PackageManagerService.java revision 6130fb741c86d7d4f0f86e3a875c3eca1fe8aa51
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.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 40import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 45import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 46import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 47import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MATCH_ANY_USER; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_KNOWN_PACKAGES; 69import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 70import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 71import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 72import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 73import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 74import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 75import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 76import static android.content.pm.PackageManager.PERMISSION_DENIED; 77import static android.content.pm.PackageManager.PERMISSION_GRANTED; 78import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 79import static android.content.pm.PackageParser.isApkFile; 80import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 81import static android.system.OsConstants.O_CREAT; 82import static android.system.OsConstants.O_RDWR; 83 84import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 86import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 87import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 88import static com.android.internal.util.ArrayUtils.appendInt; 89import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 90import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 91import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 93import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 94import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 101 102import android.Manifest; 103import android.annotation.NonNull; 104import android.annotation.Nullable; 105import android.app.ActivityManager; 106import android.app.AppOpsManager; 107import android.app.IActivityManager; 108import android.app.ResourcesManager; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.content.BroadcastReceiver; 113import android.content.ComponentName; 114import android.content.ContentResolver; 115import android.content.Context; 116import android.content.IIntentReceiver; 117import android.content.Intent; 118import android.content.IntentFilter; 119import android.content.IntentSender; 120import android.content.IntentSender.SendIntentException; 121import android.content.ServiceConnection; 122import android.content.pm.ActivityInfo; 123import android.content.pm.ApplicationInfo; 124import android.content.pm.AppsQueryHelper; 125import android.content.pm.ComponentInfo; 126import android.content.pm.EphemeralApplicationInfo; 127import android.content.pm.EphemeralRequest; 128import android.content.pm.EphemeralResolveInfo; 129import android.content.pm.EphemeralResponse; 130import android.content.pm.FallbackCategoryProvider; 131import android.content.pm.FeatureInfo; 132import android.content.pm.IOnPermissionsChangeListener; 133import android.content.pm.IPackageDataObserver; 134import android.content.pm.IPackageDeleteObserver; 135import android.content.pm.IPackageDeleteObserver2; 136import android.content.pm.IPackageInstallObserver2; 137import android.content.pm.IPackageInstaller; 138import android.content.pm.IPackageManager; 139import android.content.pm.IPackageMoveObserver; 140import android.content.pm.IPackageStatsObserver; 141import android.content.pm.InstrumentationInfo; 142import android.content.pm.IntentFilterVerificationInfo; 143import android.content.pm.KeySet; 144import android.content.pm.PackageCleanItem; 145import android.content.pm.PackageInfo; 146import android.content.pm.PackageInfoLite; 147import android.content.pm.PackageInstaller; 148import android.content.pm.PackageManager; 149import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 150import android.content.pm.PackageManagerInternal; 151import android.content.pm.PackageParser; 152import android.content.pm.PackageParser.ActivityIntentInfo; 153import android.content.pm.PackageParser.PackageLite; 154import android.content.pm.PackageParser.PackageParserException; 155import android.content.pm.PackageStats; 156import android.content.pm.PackageUserState; 157import android.content.pm.ParceledListSlice; 158import android.content.pm.PermissionGroupInfo; 159import android.content.pm.PermissionInfo; 160import android.content.pm.ProviderInfo; 161import android.content.pm.ResolveInfo; 162import android.content.pm.ServiceInfo; 163import android.content.pm.Signature; 164import android.content.pm.UserInfo; 165import android.content.pm.VerifierDeviceIdentity; 166import android.content.pm.VerifierInfo; 167import android.content.res.Resources; 168import android.graphics.Bitmap; 169import android.hardware.display.DisplayManager; 170import android.net.Uri; 171import android.os.Binder; 172import android.os.Build; 173import android.os.Bundle; 174import android.os.Debug; 175import android.os.Environment; 176import android.os.Environment.UserEnvironment; 177import android.os.FileUtils; 178import android.os.Handler; 179import android.os.IBinder; 180import android.os.Looper; 181import android.os.Message; 182import android.os.Parcel; 183import android.os.ParcelFileDescriptor; 184import android.os.PatternMatcher; 185import android.os.Process; 186import android.os.RemoteCallbackList; 187import android.os.RemoteException; 188import android.os.ResultReceiver; 189import android.os.SELinux; 190import android.os.ServiceManager; 191import android.os.ShellCallback; 192import android.os.SystemClock; 193import android.os.SystemProperties; 194import android.os.Trace; 195import android.os.UserHandle; 196import android.os.UserManager; 197import android.os.UserManagerInternal; 198import android.os.storage.IStorageManager; 199import android.os.storage.StorageManagerInternal; 200import android.os.storage.StorageEventListener; 201import android.os.storage.StorageManager; 202import android.os.storage.VolumeInfo; 203import android.os.storage.VolumeRecord; 204import android.provider.Settings.Global; 205import android.provider.Settings.Secure; 206import android.security.KeyStore; 207import android.security.SystemKeyStore; 208import android.system.ErrnoException; 209import android.system.Os; 210import android.text.TextUtils; 211import android.text.format.DateUtils; 212import android.util.ArrayMap; 213import android.util.ArraySet; 214import android.util.Base64; 215import android.util.DisplayMetrics; 216import android.util.EventLog; 217import android.util.ExceptionUtils; 218import android.util.Log; 219import android.util.LogPrinter; 220import android.util.MathUtils; 221import android.util.Pair; 222import android.util.PrintStreamPrinter; 223import android.util.Slog; 224import android.util.SparseArray; 225import android.util.SparseBooleanArray; 226import android.util.SparseIntArray; 227import android.util.Xml; 228import android.util.jar.StrictJarFile; 229import android.view.Display; 230 231import com.android.internal.R; 232import com.android.internal.annotations.GuardedBy; 233import com.android.internal.app.IMediaContainerService; 234import com.android.internal.app.ResolverActivity; 235import com.android.internal.content.NativeLibraryHelper; 236import com.android.internal.content.PackageHelper; 237import com.android.internal.logging.MetricsLogger; 238import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 239import com.android.internal.os.IParcelFileDescriptorFactory; 240import com.android.internal.os.RoSystemProperties; 241import com.android.internal.os.SomeArgs; 242import com.android.internal.os.Zygote; 243import com.android.internal.telephony.CarrierAppUtils; 244import com.android.internal.util.ArrayUtils; 245import com.android.internal.util.FastPrintWriter; 246import com.android.internal.util.FastXmlSerializer; 247import com.android.internal.util.IndentingPrintWriter; 248import com.android.internal.util.Preconditions; 249import com.android.internal.util.XmlUtils; 250import com.android.server.AttributeCache; 251import com.android.server.EventLogTags; 252import com.android.server.FgThread; 253import com.android.server.IntentResolver; 254import com.android.server.LocalServices; 255import com.android.server.ServiceThread; 256import com.android.server.SystemConfig; 257import com.android.server.Watchdog; 258import com.android.server.net.NetworkPolicyManagerInternal; 259import com.android.server.pm.Installer.InstallerException; 260import com.android.server.pm.PermissionsState.PermissionState; 261import com.android.server.pm.Settings.DatabaseVersion; 262import com.android.server.pm.Settings.VersionInfo; 263import com.android.server.pm.dex.DexManager; 264import com.android.server.storage.DeviceStorageMonitorInternal; 265 266import dalvik.system.CloseGuard; 267import dalvik.system.DexFile; 268import dalvik.system.VMRuntime; 269 270import libcore.io.IoUtils; 271import libcore.util.EmptyArray; 272 273import org.xmlpull.v1.XmlPullParser; 274import org.xmlpull.v1.XmlPullParserException; 275import org.xmlpull.v1.XmlSerializer; 276 277import java.io.BufferedOutputStream; 278import java.io.BufferedReader; 279import java.io.ByteArrayInputStream; 280import java.io.ByteArrayOutputStream; 281import java.io.File; 282import java.io.FileDescriptor; 283import java.io.FileInputStream; 284import java.io.FileNotFoundException; 285import java.io.FileOutputStream; 286import java.io.FileReader; 287import java.io.FilenameFilter; 288import java.io.IOException; 289import java.io.PrintWriter; 290import java.nio.charset.StandardCharsets; 291import java.security.DigestInputStream; 292import java.security.MessageDigest; 293import java.security.NoSuchAlgorithmException; 294import java.security.PublicKey; 295import java.security.SecureRandom; 296import java.security.cert.Certificate; 297import java.security.cert.CertificateEncodingException; 298import java.security.cert.CertificateException; 299import java.text.SimpleDateFormat; 300import java.util.ArrayList; 301import java.util.Arrays; 302import java.util.Collection; 303import java.util.Collections; 304import java.util.Comparator; 305import java.util.Date; 306import java.util.HashSet; 307import java.util.HashMap; 308import java.util.Iterator; 309import java.util.List; 310import java.util.Map; 311import java.util.Objects; 312import java.util.Set; 313import java.util.concurrent.CountDownLatch; 314import java.util.concurrent.TimeUnit; 315import java.util.concurrent.atomic.AtomicBoolean; 316import java.util.concurrent.atomic.AtomicInteger; 317 318/** 319 * Keep track of all those APKs everywhere. 320 * <p> 321 * Internally there are two important locks: 322 * <ul> 323 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 324 * and other related state. It is a fine-grained lock that should only be held 325 * momentarily, as it's one of the most contended locks in the system. 326 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 327 * operations typically involve heavy lifting of application data on disk. Since 328 * {@code installd} is single-threaded, and it's operations can often be slow, 329 * this lock should never be acquired while already holding {@link #mPackages}. 330 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 331 * holding {@link #mInstallLock}. 332 * </ul> 333 * Many internal methods rely on the caller to hold the appropriate locks, and 334 * this contract is expressed through method name suffixes: 335 * <ul> 336 * <li>fooLI(): the caller must hold {@link #mInstallLock} 337 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 338 * being modified must be frozen 339 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 340 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 341 * </ul> 342 * <p> 343 * Because this class is very central to the platform's security; please run all 344 * CTS and unit tests whenever making modifications: 345 * 346 * <pre> 347 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 348 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 349 * </pre> 350 */ 351public class PackageManagerService extends IPackageManager.Stub { 352 static final String TAG = "PackageManager"; 353 static final boolean DEBUG_SETTINGS = false; 354 static final boolean DEBUG_PREFERRED = false; 355 static final boolean DEBUG_UPGRADE = false; 356 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 357 private static final boolean DEBUG_BACKUP = false; 358 private static final boolean DEBUG_INSTALL = false; 359 private static final boolean DEBUG_REMOVE = false; 360 private static final boolean DEBUG_BROADCASTS = false; 361 private static final boolean DEBUG_SHOW_INFO = false; 362 private static final boolean DEBUG_PACKAGE_INFO = false; 363 private static final boolean DEBUG_INTENT_MATCHING = false; 364 private static final boolean DEBUG_PACKAGE_SCANNING = false; 365 private static final boolean DEBUG_VERIFY = false; 366 private static final boolean DEBUG_FILTERS = false; 367 368 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 369 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 370 // user, but by default initialize to this. 371 static final boolean DEBUG_DEXOPT = false; 372 373 private static final boolean DEBUG_ABI_SELECTION = false; 374 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 375 private static final boolean DEBUG_TRIAGED_MISSING = false; 376 private static final boolean DEBUG_APP_DATA = false; 377 378 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 379 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 380 381 private static final boolean DISABLE_EPHEMERAL_APPS = false; 382 private static final boolean HIDE_EPHEMERAL_APIS = true; 383 384 private static final boolean ENABLE_QUOTA = 385 SystemProperties.getBoolean("persist.fw.quota", false); 386 387 private static final int RADIO_UID = Process.PHONE_UID; 388 private static final int LOG_UID = Process.LOG_UID; 389 private static final int NFC_UID = Process.NFC_UID; 390 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 391 private static final int SHELL_UID = Process.SHELL_UID; 392 393 // Cap the size of permission trees that 3rd party apps can define 394 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 395 396 // Suffix used during package installation when copying/moving 397 // package apks to install directory. 398 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 399 400 static final int SCAN_NO_DEX = 1<<1; 401 static final int SCAN_FORCE_DEX = 1<<2; 402 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 403 static final int SCAN_NEW_INSTALL = 1<<4; 404 static final int SCAN_UPDATE_TIME = 1<<5; 405 static final int SCAN_BOOTING = 1<<6; 406 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 407 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 408 static final int SCAN_REPLACING = 1<<9; 409 static final int SCAN_REQUIRE_KNOWN = 1<<10; 410 static final int SCAN_MOVE = 1<<11; 411 static final int SCAN_INITIAL = 1<<12; 412 static final int SCAN_CHECK_ONLY = 1<<13; 413 static final int SCAN_DONT_KILL_APP = 1<<14; 414 static final int SCAN_IGNORE_FROZEN = 1<<15; 415 static final int REMOVE_CHATTY = 1<<16; 416 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<17; 417 418 private static final int[] EMPTY_INT_ARRAY = new int[0]; 419 420 /** 421 * Timeout (in milliseconds) after which the watchdog should declare that 422 * our handler thread is wedged. The usual default for such things is one 423 * minute but we sometimes do very lengthy I/O operations on this thread, 424 * such as installing multi-gigabyte applications, so ours needs to be longer. 425 */ 426 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 427 428 /** 429 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 430 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 431 * settings entry if available, otherwise we use the hardcoded default. If it's been 432 * more than this long since the last fstrim, we force one during the boot sequence. 433 * 434 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 435 * one gets run at the next available charging+idle time. This final mandatory 436 * no-fstrim check kicks in only of the other scheduling criteria is never met. 437 */ 438 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 439 440 /** 441 * Whether verification is enabled by default. 442 */ 443 private static final boolean DEFAULT_VERIFY_ENABLE = true; 444 445 /** 446 * The default maximum time to wait for the verification agent to return in 447 * milliseconds. 448 */ 449 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 450 451 /** 452 * The default response for package verification timeout. 453 * 454 * This can be either PackageManager.VERIFICATION_ALLOW or 455 * PackageManager.VERIFICATION_REJECT. 456 */ 457 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 458 459 static final String PLATFORM_PACKAGE_NAME = "android"; 460 461 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 462 463 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 464 DEFAULT_CONTAINER_PACKAGE, 465 "com.android.defcontainer.DefaultContainerService"); 466 467 private static final String KILL_APP_REASON_GIDS_CHANGED = 468 "permission grant or revoke changed gids"; 469 470 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 471 "permissions revoked"; 472 473 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 474 475 private static final String PACKAGE_SCHEME = "package"; 476 477 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 478 /** 479 * If VENDOR_OVERLAY_THEME_PROPERTY is set, search for runtime resource overlay APKs also in 480 * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_THEME_PROPERTY> in addition to 481 * VENDOR_OVERLAY_DIR. 482 */ 483 private static final String VENDOR_OVERLAY_THEME_PROPERTY = "ro.boot.vendor.overlay.theme"; 484 /** 485 * Same as VENDOR_OVERLAY_THEME_PROPERTY, except persistent. If set will override whatever 486 * is in VENDOR_OVERLAY_THEME_PROPERTY. 487 */ 488 private static final String VENDOR_OVERLAY_THEME_PERSIST_PROPERTY 489 = "persist.vendor.overlay.theme"; 490 491 /** Permission grant: not grant the permission. */ 492 private static final int GRANT_DENIED = 1; 493 494 /** Permission grant: grant the permission as an install permission. */ 495 private static final int GRANT_INSTALL = 2; 496 497 /** Permission grant: grant the permission as a runtime one. */ 498 private static final int GRANT_RUNTIME = 3; 499 500 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 501 private static final int GRANT_UPGRADE = 4; 502 503 /** Canonical intent used to identify what counts as a "web browser" app */ 504 private static final Intent sBrowserIntent; 505 static { 506 sBrowserIntent = new Intent(); 507 sBrowserIntent.setAction(Intent.ACTION_VIEW); 508 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 509 sBrowserIntent.setData(Uri.parse("http:")); 510 } 511 512 /** 513 * The set of all protected actions [i.e. those actions for which a high priority 514 * intent filter is disallowed]. 515 */ 516 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 517 static { 518 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 519 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 520 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 521 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 522 } 523 524 // Compilation reasons. 525 public static final int REASON_FIRST_BOOT = 0; 526 public static final int REASON_BOOT = 1; 527 public static final int REASON_INSTALL = 2; 528 public static final int REASON_BACKGROUND_DEXOPT = 3; 529 public static final int REASON_AB_OTA = 4; 530 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 531 public static final int REASON_SHARED_APK = 6; 532 public static final int REASON_FORCED_DEXOPT = 7; 533 public static final int REASON_CORE_APP = 8; 534 535 public static final int REASON_LAST = REASON_CORE_APP; 536 537 /** Special library name that skips shared libraries check during compilation. */ 538 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 539 540 /** All dangerous permission names in the same order as the events in MetricsEvent */ 541 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 542 Manifest.permission.READ_CALENDAR, 543 Manifest.permission.WRITE_CALENDAR, 544 Manifest.permission.CAMERA, 545 Manifest.permission.READ_CONTACTS, 546 Manifest.permission.WRITE_CONTACTS, 547 Manifest.permission.GET_ACCOUNTS, 548 Manifest.permission.ACCESS_FINE_LOCATION, 549 Manifest.permission.ACCESS_COARSE_LOCATION, 550 Manifest.permission.RECORD_AUDIO, 551 Manifest.permission.READ_PHONE_STATE, 552 Manifest.permission.CALL_PHONE, 553 Manifest.permission.READ_CALL_LOG, 554 Manifest.permission.WRITE_CALL_LOG, 555 Manifest.permission.ADD_VOICEMAIL, 556 Manifest.permission.USE_SIP, 557 Manifest.permission.PROCESS_OUTGOING_CALLS, 558 Manifest.permission.READ_CELL_BROADCASTS, 559 Manifest.permission.BODY_SENSORS, 560 Manifest.permission.SEND_SMS, 561 Manifest.permission.RECEIVE_SMS, 562 Manifest.permission.READ_SMS, 563 Manifest.permission.RECEIVE_WAP_PUSH, 564 Manifest.permission.RECEIVE_MMS, 565 Manifest.permission.READ_EXTERNAL_STORAGE, 566 Manifest.permission.WRITE_EXTERNAL_STORAGE, 567 Manifest.permission.READ_PHONE_NUMBER); 568 569 570 /** 571 * Version number for the package parser cache. Increment this whenever the format or 572 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 573 */ 574 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 575 576 /** 577 * Whether the package parser cache is enabled. 578 */ 579 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 580 581 final ServiceThread mHandlerThread; 582 583 final PackageHandler mHandler; 584 585 private final ProcessLoggingHandler mProcessLoggingHandler; 586 587 /** 588 * Messages for {@link #mHandler} that need to wait for system ready before 589 * being dispatched. 590 */ 591 private ArrayList<Message> mPostSystemReadyMessages; 592 593 final int mSdkVersion = Build.VERSION.SDK_INT; 594 595 final Context mContext; 596 final boolean mFactoryTest; 597 final boolean mOnlyCore; 598 final DisplayMetrics mMetrics; 599 final int mDefParseFlags; 600 final String[] mSeparateProcesses; 601 final boolean mIsUpgrade; 602 final boolean mIsPreNUpgrade; 603 final boolean mIsPreNMR1Upgrade; 604 605 @GuardedBy("mPackages") 606 private boolean mDexOptDialogShown; 607 608 /** The location for ASEC container files on internal storage. */ 609 final String mAsecInternalPath; 610 611 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 612 // LOCK HELD. Can be called with mInstallLock held. 613 @GuardedBy("mInstallLock") 614 final Installer mInstaller; 615 616 /** Directory where installed third-party apps stored */ 617 final File mAppInstallDir; 618 final File mEphemeralInstallDir; 619 620 /** 621 * Directory to which applications installed internally have their 622 * 32 bit native libraries copied. 623 */ 624 private File mAppLib32InstallDir; 625 626 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 627 // apps. 628 final File mDrmAppPrivateInstallDir; 629 630 // ---------------------------------------------------------------- 631 632 // Lock for state used when installing and doing other long running 633 // operations. Methods that must be called with this lock held have 634 // the suffix "LI". 635 final Object mInstallLock = new Object(); 636 637 // ---------------------------------------------------------------- 638 639 // Keys are String (package name), values are Package. This also serves 640 // as the lock for the global state. Methods that must be called with 641 // this lock held have the prefix "LP". 642 @GuardedBy("mPackages") 643 final ArrayMap<String, PackageParser.Package> mPackages = 644 new ArrayMap<String, PackageParser.Package>(); 645 646 final ArrayMap<String, Set<String>> mKnownCodebase = 647 new ArrayMap<String, Set<String>>(); 648 649 // Tracks available target package names -> overlay package paths. 650 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 651 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 652 653 /** 654 * Tracks new system packages [received in an OTA] that we expect to 655 * find updated user-installed versions. Keys are package name, values 656 * are package location. 657 */ 658 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 659 /** 660 * Tracks high priority intent filters for protected actions. During boot, certain 661 * filter actions are protected and should never be allowed to have a high priority 662 * intent filter for them. However, there is one, and only one exception -- the 663 * setup wizard. It must be able to define a high priority intent filter for these 664 * actions to ensure there are no escapes from the wizard. We need to delay processing 665 * of these during boot as we need to look at all of the system packages in order 666 * to know which component is the setup wizard. 667 */ 668 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 669 /** 670 * Whether or not processing protected filters should be deferred. 671 */ 672 private boolean mDeferProtectedFilters = true; 673 674 /** 675 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 676 */ 677 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 678 /** 679 * Whether or not system app permissions should be promoted from install to runtime. 680 */ 681 boolean mPromoteSystemApps; 682 683 @GuardedBy("mPackages") 684 final Settings mSettings; 685 686 /** 687 * Set of package names that are currently "frozen", which means active 688 * surgery is being done on the code/data for that package. The platform 689 * will refuse to launch frozen packages to avoid race conditions. 690 * 691 * @see PackageFreezer 692 */ 693 @GuardedBy("mPackages") 694 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 695 696 final ProtectedPackages mProtectedPackages; 697 698 boolean mFirstBoot; 699 700 // System configuration read by SystemConfig. 701 final int[] mGlobalGids; 702 final SparseArray<ArraySet<String>> mSystemPermissions; 703 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 704 705 // If mac_permissions.xml was found for seinfo labeling. 706 boolean mFoundPolicyFile; 707 708 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 709 710 public static final class SharedLibraryEntry { 711 public final String path; 712 public final String apk; 713 714 SharedLibraryEntry(String _path, String _apk) { 715 path = _path; 716 apk = _apk; 717 } 718 } 719 720 // Currently known shared libraries. 721 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 722 new ArrayMap<String, SharedLibraryEntry>(); 723 724 // All available activities, for your resolving pleasure. 725 final ActivityIntentResolver mActivities = 726 new ActivityIntentResolver(); 727 728 // All available receivers, for your resolving pleasure. 729 final ActivityIntentResolver mReceivers = 730 new ActivityIntentResolver(); 731 732 // All available services, for your resolving pleasure. 733 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 734 735 // All available providers, for your resolving pleasure. 736 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 737 738 // Mapping from provider base names (first directory in content URI codePath) 739 // to the provider information. 740 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 741 new ArrayMap<String, PackageParser.Provider>(); 742 743 // Mapping from instrumentation class names to info about them. 744 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 745 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 746 747 // Mapping from permission names to info about them. 748 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 749 new ArrayMap<String, PackageParser.PermissionGroup>(); 750 751 // Packages whose data we have transfered into another package, thus 752 // should no longer exist. 753 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 754 755 // Broadcast actions that are only available to the system. 756 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 757 758 /** List of packages waiting for verification. */ 759 final SparseArray<PackageVerificationState> mPendingVerification 760 = new SparseArray<PackageVerificationState>(); 761 762 /** Set of packages associated with each app op permission. */ 763 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 764 765 final PackageInstallerService mInstallerService; 766 767 private final PackageDexOptimizer mPackageDexOptimizer; 768 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 769 // is used by other apps). 770 private final DexManager mDexManager; 771 772 private AtomicInteger mNextMoveId = new AtomicInteger(); 773 private final MoveCallbacks mMoveCallbacks; 774 775 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 776 777 // Cache of users who need badging. 778 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 779 780 /** Token for keys in mPendingVerification. */ 781 private int mPendingVerificationToken = 0; 782 783 volatile boolean mSystemReady; 784 volatile boolean mSafeMode; 785 volatile boolean mHasSystemUidErrors; 786 787 ApplicationInfo mAndroidApplication; 788 final ActivityInfo mResolveActivity = new ActivityInfo(); 789 final ResolveInfo mResolveInfo = new ResolveInfo(); 790 ComponentName mResolveComponentName; 791 PackageParser.Package mPlatformPackage; 792 ComponentName mCustomResolverComponentName; 793 794 boolean mResolverReplaced = false; 795 796 private final @Nullable ComponentName mIntentFilterVerifierComponent; 797 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 798 799 private int mIntentFilterVerificationToken = 0; 800 801 /** The service connection to the ephemeral resolver */ 802 final EphemeralResolverConnection mEphemeralResolverConnection; 803 804 /** Component used to install ephemeral applications */ 805 ComponentName mEphemeralInstallerComponent; 806 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 807 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 808 809 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 810 = new SparseArray<IntentFilterVerificationState>(); 811 812 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 813 814 // List of packages names to keep cached, even if they are uninstalled for all users 815 private List<String> mKeepUninstalledPackages; 816 817 private UserManagerInternal mUserManagerInternal; 818 819 private File mCacheDir; 820 821 private static class IFVerificationParams { 822 PackageParser.Package pkg; 823 boolean replacing; 824 int userId; 825 int verifierUid; 826 827 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 828 int _userId, int _verifierUid) { 829 pkg = _pkg; 830 replacing = _replacing; 831 userId = _userId; 832 replacing = _replacing; 833 verifierUid = _verifierUid; 834 } 835 } 836 837 private interface IntentFilterVerifier<T extends IntentFilter> { 838 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 839 T filter, String packageName); 840 void startVerifications(int userId); 841 void receiveVerificationResponse(int verificationId); 842 } 843 844 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 845 private Context mContext; 846 private ComponentName mIntentFilterVerifierComponent; 847 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 848 849 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 850 mContext = context; 851 mIntentFilterVerifierComponent = verifierComponent; 852 } 853 854 private String getDefaultScheme() { 855 return IntentFilter.SCHEME_HTTPS; 856 } 857 858 @Override 859 public void startVerifications(int userId) { 860 // Launch verifications requests 861 int count = mCurrentIntentFilterVerifications.size(); 862 for (int n=0; n<count; n++) { 863 int verificationId = mCurrentIntentFilterVerifications.get(n); 864 final IntentFilterVerificationState ivs = 865 mIntentFilterVerificationStates.get(verificationId); 866 867 String packageName = ivs.getPackageName(); 868 869 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 870 final int filterCount = filters.size(); 871 ArraySet<String> domainsSet = new ArraySet<>(); 872 for (int m=0; m<filterCount; m++) { 873 PackageParser.ActivityIntentInfo filter = filters.get(m); 874 domainsSet.addAll(filter.getHostsList()); 875 } 876 synchronized (mPackages) { 877 if (mSettings.createIntentFilterVerificationIfNeededLPw( 878 packageName, domainsSet) != null) { 879 scheduleWriteSettingsLocked(); 880 } 881 } 882 sendVerificationRequest(userId, verificationId, ivs); 883 } 884 mCurrentIntentFilterVerifications.clear(); 885 } 886 887 private void sendVerificationRequest(int userId, int verificationId, 888 IntentFilterVerificationState ivs) { 889 890 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 891 verificationIntent.putExtra( 892 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 893 verificationId); 894 verificationIntent.putExtra( 895 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 896 getDefaultScheme()); 897 verificationIntent.putExtra( 898 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 899 ivs.getHostsString()); 900 verificationIntent.putExtra( 901 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 902 ivs.getPackageName()); 903 verificationIntent.setComponent(mIntentFilterVerifierComponent); 904 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 905 906 UserHandle user = new UserHandle(userId); 907 mContext.sendBroadcastAsUser(verificationIntent, user); 908 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 909 "Sending IntentFilter verification broadcast"); 910 } 911 912 public void receiveVerificationResponse(int verificationId) { 913 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 914 915 final boolean verified = ivs.isVerified(); 916 917 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 918 final int count = filters.size(); 919 if (DEBUG_DOMAIN_VERIFICATION) { 920 Slog.i(TAG, "Received verification response " + verificationId 921 + " for " + count + " filters, verified=" + verified); 922 } 923 for (int n=0; n<count; n++) { 924 PackageParser.ActivityIntentInfo filter = filters.get(n); 925 filter.setVerified(verified); 926 927 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 928 + " verified with result:" + verified + " and hosts:" 929 + ivs.getHostsString()); 930 } 931 932 mIntentFilterVerificationStates.remove(verificationId); 933 934 final String packageName = ivs.getPackageName(); 935 IntentFilterVerificationInfo ivi = null; 936 937 synchronized (mPackages) { 938 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 939 } 940 if (ivi == null) { 941 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 942 + verificationId + " packageName:" + packageName); 943 return; 944 } 945 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 946 "Updating IntentFilterVerificationInfo for package " + packageName 947 +" verificationId:" + verificationId); 948 949 synchronized (mPackages) { 950 if (verified) { 951 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 952 } else { 953 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 954 } 955 scheduleWriteSettingsLocked(); 956 957 final int userId = ivs.getUserId(); 958 if (userId != UserHandle.USER_ALL) { 959 final int userStatus = 960 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 961 962 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 963 boolean needUpdate = false; 964 965 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 966 // already been set by the User thru the Disambiguation dialog 967 switch (userStatus) { 968 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 969 if (verified) { 970 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 971 } else { 972 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 973 } 974 needUpdate = true; 975 break; 976 977 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 978 if (verified) { 979 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 980 needUpdate = true; 981 } 982 break; 983 984 default: 985 // Nothing to do 986 } 987 988 if (needUpdate) { 989 mSettings.updateIntentFilterVerificationStatusLPw( 990 packageName, updatedStatus, userId); 991 scheduleWritePackageRestrictionsLocked(userId); 992 } 993 } 994 } 995 } 996 997 @Override 998 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 999 ActivityIntentInfo filter, String packageName) { 1000 if (!hasValidDomains(filter)) { 1001 return false; 1002 } 1003 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1004 if (ivs == null) { 1005 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1006 packageName); 1007 } 1008 if (DEBUG_DOMAIN_VERIFICATION) { 1009 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1010 } 1011 ivs.addFilter(filter); 1012 return true; 1013 } 1014 1015 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1016 int userId, int verificationId, String packageName) { 1017 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1018 verifierUid, userId, packageName); 1019 ivs.setPendingState(); 1020 synchronized (mPackages) { 1021 mIntentFilterVerificationStates.append(verificationId, ivs); 1022 mCurrentIntentFilterVerifications.add(verificationId); 1023 } 1024 return ivs; 1025 } 1026 } 1027 1028 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1029 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1030 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1031 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1032 } 1033 1034 // Set of pending broadcasts for aggregating enable/disable of components. 1035 static class PendingPackageBroadcasts { 1036 // for each user id, a map of <package name -> components within that package> 1037 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1038 1039 public PendingPackageBroadcasts() { 1040 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1041 } 1042 1043 public ArrayList<String> get(int userId, String packageName) { 1044 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1045 return packages.get(packageName); 1046 } 1047 1048 public void put(int userId, String packageName, ArrayList<String> components) { 1049 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1050 packages.put(packageName, components); 1051 } 1052 1053 public void remove(int userId, String packageName) { 1054 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1055 if (packages != null) { 1056 packages.remove(packageName); 1057 } 1058 } 1059 1060 public void remove(int userId) { 1061 mUidMap.remove(userId); 1062 } 1063 1064 public int userIdCount() { 1065 return mUidMap.size(); 1066 } 1067 1068 public int userIdAt(int n) { 1069 return mUidMap.keyAt(n); 1070 } 1071 1072 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1073 return mUidMap.get(userId); 1074 } 1075 1076 public int size() { 1077 // total number of pending broadcast entries across all userIds 1078 int num = 0; 1079 for (int i = 0; i< mUidMap.size(); i++) { 1080 num += mUidMap.valueAt(i).size(); 1081 } 1082 return num; 1083 } 1084 1085 public void clear() { 1086 mUidMap.clear(); 1087 } 1088 1089 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1090 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1091 if (map == null) { 1092 map = new ArrayMap<String, ArrayList<String>>(); 1093 mUidMap.put(userId, map); 1094 } 1095 return map; 1096 } 1097 } 1098 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1099 1100 // Service Connection to remote media container service to copy 1101 // package uri's from external media onto secure containers 1102 // or internal storage. 1103 private IMediaContainerService mContainerService = null; 1104 1105 static final int SEND_PENDING_BROADCAST = 1; 1106 static final int MCS_BOUND = 3; 1107 static final int END_COPY = 4; 1108 static final int INIT_COPY = 5; 1109 static final int MCS_UNBIND = 6; 1110 static final int START_CLEANING_PACKAGE = 7; 1111 static final int FIND_INSTALL_LOC = 8; 1112 static final int POST_INSTALL = 9; 1113 static final int MCS_RECONNECT = 10; 1114 static final int MCS_GIVE_UP = 11; 1115 static final int UPDATED_MEDIA_STATUS = 12; 1116 static final int WRITE_SETTINGS = 13; 1117 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1118 static final int PACKAGE_VERIFIED = 15; 1119 static final int CHECK_PENDING_VERIFICATION = 16; 1120 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1121 static final int INTENT_FILTER_VERIFIED = 18; 1122 static final int WRITE_PACKAGE_LIST = 19; 1123 static final int EPHEMERAL_RESOLUTION_PHASE_TWO = 20; 1124 1125 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1126 1127 // Delay time in millisecs 1128 static final int BROADCAST_DELAY = 10 * 1000; 1129 1130 static UserManagerService sUserManager; 1131 1132 // Stores a list of users whose package restrictions file needs to be updated 1133 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1134 1135 final private DefaultContainerConnection mDefContainerConn = 1136 new DefaultContainerConnection(); 1137 class DefaultContainerConnection implements ServiceConnection { 1138 public void onServiceConnected(ComponentName name, IBinder service) { 1139 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1140 final IMediaContainerService imcs = IMediaContainerService.Stub 1141 .asInterface(Binder.allowBlocking(service)); 1142 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1143 } 1144 1145 public void onServiceDisconnected(ComponentName name) { 1146 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1147 } 1148 } 1149 1150 // Recordkeeping of restore-after-install operations that are currently in flight 1151 // between the Package Manager and the Backup Manager 1152 static class PostInstallData { 1153 public InstallArgs args; 1154 public PackageInstalledInfo res; 1155 1156 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1157 args = _a; 1158 res = _r; 1159 } 1160 } 1161 1162 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1163 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1164 1165 // XML tags for backup/restore of various bits of state 1166 private static final String TAG_PREFERRED_BACKUP = "pa"; 1167 private static final String TAG_DEFAULT_APPS = "da"; 1168 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1169 1170 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1171 private static final String TAG_ALL_GRANTS = "rt-grants"; 1172 private static final String TAG_GRANT = "grant"; 1173 private static final String ATTR_PACKAGE_NAME = "pkg"; 1174 1175 private static final String TAG_PERMISSION = "perm"; 1176 private static final String ATTR_PERMISSION_NAME = "name"; 1177 private static final String ATTR_IS_GRANTED = "g"; 1178 private static final String ATTR_USER_SET = "set"; 1179 private static final String ATTR_USER_FIXED = "fixed"; 1180 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1181 1182 // System/policy permission grants are not backed up 1183 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1184 FLAG_PERMISSION_POLICY_FIXED 1185 | FLAG_PERMISSION_SYSTEM_FIXED 1186 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1187 1188 // And we back up these user-adjusted states 1189 private static final int USER_RUNTIME_GRANT_MASK = 1190 FLAG_PERMISSION_USER_SET 1191 | FLAG_PERMISSION_USER_FIXED 1192 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1193 1194 final @Nullable String mRequiredVerifierPackage; 1195 final @NonNull String mRequiredInstallerPackage; 1196 final @NonNull String mRequiredUninstallerPackage; 1197 final @Nullable String mSetupWizardPackage; 1198 final @Nullable String mStorageManagerPackage; 1199 final @NonNull String mServicesSystemSharedLibraryPackageName; 1200 final @NonNull String mSharedSystemSharedLibraryPackageName; 1201 1202 final boolean mPermissionReviewRequired; 1203 1204 private final PackageUsage mPackageUsage = new PackageUsage(); 1205 private final CompilerStats mCompilerStats = new CompilerStats(); 1206 1207 class PackageHandler extends Handler { 1208 private boolean mBound = false; 1209 final ArrayList<HandlerParams> mPendingInstalls = 1210 new ArrayList<HandlerParams>(); 1211 1212 private boolean connectToService() { 1213 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1214 " DefaultContainerService"); 1215 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1216 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1217 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1218 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1219 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1220 mBound = true; 1221 return true; 1222 } 1223 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1224 return false; 1225 } 1226 1227 private void disconnectService() { 1228 mContainerService = null; 1229 mBound = false; 1230 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1231 mContext.unbindService(mDefContainerConn); 1232 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1233 } 1234 1235 PackageHandler(Looper looper) { 1236 super(looper); 1237 } 1238 1239 public void handleMessage(Message msg) { 1240 try { 1241 doHandleMessage(msg); 1242 } finally { 1243 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1244 } 1245 } 1246 1247 void doHandleMessage(Message msg) { 1248 switch (msg.what) { 1249 case INIT_COPY: { 1250 HandlerParams params = (HandlerParams) msg.obj; 1251 int idx = mPendingInstalls.size(); 1252 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1253 // If a bind was already initiated we dont really 1254 // need to do anything. The pending install 1255 // will be processed later on. 1256 if (!mBound) { 1257 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1258 System.identityHashCode(mHandler)); 1259 // If this is the only one pending we might 1260 // have to bind to the service again. 1261 if (!connectToService()) { 1262 Slog.e(TAG, "Failed to bind to media container service"); 1263 params.serviceError(); 1264 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1265 System.identityHashCode(mHandler)); 1266 if (params.traceMethod != null) { 1267 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1268 params.traceCookie); 1269 } 1270 return; 1271 } else { 1272 // Once we bind to the service, the first 1273 // pending request will be processed. 1274 mPendingInstalls.add(idx, params); 1275 } 1276 } else { 1277 mPendingInstalls.add(idx, params); 1278 // Already bound to the service. Just make 1279 // sure we trigger off processing the first request. 1280 if (idx == 0) { 1281 mHandler.sendEmptyMessage(MCS_BOUND); 1282 } 1283 } 1284 break; 1285 } 1286 case MCS_BOUND: { 1287 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1288 if (msg.obj != null) { 1289 mContainerService = (IMediaContainerService) msg.obj; 1290 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1291 System.identityHashCode(mHandler)); 1292 } 1293 if (mContainerService == null) { 1294 if (!mBound) { 1295 // Something seriously wrong since we are not bound and we are not 1296 // waiting for connection. Bail out. 1297 Slog.e(TAG, "Cannot bind to media container service"); 1298 for (HandlerParams params : mPendingInstalls) { 1299 // Indicate service bind error 1300 params.serviceError(); 1301 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1302 System.identityHashCode(params)); 1303 if (params.traceMethod != null) { 1304 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1305 params.traceMethod, params.traceCookie); 1306 } 1307 return; 1308 } 1309 mPendingInstalls.clear(); 1310 } else { 1311 Slog.w(TAG, "Waiting to connect to media container service"); 1312 } 1313 } else if (mPendingInstalls.size() > 0) { 1314 HandlerParams params = mPendingInstalls.get(0); 1315 if (params != null) { 1316 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1317 System.identityHashCode(params)); 1318 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1319 if (params.startCopy()) { 1320 // We are done... look for more work or to 1321 // go idle. 1322 if (DEBUG_SD_INSTALL) Log.i(TAG, 1323 "Checking for more work or unbind..."); 1324 // Delete pending install 1325 if (mPendingInstalls.size() > 0) { 1326 mPendingInstalls.remove(0); 1327 } 1328 if (mPendingInstalls.size() == 0) { 1329 if (mBound) { 1330 if (DEBUG_SD_INSTALL) Log.i(TAG, 1331 "Posting delayed MCS_UNBIND"); 1332 removeMessages(MCS_UNBIND); 1333 Message ubmsg = obtainMessage(MCS_UNBIND); 1334 // Unbind after a little delay, to avoid 1335 // continual thrashing. 1336 sendMessageDelayed(ubmsg, 10000); 1337 } 1338 } else { 1339 // There are more pending requests in queue. 1340 // Just post MCS_BOUND message to trigger processing 1341 // of next pending install. 1342 if (DEBUG_SD_INSTALL) Log.i(TAG, 1343 "Posting MCS_BOUND for next work"); 1344 mHandler.sendEmptyMessage(MCS_BOUND); 1345 } 1346 } 1347 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1348 } 1349 } else { 1350 // Should never happen ideally. 1351 Slog.w(TAG, "Empty queue"); 1352 } 1353 break; 1354 } 1355 case MCS_RECONNECT: { 1356 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1357 if (mPendingInstalls.size() > 0) { 1358 if (mBound) { 1359 disconnectService(); 1360 } 1361 if (!connectToService()) { 1362 Slog.e(TAG, "Failed to bind to media container service"); 1363 for (HandlerParams params : mPendingInstalls) { 1364 // Indicate service bind error 1365 params.serviceError(); 1366 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1367 System.identityHashCode(params)); 1368 } 1369 mPendingInstalls.clear(); 1370 } 1371 } 1372 break; 1373 } 1374 case MCS_UNBIND: { 1375 // If there is no actual work left, then time to unbind. 1376 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1377 1378 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1379 if (mBound) { 1380 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1381 1382 disconnectService(); 1383 } 1384 } else if (mPendingInstalls.size() > 0) { 1385 // There are more pending requests in queue. 1386 // Just post MCS_BOUND message to trigger processing 1387 // of next pending install. 1388 mHandler.sendEmptyMessage(MCS_BOUND); 1389 } 1390 1391 break; 1392 } 1393 case MCS_GIVE_UP: { 1394 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1395 HandlerParams params = mPendingInstalls.remove(0); 1396 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1397 System.identityHashCode(params)); 1398 break; 1399 } 1400 case SEND_PENDING_BROADCAST: { 1401 String packages[]; 1402 ArrayList<String> components[]; 1403 int size = 0; 1404 int uids[]; 1405 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1406 synchronized (mPackages) { 1407 if (mPendingBroadcasts == null) { 1408 return; 1409 } 1410 size = mPendingBroadcasts.size(); 1411 if (size <= 0) { 1412 // Nothing to be done. Just return 1413 return; 1414 } 1415 packages = new String[size]; 1416 components = new ArrayList[size]; 1417 uids = new int[size]; 1418 int i = 0; // filling out the above arrays 1419 1420 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1421 int packageUserId = mPendingBroadcasts.userIdAt(n); 1422 Iterator<Map.Entry<String, ArrayList<String>>> it 1423 = mPendingBroadcasts.packagesForUserId(packageUserId) 1424 .entrySet().iterator(); 1425 while (it.hasNext() && i < size) { 1426 Map.Entry<String, ArrayList<String>> ent = it.next(); 1427 packages[i] = ent.getKey(); 1428 components[i] = ent.getValue(); 1429 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1430 uids[i] = (ps != null) 1431 ? UserHandle.getUid(packageUserId, ps.appId) 1432 : -1; 1433 i++; 1434 } 1435 } 1436 size = i; 1437 mPendingBroadcasts.clear(); 1438 } 1439 // Send broadcasts 1440 for (int i = 0; i < size; i++) { 1441 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1442 } 1443 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1444 break; 1445 } 1446 case START_CLEANING_PACKAGE: { 1447 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1448 final String packageName = (String)msg.obj; 1449 final int userId = msg.arg1; 1450 final boolean andCode = msg.arg2 != 0; 1451 synchronized (mPackages) { 1452 if (userId == UserHandle.USER_ALL) { 1453 int[] users = sUserManager.getUserIds(); 1454 for (int user : users) { 1455 mSettings.addPackageToCleanLPw( 1456 new PackageCleanItem(user, packageName, andCode)); 1457 } 1458 } else { 1459 mSettings.addPackageToCleanLPw( 1460 new PackageCleanItem(userId, packageName, andCode)); 1461 } 1462 } 1463 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1464 startCleaningPackages(); 1465 } break; 1466 case POST_INSTALL: { 1467 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1468 1469 PostInstallData data = mRunningInstalls.get(msg.arg1); 1470 final boolean didRestore = (msg.arg2 != 0); 1471 mRunningInstalls.delete(msg.arg1); 1472 1473 if (data != null) { 1474 InstallArgs args = data.args; 1475 PackageInstalledInfo parentRes = data.res; 1476 1477 final boolean grantPermissions = (args.installFlags 1478 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1479 final boolean killApp = (args.installFlags 1480 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1481 final String[] grantedPermissions = args.installGrantPermissions; 1482 1483 // Handle the parent package 1484 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1485 grantedPermissions, didRestore, args.installerPackageName, 1486 args.observer); 1487 1488 // Handle the child packages 1489 final int childCount = (parentRes.addedChildPackages != null) 1490 ? parentRes.addedChildPackages.size() : 0; 1491 for (int i = 0; i < childCount; i++) { 1492 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1493 handlePackagePostInstall(childRes, grantPermissions, killApp, 1494 grantedPermissions, false, args.installerPackageName, 1495 args.observer); 1496 } 1497 1498 // Log tracing if needed 1499 if (args.traceMethod != null) { 1500 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1501 args.traceCookie); 1502 } 1503 } else { 1504 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1505 } 1506 1507 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1508 } break; 1509 case UPDATED_MEDIA_STATUS: { 1510 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1511 boolean reportStatus = msg.arg1 == 1; 1512 boolean doGc = msg.arg2 == 1; 1513 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1514 if (doGc) { 1515 // Force a gc to clear up stale containers. 1516 Runtime.getRuntime().gc(); 1517 } 1518 if (msg.obj != null) { 1519 @SuppressWarnings("unchecked") 1520 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1521 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1522 // Unload containers 1523 unloadAllContainers(args); 1524 } 1525 if (reportStatus) { 1526 try { 1527 if (DEBUG_SD_INSTALL) Log.i(TAG, 1528 "Invoking StorageManagerService call back"); 1529 PackageHelper.getStorageManager().finishMediaUpdate(); 1530 } catch (RemoteException e) { 1531 Log.e(TAG, "StorageManagerService not running?"); 1532 } 1533 } 1534 } break; 1535 case WRITE_SETTINGS: { 1536 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1537 synchronized (mPackages) { 1538 removeMessages(WRITE_SETTINGS); 1539 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1540 mSettings.writeLPr(); 1541 mDirtyUsers.clear(); 1542 } 1543 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1544 } break; 1545 case WRITE_PACKAGE_RESTRICTIONS: { 1546 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1547 synchronized (mPackages) { 1548 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1549 for (int userId : mDirtyUsers) { 1550 mSettings.writePackageRestrictionsLPr(userId); 1551 } 1552 mDirtyUsers.clear(); 1553 } 1554 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1555 } break; 1556 case WRITE_PACKAGE_LIST: { 1557 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1558 synchronized (mPackages) { 1559 removeMessages(WRITE_PACKAGE_LIST); 1560 mSettings.writePackageListLPr(msg.arg1); 1561 } 1562 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1563 } break; 1564 case CHECK_PENDING_VERIFICATION: { 1565 final int verificationId = msg.arg1; 1566 final PackageVerificationState state = mPendingVerification.get(verificationId); 1567 1568 if ((state != null) && !state.timeoutExtended()) { 1569 final InstallArgs args = state.getInstallArgs(); 1570 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1571 1572 Slog.i(TAG, "Verification timed out for " + originUri); 1573 mPendingVerification.remove(verificationId); 1574 1575 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1576 1577 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1578 Slog.i(TAG, "Continuing with installation of " + originUri); 1579 state.setVerifierResponse(Binder.getCallingUid(), 1580 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1581 broadcastPackageVerified(verificationId, originUri, 1582 PackageManager.VERIFICATION_ALLOW, 1583 state.getInstallArgs().getUser()); 1584 try { 1585 ret = args.copyApk(mContainerService, true); 1586 } catch (RemoteException e) { 1587 Slog.e(TAG, "Could not contact the ContainerService"); 1588 } 1589 } else { 1590 broadcastPackageVerified(verificationId, originUri, 1591 PackageManager.VERIFICATION_REJECT, 1592 state.getInstallArgs().getUser()); 1593 } 1594 1595 Trace.asyncTraceEnd( 1596 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1597 1598 processPendingInstall(args, ret); 1599 mHandler.sendEmptyMessage(MCS_UNBIND); 1600 } 1601 break; 1602 } 1603 case PACKAGE_VERIFIED: { 1604 final int verificationId = msg.arg1; 1605 1606 final PackageVerificationState state = mPendingVerification.get(verificationId); 1607 if (state == null) { 1608 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1609 break; 1610 } 1611 1612 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1613 1614 state.setVerifierResponse(response.callerUid, response.code); 1615 1616 if (state.isVerificationComplete()) { 1617 mPendingVerification.remove(verificationId); 1618 1619 final InstallArgs args = state.getInstallArgs(); 1620 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1621 1622 int ret; 1623 if (state.isInstallAllowed()) { 1624 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1625 broadcastPackageVerified(verificationId, originUri, 1626 response.code, state.getInstallArgs().getUser()); 1627 try { 1628 ret = args.copyApk(mContainerService, true); 1629 } catch (RemoteException e) { 1630 Slog.e(TAG, "Could not contact the ContainerService"); 1631 } 1632 } else { 1633 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1634 } 1635 1636 Trace.asyncTraceEnd( 1637 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1638 1639 processPendingInstall(args, ret); 1640 mHandler.sendEmptyMessage(MCS_UNBIND); 1641 } 1642 1643 break; 1644 } 1645 case START_INTENT_FILTER_VERIFICATIONS: { 1646 IFVerificationParams params = (IFVerificationParams) msg.obj; 1647 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1648 params.replacing, params.pkg); 1649 break; 1650 } 1651 case INTENT_FILTER_VERIFIED: { 1652 final int verificationId = msg.arg1; 1653 1654 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1655 verificationId); 1656 if (state == null) { 1657 Slog.w(TAG, "Invalid IntentFilter verification token " 1658 + verificationId + " received"); 1659 break; 1660 } 1661 1662 final int userId = state.getUserId(); 1663 1664 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1665 "Processing IntentFilter verification with token:" 1666 + verificationId + " and userId:" + userId); 1667 1668 final IntentFilterVerificationResponse response = 1669 (IntentFilterVerificationResponse) msg.obj; 1670 1671 state.setVerifierResponse(response.callerUid, response.code); 1672 1673 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1674 "IntentFilter verification with token:" + verificationId 1675 + " and userId:" + userId 1676 + " is settings verifier response with response code:" 1677 + response.code); 1678 1679 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1680 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1681 + response.getFailedDomainsString()); 1682 } 1683 1684 if (state.isVerificationComplete()) { 1685 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1686 } else { 1687 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1688 "IntentFilter verification with token:" + verificationId 1689 + " was not said to be complete"); 1690 } 1691 1692 break; 1693 } 1694 case EPHEMERAL_RESOLUTION_PHASE_TWO: { 1695 EphemeralResolver.doEphemeralResolutionPhaseTwo(mContext, 1696 mEphemeralResolverConnection, 1697 (EphemeralRequest) msg.obj, 1698 mEphemeralInstallerActivity, 1699 mHandler); 1700 } 1701 } 1702 } 1703 } 1704 1705 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1706 boolean killApp, String[] grantedPermissions, 1707 boolean launchedForRestore, String installerPackage, 1708 IPackageInstallObserver2 installObserver) { 1709 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1710 // Send the removed broadcasts 1711 if (res.removedInfo != null) { 1712 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1713 } 1714 1715 // Now that we successfully installed the package, grant runtime 1716 // permissions if requested before broadcasting the install. Also 1717 // for legacy apps in permission review mode we clear the permission 1718 // review flag which is used to emulate runtime permissions for 1719 // legacy apps. 1720 if (grantPermissions) { 1721 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1722 } 1723 1724 final boolean update = res.removedInfo != null 1725 && res.removedInfo.removedPackage != null; 1726 1727 // If this is the first time we have child packages for a disabled privileged 1728 // app that had no children, we grant requested runtime permissions to the new 1729 // children if the parent on the system image had them already granted. 1730 if (res.pkg.parentPackage != null) { 1731 synchronized (mPackages) { 1732 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1733 } 1734 } 1735 1736 synchronized (mPackages) { 1737 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1738 } 1739 1740 final String packageName = res.pkg.applicationInfo.packageName; 1741 1742 // Determine the set of users who are adding this package for 1743 // the first time vs. those who are seeing an update. 1744 int[] firstUsers = EMPTY_INT_ARRAY; 1745 int[] updateUsers = EMPTY_INT_ARRAY; 1746 if (res.origUsers == null || res.origUsers.length == 0) { 1747 firstUsers = res.newUsers; 1748 } else { 1749 for (int newUser : res.newUsers) { 1750 boolean isNew = true; 1751 for (int origUser : res.origUsers) { 1752 if (origUser == newUser) { 1753 isNew = false; 1754 break; 1755 } 1756 } 1757 if (isNew) { 1758 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1759 } else { 1760 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1761 } 1762 } 1763 } 1764 1765 // Send installed broadcasts if the install/update is not ephemeral 1766 if (!isEphemeral(res.pkg)) { 1767 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1768 1769 // Send added for users that see the package for the first time 1770 // sendPackageAddedForNewUsers also deals with system apps 1771 int appId = UserHandle.getAppId(res.uid); 1772 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1773 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1774 1775 // Send added for users that don't see the package for the first time 1776 Bundle extras = new Bundle(1); 1777 extras.putInt(Intent.EXTRA_UID, res.uid); 1778 if (update) { 1779 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1780 } 1781 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1782 extras, 0 /*flags*/, null /*targetPackage*/, 1783 null /*finishedReceiver*/, updateUsers); 1784 1785 // Send replaced for users that don't see the package for the first time 1786 if (update) { 1787 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1788 packageName, extras, 0 /*flags*/, 1789 null /*targetPackage*/, null /*finishedReceiver*/, 1790 updateUsers); 1791 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1792 null /*package*/, null /*extras*/, 0 /*flags*/, 1793 packageName /*targetPackage*/, 1794 null /*finishedReceiver*/, updateUsers); 1795 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1796 // First-install and we did a restore, so we're responsible for the 1797 // first-launch broadcast. 1798 if (DEBUG_BACKUP) { 1799 Slog.i(TAG, "Post-restore of " + packageName 1800 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1801 } 1802 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1803 } 1804 1805 // Send broadcast package appeared if forward locked/external for all users 1806 // treat asec-hosted packages like removable media on upgrade 1807 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1808 if (DEBUG_INSTALL) { 1809 Slog.i(TAG, "upgrading pkg " + res.pkg 1810 + " is ASEC-hosted -> AVAILABLE"); 1811 } 1812 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1813 ArrayList<String> pkgList = new ArrayList<>(1); 1814 pkgList.add(packageName); 1815 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1816 } 1817 } 1818 1819 // Work that needs to happen on first install within each user 1820 if (firstUsers != null && firstUsers.length > 0) { 1821 synchronized (mPackages) { 1822 for (int userId : firstUsers) { 1823 // If this app is a browser and it's newly-installed for some 1824 // users, clear any default-browser state in those users. The 1825 // app's nature doesn't depend on the user, so we can just check 1826 // its browser nature in any user and generalize. 1827 if (packageIsBrowser(packageName, userId)) { 1828 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1829 } 1830 1831 // We may also need to apply pending (restored) runtime 1832 // permission grants within these users. 1833 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1834 } 1835 } 1836 } 1837 1838 // Log current value of "unknown sources" setting 1839 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1840 getUnknownSourcesSettings()); 1841 1842 // Force a gc to clear up things 1843 Runtime.getRuntime().gc(); 1844 1845 // Remove the replaced package's older resources safely now 1846 // We delete after a gc for applications on sdcard. 1847 if (res.removedInfo != null && res.removedInfo.args != null) { 1848 synchronized (mInstallLock) { 1849 res.removedInfo.args.doPostDeleteLI(true); 1850 } 1851 } 1852 } 1853 1854 // If someone is watching installs - notify them 1855 if (installObserver != null) { 1856 try { 1857 Bundle extras = extrasForInstallResult(res); 1858 installObserver.onPackageInstalled(res.name, res.returnCode, 1859 res.returnMsg, extras); 1860 } catch (RemoteException e) { 1861 Slog.i(TAG, "Observer no longer exists."); 1862 } 1863 } 1864 } 1865 1866 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1867 PackageParser.Package pkg) { 1868 if (pkg.parentPackage == null) { 1869 return; 1870 } 1871 if (pkg.requestedPermissions == null) { 1872 return; 1873 } 1874 final PackageSetting disabledSysParentPs = mSettings 1875 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1876 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1877 || !disabledSysParentPs.isPrivileged() 1878 || (disabledSysParentPs.childPackageNames != null 1879 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1880 return; 1881 } 1882 final int[] allUserIds = sUserManager.getUserIds(); 1883 final int permCount = pkg.requestedPermissions.size(); 1884 for (int i = 0; i < permCount; i++) { 1885 String permission = pkg.requestedPermissions.get(i); 1886 BasePermission bp = mSettings.mPermissions.get(permission); 1887 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1888 continue; 1889 } 1890 for (int userId : allUserIds) { 1891 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1892 permission, userId)) { 1893 grantRuntimePermission(pkg.packageName, permission, userId); 1894 } 1895 } 1896 } 1897 } 1898 1899 private StorageEventListener mStorageListener = new StorageEventListener() { 1900 @Override 1901 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1902 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1903 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1904 final String volumeUuid = vol.getFsUuid(); 1905 1906 // Clean up any users or apps that were removed or recreated 1907 // while this volume was missing 1908 reconcileUsers(volumeUuid); 1909 reconcileApps(volumeUuid); 1910 1911 // Clean up any install sessions that expired or were 1912 // cancelled while this volume was missing 1913 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1914 1915 loadPrivatePackages(vol); 1916 1917 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1918 unloadPrivatePackages(vol); 1919 } 1920 } 1921 1922 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1923 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1924 updateExternalMediaStatus(true, false); 1925 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1926 updateExternalMediaStatus(false, false); 1927 } 1928 } 1929 } 1930 1931 @Override 1932 public void onVolumeForgotten(String fsUuid) { 1933 if (TextUtils.isEmpty(fsUuid)) { 1934 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1935 return; 1936 } 1937 1938 // Remove any apps installed on the forgotten volume 1939 synchronized (mPackages) { 1940 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1941 for (PackageSetting ps : packages) { 1942 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1943 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1944 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1945 1946 // Try very hard to release any references to this package 1947 // so we don't risk the system server being killed due to 1948 // open FDs 1949 AttributeCache.instance().removePackage(ps.name); 1950 } 1951 1952 mSettings.onVolumeForgotten(fsUuid); 1953 mSettings.writeLPr(); 1954 } 1955 } 1956 }; 1957 1958 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1959 String[] grantedPermissions) { 1960 for (int userId : userIds) { 1961 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1962 } 1963 } 1964 1965 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1966 String[] grantedPermissions) { 1967 SettingBase sb = (SettingBase) pkg.mExtras; 1968 if (sb == null) { 1969 return; 1970 } 1971 1972 PermissionsState permissionsState = sb.getPermissionsState(); 1973 1974 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1975 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1976 1977 final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 1978 >= Build.VERSION_CODES.M; 1979 1980 for (String permission : pkg.requestedPermissions) { 1981 final BasePermission bp; 1982 synchronized (mPackages) { 1983 bp = mSettings.mPermissions.get(permission); 1984 } 1985 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1986 && (grantedPermissions == null 1987 || ArrayUtils.contains(grantedPermissions, permission))) { 1988 final int flags = permissionsState.getPermissionFlags(permission, userId); 1989 if (supportsRuntimePermissions) { 1990 // Installer cannot change immutable permissions. 1991 if ((flags & immutableFlags) == 0) { 1992 grantRuntimePermission(pkg.packageName, permission, userId); 1993 } 1994 } else if (mPermissionReviewRequired) { 1995 // In permission review mode we clear the review flag when we 1996 // are asked to install the app with all permissions granted. 1997 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 1998 updatePermissionFlags(permission, pkg.packageName, 1999 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, userId); 2000 } 2001 } 2002 } 2003 } 2004 } 2005 2006 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2007 Bundle extras = null; 2008 switch (res.returnCode) { 2009 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2010 extras = new Bundle(); 2011 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2012 res.origPermission); 2013 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2014 res.origPackage); 2015 break; 2016 } 2017 case PackageManager.INSTALL_SUCCEEDED: { 2018 extras = new Bundle(); 2019 extras.putBoolean(Intent.EXTRA_REPLACING, 2020 res.removedInfo != null && res.removedInfo.removedPackage != null); 2021 break; 2022 } 2023 } 2024 return extras; 2025 } 2026 2027 void scheduleWriteSettingsLocked() { 2028 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2029 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2030 } 2031 } 2032 2033 void scheduleWritePackageListLocked(int userId) { 2034 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2035 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2036 msg.arg1 = userId; 2037 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2038 } 2039 } 2040 2041 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2042 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2043 scheduleWritePackageRestrictionsLocked(userId); 2044 } 2045 2046 void scheduleWritePackageRestrictionsLocked(int userId) { 2047 final int[] userIds = (userId == UserHandle.USER_ALL) 2048 ? sUserManager.getUserIds() : new int[]{userId}; 2049 for (int nextUserId : userIds) { 2050 if (!sUserManager.exists(nextUserId)) return; 2051 mDirtyUsers.add(nextUserId); 2052 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2053 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2054 } 2055 } 2056 } 2057 2058 public static PackageManagerService main(Context context, Installer installer, 2059 boolean factoryTest, boolean onlyCore) { 2060 // Self-check for initial settings. 2061 PackageManagerServiceCompilerMapping.checkProperties(); 2062 2063 PackageManagerService m = new PackageManagerService(context, installer, 2064 factoryTest, onlyCore); 2065 m.enableSystemUserPackages(); 2066 ServiceManager.addService("package", m); 2067 return m; 2068 } 2069 2070 private void enableSystemUserPackages() { 2071 if (!UserManager.isSplitSystemUser()) { 2072 return; 2073 } 2074 // For system user, enable apps based on the following conditions: 2075 // - app is whitelisted or belong to one of these groups: 2076 // -- system app which has no launcher icons 2077 // -- system app which has INTERACT_ACROSS_USERS permission 2078 // -- system IME app 2079 // - app is not in the blacklist 2080 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2081 Set<String> enableApps = new ArraySet<>(); 2082 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2083 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2084 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2085 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2086 enableApps.addAll(wlApps); 2087 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2088 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2089 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2090 enableApps.removeAll(blApps); 2091 Log.i(TAG, "Applications installed for system user: " + enableApps); 2092 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2093 UserHandle.SYSTEM); 2094 final int allAppsSize = allAps.size(); 2095 synchronized (mPackages) { 2096 for (int i = 0; i < allAppsSize; i++) { 2097 String pName = allAps.get(i); 2098 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2099 // Should not happen, but we shouldn't be failing if it does 2100 if (pkgSetting == null) { 2101 continue; 2102 } 2103 boolean install = enableApps.contains(pName); 2104 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2105 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2106 + " for system user"); 2107 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2108 } 2109 } 2110 } 2111 } 2112 2113 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2114 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2115 Context.DISPLAY_SERVICE); 2116 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2117 } 2118 2119 /** 2120 * Requests that files preopted on a secondary system partition be copied to the data partition 2121 * if possible. Note that the actual copying of the files is accomplished by init for security 2122 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2123 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2124 */ 2125 private static void requestCopyPreoptedFiles() { 2126 final int WAIT_TIME_MS = 100; 2127 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2128 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2129 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2130 // We will wait for up to 100 seconds. 2131 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2132 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2133 try { 2134 Thread.sleep(WAIT_TIME_MS); 2135 } catch (InterruptedException e) { 2136 // Do nothing 2137 } 2138 if (SystemClock.uptimeMillis() > timeEnd) { 2139 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2140 Slog.wtf(TAG, "cppreopt did not finish!"); 2141 break; 2142 } 2143 } 2144 } 2145 } 2146 2147 public PackageManagerService(Context context, Installer installer, 2148 boolean factoryTest, boolean onlyCore) { 2149 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2150 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2151 SystemClock.uptimeMillis()); 2152 2153 if (mSdkVersion <= 0) { 2154 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2155 } 2156 2157 mContext = context; 2158 2159 mPermissionReviewRequired = context.getResources().getBoolean( 2160 R.bool.config_permissionReviewRequired); 2161 2162 mFactoryTest = factoryTest; 2163 mOnlyCore = onlyCore; 2164 mMetrics = new DisplayMetrics(); 2165 mSettings = new Settings(mPackages); 2166 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2167 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2168 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2169 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2170 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2171 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2172 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2173 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2174 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2175 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2176 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2177 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2178 2179 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2180 if (separateProcesses != null && separateProcesses.length() > 0) { 2181 if ("*".equals(separateProcesses)) { 2182 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2183 mSeparateProcesses = null; 2184 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2185 } else { 2186 mDefParseFlags = 0; 2187 mSeparateProcesses = separateProcesses.split(","); 2188 Slog.w(TAG, "Running with debug.separate_processes: " 2189 + separateProcesses); 2190 } 2191 } else { 2192 mDefParseFlags = 0; 2193 mSeparateProcesses = null; 2194 } 2195 2196 mInstaller = installer; 2197 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2198 "*dexopt*"); 2199 mDexManager = new DexManager(); 2200 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2201 2202 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2203 FgThread.get().getLooper()); 2204 2205 getDefaultDisplayMetrics(context, mMetrics); 2206 2207 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2208 SystemConfig systemConfig = SystemConfig.getInstance(); 2209 mGlobalGids = systemConfig.getGlobalGids(); 2210 mSystemPermissions = systemConfig.getSystemPermissions(); 2211 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2212 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2213 2214 mProtectedPackages = new ProtectedPackages(mContext); 2215 2216 synchronized (mInstallLock) { 2217 // writer 2218 synchronized (mPackages) { 2219 mHandlerThread = new ServiceThread(TAG, 2220 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2221 mHandlerThread.start(); 2222 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2223 mProcessLoggingHandler = new ProcessLoggingHandler(); 2224 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2225 2226 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2227 2228 File dataDir = Environment.getDataDirectory(); 2229 mAppInstallDir = new File(dataDir, "app"); 2230 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2231 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2232 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2233 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2234 2235 sUserManager = new UserManagerService(context, this, mPackages); 2236 2237 // Propagate permission configuration in to package manager. 2238 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2239 = systemConfig.getPermissions(); 2240 for (int i=0; i<permConfig.size(); i++) { 2241 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2242 BasePermission bp = mSettings.mPermissions.get(perm.name); 2243 if (bp == null) { 2244 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2245 mSettings.mPermissions.put(perm.name, bp); 2246 } 2247 if (perm.gids != null) { 2248 bp.setGids(perm.gids, perm.perUser); 2249 } 2250 } 2251 2252 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2253 for (int i=0; i<libConfig.size(); i++) { 2254 mSharedLibraries.put(libConfig.keyAt(i), 2255 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2256 } 2257 2258 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2259 2260 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2261 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2262 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2263 2264 // Clean up orphaned packages for which the code path doesn't exist 2265 // and they are an update to a system app - caused by bug/32321269 2266 final int packageSettingCount = mSettings.mPackages.size(); 2267 for (int i = packageSettingCount - 1; i >= 0; i--) { 2268 PackageSetting ps = mSettings.mPackages.valueAt(i); 2269 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2270 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2271 mSettings.mPackages.removeAt(i); 2272 mSettings.enableSystemPackageLPw(ps.name); 2273 } 2274 } 2275 2276 if (mFirstBoot) { 2277 requestCopyPreoptedFiles(); 2278 } 2279 2280 String customResolverActivity = Resources.getSystem().getString( 2281 R.string.config_customResolverActivity); 2282 if (TextUtils.isEmpty(customResolverActivity)) { 2283 customResolverActivity = null; 2284 } else { 2285 mCustomResolverComponentName = ComponentName.unflattenFromString( 2286 customResolverActivity); 2287 } 2288 2289 long startTime = SystemClock.uptimeMillis(); 2290 2291 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2292 startTime); 2293 2294 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2295 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2296 2297 if (bootClassPath == null) { 2298 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2299 } 2300 2301 if (systemServerClassPath == null) { 2302 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2303 } 2304 2305 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2306 final String[] dexCodeInstructionSets = 2307 getDexCodeInstructionSets( 2308 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2309 2310 /** 2311 * Ensure all external libraries have had dexopt run on them. 2312 */ 2313 if (mSharedLibraries.size() > 0) { 2314 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2315 // NOTE: For now, we're compiling these system "shared libraries" 2316 // (and framework jars) into all available architectures. It's possible 2317 // to compile them only when we come across an app that uses them (there's 2318 // already logic for that in scanPackageLI) but that adds some complexity. 2319 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2320 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2321 final String lib = libEntry.path; 2322 if (lib == null) { 2323 continue; 2324 } 2325 2326 try { 2327 // Shared libraries do not have profiles so we perform a full 2328 // AOT compilation (if needed). 2329 int dexoptNeeded = DexFile.getDexOptNeeded( 2330 lib, dexCodeInstructionSet, 2331 getCompilerFilterForReason(REASON_SHARED_APK), 2332 false /* newProfile */); 2333 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2334 mInstaller.dexopt(lib, Process.SYSTEM_UID, "*", 2335 dexCodeInstructionSet, dexoptNeeded, null, 2336 DEXOPT_PUBLIC, 2337 getCompilerFilterForReason(REASON_SHARED_APK), 2338 StorageManager.UUID_PRIVATE_INTERNAL, 2339 SKIP_SHARED_LIBRARY_CHECK); 2340 } 2341 } catch (FileNotFoundException e) { 2342 Slog.w(TAG, "Library not found: " + lib); 2343 } catch (IOException | InstallerException e) { 2344 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2345 + e.getMessage()); 2346 } 2347 } 2348 } 2349 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2350 } 2351 2352 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2353 2354 final VersionInfo ver = mSettings.getInternalVersion(); 2355 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2356 2357 // when upgrading from pre-M, promote system app permissions from install to runtime 2358 mPromoteSystemApps = 2359 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2360 2361 // When upgrading from pre-N, we need to handle package extraction like first boot, 2362 // as there is no profiling data available. 2363 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2364 2365 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2366 2367 // save off the names of pre-existing system packages prior to scanning; we don't 2368 // want to automatically grant runtime permissions for new system apps 2369 if (mPromoteSystemApps) { 2370 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2371 while (pkgSettingIter.hasNext()) { 2372 PackageSetting ps = pkgSettingIter.next(); 2373 if (isSystemApp(ps)) { 2374 mExistingSystemPackages.add(ps.name); 2375 } 2376 } 2377 } 2378 2379 mCacheDir = preparePackageParserCache(mIsUpgrade); 2380 2381 // Set flag to monitor and not change apk file paths when 2382 // scanning install directories. 2383 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2384 2385 if (mIsUpgrade || mFirstBoot) { 2386 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2387 } 2388 2389 // Collect vendor overlay packages. (Do this before scanning any apps.) 2390 // For security and version matching reason, only consider 2391 // overlay packages if they reside in the right directory. 2392 String overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PERSIST_PROPERTY); 2393 if (overlayThemeDir.isEmpty()) { 2394 overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PROPERTY); 2395 } 2396 if (!overlayThemeDir.isEmpty()) { 2397 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlayThemeDir), mDefParseFlags 2398 | PackageParser.PARSE_IS_SYSTEM 2399 | PackageParser.PARSE_IS_SYSTEM_DIR 2400 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2401 } 2402 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2403 | PackageParser.PARSE_IS_SYSTEM 2404 | PackageParser.PARSE_IS_SYSTEM_DIR 2405 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2406 2407 // Find base frameworks (resource packages without code). 2408 scanDirTracedLI(frameworkDir, mDefParseFlags 2409 | PackageParser.PARSE_IS_SYSTEM 2410 | PackageParser.PARSE_IS_SYSTEM_DIR 2411 | PackageParser.PARSE_IS_PRIVILEGED, 2412 scanFlags | SCAN_NO_DEX, 0); 2413 2414 // Collected privileged system packages. 2415 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2416 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2417 | PackageParser.PARSE_IS_SYSTEM 2418 | PackageParser.PARSE_IS_SYSTEM_DIR 2419 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2420 2421 // Collect ordinary system packages. 2422 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2423 scanDirTracedLI(systemAppDir, mDefParseFlags 2424 | PackageParser.PARSE_IS_SYSTEM 2425 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2426 2427 // Collect all vendor packages. 2428 File vendorAppDir = new File("/vendor/app"); 2429 try { 2430 vendorAppDir = vendorAppDir.getCanonicalFile(); 2431 } catch (IOException e) { 2432 // failed to look up canonical path, continue with original one 2433 } 2434 scanDirTracedLI(vendorAppDir, mDefParseFlags 2435 | PackageParser.PARSE_IS_SYSTEM 2436 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2437 2438 // Collect all OEM packages. 2439 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2440 scanDirTracedLI(oemAppDir, mDefParseFlags 2441 | PackageParser.PARSE_IS_SYSTEM 2442 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2443 2444 // Prune any system packages that no longer exist. 2445 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2446 if (!mOnlyCore) { 2447 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2448 while (psit.hasNext()) { 2449 PackageSetting ps = psit.next(); 2450 2451 /* 2452 * If this is not a system app, it can't be a 2453 * disable system app. 2454 */ 2455 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2456 continue; 2457 } 2458 2459 /* 2460 * If the package is scanned, it's not erased. 2461 */ 2462 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2463 if (scannedPkg != null) { 2464 /* 2465 * If the system app is both scanned and in the 2466 * disabled packages list, then it must have been 2467 * added via OTA. Remove it from the currently 2468 * scanned package so the previously user-installed 2469 * application can be scanned. 2470 */ 2471 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2472 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2473 + ps.name + "; removing system app. Last known codePath=" 2474 + ps.codePathString + ", installStatus=" + ps.installStatus 2475 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2476 + scannedPkg.mVersionCode); 2477 removePackageLI(scannedPkg, true); 2478 mExpectingBetter.put(ps.name, ps.codePath); 2479 } 2480 2481 continue; 2482 } 2483 2484 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2485 psit.remove(); 2486 logCriticalInfo(Log.WARN, "System package " + ps.name 2487 + " no longer exists; it's data will be wiped"); 2488 // Actual deletion of code and data will be handled by later 2489 // reconciliation step 2490 } else { 2491 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2492 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2493 possiblyDeletedUpdatedSystemApps.add(ps.name); 2494 } 2495 } 2496 } 2497 } 2498 2499 //look for any incomplete package installations 2500 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2501 for (int i = 0; i < deletePkgsList.size(); i++) { 2502 // Actual deletion of code and data will be handled by later 2503 // reconciliation step 2504 final String packageName = deletePkgsList.get(i).name; 2505 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2506 synchronized (mPackages) { 2507 mSettings.removePackageLPw(packageName); 2508 } 2509 } 2510 2511 //delete tmp files 2512 deleteTempPackageFiles(); 2513 2514 // Remove any shared userIDs that have no associated packages 2515 mSettings.pruneSharedUsersLPw(); 2516 2517 if (!mOnlyCore) { 2518 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2519 SystemClock.uptimeMillis()); 2520 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2521 2522 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2523 | PackageParser.PARSE_FORWARD_LOCK, 2524 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2525 2526 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2527 | PackageParser.PARSE_IS_EPHEMERAL, 2528 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2529 2530 /** 2531 * Remove disable package settings for any updated system 2532 * apps that were removed via an OTA. If they're not a 2533 * previously-updated app, remove them completely. 2534 * Otherwise, just revoke their system-level permissions. 2535 */ 2536 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2537 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2538 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2539 2540 String msg; 2541 if (deletedPkg == null) { 2542 msg = "Updated system package " + deletedAppName 2543 + " no longer exists; it's data will be wiped"; 2544 // Actual deletion of code and data will be handled by later 2545 // reconciliation step 2546 } else { 2547 msg = "Updated system app + " + deletedAppName 2548 + " no longer present; removing system privileges for " 2549 + deletedAppName; 2550 2551 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2552 2553 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2554 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2555 } 2556 logCriticalInfo(Log.WARN, msg); 2557 } 2558 2559 /** 2560 * Make sure all system apps that we expected to appear on 2561 * the userdata partition actually showed up. If they never 2562 * appeared, crawl back and revive the system version. 2563 */ 2564 for (int i = 0; i < mExpectingBetter.size(); i++) { 2565 final String packageName = mExpectingBetter.keyAt(i); 2566 if (!mPackages.containsKey(packageName)) { 2567 final File scanFile = mExpectingBetter.valueAt(i); 2568 2569 logCriticalInfo(Log.WARN, "Expected better " + packageName 2570 + " but never showed up; reverting to system"); 2571 2572 int reparseFlags = mDefParseFlags; 2573 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2574 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2575 | PackageParser.PARSE_IS_SYSTEM_DIR 2576 | PackageParser.PARSE_IS_PRIVILEGED; 2577 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2578 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2579 | PackageParser.PARSE_IS_SYSTEM_DIR; 2580 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2581 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2582 | PackageParser.PARSE_IS_SYSTEM_DIR; 2583 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2584 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2585 | PackageParser.PARSE_IS_SYSTEM_DIR; 2586 } else { 2587 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2588 continue; 2589 } 2590 2591 mSettings.enableSystemPackageLPw(packageName); 2592 2593 try { 2594 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2595 } catch (PackageManagerException e) { 2596 Slog.e(TAG, "Failed to parse original system package: " 2597 + e.getMessage()); 2598 } 2599 } 2600 } 2601 } 2602 mExpectingBetter.clear(); 2603 2604 // Resolve the storage manager. 2605 mStorageManagerPackage = getStorageManagerPackageName(); 2606 2607 // Resolve protected action filters. Only the setup wizard is allowed to 2608 // have a high priority filter for these actions. 2609 mSetupWizardPackage = getSetupWizardPackageName(); 2610 if (mProtectedFilters.size() > 0) { 2611 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2612 Slog.i(TAG, "No setup wizard;" 2613 + " All protected intents capped to priority 0"); 2614 } 2615 for (ActivityIntentInfo filter : mProtectedFilters) { 2616 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2617 if (DEBUG_FILTERS) { 2618 Slog.i(TAG, "Found setup wizard;" 2619 + " allow priority " + filter.getPriority() + ";" 2620 + " package: " + filter.activity.info.packageName 2621 + " activity: " + filter.activity.className 2622 + " priority: " + filter.getPriority()); 2623 } 2624 // skip setup wizard; allow it to keep the high priority filter 2625 continue; 2626 } 2627 Slog.w(TAG, "Protected action; cap priority to 0;" 2628 + " package: " + filter.activity.info.packageName 2629 + " activity: " + filter.activity.className 2630 + " origPrio: " + filter.getPriority()); 2631 filter.setPriority(0); 2632 } 2633 } 2634 mDeferProtectedFilters = false; 2635 mProtectedFilters.clear(); 2636 2637 // Now that we know all of the shared libraries, update all clients to have 2638 // the correct library paths. 2639 updateAllSharedLibrariesLPw(); 2640 2641 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2642 // NOTE: We ignore potential failures here during a system scan (like 2643 // the rest of the commands above) because there's precious little we 2644 // can do about it. A settings error is reported, though. 2645 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2646 } 2647 2648 // Now that we know all the packages we are keeping, 2649 // read and update their last usage times. 2650 mPackageUsage.read(mPackages); 2651 mCompilerStats.read(); 2652 2653 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2654 SystemClock.uptimeMillis()); 2655 Slog.i(TAG, "Time to scan packages: " 2656 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2657 + " seconds"); 2658 2659 // If the platform SDK has changed since the last time we booted, 2660 // we need to re-grant app permission to catch any new ones that 2661 // appear. This is really a hack, and means that apps can in some 2662 // cases get permissions that the user didn't initially explicitly 2663 // allow... it would be nice to have some better way to handle 2664 // this situation. 2665 int updateFlags = UPDATE_PERMISSIONS_ALL; 2666 if (ver.sdkVersion != mSdkVersion) { 2667 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2668 + mSdkVersion + "; regranting permissions for internal storage"); 2669 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2670 } 2671 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2672 ver.sdkVersion = mSdkVersion; 2673 2674 // If this is the first boot or an update from pre-M, and it is a normal 2675 // boot, then we need to initialize the default preferred apps across 2676 // all defined users. 