PackageManagerService.java revision 0d1fd8d09163566d2c7eb72037f63b6404ada642
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.annotation.UserIdInt; 106import android.app.ActivityManager; 107import android.app.AppOpsManager; 108import android.app.IActivityManager; 109import android.app.ResourcesManager; 110import android.app.admin.IDevicePolicyManager; 111import android.app.admin.SecurityLog; 112import android.app.backup.IBackupManager; 113import android.content.BroadcastReceiver; 114import android.content.ComponentName; 115import android.content.ContentResolver; 116import android.content.Context; 117import android.content.IIntentReceiver; 118import android.content.Intent; 119import android.content.IntentFilter; 120import android.content.IntentSender; 121import android.content.IntentSender.SendIntentException; 122import android.content.ServiceConnection; 123import android.content.pm.ActivityInfo; 124import android.content.pm.ApplicationInfo; 125import android.content.pm.AppsQueryHelper; 126import android.content.pm.ComponentInfo; 127import android.content.pm.EphemeralApplicationInfo; 128import android.content.pm.EphemeralRequest; 129import android.content.pm.EphemeralResolveInfo; 130import android.content.pm.EphemeralResponse; 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.InstallerConnection.InstallerException; 241import com.android.internal.os.RoSystemProperties; 242import com.android.internal.os.SomeArgs; 243import com.android.internal.os.Zygote; 244import com.android.internal.telephony.CarrierAppUtils; 245import com.android.internal.util.ArrayUtils; 246import com.android.internal.util.FastPrintWriter; 247import com.android.internal.util.FastXmlSerializer; 248import com.android.internal.util.IndentingPrintWriter; 249import com.android.internal.util.Preconditions; 250import com.android.internal.util.XmlUtils; 251import com.android.server.AttributeCache; 252import com.android.server.EventLogTags; 253import com.android.server.FgThread; 254import com.android.server.IntentResolver; 255import com.android.server.LocalServices; 256import com.android.server.ServiceThread; 257import com.android.server.SystemConfig; 258import com.android.server.Watchdog; 259import com.android.server.net.NetworkPolicyManagerInternal; 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.storage.DeviceStorageMonitorInternal; 264 265import dalvik.system.CloseGuard; 266import dalvik.system.DexFile; 267import dalvik.system.VMRuntime; 268 269import libcore.io.IoUtils; 270import libcore.util.EmptyArray; 271 272import org.xmlpull.v1.XmlPullParser; 273import org.xmlpull.v1.XmlPullParserException; 274import org.xmlpull.v1.XmlSerializer; 275 276import java.io.BufferedOutputStream; 277import java.io.BufferedReader; 278import java.io.ByteArrayInputStream; 279import java.io.ByteArrayOutputStream; 280import java.io.File; 281import java.io.FileDescriptor; 282import java.io.FileInputStream; 283import java.io.FileNotFoundException; 284import java.io.FileOutputStream; 285import java.io.FileReader; 286import java.io.FilenameFilter; 287import java.io.IOException; 288import java.io.PrintWriter; 289import java.nio.charset.StandardCharsets; 290import java.security.DigestInputStream; 291import java.security.MessageDigest; 292import java.security.NoSuchAlgorithmException; 293import java.security.PublicKey; 294import java.security.SecureRandom; 295import java.security.cert.Certificate; 296import java.security.cert.CertificateEncodingException; 297import java.security.cert.CertificateException; 298import java.text.SimpleDateFormat; 299import java.util.ArrayList; 300import java.util.Arrays; 301import java.util.Collection; 302import java.util.Collections; 303import java.util.Comparator; 304import java.util.Date; 305import java.util.HashSet; 306import java.util.Iterator; 307import java.util.List; 308import java.util.Map; 309import java.util.Objects; 310import java.util.Set; 311import java.util.concurrent.CountDownLatch; 312import java.util.concurrent.TimeUnit; 313import java.util.concurrent.atomic.AtomicBoolean; 314import java.util.concurrent.atomic.AtomicInteger; 315 316/** 317 * Keep track of all those APKs everywhere. 318 * <p> 319 * Internally there are two important locks: 320 * <ul> 321 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 322 * and other related state. It is a fine-grained lock that should only be held 323 * momentarily, as it's one of the most contended locks in the system. 324 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 325 * operations typically involve heavy lifting of application data on disk. Since 326 * {@code installd} is single-threaded, and it's operations can often be slow, 327 * this lock should never be acquired while already holding {@link #mPackages}. 328 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 329 * holding {@link #mInstallLock}. 330 * </ul> 331 * Many internal methods rely on the caller to hold the appropriate locks, and 332 * this contract is expressed through method name suffixes: 333 * <ul> 334 * <li>fooLI(): the caller must hold {@link #mInstallLock} 335 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 336 * being modified must be frozen 337 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 338 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 339 * </ul> 340 * <p> 341 * Because this class is very central to the platform's security; please run all 342 * CTS and unit tests whenever making modifications: 343 * 344 * <pre> 345 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 346 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 347 * </pre> 348 */ 349public class PackageManagerService extends IPackageManager.Stub { 350 static final String TAG = "PackageManager"; 351 static final boolean DEBUG_SETTINGS = false; 352 static final boolean DEBUG_PREFERRED = false; 353 static final boolean DEBUG_UPGRADE = false; 354 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 355 private static final boolean DEBUG_BACKUP = false; 356 private static final boolean DEBUG_INSTALL = false; 357 private static final boolean DEBUG_REMOVE = false; 358 private static final boolean DEBUG_BROADCASTS = false; 359 private static final boolean DEBUG_SHOW_INFO = false; 360 private static final boolean DEBUG_PACKAGE_INFO = false; 361 private static final boolean DEBUG_INTENT_MATCHING = false; 362 private static final boolean DEBUG_PACKAGE_SCANNING = false; 363 private static final boolean DEBUG_VERIFY = false; 364 private static final boolean DEBUG_FILTERS = false; 365 366 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 367 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 368 // user, but by default initialize to this. 369 static final boolean DEBUG_DEXOPT = false; 370 371 private static final boolean DEBUG_ABI_SELECTION = false; 372 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 373 private static final boolean DEBUG_TRIAGED_MISSING = false; 374 private static final boolean DEBUG_APP_DATA = false; 375 376 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 377 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 378 379 private static final boolean DISABLE_EPHEMERAL_APPS = false; 380 private static final boolean HIDE_EPHEMERAL_APIS = true; 381 382 private static final int RADIO_UID = Process.PHONE_UID; 383 private static final int LOG_UID = Process.LOG_UID; 384 private static final int NFC_UID = Process.NFC_UID; 385 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 386 private static final int SHELL_UID = Process.SHELL_UID; 387 388 // Cap the size of permission trees that 3rd party apps can define 389 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 390 391 // Suffix used during package installation when copying/moving 392 // package apks to install directory. 393 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 394 395 static final int SCAN_NO_DEX = 1<<1; 396 static final int SCAN_FORCE_DEX = 1<<2; 397 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 398 static final int SCAN_NEW_INSTALL = 1<<4; 399 static final int SCAN_UPDATE_TIME = 1<<5; 400 static final int SCAN_BOOTING = 1<<6; 401 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 402 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 403 static final int SCAN_REPLACING = 1<<9; 404 static final int SCAN_REQUIRE_KNOWN = 1<<10; 405 static final int SCAN_MOVE = 1<<11; 406 static final int SCAN_INITIAL = 1<<12; 407 static final int SCAN_CHECK_ONLY = 1<<13; 408 static final int SCAN_DONT_KILL_APP = 1<<14; 409 static final int SCAN_IGNORE_FROZEN = 1<<15; 410 static final int REMOVE_CHATTY = 1<<16; 411 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<17; 412 413 private static final int[] EMPTY_INT_ARRAY = new int[0]; 414 415 /** 416 * Timeout (in milliseconds) after which the watchdog should declare that 417 * our handler thread is wedged. The usual default for such things is one 418 * minute but we sometimes do very lengthy I/O operations on this thread, 419 * such as installing multi-gigabyte applications, so ours needs to be longer. 420 */ 421 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 422 423 /** 424 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 425 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 426 * settings entry if available, otherwise we use the hardcoded default. If it's been 427 * more than this long since the last fstrim, we force one during the boot sequence. 428 * 429 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 430 * one gets run at the next available charging+idle time. This final mandatory 431 * no-fstrim check kicks in only of the other scheduling criteria is never met. 432 */ 433 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 434 435 /** 436 * Whether verification is enabled by default. 437 */ 438 private static final boolean DEFAULT_VERIFY_ENABLE = true; 439 440 /** 441 * The default maximum time to wait for the verification agent to return in 442 * milliseconds. 443 */ 444 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 445 446 /** 447 * The default response for package verification timeout. 448 * 449 * This can be either PackageManager.VERIFICATION_ALLOW or 450 * PackageManager.VERIFICATION_REJECT. 451 */ 452 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 453 454 static final String PLATFORM_PACKAGE_NAME = "android"; 455 456 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 457 458 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 459 DEFAULT_CONTAINER_PACKAGE, 460 "com.android.defcontainer.DefaultContainerService"); 461 462 private static final String KILL_APP_REASON_GIDS_CHANGED = 463 "permission grant or revoke changed gids"; 464 465 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 466 "permissions revoked"; 467 468 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 469 470 private static final String PACKAGE_SCHEME = "package"; 471 472 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 473 /** 474 * If VENDOR_OVERLAY_THEME_PROPERTY is set, search for runtime resource overlay APKs also in 475 * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_THEME_PROPERTY> in addition to 476 * VENDOR_OVERLAY_DIR. 477 */ 478 private static final String VENDOR_OVERLAY_THEME_PROPERTY = "ro.boot.vendor.overlay.theme"; 479 /** 480 * Same as VENDOR_OVERLAY_THEME_PROPERTY, except persistent. If set will override whatever 481 * is in VENDOR_OVERLAY_THEME_PROPERTY. 482 */ 483 private static final String VENDOR_OVERLAY_THEME_PERSIST_PROPERTY 484 = "persist.vendor.overlay.theme"; 485 486 /** Permission grant: not grant the permission. */ 487 private static final int GRANT_DENIED = 1; 488 489 /** Permission grant: grant the permission as an install permission. */ 490 private static final int GRANT_INSTALL = 2; 491 492 /** Permission grant: grant the permission as a runtime one. */ 493 private static final int GRANT_RUNTIME = 3; 494 495 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 496 private static final int GRANT_UPGRADE = 4; 497 498 /** Canonical intent used to identify what counts as a "web browser" app */ 499 private static final Intent sBrowserIntent; 500 static { 501 sBrowserIntent = new Intent(); 502 sBrowserIntent.setAction(Intent.ACTION_VIEW); 503 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 504 sBrowserIntent.setData(Uri.parse("http:")); 505 } 506 507 /** 508 * The set of all protected actions [i.e. those actions for which a high priority 509 * intent filter is disallowed]. 510 */ 511 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 512 static { 513 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 514 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 515 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 516 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 517 } 518 519 // Compilation reasons. 520 public static final int REASON_FIRST_BOOT = 0; 521 public static final int REASON_BOOT = 1; 522 public static final int REASON_INSTALL = 2; 523 public static final int REASON_BACKGROUND_DEXOPT = 3; 524 public static final int REASON_AB_OTA = 4; 525 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 526 public static final int REASON_SHARED_APK = 6; 527 public static final int REASON_FORCED_DEXOPT = 7; 528 public static final int REASON_CORE_APP = 8; 529 530 public static final int REASON_LAST = REASON_CORE_APP; 531 532 /** Special library name that skips shared libraries check during compilation. */ 533 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 534 535 /** All dangerous permission names in the same order as the events in MetricsEvent */ 536 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 537 Manifest.permission.READ_CALENDAR, 538 Manifest.permission.WRITE_CALENDAR, 539 Manifest.permission.CAMERA, 540 Manifest.permission.READ_CONTACTS, 541 Manifest.permission.WRITE_CONTACTS, 542 Manifest.permission.GET_ACCOUNTS, 543 Manifest.permission.ACCESS_FINE_LOCATION, 544 Manifest.permission.ACCESS_COARSE_LOCATION, 545 Manifest.permission.RECORD_AUDIO, 546 Manifest.permission.READ_PHONE_STATE, 547 Manifest.permission.CALL_PHONE, 548 Manifest.permission.READ_CALL_LOG, 549 Manifest.permission.WRITE_CALL_LOG, 550 Manifest.permission.ADD_VOICEMAIL, 551 Manifest.permission.USE_SIP, 552 Manifest.permission.PROCESS_OUTGOING_CALLS, 553 Manifest.permission.READ_CELL_BROADCASTS, 554 Manifest.permission.BODY_SENSORS, 555 Manifest.permission.SEND_SMS, 556 Manifest.permission.RECEIVE_SMS, 557 Manifest.permission.READ_SMS, 558 Manifest.permission.RECEIVE_WAP_PUSH, 559 Manifest.permission.RECEIVE_MMS, 560 Manifest.permission.READ_EXTERNAL_STORAGE, 561 Manifest.permission.WRITE_EXTERNAL_STORAGE); 562 563 final ServiceThread mHandlerThread; 564 565 final PackageHandler mHandler; 566 567 private final ProcessLoggingHandler mProcessLoggingHandler; 568 569 /** 570 * Messages for {@link #mHandler} that need to wait for system ready before 571 * being dispatched. 572 */ 573 private ArrayList<Message> mPostSystemReadyMessages; 574 575 final int mSdkVersion = Build.VERSION.SDK_INT; 576 577 final Context mContext; 578 final boolean mFactoryTest; 579 final boolean mOnlyCore; 580 final DisplayMetrics mMetrics; 581 final int mDefParseFlags; 582 final String[] mSeparateProcesses; 583 final boolean mIsUpgrade; 584 final boolean mIsPreNUpgrade; 585 final boolean mIsPreNMR1Upgrade; 586 587 @GuardedBy("mPackages") 588 private boolean mDexOptDialogShown; 589 590 /** The location for ASEC container files on internal storage. */ 591 final String mAsecInternalPath; 592 593 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 594 // LOCK HELD. Can be called with mInstallLock held. 595 @GuardedBy("mInstallLock") 596 final Installer mInstaller; 597 598 /** Directory where installed third-party apps stored */ 599 final File mAppInstallDir; 600 final File mEphemeralInstallDir; 601 602 /** 603 * Directory to which applications installed internally have their 604 * 32 bit native libraries copied. 605 */ 606 private File mAppLib32InstallDir; 607 608 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 609 // apps. 610 final File mDrmAppPrivateInstallDir; 611 612 // ---------------------------------------------------------------- 613 614 // Lock for state used when installing and doing other long running 615 // operations. Methods that must be called with this lock held have 616 // the suffix "LI". 617 final Object mInstallLock = new Object(); 618 619 // ---------------------------------------------------------------- 620 621 // Keys are String (package name), values are Package. This also serves 622 // as the lock for the global state. Methods that must be called with 623 // this lock held have the prefix "LP". 624 @GuardedBy("mPackages") 625 final ArrayMap<String, PackageParser.Package> mPackages = 626 new ArrayMap<String, PackageParser.Package>(); 627 628 final ArrayMap<String, Set<String>> mKnownCodebase = 629 new ArrayMap<String, Set<String>>(); 630 631 // Tracks available target package names -> overlay package paths. 632 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 633 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 634 635 /** 636 * Tracks new system packages [received in an OTA] that we expect to 637 * find updated user-installed versions. Keys are package name, values 638 * are package location. 639 */ 640 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 641 /** 642 * Tracks high priority intent filters for protected actions. During boot, certain 643 * filter actions are protected and should never be allowed to have a high priority 644 * intent filter for them. However, there is one, and only one exception -- the 645 * setup wizard. It must be able to define a high priority intent filter for these 646 * actions to ensure there are no escapes from the wizard. We need to delay processing 647 * of these during boot as we need to look at all of the system packages in order 648 * to know which component is the setup wizard. 649 */ 650 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 651 /** 652 * Whether or not processing protected filters should be deferred. 653 */ 654 private boolean mDeferProtectedFilters = true; 655 656 /** 657 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 658 */ 659 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 660 /** 661 * Whether or not system app permissions should be promoted from install to runtime. 662 */ 663 boolean mPromoteSystemApps; 664 665 @GuardedBy("mPackages") 666 final Settings mSettings; 667 668 /** 669 * Set of package names that are currently "frozen", which means active 670 * surgery is being done on the code/data for that package. The platform 671 * will refuse to launch frozen packages to avoid race conditions. 672 * 673 * @see PackageFreezer 674 */ 675 @GuardedBy("mPackages") 676 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 677 678 final ProtectedPackages mProtectedPackages; 679 680 boolean mFirstBoot; 681 682 // System configuration read by SystemConfig. 683 final int[] mGlobalGids; 684 final SparseArray<ArraySet<String>> mSystemPermissions; 685 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 686 687 // If mac_permissions.xml was found for seinfo labeling. 688 boolean mFoundPolicyFile; 689 690 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 691 692 public static final class SharedLibraryEntry { 693 public final String path; 694 public final String apk; 695 696 SharedLibraryEntry(String _path, String _apk) { 697 path = _path; 698 apk = _apk; 699 } 700 } 701 702 // Currently known shared libraries. 703 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 704 new ArrayMap<String, SharedLibraryEntry>(); 705 706 // All available activities, for your resolving pleasure. 707 final ActivityIntentResolver mActivities = 708 new ActivityIntentResolver(); 709 710 // All available receivers, for your resolving pleasure. 711 final ActivityIntentResolver mReceivers = 712 new ActivityIntentResolver(); 713 714 // All available services, for your resolving pleasure. 715 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 716 717 // All available providers, for your resolving pleasure. 718 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 719 720 // Mapping from provider base names (first directory in content URI codePath) 721 // to the provider information. 722 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 723 new ArrayMap<String, PackageParser.Provider>(); 724 725 // Mapping from instrumentation class names to info about them. 726 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 727 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 728 729 // Mapping from permission names to info about them. 730 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 731 new ArrayMap<String, PackageParser.PermissionGroup>(); 732 733 // Packages whose data we have transfered into another package, thus 734 // should no longer exist. 735 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 736 737 // Broadcast actions that are only available to the system. 738 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 739 740 /** List of packages waiting for verification. */ 741 final SparseArray<PackageVerificationState> mPendingVerification 742 = new SparseArray<PackageVerificationState>(); 743 744 /** Set of packages associated with each app op permission. */ 745 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 746 747 final PackageInstallerService mInstallerService; 748 749 private final PackageDexOptimizer mPackageDexOptimizer; 750 751 private AtomicInteger mNextMoveId = new AtomicInteger(); 752 private final MoveCallbacks mMoveCallbacks; 753 754 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 755 756 // Cache of users who need badging. 757 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 758 759 /** Token for keys in mPendingVerification. */ 760 private int mPendingVerificationToken = 0; 761 762 volatile boolean mSystemReady; 763 volatile boolean mSafeMode; 764 volatile boolean mHasSystemUidErrors; 765 766 ApplicationInfo mAndroidApplication; 767 final ActivityInfo mResolveActivity = new ActivityInfo(); 768 final ResolveInfo mResolveInfo = new ResolveInfo(); 769 ComponentName mResolveComponentName; 770 PackageParser.Package mPlatformPackage; 771 ComponentName mCustomResolverComponentName; 772 773 boolean mResolverReplaced = false; 774 775 private final @Nullable ComponentName mIntentFilterVerifierComponent; 776 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 777 778 private int mIntentFilterVerificationToken = 0; 779 780 /** The service connection to the ephemeral resolver */ 781 final EphemeralResolverConnection mEphemeralResolverConnection; 782 783 /** Component used to install ephemeral applications */ 784 ComponentName mEphemeralInstallerComponent; 785 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 786 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 787 788 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 789 = new SparseArray<IntentFilterVerificationState>(); 790 791 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 792 793 // List of packages names to keep cached, even if they are uninstalled for all users 794 private List<String> mKeepUninstalledPackages; 795 796 private UserManagerInternal mUserManagerInternal; 797 798 private static class IFVerificationParams { 799 PackageParser.Package pkg; 800 boolean replacing; 801 int userId; 802 int verifierUid; 803 804 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 805 int _userId, int _verifierUid) { 806 pkg = _pkg; 807 replacing = _replacing; 808 userId = _userId; 809 replacing = _replacing; 810 verifierUid = _verifierUid; 811 } 812 } 813 814 private interface IntentFilterVerifier<T extends IntentFilter> { 815 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 816 T filter, String packageName); 817 void startVerifications(int userId); 818 void receiveVerificationResponse(int verificationId); 819 } 820 821 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 822 private Context mContext; 823 private ComponentName mIntentFilterVerifierComponent; 824 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 825 826 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 827 mContext = context; 828 mIntentFilterVerifierComponent = verifierComponent; 829 } 830 831 private String getDefaultScheme() { 832 return IntentFilter.SCHEME_HTTPS; 833 } 834 835 @Override 836 public void startVerifications(int userId) { 837 // Launch verifications requests 838 int count = mCurrentIntentFilterVerifications.size(); 839 for (int n=0; n<count; n++) { 840 int verificationId = mCurrentIntentFilterVerifications.get(n); 841 final IntentFilterVerificationState ivs = 842 mIntentFilterVerificationStates.get(verificationId); 843 844 String packageName = ivs.getPackageName(); 845 846 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 847 final int filterCount = filters.size(); 848 ArraySet<String> domainsSet = new ArraySet<>(); 849 for (int m=0; m<filterCount; m++) { 850 PackageParser.ActivityIntentInfo filter = filters.get(m); 851 domainsSet.addAll(filter.getHostsList()); 852 } 853 synchronized (mPackages) { 854 if (mSettings.createIntentFilterVerificationIfNeededLPw( 855 packageName, domainsSet) != null) { 856 scheduleWriteSettingsLocked(); 857 } 858 } 859 sendVerificationRequest(userId, verificationId, ivs); 860 } 861 mCurrentIntentFilterVerifications.clear(); 862 } 863 864 private void sendVerificationRequest(int userId, int verificationId, 865 IntentFilterVerificationState ivs) { 866 867 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 868 verificationIntent.putExtra( 869 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 870 verificationId); 871 verificationIntent.putExtra( 872 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 873 getDefaultScheme()); 874 verificationIntent.putExtra( 875 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 876 ivs.getHostsString()); 877 verificationIntent.putExtra( 878 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 879 ivs.getPackageName()); 880 verificationIntent.setComponent(mIntentFilterVerifierComponent); 881 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 882 883 UserHandle user = new UserHandle(userId); 884 mContext.sendBroadcastAsUser(verificationIntent, user); 885 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 886 "Sending IntentFilter verification broadcast"); 887 } 888 889 public void receiveVerificationResponse(int verificationId) { 890 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 891 892 final boolean verified = ivs.isVerified(); 893 894 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 895 final int count = filters.size(); 896 if (DEBUG_DOMAIN_VERIFICATION) { 897 Slog.i(TAG, "Received verification response " + verificationId 898 + " for " + count + " filters, verified=" + verified); 899 } 900 for (int n=0; n<count; n++) { 901 PackageParser.ActivityIntentInfo filter = filters.get(n); 902 filter.setVerified(verified); 903 904 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 905 + " verified with result:" + verified + " and hosts:" 906 + ivs.getHostsString()); 907 } 908 909 mIntentFilterVerificationStates.remove(verificationId); 910 911 final String packageName = ivs.getPackageName(); 912 IntentFilterVerificationInfo ivi = null; 913 914 synchronized (mPackages) { 915 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 916 } 917 if (ivi == null) { 918 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 919 + verificationId + " packageName:" + packageName); 920 return; 921 } 922 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 923 "Updating IntentFilterVerificationInfo for package " + packageName 924 +" verificationId:" + verificationId); 925 926 synchronized (mPackages) { 927 if (verified) { 928 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 929 } else { 930 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 931 } 932 scheduleWriteSettingsLocked(); 933 934 final int userId = ivs.getUserId(); 935 if (userId != UserHandle.USER_ALL) { 936 final int userStatus = 937 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 938 939 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 940 boolean needUpdate = false; 941 942 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 943 // already been set by the User thru the Disambiguation dialog 944 switch (userStatus) { 945 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 946 if (verified) { 947 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 948 } else { 949 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 950 } 951 needUpdate = true; 952 break; 953 954 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 955 if (verified) { 956 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 957 needUpdate = true; 958 } 959 break; 960 961 default: 962 // Nothing to do 963 } 964 965 if (needUpdate) { 966 mSettings.updateIntentFilterVerificationStatusLPw( 967 packageName, updatedStatus, userId); 968 scheduleWritePackageRestrictionsLocked(userId); 969 } 970 } 971 } 972 } 973 974 @Override 975 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 976 ActivityIntentInfo filter, String packageName) { 977 if (!hasValidDomains(filter)) { 978 return false; 979 } 980 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 981 if (ivs == null) { 982 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 983 packageName); 984 } 985 if (DEBUG_DOMAIN_VERIFICATION) { 986 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 987 } 988 ivs.addFilter(filter); 989 return true; 990 } 991 992 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 993 int userId, int verificationId, String packageName) { 994 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 995 verifierUid, userId, packageName); 996 ivs.setPendingState(); 997 synchronized (mPackages) { 998 mIntentFilterVerificationStates.append(verificationId, ivs); 999 mCurrentIntentFilterVerifications.add(verificationId); 1000 } 1001 return ivs; 1002 } 1003 } 1004 1005 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1006 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1007 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1008 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1009 } 1010 1011 // Set of pending broadcasts for aggregating enable/disable of components. 1012 static class PendingPackageBroadcasts { 1013 // for each user id, a map of <package name -> components within that package> 1014 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1015 1016 public PendingPackageBroadcasts() { 1017 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1018 } 1019 1020 public ArrayList<String> get(int userId, String packageName) { 1021 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1022 return packages.get(packageName); 1023 } 1024 1025 public void put(int userId, String packageName, ArrayList<String> components) { 1026 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1027 packages.put(packageName, components); 1028 } 1029 1030 public void remove(int userId, String packageName) { 1031 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1032 if (packages != null) { 1033 packages.remove(packageName); 1034 } 1035 } 1036 1037 public void remove(int userId) { 1038 mUidMap.remove(userId); 1039 } 1040 1041 public int userIdCount() { 1042 return mUidMap.size(); 1043 } 1044 1045 public int userIdAt(int n) { 1046 return mUidMap.keyAt(n); 1047 } 1048 1049 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1050 return mUidMap.get(userId); 1051 } 1052 1053 public int size() { 1054 // total number of pending broadcast entries across all userIds 1055 int num = 0; 1056 for (int i = 0; i< mUidMap.size(); i++) { 1057 num += mUidMap.valueAt(i).size(); 1058 } 1059 return num; 1060 } 1061 1062 public void clear() { 1063 mUidMap.clear(); 1064 } 1065 1066 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1067 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1068 if (map == null) { 1069 map = new ArrayMap<String, ArrayList<String>>(); 1070 mUidMap.put(userId, map); 1071 } 1072 return map; 1073 } 1074 } 1075 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1076 1077 // Service Connection to remote media container service to copy 1078 // package uri's from external media onto secure containers 1079 // or internal storage. 1080 private IMediaContainerService mContainerService = null; 1081 1082 static final int SEND_PENDING_BROADCAST = 1; 1083 static final int MCS_BOUND = 3; 1084 static final int END_COPY = 4; 1085 static final int INIT_COPY = 5; 1086 static final int MCS_UNBIND = 6; 1087 static final int START_CLEANING_PACKAGE = 7; 1088 static final int FIND_INSTALL_LOC = 8; 1089 static final int POST_INSTALL = 9; 1090 static final int MCS_RECONNECT = 10; 1091 static final int MCS_GIVE_UP = 11; 1092 static final int UPDATED_MEDIA_STATUS = 12; 1093 static final int WRITE_SETTINGS = 13; 1094 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1095 static final int PACKAGE_VERIFIED = 15; 1096 static final int CHECK_PENDING_VERIFICATION = 16; 1097 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1098 static final int INTENT_FILTER_VERIFIED = 18; 1099 static final int WRITE_PACKAGE_LIST = 19; 1100 static final int EPHEMERAL_RESOLUTION_PHASE_TWO = 20; 1101 1102 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1103 1104 // Delay time in millisecs 1105 static final int BROADCAST_DELAY = 10 * 1000; 1106 1107 static UserManagerService sUserManager; 1108 1109 // Stores a list of users whose package restrictions file needs to be updated 1110 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1111 1112 final private DefaultContainerConnection mDefContainerConn = 1113 new DefaultContainerConnection(); 1114 class DefaultContainerConnection implements ServiceConnection { 1115 public void onServiceConnected(ComponentName name, IBinder service) { 1116 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1117 final IMediaContainerService imcs = IMediaContainerService.Stub 1118 .asInterface(Binder.allowBlocking(service)); 1119 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1120 } 1121 1122 public void onServiceDisconnected(ComponentName name) { 1123 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1124 } 1125 } 1126 1127 // Recordkeeping of restore-after-install operations that are currently in flight 1128 // between the Package Manager and the Backup Manager 1129 static class PostInstallData { 1130 public InstallArgs args; 1131 public PackageInstalledInfo res; 1132 1133 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1134 args = _a; 1135 res = _r; 1136 } 1137 } 1138 1139 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1140 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1141 1142 // XML tags for backup/restore of various bits of state 1143 private static final String TAG_PREFERRED_BACKUP = "pa"; 1144 private static final String TAG_DEFAULT_APPS = "da"; 1145 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1146 1147 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1148 private static final String TAG_ALL_GRANTS = "rt-grants"; 1149 private static final String TAG_GRANT = "grant"; 1150 private static final String ATTR_PACKAGE_NAME = "pkg"; 1151 1152 private static final String TAG_PERMISSION = "perm"; 1153 private static final String ATTR_PERMISSION_NAME = "name"; 1154 private static final String ATTR_IS_GRANTED = "g"; 1155 private static final String ATTR_USER_SET = "set"; 1156 private static final String ATTR_USER_FIXED = "fixed"; 1157 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1158 1159 // System/policy permission grants are not backed up 1160 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1161 FLAG_PERMISSION_POLICY_FIXED 1162 | FLAG_PERMISSION_SYSTEM_FIXED 1163 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1164 1165 // And we back up these user-adjusted states 1166 private static final int USER_RUNTIME_GRANT_MASK = 1167 FLAG_PERMISSION_USER_SET 1168 | FLAG_PERMISSION_USER_FIXED 1169 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1170 1171 final @Nullable String mRequiredVerifierPackage; 1172 final @NonNull String mRequiredInstallerPackage; 1173 final @NonNull String mRequiredUninstallerPackage; 1174 final @Nullable String mSetupWizardPackage; 1175 final @Nullable String mStorageManagerPackage; 1176 final @NonNull String mServicesSystemSharedLibraryPackageName; 1177 final @NonNull String mSharedSystemSharedLibraryPackageName; 1178 1179 final boolean mPermissionReviewRequired; 1180 1181 private final PackageUsage mPackageUsage = new PackageUsage(); 1182 private final CompilerStats mCompilerStats = new CompilerStats(); 1183 1184 class PackageHandler extends Handler { 1185 private boolean mBound = false; 1186 final ArrayList<HandlerParams> mPendingInstalls = 1187 new ArrayList<HandlerParams>(); 1188 1189 private boolean connectToService() { 1190 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1191 " DefaultContainerService"); 1192 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1193 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1194 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1195 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1196 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1197 mBound = true; 1198 return true; 1199 } 1200 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1201 return false; 1202 } 1203 1204 private void disconnectService() { 1205 mContainerService = null; 1206 mBound = false; 1207 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1208 mContext.unbindService(mDefContainerConn); 1209 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1210 } 1211 1212 PackageHandler(Looper looper) { 1213 super(looper); 1214 } 1215 1216 public void handleMessage(Message msg) { 1217 try { 1218 doHandleMessage(msg); 1219 } finally { 1220 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1221 } 1222 } 1223 1224 void doHandleMessage(Message msg) { 1225 switch (msg.what) { 1226 case INIT_COPY: { 1227 HandlerParams params = (HandlerParams) msg.obj; 1228 int idx = mPendingInstalls.size(); 1229 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1230 // If a bind was already initiated we dont really 1231 // need to do anything. The pending install 1232 // will be processed later on. 1233 if (!mBound) { 1234 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1235 System.identityHashCode(mHandler)); 1236 // If this is the only one pending we might 1237 // have to bind to the service again. 1238 if (!connectToService()) { 1239 Slog.e(TAG, "Failed to bind to media container service"); 1240 params.serviceError(); 1241 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1242 System.identityHashCode(mHandler)); 1243 if (params.traceMethod != null) { 1244 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1245 params.traceCookie); 1246 } 1247 return; 1248 } else { 1249 // Once we bind to the service, the first 1250 // pending request will be processed. 1251 mPendingInstalls.add(idx, params); 1252 } 1253 } else { 1254 mPendingInstalls.add(idx, params); 1255 // Already bound to the service. Just make 1256 // sure we trigger off processing the first request. 1257 if (idx == 0) { 1258 mHandler.sendEmptyMessage(MCS_BOUND); 1259 } 1260 } 1261 break; 1262 } 1263 case MCS_BOUND: { 1264 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1265 if (msg.obj != null) { 1266 mContainerService = (IMediaContainerService) msg.obj; 1267 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1268 System.identityHashCode(mHandler)); 1269 } 1270 if (mContainerService == null) { 1271 if (!mBound) { 1272 // Something seriously wrong since we are not bound and we are not 1273 // waiting for connection. Bail out. 1274 Slog.e(TAG, "Cannot bind to media container service"); 1275 for (HandlerParams params : mPendingInstalls) { 1276 // Indicate service bind error 1277 params.serviceError(); 1278 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1279 System.identityHashCode(params)); 1280 if (params.traceMethod != null) { 1281 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1282 params.traceMethod, params.traceCookie); 1283 } 1284 return; 1285 } 1286 mPendingInstalls.clear(); 1287 } else { 1288 Slog.w(TAG, "Waiting to connect to media container service"); 1289 } 1290 } else if (mPendingInstalls.size() > 0) { 1291 HandlerParams params = mPendingInstalls.get(0); 1292 if (params != null) { 1293 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1294 System.identityHashCode(params)); 1295 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1296 if (params.startCopy()) { 1297 // We are done... look for more work or to 1298 // go idle. 1299 if (DEBUG_SD_INSTALL) Log.i(TAG, 1300 "Checking for more work or unbind..."); 1301 // Delete pending install 1302 if (mPendingInstalls.size() > 0) { 1303 mPendingInstalls.remove(0); 1304 } 1305 if (mPendingInstalls.size() == 0) { 1306 if (mBound) { 1307 if (DEBUG_SD_INSTALL) Log.i(TAG, 1308 "Posting delayed MCS_UNBIND"); 1309 removeMessages(MCS_UNBIND); 1310 Message ubmsg = obtainMessage(MCS_UNBIND); 1311 // Unbind after a little delay, to avoid 1312 // continual thrashing. 1313 sendMessageDelayed(ubmsg, 10000); 1314 } 1315 } else { 1316 // There are more pending requests in queue. 1317 // Just post MCS_BOUND message to trigger processing 1318 // of next pending install. 1319 if (DEBUG_SD_INSTALL) Log.i(TAG, 1320 "Posting MCS_BOUND for next work"); 1321 mHandler.sendEmptyMessage(MCS_BOUND); 1322 } 1323 } 1324 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1325 } 1326 } else { 1327 // Should never happen ideally. 1328 Slog.w(TAG, "Empty queue"); 1329 } 1330 break; 1331 } 1332 case MCS_RECONNECT: { 1333 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1334 if (mPendingInstalls.size() > 0) { 1335 if (mBound) { 1336 disconnectService(); 1337 } 1338 if (!connectToService()) { 1339 Slog.e(TAG, "Failed to bind to media container service"); 1340 for (HandlerParams params : mPendingInstalls) { 1341 // Indicate service bind error 1342 params.serviceError(); 1343 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1344 System.identityHashCode(params)); 1345 } 1346 mPendingInstalls.clear(); 1347 } 1348 } 1349 break; 1350 } 1351 case MCS_UNBIND: { 1352 // If there is no actual work left, then time to unbind. 1353 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1354 1355 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1356 if (mBound) { 1357 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1358 1359 disconnectService(); 1360 } 1361 } else if (mPendingInstalls.size() > 0) { 1362 // There are more pending requests in queue. 1363 // Just post MCS_BOUND message to trigger processing 1364 // of next pending install. 1365 mHandler.sendEmptyMessage(MCS_BOUND); 1366 } 1367 1368 break; 1369 } 1370 case MCS_GIVE_UP: { 1371 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1372 HandlerParams params = mPendingInstalls.remove(0); 1373 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1374 System.identityHashCode(params)); 1375 break; 1376 } 1377 case SEND_PENDING_BROADCAST: { 1378 String packages[]; 1379 ArrayList<String> components[]; 1380 int size = 0; 1381 int uids[]; 1382 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1383 synchronized (mPackages) { 1384 if (mPendingBroadcasts == null) { 1385 return; 1386 } 1387 size = mPendingBroadcasts.size(); 1388 if (size <= 0) { 1389 // Nothing to be done. Just return 1390 return; 1391 } 1392 packages = new String[size]; 1393 components = new ArrayList[size]; 1394 uids = new int[size]; 1395 int i = 0; // filling out the above arrays 1396 1397 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1398 int packageUserId = mPendingBroadcasts.userIdAt(n); 1399 Iterator<Map.Entry<String, ArrayList<String>>> it 1400 = mPendingBroadcasts.packagesForUserId(packageUserId) 1401 .entrySet().iterator(); 1402 while (it.hasNext() && i < size) { 1403 Map.Entry<String, ArrayList<String>> ent = it.next(); 1404 packages[i] = ent.getKey(); 1405 components[i] = ent.getValue(); 1406 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1407 uids[i] = (ps != null) 1408 ? UserHandle.getUid(packageUserId, ps.appId) 1409 : -1; 1410 i++; 1411 } 1412 } 1413 size = i; 1414 mPendingBroadcasts.clear(); 1415 } 1416 // Send broadcasts 1417 for (int i = 0; i < size; i++) { 1418 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1419 } 1420 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1421 break; 1422 } 1423 case START_CLEANING_PACKAGE: { 1424 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1425 final String packageName = (String)msg.obj; 1426 final int userId = msg.arg1; 1427 final boolean andCode = msg.arg2 != 0; 1428 synchronized (mPackages) { 1429 if (userId == UserHandle.USER_ALL) { 1430 int[] users = sUserManager.getUserIds(); 1431 for (int user : users) { 1432 mSettings.addPackageToCleanLPw( 1433 new PackageCleanItem(user, packageName, andCode)); 1434 } 1435 } else { 1436 mSettings.addPackageToCleanLPw( 1437 new PackageCleanItem(userId, packageName, andCode)); 1438 } 1439 } 1440 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1441 startCleaningPackages(); 1442 } break; 1443 case POST_INSTALL: { 1444 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1445 1446 PostInstallData data = mRunningInstalls.get(msg.arg1); 1447 final boolean didRestore = (msg.arg2 != 0); 1448 mRunningInstalls.delete(msg.arg1); 1449 1450 if (data != null) { 1451 InstallArgs args = data.args; 1452 PackageInstalledInfo parentRes = data.res; 1453 1454 final boolean grantPermissions = (args.installFlags 1455 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1456 final boolean killApp = (args.installFlags 1457 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1458 final String[] grantedPermissions = args.installGrantPermissions; 1459 1460 // Handle the parent package 1461 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1462 grantedPermissions, didRestore, args.installerPackageName, 1463 args.observer); 1464 1465 // Handle the child packages 1466 final int childCount = (parentRes.addedChildPackages != null) 1467 ? parentRes.addedChildPackages.size() : 0; 1468 for (int i = 0; i < childCount; i++) { 1469 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1470 handlePackagePostInstall(childRes, grantPermissions, killApp, 1471 grantedPermissions, false, args.installerPackageName, 1472 args.observer); 1473 } 1474 1475 // Log tracing if needed 1476 if (args.traceMethod != null) { 1477 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1478 args.traceCookie); 1479 } 1480 } else { 1481 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1482 } 1483 1484 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1485 } break; 1486 case UPDATED_MEDIA_STATUS: { 1487 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1488 boolean reportStatus = msg.arg1 == 1; 1489 boolean doGc = msg.arg2 == 1; 1490 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1491 if (doGc) { 1492 // Force a gc to clear up stale containers. 1493 Runtime.getRuntime().gc(); 1494 } 1495 if (msg.obj != null) { 1496 @SuppressWarnings("unchecked") 1497 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1498 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1499 // Unload containers 1500 unloadAllContainers(args); 1501 } 1502 if (reportStatus) { 1503 try { 1504 if (DEBUG_SD_INSTALL) Log.i(TAG, 1505 "Invoking StorageManagerService call back"); 1506 PackageHelper.getStorageManager().finishMediaUpdate(); 1507 } catch (RemoteException e) { 1508 Log.e(TAG, "StorageManagerService not running?"); 1509 } 1510 } 1511 } break; 1512 case WRITE_SETTINGS: { 1513 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1514 synchronized (mPackages) { 1515 removeMessages(WRITE_SETTINGS); 1516 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1517 mSettings.writeLPr(); 1518 mDirtyUsers.clear(); 1519 } 1520 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1521 } break; 1522 case WRITE_PACKAGE_RESTRICTIONS: { 1523 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1524 synchronized (mPackages) { 1525 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1526 for (int userId : mDirtyUsers) { 1527 mSettings.writePackageRestrictionsLPr(userId); 1528 } 1529 mDirtyUsers.clear(); 1530 } 1531 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1532 } break; 1533 case WRITE_PACKAGE_LIST: { 1534 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1535 synchronized (mPackages) { 1536 removeMessages(WRITE_PACKAGE_LIST); 1537 mSettings.writePackageListLPr(msg.arg1); 1538 } 1539 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1540 } break; 1541 case CHECK_PENDING_VERIFICATION: { 1542 final int verificationId = msg.arg1; 1543 final PackageVerificationState state = mPendingVerification.get(verificationId); 1544 1545 if ((state != null) && !state.timeoutExtended()) { 1546 final InstallArgs args = state.getInstallArgs(); 1547 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1548 1549 Slog.i(TAG, "Verification timed out for " + originUri); 1550 mPendingVerification.remove(verificationId); 1551 1552 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1553 1554 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1555 Slog.i(TAG, "Continuing with installation of " + originUri); 1556 state.setVerifierResponse(Binder.getCallingUid(), 1557 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1558 broadcastPackageVerified(verificationId, originUri, 1559 PackageManager.VERIFICATION_ALLOW, 1560 state.getInstallArgs().getUser()); 1561 try { 1562 ret = args.copyApk(mContainerService, true); 1563 } catch (RemoteException e) { 1564 Slog.e(TAG, "Could not contact the ContainerService"); 1565 } 1566 } else { 1567 broadcastPackageVerified(verificationId, originUri, 1568 PackageManager.VERIFICATION_REJECT, 1569 state.getInstallArgs().getUser()); 1570 } 1571 1572 Trace.asyncTraceEnd( 1573 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1574 1575 processPendingInstall(args, ret); 1576 mHandler.sendEmptyMessage(MCS_UNBIND); 1577 } 1578 break; 1579 } 1580 case PACKAGE_VERIFIED: { 1581 final int verificationId = msg.arg1; 1582 1583 final PackageVerificationState state = mPendingVerification.get(verificationId); 1584 if (state == null) { 1585 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1586 break; 1587 } 1588 1589 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1590 1591 state.setVerifierResponse(response.callerUid, response.code); 1592 1593 if (state.isVerificationComplete()) { 1594 mPendingVerification.remove(verificationId); 1595 1596 final InstallArgs args = state.getInstallArgs(); 1597 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1598 1599 int ret; 1600 if (state.isInstallAllowed()) { 1601 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1602 broadcastPackageVerified(verificationId, originUri, 1603 response.code, state.getInstallArgs().getUser()); 1604 try { 1605 ret = args.copyApk(mContainerService, true); 1606 } catch (RemoteException e) { 1607 Slog.e(TAG, "Could not contact the ContainerService"); 1608 } 1609 } else { 1610 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1611 } 1612 1613 Trace.asyncTraceEnd( 1614 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1615 1616 processPendingInstall(args, ret); 1617 mHandler.sendEmptyMessage(MCS_UNBIND); 1618 } 1619 1620 break; 1621 } 1622 case START_INTENT_FILTER_VERIFICATIONS: { 1623 IFVerificationParams params = (IFVerificationParams) msg.obj; 1624 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1625 params.replacing, params.pkg); 1626 break; 1627 } 1628 case INTENT_FILTER_VERIFIED: { 1629 final int verificationId = msg.arg1; 1630 1631 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1632 verificationId); 1633 if (state == null) { 1634 Slog.w(TAG, "Invalid IntentFilter verification token " 1635 + verificationId + " received"); 1636 break; 1637 } 1638 1639 final int userId = state.getUserId(); 1640 1641 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1642 "Processing IntentFilter verification with token:" 1643 + verificationId + " and userId:" + userId); 1644 1645 final IntentFilterVerificationResponse response = 1646 (IntentFilterVerificationResponse) msg.obj; 1647 1648 state.setVerifierResponse(response.callerUid, response.code); 1649 1650 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1651 "IntentFilter verification with token:" + verificationId 1652 + " and userId:" + userId 1653 + " is settings verifier response with response code:" 1654 + response.code); 1655 1656 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1657 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1658 + response.getFailedDomainsString()); 1659 } 1660 1661 if (state.isVerificationComplete()) { 1662 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1663 } else { 1664 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1665 "IntentFilter verification with token:" + verificationId 1666 + " was not said to be complete"); 1667 } 1668 1669 break; 1670 } 1671 case EPHEMERAL_RESOLUTION_PHASE_TWO: { 1672 EphemeralResolver.doEphemeralResolutionPhaseTwo(mContext, 1673 mEphemeralResolverConnection, 1674 (EphemeralRequest) msg.obj, 1675 mEphemeralInstallerActivity, 1676 mHandler); 1677 } 1678 } 1679 } 1680 } 1681 1682 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1683 boolean killApp, String[] grantedPermissions, 1684 boolean launchedForRestore, String installerPackage, 1685 IPackageInstallObserver2 installObserver) { 1686 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1687 // Send the removed broadcasts 1688 if (res.removedInfo != null) { 1689 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1690 } 1691 1692 // Now that we successfully installed the package, grant runtime 1693 // permissions if requested before broadcasting the install. 1694 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1695 >= Build.VERSION_CODES.M) { 1696 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1697 } 1698 1699 final boolean update = res.removedInfo != null 1700 && res.removedInfo.removedPackage != null; 1701 1702 // If this is the first time we have child packages for a disabled privileged 1703 // app that had no children, we grant requested runtime permissions to the new 1704 // children if the parent on the system image had them already granted. 1705 if (res.pkg.parentPackage != null) { 1706 synchronized (mPackages) { 1707 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1708 } 1709 } 1710 1711 synchronized (mPackages) { 1712 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1713 } 1714 1715 final String packageName = res.pkg.applicationInfo.packageName; 1716 1717 // Determine the set of users who are adding this package for 1718 // the first time vs. those who are seeing an update. 1719 int[] firstUsers = EMPTY_INT_ARRAY; 1720 int[] updateUsers = EMPTY_INT_ARRAY; 1721 if (res.origUsers == null || res.origUsers.length == 0) { 1722 firstUsers = res.newUsers; 1723 } else { 1724 for (int newUser : res.newUsers) { 1725 boolean isNew = true; 1726 for (int origUser : res.origUsers) { 1727 if (origUser == newUser) { 1728 isNew = false; 1729 break; 1730 } 1731 } 1732 if (isNew) { 1733 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1734 } else { 1735 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1736 } 1737 } 1738 } 1739 1740 // Send installed broadcasts if the install/update is not ephemeral 1741 if (!isEphemeral(res.pkg)) { 1742 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1743 1744 // Send added for users that see the package for the first time 1745 // sendPackageAddedForNewUsers also deals with system apps 1746 int appId = UserHandle.getAppId(res.uid); 1747 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1748 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1749 1750 // Send added for users that don't see the package for the first time 1751 Bundle extras = new Bundle(1); 1752 extras.putInt(Intent.EXTRA_UID, res.uid); 1753 if (update) { 1754 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1755 } 1756 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1757 extras, 0 /*flags*/, null /*targetPackage*/, 1758 null /*finishedReceiver*/, updateUsers); 1759 1760 // Send replaced for users that don't see the package for the first time 1761 if (update) { 1762 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1763 packageName, extras, 0 /*flags*/, 1764 null /*targetPackage*/, null /*finishedReceiver*/, 1765 updateUsers); 1766 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1767 null /*package*/, null /*extras*/, 0 /*flags*/, 1768 packageName /*targetPackage*/, 1769 null /*finishedReceiver*/, updateUsers); 1770 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1771 // First-install and we did a restore, so we're responsible for the 1772 // first-launch broadcast. 1773 if (DEBUG_BACKUP) { 1774 Slog.i(TAG, "Post-restore of " + packageName 1775 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1776 } 1777 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1778 } 1779 1780 // Send broadcast package appeared if forward locked/external for all users 1781 // treat asec-hosted packages like removable media on upgrade 1782 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1783 if (DEBUG_INSTALL) { 1784 Slog.i(TAG, "upgrading pkg " + res.pkg 1785 + " is ASEC-hosted -> AVAILABLE"); 1786 } 1787 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1788 ArrayList<String> pkgList = new ArrayList<>(1); 1789 pkgList.add(packageName); 1790 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1791 } 1792 } 1793 1794 // Work that needs to happen on first install within each user 1795 if (firstUsers != null && firstUsers.length > 0) { 1796 synchronized (mPackages) { 1797 for (int userId : firstUsers) { 1798 // If this app is a browser and it's newly-installed for some 1799 // users, clear any default-browser state in those users. The 1800 // app's nature doesn't depend on the user, so we can just check 1801 // its browser nature in any user and generalize. 1802 if (packageIsBrowser(packageName, userId)) { 1803 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1804 } 1805 1806 // We may also need to apply pending (restored) runtime 1807 // permission grants within these users. 1808 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1809 } 1810 } 1811 } 1812 1813 // Log current value of "unknown sources" setting 1814 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1815 getUnknownSourcesSettings()); 1816 1817 // Force a gc to clear up things 1818 Runtime.getRuntime().gc(); 1819 1820 // Remove the replaced package's older resources safely now 1821 // We delete after a gc for applications on sdcard. 1822 if (res.removedInfo != null && res.removedInfo.args != null) { 1823 synchronized (mInstallLock) { 1824 res.removedInfo.args.doPostDeleteLI(true); 1825 } 1826 } 1827 } 1828 1829 // If someone is watching installs - notify them 1830 if (installObserver != null) { 1831 try { 1832 Bundle extras = extrasForInstallResult(res); 1833 installObserver.onPackageInstalled(res.name, res.returnCode, 1834 res.returnMsg, extras); 1835 } catch (RemoteException e) { 1836 Slog.i(TAG, "Observer no longer exists."); 1837 } 1838 } 1839 } 1840 1841 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1842 PackageParser.Package pkg) { 1843 if (pkg.parentPackage == null) { 1844 return; 1845 } 1846 if (pkg.requestedPermissions == null) { 1847 return; 1848 } 1849 final PackageSetting disabledSysParentPs = mSettings 1850 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1851 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1852 || !disabledSysParentPs.isPrivileged() 1853 || (disabledSysParentPs.childPackageNames != null 1854 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1855 return; 1856 } 1857 final int[] allUserIds = sUserManager.getUserIds(); 1858 final int permCount = pkg.requestedPermissions.size(); 1859 for (int i = 0; i < permCount; i++) { 1860 String permission = pkg.requestedPermissions.get(i); 1861 BasePermission bp = mSettings.mPermissions.get(permission); 1862 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1863 continue; 1864 } 1865 for (int userId : allUserIds) { 1866 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1867 permission, userId)) { 1868 grantRuntimePermission(pkg.packageName, permission, userId); 1869 } 1870 } 1871 } 1872 } 1873 1874 private StorageEventListener mStorageListener = new StorageEventListener() { 1875 @Override 1876 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1877 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1878 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1879 final String volumeUuid = vol.getFsUuid(); 1880 1881 // Clean up any users or apps that were removed or recreated 1882 // while this volume was missing 1883 reconcileUsers(volumeUuid); 1884 reconcileApps(volumeUuid); 1885 1886 // Clean up any install sessions that expired or were 1887 // cancelled while this volume was missing 1888 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1889 1890 loadPrivatePackages(vol); 1891 1892 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1893 unloadPrivatePackages(vol); 1894 } 1895 } 1896 1897 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1898 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1899 updateExternalMediaStatus(true, false); 1900 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1901 updateExternalMediaStatus(false, false); 1902 } 1903 } 1904 } 1905 1906 @Override 1907 public void onVolumeForgotten(String fsUuid) { 1908 if (TextUtils.isEmpty(fsUuid)) { 1909 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1910 return; 1911 } 1912 1913 // Remove any apps installed on the forgotten volume 1914 synchronized (mPackages) { 1915 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1916 for (PackageSetting ps : packages) { 1917 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1918 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1919 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1920 1921 // Try very hard to release any references to this package 1922 // so we don't risk the system server being killed due to 1923 // open FDs 1924 AttributeCache.instance().removePackage(ps.name); 1925 } 1926 1927 mSettings.onVolumeForgotten(fsUuid); 1928 mSettings.writeLPr(); 1929 } 1930 } 1931 }; 1932 1933 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1934 String[] grantedPermissions) { 1935 for (int userId : userIds) { 1936 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1937 } 1938 1939 // We could have touched GID membership, so flush out packages.list 1940 synchronized (mPackages) { 1941 mSettings.writePackageListLPr(); 1942 } 1943 } 1944 1945 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1946 String[] grantedPermissions) { 1947 SettingBase sb = (SettingBase) pkg.mExtras; 1948 if (sb == null) { 1949 return; 1950 } 1951 1952 PermissionsState permissionsState = sb.getPermissionsState(); 1953 1954 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1955 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1956 1957 for (String permission : pkg.requestedPermissions) { 1958 final BasePermission bp; 1959 synchronized (mPackages) { 1960 bp = mSettings.mPermissions.get(permission); 1961 } 1962 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1963 && (grantedPermissions == null 1964 || ArrayUtils.contains(grantedPermissions, permission))) { 1965 final int flags = permissionsState.getPermissionFlags(permission, userId); 1966 // Installer cannot change immutable permissions. 1967 if ((flags & immutableFlags) == 0) { 1968 grantRuntimePermission(pkg.packageName, permission, userId); 1969 } 1970 } 1971 } 1972 } 1973 1974 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1975 Bundle extras = null; 1976 switch (res.returnCode) { 1977 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1978 extras = new Bundle(); 1979 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1980 res.origPermission); 1981 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1982 res.origPackage); 1983 break; 1984 } 1985 case PackageManager.INSTALL_SUCCEEDED: { 1986 extras = new Bundle(); 1987 extras.putBoolean(Intent.EXTRA_REPLACING, 1988 res.removedInfo != null && res.removedInfo.removedPackage != null); 1989 break; 1990 } 1991 } 1992 return extras; 1993 } 1994 1995 void scheduleWriteSettingsLocked() { 1996 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1997 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1998 } 1999 } 2000 2001 void scheduleWritePackageListLocked(int userId) { 2002 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2003 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2004 msg.arg1 = userId; 2005 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2006 } 2007 } 2008 2009 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2010 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2011 scheduleWritePackageRestrictionsLocked(userId); 2012 } 2013 2014 void scheduleWritePackageRestrictionsLocked(int userId) { 2015 final int[] userIds = (userId == UserHandle.USER_ALL) 2016 ? sUserManager.getUserIds() : new int[]{userId}; 2017 for (int nextUserId : userIds) { 2018 if (!sUserManager.exists(nextUserId)) return; 2019 mDirtyUsers.add(nextUserId); 2020 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2021 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2022 } 2023 } 2024 } 2025 2026 public static PackageManagerService main(Context context, Installer installer, 2027 boolean factoryTest, boolean onlyCore) { 2028 // Self-check for initial settings. 2029 PackageManagerServiceCompilerMapping.checkProperties(); 2030 2031 PackageManagerService m = new PackageManagerService(context, installer, 2032 factoryTest, onlyCore); 2033 m.enableSystemUserPackages(); 2034 ServiceManager.addService("package", m); 2035 return m; 2036 } 2037 2038 private void enableSystemUserPackages() { 2039 if (!UserManager.isSplitSystemUser()) { 2040 return; 2041 } 2042 // For system user, enable apps based on the following conditions: 2043 // - app is whitelisted or belong to one of these groups: 2044 // -- system app which has no launcher icons 2045 // -- system app which has INTERACT_ACROSS_USERS permission 2046 // -- system IME app 2047 // - app is not in the blacklist 2048 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2049 Set<String> enableApps = new ArraySet<>(); 2050 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2051 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2052 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2053 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2054 enableApps.addAll(wlApps); 2055 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2056 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2057 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2058 enableApps.removeAll(blApps); 2059 Log.i(TAG, "Applications installed for system user: " + enableApps); 2060 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2061 UserHandle.SYSTEM); 2062 final int allAppsSize = allAps.size(); 2063 synchronized (mPackages) { 2064 for (int i = 0; i < allAppsSize; i++) { 2065 String pName = allAps.get(i); 2066 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2067 // Should not happen, but we shouldn't be failing if it does 2068 if (pkgSetting == null) { 2069 continue; 2070 } 2071 boolean install = enableApps.contains(pName); 2072 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2073 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2074 + " for system user"); 2075 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2076 } 2077 } 2078 } 2079 } 2080 2081 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2082 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2083 Context.DISPLAY_SERVICE); 2084 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2085 } 2086 2087 /** 2088 * Requests that files preopted on a secondary system partition be copied to the data partition 2089 * if possible. Note that the actual copying of the files is accomplished by init for security 2090 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2091 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2092 */ 2093 private static void requestCopyPreoptedFiles() { 2094 final int WAIT_TIME_MS = 100; 2095 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2096 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2097 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2098 // We will wait for up to 100 seconds. 2099 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2100 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2101 try { 2102 Thread.sleep(WAIT_TIME_MS); 2103 } catch (InterruptedException e) { 2104 // Do nothing 2105 } 2106 if (SystemClock.uptimeMillis() > timeEnd) { 2107 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2108 Slog.wtf(TAG, "cppreopt did not finish!"); 2109 break; 2110 } 2111 } 2112 } 2113 } 2114 2115 public PackageManagerService(Context context, Installer installer, 2116 boolean factoryTest, boolean onlyCore) { 2117 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2118 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2119 SystemClock.uptimeMillis()); 2120 2121 if (mSdkVersion <= 0) { 2122 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2123 } 2124 2125 mContext = context; 2126 2127 mPermissionReviewRequired = context.getResources().getBoolean( 2128 R.bool.config_permissionReviewRequired); 2129 2130 mFactoryTest = factoryTest; 2131 mOnlyCore = onlyCore; 2132 mMetrics = new DisplayMetrics(); 2133 mSettings = new Settings(mPackages); 2134 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2135 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2136 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2137 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2138 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2139 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2140 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2141 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2142 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2143 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2144 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2145 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2146 2147 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2148 if (separateProcesses != null && separateProcesses.length() > 0) { 2149 if ("*".equals(separateProcesses)) { 2150 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2151 mSeparateProcesses = null; 2152 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2153 } else { 2154 mDefParseFlags = 0; 2155 mSeparateProcesses = separateProcesses.split(","); 2156 Slog.w(TAG, "Running with debug.separate_processes: " 2157 + separateProcesses); 2158 } 2159 } else { 2160 mDefParseFlags = 0; 2161 mSeparateProcesses = null; 2162 } 2163 2164 mInstaller = installer; 2165 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2166 "*dexopt*"); 2167 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2168 2169 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2170 FgThread.get().getLooper()); 2171 2172 getDefaultDisplayMetrics(context, mMetrics); 2173 2174 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2175 SystemConfig systemConfig = SystemConfig.getInstance(); 2176 mGlobalGids = systemConfig.getGlobalGids(); 2177 mSystemPermissions = systemConfig.getSystemPermissions(); 2178 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2179 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2180 2181 mProtectedPackages = new ProtectedPackages(mContext); 2182 2183 synchronized (mInstallLock) { 2184 // writer 2185 synchronized (mPackages) { 2186 mHandlerThread = new ServiceThread(TAG, 2187 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2188 mHandlerThread.start(); 2189 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2190 mProcessLoggingHandler = new ProcessLoggingHandler(); 2191 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2192 2193 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2194 2195 File dataDir = Environment.getDataDirectory(); 2196 mAppInstallDir = new File(dataDir, "app"); 2197 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2198 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2199 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2200 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2201 2202 sUserManager = new UserManagerService(context, this, mPackages); 2203 2204 // Propagate permission configuration in to package manager. 2205 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2206 = systemConfig.getPermissions(); 2207 for (int i=0; i<permConfig.size(); i++) { 2208 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2209 BasePermission bp = mSettings.mPermissions.get(perm.name); 2210 if (bp == null) { 2211 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2212 mSettings.mPermissions.put(perm.name, bp); 2213 } 2214 if (perm.gids != null) { 2215 bp.setGids(perm.gids, perm.perUser); 2216 } 2217 } 2218 2219 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2220 for (int i=0; i<libConfig.size(); i++) { 2221 mSharedLibraries.put(libConfig.keyAt(i), 2222 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2223 } 2224 2225 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2226 2227 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2228 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2229 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2230 2231 if (mFirstBoot) { 2232 requestCopyPreoptedFiles(); 2233 } 2234 2235 String customResolverActivity = Resources.getSystem().getString( 2236 R.string.config_customResolverActivity); 2237 if (TextUtils.isEmpty(customResolverActivity)) { 2238 customResolverActivity = null; 2239 } else { 2240 mCustomResolverComponentName = ComponentName.unflattenFromString( 2241 customResolverActivity); 2242 } 2243 2244 long startTime = SystemClock.uptimeMillis(); 2245 2246 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2247 startTime); 2248 2249 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2250 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2251 2252 if (bootClassPath == null) { 2253 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2254 } 2255 2256 if (systemServerClassPath == null) { 2257 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2258 } 2259 2260 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2261 final String[] dexCodeInstructionSets = 2262 getDexCodeInstructionSets( 2263 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2264 2265 /** 2266 * Ensure all external libraries have had dexopt run on them. 2267 */ 2268 if (mSharedLibraries.size() > 0) { 2269 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2270 // NOTE: For now, we're compiling these system "shared libraries" 2271 // (and framework jars) into all available architectures. It's possible 2272 // to compile them only when we come across an app that uses them (there's 2273 // already logic for that in scanPackageLI) but that adds some complexity. 2274 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2275 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2276 final String lib = libEntry.path; 2277 if (lib == null) { 2278 continue; 2279 } 2280 2281 try { 2282 // Shared libraries do not have profiles so we perform a full 2283 // AOT compilation (if needed). 2284 int dexoptNeeded = DexFile.getDexOptNeeded( 2285 lib, dexCodeInstructionSet, 2286 getCompilerFilterForReason(REASON_SHARED_APK), 2287 false /* newProfile */); 2288 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2289 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2290 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2291 getCompilerFilterForReason(REASON_SHARED_APK), 2292 StorageManager.UUID_PRIVATE_INTERNAL, 2293 SKIP_SHARED_LIBRARY_CHECK); 2294 } 2295 } catch (FileNotFoundException e) { 2296 Slog.w(TAG, "Library not found: " + lib); 2297 } catch (IOException | InstallerException e) { 2298 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2299 + e.getMessage()); 2300 } 2301 } 2302 } 2303 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2304 } 2305 2306 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2307 2308 final VersionInfo ver = mSettings.getInternalVersion(); 2309 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2310 2311 // when upgrading from pre-M, promote system app permissions from install to runtime 2312 mPromoteSystemApps = 2313 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2314 2315 // When upgrading from pre-N, we need to handle package extraction like first boot, 2316 // as there is no profiling data available. 2317 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2318 2319 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2320 2321 // save off the names of pre-existing system packages prior to scanning; we don't 2322 // want to automatically grant runtime permissions for new system apps 2323 if (mPromoteSystemApps) { 2324 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2325 while (pkgSettingIter.hasNext()) { 2326 PackageSetting ps = pkgSettingIter.next(); 2327 if (isSystemApp(ps)) { 2328 mExistingSystemPackages.add(ps.name); 2329 } 2330 } 2331 } 2332 2333 // Set flag to monitor and not change apk file paths when 2334 // scanning install directories. 2335 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2336 2337 if (mIsUpgrade || mFirstBoot) { 2338 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2339 } 2340 2341 // Collect vendor overlay packages. (Do this before scanning any apps.) 2342 // For security and version matching reason, only consider 2343 // overlay packages if they reside in the right directory. 2344 String overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PERSIST_PROPERTY); 2345 if (overlayThemeDir.isEmpty()) { 2346 overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PROPERTY); 2347 } 2348 if (!overlayThemeDir.isEmpty()) { 2349 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlayThemeDir), mDefParseFlags 2350 | PackageParser.PARSE_IS_SYSTEM 2351 | PackageParser.PARSE_IS_SYSTEM_DIR 2352 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2353 } 2354 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2355 | PackageParser.PARSE_IS_SYSTEM 2356 | PackageParser.PARSE_IS_SYSTEM_DIR 2357 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2358 2359 // Find base frameworks (resource packages without code). 2360 scanDirTracedLI(frameworkDir, mDefParseFlags 2361 | PackageParser.PARSE_IS_SYSTEM 2362 | PackageParser.PARSE_IS_SYSTEM_DIR 2363 | PackageParser.PARSE_IS_PRIVILEGED, 2364 scanFlags | SCAN_NO_DEX, 0); 2365 2366 // Collected privileged system packages. 2367 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2368 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2369 | PackageParser.PARSE_IS_SYSTEM 2370 | PackageParser.PARSE_IS_SYSTEM_DIR 2371 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2372 2373 // Collect ordinary system packages. 2374 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2375 scanDirTracedLI(systemAppDir, mDefParseFlags 2376 | PackageParser.PARSE_IS_SYSTEM 2377 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2378 2379 // Collect all vendor packages. 2380 File vendorAppDir = new File("/vendor/app"); 2381 try { 2382 vendorAppDir = vendorAppDir.getCanonicalFile(); 2383 } catch (IOException e) { 2384 // failed to look up canonical path, continue with original one 2385 } 2386 scanDirTracedLI(vendorAppDir, mDefParseFlags 2387 | PackageParser.PARSE_IS_SYSTEM 2388 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2389 2390 // Collect all OEM packages. 2391 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2392 scanDirTracedLI(oemAppDir, mDefParseFlags 2393 | PackageParser.PARSE_IS_SYSTEM 2394 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2395 2396 // Prune any system packages that no longer exist. 2397 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2398 if (!mOnlyCore) { 2399 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2400 while (psit.hasNext()) { 2401 PackageSetting ps = psit.next(); 2402 2403 /* 2404 * If this is not a system app, it can't be a 2405 * disable system app. 2406 */ 2407 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2408 continue; 2409 } 2410 2411 /* 2412 * If the package is scanned, it's not erased. 2413 */ 2414 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2415 if (scannedPkg != null) { 2416 /* 2417 * If the system app is both scanned and in the 2418 * disabled packages list, then it must have been 2419 * added via OTA. Remove it from the currently 2420 * scanned package so the previously user-installed 2421 * application can be scanned. 2422 */ 2423 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2424 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2425 + ps.name + "; removing system app. Last known codePath=" 2426 + ps.codePathString + ", installStatus=" + ps.installStatus 2427 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2428 + scannedPkg.mVersionCode); 2429 removePackageLI(scannedPkg, true); 2430 mExpectingBetter.put(ps.name, ps.codePath); 2431 } 2432 2433 continue; 2434 } 2435 2436 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2437 psit.remove(); 2438 logCriticalInfo(Log.WARN, "System package " + ps.name 2439 + " no longer exists; it's data will be wiped"); 2440 // Actual deletion of code and data will be handled by later 2441 // reconciliation step 2442 } else { 2443 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2444 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2445 possiblyDeletedUpdatedSystemApps.add(ps.name); 2446 } 2447 } 2448 } 2449 } 2450 2451 //look for any incomplete package installations 2452 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2453 for (int i = 0; i < deletePkgsList.size(); i++) { 2454 // Actual deletion of code and data will be handled by later 2455 // reconciliation step 2456 final String packageName = deletePkgsList.get(i).name; 2457 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2458 synchronized (mPackages) { 2459 mSettings.removePackageLPw(packageName); 2460 } 2461 } 2462 2463 //delete tmp files 2464 deleteTempPackageFiles(); 2465 2466 // Remove any shared userIDs that have no associated packages 2467 mSettings.pruneSharedUsersLPw(); 2468 2469 if (!mOnlyCore) { 2470 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2471 SystemClock.uptimeMillis()); 2472 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2473 2474 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2475 | PackageParser.PARSE_FORWARD_LOCK, 2476 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2477 2478 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2479 | PackageParser.PARSE_IS_EPHEMERAL, 2480 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2481 2482 /** 2483 * Remove disable package settings for any updated system 2484 * apps that were removed via an OTA. If they're not a 2485 * previously-updated app, remove them completely. 2486 * Otherwise, just revoke their system-level permissions. 2487 */ 2488 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2489 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2490 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2491 2492 String msg; 2493 if (deletedPkg == null) { 2494 msg = "Updated system package " + deletedAppName 2495 + " no longer exists; it's data will be wiped"; 2496 // Actual deletion of code and data will be handled by later 2497 // reconciliation step 2498 } else { 2499 msg = "Updated system app + " + deletedAppName 2500 + " no longer present; removing system privileges for " 2501 + deletedAppName; 2502 2503 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2504 2505 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2506 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2507 } 2508 logCriticalInfo(Log.WARN, msg); 2509 } 2510 2511 /** 2512 * Make sure all system apps that we expected to appear on 2513 * the userdata partition actually showed up. If they never 2514 * appeared, crawl back and revive the system version. 2515 */ 2516 for (int i = 0; i < mExpectingBetter.size(); i++) { 2517 final String packageName = mExpectingBetter.keyAt(i); 2518 if (!mPackages.containsKey(packageName)) { 2519 final File scanFile = mExpectingBetter.valueAt(i); 2520 2521 logCriticalInfo(Log.WARN, "Expected better " + packageName 2522 + " but never showed up; reverting to system"); 2523 2524 int reparseFlags = mDefParseFlags; 2525 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2526 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2527 | PackageParser.PARSE_IS_SYSTEM_DIR 2528 | PackageParser.PARSE_IS_PRIVILEGED; 2529 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2530 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2531 | PackageParser.PARSE_IS_SYSTEM_DIR; 2532 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2533 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2534 | PackageParser.PARSE_IS_SYSTEM_DIR; 2535 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2536 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2537 | PackageParser.PARSE_IS_SYSTEM_DIR; 2538 } else { 2539 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2540 continue; 2541 } 2542 2543 mSettings.enableSystemPackageLPw(packageName); 2544 2545 try { 2546 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2547 } catch (PackageManagerException e) { 2548 Slog.e(TAG, "Failed to parse original system package: " 2549 + e.getMessage()); 2550 } 2551 } 2552 } 2553 } 2554 mExpectingBetter.clear(); 2555 2556 // Resolve the storage manager. 2557 mStorageManagerPackage = getStorageManagerPackageName(); 2558 2559 // Resolve protected action filters. Only the setup wizard is allowed to 2560 // have a high priority filter for these actions. 2561 mSetupWizardPackage = getSetupWizardPackageName(); 2562 if (mProtectedFilters.size() > 0) { 2563 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2564 Slog.i(TAG, "No setup wizard;" 2565 + " All protected intents capped to priority 0"); 2566 } 2567 for (ActivityIntentInfo filter : mProtectedFilters) { 2568 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2569 if (DEBUG_FILTERS) { 2570 Slog.i(TAG, "Found setup wizard;" 2571 + " allow priority " + filter.getPriority() + ";" 2572 + " package: " + filter.activity.info.packageName 2573 + " activity: " + filter.activity.className 2574 + " priority: " + filter.getPriority()); 2575 } 2576 // skip setup wizard; allow it to keep the high priority filter 2577 continue; 2578 } 2579 Slog.w(TAG, "Protected action; cap priority to 0;" 2580 + " package: " + filter.activity.info.packageName 2581 + " activity: " + filter.activity.className 2582 + " origPrio: " + filter.getPriority()); 2583 filter.setPriority(0); 2584 } 2585 } 2586 mDeferProtectedFilters = false; 2587 mProtectedFilters.clear(); 2588 2589 // Now that we know all of the shared libraries, update all clients to have 2590 // the correct library paths. 2591 updateAllSharedLibrariesLPw(); 2592 2593 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2594 // NOTE: We ignore potential failures here during a system scan (like 2595 // the rest of the commands above) because there's precious little we 2596 // can do about it. A settings error is reported, though. 2597 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2598 } 2599 2600 // Now that we know all the packages we are keeping, 2601 // read and update their last usage times. 2602 mPackageUsage.read(mPackages); 2603 mCompilerStats.read(); 2604 2605 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2606 SystemClock.uptimeMillis()); 2607 Slog.i(TAG, "Time to scan packages: " 2608 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2609 + " seconds"); 2610 2611 // If the platform SDK has changed since the last time we booted, 2612 // we need to re-grant app permission to catch any new ones that 2613 // appear. This is really a hack, and means that apps can in some 2614 // cases get permissions that the user didn't initially explicitly 2615 // allow... it would be nice to have some better way to handle 2616 // this situation. 2617 int updateFlags = UPDATE_PERMISSIONS_ALL; 2618 if (ver.sdkVersion != mSdkVersion) { 2619 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2620 + mSdkVersion + "; regranting permissions for internal storage"); 2621 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2622 } 2623 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2624 ver.sdkVersion = mSdkVersion; 2625 2626 // If this is the first boot or an update from pre-M, and it is a normal 2627 // boot, then we need to initialize the default preferred apps across 2628 // all defined users. 2629 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2630 for (UserInfo user : sUserManager.getUsers(true)) { 2631 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2632 applyFactoryDefaultBrowserLPw(user.id); 2633 primeDomainVerificationsLPw(user.id); 2634 } 2635 } 2636 2637 // Prepare storage for system user really early during boot, 2638 // since core system apps like SettingsProvider and SystemUI 2639 // can't wait for user to start 2640 final int storageFlags; 2641 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2642 storageFlags = StorageManager.FLAG_STORAGE_DE; 2643 } else { 2644 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2645 } 2646 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2647 storageFlags, true /* migrateAppData */); 2648 2649 // If this is first boot after an OTA, and a normal boot, then 2650 // we need to clear code cache directories. 2651 // Note that we do *not* clear the application profiles. These remain valid 2652 // across OTAs and are used to drive profile verification (post OTA) and 2653 // profile compilation (without waiting to collect a fresh set of profiles). 2654 if (mIsUpgrade && !onlyCore) { 2655 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2656 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2657 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2658 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2659 // No apps are running this early, so no need to freeze 2660 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2661 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2662 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2663 } 2664 } 2665 ver.fingerprint = Build.FINGERPRINT; 2666 } 2667 2668 checkDefaultBrowser(); 2669 2670 // clear only after permissions and other defaults have been updated 2671 mExistingSystemPackages.clear(); 2672 mPromoteSystemApps = false; 2673 2674 // All the changes are done during package scanning. 2675 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2676 2677 // can downgrade to reader 2678 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2679 mSettings.writeLPr(); 2680 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2681 2682 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2683 // early on (before the package manager declares itself as early) because other 2684 // components in the system server might ask for package contexts for these apps. 2685 // 2686 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2687 // (i.e, that the data partition is unavailable). 2688 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2689 long start = System.nanoTime(); 2690 List<PackageParser.Package> coreApps = new ArrayList<>(); 2691 for (PackageParser.Package pkg : mPackages.values()) { 2692 if (pkg.coreApp) { 2693 coreApps.add(pkg); 2694 } 2695 } 2696 2697 int[] stats = performDexOptUpgrade(coreApps, false, 2698 getCompilerFilterForReason(REASON_CORE_APP)); 2699 2700 final int elapsedTimeSeconds = 2701 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2702 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2703 2704 if (DEBUG_DEXOPT) { 2705 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2706 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2707 } 2708 2709 2710 // TODO: Should we log these stats to tron too ? 2711 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2712 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2713 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2714 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2715 } 2716 2717 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2718 SystemClock.uptimeMillis()); 2719 2720 if (!mOnlyCore) { 2721 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2722 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2723 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2724 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2725 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2726 mIntentFilterVerifierComponent); 2727 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2728 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2729 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2730 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2731 } else { 2732 mRequiredVerifierPackage = null; 2733 mRequiredInstallerPackage = null; 2734 mRequiredUninstallerPackage = null; 2735 mIntentFilterVerifierComponent = null; 2736 mIntentFilterVerifier = null; 2737 mServicesSystemSharedLibraryPackageName = null; 2738 mSharedSystemSharedLibraryPackageName = null; 2739 } 2740 2741 mInstallerService = new PackageInstallerService(context, this); 2742 2743 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2744 if (ephemeralResolverComponent != null) { 2745 if (DEBUG_EPHEMERAL) { 2746 Slog.i(TAG, "Ephemeral resolver: " + ephemeralResolverComponent); 2747 } 2748 mEphemeralResolverConnection = 2749 new EphemeralResolverConnection(mContext, ephemeralResolverComponent); 2750 } else { 2751 mEphemeralResolverConnection = null; 2752 } 2753 mEphemeralInstallerComponent = getEphemeralInstallerLPr(); 2754 if (mEphemeralInstallerComponent != null) { 2755 if (DEBUG_EPHEMERAL) { 2756 Slog.i(TAG, "Ephemeral installer: " + mEphemeralInstallerComponent); 2757 } 2758 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2759 } 2760 2761 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2762 } // synchronized (mPackages) 2763 } // synchronized (mInstallLock) 2764 2765 // Now after opening every single application zip, make sure they 2766 // are all flushed. Not really needed, but keeps things nice and 2767 // tidy. 2768 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2769 Runtime.getRuntime().gc(); 2770 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2771 2772 // The initial scanning above does many calls into installd while 2773 // holding the mPackages lock, but we're mostly interested in yelling 2774 // once we have a booted system. 