PackageManagerService.java revision 84e347f01fa3a0675c3a8d6cc973228a4563b20d
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_DEBUG_TRIAGED_MISSING; 63import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 65import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 66import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 67import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 68import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 69import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 70import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 71import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 72import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 73import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 74import static android.content.pm.PackageManager.PERMISSION_DENIED; 75import static android.content.pm.PackageManager.PERMISSION_GRANTED; 76import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 77import static android.content.pm.PackageParser.isApkFile; 78import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 79import static android.system.OsConstants.O_CREAT; 80import static android.system.OsConstants.O_RDWR; 81 82import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 84import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 85import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 86import static com.android.internal.util.ArrayUtils.appendInt; 87import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 88import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 89import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 91import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 92import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 93import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 94import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 96import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 99 100import android.Manifest; 101import android.annotation.NonNull; 102import android.annotation.Nullable; 103import android.app.ActivityManager; 104import android.app.IActivityManager; 105import android.app.ResourcesManager; 106import android.app.admin.IDevicePolicyManager; 107import android.app.admin.SecurityLog; 108import android.app.backup.IBackupManager; 109import android.content.BroadcastReceiver; 110import android.content.ComponentName; 111import android.content.ContentResolver; 112import android.content.Context; 113import android.content.IIntentReceiver; 114import android.content.Intent; 115import android.content.IntentFilter; 116import android.content.IntentSender; 117import android.content.IntentSender.SendIntentException; 118import android.content.ServiceConnection; 119import android.content.pm.ActivityInfo; 120import android.content.pm.ApplicationInfo; 121import android.content.pm.AppsQueryHelper; 122import android.content.pm.ComponentInfo; 123import android.content.pm.EphemeralApplicationInfo; 124import android.content.pm.EphemeralRequest; 125import android.content.pm.EphemeralResolveInfo; 126import android.content.pm.EphemeralResponse; 127import android.content.pm.FeatureInfo; 128import android.content.pm.IOnPermissionsChangeListener; 129import android.content.pm.IPackageDataObserver; 130import android.content.pm.IPackageDeleteObserver; 131import android.content.pm.IPackageDeleteObserver2; 132import android.content.pm.IPackageInstallObserver2; 133import android.content.pm.IPackageInstaller; 134import android.content.pm.IPackageManager; 135import android.content.pm.IPackageMoveObserver; 136import android.content.pm.IPackageStatsObserver; 137import android.content.pm.InstrumentationInfo; 138import android.content.pm.IntentFilterVerificationInfo; 139import android.content.pm.KeySet; 140import android.content.pm.PackageCleanItem; 141import android.content.pm.PackageInfo; 142import android.content.pm.PackageInfoLite; 143import android.content.pm.PackageInstaller; 144import android.content.pm.PackageManager; 145import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 146import android.content.pm.PackageManagerInternal; 147import android.content.pm.PackageParser; 148import android.content.pm.PackageParser.ActivityIntentInfo; 149import android.content.pm.PackageParser.PackageLite; 150import android.content.pm.PackageParser.PackageParserException; 151import android.content.pm.PackageStats; 152import android.content.pm.PackageUserState; 153import android.content.pm.ParceledListSlice; 154import android.content.pm.PermissionGroupInfo; 155import android.content.pm.PermissionInfo; 156import android.content.pm.ProviderInfo; 157import android.content.pm.ResolveInfo; 158import android.content.pm.ServiceInfo; 159import android.content.pm.Signature; 160import android.content.pm.UserInfo; 161import android.content.pm.VerifierDeviceIdentity; 162import android.content.pm.VerifierInfo; 163import android.content.res.Resources; 164import android.graphics.Bitmap; 165import android.hardware.display.DisplayManager; 166import android.net.Uri; 167import android.os.Binder; 168import android.os.Build; 169import android.os.Bundle; 170import android.os.Debug; 171import android.os.Environment; 172import android.os.Environment.UserEnvironment; 173import android.os.FileUtils; 174import android.os.Handler; 175import android.os.IBinder; 176import android.os.Looper; 177import android.os.Message; 178import android.os.Parcel; 179import android.os.ParcelFileDescriptor; 180import android.os.PatternMatcher; 181import android.os.Process; 182import android.os.RemoteCallbackList; 183import android.os.RemoteException; 184import android.os.ResultReceiver; 185import android.os.SELinux; 186import android.os.ServiceManager; 187import android.os.ShellCallback; 188import android.os.SystemClock; 189import android.os.SystemProperties; 190import android.os.Trace; 191import android.os.UserHandle; 192import android.os.UserManager; 193import android.os.UserManagerInternal; 194import android.os.storage.IStorageManager; 195import android.os.storage.StorageManagerInternal; 196import android.os.storage.StorageEventListener; 197import android.os.storage.StorageManager; 198import android.os.storage.VolumeInfo; 199import android.os.storage.VolumeRecord; 200import android.provider.Settings.Global; 201import android.provider.Settings.Secure; 202import android.security.KeyStore; 203import android.security.SystemKeyStore; 204import android.system.ErrnoException; 205import android.system.Os; 206import android.text.TextUtils; 207import android.text.format.DateUtils; 208import android.util.ArrayMap; 209import android.util.ArraySet; 210import android.util.Base64; 211import android.util.DisplayMetrics; 212import android.util.EventLog; 213import android.util.ExceptionUtils; 214import android.util.Log; 215import android.util.LogPrinter; 216import android.util.MathUtils; 217import android.util.Pair; 218import android.util.PrintStreamPrinter; 219import android.util.Slog; 220import android.util.SparseArray; 221import android.util.SparseBooleanArray; 222import android.util.SparseIntArray; 223import android.util.Xml; 224import android.util.jar.StrictJarFile; 225import android.view.Display; 226 227import com.android.internal.R; 228import com.android.internal.annotations.GuardedBy; 229import com.android.internal.app.IMediaContainerService; 230import com.android.internal.app.ResolverActivity; 231import com.android.internal.content.NativeLibraryHelper; 232import com.android.internal.content.PackageHelper; 233import com.android.internal.logging.MetricsLogger; 234import com.android.internal.os.IParcelFileDescriptorFactory; 235import com.android.internal.os.InstallerConnection.InstallerException; 236import com.android.internal.os.RoSystemProperties; 237import com.android.internal.os.SomeArgs; 238import com.android.internal.os.Zygote; 239import com.android.internal.telephony.CarrierAppUtils; 240import com.android.internal.util.ArrayUtils; 241import com.android.internal.util.FastPrintWriter; 242import com.android.internal.util.FastXmlSerializer; 243import com.android.internal.util.IndentingPrintWriter; 244import com.android.internal.util.Preconditions; 245import com.android.internal.util.XmlUtils; 246import com.android.server.AttributeCache; 247import com.android.server.EventLogTags; 248import com.android.server.FgThread; 249import com.android.server.IntentResolver; 250import com.android.server.LocalServices; 251import com.android.server.ServiceThread; 252import com.android.server.SystemConfig; 253import com.android.server.Watchdog; 254import com.android.server.net.NetworkPolicyManagerInternal; 255import com.android.server.pm.PermissionsState.PermissionState; 256import com.android.server.pm.Settings.DatabaseVersion; 257import com.android.server.pm.Settings.VersionInfo; 258import com.android.server.storage.DeviceStorageMonitorInternal; 259 260import dalvik.system.CloseGuard; 261import dalvik.system.DexFile; 262import dalvik.system.VMRuntime; 263 264import libcore.io.IoUtils; 265import libcore.util.EmptyArray; 266 267import org.xmlpull.v1.XmlPullParser; 268import org.xmlpull.v1.XmlPullParserException; 269import org.xmlpull.v1.XmlSerializer; 270 271import java.io.BufferedOutputStream; 272import java.io.BufferedReader; 273import java.io.ByteArrayInputStream; 274import java.io.ByteArrayOutputStream; 275import java.io.File; 276import java.io.FileDescriptor; 277import java.io.FileInputStream; 278import java.io.FileNotFoundException; 279import java.io.FileOutputStream; 280import java.io.FileReader; 281import java.io.FilenameFilter; 282import java.io.IOException; 283import java.io.PrintWriter; 284import java.nio.charset.StandardCharsets; 285import java.security.DigestInputStream; 286import java.security.MessageDigest; 287import java.security.NoSuchAlgorithmException; 288import java.security.PublicKey; 289import java.security.SecureRandom; 290import java.security.cert.Certificate; 291import java.security.cert.CertificateEncodingException; 292import java.security.cert.CertificateException; 293import java.text.SimpleDateFormat; 294import java.util.ArrayList; 295import java.util.Arrays; 296import java.util.Collection; 297import java.util.Collections; 298import java.util.Comparator; 299import java.util.Date; 300import java.util.HashSet; 301import java.util.Iterator; 302import java.util.List; 303import java.util.Map; 304import java.util.Objects; 305import java.util.Set; 306import java.util.concurrent.CountDownLatch; 307import java.util.concurrent.TimeUnit; 308import java.util.concurrent.atomic.AtomicBoolean; 309import java.util.concurrent.atomic.AtomicInteger; 310 311/** 312 * Keep track of all those APKs everywhere. 