2677 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2678 for (UserInfo user : sUserManager.getUsers(true)) { 2679 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2680 applyFactoryDefaultBrowserLPw(user.id); 2681 primeDomainVerificationsLPw(user.id); 2682 } 2683 } 2684 2685 // Prepare storage for system user really early during boot, 2686 // since core system apps like SettingsProvider and SystemUI 2687 // can't wait for user to start 2688 final int storageFlags; 2689 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2690 storageFlags = StorageManager.FLAG_STORAGE_DE; 2691 } else { 2692 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2693 } 2694 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2695 storageFlags, true /* migrateAppData */); 2696 2697 // If this is first boot after an OTA, and a normal boot, then 2698 // we need to clear code cache directories. 2699 // Note that we do *not* clear the application profiles. These remain valid 2700 // across OTAs and are used to drive profile verification (post OTA) and 2701 // profile compilation (without waiting to collect a fresh set of profiles). 2702 if (mIsUpgrade && !onlyCore) { 2703 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2704 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2705 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2706 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2707 // No apps are running this early, so no need to freeze 2708 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2709 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2710 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2711 } 2712 } 2713 ver.fingerprint = Build.FINGERPRINT; 2714 } 2715 2716 checkDefaultBrowser(); 2717 2718 // clear only after permissions and other defaults have been updated 2719 mExistingSystemPackages.clear(); 2720 mPromoteSystemApps = false; 2721 2722 // All the changes are done during package scanning. 2723 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2724 2725 // can downgrade to reader 2726 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2727 mSettings.writeLPr(); 2728 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2729 2730 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2731 // early on (before the package manager declares itself as early) because other 2732 // components in the system server might ask for package contexts for these apps. 2733 // 2734 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2735 // (i.e, that the data partition is unavailable). 2736 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2737 long start = System.nanoTime(); 2738 List<PackageParser.Package> coreApps = new ArrayList<>(); 2739 for (PackageParser.Package pkg : mPackages.values()) { 2740 if (pkg.coreApp) { 2741 coreApps.add(pkg); 2742 } 2743 } 2744 2745 int[] stats = performDexOptUpgrade(coreApps, false, 2746 getCompilerFilterForReason(REASON_CORE_APP)); 2747 2748 final int elapsedTimeSeconds = 2749 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2750 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2751 2752 if (DEBUG_DEXOPT) { 2753 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2754 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2755 } 2756 2757 2758 // TODO: Should we log these stats to tron too ? 2759 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2760 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2761 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2762 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2763 } 2764 2765 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2766 SystemClock.uptimeMillis()); 2767 2768 if (!mOnlyCore) { 2769 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2770 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2771 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2772 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2773 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2774 mIntentFilterVerifierComponent); 2775 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2776 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2777 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2778 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2779 } else { 2780 mRequiredVerifierPackage = null; 2781 mRequiredInstallerPackage = null; 2782 mRequiredUninstallerPackage = null; 2783 mIntentFilterVerifierComponent = null; 2784 mIntentFilterVerifier = null; 2785 mServicesSystemSharedLibraryPackageName = null; 2786 mSharedSystemSharedLibraryPackageName = null; 2787 } 2788 2789 mInstallerService = new PackageInstallerService(context, this); 2790 2791 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2792 if (ephemeralResolverComponent != null) { 2793 if (DEBUG_EPHEMERAL) { 2794 Slog.i(TAG, "Ephemeral resolver: " + ephemeralResolverComponent); 2795 } 2796 mEphemeralResolverConnection = 2797 new EphemeralResolverConnection(mContext, ephemeralResolverComponent); 2798 } else { 2799 mEphemeralResolverConnection = null; 2800 } 2801 mEphemeralInstallerComponent = getEphemeralInstallerLPr(); 2802 if (mEphemeralInstallerComponent != null) { 2803 if (DEBUG_EPHEMERAL) { 2804 Slog.i(TAG, "Ephemeral installer: " + mEphemeralInstallerComponent); 2805 } 2806 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2807 } 2808 2809 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2810 2811 // Read and update the usage of dex files. 2812 // Do this at the end of PM init so that all the packages have their 2813 // data directory reconciled. 2814 // At this point we know the code paths of the packages, so we can validate 2815 // the disk file and build the internal cache. 2816 // The usage file is expected to be small so loading and verifying it 2817 // should take a fairly small time compare to the other activities (e.g. package 2818 // scanning). 2819 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2820 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2821 for (int userId : currentUserIds) { 2822 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2823 } 2824 mDexManager.load(userPackages); 2825 } // synchronized (mPackages) 2826 } // synchronized (mInstallLock) 2827 2828 // Now after opening every single application zip, make sure they 2829 // are all flushed. Not really needed, but keeps things nice and 2830 // tidy. 2831 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2832 Runtime.getRuntime().gc(); 2833 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2834 2835 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2836 FallbackCategoryProvider.loadFallbacks(); 2837 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2838 2839 // The initial scanning above does many calls into installd while 2840 // holding the mPackages lock, but we're mostly interested in yelling 2841 // once we have a booted system. 2842 mInstaller.setWarnIfHeld(mPackages); 2843 2844 // Expose private service for system components to use. 2845 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2846 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2847 } 2848 2849 private static File preparePackageParserCache(boolean isUpgrade) { 2850 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 2851 return null; 2852 } 2853 2854 // Disable package parsing on eng builds to allow for faster incremental development. 2855 if ("eng".equals(Build.TYPE)) { 2856 return null; 2857 } 2858 2859 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 2860 Slog.i(TAG, "Disabling package parser cache due to system property."); 2861 return null; 2862 } 2863 2864 // The base directory for the package parser cache lives under /data/system/. 2865 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 2866 "package_cache"); 2867 if (cacheBaseDir == null) { 2868 return null; 2869 } 2870 2871 // If this is a system upgrade scenario, delete the contents of the package cache dir. 2872 // This also serves to "GC" unused entries when the package cache version changes (which 2873 // can only happen during upgrades). 2874 if (isUpgrade) { 2875 FileUtils.deleteContents(cacheBaseDir); 2876 } 2877 2878 2879 // Return the versioned package cache directory. This is something like 2880 // "/data/system/package_cache/1" 2881 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2882 2883 // The following is a workaround to aid development on non-numbered userdebug 2884 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 2885 // the system partition is newer. 2886 // 2887 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 2888 // that starts with "eng." to signify that this is an engineering build and not 2889 // destined for release. 2890 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 2891 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 2892 2893 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 2894 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 2895 // in general and should not be used for production changes. In this specific case, 2896 // we know that they will work. 2897 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2898 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 2899 FileUtils.deleteContents(cacheBaseDir); 2900 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2901 } 2902 } 2903 2904 return cacheDir; 2905 } 2906 2907 @Override 2908 public boolean isFirstBoot() { 2909 return mFirstBoot; 2910 } 2911 2912 @Override 2913 public boolean isOnlyCoreApps() { 2914 return mOnlyCore; 2915 } 2916 2917 @Override 2918 public boolean isUpgrade() { 2919 return mIsUpgrade; 2920 } 2921 2922 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2923 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2924 2925 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2926 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2927 UserHandle.USER_SYSTEM); 2928 if (matches.size() == 1) { 2929 return matches.get(0).getComponentInfo().packageName; 2930 } else if (matches.size() == 0) { 2931 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2932 return null; 2933 } 2934 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2935 } 2936 2937 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2938 synchronized (mPackages) { 2939 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2940 if (libraryEntry == null) { 2941 throw new IllegalStateException("Missing required shared library:" + libraryName); 2942 } 2943 return libraryEntry.apk; 2944 } 2945 } 2946 2947 private @NonNull String getRequiredInstallerLPr() { 2948 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2949 intent.addCategory(Intent.CATEGORY_DEFAULT); 2950 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2951 2952 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2953 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2954 UserHandle.USER_SYSTEM); 2955 if (matches.size() == 1) { 2956 ResolveInfo resolveInfo = matches.get(0); 2957 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2958 throw new RuntimeException("The installer must be a privileged app"); 2959 } 2960 return matches.get(0).getComponentInfo().packageName; 2961 } else { 2962 throw new RuntimeException("There must be exactly one installer; found " + matches); 2963 } 2964 } 2965 2966 private @NonNull String getRequiredUninstallerLPr() { 2967 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2968 intent.addCategory(Intent.CATEGORY_DEFAULT); 2969 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2970 2971 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2972 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2973 UserHandle.USER_SYSTEM); 2974 if (resolveInfo == null || 2975 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2976 throw new RuntimeException("There must be exactly one uninstaller; found " 2977 + resolveInfo); 2978 } 2979 return resolveInfo.getComponentInfo().packageName; 2980 } 2981 2982 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2983 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2984 2985 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2986 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2987 UserHandle.USER_SYSTEM); 2988 ResolveInfo best = null; 2989 final int N = matches.size(); 2990 for (int i = 0; i < N; i++) { 2991 final ResolveInfo cur = matches.get(i); 2992 final String packageName = cur.getComponentInfo().packageName; 2993 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2994 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2995 continue; 2996 } 2997 2998 if (best == null || cur.priority > best.priority) { 2999 best = cur; 3000 } 3001 } 3002 3003 if (best != null) { 3004 return best.getComponentInfo().getComponentName(); 3005 } else { 3006 throw new RuntimeException("There must be at least one intent filter verifier"); 3007 } 3008 } 3009 3010 private @Nullable ComponentName getEphemeralResolverLPr() { 3011 final String[] packageArray = 3012 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3013 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3014 if (DEBUG_EPHEMERAL) { 3015 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3016 } 3017 return null; 3018 } 3019 3020 final int resolveFlags = 3021 MATCH_DIRECT_BOOT_AWARE 3022 | MATCH_DIRECT_BOOT_UNAWARE 3023 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3024 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 3025 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3026 resolveFlags, UserHandle.USER_SYSTEM); 3027 3028 final int N = resolvers.size(); 3029 if (N == 0) { 3030 if (DEBUG_EPHEMERAL) { 3031 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3032 } 3033 return null; 3034 } 3035 3036 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3037 for (int i = 0; i < N; i++) { 3038 final ResolveInfo info = resolvers.get(i); 3039 3040 if (info.serviceInfo == null) { 3041 continue; 3042 } 3043 3044 final String packageName = info.serviceInfo.packageName; 3045 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3046 if (DEBUG_EPHEMERAL) { 3047 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3048 + " pkg: " + packageName + ", info:" + info); 3049 } 3050 continue; 3051 } 3052 3053 if (DEBUG_EPHEMERAL) { 3054 Slog.v(TAG, "Ephemeral resolver found;" 3055 + " pkg: " + packageName + ", info:" + info); 3056 } 3057 return new ComponentName(packageName, info.serviceInfo.name); 3058 } 3059 if (DEBUG_EPHEMERAL) { 3060 Slog.v(TAG, "Ephemeral resolver NOT found"); 3061 } 3062 return null; 3063 } 3064 3065 private @Nullable ComponentName getEphemeralInstallerLPr() { 3066 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3067 intent.addCategory(Intent.CATEGORY_DEFAULT); 3068 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3069 3070 final int resolveFlags = 3071 MATCH_DIRECT_BOOT_AWARE 3072 | MATCH_DIRECT_BOOT_UNAWARE 3073 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3074 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3075 resolveFlags, UserHandle.USER_SYSTEM); 3076 Iterator<ResolveInfo> iter = matches.iterator(); 3077 while (iter.hasNext()) { 3078 final ResolveInfo rInfo = iter.next(); 3079 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3080 if (ps != null) { 3081 final PermissionsState permissionsState = ps.getPermissionsState(); 3082 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3083 continue; 3084 } 3085 } 3086 iter.remove(); 3087 } 3088 if (matches.size() == 0) { 3089 return null; 3090 } else if (matches.size() == 1) { 3091 return matches.get(0).getComponentInfo().getComponentName(); 3092 } else { 3093 throw new RuntimeException( 3094 "There must be at most one ephemeral installer; found " + matches); 3095 } 3096 } 3097 3098 private void primeDomainVerificationsLPw(int userId) { 3099 if (DEBUG_DOMAIN_VERIFICATION) { 3100 Slog.d(TAG, "Priming domain verifications in user " + userId); 3101 } 3102 3103 SystemConfig systemConfig = SystemConfig.getInstance(); 3104 ArraySet<String> packages = systemConfig.getLinkedApps(); 3105 3106 for (String packageName : packages) { 3107 PackageParser.Package pkg = mPackages.get(packageName); 3108 if (pkg != null) { 3109 if (!pkg.isSystemApp()) { 3110 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3111 continue; 3112 } 3113 3114 ArraySet<String> domains = null; 3115 for (PackageParser.Activity a : pkg.activities) { 3116 for (ActivityIntentInfo filter : a.intents) { 3117 if (hasValidDomains(filter)) { 3118 if (domains == null) { 3119 domains = new ArraySet<String>(); 3120 } 3121 domains.addAll(filter.getHostsList()); 3122 } 3123 } 3124 } 3125 3126 if (domains != null && domains.size() > 0) { 3127 if (DEBUG_DOMAIN_VERIFICATION) { 3128 Slog.v(TAG, " + " + packageName); 3129 } 3130 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3131 // state w.r.t. the formal app-linkage "no verification attempted" state; 3132 // and then 'always' in the per-user state actually used for intent resolution. 3133 final IntentFilterVerificationInfo ivi; 3134 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3135 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3136 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3137 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3138 } else { 3139 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3140 + "' does not handle web links"); 3141 } 3142 } else { 3143 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3144 } 3145 } 3146 3147 scheduleWritePackageRestrictionsLocked(userId); 3148 scheduleWriteSettingsLocked(); 3149 } 3150 3151 private void applyFactoryDefaultBrowserLPw(int userId) { 3152 // The default browser app's package name is stored in a string resource, 3153 // with a product-specific overlay used for vendor customization. 3154 String browserPkg = mContext.getResources().getString( 3155 com.android.internal.R.string.default_browser); 3156 if (!TextUtils.isEmpty(browserPkg)) { 3157 // non-empty string => required to be a known package 3158 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3159 if (ps == null) { 3160 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3161 browserPkg = null; 3162 } else { 3163 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3164 } 3165 } 3166 3167 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3168 // default. If there's more than one, just leave everything alone. 3169 if (browserPkg == null) { 3170 calculateDefaultBrowserLPw(userId); 3171 } 3172 } 3173 3174 private void calculateDefaultBrowserLPw(int userId) { 3175 List<String> allBrowsers = resolveAllBrowserApps(userId); 3176 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3177 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3178 } 3179 3180 private List<String> resolveAllBrowserApps(int userId) { 3181 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3182 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3183 PackageManager.MATCH_ALL, userId); 3184 3185 final int count = list.size(); 3186 List<String> result = new ArrayList<String>(count); 3187 for (int i=0; i<count; i++) { 3188 ResolveInfo info = list.get(i); 3189 if (info.activityInfo == null 3190 || !info.handleAllWebDataURI 3191 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3192 || result.contains(info.activityInfo.packageName)) { 3193 continue; 3194 } 3195 result.add(info.activityInfo.packageName); 3196 } 3197 3198 return result; 3199 } 3200 3201 private boolean packageIsBrowser(String packageName, int userId) { 3202 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3203 PackageManager.MATCH_ALL, userId); 3204 final int N = list.size(); 3205 for (int i = 0; i < N; i++) { 3206 ResolveInfo info = list.get(i); 3207 if (packageName.equals(info.activityInfo.packageName)) { 3208 return true; 3209 } 3210 } 3211 return false; 3212 } 3213 3214 private void checkDefaultBrowser() { 3215 final int myUserId = UserHandle.myUserId(); 3216 final String packageName = getDefaultBrowserPackageName(myUserId); 3217 if (packageName != null) { 3218 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3219 if (info == null) { 3220 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3221 synchronized (mPackages) { 3222 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3223 } 3224 } 3225 } 3226 } 3227 3228 @Override 3229 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3230 throws RemoteException { 3231 try { 3232 return super.onTransact(code, data, reply, flags); 3233 } catch (RuntimeException e) { 3234 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3235 Slog.wtf(TAG, "Package Manager Crash", e); 3236 } 3237 throw e; 3238 } 3239 } 3240 3241 static int[] appendInts(int[] cur, int[] add) { 3242 if (add == null) return cur; 3243 if (cur == null) return add; 3244 final int N = add.length; 3245 for (int i=0; i<N; i++) { 3246 cur = appendInt(cur, add[i]); 3247 } 3248 return cur; 3249 } 3250 3251 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3252 if (!sUserManager.exists(userId)) return null; 3253 if (ps == null) { 3254 return null; 3255 } 3256 final PackageParser.Package p = ps.pkg; 3257 if (p == null) { 3258 return null; 3259 } 3260 3261 final PermissionsState permissionsState = ps.getPermissionsState(); 3262 3263 // Compute GIDs only if requested 3264 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3265 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3266 // Compute granted permissions only if package has requested permissions 3267 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3268 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3269 final PackageUserState state = ps.readUserState(userId); 3270 3271 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3272 && ps.isSystem()) { 3273 flags |= MATCH_ANY_USER; 3274 } 3275 3276 return PackageParser.generatePackageInfo(p, gids, flags, 3277 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3278 } 3279 3280 @Override 3281 public void checkPackageStartable(String packageName, int userId) { 3282 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3283 3284 synchronized (mPackages) { 3285 final PackageSetting ps = mSettings.mPackages.get(packageName); 3286 if (ps == null) { 3287 throw new SecurityException("Package " + packageName + " was not found!"); 3288 } 3289 3290 if (!ps.getInstalled(userId)) { 3291 throw new SecurityException( 3292 "Package " + packageName + " was not installed for user " + userId + "!"); 3293 } 3294 3295 if (mSafeMode && !ps.isSystem()) { 3296 throw new SecurityException("Package " + packageName + " not a system app!"); 3297 } 3298 3299 if (mFrozenPackages.contains(packageName)) { 3300 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3301 } 3302 3303 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3304 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3305 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3306 } 3307 } 3308 } 3309 3310 @Override 3311 public boolean isPackageAvailable(String packageName, int userId) { 3312 if (!sUserManager.exists(userId)) return false; 3313 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3314 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3315 synchronized (mPackages) { 3316 PackageParser.Package p = mPackages.get(packageName); 3317 if (p != null) { 3318 final PackageSetting ps = (PackageSetting) p.mExtras; 3319 if (ps != null) { 3320 final PackageUserState state = ps.readUserState(userId); 3321 if (state != null) { 3322 return PackageParser.isAvailable(state); 3323 } 3324 } 3325 } 3326 } 3327 return false; 3328 } 3329 3330 @Override 3331 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3332 if (!sUserManager.exists(userId)) return null; 3333 flags = updateFlagsForPackage(flags, userId, packageName); 3334 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3335 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3336 3337 // reader 3338 synchronized (mPackages) { 3339 // Normalize package name to hanlde renamed packages 3340 packageName = normalizePackageNameLPr(packageName); 3341 3342 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3343 PackageParser.Package p = null; 3344 if (matchFactoryOnly) { 3345 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3346 if (ps != null) { 3347 return generatePackageInfo(ps, flags, userId); 3348 } 3349 } 3350 if (p == null) { 3351 p = mPackages.get(packageName); 3352 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3353 return null; 3354 } 3355 } 3356 if (DEBUG_PACKAGE_INFO) 3357 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3358 if (p != null) { 3359 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3360 } 3361 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3362 final PackageSetting ps = mSettings.mPackages.get(packageName); 3363 return generatePackageInfo(ps, flags, userId); 3364 } 3365 } 3366 return null; 3367 } 3368 3369 @Override 3370 public String[] currentToCanonicalPackageNames(String[] names) { 3371 String[] out = new String[names.length]; 3372 // reader 3373 synchronized (mPackages) { 3374 for (int i=names.length-1; i>=0; i--) { 3375 PackageSetting ps = mSettings.mPackages.get(names[i]); 3376 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3377 } 3378 } 3379 return out; 3380 } 3381 3382 @Override 3383 public String[] canonicalToCurrentPackageNames(String[] names) { 3384 String[] out = new String[names.length]; 3385 // reader 3386 synchronized (mPackages) { 3387 for (int i=names.length-1; i>=0; i--) { 3388 String cur = mSettings.getRenamedPackageLPr(names[i]); 3389 out[i] = cur != null ? cur : names[i]; 3390 } 3391 } 3392 return out; 3393 } 3394 3395 @Override 3396 public int getPackageUid(String packageName, int flags, int userId) { 3397 if (!sUserManager.exists(userId)) return -1; 3398 flags = updateFlagsForPackage(flags, userId, packageName); 3399 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3400 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3401 3402 // reader 3403 synchronized (mPackages) { 3404 final PackageParser.Package p = mPackages.get(packageName); 3405 if (p != null && p.isMatch(flags)) { 3406 return UserHandle.getUid(userId, p.applicationInfo.uid); 3407 } 3408 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3409 final PackageSetting ps = mSettings.mPackages.get(packageName); 3410 if (ps != null && ps.isMatch(flags)) { 3411 return UserHandle.getUid(userId, ps.appId); 3412 } 3413 } 3414 } 3415 3416 return -1; 3417 } 3418 3419 @Override 3420 public int[] getPackageGids(String packageName, int flags, int userId) { 3421 if (!sUserManager.exists(userId)) return null; 3422 flags = updateFlagsForPackage(flags, userId, packageName); 3423 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3424 false /* requireFullPermission */, false /* checkShell */, 3425 "getPackageGids"); 3426 3427 // reader 3428 synchronized (mPackages) { 3429 final PackageParser.Package p = mPackages.get(packageName); 3430 if (p != null && p.isMatch(flags)) { 3431 PackageSetting ps = (PackageSetting) p.mExtras; 3432 // TODO: Shouldn't this be checking for package installed state for userId and 3433 // return null? 3434 return ps.getPermissionsState().computeGids(userId); 3435 } 3436 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3437 final PackageSetting ps = mSettings.mPackages.get(packageName); 3438 if (ps != null && ps.isMatch(flags)) { 3439 return ps.getPermissionsState().computeGids(userId); 3440 } 3441 } 3442 } 3443 3444 return null; 3445 } 3446 3447 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3448 if (bp.perm != null) { 3449 return PackageParser.generatePermissionInfo(bp.perm, flags); 3450 } 3451 PermissionInfo pi = new PermissionInfo(); 3452 pi.name = bp.name; 3453 pi.packageName = bp.sourcePackage; 3454 pi.nonLocalizedLabel = bp.name; 3455 pi.protectionLevel = bp.protectionLevel; 3456 return pi; 3457 } 3458 3459 @Override 3460 public PermissionInfo getPermissionInfo(String name, int flags) { 3461 // reader 3462 synchronized (mPackages) { 3463 final BasePermission p = mSettings.mPermissions.get(name); 3464 if (p != null) { 3465 return generatePermissionInfo(p, flags); 3466 } 3467 return null; 3468 } 3469 } 3470 3471 @Override 3472 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3473 int flags) { 3474 // reader 3475 synchronized (mPackages) { 3476 if (group != null && !mPermissionGroups.containsKey(group)) { 3477 // This is thrown as NameNotFoundException 3478 return null; 3479 } 3480 3481 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3482 for (BasePermission p : mSettings.mPermissions.values()) { 3483 if (group == null) { 3484 if (p.perm == null || p.perm.info.group == null) { 3485 out.add(generatePermissionInfo(p, flags)); 3486 } 3487 } else { 3488 if (p.perm != null && group.equals(p.perm.info.group)) { 3489 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3490 } 3491 } 3492 } 3493 return new ParceledListSlice<>(out); 3494 } 3495 } 3496 3497 @Override 3498 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3499 // reader 3500 synchronized (mPackages) { 3501 return PackageParser.generatePermissionGroupInfo( 3502 mPermissionGroups.get(name), flags); 3503 } 3504 } 3505 3506 @Override 3507 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3508 // reader 3509 synchronized (mPackages) { 3510 final int N = mPermissionGroups.size(); 3511 ArrayList<PermissionGroupInfo> out 3512 = new ArrayList<PermissionGroupInfo>(N); 3513 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3514 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3515 } 3516 return new ParceledListSlice<>(out); 3517 } 3518 } 3519 3520 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3521 int userId) { 3522 if (!sUserManager.exists(userId)) return null; 3523 PackageSetting ps = mSettings.mPackages.get(packageName); 3524 if (ps != null) { 3525 if (ps.pkg == null) { 3526 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3527 if (pInfo != null) { 3528 return pInfo.applicationInfo; 3529 } 3530 return null; 3531 } 3532 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3533 ps.readUserState(userId), userId); 3534 } 3535 return null; 3536 } 3537 3538 @Override 3539 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3540 if (!sUserManager.exists(userId)) return null; 3541 flags = updateFlagsForApplication(flags, userId, packageName); 3542 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3543 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3544 3545 // writer 3546 synchronized (mPackages) { 3547 // Normalize package name to hanlde renamed packages 3548 packageName = normalizePackageNameLPr(packageName); 3549 3550 PackageParser.Package p = mPackages.get(packageName); 3551 if (DEBUG_PACKAGE_INFO) Log.v( 3552 TAG, "getApplicationInfo " + packageName 3553 + ": " + p); 3554 if (p != null) { 3555 PackageSetting ps = mSettings.mPackages.get(packageName); 3556 if (ps == null) return null; 3557 // Note: isEnabledLP() does not apply here - always return info 3558 return PackageParser.generateApplicationInfo( 3559 p, flags, ps.readUserState(userId), userId); 3560 } 3561 if ("android".equals(packageName)||"system".equals(packageName)) { 3562 return mAndroidApplication; 3563 } 3564 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3565 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3566 } 3567 } 3568 return null; 3569 } 3570 3571 private String normalizePackageNameLPr(String packageName) { 3572 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 3573 return normalizedPackageName != null ? normalizedPackageName : packageName; 3574 } 3575 3576 @Override 3577 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3578 final IPackageDataObserver observer) { 3579 mContext.enforceCallingOrSelfPermission( 3580 android.Manifest.permission.CLEAR_APP_CACHE, null); 3581 // Queue up an async operation since clearing cache may take a little while. 3582 mHandler.post(new Runnable() { 3583 public void run() { 3584 mHandler.removeCallbacks(this); 3585 boolean success = true; 3586 synchronized (mInstallLock) { 3587 try { 3588 mInstaller.freeCache(volumeUuid, freeStorageSize); 3589 } catch (InstallerException e) { 3590 Slog.w(TAG, "Couldn't clear application caches: " + e); 3591 success = false; 3592 } 3593 } 3594 if (observer != null) { 3595 try { 3596 observer.onRemoveCompleted(null, success); 3597 } catch (RemoteException e) { 3598 Slog.w(TAG, "RemoveException when invoking call back"); 3599 } 3600 } 3601 } 3602 }); 3603 } 3604 3605 @Override 3606 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3607 final IntentSender pi) { 3608 mContext.enforceCallingOrSelfPermission( 3609 android.Manifest.permission.CLEAR_APP_CACHE, null); 3610 // Queue up an async operation since clearing cache may take a little while. 3611 mHandler.post(new Runnable() { 3612 public void run() { 3613 mHandler.removeCallbacks(this); 3614 boolean success = true; 3615 synchronized (mInstallLock) { 3616 try { 3617 mInstaller.freeCache(volumeUuid, freeStorageSize); 3618 } catch (InstallerException e) { 3619 Slog.w(TAG, "Couldn't clear application caches: " + e); 3620 success = false; 3621 } 3622 } 3623 if(pi != null) { 3624 try { 3625 // Callback via pending intent 3626 int code = success ? 1 : 0; 3627 pi.sendIntent(null, code, null, 3628 null, null); 3629 } catch (SendIntentException e1) { 3630 Slog.i(TAG, "Failed to send pending intent"); 3631 } 3632 } 3633 } 3634 }); 3635 } 3636 3637 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3638 synchronized (mInstallLock) { 3639 try { 3640 mInstaller.freeCache(volumeUuid, freeStorageSize); 3641 } catch (InstallerException e) { 3642 throw new IOException("Failed to free enough space", e); 3643 } 3644 } 3645 } 3646 3647 /** 3648 * Update given flags based on encryption status of current user. 3649 */ 3650 private int updateFlags(int flags, int userId) { 3651 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3652 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3653 // Caller expressed an explicit opinion about what encryption 3654 // aware/unaware components they want to see, so fall through and 3655 // give them what they want 3656 } else { 3657 // Caller expressed no opinion, so match based on user state 3658 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3659 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3660 } else { 3661 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3662 } 3663 } 3664 return flags; 3665 } 3666 3667 private UserManagerInternal getUserManagerInternal() { 3668 if (mUserManagerInternal == null) { 3669 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3670 } 3671 return mUserManagerInternal; 3672 } 3673 3674 /** 3675 * Update given flags when being used to request {@link PackageInfo}. 3676 */ 3677 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3678 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3679 boolean triaged = true; 3680 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3681 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3682 // Caller is asking for component details, so they'd better be 3683 // asking for specific encryption matching behavior, or be triaged 3684 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3685 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3686 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3687 triaged = false; 3688 } 3689 } 3690 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3691 | PackageManager.MATCH_SYSTEM_ONLY 3692 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3693 triaged = false; 3694 } 3695 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3696 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3697 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 3698 + Debug.getCallers(5)); 3699 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 3700 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 3701 // If the caller wants all packages and has a restricted profile associated with it, 3702 // then match all users. This is to make sure that launchers that need to access work 3703 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 3704 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 3705 flags |= PackageManager.MATCH_ANY_USER; 3706 } 3707 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3708 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3709 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3710 } 3711 return updateFlags(flags, userId); 3712 } 3713 3714 /** 3715 * Update given flags when being used to request {@link ApplicationInfo}. 3716 */ 3717 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3718 return updateFlagsForPackage(flags, userId, cookie); 3719 } 3720 3721 /** 3722 * Update given flags when being used to request {@link ComponentInfo}. 3723 */ 3724 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3725 if (cookie instanceof Intent) { 3726 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3727 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3728 } 3729 } 3730 3731 boolean triaged = true; 3732 // Caller is asking for component details, so they'd better be 3733 // asking for specific encryption matching behavior, or be triaged 3734 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3735 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3736 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3737 triaged = false; 3738 } 3739 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3740 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3741 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3742 } 3743 3744 return updateFlags(flags, userId); 3745 } 3746 3747 /** 3748 * Update given flags when being used to request {@link ResolveInfo}. 3749 */ 3750 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3751 // Safe mode means we shouldn't match any third-party components 3752 if (mSafeMode) { 3753 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3754 } 3755 final int callingUid = Binder.getCallingUid(); 3756 if (callingUid == Process.SYSTEM_UID || callingUid == 0) { 3757 // The system sees all components 3758 flags |= PackageManager.MATCH_EPHEMERAL; 3759 } else if (getEphemeralPackageName(callingUid) != null) { 3760 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 3761 flags |= PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY; 3762 flags |= PackageManager.MATCH_EPHEMERAL; 3763 } else { 3764 // Otherwise, prevent leaking ephemeral components 3765 flags &= ~PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY; 3766 flags &= ~PackageManager.MATCH_EPHEMERAL; 3767 } 3768 return updateFlagsForComponent(flags, userId, cookie); 3769 } 3770 3771 @Override 3772 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3773 if (!sUserManager.exists(userId)) return null; 3774 flags = updateFlagsForComponent(flags, userId, component); 3775 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3776 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3777 synchronized (mPackages) { 3778 PackageParser.Activity a = mActivities.mActivities.get(component); 3779 3780 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3781 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3782 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3783 if (ps == null) return null; 3784 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3785 userId); 3786 } 3787 if (mResolveComponentName.equals(component)) { 3788 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3789 new PackageUserState(), userId); 3790 } 3791 } 3792 return null; 3793 } 3794 3795 @Override 3796 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3797 String resolvedType) { 3798 synchronized (mPackages) { 3799 if (component.equals(mResolveComponentName)) { 3800 // The resolver supports EVERYTHING! 3801 return true; 3802 } 3803 PackageParser.Activity a = mActivities.mActivities.get(component); 3804 if (a == null) { 3805 return false; 3806 } 3807 for (int i=0; i<a.intents.size(); i++) { 3808 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3809 intent.getData(), intent.getCategories(), TAG) >= 0) { 3810 return true; 3811 } 3812 } 3813 return false; 3814 } 3815 } 3816 3817 @Override 3818 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3819 if (!sUserManager.exists(userId)) return null; 3820 flags = updateFlagsForComponent(flags, userId, component); 3821 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3822 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3823 synchronized (mPackages) { 3824 PackageParser.Activity a = mReceivers.mActivities.get(component); 3825 if (DEBUG_PACKAGE_INFO) Log.v( 3826 TAG, "getReceiverInfo " + component + ": " + a); 3827 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3828 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3829 if (ps == null) return null; 3830 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3831 userId); 3832 } 3833 } 3834 return null; 3835 } 3836 3837 @Override 3838 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3839 if (!sUserManager.exists(userId)) return null; 3840 flags = updateFlagsForComponent(flags, userId, component); 3841 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3842 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3843 synchronized (mPackages) { 3844 PackageParser.Service s = mServices.mServices.get(component); 3845 if (DEBUG_PACKAGE_INFO) Log.v( 3846 TAG, "getServiceInfo " + component + ": " + s); 3847 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3848 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3849 if (ps == null) return null; 3850 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3851 userId); 3852 } 3853 } 3854 return null; 3855 } 3856 3857 @Override 3858 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3859 if (!sUserManager.exists(userId)) return null; 3860 flags = updateFlagsForComponent(flags, userId, component); 3861 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3862 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3863 synchronized (mPackages) { 3864 PackageParser.Provider p = mProviders.mProviders.get(component); 3865 if (DEBUG_PACKAGE_INFO) Log.v( 3866 TAG, "getProviderInfo " + component + ": " + p); 3867 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3868 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3869 if (ps == null) return null; 3870 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3871 userId); 3872 } 3873 } 3874 return null; 3875 } 3876 3877 @Override 3878 public String[] getSystemSharedLibraryNames() { 3879 Set<String> libSet; 3880 synchronized (mPackages) { 3881 libSet = mSharedLibraries.keySet(); 3882 int size = libSet.size(); 3883 if (size > 0) { 3884 String[] libs = new String[size]; 3885 libSet.toArray(libs); 3886 return libs; 3887 } 3888 } 3889 return null; 3890 } 3891 3892 @Override 3893 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3894 synchronized (mPackages) { 3895 return mServicesSystemSharedLibraryPackageName; 3896 } 3897 } 3898 3899 @Override 3900 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3901 synchronized (mPackages) { 3902 return mSharedSystemSharedLibraryPackageName; 3903 } 3904 } 3905 3906 @Override 3907 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3908 synchronized (mPackages) { 3909 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3910 3911 final FeatureInfo fi = new FeatureInfo(); 3912 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3913 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3914 res.add(fi); 3915 3916 return new ParceledListSlice<>(res); 3917 } 3918 } 3919 3920 @Override 3921 public boolean hasSystemFeature(String name, int version) { 3922 synchronized (mPackages) { 3923 final FeatureInfo feat = mAvailableFeatures.get(name); 3924 if (feat == null) { 3925 return false; 3926 } else { 3927 return feat.version >= version; 3928 } 3929 } 3930 } 3931 3932 @Override 3933 public int checkPermission(String permName, String pkgName, int userId) { 3934 if (!sUserManager.exists(userId)) { 3935 return PackageManager.PERMISSION_DENIED; 3936 } 3937 3938 synchronized (mPackages) { 3939 final PackageParser.Package p = mPackages.get(pkgName); 3940 if (p != null && p.mExtras != null) { 3941 final PackageSetting ps = (PackageSetting) p.mExtras; 3942 final PermissionsState permissionsState = ps.getPermissionsState(); 3943 if (permissionsState.hasPermission(permName, userId)) { 3944 return PackageManager.PERMISSION_GRANTED; 3945 } 3946 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3947 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3948 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3949 return PackageManager.PERMISSION_GRANTED; 3950 } 3951 } 3952 } 3953 3954 return PackageManager.PERMISSION_DENIED; 3955 } 3956 3957 @Override 3958 public int checkUidPermission(String permName, int uid) { 3959 final int userId = UserHandle.getUserId(uid); 3960 3961 if (!sUserManager.exists(userId)) { 3962 return PackageManager.PERMISSION_DENIED; 3963 } 3964 3965 synchronized (mPackages) { 3966 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3967 if (obj != null) { 3968 final SettingBase ps = (SettingBase) obj; 3969 final PermissionsState permissionsState = ps.getPermissionsState(); 3970 if (permissionsState.hasPermission(permName, userId)) { 3971 return PackageManager.PERMISSION_GRANTED; 3972 } 3973 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3974 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3975 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3976 return PackageManager.PERMISSION_GRANTED; 3977 } 3978 } else { 3979 ArraySet<String> perms = mSystemPermissions.get(uid); 3980 if (perms != null) { 3981 if (perms.contains(permName)) { 3982 return PackageManager.PERMISSION_GRANTED; 3983 } 3984 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3985 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3986 return PackageManager.PERMISSION_GRANTED; 3987 } 3988 } 3989 } 3990 } 3991 3992 return PackageManager.PERMISSION_DENIED; 3993 } 3994 3995 @Override 3996 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3997 if (UserHandle.getCallingUserId() != userId) { 3998 mContext.enforceCallingPermission( 3999 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4000 "isPermissionRevokedByPolicy for user " + userId); 4001 } 4002 4003 if (checkPermission(permission, packageName, userId) 4004 == PackageManager.PERMISSION_GRANTED) { 4005 return false; 4006 } 4007 4008 final long identity = Binder.clearCallingIdentity(); 4009 try { 4010 final int flags = getPermissionFlags(permission, packageName, userId); 4011 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4012 } finally { 4013 Binder.restoreCallingIdentity(identity); 4014 } 4015 } 4016 4017 @Override 4018 public String getPermissionControllerPackageName() { 4019 synchronized (mPackages) { 4020 return mRequiredInstallerPackage; 4021 } 4022 } 4023 4024 /** 4025 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4026 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4027 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4028 * @param message the message to log on security exception 4029 */ 4030 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4031 boolean checkShell, String message) { 4032 if (userId < 0) { 4033 throw new IllegalArgumentException("Invalid userId " + userId); 4034 } 4035 if (checkShell) { 4036 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4037 } 4038 if (userId == UserHandle.getUserId(callingUid)) return; 4039 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4040 if (requireFullPermission) { 4041 mContext.enforceCallingOrSelfPermission( 4042 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4043 } else { 4044 try { 4045 mContext.enforceCallingOrSelfPermission( 4046 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4047 } catch (SecurityException se) { 4048 mContext.enforceCallingOrSelfPermission( 4049 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 4050 } 4051 } 4052 } 4053 } 4054 4055 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 4056 if (callingUid == Process.SHELL_UID) { 4057 if (userHandle >= 0 4058 && sUserManager.hasUserRestriction(restriction, userHandle)) { 4059 throw new SecurityException("Shell does not have permission to access user " 4060 + userHandle); 4061 } else if (userHandle < 0) { 4062 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 4063 + Debug.getCallers(3)); 4064 } 4065 } 4066 } 4067 4068 private BasePermission findPermissionTreeLP(String permName) { 4069 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 4070 if (permName.startsWith(bp.name) && 4071 permName.length() > bp.name.length() && 4072 permName.charAt(bp.name.length()) == '.') { 4073 return bp; 4074 } 4075 } 4076 return null; 4077 } 4078 4079 private BasePermission checkPermissionTreeLP(String permName) { 4080 if (permName != null) { 4081 BasePermission bp = findPermissionTreeLP(permName); 4082 if (bp != null) { 4083 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 4084 return bp; 4085 } 4086 throw new SecurityException("Calling uid " 4087 + Binder.getCallingUid() 4088 + " is not allowed to add to permission tree " 4089 + bp.name + " owned by uid " + bp.uid); 4090 } 4091 } 4092 throw new SecurityException("No permission tree found for " + permName); 4093 } 4094 4095 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4096 if (s1 == null) { 4097 return s2 == null; 4098 } 4099 if (s2 == null) { 4100 return false; 4101 } 4102 if (s1.getClass() != s2.getClass()) { 4103 return false; 4104 } 4105 return s1.equals(s2); 4106 } 4107 4108 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4109 if (pi1.icon != pi2.icon) return false; 4110 if (pi1.logo != pi2.logo) return false; 4111 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4112 if (!compareStrings(pi1.name, pi2.name)) return false; 4113 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4114 // We'll take care of setting this one. 4115 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4116 // These are not currently stored in settings. 4117 //if (!compareStrings(pi1.group, pi2.group)) return false; 4118 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4119 //if (pi1.labelRes != pi2.labelRes) return false; 4120 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4121 return true; 4122 } 4123 4124 int permissionInfoFootprint(PermissionInfo info) { 4125 int size = info.name.length(); 4126 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4127 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4128 return size; 4129 } 4130 4131 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4132 int size = 0; 4133 for (BasePermission perm : mSettings.mPermissions.values()) { 4134 if (perm.uid == tree.uid) { 4135 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4136 } 4137 } 4138 return size; 4139 } 4140 4141 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4142 // We calculate the max size of permissions defined by this uid and throw 4143 // if that plus the size of 'info' would exceed our stated maximum. 4144 if (tree.uid != Process.SYSTEM_UID) { 4145 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4146 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4147 throw new SecurityException("Permission tree size cap exceeded"); 4148 } 4149 } 4150 } 4151 4152 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4153 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4154 throw new SecurityException("Label must be specified in permission"); 4155 } 4156 BasePermission tree = checkPermissionTreeLP(info.name); 4157 BasePermission bp = mSettings.mPermissions.get(info.name); 4158 boolean added = bp == null; 4159 boolean changed = true; 4160 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4161 if (added) { 4162 enforcePermissionCapLocked(info, tree); 4163 bp = new BasePermission(info.name, tree.sourcePackage, 4164 BasePermission.TYPE_DYNAMIC); 4165 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4166 throw new SecurityException( 4167 "Not allowed to modify non-dynamic permission " 4168 + info.name); 4169 } else { 4170 if (bp.protectionLevel == fixedLevel 4171 && bp.perm.owner.equals(tree.perm.owner) 4172 && bp.uid == tree.uid 4173 && comparePermissionInfos(bp.perm.info, info)) { 4174 changed = false; 4175 } 4176 } 4177 bp.protectionLevel = fixedLevel; 4178 info = new PermissionInfo(info); 4179 info.protectionLevel = fixedLevel; 4180 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4181 bp.perm.info.packageName = tree.perm.info.packageName; 4182 bp.uid = tree.uid; 4183 if (added) { 4184 mSettings.mPermissions.put(info.name, bp); 4185 } 4186 if (changed) { 4187 if (!async) { 4188 mSettings.writeLPr(); 4189 } else { 4190 scheduleWriteSettingsLocked(); 4191 } 4192 } 4193 return added; 4194 } 4195 4196 @Override 4197 public boolean addPermission(PermissionInfo info) { 4198 synchronized (mPackages) { 4199 return addPermissionLocked(info, false); 4200 } 4201 } 4202 4203 @Override 4204 public boolean addPermissionAsync(PermissionInfo info) { 4205 synchronized (mPackages) { 4206 return addPermissionLocked(info, true); 4207 } 4208 } 4209 4210 @Override 4211 public void removePermission(String name) { 4212 synchronized (mPackages) { 4213 checkPermissionTreeLP(name); 4214 BasePermission bp = mSettings.mPermissions.get(name); 4215 if (bp != null) { 4216 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4217 throw new SecurityException( 4218 "Not allowed to modify non-dynamic permission " 4219 + name); 4220 } 4221 mSettings.mPermissions.remove(name); 4222 mSettings.writeLPr(); 4223 } 4224 } 4225 } 4226 4227 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4228 BasePermission bp) { 4229 int index = pkg.requestedPermissions.indexOf(bp.name); 4230 if (index == -1) { 4231 throw new SecurityException("Package " + pkg.packageName 4232 + " has not requested permission " + bp.name); 4233 } 4234 if (!bp.isRuntime() && !bp.isDevelopment()) { 4235 throw new SecurityException("Permission " + bp.name 4236 + " is not a changeable permission type"); 4237 } 4238 } 4239 4240 @Override 4241 public void grantRuntimePermission(String packageName, String name, final int userId) { 4242 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4243 } 4244 4245 private void grantRuntimePermission(String packageName, String name, final int userId, 4246 boolean overridePolicy) { 4247 if (!sUserManager.exists(userId)) { 4248 Log.e(TAG, "No such user:" + userId); 4249 return; 4250 } 4251 4252 mContext.enforceCallingOrSelfPermission( 4253 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4254 "grantRuntimePermission"); 4255 4256 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4257 true /* requireFullPermission */, true /* checkShell */, 4258 "grantRuntimePermission"); 4259 4260 final int uid; 4261 final SettingBase sb; 4262 4263 synchronized (mPackages) { 4264 final PackageParser.Package pkg = mPackages.get(packageName); 4265 if (pkg == null) { 4266 throw new IllegalArgumentException("Unknown package: " + packageName); 4267 } 4268 4269 final BasePermission bp = mSettings.mPermissions.get(name); 4270 if (bp == null) { 4271 throw new IllegalArgumentException("Unknown permission: " + name); 4272 } 4273 4274 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4275 4276 // If a permission review is required for legacy apps we represent 4277 // their permissions as always granted runtime ones since we need 4278 // to keep the review required permission flag per user while an 4279 // install permission's state is shared across all users. 4280 if (mPermissionReviewRequired 4281 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4282 && bp.isRuntime()) { 4283 return; 4284 } 4285 4286 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4287 sb = (SettingBase) pkg.mExtras; 4288 if (sb == null) { 4289 throw new IllegalArgumentException("Unknown package: " + packageName); 4290 } 4291 4292 final PermissionsState permissionsState = sb.getPermissionsState(); 4293 4294 final int flags = permissionsState.getPermissionFlags(name, userId); 4295 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4296 throw new SecurityException("Cannot grant system fixed permission " 4297 + name + " for package " + packageName); 4298 } 4299 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4300 throw new SecurityException("Cannot grant policy fixed permission " 4301 + name + " for package " + packageName); 4302 } 4303 4304 if (bp.isDevelopment()) { 4305 // Development permissions must be handled specially, since they are not 4306 // normal runtime permissions. For now they apply to all users. 4307 if (permissionsState.grantInstallPermission(bp) != 4308 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4309 scheduleWriteSettingsLocked(); 4310 } 4311 return; 4312 } 4313 4314 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 4315 throw new SecurityException("Cannot grant non-ephemeral permission" 4316 + name + " for package " + packageName); 4317 } 4318 4319 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4320 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4321 return; 4322 } 4323 4324 final int result = permissionsState.grantRuntimePermission(bp, userId); 4325 switch (result) { 4326 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4327 return; 4328 } 4329 4330 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4331 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4332 mHandler.post(new Runnable() { 4333 @Override 4334 public void run() { 4335 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4336 } 4337 }); 4338 } 4339 break; 4340 } 4341 4342 if (bp.isRuntime()) { 4343 logPermissionGranted(mContext, name, packageName); 4344 } 4345 4346 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4347 4348 // Not critical if that is lost - app has to request again. 4349 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4350 } 4351 4352 // Only need to do this if user is initialized. Otherwise it's a new user 4353 // and there are no processes running as the user yet and there's no need 4354 // to make an expensive call to remount processes for the changed permissions. 4355 if (READ_EXTERNAL_STORAGE.equals(name) 4356 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4357 final long token = Binder.clearCallingIdentity(); 4358 try { 4359 if (sUserManager.isInitialized(userId)) { 4360 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4361 StorageManagerInternal.class); 4362 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4363 } 4364 } finally { 4365 Binder.restoreCallingIdentity(token); 4366 } 4367 } 4368 } 4369 4370 @Override 4371 public void revokeRuntimePermission(String packageName, String name, int userId) { 4372 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4373 } 4374 4375 private void revokeRuntimePermission(String packageName, String name, int userId, 4376 boolean overridePolicy) { 4377 if (!sUserManager.exists(userId)) { 4378 Log.e(TAG, "No such user:" + userId); 4379 return; 4380 } 4381 4382 mContext.enforceCallingOrSelfPermission( 4383 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4384 "revokeRuntimePermission"); 4385 4386 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4387 true /* requireFullPermission */, true /* checkShell */, 4388 "revokeRuntimePermission"); 4389 4390 final int appId; 4391 4392 synchronized (mPackages) { 4393 final PackageParser.Package pkg = mPackages.get(packageName); 4394 if (pkg == null) { 4395 throw new IllegalArgumentException("Unknown package: " + packageName); 4396 } 4397 4398 final BasePermission bp = mSettings.mPermissions.get(name); 4399 if (bp == null) { 4400 throw new IllegalArgumentException("Unknown permission: " + name); 4401 } 4402 4403 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4404 4405 // If a permission review is required for legacy apps we represent 4406 // their permissions as always granted runtime ones since we need 4407 // to keep the review required permission flag per user while an 4408 // install permission's state is shared across all users. 4409 if (mPermissionReviewRequired 4410 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4411 && bp.isRuntime()) { 4412 return; 4413 } 4414 4415 SettingBase sb = (SettingBase) pkg.mExtras; 4416 if (sb == null) { 4417 throw new IllegalArgumentException("Unknown package: " + packageName); 4418 } 4419 4420 final PermissionsState permissionsState = sb.getPermissionsState(); 4421 4422 final int flags = permissionsState.getPermissionFlags(name, userId); 4423 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4424 throw new SecurityException("Cannot revoke system fixed permission " 4425 + name + " for package " + packageName); 4426 } 4427 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4428 throw new SecurityException("Cannot revoke policy fixed permission " 4429 + name + " for package " + packageName); 4430 } 4431 4432 if (bp.isDevelopment()) { 4433 // Development permissions must be handled specially, since they are not 4434 // normal runtime permissions. For now they apply to all users. 4435 if (permissionsState.revokeInstallPermission(bp) != 4436 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4437 scheduleWriteSettingsLocked(); 4438 } 4439 return; 4440 } 4441 4442 if (permissionsState.revokeRuntimePermission(bp, userId) == 4443 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4444 return; 4445 } 4446 4447 if (bp.isRuntime()) { 4448 logPermissionRevoked(mContext, name, packageName); 4449 } 4450 4451 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4452 4453 // Critical, after this call app should never have the permission. 4454 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4455 4456 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4457 } 4458 4459 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4460 } 4461 4462 /** 4463 * Get the first event id for the permission. 4464 * 4465 * <p>There are four events for each permission: <ul> 4466 * <li>Request permission: first id + 0</li> 4467 * <li>Grant permission: first id + 1</li> 4468 * <li>Request for permission denied: first id + 2</li> 4469 * <li>Revoke permission: first id + 3</li> 4470 * </ul></p> 4471 * 4472 * @param name name of the permission 4473 * 4474 * @return The first event id for the permission 4475 */ 4476 private static int getBaseEventId(@NonNull String name) { 4477 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 4478 4479 if (eventIdIndex == -1) { 4480 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 4481 || "user".equals(Build.TYPE)) { 4482 Log.i(TAG, "Unknown permission " + name); 4483 4484 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 4485 } else { 4486 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 4487 // 4488 // Also update 4489 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 4490 // - metrics_constants.proto 4491 throw new IllegalStateException("Unknown permission " + name); 4492 } 4493 } 4494 4495 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 4496 } 4497 4498 /** 4499 * Log that a permission was revoked. 4500 * 4501 * @param context Context of the caller 4502 * @param name name of the permission 4503 * @param packageName package permission if for 4504 */ 4505 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 4506 @NonNull String packageName) { 4507 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 4508 } 4509 4510 /** 4511 * Log that a permission request was granted. 4512 * 4513 * @param context Context of the caller 4514 * @param name name of the permission 4515 * @param packageName package permission if for 4516 */ 4517 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 4518 @NonNull String packageName) { 4519 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 4520 } 4521 4522 @Override 4523 public void resetRuntimePermissions() { 4524 mContext.enforceCallingOrSelfPermission( 4525 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4526 "revokeRuntimePermission"); 4527 4528 int callingUid = Binder.getCallingUid(); 4529 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4530 mContext.enforceCallingOrSelfPermission( 4531 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4532 "resetRuntimePermissions"); 4533 } 4534 4535 synchronized (mPackages) { 4536 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4537 for (int userId : UserManagerService.getInstance().getUserIds()) { 4538 final int packageCount = mPackages.size(); 4539 for (int i = 0; i < packageCount; i++) { 4540 PackageParser.Package pkg = mPackages.valueAt(i); 4541 if (!(pkg.mExtras instanceof PackageSetting)) { 4542 continue; 4543 } 4544 PackageSetting ps = (PackageSetting) pkg.mExtras; 4545 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4546 } 4547 } 4548 } 4549 } 4550 4551 @Override 4552 public int getPermissionFlags(String name, String packageName, int userId) { 4553 if (!sUserManager.exists(userId)) { 4554 return 0; 4555 } 4556 4557 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4558 4559 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4560 true /* requireFullPermission */, false /* checkShell */, 4561 "getPermissionFlags"); 4562 4563 synchronized (mPackages) { 4564 final PackageParser.Package pkg = mPackages.get(packageName); 4565 if (pkg == null) { 4566 return 0; 4567 } 4568 4569 final BasePermission bp = mSettings.mPermissions.get(name); 4570 if (bp == null) { 4571 return 0; 4572 } 4573 4574 SettingBase sb = (SettingBase) pkg.mExtras; 4575 if (sb == null) { 4576 return 0; 4577 } 4578 4579 PermissionsState permissionsState = sb.getPermissionsState(); 4580 return permissionsState.getPermissionFlags(name, userId); 4581 } 4582 } 4583 4584 @Override 4585 public void updatePermissionFlags(String name, String packageName, int flagMask, 4586 int flagValues, int userId) { 4587 if (!sUserManager.exists(userId)) { 4588 return; 4589 } 4590 4591 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4592 4593 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4594 true /* requireFullPermission */, true /* checkShell */, 4595 "updatePermissionFlags"); 4596 4597 // Only the system can change these flags and nothing else. 4598 if (getCallingUid() != Process.SYSTEM_UID) { 4599 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4600 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4601 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4602 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4603 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4604 } 4605 4606 synchronized (mPackages) { 4607 final PackageParser.Package pkg = mPackages.get(packageName); 4608 if (pkg == null) { 4609 throw new IllegalArgumentException("Unknown package: " + packageName); 4610 } 4611 4612 final BasePermission bp = mSettings.mPermissions.get(name); 4613 if (bp == null) { 4614 throw new IllegalArgumentException("Unknown permission: " + name); 4615 } 4616 4617 SettingBase sb = (SettingBase) pkg.mExtras; 4618 if (sb == null) { 4619 throw new IllegalArgumentException("Unknown package: " + packageName); 4620 } 4621 4622 PermissionsState permissionsState = sb.getPermissionsState(); 4623 4624 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4625 4626 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4627 // Install and runtime permissions are stored in different places, 4628 // so figure out what permission changed and persist the change. 4629 if (permissionsState.getInstallPermissionState(name) != null) { 4630 scheduleWriteSettingsLocked(); 4631 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4632 || hadState) { 4633 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4634 } 4635 } 4636 } 4637 } 4638 4639 /** 4640 * Update the permission flags for all packages and runtime permissions of a user in order 4641 * to allow device or profile owner to remove POLICY_FIXED. 4642 */ 4643 @Override 4644 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4645 if (!sUserManager.exists(userId)) { 4646 return; 4647 } 4648 4649 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4650 4651 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4652 true /* requireFullPermission */, true /* checkShell */, 4653 "updatePermissionFlagsForAllApps"); 4654 4655 // Only the system can change system fixed flags. 4656 if (getCallingUid() != Process.SYSTEM_UID) { 4657 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4658 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4659 } 4660 4661 synchronized (mPackages) { 4662 boolean changed = false; 4663 final int packageCount = mPackages.size(); 4664 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4665 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4666 SettingBase sb = (SettingBase) pkg.mExtras; 4667 if (sb == null) { 4668 continue; 4669 } 4670 PermissionsState permissionsState = sb.getPermissionsState(); 4671 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4672 userId, flagMask, flagValues); 4673 } 4674 if (changed) { 4675 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4676 } 4677 } 4678 } 4679 4680 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4681 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4682 != PackageManager.PERMISSION_GRANTED 4683 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4684 != PackageManager.PERMISSION_GRANTED) { 4685 throw new SecurityException(message + " requires " 4686 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4687 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4688 } 4689 } 4690 4691 @Override 4692 public boolean shouldShowRequestPermissionRationale(String permissionName, 4693 String packageName, int userId) { 4694 if (UserHandle.getCallingUserId() != userId) { 4695 mContext.enforceCallingPermission( 4696 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4697 "canShowRequestPermissionRationale for user " + userId); 4698 } 4699 4700 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4701 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4702 return false; 4703 } 4704 4705 if (checkPermission(permissionName, packageName, userId) 4706 == PackageManager.PERMISSION_GRANTED) { 4707 return false; 4708 } 4709 4710 final int flags; 4711 4712 final long identity = Binder.clearCallingIdentity(); 4713 try { 4714 flags = getPermissionFlags(permissionName, 4715 packageName, userId); 4716 } finally { 4717 Binder.restoreCallingIdentity(identity); 4718 } 4719 4720 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4721 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4722 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4723 4724 if ((flags & fixedFlags) != 0) { 4725 return false; 4726 } 4727 4728 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4729 } 4730 4731 @Override 4732 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4733 mContext.enforceCallingOrSelfPermission( 4734 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4735 "addOnPermissionsChangeListener"); 4736 4737 synchronized (mPackages) { 4738 mOnPermissionChangeListeners.addListenerLocked(listener); 4739 } 4740 } 4741 4742 @Override 4743 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4744 synchronized (mPackages) { 4745 mOnPermissionChangeListeners.removeListenerLocked(listener); 4746 } 4747 } 4748 4749 @Override 4750 public boolean isProtectedBroadcast(String actionName) { 4751 synchronized (mPackages) { 4752 if (mProtectedBroadcasts.contains(actionName)) { 4753 return true; 4754 } else if (actionName != null) { 4755 // TODO: remove these terrible hacks 4756 if (actionName.startsWith("android.net.netmon.lingerExpired") 4757 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4758 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4759 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4760 return true; 4761 } 4762 } 4763 } 4764 return false; 4765 } 4766 4767 @Override 4768 public int checkSignatures(String pkg1, String pkg2) { 4769 synchronized (mPackages) { 4770 final PackageParser.Package p1 = mPackages.get(pkg1); 4771 final PackageParser.Package p2 = mPackages.get(pkg2); 4772 if (p1 == null || p1.mExtras == null 4773 || p2 == null || p2.mExtras == null) { 4774 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4775 } 4776 return compareSignatures(p1.mSignatures, p2.mSignatures); 4777 } 4778 } 4779 4780 @Override 4781 public int checkUidSignatures(int uid1, int uid2) { 4782 // Map to base uids. 4783 uid1 = UserHandle.getAppId(uid1); 4784 uid2 = UserHandle.getAppId(uid2); 4785 // reader 4786 synchronized (mPackages) { 4787 Signature[] s1; 4788 Signature[] s2; 4789 Object obj = mSettings.getUserIdLPr(uid1); 4790 if (obj != null) { 4791 if (obj instanceof SharedUserSetting) { 4792 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4793 } else if (obj instanceof PackageSetting) { 4794 s1 = ((PackageSetting)obj).signatures.mSignatures; 4795 } else { 4796 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4797 } 4798 } else { 4799 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4800 } 4801 obj = mSettings.getUserIdLPr(uid2); 4802 if (obj != null) { 4803 if (obj instanceof SharedUserSetting) { 4804 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4805 } else if (obj instanceof PackageSetting) { 4806 s2 = ((PackageSetting)obj).signatures.mSignatures; 4807 } else { 4808 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4809 } 4810 } else { 4811 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4812 } 4813 return compareSignatures(s1, s2); 4814 } 4815 } 4816 4817 /** 4818 * This method should typically only be used when granting or revoking 4819 * permissions, since the app may immediately restart after this call. 4820 * <p> 4821 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4822 * guard your work against the app being relaunched. 4823 */ 4824 private void killUid(int appId, int userId, String reason) { 4825 final long identity = Binder.clearCallingIdentity(); 4826 try { 4827 IActivityManager am = ActivityManager.getService(); 4828 if (am != null) { 4829 try { 4830 am.killUid(appId, userId, reason); 4831 } catch (RemoteException e) { 4832 /* ignore - same process */ 4833 } 4834 } 4835 } finally { 4836 Binder.restoreCallingIdentity(identity); 4837 } 4838 } 4839 4840 /** 4841 * Compares two sets of signatures. Returns: 4842 * <br /> 4843 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4844 * <br /> 4845 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4846 * <br /> 4847 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4848 * <br /> 4849 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4850 * <br /> 4851 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4852 */ 4853 static int compareSignatures(Signature[] s1, Signature[] s2) { 4854 if (s1 == null) { 4855 return s2 == null 4856 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4857 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4858 } 4859 4860 if (s2 == null) { 4861 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4862 } 4863 4864 if (s1.length != s2.length) { 4865 return PackageManager.SIGNATURE_NO_MATCH; 4866 } 4867 4868 // Since both signature sets are of size 1, we can compare without HashSets. 4869 if (s1.length == 1) { 4870 return s1[0].equals(s2[0]) ? 4871 PackageManager.SIGNATURE_MATCH : 4872 PackageManager.SIGNATURE_NO_MATCH; 4873 } 4874 4875 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4876 for (Signature sig : s1) { 4877 set1.add(sig); 4878 } 4879 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4880 for (Signature sig : s2) { 4881 set2.add(sig); 4882 } 4883 // Make sure s2 contains all signatures in s1. 4884 if (set1.equals(set2)) { 4885 return PackageManager.SIGNATURE_MATCH; 4886 } 4887 return PackageManager.SIGNATURE_NO_MATCH; 4888 } 4889 4890 /** 4891 * If the database version for this type of package (internal storage or 4892 * external storage) is less than the version where package signatures 4893 * were updated, return true. 4894 */ 4895 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4896 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4897 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4898 } 4899 4900 /** 4901 * Used for backward compatibility to make sure any packages with 4902 * certificate chains get upgraded to the new style. {@code existingSigs} 4903 * will be in the old format (since they were stored on disk from before the 4904 * system upgrade) and {@code scannedSigs} will be in the newer format. 4905 */ 4906 private int compareSignaturesCompat(PackageSignatures existingSigs, 4907 PackageParser.Package scannedPkg) { 4908 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4909 return PackageManager.SIGNATURE_NO_MATCH; 4910 } 4911 4912 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4913 for (Signature sig : existingSigs.mSignatures) { 4914 existingSet.add(sig); 4915 } 4916 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4917 for (Signature sig : scannedPkg.mSignatures) { 4918 try { 4919 Signature[] chainSignatures = sig.getChainSignatures(); 4920 for (Signature chainSig : chainSignatures) { 4921 scannedCompatSet.add(chainSig); 4922 } 4923 } catch (CertificateEncodingException e) { 4924 scannedCompatSet.add(sig); 4925 } 4926 } 4927 /* 4928 * Make sure the expanded scanned set contains all signatures in the 4929 * existing one. 4930 */ 4931 if (scannedCompatSet.equals(existingSet)) { 4932 // Migrate the old signatures to the new scheme. 4933 existingSigs.assignSignatures(scannedPkg.mSignatures); 4934 // The new KeySets will be re-added later in the scanning process. 4935 synchronized (mPackages) { 4936 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4937 } 4938 return PackageManager.SIGNATURE_MATCH; 4939 } 4940 return PackageManager.SIGNATURE_NO_MATCH; 4941 } 4942 4943 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4944 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4945 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4946 } 4947 4948 private int compareSignaturesRecover(PackageSignatures existingSigs, 4949 PackageParser.Package scannedPkg) { 4950 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4951 return PackageManager.SIGNATURE_NO_MATCH; 4952 } 4953 4954 String msg = null; 4955 try { 4956 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4957 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4958 + scannedPkg.packageName); 4959 return PackageManager.SIGNATURE_MATCH; 4960 } 4961 } catch (CertificateException e) { 4962 msg = e.getMessage(); 4963 } 4964 4965 logCriticalInfo(Log.INFO, 4966 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4967 return PackageManager.SIGNATURE_NO_MATCH; 4968 } 4969 4970 @Override 4971 public List<String> getAllPackages() { 4972 synchronized (mPackages) { 4973 return new ArrayList<String>(mPackages.keySet()); 4974 } 4975 } 4976 4977 @Override 4978 public String[] getPackagesForUid(int uid) { 4979 final int userId = UserHandle.getUserId(uid); 4980 uid = UserHandle.getAppId(uid); 4981 // reader 4982 synchronized (mPackages) { 4983 Object obj = mSettings.getUserIdLPr(uid); 4984 if (obj instanceof SharedUserSetting) { 4985 final SharedUserSetting sus = (SharedUserSetting) obj; 4986 final int N = sus.packages.size(); 4987 String[] res = new String[N]; 4988 final Iterator<PackageSetting> it = sus.packages.iterator(); 4989 int i = 0; 4990 while (it.hasNext()) { 4991 PackageSetting ps = it.next(); 4992 if (ps.getInstalled(userId)) { 4993 res[i++] = ps.name; 4994 } else { 4995 res = ArrayUtils.removeElement(String.class, res, res[i]); 4996 } 4997 } 4998 return res; 4999 } else if (obj instanceof PackageSetting) { 5000 final PackageSetting ps = (PackageSetting) obj; 5001 return new String[] { ps.name }; 5002 } 5003 } 5004 return null; 5005 } 5006 5007 @Override 5008 public String getNameForUid(int uid) { 5009 // reader 5010 synchronized (mPackages) { 5011 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5012 if (obj instanceof SharedUserSetting) { 5013 final SharedUserSetting sus = (SharedUserSetting) obj; 5014 return sus.name + ":" + sus.userId; 5015 } else if (obj instanceof PackageSetting) { 5016 final PackageSetting ps = (PackageSetting) obj; 5017 return ps.name; 5018 } 5019 } 5020 return null; 5021 } 5022 5023 @Override 5024 public int getUidForSharedUser(String sharedUserName) { 5025 if(sharedUserName == null) { 5026 return -1; 5027 } 5028 // reader 5029 synchronized (mPackages) { 5030 SharedUserSetting suid; 5031 try { 5032 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5033 if (suid != null) { 5034 return suid.userId; 5035 } 5036 } catch (PackageManagerException ignore) { 5037 // can't happen, but, still need to catch it 5038 } 5039 return -1; 5040 } 5041 } 5042 5043 @Override 5044 public int getFlagsForUid(int uid) { 5045 synchronized (mPackages) { 5046 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5047 if (obj instanceof SharedUserSetting) { 5048 final SharedUserSetting sus = (SharedUserSetting) obj; 5049 return sus.pkgFlags; 5050 } else if (obj instanceof PackageSetting) { 5051 final PackageSetting ps = (PackageSetting) obj; 5052 return ps.pkgFlags; 5053 } 5054 } 5055 return 0; 5056 } 5057 5058 @Override 5059 public int getPrivateFlagsForUid(int uid) { 5060 synchronized (mPackages) { 5061 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5062 if (obj instanceof SharedUserSetting) { 5063 final SharedUserSetting sus = (SharedUserSetting) obj; 5064 return sus.pkgPrivateFlags; 5065 } else if (obj instanceof PackageSetting) { 5066 final PackageSetting ps = (PackageSetting) obj; 5067 return ps.pkgPrivateFlags; 5068 } 5069 } 5070 return 0; 5071 } 5072 5073 @Override 5074 public boolean isUidPrivileged(int uid) { 5075 uid = UserHandle.getAppId(uid); 5076 // reader 5077 synchronized (mPackages) { 5078 Object obj = mSettings.getUserIdLPr(uid); 5079 if (obj instanceof SharedUserSetting) { 5080 final SharedUserSetting sus = (SharedUserSetting) obj; 5081 final Iterator<PackageSetting> it = sus.packages.iterator(); 5082 while (it.hasNext()) { 5083 if (it.next().isPrivileged()) { 5084 return true; 5085 } 5086 } 5087 } else if (obj instanceof PackageSetting) { 5088 final PackageSetting ps = (PackageSetting) obj; 5089 return ps.isPrivileged(); 5090 } 5091 } 5092 return false; 5093 } 5094 5095 @Override 5096 public String[] getAppOpPermissionPackages(String permissionName) { 5097 synchronized (mPackages) { 5098 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 5099 if (pkgs == null) { 5100 return null; 5101 } 5102 return pkgs.toArray(new String[pkgs.size()]); 5103 } 5104 } 5105 5106 @Override 5107 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5108 int flags, int userId) { 5109 try { 5110 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5111 5112 if (!sUserManager.exists(userId)) return null; 5113 flags = updateFlagsForResolve(flags, userId, intent); 5114 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5115 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5116 5117 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5118 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5119 flags, userId); 5120 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5121 5122 final ResolveInfo bestChoice = 5123 chooseBestActivity(intent, resolvedType, flags, query, userId); 5124 return bestChoice; 5125 } finally { 5126 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5127 } 5128 } 5129 5130 @Override 5131 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5132 IntentFilter filter, int match, ComponentName activity) { 5133 final int userId = UserHandle.getCallingUserId(); 5134 if (DEBUG_PREFERRED) { 5135 Log.v(TAG, "setLastChosenActivity intent=" + intent 5136 + " resolvedType=" + resolvedType 5137 + " flags=" + flags 5138 + " filter=" + filter 5139 + " match=" + match 5140 + " activity=" + activity); 5141 filter.dump(new PrintStreamPrinter(System.out), " "); 5142 } 5143 intent.setComponent(null); 5144 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5145 userId); 5146 // Find any earlier preferred or last chosen entries and nuke them 5147 findPreferredActivity(intent, resolvedType, 5148 flags, query, 0, false, true, false, userId); 5149 // Add the new activity as the last chosen for this filter 5150 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5151 "Setting last chosen"); 5152 } 5153 5154 @Override 5155 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5156 final int userId = UserHandle.getCallingUserId(); 5157 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5158 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5159 userId); 5160 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5161 false, false, false, userId); 5162 } 5163 5164 private boolean isEphemeralDisabled() { 5165 // ephemeral apps have been disabled across the board 5166 if (DISABLE_EPHEMERAL_APPS) { 5167 return true; 5168 } 5169 // system isn't up yet; can't read settings, so, assume no ephemeral apps 5170 if (!mSystemReady) { 5171 return true; 5172 } 5173 // we can't get a content resolver until the system is ready; these checks must happen last 5174 final ContentResolver resolver = mContext.getContentResolver(); 5175 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 5176 return true; 5177 } 5178 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 5179 } 5180 5181 private boolean isEphemeralAllowed( 5182 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5183 boolean skipPackageCheck) { 5184 // Short circuit and return early if possible. 5185 if (isEphemeralDisabled()) { 5186 return false; 5187 } 5188 final int callingUser = UserHandle.getCallingUserId(); 5189 if (callingUser != UserHandle.USER_SYSTEM) { 5190 return false; 5191 } 5192 if (mEphemeralResolverConnection == null) { 5193 return false; 5194 } 5195 if (mEphemeralInstallerComponent == null) { 5196 return false; 5197 } 5198 if (intent.getComponent() != null) { 5199 return false; 5200 } 5201 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5202 return false; 5203 } 5204 if (!skipPackageCheck && intent.getPackage() != null) { 5205 return false; 5206 } 5207 final boolean isWebUri = hasWebURI(intent); 5208 if (!isWebUri || intent.getData().getHost() == null) { 5209 return false; 5210 } 5211 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5212 synchronized (mPackages) { 5213 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5214 for (int n = 0; n < count; n++) { 5215 ResolveInfo info = resolvedActivities.get(n); 5216 String packageName = info.activityInfo.packageName; 5217 PackageSetting ps = mSettings.mPackages.get(packageName); 5218 if (ps != null) { 5219 // Try to get the status from User settings first 5220 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5221 int status = (int) (packedStatus >> 32); 5222 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5223 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5224 if (DEBUG_EPHEMERAL) { 5225 Slog.v(TAG, "DENY ephemeral apps;" 5226 + " pkg: " + packageName + ", status: " + status); 5227 } 5228 return false; 5229 } 5230 } 5231 } 5232 } 5233 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5234 return true; 5235 } 5236 5237 private void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 5238 Intent origIntent, String resolvedType, Intent launchIntent, String callingPackage, 5239 int userId) { 5240 final Message msg = mHandler.obtainMessage(EPHEMERAL_RESOLUTION_PHASE_TWO, 5241 new EphemeralRequest(responseObj, origIntent, resolvedType, launchIntent, 5242 callingPackage, userId)); 5243 mHandler.sendMessage(msg); 5244 } 5245 5246 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5247 int flags, List<ResolveInfo> query, int userId) { 5248 if (query != null) { 5249 final int N = query.size(); 5250 if (N == 1) { 5251 return query.get(0); 5252 } else if (N > 1) { 5253 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5254 // If there is more than one activity with the same priority, 5255 // then let the user decide between them. 5256 ResolveInfo r0 = query.get(0); 5257 ResolveInfo r1 = query.get(1); 5258 if (DEBUG_INTENT_MATCHING || debug) { 5259 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5260 + r1.activityInfo.name + "=" + r1.priority); 5261 } 5262 // If the first activity has a higher priority, or a different 5263 // default, then it is always desirable to pick it. 5264 if (r0.priority != r1.priority 5265 || r0.preferredOrder != r1.preferredOrder 5266 || r0.isDefault != r1.isDefault) { 5267 return query.get(0); 5268 } 5269 // If we have saved a preference for a preferred activity for 5270 // this Intent, use that. 5271 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5272 flags, query, r0.priority, true, false, debug, userId); 5273 if (ri != null) { 5274 return ri; 5275 } 5276 ri = new ResolveInfo(mResolveInfo); 5277 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5278 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5279 // If all of the options come from the same package, show the application's 5280 // label and icon instead of the generic resolver's. 5281 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5282 // and then throw away the ResolveInfo itself, meaning that the caller loses 5283 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5284 // a fallback for this case; we only set the target package's resources on 5285 // the ResolveInfo, not the ActivityInfo. 5286 final String intentPackage = intent.getPackage(); 5287 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5288 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5289 ri.resolvePackageName = intentPackage; 5290 if (userNeedsBadging(userId)) { 5291 ri.noResourceId = true; 5292 } else { 5293 ri.icon = appi.icon; 5294 } 5295 ri.iconResourceId = appi.icon; 5296 ri.labelRes = appi.labelRes; 5297 } 5298 ri.activityInfo.applicationInfo = new ApplicationInfo( 5299 ri.activityInfo.applicationInfo); 5300 if (userId != 0) { 5301 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5302 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5303 } 5304 // Make sure that the resolver is displayable in car mode 5305 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5306 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5307 return ri; 5308 } 5309 } 5310 return null; 5311 } 5312 5313 /** 5314 * Return true if the given list is not empty and all of its contents have 5315 * an activityInfo with the given package name. 5316 */ 5317 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5318 if (ArrayUtils.isEmpty(list)) { 5319 return false; 5320 } 5321 for (int i = 0, N = list.size(); i < N; i++) { 5322 final ResolveInfo ri = list.get(i); 5323 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5324 if (ai == null || !packageName.equals(ai.packageName)) { 5325 return false; 5326 } 5327 } 5328 return true; 5329 } 5330 5331 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5332 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5333 final int N = query.size(); 5334 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5335 .get(userId); 5336 // Get the list of persistent preferred activities that handle the intent 5337 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5338 List<PersistentPreferredActivity> pprefs = ppir != null 5339 ? ppir.queryIntent(intent, resolvedType, 5340 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5341 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 5342 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId) 5343 : null; 5344 if (pprefs != null && pprefs.size() > 0) { 5345 final int M = pprefs.size(); 5346 for (int i=0; i<M; i++) { 5347 final PersistentPreferredActivity ppa = pprefs.get(i); 5348 if (DEBUG_PREFERRED || debug) { 5349 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5350 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5351 + "\n component=" + ppa.mComponent); 5352 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5353 } 5354 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5355 flags | MATCH_DISABLED_COMPONENTS, userId); 5356 if (DEBUG_PREFERRED || debug) { 5357 Slog.v(TAG, "Found persistent preferred activity:"); 5358 if (ai != null) { 5359 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5360 } else { 5361 Slog.v(TAG, " null"); 5362 } 5363 } 5364 if (ai == null) { 5365 // This previously registered persistent preferred activity 5366 // component is no longer known. Ignore it and do NOT remove it. 5367 continue; 5368 } 5369 for (int j=0; j<N; j++) { 5370 final ResolveInfo ri = query.get(j); 5371 if (!ri.activityInfo.applicationInfo.packageName 5372 .equals(ai.applicationInfo.packageName)) { 5373 continue; 5374 } 5375 if (!ri.activityInfo.name.equals(ai.name)) { 5376 continue; 5377 } 5378 // Found a persistent preference that can handle the intent. 5379 if (DEBUG_PREFERRED || debug) { 5380 Slog.v(TAG, "Returning persistent preferred activity: " + 5381 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5382 } 5383 return ri; 5384 } 5385 } 5386 } 5387 return null; 5388 } 5389 5390 // TODO: handle preferred activities missing while user has amnesia 5391 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5392 List<ResolveInfo> query, int priority, boolean always, 5393 boolean removeMatches, boolean debug, int userId) { 5394 if (!sUserManager.exists(userId)) return null; 5395 flags = updateFlagsForResolve(flags, userId, intent); 5396 // writer 5397 synchronized (mPackages) { 5398 if (intent.getSelector() != null) { 5399 intent = intent.getSelector(); 5400 } 5401 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5402 5403 // Try to find a matching persistent preferred activity. 5404 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5405 debug, userId); 5406 5407 // If a persistent preferred activity matched, use it. 5408 if (pri != null) { 5409 return pri; 5410 } 5411 5412 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5413 // Get the list of preferred activities that handle the intent 5414 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5415 List<PreferredActivity> prefs = pir != null 5416 ? pir.queryIntent(intent, resolvedType, 5417 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5418 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 5419 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId) 5420 : null; 5421 if (prefs != null && prefs.size() > 0) { 5422 boolean changed = false; 5423 try { 5424 // First figure out how good the original match set is. 5425 // We will only allow preferred activities that came 5426 // from the same match quality. 5427 int match = 0; 5428 5429 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5430 5431 final int N = query.size(); 5432 for (int j=0; j<N; j++) { 5433 final ResolveInfo ri = query.get(j); 5434 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5435 + ": 0x" + Integer.toHexString(match)); 5436 if (ri.match > match) { 5437 match = ri.match; 5438 } 5439 } 5440 5441 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5442 + Integer.toHexString(match)); 5443 5444 match &= IntentFilter.MATCH_CATEGORY_MASK; 5445 final int M = prefs.size(); 5446 for (int i=0; i<M; i++) { 5447 final PreferredActivity pa = prefs.get(i); 5448 if (DEBUG_PREFERRED || debug) { 5449 Slog.v(TAG, "Checking PreferredActivity ds=" 5450 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5451 + "\n component=" + pa.mPref.mComponent); 5452 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5453 } 5454 if (pa.mPref.mMatch != match) { 5455 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5456 + Integer.toHexString(pa.mPref.mMatch)); 5457 continue; 5458 } 5459 // If it's not an "always" type preferred activity and that's what we're 5460 // looking for, skip it. 5461 if (always && !pa.mPref.mAlways) { 5462 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5463 continue; 5464 } 5465 final ActivityInfo ai = getActivityInfo( 5466 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5467 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5468 userId); 5469 if (DEBUG_PREFERRED || debug) { 5470 Slog.v(TAG, "Found preferred activity:"); 5471 if (ai != null) { 5472 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5473 } else { 5474 Slog.v(TAG, " null"); 5475 } 5476 } 5477 if (ai == null) { 5478 // This previously registered preferred activity 5479 // component is no longer known. Most likely an update 5480 // to the app was installed and in the new version this 5481 // component no longer exists. Clean it up by removing 5482 // it from the preferred activities list, and skip it. 5483 Slog.w(TAG, "Removing dangling preferred activity: " 5484 + pa.mPref.mComponent); 5485 pir.removeFilter(pa); 5486 changed = true; 5487 continue; 5488 } 5489 for (int j=0; j<N; j++) { 5490 final ResolveInfo ri = query.get(j); 5491 if (!ri.activityInfo.applicationInfo.packageName 5492 .equals(ai.applicationInfo.packageName)) { 5493 continue; 5494 } 5495 if (!ri.activityInfo.name.equals(ai.name)) { 5496 continue; 5497 } 5498 5499 if (removeMatches) { 5500 pir.removeFilter(pa); 5501 changed = true; 5502 if (DEBUG_PREFERRED) { 5503 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5504 } 5505 break; 5506 } 5507 5508 // Okay we found a previously set preferred or last chosen app. 5509 // If the result set is different from when this 5510 // was created, we need to clear it and re-ask the 5511 // user their preference, if we're looking for an "always" type entry. 