2775 mInstaller.setWarnIfHeld(mPackages); 2776 2777 // Expose private service for system components to use. 2778 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2779 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2780 } 2781 2782 @Override 2783 public boolean isFirstBoot() { 2784 return mFirstBoot; 2785 } 2786 2787 @Override 2788 public boolean isOnlyCoreApps() { 2789 return mOnlyCore; 2790 } 2791 2792 @Override 2793 public boolean isUpgrade() { 2794 return mIsUpgrade; 2795 } 2796 2797 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2798 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2799 2800 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2801 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2802 UserHandle.USER_SYSTEM); 2803 if (matches.size() == 1) { 2804 return matches.get(0).getComponentInfo().packageName; 2805 } else if (matches.size() == 0) { 2806 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2807 return null; 2808 } 2809 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2810 } 2811 2812 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2813 synchronized (mPackages) { 2814 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2815 if (libraryEntry == null) { 2816 throw new IllegalStateException("Missing required shared library:" + libraryName); 2817 } 2818 return libraryEntry.apk; 2819 } 2820 } 2821 2822 private @NonNull String getRequiredInstallerLPr() { 2823 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2824 intent.addCategory(Intent.CATEGORY_DEFAULT); 2825 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2826 2827 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2828 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2829 UserHandle.USER_SYSTEM); 2830 if (matches.size() == 1) { 2831 ResolveInfo resolveInfo = matches.get(0); 2832 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2833 throw new RuntimeException("The installer must be a privileged app"); 2834 } 2835 return matches.get(0).getComponentInfo().packageName; 2836 } else { 2837 throw new RuntimeException("There must be exactly one installer; found " + matches); 2838 } 2839 } 2840 2841 private @NonNull String getRequiredUninstallerLPr() { 2842 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2843 intent.addCategory(Intent.CATEGORY_DEFAULT); 2844 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2845 2846 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2847 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2848 UserHandle.USER_SYSTEM); 2849 if (resolveInfo == null || 2850 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2851 throw new RuntimeException("There must be exactly one uninstaller; found " 2852 + resolveInfo); 2853 } 2854 return resolveInfo.getComponentInfo().packageName; 2855 } 2856 2857 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2858 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2859 2860 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2861 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2862 UserHandle.USER_SYSTEM); 2863 ResolveInfo best = null; 2864 final int N = matches.size(); 2865 for (int i = 0; i < N; i++) { 2866 final ResolveInfo cur = matches.get(i); 2867 final String packageName = cur.getComponentInfo().packageName; 2868 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2869 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2870 continue; 2871 } 2872 2873 if (best == null || cur.priority > best.priority) { 2874 best = cur; 2875 } 2876 } 2877 2878 if (best != null) { 2879 return best.getComponentInfo().getComponentName(); 2880 } else { 2881 throw new RuntimeException("There must be at least one intent filter verifier"); 2882 } 2883 } 2884 2885 private @Nullable ComponentName getEphemeralResolverLPr() { 2886 final String[] packageArray = 2887 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2888 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2889 if (DEBUG_EPHEMERAL) { 2890 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2891 } 2892 return null; 2893 } 2894 2895 final int resolveFlags = 2896 MATCH_DIRECT_BOOT_AWARE 2897 | MATCH_DIRECT_BOOT_UNAWARE 2898 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2899 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2900 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2901 resolveFlags, UserHandle.USER_SYSTEM); 2902 2903 final int N = resolvers.size(); 2904 if (N == 0) { 2905 if (DEBUG_EPHEMERAL) { 2906 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2907 } 2908 return null; 2909 } 2910 2911 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2912 for (int i = 0; i < N; i++) { 2913 final ResolveInfo info = resolvers.get(i); 2914 2915 if (info.serviceInfo == null) { 2916 continue; 2917 } 2918 2919 final String packageName = info.serviceInfo.packageName; 2920 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2921 if (DEBUG_EPHEMERAL) { 2922 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2923 + " pkg: " + packageName + ", info:" + info); 2924 } 2925 continue; 2926 } 2927 2928 if (DEBUG_EPHEMERAL) { 2929 Slog.v(TAG, "Ephemeral resolver found;" 2930 + " pkg: " + packageName + ", info:" + info); 2931 } 2932 return new ComponentName(packageName, info.serviceInfo.name); 2933 } 2934 if (DEBUG_EPHEMERAL) { 2935 Slog.v(TAG, "Ephemeral resolver NOT found"); 2936 } 2937 return null; 2938 } 2939 2940 private @Nullable ComponentName getEphemeralInstallerLPr() { 2941 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2942 intent.addCategory(Intent.CATEGORY_DEFAULT); 2943 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2944 2945 final int resolveFlags = 2946 MATCH_DIRECT_BOOT_AWARE 2947 | MATCH_DIRECT_BOOT_UNAWARE 2948 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2949 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2950 resolveFlags, UserHandle.USER_SYSTEM); 2951 Iterator<ResolveInfo> iter = matches.iterator(); 2952 while (iter.hasNext()) { 2953 final ResolveInfo rInfo = iter.next(); 2954 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 2955 if (ps != null) { 2956 final PermissionsState permissionsState = ps.getPermissionsState(); 2957 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 2958 continue; 2959 } 2960 } 2961 iter.remove(); 2962 } 2963 if (matches.size() == 0) { 2964 return null; 2965 } else if (matches.size() == 1) { 2966 return matches.get(0).getComponentInfo().getComponentName(); 2967 } else { 2968 throw new RuntimeException( 2969 "There must be at most one ephemeral installer; found " + matches); 2970 } 2971 } 2972 2973 private void primeDomainVerificationsLPw(int userId) { 2974 if (DEBUG_DOMAIN_VERIFICATION) { 2975 Slog.d(TAG, "Priming domain verifications in user " + userId); 2976 } 2977 2978 SystemConfig systemConfig = SystemConfig.getInstance(); 2979 ArraySet<String> packages = systemConfig.getLinkedApps(); 2980 2981 for (String packageName : packages) { 2982 PackageParser.Package pkg = mPackages.get(packageName); 2983 if (pkg != null) { 2984 if (!pkg.isSystemApp()) { 2985 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2986 continue; 2987 } 2988 2989 ArraySet<String> domains = null; 2990 for (PackageParser.Activity a : pkg.activities) { 2991 for (ActivityIntentInfo filter : a.intents) { 2992 if (hasValidDomains(filter)) { 2993 if (domains == null) { 2994 domains = new ArraySet<String>(); 2995 } 2996 domains.addAll(filter.getHostsList()); 2997 } 2998 } 2999 } 3000 3001 if (domains != null && domains.size() > 0) { 3002 if (DEBUG_DOMAIN_VERIFICATION) { 3003 Slog.v(TAG, " + " + packageName); 3004 } 3005 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3006 // state w.r.t. the formal app-linkage "no verification attempted" state; 3007 // and then 'always' in the per-user state actually used for intent resolution. 3008 final IntentFilterVerificationInfo ivi; 3009 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3010 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3011 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3012 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3013 } else { 3014 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3015 + "' does not handle web links"); 3016 } 3017 } else { 3018 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3019 } 3020 } 3021 3022 scheduleWritePackageRestrictionsLocked(userId); 3023 scheduleWriteSettingsLocked(); 3024 } 3025 3026 private void applyFactoryDefaultBrowserLPw(int userId) { 3027 // The default browser app's package name is stored in a string resource, 3028 // with a product-specific overlay used for vendor customization. 3029 String browserPkg = mContext.getResources().getString( 3030 com.android.internal.R.string.default_browser); 3031 if (!TextUtils.isEmpty(browserPkg)) { 3032 // non-empty string => required to be a known package 3033 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3034 if (ps == null) { 3035 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3036 browserPkg = null; 3037 } else { 3038 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3039 } 3040 } 3041 3042 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3043 // default. If there's more than one, just leave everything alone. 3044 if (browserPkg == null) { 3045 calculateDefaultBrowserLPw(userId); 3046 } 3047 } 3048 3049 private void calculateDefaultBrowserLPw(int userId) { 3050 List<String> allBrowsers = resolveAllBrowserApps(userId); 3051 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3052 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3053 } 3054 3055 private List<String> resolveAllBrowserApps(int userId) { 3056 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3057 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3058 PackageManager.MATCH_ALL, userId); 3059 3060 final int count = list.size(); 3061 List<String> result = new ArrayList<String>(count); 3062 for (int i=0; i<count; i++) { 3063 ResolveInfo info = list.get(i); 3064 if (info.activityInfo == null 3065 || !info.handleAllWebDataURI 3066 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3067 || result.contains(info.activityInfo.packageName)) { 3068 continue; 3069 } 3070 result.add(info.activityInfo.packageName); 3071 } 3072 3073 return result; 3074 } 3075 3076 private boolean packageIsBrowser(String packageName, int userId) { 3077 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3078 PackageManager.MATCH_ALL, userId); 3079 final int N = list.size(); 3080 for (int i = 0; i < N; i++) { 3081 ResolveInfo info = list.get(i); 3082 if (packageName.equals(info.activityInfo.packageName)) { 3083 return true; 3084 } 3085 } 3086 return false; 3087 } 3088 3089 private void checkDefaultBrowser() { 3090 final int myUserId = UserHandle.myUserId(); 3091 final String packageName = getDefaultBrowserPackageName(myUserId); 3092 if (packageName != null) { 3093 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3094 if (info == null) { 3095 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3096 synchronized (mPackages) { 3097 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3098 } 3099 } 3100 } 3101 } 3102 3103 @Override 3104 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3105 throws RemoteException { 3106 try { 3107 return super.onTransact(code, data, reply, flags); 3108 } catch (RuntimeException e) { 3109 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3110 Slog.wtf(TAG, "Package Manager Crash", e); 3111 } 3112 throw e; 3113 } 3114 } 3115 3116 static int[] appendInts(int[] cur, int[] add) { 3117 if (add == null) return cur; 3118 if (cur == null) return add; 3119 final int N = add.length; 3120 for (int i=0; i<N; i++) { 3121 cur = appendInt(cur, add[i]); 3122 } 3123 return cur; 3124 } 3125 3126 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3127 if (!sUserManager.exists(userId)) return null; 3128 if (ps == null) { 3129 return null; 3130 } 3131 final PackageParser.Package p = ps.pkg; 3132 if (p == null) { 3133 return null; 3134 } 3135 3136 final PermissionsState permissionsState = ps.getPermissionsState(); 3137 3138 // Compute GIDs only if requested 3139 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3140 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3141 // Compute granted permissions only if package has requested permissions 3142 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3143 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3144 final PackageUserState state = ps.readUserState(userId); 3145 3146 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3147 && ps.isSystem()) { 3148 flags |= MATCH_ANY_USER; 3149 } 3150 3151 return PackageParser.generatePackageInfo(p, gids, flags, 3152 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3153 } 3154 3155 @Override 3156 public void checkPackageStartable(String packageName, int userId) { 3157 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3158 3159 synchronized (mPackages) { 3160 final PackageSetting ps = mSettings.mPackages.get(packageName); 3161 if (ps == null) { 3162 throw new SecurityException("Package " + packageName + " was not found!"); 3163 } 3164 3165 if (!ps.getInstalled(userId)) { 3166 throw new SecurityException( 3167 "Package " + packageName + " was not installed for user " + userId + "!"); 3168 } 3169 3170 if (mSafeMode && !ps.isSystem()) { 3171 throw new SecurityException("Package " + packageName + " not a system app!"); 3172 } 3173 3174 if (mFrozenPackages.contains(packageName)) { 3175 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3176 } 3177 3178 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3179 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3180 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3181 } 3182 } 3183 } 3184 3185 @Override 3186 public boolean isPackageAvailable(String packageName, int userId) { 3187 if (!sUserManager.exists(userId)) return false; 3188 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3189 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3190 synchronized (mPackages) { 3191 PackageParser.Package p = mPackages.get(packageName); 3192 if (p != null) { 3193 final PackageSetting ps = (PackageSetting) p.mExtras; 3194 if (ps != null) { 3195 final PackageUserState state = ps.readUserState(userId); 3196 if (state != null) { 3197 return PackageParser.isAvailable(state); 3198 } 3199 } 3200 } 3201 } 3202 return false; 3203 } 3204 3205 @Override 3206 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3207 if (!sUserManager.exists(userId)) return null; 3208 flags = updateFlagsForPackage(flags, userId, packageName); 3209 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3210 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3211 // reader 3212 synchronized (mPackages) { 3213 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3214 PackageParser.Package p = null; 3215 if (matchFactoryOnly) { 3216 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3217 if (ps != null) { 3218 return generatePackageInfo(ps, flags, userId); 3219 } 3220 } 3221 if (p == null) { 3222 p = mPackages.get(packageName); 3223 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3224 return null; 3225 } 3226 } 3227 if (DEBUG_PACKAGE_INFO) 3228 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3229 if (p != null) { 3230 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3231 } 3232 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3233 final PackageSetting ps = mSettings.mPackages.get(packageName); 3234 return generatePackageInfo(ps, flags, userId); 3235 } 3236 } 3237 return null; 3238 } 3239 3240 @Override 3241 public String[] currentToCanonicalPackageNames(String[] names) { 3242 String[] out = new String[names.length]; 3243 // reader 3244 synchronized (mPackages) { 3245 for (int i=names.length-1; i>=0; i--) { 3246 PackageSetting ps = mSettings.mPackages.get(names[i]); 3247 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3248 } 3249 } 3250 return out; 3251 } 3252 3253 @Override 3254 public String[] canonicalToCurrentPackageNames(String[] names) { 3255 String[] out = new String[names.length]; 3256 // reader 3257 synchronized (mPackages) { 3258 for (int i=names.length-1; i>=0; i--) { 3259 String cur = mSettings.getRenamedPackageLPr(names[i]); 3260 out[i] = cur != null ? cur : names[i]; 3261 } 3262 } 3263 return out; 3264 } 3265 3266 @Override 3267 public int getPackageUid(String packageName, int flags, int userId) { 3268 if (!sUserManager.exists(userId)) return -1; 3269 flags = updateFlagsForPackage(flags, userId, packageName); 3270 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3271 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3272 3273 // reader 3274 synchronized (mPackages) { 3275 final PackageParser.Package p = mPackages.get(packageName); 3276 if (p != null && p.isMatch(flags)) { 3277 return UserHandle.getUid(userId, p.applicationInfo.uid); 3278 } 3279 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3280 final PackageSetting ps = mSettings.mPackages.get(packageName); 3281 if (ps != null && ps.isMatch(flags)) { 3282 return UserHandle.getUid(userId, ps.appId); 3283 } 3284 } 3285 } 3286 3287 return -1; 3288 } 3289 3290 @Override 3291 public int[] getPackageGids(String packageName, int flags, int userId) { 3292 if (!sUserManager.exists(userId)) return null; 3293 flags = updateFlagsForPackage(flags, userId, packageName); 3294 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3295 false /* requireFullPermission */, false /* checkShell */, 3296 "getPackageGids"); 3297 3298 // reader 3299 synchronized (mPackages) { 3300 final PackageParser.Package p = mPackages.get(packageName); 3301 if (p != null && p.isMatch(flags)) { 3302 PackageSetting ps = (PackageSetting) p.mExtras; 3303 // TODO: Shouldn't this be checking for package installed state for userId and 3304 // return null? 3305 return ps.getPermissionsState().computeGids(userId); 3306 } 3307 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3308 final PackageSetting ps = mSettings.mPackages.get(packageName); 3309 if (ps != null && ps.isMatch(flags)) { 3310 return ps.getPermissionsState().computeGids(userId); 3311 } 3312 } 3313 } 3314 3315 return null; 3316 } 3317 3318 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3319 if (bp.perm != null) { 3320 return PackageParser.generatePermissionInfo(bp.perm, flags); 3321 } 3322 PermissionInfo pi = new PermissionInfo(); 3323 pi.name = bp.name; 3324 pi.packageName = bp.sourcePackage; 3325 pi.nonLocalizedLabel = bp.name; 3326 pi.protectionLevel = bp.protectionLevel; 3327 return pi; 3328 } 3329 3330 @Override 3331 public PermissionInfo getPermissionInfo(String name, int flags) { 3332 // reader 3333 synchronized (mPackages) { 3334 final BasePermission p = mSettings.mPermissions.get(name); 3335 if (p != null) { 3336 return generatePermissionInfo(p, flags); 3337 } 3338 return null; 3339 } 3340 } 3341 3342 @Override 3343 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3344 int flags) { 3345 // reader 3346 synchronized (mPackages) { 3347 if (group != null && !mPermissionGroups.containsKey(group)) { 3348 // This is thrown as NameNotFoundException 3349 return null; 3350 } 3351 3352 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3353 for (BasePermission p : mSettings.mPermissions.values()) { 3354 if (group == null) { 3355 if (p.perm == null || p.perm.info.group == null) { 3356 out.add(generatePermissionInfo(p, flags)); 3357 } 3358 } else { 3359 if (p.perm != null && group.equals(p.perm.info.group)) { 3360 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3361 } 3362 } 3363 } 3364 return new ParceledListSlice<>(out); 3365 } 3366 } 3367 3368 @Override 3369 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3370 // reader 3371 synchronized (mPackages) { 3372 return PackageParser.generatePermissionGroupInfo( 3373 mPermissionGroups.get(name), flags); 3374 } 3375 } 3376 3377 @Override 3378 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3379 // reader 3380 synchronized (mPackages) { 3381 final int N = mPermissionGroups.size(); 3382 ArrayList<PermissionGroupInfo> out 3383 = new ArrayList<PermissionGroupInfo>(N); 3384 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3385 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3386 } 3387 return new ParceledListSlice<>(out); 3388 } 3389 } 3390 3391 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3392 int userId) { 3393 if (!sUserManager.exists(userId)) return null; 3394 PackageSetting ps = mSettings.mPackages.get(packageName); 3395 if (ps != null) { 3396 if (ps.pkg == null) { 3397 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3398 if (pInfo != null) { 3399 return pInfo.applicationInfo; 3400 } 3401 return null; 3402 } 3403 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3404 ps.readUserState(userId), userId); 3405 } 3406 return null; 3407 } 3408 3409 @Override 3410 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3411 if (!sUserManager.exists(userId)) return null; 3412 flags = updateFlagsForApplication(flags, userId, packageName); 3413 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3414 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3415 // writer 3416 synchronized (mPackages) { 3417 PackageParser.Package p = mPackages.get(packageName); 3418 if (DEBUG_PACKAGE_INFO) Log.v( 3419 TAG, "getApplicationInfo " + packageName 3420 + ": " + p); 3421 if (p != null) { 3422 PackageSetting ps = mSettings.mPackages.get(packageName); 3423 if (ps == null) return null; 3424 // Note: isEnabledLP() does not apply here - always return info 3425 return PackageParser.generateApplicationInfo( 3426 p, flags, ps.readUserState(userId), userId); 3427 } 3428 if ("android".equals(packageName)||"system".equals(packageName)) { 3429 return mAndroidApplication; 3430 } 3431 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3432 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3433 } 3434 } 3435 return null; 3436 } 3437 3438 @Override 3439 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3440 final IPackageDataObserver observer) { 3441 mContext.enforceCallingOrSelfPermission( 3442 android.Manifest.permission.CLEAR_APP_CACHE, null); 3443 // Queue up an async operation since clearing cache may take a little while. 3444 mHandler.post(new Runnable() { 3445 public void run() { 3446 mHandler.removeCallbacks(this); 3447 boolean success = true; 3448 synchronized (mInstallLock) { 3449 try { 3450 mInstaller.freeCache(volumeUuid, freeStorageSize); 3451 } catch (InstallerException e) { 3452 Slog.w(TAG, "Couldn't clear application caches: " + e); 3453 success = false; 3454 } 3455 } 3456 if (observer != null) { 3457 try { 3458 observer.onRemoveCompleted(null, success); 3459 } catch (RemoteException e) { 3460 Slog.w(TAG, "RemoveException when invoking call back"); 3461 } 3462 } 3463 } 3464 }); 3465 } 3466 3467 @Override 3468 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3469 final IntentSender pi) { 3470 mContext.enforceCallingOrSelfPermission( 3471 android.Manifest.permission.CLEAR_APP_CACHE, null); 3472 // Queue up an async operation since clearing cache may take a little while. 3473 mHandler.post(new Runnable() { 3474 public void run() { 3475 mHandler.removeCallbacks(this); 3476 boolean success = true; 3477 synchronized (mInstallLock) { 3478 try { 3479 mInstaller.freeCache(volumeUuid, freeStorageSize); 3480 } catch (InstallerException e) { 3481 Slog.w(TAG, "Couldn't clear application caches: " + e); 3482 success = false; 3483 } 3484 } 3485 if(pi != null) { 3486 try { 3487 // Callback via pending intent 3488 int code = success ? 1 : 0; 3489 pi.sendIntent(null, code, null, 3490 null, null); 3491 } catch (SendIntentException e1) { 3492 Slog.i(TAG, "Failed to send pending intent"); 3493 } 3494 } 3495 } 3496 }); 3497 } 3498 3499 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3500 synchronized (mInstallLock) { 3501 try { 3502 mInstaller.freeCache(volumeUuid, freeStorageSize); 3503 } catch (InstallerException e) { 3504 throw new IOException("Failed to free enough space", e); 3505 } 3506 } 3507 } 3508 3509 /** 3510 * Update given flags based on encryption status of current user. 3511 */ 3512 private int updateFlags(int flags, int userId) { 3513 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3514 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3515 // Caller expressed an explicit opinion about what encryption 3516 // aware/unaware components they want to see, so fall through and 3517 // give them what they want 3518 } else { 3519 // Caller expressed no opinion, so match based on user state 3520 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3521 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3522 } else { 3523 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3524 } 3525 } 3526 return flags; 3527 } 3528 3529 private UserManagerInternal getUserManagerInternal() { 3530 if (mUserManagerInternal == null) { 3531 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3532 } 3533 return mUserManagerInternal; 3534 } 3535 3536 /** 3537 * Update given flags when being used to request {@link PackageInfo}. 3538 */ 3539 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3540 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3541 boolean triaged = true; 3542 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3543 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3544 // Caller is asking for component details, so they'd better be 3545 // asking for specific encryption matching behavior, or be triaged 3546 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3547 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3548 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3549 triaged = false; 3550 } 3551 } 3552 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3553 | PackageManager.MATCH_SYSTEM_ONLY 3554 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3555 triaged = false; 3556 } 3557 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3558 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3559 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 3560 + Debug.getCallers(5)); 3561 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 3562 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 3563 // If the caller wants all packages and has a restricted profile associated with it, 3564 // then match all users. This is to make sure that launchers that need to access work 3565 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 3566 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 3567 flags |= PackageManager.MATCH_ANY_USER; 3568 } 3569 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3570 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3571 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3572 } 3573 return updateFlags(flags, userId); 3574 } 3575 3576 /** 3577 * Update given flags when being used to request {@link ApplicationInfo}. 3578 */ 3579 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3580 return updateFlagsForPackage(flags, userId, cookie); 3581 } 3582 3583 /** 3584 * Update given flags when being used to request {@link ComponentInfo}. 3585 */ 3586 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3587 if (cookie instanceof Intent) { 3588 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3589 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3590 } 3591 } 3592 3593 boolean triaged = true; 3594 // Caller is asking for component details, so they'd better be 3595 // asking for specific encryption matching behavior, or be triaged 3596 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3597 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3598 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3599 triaged = false; 3600 } 3601 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3602 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3603 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3604 } 3605 3606 return updateFlags(flags, userId); 3607 } 3608 3609 /** 3610 * Update given flags when being used to request {@link ResolveInfo}. 3611 */ 3612 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3613 // Safe mode means we shouldn't match any third-party components 3614 if (mSafeMode) { 3615 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3616 } 3617 3618 return updateFlagsForComponent(flags, userId, cookie); 3619 } 3620 3621 @Override 3622 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3623 if (!sUserManager.exists(userId)) return null; 3624 flags = updateFlagsForComponent(flags, userId, component); 3625 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3626 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3627 synchronized (mPackages) { 3628 PackageParser.Activity a = mActivities.mActivities.get(component); 3629 3630 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3631 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3632 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3633 if (ps == null) return null; 3634 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3635 userId); 3636 } 3637 if (mResolveComponentName.equals(component)) { 3638 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3639 new PackageUserState(), userId); 3640 } 3641 } 3642 return null; 3643 } 3644 3645 @Override 3646 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3647 String resolvedType) { 3648 synchronized (mPackages) { 3649 if (component.equals(mResolveComponentName)) { 3650 // The resolver supports EVERYTHING! 3651 return true; 3652 } 3653 PackageParser.Activity a = mActivities.mActivities.get(component); 3654 if (a == null) { 3655 return false; 3656 } 3657 for (int i=0; i<a.intents.size(); i++) { 3658 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3659 intent.getData(), intent.getCategories(), TAG) >= 0) { 3660 return true; 3661 } 3662 } 3663 return false; 3664 } 3665 } 3666 3667 @Override 3668 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3669 if (!sUserManager.exists(userId)) return null; 3670 flags = updateFlagsForComponent(flags, userId, component); 3671 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3672 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3673 synchronized (mPackages) { 3674 PackageParser.Activity a = mReceivers.mActivities.get(component); 3675 if (DEBUG_PACKAGE_INFO) Log.v( 3676 TAG, "getReceiverInfo " + component + ": " + a); 3677 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3678 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3679 if (ps == null) return null; 3680 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3681 userId); 3682 } 3683 } 3684 return null; 3685 } 3686 3687 @Override 3688 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3689 if (!sUserManager.exists(userId)) return null; 3690 flags = updateFlagsForComponent(flags, userId, component); 3691 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3692 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3693 synchronized (mPackages) { 3694 PackageParser.Service s = mServices.mServices.get(component); 3695 if (DEBUG_PACKAGE_INFO) Log.v( 3696 TAG, "getServiceInfo " + component + ": " + s); 3697 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3698 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3699 if (ps == null) return null; 3700 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3701 userId); 3702 } 3703 } 3704 return null; 3705 } 3706 3707 @Override 3708 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3709 if (!sUserManager.exists(userId)) return null; 3710 flags = updateFlagsForComponent(flags, userId, component); 3711 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3712 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3713 synchronized (mPackages) { 3714 PackageParser.Provider p = mProviders.mProviders.get(component); 3715 if (DEBUG_PACKAGE_INFO) Log.v( 3716 TAG, "getProviderInfo " + component + ": " + p); 3717 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3718 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3719 if (ps == null) return null; 3720 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3721 userId); 3722 } 3723 } 3724 return null; 3725 } 3726 3727 @Override 3728 public String[] getSystemSharedLibraryNames() { 3729 Set<String> libSet; 3730 synchronized (mPackages) { 3731 libSet = mSharedLibraries.keySet(); 3732 int size = libSet.size(); 3733 if (size > 0) { 3734 String[] libs = new String[size]; 3735 libSet.toArray(libs); 3736 return libs; 3737 } 3738 } 3739 return null; 3740 } 3741 3742 @Override 3743 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3744 synchronized (mPackages) { 3745 return mServicesSystemSharedLibraryPackageName; 3746 } 3747 } 3748 3749 @Override 3750 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3751 synchronized (mPackages) { 3752 return mSharedSystemSharedLibraryPackageName; 3753 } 3754 } 3755 3756 @Override 3757 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3758 synchronized (mPackages) { 3759 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3760 3761 final FeatureInfo fi = new FeatureInfo(); 3762 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3763 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3764 res.add(fi); 3765 3766 return new ParceledListSlice<>(res); 3767 } 3768 } 3769 3770 @Override 3771 public boolean hasSystemFeature(String name, int version) { 3772 synchronized (mPackages) { 3773 final FeatureInfo feat = mAvailableFeatures.get(name); 3774 if (feat == null) { 3775 return false; 3776 } else { 3777 return feat.version >= version; 3778 } 3779 } 3780 } 3781 3782 @Override 3783 public int checkPermission(String permName, String pkgName, int userId) { 3784 if (!sUserManager.exists(userId)) { 3785 return PackageManager.PERMISSION_DENIED; 3786 } 3787 3788 synchronized (mPackages) { 3789 final PackageParser.Package p = mPackages.get(pkgName); 3790 if (p != null && p.mExtras != null) { 3791 final PackageSetting ps = (PackageSetting) p.mExtras; 3792 final PermissionsState permissionsState = ps.getPermissionsState(); 3793 if (permissionsState.hasPermission(permName, userId)) { 3794 return PackageManager.PERMISSION_GRANTED; 3795 } 3796 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3797 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3798 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3799 return PackageManager.PERMISSION_GRANTED; 3800 } 3801 } 3802 } 3803 3804 return PackageManager.PERMISSION_DENIED; 3805 } 3806 3807 @Override 3808 public int checkUidPermission(String permName, int uid) { 3809 final int userId = UserHandle.getUserId(uid); 3810 3811 if (!sUserManager.exists(userId)) { 3812 return PackageManager.PERMISSION_DENIED; 3813 } 3814 3815 synchronized (mPackages) { 3816 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3817 if (obj != null) { 3818 final SettingBase ps = (SettingBase) obj; 3819 final PermissionsState permissionsState = ps.getPermissionsState(); 3820 if (permissionsState.hasPermission(permName, userId)) { 3821 return PackageManager.PERMISSION_GRANTED; 3822 } 3823 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3824 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3825 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3826 return PackageManager.PERMISSION_GRANTED; 3827 } 3828 } else { 3829 ArraySet<String> perms = mSystemPermissions.get(uid); 3830 if (perms != null) { 3831 if (perms.contains(permName)) { 3832 return PackageManager.PERMISSION_GRANTED; 3833 } 3834 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3835 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3836 return PackageManager.PERMISSION_GRANTED; 3837 } 3838 } 3839 } 3840 } 3841 3842 return PackageManager.PERMISSION_DENIED; 3843 } 3844 3845 @Override 3846 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3847 if (UserHandle.getCallingUserId() != userId) { 3848 mContext.enforceCallingPermission( 3849 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3850 "isPermissionRevokedByPolicy for user " + userId); 3851 } 3852 3853 if (checkPermission(permission, packageName, userId) 3854 == PackageManager.PERMISSION_GRANTED) { 3855 return false; 3856 } 3857 3858 final long identity = Binder.clearCallingIdentity(); 3859 try { 3860 final int flags = getPermissionFlags(permission, packageName, userId); 3861 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3862 } finally { 3863 Binder.restoreCallingIdentity(identity); 3864 } 3865 } 3866 3867 @Override 3868 public String getPermissionControllerPackageName() { 3869 synchronized (mPackages) { 3870 return mRequiredInstallerPackage; 3871 } 3872 } 3873 3874 /** 3875 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3876 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3877 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3878 * @param message the message to log on security exception 3879 */ 3880 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3881 boolean checkShell, String message) { 3882 if (userId < 0) { 3883 throw new IllegalArgumentException("Invalid userId " + userId); 3884 } 3885 if (checkShell) { 3886 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3887 } 3888 if (userId == UserHandle.getUserId(callingUid)) return; 3889 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3890 if (requireFullPermission) { 3891 mContext.enforceCallingOrSelfPermission( 3892 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3893 } else { 3894 try { 3895 mContext.enforceCallingOrSelfPermission( 3896 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3897 } catch (SecurityException se) { 3898 mContext.enforceCallingOrSelfPermission( 3899 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3900 } 3901 } 3902 } 3903 } 3904 3905 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3906 if (callingUid == Process.SHELL_UID) { 3907 if (userHandle >= 0 3908 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3909 throw new SecurityException("Shell does not have permission to access user " 3910 + userHandle); 3911 } else if (userHandle < 0) { 3912 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3913 + Debug.getCallers(3)); 3914 } 3915 } 3916 } 3917 3918 private BasePermission findPermissionTreeLP(String permName) { 3919 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3920 if (permName.startsWith(bp.name) && 3921 permName.length() > bp.name.length() && 3922 permName.charAt(bp.name.length()) == '.') { 3923 return bp; 3924 } 3925 } 3926 return null; 3927 } 3928 3929 private BasePermission checkPermissionTreeLP(String permName) { 3930 if (permName != null) { 3931 BasePermission bp = findPermissionTreeLP(permName); 3932 if (bp != null) { 3933 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3934 return bp; 3935 } 3936 throw new SecurityException("Calling uid " 3937 + Binder.getCallingUid() 3938 + " is not allowed to add to permission tree " 3939 + bp.name + " owned by uid " + bp.uid); 3940 } 3941 } 3942 throw new SecurityException("No permission tree found for " + permName); 3943 } 3944 3945 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3946 if (s1 == null) { 3947 return s2 == null; 3948 } 3949 if (s2 == null) { 3950 return false; 3951 } 3952 if (s1.getClass() != s2.getClass()) { 3953 return false; 3954 } 3955 return s1.equals(s2); 3956 } 3957 3958 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3959 if (pi1.icon != pi2.icon) return false; 3960 if (pi1.logo != pi2.logo) return false; 3961 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3962 if (!compareStrings(pi1.name, pi2.name)) return false; 3963 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3964 // We'll take care of setting this one. 3965 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3966 // These are not currently stored in settings. 3967 //if (!compareStrings(pi1.group, pi2.group)) return false; 3968 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3969 //if (pi1.labelRes != pi2.labelRes) return false; 3970 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3971 return true; 3972 } 3973 3974 int permissionInfoFootprint(PermissionInfo info) { 3975 int size = info.name.length(); 3976 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3977 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3978 return size; 3979 } 3980 3981 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3982 int size = 0; 3983 for (BasePermission perm : mSettings.mPermissions.values()) { 3984 if (perm.uid == tree.uid) { 3985 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3986 } 3987 } 3988 return size; 3989 } 3990 3991 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3992 // We calculate the max size of permissions defined by this uid and throw 3993 // if that plus the size of 'info' would exceed our stated maximum. 3994 if (tree.uid != Process.SYSTEM_UID) { 3995 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3996 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3997 throw new SecurityException("Permission tree size cap exceeded"); 3998 } 3999 } 4000 } 4001 4002 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4003 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4004 throw new SecurityException("Label must be specified in permission"); 4005 } 4006 BasePermission tree = checkPermissionTreeLP(info.name); 4007 BasePermission bp = mSettings.mPermissions.get(info.name); 4008 boolean added = bp == null; 4009 boolean changed = true; 4010 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4011 if (added) { 4012 enforcePermissionCapLocked(info, tree); 4013 bp = new BasePermission(info.name, tree.sourcePackage, 4014 BasePermission.TYPE_DYNAMIC); 4015 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4016 throw new SecurityException( 4017 "Not allowed to modify non-dynamic permission " 4018 + info.name); 4019 } else { 4020 if (bp.protectionLevel == fixedLevel 4021 && bp.perm.owner.equals(tree.perm.owner) 4022 && bp.uid == tree.uid 4023 && comparePermissionInfos(bp.perm.info, info)) { 4024 changed = false; 4025 } 4026 } 4027 bp.protectionLevel = fixedLevel; 4028 info = new PermissionInfo(info); 4029 info.protectionLevel = fixedLevel; 4030 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4031 bp.perm.info.packageName = tree.perm.info.packageName; 4032 bp.uid = tree.uid; 4033 if (added) { 4034 mSettings.mPermissions.put(info.name, bp); 4035 } 4036 if (changed) { 4037 if (!async) { 4038 mSettings.writeLPr(); 4039 } else { 4040 scheduleWriteSettingsLocked(); 4041 } 4042 } 4043 return added; 4044 } 4045 4046 @Override 4047 public boolean addPermission(PermissionInfo info) { 4048 synchronized (mPackages) { 4049 return addPermissionLocked(info, false); 4050 } 4051 } 4052 4053 @Override 4054 public boolean addPermissionAsync(PermissionInfo info) { 4055 synchronized (mPackages) { 4056 return addPermissionLocked(info, true); 4057 } 4058 } 4059 4060 @Override 4061 public void removePermission(String name) { 4062 synchronized (mPackages) { 4063 checkPermissionTreeLP(name); 4064 BasePermission bp = mSettings.mPermissions.get(name); 4065 if (bp != null) { 4066 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4067 throw new SecurityException( 4068 "Not allowed to modify non-dynamic permission " 4069 + name); 4070 } 4071 mSettings.mPermissions.remove(name); 4072 mSettings.writeLPr(); 4073 } 4074 } 4075 } 4076 4077 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4078 BasePermission bp) { 4079 int index = pkg.requestedPermissions.indexOf(bp.name); 4080 if (index == -1) { 4081 throw new SecurityException("Package " + pkg.packageName 4082 + " has not requested permission " + bp.name); 4083 } 4084 if (!bp.isRuntime() && !bp.isDevelopment()) { 4085 throw new SecurityException("Permission " + bp.name 4086 + " is not a changeable permission type"); 4087 } 4088 } 4089 4090 @Override 4091 public void grantRuntimePermission(String packageName, String name, final int userId) { 4092 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4093 } 4094 4095 private void grantRuntimePermission(String packageName, String name, final int userId, 4096 boolean overridePolicy) { 4097 if (!sUserManager.exists(userId)) { 4098 Log.e(TAG, "No such user:" + userId); 4099 return; 4100 } 4101 4102 mContext.enforceCallingOrSelfPermission( 4103 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4104 "grantRuntimePermission"); 4105 4106 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4107 true /* requireFullPermission */, true /* checkShell */, 4108 "grantRuntimePermission"); 4109 4110 final int uid; 4111 final SettingBase sb; 4112 4113 synchronized (mPackages) { 4114 final PackageParser.Package pkg = mPackages.get(packageName); 4115 if (pkg == null) { 4116 throw new IllegalArgumentException("Unknown package: " + packageName); 4117 } 4118 4119 final BasePermission bp = mSettings.mPermissions.get(name); 4120 if (bp == null) { 4121 throw new IllegalArgumentException("Unknown permission: " + name); 4122 } 4123 4124 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4125 4126 // If a permission review is required for legacy apps we represent 4127 // their permissions as always granted runtime ones since we need 4128 // to keep the review required permission flag per user while an 4129 // install permission's state is shared across all users. 4130 if (mPermissionReviewRequired 4131 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4132 && bp.isRuntime()) { 4133 return; 4134 } 4135 4136 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4137 sb = (SettingBase) pkg.mExtras; 4138 if (sb == null) { 4139 throw new IllegalArgumentException("Unknown package: " + packageName); 4140 } 4141 4142 final PermissionsState permissionsState = sb.getPermissionsState(); 4143 4144 final int flags = permissionsState.getPermissionFlags(name, userId); 4145 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4146 throw new SecurityException("Cannot grant system fixed permission " 4147 + name + " for package " + packageName); 4148 } 4149 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4150 throw new SecurityException("Cannot grant policy fixed permission " 4151 + name + " for package " + packageName); 4152 } 4153 4154 if (bp.isDevelopment()) { 4155 // Development permissions must be handled specially, since they are not 4156 // normal runtime permissions. For now they apply to all users. 4157 if (permissionsState.grantInstallPermission(bp) != 4158 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4159 scheduleWriteSettingsLocked(); 4160 } 4161 return; 4162 } 4163 4164 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 4165 throw new SecurityException("Cannot grant non-ephemeral permission" 4166 + name + " for package " + packageName); 4167 } 4168 4169 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4170 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4171 return; 4172 } 4173 4174 final int result = permissionsState.grantRuntimePermission(bp, userId); 4175 switch (result) { 4176 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4177 return; 4178 } 4179 4180 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4181 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4182 mHandler.post(new Runnable() { 4183 @Override 4184 public void run() { 4185 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4186 } 4187 }); 4188 } 4189 break; 4190 } 4191 4192 if (bp.isRuntime()) { 4193 logPermissionGranted(mContext, name, packageName); 4194 } 4195 4196 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4197 4198 // Not critical if that is lost - app has to request again. 4199 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4200 } 4201 4202 // Only need to do this if user is initialized. Otherwise it's a new user 4203 // and there are no processes running as the user yet and there's no need 4204 // to make an expensive call to remount processes for the changed permissions. 4205 if (READ_EXTERNAL_STORAGE.equals(name) 4206 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4207 final long token = Binder.clearCallingIdentity(); 4208 try { 4209 if (sUserManager.isInitialized(userId)) { 4210 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4211 StorageManagerInternal.class); 4212 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4213 } 4214 } finally { 4215 Binder.restoreCallingIdentity(token); 4216 } 4217 } 4218 } 4219 4220 @Override 4221 public void revokeRuntimePermission(String packageName, String name, int userId) { 4222 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4223 } 4224 4225 private void revokeRuntimePermission(String packageName, String name, int userId, 4226 boolean overridePolicy) { 4227 if (!sUserManager.exists(userId)) { 4228 Log.e(TAG, "No such user:" + userId); 4229 return; 4230 } 4231 4232 mContext.enforceCallingOrSelfPermission( 4233 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4234 "revokeRuntimePermission"); 4235 4236 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4237 true /* requireFullPermission */, true /* checkShell */, 4238 "revokeRuntimePermission"); 4239 4240 final int appId; 4241 4242 synchronized (mPackages) { 4243 final PackageParser.Package pkg = mPackages.get(packageName); 4244 if (pkg == null) { 4245 throw new IllegalArgumentException("Unknown package: " + packageName); 4246 } 4247 4248 final BasePermission bp = mSettings.mPermissions.get(name); 4249 if (bp == null) { 4250 throw new IllegalArgumentException("Unknown permission: " + name); 4251 } 4252 4253 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4254 4255 // If a permission review is required for legacy apps we represent 4256 // their permissions as always granted runtime ones since we need 4257 // to keep the review required permission flag per user while an 4258 // install permission's state is shared across all users. 4259 if (mPermissionReviewRequired 4260 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4261 && bp.isRuntime()) { 4262 return; 4263 } 4264 4265 SettingBase sb = (SettingBase) pkg.mExtras; 4266 if (sb == null) { 4267 throw new IllegalArgumentException("Unknown package: " + packageName); 4268 } 4269 4270 final PermissionsState permissionsState = sb.getPermissionsState(); 4271 4272 final int flags = permissionsState.getPermissionFlags(name, userId); 4273 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4274 throw new SecurityException("Cannot revoke system fixed permission " 4275 + name + " for package " + packageName); 4276 } 4277 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4278 throw new SecurityException("Cannot revoke policy fixed permission " 4279 + name + " for package " + packageName); 4280 } 4281 4282 if (bp.isDevelopment()) { 4283 // Development permissions must be handled specially, since they are not 4284 // normal runtime permissions. For now they apply to all users. 4285 if (permissionsState.revokeInstallPermission(bp) != 4286 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4287 scheduleWriteSettingsLocked(); 4288 } 4289 return; 4290 } 4291 4292 if (permissionsState.revokeRuntimePermission(bp, userId) == 4293 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4294 return; 4295 } 4296 4297 if (bp.isRuntime()) { 4298 logPermissionRevoked(mContext, name, packageName); 4299 } 4300 4301 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4302 4303 // Critical, after this call app should never have the permission. 4304 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4305 4306 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4307 } 4308 4309 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4310 } 4311 4312 /** 4313 * Get the first event id for the permission. 4314 * 4315 * <p>There are four events for each permission: <ul> 4316 * <li>Request permission: first id + 0</li> 4317 * <li>Grant permission: first id + 1</li> 4318 * <li>Request for permission denied: first id + 2</li> 4319 * <li>Revoke permission: first id + 3</li> 4320 * </ul></p> 4321 * 4322 * @param name name of the permission 4323 * 4324 * @return The first event id for the permission 4325 */ 4326 private static int getBaseEventId(@NonNull String name) { 4327 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 4328 4329 if (eventIdIndex == -1) { 4330 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 4331 || "user".equals(Build.TYPE)) { 4332 Log.i(TAG, "Unknown permission " + name); 4333 4334 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 4335 } else { 4336 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 4337 // 4338 // Also update 4339 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 4340 // - metrics_constants.proto 4341 throw new IllegalStateException("Unknown permission " + name); 4342 } 4343 } 4344 4345 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 4346 } 4347 4348 /** 4349 * Log that a permission was revoked. 4350 * 4351 * @param context Context of the caller 4352 * @param name name of the permission 4353 * @param packageName package permission if for 4354 */ 4355 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 4356 @NonNull String packageName) { 4357 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 4358 } 4359 4360 /** 4361 * Log that a permission request was granted. 4362 * 4363 * @param context Context of the caller 4364 * @param name name of the permission 4365 * @param packageName package permission if for 4366 */ 4367 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 4368 @NonNull String packageName) { 4369 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 4370 } 4371 4372 @Override 4373 public void resetRuntimePermissions() { 4374 mContext.enforceCallingOrSelfPermission( 4375 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4376 "revokeRuntimePermission"); 4377 4378 int callingUid = Binder.getCallingUid(); 4379 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4380 mContext.enforceCallingOrSelfPermission( 4381 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4382 "resetRuntimePermissions"); 4383 } 4384 4385 synchronized (mPackages) { 4386 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4387 for (int userId : UserManagerService.getInstance().getUserIds()) { 4388 final int packageCount = mPackages.size(); 4389 for (int i = 0; i < packageCount; i++) { 4390 PackageParser.Package pkg = mPackages.valueAt(i); 4391 if (!(pkg.mExtras instanceof PackageSetting)) { 4392 continue; 4393 } 4394 PackageSetting ps = (PackageSetting) pkg.mExtras; 4395 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4396 } 4397 } 4398 } 4399 } 4400 4401 @Override 4402 public int getPermissionFlags(String name, String packageName, int userId) { 4403 if (!sUserManager.exists(userId)) { 4404 return 0; 4405 } 4406 4407 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4408 4409 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4410 true /* requireFullPermission */, false /* checkShell */, 4411 "getPermissionFlags"); 4412 4413 synchronized (mPackages) { 4414 final PackageParser.Package pkg = mPackages.get(packageName); 4415 if (pkg == null) { 4416 return 0; 4417 } 4418 4419 final BasePermission bp = mSettings.mPermissions.get(name); 4420 if (bp == null) { 4421 return 0; 4422 } 4423 4424 SettingBase sb = (SettingBase) pkg.mExtras; 4425 if (sb == null) { 4426 return 0; 4427 } 4428 4429 PermissionsState permissionsState = sb.getPermissionsState(); 4430 return permissionsState.getPermissionFlags(name, userId); 4431 } 4432 } 4433 4434 @Override 4435 public void updatePermissionFlags(String name, String packageName, int flagMask, 4436 int flagValues, int userId) { 4437 if (!sUserManager.exists(userId)) { 4438 return; 4439 } 4440 4441 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4442 4443 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4444 true /* requireFullPermission */, true /* checkShell */, 4445 "updatePermissionFlags"); 4446 4447 // Only the system can change these flags and nothing else. 4448 if (getCallingUid() != Process.SYSTEM_UID) { 4449 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4450 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4451 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4452 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4453 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4454 } 4455 4456 synchronized (mPackages) { 4457 final PackageParser.Package pkg = mPackages.get(packageName); 4458 if (pkg == null) { 4459 throw new IllegalArgumentException("Unknown package: " + packageName); 4460 } 4461 4462 final BasePermission bp = mSettings.mPermissions.get(name); 4463 if (bp == null) { 4464 throw new IllegalArgumentException("Unknown permission: " + name); 4465 } 4466 4467 SettingBase sb = (SettingBase) pkg.mExtras; 4468 if (sb == null) { 4469 throw new IllegalArgumentException("Unknown package: " + packageName); 4470 } 4471 4472 PermissionsState permissionsState = sb.getPermissionsState(); 4473 4474 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4475 4476 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4477 // Install and runtime permissions are stored in different places, 4478 // so figure out what permission changed and persist the change. 4479 if (permissionsState.getInstallPermissionState(name) != null) { 4480 scheduleWriteSettingsLocked(); 4481 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4482 || hadState) { 4483 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4484 } 4485 } 4486 } 4487 } 4488 4489 /** 4490 * Update the permission flags for all packages and runtime permissions of a user in order 4491 * to allow device or profile owner to remove POLICY_FIXED. 4492 */ 4493 @Override 4494 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4495 if (!sUserManager.exists(userId)) { 4496 return; 4497 } 4498 4499 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4500 4501 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4502 true /* requireFullPermission */, true /* checkShell */, 4503 "updatePermissionFlagsForAllApps"); 4504 4505 // Only the system can change system fixed flags. 4506 if (getCallingUid() != Process.SYSTEM_UID) { 4507 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4508 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4509 } 4510 4511 synchronized (mPackages) { 4512 boolean changed = false; 4513 final int packageCount = mPackages.size(); 4514 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4515 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4516 SettingBase sb = (SettingBase) pkg.mExtras; 4517 if (sb == null) { 4518 continue; 4519 } 4520 PermissionsState permissionsState = sb.getPermissionsState(); 4521 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4522 userId, flagMask, flagValues); 4523 } 4524 if (changed) { 4525 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4526 } 4527 } 4528 } 4529 4530 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4531 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4532 != PackageManager.PERMISSION_GRANTED 4533 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4534 != PackageManager.PERMISSION_GRANTED) { 4535 throw new SecurityException(message + " requires " 4536 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4537 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4538 } 4539 } 4540 4541 @Override 4542 public boolean shouldShowRequestPermissionRationale(String permissionName, 4543 String packageName, int userId) { 4544 if (UserHandle.getCallingUserId() != userId) { 4545 mContext.enforceCallingPermission( 4546 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4547 "canShowRequestPermissionRationale for user " + userId); 4548 } 4549 4550 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4551 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4552 return false; 4553 } 4554 4555 if (checkPermission(permissionName, packageName, userId) 4556 == PackageManager.PERMISSION_GRANTED) { 4557 return false; 4558 } 4559 4560 final int flags; 4561 4562 final long identity = Binder.clearCallingIdentity(); 4563 try { 4564 flags = getPermissionFlags(permissionName, 4565 packageName, userId); 4566 } finally { 4567 Binder.restoreCallingIdentity(identity); 4568 } 4569 4570 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4571 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4572 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4573 4574 if ((flags & fixedFlags) != 0) { 4575 return false; 4576 } 4577 4578 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4579 } 4580 4581 @Override 4582 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4583 mContext.enforceCallingOrSelfPermission( 4584 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4585 "addOnPermissionsChangeListener"); 4586 4587 synchronized (mPackages) { 4588 mOnPermissionChangeListeners.addListenerLocked(listener); 4589 } 4590 } 4591 4592 @Override 4593 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4594 synchronized (mPackages) { 4595 mOnPermissionChangeListeners.removeListenerLocked(listener); 4596 } 4597 } 4598 4599 @Override 4600 public boolean isProtectedBroadcast(String actionName) { 4601 synchronized (mPackages) { 4602 if (mProtectedBroadcasts.contains(actionName)) { 4603 return true; 4604 } else if (actionName != null) { 4605 // TODO: remove these terrible hacks 4606 if (actionName.startsWith("android.net.netmon.lingerExpired") 4607 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4608 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4609 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4610 return true; 4611 } 4612 } 4613 } 4614 return false; 4615 } 4616 4617 @Override 4618 public int checkSignatures(String pkg1, String pkg2) { 4619 synchronized (mPackages) { 4620 final PackageParser.Package p1 = mPackages.get(pkg1); 4621 final PackageParser.Package p2 = mPackages.get(pkg2); 4622 if (p1 == null || p1.mExtras == null 4623 || p2 == null || p2.mExtras == null) { 4624 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4625 } 4626 return compareSignatures(p1.mSignatures, p2.mSignatures); 4627 } 4628 } 4629 4630 @Override 4631 public int checkUidSignatures(int uid1, int uid2) { 4632 // Map to base uids. 4633 uid1 = UserHandle.getAppId(uid1); 4634 uid2 = UserHandle.getAppId(uid2); 4635 // reader 4636 synchronized (mPackages) { 4637 Signature[] s1; 4638 Signature[] s2; 4639 Object obj = mSettings.getUserIdLPr(uid1); 4640 if (obj != null) { 4641 if (obj instanceof SharedUserSetting) { 4642 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4643 } else if (obj instanceof PackageSetting) { 4644 s1 = ((PackageSetting)obj).signatures.mSignatures; 4645 } else { 4646 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4647 } 4648 } else { 4649 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4650 } 4651 obj = mSettings.getUserIdLPr(uid2); 4652 if (obj != null) { 4653 if (obj instanceof SharedUserSetting) { 4654 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4655 } else if (obj instanceof PackageSetting) { 4656 s2 = ((PackageSetting)obj).signatures.mSignatures; 4657 } else { 4658 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4659 } 4660 } else { 4661 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4662 } 4663 return compareSignatures(s1, s2); 4664 } 4665 } 4666 4667 /** 4668 * This method should typically only be used when granting or revoking 4669 * permissions, since the app may immediately restart after this call. 4670 * <p> 4671 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4672 * guard your work against the app being relaunched. 4673 */ 4674 private void killUid(int appId, int userId, String reason) { 4675 final long identity = Binder.clearCallingIdentity(); 4676 try { 4677 IActivityManager am = ActivityManager.getService(); 4678 if (am != null) { 4679 try { 4680 am.killUid(appId, userId, reason); 4681 } catch (RemoteException e) { 4682 /* ignore - same process */ 4683 } 4684 } 4685 } finally { 4686 Binder.restoreCallingIdentity(identity); 4687 } 4688 } 4689 4690 /** 4691 * Compares two sets of signatures. Returns: 4692 * <br /> 4693 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4694 * <br /> 4695 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4696 * <br /> 4697 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4698 * <br /> 4699 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4700 * <br /> 4701 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4702 */ 4703 static int compareSignatures(Signature[] s1, Signature[] s2) { 4704 if (s1 == null) { 4705 return s2 == null 4706 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4707 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4708 } 4709 4710 if (s2 == null) { 4711 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4712 } 4713 4714 if (s1.length != s2.length) { 4715 return PackageManager.SIGNATURE_NO_MATCH; 4716 } 4717 4718 // Since both signature sets are of size 1, we can compare without HashSets. 4719 if (s1.length == 1) { 4720 return s1[0].equals(s2[0]) ? 4721 PackageManager.SIGNATURE_MATCH : 4722 PackageManager.SIGNATURE_NO_MATCH; 4723 } 4724 4725 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4726 for (Signature sig : s1) { 4727 set1.add(sig); 4728 } 4729 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4730 for (Signature sig : s2) { 4731 set2.add(sig); 4732 } 4733 // Make sure s2 contains all signatures in s1. 4734 if (set1.equals(set2)) { 4735 return PackageManager.SIGNATURE_MATCH; 4736 } 4737 return PackageManager.SIGNATURE_NO_MATCH; 4738 } 4739 4740 /** 4741 * If the database version for this type of package (internal storage or 4742 * external storage) is less than the version where package signatures 4743 * were updated, return true. 4744 */ 4745 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4746 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4747 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4748 } 4749 4750 /** 4751 * Used for backward compatibility to make sure any packages with 4752 * certificate chains get upgraded to the new style. {@code existingSigs} 4753 * will be in the old format (since they were stored on disk from before the 4754 * system upgrade) and {@code scannedSigs} will be in the newer format. 4755 */ 4756 private int compareSignaturesCompat(PackageSignatures existingSigs, 4757 PackageParser.Package scannedPkg) { 4758 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4759 return PackageManager.SIGNATURE_NO_MATCH; 4760 } 4761 4762 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4763 for (Signature sig : existingSigs.mSignatures) { 4764 existingSet.add(sig); 4765 } 4766 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4767 for (Signature sig : scannedPkg.mSignatures) { 4768 try { 4769 Signature[] chainSignatures = sig.getChainSignatures(); 4770 for (Signature chainSig : chainSignatures) { 4771 scannedCompatSet.add(chainSig); 4772 } 4773 } catch (CertificateEncodingException e) { 4774 scannedCompatSet.add(sig); 4775 } 4776 } 4777 /* 4778 * Make sure the expanded scanned set contains all signatures in the 4779 * existing one. 4780 */ 4781 if (scannedCompatSet.equals(existingSet)) { 4782 // Migrate the old signatures to the new scheme. 4783 existingSigs.assignSignatures(scannedPkg.mSignatures); 4784 // The new KeySets will be re-added later in the scanning process. 4785 synchronized (mPackages) { 4786 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4787 } 4788 return PackageManager.SIGNATURE_MATCH; 4789 } 4790 return PackageManager.SIGNATURE_NO_MATCH; 4791 } 4792 4793 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4794 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4795 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4796 } 4797 4798 private int compareSignaturesRecover(PackageSignatures existingSigs, 4799 PackageParser.Package scannedPkg) { 4800 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4801 return PackageManager.SIGNATURE_NO_MATCH; 4802 } 4803 4804 String msg = null; 4805 try { 4806 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4807 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4808 + scannedPkg.packageName); 4809 return PackageManager.SIGNATURE_MATCH; 4810 } 4811 } catch (CertificateException e) { 4812 msg = e.getMessage(); 4813 } 4814 4815 logCriticalInfo(Log.INFO, 4816 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4817 return PackageManager.SIGNATURE_NO_MATCH; 4818 } 4819 4820 @Override 4821 public List<String> getAllPackages() { 4822 synchronized (mPackages) { 4823 return new ArrayList<String>(mPackages.keySet()); 4824 } 4825 } 4826 4827 @Override 4828 public String[] getPackagesForUid(int uid) { 4829 final int userId = UserHandle.getUserId(uid); 4830 uid = UserHandle.getAppId(uid); 4831 // reader 4832 synchronized (mPackages) { 4833 Object obj = mSettings.getUserIdLPr(uid); 4834 if (obj instanceof SharedUserSetting) { 4835 final SharedUserSetting sus = (SharedUserSetting) obj; 4836 final int N = sus.packages.size(); 4837 String[] res = new String[N]; 4838 final Iterator<PackageSetting> it = sus.packages.iterator(); 4839 int i = 0; 4840 while (it.hasNext()) { 4841 PackageSetting ps = it.next(); 4842 if (ps.getInstalled(userId)) { 4843 res[i++] = ps.name; 4844 } else { 4845 res = ArrayUtils.removeElement(String.class, res, res[i]); 4846 } 4847 } 4848 return res; 4849 } else if (obj instanceof PackageSetting) { 4850 final PackageSetting ps = (PackageSetting) obj; 4851 return new String[] { ps.name }; 4852 } 4853 } 4854 return null; 4855 } 4856 4857 @Override 4858 public String getNameForUid(int uid) { 4859 // reader 4860 synchronized (mPackages) { 4861 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4862 if (obj instanceof SharedUserSetting) { 4863 final SharedUserSetting sus = (SharedUserSetting) obj; 4864 return sus.name + ":" + sus.userId; 4865 } else if (obj instanceof PackageSetting) { 4866 final PackageSetting ps = (PackageSetting) obj; 4867 return ps.name; 4868 } 4869 } 4870 return null; 4871 } 4872 4873 @Override 4874 public int getUidForSharedUser(String sharedUserName) { 4875 if(sharedUserName == null) { 4876 return -1; 4877 } 4878 // reader 4879 synchronized (mPackages) { 4880 SharedUserSetting suid; 4881 try { 4882 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4883 if (suid != null) { 4884 return suid.userId; 4885 } 4886 } catch (PackageManagerException ignore) { 4887 // can't happen, but, still need to catch it 4888 } 4889 return -1; 4890 } 4891 } 4892 4893 @Override 4894 public int getFlagsForUid(int uid) { 4895 synchronized (mPackages) { 4896 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4897 if (obj instanceof SharedUserSetting) { 4898 final SharedUserSetting sus = (SharedUserSetting) obj; 4899 return sus.pkgFlags; 4900 } else if (obj instanceof PackageSetting) { 4901 final PackageSetting ps = (PackageSetting) obj; 4902 return ps.pkgFlags; 4903 } 4904 } 4905 return 0; 4906 } 4907 4908 @Override 4909 public int getPrivateFlagsForUid(int uid) { 4910 synchronized (mPackages) { 4911 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4912 if (obj instanceof SharedUserSetting) { 4913 final SharedUserSetting sus = (SharedUserSetting) obj; 4914 return sus.pkgPrivateFlags; 4915 } else if (obj instanceof PackageSetting) { 4916 final PackageSetting ps = (PackageSetting) obj; 4917 return ps.pkgPrivateFlags; 4918 } 4919 } 4920 return 0; 4921 } 4922 4923 @Override 4924 public boolean isUidPrivileged(int uid) { 4925 uid = UserHandle.getAppId(uid); 4926 // reader 4927 synchronized (mPackages) { 4928 Object obj = mSettings.getUserIdLPr(uid); 4929 if (obj instanceof SharedUserSetting) { 4930 final SharedUserSetting sus = (SharedUserSetting) obj; 4931 final Iterator<PackageSetting> it = sus.packages.iterator(); 4932 while (it.hasNext()) { 4933 if (it.next().isPrivileged()) { 4934 return true; 4935 } 4936 } 4937 } else if (obj instanceof PackageSetting) { 4938 final PackageSetting ps = (PackageSetting) obj; 4939 return ps.isPrivileged(); 4940 } 4941 } 4942 return false; 4943 } 4944 4945 @Override 4946 public String[] getAppOpPermissionPackages(String permissionName) { 4947 synchronized (mPackages) { 4948 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4949 if (pkgs == null) { 4950 return null; 4951 } 4952 return pkgs.toArray(new String[pkgs.size()]); 4953 } 4954 } 4955 4956 @Override 4957 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4958 int flags, int userId) { 4959 try { 4960 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4961 4962 if (!sUserManager.exists(userId)) return null; 4963 flags = updateFlagsForResolve(flags, userId, intent); 4964 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4965 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4966 4967 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4968 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4969 flags, userId); 4970 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4971 4972 final ResolveInfo bestChoice = 4973 chooseBestActivity(intent, resolvedType, flags, query, userId); 4974 return bestChoice; 4975 } finally { 4976 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4977 } 4978 } 4979 4980 @Override 4981 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4982 IntentFilter filter, int match, ComponentName activity) { 4983 final int userId = UserHandle.getCallingUserId(); 4984 if (DEBUG_PREFERRED) { 4985 Log.v(TAG, "setLastChosenActivity intent=" + intent 4986 + " resolvedType=" + resolvedType 4987 + " flags=" + flags 4988 + " filter=" + filter 4989 + " match=" + match 4990 + " activity=" + activity); 4991 filter.dump(new PrintStreamPrinter(System.out), " "); 4992 } 4993 intent.setComponent(null); 4994 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4995 userId); 4996 // Find any earlier preferred or last chosen entries and nuke them 4997 findPreferredActivity(intent, resolvedType, 4998 flags, query, 0, false, true, false, userId); 4999 // Add the new activity as the last chosen for this filter 5000 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5001 "Setting last chosen"); 5002 } 5003 5004 @Override 5005 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5006 final int userId = UserHandle.getCallingUserId(); 5007 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5008 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5009 userId); 5010 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5011 false, false, false, userId); 5012 } 5013 5014 private boolean isEphemeralDisabled() { 5015 // ephemeral apps have been disabled across the board 5016 if (DISABLE_EPHEMERAL_APPS) { 5017 return true; 5018 } 5019 // system isn't up yet; can't read settings, so, assume no ephemeral apps 5020 if (!mSystemReady) { 5021 return true; 5022 } 5023 // we can't get a content resolver until the system is ready; these checks must happen last 5024 final ContentResolver resolver = mContext.getContentResolver(); 5025 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 5026 return true; 5027 } 5028 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 5029 } 5030 5031 private boolean isEphemeralAllowed( 5032 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5033 boolean skipPackageCheck) { 5034 // Short circuit and return early if possible. 5035 if (isEphemeralDisabled()) { 5036 return false; 5037 } 5038 final int callingUser = UserHandle.getCallingUserId(); 5039 if (callingUser != UserHandle.USER_SYSTEM) { 5040 return false; 5041 } 5042 if (mEphemeralResolverConnection == null) { 5043 return false; 5044 } 5045 if (mEphemeralInstallerComponent == null) { 5046 return false; 5047 } 5048 if (intent.getComponent() != null) { 5049 return false; 5050 } 5051 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5052 return false; 5053 } 5054 if (!skipPackageCheck && intent.getPackage() != null) { 5055 return false; 5056 } 5057 final boolean isWebUri = hasWebURI(intent); 5058 if (!isWebUri || intent.getData().getHost() == null) { 5059 return false; 5060 } 5061 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5062 synchronized (mPackages) { 5063 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5064 for (int n = 0; n < count; n++) { 5065 ResolveInfo info = resolvedActivities.get(n); 5066 String packageName = info.activityInfo.packageName; 5067 PackageSetting ps = mSettings.mPackages.get(packageName); 5068 if (ps != null) { 5069 // Try to get the status from User settings first 5070 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5071 int status = (int) (packedStatus >> 32); 5072 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5073 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5074 if (DEBUG_EPHEMERAL) { 5075 Slog.v(TAG, "DENY ephemeral apps;" 5076 + " pkg: " + packageName + ", status: " + status); 5077 } 5078 return false; 5079 } 5080 } 5081 } 5082 } 5083 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5084 return true; 5085 } 5086 5087 private void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 5088 Intent origIntent, String resolvedType, Intent launchIntent, String callingPackage, 5089 int userId) { 5090 final Message msg = mHandler.obtainMessage(EPHEMERAL_RESOLUTION_PHASE_TWO, 5091 new EphemeralRequest(responseObj, origIntent, resolvedType, launchIntent, 5092 callingPackage, userId)); 5093 mHandler.sendMessage(msg); 5094 } 5095 5096 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5097 int flags, List<ResolveInfo> query, int userId) { 5098 if (query != null) { 5099 final int N = query.size(); 5100 if (N == 1) { 5101 return query.get(0); 5102 } else if (N > 1) { 5103 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5104 // If there is more than one activity with the same priority, 5105 // then let the user decide between them. 5106 ResolveInfo r0 = query.get(0); 5107 ResolveInfo r1 = query.get(1); 5108 if (DEBUG_INTENT_MATCHING || debug) { 5109 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5110 + r1.activityInfo.name + "=" + r1.priority); 5111 } 5112 // If the first activity has a higher priority, or a different 5113 // default, then it is always desirable to pick it. 5114 if (r0.priority != r1.priority 5115 || r0.preferredOrder != r1.preferredOrder 5116 || r0.isDefault != r1.isDefault) { 5117 return query.get(0); 5118 } 5119 // If we have saved a preference for a preferred activity for 5120 // this Intent, use that. 5121 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5122 flags, query, r0.priority, true, false, debug, userId); 5123 if (ri != null) { 5124 return ri; 5125 } 5126 ri = new ResolveInfo(mResolveInfo); 5127 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5128 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5129 // If all of the options come from the same package, show the application's 5130 // label and icon instead of the generic resolver's. 5131 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5132 // and then throw away the ResolveInfo itself, meaning that the caller loses 5133 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5134 // a fallback for this case; we only set the target package's resources on 5135 // the ResolveInfo, not the ActivityInfo. 5136 final String intentPackage = intent.getPackage(); 5137 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5138 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5139 ri.resolvePackageName = intentPackage; 5140 if (userNeedsBadging(userId)) { 5141 ri.noResourceId = true; 5142 } else { 5143 ri.icon = appi.icon; 5144 } 5145 ri.iconResourceId = appi.icon; 5146 ri.labelRes = appi.labelRes; 5147 } 5148 ri.activityInfo.applicationInfo = new ApplicationInfo( 5149 ri.activityInfo.applicationInfo); 5150 if (userId != 0) { 5151 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5152 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5153 } 5154 // Make sure that the resolver is displayable in car mode 5155 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5156 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5157 return ri; 5158 } 5159 } 5160 return null; 5161 } 5162 5163 /** 5164 * Return true if the given list is not empty and all of its contents have 5165 * an activityInfo with the given package name. 5166 */ 5167 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5168 if (ArrayUtils.isEmpty(list)) { 5169 return false; 5170 } 5171 for (int i = 0, N = list.size(); i < N; i++) { 5172 final ResolveInfo ri = list.get(i); 5173 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5174 if (ai == null || !packageName.equals(ai.packageName)) { 5175 return false; 5176 } 5177 } 5178 return true; 5179 } 5180 5181 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5182 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5183 final int N = query.size(); 5184 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5185 .get(userId); 5186 // Get the list of persistent preferred activities that handle the intent 5187 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5188 List<PersistentPreferredActivity> pprefs = ppir != null 5189 ? ppir.queryIntent(intent, resolvedType, 5190 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5191 : null; 5192 if (pprefs != null && pprefs.size() > 0) { 5193 final int M = pprefs.size(); 5194 for (int i=0; i<M; i++) { 5195 final PersistentPreferredActivity ppa = pprefs.get(i); 5196 if (DEBUG_PREFERRED || debug) { 5197 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5198 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5199 + "\n component=" + ppa.mComponent); 5200 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5201 } 5202 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5203 flags | MATCH_DISABLED_COMPONENTS, userId); 5204 if (DEBUG_PREFERRED || debug) { 5205 Slog.v(TAG, "Found persistent preferred activity:"); 5206 if (ai != null) { 5207 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5208 } else { 5209 Slog.v(TAG, " null"); 5210 } 5211 } 5212 if (ai == null) { 5213 // This previously registered persistent preferred activity 5214 // component is no longer known. Ignore it and do NOT remove it. 5215 continue; 5216 } 5217 for (int j=0; j<N; j++) { 5218 final ResolveInfo ri = query.get(j); 5219 if (!ri.activityInfo.applicationInfo.packageName 5220 .equals(ai.applicationInfo.packageName)) { 5221 continue; 5222 } 5223 if (!ri.activityInfo.name.equals(ai.name)) { 5224 continue; 5225 } 5226 // Found a persistent preference that can handle the intent. 5227 if (DEBUG_PREFERRED || debug) { 5228 Slog.v(TAG, "Returning persistent preferred activity: " + 5229 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5230 } 5231 return ri; 5232 } 5233 } 5234 } 5235 return null; 5236 } 5237 5238 // TODO: handle preferred activities missing while user has amnesia 5239 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5240 List<ResolveInfo> query, int priority, boolean always, 5241 boolean removeMatches, boolean debug, int userId) { 5242 if (!sUserManager.exists(userId)) return null; 5243 flags = updateFlagsForResolve(flags, userId, intent); 5244 // writer 5245 synchronized (mPackages) { 5246 if (intent.getSelector() != null) { 5247 intent = intent.getSelector(); 5248 } 5249 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5250 5251 // Try to find a matching persistent preferred activity. 5252 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5253 debug, userId); 5254 5255 // If a persistent preferred activity matched, use it. 5256 if (pri != null) { 5257 return pri; 5258 } 5259 5260 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5261 // Get the list of preferred activities that handle the intent 5262 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5263 List<PreferredActivity> prefs = pir != null 5264 ? pir.queryIntent(intent, resolvedType, 5265 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5266 : null; 5267 if (prefs != null && prefs.size() > 0) { 5268 boolean changed = false; 5269 try { 5270 // First figure out how good the original match set is. 5271 // We will only allow preferred activities that came 5272 // from the same match quality. 5273 int match = 0; 5274 5275 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5276 5277 final int N = query.size(); 5278 for (int j=0; j<N; j++) { 5279 final ResolveInfo ri = query.get(j); 5280 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5281 + ": 0x" + Integer.toHexString(match)); 5282 if (ri.match > match) { 5283 match = ri.match; 5284 } 5285 } 5286 5287 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5288 + Integer.toHexString(match)); 5289 5290 match &= IntentFilter.MATCH_CATEGORY_MASK; 5291 final int M = prefs.size(); 5292 for (int i=0; i<M; i++) { 5293 final PreferredActivity pa = prefs.get(i); 5294 if (DEBUG_PREFERRED || debug) { 5295 Slog.v(TAG, "Checking PreferredActivity ds=" 5296 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5297 + "\n component=" + pa.mPref.mComponent); 5298 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5299 } 5300 if (pa.mPref.mMatch != match) { 5301 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5302 + Integer.toHexString(pa.mPref.mMatch)); 5303 continue; 5304 } 5305 // If it's not an "always" type preferred activity and that's what we're 5306 // looking for, skip it. 5307 if (always && !pa.mPref.mAlways) { 5308 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5309 continue; 5310 } 5311 final ActivityInfo ai = getActivityInfo( 5312 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5313 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5314 userId); 5315 if (DEBUG_PREFERRED || debug) { 5316 Slog.v(TAG, "Found preferred activity:"); 5317 if (ai != null) { 5318 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5319 } else { 5320 Slog.v(TAG, " null"); 5321 } 5322 } 5323 if (ai == null) { 5324 // This previously registered preferred activity 5325 // component is no longer known. Most likely an update 5326 // to the app was installed and in the new version this 5327 // component no longer exists. Clean it up by removing 5328 // it from the preferred activities list, and skip it. 5329 Slog.w(TAG, "Removing dangling preferred activity: " 5330 + pa.mPref.mComponent); 5331 pir.removeFilter(pa); 5332 changed = true; 5333 continue; 5334 } 5335 for (int j=0; j<N; j++) { 5336 final ResolveInfo ri = query.get(j); 5337 if (!ri.activityInfo.applicationInfo.packageName 5338 .equals(ai.applicationInfo.packageName)) { 5339 continue; 5340 } 5341 if (!ri.activityInfo.name.equals(ai.name)) { 5342 continue; 5343 } 5344 5345 if (removeMatches) { 5346 pir.removeFilter(pa); 5347 changed = true; 5348 if (DEBUG_PREFERRED) { 5349 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5350 } 5351 break; 5352 } 5353 5354 // Okay we found a previously set preferred or last chosen app. 5355 // If the result set is different from when this 5356 // was created, we need to clear it and re-ask the 5357 // user their preference, if we're looking for an "always" type entry. 5358 if (always && !pa.mPref.sameSet(query)) { 5359 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5360 + intent + " type " + resolvedType); 5361 if (DEBUG_PREFERRED) { 5362 Slog.v(TAG, "Removing preferred activity since set changed " 5363 + pa.mPref.mComponent); 5364 } 5365 pir.removeFilter(pa); 5366 // Re-add the filter as a "last chosen" entry (!always) 5367 PreferredActivity lastChosen = new PreferredActivity( 5368 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5369 pir.addFilter(lastChosen); 5370 changed = true; 5371 return null; 5372 } 5373 5374 // Yay! Either the set matched or we're looking for the last chosen 5375 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5376 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5377 return ri; 5378 } 5379 } 5380 } finally { 5381 if (changed) { 5382 if (DEBUG_PREFERRED) { 5383 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5384 } 5385 scheduleWritePackageRestrictionsLocked(userId); 5386 } 5387 } 5388 } 5389 } 5390 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5391 return null; 5392 } 5393 5394 /* 5395 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5396 */ 5397 @Override 5398 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5399 int targetUserId) { 5400 mContext.enforceCallingOrSelfPermission( 5401 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5402 List<CrossProfileIntentFilter> matches = 5403 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5404 if (matches != null) { 5405 int size = matches.size(); 5406 for (int i = 0; i < size; i++) { 5407 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5408 } 5409 } 5410 if (hasWebURI(intent)) { 5411 // cross-profile app linking works only towards the parent. 5412 final UserInfo parent = getProfileParent(sourceUserId); 5413 synchronized(mPackages) { 5414 int flags = updateFlagsForResolve(0, parent.id, intent); 5415 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5416 intent, resolvedType, flags, sourceUserId, parent.id); 5417 return xpDomainInfo != null; 5418 } 5419 } 5420 return false; 5421 } 5422 5423 private UserInfo getProfileParent(int userId) { 5424 final long identity = Binder.clearCallingIdentity(); 5425 try { 5426 return sUserManager.getProfileParent(userId); 5427 } finally { 5428 Binder.restoreCallingIdentity(identity); 5429 } 5430 } 5431 5432 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5433 String resolvedType, int userId) { 5434 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5435 if (resolver != null) { 5436 return resolver.queryIntent(intent, resolvedType, false, userId); 5437 } 5438 return null; 5439 } 5440 5441 @Override 5442 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5443 String resolvedType, int flags, int userId) { 5444 try { 5445 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5446 5447 return new ParceledListSlice<>( 5448 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5449 } finally { 5450 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5451 } 5452 } 5453 5454 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5455 String resolvedType, int flags, int userId) { 5456 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5457 flags = updateFlagsForResolve(flags, userId, intent); 5458 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5459 false /* requireFullPermission */, false /* checkShell */, 5460 "query intent activities"); 5461 ComponentName comp = intent.getComponent(); 5462 if (comp == null) { 5463 if (intent.getSelector() != null) { 5464 intent = intent.getSelector(); 5465 comp = intent.getComponent(); 5466 } 5467 } 5468 5469 if (comp != null) { 5470 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5471 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5472 if (ai != null) { 5473 final ResolveInfo ri = new ResolveInfo(); 5474 ri.activityInfo = ai; 5475 list.add(ri); 5476 } 5477 return list; 5478 } 5479 5480 // reader 5481 boolean sortResult = false; 5482 boolean addEphemeral = false; 5483 boolean matchEphemeralPackage = false; 5484 List<ResolveInfo> result; 5485 final String pkgName = intent.getPackage(); 5486 synchronized (mPackages) { 5487 if (pkgName == null) { 5488 List<CrossProfileIntentFilter> matchingFilters = 5489 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5490 // Check for results that need to skip the current profile. 5491 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5492 resolvedType, flags, userId); 5493 if (xpResolveInfo != null) { 5494 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5495 xpResult.add(xpResolveInfo); 5496 return filterIfNotSystemUser(xpResult, userId); 5497 } 5498 5499 // Check for results in the current profile. 5500 result = filterIfNotSystemUser(mActivities.queryIntent( 5501 intent, resolvedType, flags, userId), userId); 5502 addEphemeral = 5503 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5504 5505 // Check for cross profile results. 5506 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5507 xpResolveInfo = queryCrossProfileIntents( 5508 matchingFilters, intent, resolvedType, flags, userId, 5509 hasNonNegativePriorityResult); 5510 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5511 boolean isVisibleToUser = filterIfNotSystemUser( 5512 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5513 if (isVisibleToUser) { 5514 result.add(xpResolveInfo); 5515 sortResult = true; 5516 } 5517 } 5518 if (hasWebURI(intent)) { 5519 CrossProfileDomainInfo xpDomainInfo = null; 5520 final UserInfo parent = getProfileParent(userId); 5521 if (parent != null) { 5522 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5523 flags, userId, parent.id); 5524 } 5525 if (xpDomainInfo != null) { 5526 if (xpResolveInfo != null) { 5527 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5528 // in the result. 5529 result.remove(xpResolveInfo); 5530 } 5531 if (result.size() == 0 && !addEphemeral) { 5532 // No result in current profile, but found candidate in parent user. 5533 // And we are not going to add emphemeral app, so we can return the 5534 // result straight away. 5535 result.add(xpDomainInfo.resolveInfo); 5536 return result; 5537 } 5538 } else if (result.size() <= 1 && !addEphemeral) { 5539 // No result in parent user and <= 1 result in current profile, and we 5540 // are not going to add emphemeral app, so we can return the result without 5541 // further processing. 5542 return result; 5543 } 5544 // We have more than one candidate (combining results from current and parent 5545 // profile), so we need filtering and sorting. 