PackageManagerService.java revision 2fc7c3f7e0c2f96caa9478e333e7741c82680029
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.InstantAppInfo; 132import android.content.pm.EphemeralRequest; 133import android.content.pm.EphemeralResolveInfo; 134import android.content.pm.AuxiliaryResolveInfo; 135import android.content.pm.FallbackCategoryProvider; 136import android.content.pm.FeatureInfo; 137import android.content.pm.IOnPermissionsChangeListener; 138import android.content.pm.IPackageDataObserver; 139import android.content.pm.IPackageDeleteObserver; 140import android.content.pm.IPackageDeleteObserver2; 141import android.content.pm.IPackageInstallObserver2; 142import android.content.pm.IPackageInstaller; 143import android.content.pm.IPackageManager; 144import android.content.pm.IPackageMoveObserver; 145import android.content.pm.IPackageStatsObserver; 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.StorageManagerInternal; 208import android.os.storage.StorageEventListener; 209import android.os.storage.StorageManager; 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.system.ErrnoException; 217import android.system.Os; 218import android.text.TextUtils; 219import android.text.format.DateUtils; 220import android.util.ArrayMap; 221import android.util.ArraySet; 222import android.util.Base64; 223import android.util.DisplayMetrics; 224import android.util.EventLog; 225import android.util.ExceptionUtils; 226import android.util.Log; 227import android.util.LogPrinter; 228import android.util.MathUtils; 229import android.util.PackageUtils; 230import android.util.Pair; 231import android.util.PrintStreamPrinter; 232import android.util.Slog; 233import android.util.SparseArray; 234import android.util.SparseBooleanArray; 235import android.util.SparseIntArray; 236import android.util.Xml; 237import android.util.jar.StrictJarFile; 238import android.view.Display; 239 240import com.android.internal.R; 241import com.android.internal.annotations.GuardedBy; 242import com.android.internal.app.IMediaContainerService; 243import com.android.internal.app.ResolverActivity; 244import com.android.internal.content.NativeLibraryHelper; 245import com.android.internal.content.PackageHelper; 246import com.android.internal.logging.MetricsLogger; 247import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 248import com.android.internal.os.IParcelFileDescriptorFactory; 249import com.android.internal.os.RoSystemProperties; 250import com.android.internal.os.SomeArgs; 251import com.android.internal.os.Zygote; 252import com.android.internal.telephony.CarrierAppUtils; 253import com.android.internal.util.ArrayUtils; 254import com.android.internal.util.ConcurrentUtils; 255import com.android.internal.util.FastPrintWriter; 256import com.android.internal.util.FastXmlSerializer; 257import com.android.internal.util.IndentingPrintWriter; 258import com.android.internal.util.Preconditions; 259import com.android.internal.util.XmlUtils; 260import com.android.server.AttributeCache; 261import com.android.server.BackgroundDexOptJobService; 262import com.android.server.DeviceIdleController; 263import com.android.server.EventLogTags; 264import com.android.server.FgThread; 265import com.android.server.IntentResolver; 266import com.android.server.LocalServices; 267import com.android.server.ServiceThread; 268import com.android.server.SystemConfig; 269import com.android.server.SystemServerInitThreadPool; 270import com.android.server.Watchdog; 271import com.android.server.net.NetworkPolicyManagerInternal; 272import com.android.server.pm.Installer.InstallerException; 273import com.android.server.pm.PermissionsState.PermissionState; 274import com.android.server.pm.Settings.DatabaseVersion; 275import com.android.server.pm.Settings.VersionInfo; 276import com.android.server.pm.dex.DexManager; 277import com.android.server.storage.DeviceStorageMonitorInternal; 278 279import dalvik.system.CloseGuard; 280import dalvik.system.DexFile; 281import dalvik.system.VMRuntime; 282 283import libcore.io.IoUtils; 284import libcore.util.EmptyArray; 285 286import org.xmlpull.v1.XmlPullParser; 287import org.xmlpull.v1.XmlPullParserException; 288import org.xmlpull.v1.XmlSerializer; 289 290import java.io.BufferedOutputStream; 291import java.io.BufferedReader; 292import java.io.ByteArrayInputStream; 293import java.io.ByteArrayOutputStream; 294import java.io.File; 295import java.io.FileDescriptor; 296import java.io.FileInputStream; 297import java.io.FileNotFoundException; 298import java.io.FileOutputStream; 299import java.io.FileReader; 300import java.io.FilenameFilter; 301import java.io.IOException; 302import java.io.PrintWriter; 303import java.nio.charset.StandardCharsets; 304import java.security.DigestInputStream; 305import java.security.MessageDigest; 306import java.security.NoSuchAlgorithmException; 307import java.security.PublicKey; 308import java.security.SecureRandom; 309import java.security.cert.Certificate; 310import java.security.cert.CertificateEncodingException; 311import java.security.cert.CertificateException; 312import java.text.SimpleDateFormat; 313import java.util.ArrayList; 314import java.util.Arrays; 315import java.util.Collection; 316import java.util.Collections; 317import java.util.Comparator; 318import java.util.Date; 319import java.util.HashSet; 320import java.util.HashMap; 321import java.util.Iterator; 322import java.util.List; 323import java.util.Map; 324import java.util.Objects; 325import java.util.Set; 326import java.util.concurrent.CountDownLatch; 327import java.util.concurrent.Future; 328import java.util.concurrent.TimeUnit; 329import java.util.concurrent.atomic.AtomicBoolean; 330import java.util.concurrent.atomic.AtomicInteger; 331 332/** 333 * Keep track of all those APKs everywhere. 334 * <p> 335 * Internally there are two important locks: 336 * <ul> 337 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 338 * and other related state. It is a fine-grained lock that should only be held 339 * momentarily, as it's one of the most contended locks in the system. 340 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 341 * operations typically involve heavy lifting of application data on disk. Since 342 * {@code installd} is single-threaded, and it's operations can often be slow, 343 * this lock should never be acquired while already holding {@link #mPackages}. 344 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 345 * holding {@link #mInstallLock}. 346 * </ul> 347 * Many internal methods rely on the caller to hold the appropriate locks, and 348 * this contract is expressed through method name suffixes: 349 * <ul> 350 * <li>fooLI(): the caller must hold {@link #mInstallLock} 351 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 352 * being modified must be frozen 353 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 354 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 355 * </ul> 356 * <p> 357 * Because this class is very central to the platform's security; please run all 358 * CTS and unit tests whenever making modifications: 359 * 360 * <pre> 361 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 362 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 363 * </pre> 364 */ 365public class PackageManagerService extends IPackageManager.Stub { 366 static final String TAG = "PackageManager"; 367 static final boolean DEBUG_SETTINGS = false; 368 static final boolean DEBUG_PREFERRED = false; 369 static final boolean DEBUG_UPGRADE = false; 370 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 371 private static final boolean DEBUG_BACKUP = false; 372 private static final boolean DEBUG_INSTALL = false; 373 private static final boolean DEBUG_REMOVE = false; 374 private static final boolean DEBUG_BROADCASTS = false; 375 private static final boolean DEBUG_SHOW_INFO = false; 376 private static final boolean DEBUG_PACKAGE_INFO = false; 377 private static final boolean DEBUG_INTENT_MATCHING = false; 378 private static final boolean DEBUG_PACKAGE_SCANNING = false; 379 private static final boolean DEBUG_VERIFY = false; 380 private static final boolean DEBUG_FILTERS = false; 381 382 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 383 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 384 // user, but by default initialize to this. 385 public static final boolean DEBUG_DEXOPT = false; 386 387 private static final boolean DEBUG_ABI_SELECTION = false; 388 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 389 private static final boolean DEBUG_TRIAGED_MISSING = false; 390 private static final boolean DEBUG_APP_DATA = false; 391 392 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 393 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 394 395 private static final boolean DISABLE_EPHEMERAL_APPS = false; 396 private static final boolean HIDE_EPHEMERAL_APIS = false; 397 398 private static final boolean ENABLE_FREE_CACHE_V2 = 399 SystemProperties.getBoolean("fw.free_cache_v2", false); 400 401 private static final int RADIO_UID = Process.PHONE_UID; 402 private static final int LOG_UID = Process.LOG_UID; 403 private static final int NFC_UID = Process.NFC_UID; 404 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 405 private static final int SHELL_UID = Process.SHELL_UID; 406 407 // Cap the size of permission trees that 3rd party apps can define 408 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 409 410 // Suffix used during package installation when copying/moving 411 // package apks to install directory. 412 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 413 414 static final int SCAN_NO_DEX = 1<<1; 415 static final int SCAN_FORCE_DEX = 1<<2; 416 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 417 static final int SCAN_NEW_INSTALL = 1<<4; 418 static final int SCAN_UPDATE_TIME = 1<<5; 419 static final int SCAN_BOOTING = 1<<6; 420 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 421 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 422 static final int SCAN_REPLACING = 1<<9; 423 static final int SCAN_REQUIRE_KNOWN = 1<<10; 424 static final int SCAN_MOVE = 1<<11; 425 static final int SCAN_INITIAL = 1<<12; 426 static final int SCAN_CHECK_ONLY = 1<<13; 427 static final int SCAN_DONT_KILL_APP = 1<<14; 428 static final int SCAN_IGNORE_FROZEN = 1<<15; 429 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<16; 430 static final int SCAN_AS_INSTANT_APP = 1<<17; 431 static final int SCAN_AS_FULL_APP = 1<<18; 432 /** Should not be with the scan flags */ 433 static final int FLAGS_REMOVE_CHATTY = 1<<31; 434 435 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 436 437 private static final int[] EMPTY_INT_ARRAY = new int[0]; 438 439 /** 440 * Timeout (in milliseconds) after which the watchdog should declare that 441 * our handler thread is wedged. The usual default for such things is one 442 * minute but we sometimes do very lengthy I/O operations on this thread, 443 * such as installing multi-gigabyte applications, so ours needs to be longer. 444 */ 445 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 446 447 /** 448 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 449 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 450 * settings entry if available, otherwise we use the hardcoded default. If it's been 451 * more than this long since the last fstrim, we force one during the boot sequence. 452 * 453 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 454 * one gets run at the next available charging+idle time. This final mandatory 455 * no-fstrim check kicks in only of the other scheduling criteria is never met. 456 */ 457 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 458 459 /** 460 * Whether verification is enabled by default. 461 */ 462 private static final boolean DEFAULT_VERIFY_ENABLE = true; 463 464 /** 465 * The default maximum time to wait for the verification agent to return in 466 * milliseconds. 467 */ 468 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 469 470 /** 471 * The default response for package verification timeout. 472 * 473 * This can be either PackageManager.VERIFICATION_ALLOW or 474 * PackageManager.VERIFICATION_REJECT. 475 */ 476 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 477 478 static final String PLATFORM_PACKAGE_NAME = "android"; 479 480 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 481 482 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 483 DEFAULT_CONTAINER_PACKAGE, 484 "com.android.defcontainer.DefaultContainerService"); 485 486 private static final String KILL_APP_REASON_GIDS_CHANGED = 487 "permission grant or revoke changed gids"; 488 489 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 490 "permissions revoked"; 491 492 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 493 494 private static final String PACKAGE_SCHEME = "package"; 495 496 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 497 /** 498 * If VENDOR_OVERLAY_THEME_PROPERTY is set, search for runtime resource overlay APKs also in 499 * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_THEME_PROPERTY> in addition to 500 * VENDOR_OVERLAY_DIR. 501 */ 502 private static final String VENDOR_OVERLAY_THEME_PROPERTY = "ro.boot.vendor.overlay.theme"; 503 /** 504 * Same as VENDOR_OVERLAY_THEME_PROPERTY, except persistent. If set will override whatever 505 * is in VENDOR_OVERLAY_THEME_PROPERTY. 506 */ 507 private static final String VENDOR_OVERLAY_THEME_PERSIST_PROPERTY 508 = "persist.vendor.overlay.theme"; 509 510 /** Permission grant: not grant the permission. */ 511 private static final int GRANT_DENIED = 1; 512 513 /** Permission grant: grant the permission as an install permission. */ 514 private static final int GRANT_INSTALL = 2; 515 516 /** Permission grant: grant the permission as a runtime one. */ 517 private static final int GRANT_RUNTIME = 3; 518 519 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 520 private static final int GRANT_UPGRADE = 4; 521 522 /** Canonical intent used to identify what counts as a "web browser" app */ 523 private static final Intent sBrowserIntent; 524 static { 525 sBrowserIntent = new Intent(); 526 sBrowserIntent.setAction(Intent.ACTION_VIEW); 527 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 528 sBrowserIntent.setData(Uri.parse("http:")); 529 } 530 531 /** 532 * The set of all protected actions [i.e. those actions for which a high priority 533 * intent filter is disallowed]. 534 */ 535 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 536 static { 537 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 538 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 539 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 540 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 541 } 542 543 // Compilation reasons. 544 public static final int REASON_FIRST_BOOT = 0; 545 public static final int REASON_BOOT = 1; 546 public static final int REASON_INSTALL = 2; 547 public static final int REASON_BACKGROUND_DEXOPT = 3; 548 public static final int REASON_AB_OTA = 4; 549 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 550 public static final int REASON_SHARED_APK = 6; 551 public static final int REASON_FORCED_DEXOPT = 7; 552 public static final int REASON_CORE_APP = 8; 553 554 public static final int REASON_LAST = REASON_CORE_APP; 555 556 /** All dangerous permission names in the same order as the events in MetricsEvent */ 557 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 558 Manifest.permission.READ_CALENDAR, 559 Manifest.permission.WRITE_CALENDAR, 560 Manifest.permission.CAMERA, 561 Manifest.permission.READ_CONTACTS, 562 Manifest.permission.WRITE_CONTACTS, 563 Manifest.permission.GET_ACCOUNTS, 564 Manifest.permission.ACCESS_FINE_LOCATION, 565 Manifest.permission.ACCESS_COARSE_LOCATION, 566 Manifest.permission.RECORD_AUDIO, 567 Manifest.permission.READ_PHONE_STATE, 568 Manifest.permission.CALL_PHONE, 569 Manifest.permission.READ_CALL_LOG, 570 Manifest.permission.WRITE_CALL_LOG, 571 Manifest.permission.ADD_VOICEMAIL, 572 Manifest.permission.USE_SIP, 573 Manifest.permission.PROCESS_OUTGOING_CALLS, 574 Manifest.permission.READ_CELL_BROADCASTS, 575 Manifest.permission.BODY_SENSORS, 576 Manifest.permission.SEND_SMS, 577 Manifest.permission.RECEIVE_SMS, 578 Manifest.permission.READ_SMS, 579 Manifest.permission.RECEIVE_WAP_PUSH, 580 Manifest.permission.RECEIVE_MMS, 581 Manifest.permission.READ_EXTERNAL_STORAGE, 582 Manifest.permission.WRITE_EXTERNAL_STORAGE, 583 Manifest.permission.READ_PHONE_NUMBER); 584 585 586 /** 587 * Version number for the package parser cache. Increment this whenever the format or 588 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 589 */ 590 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 591 592 /** 593 * Whether the package parser cache is enabled. 594 */ 595 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 596 597 final ServiceThread mHandlerThread; 598 599 final PackageHandler mHandler; 600 601 private final ProcessLoggingHandler mProcessLoggingHandler; 602 603 /** 604 * Messages for {@link #mHandler} that need to wait for system ready before 605 * being dispatched. 606 */ 607 private ArrayList<Message> mPostSystemReadyMessages; 608 609 final int mSdkVersion = Build.VERSION.SDK_INT; 610 611 final Context mContext; 612 final boolean mFactoryTest; 613 final boolean mOnlyCore; 614 final DisplayMetrics mMetrics; 615 final int mDefParseFlags; 616 final String[] mSeparateProcesses; 617 final boolean mIsUpgrade; 618 final boolean mIsPreNUpgrade; 619 final boolean mIsPreNMR1Upgrade; 620 621 @GuardedBy("mPackages") 622 private boolean mDexOptDialogShown; 623 624 /** The location for ASEC container files on internal storage. */ 625 final String mAsecInternalPath; 626 627 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 628 // LOCK HELD. Can be called with mInstallLock held. 629 @GuardedBy("mInstallLock") 630 final Installer mInstaller; 631 632 /** Directory where installed third-party apps stored */ 633 final File mAppInstallDir; 634 635 /** 636 * Directory to which applications installed internally have their 637 * 32 bit native libraries copied. 638 */ 639 private File mAppLib32InstallDir; 640 641 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 642 // apps. 643 final File mDrmAppPrivateInstallDir; 644 645 // ---------------------------------------------------------------- 646 647 // Lock for state used when installing and doing other long running 648 // operations. Methods that must be called with this lock held have 649 // the suffix "LI". 650 final Object mInstallLock = new Object(); 651 652 // ---------------------------------------------------------------- 653 654 // Keys are String (package name), values are Package. This also serves 655 // as the lock for the global state. Methods that must be called with 656 // this lock held have the prefix "LP". 657 @GuardedBy("mPackages") 658 final ArrayMap<String, PackageParser.Package> mPackages = 659 new ArrayMap<String, PackageParser.Package>(); 660 661 final ArrayMap<String, Set<String>> mKnownCodebase = 662 new ArrayMap<String, Set<String>>(); 663 664 // Tracks available target package names -> overlay package paths. 665 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 666 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 667 668 /** 669 * Tracks new system packages [received in an OTA] that we expect to 670 * find updated user-installed versions. Keys are package name, values 671 * are package location. 672 */ 673 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 674 /** 675 * Tracks high priority intent filters for protected actions. During boot, certain 676 * filter actions are protected and should never be allowed to have a high priority 677 * intent filter for them. However, there is one, and only one exception -- the 678 * setup wizard. It must be able to define a high priority intent filter for these 679 * actions to ensure there are no escapes from the wizard. We need to delay processing 680 * of these during boot as we need to look at all of the system packages in order 681 * to know which component is the setup wizard. 682 */ 683 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 684 /** 685 * Whether or not processing protected filters should be deferred. 686 */ 687 private boolean mDeferProtectedFilters = true; 688 689 /** 690 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 691 */ 692 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 693 /** 694 * Whether or not system app permissions should be promoted from install to runtime. 695 */ 696 boolean mPromoteSystemApps; 697 698 @GuardedBy("mPackages") 699 final Settings mSettings; 700 701 /** 702 * Set of package names that are currently "frozen", which means active 703 * surgery is being done on the code/data for that package. The platform 704 * will refuse to launch frozen packages to avoid race conditions. 705 * 706 * @see PackageFreezer 707 */ 708 @GuardedBy("mPackages") 709 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 710 711 final ProtectedPackages mProtectedPackages; 712 713 boolean mFirstBoot; 714 715 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 716 717 // System configuration read by SystemConfig. 718 final int[] mGlobalGids; 719 final SparseArray<ArraySet<String>> mSystemPermissions; 720 @GuardedBy("mAvailableFeatures") 721 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 722 723 // If mac_permissions.xml was found for seinfo labeling. 724 boolean mFoundPolicyFile; 725 726 private final InstantAppRegistry mInstantAppRegistry; 727 728 @GuardedBy("mPackages") 729 int mChangedPackagesSequenceNumber; 730 /** 731 * List of changed [installed, removed or updated] packages. 732 * mapping from user id -> sequence number -> package name 733 */ 734 @GuardedBy("mPackages") 735 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 736 /** 737 * The sequence number of the last change to a package. 738 * mapping from user id -> package name -> sequence number 739 */ 740 @GuardedBy("mPackages") 741 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 742 743 public static final class SharedLibraryEntry { 744 public final String path; 745 public final String apk; 746 public final SharedLibraryInfo info; 747 748 SharedLibraryEntry(String _path, String _apk, String name, int version, int type, 749 String declaringPackageName, int declaringPackageVersionCode) { 750 path = _path; 751 apk = _apk; 752 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 753 declaringPackageName, declaringPackageVersionCode), null); 754 } 755 } 756 757 // Currently known shared libraries. 758 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 759 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 760 new ArrayMap<>(); 761 762 // All available activities, for your resolving pleasure. 763 final ActivityIntentResolver mActivities = 764 new ActivityIntentResolver(); 765 766 // All available receivers, for your resolving pleasure. 767 final ActivityIntentResolver mReceivers = 768 new ActivityIntentResolver(); 769 770 // All available services, for your resolving pleasure. 771 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 772 773 // All available providers, for your resolving pleasure. 774 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 775 776 // Mapping from provider base names (first directory in content URI codePath) 777 // to the provider information. 778 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 779 new ArrayMap<String, PackageParser.Provider>(); 780 781 // Mapping from instrumentation class names to info about them. 782 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 783 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 784 785 // Mapping from permission names to info about them. 786 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 787 new ArrayMap<String, PackageParser.PermissionGroup>(); 788 789 // Packages whose data we have transfered into another package, thus 790 // should no longer exist. 791 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 792 793 // Broadcast actions that are only available to the system. 794 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 795 796 /** List of packages waiting for verification. */ 797 final SparseArray<PackageVerificationState> mPendingVerification 798 = new SparseArray<PackageVerificationState>(); 799 800 /** Set of packages associated with each app op permission. */ 801 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 802 803 final PackageInstallerService mInstallerService; 804 805 private final PackageDexOptimizer mPackageDexOptimizer; 806 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 807 // is used by other apps). 808 private final DexManager mDexManager; 809 810 private AtomicInteger mNextMoveId = new AtomicInteger(); 811 private final MoveCallbacks mMoveCallbacks; 812 813 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 814 815 // Cache of users who need badging. 816 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 817 818 /** Token for keys in mPendingVerification. */ 819 private int mPendingVerificationToken = 0; 820 821 volatile boolean mSystemReady; 822 volatile boolean mSafeMode; 823 volatile boolean mHasSystemUidErrors; 824 825 ApplicationInfo mAndroidApplication; 826 final ActivityInfo mResolveActivity = new ActivityInfo(); 827 final ResolveInfo mResolveInfo = new ResolveInfo(); 828 ComponentName mResolveComponentName; 829 PackageParser.Package mPlatformPackage; 830 ComponentName mCustomResolverComponentName; 831 832 boolean mResolverReplaced = false; 833 834 private final @Nullable ComponentName mIntentFilterVerifierComponent; 835 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 836 837 private int mIntentFilterVerificationToken = 0; 838 839 /** The service connection to the ephemeral resolver */ 840 final EphemeralResolverConnection mInstantAppResolverConnection; 841 842 /** Component used to install ephemeral applications */ 843 ComponentName mInstantAppInstallerComponent; 844 final ActivityInfo mInstantAppInstallerActivity = new ActivityInfo(); 845 final ResolveInfo mInstantAppInstallerInfo = new ResolveInfo(); 846 847 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 848 = new SparseArray<IntentFilterVerificationState>(); 849 850 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 851 852 // List of packages names to keep cached, even if they are uninstalled for all users 853 private List<String> mKeepUninstalledPackages; 854 855 private UserManagerInternal mUserManagerInternal; 856 857 private DeviceIdleController.LocalService mDeviceIdleController; 858 859 private File mCacheDir; 860 861 private ArraySet<String> mPrivappPermissionsViolations; 862 863 private Future<?> mPrepareAppDataFuture; 864 865 private static class IFVerificationParams { 866 PackageParser.Package pkg; 867 boolean replacing; 868 int userId; 869 int verifierUid; 870 871 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 872 int _userId, int _verifierUid) { 873 pkg = _pkg; 874 replacing = _replacing; 875 userId = _userId; 876 replacing = _replacing; 877 verifierUid = _verifierUid; 878 } 879 } 880 881 private interface IntentFilterVerifier<T extends IntentFilter> { 882 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 883 T filter, String packageName); 884 void startVerifications(int userId); 885 void receiveVerificationResponse(int verificationId); 886 } 887 888 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 889 private Context mContext; 890 private ComponentName mIntentFilterVerifierComponent; 891 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 892 893 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 894 mContext = context; 895 mIntentFilterVerifierComponent = verifierComponent; 896 } 897 898 private String getDefaultScheme() { 899 return IntentFilter.SCHEME_HTTPS; 900 } 901 902 @Override 903 public void startVerifications(int userId) { 904 // Launch verifications requests 905 int count = mCurrentIntentFilterVerifications.size(); 906 for (int n=0; n<count; n++) { 907 int verificationId = mCurrentIntentFilterVerifications.get(n); 908 final IntentFilterVerificationState ivs = 909 mIntentFilterVerificationStates.get(verificationId); 910 911 String packageName = ivs.getPackageName(); 912 913 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 914 final int filterCount = filters.size(); 915 ArraySet<String> domainsSet = new ArraySet<>(); 916 for (int m=0; m<filterCount; m++) { 917 PackageParser.ActivityIntentInfo filter = filters.get(m); 918 domainsSet.addAll(filter.getHostsList()); 919 } 920 synchronized (mPackages) { 921 if (mSettings.createIntentFilterVerificationIfNeededLPw( 922 packageName, domainsSet) != null) { 923 scheduleWriteSettingsLocked(); 924 } 925 } 926 sendVerificationRequest(userId, verificationId, ivs); 927 } 928 mCurrentIntentFilterVerifications.clear(); 929 } 930 931 private void sendVerificationRequest(int userId, int verificationId, 932 IntentFilterVerificationState ivs) { 933 934 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 935 verificationIntent.putExtra( 936 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 937 verificationId); 938 verificationIntent.putExtra( 939 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 940 getDefaultScheme()); 941 verificationIntent.putExtra( 942 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 943 ivs.getHostsString()); 944 verificationIntent.putExtra( 945 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 946 ivs.getPackageName()); 947 verificationIntent.setComponent(mIntentFilterVerifierComponent); 948 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 949 950 UserHandle user = new UserHandle(userId); 951 mContext.sendBroadcastAsUser(verificationIntent, user); 952 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 953 "Sending IntentFilter verification broadcast"); 954 } 955 956 public void receiveVerificationResponse(int verificationId) { 957 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 958 959 final boolean verified = ivs.isVerified(); 960 961 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 962 final int count = filters.size(); 963 if (DEBUG_DOMAIN_VERIFICATION) { 964 Slog.i(TAG, "Received verification response " + verificationId 965 + " for " + count + " filters, verified=" + verified); 966 } 967 for (int n=0; n<count; n++) { 968 PackageParser.ActivityIntentInfo filter = filters.get(n); 969 filter.setVerified(verified); 970 971 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 972 + " verified with result:" + verified + " and hosts:" 973 + ivs.getHostsString()); 974 } 975 976 mIntentFilterVerificationStates.remove(verificationId); 977 978 final String packageName = ivs.getPackageName(); 979 IntentFilterVerificationInfo ivi = null; 980 981 synchronized (mPackages) { 982 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 983 } 984 if (ivi == null) { 985 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 986 + verificationId + " packageName:" + packageName); 987 return; 988 } 989 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 990 "Updating IntentFilterVerificationInfo for package " + packageName 991 +" verificationId:" + verificationId); 992 993 synchronized (mPackages) { 994 if (verified) { 995 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 996 } else { 997 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 998 } 999 scheduleWriteSettingsLocked(); 1000 1001 final int userId = ivs.getUserId(); 1002 if (userId != UserHandle.USER_ALL) { 1003 final int userStatus = 1004 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 1005 1006 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1007 boolean needUpdate = false; 1008 1009 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1010 // already been set by the User thru the Disambiguation dialog 1011 switch (userStatus) { 1012 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1013 if (verified) { 1014 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1015 } else { 1016 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1017 } 1018 needUpdate = true; 1019 break; 1020 1021 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1022 if (verified) { 1023 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1024 needUpdate = true; 1025 } 1026 break; 1027 1028 default: 1029 // Nothing to do 1030 } 1031 1032 if (needUpdate) { 1033 mSettings.updateIntentFilterVerificationStatusLPw( 1034 packageName, updatedStatus, userId); 1035 scheduleWritePackageRestrictionsLocked(userId); 1036 } 1037 } 1038 } 1039 } 1040 1041 @Override 1042 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1043 ActivityIntentInfo filter, String packageName) { 1044 if (!hasValidDomains(filter)) { 1045 return false; 1046 } 1047 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1048 if (ivs == null) { 1049 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1050 packageName); 1051 } 1052 if (DEBUG_DOMAIN_VERIFICATION) { 1053 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1054 } 1055 ivs.addFilter(filter); 1056 return true; 1057 } 1058 1059 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1060 int userId, int verificationId, String packageName) { 1061 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1062 verifierUid, userId, packageName); 1063 ivs.setPendingState(); 1064 synchronized (mPackages) { 1065 mIntentFilterVerificationStates.append(verificationId, ivs); 1066 mCurrentIntentFilterVerifications.add(verificationId); 1067 } 1068 return ivs; 1069 } 1070 } 1071 1072 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1073 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1074 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1075 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1076 } 1077 1078 // Set of pending broadcasts for aggregating enable/disable of components. 1079 static class PendingPackageBroadcasts { 1080 // for each user id, a map of <package name -> components within that package> 1081 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1082 1083 public PendingPackageBroadcasts() { 1084 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1085 } 1086 1087 public ArrayList<String> get(int userId, String packageName) { 1088 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1089 return packages.get(packageName); 1090 } 1091 1092 public void put(int userId, String packageName, ArrayList<String> components) { 1093 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1094 packages.put(packageName, components); 1095 } 1096 1097 public void remove(int userId, String packageName) { 1098 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1099 if (packages != null) { 1100 packages.remove(packageName); 1101 } 1102 } 1103 1104 public void remove(int userId) { 1105 mUidMap.remove(userId); 1106 } 1107 1108 public int userIdCount() { 1109 return mUidMap.size(); 1110 } 1111 1112 public int userIdAt(int n) { 1113 return mUidMap.keyAt(n); 1114 } 1115 1116 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1117 return mUidMap.get(userId); 1118 } 1119 1120 public int size() { 1121 // total number of pending broadcast entries across all userIds 1122 int num = 0; 1123 for (int i = 0; i< mUidMap.size(); i++) { 1124 num += mUidMap.valueAt(i).size(); 1125 } 1126 return num; 1127 } 1128 1129 public void clear() { 1130 mUidMap.clear(); 1131 } 1132 1133 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1134 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1135 if (map == null) { 1136 map = new ArrayMap<String, ArrayList<String>>(); 1137 mUidMap.put(userId, map); 1138 } 1139 return map; 1140 } 1141 } 1142 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1143 1144 // Service Connection to remote media container service to copy 1145 // package uri's from external media onto secure containers 1146 // or internal storage. 1147 private IMediaContainerService mContainerService = null; 1148 1149 static final int SEND_PENDING_BROADCAST = 1; 1150 static final int MCS_BOUND = 3; 1151 static final int END_COPY = 4; 1152 static final int INIT_COPY = 5; 1153 static final int MCS_UNBIND = 6; 1154 static final int START_CLEANING_PACKAGE = 7; 1155 static final int FIND_INSTALL_LOC = 8; 1156 static final int POST_INSTALL = 9; 1157 static final int MCS_RECONNECT = 10; 1158 static final int MCS_GIVE_UP = 11; 1159 static final int UPDATED_MEDIA_STATUS = 12; 1160 static final int WRITE_SETTINGS = 13; 1161 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1162 static final int PACKAGE_VERIFIED = 15; 1163 static final int CHECK_PENDING_VERIFICATION = 16; 1164 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1165 static final int INTENT_FILTER_VERIFIED = 18; 1166 static final int WRITE_PACKAGE_LIST = 19; 1167 static final int INSTANT_APP_RESOLUTION_PHASE_TWO = 20; 1168 1169 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1170 1171 // Delay time in millisecs 1172 static final int BROADCAST_DELAY = 10 * 1000; 1173 1174 static UserManagerService sUserManager; 1175 1176 // Stores a list of users whose package restrictions file needs to be updated 1177 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1178 1179 final private DefaultContainerConnection mDefContainerConn = 1180 new DefaultContainerConnection(); 1181 class DefaultContainerConnection implements ServiceConnection { 1182 public void onServiceConnected(ComponentName name, IBinder service) { 1183 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1184 final IMediaContainerService imcs = IMediaContainerService.Stub 1185 .asInterface(Binder.allowBlocking(service)); 1186 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1187 } 1188 1189 public void onServiceDisconnected(ComponentName name) { 1190 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1191 } 1192 } 1193 1194 // Recordkeeping of restore-after-install operations that are currently in flight 1195 // between the Package Manager and the Backup Manager 1196 static class PostInstallData { 1197 public InstallArgs args; 1198 public PackageInstalledInfo res; 1199 1200 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1201 args = _a; 1202 res = _r; 1203 } 1204 } 1205 1206 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1207 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1208 1209 // XML tags for backup/restore of various bits of state 1210 private static final String TAG_PREFERRED_BACKUP = "pa"; 1211 private static final String TAG_DEFAULT_APPS = "da"; 1212 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1213 1214 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1215 private static final String TAG_ALL_GRANTS = "rt-grants"; 1216 private static final String TAG_GRANT = "grant"; 1217 private static final String ATTR_PACKAGE_NAME = "pkg"; 1218 1219 private static final String TAG_PERMISSION = "perm"; 1220 private static final String ATTR_PERMISSION_NAME = "name"; 1221 private static final String ATTR_IS_GRANTED = "g"; 1222 private static final String ATTR_USER_SET = "set"; 1223 private static final String ATTR_USER_FIXED = "fixed"; 1224 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1225 1226 // System/policy permission grants are not backed up 1227 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1228 FLAG_PERMISSION_POLICY_FIXED 1229 | FLAG_PERMISSION_SYSTEM_FIXED 1230 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1231 1232 // And we back up these user-adjusted states 1233 private static final int USER_RUNTIME_GRANT_MASK = 1234 FLAG_PERMISSION_USER_SET 1235 | FLAG_PERMISSION_USER_FIXED 1236 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1237 1238 final @Nullable String mRequiredVerifierPackage; 1239 final @NonNull String mRequiredInstallerPackage; 1240 final @NonNull String mRequiredUninstallerPackage; 1241 final @Nullable String mSetupWizardPackage; 1242 final @Nullable String mStorageManagerPackage; 1243 final @NonNull String mServicesSystemSharedLibraryPackageName; 1244 final @NonNull String mSharedSystemSharedLibraryPackageName; 1245 1246 final boolean mPermissionReviewRequired; 1247 1248 private final PackageUsage mPackageUsage = new PackageUsage(); 1249 private final CompilerStats mCompilerStats = new CompilerStats(); 1250 1251 class PackageHandler extends Handler { 1252 private boolean mBound = false; 1253 final ArrayList<HandlerParams> mPendingInstalls = 1254 new ArrayList<HandlerParams>(); 1255 1256 private boolean connectToService() { 1257 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1258 " DefaultContainerService"); 1259 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1260 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1261 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1262 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1263 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1264 mBound = true; 1265 return true; 1266 } 1267 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1268 return false; 1269 } 1270 1271 private void disconnectService() { 1272 mContainerService = null; 1273 mBound = false; 1274 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1275 mContext.unbindService(mDefContainerConn); 1276 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1277 } 1278 1279 PackageHandler(Looper looper) { 1280 super(looper); 1281 } 1282 1283 public void handleMessage(Message msg) { 1284 try { 1285 doHandleMessage(msg); 1286 } finally { 1287 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1288 } 1289 } 1290 1291 void doHandleMessage(Message msg) { 1292 switch (msg.what) { 1293 case INIT_COPY: { 1294 HandlerParams params = (HandlerParams) msg.obj; 1295 int idx = mPendingInstalls.size(); 1296 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1297 // If a bind was already initiated we dont really 1298 // need to do anything. The pending install 1299 // will be processed later on. 1300 if (!mBound) { 1301 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1302 System.identityHashCode(mHandler)); 1303 // If this is the only one pending we might 1304 // have to bind to the service again. 1305 if (!connectToService()) { 1306 Slog.e(TAG, "Failed to bind to media container service"); 1307 params.serviceError(); 1308 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1309 System.identityHashCode(mHandler)); 1310 if (params.traceMethod != null) { 1311 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1312 params.traceCookie); 1313 } 1314 return; 1315 } else { 1316 // Once we bind to the service, the first 1317 // pending request will be processed. 1318 mPendingInstalls.add(idx, params); 1319 } 1320 } else { 1321 mPendingInstalls.add(idx, params); 1322 // Already bound to the service. Just make 1323 // sure we trigger off processing the first request. 1324 if (idx == 0) { 1325 mHandler.sendEmptyMessage(MCS_BOUND); 1326 } 1327 } 1328 break; 1329 } 1330 case MCS_BOUND: { 1331 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1332 if (msg.obj != null) { 1333 mContainerService = (IMediaContainerService) msg.obj; 1334 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1335 System.identityHashCode(mHandler)); 1336 } 1337 if (mContainerService == null) { 1338 if (!mBound) { 1339 // Something seriously wrong since we are not bound and we are not 1340 // waiting for connection. Bail out. 1341 Slog.e(TAG, "Cannot bind to media container service"); 1342 for (HandlerParams params : mPendingInstalls) { 1343 // Indicate service bind error 1344 params.serviceError(); 1345 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1346 System.identityHashCode(params)); 1347 if (params.traceMethod != null) { 1348 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1349 params.traceMethod, params.traceCookie); 1350 } 1351 return; 1352 } 1353 mPendingInstalls.clear(); 1354 } else { 1355 Slog.w(TAG, "Waiting to connect to media container service"); 1356 } 1357 } else if (mPendingInstalls.size() > 0) { 1358 HandlerParams params = mPendingInstalls.get(0); 1359 if (params != null) { 1360 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1361 System.identityHashCode(params)); 1362 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1363 if (params.startCopy()) { 1364 // We are done... look for more work or to 1365 // go idle. 1366 if (DEBUG_SD_INSTALL) Log.i(TAG, 1367 "Checking for more work or unbind..."); 1368 // Delete pending install 1369 if (mPendingInstalls.size() > 0) { 1370 mPendingInstalls.remove(0); 1371 } 1372 if (mPendingInstalls.size() == 0) { 1373 if (mBound) { 1374 if (DEBUG_SD_INSTALL) Log.i(TAG, 1375 "Posting delayed MCS_UNBIND"); 1376 removeMessages(MCS_UNBIND); 1377 Message ubmsg = obtainMessage(MCS_UNBIND); 1378 // Unbind after a little delay, to avoid 1379 // continual thrashing. 1380 sendMessageDelayed(ubmsg, 10000); 1381 } 1382 } else { 1383 // There are more pending requests in queue. 1384 // Just post MCS_BOUND message to trigger processing 1385 // of next pending install. 1386 if (DEBUG_SD_INSTALL) Log.i(TAG, 1387 "Posting MCS_BOUND for next work"); 1388 mHandler.sendEmptyMessage(MCS_BOUND); 1389 } 1390 } 1391 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1392 } 1393 } else { 1394 // Should never happen ideally. 1395 Slog.w(TAG, "Empty queue"); 1396 } 1397 break; 1398 } 1399 case MCS_RECONNECT: { 1400 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1401 if (mPendingInstalls.size() > 0) { 1402 if (mBound) { 1403 disconnectService(); 1404 } 1405 if (!connectToService()) { 1406 Slog.e(TAG, "Failed to bind to media container service"); 1407 for (HandlerParams params : mPendingInstalls) { 1408 // Indicate service bind error 1409 params.serviceError(); 1410 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1411 System.identityHashCode(params)); 1412 } 1413 mPendingInstalls.clear(); 1414 } 1415 } 1416 break; 1417 } 1418 case MCS_UNBIND: { 1419 // If there is no actual work left, then time to unbind. 1420 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1421 1422 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1423 if (mBound) { 1424 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1425 1426 disconnectService(); 1427 } 1428 } else if (mPendingInstalls.size() > 0) { 1429 // There are more pending requests in queue. 1430 // Just post MCS_BOUND message to trigger processing 1431 // of next pending install. 1432 mHandler.sendEmptyMessage(MCS_BOUND); 1433 } 1434 1435 break; 1436 } 1437 case MCS_GIVE_UP: { 1438 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1439 HandlerParams params = mPendingInstalls.remove(0); 1440 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1441 System.identityHashCode(params)); 1442 break; 1443 } 1444 case SEND_PENDING_BROADCAST: { 1445 String packages[]; 1446 ArrayList<String> components[]; 1447 int size = 0; 1448 int uids[]; 1449 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1450 synchronized (mPackages) { 1451 if (mPendingBroadcasts == null) { 1452 return; 1453 } 1454 size = mPendingBroadcasts.size(); 1455 if (size <= 0) { 1456 // Nothing to be done. Just return 1457 return; 1458 } 1459 packages = new String[size]; 1460 components = new ArrayList[size]; 1461 uids = new int[size]; 1462 int i = 0; // filling out the above arrays 1463 1464 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1465 int packageUserId = mPendingBroadcasts.userIdAt(n); 1466 Iterator<Map.Entry<String, ArrayList<String>>> it 1467 = mPendingBroadcasts.packagesForUserId(packageUserId) 1468 .entrySet().iterator(); 1469 while (it.hasNext() && i < size) { 1470 Map.Entry<String, ArrayList<String>> ent = it.next(); 1471 packages[i] = ent.getKey(); 1472 components[i] = ent.getValue(); 1473 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1474 uids[i] = (ps != null) 1475 ? UserHandle.getUid(packageUserId, ps.appId) 1476 : -1; 1477 i++; 1478 } 1479 } 1480 size = i; 1481 mPendingBroadcasts.clear(); 1482 } 1483 // Send broadcasts 1484 for (int i = 0; i < size; i++) { 1485 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1486 } 1487 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1488 break; 1489 } 1490 case START_CLEANING_PACKAGE: { 1491 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1492 final String packageName = (String)msg.obj; 1493 final int userId = msg.arg1; 1494 final boolean andCode = msg.arg2 != 0; 1495 synchronized (mPackages) { 1496 if (userId == UserHandle.USER_ALL) { 1497 int[] users = sUserManager.getUserIds(); 1498 for (int user : users) { 1499 mSettings.addPackageToCleanLPw( 1500 new PackageCleanItem(user, packageName, andCode)); 1501 } 1502 } else { 1503 mSettings.addPackageToCleanLPw( 1504 new PackageCleanItem(userId, packageName, andCode)); 1505 } 1506 } 1507 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1508 startCleaningPackages(); 1509 } break; 1510 case POST_INSTALL: { 1511 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1512 1513 PostInstallData data = mRunningInstalls.get(msg.arg1); 1514 final boolean didRestore = (msg.arg2 != 0); 1515 mRunningInstalls.delete(msg.arg1); 1516 1517 if (data != null) { 1518 InstallArgs args = data.args; 1519 PackageInstalledInfo parentRes = data.res; 1520 1521 final boolean grantPermissions = (args.installFlags 1522 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1523 final boolean killApp = (args.installFlags 1524 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1525 final String[] grantedPermissions = args.installGrantPermissions; 1526 1527 // Handle the parent package 1528 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1529 grantedPermissions, didRestore, args.installerPackageName, 1530 args.observer); 1531 1532 // Handle the child packages 1533 final int childCount = (parentRes.addedChildPackages != null) 1534 ? parentRes.addedChildPackages.size() : 0; 1535 for (int i = 0; i < childCount; i++) { 1536 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1537 handlePackagePostInstall(childRes, grantPermissions, killApp, 1538 grantedPermissions, false, args.installerPackageName, 1539 args.observer); 1540 } 1541 1542 // Log tracing if needed 1543 if (args.traceMethod != null) { 1544 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1545 args.traceCookie); 1546 } 1547 } else { 1548 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1549 } 1550 1551 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1552 } break; 1553 case UPDATED_MEDIA_STATUS: { 1554 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1555 boolean reportStatus = msg.arg1 == 1; 1556 boolean doGc = msg.arg2 == 1; 1557 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1558 if (doGc) { 1559 // Force a gc to clear up stale containers. 1560 Runtime.getRuntime().gc(); 1561 } 1562 if (msg.obj != null) { 1563 @SuppressWarnings("unchecked") 1564 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1565 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1566 // Unload containers 1567 unloadAllContainers(args); 1568 } 1569 if (reportStatus) { 1570 try { 1571 if (DEBUG_SD_INSTALL) Log.i(TAG, 1572 "Invoking StorageManagerService call back"); 1573 PackageHelper.getStorageManager().finishMediaUpdate(); 1574 } catch (RemoteException e) { 1575 Log.e(TAG, "StorageManagerService not running?"); 1576 } 1577 } 1578 } break; 1579 case WRITE_SETTINGS: { 1580 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1581 synchronized (mPackages) { 1582 removeMessages(WRITE_SETTINGS); 1583 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1584 mSettings.writeLPr(); 1585 mDirtyUsers.clear(); 1586 } 1587 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1588 } break; 1589 case WRITE_PACKAGE_RESTRICTIONS: { 1590 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1591 synchronized (mPackages) { 1592 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1593 for (int userId : mDirtyUsers) { 1594 mSettings.writePackageRestrictionsLPr(userId); 1595 } 1596 mDirtyUsers.clear(); 1597 } 1598 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1599 } break; 1600 case WRITE_PACKAGE_LIST: { 1601 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1602 synchronized (mPackages) { 1603 removeMessages(WRITE_PACKAGE_LIST); 1604 mSettings.writePackageListLPr(msg.arg1); 1605 } 1606 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1607 } break; 1608 case CHECK_PENDING_VERIFICATION: { 1609 final int verificationId = msg.arg1; 1610 final PackageVerificationState state = mPendingVerification.get(verificationId); 1611 1612 if ((state != null) && !state.timeoutExtended()) { 1613 final InstallArgs args = state.getInstallArgs(); 1614 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1615 1616 Slog.i(TAG, "Verification timed out for " + originUri); 1617 mPendingVerification.remove(verificationId); 1618 1619 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1620 1621 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1622 Slog.i(TAG, "Continuing with installation of " + originUri); 1623 state.setVerifierResponse(Binder.getCallingUid(), 1624 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1625 broadcastPackageVerified(verificationId, originUri, 1626 PackageManager.VERIFICATION_ALLOW, 1627 state.getInstallArgs().getUser()); 1628 try { 1629 ret = args.copyApk(mContainerService, true); 1630 } catch (RemoteException e) { 1631 Slog.e(TAG, "Could not contact the ContainerService"); 1632 } 1633 } else { 1634 broadcastPackageVerified(verificationId, originUri, 1635 PackageManager.VERIFICATION_REJECT, 1636 state.getInstallArgs().getUser()); 1637 } 1638 1639 Trace.asyncTraceEnd( 1640 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1641 1642 processPendingInstall(args, ret); 1643 mHandler.sendEmptyMessage(MCS_UNBIND); 1644 } 1645 break; 1646 } 1647 case PACKAGE_VERIFIED: { 1648 final int verificationId = msg.arg1; 1649 1650 final PackageVerificationState state = mPendingVerification.get(verificationId); 1651 if (state == null) { 1652 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1653 break; 1654 } 1655 1656 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1657 1658 state.setVerifierResponse(response.callerUid, response.code); 1659 1660 if (state.isVerificationComplete()) { 1661 mPendingVerification.remove(verificationId); 1662 1663 final InstallArgs args = state.getInstallArgs(); 1664 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1665 1666 int ret; 1667 if (state.isInstallAllowed()) { 1668 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1669 broadcastPackageVerified(verificationId, originUri, 1670 response.code, state.getInstallArgs().getUser()); 1671 try { 1672 ret = args.copyApk(mContainerService, true); 1673 } catch (RemoteException e) { 1674 Slog.e(TAG, "Could not contact the ContainerService"); 1675 } 1676 } else { 1677 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1678 } 1679 1680 Trace.asyncTraceEnd( 1681 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1682 1683 processPendingInstall(args, ret); 1684 mHandler.sendEmptyMessage(MCS_UNBIND); 1685 } 1686 1687 break; 1688 } 1689 case START_INTENT_FILTER_VERIFICATIONS: { 1690 IFVerificationParams params = (IFVerificationParams) msg.obj; 1691 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1692 params.replacing, params.pkg); 1693 break; 1694 } 1695 case INTENT_FILTER_VERIFIED: { 1696 final int verificationId = msg.arg1; 1697 1698 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1699 verificationId); 1700 if (state == null) { 1701 Slog.w(TAG, "Invalid IntentFilter verification token " 1702 + verificationId + " received"); 1703 break; 1704 } 1705 1706 final int userId = state.getUserId(); 1707 1708 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1709 "Processing IntentFilter verification with token:" 1710 + verificationId + " and userId:" + userId); 1711 1712 final IntentFilterVerificationResponse response = 1713 (IntentFilterVerificationResponse) msg.obj; 1714 1715 state.setVerifierResponse(response.callerUid, response.code); 1716 1717 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1718 "IntentFilter verification with token:" + verificationId 1719 + " and userId:" + userId 1720 + " is settings verifier response with response code:" 1721 + response.code); 1722 1723 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1724 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1725 + response.getFailedDomainsString()); 1726 } 1727 1728 if (state.isVerificationComplete()) { 1729 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1730 } else { 1731 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1732 "IntentFilter verification with token:" + verificationId 1733 + " was not said to be complete"); 1734 } 1735 1736 break; 1737 } 1738 case INSTANT_APP_RESOLUTION_PHASE_TWO: { 1739 EphemeralResolver.doEphemeralResolutionPhaseTwo(mContext, 1740 mInstantAppResolverConnection, 1741 (EphemeralRequest) msg.obj, 1742 mInstantAppInstallerActivity, 1743 mHandler); 1744 } 1745 } 1746 } 1747 } 1748 1749 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1750 boolean killApp, String[] grantedPermissions, 1751 boolean launchedForRestore, String installerPackage, 1752 IPackageInstallObserver2 installObserver) { 1753 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1754 // Send the removed broadcasts 1755 if (res.removedInfo != null) { 1756 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1757 } 1758 1759 // Now that we successfully installed the package, grant runtime 1760 // permissions if requested before broadcasting the install. Also 1761 // for legacy apps in permission review mode we clear the permission 1762 // review flag which is used to emulate runtime permissions for 1763 // legacy apps. 1764 if (grantPermissions) { 1765 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1766 } 1767 1768 final boolean update = res.removedInfo != null 1769 && res.removedInfo.removedPackage != null; 1770 1771 // If this is the first time we have child packages for a disabled privileged 1772 // app that had no children, we grant requested runtime permissions to the new 1773 // children if the parent on the system image had them already granted. 1774 if (res.pkg.parentPackage != null) { 1775 synchronized (mPackages) { 1776 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1777 } 1778 } 1779 1780 synchronized (mPackages) { 1781 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 1782 } 1783 1784 final String packageName = res.pkg.applicationInfo.packageName; 1785 1786 // Determine the set of users who are adding this package for 1787 // the first time vs. those who are seeing an update. 1788 int[] firstUsers = EMPTY_INT_ARRAY; 1789 int[] updateUsers = EMPTY_INT_ARRAY; 1790 final boolean allNewUsers = res.origUsers == null || res.origUsers.length == 0; 1791 final PackageSetting ps = (PackageSetting) res.pkg.mExtras; 1792 for (int newUser : res.newUsers) { 1793 if (ps.getInstantApp(newUser)) { 1794 continue; 1795 } 1796 if (allNewUsers) { 1797 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1798 continue; 1799 } 1800 boolean isNew = true; 1801 for (int origUser : res.origUsers) { 1802 if (origUser == newUser) { 1803 isNew = false; 1804 break; 1805 } 1806 } 1807 if (isNew) { 1808 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1809 } else { 1810 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1811 } 1812 } 1813 1814 // Send installed broadcasts if the package is not a static shared lib. 1815 if (res.pkg.staticSharedLibName == null) { 1816 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1817 1818 // Send added for users that see the package for the first time 1819 // sendPackageAddedForNewUsers also deals with system apps 1820 int appId = UserHandle.getAppId(res.uid); 1821 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1822 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1823 1824 // Send added for users that don't see the package for the first time 1825 Bundle extras = new Bundle(1); 1826 extras.putInt(Intent.EXTRA_UID, res.uid); 1827 if (update) { 1828 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1829 } 1830 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1831 extras, 0 /*flags*/, null /*targetPackage*/, 1832 null /*finishedReceiver*/, updateUsers); 1833 1834 // Send replaced for users that don't see the package for the first time 1835 if (update) { 1836 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1837 packageName, extras, 0 /*flags*/, 1838 null /*targetPackage*/, null /*finishedReceiver*/, 1839 updateUsers); 1840 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1841 null /*package*/, null /*extras*/, 0 /*flags*/, 1842 packageName /*targetPackage*/, 1843 null /*finishedReceiver*/, updateUsers); 1844 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1845 // First-install and we did a restore, so we're responsible for the 1846 // first-launch broadcast. 1847 if (DEBUG_BACKUP) { 1848 Slog.i(TAG, "Post-restore of " + packageName 1849 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1850 } 1851 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1852 } 1853 1854 // Send broadcast package appeared if forward locked/external for all users 1855 // treat asec-hosted packages like removable media on upgrade 1856 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1857 if (DEBUG_INSTALL) { 1858 Slog.i(TAG, "upgrading pkg " + res.pkg 1859 + " is ASEC-hosted -> AVAILABLE"); 1860 } 1861 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1862 ArrayList<String> pkgList = new ArrayList<>(1); 1863 pkgList.add(packageName); 1864 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1865 } 1866 } 1867 1868 // Work that needs to happen on first install within each user 1869 if (firstUsers != null && firstUsers.length > 0) { 1870 synchronized (mPackages) { 1871 for (int userId : firstUsers) { 1872 // If this app is a browser and it's newly-installed for some 1873 // users, clear any default-browser state in those users. The 1874 // app's nature doesn't depend on the user, so we can just check 1875 // its browser nature in any user and generalize. 1876 if (packageIsBrowser(packageName, userId)) { 1877 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1878 } 1879 1880 // We may also need to apply pending (restored) runtime 1881 // permission grants within these users. 1882 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1883 } 1884 } 1885 } 1886 1887 // Log current value of "unknown sources" setting 1888 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1889 getUnknownSourcesSettings()); 1890 1891 // Force a gc to clear up things 1892 Runtime.getRuntime().gc(); 1893 1894 // Remove the replaced package's older resources safely now 1895 // We delete after a gc for applications on sdcard. 1896 if (res.removedInfo != null && res.removedInfo.args != null) { 1897 synchronized (mInstallLock) { 1898 res.removedInfo.args.doPostDeleteLI(true); 1899 } 1900 } 1901 1902 // Notify DexManager that the package was installed for new users. 1903 // The updated users should already be indexed and the package code paths 1904 // should not change. 1905 // Don't notify the manager for ephemeral apps as they are not expected to 1906 // survive long enough to benefit of background optimizations. 1907 for (int userId : firstUsers) { 1908 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 1909 mDexManager.notifyPackageInstalled(info, userId); 1910 } 1911 } 1912 1913 // If someone is watching installs - notify them 1914 if (installObserver != null) { 1915 try { 1916 Bundle extras = extrasForInstallResult(res); 1917 installObserver.onPackageInstalled(res.name, res.returnCode, 1918 res.returnMsg, extras); 1919 } catch (RemoteException e) { 1920 Slog.i(TAG, "Observer no longer exists."); 1921 } 1922 } 1923 } 1924 1925 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1926 PackageParser.Package pkg) { 1927 if (pkg.parentPackage == null) { 1928 return; 1929 } 1930 if (pkg.requestedPermissions == null) { 1931 return; 1932 } 1933 final PackageSetting disabledSysParentPs = mSettings 1934 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1935 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1936 || !disabledSysParentPs.isPrivileged() 1937 || (disabledSysParentPs.childPackageNames != null 1938 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1939 return; 1940 } 1941 final int[] allUserIds = sUserManager.getUserIds(); 1942 final int permCount = pkg.requestedPermissions.size(); 1943 for (int i = 0; i < permCount; i++) { 1944 String permission = pkg.requestedPermissions.get(i); 1945 BasePermission bp = mSettings.mPermissions.get(permission); 1946 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1947 continue; 1948 } 1949 for (int userId : allUserIds) { 1950 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1951 permission, userId)) { 1952 grantRuntimePermission(pkg.packageName, permission, userId); 1953 } 1954 } 1955 } 1956 } 1957 1958 private StorageEventListener mStorageListener = new StorageEventListener() { 1959 @Override 1960 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1961 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1962 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1963 final String volumeUuid = vol.getFsUuid(); 1964 1965 // Clean up any users or apps that were removed or recreated 1966 // while this volume was missing 1967 sUserManager.reconcileUsers(volumeUuid); 1968 reconcileApps(volumeUuid); 1969 1970 // Clean up any install sessions that expired or were 1971 // cancelled while this volume was missing 1972 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1973 1974 loadPrivatePackages(vol); 1975 1976 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1977 unloadPrivatePackages(vol); 1978 } 1979 } 1980 1981 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1982 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1983 updateExternalMediaStatus(true, false); 1984 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1985 updateExternalMediaStatus(false, false); 1986 } 1987 } 1988 } 1989 1990 @Override 1991 public void onVolumeForgotten(String fsUuid) { 1992 if (TextUtils.isEmpty(fsUuid)) { 1993 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1994 return; 1995 } 1996 1997 // Remove any apps installed on the forgotten volume 1998 synchronized (mPackages) { 1999 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2000 for (PackageSetting ps : packages) { 2001 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2002 deletePackageVersioned(new VersionedPackage(ps.name, 2003 PackageManager.VERSION_CODE_HIGHEST), 2004 new LegacyPackageDeleteObserver(null).getBinder(), 2005 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2006 // Try very hard to release any references to this package 2007 // so we don't risk the system server being killed due to 2008 // open FDs 2009 AttributeCache.instance().removePackage(ps.name); 2010 } 2011 2012 mSettings.onVolumeForgotten(fsUuid); 2013 mSettings.writeLPr(); 2014 } 2015 } 2016 }; 2017 2018 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2019 String[] grantedPermissions) { 2020 for (int userId : userIds) { 2021 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2022 } 2023 } 2024 2025 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2026 String[] grantedPermissions) { 2027 SettingBase sb = (SettingBase) pkg.mExtras; 2028 if (sb == null) { 2029 return; 2030 } 2031 2032 PermissionsState permissionsState = sb.getPermissionsState(); 2033 2034 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2035 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2036 2037 final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 2038 >= Build.VERSION_CODES.M; 2039 2040 for (String permission : pkg.requestedPermissions) { 2041 final BasePermission bp; 2042 synchronized (mPackages) { 2043 bp = mSettings.mPermissions.get(permission); 2044 } 2045 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2046 && (grantedPermissions == null 2047 || ArrayUtils.contains(grantedPermissions, permission))) { 2048 final int flags = permissionsState.getPermissionFlags(permission, userId); 2049 if (supportsRuntimePermissions) { 2050 // Installer cannot change immutable permissions. 2051 if ((flags & immutableFlags) == 0) { 2052 grantRuntimePermission(pkg.packageName, permission, userId); 2053 } 2054 } else if (mPermissionReviewRequired) { 2055 // In permission review mode we clear the review flag when we 2056 // are asked to install the app with all permissions granted. 2057 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 2058 updatePermissionFlags(permission, pkg.packageName, 2059 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, userId); 2060 } 2061 } 2062 } 2063 } 2064 } 2065 2066 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2067 Bundle extras = null; 2068 switch (res.returnCode) { 2069 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2070 extras = new Bundle(); 2071 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2072 res.origPermission); 2073 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2074 res.origPackage); 2075 break; 2076 } 2077 case PackageManager.INSTALL_SUCCEEDED: { 2078 extras = new Bundle(); 2079 extras.putBoolean(Intent.EXTRA_REPLACING, 2080 res.removedInfo != null && res.removedInfo.removedPackage != null); 2081 break; 2082 } 2083 } 2084 return extras; 2085 } 2086 2087 void scheduleWriteSettingsLocked() { 2088 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2089 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2090 } 2091 } 2092 2093 void scheduleWritePackageListLocked(int userId) { 2094 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2095 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2096 msg.arg1 = userId; 2097 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2098 } 2099 } 2100 2101 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2102 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2103 scheduleWritePackageRestrictionsLocked(userId); 2104 } 2105 2106 void scheduleWritePackageRestrictionsLocked(int userId) { 2107 final int[] userIds = (userId == UserHandle.USER_ALL) 2108 ? sUserManager.getUserIds() : new int[]{userId}; 2109 for (int nextUserId : userIds) { 2110 if (!sUserManager.exists(nextUserId)) return; 2111 mDirtyUsers.add(nextUserId); 2112 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2113 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2114 } 2115 } 2116 } 2117 2118 public static PackageManagerService main(Context context, Installer installer, 2119 boolean factoryTest, boolean onlyCore) { 2120 // Self-check for initial settings. 2121 PackageManagerServiceCompilerMapping.checkProperties(); 2122 2123 PackageManagerService m = new PackageManagerService(context, installer, 2124 factoryTest, onlyCore); 2125 m.enableSystemUserPackages(); 2126 ServiceManager.addService("package", m); 2127 return m; 2128 } 2129 2130 private void enableSystemUserPackages() { 2131 if (!UserManager.isSplitSystemUser()) { 2132 return; 2133 } 2134 // For system user, enable apps based on the following conditions: 2135 // - app is whitelisted or belong to one of these groups: 2136 // -- system app which has no launcher icons 2137 // -- system app which has INTERACT_ACROSS_USERS permission 2138 // -- system IME app 2139 // - app is not in the blacklist 2140 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2141 Set<String> enableApps = new ArraySet<>(); 2142 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2143 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2144 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2145 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2146 enableApps.addAll(wlApps); 2147 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2148 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2149 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2150 enableApps.removeAll(blApps); 2151 Log.i(TAG, "Applications installed for system user: " + enableApps); 2152 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2153 UserHandle.SYSTEM); 2154 final int allAppsSize = allAps.size(); 2155 synchronized (mPackages) { 2156 for (int i = 0; i < allAppsSize; i++) { 2157 String pName = allAps.get(i); 2158 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2159 // Should not happen, but we shouldn't be failing if it does 2160 if (pkgSetting == null) { 2161 continue; 2162 } 2163 boolean install = enableApps.contains(pName); 2164 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2165 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2166 + " for system user"); 2167 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2168 } 2169 } 2170 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2171 } 2172 } 2173 2174 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2175 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2176 Context.DISPLAY_SERVICE); 2177 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2178 } 2179 2180 /** 2181 * Requests that files preopted on a secondary system partition be copied to the data partition 2182 * if possible. Note that the actual copying of the files is accomplished by init for security 2183 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2184 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2185 */ 2186 private static void requestCopyPreoptedFiles() { 2187 final int WAIT_TIME_MS = 100; 2188 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2189 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2190 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2191 // We will wait for up to 100 seconds. 2192 final long timeStart = SystemClock.uptimeMillis(); 2193 final long timeEnd = timeStart + 100 * 1000; 2194 long timeNow = timeStart; 2195 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2196 try { 2197 Thread.sleep(WAIT_TIME_MS); 2198 } catch (InterruptedException e) { 2199 // Do nothing 2200 } 2201 timeNow = SystemClock.uptimeMillis(); 2202 if (timeNow > timeEnd) { 2203 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2204 Slog.wtf(TAG, "cppreopt did not finish!"); 2205 break; 2206 } 2207 } 2208 2209 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2210 } 2211 } 2212 2213 public PackageManagerService(Context context, Installer installer, 2214 boolean factoryTest, boolean onlyCore) { 2215 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2216 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2217 SystemClock.uptimeMillis()); 2218 2219 if (mSdkVersion <= 0) { 2220 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2221 } 2222 2223 mContext = context; 2224 2225 mPermissionReviewRequired = context.getResources().getBoolean( 2226 R.bool.config_permissionReviewRequired); 2227 2228 mFactoryTest = factoryTest; 2229 mOnlyCore = onlyCore; 2230 mMetrics = new DisplayMetrics(); 2231 mSettings = new Settings(mPackages); 2232 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2233 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2234 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2235 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2236 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2237 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2238 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2239 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2240 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2241 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2242 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2243 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2244 2245 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2246 if (separateProcesses != null && separateProcesses.length() > 0) { 2247 if ("*".equals(separateProcesses)) { 2248 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2249 mSeparateProcesses = null; 2250 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2251 } else { 2252 mDefParseFlags = 0; 2253 mSeparateProcesses = separateProcesses.split(","); 2254 Slog.w(TAG, "Running with debug.separate_processes: " 2255 + separateProcesses); 2256 } 2257 } else { 2258 mDefParseFlags = 0; 2259 mSeparateProcesses = null; 2260 } 2261 2262 mInstaller = installer; 2263 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2264 "*dexopt*"); 2265 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock); 2266 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2267 2268 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2269 FgThread.get().getLooper()); 2270 2271 getDefaultDisplayMetrics(context, mMetrics); 2272 2273 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2274 SystemConfig systemConfig = SystemConfig.getInstance(); 2275 mGlobalGids = systemConfig.getGlobalGids(); 2276 mSystemPermissions = systemConfig.getSystemPermissions(); 2277 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2278 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2279 2280 mProtectedPackages = new ProtectedPackages(mContext); 2281 2282 synchronized (mInstallLock) { 2283 // writer 2284 synchronized (mPackages) { 2285 mHandlerThread = new ServiceThread(TAG, 2286 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2287 mHandlerThread.start(); 2288 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2289 mProcessLoggingHandler = new ProcessLoggingHandler(); 2290 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2291 2292 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2293 mInstantAppRegistry = new InstantAppRegistry(this); 2294 2295 File dataDir = Environment.getDataDirectory(); 2296 mAppInstallDir = new File(dataDir, "app"); 2297 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2298 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2299 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2300 sUserManager = new UserManagerService(context, this, 2301 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2302 2303 // Propagate permission configuration in to package manager. 2304 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2305 = systemConfig.getPermissions(); 2306 for (int i=0; i<permConfig.size(); i++) { 2307 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2308 BasePermission bp = mSettings.mPermissions.get(perm.name); 2309 if (bp == null) { 2310 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2311 mSettings.mPermissions.put(perm.name, bp); 2312 } 2313 if (perm.gids != null) { 2314 bp.setGids(perm.gids, perm.perUser); 2315 } 2316 } 2317 2318 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2319 final int builtInLibCount = libConfig.size(); 2320 for (int i = 0; i < builtInLibCount; i++) { 2321 String name = libConfig.keyAt(i); 2322 String path = libConfig.valueAt(i); 2323 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2324 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2325 } 2326 2327 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2328 2329 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2330 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2331 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2332 2333 // Clean up orphaned packages for which the code path doesn't exist 2334 // and they are an update to a system app - caused by bug/32321269 2335 final int packageSettingCount = mSettings.mPackages.size(); 2336 for (int i = packageSettingCount - 1; i >= 0; i--) { 2337 PackageSetting ps = mSettings.mPackages.valueAt(i); 2338 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2339 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2340 mSettings.mPackages.removeAt(i); 2341 mSettings.enableSystemPackageLPw(ps.name); 2342 } 2343 } 2344 2345 if (mFirstBoot) { 2346 requestCopyPreoptedFiles(); 2347 } 2348 2349 String customResolverActivity = Resources.getSystem().getString( 2350 R.string.config_customResolverActivity); 2351 if (TextUtils.isEmpty(customResolverActivity)) { 2352 customResolverActivity = null; 2353 } else { 2354 mCustomResolverComponentName = ComponentName.unflattenFromString( 2355 customResolverActivity); 2356 } 2357 2358 long startTime = SystemClock.uptimeMillis(); 2359 2360 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2361 startTime); 2362 2363 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2364 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2365 2366 if (bootClassPath == null) { 2367 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2368 } 2369 2370 if (systemServerClassPath == null) { 2371 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2372 } 2373 2374 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2375 final String[] dexCodeInstructionSets = 2376 getDexCodeInstructionSets( 2377 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2378 2379 /** 2380 * Ensure all external libraries have had dexopt run on them. 2381 */ 2382 if (mSharedLibraries.size() > 0) { 2383 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2384 // NOTE: For now, we're compiling these system "shared libraries" 2385 // (and framework jars) into all available architectures. It's possible 2386 // to compile them only when we come across an app that uses them (there's 2387 // already logic for that in scanPackageLI) but that adds some complexity. 2388 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2389 final int libCount = mSharedLibraries.size(); 2390 for (int i = 0; i < libCount; i++) { 2391 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 2392 final int versionCount = versionedLib.size(); 2393 for (int j = 0; j < versionCount; j++) { 2394 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 2395 final String libPath = libEntry.path != null 2396 ? libEntry.path : libEntry.apk; 2397 if (libPath == null) { 2398 continue; 2399 } 2400 try { 2401 // Shared libraries do not have profiles so we perform a full 2402 // AOT compilation (if needed). 2403 int dexoptNeeded = DexFile.getDexOptNeeded( 2404 libPath, dexCodeInstructionSet, 2405 getCompilerFilterForReason(REASON_SHARED_APK), 2406 false /* newProfile */); 2407 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2408 mInstaller.dexopt(libPath, Process.SYSTEM_UID, "*", 2409 dexCodeInstructionSet, dexoptNeeded, null, 2410 DEXOPT_PUBLIC, 2411 getCompilerFilterForReason(REASON_SHARED_APK), 2412 StorageManager.UUID_PRIVATE_INTERNAL, 2413 PackageDexOptimizer.SKIP_SHARED_LIBRARY_CHECK); 2414 } 2415 } catch (FileNotFoundException e) { 2416 Slog.w(TAG, "Library not found: " + libPath); 2417 } catch (IOException | InstallerException e) { 2418 Slog.w(TAG, "Cannot dexopt " + libPath + "; is it an APK or JAR? " 2419 + e.getMessage()); 2420 } 2421 } 2422 } 2423 } 2424 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2425 } 2426 2427 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2428 2429 final VersionInfo ver = mSettings.getInternalVersion(); 2430 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2431 2432 // when upgrading from pre-M, promote system app permissions from install to runtime 2433 mPromoteSystemApps = 2434 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2435 2436 // When upgrading from pre-N, we need to handle package extraction like first boot, 2437 // as there is no profiling data available. 2438 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2439 2440 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2441 2442 // save off the names of pre-existing system packages prior to scanning; we don't 2443 // want to automatically grant runtime permissions for new system apps 2444 if (mPromoteSystemApps) { 2445 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2446 while (pkgSettingIter.hasNext()) { 2447 PackageSetting ps = pkgSettingIter.next(); 2448 if (isSystemApp(ps)) { 2449 mExistingSystemPackages.add(ps.name); 2450 } 2451 } 2452 } 2453 2454 mCacheDir = preparePackageParserCache(mIsUpgrade); 2455 2456 // Set flag to monitor and not change apk file paths when 2457 // scanning install directories. 2458 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2459 2460 if (mIsUpgrade || mFirstBoot) { 2461 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2462 } 2463 2464 // Collect vendor overlay packages. (Do this before scanning any apps.) 2465 // For security and version matching reason, only consider 2466 // overlay packages if they reside in the right directory. 2467 String overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PERSIST_PROPERTY); 2468 if (overlayThemeDir.isEmpty()) { 2469 overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PROPERTY); 2470 } 2471 if (!overlayThemeDir.isEmpty()) { 2472 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlayThemeDir), mDefParseFlags 2473 | PackageParser.PARSE_IS_SYSTEM 2474 | PackageParser.PARSE_IS_SYSTEM_DIR 2475 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2476 } 2477 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2478 | PackageParser.PARSE_IS_SYSTEM 2479 | PackageParser.PARSE_IS_SYSTEM_DIR 2480 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2481 2482 // Find base frameworks (resource packages without code). 2483 scanDirTracedLI(frameworkDir, mDefParseFlags 2484 | PackageParser.PARSE_IS_SYSTEM 2485 | PackageParser.PARSE_IS_SYSTEM_DIR 2486 | PackageParser.PARSE_IS_PRIVILEGED, 2487 scanFlags | SCAN_NO_DEX, 0); 2488 2489 // Collected privileged system packages. 2490 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2491 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2492 | PackageParser.PARSE_IS_SYSTEM 2493 | PackageParser.PARSE_IS_SYSTEM_DIR 2494 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2495 2496 // Collect ordinary system packages. 2497 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2498 scanDirTracedLI(systemAppDir, mDefParseFlags 2499 | PackageParser.PARSE_IS_SYSTEM 2500 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2501 2502 // Collect all vendor packages. 2503 File vendorAppDir = new File("/vendor/app"); 2504 try { 2505 vendorAppDir = vendorAppDir.getCanonicalFile(); 2506 } catch (IOException e) { 2507 // failed to look up canonical path, continue with original one 2508 } 2509 scanDirTracedLI(vendorAppDir, mDefParseFlags 2510 | PackageParser.PARSE_IS_SYSTEM 2511 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2512 2513 // Collect all OEM packages. 2514 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2515 scanDirTracedLI(oemAppDir, mDefParseFlags 2516 | PackageParser.PARSE_IS_SYSTEM 2517 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2518 2519 // Prune any system packages that no longer exist. 2520 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2521 if (!mOnlyCore) { 2522 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2523 while (psit.hasNext()) { 2524 PackageSetting ps = psit.next(); 2525 2526 /* 2527 * If this is not a system app, it can't be a 2528 * disable system app. 2529 */ 2530 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2531 continue; 2532 } 2533 2534 /* 2535 * If the package is scanned, it's not erased. 2536 */ 2537 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2538 if (scannedPkg != null) { 2539 /* 2540 * If the system app is both scanned and in the 2541 * disabled packages list, then it must have been 2542 * added via OTA. Remove it from the currently 2543 * scanned package so the previously user-installed 2544 * application can be scanned. 2545 */ 2546 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2547 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2548 + ps.name + "; removing system app. Last known codePath=" 2549 + ps.codePathString + ", installStatus=" + ps.installStatus 2550 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2551 + scannedPkg.mVersionCode); 2552 removePackageLI(scannedPkg, true); 2553 mExpectingBetter.put(ps.name, ps.codePath); 2554 } 2555 2556 continue; 2557 } 2558 2559 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2560 psit.remove(); 2561 logCriticalInfo(Log.WARN, "System package " + ps.name 2562 + " no longer exists; it's data will be wiped"); 2563 // Actual deletion of code and data will be handled by later 2564 // reconciliation step 2565 } else { 2566 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2567 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2568 possiblyDeletedUpdatedSystemApps.add(ps.name); 2569 } 2570 } 2571 } 2572 } 2573 2574 //look for any incomplete package installations 2575 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2576 for (int i = 0; i < deletePkgsList.size(); i++) { 2577 // Actual deletion of code and data will be handled by later 2578 // reconciliation step 2579 final String packageName = deletePkgsList.get(i).name; 2580 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2581 synchronized (mPackages) { 2582 mSettings.removePackageLPw(packageName); 2583 } 2584 } 2585 2586 //delete tmp files 2587 deleteTempPackageFiles(); 2588 2589 // Remove any shared userIDs that have no associated packages 2590 mSettings.pruneSharedUsersLPw(); 2591 2592 if (!mOnlyCore) { 2593 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2594 SystemClock.uptimeMillis()); 2595 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2596 2597 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2598 | PackageParser.PARSE_FORWARD_LOCK, 2599 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2600 2601 /** 2602 * Remove disable package settings for any updated system 2603 * apps that were removed via an OTA. If they're not a 2604 * previously-updated app, remove them completely. 2605 * Otherwise, just revoke their system-level permissions. 2606 */ 2607 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2608 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2609 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2610 2611 String msg; 2612 if (deletedPkg == null) { 2613 msg = "Updated system package " + deletedAppName 2614 + " no longer exists; it's data will be wiped"; 2615 // Actual deletion of code and data will be handled by later 2616 // reconciliation step 2617 } else { 2618 msg = "Updated system app + " + deletedAppName 2619 + " no longer present; removing system privileges for " 2620 + deletedAppName; 2621 2622 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2623 2624 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2625 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2626 } 2627 logCriticalInfo(Log.WARN, msg); 2628 } 2629 2630 /** 2631 * Make sure all system apps that we expected to appear on 2632 * the userdata partition actually showed up. If they never 2633 * appeared, crawl back and revive the system version. 2634 */ 2635 for (int i = 0; i < mExpectingBetter.size(); i++) { 2636 final String packageName = mExpectingBetter.keyAt(i); 2637 if (!mPackages.containsKey(packageName)) { 2638 final File scanFile = mExpectingBetter.valueAt(i); 2639 2640 logCriticalInfo(Log.WARN, "Expected better " + packageName 2641 + " but never showed up; reverting to system"); 2642 2643 int reparseFlags = mDefParseFlags; 2644 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2645 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2646 | PackageParser.PARSE_IS_SYSTEM_DIR 2647 | PackageParser.PARSE_IS_PRIVILEGED; 2648 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2649 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2650 | PackageParser.PARSE_IS_SYSTEM_DIR; 2651 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2652 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2653 | PackageParser.PARSE_IS_SYSTEM_DIR; 2654 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2655 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2656 | PackageParser.PARSE_IS_SYSTEM_DIR; 2657 } else { 2658 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2659 continue; 2660 } 2661 2662 mSettings.enableSystemPackageLPw(packageName); 2663 2664 try { 2665 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2666 } catch (PackageManagerException e) { 2667 Slog.e(TAG, "Failed to parse original system package: " 2668 + e.getMessage()); 2669 } 2670 } 2671 } 2672 } 2673 mExpectingBetter.clear(); 2674 2675 // Resolve the storage manager. 2676 mStorageManagerPackage = getStorageManagerPackageName(); 2677 2678 // Resolve protected action filters. Only the setup wizard is allowed to 2679 // have a high priority filter for these actions. 2680 mSetupWizardPackage = getSetupWizardPackageName(); 2681 if (mProtectedFilters.size() > 0) { 2682 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2683 Slog.i(TAG, "No setup wizard;" 2684 + " All protected intents capped to priority 0"); 2685 } 2686 for (ActivityIntentInfo filter : mProtectedFilters) { 2687 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2688 if (DEBUG_FILTERS) { 2689 Slog.i(TAG, "Found setup wizard;" 2690 + " allow priority " + filter.getPriority() + ";" 2691 + " package: " + filter.activity.info.packageName 2692 + " activity: " + filter.activity.className 2693 + " priority: " + filter.getPriority()); 2694 } 2695 // skip setup wizard; allow it to keep the high priority filter 2696 continue; 2697 } 2698 Slog.w(TAG, "Protected action; cap priority to 0;" 2699 + " package: " + filter.activity.info.packageName 2700 + " activity: " + filter.activity.className 2701 + " origPrio: " + filter.getPriority()); 2702 filter.setPriority(0); 2703 } 2704 } 2705 mDeferProtectedFilters = false; 2706 mProtectedFilters.clear(); 2707 2708 // Now that we know all of the shared libraries, update all clients to have 2709 // the correct library paths. 2710 updateAllSharedLibrariesLPw(null); 2711 2712 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2713 // NOTE: We ignore potential failures here during a system scan (like 2714 // the rest of the commands above) because there's precious little we 2715 // can do about it. A settings error is reported, though. 2716 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2717 } 2718 2719 // Now that we know all the packages we are keeping, 2720 // read and update their last usage times. 2721 mPackageUsage.read(mPackages); 2722 mCompilerStats.read(); 2723 2724 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2725 SystemClock.uptimeMillis()); 2726 Slog.i(TAG, "Time to scan packages: " 2727 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2728 + " seconds"); 2729 2730 // If the platform SDK has changed since the last time we booted, 2731 // we need to re-grant app permission to catch any new ones that 2732 // appear. This is really a hack, and means that apps can in some 2733 // cases get permissions that the user didn't initially explicitly 2734 // allow... it would be nice to have some better way to handle 2735 // this situation. 2736 int updateFlags = UPDATE_PERMISSIONS_ALL; 2737 if (ver.sdkVersion != mSdkVersion) { 2738 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2739 + mSdkVersion + "; regranting permissions for internal storage"); 2740 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2741 } 2742 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2743 ver.sdkVersion = mSdkVersion; 2744 2745 // If this is the first boot or an update from pre-M, and it is a normal 2746 // boot, then we need to initialize the default preferred apps across 2747 // all defined users. 2748 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2749 for (UserInfo user : sUserManager.getUsers(true)) { 2750 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2751 applyFactoryDefaultBrowserLPw(user.id); 2752 primeDomainVerificationsLPw(user.id); 2753 } 2754 } 2755 2756 // Prepare storage for system user really early during boot, 2757 // since core system apps like SettingsProvider and SystemUI 2758 // can't wait for user to start 2759 final int storageFlags; 2760 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2761 storageFlags = StorageManager.FLAG_STORAGE_DE; 2762 } else { 2763 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2764 } 2765 List<String> deferPackages = reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, 2766 UserHandle.USER_SYSTEM, storageFlags, true /* migrateAppData */, 2767 true /* onlyCoreApps */); 2768 mPrepareAppDataFuture = SystemServerInitThreadPool.get().submit(() -> { 2769 if (deferPackages == null || deferPackages.isEmpty()) { 2770 return; 2771 } 2772 int count = 0; 2773 for (String pkgName : deferPackages) { 2774 PackageParser.Package pkg = null; 2775 synchronized (mPackages) { 2776 PackageSetting ps = mSettings.getPackageLPr(pkgName); 2777 if (ps != null && ps.getInstalled(UserHandle.USER_SYSTEM)) { 2778 pkg = ps.pkg; 2779 } 2780 } 2781 if (pkg != null) { 2782 synchronized (mInstallLock) { 2783 prepareAppDataAndMigrateLIF(pkg, UserHandle.USER_SYSTEM, storageFlags, 2784 true /* maybeMigrateAppData */); 2785 } 2786 count++; 2787 } 2788 } 2789 Slog.i(TAG, "Deferred reconcileAppsData finished " + count + " packages"); 2790 }, "prepareAppData"); 2791 2792 // If this is first boot after an OTA, and a normal boot, then 2793 // we need to clear code cache directories. 2794 // Note that we do *not* clear the application profiles. These remain valid 2795 // across OTAs and are used to drive profile verification (post OTA) and 2796 // profile compilation (without waiting to collect a fresh set of profiles). 2797 if (mIsUpgrade && !onlyCore) { 2798 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2799 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2800 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2801 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2802 // No apps are running this early, so no need to freeze 2803 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2804 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2805 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2806 } 2807 } 2808 ver.fingerprint = Build.FINGERPRINT; 2809 } 2810 2811 checkDefaultBrowser(); 2812 2813 // clear only after permissions and other defaults have been updated 2814 mExistingSystemPackages.clear(); 2815 mPromoteSystemApps = false; 2816 2817 // All the changes are done during package scanning. 2818 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2819 2820 // can downgrade to reader 2821 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2822 mSettings.writeLPr(); 2823 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2824 2825 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2826 // early on (before the package manager declares itself as early) because other 2827 // components in the system server might ask for package contexts for these apps. 2828 // 2829 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2830 // (i.e, that the data partition is unavailable). 2831 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2832 long start = System.nanoTime(); 2833 List<PackageParser.Package> coreApps = new ArrayList<>(); 2834 for (PackageParser.Package pkg : mPackages.values()) { 2835 if (pkg.coreApp) { 2836 coreApps.add(pkg); 2837 } 2838 } 2839 2840 int[] stats = performDexOptUpgrade(coreApps, false, 2841 getCompilerFilterForReason(REASON_CORE_APP)); 2842 2843 final int elapsedTimeSeconds = 2844 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2845 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2846 2847 if (DEBUG_DEXOPT) { 2848 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2849 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2850 } 2851 2852 2853 // TODO: Should we log these stats to tron too ? 2854 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2855 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2856 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2857 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2858 } 2859 2860 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2861 SystemClock.uptimeMillis()); 2862 2863 if (!mOnlyCore) { 2864 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2865 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2866 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2867 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2868 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2869 mIntentFilterVerifierComponent); 2870 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2871 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 2872 SharedLibraryInfo.VERSION_UNDEFINED); 2873 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2874 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 2875 SharedLibraryInfo.VERSION_UNDEFINED); 2876 } else { 2877 mRequiredVerifierPackage = null; 2878 mRequiredInstallerPackage = null; 2879 mRequiredUninstallerPackage = null; 2880 mIntentFilterVerifierComponent = null; 2881 mIntentFilterVerifier = null; 2882 mServicesSystemSharedLibraryPackageName = null; 2883 mSharedSystemSharedLibraryPackageName = null; 2884 } 2885 2886 mInstallerService = new PackageInstallerService(context, this); 2887 2888 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2889 if (ephemeralResolverComponent != null) { 2890 if (DEBUG_EPHEMERAL) { 2891 Slog.i(TAG, "Ephemeral resolver: " + ephemeralResolverComponent); 2892 } 2893 mInstantAppResolverConnection = 2894 new EphemeralResolverConnection(mContext, ephemeralResolverComponent); 2895 } else { 2896 mInstantAppResolverConnection = null; 2897 } 2898 mInstantAppInstallerComponent = getEphemeralInstallerLPr(); 2899 if (mInstantAppInstallerComponent != null) { 2900 if (DEBUG_EPHEMERAL) { 2901 Slog.i(TAG, "Ephemeral installer: " + mInstantAppInstallerComponent); 2902 } 2903 setUpInstantAppInstallerActivityLP(mInstantAppInstallerComponent); 2904 } 2905 2906 // Read and update the usage of dex files. 2907 // Do this at the end of PM init so that all the packages have their 2908 // data directory reconciled. 2909 // At this point we know the code paths of the packages, so we can validate 2910 // the disk file and build the internal cache. 2911 // The usage file is expected to be small so loading and verifying it 2912 // should take a fairly small time compare to the other activities (e.g. package 2913 // scanning). 2914 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2915 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2916 for (int userId : currentUserIds) { 2917 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2918 } 2919 mDexManager.load(userPackages); 2920 } // synchronized (mPackages) 2921 } // synchronized (mInstallLock) 2922 2923 // Now after opening every single application zip, make sure they 2924 // are all flushed. Not really needed, but keeps things nice and 2925 // tidy. 2926 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2927 Runtime.getRuntime().gc(); 2928 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2929 2930 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2931 FallbackCategoryProvider.loadFallbacks(); 2932 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2933 2934 // The initial scanning above does many calls into installd while 2935 // holding the mPackages lock, but we're mostly interested in yelling 2936 // once we have a booted system. 