5512 if (always && !pa.mPref.sameSet(query)) { 5513 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5514 + intent + " type " + resolvedType); 5515 if (DEBUG_PREFERRED) { 5516 Slog.v(TAG, "Removing preferred activity since set changed " 5517 + pa.mPref.mComponent); 5518 } 5519 pir.removeFilter(pa); 5520 // Re-add the filter as a "last chosen" entry (!always) 5521 PreferredActivity lastChosen = new PreferredActivity( 5522 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5523 pir.addFilter(lastChosen); 5524 changed = true; 5525 return null; 5526 } 5527 5528 // Yay! Either the set matched or we're looking for the last chosen 5529 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5530 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5531 return ri; 5532 } 5533 } 5534 } finally { 5535 if (changed) { 5536 if (DEBUG_PREFERRED) { 5537 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5538 } 5539 scheduleWritePackageRestrictionsLocked(userId); 5540 } 5541 } 5542 } 5543 } 5544 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5545 return null; 5546 } 5547 5548 /* 5549 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5550 */ 5551 @Override 5552 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5553 int targetUserId) { 5554 mContext.enforceCallingOrSelfPermission( 5555 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5556 List<CrossProfileIntentFilter> matches = 5557 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5558 if (matches != null) { 5559 int size = matches.size(); 5560 for (int i = 0; i < size; i++) { 5561 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5562 } 5563 } 5564 if (hasWebURI(intent)) { 5565 // cross-profile app linking works only towards the parent. 5566 final UserInfo parent = getProfileParent(sourceUserId); 5567 synchronized(mPackages) { 5568 int flags = updateFlagsForResolve(0, parent.id, intent); 5569 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5570 intent, resolvedType, flags, sourceUserId, parent.id); 5571 return xpDomainInfo != null; 5572 } 5573 } 5574 return false; 5575 } 5576 5577 private UserInfo getProfileParent(int userId) { 5578 final long identity = Binder.clearCallingIdentity(); 5579 try { 5580 return sUserManager.getProfileParent(userId); 5581 } finally { 5582 Binder.restoreCallingIdentity(identity); 5583 } 5584 } 5585 5586 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5587 String resolvedType, int userId) { 5588 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5589 if (resolver != null) { 5590 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, 5591 false /*visibleToEphemeral*/, false /*isEphemeral*/, userId); 5592 } 5593 return null; 5594 } 5595 5596 @Override 5597 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5598 String resolvedType, int flags, int userId) { 5599 try { 5600 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5601 5602 return new ParceledListSlice<>( 5603 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5604 } finally { 5605 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5606 } 5607 } 5608 5609 /** 5610 * Returns the package name of the calling Uid if it's an ephemeral app. If it isn't 5611 * ephemeral, returns {@code null}. 5612 */ 5613 private String getEphemeralPackageName(int callingUid) { 5614 final int appId = UserHandle.getAppId(callingUid); 5615 synchronized (mPackages) { 5616 final Object obj = mSettings.getUserIdLPr(appId); 5617 if (obj instanceof PackageSetting) { 5618 final PackageSetting ps = (PackageSetting) obj; 5619 return ps.pkg.applicationInfo.isEphemeralApp() ? ps.pkg.packageName : null; 5620 } 5621 } 5622 return null; 5623 } 5624 5625 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5626 String resolvedType, int flags, int userId) { 5627 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5628 final String ephemeralPkgName = getEphemeralPackageName(Binder.getCallingUid()); 5629 flags = updateFlagsForResolve(flags, userId, intent); 5630 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5631 false /* requireFullPermission */, false /* checkShell */, 5632 "query intent activities"); 5633 ComponentName comp = intent.getComponent(); 5634 if (comp == null) { 5635 if (intent.getSelector() != null) { 5636 intent = intent.getSelector(); 5637 comp = intent.getComponent(); 5638 } 5639 } 5640 5641 if (comp != null) { 5642 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5643 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5644 if (ai != null) { 5645 // When specifying an explicit component, we prevent the activity from being 5646 // used when either 1) the calling package is normal and the activity is within 5647 // an ephemeral application or 2) the calling package is ephemeral and the 5648 // activity is not visible to ephemeral applications. 5649 boolean matchEphemeral = 5650 (flags & PackageManager.MATCH_EPHEMERAL) != 0; 5651 boolean ephemeralVisibleOnly = 5652 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 5653 boolean blockResolution = 5654 (!matchEphemeral && ephemeralPkgName == null 5655 && (ai.applicationInfo.privateFlags 5656 & ApplicationInfo.PRIVATE_FLAG_EPHEMERAL) != 0) 5657 || (ephemeralVisibleOnly && ephemeralPkgName != null 5658 && (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0); 5659 if (!blockResolution) { 5660 final ResolveInfo ri = new ResolveInfo(); 5661 ri.activityInfo = ai; 5662 list.add(ri); 5663 } 5664 } 5665 return list; 5666 } 5667 5668 // reader 5669 boolean sortResult = false; 5670 boolean addEphemeral = false; 5671 List<ResolveInfo> result; 5672 final String pkgName = intent.getPackage(); 5673 synchronized (mPackages) { 5674 if (pkgName == null) { 5675 List<CrossProfileIntentFilter> matchingFilters = 5676 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5677 // Check for results that need to skip the current profile. 5678 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5679 resolvedType, flags, userId); 5680 if (xpResolveInfo != null) { 5681 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5682 xpResult.add(xpResolveInfo); 5683 return filterForEphemeral( 5684 filterIfNotSystemUser(xpResult, userId), ephemeralPkgName); 5685 } 5686 5687 // Check for results in the current profile. 5688 result = filterIfNotSystemUser(mActivities.queryIntent( 5689 intent, resolvedType, flags, userId), userId); 5690 addEphemeral = 5691 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5692 5693 // Check for cross profile results. 5694 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5695 xpResolveInfo = queryCrossProfileIntents( 5696 matchingFilters, intent, resolvedType, flags, userId, 5697 hasNonNegativePriorityResult); 5698 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5699 boolean isVisibleToUser = filterIfNotSystemUser( 5700 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5701 if (isVisibleToUser) { 5702 result.add(xpResolveInfo); 5703 sortResult = true; 5704 } 5705 } 5706 if (hasWebURI(intent)) { 5707 CrossProfileDomainInfo xpDomainInfo = null; 5708 final UserInfo parent = getProfileParent(userId); 5709 if (parent != null) { 5710 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5711 flags, userId, parent.id); 5712 } 5713 if (xpDomainInfo != null) { 5714 if (xpResolveInfo != null) { 5715 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5716 // in the result. 5717 result.remove(xpResolveInfo); 5718 } 5719 if (result.size() == 0 && !addEphemeral) { 5720 // No result in current profile, but found candidate in parent user. 5721 // And we are not going to add emphemeral app, so we can return the 5722 // result straight away. 5723 result.add(xpDomainInfo.resolveInfo); 5724 return filterForEphemeral(result, ephemeralPkgName); 5725 } 5726 } else if (result.size() <= 1 && !addEphemeral) { 5727 // No result in parent user and <= 1 result in current profile, and we 5728 // are not going to add emphemeral app, so we can return the result without 5729 // further processing. 5730 return filterForEphemeral(result, ephemeralPkgName); 5731 } 5732 // We have more than one candidate (combining results from current and parent 5733 // profile), so we need filtering and sorting. 5734 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5735 intent, flags, result, xpDomainInfo, userId); 5736 sortResult = true; 5737 } 5738 } else { 5739 final PackageParser.Package pkg = mPackages.get(pkgName); 5740 if (pkg != null) { 5741 result = filterForEphemeral(filterIfNotSystemUser( 5742 mActivities.queryIntentForPackage( 5743 intent, resolvedType, flags, pkg.activities, userId), 5744 userId), ephemeralPkgName); 5745 } else { 5746 // the caller wants to resolve for a particular package; however, there 5747 // were no installed results, so, try to find an ephemeral result 5748 addEphemeral = isEphemeralAllowed( 5749 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5750 result = new ArrayList<ResolveInfo>(); 5751 } 5752 } 5753 } 5754 if (addEphemeral) { 5755 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5756 final EphemeralRequest requestObject = new EphemeralRequest( 5757 null /*responseObj*/, intent /*origIntent*/, resolvedType, 5758 null /*launchIntent*/, null /*callingPackage*/, userId); 5759 final EphemeralResponse intentInfo = EphemeralResolver.doEphemeralResolutionPhaseOne( 5760 mContext, mEphemeralResolverConnection, requestObject); 5761 if (intentInfo != null) { 5762 if (DEBUG_EPHEMERAL) { 5763 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5764 } 5765 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5766 ephemeralInstaller.ephemeralResponse = intentInfo; 5767 // make sure this resolver is the default 5768 ephemeralInstaller.isDefault = true; 5769 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5770 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5771 // add a non-generic filter 5772 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5773 ephemeralInstaller.filter.addDataPath( 5774 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5775 result.add(ephemeralInstaller); 5776 } 5777 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5778 } 5779 if (sortResult) { 5780 Collections.sort(result, mResolvePrioritySorter); 5781 } 5782 return filterForEphemeral(result, ephemeralPkgName); 5783 } 5784 5785 private static class CrossProfileDomainInfo { 5786 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5787 ResolveInfo resolveInfo; 5788 /* Best domain verification status of the activities found in the other profile */ 5789 int bestDomainVerificationStatus; 5790 } 5791 5792 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5793 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5794 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5795 sourceUserId)) { 5796 return null; 5797 } 5798 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5799 resolvedType, flags, parentUserId); 5800 5801 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5802 return null; 5803 } 5804 CrossProfileDomainInfo result = null; 5805 int size = resultTargetUser.size(); 5806 for (int i = 0; i < size; i++) { 5807 ResolveInfo riTargetUser = resultTargetUser.get(i); 5808 // Intent filter verification is only for filters that specify a host. So don't return 5809 // those that handle all web uris. 5810 if (riTargetUser.handleAllWebDataURI) { 5811 continue; 5812 } 5813 String packageName = riTargetUser.activityInfo.packageName; 5814 PackageSetting ps = mSettings.mPackages.get(packageName); 5815 if (ps == null) { 5816 continue; 5817 } 5818 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5819 int status = (int)(verificationState >> 32); 5820 if (result == null) { 5821 result = new CrossProfileDomainInfo(); 5822 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5823 sourceUserId, parentUserId); 5824 result.bestDomainVerificationStatus = status; 5825 } else { 5826 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5827 result.bestDomainVerificationStatus); 5828 } 5829 } 5830 // Don't consider matches with status NEVER across profiles. 5831 if (result != null && result.bestDomainVerificationStatus 5832 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5833 return null; 5834 } 5835 return result; 5836 } 5837 5838 /** 5839 * Verification statuses are ordered from the worse to the best, except for 5840 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5841 */ 5842 private int bestDomainVerificationStatus(int status1, int status2) { 5843 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5844 return status2; 5845 } 5846 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5847 return status1; 5848 } 5849 return (int) MathUtils.max(status1, status2); 5850 } 5851 5852 private boolean isUserEnabled(int userId) { 5853 long callingId = Binder.clearCallingIdentity(); 5854 try { 5855 UserInfo userInfo = sUserManager.getUserInfo(userId); 5856 return userInfo != null && userInfo.isEnabled(); 5857 } finally { 5858 Binder.restoreCallingIdentity(callingId); 5859 } 5860 } 5861 5862 /** 5863 * Filter out activities with systemUserOnly flag set, when current user is not System. 5864 * 5865 * @return filtered list 5866 */ 5867 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5868 if (userId == UserHandle.USER_SYSTEM) { 5869 return resolveInfos; 5870 } 5871 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5872 ResolveInfo info = resolveInfos.get(i); 5873 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5874 resolveInfos.remove(i); 5875 } 5876 } 5877 return resolveInfos; 5878 } 5879 5880 /** 5881 * Filters out ephemeral activities. 5882 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 5883 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 5884 * 5885 * @param resolveInfos The pre-filtered list of resolved activities 5886 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 5887 * is performed. 5888 * @return A filtered list of resolved activities. 5889 */ 5890 private List<ResolveInfo> filterForEphemeral(List<ResolveInfo> resolveInfos, 5891 String ephemeralPkgName) { 5892 if (ephemeralPkgName == null) { 5893 return resolveInfos; 5894 } 5895 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5896 ResolveInfo info = resolveInfos.get(i); 5897 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isEphemeralApp(); 5898 // allow activities that are defined in the provided package 5899 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 5900 continue; 5901 } 5902 // allow activities that have been explicitly exposed to ephemeral apps 5903 if (!isEphemeralApp 5904 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 5905 continue; 5906 } 5907 resolveInfos.remove(i); 5908 } 5909 return resolveInfos; 5910 } 5911 5912 /** 5913 * @param resolveInfos list of resolve infos in descending priority order 5914 * @return if the list contains a resolve info with non-negative priority 5915 */ 5916 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5917 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5918 } 5919 5920 private static boolean hasWebURI(Intent intent) { 5921 if (intent.getData() == null) { 5922 return false; 5923 } 5924 final String scheme = intent.getScheme(); 5925 if (TextUtils.isEmpty(scheme)) { 5926 return false; 5927 } 5928 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5929 } 5930 5931 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5932 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5933 int userId) { 5934 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5935 5936 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5937 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5938 candidates.size()); 5939 } 5940 5941 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5942 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5943 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5944 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5945 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5946 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5947 5948 synchronized (mPackages) { 5949 final int count = candidates.size(); 5950 // First, try to use linked apps. Partition the candidates into four lists: 5951 // one for the final results, one for the "do not use ever", one for "undefined status" 5952 // and finally one for "browser app type". 5953 for (int n=0; n<count; n++) { 5954 ResolveInfo info = candidates.get(n); 5955 String packageName = info.activityInfo.packageName; 5956 PackageSetting ps = mSettings.mPackages.get(packageName); 5957 if (ps != null) { 5958 // Add to the special match all list (Browser use case) 5959 if (info.handleAllWebDataURI) { 5960 matchAllList.add(info); 5961 continue; 5962 } 5963 // Try to get the status from User settings first 5964 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5965 int status = (int)(packedStatus >> 32); 5966 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5967 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5968 if (DEBUG_DOMAIN_VERIFICATION) { 5969 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5970 + " : linkgen=" + linkGeneration); 5971 } 5972 // Use link-enabled generation as preferredOrder, i.e. 5973 // prefer newly-enabled over earlier-enabled. 5974 info.preferredOrder = linkGeneration; 5975 alwaysList.add(info); 5976 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5977 if (DEBUG_DOMAIN_VERIFICATION) { 5978 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5979 } 5980 neverList.add(info); 5981 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5982 if (DEBUG_DOMAIN_VERIFICATION) { 5983 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5984 } 5985 alwaysAskList.add(info); 5986 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5987 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5988 if (DEBUG_DOMAIN_VERIFICATION) { 5989 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5990 } 5991 undefinedList.add(info); 5992 } 5993 } 5994 } 5995 5996 // We'll want to include browser possibilities in a few cases 5997 boolean includeBrowser = false; 5998 5999 // First try to add the "always" resolution(s) for the current user, if any 6000 if (alwaysList.size() > 0) { 6001 result.addAll(alwaysList); 6002 } else { 6003 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6004 result.addAll(undefinedList); 6005 // Maybe add one for the other profile. 6006 if (xpDomainInfo != null && ( 6007 xpDomainInfo.bestDomainVerificationStatus 6008 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6009 result.add(xpDomainInfo.resolveInfo); 6010 } 6011 includeBrowser = true; 6012 } 6013 6014 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6015 // If there were 'always' entries their preferred order has been set, so we also 6016 // back that off to make the alternatives equivalent 6017 if (alwaysAskList.size() > 0) { 6018 for (ResolveInfo i : result) { 6019 i.preferredOrder = 0; 6020 } 6021 result.addAll(alwaysAskList); 6022 includeBrowser = true; 6023 } 6024 6025 if (includeBrowser) { 6026 // Also add browsers (all of them or only the default one) 6027 if (DEBUG_DOMAIN_VERIFICATION) { 6028 Slog.v(TAG, " ...including browsers in candidate set"); 6029 } 6030 if ((matchFlags & MATCH_ALL) != 0) { 6031 result.addAll(matchAllList); 6032 } else { 6033 // Browser/generic handling case. If there's a default browser, go straight 6034 // to that (but only if there is no other higher-priority match). 6035 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6036 int maxMatchPrio = 0; 6037 ResolveInfo defaultBrowserMatch = null; 6038 final int numCandidates = matchAllList.size(); 6039 for (int n = 0; n < numCandidates; n++) { 6040 ResolveInfo info = matchAllList.get(n); 6041 // track the highest overall match priority... 6042 if (info.priority > maxMatchPrio) { 6043 maxMatchPrio = info.priority; 6044 } 6045 // ...and the highest-priority default browser match 6046 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6047 if (defaultBrowserMatch == null 6048 || (defaultBrowserMatch.priority < info.priority)) { 6049 if (debug) { 6050 Slog.v(TAG, "Considering default browser match " + info); 6051 } 6052 defaultBrowserMatch = info; 6053 } 6054 } 6055 } 6056 if (defaultBrowserMatch != null 6057 && defaultBrowserMatch.priority >= maxMatchPrio 6058 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6059 { 6060 if (debug) { 6061 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6062 } 6063 result.add(defaultBrowserMatch); 6064 } else { 6065 result.addAll(matchAllList); 6066 } 6067 } 6068 6069 // If there is nothing selected, add all candidates and remove the ones that the user 6070 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6071 if (result.size() == 0) { 6072 result.addAll(candidates); 6073 result.removeAll(neverList); 6074 } 6075 } 6076 } 6077 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6078 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6079 result.size()); 6080 for (ResolveInfo info : result) { 6081 Slog.v(TAG, " + " + info.activityInfo); 6082 } 6083 } 6084 return result; 6085 } 6086 6087 // Returns a packed value as a long: 6088 // 6089 // high 'int'-sized word: link status: undefined/ask/never/always. 6090 // low 'int'-sized word: relative priority among 'always' results. 6091 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6092 long result = ps.getDomainVerificationStatusForUser(userId); 6093 // if none available, get the master status 6094 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6095 if (ps.getIntentFilterVerificationInfo() != null) { 6096 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6097 } 6098 } 6099 return result; 6100 } 6101 6102 private ResolveInfo querySkipCurrentProfileIntents( 6103 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6104 int flags, int sourceUserId) { 6105 if (matchingFilters != null) { 6106 int size = matchingFilters.size(); 6107 for (int i = 0; i < size; i ++) { 6108 CrossProfileIntentFilter filter = matchingFilters.get(i); 6109 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6110 // Checking if there are activities in the target user that can handle the 6111 // intent. 6112 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6113 resolvedType, flags, sourceUserId); 6114 if (resolveInfo != null) { 6115 return resolveInfo; 6116 } 6117 } 6118 } 6119 } 6120 return null; 6121 } 6122 6123 // Return matching ResolveInfo in target user if any. 6124 private ResolveInfo queryCrossProfileIntents( 6125 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6126 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6127 if (matchingFilters != null) { 6128 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6129 // match the same intent. For performance reasons, it is better not to 6130 // run queryIntent twice for the same userId 6131 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6132 int size = matchingFilters.size(); 6133 for (int i = 0; i < size; i++) { 6134 CrossProfileIntentFilter filter = matchingFilters.get(i); 6135 int targetUserId = filter.getTargetUserId(); 6136 boolean skipCurrentProfile = 6137 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6138 boolean skipCurrentProfileIfNoMatchFound = 6139 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6140 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6141 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6142 // Checking if there are activities in the target user that can handle the 6143 // intent. 6144 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6145 resolvedType, flags, sourceUserId); 6146 if (resolveInfo != null) return resolveInfo; 6147 alreadyTriedUserIds.put(targetUserId, true); 6148 } 6149 } 6150 } 6151 return null; 6152 } 6153 6154 /** 6155 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6156 * will forward the intent to the filter's target user. 6157 * Otherwise, returns null. 6158 */ 6159 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6160 String resolvedType, int flags, int sourceUserId) { 6161 int targetUserId = filter.getTargetUserId(); 6162 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6163 resolvedType, flags, targetUserId); 6164 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6165 // If all the matches in the target profile are suspended, return null. 6166 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6167 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6168 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6169 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6170 targetUserId); 6171 } 6172 } 6173 } 6174 return null; 6175 } 6176 6177 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6178 int sourceUserId, int targetUserId) { 6179 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6180 long ident = Binder.clearCallingIdentity(); 6181 boolean targetIsProfile; 6182 try { 6183 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6184 } finally { 6185 Binder.restoreCallingIdentity(ident); 6186 } 6187 String className; 6188 if (targetIsProfile) { 6189 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6190 } else { 6191 className = FORWARD_INTENT_TO_PARENT; 6192 } 6193 ComponentName forwardingActivityComponentName = new ComponentName( 6194 mAndroidApplication.packageName, className); 6195 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6196 sourceUserId); 6197 if (!targetIsProfile) { 6198 forwardingActivityInfo.showUserIcon = targetUserId; 6199 forwardingResolveInfo.noResourceId = true; 6200 } 6201 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6202 forwardingResolveInfo.priority = 0; 6203 forwardingResolveInfo.preferredOrder = 0; 6204 forwardingResolveInfo.match = 0; 6205 forwardingResolveInfo.isDefault = true; 6206 forwardingResolveInfo.filter = filter; 6207 forwardingResolveInfo.targetUserId = targetUserId; 6208 return forwardingResolveInfo; 6209 } 6210 6211 @Override 6212 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6213 Intent[] specifics, String[] specificTypes, Intent intent, 6214 String resolvedType, int flags, int userId) { 6215 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6216 specificTypes, intent, resolvedType, flags, userId)); 6217 } 6218 6219 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6220 Intent[] specifics, String[] specificTypes, Intent intent, 6221 String resolvedType, int flags, int userId) { 6222 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6223 flags = updateFlagsForResolve(flags, userId, intent); 6224 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6225 false /* requireFullPermission */, false /* checkShell */, 6226 "query intent activity options"); 6227 final String resultsAction = intent.getAction(); 6228 6229 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6230 | PackageManager.GET_RESOLVED_FILTER, userId); 6231 6232 if (DEBUG_INTENT_MATCHING) { 6233 Log.v(TAG, "Query " + intent + ": " + results); 6234 } 6235 6236 int specificsPos = 0; 6237 int N; 6238 6239 // todo: note that the algorithm used here is O(N^2). This 6240 // isn't a problem in our current environment, but if we start running 6241 // into situations where we have more than 5 or 10 matches then this 6242 // should probably be changed to something smarter... 6243 6244 // First we go through and resolve each of the specific items 6245 // that were supplied, taking care of removing any corresponding 6246 // duplicate items in the generic resolve list. 6247 if (specifics != null) { 6248 for (int i=0; i<specifics.length; i++) { 6249 final Intent sintent = specifics[i]; 6250 if (sintent == null) { 6251 continue; 6252 } 6253 6254 if (DEBUG_INTENT_MATCHING) { 6255 Log.v(TAG, "Specific #" + i + ": " + sintent); 6256 } 6257 6258 String action = sintent.getAction(); 6259 if (resultsAction != null && resultsAction.equals(action)) { 6260 // If this action was explicitly requested, then don't 6261 // remove things that have it. 6262 action = null; 6263 } 6264 6265 ResolveInfo ri = null; 6266 ActivityInfo ai = null; 6267 6268 ComponentName comp = sintent.getComponent(); 6269 if (comp == null) { 6270 ri = resolveIntent( 6271 sintent, 6272 specificTypes != null ? specificTypes[i] : null, 6273 flags, userId); 6274 if (ri == null) { 6275 continue; 6276 } 6277 if (ri == mResolveInfo) { 6278 // ACK! Must do something better with this. 6279 } 6280 ai = ri.activityInfo; 6281 comp = new ComponentName(ai.applicationInfo.packageName, 6282 ai.name); 6283 } else { 6284 ai = getActivityInfo(comp, flags, userId); 6285 if (ai == null) { 6286 continue; 6287 } 6288 } 6289 6290 // Look for any generic query activities that are duplicates 6291 // of this specific one, and remove them from the results. 6292 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6293 N = results.size(); 6294 int j; 6295 for (j=specificsPos; j<N; j++) { 6296 ResolveInfo sri = results.get(j); 6297 if ((sri.activityInfo.name.equals(comp.getClassName()) 6298 && sri.activityInfo.applicationInfo.packageName.equals( 6299 comp.getPackageName())) 6300 || (action != null && sri.filter.matchAction(action))) { 6301 results.remove(j); 6302 if (DEBUG_INTENT_MATCHING) Log.v( 6303 TAG, "Removing duplicate item from " + j 6304 + " due to specific " + specificsPos); 6305 if (ri == null) { 6306 ri = sri; 6307 } 6308 j--; 6309 N--; 6310 } 6311 } 6312 6313 // Add this specific item to its proper place. 6314 if (ri == null) { 6315 ri = new ResolveInfo(); 6316 ri.activityInfo = ai; 6317 } 6318 results.add(specificsPos, ri); 6319 ri.specificIndex = i; 6320 specificsPos++; 6321 } 6322 } 6323 6324 // Now we go through the remaining generic results and remove any 6325 // duplicate actions that are found here. 6326 N = results.size(); 6327 for (int i=specificsPos; i<N-1; i++) { 6328 final ResolveInfo rii = results.get(i); 6329 if (rii.filter == null) { 6330 continue; 6331 } 6332 6333 // Iterate over all of the actions of this result's intent 6334 // filter... typically this should be just one. 6335 final Iterator<String> it = rii.filter.actionsIterator(); 6336 if (it == null) { 6337 continue; 6338 } 6339 while (it.hasNext()) { 6340 final String action = it.next(); 6341 if (resultsAction != null && resultsAction.equals(action)) { 6342 // If this action was explicitly requested, then don't 6343 // remove things that have it. 6344 continue; 6345 } 6346 for (int j=i+1; j<N; j++) { 6347 final ResolveInfo rij = results.get(j); 6348 if (rij.filter != null && rij.filter.hasAction(action)) { 6349 results.remove(j); 6350 if (DEBUG_INTENT_MATCHING) Log.v( 6351 TAG, "Removing duplicate item from " + j 6352 + " due to action " + action + " at " + i); 6353 j--; 6354 N--; 6355 } 6356 } 6357 } 6358 6359 // If the caller didn't request filter information, drop it now 6360 // so we don't have to marshall/unmarshall it. 6361 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6362 rii.filter = null; 6363 } 6364 } 6365 6366 // Filter out the caller activity if so requested. 6367 if (caller != null) { 6368 N = results.size(); 6369 for (int i=0; i<N; i++) { 6370 ActivityInfo ainfo = results.get(i).activityInfo; 6371 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6372 && caller.getClassName().equals(ainfo.name)) { 6373 results.remove(i); 6374 break; 6375 } 6376 } 6377 } 6378 6379 // If the caller didn't request filter information, 6380 // drop them now so we don't have to 6381 // marshall/unmarshall it. 6382 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6383 N = results.size(); 6384 for (int i=0; i<N; i++) { 6385 results.get(i).filter = null; 6386 } 6387 } 6388 6389 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6390 return results; 6391 } 6392 6393 @Override 6394 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6395 String resolvedType, int flags, int userId) { 6396 return new ParceledListSlice<>( 6397 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6398 } 6399 6400 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6401 String resolvedType, int flags, int userId) { 6402 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6403 flags = updateFlagsForResolve(flags, userId, intent); 6404 ComponentName comp = intent.getComponent(); 6405 if (comp == null) { 6406 if (intent.getSelector() != null) { 6407 intent = intent.getSelector(); 6408 comp = intent.getComponent(); 6409 } 6410 } 6411 if (comp != null) { 6412 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6413 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6414 if (ai != null) { 6415 ResolveInfo ri = new ResolveInfo(); 6416 ri.activityInfo = ai; 6417 list.add(ri); 6418 } 6419 return list; 6420 } 6421 6422 // reader 6423 synchronized (mPackages) { 6424 String pkgName = intent.getPackage(); 6425 if (pkgName == null) { 6426 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6427 } 6428 final PackageParser.Package pkg = mPackages.get(pkgName); 6429 if (pkg != null) { 6430 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6431 userId); 6432 } 6433 return Collections.emptyList(); 6434 } 6435 } 6436 6437 @Override 6438 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6439 if (!sUserManager.exists(userId)) return null; 6440 flags = updateFlagsForResolve(flags, userId, intent); 6441 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6442 if (query != null) { 6443 if (query.size() >= 1) { 6444 // If there is more than one service with the same priority, 6445 // just arbitrarily pick the first one. 6446 return query.get(0); 6447 } 6448 } 6449 return null; 6450 } 6451 6452 @Override 6453 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6454 String resolvedType, int flags, int userId) { 6455 return new ParceledListSlice<>( 6456 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6457 } 6458 6459 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6460 String resolvedType, int flags, int userId) { 6461 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6462 flags = updateFlagsForResolve(flags, userId, intent); 6463 ComponentName comp = intent.getComponent(); 6464 if (comp == null) { 6465 if (intent.getSelector() != null) { 6466 intent = intent.getSelector(); 6467 comp = intent.getComponent(); 6468 } 6469 } 6470 if (comp != null) { 6471 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6472 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6473 if (si != null) { 6474 final ResolveInfo ri = new ResolveInfo(); 6475 ri.serviceInfo = si; 6476 list.add(ri); 6477 } 6478 return list; 6479 } 6480 6481 // reader 6482 synchronized (mPackages) { 6483 String pkgName = intent.getPackage(); 6484 if (pkgName == null) { 6485 return mServices.queryIntent(intent, resolvedType, flags, userId); 6486 } 6487 final PackageParser.Package pkg = mPackages.get(pkgName); 6488 if (pkg != null) { 6489 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6490 userId); 6491 } 6492 return Collections.emptyList(); 6493 } 6494 } 6495 6496 @Override 6497 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6498 String resolvedType, int flags, int userId) { 6499 return new ParceledListSlice<>( 6500 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6501 } 6502 6503 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6504 Intent intent, String resolvedType, int flags, int userId) { 6505 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6506 flags = updateFlagsForResolve(flags, userId, intent); 6507 ComponentName comp = intent.getComponent(); 6508 if (comp == null) { 6509 if (intent.getSelector() != null) { 6510 intent = intent.getSelector(); 6511 comp = intent.getComponent(); 6512 } 6513 } 6514 if (comp != null) { 6515 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6516 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6517 if (pi != null) { 6518 final ResolveInfo ri = new ResolveInfo(); 6519 ri.providerInfo = pi; 6520 list.add(ri); 6521 } 6522 return list; 6523 } 6524 6525 // reader 6526 synchronized (mPackages) { 6527 String pkgName = intent.getPackage(); 6528 if (pkgName == null) { 6529 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6530 } 6531 final PackageParser.Package pkg = mPackages.get(pkgName); 6532 if (pkg != null) { 6533 return mProviders.queryIntentForPackage( 6534 intent, resolvedType, flags, pkg.providers, userId); 6535 } 6536 return Collections.emptyList(); 6537 } 6538 } 6539 6540 @Override 6541 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6542 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6543 flags = updateFlagsForPackage(flags, userId, null); 6544 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6545 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6546 true /* requireFullPermission */, false /* checkShell */, 6547 "get installed packages"); 6548 6549 // writer 6550 synchronized (mPackages) { 6551 ArrayList<PackageInfo> list; 6552 if (listUninstalled) { 6553 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6554 for (PackageSetting ps : mSettings.mPackages.values()) { 6555 final PackageInfo pi; 6556 if (ps.pkg != null) { 6557 pi = generatePackageInfo(ps, flags, userId); 6558 } else { 6559 pi = generatePackageInfo(ps, flags, userId); 6560 } 6561 if (pi != null) { 6562 list.add(pi); 6563 } 6564 } 6565 } else { 6566 list = new ArrayList<PackageInfo>(mPackages.size()); 6567 for (PackageParser.Package p : mPackages.values()) { 6568 final PackageInfo pi = 6569 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6570 if (pi != null) { 6571 list.add(pi); 6572 } 6573 } 6574 } 6575 6576 return new ParceledListSlice<PackageInfo>(list); 6577 } 6578 } 6579 6580 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6581 String[] permissions, boolean[] tmp, int flags, int userId) { 6582 int numMatch = 0; 6583 final PermissionsState permissionsState = ps.getPermissionsState(); 6584 for (int i=0; i<permissions.length; i++) { 6585 final String permission = permissions[i]; 6586 if (permissionsState.hasPermission(permission, userId)) { 6587 tmp[i] = true; 6588 numMatch++; 6589 } else { 6590 tmp[i] = false; 6591 } 6592 } 6593 if (numMatch == 0) { 6594 return; 6595 } 6596 final PackageInfo pi; 6597 if (ps.pkg != null) { 6598 pi = generatePackageInfo(ps, flags, userId); 6599 } else { 6600 pi = generatePackageInfo(ps, flags, userId); 6601 } 6602 // The above might return null in cases of uninstalled apps or install-state 6603 // skew across users/profiles. 6604 if (pi != null) { 6605 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6606 if (numMatch == permissions.length) { 6607 pi.requestedPermissions = permissions; 6608 } else { 6609 pi.requestedPermissions = new String[numMatch]; 6610 numMatch = 0; 6611 for (int i=0; i<permissions.length; i++) { 6612 if (tmp[i]) { 6613 pi.requestedPermissions[numMatch] = permissions[i]; 6614 numMatch++; 6615 } 6616 } 6617 } 6618 } 6619 list.add(pi); 6620 } 6621 } 6622 6623 @Override 6624 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6625 String[] permissions, int flags, int userId) { 6626 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6627 flags = updateFlagsForPackage(flags, userId, permissions); 6628 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6629 true /* requireFullPermission */, false /* checkShell */, 6630 "get packages holding permissions"); 6631 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6632 6633 // writer 6634 synchronized (mPackages) { 6635 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6636 boolean[] tmpBools = new boolean[permissions.length]; 6637 if (listUninstalled) { 6638 for (PackageSetting ps : mSettings.mPackages.values()) { 6639 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6640 userId); 6641 } 6642 } else { 6643 for (PackageParser.Package pkg : mPackages.values()) { 6644 PackageSetting ps = (PackageSetting)pkg.mExtras; 6645 if (ps != null) { 6646 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6647 userId); 6648 } 6649 } 6650 } 6651 6652 return new ParceledListSlice<PackageInfo>(list); 6653 } 6654 } 6655 6656 @Override 6657 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6658 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6659 flags = updateFlagsForApplication(flags, userId, null); 6660 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6661 6662 // writer 6663 synchronized (mPackages) { 6664 ArrayList<ApplicationInfo> list; 6665 if (listUninstalled) { 6666 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6667 for (PackageSetting ps : mSettings.mPackages.values()) { 6668 ApplicationInfo ai; 6669 int effectiveFlags = flags; 6670 if (ps.isSystem()) { 6671 effectiveFlags |= PackageManager.MATCH_ANY_USER; 6672 } 6673 if (ps.pkg != null) { 6674 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 6675 ps.readUserState(userId), userId); 6676 } else { 6677 ai = generateApplicationInfoFromSettingsLPw(ps.name, effectiveFlags, 6678 userId); 6679 } 6680 if (ai != null) { 6681 list.add(ai); 6682 } 6683 } 6684 } else { 6685 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6686 for (PackageParser.Package p : mPackages.values()) { 6687 if (p.mExtras != null) { 6688 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6689 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6690 if (ai != null) { 6691 list.add(ai); 6692 } 6693 } 6694 } 6695 } 6696 6697 return new ParceledListSlice<ApplicationInfo>(list); 6698 } 6699 } 6700 6701 @Override 6702 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6703 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6704 return null; 6705 } 6706 6707 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6708 "getEphemeralApplications"); 6709 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6710 true /* requireFullPermission */, false /* checkShell */, 6711 "getEphemeralApplications"); 6712 synchronized (mPackages) { 6713 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6714 .getEphemeralApplicationsLPw(userId); 6715 if (ephemeralApps != null) { 6716 return new ParceledListSlice<>(ephemeralApps); 6717 } 6718 } 6719 return null; 6720 } 6721 6722 @Override 6723 public boolean isEphemeralApplication(String packageName, int userId) { 6724 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6725 true /* requireFullPermission */, false /* checkShell */, 6726 "isEphemeral"); 6727 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6728 return false; 6729 } 6730 6731 if (!isCallerSameApp(packageName)) { 6732 return false; 6733 } 6734 synchronized (mPackages) { 6735 PackageParser.Package pkg = mPackages.get(packageName); 6736 if (pkg != null) { 6737 return pkg.applicationInfo.isEphemeralApp(); 6738 } 6739 } 6740 return false; 6741 } 6742 6743 @Override 6744 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6745 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6746 return null; 6747 } 6748 6749 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6750 true /* requireFullPermission */, false /* checkShell */, 6751 "getCookie"); 6752 if (!isCallerSameApp(packageName)) { 6753 return null; 6754 } 6755 synchronized (mPackages) { 6756 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6757 packageName, userId); 6758 } 6759 } 6760 6761 @Override 6762 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6763 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6764 return true; 6765 } 6766 6767 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6768 true /* requireFullPermission */, true /* checkShell */, 6769 "setCookie"); 6770 if (!isCallerSameApp(packageName)) { 6771 return false; 6772 } 6773 synchronized (mPackages) { 6774 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6775 packageName, cookie, userId); 6776 } 6777 } 6778 6779 @Override 6780 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6781 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6782 return null; 6783 } 6784 6785 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6786 "getEphemeralApplicationIcon"); 6787 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6788 true /* requireFullPermission */, false /* checkShell */, 6789 "getEphemeralApplicationIcon"); 6790 synchronized (mPackages) { 6791 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6792 packageName, userId); 6793 } 6794 } 6795 6796 private boolean isCallerSameApp(String packageName) { 6797 PackageParser.Package pkg = mPackages.get(packageName); 6798 return pkg != null 6799 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6800 } 6801 6802 @Override 6803 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6804 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6805 } 6806 6807 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6808 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6809 6810 // reader 6811 synchronized (mPackages) { 6812 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6813 final int userId = UserHandle.getCallingUserId(); 6814 while (i.hasNext()) { 6815 final PackageParser.Package p = i.next(); 6816 if (p.applicationInfo == null) continue; 6817 6818 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6819 && !p.applicationInfo.isDirectBootAware(); 6820 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6821 && p.applicationInfo.isDirectBootAware(); 6822 6823 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6824 && (!mSafeMode || isSystemApp(p)) 6825 && (matchesUnaware || matchesAware)) { 6826 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6827 if (ps != null) { 6828 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6829 ps.readUserState(userId), userId); 6830 if (ai != null) { 6831 finalList.add(ai); 6832 } 6833 } 6834 } 6835 } 6836 } 6837 6838 return finalList; 6839 } 6840 6841 @Override 6842 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6843 if (!sUserManager.exists(userId)) return null; 6844 flags = updateFlagsForComponent(flags, userId, name); 6845 // reader 6846 synchronized (mPackages) { 6847 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6848 PackageSetting ps = provider != null 6849 ? mSettings.mPackages.get(provider.owner.packageName) 6850 : null; 6851 return ps != null 6852 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6853 ? PackageParser.generateProviderInfo(provider, flags, 6854 ps.readUserState(userId), userId) 6855 : null; 6856 } 6857 } 6858 6859 /** 6860 * @deprecated 6861 */ 6862 @Deprecated 6863 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6864 // reader 6865 synchronized (mPackages) { 6866 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6867 .entrySet().iterator(); 6868 final int userId = UserHandle.getCallingUserId(); 6869 while (i.hasNext()) { 6870 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6871 PackageParser.Provider p = entry.getValue(); 6872 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6873 6874 if (ps != null && p.syncable 6875 && (!mSafeMode || (p.info.applicationInfo.flags 6876 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6877 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6878 ps.readUserState(userId), userId); 6879 if (info != null) { 6880 outNames.add(entry.getKey()); 6881 outInfo.add(info); 6882 } 6883 } 6884 } 6885 } 6886 } 6887 6888 @Override 6889 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6890 int uid, int flags) { 6891 final int userId = processName != null ? UserHandle.getUserId(uid) 6892 : UserHandle.getCallingUserId(); 6893 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6894 flags = updateFlagsForComponent(flags, userId, processName); 6895 6896 ArrayList<ProviderInfo> finalList = null; 6897 // reader 6898 synchronized (mPackages) { 6899 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6900 while (i.hasNext()) { 6901 final PackageParser.Provider p = i.next(); 6902 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6903 if (ps != null && p.info.authority != null 6904 && (processName == null 6905 || (p.info.processName.equals(processName) 6906 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6907 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6908 if (finalList == null) { 6909 finalList = new ArrayList<ProviderInfo>(3); 6910 } 6911 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6912 ps.readUserState(userId), userId); 6913 if (info != null) { 6914 finalList.add(info); 6915 } 6916 } 6917 } 6918 } 6919 6920 if (finalList != null) { 6921 Collections.sort(finalList, mProviderInitOrderSorter); 6922 return new ParceledListSlice<ProviderInfo>(finalList); 6923 } 6924 6925 return ParceledListSlice.emptyList(); 6926 } 6927 6928 @Override 6929 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6930 // reader 6931 synchronized (mPackages) { 6932 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6933 return PackageParser.generateInstrumentationInfo(i, flags); 6934 } 6935 } 6936 6937 @Override 6938 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6939 String targetPackage, int flags) { 6940 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6941 } 6942 6943 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6944 int flags) { 6945 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6946 6947 // reader 6948 synchronized (mPackages) { 6949 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6950 while (i.hasNext()) { 6951 final PackageParser.Instrumentation p = i.next(); 6952 if (targetPackage == null 6953 || targetPackage.equals(p.info.targetPackage)) { 6954 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6955 flags); 6956 if (ii != null) { 6957 finalList.add(ii); 6958 } 6959 } 6960 } 6961 } 6962 6963 return finalList; 6964 } 6965 6966 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6967 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6968 if (overlays == null) { 6969 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6970 return; 6971 } 6972 for (PackageParser.Package opkg : overlays.values()) { 6973 // Not much to do if idmap fails: we already logged the error 6974 // and we certainly don't want to abort installation of pkg simply 6975 // because an overlay didn't fit properly. For these reasons, 6976 // ignore the return value of createIdmapForPackagePairLI. 6977 createIdmapForPackagePairLI(pkg, opkg); 6978 } 6979 } 6980 6981 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6982 PackageParser.Package opkg) { 6983 if (!opkg.mTrustedOverlay) { 6984 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6985 opkg.baseCodePath + ": overlay not trusted"); 6986 return false; 6987 } 6988 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6989 if (overlaySet == null) { 6990 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6991 opkg.baseCodePath + " but target package has no known overlays"); 6992 return false; 6993 } 6994 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6995 // TODO: generate idmap for split APKs 6996 try { 6997 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6998 } catch (InstallerException e) { 6999 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 7000 + opkg.baseCodePath); 7001 return false; 7002 } 7003 PackageParser.Package[] overlayArray = 7004 overlaySet.values().toArray(new PackageParser.Package[0]); 7005 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 7006 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 7007 return p1.mOverlayPriority - p2.mOverlayPriority; 7008 } 7009 }; 7010 Arrays.sort(overlayArray, cmp); 7011 7012 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 7013 int i = 0; 7014 for (PackageParser.Package p : overlayArray) { 7015 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 7016 } 7017 return true; 7018 } 7019 7020 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7021 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7022 try { 7023 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7024 } finally { 7025 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7026 } 7027 } 7028 7029 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7030 final File[] files = dir.listFiles(); 7031 if (ArrayUtils.isEmpty(files)) { 7032 Log.d(TAG, "No files in app dir " + dir); 7033 return; 7034 } 7035 7036 if (DEBUG_PACKAGE_SCANNING) { 7037 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7038 + " flags=0x" + Integer.toHexString(parseFlags)); 7039 } 7040 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7041 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir); 7042 7043 // Submit files for parsing in parallel 7044 int fileCount = 0; 7045 for (File file : files) { 7046 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7047 && !PackageInstallerService.isStageName(file.getName()); 7048 if (!isPackage) { 7049 // Ignore entries which are not packages 7050 continue; 7051 } 7052 parallelPackageParser.submit(file, parseFlags); 7053 fileCount++; 7054 } 7055 7056 // Process results one by one 7057 for (; fileCount > 0; fileCount--) { 7058 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7059 Throwable throwable = parseResult.throwable; 7060 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7061 7062 if (throwable == null) { 7063 try { 7064 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7065 currentTime, null); 7066 } catch (PackageManagerException e) { 7067 errorCode = e.error; 7068 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7069 } 7070 } else if (throwable instanceof PackageParser.PackageParserException) { 7071 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7072 throwable; 7073 errorCode = e.error; 7074 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7075 } else { 7076 throw new IllegalStateException("Unexpected exception occurred while parsing " 7077 + parseResult.scanFile, throwable); 7078 } 7079 7080 // Delete invalid userdata apps 7081 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7082 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7083 logCriticalInfo(Log.WARN, 7084 "Deleting invalid package at " + parseResult.scanFile); 7085 removeCodePathLI(parseResult.scanFile); 7086 } 7087 } 7088 parallelPackageParser.close(); 7089 } 7090 7091 private static File getSettingsProblemFile() { 7092 File dataDir = Environment.getDataDirectory(); 7093 File systemDir = new File(dataDir, "system"); 7094 File fname = new File(systemDir, "uiderrors.txt"); 7095 return fname; 7096 } 7097 7098 static void reportSettingsProblem(int priority, String msg) { 7099 logCriticalInfo(priority, msg); 7100 } 7101 7102 static void logCriticalInfo(int priority, String msg) { 7103 Slog.println(priority, TAG, msg); 7104 EventLogTags.writePmCriticalInfo(msg); 7105 try { 7106 File fname = getSettingsProblemFile(); 7107 FileOutputStream out = new FileOutputStream(fname, true); 7108 PrintWriter pw = new FastPrintWriter(out); 7109 SimpleDateFormat formatter = new SimpleDateFormat(); 7110 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7111 pw.println(dateString + ": " + msg); 7112 pw.close(); 7113 FileUtils.setPermissions( 7114 fname.toString(), 7115 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7116 -1, -1); 7117 } catch (java.io.IOException e) { 7118 } 7119 } 7120 7121 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7122 if (srcFile.isDirectory()) { 7123 final File baseFile = new File(pkg.baseCodePath); 7124 long maxModifiedTime = baseFile.lastModified(); 7125 if (pkg.splitCodePaths != null) { 7126 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7127 final File splitFile = new File(pkg.splitCodePaths[i]); 7128 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7129 } 7130 } 7131 return maxModifiedTime; 7132 } 7133 return srcFile.lastModified(); 7134 } 7135 7136 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7137 final int policyFlags) throws PackageManagerException { 7138 // When upgrading from pre-N MR1, verify the package time stamp using the package 7139 // directory and not the APK file. 7140 final long lastModifiedTime = mIsPreNMR1Upgrade 7141 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7142 if (ps != null 7143 && ps.codePath.equals(srcFile) 7144 && ps.timeStamp == lastModifiedTime 7145 && !isCompatSignatureUpdateNeeded(pkg) 7146 && !isRecoverSignatureUpdateNeeded(pkg)) { 7147 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7148 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7149 ArraySet<PublicKey> signingKs; 7150 synchronized (mPackages) { 7151 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7152 } 7153 if (ps.signatures.mSignatures != null 7154 && ps.signatures.mSignatures.length != 0 7155 && signingKs != null) { 7156 // Optimization: reuse the existing cached certificates 7157 // if the package appears to be unchanged. 7158 pkg.mSignatures = ps.signatures.mSignatures; 7159 pkg.mSigningKeys = signingKs; 7160 return; 7161 } 7162 7163 Slog.w(TAG, "PackageSetting for " + ps.name 7164 + " is missing signatures. Collecting certs again to recover them."); 7165 } else { 7166 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7167 } 7168 7169 try { 7170 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7171 PackageParser.collectCertificates(pkg, policyFlags); 7172 } catch (PackageParserException e) { 7173 throw PackageManagerException.from(e); 7174 } finally { 7175 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7176 } 7177 } 7178 7179 /** 7180 * Traces a package scan. 7181 * @see #scanPackageLI(File, int, int, long, UserHandle) 7182 */ 7183 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7184 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7185 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7186 try { 7187 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7188 } finally { 7189 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7190 } 7191 } 7192 7193 /** 7194 * Scans a package and returns the newly parsed package. 7195 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7196 */ 7197 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7198 long currentTime, UserHandle user) throws PackageManagerException { 7199 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7200 PackageParser pp = new PackageParser(); 7201 pp.setSeparateProcesses(mSeparateProcesses); 7202 pp.setOnlyCoreApps(mOnlyCore); 7203 pp.setDisplayMetrics(mMetrics); 7204 7205 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7206 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7207 } 7208 7209 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7210 final PackageParser.Package pkg; 7211 try { 7212 pkg = pp.parsePackage(scanFile, parseFlags); 7213 } catch (PackageParserException e) { 7214 throw PackageManagerException.from(e); 7215 } finally { 7216 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7217 } 7218 7219 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7220 } 7221 7222 /** 7223 * Scans a package and returns the newly parsed package. 7224 * @throws PackageManagerException on a parse error. 7225 */ 7226 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7227 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7228 throws PackageManagerException { 7229 // If the package has children and this is the first dive in the function 7230 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7231 // packages (parent and children) would be successfully scanned before the 7232 // actual scan since scanning mutates internal state and we want to atomically 7233 // install the package and its children. 7234 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7235 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7236 scanFlags |= SCAN_CHECK_ONLY; 7237 } 7238 } else { 7239 scanFlags &= ~SCAN_CHECK_ONLY; 7240 } 7241 7242 // Scan the parent 7243 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7244 scanFlags, currentTime, user); 7245 7246 // Scan the children 7247 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7248 for (int i = 0; i < childCount; i++) { 7249 PackageParser.Package childPackage = pkg.childPackages.get(i); 7250 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7251 currentTime, user); 7252 } 7253 7254 7255 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7256 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7257 } 7258 7259 return scannedPkg; 7260 } 7261 7262 /** 7263 * Scans a package and returns the newly parsed package. 7264 * @throws PackageManagerException on a parse error. 7265 */ 7266 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7267 int policyFlags, int scanFlags, long currentTime, UserHandle user) 7268 throws PackageManagerException { 7269 PackageSetting ps = null; 7270 PackageSetting updatedPkg; 7271 // reader 7272 synchronized (mPackages) { 7273 // Look to see if we already know about this package. 7274 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7275 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7276 // This package has been renamed to its original name. Let's 7277 // use that. 7278 ps = mSettings.getPackageLPr(oldName); 7279 } 7280 // If there was no original package, see one for the real package name. 7281 if (ps == null) { 7282 ps = mSettings.getPackageLPr(pkg.packageName); 7283 } 7284 // Check to see if this package could be hiding/updating a system 7285 // package. Must look for it either under the original or real 7286 // package name depending on our state. 7287 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7288 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7289 7290 // If this is a package we don't know about on the system partition, we 7291 // may need to remove disabled child packages on the system partition 7292 // or may need to not add child packages if the parent apk is updated 7293 // on the data partition and no longer defines this child package. 7294 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7295 // If this is a parent package for an updated system app and this system 7296 // app got an OTA update which no longer defines some of the child packages 7297 // we have to prune them from the disabled system packages. 7298 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7299 if (disabledPs != null) { 7300 final int scannedChildCount = (pkg.childPackages != null) 7301 ? pkg.childPackages.size() : 0; 7302 final int disabledChildCount = disabledPs.childPackageNames != null 7303 ? disabledPs.childPackageNames.size() : 0; 7304 for (int i = 0; i < disabledChildCount; i++) { 7305 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7306 boolean disabledPackageAvailable = false; 7307 for (int j = 0; j < scannedChildCount; j++) { 7308 PackageParser.Package childPkg = pkg.childPackages.get(j); 7309 if (childPkg.packageName.equals(disabledChildPackageName)) { 7310 disabledPackageAvailable = true; 7311 break; 7312 } 7313 } 7314 if (!disabledPackageAvailable) { 7315 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7316 } 7317 } 7318 } 7319 } 7320 } 7321 7322 boolean updatedPkgBetter = false; 7323 // First check if this is a system package that may involve an update 7324 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7325 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7326 // it needs to drop FLAG_PRIVILEGED. 7327 if (locationIsPrivileged(scanFile)) { 7328 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7329 } else { 7330 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7331 } 7332 7333 if (ps != null && !ps.codePath.equals(scanFile)) { 7334 // The path has changed from what was last scanned... check the 7335 // version of the new path against what we have stored to determine 7336 // what to do. 7337 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7338 if (pkg.mVersionCode <= ps.versionCode) { 7339 // The system package has been updated and the code path does not match 7340 // Ignore entry. Skip it. 7341 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7342 + " ignored: updated version " + ps.versionCode 7343 + " better than this " + pkg.mVersionCode); 7344 if (!updatedPkg.codePath.equals(scanFile)) { 7345 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7346 + ps.name + " changing from " + updatedPkg.codePathString 7347 + " to " + scanFile); 7348 updatedPkg.codePath = scanFile; 7349 updatedPkg.codePathString = scanFile.toString(); 7350 updatedPkg.resourcePath = scanFile; 7351 updatedPkg.resourcePathString = scanFile.toString(); 7352 } 7353 updatedPkg.pkg = pkg; 7354 updatedPkg.versionCode = pkg.mVersionCode; 7355 7356 // Update the disabled system child packages to point to the package too. 7357 final int childCount = updatedPkg.childPackageNames != null 7358 ? updatedPkg.childPackageNames.size() : 0; 7359 for (int i = 0; i < childCount; i++) { 7360 String childPackageName = updatedPkg.childPackageNames.get(i); 7361 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7362 childPackageName); 7363 if (updatedChildPkg != null) { 7364 updatedChildPkg.pkg = pkg; 7365 updatedChildPkg.versionCode = pkg.mVersionCode; 7366 } 7367 } 7368 7369 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7370 + scanFile + " ignored: updated version " + ps.versionCode 7371 + " better than this " + pkg.mVersionCode); 7372 } else { 7373 // The current app on the system partition is better than 7374 // what we have updated to on the data partition; switch 7375 // back to the system partition version. 7376 // At this point, its safely assumed that package installation for 7377 // apps in system partition will go through. If not there won't be a working 7378 // version of the app 7379 // writer 7380 synchronized (mPackages) { 7381 // Just remove the loaded entries from package lists. 7382 mPackages.remove(ps.name); 7383 } 7384 7385 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7386 + " reverting from " + ps.codePathString 7387 + ": new version " + pkg.mVersionCode 7388 + " better than installed " + ps.versionCode); 7389 7390 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7391 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7392 synchronized (mInstallLock) { 7393 args.cleanUpResourcesLI(); 7394 } 7395 synchronized (mPackages) { 7396 mSettings.enableSystemPackageLPw(ps.name); 7397 } 7398 updatedPkgBetter = true; 7399 } 7400 } 7401 } 7402 7403 if (updatedPkg != null) { 7404 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7405 // initially 7406 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7407 7408 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7409 // flag set initially 7410 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7411 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7412 } 7413 } 7414 7415 // Verify certificates against what was last scanned 7416 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7417 7418 /* 7419 * A new system app appeared, but we already had a non-system one of the 7420 * same name installed earlier. 7421 */ 7422 boolean shouldHideSystemApp = false; 7423 if (updatedPkg == null && ps != null 7424 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7425 /* 7426 * Check to make sure the signatures match first. If they don't, 7427 * wipe the installed application and its data. 7428 */ 7429 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7430 != PackageManager.SIGNATURE_MATCH) { 7431 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7432 + " signatures don't match existing userdata copy; removing"); 7433 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7434 "scanPackageInternalLI")) { 7435 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7436 } 7437 ps = null; 7438 } else { 7439 /* 7440 * If the newly-added system app is an older version than the 7441 * already installed version, hide it. It will be scanned later 7442 * and re-added like an update. 7443 */ 7444 if (pkg.mVersionCode <= ps.versionCode) { 7445 shouldHideSystemApp = true; 7446 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7447 + " but new version " + pkg.mVersionCode + " better than installed " 7448 + ps.versionCode + "; hiding system"); 7449 } else { 7450 /* 7451 * The newly found system app is a newer version that the 7452 * one previously installed. Simply remove the 7453 * already-installed application and replace it with our own 7454 * while keeping the application data. 7455 */ 7456 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7457 + " reverting from " + ps.codePathString + ": new version " 7458 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7459 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7460 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7461 synchronized (mInstallLock) { 7462 args.cleanUpResourcesLI(); 7463 } 7464 } 7465 } 7466 } 7467 7468 // The apk is forward locked (not public) if its code and resources 7469 // are kept in different files. (except for app in either system or 7470 // vendor path). 7471 // TODO grab this value from PackageSettings 7472 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7473 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7474 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7475 } 7476 } 7477 7478 // TODO: extend to support forward-locked splits 7479 String resourcePath = null; 7480 String baseResourcePath = null; 7481 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7482 if (ps != null && ps.resourcePathString != null) { 7483 resourcePath = ps.resourcePathString; 7484 baseResourcePath = ps.resourcePathString; 7485 } else { 7486 // Should not happen at all. Just log an error. 7487 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7488 } 7489 } else { 7490 resourcePath = pkg.codePath; 7491 baseResourcePath = pkg.baseCodePath; 7492 } 7493 7494 // Set application objects path explicitly. 7495 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7496 pkg.setApplicationInfoCodePath(pkg.codePath); 7497 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7498 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7499 pkg.setApplicationInfoResourcePath(resourcePath); 7500 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7501 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7502 7503 // Note that we invoke the following method only if we are about to unpack an application 7504 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7505 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7506 7507 /* 7508 * If the system app should be overridden by a previously installed 7509 * data, hide the system app now and let the /data/app scan pick it up 7510 * again. 7511 */ 7512 if (shouldHideSystemApp) { 7513 synchronized (mPackages) { 7514 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7515 } 7516 } 7517 7518 return scannedPkg; 7519 } 7520 7521 private static String fixProcessName(String defProcessName, 7522 String processName) { 7523 if (processName == null) { 7524 return defProcessName; 7525 } 7526 return processName; 7527 } 7528 7529 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7530 throws PackageManagerException { 7531 if (pkgSetting.signatures.mSignatures != null) { 7532 // Already existing package. Make sure signatures match 7533 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7534 == PackageManager.SIGNATURE_MATCH; 7535 if (!match) { 7536 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7537 == PackageManager.SIGNATURE_MATCH; 7538 } 7539 if (!match) { 7540 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7541 == PackageManager.SIGNATURE_MATCH; 7542 } 7543 if (!match) { 7544 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7545 + pkg.packageName + " signatures do not match the " 7546 + "previously installed version; ignoring!"); 7547 } 7548 } 7549 7550 // Check for shared user signatures 7551 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7552 // Already existing package. Make sure signatures match 7553 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7554 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7555 if (!match) { 7556 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7557 == PackageManager.SIGNATURE_MATCH; 7558 } 7559 if (!match) { 7560 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7561 == PackageManager.SIGNATURE_MATCH; 7562 } 7563 if (!match) { 7564 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7565 "Package " + pkg.packageName 7566 + " has no signatures that match those in shared user " 7567 + pkgSetting.sharedUser.name + "; ignoring!"); 7568 } 7569 } 7570 } 7571 7572 /** 7573 * Enforces that only the system UID or root's UID can call a method exposed 7574 * via Binder. 7575 * 7576 * @param message used as message if SecurityException is thrown 7577 * @throws SecurityException if the caller is not system or root 7578 */ 7579 private static final void enforceSystemOrRoot(String message) { 7580 final int uid = Binder.getCallingUid(); 7581 if (uid != Process.SYSTEM_UID && uid != 0) { 7582 throw new SecurityException(message); 7583 } 7584 } 7585 7586 @Override 7587 public void performFstrimIfNeeded() { 7588 enforceSystemOrRoot("Only the system can request fstrim"); 7589 7590 // Before everything else, see whether we need to fstrim. 7591 try { 7592 IStorageManager sm = PackageHelper.getStorageManager(); 7593 if (sm != null) { 7594 boolean doTrim = false; 7595 final long interval = android.provider.Settings.Global.getLong( 7596 mContext.getContentResolver(), 7597 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7598 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7599 if (interval > 0) { 7600 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 7601 if (timeSinceLast > interval) { 7602 doTrim = true; 7603 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7604 + "; running immediately"); 7605 } 7606 } 7607 if (doTrim) { 7608 final boolean dexOptDialogShown; 7609 synchronized (mPackages) { 7610 dexOptDialogShown = mDexOptDialogShown; 7611 } 7612 if (!isFirstBoot() && dexOptDialogShown) { 7613 try { 7614 ActivityManager.getService().showBootMessage( 7615 mContext.getResources().getString( 7616 R.string.android_upgrading_fstrim), true); 7617 } catch (RemoteException e) { 7618 } 7619 } 7620 sm.runMaintenance(); 7621 } 7622 } else { 7623 Slog.e(TAG, "storageManager service unavailable!"); 7624 } 7625 } catch (RemoteException e) { 7626 // Can't happen; StorageManagerService is local 7627 } 7628 } 7629 7630 @Override 7631 public void updatePackagesIfNeeded() { 7632 enforceSystemOrRoot("Only the system can request package update"); 7633 7634 // We need to re-extract after an OTA. 7635 boolean causeUpgrade = isUpgrade(); 7636 7637 // First boot or factory reset. 7638 // Note: we also handle devices that are upgrading to N right now as if it is their 7639 // first boot, as they do not have profile data. 7640 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7641 7642 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7643 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7644 7645 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7646 return; 7647 } 7648 7649 List<PackageParser.Package> pkgs; 7650 synchronized (mPackages) { 7651 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7652 } 7653 7654 final long startTime = System.nanoTime(); 7655 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7656 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7657 7658 final int elapsedTimeSeconds = 7659 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7660 7661 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7662 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7663 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7664 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7665 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7666 } 7667 7668 /** 7669 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7670 * containing statistics about the invocation. The array consists of three elements, 7671 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7672 * and {@code numberOfPackagesFailed}. 7673 */ 7674 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7675 String compilerFilter) { 7676 7677 int numberOfPackagesVisited = 0; 7678 int numberOfPackagesOptimized = 0; 7679 int numberOfPackagesSkipped = 0; 7680 int numberOfPackagesFailed = 0; 7681 final int numberOfPackagesToDexopt = pkgs.size(); 7682 7683 for (PackageParser.Package pkg : pkgs) { 7684 numberOfPackagesVisited++; 7685 7686 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7687 if (DEBUG_DEXOPT) { 7688 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7689 } 7690 numberOfPackagesSkipped++; 7691 continue; 7692 } 7693 7694 if (DEBUG_DEXOPT) { 7695 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7696 numberOfPackagesToDexopt + ": " + pkg.packageName); 7697 } 7698 7699 if (showDialog) { 7700 try { 7701 ActivityManager.getService().showBootMessage( 7702 mContext.getResources().getString(R.string.android_upgrading_apk, 7703 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7704 } catch (RemoteException e) { 7705 } 7706 synchronized (mPackages) { 7707 mDexOptDialogShown = true; 7708 } 7709 } 7710 7711 // If the OTA updates a system app which was previously preopted to a non-preopted state 7712 // the app might end up being verified at runtime. That's because by default the apps 7713 // are verify-profile but for preopted apps there's no profile. 7714 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7715 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7716 // filter (by default interpret-only). 7717 // Note that at this stage unused apps are already filtered. 7718 if (isSystemApp(pkg) && 7719 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7720 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7721 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7722 } 7723 7724 // checkProfiles is false to avoid merging profiles during boot which 7725 // might interfere with background compilation (b/28612421). 7726 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7727 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7728 // trade-off worth doing to save boot time work. 7729 int dexOptStatus = performDexOptTraced(pkg.packageName, 7730 false /* checkProfiles */, 7731 compilerFilter, 7732 false /* force */); 7733 switch (dexOptStatus) { 7734 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7735 numberOfPackagesOptimized++; 7736 break; 7737 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7738 numberOfPackagesSkipped++; 7739 break; 7740 case PackageDexOptimizer.DEX_OPT_FAILED: 7741 numberOfPackagesFailed++; 7742 break; 7743 default: 7744 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7745 break; 7746 } 7747 } 7748 7749 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7750 numberOfPackagesFailed }; 7751 } 7752 7753 @Override 7754 public void notifyPackageUse(String packageName, int reason) { 7755 synchronized (mPackages) { 7756 PackageParser.Package p = mPackages.get(packageName); 7757 if (p == null) { 7758 return; 7759 } 7760 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7761 } 7762 } 7763 7764 @Override 7765 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 7766 int userId = UserHandle.getCallingUserId(); 7767 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 7768 if (ai == null) { 7769 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 7770 + loadingPackageName + ", user=" + userId); 7771 return; 7772 } 7773 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 7774 } 7775 7776 // TODO: this is not used nor needed. Delete it. 7777 @Override 7778 public boolean performDexOptIfNeeded(String packageName) { 7779 int dexOptStatus = performDexOptTraced(packageName, 7780 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7781 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7782 } 7783 7784 @Override 7785 public boolean performDexOpt(String packageName, 7786 boolean checkProfiles, int compileReason, boolean force) { 7787 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7788 getCompilerFilterForReason(compileReason), force); 7789 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7790 } 7791 7792 @Override 7793 public boolean performDexOptMode(String packageName, 7794 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7795 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7796 targetCompilerFilter, force); 7797 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7798 } 7799 7800 private int performDexOptTraced(String packageName, 7801 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7802 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7803 try { 7804 return performDexOptInternal(packageName, checkProfiles, 7805 targetCompilerFilter, force); 7806 } finally { 7807 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7808 } 7809 } 7810 7811 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7812 // if the package can now be considered up to date for the given filter. 7813 private int performDexOptInternal(String packageName, 7814 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7815 PackageParser.Package p; 7816 synchronized (mPackages) { 7817 p = mPackages.get(packageName); 7818 if (p == null) { 7819 // Package could not be found. Report failure. 7820 return PackageDexOptimizer.DEX_OPT_FAILED; 7821 } 7822 mPackageUsage.maybeWriteAsync(mPackages); 7823 mCompilerStats.maybeWriteAsync(); 7824 } 7825 long callingId = Binder.clearCallingIdentity(); 7826 try { 7827 synchronized (mInstallLock) { 7828 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7829 targetCompilerFilter, force); 7830 } 7831 } finally { 7832 Binder.restoreCallingIdentity(callingId); 7833 } 7834 } 7835 7836 public ArraySet<String> getOptimizablePackages() { 7837 ArraySet<String> pkgs = new ArraySet<String>(); 7838 synchronized (mPackages) { 7839 for (PackageParser.Package p : mPackages.values()) { 7840 if (PackageDexOptimizer.canOptimizePackage(p)) { 7841 pkgs.add(p.packageName); 7842 } 7843 } 7844 } 7845 return pkgs; 7846 } 7847 7848 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7849 boolean checkProfiles, String targetCompilerFilter, 7850 boolean force) { 7851 // Select the dex optimizer based on the force parameter. 7852 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7853 // allocate an object here. 7854 PackageDexOptimizer pdo = force 7855 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7856 : mPackageDexOptimizer; 7857 7858 // Optimize all dependencies first. Note: we ignore the return value and march on 7859 // on errors. 7860 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7861 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7862 if (!deps.isEmpty()) { 7863 for (PackageParser.Package depPackage : deps) { 7864 // TODO: Analyze and investigate if we (should) profile libraries. 7865 // Currently this will do a full compilation of the library by default. 7866 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7867 false /* checkProfiles */, 7868 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7869 getOrCreateCompilerPackageStats(depPackage)); 7870 } 7871 } 7872 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7873 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7874 } 7875 7876 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7877 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7878 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7879 Set<String> collectedNames = new HashSet<>(); 7880 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7881 7882 retValue.remove(p); 7883 7884 return retValue; 7885 } else { 7886 return Collections.emptyList(); 7887 } 7888 } 7889 7890 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7891 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7892 if (!collectedNames.contains(p.packageName)) { 7893 collectedNames.add(p.packageName); 7894 collected.add(p); 7895 7896 if (p.usesLibraries != null) { 7897 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7898 } 7899 if (p.usesOptionalLibraries != null) { 7900 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7901 collectedNames); 7902 } 7903 } 7904 } 7905 7906 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7907 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7908 for (String libName : libs) { 7909 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7910 if (libPkg != null) { 7911 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7912 } 7913 } 7914 } 7915 7916 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7917 synchronized (mPackages) { 7918 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7919 if (lib != null && lib.apk != null) { 7920 return mPackages.get(lib.apk); 7921 } 7922 } 7923 return null; 7924 } 7925 7926 public void shutdown() { 7927 mPackageUsage.writeNow(mPackages); 7928 mCompilerStats.writeNow(); 7929 } 7930 7931 @Override 7932 public void dumpProfiles(String packageName) { 7933 PackageParser.Package pkg; 7934 synchronized (mPackages) { 7935 pkg = mPackages.get(packageName); 7936 if (pkg == null) { 7937 throw new IllegalArgumentException("Unknown package: " + packageName); 7938 } 7939 } 7940 /* Only the shell, root, or the app user should be able to dump profiles. */ 7941 int callingUid = Binder.getCallingUid(); 7942 if (callingUid != Process.SHELL_UID && 7943 callingUid != Process.ROOT_UID && 7944 callingUid != pkg.applicationInfo.uid) { 7945 throw new SecurityException("dumpProfiles"); 7946 } 7947 7948 synchronized (mInstallLock) { 7949 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7950 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7951 try { 7952 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7953 String codePaths = TextUtils.join(";", allCodePaths); 7954 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 7955 } catch (InstallerException e) { 7956 Slog.w(TAG, "Failed to dump profiles", e); 7957 } 7958 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7959 } 7960 } 7961 7962 @Override 7963 public void forceDexOpt(String packageName) { 7964 enforceSystemOrRoot("forceDexOpt"); 7965 7966 PackageParser.Package pkg; 7967 synchronized (mPackages) { 7968 pkg = mPackages.get(packageName); 7969 if (pkg == null) { 7970 throw new IllegalArgumentException("Unknown package: " + packageName); 7971 } 7972 } 7973 7974 synchronized (mInstallLock) { 7975 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7976 7977 // Whoever is calling forceDexOpt wants a fully compiled package. 7978 // Don't use profiles since that may cause compilation to be skipped. 7979 final int res = performDexOptInternalWithDependenciesLI(pkg, 7980 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7981 true /* force */); 7982 7983 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7984 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7985 throw new IllegalStateException("Failed to dexopt: " + res); 7986 } 7987 } 7988 } 7989 7990 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7991 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7992 Slog.w(TAG, "Unable to update from " + oldPkg.name 7993 + " to " + newPkg.packageName 7994 + ": old package not in system partition"); 7995 return false; 7996 } else if (mPackages.get(oldPkg.name) != null) { 7997 Slog.w(TAG, "Unable to update from " + oldPkg.name 7998 + " to " + newPkg.packageName 7999 + ": old package still exists"); 8000 return false; 8001 } 8002 return true; 8003 } 8004 8005 void removeCodePathLI(File codePath) { 8006 if (codePath.isDirectory()) { 8007 try { 8008 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8009 } catch (InstallerException e) { 8010 Slog.w(TAG, "Failed to remove code path", e); 8011 } 8012 } else { 8013 codePath.delete(); 8014 } 8015 } 8016 8017 private int[] resolveUserIds(int userId) { 8018 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8019 } 8020 8021 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8022 if (pkg == null) { 8023 Slog.wtf(TAG, "Package was null!", new Throwable()); 8024 return; 8025 } 8026 clearAppDataLeafLIF(pkg, userId, flags); 8027 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8028 for (int i = 0; i < childCount; i++) { 8029 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8030 } 8031 } 8032 8033 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8034 final PackageSetting ps; 8035 synchronized (mPackages) { 8036 ps = mSettings.mPackages.get(pkg.packageName); 8037 } 8038 for (int realUserId : resolveUserIds(userId)) { 8039 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8040 try { 8041 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8042 ceDataInode); 8043 } catch (InstallerException e) { 8044 Slog.w(TAG, String.valueOf(e)); 8045 } 8046 } 8047 } 8048 8049 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8050 if (pkg == null) { 8051 Slog.wtf(TAG, "Package was null!", new Throwable()); 8052 return; 8053 } 8054 destroyAppDataLeafLIF(pkg, userId, flags); 8055 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8056 for (int i = 0; i < childCount; i++) { 8057 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8058 } 8059 } 8060 8061 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8062 final PackageSetting ps; 8063 synchronized (mPackages) { 8064 ps = mSettings.mPackages.get(pkg.packageName); 8065 } 8066 for (int realUserId : resolveUserIds(userId)) { 8067 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8068 try { 8069 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8070 ceDataInode); 8071 } catch (InstallerException e) { 8072 Slog.w(TAG, String.valueOf(e)); 8073 } 8074 } 8075 } 8076 8077 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8078 if (pkg == null) { 8079 Slog.wtf(TAG, "Package was null!", new Throwable()); 8080 return; 8081 } 8082 destroyAppProfilesLeafLIF(pkg); 8083 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 8084 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8085 for (int i = 0; i < childCount; i++) { 8086 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8087 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 8088 true /* removeBaseMarker */); 8089 } 8090 } 8091 8092 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 8093 boolean removeBaseMarker) { 8094 if (pkg.isForwardLocked()) { 8095 return; 8096 } 8097 8098 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 8099 try { 8100 path = PackageManagerServiceUtils.realpath(new File(path)); 8101 } catch (IOException e) { 8102 // TODO: Should we return early here ? 8103 Slog.w(TAG, "Failed to get canonical path", e); 8104 continue; 8105 } 8106 8107 final String useMarker = path.replace('/', '@'); 8108 for (int realUserId : resolveUserIds(userId)) { 8109 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 8110 if (removeBaseMarker) { 8111 File foreignUseMark = new File(profileDir, useMarker); 8112 if (foreignUseMark.exists()) { 8113 if (!foreignUseMark.delete()) { 8114 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8115 + pkg.packageName); 8116 } 8117 } 8118 } 8119 8120 File[] markers = profileDir.listFiles(); 8121 if (markers != null) { 8122 final String searchString = "@" + pkg.packageName + "@"; 8123 // We also delete all markers that contain the package name we're 8124 // uninstalling. These are associated with secondary dex-files belonging 8125 // to the package. Reconstructing the path of these dex files is messy 8126 // in general. 8127 for (File marker : markers) { 8128 if (marker.getName().indexOf(searchString) > 0) { 8129 if (!marker.delete()) { 8130 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8131 + pkg.packageName); 8132 } 8133 } 8134 } 8135 } 8136 } 8137 } 8138 } 8139 8140 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8141 try { 8142 mInstaller.destroyAppProfiles(pkg.packageName); 8143 } catch (InstallerException e) { 8144 Slog.w(TAG, String.valueOf(e)); 8145 } 8146 } 8147 8148 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8149 if (pkg == null) { 8150 Slog.wtf(TAG, "Package was null!", new Throwable()); 8151 return; 8152 } 8153 clearAppProfilesLeafLIF(pkg); 8154 // We don't remove the base foreign use marker when clearing profiles because 8155 // we will rename it when the app is updated. Unlike the actual profile contents, 8156 // the foreign use marker is good across installs. 8157 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 8158 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8159 for (int i = 0; i < childCount; i++) { 8160 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8161 } 8162 } 8163 8164 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8165 try { 8166 mInstaller.clearAppProfiles(pkg.packageName); 8167 } catch (InstallerException e) { 8168 Slog.w(TAG, String.valueOf(e)); 8169 } 8170 } 8171 8172 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 8173 long lastUpdateTime) { 8174 // Set parent install/update time 8175 PackageSetting ps = (PackageSetting) pkg.mExtras; 8176 if (ps != null) { 8177 ps.firstInstallTime = firstInstallTime; 8178 ps.lastUpdateTime = lastUpdateTime; 8179 } 8180 // Set children install/update time 8181 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8182 for (int i = 0; i < childCount; i++) { 8183 PackageParser.Package childPkg = pkg.childPackages.get(i); 8184 ps = (PackageSetting) childPkg.mExtras; 8185 if (ps != null) { 8186 ps.firstInstallTime = firstInstallTime; 8187 ps.lastUpdateTime = lastUpdateTime; 8188 } 8189 } 8190 } 8191 8192 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 8193 PackageParser.Package changingLib) { 8194 if (file.path != null) { 8195 usesLibraryFiles.add(file.path); 8196 return; 8197 } 8198 PackageParser.Package p = mPackages.get(file.apk); 8199 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 8200 // If we are doing this while in the middle of updating a library apk, 8201 // then we need to make sure to use that new apk for determining the 8202 // dependencies here. (We haven't yet finished committing the new apk 8203 // to the package manager state.) 8204 if (p == null || p.packageName.equals(changingLib.packageName)) { 8205 p = changingLib; 8206 } 8207 } 8208 if (p != null) { 8209 usesLibraryFiles.addAll(p.getAllCodePaths()); 8210 } 8211 } 8212 8213 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 8214 PackageParser.Package changingLib) throws PackageManagerException { 8215 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 8216 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 8217 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 8218 for (int i=0; i<N; i++) { 8219 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 8220 if (file == null) { 8221 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8222 "Package " + pkg.packageName + " requires unavailable shared library " 8223 + pkg.usesLibraries.get(i) + "; failing!"); 8224 } 8225 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 8226 } 8227 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 8228 for (int i=0; i<N; i++) { 8229 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 8230 if (file == null) { 8231 Slog.w(TAG, "Package " + pkg.packageName 8232 + " desires unavailable shared library " 8233 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 8234 } else { 8235 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 8236 } 8237 } 8238 N = usesLibraryFiles.size(); 8239 if (N > 0) { 8240 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 8241 } else { 8242 pkg.usesLibraryFiles = null; 8243 } 8244 } 8245 } 8246 8247 private static boolean hasString(List<String> list, List<String> which) { 8248 if (list == null) { 8249 return false; 8250 } 8251 for (int i=list.size()-1; i>=0; i--) { 8252 for (int j=which.size()-1; j>=0; j--) { 8253 if (which.get(j).equals(list.get(i))) { 8254 return true; 8255 } 8256 } 8257 } 8258 return false; 8259 } 8260 8261 private void updateAllSharedLibrariesLPw() { 8262 for (PackageParser.Package pkg : mPackages.values()) { 8263 try { 8264 updateSharedLibrariesLPr(pkg, null); 8265 } catch (PackageManagerException e) { 8266 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8267 } 8268 } 8269 } 8270 8271 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8272 PackageParser.Package changingPkg) { 8273 ArrayList<PackageParser.Package> res = null; 8274 for (PackageParser.Package pkg : mPackages.values()) { 8275 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 8276 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 8277 if (res == null) { 8278 res = new ArrayList<PackageParser.Package>(); 8279 } 8280 res.add(pkg); 8281 try { 8282 updateSharedLibrariesLPr(pkg, changingPkg); 8283 } catch (PackageManagerException e) { 8284 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8285 } 8286 } 8287 } 8288 return res; 8289 } 8290 8291 /** 8292 * Derive the value of the {@code cpuAbiOverride} based on the provided 8293 * value and an optional stored value from the package settings. 8294 */ 8295 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8296 String cpuAbiOverride = null; 8297 8298 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8299 cpuAbiOverride = null; 8300 } else if (abiOverride != null) { 8301 cpuAbiOverride = abiOverride; 8302 } else if (settings != null) { 8303 cpuAbiOverride = settings.cpuAbiOverrideString; 8304 } 8305 8306 return cpuAbiOverride; 8307 } 8308 8309 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8310 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 8311 throws PackageManagerException { 8312 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8313 // If the package has children and this is the first dive in the function 8314 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 8315 // whether all packages (parent and children) would be successfully scanned 8316 // before the actual scan since scanning mutates internal state and we want 8317 // to atomically install the package and its children. 