5546 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5547 intent, flags, result, xpDomainInfo, userId); 5548 sortResult = true; 5549 } 5550 } else { 5551 final PackageParser.Package pkg = mPackages.get(pkgName); 5552 if (pkg != null) { 5553 result = filterIfNotSystemUser( 5554 mActivities.queryIntentForPackage( 5555 intent, resolvedType, flags, pkg.activities, userId), 5556 userId); 5557 } else { 5558 // the caller wants to resolve for a particular package; however, there 5559 // were no installed results, so, try to find an ephemeral result 5560 addEphemeral = isEphemeralAllowed( 5561 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5562 matchEphemeralPackage = true; 5563 result = new ArrayList<ResolveInfo>(); 5564 } 5565 } 5566 } 5567 if (addEphemeral) { 5568 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5569 final EphemeralRequest requestObject = new EphemeralRequest( 5570 null /*responseObj*/, intent /*origIntent*/, resolvedType, 5571 null /*launchIntent*/, null /*callingPackage*/, userId); 5572 final EphemeralResponse intentInfo = EphemeralResolver.doEphemeralResolutionPhaseOne( 5573 mContext, mEphemeralResolverConnection, requestObject); 5574 if (intentInfo != null) { 5575 if (DEBUG_EPHEMERAL) { 5576 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5577 } 5578 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5579 ephemeralInstaller.ephemeralResponse = intentInfo; 5580 // make sure this resolver is the default 5581 ephemeralInstaller.isDefault = true; 5582 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5583 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5584 // add a non-generic filter 5585 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5586 ephemeralInstaller.filter.addDataPath( 5587 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5588 result.add(ephemeralInstaller); 5589 } 5590 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5591 } 5592 if (sortResult) { 5593 Collections.sort(result, mResolvePrioritySorter); 5594 } 5595 return result; 5596 } 5597 5598 private static class CrossProfileDomainInfo { 5599 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5600 ResolveInfo resolveInfo; 5601 /* Best domain verification status of the activities found in the other profile */ 5602 int bestDomainVerificationStatus; 5603 } 5604 5605 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5606 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5607 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5608 sourceUserId)) { 5609 return null; 5610 } 5611 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5612 resolvedType, flags, parentUserId); 5613 5614 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5615 return null; 5616 } 5617 CrossProfileDomainInfo result = null; 5618 int size = resultTargetUser.size(); 5619 for (int i = 0; i < size; i++) { 5620 ResolveInfo riTargetUser = resultTargetUser.get(i); 5621 // Intent filter verification is only for filters that specify a host. So don't return 5622 // those that handle all web uris. 5623 if (riTargetUser.handleAllWebDataURI) { 5624 continue; 5625 } 5626 String packageName = riTargetUser.activityInfo.packageName; 5627 PackageSetting ps = mSettings.mPackages.get(packageName); 5628 if (ps == null) { 5629 continue; 5630 } 5631 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5632 int status = (int)(verificationState >> 32); 5633 if (result == null) { 5634 result = new CrossProfileDomainInfo(); 5635 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5636 sourceUserId, parentUserId); 5637 result.bestDomainVerificationStatus = status; 5638 } else { 5639 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5640 result.bestDomainVerificationStatus); 5641 } 5642 } 5643 // Don't consider matches with status NEVER across profiles. 5644 if (result != null && result.bestDomainVerificationStatus 5645 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5646 return null; 5647 } 5648 return result; 5649 } 5650 5651 /** 5652 * Verification statuses are ordered from the worse to the best, except for 5653 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5654 */ 5655 private int bestDomainVerificationStatus(int status1, int status2) { 5656 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5657 return status2; 5658 } 5659 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5660 return status1; 5661 } 5662 return (int) MathUtils.max(status1, status2); 5663 } 5664 5665 private boolean isUserEnabled(int userId) { 5666 long callingId = Binder.clearCallingIdentity(); 5667 try { 5668 UserInfo userInfo = sUserManager.getUserInfo(userId); 5669 return userInfo != null && userInfo.isEnabled(); 5670 } finally { 5671 Binder.restoreCallingIdentity(callingId); 5672 } 5673 } 5674 5675 /** 5676 * Filter out activities with systemUserOnly flag set, when current user is not System. 5677 * 5678 * @return filtered list 5679 */ 5680 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5681 if (userId == UserHandle.USER_SYSTEM) { 5682 return resolveInfos; 5683 } 5684 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5685 ResolveInfo info = resolveInfos.get(i); 5686 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5687 resolveInfos.remove(i); 5688 } 5689 } 5690 return resolveInfos; 5691 } 5692 5693 /** 5694 * @param resolveInfos list of resolve infos in descending priority order 5695 * @return if the list contains a resolve info with non-negative priority 5696 */ 5697 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5698 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5699 } 5700 5701 private static boolean hasWebURI(Intent intent) { 5702 if (intent.getData() == null) { 5703 return false; 5704 } 5705 final String scheme = intent.getScheme(); 5706 if (TextUtils.isEmpty(scheme)) { 5707 return false; 5708 } 5709 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5710 } 5711 5712 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5713 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5714 int userId) { 5715 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5716 5717 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5718 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5719 candidates.size()); 5720 } 5721 5722 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5723 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5724 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5725 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5726 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5727 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5728 5729 synchronized (mPackages) { 5730 final int count = candidates.size(); 5731 // First, try to use linked apps. Partition the candidates into four lists: 5732 // one for the final results, one for the "do not use ever", one for "undefined status" 5733 // and finally one for "browser app type". 5734 for (int n=0; n<count; n++) { 5735 ResolveInfo info = candidates.get(n); 5736 String packageName = info.activityInfo.packageName; 5737 PackageSetting ps = mSettings.mPackages.get(packageName); 5738 if (ps != null) { 5739 // Add to the special match all list (Browser use case) 5740 if (info.handleAllWebDataURI) { 5741 matchAllList.add(info); 5742 continue; 5743 } 5744 // Try to get the status from User settings first 5745 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5746 int status = (int)(packedStatus >> 32); 5747 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5748 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5749 if (DEBUG_DOMAIN_VERIFICATION) { 5750 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5751 + " : linkgen=" + linkGeneration); 5752 } 5753 // Use link-enabled generation as preferredOrder, i.e. 5754 // prefer newly-enabled over earlier-enabled. 5755 info.preferredOrder = linkGeneration; 5756 alwaysList.add(info); 5757 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5758 if (DEBUG_DOMAIN_VERIFICATION) { 5759 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5760 } 5761 neverList.add(info); 5762 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5763 if (DEBUG_DOMAIN_VERIFICATION) { 5764 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5765 } 5766 alwaysAskList.add(info); 5767 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5768 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5769 if (DEBUG_DOMAIN_VERIFICATION) { 5770 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5771 } 5772 undefinedList.add(info); 5773 } 5774 } 5775 } 5776 5777 // We'll want to include browser possibilities in a few cases 5778 boolean includeBrowser = false; 5779 5780 // First try to add the "always" resolution(s) for the current user, if any 5781 if (alwaysList.size() > 0) { 5782 result.addAll(alwaysList); 5783 } else { 5784 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5785 result.addAll(undefinedList); 5786 // Maybe add one for the other profile. 5787 if (xpDomainInfo != null && ( 5788 xpDomainInfo.bestDomainVerificationStatus 5789 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5790 result.add(xpDomainInfo.resolveInfo); 5791 } 5792 includeBrowser = true; 5793 } 5794 5795 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5796 // If there were 'always' entries their preferred order has been set, so we also 5797 // back that off to make the alternatives equivalent 5798 if (alwaysAskList.size() > 0) { 5799 for (ResolveInfo i : result) { 5800 i.preferredOrder = 0; 5801 } 5802 result.addAll(alwaysAskList); 5803 includeBrowser = true; 5804 } 5805 5806 if (includeBrowser) { 5807 // Also add browsers (all of them or only the default one) 5808 if (DEBUG_DOMAIN_VERIFICATION) { 5809 Slog.v(TAG, " ...including browsers in candidate set"); 5810 } 5811 if ((matchFlags & MATCH_ALL) != 0) { 5812 result.addAll(matchAllList); 5813 } else { 5814 // Browser/generic handling case. If there's a default browser, go straight 5815 // to that (but only if there is no other higher-priority match). 5816 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5817 int maxMatchPrio = 0; 5818 ResolveInfo defaultBrowserMatch = null; 5819 final int numCandidates = matchAllList.size(); 5820 for (int n = 0; n < numCandidates; n++) { 5821 ResolveInfo info = matchAllList.get(n); 5822 // track the highest overall match priority... 5823 if (info.priority > maxMatchPrio) { 5824 maxMatchPrio = info.priority; 5825 } 5826 // ...and the highest-priority default browser match 5827 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5828 if (defaultBrowserMatch == null 5829 || (defaultBrowserMatch.priority < info.priority)) { 5830 if (debug) { 5831 Slog.v(TAG, "Considering default browser match " + info); 5832 } 5833 defaultBrowserMatch = info; 5834 } 5835 } 5836 } 5837 if (defaultBrowserMatch != null 5838 && defaultBrowserMatch.priority >= maxMatchPrio 5839 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5840 { 5841 if (debug) { 5842 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5843 } 5844 result.add(defaultBrowserMatch); 5845 } else { 5846 result.addAll(matchAllList); 5847 } 5848 } 5849 5850 // If there is nothing selected, add all candidates and remove the ones that the user 5851 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5852 if (result.size() == 0) { 5853 result.addAll(candidates); 5854 result.removeAll(neverList); 5855 } 5856 } 5857 } 5858 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5859 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5860 result.size()); 5861 for (ResolveInfo info : result) { 5862 Slog.v(TAG, " + " + info.activityInfo); 5863 } 5864 } 5865 return result; 5866 } 5867 5868 // Returns a packed value as a long: 5869 // 5870 // high 'int'-sized word: link status: undefined/ask/never/always. 5871 // low 'int'-sized word: relative priority among 'always' results. 5872 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5873 long result = ps.getDomainVerificationStatusForUser(userId); 5874 // if none available, get the master status 5875 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5876 if (ps.getIntentFilterVerificationInfo() != null) { 5877 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5878 } 5879 } 5880 return result; 5881 } 5882 5883 private ResolveInfo querySkipCurrentProfileIntents( 5884 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5885 int flags, int sourceUserId) { 5886 if (matchingFilters != null) { 5887 int size = matchingFilters.size(); 5888 for (int i = 0; i < size; i ++) { 5889 CrossProfileIntentFilter filter = matchingFilters.get(i); 5890 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5891 // Checking if there are activities in the target user that can handle the 5892 // intent. 5893 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5894 resolvedType, flags, sourceUserId); 5895 if (resolveInfo != null) { 5896 return resolveInfo; 5897 } 5898 } 5899 } 5900 } 5901 return null; 5902 } 5903 5904 // Return matching ResolveInfo in target user if any. 5905 private ResolveInfo queryCrossProfileIntents( 5906 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5907 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5908 if (matchingFilters != null) { 5909 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5910 // match the same intent. For performance reasons, it is better not to 5911 // run queryIntent twice for the same userId 5912 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5913 int size = matchingFilters.size(); 5914 for (int i = 0; i < size; i++) { 5915 CrossProfileIntentFilter filter = matchingFilters.get(i); 5916 int targetUserId = filter.getTargetUserId(); 5917 boolean skipCurrentProfile = 5918 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5919 boolean skipCurrentProfileIfNoMatchFound = 5920 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5921 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5922 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5923 // Checking if there are activities in the target user that can handle the 5924 // intent. 5925 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5926 resolvedType, flags, sourceUserId); 5927 if (resolveInfo != null) return resolveInfo; 5928 alreadyTriedUserIds.put(targetUserId, true); 5929 } 5930 } 5931 } 5932 return null; 5933 } 5934 5935 /** 5936 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5937 * will forward the intent to the filter's target user. 5938 * Otherwise, returns null. 5939 */ 5940 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5941 String resolvedType, int flags, int sourceUserId) { 5942 int targetUserId = filter.getTargetUserId(); 5943 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5944 resolvedType, flags, targetUserId); 5945 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5946 // If all the matches in the target profile are suspended, return null. 5947 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5948 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5949 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5950 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5951 targetUserId); 5952 } 5953 } 5954 } 5955 return null; 5956 } 5957 5958 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5959 int sourceUserId, int targetUserId) { 5960 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5961 long ident = Binder.clearCallingIdentity(); 5962 boolean targetIsProfile; 5963 try { 5964 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5965 } finally { 5966 Binder.restoreCallingIdentity(ident); 5967 } 5968 String className; 5969 if (targetIsProfile) { 5970 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5971 } else { 5972 className = FORWARD_INTENT_TO_PARENT; 5973 } 5974 ComponentName forwardingActivityComponentName = new ComponentName( 5975 mAndroidApplication.packageName, className); 5976 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5977 sourceUserId); 5978 if (!targetIsProfile) { 5979 forwardingActivityInfo.showUserIcon = targetUserId; 5980 forwardingResolveInfo.noResourceId = true; 5981 } 5982 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5983 forwardingResolveInfo.priority = 0; 5984 forwardingResolveInfo.preferredOrder = 0; 5985 forwardingResolveInfo.match = 0; 5986 forwardingResolveInfo.isDefault = true; 5987 forwardingResolveInfo.filter = filter; 5988 forwardingResolveInfo.targetUserId = targetUserId; 5989 return forwardingResolveInfo; 5990 } 5991 5992 @Override 5993 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5994 Intent[] specifics, String[] specificTypes, Intent intent, 5995 String resolvedType, int flags, int userId) { 5996 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5997 specificTypes, intent, resolvedType, flags, userId)); 5998 } 5999 6000 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6001 Intent[] specifics, String[] specificTypes, Intent intent, 6002 String resolvedType, int flags, int userId) { 6003 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6004 flags = updateFlagsForResolve(flags, userId, intent); 6005 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6006 false /* requireFullPermission */, false /* checkShell */, 6007 "query intent activity options"); 6008 final String resultsAction = intent.getAction(); 6009 6010 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6011 | PackageManager.GET_RESOLVED_FILTER, userId); 6012 6013 if (DEBUG_INTENT_MATCHING) { 6014 Log.v(TAG, "Query " + intent + ": " + results); 6015 } 6016 6017 int specificsPos = 0; 6018 int N; 6019 6020 // todo: note that the algorithm used here is O(N^2). This 6021 // isn't a problem in our current environment, but if we start running 6022 // into situations where we have more than 5 or 10 matches then this 6023 // should probably be changed to something smarter... 6024 6025 // First we go through and resolve each of the specific items 6026 // that were supplied, taking care of removing any corresponding 6027 // duplicate items in the generic resolve list. 6028 if (specifics != null) { 6029 for (int i=0; i<specifics.length; i++) { 6030 final Intent sintent = specifics[i]; 6031 if (sintent == null) { 6032 continue; 6033 } 6034 6035 if (DEBUG_INTENT_MATCHING) { 6036 Log.v(TAG, "Specific #" + i + ": " + sintent); 6037 } 6038 6039 String action = sintent.getAction(); 6040 if (resultsAction != null && resultsAction.equals(action)) { 6041 // If this action was explicitly requested, then don't 6042 // remove things that have it. 6043 action = null; 6044 } 6045 6046 ResolveInfo ri = null; 6047 ActivityInfo ai = null; 6048 6049 ComponentName comp = sintent.getComponent(); 6050 if (comp == null) { 6051 ri = resolveIntent( 6052 sintent, 6053 specificTypes != null ? specificTypes[i] : null, 6054 flags, userId); 6055 if (ri == null) { 6056 continue; 6057 } 6058 if (ri == mResolveInfo) { 6059 // ACK! Must do something better with this. 6060 } 6061 ai = ri.activityInfo; 6062 comp = new ComponentName(ai.applicationInfo.packageName, 6063 ai.name); 6064 } else { 6065 ai = getActivityInfo(comp, flags, userId); 6066 if (ai == null) { 6067 continue; 6068 } 6069 } 6070 6071 // Look for any generic query activities that are duplicates 6072 // of this specific one, and remove them from the results. 6073 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6074 N = results.size(); 6075 int j; 6076 for (j=specificsPos; j<N; j++) { 6077 ResolveInfo sri = results.get(j); 6078 if ((sri.activityInfo.name.equals(comp.getClassName()) 6079 && sri.activityInfo.applicationInfo.packageName.equals( 6080 comp.getPackageName())) 6081 || (action != null && sri.filter.matchAction(action))) { 6082 results.remove(j); 6083 if (DEBUG_INTENT_MATCHING) Log.v( 6084 TAG, "Removing duplicate item from " + j 6085 + " due to specific " + specificsPos); 6086 if (ri == null) { 6087 ri = sri; 6088 } 6089 j--; 6090 N--; 6091 } 6092 } 6093 6094 // Add this specific item to its proper place. 6095 if (ri == null) { 6096 ri = new ResolveInfo(); 6097 ri.activityInfo = ai; 6098 } 6099 results.add(specificsPos, ri); 6100 ri.specificIndex = i; 6101 specificsPos++; 6102 } 6103 } 6104 6105 // Now we go through the remaining generic results and remove any 6106 // duplicate actions that are found here. 6107 N = results.size(); 6108 for (int i=specificsPos; i<N-1; i++) { 6109 final ResolveInfo rii = results.get(i); 6110 if (rii.filter == null) { 6111 continue; 6112 } 6113 6114 // Iterate over all of the actions of this result's intent 6115 // filter... typically this should be just one. 6116 final Iterator<String> it = rii.filter.actionsIterator(); 6117 if (it == null) { 6118 continue; 6119 } 6120 while (it.hasNext()) { 6121 final String action = it.next(); 6122 if (resultsAction != null && resultsAction.equals(action)) { 6123 // If this action was explicitly requested, then don't 6124 // remove things that have it. 6125 continue; 6126 } 6127 for (int j=i+1; j<N; j++) { 6128 final ResolveInfo rij = results.get(j); 6129 if (rij.filter != null && rij.filter.hasAction(action)) { 6130 results.remove(j); 6131 if (DEBUG_INTENT_MATCHING) Log.v( 6132 TAG, "Removing duplicate item from " + j 6133 + " due to action " + action + " at " + i); 6134 j--; 6135 N--; 6136 } 6137 } 6138 } 6139 6140 // If the caller didn't request filter information, drop it now 6141 // so we don't have to marshall/unmarshall it. 6142 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6143 rii.filter = null; 6144 } 6145 } 6146 6147 // Filter out the caller activity if so requested. 6148 if (caller != null) { 6149 N = results.size(); 6150 for (int i=0; i<N; i++) { 6151 ActivityInfo ainfo = results.get(i).activityInfo; 6152 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6153 && caller.getClassName().equals(ainfo.name)) { 6154 results.remove(i); 6155 break; 6156 } 6157 } 6158 } 6159 6160 // If the caller didn't request filter information, 6161 // drop them now so we don't have to 6162 // marshall/unmarshall it. 6163 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6164 N = results.size(); 6165 for (int i=0; i<N; i++) { 6166 results.get(i).filter = null; 6167 } 6168 } 6169 6170 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6171 return results; 6172 } 6173 6174 @Override 6175 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6176 String resolvedType, int flags, int userId) { 6177 return new ParceledListSlice<>( 6178 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6179 } 6180 6181 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6182 String resolvedType, int flags, int userId) { 6183 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6184 flags = updateFlagsForResolve(flags, userId, intent); 6185 ComponentName comp = intent.getComponent(); 6186 if (comp == null) { 6187 if (intent.getSelector() != null) { 6188 intent = intent.getSelector(); 6189 comp = intent.getComponent(); 6190 } 6191 } 6192 if (comp != null) { 6193 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6194 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6195 if (ai != null) { 6196 ResolveInfo ri = new ResolveInfo(); 6197 ri.activityInfo = ai; 6198 list.add(ri); 6199 } 6200 return list; 6201 } 6202 6203 // reader 6204 synchronized (mPackages) { 6205 String pkgName = intent.getPackage(); 6206 if (pkgName == null) { 6207 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6208 } 6209 final PackageParser.Package pkg = mPackages.get(pkgName); 6210 if (pkg != null) { 6211 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6212 userId); 6213 } 6214 return Collections.emptyList(); 6215 } 6216 } 6217 6218 @Override 6219 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6220 if (!sUserManager.exists(userId)) return null; 6221 flags = updateFlagsForResolve(flags, userId, intent); 6222 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6223 if (query != null) { 6224 if (query.size() >= 1) { 6225 // If there is more than one service with the same priority, 6226 // just arbitrarily pick the first one. 6227 return query.get(0); 6228 } 6229 } 6230 return null; 6231 } 6232 6233 @Override 6234 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6235 String resolvedType, int flags, int userId) { 6236 return new ParceledListSlice<>( 6237 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6238 } 6239 6240 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6241 String resolvedType, int flags, int userId) { 6242 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6243 flags = updateFlagsForResolve(flags, userId, intent); 6244 ComponentName comp = intent.getComponent(); 6245 if (comp == null) { 6246 if (intent.getSelector() != null) { 6247 intent = intent.getSelector(); 6248 comp = intent.getComponent(); 6249 } 6250 } 6251 if (comp != null) { 6252 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6253 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6254 if (si != null) { 6255 final ResolveInfo ri = new ResolveInfo(); 6256 ri.serviceInfo = si; 6257 list.add(ri); 6258 } 6259 return list; 6260 } 6261 6262 // reader 6263 synchronized (mPackages) { 6264 String pkgName = intent.getPackage(); 6265 if (pkgName == null) { 6266 return mServices.queryIntent(intent, resolvedType, flags, userId); 6267 } 6268 final PackageParser.Package pkg = mPackages.get(pkgName); 6269 if (pkg != null) { 6270 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6271 userId); 6272 } 6273 return Collections.emptyList(); 6274 } 6275 } 6276 6277 @Override 6278 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6279 String resolvedType, int flags, int userId) { 6280 return new ParceledListSlice<>( 6281 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6282 } 6283 6284 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6285 Intent intent, String resolvedType, int flags, int userId) { 6286 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6287 flags = updateFlagsForResolve(flags, userId, intent); 6288 ComponentName comp = intent.getComponent(); 6289 if (comp == null) { 6290 if (intent.getSelector() != null) { 6291 intent = intent.getSelector(); 6292 comp = intent.getComponent(); 6293 } 6294 } 6295 if (comp != null) { 6296 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6297 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6298 if (pi != null) { 6299 final ResolveInfo ri = new ResolveInfo(); 6300 ri.providerInfo = pi; 6301 list.add(ri); 6302 } 6303 return list; 6304 } 6305 6306 // reader 6307 synchronized (mPackages) { 6308 String pkgName = intent.getPackage(); 6309 if (pkgName == null) { 6310 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6311 } 6312 final PackageParser.Package pkg = mPackages.get(pkgName); 6313 if (pkg != null) { 6314 return mProviders.queryIntentForPackage( 6315 intent, resolvedType, flags, pkg.providers, userId); 6316 } 6317 return Collections.emptyList(); 6318 } 6319 } 6320 6321 @Override 6322 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6323 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6324 flags = updateFlagsForPackage(flags, userId, null); 6325 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6326 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6327 true /* requireFullPermission */, false /* checkShell */, 6328 "get installed packages"); 6329 6330 // writer 6331 synchronized (mPackages) { 6332 ArrayList<PackageInfo> list; 6333 if (listUninstalled) { 6334 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6335 for (PackageSetting ps : mSettings.mPackages.values()) { 6336 final PackageInfo pi; 6337 if (ps.pkg != null) { 6338 pi = generatePackageInfo(ps, flags, userId); 6339 } else { 6340 pi = generatePackageInfo(ps, flags, userId); 6341 } 6342 if (pi != null) { 6343 list.add(pi); 6344 } 6345 } 6346 } else { 6347 list = new ArrayList<PackageInfo>(mPackages.size()); 6348 for (PackageParser.Package p : mPackages.values()) { 6349 final PackageInfo pi = 6350 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6351 if (pi != null) { 6352 list.add(pi); 6353 } 6354 } 6355 } 6356 6357 return new ParceledListSlice<PackageInfo>(list); 6358 } 6359 } 6360 6361 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6362 String[] permissions, boolean[] tmp, int flags, int userId) { 6363 int numMatch = 0; 6364 final PermissionsState permissionsState = ps.getPermissionsState(); 6365 for (int i=0; i<permissions.length; i++) { 6366 final String permission = permissions[i]; 6367 if (permissionsState.hasPermission(permission, userId)) { 6368 tmp[i] = true; 6369 numMatch++; 6370 } else { 6371 tmp[i] = false; 6372 } 6373 } 6374 if (numMatch == 0) { 6375 return; 6376 } 6377 final PackageInfo pi; 6378 if (ps.pkg != null) { 6379 pi = generatePackageInfo(ps, flags, userId); 6380 } else { 6381 pi = generatePackageInfo(ps, flags, userId); 6382 } 6383 // The above might return null in cases of uninstalled apps or install-state 6384 // skew across users/profiles. 6385 if (pi != null) { 6386 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6387 if (numMatch == permissions.length) { 6388 pi.requestedPermissions = permissions; 6389 } else { 6390 pi.requestedPermissions = new String[numMatch]; 6391 numMatch = 0; 6392 for (int i=0; i<permissions.length; i++) { 6393 if (tmp[i]) { 6394 pi.requestedPermissions[numMatch] = permissions[i]; 6395 numMatch++; 6396 } 6397 } 6398 } 6399 } 6400 list.add(pi); 6401 } 6402 } 6403 6404 @Override 6405 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6406 String[] permissions, int flags, int userId) { 6407 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6408 flags = updateFlagsForPackage(flags, userId, permissions); 6409 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6410 true /* requireFullPermission */, false /* checkShell */, 6411 "get packages holding permissions"); 6412 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6413 6414 // writer 6415 synchronized (mPackages) { 6416 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6417 boolean[] tmpBools = new boolean[permissions.length]; 6418 if (listUninstalled) { 6419 for (PackageSetting ps : mSettings.mPackages.values()) { 6420 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6421 userId); 6422 } 6423 } else { 6424 for (PackageParser.Package pkg : mPackages.values()) { 6425 PackageSetting ps = (PackageSetting)pkg.mExtras; 6426 if (ps != null) { 6427 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6428 userId); 6429 } 6430 } 6431 } 6432 6433 return new ParceledListSlice<PackageInfo>(list); 6434 } 6435 } 6436 6437 @Override 6438 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6439 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6440 flags = updateFlagsForApplication(flags, userId, null); 6441 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6442 6443 // writer 6444 synchronized (mPackages) { 6445 ArrayList<ApplicationInfo> list; 6446 if (listUninstalled) { 6447 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6448 for (PackageSetting ps : mSettings.mPackages.values()) { 6449 ApplicationInfo ai; 6450 int effectiveFlags = flags; 6451 if (ps.isSystem()) { 6452 effectiveFlags |= PackageManager.MATCH_ANY_USER; 6453 } 6454 if (ps.pkg != null) { 6455 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 6456 ps.readUserState(userId), userId); 6457 } else { 6458 ai = generateApplicationInfoFromSettingsLPw(ps.name, effectiveFlags, 6459 userId); 6460 } 6461 if (ai != null) { 6462 list.add(ai); 6463 } 6464 } 6465 } else { 6466 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6467 for (PackageParser.Package p : mPackages.values()) { 6468 if (p.mExtras != null) { 6469 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6470 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6471 if (ai != null) { 6472 list.add(ai); 6473 } 6474 } 6475 } 6476 } 6477 6478 return new ParceledListSlice<ApplicationInfo>(list); 6479 } 6480 } 6481 6482 @Override 6483 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6484 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6485 return null; 6486 } 6487 6488 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6489 "getEphemeralApplications"); 6490 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6491 true /* requireFullPermission */, false /* checkShell */, 6492 "getEphemeralApplications"); 6493 synchronized (mPackages) { 6494 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6495 .getEphemeralApplicationsLPw(userId); 6496 if (ephemeralApps != null) { 6497 return new ParceledListSlice<>(ephemeralApps); 6498 } 6499 } 6500 return null; 6501 } 6502 6503 @Override 6504 public boolean isEphemeralApplication(String packageName, int userId) { 6505 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6506 true /* requireFullPermission */, false /* checkShell */, 6507 "isEphemeral"); 6508 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6509 return false; 6510 } 6511 6512 if (!isCallerSameApp(packageName)) { 6513 return false; 6514 } 6515 synchronized (mPackages) { 6516 PackageParser.Package pkg = mPackages.get(packageName); 6517 if (pkg != null) { 6518 return pkg.applicationInfo.isEphemeralApp(); 6519 } 6520 } 6521 return false; 6522 } 6523 6524 @Override 6525 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6526 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6527 return null; 6528 } 6529 6530 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6531 true /* requireFullPermission */, false /* checkShell */, 6532 "getCookie"); 6533 if (!isCallerSameApp(packageName)) { 6534 return null; 6535 } 6536 synchronized (mPackages) { 6537 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6538 packageName, userId); 6539 } 6540 } 6541 6542 @Override 6543 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6544 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6545 return true; 6546 } 6547 6548 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6549 true /* requireFullPermission */, true /* checkShell */, 6550 "setCookie"); 6551 if (!isCallerSameApp(packageName)) { 6552 return false; 6553 } 6554 synchronized (mPackages) { 6555 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6556 packageName, cookie, userId); 6557 } 6558 } 6559 6560 @Override 6561 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6562 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6563 return null; 6564 } 6565 6566 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6567 "getEphemeralApplicationIcon"); 6568 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6569 true /* requireFullPermission */, false /* checkShell */, 6570 "getEphemeralApplicationIcon"); 6571 synchronized (mPackages) { 6572 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6573 packageName, userId); 6574 } 6575 } 6576 6577 private boolean isCallerSameApp(String packageName) { 6578 PackageParser.Package pkg = mPackages.get(packageName); 6579 return pkg != null 6580 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6581 } 6582 6583 @Override 6584 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6585 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6586 } 6587 6588 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6589 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6590 6591 // reader 6592 synchronized (mPackages) { 6593 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6594 final int userId = UserHandle.getCallingUserId(); 6595 while (i.hasNext()) { 6596 final PackageParser.Package p = i.next(); 6597 if (p.applicationInfo == null) continue; 6598 6599 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6600 && !p.applicationInfo.isDirectBootAware(); 6601 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6602 && p.applicationInfo.isDirectBootAware(); 6603 6604 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6605 && (!mSafeMode || isSystemApp(p)) 6606 && (matchesUnaware || matchesAware)) { 6607 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6608 if (ps != null) { 6609 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6610 ps.readUserState(userId), userId); 6611 if (ai != null) { 6612 finalList.add(ai); 6613 } 6614 } 6615 } 6616 } 6617 } 6618 6619 return finalList; 6620 } 6621 6622 @Override 6623 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6624 if (!sUserManager.exists(userId)) return null; 6625 flags = updateFlagsForComponent(flags, userId, name); 6626 // reader 6627 synchronized (mPackages) { 6628 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6629 PackageSetting ps = provider != null 6630 ? mSettings.mPackages.get(provider.owner.packageName) 6631 : null; 6632 return ps != null 6633 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6634 ? PackageParser.generateProviderInfo(provider, flags, 6635 ps.readUserState(userId), userId) 6636 : null; 6637 } 6638 } 6639 6640 /** 6641 * @deprecated 6642 */ 6643 @Deprecated 6644 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6645 // reader 6646 synchronized (mPackages) { 6647 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6648 .entrySet().iterator(); 6649 final int userId = UserHandle.getCallingUserId(); 6650 while (i.hasNext()) { 6651 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6652 PackageParser.Provider p = entry.getValue(); 6653 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6654 6655 if (ps != null && p.syncable 6656 && (!mSafeMode || (p.info.applicationInfo.flags 6657 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6658 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6659 ps.readUserState(userId), userId); 6660 if (info != null) { 6661 outNames.add(entry.getKey()); 6662 outInfo.add(info); 6663 } 6664 } 6665 } 6666 } 6667 } 6668 6669 @Override 6670 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6671 int uid, int flags) { 6672 final int userId = processName != null ? UserHandle.getUserId(uid) 6673 : UserHandle.getCallingUserId(); 6674 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6675 flags = updateFlagsForComponent(flags, userId, processName); 6676 6677 ArrayList<ProviderInfo> finalList = null; 6678 // reader 6679 synchronized (mPackages) { 6680 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6681 while (i.hasNext()) { 6682 final PackageParser.Provider p = i.next(); 6683 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6684 if (ps != null && p.info.authority != null 6685 && (processName == null 6686 || (p.info.processName.equals(processName) 6687 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6688 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6689 if (finalList == null) { 6690 finalList = new ArrayList<ProviderInfo>(3); 6691 } 6692 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6693 ps.readUserState(userId), userId); 6694 if (info != null) { 6695 finalList.add(info); 6696 } 6697 } 6698 } 6699 } 6700 6701 if (finalList != null) { 6702 Collections.sort(finalList, mProviderInitOrderSorter); 6703 return new ParceledListSlice<ProviderInfo>(finalList); 6704 } 6705 6706 return ParceledListSlice.emptyList(); 6707 } 6708 6709 @Override 6710 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6711 // reader 6712 synchronized (mPackages) { 6713 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6714 return PackageParser.generateInstrumentationInfo(i, flags); 6715 } 6716 } 6717 6718 @Override 6719 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6720 String targetPackage, int flags) { 6721 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6722 } 6723 6724 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6725 int flags) { 6726 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6727 6728 // reader 6729 synchronized (mPackages) { 6730 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6731 while (i.hasNext()) { 6732 final PackageParser.Instrumentation p = i.next(); 6733 if (targetPackage == null 6734 || targetPackage.equals(p.info.targetPackage)) { 6735 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6736 flags); 6737 if (ii != null) { 6738 finalList.add(ii); 6739 } 6740 } 6741 } 6742 } 6743 6744 return finalList; 6745 } 6746 6747 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6748 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6749 if (overlays == null) { 6750 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6751 return; 6752 } 6753 for (PackageParser.Package opkg : overlays.values()) { 6754 // Not much to do if idmap fails: we already logged the error 6755 // and we certainly don't want to abort installation of pkg simply 6756 // because an overlay didn't fit properly. For these reasons, 6757 // ignore the return value of createIdmapForPackagePairLI. 6758 createIdmapForPackagePairLI(pkg, opkg); 6759 } 6760 } 6761 6762 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6763 PackageParser.Package opkg) { 6764 if (!opkg.mTrustedOverlay) { 6765 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6766 opkg.baseCodePath + ": overlay not trusted"); 6767 return false; 6768 } 6769 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6770 if (overlaySet == null) { 6771 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6772 opkg.baseCodePath + " but target package has no known overlays"); 6773 return false; 6774 } 6775 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6776 // TODO: generate idmap for split APKs 6777 try { 6778 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6779 } catch (InstallerException e) { 6780 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6781 + opkg.baseCodePath); 6782 return false; 6783 } 6784 PackageParser.Package[] overlayArray = 6785 overlaySet.values().toArray(new PackageParser.Package[0]); 6786 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6787 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6788 return p1.mOverlayPriority - p2.mOverlayPriority; 6789 } 6790 }; 6791 Arrays.sort(overlayArray, cmp); 6792 6793 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6794 int i = 0; 6795 for (PackageParser.Package p : overlayArray) { 6796 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6797 } 6798 return true; 6799 } 6800 6801 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6802 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 6803 try { 6804 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6805 } finally { 6806 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6807 } 6808 } 6809 6810 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6811 final File[] files = dir.listFiles(); 6812 if (ArrayUtils.isEmpty(files)) { 6813 Log.d(TAG, "No files in app dir " + dir); 6814 return; 6815 } 6816 6817 if (DEBUG_PACKAGE_SCANNING) { 6818 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6819 + " flags=0x" + Integer.toHexString(parseFlags)); 6820 } 6821 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 6822 mSeparateProcesses, mOnlyCore, mMetrics); 6823 6824 // Submit files for parsing in parallel 6825 int fileCount = 0; 6826 for (File file : files) { 6827 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6828 && !PackageInstallerService.isStageName(file.getName()); 6829 if (!isPackage) { 6830 // Ignore entries which are not packages 6831 continue; 6832 } 6833 parallelPackageParser.submit(file, parseFlags); 6834 fileCount++; 6835 } 6836 6837 // Process results one by one 6838 for (; fileCount > 0; fileCount--) { 6839 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 6840 Throwable throwable = parseResult.throwable; 6841 int errorCode = PackageManager.INSTALL_SUCCEEDED; 6842 6843 if (throwable == null) { 6844 try { 6845 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 6846 currentTime, null); 6847 } catch (PackageManagerException e) { 6848 errorCode = e.error; 6849 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 6850 } 6851 } else if (throwable instanceof PackageParser.PackageParserException) { 6852 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 6853 throwable; 6854 errorCode = e.error; 6855 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 6856 } else { 6857 throw new IllegalStateException("Unexpected exception occurred while parsing " 6858 + parseResult.scanFile, throwable); 6859 } 6860 6861 // Delete invalid userdata apps 6862 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6863 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 6864 logCriticalInfo(Log.WARN, 6865 "Deleting invalid package at " + parseResult.scanFile); 6866 removeCodePathLI(parseResult.scanFile); 6867 } 6868 } 6869 parallelPackageParser.close(); 6870 } 6871 6872 private static File getSettingsProblemFile() { 6873 File dataDir = Environment.getDataDirectory(); 6874 File systemDir = new File(dataDir, "system"); 6875 File fname = new File(systemDir, "uiderrors.txt"); 6876 return fname; 6877 } 6878 6879 static void reportSettingsProblem(int priority, String msg) { 6880 logCriticalInfo(priority, msg); 6881 } 6882 6883 static void logCriticalInfo(int priority, String msg) { 6884 Slog.println(priority, TAG, msg); 6885 EventLogTags.writePmCriticalInfo(msg); 6886 try { 6887 File fname = getSettingsProblemFile(); 6888 FileOutputStream out = new FileOutputStream(fname, true); 6889 PrintWriter pw = new FastPrintWriter(out); 6890 SimpleDateFormat formatter = new SimpleDateFormat(); 6891 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6892 pw.println(dateString + ": " + msg); 6893 pw.close(); 6894 FileUtils.setPermissions( 6895 fname.toString(), 6896 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6897 -1, -1); 6898 } catch (java.io.IOException e) { 6899 } 6900 } 6901 6902 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6903 if (srcFile.isDirectory()) { 6904 final File baseFile = new File(pkg.baseCodePath); 6905 long maxModifiedTime = baseFile.lastModified(); 6906 if (pkg.splitCodePaths != null) { 6907 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6908 final File splitFile = new File(pkg.splitCodePaths[i]); 6909 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6910 } 6911 } 6912 return maxModifiedTime; 6913 } 6914 return srcFile.lastModified(); 6915 } 6916 6917 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6918 final int policyFlags) throws PackageManagerException { 6919 // When upgrading from pre-N MR1, verify the package time stamp using the package 6920 // directory and not the APK file. 6921 final long lastModifiedTime = mIsPreNMR1Upgrade 6922 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 6923 if (ps != null 6924 && ps.codePath.equals(srcFile) 6925 && ps.timeStamp == lastModifiedTime 6926 && !isCompatSignatureUpdateNeeded(pkg) 6927 && !isRecoverSignatureUpdateNeeded(pkg)) { 6928 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6929 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6930 ArraySet<PublicKey> signingKs; 6931 synchronized (mPackages) { 6932 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6933 } 6934 if (ps.signatures.mSignatures != null 6935 && ps.signatures.mSignatures.length != 0 6936 && signingKs != null) { 6937 // Optimization: reuse the existing cached certificates 6938 // if the package appears to be unchanged. 6939 pkg.mSignatures = ps.signatures.mSignatures; 6940 pkg.mSigningKeys = signingKs; 6941 return; 6942 } 6943 6944 Slog.w(TAG, "PackageSetting for " + ps.name 6945 + " is missing signatures. Collecting certs again to recover them."); 6946 } else { 6947 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 6948 } 6949 6950 try { 6951 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 6952 PackageParser.collectCertificates(pkg, policyFlags); 6953 } catch (PackageParserException e) { 6954 throw PackageManagerException.from(e); 6955 } finally { 6956 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6957 } 6958 } 6959 6960 /** 6961 * Traces a package scan. 6962 * @see #scanPackageLI(File, int, int, long, UserHandle) 6963 */ 6964 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6965 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6966 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 6967 try { 6968 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6969 } finally { 6970 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6971 } 6972 } 6973 6974 /** 6975 * Scans a package and returns the newly parsed package. 6976 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6977 */ 6978 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6979 long currentTime, UserHandle user) throws PackageManagerException { 6980 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6981 PackageParser pp = new PackageParser(); 6982 pp.setSeparateProcesses(mSeparateProcesses); 6983 pp.setOnlyCoreApps(mOnlyCore); 6984 pp.setDisplayMetrics(mMetrics); 6985 6986 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6987 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6988 } 6989 6990 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6991 final PackageParser.Package pkg; 6992 try { 6993 pkg = pp.parsePackage(scanFile, parseFlags); 6994 } catch (PackageParserException e) { 6995 throw PackageManagerException.from(e); 6996 } finally { 6997 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6998 } 6999 7000 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7001 } 7002 7003 /** 7004 * Scans a package and returns the newly parsed package. 7005 * @throws PackageManagerException on a parse error. 7006 */ 7007 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7008 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7009 throws PackageManagerException { 7010 // If the package has children and this is the first dive in the function 7011 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7012 // packages (parent and children) would be successfully scanned before the 7013 // actual scan since scanning mutates internal state and we want to atomically 7014 // install the package and its children. 7015 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7016 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7017 scanFlags |= SCAN_CHECK_ONLY; 7018 } 7019 } else { 7020 scanFlags &= ~SCAN_CHECK_ONLY; 7021 } 7022 7023 // Scan the parent 7024 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7025 scanFlags, currentTime, user); 7026 7027 // Scan the children 7028 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7029 for (int i = 0; i < childCount; i++) { 7030 PackageParser.Package childPackage = pkg.childPackages.get(i); 7031 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7032 currentTime, user); 7033 } 7034 7035 7036 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7037 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7038 } 7039 7040 return scannedPkg; 7041 } 7042 7043 /** 7044 * Scans a package and returns the newly parsed package. 7045 * @throws PackageManagerException on a parse error. 7046 */ 7047 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7048 int policyFlags, int scanFlags, long currentTime, UserHandle user) 7049 throws PackageManagerException { 7050 PackageSetting ps = null; 7051 PackageSetting updatedPkg; 7052 // reader 7053 synchronized (mPackages) { 7054 // Look to see if we already know about this package. 7055 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7056 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7057 // This package has been renamed to its original name. Let's 7058 // use that. 7059 ps = mSettings.getPackageLPr(oldName); 7060 } 7061 // If there was no original package, see one for the real package name. 7062 if (ps == null) { 7063 ps = mSettings.getPackageLPr(pkg.packageName); 7064 } 7065 // Check to see if this package could be hiding/updating a system 7066 // package. Must look for it either under the original or real 7067 // package name depending on our state. 7068 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7069 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7070 7071 // If this is a package we don't know about on the system partition, we 7072 // may need to remove disabled child packages on the system partition 7073 // or may need to not add child packages if the parent apk is updated 7074 // on the data partition and no longer defines this child package. 7075 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7076 // If this is a parent package for an updated system app and this system 7077 // app got an OTA update which no longer defines some of the child packages 7078 // we have to prune them from the disabled system packages. 7079 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7080 if (disabledPs != null) { 7081 final int scannedChildCount = (pkg.childPackages != null) 7082 ? pkg.childPackages.size() : 0; 7083 final int disabledChildCount = disabledPs.childPackageNames != null 7084 ? disabledPs.childPackageNames.size() : 0; 7085 for (int i = 0; i < disabledChildCount; i++) { 7086 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7087 boolean disabledPackageAvailable = false; 7088 for (int j = 0; j < scannedChildCount; j++) { 7089 PackageParser.Package childPkg = pkg.childPackages.get(j); 7090 if (childPkg.packageName.equals(disabledChildPackageName)) { 7091 disabledPackageAvailable = true; 7092 break; 7093 } 7094 } 7095 if (!disabledPackageAvailable) { 7096 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7097 } 7098 } 7099 } 7100 } 7101 } 7102 7103 boolean updatedPkgBetter = false; 7104 // First check if this is a system package that may involve an update 7105 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7106 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7107 // it needs to drop FLAG_PRIVILEGED. 7108 if (locationIsPrivileged(scanFile)) { 7109 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7110 } else { 7111 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7112 } 7113 7114 if (ps != null && !ps.codePath.equals(scanFile)) { 7115 // The path has changed from what was last scanned... check the 7116 // version of the new path against what we have stored to determine 7117 // what to do. 7118 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7119 if (pkg.mVersionCode <= ps.versionCode) { 7120 // The system package has been updated and the code path does not match 7121 // Ignore entry. Skip it. 7122 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7123 + " ignored: updated version " + ps.versionCode 7124 + " better than this " + pkg.mVersionCode); 7125 if (!updatedPkg.codePath.equals(scanFile)) { 7126 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7127 + ps.name + " changing from " + updatedPkg.codePathString 7128 + " to " + scanFile); 7129 updatedPkg.codePath = scanFile; 7130 updatedPkg.codePathString = scanFile.toString(); 7131 updatedPkg.resourcePath = scanFile; 7132 updatedPkg.resourcePathString = scanFile.toString(); 7133 } 7134 updatedPkg.pkg = pkg; 7135 updatedPkg.versionCode = pkg.mVersionCode; 7136 7137 // Update the disabled system child packages to point to the package too. 7138 final int childCount = updatedPkg.childPackageNames != null 7139 ? updatedPkg.childPackageNames.size() : 0; 7140 for (int i = 0; i < childCount; i++) { 7141 String childPackageName = updatedPkg.childPackageNames.get(i); 7142 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7143 childPackageName); 7144 if (updatedChildPkg != null) { 7145 updatedChildPkg.pkg = pkg; 7146 updatedChildPkg.versionCode = pkg.mVersionCode; 7147 } 7148 } 7149 7150 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7151 + scanFile + " ignored: updated version " + ps.versionCode 7152 + " better than this " + pkg.mVersionCode); 7153 } else { 7154 // The current app on the system partition is better than 7155 // what we have updated to on the data partition; switch 7156 // back to the system partition version. 7157 // At this point, its safely assumed that package installation for 7158 // apps in system partition will go through. If not there won't be a working 7159 // version of the app 7160 // writer 7161 synchronized (mPackages) { 7162 // Just remove the loaded entries from package lists. 7163 mPackages.remove(ps.name); 7164 } 7165 7166 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7167 + " reverting from " + ps.codePathString 7168 + ": new version " + pkg.mVersionCode 7169 + " better than installed " + ps.versionCode); 7170 7171 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7172 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7173 synchronized (mInstallLock) { 7174 args.cleanUpResourcesLI(); 7175 } 7176 synchronized (mPackages) { 7177 mSettings.enableSystemPackageLPw(ps.name); 7178 } 7179 updatedPkgBetter = true; 7180 } 7181 } 7182 } 7183 7184 if (updatedPkg != null) { 7185 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7186 // initially 7187 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7188 7189 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7190 // flag set initially 7191 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7192 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7193 } 7194 } 7195 7196 // Verify certificates against what was last scanned 7197 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7198 7199 /* 7200 * A new system app appeared, but we already had a non-system one of the 7201 * same name installed earlier. 7202 */ 7203 boolean shouldHideSystemApp = false; 7204 if (updatedPkg == null && ps != null 7205 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7206 /* 7207 * Check to make sure the signatures match first. If they don't, 7208 * wipe the installed application and its data. 7209 */ 7210 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7211 != PackageManager.SIGNATURE_MATCH) { 7212 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7213 + " signatures don't match existing userdata copy; removing"); 7214 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7215 "scanPackageInternalLI")) { 7216 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7217 } 7218 ps = null; 7219 } else { 7220 /* 7221 * If the newly-added system app is an older version than the 7222 * already installed version, hide it. It will be scanned later 7223 * and re-added like an update. 7224 */ 7225 if (pkg.mVersionCode <= ps.versionCode) { 7226 shouldHideSystemApp = true; 7227 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7228 + " but new version " + pkg.mVersionCode + " better than installed " 7229 + ps.versionCode + "; hiding system"); 7230 } else { 7231 /* 7232 * The newly found system app is a newer version that the 7233 * one previously installed. Simply remove the 7234 * already-installed application and replace it with our own 7235 * while keeping the application data. 7236 */ 7237 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7238 + " reverting from " + ps.codePathString + ": new version " 7239 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7240 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7241 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7242 synchronized (mInstallLock) { 7243 args.cleanUpResourcesLI(); 7244 } 7245 } 7246 } 7247 } 7248 7249 // The apk is forward locked (not public) if its code and resources 7250 // are kept in different files. (except for app in either system or 7251 // vendor path). 7252 // TODO grab this value from PackageSettings 7253 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7254 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7255 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7256 } 7257 } 7258 7259 // TODO: extend to support forward-locked splits 7260 String resourcePath = null; 7261 String baseResourcePath = null; 7262 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7263 if (ps != null && ps.resourcePathString != null) { 7264 resourcePath = ps.resourcePathString; 7265 baseResourcePath = ps.resourcePathString; 7266 } else { 7267 // Should not happen at all. Just log an error. 7268 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7269 } 7270 } else { 7271 resourcePath = pkg.codePath; 7272 baseResourcePath = pkg.baseCodePath; 7273 } 7274 7275 // Set application objects path explicitly. 7276 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7277 pkg.setApplicationInfoCodePath(pkg.codePath); 7278 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7279 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7280 pkg.setApplicationInfoResourcePath(resourcePath); 7281 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7282 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7283 7284 // Note that we invoke the following method only if we are about to unpack an application 7285 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7286 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7287 7288 /* 7289 * If the system app should be overridden by a previously installed 7290 * data, hide the system app now and let the /data/app scan pick it up 7291 * again. 7292 */ 7293 if (shouldHideSystemApp) { 7294 synchronized (mPackages) { 7295 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7296 } 7297 } 7298 7299 return scannedPkg; 7300 } 7301 7302 private static String fixProcessName(String defProcessName, 7303 String processName) { 7304 if (processName == null) { 7305 return defProcessName; 7306 } 7307 return processName; 7308 } 7309 7310 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7311 throws PackageManagerException { 7312 if (pkgSetting.signatures.mSignatures != null) { 7313 // Already existing package. Make sure signatures match 7314 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7315 == PackageManager.SIGNATURE_MATCH; 7316 if (!match) { 7317 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7318 == PackageManager.SIGNATURE_MATCH; 7319 } 7320 if (!match) { 7321 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7322 == PackageManager.SIGNATURE_MATCH; 7323 } 7324 if (!match) { 7325 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7326 + pkg.packageName + " signatures do not match the " 7327 + "previously installed version; ignoring!"); 7328 } 7329 } 7330 7331 // Check for shared user signatures 7332 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7333 // Already existing package. Make sure signatures match 7334 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7335 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7336 if (!match) { 7337 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7338 == PackageManager.SIGNATURE_MATCH; 7339 } 7340 if (!match) { 7341 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7342 == PackageManager.SIGNATURE_MATCH; 7343 } 7344 if (!match) { 7345 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7346 "Package " + pkg.packageName 7347 + " has no signatures that match those in shared user " 7348 + pkgSetting.sharedUser.name + "; ignoring!"); 7349 } 7350 } 7351 } 7352 7353 /** 7354 * Enforces that only the system UID or root's UID can call a method exposed 7355 * via Binder. 7356 * 7357 * @param message used as message if SecurityException is thrown 7358 * @throws SecurityException if the caller is not system or root 7359 */ 7360 private static final void enforceSystemOrRoot(String message) { 7361 final int uid = Binder.getCallingUid(); 7362 if (uid != Process.SYSTEM_UID && uid != 0) { 7363 throw new SecurityException(message); 7364 } 7365 } 7366 7367 @Override 7368 public void performFstrimIfNeeded() { 7369 enforceSystemOrRoot("Only the system can request fstrim"); 7370 7371 // Before everything else, see whether we need to fstrim. 7372 try { 7373 IStorageManager sm = PackageHelper.getStorageManager(); 7374 if (sm != null) { 7375 boolean doTrim = false; 7376 final long interval = android.provider.Settings.Global.getLong( 7377 mContext.getContentResolver(), 7378 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7379 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7380 if (interval > 0) { 7381 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 7382 if (timeSinceLast > interval) { 7383 doTrim = true; 7384 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7385 + "; running immediately"); 7386 } 7387 } 7388 if (doTrim) { 7389 final boolean dexOptDialogShown; 7390 synchronized (mPackages) { 7391 dexOptDialogShown = mDexOptDialogShown; 7392 } 7393 if (!isFirstBoot() && dexOptDialogShown) { 7394 try { 7395 ActivityManager.getService().showBootMessage( 7396 mContext.getResources().getString( 7397 R.string.android_upgrading_fstrim), true); 7398 } catch (RemoteException e) { 7399 } 7400 } 7401 sm.runMaintenance(); 7402 } 7403 } else { 7404 Slog.e(TAG, "storageManager service unavailable!"); 7405 } 7406 } catch (RemoteException e) { 7407 // Can't happen; StorageManagerService is local 7408 } 7409 } 7410 7411 @Override 7412 public void updatePackagesIfNeeded() { 7413 enforceSystemOrRoot("Only the system can request package update"); 7414 7415 // We need to re-extract after an OTA. 7416 boolean causeUpgrade = isUpgrade(); 7417 7418 // First boot or factory reset. 7419 // Note: we also handle devices that are upgrading to N right now as if it is their 7420 // first boot, as they do not have profile data. 7421 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7422 7423 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7424 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7425 7426 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7427 return; 7428 } 7429 7430 List<PackageParser.Package> pkgs; 7431 synchronized (mPackages) { 7432 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7433 } 7434 7435 final long startTime = System.nanoTime(); 7436 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7437 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7438 7439 final int elapsedTimeSeconds = 7440 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7441 7442 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7443 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7444 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7445 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7446 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7447 } 7448 7449 /** 7450 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7451 * containing statistics about the invocation. The array consists of three elements, 7452 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7453 * and {@code numberOfPackagesFailed}. 7454 */ 7455 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7456 String compilerFilter) { 7457 7458 int numberOfPackagesVisited = 0; 7459 int numberOfPackagesOptimized = 0; 7460 int numberOfPackagesSkipped = 0; 7461 int numberOfPackagesFailed = 0; 7462 final int numberOfPackagesToDexopt = pkgs.size(); 7463 7464 for (PackageParser.Package pkg : pkgs) { 7465 numberOfPackagesVisited++; 7466 7467 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7468 if (DEBUG_DEXOPT) { 7469 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7470 } 7471 numberOfPackagesSkipped++; 7472 continue; 7473 } 7474 7475 if (DEBUG_DEXOPT) { 7476 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7477 numberOfPackagesToDexopt + ": " + pkg.packageName); 7478 } 7479 7480 if (showDialog) { 7481 try { 7482 ActivityManager.getService().showBootMessage( 7483 mContext.getResources().getString(R.string.android_upgrading_apk, 7484 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7485 } catch (RemoteException e) { 7486 } 7487 synchronized (mPackages) { 7488 mDexOptDialogShown = true; 7489 } 7490 } 7491 7492 // If the OTA updates a system app which was previously preopted to a non-preopted state 7493 // the app might end up being verified at runtime. That's because by default the apps 7494 // are verify-profile but for preopted apps there's no profile. 7495 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7496 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7497 // filter (by default interpret-only). 7498 // Note that at this stage unused apps are already filtered. 7499 if (isSystemApp(pkg) && 7500 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7501 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7502 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7503 } 7504 7505 // If the OTA updates a system app which was previously preopted to a non-preopted state 7506 // the app might end up being verified at runtime. That's because by default the apps 7507 // are verify-profile but for preopted apps there's no profile. 7508 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7509 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7510 // filter (by default interpret-only). 7511 // Note that at this stage unused apps are already filtered. 7512 if (isSystemApp(pkg) && 7513 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7514 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7515 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7516 } 7517 7518 // checkProfiles is false to avoid merging profiles during boot which 7519 // might interfere with background compilation (b/28612421). 7520 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7521 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7522 // trade-off worth doing to save boot time work. 7523 int dexOptStatus = performDexOptTraced(pkg.packageName, 7524 false /* checkProfiles */, 7525 compilerFilter, 7526 false /* force */); 7527 switch (dexOptStatus) { 7528 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7529 numberOfPackagesOptimized++; 7530 break; 7531 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7532 numberOfPackagesSkipped++; 7533 break; 7534 case PackageDexOptimizer.DEX_OPT_FAILED: 7535 numberOfPackagesFailed++; 7536 break; 7537 default: 7538 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7539 break; 7540 } 7541 } 7542 7543 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7544 numberOfPackagesFailed }; 7545 } 7546 7547 @Override 7548 public void notifyPackageUse(String packageName, int reason) { 7549 synchronized (mPackages) { 7550 PackageParser.Package p = mPackages.get(packageName); 7551 if (p == null) { 7552 return; 7553 } 7554 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7555 } 7556 } 7557 7558 // TODO: this is not used nor needed. Delete it. 7559 @Override 7560 public boolean performDexOptIfNeeded(String packageName) { 7561 int dexOptStatus = performDexOptTraced(packageName, 7562 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7563 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7564 } 7565 7566 @Override 7567 public boolean performDexOpt(String packageName, 7568 boolean checkProfiles, int compileReason, boolean force) { 7569 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7570 getCompilerFilterForReason(compileReason), force); 7571 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7572 } 7573 7574 @Override 7575 public boolean performDexOptMode(String packageName, 7576 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7577 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7578 targetCompilerFilter, force); 7579 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7580 } 7581 7582 private int performDexOptTraced(String packageName, 7583 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7584 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7585 try { 7586 return performDexOptInternal(packageName, checkProfiles, 7587 targetCompilerFilter, force); 7588 } finally { 7589 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7590 } 7591 } 7592 7593 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7594 // if the package can now be considered up to date for the given filter. 7595 private int performDexOptInternal(String packageName, 7596 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7597 PackageParser.Package p; 7598 synchronized (mPackages) { 7599 p = mPackages.get(packageName); 7600 if (p == null) { 7601 // Package could not be found. Report failure. 7602 return PackageDexOptimizer.DEX_OPT_FAILED; 7603 } 7604 mPackageUsage.maybeWriteAsync(mPackages); 7605 mCompilerStats.maybeWriteAsync(); 7606 } 7607 long callingId = Binder.clearCallingIdentity(); 7608 try { 7609 synchronized (mInstallLock) { 7610 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7611 targetCompilerFilter, force); 7612 } 7613 } finally { 7614 Binder.restoreCallingIdentity(callingId); 7615 } 7616 } 7617 7618 public ArraySet<String> getOptimizablePackages() { 7619 ArraySet<String> pkgs = new ArraySet<String>(); 7620 synchronized (mPackages) { 7621 for (PackageParser.Package p : mPackages.values()) { 7622 if (PackageDexOptimizer.canOptimizePackage(p)) { 7623 pkgs.add(p.packageName); 7624 } 7625 } 7626 } 7627 return pkgs; 7628 } 7629 7630 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7631 boolean checkProfiles, String targetCompilerFilter, 7632 boolean force) { 7633 // Select the dex optimizer based on the force parameter. 7634 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7635 // allocate an object here. 7636 PackageDexOptimizer pdo = force 7637 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7638 : mPackageDexOptimizer; 7639 7640 // Optimize all dependencies first. Note: we ignore the return value and march on 7641 // on errors. 7642 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7643 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7644 if (!deps.isEmpty()) { 7645 for (PackageParser.Package depPackage : deps) { 7646 // TODO: Analyze and investigate if we (should) profile libraries. 7647 // Currently this will do a full compilation of the library by default. 7648 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7649 false /* checkProfiles */, 7650 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7651 getOrCreateCompilerPackageStats(depPackage)); 7652 } 7653 } 7654 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7655 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7656 } 7657 7658 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7659 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7660 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7661 Set<String> collectedNames = new HashSet<>(); 7662 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7663 7664 retValue.remove(p); 7665 7666 return retValue; 7667 } else { 7668 return Collections.emptyList(); 7669 } 7670 } 7671 7672 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7673 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7674 if (!collectedNames.contains(p.packageName)) { 7675 collectedNames.add(p.packageName); 7676 collected.add(p); 7677 7678 if (p.usesLibraries != null) { 7679 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7680 } 7681 if (p.usesOptionalLibraries != null) { 7682 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7683 collectedNames); 7684 } 7685 } 7686 } 7687 7688 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7689 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7690 for (String libName : libs) { 7691 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7692 if (libPkg != null) { 7693 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7694 } 7695 } 7696 } 7697 7698 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7699 synchronized (mPackages) { 7700 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7701 if (lib != null && lib.apk != null) { 7702 return mPackages.get(lib.apk); 7703 } 7704 } 7705 return null; 7706 } 7707 7708 public void shutdown() { 7709 mPackageUsage.writeNow(mPackages); 7710 mCompilerStats.writeNow(); 7711 } 7712 7713 @Override 7714 public void dumpProfiles(String packageName) { 7715 PackageParser.Package pkg; 7716 synchronized (mPackages) { 7717 pkg = mPackages.get(packageName); 7718 if (pkg == null) { 7719 throw new IllegalArgumentException("Unknown package: " + packageName); 7720 } 7721 } 7722 /* Only the shell, root, or the app user should be able to dump profiles. */ 7723 int callingUid = Binder.getCallingUid(); 7724 if (callingUid != Process.SHELL_UID && 7725 callingUid != Process.ROOT_UID && 7726 callingUid != pkg.applicationInfo.uid) { 7727 throw new SecurityException("dumpProfiles"); 7728 } 7729 7730 synchronized (mInstallLock) { 7731 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7732 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7733 try { 7734 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7735 String gid = Integer.toString(sharedGid); 7736 String codePaths = TextUtils.join(";", allCodePaths); 7737 mInstaller.dumpProfiles(gid, packageName, codePaths); 7738 } catch (InstallerException e) { 7739 Slog.w(TAG, "Failed to dump profiles", e); 7740 } 7741 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7742 } 7743 } 7744 7745 @Override 7746 public void forceDexOpt(String packageName) { 7747 enforceSystemOrRoot("forceDexOpt"); 7748 7749 PackageParser.Package pkg; 7750 synchronized (mPackages) { 7751 pkg = mPackages.get(packageName); 7752 if (pkg == null) { 7753 throw new IllegalArgumentException("Unknown package: " + packageName); 7754 } 7755 } 7756 7757 synchronized (mInstallLock) { 7758 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7759 7760 // Whoever is calling forceDexOpt wants a fully compiled package. 7761 // Don't use profiles since that may cause compilation to be skipped. 7762 final int res = performDexOptInternalWithDependenciesLI(pkg, 7763 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7764 true /* force */); 7765 7766 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7767 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7768 throw new IllegalStateException("Failed to dexopt: " + res); 7769 } 7770 } 7771 } 7772 7773 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7774 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7775 Slog.w(TAG, "Unable to update from " + oldPkg.name 7776 + " to " + newPkg.packageName 7777 + ": old package not in system partition"); 7778 return false; 7779 } else if (mPackages.get(oldPkg.name) != null) { 7780 Slog.w(TAG, "Unable to update from " + oldPkg.name 7781 + " to " + newPkg.packageName 7782 + ": old package still exists"); 7783 return false; 7784 } 7785 return true; 7786 } 7787 7788 void removeCodePathLI(File codePath) { 7789 if (codePath.isDirectory()) { 7790 try { 7791 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7792 } catch (InstallerException e) { 7793 Slog.w(TAG, "Failed to remove code path", e); 7794 } 7795 } else { 7796 codePath.delete(); 7797 } 7798 } 7799 7800 private int[] resolveUserIds(int userId) { 7801 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7802 } 7803 7804 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7805 if (pkg == null) { 7806 Slog.wtf(TAG, "Package was null!", new Throwable()); 7807 return; 7808 } 7809 clearAppDataLeafLIF(pkg, userId, flags); 7810 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7811 for (int i = 0; i < childCount; i++) { 7812 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7813 } 7814 } 7815 7816 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7817 final PackageSetting ps; 7818 synchronized (mPackages) { 7819 ps = mSettings.mPackages.get(pkg.packageName); 7820 } 7821 for (int realUserId : resolveUserIds(userId)) { 7822 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7823 try { 7824 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7825 ceDataInode); 7826 } catch (InstallerException e) { 7827 Slog.w(TAG, String.valueOf(e)); 7828 } 7829 } 7830 } 7831 7832 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7833 if (pkg == null) { 7834 Slog.wtf(TAG, "Package was null!", new Throwable()); 7835 return; 7836 } 7837 destroyAppDataLeafLIF(pkg, userId, flags); 7838 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7839 for (int i = 0; i < childCount; i++) { 7840 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7841 } 7842 } 7843 7844 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7845 final PackageSetting ps; 7846 synchronized (mPackages) { 7847 ps = mSettings.mPackages.get(pkg.packageName); 7848 } 7849 for (int realUserId : resolveUserIds(userId)) { 7850 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7851 try { 7852 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7853 ceDataInode); 7854 } catch (InstallerException e) { 7855 Slog.w(TAG, String.valueOf(e)); 7856 } 7857 } 7858 } 7859 7860 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7861 if (pkg == null) { 7862 Slog.wtf(TAG, "Package was null!", new Throwable()); 7863 return; 7864 } 7865 destroyAppProfilesLeafLIF(pkg); 7866 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7867 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7868 for (int i = 0; i < childCount; i++) { 7869 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7870 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7871 true /* removeBaseMarker */); 7872 } 7873 } 7874 7875 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7876 boolean removeBaseMarker) { 7877 if (pkg.isForwardLocked()) { 7878 return; 7879 } 7880 7881 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7882 try { 7883 path = PackageManagerServiceUtils.realpath(new File(path)); 7884 } catch (IOException e) { 7885 // TODO: Should we return early here ? 7886 Slog.w(TAG, "Failed to get canonical path", e); 7887 continue; 7888 } 7889 7890 final String useMarker = path.replace('/', '@'); 7891 for (int realUserId : resolveUserIds(userId)) { 7892 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7893 if (removeBaseMarker) { 7894 File foreignUseMark = new File(profileDir, useMarker); 7895 if (foreignUseMark.exists()) { 7896 if (!foreignUseMark.delete()) { 7897 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7898 + pkg.packageName); 7899 } 7900 } 7901 } 7902 7903 File[] markers = profileDir.listFiles(); 7904 if (markers != null) { 7905 final String searchString = "@" + pkg.packageName + "@"; 7906 // We also delete all markers that contain the package name we're 7907 // uninstalling. These are associated with secondary dex-files belonging 7908 // to the package. Reconstructing the path of these dex files is messy 7909 // in general. 7910 for (File marker : markers) { 7911 if (marker.getName().indexOf(searchString) > 0) { 7912 if (!marker.delete()) { 7913 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7914 + pkg.packageName); 7915 } 7916 } 7917 } 7918 } 7919 } 7920 } 7921 } 7922 7923 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7924 try { 7925 mInstaller.destroyAppProfiles(pkg.packageName); 7926 } catch (InstallerException e) { 7927 Slog.w(TAG, String.valueOf(e)); 7928 } 7929 } 7930 7931 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7932 if (pkg == null) { 7933 Slog.wtf(TAG, "Package was null!", new Throwable()); 7934 return; 7935 } 7936 clearAppProfilesLeafLIF(pkg); 7937 // We don't remove the base foreign use marker when clearing profiles because 7938 // we will rename it when the app is updated. Unlike the actual profile contents, 7939 // the foreign use marker is good across installs. 7940 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7941 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7942 for (int i = 0; i < childCount; i++) { 7943 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7944 } 7945 } 7946 7947 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7948 try { 7949 mInstaller.clearAppProfiles(pkg.packageName); 7950 } catch (InstallerException e) { 7951 Slog.w(TAG, String.valueOf(e)); 7952 } 7953 } 7954 7955 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7956 long lastUpdateTime) { 7957 // Set parent install/update time 7958 PackageSetting ps = (PackageSetting) pkg.mExtras; 7959 if (ps != null) { 7960 ps.firstInstallTime = firstInstallTime; 7961 ps.lastUpdateTime = lastUpdateTime; 7962 } 7963 // Set children install/update time 7964 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7965 for (int i = 0; i < childCount; i++) { 7966 PackageParser.Package childPkg = pkg.childPackages.get(i); 7967 ps = (PackageSetting) childPkg.mExtras; 7968 if (ps != null) { 7969 ps.firstInstallTime = firstInstallTime; 7970 ps.lastUpdateTime = lastUpdateTime; 7971 } 7972 } 7973 } 7974 7975 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7976 PackageParser.Package changingLib) { 7977 if (file.path != null) { 7978 usesLibraryFiles.add(file.path); 7979 return; 7980 } 7981 PackageParser.Package p = mPackages.get(file.apk); 7982 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7983 // If we are doing this while in the middle of updating a library apk, 7984 // then we need to make sure to use that new apk for determining the 7985 // dependencies here. (We haven't yet finished committing the new apk 7986 // to the package manager state.) 7987 if (p == null || p.packageName.equals(changingLib.packageName)) { 7988 p = changingLib; 7989 } 7990 } 7991 if (p != null) { 7992 usesLibraryFiles.addAll(p.getAllCodePaths()); 7993 } 7994 } 7995 7996 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 7997 PackageParser.Package changingLib) throws PackageManagerException { 7998 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7999 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 8000 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 8001 for (int i=0; i<N; i++) { 8002 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 8003 if (file == null) { 8004 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8005 "Package " + pkg.packageName + " requires unavailable shared library " 8006 + pkg.usesLibraries.get(i) + "; failing!"); 8007 } 8008 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 8009 } 8010 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 8011 for (int i=0; i<N; i++) { 8012 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 8013 if (file == null) { 8014 Slog.w(TAG, "Package " + pkg.packageName 8015 + " desires unavailable shared library " 8016 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 8017 } else { 8018 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 8019 } 8020 } 8021 N = usesLibraryFiles.size(); 8022 if (N > 0) { 8023 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 8024 } else { 8025 pkg.usesLibraryFiles = null; 8026 } 8027 } 8028 } 8029 8030 private static boolean hasString(List<String> list, List<String> which) { 8031 if (list == null) { 8032 return false; 8033 } 8034 for (int i=list.size()-1; i>=0; i--) { 8035 for (int j=which.size()-1; j>=0; j--) { 8036 if (which.get(j).equals(list.get(i))) { 8037 return true; 8038 } 8039 } 8040 } 8041 return false; 8042 } 8043 8044 private void updateAllSharedLibrariesLPw() { 8045 for (PackageParser.Package pkg : mPackages.values()) { 8046 try { 8047 updateSharedLibrariesLPr(pkg, null); 8048 } catch (PackageManagerException e) { 8049 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8050 } 8051 } 8052 } 8053 8054 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8055 PackageParser.Package changingPkg) { 8056 ArrayList<PackageParser.Package> res = null; 8057 for (PackageParser.Package pkg : mPackages.values()) { 8058 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 8059 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 8060 if (res == null) { 8061 res = new ArrayList<PackageParser.Package>(); 8062 } 8063 res.add(pkg); 8064 try { 8065 updateSharedLibrariesLPr(pkg, changingPkg); 8066 } catch (PackageManagerException e) { 8067 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8068 } 8069 } 8070 } 8071 return res; 8072 } 8073 8074 /** 8075 * Derive the value of the {@code cpuAbiOverride} based on the provided 8076 * value and an optional stored value from the package settings. 8077 */ 8078 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8079 String cpuAbiOverride = null; 8080 8081 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8082 cpuAbiOverride = null; 8083 } else if (abiOverride != null) { 8084 cpuAbiOverride = abiOverride; 8085 } else if (settings != null) { 8086 cpuAbiOverride = settings.cpuAbiOverrideString; 8087 } 8088 8089 return cpuAbiOverride; 8090 } 8091 8092 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8093 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 8094 throws PackageManagerException { 8095 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8096 // If the package has children and this is the first dive in the function 8097 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 8098 // whether all packages (parent and children) would be successfully scanned 8099 // before the actual scan since scanning mutates internal state and we want 8100 // to atomically install the package and its children. 8101 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8102 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8103 scanFlags |= SCAN_CHECK_ONLY; 8104 } 8105 } else { 8106 scanFlags &= ~SCAN_CHECK_ONLY; 8107 } 8108 8109 final PackageParser.Package scannedPkg; 8110 try { 8111 // Scan the parent 8112 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 8113 // Scan the children 8114 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8115 for (int i = 0; i < childCount; i++) { 8116 PackageParser.Package childPkg = pkg.childPackages.get(i); 8117 scanPackageLI(childPkg, policyFlags, 8118 scanFlags, currentTime, user); 8119 } 8120 } finally { 8121 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8122 } 8123 8124 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8125 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 8126 } 8127 8128 return scannedPkg; 8129 } 8130 8131 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 8132 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8133 boolean success = false; 8134 try { 8135 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 8136 currentTime, user); 8137 success = true; 8138 return res; 8139 } finally { 8140 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 8141 // DELETE_DATA_ON_FAILURES is only used by frozen paths 8142 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 8143 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 8144 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 8145 } 8146 } 8147 } 8148 8149 /** 8150 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 8151 */ 8152 private static boolean apkHasCode(String fileName) { 8153 StrictJarFile jarFile = null; 8154 try { 8155 jarFile = new StrictJarFile(fileName, 8156 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8157 return jarFile.findEntry("classes.dex") != null; 8158 } catch (IOException ignore) { 8159 } finally { 8160 try { 8161 if (jarFile != null) { 8162 jarFile.close(); 8163 } 8164 } catch (IOException ignore) {} 8165 } 8166 return false; 8167 } 8168 8169 /** 8170 * Enforces code policy for the package. This ensures that if an APK has 8171 * declared hasCode="true" in its manifest that the APK actually contains 8172 * code. 8173 * 8174 * @throws PackageManagerException If bytecode could not be found when it should exist 8175 */ 8176 private static void assertCodePolicy(PackageParser.Package pkg) 8177 throws PackageManagerException { 8178 final boolean shouldHaveCode = 8179 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8180 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8181 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8182 "Package " + pkg.baseCodePath + " code is missing"); 8183 } 8184 8185 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8186 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8187 final boolean splitShouldHaveCode = 8188 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8189 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8190 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8191 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8192 } 8193 } 8194 } 8195 } 8196 8197 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8198 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8199 throws PackageManagerException { 8200 if (DEBUG_PACKAGE_SCANNING) { 8201 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8202 Log.d(TAG, "Scanning package " + pkg.packageName); 8203 } 8204 8205 applyPolicy(pkg, policyFlags); 8206 8207 assertPackageIsValid(pkg, policyFlags, scanFlags); 8208 8209 // Initialize package source and resource directories 8210 final File scanFile = new File(pkg.codePath); 8211 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8212 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8213 8214 SharedUserSetting suid = null; 8215 PackageSetting pkgSetting = null; 8216 8217 // Getting the package setting may have a side-effect, so if we 8218 // are only checking if scan would succeed, stash a copy of the 8219 // old setting to restore at the end. 8220 PackageSetting nonMutatedPs = null; 8221 8222 // We keep references to the derived CPU Abis from settings in oder to reuse 8223 // them in the case where we're not upgrading or booting for the first time. 8224 String primaryCpuAbiFromSettings = null; 8225 String secondaryCpuAbiFromSettings = null; 8226 8227 // writer 8228 synchronized (mPackages) { 8229 if (pkg.mSharedUserId != null) { 8230 // SIDE EFFECTS; may potentially allocate a new shared user 8231 suid = mSettings.getSharedUserLPw( 8232 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 8233 if (DEBUG_PACKAGE_SCANNING) { 8234 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8235 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8236 + "): packages=" + suid.packages); 8237 } 8238 } 8239 8240 // Check if we are renaming from an original package name. 8241 PackageSetting origPackage = null; 8242 String realName = null; 8243 if (pkg.mOriginalPackages != null) { 8244 // This package may need to be renamed to a previously 8245 // installed name. Let's check on that... 8246 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8247 if (pkg.mOriginalPackages.contains(renamed)) { 8248 // This package had originally been installed as the 8249 // original name, and we have already taken care of 8250 // transitioning to the new one. Just update the new 8251 // one to continue using the old name. 8252 realName = pkg.mRealPackage; 8253 if (!pkg.packageName.equals(renamed)) { 8254 // Callers into this function may have already taken 8255 // care of renaming the package; only do it here if 8256 // it is not already done. 8257 pkg.setPackageName(renamed); 8258 } 8259 } else { 8260 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8261 if ((origPackage = mSettings.getPackageLPr( 8262 pkg.mOriginalPackages.get(i))) != null) { 8263 // We do have the package already installed under its 8264 // original name... should we use it? 8265 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8266 // New package is not compatible with original. 8267 origPackage = null; 8268 continue; 8269 } else if (origPackage.sharedUser != null) { 8270 // Make sure uid is compatible between packages. 