313 * <p> 314 * Internally there are two important locks: 315 * <ul> 316 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 317 * and other related state. It is a fine-grained lock that should only be held 318 * momentarily, as it's one of the most contended locks in the system. 319 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 320 * operations typically involve heavy lifting of application data on disk. Since 321 * {@code installd} is single-threaded, and it's operations can often be slow, 322 * this lock should never be acquired while already holding {@link #mPackages}. 323 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 324 * holding {@link #mInstallLock}. 325 * </ul> 326 * Many internal methods rely on the caller to hold the appropriate locks, and 327 * this contract is expressed through method name suffixes: 328 * <ul> 329 * <li>fooLI(): the caller must hold {@link #mInstallLock} 330 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 331 * being modified must be frozen 332 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 333 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 334 * </ul> 335 * <p> 336 * Because this class is very central to the platform's security; please run all 337 * CTS and unit tests whenever making modifications: 338 * 339 * <pre> 340 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 341 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 342 * </pre> 343 */ 344public class PackageManagerService extends IPackageManager.Stub { 345 static final String TAG = "PackageManager"; 346 static final boolean DEBUG_SETTINGS = false; 347 static final boolean DEBUG_PREFERRED = false; 348 static final boolean DEBUG_UPGRADE = false; 349 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 350 private static final boolean DEBUG_BACKUP = false; 351 private static final boolean DEBUG_INSTALL = false; 352 private static final boolean DEBUG_REMOVE = false; 353 private static final boolean DEBUG_BROADCASTS = false; 354 private static final boolean DEBUG_SHOW_INFO = false; 355 private static final boolean DEBUG_PACKAGE_INFO = false; 356 private static final boolean DEBUG_INTENT_MATCHING = false; 357 private static final boolean DEBUG_PACKAGE_SCANNING = false; 358 private static final boolean DEBUG_VERIFY = false; 359 private static final boolean DEBUG_FILTERS = false; 360 361 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 362 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 363 // user, but by default initialize to this. 364 static final boolean DEBUG_DEXOPT = false; 365 366 private static final boolean DEBUG_ABI_SELECTION = false; 367 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 368 private static final boolean DEBUG_TRIAGED_MISSING = false; 369 private static final boolean DEBUG_APP_DATA = false; 370 371 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 372 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 373 374 private static final boolean DISABLE_EPHEMERAL_APPS = false; 375 private static final boolean HIDE_EPHEMERAL_APIS = true; 376 377 private static final int RADIO_UID = Process.PHONE_UID; 378 private static final int LOG_UID = Process.LOG_UID; 379 private static final int NFC_UID = Process.NFC_UID; 380 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 381 private static final int SHELL_UID = Process.SHELL_UID; 382 383 // Cap the size of permission trees that 3rd party apps can define 384 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 385 386 // Suffix used during package installation when copying/moving 387 // package apks to install directory. 388 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 389 390 static final int SCAN_NO_DEX = 1<<1; 391 static final int SCAN_FORCE_DEX = 1<<2; 392 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 393 static final int SCAN_NEW_INSTALL = 1<<4; 394 static final int SCAN_UPDATE_TIME = 1<<5; 395 static final int SCAN_BOOTING = 1<<6; 396 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 397 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 398 static final int SCAN_REPLACING = 1<<9; 399 static final int SCAN_REQUIRE_KNOWN = 1<<10; 400 static final int SCAN_MOVE = 1<<11; 401 static final int SCAN_INITIAL = 1<<12; 402 static final int SCAN_CHECK_ONLY = 1<<13; 403 static final int SCAN_DONT_KILL_APP = 1<<14; 404 static final int SCAN_IGNORE_FROZEN = 1<<15; 405 406 static final int REMOVE_CHATTY = 1<<16; 407 408 private static final int[] EMPTY_INT_ARRAY = new int[0]; 409 410 /** 411 * Timeout (in milliseconds) after which the watchdog should declare that 412 * our handler thread is wedged. The usual default for such things is one 413 * minute but we sometimes do very lengthy I/O operations on this thread, 414 * such as installing multi-gigabyte applications, so ours needs to be longer. 415 */ 416 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 417 418 /** 419 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 420 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 421 * settings entry if available, otherwise we use the hardcoded default. If it's been 422 * more than this long since the last fstrim, we force one during the boot sequence. 423 * 424 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 425 * one gets run at the next available charging+idle time. This final mandatory 426 * no-fstrim check kicks in only of the other scheduling criteria is never met. 427 */ 428 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 429 430 /** 431 * Whether verification is enabled by default. 432 */ 433 private static final boolean DEFAULT_VERIFY_ENABLE = true; 434 435 /** 436 * The default maximum time to wait for the verification agent to return in 437 * milliseconds. 438 */ 439 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 440 441 /** 442 * The default response for package verification timeout. 443 * 444 * This can be either PackageManager.VERIFICATION_ALLOW or 445 * PackageManager.VERIFICATION_REJECT. 446 */ 447 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 448 449 static final String PLATFORM_PACKAGE_NAME = "android"; 450 451 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 452 453 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 454 DEFAULT_CONTAINER_PACKAGE, 455 "com.android.defcontainer.DefaultContainerService"); 456 457 private static final String KILL_APP_REASON_GIDS_CHANGED = 458 "permission grant or revoke changed gids"; 459 460 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 461 "permissions revoked"; 462 463 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 464 465 private static final String PACKAGE_SCHEME = "package"; 466 467 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 468 /** 469 * If VENDOR_OVERLAY_THEME_PROPERTY is set, search for runtime resource overlay APKs also in 470 * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_THEME_PROPERTY> in addition to 471 * VENDOR_OVERLAY_DIR. 472 */ 473 private static final String VENDOR_OVERLAY_THEME_PROPERTY = "ro.boot.vendor.overlay.theme"; 474 /** 475 * Same as VENDOR_OVERLAY_THEME_PROPERTY, except persistent. If set will override whatever 476 * is in VENDOR_OVERLAY_THEME_PROPERTY. 477 */ 478 private static final String VENDOR_OVERLAY_THEME_PERSIST_PROPERTY 479 = "persist.vendor.overlay.theme"; 480 481 /** Permission grant: not grant the permission. */ 482 private static final int GRANT_DENIED = 1; 483 484 /** Permission grant: grant the permission as an install permission. */ 485 private static final int GRANT_INSTALL = 2; 486 487 /** Permission grant: grant the permission as a runtime one. */ 488 private static final int GRANT_RUNTIME = 3; 489 490 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 491 private static final int GRANT_UPGRADE = 4; 492 493 /** Canonical intent used to identify what counts as a "web browser" app */ 494 private static final Intent sBrowserIntent; 495 static { 496 sBrowserIntent = new Intent(); 497 sBrowserIntent.setAction(Intent.ACTION_VIEW); 498 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 499 sBrowserIntent.setData(Uri.parse("http:")); 500 } 501 502 /** 503 * The set of all protected actions [i.e. those actions for which a high priority 504 * intent filter is disallowed]. 