2937 mInstaller.setWarnIfHeld(mPackages); 2938 2939 // Expose private service for system components to use. 2940 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2941 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2942 } 2943 2944 private static File preparePackageParserCache(boolean isUpgrade) { 2945 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 2946 return null; 2947 } 2948 2949 // Disable package parsing on eng builds to allow for faster incremental development. 2950 if ("eng".equals(Build.TYPE)) { 2951 return null; 2952 } 2953 2954 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 2955 Slog.i(TAG, "Disabling package parser cache due to system property."); 2956 return null; 2957 } 2958 2959 // The base directory for the package parser cache lives under /data/system/. 2960 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 2961 "package_cache"); 2962 if (cacheBaseDir == null) { 2963 return null; 2964 } 2965 2966 // If this is a system upgrade scenario, delete the contents of the package cache dir. 2967 // This also serves to "GC" unused entries when the package cache version changes (which 2968 // can only happen during upgrades). 2969 if (isUpgrade) { 2970 FileUtils.deleteContents(cacheBaseDir); 2971 } 2972 2973 2974 // Return the versioned package cache directory. This is something like 2975 // "/data/system/package_cache/1" 2976 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2977 2978 // The following is a workaround to aid development on non-numbered userdebug 2979 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 2980 // the system partition is newer. 2981 // 2982 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 2983 // that starts with "eng." to signify that this is an engineering build and not 2984 // destined for release. 2985 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 2986 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 2987 2988 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 2989 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 2990 // in general and should not be used for production changes. In this specific case, 2991 // we know that they will work. 2992 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2993 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 2994 FileUtils.deleteContents(cacheBaseDir); 2995 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2996 } 2997 } 2998 2999 return cacheDir; 3000 } 3001 3002 @Override 3003 public boolean isFirstBoot() { 3004 return mFirstBoot; 3005 } 3006 3007 @Override 3008 public boolean isOnlyCoreApps() { 3009 return mOnlyCore; 3010 } 3011 3012 @Override 3013 public boolean isUpgrade() { 3014 return mIsUpgrade; 3015 } 3016 3017 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 3018 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 3019 3020 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3021 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3022 UserHandle.USER_SYSTEM); 3023 if (matches.size() == 1) { 3024 return matches.get(0).getComponentInfo().packageName; 3025 } else if (matches.size() == 0) { 3026 Log.e(TAG, "There should probably be a verifier, but, none were found"); 3027 return null; 3028 } 3029 throw new RuntimeException("There must be exactly one verifier; found " + matches); 3030 } 3031 3032 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 3033 synchronized (mPackages) { 3034 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 3035 if (libraryEntry == null) { 3036 throw new IllegalStateException("Missing required shared library:" + name); 3037 } 3038 return libraryEntry.apk; 3039 } 3040 } 3041 3042 private @NonNull String getRequiredInstallerLPr() { 3043 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 3044 intent.addCategory(Intent.CATEGORY_DEFAULT); 3045 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3046 3047 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3048 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3049 UserHandle.USER_SYSTEM); 3050 if (matches.size() == 1) { 3051 ResolveInfo resolveInfo = matches.get(0); 3052 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3053 throw new RuntimeException("The installer must be a privileged app"); 3054 } 3055 return matches.get(0).getComponentInfo().packageName; 3056 } else { 3057 throw new RuntimeException("There must be exactly one installer; found " + matches); 3058 } 3059 } 3060 3061 private @NonNull String getRequiredUninstallerLPr() { 3062 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3063 intent.addCategory(Intent.CATEGORY_DEFAULT); 3064 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3065 3066 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3067 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3068 UserHandle.USER_SYSTEM); 3069 if (resolveInfo == null || 3070 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3071 throw new RuntimeException("There must be exactly one uninstaller; found " 3072 + resolveInfo); 3073 } 3074 return resolveInfo.getComponentInfo().packageName; 3075 } 3076 3077 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3078 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3079 3080 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3081 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3082 UserHandle.USER_SYSTEM); 3083 ResolveInfo best = null; 3084 final int N = matches.size(); 3085 for (int i = 0; i < N; i++) { 3086 final ResolveInfo cur = matches.get(i); 3087 final String packageName = cur.getComponentInfo().packageName; 3088 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3089 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3090 continue; 3091 } 3092 3093 if (best == null || cur.priority > best.priority) { 3094 best = cur; 3095 } 3096 } 3097 3098 if (best != null) { 3099 return best.getComponentInfo().getComponentName(); 3100 } else { 3101 throw new RuntimeException("There must be at least one intent filter verifier"); 3102 } 3103 } 3104 3105 private @Nullable ComponentName getEphemeralResolverLPr() { 3106 final String[] packageArray = 3107 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3108 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3109 if (DEBUG_EPHEMERAL) { 3110 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3111 } 3112 return null; 3113 } 3114 3115 final int resolveFlags = 3116 MATCH_DIRECT_BOOT_AWARE 3117 | MATCH_DIRECT_BOOT_UNAWARE 3118 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3119 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 3120 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3121 resolveFlags, UserHandle.USER_SYSTEM); 3122 3123 final int N = resolvers.size(); 3124 if (N == 0) { 3125 if (DEBUG_EPHEMERAL) { 3126 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3127 } 3128 return null; 3129 } 3130 3131 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3132 for (int i = 0; i < N; i++) { 3133 final ResolveInfo info = resolvers.get(i); 3134 3135 if (info.serviceInfo == null) { 3136 continue; 3137 } 3138 3139 final String packageName = info.serviceInfo.packageName; 3140 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3141 if (DEBUG_EPHEMERAL) { 3142 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3143 + " pkg: " + packageName + ", info:" + info); 3144 } 3145 continue; 3146 } 3147 3148 if (DEBUG_EPHEMERAL) { 3149 Slog.v(TAG, "Ephemeral resolver found;" 3150 + " pkg: " + packageName + ", info:" + info); 3151 } 3152 return new ComponentName(packageName, info.serviceInfo.name); 3153 } 3154 if (DEBUG_EPHEMERAL) { 3155 Slog.v(TAG, "Ephemeral resolver NOT found"); 3156 } 3157 return null; 3158 } 3159 3160 private @Nullable ComponentName getEphemeralInstallerLPr() { 3161 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3162 intent.addCategory(Intent.CATEGORY_DEFAULT); 3163 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3164 3165 final int resolveFlags = 3166 MATCH_DIRECT_BOOT_AWARE 3167 | MATCH_DIRECT_BOOT_UNAWARE 3168 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3169 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3170 resolveFlags, UserHandle.USER_SYSTEM); 3171 Iterator<ResolveInfo> iter = matches.iterator(); 3172 while (iter.hasNext()) { 3173 final ResolveInfo rInfo = iter.next(); 3174 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3175 if (ps != null) { 3176 final PermissionsState permissionsState = ps.getPermissionsState(); 3177 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3178 continue; 3179 } 3180 } 3181 iter.remove(); 3182 } 3183 if (matches.size() == 0) { 3184 return null; 3185 } else if (matches.size() == 1) { 3186 return matches.get(0).getComponentInfo().getComponentName(); 3187 } else { 3188 throw new RuntimeException( 3189 "There must be at most one ephemeral installer; found " + matches); 3190 } 3191 } 3192 3193 private void primeDomainVerificationsLPw(int userId) { 3194 if (DEBUG_DOMAIN_VERIFICATION) { 3195 Slog.d(TAG, "Priming domain verifications in user " + userId); 3196 } 3197 3198 SystemConfig systemConfig = SystemConfig.getInstance(); 3199 ArraySet<String> packages = systemConfig.getLinkedApps(); 3200 3201 for (String packageName : packages) { 3202 PackageParser.Package pkg = mPackages.get(packageName); 3203 if (pkg != null) { 3204 if (!pkg.isSystemApp()) { 3205 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3206 continue; 3207 } 3208 3209 ArraySet<String> domains = null; 3210 for (PackageParser.Activity a : pkg.activities) { 3211 for (ActivityIntentInfo filter : a.intents) { 3212 if (hasValidDomains(filter)) { 3213 if (domains == null) { 3214 domains = new ArraySet<String>(); 3215 } 3216 domains.addAll(filter.getHostsList()); 3217 } 3218 } 3219 } 3220 3221 if (domains != null && domains.size() > 0) { 3222 if (DEBUG_DOMAIN_VERIFICATION) { 3223 Slog.v(TAG, " + " + packageName); 3224 } 3225 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3226 // state w.r.t. the formal app-linkage "no verification attempted" state; 3227 // and then 'always' in the per-user state actually used for intent resolution. 3228 final IntentFilterVerificationInfo ivi; 3229 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3230 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3231 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3232 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3233 } else { 3234 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3235 + "' does not handle web links"); 3236 } 3237 } else { 3238 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3239 } 3240 } 3241 3242 scheduleWritePackageRestrictionsLocked(userId); 3243 scheduleWriteSettingsLocked(); 3244 } 3245 3246 private void applyFactoryDefaultBrowserLPw(int userId) { 3247 // The default browser app's package name is stored in a string resource, 3248 // with a product-specific overlay used for vendor customization. 3249 String browserPkg = mContext.getResources().getString( 3250 com.android.internal.R.string.default_browser); 3251 if (!TextUtils.isEmpty(browserPkg)) { 3252 // non-empty string => required to be a known package 3253 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3254 if (ps == null) { 3255 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3256 browserPkg = null; 3257 } else { 3258 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3259 } 3260 } 3261 3262 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3263 // default. If there's more than one, just leave everything alone. 3264 if (browserPkg == null) { 3265 calculateDefaultBrowserLPw(userId); 3266 } 3267 } 3268 3269 private void calculateDefaultBrowserLPw(int userId) { 3270 List<String> allBrowsers = resolveAllBrowserApps(userId); 3271 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3272 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3273 } 3274 3275 private List<String> resolveAllBrowserApps(int userId) { 3276 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3277 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3278 PackageManager.MATCH_ALL, userId); 3279 3280 final int count = list.size(); 3281 List<String> result = new ArrayList<String>(count); 3282 for (int i=0; i<count; i++) { 3283 ResolveInfo info = list.get(i); 3284 if (info.activityInfo == null 3285 || !info.handleAllWebDataURI 3286 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3287 || result.contains(info.activityInfo.packageName)) { 3288 continue; 3289 } 3290 result.add(info.activityInfo.packageName); 3291 } 3292 3293 return result; 3294 } 3295 3296 private boolean packageIsBrowser(String packageName, int userId) { 3297 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3298 PackageManager.MATCH_ALL, userId); 3299 final int N = list.size(); 3300 for (int i = 0; i < N; i++) { 3301 ResolveInfo info = list.get(i); 3302 if (packageName.equals(info.activityInfo.packageName)) { 3303 return true; 3304 } 3305 } 3306 return false; 3307 } 3308 3309 private void checkDefaultBrowser() { 3310 final int myUserId = UserHandle.myUserId(); 3311 final String packageName = getDefaultBrowserPackageName(myUserId); 3312 if (packageName != null) { 3313 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3314 if (info == null) { 3315 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3316 synchronized (mPackages) { 3317 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3318 } 3319 } 3320 } 3321 } 3322 3323 @Override 3324 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3325 throws RemoteException { 3326 try { 3327 return super.onTransact(code, data, reply, flags); 3328 } catch (RuntimeException e) { 3329 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3330 Slog.wtf(TAG, "Package Manager Crash", e); 3331 } 3332 throw e; 3333 } 3334 } 3335 3336 static int[] appendInts(int[] cur, int[] add) { 3337 if (add == null) return cur; 3338 if (cur == null) return add; 3339 final int N = add.length; 3340 for (int i=0; i<N; i++) { 3341 cur = appendInt(cur, add[i]); 3342 } 3343 return cur; 3344 } 3345 3346 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3347 if (!sUserManager.exists(userId)) return null; 3348 if (ps == null) { 3349 return null; 3350 } 3351 final PackageParser.Package p = ps.pkg; 3352 if (p == null) { 3353 return null; 3354 } 3355 // Filter out ephemeral app metadata: 3356 // * The system/shell/root can see metadata for any app 3357 // * An installed app can see metadata for 1) other installed apps 3358 // and 2) ephemeral apps that have explicitly interacted with it 3359 // * Ephemeral apps can only see their own metadata 3360 // * Holding a signature permission allows seeing instant apps 3361 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 3362 if (callingAppId != Process.SYSTEM_UID 3363 && callingAppId != Process.SHELL_UID 3364 && callingAppId != Process.ROOT_UID 3365 && checkUidPermission(Manifest.permission.ACCESS_INSTANT_APPS, 3366 Binder.getCallingUid()) != PackageManager.PERMISSION_GRANTED) { 3367 final String instantAppPackageName = getInstantAppPackageName(Binder.getCallingUid()); 3368 if (instantAppPackageName != null) { 3369 // ephemeral apps can only get information on themselves 3370 if (!instantAppPackageName.equals(p.packageName)) { 3371 return null; 3372 } 3373 } else { 3374 if (ps.getInstantApp(userId)) { 3375 // only get access to the ephemeral app if we've been granted access 3376 if (!mInstantAppRegistry.isInstantAccessGranted( 3377 userId, callingAppId, ps.appId)) { 3378 return null; 3379 } 3380 } 3381 } 3382 } 3383 3384 final PermissionsState permissionsState = ps.getPermissionsState(); 3385 3386 // Compute GIDs only if requested 3387 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3388 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3389 // Compute granted permissions only if package has requested permissions 3390 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3391 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3392 final PackageUserState state = ps.readUserState(userId); 3393 3394 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3395 && ps.isSystem()) { 3396 flags |= MATCH_ANY_USER; 3397 } 3398 3399 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3400 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3401 3402 if (packageInfo == null) { 3403 return null; 3404 } 3405 3406 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3407 resolveExternalPackageNameLPr(p); 3408 3409 return packageInfo; 3410 } 3411 3412 @Override 3413 public void checkPackageStartable(String packageName, int userId) { 3414 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3415 3416 synchronized (mPackages) { 3417 final PackageSetting ps = mSettings.mPackages.get(packageName); 3418 if (ps == null) { 3419 throw new SecurityException("Package " + packageName + " was not found!"); 3420 } 3421 3422 if (!ps.getInstalled(userId)) { 3423 throw new SecurityException( 3424 "Package " + packageName + " was not installed for user " + userId + "!"); 3425 } 3426 3427 if (mSafeMode && !ps.isSystem()) { 3428 throw new SecurityException("Package " + packageName + " not a system app!"); 3429 } 3430 3431 if (mFrozenPackages.contains(packageName)) { 3432 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3433 } 3434 3435 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3436 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3437 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3438 } 3439 } 3440 } 3441 3442 @Override 3443 public boolean isPackageAvailable(String packageName, int userId) { 3444 if (!sUserManager.exists(userId)) return false; 3445 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3446 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3447 synchronized (mPackages) { 3448 PackageParser.Package p = mPackages.get(packageName); 3449 if (p != null) { 3450 final PackageSetting ps = (PackageSetting) p.mExtras; 3451 if (ps != null) { 3452 final PackageUserState state = ps.readUserState(userId); 3453 if (state != null) { 3454 return PackageParser.isAvailable(state); 3455 } 3456 } 3457 } 3458 } 3459 return false; 3460 } 3461 3462 @Override 3463 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3464 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3465 flags, userId); 3466 } 3467 3468 @Override 3469 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3470 int flags, int userId) { 3471 return getPackageInfoInternal(versionedPackage.getPackageName(), 3472 // TODO: We will change version code to long, so in the new API it is long 3473 (int) versionedPackage.getVersionCode(), flags, userId); 3474 } 3475 3476 private PackageInfo getPackageInfoInternal(String packageName, int versionCode, 3477 int flags, int userId) { 3478 if (!sUserManager.exists(userId)) return null; 3479 flags = updateFlagsForPackage(flags, userId, packageName); 3480 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3481 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3482 3483 // reader 3484 synchronized (mPackages) { 3485 // Normalize package name to handle renamed packages and static libs 3486 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3487 3488 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3489 if (matchFactoryOnly) { 3490 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3491 if (ps != null) { 3492 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3493 return null; 3494 } 3495 return generatePackageInfo(ps, flags, userId); 3496 } 3497 } 3498 3499 PackageParser.Package p = mPackages.get(packageName); 3500 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3501 return null; 3502 } 3503 if (DEBUG_PACKAGE_INFO) 3504 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3505 if (p != null) { 3506 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 3507 Binder.getCallingUid(), userId)) { 3508 return null; 3509 } 3510 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3511 } 3512 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3513 final PackageSetting ps = mSettings.mPackages.get(packageName); 3514 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3515 return null; 3516 } 3517 return generatePackageInfo(ps, flags, userId); 3518 } 3519 } 3520 return null; 3521 } 3522 3523 3524 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId) { 3525 // System/shell/root get to see all static libs 3526 final int appId = UserHandle.getAppId(uid); 3527 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 3528 || appId == Process.ROOT_UID) { 3529 return false; 3530 } 3531 3532 // No package means no static lib as it is always on internal storage 3533 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 3534 return false; 3535 } 3536 3537 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 3538 ps.pkg.staticSharedLibVersion); 3539 if (libEntry == null) { 3540 return false; 3541 } 3542 3543 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 3544 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 3545 if (uidPackageNames == null) { 3546 return true; 3547 } 3548 3549 for (String uidPackageName : uidPackageNames) { 3550 if (ps.name.equals(uidPackageName)) { 3551 return false; 3552 } 3553 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 3554 if (uidPs != null) { 3555 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 3556 libEntry.info.getName()); 3557 if (index < 0) { 3558 continue; 3559 } 3560 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getVersion()) { 3561 return false; 3562 } 3563 } 3564 } 3565 return true; 3566 } 3567 3568 @Override 3569 public String[] currentToCanonicalPackageNames(String[] names) { 3570 String[] out = new String[names.length]; 3571 // reader 3572 synchronized (mPackages) { 3573 for (int i=names.length-1; i>=0; i--) { 3574 PackageSetting ps = mSettings.mPackages.get(names[i]); 3575 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3576 } 3577 } 3578 return out; 3579 } 3580 3581 @Override 3582 public String[] canonicalToCurrentPackageNames(String[] names) { 3583 String[] out = new String[names.length]; 3584 // reader 3585 synchronized (mPackages) { 3586 for (int i=names.length-1; i>=0; i--) { 3587 String cur = mSettings.getRenamedPackageLPr(names[i]); 3588 out[i] = cur != null ? cur : names[i]; 3589 } 3590 } 3591 return out; 3592 } 3593 3594 @Override 3595 public int getPackageUid(String packageName, int flags, int userId) { 3596 if (!sUserManager.exists(userId)) return -1; 3597 flags = updateFlagsForPackage(flags, userId, packageName); 3598 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3599 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3600 3601 // reader 3602 synchronized (mPackages) { 3603 final PackageParser.Package p = mPackages.get(packageName); 3604 if (p != null && p.isMatch(flags)) { 3605 return UserHandle.getUid(userId, p.applicationInfo.uid); 3606 } 3607 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3608 final PackageSetting ps = mSettings.mPackages.get(packageName); 3609 if (ps != null && ps.isMatch(flags)) { 3610 return UserHandle.getUid(userId, ps.appId); 3611 } 3612 } 3613 } 3614 3615 return -1; 3616 } 3617 3618 @Override 3619 public int[] getPackageGids(String packageName, int flags, int userId) { 3620 if (!sUserManager.exists(userId)) return null; 3621 flags = updateFlagsForPackage(flags, userId, packageName); 3622 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3623 false /* requireFullPermission */, false /* checkShell */, 3624 "getPackageGids"); 3625 3626 // reader 3627 synchronized (mPackages) { 3628 final PackageParser.Package p = mPackages.get(packageName); 3629 if (p != null && p.isMatch(flags)) { 3630 PackageSetting ps = (PackageSetting) p.mExtras; 3631 // TODO: Shouldn't this be checking for package installed state for userId and 3632 // return null? 3633 return ps.getPermissionsState().computeGids(userId); 3634 } 3635 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3636 final PackageSetting ps = mSettings.mPackages.get(packageName); 3637 if (ps != null && ps.isMatch(flags)) { 3638 return ps.getPermissionsState().computeGids(userId); 3639 } 3640 } 3641 } 3642 3643 return null; 3644 } 3645 3646 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3647 if (bp.perm != null) { 3648 return PackageParser.generatePermissionInfo(bp.perm, flags); 3649 } 3650 PermissionInfo pi = new PermissionInfo(); 3651 pi.name = bp.name; 3652 pi.packageName = bp.sourcePackage; 3653 pi.nonLocalizedLabel = bp.name; 3654 pi.protectionLevel = bp.protectionLevel; 3655 return pi; 3656 } 3657 3658 @Override 3659 public PermissionInfo getPermissionInfo(String name, int flags) { 3660 // reader 3661 synchronized (mPackages) { 3662 final BasePermission p = mSettings.mPermissions.get(name); 3663 if (p != null) { 3664 return generatePermissionInfo(p, flags); 3665 } 3666 return null; 3667 } 3668 } 3669 3670 @Override 3671 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3672 int flags) { 3673 // reader 3674 synchronized (mPackages) { 3675 if (group != null && !mPermissionGroups.containsKey(group)) { 3676 // This is thrown as NameNotFoundException 3677 return null; 3678 } 3679 3680 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3681 for (BasePermission p : mSettings.mPermissions.values()) { 3682 if (group == null) { 3683 if (p.perm == null || p.perm.info.group == null) { 3684 out.add(generatePermissionInfo(p, flags)); 3685 } 3686 } else { 3687 if (p.perm != null && group.equals(p.perm.info.group)) { 3688 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3689 } 3690 } 3691 } 3692 return new ParceledListSlice<>(out); 3693 } 3694 } 3695 3696 @Override 3697 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3698 // reader 3699 synchronized (mPackages) { 3700 return PackageParser.generatePermissionGroupInfo( 3701 mPermissionGroups.get(name), flags); 3702 } 3703 } 3704 3705 @Override 3706 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3707 // reader 3708 synchronized (mPackages) { 3709 final int N = mPermissionGroups.size(); 3710 ArrayList<PermissionGroupInfo> out 3711 = new ArrayList<PermissionGroupInfo>(N); 3712 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3713 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3714 } 3715 return new ParceledListSlice<>(out); 3716 } 3717 } 3718 3719 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3720 int uid, int userId) { 3721 if (!sUserManager.exists(userId)) return null; 3722 PackageSetting ps = mSettings.mPackages.get(packageName); 3723 if (ps != null) { 3724 if (filterSharedLibPackageLPr(ps, uid, userId)) { 3725 return null; 3726 } 3727 if (ps.pkg == null) { 3728 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3729 if (pInfo != null) { 3730 return pInfo.applicationInfo; 3731 } 3732 return null; 3733 } 3734 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3735 ps.readUserState(userId), userId); 3736 if (ai != null) { 3737 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 3738 } 3739 return ai; 3740 } 3741 return null; 3742 } 3743 3744 @Override 3745 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3746 if (!sUserManager.exists(userId)) return null; 3747 flags = updateFlagsForApplication(flags, userId, packageName); 3748 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3749 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3750 3751 // writer 3752 synchronized (mPackages) { 3753 // Normalize package name to handle renamed packages and static libs 3754 packageName = resolveInternalPackageNameLPr(packageName, 3755 PackageManager.VERSION_CODE_HIGHEST); 3756 3757 PackageParser.Package p = mPackages.get(packageName); 3758 if (DEBUG_PACKAGE_INFO) Log.v( 3759 TAG, "getApplicationInfo " + packageName 3760 + ": " + p); 3761 if (p != null) { 3762 PackageSetting ps = mSettings.mPackages.get(packageName); 3763 if (ps == null) return null; 3764 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3765 return null; 3766 } 3767 // Note: isEnabledLP() does not apply here - always return info 3768 ApplicationInfo ai = PackageParser.generateApplicationInfo( 3769 p, flags, ps.readUserState(userId), userId); 3770 if (ai != null) { 3771 ai.packageName = resolveExternalPackageNameLPr(p); 3772 } 3773 return ai; 3774 } 3775 if ("android".equals(packageName)||"system".equals(packageName)) { 3776 return mAndroidApplication; 3777 } 3778 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3779 // Already generates the external package name 3780 return generateApplicationInfoFromSettingsLPw(packageName, 3781 Binder.getCallingUid(), flags, userId); 3782 } 3783 } 3784 return null; 3785 } 3786 3787 private String normalizePackageNameLPr(String packageName) { 3788 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 3789 return normalizedPackageName != null ? normalizedPackageName : packageName; 3790 } 3791 3792 @Override 3793 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3794 final IPackageDataObserver observer) { 3795 mContext.enforceCallingOrSelfPermission( 3796 android.Manifest.permission.CLEAR_APP_CACHE, null); 3797 mHandler.post(() -> { 3798 boolean success = false; 3799 try { 3800 freeStorage(volumeUuid, freeStorageSize, 0); 3801 success = true; 3802 } catch (IOException e) { 3803 Slog.w(TAG, e); 3804 } 3805 if (observer != null) { 3806 try { 3807 observer.onRemoveCompleted(null, success); 3808 } catch (RemoteException e) { 3809 Slog.w(TAG, e); 3810 } 3811 } 3812 }); 3813 } 3814 3815 @Override 3816 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3817 final IntentSender pi) { 3818 mContext.enforceCallingOrSelfPermission( 3819 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 3820 mHandler.post(() -> { 3821 boolean success = false; 3822 try { 3823 freeStorage(volumeUuid, freeStorageSize, 0); 3824 success = true; 3825 } catch (IOException e) { 3826 Slog.w(TAG, e); 3827 } 3828 if (pi != null) { 3829 try { 3830 pi.sendIntent(null, success ? 1 : 0, null, null, null); 3831 } catch (SendIntentException e) { 3832 Slog.w(TAG, e); 3833 } 3834 } 3835 }); 3836 } 3837 3838 /** 3839 * Blocking call to clear various types of cached data across the system 3840 * until the requested bytes are available. 3841 */ 3842 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 3843 final StorageManager storage = mContext.getSystemService(StorageManager.class); 3844 final File file = storage.findPathForUuid(volumeUuid); 3845 3846 if (ENABLE_FREE_CACHE_V2) { 3847 final boolean aggressive = (storageFlags 3848 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 3849 3850 // 1. Pre-flight to determine if we have any chance to succeed 3851 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 3852 3853 // 3. Consider parsed APK data (aggressive only) 3854 if (aggressive) { 3855 FileUtils.deleteContents(mCacheDir); 3856 } 3857 if (file.getUsableSpace() >= bytes) return; 3858 3859 // 4. Consider cached app data (above quotas) 3860 try { 3861 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2); 3862 } catch (InstallerException ignored) { 3863 } 3864 if (file.getUsableSpace() >= bytes) return; 3865 3866 // 5. Consider shared libraries with refcount=0 and age>2h 3867 // 6. Consider dexopt output (aggressive only) 3868 // 7. Consider ephemeral apps not used in last week 3869 3870 // 8. Consider cached app data (below quotas) 3871 try { 3872 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2 3873 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 3874 } catch (InstallerException ignored) { 3875 } 3876 if (file.getUsableSpace() >= bytes) return; 3877 3878 // 9. Consider DropBox entries 3879 // 10. Consider ephemeral cookies 3880 3881 } else { 3882 try { 3883 mInstaller.freeCache(volumeUuid, bytes, 0); 3884 } catch (InstallerException ignored) { 3885 } 3886 if (file.getUsableSpace() >= bytes) return; 3887 } 3888 3889 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 3890 } 3891 3892 /** 3893 * Update given flags based on encryption status of current user. 3894 */ 3895 private int updateFlags(int flags, int userId) { 3896 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3897 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3898 // Caller expressed an explicit opinion about what encryption 3899 // aware/unaware components they want to see, so fall through and 3900 // give them what they want 3901 } else { 3902 // Caller expressed no opinion, so match based on user state 3903 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3904 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3905 } else { 3906 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3907 } 3908 } 3909 return flags; 3910 } 3911 3912 private UserManagerInternal getUserManagerInternal() { 3913 if (mUserManagerInternal == null) { 3914 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3915 } 3916 return mUserManagerInternal; 3917 } 3918 3919 private DeviceIdleController.LocalService getDeviceIdleController() { 3920 if (mDeviceIdleController == null) { 3921 mDeviceIdleController = 3922 LocalServices.getService(DeviceIdleController.LocalService.class); 3923 } 3924 return mDeviceIdleController; 3925 } 3926 3927 /** 3928 * Update given flags when being used to request {@link PackageInfo}. 3929 */ 3930 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3931 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3932 boolean triaged = true; 3933 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3934 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3935 // Caller is asking for component details, so they'd better be 3936 // asking for specific encryption matching behavior, or be triaged 3937 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3938 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3939 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3940 triaged = false; 3941 } 3942 } 3943 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3944 | PackageManager.MATCH_SYSTEM_ONLY 3945 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3946 triaged = false; 3947 } 3948 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3949 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3950 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 3951 + Debug.getCallers(5)); 3952 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 3953 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 3954 // If the caller wants all packages and has a restricted profile associated with it, 3955 // then match all users. This is to make sure that launchers that need to access work 3956 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 3957 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 3958 flags |= PackageManager.MATCH_ANY_USER; 3959 } 3960 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3961 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3962 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3963 } 3964 return updateFlags(flags, userId); 3965 } 3966 3967 /** 3968 * Update given flags when being used to request {@link ApplicationInfo}. 3969 */ 3970 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3971 return updateFlagsForPackage(flags, userId, cookie); 3972 } 3973 3974 /** 3975 * Update given flags when being used to request {@link ComponentInfo}. 3976 */ 3977 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3978 if (cookie instanceof Intent) { 3979 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3980 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3981 } 3982 } 3983 3984 boolean triaged = true; 3985 // Caller is asking for component details, so they'd better be 3986 // asking for specific encryption matching behavior, or be triaged 3987 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3988 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3989 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3990 triaged = false; 3991 } 3992 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3993 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3994 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3995 } 3996 3997 return updateFlags(flags, userId); 3998 } 3999 4000 /** 4001 * Update given intent when being used to request {@link ResolveInfo}. 4002 */ 4003 private Intent updateIntentForResolve(Intent intent) { 4004 if (intent.getSelector() != null) { 4005 intent = intent.getSelector(); 4006 } 4007 if (DEBUG_PREFERRED) { 4008 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4009 } 4010 return intent; 4011 } 4012 4013 /** 4014 * Update given flags when being used to request {@link ResolveInfo}. 4015 */ 4016 int updateFlagsForResolve(int flags, int userId, Object cookie) { 4017 // Safe mode means we shouldn't match any third-party components 4018 if (mSafeMode) { 4019 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4020 } 4021 final int callingUid = Binder.getCallingUid(); 4022 if (getInstantAppPackageName(callingUid) != null) { 4023 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4024 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4025 flags |= PackageManager.MATCH_INSTANT; 4026 } else { 4027 // Otherwise, prevent leaking ephemeral components 4028 flags &= ~PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4029 if (callingUid != Process.SYSTEM_UID 4030 && callingUid != Process.SHELL_UID 4031 && callingUid != 0) { 4032 // Unless called from the system process 4033 flags &= ~PackageManager.MATCH_INSTANT; 4034 } 4035 } 4036 return updateFlagsForComponent(flags, userId, cookie); 4037 } 4038 4039 @Override 4040 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4041 if (!sUserManager.exists(userId)) return null; 4042 flags = updateFlagsForComponent(flags, userId, component); 4043 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4044 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4045 synchronized (mPackages) { 4046 PackageParser.Activity a = mActivities.mActivities.get(component); 4047 4048 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4049 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4050 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4051 if (ps == null) return null; 4052 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 4053 userId); 4054 } 4055 if (mResolveComponentName.equals(component)) { 4056 return PackageParser.generateActivityInfo(mResolveActivity, flags, 4057 new PackageUserState(), userId); 4058 } 4059 } 4060 return null; 4061 } 4062 4063 @Override 4064 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4065 String resolvedType) { 4066 synchronized (mPackages) { 4067 if (component.equals(mResolveComponentName)) { 4068 // The resolver supports EVERYTHING! 4069 return true; 4070 } 4071 PackageParser.Activity a = mActivities.mActivities.get(component); 4072 if (a == null) { 4073 return false; 4074 } 4075 for (int i=0; i<a.intents.size(); i++) { 4076 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4077 intent.getData(), intent.getCategories(), TAG) >= 0) { 4078 return true; 4079 } 4080 } 4081 return false; 4082 } 4083 } 4084 4085 @Override 4086 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4087 if (!sUserManager.exists(userId)) return null; 4088 flags = updateFlagsForComponent(flags, userId, component); 4089 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4090 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4091 synchronized (mPackages) { 4092 PackageParser.Activity a = mReceivers.mActivities.get(component); 4093 if (DEBUG_PACKAGE_INFO) Log.v( 4094 TAG, "getReceiverInfo " + component + ": " + a); 4095 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4096 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4097 if (ps == null) return null; 4098 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 4099 userId); 4100 } 4101 } 4102 return null; 4103 } 4104 4105 @Override 4106 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(int flags, int userId) { 4107 if (!sUserManager.exists(userId)) return null; 4108 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4109 4110 flags = updateFlagsForPackage(flags, userId, null); 4111 4112 final boolean canSeeStaticLibraries = 4113 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4114 == PERMISSION_GRANTED 4115 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4116 == PERMISSION_GRANTED 4117 || mContext.checkCallingOrSelfPermission(REQUEST_INSTALL_PACKAGES) 4118 == PERMISSION_GRANTED 4119 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4120 == PERMISSION_GRANTED; 4121 4122 synchronized (mPackages) { 4123 List<SharedLibraryInfo> result = null; 4124 4125 final int libCount = mSharedLibraries.size(); 4126 for (int i = 0; i < libCount; i++) { 4127 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4128 if (versionedLib == null) { 4129 continue; 4130 } 4131 4132 final int versionCount = versionedLib.size(); 4133 for (int j = 0; j < versionCount; j++) { 4134 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4135 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4136 break; 4137 } 4138 final long identity = Binder.clearCallingIdentity(); 4139 try { 4140 // TODO: We will change version code to long, so in the new API it is long 4141 PackageInfo packageInfo = getPackageInfoVersioned( 4142 libInfo.getDeclaringPackage(), flags, userId); 4143 if (packageInfo == null) { 4144 continue; 4145 } 4146 } finally { 4147 Binder.restoreCallingIdentity(identity); 4148 } 4149 4150 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4151 libInfo.getVersion(), libInfo.getType(), libInfo.getDeclaringPackage(), 4152 getPackagesUsingSharedLibraryLPr(libInfo, flags, userId)); 4153 4154 if (result == null) { 4155 result = new ArrayList<>(); 4156 } 4157 result.add(resLibInfo); 4158 } 4159 } 4160 4161 return result != null ? new ParceledListSlice<>(result) : null; 4162 } 4163 } 4164 4165 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4166 SharedLibraryInfo libInfo, int flags, int userId) { 4167 List<VersionedPackage> versionedPackages = null; 4168 final int packageCount = mSettings.mPackages.size(); 4169 for (int i = 0; i < packageCount; i++) { 4170 PackageSetting ps = mSettings.mPackages.valueAt(i); 4171 4172 if (ps == null) { 4173 continue; 4174 } 4175 4176 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4177 continue; 4178 } 4179 4180 final String libName = libInfo.getName(); 4181 if (libInfo.isStatic()) { 4182 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4183 if (libIdx < 0) { 4184 continue; 4185 } 4186 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getVersion()) { 4187 continue; 4188 } 4189 if (versionedPackages == null) { 4190 versionedPackages = new ArrayList<>(); 4191 } 4192 // If the dependent is a static shared lib, use the public package name 4193 String dependentPackageName = ps.name; 4194 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4195 dependentPackageName = ps.pkg.manifestPackageName; 4196 } 4197 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4198 } else if (ps.pkg != null) { 4199 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4200 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4201 if (versionedPackages == null) { 4202 versionedPackages = new ArrayList<>(); 4203 } 4204 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4205 } 4206 } 4207 } 4208 4209 return versionedPackages; 4210 } 4211 4212 @Override 4213 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4214 if (!sUserManager.exists(userId)) return null; 4215 flags = updateFlagsForComponent(flags, userId, component); 4216 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4217 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4218 synchronized (mPackages) { 4219 PackageParser.Service s = mServices.mServices.get(component); 4220 if (DEBUG_PACKAGE_INFO) Log.v( 4221 TAG, "getServiceInfo " + component + ": " + s); 4222 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4223 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4224 if (ps == null) return null; 4225 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 4226 userId); 4227 } 4228 } 4229 return null; 4230 } 4231 4232 @Override 4233 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4234 if (!sUserManager.exists(userId)) return null; 4235 flags = updateFlagsForComponent(flags, userId, component); 4236 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4237 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4238 synchronized (mPackages) { 4239 PackageParser.Provider p = mProviders.mProviders.get(component); 4240 if (DEBUG_PACKAGE_INFO) Log.v( 4241 TAG, "getProviderInfo " + component + ": " + p); 4242 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4243 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4244 if (ps == null) return null; 4245 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 4246 userId); 4247 } 4248 } 4249 return null; 4250 } 4251 4252 @Override 4253 public String[] getSystemSharedLibraryNames() { 4254 synchronized (mPackages) { 4255 Set<String> libs = null; 4256 final int libCount = mSharedLibraries.size(); 4257 for (int i = 0; i < libCount; i++) { 4258 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4259 if (versionedLib == null) { 4260 continue; 4261 } 4262 final int versionCount = versionedLib.size(); 4263 for (int j = 0; j < versionCount; j++) { 4264 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4265 if (!libEntry.info.isStatic()) { 4266 if (libs == null) { 4267 libs = new ArraySet<>(); 4268 } 4269 libs.add(libEntry.info.getName()); 4270 break; 4271 } 4272 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 4273 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 4274 UserHandle.getUserId(Binder.getCallingUid()))) { 4275 if (libs == null) { 4276 libs = new ArraySet<>(); 4277 } 4278 libs.add(libEntry.info.getName()); 4279 break; 4280 } 4281 } 4282 } 4283 4284 if (libs != null) { 4285 String[] libsArray = new String[libs.size()]; 4286 libs.toArray(libsArray); 4287 return libsArray; 4288 } 4289 4290 return null; 4291 } 4292 } 4293 4294 @Override 4295 public @NonNull String getServicesSystemSharedLibraryPackageName() { 4296 synchronized (mPackages) { 4297 return mServicesSystemSharedLibraryPackageName; 4298 } 4299 } 4300 4301 @Override 4302 public @NonNull String getSharedSystemSharedLibraryPackageName() { 4303 synchronized (mPackages) { 4304 return mSharedSystemSharedLibraryPackageName; 4305 } 4306 } 4307 4308 private void updateSequenceNumberLP(String packageName, int[] userList) { 4309 for (int i = userList.length - 1; i >= 0; --i) { 4310 final int userId = userList[i]; 4311 SparseArray<String> changedPackages = mChangedPackages.get(userId); 4312 if (changedPackages == null) { 4313 changedPackages = new SparseArray<>(); 4314 mChangedPackages.put(userId, changedPackages); 4315 } 4316 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 4317 if (sequenceNumbers == null) { 4318 sequenceNumbers = new HashMap<>(); 4319 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 4320 } 4321 final Integer sequenceNumber = sequenceNumbers.get(packageName); 4322 if (sequenceNumber != null) { 4323 changedPackages.remove(sequenceNumber); 4324 } 4325 changedPackages.put(mChangedPackagesSequenceNumber, packageName); 4326 sequenceNumbers.put(packageName, mChangedPackagesSequenceNumber); 4327 } 4328 mChangedPackagesSequenceNumber++; 4329 } 4330 4331 @Override 4332 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 4333 synchronized (mPackages) { 4334 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 4335 return null; 4336 } 4337 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 4338 if (changedPackages == null) { 4339 return null; 4340 } 4341 final List<String> packageNames = 4342 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 4343 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 4344 final String packageName = changedPackages.get(i); 4345 if (packageName != null) { 4346 packageNames.add(packageName); 4347 } 4348 } 4349 return packageNames.isEmpty() 4350 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 4351 } 4352 } 4353 4354 @Override 4355 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 4356 ArrayList<FeatureInfo> res; 4357 synchronized (mAvailableFeatures) { 4358 res = new ArrayList<>(mAvailableFeatures.size() + 1); 4359 res.addAll(mAvailableFeatures.values()); 4360 } 4361 final FeatureInfo fi = new FeatureInfo(); 4362 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 4363 FeatureInfo.GL_ES_VERSION_UNDEFINED); 4364 res.add(fi); 4365 4366 return new ParceledListSlice<>(res); 4367 } 4368 4369 @Override 4370 public boolean hasSystemFeature(String name, int version) { 4371 synchronized (mAvailableFeatures) { 4372 final FeatureInfo feat = mAvailableFeatures.get(name); 4373 if (feat == null) { 4374 return false; 4375 } else { 4376 return feat.version >= version; 4377 } 4378 } 4379 } 4380 4381 @Override 4382 public int checkPermission(String permName, String pkgName, int userId) { 4383 if (!sUserManager.exists(userId)) { 4384 return PackageManager.PERMISSION_DENIED; 4385 } 4386 4387 synchronized (mPackages) { 4388 final PackageParser.Package p = mPackages.get(pkgName); 4389 if (p != null && p.mExtras != null) { 4390 final PackageSetting ps = (PackageSetting) p.mExtras; 4391 final PermissionsState permissionsState = ps.getPermissionsState(); 4392 if (permissionsState.hasPermission(permName, userId)) { 4393 return PackageManager.PERMISSION_GRANTED; 4394 } 4395 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4396 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4397 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4398 return PackageManager.PERMISSION_GRANTED; 4399 } 4400 } 4401 } 4402 4403 return PackageManager.PERMISSION_DENIED; 4404 } 4405 4406 @Override 4407 public int checkUidPermission(String permName, int uid) { 4408 final int userId = UserHandle.getUserId(uid); 4409 4410 if (!sUserManager.exists(userId)) { 4411 return PackageManager.PERMISSION_DENIED; 4412 } 4413 4414 synchronized (mPackages) { 4415 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4416 if (obj != null) { 4417 final SettingBase ps = (SettingBase) obj; 4418 final PermissionsState permissionsState = ps.getPermissionsState(); 4419 if (permissionsState.hasPermission(permName, userId)) { 4420 return PackageManager.PERMISSION_GRANTED; 4421 } 4422 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4423 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4424 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4425 return PackageManager.PERMISSION_GRANTED; 4426 } 4427 } else { 4428 ArraySet<String> perms = mSystemPermissions.get(uid); 4429 if (perms != null) { 4430 if (perms.contains(permName)) { 4431 return PackageManager.PERMISSION_GRANTED; 4432 } 4433 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 4434 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 4435 return PackageManager.PERMISSION_GRANTED; 4436 } 4437 } 4438 } 4439 } 4440 4441 return PackageManager.PERMISSION_DENIED; 4442 } 4443 4444 @Override 4445 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 4446 if (UserHandle.getCallingUserId() != userId) { 4447 mContext.enforceCallingPermission( 4448 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4449 "isPermissionRevokedByPolicy for user " + userId); 4450 } 4451 4452 if (checkPermission(permission, packageName, userId) 4453 == PackageManager.PERMISSION_GRANTED) { 4454 return false; 4455 } 4456 4457 final long identity = Binder.clearCallingIdentity(); 4458 try { 4459 final int flags = getPermissionFlags(permission, packageName, userId); 4460 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4461 } finally { 4462 Binder.restoreCallingIdentity(identity); 4463 } 4464 } 4465 4466 @Override 4467 public String getPermissionControllerPackageName() { 4468 synchronized (mPackages) { 4469 return mRequiredInstallerPackage; 4470 } 4471 } 4472 4473 /** 4474 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4475 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4476 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4477 * @param message the message to log on security exception 4478 */ 4479 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4480 boolean checkShell, String message) { 4481 if (userId < 0) { 4482 throw new IllegalArgumentException("Invalid userId " + userId); 4483 } 4484 if (checkShell) { 4485 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4486 } 4487 if (userId == UserHandle.getUserId(callingUid)) return; 4488 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4489 if (requireFullPermission) { 4490 mContext.enforceCallingOrSelfPermission( 4491 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4492 } else { 4493 try { 4494 mContext.enforceCallingOrSelfPermission( 4495 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4496 } catch (SecurityException se) { 4497 mContext.enforceCallingOrSelfPermission( 4498 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 4499 } 4500 } 4501 } 4502 } 4503 4504 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 4505 if (callingUid == Process.SHELL_UID) { 4506 if (userHandle >= 0 4507 && sUserManager.hasUserRestriction(restriction, userHandle)) { 4508 throw new SecurityException("Shell does not have permission to access user " 4509 + userHandle); 4510 } else if (userHandle < 0) { 4511 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 4512 + Debug.getCallers(3)); 4513 } 4514 } 4515 } 4516 4517 private BasePermission findPermissionTreeLP(String permName) { 4518 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 4519 if (permName.startsWith(bp.name) && 4520 permName.length() > bp.name.length() && 4521 permName.charAt(bp.name.length()) == '.') { 4522 return bp; 4523 } 4524 } 4525 return null; 4526 } 4527 4528 private BasePermission checkPermissionTreeLP(String permName) { 4529 if (permName != null) { 4530 BasePermission bp = findPermissionTreeLP(permName); 4531 if (bp != null) { 4532 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 4533 return bp; 4534 } 4535 throw new SecurityException("Calling uid " 4536 + Binder.getCallingUid() 4537 + " is not allowed to add to permission tree " 4538 + bp.name + " owned by uid " + bp.uid); 4539 } 4540 } 4541 throw new SecurityException("No permission tree found for " + permName); 4542 } 4543 4544 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4545 if (s1 == null) { 4546 return s2 == null; 4547 } 4548 if (s2 == null) { 4549 return false; 4550 } 4551 if (s1.getClass() != s2.getClass()) { 4552 return false; 4553 } 4554 return s1.equals(s2); 4555 } 4556 4557 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4558 if (pi1.icon != pi2.icon) return false; 4559 if (pi1.logo != pi2.logo) return false; 4560 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4561 if (!compareStrings(pi1.name, pi2.name)) return false; 4562 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4563 // We'll take care of setting this one. 4564 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4565 // These are not currently stored in settings. 4566 //if (!compareStrings(pi1.group, pi2.group)) return false; 4567 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4568 //if (pi1.labelRes != pi2.labelRes) return false; 4569 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4570 return true; 4571 } 4572 4573 int permissionInfoFootprint(PermissionInfo info) { 4574 int size = info.name.length(); 4575 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4576 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4577 return size; 4578 } 4579 4580 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4581 int size = 0; 4582 for (BasePermission perm : mSettings.mPermissions.values()) { 4583 if (perm.uid == tree.uid) { 4584 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4585 } 4586 } 4587 return size; 4588 } 4589 4590 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4591 // We calculate the max size of permissions defined by this uid and throw 4592 // if that plus the size of 'info' would exceed our stated maximum. 4593 if (tree.uid != Process.SYSTEM_UID) { 4594 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4595 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4596 throw new SecurityException("Permission tree size cap exceeded"); 4597 } 4598 } 4599 } 4600 4601 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4602 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4603 throw new SecurityException("Label must be specified in permission"); 4604 } 4605 BasePermission tree = checkPermissionTreeLP(info.name); 4606 BasePermission bp = mSettings.mPermissions.get(info.name); 4607 boolean added = bp == null; 4608 boolean changed = true; 4609 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4610 if (added) { 4611 enforcePermissionCapLocked(info, tree); 4612 bp = new BasePermission(info.name, tree.sourcePackage, 4613 BasePermission.TYPE_DYNAMIC); 4614 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4615 throw new SecurityException( 4616 "Not allowed to modify non-dynamic permission " 4617 + info.name); 4618 } else { 4619 if (bp.protectionLevel == fixedLevel 4620 && bp.perm.owner.equals(tree.perm.owner) 4621 && bp.uid == tree.uid 4622 && comparePermissionInfos(bp.perm.info, info)) { 4623 changed = false; 4624 } 4625 } 4626 bp.protectionLevel = fixedLevel; 4627 info = new PermissionInfo(info); 4628 info.protectionLevel = fixedLevel; 4629 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4630 bp.perm.info.packageName = tree.perm.info.packageName; 4631 bp.uid = tree.uid; 4632 if (added) { 4633 mSettings.mPermissions.put(info.name, bp); 4634 } 4635 if (changed) { 4636 if (!async) { 4637 mSettings.writeLPr(); 4638 } else { 4639 scheduleWriteSettingsLocked(); 4640 } 4641 } 4642 return added; 4643 } 4644 4645 @Override 4646 public boolean addPermission(PermissionInfo info) { 4647 synchronized (mPackages) { 4648 return addPermissionLocked(info, false); 4649 } 4650 } 4651 4652 @Override 4653 public boolean addPermissionAsync(PermissionInfo info) { 4654 synchronized (mPackages) { 4655 return addPermissionLocked(info, true); 4656 } 4657 } 4658 4659 @Override 4660 public void removePermission(String name) { 4661 synchronized (mPackages) { 4662 checkPermissionTreeLP(name); 4663 BasePermission bp = mSettings.mPermissions.get(name); 4664 if (bp != null) { 4665 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4666 throw new SecurityException( 4667 "Not allowed to modify non-dynamic permission " 4668 + name); 4669 } 4670 mSettings.mPermissions.remove(name); 4671 mSettings.writeLPr(); 4672 } 4673 } 4674 } 4675 4676 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4677 BasePermission bp) { 4678 int index = pkg.requestedPermissions.indexOf(bp.name); 4679 if (index == -1) { 4680 throw new SecurityException("Package " + pkg.packageName 4681 + " has not requested permission " + bp.name); 4682 } 4683 if (!bp.isRuntime() && !bp.isDevelopment()) { 4684 throw new SecurityException("Permission " + bp.name 4685 + " is not a changeable permission type"); 4686 } 4687 } 4688 4689 @Override 4690 public void grantRuntimePermission(String packageName, String name, final int userId) { 4691 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4692 } 4693 4694 private void grantRuntimePermission(String packageName, String name, final int userId, 4695 boolean overridePolicy) { 4696 if (!sUserManager.exists(userId)) { 4697 Log.e(TAG, "No such user:" + userId); 4698 return; 4699 } 4700 4701 mContext.enforceCallingOrSelfPermission( 4702 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4703 "grantRuntimePermission"); 4704 4705 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4706 true /* requireFullPermission */, true /* checkShell */, 4707 "grantRuntimePermission"); 4708 4709 final int uid; 4710 final SettingBase sb; 4711 4712 synchronized (mPackages) { 4713 final PackageParser.Package pkg = mPackages.get(packageName); 4714 if (pkg == null) { 4715 throw new IllegalArgumentException("Unknown package: " + packageName); 4716 } 4717 4718 final BasePermission bp = mSettings.mPermissions.get(name); 4719 if (bp == null) { 4720 throw new IllegalArgumentException("Unknown permission: " + name); 4721 } 4722 4723 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4724 4725 // If a permission review is required for legacy apps we represent 4726 // their permissions as always granted runtime ones since we need 4727 // to keep the review required permission flag per user while an 4728 // install permission's state is shared across all users. 4729 if (mPermissionReviewRequired 4730 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4731 && bp.isRuntime()) { 4732 return; 4733 } 4734 4735 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4736 sb = (SettingBase) pkg.mExtras; 4737 if (sb == null) { 4738 throw new IllegalArgumentException("Unknown package: " + packageName); 4739 } 4740 4741 final PermissionsState permissionsState = sb.getPermissionsState(); 4742 4743 final int flags = permissionsState.getPermissionFlags(name, userId); 4744 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4745 throw new SecurityException("Cannot grant system fixed permission " 4746 + name + " for package " + packageName); 4747 } 4748 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4749 throw new SecurityException("Cannot grant policy fixed permission " 4750 + name + " for package " + packageName); 4751 } 4752 4753 if (bp.isDevelopment()) { 4754 // Development permissions must be handled specially, since they are not 4755 // normal runtime permissions. For now they apply to all users. 4756 if (permissionsState.grantInstallPermission(bp) != 4757 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4758 scheduleWriteSettingsLocked(); 4759 } 4760 return; 4761 } 4762 4763 final PackageSetting ps = mSettings.mPackages.get(packageName); 4764 if (ps.getInstantApp(userId) && !bp.isInstant()) { 4765 throw new SecurityException("Cannot grant non-ephemeral permission" 4766 + name + " for package " + packageName); 4767 } 4768 4769 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4770 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4771 return; 4772 } 4773 4774 final int result = permissionsState.grantRuntimePermission(bp, userId); 4775 switch (result) { 4776 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4777 return; 4778 } 4779 4780 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4781 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4782 mHandler.post(new Runnable() { 4783 @Override 4784 public void run() { 4785 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4786 } 4787 }); 4788 } 4789 break; 4790 } 4791 4792 if (bp.isRuntime()) { 4793 logPermissionGranted(mContext, name, packageName); 4794 } 4795 4796 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4797 4798 // Not critical if that is lost - app has to request again. 4799 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4800 } 4801 4802 // Only need to do this if user is initialized. Otherwise it's a new user 4803 // and there are no processes running as the user yet and there's no need 4804 // to make an expensive call to remount processes for the changed permissions. 4805 if (READ_EXTERNAL_STORAGE.equals(name) 4806 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4807 final long token = Binder.clearCallingIdentity(); 4808 try { 4809 if (sUserManager.isInitialized(userId)) { 4810 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4811 StorageManagerInternal.class); 4812 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4813 } 4814 } finally { 4815 Binder.restoreCallingIdentity(token); 4816 } 4817 } 4818 } 4819 4820 @Override 4821 public void revokeRuntimePermission(String packageName, String name, int userId) { 4822 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4823 } 4824 4825 private void revokeRuntimePermission(String packageName, String name, int userId, 4826 boolean overridePolicy) { 4827 if (!sUserManager.exists(userId)) { 4828 Log.e(TAG, "No such user:" + userId); 4829 return; 4830 } 4831 4832 mContext.enforceCallingOrSelfPermission( 4833 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4834 "revokeRuntimePermission"); 4835 4836 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4837 true /* requireFullPermission */, true /* checkShell */, 4838 "revokeRuntimePermission"); 4839 4840 final int appId; 4841 4842 synchronized (mPackages) { 4843 final PackageParser.Package pkg = mPackages.get(packageName); 4844 if (pkg == null) { 4845 throw new IllegalArgumentException("Unknown package: " + packageName); 4846 } 4847 4848 final BasePermission bp = mSettings.mPermissions.get(name); 4849 if (bp == null) { 4850 throw new IllegalArgumentException("Unknown permission: " + name); 4851 } 4852 4853 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4854 4855 // If a permission review is required for legacy apps we represent 4856 // their permissions as always granted runtime ones since we need 4857 // to keep the review required permission flag per user while an 4858 // install permission's state is shared across all users. 4859 if (mPermissionReviewRequired 4860 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4861 && bp.isRuntime()) { 4862 return; 4863 } 4864 4865 SettingBase sb = (SettingBase) pkg.mExtras; 4866 if (sb == null) { 4867 throw new IllegalArgumentException("Unknown package: " + packageName); 4868 } 4869 4870 final PermissionsState permissionsState = sb.getPermissionsState(); 4871 4872 final int flags = permissionsState.getPermissionFlags(name, userId); 4873 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4874 throw new SecurityException("Cannot revoke system fixed permission " 4875 + name + " for package " + packageName); 4876 } 4877 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4878 throw new SecurityException("Cannot revoke policy fixed permission " 4879 + name + " for package " + packageName); 4880 } 4881 4882 if (bp.isDevelopment()) { 4883 // Development permissions must be handled specially, since they are not 4884 // normal runtime permissions. For now they apply to all users. 4885 if (permissionsState.revokeInstallPermission(bp) != 4886 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4887 scheduleWriteSettingsLocked(); 4888 } 4889 return; 4890 } 4891 4892 if (permissionsState.revokeRuntimePermission(bp, userId) == 4893 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4894 return; 4895 } 4896 4897 if (bp.isRuntime()) { 4898 logPermissionRevoked(mContext, name, packageName); 4899 } 4900 4901 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4902 4903 // Critical, after this call app should never have the permission. 4904 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4905 4906 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4907 } 4908 4909 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4910 } 4911 4912 /** 4913 * Get the first event id for the permission. 4914 * 4915 * <p>There are four events for each permission: <ul> 4916 * <li>Request permission: first id + 0</li> 4917 * <li>Grant permission: first id + 1</li> 4918 * <li>Request for permission denied: first id + 2</li> 4919 * <li>Revoke permission: first id + 3</li> 4920 * </ul></p> 4921 * 4922 * @param name name of the permission 4923 * 4924 * @return The first event id for the permission 4925 */ 4926 private static int getBaseEventId(@NonNull String name) { 4927 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 4928 4929 if (eventIdIndex == -1) { 4930 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 4931 || "user".equals(Build.TYPE)) { 4932 Log.i(TAG, "Unknown permission " + name); 4933 4934 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 4935 } else { 4936 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 4937 // 4938 // Also update 4939 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 4940 // - metrics_constants.proto 4941 throw new IllegalStateException("Unknown permission " + name); 4942 } 4943 } 4944 4945 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 4946 } 4947 4948 /** 4949 * Log that a permission was revoked. 4950 * 4951 * @param context Context of the caller 4952 * @param name name of the permission 4953 * @param packageName package permission if for 4954 */ 4955 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 4956 @NonNull String packageName) { 4957 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 4958 } 4959 4960 /** 4961 * Log that a permission request was granted. 4962 * 4963 * @param context Context of the caller 4964 * @param name name of the permission 4965 * @param packageName package permission if for 4966 */ 4967 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 4968 @NonNull String packageName) { 4969 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 4970 } 4971 4972 @Override 4973 public void resetRuntimePermissions() { 4974 mContext.enforceCallingOrSelfPermission( 4975 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4976 "revokeRuntimePermission"); 4977 4978 int callingUid = Binder.getCallingUid(); 4979 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4980 mContext.enforceCallingOrSelfPermission( 4981 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4982 "resetRuntimePermissions"); 4983 } 4984 4985 synchronized (mPackages) { 4986 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4987 for (int userId : UserManagerService.getInstance().getUserIds()) { 4988 final int packageCount = mPackages.size(); 4989 for (int i = 0; i < packageCount; i++) { 4990 PackageParser.Package pkg = mPackages.valueAt(i); 4991 if (!(pkg.mExtras instanceof PackageSetting)) { 4992 continue; 4993 } 4994 PackageSetting ps = (PackageSetting) pkg.mExtras; 4995 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4996 } 4997 } 4998 } 4999 } 5000 5001 @Override 5002 public int getPermissionFlags(String name, String packageName, int userId) { 5003 if (!sUserManager.exists(userId)) { 5004 return 0; 5005 } 5006 5007 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 5008 5009 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5010 true /* requireFullPermission */, false /* checkShell */, 5011 "getPermissionFlags"); 5012 5013 synchronized (mPackages) { 5014 final PackageParser.Package pkg = mPackages.get(packageName); 5015 if (pkg == null) { 5016 return 0; 5017 } 5018 5019 final BasePermission bp = mSettings.mPermissions.get(name); 5020 if (bp == null) { 5021 return 0; 5022 } 5023 5024 SettingBase sb = (SettingBase) pkg.mExtras; 5025 if (sb == null) { 5026 return 0; 5027 } 5028 5029 PermissionsState permissionsState = sb.getPermissionsState(); 5030 return permissionsState.getPermissionFlags(name, userId); 5031 } 5032 } 5033 5034 @Override 5035 public void updatePermissionFlags(String name, String packageName, int flagMask, 5036 int flagValues, int userId) { 5037 if (!sUserManager.exists(userId)) { 5038 return; 5039 } 5040 5041 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 5042 5043 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5044 true /* requireFullPermission */, true /* checkShell */, 5045 "updatePermissionFlags"); 5046 5047 // Only the system can change these flags and nothing else. 5048 if (getCallingUid() != Process.SYSTEM_UID) { 5049 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5050 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5051 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5052 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5053 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 5054 } 5055 5056 synchronized (mPackages) { 5057 final PackageParser.Package pkg = mPackages.get(packageName); 5058 if (pkg == null) { 5059 throw new IllegalArgumentException("Unknown package: " + packageName); 5060 } 5061 5062 final BasePermission bp = mSettings.mPermissions.get(name); 5063 if (bp == null) { 5064 throw new IllegalArgumentException("Unknown permission: " + name); 5065 } 5066 5067 SettingBase sb = (SettingBase) pkg.mExtras; 5068 if (sb == null) { 5069 throw new IllegalArgumentException("Unknown package: " + packageName); 5070 } 5071 5072 PermissionsState permissionsState = sb.getPermissionsState(); 5073 5074 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 5075 5076 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 5077 // Install and runtime permissions are stored in different places, 5078 // so figure out what permission changed and persist the change. 5079 if (permissionsState.getInstallPermissionState(name) != null) { 5080 scheduleWriteSettingsLocked(); 5081 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 5082 || hadState) { 5083 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5084 } 5085 } 5086 } 5087 } 5088 5089 /** 5090 * Update the permission flags for all packages and runtime permissions of a user in order 5091 * to allow device or profile owner to remove POLICY_FIXED. 5092 */ 5093 @Override 5094 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5095 if (!sUserManager.exists(userId)) { 5096 return; 5097 } 5098 5099 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 5100 5101 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5102 true /* requireFullPermission */, true /* checkShell */, 5103 "updatePermissionFlagsForAllApps"); 5104 5105 // Only the system can change system fixed flags. 5106 if (getCallingUid() != Process.SYSTEM_UID) { 5107 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5108 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5109 } 5110 5111 synchronized (mPackages) { 5112 boolean changed = false; 5113 final int packageCount = mPackages.size(); 5114 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 5115 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 5116 SettingBase sb = (SettingBase) pkg.mExtras; 5117 if (sb == null) { 5118 continue; 5119 } 5120 PermissionsState permissionsState = sb.getPermissionsState(); 5121 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 5122 userId, flagMask, flagValues); 5123 } 5124 if (changed) { 5125 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5126 } 5127 } 5128 } 5129 5130 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 5131 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 5132 != PackageManager.PERMISSION_GRANTED 5133 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 5134 != PackageManager.PERMISSION_GRANTED) { 5135 throw new SecurityException(message + " requires " 5136 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 5137 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 5138 } 5139 } 5140 5141 @Override 5142 public boolean shouldShowRequestPermissionRationale(String permissionName, 5143 String packageName, int userId) { 5144 if (UserHandle.getCallingUserId() != userId) { 5145 mContext.enforceCallingPermission( 5146 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5147 "canShowRequestPermissionRationale for user " + userId); 5148 } 5149 5150 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5151 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5152 return false; 5153 } 5154 5155 if (checkPermission(permissionName, packageName, userId) 5156 == PackageManager.PERMISSION_GRANTED) { 5157 return false; 5158 } 5159 5160 final int flags; 5161 5162 final long identity = Binder.clearCallingIdentity(); 5163 try { 5164 flags = getPermissionFlags(permissionName, 5165 packageName, userId); 5166 } finally { 5167 Binder.restoreCallingIdentity(identity); 5168 } 5169 5170 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5171 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5172 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5173 5174 if ((flags & fixedFlags) != 0) { 5175 return false; 5176 } 5177 5178 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5179 } 5180 5181 @Override 5182 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5183 mContext.enforceCallingOrSelfPermission( 5184 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5185 "addOnPermissionsChangeListener"); 5186 5187 synchronized (mPackages) { 5188 mOnPermissionChangeListeners.addListenerLocked(listener); 5189 } 5190 } 5191 5192 @Override 5193 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5194 synchronized (mPackages) { 5195 mOnPermissionChangeListeners.removeListenerLocked(listener); 5196 } 5197 } 5198 5199 @Override 5200 public boolean isProtectedBroadcast(String actionName) { 5201 synchronized (mPackages) { 5202 if (mProtectedBroadcasts.contains(actionName)) { 5203 return true; 5204 } else if (actionName != null) { 5205 // TODO: remove these terrible hacks 5206 if (actionName.startsWith("android.net.netmon.lingerExpired") 5207 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5208 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5209 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5210 return true; 5211 } 5212 } 5213 } 5214 return false; 5215 } 5216 5217 @Override 5218 public int checkSignatures(String pkg1, String pkg2) { 5219 synchronized (mPackages) { 5220 final PackageParser.Package p1 = mPackages.get(pkg1); 5221 final PackageParser.Package p2 = mPackages.get(pkg2); 5222 if (p1 == null || p1.mExtras == null 5223 || p2 == null || p2.mExtras == null) { 5224 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5225 } 5226 return compareSignatures(p1.mSignatures, p2.mSignatures); 5227 } 5228 } 5229 5230 @Override 5231 public int checkUidSignatures(int uid1, int uid2) { 5232 // Map to base uids. 5233 uid1 = UserHandle.getAppId(uid1); 5234 uid2 = UserHandle.getAppId(uid2); 5235 // reader 5236 synchronized (mPackages) { 5237 Signature[] s1; 5238 Signature[] s2; 5239 Object obj = mSettings.getUserIdLPr(uid1); 5240 if (obj != null) { 5241 if (obj instanceof SharedUserSetting) { 5242 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5243 } else if (obj instanceof PackageSetting) { 5244 s1 = ((PackageSetting)obj).signatures.mSignatures; 5245 } else { 5246 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5247 } 5248 } else { 5249 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5250 } 5251 obj = mSettings.getUserIdLPr(uid2); 5252 if (obj != null) { 5253 if (obj instanceof SharedUserSetting) { 5254 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5255 } else if (obj instanceof PackageSetting) { 5256 s2 = ((PackageSetting)obj).signatures.mSignatures; 5257 } else { 5258 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5259 } 5260 } else { 5261 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5262 } 5263 return compareSignatures(s1, s2); 5264 } 5265 } 5266 5267 /** 5268 * This method should typically only be used when granting or revoking 5269 * permissions, since the app may immediately restart after this call. 5270 * <p> 5271 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5272 * guard your work against the app being relaunched. 5273 */ 5274 private void killUid(int appId, int userId, String reason) { 5275 final long identity = Binder.clearCallingIdentity(); 5276 try { 5277 IActivityManager am = ActivityManager.getService(); 5278 if (am != null) { 5279 try { 5280 am.killUid(appId, userId, reason); 5281 } catch (RemoteException e) { 5282 /* ignore - same process */ 5283 } 5284 } 5285 } finally { 5286 Binder.restoreCallingIdentity(identity); 5287 } 5288 } 5289 5290 /** 5291 * Compares two sets of signatures. Returns: 5292 * <br /> 5293 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 5294 * <br /> 5295 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 5296 * <br /> 5297 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 5298 * <br /> 5299 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 5300 * <br /> 5301 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 5302 */ 5303 static int compareSignatures(Signature[] s1, Signature[] s2) { 5304 if (s1 == null) { 5305 return s2 == null 5306 ? PackageManager.SIGNATURE_NEITHER_SIGNED 5307 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 5308 } 5309 5310 if (s2 == null) { 5311 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 5312 } 5313 5314 if (s1.length != s2.length) { 5315 return PackageManager.SIGNATURE_NO_MATCH; 5316 } 5317 5318 // Since both signature sets are of size 1, we can compare without HashSets. 5319 if (s1.length == 1) { 5320 return s1[0].equals(s2[0]) ? 5321 PackageManager.SIGNATURE_MATCH : 5322 PackageManager.SIGNATURE_NO_MATCH; 5323 } 5324 5325 ArraySet<Signature> set1 = new ArraySet<Signature>(); 5326 for (Signature sig : s1) { 5327 set1.add(sig); 5328 } 5329 ArraySet<Signature> set2 = new ArraySet<Signature>(); 5330 for (Signature sig : s2) { 5331 set2.add(sig); 5332 } 5333 // Make sure s2 contains all signatures in s1. 5334 if (set1.equals(set2)) { 5335 return PackageManager.SIGNATURE_MATCH; 5336 } 5337 return PackageManager.SIGNATURE_NO_MATCH; 5338 } 5339 5340 /** 5341 * If the database version for this type of package (internal storage or 5342 * external storage) is less than the version where package signatures 5343 * were updated, return true. 5344 */ 5345 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5346 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5347 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5348 } 5349 5350 /** 5351 * Used for backward compatibility to make sure any packages with 5352 * certificate chains get upgraded to the new style. {@code existingSigs} 5353 * will be in the old format (since they were stored on disk from before the 5354 * system upgrade) and {@code scannedSigs} will be in the newer format. 5355 */ 5356 private int compareSignaturesCompat(PackageSignatures existingSigs, 5357 PackageParser.Package scannedPkg) { 5358 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 5359 return PackageManager.SIGNATURE_NO_MATCH; 5360 } 5361 5362 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 5363 for (Signature sig : existingSigs.mSignatures) { 5364 existingSet.add(sig); 5365 } 5366 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 5367 for (Signature sig : scannedPkg.mSignatures) { 5368 try { 5369 Signature[] chainSignatures = sig.getChainSignatures(); 5370 for (Signature chainSig : chainSignatures) { 5371 scannedCompatSet.add(chainSig); 5372 } 5373 } catch (CertificateEncodingException e) { 5374 scannedCompatSet.add(sig); 5375 } 5376 } 5377 /* 5378 * Make sure the expanded scanned set contains all signatures in the 5379 * existing one. 5380 */ 5381 if (scannedCompatSet.equals(existingSet)) { 5382 // Migrate the old signatures to the new scheme. 5383 existingSigs.assignSignatures(scannedPkg.mSignatures); 5384 // The new KeySets will be re-added later in the scanning process. 5385 synchronized (mPackages) { 5386 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 5387 } 5388 return PackageManager.SIGNATURE_MATCH; 5389 } 5390 return PackageManager.SIGNATURE_NO_MATCH; 5391 } 5392 5393 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5394 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5395 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5396 } 5397 5398 private int compareSignaturesRecover(PackageSignatures existingSigs, 5399 PackageParser.Package scannedPkg) { 5400 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 5401 return PackageManager.SIGNATURE_NO_MATCH; 5402 } 5403 5404 String msg = null; 5405 try { 5406 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 5407 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 5408 + scannedPkg.packageName); 5409 return PackageManager.SIGNATURE_MATCH; 5410 } 5411 } catch (CertificateException e) { 5412 msg = e.getMessage(); 5413 } 5414 5415 logCriticalInfo(Log.INFO, 5416 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 5417 return PackageManager.SIGNATURE_NO_MATCH; 5418 } 5419 5420 @Override 5421 public List<String> getAllPackages() { 5422 synchronized (mPackages) { 5423 return new ArrayList<String>(mPackages.keySet()); 5424 } 5425 } 5426 5427 @Override 5428 public String[] getPackagesForUid(int uid) { 5429 final int userId = UserHandle.getUserId(uid); 5430 uid = UserHandle.getAppId(uid); 5431 // reader 5432 synchronized (mPackages) { 5433 Object obj = mSettings.getUserIdLPr(uid); 5434 if (obj instanceof SharedUserSetting) { 5435 final SharedUserSetting sus = (SharedUserSetting) obj; 5436 final int N = sus.packages.size(); 5437 String[] res = new String[N]; 5438 final Iterator<PackageSetting> it = sus.packages.iterator(); 5439 int i = 0; 5440 while (it.hasNext()) { 5441 PackageSetting ps = it.next(); 5442 if (ps.getInstalled(userId)) { 5443 res[i++] = ps.name; 5444 } else { 5445 res = ArrayUtils.removeElement(String.class, res, res[i]); 5446 } 5447 } 5448 return res; 5449 } else if (obj instanceof PackageSetting) { 5450 final PackageSetting ps = (PackageSetting) obj; 5451 if (ps.getInstalled(userId)) { 5452 return new String[]{ps.name}; 5453 } 5454 } 5455 } 5456 return null; 5457 } 5458 5459 @Override 5460 public String getNameForUid(int uid) { 5461 // reader 5462 synchronized (mPackages) { 5463 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5464 if (obj instanceof SharedUserSetting) { 5465 final SharedUserSetting sus = (SharedUserSetting) obj; 5466 return sus.name + ":" + sus.userId; 5467 } else if (obj instanceof PackageSetting) { 5468 final PackageSetting ps = (PackageSetting) obj; 5469 return ps.name; 5470 } 5471 } 5472 return null; 5473 } 5474 5475 @Override 5476 public int getUidForSharedUser(String sharedUserName) { 5477 if(sharedUserName == null) { 5478 return -1; 5479 } 5480 // reader 5481 synchronized (mPackages) { 5482 SharedUserSetting suid; 5483 try { 5484 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5485 if (suid != null) { 5486 return suid.userId; 5487 } 5488 } catch (PackageManagerException ignore) { 5489 // can't happen, but, still need to catch it 5490 } 5491 return -1; 5492 } 5493 } 5494 5495 @Override 5496 public int getFlagsForUid(int uid) { 5497 synchronized (mPackages) { 5498 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5499 if (obj instanceof SharedUserSetting) { 5500 final SharedUserSetting sus = (SharedUserSetting) obj; 5501 return sus.pkgFlags; 5502 } else if (obj instanceof PackageSetting) { 5503 final PackageSetting ps = (PackageSetting) obj; 5504 return ps.pkgFlags; 5505 } 5506 } 5507 return 0; 5508 } 5509 5510 @Override 5511 public int getPrivateFlagsForUid(int uid) { 5512 synchronized (mPackages) { 5513 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5514 if (obj instanceof SharedUserSetting) { 5515 final SharedUserSetting sus = (SharedUserSetting) obj; 5516 return sus.pkgPrivateFlags; 5517 } else if (obj instanceof PackageSetting) { 5518 final PackageSetting ps = (PackageSetting) obj; 5519 return ps.pkgPrivateFlags; 5520 } 5521 } 5522 return 0; 5523 } 5524 5525 @Override 5526 public boolean isUidPrivileged(int uid) { 5527 uid = UserHandle.getAppId(uid); 5528 // reader 5529 synchronized (mPackages) { 5530 Object obj = mSettings.getUserIdLPr(uid); 5531 if (obj instanceof SharedUserSetting) { 5532 final SharedUserSetting sus = (SharedUserSetting) obj; 5533 final Iterator<PackageSetting> it = sus.packages.iterator(); 5534 while (it.hasNext()) { 5535 if (it.next().isPrivileged()) { 5536 return true; 5537 } 5538 } 5539 } else if (obj instanceof PackageSetting) { 5540 final PackageSetting ps = (PackageSetting) obj; 5541 return ps.isPrivileged(); 5542 } 5543 } 5544 return false; 5545 } 5546 5547 @Override 5548 public String[] getAppOpPermissionPackages(String permissionName) { 5549 synchronized (mPackages) { 5550 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 5551 if (pkgs == null) { 5552 return null; 5553 } 5554 return pkgs.toArray(new String[pkgs.size()]); 5555 } 5556 } 5557 5558 @Override 5559 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5560 int flags, int userId) { 5561 try { 5562 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5563 5564 if (!sUserManager.exists(userId)) return null; 5565 flags = updateFlagsForResolve(flags, userId, intent); 5566 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5567 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5568 5569 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5570 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5571 flags, userId); 5572 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5573 5574 final ResolveInfo bestChoice = 5575 chooseBestActivity(intent, resolvedType, flags, query, userId); 5576 return bestChoice; 5577 } finally { 5578 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5579 } 5580 } 5581 5582 @Override 5583 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5584 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5585 throw new SecurityException( 5586 "findPersistentPreferredActivity can only be run by the system"); 5587 } 5588 if (!sUserManager.exists(userId)) { 5589 return null; 5590 } 5591 intent = updateIntentForResolve(intent); 5592 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5593 final int flags = updateFlagsForResolve(0, userId, intent); 5594 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5595 userId); 5596 synchronized (mPackages) { 5597 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5598 userId); 5599 } 5600 } 5601 5602 @Override 5603 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5604 IntentFilter filter, int match, ComponentName activity) { 5605 final int userId = UserHandle.getCallingUserId(); 5606 if (DEBUG_PREFERRED) { 5607 Log.v(TAG, "setLastChosenActivity intent=" + intent 5608 + " resolvedType=" + resolvedType 5609 + " flags=" + flags 5610 + " filter=" + filter 5611 + " match=" + match 5612 + " activity=" + activity); 5613 filter.dump(new PrintStreamPrinter(System.out), " "); 5614 } 5615 intent.setComponent(null); 5616 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5617 userId); 5618 // Find any earlier preferred or last chosen entries and nuke them 5619 findPreferredActivity(intent, resolvedType, 5620 flags, query, 0, false, true, false, userId); 5621 // Add the new activity as the last chosen for this filter 5622 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5623 "Setting last chosen"); 5624 } 5625 5626 @Override 5627 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5628 final int userId = UserHandle.getCallingUserId(); 5629 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5630 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5631 userId); 5632 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5633 false, false, false, userId); 5634 } 5635 5636 /** 5637 * Returns whether or not instant apps have been disabled remotely. 5638 * <p><em>IMPORTANT</em> This should not be called with the package manager lock 5639 * held. Otherwise we run the risk of deadlock. 5640 */ 5641 private boolean isEphemeralDisabled() { 5642 // ephemeral apps have been disabled across the board 5643 if (DISABLE_EPHEMERAL_APPS) { 5644 return true; 5645 } 5646 // system isn't up yet; can't read settings, so, assume no ephemeral apps 5647 if (!mSystemReady) { 5648 return true; 5649 } 5650 // we can't get a content resolver until the system is ready; these checks must happen last 5651 final ContentResolver resolver = mContext.getContentResolver(); 5652 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 5653 return true; 5654 } 5655 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 5656 } 5657 5658 private boolean isEphemeralAllowed( 5659 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5660 boolean skipPackageCheck) { 5661 final int callingUser = UserHandle.getCallingUserId(); 5662 if (callingUser != UserHandle.USER_SYSTEM) { 5663 return false; 5664 } 5665 if (mInstantAppResolverConnection == null) { 5666 return false; 5667 } 5668 if (mInstantAppInstallerComponent == null) { 5669 return false; 5670 } 5671 if (intent.getComponent() != null) { 5672 return false; 5673 } 5674 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5675 return false; 5676 } 5677 if (!skipPackageCheck && intent.getPackage() != null) { 5678 return false; 5679 } 5680 final boolean isWebUri = hasWebURI(intent); 5681 if (!isWebUri || intent.getData().getHost() == null) { 5682 return false; 5683 } 5684 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5685 // Or if there's already an ephemeral app installed that handles the action 5686 synchronized (mPackages) { 5687 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5688 for (int n = 0; n < count; n++) { 5689 ResolveInfo info = resolvedActivities.get(n); 5690 String packageName = info.activityInfo.packageName; 5691 PackageSetting ps = mSettings.mPackages.get(packageName); 5692 if (ps != null) { 5693 // Try to get the status from User settings first 5694 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5695 int status = (int) (packedStatus >> 32); 5696 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5697 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5698 if (DEBUG_EPHEMERAL) { 5699 Slog.v(TAG, "DENY ephemeral apps;" 5700 + " pkg: " + packageName + ", status: " + status); 5701 } 5702 return false; 5703 } 5704 if (ps.getInstantApp(userId)) { 5705 return false; 5706 } 5707 } 5708 } 5709 } 5710 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5711 return true; 5712 } 5713 5714 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 5715 Intent origIntent, String resolvedType, String callingPackage, 5716 int userId) { 5717 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 5718 new EphemeralRequest(responseObj, origIntent, resolvedType, 5719 callingPackage, userId)); 5720 mHandler.sendMessage(msg); 5721 } 5722 5723 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5724 int flags, List<ResolveInfo> query, int userId) { 5725 if (query != null) { 5726 final int N = query.size(); 5727 if (N == 1) { 5728 return query.get(0); 5729 } else if (N > 1) { 5730 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5731 // If there is more than one activity with the same priority, 5732 // then let the user decide between them. 5733 ResolveInfo r0 = query.get(0); 5734 ResolveInfo r1 = query.get(1); 5735 if (DEBUG_INTENT_MATCHING || debug) { 5736 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5737 + r1.activityInfo.name + "=" + r1.priority); 5738 } 5739 // If the first activity has a higher priority, or a different 5740 // default, then it is always desirable to pick it. 5741 if (r0.priority != r1.priority 5742 || r0.preferredOrder != r1.preferredOrder 5743 || r0.isDefault != r1.isDefault) { 5744 return query.get(0); 5745 } 5746 // If we have saved a preference for a preferred activity for 5747 // this Intent, use that. 5748 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5749 flags, query, r0.priority, true, false, debug, userId); 5750 if (ri != null) { 5751 return ri; 5752 } 5753 ri = new ResolveInfo(mResolveInfo); 5754 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5755 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5756 // If all of the options come from the same package, show the application's 5757 // label and icon instead of the generic resolver's. 5758 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5759 // and then throw away the ResolveInfo itself, meaning that the caller loses 5760 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5761 // a fallback for this case; we only set the target package's resources on 5762 // the ResolveInfo, not the ActivityInfo. 5763 final String intentPackage = intent.getPackage(); 5764 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5765 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5766 ri.resolvePackageName = intentPackage; 5767 if (userNeedsBadging(userId)) { 5768 ri.noResourceId = true; 5769 } else { 5770 ri.icon = appi.icon; 5771 } 5772 ri.iconResourceId = appi.icon; 5773 ri.labelRes = appi.labelRes; 5774 } 5775 ri.activityInfo.applicationInfo = new ApplicationInfo( 5776 ri.activityInfo.applicationInfo); 5777 if (userId != 0) { 5778 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5779 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5780 } 5781 // Make sure that the resolver is displayable in car mode 5782 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5783 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5784 return ri; 5785 } 5786 } 5787 return null; 5788 } 5789 5790 /** 5791 * Return true if the given list is not empty and all of its contents have 5792 * an activityInfo with the given package name. 5793 */ 5794 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5795 if (ArrayUtils.isEmpty(list)) { 5796 return false; 5797 } 5798 for (int i = 0, N = list.size(); i < N; i++) { 5799 final ResolveInfo ri = list.get(i); 5800 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5801 if (ai == null || !packageName.equals(ai.packageName)) { 5802 return false; 5803 } 5804 } 5805 return true; 5806 } 5807 5808 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5809 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5810 final int N = query.size(); 5811 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5812 .get(userId); 5813 // Get the list of persistent preferred activities that handle the intent 5814 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5815 List<PersistentPreferredActivity> pprefs = ppir != null 5816 ? ppir.queryIntent(intent, resolvedType, 5817 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5818 userId) 5819 : null; 5820 if (pprefs != null && pprefs.size() > 0) { 5821 final int M = pprefs.size(); 5822 for (int i=0; i<M; i++) { 5823 final PersistentPreferredActivity ppa = pprefs.get(i); 5824 if (DEBUG_PREFERRED || debug) { 5825 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5826 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5827 + "\n component=" + ppa.mComponent); 5828 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5829 } 5830 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5831 flags | MATCH_DISABLED_COMPONENTS, userId); 5832 if (DEBUG_PREFERRED || debug) { 5833 Slog.v(TAG, "Found persistent preferred activity:"); 5834 if (ai != null) { 5835 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5836 } else { 5837 Slog.v(TAG, " null"); 5838 } 5839 } 5840 if (ai == null) { 5841 // This previously registered persistent preferred activity 5842 // component is no longer known. Ignore it and do NOT remove it. 5843 continue; 5844 } 5845 for (int j=0; j<N; j++) { 5846 final ResolveInfo ri = query.get(j); 5847 if (!ri.activityInfo.applicationInfo.packageName 5848 .equals(ai.applicationInfo.packageName)) { 5849 continue; 5850 } 5851 if (!ri.activityInfo.name.equals(ai.name)) { 5852 continue; 5853 } 5854 // Found a persistent preference that can handle the intent. 5855 if (DEBUG_PREFERRED || debug) { 5856 Slog.v(TAG, "Returning persistent preferred activity: " + 5857 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5858 } 5859 return ri; 5860 } 5861 } 5862 } 5863 return null; 5864 } 5865 5866 // TODO: handle preferred activities missing while user has amnesia 5867 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5868 List<ResolveInfo> query, int priority, boolean always, 5869 boolean removeMatches, boolean debug, int userId) { 5870 if (!sUserManager.exists(userId)) return null; 5871 flags = updateFlagsForResolve(flags, userId, intent); 5872 intent = updateIntentForResolve(intent); 5873 // writer 5874 synchronized (mPackages) { 5875 // Try to find a matching persistent preferred activity. 5876 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5877 debug, userId); 5878 5879 // If a persistent preferred activity matched, use it. 5880 if (pri != null) { 5881 return pri; 5882 } 5883 5884 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5885 // Get the list of preferred activities that handle the intent 5886 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5887 List<PreferredActivity> prefs = pir != null 5888 ? pir.queryIntent(intent, resolvedType, 5889 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5890 userId) 5891 : null; 5892 if (prefs != null && prefs.size() > 0) { 5893 boolean changed = false; 5894 try { 5895 // First figure out how good the original match set is. 5896 // We will only allow preferred activities that came 5897 // from the same match quality. 5898 int match = 0; 5899 5900 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5901 5902 final int N = query.size(); 5903 for (int j=0; j<N; j++) { 5904 final ResolveInfo ri = query.get(j); 5905 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5906 + ": 0x" + Integer.toHexString(match)); 5907 if (ri.match > match) { 5908 match = ri.match; 5909 } 5910 } 5911 5912 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5913 + Integer.toHexString(match)); 5914 5915 match &= IntentFilter.MATCH_CATEGORY_MASK; 5916 final int M = prefs.size(); 5917 for (int i=0; i<M; i++) { 5918 final PreferredActivity pa = prefs.get(i); 5919 if (DEBUG_PREFERRED || debug) { 5920 Slog.v(TAG, "Checking PreferredActivity ds=" 5921 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5922 + "\n component=" + pa.mPref.mComponent); 5923 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5924 } 5925 if (pa.mPref.mMatch != match) { 5926 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5927 + Integer.toHexString(pa.mPref.mMatch)); 5928 continue; 5929 } 5930 // If it's not an "always" type preferred activity and that's what we're 5931 // looking for, skip it. 5932 if (always && !pa.mPref.mAlways) { 5933 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5934 continue; 5935 } 5936 final ActivityInfo ai = getActivityInfo( 5937 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5938 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5939 userId); 5940 if (DEBUG_PREFERRED || debug) { 5941 Slog.v(TAG, "Found preferred activity:"); 5942 if (ai != null) { 5943 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5944 } else { 5945 Slog.v(TAG, " null"); 5946 } 5947 } 5948 if (ai == null) { 5949 // This previously registered preferred activity 5950 // component is no longer known. Most likely an update 5951 // to the app was installed and in the new version this 5952 // component no longer exists. Clean it up by removing 5953 // it from the preferred activities list, and skip it. 5954 Slog.w(TAG, "Removing dangling preferred activity: " 5955 + pa.mPref.mComponent); 5956 pir.removeFilter(pa); 5957 changed = true; 5958 continue; 5959 } 5960 for (int j=0; j<N; j++) { 5961 final ResolveInfo ri = query.get(j); 5962 if (!ri.activityInfo.applicationInfo.packageName 5963 .equals(ai.applicationInfo.packageName)) { 5964 continue; 5965 } 5966 if (!ri.activityInfo.name.equals(ai.name)) { 5967 continue; 5968 } 5969 5970 if (removeMatches) { 5971 pir.removeFilter(pa); 5972 changed = true; 5973 if (DEBUG_PREFERRED) { 5974 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5975 } 5976 break; 5977 } 5978 5979 // Okay we found a previously set preferred or last chosen app. 5980 // If the result set is different from when this 5981 // was created, we need to clear it and re-ask the 5982 // user their preference, if we're looking for an "always" type entry. 