8271 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8272 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8273 + " to " + pkg.packageName + ": old uid " 8274 + origPackage.sharedUser.name 8275 + " differs from " + pkg.mSharedUserId); 8276 origPackage = null; 8277 continue; 8278 } 8279 // TODO: Add case when shared user id is added [b/28144775] 8280 } else { 8281 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8282 + pkg.packageName + " to old name " + origPackage.name); 8283 } 8284 break; 8285 } 8286 } 8287 } 8288 } 8289 8290 if (mTransferedPackages.contains(pkg.packageName)) { 8291 Slog.w(TAG, "Package " + pkg.packageName 8292 + " was transferred to another, but its .apk remains"); 8293 } 8294 8295 // See comments in nonMutatedPs declaration 8296 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8297 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 8298 if (foundPs != null) { 8299 nonMutatedPs = new PackageSetting(foundPs); 8300 } 8301 } 8302 8303 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 8304 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 8305 if (foundPs != null) { 8306 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 8307 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 8308 } 8309 } 8310 8311 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 8312 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 8313 PackageManagerService.reportSettingsProblem(Log.WARN, 8314 "Package " + pkg.packageName + " shared user changed from " 8315 + (pkgSetting.sharedUser != null 8316 ? pkgSetting.sharedUser.name : "<nothing>") 8317 + " to " 8318 + (suid != null ? suid.name : "<nothing>") 8319 + "; replacing with new"); 8320 pkgSetting = null; 8321 } 8322 final PackageSetting oldPkgSetting = 8323 pkgSetting == null ? null : new PackageSetting(pkgSetting); 8324 final PackageSetting disabledPkgSetting = 8325 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8326 if (pkgSetting == null) { 8327 final String parentPackageName = (pkg.parentPackage != null) 8328 ? pkg.parentPackage.packageName : null; 8329 // REMOVE SharedUserSetting from method; update in a separate call 8330 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 8331 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 8332 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 8333 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 8334 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 8335 true /*allowInstall*/, parentPackageName, pkg.getChildPackageNames(), 8336 UserManagerService.getInstance()); 8337 // SIDE EFFECTS; updates system state; move elsewhere 8338 if (origPackage != null) { 8339 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 8340 } 8341 mSettings.addUserToSettingLPw(pkgSetting); 8342 } else { 8343 // REMOVE SharedUserSetting from method; update in a separate call. 8344 // 8345 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 8346 // secondaryCpuAbi are not known at this point so we always update them 8347 // to null here, only to reset them at a later point. 8348 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 8349 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 8350 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 8351 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 8352 UserManagerService.getInstance()); 8353 } 8354 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 8355 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 8356 8357 // SIDE EFFECTS; modifies system state; move elsewhere 8358 if (pkgSetting.origPackage != null) { 8359 // If we are first transitioning from an original package, 8360 // fix up the new package's name now. We need to do this after 8361 // looking up the package under its new name, so getPackageLP 8362 // can take care of fiddling things correctly. 8363 pkg.setPackageName(origPackage.name); 8364 8365 // File a report about this. 8366 String msg = "New package " + pkgSetting.realName 8367 + " renamed to replace old package " + pkgSetting.name; 8368 reportSettingsProblem(Log.WARN, msg); 8369 8370 // Make a note of it. 8371 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8372 mTransferedPackages.add(origPackage.name); 8373 } 8374 8375 // No longer need to retain this. 8376 pkgSetting.origPackage = null; 8377 } 8378 8379 // SIDE EFFECTS; modifies system state; move elsewhere 8380 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8381 // Make a note of it. 8382 mTransferedPackages.add(pkg.packageName); 8383 } 8384 8385 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8386 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8387 } 8388 8389 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8390 // Check all shared libraries and map to their actual file path. 8391 // We only do this here for apps not on a system dir, because those 8392 // are the only ones that can fail an install due to this. We 8393 // will take care of the system apps by updating all of their 8394 // library paths after the scan is done. 8395 updateSharedLibrariesLPr(pkg, null); 8396 } 8397 8398 if (mFoundPolicyFile) { 8399 SELinuxMMAC.assignSeinfoValue(pkg); 8400 } 8401 8402 pkg.applicationInfo.uid = pkgSetting.appId; 8403 pkg.mExtras = pkgSetting; 8404 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8405 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8406 // We just determined the app is signed correctly, so bring 8407 // over the latest parsed certs. 8408 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8409 } else { 8410 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8411 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8412 "Package " + pkg.packageName + " upgrade keys do not match the " 8413 + "previously installed version"); 8414 } else { 8415 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8416 String msg = "System package " + pkg.packageName 8417 + " signature changed; retaining data."; 8418 reportSettingsProblem(Log.WARN, msg); 8419 } 8420 } 8421 } else { 8422 try { 8423 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 8424 verifySignaturesLP(pkgSetting, pkg); 8425 // We just determined the app is signed correctly, so bring 8426 // over the latest parsed certs. 8427 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8428 } catch (PackageManagerException e) { 8429 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8430 throw e; 8431 } 8432 // The signature has changed, but this package is in the system 8433 // image... let's recover! 8434 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8435 // However... if this package is part of a shared user, but it 8436 // doesn't match the signature of the shared user, let's fail. 8437 // What this means is that you can't change the signatures 8438 // associated with an overall shared user, which doesn't seem all 8439 // that unreasonable. 8440 if (pkgSetting.sharedUser != null) { 8441 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8442 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8443 throw new PackageManagerException( 8444 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8445 "Signature mismatch for shared user: " 8446 + pkgSetting.sharedUser); 8447 } 8448 } 8449 // File a report about this. 8450 String msg = "System package " + pkg.packageName 8451 + " signature changed; retaining data."; 8452 reportSettingsProblem(Log.WARN, msg); 8453 } 8454 } 8455 8456 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8457 // This package wants to adopt ownership of permissions from 8458 // another package. 8459 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8460 final String origName = pkg.mAdoptPermissions.get(i); 8461 final PackageSetting orig = mSettings.getPackageLPr(origName); 8462 if (orig != null) { 8463 if (verifyPackageUpdateLPr(orig, pkg)) { 8464 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8465 + pkg.packageName); 8466 // SIDE EFFECTS; updates permissions system state; move elsewhere 8467 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8468 } 8469 } 8470 } 8471 } 8472 } 8473 8474 pkg.applicationInfo.processName = fixProcessName( 8475 pkg.applicationInfo.packageName, 8476 pkg.applicationInfo.processName); 8477 8478 if (pkg != mPlatformPackage) { 8479 // Get all of our default paths setup 8480 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8481 } 8482 8483 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8484 8485 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8486 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 8487 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 8488 derivePackageAbi( 8489 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 8490 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8491 8492 // Some system apps still use directory structure for native libraries 8493 // in which case we might end up not detecting abi solely based on apk 8494 // structure. Try to detect abi based on directory structure. 8495 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8496 pkg.applicationInfo.primaryCpuAbi == null) { 8497 setBundledAppAbisAndRoots(pkg, pkgSetting); 8498 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8499 } 8500 } else { 8501 // This is not a first boot or an upgrade, don't bother deriving the 8502 // ABI during the scan. Instead, trust the value that was stored in the 8503 // package setting. 8504 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 8505 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 8506 8507 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8508 8509 if (DEBUG_ABI_SELECTION) { 8510 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 8511 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 8512 pkg.applicationInfo.secondaryCpuAbi); 8513 } 8514 } 8515 } else { 8516 if ((scanFlags & SCAN_MOVE) != 0) { 8517 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8518 // but we already have this packages package info in the PackageSetting. We just 8519 // use that and derive the native library path based on the new codepath. 8520 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8521 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8522 } 8523 8524 // Set native library paths again. For moves, the path will be updated based on the 8525 // ABIs we've determined above. For non-moves, the path will be updated based on the 8526 // ABIs we determined during compilation, but the path will depend on the final 8527 // package path (after the rename away from the stage path). 8528 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8529 } 8530 8531 // This is a special case for the "system" package, where the ABI is 8532 // dictated by the zygote configuration (and init.rc). We should keep track 8533 // of this ABI so that we can deal with "normal" applications that run under 8534 // the same UID correctly. 8535 if (mPlatformPackage == pkg) { 8536 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8537 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8538 } 8539 8540 // If there's a mismatch between the abi-override in the package setting 8541 // and the abiOverride specified for the install. Warn about this because we 8542 // would've already compiled the app without taking the package setting into 8543 // account. 8544 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8545 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8546 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8547 " for package " + pkg.packageName); 8548 } 8549 } 8550 8551 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8552 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8553 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8554 8555 // Copy the derived override back to the parsed package, so that we can 8556 // update the package settings accordingly. 8557 pkg.cpuAbiOverride = cpuAbiOverride; 8558 8559 if (DEBUG_ABI_SELECTION) { 8560 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8561 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8562 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8563 } 8564 8565 // Push the derived path down into PackageSettings so we know what to 8566 // clean up at uninstall time. 8567 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8568 8569 if (DEBUG_ABI_SELECTION) { 8570 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8571 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8572 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8573 } 8574 8575 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 8576 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8577 // We don't do this here during boot because we can do it all 8578 // at once after scanning all existing packages. 8579 // 8580 // We also do this *before* we perform dexopt on this package, so that 8581 // we can avoid redundant dexopts, and also to make sure we've got the 8582 // code and package path correct. 8583 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 8584 } 8585 8586 if (mFactoryTest && pkg.requestedPermissions.contains( 8587 android.Manifest.permission.FACTORY_TEST)) { 8588 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8589 } 8590 8591 if (isSystemApp(pkg)) { 8592 pkgSetting.isOrphaned = true; 8593 } 8594 8595 // Take care of first install / last update times. 8596 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8597 if (currentTime != 0) { 8598 if (pkgSetting.firstInstallTime == 0) { 8599 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8600 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 8601 pkgSetting.lastUpdateTime = currentTime; 8602 } 8603 } else if (pkgSetting.firstInstallTime == 0) { 8604 // We need *something*. Take time time stamp of the file. 8605 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8606 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8607 if (scanFileTime != pkgSetting.timeStamp) { 8608 // A package on the system image has changed; consider this 8609 // to be an update. 8610 pkgSetting.lastUpdateTime = scanFileTime; 8611 } 8612 } 8613 pkgSetting.setTimeStamp(scanFileTime); 8614 8615 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8616 if (nonMutatedPs != null) { 8617 synchronized (mPackages) { 8618 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8619 } 8620 } 8621 } else { 8622 // Modify state for the given package setting 8623 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 8624 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 8625 } 8626 return pkg; 8627 } 8628 8629 /** 8630 * Applies policy to the parsed package based upon the given policy flags. 8631 * Ensures the package is in a good state. 8632 * <p> 8633 * Implementation detail: This method must NOT have any side effect. It would 8634 * ideally be static, but, it requires locks to read system state. 8635 */ 8636 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 8637 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8638 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8639 if (pkg.applicationInfo.isDirectBootAware()) { 8640 // we're direct boot aware; set for all components 8641 for (PackageParser.Service s : pkg.services) { 8642 s.info.encryptionAware = s.info.directBootAware = true; 8643 } 8644 for (PackageParser.Provider p : pkg.providers) { 8645 p.info.encryptionAware = p.info.directBootAware = true; 8646 } 8647 for (PackageParser.Activity a : pkg.activities) { 8648 a.info.encryptionAware = a.info.directBootAware = true; 8649 } 8650 for (PackageParser.Activity r : pkg.receivers) { 8651 r.info.encryptionAware = r.info.directBootAware = true; 8652 } 8653 } 8654 } else { 8655 // Only allow system apps to be flagged as core apps. 8656 pkg.coreApp = false; 8657 // clear flags not applicable to regular apps 8658 pkg.applicationInfo.privateFlags &= 8659 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8660 pkg.applicationInfo.privateFlags &= 8661 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8662 } 8663 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8664 8665 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8666 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8667 } 8668 8669 if (!isSystemApp(pkg)) { 8670 // Only system apps can use these features. 8671 pkg.mOriginalPackages = null; 8672 pkg.mRealPackage = null; 8673 pkg.mAdoptPermissions = null; 8674 } 8675 } 8676 8677 /** 8678 * Asserts the parsed package is valid according to teh given policy. If the 8679 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 8680 * <p> 8681 * Implementation detail: This method must NOT have any side effects. It would 8682 * ideally be static, but, it requires locks to read system state. 8683 * 8684 * @throws PackageManagerException If the package fails any of the validation checks 8685 */ 8686 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 8687 throws PackageManagerException { 8688 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8689 assertCodePolicy(pkg); 8690 } 8691 8692 if (pkg.applicationInfo.getCodePath() == null || 8693 pkg.applicationInfo.getResourcePath() == null) { 8694 // Bail out. The resource and code paths haven't been set. 8695 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8696 "Code and resource paths haven't been set correctly"); 8697 } 8698 8699 // Make sure we're not adding any bogus keyset info 8700 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8701 ksms.assertScannedPackageValid(pkg); 8702 8703 synchronized (mPackages) { 8704 // The special "android" package can only be defined once 8705 if (pkg.packageName.equals("android")) { 8706 if (mAndroidApplication != null) { 8707 Slog.w(TAG, "*************************************************"); 8708 Slog.w(TAG, "Core android package being redefined. Skipping."); 8709 Slog.w(TAG, " codePath=" + pkg.codePath); 8710 Slog.w(TAG, "*************************************************"); 8711 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8712 "Core android package being redefined. Skipping."); 8713 } 8714 } 8715 8716 // A package name must be unique; don't allow duplicates 8717 if (mPackages.containsKey(pkg.packageName) 8718 || mSharedLibraries.containsKey(pkg.packageName)) { 8719 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8720 "Application package " + pkg.packageName 8721 + " already installed. Skipping duplicate."); 8722 } 8723 8724 // Only privileged apps and updated privileged apps can add child packages. 8725 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8726 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8727 throw new PackageManagerException("Only privileged apps can add child " 8728 + "packages. Ignoring package " + pkg.packageName); 8729 } 8730 final int childCount = pkg.childPackages.size(); 8731 for (int i = 0; i < childCount; i++) { 8732 PackageParser.Package childPkg = pkg.childPackages.get(i); 8733 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8734 childPkg.packageName)) { 8735 throw new PackageManagerException("Can't override child of " 8736 + "another disabled app. Ignoring package " + pkg.packageName); 8737 } 8738 } 8739 } 8740 8741 // If we're only installing presumed-existing packages, require that the 8742 // scanned APK is both already known and at the path previously established 8743 // for it. Previously unknown packages we pick up normally, but if we have an 8744 // a priori expectation about this package's install presence, enforce it. 8745 // With a singular exception for new system packages. When an OTA contains 8746 // a new system package, we allow the codepath to change from a system location 8747 // to the user-installed location. If we don't allow this change, any newer, 8748 // user-installed version of the application will be ignored. 8749 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8750 if (mExpectingBetter.containsKey(pkg.packageName)) { 8751 logCriticalInfo(Log.WARN, 8752 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8753 } else { 8754 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 8755 if (known != null) { 8756 if (DEBUG_PACKAGE_SCANNING) { 8757 Log.d(TAG, "Examining " + pkg.codePath 8758 + " and requiring known paths " + known.codePathString 8759 + " & " + known.resourcePathString); 8760 } 8761 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8762 || !pkg.applicationInfo.getResourcePath().equals( 8763 known.resourcePathString)) { 8764 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8765 "Application package " + pkg.packageName 8766 + " found at " + pkg.applicationInfo.getCodePath() 8767 + " but expected at " + known.codePathString 8768 + "; ignoring."); 8769 } 8770 } 8771 } 8772 } 8773 8774 // Verify that this new package doesn't have any content providers 8775 // that conflict with existing packages. Only do this if the 8776 // package isn't already installed, since we don't want to break 8777 // things that are installed. 8778 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8779 final int N = pkg.providers.size(); 8780 int i; 8781 for (i=0; i<N; i++) { 8782 PackageParser.Provider p = pkg.providers.get(i); 8783 if (p.info.authority != null) { 8784 String names[] = p.info.authority.split(";"); 8785 for (int j = 0; j < names.length; j++) { 8786 if (mProvidersByAuthority.containsKey(names[j])) { 8787 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8788 final String otherPackageName = 8789 ((other != null && other.getComponentName() != null) ? 8790 other.getComponentName().getPackageName() : "?"); 8791 throw new PackageManagerException( 8792 INSTALL_FAILED_CONFLICTING_PROVIDER, 8793 "Can't install because provider name " + names[j] 8794 + " (in package " + pkg.applicationInfo.packageName 8795 + ") is already used by " + otherPackageName); 8796 } 8797 } 8798 } 8799 } 8800 } 8801 } 8802 } 8803 8804 /** 8805 * Adds a scanned package to the system. When this method is finished, the package will 8806 * be available for query, resolution, etc... 8807 */ 8808 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 8809 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 8810 final String pkgName = pkg.packageName; 8811 if (mCustomResolverComponentName != null && 8812 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8813 setUpCustomResolverActivity(pkg); 8814 } 8815 8816 if (pkg.packageName.equals("android")) { 8817 synchronized (mPackages) { 8818 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8819 // Set up information for our fall-back user intent resolution activity. 8820 mPlatformPackage = pkg; 8821 pkg.mVersionCode = mSdkVersion; 8822 mAndroidApplication = pkg.applicationInfo; 8823 8824 if (!mResolverReplaced) { 8825 mResolveActivity.applicationInfo = mAndroidApplication; 8826 mResolveActivity.name = ResolverActivity.class.getName(); 8827 mResolveActivity.packageName = mAndroidApplication.packageName; 8828 mResolveActivity.processName = "system:ui"; 8829 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8830 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8831 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8832 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8833 mResolveActivity.exported = true; 8834 mResolveActivity.enabled = true; 8835 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8836 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8837 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8838 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8839 | ActivityInfo.CONFIG_ORIENTATION 8840 | ActivityInfo.CONFIG_KEYBOARD 8841 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8842 mResolveInfo.activityInfo = mResolveActivity; 8843 mResolveInfo.priority = 0; 8844 mResolveInfo.preferredOrder = 0; 8845 mResolveInfo.match = 0; 8846 mResolveComponentName = new ComponentName( 8847 mAndroidApplication.packageName, mResolveActivity.name); 8848 } 8849 } 8850 } 8851 } 8852 8853 ArrayList<PackageParser.Package> clientLibPkgs = null; 8854 // writer 8855 synchronized (mPackages) { 8856 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8857 // Only system apps can add new shared libraries. 8858 if (pkg.libraryNames != null) { 8859 for (int i=0; i<pkg.libraryNames.size(); i++) { 8860 String name = pkg.libraryNames.get(i); 8861 boolean allowed = false; 8862 if (pkg.isUpdatedSystemApp()) { 8863 // New library entries can only be added through the 8864 // system image. This is important to get rid of a lot 8865 // of nasty edge cases: for example if we allowed a non- 8866 // system update of the app to add a library, then uninstalling 8867 // the update would make the library go away, and assumptions 8868 // we made such as through app install filtering would now 8869 // have allowed apps on the device which aren't compatible 8870 // with it. Better to just have the restriction here, be 8871 // conservative, and create many fewer cases that can negatively 8872 // impact the user experience. 8873 final PackageSetting sysPs = mSettings 8874 .getDisabledSystemPkgLPr(pkg.packageName); 8875 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8876 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8877 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8878 allowed = true; 8879 break; 8880 } 8881 } 8882 } 8883 } else { 8884 allowed = true; 8885 } 8886 if (allowed) { 8887 if (!mSharedLibraries.containsKey(name)) { 8888 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8889 } else if (!name.equals(pkg.packageName)) { 8890 Slog.w(TAG, "Package " + pkg.packageName + " library " 8891 + name + " already exists; skipping"); 8892 } 8893 } else { 8894 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8895 + name + " that is not declared on system image; skipping"); 8896 } 8897 } 8898 if ((scanFlags & SCAN_BOOTING) == 0) { 8899 // If we are not booting, we need to update any applications 8900 // that are clients of our shared library. If we are booting, 8901 // this will all be done once the scan is complete. 8902 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8903 } 8904 } 8905 } 8906 } 8907 8908 if ((scanFlags & SCAN_BOOTING) != 0) { 8909 // No apps can run during boot scan, so they don't need to be frozen 8910 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8911 // Caller asked to not kill app, so it's probably not frozen 8912 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8913 // Caller asked us to ignore frozen check for some reason; they 8914 // probably didn't know the package name 8915 } else { 8916 // We're doing major surgery on this package, so it better be frozen 8917 // right now to keep it from launching 8918 checkPackageFrozen(pkgName); 8919 } 8920 8921 // Also need to kill any apps that are dependent on the library. 8922 if (clientLibPkgs != null) { 8923 for (int i=0; i<clientLibPkgs.size(); i++) { 8924 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8925 killApplication(clientPkg.applicationInfo.packageName, 8926 clientPkg.applicationInfo.uid, "update lib"); 8927 } 8928 } 8929 8930 // writer 8931 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8932 8933 boolean createIdmapFailed = false; 8934 synchronized (mPackages) { 8935 // We don't expect installation to fail beyond this point 8936 8937 if (pkgSetting.pkg != null) { 8938 // Note that |user| might be null during the initial boot scan. If a codePath 8939 // for an app has changed during a boot scan, it's due to an app update that's 8940 // part of the system partition and marker changes must be applied to all users. 8941 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 8942 final int[] userIds = resolveUserIds(userId); 8943 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 8944 } 8945 8946 // Add the new setting to mSettings 8947 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8948 // Add the new setting to mPackages 8949 mPackages.put(pkg.applicationInfo.packageName, pkg); 8950 // Make sure we don't accidentally delete its data. 8951 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8952 while (iter.hasNext()) { 8953 PackageCleanItem item = iter.next(); 8954 if (pkgName.equals(item.packageName)) { 8955 iter.remove(); 8956 } 8957 } 8958 8959 // Add the package's KeySets to the global KeySetManagerService 8960 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8961 ksms.addScannedPackageLPw(pkg); 8962 8963 int N = pkg.providers.size(); 8964 StringBuilder r = null; 8965 int i; 8966 for (i=0; i<N; i++) { 8967 PackageParser.Provider p = pkg.providers.get(i); 8968 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8969 p.info.processName); 8970 mProviders.addProvider(p); 8971 p.syncable = p.info.isSyncable; 8972 if (p.info.authority != null) { 8973 String names[] = p.info.authority.split(";"); 8974 p.info.authority = null; 8975 for (int j = 0; j < names.length; j++) { 8976 if (j == 1 && p.syncable) { 8977 // We only want the first authority for a provider to possibly be 8978 // syncable, so if we already added this provider using a different 8979 // authority clear the syncable flag. We copy the provider before 8980 // changing it because the mProviders object contains a reference 8981 // to a provider that we don't want to change. 8982 // Only do this for the second authority since the resulting provider 8983 // object can be the same for all future authorities for this provider. 8984 p = new PackageParser.Provider(p); 8985 p.syncable = false; 8986 } 8987 if (!mProvidersByAuthority.containsKey(names[j])) { 8988 mProvidersByAuthority.put(names[j], p); 8989 if (p.info.authority == null) { 8990 p.info.authority = names[j]; 8991 } else { 8992 p.info.authority = p.info.authority + ";" + names[j]; 8993 } 8994 if (DEBUG_PACKAGE_SCANNING) { 8995 if (chatty) 8996 Log.d(TAG, "Registered content provider: " + names[j] 8997 + ", className = " + p.info.name + ", isSyncable = " 8998 + p.info.isSyncable); 8999 } 9000 } else { 9001 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9002 Slog.w(TAG, "Skipping provider name " + names[j] + 9003 " (in package " + pkg.applicationInfo.packageName + 9004 "): name already used by " 9005 + ((other != null && other.getComponentName() != null) 9006 ? other.getComponentName().getPackageName() : "?")); 9007 } 9008 } 9009 } 9010 if (chatty) { 9011 if (r == null) { 9012 r = new StringBuilder(256); 9013 } else { 9014 r.append(' '); 9015 } 9016 r.append(p.info.name); 9017 } 9018 } 9019 if (r != null) { 9020 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 9021 } 9022 9023 N = pkg.services.size(); 9024 r = null; 9025 for (i=0; i<N; i++) { 9026 PackageParser.Service s = pkg.services.get(i); 9027 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 9028 s.info.processName); 9029 mServices.addService(s); 9030 if (chatty) { 9031 if (r == null) { 9032 r = new StringBuilder(256); 9033 } else { 9034 r.append(' '); 9035 } 9036 r.append(s.info.name); 9037 } 9038 } 9039 if (r != null) { 9040 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 9041 } 9042 9043 N = pkg.receivers.size(); 9044 r = null; 9045 for (i=0; i<N; i++) { 9046 PackageParser.Activity a = pkg.receivers.get(i); 9047 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 9048 a.info.processName); 9049 mReceivers.addActivity(a, "receiver"); 9050 if (chatty) { 9051 if (r == null) { 9052 r = new StringBuilder(256); 9053 } else { 9054 r.append(' '); 9055 } 9056 r.append(a.info.name); 9057 } 9058 } 9059 if (r != null) { 9060 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 9061 } 9062 9063 N = pkg.activities.size(); 9064 r = null; 9065 for (i=0; i<N; i++) { 9066 PackageParser.Activity a = pkg.activities.get(i); 9067 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 9068 a.info.processName); 9069 mActivities.addActivity(a, "activity"); 9070 if (chatty) { 9071 if (r == null) { 9072 r = new StringBuilder(256); 9073 } else { 9074 r.append(' '); 9075 } 9076 r.append(a.info.name); 9077 } 9078 } 9079 if (r != null) { 9080 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 9081 } 9082 9083 N = pkg.permissionGroups.size(); 9084 r = null; 9085 for (i=0; i<N; i++) { 9086 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 9087 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 9088 final String curPackageName = cur == null ? null : cur.info.packageName; 9089 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 9090 if (cur == null || isPackageUpdate) { 9091 mPermissionGroups.put(pg.info.name, pg); 9092 if (chatty) { 9093 if (r == null) { 9094 r = new StringBuilder(256); 9095 } else { 9096 r.append(' '); 9097 } 9098 if (isPackageUpdate) { 9099 r.append("UPD:"); 9100 } 9101 r.append(pg.info.name); 9102 } 9103 } else { 9104 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 9105 + pg.info.packageName + " ignored: original from " 9106 + cur.info.packageName); 9107 if (chatty) { 9108 if (r == null) { 9109 r = new StringBuilder(256); 9110 } else { 9111 r.append(' '); 9112 } 9113 r.append("DUP:"); 9114 r.append(pg.info.name); 9115 } 9116 } 9117 } 9118 if (r != null) { 9119 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 9120 } 9121 9122 N = pkg.permissions.size(); 9123 r = null; 9124 for (i=0; i<N; i++) { 9125 PackageParser.Permission p = pkg.permissions.get(i); 9126 9127 // Assume by default that we did not install this permission into the system. 9128 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 9129 9130 // Now that permission groups have a special meaning, we ignore permission 9131 // groups for legacy apps to prevent unexpected behavior. In particular, 9132 // permissions for one app being granted to someone just becase they happen 9133 // to be in a group defined by another app (before this had no implications). 9134 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 9135 p.group = mPermissionGroups.get(p.info.group); 9136 // Warn for a permission in an unknown group. 9137 if (p.info.group != null && p.group == null) { 9138 Slog.w(TAG, "Permission " + p.info.name + " from package " 9139 + p.info.packageName + " in an unknown group " + p.info.group); 9140 } 9141 } 9142 9143 ArrayMap<String, BasePermission> permissionMap = 9144 p.tree ? mSettings.mPermissionTrees 9145 : mSettings.mPermissions; 9146 BasePermission bp = permissionMap.get(p.info.name); 9147 9148 // Allow system apps to redefine non-system permissions 9149 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 9150 final boolean currentOwnerIsSystem = (bp.perm != null 9151 && isSystemApp(bp.perm.owner)); 9152 if (isSystemApp(p.owner)) { 9153 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 9154 // It's a built-in permission and no owner, take ownership now 9155 bp.packageSetting = pkgSetting; 9156 bp.perm = p; 9157 bp.uid = pkg.applicationInfo.uid; 9158 bp.sourcePackage = p.info.packageName; 9159 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 9160 } else if (!currentOwnerIsSystem) { 9161 String msg = "New decl " + p.owner + " of permission " 9162 + p.info.name + " is system; overriding " + bp.sourcePackage; 9163 reportSettingsProblem(Log.WARN, msg); 9164 bp = null; 9165 } 9166 } 9167 } 9168 9169 if (bp == null) { 9170 bp = new BasePermission(p.info.name, p.info.packageName, 9171 BasePermission.TYPE_NORMAL); 9172 permissionMap.put(p.info.name, bp); 9173 } 9174 9175 if (bp.perm == null) { 9176 if (bp.sourcePackage == null 9177 || bp.sourcePackage.equals(p.info.packageName)) { 9178 BasePermission tree = findPermissionTreeLP(p.info.name); 9179 if (tree == null 9180 || tree.sourcePackage.equals(p.info.packageName)) { 9181 bp.packageSetting = pkgSetting; 9182 bp.perm = p; 9183 bp.uid = pkg.applicationInfo.uid; 9184 bp.sourcePackage = p.info.packageName; 9185 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 9186 if (chatty) { 9187 if (r == null) { 9188 r = new StringBuilder(256); 9189 } else { 9190 r.append(' '); 9191 } 9192 r.append(p.info.name); 9193 } 9194 } else { 9195 Slog.w(TAG, "Permission " + p.info.name + " from package " 9196 + p.info.packageName + " ignored: base tree " 9197 + tree.name + " is from package " 9198 + tree.sourcePackage); 9199 } 9200 } else { 9201 Slog.w(TAG, "Permission " + p.info.name + " from package " 9202 + p.info.packageName + " ignored: original from " 9203 + bp.sourcePackage); 9204 } 9205 } else if (chatty) { 9206 if (r == null) { 9207 r = new StringBuilder(256); 9208 } else { 9209 r.append(' '); 9210 } 9211 r.append("DUP:"); 9212 r.append(p.info.name); 9213 } 9214 if (bp.perm == p) { 9215 bp.protectionLevel = p.info.protectionLevel; 9216 } 9217 } 9218 9219 if (r != null) { 9220 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 9221 } 9222 9223 N = pkg.instrumentation.size(); 9224 r = null; 9225 for (i=0; i<N; i++) { 9226 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9227 a.info.packageName = pkg.applicationInfo.packageName; 9228 a.info.sourceDir = pkg.applicationInfo.sourceDir; 9229 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 9230 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 9231 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 9232 a.info.dataDir = pkg.applicationInfo.dataDir; 9233 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 9234 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 9235 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 9236 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 9237 mInstrumentation.put(a.getComponentName(), a); 9238 if (chatty) { 9239 if (r == null) { 9240 r = new StringBuilder(256); 9241 } else { 9242 r.append(' '); 9243 } 9244 r.append(a.info.name); 9245 } 9246 } 9247 if (r != null) { 9248 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 9249 } 9250 9251 if (pkg.protectedBroadcasts != null) { 9252 N = pkg.protectedBroadcasts.size(); 9253 for (i=0; i<N; i++) { 9254 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 9255 } 9256 } 9257 9258 // Create idmap files for pairs of (packages, overlay packages). 9259 // Note: "android", ie framework-res.apk, is handled by native layers. 9260 if (pkg.mOverlayTarget != null) { 9261 // This is an overlay package. 9262 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 9263 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 9264 mOverlays.put(pkg.mOverlayTarget, 9265 new ArrayMap<String, PackageParser.Package>()); 9266 } 9267 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 9268 map.put(pkg.packageName, pkg); 9269 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 9270 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 9271 createIdmapFailed = true; 9272 } 9273 } 9274 } else if (mOverlays.containsKey(pkg.packageName) && 9275 !pkg.packageName.equals("android")) { 9276 // This is a regular package, with one or more known overlay packages. 9277 createIdmapsForPackageLI(pkg); 9278 } 9279 } 9280 9281 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9282 9283 if (createIdmapFailed) { 9284 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9285 "scanPackageLI failed to createIdmap"); 9286 } 9287 } 9288 9289 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9290 PackageParser.Package update, int[] userIds) { 9291 if (existing.applicationInfo == null || update.applicationInfo == null) { 9292 // This isn't due to an app installation. 9293 return; 9294 } 9295 9296 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9297 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9298 9299 // The codePath hasn't changed, so there's nothing for us to do. 9300 if (Objects.equals(oldCodePath, newCodePath)) { 9301 return; 9302 } 9303 9304 File canonicalNewCodePath; 9305 try { 9306 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9307 } catch (IOException e) { 9308 Slog.w(TAG, "Failed to get canonical path.", e); 9309 return; 9310 } 9311 9312 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9313 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9314 // that the last component of the path (i.e, the name) doesn't need canonicalization 9315 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9316 // but may change in the future. Hopefully this function won't exist at that point. 9317 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9318 oldCodePath.getName()); 9319 9320 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9321 // with "@". 9322 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9323 if (!oldMarkerPrefix.endsWith("@")) { 9324 oldMarkerPrefix += "@"; 9325 } 9326 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9327 if (!newMarkerPrefix.endsWith("@")) { 9328 newMarkerPrefix += "@"; 9329 } 9330 9331 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9332 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9333 for (String updatedPath : updatedPaths) { 9334 String updatedPathName = new File(updatedPath).getName(); 9335 markerSuffixes.add(updatedPathName.replace('/', '@')); 9336 } 9337 9338 for (int userId : userIds) { 9339 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9340 9341 for (String markerSuffix : markerSuffixes) { 9342 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9343 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9344 if (oldForeignUseMark.exists()) { 9345 try { 9346 Os.rename(oldForeignUseMark.getAbsolutePath(), 9347 newForeignUseMark.getAbsolutePath()); 9348 } catch (ErrnoException e) { 9349 Slog.w(TAG, "Failed to rename foreign use marker", e); 9350 oldForeignUseMark.delete(); 9351 } 9352 } 9353 } 9354 } 9355 } 9356 9357 /** 9358 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9359 * is derived purely on the basis of the contents of {@code scanFile} and 9360 * {@code cpuAbiOverride}. 9361 * 9362 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9363 */ 9364 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9365 String cpuAbiOverride, boolean extractLibs, 9366 File appLib32InstallDir) 9367 throws PackageManagerException { 9368 // Give ourselves some initial paths; we'll come back for another 9369 // pass once we've determined ABI below. 9370 setNativeLibraryPaths(pkg, appLib32InstallDir); 9371 9372 // We would never need to extract libs for forward-locked and external packages, 9373 // since the container service will do it for us. We shouldn't attempt to 9374 // extract libs from system app when it was not updated. 9375 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9376 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9377 extractLibs = false; 9378 } 9379 9380 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9381 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9382 9383 NativeLibraryHelper.Handle handle = null; 9384 try { 9385 handle = NativeLibraryHelper.Handle.create(pkg); 9386 // TODO(multiArch): This can be null for apps that didn't go through the 9387 // usual installation process. We can calculate it again, like we 9388 // do during install time. 9389 // 9390 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9391 // unnecessary. 9392 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9393 9394 // Null out the abis so that they can be recalculated. 9395 pkg.applicationInfo.primaryCpuAbi = null; 9396 pkg.applicationInfo.secondaryCpuAbi = null; 9397 if (isMultiArch(pkg.applicationInfo)) { 9398 // Warn if we've set an abiOverride for multi-lib packages.. 9399 // By definition, we need to copy both 32 and 64 bit libraries for 9400 // such packages. 9401 if (pkg.cpuAbiOverride != null 9402 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9403 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9404 } 9405 9406 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9407 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9408 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9409 if (extractLibs) { 9410 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9411 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9412 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9413 useIsaSpecificSubdirs); 9414 } else { 9415 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9416 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9417 } 9418 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9419 } 9420 9421 maybeThrowExceptionForMultiArchCopy( 9422 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9423 9424 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9425 if (extractLibs) { 9426 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9427 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9428 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9429 useIsaSpecificSubdirs); 9430 } else { 9431 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9432 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9433 } 9434 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9435 } 9436 9437 maybeThrowExceptionForMultiArchCopy( 9438 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9439 9440 if (abi64 >= 0) { 9441 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9442 } 9443 9444 if (abi32 >= 0) { 9445 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9446 if (abi64 >= 0) { 9447 if (pkg.use32bitAbi) { 9448 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9449 pkg.applicationInfo.primaryCpuAbi = abi; 9450 } else { 9451 pkg.applicationInfo.secondaryCpuAbi = abi; 9452 } 9453 } else { 9454 pkg.applicationInfo.primaryCpuAbi = abi; 9455 } 9456 } 9457 9458 } else { 9459 String[] abiList = (cpuAbiOverride != null) ? 9460 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9461 9462 // Enable gross and lame hacks for apps that are built with old 9463 // SDK tools. We must scan their APKs for renderscript bitcode and 9464 // not launch them if it's present. Don't bother checking on devices 9465 // that don't have 64 bit support. 9466 boolean needsRenderScriptOverride = false; 9467 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9468 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9469 abiList = Build.SUPPORTED_32_BIT_ABIS; 9470 needsRenderScriptOverride = true; 9471 } 9472 9473 final int copyRet; 9474 if (extractLibs) { 9475 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9476 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9477 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9478 } else { 9479 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9480 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9481 } 9482 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9483 9484 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9485 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9486 "Error unpackaging native libs for app, errorCode=" + copyRet); 9487 } 9488 9489 if (copyRet >= 0) { 9490 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9491 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9492 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9493 } else if (needsRenderScriptOverride) { 9494 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9495 } 9496 } 9497 } catch (IOException ioe) { 9498 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9499 } finally { 9500 IoUtils.closeQuietly(handle); 9501 } 9502 9503 // Now that we've calculated the ABIs and determined if it's an internal app, 9504 // we will go ahead and populate the nativeLibraryPath. 9505 setNativeLibraryPaths(pkg, appLib32InstallDir); 9506 } 9507 9508 /** 9509 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9510 * i.e, so that all packages can be run inside a single process if required. 9511 * 9512 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9513 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9514 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9515 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9516 * updating a package that belongs to a shared user. 9517 * 9518 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9519 * adds unnecessary complexity. 9520 */ 9521 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9522 PackageParser.Package scannedPackage) { 9523 String requiredInstructionSet = null; 9524 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9525 requiredInstructionSet = VMRuntime.getInstructionSet( 9526 scannedPackage.applicationInfo.primaryCpuAbi); 9527 } 9528 9529 PackageSetting requirer = null; 9530 for (PackageSetting ps : packagesForUser) { 9531 // If packagesForUser contains scannedPackage, we skip it. This will happen 9532 // when scannedPackage is an update of an existing package. Without this check, 9533 // we will never be able to change the ABI of any package belonging to a shared 9534 // user, even if it's compatible with other packages. 9535 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9536 if (ps.primaryCpuAbiString == null) { 9537 continue; 9538 } 9539 9540 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9541 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9542 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9543 // this but there's not much we can do. 9544 String errorMessage = "Instruction set mismatch, " 9545 + ((requirer == null) ? "[caller]" : requirer) 9546 + " requires " + requiredInstructionSet + " whereas " + ps 9547 + " requires " + instructionSet; 9548 Slog.w(TAG, errorMessage); 9549 } 9550 9551 if (requiredInstructionSet == null) { 9552 requiredInstructionSet = instructionSet; 9553 requirer = ps; 9554 } 9555 } 9556 } 9557 9558 if (requiredInstructionSet != null) { 9559 String adjustedAbi; 9560 if (requirer != null) { 9561 // requirer != null implies that either scannedPackage was null or that scannedPackage 9562 // did not require an ABI, in which case we have to adjust scannedPackage to match 9563 // the ABI of the set (which is the same as requirer's ABI) 9564 adjustedAbi = requirer.primaryCpuAbiString; 9565 if (scannedPackage != null) { 9566 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9567 } 9568 } else { 9569 // requirer == null implies that we're updating all ABIs in the set to 9570 // match scannedPackage. 9571 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9572 } 9573 9574 for (PackageSetting ps : packagesForUser) { 9575 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9576 if (ps.primaryCpuAbiString != null) { 9577 continue; 9578 } 9579 9580 ps.primaryCpuAbiString = adjustedAbi; 9581 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9582 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9583 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9584 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9585 + " (requirer=" 9586 + (requirer == null ? "null" : requirer.pkg.packageName) 9587 + ", scannedPackage=" 9588 + (scannedPackage != null ? scannedPackage.packageName : "null") 9589 + ")"); 9590 try { 9591 mInstaller.rmdex(ps.codePathString, 9592 getDexCodeInstructionSet(getPreferredInstructionSet())); 9593 } catch (InstallerException ignored) { 9594 } 9595 } 9596 } 9597 } 9598 } 9599 } 9600 9601 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9602 synchronized (mPackages) { 9603 mResolverReplaced = true; 9604 // Set up information for custom user intent resolution activity. 9605 mResolveActivity.applicationInfo = pkg.applicationInfo; 9606 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9607 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9608 mResolveActivity.processName = pkg.applicationInfo.packageName; 9609 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9610 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9611 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9612 mResolveActivity.theme = 0; 9613 mResolveActivity.exported = true; 9614 mResolveActivity.enabled = true; 9615 mResolveInfo.activityInfo = mResolveActivity; 9616 mResolveInfo.priority = 0; 9617 mResolveInfo.preferredOrder = 0; 9618 mResolveInfo.match = 0; 9619 mResolveComponentName = mCustomResolverComponentName; 9620 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9621 mResolveComponentName); 9622 } 9623 } 9624 9625 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9626 if (installerComponent == null) { 9627 if (DEBUG_EPHEMERAL) { 9628 Slog.d(TAG, "Clear ephemeral installer activity"); 9629 } 9630 mEphemeralInstallerActivity.applicationInfo = null; 9631 return; 9632 } 9633 9634 if (DEBUG_EPHEMERAL) { 9635 Slog.d(TAG, "Set ephemeral installer activity: " + installerComponent); 9636 } 9637 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9638 // Set up information for ephemeral installer activity 9639 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9640 mEphemeralInstallerActivity.name = installerComponent.getClassName(); 9641 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9642 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9643 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9644 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9645 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9646 mEphemeralInstallerActivity.theme = 0; 9647 mEphemeralInstallerActivity.exported = true; 9648 mEphemeralInstallerActivity.enabled = true; 9649 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9650 mEphemeralInstallerInfo.priority = 0; 9651 mEphemeralInstallerInfo.preferredOrder = 1; 9652 mEphemeralInstallerInfo.isDefault = true; 9653 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9654 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9655 } 9656 9657 private static String calculateBundledApkRoot(final String codePathString) { 9658 final File codePath = new File(codePathString); 9659 final File codeRoot; 9660 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9661 codeRoot = Environment.getRootDirectory(); 9662 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9663 codeRoot = Environment.getOemDirectory(); 9664 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9665 codeRoot = Environment.getVendorDirectory(); 9666 } else { 9667 // Unrecognized code path; take its top real segment as the apk root: 9668 // e.g. /something/app/blah.apk => /something 9669 try { 9670 File f = codePath.getCanonicalFile(); 9671 File parent = f.getParentFile(); // non-null because codePath is a file 9672 File tmp; 9673 while ((tmp = parent.getParentFile()) != null) { 9674 f = parent; 9675 parent = tmp; 9676 } 9677 codeRoot = f; 9678 Slog.w(TAG, "Unrecognized code path " 9679 + codePath + " - using " + codeRoot); 9680 } catch (IOException e) { 9681 // Can't canonicalize the code path -- shenanigans? 9682 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9683 return Environment.getRootDirectory().getPath(); 9684 } 9685 } 9686 return codeRoot.getPath(); 9687 } 9688 9689 /** 9690 * Derive and set the location of native libraries for the given package, 9691 * which varies depending on where and how the package was installed. 9692 */ 9693 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 9694 final ApplicationInfo info = pkg.applicationInfo; 9695 final String codePath = pkg.codePath; 9696 final File codeFile = new File(codePath); 9697 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9698 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9699 9700 info.nativeLibraryRootDir = null; 9701 info.nativeLibraryRootRequiresIsa = false; 9702 info.nativeLibraryDir = null; 9703 info.secondaryNativeLibraryDir = null; 9704 9705 if (isApkFile(codeFile)) { 9706 // Monolithic install 9707 if (bundledApp) { 9708 // If "/system/lib64/apkname" exists, assume that is the per-package 9709 // native library directory to use; otherwise use "/system/lib/apkname". 9710 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9711 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9712 getPrimaryInstructionSet(info)); 9713 9714 // This is a bundled system app so choose the path based on the ABI. 9715 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9716 // is just the default path. 9717 final String apkName = deriveCodePathName(codePath); 9718 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9719 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9720 apkName).getAbsolutePath(); 9721 9722 if (info.secondaryCpuAbi != null) { 9723 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9724 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9725 secondaryLibDir, apkName).getAbsolutePath(); 9726 } 9727 } else if (asecApp) { 9728 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9729 .getAbsolutePath(); 9730 } else { 9731 final String apkName = deriveCodePathName(codePath); 9732 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 9733 .getAbsolutePath(); 9734 } 9735 9736 info.nativeLibraryRootRequiresIsa = false; 9737 info.nativeLibraryDir = info.nativeLibraryRootDir; 9738 } else { 9739 // Cluster install 9740 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9741 info.nativeLibraryRootRequiresIsa = true; 9742 9743 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9744 getPrimaryInstructionSet(info)).getAbsolutePath(); 9745 9746 if (info.secondaryCpuAbi != null) { 9747 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9748 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9749 } 9750 } 9751 } 9752 9753 /** 9754 * Calculate the abis and roots for a bundled app. These can uniquely 9755 * be determined from the contents of the system partition, i.e whether 9756 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9757 * of this information, and instead assume that the system was built 9758 * sensibly. 9759 */ 9760 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9761 PackageSetting pkgSetting) { 9762 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9763 9764 // If "/system/lib64/apkname" exists, assume that is the per-package 9765 // native library directory to use; otherwise use "/system/lib/apkname". 9766 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9767 setBundledAppAbi(pkg, apkRoot, apkName); 9768 // pkgSetting might be null during rescan following uninstall of updates 9769 // to a bundled app, so accommodate that possibility. The settings in 9770 // that case will be established later from the parsed package. 9771 // 9772 // If the settings aren't null, sync them up with what we've just derived. 9773 // note that apkRoot isn't stored in the package settings. 9774 if (pkgSetting != null) { 9775 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9776 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9777 } 9778 } 9779 9780 /** 9781 * Deduces the ABI of a bundled app and sets the relevant fields on the 9782 * parsed pkg object. 9783 * 9784 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9785 * under which system libraries are installed. 9786 * @param apkName the name of the installed package. 9787 */ 9788 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9789 final File codeFile = new File(pkg.codePath); 9790 9791 final boolean has64BitLibs; 9792 final boolean has32BitLibs; 9793 if (isApkFile(codeFile)) { 9794 // Monolithic install 9795 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9796 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9797 } else { 9798 // Cluster install 9799 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9800 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9801 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9802 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9803 has64BitLibs = (new File(rootDir, isa)).exists(); 9804 } else { 9805 has64BitLibs = false; 9806 } 9807 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9808 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9809 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9810 has32BitLibs = (new File(rootDir, isa)).exists(); 9811 } else { 9812 has32BitLibs = false; 9813 } 9814 } 9815 9816 if (has64BitLibs && !has32BitLibs) { 9817 // The package has 64 bit libs, but not 32 bit libs. Its primary 9818 // ABI should be 64 bit. We can safely assume here that the bundled 9819 // native libraries correspond to the most preferred ABI in the list. 9820 9821 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9822 pkg.applicationInfo.secondaryCpuAbi = null; 9823 } else if (has32BitLibs && !has64BitLibs) { 9824 // The package has 32 bit libs but not 64 bit libs. Its primary 9825 // ABI should be 32 bit. 9826 9827 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9828 pkg.applicationInfo.secondaryCpuAbi = null; 9829 } else if (has32BitLibs && has64BitLibs) { 9830 // The application has both 64 and 32 bit bundled libraries. We check 9831 // here that the app declares multiArch support, and warn if it doesn't. 9832 // 9833 // We will be lenient here and record both ABIs. The primary will be the 9834 // ABI that's higher on the list, i.e, a device that's configured to prefer 9835 // 64 bit apps will see a 64 bit primary ABI, 9836 9837 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9838 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9839 } 9840 9841 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9842 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9843 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9844 } else { 9845 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9846 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9847 } 9848 } else { 9849 pkg.applicationInfo.primaryCpuAbi = null; 9850 pkg.applicationInfo.secondaryCpuAbi = null; 9851 } 9852 } 9853 9854 private void killApplication(String pkgName, int appId, String reason) { 9855 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9856 } 9857 9858 private void killApplication(String pkgName, int appId, int userId, String reason) { 9859 // Request the ActivityManager to kill the process(only for existing packages) 9860 // so that we do not end up in a confused state while the user is still using the older 9861 // version of the application while the new one gets installed. 9862 final long token = Binder.clearCallingIdentity(); 9863 try { 9864 IActivityManager am = ActivityManager.getService(); 9865 if (am != null) { 9866 try { 9867 am.killApplication(pkgName, appId, userId, reason); 9868 } catch (RemoteException e) { 9869 } 9870 } 9871 } finally { 9872 Binder.restoreCallingIdentity(token); 9873 } 9874 } 9875 9876 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9877 // Remove the parent package setting 9878 PackageSetting ps = (PackageSetting) pkg.mExtras; 9879 if (ps != null) { 9880 removePackageLI(ps, chatty); 9881 } 9882 // Remove the child package setting 9883 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9884 for (int i = 0; i < childCount; i++) { 9885 PackageParser.Package childPkg = pkg.childPackages.get(i); 9886 ps = (PackageSetting) childPkg.mExtras; 9887 if (ps != null) { 9888 removePackageLI(ps, chatty); 9889 } 9890 } 9891 } 9892 9893 void removePackageLI(PackageSetting ps, boolean chatty) { 9894 if (DEBUG_INSTALL) { 9895 if (chatty) 9896 Log.d(TAG, "Removing package " + ps.name); 9897 } 9898 9899 // writer 9900 synchronized (mPackages) { 9901 mPackages.remove(ps.name); 9902 final PackageParser.Package pkg = ps.pkg; 9903 if (pkg != null) { 9904 cleanPackageDataStructuresLILPw(pkg, chatty); 9905 } 9906 } 9907 } 9908 9909 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9910 if (DEBUG_INSTALL) { 9911 if (chatty) 9912 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9913 } 9914 9915 // writer 9916 synchronized (mPackages) { 9917 // Remove the parent package 9918 mPackages.remove(pkg.applicationInfo.packageName); 9919 cleanPackageDataStructuresLILPw(pkg, chatty); 9920 9921 // Remove the child packages 9922 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9923 for (int i = 0; i < childCount; i++) { 9924 PackageParser.Package childPkg = pkg.childPackages.get(i); 9925 mPackages.remove(childPkg.applicationInfo.packageName); 9926 cleanPackageDataStructuresLILPw(childPkg, chatty); 9927 } 9928 } 9929 } 9930 9931 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9932 int N = pkg.providers.size(); 9933 StringBuilder r = null; 9934 int i; 9935 for (i=0; i<N; i++) { 9936 PackageParser.Provider p = pkg.providers.get(i); 9937 mProviders.removeProvider(p); 9938 if (p.info.authority == null) { 9939 9940 /* There was another ContentProvider with this authority when 9941 * this app was installed so this authority is null, 9942 * Ignore it as we don't have to unregister the provider. 9943 */ 9944 continue; 9945 } 9946 String names[] = p.info.authority.split(";"); 9947 for (int j = 0; j < names.length; j++) { 9948 if (mProvidersByAuthority.get(names[j]) == p) { 9949 mProvidersByAuthority.remove(names[j]); 9950 if (DEBUG_REMOVE) { 9951 if (chatty) 9952 Log.d(TAG, "Unregistered content provider: " + names[j] 9953 + ", className = " + p.info.name + ", isSyncable = " 9954 + p.info.isSyncable); 9955 } 9956 } 9957 } 9958 if (DEBUG_REMOVE && chatty) { 9959 if (r == null) { 9960 r = new StringBuilder(256); 9961 } else { 9962 r.append(' '); 9963 } 9964 r.append(p.info.name); 9965 } 9966 } 9967 if (r != null) { 9968 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9969 } 9970 9971 N = pkg.services.size(); 9972 r = null; 9973 for (i=0; i<N; i++) { 9974 PackageParser.Service s = pkg.services.get(i); 9975 mServices.removeService(s); 9976 if (chatty) { 9977 if (r == null) { 9978 r = new StringBuilder(256); 9979 } else { 9980 r.append(' '); 9981 } 9982 r.append(s.info.name); 9983 } 9984 } 9985 if (r != null) { 9986 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9987 } 9988 9989 N = pkg.receivers.size(); 9990 r = null; 9991 for (i=0; i<N; i++) { 9992 PackageParser.Activity a = pkg.receivers.get(i); 9993 mReceivers.removeActivity(a, "receiver"); 9994 if (DEBUG_REMOVE && chatty) { 9995 if (r == null) { 9996 r = new StringBuilder(256); 9997 } else { 9998 r.append(' '); 9999 } 10000 r.append(a.info.name); 10001 } 10002 } 10003 if (r != null) { 10004 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 10005 } 10006 10007 N = pkg.activities.size(); 10008 r = null; 10009 for (i=0; i<N; i++) { 10010 PackageParser.Activity a = pkg.activities.get(i); 10011 mActivities.removeActivity(a, "activity"); 10012 if (DEBUG_REMOVE && chatty) { 10013 if (r == null) { 10014 r = new StringBuilder(256); 10015 } else { 10016 r.append(' '); 10017 } 10018 r.append(a.info.name); 10019 } 10020 } 10021 if (r != null) { 10022 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 10023 } 10024 10025 N = pkg.permissions.size(); 10026 r = null; 10027 for (i=0; i<N; i++) { 10028 PackageParser.Permission p = pkg.permissions.get(i); 10029 BasePermission bp = mSettings.mPermissions.get(p.info.name); 10030 if (bp == null) { 10031 bp = mSettings.mPermissionTrees.get(p.info.name); 10032 } 10033 if (bp != null && bp.perm == p) { 10034 bp.perm = null; 10035 if (DEBUG_REMOVE && chatty) { 10036 if (r == null) { 10037 r = new StringBuilder(256); 10038 } else { 10039 r.append(' '); 10040 } 10041 r.append(p.info.name); 10042 } 10043 } 10044 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10045 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 10046 if (appOpPkgs != null) { 10047 appOpPkgs.remove(pkg.packageName); 10048 } 10049 } 10050 } 10051 if (r != null) { 10052 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 10053 } 10054 10055 N = pkg.requestedPermissions.size(); 10056 r = null; 10057 for (i=0; i<N; i++) { 10058 String perm = pkg.requestedPermissions.get(i); 10059 BasePermission bp = mSettings.mPermissions.get(perm); 10060 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10061 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 10062 if (appOpPkgs != null) { 10063 appOpPkgs.remove(pkg.packageName); 10064 if (appOpPkgs.isEmpty()) { 10065 mAppOpPermissionPackages.remove(perm); 10066 } 10067 } 10068 } 10069 } 10070 if (r != null) { 10071 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 10072 } 10073 10074 N = pkg.instrumentation.size(); 10075 r = null; 10076 for (i=0; i<N; i++) { 10077 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10078 mInstrumentation.remove(a.getComponentName()); 10079 if (DEBUG_REMOVE && chatty) { 10080 if (r == null) { 10081 r = new StringBuilder(256); 10082 } else { 10083 r.append(' '); 10084 } 10085 r.append(a.info.name); 10086 } 10087 } 10088 if (r != null) { 10089 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 10090 } 10091 10092 r = null; 10093 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 10094 // Only system apps can hold shared libraries. 10095 if (pkg.libraryNames != null) { 10096 for (i=0; i<pkg.libraryNames.size(); i++) { 10097 String name = pkg.libraryNames.get(i); 10098 SharedLibraryEntry cur = mSharedLibraries.get(name); 10099 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 10100 mSharedLibraries.remove(name); 10101 if (DEBUG_REMOVE && chatty) { 10102 if (r == null) { 10103 r = new StringBuilder(256); 10104 } else { 10105 r.append(' '); 10106 } 10107 r.append(name); 10108 } 10109 } 10110 } 10111 } 10112 } 10113 if (r != null) { 10114 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 10115 } 10116 } 10117 10118 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 10119 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 10120 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 10121 return true; 10122 } 10123 } 10124 return false; 10125 } 10126 10127 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 10128 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 10129 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 10130 10131 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 10132 // Update the parent permissions 10133 updatePermissionsLPw(pkg.packageName, pkg, flags); 10134 // Update the child permissions 10135 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10136 for (int i = 0; i < childCount; i++) { 10137 PackageParser.Package childPkg = pkg.childPackages.get(i); 10138 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 10139 } 10140 } 10141 10142 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 10143 int flags) { 10144 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 10145 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 10146 } 10147 10148 private void updatePermissionsLPw(String changingPkg, 10149 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 10150 // Make sure there are no dangling permission trees. 10151 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 10152 while (it.hasNext()) { 10153 final BasePermission bp = it.next(); 10154 if (bp.packageSetting == null) { 10155 // We may not yet have parsed the package, so just see if 10156 // we still know about its settings. 10157 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 10158 } 10159 if (bp.packageSetting == null) { 10160 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 10161 + " from package " + bp.sourcePackage); 10162 it.remove(); 10163 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 10164 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 10165 Slog.i(TAG, "Removing old permission tree: " + bp.name 10166 + " from package " + bp.sourcePackage); 10167 flags |= UPDATE_PERMISSIONS_ALL; 10168 it.remove(); 10169 } 10170 } 10171 } 10172 10173 // Make sure all dynamic permissions have been assigned to a package, 10174 // and make sure there are no dangling permissions. 10175 it = mSettings.mPermissions.values().iterator(); 10176 while (it.hasNext()) { 10177 final BasePermission bp = it.next(); 10178 if (bp.type == BasePermission.TYPE_DYNAMIC) { 10179 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 10180 + bp.name + " pkg=" + bp.sourcePackage 10181 + " info=" + bp.pendingInfo); 10182 if (bp.packageSetting == null && bp.pendingInfo != null) { 10183 final BasePermission tree = findPermissionTreeLP(bp.name); 10184 if (tree != null && tree.perm != null) { 10185 bp.packageSetting = tree.packageSetting; 10186 bp.perm = new PackageParser.Permission(tree.perm.owner, 10187 new PermissionInfo(bp.pendingInfo)); 10188 bp.perm.info.packageName = tree.perm.info.packageName; 10189 bp.perm.info.name = bp.name; 10190 bp.uid = tree.uid; 10191 } 10192 } 10193 } 10194 if (bp.packageSetting == null) { 10195 // We may not yet have parsed the package, so just see if 10196 // we still know about its settings. 10197 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 10198 } 10199 if (bp.packageSetting == null) { 10200 Slog.w(TAG, "Removing dangling permission: " + bp.name 10201 + " from package " + bp.sourcePackage); 10202 it.remove(); 10203 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 10204 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 10205 Slog.i(TAG, "Removing old permission: " + bp.name 10206 + " from package " + bp.sourcePackage); 10207 flags |= UPDATE_PERMISSIONS_ALL; 10208 it.remove(); 10209 } 10210 } 10211 } 10212 10213 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 10214 // Now update the permissions for all packages, in particular 10215 // replace the granted permissions of the system packages. 10216 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 10217 for (PackageParser.Package pkg : mPackages.values()) { 10218 if (pkg != pkgInfo) { 10219 // Only replace for packages on requested volume 10220 final String volumeUuid = getVolumeUuidForPackage(pkg); 10221 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 10222 && Objects.equals(replaceVolumeUuid, volumeUuid); 10223 grantPermissionsLPw(pkg, replace, changingPkg); 10224 } 10225 } 10226 } 10227 10228 if (pkgInfo != null) { 10229 // Only replace for packages on requested volume 10230 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 10231 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 10232 && Objects.equals(replaceVolumeUuid, volumeUuid); 10233 grantPermissionsLPw(pkgInfo, replace, changingPkg); 10234 } 10235 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10236 } 10237 10238 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 10239 String packageOfInterest) { 10240 // IMPORTANT: There are two types of permissions: install and runtime. 10241 // Install time permissions are granted when the app is installed to 10242 // all device users and users added in the future. Runtime permissions 10243 // are granted at runtime explicitly to specific users. Normal and signature 10244 // protected permissions are install time permissions. Dangerous permissions 10245 // are install permissions if the app's target SDK is Lollipop MR1 or older, 10246 // otherwise they are runtime permissions. This function does not manage 10247 // runtime permissions except for the case an app targeting Lollipop MR1 10248 // being upgraded to target a newer SDK, in which case dangerous permissions 10249 // are transformed from install time to runtime ones. 10250 10251 final PackageSetting ps = (PackageSetting) pkg.mExtras; 10252 if (ps == null) { 10253 return; 10254 } 10255 10256 PermissionsState permissionsState = ps.getPermissionsState(); 10257 PermissionsState origPermissions = permissionsState; 10258 10259 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 10260 10261 boolean runtimePermissionsRevoked = false; 10262 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 10263 10264 boolean changedInstallPermission = false; 10265 10266 if (replace) { 10267 ps.installPermissionsFixed = false; 10268 if (!ps.isSharedUser()) { 10269 origPermissions = new PermissionsState(permissionsState); 10270 permissionsState.reset(); 10271 } else { 10272 // We need to know only about runtime permission changes since the 10273 // calling code always writes the install permissions state but 10274 // the runtime ones are written only if changed. The only cases of 10275 // changed runtime permissions here are promotion of an install to 10276 // runtime and revocation of a runtime from a shared user. 10277 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 10278 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10279 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10280 runtimePermissionsRevoked = true; 10281 } 10282 } 10283 } 10284 10285 permissionsState.setGlobalGids(mGlobalGids); 10286 10287 final int N = pkg.requestedPermissions.size(); 10288 for (int i=0; i<N; i++) { 10289 final String name = pkg.requestedPermissions.get(i); 10290 final BasePermission bp = mSettings.mPermissions.get(name); 10291 10292 if (DEBUG_INSTALL) { 10293 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10294 } 10295 10296 if (bp == null || bp.packageSetting == null) { 10297 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10298 Slog.w(TAG, "Unknown permission " + name 10299 + " in package " + pkg.packageName); 10300 } 10301 continue; 10302 } 10303 10304 10305 // Limit ephemeral apps to ephemeral allowed permissions. 10306 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 10307 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 10308 + pkg.packageName); 10309 continue; 10310 } 10311 10312 final String perm = bp.name; 10313 boolean allowedSig = false; 10314 int grant = GRANT_DENIED; 10315 10316 // Keep track of app op permissions. 10317 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10318 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10319 if (pkgs == null) { 10320 pkgs = new ArraySet<>(); 10321 mAppOpPermissionPackages.put(bp.name, pkgs); 10322 } 10323 pkgs.add(pkg.packageName); 10324 } 10325 10326 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10327 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10328 >= Build.VERSION_CODES.M; 10329 switch (level) { 10330 case PermissionInfo.PROTECTION_NORMAL: { 10331 // For all apps normal permissions are install time ones. 10332 grant = GRANT_INSTALL; 10333 } break; 10334 10335 case PermissionInfo.PROTECTION_DANGEROUS: { 10336 // If a permission review is required for legacy apps we represent 10337 // their permissions as always granted runtime ones since we need 10338 // to keep the review required permission flag per user while an 10339 // install permission's state is shared across all users. 10340 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 10341 // For legacy apps dangerous permissions are install time ones. 10342 grant = GRANT_INSTALL; 10343 } else if (origPermissions.hasInstallPermission(bp.name)) { 10344 // For legacy apps that became modern, install becomes runtime. 10345 grant = GRANT_UPGRADE; 10346 } else if (mPromoteSystemApps 10347 && isSystemApp(ps) 10348 && mExistingSystemPackages.contains(ps.name)) { 10349 // For legacy system apps, install becomes runtime. 10350 // We cannot check hasInstallPermission() for system apps since those 10351 // permissions were granted implicitly and not persisted pre-M. 10352 grant = GRANT_UPGRADE; 10353 } else { 10354 // For modern apps keep runtime permissions unchanged. 10355 grant = GRANT_RUNTIME; 10356 } 10357 } break; 10358 10359 case PermissionInfo.PROTECTION_SIGNATURE: { 10360 // For all apps signature permissions are install time ones. 10361 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10362 if (allowedSig) { 10363 grant = GRANT_INSTALL; 10364 } 10365 } break; 10366 } 10367 10368 if (DEBUG_INSTALL) { 10369 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10370 } 10371 10372 if (grant != GRANT_DENIED) { 10373 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10374 // If this is an existing, non-system package, then 10375 // we can't add any new permissions to it. 10376 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10377 // Except... if this is a permission that was added 10378 // to the platform (note: need to only do this when 10379 // updating the platform). 10380 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10381 grant = GRANT_DENIED; 10382 } 10383 } 10384 } 10385 10386 switch (grant) { 10387 case GRANT_INSTALL: { 10388 // Revoke this as runtime permission to handle the case of 10389 // a runtime permission being downgraded to an install one. 10390 // Also in permission review mode we keep dangerous permissions 10391 // for legacy apps 10392 for (int userId : UserManagerService.getInstance().getUserIds()) { 10393 if (origPermissions.getRuntimePermissionState( 10394 bp.name, userId) != null) { 10395 // Revoke the runtime permission and clear the flags. 10396 origPermissions.revokeRuntimePermission(bp, userId); 10397 origPermissions.updatePermissionFlags(bp, userId, 10398 PackageManager.MASK_PERMISSION_FLAGS, 0); 10399 // If we revoked a permission permission, we have to write. 10400 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10401 changedRuntimePermissionUserIds, userId); 10402 } 10403 } 10404 // Grant an install permission. 10405 if (permissionsState.grantInstallPermission(bp) != 10406 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10407 changedInstallPermission = true; 10408 } 10409 } break; 10410 10411 case GRANT_RUNTIME: { 10412 // Grant previously granted runtime permissions. 10413 for (int userId : UserManagerService.getInstance().getUserIds()) { 10414 PermissionState permissionState = origPermissions 10415 .getRuntimePermissionState(bp.name, userId); 10416 int flags = permissionState != null 10417 ? permissionState.getFlags() : 0; 10418 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10419 if (permissionsState.grantRuntimePermission(bp, userId) == 10420 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10421 // If we cannot put the permission as it was, we have to write. 10422 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10423 changedRuntimePermissionUserIds, userId); 10424 } 10425 // If the app supports runtime permissions no need for a review. 10426 if (mPermissionReviewRequired 10427 && appSupportsRuntimePermissions 10428 && (flags & PackageManager 10429 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10430 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10431 // Since we changed the flags, we have to write. 10432 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10433 changedRuntimePermissionUserIds, userId); 10434 } 10435 } else if (mPermissionReviewRequired 10436 && !appSupportsRuntimePermissions) { 10437 // For legacy apps that need a permission review, every new 10438 // runtime permission is granted but it is pending a review. 10439 // We also need to review only platform defined runtime 10440 // permissions as these are the only ones the platform knows 10441 // how to disable the API to simulate revocation as legacy 10442 // apps don't expect to run with revoked permissions. 10443 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10444 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10445 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10446 // We changed the flags, hence have to write. 10447 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10448 changedRuntimePermissionUserIds, userId); 10449 } 10450 } 10451 if (permissionsState.grantRuntimePermission(bp, userId) 10452 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10453 // We changed the permission, hence have to write. 10454 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10455 changedRuntimePermissionUserIds, userId); 10456 } 10457 } 10458 // Propagate the permission flags. 10459 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10460 } 10461 } break; 10462 10463 case GRANT_UPGRADE: { 10464 // Grant runtime permissions for a previously held install permission. 10465 PermissionState permissionState = origPermissions 10466 .getInstallPermissionState(bp.name); 10467 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10468 10469 if (origPermissions.revokeInstallPermission(bp) 10470 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10471 // We will be transferring the permission flags, so clear them. 10472 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10473 PackageManager.MASK_PERMISSION_FLAGS, 0); 10474 changedInstallPermission = true; 10475 } 10476 10477 // If the permission is not to be promoted to runtime we ignore it and 10478 // also its other flags as they are not applicable to install permissions. 10479 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10480 for (int userId : currentUserIds) { 10481 if (permissionsState.grantRuntimePermission(bp, userId) != 10482 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10483 // Transfer the permission flags. 10484 permissionsState.updatePermissionFlags(bp, userId, 10485 flags, flags); 10486 // If we granted the permission, we have to write. 10487 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10488 changedRuntimePermissionUserIds, userId); 10489 } 10490 } 10491 } 10492 } break; 10493 10494 default: { 10495 if (packageOfInterest == null 10496 || packageOfInterest.equals(pkg.packageName)) { 10497 Slog.w(TAG, "Not granting permission " + perm 10498 + " to package " + pkg.packageName 10499 + " because it was previously installed without"); 10500 } 10501 } break; 10502 } 10503 } else { 10504 if (permissionsState.revokeInstallPermission(bp) != 10505 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10506 // Also drop the permission flags. 10507 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10508 PackageManager.MASK_PERMISSION_FLAGS, 0); 10509 changedInstallPermission = true; 10510 Slog.i(TAG, "Un-granting permission " + perm 10511 + " from package " + pkg.packageName 10512 + " (protectionLevel=" + bp.protectionLevel 10513 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10514 + ")"); 10515 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10516 // Don't print warning for app op permissions, since it is fine for them 10517 // not to be granted, there is a UI for the user to decide. 10518 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10519 Slog.w(TAG, "Not granting permission " + perm 10520 + " to package " + pkg.packageName 10521 + " (protectionLevel=" + bp.protectionLevel 10522 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10523 + ")"); 10524 } 10525 } 10526 } 10527 } 10528 10529 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10530 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10531 // This is the first that we have heard about this package, so the 10532 // permissions we have now selected are fixed until explicitly 10533 // changed. 10534 ps.installPermissionsFixed = true; 10535 } 10536 10537 // Persist the runtime permissions state for users with changes. If permissions 10538 // were revoked because no app in the shared user declares them we have to 10539 // write synchronously to avoid losing runtime permissions state. 10540 for (int userId : changedRuntimePermissionUserIds) { 10541 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10542 } 10543 } 10544 10545 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10546 boolean allowed = false; 10547 final int NP = PackageParser.NEW_PERMISSIONS.length; 10548 for (int ip=0; ip<NP; ip++) { 10549 final PackageParser.NewPermissionInfo npi 10550 = PackageParser.NEW_PERMISSIONS[ip]; 10551 if (npi.name.equals(perm) 10552 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10553 allowed = true; 10554 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10555 + pkg.packageName); 10556 break; 10557 } 10558 } 10559 return allowed; 10560 } 10561 10562 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10563 BasePermission bp, PermissionsState origPermissions) { 10564 boolean privilegedPermission = (bp.protectionLevel 10565 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 10566 boolean privappPermissionsDisable = 10567 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 10568 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 10569 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 10570 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 10571 && !platformPackage && platformPermission) { 10572 ArraySet<String> wlPermissions = SystemConfig.getInstance() 10573 .getPrivAppPermissions(pkg.packageName); 10574 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 10575 if (!whitelisted) { 10576 Slog.w(TAG, "Privileged permission " + perm + " for package " 10577 + pkg.packageName + " - not in privapp-permissions whitelist"); 10578 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 10579 return false; 10580 } 10581 } 10582 } 10583 boolean allowed = (compareSignatures( 10584 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10585 == PackageManager.SIGNATURE_MATCH) 10586 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10587 == PackageManager.SIGNATURE_MATCH); 10588 if (!allowed && privilegedPermission) { 10589 if (isSystemApp(pkg)) { 10590 // For updated system applications, a system permission 10591 // is granted only if it had been defined by the original application. 10592 if (pkg.isUpdatedSystemApp()) { 10593 final PackageSetting sysPs = mSettings 10594 .getDisabledSystemPkgLPr(pkg.packageName); 10595 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10596 // If the original was granted this permission, we take 10597 // that grant decision as read and propagate it to the 10598 // update. 10599 if (sysPs.isPrivileged()) { 10600 allowed = true; 10601 } 10602 } else { 10603 // The system apk may have been updated with an older 10604 // version of the one on the data partition, but which 10605 // granted a new system permission that it didn't have 10606 // before. In this case we do want to allow the app to 10607 // now get the new permission if the ancestral apk is 10608 // privileged to get it. 10609 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10610 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10611 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10612 allowed = true; 10613 break; 10614 } 10615 } 10616 } 10617 // Also if a privileged parent package on the system image or any of 10618 // its children requested a privileged permission, the updated child 10619 // packages can also get the permission. 10620 if (pkg.parentPackage != null) { 10621 final PackageSetting disabledSysParentPs = mSettings 10622 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10623 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10624 && disabledSysParentPs.isPrivileged()) { 10625 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10626 allowed = true; 10627 } else if (disabledSysParentPs.pkg.childPackages != null) { 10628 final int count = disabledSysParentPs.pkg.childPackages.size(); 10629 for (int i = 0; i < count; i++) { 10630 PackageParser.Package disabledSysChildPkg = 10631 disabledSysParentPs.pkg.childPackages.get(i); 10632 if (isPackageRequestingPermission(disabledSysChildPkg, 10633 perm)) { 10634 allowed = true; 10635 break; 10636 } 10637 } 10638 } 10639 } 10640 } 10641 } 10642 } else { 10643 allowed = isPrivilegedApp(pkg); 10644 } 10645 } 10646 } 10647 if (!allowed) { 10648 if (!allowed && (bp.protectionLevel 10649 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10650 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10651 // If this was a previously normal/dangerous permission that got moved 10652 // to a system permission as part of the runtime permission redesign, then 10653 // we still want to blindly grant it to old apps. 10654 allowed = true; 10655 } 10656 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10657 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10658 // If this permission is to be granted to the system installer and 10659 // this app is an installer, then it gets the permission. 10660 allowed = true; 10661 } 10662 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10663 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10664 // If this permission is to be granted to the system verifier and 10665 // this app is a verifier, then it gets the permission. 10666 allowed = true; 10667 } 10668 if (!allowed && (bp.protectionLevel 10669 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10670 && isSystemApp(pkg)) { 10671 // Any pre-installed system app is allowed to get this permission. 10672 allowed = true; 10673 } 10674 if (!allowed && (bp.protectionLevel 10675 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10676 // For development permissions, a development permission 10677 // is granted only if it was already granted. 10678 allowed = origPermissions.hasInstallPermission(perm); 10679 } 10680 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10681 && pkg.packageName.equals(mSetupWizardPackage)) { 10682 // If this permission is to be granted to the system setup wizard and 10683 // this app is a setup wizard, then it gets the permission. 10684 allowed = true; 10685 } 10686 } 10687 return allowed; 10688 } 10689 10690 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10691 final int permCount = pkg.requestedPermissions.size(); 10692 for (int j = 0; j < permCount; j++) { 10693 String requestedPermission = pkg.requestedPermissions.get(j); 10694 if (permission.equals(requestedPermission)) { 10695 return true; 10696 } 10697 } 10698 return false; 10699 } 10700 10701 final class ActivityIntentResolver 10702 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10703 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10704 boolean defaultOnly, int userId) { 10705 if (!sUserManager.exists(userId)) return null; 10706 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10707 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10708 } 10709 10710 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10711 int userId) { 10712 if (!sUserManager.exists(userId)) return null; 10713 mFlags = flags; 10714 return super.queryIntent(intent, resolvedType, 10715 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10716 } 10717 10718 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10719 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10720 if (!sUserManager.exists(userId)) return null; 10721 if (packageActivities == null) { 10722 return null; 10723 } 10724 mFlags = flags; 10725 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10726 final int N = packageActivities.size(); 10727 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10728 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10729 10730 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10731 for (int i = 0; i < N; ++i) { 10732 intentFilters = packageActivities.get(i).intents; 10733 if (intentFilters != null && intentFilters.size() > 0) { 10734 PackageParser.ActivityIntentInfo[] array = 10735 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10736 intentFilters.toArray(array); 10737 listCut.add(array); 10738 } 10739 } 10740 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10741 } 10742 10743 /** 10744 * Finds a privileged activity that matches the specified activity names. 10745 */ 10746 private PackageParser.Activity findMatchingActivity( 10747 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10748 for (PackageParser.Activity sysActivity : activityList) { 10749 if (sysActivity.info.name.equals(activityInfo.name)) { 10750 return sysActivity; 10751 } 10752 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10753 return sysActivity; 10754 } 10755 if (sysActivity.info.targetActivity != null) { 10756 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10757 return sysActivity; 10758 } 10759 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10760 return sysActivity; 10761 } 10762 } 10763 } 10764 return null; 10765 } 10766 10767 public class IterGenerator<E> { 10768 public Iterator<E> generate(ActivityIntentInfo info) { 10769 return null; 10770 } 10771 } 10772 10773 public class ActionIterGenerator extends IterGenerator<String> { 10774 @Override 10775 public Iterator<String> generate(ActivityIntentInfo info) { 10776 return info.actionsIterator(); 10777 } 10778 } 10779 10780 public class CategoriesIterGenerator extends IterGenerator<String> { 10781 @Override 10782 public Iterator<String> generate(ActivityIntentInfo info) { 10783 return info.categoriesIterator(); 10784 } 10785 } 10786 10787 public class SchemesIterGenerator extends IterGenerator<String> { 10788 @Override 10789 public Iterator<String> generate(ActivityIntentInfo info) { 10790 return info.schemesIterator(); 10791 } 10792 } 10793 10794 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10795 @Override 10796 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10797 return info.authoritiesIterator(); 10798 } 10799 } 10800 10801 /** 10802 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10803 * MODIFIED. Do not pass in a list that should not be changed. 