8318 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8319 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8320 scanFlags |= SCAN_CHECK_ONLY; 8321 } 8322 } else { 8323 scanFlags &= ~SCAN_CHECK_ONLY; 8324 } 8325 8326 final PackageParser.Package scannedPkg; 8327 try { 8328 // Scan the parent 8329 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 8330 // Scan the children 8331 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8332 for (int i = 0; i < childCount; i++) { 8333 PackageParser.Package childPkg = pkg.childPackages.get(i); 8334 scanPackageLI(childPkg, policyFlags, 8335 scanFlags, currentTime, user); 8336 } 8337 } finally { 8338 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8339 } 8340 8341 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8342 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 8343 } 8344 8345 return scannedPkg; 8346 } 8347 8348 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 8349 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8350 boolean success = false; 8351 try { 8352 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 8353 currentTime, user); 8354 success = true; 8355 return res; 8356 } finally { 8357 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 8358 // DELETE_DATA_ON_FAILURES is only used by frozen paths 8359 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 8360 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 8361 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 8362 } 8363 } 8364 } 8365 8366 /** 8367 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 8368 */ 8369 private static boolean apkHasCode(String fileName) { 8370 StrictJarFile jarFile = null; 8371 try { 8372 jarFile = new StrictJarFile(fileName, 8373 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8374 return jarFile.findEntry("classes.dex") != null; 8375 } catch (IOException ignore) { 8376 } finally { 8377 try { 8378 if (jarFile != null) { 8379 jarFile.close(); 8380 } 8381 } catch (IOException ignore) {} 8382 } 8383 return false; 8384 } 8385 8386 /** 8387 * Enforces code policy for the package. This ensures that if an APK has 8388 * declared hasCode="true" in its manifest that the APK actually contains 8389 * code. 8390 * 8391 * @throws PackageManagerException If bytecode could not be found when it should exist 8392 */ 8393 private static void assertCodePolicy(PackageParser.Package pkg) 8394 throws PackageManagerException { 8395 final boolean shouldHaveCode = 8396 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8397 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8398 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8399 "Package " + pkg.baseCodePath + " code is missing"); 8400 } 8401 8402 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8403 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8404 final boolean splitShouldHaveCode = 8405 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8406 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8407 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8408 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8409 } 8410 } 8411 } 8412 } 8413 8414 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8415 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8416 throws PackageManagerException { 8417 if (DEBUG_PACKAGE_SCANNING) { 8418 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8419 Log.d(TAG, "Scanning package " + pkg.packageName); 8420 } 8421 8422 applyPolicy(pkg, policyFlags); 8423 8424 assertPackageIsValid(pkg, policyFlags, scanFlags); 8425 8426 // Initialize package source and resource directories 8427 final File scanFile = new File(pkg.codePath); 8428 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8429 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8430 8431 SharedUserSetting suid = null; 8432 PackageSetting pkgSetting = null; 8433 8434 // Getting the package setting may have a side-effect, so if we 8435 // are only checking if scan would succeed, stash a copy of the 8436 // old setting to restore at the end. 8437 PackageSetting nonMutatedPs = null; 8438 8439 // We keep references to the derived CPU Abis from settings in oder to reuse 8440 // them in the case where we're not upgrading or booting for the first time. 8441 String primaryCpuAbiFromSettings = null; 8442 String secondaryCpuAbiFromSettings = null; 8443 8444 // writer 8445 synchronized (mPackages) { 8446 if (pkg.mSharedUserId != null) { 8447 // SIDE EFFECTS; may potentially allocate a new shared user 8448 suid = mSettings.getSharedUserLPw( 8449 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 8450 if (DEBUG_PACKAGE_SCANNING) { 8451 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8452 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8453 + "): packages=" + suid.packages); 8454 } 8455 } 8456 8457 // Check if we are renaming from an original package name. 8458 PackageSetting origPackage = null; 8459 String realName = null; 8460 if (pkg.mOriginalPackages != null) { 8461 // This package may need to be renamed to a previously 8462 // installed name. Let's check on that... 8463 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8464 if (pkg.mOriginalPackages.contains(renamed)) { 8465 // This package had originally been installed as the 8466 // original name, and we have already taken care of 8467 // transitioning to the new one. Just update the new 8468 // one to continue using the old name. 8469 realName = pkg.mRealPackage; 8470 if (!pkg.packageName.equals(renamed)) { 8471 // Callers into this function may have already taken 8472 // care of renaming the package; only do it here if 8473 // it is not already done. 8474 pkg.setPackageName(renamed); 8475 } 8476 } else { 8477 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8478 if ((origPackage = mSettings.getPackageLPr( 8479 pkg.mOriginalPackages.get(i))) != null) { 8480 // We do have the package already installed under its 8481 // original name... should we use it? 8482 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8483 // New package is not compatible with original. 8484 origPackage = null; 8485 continue; 8486 } else if (origPackage.sharedUser != null) { 8487 // Make sure uid is compatible between packages. 8488 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8489 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8490 + " to " + pkg.packageName + ": old uid " 8491 + origPackage.sharedUser.name 8492 + " differs from " + pkg.mSharedUserId); 8493 origPackage = null; 8494 continue; 8495 } 8496 // TODO: Add case when shared user id is added [b/28144775] 8497 } else { 8498 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8499 + pkg.packageName + " to old name " + origPackage.name); 8500 } 8501 break; 8502 } 8503 } 8504 } 8505 } 8506 8507 if (mTransferedPackages.contains(pkg.packageName)) { 8508 Slog.w(TAG, "Package " + pkg.packageName 8509 + " was transferred to another, but its .apk remains"); 8510 } 8511 8512 // See comments in nonMutatedPs declaration 8513 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8514 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 8515 if (foundPs != null) { 8516 nonMutatedPs = new PackageSetting(foundPs); 8517 } 8518 } 8519 8520 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 8521 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 8522 if (foundPs != null) { 8523 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 8524 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 8525 } 8526 } 8527 8528 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 8529 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 8530 PackageManagerService.reportSettingsProblem(Log.WARN, 8531 "Package " + pkg.packageName + " shared user changed from " 8532 + (pkgSetting.sharedUser != null 8533 ? pkgSetting.sharedUser.name : "<nothing>") 8534 + " to " 8535 + (suid != null ? suid.name : "<nothing>") 8536 + "; replacing with new"); 8537 pkgSetting = null; 8538 } 8539 final PackageSetting oldPkgSetting = 8540 pkgSetting == null ? null : new PackageSetting(pkgSetting); 8541 final PackageSetting disabledPkgSetting = 8542 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8543 if (pkgSetting == null) { 8544 final String parentPackageName = (pkg.parentPackage != null) 8545 ? pkg.parentPackage.packageName : null; 8546 // REMOVE SharedUserSetting from method; update in a separate call 8547 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 8548 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 8549 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 8550 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 8551 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 8552 true /*allowInstall*/, parentPackageName, pkg.getChildPackageNames(), 8553 UserManagerService.getInstance()); 8554 // SIDE EFFECTS; updates system state; move elsewhere 8555 if (origPackage != null) { 8556 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 8557 } 8558 mSettings.addUserToSettingLPw(pkgSetting); 8559 } else { 8560 // REMOVE SharedUserSetting from method; update in a separate call. 8561 // 8562 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 8563 // secondaryCpuAbi are not known at this point so we always update them 8564 // to null here, only to reset them at a later point. 8565 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 8566 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 8567 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 8568 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 8569 UserManagerService.getInstance()); 8570 } 8571 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 8572 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 8573 8574 // SIDE EFFECTS; modifies system state; move elsewhere 8575 if (pkgSetting.origPackage != null) { 8576 // If we are first transitioning from an original package, 8577 // fix up the new package's name now. We need to do this after 8578 // looking up the package under its new name, so getPackageLP 8579 // can take care of fiddling things correctly. 8580 pkg.setPackageName(origPackage.name); 8581 8582 // File a report about this. 8583 String msg = "New package " + pkgSetting.realName 8584 + " renamed to replace old package " + pkgSetting.name; 8585 reportSettingsProblem(Log.WARN, msg); 8586 8587 // Make a note of it. 8588 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8589 mTransferedPackages.add(origPackage.name); 8590 } 8591 8592 // No longer need to retain this. 8593 pkgSetting.origPackage = null; 8594 } 8595 8596 // SIDE EFFECTS; modifies system state; move elsewhere 8597 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8598 // Make a note of it. 8599 mTransferedPackages.add(pkg.packageName); 8600 } 8601 8602 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8603 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8604 } 8605 8606 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8607 // Check all shared libraries and map to their actual file path. 8608 // We only do this here for apps not on a system dir, because those 8609 // are the only ones that can fail an install due to this. We 8610 // will take care of the system apps by updating all of their 8611 // library paths after the scan is done. 8612 updateSharedLibrariesLPr(pkg, null); 8613 } 8614 8615 if (mFoundPolicyFile) { 8616 SELinuxMMAC.assignSeinfoValue(pkg); 8617 } 8618 8619 pkg.applicationInfo.uid = pkgSetting.appId; 8620 pkg.mExtras = pkgSetting; 8621 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8622 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8623 // We just determined the app is signed correctly, so bring 8624 // over the latest parsed certs. 8625 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8626 } else { 8627 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8628 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8629 "Package " + pkg.packageName + " upgrade keys do not match the " 8630 + "previously installed version"); 8631 } else { 8632 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8633 String msg = "System package " + pkg.packageName 8634 + " signature changed; retaining data."; 8635 reportSettingsProblem(Log.WARN, msg); 8636 } 8637 } 8638 } else { 8639 try { 8640 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 8641 verifySignaturesLP(pkgSetting, pkg); 8642 // We just determined the app is signed correctly, so bring 8643 // over the latest parsed certs. 8644 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8645 } catch (PackageManagerException e) { 8646 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8647 throw e; 8648 } 8649 // The signature has changed, but this package is in the system 8650 // image... let's recover! 8651 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8652 // However... if this package is part of a shared user, but it 8653 // doesn't match the signature of the shared user, let's fail. 8654 // What this means is that you can't change the signatures 8655 // associated with an overall shared user, which doesn't seem all 8656 // that unreasonable. 8657 if (pkgSetting.sharedUser != null) { 8658 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8659 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8660 throw new PackageManagerException( 8661 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8662 "Signature mismatch for shared user: " 8663 + pkgSetting.sharedUser); 8664 } 8665 } 8666 // File a report about this. 8667 String msg = "System package " + pkg.packageName 8668 + " signature changed; retaining data."; 8669 reportSettingsProblem(Log.WARN, msg); 8670 } 8671 } 8672 8673 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8674 // This package wants to adopt ownership of permissions from 8675 // another package. 8676 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8677 final String origName = pkg.mAdoptPermissions.get(i); 8678 final PackageSetting orig = mSettings.getPackageLPr(origName); 8679 if (orig != null) { 8680 if (verifyPackageUpdateLPr(orig, pkg)) { 8681 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8682 + pkg.packageName); 8683 // SIDE EFFECTS; updates permissions system state; move elsewhere 8684 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8685 } 8686 } 8687 } 8688 } 8689 } 8690 8691 pkg.applicationInfo.processName = fixProcessName( 8692 pkg.applicationInfo.packageName, 8693 pkg.applicationInfo.processName); 8694 8695 if (pkg != mPlatformPackage) { 8696 // Get all of our default paths setup 8697 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8698 } 8699 8700 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8701 8702 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8703 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 8704 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 8705 derivePackageAbi( 8706 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 8707 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8708 8709 // Some system apps still use directory structure for native libraries 8710 // in which case we might end up not detecting abi solely based on apk 8711 // structure. Try to detect abi based on directory structure. 8712 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8713 pkg.applicationInfo.primaryCpuAbi == null) { 8714 setBundledAppAbisAndRoots(pkg, pkgSetting); 8715 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8716 } 8717 } else { 8718 // This is not a first boot or an upgrade, don't bother deriving the 8719 // ABI during the scan. Instead, trust the value that was stored in the 8720 // package setting. 8721 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 8722 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 8723 8724 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8725 8726 if (DEBUG_ABI_SELECTION) { 8727 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 8728 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 8729 pkg.applicationInfo.secondaryCpuAbi); 8730 } 8731 } 8732 } else { 8733 if ((scanFlags & SCAN_MOVE) != 0) { 8734 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8735 // but we already have this packages package info in the PackageSetting. We just 8736 // use that and derive the native library path based on the new codepath. 8737 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8738 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8739 } 8740 8741 // Set native library paths again. For moves, the path will be updated based on the 8742 // ABIs we've determined above. For non-moves, the path will be updated based on the 8743 // ABIs we determined during compilation, but the path will depend on the final 8744 // package path (after the rename away from the stage path). 8745 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8746 } 8747 8748 // This is a special case for the "system" package, where the ABI is 8749 // dictated by the zygote configuration (and init.rc). We should keep track 8750 // of this ABI so that we can deal with "normal" applications that run under 8751 // the same UID correctly. 8752 if (mPlatformPackage == pkg) { 8753 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8754 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8755 } 8756 8757 // If there's a mismatch between the abi-override in the package setting 8758 // and the abiOverride specified for the install. Warn about this because we 8759 // would've already compiled the app without taking the package setting into 8760 // account. 8761 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8762 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8763 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8764 " for package " + pkg.packageName); 8765 } 8766 } 8767 8768 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8769 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8770 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8771 8772 // Copy the derived override back to the parsed package, so that we can 8773 // update the package settings accordingly. 8774 pkg.cpuAbiOverride = cpuAbiOverride; 8775 8776 if (DEBUG_ABI_SELECTION) { 8777 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8778 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8779 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8780 } 8781 8782 // Push the derived path down into PackageSettings so we know what to 8783 // clean up at uninstall time. 8784 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8785 8786 if (DEBUG_ABI_SELECTION) { 8787 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8788 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8789 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8790 } 8791 8792 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 8793 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8794 // We don't do this here during boot because we can do it all 8795 // at once after scanning all existing packages. 8796 // 8797 // We also do this *before* we perform dexopt on this package, so that 8798 // we can avoid redundant dexopts, and also to make sure we've got the 8799 // code and package path correct. 8800 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 8801 } 8802 8803 if (mFactoryTest && pkg.requestedPermissions.contains( 8804 android.Manifest.permission.FACTORY_TEST)) { 8805 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8806 } 8807 8808 if (isSystemApp(pkg)) { 8809 pkgSetting.isOrphaned = true; 8810 } 8811 8812 // Take care of first install / last update times. 8813 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8814 if (currentTime != 0) { 8815 if (pkgSetting.firstInstallTime == 0) { 8816 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8817 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 8818 pkgSetting.lastUpdateTime = currentTime; 8819 } 8820 } else if (pkgSetting.firstInstallTime == 0) { 8821 // We need *something*. Take time time stamp of the file. 8822 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8823 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8824 if (scanFileTime != pkgSetting.timeStamp) { 8825 // A package on the system image has changed; consider this 8826 // to be an update. 8827 pkgSetting.lastUpdateTime = scanFileTime; 8828 } 8829 } 8830 pkgSetting.setTimeStamp(scanFileTime); 8831 8832 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8833 if (nonMutatedPs != null) { 8834 synchronized (mPackages) { 8835 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8836 } 8837 } 8838 } else { 8839 // Modify state for the given package setting 8840 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 8841 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 8842 } 8843 return pkg; 8844 } 8845 8846 /** 8847 * Applies policy to the parsed package based upon the given policy flags. 8848 * Ensures the package is in a good state. 8849 * <p> 8850 * Implementation detail: This method must NOT have any side effect. It would 8851 * ideally be static, but, it requires locks to read system state. 8852 */ 8853 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 8854 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8855 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8856 if (pkg.applicationInfo.isDirectBootAware()) { 8857 // we're direct boot aware; set for all components 8858 for (PackageParser.Service s : pkg.services) { 8859 s.info.encryptionAware = s.info.directBootAware = true; 8860 } 8861 for (PackageParser.Provider p : pkg.providers) { 8862 p.info.encryptionAware = p.info.directBootAware = true; 8863 } 8864 for (PackageParser.Activity a : pkg.activities) { 8865 a.info.encryptionAware = a.info.directBootAware = true; 8866 } 8867 for (PackageParser.Activity r : pkg.receivers) { 8868 r.info.encryptionAware = r.info.directBootAware = true; 8869 } 8870 } 8871 } else { 8872 // Only allow system apps to be flagged as core apps. 8873 pkg.coreApp = false; 8874 // clear flags not applicable to regular apps 8875 pkg.applicationInfo.privateFlags &= 8876 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8877 pkg.applicationInfo.privateFlags &= 8878 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8879 } 8880 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8881 8882 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8883 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8884 } 8885 8886 if (!isSystemApp(pkg)) { 8887 // Only system apps can use these features. 8888 pkg.mOriginalPackages = null; 8889 pkg.mRealPackage = null; 8890 pkg.mAdoptPermissions = null; 8891 } 8892 } 8893 8894 /** 8895 * Asserts the parsed package is valid according to teh given policy. If the 8896 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 8897 * <p> 8898 * Implementation detail: This method must NOT have any side effects. It would 8899 * ideally be static, but, it requires locks to read system state. 8900 * 8901 * @throws PackageManagerException If the package fails any of the validation checks 8902 */ 8903 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 8904 throws PackageManagerException { 8905 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8906 assertCodePolicy(pkg); 8907 } 8908 8909 if (pkg.applicationInfo.getCodePath() == null || 8910 pkg.applicationInfo.getResourcePath() == null) { 8911 // Bail out. The resource and code paths haven't been set. 8912 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8913 "Code and resource paths haven't been set correctly"); 8914 } 8915 8916 // Make sure we're not adding any bogus keyset info 8917 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8918 ksms.assertScannedPackageValid(pkg); 8919 8920 synchronized (mPackages) { 8921 // The special "android" package can only be defined once 8922 if (pkg.packageName.equals("android")) { 8923 if (mAndroidApplication != null) { 8924 Slog.w(TAG, "*************************************************"); 8925 Slog.w(TAG, "Core android package being redefined. Skipping."); 8926 Slog.w(TAG, " codePath=" + pkg.codePath); 8927 Slog.w(TAG, "*************************************************"); 8928 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8929 "Core android package being redefined. Skipping."); 8930 } 8931 } 8932 8933 // A package name must be unique; don't allow duplicates 8934 if (mPackages.containsKey(pkg.packageName) 8935 || mSharedLibraries.containsKey(pkg.packageName)) { 8936 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8937 "Application package " + pkg.packageName 8938 + " already installed. Skipping duplicate."); 8939 } 8940 8941 // Only privileged apps and updated privileged apps can add child packages. 8942 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8943 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8944 throw new PackageManagerException("Only privileged apps can add child " 8945 + "packages. Ignoring package " + pkg.packageName); 8946 } 8947 final int childCount = pkg.childPackages.size(); 8948 for (int i = 0; i < childCount; i++) { 8949 PackageParser.Package childPkg = pkg.childPackages.get(i); 8950 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8951 childPkg.packageName)) { 8952 throw new PackageManagerException("Can't override child of " 8953 + "another disabled app. Ignoring package " + pkg.packageName); 8954 } 8955 } 8956 } 8957 8958 // If we're only installing presumed-existing packages, require that the 8959 // scanned APK is both already known and at the path previously established 8960 // for it. Previously unknown packages we pick up normally, but if we have an 8961 // a priori expectation about this package's install presence, enforce it. 8962 // With a singular exception for new system packages. When an OTA contains 8963 // a new system package, we allow the codepath to change from a system location 8964 // to the user-installed location. If we don't allow this change, any newer, 8965 // user-installed version of the application will be ignored. 8966 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8967 if (mExpectingBetter.containsKey(pkg.packageName)) { 8968 logCriticalInfo(Log.WARN, 8969 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8970 } else { 8971 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 8972 if (known != null) { 8973 if (DEBUG_PACKAGE_SCANNING) { 8974 Log.d(TAG, "Examining " + pkg.codePath 8975 + " and requiring known paths " + known.codePathString 8976 + " & " + known.resourcePathString); 8977 } 8978 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8979 || !pkg.applicationInfo.getResourcePath().equals( 8980 known.resourcePathString)) { 8981 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8982 "Application package " + pkg.packageName 8983 + " found at " + pkg.applicationInfo.getCodePath() 8984 + " but expected at " + known.codePathString 8985 + "; ignoring."); 8986 } 8987 } 8988 } 8989 } 8990 8991 // Verify that this new package doesn't have any content providers 8992 // that conflict with existing packages. Only do this if the 8993 // package isn't already installed, since we don't want to break 8994 // things that are installed. 8995 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8996 final int N = pkg.providers.size(); 8997 int i; 8998 for (i=0; i<N; i++) { 8999 PackageParser.Provider p = pkg.providers.get(i); 9000 if (p.info.authority != null) { 9001 String names[] = p.info.authority.split(";"); 9002 for (int j = 0; j < names.length; j++) { 9003 if (mProvidersByAuthority.containsKey(names[j])) { 9004 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9005 final String otherPackageName = 9006 ((other != null && other.getComponentName() != null) ? 9007 other.getComponentName().getPackageName() : "?"); 9008 throw new PackageManagerException( 9009 INSTALL_FAILED_CONFLICTING_PROVIDER, 9010 "Can't install because provider name " + names[j] 9011 + " (in package " + pkg.applicationInfo.packageName 9012 + ") is already used by " + otherPackageName); 9013 } 9014 } 9015 } 9016 } 9017 } 9018 } 9019 } 9020 9021 /** 9022 * Adds a scanned package to the system. When this method is finished, the package will 9023 * be available for query, resolution, etc... 9024 */ 9025 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 9026 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 9027 final String pkgName = pkg.packageName; 9028 if (mCustomResolverComponentName != null && 9029 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 9030 setUpCustomResolverActivity(pkg); 9031 } 9032 9033 if (pkg.packageName.equals("android")) { 9034 synchronized (mPackages) { 9035 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9036 // Set up information for our fall-back user intent resolution activity. 9037 mPlatformPackage = pkg; 9038 pkg.mVersionCode = mSdkVersion; 9039 mAndroidApplication = pkg.applicationInfo; 9040 9041 if (!mResolverReplaced) { 9042 mResolveActivity.applicationInfo = mAndroidApplication; 9043 mResolveActivity.name = ResolverActivity.class.getName(); 9044 mResolveActivity.packageName = mAndroidApplication.packageName; 9045 mResolveActivity.processName = "system:ui"; 9046 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9047 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 9048 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 9049 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 9050 mResolveActivity.exported = true; 9051 mResolveActivity.enabled = true; 9052 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 9053 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 9054 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 9055 | ActivityInfo.CONFIG_SCREEN_LAYOUT 9056 | ActivityInfo.CONFIG_ORIENTATION 9057 | ActivityInfo.CONFIG_KEYBOARD 9058 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 9059 mResolveInfo.activityInfo = mResolveActivity; 9060 mResolveInfo.priority = 0; 9061 mResolveInfo.preferredOrder = 0; 9062 mResolveInfo.match = 0; 9063 mResolveComponentName = new ComponentName( 9064 mAndroidApplication.packageName, mResolveActivity.name); 9065 } 9066 } 9067 } 9068 } 9069 9070 ArrayList<PackageParser.Package> clientLibPkgs = null; 9071 // writer 9072 synchronized (mPackages) { 9073 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9074 // Only system apps can add new shared libraries. 9075 if (pkg.libraryNames != null) { 9076 for (int i=0; i<pkg.libraryNames.size(); i++) { 9077 String name = pkg.libraryNames.get(i); 9078 boolean allowed = false; 9079 if (pkg.isUpdatedSystemApp()) { 9080 // New library entries can only be added through the 9081 // system image. This is important to get rid of a lot 9082 // of nasty edge cases: for example if we allowed a non- 9083 // system update of the app to add a library, then uninstalling 9084 // the update would make the library go away, and assumptions 9085 // we made such as through app install filtering would now 9086 // have allowed apps on the device which aren't compatible 9087 // with it. Better to just have the restriction here, be 9088 // conservative, and create many fewer cases that can negatively 9089 // impact the user experience. 9090 final PackageSetting sysPs = mSettings 9091 .getDisabledSystemPkgLPr(pkg.packageName); 9092 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 9093 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 9094 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 9095 allowed = true; 9096 break; 9097 } 9098 } 9099 } 9100 } else { 9101 allowed = true; 9102 } 9103 if (allowed) { 9104 if (!mSharedLibraries.containsKey(name)) { 9105 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 9106 } else if (!name.equals(pkg.packageName)) { 9107 Slog.w(TAG, "Package " + pkg.packageName + " library " 9108 + name + " already exists; skipping"); 9109 } 9110 } else { 9111 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 9112 + name + " that is not declared on system image; skipping"); 9113 } 9114 } 9115 if ((scanFlags & SCAN_BOOTING) == 0) { 9116 // If we are not booting, we need to update any applications 9117 // that are clients of our shared library. If we are booting, 9118 // this will all be done once the scan is complete. 9119 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 9120 } 9121 } 9122 } 9123 } 9124 9125 if ((scanFlags & SCAN_BOOTING) != 0) { 9126 // No apps can run during boot scan, so they don't need to be frozen 9127 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 9128 // Caller asked to not kill app, so it's probably not frozen 9129 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 9130 // Caller asked us to ignore frozen check for some reason; they 9131 // probably didn't know the package name 9132 } else { 9133 // We're doing major surgery on this package, so it better be frozen 9134 // right now to keep it from launching 9135 checkPackageFrozen(pkgName); 9136 } 9137 9138 // Also need to kill any apps that are dependent on the library. 9139 if (clientLibPkgs != null) { 9140 for (int i=0; i<clientLibPkgs.size(); i++) { 9141 PackageParser.Package clientPkg = clientLibPkgs.get(i); 9142 killApplication(clientPkg.applicationInfo.packageName, 9143 clientPkg.applicationInfo.uid, "update lib"); 9144 } 9145 } 9146 9147 // writer 9148 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 9149 9150 boolean createIdmapFailed = false; 9151 synchronized (mPackages) { 9152 // We don't expect installation to fail beyond this point 9153 9154 if (pkgSetting.pkg != null) { 9155 // Note that |user| might be null during the initial boot scan. If a codePath 9156 // for an app has changed during a boot scan, it's due to an app update that's 9157 // part of the system partition and marker changes must be applied to all users. 9158 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 9159 final int[] userIds = resolveUserIds(userId); 9160 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 9161 } 9162 9163 // Add the new setting to mSettings 9164 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 9165 // Add the new setting to mPackages 9166 mPackages.put(pkg.applicationInfo.packageName, pkg); 9167 // Make sure we don't accidentally delete its data. 9168 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 9169 while (iter.hasNext()) { 9170 PackageCleanItem item = iter.next(); 9171 if (pkgName.equals(item.packageName)) { 9172 iter.remove(); 9173 } 9174 } 9175 9176 // Add the package's KeySets to the global KeySetManagerService 9177 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9178 ksms.addScannedPackageLPw(pkg); 9179 9180 int N = pkg.providers.size(); 9181 StringBuilder r = null; 9182 int i; 9183 for (i=0; i<N; i++) { 9184 PackageParser.Provider p = pkg.providers.get(i); 9185 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 9186 p.info.processName); 9187 mProviders.addProvider(p); 9188 p.syncable = p.info.isSyncable; 9189 if (p.info.authority != null) { 9190 String names[] = p.info.authority.split(";"); 9191 p.info.authority = null; 9192 for (int j = 0; j < names.length; j++) { 9193 if (j == 1 && p.syncable) { 9194 // We only want the first authority for a provider to possibly be 9195 // syncable, so if we already added this provider using a different 9196 // authority clear the syncable flag. We copy the provider before 9197 // changing it because the mProviders object contains a reference 9198 // to a provider that we don't want to change. 9199 // Only do this for the second authority since the resulting provider 9200 // object can be the same for all future authorities for this provider. 9201 p = new PackageParser.Provider(p); 9202 p.syncable = false; 9203 } 9204 if (!mProvidersByAuthority.containsKey(names[j])) { 9205 mProvidersByAuthority.put(names[j], p); 9206 if (p.info.authority == null) { 9207 p.info.authority = names[j]; 9208 } else { 9209 p.info.authority = p.info.authority + ";" + names[j]; 9210 } 9211 if (DEBUG_PACKAGE_SCANNING) { 9212 if (chatty) 9213 Log.d(TAG, "Registered content provider: " + names[j] 9214 + ", className = " + p.info.name + ", isSyncable = " 9215 + p.info.isSyncable); 9216 } 9217 } else { 9218 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9219 Slog.w(TAG, "Skipping provider name " + names[j] + 9220 " (in package " + pkg.applicationInfo.packageName + 9221 "): name already used by " 9222 + ((other != null && other.getComponentName() != null) 9223 ? other.getComponentName().getPackageName() : "?")); 9224 } 9225 } 9226 } 9227 if (chatty) { 9228 if (r == null) { 9229 r = new StringBuilder(256); 9230 } else { 9231 r.append(' '); 9232 } 9233 r.append(p.info.name); 9234 } 9235 } 9236 if (r != null) { 9237 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 9238 } 9239 9240 N = pkg.services.size(); 9241 r = null; 9242 for (i=0; i<N; i++) { 9243 PackageParser.Service s = pkg.services.get(i); 9244 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 9245 s.info.processName); 9246 mServices.addService(s); 9247 if (chatty) { 9248 if (r == null) { 9249 r = new StringBuilder(256); 9250 } else { 9251 r.append(' '); 9252 } 9253 r.append(s.info.name); 9254 } 9255 } 9256 if (r != null) { 9257 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 9258 } 9259 9260 N = pkg.receivers.size(); 9261 r = null; 9262 for (i=0; i<N; i++) { 9263 PackageParser.Activity a = pkg.receivers.get(i); 9264 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 9265 a.info.processName); 9266 mReceivers.addActivity(a, "receiver"); 9267 if (chatty) { 9268 if (r == null) { 9269 r = new StringBuilder(256); 9270 } else { 9271 r.append(' '); 9272 } 9273 r.append(a.info.name); 9274 } 9275 } 9276 if (r != null) { 9277 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 9278 } 9279 9280 N = pkg.activities.size(); 9281 r = null; 9282 for (i=0; i<N; i++) { 9283 PackageParser.Activity a = pkg.activities.get(i); 9284 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 9285 a.info.processName); 9286 mActivities.addActivity(a, "activity"); 9287 if (chatty) { 9288 if (r == null) { 9289 r = new StringBuilder(256); 9290 } else { 9291 r.append(' '); 9292 } 9293 r.append(a.info.name); 9294 } 9295 } 9296 if (r != null) { 9297 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 9298 } 9299 9300 N = pkg.permissionGroups.size(); 9301 r = null; 9302 for (i=0; i<N; i++) { 9303 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 9304 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 9305 final String curPackageName = cur == null ? null : cur.info.packageName; 9306 // Dont allow ephemeral apps to define new permission groups. 9307 if (pkg.applicationInfo.isEphemeralApp()) { 9308 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 9309 + pg.info.packageName 9310 + " ignored: ephemeral apps cannot define new permission groups."); 9311 continue; 9312 } 9313 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 9314 if (cur == null || isPackageUpdate) { 9315 mPermissionGroups.put(pg.info.name, pg); 9316 if (chatty) { 9317 if (r == null) { 9318 r = new StringBuilder(256); 9319 } else { 9320 r.append(' '); 9321 } 9322 if (isPackageUpdate) { 9323 r.append("UPD:"); 9324 } 9325 r.append(pg.info.name); 9326 } 9327 } else { 9328 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 9329 + pg.info.packageName + " ignored: original from " 9330 + cur.info.packageName); 9331 if (chatty) { 9332 if (r == null) { 9333 r = new StringBuilder(256); 9334 } else { 9335 r.append(' '); 9336 } 9337 r.append("DUP:"); 9338 r.append(pg.info.name); 9339 } 9340 } 9341 } 9342 if (r != null) { 9343 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 9344 } 9345 9346 N = pkg.permissions.size(); 9347 r = null; 9348 for (i=0; i<N; i++) { 9349 PackageParser.Permission p = pkg.permissions.get(i); 9350 9351 // Dont allow ephemeral apps to define new permissions. 9352 if (pkg.applicationInfo.isEphemeralApp()) { 9353 Slog.w(TAG, "Permission " + p.info.name + " from package " 9354 + p.info.packageName 9355 + " ignored: ephemeral apps cannot define new permissions."); 9356 continue; 9357 } 9358 9359 // Assume by default that we did not install this permission into the system. 9360 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 9361 9362 // Now that permission groups have a special meaning, we ignore permission 9363 // groups for legacy apps to prevent unexpected behavior. In particular, 9364 // permissions for one app being granted to someone just becase they happen 9365 // to be in a group defined by another app (before this had no implications). 9366 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 9367 p.group = mPermissionGroups.get(p.info.group); 9368 // Warn for a permission in an unknown group. 9369 if (p.info.group != null && p.group == null) { 9370 Slog.w(TAG, "Permission " + p.info.name + " from package " 9371 + p.info.packageName + " in an unknown group " + p.info.group); 9372 } 9373 } 9374 9375 ArrayMap<String, BasePermission> permissionMap = 9376 p.tree ? mSettings.mPermissionTrees 9377 : mSettings.mPermissions; 9378 BasePermission bp = permissionMap.get(p.info.name); 9379 9380 // Allow system apps to redefine non-system permissions 9381 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 9382 final boolean currentOwnerIsSystem = (bp.perm != null 9383 && isSystemApp(bp.perm.owner)); 9384 if (isSystemApp(p.owner)) { 9385 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 9386 // It's a built-in permission and no owner, take ownership now 9387 bp.packageSetting = pkgSetting; 9388 bp.perm = p; 9389 bp.uid = pkg.applicationInfo.uid; 9390 bp.sourcePackage = p.info.packageName; 9391 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 9392 } else if (!currentOwnerIsSystem) { 9393 String msg = "New decl " + p.owner + " of permission " 9394 + p.info.name + " is system; overriding " + bp.sourcePackage; 9395 reportSettingsProblem(Log.WARN, msg); 9396 bp = null; 9397 } 9398 } 9399 } 9400 9401 if (bp == null) { 9402 bp = new BasePermission(p.info.name, p.info.packageName, 9403 BasePermission.TYPE_NORMAL); 9404 permissionMap.put(p.info.name, bp); 9405 } 9406 9407 if (bp.perm == null) { 9408 if (bp.sourcePackage == null 9409 || bp.sourcePackage.equals(p.info.packageName)) { 9410 BasePermission tree = findPermissionTreeLP(p.info.name); 9411 if (tree == null 9412 || tree.sourcePackage.equals(p.info.packageName)) { 9413 bp.packageSetting = pkgSetting; 9414 bp.perm = p; 9415 bp.uid = pkg.applicationInfo.uid; 9416 bp.sourcePackage = p.info.packageName; 9417 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 9418 if (chatty) { 9419 if (r == null) { 9420 r = new StringBuilder(256); 9421 } else { 9422 r.append(' '); 9423 } 9424 r.append(p.info.name); 9425 } 9426 } else { 9427 Slog.w(TAG, "Permission " + p.info.name + " from package " 9428 + p.info.packageName + " ignored: base tree " 9429 + tree.name + " is from package " 9430 + tree.sourcePackage); 9431 } 9432 } else { 9433 Slog.w(TAG, "Permission " + p.info.name + " from package " 9434 + p.info.packageName + " ignored: original from " 9435 + bp.sourcePackage); 9436 } 9437 } else if (chatty) { 9438 if (r == null) { 9439 r = new StringBuilder(256); 9440 } else { 9441 r.append(' '); 9442 } 9443 r.append("DUP:"); 9444 r.append(p.info.name); 9445 } 9446 if (bp.perm == p) { 9447 bp.protectionLevel = p.info.protectionLevel; 9448 } 9449 } 9450 9451 if (r != null) { 9452 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 9453 } 9454 9455 N = pkg.instrumentation.size(); 9456 r = null; 9457 for (i=0; i<N; i++) { 9458 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9459 a.info.packageName = pkg.applicationInfo.packageName; 9460 a.info.sourceDir = pkg.applicationInfo.sourceDir; 9461 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 9462 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 9463 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 9464 a.info.dataDir = pkg.applicationInfo.dataDir; 9465 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 9466 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 9467 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 9468 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 9469 mInstrumentation.put(a.getComponentName(), a); 9470 if (chatty) { 9471 if (r == null) { 9472 r = new StringBuilder(256); 9473 } else { 9474 r.append(' '); 9475 } 9476 r.append(a.info.name); 9477 } 9478 } 9479 if (r != null) { 9480 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 9481 } 9482 9483 if (pkg.protectedBroadcasts != null) { 9484 N = pkg.protectedBroadcasts.size(); 9485 for (i=0; i<N; i++) { 9486 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 9487 } 9488 } 9489 9490 // Create idmap files for pairs of (packages, overlay packages). 9491 // Note: "android", ie framework-res.apk, is handled by native layers. 9492 if (pkg.mOverlayTarget != null) { 9493 // This is an overlay package. 9494 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 9495 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 9496 mOverlays.put(pkg.mOverlayTarget, 9497 new ArrayMap<String, PackageParser.Package>()); 9498 } 9499 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 9500 map.put(pkg.packageName, pkg); 9501 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 9502 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 9503 createIdmapFailed = true; 9504 } 9505 } 9506 } else if (mOverlays.containsKey(pkg.packageName) && 9507 !pkg.packageName.equals("android")) { 9508 // This is a regular package, with one or more known overlay packages. 9509 createIdmapsForPackageLI(pkg); 9510 } 9511 } 9512 9513 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9514 9515 if (createIdmapFailed) { 9516 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9517 "scanPackageLI failed to createIdmap"); 9518 } 9519 } 9520 9521 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9522 PackageParser.Package update, int[] userIds) { 9523 if (existing.applicationInfo == null || update.applicationInfo == null) { 9524 // This isn't due to an app installation. 9525 return; 9526 } 9527 9528 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9529 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9530 9531 // The codePath hasn't changed, so there's nothing for us to do. 9532 if (Objects.equals(oldCodePath, newCodePath)) { 9533 return; 9534 } 9535 9536 File canonicalNewCodePath; 9537 try { 9538 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9539 } catch (IOException e) { 9540 Slog.w(TAG, "Failed to get canonical path.", e); 9541 return; 9542 } 9543 9544 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9545 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9546 // that the last component of the path (i.e, the name) doesn't need canonicalization 9547 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9548 // but may change in the future. Hopefully this function won't exist at that point. 9549 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9550 oldCodePath.getName()); 9551 9552 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9553 // with "@". 9554 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9555 if (!oldMarkerPrefix.endsWith("@")) { 9556 oldMarkerPrefix += "@"; 9557 } 9558 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9559 if (!newMarkerPrefix.endsWith("@")) { 9560 newMarkerPrefix += "@"; 9561 } 9562 9563 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9564 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9565 for (String updatedPath : updatedPaths) { 9566 String updatedPathName = new File(updatedPath).getName(); 9567 markerSuffixes.add(updatedPathName.replace('/', '@')); 9568 } 9569 9570 for (int userId : userIds) { 9571 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9572 9573 for (String markerSuffix : markerSuffixes) { 9574 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9575 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9576 if (oldForeignUseMark.exists()) { 9577 try { 9578 Os.rename(oldForeignUseMark.getAbsolutePath(), 9579 newForeignUseMark.getAbsolutePath()); 9580 } catch (ErrnoException e) { 9581 Slog.w(TAG, "Failed to rename foreign use marker", e); 9582 oldForeignUseMark.delete(); 9583 } 9584 } 9585 } 9586 } 9587 } 9588 9589 /** 9590 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9591 * is derived purely on the basis of the contents of {@code scanFile} and 9592 * {@code cpuAbiOverride}. 9593 * 9594 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9595 */ 9596 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9597 String cpuAbiOverride, boolean extractLibs, 9598 File appLib32InstallDir) 9599 throws PackageManagerException { 9600 // Give ourselves some initial paths; we'll come back for another 9601 // pass once we've determined ABI below. 9602 setNativeLibraryPaths(pkg, appLib32InstallDir); 9603 9604 // We would never need to extract libs for forward-locked and external packages, 9605 // since the container service will do it for us. We shouldn't attempt to 9606 // extract libs from system app when it was not updated. 9607 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9608 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9609 extractLibs = false; 9610 } 9611 9612 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9613 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9614 9615 NativeLibraryHelper.Handle handle = null; 9616 try { 9617 handle = NativeLibraryHelper.Handle.create(pkg); 9618 // TODO(multiArch): This can be null for apps that didn't go through the 9619 // usual installation process. We can calculate it again, like we 9620 // do during install time. 9621 // 9622 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9623 // unnecessary. 9624 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9625 9626 // Null out the abis so that they can be recalculated. 9627 pkg.applicationInfo.primaryCpuAbi = null; 9628 pkg.applicationInfo.secondaryCpuAbi = null; 9629 if (isMultiArch(pkg.applicationInfo)) { 9630 // Warn if we've set an abiOverride for multi-lib packages.. 9631 // By definition, we need to copy both 32 and 64 bit libraries for 9632 // such packages. 9633 if (pkg.cpuAbiOverride != null 9634 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9635 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9636 } 9637 9638 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9639 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9640 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9641 if (extractLibs) { 9642 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9643 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9644 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9645 useIsaSpecificSubdirs); 9646 } else { 9647 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9648 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9649 } 9650 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9651 } 9652 9653 maybeThrowExceptionForMultiArchCopy( 9654 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9655 9656 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9657 if (extractLibs) { 9658 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9659 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9660 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9661 useIsaSpecificSubdirs); 9662 } else { 9663 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9664 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9665 } 9666 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9667 } 9668 9669 maybeThrowExceptionForMultiArchCopy( 9670 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9671 9672 if (abi64 >= 0) { 9673 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9674 } 9675 9676 if (abi32 >= 0) { 9677 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9678 if (abi64 >= 0) { 9679 if (pkg.use32bitAbi) { 9680 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9681 pkg.applicationInfo.primaryCpuAbi = abi; 9682 } else { 9683 pkg.applicationInfo.secondaryCpuAbi = abi; 9684 } 9685 } else { 9686 pkg.applicationInfo.primaryCpuAbi = abi; 9687 } 9688 } 9689 9690 } else { 9691 String[] abiList = (cpuAbiOverride != null) ? 9692 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9693 9694 // Enable gross and lame hacks for apps that are built with old 9695 // SDK tools. We must scan their APKs for renderscript bitcode and 9696 // not launch them if it's present. Don't bother checking on devices 9697 // that don't have 64 bit support. 9698 boolean needsRenderScriptOverride = false; 9699 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9700 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9701 abiList = Build.SUPPORTED_32_BIT_ABIS; 9702 needsRenderScriptOverride = true; 9703 } 9704 9705 final int copyRet; 9706 if (extractLibs) { 9707 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9708 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9709 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9710 } else { 9711 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9712 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9713 } 9714 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9715 9716 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9717 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9718 "Error unpackaging native libs for app, errorCode=" + copyRet); 9719 } 9720 9721 if (copyRet >= 0) { 9722 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9723 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9724 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9725 } else if (needsRenderScriptOverride) { 9726 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9727 } 9728 } 9729 } catch (IOException ioe) { 9730 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9731 } finally { 9732 IoUtils.closeQuietly(handle); 9733 } 9734 9735 // Now that we've calculated the ABIs and determined if it's an internal app, 9736 // we will go ahead and populate the nativeLibraryPath. 9737 setNativeLibraryPaths(pkg, appLib32InstallDir); 9738 } 9739 9740 /** 9741 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9742 * i.e, so that all packages can be run inside a single process if required. 9743 * 9744 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9745 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9746 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9747 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9748 * updating a package that belongs to a shared user. 9749 * 9750 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9751 * adds unnecessary complexity. 9752 */ 9753 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9754 PackageParser.Package scannedPackage) { 9755 String requiredInstructionSet = null; 9756 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9757 requiredInstructionSet = VMRuntime.getInstructionSet( 9758 scannedPackage.applicationInfo.primaryCpuAbi); 9759 } 9760 9761 PackageSetting requirer = null; 9762 for (PackageSetting ps : packagesForUser) { 9763 // If packagesForUser contains scannedPackage, we skip it. This will happen 9764 // when scannedPackage is an update of an existing package. Without this check, 9765 // we will never be able to change the ABI of any package belonging to a shared 9766 // user, even if it's compatible with other packages. 9767 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9768 if (ps.primaryCpuAbiString == null) { 9769 continue; 9770 } 9771 9772 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9773 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9774 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9775 // this but there's not much we can do. 9776 String errorMessage = "Instruction set mismatch, " 9777 + ((requirer == null) ? "[caller]" : requirer) 9778 + " requires " + requiredInstructionSet + " whereas " + ps 9779 + " requires " + instructionSet; 9780 Slog.w(TAG, errorMessage); 9781 } 9782 9783 if (requiredInstructionSet == null) { 9784 requiredInstructionSet = instructionSet; 9785 requirer = ps; 9786 } 9787 } 9788 } 9789 9790 if (requiredInstructionSet != null) { 9791 String adjustedAbi; 9792 if (requirer != null) { 9793 // requirer != null implies that either scannedPackage was null or that scannedPackage 9794 // did not require an ABI, in which case we have to adjust scannedPackage to match 9795 // the ABI of the set (which is the same as requirer's ABI) 9796 adjustedAbi = requirer.primaryCpuAbiString; 9797 if (scannedPackage != null) { 9798 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9799 } 9800 } else { 9801 // requirer == null implies that we're updating all ABIs in the set to 9802 // match scannedPackage. 9803 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9804 } 9805 9806 for (PackageSetting ps : packagesForUser) { 9807 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9808 if (ps.primaryCpuAbiString != null) { 9809 continue; 9810 } 9811 9812 ps.primaryCpuAbiString = adjustedAbi; 9813 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9814 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9815 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9816 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9817 + " (requirer=" 9818 + (requirer == null ? "null" : requirer.pkg.packageName) 9819 + ", scannedPackage=" 9820 + (scannedPackage != null ? scannedPackage.packageName : "null") 9821 + ")"); 9822 try { 9823 mInstaller.rmdex(ps.codePathString, 9824 getDexCodeInstructionSet(getPreferredInstructionSet())); 9825 } catch (InstallerException ignored) { 9826 } 9827 } 9828 } 9829 } 9830 } 9831 } 9832 9833 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9834 synchronized (mPackages) { 9835 mResolverReplaced = true; 9836 // Set up information for custom user intent resolution activity. 9837 mResolveActivity.applicationInfo = pkg.applicationInfo; 9838 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9839 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9840 mResolveActivity.processName = pkg.applicationInfo.packageName; 9841 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9842 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9843 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9844 mResolveActivity.theme = 0; 9845 mResolveActivity.exported = true; 9846 mResolveActivity.enabled = true; 9847 mResolveInfo.activityInfo = mResolveActivity; 9848 mResolveInfo.priority = 0; 9849 mResolveInfo.preferredOrder = 0; 9850 mResolveInfo.match = 0; 9851 mResolveComponentName = mCustomResolverComponentName; 9852 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9853 mResolveComponentName); 9854 } 9855 } 9856 9857 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9858 if (installerComponent == null) { 9859 if (DEBUG_EPHEMERAL) { 9860 Slog.d(TAG, "Clear ephemeral installer activity"); 9861 } 9862 mEphemeralInstallerActivity.applicationInfo = null; 9863 return; 9864 } 9865 9866 if (DEBUG_EPHEMERAL) { 9867 Slog.d(TAG, "Set ephemeral installer activity: " + installerComponent); 9868 } 9869 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9870 // Set up information for ephemeral installer activity 9871 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9872 mEphemeralInstallerActivity.name = installerComponent.getClassName(); 9873 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9874 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9875 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9876 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9877 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9878 mEphemeralInstallerActivity.theme = 0; 9879 mEphemeralInstallerActivity.exported = true; 9880 mEphemeralInstallerActivity.enabled = true; 9881 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9882 mEphemeralInstallerInfo.priority = 0; 9883 mEphemeralInstallerInfo.preferredOrder = 1; 9884 mEphemeralInstallerInfo.isDefault = true; 9885 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9886 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9887 } 9888 9889 private static String calculateBundledApkRoot(final String codePathString) { 9890 final File codePath = new File(codePathString); 9891 final File codeRoot; 9892 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9893 codeRoot = Environment.getRootDirectory(); 9894 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9895 codeRoot = Environment.getOemDirectory(); 9896 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9897 codeRoot = Environment.getVendorDirectory(); 9898 } else { 9899 // Unrecognized code path; take its top real segment as the apk root: 9900 // e.g. /something/app/blah.apk => /something 9901 try { 9902 File f = codePath.getCanonicalFile(); 9903 File parent = f.getParentFile(); // non-null because codePath is a file 9904 File tmp; 9905 while ((tmp = parent.getParentFile()) != null) { 9906 f = parent; 9907 parent = tmp; 9908 } 9909 codeRoot = f; 9910 Slog.w(TAG, "Unrecognized code path " 9911 + codePath + " - using " + codeRoot); 9912 } catch (IOException e) { 9913 // Can't canonicalize the code path -- shenanigans? 9914 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9915 return Environment.getRootDirectory().getPath(); 9916 } 9917 } 9918 return codeRoot.getPath(); 9919 } 9920 9921 /** 9922 * Derive and set the location of native libraries for the given package, 9923 * which varies depending on where and how the package was installed. 9924 */ 9925 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 9926 final ApplicationInfo info = pkg.applicationInfo; 9927 final String codePath = pkg.codePath; 9928 final File codeFile = new File(codePath); 9929 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9930 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9931 9932 info.nativeLibraryRootDir = null; 9933 info.nativeLibraryRootRequiresIsa = false; 9934 info.nativeLibraryDir = null; 9935 info.secondaryNativeLibraryDir = null; 9936 9937 if (isApkFile(codeFile)) { 9938 // Monolithic install 9939 if (bundledApp) { 9940 // If "/system/lib64/apkname" exists, assume that is the per-package 9941 // native library directory to use; otherwise use "/system/lib/apkname". 9942 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9943 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9944 getPrimaryInstructionSet(info)); 9945 9946 // This is a bundled system app so choose the path based on the ABI. 9947 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9948 // is just the default path. 9949 final String apkName = deriveCodePathName(codePath); 9950 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9951 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9952 apkName).getAbsolutePath(); 9953 9954 if (info.secondaryCpuAbi != null) { 9955 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9956 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9957 secondaryLibDir, apkName).getAbsolutePath(); 9958 } 9959 } else if (asecApp) { 9960 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9961 .getAbsolutePath(); 9962 } else { 9963 final String apkName = deriveCodePathName(codePath); 9964 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 9965 .getAbsolutePath(); 9966 } 9967 9968 info.nativeLibraryRootRequiresIsa = false; 9969 info.nativeLibraryDir = info.nativeLibraryRootDir; 9970 } else { 9971 // Cluster install 9972 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9973 info.nativeLibraryRootRequiresIsa = true; 9974 9975 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9976 getPrimaryInstructionSet(info)).getAbsolutePath(); 9977 9978 if (info.secondaryCpuAbi != null) { 9979 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9980 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9981 } 9982 } 9983 } 9984 9985 /** 9986 * Calculate the abis and roots for a bundled app. These can uniquely 9987 * be determined from the contents of the system partition, i.e whether 9988 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9989 * of this information, and instead assume that the system was built 9990 * sensibly. 9991 */ 9992 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9993 PackageSetting pkgSetting) { 9994 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9995 9996 // If "/system/lib64/apkname" exists, assume that is the per-package 9997 // native library directory to use; otherwise use "/system/lib/apkname". 9998 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9999 setBundledAppAbi(pkg, apkRoot, apkName); 10000 // pkgSetting might be null during rescan following uninstall of updates 10001 // to a bundled app, so accommodate that possibility. The settings in 10002 // that case will be established later from the parsed package. 10003 // 10004 // If the settings aren't null, sync them up with what we've just derived. 10005 // note that apkRoot isn't stored in the package settings. 10006 if (pkgSetting != null) { 10007 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10008 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10009 } 10010 } 10011 10012 /** 10013 * Deduces the ABI of a bundled app and sets the relevant fields on the 10014 * parsed pkg object. 10015 * 10016 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 10017 * under which system libraries are installed. 10018 * @param apkName the name of the installed package. 10019 */ 10020 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 10021 final File codeFile = new File(pkg.codePath); 10022 10023 final boolean has64BitLibs; 10024 final boolean has32BitLibs; 10025 if (isApkFile(codeFile)) { 10026 // Monolithic install 10027 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 10028 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 10029 } else { 10030 // Cluster install 10031 final File rootDir = new File(codeFile, LIB_DIR_NAME); 10032 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 10033 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 10034 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 10035 has64BitLibs = (new File(rootDir, isa)).exists(); 10036 } else { 10037 has64BitLibs = false; 10038 } 10039 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 10040 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 10041 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 10042 has32BitLibs = (new File(rootDir, isa)).exists(); 10043 } else { 10044 has32BitLibs = false; 10045 } 10046 } 10047 10048 if (has64BitLibs && !has32BitLibs) { 10049 // The package has 64 bit libs, but not 32 bit libs. Its primary 10050 // ABI should be 64 bit. We can safely assume here that the bundled 10051 // native libraries correspond to the most preferred ABI in the list. 10052 10053 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10054 pkg.applicationInfo.secondaryCpuAbi = null; 10055 } else if (has32BitLibs && !has64BitLibs) { 10056 // The package has 32 bit libs but not 64 bit libs. Its primary 10057 // ABI should be 32 bit. 10058 10059 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10060 pkg.applicationInfo.secondaryCpuAbi = null; 10061 } else if (has32BitLibs && has64BitLibs) { 10062 // The application has both 64 and 32 bit bundled libraries. We check 10063 // here that the app declares multiArch support, and warn if it doesn't. 10064 // 10065 // We will be lenient here and record both ABIs. The primary will be the 10066 // ABI that's higher on the list, i.e, a device that's configured to prefer 10067 // 64 bit apps will see a 64 bit primary ABI, 10068 10069 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 10070 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 10071 } 10072 10073 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 10074 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10075 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10076 } else { 10077 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10078 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10079 } 10080 } else { 10081 pkg.applicationInfo.primaryCpuAbi = null; 10082 pkg.applicationInfo.secondaryCpuAbi = null; 10083 } 10084 } 10085 10086 private void killApplication(String pkgName, int appId, String reason) { 10087 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 10088 } 10089 10090 private void killApplication(String pkgName, int appId, int userId, String reason) { 10091 // Request the ActivityManager to kill the process(only for existing packages) 10092 // so that we do not end up in a confused state while the user is still using the older 10093 // version of the application while the new one gets installed. 10094 final long token = Binder.clearCallingIdentity(); 10095 try { 10096 IActivityManager am = ActivityManager.getService(); 10097 if (am != null) { 10098 try { 10099 am.killApplication(pkgName, appId, userId, reason); 10100 } catch (RemoteException e) { 10101 } 10102 } 10103 } finally { 10104 Binder.restoreCallingIdentity(token); 10105 } 10106 } 10107 10108 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 10109 // Remove the parent package setting 10110 PackageSetting ps = (PackageSetting) pkg.mExtras; 10111 if (ps != null) { 10112 removePackageLI(ps, chatty); 10113 } 10114 // Remove the child package setting 10115 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10116 for (int i = 0; i < childCount; i++) { 10117 PackageParser.Package childPkg = pkg.childPackages.get(i); 10118 ps = (PackageSetting) childPkg.mExtras; 10119 if (ps != null) { 10120 removePackageLI(ps, chatty); 10121 } 10122 } 10123 } 10124 10125 void removePackageLI(PackageSetting ps, boolean chatty) { 10126 if (DEBUG_INSTALL) { 10127 if (chatty) 10128 Log.d(TAG, "Removing package " + ps.name); 10129 } 10130 10131 // writer 10132 synchronized (mPackages) { 10133 mPackages.remove(ps.name); 10134 final PackageParser.Package pkg = ps.pkg; 10135 if (pkg != null) { 10136 cleanPackageDataStructuresLILPw(pkg, chatty); 10137 } 10138 } 10139 } 10140 10141 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 10142 if (DEBUG_INSTALL) { 10143 if (chatty) 10144 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 10145 } 10146 10147 // writer 10148 synchronized (mPackages) { 10149 // Remove the parent package 10150 mPackages.remove(pkg.applicationInfo.packageName); 10151 cleanPackageDataStructuresLILPw(pkg, chatty); 10152 10153 // Remove the child packages 10154 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10155 for (int i = 0; i < childCount; i++) { 10156 PackageParser.Package childPkg = pkg.childPackages.get(i); 10157 mPackages.remove(childPkg.applicationInfo.packageName); 10158 cleanPackageDataStructuresLILPw(childPkg, chatty); 10159 } 10160 } 10161 } 10162 10163 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 10164 int N = pkg.providers.size(); 10165 StringBuilder r = null; 10166 int i; 10167 for (i=0; i<N; i++) { 10168 PackageParser.Provider p = pkg.providers.get(i); 10169 mProviders.removeProvider(p); 10170 if (p.info.authority == null) { 10171 10172 /* There was another ContentProvider with this authority when 10173 * this app was installed so this authority is null, 10174 * Ignore it as we don't have to unregister the provider. 10175 */ 10176 continue; 10177 } 10178 String names[] = p.info.authority.split(";"); 10179 for (int j = 0; j < names.length; j++) { 10180 if (mProvidersByAuthority.get(names[j]) == p) { 10181 mProvidersByAuthority.remove(names[j]); 10182 if (DEBUG_REMOVE) { 10183 if (chatty) 10184 Log.d(TAG, "Unregistered content provider: " + names[j] 10185 + ", className = " + p.info.name + ", isSyncable = " 10186 + p.info.isSyncable); 10187 } 10188 } 10189 } 10190 if (DEBUG_REMOVE && chatty) { 10191 if (r == null) { 10192 r = new StringBuilder(256); 10193 } else { 10194 r.append(' '); 10195 } 10196 r.append(p.info.name); 10197 } 10198 } 10199 if (r != null) { 10200 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 10201 } 10202 10203 N = pkg.services.size(); 10204 r = null; 10205 for (i=0; i<N; i++) { 10206 PackageParser.Service s = pkg.services.get(i); 10207 mServices.removeService(s); 10208 if (chatty) { 10209 if (r == null) { 10210 r = new StringBuilder(256); 10211 } else { 10212 r.append(' '); 10213 } 10214 r.append(s.info.name); 10215 } 10216 } 10217 if (r != null) { 10218 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 10219 } 10220 10221 N = pkg.receivers.size(); 10222 r = null; 10223 for (i=0; i<N; i++) { 10224 PackageParser.Activity a = pkg.receivers.get(i); 10225 mReceivers.removeActivity(a, "receiver"); 10226 if (DEBUG_REMOVE && chatty) { 10227 if (r == null) { 10228 r = new StringBuilder(256); 10229 } else { 10230 r.append(' '); 10231 } 10232 r.append(a.info.name); 10233 } 10234 } 10235 if (r != null) { 10236 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 10237 } 10238 10239 N = pkg.activities.size(); 10240 r = null; 10241 for (i=0; i<N; i++) { 10242 PackageParser.Activity a = pkg.activities.get(i); 10243 mActivities.removeActivity(a, "activity"); 10244 if (DEBUG_REMOVE && chatty) { 10245 if (r == null) { 10246 r = new StringBuilder(256); 10247 } else { 10248 r.append(' '); 10249 } 10250 r.append(a.info.name); 10251 } 10252 } 10253 if (r != null) { 10254 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 10255 } 10256 10257 N = pkg.permissions.size(); 10258 r = null; 10259 for (i=0; i<N; i++) { 10260 PackageParser.Permission p = pkg.permissions.get(i); 10261 BasePermission bp = mSettings.mPermissions.get(p.info.name); 10262 if (bp == null) { 10263 bp = mSettings.mPermissionTrees.get(p.info.name); 10264 } 10265 if (bp != null && bp.perm == p) { 10266 bp.perm = null; 10267 if (DEBUG_REMOVE && chatty) { 10268 if (r == null) { 10269 r = new StringBuilder(256); 10270 } else { 10271 r.append(' '); 10272 } 10273 r.append(p.info.name); 10274 } 10275 } 10276 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10277 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 10278 if (appOpPkgs != null) { 10279 appOpPkgs.remove(pkg.packageName); 10280 } 10281 } 10282 } 10283 if (r != null) { 10284 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 10285 } 10286 10287 N = pkg.requestedPermissions.size(); 10288 r = null; 10289 for (i=0; i<N; i++) { 10290 String perm = pkg.requestedPermissions.get(i); 10291 BasePermission bp = mSettings.mPermissions.get(perm); 10292 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10293 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 10294 if (appOpPkgs != null) { 10295 appOpPkgs.remove(pkg.packageName); 10296 if (appOpPkgs.isEmpty()) { 10297 mAppOpPermissionPackages.remove(perm); 10298 } 10299 } 10300 } 10301 } 10302 if (r != null) { 10303 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 10304 } 10305 10306 N = pkg.instrumentation.size(); 10307 r = null; 10308 for (i=0; i<N; i++) { 10309 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10310 mInstrumentation.remove(a.getComponentName()); 10311 if (DEBUG_REMOVE && chatty) { 10312 if (r == null) { 10313 r = new StringBuilder(256); 10314 } else { 10315 r.append(' '); 10316 } 10317 r.append(a.info.name); 10318 } 10319 } 10320 if (r != null) { 10321 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 10322 } 10323 10324 r = null; 10325 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 10326 // Only system apps can hold shared libraries. 10327 if (pkg.libraryNames != null) { 10328 for (i=0; i<pkg.libraryNames.size(); i++) { 10329 String name = pkg.libraryNames.get(i); 10330 SharedLibraryEntry cur = mSharedLibraries.get(name); 10331 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 10332 mSharedLibraries.remove(name); 10333 if (DEBUG_REMOVE && chatty) { 10334 if (r == null) { 10335 r = new StringBuilder(256); 10336 } else { 10337 r.append(' '); 10338 } 10339 r.append(name); 10340 } 10341 } 10342 } 10343 } 10344 } 10345 if (r != null) { 10346 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 10347 } 10348 } 10349 10350 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 10351 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 10352 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 10353 return true; 10354 } 10355 } 10356 return false; 10357 } 10358 10359 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 10360 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 10361 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 10362 10363 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 10364 // Update the parent permissions 10365 updatePermissionsLPw(pkg.packageName, pkg, flags); 10366 // Update the child permissions 10367 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10368 for (int i = 0; i < childCount; i++) { 10369 PackageParser.Package childPkg = pkg.childPackages.get(i); 10370 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 10371 } 10372 } 10373 10374 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 10375 int flags) { 10376 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 10377 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 10378 } 10379 10380 private void updatePermissionsLPw(String changingPkg, 10381 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 10382 // Make sure there are no dangling permission trees. 10383 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 10384 while (it.hasNext()) { 10385 final BasePermission bp = it.next(); 10386 if (bp.packageSetting == null) { 10387 // We may not yet have parsed the package, so just see if 10388 // we still know about its settings. 10389 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 10390 } 10391 if (bp.packageSetting == null) { 10392 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 10393 + " from package " + bp.sourcePackage); 10394 it.remove(); 10395 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 10396 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 10397 Slog.i(TAG, "Removing old permission tree: " + bp.name 10398 + " from package " + bp.sourcePackage); 10399 flags |= UPDATE_PERMISSIONS_ALL; 10400 it.remove(); 10401 } 10402 } 10403 } 10404 10405 // Make sure all dynamic permissions have been assigned to a package, 10406 // and make sure there are no dangling permissions. 10407 it = mSettings.mPermissions.values().iterator(); 10408 while (it.hasNext()) { 10409 final BasePermission bp = it.next(); 10410 if (bp.type == BasePermission.TYPE_DYNAMIC) { 10411 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 10412 + bp.name + " pkg=" + bp.sourcePackage 10413 + " info=" + bp.pendingInfo); 10414 if (bp.packageSetting == null && bp.pendingInfo != null) { 10415 final BasePermission tree = findPermissionTreeLP(bp.name); 10416 if (tree != null && tree.perm != null) { 10417 bp.packageSetting = tree.packageSetting; 10418 bp.perm = new PackageParser.Permission(tree.perm.owner, 10419 new PermissionInfo(bp.pendingInfo)); 10420 bp.perm.info.packageName = tree.perm.info.packageName; 10421 bp.perm.info.name = bp.name; 10422 bp.uid = tree.uid; 10423 } 10424 } 10425 } 10426 if (bp.packageSetting == null) { 10427 // We may not yet have parsed the package, so just see if 10428 // we still know about its settings. 10429 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 10430 } 10431 if (bp.packageSetting == null) { 10432 Slog.w(TAG, "Removing dangling permission: " + bp.name 10433 + " from package " + bp.sourcePackage); 10434 it.remove(); 10435 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 10436 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 10437 Slog.i(TAG, "Removing old permission: " + bp.name 10438 + " from package " + bp.sourcePackage); 10439 flags |= UPDATE_PERMISSIONS_ALL; 10440 it.remove(); 10441 } 10442 } 10443 } 10444 10445 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 10446 // Now update the permissions for all packages, in particular 10447 // replace the granted permissions of the system packages. 10448 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 10449 for (PackageParser.Package pkg : mPackages.values()) { 10450 if (pkg != pkgInfo) { 10451 // Only replace for packages on requested volume 10452 final String volumeUuid = getVolumeUuidForPackage(pkg); 10453 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 10454 && Objects.equals(replaceVolumeUuid, volumeUuid); 10455 grantPermissionsLPw(pkg, replace, changingPkg); 10456 } 10457 } 10458 } 10459 10460 if (pkgInfo != null) { 10461 // Only replace for packages on requested volume 10462 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 10463 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 10464 && Objects.equals(replaceVolumeUuid, volumeUuid); 10465 grantPermissionsLPw(pkgInfo, replace, changingPkg); 10466 } 10467 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10468 } 10469 10470 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 10471 String packageOfInterest) { 10472 // IMPORTANT: There are two types of permissions: install and runtime. 10473 // Install time permissions are granted when the app is installed to 10474 // all device users and users added in the future. Runtime permissions 10475 // are granted at runtime explicitly to specific users. Normal and signature 10476 // protected permissions are install time permissions. Dangerous permissions 10477 // are install permissions if the app's target SDK is Lollipop MR1 or older, 10478 // otherwise they are runtime permissions. This function does not manage 10479 // runtime permissions except for the case an app targeting Lollipop MR1 10480 // being upgraded to target a newer SDK, in which case dangerous permissions 10481 // are transformed from install time to runtime ones. 10482 10483 final PackageSetting ps = (PackageSetting) pkg.mExtras; 10484 if (ps == null) { 10485 return; 10486 } 10487 10488 PermissionsState permissionsState = ps.getPermissionsState(); 10489 PermissionsState origPermissions = permissionsState; 10490 10491 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 10492 10493 boolean runtimePermissionsRevoked = false; 10494 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 10495 10496 boolean changedInstallPermission = false; 10497 10498 if (replace) { 10499 ps.installPermissionsFixed = false; 10500 if (!ps.isSharedUser()) { 10501 origPermissions = new PermissionsState(permissionsState); 10502 permissionsState.reset(); 10503 } else { 10504 // We need to know only about runtime permission changes since the 10505 // calling code always writes the install permissions state but 10506 // the runtime ones are written only if changed. The only cases of 10507 // changed runtime permissions here are promotion of an install to 10508 // runtime and revocation of a runtime from a shared user. 10509 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 10510 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10511 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10512 runtimePermissionsRevoked = true; 10513 } 10514 } 10515 } 10516 10517 permissionsState.setGlobalGids(mGlobalGids); 10518 10519 final int N = pkg.requestedPermissions.size(); 10520 for (int i=0; i<N; i++) { 10521 final String name = pkg.requestedPermissions.get(i); 10522 final BasePermission bp = mSettings.mPermissions.get(name); 10523 10524 if (DEBUG_INSTALL) { 10525 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10526 } 10527 10528 if (bp == null || bp.packageSetting == null) { 10529 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10530 Slog.w(TAG, "Unknown permission " + name 10531 + " in package " + pkg.packageName); 10532 } 10533 continue; 10534 } 10535 10536 10537 // Limit ephemeral apps to ephemeral allowed permissions. 10538 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 10539 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 10540 + pkg.packageName); 10541 continue; 10542 } 10543 10544 final String perm = bp.name; 10545 boolean allowedSig = false; 10546 int grant = GRANT_DENIED; 10547 10548 // Keep track of app op permissions. 10549 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10550 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10551 if (pkgs == null) { 10552 pkgs = new ArraySet<>(); 10553 mAppOpPermissionPackages.put(bp.name, pkgs); 10554 } 10555 pkgs.add(pkg.packageName); 10556 } 10557 10558 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10559 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10560 >= Build.VERSION_CODES.M; 10561 switch (level) { 10562 case PermissionInfo.PROTECTION_NORMAL: { 10563 // For all apps normal permissions are install time ones. 10564 grant = GRANT_INSTALL; 10565 } break; 10566 10567 case PermissionInfo.PROTECTION_DANGEROUS: { 10568 // If a permission review is required for legacy apps we represent 10569 // their permissions as always granted runtime ones since we need 10570 // to keep the review required permission flag per user while an 10571 // install permission's state is shared across all users. 10572 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 10573 // For legacy apps dangerous permissions are install time ones. 10574 grant = GRANT_INSTALL; 10575 } else if (origPermissions.hasInstallPermission(bp.name)) { 10576 // For legacy apps that became modern, install becomes runtime. 10577 grant = GRANT_UPGRADE; 10578 } else if (mPromoteSystemApps 10579 && isSystemApp(ps) 10580 && mExistingSystemPackages.contains(ps.name)) { 10581 // For legacy system apps, install becomes runtime. 10582 // We cannot check hasInstallPermission() for system apps since those 10583 // permissions were granted implicitly and not persisted pre-M. 10584 grant = GRANT_UPGRADE; 10585 } else { 10586 // For modern apps keep runtime permissions unchanged. 10587 grant = GRANT_RUNTIME; 10588 } 10589 } break; 10590 10591 case PermissionInfo.PROTECTION_SIGNATURE: { 10592 // For all apps signature permissions are install time ones. 10593 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10594 if (allowedSig) { 10595 grant = GRANT_INSTALL; 10596 } 10597 } break; 10598 } 10599 10600 if (DEBUG_INSTALL) { 10601 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10602 } 10603 10604 if (grant != GRANT_DENIED) { 10605 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10606 // If this is an existing, non-system package, then 10607 // we can't add any new permissions to it. 10608 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10609 // Except... if this is a permission that was added 10610 // to the platform (note: need to only do this when 10611 // updating the platform). 10612 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10613 grant = GRANT_DENIED; 10614 } 10615 } 10616 } 10617 10618 switch (grant) { 10619 case GRANT_INSTALL: { 10620 // Revoke this as runtime permission to handle the case of 10621 // a runtime permission being downgraded to an install one. 10622 // Also in permission review mode we keep dangerous permissions 10623 // for legacy apps 10624 for (int userId : UserManagerService.getInstance().getUserIds()) { 10625 if (origPermissions.getRuntimePermissionState( 10626 bp.name, userId) != null) { 10627 // Revoke the runtime permission and clear the flags. 10628 origPermissions.revokeRuntimePermission(bp, userId); 10629 origPermissions.updatePermissionFlags(bp, userId, 10630 PackageManager.MASK_PERMISSION_FLAGS, 0); 10631 // If we revoked a permission permission, we have to write. 10632 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10633 changedRuntimePermissionUserIds, userId); 10634 } 10635 } 10636 // Grant an install permission. 10637 if (permissionsState.grantInstallPermission(bp) != 10638 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10639 changedInstallPermission = true; 10640 } 10641 } break; 10642 10643 case GRANT_RUNTIME: { 10644 // Grant previously granted runtime permissions. 10645 for (int userId : UserManagerService.getInstance().getUserIds()) { 10646 PermissionState permissionState = origPermissions 10647 .getRuntimePermissionState(bp.name, userId); 10648 int flags = permissionState != null 10649 ? permissionState.getFlags() : 0; 10650 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10651 // Don't propagate the permission in a permission review mode if 10652 // the former was revoked, i.e. marked to not propagate on upgrade. 10653 // Note that in a permission review mode install permissions are 10654 // represented as constantly granted runtime ones since we need to 10655 // keep a per user state associated with the permission. Also the 10656 // revoke on upgrade flag is no longer applicable and is reset. 10657 final boolean revokeOnUpgrade = (flags & PackageManager 10658 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 10659 if (revokeOnUpgrade) { 10660 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 10661 // Since we changed the flags, we have to write. 10662 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10663 changedRuntimePermissionUserIds, userId); 10664 } 10665 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 10666 if (permissionsState.grantRuntimePermission(bp, userId) == 10667 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10668 // If we cannot put the permission as it was, 10669 // we have to write. 10670 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10671 changedRuntimePermissionUserIds, userId); 10672 } 10673 } 10674 10675 // If the app supports runtime permissions no need for a review. 10676 if (mPermissionReviewRequired 10677 && appSupportsRuntimePermissions 10678 && (flags & PackageManager 10679 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10680 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10681 // Since we changed the flags, we have to write. 10682 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10683 changedRuntimePermissionUserIds, userId); 10684 } 10685 } else if (mPermissionReviewRequired 10686 && !appSupportsRuntimePermissions) { 10687 // For legacy apps that need a permission review, every new 10688 // runtime permission is granted but it is pending a review. 10689 // We also need to review only platform defined runtime 10690 // permissions as these are the only ones the platform knows 10691 // how to disable the API to simulate revocation as legacy 10692 // apps don't expect to run with revoked permissions. 10693 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10694 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10695 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10696 // We changed the flags, hence have to write. 10697 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10698 changedRuntimePermissionUserIds, userId); 10699 } 10700 } 10701 if (permissionsState.grantRuntimePermission(bp, userId) 10702 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10703 // We changed the permission, hence have to write. 10704 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10705 changedRuntimePermissionUserIds, userId); 10706 } 10707 } 10708 // Propagate the permission flags. 10709 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10710 } 10711 } break; 10712 10713 case GRANT_UPGRADE: { 10714 // Grant runtime permissions for a previously held install permission. 10715 PermissionState permissionState = origPermissions 10716 .getInstallPermissionState(bp.name); 10717 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10718 10719 if (origPermissions.revokeInstallPermission(bp) 10720 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10721 // We will be transferring the permission flags, so clear them. 10722 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10723 PackageManager.MASK_PERMISSION_FLAGS, 0); 10724 changedInstallPermission = true; 10725 } 10726 10727 // If the permission is not to be promoted to runtime we ignore it and 10728 // also its other flags as they are not applicable to install permissions. 10729 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10730 for (int userId : currentUserIds) { 10731 if (permissionsState.grantRuntimePermission(bp, userId) != 10732 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10733 // Transfer the permission flags. 10734 permissionsState.updatePermissionFlags(bp, userId, 10735 flags, flags); 10736 // If we granted the permission, we have to write. 10737 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10738 changedRuntimePermissionUserIds, userId); 10739 } 10740 } 10741 } 10742 } break; 10743 10744 default: { 10745 if (packageOfInterest == null 10746 || packageOfInterest.equals(pkg.packageName)) { 10747 Slog.w(TAG, "Not granting permission " + perm 10748 + " to package " + pkg.packageName 10749 + " because it was previously installed without"); 10750 } 10751 } break; 10752 } 10753 } else { 10754 if (permissionsState.revokeInstallPermission(bp) != 10755 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10756 // Also drop the permission flags. 10757 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10758 PackageManager.MASK_PERMISSION_FLAGS, 0); 10759 changedInstallPermission = true; 10760 Slog.i(TAG, "Un-granting permission " + perm 10761 + " from package " + pkg.packageName 10762 + " (protectionLevel=" + bp.protectionLevel 10763 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10764 + ")"); 10765 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10766 // Don't print warning for app op permissions, since it is fine for them 10767 // not to be granted, there is a UI for the user to decide. 10768 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10769 Slog.w(TAG, "Not granting permission " + perm 10770 + " to package " + pkg.packageName 10771 + " (protectionLevel=" + bp.protectionLevel 10772 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10773 + ")"); 10774 } 10775 } 10776 } 10777 } 10778 10779 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10780 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10781 // This is the first that we have heard about this package, so the 10782 // permissions we have now selected are fixed until explicitly 10783 // changed. 10784 ps.installPermissionsFixed = true; 10785 } 10786 10787 // Persist the runtime permissions state for users with changes. If permissions 10788 // were revoked because no app in the shared user declares them we have to 10789 // write synchronously to avoid losing runtime permissions state. 10790 for (int userId : changedRuntimePermissionUserIds) { 10791 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10792 } 10793 } 10794 10795 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10796 boolean allowed = false; 10797 final int NP = PackageParser.NEW_PERMISSIONS.length; 10798 for (int ip=0; ip<NP; ip++) { 10799 final PackageParser.NewPermissionInfo npi 10800 = PackageParser.NEW_PERMISSIONS[ip]; 10801 if (npi.name.equals(perm) 10802 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10803 allowed = true; 10804 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10805 + pkg.packageName); 10806 break; 10807 } 10808 } 10809 return allowed; 10810 } 10811 10812 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10813 BasePermission bp, PermissionsState origPermissions) { 10814 boolean privilegedPermission = (bp.protectionLevel 10815 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 10816 boolean privappPermissionsDisable = 10817 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 10818 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 10819 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 10820 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 10821 && !platformPackage && platformPermission) { 10822 ArraySet<String> wlPermissions = SystemConfig.getInstance() 10823 .getPrivAppPermissions(pkg.packageName); 10824 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 10825 if (!whitelisted) { 10826 Slog.w(TAG, "Privileged permission " + perm + " for package " 10827 + pkg.packageName + " - not in privapp-permissions whitelist"); 10828 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 10829 return false; 10830 } 10831 } 10832 } 10833 boolean allowed = (compareSignatures( 10834 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10835 == PackageManager.SIGNATURE_MATCH) 10836 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10837 == PackageManager.SIGNATURE_MATCH); 10838 if (!allowed && privilegedPermission) { 10839 if (isSystemApp(pkg)) { 10840 // For updated system applications, a system permission 10841 // is granted only if it had been defined by the original application. 10842 if (pkg.isUpdatedSystemApp()) { 10843 final PackageSetting sysPs = mSettings 10844 .getDisabledSystemPkgLPr(pkg.packageName); 10845 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10846 // If the original was granted this permission, we take 10847 // that grant decision as read and propagate it to the 10848 // update. 10849 if (sysPs.isPrivileged()) { 10850 allowed = true; 10851 } 10852 } else { 10853 // The system apk may have been updated with an older 10854 // version of the one on the data partition, but which 10855 // granted a new system permission that it didn't have 10856 // before. In this case we do want to allow the app to 10857 // now get the new permission if the ancestral apk is 10858 // privileged to get it. 10859 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10860 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10861 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10862 allowed = true; 10863 break; 10864 } 10865 } 10866 } 10867 // Also if a privileged parent package on the system image or any of 10868 // its children requested a privileged permission, the updated child 10869 // packages can also get the permission. 10870 if (pkg.parentPackage != null) { 10871 final PackageSetting disabledSysParentPs = mSettings 10872 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10873 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10874 && disabledSysParentPs.isPrivileged()) { 10875 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10876 allowed = true; 10877 } else if (disabledSysParentPs.pkg.childPackages != null) { 10878 final int count = disabledSysParentPs.pkg.childPackages.size(); 10879 for (int i = 0; i < count; i++) { 10880 PackageParser.Package disabledSysChildPkg = 10881 disabledSysParentPs.pkg.childPackages.get(i); 10882 if (isPackageRequestingPermission(disabledSysChildPkg, 10883 perm)) { 10884 allowed = true; 10885 break; 10886 } 10887 } 10888 } 10889 } 10890 } 10891 } 10892 } else { 10893 allowed = isPrivilegedApp(pkg); 10894 } 10895 } 10896 } 10897 if (!allowed) { 10898 if (!allowed && (bp.protectionLevel 10899 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10900 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10901 // If this was a previously normal/dangerous permission that got moved 10902 // to a system permission as part of the runtime permission redesign, then 10903 // we still want to blindly grant it to old apps. 10904 allowed = true; 10905 } 10906 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10907 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10908 // If this permission is to be granted to the system installer and 10909 // this app is an installer, then it gets the permission. 