5983 if (always && !pa.mPref.sameSet(query)) { 5984 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5985 + intent + " type " + resolvedType); 5986 if (DEBUG_PREFERRED) { 5987 Slog.v(TAG, "Removing preferred activity since set changed " 5988 + pa.mPref.mComponent); 5989 } 5990 pir.removeFilter(pa); 5991 // Re-add the filter as a "last chosen" entry (!always) 5992 PreferredActivity lastChosen = new PreferredActivity( 5993 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5994 pir.addFilter(lastChosen); 5995 changed = true; 5996 return null; 5997 } 5998 5999 // Yay! Either the set matched or we're looking for the last chosen 6000 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6001 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6002 return ri; 6003 } 6004 } 6005 } finally { 6006 if (changed) { 6007 if (DEBUG_PREFERRED) { 6008 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6009 } 6010 scheduleWritePackageRestrictionsLocked(userId); 6011 } 6012 } 6013 } 6014 } 6015 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6016 return null; 6017 } 6018 6019 /* 6020 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6021 */ 6022 @Override 6023 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6024 int targetUserId) { 6025 mContext.enforceCallingOrSelfPermission( 6026 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6027 List<CrossProfileIntentFilter> matches = 6028 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6029 if (matches != null) { 6030 int size = matches.size(); 6031 for (int i = 0; i < size; i++) { 6032 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6033 } 6034 } 6035 if (hasWebURI(intent)) { 6036 // cross-profile app linking works only towards the parent. 6037 final UserInfo parent = getProfileParent(sourceUserId); 6038 synchronized(mPackages) { 6039 int flags = updateFlagsForResolve(0, parent.id, intent); 6040 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6041 intent, resolvedType, flags, sourceUserId, parent.id); 6042 return xpDomainInfo != null; 6043 } 6044 } 6045 return false; 6046 } 6047 6048 private UserInfo getProfileParent(int userId) { 6049 final long identity = Binder.clearCallingIdentity(); 6050 try { 6051 return sUserManager.getProfileParent(userId); 6052 } finally { 6053 Binder.restoreCallingIdentity(identity); 6054 } 6055 } 6056 6057 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6058 String resolvedType, int userId) { 6059 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6060 if (resolver != null) { 6061 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6062 } 6063 return null; 6064 } 6065 6066 @Override 6067 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6068 String resolvedType, int flags, int userId) { 6069 try { 6070 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6071 6072 return new ParceledListSlice<>( 6073 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6074 } finally { 6075 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6076 } 6077 } 6078 6079 /** 6080 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6081 * instant, returns {@code null}. 6082 */ 6083 private String getInstantAppPackageName(int callingUid) { 6084 final int appId = UserHandle.getAppId(callingUid); 6085 synchronized (mPackages) { 6086 final Object obj = mSettings.getUserIdLPr(appId); 6087 if (obj instanceof PackageSetting) { 6088 final PackageSetting ps = (PackageSetting) obj; 6089 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6090 return isInstantApp ? ps.pkg.packageName : null; 6091 } 6092 } 6093 return null; 6094 } 6095 6096 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6097 String resolvedType, int flags, int userId) { 6098 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6099 final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid()); 6100 flags = updateFlagsForResolve(flags, userId, intent); 6101 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6102 false /* requireFullPermission */, false /* checkShell */, 6103 "query intent activities"); 6104 ComponentName comp = intent.getComponent(); 6105 if (comp == null) { 6106 if (intent.getSelector() != null) { 6107 intent = intent.getSelector(); 6108 comp = intent.getComponent(); 6109 } 6110 } 6111 6112 if (comp != null) { 6113 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6114 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6115 if (ai != null) { 6116 // When specifying an explicit component, we prevent the activity from being 6117 // used when either 1) the calling package is normal and the activity is within 6118 // an ephemeral application or 2) the calling package is ephemeral and the 6119 // activity is not visible to ephemeral applications. 6120 final boolean matchInstantApp = 6121 (flags & PackageManager.MATCH_INSTANT) != 0; 6122 final boolean matchVisibleToInstantAppOnly = 6123 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6124 final boolean isCallerInstantApp = 6125 instantAppPkgName != null; 6126 final boolean isTargetSameInstantApp = 6127 comp.getPackageName().equals(instantAppPkgName); 6128 final boolean isTargetInstantApp = 6129 (ai.applicationInfo.privateFlags 6130 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6131 final boolean isTargetHiddenFromInstantApp = 6132 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0; 6133 final boolean blockResolution = 6134 !isTargetSameInstantApp 6135 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6136 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6137 && isTargetHiddenFromInstantApp)); 6138 if (!blockResolution) { 6139 final ResolveInfo ri = new ResolveInfo(); 6140 ri.activityInfo = ai; 6141 list.add(ri); 6142 } 6143 } 6144 return applyPostResolutionFilter(list, instantAppPkgName); 6145 } 6146 6147 // reader 6148 boolean sortResult = false; 6149 boolean addEphemeral = false; 6150 List<ResolveInfo> result; 6151 final String pkgName = intent.getPackage(); 6152 final boolean ephemeralDisabled = isEphemeralDisabled(); 6153 synchronized (mPackages) { 6154 if (pkgName == null) { 6155 List<CrossProfileIntentFilter> matchingFilters = 6156 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6157 // Check for results that need to skip the current profile. 6158 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6159 resolvedType, flags, userId); 6160 if (xpResolveInfo != null) { 6161 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6162 xpResult.add(xpResolveInfo); 6163 return applyPostResolutionFilter( 6164 filterIfNotSystemUser(xpResult, userId), instantAppPkgName); 6165 } 6166 6167 // Check for results in the current profile. 6168 result = filterIfNotSystemUser(mActivities.queryIntent( 6169 intent, resolvedType, flags, userId), userId); 6170 addEphemeral = !ephemeralDisabled 6171 && isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 6172 6173 // Check for cross profile results. 6174 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6175 xpResolveInfo = queryCrossProfileIntents( 6176 matchingFilters, intent, resolvedType, flags, userId, 6177 hasNonNegativePriorityResult); 6178 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6179 boolean isVisibleToUser = filterIfNotSystemUser( 6180 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6181 if (isVisibleToUser) { 6182 result.add(xpResolveInfo); 6183 sortResult = true; 6184 } 6185 } 6186 if (hasWebURI(intent)) { 6187 CrossProfileDomainInfo xpDomainInfo = null; 6188 final UserInfo parent = getProfileParent(userId); 6189 if (parent != null) { 6190 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6191 flags, userId, parent.id); 6192 } 6193 if (xpDomainInfo != null) { 6194 if (xpResolveInfo != null) { 6195 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6196 // in the result. 6197 result.remove(xpResolveInfo); 6198 } 6199 if (result.size() == 0 && !addEphemeral) { 6200 // No result in current profile, but found candidate in parent user. 6201 // And we are not going to add emphemeral app, so we can return the 6202 // result straight away. 6203 result.add(xpDomainInfo.resolveInfo); 6204 return applyPostResolutionFilter(result, instantAppPkgName); 6205 } 6206 } else if (result.size() <= 1 && !addEphemeral) { 6207 // No result in parent user and <= 1 result in current profile, and we 6208 // are not going to add emphemeral app, so we can return the result without 6209 // further processing. 6210 return applyPostResolutionFilter(result, instantAppPkgName); 6211 } 6212 // We have more than one candidate (combining results from current and parent 6213 // profile), so we need filtering and sorting. 6214 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6215 intent, flags, result, xpDomainInfo, userId); 6216 sortResult = true; 6217 } 6218 } else { 6219 final PackageParser.Package pkg = mPackages.get(pkgName); 6220 if (pkg != null) { 6221 result = applyPostResolutionFilter(filterIfNotSystemUser( 6222 mActivities.queryIntentForPackage( 6223 intent, resolvedType, flags, pkg.activities, userId), 6224 userId), instantAppPkgName); 6225 } else { 6226 // the caller wants to resolve for a particular package; however, there 6227 // were no installed results, so, try to find an ephemeral result 6228 addEphemeral = !ephemeralDisabled 6229 && isEphemeralAllowed( 6230 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6231 result = new ArrayList<ResolveInfo>(); 6232 } 6233 } 6234 } 6235 if (addEphemeral) { 6236 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6237 final EphemeralRequest requestObject = new EphemeralRequest( 6238 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6239 null /*callingPackage*/, userId); 6240 final AuxiliaryResolveInfo auxiliaryResponse = 6241 EphemeralResolver.doEphemeralResolutionPhaseOne( 6242 mContext, mInstantAppResolverConnection, requestObject); 6243 if (auxiliaryResponse != null) { 6244 if (DEBUG_EPHEMERAL) { 6245 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6246 } 6247 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 6248 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 6249 // make sure this resolver is the default 6250 ephemeralInstaller.isDefault = true; 6251 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6252 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6253 // add a non-generic filter 6254 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6255 ephemeralInstaller.filter.addDataPath( 6256 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6257 result.add(ephemeralInstaller); 6258 } 6259 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6260 } 6261 if (sortResult) { 6262 Collections.sort(result, mResolvePrioritySorter); 6263 } 6264 return applyPostResolutionFilter(result, instantAppPkgName); 6265 } 6266 6267 private static class CrossProfileDomainInfo { 6268 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6269 ResolveInfo resolveInfo; 6270 /* Best domain verification status of the activities found in the other profile */ 6271 int bestDomainVerificationStatus; 6272 } 6273 6274 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6275 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6276 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6277 sourceUserId)) { 6278 return null; 6279 } 6280 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6281 resolvedType, flags, parentUserId); 6282 6283 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6284 return null; 6285 } 6286 CrossProfileDomainInfo result = null; 6287 int size = resultTargetUser.size(); 6288 for (int i = 0; i < size; i++) { 6289 ResolveInfo riTargetUser = resultTargetUser.get(i); 6290 // Intent filter verification is only for filters that specify a host. So don't return 6291 // those that handle all web uris. 6292 if (riTargetUser.handleAllWebDataURI) { 6293 continue; 6294 } 6295 String packageName = riTargetUser.activityInfo.packageName; 6296 PackageSetting ps = mSettings.mPackages.get(packageName); 6297 if (ps == null) { 6298 continue; 6299 } 6300 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6301 int status = (int)(verificationState >> 32); 6302 if (result == null) { 6303 result = new CrossProfileDomainInfo(); 6304 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6305 sourceUserId, parentUserId); 6306 result.bestDomainVerificationStatus = status; 6307 } else { 6308 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6309 result.bestDomainVerificationStatus); 6310 } 6311 } 6312 // Don't consider matches with status NEVER across profiles. 6313 if (result != null && result.bestDomainVerificationStatus 6314 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6315 return null; 6316 } 6317 return result; 6318 } 6319 6320 /** 6321 * Verification statuses are ordered from the worse to the best, except for 6322 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6323 */ 6324 private int bestDomainVerificationStatus(int status1, int status2) { 6325 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6326 return status2; 6327 } 6328 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6329 return status1; 6330 } 6331 return (int) MathUtils.max(status1, status2); 6332 } 6333 6334 private boolean isUserEnabled(int userId) { 6335 long callingId = Binder.clearCallingIdentity(); 6336 try { 6337 UserInfo userInfo = sUserManager.getUserInfo(userId); 6338 return userInfo != null && userInfo.isEnabled(); 6339 } finally { 6340 Binder.restoreCallingIdentity(callingId); 6341 } 6342 } 6343 6344 /** 6345 * Filter out activities with systemUserOnly flag set, when current user is not System. 6346 * 6347 * @return filtered list 6348 */ 6349 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6350 if (userId == UserHandle.USER_SYSTEM) { 6351 return resolveInfos; 6352 } 6353 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6354 ResolveInfo info = resolveInfos.get(i); 6355 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6356 resolveInfos.remove(i); 6357 } 6358 } 6359 return resolveInfos; 6360 } 6361 6362 /** 6363 * Filters out ephemeral activities. 6364 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6365 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6366 * 6367 * @param resolveInfos The pre-filtered list of resolved activities 6368 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6369 * is performed. 6370 * @return A filtered list of resolved activities. 6371 */ 6372 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 6373 String ephemeralPkgName) { 6374 // TODO: When adding on-demand split support for non-instant apps, remove this check 6375 // and always apply post filtering 6376 if (ephemeralPkgName == null) { 6377 return resolveInfos; 6378 } 6379 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6380 final ResolveInfo info = resolveInfos.get(i); 6381 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6382 // allow activities that are defined in the provided package 6383 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 6384 if (info.activityInfo.splitName != null 6385 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 6386 info.activityInfo.splitName)) { 6387 // requested activity is defined in a split that hasn't been installed yet. 6388 // add the installer to the resolve list 6389 if (DEBUG_EPHEMERAL) { 6390 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6391 } 6392 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 6393 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 6394 info.activityInfo.packageName, info.activityInfo.splitName, 6395 info.activityInfo.applicationInfo.versionCode); 6396 // make sure this resolver is the default 6397 installerInfo.isDefault = true; 6398 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6399 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6400 // add a non-generic filter 6401 installerInfo.filter = new IntentFilter(); 6402 // load resources from the correct package 6403 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 6404 resolveInfos.set(i, installerInfo); 6405 } 6406 continue; 6407 } 6408 // allow activities that have been explicitly exposed to ephemeral apps 6409 if (!isEphemeralApp 6410 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 6411 continue; 6412 } 6413 resolveInfos.remove(i); 6414 } 6415 return resolveInfos; 6416 } 6417 6418 /** 6419 * @param resolveInfos list of resolve infos in descending priority order 6420 * @return if the list contains a resolve info with non-negative priority 6421 */ 6422 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6423 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6424 } 6425 6426 private static boolean hasWebURI(Intent intent) { 6427 if (intent.getData() == null) { 6428 return false; 6429 } 6430 final String scheme = intent.getScheme(); 6431 if (TextUtils.isEmpty(scheme)) { 6432 return false; 6433 } 6434 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6435 } 6436 6437 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6438 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6439 int userId) { 6440 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6441 6442 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6443 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6444 candidates.size()); 6445 } 6446 6447 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6448 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6449 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6450 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6451 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6452 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6453 6454 synchronized (mPackages) { 6455 final int count = candidates.size(); 6456 // First, try to use linked apps. Partition the candidates into four lists: 6457 // one for the final results, one for the "do not use ever", one for "undefined status" 6458 // and finally one for "browser app type". 6459 for (int n=0; n<count; n++) { 6460 ResolveInfo info = candidates.get(n); 6461 String packageName = info.activityInfo.packageName; 6462 PackageSetting ps = mSettings.mPackages.get(packageName); 6463 if (ps != null) { 6464 // Add to the special match all list (Browser use case) 6465 if (info.handleAllWebDataURI) { 6466 matchAllList.add(info); 6467 continue; 6468 } 6469 // Try to get the status from User settings first 6470 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6471 int status = (int)(packedStatus >> 32); 6472 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6473 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6474 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6475 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6476 + " : linkgen=" + linkGeneration); 6477 } 6478 // Use link-enabled generation as preferredOrder, i.e. 6479 // prefer newly-enabled over earlier-enabled. 6480 info.preferredOrder = linkGeneration; 6481 alwaysList.add(info); 6482 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6483 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6484 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6485 } 6486 neverList.add(info); 6487 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6488 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6489 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6490 } 6491 alwaysAskList.add(info); 6492 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6493 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6494 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6495 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6496 } 6497 undefinedList.add(info); 6498 } 6499 } 6500 } 6501 6502 // We'll want to include browser possibilities in a few cases 6503 boolean includeBrowser = false; 6504 6505 // First try to add the "always" resolution(s) for the current user, if any 6506 if (alwaysList.size() > 0) { 6507 result.addAll(alwaysList); 6508 } else { 6509 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6510 result.addAll(undefinedList); 6511 // Maybe add one for the other profile. 6512 if (xpDomainInfo != null && ( 6513 xpDomainInfo.bestDomainVerificationStatus 6514 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6515 result.add(xpDomainInfo.resolveInfo); 6516 } 6517 includeBrowser = true; 6518 } 6519 6520 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6521 // If there were 'always' entries their preferred order has been set, so we also 6522 // back that off to make the alternatives equivalent 6523 if (alwaysAskList.size() > 0) { 6524 for (ResolveInfo i : result) { 6525 i.preferredOrder = 0; 6526 } 6527 result.addAll(alwaysAskList); 6528 includeBrowser = true; 6529 } 6530 6531 if (includeBrowser) { 6532 // Also add browsers (all of them or only the default one) 6533 if (DEBUG_DOMAIN_VERIFICATION) { 6534 Slog.v(TAG, " ...including browsers in candidate set"); 6535 } 6536 if ((matchFlags & MATCH_ALL) != 0) { 6537 result.addAll(matchAllList); 6538 } else { 6539 // Browser/generic handling case. If there's a default browser, go straight 6540 // to that (but only if there is no other higher-priority match). 6541 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6542 int maxMatchPrio = 0; 6543 ResolveInfo defaultBrowserMatch = null; 6544 final int numCandidates = matchAllList.size(); 6545 for (int n = 0; n < numCandidates; n++) { 6546 ResolveInfo info = matchAllList.get(n); 6547 // track the highest overall match priority... 6548 if (info.priority > maxMatchPrio) { 6549 maxMatchPrio = info.priority; 6550 } 6551 // ...and the highest-priority default browser match 6552 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6553 if (defaultBrowserMatch == null 6554 || (defaultBrowserMatch.priority < info.priority)) { 6555 if (debug) { 6556 Slog.v(TAG, "Considering default browser match " + info); 6557 } 6558 defaultBrowserMatch = info; 6559 } 6560 } 6561 } 6562 if (defaultBrowserMatch != null 6563 && defaultBrowserMatch.priority >= maxMatchPrio 6564 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6565 { 6566 if (debug) { 6567 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6568 } 6569 result.add(defaultBrowserMatch); 6570 } else { 6571 result.addAll(matchAllList); 6572 } 6573 } 6574 6575 // If there is nothing selected, add all candidates and remove the ones that the user 6576 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6577 if (result.size() == 0) { 6578 result.addAll(candidates); 6579 result.removeAll(neverList); 6580 } 6581 } 6582 } 6583 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6584 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6585 result.size()); 6586 for (ResolveInfo info : result) { 6587 Slog.v(TAG, " + " + info.activityInfo); 6588 } 6589 } 6590 return result; 6591 } 6592 6593 // Returns a packed value as a long: 6594 // 6595 // high 'int'-sized word: link status: undefined/ask/never/always. 6596 // low 'int'-sized word: relative priority among 'always' results. 6597 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6598 long result = ps.getDomainVerificationStatusForUser(userId); 6599 // if none available, get the master status 6600 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6601 if (ps.getIntentFilterVerificationInfo() != null) { 6602 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6603 } 6604 } 6605 return result; 6606 } 6607 6608 private ResolveInfo querySkipCurrentProfileIntents( 6609 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6610 int flags, int sourceUserId) { 6611 if (matchingFilters != null) { 6612 int size = matchingFilters.size(); 6613 for (int i = 0; i < size; i ++) { 6614 CrossProfileIntentFilter filter = matchingFilters.get(i); 6615 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6616 // Checking if there are activities in the target user that can handle the 6617 // intent. 6618 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6619 resolvedType, flags, sourceUserId); 6620 if (resolveInfo != null) { 6621 return resolveInfo; 6622 } 6623 } 6624 } 6625 } 6626 return null; 6627 } 6628 6629 // Return matching ResolveInfo in target user if any. 6630 private ResolveInfo queryCrossProfileIntents( 6631 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6632 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6633 if (matchingFilters != null) { 6634 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6635 // match the same intent. For performance reasons, it is better not to 6636 // run queryIntent twice for the same userId 6637 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6638 int size = matchingFilters.size(); 6639 for (int i = 0; i < size; i++) { 6640 CrossProfileIntentFilter filter = matchingFilters.get(i); 6641 int targetUserId = filter.getTargetUserId(); 6642 boolean skipCurrentProfile = 6643 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6644 boolean skipCurrentProfileIfNoMatchFound = 6645 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6646 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6647 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6648 // Checking if there are activities in the target user that can handle the 6649 // intent. 6650 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6651 resolvedType, flags, sourceUserId); 6652 if (resolveInfo != null) return resolveInfo; 6653 alreadyTriedUserIds.put(targetUserId, true); 6654 } 6655 } 6656 } 6657 return null; 6658 } 6659 6660 /** 6661 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6662 * will forward the intent to the filter's target user. 6663 * Otherwise, returns null. 6664 */ 6665 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6666 String resolvedType, int flags, int sourceUserId) { 6667 int targetUserId = filter.getTargetUserId(); 6668 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6669 resolvedType, flags, targetUserId); 6670 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6671 // If all the matches in the target profile are suspended, return null. 6672 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6673 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6674 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6675 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6676 targetUserId); 6677 } 6678 } 6679 } 6680 return null; 6681 } 6682 6683 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6684 int sourceUserId, int targetUserId) { 6685 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6686 long ident = Binder.clearCallingIdentity(); 6687 boolean targetIsProfile; 6688 try { 6689 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6690 } finally { 6691 Binder.restoreCallingIdentity(ident); 6692 } 6693 String className; 6694 if (targetIsProfile) { 6695 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6696 } else { 6697 className = FORWARD_INTENT_TO_PARENT; 6698 } 6699 ComponentName forwardingActivityComponentName = new ComponentName( 6700 mAndroidApplication.packageName, className); 6701 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6702 sourceUserId); 6703 if (!targetIsProfile) { 6704 forwardingActivityInfo.showUserIcon = targetUserId; 6705 forwardingResolveInfo.noResourceId = true; 6706 } 6707 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6708 forwardingResolveInfo.priority = 0; 6709 forwardingResolveInfo.preferredOrder = 0; 6710 forwardingResolveInfo.match = 0; 6711 forwardingResolveInfo.isDefault = true; 6712 forwardingResolveInfo.filter = filter; 6713 forwardingResolveInfo.targetUserId = targetUserId; 6714 return forwardingResolveInfo; 6715 } 6716 6717 @Override 6718 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6719 Intent[] specifics, String[] specificTypes, Intent intent, 6720 String resolvedType, int flags, int userId) { 6721 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6722 specificTypes, intent, resolvedType, flags, userId)); 6723 } 6724 6725 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6726 Intent[] specifics, String[] specificTypes, Intent intent, 6727 String resolvedType, int flags, int userId) { 6728 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6729 flags = updateFlagsForResolve(flags, userId, intent); 6730 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6731 false /* requireFullPermission */, false /* checkShell */, 6732 "query intent activity options"); 6733 final String resultsAction = intent.getAction(); 6734 6735 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6736 | PackageManager.GET_RESOLVED_FILTER, userId); 6737 6738 if (DEBUG_INTENT_MATCHING) { 6739 Log.v(TAG, "Query " + intent + ": " + results); 6740 } 6741 6742 int specificsPos = 0; 6743 int N; 6744 6745 // todo: note that the algorithm used here is O(N^2). This 6746 // isn't a problem in our current environment, but if we start running 6747 // into situations where we have more than 5 or 10 matches then this 6748 // should probably be changed to something smarter... 6749 6750 // First we go through and resolve each of the specific items 6751 // that were supplied, taking care of removing any corresponding 6752 // duplicate items in the generic resolve list. 6753 if (specifics != null) { 6754 for (int i=0; i<specifics.length; i++) { 6755 final Intent sintent = specifics[i]; 6756 if (sintent == null) { 6757 continue; 6758 } 6759 6760 if (DEBUG_INTENT_MATCHING) { 6761 Log.v(TAG, "Specific #" + i + ": " + sintent); 6762 } 6763 6764 String action = sintent.getAction(); 6765 if (resultsAction != null && resultsAction.equals(action)) { 6766 // If this action was explicitly requested, then don't 6767 // remove things that have it. 6768 action = null; 6769 } 6770 6771 ResolveInfo ri = null; 6772 ActivityInfo ai = null; 6773 6774 ComponentName comp = sintent.getComponent(); 6775 if (comp == null) { 6776 ri = resolveIntent( 6777 sintent, 6778 specificTypes != null ? specificTypes[i] : null, 6779 flags, userId); 6780 if (ri == null) { 6781 continue; 6782 } 6783 if (ri == mResolveInfo) { 6784 // ACK! Must do something better with this. 6785 } 6786 ai = ri.activityInfo; 6787 comp = new ComponentName(ai.applicationInfo.packageName, 6788 ai.name); 6789 } else { 6790 ai = getActivityInfo(comp, flags, userId); 6791 if (ai == null) { 6792 continue; 6793 } 6794 } 6795 6796 // Look for any generic query activities that are duplicates 6797 // of this specific one, and remove them from the results. 6798 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6799 N = results.size(); 6800 int j; 6801 for (j=specificsPos; j<N; j++) { 6802 ResolveInfo sri = results.get(j); 6803 if ((sri.activityInfo.name.equals(comp.getClassName()) 6804 && sri.activityInfo.applicationInfo.packageName.equals( 6805 comp.getPackageName())) 6806 || (action != null && sri.filter.matchAction(action))) { 6807 results.remove(j); 6808 if (DEBUG_INTENT_MATCHING) Log.v( 6809 TAG, "Removing duplicate item from " + j 6810 + " due to specific " + specificsPos); 6811 if (ri == null) { 6812 ri = sri; 6813 } 6814 j--; 6815 N--; 6816 } 6817 } 6818 6819 // Add this specific item to its proper place. 6820 if (ri == null) { 6821 ri = new ResolveInfo(); 6822 ri.activityInfo = ai; 6823 } 6824 results.add(specificsPos, ri); 6825 ri.specificIndex = i; 6826 specificsPos++; 6827 } 6828 } 6829 6830 // Now we go through the remaining generic results and remove any 6831 // duplicate actions that are found here. 6832 N = results.size(); 6833 for (int i=specificsPos; i<N-1; i++) { 6834 final ResolveInfo rii = results.get(i); 6835 if (rii.filter == null) { 6836 continue; 6837 } 6838 6839 // Iterate over all of the actions of this result's intent 6840 // filter... typically this should be just one. 6841 final Iterator<String> it = rii.filter.actionsIterator(); 6842 if (it == null) { 6843 continue; 6844 } 6845 while (it.hasNext()) { 6846 final String action = it.next(); 6847 if (resultsAction != null && resultsAction.equals(action)) { 6848 // If this action was explicitly requested, then don't 6849 // remove things that have it. 6850 continue; 6851 } 6852 for (int j=i+1; j<N; j++) { 6853 final ResolveInfo rij = results.get(j); 6854 if (rij.filter != null && rij.filter.hasAction(action)) { 6855 results.remove(j); 6856 if (DEBUG_INTENT_MATCHING) Log.v( 6857 TAG, "Removing duplicate item from " + j 6858 + " due to action " + action + " at " + i); 6859 j--; 6860 N--; 6861 } 6862 } 6863 } 6864 6865 // If the caller didn't request filter information, drop it now 6866 // so we don't have to marshall/unmarshall it. 6867 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6868 rii.filter = null; 6869 } 6870 } 6871 6872 // Filter out the caller activity if so requested. 6873 if (caller != null) { 6874 N = results.size(); 6875 for (int i=0; i<N; i++) { 6876 ActivityInfo ainfo = results.get(i).activityInfo; 6877 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6878 && caller.getClassName().equals(ainfo.name)) { 6879 results.remove(i); 6880 break; 6881 } 6882 } 6883 } 6884 6885 // If the caller didn't request filter information, 6886 // drop them now so we don't have to 6887 // marshall/unmarshall it. 6888 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6889 N = results.size(); 6890 for (int i=0; i<N; i++) { 6891 results.get(i).filter = null; 6892 } 6893 } 6894 6895 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6896 return results; 6897 } 6898 6899 @Override 6900 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6901 String resolvedType, int flags, int userId) { 6902 return new ParceledListSlice<>( 6903 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6904 } 6905 6906 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6907 String resolvedType, int flags, int userId) { 6908 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6909 flags = updateFlagsForResolve(flags, userId, intent); 6910 ComponentName comp = intent.getComponent(); 6911 if (comp == null) { 6912 if (intent.getSelector() != null) { 6913 intent = intent.getSelector(); 6914 comp = intent.getComponent(); 6915 } 6916 } 6917 if (comp != null) { 6918 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6919 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6920 if (ai != null) { 6921 ResolveInfo ri = new ResolveInfo(); 6922 ri.activityInfo = ai; 6923 list.add(ri); 6924 } 6925 return list; 6926 } 6927 6928 // reader 6929 synchronized (mPackages) { 6930 String pkgName = intent.getPackage(); 6931 if (pkgName == null) { 6932 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6933 } 6934 final PackageParser.Package pkg = mPackages.get(pkgName); 6935 if (pkg != null) { 6936 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6937 userId); 6938 } 6939 return Collections.emptyList(); 6940 } 6941 } 6942 6943 @Override 6944 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6945 if (!sUserManager.exists(userId)) return null; 6946 flags = updateFlagsForResolve(flags, userId, intent); 6947 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6948 if (query != null) { 6949 if (query.size() >= 1) { 6950 // If there is more than one service with the same priority, 6951 // just arbitrarily pick the first one. 6952 return query.get(0); 6953 } 6954 } 6955 return null; 6956 } 6957 6958 @Override 6959 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6960 String resolvedType, int flags, int userId) { 6961 return new ParceledListSlice<>( 6962 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6963 } 6964 6965 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6966 String resolvedType, int flags, int userId) { 6967 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6968 flags = updateFlagsForResolve(flags, userId, intent); 6969 ComponentName comp = intent.getComponent(); 6970 if (comp == null) { 6971 if (intent.getSelector() != null) { 6972 intent = intent.getSelector(); 6973 comp = intent.getComponent(); 6974 } 6975 } 6976 if (comp != null) { 6977 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6978 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6979 if (si != null) { 6980 final ResolveInfo ri = new ResolveInfo(); 6981 ri.serviceInfo = si; 6982 list.add(ri); 6983 } 6984 return list; 6985 } 6986 6987 // reader 6988 synchronized (mPackages) { 6989 String pkgName = intent.getPackage(); 6990 if (pkgName == null) { 6991 return mServices.queryIntent(intent, resolvedType, flags, userId); 6992 } 6993 final PackageParser.Package pkg = mPackages.get(pkgName); 6994 if (pkg != null) { 6995 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6996 userId); 6997 } 6998 return Collections.emptyList(); 6999 } 7000 } 7001 7002 @Override 7003 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7004 String resolvedType, int flags, int userId) { 7005 return new ParceledListSlice<>( 7006 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7007 } 7008 7009 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7010 Intent intent, String resolvedType, int flags, int userId) { 7011 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7012 flags = updateFlagsForResolve(flags, userId, intent); 7013 ComponentName comp = intent.getComponent(); 7014 if (comp == null) { 7015 if (intent.getSelector() != null) { 7016 intent = intent.getSelector(); 7017 comp = intent.getComponent(); 7018 } 7019 } 7020 if (comp != null) { 7021 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7022 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7023 if (pi != null) { 7024 final ResolveInfo ri = new ResolveInfo(); 7025 ri.providerInfo = pi; 7026 list.add(ri); 7027 } 7028 return list; 7029 } 7030 7031 // reader 7032 synchronized (mPackages) { 7033 String pkgName = intent.getPackage(); 7034 if (pkgName == null) { 7035 return mProviders.queryIntent(intent, resolvedType, flags, userId); 7036 } 7037 final PackageParser.Package pkg = mPackages.get(pkgName); 7038 if (pkg != null) { 7039 return mProviders.queryIntentForPackage( 7040 intent, resolvedType, flags, pkg.providers, userId); 7041 } 7042 return Collections.emptyList(); 7043 } 7044 } 7045 7046 @Override 7047 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7048 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7049 flags = updateFlagsForPackage(flags, userId, null); 7050 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7051 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7052 true /* requireFullPermission */, false /* checkShell */, 7053 "get installed packages"); 7054 7055 // writer 7056 synchronized (mPackages) { 7057 ArrayList<PackageInfo> list; 7058 if (listUninstalled) { 7059 list = new ArrayList<>(mSettings.mPackages.size()); 7060 for (PackageSetting ps : mSettings.mPackages.values()) { 7061 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7062 continue; 7063 } 7064 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7065 if (pi != null) { 7066 list.add(pi); 7067 } 7068 } 7069 } else { 7070 list = new ArrayList<>(mPackages.size()); 7071 for (PackageParser.Package p : mPackages.values()) { 7072 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 7073 Binder.getCallingUid(), userId)) { 7074 continue; 7075 } 7076 final PackageInfo pi = generatePackageInfo((PackageSetting) 7077 p.mExtras, flags, userId); 7078 if (pi != null) { 7079 list.add(pi); 7080 } 7081 } 7082 } 7083 7084 return new ParceledListSlice<>(list); 7085 } 7086 } 7087 7088 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7089 String[] permissions, boolean[] tmp, int flags, int userId) { 7090 int numMatch = 0; 7091 final PermissionsState permissionsState = ps.getPermissionsState(); 7092 for (int i=0; i<permissions.length; i++) { 7093 final String permission = permissions[i]; 7094 if (permissionsState.hasPermission(permission, userId)) { 7095 tmp[i] = true; 7096 numMatch++; 7097 } else { 7098 tmp[i] = false; 7099 } 7100 } 7101 if (numMatch == 0) { 7102 return; 7103 } 7104 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7105 7106 // The above might return null in cases of uninstalled apps or install-state 7107 // skew across users/profiles. 7108 if (pi != null) { 7109 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7110 if (numMatch == permissions.length) { 7111 pi.requestedPermissions = permissions; 7112 } else { 7113 pi.requestedPermissions = new String[numMatch]; 7114 numMatch = 0; 7115 for (int i=0; i<permissions.length; i++) { 7116 if (tmp[i]) { 7117 pi.requestedPermissions[numMatch] = permissions[i]; 7118 numMatch++; 7119 } 7120 } 7121 } 7122 } 7123 list.add(pi); 7124 } 7125 } 7126 7127 @Override 7128 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7129 String[] permissions, int flags, int userId) { 7130 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7131 flags = updateFlagsForPackage(flags, userId, permissions); 7132 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7133 true /* requireFullPermission */, false /* checkShell */, 7134 "get packages holding permissions"); 7135 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7136 7137 // writer 7138 synchronized (mPackages) { 7139 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7140 boolean[] tmpBools = new boolean[permissions.length]; 7141 if (listUninstalled) { 7142 for (PackageSetting ps : mSettings.mPackages.values()) { 7143 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7144 userId); 7145 } 7146 } else { 7147 for (PackageParser.Package pkg : mPackages.values()) { 7148 PackageSetting ps = (PackageSetting)pkg.mExtras; 7149 if (ps != null) { 7150 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7151 userId); 7152 } 7153 } 7154 } 7155 7156 return new ParceledListSlice<PackageInfo>(list); 7157 } 7158 } 7159 7160 @Override 7161 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 7162 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7163 flags = updateFlagsForApplication(flags, userId, null); 7164 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7165 7166 // writer 7167 synchronized (mPackages) { 7168 ArrayList<ApplicationInfo> list; 7169 if (listUninstalled) { 7170 list = new ArrayList<>(mSettings.mPackages.size()); 7171 for (PackageSetting ps : mSettings.mPackages.values()) { 7172 ApplicationInfo ai; 7173 int effectiveFlags = flags; 7174 if (ps.isSystem()) { 7175 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7176 } 7177 if (ps.pkg != null) { 7178 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7179 continue; 7180 } 7181 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 7182 ps.readUserState(userId), userId); 7183 if (ai != null) { 7184 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7185 } 7186 } else { 7187 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7188 // and already converts to externally visible package name 7189 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7190 Binder.getCallingUid(), effectiveFlags, userId); 7191 } 7192 if (ai != null) { 7193 list.add(ai); 7194 } 7195 } 7196 } else { 7197 list = new ArrayList<>(mPackages.size()); 7198 for (PackageParser.Package p : mPackages.values()) { 7199 if (p.mExtras != null) { 7200 PackageSetting ps = (PackageSetting) p.mExtras; 7201 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7202 continue; 7203 } 7204 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7205 ps.readUserState(userId), userId); 7206 if (ai != null) { 7207 ai.packageName = resolveExternalPackageNameLPr(p); 7208 list.add(ai); 7209 } 7210 } 7211 } 7212 } 7213 7214 return new ParceledListSlice<>(list); 7215 } 7216 } 7217 7218 @Override 7219 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 7220 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7221 return null; 7222 } 7223 7224 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7225 "getEphemeralApplications"); 7226 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7227 true /* requireFullPermission */, false /* checkShell */, 7228 "getEphemeralApplications"); 7229 synchronized (mPackages) { 7230 List<InstantAppInfo> instantApps = mInstantAppRegistry 7231 .getInstantAppsLPr(userId); 7232 if (instantApps != null) { 7233 return new ParceledListSlice<>(instantApps); 7234 } 7235 } 7236 return null; 7237 } 7238 7239 @Override 7240 public boolean isInstantApp(String packageName, int userId) { 7241 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7242 true /* requireFullPermission */, false /* checkShell */, 7243 "isInstantApp"); 7244 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7245 return false; 7246 } 7247 7248 if (!isCallerSameApp(packageName)) { 7249 return false; 7250 } 7251 synchronized (mPackages) { 7252 final PackageSetting ps = mSettings.mPackages.get(packageName); 7253 if (ps != null) { 7254 return ps.getInstantApp(userId); 7255 } 7256 } 7257 return false; 7258 } 7259 7260 @Override 7261 public byte[] getInstantAppCookie(String packageName, int userId) { 7262 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7263 return null; 7264 } 7265 7266 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7267 true /* requireFullPermission */, false /* checkShell */, 7268 "getInstantAppCookie"); 7269 if (!isCallerSameApp(packageName)) { 7270 return null; 7271 } 7272 synchronized (mPackages) { 7273 return mInstantAppRegistry.getInstantAppCookieLPw( 7274 packageName, userId); 7275 } 7276 } 7277 7278 @Override 7279 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 7280 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7281 return true; 7282 } 7283 7284 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7285 true /* requireFullPermission */, true /* checkShell */, 7286 "setInstantAppCookie"); 7287 if (!isCallerSameApp(packageName)) { 7288 return false; 7289 } 7290 synchronized (mPackages) { 7291 return mInstantAppRegistry.setInstantAppCookieLPw( 7292 packageName, cookie, userId); 7293 } 7294 } 7295 7296 @Override 7297 public Bitmap getInstantAppIcon(String packageName, int userId) { 7298 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7299 return null; 7300 } 7301 7302 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7303 "getInstantAppIcon"); 7304 7305 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7306 true /* requireFullPermission */, false /* checkShell */, 7307 "getInstantAppIcon"); 7308 7309 synchronized (mPackages) { 7310 return mInstantAppRegistry.getInstantAppIconLPw( 7311 packageName, userId); 7312 } 7313 } 7314 7315 private boolean isCallerSameApp(String packageName) { 7316 PackageParser.Package pkg = mPackages.get(packageName); 7317 return pkg != null 7318 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 7319 } 7320 7321 @Override 7322 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7323 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7324 } 7325 7326 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7327 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7328 7329 // reader 7330 synchronized (mPackages) { 7331 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7332 final int userId = UserHandle.getCallingUserId(); 7333 while (i.hasNext()) { 7334 final PackageParser.Package p = i.next(); 7335 if (p.applicationInfo == null) continue; 7336 7337 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7338 && !p.applicationInfo.isDirectBootAware(); 7339 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7340 && p.applicationInfo.isDirectBootAware(); 7341 7342 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7343 && (!mSafeMode || isSystemApp(p)) 7344 && (matchesUnaware || matchesAware)) { 7345 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7346 if (ps != null) { 7347 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7348 ps.readUserState(userId), userId); 7349 if (ai != null) { 7350 finalList.add(ai); 7351 } 7352 } 7353 } 7354 } 7355 } 7356 7357 return finalList; 7358 } 7359 7360 @Override 7361 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7362 if (!sUserManager.exists(userId)) return null; 7363 flags = updateFlagsForComponent(flags, userId, name); 7364 // reader 7365 synchronized (mPackages) { 7366 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7367 PackageSetting ps = provider != null 7368 ? mSettings.mPackages.get(provider.owner.packageName) 7369 : null; 7370 return ps != null 7371 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 7372 ? PackageParser.generateProviderInfo(provider, flags, 7373 ps.readUserState(userId), userId) 7374 : null; 7375 } 7376 } 7377 7378 /** 7379 * @deprecated 7380 */ 7381 @Deprecated 7382 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 7383 // reader 7384 synchronized (mPackages) { 7385 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 7386 .entrySet().iterator(); 7387 final int userId = UserHandle.getCallingUserId(); 7388 while (i.hasNext()) { 7389 Map.Entry<String, PackageParser.Provider> entry = i.next(); 7390 PackageParser.Provider p = entry.getValue(); 7391 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7392 7393 if (ps != null && p.syncable 7394 && (!mSafeMode || (p.info.applicationInfo.flags 7395 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 7396 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 7397 ps.readUserState(userId), userId); 7398 if (info != null) { 7399 outNames.add(entry.getKey()); 7400 outInfo.add(info); 7401 } 7402 } 7403 } 7404 } 7405 } 7406 7407 @Override 7408 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 7409 int uid, int flags) { 7410 final int userId = processName != null ? UserHandle.getUserId(uid) 7411 : UserHandle.getCallingUserId(); 7412 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7413 flags = updateFlagsForComponent(flags, userId, processName); 7414 7415 ArrayList<ProviderInfo> finalList = null; 7416 // reader 7417 synchronized (mPackages) { 7418 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 7419 while (i.hasNext()) { 7420 final PackageParser.Provider p = i.next(); 7421 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7422 if (ps != null && p.info.authority != null 7423 && (processName == null 7424 || (p.info.processName.equals(processName) 7425 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 7426 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 7427 if (finalList == null) { 7428 finalList = new ArrayList<ProviderInfo>(3); 7429 } 7430 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 7431 ps.readUserState(userId), userId); 7432 if (info != null) { 7433 finalList.add(info); 7434 } 7435 } 7436 } 7437 } 7438 7439 if (finalList != null) { 7440 Collections.sort(finalList, mProviderInitOrderSorter); 7441 return new ParceledListSlice<ProviderInfo>(finalList); 7442 } 7443 7444 return ParceledListSlice.emptyList(); 7445 } 7446 7447 @Override 7448 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 7449 // reader 7450 synchronized (mPackages) { 7451 final PackageParser.Instrumentation i = mInstrumentation.get(name); 7452 return PackageParser.generateInstrumentationInfo(i, flags); 7453 } 7454 } 7455 7456 @Override 7457 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 7458 String targetPackage, int flags) { 7459 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 7460 } 7461 7462 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 7463 int flags) { 7464 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 7465 7466 // reader 7467 synchronized (mPackages) { 7468 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 7469 while (i.hasNext()) { 7470 final PackageParser.Instrumentation p = i.next(); 7471 if (targetPackage == null 7472 || targetPackage.equals(p.info.targetPackage)) { 7473 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 7474 flags); 7475 if (ii != null) { 7476 finalList.add(ii); 7477 } 7478 } 7479 } 7480 } 7481 7482 return finalList; 7483 } 7484 7485 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 7486 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 7487 if (overlays == null) { 7488 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 7489 return; 7490 } 7491 for (PackageParser.Package opkg : overlays.values()) { 7492 // Not much to do if idmap fails: we already logged the error 7493 // and we certainly don't want to abort installation of pkg simply 7494 // because an overlay didn't fit properly. For these reasons, 7495 // ignore the return value of createIdmapForPackagePairLI. 7496 createIdmapForPackagePairLI(pkg, opkg); 7497 } 7498 } 7499 7500 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 7501 PackageParser.Package opkg) { 7502 if (!opkg.mTrustedOverlay) { 7503 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 7504 opkg.baseCodePath + ": overlay not trusted"); 7505 return false; 7506 } 7507 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 7508 if (overlaySet == null) { 7509 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 7510 opkg.baseCodePath + " but target package has no known overlays"); 7511 return false; 7512 } 7513 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7514 // TODO: generate idmap for split APKs 7515 try { 7516 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 7517 } catch (InstallerException e) { 7518 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 7519 + opkg.baseCodePath); 7520 return false; 7521 } 7522 PackageParser.Package[] overlayArray = 7523 overlaySet.values().toArray(new PackageParser.Package[0]); 7524 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 7525 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 7526 return p1.mOverlayPriority - p2.mOverlayPriority; 7527 } 7528 }; 7529 Arrays.sort(overlayArray, cmp); 7530 7531 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 7532 int i = 0; 7533 for (PackageParser.Package p : overlayArray) { 7534 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 7535 } 7536 return true; 7537 } 7538 7539 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7540 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7541 try { 7542 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7543 } finally { 7544 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7545 } 7546 } 7547 7548 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7549 final File[] files = dir.listFiles(); 7550 if (ArrayUtils.isEmpty(files)) { 7551 Log.d(TAG, "No files in app dir " + dir); 7552 return; 7553 } 7554 7555 if (DEBUG_PACKAGE_SCANNING) { 7556 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7557 + " flags=0x" + Integer.toHexString(parseFlags)); 7558 } 7559 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7560 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir); 7561 7562 // Submit files for parsing in parallel 7563 int fileCount = 0; 7564 for (File file : files) { 7565 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7566 && !PackageInstallerService.isStageName(file.getName()); 7567 if (!isPackage) { 7568 // Ignore entries which are not packages 7569 continue; 7570 } 7571 parallelPackageParser.submit(file, parseFlags); 7572 fileCount++; 7573 } 7574 7575 // Process results one by one 7576 for (; fileCount > 0; fileCount--) { 7577 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7578 Throwable throwable = parseResult.throwable; 7579 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7580 7581 if (throwable == null) { 7582 // Static shared libraries have synthetic package names 7583 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 7584 renameStaticSharedLibraryPackage(parseResult.pkg); 7585 } 7586 try { 7587 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 7588 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7589 currentTime, null); 7590 } 7591 } catch (PackageManagerException e) { 7592 errorCode = e.error; 7593 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7594 } 7595 } else if (throwable instanceof PackageParser.PackageParserException) { 7596 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7597 throwable; 7598 errorCode = e.error; 7599 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7600 } else { 7601 throw new IllegalStateException("Unexpected exception occurred while parsing " 7602 + parseResult.scanFile, throwable); 7603 } 7604 7605 // Delete invalid userdata apps 7606 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7607 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7608 logCriticalInfo(Log.WARN, 7609 "Deleting invalid package at " + parseResult.scanFile); 7610 removeCodePathLI(parseResult.scanFile); 7611 } 7612 } 7613 parallelPackageParser.close(); 7614 } 7615 7616 private static File getSettingsProblemFile() { 7617 File dataDir = Environment.getDataDirectory(); 7618 File systemDir = new File(dataDir, "system"); 7619 File fname = new File(systemDir, "uiderrors.txt"); 7620 return fname; 7621 } 7622 7623 static void reportSettingsProblem(int priority, String msg) { 7624 logCriticalInfo(priority, msg); 7625 } 7626 7627 static void logCriticalInfo(int priority, String msg) { 7628 Slog.println(priority, TAG, msg); 7629 EventLogTags.writePmCriticalInfo(msg); 7630 try { 7631 File fname = getSettingsProblemFile(); 7632 FileOutputStream out = new FileOutputStream(fname, true); 7633 PrintWriter pw = new FastPrintWriter(out); 7634 SimpleDateFormat formatter = new SimpleDateFormat(); 7635 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7636 pw.println(dateString + ": " + msg); 7637 pw.close(); 7638 FileUtils.setPermissions( 7639 fname.toString(), 7640 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7641 -1, -1); 7642 } catch (java.io.IOException e) { 7643 } 7644 } 7645 7646 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7647 if (srcFile.isDirectory()) { 7648 final File baseFile = new File(pkg.baseCodePath); 7649 long maxModifiedTime = baseFile.lastModified(); 7650 if (pkg.splitCodePaths != null) { 7651 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7652 final File splitFile = new File(pkg.splitCodePaths[i]); 7653 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7654 } 7655 } 7656 return maxModifiedTime; 7657 } 7658 return srcFile.lastModified(); 7659 } 7660 7661 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7662 final int policyFlags) throws PackageManagerException { 7663 // When upgrading from pre-N MR1, verify the package time stamp using the package 7664 // directory and not the APK file. 7665 final long lastModifiedTime = mIsPreNMR1Upgrade 7666 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7667 if (ps != null 7668 && ps.codePath.equals(srcFile) 7669 && ps.timeStamp == lastModifiedTime 7670 && !isCompatSignatureUpdateNeeded(pkg) 7671 && !isRecoverSignatureUpdateNeeded(pkg)) { 7672 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7673 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7674 ArraySet<PublicKey> signingKs; 7675 synchronized (mPackages) { 7676 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7677 } 7678 if (ps.signatures.mSignatures != null 7679 && ps.signatures.mSignatures.length != 0 7680 && signingKs != null) { 7681 // Optimization: reuse the existing cached certificates 7682 // if the package appears to be unchanged. 7683 pkg.mSignatures = ps.signatures.mSignatures; 7684 pkg.mSigningKeys = signingKs; 7685 return; 7686 } 7687 7688 Slog.w(TAG, "PackageSetting for " + ps.name 7689 + " is missing signatures. Collecting certs again to recover them."); 7690 } else { 7691 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7692 } 7693 7694 try { 7695 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7696 PackageParser.collectCertificates(pkg, policyFlags); 7697 } catch (PackageParserException e) { 7698 throw PackageManagerException.from(e); 7699 } finally { 7700 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7701 } 7702 } 7703 7704 /** 7705 * Traces a package scan. 7706 * @see #scanPackageLI(File, int, int, long, UserHandle) 7707 */ 7708 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7709 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7710 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7711 try { 7712 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7713 } finally { 7714 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7715 } 7716 } 7717 7718 /** 7719 * Scans a package and returns the newly parsed package. 7720 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7721 */ 7722 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7723 long currentTime, UserHandle user) throws PackageManagerException { 7724 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7725 PackageParser pp = new PackageParser(); 7726 pp.setSeparateProcesses(mSeparateProcesses); 7727 pp.setOnlyCoreApps(mOnlyCore); 7728 pp.setDisplayMetrics(mMetrics); 7729 7730 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7731 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7732 } 7733 7734 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7735 final PackageParser.Package pkg; 7736 try { 7737 pkg = pp.parsePackage(scanFile, parseFlags); 7738 } catch (PackageParserException e) { 7739 throw PackageManagerException.from(e); 7740 } finally { 7741 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7742 } 7743 7744 // Static shared libraries have synthetic package names 7745 if (pkg.applicationInfo.isStaticSharedLibrary()) { 7746 renameStaticSharedLibraryPackage(pkg); 7747 } 7748 7749 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7750 } 7751 7752 /** 7753 * Scans a package and returns the newly parsed package. 7754 * @throws PackageManagerException on a parse error. 7755 */ 7756 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7757 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7758 throws PackageManagerException { 7759 // If the package has children and this is the first dive in the function 7760 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7761 // packages (parent and children) would be successfully scanned before the 7762 // actual scan since scanning mutates internal state and we want to atomically 7763 // install the package and its children. 7764 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7765 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7766 scanFlags |= SCAN_CHECK_ONLY; 7767 } 7768 } else { 7769 scanFlags &= ~SCAN_CHECK_ONLY; 7770 } 7771 7772 // Scan the parent 7773 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7774 scanFlags, currentTime, user); 7775 7776 // Scan the children 7777 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7778 for (int i = 0; i < childCount; i++) { 7779 PackageParser.Package childPackage = pkg.childPackages.get(i); 7780 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7781 currentTime, user); 7782 } 7783 7784 7785 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7786 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7787 } 7788 7789 return scannedPkg; 7790 } 7791 7792 /** 7793 * Scans a package and returns the newly parsed package. 7794 * @throws PackageManagerException on a parse error. 7795 */ 7796 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7797 int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7798 throws PackageManagerException { 7799 PackageSetting ps = null; 7800 PackageSetting updatedPkg; 7801 // reader 7802 synchronized (mPackages) { 7803 // Look to see if we already know about this package. 7804 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7805 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7806 // This package has been renamed to its original name. Let's 7807 // use that. 7808 ps = mSettings.getPackageLPr(oldName); 7809 } 7810 // If there was no original package, see one for the real package name. 7811 if (ps == null) { 7812 ps = mSettings.getPackageLPr(pkg.packageName); 7813 } 7814 // Check to see if this package could be hiding/updating a system 7815 // package. Must look for it either under the original or real 7816 // package name depending on our state. 7817 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7818 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7819 7820 // If this is a package we don't know about on the system partition, we 7821 // may need to remove disabled child packages on the system partition 7822 // or may need to not add child packages if the parent apk is updated 7823 // on the data partition and no longer defines this child package. 7824 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7825 // If this is a parent package for an updated system app and this system 7826 // app got an OTA update which no longer defines some of the child packages 7827 // we have to prune them from the disabled system packages. 7828 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7829 if (disabledPs != null) { 7830 final int scannedChildCount = (pkg.childPackages != null) 7831 ? pkg.childPackages.size() : 0; 7832 final int disabledChildCount = disabledPs.childPackageNames != null 7833 ? disabledPs.childPackageNames.size() : 0; 7834 for (int i = 0; i < disabledChildCount; i++) { 7835 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7836 boolean disabledPackageAvailable = false; 7837 for (int j = 0; j < scannedChildCount; j++) { 7838 PackageParser.Package childPkg = pkg.childPackages.get(j); 7839 if (childPkg.packageName.equals(disabledChildPackageName)) { 7840 disabledPackageAvailable = true; 7841 break; 7842 } 7843 } 7844 if (!disabledPackageAvailable) { 7845 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7846 } 7847 } 7848 } 7849 } 7850 } 7851 7852 boolean updatedPkgBetter = false; 7853 // First check if this is a system package that may involve an update 7854 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7855 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7856 // it needs to drop FLAG_PRIVILEGED. 7857 if (locationIsPrivileged(scanFile)) { 7858 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7859 } else { 7860 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7861 } 7862 7863 if (ps != null && !ps.codePath.equals(scanFile)) { 7864 // The path has changed from what was last scanned... check the 7865 // version of the new path against what we have stored to determine 7866 // what to do. 7867 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7868 if (pkg.mVersionCode <= ps.versionCode) { 7869 // The system package has been updated and the code path does not match 7870 // Ignore entry. Skip it. 7871 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7872 + " ignored: updated version " + ps.versionCode 7873 + " better than this " + pkg.mVersionCode); 7874 if (!updatedPkg.codePath.equals(scanFile)) { 7875 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7876 + ps.name + " changing from " + updatedPkg.codePathString 7877 + " to " + scanFile); 7878 updatedPkg.codePath = scanFile; 7879 updatedPkg.codePathString = scanFile.toString(); 7880 updatedPkg.resourcePath = scanFile; 7881 updatedPkg.resourcePathString = scanFile.toString(); 7882 } 7883 updatedPkg.pkg = pkg; 7884 updatedPkg.versionCode = pkg.mVersionCode; 7885 7886 // Update the disabled system child packages to point to the package too. 7887 final int childCount = updatedPkg.childPackageNames != null 7888 ? updatedPkg.childPackageNames.size() : 0; 7889 for (int i = 0; i < childCount; i++) { 7890 String childPackageName = updatedPkg.childPackageNames.get(i); 7891 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7892 childPackageName); 7893 if (updatedChildPkg != null) { 7894 updatedChildPkg.pkg = pkg; 7895 updatedChildPkg.versionCode = pkg.mVersionCode; 7896 } 7897 } 7898 7899 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7900 + scanFile + " ignored: updated version " + ps.versionCode 7901 + " better than this " + pkg.mVersionCode); 7902 } else { 7903 // The current app on the system partition is better than 7904 // what we have updated to on the data partition; switch 7905 // back to the system partition version. 7906 // At this point, its safely assumed that package installation for 7907 // apps in system partition will go through. If not there won't be a working 7908 // version of the app 7909 // writer 7910 synchronized (mPackages) { 7911 // Just remove the loaded entries from package lists. 7912 mPackages.remove(ps.name); 7913 } 7914 7915 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7916 + " reverting from " + ps.codePathString 7917 + ": new version " + pkg.mVersionCode 7918 + " better than installed " + ps.versionCode); 7919 7920 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7921 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7922 synchronized (mInstallLock) { 7923 args.cleanUpResourcesLI(); 7924 } 7925 synchronized (mPackages) { 7926 mSettings.enableSystemPackageLPw(ps.name); 7927 } 7928 updatedPkgBetter = true; 7929 } 7930 } 7931 } 7932 7933 if (updatedPkg != null) { 7934 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7935 // initially 7936 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7937 7938 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7939 // flag set initially 7940 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7941 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7942 } 7943 } 7944 7945 // Verify certificates against what was last scanned 7946 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7947 7948 /* 7949 * A new system app appeared, but we already had a non-system one of the 7950 * same name installed earlier. 7951 */ 7952 boolean shouldHideSystemApp = false; 7953 if (updatedPkg == null && ps != null 7954 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7955 /* 7956 * Check to make sure the signatures match first. If they don't, 7957 * wipe the installed application and its data. 7958 */ 7959 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7960 != PackageManager.SIGNATURE_MATCH) { 7961 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7962 + " signatures don't match existing userdata copy; removing"); 7963 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7964 "scanPackageInternalLI")) { 7965 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7966 } 7967 ps = null; 7968 } else { 7969 /* 7970 * If the newly-added system app is an older version than the 7971 * already installed version, hide it. It will be scanned later 7972 * and re-added like an update. 7973 */ 7974 if (pkg.mVersionCode <= ps.versionCode) { 7975 shouldHideSystemApp = true; 7976 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7977 + " but new version " + pkg.mVersionCode + " better than installed " 7978 + ps.versionCode + "; hiding system"); 7979 } else { 7980 /* 7981 * The newly found system app is a newer version that the 7982 * one previously installed. Simply remove the 7983 * already-installed application and replace it with our own 7984 * while keeping the application data. 7985 */ 7986 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7987 + " reverting from " + ps.codePathString + ": new version " 7988 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7989 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7990 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7991 synchronized (mInstallLock) { 7992 args.cleanUpResourcesLI(); 7993 } 7994 } 7995 } 7996 } 7997 7998 // The apk is forward locked (not public) if its code and resources 7999 // are kept in different files. (except for app in either system or 8000 // vendor path). 8001 // TODO grab this value from PackageSettings 8002 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8003 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 8004 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 8005 } 8006 } 8007 8008 // TODO: extend to support forward-locked splits 8009 String resourcePath = null; 8010 String baseResourcePath = null; 8011 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 8012 if (ps != null && ps.resourcePathString != null) { 8013 resourcePath = ps.resourcePathString; 8014 baseResourcePath = ps.resourcePathString; 8015 } else { 8016 // Should not happen at all. Just log an error. 8017 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 8018 } 8019 } else { 8020 resourcePath = pkg.codePath; 8021 baseResourcePath = pkg.baseCodePath; 8022 } 8023 8024 // Set application objects path explicitly. 8025 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8026 pkg.setApplicationInfoCodePath(pkg.codePath); 8027 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8028 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8029 pkg.setApplicationInfoResourcePath(resourcePath); 8030 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 8031 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8032 8033 final int userId = ((user == null) ? 0 : user.getIdentifier()); 8034 if (ps != null && ps.getInstantApp(userId)) { 8035 scanFlags |= SCAN_AS_INSTANT_APP; 8036 } 8037 8038 // Note that we invoke the following method only if we are about to unpack an application 8039 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 8040 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8041 8042 /* 8043 * If the system app should be overridden by a previously installed 8044 * data, hide the system app now and let the /data/app scan pick it up 8045 * again. 8046 */ 8047 if (shouldHideSystemApp) { 8048 synchronized (mPackages) { 8049 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8050 } 8051 } 8052 8053 return scannedPkg; 8054 } 8055 8056 private void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8057 // Derive the new package synthetic package name 8058 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8059 + pkg.staticSharedLibVersion); 8060 } 8061 8062 private static String fixProcessName(String defProcessName, 8063 String processName) { 8064 if (processName == null) { 8065 return defProcessName; 8066 } 8067 return processName; 8068 } 8069 8070 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 8071 throws PackageManagerException { 8072 if (pkgSetting.signatures.mSignatures != null) { 8073 // Already existing package. Make sure signatures match 8074 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 8075 == PackageManager.SIGNATURE_MATCH; 8076 if (!match) { 8077 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 8078 == PackageManager.SIGNATURE_MATCH; 8079 } 8080 if (!match) { 8081 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 8082 == PackageManager.SIGNATURE_MATCH; 8083 } 8084 if (!match) { 8085 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 8086 + pkg.packageName + " signatures do not match the " 8087 + "previously installed version; ignoring!"); 8088 } 8089 } 8090 8091 // Check for shared user signatures 8092 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 8093 // Already existing package. Make sure signatures match 8094 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8095 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 8096 if (!match) { 8097 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 8098 == PackageManager.SIGNATURE_MATCH; 8099 } 8100 if (!match) { 8101 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 8102 == PackageManager.SIGNATURE_MATCH; 8103 } 8104 if (!match) { 8105 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 8106 "Package " + pkg.packageName 8107 + " has no signatures that match those in shared user " 8108 + pkgSetting.sharedUser.name + "; ignoring!"); 8109 } 8110 } 8111 } 8112 8113 /** 8114 * Enforces that only the system UID or root's UID can call a method exposed 8115 * via Binder. 8116 * 8117 * @param message used as message if SecurityException is thrown 8118 * @throws SecurityException if the caller is not system or root 8119 */ 8120 private static final void enforceSystemOrRoot(String message) { 8121 final int uid = Binder.getCallingUid(); 8122 if (uid != Process.SYSTEM_UID && uid != 0) { 8123 throw new SecurityException(message); 8124 } 8125 } 8126 8127 @Override 8128 public void performFstrimIfNeeded() { 8129 enforceSystemOrRoot("Only the system can request fstrim"); 8130 8131 // Before everything else, see whether we need to fstrim. 8132 try { 8133 IStorageManager sm = PackageHelper.getStorageManager(); 8134 if (sm != null) { 8135 boolean doTrim = false; 8136 final long interval = android.provider.Settings.Global.getLong( 8137 mContext.getContentResolver(), 8138 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8139 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8140 if (interval > 0) { 8141 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8142 if (timeSinceLast > interval) { 8143 doTrim = true; 8144 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8145 + "; running immediately"); 8146 } 8147 } 8148 if (doTrim) { 8149 final boolean dexOptDialogShown; 8150 synchronized (mPackages) { 8151 dexOptDialogShown = mDexOptDialogShown; 8152 } 8153 if (!isFirstBoot() && dexOptDialogShown) { 8154 try { 8155 ActivityManager.getService().showBootMessage( 8156 mContext.getResources().getString( 8157 R.string.android_upgrading_fstrim), true); 8158 } catch (RemoteException e) { 8159 } 8160 } 8161 sm.runMaintenance(); 8162 } 8163 } else { 8164 Slog.e(TAG, "storageManager service unavailable!"); 8165 } 8166 } catch (RemoteException e) { 8167 // Can't happen; StorageManagerService is local 8168 } 8169 } 8170 8171 @Override 8172 public void updatePackagesIfNeeded() { 8173 enforceSystemOrRoot("Only the system can request package update"); 8174 8175 // We need to re-extract after an OTA. 8176 boolean causeUpgrade = isUpgrade(); 8177 8178 // First boot or factory reset. 8179 // Note: we also handle devices that are upgrading to N right now as if it is their 8180 // first boot, as they do not have profile data. 8181 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8182 8183 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8184 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8185 8186 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8187 return; 8188 } 8189 8190 List<PackageParser.Package> pkgs; 8191 synchronized (mPackages) { 8192 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8193 } 8194 8195 final long startTime = System.nanoTime(); 8196 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8197 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 8198 8199 final int elapsedTimeSeconds = 8200 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8201 8202 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8203 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8204 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8205 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8206 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8207 } 8208 8209 /** 8210 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8211 * containing statistics about the invocation. The array consists of three elements, 8212 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8213 * and {@code numberOfPackagesFailed}. 8214 */ 8215 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8216 String compilerFilter) { 8217 8218 int numberOfPackagesVisited = 0; 8219 int numberOfPackagesOptimized = 0; 8220 int numberOfPackagesSkipped = 0; 8221 int numberOfPackagesFailed = 0; 8222 final int numberOfPackagesToDexopt = pkgs.size(); 8223 8224 for (PackageParser.Package pkg : pkgs) { 8225 numberOfPackagesVisited++; 8226 8227 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8228 if (DEBUG_DEXOPT) { 8229 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8230 } 8231 numberOfPackagesSkipped++; 8232 continue; 8233 } 8234 8235 if (DEBUG_DEXOPT) { 8236 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8237 numberOfPackagesToDexopt + ": " + pkg.packageName); 8238 } 8239 8240 if (showDialog) { 8241 try { 8242 ActivityManager.getService().showBootMessage( 8243 mContext.getResources().getString(R.string.android_upgrading_apk, 8244 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8245 } catch (RemoteException e) { 8246 } 8247 synchronized (mPackages) { 8248 mDexOptDialogShown = true; 8249 } 8250 } 8251 8252 // If the OTA updates a system app which was previously preopted to a non-preopted state 8253 // the app might end up being verified at runtime. That's because by default the apps 8254 // are verify-profile but for preopted apps there's no profile. 8255 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 8256 // that before the OTA the app was preopted) the app gets compiled with a non-profile 8257 // filter (by default interpret-only). 8258 // Note that at this stage unused apps are already filtered. 8259 if (isSystemApp(pkg) && 8260 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 8261 !Environment.getReferenceProfile(pkg.packageName).exists()) { 8262 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 8263 } 8264 8265 // checkProfiles is false to avoid merging profiles during boot which 8266 // might interfere with background compilation (b/28612421). 8267 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8268 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8269 // trade-off worth doing to save boot time work. 8270 int dexOptStatus = performDexOptTraced(pkg.packageName, 8271 false /* checkProfiles */, 8272 compilerFilter, 8273 false /* force */); 8274 switch (dexOptStatus) { 8275 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8276 numberOfPackagesOptimized++; 8277 break; 8278 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8279 numberOfPackagesSkipped++; 8280 break; 8281 case PackageDexOptimizer.DEX_OPT_FAILED: 8282 numberOfPackagesFailed++; 8283 break; 8284 default: 8285 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 8286 break; 8287 } 8288 } 8289 8290 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8291 numberOfPackagesFailed }; 8292 } 8293 8294 @Override 8295 public void notifyPackageUse(String packageName, int reason) { 8296 synchronized (mPackages) { 8297 PackageParser.Package p = mPackages.get(packageName); 8298 if (p == null) { 8299 return; 8300 } 8301 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8302 } 8303 } 8304 8305 @Override 8306 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 8307 int userId = UserHandle.getCallingUserId(); 8308 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8309 if (ai == null) { 8310 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8311 + loadingPackageName + ", user=" + userId); 8312 return; 8313 } 8314 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 8315 } 8316 8317 // TODO: this is not used nor needed. Delete it. 8318 @Override 8319 public boolean performDexOptIfNeeded(String packageName) { 8320 int dexOptStatus = performDexOptTraced(packageName, 8321 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 8322 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8323 } 8324 8325 @Override 8326 public boolean performDexOpt(String packageName, 8327 boolean checkProfiles, int compileReason, boolean force) { 8328 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8329 getCompilerFilterForReason(compileReason), force); 8330 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8331 } 8332 8333 @Override 8334 public boolean performDexOptMode(String packageName, 8335 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8336 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8337 targetCompilerFilter, force); 8338 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8339 } 8340 8341 private int performDexOptTraced(String packageName, 8342 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8343 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8344 try { 8345 return performDexOptInternal(packageName, checkProfiles, 8346 targetCompilerFilter, force); 8347 } finally { 8348 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8349 } 8350 } 8351 8352 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 8353 // if the package can now be considered up to date for the given filter. 8354 private int performDexOptInternal(String packageName, 8355 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8356 PackageParser.Package p; 8357 synchronized (mPackages) { 8358 p = mPackages.get(packageName); 8359 if (p == null) { 8360 // Package could not be found. Report failure. 8361 return PackageDexOptimizer.DEX_OPT_FAILED; 8362 } 8363 mPackageUsage.maybeWriteAsync(mPackages); 8364 mCompilerStats.maybeWriteAsync(); 8365 } 8366 long callingId = Binder.clearCallingIdentity(); 8367 try { 8368 synchronized (mInstallLock) { 8369 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 8370 targetCompilerFilter, force); 8371 } 8372 } finally { 8373 Binder.restoreCallingIdentity(callingId); 8374 } 8375 } 8376 8377 public ArraySet<String> getOptimizablePackages() { 8378 ArraySet<String> pkgs = new ArraySet<String>(); 8379 synchronized (mPackages) { 8380 for (PackageParser.Package p : mPackages.values()) { 8381 if (PackageDexOptimizer.canOptimizePackage(p)) { 8382 pkgs.add(p.packageName); 8383 } 8384 } 8385 } 8386 return pkgs; 8387 } 8388 8389 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 8390 boolean checkProfiles, String targetCompilerFilter, 8391 boolean force) { 8392 // Select the dex optimizer based on the force parameter. 8393 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 8394 // allocate an object here. 8395 PackageDexOptimizer pdo = force 8396 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 8397 : mPackageDexOptimizer; 8398 8399 // Optimize all dependencies first. Note: we ignore the return value and march on 8400 // on errors. 8401 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 8402 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 8403 if (!deps.isEmpty()) { 8404 for (PackageParser.Package depPackage : deps) { 8405 // TODO: Analyze and investigate if we (should) profile libraries. 8406 // Currently this will do a full compilation of the library by default. 8407 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 8408 false /* checkProfiles */, 8409 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 8410 getOrCreateCompilerPackageStats(depPackage)); 8411 } 8412 } 8413 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 8414 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 8415 } 8416 8417 // Performs dexopt on the used secondary dex files belonging to the given package. 8418 // Returns true if all dex files were process successfully (which could mean either dexopt or 8419 // skip). Returns false if any of the files caused errors. 8420 @Override 8421 public boolean performDexOptSecondary(String packageName, String compilerFilter, 8422 boolean force) { 8423 return mDexManager.dexoptSecondaryDex(packageName, compilerFilter, force); 8424 } 8425 8426 /** 8427 * Reconcile the information we have about the secondary dex files belonging to 8428 * {@code packagName} and the actual dex files. For all dex files that were 8429 * deleted, update the internal records and delete the generated oat files. 8430 */ 8431 @Override 8432 public void reconcileSecondaryDexFiles(String packageName) { 8433 mDexManager.reconcileSecondaryDexFiles(packageName); 8434 } 8435 8436 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 8437 // a reference there. 8438 /*package*/ DexManager getDexManager() { 8439 return mDexManager; 8440 } 8441 8442 /** 8443 * Execute the background dexopt job immediately. 8444 */ 8445 @Override 8446 public boolean runBackgroundDexoptJob() { 8447 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext); 8448 } 8449 8450 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 8451 if (p.usesLibraries != null || p.usesOptionalLibraries != null 8452 || p.usesStaticLibraries != null) { 8453 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 8454 Set<String> collectedNames = new HashSet<>(); 8455 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 8456 8457 retValue.remove(p); 8458 8459 return retValue; 8460 } else { 8461 return Collections.emptyList(); 8462 } 8463 } 8464 8465 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 8466 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8467 if (!collectedNames.contains(p.packageName)) { 8468 collectedNames.add(p.packageName); 8469 collected.add(p); 8470 8471 if (p.usesLibraries != null) { 8472 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 8473 null, collected, collectedNames); 8474 } 8475 if (p.usesOptionalLibraries != null) { 8476 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 8477 null, collected, collectedNames); 8478 } 8479 if (p.usesStaticLibraries != null) { 8480 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 8481 p.usesStaticLibrariesVersions, collected, collectedNames); 8482 } 8483 } 8484 } 8485 8486 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 8487 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8488 final int libNameCount = libs.size(); 8489 for (int i = 0; i < libNameCount; i++) { 8490 String libName = libs.get(i); 8491 int version = (versions != null && versions.length == libNameCount) 8492 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 8493 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 8494 if (libPkg != null) { 8495 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 8496 } 8497 } 8498 } 8499 8500 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 8501 synchronized (mPackages) { 8502 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 8503 if (libEntry != null) { 8504 return mPackages.get(libEntry.apk); 8505 } 8506 return null; 8507 } 8508 } 8509 8510 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 8511 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 8512 if (versionedLib == null) { 8513 return null; 8514 } 8515 return versionedLib.get(version); 8516 } 8517 8518 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 8519 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 8520 pkg.staticSharedLibName); 8521 if (versionedLib == null) { 8522 return null; 8523 } 8524 int previousLibVersion = -1; 8525 final int versionCount = versionedLib.size(); 8526 for (int i = 0; i < versionCount; i++) { 8527 final int libVersion = versionedLib.keyAt(i); 8528 if (libVersion < pkg.staticSharedLibVersion) { 8529 previousLibVersion = Math.max(previousLibVersion, libVersion); 8530 } 8531 } 8532 if (previousLibVersion >= 0) { 8533 return versionedLib.get(previousLibVersion); 8534 } 8535 return null; 8536 } 8537 8538 public void shutdown() { 8539 mPackageUsage.writeNow(mPackages); 8540 mCompilerStats.writeNow(); 8541 } 8542 8543 @Override 8544 public void dumpProfiles(String packageName) { 8545 PackageParser.Package pkg; 8546 synchronized (mPackages) { 8547 pkg = mPackages.get(packageName); 8548 if (pkg == null) { 8549 throw new IllegalArgumentException("Unknown package: " + packageName); 8550 } 8551 } 8552 /* Only the shell, root, or the app user should be able to dump profiles. */ 8553 int callingUid = Binder.getCallingUid(); 8554 if (callingUid != Process.SHELL_UID && 8555 callingUid != Process.ROOT_UID && 8556 callingUid != pkg.applicationInfo.uid) { 8557 throw new SecurityException("dumpProfiles"); 8558 } 8559 8560 synchronized (mInstallLock) { 8561 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 8562 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 8563 try { 8564 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 8565 String codePaths = TextUtils.join(";", allCodePaths); 8566 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 8567 } catch (InstallerException e) { 8568 Slog.w(TAG, "Failed to dump profiles", e); 8569 } 8570 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8571 } 8572 } 8573 8574 @Override 8575 public void forceDexOpt(String packageName) { 8576 enforceSystemOrRoot("forceDexOpt"); 8577 8578 PackageParser.Package pkg; 8579 synchronized (mPackages) { 8580 pkg = mPackages.get(packageName); 8581 if (pkg == null) { 8582 throw new IllegalArgumentException("Unknown package: " + packageName); 8583 } 8584 } 8585 8586 synchronized (mInstallLock) { 8587 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8588 8589 // Whoever is calling forceDexOpt wants a fully compiled package. 8590 // Don't use profiles since that may cause compilation to be skipped. 8591 final int res = performDexOptInternalWithDependenciesLI(pkg, 8592 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 8593 true /* force */); 8594 8595 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8596 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 8597 throw new IllegalStateException("Failed to dexopt: " + res); 8598 } 8599 } 8600 } 8601 8602 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 8603 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 8604 Slog.w(TAG, "Unable to update from " + oldPkg.name 8605 + " to " + newPkg.packageName 8606 + ": old package not in system partition"); 8607 return false; 8608 } else if (mPackages.get(oldPkg.name) != null) { 8609 Slog.w(TAG, "Unable to update from " + oldPkg.name 8610 + " to " + newPkg.packageName 8611 + ": old package still exists"); 8612 return false; 8613 } 8614 return true; 8615 } 8616 8617 void removeCodePathLI(File codePath) { 8618 if (codePath.isDirectory()) { 8619 try { 8620 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8621 } catch (InstallerException e) { 8622 Slog.w(TAG, "Failed to remove code path", e); 8623 } 8624 } else { 8625 codePath.delete(); 8626 } 8627 } 8628 8629 private int[] resolveUserIds(int userId) { 8630 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8631 } 8632 8633 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8634 if (pkg == null) { 8635 Slog.wtf(TAG, "Package was null!", new Throwable()); 8636 return; 8637 } 8638 clearAppDataLeafLIF(pkg, userId, flags); 8639 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8640 for (int i = 0; i < childCount; i++) { 8641 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8642 } 8643 } 8644 8645 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8646 final PackageSetting ps; 8647 synchronized (mPackages) { 8648 ps = mSettings.mPackages.get(pkg.packageName); 8649 } 8650 for (int realUserId : resolveUserIds(userId)) { 8651 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8652 try { 8653 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8654 ceDataInode); 8655 } catch (InstallerException e) { 8656 Slog.w(TAG, String.valueOf(e)); 8657 } 8658 } 8659 } 8660 8661 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8662 if (pkg == null) { 8663 Slog.wtf(TAG, "Package was null!", new Throwable()); 8664 return; 8665 } 8666 destroyAppDataLeafLIF(pkg, userId, flags); 8667 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8668 for (int i = 0; i < childCount; i++) { 8669 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8670 } 8671 } 8672 8673 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8674 final PackageSetting ps; 8675 synchronized (mPackages) { 8676 ps = mSettings.mPackages.get(pkg.packageName); 8677 } 8678 for (int realUserId : resolveUserIds(userId)) { 8679 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8680 try { 8681 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8682 ceDataInode); 8683 } catch (InstallerException e) { 8684 Slog.w(TAG, String.valueOf(e)); 8685 } 8686 } 8687 } 8688 8689 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8690 if (pkg == null) { 8691 Slog.wtf(TAG, "Package was null!", new Throwable()); 8692 return; 8693 } 8694 destroyAppProfilesLeafLIF(pkg); 8695 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 8696 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8697 for (int i = 0; i < childCount; i++) { 8698 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8699 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 8700 true /* removeBaseMarker */); 8701 } 8702 } 8703 8704 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 8705 boolean removeBaseMarker) { 8706 if (pkg.isForwardLocked()) { 8707 return; 8708 } 8709 8710 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 8711 try { 8712 path = PackageManagerServiceUtils.realpath(new File(path)); 8713 } catch (IOException e) { 8714 // TODO: Should we return early here ? 8715 Slog.w(TAG, "Failed to get canonical path", e); 8716 continue; 8717 } 8718 8719 final String useMarker = path.replace('/', '@'); 8720 for (int realUserId : resolveUserIds(userId)) { 8721 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 8722 if (removeBaseMarker) { 8723 File foreignUseMark = new File(profileDir, useMarker); 8724 if (foreignUseMark.exists()) { 8725 if (!foreignUseMark.delete()) { 8726 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8727 + pkg.packageName); 8728 } 8729 } 8730 } 8731 8732 File[] markers = profileDir.listFiles(); 8733 if (markers != null) { 8734 final String searchString = "@" + pkg.packageName + "@"; 8735 // We also delete all markers that contain the package name we're 8736 // uninstalling. These are associated with secondary dex-files belonging 8737 // to the package. Reconstructing the path of these dex files is messy 8738 // in general. 8739 for (File marker : markers) { 8740 if (marker.getName().indexOf(searchString) > 0) { 8741 if (!marker.delete()) { 8742 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8743 + pkg.packageName); 8744 } 8745 } 8746 } 8747 } 8748 } 8749 } 8750 } 8751 8752 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8753 try { 8754 mInstaller.destroyAppProfiles(pkg.packageName); 8755 } catch (InstallerException e) { 8756 Slog.w(TAG, String.valueOf(e)); 8757 } 8758 } 8759 8760 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8761 if (pkg == null) { 8762 Slog.wtf(TAG, "Package was null!", new Throwable()); 8763 return; 8764 } 8765 clearAppProfilesLeafLIF(pkg); 8766 // We don't remove the base foreign use marker when clearing profiles because 8767 // we will rename it when the app is updated. Unlike the actual profile contents, 8768 // the foreign use marker is good across installs. 8769 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 8770 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8771 for (int i = 0; i < childCount; i++) { 8772 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8773 } 8774 } 8775 8776 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8777 try { 8778 mInstaller.clearAppProfiles(pkg.packageName); 8779 } catch (InstallerException e) { 8780 Slog.w(TAG, String.valueOf(e)); 8781 } 8782 } 8783 8784 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 8785 long lastUpdateTime) { 8786 // Set parent install/update time 8787 PackageSetting ps = (PackageSetting) pkg.mExtras; 8788 if (ps != null) { 8789 ps.firstInstallTime = firstInstallTime; 8790 ps.lastUpdateTime = lastUpdateTime; 8791 } 8792 // Set children install/update time 8793 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8794 for (int i = 0; i < childCount; i++) { 8795 PackageParser.Package childPkg = pkg.childPackages.get(i); 8796 ps = (PackageSetting) childPkg.mExtras; 8797 if (ps != null) { 8798 ps.firstInstallTime = firstInstallTime; 8799 ps.lastUpdateTime = lastUpdateTime; 8800 } 8801 } 8802 } 8803 8804 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 8805 PackageParser.Package changingLib) { 8806 if (file.path != null) { 8807 usesLibraryFiles.add(file.path); 8808 return; 8809 } 8810 PackageParser.Package p = mPackages.get(file.apk); 8811 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 8812 // If we are doing this while in the middle of updating a library apk, 8813 // then we need to make sure to use that new apk for determining the 8814 // dependencies here. (We haven't yet finished committing the new apk 8815 // to the package manager state.) 8816 if (p == null || p.packageName.equals(changingLib.packageName)) { 8817 p = changingLib; 8818 } 8819 } 8820 if (p != null) { 8821 usesLibraryFiles.addAll(p.getAllCodePaths()); 8822 } 8823 } 8824 8825 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 8826 PackageParser.Package changingLib) throws PackageManagerException { 8827 if (pkg == null) { 8828 return; 8829 } 8830 ArraySet<String> usesLibraryFiles = null; 8831 if (pkg.usesLibraries != null) { 8832 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 8833 null, null, pkg.packageName, changingLib, true, null); 8834 } 8835 if (pkg.usesStaticLibraries != null) { 8836 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 8837 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 8838 pkg.packageName, changingLib, true, usesLibraryFiles); 8839 } 8840 if (pkg.usesOptionalLibraries != null) { 8841 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 8842 null, null, pkg.packageName, changingLib, false, usesLibraryFiles); 8843 } 8844 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 8845 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 8846 } else { 8847 pkg.usesLibraryFiles = null; 8848 } 8849 } 8850 8851 private ArraySet<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 8852 @Nullable int[] requiredVersions, @Nullable String[] requiredCertDigests, 8853 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 8854 boolean required, @Nullable ArraySet<String> outUsedLibraries) 8855 throws PackageManagerException { 8856 final int libCount = requestedLibraries.size(); 8857 for (int i = 0; i < libCount; i++) { 8858 final String libName = requestedLibraries.get(i); 8859 final int libVersion = requiredVersions != null ? requiredVersions[i] 8860 : SharedLibraryInfo.VERSION_UNDEFINED; 8861 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 8862 if (libEntry == null) { 8863 if (required) { 8864 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8865 "Package " + packageName + " requires unavailable shared library " 8866 + libName + "; failing!"); 8867 } else { 8868 Slog.w(TAG, "Package " + packageName 8869 + " desires unavailable shared library " 8870 + libName + "; ignoring!"); 8871 } 8872 } else { 8873 if (requiredVersions != null && requiredCertDigests != null) { 8874 if (libEntry.info.getVersion() != requiredVersions[i]) { 8875 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8876 "Package " + packageName + " requires unavailable static shared" 8877 + " library " + libName + " version " 8878 + libEntry.info.getVersion() + "; failing!"); 8879 } 8880 8881 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 8882 if (libPkg == null) { 8883 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8884 "Package " + packageName + " requires unavailable static shared" 8885 + " library; failing!"); 8886 } 8887 8888 String expectedCertDigest = requiredCertDigests[i]; 8889 String libCertDigest = PackageUtils.computeCertSha256Digest( 8890 libPkg.mSignatures[0]); 8891 if (!libCertDigest.equalsIgnoreCase(expectedCertDigest)) { 8892 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8893 "Package " + packageName + " requires differently signed" + 8894 " static shared library; failing!"); 8895 } 8896 } 8897 8898 if (outUsedLibraries == null) { 8899 outUsedLibraries = new ArraySet<>(); 8900 } 8901 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 8902 } 8903 } 8904 return outUsedLibraries; 8905 } 8906 8907 private static boolean hasString(List<String> list, List<String> which) { 8908 if (list == null) { 8909 return false; 8910 } 8911 for (int i=list.size()-1; i>=0; i--) { 8912 for (int j=which.size()-1; j>=0; j--) { 8913 if (which.get(j).equals(list.get(i))) { 8914 return true; 8915 } 8916 } 8917 } 8918 return false; 8919 } 8920 8921 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8922 PackageParser.Package changingPkg) { 8923 ArrayList<PackageParser.Package> res = null; 8924 for (PackageParser.Package pkg : mPackages.values()) { 8925 if (changingPkg != null 8926 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 8927 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 8928 && !ArrayUtils.contains(pkg.usesStaticLibraries, 8929 changingPkg.staticSharedLibName)) { 8930 return null; 8931 } 8932 if (res == null) { 8933 res = new ArrayList<>(); 8934 } 8935 res.add(pkg); 8936 try { 8937 updateSharedLibrariesLPr(pkg, changingPkg); 8938 } catch (PackageManagerException e) { 8939 // If a system app update or an app and a required lib missing we 8940 // delete the package and for updated system apps keep the data as 8941 // it is better for the user to reinstall than to be in an limbo 8942 // state. Also libs disappearing under an app should never happen 8943 // - just in case. 8944 if (!pkg.isSystemApp() || pkg.isUpdatedSystemApp()) { 8945 final int flags = pkg.isUpdatedSystemApp() 8946 ? PackageManager.DELETE_KEEP_DATA : 0; 8947 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 8948 flags , null, true, null); 8949 } 8950 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8951 } 8952 } 8953 return res; 8954 } 8955 8956 /** 8957 * Derive the value of the {@code cpuAbiOverride} based on the provided 8958 * value and an optional stored value from the package settings. 