505 */ 506 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 507 static { 508 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 509 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 510 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 511 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 512 } 513 514 // Compilation reasons. 515 public static final int REASON_FIRST_BOOT = 0; 516 public static final int REASON_BOOT = 1; 517 public static final int REASON_INSTALL = 2; 518 public static final int REASON_BACKGROUND_DEXOPT = 3; 519 public static final int REASON_AB_OTA = 4; 520 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 521 public static final int REASON_SHARED_APK = 6; 522 public static final int REASON_FORCED_DEXOPT = 7; 523 public static final int REASON_CORE_APP = 8; 524 525 public static final int REASON_LAST = REASON_CORE_APP; 526 527 /** Special library name that skips shared libraries check during compilation. */ 528 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 529 530 final ServiceThread mHandlerThread; 531 532 final PackageHandler mHandler; 533 534 private final ProcessLoggingHandler mProcessLoggingHandler; 535 536 /** 537 * Messages for {@link #mHandler} that need to wait for system ready before 538 * being dispatched. 539 */ 540 private ArrayList<Message> mPostSystemReadyMessages; 541 542 final int mSdkVersion = Build.VERSION.SDK_INT; 543 544 final Context mContext; 545 final boolean mFactoryTest; 546 final boolean mOnlyCore; 547 final DisplayMetrics mMetrics; 548 final int mDefParseFlags; 549 final String[] mSeparateProcesses; 550 final boolean mIsUpgrade; 551 final boolean mIsPreNUpgrade; 552 final boolean mIsPreNMR1Upgrade; 553 554 @GuardedBy("mPackages") 555 private boolean mDexOptDialogShown; 556 557 /** The location for ASEC container files on internal storage. */ 558 final String mAsecInternalPath; 559 560 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 561 // LOCK HELD. Can be called with mInstallLock held. 562 @GuardedBy("mInstallLock") 563 final Installer mInstaller; 564 565 /** Directory where installed third-party apps stored */ 566 final File mAppInstallDir; 567 final File mEphemeralInstallDir; 568 569 /** 570 * Directory to which applications installed internally have their 571 * 32 bit native libraries copied. 572 */ 573 private File mAppLib32InstallDir; 574 575 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 576 // apps. 577 final File mDrmAppPrivateInstallDir; 578 579 // ---------------------------------------------------------------- 580 581 // Lock for state used when installing and doing other long running 582 // operations. Methods that must be called with this lock held have 583 // the suffix "LI". 584 final Object mInstallLock = new Object(); 585 586 // ---------------------------------------------------------------- 587 588 // Keys are String (package name), values are Package. This also serves 589 // as the lock for the global state. Methods that must be called with 590 // this lock held have the prefix "LP". 591 @GuardedBy("mPackages") 592 final ArrayMap<String, PackageParser.Package> mPackages = 593 new ArrayMap<String, PackageParser.Package>(); 594 595 final ArrayMap<String, Set<String>> mKnownCodebase = 596 new ArrayMap<String, Set<String>>(); 597 598 // Tracks available target package names -> overlay package paths. 599 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 600 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 601 602 /** 603 * Tracks new system packages [received in an OTA] that we expect to 604 * find updated user-installed versions. Keys are package name, values 605 * are package location. 606 */ 607 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 608 /** 609 * Tracks high priority intent filters for protected actions. During boot, certain 610 * filter actions are protected and should never be allowed to have a high priority 611 * intent filter for them. However, there is one, and only one exception -- the 612 * setup wizard. It must be able to define a high priority intent filter for these 613 * actions to ensure there are no escapes from the wizard. We need to delay processing 614 * of these during boot as we need to look at all of the system packages in order 615 * to know which component is the setup wizard. 616 */ 617 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 618 /** 619 * Whether or not processing protected filters should be deferred. 620 */ 621 private boolean mDeferProtectedFilters = true; 622 623 /** 624 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 625 */ 626 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 627 /** 628 * Whether or not system app permissions should be promoted from install to runtime. 629 */ 630 boolean mPromoteSystemApps; 631 632 @GuardedBy("mPackages") 633 final Settings mSettings; 634 635 /** 636 * Set of package names that are currently "frozen", which means active 637 * surgery is being done on the code/data for that package. The platform 638 * will refuse to launch frozen packages to avoid race conditions. 639 * 640 * @see PackageFreezer 641 */ 642 @GuardedBy("mPackages") 643 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 644 645 final ProtectedPackages mProtectedPackages; 646 647 boolean mFirstBoot; 648 649 // System configuration read by SystemConfig. 650 final int[] mGlobalGids; 651 final SparseArray<ArraySet<String>> mSystemPermissions; 652 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 653 654 // If mac_permissions.xml was found for seinfo labeling. 655 boolean mFoundPolicyFile; 656 657 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 658 659 public static final class SharedLibraryEntry { 660 public final String path; 661 public final String apk; 662 663 SharedLibraryEntry(String _path, String _apk) { 664 path = _path; 665 apk = _apk; 666 } 667 } 668 669 // Currently known shared libraries. 670 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 671 new ArrayMap<String, SharedLibraryEntry>(); 672 673 // All available activities, for your resolving pleasure. 674 final ActivityIntentResolver mActivities = 675 new ActivityIntentResolver(); 676 677 // All available receivers, for your resolving pleasure. 678 final ActivityIntentResolver mReceivers = 679 new ActivityIntentResolver(); 680 681 // All available services, for your resolving pleasure. 682 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 683 684 // All available providers, for your resolving pleasure. 685 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 686 687 // Mapping from provider base names (first directory in content URI codePath) 688 // to the provider information. 689 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 690 new ArrayMap<String, PackageParser.Provider>(); 691 692 // Mapping from instrumentation class names to info about them. 693 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 694 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 695 696 // Mapping from permission names to info about them. 697 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 698 new ArrayMap<String, PackageParser.PermissionGroup>(); 699 700 // Packages whose data we have transfered into another package, thus 701 // should no longer exist. 702 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 703 704 // Broadcast actions that are only available to the system. 705 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 706 707 /** List of packages waiting for verification. */ 708 final SparseArray<PackageVerificationState> mPendingVerification 709 = new SparseArray<PackageVerificationState>(); 710 711 /** Set of packages associated with each app op permission. */ 712 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 713 714 final PackageInstallerService mInstallerService; 715 716 private final PackageDexOptimizer mPackageDexOptimizer; 717 718 private AtomicInteger mNextMoveId = new AtomicInteger(); 719 private final MoveCallbacks mMoveCallbacks; 720 721 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 722 723 // Cache of users who need badging. 724 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 725 726 /** Token for keys in mPendingVerification. */ 727 private int mPendingVerificationToken = 0; 728 729 volatile boolean mSystemReady; 730 volatile boolean mSafeMode; 731 volatile boolean mHasSystemUidErrors; 732 733 ApplicationInfo mAndroidApplication; 734 final ActivityInfo mResolveActivity = new ActivityInfo(); 735 final ResolveInfo mResolveInfo = new ResolveInfo(); 736 ComponentName mResolveComponentName; 737 PackageParser.Package mPlatformPackage; 738 ComponentName mCustomResolverComponentName; 739 740 boolean mResolverReplaced = false; 741 742 private final @Nullable ComponentName mIntentFilterVerifierComponent; 743 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 744 745 private int mIntentFilterVerificationToken = 0; 746 747 /** Component that knows whether or not an ephemeral application exists */ 748 final ComponentName mEphemeralResolverComponent; 749 /** The service connection to the ephemeral resolver */ 750 final EphemeralResolverConnection mEphemeralResolverConnection; 751 752 /** Component used to install ephemeral applications */ 753 final ComponentName mEphemeralInstallerComponent; 754 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 755 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 756 757 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 758 = new SparseArray<IntentFilterVerificationState>(); 759 760 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 