PackageManagerService.java revision 68f68701e69ceed0edb0e8831ce2ed507ba154a5
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_EPHEMERAL_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.ComponentInfo; 130import android.content.pm.InstantAppInfo; 131import android.content.pm.EphemeralRequest; 132import android.content.pm.EphemeralResolveInfo; 133import android.content.pm.EphemeralResponse; 134import android.content.pm.FallbackCategoryProvider; 135import android.content.pm.FeatureInfo; 136import android.content.pm.IOnPermissionsChangeListener; 137import android.content.pm.IPackageDataObserver; 138import android.content.pm.IPackageDeleteObserver; 139import android.content.pm.IPackageDeleteObserver2; 140import android.content.pm.IPackageInstallObserver2; 141import android.content.pm.IPackageInstaller; 142import android.content.pm.IPackageManager; 143import android.content.pm.IPackageMoveObserver; 144import android.content.pm.IPackageStatsObserver; 145import android.content.pm.InstrumentationInfo; 146import android.content.pm.IntentFilterVerificationInfo; 147import android.content.pm.KeySet; 148import android.content.pm.PackageCleanItem; 149import android.content.pm.PackageInfo; 150import android.content.pm.PackageInfoLite; 151import android.content.pm.PackageInstaller; 152import android.content.pm.PackageManager; 153import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 154import android.content.pm.PackageManagerInternal; 155import android.content.pm.PackageParser; 156import android.content.pm.PackageParser.ActivityIntentInfo; 157import android.content.pm.PackageParser.PackageLite; 158import android.content.pm.PackageParser.PackageParserException; 159import android.content.pm.PackageStats; 160import android.content.pm.PackageUserState; 161import android.content.pm.ParceledListSlice; 162import android.content.pm.PermissionGroupInfo; 163import android.content.pm.PermissionInfo; 164import android.content.pm.ProviderInfo; 165import android.content.pm.ResolveInfo; 166import android.content.pm.ServiceInfo; 167import android.content.pm.SharedLibraryInfo; 168import android.content.pm.Signature; 169import android.content.pm.UserInfo; 170import android.content.pm.VerifierDeviceIdentity; 171import android.content.pm.VerifierInfo; 172import android.content.pm.VersionedPackage; 173import android.content.res.Resources; 174import android.graphics.Bitmap; 175import android.hardware.display.DisplayManager; 176import android.net.Uri; 177import android.os.Binder; 178import android.os.Build; 179import android.os.Bundle; 180import android.os.Debug; 181import android.os.Environment; 182import android.os.Environment.UserEnvironment; 183import android.os.FileUtils; 184import android.os.Handler; 185import android.os.IBinder; 186import android.os.Looper; 187import android.os.Message; 188import android.os.Parcel; 189import android.os.ParcelFileDescriptor; 190import android.os.PatternMatcher; 191import android.os.Process; 192import android.os.RemoteCallbackList; 193import android.os.RemoteException; 194import android.os.ResultReceiver; 195import android.os.SELinux; 196import android.os.ServiceManager; 197import android.os.ShellCallback; 198import android.os.SystemClock; 199import android.os.SystemProperties; 200import android.os.Trace; 201import android.os.UserHandle; 202import android.os.UserManager; 203import android.os.UserManagerInternal; 204import android.os.storage.IStorageManager; 205import android.os.storage.StorageManagerInternal; 206import android.os.storage.StorageEventListener; 207import android.os.storage.StorageManager; 208import android.os.storage.VolumeInfo; 209import android.os.storage.VolumeRecord; 210import android.provider.Settings.Global; 211import android.provider.Settings.Secure; 212import android.security.KeyStore; 213import android.security.SystemKeyStore; 214import android.system.ErrnoException; 215import android.system.Os; 216import android.text.TextUtils; 217import android.text.format.DateUtils; 218import android.util.ArrayMap; 219import android.util.ArraySet; 220import android.util.Base64; 221import android.util.DisplayMetrics; 222import android.util.EventLog; 223import android.util.ExceptionUtils; 224import android.util.Log; 225import android.util.LogPrinter; 226import android.util.MathUtils; 227import android.util.PackageUtils; 228import android.util.Pair; 229import android.util.PrintStreamPrinter; 230import android.util.Slog; 231import android.util.SparseArray; 232import android.util.SparseBooleanArray; 233import android.util.SparseIntArray; 234import android.util.Xml; 235import android.util.jar.StrictJarFile; 236import android.view.Display; 237 238import com.android.internal.R; 239import com.android.internal.annotations.GuardedBy; 240import com.android.internal.app.IMediaContainerService; 241import com.android.internal.app.ResolverActivity; 242import com.android.internal.content.NativeLibraryHelper; 243import com.android.internal.content.PackageHelper; 244import com.android.internal.logging.MetricsLogger; 245import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 246import com.android.internal.os.IParcelFileDescriptorFactory; 247import com.android.internal.os.RoSystemProperties; 248import com.android.internal.os.SomeArgs; 249import com.android.internal.os.Zygote; 250import com.android.internal.telephony.CarrierAppUtils; 251import com.android.internal.util.ArrayUtils; 252import com.android.internal.util.FastPrintWriter; 253import com.android.internal.util.FastXmlSerializer; 254import com.android.internal.util.IndentingPrintWriter; 255import com.android.internal.util.Preconditions; 256import com.android.internal.util.XmlUtils; 257import com.android.server.AttributeCache; 258import com.android.server.BackgroundDexOptJobService; 259import com.android.server.EventLogTags; 260import com.android.server.FgThread; 261import com.android.server.IntentResolver; 262import com.android.server.LocalServices; 263import com.android.server.ServiceThread; 264import com.android.server.SystemConfig; 265import com.android.server.Watchdog; 266import com.android.server.net.NetworkPolicyManagerInternal; 267import com.android.server.pm.Installer.InstallerException; 268import com.android.server.pm.PermissionsState.PermissionState; 269import com.android.server.pm.Settings.DatabaseVersion; 270import com.android.server.pm.Settings.VersionInfo; 271import com.android.server.pm.dex.DexManager; 272import com.android.server.storage.DeviceStorageMonitorInternal; 273 274import dalvik.system.CloseGuard; 275import dalvik.system.DexFile; 276import dalvik.system.VMRuntime; 277 278import libcore.io.IoUtils; 279import libcore.util.EmptyArray; 280 281import org.xmlpull.v1.XmlPullParser; 282import org.xmlpull.v1.XmlPullParserException; 283import org.xmlpull.v1.XmlSerializer; 284 285import java.io.BufferedOutputStream; 286import java.io.BufferedReader; 287import java.io.ByteArrayInputStream; 288import java.io.ByteArrayOutputStream; 289import java.io.File; 290import java.io.FileDescriptor; 291import java.io.FileInputStream; 292import java.io.FileNotFoundException; 293import java.io.FileOutputStream; 294import java.io.FileReader; 295import java.io.FilenameFilter; 296import java.io.IOException; 297import java.io.PrintWriter; 298import java.nio.charset.StandardCharsets; 299import java.security.DigestInputStream; 300import java.security.MessageDigest; 301import java.security.NoSuchAlgorithmException; 302import java.security.PublicKey; 303import java.security.SecureRandom; 304import java.security.cert.Certificate; 305import java.security.cert.CertificateEncodingException; 306import java.security.cert.CertificateException; 307import java.text.SimpleDateFormat; 308import java.util.ArrayList; 309import java.util.Arrays; 310import java.util.Collection; 311import java.util.Collections; 312import java.util.Comparator; 313import java.util.Date; 314import java.util.HashSet; 315import java.util.HashMap; 316import java.util.Iterator; 317import java.util.List; 318import java.util.Map; 319import java.util.Objects; 320import java.util.Set; 321import java.util.concurrent.CountDownLatch; 322import java.util.concurrent.TimeUnit; 323import java.util.concurrent.atomic.AtomicBoolean; 324import java.util.concurrent.atomic.AtomicInteger; 325 326/** 327 * Keep track of all those APKs everywhere. 328 * <p> 329 * Internally there are two important locks: 330 * <ul> 331 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 332 * and other related state. It is a fine-grained lock that should only be held 333 * momentarily, as it's one of the most contended locks in the system. 334 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 335 * operations typically involve heavy lifting of application data on disk. Since 336 * {@code installd} is single-threaded, and it's operations can often be slow, 337 * this lock should never be acquired while already holding {@link #mPackages}. 338 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 339 * holding {@link #mInstallLock}. 340 * </ul> 341 * Many internal methods rely on the caller to hold the appropriate locks, and 342 * this contract is expressed through method name suffixes: 343 * <ul> 344 * <li>fooLI(): the caller must hold {@link #mInstallLock} 345 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 346 * being modified must be frozen 347 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 348 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 349 * </ul> 350 * <p> 351 * Because this class is very central to the platform's security; please run all 352 * CTS and unit tests whenever making modifications: 353 * 354 * <pre> 355 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 356 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 357 * </pre> 358 */ 359public class PackageManagerService extends IPackageManager.Stub { 360 static final String TAG = "PackageManager"; 361 static final boolean DEBUG_SETTINGS = false; 362 static final boolean DEBUG_PREFERRED = false; 363 static final boolean DEBUG_UPGRADE = false; 364 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 365 private static final boolean DEBUG_BACKUP = false; 366 private static final boolean DEBUG_INSTALL = false; 367 private static final boolean DEBUG_REMOVE = false; 368 private static final boolean DEBUG_BROADCASTS = false; 369 private static final boolean DEBUG_SHOW_INFO = false; 370 private static final boolean DEBUG_PACKAGE_INFO = false; 371 private static final boolean DEBUG_INTENT_MATCHING = false; 372 private static final boolean DEBUG_PACKAGE_SCANNING = false; 373 private static final boolean DEBUG_VERIFY = false; 374 private static final boolean DEBUG_FILTERS = false; 375 376 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 377 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 378 // user, but by default initialize to this. 379 public static final boolean DEBUG_DEXOPT = false; 380 381 private static final boolean DEBUG_ABI_SELECTION = false; 382 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 383 private static final boolean DEBUG_TRIAGED_MISSING = false; 384 private static final boolean DEBUG_APP_DATA = false; 385 386 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 387 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 388 389 private static final boolean DISABLE_EPHEMERAL_APPS = false; 390 private static final boolean HIDE_EPHEMERAL_APIS = false; 391 392 private static final boolean ENABLE_QUOTA = 393 SystemProperties.getBoolean("persist.fw.quota", false); 394 395 private static final int RADIO_UID = Process.PHONE_UID; 396 private static final int LOG_UID = Process.LOG_UID; 397 private static final int NFC_UID = Process.NFC_UID; 398 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 399 private static final int SHELL_UID = Process.SHELL_UID; 400 401 // Cap the size of permission trees that 3rd party apps can define 402 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 403 404 // Suffix used during package installation when copying/moving 405 // package apks to install directory. 406 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 407 408 static final int SCAN_NO_DEX = 1<<1; 409 static final int SCAN_FORCE_DEX = 1<<2; 410 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 411 static final int SCAN_NEW_INSTALL = 1<<4; 412 static final int SCAN_UPDATE_TIME = 1<<5; 413 static final int SCAN_BOOTING = 1<<6; 414 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 415 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 416 static final int SCAN_REPLACING = 1<<9; 417 static final int SCAN_REQUIRE_KNOWN = 1<<10; 418 static final int SCAN_MOVE = 1<<11; 419 static final int SCAN_INITIAL = 1<<12; 420 static final int SCAN_CHECK_ONLY = 1<<13; 421 static final int SCAN_DONT_KILL_APP = 1<<14; 422 static final int SCAN_IGNORE_FROZEN = 1<<15; 423 static final int REMOVE_CHATTY = 1<<16; 424 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<17; 425 426 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 427 428 private static final int[] EMPTY_INT_ARRAY = new int[0]; 429 430 /** 431 * Timeout (in milliseconds) after which the watchdog should declare that 432 * our handler thread is wedged. The usual default for such things is one 433 * minute but we sometimes do very lengthy I/O operations on this thread, 434 * such as installing multi-gigabyte applications, so ours needs to be longer. 435 */ 436 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 437 438 /** 439 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 440 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 441 * settings entry if available, otherwise we use the hardcoded default. If it's been 442 * more than this long since the last fstrim, we force one during the boot sequence. 443 * 444 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 445 * one gets run at the next available charging+idle time. This final mandatory 446 * no-fstrim check kicks in only of the other scheduling criteria is never met. 447 */ 448 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 449 450 /** 451 * Whether verification is enabled by default. 452 */ 453 private static final boolean DEFAULT_VERIFY_ENABLE = true; 454 455 /** 456 * The default maximum time to wait for the verification agent to return in 457 * milliseconds. 458 */ 459 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 460 461 /** 462 * The default response for package verification timeout. 463 * 464 * This can be either PackageManager.VERIFICATION_ALLOW or 465 * PackageManager.VERIFICATION_REJECT. 466 */ 467 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 468 469 static final String PLATFORM_PACKAGE_NAME = "android"; 470 471 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 472 473 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 474 DEFAULT_CONTAINER_PACKAGE, 475 "com.android.defcontainer.DefaultContainerService"); 476 477 private static final String KILL_APP_REASON_GIDS_CHANGED = 478 "permission grant or revoke changed gids"; 479 480 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 481 "permissions revoked"; 482 483 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 484 485 private static final String PACKAGE_SCHEME = "package"; 486 487 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 488 /** 489 * If VENDOR_OVERLAY_THEME_PROPERTY is set, search for runtime resource overlay APKs also in 490 * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_THEME_PROPERTY> in addition to 491 * VENDOR_OVERLAY_DIR. 492 */ 493 private static final String VENDOR_OVERLAY_THEME_PROPERTY = "ro.boot.vendor.overlay.theme"; 494 /** 495 * Same as VENDOR_OVERLAY_THEME_PROPERTY, except persistent. If set will override whatever 496 * is in VENDOR_OVERLAY_THEME_PROPERTY. 497 */ 498 private static final String VENDOR_OVERLAY_THEME_PERSIST_PROPERTY 499 = "persist.vendor.overlay.theme"; 500 501 /** Permission grant: not grant the permission. */ 502 private static final int GRANT_DENIED = 1; 503 504 /** Permission grant: grant the permission as an install permission. */ 505 private static final int GRANT_INSTALL = 2; 506 507 /** Permission grant: grant the permission as a runtime one. */ 508 private static final int GRANT_RUNTIME = 3; 509 510 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 511 private static final int GRANT_UPGRADE = 4; 512 513 /** Canonical intent used to identify what counts as a "web browser" app */ 514 private static final Intent sBrowserIntent; 515 static { 516 sBrowserIntent = new Intent(); 517 sBrowserIntent.setAction(Intent.ACTION_VIEW); 518 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 519 sBrowserIntent.setData(Uri.parse("http:")); 520 } 521 522 /** 523 * The set of all protected actions [i.e. those actions for which a high priority 524 * intent filter is disallowed]. 525 */ 526 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 527 static { 528 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 529 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 530 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 531 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 532 } 533 534 // Compilation reasons. 535 public static final int REASON_FIRST_BOOT = 0; 536 public static final int REASON_BOOT = 1; 537 public static final int REASON_INSTALL = 2; 538 public static final int REASON_BACKGROUND_DEXOPT = 3; 539 public static final int REASON_AB_OTA = 4; 540 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 541 public static final int REASON_SHARED_APK = 6; 542 public static final int REASON_FORCED_DEXOPT = 7; 543 public static final int REASON_CORE_APP = 8; 544 545 public static final int REASON_LAST = REASON_CORE_APP; 546 547 /** Special library name that skips shared libraries check during compilation. */ 548 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 549 550 /** All dangerous permission names in the same order as the events in MetricsEvent */ 551 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 552 Manifest.permission.READ_CALENDAR, 553 Manifest.permission.WRITE_CALENDAR, 554 Manifest.permission.CAMERA, 555 Manifest.permission.READ_CONTACTS, 556 Manifest.permission.WRITE_CONTACTS, 557 Manifest.permission.GET_ACCOUNTS, 558 Manifest.permission.ACCESS_FINE_LOCATION, 559 Manifest.permission.ACCESS_COARSE_LOCATION, 560 Manifest.permission.RECORD_AUDIO, 561 Manifest.permission.READ_PHONE_STATE, 562 Manifest.permission.CALL_PHONE, 563 Manifest.permission.READ_CALL_LOG, 564 Manifest.permission.WRITE_CALL_LOG, 565 Manifest.permission.ADD_VOICEMAIL, 566 Manifest.permission.USE_SIP, 567 Manifest.permission.PROCESS_OUTGOING_CALLS, 568 Manifest.permission.READ_CELL_BROADCASTS, 569 Manifest.permission.BODY_SENSORS, 570 Manifest.permission.SEND_SMS, 571 Manifest.permission.RECEIVE_SMS, 572 Manifest.permission.READ_SMS, 573 Manifest.permission.RECEIVE_WAP_PUSH, 574 Manifest.permission.RECEIVE_MMS, 575 Manifest.permission.READ_EXTERNAL_STORAGE, 576 Manifest.permission.WRITE_EXTERNAL_STORAGE, 577 Manifest.permission.READ_PHONE_NUMBER); 578 579 580 /** 581 * Version number for the package parser cache. Increment this whenever the format or 582 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 583 */ 584 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 585 586 /** 587 * Whether the package parser cache is enabled. 588 */ 589 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 590 591 final ServiceThread mHandlerThread; 592 593 final PackageHandler mHandler; 594 595 private final ProcessLoggingHandler mProcessLoggingHandler; 596 597 /** 598 * Messages for {@link #mHandler} that need to wait for system ready before 599 * being dispatched. 600 */ 601 private ArrayList<Message> mPostSystemReadyMessages; 602 603 final int mSdkVersion = Build.VERSION.SDK_INT; 604 605 final Context mContext; 606 final boolean mFactoryTest; 607 final boolean mOnlyCore; 608 final DisplayMetrics mMetrics; 609 final int mDefParseFlags; 610 final String[] mSeparateProcesses; 611 final boolean mIsUpgrade; 612 final boolean mIsPreNUpgrade; 613 final boolean mIsPreNMR1Upgrade; 614 615 @GuardedBy("mPackages") 616 private boolean mDexOptDialogShown; 617 618 /** The location for ASEC container files on internal storage. */ 619 final String mAsecInternalPath; 620 621 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 622 // LOCK HELD. Can be called with mInstallLock held. 623 @GuardedBy("mInstallLock") 624 final Installer mInstaller; 625 626 /** Directory where installed third-party apps stored */ 627 final File mAppInstallDir; 628 final File mEphemeralInstallDir; 629 630 /** 631 * Directory to which applications installed internally have their 632 * 32 bit native libraries copied. 633 */ 634 private File mAppLib32InstallDir; 635 636 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 637 // apps. 638 final File mDrmAppPrivateInstallDir; 639 640 // ---------------------------------------------------------------- 641 642 // Lock for state used when installing and doing other long running 643 // operations. Methods that must be called with this lock held have 644 // the suffix "LI". 645 final Object mInstallLock = new Object(); 646 647 // ---------------------------------------------------------------- 648 649 // Keys are String (package name), values are Package. This also serves 650 // as the lock for the global state. Methods that must be called with 651 // this lock held have the prefix "LP". 652 @GuardedBy("mPackages") 653 final ArrayMap<String, PackageParser.Package> mPackages = 654 new ArrayMap<String, PackageParser.Package>(); 655 656 final ArrayMap<String, Set<String>> mKnownCodebase = 657 new ArrayMap<String, Set<String>>(); 658 659 // Tracks available target package names -> overlay package paths. 660 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 661 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 662 663 /** 664 * Tracks new system packages [received in an OTA] that we expect to 665 * find updated user-installed versions. Keys are package name, values 666 * are package location. 667 */ 668 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 669 /** 670 * Tracks high priority intent filters for protected actions. During boot, certain 671 * filter actions are protected and should never be allowed to have a high priority 672 * intent filter for them. However, there is one, and only one exception -- the 673 * setup wizard. It must be able to define a high priority intent filter for these 674 * actions to ensure there are no escapes from the wizard. We need to delay processing 675 * of these during boot as we need to look at all of the system packages in order 676 * to know which component is the setup wizard. 677 */ 678 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 679 /** 680 * Whether or not processing protected filters should be deferred. 681 */ 682 private boolean mDeferProtectedFilters = true; 683 684 /** 685 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 686 */ 687 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 688 /** 689 * Whether or not system app permissions should be promoted from install to runtime. 690 */ 691 boolean mPromoteSystemApps; 692 693 @GuardedBy("mPackages") 694 final Settings mSettings; 695 696 /** 697 * Set of package names that are currently "frozen", which means active 698 * surgery is being done on the code/data for that package. The platform 699 * will refuse to launch frozen packages to avoid race conditions. 700 * 701 * @see PackageFreezer 702 */ 703 @GuardedBy("mPackages") 704 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 705 706 final ProtectedPackages mProtectedPackages; 707 708 boolean mFirstBoot; 709 710 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 711 712 // System configuration read by SystemConfig. 713 final int[] mGlobalGids; 714 final SparseArray<ArraySet<String>> mSystemPermissions; 715 @GuardedBy("mAvailableFeatures") 716 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 717 718 // If mac_permissions.xml was found for seinfo labeling. 719 boolean mFoundPolicyFile; 720 721 private final InstantAppRegistry mInstantAppRegistry; 722 723 public static final class SharedLibraryEntry { 724 public final String path; 725 public final String apk; 726 public final SharedLibraryInfo info; 727 728 SharedLibraryEntry(String _path, String _apk, String name, int version, int type, 729 String declaringPackageName, int declaringPackageVersionCode) { 730 path = _path; 731 apk = _apk; 732 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 733 declaringPackageName, declaringPackageVersionCode), null); 734 } 735 } 736 737 // Currently known shared libraries. 738 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 739 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 740 new ArrayMap<>(); 741 742 // All available activities, for your resolving pleasure. 743 final ActivityIntentResolver mActivities = 744 new ActivityIntentResolver(); 745 746 // All available receivers, for your resolving pleasure. 747 final ActivityIntentResolver mReceivers = 748 new ActivityIntentResolver(); 749 750 // All available services, for your resolving pleasure. 751 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 752 753 // All available providers, for your resolving pleasure. 754 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 755 756 // Mapping from provider base names (first directory in content URI codePath) 757 // to the provider information. 758 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 759 new ArrayMap<String, PackageParser.Provider>(); 760 761 // Mapping from instrumentation class names to info about them. 762 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 763 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 764 765 // Mapping from permission names to info about them. 766 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 767 new ArrayMap<String, PackageParser.PermissionGroup>(); 768 769 // Packages whose data we have transfered into another package, thus 770 // should no longer exist. 771 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 772 773 // Broadcast actions that are only available to the system. 774 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 775 776 /** List of packages waiting for verification. */ 777 final SparseArray<PackageVerificationState> mPendingVerification 778 = new SparseArray<PackageVerificationState>(); 779 780 /** Set of packages associated with each app op permission. */ 781 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 782 783 final PackageInstallerService mInstallerService; 784 785 private final PackageDexOptimizer mPackageDexOptimizer; 786 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 787 // is used by other apps). 788 private final DexManager mDexManager; 789 790 private AtomicInteger mNextMoveId = new AtomicInteger(); 791 private final MoveCallbacks mMoveCallbacks; 792 793 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 794 795 // Cache of users who need badging. 796 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 797 798 /** Token for keys in mPendingVerification. */ 799 private int mPendingVerificationToken = 0; 800 801 volatile boolean mSystemReady; 802 volatile boolean mSafeMode; 803 volatile boolean mHasSystemUidErrors; 804 805 ApplicationInfo mAndroidApplication; 806 final ActivityInfo mResolveActivity = new ActivityInfo(); 807 final ResolveInfo mResolveInfo = new ResolveInfo(); 808 ComponentName mResolveComponentName; 809 PackageParser.Package mPlatformPackage; 810 ComponentName mCustomResolverComponentName; 811 812 boolean mResolverReplaced = false; 813 814 private final @Nullable ComponentName mIntentFilterVerifierComponent; 815 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 816 817 private int mIntentFilterVerificationToken = 0; 818 819 /** The service connection to the ephemeral resolver */ 820 final EphemeralResolverConnection mEphemeralResolverConnection; 821 822 /** Component used to install ephemeral applications */ 823 ComponentName mEphemeralInstallerComponent; 824 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 825 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 826 827 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 828 = new SparseArray<IntentFilterVerificationState>(); 829 830 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 831 832 // List of packages names to keep cached, even if they are uninstalled for all users 833 private List<String> mKeepUninstalledPackages; 834 835 private UserManagerInternal mUserManagerInternal; 836 private final UserDataPreparer mUserDataPreparer; 837 838 private File mCacheDir; 839 840 private static class IFVerificationParams { 841 PackageParser.Package pkg; 842 boolean replacing; 843 int userId; 844 int verifierUid; 845 846 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 847 int _userId, int _verifierUid) { 848 pkg = _pkg; 849 replacing = _replacing; 850 userId = _userId; 851 replacing = _replacing; 852 verifierUid = _verifierUid; 853 } 854 } 855 856 private interface IntentFilterVerifier<T extends IntentFilter> { 857 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 858 T filter, String packageName); 859 void startVerifications(int userId); 860 void receiveVerificationResponse(int verificationId); 861 } 862 863 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 864 private Context mContext; 865 private ComponentName mIntentFilterVerifierComponent; 866 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 867 868 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 869 mContext = context; 870 mIntentFilterVerifierComponent = verifierComponent; 871 } 872 873 private String getDefaultScheme() { 874 return IntentFilter.SCHEME_HTTPS; 875 } 876 877 @Override 878 public void startVerifications(int userId) { 879 // Launch verifications requests 880 int count = mCurrentIntentFilterVerifications.size(); 881 for (int n=0; n<count; n++) { 882 int verificationId = mCurrentIntentFilterVerifications.get(n); 883 final IntentFilterVerificationState ivs = 884 mIntentFilterVerificationStates.get(verificationId); 885 886 String packageName = ivs.getPackageName(); 887 888 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 889 final int filterCount = filters.size(); 890 ArraySet<String> domainsSet = new ArraySet<>(); 891 for (int m=0; m<filterCount; m++) { 892 PackageParser.ActivityIntentInfo filter = filters.get(m); 893 domainsSet.addAll(filter.getHostsList()); 894 } 895 synchronized (mPackages) { 896 if (mSettings.createIntentFilterVerificationIfNeededLPw( 897 packageName, domainsSet) != null) { 898 scheduleWriteSettingsLocked(); 899 } 900 } 901 sendVerificationRequest(userId, verificationId, ivs); 902 } 903 mCurrentIntentFilterVerifications.clear(); 904 } 905 906 private void sendVerificationRequest(int userId, int verificationId, 907 IntentFilterVerificationState ivs) { 908 909 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 910 verificationIntent.putExtra( 911 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 912 verificationId); 913 verificationIntent.putExtra( 914 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 915 getDefaultScheme()); 916 verificationIntent.putExtra( 917 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 918 ivs.getHostsString()); 919 verificationIntent.putExtra( 920 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 921 ivs.getPackageName()); 922 verificationIntent.setComponent(mIntentFilterVerifierComponent); 923 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 924 925 UserHandle user = new UserHandle(userId); 926 mContext.sendBroadcastAsUser(verificationIntent, user); 927 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 928 "Sending IntentFilter verification broadcast"); 929 } 930 931 public void receiveVerificationResponse(int verificationId) { 932 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 933 934 final boolean verified = ivs.isVerified(); 935 936 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 937 final int count = filters.size(); 938 if (DEBUG_DOMAIN_VERIFICATION) { 939 Slog.i(TAG, "Received verification response " + verificationId 940 + " for " + count + " filters, verified=" + verified); 941 } 942 for (int n=0; n<count; n++) { 943 PackageParser.ActivityIntentInfo filter = filters.get(n); 944 filter.setVerified(verified); 945 946 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 947 + " verified with result:" + verified + " and hosts:" 948 + ivs.getHostsString()); 949 } 950 951 mIntentFilterVerificationStates.remove(verificationId); 952 953 final String packageName = ivs.getPackageName(); 954 IntentFilterVerificationInfo ivi = null; 955 956 synchronized (mPackages) { 957 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 958 } 959 if (ivi == null) { 960 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 961 + verificationId + " packageName:" + packageName); 962 return; 963 } 964 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 965 "Updating IntentFilterVerificationInfo for package " + packageName 966 +" verificationId:" + verificationId); 967 968 synchronized (mPackages) { 969 if (verified) { 970 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 971 } else { 972 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 973 } 974 scheduleWriteSettingsLocked(); 975 976 final int userId = ivs.getUserId(); 977 if (userId != UserHandle.USER_ALL) { 978 final int userStatus = 979 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 980 981 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 982 boolean needUpdate = false; 983 984 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 985 // already been set by the User thru the Disambiguation dialog 986 switch (userStatus) { 987 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 988 if (verified) { 989 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 990 } else { 991 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 992 } 993 needUpdate = true; 994 break; 995 996 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 997 if (verified) { 998 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 999 needUpdate = true; 1000 } 1001 break; 1002 1003 default: 1004 // Nothing to do 1005 } 1006 1007 if (needUpdate) { 1008 mSettings.updateIntentFilterVerificationStatusLPw( 1009 packageName, updatedStatus, userId); 1010 scheduleWritePackageRestrictionsLocked(userId); 1011 } 1012 } 1013 } 1014 } 1015 1016 @Override 1017 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1018 ActivityIntentInfo filter, String packageName) { 1019 if (!hasValidDomains(filter)) { 1020 return false; 1021 } 1022 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1023 if (ivs == null) { 1024 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1025 packageName); 1026 } 1027 if (DEBUG_DOMAIN_VERIFICATION) { 1028 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1029 } 1030 ivs.addFilter(filter); 1031 return true; 1032 } 1033 1034 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1035 int userId, int verificationId, String packageName) { 1036 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1037 verifierUid, userId, packageName); 1038 ivs.setPendingState(); 1039 synchronized (mPackages) { 1040 mIntentFilterVerificationStates.append(verificationId, ivs); 1041 mCurrentIntentFilterVerifications.add(verificationId); 1042 } 1043 return ivs; 1044 } 1045 } 1046 1047 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1048 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1049 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1050 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1051 } 1052 1053 // Set of pending broadcasts for aggregating enable/disable of components. 1054 static class PendingPackageBroadcasts { 1055 // for each user id, a map of <package name -> components within that package> 1056 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1057 1058 public PendingPackageBroadcasts() { 1059 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1060 } 1061 1062 public ArrayList<String> get(int userId, String packageName) { 1063 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1064 return packages.get(packageName); 1065 } 1066 1067 public void put(int userId, String packageName, ArrayList<String> components) { 1068 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1069 packages.put(packageName, components); 1070 } 1071 1072 public void remove(int userId, String packageName) { 1073 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1074 if (packages != null) { 1075 packages.remove(packageName); 1076 } 1077 } 1078 1079 public void remove(int userId) { 1080 mUidMap.remove(userId); 1081 } 1082 1083 public int userIdCount() { 1084 return mUidMap.size(); 1085 } 1086 1087 public int userIdAt(int n) { 1088 return mUidMap.keyAt(n); 1089 } 1090 1091 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1092 return mUidMap.get(userId); 1093 } 1094 1095 public int size() { 1096 // total number of pending broadcast entries across all userIds 1097 int num = 0; 1098 for (int i = 0; i< mUidMap.size(); i++) { 1099 num += mUidMap.valueAt(i).size(); 1100 } 1101 return num; 1102 } 1103 1104 public void clear() { 1105 mUidMap.clear(); 1106 } 1107 1108 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1109 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1110 if (map == null) { 1111 map = new ArrayMap<String, ArrayList<String>>(); 1112 mUidMap.put(userId, map); 1113 } 1114 return map; 1115 } 1116 } 1117 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1118 1119 // Service Connection to remote media container service to copy 1120 // package uri's from external media onto secure containers 1121 // or internal storage. 1122 private IMediaContainerService mContainerService = null; 1123 1124 static final int SEND_PENDING_BROADCAST = 1; 1125 static final int MCS_BOUND = 3; 1126 static final int END_COPY = 4; 1127 static final int INIT_COPY = 5; 1128 static final int MCS_UNBIND = 6; 1129 static final int START_CLEANING_PACKAGE = 7; 1130 static final int FIND_INSTALL_LOC = 8; 1131 static final int POST_INSTALL = 9; 1132 static final int MCS_RECONNECT = 10; 1133 static final int MCS_GIVE_UP = 11; 1134 static final int UPDATED_MEDIA_STATUS = 12; 1135 static final int WRITE_SETTINGS = 13; 1136 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1137 static final int PACKAGE_VERIFIED = 15; 1138 static final int CHECK_PENDING_VERIFICATION = 16; 1139 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1140 static final int INTENT_FILTER_VERIFIED = 18; 1141 static final int WRITE_PACKAGE_LIST = 19; 1142 static final int EPHEMERAL_RESOLUTION_PHASE_TWO = 20; 1143 1144 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1145 1146 // Delay time in millisecs 1147 static final int BROADCAST_DELAY = 10 * 1000; 1148 1149 static UserManagerService sUserManager; 1150 1151 // Stores a list of users whose package restrictions file needs to be updated 1152 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1153 1154 final private DefaultContainerConnection mDefContainerConn = 1155 new DefaultContainerConnection(); 1156 class DefaultContainerConnection implements ServiceConnection { 1157 public void onServiceConnected(ComponentName name, IBinder service) { 1158 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1159 final IMediaContainerService imcs = IMediaContainerService.Stub 1160 .asInterface(Binder.allowBlocking(service)); 1161 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1162 } 1163 1164 public void onServiceDisconnected(ComponentName name) { 1165 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1166 } 1167 } 1168 1169 // Recordkeeping of restore-after-install operations that are currently in flight 1170 // between the Package Manager and the Backup Manager 1171 static class PostInstallData { 1172 public InstallArgs args; 1173 public PackageInstalledInfo res; 1174 1175 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1176 args = _a; 1177 res = _r; 1178 } 1179 } 1180 1181 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1182 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1183 1184 // XML tags for backup/restore of various bits of state 1185 private static final String TAG_PREFERRED_BACKUP = "pa"; 1186 private static final String TAG_DEFAULT_APPS = "da"; 1187 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1188 1189 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1190 private static final String TAG_ALL_GRANTS = "rt-grants"; 1191 private static final String TAG_GRANT = "grant"; 1192 private static final String ATTR_PACKAGE_NAME = "pkg"; 1193 1194 private static final String TAG_PERMISSION = "perm"; 1195 private static final String ATTR_PERMISSION_NAME = "name"; 1196 private static final String ATTR_IS_GRANTED = "g"; 1197 private static final String ATTR_USER_SET = "set"; 1198 private static final String ATTR_USER_FIXED = "fixed"; 1199 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1200 1201 // System/policy permission grants are not backed up 1202 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1203 FLAG_PERMISSION_POLICY_FIXED 1204 | FLAG_PERMISSION_SYSTEM_FIXED 1205 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1206 1207 // And we back up these user-adjusted states 1208 private static final int USER_RUNTIME_GRANT_MASK = 1209 FLAG_PERMISSION_USER_SET 1210 | FLAG_PERMISSION_USER_FIXED 1211 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1212 1213 final @Nullable String mRequiredVerifierPackage; 1214 final @NonNull String mRequiredInstallerPackage; 1215 final @NonNull String mRequiredUninstallerPackage; 1216 final @Nullable String mSetupWizardPackage; 1217 final @Nullable String mStorageManagerPackage; 1218 final @NonNull String mServicesSystemSharedLibraryPackageName; 1219 final @NonNull String mSharedSystemSharedLibraryPackageName; 1220 1221 final boolean mPermissionReviewRequired; 1222 1223 private final PackageUsage mPackageUsage = new PackageUsage(); 1224 private final CompilerStats mCompilerStats = new CompilerStats(); 1225 1226 class PackageHandler extends Handler { 1227 private boolean mBound = false; 1228 final ArrayList<HandlerParams> mPendingInstalls = 1229 new ArrayList<HandlerParams>(); 1230 1231 private boolean connectToService() { 1232 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1233 " DefaultContainerService"); 1234 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1235 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1236 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1237 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1238 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1239 mBound = true; 1240 return true; 1241 } 1242 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1243 return false; 1244 } 1245 1246 private void disconnectService() { 1247 mContainerService = null; 1248 mBound = false; 1249 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1250 mContext.unbindService(mDefContainerConn); 1251 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1252 } 1253 1254 PackageHandler(Looper looper) { 1255 super(looper); 1256 } 1257 1258 public void handleMessage(Message msg) { 1259 try { 1260 doHandleMessage(msg); 1261 } finally { 1262 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1263 } 1264 } 1265 1266 void doHandleMessage(Message msg) { 1267 switch (msg.what) { 1268 case INIT_COPY: { 1269 HandlerParams params = (HandlerParams) msg.obj; 1270 int idx = mPendingInstalls.size(); 1271 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1272 // If a bind was already initiated we dont really 1273 // need to do anything. The pending install 1274 // will be processed later on. 1275 if (!mBound) { 1276 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1277 System.identityHashCode(mHandler)); 1278 // If this is the only one pending we might 1279 // have to bind to the service again. 1280 if (!connectToService()) { 1281 Slog.e(TAG, "Failed to bind to media container service"); 1282 params.serviceError(); 1283 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1284 System.identityHashCode(mHandler)); 1285 if (params.traceMethod != null) { 1286 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1287 params.traceCookie); 1288 } 1289 return; 1290 } else { 1291 // Once we bind to the service, the first 1292 // pending request will be processed. 1293 mPendingInstalls.add(idx, params); 1294 } 1295 } else { 1296 mPendingInstalls.add(idx, params); 1297 // Already bound to the service. Just make 1298 // sure we trigger off processing the first request. 1299 if (idx == 0) { 1300 mHandler.sendEmptyMessage(MCS_BOUND); 1301 } 1302 } 1303 break; 1304 } 1305 case MCS_BOUND: { 1306 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1307 if (msg.obj != null) { 1308 mContainerService = (IMediaContainerService) msg.obj; 1309 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1310 System.identityHashCode(mHandler)); 1311 } 1312 if (mContainerService == null) { 1313 if (!mBound) { 1314 // Something seriously wrong since we are not bound and we are not 1315 // waiting for connection. Bail out. 1316 Slog.e(TAG, "Cannot bind to media container service"); 1317 for (HandlerParams params : mPendingInstalls) { 1318 // Indicate service bind error 1319 params.serviceError(); 1320 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1321 System.identityHashCode(params)); 1322 if (params.traceMethod != null) { 1323 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1324 params.traceMethod, params.traceCookie); 1325 } 1326 return; 1327 } 1328 mPendingInstalls.clear(); 1329 } else { 1330 Slog.w(TAG, "Waiting to connect to media container service"); 1331 } 1332 } else if (mPendingInstalls.size() > 0) { 1333 HandlerParams params = mPendingInstalls.get(0); 1334 if (params != null) { 1335 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1336 System.identityHashCode(params)); 1337 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1338 if (params.startCopy()) { 1339 // We are done... look for more work or to 1340 // go idle. 1341 if (DEBUG_SD_INSTALL) Log.i(TAG, 1342 "Checking for more work or unbind..."); 1343 // Delete pending install 1344 if (mPendingInstalls.size() > 0) { 1345 mPendingInstalls.remove(0); 1346 } 1347 if (mPendingInstalls.size() == 0) { 1348 if (mBound) { 1349 if (DEBUG_SD_INSTALL) Log.i(TAG, 1350 "Posting delayed MCS_UNBIND"); 1351 removeMessages(MCS_UNBIND); 1352 Message ubmsg = obtainMessage(MCS_UNBIND); 1353 // Unbind after a little delay, to avoid 1354 // continual thrashing. 1355 sendMessageDelayed(ubmsg, 10000); 1356 } 1357 } else { 1358 // There are more pending requests in queue. 1359 // Just post MCS_BOUND message to trigger processing 1360 // of next pending install. 1361 if (DEBUG_SD_INSTALL) Log.i(TAG, 1362 "Posting MCS_BOUND for next work"); 1363 mHandler.sendEmptyMessage(MCS_BOUND); 1364 } 1365 } 1366 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1367 } 1368 } else { 1369 // Should never happen ideally. 1370 Slog.w(TAG, "Empty queue"); 1371 } 1372 break; 1373 } 1374 case MCS_RECONNECT: { 1375 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1376 if (mPendingInstalls.size() > 0) { 1377 if (mBound) { 1378 disconnectService(); 1379 } 1380 if (!connectToService()) { 1381 Slog.e(TAG, "Failed to bind to media container service"); 1382 for (HandlerParams params : mPendingInstalls) { 1383 // Indicate service bind error 1384 params.serviceError(); 1385 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1386 System.identityHashCode(params)); 1387 } 1388 mPendingInstalls.clear(); 1389 } 1390 } 1391 break; 1392 } 1393 case MCS_UNBIND: { 1394 // If there is no actual work left, then time to unbind. 1395 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1396 1397 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1398 if (mBound) { 1399 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1400 1401 disconnectService(); 1402 } 1403 } else if (mPendingInstalls.size() > 0) { 1404 // There are more pending requests in queue. 1405 // Just post MCS_BOUND message to trigger processing 1406 // of next pending install. 1407 mHandler.sendEmptyMessage(MCS_BOUND); 1408 } 1409 1410 break; 1411 } 1412 case MCS_GIVE_UP: { 1413 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1414 HandlerParams params = mPendingInstalls.remove(0); 1415 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1416 System.identityHashCode(params)); 1417 break; 1418 } 1419 case SEND_PENDING_BROADCAST: { 1420 String packages[]; 1421 ArrayList<String> components[]; 1422 int size = 0; 1423 int uids[]; 1424 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1425 synchronized (mPackages) { 1426 if (mPendingBroadcasts == null) { 1427 return; 1428 } 1429 size = mPendingBroadcasts.size(); 1430 if (size <= 0) { 1431 // Nothing to be done. Just return 1432 return; 1433 } 1434 packages = new String[size]; 1435 components = new ArrayList[size]; 1436 uids = new int[size]; 1437 int i = 0; // filling out the above arrays 1438 1439 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1440 int packageUserId = mPendingBroadcasts.userIdAt(n); 1441 Iterator<Map.Entry<String, ArrayList<String>>> it 1442 = mPendingBroadcasts.packagesForUserId(packageUserId) 1443 .entrySet().iterator(); 1444 while (it.hasNext() && i < size) { 1445 Map.Entry<String, ArrayList<String>> ent = it.next(); 1446 packages[i] = ent.getKey(); 1447 components[i] = ent.getValue(); 1448 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1449 uids[i] = (ps != null) 1450 ? UserHandle.getUid(packageUserId, ps.appId) 1451 : -1; 1452 i++; 1453 } 1454 } 1455 size = i; 1456 mPendingBroadcasts.clear(); 1457 } 1458 // Send broadcasts 1459 for (int i = 0; i < size; i++) { 1460 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1461 } 1462 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1463 break; 1464 } 1465 case START_CLEANING_PACKAGE: { 1466 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1467 final String packageName = (String)msg.obj; 1468 final int userId = msg.arg1; 1469 final boolean andCode = msg.arg2 != 0; 1470 synchronized (mPackages) { 1471 if (userId == UserHandle.USER_ALL) { 1472 int[] users = sUserManager.getUserIds(); 1473 for (int user : users) { 1474 mSettings.addPackageToCleanLPw( 1475 new PackageCleanItem(user, packageName, andCode)); 1476 } 1477 } else { 1478 mSettings.addPackageToCleanLPw( 1479 new PackageCleanItem(userId, packageName, andCode)); 1480 } 1481 } 1482 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1483 startCleaningPackages(); 1484 } break; 1485 case POST_INSTALL: { 1486 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1487 1488 PostInstallData data = mRunningInstalls.get(msg.arg1); 1489 final boolean didRestore = (msg.arg2 != 0); 1490 mRunningInstalls.delete(msg.arg1); 1491 1492 if (data != null) { 1493 InstallArgs args = data.args; 1494 PackageInstalledInfo parentRes = data.res; 1495 1496 final boolean grantPermissions = (args.installFlags 1497 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1498 final boolean killApp = (args.installFlags 1499 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1500 final String[] grantedPermissions = args.installGrantPermissions; 1501 1502 // Handle the parent package 1503 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1504 grantedPermissions, didRestore, args.installerPackageName, 1505 args.observer); 1506 1507 // Handle the child packages 1508 final int childCount = (parentRes.addedChildPackages != null) 1509 ? parentRes.addedChildPackages.size() : 0; 1510 for (int i = 0; i < childCount; i++) { 1511 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1512 handlePackagePostInstall(childRes, grantPermissions, killApp, 1513 grantedPermissions, false, args.installerPackageName, 1514 args.observer); 1515 } 1516 1517 // Log tracing if needed 1518 if (args.traceMethod != null) { 1519 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1520 args.traceCookie); 1521 } 1522 } else { 1523 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1524 } 1525 1526 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1527 } break; 1528 case UPDATED_MEDIA_STATUS: { 1529 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1530 boolean reportStatus = msg.arg1 == 1; 1531 boolean doGc = msg.arg2 == 1; 1532 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1533 if (doGc) { 1534 // Force a gc to clear up stale containers. 1535 Runtime.getRuntime().gc(); 1536 } 1537 if (msg.obj != null) { 1538 @SuppressWarnings("unchecked") 1539 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1540 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1541 // Unload containers 1542 unloadAllContainers(args); 1543 } 1544 if (reportStatus) { 1545 try { 1546 if (DEBUG_SD_INSTALL) Log.i(TAG, 1547 "Invoking StorageManagerService call back"); 1548 PackageHelper.getStorageManager().finishMediaUpdate(); 1549 } catch (RemoteException e) { 1550 Log.e(TAG, "StorageManagerService not running?"); 1551 } 1552 } 1553 } break; 1554 case WRITE_SETTINGS: { 1555 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1556 synchronized (mPackages) { 1557 removeMessages(WRITE_SETTINGS); 1558 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1559 mSettings.writeLPr(); 1560 mDirtyUsers.clear(); 1561 } 1562 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1563 } break; 1564 case WRITE_PACKAGE_RESTRICTIONS: { 1565 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1566 synchronized (mPackages) { 1567 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1568 for (int userId : mDirtyUsers) { 1569 mSettings.writePackageRestrictionsLPr(userId); 1570 } 1571 mDirtyUsers.clear(); 1572 } 1573 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1574 } break; 1575 case WRITE_PACKAGE_LIST: { 1576 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1577 synchronized (mPackages) { 1578 removeMessages(WRITE_PACKAGE_LIST); 1579 mSettings.writePackageListLPr(msg.arg1); 1580 } 1581 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1582 } break; 1583 case CHECK_PENDING_VERIFICATION: { 1584 final int verificationId = msg.arg1; 1585 final PackageVerificationState state = mPendingVerification.get(verificationId); 1586 1587 if ((state != null) && !state.timeoutExtended()) { 1588 final InstallArgs args = state.getInstallArgs(); 1589 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1590 1591 Slog.i(TAG, "Verification timed out for " + originUri); 1592 mPendingVerification.remove(verificationId); 1593 1594 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1595 1596 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1597 Slog.i(TAG, "Continuing with installation of " + originUri); 1598 state.setVerifierResponse(Binder.getCallingUid(), 1599 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1600 broadcastPackageVerified(verificationId, originUri, 1601 PackageManager.VERIFICATION_ALLOW, 1602 state.getInstallArgs().getUser()); 1603 try { 1604 ret = args.copyApk(mContainerService, true); 1605 } catch (RemoteException e) { 1606 Slog.e(TAG, "Could not contact the ContainerService"); 1607 } 1608 } else { 1609 broadcastPackageVerified(verificationId, originUri, 1610 PackageManager.VERIFICATION_REJECT, 1611 state.getInstallArgs().getUser()); 1612 } 1613 1614 Trace.asyncTraceEnd( 1615 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1616 1617 processPendingInstall(args, ret); 1618 mHandler.sendEmptyMessage(MCS_UNBIND); 1619 } 1620 break; 1621 } 1622 case PACKAGE_VERIFIED: { 1623 final int verificationId = msg.arg1; 1624 1625 final PackageVerificationState state = mPendingVerification.get(verificationId); 1626 if (state == null) { 1627 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1628 break; 1629 } 1630 1631 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1632 1633 state.setVerifierResponse(response.callerUid, response.code); 1634 1635 if (state.isVerificationComplete()) { 1636 mPendingVerification.remove(verificationId); 1637 1638 final InstallArgs args = state.getInstallArgs(); 1639 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1640 1641 int ret; 1642 if (state.isInstallAllowed()) { 1643 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1644 broadcastPackageVerified(verificationId, originUri, 1645 response.code, state.getInstallArgs().getUser()); 1646 try { 1647 ret = args.copyApk(mContainerService, true); 1648 } catch (RemoteException e) { 1649 Slog.e(TAG, "Could not contact the ContainerService"); 1650 } 1651 } else { 1652 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1653 } 1654 1655 Trace.asyncTraceEnd( 1656 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1657 1658 processPendingInstall(args, ret); 1659 mHandler.sendEmptyMessage(MCS_UNBIND); 1660 } 1661 1662 break; 1663 } 1664 case START_INTENT_FILTER_VERIFICATIONS: { 1665 IFVerificationParams params = (IFVerificationParams) msg.obj; 1666 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1667 params.replacing, params.pkg); 1668 break; 1669 } 1670 case INTENT_FILTER_VERIFIED: { 1671 final int verificationId = msg.arg1; 1672 1673 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1674 verificationId); 1675 if (state == null) { 1676 Slog.w(TAG, "Invalid IntentFilter verification token " 1677 + verificationId + " received"); 1678 break; 1679 } 1680 1681 final int userId = state.getUserId(); 1682 1683 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1684 "Processing IntentFilter verification with token:" 1685 + verificationId + " and userId:" + userId); 1686 1687 final IntentFilterVerificationResponse response = 1688 (IntentFilterVerificationResponse) msg.obj; 1689 1690 state.setVerifierResponse(response.callerUid, response.code); 1691 1692 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1693 "IntentFilter verification with token:" + verificationId 1694 + " and userId:" + userId 1695 + " is settings verifier response with response code:" 1696 + response.code); 1697 1698 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1699 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1700 + response.getFailedDomainsString()); 1701 } 1702 1703 if (state.isVerificationComplete()) { 1704 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1705 } else { 1706 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1707 "IntentFilter verification with token:" + verificationId 1708 + " was not said to be complete"); 1709 } 1710 1711 break; 1712 } 1713 case EPHEMERAL_RESOLUTION_PHASE_TWO: { 1714 EphemeralResolver.doEphemeralResolutionPhaseTwo(mContext, 1715 mEphemeralResolverConnection, 1716 (EphemeralRequest) msg.obj, 1717 mEphemeralInstallerActivity, 1718 mHandler); 1719 } 1720 } 1721 } 1722 } 1723 1724 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1725 boolean killApp, String[] grantedPermissions, 1726 boolean launchedForRestore, String installerPackage, 1727 IPackageInstallObserver2 installObserver) { 1728 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1729 // Send the removed broadcasts 1730 if (res.removedInfo != null) { 1731 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1732 } 1733 1734 // Now that we successfully installed the package, grant runtime 1735 // permissions if requested before broadcasting the install. Also 1736 // for legacy apps in permission review mode we clear the permission 1737 // review flag which is used to emulate runtime permissions for 1738 // legacy apps. 1739 if (grantPermissions) { 1740 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1741 } 1742 1743 final boolean update = res.removedInfo != null 1744 && res.removedInfo.removedPackage != null; 1745 1746 // If this is the first time we have child packages for a disabled privileged 1747 // app that had no children, we grant requested runtime permissions to the new 1748 // children if the parent on the system image had them already granted. 1749 if (res.pkg.parentPackage != null) { 1750 synchronized (mPackages) { 1751 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1752 } 1753 } 1754 1755 synchronized (mPackages) { 1756 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 1757 } 1758 1759 final String packageName = res.pkg.applicationInfo.packageName; 1760 1761 // Determine the set of users who are adding this package for 1762 // the first time vs. those who are seeing an update. 1763 int[] firstUsers = EMPTY_INT_ARRAY; 1764 int[] updateUsers = EMPTY_INT_ARRAY; 1765 if (res.origUsers == null || res.origUsers.length == 0) { 1766 firstUsers = res.newUsers; 1767 } else { 1768 for (int newUser : res.newUsers) { 1769 boolean isNew = true; 1770 for (int origUser : res.origUsers) { 1771 if (origUser == newUser) { 1772 isNew = false; 1773 break; 1774 } 1775 } 1776 if (isNew) { 1777 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1778 } else { 1779 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1780 } 1781 } 1782 } 1783 1784 // Send installed broadcasts if the install/update is not ephemeral 1785 // and the package is not a static shared lib. 1786 if (!isEphemeral(res.pkg) && res.pkg.staticSharedLibName == null) { 1787 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1788 1789 // Send added for users that see the package for the first time 1790 // sendPackageAddedForNewUsers also deals with system apps 1791 int appId = UserHandle.getAppId(res.uid); 1792 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1793 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1794 1795 // Send added for users that don't see the package for the first time 1796 Bundle extras = new Bundle(1); 1797 extras.putInt(Intent.EXTRA_UID, res.uid); 1798 if (update) { 1799 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1800 } 1801 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1802 extras, 0 /*flags*/, null /*targetPackage*/, 1803 null /*finishedReceiver*/, updateUsers); 1804 1805 // Send replaced for users that don't see the package for the first time 1806 if (update) { 1807 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1808 packageName, extras, 0 /*flags*/, 1809 null /*targetPackage*/, null /*finishedReceiver*/, 1810 updateUsers); 1811 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1812 null /*package*/, null /*extras*/, 0 /*flags*/, 1813 packageName /*targetPackage*/, 1814 null /*finishedReceiver*/, updateUsers); 1815 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1816 // First-install and we did a restore, so we're responsible for the 1817 // first-launch broadcast. 1818 if (DEBUG_BACKUP) { 1819 Slog.i(TAG, "Post-restore of " + packageName 1820 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1821 } 1822 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1823 } 1824 1825 // Send broadcast package appeared if forward locked/external for all users 1826 // treat asec-hosted packages like removable media on upgrade 1827 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1828 if (DEBUG_INSTALL) { 1829 Slog.i(TAG, "upgrading pkg " + res.pkg 1830 + " is ASEC-hosted -> AVAILABLE"); 1831 } 1832 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1833 ArrayList<String> pkgList = new ArrayList<>(1); 1834 pkgList.add(packageName); 1835 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1836 } 1837 } 1838 1839 // Work that needs to happen on first install within each user 1840 if (firstUsers != null && firstUsers.length > 0) { 1841 synchronized (mPackages) { 1842 for (int userId : firstUsers) { 1843 // If this app is a browser and it's newly-installed for some 1844 // users, clear any default-browser state in those users. The 1845 // app's nature doesn't depend on the user, so we can just check 1846 // its browser nature in any user and generalize. 1847 if (packageIsBrowser(packageName, userId)) { 1848 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1849 } 1850 1851 // We may also need to apply pending (restored) runtime 1852 // permission grants within these users. 1853 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1854 } 1855 } 1856 } 1857 1858 // Log current value of "unknown sources" setting 1859 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1860 getUnknownSourcesSettings()); 1861 1862 // Force a gc to clear up things 1863 Runtime.getRuntime().gc(); 1864 1865 // Remove the replaced package's older resources safely now 1866 // We delete after a gc for applications on sdcard. 1867 if (res.removedInfo != null && res.removedInfo.args != null) { 1868 synchronized (mInstallLock) { 1869 res.removedInfo.args.doPostDeleteLI(true); 1870 } 1871 } 1872 1873 if (!isEphemeral(res.pkg)) { 1874 // Notify DexManager that the package was installed for new users. 1875 // The updated users should already be indexed and the package code paths 1876 // should not change. 1877 // Don't notify the manager for ephemeral apps as they are not expected to 1878 // survive long enough to benefit of background optimizations. 1879 for (int userId : firstUsers) { 1880 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 1881 mDexManager.notifyPackageInstalled(info, userId); 1882 } 1883 } 1884 } 1885 1886 // If someone is watching installs - notify them 1887 if (installObserver != null) { 1888 try { 1889 Bundle extras = extrasForInstallResult(res); 1890 installObserver.onPackageInstalled(res.name, res.returnCode, 1891 res.returnMsg, extras); 1892 } catch (RemoteException e) { 1893 Slog.i(TAG, "Observer no longer exists."); 1894 } 1895 } 1896 } 1897 1898 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1899 PackageParser.Package pkg) { 1900 if (pkg.parentPackage == null) { 1901 return; 1902 } 1903 if (pkg.requestedPermissions == null) { 1904 return; 1905 } 1906 final PackageSetting disabledSysParentPs = mSettings 1907 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1908 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1909 || !disabledSysParentPs.isPrivileged() 1910 || (disabledSysParentPs.childPackageNames != null 1911 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1912 return; 1913 } 1914 final int[] allUserIds = sUserManager.getUserIds(); 1915 final int permCount = pkg.requestedPermissions.size(); 1916 for (int i = 0; i < permCount; i++) { 1917 String permission = pkg.requestedPermissions.get(i); 1918 BasePermission bp = mSettings.mPermissions.get(permission); 1919 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1920 continue; 1921 } 1922 for (int userId : allUserIds) { 1923 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1924 permission, userId)) { 1925 grantRuntimePermission(pkg.packageName, permission, userId); 1926 } 1927 } 1928 } 1929 } 1930 1931 private StorageEventListener mStorageListener = new StorageEventListener() { 1932 @Override 1933 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1934 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1935 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1936 final String volumeUuid = vol.getFsUuid(); 1937 1938 // Clean up any users or apps that were removed or recreated 1939 // while this volume was missing 1940 reconcileUsers(volumeUuid); 1941 reconcileApps(volumeUuid); 1942 1943 // Clean up any install sessions that expired or were 1944 // cancelled while this volume was missing 1945 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1946 1947 loadPrivatePackages(vol); 1948 1949 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1950 unloadPrivatePackages(vol); 1951 } 1952 } 1953 1954 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1955 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1956 updateExternalMediaStatus(true, false); 1957 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1958 updateExternalMediaStatus(false, false); 1959 } 1960 } 1961 } 1962 1963 @Override 1964 public void onVolumeForgotten(String fsUuid) { 1965 if (TextUtils.isEmpty(fsUuid)) { 1966 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1967 return; 1968 } 1969 1970 // Remove any apps installed on the forgotten volume 1971 synchronized (mPackages) { 1972 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1973 for (PackageSetting ps : packages) { 1974 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1975 deletePackageVersioned(new VersionedPackage(ps.name, 1976 PackageManager.VERSION_CODE_HIGHEST), 1977 new LegacyPackageDeleteObserver(null).getBinder(), 1978 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1979 // Try very hard to release any references to this package 1980 // so we don't risk the system server being killed due to 1981 // open FDs 1982 AttributeCache.instance().removePackage(ps.name); 1983 } 1984 1985 mSettings.onVolumeForgotten(fsUuid); 1986 mSettings.writeLPr(); 1987 } 1988 } 1989 }; 1990 1991 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1992 String[] grantedPermissions) { 1993 for (int userId : userIds) { 1994 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1995 } 1996 } 1997 1998 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1999 String[] grantedPermissions) { 2000 SettingBase sb = (SettingBase) pkg.mExtras; 2001 if (sb == null) { 2002 return; 2003 } 2004 2005 PermissionsState permissionsState = sb.getPermissionsState(); 2006 2007 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2008 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2009 2010 final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 2011 >= Build.VERSION_CODES.M; 2012 2013 for (String permission : pkg.requestedPermissions) { 2014 final BasePermission bp; 2015 synchronized (mPackages) { 2016 bp = mSettings.mPermissions.get(permission); 2017 } 2018 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2019 && (grantedPermissions == null 2020 || ArrayUtils.contains(grantedPermissions, permission))) { 2021 final int flags = permissionsState.getPermissionFlags(permission, userId); 2022 if (supportsRuntimePermissions) { 2023 // Installer cannot change immutable permissions. 2024 if ((flags & immutableFlags) == 0) { 2025 grantRuntimePermission(pkg.packageName, permission, userId); 2026 } 2027 } else if (mPermissionReviewRequired) { 2028 // In permission review mode we clear the review flag when we 2029 // are asked to install the app with all permissions granted. 2030 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 2031 updatePermissionFlags(permission, pkg.packageName, 2032 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, userId); 2033 } 2034 } 2035 } 2036 } 2037 } 2038 2039 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2040 Bundle extras = null; 2041 switch (res.returnCode) { 2042 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2043 extras = new Bundle(); 2044 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2045 res.origPermission); 2046 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2047 res.origPackage); 2048 break; 2049 } 2050 case PackageManager.INSTALL_SUCCEEDED: { 2051 extras = new Bundle(); 2052 extras.putBoolean(Intent.EXTRA_REPLACING, 2053 res.removedInfo != null && res.removedInfo.removedPackage != null); 2054 break; 2055 } 2056 } 2057 return extras; 2058 } 2059 2060 void scheduleWriteSettingsLocked() { 2061 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2062 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2063 } 2064 } 2065 2066 void scheduleWritePackageListLocked(int userId) { 2067 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2068 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2069 msg.arg1 = userId; 2070 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2071 } 2072 } 2073 2074 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2075 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2076 scheduleWritePackageRestrictionsLocked(userId); 2077 } 2078 2079 void scheduleWritePackageRestrictionsLocked(int userId) { 2080 final int[] userIds = (userId == UserHandle.USER_ALL) 2081 ? sUserManager.getUserIds() : new int[]{userId}; 2082 for (int nextUserId : userIds) { 2083 if (!sUserManager.exists(nextUserId)) return; 2084 mDirtyUsers.add(nextUserId); 2085 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2086 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2087 } 2088 } 2089 } 2090 2091 public static PackageManagerService main(Context context, Installer installer, 2092 boolean factoryTest, boolean onlyCore) { 2093 // Self-check for initial settings. 2094 PackageManagerServiceCompilerMapping.checkProperties(); 2095 2096 PackageManagerService m = new PackageManagerService(context, installer, 2097 factoryTest, onlyCore); 2098 m.enableSystemUserPackages(); 2099 ServiceManager.addService("package", m); 2100 return m; 2101 } 2102 2103 private void enableSystemUserPackages() { 2104 if (!UserManager.isSplitSystemUser()) { 2105 return; 2106 } 2107 // For system user, enable apps based on the following conditions: 2108 // - app is whitelisted or belong to one of these groups: 2109 // -- system app which has no launcher icons 2110 // -- system app which has INTERACT_ACROSS_USERS permission 2111 // -- system IME app 2112 // - app is not in the blacklist 2113 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2114 Set<String> enableApps = new ArraySet<>(); 2115 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2116 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2117 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2118 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2119 enableApps.addAll(wlApps); 2120 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2121 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2122 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2123 enableApps.removeAll(blApps); 2124 Log.i(TAG, "Applications installed for system user: " + enableApps); 2125 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2126 UserHandle.SYSTEM); 2127 final int allAppsSize = allAps.size(); 2128 synchronized (mPackages) { 2129 for (int i = 0; i < allAppsSize; i++) { 2130 String pName = allAps.get(i); 2131 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2132 // Should not happen, but we shouldn't be failing if it does 2133 if (pkgSetting == null) { 2134 continue; 2135 } 2136 boolean install = enableApps.contains(pName); 2137 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2138 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2139 + " for system user"); 2140 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2141 } 2142 } 2143 } 2144 } 2145 2146 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2147 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2148 Context.DISPLAY_SERVICE); 2149 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2150 } 2151 2152 /** 2153 * Requests that files preopted on a secondary system partition be copied to the data partition 2154 * if possible. Note that the actual copying of the files is accomplished by init for security 2155 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2156 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2157 */ 2158 private static void requestCopyPreoptedFiles() { 2159 final int WAIT_TIME_MS = 100; 2160 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2161 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2162 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2163 // We will wait for up to 100 seconds. 2164 final long timeStart = SystemClock.uptimeMillis(); 2165 final long timeEnd = timeStart + 100 * 1000; 2166 long timeNow = timeStart; 2167 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2168 try { 2169 Thread.sleep(WAIT_TIME_MS); 2170 } catch (InterruptedException e) { 2171 // Do nothing 2172 } 2173 timeNow = SystemClock.uptimeMillis(); 2174 if (timeNow > timeEnd) { 2175 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2176 Slog.wtf(TAG, "cppreopt did not finish!"); 2177 break; 2178 } 2179 } 2180 2181 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2182 } 2183 } 2184 2185 public PackageManagerService(Context context, Installer installer, 2186 boolean factoryTest, boolean onlyCore) { 2187 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2188 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2189 SystemClock.uptimeMillis()); 2190 2191 if (mSdkVersion <= 0) { 2192 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2193 } 2194 2195 mContext = context; 2196 2197 mPermissionReviewRequired = context.getResources().getBoolean( 2198 R.bool.config_permissionReviewRequired); 2199 2200 mFactoryTest = factoryTest; 2201 mOnlyCore = onlyCore; 2202 mMetrics = new DisplayMetrics(); 2203 mSettings = new Settings(mPackages); 2204 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2205 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2206 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2207 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2208 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2209 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2210 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2211 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2212 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2213 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2214 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2215 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2216 2217 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2218 if (separateProcesses != null && separateProcesses.length() > 0) { 2219 if ("*".equals(separateProcesses)) { 2220 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2221 mSeparateProcesses = null; 2222 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2223 } else { 2224 mDefParseFlags = 0; 2225 mSeparateProcesses = separateProcesses.split(","); 2226 Slog.w(TAG, "Running with debug.separate_processes: " 2227 + separateProcesses); 2228 } 2229 } else { 2230 mDefParseFlags = 0; 2231 mSeparateProcesses = null; 2232 } 2233 2234 mInstaller = installer; 2235 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2236 "*dexopt*"); 2237 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock); 2238 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2239 2240 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2241 FgThread.get().getLooper()); 2242 2243 getDefaultDisplayMetrics(context, mMetrics); 2244 2245 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2246 SystemConfig systemConfig = SystemConfig.getInstance(); 2247 mGlobalGids = systemConfig.getGlobalGids(); 2248 mSystemPermissions = systemConfig.getSystemPermissions(); 2249 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2250 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2251 2252 mProtectedPackages = new ProtectedPackages(mContext); 2253 2254 synchronized (mInstallLock) { 2255 // writer 2256 synchronized (mPackages) { 2257 mHandlerThread = new ServiceThread(TAG, 2258 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2259 mHandlerThread.start(); 2260 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2261 mProcessLoggingHandler = new ProcessLoggingHandler(); 2262 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2263 2264 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2265 mInstantAppRegistry = new InstantAppRegistry(this); 2266 2267 File dataDir = Environment.getDataDirectory(); 2268 mAppInstallDir = new File(dataDir, "app"); 2269 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2270 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2271 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2272 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2273 mUserDataPreparer = new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore); 2274 sUserManager = new UserManagerService(context, this, mUserDataPreparer, mPackages); 2275 2276 // Propagate permission configuration in to package manager. 2277 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2278 = systemConfig.getPermissions(); 2279 for (int i=0; i<permConfig.size(); i++) { 2280 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2281 BasePermission bp = mSettings.mPermissions.get(perm.name); 2282 if (bp == null) { 2283 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2284 mSettings.mPermissions.put(perm.name, bp); 2285 } 2286 if (perm.gids != null) { 2287 bp.setGids(perm.gids, perm.perUser); 2288 } 2289 } 2290 2291 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2292 final int builtInLibCount = libConfig.size(); 2293 for (int i = 0; i < builtInLibCount; i++) { 2294 String name = libConfig.keyAt(i); 2295 String path = libConfig.valueAt(i); 2296 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2297 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2298 } 2299 2300 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2301 2302 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2303 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2304 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2305 2306 // Clean up orphaned packages for which the code path doesn't exist 2307 // and they are an update to a system app - caused by bug/32321269 2308 final int packageSettingCount = mSettings.mPackages.size(); 2309 for (int i = packageSettingCount - 1; i >= 0; i--) { 2310 PackageSetting ps = mSettings.mPackages.valueAt(i); 2311 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2312 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2313 mSettings.mPackages.removeAt(i); 2314 mSettings.enableSystemPackageLPw(ps.name); 2315 } 2316 } 2317 2318 if (mFirstBoot) { 2319 requestCopyPreoptedFiles(); 2320 } 2321 2322 String customResolverActivity = Resources.getSystem().getString( 2323 R.string.config_customResolverActivity); 2324 if (TextUtils.isEmpty(customResolverActivity)) { 2325 customResolverActivity = null; 2326 } else { 2327 mCustomResolverComponentName = ComponentName.unflattenFromString( 2328 customResolverActivity); 2329 } 2330 2331 long startTime = SystemClock.uptimeMillis(); 2332 2333 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2334 startTime); 2335 2336 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2337 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2338 2339 if (bootClassPath == null) { 2340 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2341 } 2342 2343 if (systemServerClassPath == null) { 2344 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2345 } 2346 2347 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2348 final String[] dexCodeInstructionSets = 2349 getDexCodeInstructionSets( 2350 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2351 2352 /** 2353 * Ensure all external libraries have had dexopt run on them. 2354 */ 2355 if (mSharedLibraries.size() > 0) { 2356 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2357 // NOTE: For now, we're compiling these system "shared libraries" 2358 // (and framework jars) into all available architectures. It's possible 2359 // to compile them only when we come across an app that uses them (there's 2360 // already logic for that in scanPackageLI) but that adds some complexity. 2361 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2362 final int libCount = mSharedLibraries.size(); 2363 for (int i = 0; i < libCount; i++) { 2364 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 2365 final int versionCount = versionedLib.size(); 2366 for (int j = 0; j < versionCount; j++) { 2367 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 2368 final String libPath = libEntry.path != null 2369 ? libEntry.path : libEntry.apk; 2370 if (libPath == null) { 2371 continue; 2372 } 2373 try { 2374 // Shared libraries do not have profiles so we perform a full 2375 // AOT compilation (if needed). 2376 int dexoptNeeded = DexFile.getDexOptNeeded( 2377 libPath, dexCodeInstructionSet, 2378 getCompilerFilterForReason(REASON_SHARED_APK), 2379 false /* newProfile */); 2380 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2381 mInstaller.dexopt(libPath, Process.SYSTEM_UID, "*", 2382 dexCodeInstructionSet, dexoptNeeded, null, 2383 DEXOPT_PUBLIC, 2384 getCompilerFilterForReason(REASON_SHARED_APK), 2385 StorageManager.UUID_PRIVATE_INTERNAL, 2386 SKIP_SHARED_LIBRARY_CHECK); 2387 } 2388 } catch (FileNotFoundException e) { 2389 Slog.w(TAG, "Library not found: " + libPath); 2390 } catch (IOException | InstallerException e) { 2391 Slog.w(TAG, "Cannot dexopt " + libPath + "; is it an APK or JAR? " 2392 + e.getMessage()); 2393 } 2394 } 2395 } 2396 } 2397 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2398 } 2399 2400 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2401 2402 final VersionInfo ver = mSettings.getInternalVersion(); 2403 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2404 2405 // when upgrading from pre-M, promote system app permissions from install to runtime 2406 mPromoteSystemApps = 2407 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2408 2409 // When upgrading from pre-N, we need to handle package extraction like first boot, 2410 // as there is no profiling data available. 2411 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2412 2413 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2414 2415 // save off the names of pre-existing system packages prior to scanning; we don't 2416 // want to automatically grant runtime permissions for new system apps 2417 if (mPromoteSystemApps) { 2418 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2419 while (pkgSettingIter.hasNext()) { 2420 PackageSetting ps = pkgSettingIter.next(); 2421 if (isSystemApp(ps)) { 2422 mExistingSystemPackages.add(ps.name); 2423 } 2424 } 2425 } 2426 2427 mCacheDir = preparePackageParserCache(mIsUpgrade); 2428 2429 // Set flag to monitor and not change apk file paths when 2430 // scanning install directories. 2431 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2432 2433 if (mIsUpgrade || mFirstBoot) { 2434 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2435 } 2436 2437 // Collect vendor overlay packages. (Do this before scanning any apps.) 2438 // For security and version matching reason, only consider 2439 // overlay packages if they reside in the right directory. 2440 String overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PERSIST_PROPERTY); 2441 if (overlayThemeDir.isEmpty()) { 2442 overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PROPERTY); 2443 } 2444 if (!overlayThemeDir.isEmpty()) { 2445 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlayThemeDir), mDefParseFlags 2446 | PackageParser.PARSE_IS_SYSTEM 2447 | PackageParser.PARSE_IS_SYSTEM_DIR 2448 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2449 } 2450 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2451 | PackageParser.PARSE_IS_SYSTEM 2452 | PackageParser.PARSE_IS_SYSTEM_DIR 2453 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2454 2455 // Find base frameworks (resource packages without code). 2456 scanDirTracedLI(frameworkDir, mDefParseFlags 2457 | PackageParser.PARSE_IS_SYSTEM 2458 | PackageParser.PARSE_IS_SYSTEM_DIR 2459 | PackageParser.PARSE_IS_PRIVILEGED, 2460 scanFlags | SCAN_NO_DEX, 0); 2461 2462 // Collected privileged system packages. 2463 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2464 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2465 | PackageParser.PARSE_IS_SYSTEM 2466 | PackageParser.PARSE_IS_SYSTEM_DIR 2467 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2468 2469 // Collect ordinary system packages. 2470 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2471 scanDirTracedLI(systemAppDir, mDefParseFlags 2472 | PackageParser.PARSE_IS_SYSTEM 2473 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2474 2475 // Collect all vendor packages. 2476 File vendorAppDir = new File("/vendor/app"); 2477 try { 2478 vendorAppDir = vendorAppDir.getCanonicalFile(); 2479 } catch (IOException e) { 2480 // failed to look up canonical path, continue with original one 2481 } 2482 scanDirTracedLI(vendorAppDir, mDefParseFlags 2483 | PackageParser.PARSE_IS_SYSTEM 2484 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2485 2486 // Collect all OEM packages. 2487 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2488 scanDirTracedLI(oemAppDir, mDefParseFlags 2489 | PackageParser.PARSE_IS_SYSTEM 2490 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2491 2492 // Prune any system packages that no longer exist. 2493 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2494 if (!mOnlyCore) { 2495 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2496 while (psit.hasNext()) { 2497 PackageSetting ps = psit.next(); 2498 2499 /* 2500 * If this is not a system app, it can't be a 2501 * disable system app. 2502 */ 2503 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2504 continue; 2505 } 2506 2507 /* 2508 * If the package is scanned, it's not erased. 2509 */ 2510 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2511 if (scannedPkg != null) { 2512 /* 2513 * If the system app is both scanned and in the 2514 * disabled packages list, then it must have been 2515 * added via OTA. Remove it from the currently 2516 * scanned package so the previously user-installed 2517 * application can be scanned. 2518 */ 2519 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2520 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2521 + ps.name + "; removing system app. Last known codePath=" 2522 + ps.codePathString + ", installStatus=" + ps.installStatus 2523 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2524 + scannedPkg.mVersionCode); 2525 removePackageLI(scannedPkg, true); 2526 mExpectingBetter.put(ps.name, ps.codePath); 2527 } 2528 2529 continue; 2530 } 2531 2532 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2533 psit.remove(); 2534 logCriticalInfo(Log.WARN, "System package " + ps.name 2535 + " no longer exists; it's data will be wiped"); 2536 // Actual deletion of code and data will be handled by later 2537 // reconciliation step 2538 } else { 2539 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2540 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2541 possiblyDeletedUpdatedSystemApps.add(ps.name); 2542 } 2543 } 2544 } 2545 } 2546 2547 //look for any incomplete package installations 2548 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2549 for (int i = 0; i < deletePkgsList.size(); i++) { 2550 // Actual deletion of code and data will be handled by later 2551 // reconciliation step 2552 final String packageName = deletePkgsList.get(i).name; 2553 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2554 synchronized (mPackages) { 2555 mSettings.removePackageLPw(packageName); 2556 } 2557 } 2558 2559 //delete tmp files 2560 deleteTempPackageFiles(); 2561 2562 // Remove any shared userIDs that have no associated packages 2563 mSettings.pruneSharedUsersLPw(); 2564 2565 if (!mOnlyCore) { 2566 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2567 SystemClock.uptimeMillis()); 2568 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2569 2570 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2571 | PackageParser.PARSE_FORWARD_LOCK, 2572 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2573 2574 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2575 | PackageParser.PARSE_IS_EPHEMERAL, 2576 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2577 2578 /** 2579 * Remove disable package settings for any updated system 2580 * apps that were removed via an OTA. If they're not a 2581 * previously-updated app, remove them completely. 2582 * Otherwise, just revoke their system-level permissions. 2583 */ 2584 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2585 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2586 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2587 2588 String msg; 2589 if (deletedPkg == null) { 2590 msg = "Updated system package " + deletedAppName 2591 + " no longer exists; it's data will be wiped"; 2592 // Actual deletion of code and data will be handled by later 2593 // reconciliation step 2594 } else { 2595 msg = "Updated system app + " + deletedAppName 2596 + " no longer present; removing system privileges for " 2597 + deletedAppName; 2598 2599 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2600 2601 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2602 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2603 } 2604 logCriticalInfo(Log.WARN, msg); 2605 } 2606 2607 /** 2608 * Make sure all system apps that we expected to appear on 2609 * the userdata partition actually showed up. If they never 2610 * appeared, crawl back and revive the system version. 2611 */ 2612 for (int i = 0; i < mExpectingBetter.size(); i++) { 2613 final String packageName = mExpectingBetter.keyAt(i); 2614 if (!mPackages.containsKey(packageName)) { 2615 final File scanFile = mExpectingBetter.valueAt(i); 2616 2617 logCriticalInfo(Log.WARN, "Expected better " + packageName 2618 + " but never showed up; reverting to system"); 2619 2620 int reparseFlags = mDefParseFlags; 2621 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2622 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2623 | PackageParser.PARSE_IS_SYSTEM_DIR 2624 | PackageParser.PARSE_IS_PRIVILEGED; 2625 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2626 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2627 | PackageParser.PARSE_IS_SYSTEM_DIR; 2628 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2629 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2630 | PackageParser.PARSE_IS_SYSTEM_DIR; 2631 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2632 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2633 | PackageParser.PARSE_IS_SYSTEM_DIR; 2634 } else { 2635 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2636 continue; 2637 } 2638 2639 mSettings.enableSystemPackageLPw(packageName); 2640 2641 try { 2642 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2643 } catch (PackageManagerException e) { 2644 Slog.e(TAG, "Failed to parse original system package: " 2645 + e.getMessage()); 2646 } 2647 } 2648 } 2649 } 2650 mExpectingBetter.clear(); 2651 2652 // Resolve the storage manager. 2653 mStorageManagerPackage = getStorageManagerPackageName(); 2654 2655 // Resolve protected action filters. Only the setup wizard is allowed to 2656 // have a high priority filter for these actions. 2657 mSetupWizardPackage = getSetupWizardPackageName(); 2658 if (mProtectedFilters.size() > 0) { 2659 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2660 Slog.i(TAG, "No setup wizard;" 2661 + " All protected intents capped to priority 0"); 2662 } 2663 for (ActivityIntentInfo filter : mProtectedFilters) { 2664 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2665 if (DEBUG_FILTERS) { 2666 Slog.i(TAG, "Found setup wizard;" 2667 + " allow priority " + filter.getPriority() + ";" 2668 + " package: " + filter.activity.info.packageName 2669 + " activity: " + filter.activity.className 2670 + " priority: " + filter.getPriority()); 2671 } 2672 // skip setup wizard; allow it to keep the high priority filter 2673 continue; 2674 } 2675 Slog.w(TAG, "Protected action; cap priority to 0;" 2676 + " package: " + filter.activity.info.packageName 2677 + " activity: " + filter.activity.className 2678 + " origPrio: " + filter.getPriority()); 2679 filter.setPriority(0); 2680 } 2681 } 2682 mDeferProtectedFilters = false; 2683 mProtectedFilters.clear(); 2684 2685 // Now that we know all of the shared libraries, update all clients to have 2686 // the correct library paths. 2687 updateAllSharedLibrariesLPw(null); 2688 2689 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2690 // NOTE: We ignore potential failures here during a system scan (like 2691 // the rest of the commands above) because there's precious little we 2692 // can do about it. A settings error is reported, though. 2693 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2694 } 2695 2696 // Now that we know all the packages we are keeping, 2697 // read and update their last usage times. 2698 mPackageUsage.read(mPackages); 2699 mCompilerStats.read(); 2700 2701 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2702 SystemClock.uptimeMillis()); 2703 Slog.i(TAG, "Time to scan packages: " 2704 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2705 + " seconds"); 2706 2707 // If the platform SDK has changed since the last time we booted, 2708 // we need to re-grant app permission to catch any new ones that 2709 // appear. This is really a hack, and means that apps can in some 2710 // cases get permissions that the user didn't initially explicitly 2711 // allow... it would be nice to have some better way to handle 2712 // this situation. 2713 int updateFlags = UPDATE_PERMISSIONS_ALL; 2714 if (ver.sdkVersion != mSdkVersion) { 2715 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2716 + mSdkVersion + "; regranting permissions for internal storage"); 2717 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2718 } 2719 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2720 ver.sdkVersion = mSdkVersion; 2721 2722 // If this is the first boot or an update from pre-M, and it is a normal 2723 // boot, then we need to initialize the default preferred apps across 2724 // all defined users. 2725 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2726 for (UserInfo user : sUserManager.getUsers(true)) { 2727 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2728 applyFactoryDefaultBrowserLPw(user.id); 2729 primeDomainVerificationsLPw(user.id); 2730 } 2731 } 2732 2733 // Prepare storage for system user really early during boot, 2734 // since core system apps like SettingsProvider and SystemUI 2735 // can't wait for user to start 2736 final int storageFlags; 2737 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2738 storageFlags = StorageManager.FLAG_STORAGE_DE; 2739 } else { 2740 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2741 } 2742 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2743 storageFlags, true /* migrateAppData */); 2744 2745 // If this is first boot after an OTA, and a normal boot, then 2746 // we need to clear code cache directories. 2747 // Note that we do *not* clear the application profiles. These remain valid 2748 // across OTAs and are used to drive profile verification (post OTA) and 2749 // profile compilation (without waiting to collect a fresh set of profiles). 2750 if (mIsUpgrade && !onlyCore) { 2751 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2752 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2753 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2754 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2755 // No apps are running this early, so no need to freeze 2756 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2757 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2758 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2759 } 2760 } 2761 ver.fingerprint = Build.FINGERPRINT; 2762 } 2763 2764 checkDefaultBrowser(); 2765 2766 // clear only after permissions and other defaults have been updated 2767 mExistingSystemPackages.clear(); 2768 mPromoteSystemApps = false; 2769 2770 // All the changes are done during package scanning. 2771 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2772 2773 // can downgrade to reader 2774 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2775 mSettings.writeLPr(); 2776 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2777 2778 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2779 // early on (before the package manager declares itself as early) because other 2780 // components in the system server might ask for package contexts for these apps. 2781 // 2782 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2783 // (i.e, that the data partition is unavailable). 2784 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2785 long start = System.nanoTime(); 2786 List<PackageParser.Package> coreApps = new ArrayList<>(); 2787 for (PackageParser.Package pkg : mPackages.values()) { 2788 if (pkg.coreApp) { 2789 coreApps.add(pkg); 2790 } 2791 } 2792 2793 int[] stats = performDexOptUpgrade(coreApps, false, 2794 getCompilerFilterForReason(REASON_CORE_APP)); 2795 2796 final int elapsedTimeSeconds = 2797 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2798 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2799 2800 if (DEBUG_DEXOPT) { 2801 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2802 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2803 } 2804 2805 2806 // TODO: Should we log these stats to tron too ? 2807 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2808 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2809 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2810 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2811 } 2812 2813 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2814 SystemClock.uptimeMillis()); 2815 2816 if (!mOnlyCore) { 2817 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2818 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2819 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2820 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2821 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2822 mIntentFilterVerifierComponent); 2823 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2824 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 2825 SharedLibraryInfo.VERSION_UNDEFINED); 2826 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2827 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 2828 SharedLibraryInfo.VERSION_UNDEFINED); 2829 } else { 2830 mRequiredVerifierPackage = null; 2831 mRequiredInstallerPackage = null; 2832 mRequiredUninstallerPackage = null; 2833 mIntentFilterVerifierComponent = null; 2834 mIntentFilterVerifier = null; 2835 mServicesSystemSharedLibraryPackageName = null; 2836 mSharedSystemSharedLibraryPackageName = null; 2837 } 2838 2839 mInstallerService = new PackageInstallerService(context, this); 2840 2841 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2842 if (ephemeralResolverComponent != null) { 2843 if (DEBUG_EPHEMERAL) { 2844 Slog.i(TAG, "Ephemeral resolver: " + ephemeralResolverComponent); 2845 } 2846 mEphemeralResolverConnection = 2847 new EphemeralResolverConnection(mContext, ephemeralResolverComponent); 2848 } else { 2849 mEphemeralResolverConnection = null; 2850 } 2851 mEphemeralInstallerComponent = getEphemeralInstallerLPr(); 2852 if (mEphemeralInstallerComponent != null) { 2853 if (DEBUG_EPHEMERAL) { 2854 Slog.i(TAG, "Ephemeral installer: " + mEphemeralInstallerComponent); 2855 } 2856 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2857 } 2858 2859 // Read and update the usage of dex files. 