8959 */ 8960 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8961 String cpuAbiOverride = null; 8962 8963 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8964 cpuAbiOverride = null; 8965 } else if (abiOverride != null) { 8966 cpuAbiOverride = abiOverride; 8967 } else if (settings != null) { 8968 cpuAbiOverride = settings.cpuAbiOverrideString; 8969 } 8970 8971 return cpuAbiOverride; 8972 } 8973 8974 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8975 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8976 throws PackageManagerException { 8977 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8978 // If the package has children and this is the first dive in the function 8979 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 8980 // whether all packages (parent and children) would be successfully scanned 8981 // before the actual scan since scanning mutates internal state and we want 8982 // to atomically install the package and its children. 8983 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8984 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8985 scanFlags |= SCAN_CHECK_ONLY; 8986 } 8987 } else { 8988 scanFlags &= ~SCAN_CHECK_ONLY; 8989 } 8990 8991 final PackageParser.Package scannedPkg; 8992 try { 8993 // Scan the parent 8994 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 8995 // Scan the children 8996 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8997 for (int i = 0; i < childCount; i++) { 8998 PackageParser.Package childPkg = pkg.childPackages.get(i); 8999 scanPackageLI(childPkg, policyFlags, 9000 scanFlags, currentTime, user); 9001 } 9002 } finally { 9003 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9004 } 9005 9006 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9007 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 9008 } 9009 9010 return scannedPkg; 9011 } 9012 9013 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 9014 int scanFlags, long currentTime, @Nullable UserHandle user) 9015 throws PackageManagerException { 9016 boolean success = false; 9017 try { 9018 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 9019 currentTime, user); 9020 success = true; 9021 return res; 9022 } finally { 9023 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 9024 // DELETE_DATA_ON_FAILURES is only used by frozen paths 9025 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 9026 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 9027 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 9028 } 9029 } 9030 } 9031 9032 /** 9033 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 9034 */ 9035 private static boolean apkHasCode(String fileName) { 9036 StrictJarFile jarFile = null; 9037 try { 9038 jarFile = new StrictJarFile(fileName, 9039 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 9040 return jarFile.findEntry("classes.dex") != null; 9041 } catch (IOException ignore) { 9042 } finally { 9043 try { 9044 if (jarFile != null) { 9045 jarFile.close(); 9046 } 9047 } catch (IOException ignore) {} 9048 } 9049 return false; 9050 } 9051 9052 /** 9053 * Enforces code policy for the package. This ensures that if an APK has 9054 * declared hasCode="true" in its manifest that the APK actually contains 9055 * code. 9056 * 9057 * @throws PackageManagerException If bytecode could not be found when it should exist 9058 */ 9059 private static void assertCodePolicy(PackageParser.Package pkg) 9060 throws PackageManagerException { 9061 final boolean shouldHaveCode = 9062 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 9063 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 9064 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9065 "Package " + pkg.baseCodePath + " code is missing"); 9066 } 9067 9068 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 9069 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 9070 final boolean splitShouldHaveCode = 9071 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 9072 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 9073 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9074 "Package " + pkg.splitCodePaths[i] + " code is missing"); 9075 } 9076 } 9077 } 9078 } 9079 9080 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 9081 final int policyFlags, final int scanFlags, long currentTime, @Nullable UserHandle user) 9082 throws PackageManagerException { 9083 if (DEBUG_PACKAGE_SCANNING) { 9084 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9085 Log.d(TAG, "Scanning package " + pkg.packageName); 9086 } 9087 9088 applyPolicy(pkg, policyFlags); 9089 9090 assertPackageIsValid(pkg, policyFlags, scanFlags); 9091 9092 // Initialize package source and resource directories 9093 final File scanFile = new File(pkg.codePath); 9094 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 9095 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 9096 9097 SharedUserSetting suid = null; 9098 PackageSetting pkgSetting = null; 9099 9100 // Getting the package setting may have a side-effect, so if we 9101 // are only checking if scan would succeed, stash a copy of the 9102 // old setting to restore at the end. 9103 PackageSetting nonMutatedPs = null; 9104 9105 // We keep references to the derived CPU Abis from settings in oder to reuse 9106 // them in the case where we're not upgrading or booting for the first time. 9107 String primaryCpuAbiFromSettings = null; 9108 String secondaryCpuAbiFromSettings = null; 9109 9110 // writer 9111 synchronized (mPackages) { 9112 if (pkg.mSharedUserId != null) { 9113 // SIDE EFFECTS; may potentially allocate a new shared user 9114 suid = mSettings.getSharedUserLPw( 9115 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 9116 if (DEBUG_PACKAGE_SCANNING) { 9117 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9118 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 9119 + "): packages=" + suid.packages); 9120 } 9121 } 9122 9123 // Check if we are renaming from an original package name. 9124 PackageSetting origPackage = null; 9125 String realName = null; 9126 if (pkg.mOriginalPackages != null) { 9127 // This package may need to be renamed to a previously 9128 // installed name. Let's check on that... 9129 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 9130 if (pkg.mOriginalPackages.contains(renamed)) { 9131 // This package had originally been installed as the 9132 // original name, and we have already taken care of 9133 // transitioning to the new one. Just update the new 9134 // one to continue using the old name. 9135 realName = pkg.mRealPackage; 9136 if (!pkg.packageName.equals(renamed)) { 9137 // Callers into this function may have already taken 9138 // care of renaming the package; only do it here if 9139 // it is not already done. 9140 pkg.setPackageName(renamed); 9141 } 9142 } else { 9143 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 9144 if ((origPackage = mSettings.getPackageLPr( 9145 pkg.mOriginalPackages.get(i))) != null) { 9146 // We do have the package already installed under its 9147 // original name... should we use it? 9148 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 9149 // New package is not compatible with original. 9150 origPackage = null; 9151 continue; 9152 } else if (origPackage.sharedUser != null) { 9153 // Make sure uid is compatible between packages. 9154 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 9155 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 9156 + " to " + pkg.packageName + ": old uid " 9157 + origPackage.sharedUser.name 9158 + " differs from " + pkg.mSharedUserId); 9159 origPackage = null; 9160 continue; 9161 } 9162 // TODO: Add case when shared user id is added [b/28144775] 9163 } else { 9164 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 9165 + pkg.packageName + " to old name " + origPackage.name); 9166 } 9167 break; 9168 } 9169 } 9170 } 9171 } 9172 9173 if (mTransferedPackages.contains(pkg.packageName)) { 9174 Slog.w(TAG, "Package " + pkg.packageName 9175 + " was transferred to another, but its .apk remains"); 9176 } 9177 9178 // See comments in nonMutatedPs declaration 9179 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9180 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9181 if (foundPs != null) { 9182 nonMutatedPs = new PackageSetting(foundPs); 9183 } 9184 } 9185 9186 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 9187 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9188 if (foundPs != null) { 9189 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 9190 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 9191 } 9192 } 9193 9194 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 9195 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 9196 PackageManagerService.reportSettingsProblem(Log.WARN, 9197 "Package " + pkg.packageName + " shared user changed from " 9198 + (pkgSetting.sharedUser != null 9199 ? pkgSetting.sharedUser.name : "<nothing>") 9200 + " to " 9201 + (suid != null ? suid.name : "<nothing>") 9202 + "; replacing with new"); 9203 pkgSetting = null; 9204 } 9205 final PackageSetting oldPkgSetting = 9206 pkgSetting == null ? null : new PackageSetting(pkgSetting); 9207 final PackageSetting disabledPkgSetting = 9208 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9209 9210 String[] usesStaticLibraries = null; 9211 if (pkg.usesStaticLibraries != null) { 9212 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 9213 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 9214 } 9215 9216 if (pkgSetting == null) { 9217 final String parentPackageName = (pkg.parentPackage != null) 9218 ? pkg.parentPackage.packageName : null; 9219 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 9220 // REMOVE SharedUserSetting from method; update in a separate call 9221 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 9222 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 9223 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 9224 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 9225 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 9226 true /*allowInstall*/, instantApp, parentPackageName, 9227 pkg.getChildPackageNames(), UserManagerService.getInstance(), 9228 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 9229 // SIDE EFFECTS; updates system state; move elsewhere 9230 if (origPackage != null) { 9231 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 9232 } 9233 mSettings.addUserToSettingLPw(pkgSetting); 9234 } else { 9235 // REMOVE SharedUserSetting from method; update in a separate call. 9236 // 9237 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 9238 // secondaryCpuAbi are not known at this point so we always update them 9239 // to null here, only to reset them at a later point. 9240 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 9241 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 9242 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 9243 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 9244 UserManagerService.getInstance(), usesStaticLibraries, 9245 pkg.usesStaticLibrariesVersions); 9246 } 9247 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 9248 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9249 9250 // SIDE EFFECTS; modifies system state; move elsewhere 9251 if (pkgSetting.origPackage != null) { 9252 // If we are first transitioning from an original package, 9253 // fix up the new package's name now. We need to do this after 9254 // looking up the package under its new name, so getPackageLP 9255 // can take care of fiddling things correctly. 9256 pkg.setPackageName(origPackage.name); 9257 9258 // File a report about this. 9259 String msg = "New package " + pkgSetting.realName 9260 + " renamed to replace old package " + pkgSetting.name; 9261 reportSettingsProblem(Log.WARN, msg); 9262 9263 // Make a note of it. 9264 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9265 mTransferedPackages.add(origPackage.name); 9266 } 9267 9268 // No longer need to retain this. 9269 pkgSetting.origPackage = null; 9270 } 9271 9272 // SIDE EFFECTS; modifies system state; move elsewhere 9273 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 9274 // Make a note of it. 9275 mTransferedPackages.add(pkg.packageName); 9276 } 9277 9278 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 9279 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9280 } 9281 9282 if ((scanFlags & SCAN_BOOTING) == 0 9283 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9284 // Check all shared libraries and map to their actual file path. 9285 // We only do this here for apps not on a system dir, because those 9286 // are the only ones that can fail an install due to this. We 9287 // will take care of the system apps by updating all of their 9288 // library paths after the scan is done. Also during the initial 9289 // scan don't update any libs as we do this wholesale after all 9290 // apps are scanned to avoid dependency based scanning. 9291 updateSharedLibrariesLPr(pkg, null); 9292 } 9293 9294 if (mFoundPolicyFile) { 9295 SELinuxMMAC.assignSeInfoValue(pkg); 9296 } 9297 pkg.applicationInfo.uid = pkgSetting.appId; 9298 pkg.mExtras = pkgSetting; 9299 9300 9301 // Static shared libs have same package with different versions where 9302 // we internally use a synthetic package name to allow multiple versions 9303 // of the same package, therefore we need to compare signatures against 9304 // the package setting for the latest library version. 9305 PackageSetting signatureCheckPs = pkgSetting; 9306 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9307 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9308 if (libraryEntry != null) { 9309 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9310 } 9311 } 9312 9313 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 9314 if (checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 9315 // We just determined the app is signed correctly, so bring 9316 // over the latest parsed certs. 9317 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9318 } else { 9319 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9320 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9321 "Package " + pkg.packageName + " upgrade keys do not match the " 9322 + "previously installed version"); 9323 } else { 9324 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9325 String msg = "System package " + pkg.packageName 9326 + " signature changed; retaining data."; 9327 reportSettingsProblem(Log.WARN, msg); 9328 } 9329 } 9330 } else { 9331 try { 9332 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 9333 verifySignaturesLP(signatureCheckPs, pkg); 9334 // We just determined the app is signed correctly, so bring 9335 // over the latest parsed certs. 9336 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9337 } catch (PackageManagerException e) { 9338 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9339 throw e; 9340 } 9341 // The signature has changed, but this package is in the system 9342 // image... let's recover! 9343 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9344 // However... if this package is part of a shared user, but it 9345 // doesn't match the signature of the shared user, let's fail. 9346 // What this means is that you can't change the signatures 9347 // associated with an overall shared user, which doesn't seem all 9348 // that unreasonable. 9349 if (signatureCheckPs.sharedUser != null) { 9350 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9351 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9352 throw new PackageManagerException( 9353 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9354 "Signature mismatch for shared user: " 9355 + pkgSetting.sharedUser); 9356 } 9357 } 9358 // File a report about this. 9359 String msg = "System package " + pkg.packageName 9360 + " signature changed; retaining data."; 9361 reportSettingsProblem(Log.WARN, msg); 9362 } 9363 } 9364 9365 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9366 // This package wants to adopt ownership of permissions from 9367 // another package. 9368 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 9369 final String origName = pkg.mAdoptPermissions.get(i); 9370 final PackageSetting orig = mSettings.getPackageLPr(origName); 9371 if (orig != null) { 9372 if (verifyPackageUpdateLPr(orig, pkg)) { 9373 Slog.i(TAG, "Adopting permissions from " + origName + " to " 9374 + pkg.packageName); 9375 // SIDE EFFECTS; updates permissions system state; move elsewhere 9376 mSettings.transferPermissionsLPw(origName, pkg.packageName); 9377 } 9378 } 9379 } 9380 } 9381 } 9382 9383 pkg.applicationInfo.processName = fixProcessName( 9384 pkg.applicationInfo.packageName, 9385 pkg.applicationInfo.processName); 9386 9387 if (pkg != mPlatformPackage) { 9388 // Get all of our default paths setup 9389 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 9390 } 9391 9392 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 9393 9394 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 9395 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 9396 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 9397 derivePackageAbi( 9398 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 9399 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9400 9401 // Some system apps still use directory structure for native libraries 9402 // in which case we might end up not detecting abi solely based on apk 9403 // structure. Try to detect abi based on directory structure. 9404 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 9405 pkg.applicationInfo.primaryCpuAbi == null) { 9406 setBundledAppAbisAndRoots(pkg, pkgSetting); 9407 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9408 } 9409 } else { 9410 // This is not a first boot or an upgrade, don't bother deriving the 9411 // ABI during the scan. Instead, trust the value that was stored in the 9412 // package setting. 9413 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 9414 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 9415 9416 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9417 9418 if (DEBUG_ABI_SELECTION) { 9419 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 9420 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 9421 pkg.applicationInfo.secondaryCpuAbi); 9422 } 9423 } 9424 } else { 9425 if ((scanFlags & SCAN_MOVE) != 0) { 9426 // We haven't run dex-opt for this move (since we've moved the compiled output too) 9427 // but we already have this packages package info in the PackageSetting. We just 9428 // use that and derive the native library path based on the new codepath. 9429 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 9430 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 9431 } 9432 9433 // Set native library paths again. For moves, the path will be updated based on the 9434 // ABIs we've determined above. For non-moves, the path will be updated based on the 9435 // ABIs we determined during compilation, but the path will depend on the final 9436 // package path (after the rename away from the stage path). 9437 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9438 } 9439 9440 // This is a special case for the "system" package, where the ABI is 9441 // dictated by the zygote configuration (and init.rc). We should keep track 9442 // of this ABI so that we can deal with "normal" applications that run under 9443 // the same UID correctly. 9444 if (mPlatformPackage == pkg) { 9445 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 9446 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 9447 } 9448 9449 // If there's a mismatch between the abi-override in the package setting 9450 // and the abiOverride specified for the install. Warn about this because we 9451 // would've already compiled the app without taking the package setting into 9452 // account. 9453 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 9454 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 9455 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 9456 " for package " + pkg.packageName); 9457 } 9458 } 9459 9460 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9461 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9462 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 9463 9464 // Copy the derived override back to the parsed package, so that we can 9465 // update the package settings accordingly. 9466 pkg.cpuAbiOverride = cpuAbiOverride; 9467 9468 if (DEBUG_ABI_SELECTION) { 9469 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 9470 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 9471 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 9472 } 9473 9474 // Push the derived path down into PackageSettings so we know what to 9475 // clean up at uninstall time. 9476 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 9477 9478 if (DEBUG_ABI_SELECTION) { 9479 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 9480 " primary=" + pkg.applicationInfo.primaryCpuAbi + 9481 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 9482 } 9483 9484 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 9485 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 9486 // We don't do this here during boot because we can do it all 9487 // at once after scanning all existing packages. 9488 // 9489 // We also do this *before* we perform dexopt on this package, so that 9490 // we can avoid redundant dexopts, and also to make sure we've got the 9491 // code and package path correct. 9492 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 9493 } 9494 9495 if (mFactoryTest && pkg.requestedPermissions.contains( 9496 android.Manifest.permission.FACTORY_TEST)) { 9497 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 9498 } 9499 9500 if (isSystemApp(pkg)) { 9501 pkgSetting.isOrphaned = true; 9502 } 9503 9504 // Take care of first install / last update times. 9505 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 9506 if (currentTime != 0) { 9507 if (pkgSetting.firstInstallTime == 0) { 9508 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 9509 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 9510 pkgSetting.lastUpdateTime = currentTime; 9511 } 9512 } else if (pkgSetting.firstInstallTime == 0) { 9513 // We need *something*. Take time time stamp of the file. 9514 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 9515 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 9516 if (scanFileTime != pkgSetting.timeStamp) { 9517 // A package on the system image has changed; consider this 9518 // to be an update. 9519 pkgSetting.lastUpdateTime = scanFileTime; 9520 } 9521 } 9522 pkgSetting.setTimeStamp(scanFileTime); 9523 9524 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9525 if (nonMutatedPs != null) { 9526 synchronized (mPackages) { 9527 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 9528 } 9529 } 9530 } else { 9531 final int userId = user == null ? 0 : user.getIdentifier(); 9532 // Modify state for the given package setting 9533 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 9534 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 9535 if (pkgSetting.getInstantApp(userId)) { 9536 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 9537 } 9538 } 9539 return pkg; 9540 } 9541 9542 /** 9543 * Applies policy to the parsed package based upon the given policy flags. 9544 * Ensures the package is in a good state. 9545 * <p> 9546 * Implementation detail: This method must NOT have any side effect. It would 9547 * ideally be static, but, it requires locks to read system state. 9548 */ 9549 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 9550 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 9551 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 9552 if (pkg.applicationInfo.isDirectBootAware()) { 9553 // we're direct boot aware; set for all components 9554 for (PackageParser.Service s : pkg.services) { 9555 s.info.encryptionAware = s.info.directBootAware = true; 9556 } 9557 for (PackageParser.Provider p : pkg.providers) { 9558 p.info.encryptionAware = p.info.directBootAware = true; 9559 } 9560 for (PackageParser.Activity a : pkg.activities) { 9561 a.info.encryptionAware = a.info.directBootAware = true; 9562 } 9563 for (PackageParser.Activity r : pkg.receivers) { 9564 r.info.encryptionAware = r.info.directBootAware = true; 9565 } 9566 } 9567 } else { 9568 // Only allow system apps to be flagged as core apps. 9569 pkg.coreApp = false; 9570 // clear flags not applicable to regular apps 9571 pkg.applicationInfo.privateFlags &= 9572 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 9573 pkg.applicationInfo.privateFlags &= 9574 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 9575 } 9576 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 9577 9578 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 9579 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 9580 } 9581 9582 if (!isSystemApp(pkg)) { 9583 // Only system apps can use these features. 9584 pkg.mOriginalPackages = null; 9585 pkg.mRealPackage = null; 9586 pkg.mAdoptPermissions = null; 9587 } 9588 } 9589 9590 /** 9591 * Asserts the parsed package is valid according to the given policy. If the 9592 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 9593 * <p> 9594 * Implementation detail: This method must NOT have any side effects. It would 9595 * ideally be static, but, it requires locks to read system state. 9596 * 9597 * @throws PackageManagerException If the package fails any of the validation checks 9598 */ 9599 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 9600 throws PackageManagerException { 9601 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 9602 assertCodePolicy(pkg); 9603 } 9604 9605 if (pkg.applicationInfo.getCodePath() == null || 9606 pkg.applicationInfo.getResourcePath() == null) { 9607 // Bail out. The resource and code paths haven't been set. 9608 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9609 "Code and resource paths haven't been set correctly"); 9610 } 9611 9612 // Make sure we're not adding any bogus keyset info 9613 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9614 ksms.assertScannedPackageValid(pkg); 9615 9616 synchronized (mPackages) { 9617 // The special "android" package can only be defined once 9618 if (pkg.packageName.equals("android")) { 9619 if (mAndroidApplication != null) { 9620 Slog.w(TAG, "*************************************************"); 9621 Slog.w(TAG, "Core android package being redefined. Skipping."); 9622 Slog.w(TAG, " codePath=" + pkg.codePath); 9623 Slog.w(TAG, "*************************************************"); 9624 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9625 "Core android package being redefined. Skipping."); 9626 } 9627 } 9628 9629 // A package name must be unique; don't allow duplicates 9630 if (mPackages.containsKey(pkg.packageName)) { 9631 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9632 "Application package " + pkg.packageName 9633 + " already installed. Skipping duplicate."); 9634 } 9635 9636 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9637 // Static libs have a synthetic package name containing the version 9638 // but we still want the base name to be unique. 9639 if (mPackages.containsKey(pkg.manifestPackageName)) { 9640 throw new PackageManagerException( 9641 "Duplicate static shared lib provider package"); 9642 } 9643 9644 // Static shared libraries should have at least O target SDK 9645 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 9646 throw new PackageManagerException( 9647 "Packages declaring static-shared libs must target O SDK or higher"); 9648 } 9649 9650 // Package declaring static a shared lib cannot be instant apps 9651 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 9652 throw new PackageManagerException( 9653 "Packages declaring static-shared libs cannot be instant apps"); 9654 } 9655 9656 // Package declaring static a shared lib cannot be renamed since the package 9657 // name is synthetic and apps can't code around package manager internals. 9658 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 9659 throw new PackageManagerException( 9660 "Packages declaring static-shared libs cannot be renamed"); 9661 } 9662 9663 // Package declaring static a shared lib cannot declare child packages 9664 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 9665 throw new PackageManagerException( 9666 "Packages declaring static-shared libs cannot have child packages"); 9667 } 9668 9669 // Package declaring static a shared lib cannot declare dynamic libs 9670 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 9671 throw new PackageManagerException( 9672 "Packages declaring static-shared libs cannot declare dynamic libs"); 9673 } 9674 9675 // Package declaring static a shared lib cannot declare shared users 9676 if (pkg.mSharedUserId != null) { 9677 throw new PackageManagerException( 9678 "Packages declaring static-shared libs cannot declare shared users"); 9679 } 9680 9681 // Static shared libs cannot declare activities 9682 if (!pkg.activities.isEmpty()) { 9683 throw new PackageManagerException( 9684 "Static shared libs cannot declare activities"); 9685 } 9686 9687 // Static shared libs cannot declare services 9688 if (!pkg.services.isEmpty()) { 9689 throw new PackageManagerException( 9690 "Static shared libs cannot declare services"); 9691 } 9692 9693 // Static shared libs cannot declare providers 9694 if (!pkg.providers.isEmpty()) { 9695 throw new PackageManagerException( 9696 "Static shared libs cannot declare content providers"); 9697 } 9698 9699 // Static shared libs cannot declare receivers 9700 if (!pkg.receivers.isEmpty()) { 9701 throw new PackageManagerException( 9702 "Static shared libs cannot declare broadcast receivers"); 9703 } 9704 9705 // Static shared libs cannot declare permission groups 9706 if (!pkg.permissionGroups.isEmpty()) { 9707 throw new PackageManagerException( 9708 "Static shared libs cannot declare permission groups"); 9709 } 9710 9711 // Static shared libs cannot declare permissions 9712 if (!pkg.permissions.isEmpty()) { 9713 throw new PackageManagerException( 9714 "Static shared libs cannot declare permissions"); 9715 } 9716 9717 // Static shared libs cannot declare protected broadcasts 9718 if (pkg.protectedBroadcasts != null) { 9719 throw new PackageManagerException( 9720 "Static shared libs cannot declare protected broadcasts"); 9721 } 9722 9723 // Static shared libs cannot be overlay targets 9724 if (pkg.mOverlayTarget != null) { 9725 throw new PackageManagerException( 9726 "Static shared libs cannot be overlay targets"); 9727 } 9728 9729 // The version codes must be ordered as lib versions 9730 int minVersionCode = Integer.MIN_VALUE; 9731 int maxVersionCode = Integer.MAX_VALUE; 9732 9733 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9734 pkg.staticSharedLibName); 9735 if (versionedLib != null) { 9736 final int versionCount = versionedLib.size(); 9737 for (int i = 0; i < versionCount; i++) { 9738 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 9739 // TODO: We will change version code to long, so in the new API it is long 9740 final int libVersionCode = (int) libInfo.getDeclaringPackage() 9741 .getVersionCode(); 9742 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 9743 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 9744 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 9745 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 9746 } else { 9747 minVersionCode = maxVersionCode = libVersionCode; 9748 break; 9749 } 9750 } 9751 } 9752 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 9753 throw new PackageManagerException("Static shared" 9754 + " lib version codes must be ordered as lib versions"); 9755 } 9756 } 9757 9758 // Only privileged apps and updated privileged apps can add child packages. 9759 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 9760 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 9761 throw new PackageManagerException("Only privileged apps can add child " 9762 + "packages. Ignoring package " + pkg.packageName); 9763 } 9764 final int childCount = pkg.childPackages.size(); 9765 for (int i = 0; i < childCount; i++) { 9766 PackageParser.Package childPkg = pkg.childPackages.get(i); 9767 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 9768 childPkg.packageName)) { 9769 throw new PackageManagerException("Can't override child of " 9770 + "another disabled app. Ignoring package " + pkg.packageName); 9771 } 9772 } 9773 } 9774 9775 // If we're only installing presumed-existing packages, require that the 9776 // scanned APK is both already known and at the path previously established 9777 // for it. Previously unknown packages we pick up normally, but if we have an 9778 // a priori expectation about this package's install presence, enforce it. 9779 // With a singular exception for new system packages. When an OTA contains 9780 // a new system package, we allow the codepath to change from a system location 9781 // to the user-installed location. If we don't allow this change, any newer, 9782 // user-installed version of the application will be ignored. 9783 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 9784 if (mExpectingBetter.containsKey(pkg.packageName)) { 9785 logCriticalInfo(Log.WARN, 9786 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 9787 } else { 9788 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 9789 if (known != null) { 9790 if (DEBUG_PACKAGE_SCANNING) { 9791 Log.d(TAG, "Examining " + pkg.codePath 9792 + " and requiring known paths " + known.codePathString 9793 + " & " + known.resourcePathString); 9794 } 9795 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 9796 || !pkg.applicationInfo.getResourcePath().equals( 9797 known.resourcePathString)) { 9798 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 9799 "Application package " + pkg.packageName 9800 + " found at " + pkg.applicationInfo.getCodePath() 9801 + " but expected at " + known.codePathString 9802 + "; ignoring."); 9803 } 9804 } 9805 } 9806 } 9807 9808 // Verify that this new package doesn't have any content providers 9809 // that conflict with existing packages. Only do this if the 9810 // package isn't already installed, since we don't want to break 9811 // things that are installed. 9812 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 9813 final int N = pkg.providers.size(); 9814 int i; 9815 for (i=0; i<N; i++) { 9816 PackageParser.Provider p = pkg.providers.get(i); 9817 if (p.info.authority != null) { 9818 String names[] = p.info.authority.split(";"); 9819 for (int j = 0; j < names.length; j++) { 9820 if (mProvidersByAuthority.containsKey(names[j])) { 9821 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9822 final String otherPackageName = 9823 ((other != null && other.getComponentName() != null) ? 9824 other.getComponentName().getPackageName() : "?"); 9825 throw new PackageManagerException( 9826 INSTALL_FAILED_CONFLICTING_PROVIDER, 9827 "Can't install because provider name " + names[j] 9828 + " (in package " + pkg.applicationInfo.packageName 9829 + ") is already used by " + otherPackageName); 9830 } 9831 } 9832 } 9833 } 9834 } 9835 } 9836 } 9837 9838 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 9839 int type, String declaringPackageName, int declaringVersionCode) { 9840 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9841 if (versionedLib == null) { 9842 versionedLib = new SparseArray<>(); 9843 mSharedLibraries.put(name, versionedLib); 9844 if (type == SharedLibraryInfo.TYPE_STATIC) { 9845 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 9846 } 9847 } else if (versionedLib.indexOfKey(version) >= 0) { 9848 return false; 9849 } 9850 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 9851 version, type, declaringPackageName, declaringVersionCode); 9852 versionedLib.put(version, libEntry); 9853 return true; 9854 } 9855 9856 private boolean removeSharedLibraryLPw(String name, int version) { 9857 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9858 if (versionedLib == null) { 9859 return false; 9860 } 9861 final int libIdx = versionedLib.indexOfKey(version); 9862 if (libIdx < 0) { 9863 return false; 9864 } 9865 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 9866 versionedLib.remove(version); 9867 if (versionedLib.size() <= 0) { 9868 mSharedLibraries.remove(name); 9869 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 9870 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 9871 .getPackageName()); 9872 } 9873 } 9874 return true; 9875 } 9876 9877 /** 9878 * Adds a scanned package to the system. When this method is finished, the package will 9879 * be available for query, resolution, etc... 9880 */ 9881 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 9882 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 9883 final String pkgName = pkg.packageName; 9884 if (mCustomResolverComponentName != null && 9885 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 9886 setUpCustomResolverActivity(pkg); 9887 } 9888 9889 if (pkg.packageName.equals("android")) { 9890 synchronized (mPackages) { 9891 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9892 // Set up information for our fall-back user intent resolution activity. 9893 mPlatformPackage = pkg; 9894 pkg.mVersionCode = mSdkVersion; 9895 mAndroidApplication = pkg.applicationInfo; 9896 if (!mResolverReplaced) { 9897 mResolveActivity.applicationInfo = mAndroidApplication; 9898 mResolveActivity.name = ResolverActivity.class.getName(); 9899 mResolveActivity.packageName = mAndroidApplication.packageName; 9900 mResolveActivity.processName = "system:ui"; 9901 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9902 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 9903 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 9904 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 9905 mResolveActivity.exported = true; 9906 mResolveActivity.enabled = true; 9907 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 9908 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 9909 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 9910 | ActivityInfo.CONFIG_SCREEN_LAYOUT 9911 | ActivityInfo.CONFIG_ORIENTATION 9912 | ActivityInfo.CONFIG_KEYBOARD 9913 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 9914 mResolveInfo.activityInfo = mResolveActivity; 9915 mResolveInfo.priority = 0; 9916 mResolveInfo.preferredOrder = 0; 9917 mResolveInfo.match = 0; 9918 mResolveComponentName = new ComponentName( 9919 mAndroidApplication.packageName, mResolveActivity.name); 9920 } 9921 } 9922 } 9923 } 9924 9925 ArrayList<PackageParser.Package> clientLibPkgs = null; 9926 // writer 9927 synchronized (mPackages) { 9928 boolean hasStaticSharedLibs = false; 9929 9930 // Any app can add new static shared libraries 9931 if (pkg.staticSharedLibName != null) { 9932 // Static shared libs don't allow renaming as they have synthetic package 9933 // names to allow install of multiple versions, so use name from manifest. 9934 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 9935 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 9936 pkg.manifestPackageName, pkg.mVersionCode)) { 9937 hasStaticSharedLibs = true; 9938 } else { 9939 Slog.w(TAG, "Package " + pkg.packageName + " library " 9940 + pkg.staticSharedLibName + " already exists; skipping"); 9941 } 9942 // Static shared libs cannot be updated once installed since they 9943 // use synthetic package name which includes the version code, so 9944 // not need to update other packages's shared lib dependencies. 9945 } 9946 9947 if (!hasStaticSharedLibs 9948 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 9949 // Only system apps can add new dynamic shared libraries. 9950 if (pkg.libraryNames != null) { 9951 for (int i = 0; i < pkg.libraryNames.size(); i++) { 9952 String name = pkg.libraryNames.get(i); 9953 boolean allowed = false; 9954 if (pkg.isUpdatedSystemApp()) { 9955 // New library entries can only be added through the 9956 // system image. This is important to get rid of a lot 9957 // of nasty edge cases: for example if we allowed a non- 9958 // system update of the app to add a library, then uninstalling 9959 // the update would make the library go away, and assumptions 9960 // we made such as through app install filtering would now 9961 // have allowed apps on the device which aren't compatible 9962 // with it. Better to just have the restriction here, be 9963 // conservative, and create many fewer cases that can negatively 9964 // impact the user experience. 9965 final PackageSetting sysPs = mSettings 9966 .getDisabledSystemPkgLPr(pkg.packageName); 9967 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 9968 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 9969 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 9970 allowed = true; 9971 break; 9972 } 9973 } 9974 } 9975 } else { 9976 allowed = true; 9977 } 9978 if (allowed) { 9979 if (!addSharedLibraryLPw(null, pkg.packageName, name, 9980 SharedLibraryInfo.VERSION_UNDEFINED, 9981 SharedLibraryInfo.TYPE_DYNAMIC, 9982 pkg.packageName, pkg.mVersionCode)) { 9983 Slog.w(TAG, "Package " + pkg.packageName + " library " 9984 + name + " already exists; skipping"); 9985 } 9986 } else { 9987 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 9988 + name + " that is not declared on system image; skipping"); 9989 } 9990 } 9991 9992 if ((scanFlags & SCAN_BOOTING) == 0) { 9993 // If we are not booting, we need to update any applications 9994 // that are clients of our shared library. If we are booting, 9995 // this will all be done once the scan is complete. 9996 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 9997 } 9998 } 9999 } 10000 } 10001 10002 if ((scanFlags & SCAN_BOOTING) != 0) { 10003 // No apps can run during boot scan, so they don't need to be frozen 10004 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 10005 // Caller asked to not kill app, so it's probably not frozen 10006 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 10007 // Caller asked us to ignore frozen check for some reason; they 10008 // probably didn't know the package name 10009 } else { 10010 // We're doing major surgery on this package, so it better be frozen 10011 // right now to keep it from launching 10012 checkPackageFrozen(pkgName); 10013 } 10014 10015 // Also need to kill any apps that are dependent on the library. 10016 if (clientLibPkgs != null) { 10017 for (int i=0; i<clientLibPkgs.size(); i++) { 10018 PackageParser.Package clientPkg = clientLibPkgs.get(i); 10019 killApplication(clientPkg.applicationInfo.packageName, 10020 clientPkg.applicationInfo.uid, "update lib"); 10021 } 10022 } 10023 10024 // writer 10025 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 10026 10027 boolean createIdmapFailed = false; 10028 synchronized (mPackages) { 10029 // We don't expect installation to fail beyond this point 10030 10031 if (pkgSetting.pkg != null) { 10032 // Note that |user| might be null during the initial boot scan. If a codePath 10033 // for an app has changed during a boot scan, it's due to an app update that's 10034 // part of the system partition and marker changes must be applied to all users. 10035 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 10036 final int[] userIds = resolveUserIds(userId); 10037 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 10038 } 10039 10040 // Add the new setting to mSettings 10041 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 10042 // Add the new setting to mPackages 10043 mPackages.put(pkg.applicationInfo.packageName, pkg); 10044 // Make sure we don't accidentally delete its data. 10045 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 10046 while (iter.hasNext()) { 10047 PackageCleanItem item = iter.next(); 10048 if (pkgName.equals(item.packageName)) { 10049 iter.remove(); 10050 } 10051 } 10052 10053 // Add the package's KeySets to the global KeySetManagerService 10054 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10055 ksms.addScannedPackageLPw(pkg); 10056 10057 int N = pkg.providers.size(); 10058 StringBuilder r = null; 10059 int i; 10060 for (i=0; i<N; i++) { 10061 PackageParser.Provider p = pkg.providers.get(i); 10062 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 10063 p.info.processName); 10064 mProviders.addProvider(p); 10065 p.syncable = p.info.isSyncable; 10066 if (p.info.authority != null) { 10067 String names[] = p.info.authority.split(";"); 10068 p.info.authority = null; 10069 for (int j = 0; j < names.length; j++) { 10070 if (j == 1 && p.syncable) { 10071 // We only want the first authority for a provider to possibly be 10072 // syncable, so if we already added this provider using a different 10073 // authority clear the syncable flag. We copy the provider before 10074 // changing it because the mProviders object contains a reference 10075 // to a provider that we don't want to change. 10076 // Only do this for the second authority since the resulting provider 10077 // object can be the same for all future authorities for this provider. 10078 p = new PackageParser.Provider(p); 10079 p.syncable = false; 10080 } 10081 if (!mProvidersByAuthority.containsKey(names[j])) { 10082 mProvidersByAuthority.put(names[j], p); 10083 if (p.info.authority == null) { 10084 p.info.authority = names[j]; 10085 } else { 10086 p.info.authority = p.info.authority + ";" + names[j]; 10087 } 10088 if (DEBUG_PACKAGE_SCANNING) { 10089 if (chatty) 10090 Log.d(TAG, "Registered content provider: " + names[j] 10091 + ", className = " + p.info.name + ", isSyncable = " 10092 + p.info.isSyncable); 10093 } 10094 } else { 10095 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10096 Slog.w(TAG, "Skipping provider name " + names[j] + 10097 " (in package " + pkg.applicationInfo.packageName + 10098 "): name already used by " 10099 + ((other != null && other.getComponentName() != null) 10100 ? other.getComponentName().getPackageName() : "?")); 10101 } 10102 } 10103 } 10104 if (chatty) { 10105 if (r == null) { 10106 r = new StringBuilder(256); 10107 } else { 10108 r.append(' '); 10109 } 10110 r.append(p.info.name); 10111 } 10112 } 10113 if (r != null) { 10114 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 10115 } 10116 10117 N = pkg.services.size(); 10118 r = null; 10119 for (i=0; i<N; i++) { 10120 PackageParser.Service s = pkg.services.get(i); 10121 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 10122 s.info.processName); 10123 mServices.addService(s); 10124 if (chatty) { 10125 if (r == null) { 10126 r = new StringBuilder(256); 10127 } else { 10128 r.append(' '); 10129 } 10130 r.append(s.info.name); 10131 } 10132 } 10133 if (r != null) { 10134 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 10135 } 10136 10137 N = pkg.receivers.size(); 10138 r = null; 10139 for (i=0; i<N; i++) { 10140 PackageParser.Activity a = pkg.receivers.get(i); 10141 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10142 a.info.processName); 10143 mReceivers.addActivity(a, "receiver"); 10144 if (chatty) { 10145 if (r == null) { 10146 r = new StringBuilder(256); 10147 } else { 10148 r.append(' '); 10149 } 10150 r.append(a.info.name); 10151 } 10152 } 10153 if (r != null) { 10154 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 10155 } 10156 10157 N = pkg.activities.size(); 10158 r = null; 10159 for (i=0; i<N; i++) { 10160 PackageParser.Activity a = pkg.activities.get(i); 10161 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10162 a.info.processName); 10163 mActivities.addActivity(a, "activity"); 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, " Activities: " + r); 10175 } 10176 10177 N = pkg.permissionGroups.size(); 10178 r = null; 10179 for (i=0; i<N; i++) { 10180 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 10181 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 10182 final String curPackageName = cur == null ? null : cur.info.packageName; 10183 // Dont allow ephemeral apps to define new permission groups. 10184 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10185 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10186 + pg.info.packageName 10187 + " ignored: instant apps cannot define new permission groups."); 10188 continue; 10189 } 10190 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 10191 if (cur == null || isPackageUpdate) { 10192 mPermissionGroups.put(pg.info.name, pg); 10193 if (chatty) { 10194 if (r == null) { 10195 r = new StringBuilder(256); 10196 } else { 10197 r.append(' '); 10198 } 10199 if (isPackageUpdate) { 10200 r.append("UPD:"); 10201 } 10202 r.append(pg.info.name); 10203 } 10204 } else { 10205 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10206 + pg.info.packageName + " ignored: original from " 10207 + cur.info.packageName); 10208 if (chatty) { 10209 if (r == null) { 10210 r = new StringBuilder(256); 10211 } else { 10212 r.append(' '); 10213 } 10214 r.append("DUP:"); 10215 r.append(pg.info.name); 10216 } 10217 } 10218 } 10219 if (r != null) { 10220 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 10221 } 10222 10223 N = pkg.permissions.size(); 10224 r = null; 10225 for (i=0; i<N; i++) { 10226 PackageParser.Permission p = pkg.permissions.get(i); 10227 10228 // Dont allow ephemeral apps to define new permissions. 10229 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10230 Slog.w(TAG, "Permission " + p.info.name + " from package " 10231 + p.info.packageName 10232 + " ignored: instant apps cannot define new permissions."); 10233 continue; 10234 } 10235 10236 // Assume by default that we did not install this permission into the system. 10237 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 10238 10239 // Now that permission groups have a special meaning, we ignore permission 10240 // groups for legacy apps to prevent unexpected behavior. In particular, 10241 // permissions for one app being granted to someone just becase they happen 10242 // to be in a group defined by another app (before this had no implications). 10243 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 10244 p.group = mPermissionGroups.get(p.info.group); 10245 // Warn for a permission in an unknown group. 10246 if (p.info.group != null && p.group == null) { 10247 Slog.w(TAG, "Permission " + p.info.name + " from package " 10248 + p.info.packageName + " in an unknown group " + p.info.group); 10249 } 10250 } 10251 10252 ArrayMap<String, BasePermission> permissionMap = 10253 p.tree ? mSettings.mPermissionTrees 10254 : mSettings.mPermissions; 10255 BasePermission bp = permissionMap.get(p.info.name); 10256 10257 // Allow system apps to redefine non-system permissions 10258 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 10259 final boolean currentOwnerIsSystem = (bp.perm != null 10260 && isSystemApp(bp.perm.owner)); 10261 if (isSystemApp(p.owner)) { 10262 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 10263 // It's a built-in permission and no owner, take ownership now 10264 bp.packageSetting = pkgSetting; 10265 bp.perm = p; 10266 bp.uid = pkg.applicationInfo.uid; 10267 bp.sourcePackage = p.info.packageName; 10268 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10269 } else if (!currentOwnerIsSystem) { 10270 String msg = "New decl " + p.owner + " of permission " 10271 + p.info.name + " is system; overriding " + bp.sourcePackage; 10272 reportSettingsProblem(Log.WARN, msg); 10273 bp = null; 10274 } 10275 } 10276 } 10277 10278 if (bp == null) { 10279 bp = new BasePermission(p.info.name, p.info.packageName, 10280 BasePermission.TYPE_NORMAL); 10281 permissionMap.put(p.info.name, bp); 10282 } 10283 10284 if (bp.perm == null) { 10285 if (bp.sourcePackage == null 10286 || bp.sourcePackage.equals(p.info.packageName)) { 10287 BasePermission tree = findPermissionTreeLP(p.info.name); 10288 if (tree == null 10289 || tree.sourcePackage.equals(p.info.packageName)) { 10290 bp.packageSetting = pkgSetting; 10291 bp.perm = p; 10292 bp.uid = pkg.applicationInfo.uid; 10293 bp.sourcePackage = p.info.packageName; 10294 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10295 if (chatty) { 10296 if (r == null) { 10297 r = new StringBuilder(256); 10298 } else { 10299 r.append(' '); 10300 } 10301 r.append(p.info.name); 10302 } 10303 } else { 10304 Slog.w(TAG, "Permission " + p.info.name + " from package " 10305 + p.info.packageName + " ignored: base tree " 10306 + tree.name + " is from package " 10307 + tree.sourcePackage); 10308 } 10309 } else { 10310 Slog.w(TAG, "Permission " + p.info.name + " from package " 10311 + p.info.packageName + " ignored: original from " 10312 + bp.sourcePackage); 10313 } 10314 } else if (chatty) { 10315 if (r == null) { 10316 r = new StringBuilder(256); 10317 } else { 10318 r.append(' '); 10319 } 10320 r.append("DUP:"); 10321 r.append(p.info.name); 10322 } 10323 if (bp.perm == p) { 10324 bp.protectionLevel = p.info.protectionLevel; 10325 } 10326 } 10327 10328 if (r != null) { 10329 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 10330 } 10331 10332 N = pkg.instrumentation.size(); 10333 r = null; 10334 for (i=0; i<N; i++) { 10335 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10336 a.info.packageName = pkg.applicationInfo.packageName; 10337 a.info.sourceDir = pkg.applicationInfo.sourceDir; 10338 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 10339 a.info.splitNames = pkg.splitNames; 10340 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 10341 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 10342 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 10343 a.info.dataDir = pkg.applicationInfo.dataDir; 10344 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 10345 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 10346 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 10347 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 10348 mInstrumentation.put(a.getComponentName(), a); 10349 if (chatty) { 10350 if (r == null) { 10351 r = new StringBuilder(256); 10352 } else { 10353 r.append(' '); 10354 } 10355 r.append(a.info.name); 10356 } 10357 } 10358 if (r != null) { 10359 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 10360 } 10361 10362 if (pkg.protectedBroadcasts != null) { 10363 N = pkg.protectedBroadcasts.size(); 10364 for (i=0; i<N; i++) { 10365 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 10366 } 10367 } 10368 10369 // Create idmap files for pairs of (packages, overlay packages). 10370 // Note: "android", ie framework-res.apk, is handled by native layers. 10371 if (pkg.mOverlayTarget != null) { 10372 // This is an overlay package. 10373 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 10374 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 10375 mOverlays.put(pkg.mOverlayTarget, 10376 new ArrayMap<String, PackageParser.Package>()); 10377 } 10378 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 10379 map.put(pkg.packageName, pkg); 10380 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 10381 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 10382 createIdmapFailed = true; 10383 } 10384 } 10385 } else if (mOverlays.containsKey(pkg.packageName) && 10386 !pkg.packageName.equals("android")) { 10387 // This is a regular package, with one or more known overlay packages. 10388 createIdmapsForPackageLI(pkg); 10389 } 10390 } 10391 10392 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10393 10394 if (createIdmapFailed) { 10395 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10396 "scanPackageLI failed to createIdmap"); 10397 } 10398 } 10399 10400 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 10401 PackageParser.Package update, int[] userIds) { 10402 if (existing.applicationInfo == null || update.applicationInfo == null) { 10403 // This isn't due to an app installation. 10404 return; 10405 } 10406 10407 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 10408 final File newCodePath = new File(update.applicationInfo.getCodePath()); 10409 10410 // The codePath hasn't changed, so there's nothing for us to do. 10411 if (Objects.equals(oldCodePath, newCodePath)) { 10412 return; 10413 } 10414 10415 File canonicalNewCodePath; 10416 try { 10417 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 10418 } catch (IOException e) { 10419 Slog.w(TAG, "Failed to get canonical path.", e); 10420 return; 10421 } 10422 10423 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 10424 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 10425 // that the last component of the path (i.e, the name) doesn't need canonicalization 10426 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 10427 // but may change in the future. Hopefully this function won't exist at that point. 10428 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 10429 oldCodePath.getName()); 10430 10431 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 10432 // with "@". 10433 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 10434 if (!oldMarkerPrefix.endsWith("@")) { 10435 oldMarkerPrefix += "@"; 10436 } 10437 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 10438 if (!newMarkerPrefix.endsWith("@")) { 10439 newMarkerPrefix += "@"; 10440 } 10441 10442 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 10443 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 10444 for (String updatedPath : updatedPaths) { 10445 String updatedPathName = new File(updatedPath).getName(); 10446 markerSuffixes.add(updatedPathName.replace('/', '@')); 10447 } 10448 10449 for (int userId : userIds) { 10450 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 10451 10452 for (String markerSuffix : markerSuffixes) { 10453 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 10454 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 10455 if (oldForeignUseMark.exists()) { 10456 try { 10457 Os.rename(oldForeignUseMark.getAbsolutePath(), 10458 newForeignUseMark.getAbsolutePath()); 10459 } catch (ErrnoException e) { 10460 Slog.w(TAG, "Failed to rename foreign use marker", e); 10461 oldForeignUseMark.delete(); 10462 } 10463 } 10464 } 10465 } 10466 } 10467 10468 /** 10469 * Derive the ABI of a non-system package located at {@code scanFile}. This information 10470 * is derived purely on the basis of the contents of {@code scanFile} and 10471 * {@code cpuAbiOverride}. 10472 * 10473 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 10474 */ 10475 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 10476 String cpuAbiOverride, boolean extractLibs, 10477 File appLib32InstallDir) 10478 throws PackageManagerException { 10479 // Give ourselves some initial paths; we'll come back for another 10480 // pass once we've determined ABI below. 10481 setNativeLibraryPaths(pkg, appLib32InstallDir); 10482 10483 // We would never need to extract libs for forward-locked and external packages, 10484 // since the container service will do it for us. We shouldn't attempt to 10485 // extract libs from system app when it was not updated. 10486 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 10487 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 10488 extractLibs = false; 10489 } 10490 10491 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 10492 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 10493 10494 NativeLibraryHelper.Handle handle = null; 10495 try { 10496 handle = NativeLibraryHelper.Handle.create(pkg); 10497 // TODO(multiArch): This can be null for apps that didn't go through the 10498 // usual installation process. We can calculate it again, like we 10499 // do during install time. 10500 // 10501 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 10502 // unnecessary. 10503 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 10504 10505 // Null out the abis so that they can be recalculated. 10506 pkg.applicationInfo.primaryCpuAbi = null; 10507 pkg.applicationInfo.secondaryCpuAbi = null; 10508 if (isMultiArch(pkg.applicationInfo)) { 10509 // Warn if we've set an abiOverride for multi-lib packages.. 10510 // By definition, we need to copy both 32 and 64 bit libraries for 10511 // such packages. 10512 if (pkg.cpuAbiOverride != null 10513 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 10514 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 10515 } 10516 10517 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 10518 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 10519 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 10520 if (extractLibs) { 10521 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10522 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10523 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 10524 useIsaSpecificSubdirs); 10525 } else { 10526 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10527 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 10528 } 10529 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10530 } 10531 10532 maybeThrowExceptionForMultiArchCopy( 10533 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 10534 10535 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 10536 if (extractLibs) { 10537 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10538 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10539 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 10540 useIsaSpecificSubdirs); 10541 } else { 10542 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10543 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 10544 } 10545 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10546 } 10547 10548 maybeThrowExceptionForMultiArchCopy( 10549 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 10550 10551 if (abi64 >= 0) { 10552 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 10553 } 10554 10555 if (abi32 >= 0) { 10556 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 10557 if (abi64 >= 0) { 10558 if (pkg.use32bitAbi) { 10559 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 10560 pkg.applicationInfo.primaryCpuAbi = abi; 10561 } else { 10562 pkg.applicationInfo.secondaryCpuAbi = abi; 10563 } 10564 } else { 10565 pkg.applicationInfo.primaryCpuAbi = abi; 10566 } 10567 } 10568 10569 } else { 10570 String[] abiList = (cpuAbiOverride != null) ? 10571 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 10572 10573 // Enable gross and lame hacks for apps that are built with old 10574 // SDK tools. We must scan their APKs for renderscript bitcode and 10575 // not launch them if it's present. Don't bother checking on devices 10576 // that don't have 64 bit support. 10577 boolean needsRenderScriptOverride = false; 10578 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 10579 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 10580 abiList = Build.SUPPORTED_32_BIT_ABIS; 10581 needsRenderScriptOverride = true; 10582 } 10583 10584 final int copyRet; 10585 if (extractLibs) { 10586 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10587 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10588 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 10589 } else { 10590 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10591 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 10592 } 10593 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10594 10595 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 10596 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10597 "Error unpackaging native libs for app, errorCode=" + copyRet); 10598 } 10599 10600 if (copyRet >= 0) { 10601 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 10602 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 10603 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 10604 } else if (needsRenderScriptOverride) { 10605 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 10606 } 10607 } 10608 } catch (IOException ioe) { 10609 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 10610 } finally { 10611 IoUtils.closeQuietly(handle); 10612 } 10613 10614 // Now that we've calculated the ABIs and determined if it's an internal app, 10615 // we will go ahead and populate the nativeLibraryPath. 10616 setNativeLibraryPaths(pkg, appLib32InstallDir); 10617 } 10618 10619 /** 10620 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 10621 * i.e, so that all packages can be run inside a single process if required. 10622 * 10623 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 10624 * this function will either try and make the ABI for all packages in {@code packagesForUser} 10625 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 10626 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 10627 * updating a package that belongs to a shared user. 10628 * 10629 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 10630 * adds unnecessary complexity. 10631 */ 10632 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 10633 PackageParser.Package scannedPackage) { 10634 String requiredInstructionSet = null; 10635 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 10636 requiredInstructionSet = VMRuntime.getInstructionSet( 10637 scannedPackage.applicationInfo.primaryCpuAbi); 10638 } 10639 10640 PackageSetting requirer = null; 10641 for (PackageSetting ps : packagesForUser) { 10642 // If packagesForUser contains scannedPackage, we skip it. This will happen 10643 // when scannedPackage is an update of an existing package. Without this check, 10644 // we will never be able to change the ABI of any package belonging to a shared 10645 // user, even if it's compatible with other packages. 10646 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10647 if (ps.primaryCpuAbiString == null) { 10648 continue; 10649 } 10650 10651 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 10652 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 10653 // We have a mismatch between instruction sets (say arm vs arm64) warn about 10654 // this but there's not much we can do. 10655 String errorMessage = "Instruction set mismatch, " 10656 + ((requirer == null) ? "[caller]" : requirer) 10657 + " requires " + requiredInstructionSet + " whereas " + ps 10658 + " requires " + instructionSet; 10659 Slog.w(TAG, errorMessage); 10660 } 10661 10662 if (requiredInstructionSet == null) { 10663 requiredInstructionSet = instructionSet; 10664 requirer = ps; 10665 } 10666 } 10667 } 10668 10669 if (requiredInstructionSet != null) { 10670 String adjustedAbi; 10671 if (requirer != null) { 10672 // requirer != null implies that either scannedPackage was null or that scannedPackage 10673 // did not require an ABI, in which case we have to adjust scannedPackage to match 10674 // the ABI of the set (which is the same as requirer's ABI) 10675 adjustedAbi = requirer.primaryCpuAbiString; 10676 if (scannedPackage != null) { 10677 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 10678 } 10679 } else { 10680 // requirer == null implies that we're updating all ABIs in the set to 10681 // match scannedPackage. 10682 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 10683 } 10684 10685 for (PackageSetting ps : packagesForUser) { 10686 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10687 if (ps.primaryCpuAbiString != null) { 10688 continue; 10689 } 10690 10691 ps.primaryCpuAbiString = adjustedAbi; 10692 if (ps.pkg != null && ps.pkg.applicationInfo != null && 10693 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 10694 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 10695 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 10696 + " (requirer=" 10697 + (requirer == null ? "null" : requirer.pkg.packageName) 10698 + ", scannedPackage=" 10699 + (scannedPackage != null ? scannedPackage.packageName : "null") 10700 + ")"); 10701 try { 10702 mInstaller.rmdex(ps.codePathString, 10703 getDexCodeInstructionSet(getPreferredInstructionSet())); 10704 } catch (InstallerException ignored) { 10705 } 10706 } 10707 } 10708 } 10709 } 10710 } 10711 10712 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 10713 synchronized (mPackages) { 10714 mResolverReplaced = true; 10715 // Set up information for custom user intent resolution activity. 10716 mResolveActivity.applicationInfo = pkg.applicationInfo; 10717 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 10718 mResolveActivity.packageName = pkg.applicationInfo.packageName; 10719 mResolveActivity.processName = pkg.applicationInfo.packageName; 10720 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10721 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 10722 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10723 mResolveActivity.theme = 0; 10724 mResolveActivity.exported = true; 10725 mResolveActivity.enabled = true; 10726 mResolveInfo.activityInfo = mResolveActivity; 10727 mResolveInfo.priority = 0; 10728 mResolveInfo.preferredOrder = 0; 10729 mResolveInfo.match = 0; 10730 mResolveComponentName = mCustomResolverComponentName; 10731 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 10732 mResolveComponentName); 10733 } 10734 } 10735 10736 private void setUpInstantAppInstallerActivityLP(ComponentName installerComponent) { 10737 if (installerComponent == null) { 10738 if (DEBUG_EPHEMERAL) { 10739 Slog.d(TAG, "Clear ephemeral installer activity"); 10740 } 10741 mInstantAppInstallerActivity.applicationInfo = null; 10742 return; 10743 } 10744 10745 if (DEBUG_EPHEMERAL) { 10746 Slog.d(TAG, "Set ephemeral installer activity: " + installerComponent); 10747 } 10748 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 10749 // Set up information for ephemeral installer activity 10750 mInstantAppInstallerActivity.applicationInfo = pkg.applicationInfo; 10751 mInstantAppInstallerActivity.name = installerComponent.getClassName(); 10752 mInstantAppInstallerActivity.packageName = pkg.applicationInfo.packageName; 10753 mInstantAppInstallerActivity.processName = pkg.applicationInfo.packageName; 10754 mInstantAppInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10755 mInstantAppInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 10756 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10757 mInstantAppInstallerActivity.theme = 0; 10758 mInstantAppInstallerActivity.exported = true; 10759 mInstantAppInstallerActivity.enabled = true; 10760 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 10761 mInstantAppInstallerInfo.priority = 0; 10762 mInstantAppInstallerInfo.preferredOrder = 1; 10763 mInstantAppInstallerInfo.isDefault = true; 10764 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 10765 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 10766 } 10767 10768 private static String calculateBundledApkRoot(final String codePathString) { 10769 final File codePath = new File(codePathString); 10770 final File codeRoot; 10771 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 10772 codeRoot = Environment.getRootDirectory(); 10773 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 10774 codeRoot = Environment.getOemDirectory(); 10775 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 10776 codeRoot = Environment.getVendorDirectory(); 10777 } else { 10778 // Unrecognized code path; take its top real segment as the apk root: 10779 // e.g. /something/app/blah.apk => /something 10780 try { 10781 File f = codePath.getCanonicalFile(); 10782 File parent = f.getParentFile(); // non-null because codePath is a file 10783 File tmp; 10784 while ((tmp = parent.getParentFile()) != null) { 10785 f = parent; 10786 parent = tmp; 10787 } 10788 codeRoot = f; 10789 Slog.w(TAG, "Unrecognized code path " 10790 + codePath + " - using " + codeRoot); 10791 } catch (IOException e) { 10792 // Can't canonicalize the code path -- shenanigans? 10793 Slog.w(TAG, "Can't canonicalize code path " + codePath); 10794 return Environment.getRootDirectory().getPath(); 10795 } 10796 } 10797 return codeRoot.getPath(); 10798 } 10799 10800 /** 10801 * Derive and set the location of native libraries for the given package, 10802 * which varies depending on where and how the package was installed. 10803 */ 10804 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 10805 final ApplicationInfo info = pkg.applicationInfo; 10806 final String codePath = pkg.codePath; 10807 final File codeFile = new File(codePath); 10808 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 10809 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 10810 10811 info.nativeLibraryRootDir = null; 10812 info.nativeLibraryRootRequiresIsa = false; 10813 info.nativeLibraryDir = null; 10814 info.secondaryNativeLibraryDir = null; 10815 10816 if (isApkFile(codeFile)) { 10817 // Monolithic install 10818 if (bundledApp) { 10819 // If "/system/lib64/apkname" exists, assume that is the per-package 10820 // native library directory to use; otherwise use "/system/lib/apkname". 10821 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 10822 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 10823 getPrimaryInstructionSet(info)); 10824 10825 // This is a bundled system app so choose the path based on the ABI. 10826 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 10827 // is just the default path. 10828 final String apkName = deriveCodePathName(codePath); 10829 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 10830 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 10831 apkName).getAbsolutePath(); 10832 10833 if (info.secondaryCpuAbi != null) { 10834 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 10835 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 10836 secondaryLibDir, apkName).getAbsolutePath(); 10837 } 10838 } else if (asecApp) { 10839 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 10840 .getAbsolutePath(); 10841 } else { 10842 final String apkName = deriveCodePathName(codePath); 10843 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 10844 .getAbsolutePath(); 10845 } 10846 10847 info.nativeLibraryRootRequiresIsa = false; 10848 info.nativeLibraryDir = info.nativeLibraryRootDir; 10849 } else { 10850 // Cluster install 10851 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 10852 info.nativeLibraryRootRequiresIsa = true; 10853 10854 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 10855 getPrimaryInstructionSet(info)).getAbsolutePath(); 10856 10857 if (info.secondaryCpuAbi != null) { 10858 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 10859 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 10860 } 10861 } 10862 } 10863 10864 /** 10865 * Calculate the abis and roots for a bundled app. These can uniquely 10866 * be determined from the contents of the system partition, i.e whether 10867 * it contains 64 or 32 bit shared libraries etc. We do not validate any 10868 * of this information, and instead assume that the system was built 10869 * sensibly. 10870 */ 10871 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 10872 PackageSetting pkgSetting) { 10873 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 10874 10875 // If "/system/lib64/apkname" exists, assume that is the per-package 10876 // native library directory to use; otherwise use "/system/lib/apkname". 10877 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 10878 setBundledAppAbi(pkg, apkRoot, apkName); 10879 // pkgSetting might be null during rescan following uninstall of updates 10880 // to a bundled app, so accommodate that possibility. The settings in 10881 // that case will be established later from the parsed package. 10882 // 10883 // If the settings aren't null, sync them up with what we've just derived. 10884 // note that apkRoot isn't stored in the package settings. 10885 if (pkgSetting != null) { 10886 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10887 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10888 } 10889 } 10890 10891 /** 10892 * Deduces the ABI of a bundled app and sets the relevant fields on the 10893 * parsed pkg object. 10894 * 10895 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 10896 * under which system libraries are installed. 10897 * @param apkName the name of the installed package. 10898 */ 10899 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 10900 final File codeFile = new File(pkg.codePath); 10901 10902 final boolean has64BitLibs; 10903 final boolean has32BitLibs; 10904 if (isApkFile(codeFile)) { 10905 // Monolithic install 10906 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 10907 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 10908 } else { 10909 // Cluster install 10910 final File rootDir = new File(codeFile, LIB_DIR_NAME); 10911 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 10912 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 10913 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 10914 has64BitLibs = (new File(rootDir, isa)).exists(); 10915 } else { 10916 has64BitLibs = false; 10917 } 10918 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 10919 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 10920 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 10921 has32BitLibs = (new File(rootDir, isa)).exists(); 10922 } else { 10923 has32BitLibs = false; 10924 } 10925 } 10926 10927 if (has64BitLibs && !has32BitLibs) { 10928 // The package has 64 bit libs, but not 32 bit libs. Its primary 10929 // ABI should be 64 bit. We can safely assume here that the bundled 10930 // native libraries correspond to the most preferred ABI in the list. 10931 10932 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10933 pkg.applicationInfo.secondaryCpuAbi = null; 10934 } else if (has32BitLibs && !has64BitLibs) { 10935 // The package has 32 bit libs but not 64 bit libs. Its primary 10936 // ABI should be 32 bit. 10937 10938 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10939 pkg.applicationInfo.secondaryCpuAbi = null; 10940 } else if (has32BitLibs && has64BitLibs) { 10941 // The application has both 64 and 32 bit bundled libraries. We check 10942 // here that the app declares multiArch support, and warn if it doesn't. 10943 // 10944 // We will be lenient here and record both ABIs. The primary will be the 10945 // ABI that's higher on the list, i.e, a device that's configured to prefer 10946 // 64 bit apps will see a 64 bit primary ABI, 10947 10948 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 10949 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 10950 } 10951 10952 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 10953 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10954 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10955 } else { 10956 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10957 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10958 } 10959 } else { 10960 pkg.applicationInfo.primaryCpuAbi = null; 10961 pkg.applicationInfo.secondaryCpuAbi = null; 10962 } 10963 } 10964 10965 private void killApplication(String pkgName, int appId, String reason) { 10966 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 10967 } 10968 10969 private void killApplication(String pkgName, int appId, int userId, String reason) { 10970 // Request the ActivityManager to kill the process(only for existing packages) 10971 // so that we do not end up in a confused state while the user is still using the older 10972 // version of the application while the new one gets installed. 10973 final long token = Binder.clearCallingIdentity(); 10974 try { 10975 IActivityManager am = ActivityManager.getService(); 10976 if (am != null) { 10977 try { 10978 am.killApplication(pkgName, appId, userId, reason); 10979 } catch (RemoteException e) { 10980 } 10981 } 10982 } finally { 10983 Binder.restoreCallingIdentity(token); 10984 } 10985 } 10986 10987 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 10988 // Remove the parent package setting 10989 PackageSetting ps = (PackageSetting) pkg.mExtras; 10990 if (ps != null) { 10991 removePackageLI(ps, chatty); 10992 } 10993 // Remove the child package setting 10994 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10995 for (int i = 0; i < childCount; i++) { 10996 PackageParser.Package childPkg = pkg.childPackages.get(i); 10997 ps = (PackageSetting) childPkg.mExtras; 10998 if (ps != null) { 10999 removePackageLI(ps, chatty); 11000 } 11001 } 11002 } 11003 11004 void removePackageLI(PackageSetting ps, boolean chatty) { 11005 if (DEBUG_INSTALL) { 11006 if (chatty) 11007 Log.d(TAG, "Removing package " + ps.name); 11008 } 11009 11010 // writer 11011 synchronized (mPackages) { 11012 mPackages.remove(ps.name); 11013 final PackageParser.Package pkg = ps.pkg; 11014 if (pkg != null) { 11015 cleanPackageDataStructuresLILPw(pkg, chatty); 11016 } 11017 } 11018 } 11019 11020 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 11021 if (DEBUG_INSTALL) { 11022 if (chatty) 11023 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 11024 } 11025 11026 // writer 11027 synchronized (mPackages) { 11028 // Remove the parent package 11029 mPackages.remove(pkg.applicationInfo.packageName); 11030 cleanPackageDataStructuresLILPw(pkg, chatty); 11031 11032 // Remove the child packages 11033 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11034 for (int i = 0; i < childCount; i++) { 11035 PackageParser.Package childPkg = pkg.childPackages.get(i); 11036 mPackages.remove(childPkg.applicationInfo.packageName); 11037 cleanPackageDataStructuresLILPw(childPkg, chatty); 11038 } 11039 } 11040 } 11041 11042 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 11043 int N = pkg.providers.size(); 11044 StringBuilder r = null; 11045 int i; 11046 for (i=0; i<N; i++) { 11047 PackageParser.Provider p = pkg.providers.get(i); 11048 mProviders.removeProvider(p); 11049 if (p.info.authority == null) { 11050 11051 /* There was another ContentProvider with this authority when 11052 * this app was installed so this authority is null, 11053 * Ignore it as we don't have to unregister the provider. 11054 */ 11055 continue; 11056 } 11057 String names[] = p.info.authority.split(";"); 11058 for (int j = 0; j < names.length; j++) { 11059 if (mProvidersByAuthority.get(names[j]) == p) { 11060 mProvidersByAuthority.remove(names[j]); 11061 if (DEBUG_REMOVE) { 11062 if (chatty) 11063 Log.d(TAG, "Unregistered content provider: " + names[j] 11064 + ", className = " + p.info.name + ", isSyncable = " 11065 + p.info.isSyncable); 11066 } 11067 } 11068 } 11069 if (DEBUG_REMOVE && chatty) { 11070 if (r == null) { 11071 r = new StringBuilder(256); 11072 } else { 11073 r.append(' '); 11074 } 11075 r.append(p.info.name); 11076 } 11077 } 11078 if (r != null) { 11079 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 11080 } 11081 11082 N = pkg.services.size(); 11083 r = null; 11084 for (i=0; i<N; i++) { 11085 PackageParser.Service s = pkg.services.get(i); 11086 mServices.removeService(s); 11087 if (chatty) { 11088 if (r == null) { 11089 r = new StringBuilder(256); 11090 } else { 11091 r.append(' '); 11092 } 11093 r.append(s.info.name); 11094 } 11095 } 11096 if (r != null) { 11097 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 11098 } 11099 11100 N = pkg.receivers.size(); 11101 r = null; 11102 for (i=0; i<N; i++) { 11103 PackageParser.Activity a = pkg.receivers.get(i); 11104 mReceivers.removeActivity(a, "receiver"); 11105 if (DEBUG_REMOVE && chatty) { 11106 if (r == null) { 11107 r = new StringBuilder(256); 11108 } else { 11109 r.append(' '); 11110 } 11111 r.append(a.info.name); 11112 } 11113 } 11114 if (r != null) { 11115 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 11116 } 11117 11118 N = pkg.activities.size(); 11119 r = null; 11120 for (i=0; i<N; i++) { 11121 PackageParser.Activity a = pkg.activities.get(i); 11122 mActivities.removeActivity(a, "activity"); 11123 if (DEBUG_REMOVE && chatty) { 11124 if (r == null) { 11125 r = new StringBuilder(256); 11126 } else { 11127 r.append(' '); 11128 } 11129 r.append(a.info.name); 11130 } 11131 } 11132 if (r != null) { 11133 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 11134 } 11135 11136 N = pkg.permissions.size(); 11137 r = null; 11138 for (i=0; i<N; i++) { 11139 PackageParser.Permission p = pkg.permissions.get(i); 11140 BasePermission bp = mSettings.mPermissions.get(p.info.name); 11141 if (bp == null) { 11142 bp = mSettings.mPermissionTrees.get(p.info.name); 11143 } 11144 if (bp != null && bp.perm == p) { 11145 bp.perm = null; 11146 if (DEBUG_REMOVE && chatty) { 11147 if (r == null) { 11148 r = new StringBuilder(256); 11149 } else { 11150 r.append(' '); 11151 } 11152 r.append(p.info.name); 11153 } 11154 } 11155 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11156 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 11157 if (appOpPkgs != null) { 11158 appOpPkgs.remove(pkg.packageName); 11159 } 11160 } 11161 } 11162 if (r != null) { 11163 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11164 } 11165 11166 N = pkg.requestedPermissions.size(); 11167 r = null; 11168 for (i=0; i<N; i++) { 11169 String perm = pkg.requestedPermissions.get(i); 11170 BasePermission bp = mSettings.mPermissions.get(perm); 11171 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11172 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 11173 if (appOpPkgs != null) { 11174 appOpPkgs.remove(pkg.packageName); 11175 if (appOpPkgs.isEmpty()) { 11176 mAppOpPermissionPackages.remove(perm); 11177 } 11178 } 11179 } 11180 } 11181 if (r != null) { 11182 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11183 } 11184 11185 N = pkg.instrumentation.size(); 11186 r = null; 11187 for (i=0; i<N; i++) { 11188 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11189 mInstrumentation.remove(a.getComponentName()); 11190 if (DEBUG_REMOVE && chatty) { 11191 if (r == null) { 11192 r = new StringBuilder(256); 11193 } else { 11194 r.append(' '); 11195 } 11196 r.append(a.info.name); 11197 } 11198 } 11199 if (r != null) { 11200 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 11201 } 11202 11203 r = null; 11204 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11205 // Only system apps can hold shared libraries. 11206 if (pkg.libraryNames != null) { 11207 for (i = 0; i < pkg.libraryNames.size(); i++) { 11208 String name = pkg.libraryNames.get(i); 11209 if (removeSharedLibraryLPw(name, 0)) { 11210 if (DEBUG_REMOVE && chatty) { 11211 if (r == null) { 11212 r = new StringBuilder(256); 11213 } else { 11214 r.append(' '); 11215 } 11216 r.append(name); 11217 } 11218 } 11219 } 11220 } 11221 } 11222 11223 r = null; 11224 11225 // Any package can hold static shared libraries. 11226 if (pkg.staticSharedLibName != null) { 11227 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11228 if (DEBUG_REMOVE && chatty) { 11229 if (r == null) { 11230 r = new StringBuilder(256); 11231 } else { 11232 r.append(' '); 11233 } 11234 r.append(pkg.staticSharedLibName); 11235 } 11236 } 11237 } 11238 11239 if (r != null) { 11240 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11241 } 11242 } 11243 11244 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 11245 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 11246 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 11247 return true; 11248 } 11249 } 11250 return false; 11251 } 11252 11253 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 11254 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 11255 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 11256 11257 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 11258 // Update the parent permissions 11259 updatePermissionsLPw(pkg.packageName, pkg, flags); 11260 // Update the child permissions 11261 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11262 for (int i = 0; i < childCount; i++) { 11263 PackageParser.Package childPkg = pkg.childPackages.get(i); 11264 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 11265 } 11266 } 11267 11268 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 11269 int flags) { 11270 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 11271 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 11272 } 11273 11274 private void updatePermissionsLPw(String changingPkg, 11275 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 11276 // Make sure there are no dangling permission trees. 11277 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 11278 while (it.hasNext()) { 11279 final BasePermission bp = it.next(); 11280 if (bp.packageSetting == null) { 11281 // We may not yet have parsed the package, so just see if 11282 // we still know about its settings. 11283 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11284 } 11285 if (bp.packageSetting == null) { 11286 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 11287 + " from package " + bp.sourcePackage); 11288 it.remove(); 11289 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11290 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11291 Slog.i(TAG, "Removing old permission tree: " + bp.name 11292 + " from package " + bp.sourcePackage); 11293 flags |= UPDATE_PERMISSIONS_ALL; 11294 it.remove(); 11295 } 11296 } 11297 } 11298 11299 // Make sure all dynamic permissions have been assigned to a package, 11300 // and make sure there are no dangling permissions. 11301 it = mSettings.mPermissions.values().iterator(); 11302 while (it.hasNext()) { 11303 final BasePermission bp = it.next(); 11304 if (bp.type == BasePermission.TYPE_DYNAMIC) { 11305 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 11306 + bp.name + " pkg=" + bp.sourcePackage 11307 + " info=" + bp.pendingInfo); 11308 if (bp.packageSetting == null && bp.pendingInfo != null) { 11309 final BasePermission tree = findPermissionTreeLP(bp.name); 11310 if (tree != null && tree.perm != null) { 11311 bp.packageSetting = tree.packageSetting; 11312 bp.perm = new PackageParser.Permission(tree.perm.owner, 11313 new PermissionInfo(bp.pendingInfo)); 11314 bp.perm.info.packageName = tree.perm.info.packageName; 11315 bp.perm.info.name = bp.name; 11316 bp.uid = tree.uid; 11317 } 11318 } 11319 } 11320 if (bp.packageSetting == null) { 11321 // We may not yet have parsed the package, so just see if 11322 // we still know about its settings. 11323 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11324 } 11325 if (bp.packageSetting == null) { 11326 Slog.w(TAG, "Removing dangling permission: " + bp.name 11327 + " from package " + bp.sourcePackage); 11328 it.remove(); 11329 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11330 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11331 Slog.i(TAG, "Removing old permission: " + bp.name 11332 + " from package " + bp.sourcePackage); 11333 flags |= UPDATE_PERMISSIONS_ALL; 11334 it.remove(); 11335 } 11336 } 11337 } 11338 11339 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 11340 // Now update the permissions for all packages, in particular 11341 // replace the granted permissions of the system packages. 11342 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 11343 for (PackageParser.Package pkg : mPackages.values()) { 11344 if (pkg != pkgInfo) { 11345 // Only replace for packages on requested volume 11346 final String volumeUuid = getVolumeUuidForPackage(pkg); 11347 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 11348 && Objects.equals(replaceVolumeUuid, volumeUuid); 11349 grantPermissionsLPw(pkg, replace, changingPkg); 11350 } 11351 } 11352 } 11353 11354 if (pkgInfo != null) { 11355 // Only replace for packages on requested volume 11356 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 11357 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 11358 && Objects.equals(replaceVolumeUuid, volumeUuid); 11359 grantPermissionsLPw(pkgInfo, replace, changingPkg); 11360 } 11361 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11362 } 11363 11364 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 11365 String packageOfInterest) { 11366 // IMPORTANT: There are two types of permissions: install and runtime. 11367 // Install time permissions are granted when the app is installed to 11368 // all device users and users added in the future. Runtime permissions 11369 // are granted at runtime explicitly to specific users. Normal and signature 11370 // protected permissions are install time permissions. Dangerous permissions 11371 // are install permissions if the app's target SDK is Lollipop MR1 or older, 11372 // otherwise they are runtime permissions. This function does not manage 11373 // runtime permissions except for the case an app targeting Lollipop MR1 11374 // being upgraded to target a newer SDK, in which case dangerous permissions 11375 // are transformed from install time to runtime ones. 11376 11377 final PackageSetting ps = (PackageSetting) pkg.mExtras; 11378 if (ps == null) { 11379 return; 11380 } 11381 11382 PermissionsState permissionsState = ps.getPermissionsState(); 11383 PermissionsState origPermissions = permissionsState; 11384 11385 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 11386 11387 boolean runtimePermissionsRevoked = false; 11388 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 11389 11390 boolean changedInstallPermission = false; 11391 11392 if (replace) { 11393 ps.installPermissionsFixed = false; 11394 if (!ps.isSharedUser()) { 11395 origPermissions = new PermissionsState(permissionsState); 11396 permissionsState.reset(); 11397 } else { 11398 // We need to know only about runtime permission changes since the 11399 // calling code always writes the install permissions state but 11400 // the runtime ones are written only if changed. The only cases of 11401 // changed runtime permissions here are promotion of an install to 11402 // runtime and revocation of a runtime from a shared user. 11403 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 11404 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 11405 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 11406 runtimePermissionsRevoked = true; 11407 } 11408 } 11409 } 11410 11411 permissionsState.setGlobalGids(mGlobalGids); 11412 11413 final int N = pkg.requestedPermissions.size(); 11414 for (int i=0; i<N; i++) { 11415 final String name = pkg.requestedPermissions.get(i); 11416 final BasePermission bp = mSettings.mPermissions.get(name); 11417 11418 if (DEBUG_INSTALL) { 11419 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 11420 } 11421 11422 if (bp == null || bp.packageSetting == null) { 11423 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11424 Slog.w(TAG, "Unknown permission " + name 11425 + " in package " + pkg.packageName); 11426 } 11427 continue; 11428 } 11429 11430 11431 // Limit ephemeral apps to ephemeral allowed permissions. 11432 if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { 11433 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 11434 + pkg.packageName); 11435 continue; 11436 } 11437 11438 final String perm = bp.name; 11439 boolean allowedSig = false; 11440 int grant = GRANT_DENIED; 11441 11442 // Keep track of app op permissions. 11443 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11444 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 11445 if (pkgs == null) { 11446 pkgs = new ArraySet<>(); 11447 mAppOpPermissionPackages.put(bp.name, pkgs); 11448 } 11449 pkgs.add(pkg.packageName); 11450 } 11451 11452 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 11453 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 11454 >= Build.VERSION_CODES.M; 11455 switch (level) { 11456 case PermissionInfo.PROTECTION_NORMAL: { 11457 // For all apps normal permissions are install time ones. 11458 grant = GRANT_INSTALL; 11459 } break; 11460 11461 case PermissionInfo.PROTECTION_DANGEROUS: { 11462 // If a permission review is required for legacy apps we represent 11463 // their permissions as always granted runtime ones since we need 11464 // to keep the review required permission flag per user while an 11465 // install permission's state is shared across all users. 11466 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 11467 // For legacy apps dangerous permissions are install time ones. 11468 grant = GRANT_INSTALL; 11469 } else if (origPermissions.hasInstallPermission(bp.name)) { 11470 // For legacy apps that became modern, install becomes runtime. 11471 grant = GRANT_UPGRADE; 11472 } else if (mPromoteSystemApps 11473 && isSystemApp(ps) 11474 && mExistingSystemPackages.contains(ps.name)) { 11475 // For legacy system apps, install becomes runtime. 11476 // We cannot check hasInstallPermission() for system apps since those 11477 // permissions were granted implicitly and not persisted pre-M. 11478 grant = GRANT_UPGRADE; 11479 } else { 11480 // For modern apps keep runtime permissions unchanged. 11481 grant = GRANT_RUNTIME; 11482 } 11483 } break; 11484 11485 case PermissionInfo.PROTECTION_SIGNATURE: { 11486 // For all apps signature permissions are install time ones. 11487 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 11488 if (allowedSig) { 11489 grant = GRANT_INSTALL; 11490 } 11491 } break; 11492 } 11493 11494 if (DEBUG_INSTALL) { 11495 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 11496 } 11497 11498 if (grant != GRANT_DENIED) { 11499 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 11500 // If this is an existing, non-system package, then 11501 // we can't add any new permissions to it. 11502 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 11503 // Except... if this is a permission that was added 11504 // to the platform (note: need to only do this when 11505 // updating the platform). 11506 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 11507 grant = GRANT_DENIED; 11508 } 11509 } 11510 } 11511 11512 switch (grant) { 11513 case GRANT_INSTALL: { 11514 // Revoke this as runtime permission to handle the case of 11515 // a runtime permission being downgraded to an install one. 11516 // Also in permission review mode we keep dangerous permissions 11517 // for legacy apps 11518 for (int userId : UserManagerService.getInstance().getUserIds()) { 11519 if (origPermissions.getRuntimePermissionState( 11520 bp.name, userId) != null) { 11521 // Revoke the runtime permission and clear the flags. 11522 origPermissions.revokeRuntimePermission(bp, userId); 11523 origPermissions.updatePermissionFlags(bp, userId, 11524 PackageManager.MASK_PERMISSION_FLAGS, 0); 11525 // If we revoked a permission permission, we have to write. 11526 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11527 changedRuntimePermissionUserIds, userId); 11528 } 11529 } 11530 // Grant an install permission. 11531 if (permissionsState.grantInstallPermission(bp) != 11532 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11533 changedInstallPermission = true; 11534 } 11535 } break; 11536 11537 case GRANT_RUNTIME: { 11538 // Grant previously granted runtime permissions. 11539 for (int userId : UserManagerService.getInstance().getUserIds()) { 11540 PermissionState permissionState = origPermissions 11541 .getRuntimePermissionState(bp.name, userId); 11542 int flags = permissionState != null 11543 ? permissionState.getFlags() : 0; 11544 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 11545 // Don't propagate the permission in a permission review mode if 11546 // the former was revoked, i.e. marked to not propagate on upgrade. 11547 // Note that in a permission review mode install permissions are 11548 // represented as constantly granted runtime ones since we need to 11549 // keep a per user state associated with the permission. Also the 11550 // revoke on upgrade flag is no longer applicable and is reset. 11551 final boolean revokeOnUpgrade = (flags & PackageManager 11552 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 11553 if (revokeOnUpgrade) { 11554 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 11555 // Since we changed the flags, we have to write. 11556 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11557 changedRuntimePermissionUserIds, userId); 11558 } 11559 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 11560 if (permissionsState.grantRuntimePermission(bp, userId) == 11561 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11562 // If we cannot put the permission as it was, 11563 // we have to write. 11564 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11565 changedRuntimePermissionUserIds, userId); 11566 } 11567 } 11568 11569 // If the app supports runtime permissions no need for a review. 11570 if (mPermissionReviewRequired 11571 && appSupportsRuntimePermissions 11572 && (flags & PackageManager 11573 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 11574 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 11575 // Since we changed the flags, we have to write. 11576 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11577 changedRuntimePermissionUserIds, userId); 11578 } 11579 } else if (mPermissionReviewRequired 11580 && !appSupportsRuntimePermissions) { 11581 // For legacy apps that need a permission review, every new 11582 // runtime permission is granted but it is pending a review. 11583 // We also need to review only platform defined runtime 11584 // permissions as these are the only ones the platform knows 11585 // how to disable the API to simulate revocation as legacy 11586 // apps don't expect to run with revoked permissions. 11587 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 11588 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 11589 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 11590 // We changed the flags, hence have to write. 11591 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11592 changedRuntimePermissionUserIds, userId); 11593 } 11594 } 11595 if (permissionsState.grantRuntimePermission(bp, userId) 11596 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11597 // We changed the permission, hence have to write. 