761 762 // List of packages names to keep cached, even if they are uninstalled for all users 763 private List<String> mKeepUninstalledPackages; 764 765 private UserManagerInternal mUserManagerInternal; 766 767 private static class IFVerificationParams { 768 PackageParser.Package pkg; 769 boolean replacing; 770 int userId; 771 int verifierUid; 772 773 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 774 int _userId, int _verifierUid) { 775 pkg = _pkg; 776 replacing = _replacing; 777 userId = _userId; 778 replacing = _replacing; 779 verifierUid = _verifierUid; 780 } 781 } 782 783 private interface IntentFilterVerifier<T extends IntentFilter> { 784 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 785 T filter, String packageName); 786 void startVerifications(int userId); 787 void receiveVerificationResponse(int verificationId); 788 } 789 790 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 791 private Context mContext; 792 private ComponentName mIntentFilterVerifierComponent; 793 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 794 795 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 796 mContext = context; 797 mIntentFilterVerifierComponent = verifierComponent; 798 } 799 800 private String getDefaultScheme() { 801 return IntentFilter.SCHEME_HTTPS; 802 } 803 804 @Override 805 public void startVerifications(int userId) { 806 // Launch verifications requests 807 int count = mCurrentIntentFilterVerifications.size(); 808 for (int n=0; n<count; n++) { 809 int verificationId = mCurrentIntentFilterVerifications.get(n); 810 final IntentFilterVerificationState ivs = 811 mIntentFilterVerificationStates.get(verificationId); 812 813 String packageName = ivs.getPackageName(); 814 815 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 816 final int filterCount = filters.size(); 817 ArraySet<String> domainsSet = new ArraySet<>(); 818 for (int m=0; m<filterCount; m++) { 819 PackageParser.ActivityIntentInfo filter = filters.get(m); 820 domainsSet.addAll(filter.getHostsList()); 821 } 822 synchronized (mPackages) { 823 if (mSettings.createIntentFilterVerificationIfNeededLPw( 824 packageName, domainsSet) != null) { 825 scheduleWriteSettingsLocked(); 826 } 827 } 828 sendVerificationRequest(userId, verificationId, ivs); 829 } 830 mCurrentIntentFilterVerifications.clear(); 831 } 832 833 private void sendVerificationRequest(int userId, int verificationId, 834 IntentFilterVerificationState ivs) { 835 836 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 837 verificationIntent.putExtra( 838 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 839 verificationId); 840 verificationIntent.putExtra( 841 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 842 getDefaultScheme()); 843 verificationIntent.putExtra( 844 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 845 ivs.getHostsString()); 846 verificationIntent.putExtra( 847 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 848 ivs.getPackageName()); 849 verificationIntent.setComponent(mIntentFilterVerifierComponent); 850 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 851 852 UserHandle user = new UserHandle(userId); 853 mContext.sendBroadcastAsUser(verificationIntent, user); 854 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 855 "Sending IntentFilter verification broadcast"); 856 } 857 858 public void receiveVerificationResponse(int verificationId) { 859 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 860 861 final boolean verified = ivs.isVerified(); 862 863 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 864 final int count = filters.size(); 865 if (DEBUG_DOMAIN_VERIFICATION) { 866 Slog.i(TAG, "Received verification response " + verificationId 867 + " for " + count + " filters, verified=" + verified); 868 } 869 for (int n=0; n<count; n++) { 870 PackageParser.ActivityIntentInfo filter = filters.get(n); 871 filter.setVerified(verified); 872 873 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 874 + " verified with result:" + verified + " and hosts:" 875 + ivs.getHostsString()); 876 } 877 878 mIntentFilterVerificationStates.remove(verificationId); 879 880 final String packageName = ivs.getPackageName(); 881 IntentFilterVerificationInfo ivi = null; 882 883 synchronized (mPackages) { 884 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 885 } 886 if (ivi == null) { 887 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 888 + verificationId + " packageName:" + packageName); 889 return; 890 } 891 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 892 "Updating IntentFilterVerificationInfo for package " + packageName 893 +" verificationId:" + verificationId); 894 895 synchronized (mPackages) { 896 if (verified) { 897 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 898 } else { 899 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 900 } 901 scheduleWriteSettingsLocked(); 902 903 final int userId = ivs.getUserId(); 904 if (userId != UserHandle.USER_ALL) { 905 final int userStatus = 906 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 907 908 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 909 boolean needUpdate = false; 910 911 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 912 // already been set by the User thru the Disambiguation dialog 913 switch (userStatus) { 914 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 915 if (verified) { 916 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 917 } else { 918 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 919 } 920 needUpdate = true; 921 break; 922 923 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 924 if (verified) { 925 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 926 needUpdate = true; 927 } 928 break; 929 930 default: 931 // Nothing to do 932 } 933 934 if (needUpdate) { 935 mSettings.updateIntentFilterVerificationStatusLPw( 936 packageName, updatedStatus, userId); 937 scheduleWritePackageRestrictionsLocked(userId); 938 } 939 } 940 } 941 } 942 943 @Override 944 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 945 ActivityIntentInfo filter, String packageName) { 946 if (!hasValidDomains(filter)) { 947 return false; 948 } 949 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 950 if (ivs == null) { 951 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 952 packageName); 953 } 954 if (DEBUG_DOMAIN_VERIFICATION) { 955 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 956 } 957 ivs.addFilter(filter); 958 return true; 959 } 960 961 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 962 int userId, int verificationId, String packageName) { 963 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 964 verifierUid, userId, packageName); 965 ivs.setPendingState(); 966 synchronized (mPackages) { 967 mIntentFilterVerificationStates.append(verificationId, ivs); 968 mCurrentIntentFilterVerifications.add(verificationId); 969 } 970 return ivs; 971 } 972 } 973 974 private static boolean hasValidDomains(ActivityIntentInfo filter) { 975 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 976 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 977 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 978 } 979 980 // Set of pending broadcasts for aggregating enable/disable of components. 981 static class PendingPackageBroadcasts { 982 // for each user id, a map of <package name -> components within that package> 983 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 984 985 public PendingPackageBroadcasts() { 986 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 987 } 988 989 public ArrayList<String> get(int userId, String packageName) { 990 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 991 return packages.get(packageName); 992 } 993 994 public void put(int userId, String packageName, ArrayList<String> components) { 995 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 996 packages.put(packageName, components); 997 } 998 999 public void remove(int userId, String packageName) { 1000 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1001 if (packages != null) { 1002 packages.remove(packageName); 1003 } 1004 } 1005 1006 public void remove(int userId) { 1007 mUidMap.remove(userId); 1008 } 1009 1010 public int userIdCount() { 1011 return mUidMap.size(); 1012 } 1013 1014 public int userIdAt(int n) { 1015 return mUidMap.keyAt(n); 1016 } 1017 1018 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1019 return mUidMap.get(userId); 1020 } 1021 1022 public int size() { 1023 // total number of pending broadcast entries across all userIds 1024 int num = 0; 1025 for (int i = 0; i< mUidMap.size(); i++) { 1026 num += mUidMap.valueAt(i).size(); 1027 } 1028 return num; 1029 } 1030 1031 public void clear() { 1032 mUidMap.clear(); 1033 } 1034 1035 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1036 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1037 if (map == null) { 1038 map = new ArrayMap<String, ArrayList<String>>(); 1039 mUidMap.put(userId, map); 1040 } 1041 return map; 1042 } 1043 } 1044 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1045 1046 // Service Connection to remote media container service to copy 1047 // package uri's from external media onto secure containers 1048 // or internal storage. 