2860 // Do this at the end of PM init so that all the packages have their 2861 // data directory reconciled. 2862 // At this point we know the code paths of the packages, so we can validate 2863 // the disk file and build the internal cache. 2864 // The usage file is expected to be small so loading and verifying it 2865 // should take a fairly small time compare to the other activities (e.g. package 2866 // scanning). 2867 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2868 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2869 for (int userId : currentUserIds) { 2870 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2871 } 2872 mDexManager.load(userPackages); 2873 } // synchronized (mPackages) 2874 } // synchronized (mInstallLock) 2875 2876 // Now after opening every single application zip, make sure they 2877 // are all flushed. Not really needed, but keeps things nice and 2878 // tidy. 2879 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2880 Runtime.getRuntime().gc(); 2881 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2882 2883 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2884 FallbackCategoryProvider.loadFallbacks(); 2885 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2886 2887 // The initial scanning above does many calls into installd while 2888 // holding the mPackages lock, but we're mostly interested in yelling 2889 // once we have a booted system. 2890 mInstaller.setWarnIfHeld(mPackages); 2891 2892 // Expose private service for system components to use. 2893 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2894 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2895 } 2896 2897 private static File preparePackageParserCache(boolean isUpgrade) { 2898 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 2899 return null; 2900 } 2901 2902 // Disable package parsing on eng builds to allow for faster incremental development. 2903 if ("eng".equals(Build.TYPE)) { 2904 return null; 2905 } 2906 2907 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 2908 Slog.i(TAG, "Disabling package parser cache due to system property."); 2909 return null; 2910 } 2911 2912 // The base directory for the package parser cache lives under /data/system/. 2913 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 2914 "package_cache"); 2915 if (cacheBaseDir == null) { 2916 return null; 2917 } 2918 2919 // If this is a system upgrade scenario, delete the contents of the package cache dir. 2920 // This also serves to "GC" unused entries when the package cache version changes (which 2921 // can only happen during upgrades). 2922 if (isUpgrade) { 2923 FileUtils.deleteContents(cacheBaseDir); 2924 } 2925 2926 2927 // Return the versioned package cache directory. This is something like 2928 // "/data/system/package_cache/1" 2929 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2930 2931 // The following is a workaround to aid development on non-numbered userdebug 2932 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 2933 // the system partition is newer. 2934 // 2935 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 2936 // that starts with "eng." to signify that this is an engineering build and not 2937 // destined for release. 2938 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 2939 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 2940 2941 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 2942 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 2943 // in general and should not be used for production changes. In this specific case, 2944 // we know that they will work. 2945 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2946 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 2947 FileUtils.deleteContents(cacheBaseDir); 2948 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2949 } 2950 } 2951 2952 return cacheDir; 2953 } 2954 2955 @Override 2956 public boolean isFirstBoot() { 2957 return mFirstBoot; 2958 } 2959 2960 @Override 2961 public boolean isOnlyCoreApps() { 2962 return mOnlyCore; 2963 } 2964 2965 @Override 2966 public boolean isUpgrade() { 2967 return mIsUpgrade; 2968 } 2969 2970 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2971 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2972 2973 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2974 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2975 UserHandle.USER_SYSTEM); 2976 if (matches.size() == 1) { 2977 return matches.get(0).getComponentInfo().packageName; 2978 } else if (matches.size() == 0) { 2979 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2980 return null; 2981 } 2982 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2983 } 2984 2985 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 2986 synchronized (mPackages) { 2987 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 2988 if (libraryEntry == null) { 2989 throw new IllegalStateException("Missing required shared library:" + name); 2990 } 2991 return libraryEntry.apk; 2992 } 2993 } 2994 2995 private @NonNull String getRequiredInstallerLPr() { 2996 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2997 intent.addCategory(Intent.CATEGORY_DEFAULT); 2998 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2999 3000 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3001 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3002 UserHandle.USER_SYSTEM); 3003 if (matches.size() == 1) { 3004 ResolveInfo resolveInfo = matches.get(0); 3005 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3006 throw new RuntimeException("The installer must be a privileged app"); 3007 } 3008 return matches.get(0).getComponentInfo().packageName; 3009 } else { 3010 throw new RuntimeException("There must be exactly one installer; found " + matches); 3011 } 3012 } 3013 3014 private @NonNull String getRequiredUninstallerLPr() { 3015 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3016 intent.addCategory(Intent.CATEGORY_DEFAULT); 3017 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3018 3019 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3020 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3021 UserHandle.USER_SYSTEM); 3022 if (resolveInfo == null || 3023 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3024 throw new RuntimeException("There must be exactly one uninstaller; found " 3025 + resolveInfo); 3026 } 3027 return resolveInfo.getComponentInfo().packageName; 3028 } 3029 3030 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3031 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3032 3033 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3034 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3035 UserHandle.USER_SYSTEM); 3036 ResolveInfo best = null; 3037 final int N = matches.size(); 3038 for (int i = 0; i < N; i++) { 3039 final ResolveInfo cur = matches.get(i); 3040 final String packageName = cur.getComponentInfo().packageName; 3041 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3042 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3043 continue; 3044 } 3045 3046 if (best == null || cur.priority > best.priority) { 3047 best = cur; 3048 } 3049 } 3050 3051 if (best != null) { 3052 return best.getComponentInfo().getComponentName(); 3053 } else { 3054 throw new RuntimeException("There must be at least one intent filter verifier"); 3055 } 3056 } 3057 3058 private @Nullable ComponentName getEphemeralResolverLPr() { 3059 final String[] packageArray = 3060 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3061 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3062 if (DEBUG_EPHEMERAL) { 3063 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3064 } 3065 return null; 3066 } 3067 3068 final int resolveFlags = 3069 MATCH_DIRECT_BOOT_AWARE 3070 | MATCH_DIRECT_BOOT_UNAWARE 3071 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3072 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 3073 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3074 resolveFlags, UserHandle.USER_SYSTEM); 3075 3076 final int N = resolvers.size(); 3077 if (N == 0) { 3078 if (DEBUG_EPHEMERAL) { 3079 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3080 } 3081 return null; 3082 } 3083 3084 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3085 for (int i = 0; i < N; i++) { 3086 final ResolveInfo info = resolvers.get(i); 3087 3088 if (info.serviceInfo == null) { 3089 continue; 3090 } 3091 3092 final String packageName = info.serviceInfo.packageName; 3093 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3094 if (DEBUG_EPHEMERAL) { 3095 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3096 + " pkg: " + packageName + ", info:" + info); 3097 } 3098 continue; 3099 } 3100 3101 if (DEBUG_EPHEMERAL) { 3102 Slog.v(TAG, "Ephemeral resolver found;" 3103 + " pkg: " + packageName + ", info:" + info); 3104 } 3105 return new ComponentName(packageName, info.serviceInfo.name); 3106 } 3107 if (DEBUG_EPHEMERAL) { 3108 Slog.v(TAG, "Ephemeral resolver NOT found"); 3109 } 3110 return null; 3111 } 3112 3113 private @Nullable ComponentName getEphemeralInstallerLPr() { 3114 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3115 intent.addCategory(Intent.CATEGORY_DEFAULT); 3116 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3117 3118 final int resolveFlags = 3119 MATCH_DIRECT_BOOT_AWARE 3120 | MATCH_DIRECT_BOOT_UNAWARE 3121 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3122 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3123 resolveFlags, UserHandle.USER_SYSTEM); 3124 Iterator<ResolveInfo> iter = matches.iterator(); 3125 while (iter.hasNext()) { 3126 final ResolveInfo rInfo = iter.next(); 3127 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3128 if (ps != null) { 3129 final PermissionsState permissionsState = ps.getPermissionsState(); 3130 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3131 continue; 3132 } 3133 } 3134 iter.remove(); 3135 } 3136 if (matches.size() == 0) { 3137 return null; 3138 } else if (matches.size() == 1) { 3139 return matches.get(0).getComponentInfo().getComponentName(); 3140 } else { 3141 throw new RuntimeException( 3142 "There must be at most one ephemeral installer; found " + matches); 3143 } 3144 } 3145 3146 private void primeDomainVerificationsLPw(int userId) { 3147 if (DEBUG_DOMAIN_VERIFICATION) { 3148 Slog.d(TAG, "Priming domain verifications in user " + userId); 3149 } 3150 3151 SystemConfig systemConfig = SystemConfig.getInstance(); 3152 ArraySet<String> packages = systemConfig.getLinkedApps(); 3153 3154 for (String packageName : packages) { 3155 PackageParser.Package pkg = mPackages.get(packageName); 3156 if (pkg != null) { 3157 if (!pkg.isSystemApp()) { 3158 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3159 continue; 3160 } 3161 3162 ArraySet<String> domains = null; 3163 for (PackageParser.Activity a : pkg.activities) { 3164 for (ActivityIntentInfo filter : a.intents) { 3165 if (hasValidDomains(filter)) { 3166 if (domains == null) { 3167 domains = new ArraySet<String>(); 3168 } 3169 domains.addAll(filter.getHostsList()); 3170 } 3171 } 3172 } 3173 3174 if (domains != null && domains.size() > 0) { 3175 if (DEBUG_DOMAIN_VERIFICATION) { 3176 Slog.v(TAG, " + " + packageName); 3177 } 3178 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3179 // state w.r.t. the formal app-linkage "no verification attempted" state; 3180 // and then 'always' in the per-user state actually used for intent resolution. 3181 final IntentFilterVerificationInfo ivi; 3182 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3183 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3184 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3185 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3186 } else { 3187 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3188 + "' does not handle web links"); 3189 } 3190 } else { 3191 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3192 } 3193 } 3194 3195 scheduleWritePackageRestrictionsLocked(userId); 3196 scheduleWriteSettingsLocked(); 3197 } 3198 3199 private void applyFactoryDefaultBrowserLPw(int userId) { 3200 // The default browser app's package name is stored in a string resource, 3201 // with a product-specific overlay used for vendor customization. 3202 String browserPkg = mContext.getResources().getString( 3203 com.android.internal.R.string.default_browser); 3204 if (!TextUtils.isEmpty(browserPkg)) { 3205 // non-empty string => required to be a known package 3206 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3207 if (ps == null) { 3208 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3209 browserPkg = null; 3210 } else { 3211 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3212 } 3213 } 3214 3215 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3216 // default. If there's more than one, just leave everything alone. 3217 if (browserPkg == null) { 3218 calculateDefaultBrowserLPw(userId); 3219 } 3220 } 3221 3222 private void calculateDefaultBrowserLPw(int userId) { 3223 List<String> allBrowsers = resolveAllBrowserApps(userId); 3224 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3225 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3226 } 3227 3228 private List<String> resolveAllBrowserApps(int userId) { 3229 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3230 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3231 PackageManager.MATCH_ALL, userId); 3232 3233 final int count = list.size(); 3234 List<String> result = new ArrayList<String>(count); 3235 for (int i=0; i<count; i++) { 3236 ResolveInfo info = list.get(i); 3237 if (info.activityInfo == null 3238 || !info.handleAllWebDataURI 3239 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3240 || result.contains(info.activityInfo.packageName)) { 3241 continue; 3242 } 3243 result.add(info.activityInfo.packageName); 3244 } 3245 3246 return result; 3247 } 3248 3249 private boolean packageIsBrowser(String packageName, int userId) { 3250 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3251 PackageManager.MATCH_ALL, userId); 3252 final int N = list.size(); 3253 for (int i = 0; i < N; i++) { 3254 ResolveInfo info = list.get(i); 3255 if (packageName.equals(info.activityInfo.packageName)) { 3256 return true; 3257 } 3258 } 3259 return false; 3260 } 3261 3262 private void checkDefaultBrowser() { 3263 final int myUserId = UserHandle.myUserId(); 3264 final String packageName = getDefaultBrowserPackageName(myUserId); 3265 if (packageName != null) { 3266 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3267 if (info == null) { 3268 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3269 synchronized (mPackages) { 3270 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3271 } 3272 } 3273 } 3274 } 3275 3276 @Override 3277 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3278 throws RemoteException { 3279 try { 3280 return super.onTransact(code, data, reply, flags); 3281 } catch (RuntimeException e) { 3282 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3283 Slog.wtf(TAG, "Package Manager Crash", e); 3284 } 3285 throw e; 3286 } 3287 } 3288 3289 static int[] appendInts(int[] cur, int[] add) { 3290 if (add == null) return cur; 3291 if (cur == null) return add; 3292 final int N = add.length; 3293 for (int i=0; i<N; i++) { 3294 cur = appendInt(cur, add[i]); 3295 } 3296 return cur; 3297 } 3298 3299 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3300 if (!sUserManager.exists(userId)) return null; 3301 if (ps == null) { 3302 return null; 3303 } 3304 final PackageParser.Package p = ps.pkg; 3305 if (p == null) { 3306 return null; 3307 } 3308 // Filter out ephemeral app metadata: 3309 // * The system/shell/root can see metadata for any app 3310 // * An installed app can see metadata for 1) other installed apps 3311 // and 2) ephemeral apps that have explicitly interacted with it 3312 // * Ephemeral apps can only see their own metadata 3313 // * Holding a signature permission allows seeing instant apps 3314 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 3315 if (callingAppId != Process.SYSTEM_UID 3316 && callingAppId != Process.SHELL_UID 3317 && callingAppId != Process.ROOT_UID 3318 && checkUidPermission(Manifest.permission.ACCESS_INSTANT_APPS, 3319 Binder.getCallingUid()) != PackageManager.PERMISSION_GRANTED) { 3320 final String ephemeralPackageName = getEphemeralPackageName(Binder.getCallingUid()); 3321 if (ephemeralPackageName != null) { 3322 // ephemeral apps can only get information on themselves 3323 if (!ephemeralPackageName.equals(p.packageName)) { 3324 return null; 3325 } 3326 } else { 3327 if (p.applicationInfo.isInstantApp()) { 3328 // only get access to the ephemeral app if we've been granted access 3329 if (!mInstantAppRegistry.isInstantAccessGranted( 3330 userId, callingAppId, ps.appId)) { 3331 return null; 3332 } 3333 } 3334 } 3335 } 3336 3337 final PermissionsState permissionsState = ps.getPermissionsState(); 3338 3339 // Compute GIDs only if requested 3340 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3341 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3342 // Compute granted permissions only if package has requested permissions 3343 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3344 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3345 final PackageUserState state = ps.readUserState(userId); 3346 3347 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3348 && ps.isSystem()) { 3349 flags |= MATCH_ANY_USER; 3350 } 3351 3352 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3353 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3354 3355 if (packageInfo == null) { 3356 return null; 3357 } 3358 3359 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3360 resolveExternalPackageNameLPr(p); 3361 3362 return packageInfo; 3363 } 3364 3365 @Override 3366 public void checkPackageStartable(String packageName, int userId) { 3367 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3368 3369 synchronized (mPackages) { 3370 final PackageSetting ps = mSettings.mPackages.get(packageName); 3371 if (ps == null) { 3372 throw new SecurityException("Package " + packageName + " was not found!"); 3373 } 3374 3375 if (!ps.getInstalled(userId)) { 3376 throw new SecurityException( 3377 "Package " + packageName + " was not installed for user " + userId + "!"); 3378 } 3379 3380 if (mSafeMode && !ps.isSystem()) { 3381 throw new SecurityException("Package " + packageName + " not a system app!"); 3382 } 3383 3384 if (mFrozenPackages.contains(packageName)) { 3385 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3386 } 3387 3388 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3389 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3390 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3391 } 3392 } 3393 } 3394 3395 @Override 3396 public boolean isPackageAvailable(String packageName, int userId) { 3397 if (!sUserManager.exists(userId)) return false; 3398 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3399 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3400 synchronized (mPackages) { 3401 PackageParser.Package p = mPackages.get(packageName); 3402 if (p != null) { 3403 final PackageSetting ps = (PackageSetting) p.mExtras; 3404 if (ps != null) { 3405 final PackageUserState state = ps.readUserState(userId); 3406 if (state != null) { 3407 return PackageParser.isAvailable(state); 3408 } 3409 } 3410 } 3411 } 3412 return false; 3413 } 3414 3415 @Override 3416 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3417 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3418 flags, userId); 3419 } 3420 3421 @Override 3422 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3423 int flags, int userId) { 3424 return getPackageInfoInternal(versionedPackage.getPackageName(), 3425 // TODO: We will change version code to long, so in the new API it is long 3426 (int) versionedPackage.getVersionCode(), flags, userId); 3427 } 3428 3429 private PackageInfo getPackageInfoInternal(String packageName, int versionCode, 3430 int flags, int userId) { 3431 if (!sUserManager.exists(userId)) return null; 3432 flags = updateFlagsForPackage(flags, userId, packageName); 3433 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3434 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3435 3436 // reader 3437 synchronized (mPackages) { 3438 // Normalize package name to handle renamed packages and static libs 3439 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3440 3441 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3442 if (matchFactoryOnly) { 3443 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3444 if (ps != null) { 3445 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3446 return null; 3447 } 3448 return generatePackageInfo(ps, flags, userId); 3449 } 3450 } 3451 3452 PackageParser.Package p = mPackages.get(packageName); 3453 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3454 return null; 3455 } 3456 if (DEBUG_PACKAGE_INFO) 3457 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3458 if (p != null) { 3459 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 3460 Binder.getCallingUid(), userId)) { 3461 return null; 3462 } 3463 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3464 } 3465 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3466 final PackageSetting ps = mSettings.mPackages.get(packageName); 3467 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3468 return null; 3469 } 3470 return generatePackageInfo(ps, flags, userId); 3471 } 3472 } 3473 return null; 3474 } 3475 3476 3477 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId) { 3478 // System/shell/root get to see all static libs 3479 final int appId = UserHandle.getAppId(uid); 3480 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 3481 || appId == Process.ROOT_UID) { 3482 return false; 3483 } 3484 3485 // No package means no static lib as it is always on internal storage 3486 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 3487 return false; 3488 } 3489 3490 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 3491 ps.pkg.staticSharedLibVersion); 3492 if (libEntry == null) { 3493 return false; 3494 } 3495 3496 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 3497 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 3498 if (uidPackageNames == null) { 3499 return true; 3500 } 3501 3502 for (String uidPackageName : uidPackageNames) { 3503 if (ps.name.equals(uidPackageName)) { 3504 return false; 3505 } 3506 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 3507 if (uidPs != null) { 3508 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 3509 libEntry.info.getName()); 3510 if (index < 0) { 3511 continue; 3512 } 3513 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getVersion()) { 3514 return false; 3515 } 3516 } 3517 } 3518 return true; 3519 } 3520 3521 @Override 3522 public String[] currentToCanonicalPackageNames(String[] names) { 3523 String[] out = new String[names.length]; 3524 // reader 3525 synchronized (mPackages) { 3526 for (int i=names.length-1; i>=0; i--) { 3527 PackageSetting ps = mSettings.mPackages.get(names[i]); 3528 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3529 } 3530 } 3531 return out; 3532 } 3533 3534 @Override 3535 public String[] canonicalToCurrentPackageNames(String[] names) { 3536 String[] out = new String[names.length]; 3537 // reader 3538 synchronized (mPackages) { 3539 for (int i=names.length-1; i>=0; i--) { 3540 String cur = mSettings.getRenamedPackageLPr(names[i]); 3541 out[i] = cur != null ? cur : names[i]; 3542 } 3543 } 3544 return out; 3545 } 3546 3547 @Override 3548 public int getPackageUid(String packageName, int flags, int userId) { 3549 if (!sUserManager.exists(userId)) return -1; 3550 flags = updateFlagsForPackage(flags, userId, packageName); 3551 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3552 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3553 3554 // reader 3555 synchronized (mPackages) { 3556 final PackageParser.Package p = mPackages.get(packageName); 3557 if (p != null && p.isMatch(flags)) { 3558 return UserHandle.getUid(userId, p.applicationInfo.uid); 3559 } 3560 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3561 final PackageSetting ps = mSettings.mPackages.get(packageName); 3562 if (ps != null && ps.isMatch(flags)) { 3563 return UserHandle.getUid(userId, ps.appId); 3564 } 3565 } 3566 } 3567 3568 return -1; 3569 } 3570 3571 @Override 3572 public int[] getPackageGids(String packageName, int flags, int userId) { 3573 if (!sUserManager.exists(userId)) return null; 3574 flags = updateFlagsForPackage(flags, userId, packageName); 3575 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3576 false /* requireFullPermission */, false /* checkShell */, 3577 "getPackageGids"); 3578 3579 // reader 3580 synchronized (mPackages) { 3581 final PackageParser.Package p = mPackages.get(packageName); 3582 if (p != null && p.isMatch(flags)) { 3583 PackageSetting ps = (PackageSetting) p.mExtras; 3584 // TODO: Shouldn't this be checking for package installed state for userId and 3585 // return null? 3586 return ps.getPermissionsState().computeGids(userId); 3587 } 3588 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3589 final PackageSetting ps = mSettings.mPackages.get(packageName); 3590 if (ps != null && ps.isMatch(flags)) { 3591 return ps.getPermissionsState().computeGids(userId); 3592 } 3593 } 3594 } 3595 3596 return null; 3597 } 3598 3599 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3600 if (bp.perm != null) { 3601 return PackageParser.generatePermissionInfo(bp.perm, flags); 3602 } 3603 PermissionInfo pi = new PermissionInfo(); 3604 pi.name = bp.name; 3605 pi.packageName = bp.sourcePackage; 3606 pi.nonLocalizedLabel = bp.name; 3607 pi.protectionLevel = bp.protectionLevel; 3608 return pi; 3609 } 3610 3611 @Override 3612 public PermissionInfo getPermissionInfo(String name, int flags) { 3613 // reader 3614 synchronized (mPackages) { 3615 final BasePermission p = mSettings.mPermissions.get(name); 3616 if (p != null) { 3617 return generatePermissionInfo(p, flags); 3618 } 3619 return null; 3620 } 3621 } 3622 3623 @Override 3624 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3625 int flags) { 3626 // reader 3627 synchronized (mPackages) { 3628 if (group != null && !mPermissionGroups.containsKey(group)) { 3629 // This is thrown as NameNotFoundException 3630 return null; 3631 } 3632 3633 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3634 for (BasePermission p : mSettings.mPermissions.values()) { 3635 if (group == null) { 3636 if (p.perm == null || p.perm.info.group == null) { 3637 out.add(generatePermissionInfo(p, flags)); 3638 } 3639 } else { 3640 if (p.perm != null && group.equals(p.perm.info.group)) { 3641 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3642 } 3643 } 3644 } 3645 return new ParceledListSlice<>(out); 3646 } 3647 } 3648 3649 @Override 3650 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3651 // reader 3652 synchronized (mPackages) { 3653 return PackageParser.generatePermissionGroupInfo( 3654 mPermissionGroups.get(name), flags); 3655 } 3656 } 3657 3658 @Override 3659 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3660 // reader 3661 synchronized (mPackages) { 3662 final int N = mPermissionGroups.size(); 3663 ArrayList<PermissionGroupInfo> out 3664 = new ArrayList<PermissionGroupInfo>(N); 3665 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3666 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3667 } 3668 return new ParceledListSlice<>(out); 3669 } 3670 } 3671 3672 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3673 int uid, int userId) { 3674 if (!sUserManager.exists(userId)) return null; 3675 PackageSetting ps = mSettings.mPackages.get(packageName); 3676 if (ps != null) { 3677 if (filterSharedLibPackageLPr(ps, uid, userId)) { 3678 return null; 3679 } 3680 if (ps.pkg == null) { 3681 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3682 if (pInfo != null) { 3683 return pInfo.applicationInfo; 3684 } 3685 return null; 3686 } 3687 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3688 ps.readUserState(userId), userId); 3689 if (ai != null) { 3690 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 3691 } 3692 return ai; 3693 } 3694 return null; 3695 } 3696 3697 @Override 3698 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3699 if (!sUserManager.exists(userId)) return null; 3700 flags = updateFlagsForApplication(flags, userId, packageName); 3701 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3702 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3703 3704 // writer 3705 synchronized (mPackages) { 3706 // Normalize package name to handle renamed packages and static libs 3707 packageName = resolveInternalPackageNameLPr(packageName, 3708 PackageManager.VERSION_CODE_HIGHEST); 3709 3710 PackageParser.Package p = mPackages.get(packageName); 3711 if (DEBUG_PACKAGE_INFO) Log.v( 3712 TAG, "getApplicationInfo " + packageName 3713 + ": " + p); 3714 if (p != null) { 3715 PackageSetting ps = mSettings.mPackages.get(packageName); 3716 if (ps == null) return null; 3717 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3718 return null; 3719 } 3720 // Note: isEnabledLP() does not apply here - always return info 3721 ApplicationInfo ai = PackageParser.generateApplicationInfo( 3722 p, flags, ps.readUserState(userId), userId); 3723 if (ai != null) { 3724 ai.packageName = resolveExternalPackageNameLPr(p); 3725 } 3726 return ai; 3727 } 3728 if ("android".equals(packageName)||"system".equals(packageName)) { 3729 return mAndroidApplication; 3730 } 3731 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3732 // Already generates the external package name 3733 return generateApplicationInfoFromSettingsLPw(packageName, 3734 Binder.getCallingUid(), flags, userId); 3735 } 3736 } 3737 return null; 3738 } 3739 3740 private String normalizePackageNameLPr(String packageName) { 3741 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 3742 return normalizedPackageName != null ? normalizedPackageName : packageName; 3743 } 3744 3745 @Override 3746 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3747 final IPackageDataObserver observer) { 3748 mContext.enforceCallingOrSelfPermission( 3749 android.Manifest.permission.CLEAR_APP_CACHE, null); 3750 // Queue up an async operation since clearing cache may take a little while. 3751 mHandler.post(new Runnable() { 3752 public void run() { 3753 mHandler.removeCallbacks(this); 3754 boolean success = true; 3755 synchronized (mInstallLock) { 3756 try { 3757 mInstaller.freeCache(volumeUuid, freeStorageSize, 0); 3758 } catch (InstallerException e) { 3759 Slog.w(TAG, "Couldn't clear application caches: " + e); 3760 success = false; 3761 } 3762 } 3763 if (observer != null) { 3764 try { 3765 observer.onRemoveCompleted(null, success); 3766 } catch (RemoteException e) { 3767 Slog.w(TAG, "RemoveException when invoking call back"); 3768 } 3769 } 3770 } 3771 }); 3772 } 3773 3774 @Override 3775 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3776 final IntentSender pi) { 3777 mContext.enforceCallingOrSelfPermission( 3778 android.Manifest.permission.CLEAR_APP_CACHE, null); 3779 // Queue up an async operation since clearing cache may take a little while. 3780 mHandler.post(new Runnable() { 3781 public void run() { 3782 mHandler.removeCallbacks(this); 3783 boolean success = true; 3784 synchronized (mInstallLock) { 3785 try { 3786 mInstaller.freeCache(volumeUuid, freeStorageSize, 0); 3787 } catch (InstallerException e) { 3788 Slog.w(TAG, "Couldn't clear application caches: " + e); 3789 success = false; 3790 } 3791 } 3792 if(pi != null) { 3793 try { 3794 // Callback via pending intent 3795 int code = success ? 1 : 0; 3796 pi.sendIntent(null, code, null, 3797 null, null); 3798 } catch (SendIntentException e1) { 3799 Slog.i(TAG, "Failed to send pending intent"); 3800 } 3801 } 3802 } 3803 }); 3804 } 3805 3806 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3807 synchronized (mInstallLock) { 3808 try { 3809 mInstaller.freeCache(volumeUuid, freeStorageSize, 0); 3810 } catch (InstallerException e) { 3811 throw new IOException("Failed to free enough space", e); 3812 } 3813 } 3814 } 3815 3816 /** 3817 * Update given flags based on encryption status of current user. 3818 */ 3819 private int updateFlags(int flags, int userId) { 3820 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3821 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3822 // Caller expressed an explicit opinion about what encryption 3823 // aware/unaware components they want to see, so fall through and 3824 // give them what they want 3825 } else { 3826 // Caller expressed no opinion, so match based on user state 3827 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3828 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3829 } else { 3830 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3831 } 3832 } 3833 return flags; 3834 } 3835 3836 private UserManagerInternal getUserManagerInternal() { 3837 if (mUserManagerInternal == null) { 3838 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3839 } 3840 return mUserManagerInternal; 3841 } 3842 3843 /** 3844 * Update given flags when being used to request {@link PackageInfo}. 3845 */ 3846 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3847 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3848 boolean triaged = true; 3849 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3850 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3851 // Caller is asking for component details, so they'd better be 3852 // asking for specific encryption matching behavior, or be triaged 3853 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3854 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3855 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3856 triaged = false; 3857 } 3858 } 3859 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3860 | PackageManager.MATCH_SYSTEM_ONLY 3861 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3862 triaged = false; 3863 } 3864 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3865 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3866 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 3867 + Debug.getCallers(5)); 3868 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 3869 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 3870 // If the caller wants all packages and has a restricted profile associated with it, 3871 // then match all users. This is to make sure that launchers that need to access work 3872 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 3873 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 3874 flags |= PackageManager.MATCH_ANY_USER; 3875 } 3876 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3877 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3878 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3879 } 3880 return updateFlags(flags, userId); 3881 } 3882 3883 /** 3884 * Update given flags when being used to request {@link ApplicationInfo}. 3885 */ 3886 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3887 return updateFlagsForPackage(flags, userId, cookie); 3888 } 3889 3890 /** 3891 * Update given flags when being used to request {@link ComponentInfo}. 3892 */ 3893 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3894 if (cookie instanceof Intent) { 3895 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3896 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3897 } 3898 } 3899 3900 boolean triaged = true; 3901 // Caller is asking for component details, so they'd better be 3902 // asking for specific encryption matching behavior, or be triaged 3903 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3904 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3905 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3906 triaged = false; 3907 } 3908 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3909 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3910 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3911 } 3912 3913 return updateFlags(flags, userId); 3914 } 3915 3916 /** 3917 * Update given intent when being used to request {@link ResolveInfo}. 3918 */ 3919 private Intent updateIntentForResolve(Intent intent) { 3920 if (intent.getSelector() != null) { 3921 intent = intent.getSelector(); 3922 } 3923 if (DEBUG_PREFERRED) { 3924 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3925 } 3926 return intent; 3927 } 3928 3929 /** 3930 * Update given flags when being used to request {@link ResolveInfo}. 3931 */ 3932 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3933 // Safe mode means we shouldn't match any third-party components 3934 if (mSafeMode) { 3935 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3936 } 3937 final int callingUid = Binder.getCallingUid(); 3938 if (callingUid == Process.SYSTEM_UID || callingUid == 0) { 3939 // The system sees all components 3940 flags |= PackageManager.MATCH_EPHEMERAL; 3941 } else if (getEphemeralPackageName(callingUid) != null) { 3942 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 3943 flags |= PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY; 3944 flags |= PackageManager.MATCH_EPHEMERAL; 3945 } else { 3946 // Otherwise, prevent leaking ephemeral components 3947 flags &= ~PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY; 3948 flags &= ~PackageManager.MATCH_EPHEMERAL; 3949 } 3950 return updateFlagsForComponent(flags, userId, cookie); 3951 } 3952 3953 @Override 3954 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3955 if (!sUserManager.exists(userId)) return null; 3956 flags = updateFlagsForComponent(flags, userId, component); 3957 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3958 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3959 synchronized (mPackages) { 3960 PackageParser.Activity a = mActivities.mActivities.get(component); 3961 3962 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3963 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3964 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3965 if (ps == null) return null; 3966 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3967 userId); 3968 } 3969 if (mResolveComponentName.equals(component)) { 3970 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3971 new PackageUserState(), userId); 3972 } 3973 } 3974 return null; 3975 } 3976 3977 @Override 3978 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3979 String resolvedType) { 3980 synchronized (mPackages) { 3981 if (component.equals(mResolveComponentName)) { 3982 // The resolver supports EVERYTHING! 3983 return true; 3984 } 3985 PackageParser.Activity a = mActivities.mActivities.get(component); 3986 if (a == null) { 3987 return false; 3988 } 3989 for (int i=0; i<a.intents.size(); i++) { 3990 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3991 intent.getData(), intent.getCategories(), TAG) >= 0) { 3992 return true; 3993 } 3994 } 3995 return false; 3996 } 3997 } 3998 3999 @Override 4000 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4001 if (!sUserManager.exists(userId)) return null; 4002 flags = updateFlagsForComponent(flags, userId, component); 4003 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4004 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4005 synchronized (mPackages) { 4006 PackageParser.Activity a = mReceivers.mActivities.get(component); 4007 if (DEBUG_PACKAGE_INFO) Log.v( 4008 TAG, "getReceiverInfo " + component + ": " + a); 4009 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4010 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4011 if (ps == null) return null; 4012 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 4013 userId); 4014 } 4015 } 4016 return null; 4017 } 4018 4019 @Override 4020 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(int flags, int userId) { 4021 if (!sUserManager.exists(userId)) return null; 4022 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4023 4024 flags = updateFlagsForPackage(flags, userId, null); 4025 4026 final boolean canSeeStaticLibraries = 4027 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4028 == PERMISSION_GRANTED 4029 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4030 == PERMISSION_GRANTED 4031 || mContext.checkCallingOrSelfPermission(REQUEST_INSTALL_PACKAGES) 4032 == PERMISSION_GRANTED 4033 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4034 == PERMISSION_GRANTED; 4035 4036 synchronized (mPackages) { 4037 List<SharedLibraryInfo> result = null; 4038 4039 final int libCount = mSharedLibraries.size(); 4040 for (int i = 0; i < libCount; i++) { 4041 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4042 if (versionedLib == null) { 4043 continue; 4044 } 4045 4046 final int versionCount = versionedLib.size(); 4047 for (int j = 0; j < versionCount; j++) { 4048 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4049 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4050 break; 4051 } 4052 final long identity = Binder.clearCallingIdentity(); 4053 try { 4054 // TODO: We will change version code to long, so in the new API it is long 4055 PackageInfo packageInfo = getPackageInfoVersioned( 4056 libInfo.getDeclaringPackage(), flags, userId); 4057 if (packageInfo == null) { 4058 continue; 4059 } 4060 } finally { 4061 Binder.restoreCallingIdentity(identity); 4062 } 4063 4064 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4065 libInfo.getVersion(), libInfo.getType(), libInfo.getDeclaringPackage(), 4066 getPackagesUsingSharedLibraryLPr(libInfo, flags, userId)); 4067 4068 if (result == null) { 4069 result = new ArrayList<>(); 4070 } 4071 result.add(resLibInfo); 4072 } 4073 } 4074 4075 return result != null ? new ParceledListSlice<>(result) : null; 4076 } 4077 } 4078 4079 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4080 SharedLibraryInfo libInfo, int flags, int userId) { 4081 List<VersionedPackage> versionedPackages = null; 4082 final int packageCount = mSettings.mPackages.size(); 4083 for (int i = 0; i < packageCount; i++) { 4084 PackageSetting ps = mSettings.mPackages.valueAt(i); 4085 4086 if (ps == null) { 4087 continue; 4088 } 4089 4090 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4091 continue; 4092 } 4093 4094 final String libName = libInfo.getName(); 4095 if (libInfo.isStatic()) { 4096 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4097 if (libIdx < 0) { 4098 continue; 4099 } 4100 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getVersion()) { 4101 continue; 4102 } 4103 if (versionedPackages == null) { 4104 versionedPackages = new ArrayList<>(); 4105 } 4106 // If the dependent is a static shared lib, use the public package name 4107 String dependentPackageName = ps.name; 4108 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4109 dependentPackageName = ps.pkg.manifestPackageName; 4110 } 4111 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4112 } else if (ps.pkg != null) { 4113 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4114 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4115 if (versionedPackages == null) { 4116 versionedPackages = new ArrayList<>(); 4117 } 4118 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4119 } 4120 } 4121 } 4122 4123 return versionedPackages; 4124 } 4125 4126 @Override 4127 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4128 if (!sUserManager.exists(userId)) return null; 4129 flags = updateFlagsForComponent(flags, userId, component); 4130 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4131 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4132 synchronized (mPackages) { 4133 PackageParser.Service s = mServices.mServices.get(component); 4134 if (DEBUG_PACKAGE_INFO) Log.v( 4135 TAG, "getServiceInfo " + component + ": " + s); 4136 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4137 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4138 if (ps == null) return null; 4139 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 4140 userId); 4141 } 4142 } 4143 return null; 4144 } 4145 4146 @Override 4147 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4148 if (!sUserManager.exists(userId)) return null; 4149 flags = updateFlagsForComponent(flags, userId, component); 4150 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4151 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4152 synchronized (mPackages) { 4153 PackageParser.Provider p = mProviders.mProviders.get(component); 4154 if (DEBUG_PACKAGE_INFO) Log.v( 4155 TAG, "getProviderInfo " + component + ": " + p); 4156 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4157 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4158 if (ps == null) return null; 4159 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 4160 userId); 4161 } 4162 } 4163 return null; 4164 } 4165 4166 @Override 4167 public String[] getSystemSharedLibraryNames() { 4168 synchronized (mPackages) { 4169 Set<String> libs = null; 4170 final int libCount = mSharedLibraries.size(); 4171 for (int i = 0; i < libCount; i++) { 4172 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4173 if (versionedLib == null) { 4174 continue; 4175 } 4176 final int versionCount = versionedLib.size(); 4177 for (int j = 0; j < versionCount; j++) { 4178 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4179 if (!libEntry.info.isStatic()) { 4180 if (libs == null) { 4181 libs = new ArraySet<>(); 4182 } 4183 libs.add(libEntry.info.getName()); 4184 break; 4185 } 4186 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 4187 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 4188 UserHandle.getUserId(Binder.getCallingUid()))) { 4189 if (libs == null) { 4190 libs = new ArraySet<>(); 4191 } 4192 libs.add(libEntry.info.getName()); 4193 break; 4194 } 4195 } 4196 } 4197 4198 if (libs != null) { 4199 String[] libsArray = new String[libs.size()]; 4200 libs.toArray(libsArray); 4201 return libsArray; 4202 } 4203 4204 return null; 4205 } 4206 } 4207 4208 @Override 4209 public @NonNull String getServicesSystemSharedLibraryPackageName() { 4210 synchronized (mPackages) { 4211 return mServicesSystemSharedLibraryPackageName; 4212 } 4213 } 4214 4215 @Override 4216 public @NonNull String getSharedSystemSharedLibraryPackageName() { 4217 synchronized (mPackages) { 4218 return mSharedSystemSharedLibraryPackageName; 4219 } 4220 } 4221 4222 @Override 4223 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 4224 ArrayList<FeatureInfo> res; 4225 synchronized (mAvailableFeatures) { 4226 res = new ArrayList<>(mAvailableFeatures.size() + 1); 4227 res.addAll(mAvailableFeatures.values()); 4228 } 4229 final FeatureInfo fi = new FeatureInfo(); 4230 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 4231 FeatureInfo.GL_ES_VERSION_UNDEFINED); 4232 res.add(fi); 4233 4234 return new ParceledListSlice<>(res); 4235 } 4236 4237 @Override 4238 public boolean hasSystemFeature(String name, int version) { 4239 synchronized (mAvailableFeatures) { 4240 final FeatureInfo feat = mAvailableFeatures.get(name); 4241 if (feat == null) { 4242 return false; 4243 } else { 4244 return feat.version >= version; 4245 } 4246 } 4247 } 4248 4249 @Override 4250 public int checkPermission(String permName, String pkgName, int userId) { 4251 if (!sUserManager.exists(userId)) { 4252 return PackageManager.PERMISSION_DENIED; 4253 } 4254 4255 synchronized (mPackages) { 4256 final PackageParser.Package p = mPackages.get(pkgName); 4257 if (p != null && p.mExtras != null) { 4258 final PackageSetting ps = (PackageSetting) p.mExtras; 4259 final PermissionsState permissionsState = ps.getPermissionsState(); 4260 if (permissionsState.hasPermission(permName, userId)) { 4261 return PackageManager.PERMISSION_GRANTED; 4262 } 4263 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4264 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4265 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4266 return PackageManager.PERMISSION_GRANTED; 4267 } 4268 } 4269 } 4270 4271 return PackageManager.PERMISSION_DENIED; 4272 } 4273 4274 @Override 4275 public int checkUidPermission(String permName, int uid) { 4276 final int userId = UserHandle.getUserId(uid); 4277 4278 if (!sUserManager.exists(userId)) { 4279 return PackageManager.PERMISSION_DENIED; 4280 } 4281 4282 synchronized (mPackages) { 4283 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4284 if (obj != null) { 4285 final SettingBase ps = (SettingBase) obj; 4286 final PermissionsState permissionsState = ps.getPermissionsState(); 4287 if (permissionsState.hasPermission(permName, userId)) { 4288 return PackageManager.PERMISSION_GRANTED; 4289 } 4290 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4291 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4292 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4293 return PackageManager.PERMISSION_GRANTED; 4294 } 4295 } else { 4296 ArraySet<String> perms = mSystemPermissions.get(uid); 4297 if (perms != null) { 4298 if (perms.contains(permName)) { 4299 return PackageManager.PERMISSION_GRANTED; 4300 } 4301 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 4302 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 4303 return PackageManager.PERMISSION_GRANTED; 4304 } 4305 } 4306 } 4307 } 4308 4309 return PackageManager.PERMISSION_DENIED; 4310 } 4311 4312 @Override 4313 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 4314 if (UserHandle.getCallingUserId() != userId) { 4315 mContext.enforceCallingPermission( 4316 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4317 "isPermissionRevokedByPolicy for user " + userId); 4318 } 4319 4320 if (checkPermission(permission, packageName, userId) 4321 == PackageManager.PERMISSION_GRANTED) { 4322 return false; 4323 } 4324 4325 final long identity = Binder.clearCallingIdentity(); 4326 try { 4327 final int flags = getPermissionFlags(permission, packageName, userId); 4328 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4329 } finally { 4330 Binder.restoreCallingIdentity(identity); 4331 } 4332 } 4333 4334 @Override 4335 public String getPermissionControllerPackageName() { 4336 synchronized (mPackages) { 4337 return mRequiredInstallerPackage; 4338 } 4339 } 4340 4341 /** 4342 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4343 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4344 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4345 * @param message the message to log on security exception 4346 */ 4347 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4348 boolean checkShell, String message) { 4349 if (userId < 0) { 4350 throw new IllegalArgumentException("Invalid userId " + userId); 4351 } 4352 if (checkShell) { 4353 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4354 } 4355 if (userId == UserHandle.getUserId(callingUid)) return; 4356 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4357 if (requireFullPermission) { 4358 mContext.enforceCallingOrSelfPermission( 4359 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4360 } else { 4361 try { 4362 mContext.enforceCallingOrSelfPermission( 4363 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4364 } catch (SecurityException se) { 4365 mContext.enforceCallingOrSelfPermission( 4366 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 4367 } 4368 } 4369 } 4370 } 4371 4372 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 4373 if (callingUid == Process.SHELL_UID) { 4374 if (userHandle >= 0 4375 && sUserManager.hasUserRestriction(restriction, userHandle)) { 4376 throw new SecurityException("Shell does not have permission to access user " 4377 + userHandle); 4378 } else if (userHandle < 0) { 4379 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 4380 + Debug.getCallers(3)); 4381 } 4382 } 4383 } 4384 4385 private BasePermission findPermissionTreeLP(String permName) { 4386 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 4387 if (permName.startsWith(bp.name) && 4388 permName.length() > bp.name.length() && 4389 permName.charAt(bp.name.length()) == '.') { 4390 return bp; 4391 } 4392 } 4393 return null; 4394 } 4395 4396 private BasePermission checkPermissionTreeLP(String permName) { 4397 if (permName != null) { 4398 BasePermission bp = findPermissionTreeLP(permName); 4399 if (bp != null) { 4400 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 4401 return bp; 4402 } 4403 throw new SecurityException("Calling uid " 4404 + Binder.getCallingUid() 4405 + " is not allowed to add to permission tree " 4406 + bp.name + " owned by uid " + bp.uid); 4407 } 4408 } 4409 throw new SecurityException("No permission tree found for " + permName); 4410 } 4411 4412 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4413 if (s1 == null) { 4414 return s2 == null; 4415 } 4416 if (s2 == null) { 4417 return false; 4418 } 4419 if (s1.getClass() != s2.getClass()) { 4420 return false; 4421 } 4422 return s1.equals(s2); 4423 } 4424 4425 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4426 if (pi1.icon != pi2.icon) return false; 4427 if (pi1.logo != pi2.logo) return false; 4428 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4429 if (!compareStrings(pi1.name, pi2.name)) return false; 4430 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4431 // We'll take care of setting this one. 4432 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4433 // These are not currently stored in settings. 4434 //if (!compareStrings(pi1.group, pi2.group)) return false; 4435 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4436 //if (pi1.labelRes != pi2.labelRes) return false; 4437 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4438 return true; 4439 } 4440 4441 int permissionInfoFootprint(PermissionInfo info) { 4442 int size = info.name.length(); 4443 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4444 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4445 return size; 4446 } 4447 4448 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4449 int size = 0; 4450 for (BasePermission perm : mSettings.mPermissions.values()) { 4451 if (perm.uid == tree.uid) { 4452 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4453 } 4454 } 4455 return size; 4456 } 4457 4458 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4459 // We calculate the max size of permissions defined by this uid and throw 4460 // if that plus the size of 'info' would exceed our stated maximum. 4461 if (tree.uid != Process.SYSTEM_UID) { 4462 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4463 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4464 throw new SecurityException("Permission tree size cap exceeded"); 4465 } 4466 } 4467 } 4468 4469 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4470 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4471 throw new SecurityException("Label must be specified in permission"); 4472 } 4473 BasePermission tree = checkPermissionTreeLP(info.name); 4474 BasePermission bp = mSettings.mPermissions.get(info.name); 4475 boolean added = bp == null; 4476 boolean changed = true; 4477 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4478 if (added) { 4479 enforcePermissionCapLocked(info, tree); 4480 bp = new BasePermission(info.name, tree.sourcePackage, 4481 BasePermission.TYPE_DYNAMIC); 4482 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4483 throw new SecurityException( 4484 "Not allowed to modify non-dynamic permission " 4485 + info.name); 4486 } else { 4487 if (bp.protectionLevel == fixedLevel 4488 && bp.perm.owner.equals(tree.perm.owner) 4489 && bp.uid == tree.uid 4490 && comparePermissionInfos(bp.perm.info, info)) { 4491 changed = false; 4492 } 4493 } 4494 bp.protectionLevel = fixedLevel; 4495 info = new PermissionInfo(info); 4496 info.protectionLevel = fixedLevel; 4497 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4498 bp.perm.info.packageName = tree.perm.info.packageName; 4499 bp.uid = tree.uid; 4500 if (added) { 4501 mSettings.mPermissions.put(info.name, bp); 4502 } 4503 if (changed) { 4504 if (!async) { 4505 mSettings.writeLPr(); 4506 } else { 4507 scheduleWriteSettingsLocked(); 4508 } 4509 } 4510 return added; 4511 } 4512 4513 @Override 4514 public boolean addPermission(PermissionInfo info) { 4515 synchronized (mPackages) { 4516 return addPermissionLocked(info, false); 4517 } 4518 } 4519 4520 @Override 4521 public boolean addPermissionAsync(PermissionInfo info) { 4522 synchronized (mPackages) { 4523 return addPermissionLocked(info, true); 4524 } 4525 } 4526 4527 @Override 4528 public void removePermission(String name) { 4529 synchronized (mPackages) { 4530 checkPermissionTreeLP(name); 4531 BasePermission bp = mSettings.mPermissions.get(name); 4532 if (bp != null) { 4533 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4534 throw new SecurityException( 4535 "Not allowed to modify non-dynamic permission " 4536 + name); 4537 } 4538 mSettings.mPermissions.remove(name); 4539 mSettings.writeLPr(); 4540 } 4541 } 4542 } 4543 4544 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4545 BasePermission bp) { 4546 int index = pkg.requestedPermissions.indexOf(bp.name); 4547 if (index == -1) { 4548 throw new SecurityException("Package " + pkg.packageName 4549 + " has not requested permission " + bp.name); 4550 } 4551 if (!bp.isRuntime() && !bp.isDevelopment()) { 4552 throw new SecurityException("Permission " + bp.name 4553 + " is not a changeable permission type"); 4554 } 4555 } 4556 4557 @Override 4558 public void grantRuntimePermission(String packageName, String name, final int userId) { 4559 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4560 } 4561 4562 private void grantRuntimePermission(String packageName, String name, final int userId, 4563 boolean overridePolicy) { 4564 if (!sUserManager.exists(userId)) { 4565 Log.e(TAG, "No such user:" + userId); 4566 return; 4567 } 4568 4569 mContext.enforceCallingOrSelfPermission( 4570 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4571 "grantRuntimePermission"); 4572 4573 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4574 true /* requireFullPermission */, true /* checkShell */, 4575 "grantRuntimePermission"); 4576 4577 final int uid; 4578 final SettingBase sb; 4579 4580 synchronized (mPackages) { 4581 final PackageParser.Package pkg = mPackages.get(packageName); 4582 if (pkg == null) { 4583 throw new IllegalArgumentException("Unknown package: " + packageName); 4584 } 4585 4586 final BasePermission bp = mSettings.mPermissions.get(name); 4587 if (bp == null) { 4588 throw new IllegalArgumentException("Unknown permission: " + name); 4589 } 4590 4591 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4592 4593 // If a permission review is required for legacy apps we represent 4594 // their permissions as always granted runtime ones since we need 4595 // to keep the review required permission flag per user while an 4596 // install permission's state is shared across all users. 4597 if (mPermissionReviewRequired 4598 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4599 && bp.isRuntime()) { 4600 return; 4601 } 4602 4603 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4604 sb = (SettingBase) pkg.mExtras; 4605 if (sb == null) { 4606 throw new IllegalArgumentException("Unknown package: " + packageName); 4607 } 4608 4609 final PermissionsState permissionsState = sb.getPermissionsState(); 4610 4611 final int flags = permissionsState.getPermissionFlags(name, userId); 4612 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4613 throw new SecurityException("Cannot grant system fixed permission " 4614 + name + " for package " + packageName); 4615 } 4616 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4617 throw new SecurityException("Cannot grant policy fixed permission " 4618 + name + " for package " + packageName); 4619 } 4620 4621 if (bp.isDevelopment()) { 4622 // Development permissions must be handled specially, since they are not 4623 // normal runtime permissions. For now they apply to all users. 4624 if (permissionsState.grantInstallPermission(bp) != 4625 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4626 scheduleWriteSettingsLocked(); 4627 } 4628 return; 4629 } 4630 4631 if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { 4632 throw new SecurityException("Cannot grant non-ephemeral permission" 4633 + name + " for package " + packageName); 4634 } 4635 4636 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4637 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4638 return; 4639 } 4640 4641 final int result = permissionsState.grantRuntimePermission(bp, userId); 4642 switch (result) { 4643 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4644 return; 4645 } 4646 4647 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4648 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4649 mHandler.post(new Runnable() { 4650 @Override 4651 public void run() { 4652 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4653 } 4654 }); 4655 } 4656 break; 4657 } 4658 4659 if (bp.isRuntime()) { 4660 logPermissionGranted(mContext, name, packageName); 4661 } 4662 4663 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4664 4665 // Not critical if that is lost - app has to request again. 4666 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4667 } 4668 4669 // Only need to do this if user is initialized. Otherwise it's a new user 4670 // and there are no processes running as the user yet and there's no need 4671 // to make an expensive call to remount processes for the changed permissions. 4672 if (READ_EXTERNAL_STORAGE.equals(name) 4673 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4674 final long token = Binder.clearCallingIdentity(); 4675 try { 4676 if (sUserManager.isInitialized(userId)) { 4677 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4678 StorageManagerInternal.class); 4679 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4680 } 4681 } finally { 4682 Binder.restoreCallingIdentity(token); 4683 } 4684 } 4685 } 4686 4687 @Override 4688 public void revokeRuntimePermission(String packageName, String name, int userId) { 4689 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4690 } 4691 4692 private void revokeRuntimePermission(String packageName, String name, int userId, 4693 boolean overridePolicy) { 4694 if (!sUserManager.exists(userId)) { 4695 Log.e(TAG, "No such user:" + userId); 4696 return; 4697 } 4698 4699 mContext.enforceCallingOrSelfPermission( 4700 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4701 "revokeRuntimePermission"); 4702 4703 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4704 true /* requireFullPermission */, true /* checkShell */, 4705 "revokeRuntimePermission"); 4706 4707 final int appId; 4708 4709 synchronized (mPackages) { 4710 final PackageParser.Package pkg = mPackages.get(packageName); 4711 if (pkg == null) { 4712 throw new IllegalArgumentException("Unknown package: " + packageName); 4713 } 4714 4715 final BasePermission bp = mSettings.mPermissions.get(name); 4716 if (bp == null) { 4717 throw new IllegalArgumentException("Unknown permission: " + name); 4718 } 4719 4720 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4721 4722 // If a permission review is required for legacy apps we represent 4723 // their permissions as always granted runtime ones since we need 4724 // to keep the review required permission flag per user while an 4725 // install permission's state is shared across all users. 4726 if (mPermissionReviewRequired 4727 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4728 && bp.isRuntime()) { 4729 return; 4730 } 4731 4732 SettingBase sb = (SettingBase) pkg.mExtras; 4733 if (sb == null) { 4734 throw new IllegalArgumentException("Unknown package: " + packageName); 4735 } 4736 4737 final PermissionsState permissionsState = sb.getPermissionsState(); 4738 4739 final int flags = permissionsState.getPermissionFlags(name, userId); 4740 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4741 throw new SecurityException("Cannot revoke system fixed permission " 4742 + name + " for package " + packageName); 4743 } 4744 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4745 throw new SecurityException("Cannot revoke policy fixed permission " 4746 + name + " for package " + packageName); 4747 } 4748 4749 if (bp.isDevelopment()) { 4750 // Development permissions must be handled specially, since they are not 4751 // normal runtime permissions. For now they apply to all users. 4752 if (permissionsState.revokeInstallPermission(bp) != 4753 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4754 scheduleWriteSettingsLocked(); 4755 } 4756 return; 4757 } 4758 4759 if (permissionsState.revokeRuntimePermission(bp, userId) == 4760 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4761 return; 4762 } 4763 4764 if (bp.isRuntime()) { 4765 logPermissionRevoked(mContext, name, packageName); 4766 } 4767 4768 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4769 4770 // Critical, after this call app should never have the permission. 4771 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4772 4773 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4774 } 4775 4776 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4777 } 4778 4779 /** 4780 * Get the first event id for the permission. 4781 * 4782 * <p>There are four events for each permission: <ul> 4783 * <li>Request permission: first id + 0</li> 4784 * <li>Grant permission: first id + 1</li> 4785 * <li>Request for permission denied: first id + 2</li> 4786 * <li>Revoke permission: first id + 3</li> 4787 * </ul></p> 4788 * 4789 * @param name name of the permission 4790 * 4791 * @return The first event id for the permission 4792 */ 4793 private static int getBaseEventId(@NonNull String name) { 4794 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 4795 4796 if (eventIdIndex == -1) { 4797 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 4798 || "user".equals(Build.TYPE)) { 4799 Log.i(TAG, "Unknown permission " + name); 4800 4801 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 4802 } else { 4803 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 4804 // 4805 // Also update 4806 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 4807 // - metrics_constants.proto 4808 throw new IllegalStateException("Unknown permission " + name); 4809 } 4810 } 4811 4812 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 4813 } 4814 4815 /** 4816 * Log that a permission was revoked. 4817 * 4818 * @param context Context of the caller 4819 * @param name name of the permission 4820 * @param packageName package permission if for 4821 */ 4822 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 4823 @NonNull String packageName) { 4824 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 4825 } 4826 4827 /** 4828 * Log that a permission request was granted. 4829 * 4830 * @param context Context of the caller 4831 * @param name name of the permission 4832 * @param packageName package permission if for 4833 */ 4834 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 4835 @NonNull String packageName) { 4836 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 4837 } 4838 4839 @Override 4840 public void resetRuntimePermissions() { 4841 mContext.enforceCallingOrSelfPermission( 4842 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4843 "revokeRuntimePermission"); 4844 4845 int callingUid = Binder.getCallingUid(); 4846 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4847 mContext.enforceCallingOrSelfPermission( 4848 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4849 "resetRuntimePermissions"); 4850 } 4851 4852 synchronized (mPackages) { 4853 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4854 for (int userId : UserManagerService.getInstance().getUserIds()) { 4855 final int packageCount = mPackages.size(); 4856 for (int i = 0; i < packageCount; i++) { 4857 PackageParser.Package pkg = mPackages.valueAt(i); 4858 if (!(pkg.mExtras instanceof PackageSetting)) { 4859 continue; 4860 } 4861 PackageSetting ps = (PackageSetting) pkg.mExtras; 4862 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4863 } 4864 } 4865 } 4866 } 4867 4868 @Override 4869 public int getPermissionFlags(String name, String packageName, int userId) { 4870 if (!sUserManager.exists(userId)) { 4871 return 0; 4872 } 4873 4874 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4875 4876 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4877 true /* requireFullPermission */, false /* checkShell */, 4878 "getPermissionFlags"); 4879 4880 synchronized (mPackages) { 4881 final PackageParser.Package pkg = mPackages.get(packageName); 4882 if (pkg == null) { 4883 return 0; 4884 } 4885 4886 final BasePermission bp = mSettings.mPermissions.get(name); 4887 if (bp == null) { 4888 return 0; 4889 } 4890 4891 SettingBase sb = (SettingBase) pkg.mExtras; 4892 if (sb == null) { 4893 return 0; 4894 } 4895 4896 PermissionsState permissionsState = sb.getPermissionsState(); 4897 return permissionsState.getPermissionFlags(name, userId); 4898 } 4899 } 4900 4901 @Override 4902 public void updatePermissionFlags(String name, String packageName, int flagMask, 4903 int flagValues, int userId) { 4904 if (!sUserManager.exists(userId)) { 4905 return; 4906 } 4907 4908 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4909 4910 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4911 true /* requireFullPermission */, true /* checkShell */, 4912 "updatePermissionFlags"); 4913 4914 // Only the system can change these flags and nothing else. 4915 if (getCallingUid() != Process.SYSTEM_UID) { 4916 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4917 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4918 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4919 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4920 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4921 } 4922 4923 synchronized (mPackages) { 4924 final PackageParser.Package pkg = mPackages.get(packageName); 4925 if (pkg == null) { 4926 throw new IllegalArgumentException("Unknown package: " + packageName); 4927 } 4928 4929 final BasePermission bp = mSettings.mPermissions.get(name); 4930 if (bp == null) { 4931 throw new IllegalArgumentException("Unknown permission: " + name); 4932 } 4933 4934 SettingBase sb = (SettingBase) pkg.mExtras; 4935 if (sb == null) { 4936 throw new IllegalArgumentException("Unknown package: " + packageName); 4937 } 4938 4939 PermissionsState permissionsState = sb.getPermissionsState(); 4940 4941 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4942 4943 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4944 // Install and runtime permissions are stored in different places, 4945 // so figure out what permission changed and persist the change. 4946 if (permissionsState.getInstallPermissionState(name) != null) { 4947 scheduleWriteSettingsLocked(); 4948 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4949 || hadState) { 4950 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4951 } 4952 } 4953 } 4954 } 4955 4956 /** 4957 * Update the permission flags for all packages and runtime permissions of a user in order 4958 * to allow device or profile owner to remove POLICY_FIXED. 4959 */ 4960 @Override 4961 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4962 if (!sUserManager.exists(userId)) { 4963 return; 4964 } 4965 4966 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4967 4968 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4969 true /* requireFullPermission */, true /* checkShell */, 4970 "updatePermissionFlagsForAllApps"); 4971 4972 // Only the system can change system fixed flags. 4973 if (getCallingUid() != Process.SYSTEM_UID) { 4974 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4975 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4976 } 4977 4978 synchronized (mPackages) { 4979 boolean changed = false; 4980 final int packageCount = mPackages.size(); 4981 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4982 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4983 SettingBase sb = (SettingBase) pkg.mExtras; 4984 if (sb == null) { 4985 continue; 4986 } 4987 PermissionsState permissionsState = sb.getPermissionsState(); 4988 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4989 userId, flagMask, flagValues); 4990 } 4991 if (changed) { 4992 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4993 } 4994 } 4995 } 4996 4997 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4998 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4999 != PackageManager.PERMISSION_GRANTED 5000 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 5001 != PackageManager.PERMISSION_GRANTED) { 5002 throw new SecurityException(message + " requires " 5003 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 5004 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 5005 } 5006 } 5007 5008 @Override 5009 public boolean shouldShowRequestPermissionRationale(String permissionName, 5010 String packageName, int userId) { 5011 if (UserHandle.getCallingUserId() != userId) { 5012 mContext.enforceCallingPermission( 5013 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5014 "canShowRequestPermissionRationale for user " + userId); 5015 } 5016 5017 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5018 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5019 return false; 5020 } 5021 5022 if (checkPermission(permissionName, packageName, userId) 5023 == PackageManager.PERMISSION_GRANTED) { 5024 return false; 5025 } 5026 5027 final int flags; 5028 5029 final long identity = Binder.clearCallingIdentity(); 5030 try { 5031 flags = getPermissionFlags(permissionName, 5032 packageName, userId); 5033 } finally { 5034 Binder.restoreCallingIdentity(identity); 5035 } 5036 5037 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5038 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5039 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5040 5041 if ((flags & fixedFlags) != 0) { 5042 return false; 5043 } 5044 5045 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5046 } 5047 5048 @Override 5049 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5050 mContext.enforceCallingOrSelfPermission( 5051 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5052 "addOnPermissionsChangeListener"); 5053 5054 synchronized (mPackages) { 5055 mOnPermissionChangeListeners.addListenerLocked(listener); 5056 } 5057 } 5058 5059 @Override 5060 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5061 synchronized (mPackages) { 5062 mOnPermissionChangeListeners.removeListenerLocked(listener); 5063 } 5064 } 5065 5066 @Override 5067 public boolean isProtectedBroadcast(String actionName) { 5068 synchronized (mPackages) { 5069 if (mProtectedBroadcasts.contains(actionName)) { 5070 return true; 5071 } else if (actionName != null) { 5072 // TODO: remove these terrible hacks 5073 if (actionName.startsWith("android.net.netmon.lingerExpired") 5074 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5075 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5076 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5077 return true; 5078 } 5079 } 5080 } 5081 return false; 5082 } 5083 5084 @Override 5085 public int checkSignatures(String pkg1, String pkg2) { 5086 synchronized (mPackages) { 5087 final PackageParser.Package p1 = mPackages.get(pkg1); 5088 final PackageParser.Package p2 = mPackages.get(pkg2); 5089 if (p1 == null || p1.mExtras == null 5090 || p2 == null || p2.mExtras == null) { 5091 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5092 } 5093 return compareSignatures(p1.mSignatures, p2.mSignatures); 5094 } 5095 } 5096 5097 @Override 5098 public int checkUidSignatures(int uid1, int uid2) { 5099 // Map to base uids. 5100 uid1 = UserHandle.getAppId(uid1); 5101 uid2 = UserHandle.getAppId(uid2); 5102 // reader 5103 synchronized (mPackages) { 5104 Signature[] s1; 5105 Signature[] s2; 5106 Object obj = mSettings.getUserIdLPr(uid1); 5107 if (obj != null) { 5108 if (obj instanceof SharedUserSetting) { 5109 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5110 } else if (obj instanceof PackageSetting) { 5111 s1 = ((PackageSetting)obj).signatures.mSignatures; 5112 } else { 5113 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5114 } 5115 } else { 5116 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5117 } 5118 obj = mSettings.getUserIdLPr(uid2); 5119 if (obj != null) { 5120 if (obj instanceof SharedUserSetting) { 5121 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5122 } else if (obj instanceof PackageSetting) { 5123 s2 = ((PackageSetting)obj).signatures.mSignatures; 5124 } else { 5125 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5126 } 5127 } else { 5128 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5129 } 5130 return compareSignatures(s1, s2); 5131 } 5132 } 5133 5134 /** 5135 * This method should typically only be used when granting or revoking 5136 * permissions, since the app may immediately restart after this call. 5137 * <p> 5138 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5139 * guard your work against the app being relaunched. 5140 */ 5141 private void killUid(int appId, int userId, String reason) { 5142 final long identity = Binder.clearCallingIdentity(); 5143 try { 5144 IActivityManager am = ActivityManager.getService(); 5145 if (am != null) { 5146 try { 5147 am.killUid(appId, userId, reason); 5148 } catch (RemoteException e) { 5149 /* ignore - same process */ 5150 } 5151 } 5152 } finally { 5153 Binder.restoreCallingIdentity(identity); 5154 } 5155 } 5156 5157 /** 5158 * Compares two sets of signatures. Returns: 5159 * <br /> 5160 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 5161 * <br /> 5162 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 5163 * <br /> 5164 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 5165 * <br /> 5166 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 5167 * <br /> 5168 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 5169 */ 5170 static int compareSignatures(Signature[] s1, Signature[] s2) { 5171 if (s1 == null) { 5172 return s2 == null 5173 ? PackageManager.SIGNATURE_NEITHER_SIGNED 5174 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 5175 } 5176 5177 if (s2 == null) { 5178 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 5179 } 5180 5181 if (s1.length != s2.length) { 5182 return PackageManager.SIGNATURE_NO_MATCH; 5183 } 5184 5185 // Since both signature sets are of size 1, we can compare without HashSets. 5186 if (s1.length == 1) { 5187 return s1[0].equals(s2[0]) ? 5188 PackageManager.SIGNATURE_MATCH : 5189 PackageManager.SIGNATURE_NO_MATCH; 5190 } 5191 5192 ArraySet<Signature> set1 = new ArraySet<Signature>(); 5193 for (Signature sig : s1) { 5194 set1.add(sig); 5195 } 5196 ArraySet<Signature> set2 = new ArraySet<Signature>(); 5197 for (Signature sig : s2) { 5198 set2.add(sig); 5199 } 5200 // Make sure s2 contains all signatures in s1. 5201 if (set1.equals(set2)) { 5202 return PackageManager.SIGNATURE_MATCH; 5203 } 5204 return PackageManager.SIGNATURE_NO_MATCH; 5205 } 5206 5207 /** 5208 * If the database version for this type of package (internal storage or 5209 * external storage) is less than the version where package signatures 5210 * were updated, return true. 5211 */ 5212 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5213 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5214 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5215 } 5216 5217 /** 5218 * Used for backward compatibility to make sure any packages with 5219 * certificate chains get upgraded to the new style. {@code existingSigs} 5220 * will be in the old format (since they were stored on disk from before the 5221 * system upgrade) and {@code scannedSigs} will be in the newer format. 5222 */ 5223 private int compareSignaturesCompat(PackageSignatures existingSigs, 5224 PackageParser.Package scannedPkg) { 5225 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 5226 return PackageManager.SIGNATURE_NO_MATCH; 5227 } 5228 5229 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 5230 for (Signature sig : existingSigs.mSignatures) { 5231 existingSet.add(sig); 5232 } 5233 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 5234 for (Signature sig : scannedPkg.mSignatures) { 5235 try { 5236 Signature[] chainSignatures = sig.getChainSignatures(); 5237 for (Signature chainSig : chainSignatures) { 5238 scannedCompatSet.add(chainSig); 5239 } 5240 } catch (CertificateEncodingException e) { 5241 scannedCompatSet.add(sig); 5242 } 5243 } 5244 /* 5245 * Make sure the expanded scanned set contains all signatures in the 5246 * existing one. 5247 */ 5248 if (scannedCompatSet.equals(existingSet)) { 5249 // Migrate the old signatures to the new scheme. 5250 existingSigs.assignSignatures(scannedPkg.mSignatures); 5251 // The new KeySets will be re-added later in the scanning process. 5252 synchronized (mPackages) { 5253 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 5254 } 5255 return PackageManager.SIGNATURE_MATCH; 5256 } 5257 return PackageManager.SIGNATURE_NO_MATCH; 5258 } 5259 5260 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5261 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5262 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5263 } 5264 5265 private int compareSignaturesRecover(PackageSignatures existingSigs, 5266 PackageParser.Package scannedPkg) { 5267 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 5268 return PackageManager.SIGNATURE_NO_MATCH; 5269 } 5270 5271 String msg = null; 5272 try { 5273 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 5274 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 5275 + scannedPkg.packageName); 5276 return PackageManager.SIGNATURE_MATCH; 5277 } 5278 } catch (CertificateException e) { 5279 msg = e.getMessage(); 5280 } 5281 5282 logCriticalInfo(Log.INFO, 5283 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 5284 return PackageManager.SIGNATURE_NO_MATCH; 5285 } 5286 5287 @Override 5288 public List<String> getAllPackages() { 5289 synchronized (mPackages) { 5290 return new ArrayList<String>(mPackages.keySet()); 5291 } 5292 } 5293 5294 @Override 5295 public String[] getPackagesForUid(int uid) { 5296 final int userId = UserHandle.getUserId(uid); 5297 uid = UserHandle.getAppId(uid); 5298 // reader 5299 synchronized (mPackages) { 5300 Object obj = mSettings.getUserIdLPr(uid); 5301 if (obj instanceof SharedUserSetting) { 5302 final SharedUserSetting sus = (SharedUserSetting) obj; 5303 final int N = sus.packages.size(); 5304 String[] res = new String[N]; 5305 final Iterator<PackageSetting> it = sus.packages.iterator(); 5306 int i = 0; 5307 while (it.hasNext()) { 5308 PackageSetting ps = it.next(); 5309 if (ps.getInstalled(userId)) { 5310 res[i++] = ps.name; 5311 } else { 5312 res = ArrayUtils.removeElement(String.class, res, res[i]); 5313 } 5314 } 5315 return res; 5316 } else if (obj instanceof PackageSetting) { 5317 final PackageSetting ps = (PackageSetting) obj; 5318 if (ps.getInstalled(userId)) { 5319 return new String[]{ps.name}; 5320 } 5321 } 5322 } 5323 return null; 5324 } 5325 5326 @Override 5327 public String getNameForUid(int uid) { 5328 // reader 5329 synchronized (mPackages) { 5330 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5331 if (obj instanceof SharedUserSetting) { 5332 final SharedUserSetting sus = (SharedUserSetting) obj; 5333 return sus.name + ":" + sus.userId; 5334 } else if (obj instanceof PackageSetting) { 5335 final PackageSetting ps = (PackageSetting) obj; 5336 return ps.name; 5337 } 5338 } 5339 return null; 5340 } 5341 5342 @Override 5343 public int getUidForSharedUser(String sharedUserName) { 5344 if(sharedUserName == null) { 5345 return -1; 5346 } 5347 // reader 5348 synchronized (mPackages) { 5349 SharedUserSetting suid; 5350 try { 5351 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5352 if (suid != null) { 5353 return suid.userId; 5354 } 5355 } catch (PackageManagerException ignore) { 5356 // can't happen, but, still need to catch it 5357 } 5358 return -1; 5359 } 5360 } 5361 5362 @Override 5363 public int getFlagsForUid(int uid) { 5364 synchronized (mPackages) { 5365 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5366 if (obj instanceof SharedUserSetting) { 5367 final SharedUserSetting sus = (SharedUserSetting) obj; 5368 return sus.pkgFlags; 5369 } else if (obj instanceof PackageSetting) { 5370 final PackageSetting ps = (PackageSetting) obj; 5371 return ps.pkgFlags; 5372 } 5373 } 5374 return 0; 5375 } 5376 5377 @Override 5378 public int getPrivateFlagsForUid(int uid) { 5379 synchronized (mPackages) { 5380 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5381 if (obj instanceof SharedUserSetting) { 5382 final SharedUserSetting sus = (SharedUserSetting) obj; 5383 return sus.pkgPrivateFlags; 5384 } else if (obj instanceof PackageSetting) { 5385 final PackageSetting ps = (PackageSetting) obj; 5386 return ps.pkgPrivateFlags; 5387 } 5388 } 5389 return 0; 5390 } 5391 5392 @Override 5393 public boolean isUidPrivileged(int uid) { 5394 uid = UserHandle.getAppId(uid); 5395 // reader 5396 synchronized (mPackages) { 5397 Object obj = mSettings.getUserIdLPr(uid); 5398 if (obj instanceof SharedUserSetting) { 5399 final SharedUserSetting sus = (SharedUserSetting) obj; 5400 final Iterator<PackageSetting> it = sus.packages.iterator(); 5401 while (it.hasNext()) { 5402 if (it.next().isPrivileged()) { 5403 return true; 5404 } 5405 } 5406 } else if (obj instanceof PackageSetting) { 5407 final PackageSetting ps = (PackageSetting) obj; 5408 return ps.isPrivileged(); 5409 } 5410 } 5411 return false; 5412 } 5413 5414 @Override 5415 public String[] getAppOpPermissionPackages(String permissionName) { 5416 synchronized (mPackages) { 5417 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 5418 if (pkgs == null) { 5419 return null; 5420 } 5421 return pkgs.toArray(new String[pkgs.size()]); 5422 } 5423 } 5424 5425 @Override 5426 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5427 int flags, int userId) { 5428 try { 5429 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5430 5431 if (!sUserManager.exists(userId)) return null; 5432 flags = updateFlagsForResolve(flags, userId, intent); 5433 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5434 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5435 5436 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5437 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5438 flags, userId); 5439 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5440 5441 final ResolveInfo bestChoice = 5442 chooseBestActivity(intent, resolvedType, flags, query, userId); 5443 return bestChoice; 5444 } finally { 5445 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5446 } 5447 } 5448 5449 @Override 5450 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5451 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5452 throw new SecurityException( 5453 "findPersistentPreferredActivity can only be run by the system"); 5454 } 5455 if (!sUserManager.exists(userId)) { 5456 return null; 5457 } 5458 intent = updateIntentForResolve(intent); 5459 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5460 final int flags = updateFlagsForResolve(0, userId, intent); 5461 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5462 userId); 5463 synchronized (mPackages) { 5464 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5465 userId); 5466 } 5467 } 5468 5469 @Override 5470 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5471 IntentFilter filter, int match, ComponentName activity) { 5472 final int userId = UserHandle.getCallingUserId(); 5473 if (DEBUG_PREFERRED) { 5474 Log.v(TAG, "setLastChosenActivity intent=" + intent 5475 + " resolvedType=" + resolvedType 5476 + " flags=" + flags 5477 + " filter=" + filter 5478 + " match=" + match 5479 + " activity=" + activity); 5480 filter.dump(new PrintStreamPrinter(System.out), " "); 5481 } 5482 intent.setComponent(null); 5483 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5484 userId); 5485 // Find any earlier preferred or last chosen entries and nuke them 5486 findPreferredActivity(intent, resolvedType, 5487 flags, query, 0, false, true, false, userId); 5488 // Add the new activity as the last chosen for this filter 5489 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5490 "Setting last chosen"); 5491 } 5492 5493 @Override 5494 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5495 final int userId = UserHandle.getCallingUserId(); 5496 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5497 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5498 userId); 5499 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5500 false, false, false, userId); 5501 } 5502 5503 private boolean isEphemeralDisabled() { 5504 // ephemeral apps have been disabled across the board 5505 if (DISABLE_EPHEMERAL_APPS) { 5506 return true; 5507 } 5508 // system isn't up yet; can't read settings, so, assume no ephemeral apps 5509 if (!mSystemReady) { 5510 return true; 5511 } 5512 // we can't get a content resolver until the system is ready; these checks must happen last 5513 final ContentResolver resolver = mContext.getContentResolver(); 5514 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 5515 return true; 5516 } 5517 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 5518 } 5519 5520 private boolean isEphemeralAllowed( 5521 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5522 boolean skipPackageCheck) { 5523 // Short circuit and return early if possible. 5524 if (isEphemeralDisabled()) { 5525 return false; 5526 } 5527 final int callingUser = UserHandle.getCallingUserId(); 5528 if (callingUser != UserHandle.USER_SYSTEM) { 5529 return false; 5530 } 5531 if (mEphemeralResolverConnection == null) { 5532 return false; 5533 } 5534 if (mEphemeralInstallerComponent == null) { 5535 return false; 5536 } 5537 if (intent.getComponent() != null) { 5538 return false; 5539 } 5540 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5541 return false; 5542 } 5543 if (!skipPackageCheck && intent.getPackage() != null) { 5544 return false; 5545 } 5546 final boolean isWebUri = hasWebURI(intent); 5547 if (!isWebUri || intent.getData().getHost() == null) { 5548 return false; 5549 } 5550 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5551 synchronized (mPackages) { 5552 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5553 for (int n = 0; n < count; n++) { 5554 ResolveInfo info = resolvedActivities.get(n); 5555 String packageName = info.activityInfo.packageName; 5556 PackageSetting ps = mSettings.mPackages.get(packageName); 5557 if (ps != null) { 5558 // Try to get the status from User settings first 5559 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5560 int status = (int) (packedStatus >> 32); 5561 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5562 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5563 if (DEBUG_EPHEMERAL) { 5564 Slog.v(TAG, "DENY ephemeral apps;" 5565 + " pkg: " + packageName + ", status: " + status); 5566 } 5567 return false; 5568 } 5569 } 5570 } 5571 } 5572 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5573 return true; 5574 } 5575 5576 private void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 5577 Intent origIntent, String resolvedType, Intent launchIntent, String callingPackage, 5578 int userId) { 5579 final Message msg = mHandler.obtainMessage(EPHEMERAL_RESOLUTION_PHASE_TWO, 5580 new EphemeralRequest(responseObj, origIntent, resolvedType, launchIntent, 5581 callingPackage, userId)); 5582 mHandler.sendMessage(msg); 5583 } 5584 5585 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5586 int flags, List<ResolveInfo> query, int userId) { 5587 if (query != null) { 5588 final int N = query.size(); 5589 if (N == 1) { 5590 return query.get(0); 5591 } else if (N > 1) { 5592 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5593 // If there is more than one activity with the same priority, 5594 // then let the user decide between them. 5595 ResolveInfo r0 = query.get(0); 5596 ResolveInfo r1 = query.get(1); 5597 if (DEBUG_INTENT_MATCHING || debug) { 5598 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5599 + r1.activityInfo.name + "=" + r1.priority); 5600 } 5601 // If the first activity has a higher priority, or a different 5602 // default, then it is always desirable to pick it. 5603 if (r0.priority != r1.priority 5604 || r0.preferredOrder != r1.preferredOrder 5605 || r0.isDefault != r1.isDefault) { 5606 return query.get(0); 5607 } 5608 // If we have saved a preference for a preferred activity for 5609 // this Intent, use that. 5610 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5611 flags, query, r0.priority, true, false, debug, userId); 5612 if (ri != null) { 5613 return ri; 5614 } 5615 ri = new ResolveInfo(mResolveInfo); 5616 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5617 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5618 // If all of the options come from the same package, show the application's 5619 // label and icon instead of the generic resolver's. 5620 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5621 // and then throw away the ResolveInfo itself, meaning that the caller loses 5622 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5623 // a fallback for this case; we only set the target package's resources on 5624 // the ResolveInfo, not the ActivityInfo. 5625 final String intentPackage = intent.getPackage(); 5626 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5627 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5628 ri.resolvePackageName = intentPackage; 5629 if (userNeedsBadging(userId)) { 5630 ri.noResourceId = true; 5631 } else { 5632 ri.icon = appi.icon; 5633 } 5634 ri.iconResourceId = appi.icon; 5635 ri.labelRes = appi.labelRes; 5636 } 5637 ri.activityInfo.applicationInfo = new ApplicationInfo( 5638 ri.activityInfo.applicationInfo); 5639 if (userId != 0) { 5640 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5641 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5642 } 5643 // Make sure that the resolver is displayable in car mode 5644 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5645 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5646 return ri; 5647 } 5648 } 5649 return null; 5650 } 5651 5652 /** 5653 * Return true if the given list is not empty and all of its contents have 5654 * an activityInfo with the given package name. 5655 */ 5656 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5657 if (ArrayUtils.isEmpty(list)) { 5658 return false; 5659 } 5660 for (int i = 0, N = list.size(); i < N; i++) { 5661 final ResolveInfo ri = list.get(i); 5662 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5663 if (ai == null || !packageName.equals(ai.packageName)) { 5664 return false; 5665 } 5666 } 5667 return true; 5668 } 5669 5670 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5671 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5672 final int N = query.size(); 5673 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5674 .get(userId); 5675 // Get the list of persistent preferred activities that handle the intent 5676 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5677 List<PersistentPreferredActivity> pprefs = ppir != null 5678 ? ppir.queryIntent(intent, resolvedType, 5679 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5680 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 5681 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId) 5682 : null; 5683 if (pprefs != null && pprefs.size() > 0) { 5684 final int M = pprefs.size(); 5685 for (int i=0; i<M; i++) { 5686 final PersistentPreferredActivity ppa = pprefs.get(i); 5687 if (DEBUG_PREFERRED || debug) { 5688 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5689 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5690 + "\n component=" + ppa.mComponent); 5691 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5692 } 5693 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5694 flags | MATCH_DISABLED_COMPONENTS, userId); 5695 if (DEBUG_PREFERRED || debug) { 5696 Slog.v(TAG, "Found persistent preferred activity:"); 5697 if (ai != null) { 5698 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5699 } else { 5700 Slog.v(TAG, " null"); 5701 } 5702 } 5703 if (ai == null) { 5704 // This previously registered persistent preferred activity 5705 // component is no longer known. Ignore it and do NOT remove it. 5706 continue; 5707 } 5708 for (int j=0; j<N; j++) { 5709 final ResolveInfo ri = query.get(j); 5710 if (!ri.activityInfo.applicationInfo.packageName 5711 .equals(ai.applicationInfo.packageName)) { 5712 continue; 5713 } 5714 if (!ri.activityInfo.name.equals(ai.name)) { 5715 continue; 5716 } 5717 // Found a persistent preference that can handle the intent. 5718 if (DEBUG_PREFERRED || debug) { 5719 Slog.v(TAG, "Returning persistent preferred activity: " + 5720 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5721 } 5722 return ri; 5723 } 5724 } 5725 } 5726 return null; 5727 } 5728 5729 // TODO: handle preferred activities missing while user has amnesia 5730 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5731 List<ResolveInfo> query, int priority, boolean always, 5732 boolean removeMatches, boolean debug, int userId) { 5733 if (!sUserManager.exists(userId)) return null; 5734 flags = updateFlagsForResolve(flags, userId, intent); 5735 intent = updateIntentForResolve(intent); 5736 // writer 5737 synchronized (mPackages) { 5738 // Try to find a matching persistent preferred activity. 5739 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5740 debug, userId); 5741 5742 // If a persistent preferred activity matched, use it. 5743 if (pri != null) { 5744 return pri; 5745 } 5746 5747 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5748 // Get the list of preferred activities that handle the intent 5749 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5750 List<PreferredActivity> prefs = pir != null 5751 ? pir.queryIntent(intent, resolvedType, 5752 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5753 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 5754 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId) 5755 : null; 5756 if (prefs != null && prefs.size() > 0) { 5757 boolean changed = false; 5758 try { 5759 // First figure out how good the original match set is. 5760 // We will only allow preferred activities that came 5761 // from the same match quality. 5762 int match = 0; 5763 5764 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5765 5766 final int N = query.size(); 5767 for (int j=0; j<N; j++) { 5768 final ResolveInfo ri = query.get(j); 5769 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5770 + ": 0x" + Integer.toHexString(match)); 5771 if (ri.match > match) { 5772 match = ri.match; 5773 } 5774 } 5775 5776 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5777 + Integer.toHexString(match)); 5778 5779 match &= IntentFilter.MATCH_CATEGORY_MASK; 5780 final int M = prefs.size(); 5781 for (int i=0; i<M; i++) { 5782 final PreferredActivity pa = prefs.get(i); 5783 if (DEBUG_PREFERRED || debug) { 5784 Slog.v(TAG, "Checking PreferredActivity ds=" 5785 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5786 + "\n component=" + pa.mPref.mComponent); 5787 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5788 } 5789 if (pa.mPref.mMatch != match) { 5790 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5791 + Integer.toHexString(pa.mPref.mMatch)); 5792 continue; 5793 } 5794 // If it's not an "always" type preferred activity and that's what we're 5795 // looking for, skip it. 5796 if (always && !pa.mPref.mAlways) { 5797 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5798 continue; 5799 } 5800 final ActivityInfo ai = getActivityInfo( 5801 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5802 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5803 userId); 5804 if (DEBUG_PREFERRED || debug) { 5805 Slog.v(TAG, "Found preferred activity:"); 5806 if (ai != null) { 5807 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5808 } else { 5809 Slog.v(TAG, " null"); 5810 } 5811 } 5812 if (ai == null) { 5813 // This previously registered preferred activity 5814 // component is no longer known. Most likely an update 5815 // to the app was installed and in the new version this 5816 // component no longer exists. Clean it up by removing 5817 // it from the preferred activities list, and skip it. 5818 Slog.w(TAG, "Removing dangling preferred activity: " 5819 + pa.mPref.mComponent); 5820 pir.removeFilter(pa); 5821 changed = true; 5822 continue; 5823 } 5824 for (int j=0; j<N; j++) { 5825 final ResolveInfo ri = query.get(j); 5826 if (!ri.activityInfo.applicationInfo.packageName 5827 .equals(ai.applicationInfo.packageName)) { 5828 continue; 5829 } 5830 if (!ri.activityInfo.name.equals(ai.name)) { 5831 continue; 5832 } 5833 5834 if (removeMatches) { 5835 pir.removeFilter(pa); 5836 changed = true; 5837 if (DEBUG_PREFERRED) { 5838 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5839 } 5840 break; 5841 } 5842 5843 // Okay we found a previously set preferred or last chosen app. 5844 // If the result set is different from when this 5845 // was created, we need to clear it and re-ask the 5846 // user their preference, if we're looking for an "always" type entry. 5847 if (always && !pa.mPref.sameSet(query)) { 5848 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5849 + intent + " type " + resolvedType); 5850 if (DEBUG_PREFERRED) { 5851 Slog.v(TAG, "Removing preferred activity since set changed " 5852 + pa.mPref.mComponent); 5853 } 5854 pir.removeFilter(pa); 5855 // Re-add the filter as a "last chosen" entry (!always) 5856 PreferredActivity lastChosen = new PreferredActivity( 5857 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5858 pir.addFilter(lastChosen); 5859 changed = true; 5860 return null; 5861 } 5862 5863 // Yay! Either the set matched or we're looking for the last chosen 5864 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5865 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5866 return ri; 5867 } 5868 } 5869 } finally { 5870 if (changed) { 5871 if (DEBUG_PREFERRED) { 5872 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5873 } 5874 scheduleWritePackageRestrictionsLocked(userId); 5875 } 5876 } 5877 } 5878 } 5879 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5880 return null; 5881 } 5882 5883 /* 5884 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5885 */ 5886 @Override 5887 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5888 int targetUserId) { 5889 mContext.enforceCallingOrSelfPermission( 5890 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5891 List<CrossProfileIntentFilter> matches = 5892 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5893 if (matches != null) { 5894 int size = matches.size(); 5895 for (int i = 0; i < size; i++) { 5896 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5897 } 5898 } 5899 if (hasWebURI(intent)) { 5900 // cross-profile app linking works only towards the parent. 