10804 */ 10805 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10806 IterGenerator<T> generator, Iterator<T> searchIterator) { 10807 // loop through the set of actions; every one must be found in the intent filter 10808 while (searchIterator.hasNext()) { 10809 // we must have at least one filter in the list to consider a match 10810 if (intentList.size() == 0) { 10811 break; 10812 } 10813 10814 final T searchAction = searchIterator.next(); 10815 10816 // loop through the set of intent filters 10817 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10818 while (intentIter.hasNext()) { 10819 final ActivityIntentInfo intentInfo = intentIter.next(); 10820 boolean selectionFound = false; 10821 10822 // loop through the intent filter's selection criteria; at least one 10823 // of them must match the searched criteria 10824 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10825 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10826 final T intentSelection = intentSelectionIter.next(); 10827 if (intentSelection != null && intentSelection.equals(searchAction)) { 10828 selectionFound = true; 10829 break; 10830 } 10831 } 10832 10833 // the selection criteria wasn't found in this filter's set; this filter 10834 // is not a potential match 10835 if (!selectionFound) { 10836 intentIter.remove(); 10837 } 10838 } 10839 } 10840 } 10841 10842 private boolean isProtectedAction(ActivityIntentInfo filter) { 10843 final Iterator<String> actionsIter = filter.actionsIterator(); 10844 while (actionsIter != null && actionsIter.hasNext()) { 10845 final String filterAction = actionsIter.next(); 10846 if (PROTECTED_ACTIONS.contains(filterAction)) { 10847 return true; 10848 } 10849 } 10850 return false; 10851 } 10852 10853 /** 10854 * Adjusts the priority of the given intent filter according to policy. 10855 * <p> 10856 * <ul> 10857 * <li>The priority for non privileged applications is capped to '0'</li> 10858 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10859 * <li>The priority for unbundled updates to privileged applications is capped to the 10860 * priority defined on the system partition</li> 10861 * </ul> 10862 * <p> 10863 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10864 * allowed to obtain any priority on any action. 10865 */ 10866 private void adjustPriority( 10867 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10868 // nothing to do; priority is fine as-is 10869 if (intent.getPriority() <= 0) { 10870 return; 10871 } 10872 10873 final ActivityInfo activityInfo = intent.activity.info; 10874 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10875 10876 final boolean privilegedApp = 10877 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10878 if (!privilegedApp) { 10879 // non-privileged applications can never define a priority >0 10880 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10881 + " package: " + applicationInfo.packageName 10882 + " activity: " + intent.activity.className 10883 + " origPrio: " + intent.getPriority()); 10884 intent.setPriority(0); 10885 return; 10886 } 10887 10888 if (systemActivities == null) { 10889 // the system package is not disabled; we're parsing the system partition 10890 if (isProtectedAction(intent)) { 10891 if (mDeferProtectedFilters) { 10892 // We can't deal with these just yet. No component should ever obtain a 10893 // >0 priority for a protected actions, with ONE exception -- the setup 10894 // wizard. The setup wizard, however, cannot be known until we're able to 10895 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10896 // until all intent filters have been processed. Chicken, meet egg. 10897 // Let the filter temporarily have a high priority and rectify the 10898 // priorities after all system packages have been scanned. 10899 mProtectedFilters.add(intent); 10900 if (DEBUG_FILTERS) { 10901 Slog.i(TAG, "Protected action; save for later;" 10902 + " package: " + applicationInfo.packageName 10903 + " activity: " + intent.activity.className 10904 + " origPrio: " + intent.getPriority()); 10905 } 10906 return; 10907 } else { 10908 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10909 Slog.i(TAG, "No setup wizard;" 10910 + " All protected intents capped to priority 0"); 10911 } 10912 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10913 if (DEBUG_FILTERS) { 10914 Slog.i(TAG, "Found setup wizard;" 10915 + " allow priority " + intent.getPriority() + ";" 10916 + " package: " + intent.activity.info.packageName 10917 + " activity: " + intent.activity.className 10918 + " priority: " + intent.getPriority()); 10919 } 10920 // setup wizard gets whatever it wants 10921 return; 10922 } 10923 Slog.w(TAG, "Protected action; cap priority to 0;" 10924 + " package: " + intent.activity.info.packageName 10925 + " activity: " + intent.activity.className 10926 + " origPrio: " + intent.getPriority()); 10927 intent.setPriority(0); 10928 return; 10929 } 10930 } 10931 // privileged apps on the system image get whatever priority they request 10932 return; 10933 } 10934 10935 // privileged app unbundled update ... try to find the same activity 10936 final PackageParser.Activity foundActivity = 10937 findMatchingActivity(systemActivities, activityInfo); 10938 if (foundActivity == null) { 10939 // this is a new activity; it cannot obtain >0 priority 10940 if (DEBUG_FILTERS) { 10941 Slog.i(TAG, "New activity; cap priority to 0;" 10942 + " package: " + applicationInfo.packageName 10943 + " activity: " + intent.activity.className 10944 + " origPrio: " + intent.getPriority()); 10945 } 10946 intent.setPriority(0); 10947 return; 10948 } 10949 10950 // found activity, now check for filter equivalence 10951 10952 // a shallow copy is enough; we modify the list, not its contents 10953 final List<ActivityIntentInfo> intentListCopy = 10954 new ArrayList<>(foundActivity.intents); 10955 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10956 10957 // find matching action subsets 10958 final Iterator<String> actionsIterator = intent.actionsIterator(); 10959 if (actionsIterator != null) { 10960 getIntentListSubset( 10961 intentListCopy, new ActionIterGenerator(), actionsIterator); 10962 if (intentListCopy.size() == 0) { 10963 // no more intents to match; we're not equivalent 10964 if (DEBUG_FILTERS) { 10965 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10966 + " package: " + applicationInfo.packageName 10967 + " activity: " + intent.activity.className 10968 + " origPrio: " + intent.getPriority()); 10969 } 10970 intent.setPriority(0); 10971 return; 10972 } 10973 } 10974 10975 // find matching category subsets 10976 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10977 if (categoriesIterator != null) { 10978 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10979 categoriesIterator); 10980 if (intentListCopy.size() == 0) { 10981 // no more intents to match; we're not equivalent 10982 if (DEBUG_FILTERS) { 10983 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10984 + " package: " + applicationInfo.packageName 10985 + " activity: " + intent.activity.className 10986 + " origPrio: " + intent.getPriority()); 10987 } 10988 intent.setPriority(0); 10989 return; 10990 } 10991 } 10992 10993 // find matching schemes subsets 10994 final Iterator<String> schemesIterator = intent.schemesIterator(); 10995 if (schemesIterator != null) { 10996 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10997 schemesIterator); 10998 if (intentListCopy.size() == 0) { 10999 // no more intents to match; we're not equivalent 11000 if (DEBUG_FILTERS) { 11001 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 11002 + " package: " + applicationInfo.packageName 11003 + " activity: " + intent.activity.className 11004 + " origPrio: " + intent.getPriority()); 11005 } 11006 intent.setPriority(0); 11007 return; 11008 } 11009 } 11010 11011 // find matching authorities subsets 11012 final Iterator<IntentFilter.AuthorityEntry> 11013 authoritiesIterator = intent.authoritiesIterator(); 11014 if (authoritiesIterator != null) { 11015 getIntentListSubset(intentListCopy, 11016 new AuthoritiesIterGenerator(), 11017 authoritiesIterator); 11018 if (intentListCopy.size() == 0) { 11019 // no more intents to match; we're not equivalent 11020 if (DEBUG_FILTERS) { 11021 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 11022 + " package: " + applicationInfo.packageName 11023 + " activity: " + intent.activity.className 11024 + " origPrio: " + intent.getPriority()); 11025 } 11026 intent.setPriority(0); 11027 return; 11028 } 11029 } 11030 11031 // we found matching filter(s); app gets the max priority of all intents 11032 int cappedPriority = 0; 11033 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 11034 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 11035 } 11036 if (intent.getPriority() > cappedPriority) { 11037 if (DEBUG_FILTERS) { 11038 Slog.i(TAG, "Found matching filter(s);" 11039 + " cap priority to " + cappedPriority + ";" 11040 + " package: " + applicationInfo.packageName 11041 + " activity: " + intent.activity.className 11042 + " origPrio: " + intent.getPriority()); 11043 } 11044 intent.setPriority(cappedPriority); 11045 return; 11046 } 11047 // all this for nothing; the requested priority was <= what was on the system 11048 } 11049 11050 public final void addActivity(PackageParser.Activity a, String type) { 11051 mActivities.put(a.getComponentName(), a); 11052 if (DEBUG_SHOW_INFO) 11053 Log.v( 11054 TAG, " " + type + " " + 11055 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 11056 if (DEBUG_SHOW_INFO) 11057 Log.v(TAG, " Class=" + a.info.name); 11058 final int NI = a.intents.size(); 11059 for (int j=0; j<NI; j++) { 11060 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 11061 if ("activity".equals(type)) { 11062 final PackageSetting ps = 11063 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 11064 final List<PackageParser.Activity> systemActivities = 11065 ps != null && ps.pkg != null ? ps.pkg.activities : null; 11066 adjustPriority(systemActivities, intent); 11067 } 11068 if (DEBUG_SHOW_INFO) { 11069 Log.v(TAG, " IntentFilter:"); 11070 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11071 } 11072 if (!intent.debugCheck()) { 11073 Log.w(TAG, "==> For Activity " + a.info.name); 11074 } 11075 addFilter(intent); 11076 } 11077 } 11078 11079 public final void removeActivity(PackageParser.Activity a, String type) { 11080 mActivities.remove(a.getComponentName()); 11081 if (DEBUG_SHOW_INFO) { 11082 Log.v(TAG, " " + type + " " 11083 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 11084 : a.info.name) + ":"); 11085 Log.v(TAG, " Class=" + a.info.name); 11086 } 11087 final int NI = a.intents.size(); 11088 for (int j=0; j<NI; j++) { 11089 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 11090 if (DEBUG_SHOW_INFO) { 11091 Log.v(TAG, " IntentFilter:"); 11092 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11093 } 11094 removeFilter(intent); 11095 } 11096 } 11097 11098 @Override 11099 protected boolean allowFilterResult( 11100 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 11101 ActivityInfo filterAi = filter.activity.info; 11102 for (int i=dest.size()-1; i>=0; i--) { 11103 ActivityInfo destAi = dest.get(i).activityInfo; 11104 if (destAi.name == filterAi.name 11105 && destAi.packageName == filterAi.packageName) { 11106 return false; 11107 } 11108 } 11109 return true; 11110 } 11111 11112 @Override 11113 protected ActivityIntentInfo[] newArray(int size) { 11114 return new ActivityIntentInfo[size]; 11115 } 11116 11117 @Override 11118 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 11119 if (!sUserManager.exists(userId)) return true; 11120 PackageParser.Package p = filter.activity.owner; 11121 if (p != null) { 11122 PackageSetting ps = (PackageSetting)p.mExtras; 11123 if (ps != null) { 11124 // System apps are never considered stopped for purposes of 11125 // filtering, because there may be no way for the user to 11126 // actually re-launch them. 11127 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 11128 && ps.getStopped(userId); 11129 } 11130 } 11131 return false; 11132 } 11133 11134 @Override 11135 protected boolean isPackageForFilter(String packageName, 11136 PackageParser.ActivityIntentInfo info) { 11137 return packageName.equals(info.activity.owner.packageName); 11138 } 11139 11140 @Override 11141 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 11142 int match, int userId) { 11143 if (!sUserManager.exists(userId)) return null; 11144 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 11145 return null; 11146 } 11147 final PackageParser.Activity activity = info.activity; 11148 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 11149 if (ps == null) { 11150 return null; 11151 } 11152 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 11153 ps.readUserState(userId), userId); 11154 if (ai == null) { 11155 return null; 11156 } 11157 final ResolveInfo res = new ResolveInfo(); 11158 res.activityInfo = ai; 11159 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11160 res.filter = info; 11161 } 11162 if (info != null) { 11163 res.handleAllWebDataURI = info.handleAllWebDataURI(); 11164 } 11165 res.priority = info.getPriority(); 11166 res.preferredOrder = activity.owner.mPreferredOrder; 11167 //System.out.println("Result: " + res.activityInfo.className + 11168 // " = " + res.priority); 11169 res.match = match; 11170 res.isDefault = info.hasDefault; 11171 res.labelRes = info.labelRes; 11172 res.nonLocalizedLabel = info.nonLocalizedLabel; 11173 if (userNeedsBadging(userId)) { 11174 res.noResourceId = true; 11175 } else { 11176 res.icon = info.icon; 11177 } 11178 res.iconResourceId = info.icon; 11179 res.system = res.activityInfo.applicationInfo.isSystemApp(); 11180 return res; 11181 } 11182 11183 @Override 11184 protected void sortResults(List<ResolveInfo> results) { 11185 Collections.sort(results, mResolvePrioritySorter); 11186 } 11187 11188 @Override 11189 protected void dumpFilter(PrintWriter out, String prefix, 11190 PackageParser.ActivityIntentInfo filter) { 11191 out.print(prefix); out.print( 11192 Integer.toHexString(System.identityHashCode(filter.activity))); 11193 out.print(' '); 11194 filter.activity.printComponentShortName(out); 11195 out.print(" filter "); 11196 out.println(Integer.toHexString(System.identityHashCode(filter))); 11197 } 11198 11199 @Override 11200 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 11201 return filter.activity; 11202 } 11203 11204 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11205 PackageParser.Activity activity = (PackageParser.Activity)label; 11206 out.print(prefix); out.print( 11207 Integer.toHexString(System.identityHashCode(activity))); 11208 out.print(' '); 11209 activity.printComponentShortName(out); 11210 if (count > 1) { 11211 out.print(" ("); out.print(count); out.print(" filters)"); 11212 } 11213 out.println(); 11214 } 11215 11216 // Keys are String (activity class name), values are Activity. 11217 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 11218 = new ArrayMap<ComponentName, PackageParser.Activity>(); 11219 private int mFlags; 11220 } 11221 11222 private final class ServiceIntentResolver 11223 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 11224 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11225 boolean defaultOnly, int userId) { 11226 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11227 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11228 } 11229 11230 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11231 int userId) { 11232 if (!sUserManager.exists(userId)) return null; 11233 mFlags = flags; 11234 return super.queryIntent(intent, resolvedType, 11235 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11236 } 11237 11238 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11239 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 11240 if (!sUserManager.exists(userId)) return null; 11241 if (packageServices == null) { 11242 return null; 11243 } 11244 mFlags = flags; 11245 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 11246 final int N = packageServices.size(); 11247 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 11248 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 11249 11250 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 11251 for (int i = 0; i < N; ++i) { 11252 intentFilters = packageServices.get(i).intents; 11253 if (intentFilters != null && intentFilters.size() > 0) { 11254 PackageParser.ServiceIntentInfo[] array = 11255 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 11256 intentFilters.toArray(array); 11257 listCut.add(array); 11258 } 11259 } 11260 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11261 } 11262 11263 public final void addService(PackageParser.Service s) { 11264 mServices.put(s.getComponentName(), s); 11265 if (DEBUG_SHOW_INFO) { 11266 Log.v(TAG, " " 11267 + (s.info.nonLocalizedLabel != null 11268 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11269 Log.v(TAG, " Class=" + s.info.name); 11270 } 11271 final int NI = s.intents.size(); 11272 int j; 11273 for (j=0; j<NI; j++) { 11274 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11275 if (DEBUG_SHOW_INFO) { 11276 Log.v(TAG, " IntentFilter:"); 11277 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11278 } 11279 if (!intent.debugCheck()) { 11280 Log.w(TAG, "==> For Service " + s.info.name); 11281 } 11282 addFilter(intent); 11283 } 11284 } 11285 11286 public final void removeService(PackageParser.Service s) { 11287 mServices.remove(s.getComponentName()); 11288 if (DEBUG_SHOW_INFO) { 11289 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 11290 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11291 Log.v(TAG, " Class=" + s.info.name); 11292 } 11293 final int NI = s.intents.size(); 11294 int j; 11295 for (j=0; j<NI; j++) { 11296 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11297 if (DEBUG_SHOW_INFO) { 11298 Log.v(TAG, " IntentFilter:"); 11299 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11300 } 11301 removeFilter(intent); 11302 } 11303 } 11304 11305 @Override 11306 protected boolean allowFilterResult( 11307 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11308 ServiceInfo filterSi = filter.service.info; 11309 for (int i=dest.size()-1; i>=0; i--) { 11310 ServiceInfo destAi = dest.get(i).serviceInfo; 11311 if (destAi.name == filterSi.name 11312 && destAi.packageName == filterSi.packageName) { 11313 return false; 11314 } 11315 } 11316 return true; 11317 } 11318 11319 @Override 11320 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11321 return new PackageParser.ServiceIntentInfo[size]; 11322 } 11323 11324 @Override 11325 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11326 if (!sUserManager.exists(userId)) return true; 11327 PackageParser.Package p = filter.service.owner; 11328 if (p != null) { 11329 PackageSetting ps = (PackageSetting)p.mExtras; 11330 if (ps != null) { 11331 // System apps are never considered stopped for purposes of 11332 // filtering, because there may be no way for the user to 11333 // actually re-launch them. 11334 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11335 && ps.getStopped(userId); 11336 } 11337 } 11338 return false; 11339 } 11340 11341 @Override 11342 protected boolean isPackageForFilter(String packageName, 11343 PackageParser.ServiceIntentInfo info) { 11344 return packageName.equals(info.service.owner.packageName); 11345 } 11346 11347 @Override 11348 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11349 int match, int userId) { 11350 if (!sUserManager.exists(userId)) return null; 11351 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11352 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11353 return null; 11354 } 11355 final PackageParser.Service service = info.service; 11356 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11357 if (ps == null) { 11358 return null; 11359 } 11360 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11361 ps.readUserState(userId), userId); 11362 if (si == null) { 11363 return null; 11364 } 11365 final ResolveInfo res = new ResolveInfo(); 11366 res.serviceInfo = si; 11367 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11368 res.filter = filter; 11369 } 11370 res.priority = info.getPriority(); 11371 res.preferredOrder = service.owner.mPreferredOrder; 11372 res.match = match; 11373 res.isDefault = info.hasDefault; 11374 res.labelRes = info.labelRes; 11375 res.nonLocalizedLabel = info.nonLocalizedLabel; 11376 res.icon = info.icon; 11377 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11378 return res; 11379 } 11380 11381 @Override 11382 protected void sortResults(List<ResolveInfo> results) { 11383 Collections.sort(results, mResolvePrioritySorter); 11384 } 11385 11386 @Override 11387 protected void dumpFilter(PrintWriter out, String prefix, 11388 PackageParser.ServiceIntentInfo filter) { 11389 out.print(prefix); out.print( 11390 Integer.toHexString(System.identityHashCode(filter.service))); 11391 out.print(' '); 11392 filter.service.printComponentShortName(out); 11393 out.print(" filter "); 11394 out.println(Integer.toHexString(System.identityHashCode(filter))); 11395 } 11396 11397 @Override 11398 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11399 return filter.service; 11400 } 11401 11402 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11403 PackageParser.Service service = (PackageParser.Service)label; 11404 out.print(prefix); out.print( 11405 Integer.toHexString(System.identityHashCode(service))); 11406 out.print(' '); 11407 service.printComponentShortName(out); 11408 if (count > 1) { 11409 out.print(" ("); out.print(count); out.print(" filters)"); 11410 } 11411 out.println(); 11412 } 11413 11414// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11415// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11416// final List<ResolveInfo> retList = Lists.newArrayList(); 11417// while (i.hasNext()) { 11418// final ResolveInfo resolveInfo = (ResolveInfo) i; 11419// if (isEnabledLP(resolveInfo.serviceInfo)) { 11420// retList.add(resolveInfo); 11421// } 11422// } 11423// return retList; 11424// } 11425 11426 // Keys are String (activity class name), values are Activity. 11427 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11428 = new ArrayMap<ComponentName, PackageParser.Service>(); 11429 private int mFlags; 11430 }; 11431 11432 private final class ProviderIntentResolver 11433 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11434 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11435 boolean defaultOnly, int userId) { 11436 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11437 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11438 } 11439 11440 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11441 int userId) { 11442 if (!sUserManager.exists(userId)) 11443 return null; 11444 mFlags = flags; 11445 return super.queryIntent(intent, resolvedType, 11446 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11447 } 11448 11449 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11450 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11451 if (!sUserManager.exists(userId)) 11452 return null; 11453 if (packageProviders == null) { 11454 return null; 11455 } 11456 mFlags = flags; 11457 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11458 final int N = packageProviders.size(); 11459 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11460 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11461 11462 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11463 for (int i = 0; i < N; ++i) { 11464 intentFilters = packageProviders.get(i).intents; 11465 if (intentFilters != null && intentFilters.size() > 0) { 11466 PackageParser.ProviderIntentInfo[] array = 11467 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11468 intentFilters.toArray(array); 11469 listCut.add(array); 11470 } 11471 } 11472 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11473 } 11474 11475 public final void addProvider(PackageParser.Provider p) { 11476 if (mProviders.containsKey(p.getComponentName())) { 11477 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11478 return; 11479 } 11480 11481 mProviders.put(p.getComponentName(), p); 11482 if (DEBUG_SHOW_INFO) { 11483 Log.v(TAG, " " 11484 + (p.info.nonLocalizedLabel != null 11485 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11486 Log.v(TAG, " Class=" + p.info.name); 11487 } 11488 final int NI = p.intents.size(); 11489 int j; 11490 for (j = 0; j < NI; j++) { 11491 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11492 if (DEBUG_SHOW_INFO) { 11493 Log.v(TAG, " IntentFilter:"); 11494 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11495 } 11496 if (!intent.debugCheck()) { 11497 Log.w(TAG, "==> For Provider " + p.info.name); 11498 } 11499 addFilter(intent); 11500 } 11501 } 11502 11503 public final void removeProvider(PackageParser.Provider p) { 11504 mProviders.remove(p.getComponentName()); 11505 if (DEBUG_SHOW_INFO) { 11506 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11507 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11508 Log.v(TAG, " Class=" + p.info.name); 11509 } 11510 final int NI = p.intents.size(); 11511 int j; 11512 for (j = 0; j < NI; j++) { 11513 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11514 if (DEBUG_SHOW_INFO) { 11515 Log.v(TAG, " IntentFilter:"); 11516 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11517 } 11518 removeFilter(intent); 11519 } 11520 } 11521 11522 @Override 11523 protected boolean allowFilterResult( 11524 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11525 ProviderInfo filterPi = filter.provider.info; 11526 for (int i = dest.size() - 1; i >= 0; i--) { 11527 ProviderInfo destPi = dest.get(i).providerInfo; 11528 if (destPi.name == filterPi.name 11529 && destPi.packageName == filterPi.packageName) { 11530 return false; 11531 } 11532 } 11533 return true; 11534 } 11535 11536 @Override 11537 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11538 return new PackageParser.ProviderIntentInfo[size]; 11539 } 11540 11541 @Override 11542 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11543 if (!sUserManager.exists(userId)) 11544 return true; 11545 PackageParser.Package p = filter.provider.owner; 11546 if (p != null) { 11547 PackageSetting ps = (PackageSetting) p.mExtras; 11548 if (ps != null) { 11549 // System apps are never considered stopped for purposes of 11550 // filtering, because there may be no way for the user to 11551 // actually re-launch them. 11552 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11553 && ps.getStopped(userId); 11554 } 11555 } 11556 return false; 11557 } 11558 11559 @Override 11560 protected boolean isPackageForFilter(String packageName, 11561 PackageParser.ProviderIntentInfo info) { 11562 return packageName.equals(info.provider.owner.packageName); 11563 } 11564 11565 @Override 11566 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11567 int match, int userId) { 11568 if (!sUserManager.exists(userId)) 11569 return null; 11570 final PackageParser.ProviderIntentInfo info = filter; 11571 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11572 return null; 11573 } 11574 final PackageParser.Provider provider = info.provider; 11575 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11576 if (ps == null) { 11577 return null; 11578 } 11579 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11580 ps.readUserState(userId), userId); 11581 if (pi == null) { 11582 return null; 11583 } 11584 final ResolveInfo res = new ResolveInfo(); 11585 res.providerInfo = pi; 11586 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11587 res.filter = filter; 11588 } 11589 res.priority = info.getPriority(); 11590 res.preferredOrder = provider.owner.mPreferredOrder; 11591 res.match = match; 11592 res.isDefault = info.hasDefault; 11593 res.labelRes = info.labelRes; 11594 res.nonLocalizedLabel = info.nonLocalizedLabel; 11595 res.icon = info.icon; 11596 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11597 return res; 11598 } 11599 11600 @Override 11601 protected void sortResults(List<ResolveInfo> results) { 11602 Collections.sort(results, mResolvePrioritySorter); 11603 } 11604 11605 @Override 11606 protected void dumpFilter(PrintWriter out, String prefix, 11607 PackageParser.ProviderIntentInfo filter) { 11608 out.print(prefix); 11609 out.print( 11610 Integer.toHexString(System.identityHashCode(filter.provider))); 11611 out.print(' '); 11612 filter.provider.printComponentShortName(out); 11613 out.print(" filter "); 11614 out.println(Integer.toHexString(System.identityHashCode(filter))); 11615 } 11616 11617 @Override 11618 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11619 return filter.provider; 11620 } 11621 11622 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11623 PackageParser.Provider provider = (PackageParser.Provider)label; 11624 out.print(prefix); out.print( 11625 Integer.toHexString(System.identityHashCode(provider))); 11626 out.print(' '); 11627 provider.printComponentShortName(out); 11628 if (count > 1) { 11629 out.print(" ("); out.print(count); out.print(" filters)"); 11630 } 11631 out.println(); 11632 } 11633 11634 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11635 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11636 private int mFlags; 11637 } 11638 11639 static final class EphemeralIntentResolver 11640 extends IntentResolver<EphemeralResponse, EphemeralResponse> { 11641 /** 11642 * The result that has the highest defined order. Ordering applies on a 11643 * per-package basis. Mapping is from package name to Pair of order and 11644 * EphemeralResolveInfo. 11645 * <p> 11646 * NOTE: This is implemented as a field variable for convenience and efficiency. 11647 * By having a field variable, we're able to track filter ordering as soon as 11648 * a non-zero order is defined. Otherwise, multiple loops across the result set 11649 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 11650 * this needs to be contained entirely within {@link #filterResults()}. 11651 */ 11652 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 11653 11654 @Override 11655 protected EphemeralResponse[] newArray(int size) { 11656 return new EphemeralResponse[size]; 11657 } 11658 11659 @Override 11660 protected boolean isPackageForFilter(String packageName, EphemeralResponse responseObj) { 11661 return true; 11662 } 11663 11664 @Override 11665 protected EphemeralResponse newResult(EphemeralResponse responseObj, int match, 11666 int userId) { 11667 if (!sUserManager.exists(userId)) { 11668 return null; 11669 } 11670 final String packageName = responseObj.resolveInfo.getPackageName(); 11671 final Integer order = responseObj.getOrder(); 11672 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 11673 mOrderResult.get(packageName); 11674 // ordering is enabled and this item's order isn't high enough 11675 if (lastOrderResult != null && lastOrderResult.first >= order) { 11676 return null; 11677 } 11678 final EphemeralResolveInfo res = responseObj.resolveInfo; 11679 if (order > 0) { 11680 // non-zero order, enable ordering 11681 mOrderResult.put(packageName, new Pair<>(order, res)); 11682 } 11683 return responseObj; 11684 } 11685 11686 @Override 11687 protected void filterResults(List<EphemeralResponse> results) { 11688 // only do work if ordering is enabled [most of the time it won't be] 11689 if (mOrderResult.size() == 0) { 11690 return; 11691 } 11692 int resultSize = results.size(); 11693 for (int i = 0; i < resultSize; i++) { 11694 final EphemeralResolveInfo info = results.get(i).resolveInfo; 11695 final String packageName = info.getPackageName(); 11696 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 11697 if (savedInfo == null) { 11698 // package doesn't having ordering 11699 continue; 11700 } 11701 if (savedInfo.second == info) { 11702 // circled back to the highest ordered item; remove from order list 11703 mOrderResult.remove(savedInfo); 11704 if (mOrderResult.size() == 0) { 11705 // no more ordered items 11706 break; 11707 } 11708 continue; 11709 } 11710 // item has a worse order, remove it from the result list 11711 results.remove(i); 11712 resultSize--; 11713 i--; 11714 } 11715 } 11716 } 11717 11718 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11719 new Comparator<ResolveInfo>() { 11720 public int compare(ResolveInfo r1, ResolveInfo r2) { 11721 int v1 = r1.priority; 11722 int v2 = r2.priority; 11723 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11724 if (v1 != v2) { 11725 return (v1 > v2) ? -1 : 1; 11726 } 11727 v1 = r1.preferredOrder; 11728 v2 = r2.preferredOrder; 11729 if (v1 != v2) { 11730 return (v1 > v2) ? -1 : 1; 11731 } 11732 if (r1.isDefault != r2.isDefault) { 11733 return r1.isDefault ? -1 : 1; 11734 } 11735 v1 = r1.match; 11736 v2 = r2.match; 11737 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11738 if (v1 != v2) { 11739 return (v1 > v2) ? -1 : 1; 11740 } 11741 if (r1.system != r2.system) { 11742 return r1.system ? -1 : 1; 11743 } 11744 if (r1.activityInfo != null) { 11745 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11746 } 11747 if (r1.serviceInfo != null) { 11748 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11749 } 11750 if (r1.providerInfo != null) { 11751 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11752 } 11753 return 0; 11754 } 11755 }; 11756 11757 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11758 new Comparator<ProviderInfo>() { 11759 public int compare(ProviderInfo p1, ProviderInfo p2) { 11760 final int v1 = p1.initOrder; 11761 final int v2 = p2.initOrder; 11762 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11763 } 11764 }; 11765 11766 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11767 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11768 final int[] userIds) { 11769 mHandler.post(new Runnable() { 11770 @Override 11771 public void run() { 11772 try { 11773 final IActivityManager am = ActivityManager.getService(); 11774 if (am == null) return; 11775 final int[] resolvedUserIds; 11776 if (userIds == null) { 11777 resolvedUserIds = am.getRunningUserIds(); 11778 } else { 11779 resolvedUserIds = userIds; 11780 } 11781 for (int id : resolvedUserIds) { 11782 final Intent intent = new Intent(action, 11783 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 11784 if (extras != null) { 11785 intent.putExtras(extras); 11786 } 11787 if (targetPkg != null) { 11788 intent.setPackage(targetPkg); 11789 } 11790 // Modify the UID when posting to other users 11791 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11792 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11793 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11794 intent.putExtra(Intent.EXTRA_UID, uid); 11795 } 11796 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11797 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11798 if (DEBUG_BROADCASTS) { 11799 RuntimeException here = new RuntimeException("here"); 11800 here.fillInStackTrace(); 11801 Slog.d(TAG, "Sending to user " + id + ": " 11802 + intent.toShortString(false, true, false, false) 11803 + " " + intent.getExtras(), here); 11804 } 11805 am.broadcastIntent(null, intent, null, finishedReceiver, 11806 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11807 null, finishedReceiver != null, false, id); 11808 } 11809 } catch (RemoteException ex) { 11810 } 11811 } 11812 }); 11813 } 11814 11815 /** 11816 * Check if the external storage media is available. This is true if there 11817 * is a mounted external storage medium or if the external storage is 11818 * emulated. 11819 */ 11820 private boolean isExternalMediaAvailable() { 11821 return mMediaMounted || Environment.isExternalStorageEmulated(); 11822 } 11823 11824 @Override 11825 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11826 // writer 11827 synchronized (mPackages) { 11828 if (!isExternalMediaAvailable()) { 11829 // If the external storage is no longer mounted at this point, 11830 // the caller may not have been able to delete all of this 11831 // packages files and can not delete any more. Bail. 11832 return null; 11833 } 11834 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11835 if (lastPackage != null) { 11836 pkgs.remove(lastPackage); 11837 } 11838 if (pkgs.size() > 0) { 11839 return pkgs.get(0); 11840 } 11841 } 11842 return null; 11843 } 11844 11845 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11846 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11847 userId, andCode ? 1 : 0, packageName); 11848 if (mSystemReady) { 11849 msg.sendToTarget(); 11850 } else { 11851 if (mPostSystemReadyMessages == null) { 11852 mPostSystemReadyMessages = new ArrayList<>(); 11853 } 11854 mPostSystemReadyMessages.add(msg); 11855 } 11856 } 11857 11858 void startCleaningPackages() { 11859 // reader 11860 if (!isExternalMediaAvailable()) { 11861 return; 11862 } 11863 synchronized (mPackages) { 11864 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11865 return; 11866 } 11867 } 11868 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11869 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11870 IActivityManager am = ActivityManager.getService(); 11871 if (am != null) { 11872 try { 11873 am.startService(null, intent, null, mContext.getOpPackageName(), 11874 UserHandle.USER_SYSTEM); 11875 } catch (RemoteException e) { 11876 } 11877 } 11878 } 11879 11880 @Override 11881 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11882 int installFlags, String installerPackageName, int userId) { 11883 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11884 11885 final int callingUid = Binder.getCallingUid(); 11886 enforceCrossUserPermission(callingUid, userId, 11887 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11888 11889 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11890 try { 11891 if (observer != null) { 11892 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11893 } 11894 } catch (RemoteException re) { 11895 } 11896 return; 11897 } 11898 11899 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11900 installFlags |= PackageManager.INSTALL_FROM_ADB; 11901 11902 } else { 11903 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11904 // about installerPackageName. 11905 11906 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11907 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11908 } 11909 11910 UserHandle user; 11911 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11912 user = UserHandle.ALL; 11913 } else { 11914 user = new UserHandle(userId); 11915 } 11916 11917 // Only system components can circumvent runtime permissions when installing. 11918 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11919 && mContext.checkCallingOrSelfPermission(Manifest.permission 11920 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11921 throw new SecurityException("You need the " 11922 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11923 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11924 } 11925 11926 final File originFile = new File(originPath); 11927 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11928 11929 final Message msg = mHandler.obtainMessage(INIT_COPY); 11930 final VerificationInfo verificationInfo = new VerificationInfo( 11931 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11932 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11933 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11934 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11935 null /*certificates*/); 11936 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11937 msg.obj = params; 11938 11939 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11940 System.identityHashCode(msg.obj)); 11941 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11942 System.identityHashCode(msg.obj)); 11943 11944 mHandler.sendMessage(msg); 11945 } 11946 11947 void installStage(String packageName, File stagedDir, String stagedCid, 11948 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11949 String installerPackageName, int installerUid, UserHandle user, 11950 Certificate[][] certificates) { 11951 if (DEBUG_EPHEMERAL) { 11952 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11953 Slog.d(TAG, "Ephemeral install of " + packageName); 11954 } 11955 } 11956 final VerificationInfo verificationInfo = new VerificationInfo( 11957 sessionParams.originatingUri, sessionParams.referrerUri, 11958 sessionParams.originatingUid, installerUid); 11959 11960 final OriginInfo origin; 11961 if (stagedDir != null) { 11962 origin = OriginInfo.fromStagedFile(stagedDir); 11963 } else { 11964 origin = OriginInfo.fromStagedContainer(stagedCid); 11965 } 11966 11967 final Message msg = mHandler.obtainMessage(INIT_COPY); 11968 final InstallParams params = new InstallParams(origin, null, observer, 11969 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11970 verificationInfo, user, sessionParams.abiOverride, 11971 sessionParams.grantedRuntimePermissions, certificates); 11972 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11973 msg.obj = params; 11974 11975 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11976 System.identityHashCode(msg.obj)); 11977 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11978 System.identityHashCode(msg.obj)); 11979 11980 mHandler.sendMessage(msg); 11981 } 11982 11983 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11984 int userId) { 11985 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11986 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 11987 } 11988 11989 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 11990 int appId, int... userIds) { 11991 if (ArrayUtils.isEmpty(userIds)) { 11992 return; 11993 } 11994 Bundle extras = new Bundle(1); 11995 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 11996 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 11997 11998 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11999 packageName, extras, 0, null, null, userIds); 12000 if (isSystem) { 12001 mHandler.post(() -> { 12002 for (int userId : userIds) { 12003 sendBootCompletedBroadcastToSystemApp(packageName, userId); 12004 } 12005 } 12006 ); 12007 } 12008 } 12009 12010 /** 12011 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 12012 * automatically without needing an explicit launch. 12013 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 12014 */ 12015 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 12016 // If user is not running, the app didn't miss any broadcast 12017 if (!mUserManagerInternal.isUserRunning(userId)) { 12018 return; 12019 } 12020 final IActivityManager am = ActivityManager.getService(); 12021 try { 12022 // Deliver LOCKED_BOOT_COMPLETED first 12023 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 12024 .setPackage(packageName); 12025 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 12026 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 12027 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 12028 12029 // Deliver BOOT_COMPLETED only if user is unlocked 12030 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 12031 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 12032 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 12033 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 12034 } 12035 } catch (RemoteException e) { 12036 throw e.rethrowFromSystemServer(); 12037 } 12038 } 12039 12040 @Override 12041 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 12042 int userId) { 12043 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 12044 PackageSetting pkgSetting; 12045 final int uid = Binder.getCallingUid(); 12046 enforceCrossUserPermission(uid, userId, 12047 true /* requireFullPermission */, true /* checkShell */, 12048 "setApplicationHiddenSetting for user " + userId); 12049 12050 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 12051 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 12052 return false; 12053 } 12054 12055 long callingId = Binder.clearCallingIdentity(); 12056 try { 12057 boolean sendAdded = false; 12058 boolean sendRemoved = false; 12059 // writer 12060 synchronized (mPackages) { 12061 pkgSetting = mSettings.mPackages.get(packageName); 12062 if (pkgSetting == null) { 12063 return false; 12064 } 12065 // Do not allow "android" is being disabled 12066 if ("android".equals(packageName)) { 12067 Slog.w(TAG, "Cannot hide package: android"); 12068 return false; 12069 } 12070 // Only allow protected packages to hide themselves. 12071 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 12072 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12073 Slog.w(TAG, "Not hiding protected package: " + packageName); 12074 return false; 12075 } 12076 12077 if (pkgSetting.getHidden(userId) != hidden) { 12078 pkgSetting.setHidden(hidden, userId); 12079 mSettings.writePackageRestrictionsLPr(userId); 12080 if (hidden) { 12081 sendRemoved = true; 12082 } else { 12083 sendAdded = true; 12084 } 12085 } 12086 } 12087 if (sendAdded) { 12088 sendPackageAddedForUser(packageName, pkgSetting, userId); 12089 return true; 12090 } 12091 if (sendRemoved) { 12092 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 12093 "hiding pkg"); 12094 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 12095 return true; 12096 } 12097 } finally { 12098 Binder.restoreCallingIdentity(callingId); 12099 } 12100 return false; 12101 } 12102 12103 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 12104 int userId) { 12105 final PackageRemovedInfo info = new PackageRemovedInfo(); 12106 info.removedPackage = packageName; 12107 info.removedUsers = new int[] {userId}; 12108 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 12109 info.sendPackageRemovedBroadcasts(true /*killApp*/); 12110 } 12111 12112 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 12113 if (pkgList.length > 0) { 12114 Bundle extras = new Bundle(1); 12115 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 12116 12117 sendPackageBroadcast( 12118 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 12119 : Intent.ACTION_PACKAGES_UNSUSPENDED, 12120 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 12121 new int[] {userId}); 12122 } 12123 } 12124 12125 /** 12126 * Returns true if application is not found or there was an error. Otherwise it returns 12127 * the hidden state of the package for the given user. 12128 */ 12129 @Override 12130 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 12131 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 12132 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12133 true /* requireFullPermission */, false /* checkShell */, 12134 "getApplicationHidden for user " + userId); 12135 PackageSetting pkgSetting; 12136 long callingId = Binder.clearCallingIdentity(); 12137 try { 12138 // writer 12139 synchronized (mPackages) { 12140 pkgSetting = mSettings.mPackages.get(packageName); 12141 if (pkgSetting == null) { 12142 return true; 12143 } 12144 return pkgSetting.getHidden(userId); 12145 } 12146 } finally { 12147 Binder.restoreCallingIdentity(callingId); 12148 } 12149 } 12150 12151 /** 12152 * @hide 12153 */ 12154 @Override 12155 public int installExistingPackageAsUser(String packageName, int userId) { 12156 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 12157 null); 12158 PackageSetting pkgSetting; 12159 final int uid = Binder.getCallingUid(); 12160 enforceCrossUserPermission(uid, userId, 12161 true /* requireFullPermission */, true /* checkShell */, 12162 "installExistingPackage for user " + userId); 12163 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12164 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 12165 } 12166 12167 long callingId = Binder.clearCallingIdentity(); 12168 try { 12169 boolean installed = false; 12170 12171 // writer 12172 synchronized (mPackages) { 12173 pkgSetting = mSettings.mPackages.get(packageName); 12174 if (pkgSetting == null) { 12175 return PackageManager.INSTALL_FAILED_INVALID_URI; 12176 } 12177 if (!pkgSetting.getInstalled(userId)) { 12178 pkgSetting.setInstalled(true, userId); 12179 pkgSetting.setHidden(false, userId); 12180 mSettings.writePackageRestrictionsLPr(userId); 12181 installed = true; 12182 } 12183 } 12184 12185 if (installed) { 12186 if (pkgSetting.pkg != null) { 12187 synchronized (mInstallLock) { 12188 // We don't need to freeze for a brand new install 12189 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 12190 } 12191 } 12192 sendPackageAddedForUser(packageName, pkgSetting, userId); 12193 } 12194 } finally { 12195 Binder.restoreCallingIdentity(callingId); 12196 } 12197 12198 return PackageManager.INSTALL_SUCCEEDED; 12199 } 12200 12201 boolean isUserRestricted(int userId, String restrictionKey) { 12202 Bundle restrictions = sUserManager.getUserRestrictions(userId); 12203 if (restrictions.getBoolean(restrictionKey, false)) { 12204 Log.w(TAG, "User is restricted: " + restrictionKey); 12205 return true; 12206 } 12207 return false; 12208 } 12209 12210 @Override 12211 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 12212 int userId) { 12213 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 12214 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12215 true /* requireFullPermission */, true /* checkShell */, 12216 "setPackagesSuspended for user " + userId); 12217 12218 if (ArrayUtils.isEmpty(packageNames)) { 12219 return packageNames; 12220 } 12221 12222 // List of package names for whom the suspended state has changed. 12223 List<String> changedPackages = new ArrayList<>(packageNames.length); 12224 // List of package names for whom the suspended state is not set as requested in this 12225 // method. 12226 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 12227 long callingId = Binder.clearCallingIdentity(); 12228 try { 12229 for (int i = 0; i < packageNames.length; i++) { 12230 String packageName = packageNames[i]; 12231 boolean changed = false; 12232 final int appId; 12233 synchronized (mPackages) { 12234 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12235 if (pkgSetting == null) { 12236 Slog.w(TAG, "Could not find package setting for package \"" + packageName 12237 + "\". Skipping suspending/un-suspending."); 12238 unactionedPackages.add(packageName); 12239 continue; 12240 } 12241 appId = pkgSetting.appId; 12242 if (pkgSetting.getSuspended(userId) != suspended) { 12243 if (!canSuspendPackageForUserLocked(packageName, userId)) { 12244 unactionedPackages.add(packageName); 12245 continue; 12246 } 12247 pkgSetting.setSuspended(suspended, userId); 12248 mSettings.writePackageRestrictionsLPr(userId); 12249 changed = true; 12250 changedPackages.add(packageName); 12251 } 12252 } 12253 12254 if (changed && suspended) { 12255 killApplication(packageName, UserHandle.getUid(userId, appId), 12256 "suspending package"); 12257 } 12258 } 12259 } finally { 12260 Binder.restoreCallingIdentity(callingId); 12261 } 12262 12263 if (!changedPackages.isEmpty()) { 12264 sendPackagesSuspendedForUser(changedPackages.toArray( 12265 new String[changedPackages.size()]), userId, suspended); 12266 } 12267 12268 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 12269 } 12270 12271 @Override 12272 public boolean isPackageSuspendedForUser(String packageName, int userId) { 12273 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12274 true /* requireFullPermission */, false /* checkShell */, 12275 "isPackageSuspendedForUser for user " + userId); 12276 synchronized (mPackages) { 12277 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12278 if (pkgSetting == null) { 12279 throw new IllegalArgumentException("Unknown target package: " + packageName); 12280 } 12281 return pkgSetting.getSuspended(userId); 12282 } 12283 } 12284 12285 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 12286 if (isPackageDeviceAdmin(packageName, userId)) { 12287 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12288 + "\": has an active device admin"); 12289 return false; 12290 } 12291 12292 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 12293 if (packageName.equals(activeLauncherPackageName)) { 12294 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12295 + "\": contains the active launcher"); 12296 return false; 12297 } 12298 12299 if (packageName.equals(mRequiredInstallerPackage)) { 12300 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12301 + "\": required for package installation"); 12302 return false; 12303 } 12304 12305 if (packageName.equals(mRequiredUninstallerPackage)) { 12306 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12307 + "\": required for package uninstallation"); 12308 return false; 12309 } 12310 12311 if (packageName.equals(mRequiredVerifierPackage)) { 12312 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12313 + "\": required for package verification"); 12314 return false; 12315 } 12316 12317 if (packageName.equals(getDefaultDialerPackageName(userId))) { 12318 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12319 + "\": is the default dialer"); 12320 return false; 12321 } 12322 12323 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12324 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12325 + "\": protected package"); 12326 return false; 12327 } 12328 12329 return true; 12330 } 12331 12332 private String getActiveLauncherPackageName(int userId) { 12333 Intent intent = new Intent(Intent.ACTION_MAIN); 12334 intent.addCategory(Intent.CATEGORY_HOME); 12335 ResolveInfo resolveInfo = resolveIntent( 12336 intent, 12337 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 12338 PackageManager.MATCH_DEFAULT_ONLY, 12339 userId); 12340 12341 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 12342 } 12343 12344 private String getDefaultDialerPackageName(int userId) { 12345 synchronized (mPackages) { 12346 return mSettings.getDefaultDialerPackageNameLPw(userId); 12347 } 12348 } 12349 12350 @Override 12351 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 12352 mContext.enforceCallingOrSelfPermission( 12353 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12354 "Only package verification agents can verify applications"); 12355 12356 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12357 final PackageVerificationResponse response = new PackageVerificationResponse( 12358 verificationCode, Binder.getCallingUid()); 12359 msg.arg1 = id; 12360 msg.obj = response; 12361 mHandler.sendMessage(msg); 12362 } 12363 12364 @Override 12365 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 12366 long millisecondsToDelay) { 12367 mContext.enforceCallingOrSelfPermission( 12368 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12369 "Only package verification agents can extend verification timeouts"); 12370 12371 final PackageVerificationState state = mPendingVerification.get(id); 12372 final PackageVerificationResponse response = new PackageVerificationResponse( 12373 verificationCodeAtTimeout, Binder.getCallingUid()); 12374 12375 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12376 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12377 } 12378 if (millisecondsToDelay < 0) { 12379 millisecondsToDelay = 0; 12380 } 12381 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12382 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12383 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12384 } 12385 12386 if ((state != null) && !state.timeoutExtended()) { 12387 state.extendTimeout(); 12388 12389 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12390 msg.arg1 = id; 12391 msg.obj = response; 12392 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12393 } 12394 } 12395 12396 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12397 int verificationCode, UserHandle user) { 12398 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12399 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12400 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12401 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12402 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12403 12404 mContext.sendBroadcastAsUser(intent, user, 12405 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12406 } 12407 12408 private ComponentName matchComponentForVerifier(String packageName, 12409 List<ResolveInfo> receivers) { 12410 ActivityInfo targetReceiver = null; 12411 12412 final int NR = receivers.size(); 12413 for (int i = 0; i < NR; i++) { 12414 final ResolveInfo info = receivers.get(i); 12415 if (info.activityInfo == null) { 12416 continue; 12417 } 12418 12419 if (packageName.equals(info.activityInfo.packageName)) { 12420 targetReceiver = info.activityInfo; 12421 break; 12422 } 12423 } 12424 12425 if (targetReceiver == null) { 12426 return null; 12427 } 12428 12429 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12430 } 12431 12432 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12433 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12434 if (pkgInfo.verifiers.length == 0) { 12435 return null; 12436 } 12437 12438 final int N = pkgInfo.verifiers.length; 12439 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12440 for (int i = 0; i < N; i++) { 12441 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12442 12443 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12444 receivers); 12445 if (comp == null) { 12446 continue; 12447 } 12448 12449 final int verifierUid = getUidForVerifier(verifierInfo); 12450 if (verifierUid == -1) { 12451 continue; 12452 } 12453 12454 if (DEBUG_VERIFY) { 12455 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12456 + " with the correct signature"); 12457 } 12458 sufficientVerifiers.add(comp); 12459 verificationState.addSufficientVerifier(verifierUid); 12460 } 12461 12462 return sufficientVerifiers; 12463 } 12464 12465 private int getUidForVerifier(VerifierInfo verifierInfo) { 12466 synchronized (mPackages) { 12467 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12468 if (pkg == null) { 12469 return -1; 12470 } else if (pkg.mSignatures.length != 1) { 12471 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12472 + " has more than one signature; ignoring"); 12473 return -1; 12474 } 12475 12476 /* 12477 * If the public key of the package's signature does not match 12478 * our expected public key, then this is a different package and 12479 * we should skip. 12480 */ 12481 12482 final byte[] expectedPublicKey; 12483 try { 12484 final Signature verifierSig = pkg.mSignatures[0]; 12485 final PublicKey publicKey = verifierSig.getPublicKey(); 12486 expectedPublicKey = publicKey.getEncoded(); 12487 } catch (CertificateException e) { 12488 return -1; 12489 } 12490 12491 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12492 12493 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12494 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12495 + " does not have the expected public key; ignoring"); 12496 return -1; 12497 } 12498 12499 return pkg.applicationInfo.uid; 12500 } 12501 } 12502 12503 @Override 12504 public void finishPackageInstall(int token, boolean didLaunch) { 12505 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12506 12507 if (DEBUG_INSTALL) { 12508 Slog.v(TAG, "BM finishing package install for " + token); 12509 } 12510 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12511 12512 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12513 mHandler.sendMessage(msg); 12514 } 12515 12516 /** 12517 * Get the verification agent timeout. 12518 * 12519 * @return verification timeout in milliseconds 12520 */ 12521 private long getVerificationTimeout() { 12522 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12523 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12524 DEFAULT_VERIFICATION_TIMEOUT); 12525 } 12526 12527 /** 12528 * Get the default verification agent response code. 12529 * 12530 * @return default verification response code 12531 */ 12532 private int getDefaultVerificationResponse() { 12533 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12534 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12535 DEFAULT_VERIFICATION_RESPONSE); 12536 } 12537 12538 /** 12539 * Check whether or not package verification has been enabled. 12540 * 12541 * @return true if verification should be performed 12542 */ 12543 private boolean isVerificationEnabled(int userId, int installFlags) { 12544 if (!DEFAULT_VERIFY_ENABLE) { 12545 return false; 12546 } 12547 // Ephemeral apps don't get the full verification treatment 12548 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12549 if (DEBUG_EPHEMERAL) { 12550 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12551 } 12552 return false; 12553 } 12554 12555 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12556 12557 // Check if installing from ADB 12558 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12559 // Do not run verification in a test harness environment 12560 if (ActivityManager.isRunningInTestHarness()) { 12561 return false; 12562 } 12563 if (ensureVerifyAppsEnabled) { 12564 return true; 12565 } 12566 // Check if the developer does not want package verification for ADB installs 12567 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12568 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12569 return false; 12570 } 12571 } 12572 12573 if (ensureVerifyAppsEnabled) { 12574 return true; 12575 } 12576 12577 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12578 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12579 } 12580 12581 @Override 12582 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12583 throws RemoteException { 12584 mContext.enforceCallingOrSelfPermission( 12585 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12586 "Only intentfilter verification agents can verify applications"); 12587 12588 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12589 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12590 Binder.getCallingUid(), verificationCode, failedDomains); 12591 msg.arg1 = id; 12592 msg.obj = response; 12593 mHandler.sendMessage(msg); 12594 } 12595 12596 @Override 12597 public int getIntentVerificationStatus(String packageName, int userId) { 12598 synchronized (mPackages) { 12599 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12600 } 12601 } 12602 12603 @Override 12604 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12605 mContext.enforceCallingOrSelfPermission( 12606 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12607 12608 boolean result = false; 12609 synchronized (mPackages) { 12610 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12611 } 12612 if (result) { 12613 scheduleWritePackageRestrictionsLocked(userId); 12614 } 12615 return result; 12616 } 12617 12618 @Override 12619 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12620 String packageName) { 12621 synchronized (mPackages) { 12622 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12623 } 12624 } 12625 12626 @Override 12627 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12628 if (TextUtils.isEmpty(packageName)) { 12629 return ParceledListSlice.emptyList(); 12630 } 12631 synchronized (mPackages) { 12632 PackageParser.Package pkg = mPackages.get(packageName); 12633 if (pkg == null || pkg.activities == null) { 12634 return ParceledListSlice.emptyList(); 12635 } 12636 final int count = pkg.activities.size(); 12637 ArrayList<IntentFilter> result = new ArrayList<>(); 12638 for (int n=0; n<count; n++) { 12639 PackageParser.Activity activity = pkg.activities.get(n); 12640 if (activity.intents != null && activity.intents.size() > 0) { 12641 result.addAll(activity.intents); 12642 } 12643 } 12644 return new ParceledListSlice<>(result); 12645 } 12646 } 12647 12648 @Override 12649 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12650 mContext.enforceCallingOrSelfPermission( 12651 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12652 12653 synchronized (mPackages) { 12654 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12655 if (packageName != null) { 12656 result |= updateIntentVerificationStatus(packageName, 12657 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12658 userId); 12659 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12660 packageName, userId); 12661 } 12662 return result; 12663 } 12664 } 12665 12666 @Override 12667 public String getDefaultBrowserPackageName(int userId) { 12668 synchronized (mPackages) { 12669 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12670 } 12671 } 12672 12673 /** 12674 * Get the "allow unknown sources" setting. 12675 * 12676 * @return the current "allow unknown sources" setting 12677 */ 12678 private int getUnknownSourcesSettings() { 12679 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12680 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12681 -1); 12682 } 12683 12684 @Override 12685 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12686 final int uid = Binder.getCallingUid(); 12687 // writer 12688 synchronized (mPackages) { 12689 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12690 if (targetPackageSetting == null) { 12691 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12692 } 12693 12694 PackageSetting installerPackageSetting; 12695 if (installerPackageName != null) { 12696 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12697 if (installerPackageSetting == null) { 12698 throw new IllegalArgumentException("Unknown installer package: " 12699 + installerPackageName); 12700 } 12701 } else { 12702 installerPackageSetting = null; 12703 } 12704 12705 Signature[] callerSignature; 12706 Object obj = mSettings.getUserIdLPr(uid); 12707 if (obj != null) { 12708 if (obj instanceof SharedUserSetting) { 12709 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12710 } else if (obj instanceof PackageSetting) { 12711 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12712 } else { 12713 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12714 } 12715 } else { 12716 throw new SecurityException("Unknown calling UID: " + uid); 12717 } 12718 12719 // Verify: can't set installerPackageName to a package that is 12720 // not signed with the same cert as the caller. 12721 if (installerPackageSetting != null) { 12722 if (compareSignatures(callerSignature, 12723 installerPackageSetting.signatures.mSignatures) 12724 != PackageManager.SIGNATURE_MATCH) { 12725 throw new SecurityException( 12726 "Caller does not have same cert as new installer package " 12727 + installerPackageName); 12728 } 12729 } 12730 12731 // Verify: if target already has an installer package, it must 12732 // be signed with the same cert as the caller. 12733 if (targetPackageSetting.installerPackageName != null) { 12734 PackageSetting setting = mSettings.mPackages.get( 12735 targetPackageSetting.installerPackageName); 12736 // If the currently set package isn't valid, then it's always 12737 // okay to change it. 12738 if (setting != null) { 12739 if (compareSignatures(callerSignature, 12740 setting.signatures.mSignatures) 12741 != PackageManager.SIGNATURE_MATCH) { 12742 throw new SecurityException( 12743 "Caller does not have same cert as old installer package " 12744 + targetPackageSetting.installerPackageName); 12745 } 12746 } 12747 } 12748 12749 // Okay! 12750 targetPackageSetting.installerPackageName = installerPackageName; 12751 if (installerPackageName != null) { 12752 mSettings.mInstallerPackages.add(installerPackageName); 12753 } 12754 scheduleWriteSettingsLocked(); 12755 } 12756 } 12757 12758 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12759 // Queue up an async operation since the package installation may take a little while. 12760 mHandler.post(new Runnable() { 12761 public void run() { 12762 mHandler.removeCallbacks(this); 12763 // Result object to be returned 12764 PackageInstalledInfo res = new PackageInstalledInfo(); 12765 res.setReturnCode(currentStatus); 12766 res.uid = -1; 12767 res.pkg = null; 12768 res.removedInfo = null; 12769 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12770 args.doPreInstall(res.returnCode); 12771 synchronized (mInstallLock) { 12772 installPackageTracedLI(args, res); 12773 } 12774 args.doPostInstall(res.returnCode, res.uid); 12775 } 12776 12777 // A restore should be performed at this point if (a) the install 12778 // succeeded, (b) the operation is not an update, and (c) the new 12779 // package has not opted out of backup participation. 12780 final boolean update = res.removedInfo != null 12781 && res.removedInfo.removedPackage != null; 12782 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12783 boolean doRestore = !update 12784 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12785 12786 // Set up the post-install work request bookkeeping. This will be used 12787 // and cleaned up by the post-install event handling regardless of whether 12788 // there's a restore pass performed. Token values are >= 1. 12789 int token; 12790 if (mNextInstallToken < 0) mNextInstallToken = 1; 12791 token = mNextInstallToken++; 12792 12793 PostInstallData data = new PostInstallData(args, res); 12794 mRunningInstalls.put(token, data); 12795 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12796 12797 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12798 // Pass responsibility to the Backup Manager. It will perform a 12799 // restore if appropriate, then pass responsibility back to the 12800 // Package Manager to run the post-install observer callbacks 12801 // and broadcasts. 12802 IBackupManager bm = IBackupManager.Stub.asInterface( 12803 ServiceManager.getService(Context.BACKUP_SERVICE)); 12804 if (bm != null) { 12805 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12806 + " to BM for possible restore"); 12807 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12808 try { 12809 // TODO: http://b/22388012 12810 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12811 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12812 } else { 12813 doRestore = false; 12814 } 12815 } catch (RemoteException e) { 12816 // can't happen; the backup manager is local 12817 } catch (Exception e) { 12818 Slog.e(TAG, "Exception trying to enqueue restore", e); 12819 doRestore = false; 12820 } 12821 } else { 12822 Slog.e(TAG, "Backup Manager not found!"); 12823 doRestore = false; 12824 } 12825 } 12826 12827 if (!doRestore) { 12828 // No restore possible, or the Backup Manager was mysteriously not 12829 // available -- just fire the post-install work request directly. 12830 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12831 12832 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12833 12834 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12835 mHandler.sendMessage(msg); 12836 } 12837 } 12838 }); 12839 } 12840 12841 /** 12842 * Callback from PackageSettings whenever an app is first transitioned out of the 12843 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12844 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12845 * here whether the app is the target of an ongoing install, and only send the 12846 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12847 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12848 * handling. 12849 */ 12850 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12851 // Serialize this with the rest of the install-process message chain. In the 12852 // restore-at-install case, this Runnable will necessarily run before the 12853 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12854 // are coherent. In the non-restore case, the app has already completed install 12855 // and been launched through some other means, so it is not in a problematic 12856 // state for observers to see the FIRST_LAUNCH signal. 12857 mHandler.post(new Runnable() { 12858 @Override 12859 public void run() { 12860 for (int i = 0; i < mRunningInstalls.size(); i++) { 12861 final PostInstallData data = mRunningInstalls.valueAt(i); 12862 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12863 continue; 12864 } 12865 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12866 // right package; but is it for the right user? 12867 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12868 if (userId == data.res.newUsers[uIndex]) { 12869 if (DEBUG_BACKUP) { 12870 Slog.i(TAG, "Package " + pkgName 12871 + " being restored so deferring FIRST_LAUNCH"); 12872 } 12873 return; 12874 } 12875 } 12876 } 12877 } 12878 // didn't find it, so not being restored 12879 if (DEBUG_BACKUP) { 12880 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12881 } 12882 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12883 } 12884 }); 12885 } 12886 12887 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12888 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12889 installerPkg, null, userIds); 12890 } 12891 12892 private abstract class HandlerParams { 12893 private static final int MAX_RETRIES = 4; 12894 12895 /** 12896 * Number of times startCopy() has been attempted and had a non-fatal 12897 * error. 12898 */ 12899 private int mRetries = 0; 12900 12901 /** User handle for the user requesting the information or installation. */ 12902 private final UserHandle mUser; 12903 String traceMethod; 12904 int traceCookie; 12905 12906 HandlerParams(UserHandle user) { 12907 mUser = user; 12908 } 12909 12910 UserHandle getUser() { 12911 return mUser; 12912 } 12913 12914 HandlerParams setTraceMethod(String traceMethod) { 12915 this.traceMethod = traceMethod; 12916 return this; 12917 } 12918 12919 HandlerParams setTraceCookie(int traceCookie) { 12920 this.traceCookie = traceCookie; 12921 return this; 12922 } 12923 12924 final boolean startCopy() { 12925 boolean res; 12926 try { 12927 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12928 12929 if (++mRetries > MAX_RETRIES) { 12930 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12931 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12932 handleServiceError(); 12933 return false; 12934 } else { 12935 handleStartCopy(); 12936 res = true; 12937 } 12938 } catch (RemoteException e) { 12939 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12940 mHandler.sendEmptyMessage(MCS_RECONNECT); 12941 res = false; 12942 } 12943 handleReturnCode(); 12944 return res; 12945 } 12946 12947 final void serviceError() { 12948 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12949 handleServiceError(); 12950 handleReturnCode(); 12951 } 12952 12953 abstract void handleStartCopy() throws RemoteException; 12954 abstract void handleServiceError(); 12955 abstract void handleReturnCode(); 12956 } 12957 12958 class MeasureParams extends HandlerParams { 12959 private final PackageStats mStats; 12960 private boolean mSuccess; 12961 12962 private final IPackageStatsObserver mObserver; 12963 12964 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12965 super(new UserHandle(stats.userHandle)); 12966 mObserver = observer; 12967 mStats = stats; 12968 } 12969 12970 @Override 12971 public String toString() { 12972 return "MeasureParams{" 12973 + Integer.toHexString(System.identityHashCode(this)) 12974 + " " + mStats.packageName + "}"; 12975 } 12976 12977 @Override 12978 void handleStartCopy() throws RemoteException { 12979 synchronized (mInstallLock) { 12980 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12981 } 12982 12983 if (mSuccess) { 12984 boolean mounted = false; 12985 try { 12986 final String status = Environment.getExternalStorageState(); 12987 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12988 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12989 } catch (Exception e) { 12990 } 12991 12992 if (mounted) { 12993 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12994 12995 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12996 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12997 12998 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12999 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 13000 13001 // Always subtract cache size, since it's a subdirectory 13002 mStats.externalDataSize -= mStats.externalCacheSize; 13003 13004 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 13005 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 13006 13007 mStats.externalObbSize = calculateDirectorySize(mContainerService, 13008 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 13009 } 13010 } 13011 } 13012 13013 @Override 13014 void handleReturnCode() { 13015 if (mObserver != null) { 13016 try { 13017 mObserver.onGetStatsCompleted(mStats, mSuccess); 13018 } catch (RemoteException e) { 13019 Slog.i(TAG, "Observer no longer exists."); 13020 } 13021 } 13022 } 13023 13024 @Override 13025 void handleServiceError() { 13026 Slog.e(TAG, "Could not measure application " + mStats.packageName 13027 + " external storage"); 13028 } 13029 } 13030 13031 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 13032 throws RemoteException { 13033 long result = 0; 13034 for (File path : paths) { 13035 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 13036 } 13037 return result; 13038 } 13039 13040 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 13041 for (File path : paths) { 13042 try { 13043 mcs.clearDirectory(path.getAbsolutePath()); 13044 } catch (RemoteException e) { 13045 } 13046 } 13047 } 13048 13049 static class OriginInfo { 13050 /** 13051 * Location where install is coming from, before it has been 13052 * copied/renamed into place. This could be a single monolithic APK 13053 * file, or a cluster directory. This location may be untrusted. 13054 */ 13055 final File file; 13056 final String cid; 13057 13058 /** 13059 * Flag indicating that {@link #file} or {@link #cid} has already been 13060 * staged, meaning downstream users don't need to defensively copy the 13061 * contents. 13062 */ 13063 final boolean staged; 13064 13065 /** 13066 * Flag indicating that {@link #file} or {@link #cid} is an already 13067 * installed app that is being moved. 13068 */ 13069 final boolean existing; 13070 13071 final String resolvedPath; 13072 final File resolvedFile; 13073 13074 static OriginInfo fromNothing() { 13075 return new OriginInfo(null, null, false, false); 13076 } 13077 13078 static OriginInfo fromUntrustedFile(File file) { 13079 return new OriginInfo(file, null, false, false); 13080 } 13081 13082 static OriginInfo fromExistingFile(File file) { 13083 return new OriginInfo(file, null, false, true); 13084 } 13085 13086 static OriginInfo fromStagedFile(File file) { 13087 return new OriginInfo(file, null, true, false); 13088 } 13089 13090 static OriginInfo fromStagedContainer(String cid) { 13091 return new OriginInfo(null, cid, true, false); 13092 } 13093 13094 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 13095 this.file = file; 13096 this.cid = cid; 13097 this.staged = staged; 13098 this.existing = existing; 13099 13100 if (cid != null) { 13101 resolvedPath = PackageHelper.getSdDir(cid); 13102 resolvedFile = new File(resolvedPath); 13103 } else if (file != null) { 13104 resolvedPath = file.getAbsolutePath(); 13105 resolvedFile = file; 13106 } else { 13107 resolvedPath = null; 13108 resolvedFile = null; 13109 } 13110 } 13111 } 13112 13113 static class MoveInfo { 13114 final int moveId; 13115 final String fromUuid; 13116 final String toUuid; 13117 final String packageName; 13118 final String dataAppName; 13119 final int appId; 13120 final String seinfo; 13121 final int targetSdkVersion; 13122 13123 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 13124 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 13125 this.moveId = moveId; 13126 this.fromUuid = fromUuid; 13127 this.toUuid = toUuid; 13128 this.packageName = packageName; 13129 this.dataAppName = dataAppName; 13130 this.appId = appId; 13131 this.seinfo = seinfo; 13132 this.targetSdkVersion = targetSdkVersion; 13133 } 13134 } 13135 13136 static class VerificationInfo { 13137 /** A constant used to indicate that a uid value is not present. */ 13138 public static final int NO_UID = -1; 13139 13140 /** URI referencing where the package was downloaded from. */ 13141 final Uri originatingUri; 13142 13143 /** HTTP referrer URI associated with the originatingURI. */ 13144 final Uri referrer; 13145 13146 /** UID of the application that the install request originated from. */ 13147 final int originatingUid; 13148 13149 /** UID of application requesting the install */ 13150 final int installerUid; 13151 13152 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 13153 this.originatingUri = originatingUri; 13154 this.referrer = referrer; 13155 this.originatingUid = originatingUid; 13156 this.installerUid = installerUid; 13157 } 13158 } 13159 13160 class InstallParams extends HandlerParams { 13161 final OriginInfo origin; 13162 final MoveInfo move; 13163 final IPackageInstallObserver2 observer; 13164 int installFlags; 13165 final String installerPackageName; 13166 final String volumeUuid; 13167 private InstallArgs mArgs; 13168 private int mRet; 13169 final String packageAbiOverride; 13170 final String[] grantedRuntimePermissions; 13171 final VerificationInfo verificationInfo; 13172 final Certificate[][] certificates; 13173 13174 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13175 int installFlags, String installerPackageName, String volumeUuid, 13176 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 13177 String[] grantedPermissions, Certificate[][] certificates) { 13178 super(user); 13179 this.origin = origin; 13180 this.move = move; 13181 this.observer = observer; 13182 this.installFlags = installFlags; 13183 this.installerPackageName = installerPackageName; 13184 this.volumeUuid = volumeUuid; 13185 this.verificationInfo = verificationInfo; 13186 this.packageAbiOverride = packageAbiOverride; 13187 this.grantedRuntimePermissions = grantedPermissions; 13188 this.certificates = certificates; 13189 } 13190 13191 @Override 13192 public String toString() { 13193 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 13194 + " file=" + origin.file + " cid=" + origin.cid + "}"; 13195 } 13196 13197 private int installLocationPolicy(PackageInfoLite pkgLite) { 13198 String packageName = pkgLite.packageName; 13199 int installLocation = pkgLite.installLocation; 13200 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13201 // reader 13202 synchronized (mPackages) { 13203 // Currently installed package which the new package is attempting to replace or 13204 // null if no such package is installed. 13205 PackageParser.Package installedPkg = mPackages.get(packageName); 13206 // Package which currently owns the data which the new package will own if installed. 13207 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 13208 // will be null whereas dataOwnerPkg will contain information about the package 13209 // which was uninstalled while keeping its data. 13210 PackageParser.Package dataOwnerPkg = installedPkg; 13211 if (dataOwnerPkg == null) { 13212 PackageSetting ps = mSettings.mPackages.get(packageName); 13213 if (ps != null) { 13214 dataOwnerPkg = ps.pkg; 13215 } 13216 } 13217 13218 if (dataOwnerPkg != null) { 13219 // If installed, the package will get access to data left on the device by its 13220 // predecessor. As a security measure, this is permited only if this is not a 13221 // version downgrade or if the predecessor package is marked as debuggable and 13222 // a downgrade is explicitly requested. 13223 // 13224 // On debuggable platform builds, downgrades are permitted even for 13225 // non-debuggable packages to make testing easier. Debuggable platform builds do 13226 // not offer security guarantees and thus it's OK to disable some security 13227 // mechanisms to make debugging/testing easier on those builds. However, even on 13228 // debuggable builds downgrades of packages are permitted only if requested via 13229 // installFlags. This is because we aim to keep the behavior of debuggable 13230 // platform builds as close as possible to the behavior of non-debuggable 13231 // platform builds. 13232 final boolean downgradeRequested = 13233 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 13234 final boolean packageDebuggable = 13235 (dataOwnerPkg.applicationInfo.flags 13236 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 13237 final boolean downgradePermitted = 13238 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 13239 if (!downgradePermitted) { 13240 try { 13241 checkDowngrade(dataOwnerPkg, pkgLite); 13242 } catch (PackageManagerException e) { 13243 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 13244 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 13245 } 13246 } 13247 } 13248 13249 if (installedPkg != null) { 13250 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13251 // Check for updated system application. 13252 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13253 if (onSd) { 13254 Slog.w(TAG, "Cannot install update to system app on sdcard"); 13255 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 13256 } 13257 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13258 } else { 13259 if (onSd) { 13260 // Install flag overrides everything. 13261 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13262 } 13263 // If current upgrade specifies particular preference 13264 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 13265 // Application explicitly specified internal. 13266 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13267 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 13268 // App explictly prefers external. Let policy decide 13269 } else { 13270 // Prefer previous location 13271 if (isExternal(installedPkg)) { 13272 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13273 } 13274 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13275 } 13276 } 13277 } else { 13278 // Invalid install. Return error code 13279 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 13280 } 13281 } 13282 } 13283 // All the special cases have been taken care of. 13284 // Return result based on recommended install location. 13285 if (onSd) { 13286 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13287 } 13288 return pkgLite.recommendedInstallLocation; 13289 } 13290 13291 /* 13292 * Invoke remote method to get package information and install 13293 * location values. Override install location based on default 13294 * policy if needed and then create install arguments based 13295 * on the install location. 13296 */ 13297 public void handleStartCopy() throws RemoteException { 13298 int ret = PackageManager.INSTALL_SUCCEEDED; 13299 13300 // If we're already staged, we've firmly committed to an install location 13301 if (origin.staged) { 13302 if (origin.file != null) { 13303 installFlags |= PackageManager.INSTALL_INTERNAL; 13304 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13305 } else if (origin.cid != null) { 13306 installFlags |= PackageManager.INSTALL_EXTERNAL; 13307 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13308 } else { 13309 throw new IllegalStateException("Invalid stage location"); 13310 } 13311 } 13312 13313 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13314 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 13315 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13316 PackageInfoLite pkgLite = null; 13317 13318 if (onInt && onSd) { 13319 // Check if both bits are set. 13320 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 13321 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13322 } else if (onSd && ephemeral) { 13323 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 13324 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13325 } else { 13326 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 13327 packageAbiOverride); 13328 13329 if (DEBUG_EPHEMERAL && ephemeral) { 13330 Slog.v(TAG, "pkgLite for install: " + pkgLite); 13331 } 13332 13333 /* 13334 * If we have too little free space, try to free cache 13335 * before giving up. 13336 */ 13337 if (!origin.staged && pkgLite.recommendedInstallLocation 13338 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13339 // TODO: focus freeing disk space on the target device 13340 final StorageManager storage = StorageManager.from(mContext); 13341 final long lowThreshold = storage.getStorageLowBytes( 13342 Environment.getDataDirectory()); 13343 13344 final long sizeBytes = mContainerService.calculateInstalledSize( 13345 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 13346 13347 try { 13348 mInstaller.freeCache(null, sizeBytes + lowThreshold); 13349 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 13350 installFlags, packageAbiOverride); 13351 } catch (InstallerException e) { 13352 Slog.w(TAG, "Failed to free cache", e); 13353 } 13354 13355 /* 13356 * The cache free must have deleted the file we 13357 * downloaded to install. 13358 * 13359 * TODO: fix the "freeCache" call to not delete 13360 * the file we care about. 13361 */ 13362 if (pkgLite.recommendedInstallLocation 13363 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13364 pkgLite.recommendedInstallLocation 13365 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 13366 } 13367 } 13368 } 13369 13370 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13371 int loc = pkgLite.recommendedInstallLocation; 13372 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 13373 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13374 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 13375 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13376 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13377 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13378 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13379 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13380 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13381 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13382 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13383 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13384 } else { 13385 // Override with defaults if needed. 13386 loc = installLocationPolicy(pkgLite); 13387 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13388 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13389 } else if (!onSd && !onInt) { 13390 // Override install location with flags 13391 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13392 // Set the flag to install on external media. 13393 installFlags |= PackageManager.INSTALL_EXTERNAL; 13394 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13395 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13396 if (DEBUG_EPHEMERAL) { 13397 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13398 } 13399 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13400 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13401 |PackageManager.INSTALL_INTERNAL); 13402 } else { 13403 // Make sure the flag for installing on external 13404 // media is unset 13405 installFlags |= PackageManager.INSTALL_INTERNAL; 13406 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13407 } 13408 } 13409 } 13410 } 13411 13412 final InstallArgs args = createInstallArgs(this); 13413 mArgs = args; 13414 13415 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13416 // TODO: http://b/22976637 13417 // Apps installed for "all" users use the device owner to verify the app 13418 UserHandle verifierUser = getUser(); 13419 if (verifierUser == UserHandle.ALL) { 13420 verifierUser = UserHandle.SYSTEM; 13421 } 13422 13423 /* 13424 * Determine if we have any installed package verifiers. If we 13425 * do, then we'll defer to them to verify the packages. 13426 */ 13427 final int requiredUid = mRequiredVerifierPackage == null ? -1 13428 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13429 verifierUser.getIdentifier()); 13430 if (!origin.existing && requiredUid != -1 13431 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13432 final Intent verification = new Intent( 13433 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13434 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13435 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13436 PACKAGE_MIME_TYPE); 13437 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13438 13439 // Query all live verifiers based on current user state 13440 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13441 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13442 13443 if (DEBUG_VERIFY) { 13444 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13445 + verification.toString() + " with " + pkgLite.verifiers.length 13446 + " optional verifiers"); 13447 } 13448 13449 final int verificationId = mPendingVerificationToken++; 13450 13451 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13452 13453 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13454 installerPackageName); 13455 13456 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13457 installFlags); 13458 13459 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13460 pkgLite.packageName); 13461 13462 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13463 pkgLite.versionCode); 13464 13465 if (verificationInfo != null) { 13466 if (verificationInfo.originatingUri != null) { 13467 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13468 verificationInfo.originatingUri); 13469 } 13470 if (verificationInfo.referrer != null) { 13471 verification.putExtra(Intent.EXTRA_REFERRER, 13472 verificationInfo.referrer); 13473 } 13474 if (verificationInfo.originatingUid >= 0) { 13475 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13476 verificationInfo.originatingUid); 13477 } 13478 if (verificationInfo.installerUid >= 0) { 13479 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13480 verificationInfo.installerUid); 13481 } 13482 } 13483 13484 final PackageVerificationState verificationState = new PackageVerificationState( 13485 requiredUid, args); 13486 13487 mPendingVerification.append(verificationId, verificationState); 13488 13489 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13490 receivers, verificationState); 13491 13492 /* 13493 * If any sufficient verifiers were listed in the package 13494 * manifest, attempt to ask them. 13495 */ 13496 if (sufficientVerifiers != null) { 13497 final int N = sufficientVerifiers.size(); 13498 if (N == 0) { 13499 Slog.i(TAG, "Additional verifiers required, but none installed."); 13500 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13501 } else { 13502 for (int i = 0; i < N; i++) { 13503 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13504 13505 final Intent sufficientIntent = new Intent(verification); 13506 sufficientIntent.setComponent(verifierComponent); 13507 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13508 } 13509 } 13510 } 13511 13512 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13513 mRequiredVerifierPackage, receivers); 13514 if (ret == PackageManager.INSTALL_SUCCEEDED 13515 && mRequiredVerifierPackage != null) { 13516 Trace.asyncTraceBegin( 13517 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13518 /* 13519 * Send the intent to the required verification agent, 13520 * but only start the verification timeout after the 13521 * target BroadcastReceivers have run. 13522 */ 13523 verification.setComponent(requiredVerifierComponent); 13524 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13525 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13526 new BroadcastReceiver() { 13527 @Override 13528 public void onReceive(Context context, Intent intent) { 13529 final Message msg = mHandler 13530 .obtainMessage(CHECK_PENDING_VERIFICATION); 13531 msg.arg1 = verificationId; 13532 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13533 } 13534 }, null, 0, null, null); 13535 13536 /* 13537 * We don't want the copy to proceed until verification 13538 * succeeds, so null out this field. 