10910 allowed = true; 10911 } 10912 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10913 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10914 // If this permission is to be granted to the system verifier and 10915 // this app is a verifier, then it gets the permission. 10916 allowed = true; 10917 } 10918 if (!allowed && (bp.protectionLevel 10919 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10920 && isSystemApp(pkg)) { 10921 // Any pre-installed system app is allowed to get this permission. 10922 allowed = true; 10923 } 10924 if (!allowed && (bp.protectionLevel 10925 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10926 // For development permissions, a development permission 10927 // is granted only if it was already granted. 10928 allowed = origPermissions.hasInstallPermission(perm); 10929 } 10930 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10931 && pkg.packageName.equals(mSetupWizardPackage)) { 10932 // If this permission is to be granted to the system setup wizard and 10933 // this app is a setup wizard, then it gets the permission. 10934 allowed = true; 10935 } 10936 } 10937 return allowed; 10938 } 10939 10940 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10941 final int permCount = pkg.requestedPermissions.size(); 10942 for (int j = 0; j < permCount; j++) { 10943 String requestedPermission = pkg.requestedPermissions.get(j); 10944 if (permission.equals(requestedPermission)) { 10945 return true; 10946 } 10947 } 10948 return false; 10949 } 10950 10951 final class ActivityIntentResolver 10952 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10953 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10954 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 10955 if (!sUserManager.exists(userId)) return null; 10956 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0) 10957 | (visibleToEphemeral ? PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY : 0) 10958 | (isEphemeral ? PackageManager.MATCH_EPHEMERAL : 0); 10959 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 10960 isEphemeral, userId); 10961 } 10962 10963 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10964 int userId) { 10965 if (!sUserManager.exists(userId)) return null; 10966 mFlags = flags; 10967 return super.queryIntent(intent, resolvedType, 10968 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 10969 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 10970 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 10971 } 10972 10973 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10974 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10975 if (!sUserManager.exists(userId)) return null; 10976 if (packageActivities == null) { 10977 return null; 10978 } 10979 mFlags = flags; 10980 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10981 final boolean vislbleToEphemeral = 10982 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 10983 final boolean isEphemeral = (flags & PackageManager.MATCH_EPHEMERAL) != 0; 10984 final int N = packageActivities.size(); 10985 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10986 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10987 10988 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10989 for (int i = 0; i < N; ++i) { 10990 intentFilters = packageActivities.get(i).intents; 10991 if (intentFilters != null && intentFilters.size() > 0) { 10992 PackageParser.ActivityIntentInfo[] array = 10993 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10994 intentFilters.toArray(array); 10995 listCut.add(array); 10996 } 10997 } 10998 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 10999 vislbleToEphemeral, isEphemeral, listCut, userId); 11000 } 11001 11002 /** 11003 * Finds a privileged activity that matches the specified activity names. 11004 */ 11005 private PackageParser.Activity findMatchingActivity( 11006 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11007 for (PackageParser.Activity sysActivity : activityList) { 11008 if (sysActivity.info.name.equals(activityInfo.name)) { 11009 return sysActivity; 11010 } 11011 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11012 return sysActivity; 11013 } 11014 if (sysActivity.info.targetActivity != null) { 11015 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11016 return sysActivity; 11017 } 11018 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11019 return sysActivity; 11020 } 11021 } 11022 } 11023 return null; 11024 } 11025 11026 public class IterGenerator<E> { 11027 public Iterator<E> generate(ActivityIntentInfo info) { 11028 return null; 11029 } 11030 } 11031 11032 public class ActionIterGenerator extends IterGenerator<String> { 11033 @Override 11034 public Iterator<String> generate(ActivityIntentInfo info) { 11035 return info.actionsIterator(); 11036 } 11037 } 11038 11039 public class CategoriesIterGenerator extends IterGenerator<String> { 11040 @Override 11041 public Iterator<String> generate(ActivityIntentInfo info) { 11042 return info.categoriesIterator(); 11043 } 11044 } 11045 11046 public class SchemesIterGenerator extends IterGenerator<String> { 11047 @Override 11048 public Iterator<String> generate(ActivityIntentInfo info) { 11049 return info.schemesIterator(); 11050 } 11051 } 11052 11053 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11054 @Override 11055 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11056 return info.authoritiesIterator(); 11057 } 11058 } 11059 11060 /** 11061 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11062 * MODIFIED. Do not pass in a list that should not be changed. 11063 */ 11064 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11065 IterGenerator<T> generator, Iterator<T> searchIterator) { 11066 // loop through the set of actions; every one must be found in the intent filter 11067 while (searchIterator.hasNext()) { 11068 // we must have at least one filter in the list to consider a match 11069 if (intentList.size() == 0) { 11070 break; 11071 } 11072 11073 final T searchAction = searchIterator.next(); 11074 11075 // loop through the set of intent filters 11076 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11077 while (intentIter.hasNext()) { 11078 final ActivityIntentInfo intentInfo = intentIter.next(); 11079 boolean selectionFound = false; 11080 11081 // loop through the intent filter's selection criteria; at least one 11082 // of them must match the searched criteria 11083 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11084 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11085 final T intentSelection = intentSelectionIter.next(); 11086 if (intentSelection != null && intentSelection.equals(searchAction)) { 11087 selectionFound = true; 11088 break; 11089 } 11090 } 11091 11092 // the selection criteria wasn't found in this filter's set; this filter 11093 // is not a potential match 11094 if (!selectionFound) { 11095 intentIter.remove(); 11096 } 11097 } 11098 } 11099 } 11100 11101 private boolean isProtectedAction(ActivityIntentInfo filter) { 11102 final Iterator<String> actionsIter = filter.actionsIterator(); 11103 while (actionsIter != null && actionsIter.hasNext()) { 11104 final String filterAction = actionsIter.next(); 11105 if (PROTECTED_ACTIONS.contains(filterAction)) { 11106 return true; 11107 } 11108 } 11109 return false; 11110 } 11111 11112 /** 11113 * Adjusts the priority of the given intent filter according to policy. 11114 * <p> 11115 * <ul> 11116 * <li>The priority for non privileged applications is capped to '0'</li> 11117 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 11118 * <li>The priority for unbundled updates to privileged applications is capped to the 11119 * priority defined on the system partition</li> 11120 * </ul> 11121 * <p> 11122 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 11123 * allowed to obtain any priority on any action. 11124 */ 11125 private void adjustPriority( 11126 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 11127 // nothing to do; priority is fine as-is 11128 if (intent.getPriority() <= 0) { 11129 return; 11130 } 11131 11132 final ActivityInfo activityInfo = intent.activity.info; 11133 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 11134 11135 final boolean privilegedApp = 11136 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 11137 if (!privilegedApp) { 11138 // non-privileged applications can never define a priority >0 11139 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 11140 + " package: " + applicationInfo.packageName 11141 + " activity: " + intent.activity.className 11142 + " origPrio: " + intent.getPriority()); 11143 intent.setPriority(0); 11144 return; 11145 } 11146 11147 if (systemActivities == null) { 11148 // the system package is not disabled; we're parsing the system partition 11149 if (isProtectedAction(intent)) { 11150 if (mDeferProtectedFilters) { 11151 // We can't deal with these just yet. No component should ever obtain a 11152 // >0 priority for a protected actions, with ONE exception -- the setup 11153 // wizard. The setup wizard, however, cannot be known until we're able to 11154 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 11155 // until all intent filters have been processed. Chicken, meet egg. 11156 // Let the filter temporarily have a high priority and rectify the 11157 // priorities after all system packages have been scanned. 11158 mProtectedFilters.add(intent); 11159 if (DEBUG_FILTERS) { 11160 Slog.i(TAG, "Protected action; save for later;" 11161 + " package: " + applicationInfo.packageName 11162 + " activity: " + intent.activity.className 11163 + " origPrio: " + intent.getPriority()); 11164 } 11165 return; 11166 } else { 11167 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 11168 Slog.i(TAG, "No setup wizard;" 11169 + " All protected intents capped to priority 0"); 11170 } 11171 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 11172 if (DEBUG_FILTERS) { 11173 Slog.i(TAG, "Found setup wizard;" 11174 + " allow priority " + intent.getPriority() + ";" 11175 + " package: " + intent.activity.info.packageName 11176 + " activity: " + intent.activity.className 11177 + " priority: " + intent.getPriority()); 11178 } 11179 // setup wizard gets whatever it wants 11180 return; 11181 } 11182 Slog.w(TAG, "Protected action; cap priority to 0;" 11183 + " package: " + intent.activity.info.packageName 11184 + " activity: " + intent.activity.className 11185 + " origPrio: " + intent.getPriority()); 11186 intent.setPriority(0); 11187 return; 11188 } 11189 } 11190 // privileged apps on the system image get whatever priority they request 11191 return; 11192 } 11193 11194 // privileged app unbundled update ... try to find the same activity 11195 final PackageParser.Activity foundActivity = 11196 findMatchingActivity(systemActivities, activityInfo); 11197 if (foundActivity == null) { 11198 // this is a new activity; it cannot obtain >0 priority 11199 if (DEBUG_FILTERS) { 11200 Slog.i(TAG, "New activity; cap priority to 0;" 11201 + " package: " + applicationInfo.packageName 11202 + " activity: " + intent.activity.className 11203 + " origPrio: " + intent.getPriority()); 11204 } 11205 intent.setPriority(0); 11206 return; 11207 } 11208 11209 // found activity, now check for filter equivalence 11210 11211 // a shallow copy is enough; we modify the list, not its contents 11212 final List<ActivityIntentInfo> intentListCopy = 11213 new ArrayList<>(foundActivity.intents); 11214 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 11215 11216 // find matching action subsets 11217 final Iterator<String> actionsIterator = intent.actionsIterator(); 11218 if (actionsIterator != null) { 11219 getIntentListSubset( 11220 intentListCopy, new ActionIterGenerator(), actionsIterator); 11221 if (intentListCopy.size() == 0) { 11222 // no more intents to match; we're not equivalent 11223 if (DEBUG_FILTERS) { 11224 Slog.i(TAG, "Mismatched action; cap priority to 0;" 11225 + " package: " + applicationInfo.packageName 11226 + " activity: " + intent.activity.className 11227 + " origPrio: " + intent.getPriority()); 11228 } 11229 intent.setPriority(0); 11230 return; 11231 } 11232 } 11233 11234 // find matching category subsets 11235 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 11236 if (categoriesIterator != null) { 11237 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 11238 categoriesIterator); 11239 if (intentListCopy.size() == 0) { 11240 // no more intents to match; we're not equivalent 11241 if (DEBUG_FILTERS) { 11242 Slog.i(TAG, "Mismatched category; cap priority to 0;" 11243 + " package: " + applicationInfo.packageName 11244 + " activity: " + intent.activity.className 11245 + " origPrio: " + intent.getPriority()); 11246 } 11247 intent.setPriority(0); 11248 return; 11249 } 11250 } 11251 11252 // find matching schemes subsets 11253 final Iterator<String> schemesIterator = intent.schemesIterator(); 11254 if (schemesIterator != null) { 11255 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 11256 schemesIterator); 11257 if (intentListCopy.size() == 0) { 11258 // no more intents to match; we're not equivalent 11259 if (DEBUG_FILTERS) { 11260 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 11261 + " package: " + applicationInfo.packageName 11262 + " activity: " + intent.activity.className 11263 + " origPrio: " + intent.getPriority()); 11264 } 11265 intent.setPriority(0); 11266 return; 11267 } 11268 } 11269 11270 // find matching authorities subsets 11271 final Iterator<IntentFilter.AuthorityEntry> 11272 authoritiesIterator = intent.authoritiesIterator(); 11273 if (authoritiesIterator != null) { 11274 getIntentListSubset(intentListCopy, 11275 new AuthoritiesIterGenerator(), 11276 authoritiesIterator); 11277 if (intentListCopy.size() == 0) { 11278 // no more intents to match; we're not equivalent 11279 if (DEBUG_FILTERS) { 11280 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 11281 + " package: " + applicationInfo.packageName 11282 + " activity: " + intent.activity.className 11283 + " origPrio: " + intent.getPriority()); 11284 } 11285 intent.setPriority(0); 11286 return; 11287 } 11288 } 11289 11290 // we found matching filter(s); app gets the max priority of all intents 11291 int cappedPriority = 0; 11292 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 11293 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 11294 } 11295 if (intent.getPriority() > cappedPriority) { 11296 if (DEBUG_FILTERS) { 11297 Slog.i(TAG, "Found matching filter(s);" 11298 + " cap priority to " + cappedPriority + ";" 11299 + " package: " + applicationInfo.packageName 11300 + " activity: " + intent.activity.className 11301 + " origPrio: " + intent.getPriority()); 11302 } 11303 intent.setPriority(cappedPriority); 11304 return; 11305 } 11306 // all this for nothing; the requested priority was <= what was on the system 11307 } 11308 11309 public final void addActivity(PackageParser.Activity a, String type) { 11310 mActivities.put(a.getComponentName(), a); 11311 if (DEBUG_SHOW_INFO) 11312 Log.v( 11313 TAG, " " + type + " " + 11314 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 11315 if (DEBUG_SHOW_INFO) 11316 Log.v(TAG, " Class=" + a.info.name); 11317 final int NI = a.intents.size(); 11318 for (int j=0; j<NI; j++) { 11319 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 11320 if ("activity".equals(type)) { 11321 final PackageSetting ps = 11322 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 11323 final List<PackageParser.Activity> systemActivities = 11324 ps != null && ps.pkg != null ? ps.pkg.activities : null; 11325 adjustPriority(systemActivities, intent); 11326 } 11327 if (DEBUG_SHOW_INFO) { 11328 Log.v(TAG, " IntentFilter:"); 11329 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11330 } 11331 if (!intent.debugCheck()) { 11332 Log.w(TAG, "==> For Activity " + a.info.name); 11333 } 11334 addFilter(intent); 11335 } 11336 } 11337 11338 public final void removeActivity(PackageParser.Activity a, String type) { 11339 mActivities.remove(a.getComponentName()); 11340 if (DEBUG_SHOW_INFO) { 11341 Log.v(TAG, " " + type + " " 11342 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 11343 : a.info.name) + ":"); 11344 Log.v(TAG, " Class=" + a.info.name); 11345 } 11346 final int NI = a.intents.size(); 11347 for (int j=0; j<NI; j++) { 11348 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 11349 if (DEBUG_SHOW_INFO) { 11350 Log.v(TAG, " IntentFilter:"); 11351 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11352 } 11353 removeFilter(intent); 11354 } 11355 } 11356 11357 @Override 11358 protected boolean allowFilterResult( 11359 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 11360 ActivityInfo filterAi = filter.activity.info; 11361 for (int i=dest.size()-1; i>=0; i--) { 11362 ActivityInfo destAi = dest.get(i).activityInfo; 11363 if (destAi.name == filterAi.name 11364 && destAi.packageName == filterAi.packageName) { 11365 return false; 11366 } 11367 } 11368 return true; 11369 } 11370 11371 @Override 11372 protected ActivityIntentInfo[] newArray(int size) { 11373 return new ActivityIntentInfo[size]; 11374 } 11375 11376 @Override 11377 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 11378 if (!sUserManager.exists(userId)) return true; 11379 PackageParser.Package p = filter.activity.owner; 11380 if (p != null) { 11381 PackageSetting ps = (PackageSetting)p.mExtras; 11382 if (ps != null) { 11383 // System apps are never considered stopped for purposes of 11384 // filtering, because there may be no way for the user to 11385 // actually re-launch them. 11386 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 11387 && ps.getStopped(userId); 11388 } 11389 } 11390 return false; 11391 } 11392 11393 @Override 11394 protected boolean isPackageForFilter(String packageName, 11395 PackageParser.ActivityIntentInfo info) { 11396 return packageName.equals(info.activity.owner.packageName); 11397 } 11398 11399 @Override 11400 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 11401 int match, int userId) { 11402 if (!sUserManager.exists(userId)) return null; 11403 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 11404 return null; 11405 } 11406 final PackageParser.Activity activity = info.activity; 11407 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 11408 if (ps == null) { 11409 return null; 11410 } 11411 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 11412 ps.readUserState(userId), userId); 11413 if (ai == null) { 11414 return null; 11415 } 11416 final ResolveInfo res = new ResolveInfo(); 11417 res.activityInfo = ai; 11418 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11419 res.filter = info; 11420 } 11421 if (info != null) { 11422 res.handleAllWebDataURI = info.handleAllWebDataURI(); 11423 } 11424 res.priority = info.getPriority(); 11425 res.preferredOrder = activity.owner.mPreferredOrder; 11426 //System.out.println("Result: " + res.activityInfo.className + 11427 // " = " + res.priority); 11428 res.match = match; 11429 res.isDefault = info.hasDefault; 11430 res.labelRes = info.labelRes; 11431 res.nonLocalizedLabel = info.nonLocalizedLabel; 11432 if (userNeedsBadging(userId)) { 11433 res.noResourceId = true; 11434 } else { 11435 res.icon = info.icon; 11436 } 11437 res.iconResourceId = info.icon; 11438 res.system = res.activityInfo.applicationInfo.isSystemApp(); 11439 return res; 11440 } 11441 11442 @Override 11443 protected void sortResults(List<ResolveInfo> results) { 11444 Collections.sort(results, mResolvePrioritySorter); 11445 } 11446 11447 @Override 11448 protected void dumpFilter(PrintWriter out, String prefix, 11449 PackageParser.ActivityIntentInfo filter) { 11450 out.print(prefix); out.print( 11451 Integer.toHexString(System.identityHashCode(filter.activity))); 11452 out.print(' '); 11453 filter.activity.printComponentShortName(out); 11454 out.print(" filter "); 11455 out.println(Integer.toHexString(System.identityHashCode(filter))); 11456 } 11457 11458 @Override 11459 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 11460 return filter.activity; 11461 } 11462 11463 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11464 PackageParser.Activity activity = (PackageParser.Activity)label; 11465 out.print(prefix); out.print( 11466 Integer.toHexString(System.identityHashCode(activity))); 11467 out.print(' '); 11468 activity.printComponentShortName(out); 11469 if (count > 1) { 11470 out.print(" ("); out.print(count); out.print(" filters)"); 11471 } 11472 out.println(); 11473 } 11474 11475 // Keys are String (activity class name), values are Activity. 11476 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 11477 = new ArrayMap<ComponentName, PackageParser.Activity>(); 11478 private int mFlags; 11479 } 11480 11481 private final class ServiceIntentResolver 11482 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 11483 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11484 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 11485 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11486 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 11487 isEphemeral, userId); 11488 } 11489 11490 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11491 int userId) { 11492 if (!sUserManager.exists(userId)) return null; 11493 mFlags = flags; 11494 return super.queryIntent(intent, resolvedType, 11495 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11496 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 11497 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 11498 } 11499 11500 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11501 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 11502 if (!sUserManager.exists(userId)) return null; 11503 if (packageServices == null) { 11504 return null; 11505 } 11506 mFlags = flags; 11507 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 11508 final boolean vislbleToEphemeral = 11509 (flags&PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 11510 final boolean isEphemeral = (flags&PackageManager.MATCH_EPHEMERAL) != 0; 11511 final int N = packageServices.size(); 11512 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 11513 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 11514 11515 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 11516 for (int i = 0; i < N; ++i) { 11517 intentFilters = packageServices.get(i).intents; 11518 if (intentFilters != null && intentFilters.size() > 0) { 11519 PackageParser.ServiceIntentInfo[] array = 11520 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 11521 intentFilters.toArray(array); 11522 listCut.add(array); 11523 } 11524 } 11525 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 11526 vislbleToEphemeral, isEphemeral, listCut, userId); 11527 } 11528 11529 public final void addService(PackageParser.Service s) { 11530 mServices.put(s.getComponentName(), s); 11531 if (DEBUG_SHOW_INFO) { 11532 Log.v(TAG, " " 11533 + (s.info.nonLocalizedLabel != null 11534 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11535 Log.v(TAG, " Class=" + s.info.name); 11536 } 11537 final int NI = s.intents.size(); 11538 int j; 11539 for (j=0; j<NI; j++) { 11540 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11541 if (DEBUG_SHOW_INFO) { 11542 Log.v(TAG, " IntentFilter:"); 11543 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11544 } 11545 if (!intent.debugCheck()) { 11546 Log.w(TAG, "==> For Service " + s.info.name); 11547 } 11548 addFilter(intent); 11549 } 11550 } 11551 11552 public final void removeService(PackageParser.Service s) { 11553 mServices.remove(s.getComponentName()); 11554 if (DEBUG_SHOW_INFO) { 11555 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 11556 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11557 Log.v(TAG, " Class=" + s.info.name); 11558 } 11559 final int NI = s.intents.size(); 11560 int j; 11561 for (j=0; j<NI; j++) { 11562 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11563 if (DEBUG_SHOW_INFO) { 11564 Log.v(TAG, " IntentFilter:"); 11565 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11566 } 11567 removeFilter(intent); 11568 } 11569 } 11570 11571 @Override 11572 protected boolean allowFilterResult( 11573 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11574 ServiceInfo filterSi = filter.service.info; 11575 for (int i=dest.size()-1; i>=0; i--) { 11576 ServiceInfo destAi = dest.get(i).serviceInfo; 11577 if (destAi.name == filterSi.name 11578 && destAi.packageName == filterSi.packageName) { 11579 return false; 11580 } 11581 } 11582 return true; 11583 } 11584 11585 @Override 11586 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11587 return new PackageParser.ServiceIntentInfo[size]; 11588 } 11589 11590 @Override 11591 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11592 if (!sUserManager.exists(userId)) return true; 11593 PackageParser.Package p = filter.service.owner; 11594 if (p != null) { 11595 PackageSetting ps = (PackageSetting)p.mExtras; 11596 if (ps != null) { 11597 // System apps are never considered stopped for purposes of 11598 // filtering, because there may be no way for the user to 11599 // actually re-launch them. 11600 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11601 && ps.getStopped(userId); 11602 } 11603 } 11604 return false; 11605 } 11606 11607 @Override 11608 protected boolean isPackageForFilter(String packageName, 11609 PackageParser.ServiceIntentInfo info) { 11610 return packageName.equals(info.service.owner.packageName); 11611 } 11612 11613 @Override 11614 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11615 int match, int userId) { 11616 if (!sUserManager.exists(userId)) return null; 11617 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11618 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11619 return null; 11620 } 11621 final PackageParser.Service service = info.service; 11622 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11623 if (ps == null) { 11624 return null; 11625 } 11626 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11627 ps.readUserState(userId), userId); 11628 if (si == null) { 11629 return null; 11630 } 11631 final ResolveInfo res = new ResolveInfo(); 11632 res.serviceInfo = si; 11633 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11634 res.filter = filter; 11635 } 11636 res.priority = info.getPriority(); 11637 res.preferredOrder = service.owner.mPreferredOrder; 11638 res.match = match; 11639 res.isDefault = info.hasDefault; 11640 res.labelRes = info.labelRes; 11641 res.nonLocalizedLabel = info.nonLocalizedLabel; 11642 res.icon = info.icon; 11643 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11644 return res; 11645 } 11646 11647 @Override 11648 protected void sortResults(List<ResolveInfo> results) { 11649 Collections.sort(results, mResolvePrioritySorter); 11650 } 11651 11652 @Override 11653 protected void dumpFilter(PrintWriter out, String prefix, 11654 PackageParser.ServiceIntentInfo filter) { 11655 out.print(prefix); out.print( 11656 Integer.toHexString(System.identityHashCode(filter.service))); 11657 out.print(' '); 11658 filter.service.printComponentShortName(out); 11659 out.print(" filter "); 11660 out.println(Integer.toHexString(System.identityHashCode(filter))); 11661 } 11662 11663 @Override 11664 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11665 return filter.service; 11666 } 11667 11668 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11669 PackageParser.Service service = (PackageParser.Service)label; 11670 out.print(prefix); out.print( 11671 Integer.toHexString(System.identityHashCode(service))); 11672 out.print(' '); 11673 service.printComponentShortName(out); 11674 if (count > 1) { 11675 out.print(" ("); out.print(count); out.print(" filters)"); 11676 } 11677 out.println(); 11678 } 11679 11680// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11681// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11682// final List<ResolveInfo> retList = Lists.newArrayList(); 11683// while (i.hasNext()) { 11684// final ResolveInfo resolveInfo = (ResolveInfo) i; 11685// if (isEnabledLP(resolveInfo.serviceInfo)) { 11686// retList.add(resolveInfo); 11687// } 11688// } 11689// return retList; 11690// } 11691 11692 // Keys are String (activity class name), values are Activity. 11693 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11694 = new ArrayMap<ComponentName, PackageParser.Service>(); 11695 private int mFlags; 11696 } 11697 11698 private final class ProviderIntentResolver 11699 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11700 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11701 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 11702 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11703 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 11704 isEphemeral, userId); 11705 } 11706 11707 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11708 int userId) { 11709 if (!sUserManager.exists(userId)) 11710 return null; 11711 mFlags = flags; 11712 return super.queryIntent(intent, resolvedType, 11713 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11714 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 11715 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 11716 } 11717 11718 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11719 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11720 if (!sUserManager.exists(userId)) 11721 return null; 11722 if (packageProviders == null) { 11723 return null; 11724 } 11725 mFlags = flags; 11726 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11727 final boolean isEphemeral = (flags&PackageManager.MATCH_EPHEMERAL) != 0; 11728 final boolean vislbleToEphemeral = 11729 (flags&PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 11730 final int N = packageProviders.size(); 11731 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11732 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11733 11734 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11735 for (int i = 0; i < N; ++i) { 11736 intentFilters = packageProviders.get(i).intents; 11737 if (intentFilters != null && intentFilters.size() > 0) { 11738 PackageParser.ProviderIntentInfo[] array = 11739 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11740 intentFilters.toArray(array); 11741 listCut.add(array); 11742 } 11743 } 11744 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 11745 vislbleToEphemeral, isEphemeral, listCut, userId); 11746 } 11747 11748 public final void addProvider(PackageParser.Provider p) { 11749 if (mProviders.containsKey(p.getComponentName())) { 11750 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11751 return; 11752 } 11753 11754 mProviders.put(p.getComponentName(), p); 11755 if (DEBUG_SHOW_INFO) { 11756 Log.v(TAG, " " 11757 + (p.info.nonLocalizedLabel != null 11758 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11759 Log.v(TAG, " Class=" + p.info.name); 11760 } 11761 final int NI = p.intents.size(); 11762 int j; 11763 for (j = 0; j < NI; j++) { 11764 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11765 if (DEBUG_SHOW_INFO) { 11766 Log.v(TAG, " IntentFilter:"); 11767 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11768 } 11769 if (!intent.debugCheck()) { 11770 Log.w(TAG, "==> For Provider " + p.info.name); 11771 } 11772 addFilter(intent); 11773 } 11774 } 11775 11776 public final void removeProvider(PackageParser.Provider p) { 11777 mProviders.remove(p.getComponentName()); 11778 if (DEBUG_SHOW_INFO) { 11779 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11780 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11781 Log.v(TAG, " Class=" + p.info.name); 11782 } 11783 final int NI = p.intents.size(); 11784 int j; 11785 for (j = 0; j < NI; j++) { 11786 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11787 if (DEBUG_SHOW_INFO) { 11788 Log.v(TAG, " IntentFilter:"); 11789 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11790 } 11791 removeFilter(intent); 11792 } 11793 } 11794 11795 @Override 11796 protected boolean allowFilterResult( 11797 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11798 ProviderInfo filterPi = filter.provider.info; 11799 for (int i = dest.size() - 1; i >= 0; i--) { 11800 ProviderInfo destPi = dest.get(i).providerInfo; 11801 if (destPi.name == filterPi.name 11802 && destPi.packageName == filterPi.packageName) { 11803 return false; 11804 } 11805 } 11806 return true; 11807 } 11808 11809 @Override 11810 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11811 return new PackageParser.ProviderIntentInfo[size]; 11812 } 11813 11814 @Override 11815 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11816 if (!sUserManager.exists(userId)) 11817 return true; 11818 PackageParser.Package p = filter.provider.owner; 11819 if (p != null) { 11820 PackageSetting ps = (PackageSetting) p.mExtras; 11821 if (ps != null) { 11822 // System apps are never considered stopped for purposes of 11823 // filtering, because there may be no way for the user to 11824 // actually re-launch them. 11825 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11826 && ps.getStopped(userId); 11827 } 11828 } 11829 return false; 11830 } 11831 11832 @Override 11833 protected boolean isPackageForFilter(String packageName, 11834 PackageParser.ProviderIntentInfo info) { 11835 return packageName.equals(info.provider.owner.packageName); 11836 } 11837 11838 @Override 11839 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11840 int match, int userId) { 11841 if (!sUserManager.exists(userId)) 11842 return null; 11843 final PackageParser.ProviderIntentInfo info = filter; 11844 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11845 return null; 11846 } 11847 final PackageParser.Provider provider = info.provider; 11848 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11849 if (ps == null) { 11850 return null; 11851 } 11852 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11853 ps.readUserState(userId), userId); 11854 if (pi == null) { 11855 return null; 11856 } 11857 final ResolveInfo res = new ResolveInfo(); 11858 res.providerInfo = pi; 11859 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11860 res.filter = filter; 11861 } 11862 res.priority = info.getPriority(); 11863 res.preferredOrder = provider.owner.mPreferredOrder; 11864 res.match = match; 11865 res.isDefault = info.hasDefault; 11866 res.labelRes = info.labelRes; 11867 res.nonLocalizedLabel = info.nonLocalizedLabel; 11868 res.icon = info.icon; 11869 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11870 return res; 11871 } 11872 11873 @Override 11874 protected void sortResults(List<ResolveInfo> results) { 11875 Collections.sort(results, mResolvePrioritySorter); 11876 } 11877 11878 @Override 11879 protected void dumpFilter(PrintWriter out, String prefix, 11880 PackageParser.ProviderIntentInfo filter) { 11881 out.print(prefix); 11882 out.print( 11883 Integer.toHexString(System.identityHashCode(filter.provider))); 11884 out.print(' '); 11885 filter.provider.printComponentShortName(out); 11886 out.print(" filter "); 11887 out.println(Integer.toHexString(System.identityHashCode(filter))); 11888 } 11889 11890 @Override 11891 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11892 return filter.provider; 11893 } 11894 11895 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11896 PackageParser.Provider provider = (PackageParser.Provider)label; 11897 out.print(prefix); out.print( 11898 Integer.toHexString(System.identityHashCode(provider))); 11899 out.print(' '); 11900 provider.printComponentShortName(out); 11901 if (count > 1) { 11902 out.print(" ("); out.print(count); out.print(" filters)"); 11903 } 11904 out.println(); 11905 } 11906 11907 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11908 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11909 private int mFlags; 11910 } 11911 11912 static final class EphemeralIntentResolver 11913 extends IntentResolver<EphemeralResponse, EphemeralResponse> { 11914 /** 11915 * The result that has the highest defined order. Ordering applies on a 11916 * per-package basis. Mapping is from package name to Pair of order and 11917 * EphemeralResolveInfo. 11918 * <p> 11919 * NOTE: This is implemented as a field variable for convenience and efficiency. 11920 * By having a field variable, we're able to track filter ordering as soon as 11921 * a non-zero order is defined. Otherwise, multiple loops across the result set 11922 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 11923 * this needs to be contained entirely within {@link #filterResults()}. 11924 */ 11925 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 11926 11927 @Override 11928 protected EphemeralResponse[] newArray(int size) { 11929 return new EphemeralResponse[size]; 11930 } 11931 11932 @Override 11933 protected boolean isPackageForFilter(String packageName, EphemeralResponse responseObj) { 11934 return true; 11935 } 11936 11937 @Override 11938 protected EphemeralResponse newResult(EphemeralResponse responseObj, int match, 11939 int userId) { 11940 if (!sUserManager.exists(userId)) { 11941 return null; 11942 } 11943 final String packageName = responseObj.resolveInfo.getPackageName(); 11944 final Integer order = responseObj.getOrder(); 11945 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 11946 mOrderResult.get(packageName); 11947 // ordering is enabled and this item's order isn't high enough 11948 if (lastOrderResult != null && lastOrderResult.first >= order) { 11949 return null; 11950 } 11951 final EphemeralResolveInfo res = responseObj.resolveInfo; 11952 if (order > 0) { 11953 // non-zero order, enable ordering 11954 mOrderResult.put(packageName, new Pair<>(order, res)); 11955 } 11956 return responseObj; 11957 } 11958 11959 @Override 11960 protected void filterResults(List<EphemeralResponse> results) { 11961 // only do work if ordering is enabled [most of the time it won't be] 11962 if (mOrderResult.size() == 0) { 11963 return; 11964 } 11965 int resultSize = results.size(); 11966 for (int i = 0; i < resultSize; i++) { 11967 final EphemeralResolveInfo info = results.get(i).resolveInfo; 11968 final String packageName = info.getPackageName(); 11969 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 11970 if (savedInfo == null) { 11971 // package doesn't having ordering 11972 continue; 11973 } 11974 if (savedInfo.second == info) { 11975 // circled back to the highest ordered item; remove from order list 11976 mOrderResult.remove(savedInfo); 11977 if (mOrderResult.size() == 0) { 11978 // no more ordered items 11979 break; 11980 } 11981 continue; 11982 } 11983 // item has a worse order, remove it from the result list 11984 results.remove(i); 11985 resultSize--; 11986 i--; 11987 } 11988 } 11989 } 11990 11991 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11992 new Comparator<ResolveInfo>() { 11993 public int compare(ResolveInfo r1, ResolveInfo r2) { 11994 int v1 = r1.priority; 11995 int v2 = r2.priority; 11996 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11997 if (v1 != v2) { 11998 return (v1 > v2) ? -1 : 1; 11999 } 12000 v1 = r1.preferredOrder; 12001 v2 = r2.preferredOrder; 12002 if (v1 != v2) { 12003 return (v1 > v2) ? -1 : 1; 12004 } 12005 if (r1.isDefault != r2.isDefault) { 12006 return r1.isDefault ? -1 : 1; 12007 } 12008 v1 = r1.match; 12009 v2 = r2.match; 12010 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12011 if (v1 != v2) { 12012 return (v1 > v2) ? -1 : 1; 12013 } 12014 if (r1.system != r2.system) { 12015 return r1.system ? -1 : 1; 12016 } 12017 if (r1.activityInfo != null) { 12018 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12019 } 12020 if (r1.serviceInfo != null) { 12021 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12022 } 12023 if (r1.providerInfo != null) { 12024 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12025 } 12026 return 0; 12027 } 12028 }; 12029 12030 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12031 new Comparator<ProviderInfo>() { 12032 public int compare(ProviderInfo p1, ProviderInfo p2) { 12033 final int v1 = p1.initOrder; 12034 final int v2 = p2.initOrder; 12035 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12036 } 12037 }; 12038 12039 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12040 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12041 final int[] userIds) { 12042 mHandler.post(new Runnable() { 12043 @Override 12044 public void run() { 12045 try { 12046 final IActivityManager am = ActivityManager.getService(); 12047 if (am == null) return; 12048 final int[] resolvedUserIds; 12049 if (userIds == null) { 12050 resolvedUserIds = am.getRunningUserIds(); 12051 } else { 12052 resolvedUserIds = userIds; 12053 } 12054 for (int id : resolvedUserIds) { 12055 final Intent intent = new Intent(action, 12056 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12057 if (extras != null) { 12058 intent.putExtras(extras); 12059 } 12060 if (targetPkg != null) { 12061 intent.setPackage(targetPkg); 12062 } 12063 // Modify the UID when posting to other users 12064 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12065 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12066 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12067 intent.putExtra(Intent.EXTRA_UID, uid); 12068 } 12069 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12070 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12071 if (DEBUG_BROADCASTS) { 12072 RuntimeException here = new RuntimeException("here"); 12073 here.fillInStackTrace(); 12074 Slog.d(TAG, "Sending to user " + id + ": " 12075 + intent.toShortString(false, true, false, false) 12076 + " " + intent.getExtras(), here); 12077 } 12078 am.broadcastIntent(null, intent, null, finishedReceiver, 12079 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12080 null, finishedReceiver != null, false, id); 12081 } 12082 } catch (RemoteException ex) { 12083 } 12084 } 12085 }); 12086 } 12087 12088 /** 12089 * Check if the external storage media is available. This is true if there 12090 * is a mounted external storage medium or if the external storage is 12091 * emulated. 12092 */ 12093 private boolean isExternalMediaAvailable() { 12094 return mMediaMounted || Environment.isExternalStorageEmulated(); 12095 } 12096 12097 @Override 12098 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12099 // writer 12100 synchronized (mPackages) { 12101 if (!isExternalMediaAvailable()) { 12102 // If the external storage is no longer mounted at this point, 12103 // the caller may not have been able to delete all of this 12104 // packages files and can not delete any more. Bail. 12105 return null; 12106 } 12107 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 12108 if (lastPackage != null) { 12109 pkgs.remove(lastPackage); 12110 } 12111 if (pkgs.size() > 0) { 12112 return pkgs.get(0); 12113 } 12114 } 12115 return null; 12116 } 12117 12118 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 12119 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 12120 userId, andCode ? 1 : 0, packageName); 12121 if (mSystemReady) { 12122 msg.sendToTarget(); 12123 } else { 12124 if (mPostSystemReadyMessages == null) { 12125 mPostSystemReadyMessages = new ArrayList<>(); 12126 } 12127 mPostSystemReadyMessages.add(msg); 12128 } 12129 } 12130 12131 void startCleaningPackages() { 12132 // reader 12133 if (!isExternalMediaAvailable()) { 12134 return; 12135 } 12136 synchronized (mPackages) { 12137 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 12138 return; 12139 } 12140 } 12141 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 12142 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 12143 IActivityManager am = ActivityManager.getService(); 12144 if (am != null) { 12145 try { 12146 am.startService(null, intent, null, mContext.getOpPackageName(), 12147 UserHandle.USER_SYSTEM); 12148 } catch (RemoteException e) { 12149 } 12150 } 12151 } 12152 12153 @Override 12154 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 12155 int installFlags, String installerPackageName, int userId) { 12156 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 12157 12158 final int callingUid = Binder.getCallingUid(); 12159 enforceCrossUserPermission(callingUid, userId, 12160 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 12161 12162 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12163 try { 12164 if (observer != null) { 12165 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 12166 } 12167 } catch (RemoteException re) { 12168 } 12169 return; 12170 } 12171 12172 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 12173 installFlags |= PackageManager.INSTALL_FROM_ADB; 12174 12175 } else { 12176 // Caller holds INSTALL_PACKAGES permission, so we're less strict 12177 // about installerPackageName. 12178 12179 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 12180 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 12181 } 12182 12183 UserHandle user; 12184 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 12185 user = UserHandle.ALL; 12186 } else { 12187 user = new UserHandle(userId); 12188 } 12189 12190 // Only system components can circumvent runtime permissions when installing. 12191 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 12192 && mContext.checkCallingOrSelfPermission(Manifest.permission 12193 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 12194 throw new SecurityException("You need the " 12195 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 12196 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 12197 } 12198 12199 final File originFile = new File(originPath); 12200 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 12201 12202 final Message msg = mHandler.obtainMessage(INIT_COPY); 12203 final VerificationInfo verificationInfo = new VerificationInfo( 12204 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 12205 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 12206 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 12207 null /*packageAbiOverride*/, null /*grantedPermissions*/, 12208 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 12209 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 12210 msg.obj = params; 12211 12212 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 12213 System.identityHashCode(msg.obj)); 12214 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12215 System.identityHashCode(msg.obj)); 12216 12217 mHandler.sendMessage(msg); 12218 } 12219 12220 void installStage(String packageName, File stagedDir, String stagedCid, 12221 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 12222 String installerPackageName, int installerUid, UserHandle user, 12223 Certificate[][] certificates) { 12224 if (DEBUG_EPHEMERAL) { 12225 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12226 Slog.d(TAG, "Ephemeral install of " + packageName); 12227 } 12228 } 12229 final VerificationInfo verificationInfo = new VerificationInfo( 12230 sessionParams.originatingUri, sessionParams.referrerUri, 12231 sessionParams.originatingUid, installerUid); 12232 12233 final OriginInfo origin; 12234 if (stagedDir != null) { 12235 origin = OriginInfo.fromStagedFile(stagedDir); 12236 } else { 12237 origin = OriginInfo.fromStagedContainer(stagedCid); 12238 } 12239 12240 final Message msg = mHandler.obtainMessage(INIT_COPY); 12241 final InstallParams params = new InstallParams(origin, null, observer, 12242 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 12243 verificationInfo, user, sessionParams.abiOverride, 12244 sessionParams.grantedRuntimePermissions, certificates, sessionParams.installReason); 12245 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 12246 msg.obj = params; 12247 12248 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 12249 System.identityHashCode(msg.obj)); 12250 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12251 System.identityHashCode(msg.obj)); 12252 12253 mHandler.sendMessage(msg); 12254 } 12255 12256 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 12257 int userId) { 12258 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 12259 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 12260 } 12261 12262 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 12263 int appId, int... userIds) { 12264 if (ArrayUtils.isEmpty(userIds)) { 12265 return; 12266 } 12267 Bundle extras = new Bundle(1); 12268 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 12269 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 12270 12271 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 12272 packageName, extras, 0, null, null, userIds); 12273 if (isSystem) { 12274 mHandler.post(() -> { 12275 for (int userId : userIds) { 12276 sendBootCompletedBroadcastToSystemApp(packageName, userId); 12277 } 12278 } 12279 ); 12280 } 12281 } 12282 12283 /** 12284 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 12285 * automatically without needing an explicit launch. 12286 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 12287 */ 12288 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 12289 // If user is not running, the app didn't miss any broadcast 12290 if (!mUserManagerInternal.isUserRunning(userId)) { 12291 return; 12292 } 12293 final IActivityManager am = ActivityManager.getService(); 12294 try { 12295 // Deliver LOCKED_BOOT_COMPLETED first 12296 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 12297 .setPackage(packageName); 12298 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 12299 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 12300 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 12301 12302 // Deliver BOOT_COMPLETED only if user is unlocked 12303 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 12304 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 12305 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 12306 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 12307 } 12308 } catch (RemoteException e) { 12309 throw e.rethrowFromSystemServer(); 12310 } 12311 } 12312 12313 @Override 12314 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 12315 int userId) { 12316 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 12317 PackageSetting pkgSetting; 12318 final int uid = Binder.getCallingUid(); 12319 enforceCrossUserPermission(uid, userId, 12320 true /* requireFullPermission */, true /* checkShell */, 12321 "setApplicationHiddenSetting for user " + userId); 12322 12323 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 12324 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 12325 return false; 12326 } 12327 12328 long callingId = Binder.clearCallingIdentity(); 12329 try { 12330 boolean sendAdded = false; 12331 boolean sendRemoved = false; 12332 // writer 12333 synchronized (mPackages) { 12334 pkgSetting = mSettings.mPackages.get(packageName); 12335 if (pkgSetting == null) { 12336 return false; 12337 } 12338 // Do not allow "android" is being disabled 12339 if ("android".equals(packageName)) { 12340 Slog.w(TAG, "Cannot hide package: android"); 12341 return false; 12342 } 12343 // Only allow protected packages to hide themselves. 12344 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 12345 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12346 Slog.w(TAG, "Not hiding protected package: " + packageName); 12347 return false; 12348 } 12349 12350 if (pkgSetting.getHidden(userId) != hidden) { 12351 pkgSetting.setHidden(hidden, userId); 12352 mSettings.writePackageRestrictionsLPr(userId); 12353 if (hidden) { 12354 sendRemoved = true; 12355 } else { 12356 sendAdded = true; 12357 } 12358 } 12359 } 12360 if (sendAdded) { 12361 sendPackageAddedForUser(packageName, pkgSetting, userId); 12362 return true; 12363 } 12364 if (sendRemoved) { 12365 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 12366 "hiding pkg"); 12367 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 12368 return true; 12369 } 12370 } finally { 12371 Binder.restoreCallingIdentity(callingId); 12372 } 12373 return false; 12374 } 12375 12376 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 12377 int userId) { 12378 final PackageRemovedInfo info = new PackageRemovedInfo(); 12379 info.removedPackage = packageName; 12380 info.removedUsers = new int[] {userId}; 12381 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 12382 info.sendPackageRemovedBroadcasts(true /*killApp*/); 12383 } 12384 12385 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 12386 if (pkgList.length > 0) { 12387 Bundle extras = new Bundle(1); 12388 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 12389 12390 sendPackageBroadcast( 12391 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 12392 : Intent.ACTION_PACKAGES_UNSUSPENDED, 12393 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 12394 new int[] {userId}); 12395 } 12396 } 12397 12398 /** 12399 * Returns true if application is not found or there was an error. Otherwise it returns 12400 * the hidden state of the package for the given user. 12401 */ 12402 @Override 12403 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 12404 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 12405 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12406 true /* requireFullPermission */, false /* checkShell */, 12407 "getApplicationHidden for user " + userId); 12408 PackageSetting pkgSetting; 12409 long callingId = Binder.clearCallingIdentity(); 12410 try { 12411 // writer 12412 synchronized (mPackages) { 12413 pkgSetting = mSettings.mPackages.get(packageName); 12414 if (pkgSetting == null) { 12415 return true; 12416 } 12417 return pkgSetting.getHidden(userId); 12418 } 12419 } finally { 12420 Binder.restoreCallingIdentity(callingId); 12421 } 12422 } 12423 12424 /** 12425 * @hide 12426 */ 12427 @Override 12428 public int installExistingPackageAsUser(String packageName, int userId, int installReason) { 12429 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 12430 null); 12431 PackageSetting pkgSetting; 12432 final int uid = Binder.getCallingUid(); 12433 enforceCrossUserPermission(uid, userId, 12434 true /* requireFullPermission */, true /* checkShell */, 12435 "installExistingPackage for user " + userId); 12436 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12437 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 12438 } 12439 12440 long callingId = Binder.clearCallingIdentity(); 12441 try { 12442 boolean installed = false; 12443 12444 // writer 12445 synchronized (mPackages) { 12446 pkgSetting = mSettings.mPackages.get(packageName); 12447 if (pkgSetting == null) { 12448 return PackageManager.INSTALL_FAILED_INVALID_URI; 12449 } 12450 if (!pkgSetting.getInstalled(userId)) { 12451 pkgSetting.setInstalled(true, userId); 12452 pkgSetting.setHidden(false, userId); 12453 pkgSetting.setInstallReason(installReason, userId); 12454 mSettings.writePackageRestrictionsLPr(userId); 12455 installed = true; 12456 } 12457 } 12458 12459 if (installed) { 12460 if (pkgSetting.pkg != null) { 12461 synchronized (mInstallLock) { 12462 // We don't need to freeze for a brand new install 12463 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 12464 } 12465 } 12466 sendPackageAddedForUser(packageName, pkgSetting, userId); 12467 } 12468 } finally { 12469 Binder.restoreCallingIdentity(callingId); 12470 } 12471 12472 return PackageManager.INSTALL_SUCCEEDED; 12473 } 12474 12475 boolean isUserRestricted(int userId, String restrictionKey) { 12476 Bundle restrictions = sUserManager.getUserRestrictions(userId); 12477 if (restrictions.getBoolean(restrictionKey, false)) { 12478 Log.w(TAG, "User is restricted: " + restrictionKey); 12479 return true; 12480 } 12481 return false; 12482 } 12483 12484 @Override 12485 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 12486 int userId) { 12487 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 12488 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12489 true /* requireFullPermission */, true /* checkShell */, 12490 "setPackagesSuspended for user " + userId); 12491 12492 if (ArrayUtils.isEmpty(packageNames)) { 12493 return packageNames; 12494 } 12495 12496 // List of package names for whom the suspended state has changed. 12497 List<String> changedPackages = new ArrayList<>(packageNames.length); 12498 // List of package names for whom the suspended state is not set as requested in this 12499 // method. 12500 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 12501 long callingId = Binder.clearCallingIdentity(); 12502 try { 12503 for (int i = 0; i < packageNames.length; i++) { 12504 String packageName = packageNames[i]; 12505 boolean changed = false; 12506 final int appId; 12507 synchronized (mPackages) { 12508 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12509 if (pkgSetting == null) { 12510 Slog.w(TAG, "Could not find package setting for package \"" + packageName 12511 + "\". Skipping suspending/un-suspending."); 12512 unactionedPackages.add(packageName); 12513 continue; 12514 } 12515 appId = pkgSetting.appId; 12516 if (pkgSetting.getSuspended(userId) != suspended) { 12517 if (!canSuspendPackageForUserLocked(packageName, userId)) { 12518 unactionedPackages.add(packageName); 12519 continue; 12520 } 12521 pkgSetting.setSuspended(suspended, userId); 12522 mSettings.writePackageRestrictionsLPr(userId); 12523 changed = true; 12524 changedPackages.add(packageName); 12525 } 12526 } 12527 12528 if (changed && suspended) { 12529 killApplication(packageName, UserHandle.getUid(userId, appId), 12530 "suspending package"); 12531 } 12532 } 12533 } finally { 12534 Binder.restoreCallingIdentity(callingId); 12535 } 12536 12537 if (!changedPackages.isEmpty()) { 12538 sendPackagesSuspendedForUser(changedPackages.toArray( 12539 new String[changedPackages.size()]), userId, suspended); 12540 } 12541 12542 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 12543 } 12544 12545 @Override 12546 public boolean isPackageSuspendedForUser(String packageName, int userId) { 12547 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12548 true /* requireFullPermission */, false /* checkShell */, 12549 "isPackageSuspendedForUser for user " + userId); 12550 synchronized (mPackages) { 12551 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12552 if (pkgSetting == null) { 12553 throw new IllegalArgumentException("Unknown target package: " + packageName); 12554 } 12555 return pkgSetting.getSuspended(userId); 12556 } 12557 } 12558 12559 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 12560 if (isPackageDeviceAdmin(packageName, userId)) { 12561 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12562 + "\": has an active device admin"); 12563 return false; 12564 } 12565 12566 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 12567 if (packageName.equals(activeLauncherPackageName)) { 12568 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12569 + "\": contains the active launcher"); 12570 return false; 12571 } 12572 12573 if (packageName.equals(mRequiredInstallerPackage)) { 12574 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12575 + "\": required for package installation"); 12576 return false; 12577 } 12578 12579 if (packageName.equals(mRequiredUninstallerPackage)) { 12580 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12581 + "\": required for package uninstallation"); 12582 return false; 12583 } 12584 12585 if (packageName.equals(mRequiredVerifierPackage)) { 12586 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12587 + "\": required for package verification"); 12588 return false; 12589 } 12590 12591 if (packageName.equals(getDefaultDialerPackageName(userId))) { 12592 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12593 + "\": is the default dialer"); 12594 return false; 12595 } 12596 12597 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12598 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12599 + "\": protected package"); 12600 return false; 12601 } 12602 12603 return true; 12604 } 12605 12606 private String getActiveLauncherPackageName(int userId) { 12607 Intent intent = new Intent(Intent.ACTION_MAIN); 12608 intent.addCategory(Intent.CATEGORY_HOME); 12609 ResolveInfo resolveInfo = resolveIntent( 12610 intent, 12611 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 12612 PackageManager.MATCH_DEFAULT_ONLY, 12613 userId); 12614 12615 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 12616 } 12617 12618 private String getDefaultDialerPackageName(int userId) { 12619 synchronized (mPackages) { 12620 return mSettings.getDefaultDialerPackageNameLPw(userId); 12621 } 12622 } 12623 12624 @Override 12625 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 12626 mContext.enforceCallingOrSelfPermission( 12627 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12628 "Only package verification agents can verify applications"); 12629 12630 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12631 final PackageVerificationResponse response = new PackageVerificationResponse( 12632 verificationCode, Binder.getCallingUid()); 12633 msg.arg1 = id; 12634 msg.obj = response; 12635 mHandler.sendMessage(msg); 12636 } 12637 12638 @Override 12639 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 12640 long millisecondsToDelay) { 12641 mContext.enforceCallingOrSelfPermission( 12642 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12643 "Only package verification agents can extend verification timeouts"); 12644 12645 final PackageVerificationState state = mPendingVerification.get(id); 12646 final PackageVerificationResponse response = new PackageVerificationResponse( 12647 verificationCodeAtTimeout, Binder.getCallingUid()); 12648 12649 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12650 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12651 } 12652 if (millisecondsToDelay < 0) { 12653 millisecondsToDelay = 0; 12654 } 12655 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12656 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12657 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12658 } 12659 12660 if ((state != null) && !state.timeoutExtended()) { 12661 state.extendTimeout(); 12662 12663 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12664 msg.arg1 = id; 12665 msg.obj = response; 12666 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12667 } 12668 } 12669 12670 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12671 int verificationCode, UserHandle user) { 12672 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12673 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12674 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12675 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12676 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12677 12678 mContext.sendBroadcastAsUser(intent, user, 12679 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12680 } 12681 12682 private ComponentName matchComponentForVerifier(String packageName, 12683 List<ResolveInfo> receivers) { 12684 ActivityInfo targetReceiver = null; 12685 12686 final int NR = receivers.size(); 12687 for (int i = 0; i < NR; i++) { 12688 final ResolveInfo info = receivers.get(i); 12689 if (info.activityInfo == null) { 12690 continue; 12691 } 12692 12693 if (packageName.equals(info.activityInfo.packageName)) { 12694 targetReceiver = info.activityInfo; 12695 break; 12696 } 12697 } 12698 12699 if (targetReceiver == null) { 12700 return null; 12701 } 12702 12703 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12704 } 12705 12706 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12707 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12708 if (pkgInfo.verifiers.length == 0) { 12709 return null; 12710 } 12711 12712 final int N = pkgInfo.verifiers.length; 12713 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12714 for (int i = 0; i < N; i++) { 12715 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12716 12717 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12718 receivers); 12719 if (comp == null) { 12720 continue; 12721 } 12722 12723 final int verifierUid = getUidForVerifier(verifierInfo); 12724 if (verifierUid == -1) { 12725 continue; 12726 } 12727 12728 if (DEBUG_VERIFY) { 12729 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12730 + " with the correct signature"); 12731 } 12732 sufficientVerifiers.add(comp); 12733 verificationState.addSufficientVerifier(verifierUid); 12734 } 12735 12736 return sufficientVerifiers; 12737 } 12738 12739 private int getUidForVerifier(VerifierInfo verifierInfo) { 12740 synchronized (mPackages) { 12741 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12742 if (pkg == null) { 12743 return -1; 12744 } else if (pkg.mSignatures.length != 1) { 12745 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12746 + " has more than one signature; ignoring"); 12747 return -1; 12748 } 12749 12750 /* 12751 * If the public key of the package's signature does not match 12752 * our expected public key, then this is a different package and 12753 * we should skip. 12754 */ 12755 12756 final byte[] expectedPublicKey; 12757 try { 12758 final Signature verifierSig = pkg.mSignatures[0]; 12759 final PublicKey publicKey = verifierSig.getPublicKey(); 12760 expectedPublicKey = publicKey.getEncoded(); 12761 } catch (CertificateException e) { 12762 return -1; 12763 } 12764 12765 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12766 12767 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12768 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12769 + " does not have the expected public key; ignoring"); 12770 return -1; 12771 } 12772 12773 return pkg.applicationInfo.uid; 12774 } 12775 } 12776 12777 @Override 12778 public void finishPackageInstall(int token, boolean didLaunch) { 12779 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12780 12781 if (DEBUG_INSTALL) { 12782 Slog.v(TAG, "BM finishing package install for " + token); 12783 } 12784 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12785 12786 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12787 mHandler.sendMessage(msg); 12788 } 12789 12790 /** 12791 * Get the verification agent timeout. 12792 * 12793 * @return verification timeout in milliseconds 12794 */ 12795 private long getVerificationTimeout() { 12796 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12797 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12798 DEFAULT_VERIFICATION_TIMEOUT); 12799 } 12800 12801 /** 12802 * Get the default verification agent response code. 12803 * 12804 * @return default verification response code 12805 */ 12806 private int getDefaultVerificationResponse() { 12807 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12808 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12809 DEFAULT_VERIFICATION_RESPONSE); 12810 } 12811 12812 /** 12813 * Check whether or not package verification has been enabled. 12814 * 12815 * @return true if verification should be performed 12816 */ 12817 private boolean isVerificationEnabled(int userId, int installFlags) { 12818 if (!DEFAULT_VERIFY_ENABLE) { 12819 return false; 12820 } 12821 // Ephemeral apps don't get the full verification treatment 12822 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12823 if (DEBUG_EPHEMERAL) { 12824 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12825 } 12826 return false; 12827 } 12828 12829 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12830 12831 // Check if installing from ADB 12832 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12833 // Do not run verification in a test harness environment 12834 if (ActivityManager.isRunningInTestHarness()) { 12835 return false; 12836 } 12837 if (ensureVerifyAppsEnabled) { 12838 return true; 12839 } 12840 // Check if the developer does not want package verification for ADB installs 12841 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12842 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12843 return false; 12844 } 12845 } 12846 12847 if (ensureVerifyAppsEnabled) { 12848 return true; 12849 } 12850 12851 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12852 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12853 } 12854 12855 @Override 12856 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12857 throws RemoteException { 12858 mContext.enforceCallingOrSelfPermission( 12859 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12860 "Only intentfilter verification agents can verify applications"); 12861 12862 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12863 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12864 Binder.getCallingUid(), verificationCode, failedDomains); 12865 msg.arg1 = id; 12866 msg.obj = response; 12867 mHandler.sendMessage(msg); 12868 } 12869 12870 @Override 12871 public int getIntentVerificationStatus(String packageName, int userId) { 12872 synchronized (mPackages) { 12873 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12874 } 12875 } 12876 12877 @Override 12878 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12879 mContext.enforceCallingOrSelfPermission( 12880 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12881 12882 boolean result = false; 12883 synchronized (mPackages) { 12884 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12885 } 12886 if (result) { 12887 scheduleWritePackageRestrictionsLocked(userId); 12888 } 12889 return result; 12890 } 12891 12892 @Override 12893 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12894 String packageName) { 12895 synchronized (mPackages) { 12896 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12897 } 12898 } 12899 12900 @Override 12901 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12902 if (TextUtils.isEmpty(packageName)) { 12903 return ParceledListSlice.emptyList(); 12904 } 12905 synchronized (mPackages) { 12906 PackageParser.Package pkg = mPackages.get(packageName); 12907 if (pkg == null || pkg.activities == null) { 12908 return ParceledListSlice.emptyList(); 12909 } 12910 final int count = pkg.activities.size(); 12911 ArrayList<IntentFilter> result = new ArrayList<>(); 12912 for (int n=0; n<count; n++) { 12913 PackageParser.Activity activity = pkg.activities.get(n); 12914 if (activity.intents != null && activity.intents.size() > 0) { 12915 result.addAll(activity.intents); 12916 } 12917 } 12918 return new ParceledListSlice<>(result); 12919 } 12920 } 12921 12922 @Override 12923 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12924 mContext.enforceCallingOrSelfPermission( 12925 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12926 12927 synchronized (mPackages) { 12928 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12929 if (packageName != null) { 12930 result |= updateIntentVerificationStatus(packageName, 12931 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12932 userId); 12933 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12934 packageName, userId); 12935 } 12936 return result; 12937 } 12938 } 12939 12940 @Override 12941 public String getDefaultBrowserPackageName(int userId) { 12942 synchronized (mPackages) { 12943 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12944 } 12945 } 12946 12947 /** 12948 * Get the "allow unknown sources" setting. 12949 * 12950 * @return the current "allow unknown sources" setting 12951 */ 12952 private int getUnknownSourcesSettings() { 12953 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12954 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12955 -1); 12956 } 12957 12958 @Override 12959 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12960 final int uid = Binder.getCallingUid(); 12961 // writer 12962 synchronized (mPackages) { 12963 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12964 if (targetPackageSetting == null) { 12965 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12966 } 12967 12968 PackageSetting installerPackageSetting; 12969 if (installerPackageName != null) { 12970 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12971 if (installerPackageSetting == null) { 12972 throw new IllegalArgumentException("Unknown installer package: " 12973 + installerPackageName); 12974 } 12975 } else { 12976 installerPackageSetting = null; 12977 } 12978 12979 Signature[] callerSignature; 12980 Object obj = mSettings.getUserIdLPr(uid); 12981 if (obj != null) { 12982 if (obj instanceof SharedUserSetting) { 12983 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12984 } else if (obj instanceof PackageSetting) { 12985 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12986 } else { 12987 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12988 } 12989 } else { 12990 throw new SecurityException("Unknown calling UID: " + uid); 12991 } 12992 12993 // Verify: can't set installerPackageName to a package that is 12994 // not signed with the same cert as the caller. 12995 if (installerPackageSetting != null) { 12996 if (compareSignatures(callerSignature, 12997 installerPackageSetting.signatures.mSignatures) 12998 != PackageManager.SIGNATURE_MATCH) { 12999 throw new SecurityException( 13000 "Caller does not have same cert as new installer package " 13001 + installerPackageName); 13002 } 13003 } 13004 13005 // Verify: if target already has an installer package, it must 13006 // be signed with the same cert as the caller. 13007 if (targetPackageSetting.installerPackageName != null) { 13008 PackageSetting setting = mSettings.mPackages.get( 13009 targetPackageSetting.installerPackageName); 13010 // If the currently set package isn't valid, then it's always 13011 // okay to change it. 13012 if (setting != null) { 13013 if (compareSignatures(callerSignature, 13014 setting.signatures.mSignatures) 13015 != PackageManager.SIGNATURE_MATCH) { 13016 throw new SecurityException( 13017 "Caller does not have same cert as old installer package " 13018 + targetPackageSetting.installerPackageName); 13019 } 13020 } 13021 } 13022 13023 // Okay! 13024 targetPackageSetting.installerPackageName = installerPackageName; 13025 if (installerPackageName != null) { 13026 mSettings.mInstallerPackages.add(installerPackageName); 13027 } 13028 scheduleWriteSettingsLocked(); 13029 } 13030 } 13031 13032 @Override 13033 public void setApplicationCategoryHint(String packageName, int categoryHint, 13034 String callerPackageName) { 13035 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 13036 callerPackageName); 13037 synchronized (mPackages) { 13038 PackageSetting ps = mSettings.mPackages.get(packageName); 13039 if (ps == null) { 13040 throw new IllegalArgumentException("Unknown target package " + packageName); 13041 } 13042 13043 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 13044 throw new IllegalArgumentException("Calling package " + callerPackageName 13045 + " is not installer for " + packageName); 13046 } 13047 13048 if (ps.categoryHint != categoryHint) { 13049 ps.categoryHint = categoryHint; 13050 scheduleWriteSettingsLocked(); 13051 } 13052 } 13053 } 13054 13055 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 13056 // Queue up an async operation since the package installation may take a little while. 13057 mHandler.post(new Runnable() { 13058 public void run() { 13059 mHandler.removeCallbacks(this); 13060 // Result object to be returned 13061 PackageInstalledInfo res = new PackageInstalledInfo(); 13062 res.setReturnCode(currentStatus); 13063 res.uid = -1; 13064 res.pkg = null; 13065 res.removedInfo = null; 13066 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13067 args.doPreInstall(res.returnCode); 13068 synchronized (mInstallLock) { 13069 installPackageTracedLI(args, res); 13070 } 13071 args.doPostInstall(res.returnCode, res.uid); 13072 } 13073 13074 // A restore should be performed at this point if (a) the install 13075 // succeeded, (b) the operation is not an update, and (c) the new 13076 // package has not opted out of backup participation. 13077 final boolean update = res.removedInfo != null 13078 && res.removedInfo.removedPackage != null; 13079 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 13080 boolean doRestore = !update 13081 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 13082 13083 // Set up the post-install work request bookkeeping. This will be used 13084 // and cleaned up by the post-install event handling regardless of whether 13085 // there's a restore pass performed. Token values are >= 1. 13086 int token; 13087 if (mNextInstallToken < 0) mNextInstallToken = 1; 13088 token = mNextInstallToken++; 13089 13090 PostInstallData data = new PostInstallData(args, res); 13091 mRunningInstalls.put(token, data); 13092 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 13093 13094 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 13095 // Pass responsibility to the Backup Manager. It will perform a 13096 // restore if appropriate, then pass responsibility back to the 13097 // Package Manager to run the post-install observer callbacks 13098 // and broadcasts. 13099 IBackupManager bm = IBackupManager.Stub.asInterface( 13100 ServiceManager.getService(Context.BACKUP_SERVICE)); 13101 if (bm != null) { 13102 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 13103 + " to BM for possible restore"); 13104 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13105 try { 13106 // TODO: http://b/22388012 13107 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 13108 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 13109 } else { 13110 doRestore = false; 13111 } 13112 } catch (RemoteException e) { 13113 // can't happen; the backup manager is local 13114 } catch (Exception e) { 13115 Slog.e(TAG, "Exception trying to enqueue restore", e); 13116 doRestore = false; 13117 } 13118 } else { 13119 Slog.e(TAG, "Backup Manager not found!"); 13120 doRestore = false; 13121 } 13122 } 13123 13124 if (!doRestore) { 13125 // No restore possible, or the Backup Manager was mysteriously not 13126 // available -- just fire the post-install work request directly. 13127 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 13128 13129 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 13130 13131 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 13132 mHandler.sendMessage(msg); 13133 } 13134 } 13135 }); 13136 } 13137 13138 /** 13139 * Callback from PackageSettings whenever an app is first transitioned out of the 13140 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 13141 * the app was "launched" for a restoreAtInstall operation. Therefore we check 13142 * here whether the app is the target of an ongoing install, and only send the 13143 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 13144 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 13145 * handling. 13146 */ 13147 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 13148 // Serialize this with the rest of the install-process message chain. In the 13149 // restore-at-install case, this Runnable will necessarily run before the 13150 // POST_INSTALL message is processed, so the contents of mRunningInstalls 13151 // are coherent. In the non-restore case, the app has already completed install 13152 // and been launched through some other means, so it is not in a problematic 13153 // state for observers to see the FIRST_LAUNCH signal. 13154 mHandler.post(new Runnable() { 13155 @Override 13156 public void run() { 13157 for (int i = 0; i < mRunningInstalls.size(); i++) { 13158 final PostInstallData data = mRunningInstalls.valueAt(i); 13159 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13160 continue; 13161 } 13162 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 13163 // right package; but is it for the right user? 13164 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 13165 if (userId == data.res.newUsers[uIndex]) { 13166 if (DEBUG_BACKUP) { 13167 Slog.i(TAG, "Package " + pkgName 13168 + " being restored so deferring FIRST_LAUNCH"); 13169 } 13170 return; 13171 } 13172 } 13173 } 13174 } 13175 // didn't find it, so not being restored 13176 if (DEBUG_BACKUP) { 13177 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 13178 } 13179 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 13180 } 13181 }); 13182 } 13183 13184 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 13185 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 13186 installerPkg, null, userIds); 13187 } 13188 13189 private abstract class HandlerParams { 13190 private static final int MAX_RETRIES = 4; 13191 13192 /** 13193 * Number of times startCopy() has been attempted and had a non-fatal 13194 * error. 13195 */ 13196 private int mRetries = 0; 13197 13198 /** User handle for the user requesting the information or installation. */ 13199 private final UserHandle mUser; 13200 String traceMethod; 13201 int traceCookie; 13202 13203 HandlerParams(UserHandle user) { 13204 mUser = user; 13205 } 13206 13207 UserHandle getUser() { 13208 return mUser; 13209 } 13210 13211 HandlerParams setTraceMethod(String traceMethod) { 13212 this.traceMethod = traceMethod; 13213 return this; 13214 } 13215 13216 HandlerParams setTraceCookie(int traceCookie) { 13217 this.traceCookie = traceCookie; 13218 return this; 13219 } 13220 13221 final boolean startCopy() { 13222 boolean res; 13223 try { 13224 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 13225 13226 if (++mRetries > MAX_RETRIES) { 13227 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 13228 mHandler.sendEmptyMessage(MCS_GIVE_UP); 13229 handleServiceError(); 13230 return false; 13231 } else { 13232 handleStartCopy(); 13233 res = true; 13234 } 13235 } catch (RemoteException e) { 13236 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 13237 mHandler.sendEmptyMessage(MCS_RECONNECT); 13238 res = false; 13239 } 13240 handleReturnCode(); 13241 return res; 13242 } 13243 13244 final void serviceError() { 13245 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 13246 handleServiceError(); 13247 handleReturnCode(); 13248 } 13249 13250 abstract void handleStartCopy() throws RemoteException; 13251 abstract void handleServiceError(); 13252 abstract void handleReturnCode(); 13253 } 13254 13255 class MeasureParams extends HandlerParams { 13256 private final PackageStats mStats; 13257 private boolean mSuccess; 13258 13259 private final IPackageStatsObserver mObserver; 13260 13261 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 13262 super(new UserHandle(stats.userHandle)); 13263 mObserver = observer; 13264 mStats = stats; 13265 } 13266 13267 @Override 13268 public String toString() { 13269 return "MeasureParams{" 13270 + Integer.toHexString(System.identityHashCode(this)) 13271 + " " + mStats.packageName + "}"; 13272 } 13273 13274 @Override 13275 void handleStartCopy() throws RemoteException { 13276 synchronized (mInstallLock) { 13277 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 13278 } 13279 13280 if (mSuccess) { 13281 boolean mounted = false; 13282 try { 13283 final String status = Environment.getExternalStorageState(); 13284 mounted = (Environment.MEDIA_MOUNTED.equals(status) 13285 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 13286 } catch (Exception e) { 13287 } 13288 13289 if (mounted) { 13290 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 13291 13292 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 13293 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 13294 13295 mStats.externalDataSize = calculateDirectorySize(mContainerService, 13296 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 13297 13298 // Always subtract cache size, since it's a subdirectory 13299 mStats.externalDataSize -= mStats.externalCacheSize; 13300 13301 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 13302 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 13303 13304 mStats.externalObbSize = calculateDirectorySize(mContainerService, 13305 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 13306 } 13307 } 13308 } 13309 13310 @Override 13311 void handleReturnCode() { 13312 if (mObserver != null) { 13313 try { 13314 mObserver.onGetStatsCompleted(mStats, mSuccess); 13315 } catch (RemoteException e) { 13316 Slog.i(TAG, "Observer no longer exists."); 13317 } 13318 } 13319 } 13320 13321 @Override 13322 void handleServiceError() { 13323 Slog.e(TAG, "Could not measure application " + mStats.packageName 13324 + " external storage"); 13325 } 13326 } 13327 13328 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 13329 throws RemoteException { 13330 long result = 0; 13331 for (File path : paths) { 13332 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 13333 } 13334 return result; 13335 } 13336 13337 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 13338 for (File path : paths) { 13339 try { 13340 mcs.clearDirectory(path.getAbsolutePath()); 13341 } catch (RemoteException e) { 13342 } 13343 } 13344 } 13345 13346 static class OriginInfo { 13347 /** 13348 * Location where install is coming from, before it has been 13349 * copied/renamed into place. This could be a single monolithic APK 13350 * file, or a cluster directory. This location may be untrusted. 13351 */ 13352 final File file; 13353 final String cid; 13354 13355 /** 13356 * Flag indicating that {@link #file} or {@link #cid} has already been 13357 * staged, meaning downstream users don't need to defensively copy the 13358 * contents. 13359 */ 13360 final boolean staged; 13361 13362 /** 13363 * Flag indicating that {@link #file} or {@link #cid} is an already 13364 * installed app that is being moved. 13365 */ 13366 final boolean existing; 13367 13368 final String resolvedPath; 13369 final File resolvedFile; 13370 13371 static OriginInfo fromNothing() { 13372 return new OriginInfo(null, null, false, false); 13373 } 13374 13375 static OriginInfo fromUntrustedFile(File file) { 13376 return new OriginInfo(file, null, false, false); 13377 } 13378 13379 static OriginInfo fromExistingFile(File file) { 13380 return new OriginInfo(file, null, false, true); 13381 } 13382 13383 static OriginInfo fromStagedFile(File file) { 13384 return new OriginInfo(file, null, true, false); 13385 } 13386 13387 static OriginInfo fromStagedContainer(String cid) { 13388 return new OriginInfo(null, cid, true, false); 13389 } 13390 13391 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 13392 this.file = file; 13393 this.cid = cid; 13394 this.staged = staged; 13395 this.existing = existing; 13396 13397 if (cid != null) { 13398 resolvedPath = PackageHelper.getSdDir(cid); 13399 resolvedFile = new File(resolvedPath); 13400 } else if (file != null) { 13401 resolvedPath = file.getAbsolutePath(); 13402 resolvedFile = file; 13403 } else { 13404 resolvedPath = null; 13405 resolvedFile = null; 13406 } 13407 } 13408 } 13409 13410 static class MoveInfo { 13411 final int moveId; 13412 final String fromUuid; 13413 final String toUuid; 13414 final String packageName; 13415 final String dataAppName; 13416 final int appId; 13417 final String seinfo; 13418 final int targetSdkVersion; 13419 13420 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 13421 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 13422 this.moveId = moveId; 13423 this.fromUuid = fromUuid; 13424 this.toUuid = toUuid; 13425 this.packageName = packageName; 13426 this.dataAppName = dataAppName; 13427 this.appId = appId; 13428 this.seinfo = seinfo; 13429 this.targetSdkVersion = targetSdkVersion; 13430 } 13431 } 13432 13433 static class VerificationInfo { 13434 /** A constant used to indicate that a uid value is not present. */ 13435 public static final int NO_UID = -1; 13436 13437 /** URI referencing where the package was downloaded from. */ 13438 final Uri originatingUri; 13439 13440 /** HTTP referrer URI associated with the originatingURI. */ 13441 final Uri referrer; 13442 13443 /** UID of the application that the install request originated from. */ 13444 final int originatingUid; 13445 13446 /** UID of application requesting the install */ 13447 final int installerUid; 13448 13449 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 13450 this.originatingUri = originatingUri; 13451 this.referrer = referrer; 13452 this.originatingUid = originatingUid; 13453 this.installerUid = installerUid; 13454 } 13455 } 13456 13457 class InstallParams extends HandlerParams { 13458 final OriginInfo origin; 13459 final MoveInfo move; 13460 final IPackageInstallObserver2 observer; 13461 int installFlags; 13462 final String installerPackageName; 13463 final String volumeUuid; 13464 private InstallArgs mArgs; 13465 private int mRet; 13466 final String packageAbiOverride; 13467 final String[] grantedRuntimePermissions; 13468 final VerificationInfo verificationInfo; 13469 final Certificate[][] certificates; 13470 final int installReason; 13471 13472 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13473 int installFlags, String installerPackageName, String volumeUuid, 13474 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 13475 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 13476 super(user); 13477 this.origin = origin; 13478 this.move = move; 13479 this.observer = observer; 13480 this.installFlags = installFlags; 13481 this.installerPackageName = installerPackageName; 13482 this.volumeUuid = volumeUuid; 13483 this.verificationInfo = verificationInfo; 13484 this.packageAbiOverride = packageAbiOverride; 13485 this.grantedRuntimePermissions = grantedPermissions; 13486 this.certificates = certificates; 13487 this.installReason = installReason; 13488 } 13489 13490 @Override 13491 public String toString() { 13492 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 13493 + " file=" + origin.file + " cid=" + origin.cid + "}"; 13494 } 13495 13496 private int installLocationPolicy(PackageInfoLite pkgLite) { 13497 String packageName = pkgLite.packageName; 13498 int installLocation = pkgLite.installLocation; 13499 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13500 // reader 13501 synchronized (mPackages) { 13502 // Currently installed package which the new package is attempting to replace or 13503 // null if no such package is installed. 13504 PackageParser.Package installedPkg = mPackages.get(packageName); 13505 // Package which currently owns the data which the new package will own if installed. 13506 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 13507 // will be null whereas dataOwnerPkg will contain information about the package 13508 // which was uninstalled while keeping its data. 13509 PackageParser.Package dataOwnerPkg = installedPkg; 13510 if (dataOwnerPkg == null) { 13511 PackageSetting ps = mSettings.mPackages.get(packageName); 13512 if (ps != null) { 13513 dataOwnerPkg = ps.pkg; 13514 } 13515 } 13516 13517 if (dataOwnerPkg != null) { 13518 // If installed, the package will get access to data left on the device by its 13519 // predecessor. As a security measure, this is permited only if this is not a 13520 // version downgrade or if the predecessor package is marked as debuggable and 13521 // a downgrade is explicitly requested. 13522 // 13523 // On debuggable platform builds, downgrades are permitted even for 13524 // non-debuggable packages to make testing easier. Debuggable platform builds do 13525 // not offer security guarantees and thus it's OK to disable some security 13526 // mechanisms to make debugging/testing easier on those builds. However, even on 13527 // debuggable builds downgrades of packages are permitted only if requested via 13528 // installFlags. This is because we aim to keep the behavior of debuggable 13529 // platform builds as close as possible to the behavior of non-debuggable 13530 // platform builds. 13531 final boolean downgradeRequested = 13532 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 13533 final boolean packageDebuggable = 13534 (dataOwnerPkg.applicationInfo.flags 13535 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 13536 final boolean downgradePermitted = 13537 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 13538 if (!downgradePermitted) { 13539 try { 13540 checkDowngrade(dataOwnerPkg, pkgLite); 13541 } catch (PackageManagerException e) { 13542 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 13543 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 13544 } 13545 } 13546 } 13547 13548 if (installedPkg != null) { 13549 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13550 // Check for updated system application. 13551 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13552 if (onSd) { 13553 Slog.w(TAG, "Cannot install update to system app on sdcard"); 13554 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 13555 } 13556 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13557 } else { 13558 if (onSd) { 13559 // Install flag overrides everything. 13560 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13561 } 13562 // If current upgrade specifies particular preference 13563 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 13564 // Application explicitly specified internal. 13565 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13566 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 13567 // App explictly prefers external. Let policy decide 13568 } else { 13569 // Prefer previous location 13570 if (isExternal(installedPkg)) { 13571 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13572 } 13573 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13574 } 13575 } 13576 } else { 13577 // Invalid install. Return error code 13578 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 13579 } 13580 } 13581 } 13582 // All the special cases have been taken care of. 13583 // Return result based on recommended install location. 13584 if (onSd) { 13585 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13586 } 13587 return pkgLite.recommendedInstallLocation; 13588 } 13589 13590 /* 13591 * Invoke remote method to get package information and install 13592 * location values. Override install location based on default 13593 * policy if needed and then create install arguments based 13594 * on the install location. 13595 */ 13596 public void handleStartCopy() throws RemoteException { 13597 int ret = PackageManager.INSTALL_SUCCEEDED; 13598 13599 // If we're already staged, we've firmly committed to an install location 13600 if (origin.staged) { 13601 if (origin.file != null) { 13602 installFlags |= PackageManager.INSTALL_INTERNAL; 13603 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13604 } else if (origin.cid != null) { 13605 installFlags |= PackageManager.INSTALL_EXTERNAL; 13606 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13607 } else { 13608 throw new IllegalStateException("Invalid stage location"); 13609 } 13610 } 13611 13612 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13613 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 13614 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13615 PackageInfoLite pkgLite = null; 13616 13617 if (onInt && onSd) { 13618 // Check if both bits are set. 13619 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 13620 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13621 } else if (onSd && ephemeral) { 13622 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 13623 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13624 } else { 13625 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 13626 packageAbiOverride); 13627 13628 if (DEBUG_EPHEMERAL && ephemeral) { 13629 Slog.v(TAG, "pkgLite for install: " + pkgLite); 13630 } 13631 13632 /* 13633 * If we have too little free space, try to free cache 13634 * before giving up. 13635 */ 13636 if (!origin.staged && pkgLite.recommendedInstallLocation 13637 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13638 // TODO: focus freeing disk space on the target device 13639 final StorageManager storage = StorageManager.from(mContext); 13640 final long lowThreshold = storage.getStorageLowBytes( 13641 Environment.getDataDirectory()); 13642 13643 final long sizeBytes = mContainerService.calculateInstalledSize( 13644 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 13645 13646 try { 13647 mInstaller.freeCache(null, sizeBytes + lowThreshold); 13648 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 13649 installFlags, packageAbiOverride); 13650 } catch (InstallerException e) { 13651 Slog.w(TAG, "Failed to free cache", e); 13652 } 13653 13654 /* 13655 * The cache free must have deleted the file we 13656 * downloaded to install. 13657 * 13658 * TODO: fix the "freeCache" call to not delete 13659 * the file we care about. 13660 */ 13661 if (pkgLite.recommendedInstallLocation 13662 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13663 pkgLite.recommendedInstallLocation 13664 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 13665 } 13666 } 13667 } 13668 13669 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13670 int loc = pkgLite.recommendedInstallLocation; 13671 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 13672 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13673 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 13674 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13675 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13676 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13677 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13678 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13679 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13680 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13681 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13682 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13683 } else { 13684 // Override with defaults if needed. 13685 loc = installLocationPolicy(pkgLite); 13686 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13687 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13688 } else if (!onSd && !onInt) { 13689 // Override install location with flags 13690 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13691 // Set the flag to install on external media. 