1049 private IMediaContainerService mContainerService = null; 1050 1051 static final int SEND_PENDING_BROADCAST = 1; 1052 static final int MCS_BOUND = 3; 1053 static final int END_COPY = 4; 1054 static final int INIT_COPY = 5; 1055 static final int MCS_UNBIND = 6; 1056 static final int START_CLEANING_PACKAGE = 7; 1057 static final int FIND_INSTALL_LOC = 8; 1058 static final int POST_INSTALL = 9; 1059 static final int MCS_RECONNECT = 10; 1060 static final int MCS_GIVE_UP = 11; 1061 static final int UPDATED_MEDIA_STATUS = 12; 1062 static final int WRITE_SETTINGS = 13; 1063 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1064 static final int PACKAGE_VERIFIED = 15; 1065 static final int CHECK_PENDING_VERIFICATION = 16; 1066 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1067 static final int INTENT_FILTER_VERIFIED = 18; 1068 static final int WRITE_PACKAGE_LIST = 19; 1069 static final int EPHEMERAL_RESOLUTION_PHASE_TWO = 20; 1070 1071 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1072 1073 // Delay time in millisecs 1074 static final int BROADCAST_DELAY = 10 * 1000; 1075 1076 static UserManagerService sUserManager; 1077 1078 // Stores a list of users whose package restrictions file needs to be updated 1079 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1080 1081 final private DefaultContainerConnection mDefContainerConn = 1082 new DefaultContainerConnection(); 1083 class DefaultContainerConnection implements ServiceConnection { 1084 public void onServiceConnected(ComponentName name, IBinder service) { 1085 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1086 final IMediaContainerService imcs = IMediaContainerService.Stub 1087 .asInterface(Binder.allowBlocking(service)); 1088 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1089 } 1090 1091 public void onServiceDisconnected(ComponentName name) { 1092 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1093 } 1094 } 1095 1096 // Recordkeeping of restore-after-install operations that are currently in flight 1097 // between the Package Manager and the Backup Manager 1098 static class PostInstallData { 1099 public InstallArgs args; 1100 public PackageInstalledInfo res; 1101 1102 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1103 args = _a; 1104 res = _r; 1105 } 1106 } 1107 1108 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1109 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1110 1111 // XML tags for backup/restore of various bits of state 1112 private static final String TAG_PREFERRED_BACKUP = "pa"; 1113 private static final String TAG_DEFAULT_APPS = "da"; 1114 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1115 1116 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1117 private static final String TAG_ALL_GRANTS = "rt-grants"; 1118 private static final String TAG_GRANT = "grant"; 1119 private static final String ATTR_PACKAGE_NAME = "pkg"; 1120 1121 private static final String TAG_PERMISSION = "perm"; 1122 private static final String ATTR_PERMISSION_NAME = "name"; 1123 private static final String ATTR_IS_GRANTED = "g"; 1124 private static final String ATTR_USER_SET = "set"; 1125 private static final String ATTR_USER_FIXED = "fixed"; 1126 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1127 1128 // System/policy permission grants are not backed up 1129 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1130 FLAG_PERMISSION_POLICY_FIXED 1131 | FLAG_PERMISSION_SYSTEM_FIXED 1132 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1133 1134 // And we back up these user-adjusted states 1135 private static final int USER_RUNTIME_GRANT_MASK = 1136 FLAG_PERMISSION_USER_SET 1137 | FLAG_PERMISSION_USER_FIXED 1138 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1139 1140 final @Nullable String mRequiredVerifierPackage; 1141 final @NonNull String mRequiredInstallerPackage; 1142 final @NonNull String mRequiredUninstallerPackage; 1143 final @Nullable String mSetupWizardPackage; 1144 final @Nullable String mStorageManagerPackage; 1145 final @NonNull String mServicesSystemSharedLibraryPackageName; 1146 final @NonNull String mSharedSystemSharedLibraryPackageName; 1147 1148 final boolean mPermissionReviewRequired; 1149 1150 private final PackageUsage mPackageUsage = new PackageUsage(); 1151 private final CompilerStats mCompilerStats = new CompilerStats(); 1152 1153 class PackageHandler extends Handler { 1154 private boolean mBound = false; 1155 final ArrayList<HandlerParams> mPendingInstalls = 1156 new ArrayList<HandlerParams>(); 1157 1158 private boolean connectToService() { 1159 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1160 " DefaultContainerService"); 1161 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1162 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1163 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1164 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1165 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1166 mBound = true; 1167 return true; 1168 } 1169 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1170 return false; 1171 } 1172 1173 private void disconnectService() { 1174 mContainerService = null; 1175 mBound = false; 1176 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1177 mContext.unbindService(mDefContainerConn); 1178 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1179 } 1180 1181 PackageHandler(Looper looper) { 1182 super(looper); 1183 } 1184 1185 public void handleMessage(Message msg) { 1186 try { 1187 doHandleMessage(msg); 1188 } finally { 1189 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1190 } 1191 } 1192 1193 void doHandleMessage(Message msg) { 1194 switch (msg.what) { 1195 case INIT_COPY: { 1196 HandlerParams params = (HandlerParams) msg.obj; 1197 int idx = mPendingInstalls.size(); 1198 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1199 // If a bind was already initiated we dont really 1200 // need to do anything. The pending install 1201 // will be processed later on. 1202 if (!mBound) { 1203 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1204 System.identityHashCode(mHandler)); 1205 // If this is the only one pending we might 1206 // have to bind to the service again. 1207 if (!connectToService()) { 1208 Slog.e(TAG, "Failed to bind to media container service"); 1209 params.serviceError(); 1210 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1211 System.identityHashCode(mHandler)); 1212 if (params.traceMethod != null) { 1213 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1214 params.traceCookie); 1215 } 1216 return; 1217 } else { 1218 // Once we bind to the service, the first 1219 // pending request will be processed. 1220 mPendingInstalls.add(idx, params); 1221 } 1222 } else { 1223 mPendingInstalls.add(idx, params); 1224 // Already bound to the service. Just make 1225 // sure we trigger off processing the first request. 1226 if (idx == 0) { 1227 mHandler.sendEmptyMessage(MCS_BOUND); 1228 } 1229 } 1230 break; 1231 } 1232 case MCS_BOUND: { 1233 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1234 if (msg.obj != null) { 1235 mContainerService = (IMediaContainerService) msg.obj; 1236 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1237 System.identityHashCode(mHandler)); 1238 } 1239 if (mContainerService == null) { 1240 if (!mBound) { 1241 // Something seriously wrong since we are not bound and we are not 1242 // waiting for connection. Bail out. 1243 Slog.e(TAG, "Cannot bind to media container service"); 1244 for (HandlerParams params : mPendingInstalls) { 1245 // Indicate service bind error 1246 params.serviceError(); 1247 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1248 System.identityHashCode(params)); 1249 if (params.traceMethod != null) { 1250 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1251 params.traceMethod, params.traceCookie); 1252 } 1253 return; 1254 } 1255 mPendingInstalls.clear(); 1256 } else { 1257 Slog.w(TAG, "Waiting to connect to media container service"); 1258 } 1259 } else if (mPendingInstalls.size() > 0) { 1260 HandlerParams params = mPendingInstalls.get(0); 1261 if (params != null) { 1262 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1263 System.identityHashCode(params)); 1264 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1265 if (params.startCopy()) { 1266 // We are done... look for more work or to 1267 // go idle. 1268 if (DEBUG_SD_INSTALL) Log.i(TAG, 1269 "Checking for more work or unbind..."); 1270 // Delete pending install 1271 if (mPendingInstalls.size() > 0) { 1272 mPendingInstalls.remove(0); 1273 } 1274 if (mPendingInstalls.size() == 0) { 1275 if (mBound) { 1276 if (DEBUG_SD_INSTALL) Log.i(TAG, 1277 "Posting delayed MCS_UNBIND"); 1278 removeMessages(MCS_UNBIND); 1279 Message ubmsg = obtainMessage(MCS_UNBIND); 1280 // Unbind after a little delay, to avoid 1281 // continual thrashing. 1282 sendMessageDelayed(ubmsg, 10000); 1283 } 1284 } else { 1285 // There are more pending requests in queue. 1286 // Just post MCS_BOUND message to trigger processing 1287 // of next pending install. 1288 if (DEBUG_SD_INSTALL) Log.i(TAG, 1289 "Posting MCS_BOUND for next work"); 1290 mHandler.sendEmptyMessage(MCS_BOUND); 1291 } 1292 } 1293 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1294 } 1295 } else { 1296 // Should never happen ideally. 1297 Slog.w(TAG, "Empty queue"); 1298 } 1299 break; 1300 } 1301 case MCS_RECONNECT: { 1302 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1303 if (mPendingInstalls.size() > 0) { 1304 if (mBound) { 1305 disconnectService(); 1306 } 1307 if (!connectToService()) { 1308 Slog.e(TAG, "Failed to bind to media container service"); 1309 for (HandlerParams params : mPendingInstalls) { 1310 // Indicate service bind error 1311 params.serviceError(); 1312 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1313 System.identityHashCode(params)); 1314 } 1315 mPendingInstalls.clear(); 1316 } 1317 } 1318 break; 1319 } 1320 case MCS_UNBIND: { 1321 // If there is no actual work left, then time to unbind. 