11598 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11599 changedRuntimePermissionUserIds, userId); 11600 } 11601 } 11602 // Propagate the permission flags. 11603 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 11604 } 11605 } break; 11606 11607 case GRANT_UPGRADE: { 11608 // Grant runtime permissions for a previously held install permission. 11609 PermissionState permissionState = origPermissions 11610 .getInstallPermissionState(bp.name); 11611 final int flags = permissionState != null ? permissionState.getFlags() : 0; 11612 11613 if (origPermissions.revokeInstallPermission(bp) 11614 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11615 // We will be transferring the permission flags, so clear them. 11616 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 11617 PackageManager.MASK_PERMISSION_FLAGS, 0); 11618 changedInstallPermission = true; 11619 } 11620 11621 // If the permission is not to be promoted to runtime we ignore it and 11622 // also its other flags as they are not applicable to install permissions. 11623 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 11624 for (int userId : currentUserIds) { 11625 if (permissionsState.grantRuntimePermission(bp, userId) != 11626 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11627 // Transfer the permission flags. 11628 permissionsState.updatePermissionFlags(bp, userId, 11629 flags, flags); 11630 // If we granted the permission, we have to write. 11631 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11632 changedRuntimePermissionUserIds, userId); 11633 } 11634 } 11635 } 11636 } break; 11637 11638 default: { 11639 if (packageOfInterest == null 11640 || packageOfInterest.equals(pkg.packageName)) { 11641 Slog.w(TAG, "Not granting permission " + perm 11642 + " to package " + pkg.packageName 11643 + " because it was previously installed without"); 11644 } 11645 } break; 11646 } 11647 } else { 11648 if (permissionsState.revokeInstallPermission(bp) != 11649 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11650 // Also drop the permission flags. 11651 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 11652 PackageManager.MASK_PERMISSION_FLAGS, 0); 11653 changedInstallPermission = true; 11654 Slog.i(TAG, "Un-granting permission " + perm 11655 + " from package " + pkg.packageName 11656 + " (protectionLevel=" + bp.protectionLevel 11657 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11658 + ")"); 11659 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 11660 // Don't print warning for app op permissions, since it is fine for them 11661 // not to be granted, there is a UI for the user to decide. 11662 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11663 Slog.w(TAG, "Not granting permission " + perm 11664 + " to package " + pkg.packageName 11665 + " (protectionLevel=" + bp.protectionLevel 11666 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11667 + ")"); 11668 } 11669 } 11670 } 11671 } 11672 11673 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 11674 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 11675 // This is the first that we have heard about this package, so the 11676 // permissions we have now selected are fixed until explicitly 11677 // changed. 11678 ps.installPermissionsFixed = true; 11679 } 11680 11681 // Persist the runtime permissions state for users with changes. If permissions 11682 // were revoked because no app in the shared user declares them we have to 11683 // write synchronously to avoid losing runtime permissions state. 11684 for (int userId : changedRuntimePermissionUserIds) { 11685 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 11686 } 11687 } 11688 11689 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 11690 boolean allowed = false; 11691 final int NP = PackageParser.NEW_PERMISSIONS.length; 11692 for (int ip=0; ip<NP; ip++) { 11693 final PackageParser.NewPermissionInfo npi 11694 = PackageParser.NEW_PERMISSIONS[ip]; 11695 if (npi.name.equals(perm) 11696 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 11697 allowed = true; 11698 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 11699 + pkg.packageName); 11700 break; 11701 } 11702 } 11703 return allowed; 11704 } 11705 11706 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 11707 BasePermission bp, PermissionsState origPermissions) { 11708 boolean privilegedPermission = (bp.protectionLevel 11709 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 11710 boolean privappPermissionsDisable = 11711 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 11712 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 11713 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 11714 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 11715 && !platformPackage && platformPermission) { 11716 ArraySet<String> wlPermissions = SystemConfig.getInstance() 11717 .getPrivAppPermissions(pkg.packageName); 11718 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 11719 if (!whitelisted) { 11720 Slog.w(TAG, "Privileged permission " + perm + " for package " 11721 + pkg.packageName + " - not in privapp-permissions whitelist"); 11722 if (!mSystemReady) { 11723 if (mPrivappPermissionsViolations == null) { 11724 mPrivappPermissionsViolations = new ArraySet<>(); 11725 } 11726 mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm); 11727 } 11728 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 11729 return false; 11730 } 11731 } 11732 } 11733 boolean allowed = (compareSignatures( 11734 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 11735 == PackageManager.SIGNATURE_MATCH) 11736 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 11737 == PackageManager.SIGNATURE_MATCH); 11738 if (!allowed && privilegedPermission) { 11739 if (isSystemApp(pkg)) { 11740 // For updated system applications, a system permission 11741 // is granted only if it had been defined by the original application. 11742 if (pkg.isUpdatedSystemApp()) { 11743 final PackageSetting sysPs = mSettings 11744 .getDisabledSystemPkgLPr(pkg.packageName); 11745 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 11746 // If the original was granted this permission, we take 11747 // that grant decision as read and propagate it to the 11748 // update. 11749 if (sysPs.isPrivileged()) { 11750 allowed = true; 11751 } 11752 } else { 11753 // The system apk may have been updated with an older 11754 // version of the one on the data partition, but which 11755 // granted a new system permission that it didn't have 11756 // before. In this case we do want to allow the app to 11757 // now get the new permission if the ancestral apk is 11758 // privileged to get it. 11759 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 11760 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 11761 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 11762 allowed = true; 11763 break; 11764 } 11765 } 11766 } 11767 // Also if a privileged parent package on the system image or any of 11768 // its children requested a privileged permission, the updated child 11769 // packages can also get the permission. 11770 if (pkg.parentPackage != null) { 11771 final PackageSetting disabledSysParentPs = mSettings 11772 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 11773 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 11774 && disabledSysParentPs.isPrivileged()) { 11775 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 11776 allowed = true; 11777 } else if (disabledSysParentPs.pkg.childPackages != null) { 11778 final int count = disabledSysParentPs.pkg.childPackages.size(); 11779 for (int i = 0; i < count; i++) { 11780 PackageParser.Package disabledSysChildPkg = 11781 disabledSysParentPs.pkg.childPackages.get(i); 11782 if (isPackageRequestingPermission(disabledSysChildPkg, 11783 perm)) { 11784 allowed = true; 11785 break; 11786 } 11787 } 11788 } 11789 } 11790 } 11791 } 11792 } else { 11793 allowed = isPrivilegedApp(pkg); 11794 } 11795 } 11796 } 11797 if (!allowed) { 11798 if (!allowed && (bp.protectionLevel 11799 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 11800 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 11801 // If this was a previously normal/dangerous permission that got moved 11802 // to a system permission as part of the runtime permission redesign, then 11803 // we still want to blindly grant it to old apps. 11804 allowed = true; 11805 } 11806 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 11807 && pkg.packageName.equals(mRequiredInstallerPackage)) { 11808 // If this permission is to be granted to the system installer and 11809 // this app is an installer, then it gets the permission. 11810 allowed = true; 11811 } 11812 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 11813 && pkg.packageName.equals(mRequiredVerifierPackage)) { 11814 // If this permission is to be granted to the system verifier and 11815 // this app is a verifier, then it gets the permission. 11816 allowed = true; 11817 } 11818 if (!allowed && (bp.protectionLevel 11819 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 11820 && isSystemApp(pkg)) { 11821 // Any pre-installed system app is allowed to get this permission. 11822 allowed = true; 11823 } 11824 if (!allowed && (bp.protectionLevel 11825 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 11826 // For development permissions, a development permission 11827 // is granted only if it was already granted. 11828 allowed = origPermissions.hasInstallPermission(perm); 11829 } 11830 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 11831 && pkg.packageName.equals(mSetupWizardPackage)) { 11832 // If this permission is to be granted to the system setup wizard and 11833 // this app is a setup wizard, then it gets the permission. 11834 allowed = true; 11835 } 11836 } 11837 return allowed; 11838 } 11839 11840 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 11841 final int permCount = pkg.requestedPermissions.size(); 11842 for (int j = 0; j < permCount; j++) { 11843 String requestedPermission = pkg.requestedPermissions.get(j); 11844 if (permission.equals(requestedPermission)) { 11845 return true; 11846 } 11847 } 11848 return false; 11849 } 11850 11851 final class ActivityIntentResolver 11852 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11853 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11854 boolean defaultOnly, int userId) { 11855 if (!sUserManager.exists(userId)) return null; 11856 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 11857 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11858 } 11859 11860 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11861 int userId) { 11862 if (!sUserManager.exists(userId)) return null; 11863 mFlags = flags; 11864 return super.queryIntent(intent, resolvedType, 11865 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11866 userId); 11867 } 11868 11869 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11870 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11871 if (!sUserManager.exists(userId)) return null; 11872 if (packageActivities == null) { 11873 return null; 11874 } 11875 mFlags = flags; 11876 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11877 final int N = packageActivities.size(); 11878 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11879 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11880 11881 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11882 for (int i = 0; i < N; ++i) { 11883 intentFilters = packageActivities.get(i).intents; 11884 if (intentFilters != null && intentFilters.size() > 0) { 11885 PackageParser.ActivityIntentInfo[] array = 11886 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11887 intentFilters.toArray(array); 11888 listCut.add(array); 11889 } 11890 } 11891 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11892 } 11893 11894 /** 11895 * Finds a privileged activity that matches the specified activity names. 11896 */ 11897 private PackageParser.Activity findMatchingActivity( 11898 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11899 for (PackageParser.Activity sysActivity : activityList) { 11900 if (sysActivity.info.name.equals(activityInfo.name)) { 11901 return sysActivity; 11902 } 11903 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11904 return sysActivity; 11905 } 11906 if (sysActivity.info.targetActivity != null) { 11907 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11908 return sysActivity; 11909 } 11910 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11911 return sysActivity; 11912 } 11913 } 11914 } 11915 return null; 11916 } 11917 11918 public class IterGenerator<E> { 11919 public Iterator<E> generate(ActivityIntentInfo info) { 11920 return null; 11921 } 11922 } 11923 11924 public class ActionIterGenerator extends IterGenerator<String> { 11925 @Override 11926 public Iterator<String> generate(ActivityIntentInfo info) { 11927 return info.actionsIterator(); 11928 } 11929 } 11930 11931 public class CategoriesIterGenerator extends IterGenerator<String> { 11932 @Override 11933 public Iterator<String> generate(ActivityIntentInfo info) { 11934 return info.categoriesIterator(); 11935 } 11936 } 11937 11938 public class SchemesIterGenerator extends IterGenerator<String> { 11939 @Override 11940 public Iterator<String> generate(ActivityIntentInfo info) { 11941 return info.schemesIterator(); 11942 } 11943 } 11944 11945 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11946 @Override 11947 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11948 return info.authoritiesIterator(); 11949 } 11950 } 11951 11952 /** 11953 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11954 * MODIFIED. Do not pass in a list that should not be changed. 11955 */ 11956 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11957 IterGenerator<T> generator, Iterator<T> searchIterator) { 11958 // loop through the set of actions; every one must be found in the intent filter 11959 while (searchIterator.hasNext()) { 11960 // we must have at least one filter in the list to consider a match 11961 if (intentList.size() == 0) { 11962 break; 11963 } 11964 11965 final T searchAction = searchIterator.next(); 11966 11967 // loop through the set of intent filters 11968 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11969 while (intentIter.hasNext()) { 11970 final ActivityIntentInfo intentInfo = intentIter.next(); 11971 boolean selectionFound = false; 11972 11973 // loop through the intent filter's selection criteria; at least one 11974 // of them must match the searched criteria 11975 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11976 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11977 final T intentSelection = intentSelectionIter.next(); 11978 if (intentSelection != null && intentSelection.equals(searchAction)) { 11979 selectionFound = true; 11980 break; 11981 } 11982 } 11983 11984 // the selection criteria wasn't found in this filter's set; this filter 11985 // is not a potential match 11986 if (!selectionFound) { 11987 intentIter.remove(); 11988 } 11989 } 11990 } 11991 } 11992 11993 private boolean isProtectedAction(ActivityIntentInfo filter) { 11994 final Iterator<String> actionsIter = filter.actionsIterator(); 11995 while (actionsIter != null && actionsIter.hasNext()) { 11996 final String filterAction = actionsIter.next(); 11997 if (PROTECTED_ACTIONS.contains(filterAction)) { 11998 return true; 11999 } 12000 } 12001 return false; 12002 } 12003 12004 /** 12005 * Adjusts the priority of the given intent filter according to policy. 12006 * <p> 12007 * <ul> 12008 * <li>The priority for non privileged applications is capped to '0'</li> 12009 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 12010 * <li>The priority for unbundled updates to privileged applications is capped to the 12011 * priority defined on the system partition</li> 12012 * </ul> 12013 * <p> 12014 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 12015 * allowed to obtain any priority on any action. 12016 */ 12017 private void adjustPriority( 12018 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 12019 // nothing to do; priority is fine as-is 12020 if (intent.getPriority() <= 0) { 12021 return; 12022 } 12023 12024 final ActivityInfo activityInfo = intent.activity.info; 12025 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 12026 12027 final boolean privilegedApp = 12028 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 12029 if (!privilegedApp) { 12030 // non-privileged applications can never define a priority >0 12031 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 12032 + " package: " + applicationInfo.packageName 12033 + " activity: " + intent.activity.className 12034 + " origPrio: " + intent.getPriority()); 12035 intent.setPriority(0); 12036 return; 12037 } 12038 12039 if (systemActivities == null) { 12040 // the system package is not disabled; we're parsing the system partition 12041 if (isProtectedAction(intent)) { 12042 if (mDeferProtectedFilters) { 12043 // We can't deal with these just yet. No component should ever obtain a 12044 // >0 priority for a protected actions, with ONE exception -- the setup 12045 // wizard. The setup wizard, however, cannot be known until we're able to 12046 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 12047 // until all intent filters have been processed. Chicken, meet egg. 12048 // Let the filter temporarily have a high priority and rectify the 12049 // priorities after all system packages have been scanned. 12050 mProtectedFilters.add(intent); 12051 if (DEBUG_FILTERS) { 12052 Slog.i(TAG, "Protected action; save for later;" 12053 + " package: " + applicationInfo.packageName 12054 + " activity: " + intent.activity.className 12055 + " origPrio: " + intent.getPriority()); 12056 } 12057 return; 12058 } else { 12059 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 12060 Slog.i(TAG, "No setup wizard;" 12061 + " All protected intents capped to priority 0"); 12062 } 12063 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 12064 if (DEBUG_FILTERS) { 12065 Slog.i(TAG, "Found setup wizard;" 12066 + " allow priority " + intent.getPriority() + ";" 12067 + " package: " + intent.activity.info.packageName 12068 + " activity: " + intent.activity.className 12069 + " priority: " + intent.getPriority()); 12070 } 12071 // setup wizard gets whatever it wants 12072 return; 12073 } 12074 Slog.w(TAG, "Protected action; cap priority to 0;" 12075 + " package: " + intent.activity.info.packageName 12076 + " activity: " + intent.activity.className 12077 + " origPrio: " + intent.getPriority()); 12078 intent.setPriority(0); 12079 return; 12080 } 12081 } 12082 // privileged apps on the system image get whatever priority they request 12083 return; 12084 } 12085 12086 // privileged app unbundled update ... try to find the same activity 12087 final PackageParser.Activity foundActivity = 12088 findMatchingActivity(systemActivities, activityInfo); 12089 if (foundActivity == null) { 12090 // this is a new activity; it cannot obtain >0 priority 12091 if (DEBUG_FILTERS) { 12092 Slog.i(TAG, "New activity; cap priority to 0;" 12093 + " package: " + applicationInfo.packageName 12094 + " activity: " + intent.activity.className 12095 + " origPrio: " + intent.getPriority()); 12096 } 12097 intent.setPriority(0); 12098 return; 12099 } 12100 12101 // found activity, now check for filter equivalence 12102 12103 // a shallow copy is enough; we modify the list, not its contents 12104 final List<ActivityIntentInfo> intentListCopy = 12105 new ArrayList<>(foundActivity.intents); 12106 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 12107 12108 // find matching action subsets 12109 final Iterator<String> actionsIterator = intent.actionsIterator(); 12110 if (actionsIterator != null) { 12111 getIntentListSubset( 12112 intentListCopy, new ActionIterGenerator(), actionsIterator); 12113 if (intentListCopy.size() == 0) { 12114 // no more intents to match; we're not equivalent 12115 if (DEBUG_FILTERS) { 12116 Slog.i(TAG, "Mismatched action; cap priority to 0;" 12117 + " package: " + applicationInfo.packageName 12118 + " activity: " + intent.activity.className 12119 + " origPrio: " + intent.getPriority()); 12120 } 12121 intent.setPriority(0); 12122 return; 12123 } 12124 } 12125 12126 // find matching category subsets 12127 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 12128 if (categoriesIterator != null) { 12129 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 12130 categoriesIterator); 12131 if (intentListCopy.size() == 0) { 12132 // no more intents to match; we're not equivalent 12133 if (DEBUG_FILTERS) { 12134 Slog.i(TAG, "Mismatched category; cap priority to 0;" 12135 + " package: " + applicationInfo.packageName 12136 + " activity: " + intent.activity.className 12137 + " origPrio: " + intent.getPriority()); 12138 } 12139 intent.setPriority(0); 12140 return; 12141 } 12142 } 12143 12144 // find matching schemes subsets 12145 final Iterator<String> schemesIterator = intent.schemesIterator(); 12146 if (schemesIterator != null) { 12147 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 12148 schemesIterator); 12149 if (intentListCopy.size() == 0) { 12150 // no more intents to match; we're not equivalent 12151 if (DEBUG_FILTERS) { 12152 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12153 + " package: " + applicationInfo.packageName 12154 + " activity: " + intent.activity.className 12155 + " origPrio: " + intent.getPriority()); 12156 } 12157 intent.setPriority(0); 12158 return; 12159 } 12160 } 12161 12162 // find matching authorities subsets 12163 final Iterator<IntentFilter.AuthorityEntry> 12164 authoritiesIterator = intent.authoritiesIterator(); 12165 if (authoritiesIterator != null) { 12166 getIntentListSubset(intentListCopy, 12167 new AuthoritiesIterGenerator(), 12168 authoritiesIterator); 12169 if (intentListCopy.size() == 0) { 12170 // no more intents to match; we're not equivalent 12171 if (DEBUG_FILTERS) { 12172 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12173 + " package: " + applicationInfo.packageName 12174 + " activity: " + intent.activity.className 12175 + " origPrio: " + intent.getPriority()); 12176 } 12177 intent.setPriority(0); 12178 return; 12179 } 12180 } 12181 12182 // we found matching filter(s); app gets the max priority of all intents 12183 int cappedPriority = 0; 12184 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12185 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12186 } 12187 if (intent.getPriority() > cappedPriority) { 12188 if (DEBUG_FILTERS) { 12189 Slog.i(TAG, "Found matching filter(s);" 12190 + " cap priority to " + cappedPriority + ";" 12191 + " package: " + applicationInfo.packageName 12192 + " activity: " + intent.activity.className 12193 + " origPrio: " + intent.getPriority()); 12194 } 12195 intent.setPriority(cappedPriority); 12196 return; 12197 } 12198 // all this for nothing; the requested priority was <= what was on the system 12199 } 12200 12201 public final void addActivity(PackageParser.Activity a, String type) { 12202 mActivities.put(a.getComponentName(), a); 12203 if (DEBUG_SHOW_INFO) 12204 Log.v( 12205 TAG, " " + type + " " + 12206 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12207 if (DEBUG_SHOW_INFO) 12208 Log.v(TAG, " Class=" + a.info.name); 12209 final int NI = a.intents.size(); 12210 for (int j=0; j<NI; j++) { 12211 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12212 if ("activity".equals(type)) { 12213 final PackageSetting ps = 12214 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12215 final List<PackageParser.Activity> systemActivities = 12216 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12217 adjustPriority(systemActivities, intent); 12218 } 12219 if (DEBUG_SHOW_INFO) { 12220 Log.v(TAG, " IntentFilter:"); 12221 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12222 } 12223 if (!intent.debugCheck()) { 12224 Log.w(TAG, "==> For Activity " + a.info.name); 12225 } 12226 addFilter(intent); 12227 } 12228 } 12229 12230 public final void removeActivity(PackageParser.Activity a, String type) { 12231 mActivities.remove(a.getComponentName()); 12232 if (DEBUG_SHOW_INFO) { 12233 Log.v(TAG, " " + type + " " 12234 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12235 : a.info.name) + ":"); 12236 Log.v(TAG, " Class=" + a.info.name); 12237 } 12238 final int NI = a.intents.size(); 12239 for (int j=0; j<NI; j++) { 12240 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12241 if (DEBUG_SHOW_INFO) { 12242 Log.v(TAG, " IntentFilter:"); 12243 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12244 } 12245 removeFilter(intent); 12246 } 12247 } 12248 12249 @Override 12250 protected boolean allowFilterResult( 12251 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12252 ActivityInfo filterAi = filter.activity.info; 12253 for (int i=dest.size()-1; i>=0; i--) { 12254 ActivityInfo destAi = dest.get(i).activityInfo; 12255 if (destAi.name == filterAi.name 12256 && destAi.packageName == filterAi.packageName) { 12257 return false; 12258 } 12259 } 12260 return true; 12261 } 12262 12263 @Override 12264 protected ActivityIntentInfo[] newArray(int size) { 12265 return new ActivityIntentInfo[size]; 12266 } 12267 12268 @Override 12269 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12270 if (!sUserManager.exists(userId)) return true; 12271 PackageParser.Package p = filter.activity.owner; 12272 if (p != null) { 12273 PackageSetting ps = (PackageSetting)p.mExtras; 12274 if (ps != null) { 12275 // System apps are never considered stopped for purposes of 12276 // filtering, because there may be no way for the user to 12277 // actually re-launch them. 12278 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12279 && ps.getStopped(userId); 12280 } 12281 } 12282 return false; 12283 } 12284 12285 @Override 12286 protected boolean isPackageForFilter(String packageName, 12287 PackageParser.ActivityIntentInfo info) { 12288 return packageName.equals(info.activity.owner.packageName); 12289 } 12290 12291 @Override 12292 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12293 int match, int userId) { 12294 if (!sUserManager.exists(userId)) return null; 12295 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12296 return null; 12297 } 12298 final PackageParser.Activity activity = info.activity; 12299 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12300 if (ps == null) { 12301 return null; 12302 } 12303 final PackageUserState userState = ps.readUserState(userId); 12304 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 12305 userState, userId); 12306 if (ai == null) { 12307 return null; 12308 } 12309 final boolean matchVisibleToInstantApp = 12310 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12311 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12312 // throw out filters that aren't visible to ephemeral apps 12313 if (matchVisibleToInstantApp 12314 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12315 return null; 12316 } 12317 // throw out ephemeral filters if we're not explicitly requesting them 12318 if (!isInstantApp && userState.instantApp) { 12319 return null; 12320 } 12321 final ResolveInfo res = new ResolveInfo(); 12322 res.activityInfo = ai; 12323 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12324 res.filter = info; 12325 } 12326 if (info != null) { 12327 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12328 } 12329 res.priority = info.getPriority(); 12330 res.preferredOrder = activity.owner.mPreferredOrder; 12331 //System.out.println("Result: " + res.activityInfo.className + 12332 // " = " + res.priority); 12333 res.match = match; 12334 res.isDefault = info.hasDefault; 12335 res.labelRes = info.labelRes; 12336 res.nonLocalizedLabel = info.nonLocalizedLabel; 12337 if (userNeedsBadging(userId)) { 12338 res.noResourceId = true; 12339 } else { 12340 res.icon = info.icon; 12341 } 12342 res.iconResourceId = info.icon; 12343 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12344 return res; 12345 } 12346 12347 @Override 12348 protected void sortResults(List<ResolveInfo> results) { 12349 Collections.sort(results, mResolvePrioritySorter); 12350 } 12351 12352 @Override 12353 protected void dumpFilter(PrintWriter out, String prefix, 12354 PackageParser.ActivityIntentInfo filter) { 12355 out.print(prefix); out.print( 12356 Integer.toHexString(System.identityHashCode(filter.activity))); 12357 out.print(' '); 12358 filter.activity.printComponentShortName(out); 12359 out.print(" filter "); 12360 out.println(Integer.toHexString(System.identityHashCode(filter))); 12361 } 12362 12363 @Override 12364 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12365 return filter.activity; 12366 } 12367 12368 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12369 PackageParser.Activity activity = (PackageParser.Activity)label; 12370 out.print(prefix); out.print( 12371 Integer.toHexString(System.identityHashCode(activity))); 12372 out.print(' '); 12373 activity.printComponentShortName(out); 12374 if (count > 1) { 12375 out.print(" ("); out.print(count); out.print(" filters)"); 12376 } 12377 out.println(); 12378 } 12379 12380 // Keys are String (activity class name), values are Activity. 12381 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12382 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12383 private int mFlags; 12384 } 12385 12386 private final class ServiceIntentResolver 12387 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12388 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12389 boolean defaultOnly, int userId) { 12390 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12391 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12392 } 12393 12394 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12395 int userId) { 12396 if (!sUserManager.exists(userId)) return null; 12397 mFlags = flags; 12398 return super.queryIntent(intent, resolvedType, 12399 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12400 userId); 12401 } 12402 12403 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12404 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12405 if (!sUserManager.exists(userId)) return null; 12406 if (packageServices == null) { 12407 return null; 12408 } 12409 mFlags = flags; 12410 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12411 final int N = packageServices.size(); 12412 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12413 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12414 12415 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12416 for (int i = 0; i < N; ++i) { 12417 intentFilters = packageServices.get(i).intents; 12418 if (intentFilters != null && intentFilters.size() > 0) { 12419 PackageParser.ServiceIntentInfo[] array = 12420 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12421 intentFilters.toArray(array); 12422 listCut.add(array); 12423 } 12424 } 12425 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12426 } 12427 12428 public final void addService(PackageParser.Service s) { 12429 mServices.put(s.getComponentName(), s); 12430 if (DEBUG_SHOW_INFO) { 12431 Log.v(TAG, " " 12432 + (s.info.nonLocalizedLabel != null 12433 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12434 Log.v(TAG, " Class=" + s.info.name); 12435 } 12436 final int NI = s.intents.size(); 12437 int j; 12438 for (j=0; j<NI; j++) { 12439 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12440 if (DEBUG_SHOW_INFO) { 12441 Log.v(TAG, " IntentFilter:"); 12442 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12443 } 12444 if (!intent.debugCheck()) { 12445 Log.w(TAG, "==> For Service " + s.info.name); 12446 } 12447 addFilter(intent); 12448 } 12449 } 12450 12451 public final void removeService(PackageParser.Service s) { 12452 mServices.remove(s.getComponentName()); 12453 if (DEBUG_SHOW_INFO) { 12454 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12455 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12456 Log.v(TAG, " Class=" + s.info.name); 12457 } 12458 final int NI = s.intents.size(); 12459 int j; 12460 for (j=0; j<NI; j++) { 12461 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12462 if (DEBUG_SHOW_INFO) { 12463 Log.v(TAG, " IntentFilter:"); 12464 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12465 } 12466 removeFilter(intent); 12467 } 12468 } 12469 12470 @Override 12471 protected boolean allowFilterResult( 12472 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12473 ServiceInfo filterSi = filter.service.info; 12474 for (int i=dest.size()-1; i>=0; i--) { 12475 ServiceInfo destAi = dest.get(i).serviceInfo; 12476 if (destAi.name == filterSi.name 12477 && destAi.packageName == filterSi.packageName) { 12478 return false; 12479 } 12480 } 12481 return true; 12482 } 12483 12484 @Override 12485 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12486 return new PackageParser.ServiceIntentInfo[size]; 12487 } 12488 12489 @Override 12490 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12491 if (!sUserManager.exists(userId)) return true; 12492 PackageParser.Package p = filter.service.owner; 12493 if (p != null) { 12494 PackageSetting ps = (PackageSetting)p.mExtras; 12495 if (ps != null) { 12496 // System apps are never considered stopped for purposes of 12497 // filtering, because there may be no way for the user to 12498 // actually re-launch them. 12499 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12500 && ps.getStopped(userId); 12501 } 12502 } 12503 return false; 12504 } 12505 12506 @Override 12507 protected boolean isPackageForFilter(String packageName, 12508 PackageParser.ServiceIntentInfo info) { 12509 return packageName.equals(info.service.owner.packageName); 12510 } 12511 12512 @Override 12513 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12514 int match, int userId) { 12515 if (!sUserManager.exists(userId)) return null; 12516 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12517 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12518 return null; 12519 } 12520 final PackageParser.Service service = info.service; 12521 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12522 if (ps == null) { 12523 return null; 12524 } 12525 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12526 ps.readUserState(userId), userId); 12527 if (si == null) { 12528 return null; 12529 } 12530 final ResolveInfo res = new ResolveInfo(); 12531 res.serviceInfo = si; 12532 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12533 res.filter = filter; 12534 } 12535 res.priority = info.getPriority(); 12536 res.preferredOrder = service.owner.mPreferredOrder; 12537 res.match = match; 12538 res.isDefault = info.hasDefault; 12539 res.labelRes = info.labelRes; 12540 res.nonLocalizedLabel = info.nonLocalizedLabel; 12541 res.icon = info.icon; 12542 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12543 return res; 12544 } 12545 12546 @Override 12547 protected void sortResults(List<ResolveInfo> results) { 12548 Collections.sort(results, mResolvePrioritySorter); 12549 } 12550 12551 @Override 12552 protected void dumpFilter(PrintWriter out, String prefix, 12553 PackageParser.ServiceIntentInfo filter) { 12554 out.print(prefix); out.print( 12555 Integer.toHexString(System.identityHashCode(filter.service))); 12556 out.print(' '); 12557 filter.service.printComponentShortName(out); 12558 out.print(" filter "); 12559 out.println(Integer.toHexString(System.identityHashCode(filter))); 12560 } 12561 12562 @Override 12563 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12564 return filter.service; 12565 } 12566 12567 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12568 PackageParser.Service service = (PackageParser.Service)label; 12569 out.print(prefix); out.print( 12570 Integer.toHexString(System.identityHashCode(service))); 12571 out.print(' '); 12572 service.printComponentShortName(out); 12573 if (count > 1) { 12574 out.print(" ("); out.print(count); out.print(" filters)"); 12575 } 12576 out.println(); 12577 } 12578 12579// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12580// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12581// final List<ResolveInfo> retList = Lists.newArrayList(); 12582// while (i.hasNext()) { 12583// final ResolveInfo resolveInfo = (ResolveInfo) i; 12584// if (isEnabledLP(resolveInfo.serviceInfo)) { 12585// retList.add(resolveInfo); 12586// } 12587// } 12588// return retList; 12589// } 12590 12591 // Keys are String (activity class name), values are Activity. 12592 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12593 = new ArrayMap<ComponentName, PackageParser.Service>(); 12594 private int mFlags; 12595 } 12596 12597 private final class ProviderIntentResolver 12598 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12599 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12600 boolean defaultOnly, int userId) { 12601 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12602 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12603 } 12604 12605 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12606 int userId) { 12607 if (!sUserManager.exists(userId)) 12608 return null; 12609 mFlags = flags; 12610 return super.queryIntent(intent, resolvedType, 12611 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12612 userId); 12613 } 12614 12615 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12616 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12617 if (!sUserManager.exists(userId)) 12618 return null; 12619 if (packageProviders == null) { 12620 return null; 12621 } 12622 mFlags = flags; 12623 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12624 final int N = packageProviders.size(); 12625 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12626 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12627 12628 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12629 for (int i = 0; i < N; ++i) { 12630 intentFilters = packageProviders.get(i).intents; 12631 if (intentFilters != null && intentFilters.size() > 0) { 12632 PackageParser.ProviderIntentInfo[] array = 12633 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12634 intentFilters.toArray(array); 12635 listCut.add(array); 12636 } 12637 } 12638 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12639 } 12640 12641 public final void addProvider(PackageParser.Provider p) { 12642 if (mProviders.containsKey(p.getComponentName())) { 12643 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12644 return; 12645 } 12646 12647 mProviders.put(p.getComponentName(), p); 12648 if (DEBUG_SHOW_INFO) { 12649 Log.v(TAG, " " 12650 + (p.info.nonLocalizedLabel != null 12651 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12652 Log.v(TAG, " Class=" + p.info.name); 12653 } 12654 final int NI = p.intents.size(); 12655 int j; 12656 for (j = 0; j < NI; j++) { 12657 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12658 if (DEBUG_SHOW_INFO) { 12659 Log.v(TAG, " IntentFilter:"); 12660 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12661 } 12662 if (!intent.debugCheck()) { 12663 Log.w(TAG, "==> For Provider " + p.info.name); 12664 } 12665 addFilter(intent); 12666 } 12667 } 12668 12669 public final void removeProvider(PackageParser.Provider p) { 12670 mProviders.remove(p.getComponentName()); 12671 if (DEBUG_SHOW_INFO) { 12672 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12673 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12674 Log.v(TAG, " Class=" + p.info.name); 12675 } 12676 final int NI = p.intents.size(); 12677 int j; 12678 for (j = 0; j < NI; j++) { 12679 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12680 if (DEBUG_SHOW_INFO) { 12681 Log.v(TAG, " IntentFilter:"); 12682 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12683 } 12684 removeFilter(intent); 12685 } 12686 } 12687 12688 @Override 12689 protected boolean allowFilterResult( 12690 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12691 ProviderInfo filterPi = filter.provider.info; 12692 for (int i = dest.size() - 1; i >= 0; i--) { 12693 ProviderInfo destPi = dest.get(i).providerInfo; 12694 if (destPi.name == filterPi.name 12695 && destPi.packageName == filterPi.packageName) { 12696 return false; 12697 } 12698 } 12699 return true; 12700 } 12701 12702 @Override 12703 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12704 return new PackageParser.ProviderIntentInfo[size]; 12705 } 12706 12707 @Override 12708 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12709 if (!sUserManager.exists(userId)) 12710 return true; 12711 PackageParser.Package p = filter.provider.owner; 12712 if (p != null) { 12713 PackageSetting ps = (PackageSetting) p.mExtras; 12714 if (ps != null) { 12715 // System apps are never considered stopped for purposes of 12716 // filtering, because there may be no way for the user to 12717 // actually re-launch them. 12718 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12719 && ps.getStopped(userId); 12720 } 12721 } 12722 return false; 12723 } 12724 12725 @Override 12726 protected boolean isPackageForFilter(String packageName, 12727 PackageParser.ProviderIntentInfo info) { 12728 return packageName.equals(info.provider.owner.packageName); 12729 } 12730 12731 @Override 12732 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12733 int match, int userId) { 12734 if (!sUserManager.exists(userId)) 12735 return null; 12736 final PackageParser.ProviderIntentInfo info = filter; 12737 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12738 return null; 12739 } 12740 final PackageParser.Provider provider = info.provider; 12741 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12742 if (ps == null) { 12743 return null; 12744 } 12745 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12746 ps.readUserState(userId), userId); 12747 if (pi == null) { 12748 return null; 12749 } 12750 final ResolveInfo res = new ResolveInfo(); 12751 res.providerInfo = pi; 12752 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12753 res.filter = filter; 12754 } 12755 res.priority = info.getPriority(); 12756 res.preferredOrder = provider.owner.mPreferredOrder; 12757 res.match = match; 12758 res.isDefault = info.hasDefault; 12759 res.labelRes = info.labelRes; 12760 res.nonLocalizedLabel = info.nonLocalizedLabel; 12761 res.icon = info.icon; 12762 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12763 return res; 12764 } 12765 12766 @Override 12767 protected void sortResults(List<ResolveInfo> results) { 12768 Collections.sort(results, mResolvePrioritySorter); 12769 } 12770 12771 @Override 12772 protected void dumpFilter(PrintWriter out, String prefix, 12773 PackageParser.ProviderIntentInfo filter) { 12774 out.print(prefix); 12775 out.print( 12776 Integer.toHexString(System.identityHashCode(filter.provider))); 12777 out.print(' '); 12778 filter.provider.printComponentShortName(out); 12779 out.print(" filter "); 12780 out.println(Integer.toHexString(System.identityHashCode(filter))); 12781 } 12782 12783 @Override 12784 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12785 return filter.provider; 12786 } 12787 12788 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12789 PackageParser.Provider provider = (PackageParser.Provider)label; 12790 out.print(prefix); out.print( 12791 Integer.toHexString(System.identityHashCode(provider))); 12792 out.print(' '); 12793 provider.printComponentShortName(out); 12794 if (count > 1) { 12795 out.print(" ("); out.print(count); out.print(" filters)"); 12796 } 12797 out.println(); 12798 } 12799 12800 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12801 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12802 private int mFlags; 12803 } 12804 12805 static final class EphemeralIntentResolver 12806 extends IntentResolver<AuxiliaryResolveInfo, AuxiliaryResolveInfo> { 12807 /** 12808 * The result that has the highest defined order. Ordering applies on a 12809 * per-package basis. Mapping is from package name to Pair of order and 12810 * EphemeralResolveInfo. 12811 * <p> 12812 * NOTE: This is implemented as a field variable for convenience and efficiency. 12813 * By having a field variable, we're able to track filter ordering as soon as 12814 * a non-zero order is defined. Otherwise, multiple loops across the result set 12815 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12816 * this needs to be contained entirely within {@link #filterResults()}. 12817 */ 12818 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 12819 12820 @Override 12821 protected AuxiliaryResolveInfo[] newArray(int size) { 12822 return new AuxiliaryResolveInfo[size]; 12823 } 12824 12825 @Override 12826 protected boolean isPackageForFilter(String packageName, AuxiliaryResolveInfo responseObj) { 12827 return true; 12828 } 12829 12830 @Override 12831 protected AuxiliaryResolveInfo newResult(AuxiliaryResolveInfo responseObj, int match, 12832 int userId) { 12833 if (!sUserManager.exists(userId)) { 12834 return null; 12835 } 12836 final String packageName = responseObj.resolveInfo.getPackageName(); 12837 final Integer order = responseObj.getOrder(); 12838 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 12839 mOrderResult.get(packageName); 12840 // ordering is enabled and this item's order isn't high enough 12841 if (lastOrderResult != null && lastOrderResult.first >= order) { 12842 return null; 12843 } 12844 final EphemeralResolveInfo res = responseObj.resolveInfo; 12845 if (order > 0) { 12846 // non-zero order, enable ordering 12847 mOrderResult.put(packageName, new Pair<>(order, res)); 12848 } 12849 return responseObj; 12850 } 12851 12852 @Override 12853 protected void filterResults(List<AuxiliaryResolveInfo> results) { 12854 // only do work if ordering is enabled [most of the time it won't be] 12855 if (mOrderResult.size() == 0) { 12856 return; 12857 } 12858 int resultSize = results.size(); 12859 for (int i = 0; i < resultSize; i++) { 12860 final EphemeralResolveInfo info = results.get(i).resolveInfo; 12861 final String packageName = info.getPackageName(); 12862 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 12863 if (savedInfo == null) { 12864 // package doesn't having ordering 12865 continue; 12866 } 12867 if (savedInfo.second == info) { 12868 // circled back to the highest ordered item; remove from order list 12869 mOrderResult.remove(savedInfo); 12870 if (mOrderResult.size() == 0) { 12871 // no more ordered items 12872 break; 12873 } 12874 continue; 12875 } 12876 // item has a worse order, remove it from the result list 12877 results.remove(i); 12878 resultSize--; 12879 i--; 12880 } 12881 } 12882 } 12883 12884 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 12885 new Comparator<ResolveInfo>() { 12886 public int compare(ResolveInfo r1, ResolveInfo r2) { 12887 int v1 = r1.priority; 12888 int v2 = r2.priority; 12889 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 12890 if (v1 != v2) { 12891 return (v1 > v2) ? -1 : 1; 12892 } 12893 v1 = r1.preferredOrder; 12894 v2 = r2.preferredOrder; 12895 if (v1 != v2) { 12896 return (v1 > v2) ? -1 : 1; 12897 } 12898 if (r1.isDefault != r2.isDefault) { 12899 return r1.isDefault ? -1 : 1; 12900 } 12901 v1 = r1.match; 12902 v2 = r2.match; 12903 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12904 if (v1 != v2) { 12905 return (v1 > v2) ? -1 : 1; 12906 } 12907 if (r1.system != r2.system) { 12908 return r1.system ? -1 : 1; 12909 } 12910 if (r1.activityInfo != null) { 12911 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12912 } 12913 if (r1.serviceInfo != null) { 12914 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12915 } 12916 if (r1.providerInfo != null) { 12917 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12918 } 12919 return 0; 12920 } 12921 }; 12922 12923 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12924 new Comparator<ProviderInfo>() { 12925 public int compare(ProviderInfo p1, ProviderInfo p2) { 12926 final int v1 = p1.initOrder; 12927 final int v2 = p2.initOrder; 12928 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12929 } 12930 }; 12931 12932 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12933 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12934 final int[] userIds) { 12935 mHandler.post(new Runnable() { 12936 @Override 12937 public void run() { 12938 try { 12939 final IActivityManager am = ActivityManager.getService(); 12940 if (am == null) return; 12941 final int[] resolvedUserIds; 12942 if (userIds == null) { 12943 resolvedUserIds = am.getRunningUserIds(); 12944 } else { 12945 resolvedUserIds = userIds; 12946 } 12947 for (int id : resolvedUserIds) { 12948 final Intent intent = new Intent(action, 12949 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12950 if (extras != null) { 12951 intent.putExtras(extras); 12952 } 12953 if (targetPkg != null) { 12954 intent.setPackage(targetPkg); 12955 } 12956 // Modify the UID when posting to other users 12957 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12958 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12959 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12960 intent.putExtra(Intent.EXTRA_UID, uid); 12961 } 12962 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12963 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12964 if (DEBUG_BROADCASTS) { 12965 RuntimeException here = new RuntimeException("here"); 12966 here.fillInStackTrace(); 12967 Slog.d(TAG, "Sending to user " + id + ": " 12968 + intent.toShortString(false, true, false, false) 12969 + " " + intent.getExtras(), here); 12970 } 12971 am.broadcastIntent(null, intent, null, finishedReceiver, 12972 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12973 null, finishedReceiver != null, false, id); 12974 } 12975 } catch (RemoteException ex) { 12976 } 12977 } 12978 }); 12979 } 12980 12981 /** 12982 * Check if the external storage media is available. This is true if there 12983 * is a mounted external storage medium or if the external storage is 12984 * emulated. 12985 */ 12986 private boolean isExternalMediaAvailable() { 12987 return mMediaMounted || Environment.isExternalStorageEmulated(); 12988 } 12989 12990 @Override 12991 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12992 // writer 12993 synchronized (mPackages) { 12994 if (!isExternalMediaAvailable()) { 12995 // If the external storage is no longer mounted at this point, 12996 // the caller may not have been able to delete all of this 12997 // packages files and can not delete any more. Bail. 12998 return null; 12999 } 13000 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 13001 if (lastPackage != null) { 13002 pkgs.remove(lastPackage); 13003 } 13004 if (pkgs.size() > 0) { 13005 return pkgs.get(0); 13006 } 13007 } 13008 return null; 13009 } 13010 13011 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 13012 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 13013 userId, andCode ? 1 : 0, packageName); 13014 if (mSystemReady) { 13015 msg.sendToTarget(); 13016 } else { 13017 if (mPostSystemReadyMessages == null) { 13018 mPostSystemReadyMessages = new ArrayList<>(); 13019 } 13020 mPostSystemReadyMessages.add(msg); 13021 } 13022 } 13023 13024 void startCleaningPackages() { 13025 // reader 13026 if (!isExternalMediaAvailable()) { 13027 return; 13028 } 13029 synchronized (mPackages) { 13030 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 13031 return; 13032 } 13033 } 13034 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 13035 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 13036 IActivityManager am = ActivityManager.getService(); 13037 if (am != null) { 13038 try { 13039 am.startService(null, intent, null, -1, null, mContext.getOpPackageName(), 13040 UserHandle.USER_SYSTEM); 13041 } catch (RemoteException e) { 13042 } 13043 } 13044 } 13045 13046 @Override 13047 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 13048 int installFlags, String installerPackageName, int userId) { 13049 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 13050 13051 final int callingUid = Binder.getCallingUid(); 13052 enforceCrossUserPermission(callingUid, userId, 13053 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 13054 13055 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13056 try { 13057 if (observer != null) { 13058 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 13059 } 13060 } catch (RemoteException re) { 13061 } 13062 return; 13063 } 13064 13065 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 13066 installFlags |= PackageManager.INSTALL_FROM_ADB; 13067 13068 } else { 13069 // Caller holds INSTALL_PACKAGES permission, so we're less strict 13070 // about installerPackageName. 13071 13072 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 13073 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 13074 } 13075 13076 UserHandle user; 13077 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 13078 user = UserHandle.ALL; 13079 } else { 13080 user = new UserHandle(userId); 13081 } 13082 13083 // Only system components can circumvent runtime permissions when installing. 13084 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 13085 && mContext.checkCallingOrSelfPermission(Manifest.permission 13086 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 13087 throw new SecurityException("You need the " 13088 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 13089 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 13090 } 13091 13092 final File originFile = new File(originPath); 13093 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 13094 13095 final Message msg = mHandler.obtainMessage(INIT_COPY); 13096 final VerificationInfo verificationInfo = new VerificationInfo( 13097 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 13098 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 13099 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 13100 null /*packageAbiOverride*/, null /*grantedPermissions*/, 13101 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 13102 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 13103 msg.obj = params; 13104 13105 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 13106 System.identityHashCode(msg.obj)); 13107 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13108 System.identityHashCode(msg.obj)); 13109 13110 mHandler.sendMessage(msg); 13111 } 13112 13113 13114 /** 13115 * Ensure that the install reason matches what we know about the package installer (e.g. whether 13116 * it is acting on behalf on an enterprise or the user). 13117 * 13118 * Note that the ordering of the conditionals in this method is important. The checks we perform 13119 * are as follows, in this order: 13120 * 13121 * 1) If the install is being performed by a system app, we can trust the app to have set the 13122 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 13123 * what it is. 13124 * 2) If the install is being performed by a device or profile owner app, the install reason 13125 * should be enterprise policy. However, we cannot be sure that the device or profile owner 13126 * set the install reason correctly. If the app targets an older SDK version where install 13127 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 13128 * unset or wrong. Thus, we force the install reason to be enterprise policy. 13129 * 3) In all other cases, the install is being performed by a regular app that is neither part 13130 * of the system nor a device or profile owner. We have no reason to believe that this app is 13131 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 13132 * set to enterprise policy and if so, change it to unknown instead. 13133 */ 13134 private int fixUpInstallReason(String installerPackageName, int installerUid, 13135 int installReason) { 13136 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 13137 == PERMISSION_GRANTED) { 13138 // If the install is being performed by a system app, we trust that app to have set the 13139 // install reason correctly. 13140 return installReason; 13141 } 13142 13143 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13144 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13145 if (dpm != null) { 13146 ComponentName owner = null; 13147 try { 13148 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 13149 if (owner == null) { 13150 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 13151 } 13152 } catch (RemoteException e) { 13153 } 13154 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 13155 // If the install is being performed by a device or profile owner, the install 13156 // reason should be enterprise policy. 13157 return PackageManager.INSTALL_REASON_POLICY; 13158 } 13159 } 13160 13161 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 13162 // If the install is being performed by a regular app (i.e. neither system app nor 13163 // device or profile owner), we have no reason to believe that the app is acting on 13164 // behalf of an enterprise. If the app set the install reason to enterprise policy, 13165 // change it to unknown instead. 13166 return PackageManager.INSTALL_REASON_UNKNOWN; 13167 } 13168 13169 // If the install is being performed by a regular app and the install reason was set to any 13170 // value but enterprise policy, leave the install reason unchanged. 13171 return installReason; 13172 } 13173 13174 void installStage(String packageName, File stagedDir, String stagedCid, 13175 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13176 String installerPackageName, int installerUid, UserHandle user, 13177 Certificate[][] certificates) { 13178 if (DEBUG_EPHEMERAL) { 13179 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13180 Slog.d(TAG, "Ephemeral install of " + packageName); 13181 } 13182 } 13183 final VerificationInfo verificationInfo = new VerificationInfo( 13184 sessionParams.originatingUri, sessionParams.referrerUri, 13185 sessionParams.originatingUid, installerUid); 13186 13187 final OriginInfo origin; 13188 if (stagedDir != null) { 13189 origin = OriginInfo.fromStagedFile(stagedDir); 13190 } else { 13191 origin = OriginInfo.fromStagedContainer(stagedCid); 13192 } 13193 13194 final Message msg = mHandler.obtainMessage(INIT_COPY); 13195 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13196 sessionParams.installReason); 13197 final InstallParams params = new InstallParams(origin, null, observer, 13198 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13199 verificationInfo, user, sessionParams.abiOverride, 13200 sessionParams.grantedRuntimePermissions, certificates, installReason); 13201 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13202 msg.obj = params; 13203 13204 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13205 System.identityHashCode(msg.obj)); 13206 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13207 System.identityHashCode(msg.obj)); 13208 13209 mHandler.sendMessage(msg); 13210 } 13211 13212 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13213 int userId) { 13214 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13215 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 13216 } 13217 13218 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 13219 int appId, int... userIds) { 13220 if (ArrayUtils.isEmpty(userIds)) { 13221 return; 13222 } 13223 Bundle extras = new Bundle(1); 13224 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13225 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 13226 13227 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13228 packageName, extras, 0, null, null, userIds); 13229 if (isSystem) { 13230 mHandler.post(() -> { 13231 for (int userId : userIds) { 13232 sendBootCompletedBroadcastToSystemApp(packageName, userId); 13233 } 13234 } 13235 ); 13236 } 13237 } 13238 13239 /** 13240 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13241 * automatically without needing an explicit launch. 13242 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13243 */ 13244 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 13245 // If user is not running, the app didn't miss any broadcast 13246 if (!mUserManagerInternal.isUserRunning(userId)) { 13247 return; 13248 } 13249 final IActivityManager am = ActivityManager.getService(); 13250 try { 13251 // Deliver LOCKED_BOOT_COMPLETED first 13252 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13253 .setPackage(packageName); 13254 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13255 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13256 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13257 13258 // Deliver BOOT_COMPLETED only if user is unlocked 13259 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13260 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13261 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13262 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13263 } 13264 } catch (RemoteException e) { 13265 throw e.rethrowFromSystemServer(); 13266 } 13267 } 13268 13269 @Override 13270 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13271 int userId) { 13272 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13273 PackageSetting pkgSetting; 13274 final int uid = Binder.getCallingUid(); 13275 enforceCrossUserPermission(uid, userId, 13276 true /* requireFullPermission */, true /* checkShell */, 13277 "setApplicationHiddenSetting for user " + userId); 13278 13279 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13280 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13281 return false; 13282 } 13283 13284 long callingId = Binder.clearCallingIdentity(); 13285 try { 13286 boolean sendAdded = false; 13287 boolean sendRemoved = false; 13288 // writer 13289 synchronized (mPackages) { 13290 pkgSetting = mSettings.mPackages.get(packageName); 13291 if (pkgSetting == null) { 13292 return false; 13293 } 13294 // Do not allow "android" is being disabled 13295 if ("android".equals(packageName)) { 13296 Slog.w(TAG, "Cannot hide package: android"); 13297 return false; 13298 } 13299 // Cannot hide static shared libs as they are considered 13300 // a part of the using app (emulating static linking). Also 13301 // static libs are installed always on internal storage. 13302 PackageParser.Package pkg = mPackages.get(packageName); 13303 if (pkg != null && pkg.staticSharedLibName != null) { 13304 Slog.w(TAG, "Cannot hide package: " + packageName 13305 + " providing static shared library: " 13306 + pkg.staticSharedLibName); 13307 return false; 13308 } 13309 // Only allow protected packages to hide themselves. 13310 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 13311 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13312 Slog.w(TAG, "Not hiding protected package: " + packageName); 13313 return false; 13314 } 13315 13316 if (pkgSetting.getHidden(userId) != hidden) { 13317 pkgSetting.setHidden(hidden, userId); 13318 mSettings.writePackageRestrictionsLPr(userId); 13319 if (hidden) { 13320 sendRemoved = true; 13321 } else { 13322 sendAdded = true; 13323 } 13324 } 13325 } 13326 if (sendAdded) { 13327 sendPackageAddedForUser(packageName, pkgSetting, userId); 13328 return true; 13329 } 13330 if (sendRemoved) { 13331 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13332 "hiding pkg"); 13333 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13334 return true; 13335 } 13336 } finally { 13337 Binder.restoreCallingIdentity(callingId); 13338 } 13339 return false; 13340 } 13341 13342 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13343 int userId) { 13344 final PackageRemovedInfo info = new PackageRemovedInfo(); 13345 info.removedPackage = packageName; 13346 info.removedUsers = new int[] {userId}; 13347 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13348 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13349 } 13350 13351 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13352 if (pkgList.length > 0) { 13353 Bundle extras = new Bundle(1); 13354 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13355 13356 sendPackageBroadcast( 13357 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13358 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13359 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13360 new int[] {userId}); 13361 } 13362 } 13363 13364 /** 13365 * Returns true if application is not found or there was an error. Otherwise it returns 13366 * the hidden state of the package for the given user. 13367 */ 13368 @Override 13369 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13370 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13371 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13372 true /* requireFullPermission */, false /* checkShell */, 13373 "getApplicationHidden for user " + userId); 13374 PackageSetting pkgSetting; 13375 long callingId = Binder.clearCallingIdentity(); 13376 try { 13377 // writer 13378 synchronized (mPackages) { 13379 pkgSetting = mSettings.mPackages.get(packageName); 13380 if (pkgSetting == null) { 13381 return true; 13382 } 13383 return pkgSetting.getHidden(userId); 13384 } 13385 } finally { 13386 Binder.restoreCallingIdentity(callingId); 13387 } 13388 } 13389 13390 /** 13391 * @hide 13392 */ 13393 @Override 13394 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 13395 int installReason) { 13396 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13397 null); 13398 PackageSetting pkgSetting; 13399 final int uid = Binder.getCallingUid(); 13400 enforceCrossUserPermission(uid, userId, 13401 true /* requireFullPermission */, true /* checkShell */, 13402 "installExistingPackage for user " + userId); 13403 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13404 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13405 } 13406 13407 long callingId = Binder.clearCallingIdentity(); 13408 try { 13409 boolean installed = false; 13410 final boolean instantApp = 13411 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 13412 final boolean fullApp = 13413 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 13414 13415 // writer 13416 synchronized (mPackages) { 13417 pkgSetting = mSettings.mPackages.get(packageName); 13418 if (pkgSetting == null) { 13419 return PackageManager.INSTALL_FAILED_INVALID_URI; 13420 } 13421 if (!pkgSetting.getInstalled(userId)) { 13422 pkgSetting.setInstalled(true, userId); 13423 pkgSetting.setHidden(false, userId); 13424 pkgSetting.setInstallReason(installReason, userId); 13425 mSettings.writePackageRestrictionsLPr(userId); 13426 mSettings.writeKernelMappingLPr(pkgSetting); 13427 installed = true; 13428 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13429 // upgrade app from instant to full; we don't allow app downgrade 13430 installed = true; 13431 } 13432 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 13433 } 13434 13435 if (installed) { 13436 if (pkgSetting.pkg != null) { 13437 synchronized (mInstallLock) { 13438 // We don't need to freeze for a brand new install 13439 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13440 } 13441 } 13442 sendPackageAddedForUser(packageName, pkgSetting, userId); 13443 synchronized (mPackages) { 13444 updateSequenceNumberLP(packageName, new int[]{ userId }); 13445 } 13446 } 13447 } finally { 13448 Binder.restoreCallingIdentity(callingId); 13449 } 13450 13451 return PackageManager.INSTALL_SUCCEEDED; 13452 } 13453 13454 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 13455 boolean instantApp, boolean fullApp) { 13456 // no state specified; do nothing 13457 if (!instantApp && !fullApp) { 13458 return; 13459 } 13460 if (userId != UserHandle.USER_ALL) { 13461 if (instantApp && !pkgSetting.getInstantApp(userId)) { 13462 pkgSetting.setInstantApp(true /*instantApp*/, userId); 13463 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13464 pkgSetting.setInstantApp(false /*instantApp*/, userId); 13465 } 13466 } else { 13467 for (int currentUserId : sUserManager.getUserIds()) { 13468 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 13469 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 13470 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 13471 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 13472 } 13473 } 13474 } 13475 } 13476 13477 boolean isUserRestricted(int userId, String restrictionKey) { 13478 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13479 if (restrictions.getBoolean(restrictionKey, false)) { 13480 Log.w(TAG, "User is restricted: " + restrictionKey); 13481 return true; 13482 } 13483 return false; 13484 } 13485 13486 @Override 13487 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13488 int userId) { 13489 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13490 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13491 true /* requireFullPermission */, true /* checkShell */, 13492 "setPackagesSuspended for user " + userId); 13493 13494 if (ArrayUtils.isEmpty(packageNames)) { 13495 return packageNames; 13496 } 13497 13498 // List of package names for whom the suspended state has changed. 13499 List<String> changedPackages = new ArrayList<>(packageNames.length); 13500 // List of package names for whom the suspended state is not set as requested in this 13501 // method. 13502 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13503 long callingId = Binder.clearCallingIdentity(); 13504 try { 13505 for (int i = 0; i < packageNames.length; i++) { 13506 String packageName = packageNames[i]; 13507 boolean changed = false; 13508 final int appId; 13509 synchronized (mPackages) { 13510 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13511 if (pkgSetting == null) { 13512 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13513 + "\". Skipping suspending/un-suspending."); 13514 unactionedPackages.add(packageName); 13515 continue; 13516 } 13517 appId = pkgSetting.appId; 13518 if (pkgSetting.getSuspended(userId) != suspended) { 13519 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13520 unactionedPackages.add(packageName); 13521 continue; 13522 } 13523 pkgSetting.setSuspended(suspended, userId); 13524 mSettings.writePackageRestrictionsLPr(userId); 13525 changed = true; 13526 changedPackages.add(packageName); 13527 } 13528 } 13529 13530 if (changed && suspended) { 13531 killApplication(packageName, UserHandle.getUid(userId, appId), 13532 "suspending package"); 13533 } 13534 } 13535 } finally { 13536 Binder.restoreCallingIdentity(callingId); 13537 } 13538 13539 if (!changedPackages.isEmpty()) { 13540 sendPackagesSuspendedForUser(changedPackages.toArray( 13541 new String[changedPackages.size()]), userId, suspended); 13542 } 13543 13544 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13545 } 13546 13547 @Override 13548 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13549 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13550 true /* requireFullPermission */, false /* checkShell */, 13551 "isPackageSuspendedForUser for user " + userId); 13552 synchronized (mPackages) { 13553 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13554 if (pkgSetting == null) { 13555 throw new IllegalArgumentException("Unknown target package: " + packageName); 13556 } 13557 return pkgSetting.getSuspended(userId); 13558 } 13559 } 13560 13561 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13562 if (isPackageDeviceAdmin(packageName, userId)) { 13563 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13564 + "\": has an active device admin"); 13565 return false; 13566 } 13567 13568 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13569 if (packageName.equals(activeLauncherPackageName)) { 13570 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13571 + "\": contains the active launcher"); 13572 return false; 13573 } 13574 13575 if (packageName.equals(mRequiredInstallerPackage)) { 13576 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13577 + "\": required for package installation"); 13578 return false; 13579 } 13580 13581 if (packageName.equals(mRequiredUninstallerPackage)) { 13582 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13583 + "\": required for package uninstallation"); 13584 return false; 13585 } 13586 13587 if (packageName.equals(mRequiredVerifierPackage)) { 13588 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13589 + "\": required for package verification"); 13590 return false; 13591 } 13592 13593 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13594 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13595 + "\": is the default dialer"); 13596 return false; 13597 } 13598 13599 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13600 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13601 + "\": protected package"); 13602 return false; 13603 } 13604 13605 // Cannot suspend static shared libs as they are considered 13606 // a part of the using app (emulating static linking). Also 13607 // static libs are installed always on internal storage. 13608 PackageParser.Package pkg = mPackages.get(packageName); 13609 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13610 Slog.w(TAG, "Cannot suspend package: " + packageName 13611 + " providing static shared library: " 13612 + pkg.staticSharedLibName); 13613 return false; 13614 } 13615 13616 return true; 13617 } 13618 13619 private String getActiveLauncherPackageName(int userId) { 13620 Intent intent = new Intent(Intent.ACTION_MAIN); 13621 intent.addCategory(Intent.CATEGORY_HOME); 13622 ResolveInfo resolveInfo = resolveIntent( 13623 intent, 13624 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13625 PackageManager.MATCH_DEFAULT_ONLY, 13626 userId); 13627 13628 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13629 } 13630 13631 private String getDefaultDialerPackageName(int userId) { 13632 synchronized (mPackages) { 13633 return mSettings.getDefaultDialerPackageNameLPw(userId); 13634 } 13635 } 13636 13637 @Override 13638 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13639 mContext.enforceCallingOrSelfPermission( 13640 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13641 "Only package verification agents can verify applications"); 13642 13643 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13644 final PackageVerificationResponse response = new PackageVerificationResponse( 13645 verificationCode, Binder.getCallingUid()); 13646 msg.arg1 = id; 13647 msg.obj = response; 13648 mHandler.sendMessage(msg); 13649 } 13650 13651 @Override 13652 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13653 long millisecondsToDelay) { 13654 mContext.enforceCallingOrSelfPermission( 13655 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13656 "Only package verification agents can extend verification timeouts"); 13657 13658 final PackageVerificationState state = mPendingVerification.get(id); 13659 final PackageVerificationResponse response = new PackageVerificationResponse( 13660 verificationCodeAtTimeout, Binder.getCallingUid()); 13661 13662 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13663 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13664 } 13665 if (millisecondsToDelay < 0) { 13666 millisecondsToDelay = 0; 13667 } 13668 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13669 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13670 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13671 } 13672 13673 if ((state != null) && !state.timeoutExtended()) { 13674 state.extendTimeout(); 13675 13676 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13677 msg.arg1 = id; 13678 msg.obj = response; 13679 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13680 } 13681 } 13682 13683 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13684 int verificationCode, UserHandle user) { 13685 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13686 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13687 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13688 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13689 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13690 13691 mContext.sendBroadcastAsUser(intent, user, 13692 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13693 } 13694 13695 private ComponentName matchComponentForVerifier(String packageName, 13696 List<ResolveInfo> receivers) { 13697 ActivityInfo targetReceiver = null; 13698 13699 final int NR = receivers.size(); 13700 for (int i = 0; i < NR; i++) { 13701 final ResolveInfo info = receivers.get(i); 13702 if (info.activityInfo == null) { 13703 continue; 13704 } 13705 13706 if (packageName.equals(info.activityInfo.packageName)) { 13707 targetReceiver = info.activityInfo; 13708 break; 13709 } 13710 } 13711 13712 if (targetReceiver == null) { 13713 return null; 13714 } 13715 13716 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13717 } 13718 13719 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13720 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13721 if (pkgInfo.verifiers.length == 0) { 13722 return null; 13723 } 13724 13725 final int N = pkgInfo.verifiers.length; 13726 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13727 for (int i = 0; i < N; i++) { 13728 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13729 13730 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13731 receivers); 13732 if (comp == null) { 13733 continue; 13734 } 13735 13736 final int verifierUid = getUidForVerifier(verifierInfo); 13737 if (verifierUid == -1) { 13738 continue; 13739 } 13740 13741 if (DEBUG_VERIFY) { 13742 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13743 + " with the correct signature"); 13744 } 13745 sufficientVerifiers.add(comp); 13746 verificationState.addSufficientVerifier(verifierUid); 13747 } 13748 13749 return sufficientVerifiers; 13750 } 13751 13752 private int getUidForVerifier(VerifierInfo verifierInfo) { 13753 synchronized (mPackages) { 13754 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13755 if (pkg == null) { 13756 return -1; 13757 } else if (pkg.mSignatures.length != 1) { 13758 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13759 + " has more than one signature; ignoring"); 13760 return -1; 13761 } 13762 13763 /* 13764 * If the public key of the package's signature does not match 13765 * our expected public key, then this is a different package and 13766 * we should skip. 13767 */ 13768 13769 final byte[] expectedPublicKey; 13770 try { 13771 final Signature verifierSig = pkg.mSignatures[0]; 13772 final PublicKey publicKey = verifierSig.getPublicKey(); 13773 expectedPublicKey = publicKey.getEncoded(); 13774 } catch (CertificateException e) { 13775 return -1; 13776 } 13777 13778 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13779 13780 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13781 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13782 + " does not have the expected public key; ignoring"); 13783 return -1; 13784 } 13785 13786 return pkg.applicationInfo.uid; 13787 } 13788 } 13789 13790 @Override 13791 public void finishPackageInstall(int token, boolean didLaunch) { 13792 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13793 13794 if (DEBUG_INSTALL) { 13795 Slog.v(TAG, "BM finishing package install for " + token); 13796 } 13797 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13798 13799 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13800 mHandler.sendMessage(msg); 13801 } 13802 13803 /** 13804 * Get the verification agent timeout. 13805 * 13806 * @return verification timeout in milliseconds 13807 */ 13808 private long getVerificationTimeout() { 13809 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 13810 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 13811 DEFAULT_VERIFICATION_TIMEOUT); 13812 } 13813 13814 /** 13815 * Get the default verification agent response code. 13816 * 13817 * @return default verification response code 13818 */ 13819 private int getDefaultVerificationResponse() { 13820 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13821 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 13822 DEFAULT_VERIFICATION_RESPONSE); 13823 } 13824 13825 /** 13826 * Check whether or not package verification has been enabled. 13827 * 13828 * @return true if verification should be performed 13829 */ 13830 private boolean isVerificationEnabled(int userId, int installFlags) { 13831 if (!DEFAULT_VERIFY_ENABLE) { 13832 return false; 13833 } 13834 // Ephemeral apps don't get the full verification treatment 13835 if ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13836 if (DEBUG_EPHEMERAL) { 13837 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 13838 } 13839 return false; 13840 } 13841 13842 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 13843 13844 // Check if installing from ADB 13845 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 13846 // Do not run verification in a test harness environment 13847 if (ActivityManager.isRunningInTestHarness()) { 13848 return false; 13849 } 13850 if (ensureVerifyAppsEnabled) { 13851 return true; 13852 } 13853 // Check if the developer does not want package verification for ADB installs 13854 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13855 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 13856 return false; 13857 } 13858 } 13859 13860 if (ensureVerifyAppsEnabled) { 13861 return true; 13862 } 13863 13864 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13865 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 13866 } 13867 13868 @Override 13869 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 13870 throws RemoteException { 13871 mContext.enforceCallingOrSelfPermission( 13872 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 13873 "Only intentfilter verification agents can verify applications"); 13874 13875 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 13876 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 13877 Binder.getCallingUid(), verificationCode, failedDomains); 13878 msg.arg1 = id; 13879 msg.obj = response; 13880 mHandler.sendMessage(msg); 13881 } 13882 13883 @Override 13884 public int getIntentVerificationStatus(String packageName, int userId) { 13885 synchronized (mPackages) { 13886 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 13887 } 13888 } 13889 13890 @Override 13891 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 13892 mContext.enforceCallingOrSelfPermission( 13893 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13894 13895 boolean result = false; 13896 synchronized (mPackages) { 13897 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 13898 } 13899 if (result) { 13900 scheduleWritePackageRestrictionsLocked(userId); 13901 } 13902 return result; 13903 } 13904 13905 @Override 13906 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 13907 String packageName) { 13908 synchronized (mPackages) { 13909 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 13910 } 13911 } 13912 13913 @Override 13914 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 13915 if (TextUtils.isEmpty(packageName)) { 13916 return ParceledListSlice.emptyList(); 13917 } 13918 synchronized (mPackages) { 13919 PackageParser.Package pkg = mPackages.get(packageName); 13920 if (pkg == null || pkg.activities == null) { 13921 return ParceledListSlice.emptyList(); 13922 } 13923 final int count = pkg.activities.size(); 13924 ArrayList<IntentFilter> result = new ArrayList<>(); 13925 for (int n=0; n<count; n++) { 13926 PackageParser.Activity activity = pkg.activities.get(n); 13927 if (activity.intents != null && activity.intents.size() > 0) { 13928 result.addAll(activity.intents); 13929 } 13930 } 13931 return new ParceledListSlice<>(result); 13932 } 13933 } 13934 13935 @Override 13936 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 13937 mContext.enforceCallingOrSelfPermission( 13938 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13939 13940 synchronized (mPackages) { 13941 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 13942 if (packageName != null) { 13943 result |= updateIntentVerificationStatus(packageName, 13944 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 13945 userId); 13946 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 13947 packageName, userId); 13948 } 13949 return result; 13950 } 13951 } 13952 13953 @Override 13954 public String getDefaultBrowserPackageName(int userId) { 13955 synchronized (mPackages) { 13956 return mSettings.getDefaultBrowserPackageNameLPw(userId); 13957 } 13958 } 13959 13960 /** 13961 * Get the "allow unknown sources" setting. 13962 * 13963 * @return the current "allow unknown sources" setting 13964 */ 13965 private int getUnknownSourcesSettings() { 13966 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 13967 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 13968 -1); 13969 } 13970 13971 @Override 13972 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 13973 final int uid = Binder.getCallingUid(); 13974 // writer 13975 synchronized (mPackages) { 13976 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 13977 if (targetPackageSetting == null) { 13978 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 13979 } 13980 13981 PackageSetting installerPackageSetting; 13982 if (installerPackageName != null) { 13983 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 13984 if (installerPackageSetting == null) { 13985 throw new IllegalArgumentException("Unknown installer package: " 13986 + installerPackageName); 13987 } 13988 } else { 13989 installerPackageSetting = null; 13990 } 13991 13992 Signature[] callerSignature; 13993 Object obj = mSettings.getUserIdLPr(uid); 13994 if (obj != null) { 13995 if (obj instanceof SharedUserSetting) { 13996 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 13997 } else if (obj instanceof PackageSetting) { 13998 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 13999 } else { 14000 throw new SecurityException("Bad object " + obj + " for uid " + uid); 14001 } 14002 } else { 14003 throw new SecurityException("Unknown calling UID: " + uid); 14004 } 14005 14006 // Verify: can't set installerPackageName to a package that is 14007 // not signed with the same cert as the caller. 14008 if (installerPackageSetting != null) { 14009 if (compareSignatures(callerSignature, 14010 installerPackageSetting.signatures.mSignatures) 14011 != PackageManager.SIGNATURE_MATCH) { 14012 throw new SecurityException( 14013 "Caller does not have same cert as new installer package " 14014 + installerPackageName); 14015 } 14016 } 14017 14018 // Verify: if target already has an installer package, it must 14019 // be signed with the same cert as the caller. 14020 if (targetPackageSetting.installerPackageName != null) { 14021 PackageSetting setting = mSettings.mPackages.get( 14022 targetPackageSetting.installerPackageName); 14023 // If the currently set package isn't valid, then it's always 14024 // okay to change it. 14025 if (setting != null) { 14026 if (compareSignatures(callerSignature, 14027 setting.signatures.mSignatures) 14028 != PackageManager.SIGNATURE_MATCH) { 14029 throw new SecurityException( 14030 "Caller does not have same cert as old installer package " 14031 + targetPackageSetting.installerPackageName); 14032 } 14033 } 14034 } 14035 14036 // Okay! 14037 targetPackageSetting.installerPackageName = installerPackageName; 14038 if (installerPackageName != null) { 14039 mSettings.mInstallerPackages.add(installerPackageName); 14040 } 14041 scheduleWriteSettingsLocked(); 14042 } 14043 } 14044 14045 @Override 14046 public void setApplicationCategoryHint(String packageName, int categoryHint, 14047 String callerPackageName) { 14048 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 14049 callerPackageName); 14050 synchronized (mPackages) { 14051 PackageSetting ps = mSettings.mPackages.get(packageName); 14052 if (ps == null) { 14053 throw new IllegalArgumentException("Unknown target package " + packageName); 14054 } 14055 14056 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 14057 throw new IllegalArgumentException("Calling package " + callerPackageName 14058 + " is not installer for " + packageName); 14059 } 14060 14061 if (ps.categoryHint != categoryHint) { 14062 ps.categoryHint = categoryHint; 14063 scheduleWriteSettingsLocked(); 14064 } 14065 } 14066 } 14067 14068 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 14069 // Queue up an async operation since the package installation may take a little while. 14070 mHandler.post(new Runnable() { 14071 public void run() { 14072 mHandler.removeCallbacks(this); 14073 // Result object to be returned 14074 PackageInstalledInfo res = new PackageInstalledInfo(); 14075 res.setReturnCode(currentStatus); 14076 res.uid = -1; 14077 res.pkg = null; 14078 res.removedInfo = null; 14079 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14080 args.doPreInstall(res.returnCode); 14081 synchronized (mInstallLock) { 14082 installPackageTracedLI(args, res); 14083 } 14084 args.doPostInstall(res.returnCode, res.uid); 14085 } 14086 14087 // A restore should be performed at this point if (a) the install 14088 // succeeded, (b) the operation is not an update, and (c) the new 14089 // package has not opted out of backup participation. 14090 final boolean update = res.removedInfo != null 14091 && res.removedInfo.removedPackage != null; 14092 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 14093 boolean doRestore = !update 14094 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 14095 14096 // Set up the post-install work request bookkeeping. This will be used 14097 // and cleaned up by the post-install event handling regardless of whether 14098 // there's a restore pass performed. Token values are >= 1. 14099 int token; 14100 if (mNextInstallToken < 0) mNextInstallToken = 1; 14101 token = mNextInstallToken++; 14102 14103 PostInstallData data = new PostInstallData(args, res); 14104 mRunningInstalls.put(token, data); 14105 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 14106 14107 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 14108 // Pass responsibility to the Backup Manager. It will perform a 14109 // restore if appropriate, then pass responsibility back to the 14110 // Package Manager to run the post-install observer callbacks 14111 // and broadcasts. 14112 IBackupManager bm = IBackupManager.Stub.asInterface( 14113 ServiceManager.getService(Context.BACKUP_SERVICE)); 14114 if (bm != null) { 14115 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 14116 + " to BM for possible restore"); 14117 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 14118 try { 14119 // TODO: http://b/22388012 14120 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 14121 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 14122 } else { 14123 doRestore = false; 14124 } 14125 } catch (RemoteException e) { 14126 // can't happen; the backup manager is local 14127 } catch (Exception e) { 14128 Slog.e(TAG, "Exception trying to enqueue restore", e); 14129 doRestore = false; 14130 } 14131 } else { 14132 Slog.e(TAG, "Backup Manager not found!"); 14133 doRestore = false; 14134 } 14135 } 14136 14137 if (!doRestore) { 14138 // No restore possible, or the Backup Manager was mysteriously not 14139 // available -- just fire the post-install work request directly. 14140 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 14141 14142 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 14143 14144 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 14145 mHandler.sendMessage(msg); 14146 } 14147 } 14148 }); 14149 } 14150 14151 /** 14152 * Callback from PackageSettings whenever an app is first transitioned out of the 14153 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 14154 * the app was "launched" for a restoreAtInstall operation. Therefore we check 14155 * here whether the app is the target of an ongoing install, and only send the 14156 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 14157 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 14158 * handling. 14159 */ 14160 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 14161 // Serialize this with the rest of the install-process message chain. In the 14162 // restore-at-install case, this Runnable will necessarily run before the 14163 // POST_INSTALL message is processed, so the contents of mRunningInstalls 14164 // are coherent. In the non-restore case, the app has already completed install 14165 // and been launched through some other means, so it is not in a problematic 14166 // state for observers to see the FIRST_LAUNCH signal. 14167 mHandler.post(new Runnable() { 14168 @Override 14169 public void run() { 14170 for (int i = 0; i < mRunningInstalls.size(); i++) { 14171 final PostInstallData data = mRunningInstalls.valueAt(i); 14172 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14173 continue; 14174 } 14175 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 14176 // right package; but is it for the right user? 14177 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 14178 if (userId == data.res.newUsers[uIndex]) { 14179 if (DEBUG_BACKUP) { 14180 Slog.i(TAG, "Package " + pkgName 14181 + " being restored so deferring FIRST_LAUNCH"); 14182 } 14183 return; 14184 } 14185 } 14186 } 14187 } 14188 // didn't find it, so not being restored 14189 if (DEBUG_BACKUP) { 14190 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 14191 } 14192 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 14193 } 14194 }); 14195 } 14196 14197 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 14198 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 14199 installerPkg, null, userIds); 14200 } 14201 14202 private abstract class HandlerParams { 14203 private static final int MAX_RETRIES = 4; 14204 14205 /** 14206 * Number of times startCopy() has been attempted and had a non-fatal 14207 * error. 14208 */ 14209 private int mRetries = 0; 14210 14211 /** User handle for the user requesting the information or installation. */ 14212 private final UserHandle mUser; 14213 String traceMethod; 14214 int traceCookie; 14215 14216 HandlerParams(UserHandle user) { 14217 mUser = user; 14218 } 14219 14220 UserHandle getUser() { 14221 return mUser; 14222 } 14223 14224 HandlerParams setTraceMethod(String traceMethod) { 14225 this.traceMethod = traceMethod; 14226 return this; 14227 } 14228 14229 HandlerParams setTraceCookie(int traceCookie) { 14230 this.traceCookie = traceCookie; 14231 return this; 14232 } 14233 14234 final boolean startCopy() { 14235 boolean res; 14236 try { 14237 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14238 14239 if (++mRetries > MAX_RETRIES) { 14240 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14241 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14242 handleServiceError(); 14243 return false; 14244 } else { 14245 handleStartCopy(); 14246 res = true; 14247 } 14248 } catch (RemoteException e) { 14249 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14250 mHandler.sendEmptyMessage(MCS_RECONNECT); 14251 res = false; 14252 } 14253 handleReturnCode(); 14254 return res; 14255 } 14256 14257 final void serviceError() { 14258 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14259 handleServiceError(); 14260 handleReturnCode(); 14261 } 14262 14263 abstract void handleStartCopy() throws RemoteException; 14264 abstract void handleServiceError(); 14265 abstract void handleReturnCode(); 14266 } 14267 14268 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14269 for (File path : paths) { 14270 try { 14271 mcs.clearDirectory(path.getAbsolutePath()); 14272 } catch (RemoteException e) { 14273 } 14274 } 14275 } 14276 14277 static class OriginInfo { 14278 /** 14279 * Location where install is coming from, before it has been 14280 * copied/renamed into place. This could be a single monolithic APK 14281 * file, or a cluster directory. This location may be untrusted. 14282 */ 14283 final File file; 14284 final String cid; 14285 14286 /** 14287 * Flag indicating that {@link #file} or {@link #cid} has already been 14288 * staged, meaning downstream users don't need to defensively copy the 14289 * contents. 14290 */ 14291 final boolean staged; 14292 14293 /** 14294 * Flag indicating that {@link #file} or {@link #cid} is an already 14295 * installed app that is being moved. 14296 */ 14297 final boolean existing; 14298 14299 final String resolvedPath; 14300 final File resolvedFile; 14301 14302 static OriginInfo fromNothing() { 14303 return new OriginInfo(null, null, false, false); 14304 } 14305 14306 static OriginInfo fromUntrustedFile(File file) { 14307 return new OriginInfo(file, null, false, false); 14308 } 14309 14310 static OriginInfo fromExistingFile(File file) { 14311 return new OriginInfo(file, null, false, true); 14312 } 14313 14314 static OriginInfo fromStagedFile(File file) { 14315 return new OriginInfo(file, null, true, false); 14316 } 14317 14318 static OriginInfo fromStagedContainer(String cid) { 14319 return new OriginInfo(null, cid, true, false); 14320 } 14321 14322 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 14323 this.file = file; 14324 this.cid = cid; 14325 this.staged = staged; 14326 this.existing = existing; 14327 14328 if (cid != null) { 14329 resolvedPath = PackageHelper.getSdDir(cid); 14330 resolvedFile = new File(resolvedPath); 14331 } else if (file != null) { 14332 resolvedPath = file.getAbsolutePath(); 14333 resolvedFile = file; 14334 } else { 14335 resolvedPath = null; 14336 resolvedFile = null; 14337 } 14338 } 14339 } 14340 14341 static class MoveInfo { 14342 final int moveId; 14343 final String fromUuid; 14344 final String toUuid; 14345 final String packageName; 14346 final String dataAppName; 14347 final int appId; 14348 final String seinfo; 14349 final int targetSdkVersion; 14350 14351 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14352 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14353 this.moveId = moveId; 14354 this.fromUuid = fromUuid; 14355 this.toUuid = toUuid; 14356 this.packageName = packageName; 14357 this.dataAppName = dataAppName; 14358 this.appId = appId; 14359 this.seinfo = seinfo; 14360 this.targetSdkVersion = targetSdkVersion; 14361 } 14362 } 14363 14364 static class VerificationInfo { 14365 /** A constant used to indicate that a uid value is not present. */ 14366 public static final int NO_UID = -1; 14367 14368 /** URI referencing where the package was downloaded from. */ 14369 final Uri originatingUri; 14370 14371 /** HTTP referrer URI associated with the originatingURI. */ 14372 final Uri referrer; 14373 14374 /** UID of the application that the install request originated from. */ 14375 final int originatingUid; 14376 14377 /** UID of application requesting the install */ 14378 final int installerUid; 14379 14380 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14381 this.originatingUri = originatingUri; 14382 this.referrer = referrer; 14383 this.originatingUid = originatingUid; 14384 this.installerUid = installerUid; 14385 } 14386 } 14387 14388 class InstallParams extends HandlerParams { 14389 final OriginInfo origin; 14390 final MoveInfo move; 14391 final IPackageInstallObserver2 observer; 14392 int installFlags; 14393 final String installerPackageName; 14394 final String volumeUuid; 14395 private InstallArgs mArgs; 14396 private int mRet; 14397 final String packageAbiOverride; 14398 final String[] grantedRuntimePermissions; 14399 final VerificationInfo verificationInfo; 14400 final Certificate[][] certificates; 14401 final int installReason; 14402 14403 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14404 int installFlags, String installerPackageName, String volumeUuid, 14405 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14406 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 14407 super(user); 14408 this.origin = origin; 14409 this.move = move; 14410 this.observer = observer; 14411 this.installFlags = installFlags; 14412 this.installerPackageName = installerPackageName; 14413 this.volumeUuid = volumeUuid; 14414 this.verificationInfo = verificationInfo; 14415 this.packageAbiOverride = packageAbiOverride; 14416 this.grantedRuntimePermissions = grantedPermissions; 14417 this.certificates = certificates; 14418 this.installReason = installReason; 14419 } 14420 14421 @Override 14422 public String toString() { 14423 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14424 + " file=" + origin.file + " cid=" + origin.cid + "}"; 14425 } 14426 14427 private int installLocationPolicy(PackageInfoLite pkgLite) { 14428 String packageName = pkgLite.packageName; 14429 int installLocation = pkgLite.installLocation; 14430 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14431 // reader 14432 synchronized (mPackages) { 14433 // Currently installed package which the new package is attempting to replace or 14434 // null if no such package is installed. 14435 PackageParser.Package installedPkg = mPackages.get(packageName); 14436 // Package which currently owns the data which the new package will own if installed. 14437 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14438 // will be null whereas dataOwnerPkg will contain information about the package 14439 // which was uninstalled while keeping its data. 14440 PackageParser.Package dataOwnerPkg = installedPkg; 14441 if (dataOwnerPkg == null) { 14442 PackageSetting ps = mSettings.mPackages.get(packageName); 14443 if (ps != null) { 14444 dataOwnerPkg = ps.pkg; 14445 } 14446 } 14447 14448 if (dataOwnerPkg != null) { 14449 // If installed, the package will get access to data left on the device by its 14450 // predecessor. As a security measure, this is permited only if this is not a 14451 // version downgrade or if the predecessor package is marked as debuggable and 14452 // a downgrade is explicitly requested. 14453 // 14454 // On debuggable platform builds, downgrades are permitted even for 14455 // non-debuggable packages to make testing easier. Debuggable platform builds do 14456 // not offer security guarantees and thus it's OK to disable some security 14457 // mechanisms to make debugging/testing easier on those builds. However, even on 14458 // debuggable builds downgrades of packages are permitted only if requested via 14459 // installFlags. This is because we aim to keep the behavior of debuggable 14460 // platform builds as close as possible to the behavior of non-debuggable 14461 // platform builds. 14462 final boolean downgradeRequested = 14463 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14464 final boolean packageDebuggable = 14465 (dataOwnerPkg.applicationInfo.flags 14466 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14467 final boolean downgradePermitted = 14468 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14469 if (!downgradePermitted) { 14470 try { 14471 checkDowngrade(dataOwnerPkg, pkgLite); 14472 } catch (PackageManagerException e) { 14473 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14474 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14475 } 14476 } 14477 } 14478 14479 if (installedPkg != null) { 14480 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14481 // Check for updated system application. 