13692 installFlags |= PackageManager.INSTALL_EXTERNAL; 13693 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13694 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13695 if (DEBUG_EPHEMERAL) { 13696 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13697 } 13698 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13699 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13700 |PackageManager.INSTALL_INTERNAL); 13701 } else { 13702 // Make sure the flag for installing on external 13703 // media is unset 13704 installFlags |= PackageManager.INSTALL_INTERNAL; 13705 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13706 } 13707 } 13708 } 13709 } 13710 13711 final InstallArgs args = createInstallArgs(this); 13712 mArgs = args; 13713 13714 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13715 // TODO: http://b/22976637 13716 // Apps installed for "all" users use the device owner to verify the app 13717 UserHandle verifierUser = getUser(); 13718 if (verifierUser == UserHandle.ALL) { 13719 verifierUser = UserHandle.SYSTEM; 13720 } 13721 13722 /* 13723 * Determine if we have any installed package verifiers. If we 13724 * do, then we'll defer to them to verify the packages. 13725 */ 13726 final int requiredUid = mRequiredVerifierPackage == null ? -1 13727 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13728 verifierUser.getIdentifier()); 13729 if (!origin.existing && requiredUid != -1 13730 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13731 final Intent verification = new Intent( 13732 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13733 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13734 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13735 PACKAGE_MIME_TYPE); 13736 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13737 13738 // Query all live verifiers based on current user state 13739 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13740 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13741 13742 if (DEBUG_VERIFY) { 13743 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13744 + verification.toString() + " with " + pkgLite.verifiers.length 13745 + " optional verifiers"); 13746 } 13747 13748 final int verificationId = mPendingVerificationToken++; 13749 13750 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13751 13752 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13753 installerPackageName); 13754 13755 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13756 installFlags); 13757 13758 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13759 pkgLite.packageName); 13760 13761 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13762 pkgLite.versionCode); 13763 13764 if (verificationInfo != null) { 13765 if (verificationInfo.originatingUri != null) { 13766 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13767 verificationInfo.originatingUri); 13768 } 13769 if (verificationInfo.referrer != null) { 13770 verification.putExtra(Intent.EXTRA_REFERRER, 13771 verificationInfo.referrer); 13772 } 13773 if (verificationInfo.originatingUid >= 0) { 13774 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13775 verificationInfo.originatingUid); 13776 } 13777 if (verificationInfo.installerUid >= 0) { 13778 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13779 verificationInfo.installerUid); 13780 } 13781 } 13782 13783 final PackageVerificationState verificationState = new PackageVerificationState( 13784 requiredUid, args); 13785 13786 mPendingVerification.append(verificationId, verificationState); 13787 13788 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13789 receivers, verificationState); 13790 13791 /* 13792 * If any sufficient verifiers were listed in the package 13793 * manifest, attempt to ask them. 13794 */ 13795 if (sufficientVerifiers != null) { 13796 final int N = sufficientVerifiers.size(); 13797 if (N == 0) { 13798 Slog.i(TAG, "Additional verifiers required, but none installed."); 13799 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13800 } else { 13801 for (int i = 0; i < N; i++) { 13802 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13803 13804 final Intent sufficientIntent = new Intent(verification); 13805 sufficientIntent.setComponent(verifierComponent); 13806 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13807 } 13808 } 13809 } 13810 13811 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13812 mRequiredVerifierPackage, receivers); 13813 if (ret == PackageManager.INSTALL_SUCCEEDED 13814 && mRequiredVerifierPackage != null) { 13815 Trace.asyncTraceBegin( 13816 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13817 /* 13818 * Send the intent to the required verification agent, 13819 * but only start the verification timeout after the 13820 * target BroadcastReceivers have run. 13821 */ 13822 verification.setComponent(requiredVerifierComponent); 13823 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13824 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13825 new BroadcastReceiver() { 13826 @Override 13827 public void onReceive(Context context, Intent intent) { 13828 final Message msg = mHandler 13829 .obtainMessage(CHECK_PENDING_VERIFICATION); 13830 msg.arg1 = verificationId; 13831 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13832 } 13833 }, null, 0, null, null); 13834 13835 /* 13836 * We don't want the copy to proceed until verification 13837 * succeeds, so null out this field. 13838 */ 13839 mArgs = null; 13840 } 13841 } else { 13842 /* 13843 * No package verification is enabled, so immediately start 13844 * the remote call to initiate copy using temporary file. 13845 */ 13846 ret = args.copyApk(mContainerService, true); 13847 } 13848 } 13849 13850 mRet = ret; 13851 } 13852 13853 @Override 13854 void handleReturnCode() { 13855 // If mArgs is null, then MCS couldn't be reached. When it 13856 // reconnects, it will try again to install. At that point, this 13857 // will succeed. 13858 if (mArgs != null) { 13859 processPendingInstall(mArgs, mRet); 13860 } 13861 } 13862 13863 @Override 13864 void handleServiceError() { 13865 mArgs = createInstallArgs(this); 13866 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13867 } 13868 13869 public boolean isForwardLocked() { 13870 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13871 } 13872 } 13873 13874 /** 13875 * Used during creation of InstallArgs 13876 * 13877 * @param installFlags package installation flags 13878 * @return true if should be installed on external storage 13879 */ 13880 private static boolean installOnExternalAsec(int installFlags) { 13881 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13882 return false; 13883 } 13884 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13885 return true; 13886 } 13887 return false; 13888 } 13889 13890 /** 13891 * Used during creation of InstallArgs 13892 * 13893 * @param installFlags package installation flags 13894 * @return true if should be installed as forward locked 13895 */ 13896 private static boolean installForwardLocked(int installFlags) { 13897 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13898 } 13899 13900 private InstallArgs createInstallArgs(InstallParams params) { 13901 if (params.move != null) { 13902 return new MoveInstallArgs(params); 13903 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13904 return new AsecInstallArgs(params); 13905 } else { 13906 return new FileInstallArgs(params); 13907 } 13908 } 13909 13910 /** 13911 * Create args that describe an existing installed package. Typically used 13912 * when cleaning up old installs, or used as a move source. 13913 */ 13914 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13915 String resourcePath, String[] instructionSets) { 13916 final boolean isInAsec; 13917 if (installOnExternalAsec(installFlags)) { 13918 /* Apps on SD card are always in ASEC containers. */ 13919 isInAsec = true; 13920 } else if (installForwardLocked(installFlags) 13921 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13922 /* 13923 * Forward-locked apps are only in ASEC containers if they're the 13924 * new style 13925 */ 13926 isInAsec = true; 13927 } else { 13928 isInAsec = false; 13929 } 13930 13931 if (isInAsec) { 13932 return new AsecInstallArgs(codePath, instructionSets, 13933 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13934 } else { 13935 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13936 } 13937 } 13938 13939 static abstract class InstallArgs { 13940 /** @see InstallParams#origin */ 13941 final OriginInfo origin; 13942 /** @see InstallParams#move */ 13943 final MoveInfo move; 13944 13945 final IPackageInstallObserver2 observer; 13946 // Always refers to PackageManager flags only 13947 final int installFlags; 13948 final String installerPackageName; 13949 final String volumeUuid; 13950 final UserHandle user; 13951 final String abiOverride; 13952 final String[] installGrantPermissions; 13953 /** If non-null, drop an async trace when the install completes */ 13954 final String traceMethod; 13955 final int traceCookie; 13956 final Certificate[][] certificates; 13957 final int installReason; 13958 13959 // The list of instruction sets supported by this app. This is currently 13960 // only used during the rmdex() phase to clean up resources. We can get rid of this 13961 // if we move dex files under the common app path. 13962 /* nullable */ String[] instructionSets; 13963 13964 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13965 int installFlags, String installerPackageName, String volumeUuid, 13966 UserHandle user, String[] instructionSets, 13967 String abiOverride, String[] installGrantPermissions, 13968 String traceMethod, int traceCookie, Certificate[][] certificates, 13969 int installReason) { 13970 this.origin = origin; 13971 this.move = move; 13972 this.installFlags = installFlags; 13973 this.observer = observer; 13974 this.installerPackageName = installerPackageName; 13975 this.volumeUuid = volumeUuid; 13976 this.user = user; 13977 this.instructionSets = instructionSets; 13978 this.abiOverride = abiOverride; 13979 this.installGrantPermissions = installGrantPermissions; 13980 this.traceMethod = traceMethod; 13981 this.traceCookie = traceCookie; 13982 this.certificates = certificates; 13983 this.installReason = installReason; 13984 } 13985 13986 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13987 abstract int doPreInstall(int status); 13988 13989 /** 13990 * Rename package into final resting place. All paths on the given 13991 * scanned package should be updated to reflect the rename. 13992 */ 13993 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13994 abstract int doPostInstall(int status, int uid); 13995 13996 /** @see PackageSettingBase#codePathString */ 13997 abstract String getCodePath(); 13998 /** @see PackageSettingBase#resourcePathString */ 13999 abstract String getResourcePath(); 14000 14001 // Need installer lock especially for dex file removal. 14002 abstract void cleanUpResourcesLI(); 14003 abstract boolean doPostDeleteLI(boolean delete); 14004 14005 /** 14006 * Called before the source arguments are copied. This is used mostly 14007 * for MoveParams when it needs to read the source file to put it in the 14008 * destination. 14009 */ 14010 int doPreCopy() { 14011 return PackageManager.INSTALL_SUCCEEDED; 14012 } 14013 14014 /** 14015 * Called after the source arguments are copied. This is used mostly for 14016 * MoveParams when it needs to read the source file to put it in the 14017 * destination. 14018 */ 14019 int doPostCopy(int uid) { 14020 return PackageManager.INSTALL_SUCCEEDED; 14021 } 14022 14023 protected boolean isFwdLocked() { 14024 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14025 } 14026 14027 protected boolean isExternalAsec() { 14028 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14029 } 14030 14031 protected boolean isEphemeral() { 14032 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 14033 } 14034 14035 UserHandle getUser() { 14036 return user; 14037 } 14038 } 14039 14040 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14041 if (!allCodePaths.isEmpty()) { 14042 if (instructionSets == null) { 14043 throw new IllegalStateException("instructionSet == null"); 14044 } 14045 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14046 for (String codePath : allCodePaths) { 14047 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14048 try { 14049 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14050 } catch (InstallerException ignored) { 14051 } 14052 } 14053 } 14054 } 14055 } 14056 14057 /** 14058 * Logic to handle installation of non-ASEC applications, including copying 14059 * and renaming logic. 14060 */ 14061 class FileInstallArgs extends InstallArgs { 14062 private File codeFile; 14063 private File resourceFile; 14064 14065 // Example topology: 14066 // /data/app/com.example/base.apk 14067 // /data/app/com.example/split_foo.apk 14068 // /data/app/com.example/lib/arm/libfoo.so 14069 // /data/app/com.example/lib/arm64/libfoo.so 14070 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 14071 14072 /** New install */ 14073 FileInstallArgs(InstallParams params) { 14074 super(params.origin, params.move, params.observer, params.installFlags, 14075 params.installerPackageName, params.volumeUuid, 14076 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 14077 params.grantedRuntimePermissions, 14078 params.traceMethod, params.traceCookie, params.certificates, 14079 params.installReason); 14080 if (isFwdLocked()) { 14081 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 14082 } 14083 } 14084 14085 /** Existing install */ 14086 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 14087 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 14088 null, null, null, 0, null /*certificates*/, 14089 PackageManager.INSTALL_REASON_UNKNOWN); 14090 this.codeFile = (codePath != null) ? new File(codePath) : null; 14091 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 14092 } 14093 14094 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14095 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 14096 try { 14097 return doCopyApk(imcs, temp); 14098 } finally { 14099 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14100 } 14101 } 14102 14103 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14104 if (origin.staged) { 14105 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 14106 codeFile = origin.file; 14107 resourceFile = origin.file; 14108 return PackageManager.INSTALL_SUCCEEDED; 14109 } 14110 14111 try { 14112 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 14113 final File tempDir = 14114 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 14115 codeFile = tempDir; 14116 resourceFile = tempDir; 14117 } catch (IOException e) { 14118 Slog.w(TAG, "Failed to create copy file: " + e); 14119 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14120 } 14121 14122 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 14123 @Override 14124 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 14125 if (!FileUtils.isValidExtFilename(name)) { 14126 throw new IllegalArgumentException("Invalid filename: " + name); 14127 } 14128 try { 14129 final File file = new File(codeFile, name); 14130 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 14131 O_RDWR | O_CREAT, 0644); 14132 Os.chmod(file.getAbsolutePath(), 0644); 14133 return new ParcelFileDescriptor(fd); 14134 } catch (ErrnoException e) { 14135 throw new RemoteException("Failed to open: " + e.getMessage()); 14136 } 14137 } 14138 }; 14139 14140 int ret = PackageManager.INSTALL_SUCCEEDED; 14141 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 14142 if (ret != PackageManager.INSTALL_SUCCEEDED) { 14143 Slog.e(TAG, "Failed to copy package"); 14144 return ret; 14145 } 14146 14147 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 14148 NativeLibraryHelper.Handle handle = null; 14149 try { 14150 handle = NativeLibraryHelper.Handle.create(codeFile); 14151 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 14152 abiOverride); 14153 } catch (IOException e) { 14154 Slog.e(TAG, "Copying native libraries failed", e); 14155 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14156 } finally { 14157 IoUtils.closeQuietly(handle); 14158 } 14159 14160 return ret; 14161 } 14162 14163 int doPreInstall(int status) { 14164 if (status != PackageManager.INSTALL_SUCCEEDED) { 14165 cleanUp(); 14166 } 14167 return status; 14168 } 14169 14170 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14171 if (status != PackageManager.INSTALL_SUCCEEDED) { 14172 cleanUp(); 14173 return false; 14174 } 14175 14176 final File targetDir = codeFile.getParentFile(); 14177 final File beforeCodeFile = codeFile; 14178 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 14179 14180 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 14181 try { 14182 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 14183 } catch (ErrnoException e) { 14184 Slog.w(TAG, "Failed to rename", e); 14185 return false; 14186 } 14187 14188 if (!SELinux.restoreconRecursive(afterCodeFile)) { 14189 Slog.w(TAG, "Failed to restorecon"); 14190 return false; 14191 } 14192 14193 // Reflect the rename internally 14194 codeFile = afterCodeFile; 14195 resourceFile = afterCodeFile; 14196 14197 // Reflect the rename in scanned details 14198 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 14199 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 14200 afterCodeFile, pkg.baseCodePath)); 14201 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 14202 afterCodeFile, pkg.splitCodePaths)); 14203 14204 // Reflect the rename in app info 14205 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14206 pkg.setApplicationInfoCodePath(pkg.codePath); 14207 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14208 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14209 pkg.setApplicationInfoResourcePath(pkg.codePath); 14210 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14211 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14212 14213 return true; 14214 } 14215 14216 int doPostInstall(int status, int uid) { 14217 if (status != PackageManager.INSTALL_SUCCEEDED) { 14218 cleanUp(); 14219 } 14220 return status; 14221 } 14222 14223 @Override 14224 String getCodePath() { 14225 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14226 } 14227 14228 @Override 14229 String getResourcePath() { 14230 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14231 } 14232 14233 private boolean cleanUp() { 14234 if (codeFile == null || !codeFile.exists()) { 14235 return false; 14236 } 14237 14238 removeCodePathLI(codeFile); 14239 14240 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 14241 resourceFile.delete(); 14242 } 14243 14244 return true; 14245 } 14246 14247 void cleanUpResourcesLI() { 14248 // Try enumerating all code paths before deleting 14249 List<String> allCodePaths = Collections.EMPTY_LIST; 14250 if (codeFile != null && codeFile.exists()) { 14251 try { 14252 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 14253 allCodePaths = pkg.getAllCodePaths(); 14254 } catch (PackageParserException e) { 14255 // Ignored; we tried our best 14256 } 14257 } 14258 14259 cleanUp(); 14260 removeDexFiles(allCodePaths, instructionSets); 14261 } 14262 14263 boolean doPostDeleteLI(boolean delete) { 14264 // XXX err, shouldn't we respect the delete flag? 14265 cleanUpResourcesLI(); 14266 return true; 14267 } 14268 } 14269 14270 private boolean isAsecExternal(String cid) { 14271 final String asecPath = PackageHelper.getSdFilesystem(cid); 14272 return !asecPath.startsWith(mAsecInternalPath); 14273 } 14274 14275 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 14276 PackageManagerException { 14277 if (copyRet < 0) { 14278 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 14279 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 14280 throw new PackageManagerException(copyRet, message); 14281 } 14282 } 14283 } 14284 14285 /** 14286 * Extract the StorageManagerService "container ID" from the full code path of an 14287 * .apk. 14288 */ 14289 static String cidFromCodePath(String fullCodePath) { 14290 int eidx = fullCodePath.lastIndexOf("/"); 14291 String subStr1 = fullCodePath.substring(0, eidx); 14292 int sidx = subStr1.lastIndexOf("/"); 14293 return subStr1.substring(sidx+1, eidx); 14294 } 14295 14296 /** 14297 * Logic to handle installation of ASEC applications, including copying and 14298 * renaming logic. 14299 */ 14300 class AsecInstallArgs extends InstallArgs { 14301 static final String RES_FILE_NAME = "pkg.apk"; 14302 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 14303 14304 String cid; 14305 String packagePath; 14306 String resourcePath; 14307 14308 /** New install */ 14309 AsecInstallArgs(InstallParams params) { 14310 super(params.origin, params.move, params.observer, params.installFlags, 14311 params.installerPackageName, params.volumeUuid, 14312 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 14313 params.grantedRuntimePermissions, 14314 params.traceMethod, params.traceCookie, params.certificates, 14315 params.installReason); 14316 } 14317 14318 /** Existing install */ 14319 AsecInstallArgs(String fullCodePath, String[] instructionSets, 14320 boolean isExternal, boolean isForwardLocked) { 14321 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 14322 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 14323 instructionSets, null, null, null, 0, null /*certificates*/, 14324 PackageManager.INSTALL_REASON_UNKNOWN); 14325 // Hackily pretend we're still looking at a full code path 14326 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 14327 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 14328 } 14329 14330 // Extract cid from fullCodePath 14331 int eidx = fullCodePath.lastIndexOf("/"); 14332 String subStr1 = fullCodePath.substring(0, eidx); 14333 int sidx = subStr1.lastIndexOf("/"); 14334 cid = subStr1.substring(sidx+1, eidx); 14335 setMountPath(subStr1); 14336 } 14337 14338 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 14339 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 14340 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 14341 instructionSets, null, null, null, 0, null /*certificates*/, 14342 PackageManager.INSTALL_REASON_UNKNOWN); 14343 this.cid = cid; 14344 setMountPath(PackageHelper.getSdDir(cid)); 14345 } 14346 14347 void createCopyFile() { 14348 cid = mInstallerService.allocateExternalStageCidLegacy(); 14349 } 14350 14351 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14352 if (origin.staged && origin.cid != null) { 14353 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 14354 cid = origin.cid; 14355 setMountPath(PackageHelper.getSdDir(cid)); 14356 return PackageManager.INSTALL_SUCCEEDED; 14357 } 14358 14359 if (temp) { 14360 createCopyFile(); 14361 } else { 14362 /* 14363 * Pre-emptively destroy the container since it's destroyed if 14364 * copying fails due to it existing anyway. 14365 */ 14366 PackageHelper.destroySdDir(cid); 14367 } 14368 14369 final String newMountPath = imcs.copyPackageToContainer( 14370 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 14371 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 14372 14373 if (newMountPath != null) { 14374 setMountPath(newMountPath); 14375 return PackageManager.INSTALL_SUCCEEDED; 14376 } else { 14377 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14378 } 14379 } 14380 14381 @Override 14382 String getCodePath() { 14383 return packagePath; 14384 } 14385 14386 @Override 14387 String getResourcePath() { 14388 return resourcePath; 14389 } 14390 14391 int doPreInstall(int status) { 14392 if (status != PackageManager.INSTALL_SUCCEEDED) { 14393 // Destroy container 14394 PackageHelper.destroySdDir(cid); 14395 } else { 14396 boolean mounted = PackageHelper.isContainerMounted(cid); 14397 if (!mounted) { 14398 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 14399 Process.SYSTEM_UID); 14400 if (newMountPath != null) { 14401 setMountPath(newMountPath); 14402 } else { 14403 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14404 } 14405 } 14406 } 14407 return status; 14408 } 14409 14410 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14411 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 14412 String newMountPath = null; 14413 if (PackageHelper.isContainerMounted(cid)) { 14414 // Unmount the container 14415 if (!PackageHelper.unMountSdDir(cid)) { 14416 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 14417 return false; 14418 } 14419 } 14420 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 14421 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 14422 " which might be stale. Will try to clean up."); 14423 // Clean up the stale container and proceed to recreate. 14424 if (!PackageHelper.destroySdDir(newCacheId)) { 14425 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 14426 return false; 14427 } 14428 // Successfully cleaned up stale container. Try to rename again. 14429 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 14430 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 14431 + " inspite of cleaning it up."); 14432 return false; 14433 } 14434 } 14435 if (!PackageHelper.isContainerMounted(newCacheId)) { 14436 Slog.w(TAG, "Mounting container " + newCacheId); 14437 newMountPath = PackageHelper.mountSdDir(newCacheId, 14438 getEncryptKey(), Process.SYSTEM_UID); 14439 } else { 14440 newMountPath = PackageHelper.getSdDir(newCacheId); 14441 } 14442 if (newMountPath == null) { 14443 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 14444 return false; 14445 } 14446 Log.i(TAG, "Succesfully renamed " + cid + 14447 " to " + newCacheId + 14448 " at new path: " + newMountPath); 14449 cid = newCacheId; 14450 14451 final File beforeCodeFile = new File(packagePath); 14452 setMountPath(newMountPath); 14453 final File afterCodeFile = new File(packagePath); 14454 14455 // Reflect the rename in scanned details 14456 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 14457 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 14458 afterCodeFile, pkg.baseCodePath)); 14459 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 14460 afterCodeFile, pkg.splitCodePaths)); 14461 14462 // Reflect the rename in app info 14463 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14464 pkg.setApplicationInfoCodePath(pkg.codePath); 14465 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14466 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14467 pkg.setApplicationInfoResourcePath(pkg.codePath); 14468 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14469 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14470 14471 return true; 14472 } 14473 14474 private void setMountPath(String mountPath) { 14475 final File mountFile = new File(mountPath); 14476 14477 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 14478 if (monolithicFile.exists()) { 14479 packagePath = monolithicFile.getAbsolutePath(); 14480 if (isFwdLocked()) { 14481 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 14482 } else { 14483 resourcePath = packagePath; 14484 } 14485 } else { 14486 packagePath = mountFile.getAbsolutePath(); 14487 resourcePath = packagePath; 14488 } 14489 } 14490 14491 int doPostInstall(int status, int uid) { 14492 if (status != PackageManager.INSTALL_SUCCEEDED) { 14493 cleanUp(); 14494 } else { 14495 final int groupOwner; 14496 final String protectedFile; 14497 if (isFwdLocked()) { 14498 groupOwner = UserHandle.getSharedAppGid(uid); 14499 protectedFile = RES_FILE_NAME; 14500 } else { 14501 groupOwner = -1; 14502 protectedFile = null; 14503 } 14504 14505 if (uid < Process.FIRST_APPLICATION_UID 14506 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 14507 Slog.e(TAG, "Failed to finalize " + cid); 14508 PackageHelper.destroySdDir(cid); 14509 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14510 } 14511 14512 boolean mounted = PackageHelper.isContainerMounted(cid); 14513 if (!mounted) { 14514 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 14515 } 14516 } 14517 return status; 14518 } 14519 14520 private void cleanUp() { 14521 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 14522 14523 // Destroy secure container 14524 PackageHelper.destroySdDir(cid); 14525 } 14526 14527 private List<String> getAllCodePaths() { 14528 final File codeFile = new File(getCodePath()); 14529 if (codeFile != null && codeFile.exists()) { 14530 try { 14531 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 14532 return pkg.getAllCodePaths(); 14533 } catch (PackageParserException e) { 14534 // Ignored; we tried our best 14535 } 14536 } 14537 return Collections.EMPTY_LIST; 14538 } 14539 14540 void cleanUpResourcesLI() { 14541 // Enumerate all code paths before deleting 14542 cleanUpResourcesLI(getAllCodePaths()); 14543 } 14544 14545 private void cleanUpResourcesLI(List<String> allCodePaths) { 14546 cleanUp(); 14547 removeDexFiles(allCodePaths, instructionSets); 14548 } 14549 14550 String getPackageName() { 14551 return getAsecPackageName(cid); 14552 } 14553 14554 boolean doPostDeleteLI(boolean delete) { 14555 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 14556 final List<String> allCodePaths = getAllCodePaths(); 14557 boolean mounted = PackageHelper.isContainerMounted(cid); 14558 if (mounted) { 14559 // Unmount first 14560 if (PackageHelper.unMountSdDir(cid)) { 14561 mounted = false; 14562 } 14563 } 14564 if (!mounted && delete) { 14565 cleanUpResourcesLI(allCodePaths); 14566 } 14567 return !mounted; 14568 } 14569 14570 @Override 14571 int doPreCopy() { 14572 if (isFwdLocked()) { 14573 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 14574 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 14575 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14576 } 14577 } 14578 14579 return PackageManager.INSTALL_SUCCEEDED; 14580 } 14581 14582 @Override 14583 int doPostCopy(int uid) { 14584 if (isFwdLocked()) { 14585 if (uid < Process.FIRST_APPLICATION_UID 14586 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 14587 RES_FILE_NAME)) { 14588 Slog.e(TAG, "Failed to finalize " + cid); 14589 PackageHelper.destroySdDir(cid); 14590 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14591 } 14592 } 14593 14594 return PackageManager.INSTALL_SUCCEEDED; 14595 } 14596 } 14597 14598 /** 14599 * Logic to handle movement of existing installed applications. 14600 */ 14601 class MoveInstallArgs extends InstallArgs { 14602 private File codeFile; 14603 private File resourceFile; 14604 14605 /** New install */ 14606 MoveInstallArgs(InstallParams params) { 14607 super(params.origin, params.move, params.observer, params.installFlags, 14608 params.installerPackageName, params.volumeUuid, 14609 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 14610 params.grantedRuntimePermissions, 14611 params.traceMethod, params.traceCookie, params.certificates, 14612 params.installReason); 14613 } 14614 14615 int copyApk(IMediaContainerService imcs, boolean temp) { 14616 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 14617 + move.fromUuid + " to " + move.toUuid); 14618 synchronized (mInstaller) { 14619 try { 14620 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 14621 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 14622 } catch (InstallerException e) { 14623 Slog.w(TAG, "Failed to move app", e); 14624 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14625 } 14626 } 14627 14628 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 14629 resourceFile = codeFile; 14630 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 14631 14632 return PackageManager.INSTALL_SUCCEEDED; 14633 } 14634 14635 int doPreInstall(int status) { 14636 if (status != PackageManager.INSTALL_SUCCEEDED) { 14637 cleanUp(move.toUuid); 14638 } 14639 return status; 14640 } 14641 14642 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14643 if (status != PackageManager.INSTALL_SUCCEEDED) { 14644 cleanUp(move.toUuid); 14645 return false; 14646 } 14647 14648 // Reflect the move in app info 14649 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14650 pkg.setApplicationInfoCodePath(pkg.codePath); 14651 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14652 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14653 pkg.setApplicationInfoResourcePath(pkg.codePath); 14654 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14655 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14656 14657 return true; 14658 } 14659 14660 int doPostInstall(int status, int uid) { 14661 if (status == PackageManager.INSTALL_SUCCEEDED) { 14662 cleanUp(move.fromUuid); 14663 } else { 14664 cleanUp(move.toUuid); 14665 } 14666 return status; 14667 } 14668 14669 @Override 14670 String getCodePath() { 14671 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14672 } 14673 14674 @Override 14675 String getResourcePath() { 14676 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14677 } 14678 14679 private boolean cleanUp(String volumeUuid) { 14680 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 14681 move.dataAppName); 14682 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 14683 final int[] userIds = sUserManager.getUserIds(); 14684 synchronized (mInstallLock) { 14685 // Clean up both app data and code 14686 // All package moves are frozen until finished 14687 for (int userId : userIds) { 14688 try { 14689 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14690 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14691 } catch (InstallerException e) { 14692 Slog.w(TAG, String.valueOf(e)); 14693 } 14694 } 14695 removeCodePathLI(codeFile); 14696 } 14697 return true; 14698 } 14699 14700 void cleanUpResourcesLI() { 14701 throw new UnsupportedOperationException(); 14702 } 14703 14704 boolean doPostDeleteLI(boolean delete) { 14705 throw new UnsupportedOperationException(); 14706 } 14707 } 14708 14709 static String getAsecPackageName(String packageCid) { 14710 int idx = packageCid.lastIndexOf("-"); 14711 if (idx == -1) { 14712 return packageCid; 14713 } 14714 return packageCid.substring(0, idx); 14715 } 14716 14717 // Utility method used to create code paths based on package name and available index. 14718 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14719 String idxStr = ""; 14720 int idx = 1; 14721 // Fall back to default value of idx=1 if prefix is not 14722 // part of oldCodePath 14723 if (oldCodePath != null) { 14724 String subStr = oldCodePath; 14725 // Drop the suffix right away 14726 if (suffix != null && subStr.endsWith(suffix)) { 14727 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14728 } 14729 // If oldCodePath already contains prefix find out the 14730 // ending index to either increment or decrement. 14731 int sidx = subStr.lastIndexOf(prefix); 14732 if (sidx != -1) { 14733 subStr = subStr.substring(sidx + prefix.length()); 14734 if (subStr != null) { 14735 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14736 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14737 } 14738 try { 14739 idx = Integer.parseInt(subStr); 14740 if (idx <= 1) { 14741 idx++; 14742 } else { 14743 idx--; 14744 } 14745 } catch(NumberFormatException e) { 14746 } 14747 } 14748 } 14749 } 14750 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14751 return prefix + idxStr; 14752 } 14753 14754 private File getNextCodePath(File targetDir, String packageName) { 14755 File result; 14756 SecureRandom random = new SecureRandom(); 14757 byte[] bytes = new byte[16]; 14758 do { 14759 random.nextBytes(bytes); 14760 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 14761 result = new File(targetDir, packageName + "-" + suffix); 14762 } while (result.exists()); 14763 return result; 14764 } 14765 14766 // Utility method that returns the relative package path with respect 14767 // to the installation directory. Like say for /data/data/com.test-1.apk 14768 // string com.test-1 is returned. 14769 static String deriveCodePathName(String codePath) { 14770 if (codePath == null) { 14771 return null; 14772 } 14773 final File codeFile = new File(codePath); 14774 final String name = codeFile.getName(); 14775 if (codeFile.isDirectory()) { 14776 return name; 14777 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14778 final int lastDot = name.lastIndexOf('.'); 14779 return name.substring(0, lastDot); 14780 } else { 14781 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14782 return null; 14783 } 14784 } 14785 14786 static class PackageInstalledInfo { 14787 String name; 14788 int uid; 14789 // The set of users that originally had this package installed. 14790 int[] origUsers; 14791 // The set of users that now have this package installed. 14792 int[] newUsers; 14793 PackageParser.Package pkg; 14794 int returnCode; 14795 String returnMsg; 14796 PackageRemovedInfo removedInfo; 14797 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14798 14799 public void setError(int code, String msg) { 14800 setReturnCode(code); 14801 setReturnMessage(msg); 14802 Slog.w(TAG, msg); 14803 } 14804 14805 public void setError(String msg, PackageParserException e) { 14806 setReturnCode(e.error); 14807 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14808 Slog.w(TAG, msg, e); 14809 } 14810 14811 public void setError(String msg, PackageManagerException e) { 14812 returnCode = e.error; 14813 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14814 Slog.w(TAG, msg, e); 14815 } 14816 14817 public void setReturnCode(int returnCode) { 14818 this.returnCode = returnCode; 14819 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14820 for (int i = 0; i < childCount; i++) { 14821 addedChildPackages.valueAt(i).returnCode = returnCode; 14822 } 14823 } 14824 14825 private void setReturnMessage(String returnMsg) { 14826 this.returnMsg = returnMsg; 14827 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14828 for (int i = 0; i < childCount; i++) { 14829 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14830 } 14831 } 14832 14833 // In some error cases we want to convey more info back to the observer 14834 String origPackage; 14835 String origPermission; 14836 } 14837 14838 /* 14839 * Install a non-existing package. 14840 */ 14841 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14842 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14843 PackageInstalledInfo res, int installReason) { 14844 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14845 14846 // Remember this for later, in case we need to rollback this install 14847 String pkgName = pkg.packageName; 14848 14849 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14850 14851 synchronized(mPackages) { 14852 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 14853 if (renamedPackage != null) { 14854 // A package with the same name is already installed, though 14855 // it has been renamed to an older name. The package we 14856 // are trying to install should be installed as an update to 14857 // the existing one, but that has not been requested, so bail. 14858 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14859 + " without first uninstalling package running as " 14860 + renamedPackage); 14861 return; 14862 } 14863 if (mPackages.containsKey(pkgName)) { 14864 // Don't allow installation over an existing package with the same name. 14865 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14866 + " without first uninstalling."); 14867 return; 14868 } 14869 } 14870 14871 try { 14872 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14873 System.currentTimeMillis(), user); 14874 14875 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 14876 14877 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14878 prepareAppDataAfterInstallLIF(newPackage); 14879 14880 } else { 14881 // Remove package from internal structures, but keep around any 14882 // data that might have already existed 14883 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14884 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14885 } 14886 } catch (PackageManagerException e) { 14887 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14888 } 14889 14890 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14891 } 14892 14893 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14894 // Can't rotate keys during boot or if sharedUser. 14895 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14896 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14897 return false; 14898 } 14899 // app is using upgradeKeySets; make sure all are valid 14900 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14901 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14902 for (int i = 0; i < upgradeKeySets.length; i++) { 14903 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14904 Slog.wtf(TAG, "Package " 14905 + (oldPs.name != null ? oldPs.name : "<null>") 14906 + " contains upgrade-key-set reference to unknown key-set: " 14907 + upgradeKeySets[i] 14908 + " reverting to signatures check."); 14909 return false; 14910 } 14911 } 14912 return true; 14913 } 14914 14915 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14916 // Upgrade keysets are being used. Determine if new package has a superset of the 14917 // required keys. 14918 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14919 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14920 for (int i = 0; i < upgradeKeySets.length; i++) { 14921 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14922 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14923 return true; 14924 } 14925 } 14926 return false; 14927 } 14928 14929 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14930 try (DigestInputStream digestStream = 14931 new DigestInputStream(new FileInputStream(file), digest)) { 14932 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14933 } 14934 } 14935 14936 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14937 UserHandle user, String installerPackageName, PackageInstalledInfo res, 14938 int installReason) { 14939 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14940 14941 final PackageParser.Package oldPackage; 14942 final String pkgName = pkg.packageName; 14943 final int[] allUsers; 14944 final int[] installedUsers; 14945 14946 synchronized(mPackages) { 14947 oldPackage = mPackages.get(pkgName); 14948 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14949 14950 // don't allow upgrade to target a release SDK from a pre-release SDK 14951 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14952 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14953 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14954 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14955 if (oldTargetsPreRelease 14956 && !newTargetsPreRelease 14957 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14958 Slog.w(TAG, "Can't install package targeting released sdk"); 14959 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14960 return; 14961 } 14962 14963 // don't allow an upgrade from full to ephemeral 14964 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14965 if (isEphemeral && !oldIsEphemeral) { 14966 // can't downgrade from full to ephemeral 14967 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14968 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14969 return; 14970 } 14971 14972 // verify signatures are valid 14973 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14974 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14975 if (!checkUpgradeKeySetLP(ps, pkg)) { 14976 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14977 "New package not signed by keys specified by upgrade-keysets: " 14978 + pkgName); 14979 return; 14980 } 14981 } else { 14982 // default to original signature matching 14983 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14984 != PackageManager.SIGNATURE_MATCH) { 14985 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14986 "New package has a different signature: " + pkgName); 14987 return; 14988 } 14989 } 14990 14991 // don't allow a system upgrade unless the upgrade hash matches 14992 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14993 byte[] digestBytes = null; 14994 try { 14995 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14996 updateDigest(digest, new File(pkg.baseCodePath)); 14997 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14998 for (String path : pkg.splitCodePaths) { 14999 updateDigest(digest, new File(path)); 15000 } 15001 } 15002 digestBytes = digest.digest(); 15003 } catch (NoSuchAlgorithmException | IOException e) { 15004 res.setError(INSTALL_FAILED_INVALID_APK, 15005 "Could not compute hash: " + pkgName); 15006 return; 15007 } 15008 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15009 res.setError(INSTALL_FAILED_INVALID_APK, 15010 "New package fails restrict-update check: " + pkgName); 15011 return; 15012 } 15013 // retain upgrade restriction 15014 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15015 } 15016 15017 // Check for shared user id changes 15018 String invalidPackageName = 15019 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15020 if (invalidPackageName != null) { 15021 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15022 "Package " + invalidPackageName + " tried to change user " 15023 + oldPackage.mSharedUserId); 15024 return; 15025 } 15026 15027 // In case of rollback, remember per-user/profile install state 15028 allUsers = sUserManager.getUserIds(); 15029 installedUsers = ps.queryInstalledUsers(allUsers, true); 15030 } 15031 15032 // Update what is removed 15033 res.removedInfo = new PackageRemovedInfo(); 15034 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15035 res.removedInfo.removedPackage = oldPackage.packageName; 15036 res.removedInfo.isUpdate = true; 15037 res.removedInfo.origUsers = installedUsers; 15038 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 15039 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15040 for (int i = 0; i < installedUsers.length; i++) { 15041 final int userId = installedUsers[i]; 15042 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15043 } 15044 15045 final int childCount = (oldPackage.childPackages != null) 15046 ? oldPackage.childPackages.size() : 0; 15047 for (int i = 0; i < childCount; i++) { 15048 boolean childPackageUpdated = false; 15049 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15050 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15051 if (res.addedChildPackages != null) { 15052 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15053 if (childRes != null) { 15054 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15055 childRes.removedInfo.removedPackage = childPkg.packageName; 15056 childRes.removedInfo.isUpdate = true; 15057 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15058 childPackageUpdated = true; 15059 } 15060 } 15061 if (!childPackageUpdated) { 15062 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 15063 childRemovedRes.removedPackage = childPkg.packageName; 15064 childRemovedRes.isUpdate = false; 15065 childRemovedRes.dataRemoved = true; 15066 synchronized (mPackages) { 15067 if (childPs != null) { 15068 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 15069 } 15070 } 15071 if (res.removedInfo.removedChildPackages == null) { 15072 res.removedInfo.removedChildPackages = new ArrayMap<>(); 15073 } 15074 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 15075 } 15076 } 15077 15078 boolean sysPkg = (isSystemApp(oldPackage)); 15079 if (sysPkg) { 15080 // Set the system/privileged flags as needed 15081 final boolean privileged = 15082 (oldPackage.applicationInfo.privateFlags 15083 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15084 final int systemPolicyFlags = policyFlags 15085 | PackageParser.PARSE_IS_SYSTEM 15086 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 15087 15088 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 15089 user, allUsers, installerPackageName, res, installReason); 15090 } else { 15091 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 15092 user, allUsers, installerPackageName, res, installReason); 15093 } 15094 } 15095 15096 public List<String> getPreviousCodePaths(String packageName) { 15097 final PackageSetting ps = mSettings.mPackages.get(packageName); 15098 final List<String> result = new ArrayList<String>(); 15099 if (ps != null && ps.oldCodePaths != null) { 15100 result.addAll(ps.oldCodePaths); 15101 } 15102 return result; 15103 } 15104 15105 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 15106 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15107 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15108 int installReason) { 15109 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 15110 + deletedPackage); 15111 15112 String pkgName = deletedPackage.packageName; 15113 boolean deletedPkg = true; 15114 boolean addedPkg = false; 15115 boolean updatedSettings = false; 15116 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 15117 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 15118 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 15119 15120 final long origUpdateTime = (pkg.mExtras != null) 15121 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 15122 15123 // First delete the existing package while retaining the data directory 15124 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15125 res.removedInfo, true, pkg)) { 15126 // If the existing package wasn't successfully deleted 15127 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 15128 deletedPkg = false; 15129 } else { 15130 // Successfully deleted the old package; proceed with replace. 15131 15132 // If deleted package lived in a container, give users a chance to 15133 // relinquish resources before killing. 15134 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 15135 if (DEBUG_INSTALL) { 15136 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 15137 } 15138 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 15139 final ArrayList<String> pkgList = new ArrayList<String>(1); 15140 pkgList.add(deletedPackage.applicationInfo.packageName); 15141 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 15142 } 15143 15144 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15145 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15146 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15147 15148 try { 15149 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 15150 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 15151 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15152 installReason); 15153 15154 // Update the in-memory copy of the previous code paths. 15155 PackageSetting ps = mSettings.mPackages.get(pkgName); 15156 if (!killApp) { 15157 if (ps.oldCodePaths == null) { 15158 ps.oldCodePaths = new ArraySet<>(); 15159 } 15160 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 15161 if (deletedPackage.splitCodePaths != null) { 15162 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 15163 } 15164 } else { 15165 ps.oldCodePaths = null; 15166 } 15167 if (ps.childPackageNames != null) { 15168 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 15169 final String childPkgName = ps.childPackageNames.get(i); 15170 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 15171 childPs.oldCodePaths = ps.oldCodePaths; 15172 } 15173 } 15174 prepareAppDataAfterInstallLIF(newPackage); 15175 addedPkg = true; 15176 } catch (PackageManagerException e) { 15177 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15178 } 15179 } 15180 15181 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15182 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 15183 15184 // Revert all internal state mutations and added folders for the failed install 15185 if (addedPkg) { 15186 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15187 res.removedInfo, true, null); 15188 } 15189 15190 // Restore the old package 15191 if (deletedPkg) { 15192 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 15193 File restoreFile = new File(deletedPackage.codePath); 15194 // Parse old package 15195 boolean oldExternal = isExternal(deletedPackage); 15196 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 15197 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 15198 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 15199 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 15200 try { 15201 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 15202 null); 15203 } catch (PackageManagerException e) { 15204 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 15205 + e.getMessage()); 15206 return; 15207 } 15208 15209 synchronized (mPackages) { 15210 // Ensure the installer package name up to date 15211 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 15212 15213 // Update permissions for restored package 15214 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 15215 15216 mSettings.writeLPr(); 15217 } 15218 15219 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 15220 } 15221 } else { 15222 synchronized (mPackages) { 15223 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 15224 if (ps != null) { 15225 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15226 if (res.removedInfo.removedChildPackages != null) { 15227 final int childCount = res.removedInfo.removedChildPackages.size(); 15228 // Iterate in reverse as we may modify the collection 15229 for (int i = childCount - 1; i >= 0; i--) { 15230 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 15231 if (res.addedChildPackages.containsKey(childPackageName)) { 15232 res.removedInfo.removedChildPackages.removeAt(i); 15233 } else { 15234 PackageRemovedInfo childInfo = res.removedInfo 15235 .removedChildPackages.valueAt(i); 15236 childInfo.removedForAllUsers = mPackages.get( 15237 childInfo.removedPackage) == null; 15238 } 15239 } 15240 } 15241 } 15242 } 15243 } 15244 } 15245 15246 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 15247 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15248 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15249 int installReason) { 15250 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 15251 + ", old=" + deletedPackage); 15252 15253 final boolean disabledSystem; 15254 15255 // Remove existing system package 15256 removePackageLI(deletedPackage, true); 15257 15258 synchronized (mPackages) { 15259 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 15260 } 15261 if (!disabledSystem) { 15262 // We didn't need to disable the .apk as a current system package, 15263 // which means we are replacing another update that is already 15264 // installed. We need to make sure to delete the older one's .apk. 15265 res.removedInfo.args = createInstallArgsForExisting(0, 15266 deletedPackage.applicationInfo.getCodePath(), 15267 deletedPackage.applicationInfo.getResourcePath(), 15268 getAppDexInstructionSets(deletedPackage.applicationInfo)); 15269 } else { 15270 res.removedInfo.args = null; 15271 } 15272 15273 // Successfully disabled the old package. Now proceed with re-installation 15274 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15275 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15276 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15277 15278 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15279 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 15280 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 15281 15282 PackageParser.Package newPackage = null; 15283 try { 15284 // Add the package to the internal data structures 15285 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 15286 15287 // Set the update and install times 15288 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 15289 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 15290 System.currentTimeMillis()); 15291 15292 // Update the package dynamic state if succeeded 15293 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15294 // Now that the install succeeded make sure we remove data 15295 // directories for any child package the update removed. 15296 final int deletedChildCount = (deletedPackage.childPackages != null) 15297 ? deletedPackage.childPackages.size() : 0; 15298 final int newChildCount = (newPackage.childPackages != null) 15299 ? newPackage.childPackages.size() : 0; 15300 for (int i = 0; i < deletedChildCount; i++) { 15301 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 15302 boolean childPackageDeleted = true; 15303 for (int j = 0; j < newChildCount; j++) { 15304 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 15305 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 15306 childPackageDeleted = false; 15307 break; 15308 } 15309 } 15310 if (childPackageDeleted) { 15311 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 15312 deletedChildPkg.packageName); 15313 if (ps != null && res.removedInfo.removedChildPackages != null) { 15314 PackageRemovedInfo removedChildRes = res.removedInfo 15315 .removedChildPackages.get(deletedChildPkg.packageName); 15316 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 15317 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 15318 } 15319 } 15320 } 15321 15322 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15323 installReason); 15324 prepareAppDataAfterInstallLIF(newPackage); 15325 } 15326 } catch (PackageManagerException e) { 15327 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 15328 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15329 } 15330 15331 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15332 // Re installation failed. Restore old information 15333 // Remove new pkg information 15334 if (newPackage != null) { 15335 removeInstalledPackageLI(newPackage, true); 15336 } 15337 // Add back the old system package 15338 try { 15339 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 15340 } catch (PackageManagerException e) { 15341 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 15342 } 15343 15344 synchronized (mPackages) { 15345 if (disabledSystem) { 15346 enableSystemPackageLPw(deletedPackage); 15347 } 15348 15349 // Ensure the installer package name up to date 15350 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 15351 15352 // Update permissions for restored package 15353 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 15354 15355 mSettings.writeLPr(); 15356 } 15357 15358 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 15359 + " after failed upgrade"); 15360 } 15361 } 15362 15363 /** 15364 * Checks whether the parent or any of the child packages have a change shared 15365 * user. For a package to be a valid update the shred users of the parent and 15366 * the children should match. We may later support changing child shared users. 15367 * @param oldPkg The updated package. 15368 * @param newPkg The update package. 15369 * @return The shared user that change between the versions. 15370 */ 15371 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 15372 PackageParser.Package newPkg) { 15373 // Check parent shared user 15374 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 15375 return newPkg.packageName; 15376 } 15377 // Check child shared users 15378 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 15379 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 15380 for (int i = 0; i < newChildCount; i++) { 15381 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 15382 // If this child was present, did it have the same shared user? 15383 for (int j = 0; j < oldChildCount; j++) { 15384 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 15385 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 15386 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 15387 return newChildPkg.packageName; 15388 } 15389 } 15390 } 15391 return null; 15392 } 15393 15394 private void removeNativeBinariesLI(PackageSetting ps) { 15395 // Remove the lib path for the parent package 15396 if (ps != null) { 15397 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 15398 // Remove the lib path for the child packages 15399 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15400 for (int i = 0; i < childCount; i++) { 15401 PackageSetting childPs = null; 15402 synchronized (mPackages) { 15403 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 15404 } 15405 if (childPs != null) { 15406 NativeLibraryHelper.removeNativeBinariesLI(childPs 15407 .legacyNativeLibraryPathString); 15408 } 15409 } 15410 } 15411 } 15412 15413 private void enableSystemPackageLPw(PackageParser.Package pkg) { 15414 // Enable the parent package 15415 mSettings.enableSystemPackageLPw(pkg.packageName); 15416 // Enable the child packages 15417 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15418 for (int i = 0; i < childCount; i++) { 15419 PackageParser.Package childPkg = pkg.childPackages.get(i); 15420 mSettings.enableSystemPackageLPw(childPkg.packageName); 15421 } 15422 } 15423 15424 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 15425 PackageParser.Package newPkg) { 15426 // Disable the parent package (parent always replaced) 15427 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 15428 // Disable the child packages 15429 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 15430 for (int i = 0; i < childCount; i++) { 15431 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 15432 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 15433 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 15434 } 15435 return disabled; 15436 } 15437 15438 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 15439 String installerPackageName) { 15440 // Enable the parent package 15441 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 15442 // Enable the child packages 15443 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15444 for (int i = 0; i < childCount; i++) { 15445 PackageParser.Package childPkg = pkg.childPackages.get(i); 15446 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 15447 } 15448 } 15449 15450 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 15451 // Collect all used permissions in the UID 15452 ArraySet<String> usedPermissions = new ArraySet<>(); 15453 final int packageCount = su.packages.size(); 15454 for (int i = 0; i < packageCount; i++) { 15455 PackageSetting ps = su.packages.valueAt(i); 15456 if (ps.pkg == null) { 15457 continue; 15458 } 15459 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 15460 for (int j = 0; j < requestedPermCount; j++) { 15461 String permission = ps.pkg.requestedPermissions.get(j); 15462 BasePermission bp = mSettings.mPermissions.get(permission); 15463 if (bp != null) { 15464 usedPermissions.add(permission); 15465 } 15466 } 15467 } 15468 15469 PermissionsState permissionsState = su.getPermissionsState(); 15470 // Prune install permissions 15471 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 15472 final int installPermCount = installPermStates.size(); 15473 for (int i = installPermCount - 1; i >= 0; i--) { 15474 PermissionState permissionState = installPermStates.get(i); 15475 if (!usedPermissions.contains(permissionState.getName())) { 15476 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 15477 if (bp != null) { 15478 permissionsState.revokeInstallPermission(bp); 15479 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 15480 PackageManager.MASK_PERMISSION_FLAGS, 0); 15481 } 15482 } 15483 } 15484 15485 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 15486 15487 // Prune runtime permissions 15488 for (int userId : allUserIds) { 15489 List<PermissionState> runtimePermStates = permissionsState 15490 .getRuntimePermissionStates(userId); 15491 final int runtimePermCount = runtimePermStates.size(); 15492 for (int i = runtimePermCount - 1; i >= 0; i--) { 15493 PermissionState permissionState = runtimePermStates.get(i); 15494 if (!usedPermissions.contains(permissionState.getName())) { 15495 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 15496 if (bp != null) { 15497 permissionsState.revokeRuntimePermission(bp, userId); 15498 permissionsState.updatePermissionFlags(bp, userId, 15499 PackageManager.MASK_PERMISSION_FLAGS, 0); 15500 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 15501 runtimePermissionChangedUserIds, userId); 15502 } 15503 } 15504 } 15505 } 15506 15507 return runtimePermissionChangedUserIds; 15508 } 15509 15510 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 15511 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 15512 // Update the parent package setting 15513 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 15514 res, user, installReason); 15515 // Update the child packages setting 15516 final int childCount = (newPackage.childPackages != null) 15517 ? newPackage.childPackages.size() : 0; 15518 for (int i = 0; i < childCount; i++) { 15519 PackageParser.Package childPackage = newPackage.childPackages.get(i); 15520 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 15521 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 15522 childRes.origUsers, childRes, user, installReason); 15523 } 15524 } 15525 15526 private void updateSettingsInternalLI(PackageParser.Package newPackage, 15527 String installerPackageName, int[] allUsers, int[] installedForUsers, 15528 PackageInstalledInfo res, UserHandle user, int installReason) { 15529 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 15530 15531 String pkgName = newPackage.packageName; 15532 synchronized (mPackages) { 15533 //write settings. the installStatus will be incomplete at this stage. 15534 //note that the new package setting would have already been 15535 //added to mPackages. It hasn't been persisted yet. 15536 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 15537 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15538 mSettings.writeLPr(); 15539 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15540 } 15541 15542 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 15543 synchronized (mPackages) { 15544 updatePermissionsLPw(newPackage.packageName, newPackage, 15545 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 15546 ? UPDATE_PERMISSIONS_ALL : 0)); 15547 // For system-bundled packages, we assume that installing an upgraded version 15548 // of the package implies that the user actually wants to run that new code, 15549 // so we enable the package. 15550 PackageSetting ps = mSettings.mPackages.get(pkgName); 15551 final int userId = user.getIdentifier(); 15552 if (ps != null) { 15553 if (isSystemApp(newPackage)) { 15554 if (DEBUG_INSTALL) { 15555 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 15556 } 15557 // Enable system package for requested users 15558 if (res.origUsers != null) { 15559 for (int origUserId : res.origUsers) { 15560 if (userId == UserHandle.USER_ALL || userId == origUserId) { 15561 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 15562 origUserId, installerPackageName); 15563 } 15564 } 15565 } 15566 // Also convey the prior install/uninstall state 15567 if (allUsers != null && installedForUsers != null) { 15568 for (int currentUserId : allUsers) { 15569 final boolean installed = ArrayUtils.contains( 15570 installedForUsers, currentUserId); 15571 if (DEBUG_INSTALL) { 15572 Slog.d(TAG, " user " + currentUserId + " => " + installed); 15573 } 15574 ps.setInstalled(installed, currentUserId); 15575 } 15576 // these install state changes will be persisted in the 15577 // upcoming call to mSettings.writeLPr(). 15578 } 15579 } 15580 // It's implied that when a user requests installation, they want the app to be 15581 // installed and enabled. 15582 if (userId != UserHandle.USER_ALL) { 15583 ps.setInstalled(true, userId); 15584 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 15585 } 15586 15587 // When replacing an existing package, preserve the original install reason for all 15588 // users that had the package installed before. 15589 final Set<Integer> previousUserIds = new ArraySet<>(); 15590 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 15591 final int installReasonCount = res.removedInfo.installReasons.size(); 15592 for (int i = 0; i < installReasonCount; i++) { 15593 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 15594 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 15595 ps.setInstallReason(previousInstallReason, previousUserId); 15596 previousUserIds.add(previousUserId); 15597 } 15598 } 15599 15600 // Set install reason for users that are having the package newly installed. 15601 if (userId == UserHandle.USER_ALL) { 15602 for (int currentUserId : sUserManager.getUserIds()) { 15603 if (!previousUserIds.contains(currentUserId)) { 15604 ps.setInstallReason(installReason, currentUserId); 15605 } 15606 } 15607 } else if (!previousUserIds.contains(userId)) { 15608 ps.setInstallReason(installReason, userId); 15609 } 15610 } 15611 res.name = pkgName; 15612 res.uid = newPackage.applicationInfo.uid; 15613 res.pkg = newPackage; 15614 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 15615 mSettings.setInstallerPackageName(pkgName, installerPackageName); 15616 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15617 //to update install status 15618 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15619 mSettings.writeLPr(); 15620 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15621 } 15622 15623 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15624 } 15625 15626 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 15627 try { 15628 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 15629 installPackageLI(args, res); 15630 } finally { 15631 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15632 } 15633 } 15634 15635 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 15636 final int installFlags = args.installFlags; 15637 final String installerPackageName = args.installerPackageName; 15638 final String volumeUuid = args.volumeUuid; 15639 final File tmpPackageFile = new File(args.getCodePath()); 15640 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 15641 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 15642 || (args.volumeUuid != null)); 15643 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 15644 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 15645 boolean replace = false; 15646 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 15647 if (args.move != null) { 15648 // moving a complete application; perform an initial scan on the new install location 15649 scanFlags |= SCAN_INITIAL; 15650 } 15651 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 15652 scanFlags |= SCAN_DONT_KILL_APP; 15653 } 15654 15655 // Result object to be returned 15656 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15657 15658 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 15659 15660 // Sanity check 15661 if (ephemeral && (forwardLocked || onExternal)) { 15662 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 15663 + " external=" + onExternal); 15664 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 15665 return; 15666 } 15667 15668 // Retrieve PackageSettings and parse package 15669 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 15670 | PackageParser.PARSE_ENFORCE_CODE 15671 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 15672 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 15673 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 15674 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 15675 PackageParser pp = new PackageParser(); 15676 pp.setSeparateProcesses(mSeparateProcesses); 15677 pp.setDisplayMetrics(mMetrics); 15678 15679 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 15680 final PackageParser.Package pkg; 15681 try { 15682 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 15683 } catch (PackageParserException e) { 15684 res.setError("Failed parse during installPackageLI", e); 15685 return; 15686 } finally { 15687 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15688 } 15689 15690 // Ephemeral apps must have target SDK >= O. 15691 // TODO: Update conditional and error message when O gets locked down 15692 if (ephemeral && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 15693 res.setError(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID, 15694 "Ephemeral apps must have target SDK version of at least O"); 15695 return; 15696 } 15697 15698 // If we are installing a clustered package add results for the children 15699 if (pkg.childPackages != null) { 15700 synchronized (mPackages) { 15701 final int childCount = pkg.childPackages.size(); 15702 for (int i = 0; i < childCount; i++) { 15703 PackageParser.Package childPkg = pkg.childPackages.get(i); 15704 PackageInstalledInfo childRes = new PackageInstalledInfo(); 15705 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15706 childRes.pkg = childPkg; 15707 childRes.name = childPkg.packageName; 15708 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15709 if (childPs != null) { 15710 childRes.origUsers = childPs.queryInstalledUsers( 15711 sUserManager.getUserIds(), true); 15712 } 15713 if ((mPackages.containsKey(childPkg.packageName))) { 15714 childRes.removedInfo = new PackageRemovedInfo(); 15715 childRes.removedInfo.removedPackage = childPkg.packageName; 15716 } 15717 if (res.addedChildPackages == null) { 15718 res.addedChildPackages = new ArrayMap<>(); 15719 } 15720 res.addedChildPackages.put(childPkg.packageName, childRes); 15721 } 15722 } 15723 } 15724 15725 // If package doesn't declare API override, mark that we have an install 15726 // time CPU ABI override. 15727 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 15728 pkg.cpuAbiOverride = args.abiOverride; 15729 } 15730 15731 String pkgName = res.name = pkg.packageName; 15732 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15733 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15734 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15735 return; 15736 } 15737 } 15738 15739 try { 15740 // either use what we've been given or parse directly from the APK 15741 if (args.certificates != null) { 15742 try { 15743 PackageParser.populateCertificates(pkg, args.certificates); 15744 } catch (PackageParserException e) { 15745 // there was something wrong with the certificates we were given; 15746 // try to pull them from the APK 15747 PackageParser.collectCertificates(pkg, parseFlags); 15748 } 15749 } else { 15750 PackageParser.collectCertificates(pkg, parseFlags); 15751 } 15752 } catch (PackageParserException e) { 15753 res.setError("Failed collect during installPackageLI", e); 15754 return; 15755 } 15756 15757 // Get rid of all references to package scan path via parser. 15758 pp = null; 15759 String oldCodePath = null; 15760 boolean systemApp = false; 15761 synchronized (mPackages) { 15762 // Check if installing already existing package 15763 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15764 String oldName = mSettings.getRenamedPackageLPr(pkgName); 15765 if (pkg.mOriginalPackages != null 15766 && pkg.mOriginalPackages.contains(oldName) 15767 && mPackages.containsKey(oldName)) { 15768 // This package is derived from an original package, 15769 // and this device has been updating from that original 15770 // name. We must continue using the original name, so 15771 // rename the new package here. 15772 pkg.setPackageName(oldName); 15773 pkgName = pkg.packageName; 15774 replace = true; 15775 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15776 + oldName + " pkgName=" + pkgName); 15777 } else if (mPackages.containsKey(pkgName)) { 15778 // This package, under its official name, already exists 15779 // on the device; we should replace it. 15780 replace = true; 15781 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15782 } 15783 15784 // Child packages are installed through the parent package 15785 if (pkg.parentPackage != null) { 15786 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15787 "Package " + pkg.packageName + " is child of package " 15788 + pkg.parentPackage.parentPackage + ". Child packages " 15789 + "can be updated only through the parent package."); 15790 return; 15791 } 15792 15793 if (replace) { 15794 // Prevent apps opting out from runtime permissions 15795 PackageParser.Package oldPackage = mPackages.get(pkgName); 15796 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15797 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15798 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15799 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15800 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15801 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15802 + " doesn't support runtime permissions but the old" 15803 + " target SDK " + oldTargetSdk + " does."); 15804 return; 15805 } 15806 15807 // Prevent installing of child packages 15808 if (oldPackage.parentPackage != null) { 15809 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15810 "Package " + pkg.packageName + " is child of package " 15811 + oldPackage.parentPackage + ". Child packages " 15812 + "can be updated only through the parent package."); 15813 return; 15814 } 15815 } 15816 } 15817 15818 PackageSetting ps = mSettings.mPackages.get(pkgName); 15819 if (ps != null) { 15820 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15821 15822 // Quick sanity check that we're signed correctly if updating; 15823 // we'll check this again later when scanning, but we want to 15824 // bail early here before tripping over redefined permissions. 15825 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15826 if (!checkUpgradeKeySetLP(ps, pkg)) { 15827 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15828 + pkg.packageName + " upgrade keys do not match the " 15829 + "previously installed version"); 15830 return; 15831 } 15832 } else { 15833 try { 15834 verifySignaturesLP(ps, pkg); 15835 } catch (PackageManagerException e) { 15836 res.setError(e.error, e.getMessage()); 15837 return; 15838 } 15839 } 15840 15841 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15842 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15843 systemApp = (ps.pkg.applicationInfo.flags & 15844 ApplicationInfo.FLAG_SYSTEM) != 0; 15845 } 15846 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15847 } 15848 15849 // Check whether the newly-scanned package wants to define an already-defined perm 15850 int N = pkg.permissions.size(); 15851 for (int i = N-1; i >= 0; i--) { 15852 PackageParser.Permission perm = pkg.permissions.get(i); 15853 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15854 if (bp != null) { 15855 // If the defining package is signed with our cert, it's okay. This 15856 // also includes the "updating the same package" case, of course. 15857 // "updating same package" could also involve key-rotation. 15858 final boolean sigsOk; 15859 if (bp.sourcePackage.equals(pkg.packageName) 15860 && (bp.packageSetting instanceof PackageSetting) 15861 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15862 scanFlags))) { 15863 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15864 } else { 15865 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15866 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15867 } 15868 if (!sigsOk) { 15869 // If the owning package is the system itself, we log but allow 15870 // install to proceed; we fail the install on all other permission 15871 // redefinitions. 15872 if (!bp.sourcePackage.equals("android")) { 15873 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15874 + pkg.packageName + " attempting to redeclare permission " 15875 + perm.info.name + " already owned by " + bp.sourcePackage); 15876 res.origPermission = perm.info.name; 15877 res.origPackage = bp.sourcePackage; 15878 return; 15879 } else { 15880 Slog.w(TAG, "Package " + pkg.packageName 15881 + " attempting to redeclare system permission " 15882 + perm.info.name + "; ignoring new declaration"); 15883 pkg.permissions.remove(i); 15884 } 15885 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 15886 // Prevent apps to change protection level to dangerous from any other 15887 // type as this would allow a privilege escalation where an app adds a 15888 // normal/signature permission in other app's group and later redefines 15889 // it as dangerous leading to the group auto-grant. 15890 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 15891 == PermissionInfo.PROTECTION_DANGEROUS) { 15892 if (bp != null && !bp.isRuntime()) { 15893 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 15894 + "non-runtime permission " + perm.info.name 15895 + " to runtime; keeping old protection level"); 15896 perm.info.protectionLevel = bp.protectionLevel; 15897 } 15898 } 15899 } 15900 } 15901 } 15902 } 15903 15904 if (systemApp) { 15905 if (onExternal) { 15906 // Abort update; system app can't be replaced with app on sdcard 15907 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15908 "Cannot install updates to system apps on sdcard"); 15909 return; 15910 } else if (ephemeral) { 15911 // Abort update; system app can't be replaced with an ephemeral app 15912 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15913 "Cannot update a system app with an ephemeral app"); 15914 return; 15915 } 15916 } 15917 15918 if (args.move != null) { 15919 // We did an in-place move, so dex is ready to roll 15920 scanFlags |= SCAN_NO_DEX; 15921 scanFlags |= SCAN_MOVE; 15922 15923 synchronized (mPackages) { 15924 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15925 if (ps == null) { 15926 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15927 "Missing settings for moved package " + pkgName); 15928 } 15929 15930 // We moved the entire application as-is, so bring over the 15931 // previously derived ABI information. 15932 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15933 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15934 } 15935 15936 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15937 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15938 scanFlags |= SCAN_NO_DEX; 15939 15940 try { 15941 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15942 args.abiOverride : pkg.cpuAbiOverride); 15943 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15944 true /*extractLibs*/, mAppLib32InstallDir); 15945 } catch (PackageManagerException pme) { 15946 Slog.e(TAG, "Error deriving application ABI", pme); 15947 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15948 return; 15949 } 15950 15951 // Shared libraries for the package need to be updated. 15952 synchronized (mPackages) { 15953 try { 15954 updateSharedLibrariesLPr(pkg, null); 15955 } catch (PackageManagerException e) { 15956 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15957 } 15958 } 15959 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15960 // Do not run PackageDexOptimizer through the local performDexOpt 15961 // method because `pkg` may not be in `mPackages` yet. 15962 // 15963 // Also, don't fail application installs if the dexopt step fails. 15964 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15965 null /* instructionSets */, false /* checkProfiles */, 15966 getCompilerFilterForReason(REASON_INSTALL), 15967 getOrCreateCompilerPackageStats(pkg)); 15968 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15969 15970 // Notify BackgroundDexOptService that the package has been changed. 15971 // If this is an update of a package which used to fail to compile, 15972 // BDOS will remove it from its blacklist. 15973 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15974 } 15975 15976 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15977 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15978 return; 15979 } 15980 15981 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15982 15983 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15984 "installPackageLI")) { 15985 if (replace) { 15986 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15987 installerPackageName, res, args.installReason); 15988 } else { 15989 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15990 args.user, installerPackageName, volumeUuid, res, args.installReason); 15991 } 15992 } 15993 synchronized (mPackages) { 15994 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15995 if (ps != null) { 15996 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15997 } 15998 15999 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16000 for (int i = 0; i < childCount; i++) { 16001 PackageParser.Package childPkg = pkg.childPackages.get(i); 16002 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16003 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16004 if (childPs != null) { 16005 childRes.newUsers = childPs.queryInstalledUsers( 16006 sUserManager.getUserIds(), true); 16007 } 16008 } 16009 } 16010 } 16011 16012 private void startIntentFilterVerifications(int userId, boolean replacing, 16013 PackageParser.Package pkg) { 16014 if (mIntentFilterVerifierComponent == null) { 16015 Slog.w(TAG, "No IntentFilter verification will not be done as " 16016 + "there is no IntentFilterVerifier available!"); 16017 return; 16018 } 16019 16020 final int verifierUid = getPackageUid( 16021 mIntentFilterVerifierComponent.getPackageName(), 16022 MATCH_DEBUG_TRIAGED_MISSING, 16023 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 16024 16025 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16026 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 16027 mHandler.sendMessage(msg); 16028 16029 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16030 for (int i = 0; i < childCount; i++) { 16031 PackageParser.Package childPkg = pkg.childPackages.get(i); 16032 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16033 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 16034 mHandler.sendMessage(msg); 16035 } 16036 } 16037 16038 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 16039 PackageParser.Package pkg) { 16040 int size = pkg.activities.size(); 16041 if (size == 0) { 16042 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16043 "No activity, so no need to verify any IntentFilter!"); 16044 return; 16045 } 16046 16047 final boolean hasDomainURLs = hasDomainURLs(pkg); 16048 if (!hasDomainURLs) { 16049 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16050 "No domain URLs, so no need to verify any IntentFilter!"); 16051 return; 16052 } 16053 16054 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 16055 + " if any IntentFilter from the " + size 16056 + " Activities needs verification ..."); 16057 16058 int count = 0; 16059 final String packageName = pkg.packageName; 16060 16061 synchronized (mPackages) { 16062 // If this is a new install and we see that we've already run verification for this 16063 // package, we have nothing to do: it means the state was restored from backup. 16064 if (!replacing) { 16065 IntentFilterVerificationInfo ivi = 16066 mSettings.getIntentFilterVerificationLPr(packageName); 16067 if (ivi != null) { 16068 if (DEBUG_DOMAIN_VERIFICATION) { 16069 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 16070 + ivi.getStatusString()); 16071 } 16072 return; 16073 } 16074 } 16075 16076 // If any filters need to be verified, then all need to be. 16077 boolean needToVerify = false; 16078 for (PackageParser.Activity a : pkg.activities) { 16079 for (ActivityIntentInfo filter : a.intents) { 16080 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 16081 if (DEBUG_DOMAIN_VERIFICATION) { 16082 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 16083 } 16084 needToVerify = true; 16085 break; 16086 } 16087 } 16088 } 16089 16090 if (needToVerify) { 16091 final int verificationId = mIntentFilterVerificationToken++; 16092 for (PackageParser.Activity a : pkg.activities) { 16093 for (ActivityIntentInfo filter : a.intents) { 16094 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 16095 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16096 "Verification needed for IntentFilter:" + filter.toString()); 16097 mIntentFilterVerifier.addOneIntentFilterVerification( 16098 verifierUid, userId, verificationId, filter, packageName); 16099 count++; 16100 } 16101 } 16102 } 16103 } 16104 } 16105 16106 if (count > 0) { 16107 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 16108 + " IntentFilter verification" + (count > 1 ? "s" : "") 16109 + " for userId:" + userId); 16110 mIntentFilterVerifier.startVerifications(userId); 16111 } else { 16112 if (DEBUG_DOMAIN_VERIFICATION) { 16113 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 16114 } 16115 } 16116 } 16117 16118 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 16119 final ComponentName cn = filter.activity.getComponentName(); 16120 final String packageName = cn.getPackageName(); 16121 16122 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 16123 packageName); 16124 if (ivi == null) { 16125 return true; 16126 } 16127 int status = ivi.getStatus(); 16128 switch (status) { 16129 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 16130 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 16131 return true; 16132 16133 default: 16134 // Nothing to do 16135 return false; 16136 } 16137 } 16138 16139 private static boolean isMultiArch(ApplicationInfo info) { 16140 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 16141 } 16142 16143 private static boolean isExternal(PackageParser.Package pkg) { 16144 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 16145 } 16146 16147 private static boolean isExternal(PackageSetting ps) { 16148 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 16149 } 16150 16151 private static boolean isEphemeral(PackageParser.Package pkg) { 16152 return pkg.applicationInfo.isEphemeralApp(); 16153 } 16154 16155 private static boolean isEphemeral(PackageSetting ps) { 16156 return ps.pkg != null && isEphemeral(ps.pkg); 16157 } 16158 16159 private static boolean isSystemApp(PackageParser.Package pkg) { 16160 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 16161 } 16162 16163 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 16164 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 16165 } 16166 16167 private static boolean hasDomainURLs(PackageParser.Package pkg) { 16168 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 16169 } 16170 16171 private static boolean isSystemApp(PackageSetting ps) { 16172 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 16173 } 16174 16175 private static boolean isUpdatedSystemApp(PackageSetting ps) { 16176 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 16177 } 16178 16179 private int packageFlagsToInstallFlags(PackageSetting ps) { 16180 int installFlags = 0; 16181 if (isEphemeral(ps)) { 16182 installFlags |= PackageManager.INSTALL_EPHEMERAL; 16183 } 16184 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 16185 // This existing package was an external ASEC install when we have 16186 // the external flag without a UUID 16187 installFlags |= PackageManager.INSTALL_EXTERNAL; 16188 } 16189 if (ps.isForwardLocked()) { 16190 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 16191 } 16192 return installFlags; 16193 } 16194 16195 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 16196 if (isExternal(pkg)) { 16197 if (TextUtils.isEmpty(pkg.volumeUuid)) { 16198 return StorageManager.UUID_PRIMARY_PHYSICAL; 16199 } else { 16200 return pkg.volumeUuid; 16201 } 16202 } else { 16203 return StorageManager.UUID_PRIVATE_INTERNAL; 16204 } 16205 } 16206 16207 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 16208 if (isExternal(pkg)) { 16209 if (TextUtils.isEmpty(pkg.volumeUuid)) { 16210 return mSettings.getExternalVersion(); 16211 } else { 16212 return mSettings.findOrCreateVersion(pkg.volumeUuid); 16213 } 16214 } else { 16215 return mSettings.getInternalVersion(); 16216 } 16217 } 16218 16219 private void deleteTempPackageFiles() { 16220 final FilenameFilter filter = new FilenameFilter() { 16221 public boolean accept(File dir, String name) { 16222 return name.startsWith("vmdl") && name.endsWith(".tmp"); 16223 } 16224 }; 16225 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 16226 file.delete(); 16227 } 16228 } 16229 16230 @Override 16231 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 16232 int flags) { 16233 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 16234 flags); 16235 } 16236 16237 @Override 16238 public void deletePackage(final String packageName, 16239 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 16240 mContext.enforceCallingOrSelfPermission( 16241 android.Manifest.permission.DELETE_PACKAGES, null); 16242 Preconditions.checkNotNull(packageName); 16243 Preconditions.checkNotNull(observer); 16244 final int uid = Binder.getCallingUid(); 16245 if (!isOrphaned(packageName) 16246 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 16247 try { 16248 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 16249 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 16250 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 16251 observer.onUserActionRequired(intent); 16252 } catch (RemoteException re) { 16253 } 16254 return; 16255 } 16256 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 16257 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 16258 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 16259 mContext.enforceCallingOrSelfPermission( 16260 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 16261 "deletePackage for user " + userId); 16262 } 16263 16264 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 16265 try { 16266 observer.onPackageDeleted(packageName, 16267 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 16268 } catch (RemoteException re) { 16269 } 16270 return; 16271 } 16272 16273 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 16274 try { 16275 observer.onPackageDeleted(packageName, 16276 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 16277 } catch (RemoteException re) { 16278 } 16279 return; 16280 } 16281 16282 if (DEBUG_REMOVE) { 16283 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 16284 + " deleteAllUsers: " + deleteAllUsers ); 16285 } 16286 // Queue up an async operation since the package deletion may take a little while. 16287 mHandler.post(new Runnable() { 16288 public void run() { 16289 mHandler.removeCallbacks(this); 16290 int returnCode; 16291 if (!deleteAllUsers) { 16292 returnCode = deletePackageX(packageName, userId, deleteFlags); 16293 } else { 16294 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 16295 // If nobody is blocking uninstall, proceed with delete for all users 16296 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 16297 returnCode = deletePackageX(packageName, userId, deleteFlags); 16298 } else { 16299 // Otherwise uninstall individually for users with blockUninstalls=false 16300 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 16301 for (int userId : users) { 16302 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 16303 returnCode = deletePackageX(packageName, userId, userFlags); 16304 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 16305 Slog.w(TAG, "Package delete failed for user " + userId 16306 + ", returnCode " + returnCode); 16307 } 16308 } 16309 } 16310 // The app has only been marked uninstalled for certain users. 16311 // We still need to report that delete was blocked 16312 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 16313 } 16314 } 16315 try { 16316 observer.onPackageDeleted(packageName, returnCode, null); 16317 } catch (RemoteException e) { 16318 Log.i(TAG, "Observer no longer exists."); 16319 } //end catch 16320 } //end run 16321 }); 16322 } 16323 16324 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 16325 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 16326 || callingUid == Process.SYSTEM_UID) { 16327 return true; 16328 } 16329 final int callingUserId = UserHandle.getUserId(callingUid); 16330 // If the caller installed the pkgName, then allow it to silently uninstall. 16331 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 16332 return true; 16333 } 16334 16335 // Allow package verifier to silently uninstall. 16336 if (mRequiredVerifierPackage != null && 16337 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 16338 return true; 16339 } 16340 16341 // Allow package uninstaller to silently uninstall. 16342 if (mRequiredUninstallerPackage != null && 16343 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 16344 return true; 16345 } 16346 16347 // Allow storage manager to silently uninstall. 16348 if (mStorageManagerPackage != null && 16349 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 16350 return true; 16351 } 16352 return false; 16353 } 16354 16355 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 16356 int[] result = EMPTY_INT_ARRAY; 16357 for (int userId : userIds) { 16358 if (getBlockUninstallForUser(packageName, userId)) { 16359 result = ArrayUtils.appendInt(result, userId); 16360 } 16361 } 16362 return result; 16363 } 16364 16365 @Override 16366 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 16367 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 16368 } 16369 16370 private boolean isPackageDeviceAdmin(String packageName, int userId) { 16371 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 16372 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 16373 try { 16374 if (dpm != null) { 16375 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 16376 /* callingUserOnly =*/ false); 16377 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 16378 : deviceOwnerComponentName.getPackageName(); 16379 // Does the package contains the device owner? 