1322 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1323 1324 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1325 if (mBound) { 1326 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1327 1328 disconnectService(); 1329 } 1330 } else if (mPendingInstalls.size() > 0) { 1331 // There are more pending requests in queue. 1332 // Just post MCS_BOUND message to trigger processing 1333 // of next pending install. 1334 mHandler.sendEmptyMessage(MCS_BOUND); 1335 } 1336 1337 break; 1338 } 1339 case MCS_GIVE_UP: { 1340 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1341 HandlerParams params = mPendingInstalls.remove(0); 1342 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1343 System.identityHashCode(params)); 1344 break; 1345 } 1346 case SEND_PENDING_BROADCAST: { 1347 String packages[]; 1348 ArrayList<String> components[]; 1349 int size = 0; 1350 int uids[]; 1351 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1352 synchronized (mPackages) { 1353 if (mPendingBroadcasts == null) { 1354 return; 1355 } 1356 size = mPendingBroadcasts.size(); 1357 if (size <= 0) { 1358 // Nothing to be done. Just return 1359 return; 1360 } 1361 packages = new String[size]; 1362 components = new ArrayList[size]; 1363 uids = new int[size]; 1364 int i = 0; // filling out the above arrays 1365 1366 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1367 int packageUserId = mPendingBroadcasts.userIdAt(n); 1368 Iterator<Map.Entry<String, ArrayList<String>>> it 1369 = mPendingBroadcasts.packagesForUserId(packageUserId) 1370 .entrySet().iterator(); 1371 while (it.hasNext() && i < size) { 1372 Map.Entry<String, ArrayList<String>> ent = it.next(); 1373 packages[i] = ent.getKey(); 1374 components[i] = ent.getValue(); 1375 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1376 uids[i] = (ps != null) 1377 ? UserHandle.getUid(packageUserId, ps.appId) 1378 : -1; 1379 i++; 1380 } 1381 } 1382 size = i; 1383 mPendingBroadcasts.clear(); 1384 } 1385 // Send broadcasts 1386 for (int i = 0; i < size; i++) { 1387 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1388 } 1389 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1390 break; 1391 } 1392 case START_CLEANING_PACKAGE: { 1393 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1394 final String packageName = (String)msg.obj; 1395 final int userId = msg.arg1; 1396 final boolean andCode = msg.arg2 != 0; 1397 synchronized (mPackages) { 1398 if (userId == UserHandle.USER_ALL) { 1399 int[] users = sUserManager.getUserIds(); 1400 for (int user : users) { 1401 mSettings.addPackageToCleanLPw( 1402 new PackageCleanItem(user, packageName, andCode)); 1403 } 1404 } else { 1405 mSettings.addPackageToCleanLPw( 1406 new PackageCleanItem(userId, packageName, andCode)); 1407 } 1408 } 1409 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1410 startCleaningPackages(); 1411 } break; 1412 case POST_INSTALL: { 1413 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1414 1415 PostInstallData data = mRunningInstalls.get(msg.arg1); 1416 final boolean didRestore = (msg.arg2 != 0); 1417 mRunningInstalls.delete(msg.arg1); 1418 1419 if (data != null) { 1420 InstallArgs args = data.args; 1421 PackageInstalledInfo parentRes = data.res; 1422 1423 final boolean grantPermissions = (args.installFlags 1424 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1425 final boolean killApp = (args.installFlags 1426 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1427 final String[] grantedPermissions = args.installGrantPermissions; 1428 1429 // Handle the parent package 1430 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1431 grantedPermissions, didRestore, args.installerPackageName, 1432 args.observer); 1433 1434 // Handle the child packages 1435 final int childCount = (parentRes.addedChildPackages != null) 1436 ? parentRes.addedChildPackages.size() : 0; 1437 for (int i = 0; i < childCount; i++) { 1438 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1439 handlePackagePostInstall(childRes, grantPermissions, killApp, 1440 grantedPermissions, false, args.installerPackageName, 1441 args.observer); 1442 } 1443 1444 // Log tracing if needed 1445 if (args.traceMethod != null) { 1446 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1447 args.traceCookie); 1448 } 1449 } else { 1450 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1451 } 1452 1453 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1454 } break; 1455 case UPDATED_MEDIA_STATUS: { 1456 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1457 boolean reportStatus = msg.arg1 == 1; 1458 boolean doGc = msg.arg2 == 1; 1459 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1460 if (doGc) { 1461 // Force a gc to clear up stale containers. 1462 Runtime.getRuntime().gc(); 1463 } 1464 if (msg.obj != null) { 1465 @SuppressWarnings("unchecked") 1466 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1467 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1468 // Unload containers 1469 unloadAllContainers(args); 1470 } 1471 if (reportStatus) { 1472 try { 1473 if (DEBUG_SD_INSTALL) Log.i(TAG, 1474 "Invoking StorageManagerService call back"); 1475 PackageHelper.getStorageManager().finishMediaUpdate(); 1476 } catch (RemoteException e) { 1477 Log.e(TAG, "StorageManagerService not running?"); 1478 } 1479 } 1480 } break; 1481 case WRITE_SETTINGS: { 1482 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1483 synchronized (mPackages) { 1484 removeMessages(WRITE_SETTINGS); 1485 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1486 mSettings.writeLPr(); 1487 mDirtyUsers.clear(); 1488 } 1489 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1490 } break; 1491 case WRITE_PACKAGE_RESTRICTIONS: { 1492 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1493 synchronized (mPackages) { 1494 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1495 for (int userId : mDirtyUsers) { 1496 mSettings.writePackageRestrictionsLPr(userId); 1497 } 1498 mDirtyUsers.clear(); 1499 } 1500 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1501 } break; 1502 case WRITE_PACKAGE_LIST: { 1503 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1504 synchronized (mPackages) { 1505 removeMessages(WRITE_PACKAGE_LIST); 1506 mSettings.writePackageListLPr(msg.arg1); 1507 } 1508 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1509 } break; 1510 case CHECK_PENDING_VERIFICATION: { 1511 final int verificationId = msg.arg1; 1512 final PackageVerificationState state = mPendingVerification.get(verificationId); 1513 1514 if ((state != null) && !state.timeoutExtended()) { 1515 final InstallArgs args = state.getInstallArgs(); 1516 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1517 1518 Slog.i(TAG, "Verification timed out for " + originUri); 1519 mPendingVerification.remove(verificationId); 1520 1521 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1522 1523 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1524 Slog.i(TAG, "Continuing with installation of " + originUri); 1525 state.setVerifierResponse(Binder.getCallingUid(), 1526 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1527 broadcastPackageVerified(verificationId, originUri, 1528 PackageManager.VERIFICATION_ALLOW, 1529 state.getInstallArgs().getUser()); 1530 try { 1531 ret = args.copyApk(mContainerService, true); 1532 } catch (RemoteException e) { 1533 Slog.e(TAG, "Could not contact the ContainerService"); 1534 } 1535 } else { 1536 broadcastPackageVerified(verificationId, originUri, 1537 PackageManager.VERIFICATION_REJECT, 1538 state.getInstallArgs().getUser()); 1539 } 1540 1541 Trace.asyncTraceEnd( 1542 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1543 1544 processPendingInstall(args, ret); 1545 mHandler.sendEmptyMessage(MCS_UNBIND); 1546 } 1547 break; 1548 } 1549 case PACKAGE_VERIFIED: { 1550 final int verificationId = msg.arg1; 1551 1552 final PackageVerificationState state = mPendingVerification.get(verificationId); 1553 if (state == null) { 1554 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1555 break; 1556 } 1557 1558 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1559 1560 state.setVerifierResponse(response.callerUid, response.code); 1561 1562 if (state.isVerificationComplete()) { 1563 mPendingVerification.remove(verificationId); 1564 1565 final InstallArgs args = state.getInstallArgs(); 1566 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1567 1568 int ret; 1569 if (state.isInstallAllowed()) { 1570 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1571 broadcastPackageVerified(verificationId, originUri, 1572 response.code, state.getInstallArgs().getUser()); 1573 try { 1574 ret = args.copyApk(mContainerService, true); 1575 } catch (RemoteException e) { 1576 Slog.e(TAG, "Could not contact the ContainerService"); 1577 } 1578 } else { 1579 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1580 } 1581 1582 Trace.asyncTraceEnd( 1583 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1584 1585 processPendingInstall(args, ret); 1586 mHandler.sendEmptyMessage(MCS_UNBIND); 1587 } 1588 1589 break; 1590 } 1591 case START_INTENT_FILTER_VERIFICATIONS: { 1592 IFVerificationParams params = (IFVerificationParams) msg.obj; 1593 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1594 