14482 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14483 if (onSd) { 14484 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14485 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14486 } 14487 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14488 } else { 14489 if (onSd) { 14490 // Install flag overrides everything. 14491 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14492 } 14493 // If current upgrade specifies particular preference 14494 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14495 // Application explicitly specified internal. 14496 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14497 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14498 // App explictly prefers external. Let policy decide 14499 } else { 14500 // Prefer previous location 14501 if (isExternal(installedPkg)) { 14502 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14503 } 14504 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14505 } 14506 } 14507 } else { 14508 // Invalid install. Return error code 14509 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14510 } 14511 } 14512 } 14513 // All the special cases have been taken care of. 14514 // Return result based on recommended install location. 14515 if (onSd) { 14516 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14517 } 14518 return pkgLite.recommendedInstallLocation; 14519 } 14520 14521 /* 14522 * Invoke remote method to get package information and install 14523 * location values. Override install location based on default 14524 * policy if needed and then create install arguments based 14525 * on the install location. 14526 */ 14527 public void handleStartCopy() throws RemoteException { 14528 int ret = PackageManager.INSTALL_SUCCEEDED; 14529 14530 // If we're already staged, we've firmly committed to an install location 14531 if (origin.staged) { 14532 if (origin.file != null) { 14533 installFlags |= PackageManager.INSTALL_INTERNAL; 14534 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14535 } else if (origin.cid != null) { 14536 installFlags |= PackageManager.INSTALL_EXTERNAL; 14537 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14538 } else { 14539 throw new IllegalStateException("Invalid stage location"); 14540 } 14541 } 14542 14543 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14544 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14545 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14546 PackageInfoLite pkgLite = null; 14547 14548 if (onInt && onSd) { 14549 // Check if both bits are set. 14550 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14551 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14552 } else if (onSd && ephemeral) { 14553 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14554 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14555 } else { 14556 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14557 packageAbiOverride); 14558 14559 if (DEBUG_EPHEMERAL && ephemeral) { 14560 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14561 } 14562 14563 /* 14564 * If we have too little free space, try to free cache 14565 * before giving up. 14566 */ 14567 if (!origin.staged && pkgLite.recommendedInstallLocation 14568 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14569 // TODO: focus freeing disk space on the target device 14570 final StorageManager storage = StorageManager.from(mContext); 14571 final long lowThreshold = storage.getStorageLowBytes( 14572 Environment.getDataDirectory()); 14573 14574 final long sizeBytes = mContainerService.calculateInstalledSize( 14575 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 14576 14577 try { 14578 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0); 14579 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14580 installFlags, packageAbiOverride); 14581 } catch (InstallerException e) { 14582 Slog.w(TAG, "Failed to free cache", e); 14583 } 14584 14585 /* 14586 * The cache free must have deleted the file we 14587 * downloaded to install. 14588 * 14589 * TODO: fix the "freeCache" call to not delete 14590 * the file we care about. 14591 */ 14592 if (pkgLite.recommendedInstallLocation 14593 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14594 pkgLite.recommendedInstallLocation 14595 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14596 } 14597 } 14598 } 14599 14600 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14601 int loc = pkgLite.recommendedInstallLocation; 14602 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14603 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14604 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14605 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14606 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14607 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14608 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14609 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14610 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14611 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14612 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14613 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14614 } else { 14615 // Override with defaults if needed. 14616 loc = installLocationPolicy(pkgLite); 14617 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14618 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14619 } else if (!onSd && !onInt) { 14620 // Override install location with flags 14621 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14622 // Set the flag to install on external media. 14623 installFlags |= PackageManager.INSTALL_EXTERNAL; 14624 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14625 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14626 if (DEBUG_EPHEMERAL) { 14627 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14628 } 14629 installFlags |= PackageManager.INSTALL_INSTANT_APP; 14630 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14631 |PackageManager.INSTALL_INTERNAL); 14632 } else { 14633 // Make sure the flag for installing on external 14634 // media is unset 14635 installFlags |= PackageManager.INSTALL_INTERNAL; 14636 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14637 } 14638 } 14639 } 14640 } 14641 14642 final InstallArgs args = createInstallArgs(this); 14643 mArgs = args; 14644 14645 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14646 // TODO: http://b/22976637 14647 // Apps installed for "all" users use the device owner to verify the app 14648 UserHandle verifierUser = getUser(); 14649 if (verifierUser == UserHandle.ALL) { 14650 verifierUser = UserHandle.SYSTEM; 14651 } 14652 14653 /* 14654 * Determine if we have any installed package verifiers. If we 14655 * do, then we'll defer to them to verify the packages. 14656 */ 14657 final int requiredUid = mRequiredVerifierPackage == null ? -1 14658 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14659 verifierUser.getIdentifier()); 14660 if (!origin.existing && requiredUid != -1 14661 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 14662 final Intent verification = new Intent( 14663 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14664 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14665 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14666 PACKAGE_MIME_TYPE); 14667 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14668 14669 // Query all live verifiers based on current user state 14670 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14671 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 14672 14673 if (DEBUG_VERIFY) { 14674 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14675 + verification.toString() + " with " + pkgLite.verifiers.length 14676 + " optional verifiers"); 14677 } 14678 14679 final int verificationId = mPendingVerificationToken++; 14680 14681 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14682 14683 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14684 installerPackageName); 14685 14686 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14687 installFlags); 14688 14689 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14690 pkgLite.packageName); 14691 14692 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14693 pkgLite.versionCode); 14694 14695 if (verificationInfo != null) { 14696 if (verificationInfo.originatingUri != null) { 14697 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14698 verificationInfo.originatingUri); 14699 } 14700 if (verificationInfo.referrer != null) { 14701 verification.putExtra(Intent.EXTRA_REFERRER, 14702 verificationInfo.referrer); 14703 } 14704 if (verificationInfo.originatingUid >= 0) { 14705 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14706 verificationInfo.originatingUid); 14707 } 14708 if (verificationInfo.installerUid >= 0) { 14709 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14710 verificationInfo.installerUid); 14711 } 14712 } 14713 14714 final PackageVerificationState verificationState = new PackageVerificationState( 14715 requiredUid, args); 14716 14717 mPendingVerification.append(verificationId, verificationState); 14718 14719 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14720 receivers, verificationState); 14721 14722 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 14723 final long idleDuration = getVerificationTimeout(); 14724 14725 /* 14726 * If any sufficient verifiers were listed in the package 14727 * manifest, attempt to ask them. 14728 */ 14729 if (sufficientVerifiers != null) { 14730 final int N = sufficientVerifiers.size(); 14731 if (N == 0) { 14732 Slog.i(TAG, "Additional verifiers required, but none installed."); 14733 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14734 } else { 14735 for (int i = 0; i < N; i++) { 14736 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14737 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14738 verifierComponent.getPackageName(), idleDuration, 14739 verifierUser.getIdentifier(), false, "package verifier"); 14740 14741 final Intent sufficientIntent = new Intent(verification); 14742 sufficientIntent.setComponent(verifierComponent); 14743 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 14744 } 14745 } 14746 } 14747 14748 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 14749 mRequiredVerifierPackage, receivers); 14750 if (ret == PackageManager.INSTALL_SUCCEEDED 14751 && mRequiredVerifierPackage != null) { 14752 Trace.asyncTraceBegin( 14753 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 14754 /* 14755 * Send the intent to the required verification agent, 14756 * but only start the verification timeout after the 14757 * target BroadcastReceivers have run. 14758 */ 14759 verification.setComponent(requiredVerifierComponent); 14760 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14761 requiredVerifierComponent.getPackageName(), idleDuration, 14762 verifierUser.getIdentifier(), false, "package verifier"); 14763 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 14764 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14765 new BroadcastReceiver() { 14766 @Override 14767 public void onReceive(Context context, Intent intent) { 14768 final Message msg = mHandler 14769 .obtainMessage(CHECK_PENDING_VERIFICATION); 14770 msg.arg1 = verificationId; 14771 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 14772 } 14773 }, null, 0, null, null); 14774 14775 /* 14776 * We don't want the copy to proceed until verification 14777 * succeeds, so null out this field. 14778 */ 14779 mArgs = null; 14780 } 14781 } else { 14782 /* 14783 * No package verification is enabled, so immediately start 14784 * the remote call to initiate copy using temporary file. 14785 */ 14786 ret = args.copyApk(mContainerService, true); 14787 } 14788 } 14789 14790 mRet = ret; 14791 } 14792 14793 @Override 14794 void handleReturnCode() { 14795 // If mArgs is null, then MCS couldn't be reached. When it 14796 // reconnects, it will try again to install. At that point, this 14797 // will succeed. 14798 if (mArgs != null) { 14799 processPendingInstall(mArgs, mRet); 14800 } 14801 } 14802 14803 @Override 14804 void handleServiceError() { 14805 mArgs = createInstallArgs(this); 14806 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14807 } 14808 14809 public boolean isForwardLocked() { 14810 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14811 } 14812 } 14813 14814 /** 14815 * Used during creation of InstallArgs 14816 * 14817 * @param installFlags package installation flags 14818 * @return true if should be installed on external storage 14819 */ 14820 private static boolean installOnExternalAsec(int installFlags) { 14821 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 14822 return false; 14823 } 14824 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 14825 return true; 14826 } 14827 return false; 14828 } 14829 14830 /** 14831 * Used during creation of InstallArgs 14832 * 14833 * @param installFlags package installation flags 14834 * @return true if should be installed as forward locked 14835 */ 14836 private static boolean installForwardLocked(int installFlags) { 14837 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14838 } 14839 14840 private InstallArgs createInstallArgs(InstallParams params) { 14841 if (params.move != null) { 14842 return new MoveInstallArgs(params); 14843 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 14844 return new AsecInstallArgs(params); 14845 } else { 14846 return new FileInstallArgs(params); 14847 } 14848 } 14849 14850 /** 14851 * Create args that describe an existing installed package. Typically used 14852 * when cleaning up old installs, or used as a move source. 14853 */ 14854 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 14855 String resourcePath, String[] instructionSets) { 14856 final boolean isInAsec; 14857 if (installOnExternalAsec(installFlags)) { 14858 /* Apps on SD card are always in ASEC containers. */ 14859 isInAsec = true; 14860 } else if (installForwardLocked(installFlags) 14861 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 14862 /* 14863 * Forward-locked apps are only in ASEC containers if they're the 14864 * new style 14865 */ 14866 isInAsec = true; 14867 } else { 14868 isInAsec = false; 14869 } 14870 14871 if (isInAsec) { 14872 return new AsecInstallArgs(codePath, instructionSets, 14873 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 14874 } else { 14875 return new FileInstallArgs(codePath, resourcePath, instructionSets); 14876 } 14877 } 14878 14879 static abstract class InstallArgs { 14880 /** @see InstallParams#origin */ 14881 final OriginInfo origin; 14882 /** @see InstallParams#move */ 14883 final MoveInfo move; 14884 14885 final IPackageInstallObserver2 observer; 14886 // Always refers to PackageManager flags only 14887 final int installFlags; 14888 final String installerPackageName; 14889 final String volumeUuid; 14890 final UserHandle user; 14891 final String abiOverride; 14892 final String[] installGrantPermissions; 14893 /** If non-null, drop an async trace when the install completes */ 14894 final String traceMethod; 14895 final int traceCookie; 14896 final Certificate[][] certificates; 14897 final int installReason; 14898 14899 // The list of instruction sets supported by this app. This is currently 14900 // only used during the rmdex() phase to clean up resources. We can get rid of this 14901 // if we move dex files under the common app path. 14902 /* nullable */ String[] instructionSets; 14903 14904 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14905 int installFlags, String installerPackageName, String volumeUuid, 14906 UserHandle user, String[] instructionSets, 14907 String abiOverride, String[] installGrantPermissions, 14908 String traceMethod, int traceCookie, Certificate[][] certificates, 14909 int installReason) { 14910 this.origin = origin; 14911 this.move = move; 14912 this.installFlags = installFlags; 14913 this.observer = observer; 14914 this.installerPackageName = installerPackageName; 14915 this.volumeUuid = volumeUuid; 14916 this.user = user; 14917 this.instructionSets = instructionSets; 14918 this.abiOverride = abiOverride; 14919 this.installGrantPermissions = installGrantPermissions; 14920 this.traceMethod = traceMethod; 14921 this.traceCookie = traceCookie; 14922 this.certificates = certificates; 14923 this.installReason = installReason; 14924 } 14925 14926 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 14927 abstract int doPreInstall(int status); 14928 14929 /** 14930 * Rename package into final resting place. All paths on the given 14931 * scanned package should be updated to reflect the rename. 14932 */ 14933 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 14934 abstract int doPostInstall(int status, int uid); 14935 14936 /** @see PackageSettingBase#codePathString */ 14937 abstract String getCodePath(); 14938 /** @see PackageSettingBase#resourcePathString */ 14939 abstract String getResourcePath(); 14940 14941 // Need installer lock especially for dex file removal. 14942 abstract void cleanUpResourcesLI(); 14943 abstract boolean doPostDeleteLI(boolean delete); 14944 14945 /** 14946 * Called before the source arguments are copied. This is used mostly 14947 * for MoveParams when it needs to read the source file to put it in the 14948 * destination. 14949 */ 14950 int doPreCopy() { 14951 return PackageManager.INSTALL_SUCCEEDED; 14952 } 14953 14954 /** 14955 * Called after the source arguments are copied. This is used mostly for 14956 * MoveParams when it needs to read the source file to put it in the 14957 * destination. 14958 */ 14959 int doPostCopy(int uid) { 14960 return PackageManager.INSTALL_SUCCEEDED; 14961 } 14962 14963 protected boolean isFwdLocked() { 14964 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14965 } 14966 14967 protected boolean isExternalAsec() { 14968 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14969 } 14970 14971 protected boolean isEphemeral() { 14972 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14973 } 14974 14975 UserHandle getUser() { 14976 return user; 14977 } 14978 } 14979 14980 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14981 if (!allCodePaths.isEmpty()) { 14982 if (instructionSets == null) { 14983 throw new IllegalStateException("instructionSet == null"); 14984 } 14985 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14986 for (String codePath : allCodePaths) { 14987 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14988 try { 14989 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14990 } catch (InstallerException ignored) { 14991 } 14992 } 14993 } 14994 } 14995 } 14996 14997 /** 14998 * Logic to handle installation of non-ASEC applications, including copying 14999 * and renaming logic. 15000 */ 15001 class FileInstallArgs extends InstallArgs { 15002 private File codeFile; 15003 private File resourceFile; 15004 15005 // Example topology: 15006 // /data/app/com.example/base.apk 15007 // /data/app/com.example/split_foo.apk 15008 // /data/app/com.example/lib/arm/libfoo.so 15009 // /data/app/com.example/lib/arm64/libfoo.so 15010 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 15011 15012 /** New install */ 15013 FileInstallArgs(InstallParams params) { 15014 super(params.origin, params.move, params.observer, params.installFlags, 15015 params.installerPackageName, params.volumeUuid, 15016 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 15017 params.grantedRuntimePermissions, 15018 params.traceMethod, params.traceCookie, params.certificates, 15019 params.installReason); 15020 if (isFwdLocked()) { 15021 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 15022 } 15023 } 15024 15025 /** Existing install */ 15026 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 15027 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 15028 null, null, null, 0, null /*certificates*/, 15029 PackageManager.INSTALL_REASON_UNKNOWN); 15030 this.codeFile = (codePath != null) ? new File(codePath) : null; 15031 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 15032 } 15033 15034 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15035 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 15036 try { 15037 return doCopyApk(imcs, temp); 15038 } finally { 15039 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15040 } 15041 } 15042 15043 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15044 if (origin.staged) { 15045 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 15046 codeFile = origin.file; 15047 resourceFile = origin.file; 15048 return PackageManager.INSTALL_SUCCEEDED; 15049 } 15050 15051 try { 15052 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15053 final File tempDir = 15054 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 15055 codeFile = tempDir; 15056 resourceFile = tempDir; 15057 } catch (IOException e) { 15058 Slog.w(TAG, "Failed to create copy file: " + e); 15059 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 15060 } 15061 15062 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 15063 @Override 15064 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 15065 if (!FileUtils.isValidExtFilename(name)) { 15066 throw new IllegalArgumentException("Invalid filename: " + name); 15067 } 15068 try { 15069 final File file = new File(codeFile, name); 15070 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 15071 O_RDWR | O_CREAT, 0644); 15072 Os.chmod(file.getAbsolutePath(), 0644); 15073 return new ParcelFileDescriptor(fd); 15074 } catch (ErrnoException e) { 15075 throw new RemoteException("Failed to open: " + e.getMessage()); 15076 } 15077 } 15078 }; 15079 15080 int ret = PackageManager.INSTALL_SUCCEEDED; 15081 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 15082 if (ret != PackageManager.INSTALL_SUCCEEDED) { 15083 Slog.e(TAG, "Failed to copy package"); 15084 return ret; 15085 } 15086 15087 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 15088 NativeLibraryHelper.Handle handle = null; 15089 try { 15090 handle = NativeLibraryHelper.Handle.create(codeFile); 15091 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 15092 abiOverride); 15093 } catch (IOException e) { 15094 Slog.e(TAG, "Copying native libraries failed", e); 15095 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15096 } finally { 15097 IoUtils.closeQuietly(handle); 15098 } 15099 15100 return ret; 15101 } 15102 15103 int doPreInstall(int status) { 15104 if (status != PackageManager.INSTALL_SUCCEEDED) { 15105 cleanUp(); 15106 } 15107 return status; 15108 } 15109 15110 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15111 if (status != PackageManager.INSTALL_SUCCEEDED) { 15112 cleanUp(); 15113 return false; 15114 } 15115 15116 final File targetDir = codeFile.getParentFile(); 15117 final File beforeCodeFile = codeFile; 15118 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 15119 15120 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 15121 try { 15122 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 15123 } catch (ErrnoException e) { 15124 Slog.w(TAG, "Failed to rename", e); 15125 return false; 15126 } 15127 15128 if (!SELinux.restoreconRecursive(afterCodeFile)) { 15129 Slog.w(TAG, "Failed to restorecon"); 15130 return false; 15131 } 15132 15133 // Reflect the rename internally 15134 codeFile = afterCodeFile; 15135 resourceFile = afterCodeFile; 15136 15137 // Reflect the rename in scanned details 15138 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15139 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15140 afterCodeFile, pkg.baseCodePath)); 15141 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15142 afterCodeFile, pkg.splitCodePaths)); 15143 15144 // Reflect the rename in app info 15145 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15146 pkg.setApplicationInfoCodePath(pkg.codePath); 15147 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15148 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15149 pkg.setApplicationInfoResourcePath(pkg.codePath); 15150 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15151 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15152 15153 return true; 15154 } 15155 15156 int doPostInstall(int status, int uid) { 15157 if (status != PackageManager.INSTALL_SUCCEEDED) { 15158 cleanUp(); 15159 } 15160 return status; 15161 } 15162 15163 @Override 15164 String getCodePath() { 15165 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15166 } 15167 15168 @Override 15169 String getResourcePath() { 15170 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15171 } 15172 15173 private boolean cleanUp() { 15174 if (codeFile == null || !codeFile.exists()) { 15175 return false; 15176 } 15177 15178 removeCodePathLI(codeFile); 15179 15180 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15181 resourceFile.delete(); 15182 } 15183 15184 return true; 15185 } 15186 15187 void cleanUpResourcesLI() { 15188 // Try enumerating all code paths before deleting 15189 List<String> allCodePaths = Collections.EMPTY_LIST; 15190 if (codeFile != null && codeFile.exists()) { 15191 try { 15192 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15193 allCodePaths = pkg.getAllCodePaths(); 15194 } catch (PackageParserException e) { 15195 // Ignored; we tried our best 15196 } 15197 } 15198 15199 cleanUp(); 15200 removeDexFiles(allCodePaths, instructionSets); 15201 } 15202 15203 boolean doPostDeleteLI(boolean delete) { 15204 // XXX err, shouldn't we respect the delete flag? 15205 cleanUpResourcesLI(); 15206 return true; 15207 } 15208 } 15209 15210 private boolean isAsecExternal(String cid) { 15211 final String asecPath = PackageHelper.getSdFilesystem(cid); 15212 return !asecPath.startsWith(mAsecInternalPath); 15213 } 15214 15215 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15216 PackageManagerException { 15217 if (copyRet < 0) { 15218 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15219 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15220 throw new PackageManagerException(copyRet, message); 15221 } 15222 } 15223 } 15224 15225 /** 15226 * Extract the StorageManagerService "container ID" from the full code path of an 15227 * .apk. 15228 */ 15229 static String cidFromCodePath(String fullCodePath) { 15230 int eidx = fullCodePath.lastIndexOf("/"); 15231 String subStr1 = fullCodePath.substring(0, eidx); 15232 int sidx = subStr1.lastIndexOf("/"); 15233 return subStr1.substring(sidx+1, eidx); 15234 } 15235 15236 /** 15237 * Logic to handle installation of ASEC applications, including copying and 15238 * renaming logic. 15239 */ 15240 class AsecInstallArgs extends InstallArgs { 15241 static final String RES_FILE_NAME = "pkg.apk"; 15242 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 15243 15244 String cid; 15245 String packagePath; 15246 String resourcePath; 15247 15248 /** New install */ 15249 AsecInstallArgs(InstallParams params) { 15250 super(params.origin, params.move, params.observer, params.installFlags, 15251 params.installerPackageName, params.volumeUuid, 15252 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15253 params.grantedRuntimePermissions, 15254 params.traceMethod, params.traceCookie, params.certificates, 15255 params.installReason); 15256 } 15257 15258 /** Existing install */ 15259 AsecInstallArgs(String fullCodePath, String[] instructionSets, 15260 boolean isExternal, boolean isForwardLocked) { 15261 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 15262 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15263 instructionSets, null, null, null, 0, null /*certificates*/, 15264 PackageManager.INSTALL_REASON_UNKNOWN); 15265 // Hackily pretend we're still looking at a full code path 15266 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 15267 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 15268 } 15269 15270 // Extract cid from fullCodePath 15271 int eidx = fullCodePath.lastIndexOf("/"); 15272 String subStr1 = fullCodePath.substring(0, eidx); 15273 int sidx = subStr1.lastIndexOf("/"); 15274 cid = subStr1.substring(sidx+1, eidx); 15275 setMountPath(subStr1); 15276 } 15277 15278 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 15279 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 15280 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15281 instructionSets, null, null, null, 0, null /*certificates*/, 15282 PackageManager.INSTALL_REASON_UNKNOWN); 15283 this.cid = cid; 15284 setMountPath(PackageHelper.getSdDir(cid)); 15285 } 15286 15287 void createCopyFile() { 15288 cid = mInstallerService.allocateExternalStageCidLegacy(); 15289 } 15290 15291 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15292 if (origin.staged && origin.cid != null) { 15293 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 15294 cid = origin.cid; 15295 setMountPath(PackageHelper.getSdDir(cid)); 15296 return PackageManager.INSTALL_SUCCEEDED; 15297 } 15298 15299 if (temp) { 15300 createCopyFile(); 15301 } else { 15302 /* 15303 * Pre-emptively destroy the container since it's destroyed if 15304 * copying fails due to it existing anyway. 15305 */ 15306 PackageHelper.destroySdDir(cid); 15307 } 15308 15309 final String newMountPath = imcs.copyPackageToContainer( 15310 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 15311 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 15312 15313 if (newMountPath != null) { 15314 setMountPath(newMountPath); 15315 return PackageManager.INSTALL_SUCCEEDED; 15316 } else { 15317 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15318 } 15319 } 15320 15321 @Override 15322 String getCodePath() { 15323 return packagePath; 15324 } 15325 15326 @Override 15327 String getResourcePath() { 15328 return resourcePath; 15329 } 15330 15331 int doPreInstall(int status) { 15332 if (status != PackageManager.INSTALL_SUCCEEDED) { 15333 // Destroy container 15334 PackageHelper.destroySdDir(cid); 15335 } else { 15336 boolean mounted = PackageHelper.isContainerMounted(cid); 15337 if (!mounted) { 15338 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 15339 Process.SYSTEM_UID); 15340 if (newMountPath != null) { 15341 setMountPath(newMountPath); 15342 } else { 15343 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15344 } 15345 } 15346 } 15347 return status; 15348 } 15349 15350 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15351 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 15352 String newMountPath = null; 15353 if (PackageHelper.isContainerMounted(cid)) { 15354 // Unmount the container 15355 if (!PackageHelper.unMountSdDir(cid)) { 15356 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 15357 return false; 15358 } 15359 } 15360 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15361 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 15362 " which might be stale. Will try to clean up."); 15363 // Clean up the stale container and proceed to recreate. 15364 if (!PackageHelper.destroySdDir(newCacheId)) { 15365 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 15366 return false; 15367 } 15368 // Successfully cleaned up stale container. Try to rename again. 15369 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15370 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 15371 + " inspite of cleaning it up."); 15372 return false; 15373 } 15374 } 15375 if (!PackageHelper.isContainerMounted(newCacheId)) { 15376 Slog.w(TAG, "Mounting container " + newCacheId); 15377 newMountPath = PackageHelper.mountSdDir(newCacheId, 15378 getEncryptKey(), Process.SYSTEM_UID); 15379 } else { 15380 newMountPath = PackageHelper.getSdDir(newCacheId); 15381 } 15382 if (newMountPath == null) { 15383 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 15384 return false; 15385 } 15386 Log.i(TAG, "Succesfully renamed " + cid + 15387 " to " + newCacheId + 15388 " at new path: " + newMountPath); 15389 cid = newCacheId; 15390 15391 final File beforeCodeFile = new File(packagePath); 15392 setMountPath(newMountPath); 15393 final File afterCodeFile = new File(packagePath); 15394 15395 // Reflect the rename in scanned details 15396 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15397 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15398 afterCodeFile, pkg.baseCodePath)); 15399 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15400 afterCodeFile, pkg.splitCodePaths)); 15401 15402 // Reflect the rename in app info 15403 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15404 pkg.setApplicationInfoCodePath(pkg.codePath); 15405 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15406 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15407 pkg.setApplicationInfoResourcePath(pkg.codePath); 15408 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15409 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15410 15411 return true; 15412 } 15413 15414 private void setMountPath(String mountPath) { 15415 final File mountFile = new File(mountPath); 15416 15417 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 15418 if (monolithicFile.exists()) { 15419 packagePath = monolithicFile.getAbsolutePath(); 15420 if (isFwdLocked()) { 15421 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 15422 } else { 15423 resourcePath = packagePath; 15424 } 15425 } else { 15426 packagePath = mountFile.getAbsolutePath(); 15427 resourcePath = packagePath; 15428 } 15429 } 15430 15431 int doPostInstall(int status, int uid) { 15432 if (status != PackageManager.INSTALL_SUCCEEDED) { 15433 cleanUp(); 15434 } else { 15435 final int groupOwner; 15436 final String protectedFile; 15437 if (isFwdLocked()) { 15438 groupOwner = UserHandle.getSharedAppGid(uid); 15439 protectedFile = RES_FILE_NAME; 15440 } else { 15441 groupOwner = -1; 15442 protectedFile = null; 15443 } 15444 15445 if (uid < Process.FIRST_APPLICATION_UID 15446 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 15447 Slog.e(TAG, "Failed to finalize " + cid); 15448 PackageHelper.destroySdDir(cid); 15449 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15450 } 15451 15452 boolean mounted = PackageHelper.isContainerMounted(cid); 15453 if (!mounted) { 15454 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 15455 } 15456 } 15457 return status; 15458 } 15459 15460 private void cleanUp() { 15461 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 15462 15463 // Destroy secure container 15464 PackageHelper.destroySdDir(cid); 15465 } 15466 15467 private List<String> getAllCodePaths() { 15468 final File codeFile = new File(getCodePath()); 15469 if (codeFile != null && codeFile.exists()) { 15470 try { 15471 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15472 return pkg.getAllCodePaths(); 15473 } catch (PackageParserException e) { 15474 // Ignored; we tried our best 15475 } 15476 } 15477 return Collections.EMPTY_LIST; 15478 } 15479 15480 void cleanUpResourcesLI() { 15481 // Enumerate all code paths before deleting 15482 cleanUpResourcesLI(getAllCodePaths()); 15483 } 15484 15485 private void cleanUpResourcesLI(List<String> allCodePaths) { 15486 cleanUp(); 15487 removeDexFiles(allCodePaths, instructionSets); 15488 } 15489 15490 String getPackageName() { 15491 return getAsecPackageName(cid); 15492 } 15493 15494 boolean doPostDeleteLI(boolean delete) { 15495 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 15496 final List<String> allCodePaths = getAllCodePaths(); 15497 boolean mounted = PackageHelper.isContainerMounted(cid); 15498 if (mounted) { 15499 // Unmount first 15500 if (PackageHelper.unMountSdDir(cid)) { 15501 mounted = false; 15502 } 15503 } 15504 if (!mounted && delete) { 15505 cleanUpResourcesLI(allCodePaths); 15506 } 15507 return !mounted; 15508 } 15509 15510 @Override 15511 int doPreCopy() { 15512 if (isFwdLocked()) { 15513 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 15514 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 15515 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15516 } 15517 } 15518 15519 return PackageManager.INSTALL_SUCCEEDED; 15520 } 15521 15522 @Override 15523 int doPostCopy(int uid) { 15524 if (isFwdLocked()) { 15525 if (uid < Process.FIRST_APPLICATION_UID 15526 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 15527 RES_FILE_NAME)) { 15528 Slog.e(TAG, "Failed to finalize " + cid); 15529 PackageHelper.destroySdDir(cid); 15530 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15531 } 15532 } 15533 15534 return PackageManager.INSTALL_SUCCEEDED; 15535 } 15536 } 15537 15538 /** 15539 * Logic to handle movement of existing installed applications. 15540 */ 15541 class MoveInstallArgs extends InstallArgs { 15542 private File codeFile; 15543 private File resourceFile; 15544 15545 /** New install */ 15546 MoveInstallArgs(InstallParams params) { 15547 super(params.origin, params.move, params.observer, params.installFlags, 15548 params.installerPackageName, params.volumeUuid, 15549 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15550 params.grantedRuntimePermissions, 15551 params.traceMethod, params.traceCookie, params.certificates, 15552 params.installReason); 15553 } 15554 15555 int copyApk(IMediaContainerService imcs, boolean temp) { 15556 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15557 + move.fromUuid + " to " + move.toUuid); 15558 synchronized (mInstaller) { 15559 try { 15560 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15561 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15562 } catch (InstallerException e) { 15563 Slog.w(TAG, "Failed to move app", e); 15564 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15565 } 15566 } 15567 15568 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15569 resourceFile = codeFile; 15570 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15571 15572 return PackageManager.INSTALL_SUCCEEDED; 15573 } 15574 15575 int doPreInstall(int status) { 15576 if (status != PackageManager.INSTALL_SUCCEEDED) { 15577 cleanUp(move.toUuid); 15578 } 15579 return status; 15580 } 15581 15582 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15583 if (status != PackageManager.INSTALL_SUCCEEDED) { 15584 cleanUp(move.toUuid); 15585 return false; 15586 } 15587 15588 // Reflect the move in app info 15589 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15590 pkg.setApplicationInfoCodePath(pkg.codePath); 15591 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15592 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15593 pkg.setApplicationInfoResourcePath(pkg.codePath); 15594 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15595 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15596 15597 return true; 15598 } 15599 15600 int doPostInstall(int status, int uid) { 15601 if (status == PackageManager.INSTALL_SUCCEEDED) { 15602 cleanUp(move.fromUuid); 15603 } else { 15604 cleanUp(move.toUuid); 15605 } 15606 return status; 15607 } 15608 15609 @Override 15610 String getCodePath() { 15611 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15612 } 15613 15614 @Override 15615 String getResourcePath() { 15616 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15617 } 15618 15619 private boolean cleanUp(String volumeUuid) { 15620 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15621 move.dataAppName); 15622 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15623 final int[] userIds = sUserManager.getUserIds(); 15624 synchronized (mInstallLock) { 15625 // Clean up both app data and code 15626 // All package moves are frozen until finished 15627 for (int userId : userIds) { 15628 try { 15629 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15630 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15631 } catch (InstallerException e) { 15632 Slog.w(TAG, String.valueOf(e)); 15633 } 15634 } 15635 removeCodePathLI(codeFile); 15636 } 15637 return true; 15638 } 15639 15640 void cleanUpResourcesLI() { 15641 throw new UnsupportedOperationException(); 15642 } 15643 15644 boolean doPostDeleteLI(boolean delete) { 15645 throw new UnsupportedOperationException(); 15646 } 15647 } 15648 15649 static String getAsecPackageName(String packageCid) { 15650 int idx = packageCid.lastIndexOf("-"); 15651 if (idx == -1) { 15652 return packageCid; 15653 } 15654 return packageCid.substring(0, idx); 15655 } 15656 15657 // Utility method used to create code paths based on package name and available index. 15658 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15659 String idxStr = ""; 15660 int idx = 1; 15661 // Fall back to default value of idx=1 if prefix is not 15662 // part of oldCodePath 15663 if (oldCodePath != null) { 15664 String subStr = oldCodePath; 15665 // Drop the suffix right away 15666 if (suffix != null && subStr.endsWith(suffix)) { 15667 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15668 } 15669 // If oldCodePath already contains prefix find out the 15670 // ending index to either increment or decrement. 15671 int sidx = subStr.lastIndexOf(prefix); 15672 if (sidx != -1) { 15673 subStr = subStr.substring(sidx + prefix.length()); 15674 if (subStr != null) { 15675 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15676 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15677 } 15678 try { 15679 idx = Integer.parseInt(subStr); 15680 if (idx <= 1) { 15681 idx++; 15682 } else { 15683 idx--; 15684 } 15685 } catch(NumberFormatException e) { 15686 } 15687 } 15688 } 15689 } 15690 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15691 return prefix + idxStr; 15692 } 15693 15694 private File getNextCodePath(File targetDir, String packageName) { 15695 File result; 15696 SecureRandom random = new SecureRandom(); 15697 byte[] bytes = new byte[16]; 15698 do { 15699 random.nextBytes(bytes); 15700 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15701 result = new File(targetDir, packageName + "-" + suffix); 15702 } while (result.exists()); 15703 return result; 15704 } 15705 15706 // Utility method that returns the relative package path with respect 15707 // to the installation directory. Like say for /data/data/com.test-1.apk 15708 // string com.test-1 is returned. 15709 static String deriveCodePathName(String codePath) { 15710 if (codePath == null) { 15711 return null; 15712 } 15713 final File codeFile = new File(codePath); 15714 final String name = codeFile.getName(); 15715 if (codeFile.isDirectory()) { 15716 return name; 15717 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15718 final int lastDot = name.lastIndexOf('.'); 15719 return name.substring(0, lastDot); 15720 } else { 15721 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15722 return null; 15723 } 15724 } 15725 15726 static class PackageInstalledInfo { 15727 String name; 15728 int uid; 15729 // The set of users that originally had this package installed. 15730 int[] origUsers; 15731 // The set of users that now have this package installed. 15732 int[] newUsers; 15733 PackageParser.Package pkg; 15734 int returnCode; 15735 String returnMsg; 15736 PackageRemovedInfo removedInfo; 15737 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15738 15739 public void setError(int code, String msg) { 15740 setReturnCode(code); 15741 setReturnMessage(msg); 15742 Slog.w(TAG, msg); 15743 } 15744 15745 public void setError(String msg, PackageParserException e) { 15746 setReturnCode(e.error); 15747 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15748 Slog.w(TAG, msg, e); 15749 } 15750 15751 public void setError(String msg, PackageManagerException e) { 15752 returnCode = e.error; 15753 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15754 Slog.w(TAG, msg, e); 15755 } 15756 15757 public void setReturnCode(int returnCode) { 15758 this.returnCode = returnCode; 15759 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15760 for (int i = 0; i < childCount; i++) { 15761 addedChildPackages.valueAt(i).returnCode = returnCode; 15762 } 15763 } 15764 15765 private void setReturnMessage(String returnMsg) { 15766 this.returnMsg = returnMsg; 15767 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15768 for (int i = 0; i < childCount; i++) { 15769 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15770 } 15771 } 15772 15773 // In some error cases we want to convey more info back to the observer 15774 String origPackage; 15775 String origPermission; 15776 } 15777 15778 /* 15779 * Install a non-existing package. 15780 */ 15781 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 15782 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 15783 PackageInstalledInfo res, int installReason) { 15784 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15785 15786 // Remember this for later, in case we need to rollback this install 15787 String pkgName = pkg.packageName; 15788 15789 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15790 15791 synchronized(mPackages) { 15792 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15793 if (renamedPackage != null) { 15794 // A package with the same name is already installed, though 15795 // it has been renamed to an older name. The package we 15796 // are trying to install should be installed as an update to 15797 // the existing one, but that has not been requested, so bail. 15798 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15799 + " without first uninstalling package running as " 15800 + renamedPackage); 15801 return; 15802 } 15803 if (mPackages.containsKey(pkgName)) { 15804 // Don't allow installation over an existing package with the same name. 15805 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15806 + " without first uninstalling."); 15807 return; 15808 } 15809 } 15810 15811 try { 15812 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 15813 System.currentTimeMillis(), user); 15814 15815 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15816 15817 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15818 prepareAppDataAfterInstallLIF(newPackage); 15819 15820 } else { 15821 // Remove package from internal structures, but keep around any 15822 // data that might have already existed 15823 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15824 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15825 } 15826 } catch (PackageManagerException e) { 15827 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15828 } 15829 15830 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15831 } 15832 15833 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 15834 // Can't rotate keys during boot or if sharedUser. 15835 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 15836 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 15837 return false; 15838 } 15839 // app is using upgradeKeySets; make sure all are valid 15840 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15841 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 15842 for (int i = 0; i < upgradeKeySets.length; i++) { 15843 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 15844 Slog.wtf(TAG, "Package " 15845 + (oldPs.name != null ? oldPs.name : "<null>") 15846 + " contains upgrade-key-set reference to unknown key-set: " 15847 + upgradeKeySets[i] 15848 + " reverting to signatures check."); 15849 return false; 15850 } 15851 } 15852 return true; 15853 } 15854 15855 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 15856 // Upgrade keysets are being used. Determine if new package has a superset of the 15857 // required keys. 15858 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 15859 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15860 for (int i = 0; i < upgradeKeySets.length; i++) { 15861 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 15862 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 15863 return true; 15864 } 15865 } 15866 return false; 15867 } 15868 15869 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15870 try (DigestInputStream digestStream = 15871 new DigestInputStream(new FileInputStream(file), digest)) { 15872 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15873 } 15874 } 15875 15876 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 15877 UserHandle user, String installerPackageName, PackageInstalledInfo res, 15878 int installReason) { 15879 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 15880 15881 final PackageParser.Package oldPackage; 15882 final String pkgName = pkg.packageName; 15883 final int[] allUsers; 15884 final int[] installedUsers; 15885 15886 synchronized(mPackages) { 15887 oldPackage = mPackages.get(pkgName); 15888 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15889 15890 // don't allow upgrade to target a release SDK from a pre-release SDK 15891 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15892 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15893 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15894 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15895 if (oldTargetsPreRelease 15896 && !newTargetsPreRelease 15897 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15898 Slog.w(TAG, "Can't install package targeting released sdk"); 15899 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15900 return; 15901 } 15902 15903 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15904 15905 // don't allow an upgrade from full to ephemeral 15906 if (isInstantApp && !ps.getInstantApp(user.getIdentifier())) { 15907 // can't downgrade from full to instant 15908 Slog.w(TAG, "Can't replace app with instant app: " + pkgName); 15909 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15910 return; 15911 } 15912 15913 // verify signatures are valid 15914 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15915 if (!checkUpgradeKeySetLP(ps, pkg)) { 15916 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15917 "New package not signed by keys specified by upgrade-keysets: " 15918 + pkgName); 15919 return; 15920 } 15921 } else { 15922 // default to original signature matching 15923 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 15924 != PackageManager.SIGNATURE_MATCH) { 15925 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15926 "New package has a different signature: " + pkgName); 15927 return; 15928 } 15929 } 15930 15931 // don't allow a system upgrade unless the upgrade hash matches 15932 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 15933 byte[] digestBytes = null; 15934 try { 15935 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15936 updateDigest(digest, new File(pkg.baseCodePath)); 15937 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15938 for (String path : pkg.splitCodePaths) { 15939 updateDigest(digest, new File(path)); 15940 } 15941 } 15942 digestBytes = digest.digest(); 15943 } catch (NoSuchAlgorithmException | IOException e) { 15944 res.setError(INSTALL_FAILED_INVALID_APK, 15945 "Could not compute hash: " + pkgName); 15946 return; 15947 } 15948 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15949 res.setError(INSTALL_FAILED_INVALID_APK, 15950 "New package fails restrict-update check: " + pkgName); 15951 return; 15952 } 15953 // retain upgrade restriction 15954 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15955 } 15956 15957 // Check for shared user id changes 15958 String invalidPackageName = 15959 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15960 if (invalidPackageName != null) { 15961 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15962 "Package " + invalidPackageName + " tried to change user " 15963 + oldPackage.mSharedUserId); 15964 return; 15965 } 15966 15967 // In case of rollback, remember per-user/profile install state 15968 allUsers = sUserManager.getUserIds(); 15969 installedUsers = ps.queryInstalledUsers(allUsers, true); 15970 } 15971 15972 // Update what is removed 15973 res.removedInfo = new PackageRemovedInfo(); 15974 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15975 res.removedInfo.removedPackage = oldPackage.packageName; 15976 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 15977 res.removedInfo.isUpdate = true; 15978 res.removedInfo.origUsers = installedUsers; 15979 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 15980 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15981 for (int i = 0; i < installedUsers.length; i++) { 15982 final int userId = installedUsers[i]; 15983 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15984 } 15985 15986 final int childCount = (oldPackage.childPackages != null) 15987 ? oldPackage.childPackages.size() : 0; 15988 for (int i = 0; i < childCount; i++) { 15989 boolean childPackageUpdated = false; 15990 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15991 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15992 if (res.addedChildPackages != null) { 15993 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15994 if (childRes != null) { 15995 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15996 childRes.removedInfo.removedPackage = childPkg.packageName; 15997 childRes.removedInfo.isUpdate = true; 15998 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15999 childPackageUpdated = true; 16000 } 16001 } 16002 if (!childPackageUpdated) { 16003 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 16004 childRemovedRes.removedPackage = childPkg.packageName; 16005 childRemovedRes.isUpdate = false; 16006 childRemovedRes.dataRemoved = true; 16007 synchronized (mPackages) { 16008 if (childPs != null) { 16009 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 16010 } 16011 } 16012 if (res.removedInfo.removedChildPackages == null) { 16013 res.removedInfo.removedChildPackages = new ArrayMap<>(); 16014 } 16015 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 16016 } 16017 } 16018 16019 boolean sysPkg = (isSystemApp(oldPackage)); 16020 if (sysPkg) { 16021 // Set the system/privileged flags as needed 16022 final boolean privileged = 16023 (oldPackage.applicationInfo.privateFlags 16024 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 16025 final int systemPolicyFlags = policyFlags 16026 | PackageParser.PARSE_IS_SYSTEM 16027 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 16028 16029 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 16030 user, allUsers, installerPackageName, res, installReason); 16031 } else { 16032 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 16033 user, allUsers, installerPackageName, res, installReason); 16034 } 16035 } 16036 16037 public List<String> getPreviousCodePaths(String packageName) { 16038 final PackageSetting ps = mSettings.mPackages.get(packageName); 16039 final List<String> result = new ArrayList<String>(); 16040 if (ps != null && ps.oldCodePaths != null) { 16041 result.addAll(ps.oldCodePaths); 16042 } 16043 return result; 16044 } 16045 16046 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 16047 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16048 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16049 int installReason) { 16050 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 16051 + deletedPackage); 16052 16053 String pkgName = deletedPackage.packageName; 16054 boolean deletedPkg = true; 16055 boolean addedPkg = false; 16056 boolean updatedSettings = false; 16057 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 16058 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 16059 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 16060 16061 final long origUpdateTime = (pkg.mExtras != null) 16062 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 16063 16064 // First delete the existing package while retaining the data directory 16065 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16066 res.removedInfo, true, pkg)) { 16067 // If the existing package wasn't successfully deleted 16068 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 16069 deletedPkg = false; 16070 } else { 16071 // Successfully deleted the old package; proceed with replace. 16072 16073 // If deleted package lived in a container, give users a chance to 16074 // relinquish resources before killing. 16075 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 16076 if (DEBUG_INSTALL) { 16077 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 16078 } 16079 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 16080 final ArrayList<String> pkgList = new ArrayList<String>(1); 16081 pkgList.add(deletedPackage.applicationInfo.packageName); 16082 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 16083 } 16084 16085 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16086 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16087 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16088 16089 try { 16090 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 16091 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 16092 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16093 installReason); 16094 16095 // Update the in-memory copy of the previous code paths. 16096 PackageSetting ps = mSettings.mPackages.get(pkgName); 16097 if (!killApp) { 16098 if (ps.oldCodePaths == null) { 16099 ps.oldCodePaths = new ArraySet<>(); 16100 } 16101 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 16102 if (deletedPackage.splitCodePaths != null) { 16103 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 16104 } 16105 } else { 16106 ps.oldCodePaths = null; 16107 } 16108 if (ps.childPackageNames != null) { 16109 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 16110 final String childPkgName = ps.childPackageNames.get(i); 16111 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 16112 childPs.oldCodePaths = ps.oldCodePaths; 16113 } 16114 } 16115 // set instant app status, but, only if it's explicitly specified 16116 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16117 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 16118 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 16119 prepareAppDataAfterInstallLIF(newPackage); 16120 addedPkg = true; 16121 } catch (PackageManagerException e) { 16122 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16123 } 16124 } 16125 16126 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16127 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 16128 16129 // Revert all internal state mutations and added folders for the failed install 16130 if (addedPkg) { 16131 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16132 res.removedInfo, true, null); 16133 } 16134 16135 // Restore the old package 16136 if (deletedPkg) { 16137 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 16138 File restoreFile = new File(deletedPackage.codePath); 16139 // Parse old package 16140 boolean oldExternal = isExternal(deletedPackage); 16141 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16142 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16143 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16144 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16145 try { 16146 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16147 null); 16148 } catch (PackageManagerException e) { 16149 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16150 + e.getMessage()); 16151 return; 16152 } 16153 16154 synchronized (mPackages) { 16155 // Ensure the installer package name up to date 16156 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16157 16158 // Update permissions for restored package 16159 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16160 16161 mSettings.writeLPr(); 16162 } 16163 16164 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16165 } 16166 } else { 16167 synchronized (mPackages) { 16168 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16169 if (ps != null) { 16170 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16171 if (res.removedInfo.removedChildPackages != null) { 16172 final int childCount = res.removedInfo.removedChildPackages.size(); 16173 // Iterate in reverse as we may modify the collection 16174 for (int i = childCount - 1; i >= 0; i--) { 16175 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16176 if (res.addedChildPackages.containsKey(childPackageName)) { 16177 res.removedInfo.removedChildPackages.removeAt(i); 16178 } else { 16179 PackageRemovedInfo childInfo = res.removedInfo 16180 .removedChildPackages.valueAt(i); 16181 childInfo.removedForAllUsers = mPackages.get( 16182 childInfo.removedPackage) == null; 16183 } 16184 } 16185 } 16186 } 16187 } 16188 } 16189 } 16190 16191 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16192 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16193 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16194 int installReason) { 16195 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16196 + ", old=" + deletedPackage); 16197 16198 final boolean disabledSystem; 16199 16200 // Remove existing system package 16201 removePackageLI(deletedPackage, true); 16202 16203 synchronized (mPackages) { 16204 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16205 } 16206 if (!disabledSystem) { 16207 // We didn't need to disable the .apk as a current system package, 16208 // which means we are replacing another update that is already 16209 // installed. We need to make sure to delete the older one's .apk. 16210 res.removedInfo.args = createInstallArgsForExisting(0, 16211 deletedPackage.applicationInfo.getCodePath(), 16212 deletedPackage.applicationInfo.getResourcePath(), 16213 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16214 } else { 16215 res.removedInfo.args = null; 16216 } 16217 16218 // Successfully disabled the old package. Now proceed with re-installation 16219 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16220 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16221 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16222 16223 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16224 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16225 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16226 16227 PackageParser.Package newPackage = null; 16228 try { 16229 // Add the package to the internal data structures 16230 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 16231 16232 // Set the update and install times 16233 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16234 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16235 System.currentTimeMillis()); 16236 16237 // Update the package dynamic state if succeeded 16238 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16239 // Now that the install succeeded make sure we remove data 16240 // directories for any child package the update removed. 16241 final int deletedChildCount = (deletedPackage.childPackages != null) 16242 ? deletedPackage.childPackages.size() : 0; 16243 final int newChildCount = (newPackage.childPackages != null) 16244 ? newPackage.childPackages.size() : 0; 16245 for (int i = 0; i < deletedChildCount; i++) { 16246 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16247 boolean childPackageDeleted = true; 16248 for (int j = 0; j < newChildCount; j++) { 16249 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16250 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16251 childPackageDeleted = false; 16252 break; 16253 } 16254 } 16255 if (childPackageDeleted) { 16256 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16257 deletedChildPkg.packageName); 16258 if (ps != null && res.removedInfo.removedChildPackages != null) { 16259 PackageRemovedInfo removedChildRes = res.removedInfo 16260 .removedChildPackages.get(deletedChildPkg.packageName); 16261 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16262 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16263 } 16264 } 16265 } 16266 16267 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16268 installReason); 16269 prepareAppDataAfterInstallLIF(newPackage); 16270 } 16271 } catch (PackageManagerException e) { 16272 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16273 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16274 } 16275 16276 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16277 // Re installation failed. Restore old information 16278 // Remove new pkg information 16279 if (newPackage != null) { 16280 removeInstalledPackageLI(newPackage, true); 16281 } 16282 // Add back the old system package 16283 try { 16284 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16285 } catch (PackageManagerException e) { 16286 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16287 } 16288 16289 synchronized (mPackages) { 16290 if (disabledSystem) { 16291 enableSystemPackageLPw(deletedPackage); 16292 } 16293 16294 // Ensure the installer package name up to date 16295 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16296 16297 // Update permissions for restored package 16298 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16299 16300 mSettings.writeLPr(); 16301 } 16302 16303 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16304 + " after failed upgrade"); 16305 } 16306 } 16307 16308 /** 16309 * Checks whether the parent or any of the child packages have a change shared 16310 * user. For a package to be a valid update the shred users of the parent and 16311 * the children should match. We may later support changing child shared users. 16312 * @param oldPkg The updated package. 16313 * @param newPkg The update package. 16314 * @return The shared user that change between the versions. 16315 */ 16316 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16317 PackageParser.Package newPkg) { 16318 // Check parent shared user 16319 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16320 return newPkg.packageName; 16321 } 16322 // Check child shared users 16323 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16324 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16325 for (int i = 0; i < newChildCount; i++) { 16326 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16327 // If this child was present, did it have the same shared user? 16328 for (int j = 0; j < oldChildCount; j++) { 16329 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16330 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16331 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16332 return newChildPkg.packageName; 16333 } 16334 } 16335 } 16336 return null; 16337 } 16338 16339 private void removeNativeBinariesLI(PackageSetting ps) { 16340 // Remove the lib path for the parent package 16341 if (ps != null) { 16342 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16343 // Remove the lib path for the child packages 16344 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16345 for (int i = 0; i < childCount; i++) { 16346 PackageSetting childPs = null; 16347 synchronized (mPackages) { 16348 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16349 } 16350 if (childPs != null) { 16351 NativeLibraryHelper.removeNativeBinariesLI(childPs 16352 .legacyNativeLibraryPathString); 16353 } 16354 } 16355 } 16356 } 16357 16358 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16359 // Enable the parent package 16360 mSettings.enableSystemPackageLPw(pkg.packageName); 16361 // Enable the child packages 16362 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16363 for (int i = 0; i < childCount; i++) { 16364 PackageParser.Package childPkg = pkg.childPackages.get(i); 16365 mSettings.enableSystemPackageLPw(childPkg.packageName); 16366 } 16367 } 16368 16369 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16370 PackageParser.Package newPkg) { 16371 // Disable the parent package (parent always replaced) 16372 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16373 // Disable the child packages 16374 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16375 for (int i = 0; i < childCount; i++) { 16376 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16377 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16378 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16379 } 16380 return disabled; 16381 } 16382 16383 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16384 String installerPackageName) { 16385 // Enable the parent package 16386 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16387 // Enable the child packages 16388 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16389 for (int i = 0; i < childCount; i++) { 16390 PackageParser.Package childPkg = pkg.childPackages.get(i); 16391 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16392 } 16393 } 16394 16395 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 16396 // Collect all used permissions in the UID 16397 ArraySet<String> usedPermissions = new ArraySet<>(); 16398 final int packageCount = su.packages.size(); 16399 for (int i = 0; i < packageCount; i++) { 16400 PackageSetting ps = su.packages.valueAt(i); 16401 if (ps.pkg == null) { 16402 continue; 16403 } 16404 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 16405 for (int j = 0; j < requestedPermCount; j++) { 16406 String permission = ps.pkg.requestedPermissions.get(j); 16407 BasePermission bp = mSettings.mPermissions.get(permission); 16408 if (bp != null) { 16409 usedPermissions.add(permission); 16410 } 16411 } 16412 } 16413 16414 PermissionsState permissionsState = su.getPermissionsState(); 16415 // Prune install permissions 16416 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 16417 final int installPermCount = installPermStates.size(); 16418 for (int i = installPermCount - 1; i >= 0; i--) { 16419 PermissionState permissionState = installPermStates.get(i); 16420 if (!usedPermissions.contains(permissionState.getName())) { 16421 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16422 if (bp != null) { 16423 permissionsState.revokeInstallPermission(bp); 16424 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 16425 PackageManager.MASK_PERMISSION_FLAGS, 0); 16426 } 16427 } 16428 } 16429 16430 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 16431 16432 // Prune runtime permissions 16433 for (int userId : allUserIds) { 16434 List<PermissionState> runtimePermStates = permissionsState 16435 .getRuntimePermissionStates(userId); 16436 final int runtimePermCount = runtimePermStates.size(); 16437 for (int i = runtimePermCount - 1; i >= 0; i--) { 16438 PermissionState permissionState = runtimePermStates.get(i); 16439 if (!usedPermissions.contains(permissionState.getName())) { 16440 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16441 if (bp != null) { 16442 permissionsState.revokeRuntimePermission(bp, userId); 16443 permissionsState.updatePermissionFlags(bp, userId, 16444 PackageManager.MASK_PERMISSION_FLAGS, 0); 16445 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 16446 runtimePermissionChangedUserIds, userId); 16447 } 16448 } 16449 } 16450 } 16451 16452 return runtimePermissionChangedUserIds; 16453 } 16454 16455 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16456 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16457 // Update the parent package setting 16458 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16459 res, user, installReason); 16460 // Update the child packages setting 16461 final int childCount = (newPackage.childPackages != null) 16462 ? newPackage.childPackages.size() : 0; 16463 for (int i = 0; i < childCount; i++) { 16464 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16465 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16466 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16467 childRes.origUsers, childRes, user, installReason); 16468 } 16469 } 16470 16471 private void updateSettingsInternalLI(PackageParser.Package newPackage, 16472 String installerPackageName, int[] allUsers, int[] installedForUsers, 16473 PackageInstalledInfo res, UserHandle user, int installReason) { 16474 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16475 16476 String pkgName = newPackage.packageName; 16477 synchronized (mPackages) { 16478 //write settings. the installStatus will be incomplete at this stage. 16479 //note that the new package setting would have already been 16480 //added to mPackages. It hasn't been persisted yet. 16481 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 16482 // TODO: Remove this write? It's also written at the end of this method 16483 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16484 mSettings.writeLPr(); 16485 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16486 } 16487 16488 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 16489 synchronized (mPackages) { 16490 updatePermissionsLPw(newPackage.packageName, newPackage, 16491 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 16492 ? UPDATE_PERMISSIONS_ALL : 0)); 16493 // For system-bundled packages, we assume that installing an upgraded version 16494 // of the package implies that the user actually wants to run that new code, 16495 // so we enable the package. 16496 PackageSetting ps = mSettings.mPackages.get(pkgName); 16497 final int userId = user.getIdentifier(); 16498 if (ps != null) { 16499 if (isSystemApp(newPackage)) { 16500 if (DEBUG_INSTALL) { 16501 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16502 } 16503 // Enable system package for requested users 16504 if (res.origUsers != null) { 16505 for (int origUserId : res.origUsers) { 16506 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16507 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16508 origUserId, installerPackageName); 16509 } 16510 } 16511 } 16512 // Also convey the prior install/uninstall state 16513 if (allUsers != null && installedForUsers != null) { 16514 for (int currentUserId : allUsers) { 16515 final boolean installed = ArrayUtils.contains( 16516 installedForUsers, currentUserId); 16517 if (DEBUG_INSTALL) { 16518 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16519 } 16520 ps.setInstalled(installed, currentUserId); 16521 } 16522 // these install state changes will be persisted in the 16523 // upcoming call to mSettings.writeLPr(). 16524 } 16525 } 16526 // It's implied that when a user requests installation, they want the app to be 16527 // installed and enabled. 16528 if (userId != UserHandle.USER_ALL) { 16529 ps.setInstalled(true, userId); 16530 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16531 } 16532 16533 // When replacing an existing package, preserve the original install reason for all 16534 // users that had the package installed before. 16535 final Set<Integer> previousUserIds = new ArraySet<>(); 16536 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16537 final int installReasonCount = res.removedInfo.installReasons.size(); 16538 for (int i = 0; i < installReasonCount; i++) { 16539 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16540 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16541 ps.setInstallReason(previousInstallReason, previousUserId); 16542 previousUserIds.add(previousUserId); 16543 } 16544 } 16545 16546 // Set install reason for users that are having the package newly installed. 16547 if (userId == UserHandle.USER_ALL) { 16548 for (int currentUserId : sUserManager.getUserIds()) { 16549 if (!previousUserIds.contains(currentUserId)) { 16550 ps.setInstallReason(installReason, currentUserId); 16551 } 16552 } 16553 } else if (!previousUserIds.contains(userId)) { 16554 ps.setInstallReason(installReason, userId); 16555 } 16556 mSettings.writeKernelMappingLPr(ps); 16557 } 16558 res.name = pkgName; 16559 res.uid = newPackage.applicationInfo.uid; 16560 res.pkg = newPackage; 16561 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 16562 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16563 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16564 //to update install status 16565 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16566 mSettings.writeLPr(); 16567 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16568 } 16569 16570 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16571 } 16572 16573 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16574 try { 16575 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16576 installPackageLI(args, res); 16577 } finally { 16578 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16579 } 16580 } 16581 16582 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16583 final int installFlags = args.installFlags; 16584 final String installerPackageName = args.installerPackageName; 16585 final String volumeUuid = args.volumeUuid; 16586 final File tmpPackageFile = new File(args.getCodePath()); 16587 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16588 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16589 || (args.volumeUuid != null)); 16590 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 16591 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 16592 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16593 boolean replace = false; 16594 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16595 if (args.move != null) { 16596 // moving a complete application; perform an initial scan on the new install location 16597 scanFlags |= SCAN_INITIAL; 16598 } 16599 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16600 scanFlags |= SCAN_DONT_KILL_APP; 16601 } 16602 if (instantApp) { 16603 scanFlags |= SCAN_AS_INSTANT_APP; 16604 } 16605 if (fullApp) { 16606 scanFlags |= SCAN_AS_FULL_APP; 16607 } 16608 16609 // Result object to be returned 16610 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16611 16612 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16613 16614 // Sanity check 16615 if (instantApp && (forwardLocked || onExternal)) { 16616 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16617 + " external=" + onExternal); 16618 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16619 return; 16620 } 16621 16622 // Retrieve PackageSettings and parse package 16623 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16624 | PackageParser.PARSE_ENFORCE_CODE 16625 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16626 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16627 | (instantApp ? PackageParser.PARSE_IS_EPHEMERAL : 0) 16628 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16629 PackageParser pp = new PackageParser(); 16630 pp.setSeparateProcesses(mSeparateProcesses); 16631 pp.setDisplayMetrics(mMetrics); 16632 16633 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16634 final PackageParser.Package pkg; 16635 try { 16636 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16637 } catch (PackageParserException e) { 16638 res.setError("Failed parse during installPackageLI", e); 16639 return; 16640 } finally { 16641 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16642 } 16643 16644// // Ephemeral apps must have target SDK >= O. 16645// // TODO: Update conditional and error message when O gets locked down 16646// if (instantApp && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 16647// res.setError(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID, 16648// "Ephemeral apps must have target SDK version of at least O"); 16649// return; 16650// } 16651 16652 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16653 // Static shared libraries have synthetic package names 16654 renameStaticSharedLibraryPackage(pkg); 16655 16656 // No static shared libs on external storage 16657 if (onExternal) { 16658 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16659 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16660 "Packages declaring static-shared libs cannot be updated"); 16661 return; 16662 } 16663 } 16664 16665 // If we are installing a clustered package add results for the children 16666 if (pkg.childPackages != null) { 16667 synchronized (mPackages) { 16668 final int childCount = pkg.childPackages.size(); 16669 for (int i = 0; i < childCount; i++) { 16670 PackageParser.Package childPkg = pkg.childPackages.get(i); 16671 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16672 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16673 childRes.pkg = childPkg; 16674 childRes.name = childPkg.packageName; 16675 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16676 if (childPs != null) { 16677 childRes.origUsers = childPs.queryInstalledUsers( 16678 sUserManager.getUserIds(), true); 16679 } 16680 if ((mPackages.containsKey(childPkg.packageName))) { 16681 childRes.removedInfo = new PackageRemovedInfo(); 16682 childRes.removedInfo.removedPackage = childPkg.packageName; 16683 } 16684 if (res.addedChildPackages == null) { 16685 res.addedChildPackages = new ArrayMap<>(); 16686 } 16687 res.addedChildPackages.put(childPkg.packageName, childRes); 16688 } 16689 } 16690 } 16691 16692 // If package doesn't declare API override, mark that we have an install 16693 // time CPU ABI override. 16694 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16695 pkg.cpuAbiOverride = args.abiOverride; 16696 } 16697 16698 String pkgName = res.name = pkg.packageName; 16699 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16700 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16701 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16702 return; 16703 } 16704 } 16705 16706 try { 16707 // either use what we've been given or parse directly from the APK 16708 if (args.certificates != null) { 16709 try { 16710 PackageParser.populateCertificates(pkg, args.certificates); 16711 } catch (PackageParserException e) { 16712 // there was something wrong with the certificates we were given; 16713 // try to pull them from the APK 16714 PackageParser.collectCertificates(pkg, parseFlags); 16715 } 16716 } else { 16717 PackageParser.collectCertificates(pkg, parseFlags); 16718 } 16719 } catch (PackageParserException e) { 16720 res.setError("Failed collect during installPackageLI", e); 16721 return; 16722 } 16723 16724 // Get rid of all references to package scan path via parser. 16725 pp = null; 16726 String oldCodePath = null; 16727 boolean systemApp = false; 16728 synchronized (mPackages) { 16729 // Check if installing already existing package 16730 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16731 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16732 if (pkg.mOriginalPackages != null 16733 && pkg.mOriginalPackages.contains(oldName) 16734 && mPackages.containsKey(oldName)) { 16735 // This package is derived from an original package, 16736 // and this device has been updating from that original 16737 // name. We must continue using the original name, so 16738 // rename the new package here. 16739 pkg.setPackageName(oldName); 16740 pkgName = pkg.packageName; 16741 replace = true; 16742 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16743 + oldName + " pkgName=" + pkgName); 16744 } else if (mPackages.containsKey(pkgName)) { 16745 // This package, under its official name, already exists 16746 // on the device; we should replace it. 16747 replace = true; 16748 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16749 } 16750 16751 // Child packages are installed through the parent package 16752 if (pkg.parentPackage != null) { 16753 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16754 "Package " + pkg.packageName + " is child of package " 16755 + pkg.parentPackage.parentPackage + ". Child packages " 16756 + "can be updated only through the parent package."); 16757 return; 16758 } 16759 16760 if (replace) { 16761 // Prevent apps opting out from runtime permissions 16762 PackageParser.Package oldPackage = mPackages.get(pkgName); 16763 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16764 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16765 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16766 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16767 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16768 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16769 + " doesn't support runtime permissions but the old" 16770 + " target SDK " + oldTargetSdk + " does."); 16771 return; 16772 } 16773 16774 // Prevent installing of child packages 16775 if (oldPackage.parentPackage != null) { 16776 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16777 "Package " + pkg.packageName + " is child of package " 16778 + oldPackage.parentPackage + ". Child packages " 16779 + "can be updated only through the parent package."); 16780 return; 16781 } 16782 } 16783 } 16784 16785 PackageSetting ps = mSettings.mPackages.get(pkgName); 16786 if (ps != null) { 16787 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16788 16789 // Static shared libs have same package with different versions where 16790 // we internally use a synthetic package name to allow multiple versions 16791 // of the same package, therefore we need to compare signatures against 16792 // the package setting for the latest library version. 16793 PackageSetting signatureCheckPs = ps; 16794 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16795 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 16796 if (libraryEntry != null) { 16797 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 16798 } 16799 } 16800 16801 // Quick sanity check that we're signed correctly if updating; 16802 // we'll check this again later when scanning, but we want to 16803 // bail early here before tripping over redefined permissions. 16804 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 16805 if (!checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 16806 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 16807 + pkg.packageName + " upgrade keys do not match the " 16808 + "previously installed version"); 16809 return; 16810 } 16811 } else { 16812 try { 16813 verifySignaturesLP(signatureCheckPs, pkg); 16814 } catch (PackageManagerException e) { 16815 res.setError(e.error, e.getMessage()); 16816 return; 16817 } 16818 } 16819 16820 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 16821 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 16822 systemApp = (ps.pkg.applicationInfo.flags & 16823 ApplicationInfo.FLAG_SYSTEM) != 0; 16824 } 16825 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16826 } 16827 16828 // Check whether the newly-scanned package wants to define an already-defined perm 16829 int N = pkg.permissions.size(); 16830 for (int i = N-1; i >= 0; i--) { 16831 PackageParser.Permission perm = pkg.permissions.get(i); 16832 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 16833 if (bp != null) { 16834 // If the defining package is signed with our cert, it's okay. This 16835 // also includes the "updating the same package" case, of course. 16836 // "updating same package" could also involve key-rotation. 16837 final boolean sigsOk; 16838 if (bp.sourcePackage.equals(pkg.packageName) 16839 && (bp.packageSetting instanceof PackageSetting) 16840 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 16841 scanFlags))) { 16842 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 16843 } else { 16844 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 16845 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 16846 } 16847 if (!sigsOk) { 16848 // If the owning package is the system itself, we log but allow 16849 // install to proceed; we fail the install on all other permission 16850 // redefinitions. 16851 if (!bp.sourcePackage.equals("android")) { 16852 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 16853 + pkg.packageName + " attempting to redeclare permission " 16854 + perm.info.name + " already owned by " + bp.sourcePackage); 16855 res.origPermission = perm.info.name; 16856 res.origPackage = bp.sourcePackage; 16857 return; 16858 } else { 16859 Slog.w(TAG, "Package " + pkg.packageName 16860 + " attempting to redeclare system permission " 16861 + perm.info.name + "; ignoring new declaration"); 16862 pkg.permissions.remove(i); 16863 } 16864 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16865 // Prevent apps to change protection level to dangerous from any other 16866 // type as this would allow a privilege escalation where an app adds a 16867 // normal/signature permission in other app's group and later redefines 16868 // it as dangerous leading to the group auto-grant. 16869 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 16870 == PermissionInfo.PROTECTION_DANGEROUS) { 16871 if (bp != null && !bp.isRuntime()) { 16872 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 16873 + "non-runtime permission " + perm.info.name 16874 + " to runtime; keeping old protection level"); 16875 perm.info.protectionLevel = bp.protectionLevel; 16876 } 16877 } 16878 } 16879 } 16880 } 16881 } 16882 16883 if (systemApp) { 16884 if (onExternal) { 16885 // Abort update; system app can't be replaced with app on sdcard 16886 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16887 "Cannot install updates to system apps on sdcard"); 16888 return; 16889 } else if (instantApp) { 16890 // Abort update; system app can't be replaced with an instant app 16891 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16892 "Cannot update a system app with an instant app"); 16893 return; 16894 } 16895 } 16896 16897 if (args.move != null) { 16898 // We did an in-place move, so dex is ready to roll 16899 scanFlags |= SCAN_NO_DEX; 16900 scanFlags |= SCAN_MOVE; 16901 16902 synchronized (mPackages) { 16903 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16904 if (ps == null) { 16905 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16906 "Missing settings for moved package " + pkgName); 16907 } 16908 16909 // We moved the entire application as-is, so bring over the 16910 // previously derived ABI information. 16911 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16912 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16913 } 16914 16915 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16916 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16917 scanFlags |= SCAN_NO_DEX; 16918 16919 try { 16920 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16921 args.abiOverride : pkg.cpuAbiOverride); 16922 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 16923 true /*extractLibs*/, mAppLib32InstallDir); 16924 } catch (PackageManagerException pme) { 16925 Slog.e(TAG, "Error deriving application ABI", pme); 16926 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16927 return; 16928 } 16929 16930 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16931 // Do not run PackageDexOptimizer through the local performDexOpt 16932 // method because `pkg` may not be in `mPackages` yet. 16933 // 16934 // Also, don't fail application installs if the dexopt step fails. 16935 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16936 null /* instructionSets */, false /* checkProfiles */, 16937 getCompilerFilterForReason(REASON_INSTALL), 16938 getOrCreateCompilerPackageStats(pkg)); 16939 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16940 16941 // Notify BackgroundDexOptJobService that the package has been changed. 16942 // If this is an update of a package which used to fail to compile, 16943 // BDOS will remove it from its blacklist. 16944 // TODO: Layering violation 16945 BackgroundDexOptJobService.notifyPackageChanged(pkg.packageName); 16946 } 16947 16948 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16949 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16950 return; 16951 } 16952 16953 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16954 16955 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16956 "installPackageLI")) { 16957 if (replace) { 16958 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16959 // Static libs have a synthetic package name containing the version 16960 // and cannot be updated as an update would get a new package name, 16961 // unless this is the exact same version code which is useful for 16962 // development. 16963 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 16964 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 16965 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 16966 + "static-shared libs cannot be updated"); 16967 return; 16968 } 16969 } 16970 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 16971 installerPackageName, res, args.installReason); 16972 } else { 16973 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16974 args.user, installerPackageName, volumeUuid, res, args.installReason); 16975 } 16976 } 16977 synchronized (mPackages) { 16978 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16979 if (ps != null) { 16980 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16981 } 16982 16983 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16984 for (int i = 0; i < childCount; i++) { 16985 PackageParser.Package childPkg = pkg.childPackages.get(i); 16986 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16987 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16988 if (childPs != null) { 16989 childRes.newUsers = childPs.queryInstalledUsers( 16990 sUserManager.getUserIds(), true); 16991 } 16992 } 16993 16994 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16995 updateSequenceNumberLP(pkgName, res.newUsers); 16996 } 16997 } 16998 } 16999 17000 private void startIntentFilterVerifications(int userId, boolean replacing, 17001 PackageParser.Package pkg) { 17002 if (mIntentFilterVerifierComponent == null) { 17003 Slog.w(TAG, "No IntentFilter verification will not be done as " 17004 + "there is no IntentFilterVerifier available!"); 17005 return; 17006 } 17007 17008 final int verifierUid = getPackageUid( 17009 mIntentFilterVerifierComponent.getPackageName(), 17010 MATCH_DEBUG_TRIAGED_MISSING, 17011 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 17012 17013 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17014 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 17015 mHandler.sendMessage(msg); 17016 17017 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17018 for (int i = 0; i < childCount; i++) { 17019 PackageParser.Package childPkg = pkg.childPackages.get(i); 17020 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17021 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 17022 mHandler.sendMessage(msg); 17023 } 17024 } 17025 17026 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 17027 PackageParser.Package pkg) { 17028 int size = pkg.activities.size(); 17029 if (size == 0) { 17030 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17031 "No activity, so no need to verify any IntentFilter!"); 17032 return; 17033 } 17034 17035 final boolean hasDomainURLs = hasDomainURLs(pkg); 17036 if (!hasDomainURLs) { 17037 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17038 "No domain URLs, so no need to verify any IntentFilter!"); 17039 return; 17040 } 17041 17042 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 17043 + " if any IntentFilter from the " + size 17044 + " Activities needs verification ..."); 17045 17046 int count = 0; 17047 final String packageName = pkg.packageName; 17048 17049 synchronized (mPackages) { 17050 // If this is a new install and we see that we've already run verification for this 17051 // package, we have nothing to do: it means the state was restored from backup. 17052 if (!replacing) { 17053 IntentFilterVerificationInfo ivi = 17054 mSettings.getIntentFilterVerificationLPr(packageName); 17055 if (ivi != null) { 17056 if (DEBUG_DOMAIN_VERIFICATION) { 17057 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 17058 + ivi.getStatusString()); 17059 } 17060 return; 17061 } 17062 } 17063 17064 // If any filters need to be verified, then all need to be. 17065 boolean needToVerify = false; 17066 for (PackageParser.Activity a : pkg.activities) { 17067 for (ActivityIntentInfo filter : a.intents) { 17068 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 17069 if (DEBUG_DOMAIN_VERIFICATION) { 17070 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 17071 } 17072 needToVerify = true; 17073 break; 17074 } 17075 } 17076 } 17077 17078 if (needToVerify) { 17079 final int verificationId = mIntentFilterVerificationToken++; 17080 for (PackageParser.Activity a : pkg.activities) { 17081 for (ActivityIntentInfo filter : a.intents) { 17082 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 17083 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17084 "Verification needed for IntentFilter:" + filter.toString()); 17085 mIntentFilterVerifier.addOneIntentFilterVerification( 17086 verifierUid, userId, verificationId, filter, packageName); 17087 count++; 17088 } 17089 } 17090 } 17091 } 17092 } 17093 17094 if (count > 0) { 17095 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 17096 + " IntentFilter verification" + (count > 1 ? "s" : "") 17097 + " for userId:" + userId); 17098 mIntentFilterVerifier.startVerifications(userId); 17099 } else { 17100 if (DEBUG_DOMAIN_VERIFICATION) { 17101 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 17102 } 17103 } 17104 } 17105 17106 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 17107 final ComponentName cn = filter.activity.getComponentName(); 17108 final String packageName = cn.getPackageName(); 17109 17110 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 17111 packageName); 17112 if (ivi == null) { 17113 return true; 17114 } 17115 int status = ivi.getStatus(); 17116 switch (status) { 17117 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 17118 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 17119 return true; 17120 17121 default: 17122 // Nothing to do 17123 return false; 17124 } 17125 } 17126 17127 private static boolean isMultiArch(ApplicationInfo info) { 17128 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 17129 } 17130 17131 private static boolean isExternal(PackageParser.Package pkg) { 17132 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17133 } 17134 17135 private static boolean isExternal(PackageSetting ps) { 17136 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17137 } 17138 17139 private static boolean isSystemApp(PackageParser.Package pkg) { 17140 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 17141 } 17142 17143 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 17144 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17145 } 17146 17147 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17148 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17149 } 17150 17151 private static boolean isSystemApp(PackageSetting ps) { 17152 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17153 } 17154 17155 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17156 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17157 } 17158 17159 private int packageFlagsToInstallFlags(PackageSetting ps) { 17160 int installFlags = 0; 17161 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17162 // This existing package was an external ASEC install when we have 17163 // the external flag without a UUID 17164 installFlags |= PackageManager.INSTALL_EXTERNAL; 17165 } 17166 if (ps.isForwardLocked()) { 17167 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17168 } 17169 return installFlags; 17170 } 17171 17172 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 17173 if (isExternal(pkg)) { 17174 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17175 return StorageManager.UUID_PRIMARY_PHYSICAL; 17176 } else { 17177 return pkg.volumeUuid; 17178 } 17179 } else { 17180 return StorageManager.UUID_PRIVATE_INTERNAL; 17181 } 17182 } 17183 17184 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17185 if (isExternal(pkg)) { 17186 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17187 return mSettings.getExternalVersion(); 17188 } else { 17189 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17190 } 17191 } else { 17192 return mSettings.getInternalVersion(); 17193 } 17194 } 17195 17196 private void deleteTempPackageFiles() { 17197 final FilenameFilter filter = new FilenameFilter() { 17198 public boolean accept(File dir, String name) { 17199 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17200 } 17201 }; 17202 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 17203 file.delete(); 17204 } 17205 } 17206 17207 @Override 17208 public void deletePackageAsUser(String packageName, int versionCode, 17209 IPackageDeleteObserver observer, int userId, int flags) { 17210 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17211 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17212 } 17213 17214 @Override 17215 public void deletePackageVersioned(VersionedPackage versionedPackage, 17216 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17217 mContext.enforceCallingOrSelfPermission( 17218 android.Manifest.permission.DELETE_PACKAGES, null); 17219 Preconditions.checkNotNull(versionedPackage); 17220 Preconditions.checkNotNull(observer); 17221 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 17222 PackageManager.VERSION_CODE_HIGHEST, 17223 Integer.MAX_VALUE, "versionCode must be >= -1"); 17224 17225 final String packageName = versionedPackage.getPackageName(); 17226 // TODO: We will change version code to long, so in the new API it is long 17227 final int versionCode = (int) versionedPackage.getVersionCode(); 17228 final String internalPackageName; 17229 synchronized (mPackages) { 17230 // Normalize package name to handle renamed packages and static libs 17231 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 17232 // TODO: We will change version code to long, so in the new API it is long 17233 (int) versionedPackage.getVersionCode()); 17234 } 17235 17236 final int uid = Binder.getCallingUid(); 17237 if (!isOrphaned(internalPackageName) 17238 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17239 try { 17240 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17241 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17242 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17243 observer.onUserActionRequired(intent); 17244 } catch (RemoteException re) { 17245 } 17246 return; 17247 } 17248 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17249 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17250 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17251 mContext.enforceCallingOrSelfPermission( 17252 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17253 "deletePackage for user " + userId); 17254 } 17255 17256 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17257 try { 17258 observer.onPackageDeleted(packageName, 17259 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17260 } catch (RemoteException re) { 17261 } 17262 return; 17263 } 17264 17265 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17266 try { 17267 observer.onPackageDeleted(packageName, 17268 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17269 } catch (RemoteException re) { 17270 } 17271 return; 17272 } 17273 17274 if (DEBUG_REMOVE) { 17275 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17276 + " deleteAllUsers: " + deleteAllUsers + " version=" 17277 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17278 ? "VERSION_CODE_HIGHEST" : versionCode)); 17279 } 17280 // Queue up an async operation since the package deletion may take a little while. 