16380 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 16381 // this check is probably not needed, since DO should be registered as a device 16382 // admin on some user too. (Original bug for this: b/17657954) 16383 if (packageName.equals(deviceOwnerPackageName)) { 16384 return true; 16385 } 16386 // Does it contain a device admin for any user? 16387 int[] users; 16388 if (userId == UserHandle.USER_ALL) { 16389 users = sUserManager.getUserIds(); 16390 } else { 16391 users = new int[]{userId}; 16392 } 16393 for (int i = 0; i < users.length; ++i) { 16394 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 16395 return true; 16396 } 16397 } 16398 } 16399 } catch (RemoteException e) { 16400 } 16401 return false; 16402 } 16403 16404 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 16405 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 16406 } 16407 16408 /** 16409 * This method is an internal method that could be get invoked either 16410 * to delete an installed package or to clean up a failed installation. 16411 * After deleting an installed package, a broadcast is sent to notify any 16412 * listeners that the package has been removed. For cleaning up a failed 16413 * installation, the broadcast is not necessary since the package's 16414 * installation wouldn't have sent the initial broadcast either 16415 * The key steps in deleting a package are 16416 * deleting the package information in internal structures like mPackages, 16417 * deleting the packages base directories through installd 16418 * updating mSettings to reflect current status 16419 * persisting settings for later use 16420 * sending a broadcast if necessary 16421 */ 16422 private int deletePackageX(String packageName, int userId, int deleteFlags) { 16423 final PackageRemovedInfo info = new PackageRemovedInfo(); 16424 final boolean res; 16425 16426 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 16427 ? UserHandle.USER_ALL : userId; 16428 16429 if (isPackageDeviceAdmin(packageName, removeUser)) { 16430 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 16431 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 16432 } 16433 16434 PackageSetting uninstalledPs = null; 16435 16436 // for the uninstall-updates case and restricted profiles, remember the per- 16437 // user handle installed state 16438 int[] allUsers; 16439 synchronized (mPackages) { 16440 uninstalledPs = mSettings.mPackages.get(packageName); 16441 if (uninstalledPs == null) { 16442 Slog.w(TAG, "Not removing non-existent package " + packageName); 16443 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 16444 } 16445 allUsers = sUserManager.getUserIds(); 16446 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 16447 } 16448 16449 final int freezeUser; 16450 if (isUpdatedSystemApp(uninstalledPs) 16451 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 16452 // We're downgrading a system app, which will apply to all users, so 16453 // freeze them all during the downgrade 16454 freezeUser = UserHandle.USER_ALL; 16455 } else { 16456 freezeUser = removeUser; 16457 } 16458 16459 synchronized (mInstallLock) { 16460 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 16461 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 16462 deleteFlags, "deletePackageX")) { 16463 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 16464 deleteFlags | REMOVE_CHATTY, info, true, null); 16465 } 16466 synchronized (mPackages) { 16467 if (res) { 16468 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 16469 } 16470 } 16471 } 16472 16473 if (res) { 16474 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 16475 info.sendPackageRemovedBroadcasts(killApp); 16476 info.sendSystemPackageUpdatedBroadcasts(); 16477 info.sendSystemPackageAppearedBroadcasts(); 16478 } 16479 // Force a gc here. 16480 Runtime.getRuntime().gc(); 16481 // Delete the resources here after sending the broadcast to let 16482 // other processes clean up before deleting resources. 16483 if (info.args != null) { 16484 synchronized (mInstallLock) { 16485 info.args.doPostDeleteLI(true); 16486 } 16487 } 16488 16489 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 16490 } 16491 16492 class PackageRemovedInfo { 16493 String removedPackage; 16494 int uid = -1; 16495 int removedAppId = -1; 16496 int[] origUsers; 16497 int[] removedUsers = null; 16498 SparseArray<Integer> installReasons; 16499 boolean isRemovedPackageSystemUpdate = false; 16500 boolean isUpdate; 16501 boolean dataRemoved; 16502 boolean removedForAllUsers; 16503 // Clean up resources deleted packages. 16504 InstallArgs args = null; 16505 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 16506 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 16507 16508 void sendPackageRemovedBroadcasts(boolean killApp) { 16509 sendPackageRemovedBroadcastInternal(killApp); 16510 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 16511 for (int i = 0; i < childCount; i++) { 16512 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 16513 childInfo.sendPackageRemovedBroadcastInternal(killApp); 16514 } 16515 } 16516 16517 void sendSystemPackageUpdatedBroadcasts() { 16518 if (isRemovedPackageSystemUpdate) { 16519 sendSystemPackageUpdatedBroadcastsInternal(); 16520 final int childCount = (removedChildPackages != null) 16521 ? removedChildPackages.size() : 0; 16522 for (int i = 0; i < childCount; i++) { 16523 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 16524 if (childInfo.isRemovedPackageSystemUpdate) { 16525 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 16526 } 16527 } 16528 } 16529 } 16530 16531 void sendSystemPackageAppearedBroadcasts() { 16532 final int packageCount = (appearedChildPackages != null) 16533 ? appearedChildPackages.size() : 0; 16534 for (int i = 0; i < packageCount; i++) { 16535 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 16536 sendPackageAddedForNewUsers(installedInfo.name, true, 16537 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 16538 } 16539 } 16540 16541 private void sendSystemPackageUpdatedBroadcastsInternal() { 16542 Bundle extras = new Bundle(2); 16543 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 16544 extras.putBoolean(Intent.EXTRA_REPLACING, true); 16545 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 16546 extras, 0, null, null, null); 16547 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 16548 extras, 0, null, null, null); 16549 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 16550 null, 0, removedPackage, null, null); 16551 } 16552 16553 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 16554 Bundle extras = new Bundle(2); 16555 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 16556 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 16557 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 16558 if (isUpdate || isRemovedPackageSystemUpdate) { 16559 extras.putBoolean(Intent.EXTRA_REPLACING, true); 16560 } 16561 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 16562 if (removedPackage != null) { 16563 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 16564 extras, 0, null, null, removedUsers); 16565 if (dataRemoved && !isRemovedPackageSystemUpdate) { 16566 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 16567 removedPackage, extras, 0, null, null, removedUsers); 16568 } 16569 } 16570 if (removedAppId >= 0) { 16571 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 16572 removedUsers); 16573 } 16574 } 16575 } 16576 16577 /* 16578 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 16579 * flag is not set, the data directory is removed as well. 16580 * make sure this flag is set for partially installed apps. If not its meaningless to 16581 * delete a partially installed application. 16582 */ 16583 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 16584 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 16585 String packageName = ps.name; 16586 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 16587 // Retrieve object to delete permissions for shared user later on 16588 final PackageParser.Package deletedPkg; 16589 final PackageSetting deletedPs; 16590 // reader 16591 synchronized (mPackages) { 16592 deletedPkg = mPackages.get(packageName); 16593 deletedPs = mSettings.mPackages.get(packageName); 16594 if (outInfo != null) { 16595 outInfo.removedPackage = packageName; 16596 outInfo.removedUsers = deletedPs != null 16597 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 16598 : null; 16599 } 16600 } 16601 16602 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 16603 16604 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 16605 final PackageParser.Package resolvedPkg; 16606 if (deletedPkg != null) { 16607 resolvedPkg = deletedPkg; 16608 } else { 16609 // We don't have a parsed package when it lives on an ejected 16610 // adopted storage device, so fake something together 16611 resolvedPkg = new PackageParser.Package(ps.name); 16612 resolvedPkg.setVolumeUuid(ps.volumeUuid); 16613 } 16614 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 16615 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16616 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 16617 if (outInfo != null) { 16618 outInfo.dataRemoved = true; 16619 } 16620 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 16621 } 16622 16623 // writer 16624 synchronized (mPackages) { 16625 if (deletedPs != null) { 16626 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 16627 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 16628 clearDefaultBrowserIfNeeded(packageName); 16629 if (outInfo != null) { 16630 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 16631 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 16632 } 16633 updatePermissionsLPw(deletedPs.name, null, 0); 16634 if (deletedPs.sharedUser != null) { 16635 // Remove permissions associated with package. Since runtime 16636 // permissions are per user we have to kill the removed package 16637 // or packages running under the shared user of the removed 16638 // package if revoking the permissions requested only by the removed 16639 // package is successful and this causes a change in gids. 16640 for (int userId : UserManagerService.getInstance().getUserIds()) { 16641 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 16642 userId); 16643 if (userIdToKill == UserHandle.USER_ALL 16644 || userIdToKill >= UserHandle.USER_SYSTEM) { 16645 // If gids changed for this user, kill all affected packages. 16646 mHandler.post(new Runnable() { 16647 @Override 16648 public void run() { 16649 // This has to happen with no lock held. 16650 killApplication(deletedPs.name, deletedPs.appId, 16651 KILL_APP_REASON_GIDS_CHANGED); 16652 } 16653 }); 16654 break; 16655 } 16656 } 16657 } 16658 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 16659 } 16660 // make sure to preserve per-user disabled state if this removal was just 16661 // a downgrade of a system app to the factory package 16662 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 16663 if (DEBUG_REMOVE) { 16664 Slog.d(TAG, "Propagating install state across downgrade"); 16665 } 16666 for (int userId : allUserHandles) { 16667 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16668 if (DEBUG_REMOVE) { 16669 Slog.d(TAG, " user " + userId + " => " + installed); 16670 } 16671 ps.setInstalled(installed, userId); 16672 } 16673 } 16674 } 16675 // can downgrade to reader 16676 if (writeSettings) { 16677 // Save settings now 16678 mSettings.writeLPr(); 16679 } 16680 } 16681 if (outInfo != null) { 16682 // A user ID was deleted here. Go through all users and remove it 16683 // from KeyStore. 16684 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 16685 } 16686 } 16687 16688 static boolean locationIsPrivileged(File path) { 16689 try { 16690 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 16691 .getCanonicalPath(); 16692 return path.getCanonicalPath().startsWith(privilegedAppDir); 16693 } catch (IOException e) { 16694 Slog.e(TAG, "Unable to access code path " + path); 16695 } 16696 return false; 16697 } 16698 16699 /* 16700 * Tries to delete system package. 16701 */ 16702 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 16703 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 16704 boolean writeSettings) { 16705 if (deletedPs.parentPackageName != null) { 16706 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 16707 return false; 16708 } 16709 16710 final boolean applyUserRestrictions 16711 = (allUserHandles != null) && (outInfo.origUsers != null); 16712 final PackageSetting disabledPs; 16713 // Confirm if the system package has been updated 16714 // An updated system app can be deleted. This will also have to restore 16715 // the system pkg from system partition 16716 // reader 16717 synchronized (mPackages) { 16718 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 16719 } 16720 16721 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 16722 + " disabledPs=" + disabledPs); 16723 16724 if (disabledPs == null) { 16725 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 16726 return false; 16727 } else if (DEBUG_REMOVE) { 16728 Slog.d(TAG, "Deleting system pkg from data partition"); 16729 } 16730 16731 if (DEBUG_REMOVE) { 16732 if (applyUserRestrictions) { 16733 Slog.d(TAG, "Remembering install states:"); 16734 for (int userId : allUserHandles) { 16735 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 16736 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 16737 } 16738 } 16739 } 16740 16741 // Delete the updated package 16742 outInfo.isRemovedPackageSystemUpdate = true; 16743 if (outInfo.removedChildPackages != null) { 16744 final int childCount = (deletedPs.childPackageNames != null) 16745 ? deletedPs.childPackageNames.size() : 0; 16746 for (int i = 0; i < childCount; i++) { 16747 String childPackageName = deletedPs.childPackageNames.get(i); 16748 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 16749 .contains(childPackageName)) { 16750 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16751 childPackageName); 16752 if (childInfo != null) { 16753 childInfo.isRemovedPackageSystemUpdate = true; 16754 } 16755 } 16756 } 16757 } 16758 16759 if (disabledPs.versionCode < deletedPs.versionCode) { 16760 // Delete data for downgrades 16761 flags &= ~PackageManager.DELETE_KEEP_DATA; 16762 } else { 16763 // Preserve data by setting flag 16764 flags |= PackageManager.DELETE_KEEP_DATA; 16765 } 16766 16767 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 16768 outInfo, writeSettings, disabledPs.pkg); 16769 if (!ret) { 16770 return false; 16771 } 16772 16773 // writer 16774 synchronized (mPackages) { 16775 // Reinstate the old system package 16776 enableSystemPackageLPw(disabledPs.pkg); 16777 // Remove any native libraries from the upgraded package. 16778 removeNativeBinariesLI(deletedPs); 16779 } 16780 16781 // Install the system package 16782 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 16783 int parseFlags = mDefParseFlags 16784 | PackageParser.PARSE_MUST_BE_APK 16785 | PackageParser.PARSE_IS_SYSTEM 16786 | PackageParser.PARSE_IS_SYSTEM_DIR; 16787 if (locationIsPrivileged(disabledPs.codePath)) { 16788 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16789 } 16790 16791 final PackageParser.Package newPkg; 16792 try { 16793 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 16794 0 /* currentTime */, null); 16795 } catch (PackageManagerException e) { 16796 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16797 + e.getMessage()); 16798 return false; 16799 } 16800 try { 16801 // update shared libraries for the newly re-installed system package 16802 updateSharedLibrariesLPr(newPkg, null); 16803 } catch (PackageManagerException e) { 16804 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16805 } 16806 16807 prepareAppDataAfterInstallLIF(newPkg); 16808 16809 // writer 16810 synchronized (mPackages) { 16811 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16812 16813 // Propagate the permissions state as we do not want to drop on the floor 16814 // runtime permissions. The update permissions method below will take 16815 // care of removing obsolete permissions and grant install permissions. 16816 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16817 updatePermissionsLPw(newPkg.packageName, newPkg, 16818 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16819 16820 if (applyUserRestrictions) { 16821 if (DEBUG_REMOVE) { 16822 Slog.d(TAG, "Propagating install state across reinstall"); 16823 } 16824 for (int userId : allUserHandles) { 16825 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16826 if (DEBUG_REMOVE) { 16827 Slog.d(TAG, " user " + userId + " => " + installed); 16828 } 16829 ps.setInstalled(installed, userId); 16830 16831 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16832 } 16833 // Regardless of writeSettings we need to ensure that this restriction 16834 // state propagation is persisted 16835 mSettings.writeAllUsersPackageRestrictionsLPr(); 16836 } 16837 // can downgrade to reader here 16838 if (writeSettings) { 16839 mSettings.writeLPr(); 16840 } 16841 } 16842 return true; 16843 } 16844 16845 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16846 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16847 PackageRemovedInfo outInfo, boolean writeSettings, 16848 PackageParser.Package replacingPackage) { 16849 synchronized (mPackages) { 16850 if (outInfo != null) { 16851 outInfo.uid = ps.appId; 16852 } 16853 16854 if (outInfo != null && outInfo.removedChildPackages != null) { 16855 final int childCount = (ps.childPackageNames != null) 16856 ? ps.childPackageNames.size() : 0; 16857 for (int i = 0; i < childCount; i++) { 16858 String childPackageName = ps.childPackageNames.get(i); 16859 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16860 if (childPs == null) { 16861 return false; 16862 } 16863 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16864 childPackageName); 16865 if (childInfo != null) { 16866 childInfo.uid = childPs.appId; 16867 } 16868 } 16869 } 16870 } 16871 16872 // Delete package data from internal structures and also remove data if flag is set 16873 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16874 16875 // Delete the child packages data 16876 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16877 for (int i = 0; i < childCount; i++) { 16878 PackageSetting childPs; 16879 synchronized (mPackages) { 16880 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16881 } 16882 if (childPs != null) { 16883 PackageRemovedInfo childOutInfo = (outInfo != null 16884 && outInfo.removedChildPackages != null) 16885 ? outInfo.removedChildPackages.get(childPs.name) : null; 16886 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16887 && (replacingPackage != null 16888 && !replacingPackage.hasChildPackage(childPs.name)) 16889 ? flags & ~DELETE_KEEP_DATA : flags; 16890 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16891 deleteFlags, writeSettings); 16892 } 16893 } 16894 16895 // Delete application code and resources only for parent packages 16896 if (ps.parentPackageName == null) { 16897 if (deleteCodeAndResources && (outInfo != null)) { 16898 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16899 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16900 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16901 } 16902 } 16903 16904 return true; 16905 } 16906 16907 @Override 16908 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16909 int userId) { 16910 mContext.enforceCallingOrSelfPermission( 16911 android.Manifest.permission.DELETE_PACKAGES, null); 16912 synchronized (mPackages) { 16913 PackageSetting ps = mSettings.mPackages.get(packageName); 16914 if (ps == null) { 16915 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16916 return false; 16917 } 16918 if (!ps.getInstalled(userId)) { 16919 // Can't block uninstall for an app that is not installed or enabled. 16920 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16921 return false; 16922 } 16923 ps.setBlockUninstall(blockUninstall, userId); 16924 mSettings.writePackageRestrictionsLPr(userId); 16925 } 16926 return true; 16927 } 16928 16929 @Override 16930 public boolean getBlockUninstallForUser(String packageName, int userId) { 16931 synchronized (mPackages) { 16932 PackageSetting ps = mSettings.mPackages.get(packageName); 16933 if (ps == null) { 16934 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16935 return false; 16936 } 16937 return ps.getBlockUninstall(userId); 16938 } 16939 } 16940 16941 @Override 16942 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16943 int callingUid = Binder.getCallingUid(); 16944 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16945 throw new SecurityException( 16946 "setRequiredForSystemUser can only be run by the system or root"); 16947 } 16948 synchronized (mPackages) { 16949 PackageSetting ps = mSettings.mPackages.get(packageName); 16950 if (ps == null) { 16951 Log.w(TAG, "Package doesn't exist: " + packageName); 16952 return false; 16953 } 16954 if (systemUserApp) { 16955 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16956 } else { 16957 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16958 } 16959 mSettings.writeLPr(); 16960 } 16961 return true; 16962 } 16963 16964 /* 16965 * This method handles package deletion in general 16966 */ 16967 private boolean deletePackageLIF(String packageName, UserHandle user, 16968 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16969 PackageRemovedInfo outInfo, boolean writeSettings, 16970 PackageParser.Package replacingPackage) { 16971 if (packageName == null) { 16972 Slog.w(TAG, "Attempt to delete null packageName."); 16973 return false; 16974 } 16975 16976 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16977 16978 PackageSetting ps; 16979 16980 synchronized (mPackages) { 16981 ps = mSettings.mPackages.get(packageName); 16982 if (ps == null) { 16983 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16984 return false; 16985 } 16986 16987 if (ps.parentPackageName != null && (!isSystemApp(ps) 16988 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16989 if (DEBUG_REMOVE) { 16990 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16991 + ((user == null) ? UserHandle.USER_ALL : user)); 16992 } 16993 final int removedUserId = (user != null) ? user.getIdentifier() 16994 : UserHandle.USER_ALL; 16995 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16996 return false; 16997 } 16998 markPackageUninstalledForUserLPw(ps, user); 16999 scheduleWritePackageRestrictionsLocked(user); 17000 return true; 17001 } 17002 } 17003 17004 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 17005 && user.getIdentifier() != UserHandle.USER_ALL)) { 17006 // The caller is asking that the package only be deleted for a single 17007 // user. To do this, we just mark its uninstalled state and delete 17008 // its data. If this is a system app, we only allow this to happen if 17009 // they have set the special DELETE_SYSTEM_APP which requests different 17010 // semantics than normal for uninstalling system apps. 17011 markPackageUninstalledForUserLPw(ps, user); 17012 17013 if (!isSystemApp(ps)) { 17014 // Do not uninstall the APK if an app should be cached 17015 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 17016 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 17017 // Other user still have this package installed, so all 17018 // we need to do is clear this user's data and save that 17019 // it is uninstalled. 17020 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 17021 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 17022 return false; 17023 } 17024 scheduleWritePackageRestrictionsLocked(user); 17025 return true; 17026 } else { 17027 // We need to set it back to 'installed' so the uninstall 17028 // broadcasts will be sent correctly. 17029 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 17030 ps.setInstalled(true, user.getIdentifier()); 17031 } 17032 } else { 17033 // This is a system app, so we assume that the 17034 // other users still have this package installed, so all 17035 // we need to do is clear this user's data and save that 17036 // it is uninstalled. 17037 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 17038 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 17039 return false; 17040 } 17041 scheduleWritePackageRestrictionsLocked(user); 17042 return true; 17043 } 17044 } 17045 17046 // If we are deleting a composite package for all users, keep track 17047 // of result for each child. 17048 if (ps.childPackageNames != null && outInfo != null) { 17049 synchronized (mPackages) { 17050 final int childCount = ps.childPackageNames.size(); 17051 outInfo.removedChildPackages = new ArrayMap<>(childCount); 17052 for (int i = 0; i < childCount; i++) { 17053 String childPackageName = ps.childPackageNames.get(i); 17054 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 17055 childInfo.removedPackage = childPackageName; 17056 outInfo.removedChildPackages.put(childPackageName, childInfo); 17057 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 17058 if (childPs != null) { 17059 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 17060 } 17061 } 17062 } 17063 } 17064 17065 boolean ret = false; 17066 if (isSystemApp(ps)) { 17067 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 17068 // When an updated system application is deleted we delete the existing resources 17069 // as well and fall back to existing code in system partition 17070 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 17071 } else { 17072 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 17073 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 17074 outInfo, writeSettings, replacingPackage); 17075 } 17076 17077 // Take a note whether we deleted the package for all users 17078 if (outInfo != null) { 17079 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 17080 if (outInfo.removedChildPackages != null) { 17081 synchronized (mPackages) { 17082 final int childCount = outInfo.removedChildPackages.size(); 17083 for (int i = 0; i < childCount; i++) { 17084 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 17085 if (childInfo != null) { 17086 childInfo.removedForAllUsers = mPackages.get( 17087 childInfo.removedPackage) == null; 17088 } 17089 } 17090 } 17091 } 17092 // If we uninstalled an update to a system app there may be some 17093 // child packages that appeared as they are declared in the system 17094 // app but were not declared in the update. 17095 if (isSystemApp(ps)) { 17096 synchronized (mPackages) { 17097 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 17098 final int childCount = (updatedPs.childPackageNames != null) 17099 ? updatedPs.childPackageNames.size() : 0; 17100 for (int i = 0; i < childCount; i++) { 17101 String childPackageName = updatedPs.childPackageNames.get(i); 17102 if (outInfo.removedChildPackages == null 17103 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 17104 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 17105 if (childPs == null) { 17106 continue; 17107 } 17108 PackageInstalledInfo installRes = new PackageInstalledInfo(); 17109 installRes.name = childPackageName; 17110 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 17111 installRes.pkg = mPackages.get(childPackageName); 17112 installRes.uid = childPs.pkg.applicationInfo.uid; 17113 if (outInfo.appearedChildPackages == null) { 17114 outInfo.appearedChildPackages = new ArrayMap<>(); 17115 } 17116 outInfo.appearedChildPackages.put(childPackageName, installRes); 17117 } 17118 } 17119 } 17120 } 17121 } 17122 17123 return ret; 17124 } 17125 17126 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 17127 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 17128 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 17129 for (int nextUserId : userIds) { 17130 if (DEBUG_REMOVE) { 17131 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 17132 } 17133 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 17134 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 17135 false /*hidden*/, false /*suspended*/, null, null, null, 17136 false /*blockUninstall*/, 17137 ps.readUserState(nextUserId).domainVerificationStatus, 0, 17138 PackageManager.INSTALL_REASON_UNKNOWN); 17139 } 17140 } 17141 17142 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 17143 PackageRemovedInfo outInfo) { 17144 final PackageParser.Package pkg; 17145 synchronized (mPackages) { 17146 pkg = mPackages.get(ps.name); 17147 } 17148 17149 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 17150 : new int[] {userId}; 17151 for (int nextUserId : userIds) { 17152 if (DEBUG_REMOVE) { 17153 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 17154 + nextUserId); 17155 } 17156 17157 destroyAppDataLIF(pkg, userId, 17158 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17159 destroyAppProfilesLIF(pkg, userId); 17160 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 17161 schedulePackageCleaning(ps.name, nextUserId, false); 17162 synchronized (mPackages) { 17163 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 17164 scheduleWritePackageRestrictionsLocked(nextUserId); 17165 } 17166 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 17167 } 17168 } 17169 17170 if (outInfo != null) { 17171 outInfo.removedPackage = ps.name; 17172 outInfo.removedAppId = ps.appId; 17173 outInfo.removedUsers = userIds; 17174 } 17175 17176 return true; 17177 } 17178 17179 private final class ClearStorageConnection implements ServiceConnection { 17180 IMediaContainerService mContainerService; 17181 17182 @Override 17183 public void onServiceConnected(ComponentName name, IBinder service) { 17184 synchronized (this) { 17185 mContainerService = IMediaContainerService.Stub 17186 .asInterface(Binder.allowBlocking(service)); 17187 notifyAll(); 17188 } 17189 } 17190 17191 @Override 17192 public void onServiceDisconnected(ComponentName name) { 17193 } 17194 } 17195 17196 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 17197 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 17198 17199 final boolean mounted; 17200 if (Environment.isExternalStorageEmulated()) { 17201 mounted = true; 17202 } else { 17203 final String status = Environment.getExternalStorageState(); 17204 17205 mounted = status.equals(Environment.MEDIA_MOUNTED) 17206 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 17207 } 17208 17209 if (!mounted) { 17210 return; 17211 } 17212 17213 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 17214 int[] users; 17215 if (userId == UserHandle.USER_ALL) { 17216 users = sUserManager.getUserIds(); 17217 } else { 17218 users = new int[] { userId }; 17219 } 17220 final ClearStorageConnection conn = new ClearStorageConnection(); 17221 if (mContext.bindServiceAsUser( 17222 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 17223 try { 17224 for (int curUser : users) { 17225 long timeout = SystemClock.uptimeMillis() + 5000; 17226 synchronized (conn) { 17227 long now; 17228 while (conn.mContainerService == null && 17229 (now = SystemClock.uptimeMillis()) < timeout) { 17230 try { 17231 conn.wait(timeout - now); 17232 } catch (InterruptedException e) { 17233 } 17234 } 17235 } 17236 if (conn.mContainerService == null) { 17237 return; 17238 } 17239 17240 final UserEnvironment userEnv = new UserEnvironment(curUser); 17241 clearDirectory(conn.mContainerService, 17242 userEnv.buildExternalStorageAppCacheDirs(packageName)); 17243 if (allData) { 17244 clearDirectory(conn.mContainerService, 17245 userEnv.buildExternalStorageAppDataDirs(packageName)); 17246 clearDirectory(conn.mContainerService, 17247 userEnv.buildExternalStorageAppMediaDirs(packageName)); 17248 } 17249 } 17250 } finally { 17251 mContext.unbindService(conn); 17252 } 17253 } 17254 } 17255 17256 @Override 17257 public void clearApplicationProfileData(String packageName) { 17258 enforceSystemOrRoot("Only the system can clear all profile data"); 17259 17260 final PackageParser.Package pkg; 17261 synchronized (mPackages) { 17262 pkg = mPackages.get(packageName); 17263 } 17264 17265 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 17266 synchronized (mInstallLock) { 17267 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 17268 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 17269 true /* removeBaseMarker */); 17270 } 17271 } 17272 } 17273 17274 @Override 17275 public void clearApplicationUserData(final String packageName, 17276 final IPackageDataObserver observer, final int userId) { 17277 mContext.enforceCallingOrSelfPermission( 17278 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 17279 17280 enforceCrossUserPermission(Binder.getCallingUid(), userId, 17281 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 17282 17283 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 17284 throw new SecurityException("Cannot clear data for a protected package: " 17285 + packageName); 17286 } 17287 // Queue up an async operation since the package deletion may take a little while. 17288 mHandler.post(new Runnable() { 17289 public void run() { 17290 mHandler.removeCallbacks(this); 17291 final boolean succeeded; 17292 try (PackageFreezer freezer = freezePackage(packageName, 17293 "clearApplicationUserData")) { 17294 synchronized (mInstallLock) { 17295 succeeded = clearApplicationUserDataLIF(packageName, userId); 17296 } 17297 clearExternalStorageDataSync(packageName, userId, true); 17298 } 17299 if (succeeded) { 17300 // invoke DeviceStorageMonitor's update method to clear any notifications 17301 DeviceStorageMonitorInternal dsm = LocalServices 17302 .getService(DeviceStorageMonitorInternal.class); 17303 if (dsm != null) { 17304 dsm.checkMemory(); 17305 } 17306 } 17307 if(observer != null) { 17308 try { 17309 observer.onRemoveCompleted(packageName, succeeded); 17310 } catch (RemoteException e) { 17311 Log.i(TAG, "Observer no longer exists."); 17312 } 17313 } //end if observer 17314 } //end run 17315 }); 17316 } 17317 17318 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 17319 if (packageName == null) { 17320 Slog.w(TAG, "Attempt to delete null packageName."); 17321 return false; 17322 } 17323 17324 // Try finding details about the requested package 17325 PackageParser.Package pkg; 17326 synchronized (mPackages) { 17327 pkg = mPackages.get(packageName); 17328 if (pkg == null) { 17329 final PackageSetting ps = mSettings.mPackages.get(packageName); 17330 if (ps != null) { 17331 pkg = ps.pkg; 17332 } 17333 } 17334 17335 if (pkg == null) { 17336 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 17337 return false; 17338 } 17339 17340 PackageSetting ps = (PackageSetting) pkg.mExtras; 17341 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 17342 } 17343 17344 clearAppDataLIF(pkg, userId, 17345 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17346 17347 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 17348 removeKeystoreDataIfNeeded(userId, appId); 17349 17350 UserManagerInternal umInternal = getUserManagerInternal(); 17351 final int flags; 17352 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 17353 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 17354 } else if (umInternal.isUserRunning(userId)) { 17355 flags = StorageManager.FLAG_STORAGE_DE; 17356 } else { 17357 flags = 0; 17358 } 17359 prepareAppDataContentsLIF(pkg, userId, flags); 17360 17361 return true; 17362 } 17363 17364 /** 17365 * Reverts user permission state changes (permissions and flags) in 17366 * all packages for a given user. 17367 * 17368 * @param userId The device user for which to do a reset. 17369 */ 17370 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 17371 final int packageCount = mPackages.size(); 17372 for (int i = 0; i < packageCount; i++) { 17373 PackageParser.Package pkg = mPackages.valueAt(i); 17374 PackageSetting ps = (PackageSetting) pkg.mExtras; 17375 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 17376 } 17377 } 17378 17379 private void resetNetworkPolicies(int userId) { 17380 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 17381 } 17382 17383 /** 17384 * Reverts user permission state changes (permissions and flags). 17385 * 17386 * @param ps The package for which to reset. 17387 * @param userId The device user for which to do a reset. 17388 */ 17389 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 17390 final PackageSetting ps, final int userId) { 17391 if (ps.pkg == null) { 17392 return; 17393 } 17394 17395 // These are flags that can change base on user actions. 17396 final int userSettableMask = FLAG_PERMISSION_USER_SET 17397 | FLAG_PERMISSION_USER_FIXED 17398 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 17399 | FLAG_PERMISSION_REVIEW_REQUIRED; 17400 17401 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 17402 | FLAG_PERMISSION_POLICY_FIXED; 17403 17404 boolean writeInstallPermissions = false; 17405 boolean writeRuntimePermissions = false; 17406 17407 final int permissionCount = ps.pkg.requestedPermissions.size(); 17408 for (int i = 0; i < permissionCount; i++) { 17409 String permission = ps.pkg.requestedPermissions.get(i); 17410 17411 BasePermission bp = mSettings.mPermissions.get(permission); 17412 if (bp == null) { 17413 continue; 17414 } 17415 17416 // If shared user we just reset the state to which only this app contributed. 17417 if (ps.sharedUser != null) { 17418 boolean used = false; 17419 final int packageCount = ps.sharedUser.packages.size(); 17420 for (int j = 0; j < packageCount; j++) { 17421 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 17422 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 17423 && pkg.pkg.requestedPermissions.contains(permission)) { 17424 used = true; 17425 break; 17426 } 17427 } 17428 if (used) { 17429 continue; 17430 } 17431 } 17432 17433 PermissionsState permissionsState = ps.getPermissionsState(); 17434 17435 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 17436 17437 // Always clear the user settable flags. 17438 final boolean hasInstallState = permissionsState.getInstallPermissionState( 17439 bp.name) != null; 17440 // If permission review is enabled and this is a legacy app, mark the 17441 // permission as requiring a review as this is the initial state. 17442 int flags = 0; 17443 if (mPermissionReviewRequired 17444 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 17445 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 17446 } 17447 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 17448 if (hasInstallState) { 17449 writeInstallPermissions = true; 17450 } else { 17451 writeRuntimePermissions = true; 17452 } 17453 } 17454 17455 // Below is only runtime permission handling. 17456 if (!bp.isRuntime()) { 17457 continue; 17458 } 17459 17460 // Never clobber system or policy. 17461 if ((oldFlags & policyOrSystemFlags) != 0) { 17462 continue; 17463 } 17464 17465 // If this permission was granted by default, make sure it is. 17466 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 17467 if (permissionsState.grantRuntimePermission(bp, userId) 17468 != PERMISSION_OPERATION_FAILURE) { 17469 writeRuntimePermissions = true; 17470 } 17471 // If permission review is enabled the permissions for a legacy apps 17472 // are represented as constantly granted runtime ones, so don't revoke. 17473 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 17474 // Otherwise, reset the permission. 17475 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 17476 switch (revokeResult) { 17477 case PERMISSION_OPERATION_SUCCESS: 17478 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 17479 writeRuntimePermissions = true; 17480 final int appId = ps.appId; 17481 mHandler.post(new Runnable() { 17482 @Override 17483 public void run() { 17484 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 17485 } 17486 }); 17487 } break; 17488 } 17489 } 17490 } 17491 17492 // Synchronously write as we are taking permissions away. 17493 if (writeRuntimePermissions) { 17494 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 17495 } 17496 17497 // Synchronously write as we are taking permissions away. 17498 if (writeInstallPermissions) { 17499 mSettings.writeLPr(); 17500 } 17501 } 17502 17503 /** 17504 * Remove entries from the keystore daemon. Will only remove it if the 17505 * {@code appId} is valid. 17506 */ 17507 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 17508 if (appId < 0) { 17509 return; 17510 } 17511 17512 final KeyStore keyStore = KeyStore.getInstance(); 17513 if (keyStore != null) { 17514 if (userId == UserHandle.USER_ALL) { 17515 for (final int individual : sUserManager.getUserIds()) { 17516 keyStore.clearUid(UserHandle.getUid(individual, appId)); 17517 } 17518 } else { 17519 keyStore.clearUid(UserHandle.getUid(userId, appId)); 17520 } 17521 } else { 17522 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 17523 } 17524 } 17525 17526 @Override 17527 public void deleteApplicationCacheFiles(final String packageName, 17528 final IPackageDataObserver observer) { 17529 final int userId = UserHandle.getCallingUserId(); 17530 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 17531 } 17532 17533 @Override 17534 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 17535 final IPackageDataObserver observer) { 17536 mContext.enforceCallingOrSelfPermission( 17537 android.Manifest.permission.DELETE_CACHE_FILES, null); 17538 enforceCrossUserPermission(Binder.getCallingUid(), userId, 17539 /* requireFullPermission= */ true, /* checkShell= */ false, 17540 "delete application cache files"); 17541 17542 final PackageParser.Package pkg; 17543 synchronized (mPackages) { 17544 pkg = mPackages.get(packageName); 17545 } 17546 17547 // Queue up an async operation since the package deletion may take a little while. 17548 mHandler.post(new Runnable() { 17549 public void run() { 17550 synchronized (mInstallLock) { 17551 final int flags = StorageManager.FLAG_STORAGE_DE 17552 | StorageManager.FLAG_STORAGE_CE; 17553 // We're only clearing cache files, so we don't care if the 17554 // app is unfrozen and still able to run 17555 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 17556 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 17557 } 17558 clearExternalStorageDataSync(packageName, userId, false); 17559 if (observer != null) { 17560 try { 17561 observer.onRemoveCompleted(packageName, true); 17562 } catch (RemoteException e) { 17563 Log.i(TAG, "Observer no longer exists."); 17564 } 17565 } 17566 } 17567 }); 17568 } 17569 17570 @Override 17571 public void getPackageSizeInfo(final String packageName, int userHandle, 17572 final IPackageStatsObserver observer) { 17573 mContext.enforceCallingOrSelfPermission( 17574 android.Manifest.permission.GET_PACKAGE_SIZE, null); 17575 if (packageName == null) { 17576 throw new IllegalArgumentException("Attempt to get size of null packageName"); 17577 } 17578 17579 PackageStats stats = new PackageStats(packageName, userHandle); 17580 17581 /* 17582 * Queue up an async operation since the package measurement may take a 17583 * little while. 17584 */ 17585 Message msg = mHandler.obtainMessage(INIT_COPY); 17586 msg.obj = new MeasureParams(stats, observer); 17587 mHandler.sendMessage(msg); 17588 } 17589 17590 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 17591 final PackageSetting ps; 17592 synchronized (mPackages) { 17593 ps = mSettings.mPackages.get(packageName); 17594 if (ps == null) { 17595 Slog.w(TAG, "Failed to find settings for " + packageName); 17596 return false; 17597 } 17598 } 17599 17600 final String[] packageNames = { packageName }; 17601 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 17602 final String[] codePaths = { ps.codePathString }; 17603 17604 try { 17605 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 17606 ps.appId, ceDataInodes, codePaths, stats); 17607 17608 // For now, ignore code size of packages on system partition 17609 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 17610 stats.codeSize = 0; 17611 } 17612 17613 // External clients expect these to be tracked separately 17614 stats.dataSize -= stats.cacheSize; 17615 17616 } catch (InstallerException e) { 17617 Slog.w(TAG, String.valueOf(e)); 17618 return false; 17619 } 17620 17621 return true; 17622 } 17623 17624 private int getUidTargetSdkVersionLockedLPr(int uid) { 17625 Object obj = mSettings.getUserIdLPr(uid); 17626 if (obj instanceof SharedUserSetting) { 17627 final SharedUserSetting sus = (SharedUserSetting) obj; 17628 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 17629 final Iterator<PackageSetting> it = sus.packages.iterator(); 17630 while (it.hasNext()) { 17631 final PackageSetting ps = it.next(); 17632 if (ps.pkg != null) { 17633 int v = ps.pkg.applicationInfo.targetSdkVersion; 17634 if (v < vers) vers = v; 17635 } 17636 } 17637 return vers; 17638 } else if (obj instanceof PackageSetting) { 17639 final PackageSetting ps = (PackageSetting) obj; 17640 if (ps.pkg != null) { 17641 return ps.pkg.applicationInfo.targetSdkVersion; 17642 } 17643 } 17644 return Build.VERSION_CODES.CUR_DEVELOPMENT; 17645 } 17646 17647 @Override 17648 public void addPreferredActivity(IntentFilter filter, int match, 17649 ComponentName[] set, ComponentName activity, int userId) { 17650 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17651 "Adding preferred"); 17652 } 17653 17654 private void addPreferredActivityInternal(IntentFilter filter, int match, 17655 ComponentName[] set, ComponentName activity, boolean always, int userId, 17656 String opname) { 17657 // writer 17658 int callingUid = Binder.getCallingUid(); 17659 enforceCrossUserPermission(callingUid, userId, 17660 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 17661 if (filter.countActions() == 0) { 17662 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17663 return; 17664 } 17665 synchronized (mPackages) { 17666 if (mContext.checkCallingOrSelfPermission( 17667 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17668 != PackageManager.PERMISSION_GRANTED) { 17669 if (getUidTargetSdkVersionLockedLPr(callingUid) 17670 < Build.VERSION_CODES.FROYO) { 17671 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 17672 + callingUid); 17673 return; 17674 } 17675 mContext.enforceCallingOrSelfPermission( 17676 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17677 } 17678 17679 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 17680 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 17681 + userId + ":"); 17682 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17683 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 17684 scheduleWritePackageRestrictionsLocked(userId); 17685 postPreferredActivityChangedBroadcast(userId); 17686 } 17687 } 17688 17689 private void postPreferredActivityChangedBroadcast(int userId) { 17690 mHandler.post(() -> { 17691 final IActivityManager am = ActivityManager.getService(); 17692 if (am == null) { 17693 return; 17694 } 17695 17696 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 17697 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 17698 try { 17699 am.broadcastIntent(null, intent, null, null, 17700 0, null, null, null, android.app.AppOpsManager.OP_NONE, 17701 null, false, false, userId); 17702 } catch (RemoteException e) { 17703 } 17704 }); 17705 } 17706 17707 @Override 17708 public void replacePreferredActivity(IntentFilter filter, int match, 17709 ComponentName[] set, ComponentName activity, int userId) { 17710 if (filter.countActions() != 1) { 17711 throw new IllegalArgumentException( 17712 "replacePreferredActivity expects filter to have only 1 action."); 17713 } 17714 if (filter.countDataAuthorities() != 0 17715 || filter.countDataPaths() != 0 17716 || filter.countDataSchemes() > 1 17717 || filter.countDataTypes() != 0) { 17718 throw new IllegalArgumentException( 17719 "replacePreferredActivity expects filter to have no data authorities, " + 17720 "paths, or types; and at most one scheme."); 17721 } 17722 17723 final int callingUid = Binder.getCallingUid(); 17724 enforceCrossUserPermission(callingUid, userId, 17725 true /* requireFullPermission */, false /* checkShell */, 17726 "replace preferred activity"); 17727 synchronized (mPackages) { 17728 if (mContext.checkCallingOrSelfPermission( 17729 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17730 != PackageManager.PERMISSION_GRANTED) { 17731 if (getUidTargetSdkVersionLockedLPr(callingUid) 17732 < Build.VERSION_CODES.FROYO) { 17733 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 17734 + Binder.getCallingUid()); 17735 return; 17736 } 17737 mContext.enforceCallingOrSelfPermission( 17738 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17739 } 17740 17741 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17742 if (pir != null) { 17743 // Get all of the existing entries that exactly match this filter. 17744 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 17745 if (existing != null && existing.size() == 1) { 17746 PreferredActivity cur = existing.get(0); 17747 if (DEBUG_PREFERRED) { 17748 Slog.i(TAG, "Checking replace of preferred:"); 17749 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17750 if (!cur.mPref.mAlways) { 17751 Slog.i(TAG, " -- CUR; not mAlways!"); 17752 } else { 17753 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 17754 Slog.i(TAG, " -- CUR: mSet=" 17755 + Arrays.toString(cur.mPref.mSetComponents)); 17756 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 17757 Slog.i(TAG, " -- NEW: mMatch=" 17758 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 17759 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 17760 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 17761 } 17762 } 17763 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 17764 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 17765 && cur.mPref.sameSet(set)) { 17766 // Setting the preferred activity to what it happens to be already 17767 if (DEBUG_PREFERRED) { 17768 Slog.i(TAG, "Replacing with same preferred activity " 17769 + cur.mPref.mShortComponent + " for user " 17770 + userId + ":"); 17771 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17772 } 17773 return; 17774 } 17775 } 17776 17777 if (existing != null) { 17778 if (DEBUG_PREFERRED) { 17779 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 17780 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17781 } 17782 for (int i = 0; i < existing.size(); i++) { 17783 PreferredActivity pa = existing.get(i); 17784 if (DEBUG_PREFERRED) { 17785 Slog.i(TAG, "Removing existing preferred activity " 17786 + pa.mPref.mComponent + ":"); 17787 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 17788 } 17789 pir.removeFilter(pa); 17790 } 17791 } 17792 } 17793 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17794 "Replacing preferred"); 17795 } 17796 } 17797 17798 @Override 17799 public void clearPackagePreferredActivities(String packageName) { 17800 final int uid = Binder.getCallingUid(); 17801 // writer 17802 synchronized (mPackages) { 17803 PackageParser.Package pkg = mPackages.get(packageName); 17804 if (pkg == null || pkg.applicationInfo.uid != uid) { 17805 if (mContext.checkCallingOrSelfPermission( 17806 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17807 != PackageManager.PERMISSION_GRANTED) { 17808 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 17809 < Build.VERSION_CODES.FROYO) { 17810 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 17811 + Binder.getCallingUid()); 17812 return; 17813 } 17814 mContext.enforceCallingOrSelfPermission( 17815 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17816 } 17817 } 17818 17819 int user = UserHandle.getCallingUserId(); 17820 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 17821 scheduleWritePackageRestrictionsLocked(user); 17822 } 17823 } 17824 } 17825 17826 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17827 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17828 ArrayList<PreferredActivity> removed = null; 17829 boolean changed = false; 17830 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17831 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17832 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17833 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17834 continue; 17835 } 17836 Iterator<PreferredActivity> it = pir.filterIterator(); 17837 while (it.hasNext()) { 17838 PreferredActivity pa = it.next(); 17839 // Mark entry for removal only if it matches the package name 17840 // and the entry is of type "always". 17841 if (packageName == null || 17842 (pa.mPref.mComponent.getPackageName().equals(packageName) 17843 && pa.mPref.mAlways)) { 17844 if (removed == null) { 17845 removed = new ArrayList<PreferredActivity>(); 17846 } 17847 removed.add(pa); 17848 } 17849 } 17850 if (removed != null) { 17851 for (int j=0; j<removed.size(); j++) { 17852 PreferredActivity pa = removed.get(j); 17853 pir.removeFilter(pa); 17854 } 17855 changed = true; 17856 } 17857 } 17858 if (changed) { 17859 postPreferredActivityChangedBroadcast(userId); 17860 } 17861 return changed; 17862 } 17863 17864 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17865 private void clearIntentFilterVerificationsLPw(int userId) { 17866 final int packageCount = mPackages.size(); 17867 for (int i = 0; i < packageCount; i++) { 17868 PackageParser.Package pkg = mPackages.valueAt(i); 17869 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17870 } 17871 } 17872 17873 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17874 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17875 if (userId == UserHandle.USER_ALL) { 17876 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17877 sUserManager.getUserIds())) { 17878 for (int oneUserId : sUserManager.getUserIds()) { 17879 scheduleWritePackageRestrictionsLocked(oneUserId); 17880 } 17881 } 17882 } else { 17883 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17884 scheduleWritePackageRestrictionsLocked(userId); 17885 } 17886 } 17887 } 17888 17889 void clearDefaultBrowserIfNeeded(String packageName) { 17890 for (int oneUserId : sUserManager.getUserIds()) { 17891 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17892 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17893 if (packageName.equals(defaultBrowserPackageName)) { 17894 setDefaultBrowserPackageName(null, oneUserId); 17895 } 17896 } 17897 } 17898 17899 @Override 17900 public void resetApplicationPreferences(int userId) { 17901 mContext.enforceCallingOrSelfPermission( 17902 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17903 final long identity = Binder.clearCallingIdentity(); 17904 // writer 17905 try { 17906 synchronized (mPackages) { 17907 clearPackagePreferredActivitiesLPw(null, userId); 17908 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17909 // TODO: We have to reset the default SMS and Phone. This requires 17910 // significant refactoring to keep all default apps in the package 17911 // manager (cleaner but more work) or have the services provide 17912 // callbacks to the package manager to request a default app reset. 17913 applyFactoryDefaultBrowserLPw(userId); 17914 clearIntentFilterVerificationsLPw(userId); 17915 primeDomainVerificationsLPw(userId); 17916 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17917 scheduleWritePackageRestrictionsLocked(userId); 17918 } 17919 resetNetworkPolicies(userId); 17920 } finally { 17921 Binder.restoreCallingIdentity(identity); 17922 } 17923 } 17924 17925 @Override 17926 public int getPreferredActivities(List<IntentFilter> outFilters, 17927 List<ComponentName> outActivities, String packageName) { 17928 17929 int num = 0; 17930 final int userId = UserHandle.getCallingUserId(); 17931 // reader 17932 synchronized (mPackages) { 17933 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17934 if (pir != null) { 17935 final Iterator<PreferredActivity> it = pir.filterIterator(); 17936 while (it.hasNext()) { 17937 final PreferredActivity pa = it.next(); 17938 if (packageName == null 17939 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17940 && pa.mPref.mAlways)) { 17941 if (outFilters != null) { 17942 outFilters.add(new IntentFilter(pa)); 17943 } 17944 if (outActivities != null) { 17945 outActivities.add(pa.mPref.mComponent); 17946 } 17947 } 17948 } 17949 } 17950 } 17951 17952 return num; 17953 } 17954 17955 @Override 17956 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17957 int userId) { 17958 int callingUid = Binder.getCallingUid(); 17959 if (callingUid != Process.SYSTEM_UID) { 17960 throw new SecurityException( 17961 "addPersistentPreferredActivity can only be run by the system"); 17962 } 17963 if (filter.countActions() == 0) { 17964 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17965 return; 17966 } 17967 synchronized (mPackages) { 17968 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17969 ":"); 17970 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17971 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17972 new PersistentPreferredActivity(filter, activity)); 17973 scheduleWritePackageRestrictionsLocked(userId); 17974 postPreferredActivityChangedBroadcast(userId); 17975 } 17976 } 17977 17978 @Override 17979 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17980 int callingUid = Binder.getCallingUid(); 17981 if (callingUid != Process.SYSTEM_UID) { 17982 throw new SecurityException( 17983 "clearPackagePersistentPreferredActivities can only be run by the system"); 17984 } 17985 ArrayList<PersistentPreferredActivity> removed = null; 17986 boolean changed = false; 17987 synchronized (mPackages) { 17988 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17989 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17990 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17991 .valueAt(i); 17992 if (userId != thisUserId) { 17993 continue; 17994 } 17995 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17996 while (it.hasNext()) { 17997 PersistentPreferredActivity ppa = it.next(); 17998 // Mark entry for removal only if it matches the package name. 17999 if (ppa.mComponent.getPackageName().equals(packageName)) { 18000 if (removed == null) { 18001 removed = new ArrayList<PersistentPreferredActivity>(); 18002 } 18003 removed.add(ppa); 18004 } 18005 } 18006 if (removed != null) { 18007 for (int j=0; j<removed.size(); j++) { 18008 PersistentPreferredActivity ppa = removed.get(j); 18009 ppir.removeFilter(ppa); 18010 } 18011 changed = true; 18012 } 18013 } 18014 18015 if (changed) { 18016 scheduleWritePackageRestrictionsLocked(userId); 18017 postPreferredActivityChangedBroadcast(userId); 18018 } 18019 } 18020 } 18021 18022 /** 18023 * Common machinery for picking apart a restored XML blob and passing 18024 * it to a caller-supplied functor to be applied to the running system. 18025 */ 18026 private void restoreFromXml(XmlPullParser parser, int userId, 18027 String expectedStartTag, BlobXmlRestorer functor) 18028 throws IOException, XmlPullParserException { 18029 int type; 18030 while ((type = parser.next()) != XmlPullParser.START_TAG 18031 && type != XmlPullParser.END_DOCUMENT) { 18032 } 18033 if (type != XmlPullParser.START_TAG) { 18034 // oops didn't find a start tag?! 18035 if (DEBUG_BACKUP) { 18036 Slog.e(TAG, "Didn't find start tag during restore"); 18037 } 18038 return; 18039 } 18040Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 18041 // this is supposed to be TAG_PREFERRED_BACKUP 18042 if (!expectedStartTag.equals(parser.getName())) { 18043 if (DEBUG_BACKUP) { 18044 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 18045 } 18046 return; 18047 } 18048 18049 // skip interfering stuff, then we're aligned with the backing implementation 18050 while ((type = parser.next()) == XmlPullParser.TEXT) { } 18051Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 18052 functor.apply(parser, userId); 18053 } 18054 18055 private interface BlobXmlRestorer { 18056 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 18057 } 18058 18059 /** 18060 * Non-Binder method, support for the backup/restore mechanism: write the 18061 * full set of preferred activities in its canonical XML format. Returns the 18062 * XML output as a byte array, or null if there is none. 18063 */ 18064 @Override 18065 public byte[] getPreferredActivityBackup(int userId) { 18066 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18067 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 18068 } 18069 18070 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18071 try { 18072 final XmlSerializer serializer = new FastXmlSerializer(); 18073 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18074 serializer.startDocument(null, true); 18075 serializer.startTag(null, TAG_PREFERRED_BACKUP); 18076 18077 synchronized (mPackages) { 18078 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 18079 } 18080 18081 serializer.endTag(null, TAG_PREFERRED_BACKUP); 18082 serializer.endDocument(); 18083 serializer.flush(); 18084 } catch (Exception e) { 18085 if (DEBUG_BACKUP) { 18086 Slog.e(TAG, "Unable to write preferred activities for backup", e); 18087 } 18088 return null; 18089 } 18090 18091 return dataStream.toByteArray(); 18092 } 18093 18094 @Override 18095 public void restorePreferredActivities(byte[] backup, int userId) { 18096 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18097 throw new SecurityException("Only the system may call restorePreferredActivities()"); 18098 } 18099 18100 try { 18101 final XmlPullParser parser = Xml.newPullParser(); 18102 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18103 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 18104 new BlobXmlRestorer() { 18105 @Override 18106 public void apply(XmlPullParser parser, int userId) 18107 throws XmlPullParserException, IOException { 18108 synchronized (mPackages) { 18109 mSettings.readPreferredActivitiesLPw(parser, userId); 18110 } 18111 } 18112 } ); 18113 } catch (Exception e) { 18114 if (DEBUG_BACKUP) { 18115 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 18116 } 18117 } 18118 } 18119 18120 /** 18121 * Non-Binder method, support for the backup/restore mechanism: write the 18122 * default browser (etc) settings in its canonical XML format. Returns the default 18123 * browser XML representation as a byte array, or null if there is none. 18124 */ 18125 @Override 18126 public byte[] getDefaultAppsBackup(int userId) { 18127 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18128 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 18129 } 18130 18131 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18132 try { 18133 final XmlSerializer serializer = new FastXmlSerializer(); 18134 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18135 serializer.startDocument(null, true); 18136 serializer.startTag(null, TAG_DEFAULT_APPS); 18137 18138 synchronized (mPackages) { 18139 mSettings.writeDefaultAppsLPr(serializer, userId); 18140 } 18141 18142 serializer.endTag(null, TAG_DEFAULT_APPS); 18143 serializer.endDocument(); 18144 serializer.flush(); 18145 } catch (Exception e) { 18146 if (DEBUG_BACKUP) { 18147 Slog.e(TAG, "Unable to write default apps for backup", e); 18148 } 18149 return null; 18150 } 18151 18152 return dataStream.toByteArray(); 18153 } 18154 18155 @Override 18156 public void restoreDefaultApps(byte[] backup, int userId) { 18157 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18158 throw new SecurityException("Only the system may call restoreDefaultApps()"); 18159 } 18160 18161 try { 18162 final XmlPullParser parser = Xml.newPullParser(); 18163 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18164 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 18165 new BlobXmlRestorer() { 18166 @Override 18167 public void apply(XmlPullParser parser, int userId) 18168 throws XmlPullParserException, IOException { 18169 synchronized (mPackages) { 18170 mSettings.readDefaultAppsLPw(parser, userId); 18171 } 18172 } 18173 } ); 18174 } catch (Exception e) { 18175 if (DEBUG_BACKUP) { 18176 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 18177 } 18178 } 18179 } 18180 18181 @Override 18182 public byte[] getIntentFilterVerificationBackup(int userId) { 18183 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18184 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 18185 } 18186 18187 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18188 try { 18189 final XmlSerializer serializer = new FastXmlSerializer(); 18190 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18191 serializer.startDocument(null, true); 18192 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 18193 18194 synchronized (mPackages) { 18195 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 18196 } 18197 18198 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 18199 serializer.endDocument(); 18200 serializer.flush(); 18201 } catch (Exception e) { 18202 if (DEBUG_BACKUP) { 18203 Slog.e(TAG, "Unable to write default apps for backup", e); 18204 } 18205 return null; 18206 } 18207 18208 return dataStream.toByteArray(); 18209 } 18210 18211 @Override 18212 public void restoreIntentFilterVerification(byte[] backup, int userId) { 18213 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18214 throw new SecurityException("Only the system may call restorePreferredActivities()"); 18215 } 18216 18217 try { 18218 final XmlPullParser parser = Xml.newPullParser(); 18219 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18220 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 18221 new BlobXmlRestorer() { 18222 @Override 18223 public void apply(XmlPullParser parser, int userId) 18224 throws XmlPullParserException, IOException { 18225 synchronized (mPackages) { 18226 mSettings.readAllDomainVerificationsLPr(parser, userId); 18227 mSettings.writeLPr(); 18228 } 18229 } 18230 } ); 18231 } catch (Exception e) { 18232 if (DEBUG_BACKUP) { 18233 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 18234 } 18235 } 18236 } 18237 18238 @Override 18239 public byte[] getPermissionGrantBackup(int userId) { 18240 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18241 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 18242 } 18243 18244 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18245 try { 18246 final XmlSerializer serializer = new FastXmlSerializer(); 18247 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18248 serializer.startDocument(null, true); 18249 serializer.startTag(null, TAG_PERMISSION_BACKUP); 18250 18251 synchronized (mPackages) { 18252 serializeRuntimePermissionGrantsLPr(serializer, userId); 18253 } 18254 18255 serializer.endTag(null, TAG_PERMISSION_BACKUP); 18256 serializer.endDocument(); 18257 serializer.flush(); 18258 } catch (Exception e) { 18259 if (DEBUG_BACKUP) { 18260 Slog.e(TAG, "Unable to write default apps for backup", e); 18261 } 18262 return null; 18263 } 18264 18265 return dataStream.toByteArray(); 18266 } 18267 18268 @Override 18269 public void restorePermissionGrants(byte[] backup, int userId) { 18270 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18271 throw new SecurityException("Only the system may call restorePermissionGrants()"); 18272 } 18273 18274 try { 18275 final XmlPullParser parser = Xml.newPullParser(); 18276 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18277 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 18278 new BlobXmlRestorer() { 18279 @Override 18280 public void apply(XmlPullParser parser, int userId) 18281 throws XmlPullParserException, IOException { 18282 synchronized (mPackages) { 18283 processRestoredPermissionGrantsLPr(parser, userId); 18284 } 18285 } 18286 } ); 18287 } catch (Exception e) { 18288 if (DEBUG_BACKUP) { 18289 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 18290 } 18291 } 18292 } 18293 18294 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 18295 throws IOException { 18296 serializer.startTag(null, TAG_ALL_GRANTS); 18297 18298 final int N = mSettings.mPackages.size(); 18299 for (int i = 0; i < N; i++) { 18300 final PackageSetting ps = mSettings.mPackages.valueAt(i); 18301 boolean pkgGrantsKnown = false; 18302 18303 PermissionsState packagePerms = ps.getPermissionsState(); 18304 18305 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 18306 final int grantFlags = state.getFlags(); 18307 // only look at grants that are not system/policy fixed 18308 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 18309 final boolean isGranted = state.isGranted(); 18310 // And only back up the user-twiddled state bits 18311 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 18312 final String packageName = mSettings.mPackages.keyAt(i); 18313 if (!pkgGrantsKnown) { 18314 serializer.startTag(null, TAG_GRANT); 18315 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 18316 pkgGrantsKnown = true; 18317 } 18318 18319 final boolean userSet = 18320 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 18321 final boolean userFixed = 18322 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 18323 final boolean revoke = 18324 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 18325 18326 serializer.startTag(null, TAG_PERMISSION); 18327 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 18328 if (isGranted) { 18329 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 18330 } 18331 if (userSet) { 18332 serializer.attribute(null, ATTR_USER_SET, "true"); 18333 } 18334 if (userFixed) { 18335 serializer.attribute(null, ATTR_USER_FIXED, "true"); 18336 } 18337 if (revoke) { 18338 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 18339 } 18340 serializer.endTag(null, TAG_PERMISSION); 18341 } 18342 } 18343 } 18344 18345 if (pkgGrantsKnown) { 18346 serializer.endTag(null, TAG_GRANT); 18347 } 18348 } 18349 18350 serializer.endTag(null, TAG_ALL_GRANTS); 18351 } 18352 18353 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 18354 throws XmlPullParserException, IOException { 18355 String pkgName = null; 18356 int outerDepth = parser.getDepth(); 18357 int type; 18358 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 18359 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 18360 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 18361 continue; 18362 } 18363 18364 final String tagName = parser.getName(); 18365 if (tagName.equals(TAG_GRANT)) { 18366 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 18367 if (DEBUG_BACKUP) { 18368 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 18369 } 18370 } else if (tagName.equals(TAG_PERMISSION)) { 18371 18372 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 18373 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 18374 18375 int newFlagSet = 0; 18376 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 18377 newFlagSet |= FLAG_PERMISSION_USER_SET; 18378 } 18379 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 18380 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 18381 } 18382 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 18383 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 18384 } 18385 if (DEBUG_BACKUP) { 18386 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 18387 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 18388 } 18389 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18390 if (ps != null) { 18391 // Already installed so we apply the grant immediately 18392 if (DEBUG_BACKUP) { 18393 Slog.v(TAG, " + already installed; applying"); 18394 } 18395 PermissionsState perms = ps.getPermissionsState(); 18396 BasePermission bp = mSettings.mPermissions.get(permName); 18397 if (bp != null) { 18398 if (isGranted) { 18399 perms.grantRuntimePermission(bp, userId); 18400 } 18401 if (newFlagSet != 0) { 18402 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 18403 } 18404 } 18405 } else { 18406 // Need to wait for post-restore install to apply the grant 18407 if (DEBUG_BACKUP) { 18408 Slog.v(TAG, " - not yet installed; saving for later"); 18409 } 18410 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 18411 isGranted, newFlagSet, userId); 18412 } 18413 } else { 18414 PackageManagerService.reportSettingsProblem(Log.WARN, 18415 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 18416 XmlUtils.skipCurrentTag(parser); 18417 } 18418 } 18419 18420 scheduleWriteSettingsLocked(); 18421 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 18422 } 18423 18424 @Override 18425 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 18426 int sourceUserId, int targetUserId, int flags) { 18427 mContext.enforceCallingOrSelfPermission( 18428 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 18429 int callingUid = Binder.getCallingUid(); 18430 enforceOwnerRights(ownerPackage, callingUid); 18431 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 18432 if (intentFilter.countActions() == 0) { 18433 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 18434 return; 18435 } 18436 synchronized (mPackages) { 18437 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 18438 ownerPackage, targetUserId, flags); 18439 CrossProfileIntentResolver resolver = 18440 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 18441 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 18442 // We have all those whose filter is equal. Now checking if the rest is equal as well. 18443 if (existing != null) { 18444 int size = existing.size(); 18445 for (int i = 0; i < size; i++) { 18446 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 18447 return; 18448 } 18449 } 18450 } 18451 resolver.addFilter(newFilter); 18452 scheduleWritePackageRestrictionsLocked(sourceUserId); 18453 } 18454 } 18455 18456 @Override 18457 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 18458 mContext.enforceCallingOrSelfPermission( 18459 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 18460 int callingUid = Binder.getCallingUid(); 18461 enforceOwnerRights(ownerPackage, callingUid); 18462 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 18463 synchronized (mPackages) { 18464 CrossProfileIntentResolver resolver = 18465 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 18466 ArraySet<CrossProfileIntentFilter> set = 18467 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 18468 for (CrossProfileIntentFilter filter : set) { 18469 if (filter.getOwnerPackage().equals(ownerPackage)) { 18470 resolver.removeFilter(filter); 18471 } 18472 } 18473 scheduleWritePackageRestrictionsLocked(sourceUserId); 18474 } 18475 } 18476 18477 // Enforcing that callingUid is owning pkg on userId 18478 private void enforceOwnerRights(String pkg, int callingUid) { 18479 // The system owns everything. 18480 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 18481 return; 18482 } 18483 int callingUserId = UserHandle.getUserId(callingUid); 18484 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 18485 if (pi == null) { 18486 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 18487 + callingUserId); 18488 } 18489 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 18490 throw new SecurityException("Calling uid " + callingUid 18491 + " does not own package " + pkg); 18492 } 18493 } 18494 18495 @Override 18496 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 18497 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 18498 } 18499 18500 private Intent getHomeIntent() { 18501 Intent intent = new Intent(Intent.ACTION_MAIN); 18502 intent.addCategory(Intent.CATEGORY_HOME); 18503 intent.addCategory(Intent.CATEGORY_DEFAULT); 18504 return intent; 18505 } 18506 18507 private IntentFilter getHomeFilter() { 18508 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 18509 filter.addCategory(Intent.CATEGORY_HOME); 18510 filter.addCategory(Intent.CATEGORY_DEFAULT); 18511 return filter; 18512 } 18513 18514 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 18515 int userId) { 18516 Intent intent = getHomeIntent(); 18517 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 18518 PackageManager.GET_META_DATA, userId); 18519 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 18520 true, false, false, userId); 18521 18522 allHomeCandidates.clear(); 18523 if (list != null) { 18524 for (ResolveInfo ri : list) { 18525 allHomeCandidates.add(ri); 18526 } 18527 } 18528 return (preferred == null || preferred.activityInfo == null) 18529 ? null 18530 : new ComponentName(preferred.activityInfo.packageName, 18531 preferred.activityInfo.name); 18532 } 18533 18534 @Override 18535 public void setHomeActivity(ComponentName comp, int userId) { 18536 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 18537 getHomeActivitiesAsUser(homeActivities, userId); 18538 18539 boolean found = false; 18540 18541 final int size = homeActivities.size(); 18542 final ComponentName[] set = new ComponentName[size]; 18543 for (int i = 0; i < size; i++) { 18544 final ResolveInfo candidate = homeActivities.get(i); 18545 final ActivityInfo info = candidate.activityInfo; 18546 final ComponentName activityName = new ComponentName(info.packageName, info.name); 18547 set[i] = activityName; 18548 if (!found && activityName.equals(comp)) { 18549 found = true; 18550 } 18551 } 18552 if (!found) { 18553 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 18554 + userId); 18555 } 18556 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 18557 set, comp, userId); 18558 } 18559 18560 private @Nullable String getSetupWizardPackageName() { 18561 final Intent intent = new Intent(Intent.ACTION_MAIN); 18562 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 18563 18564 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 18565 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 18566 | MATCH_DISABLED_COMPONENTS, 18567 UserHandle.myUserId()); 18568 if (matches.size() == 1) { 18569 return matches.get(0).getComponentInfo().packageName; 18570 } else { 18571 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 18572 + ": matches=" + matches); 18573 return null; 18574 } 18575 } 18576 18577 private @Nullable String getStorageManagerPackageName() { 18578 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 18579 18580 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 18581 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 18582 | MATCH_DISABLED_COMPONENTS, 18583 UserHandle.myUserId()); 18584 if (matches.size() == 1) { 18585 return matches.get(0).getComponentInfo().packageName; 18586 } else { 18587 Slog.e(TAG, "There should probably be exactly one storage manager; found " 18588 + matches.size() + ": matches=" + matches); 18589 return null; 18590 } 18591 } 18592 18593 @Override 18594 public void setApplicationEnabledSetting(String appPackageName, 18595 int newState, int flags, int userId, String callingPackage) { 18596 if (!sUserManager.exists(userId)) return; 18597 if (callingPackage == null) { 18598 callingPackage = Integer.toString(Binder.getCallingUid()); 18599 } 18600 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 18601 } 18602 18603 @Override 18604 public void setComponentEnabledSetting(ComponentName componentName, 18605 int newState, int flags, int userId) { 18606 if (!sUserManager.exists(userId)) return; 18607 setEnabledSetting(componentName.getPackageName(), 18608 componentName.getClassName(), newState, flags, userId, null); 18609 } 18610 18611 private void setEnabledSetting(final String packageName, String className, int newState, 18612 final int flags, int userId, String callingPackage) { 18613 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 18614 || newState == COMPONENT_ENABLED_STATE_ENABLED 18615 || newState == COMPONENT_ENABLED_STATE_DISABLED 18616 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18617 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 18618 throw new IllegalArgumentException("Invalid new component state: " 18619 + newState); 18620 } 18621 PackageSetting pkgSetting; 18622 final int uid = Binder.getCallingUid(); 18623 final int permission; 18624 if (uid == Process.SYSTEM_UID) { 18625 permission = PackageManager.PERMISSION_GRANTED; 18626 } else { 18627 permission = mContext.checkCallingOrSelfPermission( 18628 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18629 } 18630 enforceCrossUserPermission(uid, userId, 18631 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 18632 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18633 boolean sendNow = false; 18634 boolean isApp = (className == null); 18635 String componentName = isApp ? packageName : className; 18636 int packageUid = -1; 18637 ArrayList<String> components; 18638 18639 // writer 18640 synchronized (mPackages) { 18641 pkgSetting = mSettings.mPackages.get(packageName); 18642 if (pkgSetting == null) { 18643 if (className == null) { 18644 throw new IllegalArgumentException("Unknown package: " + packageName); 18645 } 18646 throw new IllegalArgumentException( 18647 "Unknown component: " + packageName + "/" + className); 18648 } 18649 } 18650 18651 // Limit who can change which apps 18652 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 18653 // Don't allow apps that don't have permission to modify other apps 18654 if (!allowedByPermission) { 18655 throw new SecurityException( 18656 "Permission Denial: attempt to change component state from pid=" 18657 + Binder.getCallingPid() 18658 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 18659 } 18660 // Don't allow changing protected packages. 18661 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 18662 throw new SecurityException("Cannot disable a protected package: " + packageName); 18663 } 18664 } 18665 18666 synchronized (mPackages) { 18667 if (uid == Process.SHELL_UID 18668 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 18669 // Shell can only change whole packages between ENABLED and DISABLED_USER states 18670 // unless it is a test package. 18671 int oldState = pkgSetting.getEnabled(userId); 18672 if (className == null 18673 && 18674 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 18675 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 18676 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 18677 && 18678 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18679 || newState == COMPONENT_ENABLED_STATE_DEFAULT 18680 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 18681 // ok 18682 } else { 18683 throw new SecurityException( 18684 "Shell cannot change component state for " + packageName + "/" 18685 + className + " to " + newState); 18686 } 18687 } 18688 if (className == null) { 18689 // We're dealing with an application/package level state change 18690 if (pkgSetting.getEnabled(userId) == newState) { 18691 // Nothing to do 18692 return; 18693 } 18694 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 18695 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 18696 // Don't care about who enables an app. 18697 callingPackage = null; 18698 } 18699 pkgSetting.setEnabled(newState, userId, callingPackage); 18700 // pkgSetting.pkg.mSetEnabled = newState; 18701 } else { 18702 // We're dealing with a component level state change 18703 // First, verify that this is a valid class name. 18704 PackageParser.Package pkg = pkgSetting.pkg; 18705 if (pkg == null || !pkg.hasComponentClassName(className)) { 18706 if (pkg != null && 18707 pkg.applicationInfo.targetSdkVersion >= 18708 Build.VERSION_CODES.JELLY_BEAN) { 18709 throw new IllegalArgumentException("Component class " + className 18710 + " does not exist in " + packageName); 18711 } else { 18712 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 18713 + className + " does not exist in " + packageName); 18714 } 18715 } 18716 switch (newState) { 18717 case COMPONENT_ENABLED_STATE_ENABLED: 18718 if (!pkgSetting.enableComponentLPw(className, userId)) { 18719 return; 18720 } 18721 break; 18722 case COMPONENT_ENABLED_STATE_DISABLED: 18723 if (!pkgSetting.disableComponentLPw(className, userId)) { 18724 return; 18725 } 18726 break; 18727 case COMPONENT_ENABLED_STATE_DEFAULT: 18728 if (!pkgSetting.restoreComponentLPw(className, userId)) { 18729 return; 18730 } 18731 break; 18732 default: 18733 Slog.e(TAG, "Invalid new component state: " + newState); 18734 return; 18735 } 18736 } 18737 scheduleWritePackageRestrictionsLocked(userId); 18738 components = mPendingBroadcasts.get(userId, packageName); 18739 final boolean newPackage = components == null; 18740 if (newPackage) { 18741 components = new ArrayList<String>(); 18742 } 18743 if (!components.contains(componentName)) { 18744 components.add(componentName); 18745 } 18746 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 18747 sendNow = true; 18748 // Purge entry from pending broadcast list if another one exists already 18749 // since we are sending one right away. 18750 mPendingBroadcasts.remove(userId, packageName); 18751 } else { 18752 if (newPackage) { 18753 mPendingBroadcasts.put(userId, packageName, components); 18754 } 18755 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 18756 // Schedule a message 18757 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 18758 } 18759 } 18760 } 18761 18762 long callingId = Binder.clearCallingIdentity(); 18763 try { 18764 if (sendNow) { 18765 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 18766 sendPackageChangedBroadcast(packageName, 18767 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 18768 } 18769 } finally { 18770 Binder.restoreCallingIdentity(callingId); 18771 } 18772 } 18773 18774 @Override 18775 public void flushPackageRestrictionsAsUser(int userId) { 18776 if (!sUserManager.exists(userId)) { 18777 return; 18778 } 18779 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 18780 false /* checkShell */, "flushPackageRestrictions"); 18781 synchronized (mPackages) { 18782 mSettings.writePackageRestrictionsLPr(userId); 18783 mDirtyUsers.remove(userId); 18784 if (mDirtyUsers.isEmpty()) { 18785 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 18786 } 18787 } 18788 } 18789 18790 private void sendPackageChangedBroadcast(String packageName, 18791 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 18792 if (DEBUG_INSTALL) 18793 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 18794 + componentNames); 18795 Bundle extras = new Bundle(4); 18796 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 18797 String nameList[] = new String[componentNames.size()]; 18798 componentNames.toArray(nameList); 18799 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 18800 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 18801 extras.putInt(Intent.EXTRA_UID, packageUid); 18802 // If this is not reporting a change of the overall package, then only send it 18803 // to registered receivers. We don't want to launch a swath of apps for every 18804 // little component state change. 18805 final int flags = !componentNames.contains(packageName) 18806 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 18807 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 18808 new int[] {UserHandle.getUserId(packageUid)}); 18809 } 18810 18811 @Override 18812 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 18813 if (!sUserManager.exists(userId)) return; 18814 final int uid = Binder.getCallingUid(); 18815 final int permission = mContext.checkCallingOrSelfPermission( 18816 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18817 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18818 enforceCrossUserPermission(uid, userId, 18819 true /* requireFullPermission */, true /* checkShell */, "stop package"); 18820 // writer 18821 synchronized (mPackages) { 18822 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 18823 allowedByPermission, uid, userId)) { 18824 scheduleWritePackageRestrictionsLocked(userId); 18825 } 18826 } 18827 } 18828 18829 @Override 18830 public String getInstallerPackageName(String packageName) { 18831 // reader 18832 synchronized (mPackages) { 18833 return mSettings.getInstallerPackageNameLPr(packageName); 18834 } 18835 } 18836 18837 public boolean isOrphaned(String packageName) { 18838 // reader 18839 synchronized (mPackages) { 18840 return mSettings.isOrphaned(packageName); 18841 } 18842 } 18843 18844 @Override 18845 public int getApplicationEnabledSetting(String packageName, int userId) { 18846 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18847 int uid = Binder.getCallingUid(); 18848 enforceCrossUserPermission(uid, userId, 18849 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18850 // reader 18851 synchronized (mPackages) { 18852 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18853 } 18854 } 18855 18856 @Override 18857 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18858 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18859 int uid = Binder.getCallingUid(); 18860 enforceCrossUserPermission(uid, userId, 18861 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18862 // reader 18863 synchronized (mPackages) { 18864 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18865 } 18866 } 18867 18868 @Override 18869 public void enterSafeMode() { 18870 enforceSystemOrRoot("Only the system can request entering safe mode"); 18871 18872 if (!mSystemReady) { 18873 mSafeMode = true; 18874 } 18875 } 18876 18877 @Override 18878 public void systemReady() { 18879 mSystemReady = true; 18880 18881 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18882 // disabled after already being started. 18883 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18884 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18885 18886 // Read the compatibilty setting when the system is ready. 18887 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18888 mContext.getContentResolver(), 18889 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18890 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18891 if (DEBUG_SETTINGS) { 18892 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18893 } 18894 18895 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18896 18897 synchronized (mPackages) { 18898 // Verify that all of the preferred activity components actually 18899 // exist. It is possible for applications to be updated and at 18900 // that point remove a previously declared activity component that 18901 // had been set as a preferred activity. We try to clean this up 18902 // the next time we encounter that preferred activity, but it is 18903 // possible for the user flow to never be able to return to that 18904 // situation so here we do a sanity check to make sure we haven't 18905 // left any junk around. 18906 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18907 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18908 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18909 removed.clear(); 18910 for (PreferredActivity pa : pir.filterSet()) { 18911 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18912 removed.add(pa); 18913 } 18914 } 18915 if (removed.size() > 0) { 18916 for (int r=0; r<removed.size(); r++) { 18917 PreferredActivity pa = removed.get(r); 18918 Slog.w(TAG, "Removing dangling preferred activity: " 18919 + pa.mPref.mComponent); 18920 pir.removeFilter(pa); 18921 } 18922 mSettings.writePackageRestrictionsLPr( 18923 mSettings.mPreferredActivities.keyAt(i)); 18924 } 18925 } 18926 18927 for (int userId : UserManagerService.getInstance().getUserIds()) { 18928 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18929 grantPermissionsUserIds = ArrayUtils.appendInt( 18930 grantPermissionsUserIds, userId); 18931 } 18932 } 18933 } 18934 sUserManager.systemReady(); 18935 18936 // If we upgraded grant all default permissions before kicking off. 18937 for (int userId : grantPermissionsUserIds) { 18938 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18939 } 18940 18941 // If we did not grant default permissions, we preload from this the 18942 // default permission exceptions lazily to ensure we don't hit the 18943 // disk on a new user creation. 18944 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18945 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18946 } 18947 18948 // Kick off any messages waiting for system ready 18949 if (mPostSystemReadyMessages != null) { 18950 for (Message msg : mPostSystemReadyMessages) { 18951 msg.sendToTarget(); 18952 } 18953 mPostSystemReadyMessages = null; 18954 } 18955 18956 // Watch for external volumes that come and go over time 18957 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18958 storage.registerListener(mStorageListener); 18959 18960 mInstallerService.systemReady(); 18961 mPackageDexOptimizer.systemReady(); 18962 18963 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 18964 StorageManagerInternal.class); 18965 StorageManagerInternal.addExternalStoragePolicy( 18966 new StorageManagerInternal.ExternalStorageMountPolicy() { 18967 @Override 18968 public int getMountMode(int uid, String packageName) { 18969 if (Process.isIsolated(uid)) { 18970 return Zygote.MOUNT_EXTERNAL_NONE; 18971 } 18972 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18973 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18974 } 18975 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18976 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18977 } 18978 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18979 return Zygote.MOUNT_EXTERNAL_READ; 18980 } 18981 return Zygote.MOUNT_EXTERNAL_WRITE; 18982 } 18983 18984 @Override 18985 public boolean hasExternalStorage(int uid, String packageName) { 18986 return true; 18987 } 18988 }); 18989 18990 // Now that we're mostly running, clean up stale users and apps 18991 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18992 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18993 } 18994 18995 @Override 18996 public boolean isSafeMode() { 18997 return mSafeMode; 18998 } 18999 19000 @Override 19001 public boolean hasSystemUidErrors() { 19002 return mHasSystemUidErrors; 19003 } 19004 19005 static String arrayToString(int[] array) { 19006 StringBuffer buf = new StringBuffer(128); 19007 buf.append('['); 19008 if (array != null) { 19009 for (int i=0; i<array.length; i++) { 19010 if (i > 0) buf.append(", "); 19011 buf.append(array[i]); 19012 } 19013 } 19014 buf.append(']'); 19015 return buf.toString(); 19016 } 19017 19018 static class DumpState { 19019 public static final int DUMP_LIBS = 1 << 0; 19020 public static final int DUMP_FEATURES = 1 << 1; 19021 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 19022 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 19023 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 19024 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 19025 public static final int DUMP_PERMISSIONS = 1 << 6; 19026 public static final int DUMP_PACKAGES = 1 << 7; 19027 public static final int DUMP_SHARED_USERS = 1 << 8; 19028 public static final int DUMP_MESSAGES = 1 << 9; 19029 public static final int DUMP_PROVIDERS = 1 << 10; 19030 public static final int DUMP_VERIFIERS = 1 << 11; 19031 public static final int DUMP_PREFERRED = 1 << 12; 19032 public static final int DUMP_PREFERRED_XML = 1 << 13; 19033 public static final int DUMP_KEYSETS = 1 << 14; 19034 public static final int DUMP_VERSION = 1 << 15; 19035 public static final int DUMP_INSTALLS = 1 << 16; 19036 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 19037 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 19038 public static final int DUMP_FROZEN = 1 << 19; 19039 public static final int DUMP_DEXOPT = 1 << 20; 19040 public static final int DUMP_COMPILER_STATS = 1 << 21; 19041 19042 public static final int OPTION_SHOW_FILTERS = 1 << 0; 19043 19044 private int mTypes; 19045 19046 private int mOptions; 19047 19048 private boolean mTitlePrinted; 19049 19050 private SharedUserSetting mSharedUser; 19051 19052 public boolean isDumping(int type) { 19053 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 19054 return true; 19055 } 19056 19057 return (mTypes & type) != 0; 19058 } 19059 19060 public void setDump(int type) { 19061 mTypes |= type; 19062 } 19063 19064 public boolean isOptionEnabled(int option) { 19065 return (mOptions & option) != 0; 19066 } 19067 19068 public void setOptionEnabled(int option) { 19069 mOptions |= option; 19070 } 19071 19072 public boolean onTitlePrinted() { 19073 final boolean printed = mTitlePrinted; 19074 mTitlePrinted = true; 19075 return printed; 19076 } 19077 19078 public boolean getTitlePrinted() { 19079 return mTitlePrinted; 19080 } 19081 19082 public void setTitlePrinted(boolean enabled) { 19083 mTitlePrinted = enabled; 19084 } 19085 19086 public SharedUserSetting getSharedUser() { 19087 return mSharedUser; 19088 } 19089 19090 public void setSharedUser(SharedUserSetting user) { 19091 mSharedUser = user; 19092 } 19093 } 19094 19095 @Override 19096 public void onShellCommand(FileDescriptor in, FileDescriptor out, 19097 FileDescriptor err, String[] args, ShellCallback callback, 19098 ResultReceiver resultReceiver) { 19099 (new PackageManagerShellCommand(this)).exec( 19100 this, in, out, err, args, callback, resultReceiver); 19101 } 19102 19103 @Override 19104 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 19105 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 19106 != PackageManager.PERMISSION_GRANTED) { 19107 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 19108 + Binder.getCallingPid() 19109 + ", uid=" + Binder.getCallingUid() 19110 + " without permission " 19111 + android.Manifest.permission.DUMP); 19112 return; 19113 } 19114 19115 DumpState dumpState = new DumpState(); 19116 boolean fullPreferred = false; 19117 boolean checkin = false; 19118 19119 String packageName = null; 19120 ArraySet<String> permissionNames = null; 19121 19122 int opti = 0; 19123 while (opti < args.length) { 19124 String opt = args[opti]; 19125 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 19126 break; 19127 } 19128 opti++; 19129 19130 if ("-a".equals(opt)) { 19131 // Right now we only know how to print all. 19132 } else if ("-h".equals(opt)) { 19133 pw.println("Package manager dump options:"); 19134 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 19135 pw.println(" --checkin: dump for a checkin"); 19136 pw.println(" -f: print details of intent filters"); 19137 pw.println(" -h: print this help"); 19138 pw.println(" cmd may be one of:"); 19139 pw.println(" l[ibraries]: list known shared libraries"); 19140 pw.println(" f[eatures]: list device features"); 19141 pw.println(" k[eysets]: print known keysets"); 19142 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 19143 pw.println(" perm[issions]: dump permissions"); 19144 pw.println(" permission [name ...]: dump declaration and use of given permission"); 19145 pw.println(" pref[erred]: print preferred package settings"); 19146 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 19147 pw.println(" prov[iders]: dump content providers"); 19148 pw.println(" p[ackages]: dump installed packages"); 19149 pw.println(" s[hared-users]: dump shared user IDs"); 19150 pw.println(" m[essages]: print collected runtime messages"); 19151 pw.println(" v[erifiers]: print package verifier info"); 19152 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 19153 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 19154 pw.println(" version: print database version info"); 19155 pw.println(" write: write current settings now"); 19156 pw.println(" installs: details about install sessions"); 19157 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 19158 pw.println(" dexopt: dump dexopt state"); 19159 pw.println(" compiler-stats: dump compiler statistics"); 19160 pw.println(" <package.name>: info about given package"); 19161 return; 19162 } else if ("--checkin".equals(opt)) { 19163 checkin = true; 19164 } else if ("-f".equals(opt)) { 19165 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 19166 } else { 19167 pw.println("Unknown argument: " + opt + "; use -h for help"); 19168 } 19169 } 19170 19171 // Is the caller requesting to dump a particular piece of data? 19172 if (opti < args.length) { 19173 String cmd = args[opti]; 19174 opti++; 19175 // Is this a package name? 19176 if ("android".equals(cmd) || cmd.contains(".")) { 19177 packageName = cmd; 19178 // When dumping a single package, we always dump all of its 19179 // filter information since the amount of data will be reasonable. 