params.replacing, params.pkg); 1595 break; 1596 } 1597 case INTENT_FILTER_VERIFIED: { 1598 final int verificationId = msg.arg1; 1599 1600 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1601 verificationId); 1602 if (state == null) { 1603 Slog.w(TAG, "Invalid IntentFilter verification token " 1604 + verificationId + " received"); 1605 break; 1606 } 1607 1608 final int userId = state.getUserId(); 1609 1610 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1611 "Processing IntentFilter verification with token:" 1612 + verificationId + " and userId:" + userId); 1613 1614 final IntentFilterVerificationResponse response = 1615 (IntentFilterVerificationResponse) msg.obj; 1616 1617 state.setVerifierResponse(response.callerUid, response.code); 1618 1619 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1620 "IntentFilter verification with token:" + verificationId 1621 + " and userId:" + userId 1622 + " is settings verifier response with response code:" 1623 + response.code); 1624 1625 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1626 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1627 + response.getFailedDomainsString()); 1628 } 1629 1630 if (state.isVerificationComplete()) { 1631 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1632 } else { 1633 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1634 "IntentFilter verification with token:" + verificationId 1635 + " was not said to be complete"); 1636 } 1637 1638 break; 1639 } 1640 case EPHEMERAL_RESOLUTION_PHASE_TWO: { 1641 EphemeralResolver.doEphemeralResolutionPhaseTwo(mContext, 1642 mEphemeralResolverConnection, 1643 (EphemeralRequest) msg.obj, 1644 mEphemeralInstallerActivity, 1645 mHandler); 1646 } 1647 } 1648 } 1649 } 1650 1651 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1652 boolean killApp, String[] grantedPermissions, 1653 boolean launchedForRestore, String installerPackage, 1654 IPackageInstallObserver2 installObserver) { 1655 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1656 // Send the removed broadcasts 1657 if (res.removedInfo != null) { 1658 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1659 } 1660 1661 // Now that we successfully installed the package, grant runtime 1662 // permissions if requested before broadcasting the install. 1663 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1664 >= Build.VERSION_CODES.M) { 1665 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1666 } 1667 1668 final boolean update = res.removedInfo != null 1669 && res.removedInfo.removedPackage != null; 1670 1671 // If this is the first time we have child packages for a disabled privileged 1672 // app that had no children, we grant requested runtime permissions to the new 1673 // children if the parent on the system image had them already granted. 1674 if (res.pkg.parentPackage != null) { 1675 synchronized (mPackages) { 1676 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1677 } 1678 } 1679 1680 synchronized (mPackages) { 1681 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1682 } 1683 1684 final String packageName = res.pkg.applicationInfo.packageName; 1685 1686 // Determine the set of users who are adding this package for 1687 // the first time vs. those who are seeing an update. 1688 int[] firstUsers = EMPTY_INT_ARRAY; 1689 int[] updateUsers = EMPTY_INT_ARRAY; 1690 if (res.origUsers == null || res.origUsers.length == 0) { 1691 firstUsers = res.newUsers; 1692 } else { 1693 for (int newUser : res.newUsers) { 1694 boolean isNew = true; 1695 for (int origUser : res.origUsers) { 1696 if (origUser == newUser) { 1697 isNew = false; 1698 break; 1699 } 1700 } 1701 if (isNew) { 1702 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1703 } else { 1704 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1705 } 1706 } 1707 } 1708 1709 // Send installed broadcasts if the install/update is not ephemeral 1710 if (!isEphemeral(res.pkg)) { 1711 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1712 1713 // Send added for users that see the package for the first time 1714 // sendPackageAddedForNewUsers also deals with system apps 1715 int appId = UserHandle.getAppId(res.uid); 1716 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1717 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1718 1719 // Send added for users that don't see the package for the first time 1720 Bundle extras = new Bundle(1); 1721 extras.putInt(Intent.EXTRA_UID, res.uid); 1722 if (update) { 1723 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1724 } 1725 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1726 extras, 0 /*flags*/, null /*targetPackage*/, 1727 null /*finishedReceiver*/, updateUsers); 1728 1729 // Send replaced for users that don't see the package for the first time 1730 if (update) { 1731 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1732 packageName, extras, 0 /*flags*/, 1733 null /*targetPackage*/, null /*finishedReceiver*/, 1734 updateUsers); 1735 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1736 null /*package*/, null /*extras*/, 0 /*flags*/, 1737 packageName /*targetPackage*/, 1738 null /*finishedReceiver*/, updateUsers); 1739 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1740 // First-install and we did a restore, so we're responsible for the 1741 // first-launch broadcast. 1742 if (DEBUG_BACKUP) { 1743 Slog.i(TAG, "Post-restore of " + packageName 1744 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1745 } 1746 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1747 } 1748 1749 // Send broadcast package appeared if forward locked/external for all users 1750 // treat asec-hosted packages like removable media on upgrade 1751 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1752 if (DEBUG_INSTALL) { 1753 Slog.i(TAG, "upgrading pkg " + res.pkg 1754 + " is ASEC-hosted -> AVAILABLE"); 1755 } 1756 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1757 ArrayList<String> pkgList = new ArrayList<>(1); 1758 pkgList.add(packageName); 1759 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1760 } 1761 } 1762 1763 // Work that needs to happen on first install within each user 1764 if (firstUsers != null && firstUsers.length > 0) { 1765 synchronized (mPackages) { 1766 for (int userId : firstUsers) { 1767 // If this app is a browser and it's newly-installed for some 1768 // users, clear any default-browser state in those users. The 1769 // app's nature doesn't depend on the user, so we can just check 1770 // its browser nature in any user and generalize. 1771 if (packageIsBrowser(packageName, userId)) { 1772 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1773 } 1774 1775 // We may also need to apply pending (restored) runtime 1776 // permission grants within these users. 1777 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1778 } 1779 } 1780 } 1781 1782 // Log current value of "unknown sources" setting 1783 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1784 getUnknownSourcesSettings()); 1785 1786 // Force a gc to clear up things 1787 Runtime.getRuntime().gc(); 1788 1789 // Remove the replaced package's older resources safely now 1790 // We delete after a gc for applications on sdcard. 1791 if (res.removedInfo != null && res.removedInfo.args != null) { 1792 synchronized (mInstallLock) { 1793 res.removedInfo.args.doPostDeleteLI(true); 1794 } 1795 } 1796 } 1797 1798 // If someone is watching installs - notify them 1799 if (installObserver != null) { 1800 try { 1801 Bundle extras = extrasForInstallResult(res); 1802 installObserver.onPackageInstalled(res.name, res.returnCode, 1803 res.returnMsg, extras); 1804 } catch (RemoteException e) { 1805 Slog.i(TAG, "Observer no longer exists."); 1806 } 1807 } 1808 } 1809 1810 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1811 PackageParser.Package pkg) { 1812 if (pkg.parentPackage == null) { 1813 return; 1814 } 1815 if (pkg.requestedPermissions == null) { 1816 return; 1817 } 1818 final PackageSetting disabledSysParentPs = mSettings 1819 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1820 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1821 || !disabledSysParentPs.isPrivileged() 1822 || (disabledSysParentPs.childPackageNames != null 1823 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1824 return; 1825 } 1826 final int[] allUserIds = sUserManager.getUserIds(); 1827 final int permCount = pkg.requestedPermissions.size(); 1828 for (int i = 0; i < permCount; i++) { 1829 String permission = pkg.requestedPermissions.get(i); 1830 BasePermission bp = mSettings.mPermissions.get(permission); 1831 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1832 continue; 1833 } 1834 for (int userId : allUserIds) { 1835 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1836 permission, userId)) { 1837 grantRuntimePermission(pkg.packageName, permission, userId); 1838 } 1839 } 1840 } 1841 } 1842 1843 private StorageEventListener mStorageListener = new StorageEventListener() { 1844 @Override 1845 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1846 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1847 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1848 final String volumeUuid = vol.getFsUuid(); 1849 1850 // Clean up any users or apps that were removed or recreated 1851 // while this volume was missing 1852 reconcileUsers(volumeUuid); 1853 reconcileApps(volumeUuid); 1854 1855 // Clean up any install sessions that expired or were 1856 // cancelled while this volume was missing 1857 