5901 final UserInfo parent = getProfileParent(sourceUserId); 5902 synchronized(mPackages) { 5903 int flags = updateFlagsForResolve(0, parent.id, intent); 5904 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5905 intent, resolvedType, flags, sourceUserId, parent.id); 5906 return xpDomainInfo != null; 5907 } 5908 } 5909 return false; 5910 } 5911 5912 private UserInfo getProfileParent(int userId) { 5913 final long identity = Binder.clearCallingIdentity(); 5914 try { 5915 return sUserManager.getProfileParent(userId); 5916 } finally { 5917 Binder.restoreCallingIdentity(identity); 5918 } 5919 } 5920 5921 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5922 String resolvedType, int userId) { 5923 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5924 if (resolver != null) { 5925 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, 5926 false /*visibleToEphemeral*/, false /*isInstant*/, userId); 5927 } 5928 return null; 5929 } 5930 5931 @Override 5932 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5933 String resolvedType, int flags, int userId) { 5934 try { 5935 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5936 5937 return new ParceledListSlice<>( 5938 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5939 } finally { 5940 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5941 } 5942 } 5943 5944 /** 5945 * Returns the package name of the calling Uid if it's an ephemeral app. If it isn't 5946 * ephemeral, returns {@code null}. 5947 */ 5948 private String getEphemeralPackageName(int callingUid) { 5949 final int appId = UserHandle.getAppId(callingUid); 5950 synchronized (mPackages) { 5951 final Object obj = mSettings.getUserIdLPr(appId); 5952 if (obj instanceof PackageSetting) { 5953 final PackageSetting ps = (PackageSetting) obj; 5954 return ps.pkg.applicationInfo.isInstantApp() ? ps.pkg.packageName : null; 5955 } 5956 } 5957 return null; 5958 } 5959 5960 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5961 String resolvedType, int flags, int userId) { 5962 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5963 final String ephemeralPkgName = getEphemeralPackageName(Binder.getCallingUid()); 5964 flags = updateFlagsForResolve(flags, userId, intent); 5965 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5966 false /* requireFullPermission */, false /* checkShell */, 5967 "query intent activities"); 5968 ComponentName comp = intent.getComponent(); 5969 if (comp == null) { 5970 if (intent.getSelector() != null) { 5971 intent = intent.getSelector(); 5972 comp = intent.getComponent(); 5973 } 5974 } 5975 5976 if (comp != null) { 5977 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5978 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5979 if (ai != null) { 5980 // When specifying an explicit component, we prevent the activity from being 5981 // used when either 1) the calling package is normal and the activity is within 5982 // an ephemeral application or 2) the calling package is ephemeral and the 5983 // activity is not visible to ephemeral applications. 5984 boolean matchEphemeral = 5985 (flags & PackageManager.MATCH_EPHEMERAL) != 0; 5986 boolean ephemeralVisibleOnly = 5987 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 5988 boolean blockResolution = 5989 (!matchEphemeral && ephemeralPkgName == null 5990 && (ai.applicationInfo.privateFlags 5991 & ApplicationInfo.PRIVATE_FLAG_EPHEMERAL) != 0) 5992 || (ephemeralVisibleOnly && ephemeralPkgName != null 5993 && (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0); 5994 if (!blockResolution) { 5995 final ResolveInfo ri = new ResolveInfo(); 5996 ri.activityInfo = ai; 5997 list.add(ri); 5998 } 5999 } 6000 return list; 6001 } 6002 6003 // reader 6004 boolean sortResult = false; 6005 boolean addEphemeral = false; 6006 List<ResolveInfo> result; 6007 final String pkgName = intent.getPackage(); 6008 synchronized (mPackages) { 6009 if (pkgName == null) { 6010 List<CrossProfileIntentFilter> matchingFilters = 6011 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6012 // Check for results that need to skip the current profile. 6013 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6014 resolvedType, flags, userId); 6015 if (xpResolveInfo != null) { 6016 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6017 xpResult.add(xpResolveInfo); 6018 return filterForEphemeral( 6019 filterIfNotSystemUser(xpResult, userId), ephemeralPkgName); 6020 } 6021 6022 // Check for results in the current profile. 6023 result = filterIfNotSystemUser(mActivities.queryIntent( 6024 intent, resolvedType, flags, userId), userId); 6025 addEphemeral = 6026 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 6027 6028 // Check for cross profile results. 6029 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6030 xpResolveInfo = queryCrossProfileIntents( 6031 matchingFilters, intent, resolvedType, flags, userId, 6032 hasNonNegativePriorityResult); 6033 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6034 boolean isVisibleToUser = filterIfNotSystemUser( 6035 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6036 if (isVisibleToUser) { 6037 result.add(xpResolveInfo); 6038 sortResult = true; 6039 } 6040 } 6041 if (hasWebURI(intent)) { 6042 CrossProfileDomainInfo xpDomainInfo = null; 6043 final UserInfo parent = getProfileParent(userId); 6044 if (parent != null) { 6045 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6046 flags, userId, parent.id); 6047 } 6048 if (xpDomainInfo != null) { 6049 if (xpResolveInfo != null) { 6050 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6051 // in the result. 6052 result.remove(xpResolveInfo); 6053 } 6054 if (result.size() == 0 && !addEphemeral) { 6055 // No result in current profile, but found candidate in parent user. 6056 // And we are not going to add emphemeral app, so we can return the 6057 // result straight away. 6058 result.add(xpDomainInfo.resolveInfo); 6059 return filterForEphemeral(result, ephemeralPkgName); 6060 } 6061 } else if (result.size() <= 1 && !addEphemeral) { 6062 // No result in parent user and <= 1 result in current profile, and we 6063 // are not going to add emphemeral app, so we can return the result without 6064 // further processing. 6065 return filterForEphemeral(result, ephemeralPkgName); 6066 } 6067 // We have more than one candidate (combining results from current and parent 6068 // profile), so we need filtering and sorting. 6069 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6070 intent, flags, result, xpDomainInfo, userId); 6071 sortResult = true; 6072 } 6073 } else { 6074 final PackageParser.Package pkg = mPackages.get(pkgName); 6075 if (pkg != null) { 6076 result = filterForEphemeral(filterIfNotSystemUser( 6077 mActivities.queryIntentForPackage( 6078 intent, resolvedType, flags, pkg.activities, userId), 6079 userId), ephemeralPkgName); 6080 } else { 6081 // the caller wants to resolve for a particular package; however, there 6082 // were no installed results, so, try to find an ephemeral result 6083 addEphemeral = isEphemeralAllowed( 6084 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6085 result = new ArrayList<ResolveInfo>(); 6086 } 6087 } 6088 } 6089 if (addEphemeral) { 6090 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6091 final EphemeralRequest requestObject = new EphemeralRequest( 6092 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6093 null /*launchIntent*/, null /*callingPackage*/, userId); 6094 final EphemeralResponse intentInfo = EphemeralResolver.doEphemeralResolutionPhaseOne( 6095 mContext, mEphemeralResolverConnection, requestObject); 6096 if (intentInfo != null) { 6097 if (DEBUG_EPHEMERAL) { 6098 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6099 } 6100 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 6101 ephemeralInstaller.ephemeralResponse = intentInfo; 6102 // make sure this resolver is the default 6103 ephemeralInstaller.isDefault = true; 6104 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6105 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6106 // add a non-generic filter 6107 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6108 ephemeralInstaller.filter.addDataPath( 6109 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6110 result.add(ephemeralInstaller); 6111 } 6112 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6113 } 6114 if (sortResult) { 6115 Collections.sort(result, mResolvePrioritySorter); 6116 } 6117 return filterForEphemeral(result, ephemeralPkgName); 6118 } 6119 6120 private static class CrossProfileDomainInfo { 6121 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6122 ResolveInfo resolveInfo; 6123 /* Best domain verification status of the activities found in the other profile */ 6124 int bestDomainVerificationStatus; 6125 } 6126 6127 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6128 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6129 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6130 sourceUserId)) { 6131 return null; 6132 } 6133 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6134 resolvedType, flags, parentUserId); 6135 6136 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6137 return null; 6138 } 6139 CrossProfileDomainInfo result = null; 6140 int size = resultTargetUser.size(); 6141 for (int i = 0; i < size; i++) { 6142 ResolveInfo riTargetUser = resultTargetUser.get(i); 6143 // Intent filter verification is only for filters that specify a host. So don't return 6144 // those that handle all web uris. 6145 if (riTargetUser.handleAllWebDataURI) { 6146 continue; 6147 } 6148 String packageName = riTargetUser.activityInfo.packageName; 6149 PackageSetting ps = mSettings.mPackages.get(packageName); 6150 if (ps == null) { 6151 continue; 6152 } 6153 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6154 int status = (int)(verificationState >> 32); 6155 if (result == null) { 6156 result = new CrossProfileDomainInfo(); 6157 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6158 sourceUserId, parentUserId); 6159 result.bestDomainVerificationStatus = status; 6160 } else { 6161 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6162 result.bestDomainVerificationStatus); 6163 } 6164 } 6165 // Don't consider matches with status NEVER across profiles. 6166 if (result != null && result.bestDomainVerificationStatus 6167 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6168 return null; 6169 } 6170 return result; 6171 } 6172 6173 /** 6174 * Verification statuses are ordered from the worse to the best, except for 6175 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6176 */ 6177 private int bestDomainVerificationStatus(int status1, int status2) { 6178 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6179 return status2; 6180 } 6181 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6182 return status1; 6183 } 6184 return (int) MathUtils.max(status1, status2); 6185 } 6186 6187 private boolean isUserEnabled(int userId) { 6188 long callingId = Binder.clearCallingIdentity(); 6189 try { 6190 UserInfo userInfo = sUserManager.getUserInfo(userId); 6191 return userInfo != null && userInfo.isEnabled(); 6192 } finally { 6193 Binder.restoreCallingIdentity(callingId); 6194 } 6195 } 6196 6197 /** 6198 * Filter out activities with systemUserOnly flag set, when current user is not System. 6199 * 6200 * @return filtered list 6201 */ 6202 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6203 if (userId == UserHandle.USER_SYSTEM) { 6204 return resolveInfos; 6205 } 6206 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6207 ResolveInfo info = resolveInfos.get(i); 6208 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6209 resolveInfos.remove(i); 6210 } 6211 } 6212 return resolveInfos; 6213 } 6214 6215 /** 6216 * Filters out ephemeral activities. 6217 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6218 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6219 * 6220 * @param resolveInfos The pre-filtered list of resolved activities 6221 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6222 * is performed. 6223 * @return A filtered list of resolved activities. 6224 */ 6225 private List<ResolveInfo> filterForEphemeral(List<ResolveInfo> resolveInfos, 6226 String ephemeralPkgName) { 6227 if (ephemeralPkgName == null) { 6228 return resolveInfos; 6229 } 6230 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6231 ResolveInfo info = resolveInfos.get(i); 6232 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6233 // allow activities that are defined in the provided package 6234 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 6235 continue; 6236 } 6237 // allow activities that have been explicitly exposed to ephemeral apps 6238 if (!isEphemeralApp 6239 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 6240 continue; 6241 } 6242 resolveInfos.remove(i); 6243 } 6244 return resolveInfos; 6245 } 6246 6247 /** 6248 * @param resolveInfos list of resolve infos in descending priority order 6249 * @return if the list contains a resolve info with non-negative priority 6250 */ 6251 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6252 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6253 } 6254 6255 private static boolean hasWebURI(Intent intent) { 6256 if (intent.getData() == null) { 6257 return false; 6258 } 6259 final String scheme = intent.getScheme(); 6260 if (TextUtils.isEmpty(scheme)) { 6261 return false; 6262 } 6263 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6264 } 6265 6266 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6267 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6268 int userId) { 6269 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6270 6271 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6272 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6273 candidates.size()); 6274 } 6275 6276 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6277 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6278 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6279 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6280 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6281 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6282 6283 synchronized (mPackages) { 6284 final int count = candidates.size(); 6285 // First, try to use linked apps. Partition the candidates into four lists: 6286 // one for the final results, one for the "do not use ever", one for "undefined status" 6287 // and finally one for "browser app type". 6288 for (int n=0; n<count; n++) { 6289 ResolveInfo info = candidates.get(n); 6290 String packageName = info.activityInfo.packageName; 6291 PackageSetting ps = mSettings.mPackages.get(packageName); 6292 if (ps != null) { 6293 // Add to the special match all list (Browser use case) 6294 if (info.handleAllWebDataURI) { 6295 matchAllList.add(info); 6296 continue; 6297 } 6298 // Try to get the status from User settings first 6299 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6300 int status = (int)(packedStatus >> 32); 6301 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6302 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6303 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6304 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6305 + " : linkgen=" + linkGeneration); 6306 } 6307 // Use link-enabled generation as preferredOrder, i.e. 6308 // prefer newly-enabled over earlier-enabled. 6309 info.preferredOrder = linkGeneration; 6310 alwaysList.add(info); 6311 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6312 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6313 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6314 } 6315 neverList.add(info); 6316 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6317 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6318 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6319 } 6320 alwaysAskList.add(info); 6321 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6322 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6323 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6324 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6325 } 6326 undefinedList.add(info); 6327 } 6328 } 6329 } 6330 6331 // We'll want to include browser possibilities in a few cases 6332 boolean includeBrowser = false; 6333 6334 // First try to add the "always" resolution(s) for the current user, if any 6335 if (alwaysList.size() > 0) { 6336 result.addAll(alwaysList); 6337 } else { 6338 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6339 result.addAll(undefinedList); 6340 // Maybe add one for the other profile. 6341 if (xpDomainInfo != null && ( 6342 xpDomainInfo.bestDomainVerificationStatus 6343 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6344 result.add(xpDomainInfo.resolveInfo); 6345 } 6346 includeBrowser = true; 6347 } 6348 6349 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6350 // If there were 'always' entries their preferred order has been set, so we also 6351 // back that off to make the alternatives equivalent 6352 if (alwaysAskList.size() > 0) { 6353 for (ResolveInfo i : result) { 6354 i.preferredOrder = 0; 6355 } 6356 result.addAll(alwaysAskList); 6357 includeBrowser = true; 6358 } 6359 6360 if (includeBrowser) { 6361 // Also add browsers (all of them or only the default one) 6362 if (DEBUG_DOMAIN_VERIFICATION) { 6363 Slog.v(TAG, " ...including browsers in candidate set"); 6364 } 6365 if ((matchFlags & MATCH_ALL) != 0) { 6366 result.addAll(matchAllList); 6367 } else { 6368 // Browser/generic handling case. If there's a default browser, go straight 6369 // to that (but only if there is no other higher-priority match). 6370 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6371 int maxMatchPrio = 0; 6372 ResolveInfo defaultBrowserMatch = null; 6373 final int numCandidates = matchAllList.size(); 6374 for (int n = 0; n < numCandidates; n++) { 6375 ResolveInfo info = matchAllList.get(n); 6376 // track the highest overall match priority... 6377 if (info.priority > maxMatchPrio) { 6378 maxMatchPrio = info.priority; 6379 } 6380 // ...and the highest-priority default browser match 6381 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6382 if (defaultBrowserMatch == null 6383 || (defaultBrowserMatch.priority < info.priority)) { 6384 if (debug) { 6385 Slog.v(TAG, "Considering default browser match " + info); 6386 } 6387 defaultBrowserMatch = info; 6388 } 6389 } 6390 } 6391 if (defaultBrowserMatch != null 6392 && defaultBrowserMatch.priority >= maxMatchPrio 6393 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6394 { 6395 if (debug) { 6396 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6397 } 6398 result.add(defaultBrowserMatch); 6399 } else { 6400 result.addAll(matchAllList); 6401 } 6402 } 6403 6404 // If there is nothing selected, add all candidates and remove the ones that the user 6405 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6406 if (result.size() == 0) { 6407 result.addAll(candidates); 6408 result.removeAll(neverList); 6409 } 6410 } 6411 } 6412 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6413 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6414 result.size()); 6415 for (ResolveInfo info : result) { 6416 Slog.v(TAG, " + " + info.activityInfo); 6417 } 6418 } 6419 return result; 6420 } 6421 6422 // Returns a packed value as a long: 6423 // 6424 // high 'int'-sized word: link status: undefined/ask/never/always. 6425 // low 'int'-sized word: relative priority among 'always' results. 6426 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6427 long result = ps.getDomainVerificationStatusForUser(userId); 6428 // if none available, get the master status 6429 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6430 if (ps.getIntentFilterVerificationInfo() != null) { 6431 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6432 } 6433 } 6434 return result; 6435 } 6436 6437 private ResolveInfo querySkipCurrentProfileIntents( 6438 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6439 int flags, int sourceUserId) { 6440 if (matchingFilters != null) { 6441 int size = matchingFilters.size(); 6442 for (int i = 0; i < size; i ++) { 6443 CrossProfileIntentFilter filter = matchingFilters.get(i); 6444 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6445 // Checking if there are activities in the target user that can handle the 6446 // intent. 6447 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6448 resolvedType, flags, sourceUserId); 6449 if (resolveInfo != null) { 6450 return resolveInfo; 6451 } 6452 } 6453 } 6454 } 6455 return null; 6456 } 6457 6458 // Return matching ResolveInfo in target user if any. 6459 private ResolveInfo queryCrossProfileIntents( 6460 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6461 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6462 if (matchingFilters != null) { 6463 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6464 // match the same intent. For performance reasons, it is better not to 6465 // run queryIntent twice for the same userId 6466 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6467 int size = matchingFilters.size(); 6468 for (int i = 0; i < size; i++) { 6469 CrossProfileIntentFilter filter = matchingFilters.get(i); 6470 int targetUserId = filter.getTargetUserId(); 6471 boolean skipCurrentProfile = 6472 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6473 boolean skipCurrentProfileIfNoMatchFound = 6474 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6475 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6476 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6477 // Checking if there are activities in the target user that can handle the 6478 // intent. 6479 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6480 resolvedType, flags, sourceUserId); 6481 if (resolveInfo != null) return resolveInfo; 6482 alreadyTriedUserIds.put(targetUserId, true); 6483 } 6484 } 6485 } 6486 return null; 6487 } 6488 6489 /** 6490 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6491 * will forward the intent to the filter's target user. 6492 * Otherwise, returns null. 6493 */ 6494 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6495 String resolvedType, int flags, int sourceUserId) { 6496 int targetUserId = filter.getTargetUserId(); 6497 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6498 resolvedType, flags, targetUserId); 6499 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6500 // If all the matches in the target profile are suspended, return null. 6501 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6502 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6503 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6504 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6505 targetUserId); 6506 } 6507 } 6508 } 6509 return null; 6510 } 6511 6512 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6513 int sourceUserId, int targetUserId) { 6514 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6515 long ident = Binder.clearCallingIdentity(); 6516 boolean targetIsProfile; 6517 try { 6518 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6519 } finally { 6520 Binder.restoreCallingIdentity(ident); 6521 } 6522 String className; 6523 if (targetIsProfile) { 6524 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6525 } else { 6526 className = FORWARD_INTENT_TO_PARENT; 6527 } 6528 ComponentName forwardingActivityComponentName = new ComponentName( 6529 mAndroidApplication.packageName, className); 6530 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6531 sourceUserId); 6532 if (!targetIsProfile) { 6533 forwardingActivityInfo.showUserIcon = targetUserId; 6534 forwardingResolveInfo.noResourceId = true; 6535 } 6536 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6537 forwardingResolveInfo.priority = 0; 6538 forwardingResolveInfo.preferredOrder = 0; 6539 forwardingResolveInfo.match = 0; 6540 forwardingResolveInfo.isDefault = true; 6541 forwardingResolveInfo.filter = filter; 6542 forwardingResolveInfo.targetUserId = targetUserId; 6543 return forwardingResolveInfo; 6544 } 6545 6546 @Override 6547 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6548 Intent[] specifics, String[] specificTypes, Intent intent, 6549 String resolvedType, int flags, int userId) { 6550 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6551 specificTypes, intent, resolvedType, flags, userId)); 6552 } 6553 6554 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6555 Intent[] specifics, String[] specificTypes, Intent intent, 6556 String resolvedType, int flags, int userId) { 6557 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6558 flags = updateFlagsForResolve(flags, userId, intent); 6559 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6560 false /* requireFullPermission */, false /* checkShell */, 6561 "query intent activity options"); 6562 final String resultsAction = intent.getAction(); 6563 6564 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6565 | PackageManager.GET_RESOLVED_FILTER, userId); 6566 6567 if (DEBUG_INTENT_MATCHING) { 6568 Log.v(TAG, "Query " + intent + ": " + results); 6569 } 6570 6571 int specificsPos = 0; 6572 int N; 6573 6574 // todo: note that the algorithm used here is O(N^2). This 6575 // isn't a problem in our current environment, but if we start running 6576 // into situations where we have more than 5 or 10 matches then this 6577 // should probably be changed to something smarter... 6578 6579 // First we go through and resolve each of the specific items 6580 // that were supplied, taking care of removing any corresponding 6581 // duplicate items in the generic resolve list. 6582 if (specifics != null) { 6583 for (int i=0; i<specifics.length; i++) { 6584 final Intent sintent = specifics[i]; 6585 if (sintent == null) { 6586 continue; 6587 } 6588 6589 if (DEBUG_INTENT_MATCHING) { 6590 Log.v(TAG, "Specific #" + i + ": " + sintent); 6591 } 6592 6593 String action = sintent.getAction(); 6594 if (resultsAction != null && resultsAction.equals(action)) { 6595 // If this action was explicitly requested, then don't 6596 // remove things that have it. 6597 action = null; 6598 } 6599 6600 ResolveInfo ri = null; 6601 ActivityInfo ai = null; 6602 6603 ComponentName comp = sintent.getComponent(); 6604 if (comp == null) { 6605 ri = resolveIntent( 6606 sintent, 6607 specificTypes != null ? specificTypes[i] : null, 6608 flags, userId); 6609 if (ri == null) { 6610 continue; 6611 } 6612 if (ri == mResolveInfo) { 6613 // ACK! Must do something better with this. 6614 } 6615 ai = ri.activityInfo; 6616 comp = new ComponentName(ai.applicationInfo.packageName, 6617 ai.name); 6618 } else { 6619 ai = getActivityInfo(comp, flags, userId); 6620 if (ai == null) { 6621 continue; 6622 } 6623 } 6624 6625 // Look for any generic query activities that are duplicates 6626 // of this specific one, and remove them from the results. 6627 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6628 N = results.size(); 6629 int j; 6630 for (j=specificsPos; j<N; j++) { 6631 ResolveInfo sri = results.get(j); 6632 if ((sri.activityInfo.name.equals(comp.getClassName()) 6633 && sri.activityInfo.applicationInfo.packageName.equals( 6634 comp.getPackageName())) 6635 || (action != null && sri.filter.matchAction(action))) { 6636 results.remove(j); 6637 if (DEBUG_INTENT_MATCHING) Log.v( 6638 TAG, "Removing duplicate item from " + j 6639 + " due to specific " + specificsPos); 6640 if (ri == null) { 6641 ri = sri; 6642 } 6643 j--; 6644 N--; 6645 } 6646 } 6647 6648 // Add this specific item to its proper place. 6649 if (ri == null) { 6650 ri = new ResolveInfo(); 6651 ri.activityInfo = ai; 6652 } 6653 results.add(specificsPos, ri); 6654 ri.specificIndex = i; 6655 specificsPos++; 6656 } 6657 } 6658 6659 // Now we go through the remaining generic results and remove any 6660 // duplicate actions that are found here. 6661 N = results.size(); 6662 for (int i=specificsPos; i<N-1; i++) { 6663 final ResolveInfo rii = results.get(i); 6664 if (rii.filter == null) { 6665 continue; 6666 } 6667 6668 // Iterate over all of the actions of this result's intent 6669 // filter... typically this should be just one. 6670 final Iterator<String> it = rii.filter.actionsIterator(); 6671 if (it == null) { 6672 continue; 6673 } 6674 while (it.hasNext()) { 6675 final String action = it.next(); 6676 if (resultsAction != null && resultsAction.equals(action)) { 6677 // If this action was explicitly requested, then don't 6678 // remove things that have it. 6679 continue; 6680 } 6681 for (int j=i+1; j<N; j++) { 6682 final ResolveInfo rij = results.get(j); 6683 if (rij.filter != null && rij.filter.hasAction(action)) { 6684 results.remove(j); 6685 if (DEBUG_INTENT_MATCHING) Log.v( 6686 TAG, "Removing duplicate item from " + j 6687 + " due to action " + action + " at " + i); 6688 j--; 6689 N--; 6690 } 6691 } 6692 } 6693 6694 // If the caller didn't request filter information, drop it now 6695 // so we don't have to marshall/unmarshall it. 6696 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6697 rii.filter = null; 6698 } 6699 } 6700 6701 // Filter out the caller activity if so requested. 6702 if (caller != null) { 6703 N = results.size(); 6704 for (int i=0; i<N; i++) { 6705 ActivityInfo ainfo = results.get(i).activityInfo; 6706 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6707 && caller.getClassName().equals(ainfo.name)) { 6708 results.remove(i); 6709 break; 6710 } 6711 } 6712 } 6713 6714 // If the caller didn't request filter information, 6715 // drop them now so we don't have to 6716 // marshall/unmarshall it. 6717 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6718 N = results.size(); 6719 for (int i=0; i<N; i++) { 6720 results.get(i).filter = null; 6721 } 6722 } 6723 6724 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6725 return results; 6726 } 6727 6728 @Override 6729 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6730 String resolvedType, int flags, int userId) { 6731 return new ParceledListSlice<>( 6732 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6733 } 6734 6735 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6736 String resolvedType, int flags, int userId) { 6737 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6738 flags = updateFlagsForResolve(flags, userId, intent); 6739 ComponentName comp = intent.getComponent(); 6740 if (comp == null) { 6741 if (intent.getSelector() != null) { 6742 intent = intent.getSelector(); 6743 comp = intent.getComponent(); 6744 } 6745 } 6746 if (comp != null) { 6747 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6748 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6749 if (ai != null) { 6750 ResolveInfo ri = new ResolveInfo(); 6751 ri.activityInfo = ai; 6752 list.add(ri); 6753 } 6754 return list; 6755 } 6756 6757 // reader 6758 synchronized (mPackages) { 6759 String pkgName = intent.getPackage(); 6760 if (pkgName == null) { 6761 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6762 } 6763 final PackageParser.Package pkg = mPackages.get(pkgName); 6764 if (pkg != null) { 6765 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6766 userId); 6767 } 6768 return Collections.emptyList(); 6769 } 6770 } 6771 6772 @Override 6773 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6774 if (!sUserManager.exists(userId)) return null; 6775 flags = updateFlagsForResolve(flags, userId, intent); 6776 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6777 if (query != null) { 6778 if (query.size() >= 1) { 6779 // If there is more than one service with the same priority, 6780 // just arbitrarily pick the first one. 6781 return query.get(0); 6782 } 6783 } 6784 return null; 6785 } 6786 6787 @Override 6788 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6789 String resolvedType, int flags, int userId) { 6790 return new ParceledListSlice<>( 6791 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6792 } 6793 6794 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6795 String resolvedType, int flags, int userId) { 6796 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6797 flags = updateFlagsForResolve(flags, userId, intent); 6798 ComponentName comp = intent.getComponent(); 6799 if (comp == null) { 6800 if (intent.getSelector() != null) { 6801 intent = intent.getSelector(); 6802 comp = intent.getComponent(); 6803 } 6804 } 6805 if (comp != null) { 6806 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6807 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6808 if (si != null) { 6809 final ResolveInfo ri = new ResolveInfo(); 6810 ri.serviceInfo = si; 6811 list.add(ri); 6812 } 6813 return list; 6814 } 6815 6816 // reader 6817 synchronized (mPackages) { 6818 String pkgName = intent.getPackage(); 6819 if (pkgName == null) { 6820 return mServices.queryIntent(intent, resolvedType, flags, userId); 6821 } 6822 final PackageParser.Package pkg = mPackages.get(pkgName); 6823 if (pkg != null) { 6824 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6825 userId); 6826 } 6827 return Collections.emptyList(); 6828 } 6829 } 6830 6831 @Override 6832 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6833 String resolvedType, int flags, int userId) { 6834 return new ParceledListSlice<>( 6835 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6836 } 6837 6838 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6839 Intent intent, String resolvedType, int flags, int userId) { 6840 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6841 flags = updateFlagsForResolve(flags, userId, intent); 6842 ComponentName comp = intent.getComponent(); 6843 if (comp == null) { 6844 if (intent.getSelector() != null) { 6845 intent = intent.getSelector(); 6846 comp = intent.getComponent(); 6847 } 6848 } 6849 if (comp != null) { 6850 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6851 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6852 if (pi != null) { 6853 final ResolveInfo ri = new ResolveInfo(); 6854 ri.providerInfo = pi; 6855 list.add(ri); 6856 } 6857 return list; 6858 } 6859 6860 // reader 6861 synchronized (mPackages) { 6862 String pkgName = intent.getPackage(); 6863 if (pkgName == null) { 6864 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6865 } 6866 final PackageParser.Package pkg = mPackages.get(pkgName); 6867 if (pkg != null) { 6868 return mProviders.queryIntentForPackage( 6869 intent, resolvedType, flags, pkg.providers, userId); 6870 } 6871 return Collections.emptyList(); 6872 } 6873 } 6874 6875 @Override 6876 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6877 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6878 flags = updateFlagsForPackage(flags, userId, null); 6879 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6880 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6881 true /* requireFullPermission */, false /* checkShell */, 6882 "get installed packages"); 6883 6884 // writer 6885 synchronized (mPackages) { 6886 ArrayList<PackageInfo> list; 6887 if (listUninstalled) { 6888 list = new ArrayList<>(mSettings.mPackages.size()); 6889 for (PackageSetting ps : mSettings.mPackages.values()) { 6890 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 6891 continue; 6892 } 6893 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 6894 if (pi != null) { 6895 list.add(pi); 6896 } 6897 } 6898 } else { 6899 list = new ArrayList<>(mPackages.size()); 6900 for (PackageParser.Package p : mPackages.values()) { 6901 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 6902 Binder.getCallingUid(), userId)) { 6903 continue; 6904 } 6905 final PackageInfo pi = generatePackageInfo((PackageSetting) 6906 p.mExtras, flags, userId); 6907 if (pi != null) { 6908 list.add(pi); 6909 } 6910 } 6911 } 6912 6913 return new ParceledListSlice<>(list); 6914 } 6915 } 6916 6917 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6918 String[] permissions, boolean[] tmp, int flags, int userId) { 6919 int numMatch = 0; 6920 final PermissionsState permissionsState = ps.getPermissionsState(); 6921 for (int i=0; i<permissions.length; i++) { 6922 final String permission = permissions[i]; 6923 if (permissionsState.hasPermission(permission, userId)) { 6924 tmp[i] = true; 6925 numMatch++; 6926 } else { 6927 tmp[i] = false; 6928 } 6929 } 6930 if (numMatch == 0) { 6931 return; 6932 } 6933 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 6934 6935 // The above might return null in cases of uninstalled apps or install-state 6936 // skew across users/profiles. 6937 if (pi != null) { 6938 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6939 if (numMatch == permissions.length) { 6940 pi.requestedPermissions = permissions; 6941 } else { 6942 pi.requestedPermissions = new String[numMatch]; 6943 numMatch = 0; 6944 for (int i=0; i<permissions.length; i++) { 6945 if (tmp[i]) { 6946 pi.requestedPermissions[numMatch] = permissions[i]; 6947 numMatch++; 6948 } 6949 } 6950 } 6951 } 6952 list.add(pi); 6953 } 6954 } 6955 6956 @Override 6957 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6958 String[] permissions, int flags, int userId) { 6959 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6960 flags = updateFlagsForPackage(flags, userId, permissions); 6961 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6962 true /* requireFullPermission */, false /* checkShell */, 6963 "get packages holding permissions"); 6964 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6965 6966 // writer 6967 synchronized (mPackages) { 6968 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6969 boolean[] tmpBools = new boolean[permissions.length]; 6970 if (listUninstalled) { 6971 for (PackageSetting ps : mSettings.mPackages.values()) { 6972 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6973 userId); 6974 } 6975 } else { 6976 for (PackageParser.Package pkg : mPackages.values()) { 6977 PackageSetting ps = (PackageSetting)pkg.mExtras; 6978 if (ps != null) { 6979 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6980 userId); 6981 } 6982 } 6983 } 6984 6985 return new ParceledListSlice<PackageInfo>(list); 6986 } 6987 } 6988 6989 @Override 6990 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6991 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6992 flags = updateFlagsForApplication(flags, userId, null); 6993 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6994 6995 // writer 6996 synchronized (mPackages) { 6997 ArrayList<ApplicationInfo> list; 6998 if (listUninstalled) { 6999 list = new ArrayList<>(mSettings.mPackages.size()); 7000 for (PackageSetting ps : mSettings.mPackages.values()) { 7001 ApplicationInfo ai; 7002 int effectiveFlags = flags; 7003 if (ps.isSystem()) { 7004 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7005 } 7006 if (ps.pkg != null) { 7007 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7008 continue; 7009 } 7010 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 7011 ps.readUserState(userId), userId); 7012 if (ai != null) { 7013 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7014 } 7015 } else { 7016 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7017 // and already converts to externally visible package name 7018 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7019 Binder.getCallingUid(), effectiveFlags, userId); 7020 } 7021 if (ai != null) { 7022 list.add(ai); 7023 } 7024 } 7025 } else { 7026 list = new ArrayList<>(mPackages.size()); 7027 for (PackageParser.Package p : mPackages.values()) { 7028 if (p.mExtras != null) { 7029 PackageSetting ps = (PackageSetting) p.mExtras; 7030 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7031 continue; 7032 } 7033 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7034 ps.readUserState(userId), userId); 7035 if (ai != null) { 7036 ai.packageName = resolveExternalPackageNameLPr(p); 7037 list.add(ai); 7038 } 7039 } 7040 } 7041 } 7042 7043 return new ParceledListSlice<>(list); 7044 } 7045 } 7046 7047 @Override 7048 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 7049 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7050 return null; 7051 } 7052 7053 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7054 "getEphemeralApplications"); 7055 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7056 true /* requireFullPermission */, false /* checkShell */, 7057 "getEphemeralApplications"); 7058 synchronized (mPackages) { 7059 List<InstantAppInfo> instantApps = mInstantAppRegistry 7060 .getInstantAppsLPr(userId); 7061 if (instantApps != null) { 7062 return new ParceledListSlice<>(instantApps); 7063 } 7064 } 7065 return null; 7066 } 7067 7068 @Override 7069 public boolean isInstantApp(String packageName, int userId) { 7070 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7071 true /* requireFullPermission */, false /* checkShell */, 7072 "isInstantApp"); 7073 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7074 return false; 7075 } 7076 7077 if (!isCallerSameApp(packageName)) { 7078 return false; 7079 } 7080 synchronized (mPackages) { 7081 PackageParser.Package pkg = mPackages.get(packageName); 7082 if (pkg != null) { 7083 return pkg.applicationInfo.isInstantApp(); 7084 } 7085 } 7086 return false; 7087 } 7088 7089 @Override 7090 public byte[] getInstantAppCookie(String packageName, int userId) { 7091 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7092 return null; 7093 } 7094 7095 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7096 true /* requireFullPermission */, false /* checkShell */, 7097 "getInstantAppCookie"); 7098 if (!isCallerSameApp(packageName)) { 7099 return null; 7100 } 7101 synchronized (mPackages) { 7102 return mInstantAppRegistry.getInstantAppCookieLPw( 7103 packageName, userId); 7104 } 7105 } 7106 7107 @Override 7108 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 7109 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7110 return true; 7111 } 7112 7113 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7114 true /* requireFullPermission */, true /* checkShell */, 7115 "setInstantAppCookie"); 7116 if (!isCallerSameApp(packageName)) { 7117 return false; 7118 } 7119 synchronized (mPackages) { 7120 return mInstantAppRegistry.setInstantAppCookieLPw( 7121 packageName, cookie, userId); 7122 } 7123 } 7124 7125 @Override 7126 public Bitmap getInstantAppIcon(String packageName, int userId) { 7127 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7128 return null; 7129 } 7130 7131 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7132 "getInstantAppIcon"); 7133 7134 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7135 true /* requireFullPermission */, false /* checkShell */, 7136 "getInstantAppIcon"); 7137 7138 synchronized (mPackages) { 7139 return mInstantAppRegistry.getInstantAppIconLPw( 7140 packageName, userId); 7141 } 7142 } 7143 7144 private boolean isCallerSameApp(String packageName) { 7145 PackageParser.Package pkg = mPackages.get(packageName); 7146 return pkg != null 7147 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 7148 } 7149 7150 @Override 7151 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7152 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7153 } 7154 7155 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7156 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7157 7158 // reader 7159 synchronized (mPackages) { 7160 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7161 final int userId = UserHandle.getCallingUserId(); 7162 while (i.hasNext()) { 7163 final PackageParser.Package p = i.next(); 7164 if (p.applicationInfo == null) continue; 7165 7166 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7167 && !p.applicationInfo.isDirectBootAware(); 7168 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7169 && p.applicationInfo.isDirectBootAware(); 7170 7171 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7172 && (!mSafeMode || isSystemApp(p)) 7173 && (matchesUnaware || matchesAware)) { 7174 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7175 if (ps != null) { 7176 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7177 ps.readUserState(userId), userId); 7178 if (ai != null) { 7179 finalList.add(ai); 7180 } 7181 } 7182 } 7183 } 7184 } 7185 7186 return finalList; 7187 } 7188 7189 @Override 7190 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7191 if (!sUserManager.exists(userId)) return null; 7192 flags = updateFlagsForComponent(flags, userId, name); 7193 // reader 7194 synchronized (mPackages) { 7195 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7196 PackageSetting ps = provider != null 7197 ? mSettings.mPackages.get(provider.owner.packageName) 7198 : null; 7199 return ps != null 7200 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 7201 ? PackageParser.generateProviderInfo(provider, flags, 7202 ps.readUserState(userId), userId) 7203 : null; 7204 } 7205 } 7206 7207 /** 7208 * @deprecated 7209 */ 7210 @Deprecated 7211 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 7212 // reader 7213 synchronized (mPackages) { 7214 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 7215 .entrySet().iterator(); 7216 final int userId = UserHandle.getCallingUserId(); 7217 while (i.hasNext()) { 7218 Map.Entry<String, PackageParser.Provider> entry = i.next(); 7219 PackageParser.Provider p = entry.getValue(); 7220 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7221 7222 if (ps != null && p.syncable 7223 && (!mSafeMode || (p.info.applicationInfo.flags 7224 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 7225 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 7226 ps.readUserState(userId), userId); 7227 if (info != null) { 7228 outNames.add(entry.getKey()); 7229 outInfo.add(info); 7230 } 7231 } 7232 } 7233 } 7234 } 7235 7236 @Override 7237 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 7238 int uid, int flags) { 7239 final int userId = processName != null ? UserHandle.getUserId(uid) 7240 : UserHandle.getCallingUserId(); 7241 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7242 flags = updateFlagsForComponent(flags, userId, processName); 7243 7244 ArrayList<ProviderInfo> finalList = null; 7245 // reader 7246 synchronized (mPackages) { 7247 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 7248 while (i.hasNext()) { 7249 final PackageParser.Provider p = i.next(); 7250 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7251 if (ps != null && p.info.authority != null 7252 && (processName == null 7253 || (p.info.processName.equals(processName) 7254 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 7255 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 7256 if (finalList == null) { 7257 finalList = new ArrayList<ProviderInfo>(3); 7258 } 7259 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 7260 ps.readUserState(userId), userId); 7261 if (info != null) { 7262 finalList.add(info); 7263 } 7264 } 7265 } 7266 } 7267 7268 if (finalList != null) { 7269 Collections.sort(finalList, mProviderInitOrderSorter); 7270 return new ParceledListSlice<ProviderInfo>(finalList); 7271 } 7272 7273 return ParceledListSlice.emptyList(); 7274 } 7275 7276 @Override 7277 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 7278 // reader 7279 synchronized (mPackages) { 7280 final PackageParser.Instrumentation i = mInstrumentation.get(name); 7281 return PackageParser.generateInstrumentationInfo(i, flags); 7282 } 7283 } 7284 7285 @Override 7286 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 7287 String targetPackage, int flags) { 7288 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 7289 } 7290 7291 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 7292 int flags) { 7293 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 7294 7295 // reader 7296 synchronized (mPackages) { 7297 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 7298 while (i.hasNext()) { 7299 final PackageParser.Instrumentation p = i.next(); 7300 if (targetPackage == null 7301 || targetPackage.equals(p.info.targetPackage)) { 7302 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 7303 flags); 7304 if (ii != null) { 7305 finalList.add(ii); 7306 } 7307 } 7308 } 7309 } 7310 7311 return finalList; 7312 } 7313 7314 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 7315 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 7316 if (overlays == null) { 7317 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 7318 return; 7319 } 7320 for (PackageParser.Package opkg : overlays.values()) { 7321 // Not much to do if idmap fails: we already logged the error 7322 // and we certainly don't want to abort installation of pkg simply 7323 // because an overlay didn't fit properly. For these reasons, 7324 // ignore the return value of createIdmapForPackagePairLI. 7325 createIdmapForPackagePairLI(pkg, opkg); 7326 } 7327 } 7328 7329 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 7330 PackageParser.Package opkg) { 7331 if (!opkg.mTrustedOverlay) { 7332 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 7333 opkg.baseCodePath + ": overlay not trusted"); 7334 return false; 7335 } 7336 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 7337 if (overlaySet == null) { 7338 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 7339 opkg.baseCodePath + " but target package has no known overlays"); 7340 return false; 7341 } 7342 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7343 // TODO: generate idmap for split APKs 7344 try { 7345 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 7346 } catch (InstallerException e) { 7347 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 7348 + opkg.baseCodePath); 7349 return false; 7350 } 7351 PackageParser.Package[] overlayArray = 7352 overlaySet.values().toArray(new PackageParser.Package[0]); 7353 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 7354 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 7355 return p1.mOverlayPriority - p2.mOverlayPriority; 7356 } 7357 }; 7358 Arrays.sort(overlayArray, cmp); 7359 7360 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 7361 int i = 0; 7362 for (PackageParser.Package p : overlayArray) { 7363 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 7364 } 7365 return true; 7366 } 7367 7368 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7369 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7370 try { 7371 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7372 } finally { 7373 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7374 } 7375 } 7376 7377 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7378 final File[] files = dir.listFiles(); 7379 if (ArrayUtils.isEmpty(files)) { 7380 Log.d(TAG, "No files in app dir " + dir); 7381 return; 7382 } 7383 7384 if (DEBUG_PACKAGE_SCANNING) { 7385 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7386 + " flags=0x" + Integer.toHexString(parseFlags)); 7387 } 7388 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7389 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir); 7390 7391 // Submit files for parsing in parallel 7392 int fileCount = 0; 7393 for (File file : files) { 7394 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7395 && !PackageInstallerService.isStageName(file.getName()); 7396 if (!isPackage) { 7397 // Ignore entries which are not packages 7398 continue; 7399 } 7400 parallelPackageParser.submit(file, parseFlags); 7401 fileCount++; 7402 } 7403 7404 // Process results one by one 7405 for (; fileCount > 0; fileCount--) { 7406 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7407 Throwable throwable = parseResult.throwable; 7408 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7409 7410 if (throwable == null) { 7411 // Static shared libraries have synthetic package names 7412 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 7413 renameStaticSharedLibraryPackage(parseResult.pkg); 7414 } 7415 try { 7416 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 7417 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7418 currentTime, null); 7419 } 7420 } catch (PackageManagerException e) { 7421 errorCode = e.error; 7422 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7423 } 7424 } else if (throwable instanceof PackageParser.PackageParserException) { 7425 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7426 throwable; 7427 errorCode = e.error; 7428 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7429 } else { 7430 throw new IllegalStateException("Unexpected exception occurred while parsing " 7431 + parseResult.scanFile, throwable); 7432 } 7433 7434 // Delete invalid userdata apps 7435 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7436 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7437 logCriticalInfo(Log.WARN, 7438 "Deleting invalid package at " + parseResult.scanFile); 7439 removeCodePathLI(parseResult.scanFile); 7440 } 7441 } 7442 parallelPackageParser.close(); 7443 } 7444 7445 private static File getSettingsProblemFile() { 7446 File dataDir = Environment.getDataDirectory(); 7447 File systemDir = new File(dataDir, "system"); 7448 File fname = new File(systemDir, "uiderrors.txt"); 7449 return fname; 7450 } 7451 7452 static void reportSettingsProblem(int priority, String msg) { 7453 logCriticalInfo(priority, msg); 7454 } 7455 7456 static void logCriticalInfo(int priority, String msg) { 7457 Slog.println(priority, TAG, msg); 7458 EventLogTags.writePmCriticalInfo(msg); 7459 try { 7460 File fname = getSettingsProblemFile(); 7461 FileOutputStream out = new FileOutputStream(fname, true); 7462 PrintWriter pw = new FastPrintWriter(out); 7463 SimpleDateFormat formatter = new SimpleDateFormat(); 7464 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7465 pw.println(dateString + ": " + msg); 7466 pw.close(); 7467 FileUtils.setPermissions( 7468 fname.toString(), 7469 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7470 -1, -1); 7471 } catch (java.io.IOException e) { 7472 } 7473 } 7474 7475 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7476 if (srcFile.isDirectory()) { 7477 final File baseFile = new File(pkg.baseCodePath); 7478 long maxModifiedTime = baseFile.lastModified(); 7479 if (pkg.splitCodePaths != null) { 7480 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7481 final File splitFile = new File(pkg.splitCodePaths[i]); 7482 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7483 } 7484 } 7485 return maxModifiedTime; 7486 } 7487 return srcFile.lastModified(); 7488 } 7489 7490 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7491 final int policyFlags) throws PackageManagerException { 7492 // When upgrading from pre-N MR1, verify the package time stamp using the package 7493 // directory and not the APK file. 7494 final long lastModifiedTime = mIsPreNMR1Upgrade 7495 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7496 if (ps != null 7497 && ps.codePath.equals(srcFile) 7498 && ps.timeStamp == lastModifiedTime 7499 && !isCompatSignatureUpdateNeeded(pkg) 7500 && !isRecoverSignatureUpdateNeeded(pkg)) { 7501 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7502 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7503 ArraySet<PublicKey> signingKs; 7504 synchronized (mPackages) { 7505 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7506 } 7507 if (ps.signatures.mSignatures != null 7508 && ps.signatures.mSignatures.length != 0 7509 && signingKs != null) { 7510 // Optimization: reuse the existing cached certificates 7511 // if the package appears to be unchanged. 7512 pkg.mSignatures = ps.signatures.mSignatures; 7513 pkg.mSigningKeys = signingKs; 7514 return; 7515 } 7516 7517 Slog.w(TAG, "PackageSetting for " + ps.name 7518 + " is missing signatures. Collecting certs again to recover them."); 7519 } else { 7520 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7521 } 7522 7523 try { 7524 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7525 PackageParser.collectCertificates(pkg, policyFlags); 7526 } catch (PackageParserException e) { 7527 throw PackageManagerException.from(e); 7528 } finally { 7529 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7530 } 7531 } 7532 7533 /** 7534 * Traces a package scan. 7535 * @see #scanPackageLI(File, int, int, long, UserHandle) 7536 */ 7537 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7538 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7539 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7540 try { 7541 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7542 } finally { 7543 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7544 } 7545 } 7546 7547 /** 7548 * Scans a package and returns the newly parsed package. 7549 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7550 */ 7551 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7552 long currentTime, UserHandle user) throws PackageManagerException { 7553 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7554 PackageParser pp = new PackageParser(); 7555 pp.setSeparateProcesses(mSeparateProcesses); 7556 pp.setOnlyCoreApps(mOnlyCore); 7557 pp.setDisplayMetrics(mMetrics); 7558 7559 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7560 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7561 } 7562 7563 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7564 final PackageParser.Package pkg; 7565 try { 7566 pkg = pp.parsePackage(scanFile, parseFlags); 7567 } catch (PackageParserException e) { 7568 throw PackageManagerException.from(e); 7569 } finally { 7570 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7571 } 7572 7573 // Static shared libraries have synthetic package names 7574 if (pkg.applicationInfo.isStaticSharedLibrary()) { 7575 renameStaticSharedLibraryPackage(pkg); 7576 } 7577 7578 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7579 } 7580 7581 /** 7582 * Scans a package and returns the newly parsed package. 7583 * @throws PackageManagerException on a parse error. 7584 */ 7585 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7586 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7587 throws PackageManagerException { 7588 // If the package has children and this is the first dive in the function 7589 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7590 // packages (parent and children) would be successfully scanned before the 7591 // actual scan since scanning mutates internal state and we want to atomically 7592 // install the package and its children. 7593 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7594 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7595 scanFlags |= SCAN_CHECK_ONLY; 7596 } 7597 } else { 7598 scanFlags &= ~SCAN_CHECK_ONLY; 7599 } 7600 7601 // Scan the parent 7602 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7603 scanFlags, currentTime, user); 7604 7605 // Scan the children 7606 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7607 for (int i = 0; i < childCount; i++) { 7608 PackageParser.Package childPackage = pkg.childPackages.get(i); 7609 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7610 currentTime, user); 7611 } 7612 7613 7614 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7615 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7616 } 7617 7618 return scannedPkg; 7619 } 7620 7621 /** 7622 * Scans a package and returns the newly parsed package. 7623 * @throws PackageManagerException on a parse error. 7624 */ 7625 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7626 int policyFlags, int scanFlags, long currentTime, UserHandle user) 7627 throws PackageManagerException { 7628 PackageSetting ps = null; 7629 PackageSetting updatedPkg; 7630 // reader 7631 synchronized (mPackages) { 7632 // Look to see if we already know about this package. 7633 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7634 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7635 // This package has been renamed to its original name. Let's 7636 // use that. 7637 ps = mSettings.getPackageLPr(oldName); 7638 } 7639 // If there was no original package, see one for the real package name. 7640 if (ps == null) { 7641 ps = mSettings.getPackageLPr(pkg.packageName); 7642 } 7643 // Check to see if this package could be hiding/updating a system 7644 // package. Must look for it either under the original or real 7645 // package name depending on our state. 7646 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7647 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7648 7649 // If this is a package we don't know about on the system partition, we 7650 // may need to remove disabled child packages on the system partition 7651 // or may need to not add child packages if the parent apk is updated 7652 // on the data partition and no longer defines this child package. 7653 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7654 // If this is a parent package for an updated system app and this system 7655 // app got an OTA update which no longer defines some of the child packages 7656 // we have to prune them from the disabled system packages. 7657 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7658 if (disabledPs != null) { 7659 final int scannedChildCount = (pkg.childPackages != null) 7660 ? pkg.childPackages.size() : 0; 7661 final int disabledChildCount = disabledPs.childPackageNames != null 7662 ? disabledPs.childPackageNames.size() : 0; 7663 for (int i = 0; i < disabledChildCount; i++) { 7664 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7665 boolean disabledPackageAvailable = false; 7666 for (int j = 0; j < scannedChildCount; j++) { 7667 PackageParser.Package childPkg = pkg.childPackages.get(j); 7668 if (childPkg.packageName.equals(disabledChildPackageName)) { 7669 disabledPackageAvailable = true; 7670 break; 7671 } 7672 } 7673 if (!disabledPackageAvailable) { 7674 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7675 } 7676 } 7677 } 7678 } 7679 } 7680 7681 boolean updatedPkgBetter = false; 7682 // First check if this is a system package that may involve an update 7683 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7684 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7685 // it needs to drop FLAG_PRIVILEGED. 7686 if (locationIsPrivileged(scanFile)) { 7687 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7688 } else { 7689 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7690 } 7691 7692 if (ps != null && !ps.codePath.equals(scanFile)) { 7693 // The path has changed from what was last scanned... check the 7694 // version of the new path against what we have stored to determine 7695 // what to do. 7696 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7697 if (pkg.mVersionCode <= ps.versionCode) { 7698 // The system package has been updated and the code path does not match 7699 // Ignore entry. Skip it. 7700 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7701 + " ignored: updated version " + ps.versionCode 7702 + " better than this " + pkg.mVersionCode); 7703 if (!updatedPkg.codePath.equals(scanFile)) { 7704 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7705 + ps.name + " changing from " + updatedPkg.codePathString 7706 + " to " + scanFile); 7707 updatedPkg.codePath = scanFile; 7708 updatedPkg.codePathString = scanFile.toString(); 7709 updatedPkg.resourcePath = scanFile; 7710 updatedPkg.resourcePathString = scanFile.toString(); 7711 } 7712 updatedPkg.pkg = pkg; 7713 updatedPkg.versionCode = pkg.mVersionCode; 7714 7715 // Update the disabled system child packages to point to the package too. 7716 final int childCount = updatedPkg.childPackageNames != null 7717 ? updatedPkg.childPackageNames.size() : 0; 7718 for (int i = 0; i < childCount; i++) { 7719 String childPackageName = updatedPkg.childPackageNames.get(i); 7720 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7721 childPackageName); 7722 if (updatedChildPkg != null) { 7723 updatedChildPkg.pkg = pkg; 7724 updatedChildPkg.versionCode = pkg.mVersionCode; 7725 } 7726 } 7727 7728 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7729 + scanFile + " ignored: updated version " + ps.versionCode 7730 + " better than this " + pkg.mVersionCode); 7731 } else { 7732 // The current app on the system partition is better than 7733 // what we have updated to on the data partition; switch 7734 // back to the system partition version. 7735 // At this point, its safely assumed that package installation for 7736 // apps in system partition will go through. If not there won't be a working 7737 // version of the app 7738 // writer 7739 synchronized (mPackages) { 7740 // Just remove the loaded entries from package lists. 7741 mPackages.remove(ps.name); 7742 } 7743 7744 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7745 + " reverting from " + ps.codePathString 7746 + ": new version " + pkg.mVersionCode 7747 + " better than installed " + ps.versionCode); 7748 7749 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7750 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7751 synchronized (mInstallLock) { 7752 args.cleanUpResourcesLI(); 7753 } 7754 synchronized (mPackages) { 7755 mSettings.enableSystemPackageLPw(ps.name); 7756 } 7757 updatedPkgBetter = true; 7758 } 7759 } 7760 } 7761 7762 if (updatedPkg != null) { 7763 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7764 // initially 7765 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7766 7767 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7768 // flag set initially 7769 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7770 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7771 } 7772 } 7773 7774 // Verify certificates against what was last scanned 7775 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7776 7777 /* 7778 * A new system app appeared, but we already had a non-system one of the 7779 * same name installed earlier. 7780 */ 7781 boolean shouldHideSystemApp = false; 7782 if (updatedPkg == null && ps != null 7783 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7784 /* 7785 * Check to make sure the signatures match first. If they don't, 7786 * wipe the installed application and its data. 7787 */ 7788 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7789 != PackageManager.SIGNATURE_MATCH) { 7790 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7791 + " signatures don't match existing userdata copy; removing"); 7792 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7793 "scanPackageInternalLI")) { 7794 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7795 } 7796 ps = null; 7797 } else { 7798 /* 7799 * If the newly-added system app is an older version than the 7800 * already installed version, hide it. It will be scanned later 7801 * and re-added like an update. 7802 */ 7803 if (pkg.mVersionCode <= ps.versionCode) { 7804 shouldHideSystemApp = true; 7805 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7806 + " but new version " + pkg.mVersionCode + " better than installed " 7807 + ps.versionCode + "; hiding system"); 7808 } else { 7809 /* 7810 * The newly found system app is a newer version that the 7811 * one previously installed. Simply remove the 7812 * already-installed application and replace it with our own 7813 * while keeping the application data. 7814 */ 7815 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7816 + " reverting from " + ps.codePathString + ": new version " 7817 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7818 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7819 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7820 synchronized (mInstallLock) { 7821 args.cleanUpResourcesLI(); 7822 } 7823 } 7824 } 7825 } 7826 7827 // The apk is forward locked (not public) if its code and resources 7828 // are kept in different files. (except for app in either system or 7829 // vendor path). 7830 // TODO grab this value from PackageSettings 7831 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7832 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7833 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7834 } 7835 } 7836 7837 // TODO: extend to support forward-locked splits 7838 String resourcePath = null; 7839 String baseResourcePath = null; 7840 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7841 if (ps != null && ps.resourcePathString != null) { 7842 resourcePath = ps.resourcePathString; 7843 baseResourcePath = ps.resourcePathString; 7844 } else { 7845 // Should not happen at all. Just log an error. 7846 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7847 } 7848 } else { 7849 resourcePath = pkg.codePath; 7850 baseResourcePath = pkg.baseCodePath; 7851 } 7852 7853 // Set application objects path explicitly. 7854 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7855 pkg.setApplicationInfoCodePath(pkg.codePath); 7856 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7857 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7858 pkg.setApplicationInfoResourcePath(resourcePath); 7859 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7860 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7861 7862 // Note that we invoke the following method only if we are about to unpack an application 7863 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7864 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7865 7866 /* 7867 * If the system app should be overridden by a previously installed 7868 * data, hide the system app now and let the /data/app scan pick it up 7869 * again. 7870 */ 7871 if (shouldHideSystemApp) { 7872 synchronized (mPackages) { 7873 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7874 } 7875 } 7876 7877 return scannedPkg; 7878 } 7879 7880 private void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 7881 // Derive the new package synthetic package name 7882 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 7883 + pkg.staticSharedLibVersion); 7884 } 7885 7886 private static String fixProcessName(String defProcessName, 7887 String processName) { 7888 if (processName == null) { 7889 return defProcessName; 7890 } 7891 return processName; 7892 } 7893 7894 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7895 throws PackageManagerException { 7896 if (pkgSetting.signatures.mSignatures != null) { 7897 // Already existing package. Make sure signatures match 7898 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7899 == PackageManager.SIGNATURE_MATCH; 7900 if (!match) { 7901 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7902 == PackageManager.SIGNATURE_MATCH; 7903 } 7904 if (!match) { 7905 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7906 == PackageManager.SIGNATURE_MATCH; 7907 } 7908 if (!match) { 7909 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7910 + pkg.packageName + " signatures do not match the " 7911 + "previously installed version; ignoring!"); 7912 } 7913 } 7914 7915 // Check for shared user signatures 7916 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7917 // Already existing package. Make sure signatures match 7918 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7919 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7920 if (!match) { 7921 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7922 == PackageManager.SIGNATURE_MATCH; 7923 } 7924 if (!match) { 7925 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7926 == PackageManager.SIGNATURE_MATCH; 7927 } 7928 if (!match) { 7929 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7930 "Package " + pkg.packageName 7931 + " has no signatures that match those in shared user " 7932 + pkgSetting.sharedUser.name + "; ignoring!"); 7933 } 7934 } 7935 } 7936 7937 /** 7938 * Enforces that only the system UID or root's UID can call a method exposed 7939 * via Binder. 7940 * 7941 * @param message used as message if SecurityException is thrown 7942 * @throws SecurityException if the caller is not system or root 7943 */ 7944 private static final void enforceSystemOrRoot(String message) { 7945 final int uid = Binder.getCallingUid(); 7946 if (uid != Process.SYSTEM_UID && uid != 0) { 7947 throw new SecurityException(message); 7948 } 7949 } 7950 7951 @Override 7952 public void performFstrimIfNeeded() { 7953 enforceSystemOrRoot("Only the system can request fstrim"); 7954 7955 // Before everything else, see whether we need to fstrim. 7956 try { 7957 IStorageManager sm = PackageHelper.getStorageManager(); 7958 if (sm != null) { 7959 boolean doTrim = false; 7960 final long interval = android.provider.Settings.Global.getLong( 7961 mContext.getContentResolver(), 7962 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7963 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7964 if (interval > 0) { 7965 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 7966 if (timeSinceLast > interval) { 7967 doTrim = true; 7968 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7969 + "; running immediately"); 7970 } 7971 } 7972 if (doTrim) { 7973 final boolean dexOptDialogShown; 7974 synchronized (mPackages) { 7975 dexOptDialogShown = mDexOptDialogShown; 7976 } 7977 if (!isFirstBoot() && dexOptDialogShown) { 7978 try { 7979 ActivityManager.getService().showBootMessage( 7980 mContext.getResources().getString( 7981 R.string.android_upgrading_fstrim), true); 7982 } catch (RemoteException e) { 7983 } 7984 } 7985 sm.runMaintenance(); 7986 } 7987 } else { 7988 Slog.e(TAG, "storageManager service unavailable!"); 7989 } 7990 } catch (RemoteException e) { 7991 // Can't happen; StorageManagerService is local 7992 } 7993 } 7994 7995 @Override 7996 public void updatePackagesIfNeeded() { 7997 enforceSystemOrRoot("Only the system can request package update"); 7998 7999 // We need to re-extract after an OTA. 8000 boolean causeUpgrade = isUpgrade(); 8001 8002 // First boot or factory reset. 8003 // Note: we also handle devices that are upgrading to N right now as if it is their 8004 // first boot, as they do not have profile data. 8005 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8006 8007 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8008 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8009 8010 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8011 return; 8012 } 8013 8014 List<PackageParser.Package> pkgs; 8015 synchronized (mPackages) { 8016 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8017 } 8018 8019 final long startTime = System.nanoTime(); 8020 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8021 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 8022 8023 final int elapsedTimeSeconds = 8024 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8025 8026 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8027 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8028 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8029 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8030 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8031 } 8032 8033 /** 8034 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8035 * containing statistics about the invocation. The array consists of three elements, 8036 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8037 * and {@code numberOfPackagesFailed}. 8038 */ 8039 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8040 String compilerFilter) { 8041 8042 int numberOfPackagesVisited = 0; 8043 int numberOfPackagesOptimized = 0; 8044 int numberOfPackagesSkipped = 0; 8045 int numberOfPackagesFailed = 0; 8046 final int numberOfPackagesToDexopt = pkgs.size(); 8047 8048 for (PackageParser.Package pkg : pkgs) { 8049 numberOfPackagesVisited++; 8050 8051 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8052 if (DEBUG_DEXOPT) { 8053 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8054 } 8055 numberOfPackagesSkipped++; 8056 continue; 8057 } 8058 8059 if (DEBUG_DEXOPT) { 8060 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8061 numberOfPackagesToDexopt + ": " + pkg.packageName); 8062 } 8063 8064 if (showDialog) { 8065 try { 8066 ActivityManager.getService().showBootMessage( 8067 mContext.getResources().getString(R.string.android_upgrading_apk, 8068 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8069 } catch (RemoteException e) { 8070 } 8071 synchronized (mPackages) { 8072 mDexOptDialogShown = true; 8073 } 8074 } 8075 8076 // If the OTA updates a system app which was previously preopted to a non-preopted state 8077 // the app might end up being verified at runtime. That's because by default the apps 8078 // are verify-profile but for preopted apps there's no profile. 8079 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 8080 // that before the OTA the app was preopted) the app gets compiled with a non-profile 8081 // filter (by default interpret-only). 8082 // Note that at this stage unused apps are already filtered. 8083 if (isSystemApp(pkg) && 8084 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 8085 !Environment.getReferenceProfile(pkg.packageName).exists()) { 8086 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 8087 } 8088 8089 // checkProfiles is false to avoid merging profiles during boot which 8090 // might interfere with background compilation (b/28612421). 8091 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8092 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8093 // trade-off worth doing to save boot time work. 8094 int dexOptStatus = performDexOptTraced(pkg.packageName, 8095 false /* checkProfiles */, 8096 compilerFilter, 8097 false /* force */); 8098 switch (dexOptStatus) { 8099 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8100 numberOfPackagesOptimized++; 8101 break; 8102 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8103 numberOfPackagesSkipped++; 8104 break; 8105 case PackageDexOptimizer.DEX_OPT_FAILED: 8106 numberOfPackagesFailed++; 8107 break; 8108 default: 8109 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 8110 break; 8111 } 8112 } 8113 8114 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8115 numberOfPackagesFailed }; 8116 } 8117 8118 @Override 8119 public void notifyPackageUse(String packageName, int reason) { 8120 synchronized (mPackages) { 8121 PackageParser.Package p = mPackages.get(packageName); 8122 if (p == null) { 8123 return; 8124 } 8125 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8126 } 8127 } 8128 8129 @Override 8130 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 8131 int userId = UserHandle.getCallingUserId(); 8132 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8133 if (ai == null) { 8134 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8135 + loadingPackageName + ", user=" + userId); 8136 return; 8137 } 8138 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 8139 } 8140 8141 // TODO: this is not used nor needed. Delete it. 8142 @Override 8143 public boolean performDexOptIfNeeded(String packageName) { 8144 int dexOptStatus = performDexOptTraced(packageName, 8145 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 8146 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8147 } 8148 8149 @Override 8150 public boolean performDexOpt(String packageName, 8151 boolean checkProfiles, int compileReason, boolean force) { 8152 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8153 getCompilerFilterForReason(compileReason), force); 8154 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8155 } 8156 8157 @Override 8158 public boolean performDexOptMode(String packageName, 8159 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8160 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8161 targetCompilerFilter, force); 8162 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8163 } 8164 8165 private int performDexOptTraced(String packageName, 8166 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8167 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8168 try { 8169 return performDexOptInternal(packageName, checkProfiles, 8170 targetCompilerFilter, force); 8171 } finally { 8172 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8173 } 8174 } 8175 8176 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 8177 // if the package can now be considered up to date for the given filter. 8178 private int performDexOptInternal(String packageName, 8179 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8180 PackageParser.Package p; 8181 synchronized (mPackages) { 8182 p = mPackages.get(packageName); 8183 if (p == null) { 8184 // Package could not be found. Report failure. 8185 return PackageDexOptimizer.DEX_OPT_FAILED; 8186 } 8187 mPackageUsage.maybeWriteAsync(mPackages); 8188 mCompilerStats.maybeWriteAsync(); 8189 } 8190 long callingId = Binder.clearCallingIdentity(); 8191 try { 8192 synchronized (mInstallLock) { 8193 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 8194 targetCompilerFilter, force); 8195 } 8196 } finally { 8197 Binder.restoreCallingIdentity(callingId); 8198 } 8199 } 8200 8201 public ArraySet<String> getOptimizablePackages() { 8202 ArraySet<String> pkgs = new ArraySet<String>(); 8203 synchronized (mPackages) { 8204 for (PackageParser.Package p : mPackages.values()) { 8205 if (PackageDexOptimizer.canOptimizePackage(p)) { 8206 pkgs.add(p.packageName); 8207 } 8208 } 8209 } 8210 return pkgs; 8211 } 8212 8213 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 8214 boolean checkProfiles, String targetCompilerFilter, 8215 boolean force) { 8216 // Select the dex optimizer based on the force parameter. 8217 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 8218 // allocate an object here. 8219 PackageDexOptimizer pdo = force 8220 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 8221 : mPackageDexOptimizer; 8222 8223 // Optimize all dependencies first. Note: we ignore the return value and march on 8224 // on errors. 8225 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 8226 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 8227 if (!deps.isEmpty()) { 8228 for (PackageParser.Package depPackage : deps) { 8229 // TODO: Analyze and investigate if we (should) profile libraries. 8230 // Currently this will do a full compilation of the library by default. 8231 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 8232 false /* checkProfiles */, 8233 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 8234 getOrCreateCompilerPackageStats(depPackage)); 8235 } 8236 } 8237 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 8238 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 8239 } 8240 8241 // Performs dexopt on the used secondary dex files belonging to the given package. 8242 // Returns true if all dex files were process successfully (which could mean either dexopt or 8243 // skip). Returns false if any of the files caused errors. 8244 @Override 8245 public boolean performDexOptSecondary(String packageName, String compilerFilter, 8246 boolean force) { 8247 return mDexManager.dexoptSecondaryDex(packageName, compilerFilter, force); 8248 } 8249 8250 /** 8251 * Reconcile the information we have about the secondary dex files belonging to 8252 * {@code packagName} and the actual dex files. For all dex files that were 8253 * deleted, update the internal records and delete the generated oat files. 8254 */ 8255 @Override 8256 public void reconcileSecondaryDexFiles(String packageName) { 8257 mDexManager.reconcileSecondaryDexFiles(packageName); 8258 } 8259 8260 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 8261 // a reference there. 8262 /*package*/ DexManager getDexManager() { 8263 return mDexManager; 8264 } 8265 8266 /** 8267 * Execute the background dexopt job immediately. 8268 */ 8269 @Override 8270 public boolean runBackgroundDexoptJob() { 8271 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext); 8272 } 8273 8274 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 8275 if (p.usesLibraries != null || p.usesOptionalLibraries != null 8276 || p.usesStaticLibraries != null) { 8277 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 8278 Set<String> collectedNames = new HashSet<>(); 8279 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 8280 8281 retValue.remove(p); 8282 8283 return retValue; 8284 } else { 8285 return Collections.emptyList(); 8286 } 8287 } 8288 8289 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 8290 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8291 if (!collectedNames.contains(p.packageName)) { 8292 collectedNames.add(p.packageName); 8293 collected.add(p); 8294 8295 if (p.usesLibraries != null) { 8296 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 8297 null, collected, collectedNames); 8298 } 8299 if (p.usesOptionalLibraries != null) { 8300 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 8301 null, collected, collectedNames); 8302 } 8303 if (p.usesStaticLibraries != null) { 8304 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 8305 p.usesStaticLibrariesVersions, collected, collectedNames); 8306 } 8307 } 8308 } 8309 8310 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 8311 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8312 final int libNameCount = libs.size(); 8313 for (int i = 0; i < libNameCount; i++) { 8314 String libName = libs.get(i); 8315 int version = (versions != null && versions.length == libNameCount) 8316 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 8317 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 8318 if (libPkg != null) { 8319 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 8320 } 8321 } 8322 } 8323 8324 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 8325 synchronized (mPackages) { 8326 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 8327 if (libEntry != null) { 8328 return mPackages.get(libEntry.apk); 8329 } 8330 return null; 8331 } 8332 } 8333 8334 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 8335 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 8336 if (versionedLib == null) { 8337 return null; 8338 } 8339 return versionedLib.get(version); 8340 } 8341 8342 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 8343 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 8344 pkg.staticSharedLibName); 8345 if (versionedLib == null) { 8346 return null; 8347 } 8348 int previousLibVersion = -1; 8349 final int versionCount = versionedLib.size(); 8350 for (int i = 0; i < versionCount; i++) { 8351 final int libVersion = versionedLib.keyAt(i); 8352 if (libVersion < pkg.staticSharedLibVersion) { 8353 previousLibVersion = Math.max(previousLibVersion, libVersion); 8354 } 8355 } 8356 if (previousLibVersion >= 0) { 8357 return versionedLib.get(previousLibVersion); 8358 } 8359 return null; 8360 } 8361 8362 public void shutdown() { 8363 mPackageUsage.writeNow(mPackages); 8364 mCompilerStats.writeNow(); 8365 } 8366 8367 @Override 8368 public void dumpProfiles(String packageName) { 8369 PackageParser.Package pkg; 8370 synchronized (mPackages) { 8371 pkg = mPackages.get(packageName); 8372 if (pkg == null) { 8373 throw new IllegalArgumentException("Unknown package: " + packageName); 8374 } 8375 } 8376 /* Only the shell, root, or the app user should be able to dump profiles. */ 8377 int callingUid = Binder.getCallingUid(); 8378 if (callingUid != Process.SHELL_UID && 8379 callingUid != Process.ROOT_UID && 8380 callingUid != pkg.applicationInfo.uid) { 8381 throw new SecurityException("dumpProfiles"); 8382 } 8383 8384 synchronized (mInstallLock) { 8385 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 8386 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 8387 try { 8388 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 8389 String codePaths = TextUtils.join(";", allCodePaths); 8390 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 8391 } catch (InstallerException e) { 8392 Slog.w(TAG, "Failed to dump profiles", e); 8393 } 8394 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8395 } 8396 } 8397 8398 @Override 8399 public void forceDexOpt(String packageName) { 8400 enforceSystemOrRoot("forceDexOpt"); 8401 8402 PackageParser.Package pkg; 8403 synchronized (mPackages) { 8404 pkg = mPackages.get(packageName); 8405 if (pkg == null) { 8406 throw new IllegalArgumentException("Unknown package: " + packageName); 8407 } 8408 } 8409 8410 synchronized (mInstallLock) { 8411 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8412 8413 // Whoever is calling forceDexOpt wants a fully compiled package. 8414 // Don't use profiles since that may cause compilation to be skipped. 8415 final int res = performDexOptInternalWithDependenciesLI(pkg, 8416 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 8417 true /* force */); 8418 8419 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8420 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 8421 throw new IllegalStateException("Failed to dexopt: " + res); 8422 } 8423 } 8424 } 8425 8426 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 8427 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 8428 Slog.w(TAG, "Unable to update from " + oldPkg.name 8429 + " to " + newPkg.packageName 8430 + ": old package not in system partition"); 8431 return false; 8432 } else if (mPackages.get(oldPkg.name) != null) { 8433 Slog.w(TAG, "Unable to update from " + oldPkg.name 8434 + " to " + newPkg.packageName 8435 + ": old package still exists"); 8436 return false; 8437 } 8438 return true; 8439 } 8440 8441 void removeCodePathLI(File codePath) { 8442 if (codePath.isDirectory()) { 8443 try { 8444 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8445 } catch (InstallerException e) { 8446 Slog.w(TAG, "Failed to remove code path", e); 8447 } 8448 } else { 8449 codePath.delete(); 8450 } 8451 } 8452 8453 private int[] resolveUserIds(int userId) { 8454 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8455 } 8456 8457 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8458 if (pkg == null) { 8459 Slog.wtf(TAG, "Package was null!", new Throwable()); 8460 return; 8461 } 8462 clearAppDataLeafLIF(pkg, userId, flags); 8463 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8464 for (int i = 0; i < childCount; i++) { 8465 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8466 } 8467 } 8468 8469 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8470 final PackageSetting ps; 8471 synchronized (mPackages) { 8472 ps = mSettings.mPackages.get(pkg.packageName); 8473 } 8474 for (int realUserId : resolveUserIds(userId)) { 8475 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8476 try { 8477 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8478 ceDataInode); 8479 } catch (InstallerException e) { 8480 Slog.w(TAG, String.valueOf(e)); 8481 } 8482 } 8483 } 8484 8485 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8486 if (pkg == null) { 8487 Slog.wtf(TAG, "Package was null!", new Throwable()); 8488 return; 8489 } 8490 destroyAppDataLeafLIF(pkg, userId, flags); 8491 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8492 for (int i = 0; i < childCount; i++) { 8493 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8494 } 8495 } 8496 8497 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8498 final PackageSetting ps; 8499 synchronized (mPackages) { 8500 ps = mSettings.mPackages.get(pkg.packageName); 8501 } 8502 for (int realUserId : resolveUserIds(userId)) { 8503 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8504 try { 8505 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8506 ceDataInode); 8507 } catch (InstallerException e) { 8508 Slog.w(TAG, String.valueOf(e)); 8509 } 8510 } 8511 } 8512 8513 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8514 if (pkg == null) { 8515 Slog.wtf(TAG, "Package was null!", new Throwable()); 8516 return; 8517 } 8518 destroyAppProfilesLeafLIF(pkg); 8519 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 8520 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8521 for (int i = 0; i < childCount; i++) { 8522 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8523 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 8524 true /* removeBaseMarker */); 8525 } 8526 } 8527 8528 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 8529 boolean removeBaseMarker) { 8530 if (pkg.isForwardLocked()) { 8531 return; 8532 } 8533 8534 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 8535 try { 8536 path = PackageManagerServiceUtils.realpath(new File(path)); 8537 } catch (IOException e) { 8538 // TODO: Should we return early here ? 8539 Slog.w(TAG, "Failed to get canonical path", e); 8540 continue; 8541 } 8542 8543 final String useMarker = path.replace('/', '@'); 8544 for (int realUserId : resolveUserIds(userId)) { 8545 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 8546 if (removeBaseMarker) { 8547 File foreignUseMark = new File(profileDir, useMarker); 8548 if (foreignUseMark.exists()) { 8549 if (!foreignUseMark.delete()) { 8550 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8551 + pkg.packageName); 8552 } 8553 } 8554 } 8555 8556 File[] markers = profileDir.listFiles(); 8557 if (markers != null) { 8558 final String searchString = "@" + pkg.packageName + "@"; 8559 // We also delete all markers that contain the package name we're 8560 // uninstalling. These are associated with secondary dex-files belonging 8561 // to the package. Reconstructing the path of these dex files is messy 8562 // in general. 8563 for (File marker : markers) { 8564 if (marker.getName().indexOf(searchString) > 0) { 8565 if (!marker.delete()) { 8566 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8567 + pkg.packageName); 8568 } 8569 } 8570 } 8571 } 8572 } 8573 } 8574 } 8575 8576 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8577 try { 8578 mInstaller.destroyAppProfiles(pkg.packageName); 8579 } catch (InstallerException e) { 8580 Slog.w(TAG, String.valueOf(e)); 8581 } 8582 } 8583 8584 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8585 if (pkg == null) { 8586 Slog.wtf(TAG, "Package was null!", new Throwable()); 8587 return; 8588 } 8589 clearAppProfilesLeafLIF(pkg); 8590 // We don't remove the base foreign use marker when clearing profiles because 8591 // we will rename it when the app is updated. Unlike the actual profile contents, 8592 // the foreign use marker is good across installs. 8593 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 8594 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8595 for (int i = 0; i < childCount; i++) { 8596 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8597 } 8598 } 8599 8600 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8601 try { 8602 mInstaller.clearAppProfiles(pkg.packageName); 8603 } catch (InstallerException e) { 8604 Slog.w(TAG, String.valueOf(e)); 8605 } 8606 } 8607 8608 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 8609 long lastUpdateTime) { 8610 // Set parent install/update time 8611 PackageSetting ps = (PackageSetting) pkg.mExtras; 8612 if (ps != null) { 8613 ps.firstInstallTime = firstInstallTime; 8614 ps.lastUpdateTime = lastUpdateTime; 8615 } 8616 // Set children install/update time 8617 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8618 for (int i = 0; i < childCount; i++) { 8619 PackageParser.Package childPkg = pkg.childPackages.get(i); 8620 ps = (PackageSetting) childPkg.mExtras; 8621 if (ps != null) { 8622 ps.firstInstallTime = firstInstallTime; 8623 ps.lastUpdateTime = lastUpdateTime; 8624 } 8625 } 8626 } 8627 8628 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 8629 PackageParser.Package changingLib) { 8630 if (file.path != null) { 8631 usesLibraryFiles.add(file.path); 8632 return; 8633 } 8634 PackageParser.Package p = mPackages.get(file.apk); 8635 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 8636 // If we are doing this while in the middle of updating a library apk, 8637 // then we need to make sure to use that new apk for determining the 8638 // dependencies here. (We haven't yet finished committing the new apk 8639 // to the package manager state.) 8640 if (p == null || p.packageName.equals(changingLib.packageName)) { 8641 p = changingLib; 8642 } 8643 } 8644 if (p != null) { 8645 usesLibraryFiles.addAll(p.getAllCodePaths()); 8646 } 8647 } 8648 8649 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 8650 PackageParser.Package changingLib) throws PackageManagerException { 8651 if (pkg == null) { 8652 return; 8653 } 8654 ArraySet<String> usesLibraryFiles = null; 8655 if (pkg.usesLibraries != null) { 8656 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 8657 null, null, pkg.packageName, changingLib, true, null); 8658 } 8659 if (pkg.usesStaticLibraries != null) { 8660 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 8661 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 8662 pkg.packageName, changingLib, true, usesLibraryFiles); 8663 } 8664 if (pkg.usesOptionalLibraries != null) { 8665 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 8666 null, null, pkg.packageName, changingLib, false, usesLibraryFiles); 8667 } 8668 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 8669 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 8670 } else { 8671 pkg.usesLibraryFiles = null; 8672 } 8673 } 8674 8675 private ArraySet<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 8676 @Nullable int[] requiredVersions, @Nullable String[] requiredCertDigests, 8677 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 8678 boolean required, @Nullable ArraySet<String> outUsedLibraries) 8679 throws PackageManagerException { 8680 final int libCount = requestedLibraries.size(); 8681 for (int i = 0; i < libCount; i++) { 8682 final String libName = requestedLibraries.get(i); 8683 final int libVersion = requiredVersions != null ? requiredVersions[i] 8684 : SharedLibraryInfo.VERSION_UNDEFINED; 8685 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 8686 if (libEntry == null) { 8687 if (required) { 8688 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8689 "Package " + packageName + " requires unavailable shared library " 8690 + libName + "; failing!"); 8691 } else { 8692 Slog.w(TAG, "Package " + packageName 8693 + " desires unavailable shared library " 8694 + libName + "; ignoring!"); 8695 } 8696 } else { 8697 if (requiredVersions != null && requiredCertDigests != null) { 8698 if (libEntry.info.getVersion() != requiredVersions[i]) { 8699 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8700 "Package " + packageName + " requires unavailable static shared" 8701 + " library " + libName + " version " 8702 + libEntry.info.getVersion() + "; failing!"); 8703 } 8704 8705 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 8706 if (libPkg == null) { 8707 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8708 "Package " + packageName + " requires unavailable static shared" 8709 + " library; failing!"); 8710 } 8711 8712 String expectedCertDigest = requiredCertDigests[i]; 8713 String libCertDigest = PackageUtils.computeCertSha256Digest( 8714 libPkg.mSignatures[0]); 8715 if (!libCertDigest.equalsIgnoreCase(expectedCertDigest)) { 8716 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8717 "Package " + packageName + " requires differently signed" + 8718 " static shared library; failing!"); 8719 } 8720 } 8721 8722 if (outUsedLibraries == null) { 8723 outUsedLibraries = new ArraySet<>(); 8724 } 8725 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 8726 } 8727 } 8728 return outUsedLibraries; 8729 } 8730 8731 private static boolean hasString(List<String> list, List<String> which) { 8732 if (list == null) { 8733 return false; 8734 } 8735 for (int i=list.size()-1; i>=0; i--) { 8736 for (int j=which.size()-1; j>=0; j--) { 8737 if (which.get(j).equals(list.get(i))) { 8738 return true; 8739 } 8740 } 8741 } 8742 return false; 8743 } 8744 8745 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8746 PackageParser.Package changingPkg) { 8747 ArrayList<PackageParser.Package> res = null; 8748 for (PackageParser.Package pkg : mPackages.values()) { 8749 if (changingPkg != null 8750 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 8751 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 8752 && !ArrayUtils.contains(pkg.usesStaticLibraries, 8753 changingPkg.staticSharedLibName)) { 8754 return null; 8755 } 8756 if (res == null) { 8757 res = new ArrayList<>(); 8758 } 8759 res.add(pkg); 8760 try { 8761 updateSharedLibrariesLPr(pkg, changingPkg); 8762 } catch (PackageManagerException e) { 8763 // If a system app update or an app and a required lib missing we 8764 // delete the package and for updated system apps keep the data as 8765 // it is better for the user to reinstall than to be in an limbo 8766 // state. Also libs disappearing under an app should never happen 8767 // - just in case. 8768 if (!pkg.isSystemApp() || pkg.isUpdatedSystemApp()) { 8769 final int flags = pkg.isUpdatedSystemApp() 8770 ? PackageManager.DELETE_KEEP_DATA : 0; 8771 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 8772 flags , null, true, null); 8773 } 8774 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8775 } 8776 } 8777 return res; 8778 } 8779 8780 /** 8781 * Derive the value of the {@code cpuAbiOverride} based on the provided 8782 * value and an optional stored value from the package settings. 8783 */ 8784 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8785 String cpuAbiOverride = null; 8786 8787 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8788 cpuAbiOverride = null; 8789 } else if (abiOverride != null) { 8790 cpuAbiOverride = abiOverride; 8791 } else if (settings != null) { 8792 cpuAbiOverride = settings.cpuAbiOverrideString; 8793 } 8794 8795 return cpuAbiOverride; 8796 } 8797 8798 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8799 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 8800 throws PackageManagerException { 8801 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8802 // If the package has children and this is the first dive in the function 8803 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 8804 // whether all packages (parent and children) would be successfully scanned 8805 // before the actual scan since scanning mutates internal state and we want 8806 // to atomically install the package and its children. 