13539 */ 13540 mArgs = null; 13541 } 13542 } else { 13543 /* 13544 * No package verification is enabled, so immediately start 13545 * the remote call to initiate copy using temporary file. 13546 */ 13547 ret = args.copyApk(mContainerService, true); 13548 } 13549 } 13550 13551 mRet = ret; 13552 } 13553 13554 @Override 13555 void handleReturnCode() { 13556 // If mArgs is null, then MCS couldn't be reached. When it 13557 // reconnects, it will try again to install. At that point, this 13558 // will succeed. 13559 if (mArgs != null) { 13560 processPendingInstall(mArgs, mRet); 13561 } 13562 } 13563 13564 @Override 13565 void handleServiceError() { 13566 mArgs = createInstallArgs(this); 13567 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13568 } 13569 13570 public boolean isForwardLocked() { 13571 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13572 } 13573 } 13574 13575 /** 13576 * Used during creation of InstallArgs 13577 * 13578 * @param installFlags package installation flags 13579 * @return true if should be installed on external storage 13580 */ 13581 private static boolean installOnExternalAsec(int installFlags) { 13582 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13583 return false; 13584 } 13585 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13586 return true; 13587 } 13588 return false; 13589 } 13590 13591 /** 13592 * Used during creation of InstallArgs 13593 * 13594 * @param installFlags package installation flags 13595 * @return true if should be installed as forward locked 13596 */ 13597 private static boolean installForwardLocked(int installFlags) { 13598 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13599 } 13600 13601 private InstallArgs createInstallArgs(InstallParams params) { 13602 if (params.move != null) { 13603 return new MoveInstallArgs(params); 13604 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13605 return new AsecInstallArgs(params); 13606 } else { 13607 return new FileInstallArgs(params); 13608 } 13609 } 13610 13611 /** 13612 * Create args that describe an existing installed package. Typically used 13613 * when cleaning up old installs, or used as a move source. 13614 */ 13615 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13616 String resourcePath, String[] instructionSets) { 13617 final boolean isInAsec; 13618 if (installOnExternalAsec(installFlags)) { 13619 /* Apps on SD card are always in ASEC containers. */ 13620 isInAsec = true; 13621 } else if (installForwardLocked(installFlags) 13622 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13623 /* 13624 * Forward-locked apps are only in ASEC containers if they're the 13625 * new style 13626 */ 13627 isInAsec = true; 13628 } else { 13629 isInAsec = false; 13630 } 13631 13632 if (isInAsec) { 13633 return new AsecInstallArgs(codePath, instructionSets, 13634 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13635 } else { 13636 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13637 } 13638 } 13639 13640 static abstract class InstallArgs { 13641 /** @see InstallParams#origin */ 13642 final OriginInfo origin; 13643 /** @see InstallParams#move */ 13644 final MoveInfo move; 13645 13646 final IPackageInstallObserver2 observer; 13647 // Always refers to PackageManager flags only 13648 final int installFlags; 13649 final String installerPackageName; 13650 final String volumeUuid; 13651 final UserHandle user; 13652 final String abiOverride; 13653 final String[] installGrantPermissions; 13654 /** If non-null, drop an async trace when the install completes */ 13655 final String traceMethod; 13656 final int traceCookie; 13657 final Certificate[][] certificates; 13658 13659 // The list of instruction sets supported by this app. This is currently 13660 // only used during the rmdex() phase to clean up resources. We can get rid of this 13661 // if we move dex files under the common app path. 13662 /* nullable */ String[] instructionSets; 13663 13664 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13665 int installFlags, String installerPackageName, String volumeUuid, 13666 UserHandle user, String[] instructionSets, 13667 String abiOverride, String[] installGrantPermissions, 13668 String traceMethod, int traceCookie, Certificate[][] certificates) { 13669 this.origin = origin; 13670 this.move = move; 13671 this.installFlags = installFlags; 13672 this.observer = observer; 13673 this.installerPackageName = installerPackageName; 13674 this.volumeUuid = volumeUuid; 13675 this.user = user; 13676 this.instructionSets = instructionSets; 13677 this.abiOverride = abiOverride; 13678 this.installGrantPermissions = installGrantPermissions; 13679 this.traceMethod = traceMethod; 13680 this.traceCookie = traceCookie; 13681 this.certificates = certificates; 13682 } 13683 13684 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13685 abstract int doPreInstall(int status); 13686 13687 /** 13688 * Rename package into final resting place. All paths on the given 13689 * scanned package should be updated to reflect the rename. 13690 */ 13691 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13692 abstract int doPostInstall(int status, int uid); 13693 13694 /** @see PackageSettingBase#codePathString */ 13695 abstract String getCodePath(); 13696 /** @see PackageSettingBase#resourcePathString */ 13697 abstract String getResourcePath(); 13698 13699 // Need installer lock especially for dex file removal. 13700 abstract void cleanUpResourcesLI(); 13701 abstract boolean doPostDeleteLI(boolean delete); 13702 13703 /** 13704 * Called before the source arguments are copied. This is used mostly 13705 * for MoveParams when it needs to read the source file to put it in the 13706 * destination. 13707 */ 13708 int doPreCopy() { 13709 return PackageManager.INSTALL_SUCCEEDED; 13710 } 13711 13712 /** 13713 * Called after the source arguments are copied. This is used mostly for 13714 * MoveParams when it needs to read the source file to put it in the 13715 * destination. 13716 */ 13717 int doPostCopy(int uid) { 13718 return PackageManager.INSTALL_SUCCEEDED; 13719 } 13720 13721 protected boolean isFwdLocked() { 13722 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13723 } 13724 13725 protected boolean isExternalAsec() { 13726 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13727 } 13728 13729 protected boolean isEphemeral() { 13730 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13731 } 13732 13733 UserHandle getUser() { 13734 return user; 13735 } 13736 } 13737 13738 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13739 if (!allCodePaths.isEmpty()) { 13740 if (instructionSets == null) { 13741 throw new IllegalStateException("instructionSet == null"); 13742 } 13743 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13744 for (String codePath : allCodePaths) { 13745 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13746 try { 13747 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13748 } catch (InstallerException ignored) { 13749 } 13750 } 13751 } 13752 } 13753 } 13754 13755 /** 13756 * Logic to handle installation of non-ASEC applications, including copying 13757 * and renaming logic. 13758 */ 13759 class FileInstallArgs extends InstallArgs { 13760 private File codeFile; 13761 private File resourceFile; 13762 13763 // Example topology: 13764 // /data/app/com.example/base.apk 13765 // /data/app/com.example/split_foo.apk 13766 // /data/app/com.example/lib/arm/libfoo.so 13767 // /data/app/com.example/lib/arm64/libfoo.so 13768 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13769 13770 /** New install */ 13771 FileInstallArgs(InstallParams params) { 13772 super(params.origin, params.move, params.observer, params.installFlags, 13773 params.installerPackageName, params.volumeUuid, 13774 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13775 params.grantedRuntimePermissions, 13776 params.traceMethod, params.traceCookie, params.certificates); 13777 if (isFwdLocked()) { 13778 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13779 } 13780 } 13781 13782 /** Existing install */ 13783 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13784 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13785 null, null, null, 0, null /*certificates*/); 13786 this.codeFile = (codePath != null) ? new File(codePath) : null; 13787 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13788 } 13789 13790 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13791 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13792 try { 13793 return doCopyApk(imcs, temp); 13794 } finally { 13795 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13796 } 13797 } 13798 13799 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13800 if (origin.staged) { 13801 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13802 codeFile = origin.file; 13803 resourceFile = origin.file; 13804 return PackageManager.INSTALL_SUCCEEDED; 13805 } 13806 13807 try { 13808 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13809 final File tempDir = 13810 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13811 codeFile = tempDir; 13812 resourceFile = tempDir; 13813 } catch (IOException e) { 13814 Slog.w(TAG, "Failed to create copy file: " + e); 13815 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13816 } 13817 13818 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13819 @Override 13820 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13821 if (!FileUtils.isValidExtFilename(name)) { 13822 throw new IllegalArgumentException("Invalid filename: " + name); 13823 } 13824 try { 13825 final File file = new File(codeFile, name); 13826 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13827 O_RDWR | O_CREAT, 0644); 13828 Os.chmod(file.getAbsolutePath(), 0644); 13829 return new ParcelFileDescriptor(fd); 13830 } catch (ErrnoException e) { 13831 throw new RemoteException("Failed to open: " + e.getMessage()); 13832 } 13833 } 13834 }; 13835 13836 int ret = PackageManager.INSTALL_SUCCEEDED; 13837 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13838 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13839 Slog.e(TAG, "Failed to copy package"); 13840 return ret; 13841 } 13842 13843 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13844 NativeLibraryHelper.Handle handle = null; 13845 try { 13846 handle = NativeLibraryHelper.Handle.create(codeFile); 13847 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13848 abiOverride); 13849 } catch (IOException e) { 13850 Slog.e(TAG, "Copying native libraries failed", e); 13851 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13852 } finally { 13853 IoUtils.closeQuietly(handle); 13854 } 13855 13856 return ret; 13857 } 13858 13859 int doPreInstall(int status) { 13860 if (status != PackageManager.INSTALL_SUCCEEDED) { 13861 cleanUp(); 13862 } 13863 return status; 13864 } 13865 13866 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13867 if (status != PackageManager.INSTALL_SUCCEEDED) { 13868 cleanUp(); 13869 return false; 13870 } 13871 13872 final File targetDir = codeFile.getParentFile(); 13873 final File beforeCodeFile = codeFile; 13874 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13875 13876 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13877 try { 13878 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13879 } catch (ErrnoException e) { 13880 Slog.w(TAG, "Failed to rename", e); 13881 return false; 13882 } 13883 13884 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13885 Slog.w(TAG, "Failed to restorecon"); 13886 return false; 13887 } 13888 13889 // Reflect the rename internally 13890 codeFile = afterCodeFile; 13891 resourceFile = afterCodeFile; 13892 13893 // Reflect the rename in scanned details 13894 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13895 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13896 afterCodeFile, pkg.baseCodePath)); 13897 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13898 afterCodeFile, pkg.splitCodePaths)); 13899 13900 // Reflect the rename in app info 13901 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13902 pkg.setApplicationInfoCodePath(pkg.codePath); 13903 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13904 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13905 pkg.setApplicationInfoResourcePath(pkg.codePath); 13906 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13907 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13908 13909 return true; 13910 } 13911 13912 int doPostInstall(int status, int uid) { 13913 if (status != PackageManager.INSTALL_SUCCEEDED) { 13914 cleanUp(); 13915 } 13916 return status; 13917 } 13918 13919 @Override 13920 String getCodePath() { 13921 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13922 } 13923 13924 @Override 13925 String getResourcePath() { 13926 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13927 } 13928 13929 private boolean cleanUp() { 13930 if (codeFile == null || !codeFile.exists()) { 13931 return false; 13932 } 13933 13934 removeCodePathLI(codeFile); 13935 13936 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13937 resourceFile.delete(); 13938 } 13939 13940 return true; 13941 } 13942 13943 void cleanUpResourcesLI() { 13944 // Try enumerating all code paths before deleting 13945 List<String> allCodePaths = Collections.EMPTY_LIST; 13946 if (codeFile != null && codeFile.exists()) { 13947 try { 13948 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13949 allCodePaths = pkg.getAllCodePaths(); 13950 } catch (PackageParserException e) { 13951 // Ignored; we tried our best 13952 } 13953 } 13954 13955 cleanUp(); 13956 removeDexFiles(allCodePaths, instructionSets); 13957 } 13958 13959 boolean doPostDeleteLI(boolean delete) { 13960 // XXX err, shouldn't we respect the delete flag? 13961 cleanUpResourcesLI(); 13962 return true; 13963 } 13964 } 13965 13966 private boolean isAsecExternal(String cid) { 13967 final String asecPath = PackageHelper.getSdFilesystem(cid); 13968 return !asecPath.startsWith(mAsecInternalPath); 13969 } 13970 13971 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13972 PackageManagerException { 13973 if (copyRet < 0) { 13974 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13975 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13976 throw new PackageManagerException(copyRet, message); 13977 } 13978 } 13979 } 13980 13981 /** 13982 * Extract the StorageManagerService "container ID" from the full code path of an 13983 * .apk. 13984 */ 13985 static String cidFromCodePath(String fullCodePath) { 13986 int eidx = fullCodePath.lastIndexOf("/"); 13987 String subStr1 = fullCodePath.substring(0, eidx); 13988 int sidx = subStr1.lastIndexOf("/"); 13989 return subStr1.substring(sidx+1, eidx); 13990 } 13991 13992 /** 13993 * Logic to handle installation of ASEC applications, including copying and 13994 * renaming logic. 13995 */ 13996 class AsecInstallArgs extends InstallArgs { 13997 static final String RES_FILE_NAME = "pkg.apk"; 13998 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13999 14000 String cid; 14001 String packagePath; 14002 String resourcePath; 14003 14004 /** New install */ 14005 AsecInstallArgs(InstallParams params) { 14006 super(params.origin, params.move, params.observer, params.installFlags, 14007 params.installerPackageName, params.volumeUuid, 14008 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 14009 params.grantedRuntimePermissions, 14010 params.traceMethod, params.traceCookie, params.certificates); 14011 } 14012 14013 /** Existing install */ 14014 AsecInstallArgs(String fullCodePath, String[] instructionSets, 14015 boolean isExternal, boolean isForwardLocked) { 14016 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 14017 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 14018 instructionSets, null, null, null, 0, null /*certificates*/); 14019 // Hackily pretend we're still looking at a full code path 14020 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 14021 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 14022 } 14023 14024 // Extract cid from fullCodePath 14025 int eidx = fullCodePath.lastIndexOf("/"); 14026 String subStr1 = fullCodePath.substring(0, eidx); 14027 int sidx = subStr1.lastIndexOf("/"); 14028 cid = subStr1.substring(sidx+1, eidx); 14029 setMountPath(subStr1); 14030 } 14031 14032 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 14033 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 14034 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 14035 instructionSets, null, null, null, 0, null /*certificates*/); 14036 this.cid = cid; 14037 setMountPath(PackageHelper.getSdDir(cid)); 14038 } 14039 14040 void createCopyFile() { 14041 cid = mInstallerService.allocateExternalStageCidLegacy(); 14042 } 14043 14044 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14045 if (origin.staged && origin.cid != null) { 14046 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 14047 cid = origin.cid; 14048 setMountPath(PackageHelper.getSdDir(cid)); 14049 return PackageManager.INSTALL_SUCCEEDED; 14050 } 14051 14052 if (temp) { 14053 createCopyFile(); 14054 } else { 14055 /* 14056 * Pre-emptively destroy the container since it's destroyed if 14057 * copying fails due to it existing anyway. 14058 */ 14059 PackageHelper.destroySdDir(cid); 14060 } 14061 14062 final String newMountPath = imcs.copyPackageToContainer( 14063 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 14064 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 14065 14066 if (newMountPath != null) { 14067 setMountPath(newMountPath); 14068 return PackageManager.INSTALL_SUCCEEDED; 14069 } else { 14070 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14071 } 14072 } 14073 14074 @Override 14075 String getCodePath() { 14076 return packagePath; 14077 } 14078 14079 @Override 14080 String getResourcePath() { 14081 return resourcePath; 14082 } 14083 14084 int doPreInstall(int status) { 14085 if (status != PackageManager.INSTALL_SUCCEEDED) { 14086 // Destroy container 14087 PackageHelper.destroySdDir(cid); 14088 } else { 14089 boolean mounted = PackageHelper.isContainerMounted(cid); 14090 if (!mounted) { 14091 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 14092 Process.SYSTEM_UID); 14093 if (newMountPath != null) { 14094 setMountPath(newMountPath); 14095 } else { 14096 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14097 } 14098 } 14099 } 14100 return status; 14101 } 14102 14103 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14104 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 14105 String newMountPath = null; 14106 if (PackageHelper.isContainerMounted(cid)) { 14107 // Unmount the container 14108 if (!PackageHelper.unMountSdDir(cid)) { 14109 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 14110 return false; 14111 } 14112 } 14113 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 14114 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 14115 " which might be stale. Will try to clean up."); 14116 // Clean up the stale container and proceed to recreate. 14117 if (!PackageHelper.destroySdDir(newCacheId)) { 14118 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 14119 return false; 14120 } 14121 // Successfully cleaned up stale container. Try to rename again. 14122 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 14123 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 14124 + " inspite of cleaning it up."); 14125 return false; 14126 } 14127 } 14128 if (!PackageHelper.isContainerMounted(newCacheId)) { 14129 Slog.w(TAG, "Mounting container " + newCacheId); 14130 newMountPath = PackageHelper.mountSdDir(newCacheId, 14131 getEncryptKey(), Process.SYSTEM_UID); 14132 } else { 14133 newMountPath = PackageHelper.getSdDir(newCacheId); 14134 } 14135 if (newMountPath == null) { 14136 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 14137 return false; 14138 } 14139 Log.i(TAG, "Succesfully renamed " + cid + 14140 " to " + newCacheId + 14141 " at new path: " + newMountPath); 14142 cid = newCacheId; 14143 14144 final File beforeCodeFile = new File(packagePath); 14145 setMountPath(newMountPath); 14146 final File afterCodeFile = new File(packagePath); 14147 14148 // Reflect the rename in scanned details 14149 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 14150 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 14151 afterCodeFile, pkg.baseCodePath)); 14152 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 14153 afterCodeFile, pkg.splitCodePaths)); 14154 14155 // Reflect the rename in app info 14156 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14157 pkg.setApplicationInfoCodePath(pkg.codePath); 14158 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14159 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14160 pkg.setApplicationInfoResourcePath(pkg.codePath); 14161 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14162 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14163 14164 return true; 14165 } 14166 14167 private void setMountPath(String mountPath) { 14168 final File mountFile = new File(mountPath); 14169 14170 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 14171 if (monolithicFile.exists()) { 14172 packagePath = monolithicFile.getAbsolutePath(); 14173 if (isFwdLocked()) { 14174 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 14175 } else { 14176 resourcePath = packagePath; 14177 } 14178 } else { 14179 packagePath = mountFile.getAbsolutePath(); 14180 resourcePath = packagePath; 14181 } 14182 } 14183 14184 int doPostInstall(int status, int uid) { 14185 if (status != PackageManager.INSTALL_SUCCEEDED) { 14186 cleanUp(); 14187 } else { 14188 final int groupOwner; 14189 final String protectedFile; 14190 if (isFwdLocked()) { 14191 groupOwner = UserHandle.getSharedAppGid(uid); 14192 protectedFile = RES_FILE_NAME; 14193 } else { 14194 groupOwner = -1; 14195 protectedFile = null; 14196 } 14197 14198 if (uid < Process.FIRST_APPLICATION_UID 14199 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 14200 Slog.e(TAG, "Failed to finalize " + cid); 14201 PackageHelper.destroySdDir(cid); 14202 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14203 } 14204 14205 boolean mounted = PackageHelper.isContainerMounted(cid); 14206 if (!mounted) { 14207 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 14208 } 14209 } 14210 return status; 14211 } 14212 14213 private void cleanUp() { 14214 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 14215 14216 // Destroy secure container 14217 PackageHelper.destroySdDir(cid); 14218 } 14219 14220 private List<String> getAllCodePaths() { 14221 final File codeFile = new File(getCodePath()); 14222 if (codeFile != null && codeFile.exists()) { 14223 try { 14224 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 14225 return pkg.getAllCodePaths(); 14226 } catch (PackageParserException e) { 14227 // Ignored; we tried our best 14228 } 14229 } 14230 return Collections.EMPTY_LIST; 14231 } 14232 14233 void cleanUpResourcesLI() { 14234 // Enumerate all code paths before deleting 14235 cleanUpResourcesLI(getAllCodePaths()); 14236 } 14237 14238 private void cleanUpResourcesLI(List<String> allCodePaths) { 14239 cleanUp(); 14240 removeDexFiles(allCodePaths, instructionSets); 14241 } 14242 14243 String getPackageName() { 14244 return getAsecPackageName(cid); 14245 } 14246 14247 boolean doPostDeleteLI(boolean delete) { 14248 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 14249 final List<String> allCodePaths = getAllCodePaths(); 14250 boolean mounted = PackageHelper.isContainerMounted(cid); 14251 if (mounted) { 14252 // Unmount first 14253 if (PackageHelper.unMountSdDir(cid)) { 14254 mounted = false; 14255 } 14256 } 14257 if (!mounted && delete) { 14258 cleanUpResourcesLI(allCodePaths); 14259 } 14260 return !mounted; 14261 } 14262 14263 @Override 14264 int doPreCopy() { 14265 if (isFwdLocked()) { 14266 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 14267 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 14268 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14269 } 14270 } 14271 14272 return PackageManager.INSTALL_SUCCEEDED; 14273 } 14274 14275 @Override 14276 int doPostCopy(int uid) { 14277 if (isFwdLocked()) { 14278 if (uid < Process.FIRST_APPLICATION_UID 14279 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 14280 RES_FILE_NAME)) { 14281 Slog.e(TAG, "Failed to finalize " + cid); 14282 PackageHelper.destroySdDir(cid); 14283 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14284 } 14285 } 14286 14287 return PackageManager.INSTALL_SUCCEEDED; 14288 } 14289 } 14290 14291 /** 14292 * Logic to handle movement of existing installed applications. 14293 */ 14294 class MoveInstallArgs extends InstallArgs { 14295 private File codeFile; 14296 private File resourceFile; 14297 14298 /** New install */ 14299 MoveInstallArgs(InstallParams params) { 14300 super(params.origin, params.move, params.observer, params.installFlags, 14301 params.installerPackageName, params.volumeUuid, 14302 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 14303 params.grantedRuntimePermissions, 14304 params.traceMethod, params.traceCookie, params.certificates); 14305 } 14306 14307 int copyApk(IMediaContainerService imcs, boolean temp) { 14308 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 14309 + move.fromUuid + " to " + move.toUuid); 14310 synchronized (mInstaller) { 14311 try { 14312 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 14313 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 14314 } catch (InstallerException e) { 14315 Slog.w(TAG, "Failed to move app", e); 14316 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14317 } 14318 } 14319 14320 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 14321 resourceFile = codeFile; 14322 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 14323 14324 return PackageManager.INSTALL_SUCCEEDED; 14325 } 14326 14327 int doPreInstall(int status) { 14328 if (status != PackageManager.INSTALL_SUCCEEDED) { 14329 cleanUp(move.toUuid); 14330 } 14331 return status; 14332 } 14333 14334 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14335 if (status != PackageManager.INSTALL_SUCCEEDED) { 14336 cleanUp(move.toUuid); 14337 return false; 14338 } 14339 14340 // Reflect the move in app info 14341 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14342 pkg.setApplicationInfoCodePath(pkg.codePath); 14343 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14344 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14345 pkg.setApplicationInfoResourcePath(pkg.codePath); 14346 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14347 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14348 14349 return true; 14350 } 14351 14352 int doPostInstall(int status, int uid) { 14353 if (status == PackageManager.INSTALL_SUCCEEDED) { 14354 cleanUp(move.fromUuid); 14355 } else { 14356 cleanUp(move.toUuid); 14357 } 14358 return status; 14359 } 14360 14361 @Override 14362 String getCodePath() { 14363 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14364 } 14365 14366 @Override 14367 String getResourcePath() { 14368 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14369 } 14370 14371 private boolean cleanUp(String volumeUuid) { 14372 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 14373 move.dataAppName); 14374 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 14375 final int[] userIds = sUserManager.getUserIds(); 14376 synchronized (mInstallLock) { 14377 // Clean up both app data and code 14378 // All package moves are frozen until finished 14379 for (int userId : userIds) { 14380 try { 14381 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14382 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14383 } catch (InstallerException e) { 14384 Slog.w(TAG, String.valueOf(e)); 14385 } 14386 } 14387 removeCodePathLI(codeFile); 14388 } 14389 return true; 14390 } 14391 14392 void cleanUpResourcesLI() { 14393 throw new UnsupportedOperationException(); 14394 } 14395 14396 boolean doPostDeleteLI(boolean delete) { 14397 throw new UnsupportedOperationException(); 14398 } 14399 } 14400 14401 static String getAsecPackageName(String packageCid) { 14402 int idx = packageCid.lastIndexOf("-"); 14403 if (idx == -1) { 14404 return packageCid; 14405 } 14406 return packageCid.substring(0, idx); 14407 } 14408 14409 // Utility method used to create code paths based on package name and available index. 14410 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14411 String idxStr = ""; 14412 int idx = 1; 14413 // Fall back to default value of idx=1 if prefix is not 14414 // part of oldCodePath 14415 if (oldCodePath != null) { 14416 String subStr = oldCodePath; 14417 // Drop the suffix right away 14418 if (suffix != null && subStr.endsWith(suffix)) { 14419 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14420 } 14421 // If oldCodePath already contains prefix find out the 14422 // ending index to either increment or decrement. 14423 int sidx = subStr.lastIndexOf(prefix); 14424 if (sidx != -1) { 14425 subStr = subStr.substring(sidx + prefix.length()); 14426 if (subStr != null) { 14427 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14428 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14429 } 14430 try { 14431 idx = Integer.parseInt(subStr); 14432 if (idx <= 1) { 14433 idx++; 14434 } else { 14435 idx--; 14436 } 14437 } catch(NumberFormatException e) { 14438 } 14439 } 14440 } 14441 } 14442 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14443 return prefix + idxStr; 14444 } 14445 14446 private File getNextCodePath(File targetDir, String packageName) { 14447 File result; 14448 SecureRandom random = new SecureRandom(); 14449 byte[] bytes = new byte[16]; 14450 do { 14451 random.nextBytes(bytes); 14452 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 14453 result = new File(targetDir, packageName + "-" + suffix); 14454 } while (result.exists()); 14455 return result; 14456 } 14457 14458 // Utility method that returns the relative package path with respect 14459 // to the installation directory. Like say for /data/data/com.test-1.apk 14460 // string com.test-1 is returned. 14461 static String deriveCodePathName(String codePath) { 14462 if (codePath == null) { 14463 return null; 14464 } 14465 final File codeFile = new File(codePath); 14466 final String name = codeFile.getName(); 14467 if (codeFile.isDirectory()) { 14468 return name; 14469 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14470 final int lastDot = name.lastIndexOf('.'); 14471 return name.substring(0, lastDot); 14472 } else { 14473 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14474 return null; 14475 } 14476 } 14477 14478 static class PackageInstalledInfo { 14479 String name; 14480 int uid; 14481 // The set of users that originally had this package installed. 14482 int[] origUsers; 14483 // The set of users that now have this package installed. 14484 int[] newUsers; 14485 PackageParser.Package pkg; 14486 int returnCode; 14487 String returnMsg; 14488 PackageRemovedInfo removedInfo; 14489 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14490 14491 public void setError(int code, String msg) { 14492 setReturnCode(code); 14493 setReturnMessage(msg); 14494 Slog.w(TAG, msg); 14495 } 14496 14497 public void setError(String msg, PackageParserException e) { 14498 setReturnCode(e.error); 14499 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14500 Slog.w(TAG, msg, e); 14501 } 14502 14503 public void setError(String msg, PackageManagerException e) { 14504 returnCode = e.error; 14505 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14506 Slog.w(TAG, msg, e); 14507 } 14508 14509 public void setReturnCode(int returnCode) { 14510 this.returnCode = returnCode; 14511 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14512 for (int i = 0; i < childCount; i++) { 14513 addedChildPackages.valueAt(i).returnCode = returnCode; 14514 } 14515 } 14516 14517 private void setReturnMessage(String returnMsg) { 14518 this.returnMsg = returnMsg; 14519 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14520 for (int i = 0; i < childCount; i++) { 14521 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14522 } 14523 } 14524 14525 // In some error cases we want to convey more info back to the observer 14526 String origPackage; 14527 String origPermission; 14528 } 14529 14530 /* 14531 * Install a non-existing package. 14532 */ 14533 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14534 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14535 PackageInstalledInfo res) { 14536 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14537 14538 // Remember this for later, in case we need to rollback this install 14539 String pkgName = pkg.packageName; 14540 14541 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14542 14543 synchronized(mPackages) { 14544 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 14545 if (renamedPackage != null) { 14546 // A package with the same name is already installed, though 14547 // it has been renamed to an older name. The package we 14548 // are trying to install should be installed as an update to 14549 // the existing one, but that has not been requested, so bail. 14550 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14551 + " without first uninstalling package running as " 14552 + renamedPackage); 14553 return; 14554 } 14555 if (mPackages.containsKey(pkgName)) { 14556 // Don't allow installation over an existing package with the same name. 14557 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14558 + " without first uninstalling."); 14559 return; 14560 } 14561 } 14562 14563 try { 14564 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14565 System.currentTimeMillis(), user); 14566 14567 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14568 14569 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14570 prepareAppDataAfterInstallLIF(newPackage); 14571 14572 } else { 14573 // Remove package from internal structures, but keep around any 14574 // data that might have already existed 14575 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14576 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14577 } 14578 } catch (PackageManagerException e) { 14579 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14580 } 14581 14582 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14583 } 14584 14585 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14586 // Can't rotate keys during boot or if sharedUser. 14587 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14588 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14589 return false; 14590 } 14591 // app is using upgradeKeySets; make sure all are valid 14592 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14593 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14594 for (int i = 0; i < upgradeKeySets.length; i++) { 14595 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14596 Slog.wtf(TAG, "Package " 14597 + (oldPs.name != null ? oldPs.name : "<null>") 14598 + " contains upgrade-key-set reference to unknown key-set: " 14599 + upgradeKeySets[i] 14600 + " reverting to signatures check."); 14601 return false; 14602 } 14603 } 14604 return true; 14605 } 14606 14607 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14608 // Upgrade keysets are being used. Determine if new package has a superset of the 14609 // required keys. 14610 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14611 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14612 for (int i = 0; i < upgradeKeySets.length; i++) { 14613 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14614 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14615 return true; 14616 } 14617 } 14618 return false; 14619 } 14620 14621 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14622 try (DigestInputStream digestStream = 14623 new DigestInputStream(new FileInputStream(file), digest)) { 14624 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14625 } 14626 } 14627 14628 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14629 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14630 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14631 14632 final PackageParser.Package oldPackage; 14633 final String pkgName = pkg.packageName; 14634 final int[] allUsers; 14635 final int[] installedUsers; 14636 14637 synchronized(mPackages) { 14638 oldPackage = mPackages.get(pkgName); 14639 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14640 14641 // don't allow upgrade to target a release SDK from a pre-release SDK 14642 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14643 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14644 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14645 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14646 if (oldTargetsPreRelease 14647 && !newTargetsPreRelease 14648 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14649 Slog.w(TAG, "Can't install package targeting released sdk"); 14650 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14651 return; 14652 } 14653 14654 // don't allow an upgrade from full to ephemeral 14655 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14656 if (isEphemeral && !oldIsEphemeral) { 14657 // can't downgrade from full to ephemeral 14658 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14659 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14660 return; 14661 } 14662 14663 // verify signatures are valid 14664 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14665 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14666 if (!checkUpgradeKeySetLP(ps, pkg)) { 14667 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14668 "New package not signed by keys specified by upgrade-keysets: " 14669 + pkgName); 14670 return; 14671 } 14672 } else { 14673 // default to original signature matching 14674 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14675 != PackageManager.SIGNATURE_MATCH) { 14676 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14677 "New package has a different signature: " + pkgName); 14678 return; 14679 } 14680 } 14681 14682 // don't allow a system upgrade unless the upgrade hash matches 14683 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14684 byte[] digestBytes = null; 14685 try { 14686 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14687 updateDigest(digest, new File(pkg.baseCodePath)); 14688 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14689 for (String path : pkg.splitCodePaths) { 14690 updateDigest(digest, new File(path)); 14691 } 14692 } 14693 digestBytes = digest.digest(); 14694 } catch (NoSuchAlgorithmException | IOException e) { 14695 res.setError(INSTALL_FAILED_INVALID_APK, 14696 "Could not compute hash: " + pkgName); 14697 return; 14698 } 14699 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14700 res.setError(INSTALL_FAILED_INVALID_APK, 14701 "New package fails restrict-update check: " + pkgName); 14702 return; 14703 } 14704 // retain upgrade restriction 14705 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14706 } 14707 14708 // Check for shared user id changes 14709 String invalidPackageName = 14710 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14711 if (invalidPackageName != null) { 14712 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14713 "Package " + invalidPackageName + " tried to change user " 14714 + oldPackage.mSharedUserId); 14715 return; 14716 } 14717 14718 // In case of rollback, remember per-user/profile install state 14719 allUsers = sUserManager.getUserIds(); 14720 installedUsers = ps.queryInstalledUsers(allUsers, true); 14721 } 14722 14723 // Update what is removed 14724 res.removedInfo = new PackageRemovedInfo(); 14725 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14726 res.removedInfo.removedPackage = oldPackage.packageName; 14727 res.removedInfo.isUpdate = true; 14728 res.removedInfo.origUsers = installedUsers; 14729 final int childCount = (oldPackage.childPackages != null) 14730 ? oldPackage.childPackages.size() : 0; 14731 for (int i = 0; i < childCount; i++) { 14732 boolean childPackageUpdated = false; 14733 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14734 if (res.addedChildPackages != null) { 14735 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14736 if (childRes != null) { 14737 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14738 childRes.removedInfo.removedPackage = childPkg.packageName; 14739 childRes.removedInfo.isUpdate = true; 14740 childPackageUpdated = true; 14741 } 14742 } 14743 if (!childPackageUpdated) { 14744 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14745 childRemovedRes.removedPackage = childPkg.packageName; 14746 childRemovedRes.isUpdate = false; 14747 childRemovedRes.dataRemoved = true; 14748 synchronized (mPackages) { 14749 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 14750 if (childPs != null) { 14751 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14752 } 14753 } 14754 if (res.removedInfo.removedChildPackages == null) { 14755 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14756 } 14757 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14758 } 14759 } 14760 14761 boolean sysPkg = (isSystemApp(oldPackage)); 14762 if (sysPkg) { 14763 // Set the system/privileged flags as needed 14764 final boolean privileged = 14765 (oldPackage.applicationInfo.privateFlags 14766 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14767 final int systemPolicyFlags = policyFlags 14768 | PackageParser.PARSE_IS_SYSTEM 14769 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14770 14771 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14772 user, allUsers, installerPackageName, res); 14773 } else { 14774 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14775 user, allUsers, installerPackageName, res); 14776 } 14777 } 14778 14779 public List<String> getPreviousCodePaths(String packageName) { 14780 final PackageSetting ps = mSettings.mPackages.get(packageName); 14781 final List<String> result = new ArrayList<String>(); 14782 if (ps != null && ps.oldCodePaths != null) { 14783 result.addAll(ps.oldCodePaths); 14784 } 14785 return result; 14786 } 14787 14788 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14789 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14790 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14791 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14792 + deletedPackage); 14793 14794 String pkgName = deletedPackage.packageName; 14795 boolean deletedPkg = true; 14796 boolean addedPkg = false; 14797 boolean updatedSettings = false; 14798 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14799 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14800 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14801 14802 final long origUpdateTime = (pkg.mExtras != null) 14803 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14804 14805 // First delete the existing package while retaining the data directory 14806 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14807 res.removedInfo, true, pkg)) { 14808 // If the existing package wasn't successfully deleted 14809 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14810 deletedPkg = false; 14811 } else { 14812 // Successfully deleted the old package; proceed with replace. 14813 14814 // If deleted package lived in a container, give users a chance to 14815 // relinquish resources before killing. 14816 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14817 if (DEBUG_INSTALL) { 14818 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14819 } 14820 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14821 final ArrayList<String> pkgList = new ArrayList<String>(1); 14822 pkgList.add(deletedPackage.applicationInfo.packageName); 14823 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14824 } 14825 14826 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14827 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14828 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14829 14830 try { 14831 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14832 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14833 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14834 14835 // Update the in-memory copy of the previous code paths. 14836 PackageSetting ps = mSettings.mPackages.get(pkgName); 14837 if (!killApp) { 14838 if (ps.oldCodePaths == null) { 14839 ps.oldCodePaths = new ArraySet<>(); 14840 } 14841 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14842 if (deletedPackage.splitCodePaths != null) { 14843 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14844 } 14845 } else { 14846 ps.oldCodePaths = null; 14847 } 14848 if (ps.childPackageNames != null) { 14849 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14850 final String childPkgName = ps.childPackageNames.get(i); 14851 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14852 childPs.oldCodePaths = ps.oldCodePaths; 14853 } 14854 } 14855 prepareAppDataAfterInstallLIF(newPackage); 14856 addedPkg = true; 14857 } catch (PackageManagerException e) { 14858 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14859 } 14860 } 14861 14862 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14863 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14864 14865 // Revert all internal state mutations and added folders for the failed install 14866 if (addedPkg) { 14867 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14868 res.removedInfo, true, null); 14869 } 14870 14871 // Restore the old package 14872 if (deletedPkg) { 14873 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14874 File restoreFile = new File(deletedPackage.codePath); 14875 // Parse old package 14876 boolean oldExternal = isExternal(deletedPackage); 14877 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14878 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14879 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14880 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14881 try { 14882 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14883 null); 14884 } catch (PackageManagerException e) { 14885 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14886 + e.getMessage()); 14887 return; 14888 } 14889 14890 synchronized (mPackages) { 14891 // Ensure the installer package name up to date 14892 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14893 14894 // Update permissions for restored package 14895 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14896 14897 mSettings.writeLPr(); 14898 } 14899 14900 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14901 } 14902 } else { 14903 synchronized (mPackages) { 14904 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 14905 if (ps != null) { 14906 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14907 if (res.removedInfo.removedChildPackages != null) { 14908 final int childCount = res.removedInfo.removedChildPackages.size(); 14909 // Iterate in reverse as we may modify the collection 14910 for (int i = childCount - 1; i >= 0; i--) { 14911 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14912 if (res.addedChildPackages.containsKey(childPackageName)) { 14913 res.removedInfo.removedChildPackages.removeAt(i); 14914 } else { 14915 PackageRemovedInfo childInfo = res.removedInfo 14916 .removedChildPackages.valueAt(i); 14917 childInfo.removedForAllUsers = mPackages.get( 14918 childInfo.removedPackage) == null; 14919 } 14920 } 14921 } 14922 } 14923 } 14924 } 14925 } 14926 14927 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14928 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14929 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14930 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14931 + ", old=" + deletedPackage); 14932 14933 final boolean disabledSystem; 14934 14935 // Remove existing system package 14936 removePackageLI(deletedPackage, true); 14937 14938 synchronized (mPackages) { 14939 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14940 } 14941 if (!disabledSystem) { 14942 // We didn't need to disable the .apk as a current system package, 14943 // which means we are replacing another update that is already 14944 // installed. We need to make sure to delete the older one's .apk. 14945 res.removedInfo.args = createInstallArgsForExisting(0, 14946 deletedPackage.applicationInfo.getCodePath(), 14947 deletedPackage.applicationInfo.getResourcePath(), 14948 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14949 } else { 14950 res.removedInfo.args = null; 14951 } 14952 14953 // Successfully disabled the old package. Now proceed with re-installation 14954 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14955 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14956 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14957 14958 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14959 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14960 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14961 14962 PackageParser.Package newPackage = null; 14963 try { 14964 // Add the package to the internal data structures 14965 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14966 14967 // Set the update and install times 14968 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14969 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14970 System.currentTimeMillis()); 14971 14972 // Update the package dynamic state if succeeded 14973 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14974 // Now that the install succeeded make sure we remove data 14975 // directories for any child package the update removed. 14976 final int deletedChildCount = (deletedPackage.childPackages != null) 14977 ? deletedPackage.childPackages.size() : 0; 14978 final int newChildCount = (newPackage.childPackages != null) 14979 ? newPackage.childPackages.size() : 0; 14980 for (int i = 0; i < deletedChildCount; i++) { 14981 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14982 boolean childPackageDeleted = true; 14983 for (int j = 0; j < newChildCount; j++) { 14984 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14985 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14986 childPackageDeleted = false; 14987 break; 14988 } 14989 } 14990 if (childPackageDeleted) { 14991 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14992 deletedChildPkg.packageName); 14993 if (ps != null && res.removedInfo.removedChildPackages != null) { 14994 PackageRemovedInfo removedChildRes = res.removedInfo 14995 .removedChildPackages.get(deletedChildPkg.packageName); 14996 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14997 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14998 } 14999 } 15000 } 15001 15002 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 15003 prepareAppDataAfterInstallLIF(newPackage); 15004 } 15005 } catch (PackageManagerException e) { 15006 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 15007 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15008 } 15009 15010 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15011 // Re installation failed. Restore old information 15012 // Remove new pkg information 15013 if (newPackage != null) { 15014 removeInstalledPackageLI(newPackage, true); 15015 } 15016 // Add back the old system package 15017 try { 15018 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 15019 } catch (PackageManagerException e) { 15020 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 15021 } 15022 15023 synchronized (mPackages) { 15024 if (disabledSystem) { 15025 enableSystemPackageLPw(deletedPackage); 15026 } 15027 15028 // Ensure the installer package name up to date 15029 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 15030 15031 // Update permissions for restored package 15032 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 15033 15034 mSettings.writeLPr(); 15035 } 15036 15037 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 15038 + " after failed upgrade"); 15039 } 15040 } 15041 15042 /** 15043 * Checks whether the parent or any of the child packages have a change shared 15044 * user. For a package to be a valid update the shred users of the parent and 15045 * the children should match. We may later support changing child shared users. 15046 * @param oldPkg The updated package. 15047 * @param newPkg The update package. 15048 * @return The shared user that change between the versions. 15049 */ 15050 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 15051 PackageParser.Package newPkg) { 15052 // Check parent shared user 15053 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 15054 return newPkg.packageName; 15055 } 15056 // Check child shared users 15057 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 15058 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 15059 for (int i = 0; i < newChildCount; i++) { 15060 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 15061 // If this child was present, did it have the same shared user? 15062 for (int j = 0; j < oldChildCount; j++) { 15063 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 15064 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 15065 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 15066 return newChildPkg.packageName; 15067 } 15068 } 15069 } 15070 return null; 15071 } 15072 15073 private void removeNativeBinariesLI(PackageSetting ps) { 15074 // Remove the lib path for the parent package 15075 if (ps != null) { 15076 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 15077 // Remove the lib path for the child packages 15078 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15079 for (int i = 0; i < childCount; i++) { 15080 PackageSetting childPs = null; 15081 synchronized (mPackages) { 15082 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 15083 } 15084 if (childPs != null) { 15085 NativeLibraryHelper.removeNativeBinariesLI(childPs 15086 .legacyNativeLibraryPathString); 15087 } 15088 } 15089 } 15090 } 15091 15092 private void enableSystemPackageLPw(PackageParser.Package pkg) { 15093 // Enable the parent package 15094 mSettings.enableSystemPackageLPw(pkg.packageName); 15095 // Enable the child packages 15096 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15097 for (int i = 0; i < childCount; i++) { 15098 PackageParser.Package childPkg = pkg.childPackages.get(i); 15099 mSettings.enableSystemPackageLPw(childPkg.packageName); 15100 } 15101 } 15102 15103 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 15104 PackageParser.Package newPkg) { 15105 // Disable the parent package (parent always replaced) 15106 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 15107 // Disable the child packages 15108 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 15109 for (int i = 0; i < childCount; i++) { 15110 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 15111 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 15112 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 15113 } 15114 return disabled; 15115 } 15116 15117 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 15118 String installerPackageName) { 15119 // Enable the parent package 15120 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 15121 // Enable the child packages 15122 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15123 for (int i = 0; i < childCount; i++) { 15124 PackageParser.Package childPkg = pkg.childPackages.get(i); 15125 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 15126 } 15127 } 15128 15129 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 15130 // Collect all used permissions in the UID 15131 ArraySet<String> usedPermissions = new ArraySet<>(); 15132 final int packageCount = su.packages.size(); 15133 for (int i = 0; i < packageCount; i++) { 15134 PackageSetting ps = su.packages.valueAt(i); 15135 if (ps.pkg == null) { 15136 continue; 15137 } 15138 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 15139 for (int j = 0; j < requestedPermCount; j++) { 15140 String permission = ps.pkg.requestedPermissions.get(j); 15141 BasePermission bp = mSettings.mPermissions.get(permission); 15142 if (bp != null) { 15143 usedPermissions.add(permission); 15144 } 15145 } 15146 } 15147 15148 PermissionsState permissionsState = su.getPermissionsState(); 15149 // Prune install permissions 15150 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 15151 final int installPermCount = installPermStates.size(); 15152 for (int i = installPermCount - 1; i >= 0; i--) { 15153 PermissionState permissionState = installPermStates.get(i); 15154 if (!usedPermissions.contains(permissionState.getName())) { 15155 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 15156 if (bp != null) { 15157 permissionsState.revokeInstallPermission(bp); 15158 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 15159 PackageManager.MASK_PERMISSION_FLAGS, 0); 15160 } 15161 } 15162 } 15163 15164 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 15165 15166 // Prune runtime permissions 15167 for (int userId : allUserIds) { 15168 List<PermissionState> runtimePermStates = permissionsState 15169 .getRuntimePermissionStates(userId); 15170 final int runtimePermCount = runtimePermStates.size(); 15171 for (int i = runtimePermCount - 1; i >= 0; i--) { 15172 PermissionState permissionState = runtimePermStates.get(i); 15173 if (!usedPermissions.contains(permissionState.getName())) { 15174 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 15175 if (bp != null) { 15176 permissionsState.revokeRuntimePermission(bp, userId); 15177 permissionsState.updatePermissionFlags(bp, userId, 15178 PackageManager.MASK_PERMISSION_FLAGS, 0); 15179 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 15180 runtimePermissionChangedUserIds, userId); 15181 } 15182 } 15183 } 15184 } 15185 15186 return runtimePermissionChangedUserIds; 15187 } 15188 15189 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 15190 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 15191 // Update the parent package setting 15192 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 15193 res, user); 15194 // Update the child packages setting 15195 final int childCount = (newPackage.childPackages != null) 15196 ? newPackage.childPackages.size() : 0; 15197 for (int i = 0; i < childCount; i++) { 15198 PackageParser.Package childPackage = newPackage.childPackages.get(i); 15199 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 15200 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 15201 childRes.origUsers, childRes, user); 15202 } 15203 } 15204 15205 private void updateSettingsInternalLI(PackageParser.Package newPackage, 15206 String installerPackageName, int[] allUsers, int[] installedForUsers, 15207 PackageInstalledInfo res, UserHandle user) { 15208 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 15209 15210 String pkgName = newPackage.packageName; 15211 synchronized (mPackages) { 15212 //write settings. the installStatus will be incomplete at this stage. 15213 //note that the new package setting would have already been 15214 //added to mPackages. It hasn't been persisted yet. 15215 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 15216 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15217 mSettings.writeLPr(); 15218 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15219 } 15220 15221 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 15222 synchronized (mPackages) { 15223 updatePermissionsLPw(newPackage.packageName, newPackage, 15224 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 15225 ? UPDATE_PERMISSIONS_ALL : 0)); 15226 // For system-bundled packages, we assume that installing an upgraded version 15227 // of the package implies that the user actually wants to run that new code, 15228 // so we enable the package. 15229 PackageSetting ps = mSettings.mPackages.get(pkgName); 15230 final int userId = user.getIdentifier(); 15231 if (ps != null) { 15232 if (isSystemApp(newPackage)) { 15233 if (DEBUG_INSTALL) { 15234 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 15235 } 15236 // Enable system package for requested users 15237 if (res.origUsers != null) { 15238 for (int origUserId : res.origUsers) { 15239 if (userId == UserHandle.USER_ALL || userId == origUserId) { 15240 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 15241 origUserId, installerPackageName); 15242 } 15243 } 15244 } 15245 // Also convey the prior install/uninstall state 15246 if (allUsers != null && installedForUsers != null) { 15247 for (int currentUserId : allUsers) { 15248 final boolean installed = ArrayUtils.contains( 15249 installedForUsers, currentUserId); 15250 if (DEBUG_INSTALL) { 15251 Slog.d(TAG, " user " + currentUserId + " => " + installed); 15252 } 15253 ps.setInstalled(installed, currentUserId); 15254 } 15255 // these install state changes will be persisted in the 15256 // upcoming call to mSettings.writeLPr(). 15257 } 15258 } 15259 // It's implied that when a user requests installation, they want the app to be 15260 // installed and enabled. 15261 if (userId != UserHandle.USER_ALL) { 15262 ps.setInstalled(true, userId); 15263 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 15264 } 15265 } 15266 res.name = pkgName; 15267 res.uid = newPackage.applicationInfo.uid; 15268 res.pkg = newPackage; 15269 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 15270 mSettings.setInstallerPackageName(pkgName, installerPackageName); 15271 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15272 //to update install status 15273 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15274 mSettings.writeLPr(); 15275 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15276 } 15277 15278 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15279 } 15280 15281 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 15282 try { 15283 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 15284 installPackageLI(args, res); 15285 } finally { 15286 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15287 } 15288 } 15289 15290 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 15291 final int installFlags = args.installFlags; 15292 final String installerPackageName = args.installerPackageName; 15293 final String volumeUuid = args.volumeUuid; 15294 final File tmpPackageFile = new File(args.getCodePath()); 15295 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 15296 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 15297 || (args.volumeUuid != null)); 15298 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 15299 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 15300 boolean replace = false; 15301 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 15302 if (args.move != null) { 15303 // moving a complete application; perform an initial scan on the new install location 15304 scanFlags |= SCAN_INITIAL; 15305 } 15306 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 15307 scanFlags |= SCAN_DONT_KILL_APP; 15308 } 15309 15310 // Result object to be returned 15311 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15312 15313 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 15314 15315 // Sanity check 15316 if (ephemeral && (forwardLocked || onExternal)) { 15317 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 15318 + " external=" + onExternal); 15319 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 15320 return; 15321 } 15322 15323 // Retrieve PackageSettings and parse package 15324 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 15325 | PackageParser.PARSE_ENFORCE_CODE 15326 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 15327 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 15328 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 15329 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 15330 PackageParser pp = new PackageParser(); 15331 pp.setSeparateProcesses(mSeparateProcesses); 15332 pp.setDisplayMetrics(mMetrics); 15333 15334 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 15335 final PackageParser.Package pkg; 15336 try { 15337 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 15338 } catch (PackageParserException e) { 15339 res.setError("Failed parse during installPackageLI", e); 15340 return; 15341 } finally { 15342 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15343 } 15344 15345 // If we are installing a clustered package add results for the children 15346 if (pkg.childPackages != null) { 15347 synchronized (mPackages) { 15348 final int childCount = pkg.childPackages.size(); 15349 for (int i = 0; i < childCount; i++) { 15350 PackageParser.Package childPkg = pkg.childPackages.get(i); 15351 PackageInstalledInfo childRes = new PackageInstalledInfo(); 15352 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15353 childRes.pkg = childPkg; 15354 childRes.name = childPkg.packageName; 15355 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15356 if (childPs != null) { 15357 childRes.origUsers = childPs.queryInstalledUsers( 15358 sUserManager.getUserIds(), true); 15359 } 15360 if ((mPackages.containsKey(childPkg.packageName))) { 15361 childRes.removedInfo = new PackageRemovedInfo(); 15362 childRes.removedInfo.removedPackage = childPkg.packageName; 15363 } 15364 if (res.addedChildPackages == null) { 15365 res.addedChildPackages = new ArrayMap<>(); 15366 } 15367 res.addedChildPackages.put(childPkg.packageName, childRes); 15368 } 15369 } 15370 } 15371 15372 // If package doesn't declare API override, mark that we have an install 15373 // time CPU ABI override. 15374 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 15375 pkg.cpuAbiOverride = args.abiOverride; 15376 } 15377 15378 String pkgName = res.name = pkg.packageName; 15379 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15380 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15381 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15382 return; 15383 } 15384 } 15385 15386 try { 15387 // either use what we've been given or parse directly from the APK 15388 if (args.certificates != null) { 15389 try { 15390 PackageParser.populateCertificates(pkg, args.certificates); 15391 } catch (PackageParserException e) { 15392 // there was something wrong with the certificates we were given; 15393 // try to pull them from the APK 15394 PackageParser.collectCertificates(pkg, parseFlags); 15395 } 15396 } else { 15397 PackageParser.collectCertificates(pkg, parseFlags); 15398 } 15399 } catch (PackageParserException e) { 15400 res.setError("Failed collect during installPackageLI", e); 15401 return; 15402 } 15403 15404 // Get rid of all references to package scan path via parser. 15405 pp = null; 15406 String oldCodePath = null; 15407 boolean systemApp = false; 15408 synchronized (mPackages) { 15409 // Check if installing already existing package 15410 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15411 String oldName = mSettings.getRenamedPackageLPr(pkgName); 15412 if (pkg.mOriginalPackages != null 15413 && pkg.mOriginalPackages.contains(oldName) 15414 && mPackages.containsKey(oldName)) { 15415 // This package is derived from an original package, 15416 // and this device has been updating from that original 15417 // name. We must continue using the original name, so 15418 // rename the new package here. 15419 pkg.setPackageName(oldName); 15420 pkgName = pkg.packageName; 15421 replace = true; 15422 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15423 + oldName + " pkgName=" + pkgName); 15424 } else if (mPackages.containsKey(pkgName)) { 15425 // This package, under its official name, already exists 15426 // on the device; we should replace it. 15427 replace = true; 15428 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15429 } 15430 15431 // Child packages are installed through the parent package 15432 if (pkg.parentPackage != null) { 15433 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15434 "Package " + pkg.packageName + " is child of package " 15435 + pkg.parentPackage.parentPackage + ". Child packages " 15436 + "can be updated only through the parent package."); 15437 return; 15438 } 15439 15440 if (replace) { 15441 // Prevent apps opting out from runtime permissions 15442 PackageParser.Package oldPackage = mPackages.get(pkgName); 15443 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15444 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15445 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15446 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15447 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15448 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15449 + " doesn't support runtime permissions but the old" 15450 + " target SDK " + oldTargetSdk + " does."); 15451 return; 15452 } 15453 15454 // Prevent installing of child packages 15455 if (oldPackage.parentPackage != null) { 15456 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15457 "Package " + pkg.packageName + " is child of package " 15458 + oldPackage.parentPackage + ". Child packages " 15459 + "can be updated only through the parent package."); 15460 return; 15461 } 15462 } 15463 } 15464 15465 PackageSetting ps = mSettings.mPackages.get(pkgName); 15466 if (ps != null) { 15467 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15468 15469 // Quick sanity check that we're signed correctly if updating; 15470 // we'll check this again later when scanning, but we want to 15471 // bail early here before tripping over redefined permissions. 15472 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15473 if (!checkUpgradeKeySetLP(ps, pkg)) { 15474 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15475 + pkg.packageName + " upgrade keys do not match the " 15476 + "previously installed version"); 15477 return; 15478 } 15479 } else { 15480 try { 15481 verifySignaturesLP(ps, pkg); 15482 } catch (PackageManagerException e) { 15483 res.setError(e.error, e.getMessage()); 15484 return; 15485 } 15486 } 15487 15488 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15489 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15490 systemApp = (ps.pkg.applicationInfo.flags & 15491 ApplicationInfo.FLAG_SYSTEM) != 0; 15492 } 15493 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15494 } 15495 15496 // Check whether the newly-scanned package wants to define an already-defined perm 15497 int N = pkg.permissions.size(); 15498 for (int i = N-1; i >= 0; i--) { 15499 PackageParser.Permission perm = pkg.permissions.get(i); 15500 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15501 if (bp != null) { 15502 // If the defining package is signed with our cert, it's okay. This 15503 // also includes the "updating the same package" case, of course. 15504 // "updating same package" could also involve key-rotation. 15505 final boolean sigsOk; 15506 if (bp.sourcePackage.equals(pkg.packageName) 15507 && (bp.packageSetting instanceof PackageSetting) 15508 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15509 scanFlags))) { 15510 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15511 } else { 15512 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15513 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15514 } 15515 if (!sigsOk) { 15516 // If the owning package is the system itself, we log but allow 15517 // install to proceed; we fail the install on all other permission 15518 // redefinitions. 15519 if (!bp.sourcePackage.equals("android")) { 15520 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15521 + pkg.packageName + " attempting to redeclare permission " 15522 + perm.info.name + " already owned by " + bp.sourcePackage); 15523 res.origPermission = perm.info.name; 15524 res.origPackage = bp.sourcePackage; 15525 return; 15526 } else { 15527 Slog.w(TAG, "Package " + pkg.packageName 15528 + " attempting to redeclare system permission " 15529 + perm.info.name + "; ignoring new declaration"); 15530 pkg.permissions.remove(i); 15531 } 15532 } 15533 } 15534 } 15535 } 15536 15537 if (systemApp) { 15538 if (onExternal) { 15539 // Abort update; system app can't be replaced with app on sdcard 15540 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15541 "Cannot install updates to system apps on sdcard"); 15542 return; 15543 } else if (ephemeral) { 15544 // Abort update; system app can't be replaced with an ephemeral app 15545 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15546 "Cannot update a system app with an ephemeral app"); 15547 return; 15548 } 15549 } 15550 15551 if (args.move != null) { 15552 // We did an in-place move, so dex is ready to roll 15553 scanFlags |= SCAN_NO_DEX; 15554 scanFlags |= SCAN_MOVE; 15555 15556 synchronized (mPackages) { 15557 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15558 if (ps == null) { 15559 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15560 "Missing settings for moved package " + pkgName); 15561 } 15562 15563 // We moved the entire application as-is, so bring over the 15564 // previously derived ABI information. 15565 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15566 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15567 } 15568 15569 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15570 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15571 scanFlags |= SCAN_NO_DEX; 15572 15573 try { 15574 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15575 args.abiOverride : pkg.cpuAbiOverride); 15576 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15577 true /*extractLibs*/, mAppLib32InstallDir); 15578 } catch (PackageManagerException pme) { 15579 Slog.e(TAG, "Error deriving application ABI", pme); 15580 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15581 return; 15582 } 15583 15584 // Shared libraries for the package need to be updated. 15585 synchronized (mPackages) { 15586 try { 15587 updateSharedLibrariesLPr(pkg, null); 15588 } catch (PackageManagerException e) { 15589 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15590 } 15591 } 15592 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15593 // Do not run PackageDexOptimizer through the local performDexOpt 15594 // method because `pkg` may not be in `mPackages` yet. 15595 // 15596 // Also, don't fail application installs if the dexopt step fails. 15597 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15598 null /* instructionSets */, false /* checkProfiles */, 15599 getCompilerFilterForReason(REASON_INSTALL), 15600 getOrCreateCompilerPackageStats(pkg)); 15601 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15602 15603 // Notify BackgroundDexOptService that the package has been changed. 15604 // If this is an update of a package which used to fail to compile, 15605 // BDOS will remove it from its blacklist. 15606 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15607 } 15608 15609 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15610 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15611 return; 15612 } 15613 15614 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15615 15616 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15617 "installPackageLI")) { 15618 if (replace) { 15619 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15620 installerPackageName, res); 15621 } else { 15622 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15623 args.user, installerPackageName, volumeUuid, res); 15624 } 15625 } 15626 synchronized (mPackages) { 15627 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15628 if (ps != null) { 15629 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15630 } 15631 15632 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15633 for (int i = 0; i < childCount; i++) { 15634 PackageParser.Package childPkg = pkg.childPackages.get(i); 15635 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15636 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15637 if (childPs != null) { 15638 childRes.newUsers = childPs.queryInstalledUsers( 15639 sUserManager.getUserIds(), true); 15640 } 15641 } 15642 } 15643 } 15644 15645 private void startIntentFilterVerifications(int userId, boolean replacing, 15646 PackageParser.Package pkg) { 15647 if (mIntentFilterVerifierComponent == null) { 15648 Slog.w(TAG, "No IntentFilter verification will not be done as " 15649 + "there is no IntentFilterVerifier available!"); 15650 return; 15651 } 15652 15653 final int verifierUid = getPackageUid( 15654 mIntentFilterVerifierComponent.getPackageName(), 15655 MATCH_DEBUG_TRIAGED_MISSING, 15656 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15657 15658 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15659 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15660 mHandler.sendMessage(msg); 15661 15662 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15663 for (int i = 0; i < childCount; i++) { 15664 PackageParser.Package childPkg = pkg.childPackages.get(i); 15665 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15666 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15667 mHandler.sendMessage(msg); 15668 } 15669 } 15670 15671 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15672 PackageParser.Package pkg) { 15673 int size = pkg.activities.size(); 15674 if (size == 0) { 15675 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15676 "No activity, so no need to verify any IntentFilter!"); 15677 return; 15678 } 15679 15680 final boolean hasDomainURLs = hasDomainURLs(pkg); 15681 if (!hasDomainURLs) { 15682 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15683 "No domain URLs, so no need to verify any IntentFilter!"); 15684 return; 15685 } 15686 15687 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15688 + " if any IntentFilter from the " + size 15689 + " Activities needs verification ..."); 15690 15691 int count = 0; 15692 final String packageName = pkg.packageName; 15693 15694 synchronized (mPackages) { 15695 // If this is a new install and we see that we've already run verification for this 15696 // package, we have nothing to do: it means the state was restored from backup. 15697 if (!replacing) { 15698 IntentFilterVerificationInfo ivi = 15699 mSettings.getIntentFilterVerificationLPr(packageName); 15700 if (ivi != null) { 15701 if (DEBUG_DOMAIN_VERIFICATION) { 15702 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15703 + ivi.getStatusString()); 15704 } 15705 return; 15706 } 15707 } 15708 15709 // If any filters need to be verified, then all need to be. 15710 boolean needToVerify = false; 15711 for (PackageParser.Activity a : pkg.activities) { 15712 for (ActivityIntentInfo filter : a.intents) { 15713 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15714 if (DEBUG_DOMAIN_VERIFICATION) { 15715 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15716 } 15717 needToVerify = true; 15718 break; 15719 } 15720 } 15721 } 15722 15723 if (needToVerify) { 15724 final int verificationId = mIntentFilterVerificationToken++; 15725 for (PackageParser.Activity a : pkg.activities) { 15726 for (ActivityIntentInfo filter : a.intents) { 15727 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15728 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15729 "Verification needed for IntentFilter:" + filter.toString()); 15730 mIntentFilterVerifier.addOneIntentFilterVerification( 15731 verifierUid, userId, verificationId, filter, packageName); 15732 count++; 15733 } 15734 } 15735 } 15736 } 15737 } 15738 15739 if (count > 0) { 15740 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15741 + " IntentFilter verification" + (count > 1 ? "s" : "") 15742 + " for userId:" + userId); 15743 mIntentFilterVerifier.startVerifications(userId); 15744 } else { 15745 if (DEBUG_DOMAIN_VERIFICATION) { 15746 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15747 } 15748 } 15749 } 15750 15751 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15752 final ComponentName cn = filter.activity.getComponentName(); 15753 final String packageName = cn.getPackageName(); 15754 15755 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15756 packageName); 15757 if (ivi == null) { 15758 return true; 15759 } 15760 int status = ivi.getStatus(); 15761 switch (status) { 15762 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15763 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15764 return true; 15765 15766 default: 15767 // Nothing to do 15768 return false; 15769 } 15770 } 15771 15772 private static boolean isMultiArch(ApplicationInfo info) { 15773 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15774 } 15775 15776 private static boolean isExternal(PackageParser.Package pkg) { 15777 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15778 } 15779 15780 private static boolean isExternal(PackageSetting ps) { 15781 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15782 } 15783 15784 private static boolean isEphemeral(PackageParser.Package pkg) { 15785 return pkg.applicationInfo.isEphemeralApp(); 15786 } 15787 15788 private static boolean isEphemeral(PackageSetting ps) { 15789 return ps.pkg != null && isEphemeral(ps.pkg); 15790 } 15791 15792 private static boolean isSystemApp(PackageParser.Package pkg) { 15793 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15794 } 15795 15796 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15797 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15798 } 15799 15800 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15801 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15802 } 15803 15804 private static boolean isSystemApp(PackageSetting ps) { 15805 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15806 } 15807 15808 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15809 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15810 } 15811 15812 private int packageFlagsToInstallFlags(PackageSetting ps) { 15813 int installFlags = 0; 15814 if (isEphemeral(ps)) { 15815 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15816 } 15817 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15818 // This existing package was an external ASEC install when we have 15819 // the external flag without a UUID 15820 installFlags |= PackageManager.INSTALL_EXTERNAL; 15821 } 15822 if (ps.isForwardLocked()) { 15823 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15824 } 15825 return installFlags; 15826 } 15827 15828 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15829 if (isExternal(pkg)) { 15830 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15831 return StorageManager.UUID_PRIMARY_PHYSICAL; 15832 } else { 15833 return pkg.volumeUuid; 15834 } 15835 } else { 15836 return StorageManager.UUID_PRIVATE_INTERNAL; 15837 } 15838 } 15839 15840 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15841 if (isExternal(pkg)) { 15842 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15843 return mSettings.getExternalVersion(); 15844 } else { 15845 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15846 } 15847 } else { 15848 return mSettings.getInternalVersion(); 15849 } 15850 } 15851 15852 private void deleteTempPackageFiles() { 15853 final FilenameFilter filter = new FilenameFilter() { 15854 public boolean accept(File dir, String name) { 15855 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15856 } 15857 }; 15858 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15859 file.delete(); 15860 } 15861 } 15862 15863 @Override 15864 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15865 int flags) { 15866 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15867 flags); 15868 } 15869 15870 @Override 15871 public void deletePackage(final String packageName, 15872 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15873 mContext.enforceCallingOrSelfPermission( 15874 android.Manifest.permission.DELETE_PACKAGES, null); 15875 Preconditions.checkNotNull(packageName); 15876 Preconditions.checkNotNull(observer); 15877 final int uid = Binder.getCallingUid(); 15878 if (!isOrphaned(packageName) 15879 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 15880 try { 15881 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 15882 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 15883 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 15884 observer.onUserActionRequired(intent); 15885 } catch (RemoteException re) { 15886 } 15887 return; 15888 } 15889 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15890 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15891 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15892 mContext.enforceCallingOrSelfPermission( 15893 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15894 "deletePackage for user " + userId); 15895 } 15896 15897 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15898 try { 15899 observer.onPackageDeleted(packageName, 15900 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15901 } catch (RemoteException re) { 15902 } 15903 return; 15904 } 15905 15906 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15907 try { 15908 observer.onPackageDeleted(packageName, 15909 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15910 } catch (RemoteException re) { 15911 } 15912 return; 15913 } 15914 15915 if (DEBUG_REMOVE) { 15916 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15917 + " deleteAllUsers: " + deleteAllUsers ); 15918 } 15919 // Queue up an async operation since the package deletion may take a little while. 15920 mHandler.post(new Runnable() { 15921 public void run() { 15922 mHandler.removeCallbacks(this); 15923 int returnCode; 15924 if (!deleteAllUsers) { 15925 returnCode = deletePackageX(packageName, userId, deleteFlags); 15926 } else { 15927 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15928 // If nobody is blocking uninstall, proceed with delete for all users 15929 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15930 returnCode = deletePackageX(packageName, userId, deleteFlags); 15931 } else { 15932 // Otherwise uninstall individually for users with blockUninstalls=false 15933 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15934 for (int userId : users) { 15935 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15936 returnCode = deletePackageX(packageName, userId, userFlags); 15937 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15938 Slog.w(TAG, "Package delete failed for user " + userId 15939 + ", returnCode " + returnCode); 15940 } 15941 } 15942 } 15943 // The app has only been marked uninstalled for certain users. 15944 // We still need to report that delete was blocked 15945 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15946 } 15947 } 15948 try { 15949 observer.onPackageDeleted(packageName, returnCode, null); 15950 } catch (RemoteException e) { 15951 Log.i(TAG, "Observer no longer exists."); 15952 } //end catch 15953 } //end run 15954 }); 15955 } 15956 15957 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 15958 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 15959 || callingUid == Process.SYSTEM_UID) { 15960 return true; 15961 } 15962 final int callingUserId = UserHandle.getUserId(callingUid); 15963 // If the caller installed the pkgName, then allow it to silently uninstall. 15964 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 15965 return true; 15966 } 15967 15968 // Allow package verifier to silently uninstall. 15969 if (mRequiredVerifierPackage != null && 15970 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 15971 return true; 15972 } 15973 15974 // Allow package uninstaller to silently uninstall. 15975 if (mRequiredUninstallerPackage != null && 15976 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 15977 return true; 15978 } 15979 15980 // Allow storage manager to silently uninstall. 15981 if (mStorageManagerPackage != null && 15982 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 15983 return true; 15984 } 15985 return false; 15986 } 15987 15988 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15989 int[] result = EMPTY_INT_ARRAY; 15990 for (int userId : userIds) { 15991 if (getBlockUninstallForUser(packageName, userId)) { 15992 result = ArrayUtils.appendInt(result, userId); 15993 } 15994 } 15995 return result; 15996 } 15997 15998 @Override 15999 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 16000 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 16001 } 16002 16003 private boolean isPackageDeviceAdmin(String packageName, int userId) { 16004 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 16005 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 16006 try { 16007 if (dpm != null) { 16008 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 16009 /* callingUserOnly =*/ false); 16010 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 16011 : deviceOwnerComponentName.getPackageName(); 16012 // Does the package contains the device owner? 16013 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 16014 // this check is probably not needed, since DO should be registered as a device 16015 // admin on some user too. (Original bug for this: b/17657954) 16016 if (packageName.equals(deviceOwnerPackageName)) { 16017 return true; 16018 } 16019 // Does it contain a device admin for any user? 16020 int[] users; 16021 if (userId == UserHandle.USER_ALL) { 16022 users = sUserManager.getUserIds(); 16023 } else { 16024 users = new int[]{userId}; 16025 } 16026 for (int i = 0; i < users.length; ++i) { 16027 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 16028 return true; 16029 } 16030 } 16031 } 16032 } catch (RemoteException e) { 16033 } 16034 return false; 16035 } 16036 16037 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 16038 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 16039 } 16040 16041 /** 16042 * This method is an internal method that could be get invoked either 16043 * to delete an installed package or to clean up a failed installation. 16044 * After deleting an installed package, a broadcast is sent to notify any 16045 * listeners that the package has been removed. For cleaning up a failed 16046 * installation, the broadcast is not necessary since the package's 16047 * installation wouldn't have sent the initial broadcast either 16048 * The key steps in deleting a package are 16049 * deleting the package information in internal structures like mPackages, 16050 * deleting the packages base directories through installd 16051 * updating mSettings to reflect current status 16052 * persisting settings for later use 16053 * sending a broadcast if necessary 16054 */ 16055 private int deletePackageX(String packageName, int userId, int deleteFlags) { 16056 final PackageRemovedInfo info = new PackageRemovedInfo(); 16057 final boolean res; 16058 16059 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 16060 ? UserHandle.USER_ALL : userId; 16061 16062 if (isPackageDeviceAdmin(packageName, removeUser)) { 16063 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 16064 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 16065 } 16066 16067 PackageSetting uninstalledPs = null; 16068 16069 // for the uninstall-updates case and restricted profiles, remember the per- 16070 // user handle installed state 16071 int[] allUsers; 16072 synchronized (mPackages) { 16073 uninstalledPs = mSettings.mPackages.get(packageName); 16074 if (uninstalledPs == null) { 16075 Slog.w(TAG, "Not removing non-existent package " + packageName); 16076 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 16077 } 16078 allUsers = sUserManager.getUserIds(); 16079 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 16080 } 16081 16082 final int freezeUser; 16083 if (isUpdatedSystemApp(uninstalledPs) 16084 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 16085 // We're downgrading a system app, which will apply to all users, so 16086 // freeze them all during the downgrade 16087 freezeUser = UserHandle.USER_ALL; 16088 } else { 16089 freezeUser = removeUser; 16090 } 16091 16092 synchronized (mInstallLock) { 16093 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 16094 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 16095 deleteFlags, "deletePackageX")) { 16096 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 16097 deleteFlags | REMOVE_CHATTY, info, true, null); 16098 } 16099 synchronized (mPackages) { 16100 if (res) { 16101 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 16102 } 16103 } 16104 } 16105 16106 if (res) { 16107 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 16108 info.sendPackageRemovedBroadcasts(killApp); 16109 info.sendSystemPackageUpdatedBroadcasts(); 16110 info.sendSystemPackageAppearedBroadcasts(); 16111 } 16112 // Force a gc here. 16113 Runtime.getRuntime().gc(); 16114 // Delete the resources here after sending the broadcast to let 16115 // other processes clean up before deleting resources. 16116 if (info.args != null) { 16117 synchronized (mInstallLock) { 16118 info.args.doPostDeleteLI(true); 16119 } 16120 } 16121 16122 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 16123 } 16124 16125 class PackageRemovedInfo { 16126 String removedPackage; 16127 int uid = -1; 16128 int removedAppId = -1; 16129 int[] origUsers; 16130 int[] removedUsers = null; 16131 boolean isRemovedPackageSystemUpdate = false; 16132 boolean isUpdate; 16133 boolean dataRemoved; 16134 boolean removedForAllUsers; 16135 // Clean up resources deleted packages. 