17281 mHandler.post(new Runnable() { 17282 public void run() { 17283 mHandler.removeCallbacks(this); 17284 int returnCode; 17285 if (!deleteAllUsers) { 17286 returnCode = deletePackageX(internalPackageName, versionCode, 17287 userId, deleteFlags); 17288 } else { 17289 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17290 internalPackageName, users); 17291 // If nobody is blocking uninstall, proceed with delete for all users 17292 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17293 returnCode = deletePackageX(internalPackageName, versionCode, 17294 userId, deleteFlags); 17295 } else { 17296 // Otherwise uninstall individually for users with blockUninstalls=false 17297 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17298 for (int userId : users) { 17299 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17300 returnCode = deletePackageX(internalPackageName, versionCode, 17301 userId, userFlags); 17302 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17303 Slog.w(TAG, "Package delete failed for user " + userId 17304 + ", returnCode " + returnCode); 17305 } 17306 } 17307 } 17308 // The app has only been marked uninstalled for certain users. 17309 // We still need to report that delete was blocked 17310 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17311 } 17312 } 17313 try { 17314 observer.onPackageDeleted(packageName, returnCode, null); 17315 } catch (RemoteException e) { 17316 Log.i(TAG, "Observer no longer exists."); 17317 } //end catch 17318 } //end run 17319 }); 17320 } 17321 17322 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17323 if (pkg.staticSharedLibName != null) { 17324 return pkg.manifestPackageName; 17325 } 17326 return pkg.packageName; 17327 } 17328 17329 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 17330 // Handle renamed packages 17331 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17332 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17333 17334 // Is this a static library? 17335 SparseArray<SharedLibraryEntry> versionedLib = 17336 mStaticLibsByDeclaringPackage.get(packageName); 17337 if (versionedLib == null || versionedLib.size() <= 0) { 17338 return packageName; 17339 } 17340 17341 // Figure out which lib versions the caller can see 17342 SparseIntArray versionsCallerCanSee = null; 17343 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17344 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17345 && callingAppId != Process.ROOT_UID) { 17346 versionsCallerCanSee = new SparseIntArray(); 17347 String libName = versionedLib.valueAt(0).info.getName(); 17348 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17349 if (uidPackages != null) { 17350 for (String uidPackage : uidPackages) { 17351 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17352 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17353 if (libIdx >= 0) { 17354 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17355 versionsCallerCanSee.append(libVersion, libVersion); 17356 } 17357 } 17358 } 17359 } 17360 17361 // Caller can see nothing - done 17362 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17363 return packageName; 17364 } 17365 17366 // Find the version the caller can see and the app version code 17367 SharedLibraryEntry highestVersion = null; 17368 final int versionCount = versionedLib.size(); 17369 for (int i = 0; i < versionCount; i++) { 17370 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17371 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17372 libEntry.info.getVersion()) < 0) { 17373 continue; 17374 } 17375 // TODO: We will change version code to long, so in the new API it is long 17376 final int libVersionCode = (int) libEntry.info.getDeclaringPackage().getVersionCode(); 17377 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17378 if (libVersionCode == versionCode) { 17379 return libEntry.apk; 17380 } 17381 } else if (highestVersion == null) { 17382 highestVersion = libEntry; 17383 } else if (libVersionCode > highestVersion.info 17384 .getDeclaringPackage().getVersionCode()) { 17385 highestVersion = libEntry; 17386 } 17387 } 17388 17389 if (highestVersion != null) { 17390 return highestVersion.apk; 17391 } 17392 17393 return packageName; 17394 } 17395 17396 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17397 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17398 || callingUid == Process.SYSTEM_UID) { 17399 return true; 17400 } 17401 final int callingUserId = UserHandle.getUserId(callingUid); 17402 // If the caller installed the pkgName, then allow it to silently uninstall. 17403 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17404 return true; 17405 } 17406 17407 // Allow package verifier to silently uninstall. 17408 if (mRequiredVerifierPackage != null && 17409 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17410 return true; 17411 } 17412 17413 // Allow package uninstaller to silently uninstall. 17414 if (mRequiredUninstallerPackage != null && 17415 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17416 return true; 17417 } 17418 17419 // Allow storage manager to silently uninstall. 17420 if (mStorageManagerPackage != null && 17421 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17422 return true; 17423 } 17424 return false; 17425 } 17426 17427 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17428 int[] result = EMPTY_INT_ARRAY; 17429 for (int userId : userIds) { 17430 if (getBlockUninstallForUser(packageName, userId)) { 17431 result = ArrayUtils.appendInt(result, userId); 17432 } 17433 } 17434 return result; 17435 } 17436 17437 @Override 17438 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17439 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17440 } 17441 17442 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17443 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17444 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17445 try { 17446 if (dpm != null) { 17447 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17448 /* callingUserOnly =*/ false); 17449 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17450 : deviceOwnerComponentName.getPackageName(); 17451 // Does the package contains the device owner? 17452 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17453 // this check is probably not needed, since DO should be registered as a device 17454 // admin on some user too. (Original bug for this: b/17657954) 17455 if (packageName.equals(deviceOwnerPackageName)) { 17456 return true; 17457 } 17458 // Does it contain a device admin for any user? 17459 int[] users; 17460 if (userId == UserHandle.USER_ALL) { 17461 users = sUserManager.getUserIds(); 17462 } else { 17463 users = new int[]{userId}; 17464 } 17465 for (int i = 0; i < users.length; ++i) { 17466 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 17467 return true; 17468 } 17469 } 17470 } 17471 } catch (RemoteException e) { 17472 } 17473 return false; 17474 } 17475 17476 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17477 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17478 } 17479 17480 /** 17481 * This method is an internal method that could be get invoked either 17482 * to delete an installed package or to clean up a failed installation. 17483 * After deleting an installed package, a broadcast is sent to notify any 17484 * listeners that the package has been removed. For cleaning up a failed 17485 * installation, the broadcast is not necessary since the package's 17486 * installation wouldn't have sent the initial broadcast either 17487 * The key steps in deleting a package are 17488 * deleting the package information in internal structures like mPackages, 17489 * deleting the packages base directories through installd 17490 * updating mSettings to reflect current status 17491 * persisting settings for later use 17492 * sending a broadcast if necessary 17493 */ 17494 private int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 17495 final PackageRemovedInfo info = new PackageRemovedInfo(); 17496 final boolean res; 17497 17498 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17499 ? UserHandle.USER_ALL : userId; 17500 17501 if (isPackageDeviceAdmin(packageName, removeUser)) { 17502 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17503 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17504 } 17505 17506 PackageSetting uninstalledPs = null; 17507 17508 // for the uninstall-updates case and restricted profiles, remember the per- 17509 // user handle installed state 17510 int[] allUsers; 17511 synchronized (mPackages) { 17512 uninstalledPs = mSettings.mPackages.get(packageName); 17513 if (uninstalledPs == null) { 17514 Slog.w(TAG, "Not removing non-existent package " + packageName); 17515 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17516 } 17517 17518 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17519 && uninstalledPs.versionCode != versionCode) { 17520 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17521 + uninstalledPs.versionCode + " != " + versionCode); 17522 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17523 } 17524 17525 // Static shared libs can be declared by any package, so let us not 17526 // allow removing a package if it provides a lib others depend on. 17527 PackageParser.Package pkg = mPackages.get(packageName); 17528 if (pkg != null && pkg.staticSharedLibName != null) { 17529 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17530 pkg.staticSharedLibVersion); 17531 if (libEntry != null) { 17532 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17533 libEntry.info, 0, userId); 17534 if (!ArrayUtils.isEmpty(libClientPackages)) { 17535 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17536 + " hosting lib " + libEntry.info.getName() + " version " 17537 + libEntry.info.getVersion() + " used by " + libClientPackages); 17538 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17539 } 17540 } 17541 } 17542 17543 allUsers = sUserManager.getUserIds(); 17544 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17545 } 17546 17547 final int freezeUser; 17548 if (isUpdatedSystemApp(uninstalledPs) 17549 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17550 // We're downgrading a system app, which will apply to all users, so 17551 // freeze them all during the downgrade 17552 freezeUser = UserHandle.USER_ALL; 17553 } else { 17554 freezeUser = removeUser; 17555 } 17556 17557 synchronized (mInstallLock) { 17558 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17559 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17560 deleteFlags, "deletePackageX")) { 17561 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17562 deleteFlags | FLAGS_REMOVE_CHATTY, info, true, null); 17563 } 17564 synchronized (mPackages) { 17565 if (res) { 17566 mInstantAppRegistry.onPackageUninstalledLPw(uninstalledPs.pkg, 17567 info.removedUsers); 17568 updateSequenceNumberLP(packageName, info.removedUsers); 17569 } 17570 } 17571 } 17572 17573 if (res) { 17574 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17575 info.sendPackageRemovedBroadcasts(killApp); 17576 info.sendSystemPackageUpdatedBroadcasts(); 17577 info.sendSystemPackageAppearedBroadcasts(); 17578 } 17579 // Force a gc here. 17580 Runtime.getRuntime().gc(); 17581 // Delete the resources here after sending the broadcast to let 17582 // other processes clean up before deleting resources. 17583 if (info.args != null) { 17584 synchronized (mInstallLock) { 17585 info.args.doPostDeleteLI(true); 17586 } 17587 } 17588 17589 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17590 } 17591 17592 class PackageRemovedInfo { 17593 String removedPackage; 17594 int uid = -1; 17595 int removedAppId = -1; 17596 int[] origUsers; 17597 int[] removedUsers = null; 17598 SparseArray<Integer> installReasons; 17599 boolean isRemovedPackageSystemUpdate = false; 17600 boolean isUpdate; 17601 boolean dataRemoved; 17602 boolean removedForAllUsers; 17603 boolean isStaticSharedLib; 17604 // Clean up resources deleted packages. 17605 InstallArgs args = null; 17606 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17607 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17608 17609 void sendPackageRemovedBroadcasts(boolean killApp) { 17610 sendPackageRemovedBroadcastInternal(killApp); 17611 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17612 for (int i = 0; i < childCount; i++) { 17613 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17614 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17615 } 17616 } 17617 17618 void sendSystemPackageUpdatedBroadcasts() { 17619 if (isRemovedPackageSystemUpdate) { 17620 sendSystemPackageUpdatedBroadcastsInternal(); 17621 final int childCount = (removedChildPackages != null) 17622 ? removedChildPackages.size() : 0; 17623 for (int i = 0; i < childCount; i++) { 17624 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17625 if (childInfo.isRemovedPackageSystemUpdate) { 17626 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17627 } 17628 } 17629 } 17630 } 17631 17632 void sendSystemPackageAppearedBroadcasts() { 17633 final int packageCount = (appearedChildPackages != null) 17634 ? appearedChildPackages.size() : 0; 17635 for (int i = 0; i < packageCount; i++) { 17636 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17637 sendPackageAddedForNewUsers(installedInfo.name, true, 17638 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 17639 } 17640 } 17641 17642 private void sendSystemPackageUpdatedBroadcastsInternal() { 17643 Bundle extras = new Bundle(2); 17644 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17645 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17646 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 17647 extras, 0, null, null, null); 17648 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 17649 extras, 0, null, null, null); 17650 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 17651 null, 0, removedPackage, null, null); 17652 } 17653 17654 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17655 // Don't send static shared library removal broadcasts as these 17656 // libs are visible only the the apps that depend on them an one 17657 // cannot remove the library if it has a dependency. 17658 if (isStaticSharedLib) { 17659 return; 17660 } 17661 Bundle extras = new Bundle(2); 17662 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17663 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17664 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17665 if (isUpdate || isRemovedPackageSystemUpdate) { 17666 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17667 } 17668 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17669 if (removedPackage != null) { 17670 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 17671 extras, 0, null, null, removedUsers); 17672 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17673 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17674 removedPackage, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17675 null, null, removedUsers); 17676 } 17677 } 17678 if (removedAppId >= 0) { 17679 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 17680 removedUsers); 17681 } 17682 } 17683 } 17684 17685 /* 17686 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17687 * flag is not set, the data directory is removed as well. 17688 * make sure this flag is set for partially installed apps. If not its meaningless to 17689 * delete a partially installed application. 17690 */ 17691 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17692 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17693 String packageName = ps.name; 17694 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17695 // Retrieve object to delete permissions for shared user later on 17696 final PackageParser.Package deletedPkg; 17697 final PackageSetting deletedPs; 17698 // reader 17699 synchronized (mPackages) { 17700 deletedPkg = mPackages.get(packageName); 17701 deletedPs = mSettings.mPackages.get(packageName); 17702 if (outInfo != null) { 17703 outInfo.removedPackage = packageName; 17704 outInfo.isStaticSharedLib = deletedPkg != null 17705 && deletedPkg.staticSharedLibName != null; 17706 outInfo.removedUsers = deletedPs != null 17707 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 17708 : null; 17709 } 17710 } 17711 17712 removePackageLI(ps, (flags & FLAGS_REMOVE_CHATTY) != 0); 17713 17714 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17715 final PackageParser.Package resolvedPkg; 17716 if (deletedPkg != null) { 17717 resolvedPkg = deletedPkg; 17718 } else { 17719 // We don't have a parsed package when it lives on an ejected 17720 // adopted storage device, so fake something together 17721 resolvedPkg = new PackageParser.Package(ps.name); 17722 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17723 } 17724 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17725 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17726 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17727 if (outInfo != null) { 17728 outInfo.dataRemoved = true; 17729 } 17730 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17731 } 17732 17733 int removedAppId = -1; 17734 17735 // writer 17736 synchronized (mPackages) { 17737 boolean installedStateChanged = false; 17738 if (deletedPs != null) { 17739 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17740 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17741 clearDefaultBrowserIfNeeded(packageName); 17742 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17743 removedAppId = mSettings.removePackageLPw(packageName); 17744 if (outInfo != null) { 17745 outInfo.removedAppId = removedAppId; 17746 } 17747 updatePermissionsLPw(deletedPs.name, null, 0); 17748 if (deletedPs.sharedUser != null) { 17749 // Remove permissions associated with package. Since runtime 17750 // permissions are per user we have to kill the removed package 17751 // or packages running under the shared user of the removed 17752 // package if revoking the permissions requested only by the removed 17753 // package is successful and this causes a change in gids. 17754 for (int userId : UserManagerService.getInstance().getUserIds()) { 17755 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 17756 userId); 17757 if (userIdToKill == UserHandle.USER_ALL 17758 || userIdToKill >= UserHandle.USER_SYSTEM) { 17759 // If gids changed for this user, kill all affected packages. 17760 mHandler.post(new Runnable() { 17761 @Override 17762 public void run() { 17763 // This has to happen with no lock held. 17764 killApplication(deletedPs.name, deletedPs.appId, 17765 KILL_APP_REASON_GIDS_CHANGED); 17766 } 17767 }); 17768 break; 17769 } 17770 } 17771 } 17772 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 17773 } 17774 // make sure to preserve per-user disabled state if this removal was just 17775 // a downgrade of a system app to the factory package 17776 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 17777 if (DEBUG_REMOVE) { 17778 Slog.d(TAG, "Propagating install state across downgrade"); 17779 } 17780 for (int userId : allUserHandles) { 17781 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17782 if (DEBUG_REMOVE) { 17783 Slog.d(TAG, " user " + userId + " => " + installed); 17784 } 17785 if (installed != ps.getInstalled(userId)) { 17786 installedStateChanged = true; 17787 } 17788 ps.setInstalled(installed, userId); 17789 } 17790 } 17791 } 17792 // can downgrade to reader 17793 if (writeSettings) { 17794 // Save settings now 17795 mSettings.writeLPr(); 17796 } 17797 if (installedStateChanged) { 17798 mSettings.writeKernelMappingLPr(ps); 17799 } 17800 } 17801 if (removedAppId != -1) { 17802 // A user ID was deleted here. Go through all users and remove it 17803 // from KeyStore. 17804 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 17805 } 17806 } 17807 17808 static boolean locationIsPrivileged(File path) { 17809 try { 17810 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 17811 .getCanonicalPath(); 17812 return path.getCanonicalPath().startsWith(privilegedAppDir); 17813 } catch (IOException e) { 17814 Slog.e(TAG, "Unable to access code path " + path); 17815 } 17816 return false; 17817 } 17818 17819 /* 17820 * Tries to delete system package. 17821 */ 17822 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 17823 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 17824 boolean writeSettings) { 17825 if (deletedPs.parentPackageName != null) { 17826 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 17827 return false; 17828 } 17829 17830 final boolean applyUserRestrictions 17831 = (allUserHandles != null) && (outInfo.origUsers != null); 17832 final PackageSetting disabledPs; 17833 // Confirm if the system package has been updated 17834 // An updated system app can be deleted. This will also have to restore 17835 // the system pkg from system partition 17836 // reader 17837 synchronized (mPackages) { 17838 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 17839 } 17840 17841 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 17842 + " disabledPs=" + disabledPs); 17843 17844 if (disabledPs == null) { 17845 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 17846 return false; 17847 } else if (DEBUG_REMOVE) { 17848 Slog.d(TAG, "Deleting system pkg from data partition"); 17849 } 17850 17851 if (DEBUG_REMOVE) { 17852 if (applyUserRestrictions) { 17853 Slog.d(TAG, "Remembering install states:"); 17854 for (int userId : allUserHandles) { 17855 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 17856 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 17857 } 17858 } 17859 } 17860 17861 // Delete the updated package 17862 outInfo.isRemovedPackageSystemUpdate = true; 17863 if (outInfo.removedChildPackages != null) { 17864 final int childCount = (deletedPs.childPackageNames != null) 17865 ? deletedPs.childPackageNames.size() : 0; 17866 for (int i = 0; i < childCount; i++) { 17867 String childPackageName = deletedPs.childPackageNames.get(i); 17868 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 17869 .contains(childPackageName)) { 17870 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17871 childPackageName); 17872 if (childInfo != null) { 17873 childInfo.isRemovedPackageSystemUpdate = true; 17874 } 17875 } 17876 } 17877 } 17878 17879 if (disabledPs.versionCode < deletedPs.versionCode) { 17880 // Delete data for downgrades 17881 flags &= ~PackageManager.DELETE_KEEP_DATA; 17882 } else { 17883 // Preserve data by setting flag 17884 flags |= PackageManager.DELETE_KEEP_DATA; 17885 } 17886 17887 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 17888 outInfo, writeSettings, disabledPs.pkg); 17889 if (!ret) { 17890 return false; 17891 } 17892 17893 // writer 17894 synchronized (mPackages) { 17895 // Reinstate the old system package 17896 enableSystemPackageLPw(disabledPs.pkg); 17897 // Remove any native libraries from the upgraded package. 17898 removeNativeBinariesLI(deletedPs); 17899 } 17900 17901 // Install the system package 17902 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 17903 int parseFlags = mDefParseFlags 17904 | PackageParser.PARSE_MUST_BE_APK 17905 | PackageParser.PARSE_IS_SYSTEM 17906 | PackageParser.PARSE_IS_SYSTEM_DIR; 17907 if (locationIsPrivileged(disabledPs.codePath)) { 17908 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 17909 } 17910 17911 final PackageParser.Package newPkg; 17912 try { 17913 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 17914 0 /* currentTime */, null); 17915 } catch (PackageManagerException e) { 17916 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 17917 + e.getMessage()); 17918 return false; 17919 } 17920 17921 try { 17922 // update shared libraries for the newly re-installed system package 17923 updateSharedLibrariesLPr(newPkg, null); 17924 } catch (PackageManagerException e) { 17925 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17926 } 17927 17928 prepareAppDataAfterInstallLIF(newPkg); 17929 17930 // writer 17931 synchronized (mPackages) { 17932 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 17933 17934 // Propagate the permissions state as we do not want to drop on the floor 17935 // runtime permissions. The update permissions method below will take 17936 // care of removing obsolete permissions and grant install permissions. 17937 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 17938 updatePermissionsLPw(newPkg.packageName, newPkg, 17939 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 17940 17941 if (applyUserRestrictions) { 17942 boolean installedStateChanged = false; 17943 if (DEBUG_REMOVE) { 17944 Slog.d(TAG, "Propagating install state across reinstall"); 17945 } 17946 for (int userId : allUserHandles) { 17947 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17948 if (DEBUG_REMOVE) { 17949 Slog.d(TAG, " user " + userId + " => " + installed); 17950 } 17951 if (installed != ps.getInstalled(userId)) { 17952 installedStateChanged = true; 17953 } 17954 ps.setInstalled(installed, userId); 17955 17956 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17957 } 17958 // Regardless of writeSettings we need to ensure that this restriction 17959 // state propagation is persisted 17960 mSettings.writeAllUsersPackageRestrictionsLPr(); 17961 if (installedStateChanged) { 17962 mSettings.writeKernelMappingLPr(ps); 17963 } 17964 } 17965 // can downgrade to reader here 17966 if (writeSettings) { 17967 mSettings.writeLPr(); 17968 } 17969 } 17970 return true; 17971 } 17972 17973 private boolean deleteInstalledPackageLIF(PackageSetting ps, 17974 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 17975 PackageRemovedInfo outInfo, boolean writeSettings, 17976 PackageParser.Package replacingPackage) { 17977 synchronized (mPackages) { 17978 if (outInfo != null) { 17979 outInfo.uid = ps.appId; 17980 } 17981 17982 if (outInfo != null && outInfo.removedChildPackages != null) { 17983 final int childCount = (ps.childPackageNames != null) 17984 ? ps.childPackageNames.size() : 0; 17985 for (int i = 0; i < childCount; i++) { 17986 String childPackageName = ps.childPackageNames.get(i); 17987 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 17988 if (childPs == null) { 17989 return false; 17990 } 17991 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17992 childPackageName); 17993 if (childInfo != null) { 17994 childInfo.uid = childPs.appId; 17995 } 17996 } 17997 } 17998 } 17999 18000 // Delete package data from internal structures and also remove data if flag is set 18001 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 18002 18003 // Delete the child packages data 18004 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 18005 for (int i = 0; i < childCount; i++) { 18006 PackageSetting childPs; 18007 synchronized (mPackages) { 18008 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 18009 } 18010 if (childPs != null) { 18011 PackageRemovedInfo childOutInfo = (outInfo != null 18012 && outInfo.removedChildPackages != null) 18013 ? outInfo.removedChildPackages.get(childPs.name) : null; 18014 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 18015 && (replacingPackage != null 18016 && !replacingPackage.hasChildPackage(childPs.name)) 18017 ? flags & ~DELETE_KEEP_DATA : flags; 18018 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 18019 deleteFlags, writeSettings); 18020 } 18021 } 18022 18023 // Delete application code and resources only for parent packages 18024 if (ps.parentPackageName == null) { 18025 if (deleteCodeAndResources && (outInfo != null)) { 18026 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 18027 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 18028 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 18029 } 18030 } 18031 18032 return true; 18033 } 18034 18035 @Override 18036 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 18037 int userId) { 18038 mContext.enforceCallingOrSelfPermission( 18039 android.Manifest.permission.DELETE_PACKAGES, null); 18040 synchronized (mPackages) { 18041 PackageSetting ps = mSettings.mPackages.get(packageName); 18042 if (ps == null) { 18043 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 18044 return false; 18045 } 18046 // Cannot block uninstall of static shared libs as they are 18047 // considered a part of the using app (emulating static linking). 18048 // Also static libs are installed always on internal storage. 18049 PackageParser.Package pkg = mPackages.get(packageName); 18050 if (pkg != null && pkg.staticSharedLibName != null) { 18051 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 18052 + " providing static shared library: " + pkg.staticSharedLibName); 18053 return false; 18054 } 18055 if (!ps.getInstalled(userId)) { 18056 // Can't block uninstall for an app that is not installed or enabled. 18057 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 18058 return false; 18059 } 18060 ps.setBlockUninstall(blockUninstall, userId); 18061 mSettings.writePackageRestrictionsLPr(userId); 18062 } 18063 return true; 18064 } 18065 18066 @Override 18067 public boolean getBlockUninstallForUser(String packageName, int userId) { 18068 synchronized (mPackages) { 18069 PackageSetting ps = mSettings.mPackages.get(packageName); 18070 if (ps == null) { 18071 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 18072 return false; 18073 } 18074 return ps.getBlockUninstall(userId); 18075 } 18076 } 18077 18078 @Override 18079 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 18080 int callingUid = Binder.getCallingUid(); 18081 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 18082 throw new SecurityException( 18083 "setRequiredForSystemUser can only be run by the system or root"); 18084 } 18085 synchronized (mPackages) { 18086 PackageSetting ps = mSettings.mPackages.get(packageName); 18087 if (ps == null) { 18088 Log.w(TAG, "Package doesn't exist: " + packageName); 18089 return false; 18090 } 18091 if (systemUserApp) { 18092 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18093 } else { 18094 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18095 } 18096 mSettings.writeLPr(); 18097 } 18098 return true; 18099 } 18100 18101 /* 18102 * This method handles package deletion in general 18103 */ 18104 private boolean deletePackageLIF(String packageName, UserHandle user, 18105 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 18106 PackageRemovedInfo outInfo, boolean writeSettings, 18107 PackageParser.Package replacingPackage) { 18108 if (packageName == null) { 18109 Slog.w(TAG, "Attempt to delete null packageName."); 18110 return false; 18111 } 18112 18113 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 18114 18115 PackageSetting ps; 18116 synchronized (mPackages) { 18117 ps = mSettings.mPackages.get(packageName); 18118 if (ps == null) { 18119 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18120 return false; 18121 } 18122 18123 if (ps.parentPackageName != null && (!isSystemApp(ps) 18124 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 18125 if (DEBUG_REMOVE) { 18126 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 18127 + ((user == null) ? UserHandle.USER_ALL : user)); 18128 } 18129 final int removedUserId = (user != null) ? user.getIdentifier() 18130 : UserHandle.USER_ALL; 18131 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 18132 return false; 18133 } 18134 markPackageUninstalledForUserLPw(ps, user); 18135 scheduleWritePackageRestrictionsLocked(user); 18136 return true; 18137 } 18138 } 18139 18140 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 18141 && user.getIdentifier() != UserHandle.USER_ALL)) { 18142 // The caller is asking that the package only be deleted for a single 18143 // user. To do this, we just mark its uninstalled state and delete 18144 // its data. If this is a system app, we only allow this to happen if 18145 // they have set the special DELETE_SYSTEM_APP which requests different 18146 // semantics than normal for uninstalling system apps. 18147 markPackageUninstalledForUserLPw(ps, user); 18148 18149 if (!isSystemApp(ps)) { 18150 // Do not uninstall the APK if an app should be cached 18151 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 18152 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 18153 // Other user still have this package installed, so all 18154 // we need to do is clear this user's data and save that 18155 // it is uninstalled. 18156 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 18157 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18158 return false; 18159 } 18160 scheduleWritePackageRestrictionsLocked(user); 18161 return true; 18162 } else { 18163 // We need to set it back to 'installed' so the uninstall 18164 // broadcasts will be sent correctly. 18165 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18166 ps.setInstalled(true, user.getIdentifier()); 18167 mSettings.writeKernelMappingLPr(ps); 18168 } 18169 } else { 18170 // This is a system app, so we assume that the 18171 // other users still have this package installed, so all 18172 // we need to do is clear this user's data and save that 18173 // it is uninstalled. 18174 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18175 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18176 return false; 18177 } 18178 scheduleWritePackageRestrictionsLocked(user); 18179 return true; 18180 } 18181 } 18182 18183 // If we are deleting a composite package for all users, keep track 18184 // of result for each child. 18185 if (ps.childPackageNames != null && outInfo != null) { 18186 synchronized (mPackages) { 18187 final int childCount = ps.childPackageNames.size(); 18188 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18189 for (int i = 0; i < childCount; i++) { 18190 String childPackageName = ps.childPackageNames.get(i); 18191 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 18192 childInfo.removedPackage = childPackageName; 18193 outInfo.removedChildPackages.put(childPackageName, childInfo); 18194 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18195 if (childPs != null) { 18196 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18197 } 18198 } 18199 } 18200 } 18201 18202 boolean ret = false; 18203 if (isSystemApp(ps)) { 18204 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18205 // When an updated system application is deleted we delete the existing resources 18206 // as well and fall back to existing code in system partition 18207 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18208 } else { 18209 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18210 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18211 outInfo, writeSettings, replacingPackage); 18212 } 18213 18214 // Take a note whether we deleted the package for all users 18215 if (outInfo != null) { 18216 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18217 if (outInfo.removedChildPackages != null) { 18218 synchronized (mPackages) { 18219 final int childCount = outInfo.removedChildPackages.size(); 18220 for (int i = 0; i < childCount; i++) { 18221 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18222 if (childInfo != null) { 18223 childInfo.removedForAllUsers = mPackages.get( 18224 childInfo.removedPackage) == null; 18225 } 18226 } 18227 } 18228 } 18229 // If we uninstalled an update to a system app there may be some 18230 // child packages that appeared as they are declared in the system 18231 // app but were not declared in the update. 18232 if (isSystemApp(ps)) { 18233 synchronized (mPackages) { 18234 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18235 final int childCount = (updatedPs.childPackageNames != null) 18236 ? updatedPs.childPackageNames.size() : 0; 18237 for (int i = 0; i < childCount; i++) { 18238 String childPackageName = updatedPs.childPackageNames.get(i); 18239 if (outInfo.removedChildPackages == null 18240 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18241 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18242 if (childPs == null) { 18243 continue; 18244 } 18245 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18246 installRes.name = childPackageName; 18247 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18248 installRes.pkg = mPackages.get(childPackageName); 18249 installRes.uid = childPs.pkg.applicationInfo.uid; 18250 if (outInfo.appearedChildPackages == null) { 18251 outInfo.appearedChildPackages = new ArrayMap<>(); 18252 } 18253 outInfo.appearedChildPackages.put(childPackageName, installRes); 18254 } 18255 } 18256 } 18257 } 18258 } 18259 18260 return ret; 18261 } 18262 18263 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18264 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18265 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18266 for (int nextUserId : userIds) { 18267 if (DEBUG_REMOVE) { 18268 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18269 } 18270 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18271 false /*installed*/, 18272 true /*stopped*/, 18273 true /*notLaunched*/, 18274 false /*hidden*/, 18275 false /*suspended*/, 18276 false /*instantApp*/, 18277 null /*lastDisableAppCaller*/, 18278 null /*enabledComponents*/, 18279 null /*disabledComponents*/, 18280 false /*blockUninstall*/, 18281 ps.readUserState(nextUserId).domainVerificationStatus, 18282 0, PackageManager.INSTALL_REASON_UNKNOWN); 18283 } 18284 mSettings.writeKernelMappingLPr(ps); 18285 } 18286 18287 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18288 PackageRemovedInfo outInfo) { 18289 final PackageParser.Package pkg; 18290 synchronized (mPackages) { 18291 pkg = mPackages.get(ps.name); 18292 } 18293 18294 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18295 : new int[] {userId}; 18296 for (int nextUserId : userIds) { 18297 if (DEBUG_REMOVE) { 18298 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18299 + nextUserId); 18300 } 18301 18302 destroyAppDataLIF(pkg, userId, 18303 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18304 destroyAppProfilesLIF(pkg, userId); 18305 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18306 schedulePackageCleaning(ps.name, nextUserId, false); 18307 synchronized (mPackages) { 18308 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18309 scheduleWritePackageRestrictionsLocked(nextUserId); 18310 } 18311 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18312 } 18313 } 18314 18315 if (outInfo != null) { 18316 outInfo.removedPackage = ps.name; 18317 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18318 outInfo.removedAppId = ps.appId; 18319 outInfo.removedUsers = userIds; 18320 } 18321 18322 return true; 18323 } 18324 18325 private final class ClearStorageConnection implements ServiceConnection { 18326 IMediaContainerService mContainerService; 18327 18328 @Override 18329 public void onServiceConnected(ComponentName name, IBinder service) { 18330 synchronized (this) { 18331 mContainerService = IMediaContainerService.Stub 18332 .asInterface(Binder.allowBlocking(service)); 18333 notifyAll(); 18334 } 18335 } 18336 18337 @Override 18338 public void onServiceDisconnected(ComponentName name) { 18339 } 18340 } 18341 18342 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 18343 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 18344 18345 final boolean mounted; 18346 if (Environment.isExternalStorageEmulated()) { 18347 mounted = true; 18348 } else { 18349 final String status = Environment.getExternalStorageState(); 18350 18351 mounted = status.equals(Environment.MEDIA_MOUNTED) 18352 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 18353 } 18354 18355 if (!mounted) { 18356 return; 18357 } 18358 18359 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 18360 int[] users; 18361 if (userId == UserHandle.USER_ALL) { 18362 users = sUserManager.getUserIds(); 18363 } else { 18364 users = new int[] { userId }; 18365 } 18366 final ClearStorageConnection conn = new ClearStorageConnection(); 18367 if (mContext.bindServiceAsUser( 18368 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 18369 try { 18370 for (int curUser : users) { 18371 long timeout = SystemClock.uptimeMillis() + 5000; 18372 synchronized (conn) { 18373 long now; 18374 while (conn.mContainerService == null && 18375 (now = SystemClock.uptimeMillis()) < timeout) { 18376 try { 18377 conn.wait(timeout - now); 18378 } catch (InterruptedException e) { 18379 } 18380 } 18381 } 18382 if (conn.mContainerService == null) { 18383 return; 18384 } 18385 18386 final UserEnvironment userEnv = new UserEnvironment(curUser); 18387 clearDirectory(conn.mContainerService, 18388 userEnv.buildExternalStorageAppCacheDirs(packageName)); 18389 if (allData) { 18390 clearDirectory(conn.mContainerService, 18391 userEnv.buildExternalStorageAppDataDirs(packageName)); 18392 clearDirectory(conn.mContainerService, 18393 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18394 } 18395 } 18396 } finally { 18397 mContext.unbindService(conn); 18398 } 18399 } 18400 } 18401 18402 @Override 18403 public void clearApplicationProfileData(String packageName) { 18404 enforceSystemOrRoot("Only the system can clear all profile data"); 18405 18406 final PackageParser.Package pkg; 18407 synchronized (mPackages) { 18408 pkg = mPackages.get(packageName); 18409 } 18410 18411 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18412 synchronized (mInstallLock) { 18413 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18414 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 18415 true /* removeBaseMarker */); 18416 } 18417 } 18418 } 18419 18420 @Override 18421 public void clearApplicationUserData(final String packageName, 18422 final IPackageDataObserver observer, final int userId) { 18423 mContext.enforceCallingOrSelfPermission( 18424 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18425 18426 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18427 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18428 18429 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18430 throw new SecurityException("Cannot clear data for a protected package: " 18431 + packageName); 18432 } 18433 // Queue up an async operation since the package deletion may take a little while. 18434 mHandler.post(new Runnable() { 18435 public void run() { 18436 mHandler.removeCallbacks(this); 18437 final boolean succeeded; 18438 try (PackageFreezer freezer = freezePackage(packageName, 18439 "clearApplicationUserData")) { 18440 synchronized (mInstallLock) { 18441 succeeded = clearApplicationUserDataLIF(packageName, userId); 18442 } 18443 clearExternalStorageDataSync(packageName, userId, true); 18444 synchronized (mPackages) { 18445 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 18446 packageName, userId); 18447 } 18448 } 18449 if (succeeded) { 18450 // invoke DeviceStorageMonitor's update method to clear any notifications 18451 DeviceStorageMonitorInternal dsm = LocalServices 18452 .getService(DeviceStorageMonitorInternal.class); 18453 if (dsm != null) { 18454 dsm.checkMemory(); 18455 } 18456 } 18457 if(observer != null) { 18458 try { 18459 observer.onRemoveCompleted(packageName, succeeded); 18460 } catch (RemoteException e) { 18461 Log.i(TAG, "Observer no longer exists."); 18462 } 18463 } //end if observer 18464 } //end run 18465 }); 18466 } 18467 18468 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18469 if (packageName == null) { 18470 Slog.w(TAG, "Attempt to delete null packageName."); 18471 return false; 18472 } 18473 18474 // Try finding details about the requested package 18475 PackageParser.Package pkg; 18476 synchronized (mPackages) { 18477 pkg = mPackages.get(packageName); 18478 if (pkg == null) { 18479 final PackageSetting ps = mSettings.mPackages.get(packageName); 18480 if (ps != null) { 18481 pkg = ps.pkg; 18482 } 18483 } 18484 18485 if (pkg == null) { 18486 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18487 return false; 18488 } 18489 18490 PackageSetting ps = (PackageSetting) pkg.mExtras; 18491 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18492 } 18493 18494 clearAppDataLIF(pkg, userId, 18495 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18496 18497 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18498 removeKeystoreDataIfNeeded(userId, appId); 18499 18500 UserManagerInternal umInternal = getUserManagerInternal(); 18501 final int flags; 18502 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18503 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18504 } else if (umInternal.isUserRunning(userId)) { 18505 flags = StorageManager.FLAG_STORAGE_DE; 18506 } else { 18507 flags = 0; 18508 } 18509 prepareAppDataContentsLIF(pkg, userId, flags); 18510 18511 return true; 18512 } 18513 18514 /** 18515 * Reverts user permission state changes (permissions and flags) in 18516 * all packages for a given user. 18517 * 18518 * @param userId The device user for which to do a reset. 18519 */ 18520 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18521 final int packageCount = mPackages.size(); 18522 for (int i = 0; i < packageCount; i++) { 18523 PackageParser.Package pkg = mPackages.valueAt(i); 18524 PackageSetting ps = (PackageSetting) pkg.mExtras; 18525 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18526 } 18527 } 18528 18529 private void resetNetworkPolicies(int userId) { 18530 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18531 } 18532 18533 /** 18534 * Reverts user permission state changes (permissions and flags). 18535 * 18536 * @param ps The package for which to reset. 18537 * @param userId The device user for which to do a reset. 18538 */ 18539 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18540 final PackageSetting ps, final int userId) { 18541 if (ps.pkg == null) { 18542 return; 18543 } 18544 18545 // These are flags that can change base on user actions. 18546 final int userSettableMask = FLAG_PERMISSION_USER_SET 18547 | FLAG_PERMISSION_USER_FIXED 18548 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18549 | FLAG_PERMISSION_REVIEW_REQUIRED; 18550 18551 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18552 | FLAG_PERMISSION_POLICY_FIXED; 18553 18554 boolean writeInstallPermissions = false; 18555 boolean writeRuntimePermissions = false; 18556 18557 final int permissionCount = ps.pkg.requestedPermissions.size(); 18558 for (int i = 0; i < permissionCount; i++) { 18559 String permission = ps.pkg.requestedPermissions.get(i); 18560 18561 BasePermission bp = mSettings.mPermissions.get(permission); 18562 if (bp == null) { 18563 continue; 18564 } 18565 18566 // If shared user we just reset the state to which only this app contributed. 18567 if (ps.sharedUser != null) { 18568 boolean used = false; 18569 final int packageCount = ps.sharedUser.packages.size(); 18570 for (int j = 0; j < packageCount; j++) { 18571 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18572 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18573 && pkg.pkg.requestedPermissions.contains(permission)) { 18574 used = true; 18575 break; 18576 } 18577 } 18578 if (used) { 18579 continue; 18580 } 18581 } 18582 18583 PermissionsState permissionsState = ps.getPermissionsState(); 18584 18585 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 18586 18587 // Always clear the user settable flags. 18588 final boolean hasInstallState = permissionsState.getInstallPermissionState( 18589 bp.name) != null; 18590 // If permission review is enabled and this is a legacy app, mark the 18591 // permission as requiring a review as this is the initial state. 18592 int flags = 0; 18593 if (mPermissionReviewRequired 18594 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18595 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18596 } 18597 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18598 if (hasInstallState) { 18599 writeInstallPermissions = true; 18600 } else { 18601 writeRuntimePermissions = true; 18602 } 18603 } 18604 18605 // Below is only runtime permission handling. 18606 if (!bp.isRuntime()) { 18607 continue; 18608 } 18609 18610 // Never clobber system or policy. 18611 if ((oldFlags & policyOrSystemFlags) != 0) { 18612 continue; 18613 } 18614 18615 // If this permission was granted by default, make sure it is. 18616 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18617 if (permissionsState.grantRuntimePermission(bp, userId) 18618 != PERMISSION_OPERATION_FAILURE) { 18619 writeRuntimePermissions = true; 18620 } 18621 // If permission review is enabled the permissions for a legacy apps 18622 // are represented as constantly granted runtime ones, so don't revoke. 18623 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18624 // Otherwise, reset the permission. 18625 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18626 switch (revokeResult) { 18627 case PERMISSION_OPERATION_SUCCESS: 18628 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18629 writeRuntimePermissions = true; 18630 final int appId = ps.appId; 18631 mHandler.post(new Runnable() { 18632 @Override 18633 public void run() { 18634 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18635 } 18636 }); 18637 } break; 18638 } 18639 } 18640 } 18641 18642 // Synchronously write as we are taking permissions away. 18643 if (writeRuntimePermissions) { 18644 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18645 } 18646 18647 // Synchronously write as we are taking permissions away. 18648 if (writeInstallPermissions) { 18649 mSettings.writeLPr(); 18650 } 18651 } 18652 18653 /** 18654 * Remove entries from the keystore daemon. Will only remove it if the 18655 * {@code appId} is valid. 18656 */ 18657 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18658 if (appId < 0) { 18659 return; 18660 } 18661 18662 final KeyStore keyStore = KeyStore.getInstance(); 18663 if (keyStore != null) { 18664 if (userId == UserHandle.USER_ALL) { 18665 for (final int individual : sUserManager.getUserIds()) { 18666 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18667 } 18668 } else { 18669 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18670 } 18671 } else { 18672 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18673 } 18674 } 18675 18676 @Override 18677 public void deleteApplicationCacheFiles(final String packageName, 18678 final IPackageDataObserver observer) { 18679 final int userId = UserHandle.getCallingUserId(); 18680 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18681 } 18682 18683 @Override 18684 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18685 final IPackageDataObserver observer) { 18686 mContext.enforceCallingOrSelfPermission( 18687 android.Manifest.permission.DELETE_CACHE_FILES, null); 18688 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18689 /* requireFullPermission= */ true, /* checkShell= */ false, 18690 "delete application cache files"); 18691 18692 final PackageParser.Package pkg; 18693 synchronized (mPackages) { 18694 pkg = mPackages.get(packageName); 18695 } 18696 18697 // Queue up an async operation since the package deletion may take a little while. 18698 mHandler.post(new Runnable() { 18699 public void run() { 18700 synchronized (mInstallLock) { 18701 final int flags = StorageManager.FLAG_STORAGE_DE 18702 | StorageManager.FLAG_STORAGE_CE; 18703 // We're only clearing cache files, so we don't care if the 18704 // app is unfrozen and still able to run 18705 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18706 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18707 } 18708 clearExternalStorageDataSync(packageName, userId, false); 18709 if (observer != null) { 18710 try { 18711 observer.onRemoveCompleted(packageName, true); 18712 } catch (RemoteException e) { 18713 Log.i(TAG, "Observer no longer exists."); 18714 } 18715 } 18716 } 18717 }); 18718 } 18719 18720 @Override 18721 public void getPackageSizeInfo(final String packageName, int userHandle, 18722 final IPackageStatsObserver observer) { 18723 Slog.w(TAG, "Shame on you for calling a hidden API. Shame!"); 18724 try { 18725 observer.onGetStatsCompleted(null, false); 18726 } catch (RemoteException ignored) { 18727 } 18728 } 18729 18730 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18731 final PackageSetting ps; 18732 synchronized (mPackages) { 18733 ps = mSettings.mPackages.get(packageName); 18734 if (ps == null) { 18735 Slog.w(TAG, "Failed to find settings for " + packageName); 18736 return false; 18737 } 18738 } 18739 18740 final String[] packageNames = { packageName }; 18741 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18742 final String[] codePaths = { ps.codePathString }; 18743 18744 try { 18745 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18746 ps.appId, ceDataInodes, codePaths, stats); 18747 18748 // For now, ignore code size of packages on system partition 18749 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 18750 stats.codeSize = 0; 18751 } 18752 18753 // External clients expect these to be tracked separately 18754 stats.dataSize -= stats.cacheSize; 18755 18756 } catch (InstallerException e) { 18757 Slog.w(TAG, String.valueOf(e)); 18758 return false; 18759 } 18760 18761 return true; 18762 } 18763 18764 private int getUidTargetSdkVersionLockedLPr(int uid) { 18765 Object obj = mSettings.getUserIdLPr(uid); 18766 if (obj instanceof SharedUserSetting) { 18767 final SharedUserSetting sus = (SharedUserSetting) obj; 18768 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 18769 final Iterator<PackageSetting> it = sus.packages.iterator(); 18770 while (it.hasNext()) { 18771 final PackageSetting ps = it.next(); 18772 if (ps.pkg != null) { 18773 int v = ps.pkg.applicationInfo.targetSdkVersion; 18774 if (v < vers) vers = v; 18775 } 18776 } 18777 return vers; 18778 } else if (obj instanceof PackageSetting) { 18779 final PackageSetting ps = (PackageSetting) obj; 18780 if (ps.pkg != null) { 18781 return ps.pkg.applicationInfo.targetSdkVersion; 18782 } 18783 } 18784 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18785 } 18786 18787 @Override 18788 public void addPreferredActivity(IntentFilter filter, int match, 18789 ComponentName[] set, ComponentName activity, int userId) { 18790 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18791 "Adding preferred"); 18792 } 18793 18794 private void addPreferredActivityInternal(IntentFilter filter, int match, 18795 ComponentName[] set, ComponentName activity, boolean always, int userId, 18796 String opname) { 18797 // writer 18798 int callingUid = Binder.getCallingUid(); 18799 enforceCrossUserPermission(callingUid, userId, 18800 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 18801 if (filter.countActions() == 0) { 18802 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18803 return; 18804 } 18805 synchronized (mPackages) { 18806 if (mContext.checkCallingOrSelfPermission( 18807 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18808 != PackageManager.PERMISSION_GRANTED) { 18809 if (getUidTargetSdkVersionLockedLPr(callingUid) 18810 < Build.VERSION_CODES.FROYO) { 18811 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 18812 + callingUid); 18813 return; 18814 } 18815 mContext.enforceCallingOrSelfPermission( 18816 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18817 } 18818 18819 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 18820 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 18821 + userId + ":"); 18822 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18823 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 18824 scheduleWritePackageRestrictionsLocked(userId); 18825 postPreferredActivityChangedBroadcast(userId); 18826 } 18827 } 18828 18829 private void postPreferredActivityChangedBroadcast(int userId) { 18830 mHandler.post(() -> { 18831 final IActivityManager am = ActivityManager.getService(); 18832 if (am == null) { 18833 return; 18834 } 18835 18836 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 18837 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18838 try { 18839 am.broadcastIntent(null, intent, null, null, 18840 0, null, null, null, android.app.AppOpsManager.OP_NONE, 18841 null, false, false, userId); 18842 } catch (RemoteException e) { 18843 } 18844 }); 18845 } 18846 18847 @Override 18848 public void replacePreferredActivity(IntentFilter filter, int match, 18849 ComponentName[] set, ComponentName activity, int userId) { 18850 if (filter.countActions() != 1) { 18851 throw new IllegalArgumentException( 18852 "replacePreferredActivity expects filter to have only 1 action."); 18853 } 18854 if (filter.countDataAuthorities() != 0 18855 || filter.countDataPaths() != 0 18856 || filter.countDataSchemes() > 1 18857 || filter.countDataTypes() != 0) { 18858 throw new IllegalArgumentException( 18859 "replacePreferredActivity expects filter to have no data authorities, " + 18860 "paths, or types; and at most one scheme."); 18861 } 18862 18863 final int callingUid = Binder.getCallingUid(); 18864 enforceCrossUserPermission(callingUid, userId, 18865 true /* requireFullPermission */, false /* checkShell */, 18866 "replace preferred activity"); 18867 synchronized (mPackages) { 18868 if (mContext.checkCallingOrSelfPermission( 18869 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18870 != PackageManager.PERMISSION_GRANTED) { 18871 if (getUidTargetSdkVersionLockedLPr(callingUid) 18872 < Build.VERSION_CODES.FROYO) { 18873 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 18874 + Binder.getCallingUid()); 18875 return; 18876 } 18877 mContext.enforceCallingOrSelfPermission( 18878 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18879 } 18880 18881 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18882 if (pir != null) { 18883 // Get all of the existing entries that exactly match this filter. 18884 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 18885 if (existing != null && existing.size() == 1) { 18886 PreferredActivity cur = existing.get(0); 18887 if (DEBUG_PREFERRED) { 18888 Slog.i(TAG, "Checking replace of preferred:"); 18889 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18890 if (!cur.mPref.mAlways) { 18891 Slog.i(TAG, " -- CUR; not mAlways!"); 18892 } else { 18893 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 18894 Slog.i(TAG, " -- CUR: mSet=" 18895 + Arrays.toString(cur.mPref.mSetComponents)); 18896 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 18897 Slog.i(TAG, " -- NEW: mMatch=" 18898 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 18899 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 18900 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 18901 } 18902 } 18903 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 18904 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 18905 && cur.mPref.sameSet(set)) { 18906 // Setting the preferred activity to what it happens to be already 18907 if (DEBUG_PREFERRED) { 18908 Slog.i(TAG, "Replacing with same preferred activity " 18909 + cur.mPref.mShortComponent + " for user " 18910 + userId + ":"); 18911 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18912 } 18913 return; 18914 } 18915 } 18916 18917 if (existing != null) { 18918 if (DEBUG_PREFERRED) { 18919 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 18920 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18921 } 18922 for (int i = 0; i < existing.size(); i++) { 18923 PreferredActivity pa = existing.get(i); 18924 if (DEBUG_PREFERRED) { 18925 Slog.i(TAG, "Removing existing preferred activity " 18926 + pa.mPref.mComponent + ":"); 18927 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 18928 } 18929 pir.removeFilter(pa); 18930 } 18931 } 18932 } 18933 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18934 "Replacing preferred"); 18935 } 18936 } 18937 18938 @Override 18939 public void clearPackagePreferredActivities(String packageName) { 18940 final int uid = Binder.getCallingUid(); 18941 // writer 18942 synchronized (mPackages) { 18943 PackageParser.Package pkg = mPackages.get(packageName); 18944 if (pkg == null || pkg.applicationInfo.uid != uid) { 18945 if (mContext.checkCallingOrSelfPermission( 18946 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18947 != PackageManager.PERMISSION_GRANTED) { 18948 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 18949 < Build.VERSION_CODES.FROYO) { 18950 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 18951 + Binder.getCallingUid()); 18952 return; 18953 } 18954 mContext.enforceCallingOrSelfPermission( 18955 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18956 } 18957 } 18958 18959 int user = UserHandle.getCallingUserId(); 18960 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 18961 scheduleWritePackageRestrictionsLocked(user); 18962 } 18963 } 18964 } 18965 18966 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18967 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 18968 ArrayList<PreferredActivity> removed = null; 18969 boolean changed = false; 18970 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18971 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 18972 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18973 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 18974 continue; 18975 } 18976 Iterator<PreferredActivity> it = pir.filterIterator(); 18977 while (it.hasNext()) { 18978 PreferredActivity pa = it.next(); 18979 // Mark entry for removal only if it matches the package name 18980 // and the entry is of type "always". 18981 if (packageName == null || 18982 (pa.mPref.mComponent.getPackageName().equals(packageName) 18983 && pa.mPref.mAlways)) { 18984 if (removed == null) { 18985 removed = new ArrayList<PreferredActivity>(); 18986 } 18987 removed.add(pa); 18988 } 18989 } 18990 if (removed != null) { 18991 for (int j=0; j<removed.size(); j++) { 18992 PreferredActivity pa = removed.get(j); 18993 pir.removeFilter(pa); 18994 } 18995 changed = true; 18996 } 18997 } 18998 if (changed) { 18999 postPreferredActivityChangedBroadcast(userId); 19000 } 19001 return changed; 19002 } 19003 19004 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19005 private void clearIntentFilterVerificationsLPw(int userId) { 19006 final int packageCount = mPackages.size(); 19007 for (int i = 0; i < packageCount; i++) { 19008 PackageParser.Package pkg = mPackages.valueAt(i); 19009 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 19010 } 19011 } 19012 19013 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19014 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 19015 if (userId == UserHandle.USER_ALL) { 19016 if (mSettings.removeIntentFilterVerificationLPw(packageName, 19017 sUserManager.getUserIds())) { 19018 for (int oneUserId : sUserManager.getUserIds()) { 19019 scheduleWritePackageRestrictionsLocked(oneUserId); 19020 } 19021 } 19022 } else { 19023 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 19024 scheduleWritePackageRestrictionsLocked(userId); 19025 } 19026 } 19027 } 19028 19029 void clearDefaultBrowserIfNeeded(String packageName) { 19030 for (int oneUserId : sUserManager.getUserIds()) { 19031 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 19032 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 19033 if (packageName.equals(defaultBrowserPackageName)) { 19034 setDefaultBrowserPackageName(null, oneUserId); 19035 } 19036 } 19037 } 19038 19039 @Override 19040 public void resetApplicationPreferences(int userId) { 19041 mContext.enforceCallingOrSelfPermission( 19042 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19043 final long identity = Binder.clearCallingIdentity(); 19044 // writer 19045 try { 19046 synchronized (mPackages) { 19047 clearPackagePreferredActivitiesLPw(null, userId); 19048 mSettings.applyDefaultPreferredAppsLPw(this, userId); 19049 // TODO: We have to reset the default SMS and Phone. This requires 19050 // significant refactoring to keep all default apps in the package 19051 // manager (cleaner but more work) or have the services provide 19052 // callbacks to the package manager to request a default app reset. 19053 applyFactoryDefaultBrowserLPw(userId); 19054 clearIntentFilterVerificationsLPw(userId); 19055 primeDomainVerificationsLPw(userId); 19056 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 19057 scheduleWritePackageRestrictionsLocked(userId); 19058 } 19059 resetNetworkPolicies(userId); 19060 } finally { 19061 Binder.restoreCallingIdentity(identity); 19062 } 19063 } 19064 19065 @Override 19066 public int getPreferredActivities(List<IntentFilter> outFilters, 19067 List<ComponentName> outActivities, String packageName) { 19068 19069 int num = 0; 19070 final int userId = UserHandle.getCallingUserId(); 19071 // reader 19072 synchronized (mPackages) { 19073 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19074 if (pir != null) { 19075 final Iterator<PreferredActivity> it = pir.filterIterator(); 19076 while (it.hasNext()) { 19077 final PreferredActivity pa = it.next(); 19078 if (packageName == null 19079 || (pa.mPref.mComponent.getPackageName().equals(packageName) 19080 && pa.mPref.mAlways)) { 19081 if (outFilters != null) { 19082 outFilters.add(new IntentFilter(pa)); 19083 } 19084 if (outActivities != null) { 19085 outActivities.add(pa.mPref.mComponent); 19086 } 19087 } 19088 } 19089 } 19090 } 19091 19092 return num; 19093 } 19094 19095 @Override 19096 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 19097 int userId) { 19098 int callingUid = Binder.getCallingUid(); 19099 if (callingUid != Process.SYSTEM_UID) { 19100 throw new SecurityException( 19101 "addPersistentPreferredActivity can only be run by the system"); 19102 } 19103 if (filter.countActions() == 0) { 19104 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19105 return; 19106 } 19107 synchronized (mPackages) { 19108 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 19109 ":"); 19110 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19111 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 19112 new PersistentPreferredActivity(filter, activity)); 19113 scheduleWritePackageRestrictionsLocked(userId); 19114 postPreferredActivityChangedBroadcast(userId); 19115 } 19116 } 19117 19118 @Override 19119 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 19120 int callingUid = Binder.getCallingUid(); 19121 if (callingUid != Process.SYSTEM_UID) { 19122 throw new SecurityException( 19123 "clearPackagePersistentPreferredActivities can only be run by the system"); 19124 } 19125 ArrayList<PersistentPreferredActivity> removed = null; 19126 boolean changed = false; 19127 synchronized (mPackages) { 19128 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 19129 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 19130 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 19131 .valueAt(i); 19132 if (userId != thisUserId) { 19133 continue; 19134 } 19135 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 19136 while (it.hasNext()) { 19137 PersistentPreferredActivity ppa = it.next(); 19138 // Mark entry for removal only if it matches the package name. 19139 if (ppa.mComponent.getPackageName().equals(packageName)) { 19140 if (removed == null) { 19141 removed = new ArrayList<PersistentPreferredActivity>(); 19142 } 19143 removed.add(ppa); 19144 } 19145 } 19146 if (removed != null) { 19147 for (int j=0; j<removed.size(); j++) { 19148 PersistentPreferredActivity ppa = removed.get(j); 19149 ppir.removeFilter(ppa); 19150 } 19151 changed = true; 19152 } 19153 } 19154 19155 if (changed) { 19156 scheduleWritePackageRestrictionsLocked(userId); 19157 postPreferredActivityChangedBroadcast(userId); 19158 } 19159 } 19160 } 19161 19162 /** 19163 * Common machinery for picking apart a restored XML blob and passing 19164 * it to a caller-supplied functor to be applied to the running system. 19165 */ 19166 private void restoreFromXml(XmlPullParser parser, int userId, 19167 String expectedStartTag, BlobXmlRestorer functor) 19168 throws IOException, XmlPullParserException { 19169 int type; 19170 while ((type = parser.next()) != XmlPullParser.START_TAG 19171 && type != XmlPullParser.END_DOCUMENT) { 19172 } 19173 if (type != XmlPullParser.START_TAG) { 19174 // oops didn't find a start tag?! 19175 if (DEBUG_BACKUP) { 19176 Slog.e(TAG, "Didn't find start tag during restore"); 19177 } 19178 return; 19179 } 19180Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 19181 // this is supposed to be TAG_PREFERRED_BACKUP 19182 if (!expectedStartTag.equals(parser.getName())) { 19183 if (DEBUG_BACKUP) { 19184 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 19185 } 19186 return; 19187 } 19188 19189 // skip interfering stuff, then we're aligned with the backing implementation 19190 while ((type = parser.next()) == XmlPullParser.TEXT) { } 19191Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 19192 functor.apply(parser, userId); 19193 } 19194 19195 private interface BlobXmlRestorer { 19196 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 19197 } 19198 19199 /** 19200 * Non-Binder method, support for the backup/restore mechanism: write the 19201 * full set of preferred activities in its canonical XML format. Returns the 19202 * XML output as a byte array, or null if there is none. 19203 */ 19204 @Override 19205 public byte[] getPreferredActivityBackup(int userId) { 19206 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19207 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 19208 } 19209 19210 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19211 try { 19212 final XmlSerializer serializer = new FastXmlSerializer(); 19213 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19214 serializer.startDocument(null, true); 19215 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19216 19217 synchronized (mPackages) { 19218 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19219 } 19220 19221 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19222 serializer.endDocument(); 19223 serializer.flush(); 19224 } catch (Exception e) { 19225 if (DEBUG_BACKUP) { 19226 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19227 } 19228 return null; 19229 } 19230 19231 return dataStream.toByteArray(); 19232 } 19233 19234 @Override 19235 public void restorePreferredActivities(byte[] backup, int userId) { 19236 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19237 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19238 } 19239 19240 try { 19241 final XmlPullParser parser = Xml.newPullParser(); 19242 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19243 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19244 new BlobXmlRestorer() { 19245 @Override 19246 public void apply(XmlPullParser parser, int userId) 19247 throws XmlPullParserException, IOException { 19248 synchronized (mPackages) { 19249 mSettings.readPreferredActivitiesLPw(parser, userId); 19250 } 19251 } 19252 } ); 19253 } catch (Exception e) { 19254 if (DEBUG_BACKUP) { 19255 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19256 } 19257 } 19258 } 19259 19260 /** 19261 * Non-Binder method, support for the backup/restore mechanism: write the 19262 * default browser (etc) settings in its canonical XML format. Returns the default 19263 * browser XML representation as a byte array, or null if there is none. 19264 */ 19265 @Override 19266 public byte[] getDefaultAppsBackup(int userId) { 19267 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19268 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19269 } 19270 19271 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19272 try { 19273 final XmlSerializer serializer = new FastXmlSerializer(); 19274 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19275 serializer.startDocument(null, true); 19276 serializer.startTag(null, TAG_DEFAULT_APPS); 19277 19278 synchronized (mPackages) { 19279 mSettings.writeDefaultAppsLPr(serializer, userId); 19280 } 19281 19282 serializer.endTag(null, TAG_DEFAULT_APPS); 19283 serializer.endDocument(); 19284 serializer.flush(); 19285 } catch (Exception e) { 19286 if (DEBUG_BACKUP) { 19287 Slog.e(TAG, "Unable to write default apps for backup", e); 19288 } 19289 return null; 19290 } 19291 19292 return dataStream.toByteArray(); 19293 } 19294 19295 @Override 19296 public void restoreDefaultApps(byte[] backup, int userId) { 19297 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19298 throw new SecurityException("Only the system may call restoreDefaultApps()"); 19299 } 19300 19301 try { 19302 final XmlPullParser parser = Xml.newPullParser(); 19303 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19304 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 19305 new BlobXmlRestorer() { 19306 @Override 19307 public void apply(XmlPullParser parser, int userId) 19308 throws XmlPullParserException, IOException { 19309 synchronized (mPackages) { 19310 mSettings.readDefaultAppsLPw(parser, userId); 19311 } 19312 } 19313 } ); 19314 } catch (Exception e) { 19315 if (DEBUG_BACKUP) { 19316 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 19317 } 19318 } 19319 } 19320 19321 @Override 19322 public byte[] getIntentFilterVerificationBackup(int userId) { 19323 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19324 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 19325 } 19326 19327 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19328 try { 19329 final XmlSerializer serializer = new FastXmlSerializer(); 19330 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19331 serializer.startDocument(null, true); 19332 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 19333 19334 synchronized (mPackages) { 19335 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 19336 } 19337 19338 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 19339 serializer.endDocument(); 19340 serializer.flush(); 19341 } catch (Exception e) { 19342 if (DEBUG_BACKUP) { 19343 Slog.e(TAG, "Unable to write default apps for backup", e); 19344 } 19345 return null; 19346 } 19347 19348 return dataStream.toByteArray(); 19349 } 19350 19351 @Override 19352 public void restoreIntentFilterVerification(byte[] backup, int userId) { 19353 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19354 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19355 } 19356 19357 try { 19358 final XmlPullParser parser = Xml.newPullParser(); 19359 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19360 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 19361 new BlobXmlRestorer() { 19362 @Override 19363 public void apply(XmlPullParser parser, int userId) 19364 throws XmlPullParserException, IOException { 19365 synchronized (mPackages) { 19366 mSettings.readAllDomainVerificationsLPr(parser, userId); 19367 mSettings.writeLPr(); 19368 } 19369 } 19370 } ); 19371 } catch (Exception e) { 19372 if (DEBUG_BACKUP) { 19373 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19374 } 19375 } 19376 } 19377 19378 @Override 19379 public byte[] getPermissionGrantBackup(int userId) { 19380 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19381 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19382 } 19383 19384 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19385 try { 19386 final XmlSerializer serializer = new FastXmlSerializer(); 19387 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19388 serializer.startDocument(null, true); 19389 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19390 19391 synchronized (mPackages) { 19392 serializeRuntimePermissionGrantsLPr(serializer, userId); 19393 } 19394 19395 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19396 serializer.endDocument(); 19397 serializer.flush(); 19398 } catch (Exception e) { 19399 if (DEBUG_BACKUP) { 19400 Slog.e(TAG, "Unable to write default apps for backup", e); 19401 } 19402 return null; 19403 } 19404 19405 return dataStream.toByteArray(); 19406 } 19407 19408 @Override 19409 public void restorePermissionGrants(byte[] backup, int userId) { 19410 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19411 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19412 } 19413 19414 try { 19415 final XmlPullParser parser = Xml.newPullParser(); 19416 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19417 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19418 new BlobXmlRestorer() { 19419 @Override 19420 public void apply(XmlPullParser parser, int userId) 19421 throws XmlPullParserException, IOException { 19422 synchronized (mPackages) { 19423 processRestoredPermissionGrantsLPr(parser, userId); 19424 } 19425 } 19426 } ); 19427 } catch (Exception e) { 19428 if (DEBUG_BACKUP) { 19429 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19430 } 19431 } 19432 } 19433 19434 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19435 throws IOException { 19436 serializer.startTag(null, TAG_ALL_GRANTS); 19437 19438 final int N = mSettings.mPackages.size(); 19439 for (int i = 0; i < N; i++) { 19440 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19441 boolean pkgGrantsKnown = false; 19442 19443 PermissionsState packagePerms = ps.getPermissionsState(); 19444 19445 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19446 final int grantFlags = state.getFlags(); 19447 // only look at grants that are not system/policy fixed 19448 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19449 final boolean isGranted = state.isGranted(); 19450 // And only back up the user-twiddled state bits 19451 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19452 final String packageName = mSettings.mPackages.keyAt(i); 19453 if (!pkgGrantsKnown) { 19454 serializer.startTag(null, TAG_GRANT); 19455 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19456 pkgGrantsKnown = true; 19457 } 19458 19459 final boolean userSet = 19460 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19461 final boolean userFixed = 19462 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19463 final boolean revoke = 19464 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19465 19466 serializer.startTag(null, TAG_PERMISSION); 19467 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19468 if (isGranted) { 19469 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19470 } 19471 if (userSet) { 19472 serializer.attribute(null, ATTR_USER_SET, "true"); 19473 } 19474 if (userFixed) { 19475 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19476 } 19477 if (revoke) { 19478 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19479 } 19480 serializer.endTag(null, TAG_PERMISSION); 19481 } 19482 } 19483 } 19484 19485 if (pkgGrantsKnown) { 19486 serializer.endTag(null, TAG_GRANT); 19487 } 19488 } 19489 19490 serializer.endTag(null, TAG_ALL_GRANTS); 19491 } 19492 19493 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19494 throws XmlPullParserException, IOException { 19495 String pkgName = null; 19496 int outerDepth = parser.getDepth(); 19497 int type; 19498 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19499 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19500 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19501 continue; 19502 } 19503 19504 final String tagName = parser.getName(); 19505 if (tagName.equals(TAG_GRANT)) { 19506 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19507 if (DEBUG_BACKUP) { 19508 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19509 } 19510 } else if (tagName.equals(TAG_PERMISSION)) { 19511 19512 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19513 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19514 19515 int newFlagSet = 0; 19516 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19517 newFlagSet |= FLAG_PERMISSION_USER_SET; 19518 } 19519 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19520 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19521 } 19522 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19523 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19524 } 19525 if (DEBUG_BACKUP) { 19526 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 19527 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 19528 } 19529 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19530 if (ps != null) { 19531 // Already installed so we apply the grant immediately 19532 if (DEBUG_BACKUP) { 19533 Slog.v(TAG, " + already installed; applying"); 19534 } 19535 PermissionsState perms = ps.getPermissionsState(); 19536 BasePermission bp = mSettings.mPermissions.get(permName); 19537 if (bp != null) { 19538 if (isGranted) { 19539 perms.grantRuntimePermission(bp, userId); 19540 } 19541 if (newFlagSet != 0) { 19542 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19543 } 19544 } 19545 } else { 19546 // Need to wait for post-restore install to apply the grant 19547 if (DEBUG_BACKUP) { 19548 Slog.v(TAG, " - not yet installed; saving for later"); 19549 } 19550 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19551 isGranted, newFlagSet, userId); 19552 } 19553 } else { 19554 PackageManagerService.reportSettingsProblem(Log.WARN, 19555 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19556 XmlUtils.skipCurrentTag(parser); 19557 } 19558 } 19559 19560 scheduleWriteSettingsLocked(); 19561 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19562 } 19563 19564 @Override 19565 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19566 int sourceUserId, int targetUserId, int flags) { 19567 mContext.enforceCallingOrSelfPermission( 19568 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19569 int callingUid = Binder.getCallingUid(); 19570 enforceOwnerRights(ownerPackage, callingUid); 19571 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19572 if (intentFilter.countActions() == 0) { 19573 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19574 return; 19575 } 19576 synchronized (mPackages) { 19577 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19578 ownerPackage, targetUserId, flags); 19579 CrossProfileIntentResolver resolver = 19580 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19581 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19582 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19583 if (existing != null) { 19584 int size = existing.size(); 19585 for (int i = 0; i < size; i++) { 19586 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19587 return; 19588 } 19589 } 19590 } 19591 resolver.addFilter(newFilter); 19592 scheduleWritePackageRestrictionsLocked(sourceUserId); 19593 } 19594 } 19595 19596 @Override 19597 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19598 mContext.enforceCallingOrSelfPermission( 19599 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19600 int callingUid = Binder.getCallingUid(); 19601 enforceOwnerRights(ownerPackage, callingUid); 19602 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19603 synchronized (mPackages) { 19604 CrossProfileIntentResolver resolver = 19605 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19606 ArraySet<CrossProfileIntentFilter> set = 19607 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19608 for (CrossProfileIntentFilter filter : set) { 19609 if (filter.getOwnerPackage().equals(ownerPackage)) { 19610 resolver.removeFilter(filter); 19611 } 19612 } 19613 scheduleWritePackageRestrictionsLocked(sourceUserId); 19614 } 19615 } 19616 19617 // Enforcing that callingUid is owning pkg on userId 19618 private void enforceOwnerRights(String pkg, int callingUid) { 19619 // The system owns everything. 19620 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19621 return; 19622 } 19623 int callingUserId = UserHandle.getUserId(callingUid); 19624 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19625 if (pi == null) { 19626 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19627 + callingUserId); 19628 } 19629 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19630 throw new SecurityException("Calling uid " + callingUid 19631 + " does not own package " + pkg); 19632 } 19633 } 19634 19635 @Override 19636 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19637 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19638 } 19639 19640 private Intent getHomeIntent() { 19641 Intent intent = new Intent(Intent.ACTION_MAIN); 19642 intent.addCategory(Intent.CATEGORY_HOME); 19643 intent.addCategory(Intent.CATEGORY_DEFAULT); 19644 return intent; 19645 } 19646 19647 private IntentFilter getHomeFilter() { 19648 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19649 filter.addCategory(Intent.CATEGORY_HOME); 19650 filter.addCategory(Intent.CATEGORY_DEFAULT); 19651 return filter; 19652 } 19653 19654 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19655 int userId) { 19656 Intent intent = getHomeIntent(); 19657 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19658 PackageManager.GET_META_DATA, userId); 19659 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19660 true, false, false, userId); 19661 19662 allHomeCandidates.clear(); 19663 if (list != null) { 19664 for (ResolveInfo ri : list) { 19665 allHomeCandidates.add(ri); 19666 } 19667 } 19668 return (preferred == null || preferred.activityInfo == null) 19669 ? null 19670 : new ComponentName(preferred.activityInfo.packageName, 19671 preferred.activityInfo.name); 19672 } 19673 19674 @Override 19675 public void setHomeActivity(ComponentName comp, int userId) { 19676 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19677 getHomeActivitiesAsUser(homeActivities, userId); 19678 19679 boolean found = false; 19680 19681 final int size = homeActivities.size(); 19682 final ComponentName[] set = new ComponentName[size]; 19683 for (int i = 0; i < size; i++) { 19684 final ResolveInfo candidate = homeActivities.get(i); 19685 final ActivityInfo info = candidate.activityInfo; 19686 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19687 set[i] = activityName; 19688 if (!found && activityName.equals(comp)) { 19689 found = true; 19690 } 19691 } 19692 if (!found) { 19693 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19694 + userId); 19695 } 19696 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19697 set, comp, userId); 19698 } 19699 19700 private @Nullable String getSetupWizardPackageName() { 19701 final Intent intent = new Intent(Intent.ACTION_MAIN); 19702 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19703 19704 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19705 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19706 | MATCH_DISABLED_COMPONENTS, 19707 UserHandle.myUserId()); 19708 if (matches.size() == 1) { 19709 return matches.get(0).getComponentInfo().packageName; 19710 } else { 19711 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19712 + ": matches=" + matches); 19713 return null; 19714 } 19715 } 19716 19717 private @Nullable String getStorageManagerPackageName() { 19718 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19719 19720 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19721 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19722 | MATCH_DISABLED_COMPONENTS, 19723 UserHandle.myUserId()); 19724 if (matches.size() == 1) { 19725 return matches.get(0).getComponentInfo().packageName; 19726 } else { 19727 Slog.e(TAG, "There should probably be exactly one storage manager; found " 19728 + matches.size() + ": matches=" + matches); 19729 return null; 19730 } 19731 } 19732 19733 @Override 19734 public void setApplicationEnabledSetting(String appPackageName, 19735 int newState, int flags, int userId, String callingPackage) { 19736 if (!sUserManager.exists(userId)) return; 19737 if (callingPackage == null) { 19738 callingPackage = Integer.toString(Binder.getCallingUid()); 19739 } 19740 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 19741 } 19742 19743 @Override 19744 public void setComponentEnabledSetting(ComponentName componentName, 19745 int newState, int flags, int userId) { 19746 if (!sUserManager.exists(userId)) return; 19747 setEnabledSetting(componentName.getPackageName(), 19748 componentName.getClassName(), newState, flags, userId, null); 19749 } 19750 19751 private void setEnabledSetting(final String packageName, String className, int newState, 19752 final int flags, int userId, String callingPackage) { 19753 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 19754 || newState == COMPONENT_ENABLED_STATE_ENABLED 19755 || newState == COMPONENT_ENABLED_STATE_DISABLED 19756 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19757 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 19758 throw new IllegalArgumentException("Invalid new component state: " 19759 + newState); 19760 } 19761 PackageSetting pkgSetting; 19762 final int uid = Binder.getCallingUid(); 19763 final int permission; 19764 if (uid == Process.SYSTEM_UID) { 19765 permission = PackageManager.PERMISSION_GRANTED; 19766 } else { 19767 permission = mContext.checkCallingOrSelfPermission( 19768 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19769 } 19770 enforceCrossUserPermission(uid, userId, 19771 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 19772 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19773 boolean sendNow = false; 19774 boolean isApp = (className == null); 19775 String componentName = isApp ? packageName : className; 19776 int packageUid = -1; 19777 ArrayList<String> components; 19778 19779 // writer 19780 synchronized (mPackages) { 19781 pkgSetting = mSettings.mPackages.get(packageName); 19782 if (pkgSetting == null) { 19783 if (className == null) { 19784 throw new IllegalArgumentException("Unknown package: " + packageName); 19785 } 19786 throw new IllegalArgumentException( 19787 "Unknown component: " + packageName + "/" + className); 19788 } 19789 } 19790 19791 // Limit who can change which apps 19792 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 19793 // Don't allow apps that don't have permission to modify other apps 19794 if (!allowedByPermission) { 19795 throw new SecurityException( 19796 "Permission Denial: attempt to change component state from pid=" 19797 + Binder.getCallingPid() 19798 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 19799 } 19800 // Don't allow changing protected packages. 19801 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 19802 throw new SecurityException("Cannot disable a protected package: " + packageName); 19803 } 19804 } 19805 19806 synchronized (mPackages) { 19807 if (uid == Process.SHELL_UID 19808 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 19809 // Shell can only change whole packages between ENABLED and DISABLED_USER states 19810 // unless it is a test package. 19811 int oldState = pkgSetting.getEnabled(userId); 19812 if (className == null 19813 && 19814 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 19815 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 19816 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 19817 && 19818 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19819 || newState == COMPONENT_ENABLED_STATE_DEFAULT 19820 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 19821 // ok 19822 } else { 19823 throw new SecurityException( 19824 "Shell cannot change component state for " + packageName + "/" 19825 + className + " to " + newState); 19826 } 19827 } 19828 if (className == null) { 19829 // We're dealing with an application/package level state change 19830 if (pkgSetting.getEnabled(userId) == newState) { 19831 // Nothing to do 19832 return; 19833 } 19834 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 19835 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 19836 // Don't care about who enables an app. 19837 callingPackage = null; 19838 } 19839 pkgSetting.setEnabled(newState, userId, callingPackage); 19840 // pkgSetting.pkg.mSetEnabled = newState; 19841 } else { 19842 // We're dealing with a component level state change 19843 // First, verify that this is a valid class name. 19844 PackageParser.Package pkg = pkgSetting.pkg; 19845 if (pkg == null || !pkg.hasComponentClassName(className)) { 19846 if (pkg != null && 19847 pkg.applicationInfo.targetSdkVersion >= 19848 Build.VERSION_CODES.JELLY_BEAN) { 19849 throw new IllegalArgumentException("Component class " + className 19850 + " does not exist in " + packageName); 19851 } else { 19852 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 19853 + className + " does not exist in " + packageName); 19854 } 19855 } 19856 switch (newState) { 19857 case COMPONENT_ENABLED_STATE_ENABLED: 19858 if (!pkgSetting.enableComponentLPw(className, userId)) { 19859 return; 19860 } 19861 break; 19862 case COMPONENT_ENABLED_STATE_DISABLED: 19863 if (!pkgSetting.disableComponentLPw(className, userId)) { 19864 return; 19865 } 19866 break; 19867 case COMPONENT_ENABLED_STATE_DEFAULT: 19868 if (!pkgSetting.restoreComponentLPw(className, userId)) { 19869 return; 19870 } 19871 break; 19872 default: 19873 Slog.e(TAG, "Invalid new component state: " + newState); 19874 return; 19875 } 19876 } 19877 scheduleWritePackageRestrictionsLocked(userId); 19878 updateSequenceNumberLP(packageName, new int[] { userId }); 19879 components = mPendingBroadcasts.get(userId, packageName); 19880 final boolean newPackage = components == null; 19881 if (newPackage) { 19882 components = new ArrayList<String>(); 19883 } 19884 if (!components.contains(componentName)) { 19885 components.add(componentName); 19886 } 19887 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 19888 sendNow = true; 19889 // Purge entry from pending broadcast list if another one exists already 19890 // since we are sending one right away. 19891 mPendingBroadcasts.remove(userId, packageName); 19892 } else { 19893 if (newPackage) { 19894 mPendingBroadcasts.put(userId, packageName, components); 19895 } 19896 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 19897 // Schedule a message 19898 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 19899 } 19900 } 19901 } 19902 19903 long callingId = Binder.clearCallingIdentity(); 19904 try { 19905 if (sendNow) { 19906 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 19907 sendPackageChangedBroadcast(packageName, 19908 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 19909 } 19910 } finally { 19911 Binder.restoreCallingIdentity(callingId); 19912 } 19913 } 19914 19915 @Override 19916 public void flushPackageRestrictionsAsUser(int userId) { 19917 if (!sUserManager.exists(userId)) { 19918 return; 19919 } 19920 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 19921 false /* checkShell */, "flushPackageRestrictions"); 19922 synchronized (mPackages) { 19923 mSettings.writePackageRestrictionsLPr(userId); 19924 mDirtyUsers.remove(userId); 19925 if (mDirtyUsers.isEmpty()) { 19926 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 19927 } 19928 } 19929 } 19930 19931 private void sendPackageChangedBroadcast(String packageName, 19932 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 19933 if (DEBUG_INSTALL) 19934 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 19935 + componentNames); 19936 Bundle extras = new Bundle(4); 19937 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 19938 String nameList[] = new String[componentNames.size()]; 19939 componentNames.toArray(nameList); 19940 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 19941 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 19942 extras.putInt(Intent.EXTRA_UID, packageUid); 19943 // If this is not reporting a change of the overall package, then only send it 19944 // to registered receivers. We don't want to launch a swath of apps for every 19945 // little component state change. 19946 final int flags = !componentNames.contains(packageName) 19947 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 19948 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 19949 new int[] {UserHandle.getUserId(packageUid)}); 19950 } 19951 19952 @Override 19953 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 19954 if (!sUserManager.exists(userId)) return; 19955 final int uid = Binder.getCallingUid(); 19956 final int permission = mContext.checkCallingOrSelfPermission( 19957 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19958 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19959 enforceCrossUserPermission(uid, userId, 19960 true /* requireFullPermission */, true /* checkShell */, "stop package"); 19961 // writer 19962 synchronized (mPackages) { 19963 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 19964 allowedByPermission, uid, userId)) { 19965 scheduleWritePackageRestrictionsLocked(userId); 19966 } 19967 } 19968 } 19969 19970 @Override 19971 public String getInstallerPackageName(String packageName) { 19972 // reader 19973 synchronized (mPackages) { 19974 return mSettings.getInstallerPackageNameLPr(packageName); 19975 } 19976 } 19977 19978 public boolean isOrphaned(String packageName) { 19979 // reader 19980 synchronized (mPackages) { 19981 return mSettings.isOrphaned(packageName); 19982 } 19983 } 19984 19985 @Override 19986 public int getApplicationEnabledSetting(String packageName, int userId) { 19987 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19988 int uid = Binder.getCallingUid(); 19989 enforceCrossUserPermission(uid, userId, 19990 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 19991 // reader 19992 synchronized (mPackages) { 19993 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 19994 } 19995 } 19996 19997 @Override 19998 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 19999 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 20000 int uid = Binder.getCallingUid(); 20001 enforceCrossUserPermission(uid, userId, 20002 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 20003 // reader 20004 synchronized (mPackages) { 20005 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 20006 } 20007 } 20008 20009 @Override 20010 public void enterSafeMode() { 20011 enforceSystemOrRoot("Only the system can request entering safe mode"); 20012 20013 if (!mSystemReady) { 20014 mSafeMode = true; 20015 } 20016 } 20017 20018 @Override 20019 public void systemReady() { 20020 mSystemReady = true; 20021 20022 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 20023 // disabled after already being started. 20024 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 20025 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 20026 20027 // Read the compatibilty setting when the system is ready. 20028 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 20029 mContext.getContentResolver(), 20030 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 20031 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 20032 if (DEBUG_SETTINGS) { 20033 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 20034 } 20035 20036 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 20037 20038 synchronized (mPackages) { 20039 // Verify that all of the preferred activity components actually 20040 // exist. It is possible for applications to be updated and at 20041 // that point remove a previously declared activity component that 20042 // had been set as a preferred activity. We try to clean this up 20043 // the next time we encounter that preferred activity, but it is 20044 // possible for the user flow to never be able to return to that 20045 // situation so here we do a sanity check to make sure we haven't 20046 // left any junk around. 20047 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 20048 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20049 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20050 removed.clear(); 20051 for (PreferredActivity pa : pir.filterSet()) { 20052 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 20053 removed.add(pa); 20054 } 20055 } 20056 if (removed.size() > 0) { 20057 for (int r=0; r<removed.size(); r++) { 20058 PreferredActivity pa = removed.get(r); 20059 Slog.w(TAG, "Removing dangling preferred activity: " 20060 + pa.mPref.mComponent); 20061 pir.removeFilter(pa); 20062 } 20063 mSettings.writePackageRestrictionsLPr( 20064 mSettings.mPreferredActivities.keyAt(i)); 20065 } 20066 } 20067 20068 for (int userId : UserManagerService.getInstance().getUserIds()) { 20069 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20070 grantPermissionsUserIds = ArrayUtils.appendInt( 20071 grantPermissionsUserIds, userId); 20072 } 20073 } 20074 } 20075 sUserManager.systemReady(); 20076 20077 // If we upgraded grant all default permissions before kicking off. 20078 for (int userId : grantPermissionsUserIds) { 20079 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20080 } 20081 20082 // If we did not grant default permissions, we preload from this the 20083 // default permission exceptions lazily to ensure we don't hit the 20084 // disk on a new user creation. 