8807 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8808 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8809 scanFlags |= SCAN_CHECK_ONLY; 8810 } 8811 } else { 8812 scanFlags &= ~SCAN_CHECK_ONLY; 8813 } 8814 8815 final PackageParser.Package scannedPkg; 8816 try { 8817 // Scan the parent 8818 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 8819 // Scan the children 8820 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8821 for (int i = 0; i < childCount; i++) { 8822 PackageParser.Package childPkg = pkg.childPackages.get(i); 8823 scanPackageLI(childPkg, policyFlags, 8824 scanFlags, currentTime, user); 8825 } 8826 } finally { 8827 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8828 } 8829 8830 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8831 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 8832 } 8833 8834 return scannedPkg; 8835 } 8836 8837 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 8838 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8839 boolean success = false; 8840 try { 8841 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 8842 currentTime, user); 8843 success = true; 8844 return res; 8845 } finally { 8846 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 8847 // DELETE_DATA_ON_FAILURES is only used by frozen paths 8848 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 8849 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 8850 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 8851 } 8852 } 8853 } 8854 8855 /** 8856 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 8857 */ 8858 private static boolean apkHasCode(String fileName) { 8859 StrictJarFile jarFile = null; 8860 try { 8861 jarFile = new StrictJarFile(fileName, 8862 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8863 return jarFile.findEntry("classes.dex") != null; 8864 } catch (IOException ignore) { 8865 } finally { 8866 try { 8867 if (jarFile != null) { 8868 jarFile.close(); 8869 } 8870 } catch (IOException ignore) {} 8871 } 8872 return false; 8873 } 8874 8875 /** 8876 * Enforces code policy for the package. This ensures that if an APK has 8877 * declared hasCode="true" in its manifest that the APK actually contains 8878 * code. 8879 * 8880 * @throws PackageManagerException If bytecode could not be found when it should exist 8881 */ 8882 private static void assertCodePolicy(PackageParser.Package pkg) 8883 throws PackageManagerException { 8884 final boolean shouldHaveCode = 8885 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8886 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8887 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8888 "Package " + pkg.baseCodePath + " code is missing"); 8889 } 8890 8891 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8892 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8893 final boolean splitShouldHaveCode = 8894 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8895 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8896 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8897 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8898 } 8899 } 8900 } 8901 } 8902 8903 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8904 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8905 throws PackageManagerException { 8906 if (DEBUG_PACKAGE_SCANNING) { 8907 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8908 Log.d(TAG, "Scanning package " + pkg.packageName); 8909 } 8910 8911 applyPolicy(pkg, policyFlags); 8912 8913 assertPackageIsValid(pkg, policyFlags, scanFlags); 8914 8915 // Initialize package source and resource directories 8916 final File scanFile = new File(pkg.codePath); 8917 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8918 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8919 8920 SharedUserSetting suid = null; 8921 PackageSetting pkgSetting = null; 8922 8923 // Getting the package setting may have a side-effect, so if we 8924 // are only checking if scan would succeed, stash a copy of the 8925 // old setting to restore at the end. 8926 PackageSetting nonMutatedPs = null; 8927 8928 // We keep references to the derived CPU Abis from settings in oder to reuse 8929 // them in the case where we're not upgrading or booting for the first time. 8930 String primaryCpuAbiFromSettings = null; 8931 String secondaryCpuAbiFromSettings = null; 8932 8933 // writer 8934 synchronized (mPackages) { 8935 if (pkg.mSharedUserId != null) { 8936 // SIDE EFFECTS; may potentially allocate a new shared user 8937 suid = mSettings.getSharedUserLPw( 8938 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 8939 if (DEBUG_PACKAGE_SCANNING) { 8940 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8941 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8942 + "): packages=" + suid.packages); 8943 } 8944 } 8945 8946 // Check if we are renaming from an original package name. 8947 PackageSetting origPackage = null; 8948 String realName = null; 8949 if (pkg.mOriginalPackages != null) { 8950 // This package may need to be renamed to a previously 8951 // installed name. Let's check on that... 8952 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8953 if (pkg.mOriginalPackages.contains(renamed)) { 8954 // This package had originally been installed as the 8955 // original name, and we have already taken care of 8956 // transitioning to the new one. Just update the new 8957 // one to continue using the old name. 8958 realName = pkg.mRealPackage; 8959 if (!pkg.packageName.equals(renamed)) { 8960 // Callers into this function may have already taken 8961 // care of renaming the package; only do it here if 8962 // it is not already done. 8963 pkg.setPackageName(renamed); 8964 } 8965 } else { 8966 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8967 if ((origPackage = mSettings.getPackageLPr( 8968 pkg.mOriginalPackages.get(i))) != null) { 8969 // We do have the package already installed under its 8970 // original name... should we use it? 8971 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8972 // New package is not compatible with original. 8973 origPackage = null; 8974 continue; 8975 } else if (origPackage.sharedUser != null) { 8976 // Make sure uid is compatible between packages. 8977 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8978 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8979 + " to " + pkg.packageName + ": old uid " 8980 + origPackage.sharedUser.name 8981 + " differs from " + pkg.mSharedUserId); 8982 origPackage = null; 8983 continue; 8984 } 8985 // TODO: Add case when shared user id is added [b/28144775] 8986 } else { 8987 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8988 + pkg.packageName + " to old name " + origPackage.name); 8989 } 8990 break; 8991 } 8992 } 8993 } 8994 } 8995 8996 if (mTransferedPackages.contains(pkg.packageName)) { 8997 Slog.w(TAG, "Package " + pkg.packageName 8998 + " was transferred to another, but its .apk remains"); 8999 } 9000 9001 // See comments in nonMutatedPs declaration 9002 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9003 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9004 if (foundPs != null) { 9005 nonMutatedPs = new PackageSetting(foundPs); 9006 } 9007 } 9008 9009 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 9010 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9011 if (foundPs != null) { 9012 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 9013 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 9014 } 9015 } 9016 9017 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 9018 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 9019 PackageManagerService.reportSettingsProblem(Log.WARN, 9020 "Package " + pkg.packageName + " shared user changed from " 9021 + (pkgSetting.sharedUser != null 9022 ? pkgSetting.sharedUser.name : "<nothing>") 9023 + " to " 9024 + (suid != null ? suid.name : "<nothing>") 9025 + "; replacing with new"); 9026 pkgSetting = null; 9027 } 9028 final PackageSetting oldPkgSetting = 9029 pkgSetting == null ? null : new PackageSetting(pkgSetting); 9030 final PackageSetting disabledPkgSetting = 9031 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9032 9033 String[] usesStaticLibraries = null; 9034 if (pkg.usesStaticLibraries != null) { 9035 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 9036 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 9037 } 9038 9039 if (pkgSetting == null) { 9040 final String parentPackageName = (pkg.parentPackage != null) 9041 ? pkg.parentPackage.packageName : null; 9042 9043 // REMOVE SharedUserSetting from method; update in a separate call 9044 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 9045 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 9046 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 9047 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 9048 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 9049 true /*allowInstall*/, parentPackageName, pkg.getChildPackageNames(), 9050 UserManagerService.getInstance(), usesStaticLibraries, 9051 pkg.usesStaticLibrariesVersions); 9052 // SIDE EFFECTS; updates system state; move elsewhere 9053 if (origPackage != null) { 9054 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 9055 } 9056 mSettings.addUserToSettingLPw(pkgSetting); 9057 } else { 9058 // REMOVE SharedUserSetting from method; update in a separate call. 9059 // 9060 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 9061 // secondaryCpuAbi are not known at this point so we always update them 9062 // to null here, only to reset them at a later point. 9063 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 9064 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 9065 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 9066 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 9067 UserManagerService.getInstance(), usesStaticLibraries, 9068 pkg.usesStaticLibrariesVersions); 9069 } 9070 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 9071 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9072 9073 // SIDE EFFECTS; modifies system state; move elsewhere 9074 if (pkgSetting.origPackage != null) { 9075 // If we are first transitioning from an original package, 9076 // fix up the new package's name now. We need to do this after 9077 // looking up the package under its new name, so getPackageLP 9078 // can take care of fiddling things correctly. 9079 pkg.setPackageName(origPackage.name); 9080 9081 // File a report about this. 9082 String msg = "New package " + pkgSetting.realName 9083 + " renamed to replace old package " + pkgSetting.name; 9084 reportSettingsProblem(Log.WARN, msg); 9085 9086 // Make a note of it. 9087 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9088 mTransferedPackages.add(origPackage.name); 9089 } 9090 9091 // No longer need to retain this. 9092 pkgSetting.origPackage = null; 9093 } 9094 9095 // SIDE EFFECTS; modifies system state; move elsewhere 9096 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 9097 // Make a note of it. 9098 mTransferedPackages.add(pkg.packageName); 9099 } 9100 9101 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 9102 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9103 } 9104 9105 if ((scanFlags & SCAN_BOOTING) == 0 9106 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9107 // Check all shared libraries and map to their actual file path. 9108 // We only do this here for apps not on a system dir, because those 9109 // are the only ones that can fail an install due to this. We 9110 // will take care of the system apps by updating all of their 9111 // library paths after the scan is done. Also during the initial 9112 // scan don't update any libs as we do this wholesale after all 9113 // apps are scanned to avoid dependency based scanning. 9114 updateSharedLibrariesLPr(pkg, null); 9115 } 9116 9117 if (mFoundPolicyFile) { 9118 SELinuxMMAC.assignSeinfoValue(pkg); 9119 } 9120 9121 pkg.applicationInfo.uid = pkgSetting.appId; 9122 pkg.mExtras = pkgSetting; 9123 9124 9125 // Static shared libs have same package with different versions where 9126 // we internally use a synthetic package name to allow multiple versions 9127 // of the same package, therefore we need to compare signatures against 9128 // the package setting for the latest library version. 9129 PackageSetting signatureCheckPs = pkgSetting; 9130 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9131 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9132 if (libraryEntry != null) { 9133 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9134 } 9135 } 9136 9137 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 9138 if (checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 9139 // We just determined the app is signed correctly, so bring 9140 // over the latest parsed certs. 9141 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9142 } else { 9143 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9144 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9145 "Package " + pkg.packageName + " upgrade keys do not match the " 9146 + "previously installed version"); 9147 } else { 9148 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9149 String msg = "System package " + pkg.packageName 9150 + " signature changed; retaining data."; 9151 reportSettingsProblem(Log.WARN, msg); 9152 } 9153 } 9154 } else { 9155 try { 9156 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 9157 verifySignaturesLP(signatureCheckPs, pkg); 9158 // We just determined the app is signed correctly, so bring 9159 // over the latest parsed certs. 9160 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9161 } catch (PackageManagerException e) { 9162 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9163 throw e; 9164 } 9165 // The signature has changed, but this package is in the system 9166 // image... let's recover! 9167 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9168 // However... if this package is part of a shared user, but it 9169 // doesn't match the signature of the shared user, let's fail. 9170 // What this means is that you can't change the signatures 9171 // associated with an overall shared user, which doesn't seem all 9172 // that unreasonable. 9173 if (signatureCheckPs.sharedUser != null) { 9174 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9175 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9176 throw new PackageManagerException( 9177 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9178 "Signature mismatch for shared user: " 9179 + pkgSetting.sharedUser); 9180 } 9181 } 9182 // File a report about this. 9183 String msg = "System package " + pkg.packageName 9184 + " signature changed; retaining data."; 9185 reportSettingsProblem(Log.WARN, msg); 9186 } 9187 } 9188 9189 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9190 // This package wants to adopt ownership of permissions from 9191 // another package. 9192 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 9193 final String origName = pkg.mAdoptPermissions.get(i); 9194 final PackageSetting orig = mSettings.getPackageLPr(origName); 9195 if (orig != null) { 9196 if (verifyPackageUpdateLPr(orig, pkg)) { 9197 Slog.i(TAG, "Adopting permissions from " + origName + " to " 9198 + pkg.packageName); 9199 // SIDE EFFECTS; updates permissions system state; move elsewhere 9200 mSettings.transferPermissionsLPw(origName, pkg.packageName); 9201 } 9202 } 9203 } 9204 } 9205 } 9206 9207 pkg.applicationInfo.processName = fixProcessName( 9208 pkg.applicationInfo.packageName, 9209 pkg.applicationInfo.processName); 9210 9211 if (pkg != mPlatformPackage) { 9212 // Get all of our default paths setup 9213 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 9214 } 9215 9216 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 9217 9218 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 9219 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 9220 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 9221 derivePackageAbi( 9222 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 9223 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9224 9225 // Some system apps still use directory structure for native libraries 9226 // in which case we might end up not detecting abi solely based on apk 9227 // structure. Try to detect abi based on directory structure. 9228 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 9229 pkg.applicationInfo.primaryCpuAbi == null) { 9230 setBundledAppAbisAndRoots(pkg, pkgSetting); 9231 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9232 } 9233 } else { 9234 // This is not a first boot or an upgrade, don't bother deriving the 9235 // ABI during the scan. Instead, trust the value that was stored in the 9236 // package setting. 9237 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 9238 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 9239 9240 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9241 9242 if (DEBUG_ABI_SELECTION) { 9243 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 9244 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 9245 pkg.applicationInfo.secondaryCpuAbi); 9246 } 9247 } 9248 } else { 9249 if ((scanFlags & SCAN_MOVE) != 0) { 9250 // We haven't run dex-opt for this move (since we've moved the compiled output too) 9251 // but we already have this packages package info in the PackageSetting. We just 9252 // use that and derive the native library path based on the new codepath. 9253 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 9254 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 9255 } 9256 9257 // Set native library paths again. For moves, the path will be updated based on the 9258 // ABIs we've determined above. For non-moves, the path will be updated based on the 9259 // ABIs we determined during compilation, but the path will depend on the final 9260 // package path (after the rename away from the stage path). 9261 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9262 } 9263 9264 // This is a special case for the "system" package, where the ABI is 9265 // dictated by the zygote configuration (and init.rc). We should keep track 9266 // of this ABI so that we can deal with "normal" applications that run under 9267 // the same UID correctly. 9268 if (mPlatformPackage == pkg) { 9269 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 9270 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 9271 } 9272 9273 // If there's a mismatch between the abi-override in the package setting 9274 // and the abiOverride specified for the install. Warn about this because we 9275 // would've already compiled the app without taking the package setting into 9276 // account. 9277 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 9278 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 9279 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 9280 " for package " + pkg.packageName); 9281 } 9282 } 9283 9284 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9285 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9286 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 9287 9288 // Copy the derived override back to the parsed package, so that we can 9289 // update the package settings accordingly. 9290 pkg.cpuAbiOverride = cpuAbiOverride; 9291 9292 if (DEBUG_ABI_SELECTION) { 9293 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 9294 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 9295 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 9296 } 9297 9298 // Push the derived path down into PackageSettings so we know what to 9299 // clean up at uninstall time. 9300 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 9301 9302 if (DEBUG_ABI_SELECTION) { 9303 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 9304 " primary=" + pkg.applicationInfo.primaryCpuAbi + 9305 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 9306 } 9307 9308 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 9309 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 9310 // We don't do this here during boot because we can do it all 9311 // at once after scanning all existing packages. 9312 // 9313 // We also do this *before* we perform dexopt on this package, so that 9314 // we can avoid redundant dexopts, and also to make sure we've got the 9315 // code and package path correct. 9316 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 9317 } 9318 9319 if (mFactoryTest && pkg.requestedPermissions.contains( 9320 android.Manifest.permission.FACTORY_TEST)) { 9321 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 9322 } 9323 9324 if (isSystemApp(pkg)) { 9325 pkgSetting.isOrphaned = true; 9326 } 9327 9328 // Take care of first install / last update times. 9329 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 9330 if (currentTime != 0) { 9331 if (pkgSetting.firstInstallTime == 0) { 9332 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 9333 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 9334 pkgSetting.lastUpdateTime = currentTime; 9335 } 9336 } else if (pkgSetting.firstInstallTime == 0) { 9337 // We need *something*. Take time time stamp of the file. 9338 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 9339 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 9340 if (scanFileTime != pkgSetting.timeStamp) { 9341 // A package on the system image has changed; consider this 9342 // to be an update. 9343 pkgSetting.lastUpdateTime = scanFileTime; 9344 } 9345 } 9346 pkgSetting.setTimeStamp(scanFileTime); 9347 9348 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9349 if (nonMutatedPs != null) { 9350 synchronized (mPackages) { 9351 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 9352 } 9353 } 9354 } else { 9355 // Modify state for the given package setting 9356 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 9357 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 9358 if (isEphemeral(pkg)) { 9359 final int userId = user == null ? 0 : user.getIdentifier(); 9360 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 9361 } 9362 } 9363 return pkg; 9364 } 9365 9366 /** 9367 * Applies policy to the parsed package based upon the given policy flags. 9368 * Ensures the package is in a good state. 9369 * <p> 9370 * Implementation detail: This method must NOT have any side effect. It would 9371 * ideally be static, but, it requires locks to read system state. 9372 */ 9373 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 9374 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 9375 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 9376 if (pkg.applicationInfo.isDirectBootAware()) { 9377 // we're direct boot aware; set for all components 9378 for (PackageParser.Service s : pkg.services) { 9379 s.info.encryptionAware = s.info.directBootAware = true; 9380 } 9381 for (PackageParser.Provider p : pkg.providers) { 9382 p.info.encryptionAware = p.info.directBootAware = true; 9383 } 9384 for (PackageParser.Activity a : pkg.activities) { 9385 a.info.encryptionAware = a.info.directBootAware = true; 9386 } 9387 for (PackageParser.Activity r : pkg.receivers) { 9388 r.info.encryptionAware = r.info.directBootAware = true; 9389 } 9390 } 9391 } else { 9392 // Only allow system apps to be flagged as core apps. 9393 pkg.coreApp = false; 9394 // clear flags not applicable to regular apps 9395 pkg.applicationInfo.privateFlags &= 9396 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 9397 pkg.applicationInfo.privateFlags &= 9398 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 9399 } 9400 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 9401 9402 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 9403 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 9404 } 9405 9406 if (!isSystemApp(pkg)) { 9407 // Only system apps can use these features. 9408 pkg.mOriginalPackages = null; 9409 pkg.mRealPackage = null; 9410 pkg.mAdoptPermissions = null; 9411 } 9412 } 9413 9414 /** 9415 * Asserts the parsed package is valid according to the given policy. If the 9416 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 9417 * <p> 9418 * Implementation detail: This method must NOT have any side effects. It would 9419 * ideally be static, but, it requires locks to read system state. 9420 * 9421 * @throws PackageManagerException If the package fails any of the validation checks 9422 */ 9423 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 9424 throws PackageManagerException { 9425 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 9426 assertCodePolicy(pkg); 9427 } 9428 9429 if (pkg.applicationInfo.getCodePath() == null || 9430 pkg.applicationInfo.getResourcePath() == null) { 9431 // Bail out. The resource and code paths haven't been set. 9432 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9433 "Code and resource paths haven't been set correctly"); 9434 } 9435 9436 // Make sure we're not adding any bogus keyset info 9437 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9438 ksms.assertScannedPackageValid(pkg); 9439 9440 synchronized (mPackages) { 9441 // The special "android" package can only be defined once 9442 if (pkg.packageName.equals("android")) { 9443 if (mAndroidApplication != null) { 9444 Slog.w(TAG, "*************************************************"); 9445 Slog.w(TAG, "Core android package being redefined. Skipping."); 9446 Slog.w(TAG, " codePath=" + pkg.codePath); 9447 Slog.w(TAG, "*************************************************"); 9448 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9449 "Core android package being redefined. Skipping."); 9450 } 9451 } 9452 9453 // A package name must be unique; don't allow duplicates 9454 if (mPackages.containsKey(pkg.packageName)) { 9455 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9456 "Application package " + pkg.packageName 9457 + " already installed. Skipping duplicate."); 9458 } 9459 9460 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9461 // Static libs have a synthetic package name containing the version 9462 // but we still want the base name to be unique. 9463 if (mPackages.containsKey(pkg.manifestPackageName)) { 9464 throw new PackageManagerException( 9465 "Duplicate static shared lib provider package"); 9466 } 9467 9468 // Static shared libraries should have at least O target SDK 9469 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 9470 throw new PackageManagerException( 9471 "Packages declaring static-shared libs must target O SDK or higher"); 9472 } 9473 9474 // Package declaring static a shared lib cannot be ephemeral 9475 if (pkg.applicationInfo.isInstantApp()) { 9476 throw new PackageManagerException( 9477 "Packages declaring static-shared libs cannot be ephemeral"); 9478 } 9479 9480 // Package declaring static a shared lib cannot be renamed since the package 9481 // name is synthetic and apps can't code around package manager internals. 9482 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 9483 throw new PackageManagerException( 9484 "Packages declaring static-shared libs cannot be renamed"); 9485 } 9486 9487 // Package declaring static a shared lib cannot declare child packages 9488 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 9489 throw new PackageManagerException( 9490 "Packages declaring static-shared libs cannot have child packages"); 9491 } 9492 9493 // Package declaring static a shared lib cannot declare dynamic libs 9494 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 9495 throw new PackageManagerException( 9496 "Packages declaring static-shared libs cannot declare dynamic libs"); 9497 } 9498 9499 // Package declaring static a shared lib cannot declare shared users 9500 if (pkg.mSharedUserId != null) { 9501 throw new PackageManagerException( 9502 "Packages declaring static-shared libs cannot declare shared users"); 9503 } 9504 9505 // Static shared libs cannot declare activities 9506 if (!pkg.activities.isEmpty()) { 9507 throw new PackageManagerException( 9508 "Static shared libs cannot declare activities"); 9509 } 9510 9511 // Static shared libs cannot declare services 9512 if (!pkg.services.isEmpty()) { 9513 throw new PackageManagerException( 9514 "Static shared libs cannot declare services"); 9515 } 9516 9517 // Static shared libs cannot declare providers 9518 if (!pkg.providers.isEmpty()) { 9519 throw new PackageManagerException( 9520 "Static shared libs cannot declare content providers"); 9521 } 9522 9523 // Static shared libs cannot declare receivers 9524 if (!pkg.receivers.isEmpty()) { 9525 throw new PackageManagerException( 9526 "Static shared libs cannot declare broadcast receivers"); 9527 } 9528 9529 // Static shared libs cannot declare permission groups 9530 if (!pkg.permissionGroups.isEmpty()) { 9531 throw new PackageManagerException( 9532 "Static shared libs cannot declare permission groups"); 9533 } 9534 9535 // Static shared libs cannot declare permissions 9536 if (!pkg.permissions.isEmpty()) { 9537 throw new PackageManagerException( 9538 "Static shared libs cannot declare permissions"); 9539 } 9540 9541 // Static shared libs cannot declare protected broadcasts 9542 if (pkg.protectedBroadcasts != null) { 9543 throw new PackageManagerException( 9544 "Static shared libs cannot declare protected broadcasts"); 9545 } 9546 9547 // Static shared libs cannot be overlay targets 9548 if (pkg.mOverlayTarget != null) { 9549 throw new PackageManagerException( 9550 "Static shared libs cannot be overlay targets"); 9551 } 9552 9553 // The version codes must be ordered as lib versions 9554 int minVersionCode = Integer.MIN_VALUE; 9555 int maxVersionCode = Integer.MAX_VALUE; 9556 9557 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9558 pkg.staticSharedLibName); 9559 if (versionedLib != null) { 9560 final int versionCount = versionedLib.size(); 9561 for (int i = 0; i < versionCount; i++) { 9562 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 9563 // TODO: We will change version code to long, so in the new API it is long 9564 final int libVersionCode = (int) libInfo.getDeclaringPackage() 9565 .getVersionCode(); 9566 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 9567 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 9568 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 9569 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 9570 } else { 9571 minVersionCode = maxVersionCode = libVersionCode; 9572 break; 9573 } 9574 } 9575 } 9576 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 9577 throw new PackageManagerException("Static shared" 9578 + " lib version codes must be ordered as lib versions"); 9579 } 9580 } 9581 9582 // Only privileged apps and updated privileged apps can add child packages. 9583 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 9584 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 9585 throw new PackageManagerException("Only privileged apps can add child " 9586 + "packages. Ignoring package " + pkg.packageName); 9587 } 9588 final int childCount = pkg.childPackages.size(); 9589 for (int i = 0; i < childCount; i++) { 9590 PackageParser.Package childPkg = pkg.childPackages.get(i); 9591 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 9592 childPkg.packageName)) { 9593 throw new PackageManagerException("Can't override child of " 9594 + "another disabled app. Ignoring package " + pkg.packageName); 9595 } 9596 } 9597 } 9598 9599 // If we're only installing presumed-existing packages, require that the 9600 // scanned APK is both already known and at the path previously established 9601 // for it. Previously unknown packages we pick up normally, but if we have an 9602 // a priori expectation about this package's install presence, enforce it. 9603 // With a singular exception for new system packages. When an OTA contains 9604 // a new system package, we allow the codepath to change from a system location 9605 // to the user-installed location. If we don't allow this change, any newer, 9606 // user-installed version of the application will be ignored. 9607 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 9608 if (mExpectingBetter.containsKey(pkg.packageName)) { 9609 logCriticalInfo(Log.WARN, 9610 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 9611 } else { 9612 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 9613 if (known != null) { 9614 if (DEBUG_PACKAGE_SCANNING) { 9615 Log.d(TAG, "Examining " + pkg.codePath 9616 + " and requiring known paths " + known.codePathString 9617 + " & " + known.resourcePathString); 9618 } 9619 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 9620 || !pkg.applicationInfo.getResourcePath().equals( 9621 known.resourcePathString)) { 9622 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 9623 "Application package " + pkg.packageName 9624 + " found at " + pkg.applicationInfo.getCodePath() 9625 + " but expected at " + known.codePathString 9626 + "; ignoring."); 9627 } 9628 } 9629 } 9630 } 9631 9632 // Verify that this new package doesn't have any content providers 9633 // that conflict with existing packages. Only do this if the 9634 // package isn't already installed, since we don't want to break 9635 // things that are installed. 9636 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 9637 final int N = pkg.providers.size(); 9638 int i; 9639 for (i=0; i<N; i++) { 9640 PackageParser.Provider p = pkg.providers.get(i); 9641 if (p.info.authority != null) { 9642 String names[] = p.info.authority.split(";"); 9643 for (int j = 0; j < names.length; j++) { 9644 if (mProvidersByAuthority.containsKey(names[j])) { 9645 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9646 final String otherPackageName = 9647 ((other != null && other.getComponentName() != null) ? 9648 other.getComponentName().getPackageName() : "?"); 9649 throw new PackageManagerException( 9650 INSTALL_FAILED_CONFLICTING_PROVIDER, 9651 "Can't install because provider name " + names[j] 9652 + " (in package " + pkg.applicationInfo.packageName 9653 + ") is already used by " + otherPackageName); 9654 } 9655 } 9656 } 9657 } 9658 } 9659 } 9660 } 9661 9662 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 9663 int type, String declaringPackageName, int declaringVersionCode) { 9664 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9665 if (versionedLib == null) { 9666 versionedLib = new SparseArray<>(); 9667 mSharedLibraries.put(name, versionedLib); 9668 if (type == SharedLibraryInfo.TYPE_STATIC) { 9669 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 9670 } 9671 } else if (versionedLib.indexOfKey(version) >= 0) { 9672 return false; 9673 } 9674 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 9675 version, type, declaringPackageName, declaringVersionCode); 9676 versionedLib.put(version, libEntry); 9677 return true; 9678 } 9679 9680 private boolean removeSharedLibraryLPw(String name, int version) { 9681 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9682 if (versionedLib == null) { 9683 return false; 9684 } 9685 final int libIdx = versionedLib.indexOfKey(version); 9686 if (libIdx < 0) { 9687 return false; 9688 } 9689 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 9690 versionedLib.remove(version); 9691 if (versionedLib.size() <= 0) { 9692 mSharedLibraries.remove(name); 9693 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 9694 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 9695 .getPackageName()); 9696 } 9697 } 9698 return true; 9699 } 9700 9701 /** 9702 * Adds a scanned package to the system. When this method is finished, the package will 9703 * be available for query, resolution, etc... 9704 */ 9705 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 9706 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 9707 final String pkgName = pkg.packageName; 9708 if (mCustomResolverComponentName != null && 9709 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 9710 setUpCustomResolverActivity(pkg); 9711 } 9712 9713 if (pkg.packageName.equals("android")) { 9714 synchronized (mPackages) { 9715 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9716 // Set up information for our fall-back user intent resolution activity. 9717 mPlatformPackage = pkg; 9718 pkg.mVersionCode = mSdkVersion; 9719 mAndroidApplication = pkg.applicationInfo; 9720 9721 if (!mResolverReplaced) { 9722 mResolveActivity.applicationInfo = mAndroidApplication; 9723 mResolveActivity.name = ResolverActivity.class.getName(); 9724 mResolveActivity.packageName = mAndroidApplication.packageName; 9725 mResolveActivity.processName = "system:ui"; 9726 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9727 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 9728 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 9729 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 9730 mResolveActivity.exported = true; 9731 mResolveActivity.enabled = true; 9732 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 9733 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 9734 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 9735 | ActivityInfo.CONFIG_SCREEN_LAYOUT 9736 | ActivityInfo.CONFIG_ORIENTATION 9737 | ActivityInfo.CONFIG_KEYBOARD 9738 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 9739 mResolveInfo.activityInfo = mResolveActivity; 9740 mResolveInfo.priority = 0; 9741 mResolveInfo.preferredOrder = 0; 9742 mResolveInfo.match = 0; 9743 mResolveComponentName = new ComponentName( 9744 mAndroidApplication.packageName, mResolveActivity.name); 9745 } 9746 } 9747 } 9748 } 9749 9750 ArrayList<PackageParser.Package> clientLibPkgs = null; 9751 // writer 9752 synchronized (mPackages) { 9753 boolean hasStaticSharedLibs = false; 9754 9755 // Any app can add new static shared libraries 9756 if (pkg.staticSharedLibName != null) { 9757 // Static shared libs don't allow renaming as they have synthetic package 9758 // names to allow install of multiple versions, so use name from manifest. 9759 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 9760 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 9761 pkg.manifestPackageName, pkg.mVersionCode)) { 9762 hasStaticSharedLibs = true; 9763 } else { 9764 Slog.w(TAG, "Package " + pkg.packageName + " library " 9765 + pkg.staticSharedLibName + " already exists; skipping"); 9766 } 9767 // Static shared libs cannot be updated once installed since they 9768 // use synthetic package name which includes the version code, so 9769 // not need to update other packages's shared lib dependencies. 9770 } 9771 9772 if (!hasStaticSharedLibs 9773 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 9774 // Only system apps can add new dynamic shared libraries. 9775 if (pkg.libraryNames != null) { 9776 for (int i = 0; i < pkg.libraryNames.size(); i++) { 9777 String name = pkg.libraryNames.get(i); 9778 boolean allowed = false; 9779 if (pkg.isUpdatedSystemApp()) { 9780 // New library entries can only be added through the 9781 // system image. This is important to get rid of a lot 9782 // of nasty edge cases: for example if we allowed a non- 9783 // system update of the app to add a library, then uninstalling 9784 // the update would make the library go away, and assumptions 9785 // we made such as through app install filtering would now 9786 // have allowed apps on the device which aren't compatible 9787 // with it. Better to just have the restriction here, be 9788 // conservative, and create many fewer cases that can negatively 9789 // impact the user experience. 9790 final PackageSetting sysPs = mSettings 9791 .getDisabledSystemPkgLPr(pkg.packageName); 9792 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 9793 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 9794 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 9795 allowed = true; 9796 break; 9797 } 9798 } 9799 } 9800 } else { 9801 allowed = true; 9802 } 9803 if (allowed) { 9804 if (!addSharedLibraryLPw(null, pkg.packageName, name, 9805 SharedLibraryInfo.VERSION_UNDEFINED, 9806 SharedLibraryInfo.TYPE_DYNAMIC, 9807 pkg.packageName, pkg.mVersionCode)) { 9808 Slog.w(TAG, "Package " + pkg.packageName + " library " 9809 + name + " already exists; skipping"); 9810 } 9811 } else { 9812 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 9813 + name + " that is not declared on system image; skipping"); 9814 } 9815 } 9816 9817 if ((scanFlags & SCAN_BOOTING) == 0) { 9818 // If we are not booting, we need to update any applications 9819 // that are clients of our shared library. If we are booting, 9820 // this will all be done once the scan is complete. 9821 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 9822 } 9823 } 9824 } 9825 } 9826 9827 if ((scanFlags & SCAN_BOOTING) != 0) { 9828 // No apps can run during boot scan, so they don't need to be frozen 9829 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 9830 // Caller asked to not kill app, so it's probably not frozen 9831 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 9832 // Caller asked us to ignore frozen check for some reason; they 9833 // probably didn't know the package name 9834 } else { 9835 // We're doing major surgery on this package, so it better be frozen 9836 // right now to keep it from launching 9837 checkPackageFrozen(pkgName); 9838 } 9839 9840 // Also need to kill any apps that are dependent on the library. 9841 if (clientLibPkgs != null) { 9842 for (int i=0; i<clientLibPkgs.size(); i++) { 9843 PackageParser.Package clientPkg = clientLibPkgs.get(i); 9844 killApplication(clientPkg.applicationInfo.packageName, 9845 clientPkg.applicationInfo.uid, "update lib"); 9846 } 9847 } 9848 9849 // writer 9850 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 9851 9852 boolean createIdmapFailed = false; 9853 synchronized (mPackages) { 9854 // We don't expect installation to fail beyond this point 9855 9856 if (pkgSetting.pkg != null) { 9857 // Note that |user| might be null during the initial boot scan. If a codePath 9858 // for an app has changed during a boot scan, it's due to an app update that's 9859 // part of the system partition and marker changes must be applied to all users. 9860 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 9861 final int[] userIds = resolveUserIds(userId); 9862 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 9863 } 9864 9865 // Add the new setting to mSettings 9866 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 9867 // Add the new setting to mPackages 9868 mPackages.put(pkg.applicationInfo.packageName, pkg); 9869 // Make sure we don't accidentally delete its data. 9870 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 9871 while (iter.hasNext()) { 9872 PackageCleanItem item = iter.next(); 9873 if (pkgName.equals(item.packageName)) { 9874 iter.remove(); 9875 } 9876 } 9877 9878 // Add the package's KeySets to the global KeySetManagerService 9879 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9880 ksms.addScannedPackageLPw(pkg); 9881 9882 int N = pkg.providers.size(); 9883 StringBuilder r = null; 9884 int i; 9885 for (i=0; i<N; i++) { 9886 PackageParser.Provider p = pkg.providers.get(i); 9887 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 9888 p.info.processName); 9889 mProviders.addProvider(p); 9890 p.syncable = p.info.isSyncable; 9891 if (p.info.authority != null) { 9892 String names[] = p.info.authority.split(";"); 9893 p.info.authority = null; 9894 for (int j = 0; j < names.length; j++) { 9895 if (j == 1 && p.syncable) { 9896 // We only want the first authority for a provider to possibly be 9897 // syncable, so if we already added this provider using a different 9898 // authority clear the syncable flag. We copy the provider before 9899 // changing it because the mProviders object contains a reference 9900 // to a provider that we don't want to change. 9901 // Only do this for the second authority since the resulting provider 9902 // object can be the same for all future authorities for this provider. 9903 p = new PackageParser.Provider(p); 9904 p.syncable = false; 9905 } 9906 if (!mProvidersByAuthority.containsKey(names[j])) { 9907 mProvidersByAuthority.put(names[j], p); 9908 if (p.info.authority == null) { 9909 p.info.authority = names[j]; 9910 } else { 9911 p.info.authority = p.info.authority + ";" + names[j]; 9912 } 9913 if (DEBUG_PACKAGE_SCANNING) { 9914 if (chatty) 9915 Log.d(TAG, "Registered content provider: " + names[j] 9916 + ", className = " + p.info.name + ", isSyncable = " 9917 + p.info.isSyncable); 9918 } 9919 } else { 9920 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9921 Slog.w(TAG, "Skipping provider name " + names[j] + 9922 " (in package " + pkg.applicationInfo.packageName + 9923 "): name already used by " 9924 + ((other != null && other.getComponentName() != null) 9925 ? other.getComponentName().getPackageName() : "?")); 9926 } 9927 } 9928 } 9929 if (chatty) { 9930 if (r == null) { 9931 r = new StringBuilder(256); 9932 } else { 9933 r.append(' '); 9934 } 9935 r.append(p.info.name); 9936 } 9937 } 9938 if (r != null) { 9939 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 9940 } 9941 9942 N = pkg.services.size(); 9943 r = null; 9944 for (i=0; i<N; i++) { 9945 PackageParser.Service s = pkg.services.get(i); 9946 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 9947 s.info.processName); 9948 mServices.addService(s); 9949 if (chatty) { 9950 if (r == null) { 9951 r = new StringBuilder(256); 9952 } else { 9953 r.append(' '); 9954 } 9955 r.append(s.info.name); 9956 } 9957 } 9958 if (r != null) { 9959 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 9960 } 9961 9962 N = pkg.receivers.size(); 9963 r = null; 9964 for (i=0; i<N; i++) { 9965 PackageParser.Activity a = pkg.receivers.get(i); 9966 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 9967 a.info.processName); 9968 mReceivers.addActivity(a, "receiver"); 9969 if (chatty) { 9970 if (r == null) { 9971 r = new StringBuilder(256); 9972 } else { 9973 r.append(' '); 9974 } 9975 r.append(a.info.name); 9976 } 9977 } 9978 if (r != null) { 9979 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 9980 } 9981 9982 N = pkg.activities.size(); 9983 r = null; 9984 for (i=0; i<N; i++) { 9985 PackageParser.Activity a = pkg.activities.get(i); 9986 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 9987 a.info.processName); 9988 mActivities.addActivity(a, "activity"); 9989 if (chatty) { 9990 if (r == null) { 9991 r = new StringBuilder(256); 9992 } else { 9993 r.append(' '); 9994 } 9995 r.append(a.info.name); 9996 } 9997 } 9998 if (r != null) { 9999 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 10000 } 10001 10002 N = pkg.permissionGroups.size(); 10003 r = null; 10004 for (i=0; i<N; i++) { 10005 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 10006 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 10007 final String curPackageName = cur == null ? null : cur.info.packageName; 10008 // Dont allow ephemeral apps to define new permission groups. 10009 if (pkg.applicationInfo.isInstantApp()) { 10010 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10011 + pg.info.packageName 10012 + " ignored: ephemeral apps cannot define new permission groups."); 10013 continue; 10014 } 10015 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 10016 if (cur == null || isPackageUpdate) { 10017 mPermissionGroups.put(pg.info.name, pg); 10018 if (chatty) { 10019 if (r == null) { 10020 r = new StringBuilder(256); 10021 } else { 10022 r.append(' '); 10023 } 10024 if (isPackageUpdate) { 10025 r.append("UPD:"); 10026 } 10027 r.append(pg.info.name); 10028 } 10029 } else { 10030 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10031 + pg.info.packageName + " ignored: original from " 10032 + cur.info.packageName); 10033 if (chatty) { 10034 if (r == null) { 10035 r = new StringBuilder(256); 10036 } else { 10037 r.append(' '); 10038 } 10039 r.append("DUP:"); 10040 r.append(pg.info.name); 10041 } 10042 } 10043 } 10044 if (r != null) { 10045 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 10046 } 10047 10048 N = pkg.permissions.size(); 10049 r = null; 10050 for (i=0; i<N; i++) { 10051 PackageParser.Permission p = pkg.permissions.get(i); 10052 10053 // Dont allow ephemeral apps to define new permissions. 10054 if (pkg.applicationInfo.isInstantApp()) { 10055 Slog.w(TAG, "Permission " + p.info.name + " from package " 10056 + p.info.packageName 10057 + " ignored: ephemeral apps cannot define new permissions."); 10058 continue; 10059 } 10060 10061 // Assume by default that we did not install this permission into the system. 10062 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 10063 10064 // Now that permission groups have a special meaning, we ignore permission 10065 // groups for legacy apps to prevent unexpected behavior. In particular, 10066 // permissions for one app being granted to someone just becase they happen 10067 // to be in a group defined by another app (before this had no implications). 10068 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 10069 p.group = mPermissionGroups.get(p.info.group); 10070 // Warn for a permission in an unknown group. 10071 if (p.info.group != null && p.group == null) { 10072 Slog.w(TAG, "Permission " + p.info.name + " from package " 10073 + p.info.packageName + " in an unknown group " + p.info.group); 10074 } 10075 } 10076 10077 ArrayMap<String, BasePermission> permissionMap = 10078 p.tree ? mSettings.mPermissionTrees 10079 : mSettings.mPermissions; 10080 BasePermission bp = permissionMap.get(p.info.name); 10081 10082 // Allow system apps to redefine non-system permissions 10083 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 10084 final boolean currentOwnerIsSystem = (bp.perm != null 10085 && isSystemApp(bp.perm.owner)); 10086 if (isSystemApp(p.owner)) { 10087 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 10088 // It's a built-in permission and no owner, take ownership now 10089 bp.packageSetting = pkgSetting; 10090 bp.perm = p; 10091 bp.uid = pkg.applicationInfo.uid; 10092 bp.sourcePackage = p.info.packageName; 10093 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10094 } else if (!currentOwnerIsSystem) { 10095 String msg = "New decl " + p.owner + " of permission " 10096 + p.info.name + " is system; overriding " + bp.sourcePackage; 10097 reportSettingsProblem(Log.WARN, msg); 10098 bp = null; 10099 } 10100 } 10101 } 10102 10103 if (bp == null) { 10104 bp = new BasePermission(p.info.name, p.info.packageName, 10105 BasePermission.TYPE_NORMAL); 10106 permissionMap.put(p.info.name, bp); 10107 } 10108 10109 if (bp.perm == null) { 10110 if (bp.sourcePackage == null 10111 || bp.sourcePackage.equals(p.info.packageName)) { 10112 BasePermission tree = findPermissionTreeLP(p.info.name); 10113 if (tree == null 10114 || tree.sourcePackage.equals(p.info.packageName)) { 10115 bp.packageSetting = pkgSetting; 10116 bp.perm = p; 10117 bp.uid = pkg.applicationInfo.uid; 10118 bp.sourcePackage = p.info.packageName; 10119 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10120 if (chatty) { 10121 if (r == null) { 10122 r = new StringBuilder(256); 10123 } else { 10124 r.append(' '); 10125 } 10126 r.append(p.info.name); 10127 } 10128 } else { 10129 Slog.w(TAG, "Permission " + p.info.name + " from package " 10130 + p.info.packageName + " ignored: base tree " 10131 + tree.name + " is from package " 10132 + tree.sourcePackage); 10133 } 10134 } else { 10135 Slog.w(TAG, "Permission " + p.info.name + " from package " 10136 + p.info.packageName + " ignored: original from " 10137 + bp.sourcePackage); 10138 } 10139 } else if (chatty) { 10140 if (r == null) { 10141 r = new StringBuilder(256); 10142 } else { 10143 r.append(' '); 10144 } 10145 r.append("DUP:"); 10146 r.append(p.info.name); 10147 } 10148 if (bp.perm == p) { 10149 bp.protectionLevel = p.info.protectionLevel; 10150 } 10151 } 10152 10153 if (r != null) { 10154 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 10155 } 10156 10157 N = pkg.instrumentation.size(); 10158 r = null; 10159 for (i=0; i<N; i++) { 10160 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10161 a.info.packageName = pkg.applicationInfo.packageName; 10162 a.info.sourceDir = pkg.applicationInfo.sourceDir; 10163 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 10164 a.info.splitNames = pkg.splitNames; 10165 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 10166 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 10167 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 10168 a.info.dataDir = pkg.applicationInfo.dataDir; 10169 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 10170 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 10171 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 10172 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 10173 mInstrumentation.put(a.getComponentName(), a); 10174 if (chatty) { 10175 if (r == null) { 10176 r = new StringBuilder(256); 10177 } else { 10178 r.append(' '); 10179 } 10180 r.append(a.info.name); 10181 } 10182 } 10183 if (r != null) { 10184 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 10185 } 10186 10187 if (pkg.protectedBroadcasts != null) { 10188 N = pkg.protectedBroadcasts.size(); 10189 for (i=0; i<N; i++) { 10190 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 10191 } 10192 } 10193 10194 // Create idmap files for pairs of (packages, overlay packages). 10195 // Note: "android", ie framework-res.apk, is handled by native layers. 10196 if (pkg.mOverlayTarget != null) { 10197 // This is an overlay package. 10198 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 10199 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 10200 mOverlays.put(pkg.mOverlayTarget, 10201 new ArrayMap<String, PackageParser.Package>()); 10202 } 10203 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 10204 map.put(pkg.packageName, pkg); 10205 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 10206 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 10207 createIdmapFailed = true; 10208 } 10209 } 10210 } else if (mOverlays.containsKey(pkg.packageName) && 10211 !pkg.packageName.equals("android")) { 10212 // This is a regular package, with one or more known overlay packages. 10213 createIdmapsForPackageLI(pkg); 10214 } 10215 } 10216 10217 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10218 10219 if (createIdmapFailed) { 10220 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10221 "scanPackageLI failed to createIdmap"); 10222 } 10223 } 10224 10225 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 10226 PackageParser.Package update, int[] userIds) { 10227 if (existing.applicationInfo == null || update.applicationInfo == null) { 10228 // This isn't due to an app installation. 10229 return; 10230 } 10231 10232 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 10233 final File newCodePath = new File(update.applicationInfo.getCodePath()); 10234 10235 // The codePath hasn't changed, so there's nothing for us to do. 10236 if (Objects.equals(oldCodePath, newCodePath)) { 10237 return; 10238 } 10239 10240 File canonicalNewCodePath; 10241 try { 10242 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 10243 } catch (IOException e) { 10244 Slog.w(TAG, "Failed to get canonical path.", e); 10245 return; 10246 } 10247 10248 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 10249 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 10250 // that the last component of the path (i.e, the name) doesn't need canonicalization 10251 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 10252 // but may change in the future. Hopefully this function won't exist at that point. 10253 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 10254 oldCodePath.getName()); 10255 10256 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 10257 // with "@". 10258 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 10259 if (!oldMarkerPrefix.endsWith("@")) { 10260 oldMarkerPrefix += "@"; 10261 } 10262 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 10263 if (!newMarkerPrefix.endsWith("@")) { 10264 newMarkerPrefix += "@"; 10265 } 10266 10267 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 10268 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 10269 for (String updatedPath : updatedPaths) { 10270 String updatedPathName = new File(updatedPath).getName(); 10271 markerSuffixes.add(updatedPathName.replace('/', '@')); 10272 } 10273 10274 for (int userId : userIds) { 10275 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 10276 10277 for (String markerSuffix : markerSuffixes) { 10278 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 10279 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 10280 if (oldForeignUseMark.exists()) { 10281 try { 10282 Os.rename(oldForeignUseMark.getAbsolutePath(), 10283 newForeignUseMark.getAbsolutePath()); 10284 } catch (ErrnoException e) { 10285 Slog.w(TAG, "Failed to rename foreign use marker", e); 10286 oldForeignUseMark.delete(); 10287 } 10288 } 10289 } 10290 } 10291 } 10292 10293 /** 10294 * Derive the ABI of a non-system package located at {@code scanFile}. This information 10295 * is derived purely on the basis of the contents of {@code scanFile} and 10296 * {@code cpuAbiOverride}. 10297 * 10298 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 10299 */ 10300 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 10301 String cpuAbiOverride, boolean extractLibs, 10302 File appLib32InstallDir) 10303 throws PackageManagerException { 10304 // Give ourselves some initial paths; we'll come back for another 10305 // pass once we've determined ABI below. 10306 setNativeLibraryPaths(pkg, appLib32InstallDir); 10307 10308 // We would never need to extract libs for forward-locked and external packages, 10309 // since the container service will do it for us. We shouldn't attempt to 10310 // extract libs from system app when it was not updated. 10311 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 10312 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 10313 extractLibs = false; 10314 } 10315 10316 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 10317 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 10318 10319 NativeLibraryHelper.Handle handle = null; 10320 try { 10321 handle = NativeLibraryHelper.Handle.create(pkg); 10322 // TODO(multiArch): This can be null for apps that didn't go through the 10323 // usual installation process. We can calculate it again, like we 10324 // do during install time. 10325 // 10326 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 10327 // unnecessary. 10328 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 10329 10330 // Null out the abis so that they can be recalculated. 10331 pkg.applicationInfo.primaryCpuAbi = null; 10332 pkg.applicationInfo.secondaryCpuAbi = null; 10333 if (isMultiArch(pkg.applicationInfo)) { 10334 // Warn if we've set an abiOverride for multi-lib packages.. 10335 // By definition, we need to copy both 32 and 64 bit libraries for 10336 // such packages. 10337 if (pkg.cpuAbiOverride != null 10338 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 10339 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 10340 } 10341 10342 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 10343 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 10344 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 10345 if (extractLibs) { 10346 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10347 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10348 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 10349 useIsaSpecificSubdirs); 10350 } else { 10351 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10352 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 10353 } 10354 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10355 } 10356 10357 maybeThrowExceptionForMultiArchCopy( 10358 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 10359 10360 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 10361 if (extractLibs) { 10362 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10363 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10364 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 10365 useIsaSpecificSubdirs); 10366 } else { 10367 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10368 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 10369 } 10370 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10371 } 10372 10373 maybeThrowExceptionForMultiArchCopy( 10374 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 10375 10376 if (abi64 >= 0) { 10377 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 10378 } 10379 10380 if (abi32 >= 0) { 10381 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 10382 if (abi64 >= 0) { 10383 if (pkg.use32bitAbi) { 10384 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 10385 pkg.applicationInfo.primaryCpuAbi = abi; 10386 } else { 10387 pkg.applicationInfo.secondaryCpuAbi = abi; 10388 } 10389 } else { 10390 pkg.applicationInfo.primaryCpuAbi = abi; 10391 } 10392 } 10393 10394 } else { 10395 String[] abiList = (cpuAbiOverride != null) ? 10396 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 10397 10398 // Enable gross and lame hacks for apps that are built with old 10399 // SDK tools. We must scan their APKs for renderscript bitcode and 10400 // not launch them if it's present. Don't bother checking on devices 10401 // that don't have 64 bit support. 10402 boolean needsRenderScriptOverride = false; 10403 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 10404 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 10405 abiList = Build.SUPPORTED_32_BIT_ABIS; 10406 needsRenderScriptOverride = true; 10407 } 10408 10409 final int copyRet; 10410 if (extractLibs) { 10411 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10412 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10413 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 10414 } else { 10415 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10416 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 10417 } 10418 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10419 10420 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 10421 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10422 "Error unpackaging native libs for app, errorCode=" + copyRet); 10423 } 10424 10425 if (copyRet >= 0) { 10426 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 10427 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 10428 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 10429 } else if (needsRenderScriptOverride) { 10430 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 10431 } 10432 } 10433 } catch (IOException ioe) { 10434 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 10435 } finally { 10436 IoUtils.closeQuietly(handle); 10437 } 10438 10439 // Now that we've calculated the ABIs and determined if it's an internal app, 10440 // we will go ahead and populate the nativeLibraryPath. 10441 setNativeLibraryPaths(pkg, appLib32InstallDir); 10442 } 10443 10444 /** 10445 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 10446 * i.e, so that all packages can be run inside a single process if required. 10447 * 10448 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 10449 * this function will either try and make the ABI for all packages in {@code packagesForUser} 10450 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 10451 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 10452 * updating a package that belongs to a shared user. 10453 * 10454 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 10455 * adds unnecessary complexity. 10456 */ 10457 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 10458 PackageParser.Package scannedPackage) { 10459 String requiredInstructionSet = null; 10460 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 10461 requiredInstructionSet = VMRuntime.getInstructionSet( 10462 scannedPackage.applicationInfo.primaryCpuAbi); 10463 } 10464 10465 PackageSetting requirer = null; 10466 for (PackageSetting ps : packagesForUser) { 10467 // If packagesForUser contains scannedPackage, we skip it. This will happen 10468 // when scannedPackage is an update of an existing package. Without this check, 10469 // we will never be able to change the ABI of any package belonging to a shared 10470 // user, even if it's compatible with other packages. 10471 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10472 if (ps.primaryCpuAbiString == null) { 10473 continue; 10474 } 10475 10476 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 10477 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 10478 // We have a mismatch between instruction sets (say arm vs arm64) warn about 10479 // this but there's not much we can do. 10480 String errorMessage = "Instruction set mismatch, " 10481 + ((requirer == null) ? "[caller]" : requirer) 10482 + " requires " + requiredInstructionSet + " whereas " + ps 10483 + " requires " + instructionSet; 10484 Slog.w(TAG, errorMessage); 10485 } 10486 10487 if (requiredInstructionSet == null) { 10488 requiredInstructionSet = instructionSet; 10489 requirer = ps; 10490 } 10491 } 10492 } 10493 10494 if (requiredInstructionSet != null) { 10495 String adjustedAbi; 10496 if (requirer != null) { 10497 // requirer != null implies that either scannedPackage was null or that scannedPackage 10498 // did not require an ABI, in which case we have to adjust scannedPackage to match 10499 // the ABI of the set (which is the same as requirer's ABI) 10500 adjustedAbi = requirer.primaryCpuAbiString; 10501 if (scannedPackage != null) { 10502 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 10503 } 10504 } else { 10505 // requirer == null implies that we're updating all ABIs in the set to 10506 // match scannedPackage. 10507 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 10508 } 10509 10510 for (PackageSetting ps : packagesForUser) { 10511 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10512 if (ps.primaryCpuAbiString != null) { 10513 continue; 10514 } 10515 10516 ps.primaryCpuAbiString = adjustedAbi; 10517 if (ps.pkg != null && ps.pkg.applicationInfo != null && 10518 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 10519 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 10520 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 10521 + " (requirer=" 10522 + (requirer == null ? "null" : requirer.pkg.packageName) 10523 + ", scannedPackage=" 10524 + (scannedPackage != null ? scannedPackage.packageName : "null") 10525 + ")"); 10526 try { 10527 mInstaller.rmdex(ps.codePathString, 10528 getDexCodeInstructionSet(getPreferredInstructionSet())); 10529 } catch (InstallerException ignored) { 10530 } 10531 } 10532 } 10533 } 10534 } 10535 } 10536 10537 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 10538 synchronized (mPackages) { 10539 mResolverReplaced = true; 10540 // Set up information for custom user intent resolution activity. 10541 mResolveActivity.applicationInfo = pkg.applicationInfo; 10542 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 10543 mResolveActivity.packageName = pkg.applicationInfo.packageName; 10544 mResolveActivity.processName = pkg.applicationInfo.packageName; 10545 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10546 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 10547 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10548 mResolveActivity.theme = 0; 10549 mResolveActivity.exported = true; 10550 mResolveActivity.enabled = true; 10551 mResolveInfo.activityInfo = mResolveActivity; 10552 mResolveInfo.priority = 0; 10553 mResolveInfo.preferredOrder = 0; 10554 mResolveInfo.match = 0; 10555 mResolveComponentName = mCustomResolverComponentName; 10556 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 10557 mResolveComponentName); 10558 } 10559 } 10560 10561 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 10562 if (installerComponent == null) { 10563 if (DEBUG_EPHEMERAL) { 10564 Slog.d(TAG, "Clear ephemeral installer activity"); 10565 } 10566 mEphemeralInstallerActivity.applicationInfo = null; 10567 return; 10568 } 10569 10570 if (DEBUG_EPHEMERAL) { 10571 Slog.d(TAG, "Set ephemeral installer activity: " + installerComponent); 10572 } 10573 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 10574 // Set up information for ephemeral installer activity 10575 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 10576 mEphemeralInstallerActivity.name = installerComponent.getClassName(); 10577 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 10578 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 10579 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10580 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 10581 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10582 mEphemeralInstallerActivity.theme = 0; 10583 mEphemeralInstallerActivity.exported = true; 10584 mEphemeralInstallerActivity.enabled = true; 10585 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 10586 mEphemeralInstallerInfo.priority = 0; 10587 mEphemeralInstallerInfo.preferredOrder = 1; 10588 mEphemeralInstallerInfo.isDefault = true; 10589 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 10590 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 10591 } 10592 10593 private static String calculateBundledApkRoot(final String codePathString) { 10594 final File codePath = new File(codePathString); 10595 final File codeRoot; 10596 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 10597 codeRoot = Environment.getRootDirectory(); 10598 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 10599 codeRoot = Environment.getOemDirectory(); 10600 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 10601 codeRoot = Environment.getVendorDirectory(); 10602 } else { 10603 // Unrecognized code path; take its top real segment as the apk root: 10604 // e.g. /something/app/blah.apk => /something 10605 try { 10606 File f = codePath.getCanonicalFile(); 10607 File parent = f.getParentFile(); // non-null because codePath is a file 10608 File tmp; 10609 while ((tmp = parent.getParentFile()) != null) { 10610 f = parent; 10611 parent = tmp; 10612 } 10613 codeRoot = f; 10614 Slog.w(TAG, "Unrecognized code path " 10615 + codePath + " - using " + codeRoot); 10616 } catch (IOException e) { 10617 // Can't canonicalize the code path -- shenanigans? 10618 Slog.w(TAG, "Can't canonicalize code path " + codePath); 10619 return Environment.getRootDirectory().getPath(); 10620 } 10621 } 10622 return codeRoot.getPath(); 10623 } 10624 10625 /** 10626 * Derive and set the location of native libraries for the given package, 10627 * which varies depending on where and how the package was installed. 10628 */ 10629 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 10630 final ApplicationInfo info = pkg.applicationInfo; 10631 final String codePath = pkg.codePath; 10632 final File codeFile = new File(codePath); 10633 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 10634 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 10635 10636 info.nativeLibraryRootDir = null; 10637 info.nativeLibraryRootRequiresIsa = false; 10638 info.nativeLibraryDir = null; 10639 info.secondaryNativeLibraryDir = null; 10640 10641 if (isApkFile(codeFile)) { 10642 // Monolithic install 10643 if (bundledApp) { 10644 // If "/system/lib64/apkname" exists, assume that is the per-package 10645 // native library directory to use; otherwise use "/system/lib/apkname". 10646 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 10647 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 10648 getPrimaryInstructionSet(info)); 10649 10650 // This is a bundled system app so choose the path based on the ABI. 10651 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 10652 // is just the default path. 10653 final String apkName = deriveCodePathName(codePath); 10654 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 10655 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 10656 apkName).getAbsolutePath(); 10657 10658 if (info.secondaryCpuAbi != null) { 10659 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 10660 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 10661 secondaryLibDir, apkName).getAbsolutePath(); 10662 } 10663 } else if (asecApp) { 10664 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 10665 .getAbsolutePath(); 10666 } else { 10667 final String apkName = deriveCodePathName(codePath); 10668 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 10669 .getAbsolutePath(); 10670 } 10671 10672 info.nativeLibraryRootRequiresIsa = false; 10673 info.nativeLibraryDir = info.nativeLibraryRootDir; 10674 } else { 10675 // Cluster install 10676 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 10677 info.nativeLibraryRootRequiresIsa = true; 10678 10679 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 10680 getPrimaryInstructionSet(info)).getAbsolutePath(); 10681 10682 if (info.secondaryCpuAbi != null) { 10683 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 10684 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 10685 } 10686 } 10687 } 10688 10689 /** 10690 * Calculate the abis and roots for a bundled app. These can uniquely 10691 * be determined from the contents of the system partition, i.e whether 10692 * it contains 64 or 32 bit shared libraries etc. We do not validate any 10693 * of this information, and instead assume that the system was built 10694 * sensibly. 10695 */ 10696 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 10697 PackageSetting pkgSetting) { 10698 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 10699 10700 // If "/system/lib64/apkname" exists, assume that is the per-package 10701 // native library directory to use; otherwise use "/system/lib/apkname". 10702 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 10703 setBundledAppAbi(pkg, apkRoot, apkName); 10704 // pkgSetting might be null during rescan following uninstall of updates 10705 // to a bundled app, so accommodate that possibility. The settings in 10706 // that case will be established later from the parsed package. 10707 // 10708 // If the settings aren't null, sync them up with what we've just derived. 10709 // note that apkRoot isn't stored in the package settings. 10710 if (pkgSetting != null) { 10711 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10712 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10713 } 10714 } 10715 10716 /** 10717 * Deduces the ABI of a bundled app and sets the relevant fields on the 10718 * parsed pkg object. 10719 * 10720 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 10721 * under which system libraries are installed. 10722 * @param apkName the name of the installed package. 10723 */ 10724 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 10725 final File codeFile = new File(pkg.codePath); 10726 10727 final boolean has64BitLibs; 10728 final boolean has32BitLibs; 10729 if (isApkFile(codeFile)) { 10730 // Monolithic install 10731 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 10732 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 10733 } else { 10734 // Cluster install 10735 final File rootDir = new File(codeFile, LIB_DIR_NAME); 10736 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 10737 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 10738 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 10739 has64BitLibs = (new File(rootDir, isa)).exists(); 10740 } else { 10741 has64BitLibs = false; 10742 } 10743 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 10744 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 10745 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 10746 has32BitLibs = (new File(rootDir, isa)).exists(); 10747 } else { 10748 has32BitLibs = false; 10749 } 10750 } 10751 10752 if (has64BitLibs && !has32BitLibs) { 10753 // The package has 64 bit libs, but not 32 bit libs. Its primary 10754 // ABI should be 64 bit. We can safely assume here that the bundled 10755 // native libraries correspond to the most preferred ABI in the list. 10756 10757 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10758 pkg.applicationInfo.secondaryCpuAbi = null; 10759 } else if (has32BitLibs && !has64BitLibs) { 10760 // The package has 32 bit libs but not 64 bit libs. Its primary 10761 // ABI should be 32 bit. 10762 10763 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10764 pkg.applicationInfo.secondaryCpuAbi = null; 10765 } else if (has32BitLibs && has64BitLibs) { 10766 // The application has both 64 and 32 bit bundled libraries. We check 10767 // here that the app declares multiArch support, and warn if it doesn't. 10768 // 10769 // We will be lenient here and record both ABIs. The primary will be the 10770 // ABI that's higher on the list, i.e, a device that's configured to prefer 10771 // 64 bit apps will see a 64 bit primary ABI, 10772 10773 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 10774 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 10775 } 10776 10777 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 10778 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10779 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10780 } else { 10781 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10782 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10783 } 10784 } else { 10785 pkg.applicationInfo.primaryCpuAbi = null; 10786 pkg.applicationInfo.secondaryCpuAbi = null; 10787 } 10788 } 10789 10790 private void killApplication(String pkgName, int appId, String reason) { 10791 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 10792 } 10793 10794 private void killApplication(String pkgName, int appId, int userId, String reason) { 10795 // Request the ActivityManager to kill the process(only for existing packages) 10796 // so that we do not end up in a confused state while the user is still using the older 10797 // version of the application while the new one gets installed. 10798 final long token = Binder.clearCallingIdentity(); 10799 try { 10800 IActivityManager am = ActivityManager.getService(); 10801 if (am != null) { 10802 try { 10803 am.killApplication(pkgName, appId, userId, reason); 10804 } catch (RemoteException e) { 10805 } 10806 } 10807 } finally { 10808 Binder.restoreCallingIdentity(token); 10809 } 10810 } 10811 10812 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 10813 // Remove the parent package setting 10814 PackageSetting ps = (PackageSetting) pkg.mExtras; 10815 if (ps != null) { 10816 removePackageLI(ps, chatty); 10817 } 10818 // Remove the child package setting 10819 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10820 for (int i = 0; i < childCount; i++) { 10821 PackageParser.Package childPkg = pkg.childPackages.get(i); 10822 ps = (PackageSetting) childPkg.mExtras; 10823 if (ps != null) { 10824 removePackageLI(ps, chatty); 10825 } 10826 } 10827 } 10828 10829 void removePackageLI(PackageSetting ps, boolean chatty) { 10830 if (DEBUG_INSTALL) { 10831 if (chatty) 10832 Log.d(TAG, "Removing package " + ps.name); 10833 } 10834 10835 // writer 10836 synchronized (mPackages) { 10837 mPackages.remove(ps.name); 10838 final PackageParser.Package pkg = ps.pkg; 10839 if (pkg != null) { 10840 cleanPackageDataStructuresLILPw(pkg, chatty); 10841 } 10842 } 10843 } 10844 10845 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 10846 if (DEBUG_INSTALL) { 10847 if (chatty) 10848 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 10849 } 10850 10851 // writer 10852 synchronized (mPackages) { 10853 // Remove the parent package 10854 mPackages.remove(pkg.applicationInfo.packageName); 10855 cleanPackageDataStructuresLILPw(pkg, chatty); 10856 10857 // Remove the child packages 10858 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10859 for (int i = 0; i < childCount; i++) { 10860 PackageParser.Package childPkg = pkg.childPackages.get(i); 10861 mPackages.remove(childPkg.applicationInfo.packageName); 10862 cleanPackageDataStructuresLILPw(childPkg, chatty); 10863 } 10864 } 10865 } 10866 10867 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 10868 int N = pkg.providers.size(); 10869 StringBuilder r = null; 10870 int i; 10871 for (i=0; i<N; i++) { 10872 PackageParser.Provider p = pkg.providers.get(i); 10873 mProviders.removeProvider(p); 10874 if (p.info.authority == null) { 10875 10876 /* There was another ContentProvider with this authority when 10877 * this app was installed so this authority is null, 10878 * Ignore it as we don't have to unregister the provider. 10879 */ 10880 continue; 10881 } 10882 String names[] = p.info.authority.split(";"); 10883 for (int j = 0; j < names.length; j++) { 10884 if (mProvidersByAuthority.get(names[j]) == p) { 10885 mProvidersByAuthority.remove(names[j]); 10886 if (DEBUG_REMOVE) { 10887 if (chatty) 10888 Log.d(TAG, "Unregistered content provider: " + names[j] 10889 + ", className = " + p.info.name + ", isSyncable = " 10890 + p.info.isSyncable); 10891 } 10892 } 10893 } 10894 if (DEBUG_REMOVE && chatty) { 10895 if (r == null) { 10896 r = new StringBuilder(256); 10897 } else { 10898 r.append(' '); 10899 } 10900 r.append(p.info.name); 10901 } 10902 } 10903 if (r != null) { 10904 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 10905 } 10906 10907 N = pkg.services.size(); 10908 r = null; 10909 for (i=0; i<N; i++) { 10910 PackageParser.Service s = pkg.services.get(i); 10911 mServices.removeService(s); 10912 if (chatty) { 10913 if (r == null) { 10914 r = new StringBuilder(256); 10915 } else { 10916 r.append(' '); 10917 } 10918 r.append(s.info.name); 10919 } 10920 } 10921 if (r != null) { 10922 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 10923 } 10924 10925 N = pkg.receivers.size(); 10926 r = null; 10927 for (i=0; i<N; i++) { 10928 PackageParser.Activity a = pkg.receivers.get(i); 10929 mReceivers.removeActivity(a, "receiver"); 10930 if (DEBUG_REMOVE && chatty) { 10931 if (r == null) { 10932 r = new StringBuilder(256); 10933 } else { 10934 r.append(' '); 10935 } 10936 r.append(a.info.name); 10937 } 10938 } 10939 if (r != null) { 10940 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 10941 } 10942 10943 N = pkg.activities.size(); 10944 r = null; 10945 for (i=0; i<N; i++) { 10946 PackageParser.Activity a = pkg.activities.get(i); 10947 mActivities.removeActivity(a, "activity"); 10948 if (DEBUG_REMOVE && chatty) { 10949 if (r == null) { 10950 r = new StringBuilder(256); 10951 } else { 10952 r.append(' '); 10953 } 10954 r.append(a.info.name); 10955 } 10956 } 10957 if (r != null) { 10958 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 10959 } 10960 10961 N = pkg.permissions.size(); 10962 r = null; 10963 for (i=0; i<N; i++) { 10964 PackageParser.Permission p = pkg.permissions.get(i); 10965 BasePermission bp = mSettings.mPermissions.get(p.info.name); 10966 if (bp == null) { 10967 bp = mSettings.mPermissionTrees.get(p.info.name); 10968 } 10969 if (bp != null && bp.perm == p) { 10970 bp.perm = null; 10971 if (DEBUG_REMOVE && chatty) { 10972 if (r == null) { 10973 r = new StringBuilder(256); 10974 } else { 10975 r.append(' '); 10976 } 10977 r.append(p.info.name); 10978 } 10979 } 10980 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10981 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 10982 if (appOpPkgs != null) { 10983 appOpPkgs.remove(pkg.packageName); 10984 } 10985 } 10986 } 10987 if (r != null) { 10988 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 10989 } 10990 10991 N = pkg.requestedPermissions.size(); 10992 r = null; 10993 for (i=0; i<N; i++) { 10994 String perm = pkg.requestedPermissions.get(i); 10995 BasePermission bp = mSettings.mPermissions.get(perm); 10996 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10997 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 10998 if (appOpPkgs != null) { 10999 appOpPkgs.remove(pkg.packageName); 11000 if (appOpPkgs.isEmpty()) { 11001 mAppOpPermissionPackages.remove(perm); 11002 } 11003 } 11004 } 11005 } 11006 if (r != null) { 11007 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11008 } 11009 11010 N = pkg.instrumentation.size(); 11011 r = null; 11012 for (i=0; i<N; i++) { 11013 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11014 mInstrumentation.remove(a.getComponentName()); 11015 if (DEBUG_REMOVE && chatty) { 11016 if (r == null) { 11017 r = new StringBuilder(256); 11018 } else { 11019 r.append(' '); 11020 } 11021 r.append(a.info.name); 11022 } 11023 } 11024 if (r != null) { 11025 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 11026 } 11027 11028 r = null; 11029 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11030 // Only system apps can hold shared libraries. 11031 if (pkg.libraryNames != null) { 11032 for (i = 0; i < pkg.libraryNames.size(); i++) { 11033 String name = pkg.libraryNames.get(i); 11034 if (removeSharedLibraryLPw(name, 0)) { 11035 if (DEBUG_REMOVE && chatty) { 11036 if (r == null) { 11037 r = new StringBuilder(256); 11038 } else { 11039 r.append(' '); 11040 } 11041 r.append(name); 11042 } 11043 } 11044 } 11045 } 11046 } 11047 11048 r = null; 11049 11050 // Any package can hold static shared libraries. 11051 if (pkg.staticSharedLibName != null) { 11052 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11053 if (DEBUG_REMOVE && chatty) { 11054 if (r == null) { 11055 r = new StringBuilder(256); 11056 } else { 11057 r.append(' '); 11058 } 11059 r.append(pkg.staticSharedLibName); 11060 } 11061 } 11062 } 11063 11064 if (r != null) { 11065 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11066 } 11067 } 11068 11069 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 11070 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 11071 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 11072 return true; 11073 } 11074 } 11075 return false; 11076 } 11077 11078 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 11079 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 11080 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 11081 11082 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 11083 // Update the parent permissions 11084 updatePermissionsLPw(pkg.packageName, pkg, flags); 11085 // Update the child permissions 11086 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11087 for (int i = 0; i < childCount; i++) { 11088 PackageParser.Package childPkg = pkg.childPackages.get(i); 11089 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 11090 } 11091 } 11092 11093 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 11094 int flags) { 11095 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 11096 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 11097 } 11098 11099 private void updatePermissionsLPw(String changingPkg, 11100 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 11101 // Make sure there are no dangling permission trees. 11102 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 11103 while (it.hasNext()) { 11104 final BasePermission bp = it.next(); 11105 if (bp.packageSetting == null) { 11106 // We may not yet have parsed the package, so just see if 11107 // we still know about its settings. 11108 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11109 } 11110 if (bp.packageSetting == null) { 11111 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 11112 + " from package " + bp.sourcePackage); 11113 it.remove(); 11114 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11115 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11116 Slog.i(TAG, "Removing old permission tree: " + bp.name 11117 + " from package " + bp.sourcePackage); 11118 flags |= UPDATE_PERMISSIONS_ALL; 11119 it.remove(); 11120 } 11121 } 11122 } 11123 11124 // Make sure all dynamic permissions have been assigned to a package, 11125 // and make sure there are no dangling permissions. 11126 it = mSettings.mPermissions.values().iterator(); 11127 while (it.hasNext()) { 11128 final BasePermission bp = it.next(); 11129 if (bp.type == BasePermission.TYPE_DYNAMIC) { 11130 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 11131 + bp.name + " pkg=" + bp.sourcePackage 11132 + " info=" + bp.pendingInfo); 11133 if (bp.packageSetting == null && bp.pendingInfo != null) { 11134 final BasePermission tree = findPermissionTreeLP(bp.name); 11135 if (tree != null && tree.perm != null) { 11136 bp.packageSetting = tree.packageSetting; 11137 bp.perm = new PackageParser.Permission(tree.perm.owner, 11138 new PermissionInfo(bp.pendingInfo)); 11139 bp.perm.info.packageName = tree.perm.info.packageName; 11140 bp.perm.info.name = bp.name; 11141 bp.uid = tree.uid; 11142 } 11143 } 11144 } 11145 if (bp.packageSetting == null) { 11146 // We may not yet have parsed the package, so just see if 11147 // we still know about its settings. 11148 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11149 } 11150 if (bp.packageSetting == null) { 11151 Slog.w(TAG, "Removing dangling permission: " + bp.name 11152 + " from package " + bp.sourcePackage); 11153 it.remove(); 11154 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11155 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11156 Slog.i(TAG, "Removing old permission: " + bp.name 11157 + " from package " + bp.sourcePackage); 11158 flags |= UPDATE_PERMISSIONS_ALL; 11159 it.remove(); 11160 } 11161 } 11162 } 11163 11164 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 11165 // Now update the permissions for all packages, in particular 11166 // replace the granted permissions of the system packages. 11167 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 11168 for (PackageParser.Package pkg : mPackages.values()) { 11169 if (pkg != pkgInfo) { 11170 // Only replace for packages on requested volume 11171 final String volumeUuid = getVolumeUuidForPackage(pkg); 11172 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 11173 && Objects.equals(replaceVolumeUuid, volumeUuid); 11174 grantPermissionsLPw(pkg, replace, changingPkg); 11175 } 11176 } 11177 } 11178 11179 if (pkgInfo != null) { 11180 // Only replace for packages on requested volume 11181 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 11182 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 11183 && Objects.equals(replaceVolumeUuid, volumeUuid); 11184 grantPermissionsLPw(pkgInfo, replace, changingPkg); 11185 } 11186 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11187 } 11188 11189 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 11190 String packageOfInterest) { 11191 // IMPORTANT: There are two types of permissions: install and runtime. 11192 // Install time permissions are granted when the app is installed to 11193 // all device users and users added in the future. Runtime permissions 11194 // are granted at runtime explicitly to specific users. Normal and signature 11195 // protected permissions are install time permissions. Dangerous permissions 11196 // are install permissions if the app's target SDK is Lollipop MR1 or older, 11197 // otherwise they are runtime permissions. This function does not manage 11198 // runtime permissions except for the case an app targeting Lollipop MR1 11199 // being upgraded to target a newer SDK, in which case dangerous permissions 11200 // are transformed from install time to runtime ones. 11201 11202 final PackageSetting ps = (PackageSetting) pkg.mExtras; 11203 if (ps == null) { 11204 return; 11205 } 11206 11207 PermissionsState permissionsState = ps.getPermissionsState(); 11208 PermissionsState origPermissions = permissionsState; 11209 11210 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 11211 11212 boolean runtimePermissionsRevoked = false; 11213 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 11214 11215 boolean changedInstallPermission = false; 11216 11217 if (replace) { 11218 ps.installPermissionsFixed = false; 11219 if (!ps.isSharedUser()) { 11220 origPermissions = new PermissionsState(permissionsState); 11221 permissionsState.reset(); 11222 } else { 11223 // We need to know only about runtime permission changes since the 11224 // calling code always writes the install permissions state but 11225 // the runtime ones are written only if changed. The only cases of 11226 // changed runtime permissions here are promotion of an install to 11227 // runtime and revocation of a runtime from a shared user. 11228 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 11229 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 11230 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 11231 runtimePermissionsRevoked = true; 11232 } 11233 } 11234 } 11235 11236 permissionsState.setGlobalGids(mGlobalGids); 11237 11238 final int N = pkg.requestedPermissions.size(); 11239 for (int i=0; i<N; i++) { 11240 final String name = pkg.requestedPermissions.get(i); 11241 final BasePermission bp = mSettings.mPermissions.get(name); 11242 11243 if (DEBUG_INSTALL) { 11244 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 11245 } 11246 11247 if (bp == null || bp.packageSetting == null) { 11248 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11249 Slog.w(TAG, "Unknown permission " + name 11250 + " in package " + pkg.packageName); 11251 } 11252 continue; 11253 } 11254 11255 11256 // Limit ephemeral apps to ephemeral allowed permissions. 11257 if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { 11258 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 11259 + pkg.packageName); 11260 continue; 11261 } 11262 11263 final String perm = bp.name; 11264 boolean allowedSig = false; 11265 int grant = GRANT_DENIED; 11266 11267 // Keep track of app op permissions. 11268 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11269 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 11270 if (pkgs == null) { 11271 pkgs = new ArraySet<>(); 11272 mAppOpPermissionPackages.put(bp.name, pkgs); 11273 } 11274 pkgs.add(pkg.packageName); 11275 } 11276 11277 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 11278 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 11279 >= Build.VERSION_CODES.M; 11280 switch (level) { 11281 case PermissionInfo.PROTECTION_NORMAL: { 11282 // For all apps normal permissions are install time ones. 11283 grant = GRANT_INSTALL; 11284 } break; 11285 11286 case PermissionInfo.PROTECTION_DANGEROUS: { 11287 // If a permission review is required for legacy apps we represent 11288 // their permissions as always granted runtime ones since we need 11289 // to keep the review required permission flag per user while an 11290 // install permission's state is shared across all users. 11291 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 11292 // For legacy apps dangerous permissions are install time ones. 11293 grant = GRANT_INSTALL; 11294 } else if (origPermissions.hasInstallPermission(bp.name)) { 11295 // For legacy apps that became modern, install becomes runtime. 11296 grant = GRANT_UPGRADE; 11297 } else if (mPromoteSystemApps 11298 && isSystemApp(ps) 11299 && mExistingSystemPackages.contains(ps.name)) { 11300 // For legacy system apps, install becomes runtime. 11301 // We cannot check hasInstallPermission() for system apps since those 11302 // permissions were granted implicitly and not persisted pre-M. 11303 grant = GRANT_UPGRADE; 11304 } else { 11305 // For modern apps keep runtime permissions unchanged. 11306 grant = GRANT_RUNTIME; 11307 } 11308 } break; 11309 11310 case PermissionInfo.PROTECTION_SIGNATURE: { 11311 // For all apps signature permissions are install time ones. 11312 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 11313 if (allowedSig) { 11314 grant = GRANT_INSTALL; 11315 } 11316 } break; 11317 } 11318 11319 if (DEBUG_INSTALL) { 11320 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 11321 } 11322 11323 if (grant != GRANT_DENIED) { 11324 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 11325 // If this is an existing, non-system package, then 11326 // we can't add any new permissions to it. 11327 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 11328 // Except... if this is a permission that was added 11329 // to the platform (note: need to only do this when 11330 // updating the platform). 11331 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 11332 grant = GRANT_DENIED; 11333 } 11334 } 11335 } 11336 11337 switch (grant) { 11338 case GRANT_INSTALL: { 11339 // Revoke this as runtime permission to handle the case of 11340 // a runtime permission being downgraded to an install one. 11341 // Also in permission review mode we keep dangerous permissions 11342 // for legacy apps 11343 for (int userId : UserManagerService.getInstance().getUserIds()) { 11344 if (origPermissions.getRuntimePermissionState( 11345 bp.name, userId) != null) { 11346 // Revoke the runtime permission and clear the flags. 11347 origPermissions.revokeRuntimePermission(bp, userId); 11348 origPermissions.updatePermissionFlags(bp, userId, 11349 PackageManager.MASK_PERMISSION_FLAGS, 0); 11350 // If we revoked a permission permission, we have to write. 11351 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11352 changedRuntimePermissionUserIds, userId); 11353 } 11354 } 11355 // Grant an install permission. 11356 if (permissionsState.grantInstallPermission(bp) != 11357 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11358 changedInstallPermission = true; 11359 } 11360 } break; 11361 11362 case GRANT_RUNTIME: { 11363 // Grant previously granted runtime permissions. 11364 for (int userId : UserManagerService.getInstance().getUserIds()) { 11365 PermissionState permissionState = origPermissions 11366 .getRuntimePermissionState(bp.name, userId); 11367 int flags = permissionState != null 11368 ? permissionState.getFlags() : 0; 11369 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 11370 // Don't propagate the permission in a permission review mode if 11371 // the former was revoked, i.e. marked to not propagate on upgrade. 11372 // Note that in a permission review mode install permissions are 11373 // represented as constantly granted runtime ones since we need to 11374 // keep a per user state associated with the permission. Also the 11375 // revoke on upgrade flag is no longer applicable and is reset. 11376 final boolean revokeOnUpgrade = (flags & PackageManager 11377 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 11378 if (revokeOnUpgrade) { 11379 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 11380 // Since we changed the flags, we have to write. 11381 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11382 changedRuntimePermissionUserIds, userId); 11383 } 11384 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 11385 if (permissionsState.grantRuntimePermission(bp, userId) == 11386 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11387 // If we cannot put the permission as it was, 11388 // we have to write. 11389 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11390 changedRuntimePermissionUserIds, userId); 11391 } 11392 } 11393 11394 // If the app supports runtime permissions no need for a review. 11395 if (mPermissionReviewRequired 11396 && appSupportsRuntimePermissions 11397 && (flags & PackageManager 11398 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 11399 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 11400 // Since we changed the flags, we have to write. 11401 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11402 changedRuntimePermissionUserIds, userId); 11403 } 11404 } else if (mPermissionReviewRequired 11405 && !appSupportsRuntimePermissions) { 11406 // For legacy apps that need a permission review, every new 11407 // runtime permission is granted but it is pending a review. 11408 // We also need to review only platform defined runtime 11409 // permissions as these are the only ones the platform knows 11410 // how to disable the API to simulate revocation as legacy 11411 // apps don't expect to run with revoked permissions. 11412 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 11413 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 11414 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 11415 // We changed the flags, hence have to write. 11416 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11417 changedRuntimePermissionUserIds, userId); 11418 } 11419 } 11420 if (permissionsState.grantRuntimePermission(bp, userId) 11421 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11422 // We changed the permission, hence have to write. 11423 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11424 changedRuntimePermissionUserIds, userId); 11425 } 11426 } 11427 // Propagate the permission flags. 11428 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 11429 } 11430 } break; 11431 11432 case GRANT_UPGRADE: { 11433 // Grant runtime permissions for a previously held install permission. 11434 PermissionState permissionState = origPermissions 11435 .getInstallPermissionState(bp.name); 11436 final int flags = permissionState != null ? permissionState.getFlags() : 0; 11437 11438 if (origPermissions.revokeInstallPermission(bp) 11439 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11440 // We will be transferring the permission flags, so clear them. 11441 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 11442 PackageManager.MASK_PERMISSION_FLAGS, 0); 11443 changedInstallPermission = true; 11444 } 11445 11446 // If the permission is not to be promoted to runtime we ignore it and 11447 // also its other flags as they are not applicable to install permissions. 11448 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 11449 for (int userId : currentUserIds) { 11450 if (permissionsState.grantRuntimePermission(bp, userId) != 11451 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11452 // Transfer the permission flags. 11453 permissionsState.updatePermissionFlags(bp, userId, 11454 flags, flags); 11455 // If we granted the permission, we have to write. 11456 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11457 changedRuntimePermissionUserIds, userId); 11458 } 11459 } 11460 } 11461 } break; 11462 11463 default: { 11464 if (packageOfInterest == null 11465 || packageOfInterest.equals(pkg.packageName)) { 11466 Slog.w(TAG, "Not granting permission " + perm 11467 + " to package " + pkg.packageName 11468 + " because it was previously installed without"); 11469 } 11470 } break; 11471 } 11472 } else { 11473 if (permissionsState.revokeInstallPermission(bp) != 11474 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11475 // Also drop the permission flags. 11476 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 11477 PackageManager.MASK_PERMISSION_FLAGS, 0); 11478 changedInstallPermission = true; 11479 Slog.i(TAG, "Un-granting permission " + perm 11480 + " from package " + pkg.packageName 11481 + " (protectionLevel=" + bp.protectionLevel 11482 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11483 + ")"); 11484 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 11485 // Don't print warning for app op permissions, since it is fine for them 11486 // not to be granted, there is a UI for the user to decide. 