19180 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 19181 } else if ("check-permission".equals(cmd)) { 19182 if (opti >= args.length) { 19183 pw.println("Error: check-permission missing permission argument"); 19184 return; 19185 } 19186 String perm = args[opti]; 19187 opti++; 19188 if (opti >= args.length) { 19189 pw.println("Error: check-permission missing package argument"); 19190 return; 19191 } 19192 String pkg = args[opti]; 19193 opti++; 19194 int user = UserHandle.getUserId(Binder.getCallingUid()); 19195 if (opti < args.length) { 19196 try { 19197 user = Integer.parseInt(args[opti]); 19198 } catch (NumberFormatException e) { 19199 pw.println("Error: check-permission user argument is not a number: " 19200 + args[opti]); 19201 return; 19202 } 19203 } 19204 pw.println(checkPermission(perm, pkg, user)); 19205 return; 19206 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 19207 dumpState.setDump(DumpState.DUMP_LIBS); 19208 } else if ("f".equals(cmd) || "features".equals(cmd)) { 19209 dumpState.setDump(DumpState.DUMP_FEATURES); 19210 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 19211 if (opti >= args.length) { 19212 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 19213 | DumpState.DUMP_SERVICE_RESOLVERS 19214 | DumpState.DUMP_RECEIVER_RESOLVERS 19215 | DumpState.DUMP_CONTENT_RESOLVERS); 19216 } else { 19217 while (opti < args.length) { 19218 String name = args[opti]; 19219 if ("a".equals(name) || "activity".equals(name)) { 19220 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 19221 } else if ("s".equals(name) || "service".equals(name)) { 19222 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 19223 } else if ("r".equals(name) || "receiver".equals(name)) { 19224 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 19225 } else if ("c".equals(name) || "content".equals(name)) { 19226 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 19227 } else { 19228 pw.println("Error: unknown resolver table type: " + name); 19229 return; 19230 } 19231 opti++; 19232 } 19233 } 19234 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 19235 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 19236 } else if ("permission".equals(cmd)) { 19237 if (opti >= args.length) { 19238 pw.println("Error: permission requires permission name"); 19239 return; 19240 } 19241 permissionNames = new ArraySet<>(); 19242 while (opti < args.length) { 19243 permissionNames.add(args[opti]); 19244 opti++; 19245 } 19246 dumpState.setDump(DumpState.DUMP_PERMISSIONS 19247 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 19248 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 19249 dumpState.setDump(DumpState.DUMP_PREFERRED); 19250 } else if ("preferred-xml".equals(cmd)) { 19251 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 19252 if (opti < args.length && "--full".equals(args[opti])) { 19253 fullPreferred = true; 19254 opti++; 19255 } 19256 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 19257 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 19258 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 19259 dumpState.setDump(DumpState.DUMP_PACKAGES); 19260 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 19261 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 19262 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 19263 dumpState.setDump(DumpState.DUMP_PROVIDERS); 19264 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 19265 dumpState.setDump(DumpState.DUMP_MESSAGES); 19266 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 19267 dumpState.setDump(DumpState.DUMP_VERIFIERS); 19268 } else if ("i".equals(cmd) || "ifv".equals(cmd) 19269 || "intent-filter-verifiers".equals(cmd)) { 19270 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 19271 } else if ("version".equals(cmd)) { 19272 dumpState.setDump(DumpState.DUMP_VERSION); 19273 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 19274 dumpState.setDump(DumpState.DUMP_KEYSETS); 19275 } else if ("installs".equals(cmd)) { 19276 dumpState.setDump(DumpState.DUMP_INSTALLS); 19277 } else if ("frozen".equals(cmd)) { 19278 dumpState.setDump(DumpState.DUMP_FROZEN); 19279 } else if ("dexopt".equals(cmd)) { 19280 dumpState.setDump(DumpState.DUMP_DEXOPT); 19281 } else if ("compiler-stats".equals(cmd)) { 19282 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 19283 } else if ("write".equals(cmd)) { 19284 synchronized (mPackages) { 19285 mSettings.writeLPr(); 19286 pw.println("Settings written."); 19287 return; 19288 } 19289 } 19290 } 19291 19292 if (checkin) { 19293 pw.println("vers,1"); 19294 } 19295 19296 // reader 19297 synchronized (mPackages) { 19298 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 19299 if (!checkin) { 19300 if (dumpState.onTitlePrinted()) 19301 pw.println(); 19302 pw.println("Database versions:"); 19303 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 19304 } 19305 } 19306 19307 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 19308 if (!checkin) { 19309 if (dumpState.onTitlePrinted()) 19310 pw.println(); 19311 pw.println("Verifiers:"); 19312 pw.print(" Required: "); 19313 pw.print(mRequiredVerifierPackage); 19314 pw.print(" (uid="); 19315 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 19316 UserHandle.USER_SYSTEM)); 19317 pw.println(")"); 19318 } else if (mRequiredVerifierPackage != null) { 19319 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 19320 pw.print(","); 19321 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 19322 UserHandle.USER_SYSTEM)); 19323 } 19324 } 19325 19326 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 19327 packageName == null) { 19328 if (mIntentFilterVerifierComponent != null) { 19329 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 19330 if (!checkin) { 19331 if (dumpState.onTitlePrinted()) 19332 pw.println(); 19333 pw.println("Intent Filter Verifier:"); 19334 pw.print(" Using: "); 19335 pw.print(verifierPackageName); 19336 pw.print(" (uid="); 19337 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 19338 UserHandle.USER_SYSTEM)); 19339 pw.println(")"); 19340 } else if (verifierPackageName != null) { 19341 pw.print("ifv,"); pw.print(verifierPackageName); 19342 pw.print(","); 19343 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 19344 UserHandle.USER_SYSTEM)); 19345 } 19346 } else { 19347 pw.println(); 19348 pw.println("No Intent Filter Verifier available!"); 19349 } 19350 } 19351 19352 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 19353 boolean printedHeader = false; 19354 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 19355 while (it.hasNext()) { 19356 String name = it.next(); 19357 SharedLibraryEntry ent = mSharedLibraries.get(name); 19358 if (!checkin) { 19359 if (!printedHeader) { 19360 if (dumpState.onTitlePrinted()) 19361 pw.println(); 19362 pw.println("Libraries:"); 19363 printedHeader = true; 19364 } 19365 pw.print(" "); 19366 } else { 19367 pw.print("lib,"); 19368 } 19369 pw.print(name); 19370 if (!checkin) { 19371 pw.print(" -> "); 19372 } 19373 if (ent.path != null) { 19374 if (!checkin) { 19375 pw.print("(jar) "); 19376 pw.print(ent.path); 19377 } else { 19378 pw.print(",jar,"); 19379 pw.print(ent.path); 19380 } 19381 } else { 19382 if (!checkin) { 19383 pw.print("(apk) "); 19384 pw.print(ent.apk); 19385 } else { 19386 pw.print(",apk,"); 19387 pw.print(ent.apk); 19388 } 19389 } 19390 pw.println(); 19391 } 19392 } 19393 19394 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 19395 if (dumpState.onTitlePrinted()) 19396 pw.println(); 19397 if (!checkin) { 19398 pw.println("Features:"); 19399 } 19400 19401 for (FeatureInfo feat : mAvailableFeatures.values()) { 19402 if (checkin) { 19403 pw.print("feat,"); 19404 pw.print(feat.name); 19405 pw.print(","); 19406 pw.println(feat.version); 19407 } else { 19408 pw.print(" "); 19409 pw.print(feat.name); 19410 if (feat.version > 0) { 19411 pw.print(" version="); 19412 pw.print(feat.version); 19413 } 19414 pw.println(); 19415 } 19416 } 19417 } 19418 19419 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 19420 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 19421 : "Activity Resolver Table:", " ", packageName, 19422 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19423 dumpState.setTitlePrinted(true); 19424 } 19425 } 19426 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 19427 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 19428 : "Receiver Resolver Table:", " ", packageName, 19429 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19430 dumpState.setTitlePrinted(true); 19431 } 19432 } 19433 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 19434 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 19435 : "Service Resolver Table:", " ", packageName, 19436 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19437 dumpState.setTitlePrinted(true); 19438 } 19439 } 19440 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 19441 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 19442 : "Provider Resolver Table:", " ", packageName, 19443 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19444 dumpState.setTitlePrinted(true); 19445 } 19446 } 19447 19448 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 19449 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19450 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19451 int user = mSettings.mPreferredActivities.keyAt(i); 19452 if (pir.dump(pw, 19453 dumpState.getTitlePrinted() 19454 ? "\nPreferred Activities User " + user + ":" 19455 : "Preferred Activities User " + user + ":", " ", 19456 packageName, true, false)) { 19457 dumpState.setTitlePrinted(true); 19458 } 19459 } 19460 } 19461 19462 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 19463 pw.flush(); 19464 FileOutputStream fout = new FileOutputStream(fd); 19465 BufferedOutputStream str = new BufferedOutputStream(fout); 19466 XmlSerializer serializer = new FastXmlSerializer(); 19467 try { 19468 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 19469 serializer.startDocument(null, true); 19470 serializer.setFeature( 19471 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 19472 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 19473 serializer.endDocument(); 19474 serializer.flush(); 19475 } catch (IllegalArgumentException e) { 19476 pw.println("Failed writing: " + e); 19477 } catch (IllegalStateException e) { 19478 pw.println("Failed writing: " + e); 19479 } catch (IOException e) { 19480 pw.println("Failed writing: " + e); 19481 } 19482 } 19483 19484 if (!checkin 19485 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 19486 && packageName == null) { 19487 pw.println(); 19488 int count = mSettings.mPackages.size(); 19489 if (count == 0) { 19490 pw.println("No applications!"); 19491 pw.println(); 19492 } else { 19493 final String prefix = " "; 19494 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 19495 if (allPackageSettings.size() == 0) { 19496 pw.println("No domain preferred apps!"); 19497 pw.println(); 19498 } else { 19499 pw.println("App verification status:"); 19500 pw.println(); 19501 count = 0; 19502 for (PackageSetting ps : allPackageSettings) { 19503 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 19504 if (ivi == null || ivi.getPackageName() == null) continue; 19505 pw.println(prefix + "Package: " + ivi.getPackageName()); 19506 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 19507 pw.println(prefix + "Status: " + ivi.getStatusString()); 19508 pw.println(); 19509 count++; 19510 } 19511 if (count == 0) { 19512 pw.println(prefix + "No app verification established."); 19513 pw.println(); 19514 } 19515 for (int userId : sUserManager.getUserIds()) { 19516 pw.println("App linkages for user " + userId + ":"); 19517 pw.println(); 19518 count = 0; 19519 for (PackageSetting ps : allPackageSettings) { 19520 final long status = ps.getDomainVerificationStatusForUser(userId); 19521 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 19522 continue; 19523 } 19524 pw.println(prefix + "Package: " + ps.name); 19525 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 19526 String statusStr = IntentFilterVerificationInfo. 19527 getStatusStringFromValue(status); 19528 pw.println(prefix + "Status: " + statusStr); 19529 pw.println(); 19530 count++; 19531 } 19532 if (count == 0) { 19533 pw.println(prefix + "No configured app linkages."); 19534 pw.println(); 19535 } 19536 } 19537 } 19538 } 19539 } 19540 19541 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 19542 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 19543 if (packageName == null && permissionNames == null) { 19544 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 19545 if (iperm == 0) { 19546 if (dumpState.onTitlePrinted()) 19547 pw.println(); 19548 pw.println("AppOp Permissions:"); 19549 } 19550 pw.print(" AppOp Permission "); 19551 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 19552 pw.println(":"); 19553 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 19554 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 19555 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 19556 } 19557 } 19558 } 19559 } 19560 19561 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 19562 boolean printedSomething = false; 19563 for (PackageParser.Provider p : mProviders.mProviders.values()) { 19564 if (packageName != null && !packageName.equals(p.info.packageName)) { 19565 continue; 19566 } 19567 if (!printedSomething) { 19568 if (dumpState.onTitlePrinted()) 19569 pw.println(); 19570 pw.println("Registered ContentProviders:"); 19571 printedSomething = true; 19572 } 19573 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 19574 pw.print(" "); pw.println(p.toString()); 19575 } 19576 printedSomething = false; 19577 for (Map.Entry<String, PackageParser.Provider> entry : 19578 mProvidersByAuthority.entrySet()) { 19579 PackageParser.Provider p = entry.getValue(); 19580 if (packageName != null && !packageName.equals(p.info.packageName)) { 19581 continue; 19582 } 19583 if (!printedSomething) { 19584 if (dumpState.onTitlePrinted()) 19585 pw.println(); 19586 pw.println("ContentProvider Authorities:"); 19587 printedSomething = true; 19588 } 19589 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 19590 pw.print(" "); pw.println(p.toString()); 19591 if (p.info != null && p.info.applicationInfo != null) { 19592 final String appInfo = p.info.applicationInfo.toString(); 19593 pw.print(" applicationInfo="); pw.println(appInfo); 19594 } 19595 } 19596 } 19597 19598 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 19599 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 19600 } 19601 19602 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 19603 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 19604 } 19605 19606 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 19607 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 19608 } 19609 19610 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 19611 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 19612 } 19613 19614 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 19615 // XXX should handle packageName != null by dumping only install data that 19616 // the given package is involved with. 19617 if (dumpState.onTitlePrinted()) pw.println(); 19618 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 19619 } 19620 19621 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 19622 // XXX should handle packageName != null by dumping only install data that 19623 // the given package is involved with. 19624 if (dumpState.onTitlePrinted()) pw.println(); 19625 19626 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19627 ipw.println(); 19628 ipw.println("Frozen packages:"); 19629 ipw.increaseIndent(); 19630 if (mFrozenPackages.size() == 0) { 19631 ipw.println("(none)"); 19632 } else { 19633 for (int i = 0; i < mFrozenPackages.size(); i++) { 19634 ipw.println(mFrozenPackages.valueAt(i)); 19635 } 19636 } 19637 ipw.decreaseIndent(); 19638 } 19639 19640 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 19641 if (dumpState.onTitlePrinted()) pw.println(); 19642 dumpDexoptStateLPr(pw, packageName); 19643 } 19644 19645 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 19646 if (dumpState.onTitlePrinted()) pw.println(); 19647 dumpCompilerStatsLPr(pw, packageName); 19648 } 19649 19650 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 19651 if (dumpState.onTitlePrinted()) pw.println(); 19652 mSettings.dumpReadMessagesLPr(pw, dumpState); 19653 19654 pw.println(); 19655 pw.println("Package warning messages:"); 19656 BufferedReader in = null; 19657 String line = null; 19658 try { 19659 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19660 while ((line = in.readLine()) != null) { 19661 if (line.contains("ignored: updated version")) continue; 19662 pw.println(line); 19663 } 19664 } catch (IOException ignored) { 19665 } finally { 19666 IoUtils.closeQuietly(in); 19667 } 19668 } 19669 19670 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 19671 BufferedReader in = null; 19672 String line = null; 19673 try { 19674 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19675 while ((line = in.readLine()) != null) { 19676 if (line.contains("ignored: updated version")) continue; 19677 pw.print("msg,"); 19678 pw.println(line); 19679 } 19680 } catch (IOException ignored) { 19681 } finally { 19682 IoUtils.closeQuietly(in); 19683 } 19684 } 19685 } 19686 } 19687 19688 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 19689 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19690 ipw.println(); 19691 ipw.println("Dexopt state:"); 19692 ipw.increaseIndent(); 19693 Collection<PackageParser.Package> packages = null; 19694 if (packageName != null) { 19695 PackageParser.Package targetPackage = mPackages.get(packageName); 19696 if (targetPackage != null) { 19697 packages = Collections.singletonList(targetPackage); 19698 } else { 19699 ipw.println("Unable to find package: " + packageName); 19700 return; 19701 } 19702 } else { 19703 packages = mPackages.values(); 19704 } 19705 19706 for (PackageParser.Package pkg : packages) { 19707 ipw.println("[" + pkg.packageName + "]"); 19708 ipw.increaseIndent(); 19709 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 19710 ipw.decreaseIndent(); 19711 } 19712 } 19713 19714 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 19715 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19716 ipw.println(); 19717 ipw.println("Compiler stats:"); 19718 ipw.increaseIndent(); 19719 Collection<PackageParser.Package> packages = null; 19720 if (packageName != null) { 19721 PackageParser.Package targetPackage = mPackages.get(packageName); 19722 if (targetPackage != null) { 19723 packages = Collections.singletonList(targetPackage); 19724 } else { 19725 ipw.println("Unable to find package: " + packageName); 19726 return; 19727 } 19728 } else { 19729 packages = mPackages.values(); 19730 } 19731 19732 for (PackageParser.Package pkg : packages) { 19733 ipw.println("[" + pkg.packageName + "]"); 19734 ipw.increaseIndent(); 19735 19736 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 19737 if (stats == null) { 19738 ipw.println("(No recorded stats)"); 19739 } else { 19740 stats.dump(ipw); 19741 } 19742 ipw.decreaseIndent(); 19743 } 19744 } 19745 19746 private String dumpDomainString(String packageName) { 19747 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 19748 .getList(); 19749 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 19750 19751 ArraySet<String> result = new ArraySet<>(); 19752 if (iviList.size() > 0) { 19753 for (IntentFilterVerificationInfo ivi : iviList) { 19754 for (String host : ivi.getDomains()) { 19755 result.add(host); 19756 } 19757 } 19758 } 19759 if (filters != null && filters.size() > 0) { 19760 for (IntentFilter filter : filters) { 19761 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 19762 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 19763 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 19764 result.addAll(filter.getHostsList()); 19765 } 19766 } 19767 } 19768 19769 StringBuilder sb = new StringBuilder(result.size() * 16); 19770 for (String domain : result) { 19771 if (sb.length() > 0) sb.append(" "); 19772 sb.append(domain); 19773 } 19774 return sb.toString(); 19775 } 19776 19777 // ------- apps on sdcard specific code ------- 19778 static final boolean DEBUG_SD_INSTALL = false; 19779 19780 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 19781 19782 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 19783 19784 private boolean mMediaMounted = false; 19785 19786 static String getEncryptKey() { 19787 try { 19788 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 19789 SD_ENCRYPTION_KEYSTORE_NAME); 19790 if (sdEncKey == null) { 19791 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 19792 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 19793 if (sdEncKey == null) { 19794 Slog.e(TAG, "Failed to create encryption keys"); 19795 return null; 19796 } 19797 } 19798 return sdEncKey; 19799 } catch (NoSuchAlgorithmException nsae) { 19800 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 19801 return null; 19802 } catch (IOException ioe) { 19803 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 19804 return null; 19805 } 19806 } 19807 19808 /* 19809 * Update media status on PackageManager. 19810 */ 19811 @Override 19812 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 19813 int callingUid = Binder.getCallingUid(); 19814 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 19815 throw new SecurityException("Media status can only be updated by the system"); 19816 } 19817 // reader; this apparently protects mMediaMounted, but should probably 19818 // be a different lock in that case. 19819 synchronized (mPackages) { 19820 Log.i(TAG, "Updating external media status from " 19821 + (mMediaMounted ? "mounted" : "unmounted") + " to " 19822 + (mediaStatus ? "mounted" : "unmounted")); 19823 if (DEBUG_SD_INSTALL) 19824 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 19825 + ", mMediaMounted=" + mMediaMounted); 19826 if (mediaStatus == mMediaMounted) { 19827 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 19828 : 0, -1); 19829 mHandler.sendMessage(msg); 19830 return; 19831 } 19832 mMediaMounted = mediaStatus; 19833 } 19834 // Queue up an async operation since the package installation may take a 19835 // little while. 19836 mHandler.post(new Runnable() { 19837 public void run() { 19838 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 19839 } 19840 }); 19841 } 19842 19843 /** 19844 * Called by StorageManagerService when the initial ASECs to scan are available. 19845 * Should block until all the ASEC containers are finished being scanned. 19846 */ 19847 public void scanAvailableAsecs() { 19848 updateExternalMediaStatusInner(true, false, false); 19849 } 19850 19851 /* 19852 * Collect information of applications on external media, map them against 19853 * existing containers and update information based on current mount status. 19854 * Please note that we always have to report status if reportStatus has been 19855 * set to true especially when unloading packages. 19856 */ 19857 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 19858 boolean externalStorage) { 19859 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 19860 int[] uidArr = EmptyArray.INT; 19861 19862 final String[] list = PackageHelper.getSecureContainerList(); 19863 if (ArrayUtils.isEmpty(list)) { 19864 Log.i(TAG, "No secure containers found"); 19865 } else { 19866 // Process list of secure containers and categorize them 19867 // as active or stale based on their package internal state. 19868 19869 // reader 19870 synchronized (mPackages) { 19871 for (String cid : list) { 19872 // Leave stages untouched for now; installer service owns them 19873 if (PackageInstallerService.isStageName(cid)) continue; 19874 19875 if (DEBUG_SD_INSTALL) 19876 Log.i(TAG, "Processing container " + cid); 19877 String pkgName = getAsecPackageName(cid); 19878 if (pkgName == null) { 19879 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19880 continue; 19881 } 19882 if (DEBUG_SD_INSTALL) 19883 Log.i(TAG, "Looking for pkg : " + pkgName); 19884 19885 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19886 if (ps == null) { 19887 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19888 continue; 19889 } 19890 19891 /* 19892 * Skip packages that are not external if we're unmounting 19893 * external storage. 19894 */ 19895 if (externalStorage && !isMounted && !isExternal(ps)) { 19896 continue; 19897 } 19898 19899 final AsecInstallArgs args = new AsecInstallArgs(cid, 19900 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19901 // The package status is changed only if the code path 19902 // matches between settings and the container id. 19903 if (ps.codePathString != null 19904 && ps.codePathString.startsWith(args.getCodePath())) { 19905 if (DEBUG_SD_INSTALL) { 19906 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19907 + " at code path: " + ps.codePathString); 19908 } 19909 19910 // We do have a valid package installed on sdcard 19911 processCids.put(args, ps.codePathString); 19912 final int uid = ps.appId; 19913 if (uid != -1) { 19914 uidArr = ArrayUtils.appendInt(uidArr, uid); 19915 } 19916 } else { 19917 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19918 + ps.codePathString); 19919 } 19920 } 19921 } 19922 19923 Arrays.sort(uidArr); 19924 } 19925 19926 // Process packages with valid entries. 19927 if (isMounted) { 19928 if (DEBUG_SD_INSTALL) 19929 Log.i(TAG, "Loading packages"); 19930 loadMediaPackages(processCids, uidArr, externalStorage); 19931 startCleaningPackages(); 19932 mInstallerService.onSecureContainersAvailable(); 19933 } else { 19934 if (DEBUG_SD_INSTALL) 19935 Log.i(TAG, "Unloading packages"); 19936 unloadMediaPackages(processCids, uidArr, reportStatus); 19937 } 19938 } 19939 19940 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19941 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19942 final int size = infos.size(); 19943 final String[] packageNames = new String[size]; 19944 final int[] packageUids = new int[size]; 19945 for (int i = 0; i < size; i++) { 19946 final ApplicationInfo info = infos.get(i); 19947 packageNames[i] = info.packageName; 19948 packageUids[i] = info.uid; 19949 } 19950 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19951 finishedReceiver); 19952 } 19953 19954 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19955 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19956 sendResourcesChangedBroadcast(mediaStatus, replacing, 19957 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19958 } 19959 19960 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19961 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19962 int size = pkgList.length; 19963 if (size > 0) { 19964 // Send broadcasts here 19965 Bundle extras = new Bundle(); 19966 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19967 if (uidArr != null) { 19968 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19969 } 19970 if (replacing) { 19971 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19972 } 19973 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19974 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19975 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19976 } 19977 } 19978 19979 /* 19980 * Look at potentially valid container ids from processCids If package 19981 * information doesn't match the one on record or package scanning fails, 19982 * the cid is added to list of removeCids. We currently don't delete stale 19983 * containers. 19984 */ 19985 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19986 boolean externalStorage) { 19987 ArrayList<String> pkgList = new ArrayList<String>(); 19988 Set<AsecInstallArgs> keys = processCids.keySet(); 19989 19990 for (AsecInstallArgs args : keys) { 19991 String codePath = processCids.get(args); 19992 if (DEBUG_SD_INSTALL) 19993 Log.i(TAG, "Loading container : " + args.cid); 19994 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19995 try { 19996 // Make sure there are no container errors first. 19997 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19998 Slog.e(TAG, "Failed to mount cid : " + args.cid 19999 + " when installing from sdcard"); 20000 continue; 20001 } 20002 // Check code path here. 20003 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 20004 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 20005 + " does not match one in settings " + codePath); 20006 continue; 20007 } 20008 // Parse package 20009 int parseFlags = mDefParseFlags; 20010 if (args.isExternalAsec()) { 20011 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 20012 } 20013 if (args.isFwdLocked()) { 20014 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 20015 } 20016 20017 synchronized (mInstallLock) { 20018 PackageParser.Package pkg = null; 20019 try { 20020 // Sadly we don't know the package name yet to freeze it 20021 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 20022 SCAN_IGNORE_FROZEN, 0, null); 20023 } catch (PackageManagerException e) { 20024 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 20025 } 20026 // Scan the package 20027 if (pkg != null) { 20028 /* 20029 * TODO why is the lock being held? doPostInstall is 20030 * called in other places without the lock. This needs 20031 * to be straightened out. 20032 */ 20033 // writer 20034 synchronized (mPackages) { 20035 retCode = PackageManager.INSTALL_SUCCEEDED; 20036 pkgList.add(pkg.packageName); 20037 // Post process args 20038 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 20039 pkg.applicationInfo.uid); 20040 } 20041 } else { 20042 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 20043 } 20044 } 20045 20046 } finally { 20047 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 20048 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 20049 } 20050 } 20051 } 20052 // writer 20053 synchronized (mPackages) { 20054 // If the platform SDK has changed since the last time we booted, 20055 // we need to re-grant app permission to catch any new ones that 20056 // appear. This is really a hack, and means that apps can in some 20057 // cases get permissions that the user didn't initially explicitly 20058 // allow... it would be nice to have some better way to handle 20059 // this situation. 20060 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 20061 : mSettings.getInternalVersion(); 20062 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 20063 : StorageManager.UUID_PRIVATE_INTERNAL; 20064 20065 int updateFlags = UPDATE_PERMISSIONS_ALL; 20066 if (ver.sdkVersion != mSdkVersion) { 20067 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 20068 + mSdkVersion + "; regranting permissions for external"); 20069 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 20070 } 20071 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 20072 20073 // Yay, everything is now upgraded 20074 ver.forceCurrent(); 20075 20076 // can downgrade to reader 20077 // Persist settings 20078 mSettings.writeLPr(); 20079 } 20080 // Send a broadcast to let everyone know we are done processing 20081 if (pkgList.size() > 0) { 20082 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 20083 } 20084 } 20085 20086 /* 20087 * Utility method to unload a list of specified containers 20088 */ 20089 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 20090 // Just unmount all valid containers. 20091 for (AsecInstallArgs arg : cidArgs) { 20092 synchronized (mInstallLock) { 20093 arg.doPostDeleteLI(false); 20094 } 20095 } 20096 } 20097 20098 /* 20099 * Unload packages mounted on external media. This involves deleting package 20100 * data from internal structures, sending broadcasts about disabled packages, 20101 * gc'ing to free up references, unmounting all secure containers 20102 * corresponding to packages on external media, and posting a 20103 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 20104 * that we always have to post this message if status has been requested no 20105 * matter what. 20106 */ 20107 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 20108 final boolean reportStatus) { 20109 if (DEBUG_SD_INSTALL) 20110 Log.i(TAG, "unloading media packages"); 20111 ArrayList<String> pkgList = new ArrayList<String>(); 20112 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 20113 final Set<AsecInstallArgs> keys = processCids.keySet(); 20114 for (AsecInstallArgs args : keys) { 20115 String pkgName = args.getPackageName(); 20116 if (DEBUG_SD_INSTALL) 20117 Log.i(TAG, "Trying to unload pkg : " + pkgName); 20118 // Delete package internally 20119 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 20120 synchronized (mInstallLock) { 20121 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 20122 final boolean res; 20123 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 20124 "unloadMediaPackages")) { 20125 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 20126 null); 20127 } 20128 if (res) { 20129 pkgList.add(pkgName); 20130 } else { 20131 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 20132 failedList.add(args); 20133 } 20134 } 20135 } 20136 20137 // reader 20138 synchronized (mPackages) { 20139 // We didn't update the settings after removing each package; 20140 // write them now for all packages. 20141 mSettings.writeLPr(); 20142 } 20143 20144 // We have to absolutely send UPDATED_MEDIA_STATUS only 20145 // after confirming that all the receivers processed the ordered 20146 // broadcast when packages get disabled, force a gc to clean things up. 20147 // and unload all the containers. 20148 if (pkgList.size() > 0) { 20149 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 20150 new IIntentReceiver.Stub() { 20151 public void performReceive(Intent intent, int resultCode, String data, 20152 Bundle extras, boolean ordered, boolean sticky, 20153 int sendingUser) throws RemoteException { 20154 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 20155 reportStatus ? 1 : 0, 1, keys); 20156 mHandler.sendMessage(msg); 20157 } 20158 }); 20159 } else { 20160 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 20161 keys); 20162 mHandler.sendMessage(msg); 20163 } 20164 } 20165 20166 private void loadPrivatePackages(final VolumeInfo vol) { 20167 mHandler.post(new Runnable() { 20168 @Override 20169 public void run() { 20170 loadPrivatePackagesInner(vol); 20171 } 20172 }); 20173 } 20174 20175 private void loadPrivatePackagesInner(VolumeInfo vol) { 20176 final String volumeUuid = vol.fsUuid; 20177 if (TextUtils.isEmpty(volumeUuid)) { 20178 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 20179 return; 20180 } 20181 20182 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 20183 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 20184 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 20185 20186 final VersionInfo ver; 20187 final List<PackageSetting> packages; 20188 synchronized (mPackages) { 20189 ver = mSettings.findOrCreateVersion(volumeUuid); 20190 packages = mSettings.getVolumePackagesLPr(volumeUuid); 20191 } 20192 20193 for (PackageSetting ps : packages) { 20194 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 20195 synchronized (mInstallLock) { 20196 final PackageParser.Package pkg; 20197 try { 20198 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 20199 loaded.add(pkg.applicationInfo); 20200 20201 } catch (PackageManagerException e) { 20202 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 20203 } 20204 20205 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 20206 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 20207 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 20208 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 20209 } 20210 } 20211 } 20212 20213 // Reconcile app data for all started/unlocked users 20214 final StorageManager sm = mContext.getSystemService(StorageManager.class); 20215 final UserManager um = mContext.getSystemService(UserManager.class); 20216 UserManagerInternal umInternal = getUserManagerInternal(); 20217 for (UserInfo user : um.getUsers()) { 20218 final int flags; 20219 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 20220 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 20221 } else if (umInternal.isUserRunning(user.id)) { 20222 flags = StorageManager.FLAG_STORAGE_DE; 20223 } else { 20224 continue; 20225 } 20226 20227 try { 20228 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 20229 synchronized (mInstallLock) { 20230 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 20231 } 20232 } catch (IllegalStateException e) { 20233 // Device was probably ejected, and we'll process that event momentarily 20234 Slog.w(TAG, "Failed to prepare storage: " + e); 20235 } 20236 } 20237 20238 synchronized (mPackages) { 20239 int updateFlags = UPDATE_PERMISSIONS_ALL; 20240 if (ver.sdkVersion != mSdkVersion) { 20241 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 20242 + mSdkVersion + "; regranting permissions for " + volumeUuid); 20243 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 20244 } 20245 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 20246 20247 // Yay, everything is now upgraded 20248 ver.forceCurrent(); 20249 20250 mSettings.writeLPr(); 20251 } 20252 20253 for (PackageFreezer freezer : freezers) { 20254 freezer.close(); 20255 } 20256 20257 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 20258 sendResourcesChangedBroadcast(true, false, loaded, null); 20259 } 20260 20261 private void unloadPrivatePackages(final VolumeInfo vol) { 20262 mHandler.post(new Runnable() { 20263 @Override 20264 public void run() { 20265 unloadPrivatePackagesInner(vol); 20266 } 20267 }); 20268 } 20269 20270 private void unloadPrivatePackagesInner(VolumeInfo vol) { 20271 final String volumeUuid = vol.fsUuid; 20272 if (TextUtils.isEmpty(volumeUuid)) { 20273 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 20274 return; 20275 } 20276 20277 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 20278 synchronized (mInstallLock) { 20279 synchronized (mPackages) { 20280 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 20281 for (PackageSetting ps : packages) { 20282 if (ps.pkg == null) continue; 20283 20284 final ApplicationInfo info = ps.pkg.applicationInfo; 20285 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 20286 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 20287 20288 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 20289 "unloadPrivatePackagesInner")) { 20290 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 20291 false, null)) { 20292 unloaded.add(info); 20293 } else { 20294 Slog.w(TAG, "Failed to unload " + ps.codePath); 20295 } 20296 } 20297 20298 // Try very hard to release any references to this package 20299 // so we don't risk the system server being killed due to 20300 // open FDs 20301 AttributeCache.instance().removePackage(ps.name); 20302 } 20303 20304 mSettings.writeLPr(); 20305 } 20306 } 20307 20308 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 20309 sendResourcesChangedBroadcast(false, false, unloaded, null); 20310 20311 // Try very hard to release any references to this path so we don't risk 20312 // the system server being killed due to open FDs 20313 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 20314 20315 for (int i = 0; i < 3; i++) { 20316 System.gc(); 20317 System.runFinalization(); 20318 } 20319 } 20320 20321 /** 20322 * Prepare storage areas for given user on all mounted devices. 20323 */ 20324 void prepareUserData(int userId, int userSerial, int flags) { 20325 synchronized (mInstallLock) { 20326 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20327 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 20328 final String volumeUuid = vol.getFsUuid(); 20329 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 20330 } 20331 } 20332 } 20333 20334 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 20335 boolean allowRecover) { 20336 // Prepare storage and verify that serial numbers are consistent; if 20337 // there's a mismatch we need to destroy to avoid leaking data 20338 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20339 try { 20340 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 20341 20342 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 20343 UserManagerService.enforceSerialNumber( 20344 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 20345 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 20346 UserManagerService.enforceSerialNumber( 20347 Environment.getDataSystemDeDirectory(userId), userSerial); 20348 } 20349 } 20350 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 20351 UserManagerService.enforceSerialNumber( 20352 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 20353 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 20354 UserManagerService.enforceSerialNumber( 20355 Environment.getDataSystemCeDirectory(userId), userSerial); 20356 } 20357 } 20358 20359 synchronized (mInstallLock) { 20360 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 20361 } 20362 } catch (Exception e) { 20363 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 20364 + " because we failed to prepare: " + e); 20365 destroyUserDataLI(volumeUuid, userId, 20366 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 20367 20368 if (allowRecover) { 20369 // Try one last time; if we fail again we're really in trouble 20370 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 20371 } 20372 } 20373 } 20374 20375 /** 20376 * Destroy storage areas for given user on all mounted devices. 20377 */ 20378 void destroyUserData(int userId, int flags) { 20379 synchronized (mInstallLock) { 20380 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20381 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 20382 final String volumeUuid = vol.getFsUuid(); 20383 destroyUserDataLI(volumeUuid, userId, flags); 20384 } 20385 } 20386 } 20387 20388 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 20389 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20390 try { 20391 // Clean up app data, profile data, and media data 20392 mInstaller.destroyUserData(volumeUuid, userId, flags); 20393 20394 // Clean up system data 20395 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 20396 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 20397 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 20398 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 20399 } 20400 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20401 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 20402 } 20403 } 20404 20405 // Data with special labels is now gone, so finish the job 20406 storage.destroyUserStorage(volumeUuid, userId, flags); 20407 20408 } catch (Exception e) { 20409 logCriticalInfo(Log.WARN, 20410 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 20411 } 20412 } 20413 20414 /** 20415 * Examine all users present on given mounted volume, and destroy data 20416 * belonging to users that are no longer valid, or whose user ID has been 20417 * recycled. 20418 */ 20419 private void reconcileUsers(String volumeUuid) { 20420 final List<File> files = new ArrayList<>(); 20421 Collections.addAll(files, FileUtils 20422 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 20423 Collections.addAll(files, FileUtils 20424 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 20425 Collections.addAll(files, FileUtils 20426 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 20427 Collections.addAll(files, FileUtils 20428 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 20429 for (File file : files) { 20430 if (!file.isDirectory()) continue; 20431 20432 final int userId; 20433 final UserInfo info; 20434 try { 20435 userId = Integer.parseInt(file.getName()); 20436 info = sUserManager.getUserInfo(userId); 20437 } catch (NumberFormatException e) { 20438 Slog.w(TAG, "Invalid user directory " + file); 20439 continue; 20440 } 20441 20442 boolean destroyUser = false; 20443 if (info == null) { 20444 logCriticalInfo(Log.WARN, "Destroying user directory " + file 20445 + " because no matching user was found"); 20446 destroyUser = true; 20447 } else if (!mOnlyCore) { 20448 try { 20449 UserManagerService.enforceSerialNumber(file, info.serialNumber); 20450 } catch (IOException e) { 20451 logCriticalInfo(Log.WARN, "Destroying user directory " + file 20452 + " because we failed to enforce serial number: " + e); 20453 destroyUser = true; 20454 } 20455 } 20456 20457 if (destroyUser) { 20458 synchronized (mInstallLock) { 20459 destroyUserDataLI(volumeUuid, userId, 20460 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 20461 } 20462 } 20463 } 20464 } 20465 20466 private void assertPackageKnown(String volumeUuid, String packageName) 20467 throws PackageManagerException { 20468 synchronized (mPackages) { 20469 // Normalize package name to handle renamed packages 20470 packageName = normalizePackageNameLPr(packageName); 20471 20472 final PackageSetting ps = mSettings.mPackages.get(packageName); 20473 if (ps == null) { 20474 throw new PackageManagerException("Package " + packageName + " is unknown"); 20475 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 20476 throw new PackageManagerException( 20477 "Package " + packageName + " found on unknown volume " + volumeUuid 20478 + "; expected volume " + ps.volumeUuid); 20479 } 20480 } 20481 } 20482 20483 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 20484 throws PackageManagerException { 20485 synchronized (mPackages) { 20486 // Normalize package name to handle renamed packages 20487 packageName = normalizePackageNameLPr(packageName); 20488 20489 final PackageSetting ps = mSettings.mPackages.get(packageName); 20490 if (ps == null) { 20491 throw new PackageManagerException("Package " + packageName + " is unknown"); 20492 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 20493 throw new PackageManagerException( 20494 "Package " + packageName + " found on unknown volume " + volumeUuid 20495 + "; expected volume " + ps.volumeUuid); 20496 } else if (!ps.getInstalled(userId)) { 20497 throw new PackageManagerException( 20498 "Package " + packageName + " not installed for user " + userId); 20499 } 20500 } 20501 } 20502 20503 /** 20504 * Examine all apps present on given mounted volume, and destroy apps that 20505 * aren't expected, either due to uninstallation or reinstallation on 20506 * another volume. 20507 */ 20508 private void reconcileApps(String volumeUuid) { 20509 final File[] files = FileUtils 20510 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 20511 for (File file : files) { 20512 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 20513 && !PackageInstallerService.isStageName(file.getName()); 20514 if (!isPackage) { 20515 // Ignore entries which are not packages 20516 continue; 20517 } 20518 20519 try { 20520 final PackageLite pkg = PackageParser.parsePackageLite(file, 20521 PackageParser.PARSE_MUST_BE_APK); 20522 assertPackageKnown(volumeUuid, pkg.packageName); 20523 20524 } catch (PackageParserException | PackageManagerException e) { 20525 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20526 synchronized (mInstallLock) { 20527 removeCodePathLI(file); 20528 } 20529 } 20530 } 20531 } 20532 20533 /** 20534 * Reconcile all app data for the given user. 20535 * <p> 20536 * Verifies that directories exist and that ownership and labeling is 20537 * correct for all installed apps on all mounted volumes. 20538 */ 20539 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 20540 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20541 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 20542 final String volumeUuid = vol.getFsUuid(); 20543 synchronized (mInstallLock) { 20544 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 20545 } 20546 } 20547 } 20548 20549 /** 20550 * Reconcile all app data on given mounted volume. 20551 * <p> 20552 * Destroys app data that isn't expected, either due to uninstallation or 20553 * reinstallation on another volume. 20554 * <p> 20555 * Verifies that directories exist and that ownership and labeling is 20556 * correct for all installed apps. 20557 */ 20558 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 20559 boolean migrateAppData) { 20560 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 20561 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 20562 20563 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 20564 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 20565 20566 // First look for stale data that doesn't belong, and check if things 20567 // have changed since we did our last restorecon 20568 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20569 if (StorageManager.isFileEncryptedNativeOrEmulated() 20570 && !StorageManager.isUserKeyUnlocked(userId)) { 20571 throw new RuntimeException( 20572 "Yikes, someone asked us to reconcile CE storage while " + userId 20573 + " was still locked; this would have caused massive data loss!"); 20574 } 20575 20576 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 20577 for (File file : files) { 20578 final String packageName = file.getName(); 20579 try { 20580 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 20581 } catch (PackageManagerException e) { 20582 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20583 try { 20584 mInstaller.destroyAppData(volumeUuid, packageName, userId, 20585 StorageManager.FLAG_STORAGE_CE, 0); 20586 } catch (InstallerException e2) { 20587 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 20588 } 20589 } 20590 } 20591 } 20592 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 20593 final File[] files = FileUtils.listFilesOrEmpty(deDir); 20594 for (File file : files) { 20595 final String packageName = file.getName(); 20596 try { 20597 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 20598 } catch (PackageManagerException e) { 20599 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20600 try { 20601 mInstaller.destroyAppData(volumeUuid, packageName, userId, 20602 StorageManager.FLAG_STORAGE_DE, 0); 20603 } catch (InstallerException e2) { 20604 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 20605 } 20606 } 20607 } 20608 } 20609 20610 // Ensure that data directories are ready to roll for all packages 20611 // installed for this volume and user 20612 final List<PackageSetting> packages; 20613 synchronized (mPackages) { 20614 packages = mSettings.getVolumePackagesLPr(volumeUuid); 20615 } 20616 int preparedCount = 0; 20617 for (PackageSetting ps : packages) { 20618 final String packageName = ps.name; 20619 if (ps.pkg == null) { 20620 Slog.w(TAG, "Odd, missing scanned package " + packageName); 20621 // TODO: might be due to legacy ASEC apps; we should circle back 20622 // and reconcile again once they're scanned 20623 continue; 20624 } 20625 20626 if (ps.getInstalled(userId)) { 20627 prepareAppDataLIF(ps.pkg, userId, flags); 20628 20629 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 20630 // We may have just shuffled around app data directories, so 20631 // prepare them one more time 20632 prepareAppDataLIF(ps.pkg, userId, flags); 20633 } 20634 20635 preparedCount++; 20636 } 20637 } 20638 20639 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 20640 } 20641 20642 /** 20643 * Prepare app data for the given app just after it was installed or 20644 * upgraded. This method carefully only touches users that it's installed 20645 * for, and it forces a restorecon to handle any seinfo changes. 20646 * <p> 20647 * Verifies that directories exist and that ownership and labeling is 20648 * correct for all installed apps. If there is an ownership mismatch, it 20649 * will try recovering system apps by wiping data; third-party app data is 20650 * left intact. 20651 * <p> 20652 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 20653 */ 20654 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 20655 final PackageSetting ps; 20656 synchronized (mPackages) { 20657 ps = mSettings.mPackages.get(pkg.packageName); 20658 mSettings.writeKernelMappingLPr(ps); 20659 } 20660 20661 final UserManager um = mContext.getSystemService(UserManager.class); 20662 UserManagerInternal umInternal = getUserManagerInternal(); 20663 for (UserInfo user : um.getUsers()) { 20664 final int flags; 20665 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 20666 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 20667 } else if (umInternal.isUserRunning(user.id)) { 20668 flags = StorageManager.FLAG_STORAGE_DE; 20669 } else { 20670 continue; 20671 } 20672 20673 if (ps.getInstalled(user.id)) { 20674 // TODO: when user data is locked, mark that we're still dirty 20675 prepareAppDataLIF(pkg, user.id, flags); 20676 } 20677 } 20678 } 20679 20680 /** 20681 * Prepare app data for the given app. 20682 * <p> 20683 * Verifies that directories exist and that ownership and labeling is 20684 * correct for all installed apps. If there is an ownership mismatch, this 20685 * will try recovering system apps by wiping data; third-party app data is 20686 * left intact. 20687 */ 20688 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 20689 if (pkg == null) { 20690 Slog.wtf(TAG, "Package was null!", new Throwable()); 20691 return; 20692 } 20693 prepareAppDataLeafLIF(pkg, userId, flags); 20694 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20695 for (int i = 0; i < childCount; i++) { 20696 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 20697 } 20698 } 20699 20700 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20701 if (DEBUG_APP_DATA) { 20702 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 20703 + Integer.toHexString(flags)); 20704 } 20705 20706 final String volumeUuid = pkg.volumeUuid; 20707 final String packageName = pkg.packageName; 20708 final ApplicationInfo app = pkg.applicationInfo; 20709 final int appId = UserHandle.getAppId(app.uid); 20710 20711 Preconditions.checkNotNull(app.seinfo); 20712 20713 long ceDataInode = -1; 20714 try { 20715 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20716 appId, app.seinfo, app.targetSdkVersion); 20717 } catch (InstallerException e) { 20718 if (app.isSystemApp()) { 20719 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 20720 + ", but trying to recover: " + e); 20721 destroyAppDataLeafLIF(pkg, userId, flags); 20722 try { 20723 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20724 appId, app.seinfo, app.targetSdkVersion); 20725 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 20726 } catch (InstallerException e2) { 20727 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 20728 } 20729 } else { 20730 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 20731 } 20732 } 20733 20734 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 20735 // TODO: mark this structure as dirty so we persist it! 20736 synchronized (mPackages) { 20737 final PackageSetting ps = mSettings.mPackages.get(packageName); 20738 if (ps != null) { 20739 ps.setCeDataInode(ceDataInode, userId); 20740 } 20741 } 20742 } 20743 20744 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20745 } 20746 20747 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 20748 if (pkg == null) { 20749 Slog.wtf(TAG, "Package was null!", new Throwable()); 20750 return; 20751 } 20752 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20753 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20754 for (int i = 0; i < childCount; i++) { 20755 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 20756 } 20757 } 20758 20759 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20760 final String volumeUuid = pkg.volumeUuid; 20761 final String packageName = pkg.packageName; 20762 final ApplicationInfo app = pkg.applicationInfo; 20763 20764 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20765 // Create a native library symlink only if we have native libraries 20766 // and if the native libraries are 32 bit libraries. We do not provide 20767 // this symlink for 64 bit libraries. 20768 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 20769 final String nativeLibPath = app.nativeLibraryDir; 20770 try { 20771 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 20772 nativeLibPath, userId); 20773 } catch (InstallerException e) { 20774 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 20775 } 20776 } 20777 } 20778 } 20779 20780 /** 20781 * For system apps on non-FBE devices, this method migrates any existing 20782 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 20783 * requested by the app. 20784 */ 20785 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 20786 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 20787 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 20788 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 20789 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 20790 try { 20791 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 20792 storageTarget); 20793 } catch (InstallerException e) { 20794 logCriticalInfo(Log.WARN, 20795 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 20796 } 20797 return true; 20798 } else { 20799 return false; 20800 } 20801 } 20802 20803 public PackageFreezer freezePackage(String packageName, String killReason) { 20804 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 20805 } 20806 20807 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 20808 return new PackageFreezer(packageName, userId, killReason); 20809 } 20810 20811 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 20812 String killReason) { 20813 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 20814 } 20815 20816 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 20817 String killReason) { 20818 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 20819 return new PackageFreezer(); 20820 } else { 20821 return freezePackage(packageName, userId, killReason); 20822 } 20823 } 20824 20825 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 20826 String killReason) { 20827 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 20828 } 20829 20830 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 20831 String killReason) { 20832 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 20833 return new PackageFreezer(); 20834 } else { 20835 return freezePackage(packageName, userId, killReason); 20836 } 20837 } 20838 20839 /** 20840 * Class that freezes and kills the given package upon creation, and 20841 * unfreezes it upon closing. This is typically used when doing surgery on 20842 * app code/data to prevent the app from running while you're working. 20843 */ 20844 private class PackageFreezer implements AutoCloseable { 20845 private final String mPackageName; 20846 private final PackageFreezer[] mChildren; 20847 20848 private final boolean mWeFroze; 20849 20850 private final AtomicBoolean mClosed = new AtomicBoolean(); 20851 private final CloseGuard mCloseGuard = CloseGuard.get(); 20852 20853 /** 20854 * Create and return a stub freezer that doesn't actually do anything, 20855 * typically used when someone requested 20856 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20857 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20858 */ 20859 public PackageFreezer() { 20860 mPackageName = null; 20861 mChildren = null; 20862 mWeFroze = false; 20863 mCloseGuard.open("close"); 20864 } 20865 20866 public PackageFreezer(String packageName, int userId, String killReason) { 20867 synchronized (mPackages) { 20868 mPackageName = packageName; 20869 mWeFroze = mFrozenPackages.add(mPackageName); 20870 20871 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20872 if (ps != null) { 20873 killApplication(ps.name, ps.appId, userId, killReason); 20874 } 20875 20876 final PackageParser.Package p = mPackages.get(packageName); 20877 if (p != null && p.childPackages != null) { 20878 final int N = p.childPackages.size(); 20879 mChildren = new PackageFreezer[N]; 20880 for (int i = 0; i < N; i++) { 20881 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20882 userId, killReason); 20883 } 20884 } else { 20885 mChildren = null; 20886 } 20887 } 20888 mCloseGuard.open("close"); 20889 } 20890 20891 @Override 20892 protected void finalize() throws Throwable { 20893 try { 20894 mCloseGuard.warnIfOpen(); 20895 close(); 20896 } finally { 20897 super.finalize(); 20898 } 20899 } 20900 20901 @Override 20902 public void close() { 20903 mCloseGuard.close(); 20904 if (mClosed.compareAndSet(false, true)) { 20905 synchronized (mPackages) { 20906 if (mWeFroze) { 20907 mFrozenPackages.remove(mPackageName); 20908 } 20909 20910 if (mChildren != null) { 20911 for (PackageFreezer freezer : mChildren) { 20912 freezer.close(); 20913 } 20914 } 20915 } 20916 } 20917 } 20918 } 20919 20920 /** 20921 * Verify that given package is currently frozen. 20922 */ 20923 private void checkPackageFrozen(String packageName) { 20924 synchronized (mPackages) { 20925 if (!mFrozenPackages.contains(packageName)) { 20926 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20927 } 20928 } 20929 } 20930 20931 @Override 20932 public int movePackage(final String packageName, final String volumeUuid) { 20933 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20934 20935 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20936 final int moveId = mNextMoveId.getAndIncrement(); 20937 mHandler.post(new Runnable() { 20938 @Override 20939 public void run() { 20940 try { 20941 movePackageInternal(packageName, volumeUuid, moveId, user); 20942 } catch (PackageManagerException e) { 20943 Slog.w(TAG, "Failed to move " + packageName, e); 20944 mMoveCallbacks.notifyStatusChanged(moveId, 20945 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20946 } 20947 } 20948 }); 20949 return moveId; 20950 } 20951 20952 private void movePackageInternal(final String packageName, final String volumeUuid, 20953 final int moveId, UserHandle user) throws PackageManagerException { 20954 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20955 final PackageManager pm = mContext.getPackageManager(); 20956 20957 final boolean currentAsec; 20958 final String currentVolumeUuid; 20959 final File codeFile; 20960 final String installerPackageName; 20961 final String packageAbiOverride; 20962 final int appId; 20963 final String seinfo; 20964 final String label; 20965 final int targetSdkVersion; 20966 final PackageFreezer freezer; 20967 final int[] installedUserIds; 20968 20969 // reader 20970 synchronized (mPackages) { 20971 final PackageParser.Package pkg = mPackages.get(packageName); 20972 final PackageSetting ps = mSettings.mPackages.get(packageName); 20973 if (pkg == null || ps == null) { 20974 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20975 } 20976 20977 if (pkg.applicationInfo.isSystemApp()) { 20978 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20979 "Cannot move system application"); 20980 } 20981 20982 if (pkg.applicationInfo.isExternalAsec()) { 20983 currentAsec = true; 20984 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20985 } else if (pkg.applicationInfo.isForwardLocked()) { 20986 currentAsec = true; 20987 currentVolumeUuid = "forward_locked"; 20988 } else { 20989 currentAsec = false; 20990 currentVolumeUuid = ps.volumeUuid; 20991 20992 final File probe = new File(pkg.codePath); 20993 final File probeOat = new File(probe, "oat"); 20994 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20995 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20996 "Move only supported for modern cluster style installs"); 20997 } 20998 } 20999 21000 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 21001 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21002 "Package already moved to " + volumeUuid); 21003 } 21004 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 21005 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 21006 "Device admin cannot be moved"); 21007 } 21008 21009 if (mFrozenPackages.contains(packageName)) { 21010 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 21011 "Failed to move already frozen package"); 21012 } 21013 21014 codeFile = new File(pkg.codePath); 21015 installerPackageName = ps.installerPackageName; 21016 packageAbiOverride = ps.cpuAbiOverrideString; 21017 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 21018 seinfo = pkg.applicationInfo.seinfo; 21019 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 21020 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 21021 freezer = freezePackage(packageName, "movePackageInternal"); 21022 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 21023 } 21024 21025 final Bundle extras = new Bundle(); 21026 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 21027 extras.putString(Intent.EXTRA_TITLE, label); 21028 mMoveCallbacks.notifyCreated(moveId, extras); 21029 21030 int installFlags; 21031 final boolean moveCompleteApp; 21032 final File measurePath; 21033 21034 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 21035 installFlags = INSTALL_INTERNAL; 21036 moveCompleteApp = !currentAsec; 21037 measurePath = Environment.getDataAppDirectory(volumeUuid); 21038 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 21039 installFlags = INSTALL_EXTERNAL; 21040 moveCompleteApp = false; 21041 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 21042 } else { 21043 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 21044 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 21045 || !volume.isMountedWritable()) { 21046 freezer.close(); 21047 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21048 "Move location not mounted private volume"); 21049 } 21050 21051 Preconditions.checkState(!currentAsec); 21052 21053 installFlags = INSTALL_INTERNAL; 21054 moveCompleteApp = true; 21055 measurePath = Environment.getDataAppDirectory(volumeUuid); 21056 } 21057 21058 final PackageStats stats = new PackageStats(null, -1); 21059 synchronized (mInstaller) { 21060 for (int userId : installedUserIds) { 21061 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 21062 freezer.close(); 21063 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21064 "Failed to measure package size"); 21065 } 21066 } 21067 } 21068 21069 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 21070 + stats.dataSize); 21071 21072 final long startFreeBytes = measurePath.getFreeSpace(); 21073 final long sizeBytes; 21074 if (moveCompleteApp) { 21075 sizeBytes = stats.codeSize + stats.dataSize; 21076 } else { 21077 sizeBytes = stats.codeSize; 21078 } 21079 21080 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 21081 freezer.close(); 21082 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21083 "Not enough free space to move"); 21084 } 21085 21086 mMoveCallbacks.notifyStatusChanged(moveId, 10); 21087 21088 final CountDownLatch installedLatch = new CountDownLatch(1); 21089 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 21090 @Override 21091 public void onUserActionRequired(Intent intent) throws RemoteException { 21092 throw new IllegalStateException(); 21093 } 21094 21095 @Override 21096 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 21097 Bundle extras) throws RemoteException { 21098 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 21099 + PackageManager.installStatusToString(returnCode, msg)); 21100 21101 installedLatch.countDown(); 21102 freezer.close(); 21103 21104 final int status = PackageManager.installStatusToPublicStatus(returnCode); 21105 switch (status) { 21106 case PackageInstaller.STATUS_SUCCESS: 21107 mMoveCallbacks.notifyStatusChanged(moveId, 21108 PackageManager.MOVE_SUCCEEDED); 21109 break; 21110 case PackageInstaller.STATUS_FAILURE_STORAGE: 21111 mMoveCallbacks.notifyStatusChanged(moveId, 21112 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 21113 break; 21114 default: 21115 mMoveCallbacks.notifyStatusChanged(moveId, 21116 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 21117 break; 21118 } 21119 } 21120 }; 21121 21122 final MoveInfo move; 21123 if (moveCompleteApp) { 21124 // Kick off a thread to report progress estimates 21125 new Thread() { 21126 @Override 21127 public void run() { 21128 while (true) { 21129 try { 21130 if (installedLatch.await(1, TimeUnit.SECONDS)) { 21131 break; 21132 } 21133 } catch (InterruptedException ignored) { 21134 } 21135 21136 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 21137 final int progress = 10 + (int) MathUtils.constrain( 21138 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 21139 mMoveCallbacks.notifyStatusChanged(moveId, progress); 21140 } 21141 } 21142 }.start(); 21143 21144 final String dataAppName = codeFile.getName(); 21145 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 21146 dataAppName, appId, seinfo, targetSdkVersion); 21147 } else { 21148 move = null; 21149 } 21150 21151 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 21152 21153 final Message msg = mHandler.obtainMessage(INIT_COPY); 21154 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 21155 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 21156 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 21157 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 21158 PackageManager.INSTALL_REASON_UNKNOWN); 21159 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 21160 msg.obj = params; 21161 21162 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 21163 System.identityHashCode(msg.obj)); 21164 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 21165 System.identityHashCode(msg.obj)); 21166 21167 mHandler.sendMessage(msg); 21168 } 21169 21170 @Override 21171 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 21172 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 21173 21174 final int realMoveId = mNextMoveId.getAndIncrement(); 21175 final Bundle extras = new Bundle(); 21176 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 21177 mMoveCallbacks.notifyCreated(realMoveId, extras); 21178 21179 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 21180 @Override 21181 public void onCreated(int moveId, Bundle extras) { 21182 // Ignored 21183 } 21184 21185 @Override 21186 public void onStatusChanged(int moveId, int status, long estMillis) { 21187 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 21188 } 21189 }; 21190 21191 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21192 storage.setPrimaryStorageUuid(volumeUuid, callback); 21193 return realMoveId; 21194 } 21195 21196 @Override 21197 public int getMoveStatus(int moveId) { 21198 mContext.enforceCallingOrSelfPermission( 21199 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 21200 return mMoveCallbacks.mLastStatus.get(moveId); 21201 } 21202 21203 @Override 21204 public void registerMoveCallback(IPackageMoveObserver callback) { 21205 mContext.enforceCallingOrSelfPermission( 21206 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 21207 mMoveCallbacks.register(callback); 21208 } 21209 21210 @Override 21211 public void unregisterMoveCallback(IPackageMoveObserver callback) { 21212 mContext.enforceCallingOrSelfPermission( 21213 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 21214 mMoveCallbacks.unregister(callback); 21215 } 21216 21217 @Override 21218 public boolean setInstallLocation(int loc) { 21219 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 21220 null); 21221 if (getInstallLocation() == loc) { 21222 return true; 21223 } 21224 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 21225 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 21226 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 21227 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 21228 return true; 21229 } 21230 return false; 21231 } 21232 21233 @Override 21234 public int getInstallLocation() { 21235 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 21236 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 21237 PackageHelper.APP_INSTALL_AUTO); 21238 } 21239 21240 /** Called by UserManagerService */ 21241 void cleanUpUser(UserManagerService userManager, int userHandle) { 21242 synchronized (mPackages) { 21243 mDirtyUsers.remove(userHandle); 21244 mUserNeedsBadging.delete(userHandle); 21245 mSettings.removeUserLPw(userHandle); 21246 mPendingBroadcasts.remove(userHandle); 21247 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 21248 removeUnusedPackagesLPw(userManager, userHandle); 21249 } 21250 } 21251 21252 /** 21253 * We're removing userHandle and would like to remove any downloaded packages 21254 * that are no longer in use by any other user. 21255 * @param userHandle the user being removed 21256 */ 21257 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 21258 final boolean DEBUG_CLEAN_APKS = false; 21259 int [] users = userManager.getUserIds(); 21260 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 21261 while (psit.hasNext()) { 21262 PackageSetting ps = psit.next(); 21263 if (ps.pkg == null) { 21264 continue; 21265 } 21266 final String packageName = ps.pkg.packageName; 21267 // Skip over if system app 21268 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 21269 continue; 21270 } 21271 if (DEBUG_CLEAN_APKS) { 21272 Slog.i(TAG, "Checking package " + packageName); 21273 } 21274 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 21275 if (keep) { 21276 if (DEBUG_CLEAN_APKS) { 21277 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 21278 } 21279 } else { 21280 for (int i = 0; i < users.length; i++) { 21281 if (users[i] != userHandle && ps.getInstalled(users[i])) { 21282 keep = true; 21283 if (DEBUG_CLEAN_APKS) { 21284 Slog.i(TAG, " Keeping package " + packageName + " for user " 21285 + users[i]); 21286 } 21287 break; 21288 } 21289 } 21290 } 21291 if (!keep) { 21292 if (DEBUG_CLEAN_APKS) { 21293 Slog.i(TAG, " Removing package " + packageName); 21294 } 21295 mHandler.post(new Runnable() { 21296 public void run() { 21297 deletePackageX(packageName, userHandle, 0); 21298 } //end run 21299 }); 21300 } 21301 } 21302 } 21303 21304 /** Called by UserManagerService */ 21305 void createNewUser(int userId, String[] disallowedPackages) { 21306 synchronized (mInstallLock) { 21307 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 21308 } 21309 synchronized (mPackages) { 21310 scheduleWritePackageRestrictionsLocked(userId); 21311 scheduleWritePackageListLocked(userId); 21312 applyFactoryDefaultBrowserLPw(userId); 21313 primeDomainVerificationsLPw(userId); 21314 } 21315 } 21316 21317 void onNewUserCreated(final int userId) { 21318 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 21319 // If permission review for legacy apps is required, we represent 21320 // dagerous permissions for such apps as always granted runtime 21321 // permissions to keep per user flag state whether review is needed. 21322 // Hence, if a new user is added we have to propagate dangerous 21323 // permission grants for these legacy apps. 21324 if (mPermissionReviewRequired) { 21325 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 21326 | UPDATE_PERMISSIONS_REPLACE_ALL); 21327 } 21328 } 21329 21330 @Override 21331 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 21332 mContext.enforceCallingOrSelfPermission( 21333 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 21334 "Only package verification agents can read the verifier device identity"); 21335 21336 synchronized (mPackages) { 21337 return mSettings.getVerifierDeviceIdentityLPw(); 21338 } 21339 } 21340 21341 @Override 21342 public void setPermissionEnforced(String permission, boolean enforced) { 21343 // TODO: Now that we no longer change GID for storage, this should to away. 21344 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 21345 "setPermissionEnforced"); 21346 if (READ_EXTERNAL_STORAGE.equals(permission)) { 21347 synchronized (mPackages) { 21348 if (mSettings.mReadExternalStorageEnforced == null 21349 || mSettings.mReadExternalStorageEnforced != enforced) { 21350 mSettings.mReadExternalStorageEnforced = enforced; 21351 mSettings.writeLPr(); 21352 } 21353 } 21354 // kill any non-foreground processes so we restart them and 21355 // grant/revoke the GID. 21356 final IActivityManager am = ActivityManager.getService(); 21357 if (am != null) { 21358 final long token = Binder.clearCallingIdentity(); 21359 try { 21360 am.killProcessesBelowForeground("setPermissionEnforcement"); 21361 } catch (RemoteException e) { 21362 } finally { 21363 Binder.restoreCallingIdentity(token); 21364 } 21365 } 21366 } else { 21367 throw new IllegalArgumentException("No selective enforcement for " + permission); 21368 } 21369 } 21370 21371 @Override 21372 @Deprecated 21373 public boolean isPermissionEnforced(String permission) { 21374 return true; 21375 } 21376 21377 @Override 21378 public boolean isStorageLow() { 21379 final long token = Binder.clearCallingIdentity(); 21380 try { 21381 final DeviceStorageMonitorInternal 21382 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 21383 if (dsm != null) { 21384 return dsm.isMemoryLow(); 21385 } else { 21386 return false; 21387 } 21388 } finally { 21389 Binder.restoreCallingIdentity(token); 21390 } 21391 } 21392 21393 @Override 21394 public IPackageInstaller getPackageInstaller() { 21395 return mInstallerService; 21396 } 21397 21398 private boolean userNeedsBadging(int userId) { 21399 int index = mUserNeedsBadging.indexOfKey(userId); 21400 if (index < 0) { 21401 final UserInfo userInfo; 21402 final long token = Binder.clearCallingIdentity(); 21403 try { 21404 userInfo = sUserManager.getUserInfo(userId); 21405 } finally { 21406 Binder.restoreCallingIdentity(token); 21407 } 21408 final boolean b; 21409 if (userInfo != null && userInfo.isManagedProfile()) { 21410 b = true; 21411 } else { 21412 b = false; 21413 } 21414 mUserNeedsBadging.put(userId, b); 21415 return b; 21416 } 21417 return mUserNeedsBadging.valueAt(index); 21418 } 21419 21420 @Override 21421 public KeySet getKeySetByAlias(String packageName, String alias) { 21422 if (packageName == null || alias == null) { 21423 return null; 21424 } 21425 synchronized(mPackages) { 21426 final PackageParser.Package pkg = mPackages.get(packageName); 21427 if (pkg == null) { 21428 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21429 throw new IllegalArgumentException("Unknown package: " + packageName); 21430 } 21431 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21432 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 21433 } 21434 } 21435 21436 @Override 21437 public KeySet getSigningKeySet(String packageName) { 21438 if (packageName == null) { 21439 return null; 21440 } 21441 synchronized(mPackages) { 21442 final PackageParser.Package pkg = mPackages.get(packageName); 21443 if (pkg == null) { 21444 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21445 throw new IllegalArgumentException("Unknown package: " + packageName); 21446 } 21447 if (pkg.applicationInfo.uid != Binder.getCallingUid() 21448 && Process.SYSTEM_UID != Binder.getCallingUid()) { 21449 throw new SecurityException("May not access signing KeySet of other apps."); 21450 } 21451 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21452 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 21453 } 21454 } 21455 21456 @Override 21457 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 21458 if (packageName == null || ks == null) { 21459 return false; 21460 } 21461 synchronized(mPackages) { 21462 final PackageParser.Package pkg = mPackages.get(packageName); 21463 if (pkg == null) { 21464 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21465 throw new IllegalArgumentException("Unknown package: " + packageName); 21466 } 21467 IBinder ksh = ks.getToken(); 21468 if (ksh instanceof KeySetHandle) { 21469 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21470 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 21471 } 21472 return false; 21473 } 21474 } 21475 21476 @Override 21477 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 21478 if (packageName == null || ks == null) { 21479 return false; 21480 } 21481 synchronized(mPackages) { 21482 final PackageParser.Package pkg = mPackages.get(packageName); 21483 if (pkg == null) { 21484 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21485 throw new IllegalArgumentException("Unknown package: " + packageName); 21486 } 21487 IBinder ksh = ks.getToken(); 21488 if (ksh instanceof KeySetHandle) { 21489 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21490 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 21491 } 21492 return false; 21493 } 21494 } 21495 21496 private void deletePackageIfUnusedLPr(final String packageName) { 21497 PackageSetting ps = mSettings.mPackages.get(packageName); 21498 if (ps == null) { 21499 return; 21500 } 21501 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 21502 // TODO Implement atomic delete if package is unused 21503 // It is currently possible that the package will be deleted even if it is installed 21504 // after this method returns. 21505 mHandler.post(new Runnable() { 21506 public void run() { 21507 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 21508 } 21509 }); 21510 } 21511 } 21512 21513 /** 21514 * Check and throw if the given before/after packages would be considered a 21515 * downgrade. 21516 */ 21517 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 21518 throws PackageManagerException { 21519 if (after.versionCode < before.mVersionCode) { 21520 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 21521 "Update version code " + after.versionCode + " is older than current " 21522 + before.mVersionCode); 21523 } else if (after.versionCode == before.mVersionCode) { 21524 if (after.baseRevisionCode < before.baseRevisionCode) { 21525 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 21526 "Update base revision code " + after.baseRevisionCode 21527 + " is older than current " + before.baseRevisionCode); 21528 } 21529 21530 if (!ArrayUtils.isEmpty(after.splitNames)) { 21531 for (int i = 0; i < after.splitNames.length; i++) { 21532 final String splitName = after.splitNames[i]; 21533 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 21534 if (j != -1) { 21535 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 21536 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 21537 "Update split " + splitName + " revision code " 21538 + after.splitRevisionCodes[i] + " is older than current " 21539 + before.splitRevisionCodes[j]); 21540 } 21541 } 21542 } 21543 } 21544 } 21545 } 21546 21547 private static class MoveCallbacks extends Handler { 21548 private static final int MSG_CREATED = 1; 21549 private static final int MSG_STATUS_CHANGED = 2; 21550 21551 private final RemoteCallbackList<IPackageMoveObserver> 21552 mCallbacks = new RemoteCallbackList<>(); 21553 21554 private final SparseIntArray mLastStatus = new SparseIntArray(); 21555 21556 public MoveCallbacks(Looper looper) { 21557 super(looper); 21558 } 21559 21560 public void register(IPackageMoveObserver callback) { 21561 mCallbacks.register(callback); 21562 } 21563 21564 public void unregister(IPackageMoveObserver callback) { 21565 mCallbacks.unregister(callback); 21566 } 21567 21568 @Override 21569 public void handleMessage(Message msg) { 21570 final SomeArgs args = (SomeArgs) msg.obj; 21571 final int n = mCallbacks.beginBroadcast(); 21572 for (int i = 0; i < n; i++) { 21573 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 21574 try { 21575 invokeCallback(callback, msg.what, args); 21576 } catch (RemoteException ignored) { 21577 } 21578 } 21579 mCallbacks.finishBroadcast(); 21580 args.recycle(); 21581 } 21582 21583 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 21584 throws RemoteException { 21585 switch (what) { 21586 case MSG_CREATED: { 21587 callback.onCreated(args.argi1, (Bundle) args.arg2); 21588 break; 21589 } 21590 case MSG_STATUS_CHANGED: { 21591 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 21592 break; 21593 } 21594 } 21595 } 21596 21597 private void notifyCreated(int moveId, Bundle extras) { 21598 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 21599 21600 final SomeArgs args = SomeArgs.obtain(); 21601 args.argi1 = moveId; 21602 args.arg2 = extras; 21603 obtainMessage(MSG_CREATED, args).sendToTarget(); 21604 } 21605 21606 private void notifyStatusChanged(int moveId, int status) { 21607 notifyStatusChanged(moveId, status, -1); 21608 } 21609 21610 private void notifyStatusChanged(int moveId, int status, long estMillis) { 21611 Slog.v(TAG, "Move " + moveId + " status " + status); 21612 21613 final SomeArgs args = SomeArgs.obtain(); 21614 args.argi1 = moveId; 21615 args.argi2 = status; 21616 args.arg3 = estMillis; 21617 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 21618 21619 synchronized (mLastStatus) { 21620 mLastStatus.put(moveId, status); 21621 } 21622 } 21623 } 21624 21625 private final static class OnPermissionChangeListeners extends Handler { 21626 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 21627 21628 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 21629 new RemoteCallbackList<>(); 21630 21631 public OnPermissionChangeListeners(Looper looper) { 21632 super(looper); 21633 } 21634 21635 @Override 21636 public void handleMessage(Message msg) { 21637 switch (msg.what) { 21638 case MSG_ON_PERMISSIONS_CHANGED: { 21639 final int uid = msg.arg1; 21640 handleOnPermissionsChanged(uid); 21641 } break; 21642 } 21643 } 21644 21645 public void addListenerLocked(IOnPermissionsChangeListener listener) { 21646 mPermissionListeners.register(listener); 21647 21648 } 21649 21650 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 21651 mPermissionListeners.unregister(listener); 21652 } 21653 21654 public void onPermissionsChanged(int uid) { 21655 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 21656 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 21657 } 21658 } 21659 21660 private void handleOnPermissionsChanged(int uid) { 21661 final int count = mPermissionListeners.beginBroadcast(); 21662 try { 21663 for (int i = 0; i < count; i++) { 21664 IOnPermissionsChangeListener callback = mPermissionListeners 21665 .getBroadcastItem(i); 21666 try { 21667 callback.onPermissionsChanged(uid); 21668 } catch (RemoteException e) { 21669 Log.e(TAG, "Permission listener is dead", e); 21670 } 21671 } 21672 } finally { 21673 mPermissionListeners.finishBroadcast(); 21674 } 21675 } 21676 } 21677 21678 private class PackageManagerInternalImpl extends PackageManagerInternal { 21679 @Override 21680 public void setLocationPackagesProvider(PackagesProvider provider) { 21681 synchronized (mPackages) { 21682 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 21683 } 21684 } 21685 21686 @Override 21687 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 21688 synchronized (mPackages) { 21689 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 21690 } 21691 } 21692 21693 @Override 21694 public void setSmsAppPackagesProvider(PackagesProvider provider) { 21695 synchronized (mPackages) { 21696 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 21697 } 21698 } 21699 21700 @Override 21701 public void setDialerAppPackagesProvider(PackagesProvider provider) { 21702 synchronized (mPackages) { 21703 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 21704 } 21705 } 21706 21707 @Override 21708 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 21709 synchronized (mPackages) { 21710 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 21711 } 21712 } 21713 21714 @Override 21715 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 21716 synchronized (mPackages) { 21717 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 21718 } 21719 } 21720 21721 @Override 21722 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 21723 synchronized (mPackages) { 21724 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 21725 packageName, userId); 21726 } 21727 } 21728 21729 @Override 21730 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 21731 synchronized (mPackages) { 21732 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 21733 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 21734 packageName, userId); 21735 } 21736 } 21737 21738 @Override 21739 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 21740 synchronized (mPackages) { 21741 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 21742 packageName, userId); 21743 } 21744 } 21745 21746 @Override 21747 public void setKeepUninstalledPackages(final List<String> packageList) { 21748 Preconditions.checkNotNull(packageList); 21749 List<String> removedFromList = null; 21750 synchronized (mPackages) { 21751 if (mKeepUninstalledPackages != null) { 21752 final int packagesCount = mKeepUninstalledPackages.size(); 21753 for (int i = 0; i < packagesCount; i++) { 21754 String oldPackage = mKeepUninstalledPackages.get(i); 21755 if (packageList != null && packageList.contains(oldPackage)) { 21756 continue; 21757 } 21758 if (removedFromList == null) { 21759 removedFromList = new ArrayList<>(); 21760 } 21761 removedFromList.add(oldPackage); 21762 } 21763 } 21764 mKeepUninstalledPackages = new ArrayList<>(packageList); 21765 if (removedFromList != null) { 21766 final int removedCount = removedFromList.size(); 21767 for (int i = 0; i < removedCount; i++) { 21768 deletePackageIfUnusedLPr(removedFromList.get(i)); 21769 } 21770 } 21771 } 21772 } 21773 21774 @Override 21775 public boolean isPermissionsReviewRequired(String packageName, int userId) { 21776 synchronized (mPackages) { 21777 // If we do not support permission review, done. 21778 if (!mPermissionReviewRequired) { 21779 return false; 21780 } 21781 21782 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 21783 if (packageSetting == null) { 21784 return false; 21785 } 21786 21787 // Permission review applies only to apps not supporting the new permission model. 21788 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 21789 return false; 21790 } 21791 21792 // Legacy apps have the permission and get user consent on launch. 21793 PermissionsState permissionsState = packageSetting.getPermissionsState(); 21794 return permissionsState.isPermissionReviewRequired(userId); 21795 } 21796 } 21797 21798 @Override 21799 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 21800 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 21801 } 21802 21803 @Override 21804 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 21805 int userId) { 21806 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 21807 } 21808 21809 @Override 21810 public void setDeviceAndProfileOwnerPackages( 21811 int deviceOwnerUserId, String deviceOwnerPackage, 21812 SparseArray<String> profileOwnerPackages) { 21813 mProtectedPackages.setDeviceAndProfileOwnerPackages( 21814 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 21815 } 21816 21817 @Override 21818 public boolean isPackageDataProtected(int userId, String packageName) { 21819 return mProtectedPackages.isPackageDataProtected(userId, packageName); 21820 } 21821 21822 @Override 21823 public boolean isPackageEphemeral(int userId, String packageName) { 21824 synchronized (mPackages) { 21825 PackageParser.Package p = mPackages.get(packageName); 21826 return p != null ? p.applicationInfo.isEphemeralApp() : false; 21827 } 21828 } 21829 21830 @Override 21831 public boolean wasPackageEverLaunched(String packageName, int userId) { 21832 synchronized (mPackages) { 21833 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 21834 } 21835 } 21836 21837 @Override 21838 public void grantRuntimePermission(String packageName, String name, int userId, 21839 boolean overridePolicy) { 21840 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 21841 overridePolicy); 21842 } 21843 21844 @Override 21845 public void revokeRuntimePermission(String packageName, String name, int userId, 21846 boolean overridePolicy) { 21847 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 21848 overridePolicy); 21849 } 21850 21851 @Override 21852 public String getNameForUid(int uid) { 21853 return PackageManagerService.this.getNameForUid(uid); 21854 } 21855 21856 @Override 21857 public void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 21858 Intent origIntent, String resolvedType, Intent launchIntent, 21859 String callingPackage, int userId) { 21860 PackageManagerService.this.requestEphemeralResolutionPhaseTwo( 21861 responseObj, origIntent, resolvedType, launchIntent, callingPackage, userId); 21862 } 21863 21864 public String getSetupWizardPackageName() { 21865 return mSetupWizardPackage; 21866 } 21867 } 21868 21869 @Override 21870 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 21871 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 21872 synchronized (mPackages) { 21873 final long identity = Binder.clearCallingIdentity(); 21874 try { 21875 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 21876 packageNames, userId); 21877 } finally { 21878 Binder.restoreCallingIdentity(identity); 21879 } 21880 } 21881 } 21882 21883 private static void enforceSystemOrPhoneCaller(String tag) { 21884 int callingUid = Binder.getCallingUid(); 21885 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 21886 throw new SecurityException( 21887 "Cannot call " + tag + " from UID " + callingUid); 21888 } 21889 } 21890 21891 boolean isHistoricalPackageUsageAvailable() { 21892 return mPackageUsage.isHistoricalPackageUsageAvailable(); 21893 } 21894 21895 /** 21896 * Return a <b>copy</b> of the collection of packages known to the package manager. 21897 * @return A copy of the values of mPackages. 21898 */ 21899 Collection<PackageParser.Package> getPackages() { 21900 synchronized (mPackages) { 21901 return new ArrayList<>(mPackages.values()); 21902 } 21903 } 21904 21905 /** 21906 * Logs process start information (including base APK hash) to the security log. 21907 * @hide 21908 */ 21909 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21910 String apkFile, int pid) { 21911 if (!SecurityLog.isLoggingEnabled()) { 21912 return; 21913 } 21914 Bundle data = new Bundle(); 21915 data.putLong("startTimestamp", System.currentTimeMillis()); 21916 data.putString("processName", processName); 21917 data.putInt("uid", uid); 21918 data.putString("seinfo", seinfo); 21919 data.putString("apkFile", apkFile); 21920 data.putInt("pid", pid); 21921 Message msg = mProcessLoggingHandler.obtainMessage( 21922 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21923 msg.setData(data); 21924 mProcessLoggingHandler.sendMessage(msg); 21925 } 21926 21927 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21928 return mCompilerStats.getPackageStats(pkgName); 21929 } 21930 21931 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21932 return getOrCreateCompilerPackageStats(pkg.packageName); 21933 } 21934 21935 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21936 return mCompilerStats.getOrCreatePackageStats(pkgName); 21937 } 21938 21939 public void deleteCompilerPackageStats(String pkgName) { 21940 mCompilerStats.deletePackageStats(pkgName); 21941 } 21942 21943 @Override 21944 public int getInstallReason(String packageName, int userId) { 21945 enforceCrossUserPermission(Binder.getCallingUid(), userId, 21946 true /* requireFullPermission */, false /* checkShell */, 21947 "get install reason"); 21948 synchronized (mPackages) { 21949 final PackageSetting ps = mSettings.mPackages.get(packageName); 21950 if (ps != null) { 21951 return ps.getInstallReason(userId); 21952 } 21953 } 21954 return PackageManager.INSTALL_REASON_UNKNOWN; 21955 } 21956} 21957