16136 InstallArgs args = null; 16137 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 16138 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 16139 16140 void sendPackageRemovedBroadcasts(boolean killApp) { 16141 sendPackageRemovedBroadcastInternal(killApp); 16142 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 16143 for (int i = 0; i < childCount; i++) { 16144 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 16145 childInfo.sendPackageRemovedBroadcastInternal(killApp); 16146 } 16147 } 16148 16149 void sendSystemPackageUpdatedBroadcasts() { 16150 if (isRemovedPackageSystemUpdate) { 16151 sendSystemPackageUpdatedBroadcastsInternal(); 16152 final int childCount = (removedChildPackages != null) 16153 ? removedChildPackages.size() : 0; 16154 for (int i = 0; i < childCount; i++) { 16155 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 16156 if (childInfo.isRemovedPackageSystemUpdate) { 16157 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 16158 } 16159 } 16160 } 16161 } 16162 16163 void sendSystemPackageAppearedBroadcasts() { 16164 final int packageCount = (appearedChildPackages != null) 16165 ? appearedChildPackages.size() : 0; 16166 for (int i = 0; i < packageCount; i++) { 16167 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 16168 sendPackageAddedForNewUsers(installedInfo.name, true, 16169 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 16170 } 16171 } 16172 16173 private void sendSystemPackageUpdatedBroadcastsInternal() { 16174 Bundle extras = new Bundle(2); 16175 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 16176 extras.putBoolean(Intent.EXTRA_REPLACING, true); 16177 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 16178 extras, 0, null, null, null); 16179 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 16180 extras, 0, null, null, null); 16181 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 16182 null, 0, removedPackage, null, null); 16183 } 16184 16185 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 16186 Bundle extras = new Bundle(2); 16187 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 16188 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 16189 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 16190 if (isUpdate || isRemovedPackageSystemUpdate) { 16191 extras.putBoolean(Intent.EXTRA_REPLACING, true); 16192 } 16193 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 16194 if (removedPackage != null) { 16195 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 16196 extras, 0, null, null, removedUsers); 16197 if (dataRemoved && !isRemovedPackageSystemUpdate) { 16198 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 16199 removedPackage, extras, 0, null, null, removedUsers); 16200 } 16201 } 16202 if (removedAppId >= 0) { 16203 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 16204 removedUsers); 16205 } 16206 } 16207 } 16208 16209 /* 16210 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 16211 * flag is not set, the data directory is removed as well. 16212 * make sure this flag is set for partially installed apps. If not its meaningless to 16213 * delete a partially installed application. 16214 */ 16215 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 16216 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 16217 String packageName = ps.name; 16218 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 16219 // Retrieve object to delete permissions for shared user later on 16220 final PackageParser.Package deletedPkg; 16221 final PackageSetting deletedPs; 16222 // reader 16223 synchronized (mPackages) { 16224 deletedPkg = mPackages.get(packageName); 16225 deletedPs = mSettings.mPackages.get(packageName); 16226 if (outInfo != null) { 16227 outInfo.removedPackage = packageName; 16228 outInfo.removedUsers = deletedPs != null 16229 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 16230 : null; 16231 } 16232 } 16233 16234 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 16235 16236 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 16237 final PackageParser.Package resolvedPkg; 16238 if (deletedPkg != null) { 16239 resolvedPkg = deletedPkg; 16240 } else { 16241 // We don't have a parsed package when it lives on an ejected 16242 // adopted storage device, so fake something together 16243 resolvedPkg = new PackageParser.Package(ps.name); 16244 resolvedPkg.setVolumeUuid(ps.volumeUuid); 16245 } 16246 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 16247 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16248 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 16249 if (outInfo != null) { 16250 outInfo.dataRemoved = true; 16251 } 16252 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 16253 } 16254 16255 // writer 16256 synchronized (mPackages) { 16257 if (deletedPs != null) { 16258 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 16259 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 16260 clearDefaultBrowserIfNeeded(packageName); 16261 if (outInfo != null) { 16262 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 16263 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 16264 } 16265 updatePermissionsLPw(deletedPs.name, null, 0); 16266 if (deletedPs.sharedUser != null) { 16267 // Remove permissions associated with package. Since runtime 16268 // permissions are per user we have to kill the removed package 16269 // or packages running under the shared user of the removed 16270 // package if revoking the permissions requested only by the removed 16271 // package is successful and this causes a change in gids. 16272 for (int userId : UserManagerService.getInstance().getUserIds()) { 16273 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 16274 userId); 16275 if (userIdToKill == UserHandle.USER_ALL 16276 || userIdToKill >= UserHandle.USER_SYSTEM) { 16277 // If gids changed for this user, kill all affected packages. 16278 mHandler.post(new Runnable() { 16279 @Override 16280 public void run() { 16281 // This has to happen with no lock held. 16282 killApplication(deletedPs.name, deletedPs.appId, 16283 KILL_APP_REASON_GIDS_CHANGED); 16284 } 16285 }); 16286 break; 16287 } 16288 } 16289 } 16290 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 16291 } 16292 // make sure to preserve per-user disabled state if this removal was just 16293 // a downgrade of a system app to the factory package 16294 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 16295 if (DEBUG_REMOVE) { 16296 Slog.d(TAG, "Propagating install state across downgrade"); 16297 } 16298 for (int userId : allUserHandles) { 16299 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16300 if (DEBUG_REMOVE) { 16301 Slog.d(TAG, " user " + userId + " => " + installed); 16302 } 16303 ps.setInstalled(installed, userId); 16304 } 16305 } 16306 } 16307 // can downgrade to reader 16308 if (writeSettings) { 16309 // Save settings now 16310 mSettings.writeLPr(); 16311 } 16312 } 16313 if (outInfo != null) { 16314 // A user ID was deleted here. Go through all users and remove it 16315 // from KeyStore. 16316 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 16317 } 16318 } 16319 16320 static boolean locationIsPrivileged(File path) { 16321 try { 16322 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 16323 .getCanonicalPath(); 16324 return path.getCanonicalPath().startsWith(privilegedAppDir); 16325 } catch (IOException e) { 16326 Slog.e(TAG, "Unable to access code path " + path); 16327 } 16328 return false; 16329 } 16330 16331 /* 16332 * Tries to delete system package. 16333 */ 16334 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 16335 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 16336 boolean writeSettings) { 16337 if (deletedPs.parentPackageName != null) { 16338 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 16339 return false; 16340 } 16341 16342 final boolean applyUserRestrictions 16343 = (allUserHandles != null) && (outInfo.origUsers != null); 16344 final PackageSetting disabledPs; 16345 // Confirm if the system package has been updated 16346 // An updated system app can be deleted. This will also have to restore 16347 // the system pkg from system partition 16348 // reader 16349 synchronized (mPackages) { 16350 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 16351 } 16352 16353 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 16354 + " disabledPs=" + disabledPs); 16355 16356 if (disabledPs == null) { 16357 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 16358 return false; 16359 } else if (DEBUG_REMOVE) { 16360 Slog.d(TAG, "Deleting system pkg from data partition"); 16361 } 16362 16363 if (DEBUG_REMOVE) { 16364 if (applyUserRestrictions) { 16365 Slog.d(TAG, "Remembering install states:"); 16366 for (int userId : allUserHandles) { 16367 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 16368 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 16369 } 16370 } 16371 } 16372 16373 // Delete the updated package 16374 outInfo.isRemovedPackageSystemUpdate = true; 16375 if (outInfo.removedChildPackages != null) { 16376 final int childCount = (deletedPs.childPackageNames != null) 16377 ? deletedPs.childPackageNames.size() : 0; 16378 for (int i = 0; i < childCount; i++) { 16379 String childPackageName = deletedPs.childPackageNames.get(i); 16380 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 16381 .contains(childPackageName)) { 16382 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16383 childPackageName); 16384 if (childInfo != null) { 16385 childInfo.isRemovedPackageSystemUpdate = true; 16386 } 16387 } 16388 } 16389 } 16390 16391 if (disabledPs.versionCode < deletedPs.versionCode) { 16392 // Delete data for downgrades 16393 flags &= ~PackageManager.DELETE_KEEP_DATA; 16394 } else { 16395 // Preserve data by setting flag 16396 flags |= PackageManager.DELETE_KEEP_DATA; 16397 } 16398 16399 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 16400 outInfo, writeSettings, disabledPs.pkg); 16401 if (!ret) { 16402 return false; 16403 } 16404 16405 // writer 16406 synchronized (mPackages) { 16407 // Reinstate the old system package 16408 enableSystemPackageLPw(disabledPs.pkg); 16409 // Remove any native libraries from the upgraded package. 16410 removeNativeBinariesLI(deletedPs); 16411 } 16412 16413 // Install the system package 16414 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 16415 int parseFlags = mDefParseFlags 16416 | PackageParser.PARSE_MUST_BE_APK 16417 | PackageParser.PARSE_IS_SYSTEM 16418 | PackageParser.PARSE_IS_SYSTEM_DIR; 16419 if (locationIsPrivileged(disabledPs.codePath)) { 16420 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16421 } 16422 16423 final PackageParser.Package newPkg; 16424 try { 16425 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 16426 0 /* currentTime */, null); 16427 } catch (PackageManagerException e) { 16428 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16429 + e.getMessage()); 16430 return false; 16431 } 16432 try { 16433 // update shared libraries for the newly re-installed system package 16434 updateSharedLibrariesLPr(newPkg, null); 16435 } catch (PackageManagerException e) { 16436 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16437 } 16438 16439 prepareAppDataAfterInstallLIF(newPkg); 16440 16441 // writer 16442 synchronized (mPackages) { 16443 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16444 16445 // Propagate the permissions state as we do not want to drop on the floor 16446 // runtime permissions. The update permissions method below will take 16447 // care of removing obsolete permissions and grant install permissions. 16448 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16449 updatePermissionsLPw(newPkg.packageName, newPkg, 16450 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16451 16452 if (applyUserRestrictions) { 16453 if (DEBUG_REMOVE) { 16454 Slog.d(TAG, "Propagating install state across reinstall"); 16455 } 16456 for (int userId : allUserHandles) { 16457 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16458 if (DEBUG_REMOVE) { 16459 Slog.d(TAG, " user " + userId + " => " + installed); 16460 } 16461 ps.setInstalled(installed, userId); 16462 16463 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16464 } 16465 // Regardless of writeSettings we need to ensure that this restriction 16466 // state propagation is persisted 16467 mSettings.writeAllUsersPackageRestrictionsLPr(); 16468 } 16469 // can downgrade to reader here 16470 if (writeSettings) { 16471 mSettings.writeLPr(); 16472 } 16473 } 16474 return true; 16475 } 16476 16477 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16478 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16479 PackageRemovedInfo outInfo, boolean writeSettings, 16480 PackageParser.Package replacingPackage) { 16481 synchronized (mPackages) { 16482 if (outInfo != null) { 16483 outInfo.uid = ps.appId; 16484 } 16485 16486 if (outInfo != null && outInfo.removedChildPackages != null) { 16487 final int childCount = (ps.childPackageNames != null) 16488 ? ps.childPackageNames.size() : 0; 16489 for (int i = 0; i < childCount; i++) { 16490 String childPackageName = ps.childPackageNames.get(i); 16491 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16492 if (childPs == null) { 16493 return false; 16494 } 16495 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16496 childPackageName); 16497 if (childInfo != null) { 16498 childInfo.uid = childPs.appId; 16499 } 16500 } 16501 } 16502 } 16503 16504 // Delete package data from internal structures and also remove data if flag is set 16505 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16506 16507 // Delete the child packages data 16508 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16509 for (int i = 0; i < childCount; i++) { 16510 PackageSetting childPs; 16511 synchronized (mPackages) { 16512 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16513 } 16514 if (childPs != null) { 16515 PackageRemovedInfo childOutInfo = (outInfo != null 16516 && outInfo.removedChildPackages != null) 16517 ? outInfo.removedChildPackages.get(childPs.name) : null; 16518 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16519 && (replacingPackage != null 16520 && !replacingPackage.hasChildPackage(childPs.name)) 16521 ? flags & ~DELETE_KEEP_DATA : flags; 16522 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16523 deleteFlags, writeSettings); 16524 } 16525 } 16526 16527 // Delete application code and resources only for parent packages 16528 if (ps.parentPackageName == null) { 16529 if (deleteCodeAndResources && (outInfo != null)) { 16530 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16531 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16532 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16533 } 16534 } 16535 16536 return true; 16537 } 16538 16539 @Override 16540 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16541 int userId) { 16542 mContext.enforceCallingOrSelfPermission( 16543 android.Manifest.permission.DELETE_PACKAGES, null); 16544 synchronized (mPackages) { 16545 PackageSetting ps = mSettings.mPackages.get(packageName); 16546 if (ps == null) { 16547 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16548 return false; 16549 } 16550 if (!ps.getInstalled(userId)) { 16551 // Can't block uninstall for an app that is not installed or enabled. 16552 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16553 return false; 16554 } 16555 ps.setBlockUninstall(blockUninstall, userId); 16556 mSettings.writePackageRestrictionsLPr(userId); 16557 } 16558 return true; 16559 } 16560 16561 @Override 16562 public boolean getBlockUninstallForUser(String packageName, int userId) { 16563 synchronized (mPackages) { 16564 PackageSetting ps = mSettings.mPackages.get(packageName); 16565 if (ps == null) { 16566 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16567 return false; 16568 } 16569 return ps.getBlockUninstall(userId); 16570 } 16571 } 16572 16573 @Override 16574 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16575 int callingUid = Binder.getCallingUid(); 16576 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16577 throw new SecurityException( 16578 "setRequiredForSystemUser can only be run by the system or root"); 16579 } 16580 synchronized (mPackages) { 16581 PackageSetting ps = mSettings.mPackages.get(packageName); 16582 if (ps == null) { 16583 Log.w(TAG, "Package doesn't exist: " + packageName); 16584 return false; 16585 } 16586 if (systemUserApp) { 16587 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16588 } else { 16589 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16590 } 16591 mSettings.writeLPr(); 16592 } 16593 return true; 16594 } 16595 16596 /* 16597 * This method handles package deletion in general 16598 */ 16599 private boolean deletePackageLIF(String packageName, UserHandle user, 16600 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16601 PackageRemovedInfo outInfo, boolean writeSettings, 16602 PackageParser.Package replacingPackage) { 16603 if (packageName == null) { 16604 Slog.w(TAG, "Attempt to delete null packageName."); 16605 return false; 16606 } 16607 16608 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16609 16610 PackageSetting ps; 16611 16612 synchronized (mPackages) { 16613 ps = mSettings.mPackages.get(packageName); 16614 if (ps == null) { 16615 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16616 return false; 16617 } 16618 16619 if (ps.parentPackageName != null && (!isSystemApp(ps) 16620 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16621 if (DEBUG_REMOVE) { 16622 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16623 + ((user == null) ? UserHandle.USER_ALL : user)); 16624 } 16625 final int removedUserId = (user != null) ? user.getIdentifier() 16626 : UserHandle.USER_ALL; 16627 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16628 return false; 16629 } 16630 markPackageUninstalledForUserLPw(ps, user); 16631 scheduleWritePackageRestrictionsLocked(user); 16632 return true; 16633 } 16634 } 16635 16636 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16637 && user.getIdentifier() != UserHandle.USER_ALL)) { 16638 // The caller is asking that the package only be deleted for a single 16639 // user. To do this, we just mark its uninstalled state and delete 16640 // its data. If this is a system app, we only allow this to happen if 16641 // they have set the special DELETE_SYSTEM_APP which requests different 16642 // semantics than normal for uninstalling system apps. 16643 markPackageUninstalledForUserLPw(ps, user); 16644 16645 if (!isSystemApp(ps)) { 16646 // Do not uninstall the APK if an app should be cached 16647 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16648 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16649 // Other user still have this package installed, so all 16650 // we need to do is clear this user's data and save that 16651 // it is uninstalled. 16652 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16653 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16654 return false; 16655 } 16656 scheduleWritePackageRestrictionsLocked(user); 16657 return true; 16658 } else { 16659 // We need to set it back to 'installed' so the uninstall 16660 // broadcasts will be sent correctly. 16661 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16662 ps.setInstalled(true, user.getIdentifier()); 16663 } 16664 } else { 16665 // This is a system app, so we assume that the 16666 // other users still have this package installed, so all 16667 // we need to do is clear this user's data and save that 16668 // it is uninstalled. 16669 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16670 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16671 return false; 16672 } 16673 scheduleWritePackageRestrictionsLocked(user); 16674 return true; 16675 } 16676 } 16677 16678 // If we are deleting a composite package for all users, keep track 16679 // of result for each child. 16680 if (ps.childPackageNames != null && outInfo != null) { 16681 synchronized (mPackages) { 16682 final int childCount = ps.childPackageNames.size(); 16683 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16684 for (int i = 0; i < childCount; i++) { 16685 String childPackageName = ps.childPackageNames.get(i); 16686 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16687 childInfo.removedPackage = childPackageName; 16688 outInfo.removedChildPackages.put(childPackageName, childInfo); 16689 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 16690 if (childPs != null) { 16691 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16692 } 16693 } 16694 } 16695 } 16696 16697 boolean ret = false; 16698 if (isSystemApp(ps)) { 16699 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16700 // When an updated system application is deleted we delete the existing resources 16701 // as well and fall back to existing code in system partition 16702 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16703 } else { 16704 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16705 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16706 outInfo, writeSettings, replacingPackage); 16707 } 16708 16709 // Take a note whether we deleted the package for all users 16710 if (outInfo != null) { 16711 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16712 if (outInfo.removedChildPackages != null) { 16713 synchronized (mPackages) { 16714 final int childCount = outInfo.removedChildPackages.size(); 16715 for (int i = 0; i < childCount; i++) { 16716 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16717 if (childInfo != null) { 16718 childInfo.removedForAllUsers = mPackages.get( 16719 childInfo.removedPackage) == null; 16720 } 16721 } 16722 } 16723 } 16724 // If we uninstalled an update to a system app there may be some 16725 // child packages that appeared as they are declared in the system 16726 // app but were not declared in the update. 16727 if (isSystemApp(ps)) { 16728 synchronized (mPackages) { 16729 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 16730 final int childCount = (updatedPs.childPackageNames != null) 16731 ? updatedPs.childPackageNames.size() : 0; 16732 for (int i = 0; i < childCount; i++) { 16733 String childPackageName = updatedPs.childPackageNames.get(i); 16734 if (outInfo.removedChildPackages == null 16735 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16736 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 16737 if (childPs == null) { 16738 continue; 16739 } 16740 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16741 installRes.name = childPackageName; 16742 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16743 installRes.pkg = mPackages.get(childPackageName); 16744 installRes.uid = childPs.pkg.applicationInfo.uid; 16745 if (outInfo.appearedChildPackages == null) { 16746 outInfo.appearedChildPackages = new ArrayMap<>(); 16747 } 16748 outInfo.appearedChildPackages.put(childPackageName, installRes); 16749 } 16750 } 16751 } 16752 } 16753 } 16754 16755 return ret; 16756 } 16757 16758 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16759 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16760 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16761 for (int nextUserId : userIds) { 16762 if (DEBUG_REMOVE) { 16763 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16764 } 16765 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16766 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16767 false /*hidden*/, false /*suspended*/, null, null, null, 16768 false /*blockUninstall*/, 16769 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16770 } 16771 } 16772 16773 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16774 PackageRemovedInfo outInfo) { 16775 final PackageParser.Package pkg; 16776 synchronized (mPackages) { 16777 pkg = mPackages.get(ps.name); 16778 } 16779 16780 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16781 : new int[] {userId}; 16782 for (int nextUserId : userIds) { 16783 if (DEBUG_REMOVE) { 16784 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16785 + nextUserId); 16786 } 16787 16788 destroyAppDataLIF(pkg, userId, 16789 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16790 destroyAppProfilesLIF(pkg, userId); 16791 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16792 schedulePackageCleaning(ps.name, nextUserId, false); 16793 synchronized (mPackages) { 16794 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16795 scheduleWritePackageRestrictionsLocked(nextUserId); 16796 } 16797 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16798 } 16799 } 16800 16801 if (outInfo != null) { 16802 outInfo.removedPackage = ps.name; 16803 outInfo.removedAppId = ps.appId; 16804 outInfo.removedUsers = userIds; 16805 } 16806 16807 return true; 16808 } 16809 16810 private final class ClearStorageConnection implements ServiceConnection { 16811 IMediaContainerService mContainerService; 16812 16813 @Override 16814 public void onServiceConnected(ComponentName name, IBinder service) { 16815 synchronized (this) { 16816 mContainerService = IMediaContainerService.Stub 16817 .asInterface(Binder.allowBlocking(service)); 16818 notifyAll(); 16819 } 16820 } 16821 16822 @Override 16823 public void onServiceDisconnected(ComponentName name) { 16824 } 16825 } 16826 16827 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16828 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16829 16830 final boolean mounted; 16831 if (Environment.isExternalStorageEmulated()) { 16832 mounted = true; 16833 } else { 16834 final String status = Environment.getExternalStorageState(); 16835 16836 mounted = status.equals(Environment.MEDIA_MOUNTED) 16837 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16838 } 16839 16840 if (!mounted) { 16841 return; 16842 } 16843 16844 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16845 int[] users; 16846 if (userId == UserHandle.USER_ALL) { 16847 users = sUserManager.getUserIds(); 16848 } else { 16849 users = new int[] { userId }; 16850 } 16851 final ClearStorageConnection conn = new ClearStorageConnection(); 16852 if (mContext.bindServiceAsUser( 16853 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16854 try { 16855 for (int curUser : users) { 16856 long timeout = SystemClock.uptimeMillis() + 5000; 16857 synchronized (conn) { 16858 long now; 16859 while (conn.mContainerService == null && 16860 (now = SystemClock.uptimeMillis()) < timeout) { 16861 try { 16862 conn.wait(timeout - now); 16863 } catch (InterruptedException e) { 16864 } 16865 } 16866 } 16867 if (conn.mContainerService == null) { 16868 return; 16869 } 16870 16871 final UserEnvironment userEnv = new UserEnvironment(curUser); 16872 clearDirectory(conn.mContainerService, 16873 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16874 if (allData) { 16875 clearDirectory(conn.mContainerService, 16876 userEnv.buildExternalStorageAppDataDirs(packageName)); 16877 clearDirectory(conn.mContainerService, 16878 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16879 } 16880 } 16881 } finally { 16882 mContext.unbindService(conn); 16883 } 16884 } 16885 } 16886 16887 @Override 16888 public void clearApplicationProfileData(String packageName) { 16889 enforceSystemOrRoot("Only the system can clear all profile data"); 16890 16891 final PackageParser.Package pkg; 16892 synchronized (mPackages) { 16893 pkg = mPackages.get(packageName); 16894 } 16895 16896 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16897 synchronized (mInstallLock) { 16898 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16899 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16900 true /* removeBaseMarker */); 16901 } 16902 } 16903 } 16904 16905 @Override 16906 public void clearApplicationUserData(final String packageName, 16907 final IPackageDataObserver observer, final int userId) { 16908 mContext.enforceCallingOrSelfPermission( 16909 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16910 16911 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16912 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16913 16914 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16915 throw new SecurityException("Cannot clear data for a protected package: " 16916 + packageName); 16917 } 16918 // Queue up an async operation since the package deletion may take a little while. 16919 mHandler.post(new Runnable() { 16920 public void run() { 16921 mHandler.removeCallbacks(this); 16922 final boolean succeeded; 16923 try (PackageFreezer freezer = freezePackage(packageName, 16924 "clearApplicationUserData")) { 16925 synchronized (mInstallLock) { 16926 succeeded = clearApplicationUserDataLIF(packageName, userId); 16927 } 16928 clearExternalStorageDataSync(packageName, userId, true); 16929 } 16930 if (succeeded) { 16931 // invoke DeviceStorageMonitor's update method to clear any notifications 16932 DeviceStorageMonitorInternal dsm = LocalServices 16933 .getService(DeviceStorageMonitorInternal.class); 16934 if (dsm != null) { 16935 dsm.checkMemory(); 16936 } 16937 } 16938 if(observer != null) { 16939 try { 16940 observer.onRemoveCompleted(packageName, succeeded); 16941 } catch (RemoteException e) { 16942 Log.i(TAG, "Observer no longer exists."); 16943 } 16944 } //end if observer 16945 } //end run 16946 }); 16947 } 16948 16949 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16950 if (packageName == null) { 16951 Slog.w(TAG, "Attempt to delete null packageName."); 16952 return false; 16953 } 16954 16955 // Try finding details about the requested package 16956 PackageParser.Package pkg; 16957 synchronized (mPackages) { 16958 pkg = mPackages.get(packageName); 16959 if (pkg == null) { 16960 final PackageSetting ps = mSettings.mPackages.get(packageName); 16961 if (ps != null) { 16962 pkg = ps.pkg; 16963 } 16964 } 16965 16966 if (pkg == null) { 16967 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16968 return false; 16969 } 16970 16971 PackageSetting ps = (PackageSetting) pkg.mExtras; 16972 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16973 } 16974 16975 clearAppDataLIF(pkg, userId, 16976 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16977 16978 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16979 removeKeystoreDataIfNeeded(userId, appId); 16980 16981 UserManagerInternal umInternal = getUserManagerInternal(); 16982 final int flags; 16983 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16984 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16985 } else if (umInternal.isUserRunning(userId)) { 16986 flags = StorageManager.FLAG_STORAGE_DE; 16987 } else { 16988 flags = 0; 16989 } 16990 prepareAppDataContentsLIF(pkg, userId, flags); 16991 16992 return true; 16993 } 16994 16995 /** 16996 * Reverts user permission state changes (permissions and flags) in 16997 * all packages for a given user. 16998 * 16999 * @param userId The device user for which to do a reset. 17000 */ 17001 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 17002 final int packageCount = mPackages.size(); 17003 for (int i = 0; i < packageCount; i++) { 17004 PackageParser.Package pkg = mPackages.valueAt(i); 17005 PackageSetting ps = (PackageSetting) pkg.mExtras; 17006 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 17007 } 17008 } 17009 17010 private void resetNetworkPolicies(int userId) { 17011 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 17012 } 17013 17014 /** 17015 * Reverts user permission state changes (permissions and flags). 17016 * 17017 * @param ps The package for which to reset. 17018 * @param userId The device user for which to do a reset. 17019 */ 17020 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 17021 final PackageSetting ps, final int userId) { 17022 if (ps.pkg == null) { 17023 return; 17024 } 17025 17026 // These are flags that can change base on user actions. 17027 final int userSettableMask = FLAG_PERMISSION_USER_SET 17028 | FLAG_PERMISSION_USER_FIXED 17029 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 17030 | FLAG_PERMISSION_REVIEW_REQUIRED; 17031 17032 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 17033 | FLAG_PERMISSION_POLICY_FIXED; 17034 17035 boolean writeInstallPermissions = false; 17036 boolean writeRuntimePermissions = false; 17037 17038 final int permissionCount = ps.pkg.requestedPermissions.size(); 17039 for (int i = 0; i < permissionCount; i++) { 17040 String permission = ps.pkg.requestedPermissions.get(i); 17041 17042 BasePermission bp = mSettings.mPermissions.get(permission); 17043 if (bp == null) { 17044 continue; 17045 } 17046 17047 // If shared user we just reset the state to which only this app contributed. 17048 if (ps.sharedUser != null) { 17049 boolean used = false; 17050 final int packageCount = ps.sharedUser.packages.size(); 17051 for (int j = 0; j < packageCount; j++) { 17052 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 17053 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 17054 && pkg.pkg.requestedPermissions.contains(permission)) { 17055 used = true; 17056 break; 17057 } 17058 } 17059 if (used) { 17060 continue; 17061 } 17062 } 17063 17064 PermissionsState permissionsState = ps.getPermissionsState(); 17065 17066 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 17067 17068 // Always clear the user settable flags. 17069 final boolean hasInstallState = permissionsState.getInstallPermissionState( 17070 bp.name) != null; 17071 // If permission review is enabled and this is a legacy app, mark the 17072 // permission as requiring a review as this is the initial state. 17073 int flags = 0; 17074 if (mPermissionReviewRequired 17075 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 17076 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 17077 } 17078 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 17079 if (hasInstallState) { 17080 writeInstallPermissions = true; 17081 } else { 17082 writeRuntimePermissions = true; 17083 } 17084 } 17085 17086 // Below is only runtime permission handling. 17087 if (!bp.isRuntime()) { 17088 continue; 17089 } 17090 17091 // Never clobber system or policy. 17092 if ((oldFlags & policyOrSystemFlags) != 0) { 17093 continue; 17094 } 17095 17096 // If this permission was granted by default, make sure it is. 17097 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 17098 if (permissionsState.grantRuntimePermission(bp, userId) 17099 != PERMISSION_OPERATION_FAILURE) { 17100 writeRuntimePermissions = true; 17101 } 17102 // If permission review is enabled the permissions for a legacy apps 17103 // are represented as constantly granted runtime ones, so don't revoke. 17104 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 17105 // Otherwise, reset the permission. 17106 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 17107 switch (revokeResult) { 17108 case PERMISSION_OPERATION_SUCCESS: 17109 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 17110 writeRuntimePermissions = true; 17111 final int appId = ps.appId; 17112 mHandler.post(new Runnable() { 17113 @Override 17114 public void run() { 17115 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 17116 } 17117 }); 17118 } break; 17119 } 17120 } 17121 } 17122 17123 // Synchronously write as we are taking permissions away. 17124 if (writeRuntimePermissions) { 17125 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 17126 } 17127 17128 // Synchronously write as we are taking permissions away. 17129 if (writeInstallPermissions) { 17130 mSettings.writeLPr(); 17131 } 17132 } 17133 17134 /** 17135 * Remove entries from the keystore daemon. Will only remove it if the 17136 * {@code appId} is valid. 17137 */ 17138 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 17139 if (appId < 0) { 17140 return; 17141 } 17142 17143 final KeyStore keyStore = KeyStore.getInstance(); 17144 if (keyStore != null) { 17145 if (userId == UserHandle.USER_ALL) { 17146 for (final int individual : sUserManager.getUserIds()) { 17147 keyStore.clearUid(UserHandle.getUid(individual, appId)); 17148 } 17149 } else { 17150 keyStore.clearUid(UserHandle.getUid(userId, appId)); 17151 } 17152 } else { 17153 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 17154 } 17155 } 17156 17157 @Override 17158 public void deleteApplicationCacheFiles(final String packageName, 17159 final IPackageDataObserver observer) { 17160 final int userId = UserHandle.getCallingUserId(); 17161 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 17162 } 17163 17164 @Override 17165 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 17166 final IPackageDataObserver observer) { 17167 mContext.enforceCallingOrSelfPermission( 17168 android.Manifest.permission.DELETE_CACHE_FILES, null); 17169 enforceCrossUserPermission(Binder.getCallingUid(), userId, 17170 /* requireFullPermission= */ true, /* checkShell= */ false, 17171 "delete application cache files"); 17172 17173 final PackageParser.Package pkg; 17174 synchronized (mPackages) { 17175 pkg = mPackages.get(packageName); 17176 } 17177 17178 // Queue up an async operation since the package deletion may take a little while. 17179 mHandler.post(new Runnable() { 17180 public void run() { 17181 synchronized (mInstallLock) { 17182 final int flags = StorageManager.FLAG_STORAGE_DE 17183 | StorageManager.FLAG_STORAGE_CE; 17184 // We're only clearing cache files, so we don't care if the 17185 // app is unfrozen and still able to run 17186 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 17187 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 17188 } 17189 clearExternalStorageDataSync(packageName, userId, false); 17190 if (observer != null) { 17191 try { 17192 observer.onRemoveCompleted(packageName, true); 17193 } catch (RemoteException e) { 17194 Log.i(TAG, "Observer no longer exists."); 17195 } 17196 } 17197 } 17198 }); 17199 } 17200 17201 @Override 17202 public void getPackageSizeInfo(final String packageName, int userHandle, 17203 final IPackageStatsObserver observer) { 17204 mContext.enforceCallingOrSelfPermission( 17205 android.Manifest.permission.GET_PACKAGE_SIZE, null); 17206 if (packageName == null) { 17207 throw new IllegalArgumentException("Attempt to get size of null packageName"); 17208 } 17209 17210 PackageStats stats = new PackageStats(packageName, userHandle); 17211 17212 /* 17213 * Queue up an async operation since the package measurement may take a 17214 * little while. 17215 */ 17216 Message msg = mHandler.obtainMessage(INIT_COPY); 17217 msg.obj = new MeasureParams(stats, observer); 17218 mHandler.sendMessage(msg); 17219 } 17220 17221 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 17222 final PackageSetting ps; 17223 synchronized (mPackages) { 17224 ps = mSettings.mPackages.get(packageName); 17225 if (ps == null) { 17226 Slog.w(TAG, "Failed to find settings for " + packageName); 17227 return false; 17228 } 17229 } 17230 try { 17231 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 17232 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 17233 ps.getCeDataInode(userId), ps.codePathString, stats); 17234 } catch (InstallerException e) { 17235 Slog.w(TAG, String.valueOf(e)); 17236 return false; 17237 } 17238 17239 // For now, ignore code size of packages on system partition 17240 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 17241 stats.codeSize = 0; 17242 } 17243 17244 return true; 17245 } 17246 17247 private int getUidTargetSdkVersionLockedLPr(int uid) { 17248 Object obj = mSettings.getUserIdLPr(uid); 17249 if (obj instanceof SharedUserSetting) { 17250 final SharedUserSetting sus = (SharedUserSetting) obj; 17251 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 17252 final Iterator<PackageSetting> it = sus.packages.iterator(); 17253 while (it.hasNext()) { 17254 final PackageSetting ps = it.next(); 17255 if (ps.pkg != null) { 17256 int v = ps.pkg.applicationInfo.targetSdkVersion; 17257 if (v < vers) vers = v; 17258 } 17259 } 17260 return vers; 17261 } else if (obj instanceof PackageSetting) { 17262 final PackageSetting ps = (PackageSetting) obj; 17263 if (ps.pkg != null) { 17264 return ps.pkg.applicationInfo.targetSdkVersion; 17265 } 17266 } 17267 return Build.VERSION_CODES.CUR_DEVELOPMENT; 17268 } 17269 17270 @Override 17271 public void addPreferredActivity(IntentFilter filter, int match, 17272 ComponentName[] set, ComponentName activity, int userId) { 17273 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17274 "Adding preferred"); 17275 } 17276 17277 private void addPreferredActivityInternal(IntentFilter filter, int match, 17278 ComponentName[] set, ComponentName activity, boolean always, int userId, 17279 String opname) { 17280 // writer 17281 int callingUid = Binder.getCallingUid(); 17282 enforceCrossUserPermission(callingUid, userId, 17283 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 17284 if (filter.countActions() == 0) { 17285 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17286 return; 17287 } 17288 synchronized (mPackages) { 17289 if (mContext.checkCallingOrSelfPermission( 17290 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17291 != PackageManager.PERMISSION_GRANTED) { 17292 if (getUidTargetSdkVersionLockedLPr(callingUid) 17293 < Build.VERSION_CODES.FROYO) { 17294 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 17295 + callingUid); 17296 return; 17297 } 17298 mContext.enforceCallingOrSelfPermission( 17299 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17300 } 17301 17302 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 17303 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 17304 + userId + ":"); 17305 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17306 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 17307 scheduleWritePackageRestrictionsLocked(userId); 17308 postPreferredActivityChangedBroadcast(userId); 17309 } 17310 } 17311 17312 private void postPreferredActivityChangedBroadcast(int userId) { 17313 mHandler.post(() -> { 17314 final IActivityManager am = ActivityManager.getService(); 17315 if (am == null) { 17316 return; 17317 } 17318 17319 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 17320 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 17321 try { 17322 am.broadcastIntent(null, intent, null, null, 17323 0, null, null, null, android.app.AppOpsManager.OP_NONE, 17324 null, false, false, userId); 17325 } catch (RemoteException e) { 17326 } 17327 }); 17328 } 17329 17330 @Override 17331 public void replacePreferredActivity(IntentFilter filter, int match, 17332 ComponentName[] set, ComponentName activity, int userId) { 17333 if (filter.countActions() != 1) { 17334 throw new IllegalArgumentException( 17335 "replacePreferredActivity expects filter to have only 1 action."); 17336 } 17337 if (filter.countDataAuthorities() != 0 17338 || filter.countDataPaths() != 0 17339 || filter.countDataSchemes() > 1 17340 || filter.countDataTypes() != 0) { 17341 throw new IllegalArgumentException( 17342 "replacePreferredActivity expects filter to have no data authorities, " + 17343 "paths, or types; and at most one scheme."); 17344 } 17345 17346 final int callingUid = Binder.getCallingUid(); 17347 enforceCrossUserPermission(callingUid, userId, 17348 true /* requireFullPermission */, false /* checkShell */, 17349 "replace preferred activity"); 17350 synchronized (mPackages) { 17351 if (mContext.checkCallingOrSelfPermission( 17352 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17353 != PackageManager.PERMISSION_GRANTED) { 17354 if (getUidTargetSdkVersionLockedLPr(callingUid) 17355 < Build.VERSION_CODES.FROYO) { 17356 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 17357 + Binder.getCallingUid()); 17358 return; 17359 } 17360 mContext.enforceCallingOrSelfPermission( 17361 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17362 } 17363 17364 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17365 if (pir != null) { 17366 // Get all of the existing entries that exactly match this filter. 17367 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 17368 if (existing != null && existing.size() == 1) { 17369 PreferredActivity cur = existing.get(0); 17370 if (DEBUG_PREFERRED) { 17371 Slog.i(TAG, "Checking replace of preferred:"); 17372 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17373 if (!cur.mPref.mAlways) { 17374 Slog.i(TAG, " -- CUR; not mAlways!"); 17375 } else { 17376 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 17377 Slog.i(TAG, " -- CUR: mSet=" 17378 + Arrays.toString(cur.mPref.mSetComponents)); 17379 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 17380 Slog.i(TAG, " -- NEW: mMatch=" 17381 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 17382 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 17383 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 17384 } 17385 } 17386 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 17387 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 17388 && cur.mPref.sameSet(set)) { 17389 // Setting the preferred activity to what it happens to be already 17390 if (DEBUG_PREFERRED) { 17391 Slog.i(TAG, "Replacing with same preferred activity " 17392 + cur.mPref.mShortComponent + " for user " 17393 + userId + ":"); 17394 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17395 } 17396 return; 17397 } 17398 } 17399 17400 if (existing != null) { 17401 if (DEBUG_PREFERRED) { 17402 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 17403 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17404 } 17405 for (int i = 0; i < existing.size(); i++) { 17406 PreferredActivity pa = existing.get(i); 17407 if (DEBUG_PREFERRED) { 17408 Slog.i(TAG, "Removing existing preferred activity " 17409 + pa.mPref.mComponent + ":"); 17410 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 17411 } 17412 pir.removeFilter(pa); 17413 } 17414 } 17415 } 17416 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17417 "Replacing preferred"); 17418 } 17419 } 17420 17421 @Override 17422 public void clearPackagePreferredActivities(String packageName) { 17423 final int uid = Binder.getCallingUid(); 17424 // writer 17425 synchronized (mPackages) { 17426 PackageParser.Package pkg = mPackages.get(packageName); 17427 if (pkg == null || pkg.applicationInfo.uid != uid) { 17428 if (mContext.checkCallingOrSelfPermission( 17429 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17430 != PackageManager.PERMISSION_GRANTED) { 17431 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 17432 < Build.VERSION_CODES.FROYO) { 17433 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 17434 + Binder.getCallingUid()); 17435 return; 17436 } 17437 mContext.enforceCallingOrSelfPermission( 17438 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17439 } 17440 } 17441 17442 int user = UserHandle.getCallingUserId(); 17443 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 17444 scheduleWritePackageRestrictionsLocked(user); 17445 } 17446 } 17447 } 17448 17449 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17450 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17451 ArrayList<PreferredActivity> removed = null; 17452 boolean changed = false; 17453 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17454 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17455 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17456 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17457 continue; 17458 } 17459 Iterator<PreferredActivity> it = pir.filterIterator(); 17460 while (it.hasNext()) { 17461 PreferredActivity pa = it.next(); 17462 // Mark entry for removal only if it matches the package name 17463 // and the entry is of type "always". 17464 if (packageName == null || 17465 (pa.mPref.mComponent.getPackageName().equals(packageName) 17466 && pa.mPref.mAlways)) { 17467 if (removed == null) { 17468 removed = new ArrayList<PreferredActivity>(); 17469 } 17470 removed.add(pa); 17471 } 17472 } 17473 if (removed != null) { 17474 for (int j=0; j<removed.size(); j++) { 17475 PreferredActivity pa = removed.get(j); 17476 pir.removeFilter(pa); 17477 } 17478 changed = true; 17479 } 17480 } 17481 if (changed) { 17482 postPreferredActivityChangedBroadcast(userId); 17483 } 17484 return changed; 17485 } 17486 17487 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17488 private void clearIntentFilterVerificationsLPw(int userId) { 17489 final int packageCount = mPackages.size(); 17490 for (int i = 0; i < packageCount; i++) { 17491 PackageParser.Package pkg = mPackages.valueAt(i); 17492 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17493 } 17494 } 17495 17496 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17497 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17498 if (userId == UserHandle.USER_ALL) { 17499 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17500 sUserManager.getUserIds())) { 17501 for (int oneUserId : sUserManager.getUserIds()) { 17502 scheduleWritePackageRestrictionsLocked(oneUserId); 17503 } 17504 } 17505 } else { 17506 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17507 scheduleWritePackageRestrictionsLocked(userId); 17508 } 17509 } 17510 } 17511 17512 void clearDefaultBrowserIfNeeded(String packageName) { 17513 for (int oneUserId : sUserManager.getUserIds()) { 17514 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17515 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17516 if (packageName.equals(defaultBrowserPackageName)) { 17517 setDefaultBrowserPackageName(null, oneUserId); 17518 } 17519 } 17520 } 17521 17522 @Override 17523 public void resetApplicationPreferences(int userId) { 17524 mContext.enforceCallingOrSelfPermission( 17525 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17526 final long identity = Binder.clearCallingIdentity(); 17527 // writer 17528 try { 17529 synchronized (mPackages) { 17530 clearPackagePreferredActivitiesLPw(null, userId); 17531 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17532 // TODO: We have to reset the default SMS and Phone. This requires 17533 // significant refactoring to keep all default apps in the package 17534 // manager (cleaner but more work) or have the services provide 17535 // callbacks to the package manager to request a default app reset. 17536 applyFactoryDefaultBrowserLPw(userId); 17537 clearIntentFilterVerificationsLPw(userId); 17538 primeDomainVerificationsLPw(userId); 17539 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17540 scheduleWritePackageRestrictionsLocked(userId); 17541 } 17542 resetNetworkPolicies(userId); 17543 } finally { 17544 Binder.restoreCallingIdentity(identity); 17545 } 17546 } 17547 17548 @Override 17549 public int getPreferredActivities(List<IntentFilter> outFilters, 17550 List<ComponentName> outActivities, String packageName) { 17551 17552 int num = 0; 17553 final int userId = UserHandle.getCallingUserId(); 17554 // reader 17555 synchronized (mPackages) { 17556 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17557 if (pir != null) { 17558 final Iterator<PreferredActivity> it = pir.filterIterator(); 17559 while (it.hasNext()) { 17560 final PreferredActivity pa = it.next(); 17561 if (packageName == null 17562 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17563 && pa.mPref.mAlways)) { 17564 if (outFilters != null) { 17565 outFilters.add(new IntentFilter(pa)); 17566 } 17567 if (outActivities != null) { 17568 outActivities.add(pa.mPref.mComponent); 17569 } 17570 } 17571 } 17572 } 17573 } 17574 17575 return num; 17576 } 17577 17578 @Override 17579 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17580 int userId) { 17581 int callingUid = Binder.getCallingUid(); 17582 if (callingUid != Process.SYSTEM_UID) { 17583 throw new SecurityException( 17584 "addPersistentPreferredActivity can only be run by the system"); 17585 } 17586 if (filter.countActions() == 0) { 17587 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17588 return; 17589 } 17590 synchronized (mPackages) { 17591 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17592 ":"); 17593 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17594 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17595 new PersistentPreferredActivity(filter, activity)); 17596 scheduleWritePackageRestrictionsLocked(userId); 17597 postPreferredActivityChangedBroadcast(userId); 17598 } 17599 } 17600 17601 @Override 17602 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17603 int callingUid = Binder.getCallingUid(); 17604 if (callingUid != Process.SYSTEM_UID) { 17605 throw new SecurityException( 17606 "clearPackagePersistentPreferredActivities can only be run by the system"); 17607 } 17608 ArrayList<PersistentPreferredActivity> removed = null; 17609 boolean changed = false; 17610 synchronized (mPackages) { 17611 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17612 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17613 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17614 .valueAt(i); 17615 if (userId != thisUserId) { 17616 continue; 17617 } 17618 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17619 while (it.hasNext()) { 17620 PersistentPreferredActivity ppa = it.next(); 17621 // Mark entry for removal only if it matches the package name. 17622 if (ppa.mComponent.getPackageName().equals(packageName)) { 17623 if (removed == null) { 17624 removed = new ArrayList<PersistentPreferredActivity>(); 17625 } 17626 removed.add(ppa); 17627 } 17628 } 17629 if (removed != null) { 17630 for (int j=0; j<removed.size(); j++) { 17631 PersistentPreferredActivity ppa = removed.get(j); 17632 ppir.removeFilter(ppa); 17633 } 17634 changed = true; 17635 } 17636 } 17637 17638 if (changed) { 17639 scheduleWritePackageRestrictionsLocked(userId); 17640 postPreferredActivityChangedBroadcast(userId); 17641 } 17642 } 17643 } 17644 17645 /** 17646 * Common machinery for picking apart a restored XML blob and passing 17647 * it to a caller-supplied functor to be applied to the running system. 17648 */ 17649 private void restoreFromXml(XmlPullParser parser, int userId, 17650 String expectedStartTag, BlobXmlRestorer functor) 17651 throws IOException, XmlPullParserException { 17652 int type; 17653 while ((type = parser.next()) != XmlPullParser.START_TAG 17654 && type != XmlPullParser.END_DOCUMENT) { 17655 } 17656 if (type != XmlPullParser.START_TAG) { 17657 // oops didn't find a start tag?! 17658 if (DEBUG_BACKUP) { 17659 Slog.e(TAG, "Didn't find start tag during restore"); 17660 } 17661 return; 17662 } 17663Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17664 // this is supposed to be TAG_PREFERRED_BACKUP 17665 if (!expectedStartTag.equals(parser.getName())) { 17666 if (DEBUG_BACKUP) { 17667 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17668 } 17669 return; 17670 } 17671 17672 // skip interfering stuff, then we're aligned with the backing implementation 17673 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17674Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17675 functor.apply(parser, userId); 17676 } 17677 17678 private interface BlobXmlRestorer { 17679 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17680 } 17681 17682 /** 17683 * Non-Binder method, support for the backup/restore mechanism: write the 17684 * full set of preferred activities in its canonical XML format. Returns the 17685 * XML output as a byte array, or null if there is none. 17686 */ 17687 @Override 17688 public byte[] getPreferredActivityBackup(int userId) { 17689 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17690 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17691 } 17692 17693 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17694 try { 17695 final XmlSerializer serializer = new FastXmlSerializer(); 17696 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17697 serializer.startDocument(null, true); 17698 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17699 17700 synchronized (mPackages) { 17701 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17702 } 17703 17704 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17705 serializer.endDocument(); 17706 serializer.flush(); 17707 } catch (Exception e) { 17708 if (DEBUG_BACKUP) { 17709 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17710 } 17711 return null; 17712 } 17713 17714 return dataStream.toByteArray(); 17715 } 17716 17717 @Override 17718 public void restorePreferredActivities(byte[] backup, int userId) { 17719 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17720 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17721 } 17722 17723 try { 17724 final XmlPullParser parser = Xml.newPullParser(); 17725 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17726 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17727 new BlobXmlRestorer() { 17728 @Override 17729 public void apply(XmlPullParser parser, int userId) 17730 throws XmlPullParserException, IOException { 17731 synchronized (mPackages) { 17732 mSettings.readPreferredActivitiesLPw(parser, userId); 17733 } 17734 } 17735 } ); 17736 } catch (Exception e) { 17737 if (DEBUG_BACKUP) { 17738 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17739 } 17740 } 17741 } 17742 17743 /** 17744 * Non-Binder method, support for the backup/restore mechanism: write the 17745 * default browser (etc) settings in its canonical XML format. Returns the default 17746 * browser XML representation as a byte array, or null if there is none. 17747 */ 17748 @Override 17749 public byte[] getDefaultAppsBackup(int userId) { 17750 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17751 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17752 } 17753 17754 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17755 try { 17756 final XmlSerializer serializer = new FastXmlSerializer(); 17757 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17758 serializer.startDocument(null, true); 17759 serializer.startTag(null, TAG_DEFAULT_APPS); 17760 17761 synchronized (mPackages) { 17762 mSettings.writeDefaultAppsLPr(serializer, userId); 17763 } 17764 17765 serializer.endTag(null, TAG_DEFAULT_APPS); 17766 serializer.endDocument(); 17767 serializer.flush(); 17768 } catch (Exception e) { 17769 if (DEBUG_BACKUP) { 17770 Slog.e(TAG, "Unable to write default apps for backup", e); 17771 } 17772 return null; 17773 } 17774 17775 return dataStream.toByteArray(); 17776 } 17777 17778 @Override 17779 public void restoreDefaultApps(byte[] backup, int userId) { 17780 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17781 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17782 } 17783 17784 try { 17785 final XmlPullParser parser = Xml.newPullParser(); 17786 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17787 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17788 new BlobXmlRestorer() { 17789 @Override 17790 public void apply(XmlPullParser parser, int userId) 17791 throws XmlPullParserException, IOException { 17792 synchronized (mPackages) { 17793 mSettings.readDefaultAppsLPw(parser, userId); 17794 } 17795 } 17796 } ); 17797 } catch (Exception e) { 17798 if (DEBUG_BACKUP) { 17799 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17800 } 17801 } 17802 } 17803 17804 @Override 17805 public byte[] getIntentFilterVerificationBackup(int userId) { 17806 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17807 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17808 } 17809 17810 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17811 try { 17812 final XmlSerializer serializer = new FastXmlSerializer(); 17813 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17814 serializer.startDocument(null, true); 17815 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17816 17817 synchronized (mPackages) { 17818 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17819 } 17820 17821 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17822 serializer.endDocument(); 17823 serializer.flush(); 17824 } catch (Exception e) { 17825 if (DEBUG_BACKUP) { 17826 Slog.e(TAG, "Unable to write default apps for backup", e); 17827 } 17828 return null; 17829 } 17830 17831 return dataStream.toByteArray(); 17832 } 17833 17834 @Override 17835 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17836 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17837 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17838 } 17839 17840 try { 17841 final XmlPullParser parser = Xml.newPullParser(); 17842 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17843 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17844 new BlobXmlRestorer() { 17845 @Override 17846 public void apply(XmlPullParser parser, int userId) 17847 throws XmlPullParserException, IOException { 17848 synchronized (mPackages) { 17849 mSettings.readAllDomainVerificationsLPr(parser, userId); 17850 mSettings.writeLPr(); 17851 } 17852 } 17853 } ); 17854 } catch (Exception e) { 17855 if (DEBUG_BACKUP) { 17856 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17857 } 17858 } 17859 } 17860 17861 @Override 17862 public byte[] getPermissionGrantBackup(int userId) { 17863 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17864 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17865 } 17866 17867 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17868 try { 17869 final XmlSerializer serializer = new FastXmlSerializer(); 17870 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17871 serializer.startDocument(null, true); 17872 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17873 17874 synchronized (mPackages) { 17875 serializeRuntimePermissionGrantsLPr(serializer, userId); 17876 } 17877 17878 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17879 serializer.endDocument(); 17880 serializer.flush(); 17881 } catch (Exception e) { 17882 if (DEBUG_BACKUP) { 17883 Slog.e(TAG, "Unable to write default apps for backup", e); 17884 } 17885 return null; 17886 } 17887 17888 return dataStream.toByteArray(); 17889 } 17890 17891 @Override 17892 public void restorePermissionGrants(byte[] backup, int userId) { 17893 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17894 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17895 } 17896 17897 try { 17898 final XmlPullParser parser = Xml.newPullParser(); 17899 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17900 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17901 new BlobXmlRestorer() { 17902 @Override 17903 public void apply(XmlPullParser parser, int userId) 17904 throws XmlPullParserException, IOException { 17905 synchronized (mPackages) { 17906 processRestoredPermissionGrantsLPr(parser, userId); 17907 } 17908 } 17909 } ); 17910 } catch (Exception e) { 17911 if (DEBUG_BACKUP) { 17912 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17913 } 17914 } 17915 } 17916 17917 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17918 throws IOException { 17919 serializer.startTag(null, TAG_ALL_GRANTS); 17920 17921 final int N = mSettings.mPackages.size(); 17922 for (int i = 0; i < N; i++) { 17923 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17924 boolean pkgGrantsKnown = false; 17925 17926 PermissionsState packagePerms = ps.getPermissionsState(); 17927 17928 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17929 final int grantFlags = state.getFlags(); 17930 // only look at grants that are not system/policy fixed 17931 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17932 final boolean isGranted = state.isGranted(); 17933 // And only back up the user-twiddled state bits 17934 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17935 final String packageName = mSettings.mPackages.keyAt(i); 17936 if (!pkgGrantsKnown) { 17937 serializer.startTag(null, TAG_GRANT); 17938 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17939 pkgGrantsKnown = true; 17940 } 17941 17942 final boolean userSet = 17943 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17944 final boolean userFixed = 17945 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17946 final boolean revoke = 17947 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17948 17949 serializer.startTag(null, TAG_PERMISSION); 17950 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17951 if (isGranted) { 17952 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17953 } 17954 if (userSet) { 17955 serializer.attribute(null, ATTR_USER_SET, "true"); 17956 } 17957 if (userFixed) { 17958 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17959 } 17960 if (revoke) { 17961 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17962 } 17963 serializer.endTag(null, TAG_PERMISSION); 17964 } 17965 } 17966 } 17967 17968 if (pkgGrantsKnown) { 17969 serializer.endTag(null, TAG_GRANT); 17970 } 17971 } 17972 17973 serializer.endTag(null, TAG_ALL_GRANTS); 17974 } 17975 17976 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17977 throws XmlPullParserException, IOException { 17978 String pkgName = null; 17979 int outerDepth = parser.getDepth(); 17980 int type; 17981 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17982 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17983 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17984 continue; 17985 } 17986 17987 final String tagName = parser.getName(); 17988 if (tagName.equals(TAG_GRANT)) { 17989 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17990 if (DEBUG_BACKUP) { 17991 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17992 } 17993 } else if (tagName.equals(TAG_PERMISSION)) { 17994 17995 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17996 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17997 17998 int newFlagSet = 0; 17999 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 18000 newFlagSet |= FLAG_PERMISSION_USER_SET; 18001 } 18002 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 18003 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 18004 } 18005 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 18006 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 18007 } 18008 if (DEBUG_BACKUP) { 18009 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 18010 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 18011 } 18012 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18013 if (ps != null) { 18014 // Already installed so we apply the grant immediately 18015 if (DEBUG_BACKUP) { 18016 Slog.v(TAG, " + already installed; applying"); 18017 } 18018 PermissionsState perms = ps.getPermissionsState(); 18019 BasePermission bp = mSettings.mPermissions.get(permName); 18020 if (bp != null) { 18021 if (isGranted) { 18022 perms.grantRuntimePermission(bp, userId); 18023 } 18024 if (newFlagSet != 0) { 18025 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 18026 } 18027 } 18028 } else { 18029 // Need to wait for post-restore install to apply the grant 18030 if (DEBUG_BACKUP) { 18031 Slog.v(TAG, " - not yet installed; saving for later"); 18032 } 18033 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 18034 isGranted, newFlagSet, userId); 18035 } 18036 } else { 18037 PackageManagerService.reportSettingsProblem(Log.WARN, 18038 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 18039 XmlUtils.skipCurrentTag(parser); 18040 } 18041 } 18042 18043 scheduleWriteSettingsLocked(); 18044 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 18045 } 18046 18047 @Override 18048 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 18049 int sourceUserId, int targetUserId, int flags) { 18050 mContext.enforceCallingOrSelfPermission( 18051 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 18052 int callingUid = Binder.getCallingUid(); 18053 enforceOwnerRights(ownerPackage, callingUid); 18054 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 18055 if (intentFilter.countActions() == 0) { 18056 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 18057 return; 18058 } 18059 synchronized (mPackages) { 18060 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 18061 ownerPackage, targetUserId, flags); 18062 CrossProfileIntentResolver resolver = 18063 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 18064 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 18065 // We have all those whose filter is equal. Now checking if the rest is equal as well. 18066 if (existing != null) { 18067 int size = existing.size(); 18068 for (int i = 0; i < size; i++) { 18069 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 18070 return; 18071 } 18072 } 18073 } 18074 resolver.addFilter(newFilter); 18075 scheduleWritePackageRestrictionsLocked(sourceUserId); 18076 } 18077 } 18078 18079 @Override 18080 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 18081 mContext.enforceCallingOrSelfPermission( 18082 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 18083 int callingUid = Binder.getCallingUid(); 18084 enforceOwnerRights(ownerPackage, callingUid); 18085 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 18086 synchronized (mPackages) { 18087 CrossProfileIntentResolver resolver = 18088 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 18089 ArraySet<CrossProfileIntentFilter> set = 18090 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 18091 for (CrossProfileIntentFilter filter : set) { 18092 if (filter.getOwnerPackage().equals(ownerPackage)) { 18093 resolver.removeFilter(filter); 18094 } 18095 } 18096 scheduleWritePackageRestrictionsLocked(sourceUserId); 18097 } 18098 } 18099 18100 // Enforcing that callingUid is owning pkg on userId 18101 private void enforceOwnerRights(String pkg, int callingUid) { 18102 // The system owns everything. 18103 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 18104 return; 18105 } 18106 int callingUserId = UserHandle.getUserId(callingUid); 18107 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 18108 if (pi == null) { 18109 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 18110 + callingUserId); 18111 } 18112 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 18113 throw new SecurityException("Calling uid " + callingUid 18114 + " does not own package " + pkg); 18115 } 18116 } 18117 18118 @Override 18119 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 18120 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 18121 } 18122 18123 private Intent getHomeIntent() { 18124 Intent intent = new Intent(Intent.ACTION_MAIN); 18125 intent.addCategory(Intent.CATEGORY_HOME); 18126 intent.addCategory(Intent.CATEGORY_DEFAULT); 18127 return intent; 18128 } 18129 18130 private IntentFilter getHomeFilter() { 18131 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 18132 filter.addCategory(Intent.CATEGORY_HOME); 18133 filter.addCategory(Intent.CATEGORY_DEFAULT); 18134 return filter; 18135 } 18136 18137 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 18138 int userId) { 18139 Intent intent = getHomeIntent(); 18140 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 18141 PackageManager.GET_META_DATA, userId); 18142 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 18143 true, false, false, userId); 18144 18145 allHomeCandidates.clear(); 18146 if (list != null) { 18147 for (ResolveInfo ri : list) { 18148 allHomeCandidates.add(ri); 18149 } 18150 } 18151 return (preferred == null || preferred.activityInfo == null) 18152 ? null 18153 : new ComponentName(preferred.activityInfo.packageName, 18154 preferred.activityInfo.name); 18155 } 18156 18157 @Override 18158 public void setHomeActivity(ComponentName comp, int userId) { 18159 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 18160 getHomeActivitiesAsUser(homeActivities, userId); 18161 18162 boolean found = false; 18163 18164 final int size = homeActivities.size(); 18165 final ComponentName[] set = new ComponentName[size]; 18166 for (int i = 0; i < size; i++) { 18167 final ResolveInfo candidate = homeActivities.get(i); 18168 final ActivityInfo info = candidate.activityInfo; 18169 final ComponentName activityName = new ComponentName(info.packageName, info.name); 18170 set[i] = activityName; 18171 if (!found && activityName.equals(comp)) { 18172 found = true; 18173 } 18174 } 18175 if (!found) { 18176 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 18177 + userId); 18178 } 18179 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 18180 set, comp, userId); 18181 } 18182 18183 private @Nullable String getSetupWizardPackageName() { 18184 final Intent intent = new Intent(Intent.ACTION_MAIN); 18185 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 18186 18187 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 18188 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 18189 | MATCH_DISABLED_COMPONENTS, 18190 UserHandle.myUserId()); 18191 if (matches.size() == 1) { 18192 return matches.get(0).getComponentInfo().packageName; 18193 } else { 18194 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 18195 + ": matches=" + matches); 18196 return null; 18197 } 18198 } 18199 18200 private @Nullable String getStorageManagerPackageName() { 18201 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 18202 18203 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 18204 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 18205 | MATCH_DISABLED_COMPONENTS, 18206 UserHandle.myUserId()); 18207 if (matches.size() == 1) { 18208 return matches.get(0).getComponentInfo().packageName; 18209 } else { 18210 Slog.e(TAG, "There should probably be exactly one storage manager; found " 18211 + matches.size() + ": matches=" + matches); 18212 return null; 18213 } 18214 } 18215 18216 @Override 18217 public void setApplicationEnabledSetting(String appPackageName, 18218 int newState, int flags, int userId, String callingPackage) { 18219 if (!sUserManager.exists(userId)) return; 18220 if (callingPackage == null) { 18221 callingPackage = Integer.toString(Binder.getCallingUid()); 18222 } 18223 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 18224 } 18225 18226 @Override 18227 public void setComponentEnabledSetting(ComponentName componentName, 18228 int newState, int flags, int userId) { 18229 if (!sUserManager.exists(userId)) return; 18230 setEnabledSetting(componentName.getPackageName(), 18231 componentName.getClassName(), newState, flags, userId, null); 18232 } 18233 18234 private void setEnabledSetting(final String packageName, String className, int newState, 18235 final int flags, int userId, String callingPackage) { 18236 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 18237 || newState == COMPONENT_ENABLED_STATE_ENABLED 18238 || newState == COMPONENT_ENABLED_STATE_DISABLED 18239 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18240 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 18241 throw new IllegalArgumentException("Invalid new component state: " 18242 + newState); 18243 } 18244 PackageSetting pkgSetting; 18245 final int uid = Binder.getCallingUid(); 18246 final int permission; 18247 if (uid == Process.SYSTEM_UID) { 18248 permission = PackageManager.PERMISSION_GRANTED; 18249 } else { 18250 permission = mContext.checkCallingOrSelfPermission( 18251 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18252 } 18253 enforceCrossUserPermission(uid, userId, 18254 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 18255 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18256 boolean sendNow = false; 18257 boolean isApp = (className == null); 18258 String componentName = isApp ? packageName : className; 18259 int packageUid = -1; 18260 ArrayList<String> components; 18261 18262 // writer 18263 synchronized (mPackages) { 18264 pkgSetting = mSettings.mPackages.get(packageName); 18265 if (pkgSetting == null) { 18266 if (className == null) { 18267 throw new IllegalArgumentException("Unknown package: " + packageName); 18268 } 18269 throw new IllegalArgumentException( 18270 "Unknown component: " + packageName + "/" + className); 18271 } 18272 } 18273 18274 // Limit who can change which apps 18275 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 18276 // Don't allow apps that don't have permission to modify other apps 18277 if (!allowedByPermission) { 18278 throw new SecurityException( 18279 "Permission Denial: attempt to change component state from pid=" 18280 + Binder.getCallingPid() 18281 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 18282 } 18283 // Don't allow changing protected packages. 18284 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 18285 throw new SecurityException("Cannot disable a protected package: " + packageName); 18286 } 18287 } 18288 18289 synchronized (mPackages) { 18290 if (uid == Process.SHELL_UID 18291 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 18292 // Shell can only change whole packages between ENABLED and DISABLED_USER states 18293 // unless it is a test package. 18294 int oldState = pkgSetting.getEnabled(userId); 18295 if (className == null 18296 && 18297 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 18298 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 18299 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 18300 && 18301 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18302 || newState == COMPONENT_ENABLED_STATE_DEFAULT 18303 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 18304 // ok 18305 } else { 18306 throw new SecurityException( 18307 "Shell cannot change component state for " + packageName + "/" 18308 + className + " to " + newState); 18309 } 18310 } 18311 if (className == null) { 18312 // We're dealing with an application/package level state change 18313 if (pkgSetting.getEnabled(userId) == newState) { 18314 // Nothing to do 18315 return; 18316 } 18317 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 18318 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 18319 // Don't care about who enables an app. 18320 callingPackage = null; 18321 } 18322 pkgSetting.setEnabled(newState, userId, callingPackage); 18323 // pkgSetting.pkg.mSetEnabled = newState; 18324 } else { 18325 // We're dealing with a component level state change 18326 // First, verify that this is a valid class name. 18327 PackageParser.Package pkg = pkgSetting.pkg; 18328 if (pkg == null || !pkg.hasComponentClassName(className)) { 18329 if (pkg != null && 18330 pkg.applicationInfo.targetSdkVersion >= 18331 Build.VERSION_CODES.JELLY_BEAN) { 18332 throw new IllegalArgumentException("Component class " + className 18333 + " does not exist in " + packageName); 18334 } else { 18335 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 18336 + className + " does not exist in " + packageName); 18337 } 18338 } 18339 switch (newState) { 18340 case COMPONENT_ENABLED_STATE_ENABLED: 18341 if (!pkgSetting.enableComponentLPw(className, userId)) { 18342 return; 18343 } 18344 break; 18345 case COMPONENT_ENABLED_STATE_DISABLED: 18346 if (!pkgSetting.disableComponentLPw(className, userId)) { 18347 return; 18348 } 18349 break; 18350 case COMPONENT_ENABLED_STATE_DEFAULT: 18351 if (!pkgSetting.restoreComponentLPw(className, userId)) { 18352 return; 18353 } 18354 break; 18355 default: 18356 Slog.e(TAG, "Invalid new component state: " + newState); 18357 return; 18358 } 18359 } 18360 scheduleWritePackageRestrictionsLocked(userId); 18361 components = mPendingBroadcasts.get(userId, packageName); 18362 final boolean newPackage = components == null; 18363 if (newPackage) { 18364 components = new ArrayList<String>(); 18365 } 18366 if (!components.contains(componentName)) { 18367 components.add(componentName); 18368 } 18369 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 18370 sendNow = true; 18371 // Purge entry from pending broadcast list if another one exists already 18372 // since we are sending one right away. 18373 mPendingBroadcasts.remove(userId, packageName); 18374 } else { 18375 if (newPackage) { 18376 mPendingBroadcasts.put(userId, packageName, components); 18377 } 18378 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 18379 // Schedule a message 18380 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 18381 } 18382 } 18383 } 18384 18385 long callingId = Binder.clearCallingIdentity(); 18386 try { 18387 if (sendNow) { 18388 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 18389 sendPackageChangedBroadcast(packageName, 18390 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 18391 } 18392 } finally { 18393 Binder.restoreCallingIdentity(callingId); 18394 } 18395 } 18396 18397 @Override 18398 public void flushPackageRestrictionsAsUser(int userId) { 18399 if (!sUserManager.exists(userId)) { 18400 return; 18401 } 18402 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 18403 false /* checkShell */, "flushPackageRestrictions"); 18404 synchronized (mPackages) { 18405 mSettings.writePackageRestrictionsLPr(userId); 18406 mDirtyUsers.remove(userId); 18407 if (mDirtyUsers.isEmpty()) { 18408 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 18409 } 18410 } 18411 } 18412 18413 private void sendPackageChangedBroadcast(String packageName, 18414 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 18415 if (DEBUG_INSTALL) 18416 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 18417 + componentNames); 18418 Bundle extras = new Bundle(4); 18419 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 18420 String nameList[] = new String[componentNames.size()]; 18421 componentNames.toArray(nameList); 18422 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 18423 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 18424 extras.putInt(Intent.EXTRA_UID, packageUid); 18425 // If this is not reporting a change of the overall package, then only send it 18426 // to registered receivers. We don't want to launch a swath of apps for every 18427 // little component state change. 18428 final int flags = !componentNames.contains(packageName) 18429 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 18430 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 18431 new int[] {UserHandle.getUserId(packageUid)}); 18432 } 18433 18434 @Override 18435 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 18436 if (!sUserManager.exists(userId)) return; 18437 final int uid = Binder.getCallingUid(); 18438 final int permission = mContext.checkCallingOrSelfPermission( 18439 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18440 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18441 enforceCrossUserPermission(uid, userId, 18442 true /* requireFullPermission */, true /* checkShell */, "stop package"); 18443 // writer 18444 synchronized (mPackages) { 18445 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 18446 allowedByPermission, uid, userId)) { 18447 scheduleWritePackageRestrictionsLocked(userId); 18448 } 18449 } 18450 } 18451 18452 @Override 18453 public String getInstallerPackageName(String packageName) { 18454 // reader 18455 synchronized (mPackages) { 18456 return mSettings.getInstallerPackageNameLPr(packageName); 18457 } 18458 } 18459 18460 public boolean isOrphaned(String packageName) { 18461 // reader 18462 synchronized (mPackages) { 18463 return mSettings.isOrphaned(packageName); 18464 } 18465 } 18466 18467 @Override 18468 public int getApplicationEnabledSetting(String packageName, int userId) { 18469 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18470 int uid = Binder.getCallingUid(); 18471 enforceCrossUserPermission(uid, userId, 18472 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18473 // reader 18474 synchronized (mPackages) { 18475 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18476 } 18477 } 18478 18479 @Override 18480 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18481 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18482 int uid = Binder.getCallingUid(); 18483 enforceCrossUserPermission(uid, userId, 18484 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18485 // reader 18486 synchronized (mPackages) { 18487 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18488 } 18489 } 18490 18491 @Override 18492 public void enterSafeMode() { 18493 enforceSystemOrRoot("Only the system can request entering safe mode"); 18494 18495 if (!mSystemReady) { 18496 mSafeMode = true; 18497 } 18498 } 18499 18500 @Override 18501 public void systemReady() { 18502 mSystemReady = true; 18503 18504 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18505 // disabled after already being started. 18506 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18507 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18508 18509 // Read the compatibilty setting when the system is ready. 18510 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18511 mContext.getContentResolver(), 18512 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18513 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18514 if (DEBUG_SETTINGS) { 18515 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18516 } 18517 18518 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18519 18520 synchronized (mPackages) { 18521 // Verify that all of the preferred activity components actually 18522 // exist. It is possible for applications to be updated and at 18523 // that point remove a previously declared activity component that 18524 // had been set as a preferred activity. We try to clean this up 18525 // the next time we encounter that preferred activity, but it is 18526 // possible for the user flow to never be able to return to that 18527 // situation so here we do a sanity check to make sure we haven't 18528 // left any junk around. 18529 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18530 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18531 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18532 removed.clear(); 18533 for (PreferredActivity pa : pir.filterSet()) { 18534 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18535 removed.add(pa); 18536 } 18537 } 18538 if (removed.size() > 0) { 18539 for (int r=0; r<removed.size(); r++) { 18540 PreferredActivity pa = removed.get(r); 18541 Slog.w(TAG, "Removing dangling preferred activity: " 18542 + pa.mPref.mComponent); 18543 pir.removeFilter(pa); 18544 } 18545 mSettings.writePackageRestrictionsLPr( 18546 mSettings.mPreferredActivities.keyAt(i)); 18547 } 18548 } 18549 18550 for (int userId : UserManagerService.getInstance().getUserIds()) { 18551 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18552 grantPermissionsUserIds = ArrayUtils.appendInt( 18553 grantPermissionsUserIds, userId); 18554 } 18555 } 18556 } 18557 sUserManager.systemReady(); 18558 18559 // If we upgraded grant all default permissions before kicking off. 18560 for (int userId : grantPermissionsUserIds) { 18561 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18562 } 18563 18564 // If we did not grant default permissions, we preload from this the 18565 // default permission exceptions lazily to ensure we don't hit the 18566 // disk on a new user creation. 18567 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18568 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18569 } 18570 18571 // Kick off any messages waiting for system ready 18572 if (mPostSystemReadyMessages != null) { 18573 for (Message msg : mPostSystemReadyMessages) { 18574 msg.sendToTarget(); 18575 } 18576 mPostSystemReadyMessages = null; 18577 } 18578 18579 // Watch for external volumes that come and go over time 18580 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18581 storage.registerListener(mStorageListener); 18582 18583 mInstallerService.systemReady(); 18584 mPackageDexOptimizer.systemReady(); 18585 18586 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 18587 StorageManagerInternal.class); 18588 StorageManagerInternal.addExternalStoragePolicy( 18589 new StorageManagerInternal.ExternalStorageMountPolicy() { 18590 @Override 18591 public int getMountMode(int uid, String packageName) { 18592 if (Process.isIsolated(uid)) { 18593 return Zygote.MOUNT_EXTERNAL_NONE; 18594 } 18595 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18596 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18597 } 18598 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18599 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18600 } 18601 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18602 return Zygote.MOUNT_EXTERNAL_READ; 18603 } 18604 return Zygote.MOUNT_EXTERNAL_WRITE; 18605 } 18606 18607 @Override 18608 public boolean hasExternalStorage(int uid, String packageName) { 18609 return true; 18610 } 18611 }); 18612 18613 // Now that we're mostly running, clean up stale users and apps 18614 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18615 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18616 } 18617 18618 @Override 18619 public boolean isSafeMode() { 18620 return mSafeMode; 18621 } 18622 18623 @Override 18624 public boolean hasSystemUidErrors() { 18625 return mHasSystemUidErrors; 18626 } 18627 18628 static String arrayToString(int[] array) { 18629 StringBuffer buf = new StringBuffer(128); 18630 buf.append('['); 18631 if (array != null) { 18632 for (int i=0; i<array.length; i++) { 18633 if (i > 0) buf.append(", "); 18634 buf.append(array[i]); 18635 } 18636 } 18637 buf.append(']'); 18638 return buf.toString(); 18639 } 18640 18641 static class DumpState { 18642 public static final int DUMP_LIBS = 1 << 0; 18643 public static final int DUMP_FEATURES = 1 << 1; 18644 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18645 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18646 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18647 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18648 public static final int DUMP_PERMISSIONS = 1 << 6; 18649 public static final int DUMP_PACKAGES = 1 << 7; 18650 public static final int DUMP_SHARED_USERS = 1 << 8; 18651 public static final int DUMP_MESSAGES = 1 << 9; 18652 public static final int DUMP_PROVIDERS = 1 << 10; 18653 public static final int DUMP_VERIFIERS = 1 << 11; 18654 public static final int DUMP_PREFERRED = 1 << 12; 18655 public static final int DUMP_PREFERRED_XML = 1 << 13; 18656 public static final int DUMP_KEYSETS = 1 << 14; 18657 public static final int DUMP_VERSION = 1 << 15; 18658 public static final int DUMP_INSTALLS = 1 << 16; 18659 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18660 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18661 public static final int DUMP_FROZEN = 1 << 19; 18662 public static final int DUMP_DEXOPT = 1 << 20; 18663 public static final int DUMP_COMPILER_STATS = 1 << 21; 18664 18665 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18666 18667 private int mTypes; 18668 18669 private int mOptions; 18670 18671 private boolean mTitlePrinted; 18672 18673 private SharedUserSetting mSharedUser; 18674 18675 public boolean isDumping(int type) { 18676 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18677 return true; 18678 } 18679 18680 return (mTypes & type) != 0; 18681 } 18682 18683 public void setDump(int type) { 18684 mTypes |= type; 18685 } 18686 18687 public boolean isOptionEnabled(int option) { 18688 return (mOptions & option) != 0; 18689 } 18690 18691 public void setOptionEnabled(int option) { 18692 mOptions |= option; 18693 } 18694 18695 public boolean onTitlePrinted() { 18696 final boolean printed = mTitlePrinted; 18697 mTitlePrinted = true; 18698 return printed; 18699 } 18700 18701 public boolean getTitlePrinted() { 18702 return mTitlePrinted; 18703 } 18704 18705 public void setTitlePrinted(boolean enabled) { 18706 mTitlePrinted = enabled; 18707 } 18708 18709 public SharedUserSetting getSharedUser() { 18710 return mSharedUser; 18711 } 18712 18713 public void setSharedUser(SharedUserSetting user) { 18714 mSharedUser = user; 18715 } 18716 } 18717 18718 @Override 18719 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18720 FileDescriptor err, String[] args, ShellCallback callback, 18721 ResultReceiver resultReceiver) { 18722 (new PackageManagerShellCommand(this)).exec( 18723 this, in, out, err, args, callback, resultReceiver); 18724 } 18725 18726 @Override 18727 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18728 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18729 != PackageManager.PERMISSION_GRANTED) { 18730 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18731 + Binder.getCallingPid() 18732 + ", uid=" + Binder.getCallingUid() 18733 + " without permission " 18734 + android.Manifest.permission.DUMP); 18735 return; 18736 } 18737 18738 DumpState dumpState = new DumpState(); 18739 boolean fullPreferred = false; 18740 boolean checkin = false; 18741 18742 String packageName = null; 18743 ArraySet<String> permissionNames = null; 18744 18745 int opti = 0; 18746 while (opti < args.length) { 18747 String opt = args[opti]; 18748 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18749 break; 18750 } 18751 opti++; 18752 18753 if ("-a".equals(opt)) { 18754 // Right now we only know how to print all. 18755 } else if ("-h".equals(opt)) { 18756 pw.println("Package manager dump options:"); 18757 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18758 pw.println(" --checkin: dump for a checkin"); 18759 pw.println(" -f: print details of intent filters"); 18760 pw.println(" -h: print this help"); 18761 pw.println(" cmd may be one of:"); 18762 pw.println(" l[ibraries]: list known shared libraries"); 18763 pw.println(" f[eatures]: list device features"); 18764 pw.println(" k[eysets]: print known keysets"); 18765 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18766 pw.println(" perm[issions]: dump permissions"); 18767 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18768 pw.println(" pref[erred]: print preferred package settings"); 18769 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18770 pw.println(" prov[iders]: dump content providers"); 18771 pw.println(" p[ackages]: dump installed packages"); 18772 pw.println(" s[hared-users]: dump shared user IDs"); 18773 pw.println(" m[essages]: print collected runtime messages"); 18774 pw.println(" v[erifiers]: print package verifier info"); 18775 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18776 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18777 pw.println(" version: print database version info"); 18778 pw.println(" write: write current settings now"); 18779 pw.println(" installs: details about install sessions"); 18780 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18781 pw.println(" dexopt: dump dexopt state"); 18782 pw.println(" compiler-stats: dump compiler statistics"); 18783 pw.println(" <package.name>: info about given package"); 18784 return; 18785 } else if ("--checkin".equals(opt)) { 18786 checkin = true; 18787 } else if ("-f".equals(opt)) { 18788 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18789 } else { 18790 pw.println("Unknown argument: " + opt + "; use -h for help"); 18791 } 18792 } 18793 18794 // Is the caller requesting to dump a particular piece of data? 18795 if (opti < args.length) { 18796 String cmd = args[opti]; 18797 opti++; 18798 // Is this a package name? 18799 if ("android".equals(cmd) || cmd.contains(".")) { 18800 packageName = cmd; 18801 // When dumping a single package, we always dump all of its 18802 // filter information since the amount of data will be reasonable. 