11487 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11488 Slog.w(TAG, "Not granting permission " + perm 11489 + " to package " + pkg.packageName 11490 + " (protectionLevel=" + bp.protectionLevel 11491 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11492 + ")"); 11493 } 11494 } 11495 } 11496 } 11497 11498 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 11499 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 11500 // This is the first that we have heard about this package, so the 11501 // permissions we have now selected are fixed until explicitly 11502 // changed. 11503 ps.installPermissionsFixed = true; 11504 } 11505 11506 // Persist the runtime permissions state for users with changes. If permissions 11507 // were revoked because no app in the shared user declares them we have to 11508 // write synchronously to avoid losing runtime permissions state. 11509 for (int userId : changedRuntimePermissionUserIds) { 11510 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 11511 } 11512 } 11513 11514 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 11515 boolean allowed = false; 11516 final int NP = PackageParser.NEW_PERMISSIONS.length; 11517 for (int ip=0; ip<NP; ip++) { 11518 final PackageParser.NewPermissionInfo npi 11519 = PackageParser.NEW_PERMISSIONS[ip]; 11520 if (npi.name.equals(perm) 11521 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 11522 allowed = true; 11523 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 11524 + pkg.packageName); 11525 break; 11526 } 11527 } 11528 return allowed; 11529 } 11530 11531 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 11532 BasePermission bp, PermissionsState origPermissions) { 11533 boolean privilegedPermission = (bp.protectionLevel 11534 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 11535 boolean privappPermissionsDisable = 11536 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 11537 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 11538 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 11539 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 11540 && !platformPackage && platformPermission) { 11541 ArraySet<String> wlPermissions = SystemConfig.getInstance() 11542 .getPrivAppPermissions(pkg.packageName); 11543 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 11544 if (!whitelisted) { 11545 Slog.w(TAG, "Privileged permission " + perm + " for package " 11546 + pkg.packageName + " - not in privapp-permissions whitelist"); 11547 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 11548 return false; 11549 } 11550 } 11551 } 11552 boolean allowed = (compareSignatures( 11553 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 11554 == PackageManager.SIGNATURE_MATCH) 11555 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 11556 == PackageManager.SIGNATURE_MATCH); 11557 if (!allowed && privilegedPermission) { 11558 if (isSystemApp(pkg)) { 11559 // For updated system applications, a system permission 11560 // is granted only if it had been defined by the original application. 11561 if (pkg.isUpdatedSystemApp()) { 11562 final PackageSetting sysPs = mSettings 11563 .getDisabledSystemPkgLPr(pkg.packageName); 11564 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 11565 // If the original was granted this permission, we take 11566 // that grant decision as read and propagate it to the 11567 // update. 11568 if (sysPs.isPrivileged()) { 11569 allowed = true; 11570 } 11571 } else { 11572 // The system apk may have been updated with an older 11573 // version of the one on the data partition, but which 11574 // granted a new system permission that it didn't have 11575 // before. In this case we do want to allow the app to 11576 // now get the new permission if the ancestral apk is 11577 // privileged to get it. 11578 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 11579 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 11580 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 11581 allowed = true; 11582 break; 11583 } 11584 } 11585 } 11586 // Also if a privileged parent package on the system image or any of 11587 // its children requested a privileged permission, the updated child 11588 // packages can also get the permission. 11589 if (pkg.parentPackage != null) { 11590 final PackageSetting disabledSysParentPs = mSettings 11591 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 11592 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 11593 && disabledSysParentPs.isPrivileged()) { 11594 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 11595 allowed = true; 11596 } else if (disabledSysParentPs.pkg.childPackages != null) { 11597 final int count = disabledSysParentPs.pkg.childPackages.size(); 11598 for (int i = 0; i < count; i++) { 11599 PackageParser.Package disabledSysChildPkg = 11600 disabledSysParentPs.pkg.childPackages.get(i); 11601 if (isPackageRequestingPermission(disabledSysChildPkg, 11602 perm)) { 11603 allowed = true; 11604 break; 11605 } 11606 } 11607 } 11608 } 11609 } 11610 } 11611 } else { 11612 allowed = isPrivilegedApp(pkg); 11613 } 11614 } 11615 } 11616 if (!allowed) { 11617 if (!allowed && (bp.protectionLevel 11618 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 11619 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 11620 // If this was a previously normal/dangerous permission that got moved 11621 // to a system permission as part of the runtime permission redesign, then 11622 // we still want to blindly grant it to old apps. 11623 allowed = true; 11624 } 11625 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 11626 && pkg.packageName.equals(mRequiredInstallerPackage)) { 11627 // If this permission is to be granted to the system installer and 11628 // this app is an installer, then it gets the permission. 11629 allowed = true; 11630 } 11631 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 11632 && pkg.packageName.equals(mRequiredVerifierPackage)) { 11633 // If this permission is to be granted to the system verifier and 11634 // this app is a verifier, then it gets the permission. 11635 allowed = true; 11636 } 11637 if (!allowed && (bp.protectionLevel 11638 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 11639 && isSystemApp(pkg)) { 11640 // Any pre-installed system app is allowed to get this permission. 11641 allowed = true; 11642 } 11643 if (!allowed && (bp.protectionLevel 11644 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 11645 // For development permissions, a development permission 11646 // is granted only if it was already granted. 11647 allowed = origPermissions.hasInstallPermission(perm); 11648 } 11649 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 11650 && pkg.packageName.equals(mSetupWizardPackage)) { 11651 // If this permission is to be granted to the system setup wizard and 11652 // this app is a setup wizard, then it gets the permission. 11653 allowed = true; 11654 } 11655 } 11656 return allowed; 11657 } 11658 11659 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 11660 final int permCount = pkg.requestedPermissions.size(); 11661 for (int j = 0; j < permCount; j++) { 11662 String requestedPermission = pkg.requestedPermissions.get(j); 11663 if (permission.equals(requestedPermission)) { 11664 return true; 11665 } 11666 } 11667 return false; 11668 } 11669 11670 final class ActivityIntentResolver 11671 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11672 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11673 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 11674 if (!sUserManager.exists(userId)) return null; 11675 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0) 11676 | (visibleToEphemeral ? PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY : 0) 11677 | (isEphemeral ? PackageManager.MATCH_EPHEMERAL : 0); 11678 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 11679 isEphemeral, userId); 11680 } 11681 11682 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11683 int userId) { 11684 if (!sUserManager.exists(userId)) return null; 11685 mFlags = flags; 11686 return super.queryIntent(intent, resolvedType, 11687 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11688 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 11689 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 11690 } 11691 11692 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11693 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11694 if (!sUserManager.exists(userId)) return null; 11695 if (packageActivities == null) { 11696 return null; 11697 } 11698 mFlags = flags; 11699 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11700 final boolean vislbleToEphemeral = 11701 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 11702 final boolean isEphemeral = (flags & PackageManager.MATCH_EPHEMERAL) != 0; 11703 final int N = packageActivities.size(); 11704 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11705 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11706 11707 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11708 for (int i = 0; i < N; ++i) { 11709 intentFilters = packageActivities.get(i).intents; 11710 if (intentFilters != null && intentFilters.size() > 0) { 11711 PackageParser.ActivityIntentInfo[] array = 11712 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11713 intentFilters.toArray(array); 11714 listCut.add(array); 11715 } 11716 } 11717 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 11718 vislbleToEphemeral, isEphemeral, listCut, userId); 11719 } 11720 11721 /** 11722 * Finds a privileged activity that matches the specified activity names. 11723 */ 11724 private PackageParser.Activity findMatchingActivity( 11725 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11726 for (PackageParser.Activity sysActivity : activityList) { 11727 if (sysActivity.info.name.equals(activityInfo.name)) { 11728 return sysActivity; 11729 } 11730 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11731 return sysActivity; 11732 } 11733 if (sysActivity.info.targetActivity != null) { 11734 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11735 return sysActivity; 11736 } 11737 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11738 return sysActivity; 11739 } 11740 } 11741 } 11742 return null; 11743 } 11744 11745 public class IterGenerator<E> { 11746 public Iterator<E> generate(ActivityIntentInfo info) { 11747 return null; 11748 } 11749 } 11750 11751 public class ActionIterGenerator extends IterGenerator<String> { 11752 @Override 11753 public Iterator<String> generate(ActivityIntentInfo info) { 11754 return info.actionsIterator(); 11755 } 11756 } 11757 11758 public class CategoriesIterGenerator extends IterGenerator<String> { 11759 @Override 11760 public Iterator<String> generate(ActivityIntentInfo info) { 11761 return info.categoriesIterator(); 11762 } 11763 } 11764 11765 public class SchemesIterGenerator extends IterGenerator<String> { 11766 @Override 11767 public Iterator<String> generate(ActivityIntentInfo info) { 11768 return info.schemesIterator(); 11769 } 11770 } 11771 11772 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11773 @Override 11774 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11775 return info.authoritiesIterator(); 11776 } 11777 } 11778 11779 /** 11780 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11781 * MODIFIED. Do not pass in a list that should not be changed. 11782 */ 11783 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11784 IterGenerator<T> generator, Iterator<T> searchIterator) { 11785 // loop through the set of actions; every one must be found in the intent filter 11786 while (searchIterator.hasNext()) { 11787 // we must have at least one filter in the list to consider a match 11788 if (intentList.size() == 0) { 11789 break; 11790 } 11791 11792 final T searchAction = searchIterator.next(); 11793 11794 // loop through the set of intent filters 11795 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11796 while (intentIter.hasNext()) { 11797 final ActivityIntentInfo intentInfo = intentIter.next(); 11798 boolean selectionFound = false; 11799 11800 // loop through the intent filter's selection criteria; at least one 11801 // of them must match the searched criteria 11802 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11803 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11804 final T intentSelection = intentSelectionIter.next(); 11805 if (intentSelection != null && intentSelection.equals(searchAction)) { 11806 selectionFound = true; 11807 break; 11808 } 11809 } 11810 11811 // the selection criteria wasn't found in this filter's set; this filter 11812 // is not a potential match 11813 if (!selectionFound) { 11814 intentIter.remove(); 11815 } 11816 } 11817 } 11818 } 11819 11820 private boolean isProtectedAction(ActivityIntentInfo filter) { 11821 final Iterator<String> actionsIter = filter.actionsIterator(); 11822 while (actionsIter != null && actionsIter.hasNext()) { 11823 final String filterAction = actionsIter.next(); 11824 if (PROTECTED_ACTIONS.contains(filterAction)) { 11825 return true; 11826 } 11827 } 11828 return false; 11829 } 11830 11831 /** 11832 * Adjusts the priority of the given intent filter according to policy. 11833 * <p> 11834 * <ul> 11835 * <li>The priority for non privileged applications is capped to '0'</li> 11836 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 11837 * <li>The priority for unbundled updates to privileged applications is capped to the 11838 * priority defined on the system partition</li> 11839 * </ul> 11840 * <p> 11841 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 11842 * allowed to obtain any priority on any action. 11843 */ 11844 private void adjustPriority( 11845 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 11846 // nothing to do; priority is fine as-is 11847 if (intent.getPriority() <= 0) { 11848 return; 11849 } 11850 11851 final ActivityInfo activityInfo = intent.activity.info; 11852 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 11853 11854 final boolean privilegedApp = 11855 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 11856 if (!privilegedApp) { 11857 // non-privileged applications can never define a priority >0 11858 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 11859 + " package: " + applicationInfo.packageName 11860 + " activity: " + intent.activity.className 11861 + " origPrio: " + intent.getPriority()); 11862 intent.setPriority(0); 11863 return; 11864 } 11865 11866 if (systemActivities == null) { 11867 // the system package is not disabled; we're parsing the system partition 11868 if (isProtectedAction(intent)) { 11869 if (mDeferProtectedFilters) { 11870 // We can't deal with these just yet. No component should ever obtain a 11871 // >0 priority for a protected actions, with ONE exception -- the setup 11872 // wizard. The setup wizard, however, cannot be known until we're able to 11873 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 11874 // until all intent filters have been processed. Chicken, meet egg. 11875 // Let the filter temporarily have a high priority and rectify the 11876 // priorities after all system packages have been scanned. 11877 mProtectedFilters.add(intent); 11878 if (DEBUG_FILTERS) { 11879 Slog.i(TAG, "Protected action; save for later;" 11880 + " package: " + applicationInfo.packageName 11881 + " activity: " + intent.activity.className 11882 + " origPrio: " + intent.getPriority()); 11883 } 11884 return; 11885 } else { 11886 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 11887 Slog.i(TAG, "No setup wizard;" 11888 + " All protected intents capped to priority 0"); 11889 } 11890 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 11891 if (DEBUG_FILTERS) { 11892 Slog.i(TAG, "Found setup wizard;" 11893 + " allow priority " + intent.getPriority() + ";" 11894 + " package: " + intent.activity.info.packageName 11895 + " activity: " + intent.activity.className 11896 + " priority: " + intent.getPriority()); 11897 } 11898 // setup wizard gets whatever it wants 11899 return; 11900 } 11901 Slog.w(TAG, "Protected action; cap priority to 0;" 11902 + " package: " + intent.activity.info.packageName 11903 + " activity: " + intent.activity.className 11904 + " origPrio: " + intent.getPriority()); 11905 intent.setPriority(0); 11906 return; 11907 } 11908 } 11909 // privileged apps on the system image get whatever priority they request 11910 return; 11911 } 11912 11913 // privileged app unbundled update ... try to find the same activity 11914 final PackageParser.Activity foundActivity = 11915 findMatchingActivity(systemActivities, activityInfo); 11916 if (foundActivity == null) { 11917 // this is a new activity; it cannot obtain >0 priority 11918 if (DEBUG_FILTERS) { 11919 Slog.i(TAG, "New activity; cap priority to 0;" 11920 + " package: " + applicationInfo.packageName 11921 + " activity: " + intent.activity.className 11922 + " origPrio: " + intent.getPriority()); 11923 } 11924 intent.setPriority(0); 11925 return; 11926 } 11927 11928 // found activity, now check for filter equivalence 11929 11930 // a shallow copy is enough; we modify the list, not its contents 11931 final List<ActivityIntentInfo> intentListCopy = 11932 new ArrayList<>(foundActivity.intents); 11933 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 11934 11935 // find matching action subsets 11936 final Iterator<String> actionsIterator = intent.actionsIterator(); 11937 if (actionsIterator != null) { 11938 getIntentListSubset( 11939 intentListCopy, new ActionIterGenerator(), actionsIterator); 11940 if (intentListCopy.size() == 0) { 11941 // no more intents to match; we're not equivalent 11942 if (DEBUG_FILTERS) { 11943 Slog.i(TAG, "Mismatched action; cap priority to 0;" 11944 + " package: " + applicationInfo.packageName 11945 + " activity: " + intent.activity.className 11946 + " origPrio: " + intent.getPriority()); 11947 } 11948 intent.setPriority(0); 11949 return; 11950 } 11951 } 11952 11953 // find matching category subsets 11954 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 11955 if (categoriesIterator != null) { 11956 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 11957 categoriesIterator); 11958 if (intentListCopy.size() == 0) { 11959 // no more intents to match; we're not equivalent 11960 if (DEBUG_FILTERS) { 11961 Slog.i(TAG, "Mismatched category; cap priority to 0;" 11962 + " package: " + applicationInfo.packageName 11963 + " activity: " + intent.activity.className 11964 + " origPrio: " + intent.getPriority()); 11965 } 11966 intent.setPriority(0); 11967 return; 11968 } 11969 } 11970 11971 // find matching schemes subsets 11972 final Iterator<String> schemesIterator = intent.schemesIterator(); 11973 if (schemesIterator != null) { 11974 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 11975 schemesIterator); 11976 if (intentListCopy.size() == 0) { 11977 // no more intents to match; we're not equivalent 11978 if (DEBUG_FILTERS) { 11979 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 11980 + " package: " + applicationInfo.packageName 11981 + " activity: " + intent.activity.className 11982 + " origPrio: " + intent.getPriority()); 11983 } 11984 intent.setPriority(0); 11985 return; 11986 } 11987 } 11988 11989 // find matching authorities subsets 11990 final Iterator<IntentFilter.AuthorityEntry> 11991 authoritiesIterator = intent.authoritiesIterator(); 11992 if (authoritiesIterator != null) { 11993 getIntentListSubset(intentListCopy, 11994 new AuthoritiesIterGenerator(), 11995 authoritiesIterator); 11996 if (intentListCopy.size() == 0) { 11997 // no more intents to match; we're not equivalent 11998 if (DEBUG_FILTERS) { 11999 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12000 + " package: " + applicationInfo.packageName 12001 + " activity: " + intent.activity.className 12002 + " origPrio: " + intent.getPriority()); 12003 } 12004 intent.setPriority(0); 12005 return; 12006 } 12007 } 12008 12009 // we found matching filter(s); app gets the max priority of all intents 12010 int cappedPriority = 0; 12011 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12012 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12013 } 12014 if (intent.getPriority() > cappedPriority) { 12015 if (DEBUG_FILTERS) { 12016 Slog.i(TAG, "Found matching filter(s);" 12017 + " cap priority to " + cappedPriority + ";" 12018 + " package: " + applicationInfo.packageName 12019 + " activity: " + intent.activity.className 12020 + " origPrio: " + intent.getPriority()); 12021 } 12022 intent.setPriority(cappedPriority); 12023 return; 12024 } 12025 // all this for nothing; the requested priority was <= what was on the system 12026 } 12027 12028 public final void addActivity(PackageParser.Activity a, String type) { 12029 mActivities.put(a.getComponentName(), a); 12030 if (DEBUG_SHOW_INFO) 12031 Log.v( 12032 TAG, " " + type + " " + 12033 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12034 if (DEBUG_SHOW_INFO) 12035 Log.v(TAG, " Class=" + a.info.name); 12036 final int NI = a.intents.size(); 12037 for (int j=0; j<NI; j++) { 12038 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12039 if ("activity".equals(type)) { 12040 final PackageSetting ps = 12041 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12042 final List<PackageParser.Activity> systemActivities = 12043 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12044 adjustPriority(systemActivities, intent); 12045 } 12046 if (DEBUG_SHOW_INFO) { 12047 Log.v(TAG, " IntentFilter:"); 12048 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12049 } 12050 if (!intent.debugCheck()) { 12051 Log.w(TAG, "==> For Activity " + a.info.name); 12052 } 12053 addFilter(intent); 12054 } 12055 } 12056 12057 public final void removeActivity(PackageParser.Activity a, String type) { 12058 mActivities.remove(a.getComponentName()); 12059 if (DEBUG_SHOW_INFO) { 12060 Log.v(TAG, " " + type + " " 12061 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12062 : a.info.name) + ":"); 12063 Log.v(TAG, " Class=" + a.info.name); 12064 } 12065 final int NI = a.intents.size(); 12066 for (int j=0; j<NI; j++) { 12067 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12068 if (DEBUG_SHOW_INFO) { 12069 Log.v(TAG, " IntentFilter:"); 12070 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12071 } 12072 removeFilter(intent); 12073 } 12074 } 12075 12076 @Override 12077 protected boolean allowFilterResult( 12078 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12079 ActivityInfo filterAi = filter.activity.info; 12080 for (int i=dest.size()-1; i>=0; i--) { 12081 ActivityInfo destAi = dest.get(i).activityInfo; 12082 if (destAi.name == filterAi.name 12083 && destAi.packageName == filterAi.packageName) { 12084 return false; 12085 } 12086 } 12087 return true; 12088 } 12089 12090 @Override 12091 protected ActivityIntentInfo[] newArray(int size) { 12092 return new ActivityIntentInfo[size]; 12093 } 12094 12095 @Override 12096 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12097 if (!sUserManager.exists(userId)) return true; 12098 PackageParser.Package p = filter.activity.owner; 12099 if (p != null) { 12100 PackageSetting ps = (PackageSetting)p.mExtras; 12101 if (ps != null) { 12102 // System apps are never considered stopped for purposes of 12103 // filtering, because there may be no way for the user to 12104 // actually re-launch them. 12105 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12106 && ps.getStopped(userId); 12107 } 12108 } 12109 return false; 12110 } 12111 12112 @Override 12113 protected boolean isPackageForFilter(String packageName, 12114 PackageParser.ActivityIntentInfo info) { 12115 return packageName.equals(info.activity.owner.packageName); 12116 } 12117 12118 @Override 12119 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12120 int match, int userId) { 12121 if (!sUserManager.exists(userId)) return null; 12122 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12123 return null; 12124 } 12125 final PackageParser.Activity activity = info.activity; 12126 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12127 if (ps == null) { 12128 return null; 12129 } 12130 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 12131 ps.readUserState(userId), userId); 12132 if (ai == null) { 12133 return null; 12134 } 12135 final ResolveInfo res = new ResolveInfo(); 12136 res.activityInfo = ai; 12137 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12138 res.filter = info; 12139 } 12140 if (info != null) { 12141 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12142 } 12143 res.priority = info.getPriority(); 12144 res.preferredOrder = activity.owner.mPreferredOrder; 12145 //System.out.println("Result: " + res.activityInfo.className + 12146 // " = " + res.priority); 12147 res.match = match; 12148 res.isDefault = info.hasDefault; 12149 res.labelRes = info.labelRes; 12150 res.nonLocalizedLabel = info.nonLocalizedLabel; 12151 if (userNeedsBadging(userId)) { 12152 res.noResourceId = true; 12153 } else { 12154 res.icon = info.icon; 12155 } 12156 res.iconResourceId = info.icon; 12157 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12158 return res; 12159 } 12160 12161 @Override 12162 protected void sortResults(List<ResolveInfo> results) { 12163 Collections.sort(results, mResolvePrioritySorter); 12164 } 12165 12166 @Override 12167 protected void dumpFilter(PrintWriter out, String prefix, 12168 PackageParser.ActivityIntentInfo filter) { 12169 out.print(prefix); out.print( 12170 Integer.toHexString(System.identityHashCode(filter.activity))); 12171 out.print(' '); 12172 filter.activity.printComponentShortName(out); 12173 out.print(" filter "); 12174 out.println(Integer.toHexString(System.identityHashCode(filter))); 12175 } 12176 12177 @Override 12178 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12179 return filter.activity; 12180 } 12181 12182 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12183 PackageParser.Activity activity = (PackageParser.Activity)label; 12184 out.print(prefix); out.print( 12185 Integer.toHexString(System.identityHashCode(activity))); 12186 out.print(' '); 12187 activity.printComponentShortName(out); 12188 if (count > 1) { 12189 out.print(" ("); out.print(count); out.print(" filters)"); 12190 } 12191 out.println(); 12192 } 12193 12194 // Keys are String (activity class name), values are Activity. 12195 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12196 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12197 private int mFlags; 12198 } 12199 12200 private final class ServiceIntentResolver 12201 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12202 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12203 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 12204 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12205 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 12206 isEphemeral, userId); 12207 } 12208 12209 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12210 int userId) { 12211 if (!sUserManager.exists(userId)) return null; 12212 mFlags = flags; 12213 return super.queryIntent(intent, resolvedType, 12214 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12215 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 12216 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 12217 } 12218 12219 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12220 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12221 if (!sUserManager.exists(userId)) return null; 12222 if (packageServices == null) { 12223 return null; 12224 } 12225 mFlags = flags; 12226 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12227 final boolean vislbleToEphemeral = 12228 (flags&PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 12229 final boolean isEphemeral = (flags&PackageManager.MATCH_EPHEMERAL) != 0; 12230 final int N = packageServices.size(); 12231 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12232 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12233 12234 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12235 for (int i = 0; i < N; ++i) { 12236 intentFilters = packageServices.get(i).intents; 12237 if (intentFilters != null && intentFilters.size() > 0) { 12238 PackageParser.ServiceIntentInfo[] array = 12239 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12240 intentFilters.toArray(array); 12241 listCut.add(array); 12242 } 12243 } 12244 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 12245 vislbleToEphemeral, isEphemeral, listCut, userId); 12246 } 12247 12248 public final void addService(PackageParser.Service s) { 12249 mServices.put(s.getComponentName(), s); 12250 if (DEBUG_SHOW_INFO) { 12251 Log.v(TAG, " " 12252 + (s.info.nonLocalizedLabel != null 12253 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12254 Log.v(TAG, " Class=" + s.info.name); 12255 } 12256 final int NI = s.intents.size(); 12257 int j; 12258 for (j=0; j<NI; j++) { 12259 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12260 if (DEBUG_SHOW_INFO) { 12261 Log.v(TAG, " IntentFilter:"); 12262 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12263 } 12264 if (!intent.debugCheck()) { 12265 Log.w(TAG, "==> For Service " + s.info.name); 12266 } 12267 addFilter(intent); 12268 } 12269 } 12270 12271 public final void removeService(PackageParser.Service s) { 12272 mServices.remove(s.getComponentName()); 12273 if (DEBUG_SHOW_INFO) { 12274 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12275 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12276 Log.v(TAG, " Class=" + s.info.name); 12277 } 12278 final int NI = s.intents.size(); 12279 int j; 12280 for (j=0; j<NI; j++) { 12281 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12282 if (DEBUG_SHOW_INFO) { 12283 Log.v(TAG, " IntentFilter:"); 12284 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12285 } 12286 removeFilter(intent); 12287 } 12288 } 12289 12290 @Override 12291 protected boolean allowFilterResult( 12292 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12293 ServiceInfo filterSi = filter.service.info; 12294 for (int i=dest.size()-1; i>=0; i--) { 12295 ServiceInfo destAi = dest.get(i).serviceInfo; 12296 if (destAi.name == filterSi.name 12297 && destAi.packageName == filterSi.packageName) { 12298 return false; 12299 } 12300 } 12301 return true; 12302 } 12303 12304 @Override 12305 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12306 return new PackageParser.ServiceIntentInfo[size]; 12307 } 12308 12309 @Override 12310 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12311 if (!sUserManager.exists(userId)) return true; 12312 PackageParser.Package p = filter.service.owner; 12313 if (p != null) { 12314 PackageSetting ps = (PackageSetting)p.mExtras; 12315 if (ps != null) { 12316 // System apps are never considered stopped for purposes of 12317 // filtering, because there may be no way for the user to 12318 // actually re-launch them. 12319 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12320 && ps.getStopped(userId); 12321 } 12322 } 12323 return false; 12324 } 12325 12326 @Override 12327 protected boolean isPackageForFilter(String packageName, 12328 PackageParser.ServiceIntentInfo info) { 12329 return packageName.equals(info.service.owner.packageName); 12330 } 12331 12332 @Override 12333 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12334 int match, int userId) { 12335 if (!sUserManager.exists(userId)) return null; 12336 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12337 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12338 return null; 12339 } 12340 final PackageParser.Service service = info.service; 12341 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12342 if (ps == null) { 12343 return null; 12344 } 12345 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12346 ps.readUserState(userId), userId); 12347 if (si == null) { 12348 return null; 12349 } 12350 final ResolveInfo res = new ResolveInfo(); 12351 res.serviceInfo = si; 12352 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12353 res.filter = filter; 12354 } 12355 res.priority = info.getPriority(); 12356 res.preferredOrder = service.owner.mPreferredOrder; 12357 res.match = match; 12358 res.isDefault = info.hasDefault; 12359 res.labelRes = info.labelRes; 12360 res.nonLocalizedLabel = info.nonLocalizedLabel; 12361 res.icon = info.icon; 12362 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12363 return res; 12364 } 12365 12366 @Override 12367 protected void sortResults(List<ResolveInfo> results) { 12368 Collections.sort(results, mResolvePrioritySorter); 12369 } 12370 12371 @Override 12372 protected void dumpFilter(PrintWriter out, String prefix, 12373 PackageParser.ServiceIntentInfo filter) { 12374 out.print(prefix); out.print( 12375 Integer.toHexString(System.identityHashCode(filter.service))); 12376 out.print(' '); 12377 filter.service.printComponentShortName(out); 12378 out.print(" filter "); 12379 out.println(Integer.toHexString(System.identityHashCode(filter))); 12380 } 12381 12382 @Override 12383 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12384 return filter.service; 12385 } 12386 12387 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12388 PackageParser.Service service = (PackageParser.Service)label; 12389 out.print(prefix); out.print( 12390 Integer.toHexString(System.identityHashCode(service))); 12391 out.print(' '); 12392 service.printComponentShortName(out); 12393 if (count > 1) { 12394 out.print(" ("); out.print(count); out.print(" filters)"); 12395 } 12396 out.println(); 12397 } 12398 12399// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12400// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12401// final List<ResolveInfo> retList = Lists.newArrayList(); 12402// while (i.hasNext()) { 12403// final ResolveInfo resolveInfo = (ResolveInfo) i; 12404// if (isEnabledLP(resolveInfo.serviceInfo)) { 12405// retList.add(resolveInfo); 12406// } 12407// } 12408// return retList; 12409// } 12410 12411 // Keys are String (activity class name), values are Activity. 12412 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12413 = new ArrayMap<ComponentName, PackageParser.Service>(); 12414 private int mFlags; 12415 } 12416 12417 private final class ProviderIntentResolver 12418 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12419 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12420 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 12421 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12422 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 12423 isEphemeral, userId); 12424 } 12425 12426 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12427 int userId) { 12428 if (!sUserManager.exists(userId)) 12429 return null; 12430 mFlags = flags; 12431 return super.queryIntent(intent, resolvedType, 12432 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12433 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 12434 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 12435 } 12436 12437 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12438 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12439 if (!sUserManager.exists(userId)) 12440 return null; 12441 if (packageProviders == null) { 12442 return null; 12443 } 12444 mFlags = flags; 12445 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12446 final boolean isEphemeral = (flags&PackageManager.MATCH_EPHEMERAL) != 0; 12447 final boolean vislbleToEphemeral = 12448 (flags&PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 12449 final int N = packageProviders.size(); 12450 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12451 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12452 12453 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12454 for (int i = 0; i < N; ++i) { 12455 intentFilters = packageProviders.get(i).intents; 12456 if (intentFilters != null && intentFilters.size() > 0) { 12457 PackageParser.ProviderIntentInfo[] array = 12458 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12459 intentFilters.toArray(array); 12460 listCut.add(array); 12461 } 12462 } 12463 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 12464 vislbleToEphemeral, isEphemeral, listCut, userId); 12465 } 12466 12467 public final void addProvider(PackageParser.Provider p) { 12468 if (mProviders.containsKey(p.getComponentName())) { 12469 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12470 return; 12471 } 12472 12473 mProviders.put(p.getComponentName(), p); 12474 if (DEBUG_SHOW_INFO) { 12475 Log.v(TAG, " " 12476 + (p.info.nonLocalizedLabel != null 12477 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12478 Log.v(TAG, " Class=" + p.info.name); 12479 } 12480 final int NI = p.intents.size(); 12481 int j; 12482 for (j = 0; j < NI; j++) { 12483 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12484 if (DEBUG_SHOW_INFO) { 12485 Log.v(TAG, " IntentFilter:"); 12486 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12487 } 12488 if (!intent.debugCheck()) { 12489 Log.w(TAG, "==> For Provider " + p.info.name); 12490 } 12491 addFilter(intent); 12492 } 12493 } 12494 12495 public final void removeProvider(PackageParser.Provider p) { 12496 mProviders.remove(p.getComponentName()); 12497 if (DEBUG_SHOW_INFO) { 12498 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12499 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12500 Log.v(TAG, " Class=" + p.info.name); 12501 } 12502 final int NI = p.intents.size(); 12503 int j; 12504 for (j = 0; j < NI; j++) { 12505 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12506 if (DEBUG_SHOW_INFO) { 12507 Log.v(TAG, " IntentFilter:"); 12508 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12509 } 12510 removeFilter(intent); 12511 } 12512 } 12513 12514 @Override 12515 protected boolean allowFilterResult( 12516 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12517 ProviderInfo filterPi = filter.provider.info; 12518 for (int i = dest.size() - 1; i >= 0; i--) { 12519 ProviderInfo destPi = dest.get(i).providerInfo; 12520 if (destPi.name == filterPi.name 12521 && destPi.packageName == filterPi.packageName) { 12522 return false; 12523 } 12524 } 12525 return true; 12526 } 12527 12528 @Override 12529 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12530 return new PackageParser.ProviderIntentInfo[size]; 12531 } 12532 12533 @Override 12534 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12535 if (!sUserManager.exists(userId)) 12536 return true; 12537 PackageParser.Package p = filter.provider.owner; 12538 if (p != null) { 12539 PackageSetting ps = (PackageSetting) p.mExtras; 12540 if (ps != null) { 12541 // System apps are never considered stopped for purposes of 12542 // filtering, because there may be no way for the user to 12543 // actually re-launch them. 12544 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12545 && ps.getStopped(userId); 12546 } 12547 } 12548 return false; 12549 } 12550 12551 @Override 12552 protected boolean isPackageForFilter(String packageName, 12553 PackageParser.ProviderIntentInfo info) { 12554 return packageName.equals(info.provider.owner.packageName); 12555 } 12556 12557 @Override 12558 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12559 int match, int userId) { 12560 if (!sUserManager.exists(userId)) 12561 return null; 12562 final PackageParser.ProviderIntentInfo info = filter; 12563 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12564 return null; 12565 } 12566 final PackageParser.Provider provider = info.provider; 12567 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12568 if (ps == null) { 12569 return null; 12570 } 12571 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12572 ps.readUserState(userId), userId); 12573 if (pi == null) { 12574 return null; 12575 } 12576 final ResolveInfo res = new ResolveInfo(); 12577 res.providerInfo = pi; 12578 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12579 res.filter = filter; 12580 } 12581 res.priority = info.getPriority(); 12582 res.preferredOrder = provider.owner.mPreferredOrder; 12583 res.match = match; 12584 res.isDefault = info.hasDefault; 12585 res.labelRes = info.labelRes; 12586 res.nonLocalizedLabel = info.nonLocalizedLabel; 12587 res.icon = info.icon; 12588 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12589 return res; 12590 } 12591 12592 @Override 12593 protected void sortResults(List<ResolveInfo> results) { 12594 Collections.sort(results, mResolvePrioritySorter); 12595 } 12596 12597 @Override 12598 protected void dumpFilter(PrintWriter out, String prefix, 12599 PackageParser.ProviderIntentInfo filter) { 12600 out.print(prefix); 12601 out.print( 12602 Integer.toHexString(System.identityHashCode(filter.provider))); 12603 out.print(' '); 12604 filter.provider.printComponentShortName(out); 12605 out.print(" filter "); 12606 out.println(Integer.toHexString(System.identityHashCode(filter))); 12607 } 12608 12609 @Override 12610 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12611 return filter.provider; 12612 } 12613 12614 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12615 PackageParser.Provider provider = (PackageParser.Provider)label; 12616 out.print(prefix); out.print( 12617 Integer.toHexString(System.identityHashCode(provider))); 12618 out.print(' '); 12619 provider.printComponentShortName(out); 12620 if (count > 1) { 12621 out.print(" ("); out.print(count); out.print(" filters)"); 12622 } 12623 out.println(); 12624 } 12625 12626 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12627 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12628 private int mFlags; 12629 } 12630 12631 static final class EphemeralIntentResolver 12632 extends IntentResolver<EphemeralResponse, EphemeralResponse> { 12633 /** 12634 * The result that has the highest defined order. Ordering applies on a 12635 * per-package basis. Mapping is from package name to Pair of order and 12636 * EphemeralResolveInfo. 12637 * <p> 12638 * NOTE: This is implemented as a field variable for convenience and efficiency. 12639 * By having a field variable, we're able to track filter ordering as soon as 12640 * a non-zero order is defined. Otherwise, multiple loops across the result set 12641 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12642 * this needs to be contained entirely within {@link #filterResults()}. 12643 */ 12644 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 12645 12646 @Override 12647 protected EphemeralResponse[] newArray(int size) { 12648 return new EphemeralResponse[size]; 12649 } 12650 12651 @Override 12652 protected boolean isPackageForFilter(String packageName, EphemeralResponse responseObj) { 12653 return true; 12654 } 12655 12656 @Override 12657 protected EphemeralResponse newResult(EphemeralResponse responseObj, int match, 12658 int userId) { 12659 if (!sUserManager.exists(userId)) { 12660 return null; 12661 } 12662 final String packageName = responseObj.resolveInfo.getPackageName(); 12663 final Integer order = responseObj.getOrder(); 12664 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 12665 mOrderResult.get(packageName); 12666 // ordering is enabled and this item's order isn't high enough 12667 if (lastOrderResult != null && lastOrderResult.first >= order) { 12668 return null; 12669 } 12670 final EphemeralResolveInfo res = responseObj.resolveInfo; 12671 if (order > 0) { 12672 // non-zero order, enable ordering 12673 mOrderResult.put(packageName, new Pair<>(order, res)); 12674 } 12675 return responseObj; 12676 } 12677 12678 @Override 12679 protected void filterResults(List<EphemeralResponse> results) { 12680 // only do work if ordering is enabled [most of the time it won't be] 12681 if (mOrderResult.size() == 0) { 12682 return; 12683 } 12684 int resultSize = results.size(); 12685 for (int i = 0; i < resultSize; i++) { 12686 final EphemeralResolveInfo info = results.get(i).resolveInfo; 12687 final String packageName = info.getPackageName(); 12688 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 12689 if (savedInfo == null) { 12690 // package doesn't having ordering 12691 continue; 12692 } 12693 if (savedInfo.second == info) { 12694 // circled back to the highest ordered item; remove from order list 12695 mOrderResult.remove(savedInfo); 12696 if (mOrderResult.size() == 0) { 12697 // no more ordered items 12698 break; 12699 } 12700 continue; 12701 } 12702 // item has a worse order, remove it from the result list 12703 results.remove(i); 12704 resultSize--; 12705 i--; 12706 } 12707 } 12708 } 12709 12710 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 12711 new Comparator<ResolveInfo>() { 12712 public int compare(ResolveInfo r1, ResolveInfo r2) { 12713 int v1 = r1.priority; 12714 int v2 = r2.priority; 12715 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 12716 if (v1 != v2) { 12717 return (v1 > v2) ? -1 : 1; 12718 } 12719 v1 = r1.preferredOrder; 12720 v2 = r2.preferredOrder; 12721 if (v1 != v2) { 12722 return (v1 > v2) ? -1 : 1; 12723 } 12724 if (r1.isDefault != r2.isDefault) { 12725 return r1.isDefault ? -1 : 1; 12726 } 12727 v1 = r1.match; 12728 v2 = r2.match; 12729 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12730 if (v1 != v2) { 12731 return (v1 > v2) ? -1 : 1; 12732 } 12733 if (r1.system != r2.system) { 12734 return r1.system ? -1 : 1; 12735 } 12736 if (r1.activityInfo != null) { 12737 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12738 } 12739 if (r1.serviceInfo != null) { 12740 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12741 } 12742 if (r1.providerInfo != null) { 12743 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12744 } 12745 return 0; 12746 } 12747 }; 12748 12749 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12750 new Comparator<ProviderInfo>() { 12751 public int compare(ProviderInfo p1, ProviderInfo p2) { 12752 final int v1 = p1.initOrder; 12753 final int v2 = p2.initOrder; 12754 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12755 } 12756 }; 12757 12758 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12759 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12760 final int[] userIds) { 12761 mHandler.post(new Runnable() { 12762 @Override 12763 public void run() { 12764 try { 12765 final IActivityManager am = ActivityManager.getService(); 12766 if (am == null) return; 12767 final int[] resolvedUserIds; 12768 if (userIds == null) { 12769 resolvedUserIds = am.getRunningUserIds(); 12770 } else { 12771 resolvedUserIds = userIds; 12772 } 12773 for (int id : resolvedUserIds) { 12774 final Intent intent = new Intent(action, 12775 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12776 if (extras != null) { 12777 intent.putExtras(extras); 12778 } 12779 if (targetPkg != null) { 12780 intent.setPackage(targetPkg); 12781 } 12782 // Modify the UID when posting to other users 12783 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12784 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12785 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12786 intent.putExtra(Intent.EXTRA_UID, uid); 12787 } 12788 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12789 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12790 if (DEBUG_BROADCASTS) { 12791 RuntimeException here = new RuntimeException("here"); 12792 here.fillInStackTrace(); 12793 Slog.d(TAG, "Sending to user " + id + ": " 12794 + intent.toShortString(false, true, false, false) 12795 + " " + intent.getExtras(), here); 12796 } 12797 am.broadcastIntent(null, intent, null, finishedReceiver, 12798 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12799 null, finishedReceiver != null, false, id); 12800 } 12801 } catch (RemoteException ex) { 12802 } 12803 } 12804 }); 12805 } 12806 12807 /** 12808 * Check if the external storage media is available. This is true if there 12809 * is a mounted external storage medium or if the external storage is 12810 * emulated. 12811 */ 12812 private boolean isExternalMediaAvailable() { 12813 return mMediaMounted || Environment.isExternalStorageEmulated(); 12814 } 12815 12816 @Override 12817 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12818 // writer 12819 synchronized (mPackages) { 12820 if (!isExternalMediaAvailable()) { 12821 // If the external storage is no longer mounted at this point, 12822 // the caller may not have been able to delete all of this 12823 // packages files and can not delete any more. Bail. 12824 return null; 12825 } 12826 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 12827 if (lastPackage != null) { 12828 pkgs.remove(lastPackage); 12829 } 12830 if (pkgs.size() > 0) { 12831 return pkgs.get(0); 12832 } 12833 } 12834 return null; 12835 } 12836 12837 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 12838 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 12839 userId, andCode ? 1 : 0, packageName); 12840 if (mSystemReady) { 12841 msg.sendToTarget(); 12842 } else { 12843 if (mPostSystemReadyMessages == null) { 12844 mPostSystemReadyMessages = new ArrayList<>(); 12845 } 12846 mPostSystemReadyMessages.add(msg); 12847 } 12848 } 12849 12850 void startCleaningPackages() { 12851 // reader 12852 if (!isExternalMediaAvailable()) { 12853 return; 12854 } 12855 synchronized (mPackages) { 12856 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 12857 return; 12858 } 12859 } 12860 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 12861 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 12862 IActivityManager am = ActivityManager.getService(); 12863 if (am != null) { 12864 try { 12865 am.startService(null, intent, null, -1, null, mContext.getOpPackageName(), 12866 UserHandle.USER_SYSTEM); 12867 } catch (RemoteException e) { 12868 } 12869 } 12870 } 12871 12872 @Override 12873 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 12874 int installFlags, String installerPackageName, int userId) { 12875 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 12876 12877 final int callingUid = Binder.getCallingUid(); 12878 enforceCrossUserPermission(callingUid, userId, 12879 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 12880 12881 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12882 try { 12883 if (observer != null) { 12884 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 12885 } 12886 } catch (RemoteException re) { 12887 } 12888 return; 12889 } 12890 12891 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 12892 installFlags |= PackageManager.INSTALL_FROM_ADB; 12893 12894 } else { 12895 // Caller holds INSTALL_PACKAGES permission, so we're less strict 12896 // about installerPackageName. 12897 12898 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 12899 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 12900 } 12901 12902 UserHandle user; 12903 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 12904 user = UserHandle.ALL; 12905 } else { 12906 user = new UserHandle(userId); 12907 } 12908 12909 // Only system components can circumvent runtime permissions when installing. 12910 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 12911 && mContext.checkCallingOrSelfPermission(Manifest.permission 12912 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 12913 throw new SecurityException("You need the " 12914 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 12915 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 12916 } 12917 12918 final File originFile = new File(originPath); 12919 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 12920 12921 final Message msg = mHandler.obtainMessage(INIT_COPY); 12922 final VerificationInfo verificationInfo = new VerificationInfo( 12923 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 12924 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 12925 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 12926 null /*packageAbiOverride*/, null /*grantedPermissions*/, 12927 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 12928 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 12929 msg.obj = params; 12930 12931 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 12932 System.identityHashCode(msg.obj)); 12933 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12934 System.identityHashCode(msg.obj)); 12935 12936 mHandler.sendMessage(msg); 12937 } 12938 12939 12940 /** 12941 * Ensure that the install reason matches what we know about the package installer (e.g. whether 12942 * it is acting on behalf on an enterprise or the user). 12943 * 12944 * Note that the ordering of the conditionals in this method is important. The checks we perform 12945 * are as follows, in this order: 12946 * 12947 * 1) If the install is being performed by a system app, we can trust the app to have set the 12948 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 12949 * what it is. 12950 * 2) If the install is being performed by a device or profile owner app, the install reason 12951 * should be enterprise policy. However, we cannot be sure that the device or profile owner 12952 * set the install reason correctly. If the app targets an older SDK version where install 12953 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 12954 * unset or wrong. Thus, we force the install reason to be enterprise policy. 12955 * 3) In all other cases, the install is being performed by a regular app that is neither part 12956 * of the system nor a device or profile owner. We have no reason to believe that this app is 12957 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 12958 * set to enterprise policy and if so, change it to unknown instead. 12959 */ 12960 private int fixUpInstallReason(String installerPackageName, int installerUid, 12961 int installReason) { 12962 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 12963 == PERMISSION_GRANTED) { 12964 // If the install is being performed by a system app, we trust that app to have set the 12965 // install reason correctly. 12966 return installReason; 12967 } 12968 12969 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 12970 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 12971 if (dpm != null) { 12972 ComponentName owner = null; 12973 try { 12974 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 12975 if (owner == null) { 12976 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 12977 } 12978 } catch (RemoteException e) { 12979 } 12980 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 12981 // If the install is being performed by a device or profile owner, the install 12982 // reason should be enterprise policy. 12983 return PackageManager.INSTALL_REASON_POLICY; 12984 } 12985 } 12986 12987 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 12988 // If the install is being performed by a regular app (i.e. neither system app nor 12989 // device or profile owner), we have no reason to believe that the app is acting on 12990 // behalf of an enterprise. If the app set the install reason to enterprise policy, 12991 // change it to unknown instead. 12992 return PackageManager.INSTALL_REASON_UNKNOWN; 12993 } 12994 12995 // If the install is being performed by a regular app and the install reason was set to any 12996 // value but enterprise policy, leave the install reason unchanged. 12997 return installReason; 12998 } 12999 13000 void installStage(String packageName, File stagedDir, String stagedCid, 13001 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13002 String installerPackageName, int installerUid, UserHandle user, 13003 Certificate[][] certificates) { 13004 if (DEBUG_EPHEMERAL) { 13005 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 13006 Slog.d(TAG, "Ephemeral install of " + packageName); 13007 } 13008 } 13009 final VerificationInfo verificationInfo = new VerificationInfo( 13010 sessionParams.originatingUri, sessionParams.referrerUri, 13011 sessionParams.originatingUid, installerUid); 13012 13013 final OriginInfo origin; 13014 if (stagedDir != null) { 13015 origin = OriginInfo.fromStagedFile(stagedDir); 13016 } else { 13017 origin = OriginInfo.fromStagedContainer(stagedCid); 13018 } 13019 13020 final Message msg = mHandler.obtainMessage(INIT_COPY); 13021 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13022 sessionParams.installReason); 13023 final InstallParams params = new InstallParams(origin, null, observer, 13024 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13025 verificationInfo, user, sessionParams.abiOverride, 13026 sessionParams.grantedRuntimePermissions, certificates, installReason); 13027 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13028 msg.obj = params; 13029 13030 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13031 System.identityHashCode(msg.obj)); 13032 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13033 System.identityHashCode(msg.obj)); 13034 13035 mHandler.sendMessage(msg); 13036 } 13037 13038 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13039 int userId) { 13040 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13041 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 13042 } 13043 13044 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 13045 int appId, int... userIds) { 13046 if (ArrayUtils.isEmpty(userIds)) { 13047 return; 13048 } 13049 Bundle extras = new Bundle(1); 13050 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13051 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 13052 13053 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13054 packageName, extras, 0, null, null, userIds); 13055 if (isSystem) { 13056 mHandler.post(() -> { 13057 for (int userId : userIds) { 13058 sendBootCompletedBroadcastToSystemApp(packageName, userId); 13059 } 13060 } 13061 ); 13062 } 13063 } 13064 13065 /** 13066 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13067 * automatically without needing an explicit launch. 13068 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13069 */ 13070 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 13071 // If user is not running, the app didn't miss any broadcast 13072 if (!mUserManagerInternal.isUserRunning(userId)) { 13073 return; 13074 } 13075 final IActivityManager am = ActivityManager.getService(); 13076 try { 13077 // Deliver LOCKED_BOOT_COMPLETED first 13078 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13079 .setPackage(packageName); 13080 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13081 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13082 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13083 13084 // Deliver BOOT_COMPLETED only if user is unlocked 13085 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13086 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13087 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13088 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13089 } 13090 } catch (RemoteException e) { 13091 throw e.rethrowFromSystemServer(); 13092 } 13093 } 13094 13095 @Override 13096 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13097 int userId) { 13098 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13099 PackageSetting pkgSetting; 13100 final int uid = Binder.getCallingUid(); 13101 enforceCrossUserPermission(uid, userId, 13102 true /* requireFullPermission */, true /* checkShell */, 13103 "setApplicationHiddenSetting for user " + userId); 13104 13105 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13106 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13107 return false; 13108 } 13109 13110 long callingId = Binder.clearCallingIdentity(); 13111 try { 13112 boolean sendAdded = false; 13113 boolean sendRemoved = false; 13114 // writer 13115 synchronized (mPackages) { 13116 pkgSetting = mSettings.mPackages.get(packageName); 13117 if (pkgSetting == null) { 13118 return false; 13119 } 13120 // Do not allow "android" is being disabled 13121 if ("android".equals(packageName)) { 13122 Slog.w(TAG, "Cannot hide package: android"); 13123 return false; 13124 } 13125 // Cannot hide static shared libs as they are considered 13126 // a part of the using app (emulating static linking). Also 13127 // static libs are installed always on internal storage. 13128 PackageParser.Package pkg = mPackages.get(packageName); 13129 if (pkg != null && pkg.staticSharedLibName != null) { 13130 Slog.w(TAG, "Cannot hide package: " + packageName 13131 + " providing static shared library: " 13132 + pkg.staticSharedLibName); 13133 return false; 13134 } 13135 // Only allow protected packages to hide themselves. 13136 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 13137 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13138 Slog.w(TAG, "Not hiding protected package: " + packageName); 13139 return false; 13140 } 13141 13142 if (pkgSetting.getHidden(userId) != hidden) { 13143 pkgSetting.setHidden(hidden, userId); 13144 mSettings.writePackageRestrictionsLPr(userId); 13145 if (hidden) { 13146 sendRemoved = true; 13147 } else { 13148 sendAdded = true; 13149 } 13150 } 13151 } 13152 if (sendAdded) { 13153 sendPackageAddedForUser(packageName, pkgSetting, userId); 13154 return true; 13155 } 13156 if (sendRemoved) { 13157 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13158 "hiding pkg"); 13159 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13160 return true; 13161 } 13162 } finally { 13163 Binder.restoreCallingIdentity(callingId); 13164 } 13165 return false; 13166 } 13167 13168 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13169 int userId) { 13170 final PackageRemovedInfo info = new PackageRemovedInfo(); 13171 info.removedPackage = packageName; 13172 info.removedUsers = new int[] {userId}; 13173 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13174 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13175 } 13176 13177 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13178 if (pkgList.length > 0) { 13179 Bundle extras = new Bundle(1); 13180 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13181 13182 sendPackageBroadcast( 13183 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13184 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13185 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13186 new int[] {userId}); 13187 } 13188 } 13189 13190 /** 13191 * Returns true if application is not found or there was an error. Otherwise it returns 13192 * the hidden state of the package for the given user. 13193 */ 13194 @Override 13195 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13196 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13197 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13198 true /* requireFullPermission */, false /* checkShell */, 13199 "getApplicationHidden for user " + userId); 13200 PackageSetting pkgSetting; 13201 long callingId = Binder.clearCallingIdentity(); 13202 try { 13203 // writer 13204 synchronized (mPackages) { 13205 pkgSetting = mSettings.mPackages.get(packageName); 13206 if (pkgSetting == null) { 13207 return true; 13208 } 13209 return pkgSetting.getHidden(userId); 13210 } 13211 } finally { 13212 Binder.restoreCallingIdentity(callingId); 13213 } 13214 } 13215 13216 /** 13217 * @hide 13218 */ 13219 @Override 13220 public int installExistingPackageAsUser(String packageName, int userId, int installReason) { 13221 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13222 null); 13223 PackageSetting pkgSetting; 13224 final int uid = Binder.getCallingUid(); 13225 enforceCrossUserPermission(uid, userId, 13226 true /* requireFullPermission */, true /* checkShell */, 13227 "installExistingPackage for user " + userId); 13228 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13229 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13230 } 13231 13232 long callingId = Binder.clearCallingIdentity(); 13233 try { 13234 boolean installed = false; 13235 13236 // writer 13237 synchronized (mPackages) { 13238 pkgSetting = mSettings.mPackages.get(packageName); 13239 if (pkgSetting == null) { 13240 return PackageManager.INSTALL_FAILED_INVALID_URI; 13241 } 13242 if (!pkgSetting.getInstalled(userId)) { 13243 pkgSetting.setInstalled(true, userId); 13244 pkgSetting.setHidden(false, userId); 13245 pkgSetting.setInstallReason(installReason, userId); 13246 mSettings.writePackageRestrictionsLPr(userId); 13247 installed = true; 13248 } 13249 } 13250 13251 if (installed) { 13252 if (pkgSetting.pkg != null) { 13253 synchronized (mInstallLock) { 13254 // We don't need to freeze for a brand new install 13255 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13256 } 13257 } 13258 sendPackageAddedForUser(packageName, pkgSetting, userId); 13259 } 13260 } finally { 13261 Binder.restoreCallingIdentity(callingId); 13262 } 13263 13264 return PackageManager.INSTALL_SUCCEEDED; 13265 } 13266 13267 boolean isUserRestricted(int userId, String restrictionKey) { 13268 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13269 if (restrictions.getBoolean(restrictionKey, false)) { 13270 Log.w(TAG, "User is restricted: " + restrictionKey); 13271 return true; 13272 } 13273 return false; 13274 } 13275 13276 @Override 13277 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13278 int userId) { 13279 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13280 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13281 true /* requireFullPermission */, true /* checkShell */, 13282 "setPackagesSuspended for user " + userId); 13283 13284 if (ArrayUtils.isEmpty(packageNames)) { 13285 return packageNames; 13286 } 13287 13288 // List of package names for whom the suspended state has changed. 13289 List<String> changedPackages = new ArrayList<>(packageNames.length); 13290 // List of package names for whom the suspended state is not set as requested in this 13291 // method. 13292 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13293 long callingId = Binder.clearCallingIdentity(); 13294 try { 13295 for (int i = 0; i < packageNames.length; i++) { 13296 String packageName = packageNames[i]; 13297 boolean changed = false; 13298 final int appId; 13299 synchronized (mPackages) { 13300 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13301 if (pkgSetting == null) { 13302 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13303 + "\". Skipping suspending/un-suspending."); 13304 unactionedPackages.add(packageName); 13305 continue; 13306 } 13307 appId = pkgSetting.appId; 13308 if (pkgSetting.getSuspended(userId) != suspended) { 13309 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13310 unactionedPackages.add(packageName); 13311 continue; 13312 } 13313 pkgSetting.setSuspended(suspended, userId); 13314 mSettings.writePackageRestrictionsLPr(userId); 13315 changed = true; 13316 changedPackages.add(packageName); 13317 } 13318 } 13319 13320 if (changed && suspended) { 13321 killApplication(packageName, UserHandle.getUid(userId, appId), 13322 "suspending package"); 13323 } 13324 } 13325 } finally { 13326 Binder.restoreCallingIdentity(callingId); 13327 } 13328 13329 if (!changedPackages.isEmpty()) { 13330 sendPackagesSuspendedForUser(changedPackages.toArray( 13331 new String[changedPackages.size()]), userId, suspended); 13332 } 13333 13334 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13335 } 13336 13337 @Override 13338 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13339 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13340 true /* requireFullPermission */, false /* checkShell */, 13341 "isPackageSuspendedForUser for user " + userId); 13342 synchronized (mPackages) { 13343 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13344 if (pkgSetting == null) { 13345 throw new IllegalArgumentException("Unknown target package: " + packageName); 13346 } 13347 return pkgSetting.getSuspended(userId); 13348 } 13349 } 13350 13351 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13352 if (isPackageDeviceAdmin(packageName, userId)) { 13353 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13354 + "\": has an active device admin"); 13355 return false; 13356 } 13357 13358 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13359 if (packageName.equals(activeLauncherPackageName)) { 13360 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13361 + "\": contains the active launcher"); 13362 return false; 13363 } 13364 13365 if (packageName.equals(mRequiredInstallerPackage)) { 13366 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13367 + "\": required for package installation"); 13368 return false; 13369 } 13370 13371 if (packageName.equals(mRequiredUninstallerPackage)) { 13372 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13373 + "\": required for package uninstallation"); 13374 return false; 13375 } 13376 13377 if (packageName.equals(mRequiredVerifierPackage)) { 13378 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13379 + "\": required for package verification"); 13380 return false; 13381 } 13382 13383 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13384 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13385 + "\": is the default dialer"); 13386 return false; 13387 } 13388 13389 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13390 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13391 + "\": protected package"); 13392 return false; 13393 } 13394 13395 // Cannot suspend static shared libs as they are considered 13396 // a part of the using app (emulating static linking). Also 13397 // static libs are installed always on internal storage. 13398 PackageParser.Package pkg = mPackages.get(packageName); 13399 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13400 Slog.w(TAG, "Cannot suspend package: " + packageName 13401 + " providing static shared library: " 13402 + pkg.staticSharedLibName); 13403 return false; 13404 } 13405 13406 return true; 13407 } 13408 13409 private String getActiveLauncherPackageName(int userId) { 13410 Intent intent = new Intent(Intent.ACTION_MAIN); 13411 intent.addCategory(Intent.CATEGORY_HOME); 13412 ResolveInfo resolveInfo = resolveIntent( 13413 intent, 13414 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13415 PackageManager.MATCH_DEFAULT_ONLY, 13416 userId); 13417 13418 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13419 } 13420 13421 private String getDefaultDialerPackageName(int userId) { 13422 synchronized (mPackages) { 13423 return mSettings.getDefaultDialerPackageNameLPw(userId); 13424 } 13425 } 13426 13427 @Override 13428 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13429 mContext.enforceCallingOrSelfPermission( 13430 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13431 "Only package verification agents can verify applications"); 13432 13433 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13434 final PackageVerificationResponse response = new PackageVerificationResponse( 13435 verificationCode, Binder.getCallingUid()); 13436 msg.arg1 = id; 13437 msg.obj = response; 13438 mHandler.sendMessage(msg); 13439 } 13440 13441 @Override 13442 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13443 long millisecondsToDelay) { 13444 mContext.enforceCallingOrSelfPermission( 13445 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13446 "Only package verification agents can extend verification timeouts"); 13447 13448 final PackageVerificationState state = mPendingVerification.get(id); 13449 final PackageVerificationResponse response = new PackageVerificationResponse( 13450 verificationCodeAtTimeout, Binder.getCallingUid()); 13451 13452 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13453 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13454 } 13455 if (millisecondsToDelay < 0) { 13456 millisecondsToDelay = 0; 13457 } 13458 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13459 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13460 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13461 } 13462 13463 if ((state != null) && !state.timeoutExtended()) { 13464 state.extendTimeout(); 13465 13466 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13467 msg.arg1 = id; 13468 msg.obj = response; 13469 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13470 } 13471 } 13472 13473 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13474 int verificationCode, UserHandle user) { 13475 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13476 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13477 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13478 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13479 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13480 13481 mContext.sendBroadcastAsUser(intent, user, 13482 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13483 } 13484 13485 private ComponentName matchComponentForVerifier(String packageName, 13486 List<ResolveInfo> receivers) { 13487 ActivityInfo targetReceiver = null; 13488 13489 final int NR = receivers.size(); 13490 for (int i = 0; i < NR; i++) { 13491 final ResolveInfo info = receivers.get(i); 13492 if (info.activityInfo == null) { 13493 continue; 13494 } 13495 13496 if (packageName.equals(info.activityInfo.packageName)) { 13497 targetReceiver = info.activityInfo; 13498 break; 13499 } 13500 } 13501 13502 if (targetReceiver == null) { 13503 return null; 13504 } 13505 13506 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13507 } 13508 13509 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13510 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13511 if (pkgInfo.verifiers.length == 0) { 13512 return null; 13513 } 13514 13515 final int N = pkgInfo.verifiers.length; 13516 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13517 for (int i = 0; i < N; i++) { 13518 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13519 13520 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13521 receivers); 13522 if (comp == null) { 13523 continue; 13524 } 13525 13526 final int verifierUid = getUidForVerifier(verifierInfo); 13527 if (verifierUid == -1) { 13528 continue; 13529 } 13530 13531 if (DEBUG_VERIFY) { 13532 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13533 + " with the correct signature"); 13534 } 13535 sufficientVerifiers.add(comp); 13536 verificationState.addSufficientVerifier(verifierUid); 13537 } 13538 13539 return sufficientVerifiers; 13540 } 13541 13542 private int getUidForVerifier(VerifierInfo verifierInfo) { 13543 synchronized (mPackages) { 13544 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13545 if (pkg == null) { 13546 return -1; 13547 } else if (pkg.mSignatures.length != 1) { 13548 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13549 + " has more than one signature; ignoring"); 13550 return -1; 13551 } 13552 13553 /* 13554 * If the public key of the package's signature does not match 13555 * our expected public key, then this is a different package and 13556 * we should skip. 13557 */ 13558 13559 final byte[] expectedPublicKey; 13560 try { 13561 final Signature verifierSig = pkg.mSignatures[0]; 13562 final PublicKey publicKey = verifierSig.getPublicKey(); 13563 expectedPublicKey = publicKey.getEncoded(); 13564 } catch (CertificateException e) { 13565 return -1; 13566 } 13567 13568 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13569 13570 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13571 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13572 + " does not have the expected public key; ignoring"); 13573 return -1; 13574 } 13575 13576 return pkg.applicationInfo.uid; 13577 } 13578 } 13579 13580 @Override 13581 public void finishPackageInstall(int token, boolean didLaunch) { 13582 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13583 13584 if (DEBUG_INSTALL) { 13585 Slog.v(TAG, "BM finishing package install for " + token); 13586 } 13587 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13588 13589 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13590 mHandler.sendMessage(msg); 13591 } 13592 13593 /** 13594 * Get the verification agent timeout. 13595 * 13596 * @return verification timeout in milliseconds 13597 */ 13598 private long getVerificationTimeout() { 13599 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 13600 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 13601 DEFAULT_VERIFICATION_TIMEOUT); 13602 } 13603 13604 /** 13605 * Get the default verification agent response code. 13606 * 13607 * @return default verification response code 13608 */ 13609 private int getDefaultVerificationResponse() { 13610 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13611 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 13612 DEFAULT_VERIFICATION_RESPONSE); 13613 } 13614 13615 /** 13616 * Check whether or not package verification has been enabled. 13617 * 13618 * @return true if verification should be performed 13619 */ 13620 private boolean isVerificationEnabled(int userId, int installFlags) { 13621 if (!DEFAULT_VERIFY_ENABLE) { 13622 return false; 13623 } 13624 // Ephemeral apps don't get the full verification treatment 13625 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 13626 if (DEBUG_EPHEMERAL) { 13627 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 13628 } 13629 return false; 13630 } 13631 13632 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 13633 13634 // Check if installing from ADB 13635 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 13636 // Do not run verification in a test harness environment 13637 if (ActivityManager.isRunningInTestHarness()) { 13638 return false; 13639 } 13640 if (ensureVerifyAppsEnabled) { 13641 return true; 13642 } 13643 // Check if the developer does not want package verification for ADB installs 13644 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13645 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 13646 return false; 13647 } 13648 } 13649 13650 if (ensureVerifyAppsEnabled) { 13651 return true; 13652 } 13653 13654 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13655 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 13656 } 13657 13658 @Override 13659 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 13660 throws RemoteException { 13661 mContext.enforceCallingOrSelfPermission( 13662 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 13663 "Only intentfilter verification agents can verify applications"); 13664 13665 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 13666 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 13667 Binder.getCallingUid(), verificationCode, failedDomains); 13668 msg.arg1 = id; 13669 msg.obj = response; 13670 mHandler.sendMessage(msg); 13671 } 13672 13673 @Override 13674 public int getIntentVerificationStatus(String packageName, int userId) { 13675 synchronized (mPackages) { 13676 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 13677 } 13678 } 13679 13680 @Override 13681 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 13682 mContext.enforceCallingOrSelfPermission( 13683 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13684 13685 boolean result = false; 13686 synchronized (mPackages) { 13687 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 13688 } 13689 if (result) { 13690 scheduleWritePackageRestrictionsLocked(userId); 13691 } 13692 return result; 13693 } 13694 13695 @Override 13696 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 13697 String packageName) { 13698 synchronized (mPackages) { 13699 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 13700 } 13701 } 13702 13703 @Override 13704 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 13705 if (TextUtils.isEmpty(packageName)) { 13706 return ParceledListSlice.emptyList(); 13707 } 13708 synchronized (mPackages) { 13709 PackageParser.Package pkg = mPackages.get(packageName); 13710 if (pkg == null || pkg.activities == null) { 13711 return ParceledListSlice.emptyList(); 13712 } 13713 final int count = pkg.activities.size(); 13714 ArrayList<IntentFilter> result = new ArrayList<>(); 13715 for (int n=0; n<count; n++) { 13716 PackageParser.Activity activity = pkg.activities.get(n); 13717 if (activity.intents != null && activity.intents.size() > 0) { 13718 result.addAll(activity.intents); 13719 } 13720 } 13721 return new ParceledListSlice<>(result); 13722 } 13723 } 13724 13725 @Override 13726 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 13727 mContext.enforceCallingOrSelfPermission( 13728 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13729 13730 synchronized (mPackages) { 13731 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 13732 if (packageName != null) { 13733 result |= updateIntentVerificationStatus(packageName, 13734 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 13735 userId); 13736 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 13737 packageName, userId); 13738 } 13739 return result; 13740 } 13741 } 13742 13743 @Override 13744 public String getDefaultBrowserPackageName(int userId) { 13745 synchronized (mPackages) { 13746 return mSettings.getDefaultBrowserPackageNameLPw(userId); 13747 } 13748 } 13749 13750 /** 13751 * Get the "allow unknown sources" setting. 13752 * 13753 * @return the current "allow unknown sources" setting 13754 */ 13755 private int getUnknownSourcesSettings() { 13756 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 13757 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 13758 -1); 13759 } 13760 13761 @Override 13762 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 13763 final int uid = Binder.getCallingUid(); 13764 // writer 13765 synchronized (mPackages) { 13766 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 13767 if (targetPackageSetting == null) { 13768 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 13769 } 13770 13771 PackageSetting installerPackageSetting; 13772 if (installerPackageName != null) { 13773 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 13774 if (installerPackageSetting == null) { 13775 throw new IllegalArgumentException("Unknown installer package: " 13776 + installerPackageName); 13777 } 13778 } else { 13779 installerPackageSetting = null; 13780 } 13781 13782 Signature[] callerSignature; 13783 Object obj = mSettings.getUserIdLPr(uid); 13784 if (obj != null) { 13785 if (obj instanceof SharedUserSetting) { 13786 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 13787 } else if (obj instanceof PackageSetting) { 13788 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 13789 } else { 13790 throw new SecurityException("Bad object " + obj + " for uid " + uid); 13791 } 13792 } else { 13793 throw new SecurityException("Unknown calling UID: " + uid); 13794 } 13795 13796 // Verify: can't set installerPackageName to a package that is 13797 // not signed with the same cert as the caller. 13798 if (installerPackageSetting != null) { 13799 if (compareSignatures(callerSignature, 13800 installerPackageSetting.signatures.mSignatures) 13801 != PackageManager.SIGNATURE_MATCH) { 13802 throw new SecurityException( 13803 "Caller does not have same cert as new installer package " 13804 + installerPackageName); 13805 } 13806 } 13807 13808 // Verify: if target already has an installer package, it must 13809 // be signed with the same cert as the caller. 13810 if (targetPackageSetting.installerPackageName != null) { 13811 PackageSetting setting = mSettings.mPackages.get( 13812 targetPackageSetting.installerPackageName); 13813 // If the currently set package isn't valid, then it's always 13814 // okay to change it. 13815 if (setting != null) { 13816 if (compareSignatures(callerSignature, 13817 setting.signatures.mSignatures) 13818 != PackageManager.SIGNATURE_MATCH) { 13819 throw new SecurityException( 13820 "Caller does not have same cert as old installer package " 13821 + targetPackageSetting.installerPackageName); 13822 } 13823 } 13824 } 13825 13826 // Okay! 13827 targetPackageSetting.installerPackageName = installerPackageName; 13828 if (installerPackageName != null) { 13829 mSettings.mInstallerPackages.add(installerPackageName); 13830 } 13831 scheduleWriteSettingsLocked(); 13832 } 13833 } 13834 13835 @Override 13836 public void setApplicationCategoryHint(String packageName, int categoryHint, 13837 String callerPackageName) { 13838 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 13839 callerPackageName); 13840 synchronized (mPackages) { 13841 PackageSetting ps = mSettings.mPackages.get(packageName); 13842 if (ps == null) { 13843 throw new IllegalArgumentException("Unknown target package " + packageName); 13844 } 13845 13846 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 13847 throw new IllegalArgumentException("Calling package " + callerPackageName 13848 + " is not installer for " + packageName); 13849 } 13850 13851 if (ps.categoryHint != categoryHint) { 13852 ps.categoryHint = categoryHint; 13853 scheduleWriteSettingsLocked(); 13854 } 13855 } 13856 } 13857 13858 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 13859 // Queue up an async operation since the package installation may take a little while. 13860 mHandler.post(new Runnable() { 13861 public void run() { 13862 mHandler.removeCallbacks(this); 13863 // Result object to be returned 13864 PackageInstalledInfo res = new PackageInstalledInfo(); 13865 res.setReturnCode(currentStatus); 13866 res.uid = -1; 13867 res.pkg = null; 13868 res.removedInfo = null; 13869 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13870 args.doPreInstall(res.returnCode); 13871 synchronized (mInstallLock) { 13872 installPackageTracedLI(args, res); 13873 } 13874 args.doPostInstall(res.returnCode, res.uid); 13875 } 13876 13877 // A restore should be performed at this point if (a) the install 13878 // succeeded, (b) the operation is not an update, and (c) the new 13879 // package has not opted out of backup participation. 13880 final boolean update = res.removedInfo != null 13881 && res.removedInfo.removedPackage != null; 13882 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 13883 boolean doRestore = !update 13884 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 13885 13886 // Set up the post-install work request bookkeeping. This will be used 13887 // and cleaned up by the post-install event handling regardless of whether 13888 // there's a restore pass performed. Token values are >= 1. 13889 int token; 13890 if (mNextInstallToken < 0) mNextInstallToken = 1; 13891 token = mNextInstallToken++; 13892 13893 PostInstallData data = new PostInstallData(args, res); 13894 mRunningInstalls.put(token, data); 13895 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 13896 13897 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 13898 // Pass responsibility to the Backup Manager. It will perform a 13899 // restore if appropriate, then pass responsibility back to the 13900 // Package Manager to run the post-install observer callbacks 13901 // and broadcasts. 13902 IBackupManager bm = IBackupManager.Stub.asInterface( 13903 ServiceManager.getService(Context.BACKUP_SERVICE)); 13904 if (bm != null) { 13905 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 13906 + " to BM for possible restore"); 13907 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13908 try { 13909 // TODO: http://b/22388012 13910 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 13911 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 13912 } else { 13913 doRestore = false; 13914 } 13915 } catch (RemoteException e) { 13916 // can't happen; the backup manager is local 13917 } catch (Exception e) { 13918 Slog.e(TAG, "Exception trying to enqueue restore", e); 13919 doRestore = false; 13920 } 13921 } else { 13922 Slog.e(TAG, "Backup Manager not found!"); 13923 doRestore = false; 13924 } 13925 } 13926 13927 if (!doRestore) { 13928 // No restore possible, or the Backup Manager was mysteriously not 13929 // available -- just fire the post-install work request directly. 13930 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 13931 13932 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 13933 13934 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 13935 mHandler.sendMessage(msg); 13936 } 13937 } 13938 }); 13939 } 13940 13941 /** 13942 * Callback from PackageSettings whenever an app is first transitioned out of the 13943 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 13944 * the app was "launched" for a restoreAtInstall operation. Therefore we check 13945 * here whether the app is the target of an ongoing install, and only send the 13946 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 13947 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 13948 * handling. 13949 */ 13950 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 13951 // Serialize this with the rest of the install-process message chain. In the 13952 // restore-at-install case, this Runnable will necessarily run before the 13953 // POST_INSTALL message is processed, so the contents of mRunningInstalls 13954 // are coherent. In the non-restore case, the app has already completed install 13955 // and been launched through some other means, so it is not in a problematic 13956 // state for observers to see the FIRST_LAUNCH signal. 13957 mHandler.post(new Runnable() { 13958 @Override 13959 public void run() { 13960 for (int i = 0; i < mRunningInstalls.size(); i++) { 13961 final PostInstallData data = mRunningInstalls.valueAt(i); 13962 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13963 continue; 13964 } 13965 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 13966 // right package; but is it for the right user? 13967 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 13968 if (userId == data.res.newUsers[uIndex]) { 13969 if (DEBUG_BACKUP) { 13970 Slog.i(TAG, "Package " + pkgName 13971 + " being restored so deferring FIRST_LAUNCH"); 13972 } 13973 return; 13974 } 13975 } 13976 } 13977 } 13978 // didn't find it, so not being restored 13979 if (DEBUG_BACKUP) { 13980 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 13981 } 13982 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 13983 } 13984 }); 13985 } 13986 13987 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 13988 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 13989 installerPkg, null, userIds); 13990 } 13991 13992 private abstract class HandlerParams { 13993 private static final int MAX_RETRIES = 4; 13994 13995 /** 13996 * Number of times startCopy() has been attempted and had a non-fatal 13997 * error. 13998 */ 13999 private int mRetries = 0; 14000 14001 /** User handle for the user requesting the information or installation. */ 14002 private final UserHandle mUser; 14003 String traceMethod; 14004 int traceCookie; 14005 14006 HandlerParams(UserHandle user) { 14007 mUser = user; 14008 } 14009 14010 UserHandle getUser() { 14011 return mUser; 14012 } 14013 14014 HandlerParams setTraceMethod(String traceMethod) { 14015 this.traceMethod = traceMethod; 14016 return this; 14017 } 14018 14019 HandlerParams setTraceCookie(int traceCookie) { 14020 this.traceCookie = traceCookie; 14021 return this; 14022 } 14023 14024 final boolean startCopy() { 14025 boolean res; 14026 try { 14027 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14028 14029 if (++mRetries > MAX_RETRIES) { 14030 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14031 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14032 handleServiceError(); 14033 return false; 14034 } else { 14035 handleStartCopy(); 14036 res = true; 14037 } 14038 } catch (RemoteException e) { 14039 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14040 mHandler.sendEmptyMessage(MCS_RECONNECT); 14041 res = false; 14042 } 14043 handleReturnCode(); 14044 return res; 14045 } 14046 14047 final void serviceError() { 14048 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14049 handleServiceError(); 14050 handleReturnCode(); 14051 } 14052 14053 abstract void handleStartCopy() throws RemoteException; 14054 abstract void handleServiceError(); 14055 abstract void handleReturnCode(); 14056 } 14057 14058 class MeasureParams extends HandlerParams { 14059 private final PackageStats mStats; 14060 private boolean mSuccess; 14061 14062 private final IPackageStatsObserver mObserver; 14063 14064 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 14065 super(new UserHandle(stats.userHandle)); 14066 mObserver = observer; 14067 mStats = stats; 14068 } 14069 14070 @Override 14071 public String toString() { 14072 return "MeasureParams{" 14073 + Integer.toHexString(System.identityHashCode(this)) 14074 + " " + mStats.packageName + "}"; 14075 } 14076 14077 @Override 14078 void handleStartCopy() throws RemoteException { 14079 synchronized (mInstallLock) { 14080 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 14081 } 14082 14083 if (mSuccess) { 14084 boolean mounted = false; 14085 try { 14086 final String status = Environment.getExternalStorageState(); 14087 mounted = (Environment.MEDIA_MOUNTED.equals(status) 14088 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 14089 } catch (Exception e) { 14090 } 14091 14092 if (mounted) { 14093 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 14094 14095 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 14096 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 14097 14098 mStats.externalDataSize = calculateDirectorySize(mContainerService, 14099 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 14100 14101 // Always subtract cache size, since it's a subdirectory 14102 mStats.externalDataSize -= mStats.externalCacheSize; 14103 14104 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 14105 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 14106 14107 mStats.externalObbSize = calculateDirectorySize(mContainerService, 14108 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 14109 } 14110 } 14111 } 14112 14113 @Override 14114 void handleReturnCode() { 14115 if (mObserver != null) { 14116 try { 14117 mObserver.onGetStatsCompleted(mStats, mSuccess); 14118 } catch (RemoteException e) { 14119 Slog.i(TAG, "Observer no longer exists."); 14120 } 14121 } 14122 } 14123 14124 @Override 14125 void handleServiceError() { 14126 Slog.e(TAG, "Could not measure application " + mStats.packageName 14127 + " external storage"); 14128 } 14129 } 14130 14131 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 14132 throws RemoteException { 14133 long result = 0; 14134 for (File path : paths) { 14135 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 14136 } 14137 return result; 14138 } 14139 14140 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14141 for (File path : paths) { 14142 try { 14143 mcs.clearDirectory(path.getAbsolutePath()); 14144 } catch (RemoteException e) { 14145 } 14146 } 14147 } 14148 14149 static class OriginInfo { 14150 /** 14151 * Location where install is coming from, before it has been 14152 * copied/renamed into place. This could be a single monolithic APK 14153 * file, or a cluster directory. This location may be untrusted. 14154 */ 14155 final File file; 14156 final String cid; 14157 14158 /** 14159 * Flag indicating that {@link #file} or {@link #cid} has already been 14160 * staged, meaning downstream users don't need to defensively copy the 14161 * contents. 14162 */ 14163 final boolean staged; 14164 14165 /** 14166 * Flag indicating that {@link #file} or {@link #cid} is an already 14167 * installed app that is being moved. 14168 */ 14169 final boolean existing; 14170 14171 final String resolvedPath; 14172 final File resolvedFile; 14173 14174 static OriginInfo fromNothing() { 14175 return new OriginInfo(null, null, false, false); 14176 } 14177 14178 static OriginInfo fromUntrustedFile(File file) { 14179 return new OriginInfo(file, null, false, false); 14180 } 14181 14182 static OriginInfo fromExistingFile(File file) { 14183 return new OriginInfo(file, null, false, true); 14184 } 14185 14186 static OriginInfo fromStagedFile(File file) { 14187 return new OriginInfo(file, null, true, false); 14188 } 14189 14190 static OriginInfo fromStagedContainer(String cid) { 14191 return new OriginInfo(null, cid, true, false); 14192 } 14193 14194 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 14195 this.file = file; 14196 this.cid = cid; 14197 this.staged = staged; 14198 this.existing = existing; 14199 14200 if (cid != null) { 14201 resolvedPath = PackageHelper.getSdDir(cid); 14202 resolvedFile = new File(resolvedPath); 14203 } else if (file != null) { 14204 resolvedPath = file.getAbsolutePath(); 14205 resolvedFile = file; 14206 } else { 14207 resolvedPath = null; 14208 resolvedFile = null; 14209 } 14210 } 14211 } 14212 14213 static class MoveInfo { 14214 final int moveId; 14215 final String fromUuid; 14216 final String toUuid; 14217 final String packageName; 14218 final String dataAppName; 14219 final int appId; 14220 final String seinfo; 14221 final int targetSdkVersion; 14222 14223 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14224 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14225 this.moveId = moveId; 14226 this.fromUuid = fromUuid; 14227 this.toUuid = toUuid; 14228 this.packageName = packageName; 14229 this.dataAppName = dataAppName; 14230 this.appId = appId; 14231 this.seinfo = seinfo; 14232 this.targetSdkVersion = targetSdkVersion; 14233 } 14234 } 14235 14236 static class VerificationInfo { 14237 /** A constant used to indicate that a uid value is not present. */ 14238 public static final int NO_UID = -1; 14239 14240 /** URI referencing where the package was downloaded from. */ 14241 final Uri originatingUri; 14242 14243 /** HTTP referrer URI associated with the originatingURI. */ 14244 final Uri referrer; 14245 14246 /** UID of the application that the install request originated from. */ 14247 final int originatingUid; 14248 14249 /** UID of application requesting the install */ 14250 final int installerUid; 14251 14252 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14253 this.originatingUri = originatingUri; 14254 this.referrer = referrer; 14255 this.originatingUid = originatingUid; 14256 this.installerUid = installerUid; 14257 } 14258 } 14259 14260 class InstallParams extends HandlerParams { 14261 final OriginInfo origin; 14262 final MoveInfo move; 14263 final IPackageInstallObserver2 observer; 14264 int installFlags; 14265 final String installerPackageName; 14266 final String volumeUuid; 14267 private InstallArgs mArgs; 14268 private int mRet; 14269 final String packageAbiOverride; 14270 final String[] grantedRuntimePermissions; 14271 final VerificationInfo verificationInfo; 14272 final Certificate[][] certificates; 14273 final int installReason; 14274 14275 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14276 int installFlags, String installerPackageName, String volumeUuid, 14277 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14278 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 14279 super(user); 14280 this.origin = origin; 14281 this.move = move; 14282 this.observer = observer; 14283 this.installFlags = installFlags; 14284 this.installerPackageName = installerPackageName; 14285 this.volumeUuid = volumeUuid; 14286 this.verificationInfo = verificationInfo; 14287 this.packageAbiOverride = packageAbiOverride; 14288 this.grantedRuntimePermissions = grantedPermissions; 14289 this.certificates = certificates; 14290 this.installReason = installReason; 14291 } 14292 14293 @Override 14294 public String toString() { 14295 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14296 + " file=" + origin.file + " cid=" + origin.cid + "}"; 14297 } 14298 14299 private int installLocationPolicy(PackageInfoLite pkgLite) { 14300 String packageName = pkgLite.packageName; 14301 int installLocation = pkgLite.installLocation; 14302 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14303 // reader 14304 synchronized (mPackages) { 14305 // Currently installed package which the new package is attempting to replace or 14306 // null if no such package is installed. 14307 PackageParser.Package installedPkg = mPackages.get(packageName); 14308 // Package which currently owns the data which the new package will own if installed. 14309 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14310 // will be null whereas dataOwnerPkg will contain information about the package 14311 // which was uninstalled while keeping its data. 14312 PackageParser.Package dataOwnerPkg = installedPkg; 14313 if (dataOwnerPkg == null) { 14314 PackageSetting ps = mSettings.mPackages.get(packageName); 14315 if (ps != null) { 14316 dataOwnerPkg = ps.pkg; 14317 } 14318 } 14319 14320 if (dataOwnerPkg != null) { 14321 // If installed, the package will get access to data left on the device by its 14322 // predecessor. As a security measure, this is permited only if this is not a 14323 // version downgrade or if the predecessor package is marked as debuggable and 14324 // a downgrade is explicitly requested. 14325 // 14326 // On debuggable platform builds, downgrades are permitted even for 14327 // non-debuggable packages to make testing easier. Debuggable platform builds do 14328 // not offer security guarantees and thus it's OK to disable some security 14329 // mechanisms to make debugging/testing easier on those builds. However, even on 14330 // debuggable builds downgrades of packages are permitted only if requested via 14331 // installFlags. This is because we aim to keep the behavior of debuggable 14332 // platform builds as close as possible to the behavior of non-debuggable 14333 // platform builds. 14334 final boolean downgradeRequested = 14335 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14336 final boolean packageDebuggable = 14337 (dataOwnerPkg.applicationInfo.flags 14338 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14339 final boolean downgradePermitted = 14340 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14341 if (!downgradePermitted) { 14342 try { 14343 checkDowngrade(dataOwnerPkg, pkgLite); 14344 } catch (PackageManagerException e) { 14345 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14346 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14347 } 14348 } 14349 } 14350 14351 if (installedPkg != null) { 14352 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14353 // Check for updated system application. 14354 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14355 if (onSd) { 14356 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14357 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14358 } 14359 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14360 } else { 14361 if (onSd) { 14362 // Install flag overrides everything. 