20085 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 20086 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 20087 } 20088 20089 // Kick off any messages waiting for system ready 20090 if (mPostSystemReadyMessages != null) { 20091 for (Message msg : mPostSystemReadyMessages) { 20092 msg.sendToTarget(); 20093 } 20094 mPostSystemReadyMessages = null; 20095 } 20096 20097 // Watch for external volumes that come and go over time 20098 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20099 storage.registerListener(mStorageListener); 20100 20101 mInstallerService.systemReady(); 20102 mPackageDexOptimizer.systemReady(); 20103 20104 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 20105 StorageManagerInternal.class); 20106 StorageManagerInternal.addExternalStoragePolicy( 20107 new StorageManagerInternal.ExternalStorageMountPolicy() { 20108 @Override 20109 public int getMountMode(int uid, String packageName) { 20110 if (Process.isIsolated(uid)) { 20111 return Zygote.MOUNT_EXTERNAL_NONE; 20112 } 20113 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 20114 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20115 } 20116 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20117 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20118 } 20119 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20120 return Zygote.MOUNT_EXTERNAL_READ; 20121 } 20122 return Zygote.MOUNT_EXTERNAL_WRITE; 20123 } 20124 20125 @Override 20126 public boolean hasExternalStorage(int uid, String packageName) { 20127 return true; 20128 } 20129 }); 20130 20131 // Now that we're mostly running, clean up stale users and apps 20132 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 20133 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 20134 20135 if (mPrivappPermissionsViolations != null) { 20136 Slog.wtf(TAG,"Signature|privileged permissions not in " 20137 + "privapp-permissions whitelist: " + mPrivappPermissionsViolations); 20138 mPrivappPermissionsViolations = null; 20139 } 20140 } 20141 20142 public void waitForAppDataPrepared() { 20143 if (mPrepareAppDataFuture == null) { 20144 return; 20145 } 20146 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 20147 mPrepareAppDataFuture = null; 20148 } 20149 20150 @Override 20151 public boolean isSafeMode() { 20152 return mSafeMode; 20153 } 20154 20155 @Override 20156 public boolean hasSystemUidErrors() { 20157 return mHasSystemUidErrors; 20158 } 20159 20160 static String arrayToString(int[] array) { 20161 StringBuffer buf = new StringBuffer(128); 20162 buf.append('['); 20163 if (array != null) { 20164 for (int i=0; i<array.length; i++) { 20165 if (i > 0) buf.append(", "); 20166 buf.append(array[i]); 20167 } 20168 } 20169 buf.append(']'); 20170 return buf.toString(); 20171 } 20172 20173 static class DumpState { 20174 public static final int DUMP_LIBS = 1 << 0; 20175 public static final int DUMP_FEATURES = 1 << 1; 20176 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 20177 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 20178 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 20179 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 20180 public static final int DUMP_PERMISSIONS = 1 << 6; 20181 public static final int DUMP_PACKAGES = 1 << 7; 20182 public static final int DUMP_SHARED_USERS = 1 << 8; 20183 public static final int DUMP_MESSAGES = 1 << 9; 20184 public static final int DUMP_PROVIDERS = 1 << 10; 20185 public static final int DUMP_VERIFIERS = 1 << 11; 20186 public static final int DUMP_PREFERRED = 1 << 12; 20187 public static final int DUMP_PREFERRED_XML = 1 << 13; 20188 public static final int DUMP_KEYSETS = 1 << 14; 20189 public static final int DUMP_VERSION = 1 << 15; 20190 public static final int DUMP_INSTALLS = 1 << 16; 20191 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 20192 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 20193 public static final int DUMP_FROZEN = 1 << 19; 20194 public static final int DUMP_DEXOPT = 1 << 20; 20195 public static final int DUMP_COMPILER_STATS = 1 << 21; 20196 20197 public static final int OPTION_SHOW_FILTERS = 1 << 0; 20198 20199 private int mTypes; 20200 20201 private int mOptions; 20202 20203 private boolean mTitlePrinted; 20204 20205 private SharedUserSetting mSharedUser; 20206 20207 public boolean isDumping(int type) { 20208 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 20209 return true; 20210 } 20211 20212 return (mTypes & type) != 0; 20213 } 20214 20215 public void setDump(int type) { 20216 mTypes |= type; 20217 } 20218 20219 public boolean isOptionEnabled(int option) { 20220 return (mOptions & option) != 0; 20221 } 20222 20223 public void setOptionEnabled(int option) { 20224 mOptions |= option; 20225 } 20226 20227 public boolean onTitlePrinted() { 20228 final boolean printed = mTitlePrinted; 20229 mTitlePrinted = true; 20230 return printed; 20231 } 20232 20233 public boolean getTitlePrinted() { 20234 return mTitlePrinted; 20235 } 20236 20237 public void setTitlePrinted(boolean enabled) { 20238 mTitlePrinted = enabled; 20239 } 20240 20241 public SharedUserSetting getSharedUser() { 20242 return mSharedUser; 20243 } 20244 20245 public void setSharedUser(SharedUserSetting user) { 20246 mSharedUser = user; 20247 } 20248 } 20249 20250 @Override 20251 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20252 FileDescriptor err, String[] args, ShellCallback callback, 20253 ResultReceiver resultReceiver) { 20254 (new PackageManagerShellCommand(this)).exec( 20255 this, in, out, err, args, callback, resultReceiver); 20256 } 20257 20258 @Override 20259 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20260 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 20261 != PackageManager.PERMISSION_GRANTED) { 20262 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 20263 + Binder.getCallingPid() 20264 + ", uid=" + Binder.getCallingUid() 20265 + " without permission " 20266 + android.Manifest.permission.DUMP); 20267 return; 20268 } 20269 20270 DumpState dumpState = new DumpState(); 20271 boolean fullPreferred = false; 20272 boolean checkin = false; 20273 20274 String packageName = null; 20275 ArraySet<String> permissionNames = null; 20276 20277 int opti = 0; 20278 while (opti < args.length) { 20279 String opt = args[opti]; 20280 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20281 break; 20282 } 20283 opti++; 20284 20285 if ("-a".equals(opt)) { 20286 // Right now we only know how to print all. 20287 } else if ("-h".equals(opt)) { 20288 pw.println("Package manager dump options:"); 20289 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20290 pw.println(" --checkin: dump for a checkin"); 20291 pw.println(" -f: print details of intent filters"); 20292 pw.println(" -h: print this help"); 20293 pw.println(" cmd may be one of:"); 20294 pw.println(" l[ibraries]: list known shared libraries"); 20295 pw.println(" f[eatures]: list device features"); 20296 pw.println(" k[eysets]: print known keysets"); 20297 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20298 pw.println(" perm[issions]: dump permissions"); 20299 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20300 pw.println(" pref[erred]: print preferred package settings"); 20301 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20302 pw.println(" prov[iders]: dump content providers"); 20303 pw.println(" p[ackages]: dump installed packages"); 20304 pw.println(" s[hared-users]: dump shared user IDs"); 20305 pw.println(" m[essages]: print collected runtime messages"); 20306 pw.println(" v[erifiers]: print package verifier info"); 20307 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20308 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20309 pw.println(" version: print database version info"); 20310 pw.println(" write: write current settings now"); 20311 pw.println(" installs: details about install sessions"); 20312 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20313 pw.println(" dexopt: dump dexopt state"); 20314 pw.println(" compiler-stats: dump compiler statistics"); 20315 pw.println(" <package.name>: info about given package"); 20316 return; 20317 } else if ("--checkin".equals(opt)) { 20318 checkin = true; 20319 } else if ("-f".equals(opt)) { 20320 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20321 } else { 20322 pw.println("Unknown argument: " + opt + "; use -h for help"); 20323 } 20324 } 20325 20326 // Is the caller requesting to dump a particular piece of data? 20327 if (opti < args.length) { 20328 String cmd = args[opti]; 20329 opti++; 20330 // Is this a package name? 20331 if ("android".equals(cmd) || cmd.contains(".")) { 20332 packageName = cmd; 20333 // When dumping a single package, we always dump all of its 20334 // filter information since the amount of data will be reasonable. 20335 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20336 } else if ("check-permission".equals(cmd)) { 20337 if (opti >= args.length) { 20338 pw.println("Error: check-permission missing permission argument"); 20339 return; 20340 } 20341 String perm = args[opti]; 20342 opti++; 20343 if (opti >= args.length) { 20344 pw.println("Error: check-permission missing package argument"); 20345 return; 20346 } 20347 20348 String pkg = args[opti]; 20349 opti++; 20350 int user = UserHandle.getUserId(Binder.getCallingUid()); 20351 if (opti < args.length) { 20352 try { 20353 user = Integer.parseInt(args[opti]); 20354 } catch (NumberFormatException e) { 20355 pw.println("Error: check-permission user argument is not a number: " 20356 + args[opti]); 20357 return; 20358 } 20359 } 20360 20361 // Normalize package name to handle renamed packages and static libs 20362 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20363 20364 pw.println(checkPermission(perm, pkg, user)); 20365 return; 20366 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20367 dumpState.setDump(DumpState.DUMP_LIBS); 20368 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20369 dumpState.setDump(DumpState.DUMP_FEATURES); 20370 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20371 if (opti >= args.length) { 20372 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20373 | DumpState.DUMP_SERVICE_RESOLVERS 20374 | DumpState.DUMP_RECEIVER_RESOLVERS 20375 | DumpState.DUMP_CONTENT_RESOLVERS); 20376 } else { 20377 while (opti < args.length) { 20378 String name = args[opti]; 20379 if ("a".equals(name) || "activity".equals(name)) { 20380 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20381 } else if ("s".equals(name) || "service".equals(name)) { 20382 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20383 } else if ("r".equals(name) || "receiver".equals(name)) { 20384 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20385 } else if ("c".equals(name) || "content".equals(name)) { 20386 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20387 } else { 20388 pw.println("Error: unknown resolver table type: " + name); 20389 return; 20390 } 20391 opti++; 20392 } 20393 } 20394 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20395 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20396 } else if ("permission".equals(cmd)) { 20397 if (opti >= args.length) { 20398 pw.println("Error: permission requires permission name"); 20399 return; 20400 } 20401 permissionNames = new ArraySet<>(); 20402 while (opti < args.length) { 20403 permissionNames.add(args[opti]); 20404 opti++; 20405 } 20406 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20407 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20408 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20409 dumpState.setDump(DumpState.DUMP_PREFERRED); 20410 } else if ("preferred-xml".equals(cmd)) { 20411 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20412 if (opti < args.length && "--full".equals(args[opti])) { 20413 fullPreferred = true; 20414 opti++; 20415 } 20416 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20417 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20418 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20419 dumpState.setDump(DumpState.DUMP_PACKAGES); 20420 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20421 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20422 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20423 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20424 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20425 dumpState.setDump(DumpState.DUMP_MESSAGES); 20426 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20427 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20428 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20429 || "intent-filter-verifiers".equals(cmd)) { 20430 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20431 } else if ("version".equals(cmd)) { 20432 dumpState.setDump(DumpState.DUMP_VERSION); 20433 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20434 dumpState.setDump(DumpState.DUMP_KEYSETS); 20435 } else if ("installs".equals(cmd)) { 20436 dumpState.setDump(DumpState.DUMP_INSTALLS); 20437 } else if ("frozen".equals(cmd)) { 20438 dumpState.setDump(DumpState.DUMP_FROZEN); 20439 } else if ("dexopt".equals(cmd)) { 20440 dumpState.setDump(DumpState.DUMP_DEXOPT); 20441 } else if ("compiler-stats".equals(cmd)) { 20442 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20443 } else if ("write".equals(cmd)) { 20444 synchronized (mPackages) { 20445 mSettings.writeLPr(); 20446 pw.println("Settings written."); 20447 return; 20448 } 20449 } 20450 } 20451 20452 if (checkin) { 20453 pw.println("vers,1"); 20454 } 20455 20456 // reader 20457 synchronized (mPackages) { 20458 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20459 if (!checkin) { 20460 if (dumpState.onTitlePrinted()) 20461 pw.println(); 20462 pw.println("Database versions:"); 20463 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20464 } 20465 } 20466 20467 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20468 if (!checkin) { 20469 if (dumpState.onTitlePrinted()) 20470 pw.println(); 20471 pw.println("Verifiers:"); 20472 pw.print(" Required: "); 20473 pw.print(mRequiredVerifierPackage); 20474 pw.print(" (uid="); 20475 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20476 UserHandle.USER_SYSTEM)); 20477 pw.println(")"); 20478 } else if (mRequiredVerifierPackage != null) { 20479 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20480 pw.print(","); 20481 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20482 UserHandle.USER_SYSTEM)); 20483 } 20484 } 20485 20486 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20487 packageName == null) { 20488 if (mIntentFilterVerifierComponent != null) { 20489 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20490 if (!checkin) { 20491 if (dumpState.onTitlePrinted()) 20492 pw.println(); 20493 pw.println("Intent Filter Verifier:"); 20494 pw.print(" Using: "); 20495 pw.print(verifierPackageName); 20496 pw.print(" (uid="); 20497 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20498 UserHandle.USER_SYSTEM)); 20499 pw.println(")"); 20500 } else if (verifierPackageName != null) { 20501 pw.print("ifv,"); pw.print(verifierPackageName); 20502 pw.print(","); 20503 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20504 UserHandle.USER_SYSTEM)); 20505 } 20506 } else { 20507 pw.println(); 20508 pw.println("No Intent Filter Verifier available!"); 20509 } 20510 } 20511 20512 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20513 boolean printedHeader = false; 20514 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20515 while (it.hasNext()) { 20516 String libName = it.next(); 20517 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20518 if (versionedLib == null) { 20519 continue; 20520 } 20521 final int versionCount = versionedLib.size(); 20522 for (int i = 0; i < versionCount; i++) { 20523 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20524 if (!checkin) { 20525 if (!printedHeader) { 20526 if (dumpState.onTitlePrinted()) 20527 pw.println(); 20528 pw.println("Libraries:"); 20529 printedHeader = true; 20530 } 20531 pw.print(" "); 20532 } else { 20533 pw.print("lib,"); 20534 } 20535 pw.print(libEntry.info.getName()); 20536 if (libEntry.info.isStatic()) { 20537 pw.print(" version=" + libEntry.info.getVersion()); 20538 } 20539 if (!checkin) { 20540 pw.print(" -> "); 20541 } 20542 if (libEntry.path != null) { 20543 pw.print(" (jar) "); 20544 pw.print(libEntry.path); 20545 } else { 20546 pw.print(" (apk) "); 20547 pw.print(libEntry.apk); 20548 } 20549 pw.println(); 20550 } 20551 } 20552 } 20553 20554 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20555 if (dumpState.onTitlePrinted()) 20556 pw.println(); 20557 if (!checkin) { 20558 pw.println("Features:"); 20559 } 20560 20561 synchronized (mAvailableFeatures) { 20562 for (FeatureInfo feat : mAvailableFeatures.values()) { 20563 if (checkin) { 20564 pw.print("feat,"); 20565 pw.print(feat.name); 20566 pw.print(","); 20567 pw.println(feat.version); 20568 } else { 20569 pw.print(" "); 20570 pw.print(feat.name); 20571 if (feat.version > 0) { 20572 pw.print(" version="); 20573 pw.print(feat.version); 20574 } 20575 pw.println(); 20576 } 20577 } 20578 } 20579 } 20580 20581 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20582 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20583 : "Activity Resolver Table:", " ", packageName, 20584 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20585 dumpState.setTitlePrinted(true); 20586 } 20587 } 20588 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20589 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20590 : "Receiver Resolver Table:", " ", packageName, 20591 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20592 dumpState.setTitlePrinted(true); 20593 } 20594 } 20595 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20596 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20597 : "Service Resolver Table:", " ", packageName, 20598 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20599 dumpState.setTitlePrinted(true); 20600 } 20601 } 20602 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20603 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20604 : "Provider Resolver Table:", " ", packageName, 20605 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20606 dumpState.setTitlePrinted(true); 20607 } 20608 } 20609 20610 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20611 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20612 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20613 int user = mSettings.mPreferredActivities.keyAt(i); 20614 if (pir.dump(pw, 20615 dumpState.getTitlePrinted() 20616 ? "\nPreferred Activities User " + user + ":" 20617 : "Preferred Activities User " + user + ":", " ", 20618 packageName, true, false)) { 20619 dumpState.setTitlePrinted(true); 20620 } 20621 } 20622 } 20623 20624 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20625 pw.flush(); 20626 FileOutputStream fout = new FileOutputStream(fd); 20627 BufferedOutputStream str = new BufferedOutputStream(fout); 20628 XmlSerializer serializer = new FastXmlSerializer(); 20629 try { 20630 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20631 serializer.startDocument(null, true); 20632 serializer.setFeature( 20633 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 20634 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 20635 serializer.endDocument(); 20636 serializer.flush(); 20637 } catch (IllegalArgumentException e) { 20638 pw.println("Failed writing: " + e); 20639 } catch (IllegalStateException e) { 20640 pw.println("Failed writing: " + e); 20641 } catch (IOException e) { 20642 pw.println("Failed writing: " + e); 20643 } 20644 } 20645 20646 if (!checkin 20647 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 20648 && packageName == null) { 20649 pw.println(); 20650 int count = mSettings.mPackages.size(); 20651 if (count == 0) { 20652 pw.println("No applications!"); 20653 pw.println(); 20654 } else { 20655 final String prefix = " "; 20656 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 20657 if (allPackageSettings.size() == 0) { 20658 pw.println("No domain preferred apps!"); 20659 pw.println(); 20660 } else { 20661 pw.println("App verification status:"); 20662 pw.println(); 20663 count = 0; 20664 for (PackageSetting ps : allPackageSettings) { 20665 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 20666 if (ivi == null || ivi.getPackageName() == null) continue; 20667 pw.println(prefix + "Package: " + ivi.getPackageName()); 20668 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 20669 pw.println(prefix + "Status: " + ivi.getStatusString()); 20670 pw.println(); 20671 count++; 20672 } 20673 if (count == 0) { 20674 pw.println(prefix + "No app verification established."); 20675 pw.println(); 20676 } 20677 for (int userId : sUserManager.getUserIds()) { 20678 pw.println("App linkages for user " + userId + ":"); 20679 pw.println(); 20680 count = 0; 20681 for (PackageSetting ps : allPackageSettings) { 20682 final long status = ps.getDomainVerificationStatusForUser(userId); 20683 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 20684 && !DEBUG_DOMAIN_VERIFICATION) { 20685 continue; 20686 } 20687 pw.println(prefix + "Package: " + ps.name); 20688 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 20689 String statusStr = IntentFilterVerificationInfo. 20690 getStatusStringFromValue(status); 20691 pw.println(prefix + "Status: " + statusStr); 20692 pw.println(); 20693 count++; 20694 } 20695 if (count == 0) { 20696 pw.println(prefix + "No configured app linkages."); 20697 pw.println(); 20698 } 20699 } 20700 } 20701 } 20702 } 20703 20704 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 20705 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 20706 if (packageName == null && permissionNames == null) { 20707 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 20708 if (iperm == 0) { 20709 if (dumpState.onTitlePrinted()) 20710 pw.println(); 20711 pw.println("AppOp Permissions:"); 20712 } 20713 pw.print(" AppOp Permission "); 20714 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 20715 pw.println(":"); 20716 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 20717 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 20718 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 20719 } 20720 } 20721 } 20722 } 20723 20724 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 20725 boolean printedSomething = false; 20726 for (PackageParser.Provider p : mProviders.mProviders.values()) { 20727 if (packageName != null && !packageName.equals(p.info.packageName)) { 20728 continue; 20729 } 20730 if (!printedSomething) { 20731 if (dumpState.onTitlePrinted()) 20732 pw.println(); 20733 pw.println("Registered ContentProviders:"); 20734 printedSomething = true; 20735 } 20736 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 20737 pw.print(" "); pw.println(p.toString()); 20738 } 20739 printedSomething = false; 20740 for (Map.Entry<String, PackageParser.Provider> entry : 20741 mProvidersByAuthority.entrySet()) { 20742 PackageParser.Provider p = entry.getValue(); 20743 if (packageName != null && !packageName.equals(p.info.packageName)) { 20744 continue; 20745 } 20746 if (!printedSomething) { 20747 if (dumpState.onTitlePrinted()) 20748 pw.println(); 20749 pw.println("ContentProvider Authorities:"); 20750 printedSomething = true; 20751 } 20752 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 20753 pw.print(" "); pw.println(p.toString()); 20754 if (p.info != null && p.info.applicationInfo != null) { 20755 final String appInfo = p.info.applicationInfo.toString(); 20756 pw.print(" applicationInfo="); pw.println(appInfo); 20757 } 20758 } 20759 } 20760 20761 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 20762 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 20763 } 20764 20765 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 20766 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 20767 } 20768 20769 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 20770 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 20771 } 20772 20773 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 20774 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 20775 } 20776 20777 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 20778 // XXX should handle packageName != null by dumping only install data that 20779 // the given package is involved with. 20780 if (dumpState.onTitlePrinted()) pw.println(); 20781 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 20782 } 20783 20784 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 20785 // XXX should handle packageName != null by dumping only install data that 20786 // the given package is involved with. 20787 if (dumpState.onTitlePrinted()) pw.println(); 20788 20789 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20790 ipw.println(); 20791 ipw.println("Frozen packages:"); 20792 ipw.increaseIndent(); 20793 if (mFrozenPackages.size() == 0) { 20794 ipw.println("(none)"); 20795 } else { 20796 for (int i = 0; i < mFrozenPackages.size(); i++) { 20797 ipw.println(mFrozenPackages.valueAt(i)); 20798 } 20799 } 20800 ipw.decreaseIndent(); 20801 } 20802 20803 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 20804 if (dumpState.onTitlePrinted()) pw.println(); 20805 dumpDexoptStateLPr(pw, packageName); 20806 } 20807 20808 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 20809 if (dumpState.onTitlePrinted()) pw.println(); 20810 dumpCompilerStatsLPr(pw, packageName); 20811 } 20812 20813 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 20814 if (dumpState.onTitlePrinted()) pw.println(); 20815 mSettings.dumpReadMessagesLPr(pw, dumpState); 20816 20817 pw.println(); 20818 pw.println("Package warning messages:"); 20819 BufferedReader in = null; 20820 String line = null; 20821 try { 20822 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20823 while ((line = in.readLine()) != null) { 20824 if (line.contains("ignored: updated version")) continue; 20825 pw.println(line); 20826 } 20827 } catch (IOException ignored) { 20828 } finally { 20829 IoUtils.closeQuietly(in); 20830 } 20831 } 20832 20833 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 20834 BufferedReader in = null; 20835 String line = null; 20836 try { 20837 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20838 while ((line = in.readLine()) != null) { 20839 if (line.contains("ignored: updated version")) continue; 20840 pw.print("msg,"); 20841 pw.println(line); 20842 } 20843 } catch (IOException ignored) { 20844 } finally { 20845 IoUtils.closeQuietly(in); 20846 } 20847 } 20848 } 20849 } 20850 20851 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 20852 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20853 ipw.println(); 20854 ipw.println("Dexopt state:"); 20855 ipw.increaseIndent(); 20856 Collection<PackageParser.Package> packages = null; 20857 if (packageName != null) { 20858 PackageParser.Package targetPackage = mPackages.get(packageName); 20859 if (targetPackage != null) { 20860 packages = Collections.singletonList(targetPackage); 20861 } else { 20862 ipw.println("Unable to find package: " + packageName); 20863 return; 20864 } 20865 } else { 20866 packages = mPackages.values(); 20867 } 20868 20869 for (PackageParser.Package pkg : packages) { 20870 ipw.println("[" + pkg.packageName + "]"); 20871 ipw.increaseIndent(); 20872 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 20873 ipw.decreaseIndent(); 20874 } 20875 } 20876 20877 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 20878 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20879 ipw.println(); 20880 ipw.println("Compiler stats:"); 20881 ipw.increaseIndent(); 20882 Collection<PackageParser.Package> packages = null; 20883 if (packageName != null) { 20884 PackageParser.Package targetPackage = mPackages.get(packageName); 20885 if (targetPackage != null) { 20886 packages = Collections.singletonList(targetPackage); 20887 } else { 20888 ipw.println("Unable to find package: " + packageName); 20889 return; 20890 } 20891 } else { 20892 packages = mPackages.values(); 20893 } 20894 20895 for (PackageParser.Package pkg : packages) { 20896 ipw.println("[" + pkg.packageName + "]"); 20897 ipw.increaseIndent(); 20898 20899 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 20900 if (stats == null) { 20901 ipw.println("(No recorded stats)"); 20902 } else { 20903 stats.dump(ipw); 20904 } 20905 ipw.decreaseIndent(); 20906 } 20907 } 20908 20909 private String dumpDomainString(String packageName) { 20910 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 20911 .getList(); 20912 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 20913 20914 ArraySet<String> result = new ArraySet<>(); 20915 if (iviList.size() > 0) { 20916 for (IntentFilterVerificationInfo ivi : iviList) { 20917 for (String host : ivi.getDomains()) { 20918 result.add(host); 20919 } 20920 } 20921 } 20922 if (filters != null && filters.size() > 0) { 20923 for (IntentFilter filter : filters) { 20924 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 20925 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 20926 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 20927 result.addAll(filter.getHostsList()); 20928 } 20929 } 20930 } 20931 20932 StringBuilder sb = new StringBuilder(result.size() * 16); 20933 for (String domain : result) { 20934 if (sb.length() > 0) sb.append(" "); 20935 sb.append(domain); 20936 } 20937 return sb.toString(); 20938 } 20939 20940 // ------- apps on sdcard specific code ------- 20941 static final boolean DEBUG_SD_INSTALL = false; 20942 20943 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 20944 20945 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 20946 20947 private boolean mMediaMounted = false; 20948 20949 static String getEncryptKey() { 20950 try { 20951 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 20952 SD_ENCRYPTION_KEYSTORE_NAME); 20953 if (sdEncKey == null) { 20954 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 20955 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 20956 if (sdEncKey == null) { 20957 Slog.e(TAG, "Failed to create encryption keys"); 20958 return null; 20959 } 20960 } 20961 return sdEncKey; 20962 } catch (NoSuchAlgorithmException nsae) { 20963 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 20964 return null; 20965 } catch (IOException ioe) { 20966 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 20967 return null; 20968 } 20969 } 20970 20971 /* 20972 * Update media status on PackageManager. 20973 */ 20974 @Override 20975 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 20976 int callingUid = Binder.getCallingUid(); 20977 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 20978 throw new SecurityException("Media status can only be updated by the system"); 20979 } 20980 // reader; this apparently protects mMediaMounted, but should probably 20981 // be a different lock in that case. 20982 synchronized (mPackages) { 20983 Log.i(TAG, "Updating external media status from " 20984 + (mMediaMounted ? "mounted" : "unmounted") + " to " 20985 + (mediaStatus ? "mounted" : "unmounted")); 20986 if (DEBUG_SD_INSTALL) 20987 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 20988 + ", mMediaMounted=" + mMediaMounted); 20989 if (mediaStatus == mMediaMounted) { 20990 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 20991 : 0, -1); 20992 mHandler.sendMessage(msg); 20993 return; 20994 } 20995 mMediaMounted = mediaStatus; 20996 } 20997 // Queue up an async operation since the package installation may take a 20998 // little while. 20999 mHandler.post(new Runnable() { 21000 public void run() { 21001 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 21002 } 21003 }); 21004 } 21005 21006 /** 21007 * Called by StorageManagerService when the initial ASECs to scan are available. 21008 * Should block until all the ASEC containers are finished being scanned. 21009 */ 21010 public void scanAvailableAsecs() { 21011 updateExternalMediaStatusInner(true, false, false); 21012 } 21013 21014 /* 21015 * Collect information of applications on external media, map them against 21016 * existing containers and update information based on current mount status. 21017 * Please note that we always have to report status if reportStatus has been 21018 * set to true especially when unloading packages. 21019 */ 21020 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 21021 boolean externalStorage) { 21022 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 21023 int[] uidArr = EmptyArray.INT; 21024 21025 final String[] list = PackageHelper.getSecureContainerList(); 21026 if (ArrayUtils.isEmpty(list)) { 21027 Log.i(TAG, "No secure containers found"); 21028 } else { 21029 // Process list of secure containers and categorize them 21030 // as active or stale based on their package internal state. 21031 21032 // reader 21033 synchronized (mPackages) { 21034 for (String cid : list) { 21035 // Leave stages untouched for now; installer service owns them 21036 if (PackageInstallerService.isStageName(cid)) continue; 21037 21038 if (DEBUG_SD_INSTALL) 21039 Log.i(TAG, "Processing container " + cid); 21040 String pkgName = getAsecPackageName(cid); 21041 if (pkgName == null) { 21042 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 21043 continue; 21044 } 21045 if (DEBUG_SD_INSTALL) 21046 Log.i(TAG, "Looking for pkg : " + pkgName); 21047 21048 final PackageSetting ps = mSettings.mPackages.get(pkgName); 21049 if (ps == null) { 21050 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 21051 continue; 21052 } 21053 21054 /* 21055 * Skip packages that are not external if we're unmounting 21056 * external storage. 21057 */ 21058 if (externalStorage && !isMounted && !isExternal(ps)) { 21059 continue; 21060 } 21061 21062 final AsecInstallArgs args = new AsecInstallArgs(cid, 21063 getAppDexInstructionSets(ps), ps.isForwardLocked()); 21064 // The package status is changed only if the code path 21065 // matches between settings and the container id. 21066 if (ps.codePathString != null 21067 && ps.codePathString.startsWith(args.getCodePath())) { 21068 if (DEBUG_SD_INSTALL) { 21069 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 21070 + " at code path: " + ps.codePathString); 21071 } 21072 21073 // We do have a valid package installed on sdcard 21074 processCids.put(args, ps.codePathString); 21075 final int uid = ps.appId; 21076 if (uid != -1) { 21077 uidArr = ArrayUtils.appendInt(uidArr, uid); 21078 } 21079 } else { 21080 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 21081 + ps.codePathString); 21082 } 21083 } 21084 } 21085 21086 Arrays.sort(uidArr); 21087 } 21088 21089 // Process packages with valid entries. 21090 if (isMounted) { 21091 if (DEBUG_SD_INSTALL) 21092 Log.i(TAG, "Loading packages"); 21093 loadMediaPackages(processCids, uidArr, externalStorage); 21094 startCleaningPackages(); 21095 mInstallerService.onSecureContainersAvailable(); 21096 } else { 21097 if (DEBUG_SD_INSTALL) 21098 Log.i(TAG, "Unloading packages"); 21099 unloadMediaPackages(processCids, uidArr, reportStatus); 21100 } 21101 } 21102 21103 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21104 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 21105 final int size = infos.size(); 21106 final String[] packageNames = new String[size]; 21107 final int[] packageUids = new int[size]; 21108 for (int i = 0; i < size; i++) { 21109 final ApplicationInfo info = infos.get(i); 21110 packageNames[i] = info.packageName; 21111 packageUids[i] = info.uid; 21112 } 21113 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 21114 finishedReceiver); 21115 } 21116 21117 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21118 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21119 sendResourcesChangedBroadcast(mediaStatus, replacing, 21120 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 21121 } 21122 21123 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21124 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21125 int size = pkgList.length; 21126 if (size > 0) { 21127 // Send broadcasts here 21128 Bundle extras = new Bundle(); 21129 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 21130 if (uidArr != null) { 21131 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 21132 } 21133 if (replacing) { 21134 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 21135 } 21136 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 21137 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 21138 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 21139 } 21140 } 21141 21142 /* 21143 * Look at potentially valid container ids from processCids If package 21144 * information doesn't match the one on record or package scanning fails, 21145 * the cid is added to list of removeCids. We currently don't delete stale 21146 * containers. 21147 */ 21148 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 21149 boolean externalStorage) { 21150 ArrayList<String> pkgList = new ArrayList<String>(); 21151 Set<AsecInstallArgs> keys = processCids.keySet(); 21152 21153 for (AsecInstallArgs args : keys) { 21154 String codePath = processCids.get(args); 21155 if (DEBUG_SD_INSTALL) 21156 Log.i(TAG, "Loading container : " + args.cid); 21157 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 21158 try { 21159 // Make sure there are no container errors first. 21160 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 21161 Slog.e(TAG, "Failed to mount cid : " + args.cid 21162 + " when installing from sdcard"); 21163 continue; 21164 } 21165 // Check code path here. 21166 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 21167 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 21168 + " does not match one in settings " + codePath); 21169 continue; 21170 } 21171 // Parse package 21172 int parseFlags = mDefParseFlags; 21173 if (args.isExternalAsec()) { 21174 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 21175 } 21176 if (args.isFwdLocked()) { 21177 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 21178 } 21179 21180 synchronized (mInstallLock) { 21181 PackageParser.Package pkg = null; 21182 try { 21183 // Sadly we don't know the package name yet to freeze it 21184 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 21185 SCAN_IGNORE_FROZEN, 0, null); 21186 } catch (PackageManagerException e) { 21187 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 21188 } 21189 // Scan the package 21190 if (pkg != null) { 21191 /* 21192 * TODO why is the lock being held? doPostInstall is 21193 * called in other places without the lock. This needs 21194 * to be straightened out. 21195 */ 21196 // writer 21197 synchronized (mPackages) { 21198 retCode = PackageManager.INSTALL_SUCCEEDED; 21199 pkgList.add(pkg.packageName); 21200 // Post process args 21201 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 21202 pkg.applicationInfo.uid); 21203 } 21204 } else { 21205 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 21206 } 21207 } 21208 21209 } finally { 21210 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 21211 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 21212 } 21213 } 21214 } 21215 // writer 21216 synchronized (mPackages) { 21217 // If the platform SDK has changed since the last time we booted, 21218 // we need to re-grant app permission to catch any new ones that 21219 // appear. This is really a hack, and means that apps can in some 21220 // cases get permissions that the user didn't initially explicitly 21221 // allow... it would be nice to have some better way to handle 21222 // this situation. 21223 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 21224 : mSettings.getInternalVersion(); 21225 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 21226 : StorageManager.UUID_PRIVATE_INTERNAL; 21227 21228 int updateFlags = UPDATE_PERMISSIONS_ALL; 21229 if (ver.sdkVersion != mSdkVersion) { 21230 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21231 + mSdkVersion + "; regranting permissions for external"); 21232 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21233 } 21234 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21235 21236 // Yay, everything is now upgraded 21237 ver.forceCurrent(); 21238 21239 // can downgrade to reader 21240 // Persist settings 21241 mSettings.writeLPr(); 21242 } 21243 // Send a broadcast to let everyone know we are done processing 21244 if (pkgList.size() > 0) { 21245 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 21246 } 21247 } 21248 21249 /* 21250 * Utility method to unload a list of specified containers 21251 */ 21252 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 21253 // Just unmount all valid containers. 21254 for (AsecInstallArgs arg : cidArgs) { 21255 synchronized (mInstallLock) { 21256 arg.doPostDeleteLI(false); 21257 } 21258 } 21259 } 21260 21261 /* 21262 * Unload packages mounted on external media. This involves deleting package 21263 * data from internal structures, sending broadcasts about disabled packages, 21264 * gc'ing to free up references, unmounting all secure containers 21265 * corresponding to packages on external media, and posting a 21266 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 21267 * that we always have to post this message if status has been requested no 21268 * matter what. 21269 */ 21270 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 21271 final boolean reportStatus) { 21272 if (DEBUG_SD_INSTALL) 21273 Log.i(TAG, "unloading media packages"); 21274 ArrayList<String> pkgList = new ArrayList<String>(); 21275 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 21276 final Set<AsecInstallArgs> keys = processCids.keySet(); 21277 for (AsecInstallArgs args : keys) { 21278 String pkgName = args.getPackageName(); 21279 if (DEBUG_SD_INSTALL) 21280 Log.i(TAG, "Trying to unload pkg : " + pkgName); 21281 // Delete package internally 21282 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21283 synchronized (mInstallLock) { 21284 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21285 final boolean res; 21286 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 21287 "unloadMediaPackages")) { 21288 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 21289 null); 21290 } 21291 if (res) { 21292 pkgList.add(pkgName); 21293 } else { 21294 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 21295 failedList.add(args); 21296 } 21297 } 21298 } 21299 21300 // reader 21301 synchronized (mPackages) { 21302 // We didn't update the settings after removing each package; 21303 // write them now for all packages. 21304 mSettings.writeLPr(); 21305 } 21306 21307 // We have to absolutely send UPDATED_MEDIA_STATUS only 21308 // after confirming that all the receivers processed the ordered 21309 // broadcast when packages get disabled, force a gc to clean things up. 21310 // and unload all the containers. 21311 if (pkgList.size() > 0) { 21312 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 21313 new IIntentReceiver.Stub() { 21314 public void performReceive(Intent intent, int resultCode, String data, 21315 Bundle extras, boolean ordered, boolean sticky, 21316 int sendingUser) throws RemoteException { 21317 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 21318 reportStatus ? 1 : 0, 1, keys); 21319 mHandler.sendMessage(msg); 21320 } 21321 }); 21322 } else { 21323 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 21324 keys); 21325 mHandler.sendMessage(msg); 21326 } 21327 } 21328 21329 private void loadPrivatePackages(final VolumeInfo vol) { 21330 mHandler.post(new Runnable() { 21331 @Override 21332 public void run() { 21333 loadPrivatePackagesInner(vol); 21334 } 21335 }); 21336 } 21337 21338 private void loadPrivatePackagesInner(VolumeInfo vol) { 21339 final String volumeUuid = vol.fsUuid; 21340 if (TextUtils.isEmpty(volumeUuid)) { 21341 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 21342 return; 21343 } 21344 21345 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 21346 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 21347 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 21348 21349 final VersionInfo ver; 21350 final List<PackageSetting> packages; 21351 synchronized (mPackages) { 21352 ver = mSettings.findOrCreateVersion(volumeUuid); 21353 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21354 } 21355 21356 for (PackageSetting ps : packages) { 21357 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 21358 synchronized (mInstallLock) { 21359 final PackageParser.Package pkg; 21360 try { 21361 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 21362 loaded.add(pkg.applicationInfo); 21363 21364 } catch (PackageManagerException e) { 21365 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 21366 } 21367 21368 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 21369 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 21370 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 21371 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 21372 } 21373 } 21374 } 21375 21376 // Reconcile app data for all started/unlocked users 21377 final StorageManager sm = mContext.getSystemService(StorageManager.class); 21378 final UserManager um = mContext.getSystemService(UserManager.class); 21379 UserManagerInternal umInternal = getUserManagerInternal(); 21380 for (UserInfo user : um.getUsers()) { 21381 final int flags; 21382 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21383 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21384 } else if (umInternal.isUserRunning(user.id)) { 21385 flags = StorageManager.FLAG_STORAGE_DE; 21386 } else { 21387 continue; 21388 } 21389 21390 try { 21391 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 21392 synchronized (mInstallLock) { 21393 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 21394 } 21395 } catch (IllegalStateException e) { 21396 // Device was probably ejected, and we'll process that event momentarily 21397 Slog.w(TAG, "Failed to prepare storage: " + e); 21398 } 21399 } 21400 21401 synchronized (mPackages) { 21402 int updateFlags = UPDATE_PERMISSIONS_ALL; 21403 if (ver.sdkVersion != mSdkVersion) { 21404 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21405 + mSdkVersion + "; regranting permissions for " + volumeUuid); 21406 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21407 } 21408 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21409 21410 // Yay, everything is now upgraded 21411 ver.forceCurrent(); 21412 21413 mSettings.writeLPr(); 21414 } 21415 21416 for (PackageFreezer freezer : freezers) { 21417 freezer.close(); 21418 } 21419 21420 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21421 sendResourcesChangedBroadcast(true, false, loaded, null); 21422 } 21423 21424 private void unloadPrivatePackages(final VolumeInfo vol) { 21425 mHandler.post(new Runnable() { 21426 @Override 21427 public void run() { 21428 unloadPrivatePackagesInner(vol); 21429 } 21430 }); 21431 } 21432 21433 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21434 final String volumeUuid = vol.fsUuid; 21435 if (TextUtils.isEmpty(volumeUuid)) { 21436 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21437 return; 21438 } 21439 21440 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21441 synchronized (mInstallLock) { 21442 synchronized (mPackages) { 21443 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21444 for (PackageSetting ps : packages) { 21445 if (ps.pkg == null) continue; 21446 21447 final ApplicationInfo info = ps.pkg.applicationInfo; 21448 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21449 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21450 21451 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21452 "unloadPrivatePackagesInner")) { 21453 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21454 false, null)) { 21455 unloaded.add(info); 21456 } else { 21457 Slog.w(TAG, "Failed to unload " + ps.codePath); 21458 } 21459 } 21460 21461 // Try very hard to release any references to this package 21462 // so we don't risk the system server being killed due to 21463 // open FDs 21464 AttributeCache.instance().removePackage(ps.name); 21465 } 21466 21467 mSettings.writeLPr(); 21468 } 21469 } 21470 21471 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21472 sendResourcesChangedBroadcast(false, false, unloaded, null); 21473 21474 // Try very hard to release any references to this path so we don't risk 21475 // the system server being killed due to open FDs 21476 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21477 21478 for (int i = 0; i < 3; i++) { 21479 System.gc(); 21480 System.runFinalization(); 21481 } 21482 } 21483 21484 private void assertPackageKnown(String volumeUuid, String packageName) 21485 throws PackageManagerException { 21486 synchronized (mPackages) { 21487 // Normalize package name to handle renamed packages 21488 packageName = normalizePackageNameLPr(packageName); 21489 21490 final PackageSetting ps = mSettings.mPackages.get(packageName); 21491 if (ps == null) { 21492 throw new PackageManagerException("Package " + packageName + " is unknown"); 21493 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21494 throw new PackageManagerException( 21495 "Package " + packageName + " found on unknown volume " + volumeUuid 21496 + "; expected volume " + ps.volumeUuid); 21497 } 21498 } 21499 } 21500 21501 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21502 throws PackageManagerException { 21503 synchronized (mPackages) { 21504 // Normalize package name to handle renamed packages 21505 packageName = normalizePackageNameLPr(packageName); 21506 21507 final PackageSetting ps = mSettings.mPackages.get(packageName); 21508 if (ps == null) { 21509 throw new PackageManagerException("Package " + packageName + " is unknown"); 21510 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21511 throw new PackageManagerException( 21512 "Package " + packageName + " found on unknown volume " + volumeUuid 21513 + "; expected volume " + ps.volumeUuid); 21514 } else if (!ps.getInstalled(userId)) { 21515 throw new PackageManagerException( 21516 "Package " + packageName + " not installed for user " + userId); 21517 } 21518 } 21519 } 21520 21521 private List<String> collectAbsoluteCodePaths() { 21522 synchronized (mPackages) { 21523 List<String> codePaths = new ArrayList<>(); 21524 final int packageCount = mSettings.mPackages.size(); 21525 for (int i = 0; i < packageCount; i++) { 21526 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21527 codePaths.add(ps.codePath.getAbsolutePath()); 21528 } 21529 return codePaths; 21530 } 21531 } 21532 21533 /** 21534 * Examine all apps present on given mounted volume, and destroy apps that 21535 * aren't expected, either due to uninstallation or reinstallation on 21536 * another volume. 21537 */ 21538 private void reconcileApps(String volumeUuid) { 21539 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21540 List<File> filesToDelete = null; 21541 21542 final File[] files = FileUtils.listFilesOrEmpty( 21543 Environment.getDataAppDirectory(volumeUuid)); 21544 for (File file : files) { 21545 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21546 && !PackageInstallerService.isStageName(file.getName()); 21547 if (!isPackage) { 21548 // Ignore entries which are not packages 21549 continue; 21550 } 21551 21552 String absolutePath = file.getAbsolutePath(); 21553 21554 boolean pathValid = false; 21555 final int absoluteCodePathCount = absoluteCodePaths.size(); 21556 for (int i = 0; i < absoluteCodePathCount; i++) { 21557 String absoluteCodePath = absoluteCodePaths.get(i); 21558 if (absolutePath.startsWith(absoluteCodePath)) { 21559 pathValid = true; 21560 break; 21561 } 21562 } 21563 21564 if (!pathValid) { 21565 if (filesToDelete == null) { 21566 filesToDelete = new ArrayList<>(); 21567 } 21568 filesToDelete.add(file); 21569 } 21570 } 21571 21572 if (filesToDelete != null) { 21573 final int fileToDeleteCount = filesToDelete.size(); 21574 for (int i = 0; i < fileToDeleteCount; i++) { 21575 File fileToDelete = filesToDelete.get(i); 21576 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 21577 synchronized (mInstallLock) { 21578 removeCodePathLI(fileToDelete); 21579 } 21580 } 21581 } 21582 } 21583 21584 /** 21585 * Reconcile all app data for the given user. 21586 * <p> 21587 * Verifies that directories exist and that ownership and labeling is 21588 * correct for all installed apps on all mounted volumes. 21589 */ 21590 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 21591 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21592 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21593 final String volumeUuid = vol.getFsUuid(); 21594 synchronized (mInstallLock) { 21595 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 21596 } 21597 } 21598 } 21599 21600 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21601 boolean migrateAppData) { 21602 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 21603 } 21604 21605 /** 21606 * Reconcile all app data on given mounted volume. 21607 * <p> 21608 * Destroys app data that isn't expected, either due to uninstallation or 21609 * reinstallation on another volume. 21610 * <p> 21611 * Verifies that directories exist and that ownership and labeling is 21612 * correct for all installed apps. 21613 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 21614 */ 21615 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21616 boolean migrateAppData, boolean onlyCoreApps) { 21617 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 21618 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 21619 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 21620 21621 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 21622 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 21623 21624 // First look for stale data that doesn't belong, and check if things 21625 // have changed since we did our last restorecon 21626 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21627 if (StorageManager.isFileEncryptedNativeOrEmulated() 21628 && !StorageManager.isUserKeyUnlocked(userId)) { 21629 throw new RuntimeException( 21630 "Yikes, someone asked us to reconcile CE storage while " + userId 21631 + " was still locked; this would have caused massive data loss!"); 21632 } 21633 21634 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 21635 for (File file : files) { 21636 final String packageName = file.getName(); 21637 try { 21638 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21639 } catch (PackageManagerException e) { 21640 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21641 try { 21642 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21643 StorageManager.FLAG_STORAGE_CE, 0); 21644 } catch (InstallerException e2) { 21645 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21646 } 21647 } 21648 } 21649 } 21650 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21651 final File[] files = FileUtils.listFilesOrEmpty(deDir); 21652 for (File file : files) { 21653 final String packageName = file.getName(); 21654 try { 21655 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21656 } catch (PackageManagerException e) { 21657 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21658 try { 21659 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21660 StorageManager.FLAG_STORAGE_DE, 0); 21661 } catch (InstallerException e2) { 21662 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21663 } 21664 } 21665 } 21666 } 21667 21668 // Ensure that data directories are ready to roll for all packages 21669 // installed for this volume and user 21670 final List<PackageSetting> packages; 21671 synchronized (mPackages) { 21672 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21673 } 21674 int preparedCount = 0; 21675 for (PackageSetting ps : packages) { 21676 final String packageName = ps.name; 21677 if (ps.pkg == null) { 21678 Slog.w(TAG, "Odd, missing scanned package " + packageName); 21679 // TODO: might be due to legacy ASEC apps; we should circle back 21680 // and reconcile again once they're scanned 21681 continue; 21682 } 21683 // Skip non-core apps if requested 21684 if (onlyCoreApps && !ps.pkg.coreApp) { 21685 result.add(packageName); 21686 continue; 21687 } 21688 21689 if (ps.getInstalled(userId)) { 21690 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 21691 preparedCount++; 21692 } 21693 } 21694 21695 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 21696 return result; 21697 } 21698 21699 /** 21700 * Prepare app data for the given app just after it was installed or 21701 * upgraded. This method carefully only touches users that it's installed 21702 * for, and it forces a restorecon to handle any seinfo changes. 21703 * <p> 21704 * Verifies that directories exist and that ownership and labeling is 21705 * correct for all installed apps. If there is an ownership mismatch, it 21706 * will try recovering system apps by wiping data; third-party app data is 21707 * left intact. 21708 * <p> 21709 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 21710 */ 21711 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 21712 final PackageSetting ps; 21713 synchronized (mPackages) { 21714 ps = mSettings.mPackages.get(pkg.packageName); 21715 mSettings.writeKernelMappingLPr(ps); 21716 } 21717 21718 final UserManager um = mContext.getSystemService(UserManager.class); 21719 UserManagerInternal umInternal = getUserManagerInternal(); 21720 for (UserInfo user : um.getUsers()) { 21721 final int flags; 21722 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21723 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21724 } else if (umInternal.isUserRunning(user.id)) { 21725 flags = StorageManager.FLAG_STORAGE_DE; 21726 } else { 21727 continue; 21728 } 21729 21730 if (ps.getInstalled(user.id)) { 21731 // TODO: when user data is locked, mark that we're still dirty 21732 prepareAppDataLIF(pkg, user.id, flags); 21733 } 21734 } 21735 } 21736 21737 /** 21738 * Prepare app data for the given app. 21739 * <p> 21740 * Verifies that directories exist and that ownership and labeling is 21741 * correct for all installed apps. If there is an ownership mismatch, this 21742 * will try recovering system apps by wiping data; third-party app data is 21743 * left intact. 21744 */ 21745 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 21746 if (pkg == null) { 21747 Slog.wtf(TAG, "Package was null!", new Throwable()); 21748 return; 21749 } 21750 prepareAppDataLeafLIF(pkg, userId, flags); 21751 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21752 for (int i = 0; i < childCount; i++) { 21753 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 21754 } 21755 } 21756 21757 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 21758 boolean maybeMigrateAppData) { 21759 prepareAppDataLIF(pkg, userId, flags); 21760 21761 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 21762 // We may have just shuffled around app data directories, so 21763 // prepare them one more time 21764 prepareAppDataLIF(pkg, userId, flags); 21765 } 21766 } 21767 21768 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21769 if (DEBUG_APP_DATA) { 21770 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 21771 + Integer.toHexString(flags)); 21772 } 21773 21774 final String volumeUuid = pkg.volumeUuid; 21775 final String packageName = pkg.packageName; 21776 final ApplicationInfo app = pkg.applicationInfo; 21777 final int appId = UserHandle.getAppId(app.uid); 21778 21779 Preconditions.checkNotNull(app.seInfo); 21780 21781 long ceDataInode = -1; 21782 try { 21783 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21784 appId, app.seInfo, app.targetSdkVersion); 21785 } catch (InstallerException e) { 21786 if (app.isSystemApp()) { 21787 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 21788 + ", but trying to recover: " + e); 21789 destroyAppDataLeafLIF(pkg, userId, flags); 21790 try { 21791 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21792 appId, app.seInfo, app.targetSdkVersion); 21793 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 21794 } catch (InstallerException e2) { 21795 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 21796 } 21797 } else { 21798 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 21799 } 21800 } 21801 21802 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 21803 // TODO: mark this structure as dirty so we persist it! 21804 synchronized (mPackages) { 21805 final PackageSetting ps = mSettings.mPackages.get(packageName); 21806 if (ps != null) { 21807 ps.setCeDataInode(ceDataInode, userId); 21808 } 21809 } 21810 } 21811 21812 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21813 } 21814 21815 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 21816 if (pkg == null) { 21817 Slog.wtf(TAG, "Package was null!", new Throwable()); 21818 return; 21819 } 21820 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21821 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21822 for (int i = 0; i < childCount; i++) { 21823 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 21824 } 21825 } 21826 21827 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21828 final String volumeUuid = pkg.volumeUuid; 21829 final String packageName = pkg.packageName; 21830 final ApplicationInfo app = pkg.applicationInfo; 21831 21832 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21833 // Create a native library symlink only if we have native libraries 21834 // and if the native libraries are 32 bit libraries. We do not provide 21835 // this symlink for 64 bit libraries. 21836 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 21837 final String nativeLibPath = app.nativeLibraryDir; 21838 try { 21839 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 21840 nativeLibPath, userId); 21841 } catch (InstallerException e) { 21842 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 21843 } 21844 } 21845 } 21846 } 21847 21848 /** 21849 * For system apps on non-FBE devices, this method migrates any existing 21850 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 21851 * requested by the app. 21852 */ 21853 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 21854 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 21855 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 21856 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 21857 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 21858 try { 21859 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 21860 storageTarget); 21861 } catch (InstallerException e) { 21862 logCriticalInfo(Log.WARN, 21863 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 21864 } 21865 return true; 21866 } else { 21867 return false; 21868 } 21869 } 21870 21871 public PackageFreezer freezePackage(String packageName, String killReason) { 21872 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 21873 } 21874 21875 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 21876 return new PackageFreezer(packageName, userId, killReason); 21877 } 21878 21879 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 21880 String killReason) { 21881 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 21882 } 21883 21884 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 21885 String killReason) { 21886 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 21887 return new PackageFreezer(); 21888 } else { 21889 return freezePackage(packageName, userId, killReason); 21890 } 21891 } 21892 21893 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 21894 String killReason) { 21895 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 21896 } 21897 21898 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 21899 String killReason) { 21900 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 21901 return new PackageFreezer(); 21902 } else { 21903 return freezePackage(packageName, userId, killReason); 21904 } 21905 } 21906 21907 /** 21908 * Class that freezes and kills the given package upon creation, and 21909 * unfreezes it upon closing. This is typically used when doing surgery on 21910 * app code/data to prevent the app from running while you're working. 21911 */ 21912 private class PackageFreezer implements AutoCloseable { 21913 private final String mPackageName; 21914 private final PackageFreezer[] mChildren; 21915 21916 private final boolean mWeFroze; 21917 21918 private final AtomicBoolean mClosed = new AtomicBoolean(); 21919 private final CloseGuard mCloseGuard = CloseGuard.get(); 21920 21921 /** 21922 * Create and return a stub freezer that doesn't actually do anything, 21923 * typically used when someone requested 21924 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 21925 * {@link PackageManager#DELETE_DONT_KILL_APP}. 21926 */ 21927 public PackageFreezer() { 21928 mPackageName = null; 21929 mChildren = null; 21930 mWeFroze = false; 21931 mCloseGuard.open("close"); 21932 } 21933 21934 public PackageFreezer(String packageName, int userId, String killReason) { 21935 synchronized (mPackages) { 21936 mPackageName = packageName; 21937 mWeFroze = mFrozenPackages.add(mPackageName); 21938 21939 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 21940 if (ps != null) { 21941 killApplication(ps.name, ps.appId, userId, killReason); 21942 } 21943 21944 final PackageParser.Package p = mPackages.get(packageName); 21945 if (p != null && p.childPackages != null) { 21946 final int N = p.childPackages.size(); 21947 mChildren = new PackageFreezer[N]; 21948 for (int i = 0; i < N; i++) { 21949 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 21950 userId, killReason); 21951 } 21952 } else { 21953 mChildren = null; 21954 } 21955 } 21956 mCloseGuard.open("close"); 21957 } 21958 21959 @Override 21960 protected void finalize() throws Throwable { 21961 try { 21962 mCloseGuard.warnIfOpen(); 21963 close(); 21964 } finally { 21965 super.finalize(); 21966 } 21967 } 21968 21969 @Override 21970 public void close() { 21971 mCloseGuard.close(); 21972 if (mClosed.compareAndSet(false, true)) { 21973 synchronized (mPackages) { 21974 if (mWeFroze) { 21975 mFrozenPackages.remove(mPackageName); 21976 } 21977 21978 if (mChildren != null) { 21979 for (PackageFreezer freezer : mChildren) { 21980 freezer.close(); 21981 } 21982 } 21983 } 21984 } 21985 } 21986 } 21987 21988 /** 21989 * Verify that given package is currently frozen. 21990 */ 21991 private void checkPackageFrozen(String packageName) { 21992 synchronized (mPackages) { 21993 if (!mFrozenPackages.contains(packageName)) { 21994 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 21995 } 21996 } 21997 } 21998 21999 @Override 22000 public int movePackage(final String packageName, final String volumeUuid) { 22001 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22002 22003 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 22004 final int moveId = mNextMoveId.getAndIncrement(); 22005 mHandler.post(new Runnable() { 22006 @Override 22007 public void run() { 22008 try { 22009 movePackageInternal(packageName, volumeUuid, moveId, user); 22010 } catch (PackageManagerException e) { 22011 Slog.w(TAG, "Failed to move " + packageName, e); 22012 mMoveCallbacks.notifyStatusChanged(moveId, 22013 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22014 } 22015 } 22016 }); 22017 return moveId; 22018 } 22019 22020 private void movePackageInternal(final String packageName, final String volumeUuid, 22021 final int moveId, UserHandle user) throws PackageManagerException { 22022 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22023 final PackageManager pm = mContext.getPackageManager(); 22024 22025 final boolean currentAsec; 22026 final String currentVolumeUuid; 22027 final File codeFile; 22028 final String installerPackageName; 22029 final String packageAbiOverride; 22030 final int appId; 22031 final String seinfo; 22032 final String label; 22033 final int targetSdkVersion; 22034 final PackageFreezer freezer; 22035 final int[] installedUserIds; 22036 22037 // reader 22038 synchronized (mPackages) { 22039 final PackageParser.Package pkg = mPackages.get(packageName); 22040 final PackageSetting ps = mSettings.mPackages.get(packageName); 22041 if (pkg == null || ps == null) { 22042 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 22043 } 22044 22045 if (pkg.applicationInfo.isSystemApp()) { 22046 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 22047 "Cannot move system application"); 22048 } 22049 22050 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 22051 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 22052 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 22053 if (isInternalStorage && !allow3rdPartyOnInternal) { 22054 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 22055 "3rd party apps are not allowed on internal storage"); 22056 } 22057 22058 if (pkg.applicationInfo.isExternalAsec()) { 22059 currentAsec = true; 22060 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 22061 } else if (pkg.applicationInfo.isForwardLocked()) { 22062 currentAsec = true; 22063 currentVolumeUuid = "forward_locked"; 22064 } else { 22065 currentAsec = false; 22066 currentVolumeUuid = ps.volumeUuid; 22067 22068 final File probe = new File(pkg.codePath); 22069 final File probeOat = new File(probe, "oat"); 22070 if (!probe.isDirectory() || !probeOat.isDirectory()) { 22071 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22072 "Move only supported for modern cluster style installs"); 22073 } 22074 } 22075 22076 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 22077 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22078 "Package already moved to " + volumeUuid); 22079 } 22080 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 22081 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 22082 "Device admin cannot be moved"); 22083 } 22084 22085 if (mFrozenPackages.contains(packageName)) { 22086 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 22087 "Failed to move already frozen package"); 22088 } 22089 22090 codeFile = new File(pkg.codePath); 22091 installerPackageName = ps.installerPackageName; 22092 packageAbiOverride = ps.cpuAbiOverrideString; 22093 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22094 seinfo = pkg.applicationInfo.seInfo; 22095 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22096 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22097 freezer = freezePackage(packageName, "movePackageInternal"); 22098 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22099 } 22100 22101 final Bundle extras = new Bundle(); 22102 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22103 extras.putString(Intent.EXTRA_TITLE, label); 22104 mMoveCallbacks.notifyCreated(moveId, extras); 22105 22106 int installFlags; 22107 final boolean moveCompleteApp; 22108 final File measurePath; 22109 22110 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22111 installFlags = INSTALL_INTERNAL; 22112 moveCompleteApp = !currentAsec; 22113 measurePath = Environment.getDataAppDirectory(volumeUuid); 22114 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22115 installFlags = INSTALL_EXTERNAL; 22116 moveCompleteApp = false; 22117 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22118 } else { 22119 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22120 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22121 || !volume.isMountedWritable()) { 22122 freezer.close(); 22123 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22124 "Move location not mounted private volume"); 22125 } 22126 22127 Preconditions.checkState(!currentAsec); 22128 22129 installFlags = INSTALL_INTERNAL; 22130 moveCompleteApp = true; 22131 measurePath = Environment.getDataAppDirectory(volumeUuid); 22132 } 22133 22134 final PackageStats stats = new PackageStats(null, -1); 22135 synchronized (mInstaller) { 22136 for (int userId : installedUserIds) { 22137 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22138 freezer.close(); 22139 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22140 "Failed to measure package size"); 22141 } 22142 } 22143 } 22144 22145 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22146 + stats.dataSize); 22147 22148 final long startFreeBytes = measurePath.getFreeSpace(); 22149 final long sizeBytes; 22150 if (moveCompleteApp) { 22151 sizeBytes = stats.codeSize + stats.dataSize; 22152 } else { 22153 sizeBytes = stats.codeSize; 22154 } 22155 22156 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22157 freezer.close(); 22158 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22159 "Not enough free space to move"); 22160 } 22161 22162 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22163 22164 final CountDownLatch installedLatch = new CountDownLatch(1); 22165 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22166 @Override 22167 public void onUserActionRequired(Intent intent) throws RemoteException { 22168 throw new IllegalStateException(); 22169 } 22170 22171 @Override 22172 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22173 Bundle extras) throws RemoteException { 22174 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22175 + PackageManager.installStatusToString(returnCode, msg)); 22176 22177 installedLatch.countDown(); 22178 freezer.close(); 22179 22180 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22181 switch (status) { 22182 case PackageInstaller.STATUS_SUCCESS: 22183 mMoveCallbacks.notifyStatusChanged(moveId, 22184 PackageManager.MOVE_SUCCEEDED); 22185 break; 22186 case PackageInstaller.STATUS_FAILURE_STORAGE: 22187 mMoveCallbacks.notifyStatusChanged(moveId, 22188 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22189 break; 22190 default: 22191 mMoveCallbacks.notifyStatusChanged(moveId, 22192 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22193 break; 22194 } 22195 } 22196 }; 22197 22198 final MoveInfo move; 22199 if (moveCompleteApp) { 22200 // Kick off a thread to report progress estimates 22201 new Thread() { 22202 @Override 22203 public void run() { 22204 while (true) { 22205 try { 22206 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22207 break; 22208 } 22209 } catch (InterruptedException ignored) { 22210 } 22211 22212 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 22213 final int progress = 10 + (int) MathUtils.constrain( 22214 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22215 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22216 } 22217 } 22218 }.start(); 22219 22220 final String dataAppName = codeFile.getName(); 22221 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22222 dataAppName, appId, seinfo, targetSdkVersion); 22223 } else { 22224 move = null; 22225 } 22226 22227 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22228 22229 final Message msg = mHandler.obtainMessage(INIT_COPY); 22230 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22231 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22232 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22233 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 22234 PackageManager.INSTALL_REASON_UNKNOWN); 22235 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22236 msg.obj = params; 22237 22238 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22239 System.identityHashCode(msg.obj)); 22240 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22241 System.identityHashCode(msg.obj)); 22242 22243 mHandler.sendMessage(msg); 22244 } 22245 22246 @Override 22247 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22248 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22249 22250 final int realMoveId = mNextMoveId.getAndIncrement(); 22251 final Bundle extras = new Bundle(); 22252 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22253 mMoveCallbacks.notifyCreated(realMoveId, extras); 22254 22255 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22256 @Override 22257 public void onCreated(int moveId, Bundle extras) { 22258 // Ignored 22259 } 22260 22261 @Override 22262 public void onStatusChanged(int moveId, int status, long estMillis) { 22263 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22264 } 22265 }; 22266 22267 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22268 storage.setPrimaryStorageUuid(volumeUuid, callback); 22269 return realMoveId; 22270 } 22271 22272 @Override 22273 public int getMoveStatus(int moveId) { 22274 mContext.enforceCallingOrSelfPermission( 22275 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22276 return mMoveCallbacks.mLastStatus.get(moveId); 22277 } 22278 22279 @Override 22280 public void registerMoveCallback(IPackageMoveObserver callback) { 22281 mContext.enforceCallingOrSelfPermission( 22282 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22283 mMoveCallbacks.register(callback); 22284 } 22285 22286 @Override 22287 public void unregisterMoveCallback(IPackageMoveObserver callback) { 22288 mContext.enforceCallingOrSelfPermission( 22289 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22290 mMoveCallbacks.unregister(callback); 22291 } 22292 22293 @Override 22294 public boolean setInstallLocation(int loc) { 22295 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 22296 null); 22297 if (getInstallLocation() == loc) { 22298 return true; 22299 } 22300 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 22301 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 22302 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 22303 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 22304 return true; 22305 } 22306 return false; 22307 } 22308 22309 @Override 22310 public int getInstallLocation() { 22311 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 22312 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 22313 PackageHelper.APP_INSTALL_AUTO); 22314 } 22315 22316 /** Called by UserManagerService */ 22317 void cleanUpUser(UserManagerService userManager, int userHandle) { 22318 synchronized (mPackages) { 22319 mDirtyUsers.remove(userHandle); 22320 mUserNeedsBadging.delete(userHandle); 22321 mSettings.removeUserLPw(userHandle); 22322 mPendingBroadcasts.remove(userHandle); 22323 mInstantAppRegistry.onUserRemovedLPw(userHandle); 22324 removeUnusedPackagesLPw(userManager, userHandle); 22325 } 22326 } 22327 22328 /** 22329 * We're removing userHandle and would like to remove any downloaded packages 22330 * that are no longer in use by any other user. 22331 * @param userHandle the user being removed 22332 */ 22333 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 22334 final boolean DEBUG_CLEAN_APKS = false; 22335 int [] users = userManager.getUserIds(); 22336 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 22337 while (psit.hasNext()) { 22338 PackageSetting ps = psit.next(); 22339 if (ps.pkg == null) { 22340 continue; 22341 } 22342 final String packageName = ps.pkg.packageName; 22343 // Skip over if system app 22344 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22345 continue; 22346 } 22347 if (DEBUG_CLEAN_APKS) { 22348 Slog.i(TAG, "Checking package " + packageName); 22349 } 22350 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 22351 if (keep) { 22352 if (DEBUG_CLEAN_APKS) { 22353 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 22354 } 22355 } else { 22356 for (int i = 0; i < users.length; i++) { 22357 if (users[i] != userHandle && ps.getInstalled(users[i])) { 22358 keep = true; 22359 if (DEBUG_CLEAN_APKS) { 22360 Slog.i(TAG, " Keeping package " + packageName + " for user " 22361 + users[i]); 22362 } 22363 break; 22364 } 22365 } 22366 } 22367 if (!keep) { 22368 if (DEBUG_CLEAN_APKS) { 22369 Slog.i(TAG, " Removing package " + packageName); 22370 } 22371 mHandler.post(new Runnable() { 22372 public void run() { 22373 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22374 userHandle, 0); 22375 } //end run 22376 }); 22377 } 22378 } 22379 } 22380 22381 /** Called by UserManagerService */ 22382 void createNewUser(int userId, String[] disallowedPackages) { 22383 synchronized (mInstallLock) { 22384 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 22385 } 22386 synchronized (mPackages) { 22387 scheduleWritePackageRestrictionsLocked(userId); 22388 scheduleWritePackageListLocked(userId); 22389 applyFactoryDefaultBrowserLPw(userId); 22390 primeDomainVerificationsLPw(userId); 22391 } 22392 } 22393 22394 void onNewUserCreated(final int userId) { 22395 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 22396 // If permission review for legacy apps is required, we represent 22397 // dagerous permissions for such apps as always granted runtime 22398 // permissions to keep per user flag state whether review is needed. 22399 // Hence, if a new user is added we have to propagate dangerous 22400 // permission grants for these legacy apps. 22401 if (mPermissionReviewRequired) { 22402 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 22403 | UPDATE_PERMISSIONS_REPLACE_ALL); 22404 } 22405 } 22406 22407 @Override 22408 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22409 mContext.enforceCallingOrSelfPermission( 22410 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22411 "Only package verification agents can read the verifier device identity"); 22412 22413 synchronized (mPackages) { 22414 return mSettings.getVerifierDeviceIdentityLPw(); 22415 } 22416 } 22417 22418 @Override 22419 public void setPermissionEnforced(String permission, boolean enforced) { 22420 // TODO: Now that we no longer change GID for storage, this should to away. 22421 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22422 "setPermissionEnforced"); 22423 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22424 synchronized (mPackages) { 22425 if (mSettings.mReadExternalStorageEnforced == null 22426 || mSettings.mReadExternalStorageEnforced != enforced) { 22427 mSettings.mReadExternalStorageEnforced = enforced; 22428 mSettings.writeLPr(); 22429 } 22430 } 22431 // kill any non-foreground processes so we restart them and 22432 // grant/revoke the GID. 22433 final IActivityManager am = ActivityManager.getService(); 22434 if (am != null) { 22435 final long token = Binder.clearCallingIdentity(); 22436 try { 22437 am.killProcessesBelowForeground("setPermissionEnforcement"); 22438 } catch (RemoteException e) { 22439 } finally { 22440 Binder.restoreCallingIdentity(token); 22441 } 22442 } 22443 } else { 22444 throw new IllegalArgumentException("No selective enforcement for " + permission); 22445 } 22446 } 22447 22448 @Override 22449 @Deprecated 22450 public boolean isPermissionEnforced(String permission) { 22451 return true; 22452 } 22453 22454 @Override 22455 public boolean isStorageLow() { 22456 final long token = Binder.clearCallingIdentity(); 22457 try { 22458 final DeviceStorageMonitorInternal 22459 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22460 if (dsm != null) { 22461 return dsm.isMemoryLow(); 22462 } else { 22463 return false; 22464 } 22465 } finally { 22466 Binder.restoreCallingIdentity(token); 22467 } 22468 } 22469 22470 @Override 22471 public IPackageInstaller getPackageInstaller() { 22472 return mInstallerService; 22473 } 22474 22475 private boolean userNeedsBadging(int userId) { 22476 int index = mUserNeedsBadging.indexOfKey(userId); 22477 if (index < 0) { 22478 final UserInfo userInfo; 22479 final long token = Binder.clearCallingIdentity(); 22480 try { 22481 userInfo = sUserManager.getUserInfo(userId); 22482 } finally { 22483 Binder.restoreCallingIdentity(token); 22484 } 22485 final boolean b; 22486 if (userInfo != null && userInfo.isManagedProfile()) { 22487 b = true; 22488 } else { 22489 b = false; 22490 } 22491 mUserNeedsBadging.put(userId, b); 22492 return b; 22493 } 22494 return mUserNeedsBadging.valueAt(index); 22495 } 22496 22497 @Override 22498 public KeySet getKeySetByAlias(String packageName, String alias) { 22499 if (packageName == null || alias == null) { 22500 return null; 22501 } 22502 synchronized(mPackages) { 22503 final PackageParser.Package pkg = mPackages.get(packageName); 22504 if (pkg == null) { 22505 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22506 throw new IllegalArgumentException("Unknown package: " + packageName); 22507 } 22508 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22509 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22510 } 22511 } 22512 22513 @Override 22514 public KeySet getSigningKeySet(String packageName) { 22515 if (packageName == null) { 22516 return null; 22517 } 22518 synchronized(mPackages) { 22519 final PackageParser.Package pkg = mPackages.get(packageName); 22520 if (pkg == null) { 22521 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22522 throw new IllegalArgumentException("Unknown package: " + packageName); 22523 } 22524 if (pkg.applicationInfo.uid != Binder.getCallingUid() 22525 && Process.SYSTEM_UID != Binder.getCallingUid()) { 22526 throw new SecurityException("May not access signing KeySet of other apps."); 22527 } 22528 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22529 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22530 } 22531 } 22532 22533 @Override 22534 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22535 if (packageName == null || ks == null) { 22536 return false; 22537 } 22538 synchronized(mPackages) { 22539 final PackageParser.Package pkg = mPackages.get(packageName); 22540 if (pkg == null) { 22541 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22542 throw new IllegalArgumentException("Unknown package: " + packageName); 22543 } 22544 IBinder ksh = ks.getToken(); 22545 if (ksh instanceof KeySetHandle) { 22546 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22547 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22548 } 22549 return false; 22550 } 22551 } 22552 22553 @Override 22554 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 22555 if (packageName == null || ks == null) { 22556 return false; 22557 } 22558 synchronized(mPackages) { 22559 final PackageParser.Package pkg = mPackages.get(packageName); 22560 if (pkg == null) { 22561 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22562 throw new IllegalArgumentException("Unknown package: " + packageName); 22563 } 22564 IBinder ksh = ks.getToken(); 22565 if (ksh instanceof KeySetHandle) { 22566 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22567 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22568 } 22569 return false; 22570 } 22571 } 22572 22573 private void deletePackageIfUnusedLPr(final String packageName) { 22574 PackageSetting ps = mSettings.mPackages.get(packageName); 22575 if (ps == null) { 22576 return; 22577 } 22578 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 22579 // TODO Implement atomic delete if package is unused 22580 // It is currently possible that the package will be deleted even if it is installed 22581 // after this method returns. 22582 mHandler.post(new Runnable() { 22583 public void run() { 22584 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22585 0, PackageManager.DELETE_ALL_USERS); 22586 } 22587 }); 22588 } 22589 } 22590 22591 /** 22592 * Check and throw if the given before/after packages would be considered a 22593 * downgrade. 22594 */ 22595 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 22596 throws PackageManagerException { 22597 if (after.versionCode < before.mVersionCode) { 22598 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22599 "Update version code " + after.versionCode + " is older than current " 22600 + before.mVersionCode); 22601 } else if (after.versionCode == before.mVersionCode) { 22602 if (after.baseRevisionCode < before.baseRevisionCode) { 22603 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22604 "Update base revision code " + after.baseRevisionCode 22605 + " is older than current " + before.baseRevisionCode); 22606 } 22607 22608 if (!ArrayUtils.isEmpty(after.splitNames)) { 22609 for (int i = 0; i < after.splitNames.length; i++) { 22610 final String splitName = after.splitNames[i]; 22611 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 22612 if (j != -1) { 22613 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 22614 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22615 "Update split " + splitName + " revision code " 22616 + after.splitRevisionCodes[i] + " is older than current " 22617 + before.splitRevisionCodes[j]); 22618 } 22619 } 22620 } 22621 } 22622 } 22623 } 22624 22625 private static class MoveCallbacks extends Handler { 22626 private static final int MSG_CREATED = 1; 22627 private static final int MSG_STATUS_CHANGED = 2; 22628 22629 private final RemoteCallbackList<IPackageMoveObserver> 22630 mCallbacks = new RemoteCallbackList<>(); 22631 22632 private final SparseIntArray mLastStatus = new SparseIntArray(); 22633 22634 public MoveCallbacks(Looper looper) { 22635 super(looper); 22636 } 22637 22638 public void register(IPackageMoveObserver callback) { 22639 mCallbacks.register(callback); 22640 } 22641 22642 public void unregister(IPackageMoveObserver callback) { 22643 mCallbacks.unregister(callback); 22644 } 22645 22646 @Override 22647 public void handleMessage(Message msg) { 22648 final SomeArgs args = (SomeArgs) msg.obj; 22649 final int n = mCallbacks.beginBroadcast(); 22650 for (int i = 0; i < n; i++) { 22651 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 22652 try { 22653 invokeCallback(callback, msg.what, args); 22654 } catch (RemoteException ignored) { 22655 } 22656 } 22657 mCallbacks.finishBroadcast(); 22658 args.recycle(); 22659 } 22660 22661 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 22662 throws RemoteException { 22663 switch (what) { 22664 case MSG_CREATED: { 22665 callback.onCreated(args.argi1, (Bundle) args.arg2); 22666 break; 22667 } 22668 case MSG_STATUS_CHANGED: { 22669 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 22670 break; 22671 } 22672 } 22673 } 22674 22675 private void notifyCreated(int moveId, Bundle extras) { 22676 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 22677 22678 final SomeArgs args = SomeArgs.obtain(); 22679 args.argi1 = moveId; 22680 args.arg2 = extras; 22681 obtainMessage(MSG_CREATED, args).sendToTarget(); 22682 } 22683 22684 private void notifyStatusChanged(int moveId, int status) { 22685 notifyStatusChanged(moveId, status, -1); 22686 } 22687 22688 private void notifyStatusChanged(int moveId, int status, long estMillis) { 22689 Slog.v(TAG, "Move " + moveId + " status " + status); 22690 22691 final SomeArgs args = SomeArgs.obtain(); 22692 args.argi1 = moveId; 22693 args.argi2 = status; 22694 args.arg3 = estMillis; 22695 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 22696 22697 synchronized (mLastStatus) { 22698 mLastStatus.put(moveId, status); 22699 } 22700 } 22701 } 22702 22703 private final static class OnPermissionChangeListeners extends Handler { 22704 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 22705 22706 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 22707 new RemoteCallbackList<>(); 22708 22709 public OnPermissionChangeListeners(Looper looper) { 22710 super(looper); 22711 } 22712 22713 @Override 22714 public void handleMessage(Message msg) { 22715 switch (msg.what) { 22716 case MSG_ON_PERMISSIONS_CHANGED: { 22717 final int uid = msg.arg1; 22718 handleOnPermissionsChanged(uid); 22719 } break; 22720 } 22721 } 22722 22723 public void addListenerLocked(IOnPermissionsChangeListener listener) { 22724 mPermissionListeners.register(listener); 22725 22726 } 22727 22728 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 22729 mPermissionListeners.unregister(listener); 22730 } 22731 22732 public void onPermissionsChanged(int uid) { 22733 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 22734 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 22735 } 22736 } 22737 22738 private void handleOnPermissionsChanged(int uid) { 22739 final int count = mPermissionListeners.beginBroadcast(); 22740 try { 22741 for (int i = 0; i < count; i++) { 22742 IOnPermissionsChangeListener callback = mPermissionListeners 22743 .getBroadcastItem(i); 22744 try { 22745 callback.onPermissionsChanged(uid); 22746 } catch (RemoteException e) { 22747 Log.e(TAG, "Permission listener is dead", e); 22748 } 22749 } 22750 } finally { 22751 mPermissionListeners.finishBroadcast(); 22752 } 22753 } 22754 } 22755 22756 private class PackageManagerInternalImpl extends PackageManagerInternal { 22757 @Override 22758 public void setLocationPackagesProvider(PackagesProvider provider) { 22759 synchronized (mPackages) { 22760 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 22761 } 22762 } 22763 22764 @Override 22765 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 22766 synchronized (mPackages) { 22767 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 22768 } 22769 } 22770 22771 @Override 22772 public void setSmsAppPackagesProvider(PackagesProvider provider) { 22773 synchronized (mPackages) { 22774 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 22775 } 22776 } 22777 22778 @Override 22779 public void setDialerAppPackagesProvider(PackagesProvider provider) { 22780 synchronized (mPackages) { 22781 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 22782 } 22783 } 22784 22785 @Override 22786 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 22787 synchronized (mPackages) { 22788 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 22789 } 22790 } 22791 22792 @Override 22793 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 22794 synchronized (mPackages) { 22795 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 22796 } 22797 } 22798 22799 @Override 22800 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 22801 synchronized (mPackages) { 22802 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 22803 packageName, userId); 22804 } 22805 } 22806 22807 @Override 22808 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 22809 synchronized (mPackages) { 22810 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 22811 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 22812 packageName, userId); 22813 } 22814 } 22815 22816 @Override 22817 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 22818 synchronized (mPackages) { 22819 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 22820 packageName, userId); 22821 } 22822 } 22823 22824 @Override 22825 public void setKeepUninstalledPackages(final List<String> packageList) { 22826 Preconditions.checkNotNull(packageList); 22827 List<String> removedFromList = null; 22828 synchronized (mPackages) { 22829 if (mKeepUninstalledPackages != null) { 22830 final int packagesCount = mKeepUninstalledPackages.size(); 22831 for (int i = 0; i < packagesCount; i++) { 22832 String oldPackage = mKeepUninstalledPackages.get(i); 22833 if (packageList != null && packageList.contains(oldPackage)) { 22834 continue; 22835 } 22836 if (removedFromList == null) { 22837 removedFromList = new ArrayList<>(); 22838 } 22839 removedFromList.add(oldPackage); 22840 } 22841 } 22842 mKeepUninstalledPackages = new ArrayList<>(packageList); 22843 if (removedFromList != null) { 22844 final int removedCount = removedFromList.size(); 22845 for (int i = 0; i < removedCount; i++) { 22846 deletePackageIfUnusedLPr(removedFromList.get(i)); 22847 } 22848 } 22849 } 22850 } 22851 22852 @Override 22853 public boolean isPermissionsReviewRequired(String packageName, int userId) { 22854 synchronized (mPackages) { 22855 // If we do not support permission review, done. 22856 if (!mPermissionReviewRequired) { 22857 return false; 22858 } 22859 22860 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 22861 if (packageSetting == null) { 22862 return false; 22863 } 22864 22865 // Permission review applies only to apps not supporting the new permission model. 22866 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 22867 return false; 22868 } 22869 22870 // Legacy apps have the permission and get user consent on launch. 22871 PermissionsState permissionsState = packageSetting.getPermissionsState(); 22872 return permissionsState.isPermissionReviewRequired(userId); 22873 } 22874 } 22875 22876 @Override 22877 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 22878 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 22879 } 22880 22881 @Override 22882 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 22883 int userId) { 22884 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 22885 } 22886 22887 @Override 22888 public void setDeviceAndProfileOwnerPackages( 22889 int deviceOwnerUserId, String deviceOwnerPackage, 22890 SparseArray<String> profileOwnerPackages) { 22891 mProtectedPackages.setDeviceAndProfileOwnerPackages( 22892 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 22893 } 22894 22895 @Override 22896 public boolean isPackageDataProtected(int userId, String packageName) { 22897 return mProtectedPackages.isPackageDataProtected(userId, packageName); 22898 } 22899 22900 @Override 22901 public boolean isPackageEphemeral(int userId, String packageName) { 22902 synchronized (mPackages) { 22903 final PackageSetting ps = mSettings.mPackages.get(packageName); 22904 return ps != null ? ps.getInstantApp(userId) : false; 22905 } 22906 } 22907 22908 @Override 22909 public boolean wasPackageEverLaunched(String packageName, int userId) { 22910 synchronized (mPackages) { 22911 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 22912 } 22913 } 22914 22915 @Override 22916 public void grantRuntimePermission(String packageName, String name, int userId, 22917 boolean overridePolicy) { 22918 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 22919 overridePolicy); 22920 } 22921 22922 @Override 22923 public void revokeRuntimePermission(String packageName, String name, int userId, 22924 boolean overridePolicy) { 22925 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 22926 overridePolicy); 22927 } 22928 22929 @Override 22930 public String getNameForUid(int uid) { 22931 return PackageManagerService.this.getNameForUid(uid); 22932 } 22933 22934 @Override 22935 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 22936 Intent origIntent, String resolvedType, String callingPackage, int userId) { 22937 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 22938 responseObj, origIntent, resolvedType, callingPackage, userId); 22939 } 22940 22941 @Override 22942 public void grantEphemeralAccess(int userId, Intent intent, 22943 int targetAppId, int ephemeralAppId) { 22944 synchronized (mPackages) { 22945 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 22946 targetAppId, ephemeralAppId); 22947 } 22948 } 22949 22950 @Override 22951 public void pruneInstantApps() { 22952 synchronized (mPackages) { 22953 mInstantAppRegistry.pruneInstantAppsLPw(); 22954 } 22955 } 22956 22957 @Override 22958 public String getSetupWizardPackageName() { 22959 return mSetupWizardPackage; 22960 } 22961 22962 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 22963 if (policy != null) { 22964 mExternalSourcesPolicy = policy; 22965 } 22966 } 22967 22968 @Override 22969 public boolean isPackagePersistent(String packageName) { 22970 synchronized (mPackages) { 22971 PackageParser.Package pkg = mPackages.get(packageName); 22972 return pkg != null 22973 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 22974 | ApplicationInfo.FLAG_PERSISTENT)) == 22975 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 22976 : false; 22977 } 22978 } 22979 22980 @Override 22981 public List<PackageInfo> getOverlayPackages(int userId) { 22982 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 22983 synchronized (mPackages) { 22984 for (PackageParser.Package p : mPackages.values()) { 22985 if (p.mOverlayTarget != null) { 22986 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 22987 if (pkg != null) { 22988 overlayPackages.add(pkg); 22989 } 22990 } 22991 } 22992 } 22993 return overlayPackages; 22994 } 22995 22996 @Override 22997 public List<String> getTargetPackageNames(int userId) { 22998 List<String> targetPackages = new ArrayList<>(); 22999 synchronized (mPackages) { 23000 for (PackageParser.Package p : mPackages.values()) { 23001 if (p.mOverlayTarget == null) { 23002 targetPackages.add(p.packageName); 23003 } 23004 } 23005 } 23006 return targetPackages; 23007 } 23008 23009 23010 @Override 23011 public boolean setEnabledOverlayPackages(int userId, String targetPackageName, 23012 List<String> overlayPackageNames) { 23013 // TODO: implement when we integrate OMS properly 23014 return false; 23015 } 23016 } 23017 23018 @Override 23019 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 23020 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 23021 synchronized (mPackages) { 23022 final long identity = Binder.clearCallingIdentity(); 23023 try { 23024 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 23025 packageNames, userId); 23026 } finally { 23027 Binder.restoreCallingIdentity(identity); 23028 } 23029 } 23030 } 23031 23032 @Override 23033 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 23034 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 23035 synchronized (mPackages) { 23036 final long identity = Binder.clearCallingIdentity(); 23037 try { 23038 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServicesLPr( 23039 packageNames, userId); 23040 } finally { 23041 Binder.restoreCallingIdentity(identity); 23042 } 23043 } 23044 } 23045 23046 private static void enforceSystemOrPhoneCaller(String tag) { 23047 int callingUid = Binder.getCallingUid(); 23048 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 23049 throw new SecurityException( 23050 "Cannot call " + tag + " from UID " + callingUid); 23051 } 23052 } 23053 23054 boolean isHistoricalPackageUsageAvailable() { 23055 return mPackageUsage.isHistoricalPackageUsageAvailable(); 23056 } 23057 23058 /** 23059 * Return a <b>copy</b> of the collection of packages known to the package manager. 23060 * @return A copy of the values of mPackages. 23061 */ 23062 Collection<PackageParser.Package> getPackages() { 23063 synchronized (mPackages) { 23064 return new ArrayList<>(mPackages.values()); 23065 } 23066 } 23067 23068 /** 23069 * Logs process start information (including base APK hash) to the security log. 23070 * @hide 23071 */ 23072 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 23073 String apkFile, int pid) { 23074 if (!SecurityLog.isLoggingEnabled()) { 23075 return; 23076 } 23077 Bundle data = new Bundle(); 23078 data.putLong("startTimestamp", System.currentTimeMillis()); 23079 data.putString("processName", processName); 23080 data.putInt("uid", uid); 23081 data.putString("seinfo", seinfo); 23082 data.putString("apkFile", apkFile); 23083 data.putInt("pid", pid); 23084 Message msg = mProcessLoggingHandler.obtainMessage( 23085 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 23086 msg.setData(data); 23087 mProcessLoggingHandler.sendMessage(msg); 23088 } 23089 23090 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 23091 return mCompilerStats.getPackageStats(pkgName); 23092 } 23093 23094 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 23095 return getOrCreateCompilerPackageStats(pkg.packageName); 23096 } 23097 23098 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 23099 return mCompilerStats.getOrCreatePackageStats(pkgName); 23100 } 23101 23102 public void deleteCompilerPackageStats(String pkgName) { 23103 mCompilerStats.deletePackageStats(pkgName); 23104 } 23105 23106 @Override 23107 public int getInstallReason(String packageName, int userId) { 23108 enforceCrossUserPermission(Binder.getCallingUid(), userId, 23109 true /* requireFullPermission */, false /* checkShell */, 23110 "get install reason"); 23111 synchronized (mPackages) { 23112 final PackageSetting ps = mSettings.mPackages.get(packageName); 23113 if (ps != null) { 23114 return ps.getInstallReason(userId); 23115 } 23116 } 23117 return PackageManager.INSTALL_REASON_UNKNOWN; 23118 } 23119 23120 @Override 23121 public boolean canRequestPackageInstalls(String packageName, int userId) { 23122 int callingUid = Binder.getCallingUid(); 23123 int uid = getPackageUid(packageName, 0, userId); 23124 if (callingUid != uid && callingUid != Process.ROOT_UID 23125 && callingUid != Process.SYSTEM_UID) { 23126 throw new SecurityException( 23127 "Caller uid " + callingUid + " does not own package " + packageName); 23128 } 23129 ApplicationInfo info = getApplicationInfo(packageName, 0, userId); 23130 if (info == null) { 23131 return false; 23132 } 23133 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 23134 throw new UnsupportedOperationException( 23135 "Operation only supported on apps targeting Android O or higher"); 23136 } 23137 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 23138 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 23139 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 23140 throw new SecurityException("Need to declare " + appOpPermission + " to call this api"); 23141 } 23142 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 23143 return false; 23144 } 23145 if (mExternalSourcesPolicy != null) { 23146 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23147 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23148 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23149 } 23150 } 23151 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23152 } 23153} 23154