18803 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18804 } else if ("check-permission".equals(cmd)) { 18805 if (opti >= args.length) { 18806 pw.println("Error: check-permission missing permission argument"); 18807 return; 18808 } 18809 String perm = args[opti]; 18810 opti++; 18811 if (opti >= args.length) { 18812 pw.println("Error: check-permission missing package argument"); 18813 return; 18814 } 18815 String pkg = args[opti]; 18816 opti++; 18817 int user = UserHandle.getUserId(Binder.getCallingUid()); 18818 if (opti < args.length) { 18819 try { 18820 user = Integer.parseInt(args[opti]); 18821 } catch (NumberFormatException e) { 18822 pw.println("Error: check-permission user argument is not a number: " 18823 + args[opti]); 18824 return; 18825 } 18826 } 18827 pw.println(checkPermission(perm, pkg, user)); 18828 return; 18829 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18830 dumpState.setDump(DumpState.DUMP_LIBS); 18831 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18832 dumpState.setDump(DumpState.DUMP_FEATURES); 18833 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18834 if (opti >= args.length) { 18835 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18836 | DumpState.DUMP_SERVICE_RESOLVERS 18837 | DumpState.DUMP_RECEIVER_RESOLVERS 18838 | DumpState.DUMP_CONTENT_RESOLVERS); 18839 } else { 18840 while (opti < args.length) { 18841 String name = args[opti]; 18842 if ("a".equals(name) || "activity".equals(name)) { 18843 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18844 } else if ("s".equals(name) || "service".equals(name)) { 18845 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18846 } else if ("r".equals(name) || "receiver".equals(name)) { 18847 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18848 } else if ("c".equals(name) || "content".equals(name)) { 18849 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18850 } else { 18851 pw.println("Error: unknown resolver table type: " + name); 18852 return; 18853 } 18854 opti++; 18855 } 18856 } 18857 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18858 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18859 } else if ("permission".equals(cmd)) { 18860 if (opti >= args.length) { 18861 pw.println("Error: permission requires permission name"); 18862 return; 18863 } 18864 permissionNames = new ArraySet<>(); 18865 while (opti < args.length) { 18866 permissionNames.add(args[opti]); 18867 opti++; 18868 } 18869 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18870 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18871 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18872 dumpState.setDump(DumpState.DUMP_PREFERRED); 18873 } else if ("preferred-xml".equals(cmd)) { 18874 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18875 if (opti < args.length && "--full".equals(args[opti])) { 18876 fullPreferred = true; 18877 opti++; 18878 } 18879 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18880 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18881 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18882 dumpState.setDump(DumpState.DUMP_PACKAGES); 18883 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18884 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18885 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18886 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18887 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18888 dumpState.setDump(DumpState.DUMP_MESSAGES); 18889 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18890 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18891 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18892 || "intent-filter-verifiers".equals(cmd)) { 18893 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18894 } else if ("version".equals(cmd)) { 18895 dumpState.setDump(DumpState.DUMP_VERSION); 18896 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18897 dumpState.setDump(DumpState.DUMP_KEYSETS); 18898 } else if ("installs".equals(cmd)) { 18899 dumpState.setDump(DumpState.DUMP_INSTALLS); 18900 } else if ("frozen".equals(cmd)) { 18901 dumpState.setDump(DumpState.DUMP_FROZEN); 18902 } else if ("dexopt".equals(cmd)) { 18903 dumpState.setDump(DumpState.DUMP_DEXOPT); 18904 } else if ("compiler-stats".equals(cmd)) { 18905 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18906 } else if ("write".equals(cmd)) { 18907 synchronized (mPackages) { 18908 mSettings.writeLPr(); 18909 pw.println("Settings written."); 18910 return; 18911 } 18912 } 18913 } 18914 18915 if (checkin) { 18916 pw.println("vers,1"); 18917 } 18918 18919 // reader 18920 synchronized (mPackages) { 18921 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18922 if (!checkin) { 18923 if (dumpState.onTitlePrinted()) 18924 pw.println(); 18925 pw.println("Database versions:"); 18926 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18927 } 18928 } 18929 18930 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18931 if (!checkin) { 18932 if (dumpState.onTitlePrinted()) 18933 pw.println(); 18934 pw.println("Verifiers:"); 18935 pw.print(" Required: "); 18936 pw.print(mRequiredVerifierPackage); 18937 pw.print(" (uid="); 18938 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18939 UserHandle.USER_SYSTEM)); 18940 pw.println(")"); 18941 } else if (mRequiredVerifierPackage != null) { 18942 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18943 pw.print(","); 18944 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18945 UserHandle.USER_SYSTEM)); 18946 } 18947 } 18948 18949 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18950 packageName == null) { 18951 if (mIntentFilterVerifierComponent != null) { 18952 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18953 if (!checkin) { 18954 if (dumpState.onTitlePrinted()) 18955 pw.println(); 18956 pw.println("Intent Filter Verifier:"); 18957 pw.print(" Using: "); 18958 pw.print(verifierPackageName); 18959 pw.print(" (uid="); 18960 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18961 UserHandle.USER_SYSTEM)); 18962 pw.println(")"); 18963 } else if (verifierPackageName != null) { 18964 pw.print("ifv,"); pw.print(verifierPackageName); 18965 pw.print(","); 18966 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18967 UserHandle.USER_SYSTEM)); 18968 } 18969 } else { 18970 pw.println(); 18971 pw.println("No Intent Filter Verifier available!"); 18972 } 18973 } 18974 18975 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18976 boolean printedHeader = false; 18977 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18978 while (it.hasNext()) { 18979 String name = it.next(); 18980 SharedLibraryEntry ent = mSharedLibraries.get(name); 18981 if (!checkin) { 18982 if (!printedHeader) { 18983 if (dumpState.onTitlePrinted()) 18984 pw.println(); 18985 pw.println("Libraries:"); 18986 printedHeader = true; 18987 } 18988 pw.print(" "); 18989 } else { 18990 pw.print("lib,"); 18991 } 18992 pw.print(name); 18993 if (!checkin) { 18994 pw.print(" -> "); 18995 } 18996 if (ent.path != null) { 18997 if (!checkin) { 18998 pw.print("(jar) "); 18999 pw.print(ent.path); 19000 } else { 19001 pw.print(",jar,"); 19002 pw.print(ent.path); 19003 } 19004 } else { 19005 if (!checkin) { 19006 pw.print("(apk) "); 19007 pw.print(ent.apk); 19008 } else { 19009 pw.print(",apk,"); 19010 pw.print(ent.apk); 19011 } 19012 } 19013 pw.println(); 19014 } 19015 } 19016 19017 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 19018 if (dumpState.onTitlePrinted()) 19019 pw.println(); 19020 if (!checkin) { 19021 pw.println("Features:"); 19022 } 19023 19024 for (FeatureInfo feat : mAvailableFeatures.values()) { 19025 if (checkin) { 19026 pw.print("feat,"); 19027 pw.print(feat.name); 19028 pw.print(","); 19029 pw.println(feat.version); 19030 } else { 19031 pw.print(" "); 19032 pw.print(feat.name); 19033 if (feat.version > 0) { 19034 pw.print(" version="); 19035 pw.print(feat.version); 19036 } 19037 pw.println(); 19038 } 19039 } 19040 } 19041 19042 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 19043 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 19044 : "Activity Resolver Table:", " ", packageName, 19045 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19046 dumpState.setTitlePrinted(true); 19047 } 19048 } 19049 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 19050 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 19051 : "Receiver Resolver Table:", " ", packageName, 19052 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19053 dumpState.setTitlePrinted(true); 19054 } 19055 } 19056 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 19057 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 19058 : "Service Resolver Table:", " ", packageName, 19059 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19060 dumpState.setTitlePrinted(true); 19061 } 19062 } 19063 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 19064 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 19065 : "Provider Resolver Table:", " ", packageName, 19066 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19067 dumpState.setTitlePrinted(true); 19068 } 19069 } 19070 19071 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 19072 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19073 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19074 int user = mSettings.mPreferredActivities.keyAt(i); 19075 if (pir.dump(pw, 19076 dumpState.getTitlePrinted() 19077 ? "\nPreferred Activities User " + user + ":" 19078 : "Preferred Activities User " + user + ":", " ", 19079 packageName, true, false)) { 19080 dumpState.setTitlePrinted(true); 19081 } 19082 } 19083 } 19084 19085 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 19086 pw.flush(); 19087 FileOutputStream fout = new FileOutputStream(fd); 19088 BufferedOutputStream str = new BufferedOutputStream(fout); 19089 XmlSerializer serializer = new FastXmlSerializer(); 19090 try { 19091 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 19092 serializer.startDocument(null, true); 19093 serializer.setFeature( 19094 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 19095 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 19096 serializer.endDocument(); 19097 serializer.flush(); 19098 } catch (IllegalArgumentException e) { 19099 pw.println("Failed writing: " + e); 19100 } catch (IllegalStateException e) { 19101 pw.println("Failed writing: " + e); 19102 } catch (IOException e) { 19103 pw.println("Failed writing: " + e); 19104 } 19105 } 19106 19107 if (!checkin 19108 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 19109 && packageName == null) { 19110 pw.println(); 19111 int count = mSettings.mPackages.size(); 19112 if (count == 0) { 19113 pw.println("No applications!"); 19114 pw.println(); 19115 } else { 19116 final String prefix = " "; 19117 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 19118 if (allPackageSettings.size() == 0) { 19119 pw.println("No domain preferred apps!"); 19120 pw.println(); 19121 } else { 19122 pw.println("App verification status:"); 19123 pw.println(); 19124 count = 0; 19125 for (PackageSetting ps : allPackageSettings) { 19126 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 19127 if (ivi == null || ivi.getPackageName() == null) continue; 19128 pw.println(prefix + "Package: " + ivi.getPackageName()); 19129 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 19130 pw.println(prefix + "Status: " + ivi.getStatusString()); 19131 pw.println(); 19132 count++; 19133 } 19134 if (count == 0) { 19135 pw.println(prefix + "No app verification established."); 19136 pw.println(); 19137 } 19138 for (int userId : sUserManager.getUserIds()) { 19139 pw.println("App linkages for user " + userId + ":"); 19140 pw.println(); 19141 count = 0; 19142 for (PackageSetting ps : allPackageSettings) { 19143 final long status = ps.getDomainVerificationStatusForUser(userId); 19144 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 19145 continue; 19146 } 19147 pw.println(prefix + "Package: " + ps.name); 19148 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 19149 String statusStr = IntentFilterVerificationInfo. 19150 getStatusStringFromValue(status); 19151 pw.println(prefix + "Status: " + statusStr); 19152 pw.println(); 19153 count++; 19154 } 19155 if (count == 0) { 19156 pw.println(prefix + "No configured app linkages."); 19157 pw.println(); 19158 } 19159 } 19160 } 19161 } 19162 } 19163 19164 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 19165 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 19166 if (packageName == null && permissionNames == null) { 19167 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 19168 if (iperm == 0) { 19169 if (dumpState.onTitlePrinted()) 19170 pw.println(); 19171 pw.println("AppOp Permissions:"); 19172 } 19173 pw.print(" AppOp Permission "); 19174 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 19175 pw.println(":"); 19176 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 19177 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 19178 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 19179 } 19180 } 19181 } 19182 } 19183 19184 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 19185 boolean printedSomething = false; 19186 for (PackageParser.Provider p : mProviders.mProviders.values()) { 19187 if (packageName != null && !packageName.equals(p.info.packageName)) { 19188 continue; 19189 } 19190 if (!printedSomething) { 19191 if (dumpState.onTitlePrinted()) 19192 pw.println(); 19193 pw.println("Registered ContentProviders:"); 19194 printedSomething = true; 19195 } 19196 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 19197 pw.print(" "); pw.println(p.toString()); 19198 } 19199 printedSomething = false; 19200 for (Map.Entry<String, PackageParser.Provider> entry : 19201 mProvidersByAuthority.entrySet()) { 19202 PackageParser.Provider p = entry.getValue(); 19203 if (packageName != null && !packageName.equals(p.info.packageName)) { 19204 continue; 19205 } 19206 if (!printedSomething) { 19207 if (dumpState.onTitlePrinted()) 19208 pw.println(); 19209 pw.println("ContentProvider Authorities:"); 19210 printedSomething = true; 19211 } 19212 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 19213 pw.print(" "); pw.println(p.toString()); 19214 if (p.info != null && p.info.applicationInfo != null) { 19215 final String appInfo = p.info.applicationInfo.toString(); 19216 pw.print(" applicationInfo="); pw.println(appInfo); 19217 } 19218 } 19219 } 19220 19221 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 19222 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 19223 } 19224 19225 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 19226 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 19227 } 19228 19229 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 19230 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 19231 } 19232 19233 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 19234 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 19235 } 19236 19237 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 19238 // XXX should handle packageName != null by dumping only install data that 19239 // the given package is involved with. 19240 if (dumpState.onTitlePrinted()) pw.println(); 19241 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 19242 } 19243 19244 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 19245 // XXX should handle packageName != null by dumping only install data that 19246 // the given package is involved with. 19247 if (dumpState.onTitlePrinted()) pw.println(); 19248 19249 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19250 ipw.println(); 19251 ipw.println("Frozen packages:"); 19252 ipw.increaseIndent(); 19253 if (mFrozenPackages.size() == 0) { 19254 ipw.println("(none)"); 19255 } else { 19256 for (int i = 0; i < mFrozenPackages.size(); i++) { 19257 ipw.println(mFrozenPackages.valueAt(i)); 19258 } 19259 } 19260 ipw.decreaseIndent(); 19261 } 19262 19263 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 19264 if (dumpState.onTitlePrinted()) pw.println(); 19265 dumpDexoptStateLPr(pw, packageName); 19266 } 19267 19268 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 19269 if (dumpState.onTitlePrinted()) pw.println(); 19270 dumpCompilerStatsLPr(pw, packageName); 19271 } 19272 19273 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 19274 if (dumpState.onTitlePrinted()) pw.println(); 19275 mSettings.dumpReadMessagesLPr(pw, dumpState); 19276 19277 pw.println(); 19278 pw.println("Package warning messages:"); 19279 BufferedReader in = null; 19280 String line = null; 19281 try { 19282 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19283 while ((line = in.readLine()) != null) { 19284 if (line.contains("ignored: updated version")) continue; 19285 pw.println(line); 19286 } 19287 } catch (IOException ignored) { 19288 } finally { 19289 IoUtils.closeQuietly(in); 19290 } 19291 } 19292 19293 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 19294 BufferedReader in = null; 19295 String line = null; 19296 try { 19297 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19298 while ((line = in.readLine()) != null) { 19299 if (line.contains("ignored: updated version")) continue; 19300 pw.print("msg,"); 19301 pw.println(line); 19302 } 19303 } catch (IOException ignored) { 19304 } finally { 19305 IoUtils.closeQuietly(in); 19306 } 19307 } 19308 } 19309 } 19310 19311 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 19312 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19313 ipw.println(); 19314 ipw.println("Dexopt state:"); 19315 ipw.increaseIndent(); 19316 Collection<PackageParser.Package> packages = null; 19317 if (packageName != null) { 19318 PackageParser.Package targetPackage = mPackages.get(packageName); 19319 if (targetPackage != null) { 19320 packages = Collections.singletonList(targetPackage); 19321 } else { 19322 ipw.println("Unable to find package: " + packageName); 19323 return; 19324 } 19325 } else { 19326 packages = mPackages.values(); 19327 } 19328 19329 for (PackageParser.Package pkg : packages) { 19330 ipw.println("[" + pkg.packageName + "]"); 19331 ipw.increaseIndent(); 19332 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 19333 ipw.decreaseIndent(); 19334 } 19335 } 19336 19337 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 19338 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19339 ipw.println(); 19340 ipw.println("Compiler stats:"); 19341 ipw.increaseIndent(); 19342 Collection<PackageParser.Package> packages = null; 19343 if (packageName != null) { 19344 PackageParser.Package targetPackage = mPackages.get(packageName); 19345 if (targetPackage != null) { 19346 packages = Collections.singletonList(targetPackage); 19347 } else { 19348 ipw.println("Unable to find package: " + packageName); 19349 return; 19350 } 19351 } else { 19352 packages = mPackages.values(); 19353 } 19354 19355 for (PackageParser.Package pkg : packages) { 19356 ipw.println("[" + pkg.packageName + "]"); 19357 ipw.increaseIndent(); 19358 19359 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 19360 if (stats == null) { 19361 ipw.println("(No recorded stats)"); 19362 } else { 19363 stats.dump(ipw); 19364 } 19365 ipw.decreaseIndent(); 19366 } 19367 } 19368 19369 private String dumpDomainString(String packageName) { 19370 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 19371 .getList(); 19372 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 19373 19374 ArraySet<String> result = new ArraySet<>(); 19375 if (iviList.size() > 0) { 19376 for (IntentFilterVerificationInfo ivi : iviList) { 19377 for (String host : ivi.getDomains()) { 19378 result.add(host); 19379 } 19380 } 19381 } 19382 if (filters != null && filters.size() > 0) { 19383 for (IntentFilter filter : filters) { 19384 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 19385 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 19386 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 19387 result.addAll(filter.getHostsList()); 19388 } 19389 } 19390 } 19391 19392 StringBuilder sb = new StringBuilder(result.size() * 16); 19393 for (String domain : result) { 19394 if (sb.length() > 0) sb.append(" "); 19395 sb.append(domain); 19396 } 19397 return sb.toString(); 19398 } 19399 19400 // ------- apps on sdcard specific code ------- 19401 static final boolean DEBUG_SD_INSTALL = false; 19402 19403 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 19404 19405 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 19406 19407 private boolean mMediaMounted = false; 19408 19409 static String getEncryptKey() { 19410 try { 19411 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 19412 SD_ENCRYPTION_KEYSTORE_NAME); 19413 if (sdEncKey == null) { 19414 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 19415 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 19416 if (sdEncKey == null) { 19417 Slog.e(TAG, "Failed to create encryption keys"); 19418 return null; 19419 } 19420 } 19421 return sdEncKey; 19422 } catch (NoSuchAlgorithmException nsae) { 19423 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 19424 return null; 19425 } catch (IOException ioe) { 19426 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 19427 return null; 19428 } 19429 } 19430 19431 /* 19432 * Update media status on PackageManager. 19433 */ 19434 @Override 19435 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 19436 int callingUid = Binder.getCallingUid(); 19437 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 19438 throw new SecurityException("Media status can only be updated by the system"); 19439 } 19440 // reader; this apparently protects mMediaMounted, but should probably 19441 // be a different lock in that case. 19442 synchronized (mPackages) { 19443 Log.i(TAG, "Updating external media status from " 19444 + (mMediaMounted ? "mounted" : "unmounted") + " to " 19445 + (mediaStatus ? "mounted" : "unmounted")); 19446 if (DEBUG_SD_INSTALL) 19447 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 19448 + ", mMediaMounted=" + mMediaMounted); 19449 if (mediaStatus == mMediaMounted) { 19450 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 19451 : 0, -1); 19452 mHandler.sendMessage(msg); 19453 return; 19454 } 19455 mMediaMounted = mediaStatus; 19456 } 19457 // Queue up an async operation since the package installation may take a 19458 // little while. 19459 mHandler.post(new Runnable() { 19460 public void run() { 19461 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 19462 } 19463 }); 19464 } 19465 19466 /** 19467 * Called by StorageManagerService when the initial ASECs to scan are available. 19468 * Should block until all the ASEC containers are finished being scanned. 19469 */ 19470 public void scanAvailableAsecs() { 19471 updateExternalMediaStatusInner(true, false, false); 19472 } 19473 19474 /* 19475 * Collect information of applications on external media, map them against 19476 * existing containers and update information based on current mount status. 19477 * Please note that we always have to report status if reportStatus has been 19478 * set to true especially when unloading packages. 19479 */ 19480 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 19481 boolean externalStorage) { 19482 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 19483 int[] uidArr = EmptyArray.INT; 19484 19485 final String[] list = PackageHelper.getSecureContainerList(); 19486 if (ArrayUtils.isEmpty(list)) { 19487 Log.i(TAG, "No secure containers found"); 19488 } else { 19489 // Process list of secure containers and categorize them 19490 // as active or stale based on their package internal state. 19491 19492 // reader 19493 synchronized (mPackages) { 19494 for (String cid : list) { 19495 // Leave stages untouched for now; installer service owns them 19496 if (PackageInstallerService.isStageName(cid)) continue; 19497 19498 if (DEBUG_SD_INSTALL) 19499 Log.i(TAG, "Processing container " + cid); 19500 String pkgName = getAsecPackageName(cid); 19501 if (pkgName == null) { 19502 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19503 continue; 19504 } 19505 if (DEBUG_SD_INSTALL) 19506 Log.i(TAG, "Looking for pkg : " + pkgName); 19507 19508 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19509 if (ps == null) { 19510 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19511 continue; 19512 } 19513 19514 /* 19515 * Skip packages that are not external if we're unmounting 19516 * external storage. 19517 */ 19518 if (externalStorage && !isMounted && !isExternal(ps)) { 19519 continue; 19520 } 19521 19522 final AsecInstallArgs args = new AsecInstallArgs(cid, 19523 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19524 // The package status is changed only if the code path 19525 // matches between settings and the container id. 19526 if (ps.codePathString != null 19527 && ps.codePathString.startsWith(args.getCodePath())) { 19528 if (DEBUG_SD_INSTALL) { 19529 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19530 + " at code path: " + ps.codePathString); 19531 } 19532 19533 // We do have a valid package installed on sdcard 19534 processCids.put(args, ps.codePathString); 19535 final int uid = ps.appId; 19536 if (uid != -1) { 19537 uidArr = ArrayUtils.appendInt(uidArr, uid); 19538 } 19539 } else { 19540 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19541 + ps.codePathString); 19542 } 19543 } 19544 } 19545 19546 Arrays.sort(uidArr); 19547 } 19548 19549 // Process packages with valid entries. 19550 if (isMounted) { 19551 if (DEBUG_SD_INSTALL) 19552 Log.i(TAG, "Loading packages"); 19553 loadMediaPackages(processCids, uidArr, externalStorage); 19554 startCleaningPackages(); 19555 mInstallerService.onSecureContainersAvailable(); 19556 } else { 19557 if (DEBUG_SD_INSTALL) 19558 Log.i(TAG, "Unloading packages"); 19559 unloadMediaPackages(processCids, uidArr, reportStatus); 19560 } 19561 } 19562 19563 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19564 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19565 final int size = infos.size(); 19566 final String[] packageNames = new String[size]; 19567 final int[] packageUids = new int[size]; 19568 for (int i = 0; i < size; i++) { 19569 final ApplicationInfo info = infos.get(i); 19570 packageNames[i] = info.packageName; 19571 packageUids[i] = info.uid; 19572 } 19573 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19574 finishedReceiver); 19575 } 19576 19577 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19578 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19579 sendResourcesChangedBroadcast(mediaStatus, replacing, 19580 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19581 } 19582 19583 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19584 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19585 int size = pkgList.length; 19586 if (size > 0) { 19587 // Send broadcasts here 19588 Bundle extras = new Bundle(); 19589 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19590 if (uidArr != null) { 19591 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19592 } 19593 if (replacing) { 19594 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19595 } 19596 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19597 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19598 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19599 } 19600 } 19601 19602 /* 19603 * Look at potentially valid container ids from processCids If package 19604 * information doesn't match the one on record or package scanning fails, 19605 * the cid is added to list of removeCids. We currently don't delete stale 19606 * containers. 19607 */ 19608 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19609 boolean externalStorage) { 19610 ArrayList<String> pkgList = new ArrayList<String>(); 19611 Set<AsecInstallArgs> keys = processCids.keySet(); 19612 19613 for (AsecInstallArgs args : keys) { 19614 String codePath = processCids.get(args); 19615 if (DEBUG_SD_INSTALL) 19616 Log.i(TAG, "Loading container : " + args.cid); 19617 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19618 try { 19619 // Make sure there are no container errors first. 19620 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19621 Slog.e(TAG, "Failed to mount cid : " + args.cid 19622 + " when installing from sdcard"); 19623 continue; 19624 } 19625 // Check code path here. 19626 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19627 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19628 + " does not match one in settings " + codePath); 19629 continue; 19630 } 19631 // Parse package 19632 int parseFlags = mDefParseFlags; 19633 if (args.isExternalAsec()) { 19634 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19635 } 19636 if (args.isFwdLocked()) { 19637 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19638 } 19639 19640 synchronized (mInstallLock) { 19641 PackageParser.Package pkg = null; 19642 try { 19643 // Sadly we don't know the package name yet to freeze it 19644 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19645 SCAN_IGNORE_FROZEN, 0, null); 19646 } catch (PackageManagerException e) { 19647 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19648 } 19649 // Scan the package 19650 if (pkg != null) { 19651 /* 19652 * TODO why is the lock being held? doPostInstall is 19653 * called in other places without the lock. This needs 19654 * to be straightened out. 19655 */ 19656 // writer 19657 synchronized (mPackages) { 19658 retCode = PackageManager.INSTALL_SUCCEEDED; 19659 pkgList.add(pkg.packageName); 19660 // Post process args 19661 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19662 pkg.applicationInfo.uid); 19663 } 19664 } else { 19665 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19666 } 19667 } 19668 19669 } finally { 19670 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19671 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19672 } 19673 } 19674 } 19675 // writer 19676 synchronized (mPackages) { 19677 // If the platform SDK has changed since the last time we booted, 19678 // we need to re-grant app permission to catch any new ones that 19679 // appear. This is really a hack, and means that apps can in some 19680 // cases get permissions that the user didn't initially explicitly 19681 // allow... it would be nice to have some better way to handle 19682 // this situation. 19683 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19684 : mSettings.getInternalVersion(); 19685 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19686 : StorageManager.UUID_PRIVATE_INTERNAL; 19687 19688 int updateFlags = UPDATE_PERMISSIONS_ALL; 19689 if (ver.sdkVersion != mSdkVersion) { 19690 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19691 + mSdkVersion + "; regranting permissions for external"); 19692 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19693 } 19694 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19695 19696 // Yay, everything is now upgraded 19697 ver.forceCurrent(); 19698 19699 // can downgrade to reader 19700 // Persist settings 19701 mSettings.writeLPr(); 19702 } 19703 // Send a broadcast to let everyone know we are done processing 19704 if (pkgList.size() > 0) { 19705 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19706 } 19707 } 19708 19709 /* 19710 * Utility method to unload a list of specified containers 19711 */ 19712 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19713 // Just unmount all valid containers. 19714 for (AsecInstallArgs arg : cidArgs) { 19715 synchronized (mInstallLock) { 19716 arg.doPostDeleteLI(false); 19717 } 19718 } 19719 } 19720 19721 /* 19722 * Unload packages mounted on external media. This involves deleting package 19723 * data from internal structures, sending broadcasts about disabled packages, 19724 * gc'ing to free up references, unmounting all secure containers 19725 * corresponding to packages on external media, and posting a 19726 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19727 * that we always have to post this message if status has been requested no 19728 * matter what. 19729 */ 19730 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19731 final boolean reportStatus) { 19732 if (DEBUG_SD_INSTALL) 19733 Log.i(TAG, "unloading media packages"); 19734 ArrayList<String> pkgList = new ArrayList<String>(); 19735 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19736 final Set<AsecInstallArgs> keys = processCids.keySet(); 19737 for (AsecInstallArgs args : keys) { 19738 String pkgName = args.getPackageName(); 19739 if (DEBUG_SD_INSTALL) 19740 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19741 // Delete package internally 19742 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19743 synchronized (mInstallLock) { 19744 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19745 final boolean res; 19746 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19747 "unloadMediaPackages")) { 19748 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19749 null); 19750 } 19751 if (res) { 19752 pkgList.add(pkgName); 19753 } else { 19754 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19755 failedList.add(args); 19756 } 19757 } 19758 } 19759 19760 // reader 19761 synchronized (mPackages) { 19762 // We didn't update the settings after removing each package; 19763 // write them now for all packages. 19764 mSettings.writeLPr(); 19765 } 19766 19767 // We have to absolutely send UPDATED_MEDIA_STATUS only 19768 // after confirming that all the receivers processed the ordered 19769 // broadcast when packages get disabled, force a gc to clean things up. 19770 // and unload all the containers. 19771 if (pkgList.size() > 0) { 19772 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19773 new IIntentReceiver.Stub() { 19774 public void performReceive(Intent intent, int resultCode, String data, 19775 Bundle extras, boolean ordered, boolean sticky, 19776 int sendingUser) throws RemoteException { 19777 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19778 reportStatus ? 1 : 0, 1, keys); 19779 mHandler.sendMessage(msg); 19780 } 19781 }); 19782 } else { 19783 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19784 keys); 19785 mHandler.sendMessage(msg); 19786 } 19787 } 19788 19789 private void loadPrivatePackages(final VolumeInfo vol) { 19790 mHandler.post(new Runnable() { 19791 @Override 19792 public void run() { 19793 loadPrivatePackagesInner(vol); 19794 } 19795 }); 19796 } 19797 19798 private void loadPrivatePackagesInner(VolumeInfo vol) { 19799 final String volumeUuid = vol.fsUuid; 19800 if (TextUtils.isEmpty(volumeUuid)) { 19801 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19802 return; 19803 } 19804 19805 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19806 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19807 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19808 19809 final VersionInfo ver; 19810 final List<PackageSetting> packages; 19811 synchronized (mPackages) { 19812 ver = mSettings.findOrCreateVersion(volumeUuid); 19813 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19814 } 19815 19816 for (PackageSetting ps : packages) { 19817 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19818 synchronized (mInstallLock) { 19819 final PackageParser.Package pkg; 19820 try { 19821 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19822 loaded.add(pkg.applicationInfo); 19823 19824 } catch (PackageManagerException e) { 19825 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19826 } 19827 19828 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19829 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19830 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19831 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19832 } 19833 } 19834 } 19835 19836 // Reconcile app data for all started/unlocked users 19837 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19838 final UserManager um = mContext.getSystemService(UserManager.class); 19839 UserManagerInternal umInternal = getUserManagerInternal(); 19840 for (UserInfo user : um.getUsers()) { 19841 final int flags; 19842 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19843 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19844 } else if (umInternal.isUserRunning(user.id)) { 19845 flags = StorageManager.FLAG_STORAGE_DE; 19846 } else { 19847 continue; 19848 } 19849 19850 try { 19851 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19852 synchronized (mInstallLock) { 19853 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 19854 } 19855 } catch (IllegalStateException e) { 19856 // Device was probably ejected, and we'll process that event momentarily 19857 Slog.w(TAG, "Failed to prepare storage: " + e); 19858 } 19859 } 19860 19861 synchronized (mPackages) { 19862 int updateFlags = UPDATE_PERMISSIONS_ALL; 19863 if (ver.sdkVersion != mSdkVersion) { 19864 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19865 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19866 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19867 } 19868 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19869 19870 // Yay, everything is now upgraded 19871 ver.forceCurrent(); 19872 19873 mSettings.writeLPr(); 19874 } 19875 19876 for (PackageFreezer freezer : freezers) { 19877 freezer.close(); 19878 } 19879 19880 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19881 sendResourcesChangedBroadcast(true, false, loaded, null); 19882 } 19883 19884 private void unloadPrivatePackages(final VolumeInfo vol) { 19885 mHandler.post(new Runnable() { 19886 @Override 19887 public void run() { 19888 unloadPrivatePackagesInner(vol); 19889 } 19890 }); 19891 } 19892 19893 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19894 final String volumeUuid = vol.fsUuid; 19895 if (TextUtils.isEmpty(volumeUuid)) { 19896 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19897 return; 19898 } 19899 19900 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19901 synchronized (mInstallLock) { 19902 synchronized (mPackages) { 19903 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19904 for (PackageSetting ps : packages) { 19905 if (ps.pkg == null) continue; 19906 19907 final ApplicationInfo info = ps.pkg.applicationInfo; 19908 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19909 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19910 19911 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19912 "unloadPrivatePackagesInner")) { 19913 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19914 false, null)) { 19915 unloaded.add(info); 19916 } else { 19917 Slog.w(TAG, "Failed to unload " + ps.codePath); 19918 } 19919 } 19920 19921 // Try very hard to release any references to this package 19922 // so we don't risk the system server being killed due to 19923 // open FDs 19924 AttributeCache.instance().removePackage(ps.name); 19925 } 19926 19927 mSettings.writeLPr(); 19928 } 19929 } 19930 19931 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19932 sendResourcesChangedBroadcast(false, false, unloaded, null); 19933 19934 // Try very hard to release any references to this path so we don't risk 19935 // the system server being killed due to open FDs 19936 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19937 19938 for (int i = 0; i < 3; i++) { 19939 System.gc(); 19940 System.runFinalization(); 19941 } 19942 } 19943 19944 /** 19945 * Prepare storage areas for given user on all mounted devices. 19946 */ 19947 void prepareUserData(int userId, int userSerial, int flags) { 19948 synchronized (mInstallLock) { 19949 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19950 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19951 final String volumeUuid = vol.getFsUuid(); 19952 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19953 } 19954 } 19955 } 19956 19957 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19958 boolean allowRecover) { 19959 // Prepare storage and verify that serial numbers are consistent; if 19960 // there's a mismatch we need to destroy to avoid leaking data 19961 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19962 try { 19963 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19964 19965 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19966 UserManagerService.enforceSerialNumber( 19967 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19968 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19969 UserManagerService.enforceSerialNumber( 19970 Environment.getDataSystemDeDirectory(userId), userSerial); 19971 } 19972 } 19973 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19974 UserManagerService.enforceSerialNumber( 19975 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19976 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19977 UserManagerService.enforceSerialNumber( 19978 Environment.getDataSystemCeDirectory(userId), userSerial); 19979 } 19980 } 19981 19982 synchronized (mInstallLock) { 19983 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19984 } 19985 } catch (Exception e) { 19986 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19987 + " because we failed to prepare: " + e); 19988 destroyUserDataLI(volumeUuid, userId, 19989 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19990 19991 if (allowRecover) { 19992 // Try one last time; if we fail again we're really in trouble 19993 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19994 } 19995 } 19996 } 19997 19998 /** 19999 * Destroy storage areas for given user on all mounted devices. 20000 */ 20001 void destroyUserData(int userId, int flags) { 20002 synchronized (mInstallLock) { 20003 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20004 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 20005 final String volumeUuid = vol.getFsUuid(); 20006 destroyUserDataLI(volumeUuid, userId, flags); 20007 } 20008 } 20009 } 20010 20011 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 20012 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20013 try { 20014 // Clean up app data, profile data, and media data 20015 mInstaller.destroyUserData(volumeUuid, userId, flags); 20016 20017 // Clean up system data 20018 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 20019 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 20020 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 20021 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 20022 } 20023 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20024 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 20025 } 20026 } 20027 20028 // Data with special labels is now gone, so finish the job 20029 storage.destroyUserStorage(volumeUuid, userId, flags); 20030 20031 } catch (Exception e) { 20032 logCriticalInfo(Log.WARN, 20033 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 20034 } 20035 } 20036 20037 /** 20038 * Examine all users present on given mounted volume, and destroy data 20039 * belonging to users that are no longer valid, or whose user ID has been 20040 * recycled. 20041 */ 20042 private void reconcileUsers(String volumeUuid) { 20043 final List<File> files = new ArrayList<>(); 20044 Collections.addAll(files, FileUtils 20045 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 20046 Collections.addAll(files, FileUtils 20047 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 20048 Collections.addAll(files, FileUtils 20049 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 20050 Collections.addAll(files, FileUtils 20051 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 20052 for (File file : files) { 20053 if (!file.isDirectory()) continue; 20054 20055 final int userId; 20056 final UserInfo info; 20057 try { 20058 userId = Integer.parseInt(file.getName()); 20059 info = sUserManager.getUserInfo(userId); 20060 } catch (NumberFormatException e) { 20061 Slog.w(TAG, "Invalid user directory " + file); 20062 continue; 20063 } 20064 20065 boolean destroyUser = false; 20066 if (info == null) { 20067 logCriticalInfo(Log.WARN, "Destroying user directory " + file 20068 + " because no matching user was found"); 20069 destroyUser = true; 20070 } else if (!mOnlyCore) { 20071 try { 20072 UserManagerService.enforceSerialNumber(file, info.serialNumber); 20073 } catch (IOException e) { 20074 logCriticalInfo(Log.WARN, "Destroying user directory " + file 20075 + " because we failed to enforce serial number: " + e); 20076 destroyUser = true; 20077 } 20078 } 20079 20080 if (destroyUser) { 20081 synchronized (mInstallLock) { 20082 destroyUserDataLI(volumeUuid, userId, 20083 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 20084 } 20085 } 20086 } 20087 } 20088 20089 private void assertPackageKnown(String volumeUuid, String packageName) 20090 throws PackageManagerException { 20091 synchronized (mPackages) { 20092 final PackageSetting ps = mSettings.mPackages.get(packageName); 20093 if (ps == null) { 20094 throw new PackageManagerException("Package " + packageName + " is unknown"); 20095 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 20096 throw new PackageManagerException( 20097 "Package " + packageName + " found on unknown volume " + volumeUuid 20098 + "; expected volume " + ps.volumeUuid); 20099 } 20100 } 20101 } 20102 20103 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 20104 throws PackageManagerException { 20105 synchronized (mPackages) { 20106 final PackageSetting ps = mSettings.mPackages.get(packageName); 20107 if (ps == null) { 20108 throw new PackageManagerException("Package " + packageName + " is unknown"); 20109 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 20110 throw new PackageManagerException( 20111 "Package " + packageName + " found on unknown volume " + volumeUuid 20112 + "; expected volume " + ps.volumeUuid); 20113 } else if (!ps.getInstalled(userId)) { 20114 throw new PackageManagerException( 20115 "Package " + packageName + " not installed for user " + userId); 20116 } 20117 } 20118 } 20119 20120 /** 20121 * Examine all apps present on given mounted volume, and destroy apps that 20122 * aren't expected, either due to uninstallation or reinstallation on 20123 * another volume. 20124 */ 20125 private void reconcileApps(String volumeUuid) { 20126 final File[] files = FileUtils 20127 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 20128 for (File file : files) { 20129 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 20130 && !PackageInstallerService.isStageName(file.getName()); 20131 if (!isPackage) { 20132 // Ignore entries which are not packages 20133 continue; 20134 } 20135 20136 try { 20137 final PackageLite pkg = PackageParser.parsePackageLite(file, 20138 PackageParser.PARSE_MUST_BE_APK); 20139 assertPackageKnown(volumeUuid, pkg.packageName); 20140 20141 } catch (PackageParserException | PackageManagerException e) { 20142 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20143 synchronized (mInstallLock) { 20144 removeCodePathLI(file); 20145 } 20146 } 20147 } 20148 } 20149 20150 /** 20151 * Reconcile all app data for the given user. 20152 * <p> 20153 * Verifies that directories exist and that ownership and labeling is 20154 * correct for all installed apps on all mounted volumes. 20155 */ 20156 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 20157 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20158 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 20159 final String volumeUuid = vol.getFsUuid(); 20160 synchronized (mInstallLock) { 20161 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 20162 } 20163 } 20164 } 20165 20166 /** 20167 * Reconcile all app data on given mounted volume. 20168 * <p> 20169 * Destroys app data that isn't expected, either due to uninstallation or 20170 * reinstallation on another volume. 20171 * <p> 20172 * Verifies that directories exist and that ownership and labeling is 20173 * correct for all installed apps. 20174 */ 20175 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 20176 boolean migrateAppData) { 20177 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 20178 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 20179 20180 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 20181 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 20182 20183 // First look for stale data that doesn't belong, and check if things 20184 // have changed since we did our last restorecon 20185 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20186 if (StorageManager.isFileEncryptedNativeOrEmulated() 20187 && !StorageManager.isUserKeyUnlocked(userId)) { 20188 throw new RuntimeException( 20189 "Yikes, someone asked us to reconcile CE storage while " + userId 20190 + " was still locked; this would have caused massive data loss!"); 20191 } 20192 20193 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 20194 for (File file : files) { 20195 final String packageName = file.getName(); 20196 try { 20197 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 20198 } catch (PackageManagerException e) { 20199 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20200 try { 20201 mInstaller.destroyAppData(volumeUuid, packageName, userId, 20202 StorageManager.FLAG_STORAGE_CE, 0); 20203 } catch (InstallerException e2) { 20204 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 20205 } 20206 } 20207 } 20208 } 20209 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 20210 final File[] files = FileUtils.listFilesOrEmpty(deDir); 20211 for (File file : files) { 20212 final String packageName = file.getName(); 20213 try { 20214 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 20215 } catch (PackageManagerException e) { 20216 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20217 try { 20218 mInstaller.destroyAppData(volumeUuid, packageName, userId, 20219 StorageManager.FLAG_STORAGE_DE, 0); 20220 } catch (InstallerException e2) { 20221 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 20222 } 20223 } 20224 } 20225 } 20226 20227 // Ensure that data directories are ready to roll for all packages 20228 // installed for this volume and user 20229 final List<PackageSetting> packages; 20230 synchronized (mPackages) { 20231 packages = mSettings.getVolumePackagesLPr(volumeUuid); 20232 } 20233 int preparedCount = 0; 20234 for (PackageSetting ps : packages) { 20235 final String packageName = ps.name; 20236 if (ps.pkg == null) { 20237 Slog.w(TAG, "Odd, missing scanned package " + packageName); 20238 // TODO: might be due to legacy ASEC apps; we should circle back 20239 // and reconcile again once they're scanned 20240 continue; 20241 } 20242 20243 if (ps.getInstalled(userId)) { 20244 prepareAppDataLIF(ps.pkg, userId, flags); 20245 20246 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 20247 // We may have just shuffled around app data directories, so 20248 // prepare them one more time 20249 prepareAppDataLIF(ps.pkg, userId, flags); 20250 } 20251 20252 preparedCount++; 20253 } 20254 } 20255 20256 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 20257 } 20258 20259 /** 20260 * Prepare app data for the given app just after it was installed or 20261 * upgraded. This method carefully only touches users that it's installed 20262 * for, and it forces a restorecon to handle any seinfo changes. 20263 * <p> 20264 * Verifies that directories exist and that ownership and labeling is 20265 * correct for all installed apps. If there is an ownership mismatch, it 20266 * will try recovering system apps by wiping data; third-party app data is 20267 * left intact. 20268 * <p> 20269 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 20270 */ 20271 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 20272 final PackageSetting ps; 20273 synchronized (mPackages) { 20274 ps = mSettings.mPackages.get(pkg.packageName); 20275 mSettings.writeKernelMappingLPr(ps); 20276 } 20277 20278 final UserManager um = mContext.getSystemService(UserManager.class); 20279 UserManagerInternal umInternal = getUserManagerInternal(); 20280 for (UserInfo user : um.getUsers()) { 20281 final int flags; 20282 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 20283 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 20284 } else if (umInternal.isUserRunning(user.id)) { 20285 flags = StorageManager.FLAG_STORAGE_DE; 20286 } else { 20287 continue; 20288 } 20289 20290 if (ps.getInstalled(user.id)) { 20291 // TODO: when user data is locked, mark that we're still dirty 20292 prepareAppDataLIF(pkg, user.id, flags); 20293 } 20294 } 20295 } 20296 20297 /** 20298 * Prepare app data for the given app. 20299 * <p> 20300 * Verifies that directories exist and that ownership and labeling is 20301 * correct for all installed apps. If there is an ownership mismatch, this 20302 * will try recovering system apps by wiping data; third-party app data is 20303 * left intact. 20304 */ 20305 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 20306 if (pkg == null) { 20307 Slog.wtf(TAG, "Package was null!", new Throwable()); 20308 return; 20309 } 20310 prepareAppDataLeafLIF(pkg, userId, flags); 20311 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20312 for (int i = 0; i < childCount; i++) { 20313 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 20314 } 20315 } 20316 20317 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20318 if (DEBUG_APP_DATA) { 20319 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 20320 + Integer.toHexString(flags)); 20321 } 20322 20323 final String volumeUuid = pkg.volumeUuid; 20324 final String packageName = pkg.packageName; 20325 final ApplicationInfo app = pkg.applicationInfo; 20326 final int appId = UserHandle.getAppId(app.uid); 20327 20328 Preconditions.checkNotNull(app.seinfo); 20329 20330 try { 20331 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20332 appId, app.seinfo, app.targetSdkVersion); 20333 } catch (InstallerException e) { 20334 if (app.isSystemApp()) { 20335 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 20336 + ", but trying to recover: " + e); 20337 destroyAppDataLeafLIF(pkg, userId, flags); 20338 try { 20339 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20340 appId, app.seinfo, app.targetSdkVersion); 20341 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 20342 } catch (InstallerException e2) { 20343 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 20344 } 20345 } else { 20346 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 20347 } 20348 } 20349 20350 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20351 try { 20352 // CE storage is unlocked right now, so read out the inode and 20353 // remember for use later when it's locked 20354 // TODO: mark this structure as dirty so we persist it! 20355 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 20356 StorageManager.FLAG_STORAGE_CE); 20357 synchronized (mPackages) { 20358 final PackageSetting ps = mSettings.mPackages.get(packageName); 20359 if (ps != null) { 20360 ps.setCeDataInode(ceDataInode, userId); 20361 } 20362 } 20363 } catch (InstallerException e) { 20364 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 20365 } 20366 } 20367 20368 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20369 } 20370 20371 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 20372 if (pkg == null) { 20373 Slog.wtf(TAG, "Package was null!", new Throwable()); 20374 return; 20375 } 20376 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20377 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20378 for (int i = 0; i < childCount; i++) { 20379 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 20380 } 20381 } 20382 20383 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20384 final String volumeUuid = pkg.volumeUuid; 20385 final String packageName = pkg.packageName; 20386 final ApplicationInfo app = pkg.applicationInfo; 20387 20388 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20389 // Create a native library symlink only if we have native libraries 20390 // and if the native libraries are 32 bit libraries. We do not provide 20391 // this symlink for 64 bit libraries. 20392 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 20393 final String nativeLibPath = app.nativeLibraryDir; 20394 try { 20395 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 20396 nativeLibPath, userId); 20397 } catch (InstallerException e) { 20398 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 20399 } 20400 } 20401 } 20402 } 20403 20404 /** 20405 * For system apps on non-FBE devices, this method migrates any existing 20406 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 20407 * requested by the app. 20408 */ 20409 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 20410 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 20411 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 20412 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 20413 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 20414 try { 20415 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 20416 storageTarget); 20417 } catch (InstallerException e) { 20418 logCriticalInfo(Log.WARN, 20419 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 20420 } 20421 return true; 20422 } else { 20423 return false; 20424 } 20425 } 20426 20427 public PackageFreezer freezePackage(String packageName, String killReason) { 20428 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 20429 } 20430 20431 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 20432 return new PackageFreezer(packageName, userId, killReason); 20433 } 20434 20435 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 20436 String killReason) { 20437 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 20438 } 20439 20440 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 20441 String killReason) { 20442 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 20443 return new PackageFreezer(); 20444 } else { 20445 return freezePackage(packageName, userId, killReason); 20446 } 20447 } 20448 20449 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 20450 String killReason) { 20451 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 20452 } 20453 20454 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 20455 String killReason) { 20456 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 20457 return new PackageFreezer(); 20458 } else { 20459 return freezePackage(packageName, userId, killReason); 20460 } 20461 } 20462 20463 /** 20464 * Class that freezes and kills the given package upon creation, and 20465 * unfreezes it upon closing. This is typically used when doing surgery on 20466 * app code/data to prevent the app from running while you're working. 20467 */ 20468 private class PackageFreezer implements AutoCloseable { 20469 private final String mPackageName; 20470 private final PackageFreezer[] mChildren; 20471 20472 private final boolean mWeFroze; 20473 20474 private final AtomicBoolean mClosed = new AtomicBoolean(); 20475 private final CloseGuard mCloseGuard = CloseGuard.get(); 20476 20477 /** 20478 * Create and return a stub freezer that doesn't actually do anything, 20479 * typically used when someone requested 20480 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20481 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20482 */ 20483 public PackageFreezer() { 20484 mPackageName = null; 20485 mChildren = null; 20486 mWeFroze = false; 20487 mCloseGuard.open("close"); 20488 } 20489 20490 public PackageFreezer(String packageName, int userId, String killReason) { 20491 synchronized (mPackages) { 20492 mPackageName = packageName; 20493 mWeFroze = mFrozenPackages.add(mPackageName); 20494 20495 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20496 if (ps != null) { 20497 killApplication(ps.name, ps.appId, userId, killReason); 20498 } 20499 20500 final PackageParser.Package p = mPackages.get(packageName); 20501 if (p != null && p.childPackages != null) { 20502 final int N = p.childPackages.size(); 20503 mChildren = new PackageFreezer[N]; 20504 for (int i = 0; i < N; i++) { 20505 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20506 userId, killReason); 20507 } 20508 } else { 20509 mChildren = null; 20510 } 20511 } 20512 mCloseGuard.open("close"); 20513 } 20514 20515 @Override 20516 protected void finalize() throws Throwable { 20517 try { 20518 mCloseGuard.warnIfOpen(); 20519 close(); 20520 } finally { 20521 super.finalize(); 20522 } 20523 } 20524 20525 @Override 20526 public void close() { 20527 mCloseGuard.close(); 20528 if (mClosed.compareAndSet(false, true)) { 20529 synchronized (mPackages) { 20530 if (mWeFroze) { 20531 mFrozenPackages.remove(mPackageName); 20532 } 20533 20534 if (mChildren != null) { 20535 for (PackageFreezer freezer : mChildren) { 20536 freezer.close(); 20537 } 20538 } 20539 } 20540 } 20541 } 20542 } 20543 20544 /** 20545 * Verify that given package is currently frozen. 20546 */ 20547 private void checkPackageFrozen(String packageName) { 20548 synchronized (mPackages) { 20549 if (!mFrozenPackages.contains(packageName)) { 20550 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20551 } 20552 } 20553 } 20554 20555 @Override 20556 public int movePackage(final String packageName, final String volumeUuid) { 20557 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20558 20559 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20560 final int moveId = mNextMoveId.getAndIncrement(); 20561 mHandler.post(new Runnable() { 20562 @Override 20563 public void run() { 20564 try { 20565 movePackageInternal(packageName, volumeUuid, moveId, user); 20566 } catch (PackageManagerException e) { 20567 Slog.w(TAG, "Failed to move " + packageName, e); 20568 mMoveCallbacks.notifyStatusChanged(moveId, 20569 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20570 } 20571 } 20572 }); 20573 return moveId; 20574 } 20575 20576 private void movePackageInternal(final String packageName, final String volumeUuid, 20577 final int moveId, UserHandle user) throws PackageManagerException { 20578 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20579 final PackageManager pm = mContext.getPackageManager(); 20580 20581 final boolean currentAsec; 20582 final String currentVolumeUuid; 20583 final File codeFile; 20584 final String installerPackageName; 20585 final String packageAbiOverride; 20586 final int appId; 20587 final String seinfo; 20588 final String label; 20589 final int targetSdkVersion; 20590 final PackageFreezer freezer; 20591 final int[] installedUserIds; 20592 20593 // reader 20594 synchronized (mPackages) { 20595 final PackageParser.Package pkg = mPackages.get(packageName); 20596 final PackageSetting ps = mSettings.mPackages.get(packageName); 20597 if (pkg == null || ps == null) { 20598 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20599 } 20600 20601 if (pkg.applicationInfo.isSystemApp()) { 20602 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20603 "Cannot move system application"); 20604 } 20605 20606 if (pkg.applicationInfo.isExternalAsec()) { 20607 currentAsec = true; 20608 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20609 } else if (pkg.applicationInfo.isForwardLocked()) { 20610 currentAsec = true; 20611 currentVolumeUuid = "forward_locked"; 20612 } else { 20613 currentAsec = false; 20614 currentVolumeUuid = ps.volumeUuid; 20615 20616 final File probe = new File(pkg.codePath); 20617 final File probeOat = new File(probe, "oat"); 20618 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20619 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20620 "Move only supported for modern cluster style installs"); 20621 } 20622 } 20623 20624 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20625 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20626 "Package already moved to " + volumeUuid); 20627 } 20628 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20629 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20630 "Device admin cannot be moved"); 20631 } 20632 20633 if (mFrozenPackages.contains(packageName)) { 20634 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20635 "Failed to move already frozen package"); 20636 } 20637 20638 codeFile = new File(pkg.codePath); 20639 installerPackageName = ps.installerPackageName; 20640 packageAbiOverride = ps.cpuAbiOverrideString; 20641 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20642 seinfo = pkg.applicationInfo.seinfo; 20643 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20644 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20645 freezer = freezePackage(packageName, "movePackageInternal"); 20646 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20647 } 20648 20649 final Bundle extras = new Bundle(); 20650 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20651 extras.putString(Intent.EXTRA_TITLE, label); 20652 mMoveCallbacks.notifyCreated(moveId, extras); 20653 20654 int installFlags; 20655 final boolean moveCompleteApp; 20656 final File measurePath; 20657 20658 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20659 installFlags = INSTALL_INTERNAL; 20660 moveCompleteApp = !currentAsec; 20661 measurePath = Environment.getDataAppDirectory(volumeUuid); 20662 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20663 installFlags = INSTALL_EXTERNAL; 20664 moveCompleteApp = false; 20665 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20666 } else { 20667 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20668 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20669 || !volume.isMountedWritable()) { 20670 freezer.close(); 20671 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20672 "Move location not mounted private volume"); 20673 } 20674 20675 Preconditions.checkState(!currentAsec); 20676 20677 installFlags = INSTALL_INTERNAL; 20678 moveCompleteApp = true; 20679 measurePath = Environment.getDataAppDirectory(volumeUuid); 20680 } 20681 20682 final PackageStats stats = new PackageStats(null, -1); 20683 synchronized (mInstaller) { 20684 for (int userId : installedUserIds) { 20685 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20686 freezer.close(); 20687 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20688 "Failed to measure package size"); 20689 } 20690 } 20691 } 20692 20693 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20694 + stats.dataSize); 20695 20696 final long startFreeBytes = measurePath.getFreeSpace(); 20697 final long sizeBytes; 20698 if (moveCompleteApp) { 20699 sizeBytes = stats.codeSize + stats.dataSize; 20700 } else { 20701 sizeBytes = stats.codeSize; 20702 } 20703 20704 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20705 freezer.close(); 20706 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20707 "Not enough free space to move"); 20708 } 20709 20710 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20711 20712 final CountDownLatch installedLatch = new CountDownLatch(1); 20713 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20714 @Override 20715 public void onUserActionRequired(Intent intent) throws RemoteException { 20716 throw new IllegalStateException(); 20717 } 20718 20719 @Override 20720 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20721 Bundle extras) throws RemoteException { 20722 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20723 + PackageManager.installStatusToString(returnCode, msg)); 20724 20725 installedLatch.countDown(); 20726 freezer.close(); 20727 20728 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20729 switch (status) { 20730 case PackageInstaller.STATUS_SUCCESS: 20731 mMoveCallbacks.notifyStatusChanged(moveId, 20732 PackageManager.MOVE_SUCCEEDED); 20733 break; 20734 case PackageInstaller.STATUS_FAILURE_STORAGE: 20735 mMoveCallbacks.notifyStatusChanged(moveId, 20736 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20737 break; 20738 default: 20739 mMoveCallbacks.notifyStatusChanged(moveId, 20740 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20741 break; 20742 } 20743 } 20744 }; 20745 20746 final MoveInfo move; 20747 if (moveCompleteApp) { 20748 // Kick off a thread to report progress estimates 20749 new Thread() { 20750 @Override 20751 public void run() { 20752 while (true) { 20753 try { 20754 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20755 break; 20756 } 20757 } catch (InterruptedException ignored) { 20758 } 20759 20760 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20761 final int progress = 10 + (int) MathUtils.constrain( 20762 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20763 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20764 } 20765 } 20766 }.start(); 20767 20768 final String dataAppName = codeFile.getName(); 20769 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20770 dataAppName, appId, seinfo, targetSdkVersion); 20771 } else { 20772 move = null; 20773 } 20774 20775 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20776 20777 final Message msg = mHandler.obtainMessage(INIT_COPY); 20778 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20779 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20780 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20781 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20782 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20783 msg.obj = params; 20784 20785 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20786 System.identityHashCode(msg.obj)); 20787 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20788 System.identityHashCode(msg.obj)); 20789 20790 mHandler.sendMessage(msg); 20791 } 20792 20793 @Override 20794 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20795 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20796 20797 final int realMoveId = mNextMoveId.getAndIncrement(); 20798 final Bundle extras = new Bundle(); 20799 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20800 mMoveCallbacks.notifyCreated(realMoveId, extras); 20801 20802 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20803 @Override 20804 public void onCreated(int moveId, Bundle extras) { 20805 // Ignored 20806 } 20807 20808 @Override 20809 public void onStatusChanged(int moveId, int status, long estMillis) { 20810 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20811 } 20812 }; 20813 20814 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20815 storage.setPrimaryStorageUuid(volumeUuid, callback); 20816 return realMoveId; 20817 } 20818 20819 @Override 20820 public int getMoveStatus(int moveId) { 20821 mContext.enforceCallingOrSelfPermission( 20822 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20823 return mMoveCallbacks.mLastStatus.get(moveId); 20824 } 20825 20826 @Override 20827 public void registerMoveCallback(IPackageMoveObserver callback) { 20828 mContext.enforceCallingOrSelfPermission( 20829 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20830 mMoveCallbacks.register(callback); 20831 } 20832 20833 @Override 20834 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20835 mContext.enforceCallingOrSelfPermission( 20836 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20837 mMoveCallbacks.unregister(callback); 20838 } 20839 20840 @Override 20841 public boolean setInstallLocation(int loc) { 20842 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20843 null); 20844 if (getInstallLocation() == loc) { 20845 return true; 20846 } 20847 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20848 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20849 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20850 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20851 return true; 20852 } 20853 return false; 20854 } 20855 20856 @Override 20857 public int getInstallLocation() { 20858 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20859 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20860 PackageHelper.APP_INSTALL_AUTO); 20861 } 20862 20863 /** Called by UserManagerService */ 20864 void cleanUpUser(UserManagerService userManager, int userHandle) { 20865 synchronized (mPackages) { 20866 mDirtyUsers.remove(userHandle); 20867 mUserNeedsBadging.delete(userHandle); 20868 mSettings.removeUserLPw(userHandle); 20869 mPendingBroadcasts.remove(userHandle); 20870 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20871 removeUnusedPackagesLPw(userManager, userHandle); 20872 } 20873 } 20874 20875 /** 20876 * We're removing userHandle and would like to remove any downloaded packages 20877 * that are no longer in use by any other user. 20878 * @param userHandle the user being removed 20879 */ 20880 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20881 final boolean DEBUG_CLEAN_APKS = false; 20882 int [] users = userManager.getUserIds(); 20883 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20884 while (psit.hasNext()) { 20885 PackageSetting ps = psit.next(); 20886 if (ps.pkg == null) { 20887 continue; 20888 } 20889 final String packageName = ps.pkg.packageName; 20890 // Skip over if system app 20891 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20892 continue; 20893 } 20894 if (DEBUG_CLEAN_APKS) { 20895 Slog.i(TAG, "Checking package " + packageName); 20896 } 20897 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20898 if (keep) { 20899 if (DEBUG_CLEAN_APKS) { 20900 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20901 } 20902 } else { 20903 for (int i = 0; i < users.length; i++) { 20904 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20905 keep = true; 20906 if (DEBUG_CLEAN_APKS) { 20907 Slog.i(TAG, " Keeping package " + packageName + " for user " 20908 + users[i]); 20909 } 20910 break; 20911 } 20912 } 20913 } 20914 if (!keep) { 20915 if (DEBUG_CLEAN_APKS) { 20916 Slog.i(TAG, " Removing package " + packageName); 20917 } 20918 mHandler.post(new Runnable() { 20919 public void run() { 20920 deletePackageX(packageName, userHandle, 0); 20921 } //end run 20922 }); 20923 } 20924 } 20925 } 20926 20927 /** Called by UserManagerService */ 20928 void createNewUser(int userId, String[] disallowedPackages) { 20929 synchronized (mInstallLock) { 20930 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 20931 } 20932 synchronized (mPackages) { 20933 scheduleWritePackageRestrictionsLocked(userId); 20934 scheduleWritePackageListLocked(userId); 20935 applyFactoryDefaultBrowserLPw(userId); 20936 primeDomainVerificationsLPw(userId); 20937 } 20938 } 20939 20940 void onNewUserCreated(final int userId) { 20941 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20942 // If permission review for legacy apps is required, we represent 20943 // dagerous permissions for such apps as always granted runtime 20944 // permissions to keep per user flag state whether review is needed. 20945 // Hence, if a new user is added we have to propagate dangerous 20946 // permission grants for these legacy apps. 20947 if (mPermissionReviewRequired) { 20948 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20949 | UPDATE_PERMISSIONS_REPLACE_ALL); 20950 } 20951 } 20952 20953 @Override 20954 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20955 mContext.enforceCallingOrSelfPermission( 20956 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20957 "Only package verification agents can read the verifier device identity"); 20958 20959 synchronized (mPackages) { 20960 return mSettings.getVerifierDeviceIdentityLPw(); 20961 } 20962 } 20963 20964 @Override 20965 public void setPermissionEnforced(String permission, boolean enforced) { 20966 // TODO: Now that we no longer change GID for storage, this should to away. 20967 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20968 "setPermissionEnforced"); 20969 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20970 synchronized (mPackages) { 20971 if (mSettings.mReadExternalStorageEnforced == null 20972 || mSettings.mReadExternalStorageEnforced != enforced) { 20973 mSettings.mReadExternalStorageEnforced = enforced; 20974 mSettings.writeLPr(); 20975 } 20976 } 20977 // kill any non-foreground processes so we restart them and 20978 // grant/revoke the GID. 20979 final IActivityManager am = ActivityManager.getService(); 20980 if (am != null) { 20981 final long token = Binder.clearCallingIdentity(); 20982 try { 20983 am.killProcessesBelowForeground("setPermissionEnforcement"); 20984 } catch (RemoteException e) { 20985 } finally { 20986 Binder.restoreCallingIdentity(token); 20987 } 20988 } 20989 } else { 20990 throw new IllegalArgumentException("No selective enforcement for " + permission); 20991 } 20992 } 20993 20994 @Override 20995 @Deprecated 20996 public boolean isPermissionEnforced(String permission) { 20997 return true; 20998 } 20999 21000 @Override 21001 public boolean isStorageLow() { 21002 final long token = Binder.clearCallingIdentity(); 21003 try { 21004 final DeviceStorageMonitorInternal 21005 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 21006 if (dsm != null) { 21007 return dsm.isMemoryLow(); 21008 } else { 21009 return false; 21010 } 21011 } finally { 21012 Binder.restoreCallingIdentity(token); 21013 } 21014 } 21015 21016 @Override 21017 public IPackageInstaller getPackageInstaller() { 21018 return mInstallerService; 21019 } 21020 21021 private boolean userNeedsBadging(int userId) { 21022 int index = mUserNeedsBadging.indexOfKey(userId); 21023 if (index < 0) { 21024 final UserInfo userInfo; 21025 final long token = Binder.clearCallingIdentity(); 21026 try { 21027 userInfo = sUserManager.getUserInfo(userId); 21028 } finally { 21029 Binder.restoreCallingIdentity(token); 21030 } 21031 final boolean b; 21032 if (userInfo != null && userInfo.isManagedProfile()) { 21033 b = true; 21034 } else { 21035 b = false; 21036 } 21037 mUserNeedsBadging.put(userId, b); 21038 return b; 21039 } 21040 return mUserNeedsBadging.valueAt(index); 21041 } 21042 21043 @Override 21044 public KeySet getKeySetByAlias(String packageName, String alias) { 21045 if (packageName == null || alias == null) { 21046 return null; 21047 } 21048 synchronized(mPackages) { 21049 final PackageParser.Package pkg = mPackages.get(packageName); 21050 if (pkg == null) { 21051 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21052 throw new IllegalArgumentException("Unknown package: " + packageName); 21053 } 21054 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21055 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 21056 } 21057 } 21058 21059 @Override 21060 public KeySet getSigningKeySet(String packageName) { 21061 if (packageName == null) { 21062 return null; 21063 } 21064 synchronized(mPackages) { 21065 final PackageParser.Package pkg = mPackages.get(packageName); 21066 if (pkg == null) { 21067 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21068 throw new IllegalArgumentException("Unknown package: " + packageName); 21069 } 21070 if (pkg.applicationInfo.uid != Binder.getCallingUid() 21071 && Process.SYSTEM_UID != Binder.getCallingUid()) { 21072 throw new SecurityException("May not access signing KeySet of other apps."); 21073 } 21074 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21075 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 21076 } 21077 } 21078 21079 @Override 21080 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 21081 if (packageName == null || ks == null) { 21082 return false; 21083 } 21084 synchronized(mPackages) { 21085 final PackageParser.Package pkg = mPackages.get(packageName); 21086 if (pkg == null) { 21087 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21088 throw new IllegalArgumentException("Unknown package: " + packageName); 21089 } 21090 IBinder ksh = ks.getToken(); 21091 if (ksh instanceof KeySetHandle) { 21092 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21093 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 21094 } 21095 return false; 21096 } 21097 } 21098 21099 @Override 21100 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 21101 if (packageName == null || ks == null) { 21102 return false; 21103 } 21104 synchronized(mPackages) { 21105 final PackageParser.Package pkg = mPackages.get(packageName); 21106 if (pkg == null) { 21107 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21108 throw new IllegalArgumentException("Unknown package: " + packageName); 21109 } 21110 IBinder ksh = ks.getToken(); 21111 if (ksh instanceof KeySetHandle) { 21112 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21113 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 21114 } 21115 return false; 21116 } 21117 } 21118 21119 private void deletePackageIfUnusedLPr(final String packageName) { 21120 PackageSetting ps = mSettings.mPackages.get(packageName); 21121 if (ps == null) { 21122 return; 21123 } 21124 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 21125 // TODO Implement atomic delete if package is unused 21126 // It is currently possible that the package will be deleted even if it is installed 21127 // after this method returns. 21128 mHandler.post(new Runnable() { 21129 public void run() { 21130 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 21131 } 21132 }); 21133 } 21134 } 21135 21136 /** 21137 * Check and throw if the given before/after packages would be considered a 21138 * downgrade. 21139 */ 21140 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 21141 throws PackageManagerException { 21142 if (after.versionCode < before.mVersionCode) { 21143 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 21144 "Update version code " + after.versionCode + " is older than current " 21145 + before.mVersionCode); 21146 } else if (after.versionCode == before.mVersionCode) { 21147 if (after.baseRevisionCode < before.baseRevisionCode) { 21148 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 21149 "Update base revision code " + after.baseRevisionCode 21150 + " is older than current " + before.baseRevisionCode); 21151 } 21152 21153 if (!ArrayUtils.isEmpty(after.splitNames)) { 21154 for (int i = 0; i < after.splitNames.length; i++) { 21155 final String splitName = after.splitNames[i]; 21156 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 21157 if (j != -1) { 21158 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 21159 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 21160 "Update split " + splitName + " revision code " 21161 + after.splitRevisionCodes[i] + " is older than current " 21162 + before.splitRevisionCodes[j]); 21163 } 21164 } 21165 } 21166 } 21167 } 21168 } 21169 21170 private static class MoveCallbacks extends Handler { 21171 private static final int MSG_CREATED = 1; 21172 private static final int MSG_STATUS_CHANGED = 2; 21173 21174 private final RemoteCallbackList<IPackageMoveObserver> 21175 mCallbacks = new RemoteCallbackList<>(); 21176 21177 private final SparseIntArray mLastStatus = new SparseIntArray(); 21178 21179 public MoveCallbacks(Looper looper) { 21180 super(looper); 21181 } 21182 21183 public void register(IPackageMoveObserver callback) { 21184 mCallbacks.register(callback); 21185 } 21186 21187 public void unregister(IPackageMoveObserver callback) { 21188 mCallbacks.unregister(callback); 21189 } 21190 21191 @Override 21192 public void handleMessage(Message msg) { 21193 final SomeArgs args = (SomeArgs) msg.obj; 21194 final int n = mCallbacks.beginBroadcast(); 21195 for (int i = 0; i < n; i++) { 21196 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 21197 try { 21198 invokeCallback(callback, msg.what, args); 21199 } catch (RemoteException ignored) { 21200 } 21201 } 21202 mCallbacks.finishBroadcast(); 21203 args.recycle(); 21204 } 21205 21206 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 21207 throws RemoteException { 21208 switch (what) { 21209 case MSG_CREATED: { 21210 callback.onCreated(args.argi1, (Bundle) args.arg2); 21211 break; 21212 } 21213 case MSG_STATUS_CHANGED: { 21214 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 21215 break; 21216 } 21217 } 21218 } 21219 21220 private void notifyCreated(int moveId, Bundle extras) { 21221 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 21222 21223 final SomeArgs args = SomeArgs.obtain(); 21224 args.argi1 = moveId; 21225 args.arg2 = extras; 21226 obtainMessage(MSG_CREATED, args).sendToTarget(); 21227 } 21228 21229 private void notifyStatusChanged(int moveId, int status) { 21230 notifyStatusChanged(moveId, status, -1); 21231 } 21232 21233 private void notifyStatusChanged(int moveId, int status, long estMillis) { 21234 Slog.v(TAG, "Move " + moveId + " status " + status); 21235 21236 final SomeArgs args = SomeArgs.obtain(); 21237 args.argi1 = moveId; 21238 args.argi2 = status; 21239 args.arg3 = estMillis; 21240 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 21241 21242 synchronized (mLastStatus) { 21243 mLastStatus.put(moveId, status); 21244 } 21245 } 21246 } 21247 21248 private final static class OnPermissionChangeListeners extends Handler { 21249 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 21250 21251 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 21252 new RemoteCallbackList<>(); 21253 21254 public OnPermissionChangeListeners(Looper looper) { 21255 super(looper); 21256 } 21257 21258 @Override 21259 public void handleMessage(Message msg) { 21260 switch (msg.what) { 21261 case MSG_ON_PERMISSIONS_CHANGED: { 21262 final int uid = msg.arg1; 21263 handleOnPermissionsChanged(uid); 21264 } break; 21265 } 21266 } 21267 21268 public void addListenerLocked(IOnPermissionsChangeListener listener) { 21269 mPermissionListeners.register(listener); 21270 21271 } 21272 21273 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 21274 mPermissionListeners.unregister(listener); 21275 } 21276 21277 public void onPermissionsChanged(int uid) { 21278 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 21279 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 21280 } 21281 } 21282 21283 private void handleOnPermissionsChanged(int uid) { 21284 final int count = mPermissionListeners.beginBroadcast(); 21285 try { 21286 for (int i = 0; i < count; i++) { 21287 IOnPermissionsChangeListener callback = mPermissionListeners 21288 .getBroadcastItem(i); 21289 try { 21290 callback.onPermissionsChanged(uid); 21291 } catch (RemoteException e) { 21292 Log.e(TAG, "Permission listener is dead", e); 21293 } 21294 } 21295 } finally { 21296 mPermissionListeners.finishBroadcast(); 21297 } 21298 } 21299 } 21300 21301 private class PackageManagerInternalImpl extends PackageManagerInternal { 21302 @Override 21303 public void setLocationPackagesProvider(PackagesProvider provider) { 21304 synchronized (mPackages) { 21305 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 21306 } 21307 } 21308 21309 @Override 21310 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 21311 synchronized (mPackages) { 21312 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 21313 } 21314 } 21315 21316 @Override 21317 public void setSmsAppPackagesProvider(PackagesProvider provider) { 21318 synchronized (mPackages) { 21319 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 21320 } 21321 } 21322 21323 @Override 21324 public void setDialerAppPackagesProvider(PackagesProvider provider) { 21325 synchronized (mPackages) { 21326 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 21327 } 21328 } 21329 21330 @Override 21331 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 21332 synchronized (mPackages) { 21333 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 21334 } 21335 } 21336 21337 @Override 21338 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 21339 synchronized (mPackages) { 21340 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 21341 } 21342 } 21343 21344 @Override 21345 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 21346 synchronized (mPackages) { 21347 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 21348 packageName, userId); 21349 } 21350 } 21351 21352 @Override 21353 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 21354 synchronized (mPackages) { 21355 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 21356 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 21357 packageName, userId); 21358 } 21359 } 21360 21361 @Override 21362 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 21363 synchronized (mPackages) { 21364 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 21365 packageName, userId); 21366 } 21367 } 21368 21369 @Override 21370 public void setKeepUninstalledPackages(final List<String> packageList) { 21371 Preconditions.checkNotNull(packageList); 21372 List<String> removedFromList = null; 21373 synchronized (mPackages) { 21374 if (mKeepUninstalledPackages != null) { 21375 final int packagesCount = mKeepUninstalledPackages.size(); 21376 for (int i = 0; i < packagesCount; i++) { 21377 String oldPackage = mKeepUninstalledPackages.get(i); 21378 if (packageList != null && packageList.contains(oldPackage)) { 21379 continue; 21380 } 21381 if (removedFromList == null) { 21382 removedFromList = new ArrayList<>(); 21383 } 21384 removedFromList.add(oldPackage); 21385 } 21386 } 21387 mKeepUninstalledPackages = new ArrayList<>(packageList); 21388 if (removedFromList != null) { 21389 final int removedCount = removedFromList.size(); 21390 for (int i = 0; i < removedCount; i++) { 21391 deletePackageIfUnusedLPr(removedFromList.get(i)); 21392 } 21393 } 21394 } 21395 } 21396 21397 @Override 21398 public boolean isPermissionsReviewRequired(String packageName, int userId) { 21399 synchronized (mPackages) { 21400 // If we do not support permission review, done. 21401 if (!mPermissionReviewRequired) { 21402 return false; 21403 } 21404 21405 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 21406 if (packageSetting == null) { 21407 return false; 21408 } 21409 21410 // Permission review applies only to apps not supporting the new permission model. 21411 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 21412 return false; 21413 } 21414 21415 // Legacy apps have the permission and get user consent on launch. 21416 PermissionsState permissionsState = packageSetting.getPermissionsState(); 21417 return permissionsState.isPermissionReviewRequired(userId); 21418 } 21419 } 21420 21421 @Override 21422 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 21423 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 21424 } 21425 21426 @Override 21427 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 21428 int userId) { 21429 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 21430 } 21431 21432 @Override 21433 public void setDeviceAndProfileOwnerPackages( 21434 int deviceOwnerUserId, String deviceOwnerPackage, 21435 SparseArray<String> profileOwnerPackages) { 21436 mProtectedPackages.setDeviceAndProfileOwnerPackages( 21437 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 21438 } 21439 21440 @Override 21441 public boolean isPackageDataProtected(int userId, String packageName) { 21442 return mProtectedPackages.isPackageDataProtected(userId, packageName); 21443 } 21444 21445 @Override 21446 public boolean isPackageEphemeral(int userId, String packageName) { 21447 synchronized (mPackages) { 21448 PackageParser.Package p = mPackages.get(packageName); 21449 return p != null ? p.applicationInfo.isEphemeralApp() : false; 21450 } 21451 } 21452 21453 @Override 21454 public boolean wasPackageEverLaunched(String packageName, int userId) { 21455 synchronized (mPackages) { 21456 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 21457 } 21458 } 21459 21460 @Override 21461 public void grantRuntimePermission(String packageName, String name, int userId, 21462 boolean overridePolicy) { 21463 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 21464 overridePolicy); 21465 } 21466 21467 @Override 21468 public void revokeRuntimePermission(String packageName, String name, int userId, 21469 boolean overridePolicy) { 21470 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 21471 overridePolicy); 21472 } 21473 21474 @Override 21475 public String getNameForUid(int uid) { 21476 return PackageManagerService.this.getNameForUid(uid); 21477 } 21478 21479 @Override 21480 public void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 21481 Intent origIntent, String resolvedType, Intent launchIntent, 21482 String callingPackage, int userId) { 21483 PackageManagerService.this.requestEphemeralResolutionPhaseTwo( 21484 responseObj, origIntent, resolvedType, launchIntent, callingPackage, userId); 21485 } 21486 } 21487 21488 @Override 21489 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 21490 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 21491 synchronized (mPackages) { 21492 final long identity = Binder.clearCallingIdentity(); 21493 try { 21494 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 21495 packageNames, userId); 21496 } finally { 21497 Binder.restoreCallingIdentity(identity); 21498 } 21499 } 21500 } 21501 21502 private static void enforceSystemOrPhoneCaller(String tag) { 21503 int callingUid = Binder.getCallingUid(); 21504 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 21505 throw new SecurityException( 21506 "Cannot call " + tag + " from UID " + callingUid); 21507 } 21508 } 21509 21510 boolean isHistoricalPackageUsageAvailable() { 21511 return mPackageUsage.isHistoricalPackageUsageAvailable(); 21512 } 21513 21514 /** 21515 * Return a <b>copy</b> of the collection of packages known to the package manager. 21516 * @return A copy of the values of mPackages. 21517 */ 21518 Collection<PackageParser.Package> getPackages() { 21519 synchronized (mPackages) { 21520 return new ArrayList<>(mPackages.values()); 21521 } 21522 } 21523 21524 /** 21525 * Logs process start information (including base APK hash) to the security log. 21526 * @hide 21527 */ 21528 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21529 String apkFile, int pid) { 21530 if (!SecurityLog.isLoggingEnabled()) { 21531 return; 21532 } 21533 Bundle data = new Bundle(); 21534 data.putLong("startTimestamp", System.currentTimeMillis()); 21535 data.putString("processName", processName); 21536 data.putInt("uid", uid); 21537 data.putString("seinfo", seinfo); 21538 data.putString("apkFile", apkFile); 21539 data.putInt("pid", pid); 21540 Message msg = mProcessLoggingHandler.obtainMessage( 21541 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21542 msg.setData(data); 21543 mProcessLoggingHandler.sendMessage(msg); 21544 } 21545 21546 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21547 return mCompilerStats.getPackageStats(pkgName); 21548 } 21549 21550 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21551 return getOrCreateCompilerPackageStats(pkg.packageName); 21552 } 21553 21554 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21555 return mCompilerStats.getOrCreatePackageStats(pkgName); 21556 } 21557 21558 public void deleteCompilerPackageStats(String pkgName) { 21559 mCompilerStats.deletePackageStats(pkgName); 21560 } 21561} 21562