14363 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14364 } 14365 // If current upgrade specifies particular preference 14366 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14367 // Application explicitly specified internal. 14368 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14369 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14370 // App explictly prefers external. Let policy decide 14371 } else { 14372 // Prefer previous location 14373 if (isExternal(installedPkg)) { 14374 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14375 } 14376 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14377 } 14378 } 14379 } else { 14380 // Invalid install. Return error code 14381 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14382 } 14383 } 14384 } 14385 // All the special cases have been taken care of. 14386 // Return result based on recommended install location. 14387 if (onSd) { 14388 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14389 } 14390 return pkgLite.recommendedInstallLocation; 14391 } 14392 14393 /* 14394 * Invoke remote method to get package information and install 14395 * location values. Override install location based on default 14396 * policy if needed and then create install arguments based 14397 * on the install location. 14398 */ 14399 public void handleStartCopy() throws RemoteException { 14400 int ret = PackageManager.INSTALL_SUCCEEDED; 14401 14402 // If we're already staged, we've firmly committed to an install location 14403 if (origin.staged) { 14404 if (origin.file != null) { 14405 installFlags |= PackageManager.INSTALL_INTERNAL; 14406 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14407 } else if (origin.cid != null) { 14408 installFlags |= PackageManager.INSTALL_EXTERNAL; 14409 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14410 } else { 14411 throw new IllegalStateException("Invalid stage location"); 14412 } 14413 } 14414 14415 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14416 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14417 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 14418 PackageInfoLite pkgLite = null; 14419 14420 if (onInt && onSd) { 14421 // Check if both bits are set. 14422 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14423 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14424 } else if (onSd && ephemeral) { 14425 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14426 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14427 } else { 14428 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14429 packageAbiOverride); 14430 14431 if (DEBUG_EPHEMERAL && ephemeral) { 14432 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14433 } 14434 14435 /* 14436 * If we have too little free space, try to free cache 14437 * before giving up. 14438 */ 14439 if (!origin.staged && pkgLite.recommendedInstallLocation 14440 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14441 // TODO: focus freeing disk space on the target device 14442 final StorageManager storage = StorageManager.from(mContext); 14443 final long lowThreshold = storage.getStorageLowBytes( 14444 Environment.getDataDirectory()); 14445 14446 final long sizeBytes = mContainerService.calculateInstalledSize( 14447 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 14448 14449 try { 14450 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0); 14451 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14452 installFlags, packageAbiOverride); 14453 } catch (InstallerException e) { 14454 Slog.w(TAG, "Failed to free cache", e); 14455 } 14456 14457 /* 14458 * The cache free must have deleted the file we 14459 * downloaded to install. 14460 * 14461 * TODO: fix the "freeCache" call to not delete 14462 * the file we care about. 14463 */ 14464 if (pkgLite.recommendedInstallLocation 14465 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14466 pkgLite.recommendedInstallLocation 14467 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14468 } 14469 } 14470 } 14471 14472 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14473 int loc = pkgLite.recommendedInstallLocation; 14474 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14475 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14476 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14477 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14478 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14479 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14480 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14481 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14482 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14483 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14484 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14485 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14486 } else { 14487 // Override with defaults if needed. 14488 loc = installLocationPolicy(pkgLite); 14489 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14490 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14491 } else if (!onSd && !onInt) { 14492 // Override install location with flags 14493 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14494 // Set the flag to install on external media. 14495 installFlags |= PackageManager.INSTALL_EXTERNAL; 14496 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14497 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14498 if (DEBUG_EPHEMERAL) { 14499 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14500 } 14501 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14502 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14503 |PackageManager.INSTALL_INTERNAL); 14504 } else { 14505 // Make sure the flag for installing on external 14506 // media is unset 14507 installFlags |= PackageManager.INSTALL_INTERNAL; 14508 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14509 } 14510 } 14511 } 14512 } 14513 14514 final InstallArgs args = createInstallArgs(this); 14515 mArgs = args; 14516 14517 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14518 // TODO: http://b/22976637 14519 // Apps installed for "all" users use the device owner to verify the app 14520 UserHandle verifierUser = getUser(); 14521 if (verifierUser == UserHandle.ALL) { 14522 verifierUser = UserHandle.SYSTEM; 14523 } 14524 14525 /* 14526 * Determine if we have any installed package verifiers. If we 14527 * do, then we'll defer to them to verify the packages. 14528 */ 14529 final int requiredUid = mRequiredVerifierPackage == null ? -1 14530 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14531 verifierUser.getIdentifier()); 14532 if (!origin.existing && requiredUid != -1 14533 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 14534 final Intent verification = new Intent( 14535 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14536 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14537 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14538 PACKAGE_MIME_TYPE); 14539 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14540 14541 // Query all live verifiers based on current user state 14542 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14543 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 14544 14545 if (DEBUG_VERIFY) { 14546 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14547 + verification.toString() + " with " + pkgLite.verifiers.length 14548 + " optional verifiers"); 14549 } 14550 14551 final int verificationId = mPendingVerificationToken++; 14552 14553 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14554 14555 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14556 installerPackageName); 14557 14558 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14559 installFlags); 14560 14561 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14562 pkgLite.packageName); 14563 14564 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14565 pkgLite.versionCode); 14566 14567 if (verificationInfo != null) { 14568 if (verificationInfo.originatingUri != null) { 14569 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14570 verificationInfo.originatingUri); 14571 } 14572 if (verificationInfo.referrer != null) { 14573 verification.putExtra(Intent.EXTRA_REFERRER, 14574 verificationInfo.referrer); 14575 } 14576 if (verificationInfo.originatingUid >= 0) { 14577 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14578 verificationInfo.originatingUid); 14579 } 14580 if (verificationInfo.installerUid >= 0) { 14581 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14582 verificationInfo.installerUid); 14583 } 14584 } 14585 14586 final PackageVerificationState verificationState = new PackageVerificationState( 14587 requiredUid, args); 14588 14589 mPendingVerification.append(verificationId, verificationState); 14590 14591 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14592 receivers, verificationState); 14593 14594 /* 14595 * If any sufficient verifiers were listed in the package 14596 * manifest, attempt to ask them. 14597 */ 14598 if (sufficientVerifiers != null) { 14599 final int N = sufficientVerifiers.size(); 14600 if (N == 0) { 14601 Slog.i(TAG, "Additional verifiers required, but none installed."); 14602 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14603 } else { 14604 for (int i = 0; i < N; i++) { 14605 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14606 14607 final Intent sufficientIntent = new Intent(verification); 14608 sufficientIntent.setComponent(verifierComponent); 14609 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 14610 } 14611 } 14612 } 14613 14614 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 14615 mRequiredVerifierPackage, receivers); 14616 if (ret == PackageManager.INSTALL_SUCCEEDED 14617 && mRequiredVerifierPackage != null) { 14618 Trace.asyncTraceBegin( 14619 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 14620 /* 14621 * Send the intent to the required verification agent, 14622 * but only start the verification timeout after the 14623 * target BroadcastReceivers have run. 14624 */ 14625 verification.setComponent(requiredVerifierComponent); 14626 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 14627 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14628 new BroadcastReceiver() { 14629 @Override 14630 public void onReceive(Context context, Intent intent) { 14631 final Message msg = mHandler 14632 .obtainMessage(CHECK_PENDING_VERIFICATION); 14633 msg.arg1 = verificationId; 14634 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 14635 } 14636 }, null, 0, null, null); 14637 14638 /* 14639 * We don't want the copy to proceed until verification 14640 * succeeds, so null out this field. 14641 */ 14642 mArgs = null; 14643 } 14644 } else { 14645 /* 14646 * No package verification is enabled, so immediately start 14647 * the remote call to initiate copy using temporary file. 14648 */ 14649 ret = args.copyApk(mContainerService, true); 14650 } 14651 } 14652 14653 mRet = ret; 14654 } 14655 14656 @Override 14657 void handleReturnCode() { 14658 // If mArgs is null, then MCS couldn't be reached. When it 14659 // reconnects, it will try again to install. At that point, this 14660 // will succeed. 14661 if (mArgs != null) { 14662 processPendingInstall(mArgs, mRet); 14663 } 14664 } 14665 14666 @Override 14667 void handleServiceError() { 14668 mArgs = createInstallArgs(this); 14669 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14670 } 14671 14672 public boolean isForwardLocked() { 14673 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14674 } 14675 } 14676 14677 /** 14678 * Used during creation of InstallArgs 14679 * 14680 * @param installFlags package installation flags 14681 * @return true if should be installed on external storage 14682 */ 14683 private static boolean installOnExternalAsec(int installFlags) { 14684 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 14685 return false; 14686 } 14687 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 14688 return true; 14689 } 14690 return false; 14691 } 14692 14693 /** 14694 * Used during creation of InstallArgs 14695 * 14696 * @param installFlags package installation flags 14697 * @return true if should be installed as forward locked 14698 */ 14699 private static boolean installForwardLocked(int installFlags) { 14700 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14701 } 14702 14703 private InstallArgs createInstallArgs(InstallParams params) { 14704 if (params.move != null) { 14705 return new MoveInstallArgs(params); 14706 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 14707 return new AsecInstallArgs(params); 14708 } else { 14709 return new FileInstallArgs(params); 14710 } 14711 } 14712 14713 /** 14714 * Create args that describe an existing installed package. Typically used 14715 * when cleaning up old installs, or used as a move source. 14716 */ 14717 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 14718 String resourcePath, String[] instructionSets) { 14719 final boolean isInAsec; 14720 if (installOnExternalAsec(installFlags)) { 14721 /* Apps on SD card are always in ASEC containers. */ 14722 isInAsec = true; 14723 } else if (installForwardLocked(installFlags) 14724 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 14725 /* 14726 * Forward-locked apps are only in ASEC containers if they're the 14727 * new style 14728 */ 14729 isInAsec = true; 14730 } else { 14731 isInAsec = false; 14732 } 14733 14734 if (isInAsec) { 14735 return new AsecInstallArgs(codePath, instructionSets, 14736 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 14737 } else { 14738 return new FileInstallArgs(codePath, resourcePath, instructionSets); 14739 } 14740 } 14741 14742 static abstract class InstallArgs { 14743 /** @see InstallParams#origin */ 14744 final OriginInfo origin; 14745 /** @see InstallParams#move */ 14746 final MoveInfo move; 14747 14748 final IPackageInstallObserver2 observer; 14749 // Always refers to PackageManager flags only 14750 final int installFlags; 14751 final String installerPackageName; 14752 final String volumeUuid; 14753 final UserHandle user; 14754 final String abiOverride; 14755 final String[] installGrantPermissions; 14756 /** If non-null, drop an async trace when the install completes */ 14757 final String traceMethod; 14758 final int traceCookie; 14759 final Certificate[][] certificates; 14760 final int installReason; 14761 14762 // The list of instruction sets supported by this app. This is currently 14763 // only used during the rmdex() phase to clean up resources. We can get rid of this 14764 // if we move dex files under the common app path. 14765 /* nullable */ String[] instructionSets; 14766 14767 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14768 int installFlags, String installerPackageName, String volumeUuid, 14769 UserHandle user, String[] instructionSets, 14770 String abiOverride, String[] installGrantPermissions, 14771 String traceMethod, int traceCookie, Certificate[][] certificates, 14772 int installReason) { 14773 this.origin = origin; 14774 this.move = move; 14775 this.installFlags = installFlags; 14776 this.observer = observer; 14777 this.installerPackageName = installerPackageName; 14778 this.volumeUuid = volumeUuid; 14779 this.user = user; 14780 this.instructionSets = instructionSets; 14781 this.abiOverride = abiOverride; 14782 this.installGrantPermissions = installGrantPermissions; 14783 this.traceMethod = traceMethod; 14784 this.traceCookie = traceCookie; 14785 this.certificates = certificates; 14786 this.installReason = installReason; 14787 } 14788 14789 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 14790 abstract int doPreInstall(int status); 14791 14792 /** 14793 * Rename package into final resting place. All paths on the given 14794 * scanned package should be updated to reflect the rename. 14795 */ 14796 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 14797 abstract int doPostInstall(int status, int uid); 14798 14799 /** @see PackageSettingBase#codePathString */ 14800 abstract String getCodePath(); 14801 /** @see PackageSettingBase#resourcePathString */ 14802 abstract String getResourcePath(); 14803 14804 // Need installer lock especially for dex file removal. 14805 abstract void cleanUpResourcesLI(); 14806 abstract boolean doPostDeleteLI(boolean delete); 14807 14808 /** 14809 * Called before the source arguments are copied. This is used mostly 14810 * for MoveParams when it needs to read the source file to put it in the 14811 * destination. 14812 */ 14813 int doPreCopy() { 14814 return PackageManager.INSTALL_SUCCEEDED; 14815 } 14816 14817 /** 14818 * Called after the source arguments are copied. This is used mostly for 14819 * MoveParams when it needs to read the source file to put it in the 14820 * destination. 14821 */ 14822 int doPostCopy(int uid) { 14823 return PackageManager.INSTALL_SUCCEEDED; 14824 } 14825 14826 protected boolean isFwdLocked() { 14827 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14828 } 14829 14830 protected boolean isExternalAsec() { 14831 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14832 } 14833 14834 protected boolean isEphemeral() { 14835 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 14836 } 14837 14838 UserHandle getUser() { 14839 return user; 14840 } 14841 } 14842 14843 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14844 if (!allCodePaths.isEmpty()) { 14845 if (instructionSets == null) { 14846 throw new IllegalStateException("instructionSet == null"); 14847 } 14848 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14849 for (String codePath : allCodePaths) { 14850 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14851 try { 14852 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14853 } catch (InstallerException ignored) { 14854 } 14855 } 14856 } 14857 } 14858 } 14859 14860 /** 14861 * Logic to handle installation of non-ASEC applications, including copying 14862 * and renaming logic. 14863 */ 14864 class FileInstallArgs extends InstallArgs { 14865 private File codeFile; 14866 private File resourceFile; 14867 14868 // Example topology: 14869 // /data/app/com.example/base.apk 14870 // /data/app/com.example/split_foo.apk 14871 // /data/app/com.example/lib/arm/libfoo.so 14872 // /data/app/com.example/lib/arm64/libfoo.so 14873 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 14874 14875 /** New install */ 14876 FileInstallArgs(InstallParams params) { 14877 super(params.origin, params.move, params.observer, params.installFlags, 14878 params.installerPackageName, params.volumeUuid, 14879 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 14880 params.grantedRuntimePermissions, 14881 params.traceMethod, params.traceCookie, params.certificates, 14882 params.installReason); 14883 if (isFwdLocked()) { 14884 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 14885 } 14886 } 14887 14888 /** Existing install */ 14889 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 14890 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 14891 null, null, null, 0, null /*certificates*/, 14892 PackageManager.INSTALL_REASON_UNKNOWN); 14893 this.codeFile = (codePath != null) ? new File(codePath) : null; 14894 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 14895 } 14896 14897 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14898 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 14899 try { 14900 return doCopyApk(imcs, temp); 14901 } finally { 14902 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14903 } 14904 } 14905 14906 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14907 if (origin.staged) { 14908 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 14909 codeFile = origin.file; 14910 resourceFile = origin.file; 14911 return PackageManager.INSTALL_SUCCEEDED; 14912 } 14913 14914 try { 14915 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 14916 final File tempDir = 14917 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 14918 codeFile = tempDir; 14919 resourceFile = tempDir; 14920 } catch (IOException e) { 14921 Slog.w(TAG, "Failed to create copy file: " + e); 14922 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14923 } 14924 14925 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 14926 @Override 14927 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 14928 if (!FileUtils.isValidExtFilename(name)) { 14929 throw new IllegalArgumentException("Invalid filename: " + name); 14930 } 14931 try { 14932 final File file = new File(codeFile, name); 14933 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 14934 O_RDWR | O_CREAT, 0644); 14935 Os.chmod(file.getAbsolutePath(), 0644); 14936 return new ParcelFileDescriptor(fd); 14937 } catch (ErrnoException e) { 14938 throw new RemoteException("Failed to open: " + e.getMessage()); 14939 } 14940 } 14941 }; 14942 14943 int ret = PackageManager.INSTALL_SUCCEEDED; 14944 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 14945 if (ret != PackageManager.INSTALL_SUCCEEDED) { 14946 Slog.e(TAG, "Failed to copy package"); 14947 return ret; 14948 } 14949 14950 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 14951 NativeLibraryHelper.Handle handle = null; 14952 try { 14953 handle = NativeLibraryHelper.Handle.create(codeFile); 14954 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 14955 abiOverride); 14956 } catch (IOException e) { 14957 Slog.e(TAG, "Copying native libraries failed", e); 14958 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14959 } finally { 14960 IoUtils.closeQuietly(handle); 14961 } 14962 14963 return ret; 14964 } 14965 14966 int doPreInstall(int status) { 14967 if (status != PackageManager.INSTALL_SUCCEEDED) { 14968 cleanUp(); 14969 } 14970 return status; 14971 } 14972 14973 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14974 if (status != PackageManager.INSTALL_SUCCEEDED) { 14975 cleanUp(); 14976 return false; 14977 } 14978 14979 final File targetDir = codeFile.getParentFile(); 14980 final File beforeCodeFile = codeFile; 14981 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 14982 14983 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 14984 try { 14985 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 14986 } catch (ErrnoException e) { 14987 Slog.w(TAG, "Failed to rename", e); 14988 return false; 14989 } 14990 14991 if (!SELinux.restoreconRecursive(afterCodeFile)) { 14992 Slog.w(TAG, "Failed to restorecon"); 14993 return false; 14994 } 14995 14996 // Reflect the rename internally 14997 codeFile = afterCodeFile; 14998 resourceFile = afterCodeFile; 14999 15000 // Reflect the rename in scanned details 15001 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15002 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15003 afterCodeFile, pkg.baseCodePath)); 15004 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15005 afterCodeFile, pkg.splitCodePaths)); 15006 15007 // Reflect the rename in app info 15008 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15009 pkg.setApplicationInfoCodePath(pkg.codePath); 15010 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15011 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15012 pkg.setApplicationInfoResourcePath(pkg.codePath); 15013 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15014 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15015 15016 return true; 15017 } 15018 15019 int doPostInstall(int status, int uid) { 15020 if (status != PackageManager.INSTALL_SUCCEEDED) { 15021 cleanUp(); 15022 } 15023 return status; 15024 } 15025 15026 @Override 15027 String getCodePath() { 15028 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15029 } 15030 15031 @Override 15032 String getResourcePath() { 15033 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15034 } 15035 15036 private boolean cleanUp() { 15037 if (codeFile == null || !codeFile.exists()) { 15038 return false; 15039 } 15040 15041 removeCodePathLI(codeFile); 15042 15043 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15044 resourceFile.delete(); 15045 } 15046 15047 return true; 15048 } 15049 15050 void cleanUpResourcesLI() { 15051 // Try enumerating all code paths before deleting 15052 List<String> allCodePaths = Collections.EMPTY_LIST; 15053 if (codeFile != null && codeFile.exists()) { 15054 try { 15055 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15056 allCodePaths = pkg.getAllCodePaths(); 15057 } catch (PackageParserException e) { 15058 // Ignored; we tried our best 15059 } 15060 } 15061 15062 cleanUp(); 15063 removeDexFiles(allCodePaths, instructionSets); 15064 } 15065 15066 boolean doPostDeleteLI(boolean delete) { 15067 // XXX err, shouldn't we respect the delete flag? 15068 cleanUpResourcesLI(); 15069 return true; 15070 } 15071 } 15072 15073 private boolean isAsecExternal(String cid) { 15074 final String asecPath = PackageHelper.getSdFilesystem(cid); 15075 return !asecPath.startsWith(mAsecInternalPath); 15076 } 15077 15078 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15079 PackageManagerException { 15080 if (copyRet < 0) { 15081 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15082 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15083 throw new PackageManagerException(copyRet, message); 15084 } 15085 } 15086 } 15087 15088 /** 15089 * Extract the StorageManagerService "container ID" from the full code path of an 15090 * .apk. 15091 */ 15092 static String cidFromCodePath(String fullCodePath) { 15093 int eidx = fullCodePath.lastIndexOf("/"); 15094 String subStr1 = fullCodePath.substring(0, eidx); 15095 int sidx = subStr1.lastIndexOf("/"); 15096 return subStr1.substring(sidx+1, eidx); 15097 } 15098 15099 /** 15100 * Logic to handle installation of ASEC applications, including copying and 15101 * renaming logic. 15102 */ 15103 class AsecInstallArgs extends InstallArgs { 15104 static final String RES_FILE_NAME = "pkg.apk"; 15105 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 15106 15107 String cid; 15108 String packagePath; 15109 String resourcePath; 15110 15111 /** New install */ 15112 AsecInstallArgs(InstallParams params) { 15113 super(params.origin, params.move, params.observer, params.installFlags, 15114 params.installerPackageName, params.volumeUuid, 15115 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15116 params.grantedRuntimePermissions, 15117 params.traceMethod, params.traceCookie, params.certificates, 15118 params.installReason); 15119 } 15120 15121 /** Existing install */ 15122 AsecInstallArgs(String fullCodePath, String[] instructionSets, 15123 boolean isExternal, boolean isForwardLocked) { 15124 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 15125 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15126 instructionSets, null, null, null, 0, null /*certificates*/, 15127 PackageManager.INSTALL_REASON_UNKNOWN); 15128 // Hackily pretend we're still looking at a full code path 15129 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 15130 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 15131 } 15132 15133 // Extract cid from fullCodePath 15134 int eidx = fullCodePath.lastIndexOf("/"); 15135 String subStr1 = fullCodePath.substring(0, eidx); 15136 int sidx = subStr1.lastIndexOf("/"); 15137 cid = subStr1.substring(sidx+1, eidx); 15138 setMountPath(subStr1); 15139 } 15140 15141 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 15142 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 15143 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15144 instructionSets, null, null, null, 0, null /*certificates*/, 15145 PackageManager.INSTALL_REASON_UNKNOWN); 15146 this.cid = cid; 15147 setMountPath(PackageHelper.getSdDir(cid)); 15148 } 15149 15150 void createCopyFile() { 15151 cid = mInstallerService.allocateExternalStageCidLegacy(); 15152 } 15153 15154 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15155 if (origin.staged && origin.cid != null) { 15156 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 15157 cid = origin.cid; 15158 setMountPath(PackageHelper.getSdDir(cid)); 15159 return PackageManager.INSTALL_SUCCEEDED; 15160 } 15161 15162 if (temp) { 15163 createCopyFile(); 15164 } else { 15165 /* 15166 * Pre-emptively destroy the container since it's destroyed if 15167 * copying fails due to it existing anyway. 15168 */ 15169 PackageHelper.destroySdDir(cid); 15170 } 15171 15172 final String newMountPath = imcs.copyPackageToContainer( 15173 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 15174 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 15175 15176 if (newMountPath != null) { 15177 setMountPath(newMountPath); 15178 return PackageManager.INSTALL_SUCCEEDED; 15179 } else { 15180 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15181 } 15182 } 15183 15184 @Override 15185 String getCodePath() { 15186 return packagePath; 15187 } 15188 15189 @Override 15190 String getResourcePath() { 15191 return resourcePath; 15192 } 15193 15194 int doPreInstall(int status) { 15195 if (status != PackageManager.INSTALL_SUCCEEDED) { 15196 // Destroy container 15197 PackageHelper.destroySdDir(cid); 15198 } else { 15199 boolean mounted = PackageHelper.isContainerMounted(cid); 15200 if (!mounted) { 15201 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 15202 Process.SYSTEM_UID); 15203 if (newMountPath != null) { 15204 setMountPath(newMountPath); 15205 } else { 15206 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15207 } 15208 } 15209 } 15210 return status; 15211 } 15212 15213 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15214 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 15215 String newMountPath = null; 15216 if (PackageHelper.isContainerMounted(cid)) { 15217 // Unmount the container 15218 if (!PackageHelper.unMountSdDir(cid)) { 15219 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 15220 return false; 15221 } 15222 } 15223 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15224 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 15225 " which might be stale. Will try to clean up."); 15226 // Clean up the stale container and proceed to recreate. 15227 if (!PackageHelper.destroySdDir(newCacheId)) { 15228 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 15229 return false; 15230 } 15231 // Successfully cleaned up stale container. Try to rename again. 15232 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15233 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 15234 + " inspite of cleaning it up."); 15235 return false; 15236 } 15237 } 15238 if (!PackageHelper.isContainerMounted(newCacheId)) { 15239 Slog.w(TAG, "Mounting container " + newCacheId); 15240 newMountPath = PackageHelper.mountSdDir(newCacheId, 15241 getEncryptKey(), Process.SYSTEM_UID); 15242 } else { 15243 newMountPath = PackageHelper.getSdDir(newCacheId); 15244 } 15245 if (newMountPath == null) { 15246 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 15247 return false; 15248 } 15249 Log.i(TAG, "Succesfully renamed " + cid + 15250 " to " + newCacheId + 15251 " at new path: " + newMountPath); 15252 cid = newCacheId; 15253 15254 final File beforeCodeFile = new File(packagePath); 15255 setMountPath(newMountPath); 15256 final File afterCodeFile = new File(packagePath); 15257 15258 // Reflect the rename in scanned details 15259 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15260 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15261 afterCodeFile, pkg.baseCodePath)); 15262 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15263 afterCodeFile, pkg.splitCodePaths)); 15264 15265 // Reflect the rename in app info 15266 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15267 pkg.setApplicationInfoCodePath(pkg.codePath); 15268 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15269 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15270 pkg.setApplicationInfoResourcePath(pkg.codePath); 15271 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15272 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15273 15274 return true; 15275 } 15276 15277 private void setMountPath(String mountPath) { 15278 final File mountFile = new File(mountPath); 15279 15280 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 15281 if (monolithicFile.exists()) { 15282 packagePath = monolithicFile.getAbsolutePath(); 15283 if (isFwdLocked()) { 15284 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 15285 } else { 15286 resourcePath = packagePath; 15287 } 15288 } else { 15289 packagePath = mountFile.getAbsolutePath(); 15290 resourcePath = packagePath; 15291 } 15292 } 15293 15294 int doPostInstall(int status, int uid) { 15295 if (status != PackageManager.INSTALL_SUCCEEDED) { 15296 cleanUp(); 15297 } else { 15298 final int groupOwner; 15299 final String protectedFile; 15300 if (isFwdLocked()) { 15301 groupOwner = UserHandle.getSharedAppGid(uid); 15302 protectedFile = RES_FILE_NAME; 15303 } else { 15304 groupOwner = -1; 15305 protectedFile = null; 15306 } 15307 15308 if (uid < Process.FIRST_APPLICATION_UID 15309 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 15310 Slog.e(TAG, "Failed to finalize " + cid); 15311 PackageHelper.destroySdDir(cid); 15312 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15313 } 15314 15315 boolean mounted = PackageHelper.isContainerMounted(cid); 15316 if (!mounted) { 15317 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 15318 } 15319 } 15320 return status; 15321 } 15322 15323 private void cleanUp() { 15324 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 15325 15326 // Destroy secure container 15327 PackageHelper.destroySdDir(cid); 15328 } 15329 15330 private List<String> getAllCodePaths() { 15331 final File codeFile = new File(getCodePath()); 15332 if (codeFile != null && codeFile.exists()) { 15333 try { 15334 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15335 return pkg.getAllCodePaths(); 15336 } catch (PackageParserException e) { 15337 // Ignored; we tried our best 15338 } 15339 } 15340 return Collections.EMPTY_LIST; 15341 } 15342 15343 void cleanUpResourcesLI() { 15344 // Enumerate all code paths before deleting 15345 cleanUpResourcesLI(getAllCodePaths()); 15346 } 15347 15348 private void cleanUpResourcesLI(List<String> allCodePaths) { 15349 cleanUp(); 15350 removeDexFiles(allCodePaths, instructionSets); 15351 } 15352 15353 String getPackageName() { 15354 return getAsecPackageName(cid); 15355 } 15356 15357 boolean doPostDeleteLI(boolean delete) { 15358 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 15359 final List<String> allCodePaths = getAllCodePaths(); 15360 boolean mounted = PackageHelper.isContainerMounted(cid); 15361 if (mounted) { 15362 // Unmount first 15363 if (PackageHelper.unMountSdDir(cid)) { 15364 mounted = false; 15365 } 15366 } 15367 if (!mounted && delete) { 15368 cleanUpResourcesLI(allCodePaths); 15369 } 15370 return !mounted; 15371 } 15372 15373 @Override 15374 int doPreCopy() { 15375 if (isFwdLocked()) { 15376 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 15377 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 15378 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15379 } 15380 } 15381 15382 return PackageManager.INSTALL_SUCCEEDED; 15383 } 15384 15385 @Override 15386 int doPostCopy(int uid) { 15387 if (isFwdLocked()) { 15388 if (uid < Process.FIRST_APPLICATION_UID 15389 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 15390 RES_FILE_NAME)) { 15391 Slog.e(TAG, "Failed to finalize " + cid); 15392 PackageHelper.destroySdDir(cid); 15393 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15394 } 15395 } 15396 15397 return PackageManager.INSTALL_SUCCEEDED; 15398 } 15399 } 15400 15401 /** 15402 * Logic to handle movement of existing installed applications. 15403 */ 15404 class MoveInstallArgs extends InstallArgs { 15405 private File codeFile; 15406 private File resourceFile; 15407 15408 /** New install */ 15409 MoveInstallArgs(InstallParams params) { 15410 super(params.origin, params.move, params.observer, params.installFlags, 15411 params.installerPackageName, params.volumeUuid, 15412 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15413 params.grantedRuntimePermissions, 15414 params.traceMethod, params.traceCookie, params.certificates, 15415 params.installReason); 15416 } 15417 15418 int copyApk(IMediaContainerService imcs, boolean temp) { 15419 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15420 + move.fromUuid + " to " + move.toUuid); 15421 synchronized (mInstaller) { 15422 try { 15423 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15424 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15425 } catch (InstallerException e) { 15426 Slog.w(TAG, "Failed to move app", e); 15427 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15428 } 15429 } 15430 15431 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15432 resourceFile = codeFile; 15433 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15434 15435 return PackageManager.INSTALL_SUCCEEDED; 15436 } 15437 15438 int doPreInstall(int status) { 15439 if (status != PackageManager.INSTALL_SUCCEEDED) { 15440 cleanUp(move.toUuid); 15441 } 15442 return status; 15443 } 15444 15445 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15446 if (status != PackageManager.INSTALL_SUCCEEDED) { 15447 cleanUp(move.toUuid); 15448 return false; 15449 } 15450 15451 // Reflect the move in app info 15452 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15453 pkg.setApplicationInfoCodePath(pkg.codePath); 15454 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15455 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15456 pkg.setApplicationInfoResourcePath(pkg.codePath); 15457 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15458 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15459 15460 return true; 15461 } 15462 15463 int doPostInstall(int status, int uid) { 15464 if (status == PackageManager.INSTALL_SUCCEEDED) { 15465 cleanUp(move.fromUuid); 15466 } else { 15467 cleanUp(move.toUuid); 15468 } 15469 return status; 15470 } 15471 15472 @Override 15473 String getCodePath() { 15474 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15475 } 15476 15477 @Override 15478 String getResourcePath() { 15479 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15480 } 15481 15482 private boolean cleanUp(String volumeUuid) { 15483 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15484 move.dataAppName); 15485 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15486 final int[] userIds = sUserManager.getUserIds(); 15487 synchronized (mInstallLock) { 15488 // Clean up both app data and code 15489 // All package moves are frozen until finished 15490 for (int userId : userIds) { 15491 try { 15492 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15493 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15494 } catch (InstallerException e) { 15495 Slog.w(TAG, String.valueOf(e)); 15496 } 15497 } 15498 removeCodePathLI(codeFile); 15499 } 15500 return true; 15501 } 15502 15503 void cleanUpResourcesLI() { 15504 throw new UnsupportedOperationException(); 15505 } 15506 15507 boolean doPostDeleteLI(boolean delete) { 15508 throw new UnsupportedOperationException(); 15509 } 15510 } 15511 15512 static String getAsecPackageName(String packageCid) { 15513 int idx = packageCid.lastIndexOf("-"); 15514 if (idx == -1) { 15515 return packageCid; 15516 } 15517 return packageCid.substring(0, idx); 15518 } 15519 15520 // Utility method used to create code paths based on package name and available index. 15521 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15522 String idxStr = ""; 15523 int idx = 1; 15524 // Fall back to default value of idx=1 if prefix is not 15525 // part of oldCodePath 15526 if (oldCodePath != null) { 15527 String subStr = oldCodePath; 15528 // Drop the suffix right away 15529 if (suffix != null && subStr.endsWith(suffix)) { 15530 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15531 } 15532 // If oldCodePath already contains prefix find out the 15533 // ending index to either increment or decrement. 15534 int sidx = subStr.lastIndexOf(prefix); 15535 if (sidx != -1) { 15536 subStr = subStr.substring(sidx + prefix.length()); 15537 if (subStr != null) { 15538 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15539 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15540 } 15541 try { 15542 idx = Integer.parseInt(subStr); 15543 if (idx <= 1) { 15544 idx++; 15545 } else { 15546 idx--; 15547 } 15548 } catch(NumberFormatException e) { 15549 } 15550 } 15551 } 15552 } 15553 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15554 return prefix + idxStr; 15555 } 15556 15557 private File getNextCodePath(File targetDir, String packageName) { 15558 File result; 15559 SecureRandom random = new SecureRandom(); 15560 byte[] bytes = new byte[16]; 15561 do { 15562 random.nextBytes(bytes); 15563 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15564 result = new File(targetDir, packageName + "-" + suffix); 15565 } while (result.exists()); 15566 return result; 15567 } 15568 15569 // Utility method that returns the relative package path with respect 15570 // to the installation directory. Like say for /data/data/com.test-1.apk 15571 // string com.test-1 is returned. 15572 static String deriveCodePathName(String codePath) { 15573 if (codePath == null) { 15574 return null; 15575 } 15576 final File codeFile = new File(codePath); 15577 final String name = codeFile.getName(); 15578 if (codeFile.isDirectory()) { 15579 return name; 15580 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15581 final int lastDot = name.lastIndexOf('.'); 15582 return name.substring(0, lastDot); 15583 } else { 15584 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15585 return null; 15586 } 15587 } 15588 15589 static class PackageInstalledInfo { 15590 String name; 15591 int uid; 15592 // The set of users that originally had this package installed. 15593 int[] origUsers; 15594 // The set of users that now have this package installed. 15595 int[] newUsers; 15596 PackageParser.Package pkg; 15597 int returnCode; 15598 String returnMsg; 15599 PackageRemovedInfo removedInfo; 15600 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15601 15602 public void setError(int code, String msg) { 15603 setReturnCode(code); 15604 setReturnMessage(msg); 15605 Slog.w(TAG, msg); 15606 } 15607 15608 public void setError(String msg, PackageParserException e) { 15609 setReturnCode(e.error); 15610 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15611 Slog.w(TAG, msg, e); 15612 } 15613 15614 public void setError(String msg, PackageManagerException e) { 15615 returnCode = e.error; 15616 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15617 Slog.w(TAG, msg, e); 15618 } 15619 15620 public void setReturnCode(int returnCode) { 15621 this.returnCode = returnCode; 15622 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15623 for (int i = 0; i < childCount; i++) { 15624 addedChildPackages.valueAt(i).returnCode = returnCode; 15625 } 15626 } 15627 15628 private void setReturnMessage(String returnMsg) { 15629 this.returnMsg = returnMsg; 15630 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15631 for (int i = 0; i < childCount; i++) { 15632 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15633 } 15634 } 15635 15636 // In some error cases we want to convey more info back to the observer 15637 String origPackage; 15638 String origPermission; 15639 } 15640 15641 /* 15642 * Install a non-existing package. 15643 */ 15644 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 15645 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 15646 PackageInstalledInfo res, int installReason) { 15647 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15648 15649 // Remember this for later, in case we need to rollback this install 15650 String pkgName = pkg.packageName; 15651 15652 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15653 15654 synchronized(mPackages) { 15655 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15656 if (renamedPackage != null) { 15657 // A package with the same name is already installed, though 15658 // it has been renamed to an older name. The package we 15659 // are trying to install should be installed as an update to 15660 // the existing one, but that has not been requested, so bail. 15661 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15662 + " without first uninstalling package running as " 15663 + renamedPackage); 15664 return; 15665 } 15666 if (mPackages.containsKey(pkgName)) { 15667 // Don't allow installation over an existing package with the same name. 15668 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15669 + " without first uninstalling."); 15670 return; 15671 } 15672 } 15673 15674 try { 15675 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 15676 System.currentTimeMillis(), user); 15677 15678 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15679 15680 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15681 prepareAppDataAfterInstallLIF(newPackage); 15682 15683 } else { 15684 // Remove package from internal structures, but keep around any 15685 // data that might have already existed 15686 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15687 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15688 } 15689 } catch (PackageManagerException e) { 15690 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15691 } 15692 15693 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15694 } 15695 15696 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 15697 // Can't rotate keys during boot or if sharedUser. 15698 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 15699 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 15700 return false; 15701 } 15702 // app is using upgradeKeySets; make sure all are valid 15703 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15704 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 15705 for (int i = 0; i < upgradeKeySets.length; i++) { 15706 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 15707 Slog.wtf(TAG, "Package " 15708 + (oldPs.name != null ? oldPs.name : "<null>") 15709 + " contains upgrade-key-set reference to unknown key-set: " 15710 + upgradeKeySets[i] 15711 + " reverting to signatures check."); 15712 return false; 15713 } 15714 } 15715 return true; 15716 } 15717 15718 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 15719 // Upgrade keysets are being used. Determine if new package has a superset of the 15720 // required keys. 15721 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 15722 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15723 for (int i = 0; i < upgradeKeySets.length; i++) { 15724 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 15725 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 15726 return true; 15727 } 15728 } 15729 return false; 15730 } 15731 15732 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15733 try (DigestInputStream digestStream = 15734 new DigestInputStream(new FileInputStream(file), digest)) { 15735 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15736 } 15737 } 15738 15739 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 15740 UserHandle user, String installerPackageName, PackageInstalledInfo res, 15741 int installReason) { 15742 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 15743 15744 final PackageParser.Package oldPackage; 15745 final String pkgName = pkg.packageName; 15746 final int[] allUsers; 15747 final int[] installedUsers; 15748 15749 synchronized(mPackages) { 15750 oldPackage = mPackages.get(pkgName); 15751 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15752 15753 // don't allow upgrade to target a release SDK from a pre-release SDK 15754 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15755 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15756 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15757 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15758 if (oldTargetsPreRelease 15759 && !newTargetsPreRelease 15760 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15761 Slog.w(TAG, "Can't install package targeting released sdk"); 15762 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15763 return; 15764 } 15765 15766 // don't allow an upgrade from full to ephemeral 15767 final boolean oldIsEphemeral = oldPackage.applicationInfo.isInstantApp(); 15768 if (isEphemeral && !oldIsEphemeral) { 15769 // can't downgrade from full to ephemeral 15770 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 15771 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 15772 return; 15773 } 15774 15775 // verify signatures are valid 15776 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15777 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15778 if (!checkUpgradeKeySetLP(ps, pkg)) { 15779 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15780 "New package not signed by keys specified by upgrade-keysets: " 15781 + pkgName); 15782 return; 15783 } 15784 } else { 15785 // default to original signature matching 15786 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 15787 != PackageManager.SIGNATURE_MATCH) { 15788 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15789 "New package has a different signature: " + pkgName); 15790 return; 15791 } 15792 } 15793 15794 // don't allow a system upgrade unless the upgrade hash matches 15795 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 15796 byte[] digestBytes = null; 15797 try { 15798 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15799 updateDigest(digest, new File(pkg.baseCodePath)); 15800 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15801 for (String path : pkg.splitCodePaths) { 15802 updateDigest(digest, new File(path)); 15803 } 15804 } 15805 digestBytes = digest.digest(); 15806 } catch (NoSuchAlgorithmException | IOException e) { 15807 res.setError(INSTALL_FAILED_INVALID_APK, 15808 "Could not compute hash: " + pkgName); 15809 return; 15810 } 15811 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15812 res.setError(INSTALL_FAILED_INVALID_APK, 15813 "New package fails restrict-update check: " + pkgName); 15814 return; 15815 } 15816 // retain upgrade restriction 15817 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15818 } 15819 15820 // Check for shared user id changes 15821 String invalidPackageName = 15822 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15823 if (invalidPackageName != null) { 15824 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15825 "Package " + invalidPackageName + " tried to change user " 15826 + oldPackage.mSharedUserId); 15827 return; 15828 } 15829 15830 // In case of rollback, remember per-user/profile install state 15831 allUsers = sUserManager.getUserIds(); 15832 installedUsers = ps.queryInstalledUsers(allUsers, true); 15833 } 15834 15835 // Update what is removed 15836 res.removedInfo = new PackageRemovedInfo(); 15837 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15838 res.removedInfo.removedPackage = oldPackage.packageName; 15839 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 15840 res.removedInfo.isUpdate = true; 15841 res.removedInfo.origUsers = installedUsers; 15842 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 15843 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15844 for (int i = 0; i < installedUsers.length; i++) { 15845 final int userId = installedUsers[i]; 15846 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15847 } 15848 15849 final int childCount = (oldPackage.childPackages != null) 15850 ? oldPackage.childPackages.size() : 0; 15851 for (int i = 0; i < childCount; i++) { 15852 boolean childPackageUpdated = false; 15853 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15854 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15855 if (res.addedChildPackages != null) { 15856 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15857 if (childRes != null) { 15858 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15859 childRes.removedInfo.removedPackage = childPkg.packageName; 15860 childRes.removedInfo.isUpdate = true; 15861 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15862 childPackageUpdated = true; 15863 } 15864 } 15865 if (!childPackageUpdated) { 15866 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 15867 childRemovedRes.removedPackage = childPkg.packageName; 15868 childRemovedRes.isUpdate = false; 15869 childRemovedRes.dataRemoved = true; 15870 synchronized (mPackages) { 15871 if (childPs != null) { 15872 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 15873 } 15874 } 15875 if (res.removedInfo.removedChildPackages == null) { 15876 res.removedInfo.removedChildPackages = new ArrayMap<>(); 15877 } 15878 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 15879 } 15880 } 15881 15882 boolean sysPkg = (isSystemApp(oldPackage)); 15883 if (sysPkg) { 15884 // Set the system/privileged flags as needed 15885 final boolean privileged = 15886 (oldPackage.applicationInfo.privateFlags 15887 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15888 final int systemPolicyFlags = policyFlags 15889 | PackageParser.PARSE_IS_SYSTEM 15890 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 15891 15892 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 15893 user, allUsers, installerPackageName, res, installReason); 15894 } else { 15895 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 15896 user, allUsers, installerPackageName, res, installReason); 15897 } 15898 } 15899 15900 public List<String> getPreviousCodePaths(String packageName) { 15901 final PackageSetting ps = mSettings.mPackages.get(packageName); 15902 final List<String> result = new ArrayList<String>(); 15903 if (ps != null && ps.oldCodePaths != null) { 15904 result.addAll(ps.oldCodePaths); 15905 } 15906 return result; 15907 } 15908 15909 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 15910 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15911 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15912 int installReason) { 15913 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 15914 + deletedPackage); 15915 15916 String pkgName = deletedPackage.packageName; 15917 boolean deletedPkg = true; 15918 boolean addedPkg = false; 15919 boolean updatedSettings = false; 15920 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 15921 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 15922 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 15923 15924 final long origUpdateTime = (pkg.mExtras != null) 15925 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 15926 15927 // First delete the existing package while retaining the data directory 15928 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15929 res.removedInfo, true, pkg)) { 15930 // If the existing package wasn't successfully deleted 15931 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 15932 deletedPkg = false; 15933 } else { 15934 // Successfully deleted the old package; proceed with replace. 15935 15936 // If deleted package lived in a container, give users a chance to 15937 // relinquish resources before killing. 15938 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 15939 if (DEBUG_INSTALL) { 15940 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 15941 } 15942 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 15943 final ArrayList<String> pkgList = new ArrayList<String>(1); 15944 pkgList.add(deletedPackage.applicationInfo.packageName); 15945 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 15946 } 15947 15948 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15949 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15950 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15951 15952 try { 15953 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 15954 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 15955 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15956 installReason); 15957 15958 // Update the in-memory copy of the previous code paths. 15959 PackageSetting ps = mSettings.mPackages.get(pkgName); 15960 if (!killApp) { 15961 if (ps.oldCodePaths == null) { 15962 ps.oldCodePaths = new ArraySet<>(); 15963 } 15964 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 15965 if (deletedPackage.splitCodePaths != null) { 15966 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 15967 } 15968 } else { 15969 ps.oldCodePaths = null; 15970 } 15971 if (ps.childPackageNames != null) { 15972 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 15973 final String childPkgName = ps.childPackageNames.get(i); 15974 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 15975 childPs.oldCodePaths = ps.oldCodePaths; 15976 } 15977 } 15978 prepareAppDataAfterInstallLIF(newPackage); 15979 addedPkg = true; 15980 } catch (PackageManagerException e) { 15981 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15982 } 15983 } 15984 15985 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15986 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 15987 15988 // Revert all internal state mutations and added folders for the failed install 15989 if (addedPkg) { 15990 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15991 res.removedInfo, true, null); 15992 } 15993 15994 // Restore the old package 15995 if (deletedPkg) { 15996 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 15997 File restoreFile = new File(deletedPackage.codePath); 15998 // Parse old package 15999 boolean oldExternal = isExternal(deletedPackage); 16000 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16001 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16002 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16003 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16004 try { 16005 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16006 null); 16007 } catch (PackageManagerException e) { 16008 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16009 + e.getMessage()); 16010 return; 16011 } 16012 16013 synchronized (mPackages) { 16014 // Ensure the installer package name up to date 16015 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16016 16017 // Update permissions for restored package 16018 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16019 16020 mSettings.writeLPr(); 16021 } 16022 16023 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16024 } 16025 } else { 16026 synchronized (mPackages) { 16027 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16028 if (ps != null) { 16029 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16030 if (res.removedInfo.removedChildPackages != null) { 16031 final int childCount = res.removedInfo.removedChildPackages.size(); 16032 // Iterate in reverse as we may modify the collection 16033 for (int i = childCount - 1; i >= 0; i--) { 16034 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16035 if (res.addedChildPackages.containsKey(childPackageName)) { 16036 res.removedInfo.removedChildPackages.removeAt(i); 16037 } else { 16038 PackageRemovedInfo childInfo = res.removedInfo 16039 .removedChildPackages.valueAt(i); 16040 childInfo.removedForAllUsers = mPackages.get( 16041 childInfo.removedPackage) == null; 16042 } 16043 } 16044 } 16045 } 16046 } 16047 } 16048 } 16049 16050 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16051 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16052 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16053 int installReason) { 16054 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16055 + ", old=" + deletedPackage); 16056 16057 final boolean disabledSystem; 16058 16059 // Remove existing system package 16060 removePackageLI(deletedPackage, true); 16061 16062 synchronized (mPackages) { 16063 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16064 } 16065 if (!disabledSystem) { 16066 // We didn't need to disable the .apk as a current system package, 16067 // which means we are replacing another update that is already 16068 // installed. We need to make sure to delete the older one's .apk. 16069 res.removedInfo.args = createInstallArgsForExisting(0, 16070 deletedPackage.applicationInfo.getCodePath(), 16071 deletedPackage.applicationInfo.getResourcePath(), 16072 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16073 } else { 16074 res.removedInfo.args = null; 16075 } 16076 16077 // Successfully disabled the old package. Now proceed with re-installation 16078 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16079 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16080 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16081 16082 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16083 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16084 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16085 16086 PackageParser.Package newPackage = null; 16087 try { 16088 // Add the package to the internal data structures 16089 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 16090 16091 // Set the update and install times 16092 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16093 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16094 System.currentTimeMillis()); 16095 16096 // Update the package dynamic state if succeeded 16097 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16098 // Now that the install succeeded make sure we remove data 16099 // directories for any child package the update removed. 16100 final int deletedChildCount = (deletedPackage.childPackages != null) 16101 ? deletedPackage.childPackages.size() : 0; 16102 final int newChildCount = (newPackage.childPackages != null) 16103 ? newPackage.childPackages.size() : 0; 16104 for (int i = 0; i < deletedChildCount; i++) { 16105 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16106 boolean childPackageDeleted = true; 16107 for (int j = 0; j < newChildCount; j++) { 16108 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16109 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16110 childPackageDeleted = false; 16111 break; 16112 } 16113 } 16114 if (childPackageDeleted) { 16115 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16116 deletedChildPkg.packageName); 16117 if (ps != null && res.removedInfo.removedChildPackages != null) { 16118 PackageRemovedInfo removedChildRes = res.removedInfo 16119 .removedChildPackages.get(deletedChildPkg.packageName); 16120 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16121 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16122 } 16123 } 16124 } 16125 16126 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16127 installReason); 16128 prepareAppDataAfterInstallLIF(newPackage); 16129 } 16130 } catch (PackageManagerException e) { 16131 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16132 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16133 } 16134 16135 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16136 // Re installation failed. Restore old information 16137 // Remove new pkg information 16138 if (newPackage != null) { 16139 removeInstalledPackageLI(newPackage, true); 16140 } 16141 // Add back the old system package 16142 try { 16143 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16144 } catch (PackageManagerException e) { 16145 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16146 } 16147 16148 synchronized (mPackages) { 16149 if (disabledSystem) { 16150 enableSystemPackageLPw(deletedPackage); 16151 } 16152 16153 // Ensure the installer package name up to date 16154 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16155 16156 // Update permissions for restored package 16157 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16158 16159 mSettings.writeLPr(); 16160 } 16161 16162 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16163 + " after failed upgrade"); 16164 } 16165 } 16166 16167 /** 16168 * Checks whether the parent or any of the child packages have a change shared 16169 * user. For a package to be a valid update the shred users of the parent and 16170 * the children should match. We may later support changing child shared users. 16171 * @param oldPkg The updated package. 16172 * @param newPkg The update package. 16173 * @return The shared user that change between the versions. 16174 */ 16175 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16176 PackageParser.Package newPkg) { 16177 // Check parent shared user 16178 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16179 return newPkg.packageName; 16180 } 16181 // Check child shared users 16182 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16183 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16184 for (int i = 0; i < newChildCount; i++) { 16185 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16186 // If this child was present, did it have the same shared user? 16187 for (int j = 0; j < oldChildCount; j++) { 16188 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16189 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16190 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16191 return newChildPkg.packageName; 16192 } 16193 } 16194 } 16195 return null; 16196 } 16197 16198 private void removeNativeBinariesLI(PackageSetting ps) { 16199 // Remove the lib path for the parent package 16200 if (ps != null) { 16201 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16202 // Remove the lib path for the child packages 16203 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16204 for (int i = 0; i < childCount; i++) { 16205 PackageSetting childPs = null; 16206 synchronized (mPackages) { 16207 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16208 } 16209 if (childPs != null) { 16210 NativeLibraryHelper.removeNativeBinariesLI(childPs 16211 .legacyNativeLibraryPathString); 16212 } 16213 } 16214 } 16215 } 16216 16217 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16218 // Enable the parent package 16219 mSettings.enableSystemPackageLPw(pkg.packageName); 16220 // Enable the child packages 16221 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16222 for (int i = 0; i < childCount; i++) { 16223 PackageParser.Package childPkg = pkg.childPackages.get(i); 16224 mSettings.enableSystemPackageLPw(childPkg.packageName); 16225 } 16226 } 16227 16228 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16229 PackageParser.Package newPkg) { 16230 // Disable the parent package (parent always replaced) 16231 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16232 // Disable the child packages 16233 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16234 for (int i = 0; i < childCount; i++) { 16235 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16236 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16237 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16238 } 16239 return disabled; 16240 } 16241 16242 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16243 String installerPackageName) { 16244 // Enable the parent package 16245 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16246 // Enable the child packages 16247 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16248 for (int i = 0; i < childCount; i++) { 16249 PackageParser.Package childPkg = pkg.childPackages.get(i); 16250 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16251 } 16252 } 16253 16254 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 16255 // Collect all used permissions in the UID 16256 ArraySet<String> usedPermissions = new ArraySet<>(); 16257 final int packageCount = su.packages.size(); 16258 for (int i = 0; i < packageCount; i++) { 16259 PackageSetting ps = su.packages.valueAt(i); 16260 if (ps.pkg == null) { 16261 continue; 16262 } 16263 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 16264 for (int j = 0; j < requestedPermCount; j++) { 16265 String permission = ps.pkg.requestedPermissions.get(j); 16266 BasePermission bp = mSettings.mPermissions.get(permission); 16267 if (bp != null) { 16268 usedPermissions.add(permission); 16269 } 16270 } 16271 } 16272 16273 PermissionsState permissionsState = su.getPermissionsState(); 16274 // Prune install permissions 16275 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 16276 final int installPermCount = installPermStates.size(); 16277 for (int i = installPermCount - 1; i >= 0; i--) { 16278 PermissionState permissionState = installPermStates.get(i); 16279 if (!usedPermissions.contains(permissionState.getName())) { 16280 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16281 if (bp != null) { 16282 permissionsState.revokeInstallPermission(bp); 16283 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 16284 PackageManager.MASK_PERMISSION_FLAGS, 0); 16285 } 16286 } 16287 } 16288 16289 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 16290 16291 // Prune runtime permissions 16292 for (int userId : allUserIds) { 16293 List<PermissionState> runtimePermStates = permissionsState 16294 .getRuntimePermissionStates(userId); 16295 final int runtimePermCount = runtimePermStates.size(); 16296 for (int i = runtimePermCount - 1; i >= 0; i--) { 16297 PermissionState permissionState = runtimePermStates.get(i); 16298 if (!usedPermissions.contains(permissionState.getName())) { 16299 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16300 if (bp != null) { 16301 permissionsState.revokeRuntimePermission(bp, userId); 16302 permissionsState.updatePermissionFlags(bp, userId, 16303 PackageManager.MASK_PERMISSION_FLAGS, 0); 16304 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 16305 runtimePermissionChangedUserIds, userId); 16306 } 16307 } 16308 } 16309 } 16310 16311 return runtimePermissionChangedUserIds; 16312 } 16313 16314 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16315 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16316 // Update the parent package setting 16317 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16318 res, user, installReason); 16319 // Update the child packages setting 16320 final int childCount = (newPackage.childPackages != null) 16321 ? newPackage.childPackages.size() : 0; 16322 for (int i = 0; i < childCount; i++) { 16323 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16324 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16325 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16326 childRes.origUsers, childRes, user, installReason); 16327 } 16328 } 16329 16330 private void updateSettingsInternalLI(PackageParser.Package newPackage, 16331 String installerPackageName, int[] allUsers, int[] installedForUsers, 16332 PackageInstalledInfo res, UserHandle user, int installReason) { 16333 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16334 16335 String pkgName = newPackage.packageName; 16336 synchronized (mPackages) { 16337 //write settings. the installStatus will be incomplete at this stage. 16338 //note that the new package setting would have already been 16339 //added to mPackages. It hasn't been persisted yet. 16340 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 16341 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16342 mSettings.writeLPr(); 16343 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16344 } 16345 16346 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 16347 synchronized (mPackages) { 16348 updatePermissionsLPw(newPackage.packageName, newPackage, 16349 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 16350 ? UPDATE_PERMISSIONS_ALL : 0)); 16351 // For system-bundled packages, we assume that installing an upgraded version 16352 // of the package implies that the user actually wants to run that new code, 16353 // so we enable the package. 16354 PackageSetting ps = mSettings.mPackages.get(pkgName); 16355 final int userId = user.getIdentifier(); 16356 if (ps != null) { 16357 if (isSystemApp(newPackage)) { 16358 if (DEBUG_INSTALL) { 16359 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16360 } 16361 // Enable system package for requested users 16362 if (res.origUsers != null) { 16363 for (int origUserId : res.origUsers) { 16364 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16365 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16366 origUserId, installerPackageName); 16367 } 16368 } 16369 } 16370 // Also convey the prior install/uninstall state 16371 if (allUsers != null && installedForUsers != null) { 16372 for (int currentUserId : allUsers) { 16373 final boolean installed = ArrayUtils.contains( 16374 installedForUsers, currentUserId); 16375 if (DEBUG_INSTALL) { 16376 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16377 } 16378 ps.setInstalled(installed, currentUserId); 16379 } 16380 // these install state changes will be persisted in the 16381 // upcoming call to mSettings.writeLPr(). 16382 } 16383 } 16384 // It's implied that when a user requests installation, they want the app to be 16385 // installed and enabled. 16386 if (userId != UserHandle.USER_ALL) { 16387 ps.setInstalled(true, userId); 16388 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16389 } 16390 16391 // When replacing an existing package, preserve the original install reason for all 16392 // users that had the package installed before. 16393 final Set<Integer> previousUserIds = new ArraySet<>(); 16394 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16395 final int installReasonCount = res.removedInfo.installReasons.size(); 16396 for (int i = 0; i < installReasonCount; i++) { 16397 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16398 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16399 ps.setInstallReason(previousInstallReason, previousUserId); 16400 previousUserIds.add(previousUserId); 16401 } 16402 } 16403 16404 // Set install reason for users that are having the package newly installed. 16405 if (userId == UserHandle.USER_ALL) { 16406 for (int currentUserId : sUserManager.getUserIds()) { 16407 if (!previousUserIds.contains(currentUserId)) { 16408 ps.setInstallReason(installReason, currentUserId); 16409 } 16410 } 16411 } else if (!previousUserIds.contains(userId)) { 16412 ps.setInstallReason(installReason, userId); 16413 } 16414 } 16415 res.name = pkgName; 16416 res.uid = newPackage.applicationInfo.uid; 16417 res.pkg = newPackage; 16418 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 16419 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16420 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16421 //to update install status 16422 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16423 mSettings.writeLPr(); 16424 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16425 } 16426 16427 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16428 } 16429 16430 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16431 try { 16432 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16433 installPackageLI(args, res); 16434 } finally { 16435 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16436 } 16437 } 16438 16439 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16440 final int installFlags = args.installFlags; 16441 final String installerPackageName = args.installerPackageName; 16442 final String volumeUuid = args.volumeUuid; 16443 final File tmpPackageFile = new File(args.getCodePath()); 16444 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16445 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16446 || (args.volumeUuid != null)); 16447 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 16448 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16449 boolean replace = false; 16450 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16451 if (args.move != null) { 16452 // moving a complete application; perform an initial scan on the new install location 16453 scanFlags |= SCAN_INITIAL; 16454 } 16455 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16456 scanFlags |= SCAN_DONT_KILL_APP; 16457 } 16458 16459 // Result object to be returned 16460 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16461 16462 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16463 16464 // Sanity check 16465 if (ephemeral && (forwardLocked || onExternal)) { 16466 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16467 + " external=" + onExternal); 16468 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 16469 return; 16470 } 16471 16472 // Retrieve PackageSettings and parse package 16473 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16474 | PackageParser.PARSE_ENFORCE_CODE 16475 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16476 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16477 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 16478 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16479 PackageParser pp = new PackageParser(); 16480 pp.setSeparateProcesses(mSeparateProcesses); 16481 pp.setDisplayMetrics(mMetrics); 16482 16483 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16484 final PackageParser.Package pkg; 16485 try { 16486 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16487 } catch (PackageParserException e) { 16488 res.setError("Failed parse during installPackageLI", e); 16489 return; 16490 } finally { 16491 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16492 } 16493 16494// // Ephemeral apps must have target SDK >= O. 16495// // TODO: Update conditional and error message when O gets locked down 16496// if (ephemeral && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 16497// res.setError(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID, 16498// "Ephemeral apps must have target SDK version of at least O"); 16499// return; 16500// } 16501 16502 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16503 // Static shared libraries have synthetic package names 16504 renameStaticSharedLibraryPackage(pkg); 16505 16506 // No static shared libs on external storage 16507 if (onExternal) { 16508 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16509 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16510 "Packages declaring static-shared libs cannot be updated"); 16511 return; 16512 } 16513 } 16514 16515 // If we are installing a clustered package add results for the children 16516 if (pkg.childPackages != null) { 16517 synchronized (mPackages) { 16518 final int childCount = pkg.childPackages.size(); 16519 for (int i = 0; i < childCount; i++) { 16520 PackageParser.Package childPkg = pkg.childPackages.get(i); 16521 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16522 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16523 childRes.pkg = childPkg; 16524 childRes.name = childPkg.packageName; 16525 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16526 if (childPs != null) { 16527 childRes.origUsers = childPs.queryInstalledUsers( 16528 sUserManager.getUserIds(), true); 16529 } 16530 if ((mPackages.containsKey(childPkg.packageName))) { 16531 childRes.removedInfo = new PackageRemovedInfo(); 16532 childRes.removedInfo.removedPackage = childPkg.packageName; 16533 } 16534 if (res.addedChildPackages == null) { 16535 res.addedChildPackages = new ArrayMap<>(); 16536 } 16537 res.addedChildPackages.put(childPkg.packageName, childRes); 16538 } 16539 } 16540 } 16541 16542 // If package doesn't declare API override, mark that we have an install 16543 // time CPU ABI override. 16544 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16545 pkg.cpuAbiOverride = args.abiOverride; 16546 } 16547 16548 String pkgName = res.name = pkg.packageName; 16549 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16550 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16551 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16552 return; 16553 } 16554 } 16555 16556 try { 16557 // either use what we've been given or parse directly from the APK 16558 if (args.certificates != null) { 16559 try { 16560 PackageParser.populateCertificates(pkg, args.certificates); 16561 } catch (PackageParserException e) { 16562 // there was something wrong with the certificates we were given; 16563 // try to pull them from the APK 16564 PackageParser.collectCertificates(pkg, parseFlags); 16565 } 16566 } else { 16567 PackageParser.collectCertificates(pkg, parseFlags); 16568 } 16569 } catch (PackageParserException e) { 16570 res.setError("Failed collect during installPackageLI", e); 16571 return; 16572 } 16573 16574 // Get rid of all references to package scan path via parser. 16575 pp = null; 16576 String oldCodePath = null; 16577 boolean systemApp = false; 16578 synchronized (mPackages) { 16579 // Check if installing already existing package 16580 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16581 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16582 if (pkg.mOriginalPackages != null 16583 && pkg.mOriginalPackages.contains(oldName) 16584 && mPackages.containsKey(oldName)) { 16585 // This package is derived from an original package, 16586 // and this device has been updating from that original 16587 // name. We must continue using the original name, so 16588 // rename the new package here. 16589 pkg.setPackageName(oldName); 16590 pkgName = pkg.packageName; 16591 replace = true; 16592 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16593 + oldName + " pkgName=" + pkgName); 16594 } else if (mPackages.containsKey(pkgName)) { 16595 // This package, under its official name, already exists 16596 // on the device; we should replace it. 16597 replace = true; 16598 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16599 } 16600 16601 // Child packages are installed through the parent package 16602 if (pkg.parentPackage != null) { 16603 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16604 "Package " + pkg.packageName + " is child of package " 16605 + pkg.parentPackage.parentPackage + ". Child packages " 16606 + "can be updated only through the parent package."); 16607 return; 16608 } 16609 16610 if (replace) { 16611 // Prevent apps opting out from runtime permissions 16612 PackageParser.Package oldPackage = mPackages.get(pkgName); 16613 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16614 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16615 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16616 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16617 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16618 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16619 + " doesn't support runtime permissions but the old" 16620 + " target SDK " + oldTargetSdk + " does."); 16621 return; 16622 } 16623 16624 // Prevent installing of child packages 16625 if (oldPackage.parentPackage != null) { 16626 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16627 "Package " + pkg.packageName + " is child of package " 16628 + oldPackage.parentPackage + ". Child packages " 16629 + "can be updated only through the parent package."); 16630 return; 16631 } 16632 } 16633 } 16634 16635 PackageSetting ps = mSettings.mPackages.get(pkgName); 16636 if (ps != null) { 16637 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16638 16639 // Static shared libs have same package with different versions where 16640 // we internally use a synthetic package name to allow multiple versions 16641 // of the same package, therefore we need to compare signatures against 16642 // the package setting for the latest library version. 16643 PackageSetting signatureCheckPs = ps; 16644 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16645 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 16646 if (libraryEntry != null) { 16647 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 16648 } 16649 } 16650 16651 // Quick sanity check that we're signed correctly if updating; 16652 // we'll check this again later when scanning, but we want to 16653 // bail early here before tripping over redefined permissions. 16654 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 16655 if (!checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 16656 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 16657 + pkg.packageName + " upgrade keys do not match the " 16658 + "previously installed version"); 16659 return; 16660 } 16661 } else { 16662 try { 16663 verifySignaturesLP(signatureCheckPs, pkg); 16664 } catch (PackageManagerException e) { 16665 res.setError(e.error, e.getMessage()); 16666 return; 16667 } 16668 } 16669 16670 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 16671 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 16672 systemApp = (ps.pkg.applicationInfo.flags & 16673 ApplicationInfo.FLAG_SYSTEM) != 0; 16674 } 16675 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16676 } 16677 16678 // Check whether the newly-scanned package wants to define an already-defined perm 16679 int N = pkg.permissions.size(); 16680 for (int i = N-1; i >= 0; i--) { 16681 PackageParser.Permission perm = pkg.permissions.get(i); 16682 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 16683 if (bp != null) { 16684 // If the defining package is signed with our cert, it's okay. This 16685 // also includes the "updating the same package" case, of course. 16686 // "updating same package" could also involve key-rotation. 16687 final boolean sigsOk; 16688 if (bp.sourcePackage.equals(pkg.packageName) 16689 && (bp.packageSetting instanceof PackageSetting) 16690 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 16691 scanFlags))) { 16692 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 16693 } else { 16694 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 16695 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 16696 } 16697 if (!sigsOk) { 16698 // If the owning package is the system itself, we log but allow 16699 // install to proceed; we fail the install on all other permission 16700 // redefinitions. 16701 if (!bp.sourcePackage.equals("android")) { 16702 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 16703 + pkg.packageName + " attempting to redeclare permission " 16704 + perm.info.name + " already owned by " + bp.sourcePackage); 16705 res.origPermission = perm.info.name; 16706 res.origPackage = bp.sourcePackage; 16707 return; 16708 } else { 16709 Slog.w(TAG, "Package " + pkg.packageName 16710 + " attempting to redeclare system permission " 16711 + perm.info.name + "; ignoring new declaration"); 16712 pkg.permissions.remove(i); 16713 } 16714 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16715 // Prevent apps to change protection level to dangerous from any other 16716 // type as this would allow a privilege escalation where an app adds a 16717 // normal/signature permission in other app's group and later redefines 16718 // it as dangerous leading to the group auto-grant. 16719 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 16720 == PermissionInfo.PROTECTION_DANGEROUS) { 16721 if (bp != null && !bp.isRuntime()) { 16722 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 16723 + "non-runtime permission " + perm.info.name 16724 + " to runtime; keeping old protection level"); 16725 perm.info.protectionLevel = bp.protectionLevel; 16726 } 16727 } 16728 } 16729 } 16730 } 16731 } 16732 16733 if (systemApp) { 16734 if (onExternal) { 16735 // Abort update; system app can't be replaced with app on sdcard 16736 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16737 "Cannot install updates to system apps on sdcard"); 16738 return; 16739 } else if (ephemeral) { 16740 // Abort update; system app can't be replaced with an ephemeral app 16741 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 16742 "Cannot update a system app with an ephemeral app"); 16743 return; 16744 } 16745 } 16746 16747 if (args.move != null) { 16748 // We did an in-place move, so dex is ready to roll 16749 scanFlags |= SCAN_NO_DEX; 16750 scanFlags |= SCAN_MOVE; 16751 16752 synchronized (mPackages) { 16753 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16754 if (ps == null) { 16755 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16756 "Missing settings for moved package " + pkgName); 16757 } 16758 16759 // We moved the entire application as-is, so bring over the 16760 // previously derived ABI information. 16761 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16762 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16763 } 16764 16765 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16766 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16767 scanFlags |= SCAN_NO_DEX; 16768 16769 try { 16770 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16771 args.abiOverride : pkg.cpuAbiOverride); 16772 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 16773 true /*extractLibs*/, mAppLib32InstallDir); 16774 } catch (PackageManagerException pme) { 16775 Slog.e(TAG, "Error deriving application ABI", pme); 16776 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16777 return; 16778 } 16779 16780 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16781 // Do not run PackageDexOptimizer through the local performDexOpt 16782 // method because `pkg` may not be in `mPackages` yet. 16783 // 16784 // Also, don't fail application installs if the dexopt step fails. 16785 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16786 null /* instructionSets */, false /* checkProfiles */, 16787 getCompilerFilterForReason(REASON_INSTALL), 16788 getOrCreateCompilerPackageStats(pkg)); 16789 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16790 16791 // Notify BackgroundDexOptJobService that the package has been changed. 16792 // If this is an update of a package which used to fail to compile, 16793 // BDOS will remove it from its blacklist. 16794 // TODO: Layering violation 16795 BackgroundDexOptJobService.notifyPackageChanged(pkg.packageName); 16796 } 16797 16798 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16799 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16800 return; 16801 } 16802 16803 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16804 16805 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16806 "installPackageLI")) { 16807 if (replace) { 16808 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16809 // Static libs have a synthetic package name containing the version 16810 // and cannot be updated as an update would get a new package name, 16811 // unless this is the exact same version code which is useful for 16812 // development. 16813 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 16814 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 16815 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 16816 + "static-shared libs cannot be updated"); 16817 return; 16818 } 16819 } 16820 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 16821 installerPackageName, res, args.installReason); 16822 } else { 16823 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16824 args.user, installerPackageName, volumeUuid, res, args.installReason); 16825 } 16826 } 16827 synchronized (mPackages) { 16828 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16829 if (ps != null) { 16830 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16831 } 16832 16833 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16834 for (int i = 0; i < childCount; i++) { 16835 PackageParser.Package childPkg = pkg.childPackages.get(i); 16836 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16837 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16838 if (childPs != null) { 16839 childRes.newUsers = childPs.queryInstalledUsers( 16840 sUserManager.getUserIds(), true); 16841 } 16842 } 16843 } 16844 } 16845 16846 private void startIntentFilterVerifications(int userId, boolean replacing, 16847 PackageParser.Package pkg) { 16848 if (mIntentFilterVerifierComponent == null) { 16849 Slog.w(TAG, "No IntentFilter verification will not be done as " 16850 + "there is no IntentFilterVerifier available!"); 16851 return; 16852 } 16853 16854 final int verifierUid = getPackageUid( 16855 mIntentFilterVerifierComponent.getPackageName(), 16856 MATCH_DEBUG_TRIAGED_MISSING, 16857 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 16858 16859 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16860 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 16861 mHandler.sendMessage(msg); 16862 16863 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16864 for (int i = 0; i < childCount; i++) { 16865 PackageParser.Package childPkg = pkg.childPackages.get(i); 16866 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16867 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 16868 mHandler.sendMessage(msg); 16869 } 16870 } 16871 16872 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 16873 PackageParser.Package pkg) { 16874 int size = pkg.activities.size(); 16875 if (size == 0) { 16876 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16877 "No activity, so no need to verify any IntentFilter!"); 16878 return; 16879 } 16880 16881 final boolean hasDomainURLs = hasDomainURLs(pkg); 16882 if (!hasDomainURLs) { 16883 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16884 "No domain URLs, so no need to verify any IntentFilter!"); 16885 return; 16886 } 16887 16888 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 16889 + " if any IntentFilter from the " + size 16890 + " Activities needs verification ..."); 16891 16892 int count = 0; 16893 final String packageName = pkg.packageName; 16894 16895 synchronized (mPackages) { 16896 // If this is a new install and we see that we've already run verification for this 16897 // package, we have nothing to do: it means the state was restored from backup. 16898 if (!replacing) { 16899 IntentFilterVerificationInfo ivi = 16900 mSettings.getIntentFilterVerificationLPr(packageName); 16901 if (ivi != null) { 16902 if (DEBUG_DOMAIN_VERIFICATION) { 16903 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 16904 + ivi.getStatusString()); 16905 } 16906 return; 16907 } 16908 } 16909 16910 // If any filters need to be verified, then all need to be. 16911 boolean needToVerify = false; 16912 for (PackageParser.Activity a : pkg.activities) { 16913 for (ActivityIntentInfo filter : a.intents) { 16914 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 16915 if (DEBUG_DOMAIN_VERIFICATION) { 16916 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 16917 } 16918 needToVerify = true; 16919 break; 16920 } 16921 } 16922 } 16923 16924 if (needToVerify) { 16925 final int verificationId = mIntentFilterVerificationToken++; 16926 for (PackageParser.Activity a : pkg.activities) { 16927 for (ActivityIntentInfo filter : a.intents) { 16928 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 16929 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16930 "Verification needed for IntentFilter:" + filter.toString()); 16931 mIntentFilterVerifier.addOneIntentFilterVerification( 16932 verifierUid, userId, verificationId, filter, packageName); 16933 count++; 16934 } 16935 } 16936 } 16937 } 16938 } 16939 16940 if (count > 0) { 16941 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 16942 + " IntentFilter verification" + (count > 1 ? "s" : "") 16943 + " for userId:" + userId); 16944 mIntentFilterVerifier.startVerifications(userId); 16945 } else { 16946 if (DEBUG_DOMAIN_VERIFICATION) { 16947 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 16948 } 16949 } 16950 } 16951 16952 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 16953 final ComponentName cn = filter.activity.getComponentName(); 16954 final String packageName = cn.getPackageName(); 16955 16956 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 16957 packageName); 16958 if (ivi == null) { 16959 return true; 16960 } 16961 int status = ivi.getStatus(); 16962 switch (status) { 16963 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 16964 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 16965 return true; 16966 16967 default: 16968 // Nothing to do 16969 return false; 16970 } 16971 } 16972 16973 private static boolean isMultiArch(ApplicationInfo info) { 16974 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 16975 } 16976 16977 private static boolean isExternal(PackageParser.Package pkg) { 16978 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 16979 } 16980 16981 private static boolean isExternal(PackageSetting ps) { 16982 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 16983 } 16984 16985 private static boolean isEphemeral(PackageParser.Package pkg) { 16986 return pkg.applicationInfo.isInstantApp(); 16987 } 16988 16989 private static boolean isEphemeral(PackageSetting ps) { 16990 return ps.pkg != null && isEphemeral(ps.pkg); 16991 } 16992 16993 private static boolean isSystemApp(PackageParser.Package pkg) { 16994 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 16995 } 16996 16997 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 16998 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 16999 } 17000 17001 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17002 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17003 } 17004 17005 private static boolean isSystemApp(PackageSetting ps) { 17006 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17007 } 17008 17009 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17010 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17011 } 17012 17013 private int packageFlagsToInstallFlags(PackageSetting ps) { 17014 int installFlags = 0; 17015 if (isEphemeral(ps)) { 17016 installFlags |= PackageManager.INSTALL_EPHEMERAL; 17017 } 17018 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17019 // This existing package was an external ASEC install when we have 17020 // the external flag without a UUID 17021 installFlags |= PackageManager.INSTALL_EXTERNAL; 17022 } 17023 if (ps.isForwardLocked()) { 17024 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17025 } 17026 return installFlags; 17027 } 17028 17029 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 17030 if (isExternal(pkg)) { 17031 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17032 return StorageManager.UUID_PRIMARY_PHYSICAL; 17033 } else { 17034 return pkg.volumeUuid; 17035 } 17036 } else { 17037 return StorageManager.UUID_PRIVATE_INTERNAL; 17038 } 17039 } 17040 17041 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17042 if (isExternal(pkg)) { 17043 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17044 return mSettings.getExternalVersion(); 17045 } else { 17046 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17047 } 17048 } else { 17049 return mSettings.getInternalVersion(); 17050 } 17051 } 17052 17053 private void deleteTempPackageFiles() { 17054 final FilenameFilter filter = new FilenameFilter() { 17055 public boolean accept(File dir, String name) { 17056 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17057 } 17058 }; 17059 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 17060 file.delete(); 17061 } 17062 } 17063 17064 @Override 17065 public void deletePackageAsUser(String packageName, int versionCode, 17066 IPackageDeleteObserver observer, int userId, int flags) { 17067 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17068 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17069 } 17070 17071 @Override 17072 public void deletePackageVersioned(VersionedPackage versionedPackage, 17073 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17074 mContext.enforceCallingOrSelfPermission( 17075 android.Manifest.permission.DELETE_PACKAGES, null); 17076 Preconditions.checkNotNull(versionedPackage); 17077 Preconditions.checkNotNull(observer); 17078 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 17079 PackageManager.VERSION_CODE_HIGHEST, 17080 Integer.MAX_VALUE, "versionCode must be >= -1"); 17081 17082 final String packageName = versionedPackage.getPackageName(); 17083 // TODO: We will change version code to long, so in the new API it is long 17084 final int versionCode = (int) versionedPackage.getVersionCode(); 17085 final String internalPackageName; 17086 synchronized (mPackages) { 17087 // Normalize package name to handle renamed packages and static libs 17088 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 17089 // TODO: We will change version code to long, so in the new API it is long 17090 (int) versionedPackage.getVersionCode()); 17091 } 17092 17093 final int uid = Binder.getCallingUid(); 17094 if (!isOrphaned(internalPackageName) 17095 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17096 try { 17097 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17098 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17099 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17100 observer.onUserActionRequired(intent); 17101 } catch (RemoteException re) { 17102 } 17103 return; 17104 } 17105 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17106 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17107 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17108 mContext.enforceCallingOrSelfPermission( 17109 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17110 "deletePackage for user " + userId); 17111 } 17112 17113 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17114 try { 17115 observer.onPackageDeleted(packageName, 17116 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17117 } catch (RemoteException re) { 17118 } 17119 return; 17120 } 17121 17122 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17123 try { 17124 observer.onPackageDeleted(packageName, 17125 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17126 } catch (RemoteException re) { 17127 } 17128 return; 17129 } 17130 17131 if (DEBUG_REMOVE) { 17132 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17133 + " deleteAllUsers: " + deleteAllUsers + " version=" 17134 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17135 ? "VERSION_CODE_HIGHEST" : versionCode)); 17136 } 17137 // Queue up an async operation since the package deletion may take a little while. 17138 mHandler.post(new Runnable() { 17139 public void run() { 17140 mHandler.removeCallbacks(this); 17141 int returnCode; 17142 if (!deleteAllUsers) { 17143 returnCode = deletePackageX(internalPackageName, versionCode, 17144 userId, deleteFlags); 17145 } else { 17146 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17147 internalPackageName, users); 17148 // If nobody is blocking uninstall, proceed with delete for all users 17149 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17150 returnCode = deletePackageX(internalPackageName, versionCode, 17151 userId, deleteFlags); 17152 } else { 17153 // Otherwise uninstall individually for users with blockUninstalls=false 17154 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17155 for (int userId : users) { 17156 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17157 returnCode = deletePackageX(internalPackageName, versionCode, 17158 userId, userFlags); 17159 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17160 Slog.w(TAG, "Package delete failed for user " + userId 17161 + ", returnCode " + returnCode); 17162 } 17163 } 17164 } 17165 // The app has only been marked uninstalled for certain users. 17166 // We still need to report that delete was blocked 17167 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17168 } 17169 } 17170 try { 17171 observer.onPackageDeleted(packageName, returnCode, null); 17172 } catch (RemoteException e) { 17173 Log.i(TAG, "Observer no longer exists."); 17174 } //end catch 17175 } //end run 17176 }); 17177 } 17178 17179 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17180 if (pkg.staticSharedLibName != null) { 17181 return pkg.manifestPackageName; 17182 } 17183 return pkg.packageName; 17184 } 17185 17186 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 17187 // Handle renamed packages 17188 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17189 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17190 17191 // Is this a static library? 17192 SparseArray<SharedLibraryEntry> versionedLib = 17193 mStaticLibsByDeclaringPackage.get(packageName); 17194 if (versionedLib == null || versionedLib.size() <= 0) { 17195 return packageName; 17196 } 17197 17198 // Figure out which lib versions the caller can see 17199 SparseIntArray versionsCallerCanSee = null; 17200 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17201 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17202 && callingAppId != Process.ROOT_UID) { 17203 versionsCallerCanSee = new SparseIntArray(); 17204 String libName = versionedLib.valueAt(0).info.getName(); 17205 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17206 if (uidPackages != null) { 17207 for (String uidPackage : uidPackages) { 17208 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17209 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17210 if (libIdx >= 0) { 17211 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17212 versionsCallerCanSee.append(libVersion, libVersion); 17213 } 17214 } 17215 } 17216 } 17217 17218 // Caller can see nothing - done 17219 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17220 return packageName; 17221 } 17222 17223 // Find the version the caller can see and the app version code 17224 SharedLibraryEntry highestVersion = null; 17225 final int versionCount = versionedLib.size(); 17226 for (int i = 0; i < versionCount; i++) { 17227 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17228 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17229 libEntry.info.getVersion()) < 0) { 17230 continue; 17231 } 17232 // TODO: We will change version code to long, so in the new API it is long 17233 final int libVersionCode = (int) libEntry.info.getDeclaringPackage().getVersionCode(); 17234 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17235 if (libVersionCode == versionCode) { 17236 return libEntry.apk; 17237 } 17238 } else if (highestVersion == null) { 17239 highestVersion = libEntry; 17240 } else if (libVersionCode > highestVersion.info 17241 .getDeclaringPackage().getVersionCode()) { 17242 highestVersion = libEntry; 17243 } 17244 } 17245 17246 if (highestVersion != null) { 17247 return highestVersion.apk; 17248 } 17249 17250 return packageName; 17251 } 17252 17253 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17254 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17255 || callingUid == Process.SYSTEM_UID) { 17256 return true; 17257 } 17258 final int callingUserId = UserHandle.getUserId(callingUid); 17259 // If the caller installed the pkgName, then allow it to silently uninstall. 17260 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17261 return true; 17262 } 17263 17264 // Allow package verifier to silently uninstall. 17265 if (mRequiredVerifierPackage != null && 17266 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17267 return true; 17268 } 17269 17270 // Allow package uninstaller to silently uninstall. 17271 if (mRequiredUninstallerPackage != null && 17272 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17273 return true; 17274 } 17275 17276 // Allow storage manager to silently uninstall. 17277 if (mStorageManagerPackage != null && 17278 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17279 return true; 17280 } 17281 return false; 17282 } 17283 17284 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17285 int[] result = EMPTY_INT_ARRAY; 17286 for (int userId : userIds) { 17287 if (getBlockUninstallForUser(packageName, userId)) { 17288 result = ArrayUtils.appendInt(result, userId); 17289 } 17290 } 17291 return result; 17292 } 17293 17294 @Override 17295 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17296 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17297 } 17298 17299 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17300 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17301 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17302 try { 17303 if (dpm != null) { 17304 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17305 /* callingUserOnly =*/ false); 17306 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17307 : deviceOwnerComponentName.getPackageName(); 17308 // Does the package contains the device owner? 17309 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17310 // this check is probably not needed, since DO should be registered as a device 17311 // admin on some user too. (Original bug for this: b/17657954) 17312 if (packageName.equals(deviceOwnerPackageName)) { 17313 return true; 17314 } 17315 // Does it contain a device admin for any user? 17316 int[] users; 17317 if (userId == UserHandle.USER_ALL) { 17318 users = sUserManager.getUserIds(); 17319 } else { 17320 users = new int[]{userId}; 17321 } 17322 for (int i = 0; i < users.length; ++i) { 17323 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 17324 return true; 17325 } 17326 } 17327 } 17328 } catch (RemoteException e) { 17329 } 17330 return false; 17331 } 17332 17333 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17334 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17335 } 17336 17337 /** 17338 * This method is an internal method that could be get invoked either 17339 * to delete an installed package or to clean up a failed installation. 17340 * After deleting an installed package, a broadcast is sent to notify any 17341 * listeners that the package has been removed. For cleaning up a failed 17342 * installation, the broadcast is not necessary since the package's 17343 * installation wouldn't have sent the initial broadcast either 17344 * The key steps in deleting a package are 17345 * deleting the package information in internal structures like mPackages, 17346 * deleting the packages base directories through installd 17347 * updating mSettings to reflect current status 17348 * persisting settings for later use 17349 * sending a broadcast if necessary 17350 */ 17351 private int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 17352 final PackageRemovedInfo info = new PackageRemovedInfo(); 17353 final boolean res; 17354 17355 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17356 ? UserHandle.USER_ALL : userId; 17357 17358 if (isPackageDeviceAdmin(packageName, removeUser)) { 17359 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17360 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17361 } 17362 17363 PackageSetting uninstalledPs = null; 17364 17365 // for the uninstall-updates case and restricted profiles, remember the per- 17366 // user handle installed state 17367 int[] allUsers; 17368 synchronized (mPackages) { 17369 uninstalledPs = mSettings.mPackages.get(packageName); 17370 if (uninstalledPs == null) { 17371 Slog.w(TAG, "Not removing non-existent package " + packageName); 17372 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17373 } 17374 17375 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17376 && uninstalledPs.versionCode != versionCode) { 17377 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17378 + uninstalledPs.versionCode + " != " + versionCode); 17379 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17380 } 17381 17382 // Static shared libs can be declared by any package, so let us not 17383 // allow removing a package if it provides a lib others depend on. 17384 PackageParser.Package pkg = mPackages.get(packageName); 17385 if (pkg != null && pkg.staticSharedLibName != null) { 17386 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17387 pkg.staticSharedLibVersion); 17388 if (libEntry != null) { 17389 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17390 libEntry.info, 0, userId); 17391 if (!ArrayUtils.isEmpty(libClientPackages)) { 17392 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17393 + " hosting lib " + libEntry.info.getName() + " version " 17394 + libEntry.info.getVersion() + " used by " + libClientPackages); 17395 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17396 } 17397 } 17398 } 17399 17400 allUsers = sUserManager.getUserIds(); 17401 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17402 } 17403 17404 final int freezeUser; 17405 if (isUpdatedSystemApp(uninstalledPs) 17406 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17407 // We're downgrading a system app, which will apply to all users, so 17408 // freeze them all during the downgrade 17409 freezeUser = UserHandle.USER_ALL; 17410 } else { 17411 freezeUser = removeUser; 17412 } 17413 17414 synchronized (mInstallLock) { 17415 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17416 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17417 deleteFlags, "deletePackageX")) { 17418 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17419 deleteFlags | REMOVE_CHATTY, info, true, null); 17420 } 17421 synchronized (mPackages) { 17422 if (res) { 17423 mInstantAppRegistry.onPackageUninstalledLPw(uninstalledPs.pkg, 17424 info.removedUsers); 17425 } 17426 } 17427 } 17428 17429 if (res) { 17430 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17431 info.sendPackageRemovedBroadcasts(killApp); 17432 info.sendSystemPackageUpdatedBroadcasts(); 17433 info.sendSystemPackageAppearedBroadcasts(); 17434 } 17435 // Force a gc here. 17436 Runtime.getRuntime().gc(); 17437 // Delete the resources here after sending the broadcast to let 17438 // other processes clean up before deleting resources. 17439 if (info.args != null) { 17440 synchronized (mInstallLock) { 17441 info.args.doPostDeleteLI(true); 17442 } 17443 } 17444 17445 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17446 } 17447 17448 class PackageRemovedInfo { 17449 String removedPackage; 17450 int uid = -1; 17451 int removedAppId = -1; 17452 int[] origUsers; 17453 int[] removedUsers = null; 17454 SparseArray<Integer> installReasons; 17455 boolean isRemovedPackageSystemUpdate = false; 17456 boolean isUpdate; 17457 boolean dataRemoved; 17458 boolean removedForAllUsers; 17459 boolean isStaticSharedLib; 17460 // Clean up resources deleted packages. 17461 InstallArgs args = null; 17462 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17463 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17464 17465 void sendPackageRemovedBroadcasts(boolean killApp) { 17466 sendPackageRemovedBroadcastInternal(killApp); 17467 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17468 for (int i = 0; i < childCount; i++) { 17469 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17470 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17471 } 17472 } 17473 17474 void sendSystemPackageUpdatedBroadcasts() { 17475 if (isRemovedPackageSystemUpdate) { 17476 sendSystemPackageUpdatedBroadcastsInternal(); 17477 final int childCount = (removedChildPackages != null) 17478 ? removedChildPackages.size() : 0; 17479 for (int i = 0; i < childCount; i++) { 17480 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17481 if (childInfo.isRemovedPackageSystemUpdate) { 17482 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17483 } 17484 } 17485 } 17486 } 17487 17488 void sendSystemPackageAppearedBroadcasts() { 17489 final int packageCount = (appearedChildPackages != null) 17490 ? appearedChildPackages.size() : 0; 17491 for (int i = 0; i < packageCount; i++) { 17492 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17493 sendPackageAddedForNewUsers(installedInfo.name, true, 17494 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 17495 } 17496 } 17497 17498 private void sendSystemPackageUpdatedBroadcastsInternal() { 17499 Bundle extras = new Bundle(2); 17500 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17501 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17502 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 17503 extras, 0, null, null, null); 17504 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 17505 extras, 0, null, null, null); 17506 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 17507 null, 0, removedPackage, null, null); 17508 } 17509 17510 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17511 // Don't send static shared library removal broadcasts as these 17512 // libs are visible only the the apps that depend on them an one 17513 // cannot remove the library if it has a dependency. 17514 if (isStaticSharedLib) { 17515 return; 17516 } 17517 Bundle extras = new Bundle(2); 17518 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17519 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17520 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17521 if (isUpdate || isRemovedPackageSystemUpdate) { 17522 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17523 } 17524 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17525 if (removedPackage != null) { 17526 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 17527 extras, 0, null, null, removedUsers); 17528 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17529 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17530 removedPackage, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17531 null, null, removedUsers); 17532 } 17533 } 17534 if (removedAppId >= 0) { 17535 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 17536 removedUsers); 17537 } 17538 } 17539 } 17540 17541 /* 17542 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17543 * flag is not set, the data directory is removed as well. 17544 * make sure this flag is set for partially installed apps. If not its meaningless to 17545 * delete a partially installed application. 17546 */ 17547 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17548 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17549 String packageName = ps.name; 17550 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17551 // Retrieve object to delete permissions for shared user later on 17552 final PackageParser.Package deletedPkg; 17553 final PackageSetting deletedPs; 17554 // reader 17555 synchronized (mPackages) { 17556 deletedPkg = mPackages.get(packageName); 17557 deletedPs = mSettings.mPackages.get(packageName); 17558 if (outInfo != null) { 17559 outInfo.removedPackage = packageName; 17560 outInfo.isStaticSharedLib = deletedPkg != null 17561 && deletedPkg.staticSharedLibName != null; 17562 outInfo.removedUsers = deletedPs != null 17563 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 17564 : null; 17565 } 17566 } 17567 17568 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 17569 17570 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17571 final PackageParser.Package resolvedPkg; 17572 if (deletedPkg != null) { 17573 resolvedPkg = deletedPkg; 17574 } else { 17575 // We don't have a parsed package when it lives on an ejected 17576 // adopted storage device, so fake something together 17577 resolvedPkg = new PackageParser.Package(ps.name); 17578 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17579 } 17580 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17581 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17582 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17583 if (outInfo != null) { 17584 outInfo.dataRemoved = true; 17585 } 17586 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17587 } 17588 17589 int removedAppId = -1; 17590 17591 // writer 17592 synchronized (mPackages) { 17593 if (deletedPs != null) { 17594 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17595 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17596 clearDefaultBrowserIfNeeded(packageName); 17597 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17598 removedAppId = mSettings.removePackageLPw(packageName); 17599 if (outInfo != null) { 17600 outInfo.removedAppId = removedAppId; 17601 } 17602 updatePermissionsLPw(deletedPs.name, null, 0); 17603 if (deletedPs.sharedUser != null) { 17604 // Remove permissions associated with package. Since runtime 17605 // permissions are per user we have to kill the removed package 17606 // or packages running under the shared user of the removed 17607 // package if revoking the permissions requested only by the removed 17608 // package is successful and this causes a change in gids. 17609 for (int userId : UserManagerService.getInstance().getUserIds()) { 17610 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 17611 userId); 17612 if (userIdToKill == UserHandle.USER_ALL 17613 || userIdToKill >= UserHandle.USER_SYSTEM) { 17614 // If gids changed for this user, kill all affected packages. 17615 mHandler.post(new Runnable() { 17616 @Override 17617 public void run() { 17618 // This has to happen with no lock held. 17619 killApplication(deletedPs.name, deletedPs.appId, 17620 KILL_APP_REASON_GIDS_CHANGED); 17621 } 17622 }); 17623 break; 17624 } 17625 } 17626 } 17627 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 17628 } 17629 // make sure to preserve per-user disabled state if this removal was just 17630 // a downgrade of a system app to the factory package 17631 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 17632 if (DEBUG_REMOVE) { 17633 Slog.d(TAG, "Propagating install state across downgrade"); 17634 } 17635 for (int userId : allUserHandles) { 17636 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17637 if (DEBUG_REMOVE) { 17638 Slog.d(TAG, " user " + userId + " => " + installed); 17639 } 17640 ps.setInstalled(installed, userId); 17641 } 17642 } 17643 } 17644 // can downgrade to reader 17645 if (writeSettings) { 17646 // Save settings now 17647 mSettings.writeLPr(); 17648 } 17649 } 17650 if (removedAppId != -1) { 17651 // A user ID was deleted here. Go through all users and remove it 17652 // from KeyStore. 17653 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 17654 } 17655 } 17656 17657 static boolean locationIsPrivileged(File path) { 17658 try { 17659 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 17660 .getCanonicalPath(); 17661 return path.getCanonicalPath().startsWith(privilegedAppDir); 17662 } catch (IOException e) { 17663 Slog.e(TAG, "Unable to access code path " + path); 17664 } 17665 return false; 17666 } 17667 17668 /* 17669 * Tries to delete system package. 17670 */ 17671 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 17672 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 17673 boolean writeSettings) { 17674 if (deletedPs.parentPackageName != null) { 17675 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 17676 return false; 17677 } 17678 17679 final boolean applyUserRestrictions 17680 = (allUserHandles != null) && (outInfo.origUsers != null); 17681 final PackageSetting disabledPs; 17682 // Confirm if the system package has been updated 17683 // An updated system app can be deleted. This will also have to restore 17684 // the system pkg from system partition 17685 // reader 17686 synchronized (mPackages) { 17687 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 17688 } 17689 17690 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 17691 + " disabledPs=" + disabledPs); 17692 17693 if (disabledPs == null) { 17694 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 17695 return false; 17696 } else if (DEBUG_REMOVE) { 17697 Slog.d(TAG, "Deleting system pkg from data partition"); 17698 } 17699 17700 if (DEBUG_REMOVE) { 17701 if (applyUserRestrictions) { 17702 Slog.d(TAG, "Remembering install states:"); 17703 for (int userId : allUserHandles) { 17704 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 17705 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 17706 } 17707 } 17708 } 17709 17710 // Delete the updated package 17711 outInfo.isRemovedPackageSystemUpdate = true; 17712 if (outInfo.removedChildPackages != null) { 17713 final int childCount = (deletedPs.childPackageNames != null) 17714 ? deletedPs.childPackageNames.size() : 0; 17715 for (int i = 0; i < childCount; i++) { 17716 String childPackageName = deletedPs.childPackageNames.get(i); 17717 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 17718 .contains(childPackageName)) { 17719 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17720 childPackageName); 17721 if (childInfo != null) { 17722 childInfo.isRemovedPackageSystemUpdate = true; 17723 } 17724 } 17725 } 17726 } 17727 17728 if (disabledPs.versionCode < deletedPs.versionCode) { 17729 // Delete data for downgrades 17730 flags &= ~PackageManager.DELETE_KEEP_DATA; 17731 } else { 17732 // Preserve data by setting flag 17733 flags |= PackageManager.DELETE_KEEP_DATA; 17734 } 17735 17736 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 17737 outInfo, writeSettings, disabledPs.pkg); 17738 if (!ret) { 17739 return false; 17740 } 17741 17742 // writer 17743 synchronized (mPackages) { 17744 // Reinstate the old system package 17745 enableSystemPackageLPw(disabledPs.pkg); 17746 // Remove any native libraries from the upgraded package. 17747 removeNativeBinariesLI(deletedPs); 17748 } 17749 17750 // Install the system package 17751 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 17752 int parseFlags = mDefParseFlags 17753 | PackageParser.PARSE_MUST_BE_APK 17754 | PackageParser.PARSE_IS_SYSTEM 17755 | PackageParser.PARSE_IS_SYSTEM_DIR; 17756 if (locationIsPrivileged(disabledPs.codePath)) { 17757 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 17758 } 17759 17760 final PackageParser.Package newPkg; 17761 try { 17762 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 17763 0 /* currentTime */, null); 17764 } catch (PackageManagerException e) { 17765 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 17766 + e.getMessage()); 17767 return false; 17768 } 17769 17770 try { 17771 // update shared libraries for the newly re-installed system package 17772 updateSharedLibrariesLPr(newPkg, null); 17773 } catch (PackageManagerException e) { 17774 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17775 } 17776 17777 prepareAppDataAfterInstallLIF(newPkg); 17778 17779 // writer 17780 synchronized (mPackages) { 17781 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 17782 17783 // Propagate the permissions state as we do not want to drop on the floor 17784 // runtime permissions. The update permissions method below will take 17785 // care of removing obsolete permissions and grant install permissions. 17786 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 17787 updatePermissionsLPw(newPkg.packageName, newPkg, 17788 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 17789 17790 if (applyUserRestrictions) { 17791 if (DEBUG_REMOVE) { 17792 Slog.d(TAG, "Propagating install state across reinstall"); 17793 } 17794 for (int userId : allUserHandles) { 17795 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17796 if (DEBUG_REMOVE) { 17797 Slog.d(TAG, " user " + userId + " => " + installed); 17798 } 17799 ps.setInstalled(installed, userId); 17800 17801 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17802 } 17803 // Regardless of writeSettings we need to ensure that this restriction 17804 // state propagation is persisted 17805 mSettings.writeAllUsersPackageRestrictionsLPr(); 17806 } 17807 // can downgrade to reader here 17808 if (writeSettings) { 17809 mSettings.writeLPr(); 17810 } 17811 } 17812 return true; 17813 } 17814 17815 private boolean deleteInstalledPackageLIF(PackageSetting ps, 17816 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 17817 PackageRemovedInfo outInfo, boolean writeSettings, 17818 PackageParser.Package replacingPackage) { 17819 synchronized (mPackages) { 17820 if (outInfo != null) { 17821 outInfo.uid = ps.appId; 17822 } 17823 17824 if (outInfo != null && outInfo.removedChildPackages != null) { 17825 final int childCount = (ps.childPackageNames != null) 17826 ? ps.childPackageNames.size() : 0; 17827 for (int i = 0; i < childCount; i++) { 17828 String childPackageName = ps.childPackageNames.get(i); 17829 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 17830 if (childPs == null) { 17831 return false; 17832 } 17833 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17834 childPackageName); 17835 if (childInfo != null) { 17836 childInfo.uid = childPs.appId; 17837 } 17838 } 17839 } 17840 } 17841 17842 // Delete package data from internal structures and also remove data if flag is set 17843 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 17844 17845 // Delete the child packages data 17846 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 17847 for (int i = 0; i < childCount; i++) { 17848 PackageSetting childPs; 17849 synchronized (mPackages) { 17850 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 17851 } 17852 if (childPs != null) { 17853 PackageRemovedInfo childOutInfo = (outInfo != null 17854 && outInfo.removedChildPackages != null) 17855 ? outInfo.removedChildPackages.get(childPs.name) : null; 17856 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 17857 && (replacingPackage != null 17858 && !replacingPackage.hasChildPackage(childPs.name)) 17859 ? flags & ~DELETE_KEEP_DATA : flags; 17860 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 17861 deleteFlags, writeSettings); 17862 } 17863 } 17864 17865 // Delete application code and resources only for parent packages 17866 if (ps.parentPackageName == null) { 17867 if (deleteCodeAndResources && (outInfo != null)) { 17868 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 17869 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 17870 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 17871 } 17872 } 17873 17874 return true; 17875 } 17876 17877 @Override 17878 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 17879 int userId) { 17880 mContext.enforceCallingOrSelfPermission( 17881 android.Manifest.permission.DELETE_PACKAGES, null); 17882 synchronized (mPackages) { 17883 PackageSetting ps = mSettings.mPackages.get(packageName); 17884 if (ps == null) { 17885 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 17886 return false; 17887 } 17888 // Cannot block uninstall of static shared libs as they are 17889 // considered a part of the using app (emulating static linking). 17890 // Also static libs are installed always on internal storage. 17891 PackageParser.Package pkg = mPackages.get(packageName); 17892 if (pkg != null && pkg.staticSharedLibName != null) { 17893 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 17894 + " providing static shared library: " + pkg.staticSharedLibName); 17895 return false; 17896 } 17897 if (!ps.getInstalled(userId)) { 17898 // Can't block uninstall for an app that is not installed or enabled. 17899 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 17900 return false; 17901 } 17902 ps.setBlockUninstall(blockUninstall, userId); 17903 mSettings.writePackageRestrictionsLPr(userId); 17904 } 17905 return true; 17906 } 17907 17908 @Override 17909 public boolean getBlockUninstallForUser(String packageName, int userId) { 17910 synchronized (mPackages) { 17911 PackageSetting ps = mSettings.mPackages.get(packageName); 17912 if (ps == null) { 17913 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 17914 return false; 17915 } 17916 return ps.getBlockUninstall(userId); 17917 } 17918 } 17919 17920 @Override 17921 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 17922 int callingUid = Binder.getCallingUid(); 17923 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 17924 throw new SecurityException( 17925 "setRequiredForSystemUser can only be run by the system or root"); 17926 } 17927 synchronized (mPackages) { 17928 PackageSetting ps = mSettings.mPackages.get(packageName); 17929 if (ps == null) { 17930 Log.w(TAG, "Package doesn't exist: " + packageName); 17931 return false; 17932 } 17933 if (systemUserApp) { 17934 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 17935 } else { 17936 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 17937 } 17938 mSettings.writeLPr(); 17939 } 17940 return true; 17941 } 17942 17943 /* 17944 * This method handles package deletion in general 17945 */ 17946 private boolean deletePackageLIF(String packageName, UserHandle user, 17947 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 17948 PackageRemovedInfo outInfo, boolean writeSettings, 17949 PackageParser.Package replacingPackage) { 17950 if (packageName == null) { 17951 Slog.w(TAG, "Attempt to delete null packageName."); 17952 return false; 17953 } 17954 17955 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 17956 17957 PackageSetting ps; 17958 synchronized (mPackages) { 17959 ps = mSettings.mPackages.get(packageName); 17960 if (ps == null) { 17961 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 17962 return false; 17963 } 17964 17965 if (ps.parentPackageName != null && (!isSystemApp(ps) 17966 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 17967 if (DEBUG_REMOVE) { 17968 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 17969 + ((user == null) ? UserHandle.USER_ALL : user)); 17970 } 17971 final int removedUserId = (user != null) ? user.getIdentifier() 17972 : UserHandle.USER_ALL; 17973 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 17974 return false; 17975 } 17976 markPackageUninstalledForUserLPw(ps, user); 17977 scheduleWritePackageRestrictionsLocked(user); 17978 return true; 17979 } 17980 } 17981 17982 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 17983 && user.getIdentifier() != UserHandle.USER_ALL)) { 17984 // The caller is asking that the package only be deleted for a single 17985 // user. To do this, we just mark its uninstalled state and delete 17986 // its data. If this is a system app, we only allow this to happen if 17987 // they have set the special DELETE_SYSTEM_APP which requests different 17988 // semantics than normal for uninstalling system apps. 17989 markPackageUninstalledForUserLPw(ps, user); 17990 17991 if (!isSystemApp(ps)) { 17992 // Do not uninstall the APK if an app should be cached 17993 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 17994 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 17995 // Other user still have this package installed, so all 17996 // we need to do is clear this user's data and save that 17997 // it is uninstalled. 17998 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 17999 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18000 return false; 18001 } 18002 scheduleWritePackageRestrictionsLocked(user); 18003 return true; 18004 } else { 18005 // We need to set it back to 'installed' so the uninstall 18006 // broadcasts will be sent correctly. 18007 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18008 ps.setInstalled(true, user.getIdentifier()); 18009 } 18010 } else { 18011 // This is a system app, so we assume that the 18012 // other users still have this package installed, so all 18013 // we need to do is clear this user's data and save that 18014 // it is uninstalled. 18015 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18016 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18017 return false; 18018 } 18019 scheduleWritePackageRestrictionsLocked(user); 18020 return true; 18021 } 18022 } 18023 18024 // If we are deleting a composite package for all users, keep track 18025 // of result for each child. 18026 if (ps.childPackageNames != null && outInfo != null) { 18027 synchronized (mPackages) { 18028 final int childCount = ps.childPackageNames.size(); 18029 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18030 for (int i = 0; i < childCount; i++) { 18031 String childPackageName = ps.childPackageNames.get(i); 18032 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 18033 childInfo.removedPackage = childPackageName; 18034 outInfo.removedChildPackages.put(childPackageName, childInfo); 18035 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18036 if (childPs != null) { 18037 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18038 } 18039 } 18040 } 18041 } 18042 18043 boolean ret = false; 18044 if (isSystemApp(ps)) { 18045 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18046 // When an updated system application is deleted we delete the existing resources 18047 // as well and fall back to existing code in system partition 18048 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18049 } else { 18050 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18051 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18052 outInfo, writeSettings, replacingPackage); 18053 } 18054 18055 // Take a note whether we deleted the package for all users 18056 if (outInfo != null) { 18057 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18058 if (outInfo.removedChildPackages != null) { 18059 synchronized (mPackages) { 18060 final int childCount = outInfo.removedChildPackages.size(); 18061 for (int i = 0; i < childCount; i++) { 18062 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18063 if (childInfo != null) { 18064 childInfo.removedForAllUsers = mPackages.get( 18065 childInfo.removedPackage) == null; 18066 } 18067 } 18068 } 18069 } 18070 // If we uninstalled an update to a system app there may be some 18071 // child packages that appeared as they are declared in the system 18072 // app but were not declared in the update. 18073 if (isSystemApp(ps)) { 18074 synchronized (mPackages) { 18075 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18076 final int childCount = (updatedPs.childPackageNames != null) 18077 ? updatedPs.childPackageNames.size() : 0; 18078 for (int i = 0; i < childCount; i++) { 18079 String childPackageName = updatedPs.childPackageNames.get(i); 18080 if (outInfo.removedChildPackages == null 18081 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18082 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18083 if (childPs == null) { 18084 continue; 18085 } 18086 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18087 installRes.name = childPackageName; 18088 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18089 installRes.pkg = mPackages.get(childPackageName); 18090 installRes.uid = childPs.pkg.applicationInfo.uid; 18091 if (outInfo.appearedChildPackages == null) { 18092 outInfo.appearedChildPackages = new ArrayMap<>(); 18093 } 18094 outInfo.appearedChildPackages.put(childPackageName, installRes); 18095 } 18096 } 18097 } 18098 } 18099 } 18100 18101 return ret; 18102 } 18103 18104 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18105 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18106 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18107 for (int nextUserId : userIds) { 18108 if (DEBUG_REMOVE) { 18109 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18110 } 18111 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18112 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 18113 false /*hidden*/, false /*suspended*/, null, null, null, 18114 false /*blockUninstall*/, 18115 ps.readUserState(nextUserId).domainVerificationStatus, 0, 18116 PackageManager.INSTALL_REASON_UNKNOWN); 18117 } 18118 } 18119 18120 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18121 PackageRemovedInfo outInfo) { 18122 final PackageParser.Package pkg; 18123 synchronized (mPackages) { 18124 pkg = mPackages.get(ps.name); 18125 } 18126 18127 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18128 : new int[] {userId}; 18129 for (int nextUserId : userIds) { 18130 if (DEBUG_REMOVE) { 18131 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18132 + nextUserId); 18133 } 18134 18135 destroyAppDataLIF(pkg, userId, 18136 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18137 destroyAppProfilesLIF(pkg, userId); 18138 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18139 schedulePackageCleaning(ps.name, nextUserId, false); 18140 synchronized (mPackages) { 18141 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18142 scheduleWritePackageRestrictionsLocked(nextUserId); 18143 } 18144 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18145 } 18146 } 18147 18148 if (outInfo != null) { 18149 outInfo.removedPackage = ps.name; 18150 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18151 outInfo.removedAppId = ps.appId; 18152 outInfo.removedUsers = userIds; 18153 } 18154 18155 return true; 18156 } 18157 18158 private final class ClearStorageConnection implements ServiceConnection { 18159 IMediaContainerService mContainerService; 18160 18161 @Override 18162 public void onServiceConnected(ComponentName name, IBinder service) { 18163 synchronized (this) { 18164 mContainerService = IMediaContainerService.Stub 18165 .asInterface(Binder.allowBlocking(service)); 18166 notifyAll(); 18167 } 18168 } 18169 18170 @Override 18171 public void onServiceDisconnected(ComponentName name) { 18172 } 18173 } 18174 18175 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 18176 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 18177 18178 final boolean mounted; 18179 if (Environment.isExternalStorageEmulated()) { 18180 mounted = true; 18181 } else { 18182 final String status = Environment.getExternalStorageState(); 18183 18184 mounted = status.equals(Environment.MEDIA_MOUNTED) 18185 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 18186 } 18187 18188 if (!mounted) { 18189 return; 18190 } 18191 18192 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 18193 int[] users; 18194 if (userId == UserHandle.USER_ALL) { 18195 users = sUserManager.getUserIds(); 18196 } else { 18197 users = new int[] { userId }; 18198 } 18199 final ClearStorageConnection conn = new ClearStorageConnection(); 18200 if (mContext.bindServiceAsUser( 18201 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 18202 try { 18203 for (int curUser : users) { 18204 long timeout = SystemClock.uptimeMillis() + 5000; 18205 synchronized (conn) { 18206 long now; 18207 while (conn.mContainerService == null && 18208 (now = SystemClock.uptimeMillis()) < timeout) { 18209 try { 18210 conn.wait(timeout - now); 18211 } catch (InterruptedException e) { 18212 } 18213 } 18214 } 18215 if (conn.mContainerService == null) { 18216 return; 18217 } 18218 18219 final UserEnvironment userEnv = new UserEnvironment(curUser); 18220 clearDirectory(conn.mContainerService, 18221 userEnv.buildExternalStorageAppCacheDirs(packageName)); 18222 if (allData) { 18223 clearDirectory(conn.mContainerService, 18224 userEnv.buildExternalStorageAppDataDirs(packageName)); 18225 clearDirectory(conn.mContainerService, 18226 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18227 } 18228 } 18229 } finally { 18230 mContext.unbindService(conn); 18231 } 18232 } 18233 } 18234 18235 @Override 18236 public void clearApplicationProfileData(String packageName) { 18237 enforceSystemOrRoot("Only the system can clear all profile data"); 18238 18239 final PackageParser.Package pkg; 18240 synchronized (mPackages) { 18241 pkg = mPackages.get(packageName); 18242 } 18243 18244 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18245 synchronized (mInstallLock) { 18246 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18247 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 18248 true /* removeBaseMarker */); 18249 } 18250 } 18251 } 18252 18253 @Override 18254 public void clearApplicationUserData(final String packageName, 18255 final IPackageDataObserver observer, final int userId) { 18256 mContext.enforceCallingOrSelfPermission( 18257 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18258 18259 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18260 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18261 18262 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18263 throw new SecurityException("Cannot clear data for a protected package: " 18264 + packageName); 18265 } 18266 // Queue up an async operation since the package deletion may take a little while. 18267 mHandler.post(new Runnable() { 18268 public void run() { 18269 mHandler.removeCallbacks(this); 18270 final boolean succeeded; 18271 try (PackageFreezer freezer = freezePackage(packageName, 18272 "clearApplicationUserData")) { 18273 synchronized (mInstallLock) { 18274 succeeded = clearApplicationUserDataLIF(packageName, userId); 18275 } 18276 clearExternalStorageDataSync(packageName, userId, true); 18277 synchronized (mPackages) { 18278 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 18279 packageName, userId); 18280 } 18281 } 18282 if (succeeded) { 18283 // invoke DeviceStorageMonitor's update method to clear any notifications 18284 DeviceStorageMonitorInternal dsm = LocalServices 18285 .getService(DeviceStorageMonitorInternal.class); 18286 if (dsm != null) { 18287 dsm.checkMemory(); 18288 } 18289 } 18290 if(observer != null) { 18291 try { 18292 observer.onRemoveCompleted(packageName, succeeded); 18293 } catch (RemoteException e) { 18294 Log.i(TAG, "Observer no longer exists."); 18295 } 18296 } //end if observer 18297 } //end run 18298 }); 18299 } 18300 18301 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18302 if (packageName == null) { 18303 Slog.w(TAG, "Attempt to delete null packageName."); 18304 return false; 18305 } 18306 18307 // Try finding details about the requested package 18308 PackageParser.Package pkg; 18309 synchronized (mPackages) { 18310 pkg = mPackages.get(packageName); 18311 if (pkg == null) { 18312 final PackageSetting ps = mSettings.mPackages.get(packageName); 18313 if (ps != null) { 18314 pkg = ps.pkg; 18315 } 18316 } 18317 18318 if (pkg == null) { 18319 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18320 return false; 18321 } 18322 18323 PackageSetting ps = (PackageSetting) pkg.mExtras; 18324 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18325 } 18326 18327 clearAppDataLIF(pkg, userId, 18328 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18329 18330 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18331 removeKeystoreDataIfNeeded(userId, appId); 18332 18333 UserManagerInternal umInternal = getUserManagerInternal(); 18334 final int flags; 18335 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18336 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18337 } else if (umInternal.isUserRunning(userId)) { 18338 flags = StorageManager.FLAG_STORAGE_DE; 18339 } else { 18340 flags = 0; 18341 } 18342 prepareAppDataContentsLIF(pkg, userId, flags); 18343 18344 return true; 18345 } 18346 18347 /** 18348 * Reverts user permission state changes (permissions and flags) in 18349 * all packages for a given user. 18350 * 18351 * @param userId The device user for which to do a reset. 18352 */ 18353 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18354 final int packageCount = mPackages.size(); 18355 for (int i = 0; i < packageCount; i++) { 18356 PackageParser.Package pkg = mPackages.valueAt(i); 18357 PackageSetting ps = (PackageSetting) pkg.mExtras; 18358 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18359 } 18360 } 18361 18362 private void resetNetworkPolicies(int userId) { 18363 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18364 } 18365 18366 /** 18367 * Reverts user permission state changes (permissions and flags). 18368 * 18369 * @param ps The package for which to reset. 18370 * @param userId The device user for which to do a reset. 18371 */ 18372 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18373 final PackageSetting ps, final int userId) { 18374 if (ps.pkg == null) { 18375 return; 18376 } 18377 18378 // These are flags that can change base on user actions. 18379 final int userSettableMask = FLAG_PERMISSION_USER_SET 18380 | FLAG_PERMISSION_USER_FIXED 18381 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18382 | FLAG_PERMISSION_REVIEW_REQUIRED; 18383 18384 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18385 | FLAG_PERMISSION_POLICY_FIXED; 18386 18387 boolean writeInstallPermissions = false; 18388 boolean writeRuntimePermissions = false; 18389 18390 final int permissionCount = ps.pkg.requestedPermissions.size(); 18391 for (int i = 0; i < permissionCount; i++) { 18392 String permission = ps.pkg.requestedPermissions.get(i); 18393 18394 BasePermission bp = mSettings.mPermissions.get(permission); 18395 if (bp == null) { 18396 continue; 18397 } 18398 18399 // If shared user we just reset the state to which only this app contributed. 18400 if (ps.sharedUser != null) { 18401 boolean used = false; 18402 final int packageCount = ps.sharedUser.packages.size(); 18403 for (int j = 0; j < packageCount; j++) { 18404 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18405 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18406 && pkg.pkg.requestedPermissions.contains(permission)) { 18407 used = true; 18408 break; 18409 } 18410 } 18411 if (used) { 18412 continue; 18413 } 18414 } 18415 18416 PermissionsState permissionsState = ps.getPermissionsState(); 18417 18418 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 18419 18420 // Always clear the user settable flags. 18421 final boolean hasInstallState = permissionsState.getInstallPermissionState( 18422 bp.name) != null; 18423 // If permission review is enabled and this is a legacy app, mark the 18424 // permission as requiring a review as this is the initial state. 18425 int flags = 0; 18426 if (mPermissionReviewRequired 18427 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18428 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18429 } 18430 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18431 if (hasInstallState) { 18432 writeInstallPermissions = true; 18433 } else { 18434 writeRuntimePermissions = true; 18435 } 18436 } 18437 18438 // Below is only runtime permission handling. 18439 if (!bp.isRuntime()) { 18440 continue; 18441 } 18442 18443 // Never clobber system or policy. 18444 if ((oldFlags & policyOrSystemFlags) != 0) { 18445 continue; 18446 } 18447 18448 // If this permission was granted by default, make sure it is. 18449 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18450 if (permissionsState.grantRuntimePermission(bp, userId) 18451 != PERMISSION_OPERATION_FAILURE) { 18452 writeRuntimePermissions = true; 18453 } 18454 // If permission review is enabled the permissions for a legacy apps 18455 // are represented as constantly granted runtime ones, so don't revoke. 18456 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18457 // Otherwise, reset the permission. 18458 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18459 switch (revokeResult) { 18460 case PERMISSION_OPERATION_SUCCESS: 18461 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18462 writeRuntimePermissions = true; 18463 final int appId = ps.appId; 18464 mHandler.post(new Runnable() { 18465 @Override 18466 public void run() { 18467 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18468 } 18469 }); 18470 } break; 18471 } 18472 } 18473 } 18474 18475 // Synchronously write as we are taking permissions away. 18476 if (writeRuntimePermissions) { 18477 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18478 } 18479 18480 // Synchronously write as we are taking permissions away. 18481 if (writeInstallPermissions) { 18482 mSettings.writeLPr(); 18483 } 18484 } 18485 18486 /** 18487 * Remove entries from the keystore daemon. Will only remove it if the 18488 * {@code appId} is valid. 18489 */ 18490 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18491 if (appId < 0) { 18492 return; 18493 } 18494 18495 final KeyStore keyStore = KeyStore.getInstance(); 18496 if (keyStore != null) { 18497 if (userId == UserHandle.USER_ALL) { 18498 for (final int individual : sUserManager.getUserIds()) { 18499 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18500 } 18501 } else { 18502 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18503 } 18504 } else { 18505 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18506 } 18507 } 18508 18509 @Override 18510 public void deleteApplicationCacheFiles(final String packageName, 18511 final IPackageDataObserver observer) { 18512 final int userId = UserHandle.getCallingUserId(); 18513 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18514 } 18515 18516 @Override 18517 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18518 final IPackageDataObserver observer) { 18519 mContext.enforceCallingOrSelfPermission( 18520 android.Manifest.permission.DELETE_CACHE_FILES, null); 18521 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18522 /* requireFullPermission= */ true, /* checkShell= */ false, 18523 "delete application cache files"); 18524 18525 final PackageParser.Package pkg; 18526 synchronized (mPackages) { 18527 pkg = mPackages.get(packageName); 18528 } 18529 18530 // Queue up an async operation since the package deletion may take a little while. 18531 mHandler.post(new Runnable() { 18532 public void run() { 18533 synchronized (mInstallLock) { 18534 final int flags = StorageManager.FLAG_STORAGE_DE 18535 | StorageManager.FLAG_STORAGE_CE; 18536 // We're only clearing cache files, so we don't care if the 18537 // app is unfrozen and still able to run 18538 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18539 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18540 } 18541 clearExternalStorageDataSync(packageName, userId, false); 18542 if (observer != null) { 18543 try { 18544 observer.onRemoveCompleted(packageName, true); 18545 } catch (RemoteException e) { 18546 Log.i(TAG, "Observer no longer exists."); 18547 } 18548 } 18549 } 18550 }); 18551 } 18552 18553 @Override 18554 public void getPackageSizeInfo(final String packageName, int userHandle, 18555 final IPackageStatsObserver observer) { 18556 mContext.enforceCallingOrSelfPermission( 18557 android.Manifest.permission.GET_PACKAGE_SIZE, null); 18558 if (packageName == null) { 18559 throw new IllegalArgumentException("Attempt to get size of null packageName"); 18560 } 18561 18562 PackageStats stats = new PackageStats(packageName, userHandle); 18563 18564 /* 18565 * Queue up an async operation since the package measurement may take a 18566 * little while. 18567 */ 18568 Message msg = mHandler.obtainMessage(INIT_COPY); 18569 msg.obj = new MeasureParams(stats, observer); 18570 mHandler.sendMessage(msg); 18571 } 18572 18573 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18574 final PackageSetting ps; 18575 synchronized (mPackages) { 18576 ps = mSettings.mPackages.get(packageName); 18577 if (ps == null) { 18578 Slog.w(TAG, "Failed to find settings for " + packageName); 18579 return false; 18580 } 18581 } 18582 18583 final String[] packageNames = { packageName }; 18584 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18585 final String[] codePaths = { ps.codePathString }; 18586 18587 try { 18588 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18589 ps.appId, ceDataInodes, codePaths, stats); 18590 18591 // For now, ignore code size of packages on system partition 18592 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 18593 stats.codeSize = 0; 18594 } 18595 18596 // External clients expect these to be tracked separately 18597 stats.dataSize -= stats.cacheSize; 18598 18599 } catch (InstallerException e) { 18600 Slog.w(TAG, String.valueOf(e)); 18601 return false; 18602 } 18603 18604 return true; 18605 } 18606 18607 private int getUidTargetSdkVersionLockedLPr(int uid) { 18608 Object obj = mSettings.getUserIdLPr(uid); 18609 if (obj instanceof SharedUserSetting) { 18610 final SharedUserSetting sus = (SharedUserSetting) obj; 18611 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 18612 final Iterator<PackageSetting> it = sus.packages.iterator(); 18613 while (it.hasNext()) { 18614 final PackageSetting ps = it.next(); 18615 if (ps.pkg != null) { 18616 int v = ps.pkg.applicationInfo.targetSdkVersion; 18617 if (v < vers) vers = v; 18618 } 18619 } 18620 return vers; 18621 } else if (obj instanceof PackageSetting) { 18622 final PackageSetting ps = (PackageSetting) obj; 18623 if (ps.pkg != null) { 18624 return ps.pkg.applicationInfo.targetSdkVersion; 18625 } 18626 } 18627 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18628 } 18629 18630 @Override 18631 public void addPreferredActivity(IntentFilter filter, int match, 18632 ComponentName[] set, ComponentName activity, int userId) { 18633 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18634 "Adding preferred"); 18635 } 18636 18637 private void addPreferredActivityInternal(IntentFilter filter, int match, 18638 ComponentName[] set, ComponentName activity, boolean always, int userId, 18639 String opname) { 18640 // writer 18641 int callingUid = Binder.getCallingUid(); 18642 enforceCrossUserPermission(callingUid, userId, 18643 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 18644 if (filter.countActions() == 0) { 18645 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18646 return; 18647 } 18648 synchronized (mPackages) { 18649 if (mContext.checkCallingOrSelfPermission( 18650 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18651 != PackageManager.PERMISSION_GRANTED) { 18652 if (getUidTargetSdkVersionLockedLPr(callingUid) 18653 < Build.VERSION_CODES.FROYO) { 18654 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 18655 + callingUid); 18656 return; 18657 } 18658 mContext.enforceCallingOrSelfPermission( 18659 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18660 } 18661 18662 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 18663 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 18664 + userId + ":"); 18665 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18666 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 18667 scheduleWritePackageRestrictionsLocked(userId); 18668 postPreferredActivityChangedBroadcast(userId); 18669 } 18670 } 18671 18672 private void postPreferredActivityChangedBroadcast(int userId) { 18673 mHandler.post(() -> { 18674 final IActivityManager am = ActivityManager.getService(); 18675 if (am == null) { 18676 return; 18677 } 18678 18679 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 18680 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18681 try { 18682 am.broadcastIntent(null, intent, null, null, 18683 0, null, null, null, android.app.AppOpsManager.OP_NONE, 18684 null, false, false, userId); 18685 } catch (RemoteException e) { 18686 } 18687 }); 18688 } 18689 18690 @Override 18691 public void replacePreferredActivity(IntentFilter filter, int match, 18692 ComponentName[] set, ComponentName activity, int userId) { 18693 if (filter.countActions() != 1) { 18694 throw new IllegalArgumentException( 18695 "replacePreferredActivity expects filter to have only 1 action."); 18696 } 18697 if (filter.countDataAuthorities() != 0 18698 || filter.countDataPaths() != 0 18699 || filter.countDataSchemes() > 1 18700 || filter.countDataTypes() != 0) { 18701 throw new IllegalArgumentException( 18702 "replacePreferredActivity expects filter to have no data authorities, " + 18703 "paths, or types; and at most one scheme."); 18704 } 18705 18706 final int callingUid = Binder.getCallingUid(); 18707 enforceCrossUserPermission(callingUid, userId, 18708 true /* requireFullPermission */, false /* checkShell */, 18709 "replace preferred activity"); 18710 synchronized (mPackages) { 18711 if (mContext.checkCallingOrSelfPermission( 18712 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18713 != PackageManager.PERMISSION_GRANTED) { 18714 if (getUidTargetSdkVersionLockedLPr(callingUid) 18715 < Build.VERSION_CODES.FROYO) { 18716 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 18717 + Binder.getCallingUid()); 18718 return; 18719 } 18720 mContext.enforceCallingOrSelfPermission( 18721 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18722 } 18723 18724 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18725 if (pir != null) { 18726 // Get all of the existing entries that exactly match this filter. 18727 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 18728 if (existing != null && existing.size() == 1) { 18729 PreferredActivity cur = existing.get(0); 18730 if (DEBUG_PREFERRED) { 18731 Slog.i(TAG, "Checking replace of preferred:"); 18732 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18733 if (!cur.mPref.mAlways) { 18734 Slog.i(TAG, " -- CUR; not mAlways!"); 18735 } else { 18736 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 18737 Slog.i(TAG, " -- CUR: mSet=" 18738 + Arrays.toString(cur.mPref.mSetComponents)); 18739 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 18740 Slog.i(TAG, " -- NEW: mMatch=" 18741 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 18742 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 18743 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 18744 } 18745 } 18746 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 18747 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 18748 && cur.mPref.sameSet(set)) { 18749 // Setting the preferred activity to what it happens to be already 18750 if (DEBUG_PREFERRED) { 18751 Slog.i(TAG, "Replacing with same preferred activity " 18752 + cur.mPref.mShortComponent + " for user " 18753 + userId + ":"); 18754 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18755 } 18756 return; 18757 } 18758 } 18759 18760 if (existing != null) { 18761 if (DEBUG_PREFERRED) { 18762 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 18763 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18764 } 18765 for (int i = 0; i < existing.size(); i++) { 18766 PreferredActivity pa = existing.get(i); 18767 if (DEBUG_PREFERRED) { 18768 Slog.i(TAG, "Removing existing preferred activity " 18769 + pa.mPref.mComponent + ":"); 18770 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 18771 } 18772 pir.removeFilter(pa); 18773 } 18774 } 18775 } 18776 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18777 "Replacing preferred"); 18778 } 18779 } 18780 18781 @Override 18782 public void clearPackagePreferredActivities(String packageName) { 18783 final int uid = Binder.getCallingUid(); 18784 // writer 18785 synchronized (mPackages) { 18786 PackageParser.Package pkg = mPackages.get(packageName); 18787 if (pkg == null || pkg.applicationInfo.uid != uid) { 18788 if (mContext.checkCallingOrSelfPermission( 18789 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18790 != PackageManager.PERMISSION_GRANTED) { 18791 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 18792 < Build.VERSION_CODES.FROYO) { 18793 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 18794 + Binder.getCallingUid()); 18795 return; 18796 } 18797 mContext.enforceCallingOrSelfPermission( 18798 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18799 } 18800 } 18801 18802 int user = UserHandle.getCallingUserId(); 18803 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 18804 scheduleWritePackageRestrictionsLocked(user); 18805 } 18806 } 18807 } 18808 18809 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18810 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 18811 ArrayList<PreferredActivity> removed = null; 18812 boolean changed = false; 18813 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18814 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 18815 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18816 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 18817 continue; 18818 } 18819 Iterator<PreferredActivity> it = pir.filterIterator(); 18820 while (it.hasNext()) { 18821 PreferredActivity pa = it.next(); 18822 // Mark entry for removal only if it matches the package name 18823 // and the entry is of type "always". 18824 if (packageName == null || 18825 (pa.mPref.mComponent.getPackageName().equals(packageName) 18826 && pa.mPref.mAlways)) { 18827 if (removed == null) { 18828 removed = new ArrayList<PreferredActivity>(); 18829 } 18830 removed.add(pa); 18831 } 18832 } 18833 if (removed != null) { 18834 for (int j=0; j<removed.size(); j++) { 18835 PreferredActivity pa = removed.get(j); 18836 pir.removeFilter(pa); 18837 } 18838 changed = true; 18839 } 18840 } 18841 if (changed) { 18842 postPreferredActivityChangedBroadcast(userId); 18843 } 18844 return changed; 18845 } 18846 18847 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18848 private void clearIntentFilterVerificationsLPw(int userId) { 18849 final int packageCount = mPackages.size(); 18850 for (int i = 0; i < packageCount; i++) { 18851 PackageParser.Package pkg = mPackages.valueAt(i); 18852 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 18853 } 18854 } 18855 18856 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18857 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 18858 if (userId == UserHandle.USER_ALL) { 18859 if (mSettings.removeIntentFilterVerificationLPw(packageName, 18860 sUserManager.getUserIds())) { 18861 for (int oneUserId : sUserManager.getUserIds()) { 18862 scheduleWritePackageRestrictionsLocked(oneUserId); 18863 } 18864 } 18865 } else { 18866 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 18867 scheduleWritePackageRestrictionsLocked(userId); 18868 } 18869 } 18870 } 18871 18872 void clearDefaultBrowserIfNeeded(String packageName) { 18873 for (int oneUserId : sUserManager.getUserIds()) { 18874 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 18875 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 18876 if (packageName.equals(defaultBrowserPackageName)) { 18877 setDefaultBrowserPackageName(null, oneUserId); 18878 } 18879 } 18880 } 18881 18882 @Override 18883 public void resetApplicationPreferences(int userId) { 18884 mContext.enforceCallingOrSelfPermission( 18885 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18886 final long identity = Binder.clearCallingIdentity(); 18887 // writer 18888 try { 18889 synchronized (mPackages) { 18890 clearPackagePreferredActivitiesLPw(null, userId); 18891 mSettings.applyDefaultPreferredAppsLPw(this, userId); 18892 // TODO: We have to reset the default SMS and Phone. This requires 18893 // significant refactoring to keep all default apps in the package 18894 // manager (cleaner but more work) or have the services provide 18895 // callbacks to the package manager to request a default app reset. 18896 applyFactoryDefaultBrowserLPw(userId); 18897 clearIntentFilterVerificationsLPw(userId); 18898 primeDomainVerificationsLPw(userId); 18899 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 18900 scheduleWritePackageRestrictionsLocked(userId); 18901 } 18902 resetNetworkPolicies(userId); 18903 } finally { 18904 Binder.restoreCallingIdentity(identity); 18905 } 18906 } 18907 18908 @Override 18909 public int getPreferredActivities(List<IntentFilter> outFilters, 18910 List<ComponentName> outActivities, String packageName) { 18911 18912 int num = 0; 18913 final int userId = UserHandle.getCallingUserId(); 18914 // reader 18915 synchronized (mPackages) { 18916 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18917 if (pir != null) { 18918 final Iterator<PreferredActivity> it = pir.filterIterator(); 18919 while (it.hasNext()) { 18920 final PreferredActivity pa = it.next(); 18921 if (packageName == null 18922 || (pa.mPref.mComponent.getPackageName().equals(packageName) 18923 && pa.mPref.mAlways)) { 18924 if (outFilters != null) { 18925 outFilters.add(new IntentFilter(pa)); 18926 } 18927 if (outActivities != null) { 18928 outActivities.add(pa.mPref.mComponent); 18929 } 18930 } 18931 } 18932 } 18933 } 18934 18935 return num; 18936 } 18937 18938 @Override 18939 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 18940 int userId) { 18941 int callingUid = Binder.getCallingUid(); 18942 if (callingUid != Process.SYSTEM_UID) { 18943 throw new SecurityException( 18944 "addPersistentPreferredActivity can only be run by the system"); 18945 } 18946 if (filter.countActions() == 0) { 18947 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18948 return; 18949 } 18950 synchronized (mPackages) { 18951 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 18952 ":"); 18953 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18954 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 18955 new PersistentPreferredActivity(filter, activity)); 18956 scheduleWritePackageRestrictionsLocked(userId); 18957 postPreferredActivityChangedBroadcast(userId); 18958 } 18959 } 18960 18961 @Override 18962 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 18963 int callingUid = Binder.getCallingUid(); 18964 if (callingUid != Process.SYSTEM_UID) { 18965 throw new SecurityException( 18966 "clearPackagePersistentPreferredActivities can only be run by the system"); 18967 } 18968 ArrayList<PersistentPreferredActivity> removed = null; 18969 boolean changed = false; 18970 synchronized (mPackages) { 18971 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 18972 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 18973 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 18974 .valueAt(i); 18975 if (userId != thisUserId) { 18976 continue; 18977 } 18978 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 18979 while (it.hasNext()) { 18980 PersistentPreferredActivity ppa = it.next(); 18981 // Mark entry for removal only if it matches the package name. 18982 if (ppa.mComponent.getPackageName().equals(packageName)) { 18983 if (removed == null) { 18984 removed = new ArrayList<PersistentPreferredActivity>(); 18985 } 18986 removed.add(ppa); 18987 } 18988 } 18989 if (removed != null) { 18990 for (int j=0; j<removed.size(); j++) { 18991 PersistentPreferredActivity ppa = removed.get(j); 18992 ppir.removeFilter(ppa); 18993 } 18994 changed = true; 18995 } 18996 } 18997 18998 if (changed) { 18999 scheduleWritePackageRestrictionsLocked(userId); 19000 postPreferredActivityChangedBroadcast(userId); 19001 } 19002 } 19003 } 19004 19005 /** 19006 * Common machinery for picking apart a restored XML blob and passing 19007 * it to a caller-supplied functor to be applied to the running system. 19008 */ 19009 private void restoreFromXml(XmlPullParser parser, int userId, 19010 String expectedStartTag, BlobXmlRestorer functor) 19011 throws IOException, XmlPullParserException { 19012 int type; 19013 while ((type = parser.next()) != XmlPullParser.START_TAG 19014 && type != XmlPullParser.END_DOCUMENT) { 19015 } 19016 if (type != XmlPullParser.START_TAG) { 19017 // oops didn't find a start tag?! 19018 if (DEBUG_BACKUP) { 19019 Slog.e(TAG, "Didn't find start tag during restore"); 19020 } 19021 return; 19022 } 19023Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 19024 // this is supposed to be TAG_PREFERRED_BACKUP 19025 if (!expectedStartTag.equals(parser.getName())) { 19026 if (DEBUG_BACKUP) { 19027 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 19028 } 19029 return; 19030 } 19031 19032 // skip interfering stuff, then we're aligned with the backing implementation 19033 while ((type = parser.next()) == XmlPullParser.TEXT) { } 19034Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 19035 functor.apply(parser, userId); 19036 } 19037 19038 private interface BlobXmlRestorer { 19039 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 19040 } 19041 19042 /** 19043 * Non-Binder method, support for the backup/restore mechanism: write the 19044 * full set of preferred activities in its canonical XML format. Returns the 19045 * XML output as a byte array, or null if there is none. 19046 */ 19047 @Override 19048 public byte[] getPreferredActivityBackup(int userId) { 19049 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19050 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 19051 } 19052 19053 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19054 try { 19055 final XmlSerializer serializer = new FastXmlSerializer(); 19056 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19057 serializer.startDocument(null, true); 19058 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19059 19060 synchronized (mPackages) { 19061 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19062 } 19063 19064 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19065 serializer.endDocument(); 19066 serializer.flush(); 19067 } catch (Exception e) { 19068 if (DEBUG_BACKUP) { 19069 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19070 } 19071 return null; 19072 } 19073 19074 return dataStream.toByteArray(); 19075 } 19076 19077 @Override 19078 public void restorePreferredActivities(byte[] backup, int userId) { 19079 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19080 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19081 } 19082 19083 try { 19084 final XmlPullParser parser = Xml.newPullParser(); 19085 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19086 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19087 new BlobXmlRestorer() { 19088 @Override 19089 public void apply(XmlPullParser parser, int userId) 19090 throws XmlPullParserException, IOException { 19091 synchronized (mPackages) { 19092 mSettings.readPreferredActivitiesLPw(parser, userId); 19093 } 19094 } 19095 } ); 19096 } catch (Exception e) { 19097 if (DEBUG_BACKUP) { 19098 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19099 } 19100 } 19101 } 19102 19103 /** 19104 * Non-Binder method, support for the backup/restore mechanism: write the 19105 * default browser (etc) settings in its canonical XML format. Returns the default 19106 * browser XML representation as a byte array, or null if there is none. 19107 */ 19108 @Override 19109 public byte[] getDefaultAppsBackup(int userId) { 19110 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19111 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19112 } 19113 19114 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19115 try { 19116 final XmlSerializer serializer = new FastXmlSerializer(); 19117 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19118 serializer.startDocument(null, true); 19119 serializer.startTag(null, TAG_DEFAULT_APPS); 19120 19121 synchronized (mPackages) { 19122 mSettings.writeDefaultAppsLPr(serializer, userId); 19123 } 19124 19125 serializer.endTag(null, TAG_DEFAULT_APPS); 19126 serializer.endDocument(); 19127 serializer.flush(); 19128 } catch (Exception e) { 19129 if (DEBUG_BACKUP) { 19130 Slog.e(TAG, "Unable to write default apps for backup", e); 19131 } 19132 return null; 19133 } 19134 19135 return dataStream.toByteArray(); 19136 } 19137 19138 @Override 19139 public void restoreDefaultApps(byte[] backup, int userId) { 19140 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19141 throw new SecurityException("Only the system may call restoreDefaultApps()"); 19142 } 19143 19144 try { 19145 final XmlPullParser parser = Xml.newPullParser(); 19146 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19147 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 19148 new BlobXmlRestorer() { 19149 @Override 19150 public void apply(XmlPullParser parser, int userId) 19151 throws XmlPullParserException, IOException { 19152 synchronized (mPackages) { 19153 mSettings.readDefaultAppsLPw(parser, userId); 19154 } 19155 } 19156 } ); 19157 } catch (Exception e) { 19158 if (DEBUG_BACKUP) { 19159 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 19160 } 19161 } 19162 } 19163 19164 @Override 19165 public byte[] getIntentFilterVerificationBackup(int userId) { 19166 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19167 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 19168 } 19169 19170 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19171 try { 19172 final XmlSerializer serializer = new FastXmlSerializer(); 19173 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19174 serializer.startDocument(null, true); 19175 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 19176 19177 synchronized (mPackages) { 19178 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 19179 } 19180 19181 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 19182 serializer.endDocument(); 19183 serializer.flush(); 19184 } catch (Exception e) { 19185 if (DEBUG_BACKUP) { 19186 Slog.e(TAG, "Unable to write default apps for backup", e); 19187 } 19188 return null; 19189 } 19190 19191 return dataStream.toByteArray(); 19192 } 19193 19194 @Override 19195 public void restoreIntentFilterVerification(byte[] backup, int userId) { 19196 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19197 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19198 } 19199 19200 try { 19201 final XmlPullParser parser = Xml.newPullParser(); 19202 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19203 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 19204 new BlobXmlRestorer() { 19205 @Override 19206 public void apply(XmlPullParser parser, int userId) 19207 throws XmlPullParserException, IOException { 19208 synchronized (mPackages) { 19209 mSettings.readAllDomainVerificationsLPr(parser, userId); 19210 mSettings.writeLPr(); 19211 } 19212 } 19213 } ); 19214 } catch (Exception e) { 19215 if (DEBUG_BACKUP) { 19216 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19217 } 19218 } 19219 } 19220 19221 @Override 19222 public byte[] getPermissionGrantBackup(int userId) { 19223 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19224 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19225 } 19226 19227 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19228 try { 19229 final XmlSerializer serializer = new FastXmlSerializer(); 19230 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19231 serializer.startDocument(null, true); 19232 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19233 19234 synchronized (mPackages) { 19235 serializeRuntimePermissionGrantsLPr(serializer, userId); 19236 } 19237 19238 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19239 serializer.endDocument(); 19240 serializer.flush(); 19241 } catch (Exception e) { 19242 if (DEBUG_BACKUP) { 19243 Slog.e(TAG, "Unable to write default apps for backup", e); 19244 } 19245 return null; 19246 } 19247 19248 return dataStream.toByteArray(); 19249 } 19250 19251 @Override 19252 public void restorePermissionGrants(byte[] backup, int userId) { 19253 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19254 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19255 } 19256 19257 try { 19258 final XmlPullParser parser = Xml.newPullParser(); 19259 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19260 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19261 new BlobXmlRestorer() { 19262 @Override 19263 public void apply(XmlPullParser parser, int userId) 19264 throws XmlPullParserException, IOException { 19265 synchronized (mPackages) { 19266 processRestoredPermissionGrantsLPr(parser, userId); 19267 } 19268 } 19269 } ); 19270 } catch (Exception e) { 19271 if (DEBUG_BACKUP) { 19272 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19273 } 19274 } 19275 } 19276 19277 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19278 throws IOException { 19279 serializer.startTag(null, TAG_ALL_GRANTS); 19280 19281 final int N = mSettings.mPackages.size(); 19282 for (int i = 0; i < N; i++) { 19283 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19284 boolean pkgGrantsKnown = false; 19285 19286 PermissionsState packagePerms = ps.getPermissionsState(); 19287 19288 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19289 final int grantFlags = state.getFlags(); 19290 // only look at grants that are not system/policy fixed 19291 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19292 final boolean isGranted = state.isGranted(); 19293 // And only back up the user-twiddled state bits 19294 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19295 final String packageName = mSettings.mPackages.keyAt(i); 19296 if (!pkgGrantsKnown) { 19297 serializer.startTag(null, TAG_GRANT); 19298 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19299 pkgGrantsKnown = true; 19300 } 19301 19302 final boolean userSet = 19303 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19304 final boolean userFixed = 19305 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19306 final boolean revoke = 19307 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19308 19309 serializer.startTag(null, TAG_PERMISSION); 19310 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19311 if (isGranted) { 19312 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19313 } 19314 if (userSet) { 19315 serializer.attribute(null, ATTR_USER_SET, "true"); 19316 } 19317 if (userFixed) { 19318 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19319 } 19320 if (revoke) { 19321 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19322 } 19323 serializer.endTag(null, TAG_PERMISSION); 19324 } 19325 } 19326 } 19327 19328 if (pkgGrantsKnown) { 19329 serializer.endTag(null, TAG_GRANT); 19330 } 19331 } 19332 19333 serializer.endTag(null, TAG_ALL_GRANTS); 19334 } 19335 19336 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19337 throws XmlPullParserException, IOException { 19338 String pkgName = null; 19339 int outerDepth = parser.getDepth(); 19340 int type; 19341 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19342 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19343 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19344 continue; 19345 } 19346 19347 final String tagName = parser.getName(); 19348 if (tagName.equals(TAG_GRANT)) { 19349 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19350 if (DEBUG_BACKUP) { 19351 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19352 } 19353 } else if (tagName.equals(TAG_PERMISSION)) { 19354 19355 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19356 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19357 19358 int newFlagSet = 0; 19359 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19360 newFlagSet |= FLAG_PERMISSION_USER_SET; 19361 } 19362 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19363 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19364 } 19365 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19366 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19367 } 19368 if (DEBUG_BACKUP) { 19369 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 19370 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 19371 } 19372 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19373 if (ps != null) { 19374 // Already installed so we apply the grant immediately 19375 if (DEBUG_BACKUP) { 19376 Slog.v(TAG, " + already installed; applying"); 19377 } 19378 PermissionsState perms = ps.getPermissionsState(); 19379 BasePermission bp = mSettings.mPermissions.get(permName); 19380 if (bp != null) { 19381 if (isGranted) { 19382 perms.grantRuntimePermission(bp, userId); 19383 } 19384 if (newFlagSet != 0) { 19385 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19386 } 19387 } 19388 } else { 19389 // Need to wait for post-restore install to apply the grant 19390 if (DEBUG_BACKUP) { 19391 Slog.v(TAG, " - not yet installed; saving for later"); 19392 } 19393 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19394 isGranted, newFlagSet, userId); 19395 } 19396 } else { 19397 PackageManagerService.reportSettingsProblem(Log.WARN, 19398 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19399 XmlUtils.skipCurrentTag(parser); 19400 } 19401 } 19402 19403 scheduleWriteSettingsLocked(); 19404 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19405 } 19406 19407 @Override 19408 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19409 int sourceUserId, int targetUserId, int flags) { 19410 mContext.enforceCallingOrSelfPermission( 19411 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19412 int callingUid = Binder.getCallingUid(); 19413 enforceOwnerRights(ownerPackage, callingUid); 19414 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19415 if (intentFilter.countActions() == 0) { 19416 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19417 return; 19418 } 19419 synchronized (mPackages) { 19420 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19421 ownerPackage, targetUserId, flags); 19422 CrossProfileIntentResolver resolver = 19423 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19424 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19425 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19426 if (existing != null) { 19427 int size = existing.size(); 19428 for (int i = 0; i < size; i++) { 19429 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19430 return; 19431 } 19432 } 19433 } 19434 resolver.addFilter(newFilter); 19435 scheduleWritePackageRestrictionsLocked(sourceUserId); 19436 } 19437 } 19438 19439 @Override 19440 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19441 mContext.enforceCallingOrSelfPermission( 19442 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19443 int callingUid = Binder.getCallingUid(); 19444 enforceOwnerRights(ownerPackage, callingUid); 19445 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19446 synchronized (mPackages) { 19447 CrossProfileIntentResolver resolver = 19448 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19449 ArraySet<CrossProfileIntentFilter> set = 19450 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19451 for (CrossProfileIntentFilter filter : set) { 19452 if (filter.getOwnerPackage().equals(ownerPackage)) { 19453 resolver.removeFilter(filter); 19454 } 19455 } 19456 scheduleWritePackageRestrictionsLocked(sourceUserId); 19457 } 19458 } 19459 19460 // Enforcing that callingUid is owning pkg on userId 19461 private void enforceOwnerRights(String pkg, int callingUid) { 19462 // The system owns everything. 19463 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19464 return; 19465 } 19466 int callingUserId = UserHandle.getUserId(callingUid); 19467 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19468 if (pi == null) { 19469 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19470 + callingUserId); 19471 } 19472 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19473 throw new SecurityException("Calling uid " + callingUid 19474 + " does not own package " + pkg); 19475 } 19476 } 19477 19478 @Override 19479 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19480 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19481 } 19482 19483 private Intent getHomeIntent() { 19484 Intent intent = new Intent(Intent.ACTION_MAIN); 19485 intent.addCategory(Intent.CATEGORY_HOME); 19486 intent.addCategory(Intent.CATEGORY_DEFAULT); 19487 return intent; 19488 } 19489 19490 private IntentFilter getHomeFilter() { 19491 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19492 filter.addCategory(Intent.CATEGORY_HOME); 19493 filter.addCategory(Intent.CATEGORY_DEFAULT); 19494 return filter; 19495 } 19496 19497 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19498 int userId) { 19499 Intent intent = getHomeIntent(); 19500 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19501 PackageManager.GET_META_DATA, userId); 19502 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19503 true, false, false, userId); 19504 19505 allHomeCandidates.clear(); 19506 if (list != null) { 19507 for (ResolveInfo ri : list) { 19508 allHomeCandidates.add(ri); 19509 } 19510 } 19511 return (preferred == null || preferred.activityInfo == null) 19512 ? null 19513 : new ComponentName(preferred.activityInfo.packageName, 19514 preferred.activityInfo.name); 19515 } 19516 19517 @Override 19518 public void setHomeActivity(ComponentName comp, int userId) { 19519 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19520 getHomeActivitiesAsUser(homeActivities, userId); 19521 19522 boolean found = false; 19523 19524 final int size = homeActivities.size(); 19525 final ComponentName[] set = new ComponentName[size]; 19526 for (int i = 0; i < size; i++) { 19527 final ResolveInfo candidate = homeActivities.get(i); 19528 final ActivityInfo info = candidate.activityInfo; 19529 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19530 set[i] = activityName; 19531 if (!found && activityName.equals(comp)) { 19532 found = true; 19533 } 19534 } 19535 if (!found) { 19536 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19537 + userId); 19538 } 19539 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19540 set, comp, userId); 19541 } 19542 19543 private @Nullable String getSetupWizardPackageName() { 19544 final Intent intent = new Intent(Intent.ACTION_MAIN); 19545 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19546 19547 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19548 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19549 | MATCH_DISABLED_COMPONENTS, 19550 UserHandle.myUserId()); 19551 if (matches.size() == 1) { 19552 return matches.get(0).getComponentInfo().packageName; 19553 } else { 19554 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19555 + ": matches=" + matches); 19556 return null; 19557 } 19558 } 19559 19560 private @Nullable String getStorageManagerPackageName() { 19561 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19562 19563 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19564 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19565 | MATCH_DISABLED_COMPONENTS, 19566 UserHandle.myUserId()); 19567 if (matches.size() == 1) { 19568 return matches.get(0).getComponentInfo().packageName; 19569 } else { 19570 Slog.e(TAG, "There should probably be exactly one storage manager; found " 19571 + matches.size() + ": matches=" + matches); 19572 return null; 19573 } 19574 } 19575 19576 @Override 19577 public void setApplicationEnabledSetting(String appPackageName, 19578 int newState, int flags, int userId, String callingPackage) { 19579 if (!sUserManager.exists(userId)) return; 19580 if (callingPackage == null) { 19581 callingPackage = Integer.toString(Binder.getCallingUid()); 19582 } 19583 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 19584 } 19585 19586 @Override 19587 public void setComponentEnabledSetting(ComponentName componentName, 19588 int newState, int flags, int userId) { 19589 if (!sUserManager.exists(userId)) return; 19590 setEnabledSetting(componentName.getPackageName(), 19591 componentName.getClassName(), newState, flags, userId, null); 19592 } 19593 19594 private void setEnabledSetting(final String packageName, String className, int newState, 19595 final int flags, int userId, String callingPackage) { 19596 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 19597 || newState == COMPONENT_ENABLED_STATE_ENABLED 19598 || newState == COMPONENT_ENABLED_STATE_DISABLED 19599 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19600 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 19601 throw new IllegalArgumentException("Invalid new component state: " 19602 + newState); 19603 } 19604 PackageSetting pkgSetting; 19605 final int uid = Binder.getCallingUid(); 19606 final int permission; 19607 if (uid == Process.SYSTEM_UID) { 19608 permission = PackageManager.PERMISSION_GRANTED; 19609 } else { 19610 permission = mContext.checkCallingOrSelfPermission( 19611 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19612 } 19613 enforceCrossUserPermission(uid, userId, 19614 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 19615 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19616 boolean sendNow = false; 19617 boolean isApp = (className == null); 19618 String componentName = isApp ? packageName : className; 19619 int packageUid = -1; 19620 ArrayList<String> components; 19621 19622 // writer 19623 synchronized (mPackages) { 19624 pkgSetting = mSettings.mPackages.get(packageName); 19625 if (pkgSetting == null) { 19626 if (className == null) { 19627 throw new IllegalArgumentException("Unknown package: " + packageName); 19628 } 19629 throw new IllegalArgumentException( 19630 "Unknown component: " + packageName + "/" + className); 19631 } 19632 } 19633 19634 // Limit who can change which apps 19635 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 19636 // Don't allow apps that don't have permission to modify other apps 19637 if (!allowedByPermission) { 19638 throw new SecurityException( 19639 "Permission Denial: attempt to change component state from pid=" 19640 + Binder.getCallingPid() 19641 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 19642 } 19643 // Don't allow changing protected packages. 19644 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 19645 throw new SecurityException("Cannot disable a protected package: " + packageName); 19646 } 19647 } 19648 19649 synchronized (mPackages) { 19650 if (uid == Process.SHELL_UID 19651 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 19652 // Shell can only change whole packages between ENABLED and DISABLED_USER states 19653 // unless it is a test package. 19654 int oldState = pkgSetting.getEnabled(userId); 19655 if (className == null 19656 && 19657 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 19658 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 19659 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 19660 && 19661 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19662 || newState == COMPONENT_ENABLED_STATE_DEFAULT 19663 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 19664 // ok 19665 } else { 19666 throw new SecurityException( 19667 "Shell cannot change component state for " + packageName + "/" 19668 + className + " to " + newState); 19669 } 19670 } 19671 if (className == null) { 19672 // We're dealing with an application/package level state change 19673 if (pkgSetting.getEnabled(userId) == newState) { 19674 // Nothing to do 19675 return; 19676 } 19677 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 19678 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 19679 // Don't care about who enables an app. 19680 callingPackage = null; 19681 } 19682 pkgSetting.setEnabled(newState, userId, callingPackage); 19683 // pkgSetting.pkg.mSetEnabled = newState; 19684 } else { 19685 // We're dealing with a component level state change 19686 // First, verify that this is a valid class name. 19687 PackageParser.Package pkg = pkgSetting.pkg; 19688 if (pkg == null || !pkg.hasComponentClassName(className)) { 19689 if (pkg != null && 19690 pkg.applicationInfo.targetSdkVersion >= 19691 Build.VERSION_CODES.JELLY_BEAN) { 19692 throw new IllegalArgumentException("Component class " + className 19693 + " does not exist in " + packageName); 19694 } else { 19695 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 19696 + className + " does not exist in " + packageName); 19697 } 19698 } 19699 switch (newState) { 19700 case COMPONENT_ENABLED_STATE_ENABLED: 19701 if (!pkgSetting.enableComponentLPw(className, userId)) { 19702 return; 19703 } 19704 break; 19705 case COMPONENT_ENABLED_STATE_DISABLED: 19706 if (!pkgSetting.disableComponentLPw(className, userId)) { 19707 return; 19708 } 19709 break; 19710 case COMPONENT_ENABLED_STATE_DEFAULT: 19711 if (!pkgSetting.restoreComponentLPw(className, userId)) { 19712 return; 19713 } 19714 break; 19715 default: 19716 Slog.e(TAG, "Invalid new component state: " + newState); 19717 return; 19718 } 19719 } 19720 scheduleWritePackageRestrictionsLocked(userId); 19721 components = mPendingBroadcasts.get(userId, packageName); 19722 final boolean newPackage = components == null; 19723 if (newPackage) { 19724 components = new ArrayList<String>(); 19725 } 19726 if (!components.contains(componentName)) { 19727 components.add(componentName); 19728 } 19729 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 19730 sendNow = true; 19731 // Purge entry from pending broadcast list if another one exists already 19732 // since we are sending one right away. 19733 mPendingBroadcasts.remove(userId, packageName); 19734 } else { 19735 if (newPackage) { 19736 mPendingBroadcasts.put(userId, packageName, components); 19737 } 19738 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 19739 // Schedule a message 19740 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 19741 } 19742 } 19743 } 19744 19745 long callingId = Binder.clearCallingIdentity(); 19746 try { 19747 if (sendNow) { 19748 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 19749 sendPackageChangedBroadcast(packageName, 19750 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 19751 } 19752 } finally { 19753 Binder.restoreCallingIdentity(callingId); 19754 } 19755 } 19756 19757 @Override 19758 public void flushPackageRestrictionsAsUser(int userId) { 19759 if (!sUserManager.exists(userId)) { 19760 return; 19761 } 19762 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 19763 false /* checkShell */, "flushPackageRestrictions"); 19764 synchronized (mPackages) { 19765 mSettings.writePackageRestrictionsLPr(userId); 19766 mDirtyUsers.remove(userId); 19767 if (mDirtyUsers.isEmpty()) { 19768 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 19769 } 19770 } 19771 } 19772 19773 private void sendPackageChangedBroadcast(String packageName, 19774 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 19775 if (DEBUG_INSTALL) 19776 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 19777 + componentNames); 19778 Bundle extras = new Bundle(4); 19779 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 19780 String nameList[] = new String[componentNames.size()]; 19781 componentNames.toArray(nameList); 19782 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 19783 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 19784 extras.putInt(Intent.EXTRA_UID, packageUid); 19785 // If this is not reporting a change of the overall package, then only send it 19786 // to registered receivers. We don't want to launch a swath of apps for every 19787 // little component state change. 19788 final int flags = !componentNames.contains(packageName) 19789 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 19790 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 19791 new int[] {UserHandle.getUserId(packageUid)}); 19792 } 19793 19794 @Override 19795 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 19796 if (!sUserManager.exists(userId)) return; 19797 final int uid = Binder.getCallingUid(); 19798 final int permission = mContext.checkCallingOrSelfPermission( 19799 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19800 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19801 enforceCrossUserPermission(uid, userId, 19802 true /* requireFullPermission */, true /* checkShell */, "stop package"); 19803 // writer 19804 synchronized (mPackages) { 19805 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 19806 allowedByPermission, uid, userId)) { 19807 scheduleWritePackageRestrictionsLocked(userId); 19808 } 19809 } 19810 } 19811 19812 @Override 19813 public String getInstallerPackageName(String packageName) { 19814 // reader 19815 synchronized (mPackages) { 19816 return mSettings.getInstallerPackageNameLPr(packageName); 19817 } 19818 } 19819 19820 public boolean isOrphaned(String packageName) { 19821 // reader 19822 synchronized (mPackages) { 19823 return mSettings.isOrphaned(packageName); 19824 } 19825 } 19826 19827 @Override 19828 public int getApplicationEnabledSetting(String packageName, int userId) { 19829 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19830 int uid = Binder.getCallingUid(); 19831 enforceCrossUserPermission(uid, userId, 19832 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 19833 // reader 19834 synchronized (mPackages) { 19835 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 19836 } 19837 } 19838 19839 @Override 19840 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 19841 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19842 int uid = Binder.getCallingUid(); 19843 enforceCrossUserPermission(uid, userId, 19844 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 19845 // reader 19846 synchronized (mPackages) { 19847 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 19848 } 19849 } 19850 19851 @Override 19852 public void enterSafeMode() { 19853 enforceSystemOrRoot("Only the system can request entering safe mode"); 19854 19855 if (!mSystemReady) { 19856 mSafeMode = true; 19857 } 19858 } 19859 19860 @Override 19861 public void systemReady() { 19862 mSystemReady = true; 19863 19864 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 19865 // disabled after already being started. 19866 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 19867 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 19868 19869 // Read the compatibilty setting when the system is ready. 19870 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 19871 mContext.getContentResolver(), 19872 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 19873 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 19874 if (DEBUG_SETTINGS) { 19875 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 19876 } 19877 19878 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 19879 19880 synchronized (mPackages) { 19881 // Verify that all of the preferred activity components actually 19882 // exist. It is possible for applications to be updated and at 19883 // that point remove a previously declared activity component that 19884 // had been set as a preferred activity. We try to clean this up 19885 // the next time we encounter that preferred activity, but it is 19886 // possible for the user flow to never be able to return to that 19887 // situation so here we do a sanity check to make sure we haven't 19888 // left any junk around. 19889 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 19890 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19891 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19892 removed.clear(); 19893 for (PreferredActivity pa : pir.filterSet()) { 19894 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 19895 removed.add(pa); 19896 } 19897 } 19898 if (removed.size() > 0) { 19899 for (int r=0; r<removed.size(); r++) { 19900 PreferredActivity pa = removed.get(r); 19901 Slog.w(TAG, "Removing dangling preferred activity: " 19902 + pa.mPref.mComponent); 19903 pir.removeFilter(pa); 19904 } 19905 mSettings.writePackageRestrictionsLPr( 19906 mSettings.mPreferredActivities.keyAt(i)); 19907 } 19908 } 19909 19910 for (int userId : UserManagerService.getInstance().getUserIds()) { 19911 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 19912 grantPermissionsUserIds = ArrayUtils.appendInt( 19913 grantPermissionsUserIds, userId); 19914 } 19915 } 19916 } 19917 sUserManager.systemReady(); 19918 19919 // If we upgraded grant all default permissions before kicking off. 19920 for (int userId : grantPermissionsUserIds) { 19921 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 19922 } 19923 19924 // If we did not grant default permissions, we preload from this the 19925 // default permission exceptions lazily to ensure we don't hit the 19926 // disk on a new user creation. 19927 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 19928 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 19929 } 19930 19931 // Kick off any messages waiting for system ready 19932 if (mPostSystemReadyMessages != null) { 19933 for (Message msg : mPostSystemReadyMessages) { 19934 msg.sendToTarget(); 19935 } 19936 mPostSystemReadyMessages = null; 19937 } 19938 19939 // Watch for external volumes that come and go over time 19940 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19941 storage.registerListener(mStorageListener); 19942 19943 mInstallerService.systemReady(); 19944 mPackageDexOptimizer.systemReady(); 19945 19946 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 19947 StorageManagerInternal.class); 19948 StorageManagerInternal.addExternalStoragePolicy( 19949 new StorageManagerInternal.ExternalStorageMountPolicy() { 19950 @Override 19951 public int getMountMode(int uid, String packageName) { 19952 if (Process.isIsolated(uid)) { 19953 return Zygote.MOUNT_EXTERNAL_NONE; 19954 } 19955 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 19956 return Zygote.MOUNT_EXTERNAL_DEFAULT; 19957 } 19958 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 19959 return Zygote.MOUNT_EXTERNAL_DEFAULT; 19960 } 19961 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 19962 return Zygote.MOUNT_EXTERNAL_READ; 19963 } 19964 return Zygote.MOUNT_EXTERNAL_WRITE; 19965 } 19966 19967 @Override 19968 public boolean hasExternalStorage(int uid, String packageName) { 19969 return true; 19970 } 19971 }); 19972 19973 // Now that we're mostly running, clean up stale users and apps 19974 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 19975 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 19976 } 19977 19978 @Override 19979 public boolean isSafeMode() { 19980 return mSafeMode; 19981 } 19982 19983 @Override 19984 public boolean hasSystemUidErrors() { 19985 return mHasSystemUidErrors; 19986 } 19987 19988 static String arrayToString(int[] array) { 19989 StringBuffer buf = new StringBuffer(128); 19990 buf.append('['); 19991 if (array != null) { 19992 for (int i=0; i<array.length; i++) { 19993 if (i > 0) buf.append(", "); 19994 buf.append(array[i]); 19995 } 19996 } 19997 buf.append(']'); 19998 return buf.toString(); 19999 } 20000 20001 static class DumpState { 20002 public static final int DUMP_LIBS = 1 << 0; 20003 public static final int DUMP_FEATURES = 1 << 1; 20004 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 20005 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 20006 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 20007 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 20008 public static final int DUMP_PERMISSIONS = 1 << 6; 20009 public static final int DUMP_PACKAGES = 1 << 7; 20010 public static final int DUMP_SHARED_USERS = 1 << 8; 20011 public static final int DUMP_MESSAGES = 1 << 9; 20012 public static final int DUMP_PROVIDERS = 1 << 10; 20013 public static final int DUMP_VERIFIERS = 1 << 11; 20014 public static final int DUMP_PREFERRED = 1 << 12; 20015 public static final int DUMP_PREFERRED_XML = 1 << 13; 20016 public static final int DUMP_KEYSETS = 1 << 14; 20017 public static final int DUMP_VERSION = 1 << 15; 20018 public static final int DUMP_INSTALLS = 1 << 16; 20019 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 20020 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 20021 public static final int DUMP_FROZEN = 1 << 19; 20022 public static final int DUMP_DEXOPT = 1 << 20; 20023 public static final int DUMP_COMPILER_STATS = 1 << 21; 20024 20025 public static final int OPTION_SHOW_FILTERS = 1 << 0; 20026 20027 private int mTypes; 20028 20029 private int mOptions; 20030 20031 private boolean mTitlePrinted; 20032 20033 private SharedUserSetting mSharedUser; 20034 20035 public boolean isDumping(int type) { 20036 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 20037 return true; 20038 } 20039 20040 return (mTypes & type) != 0; 20041 } 20042 20043 public void setDump(int type) { 20044 mTypes |= type; 20045 } 20046 20047 public boolean isOptionEnabled(int option) { 20048 return (mOptions & option) != 0; 20049 } 20050 20051 public void setOptionEnabled(int option) { 20052 mOptions |= option; 20053 } 20054 20055 public boolean onTitlePrinted() { 20056 final boolean printed = mTitlePrinted; 20057 mTitlePrinted = true; 20058 return printed; 20059 } 20060 20061 public boolean getTitlePrinted() { 20062 return mTitlePrinted; 20063 } 20064 20065 public void setTitlePrinted(boolean enabled) { 20066 mTitlePrinted = enabled; 20067 } 20068 20069 public SharedUserSetting getSharedUser() { 20070 return mSharedUser; 20071 } 20072 20073 public void setSharedUser(SharedUserSetting user) { 20074 mSharedUser = user; 20075 } 20076 } 20077 20078 @Override 20079 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20080 FileDescriptor err, String[] args, ShellCallback callback, 20081 ResultReceiver resultReceiver) { 20082 (new PackageManagerShellCommand(this)).exec( 20083 this, in, out, err, args, callback, resultReceiver); 20084 } 20085 20086 @Override 20087 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20088 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 20089 != PackageManager.PERMISSION_GRANTED) { 20090 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 20091 + Binder.getCallingPid() 20092 + ", uid=" + Binder.getCallingUid() 20093 + " without permission " 20094 + android.Manifest.permission.DUMP); 20095 return; 20096 } 20097 20098 DumpState dumpState = new DumpState(); 20099 boolean fullPreferred = false; 20100 boolean checkin = false; 20101 20102 String packageName = null; 20103 ArraySet<String> permissionNames = null; 20104 20105 int opti = 0; 20106 while (opti < args.length) { 20107 String opt = args[opti]; 20108 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20109 break; 20110 } 20111 opti++; 20112 20113 if ("-a".equals(opt)) { 20114 // Right now we only know how to print all. 20115 } else if ("-h".equals(opt)) { 20116 pw.println("Package manager dump options:"); 20117 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20118 pw.println(" --checkin: dump for a checkin"); 20119 pw.println(" -f: print details of intent filters"); 20120 pw.println(" -h: print this help"); 20121 pw.println(" cmd may be one of:"); 20122 pw.println(" l[ibraries]: list known shared libraries"); 20123 pw.println(" f[eatures]: list device features"); 20124 pw.println(" k[eysets]: print known keysets"); 20125 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20126 pw.println(" perm[issions]: dump permissions"); 20127 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20128 pw.println(" pref[erred]: print preferred package settings"); 20129 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20130 pw.println(" prov[iders]: dump content providers"); 20131 pw.println(" p[ackages]: dump installed packages"); 20132 pw.println(" s[hared-users]: dump shared user IDs"); 20133 pw.println(" m[essages]: print collected runtime messages"); 20134 pw.println(" v[erifiers]: print package verifier info"); 20135 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20136 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20137 pw.println(" version: print database version info"); 20138 pw.println(" write: write current settings now"); 20139 pw.println(" installs: details about install sessions"); 20140 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20141 pw.println(" dexopt: dump dexopt state"); 20142 pw.println(" compiler-stats: dump compiler statistics"); 20143 pw.println(" <package.name>: info about given package"); 20144 return; 20145 } else if ("--checkin".equals(opt)) { 20146 checkin = true; 20147 } else if ("-f".equals(opt)) { 20148 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20149 } else { 20150 pw.println("Unknown argument: " + opt + "; use -h for help"); 20151 } 20152 } 20153 20154 // Is the caller requesting to dump a particular piece of data? 20155 if (opti < args.length) { 20156 String cmd = args[opti]; 20157 opti++; 20158 // Is this a package name? 20159 if ("android".equals(cmd) || cmd.contains(".")) { 20160 packageName = cmd; 20161 // When dumping a single package, we always dump all of its 20162 // filter information since the amount of data will be reasonable. 20163 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20164 } else if ("check-permission".equals(cmd)) { 20165 if (opti >= args.length) { 20166 pw.println("Error: check-permission missing permission argument"); 20167 return; 20168 } 20169 String perm = args[opti]; 20170 opti++; 20171 if (opti >= args.length) { 20172 pw.println("Error: check-permission missing package argument"); 20173 return; 20174 } 20175 20176 String pkg = args[opti]; 20177 opti++; 20178 int user = UserHandle.getUserId(Binder.getCallingUid()); 20179 if (opti < args.length) { 20180 try { 20181 user = Integer.parseInt(args[opti]); 20182 } catch (NumberFormatException e) { 20183 pw.println("Error: check-permission user argument is not a number: " 20184 + args[opti]); 20185 return; 20186 } 20187 } 20188 20189 // Normalize package name to handle renamed packages and static libs 20190 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20191 20192 pw.println(checkPermission(perm, pkg, user)); 20193 return; 20194 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20195 dumpState.setDump(DumpState.DUMP_LIBS); 20196 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20197 dumpState.setDump(DumpState.DUMP_FEATURES); 20198 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20199 if (opti >= args.length) { 20200 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20201 | DumpState.DUMP_SERVICE_RESOLVERS 20202 | DumpState.DUMP_RECEIVER_RESOLVERS 20203 | DumpState.DUMP_CONTENT_RESOLVERS); 20204 } else { 20205 while (opti < args.length) { 20206 String name = args[opti]; 20207 if ("a".equals(name) || "activity".equals(name)) { 20208 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20209 } else if ("s".equals(name) || "service".equals(name)) { 20210 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20211 } else if ("r".equals(name) || "receiver".equals(name)) { 20212 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20213 } else if ("c".equals(name) || "content".equals(name)) { 20214 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20215 } else { 20216 pw.println("Error: unknown resolver table type: " + name); 20217 return; 20218 } 20219 opti++; 20220 } 20221 } 20222 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20223 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20224 } else if ("permission".equals(cmd)) { 20225 if (opti >= args.length) { 20226 pw.println("Error: permission requires permission name"); 20227 return; 20228 } 20229 permissionNames = new ArraySet<>(); 20230 while (opti < args.length) { 20231 permissionNames.add(args[opti]); 20232 opti++; 20233 } 20234 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20235 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20236 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20237 dumpState.setDump(DumpState.DUMP_PREFERRED); 20238 } else if ("preferred-xml".equals(cmd)) { 20239 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20240 if (opti < args.length && "--full".equals(args[opti])) { 20241 fullPreferred = true; 20242 opti++; 20243 } 20244 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20245 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20246 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20247 dumpState.setDump(DumpState.DUMP_PACKAGES); 20248 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20249 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20250 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20251 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20252 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20253 dumpState.setDump(DumpState.DUMP_MESSAGES); 20254 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20255 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20256 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20257 || "intent-filter-verifiers".equals(cmd)) { 20258 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20259 } else if ("version".equals(cmd)) { 20260 dumpState.setDump(DumpState.DUMP_VERSION); 20261 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20262 dumpState.setDump(DumpState.DUMP_KEYSETS); 20263 } else if ("installs".equals(cmd)) { 20264 dumpState.setDump(DumpState.DUMP_INSTALLS); 20265 } else if ("frozen".equals(cmd)) { 20266 dumpState.setDump(DumpState.DUMP_FROZEN); 20267 } else if ("dexopt".equals(cmd)) { 20268 dumpState.setDump(DumpState.DUMP_DEXOPT); 20269 } else if ("compiler-stats".equals(cmd)) { 20270 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20271 } else if ("write".equals(cmd)) { 20272 synchronized (mPackages) { 20273 mSettings.writeLPr(); 20274 pw.println("Settings written."); 20275 return; 20276 } 20277 } 20278 } 20279 20280 if (checkin) { 20281 pw.println("vers,1"); 20282 } 20283 20284 // reader 20285 synchronized (mPackages) { 20286 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20287 if (!checkin) { 20288 if (dumpState.onTitlePrinted()) 20289 pw.println(); 20290 pw.println("Database versions:"); 20291 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20292 } 20293 } 20294 20295 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20296 if (!checkin) { 20297 if (dumpState.onTitlePrinted()) 20298 pw.println(); 20299 pw.println("Verifiers:"); 20300 pw.print(" Required: "); 20301 pw.print(mRequiredVerifierPackage); 20302 pw.print(" (uid="); 20303 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20304 UserHandle.USER_SYSTEM)); 20305 pw.println(")"); 20306 } else if (mRequiredVerifierPackage != null) { 20307 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20308 pw.print(","); 20309 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20310 UserHandle.USER_SYSTEM)); 20311 } 20312 } 20313 20314 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20315 packageName == null) { 20316 if (mIntentFilterVerifierComponent != null) { 20317 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20318 if (!checkin) { 20319 if (dumpState.onTitlePrinted()) 20320 pw.println(); 20321 pw.println("Intent Filter Verifier:"); 20322 pw.print(" Using: "); 20323 pw.print(verifierPackageName); 20324 pw.print(" (uid="); 20325 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20326 UserHandle.USER_SYSTEM)); 20327 pw.println(")"); 20328 } else if (verifierPackageName != null) { 20329 pw.print("ifv,"); pw.print(verifierPackageName); 20330 pw.print(","); 20331 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20332 UserHandle.USER_SYSTEM)); 20333 } 20334 } else { 20335 pw.println(); 20336 pw.println("No Intent Filter Verifier available!"); 20337 } 20338 } 20339 20340 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20341 boolean printedHeader = false; 20342 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20343 while (it.hasNext()) { 20344 String libName = it.next(); 20345 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20346 if (versionedLib == null) { 20347 continue; 20348 } 20349 final int versionCount = versionedLib.size(); 20350 for (int i = 0; i < versionCount; i++) { 20351 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20352 if (!checkin) { 20353 if (!printedHeader) { 20354 if (dumpState.onTitlePrinted()) 20355 pw.println(); 20356 pw.println("Libraries:"); 20357 printedHeader = true; 20358 } 20359 pw.print(" "); 20360 } else { 20361 pw.print("lib,"); 20362 } 20363 pw.print(libEntry.info.getName()); 20364 if (libEntry.info.isStatic()) { 20365 pw.print(" version=" + libEntry.info.getVersion()); 20366 } 20367 if (!checkin) { 20368 pw.print(" -> "); 20369 } 20370 if (libEntry.path != null) { 20371 pw.print(" (jar) "); 20372 pw.print(libEntry.path); 20373 } else { 20374 pw.print(" (apk) "); 20375 pw.print(libEntry.apk); 20376 } 20377 pw.println(); 20378 } 20379 } 20380 } 20381 20382 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20383 if (dumpState.onTitlePrinted()) 20384 pw.println(); 20385 if (!checkin) { 20386 pw.println("Features:"); 20387 } 20388 20389 synchronized (mAvailableFeatures) { 20390 for (FeatureInfo feat : mAvailableFeatures.values()) { 20391 if (checkin) { 20392 pw.print("feat,"); 20393 pw.print(feat.name); 20394 pw.print(","); 20395 pw.println(feat.version); 20396 } else { 20397 pw.print(" "); 20398 pw.print(feat.name); 20399 if (feat.version > 0) { 20400 pw.print(" version="); 20401 pw.print(feat.version); 20402 } 20403 pw.println(); 20404 } 20405 } 20406 } 20407 } 20408 20409 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20410 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20411 : "Activity Resolver Table:", " ", packageName, 20412 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20413 dumpState.setTitlePrinted(true); 20414 } 20415 } 20416 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20417 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20418 : "Receiver Resolver Table:", " ", packageName, 20419 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20420 dumpState.setTitlePrinted(true); 20421 } 20422 } 20423 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20424 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20425 : "Service Resolver Table:", " ", packageName, 20426 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20427 dumpState.setTitlePrinted(true); 20428 } 20429 } 20430 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20431 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20432 : "Provider Resolver Table:", " ", packageName, 20433 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20434 dumpState.setTitlePrinted(true); 20435 } 20436 } 20437 20438 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20439 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20440 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20441 int user = mSettings.mPreferredActivities.keyAt(i); 20442 if (pir.dump(pw, 20443 dumpState.getTitlePrinted() 20444 ? "\nPreferred Activities User " + user + ":" 20445 : "Preferred Activities User " + user + ":", " ", 20446 packageName, true, false)) { 20447 dumpState.setTitlePrinted(true); 20448 } 20449 } 20450 } 20451 20452 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20453 pw.flush(); 20454 FileOutputStream fout = new FileOutputStream(fd); 20455 BufferedOutputStream str = new BufferedOutputStream(fout); 20456 XmlSerializer serializer = new FastXmlSerializer(); 20457 try { 20458 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20459 serializer.startDocument(null, true); 20460 serializer.setFeature( 20461 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 20462 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 20463 serializer.endDocument(); 20464 serializer.flush(); 20465 } catch (IllegalArgumentException e) { 20466 pw.println("Failed writing: " + e); 20467 } catch (IllegalStateException e) { 20468 pw.println("Failed writing: " + e); 20469 } catch (IOException e) { 20470 pw.println("Failed writing: " + e); 20471 } 20472 } 20473 20474 if (!checkin 20475 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 20476 && packageName == null) { 20477 pw.println(); 20478 int count = mSettings.mPackages.size(); 20479 if (count == 0) { 20480 pw.println("No applications!"); 20481 pw.println(); 20482 } else { 20483 final String prefix = " "; 20484 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 20485 if (allPackageSettings.size() == 0) { 20486 pw.println("No domain preferred apps!"); 20487 pw.println(); 20488 } else { 20489 pw.println("App verification status:"); 20490 pw.println(); 20491 count = 0; 20492 for (PackageSetting ps : allPackageSettings) { 20493 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 20494 if (ivi == null || ivi.getPackageName() == null) continue; 20495 pw.println(prefix + "Package: " + ivi.getPackageName()); 20496 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 20497 pw.println(prefix + "Status: " + ivi.getStatusString()); 20498 pw.println(); 20499 count++; 20500 } 20501 if (count == 0) { 20502 pw.println(prefix + "No app verification established."); 20503 pw.println(); 20504 } 20505 for (int userId : sUserManager.getUserIds()) { 20506 pw.println("App linkages for user " + userId + ":"); 20507 pw.println(); 20508 count = 0; 20509 for (PackageSetting ps : allPackageSettings) { 20510 final long status = ps.getDomainVerificationStatusForUser(userId); 20511 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 20512 && !DEBUG_DOMAIN_VERIFICATION) { 20513 continue; 20514 } 20515 pw.println(prefix + "Package: " + ps.name); 20516 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 20517 String statusStr = IntentFilterVerificationInfo. 20518 getStatusStringFromValue(status); 20519 pw.println(prefix + "Status: " + statusStr); 20520 pw.println(); 20521 count++; 20522 } 20523 if (count == 0) { 20524 pw.println(prefix + "No configured app linkages."); 20525 pw.println(); 20526 } 20527 } 20528 } 20529 } 20530 } 20531 20532 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 20533 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 20534 if (packageName == null && permissionNames == null) { 20535 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 20536 if (iperm == 0) { 20537 if (dumpState.onTitlePrinted()) 20538 pw.println(); 20539 pw.println("AppOp Permissions:"); 20540 } 20541 pw.print(" AppOp Permission "); 20542 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 20543 pw.println(":"); 20544 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 20545 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 20546 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 20547 } 20548 } 20549 } 20550 } 20551 20552 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 20553 boolean printedSomething = false; 20554 for (PackageParser.Provider p : mProviders.mProviders.values()) { 20555 if (packageName != null && !packageName.equals(p.info.packageName)) { 20556 continue; 20557 } 20558 if (!printedSomething) { 20559 if (dumpState.onTitlePrinted()) 20560 pw.println(); 20561 pw.println("Registered ContentProviders:"); 20562 printedSomething = true; 20563 } 20564 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 20565 pw.print(" "); pw.println(p.toString()); 20566 } 20567 printedSomething = false; 20568 for (Map.Entry<String, PackageParser.Provider> entry : 20569 mProvidersByAuthority.entrySet()) { 20570 PackageParser.Provider p = entry.getValue(); 20571 if (packageName != null && !packageName.equals(p.info.packageName)) { 20572 continue; 20573 } 20574 if (!printedSomething) { 20575 if (dumpState.onTitlePrinted()) 20576 pw.println(); 20577 pw.println("ContentProvider Authorities:"); 20578 printedSomething = true; 20579 } 20580 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 20581 pw.print(" "); pw.println(p.toString()); 20582 if (p.info != null && p.info.applicationInfo != null) { 20583 final String appInfo = p.info.applicationInfo.toString(); 20584 pw.print(" applicationInfo="); pw.println(appInfo); 20585 } 20586 } 20587 } 20588 20589 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 20590 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 20591 } 20592 20593 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 20594 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 20595 } 20596 20597 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 20598 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 20599 } 20600 20601 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 20602 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 20603 } 20604 20605 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 20606 // XXX should handle packageName != null by dumping only install data that 20607 // the given package is involved with. 20608 if (dumpState.onTitlePrinted()) pw.println(); 20609 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 20610 } 20611 20612 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 20613 // XXX should handle packageName != null by dumping only install data that 20614 // the given package is involved with. 20615 if (dumpState.onTitlePrinted()) pw.println(); 20616 20617 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20618 ipw.println(); 20619 ipw.println("Frozen packages:"); 20620 ipw.increaseIndent(); 20621 if (mFrozenPackages.size() == 0) { 20622 ipw.println("(none)"); 20623 } else { 20624 for (int i = 0; i < mFrozenPackages.size(); i++) { 20625 ipw.println(mFrozenPackages.valueAt(i)); 20626 } 20627 } 20628 ipw.decreaseIndent(); 20629 } 20630 20631 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 20632 if (dumpState.onTitlePrinted()) pw.println(); 20633 dumpDexoptStateLPr(pw, packageName); 20634 } 20635 20636 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 20637 if (dumpState.onTitlePrinted()) pw.println(); 20638 dumpCompilerStatsLPr(pw, packageName); 20639 } 20640 20641 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 20642 if (dumpState.onTitlePrinted()) pw.println(); 20643 mSettings.dumpReadMessagesLPr(pw, dumpState); 20644 20645 pw.println(); 20646 pw.println("Package warning messages:"); 20647 BufferedReader in = null; 20648 String line = null; 20649 try { 20650 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20651 while ((line = in.readLine()) != null) { 20652 if (line.contains("ignored: updated version")) continue; 20653 pw.println(line); 20654 } 20655 } catch (IOException ignored) { 20656 } finally { 20657 IoUtils.closeQuietly(in); 20658 } 20659 } 20660 20661 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 20662 BufferedReader in = null; 20663 String line = null; 20664 try { 20665 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20666 while ((line = in.readLine()) != null) { 20667 if (line.contains("ignored: updated version")) continue; 20668 pw.print("msg,"); 20669 pw.println(line); 20670 } 20671 } catch (IOException ignored) { 20672 } finally { 20673 IoUtils.closeQuietly(in); 20674 } 20675 } 20676 } 20677 } 20678 20679 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 20680 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20681 ipw.println(); 20682 ipw.println("Dexopt state:"); 20683 ipw.increaseIndent(); 20684 Collection<PackageParser.Package> packages = null; 20685 if (packageName != null) { 20686 PackageParser.Package targetPackage = mPackages.get(packageName); 20687 if (targetPackage != null) { 20688 packages = Collections.singletonList(targetPackage); 20689 } else { 20690 ipw.println("Unable to find package: " + packageName); 20691 return; 20692 } 20693 } else { 20694 packages = mPackages.values(); 20695 } 20696 20697 for (PackageParser.Package pkg : packages) { 20698 ipw.println("[" + pkg.packageName + "]"); 20699 ipw.increaseIndent(); 20700 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 20701 ipw.decreaseIndent(); 20702 } 20703 } 20704 20705 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 20706 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20707 ipw.println(); 20708 ipw.println("Compiler stats:"); 20709 ipw.increaseIndent(); 20710 Collection<PackageParser.Package> packages = null; 20711 if (packageName != null) { 20712 PackageParser.Package targetPackage = mPackages.get(packageName); 20713 if (targetPackage != null) { 20714 packages = Collections.singletonList(targetPackage); 20715 } else { 20716 ipw.println("Unable to find package: " + packageName); 20717 return; 20718 } 20719 } else { 20720 packages = mPackages.values(); 20721 } 20722 20723 for (PackageParser.Package pkg : packages) { 20724 ipw.println("[" + pkg.packageName + "]"); 20725 ipw.increaseIndent(); 20726 20727 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 20728 if (stats == null) { 20729 ipw.println("(No recorded stats)"); 20730 } else { 20731 stats.dump(ipw); 20732 } 20733 ipw.decreaseIndent(); 20734 } 20735 } 20736 20737 private String dumpDomainString(String packageName) { 20738 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 20739 .getList(); 20740 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 20741 20742 ArraySet<String> result = new ArraySet<>(); 20743 if (iviList.size() > 0) { 20744 for (IntentFilterVerificationInfo ivi : iviList) { 20745 for (String host : ivi.getDomains()) { 20746 result.add(host); 20747 } 20748 } 20749 } 20750 if (filters != null && filters.size() > 0) { 20751 for (IntentFilter filter : filters) { 20752 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 20753 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 20754 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 20755 result.addAll(filter.getHostsList()); 20756 } 20757 } 20758 } 20759 20760 StringBuilder sb = new StringBuilder(result.size() * 16); 20761 for (String domain : result) { 20762 if (sb.length() > 0) sb.append(" "); 20763 sb.append(domain); 20764 } 20765 return sb.toString(); 20766 } 20767 20768 // ------- apps on sdcard specific code ------- 20769 static final boolean DEBUG_SD_INSTALL = false; 20770 20771 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 20772 20773 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 20774 20775 private boolean mMediaMounted = false; 20776 20777 static String getEncryptKey() { 20778 try { 20779 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 20780 SD_ENCRYPTION_KEYSTORE_NAME); 20781 if (sdEncKey == null) { 20782 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 20783 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 20784 if (sdEncKey == null) { 20785 Slog.e(TAG, "Failed to create encryption keys"); 20786 return null; 20787 } 20788 } 20789 return sdEncKey; 20790 } catch (NoSuchAlgorithmException nsae) { 20791 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 20792 return null; 20793 } catch (IOException ioe) { 20794 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 20795 return null; 20796 } 20797 } 20798 20799 /* 20800 * Update media status on PackageManager. 20801 */ 20802 @Override 20803 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 20804 int callingUid = Binder.getCallingUid(); 20805 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 20806 throw new SecurityException("Media status can only be updated by the system"); 20807 } 20808 // reader; this apparently protects mMediaMounted, but should probably 20809 // be a different lock in that case. 20810 synchronized (mPackages) { 20811 Log.i(TAG, "Updating external media status from " 20812 + (mMediaMounted ? "mounted" : "unmounted") + " to " 20813 + (mediaStatus ? "mounted" : "unmounted")); 20814 if (DEBUG_SD_INSTALL) 20815 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 20816 + ", mMediaMounted=" + mMediaMounted); 20817 if (mediaStatus == mMediaMounted) { 20818 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 20819 : 0, -1); 20820 mHandler.sendMessage(msg); 20821 return; 20822 } 20823 mMediaMounted = mediaStatus; 20824 } 20825 // Queue up an async operation since the package installation may take a 20826 // little while. 20827 mHandler.post(new Runnable() { 20828 public void run() { 20829 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 20830 } 20831 }); 20832 } 20833 20834 /** 20835 * Called by StorageManagerService when the initial ASECs to scan are available. 20836 * Should block until all the ASEC containers are finished being scanned. 20837 */ 20838 public void scanAvailableAsecs() { 20839 updateExternalMediaStatusInner(true, false, false); 20840 } 20841 20842 /* 20843 * Collect information of applications on external media, map them against 20844 * existing containers and update information based on current mount status. 20845 * Please note that we always have to report status if reportStatus has been 20846 * set to true especially when unloading packages. 20847 */ 20848 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 20849 boolean externalStorage) { 20850 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 20851 int[] uidArr = EmptyArray.INT; 20852 20853 final String[] list = PackageHelper.getSecureContainerList(); 20854 if (ArrayUtils.isEmpty(list)) { 20855 Log.i(TAG, "No secure containers found"); 20856 } else { 20857 // Process list of secure containers and categorize them 20858 // as active or stale based on their package internal state. 20859 20860 // reader 20861 synchronized (mPackages) { 20862 for (String cid : list) { 20863 // Leave stages untouched for now; installer service owns them 20864 if (PackageInstallerService.isStageName(cid)) continue; 20865 20866 if (DEBUG_SD_INSTALL) 20867 Log.i(TAG, "Processing container " + cid); 20868 String pkgName = getAsecPackageName(cid); 20869 if (pkgName == null) { 20870 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 20871 continue; 20872 } 20873 if (DEBUG_SD_INSTALL) 20874 Log.i(TAG, "Looking for pkg : " + pkgName); 20875 20876 final PackageSetting ps = mSettings.mPackages.get(pkgName); 20877 if (ps == null) { 20878 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 20879 continue; 20880 } 20881 20882 /* 20883 * Skip packages that are not external if we're unmounting 20884 * external storage. 20885 */ 20886 if (externalStorage && !isMounted && !isExternal(ps)) { 20887 continue; 20888 } 20889 20890 final AsecInstallArgs args = new AsecInstallArgs(cid, 20891 getAppDexInstructionSets(ps), ps.isForwardLocked()); 20892 // The package status is changed only if the code path 20893 // matches between settings and the container id. 20894 if (ps.codePathString != null 20895 && ps.codePathString.startsWith(args.getCodePath())) { 20896 if (DEBUG_SD_INSTALL) { 20897 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 20898 + " at code path: " + ps.codePathString); 20899 } 20900 20901 // We do have a valid package installed on sdcard 20902 processCids.put(args, ps.codePathString); 20903 final int uid = ps.appId; 20904 if (uid != -1) { 20905 uidArr = ArrayUtils.appendInt(uidArr, uid); 20906 } 20907 } else { 20908 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 20909 + ps.codePathString); 20910 } 20911 } 20912 } 20913 20914 Arrays.sort(uidArr); 20915 } 20916 20917 // Process packages with valid entries. 20918 if (isMounted) { 20919 if (DEBUG_SD_INSTALL) 20920 Log.i(TAG, "Loading packages"); 20921 loadMediaPackages(processCids, uidArr, externalStorage); 20922 startCleaningPackages(); 20923 mInstallerService.onSecureContainersAvailable(); 20924 } else { 20925 if (DEBUG_SD_INSTALL) 20926 Log.i(TAG, "Unloading packages"); 20927 unloadMediaPackages(processCids, uidArr, reportStatus); 20928 } 20929 } 20930 20931 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 20932 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 20933 final int size = infos.size(); 20934 final String[] packageNames = new String[size]; 20935 final int[] packageUids = new int[size]; 20936 for (int i = 0; i < size; i++) { 20937 final ApplicationInfo info = infos.get(i); 20938 packageNames[i] = info.packageName; 20939 packageUids[i] = info.uid; 20940 } 20941 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 20942 finishedReceiver); 20943 } 20944 20945 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 20946 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 20947 sendResourcesChangedBroadcast(mediaStatus, replacing, 20948 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 20949 } 20950 20951 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 20952 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 20953 int size = pkgList.length; 20954 if (size > 0) { 20955 // Send broadcasts here 20956 Bundle extras = new Bundle(); 20957 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 20958 if (uidArr != null) { 20959 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 20960 } 20961 if (replacing) { 20962 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 20963 } 20964 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 20965 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 20966 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 20967 } 20968 } 20969 20970 /* 20971 * Look at potentially valid container ids from processCids If package 20972 * information doesn't match the one on record or package scanning fails, 20973 * the cid is added to list of removeCids. We currently don't delete stale 20974 * containers. 20975 */ 20976 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 20977 boolean externalStorage) { 20978 ArrayList<String> pkgList = new ArrayList<String>(); 20979 Set<AsecInstallArgs> keys = processCids.keySet(); 20980 20981 for (AsecInstallArgs args : keys) { 20982 String codePath = processCids.get(args); 20983 if (DEBUG_SD_INSTALL) 20984 Log.i(TAG, "Loading container : " + args.cid); 20985 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 20986 try { 20987 // Make sure there are no container errors first. 20988 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 20989 Slog.e(TAG, "Failed to mount cid : " + args.cid 20990 + " when installing from sdcard"); 20991 continue; 20992 } 20993 // Check code path here. 20994 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 20995 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 20996 + " does not match one in settings " + codePath); 20997 continue; 20998 } 20999 // Parse package 21000 int parseFlags = mDefParseFlags; 21001 if (args.isExternalAsec()) { 21002 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 21003 } 21004 if (args.isFwdLocked()) { 21005 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 21006 } 21007 21008 synchronized (mInstallLock) { 21009 PackageParser.Package pkg = null; 21010 try { 21011 // Sadly we don't know the package name yet to freeze it 21012 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 21013 SCAN_IGNORE_FROZEN, 0, null); 21014 } catch (PackageManagerException e) { 21015 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 21016 } 21017 // Scan the package 21018 if (pkg != null) { 21019 /* 21020 * TODO why is the lock being held? doPostInstall is 21021 * called in other places without the lock. This needs 21022 * to be straightened out. 21023 */ 21024 // writer 21025 synchronized (mPackages) { 21026 retCode = PackageManager.INSTALL_SUCCEEDED; 21027 pkgList.add(pkg.packageName); 21028 // Post process args 21029 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 21030 pkg.applicationInfo.uid); 21031 } 21032 } else { 21033 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 21034 } 21035 } 21036 21037 } finally { 21038 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 21039 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 21040 } 21041 } 21042 } 21043 // writer 21044 synchronized (mPackages) { 21045 // If the platform SDK has changed since the last time we booted, 21046 // we need to re-grant app permission to catch any new ones that 21047 // appear. This is really a hack, and means that apps can in some 21048 // cases get permissions that the user didn't initially explicitly 21049 // allow... it would be nice to have some better way to handle 21050 // this situation. 21051 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 21052 : mSettings.getInternalVersion(); 21053 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 21054 : StorageManager.UUID_PRIVATE_INTERNAL; 21055 21056 int updateFlags = UPDATE_PERMISSIONS_ALL; 21057 if (ver.sdkVersion != mSdkVersion) { 21058 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21059 + mSdkVersion + "; regranting permissions for external"); 21060 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21061 } 21062 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21063 21064 // Yay, everything is now upgraded 21065 ver.forceCurrent(); 21066 21067 // can downgrade to reader 21068 // Persist settings 21069 mSettings.writeLPr(); 21070 } 21071 // Send a broadcast to let everyone know we are done processing 21072 if (pkgList.size() > 0) { 21073 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 21074 } 21075 } 21076 21077 /* 21078 * Utility method to unload a list of specified containers 21079 */ 21080 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 21081 // Just unmount all valid containers. 21082 for (AsecInstallArgs arg : cidArgs) { 21083 synchronized (mInstallLock) { 21084 arg.doPostDeleteLI(false); 21085 } 21086 } 21087 } 21088 21089 /* 21090 * Unload packages mounted on external media. This involves deleting package 21091 * data from internal structures, sending broadcasts about disabled packages, 21092 * gc'ing to free up references, unmounting all secure containers 21093 * corresponding to packages on external media, and posting a 21094 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 21095 * that we always have to post this message if status has been requested no 21096 * matter what. 21097 */ 21098 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 21099 final boolean reportStatus) { 21100 if (DEBUG_SD_INSTALL) 21101 Log.i(TAG, "unloading media packages"); 21102 ArrayList<String> pkgList = new ArrayList<String>(); 21103 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 21104 final Set<AsecInstallArgs> keys = processCids.keySet(); 21105 for (AsecInstallArgs args : keys) { 21106 String pkgName = args.getPackageName(); 21107 if (DEBUG_SD_INSTALL) 21108 Log.i(TAG, "Trying to unload pkg : " + pkgName); 21109 // Delete package internally 21110 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21111 synchronized (mInstallLock) { 21112 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21113 final boolean res; 21114 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 21115 "unloadMediaPackages")) { 21116 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 21117 null); 21118 } 21119 if (res) { 21120 pkgList.add(pkgName); 21121 } else { 21122 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 21123 failedList.add(args); 21124 } 21125 } 21126 } 21127 21128 // reader 21129 synchronized (mPackages) { 21130 // We didn't update the settings after removing each package; 21131 // write them now for all packages. 21132 mSettings.writeLPr(); 21133 } 21134 21135 // We have to absolutely send UPDATED_MEDIA_STATUS only 21136 // after confirming that all the receivers processed the ordered 21137 // broadcast when packages get disabled, force a gc to clean things up. 21138 // and unload all the containers. 21139 if (pkgList.size() > 0) { 21140 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 21141 new IIntentReceiver.Stub() { 21142 public void performReceive(Intent intent, int resultCode, String data, 21143 Bundle extras, boolean ordered, boolean sticky, 21144 int sendingUser) throws RemoteException { 21145 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 21146 reportStatus ? 1 : 0, 1, keys); 21147 mHandler.sendMessage(msg); 21148 } 21149 }); 21150 } else { 21151 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 21152 keys); 21153 mHandler.sendMessage(msg); 21154 } 21155 } 21156 21157 private void loadPrivatePackages(final VolumeInfo vol) { 21158 mHandler.post(new Runnable() { 21159 @Override 21160 public void run() { 21161 loadPrivatePackagesInner(vol); 21162 } 21163 }); 21164 } 21165 21166 private void loadPrivatePackagesInner(VolumeInfo vol) { 21167 final String volumeUuid = vol.fsUuid; 21168 if (TextUtils.isEmpty(volumeUuid)) { 21169 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 21170 return; 21171 } 21172 21173 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 21174 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 21175 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 21176 21177 final VersionInfo ver; 21178 final List<PackageSetting> packages; 21179 synchronized (mPackages) { 21180 ver = mSettings.findOrCreateVersion(volumeUuid); 21181 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21182 } 21183 21184 for (PackageSetting ps : packages) { 21185 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 21186 synchronized (mInstallLock) { 21187 final PackageParser.Package pkg; 21188 try { 21189 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 21190 loaded.add(pkg.applicationInfo); 21191 21192 } catch (PackageManagerException e) { 21193 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 21194 } 21195 21196 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 21197 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 21198 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 21199 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 21200 } 21201 } 21202 } 21203 21204 // Reconcile app data for all started/unlocked users 21205 final StorageManager sm = mContext.getSystemService(StorageManager.class); 21206 final UserManager um = mContext.getSystemService(UserManager.class); 21207 UserManagerInternal umInternal = getUserManagerInternal(); 21208 for (UserInfo user : um.getUsers()) { 21209 final int flags; 21210 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21211 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21212 } else if (umInternal.isUserRunning(user.id)) { 21213 flags = StorageManager.FLAG_STORAGE_DE; 21214 } else { 21215 continue; 21216 } 21217 21218 try { 21219 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 21220 synchronized (mInstallLock) { 21221 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 21222 } 21223 } catch (IllegalStateException e) { 21224 // Device was probably ejected, and we'll process that event momentarily 21225 Slog.w(TAG, "Failed to prepare storage: " + e); 21226 } 21227 } 21228 21229 synchronized (mPackages) { 21230 int updateFlags = UPDATE_PERMISSIONS_ALL; 21231 if (ver.sdkVersion != mSdkVersion) { 21232 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21233 + mSdkVersion + "; regranting permissions for " + volumeUuid); 21234 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21235 } 21236 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21237 21238 // Yay, everything is now upgraded 21239 ver.forceCurrent(); 21240 21241 mSettings.writeLPr(); 21242 } 21243 21244 for (PackageFreezer freezer : freezers) { 21245 freezer.close(); 21246 } 21247 21248 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21249 sendResourcesChangedBroadcast(true, false, loaded, null); 21250 } 21251 21252 private void unloadPrivatePackages(final VolumeInfo vol) { 21253 mHandler.post(new Runnable() { 21254 @Override 21255 public void run() { 21256 unloadPrivatePackagesInner(vol); 21257 } 21258 }); 21259 } 21260 21261 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21262 final String volumeUuid = vol.fsUuid; 21263 if (TextUtils.isEmpty(volumeUuid)) { 21264 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21265 return; 21266 } 21267 21268 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21269 synchronized (mInstallLock) { 21270 synchronized (mPackages) { 21271 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21272 for (PackageSetting ps : packages) { 21273 if (ps.pkg == null) continue; 21274 21275 final ApplicationInfo info = ps.pkg.applicationInfo; 21276 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21277 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21278 21279 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21280 "unloadPrivatePackagesInner")) { 21281 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21282 false, null)) { 21283 unloaded.add(info); 21284 } else { 21285 Slog.w(TAG, "Failed to unload " + ps.codePath); 21286 } 21287 } 21288 21289 // Try very hard to release any references to this package 21290 // so we don't risk the system server being killed due to 21291 // open FDs 21292 AttributeCache.instance().removePackage(ps.name); 21293 } 21294 21295 mSettings.writeLPr(); 21296 } 21297 } 21298 21299 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21300 sendResourcesChangedBroadcast(false, false, unloaded, null); 21301 21302 // Try very hard to release any references to this path so we don't risk 21303 // the system server being killed due to open FDs 21304 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21305 21306 for (int i = 0; i < 3; i++) { 21307 System.gc(); 21308 System.runFinalization(); 21309 } 21310 } 21311 21312 /** 21313 * Examine all users present on given mounted volume, and destroy data 21314 * belonging to users that are no longer valid, or whose user ID has been 21315 * recycled. 21316 */ 21317 private void reconcileUsers(String volumeUuid) { 21318 final List<File> files = new ArrayList<>(); 21319 Collections.addAll(files, FileUtils 21320 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 21321 Collections.addAll(files, FileUtils 21322 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 21323 Collections.addAll(files, FileUtils 21324 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 21325 Collections.addAll(files, FileUtils 21326 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 21327 Collections.addAll(files, FileUtils 21328 .listFilesOrEmpty(Environment.getDataMiscCeDirectory())); 21329 for (File file : files) { 21330 if (!file.isDirectory()) continue; 21331 21332 final int userId; 21333 final UserInfo info; 21334 try { 21335 userId = Integer.parseInt(file.getName()); 21336 info = sUserManager.getUserInfo(userId); 21337 } catch (NumberFormatException e) { 21338 Slog.w(TAG, "Invalid user directory " + file); 21339 continue; 21340 } 21341 21342 boolean destroyUser = false; 21343 if (info == null) { 21344 logCriticalInfo(Log.WARN, "Destroying user directory " + file 21345 + " because no matching user was found"); 21346 destroyUser = true; 21347 } else if (!mOnlyCore) { 21348 try { 21349 UserManagerService.enforceSerialNumber(file, info.serialNumber); 21350 } catch (IOException e) { 21351 logCriticalInfo(Log.WARN, "Destroying user directory " + file 21352 + " because we failed to enforce serial number: " + e); 21353 destroyUser = true; 21354 } 21355 } 21356 21357 if (destroyUser) { 21358 synchronized (mInstallLock) { 21359 mUserDataPreparer.destroyUserDataLI(volumeUuid, userId, 21360 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 21361 } 21362 } 21363 } 21364 } 21365 21366 private void assertPackageKnown(String volumeUuid, String packageName) 21367 throws PackageManagerException { 21368 synchronized (mPackages) { 21369 // Normalize package name to handle renamed packages 21370 packageName = normalizePackageNameLPr(packageName); 21371 21372 final PackageSetting ps = mSettings.mPackages.get(packageName); 21373 if (ps == null) { 21374 throw new PackageManagerException("Package " + packageName + " is unknown"); 21375 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21376 throw new PackageManagerException( 21377 "Package " + packageName + " found on unknown volume " + volumeUuid 21378 + "; expected volume " + ps.volumeUuid); 21379 } 21380 } 21381 } 21382 21383 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21384 throws PackageManagerException { 21385 synchronized (mPackages) { 21386 // Normalize package name to handle renamed packages 21387 packageName = normalizePackageNameLPr(packageName); 21388 21389 final PackageSetting ps = mSettings.mPackages.get(packageName); 21390 if (ps == null) { 21391 throw new PackageManagerException("Package " + packageName + " is unknown"); 21392 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21393 throw new PackageManagerException( 21394 "Package " + packageName + " found on unknown volume " + volumeUuid 21395 + "; expected volume " + ps.volumeUuid); 21396 } else if (!ps.getInstalled(userId)) { 21397 throw new PackageManagerException( 21398 "Package " + packageName + " not installed for user " + userId); 21399 } 21400 } 21401 } 21402 21403 private List<String> collectAbsoluteCodePaths() { 21404 synchronized (mPackages) { 21405 List<String> codePaths = new ArrayList<>(); 21406 final int packageCount = mSettings.mPackages.size(); 21407 for (int i = 0; i < packageCount; i++) { 21408 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21409 codePaths.add(ps.codePath.getAbsolutePath()); 21410 } 21411 return codePaths; 21412 } 21413 } 21414 21415 /** 21416 * Examine all apps present on given mounted volume, and destroy apps that 21417 * aren't expected, either due to uninstallation or reinstallation on 21418 * another volume. 21419 */ 21420 private void reconcileApps(String volumeUuid) { 21421 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21422 List<File> filesToDelete = null; 21423 21424 final File[] files = FileUtils.listFilesOrEmpty( 21425 Environment.getDataAppDirectory(volumeUuid)); 21426 for (File file : files) { 21427 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21428 && !PackageInstallerService.isStageName(file.getName()); 21429 if (!isPackage) { 21430 // Ignore entries which are not packages 21431 continue; 21432 } 21433 21434 String absolutePath = file.getAbsolutePath(); 21435 21436 boolean pathValid = false; 21437 final int absoluteCodePathCount = absoluteCodePaths.size(); 21438 for (int i = 0; i < absoluteCodePathCount; i++) { 21439 String absoluteCodePath = absoluteCodePaths.get(i); 21440 if (absolutePath.startsWith(absoluteCodePath)) { 21441 pathValid = true; 21442 break; 21443 } 21444 } 21445 21446 if (!pathValid) { 21447 if (filesToDelete == null) { 21448 filesToDelete = new ArrayList<>(); 21449 } 21450 filesToDelete.add(file); 21451 } 21452 } 21453 21454 if (filesToDelete != null) { 21455 final int fileToDeleteCount = filesToDelete.size(); 21456 for (int i = 0; i < fileToDeleteCount; i++) { 21457 File fileToDelete = filesToDelete.get(i); 21458 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 21459 synchronized (mInstallLock) { 21460 removeCodePathLI(fileToDelete); 21461 } 21462 } 21463 } 21464 } 21465 21466 /** 21467 * Reconcile all app data for the given user. 21468 * <p> 21469 * Verifies that directories exist and that ownership and labeling is 21470 * correct for all installed apps on all mounted volumes. 21471 */ 21472 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 21473 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21474 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21475 final String volumeUuid = vol.getFsUuid(); 21476 synchronized (mInstallLock) { 21477 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 21478 } 21479 } 21480 } 21481 21482 /** 21483 * Reconcile all app data on given mounted volume. 21484 * <p> 21485 * Destroys app data that isn't expected, either due to uninstallation or 21486 * reinstallation on another volume. 21487 * <p> 21488 * Verifies that directories exist and that ownership and labeling is 21489 * correct for all installed apps. 21490 */ 21491 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21492 boolean migrateAppData) { 21493 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 21494 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 21495 21496 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 21497 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 21498 21499 // First look for stale data that doesn't belong, and check if things 21500 // have changed since we did our last restorecon 21501 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21502 if (StorageManager.isFileEncryptedNativeOrEmulated() 21503 && !StorageManager.isUserKeyUnlocked(userId)) { 21504 throw new RuntimeException( 21505 "Yikes, someone asked us to reconcile CE storage while " + userId 21506 + " was still locked; this would have caused massive data loss!"); 21507 } 21508 21509 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 21510 for (File file : files) { 21511 final String packageName = file.getName(); 21512 try { 21513 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21514 } catch (PackageManagerException e) { 21515 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21516 try { 21517 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21518 StorageManager.FLAG_STORAGE_CE, 0); 21519 } catch (InstallerException e2) { 21520 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21521 } 21522 } 21523 } 21524 } 21525 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21526 final File[] files = FileUtils.listFilesOrEmpty(deDir); 21527 for (File file : files) { 21528 final String packageName = file.getName(); 21529 try { 21530 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21531 } catch (PackageManagerException e) { 21532 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21533 try { 21534 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21535 StorageManager.FLAG_STORAGE_DE, 0); 21536 } catch (InstallerException e2) { 21537 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21538 } 21539 } 21540 } 21541 } 21542 21543 // Ensure that data directories are ready to roll for all packages 21544 // installed for this volume and user 21545 final List<PackageSetting> packages; 21546 synchronized (mPackages) { 21547 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21548 } 21549 int preparedCount = 0; 21550 for (PackageSetting ps : packages) { 21551 final String packageName = ps.name; 21552 if (ps.pkg == null) { 21553 Slog.w(TAG, "Odd, missing scanned package " + packageName); 21554 // TODO: might be due to legacy ASEC apps; we should circle back 21555 // and reconcile again once they're scanned 21556 continue; 21557 } 21558 21559 if (ps.getInstalled(userId)) { 21560 prepareAppDataLIF(ps.pkg, userId, flags); 21561 21562 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 21563 // We may have just shuffled around app data directories, so 21564 // prepare them one more time 21565 prepareAppDataLIF(ps.pkg, userId, flags); 21566 } 21567 21568 preparedCount++; 21569 } 21570 } 21571 21572 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 21573 } 21574 21575 /** 21576 * Prepare app data for the given app just after it was installed or 21577 * upgraded. This method carefully only touches users that it's installed 21578 * for, and it forces a restorecon to handle any seinfo changes. 21579 * <p> 21580 * Verifies that directories exist and that ownership and labeling is 21581 * correct for all installed apps. If there is an ownership mismatch, it 21582 * will try recovering system apps by wiping data; third-party app data is 21583 * left intact. 21584 * <p> 21585 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 21586 */ 21587 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 21588 final PackageSetting ps; 21589 synchronized (mPackages) { 21590 ps = mSettings.mPackages.get(pkg.packageName); 21591 mSettings.writeKernelMappingLPr(ps); 21592 } 21593 21594 final UserManager um = mContext.getSystemService(UserManager.class); 21595 UserManagerInternal umInternal = getUserManagerInternal(); 21596 for (UserInfo user : um.getUsers()) { 21597 final int flags; 21598 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21599 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21600 } else if (umInternal.isUserRunning(user.id)) { 21601 flags = StorageManager.FLAG_STORAGE_DE; 21602 } else { 21603 continue; 21604 } 21605 21606 if (ps.getInstalled(user.id)) { 21607 // TODO: when user data is locked, mark that we're still dirty 21608 prepareAppDataLIF(pkg, user.id, flags); 21609 } 21610 } 21611 } 21612 21613 /** 21614 * Prepare app data for the given app. 21615 * <p> 21616 * Verifies that directories exist and that ownership and labeling is 21617 * correct for all installed apps. If there is an ownership mismatch, this 21618 * will try recovering system apps by wiping data; third-party app data is 21619 * left intact. 21620 */ 21621 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 21622 if (pkg == null) { 21623 Slog.wtf(TAG, "Package was null!", new Throwable()); 21624 return; 21625 } 21626 prepareAppDataLeafLIF(pkg, userId, flags); 21627 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21628 for (int i = 0; i < childCount; i++) { 21629 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 21630 } 21631 } 21632 21633 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21634 if (DEBUG_APP_DATA) { 21635 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 21636 + Integer.toHexString(flags)); 21637 } 21638 21639 final String volumeUuid = pkg.volumeUuid; 21640 final String packageName = pkg.packageName; 21641 final ApplicationInfo app = pkg.applicationInfo; 21642 final int appId = UserHandle.getAppId(app.uid); 21643 21644 Preconditions.checkNotNull(app.seinfo); 21645 21646 long ceDataInode = -1; 21647 try { 21648 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21649 appId, app.seinfo, app.targetSdkVersion); 21650 } catch (InstallerException e) { 21651 if (app.isSystemApp()) { 21652 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 21653 + ", but trying to recover: " + e); 21654 destroyAppDataLeafLIF(pkg, userId, flags); 21655 try { 21656 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21657 appId, app.seinfo, app.targetSdkVersion); 21658 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 21659 } catch (InstallerException e2) { 21660 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 21661 } 21662 } else { 21663 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 21664 } 21665 } 21666 21667 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 21668 // TODO: mark this structure as dirty so we persist it! 21669 synchronized (mPackages) { 21670 final PackageSetting ps = mSettings.mPackages.get(packageName); 21671 if (ps != null) { 21672 ps.setCeDataInode(ceDataInode, userId); 21673 } 21674 } 21675 } 21676 21677 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21678 } 21679 21680 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 21681 if (pkg == null) { 21682 Slog.wtf(TAG, "Package was null!", new Throwable()); 21683 return; 21684 } 21685 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21686 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21687 for (int i = 0; i < childCount; i++) { 21688 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 21689 } 21690 } 21691 21692 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21693 final String volumeUuid = pkg.volumeUuid; 21694 final String packageName = pkg.packageName; 21695 final ApplicationInfo app = pkg.applicationInfo; 21696 21697 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21698 // Create a native library symlink only if we have native libraries 21699 // and if the native libraries are 32 bit libraries. We do not provide 21700 // this symlink for 64 bit libraries. 21701 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 21702 final String nativeLibPath = app.nativeLibraryDir; 21703 try { 21704 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 21705 nativeLibPath, userId); 21706 } catch (InstallerException e) { 21707 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 21708 } 21709 } 21710 } 21711 } 21712 21713 /** 21714 * For system apps on non-FBE devices, this method migrates any existing 21715 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 21716 * requested by the app. 21717 */ 21718 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 21719 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 21720 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 21721 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 21722 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 21723 try { 21724 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 21725 storageTarget); 21726 } catch (InstallerException e) { 21727 logCriticalInfo(Log.WARN, 21728 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 21729 } 21730 return true; 21731 } else { 21732 return false; 21733 } 21734 } 21735 21736 public PackageFreezer freezePackage(String packageName, String killReason) { 21737 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 21738 } 21739 21740 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 21741 return new PackageFreezer(packageName, userId, killReason); 21742 } 21743 21744 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 21745 String killReason) { 21746 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 21747 } 21748 21749 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 21750 String killReason) { 21751 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 21752 return new PackageFreezer(); 21753 } else { 21754 return freezePackage(packageName, userId, killReason); 21755 } 21756 } 21757 21758 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 21759 String killReason) { 21760 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 21761 } 21762 21763 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 21764 String killReason) { 21765 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 21766 return new PackageFreezer(); 21767 } else { 21768 return freezePackage(packageName, userId, killReason); 21769 } 21770 } 21771 21772 /** 21773 * Class that freezes and kills the given package upon creation, and 21774 * unfreezes it upon closing. This is typically used when doing surgery on 21775 * app code/data to prevent the app from running while you're working. 21776 */ 21777 private class PackageFreezer implements AutoCloseable { 21778 private final String mPackageName; 21779 private final PackageFreezer[] mChildren; 21780 21781 private final boolean mWeFroze; 21782 21783 private final AtomicBoolean mClosed = new AtomicBoolean(); 21784 private final CloseGuard mCloseGuard = CloseGuard.get(); 21785 21786 /** 21787 * Create and return a stub freezer that doesn't actually do anything, 21788 * typically used when someone requested 21789 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 21790 * {@link PackageManager#DELETE_DONT_KILL_APP}. 21791 */ 21792 public PackageFreezer() { 21793 mPackageName = null; 21794 mChildren = null; 21795 mWeFroze = false; 21796 mCloseGuard.open("close"); 21797 } 21798 21799 public PackageFreezer(String packageName, int userId, String killReason) { 21800 synchronized (mPackages) { 21801 mPackageName = packageName; 21802 mWeFroze = mFrozenPackages.add(mPackageName); 21803 21804 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 21805 if (ps != null) { 21806 killApplication(ps.name, ps.appId, userId, killReason); 21807 } 21808 21809 final PackageParser.Package p = mPackages.get(packageName); 21810 if (p != null && p.childPackages != null) { 21811 final int N = p.childPackages.size(); 21812 mChildren = new PackageFreezer[N]; 21813 for (int i = 0; i < N; i++) { 21814 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 21815 userId, killReason); 21816 } 21817 } else { 21818 mChildren = null; 21819 } 21820 } 21821 mCloseGuard.open("close"); 21822 } 21823 21824 @Override 21825 protected void finalize() throws Throwable { 21826 try { 21827 mCloseGuard.warnIfOpen(); 21828 close(); 21829 } finally { 21830 super.finalize(); 21831 } 21832 } 21833 21834 @Override 21835 public void close() { 21836 mCloseGuard.close(); 21837 if (mClosed.compareAndSet(false, true)) { 21838 synchronized (mPackages) { 21839 if (mWeFroze) { 21840 mFrozenPackages.remove(mPackageName); 21841 } 21842 21843 if (mChildren != null) { 21844 for (PackageFreezer freezer : mChildren) { 21845 freezer.close(); 21846 } 21847 } 21848 } 21849 } 21850 } 21851 } 21852 21853 /** 21854 * Verify that given package is currently frozen. 21855 */ 21856 private void checkPackageFrozen(String packageName) { 21857 synchronized (mPackages) { 21858 if (!mFrozenPackages.contains(packageName)) { 21859 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 21860 } 21861 } 21862 } 21863 21864 @Override 21865 public int movePackage(final String packageName, final String volumeUuid) { 21866 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 21867 21868 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 21869 final int moveId = mNextMoveId.getAndIncrement(); 21870 mHandler.post(new Runnable() { 21871 @Override 21872 public void run() { 21873 try { 21874 movePackageInternal(packageName, volumeUuid, moveId, user); 21875 } catch (PackageManagerException e) { 21876 Slog.w(TAG, "Failed to move " + packageName, e); 21877 mMoveCallbacks.notifyStatusChanged(moveId, 21878 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 21879 } 21880 } 21881 }); 21882 return moveId; 21883 } 21884 21885 private void movePackageInternal(final String packageName, final String volumeUuid, 21886 final int moveId, UserHandle user) throws PackageManagerException { 21887 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21888 final PackageManager pm = mContext.getPackageManager(); 21889 21890 final boolean currentAsec; 21891 final String currentVolumeUuid; 21892 final File codeFile; 21893 final String installerPackageName; 21894 final String packageAbiOverride; 21895 final int appId; 21896 final String seinfo; 21897 final String label; 21898 final int targetSdkVersion; 21899 final PackageFreezer freezer; 21900 final int[] installedUserIds; 21901 21902 // reader 21903 synchronized (mPackages) { 21904 final PackageParser.Package pkg = mPackages.get(packageName); 21905 final PackageSetting ps = mSettings.mPackages.get(packageName); 21906 if (pkg == null || ps == null) { 21907 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 21908 } 21909 21910 if (pkg.applicationInfo.isSystemApp()) { 21911 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 21912 "Cannot move system application"); 21913 } 21914 21915 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 21916 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 21917 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 21918 if (isInternalStorage && !allow3rdPartyOnInternal) { 21919 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 21920 "3rd party apps are not allowed on internal storage"); 21921 } 21922 21923 if (pkg.applicationInfo.isExternalAsec()) { 21924 currentAsec = true; 21925 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 21926 } else if (pkg.applicationInfo.isForwardLocked()) { 21927 currentAsec = true; 21928 currentVolumeUuid = "forward_locked"; 21929 } else { 21930 currentAsec = false; 21931 currentVolumeUuid = ps.volumeUuid; 21932 21933 final File probe = new File(pkg.codePath); 21934 final File probeOat = new File(probe, "oat"); 21935 if (!probe.isDirectory() || !probeOat.isDirectory()) { 21936 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21937 "Move only supported for modern cluster style installs"); 21938 } 21939 } 21940 21941 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 21942 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21943 "Package already moved to " + volumeUuid); 21944 } 21945 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 21946 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 21947 "Device admin cannot be moved"); 21948 } 21949 21950 if (mFrozenPackages.contains(packageName)) { 21951 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 21952 "Failed to move already frozen package"); 21953 } 21954 21955 codeFile = new File(pkg.codePath); 21956 installerPackageName = ps.installerPackageName; 21957 packageAbiOverride = ps.cpuAbiOverrideString; 21958 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 21959 seinfo = pkg.applicationInfo.seinfo; 21960 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 21961 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 21962 freezer = freezePackage(packageName, "movePackageInternal"); 21963 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 21964 } 21965 21966 final Bundle extras = new Bundle(); 21967 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 21968 extras.putString(Intent.EXTRA_TITLE, label); 21969 mMoveCallbacks.notifyCreated(moveId, extras); 21970 21971 int installFlags; 21972 final boolean moveCompleteApp; 21973 final File measurePath; 21974 21975 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 21976 installFlags = INSTALL_INTERNAL; 21977 moveCompleteApp = !currentAsec; 21978 measurePath = Environment.getDataAppDirectory(volumeUuid); 21979 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 21980 installFlags = INSTALL_EXTERNAL; 21981 moveCompleteApp = false; 21982 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 21983 } else { 21984 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 21985 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 21986 || !volume.isMountedWritable()) { 21987 freezer.close(); 21988 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21989 "Move location not mounted private volume"); 21990 } 21991 21992 Preconditions.checkState(!currentAsec); 21993 21994 installFlags = INSTALL_INTERNAL; 21995 moveCompleteApp = true; 21996 measurePath = Environment.getDataAppDirectory(volumeUuid); 21997 } 21998 21999 final PackageStats stats = new PackageStats(null, -1); 22000 synchronized (mInstaller) { 22001 for (int userId : installedUserIds) { 22002 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22003 freezer.close(); 22004 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22005 "Failed to measure package size"); 22006 } 22007 } 22008 } 22009 22010 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22011 + stats.dataSize); 22012 22013 final long startFreeBytes = measurePath.getFreeSpace(); 22014 final long sizeBytes; 22015 if (moveCompleteApp) { 22016 sizeBytes = stats.codeSize + stats.dataSize; 22017 } else { 22018 sizeBytes = stats.codeSize; 22019 } 22020 22021 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22022 freezer.close(); 22023 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22024 "Not enough free space to move"); 22025 } 22026 22027 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22028 22029 final CountDownLatch installedLatch = new CountDownLatch(1); 22030 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22031 @Override 22032 public void onUserActionRequired(Intent intent) throws RemoteException { 22033 throw new IllegalStateException(); 22034 } 22035 22036 @Override 22037 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22038 Bundle extras) throws RemoteException { 22039 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22040 + PackageManager.installStatusToString(returnCode, msg)); 22041 22042 installedLatch.countDown(); 22043 freezer.close(); 22044 22045 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22046 switch (status) { 22047 case PackageInstaller.STATUS_SUCCESS: 22048 mMoveCallbacks.notifyStatusChanged(moveId, 22049 PackageManager.MOVE_SUCCEEDED); 22050 break; 22051 case PackageInstaller.STATUS_FAILURE_STORAGE: 22052 mMoveCallbacks.notifyStatusChanged(moveId, 22053 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22054 break; 22055 default: 22056 mMoveCallbacks.notifyStatusChanged(moveId, 22057 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22058 break; 22059 } 22060 } 22061 }; 22062 22063 final MoveInfo move; 22064 if (moveCompleteApp) { 22065 // Kick off a thread to report progress estimates 22066 new Thread() { 22067 @Override 22068 public void run() { 22069 while (true) { 22070 try { 22071 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22072 break; 22073 } 22074 } catch (InterruptedException ignored) { 22075 } 22076 22077 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 22078 final int progress = 10 + (int) MathUtils.constrain( 22079 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22080 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22081 } 22082 } 22083 }.start(); 22084 22085 final String dataAppName = codeFile.getName(); 22086 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22087 dataAppName, appId, seinfo, targetSdkVersion); 22088 } else { 22089 move = null; 22090 } 22091 22092 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22093 22094 final Message msg = mHandler.obtainMessage(INIT_COPY); 22095 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22096 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22097 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22098 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 22099 PackageManager.INSTALL_REASON_UNKNOWN); 22100 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22101 msg.obj = params; 22102 22103 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22104 System.identityHashCode(msg.obj)); 22105 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22106 System.identityHashCode(msg.obj)); 22107 22108 mHandler.sendMessage(msg); 22109 } 22110 22111 @Override 22112 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22113 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22114 22115 final int realMoveId = mNextMoveId.getAndIncrement(); 22116 final Bundle extras = new Bundle(); 22117 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22118 mMoveCallbacks.notifyCreated(realMoveId, extras); 22119 22120 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22121 @Override 22122 public void onCreated(int moveId, Bundle extras) { 22123 // Ignored 22124 } 22125 22126 @Override 22127 public void onStatusChanged(int moveId, int status, long estMillis) { 22128 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22129 } 22130 }; 22131 22132 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22133 storage.setPrimaryStorageUuid(volumeUuid, callback); 22134 return realMoveId; 22135 } 22136 22137 @Override 22138 public int getMoveStatus(int moveId) { 22139 mContext.enforceCallingOrSelfPermission( 22140 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22141 return mMoveCallbacks.mLastStatus.get(moveId); 22142 } 22143 22144 @Override 22145 public void registerMoveCallback(IPackageMoveObserver callback) { 22146 mContext.enforceCallingOrSelfPermission( 22147 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22148 mMoveCallbacks.register(callback); 22149 } 22150 22151 @Override 22152 public void unregisterMoveCallback(IPackageMoveObserver callback) { 22153 mContext.enforceCallingOrSelfPermission( 22154 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22155 mMoveCallbacks.unregister(callback); 22156 } 22157 22158 @Override 22159 public boolean setInstallLocation(int loc) { 22160 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 22161 null); 22162 if (getInstallLocation() == loc) { 22163 return true; 22164 } 22165 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 22166 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 22167 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 22168 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 22169 return true; 22170 } 22171 return false; 22172 } 22173 22174 @Override 22175 public int getInstallLocation() { 22176 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 22177 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 22178 PackageHelper.APP_INSTALL_AUTO); 22179 } 22180 22181 /** Called by UserManagerService */ 22182 void cleanUpUser(UserManagerService userManager, int userHandle) { 22183 synchronized (mPackages) { 22184 mDirtyUsers.remove(userHandle); 22185 mUserNeedsBadging.delete(userHandle); 22186 mSettings.removeUserLPw(userHandle); 22187 mPendingBroadcasts.remove(userHandle); 22188 mInstantAppRegistry.onUserRemovedLPw(userHandle); 22189 removeUnusedPackagesLPw(userManager, userHandle); 22190 } 22191 } 22192 22193 /** 22194 * We're removing userHandle and would like to remove any downloaded packages 22195 * that are no longer in use by any other user. 22196 * @param userHandle the user being removed 22197 */ 22198 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 22199 final boolean DEBUG_CLEAN_APKS = false; 22200 int [] users = userManager.getUserIds(); 22201 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 22202 while (psit.hasNext()) { 22203 PackageSetting ps = psit.next(); 22204 if (ps.pkg == null) { 22205 continue; 22206 } 22207 final String packageName = ps.pkg.packageName; 22208 // Skip over if system app 22209 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22210 continue; 22211 } 22212 if (DEBUG_CLEAN_APKS) { 22213 Slog.i(TAG, "Checking package " + packageName); 22214 } 22215 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 22216 if (keep) { 22217 if (DEBUG_CLEAN_APKS) { 22218 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 22219 } 22220 } else { 22221 for (int i = 0; i < users.length; i++) { 22222 if (users[i] != userHandle && ps.getInstalled(users[i])) { 22223 keep = true; 22224 if (DEBUG_CLEAN_APKS) { 22225 Slog.i(TAG, " Keeping package " + packageName + " for user " 22226 + users[i]); 22227 } 22228 break; 22229 } 22230 } 22231 } 22232 if (!keep) { 22233 if (DEBUG_CLEAN_APKS) { 22234 Slog.i(TAG, " Removing package " + packageName); 22235 } 22236 mHandler.post(new Runnable() { 22237 public void run() { 22238 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22239 userHandle, 0); 22240 } //end run 22241 }); 22242 } 22243 } 22244 } 22245 22246 /** Called by UserManagerService */ 22247 void createNewUser(int userId, String[] disallowedPackages) { 22248 synchronized (mInstallLock) { 22249 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 22250 } 22251 synchronized (mPackages) { 22252 scheduleWritePackageRestrictionsLocked(userId); 22253 scheduleWritePackageListLocked(userId); 22254 applyFactoryDefaultBrowserLPw(userId); 22255 primeDomainVerificationsLPw(userId); 22256 } 22257 } 22258 22259 void onNewUserCreated(final int userId) { 22260 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 22261 // If permission review for legacy apps is required, we represent 22262 // dagerous permissions for such apps as always granted runtime 22263 // permissions to keep per user flag state whether review is needed. 22264 // Hence, if a new user is added we have to propagate dangerous 22265 // permission grants for these legacy apps. 22266 if (mPermissionReviewRequired) { 22267 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 22268 | UPDATE_PERMISSIONS_REPLACE_ALL); 22269 } 22270 } 22271 22272 @Override 22273 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22274 mContext.enforceCallingOrSelfPermission( 22275 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22276 "Only package verification agents can read the verifier device identity"); 22277 22278 synchronized (mPackages) { 22279 return mSettings.getVerifierDeviceIdentityLPw(); 22280 } 22281 } 22282 22283 @Override 22284 public void setPermissionEnforced(String permission, boolean enforced) { 22285 // TODO: Now that we no longer change GID for storage, this should to away. 22286 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22287 "setPermissionEnforced"); 22288 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22289 synchronized (mPackages) { 22290 if (mSettings.mReadExternalStorageEnforced == null 22291 || mSettings.mReadExternalStorageEnforced != enforced) { 22292 mSettings.mReadExternalStorageEnforced = enforced; 22293 mSettings.writeLPr(); 22294 } 22295 } 22296 // kill any non-foreground processes so we restart them and 22297 // grant/revoke the GID. 22298 final IActivityManager am = ActivityManager.getService(); 22299 if (am != null) { 22300 final long token = Binder.clearCallingIdentity(); 22301 try { 22302 am.killProcessesBelowForeground("setPermissionEnforcement"); 22303 } catch (RemoteException e) { 22304 } finally { 22305 Binder.restoreCallingIdentity(token); 22306 } 22307 } 22308 } else { 22309 throw new IllegalArgumentException("No selective enforcement for " + permission); 22310 } 22311 } 22312 22313 @Override 22314 @Deprecated 22315 public boolean isPermissionEnforced(String permission) { 22316 return true; 22317 } 22318 22319 @Override 22320 public boolean isStorageLow() { 22321 final long token = Binder.clearCallingIdentity(); 22322 try { 22323 final DeviceStorageMonitorInternal 22324 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22325 if (dsm != null) { 22326 return dsm.isMemoryLow(); 22327 } else { 22328 return false; 22329 } 22330 } finally { 22331 Binder.restoreCallingIdentity(token); 22332 } 22333 } 22334 22335 @Override 22336 public IPackageInstaller getPackageInstaller() { 22337 return mInstallerService; 22338 } 22339 22340 private boolean userNeedsBadging(int userId) { 22341 int index = mUserNeedsBadging.indexOfKey(userId); 22342 if (index < 0) { 22343 final UserInfo userInfo; 22344 final long token = Binder.clearCallingIdentity(); 22345 try { 22346 userInfo = sUserManager.getUserInfo(userId); 22347 } finally { 22348 Binder.restoreCallingIdentity(token); 22349 } 22350 final boolean b; 22351 if (userInfo != null && userInfo.isManagedProfile()) { 22352 b = true; 22353 } else { 22354 b = false; 22355 } 22356 mUserNeedsBadging.put(userId, b); 22357 return b; 22358 } 22359 return mUserNeedsBadging.valueAt(index); 22360 } 22361 22362 @Override 22363 public KeySet getKeySetByAlias(String packageName, String alias) { 22364 if (packageName == null || alias == null) { 22365 return null; 22366 } 22367 synchronized(mPackages) { 22368 final PackageParser.Package pkg = mPackages.get(packageName); 22369 if (pkg == null) { 22370 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22371 throw new IllegalArgumentException("Unknown package: " + packageName); 22372 } 22373 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22374 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22375 } 22376 } 22377 22378 @Override 22379 public KeySet getSigningKeySet(String packageName) { 22380 if (packageName == null) { 22381 return null; 22382 } 22383 synchronized(mPackages) { 22384 final PackageParser.Package pkg = mPackages.get(packageName); 22385 if (pkg == null) { 22386 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22387 throw new IllegalArgumentException("Unknown package: " + packageName); 22388 } 22389 if (pkg.applicationInfo.uid != Binder.getCallingUid() 22390 && Process.SYSTEM_UID != Binder.getCallingUid()) { 22391 throw new SecurityException("May not access signing KeySet of other apps."); 22392 } 22393 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22394 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22395 } 22396 } 22397 22398 @Override 22399 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22400 if (packageName == null || ks == null) { 22401 return false; 22402 } 22403 synchronized(mPackages) { 22404 final PackageParser.Package pkg = mPackages.get(packageName); 22405 if (pkg == null) { 22406 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22407 throw new IllegalArgumentException("Unknown package: " + packageName); 22408 } 22409 IBinder ksh = ks.getToken(); 22410 if (ksh instanceof KeySetHandle) { 22411 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22412 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22413 } 22414 return false; 22415 } 22416 } 22417 22418 @Override 22419 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 22420 if (packageName == null || ks == null) { 22421 return false; 22422 } 22423 synchronized(mPackages) { 22424 final PackageParser.Package pkg = mPackages.get(packageName); 22425 if (pkg == null) { 22426 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22427 throw new IllegalArgumentException("Unknown package: " + packageName); 22428 } 22429 IBinder ksh = ks.getToken(); 22430 if (ksh instanceof KeySetHandle) { 22431 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22432 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22433 } 22434 return false; 22435 } 22436 } 22437 22438 private void deletePackageIfUnusedLPr(final String packageName) { 22439 PackageSetting ps = mSettings.mPackages.get(packageName); 22440 if (ps == null) { 22441 return; 22442 } 22443 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 22444 // TODO Implement atomic delete if package is unused 22445 // It is currently possible that the package will be deleted even if it is installed 22446 // after this method returns. 22447 mHandler.post(new Runnable() { 22448 public void run() { 22449 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22450 0, PackageManager.DELETE_ALL_USERS); 22451 } 22452 }); 22453 } 22454 } 22455 22456 /** 22457 * Check and throw if the given before/after packages would be considered a 22458 * downgrade. 22459 */ 22460 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 22461 throws PackageManagerException { 22462 if (after.versionCode < before.mVersionCode) { 22463 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22464 "Update version code " + after.versionCode + " is older than current " 22465 + before.mVersionCode); 22466 } else if (after.versionCode == before.mVersionCode) { 22467 if (after.baseRevisionCode < before.baseRevisionCode) { 22468 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22469 "Update base revision code " + after.baseRevisionCode 22470 + " is older than current " + before.baseRevisionCode); 22471 } 22472 22473 if (!ArrayUtils.isEmpty(after.splitNames)) { 22474 for (int i = 0; i < after.splitNames.length; i++) { 22475 final String splitName = after.splitNames[i]; 22476 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 22477 if (j != -1) { 22478 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 22479 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22480 "Update split " + splitName + " revision code " 22481 + after.splitRevisionCodes[i] + " is older than current " 22482 + before.splitRevisionCodes[j]); 22483 } 22484 } 22485 } 22486 } 22487 } 22488 } 22489 22490 private static class MoveCallbacks extends Handler { 22491 private static final int MSG_CREATED = 1; 22492 private static final int MSG_STATUS_CHANGED = 2; 22493 22494 private final RemoteCallbackList<IPackageMoveObserver> 22495 mCallbacks = new RemoteCallbackList<>(); 22496 22497 private final SparseIntArray mLastStatus = new SparseIntArray(); 22498 22499 public MoveCallbacks(Looper looper) { 22500 super(looper); 22501 } 22502 22503 public void register(IPackageMoveObserver callback) { 22504 mCallbacks.register(callback); 22505 } 22506 22507 public void unregister(IPackageMoveObserver callback) { 22508 mCallbacks.unregister(callback); 22509 } 22510 22511 @Override 22512 public void handleMessage(Message msg) { 22513 final SomeArgs args = (SomeArgs) msg.obj; 22514 final int n = mCallbacks.beginBroadcast(); 22515 for (int i = 0; i < n; i++) { 22516 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 22517 try { 22518 invokeCallback(callback, msg.what, args); 22519 } catch (RemoteException ignored) { 22520 } 22521 } 22522 mCallbacks.finishBroadcast(); 22523 args.recycle(); 22524 } 22525 22526 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 22527 throws RemoteException { 22528 switch (what) { 22529 case MSG_CREATED: { 22530 callback.onCreated(args.argi1, (Bundle) args.arg2); 22531 break; 22532 } 22533 case MSG_STATUS_CHANGED: { 22534 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 22535 break; 22536 } 22537 } 22538 } 22539 22540 private void notifyCreated(int moveId, Bundle extras) { 22541 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 22542 22543 final SomeArgs args = SomeArgs.obtain(); 22544 args.argi1 = moveId; 22545 args.arg2 = extras; 22546 obtainMessage(MSG_CREATED, args).sendToTarget(); 22547 } 22548 22549 private void notifyStatusChanged(int moveId, int status) { 22550 notifyStatusChanged(moveId, status, -1); 22551 } 22552 22553 private void notifyStatusChanged(int moveId, int status, long estMillis) { 22554 Slog.v(TAG, "Move " + moveId + " status " + status); 22555 22556 final SomeArgs args = SomeArgs.obtain(); 22557 args.argi1 = moveId; 22558 args.argi2 = status; 22559 args.arg3 = estMillis; 22560 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 22561 22562 synchronized (mLastStatus) { 22563 mLastStatus.put(moveId, status); 22564 } 22565 } 22566 } 22567 22568 private final static class OnPermissionChangeListeners extends Handler { 22569 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 22570 22571 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 22572 new RemoteCallbackList<>(); 22573 22574 public OnPermissionChangeListeners(Looper looper) { 22575 super(looper); 22576 } 22577 22578 @Override 22579 public void handleMessage(Message msg) { 22580 switch (msg.what) { 22581 case MSG_ON_PERMISSIONS_CHANGED: { 22582 final int uid = msg.arg1; 22583 handleOnPermissionsChanged(uid); 22584 } break; 22585 } 22586 } 22587 22588 public void addListenerLocked(IOnPermissionsChangeListener listener) { 22589 mPermissionListeners.register(listener); 22590 22591 } 22592 22593 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 22594 mPermissionListeners.unregister(listener); 22595 } 22596 22597 public void onPermissionsChanged(int uid) { 22598 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 22599 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 22600 } 22601 } 22602 22603 private void handleOnPermissionsChanged(int uid) { 22604 final int count = mPermissionListeners.beginBroadcast(); 22605 try { 22606 for (int i = 0; i < count; i++) { 22607 IOnPermissionsChangeListener callback = mPermissionListeners 22608 .getBroadcastItem(i); 22609 try { 22610 callback.onPermissionsChanged(uid); 22611 } catch (RemoteException e) { 22612 Log.e(TAG, "Permission listener is dead", e); 22613 } 22614 } 22615 } finally { 22616 mPermissionListeners.finishBroadcast(); 22617 } 22618 } 22619 } 22620 22621 private class PackageManagerInternalImpl extends PackageManagerInternal { 22622 @Override 22623 public void setLocationPackagesProvider(PackagesProvider provider) { 22624 synchronized (mPackages) { 22625 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 22626 } 22627 } 22628 22629 @Override 22630 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 22631 synchronized (mPackages) { 22632 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 22633 } 22634 } 22635 22636 @Override 22637 public void setSmsAppPackagesProvider(PackagesProvider provider) { 22638 synchronized (mPackages) { 22639 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 22640 } 22641 } 22642 22643 @Override 22644 public void setDialerAppPackagesProvider(PackagesProvider provider) { 22645 synchronized (mPackages) { 22646 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 22647 } 22648 } 22649 22650 @Override 22651 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 22652 synchronized (mPackages) { 22653 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 22654 } 22655 } 22656 22657 @Override 22658 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 22659 synchronized (mPackages) { 22660 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 22661 } 22662 } 22663 22664 @Override 22665 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 22666 synchronized (mPackages) { 22667 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 22668 packageName, userId); 22669 } 22670 } 22671 22672 @Override 22673 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 22674 synchronized (mPackages) { 22675 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 22676 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 22677 packageName, userId); 22678 } 22679 } 22680 22681 @Override 22682 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 22683 synchronized (mPackages) { 22684 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 22685 packageName, userId); 22686 } 22687 } 22688 22689 @Override 22690 public void setKeepUninstalledPackages(final List<String> packageList) { 22691 Preconditions.checkNotNull(packageList); 22692 List<String> removedFromList = null; 22693 synchronized (mPackages) { 22694 if (mKeepUninstalledPackages != null) { 22695 final int packagesCount = mKeepUninstalledPackages.size(); 22696 for (int i = 0; i < packagesCount; i++) { 22697 String oldPackage = mKeepUninstalledPackages.get(i); 22698 if (packageList != null && packageList.contains(oldPackage)) { 22699 continue; 22700 } 22701 if (removedFromList == null) { 22702 removedFromList = new ArrayList<>(); 22703 } 22704 removedFromList.add(oldPackage); 22705 } 22706 } 22707 mKeepUninstalledPackages = new ArrayList<>(packageList); 22708 if (removedFromList != null) { 22709 final int removedCount = removedFromList.size(); 22710 for (int i = 0; i < removedCount; i++) { 22711 deletePackageIfUnusedLPr(removedFromList.get(i)); 22712 } 22713 } 22714 } 22715 } 22716 22717 @Override 22718 public boolean isPermissionsReviewRequired(String packageName, int userId) { 22719 synchronized (mPackages) { 22720 // If we do not support permission review, done. 22721 if (!mPermissionReviewRequired) { 22722 return false; 22723 } 22724 22725 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 22726 if (packageSetting == null) { 22727 return false; 22728 } 22729 22730 // Permission review applies only to apps not supporting the new permission model. 22731 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 22732 return false; 22733 } 22734 22735 // Legacy apps have the permission and get user consent on launch. 22736 PermissionsState permissionsState = packageSetting.getPermissionsState(); 22737 return permissionsState.isPermissionReviewRequired(userId); 22738 } 22739 } 22740 22741 @Override 22742 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 22743 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 22744 } 22745 22746 @Override 22747 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 22748 int userId) { 22749 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 22750 } 22751 22752 @Override 22753 public void setDeviceAndProfileOwnerPackages( 22754 int deviceOwnerUserId, String deviceOwnerPackage, 22755 SparseArray<String> profileOwnerPackages) { 22756 mProtectedPackages.setDeviceAndProfileOwnerPackages( 22757 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 22758 } 22759 22760 @Override 22761 public boolean isPackageDataProtected(int userId, String packageName) { 22762 return mProtectedPackages.isPackageDataProtected(userId, packageName); 22763 } 22764 22765 @Override 22766 public boolean isPackageEphemeral(int userId, String packageName) { 22767 synchronized (mPackages) { 22768 PackageParser.Package p = mPackages.get(packageName); 22769 return p != null ? p.applicationInfo.isInstantApp() : false; 22770 } 22771 } 22772 22773 @Override 22774 public boolean wasPackageEverLaunched(String packageName, int userId) { 22775 synchronized (mPackages) { 22776 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 22777 } 22778 } 22779 22780 @Override 22781 public void grantRuntimePermission(String packageName, String name, int userId, 22782 boolean overridePolicy) { 22783 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 22784 overridePolicy); 22785 } 22786 22787 @Override 22788 public void revokeRuntimePermission(String packageName, String name, int userId, 22789 boolean overridePolicy) { 22790 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 22791 overridePolicy); 22792 } 22793 22794 @Override 22795 public String getNameForUid(int uid) { 22796 return PackageManagerService.this.getNameForUid(uid); 22797 } 22798 22799 @Override 22800 public void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 22801 Intent origIntent, String resolvedType, Intent launchIntent, 22802 String callingPackage, int userId) { 22803 PackageManagerService.this.requestEphemeralResolutionPhaseTwo( 22804 responseObj, origIntent, resolvedType, launchIntent, callingPackage, userId); 22805 } 22806 22807 @Override 22808 public void grantEphemeralAccess(int userId, Intent intent, 22809 int targetAppId, int ephemeralAppId) { 22810 synchronized (mPackages) { 22811 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 22812 targetAppId, ephemeralAppId); 22813 } 22814 } 22815 22816 @Override 22817 public void pruneInstantApps() { 22818 synchronized (mPackages) { 22819 mInstantAppRegistry.pruneInstantAppsLPw(); 22820 } 22821 } 22822 22823 @Override 22824 public String getSetupWizardPackageName() { 22825 return mSetupWizardPackage; 22826 } 22827 22828 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 22829 if (policy != null) { 22830 mExternalSourcesPolicy = policy; 22831 } 22832 } 22833 22834 @Override 22835 public List<PackageInfo> getOverlayPackages(int userId) { 22836 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 22837 synchronized (mPackages) { 22838 for (PackageParser.Package p : mPackages.values()) { 22839 if (p.mOverlayTarget != null) { 22840 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 22841 if (pkg != null) { 22842 overlayPackages.add(pkg); 22843 } 22844 } 22845 } 22846 } 22847 return overlayPackages; 22848 } 22849 22850 @Override 22851 public List<String> getTargetPackageNames(int userId) { 22852 List<String> targetPackages = new ArrayList<>(); 22853 synchronized (mPackages) { 22854 for (PackageParser.Package p : mPackages.values()) { 22855 if (p.mOverlayTarget == null) { 22856 targetPackages.add(p.packageName); 22857 } 22858 } 22859 } 22860 return targetPackages; 22861 } 22862 22863 22864 @Override 22865 public boolean setEnabledOverlayPackages(int userId, String targetPackageName, 22866 List<String> overlayPackageNames) { 22867 // TODO: implement when we integrate OMS properly 22868 return false; 22869 } 22870 } 22871 22872 @Override 22873 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 22874 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 22875 synchronized (mPackages) { 22876 final long identity = Binder.clearCallingIdentity(); 22877 try { 22878 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 22879 packageNames, userId); 22880 } finally { 22881 Binder.restoreCallingIdentity(identity); 22882 } 22883 } 22884 } 22885 22886 @Override 22887 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 22888 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 22889 synchronized (mPackages) { 22890 final long identity = Binder.clearCallingIdentity(); 22891 try { 22892 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServicesLPr( 22893 packageNames, userId); 22894 } finally { 22895 Binder.restoreCallingIdentity(identity); 22896 } 22897 } 22898 } 22899 22900 private static void enforceSystemOrPhoneCaller(String tag) { 22901 int callingUid = Binder.getCallingUid(); 22902 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 22903 throw new SecurityException( 22904 "Cannot call " + tag + " from UID " + callingUid); 22905 } 22906 } 22907 22908 boolean isHistoricalPackageUsageAvailable() { 22909 return mPackageUsage.isHistoricalPackageUsageAvailable(); 22910 } 22911 22912 /** 22913 * Return a <b>copy</b> of the collection of packages known to the package manager. 22914 * @return A copy of the values of mPackages. 22915 */ 22916 Collection<PackageParser.Package> getPackages() { 22917 synchronized (mPackages) { 22918 return new ArrayList<>(mPackages.values()); 22919 } 22920 } 22921 22922 /** 22923 * Logs process start information (including base APK hash) to the security log. 22924 * @hide 22925 */ 22926 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 22927 String apkFile, int pid) { 22928 if (!SecurityLog.isLoggingEnabled()) { 22929 return; 22930 } 22931 Bundle data = new Bundle(); 22932 data.putLong("startTimestamp", System.currentTimeMillis()); 22933 data.putString("processName", processName); 22934 data.putInt("uid", uid); 22935 data.putString("seinfo", seinfo); 22936 data.putString("apkFile", apkFile); 22937 data.putInt("pid", pid); 22938 Message msg = mProcessLoggingHandler.obtainMessage( 22939 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 22940 msg.setData(data); 22941 mProcessLoggingHandler.sendMessage(msg); 22942 } 22943 22944 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 22945 return mCompilerStats.getPackageStats(pkgName); 22946 } 22947 22948 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 22949 return getOrCreateCompilerPackageStats(pkg.packageName); 22950 } 22951 22952 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 22953 return mCompilerStats.getOrCreatePackageStats(pkgName); 22954 } 22955 22956 public void deleteCompilerPackageStats(String pkgName) { 22957 mCompilerStats.deletePackageStats(pkgName); 22958 } 22959 22960 @Override 22961 public int getInstallReason(String packageName, int userId) { 22962 enforceCrossUserPermission(Binder.getCallingUid(), userId, 22963 true /* requireFullPermission */, false /* checkShell */, 22964 "get install reason"); 22965 synchronized (mPackages) { 22966 final PackageSetting ps = mSettings.mPackages.get(packageName); 22967 if (ps != null) { 22968 return ps.getInstallReason(userId); 22969 } 22970 } 22971 return PackageManager.INSTALL_REASON_UNKNOWN; 22972 } 22973 22974 @Override 22975 public boolean canRequestPackageInstalls(String packageName, int userId) { 22976 int callingUid = Binder.getCallingUid(); 22977 int uid = getPackageUid(packageName, 0, userId); 22978 if (callingUid != uid && callingUid != Process.ROOT_UID 22979 && callingUid != Process.SYSTEM_UID) { 22980 throw new SecurityException( 22981 "Caller uid " + callingUid + " does not own package " + packageName); 22982 } 22983 ApplicationInfo info = getApplicationInfo(packageName, 0, userId); 22984 if (info == null) { 22985 return false; 22986 } 22987 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 22988 throw new UnsupportedOperationException( 22989 "Operation only supported on apps targeting Android O or higher"); 22990 } 22991 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 22992 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 22993 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 22994 throw new SecurityException("Need to declare " + appOpPermission + " to call this api"); 22995 } 22996 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 22997 return false; 22998 } 22999 if (mExternalSourcesPolicy != null) { 23000 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23001 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23002 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23003 } 23004 } 23005 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23006 } 23007} 23008