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1858 1859 loadPrivatePackages(vol); 1860 1861 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1862 unloadPrivatePackages(vol); 1863 } 1864 } 1865 1866 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1867 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1868 updateExternalMediaStatus(true, false); 1869 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1870 updateExternalMediaStatus(false, false); 1871 } 1872 } 1873 } 1874 1875 @Override 1876 public void onVolumeForgotten(String fsUuid) { 1877 if (TextUtils.isEmpty(fsUuid)) { 1878 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1879 return; 1880 } 1881 1882 // Remove any apps installed on the forgotten volume 1883 synchronized (mPackages) { 1884 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1885 for (PackageSetting ps : packages) { 1886 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1887 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1888 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1889 1890 // Try very hard to release any references to this package 1891 // so we don't risk the system server being killed due to 1892 // open FDs 1893 AttributeCache.instance().removePackage(ps.name); 1894 } 1895 1896 mSettings.onVolumeForgotten(fsUuid); 1897 mSettings.writeLPr(); 1898 } 1899 } 1900 }; 1901 1902 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1903 String[] grantedPermissions) { 1904 for (int userId : userIds) { 1905 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1906 } 1907 1908 // We could have touched GID membership, so flush out packages.list 1909 synchronized (mPackages) { 1910 mSettings.writePackageListLPr(); 1911 } 1912 } 1913 1914 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1915 String[] grantedPermissions) { 1916 SettingBase sb = (SettingBase) pkg.mExtras; 1917 if (sb == null) { 1918 return; 1919 } 1920 1921 PermissionsState permissionsState = sb.getPermissionsState(); 1922 1923 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1924 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1925 1926 for (String permission : pkg.requestedPermissions) { 1927 final BasePermission bp; 1928 synchronized (mPackages) { 1929 bp = mSettings.mPermissions.get(permission); 1930 } 1931 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1932 && (grantedPermissions == null 1933 || ArrayUtils.contains(grantedPermissions, permission))) { 1934 final int flags = permissionsState.getPermissionFlags(permission, userId); 1935 // Installer cannot change immutable permissions. 1936 if ((flags & immutableFlags) == 0) { 1937 grantRuntimePermission(pkg.packageName, permission, userId); 1938 } 1939 } 1940 } 1941 } 1942 1943 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1944 Bundle extras = null; 1945 switch (res.returnCode) { 1946 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1947 extras = new Bundle(); 1948 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1949 res.origPermission); 1950 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1951 res.origPackage); 1952 break; 1953 } 1954 case PackageManager.INSTALL_SUCCEEDED: { 1955 extras = new Bundle(); 1956 extras.putBoolean(Intent.EXTRA_REPLACING, 1957 res.removedInfo != null && res.removedInfo.removedPackage != null); 1958 break; 1959 } 1960 } 1961 return extras; 1962 } 1963 1964 void scheduleWriteSettingsLocked() { 1965 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1966 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1967 } 1968 } 1969 1970 void scheduleWritePackageListLocked(int userId) { 1971 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1972 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1973 msg.arg1 = userId; 1974 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1975 } 1976 } 1977 1978 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1979 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1980 scheduleWritePackageRestrictionsLocked(userId); 1981 } 1982 1983 void scheduleWritePackageRestrictionsLocked(int userId) { 1984 final int[] userIds = (userId == UserHandle.USER_ALL) 1985 ? sUserManager.getUserIds() : new int[]{userId}; 1986 for (int nextUserId : userIds) { 1987 if (!sUserManager.exists(nextUserId)) return; 1988 mDirtyUsers.add(nextUserId); 1989 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1990 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1991 } 1992 } 1993 } 1994 1995 public static PackageManagerService main(Context context, Installer installer, 1996 boolean factoryTest, boolean onlyCore) { 1997 // Self-check for initial settings. 1998 PackageManagerServiceCompilerMapping.checkProperties(); 1999 2000 PackageManagerService m = new PackageManagerService(context, installer, 2001 factoryTest, onlyCore); 2002 m.enableSystemUserPackages(); 2003 ServiceManager.addService("package", m); 2004 return m; 2005 } 2006 2007 private void enableSystemUserPackages() { 2008 if (!UserManager.isSplitSystemUser()) { 2009 return; 2010 } 2011 // For system user, enable apps based on the following conditions: 2012 // - app is whitelisted or belong to one of these groups: 2013 // -- system app which has no launcher icons 2014 // -- system app which has INTERACT_ACROSS_USERS permission 2015 // -- system IME app 2016 // - app is not in the blacklist 2017 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2018 Set<String> enableApps = new ArraySet<>(); 2019 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2020 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2021 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2022 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2023 enableApps.addAll(wlApps); 2024 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2025 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2026 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2027 enableApps.removeAll(blApps); 2028 Log.i(TAG, "Applications installed for system user: " + enableApps); 2029 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2030 UserHandle.SYSTEM); 2031 final int allAppsSize = allAps.size(); 2032 synchronized (mPackages) { 2033 for (int i = 0; i < allAppsSize; i++) { 2034 String pName = allAps.get(i); 2035 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2036 // Should not happen, but we shouldn't be failing if it does 2037 if (pkgSetting == null) { 2038 continue; 2039 } 2040 boolean install = enableApps.contains(pName); 2041 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2042 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2043 + " for system user"); 2044 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2045 } 2046 } 2047 } 2048 } 2049 2050 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2051 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2052 Context.DISPLAY_SERVICE); 2053 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2054 } 2055 2056 /** 2057 * Requests that files preopted on a secondary system partition be copied to the data partition 2058 * if possible. Note that the actual copying of the files is accomplished by init for security 2059 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2060 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2061 */ 2062 private static void requestCopyPreoptedFiles() { 2063 final int WAIT_TIME_MS = 100; 2064 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2065 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2066 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2067 // We will wait for up to 100 seconds. 2068 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2069 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2070 try { 2071 Thread.sleep(WAIT_TIME_MS); 2072 } catch (InterruptedException e) { 2073 // Do nothing 2074 } 2075 if (SystemClock.uptimeMillis() > timeEnd) { 2076 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2077 Slog.wtf(TAG, "cppreopt did not finish!"); 2078 break; 2079 } 2080 } 2081 } 2082 } 2083 2084 public PackageManagerService(Context context, Installer installer, 2085 boolean factoryTest, boolean onlyCore) { 2086 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2087 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2088 SystemClock.uptimeMillis()); 2089 2090 if (mSdkVersion <= 0) { 2091 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2092 } 2093 2094 mContext = context; 2095 2096 mPermissionReviewRequired = context.getResources().getBoolean( 2097 R.bool.config_permissionReviewRequired); 2098 2099 mFactoryTest = factoryTest; 2100 mOnlyCore = onlyCore; 2101 mMetrics = new DisplayMetrics(); 2102 mSettings = new Settings(mPackages); 2103 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2104 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2105 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2106 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2107 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2108 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2109 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2110 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2111 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2112 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2113 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2114 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2115 2116 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2117 if (separateProcesses != null && separateProcesses.length() > 0) { 2118 if ("*".equals(separateProcesses)) { 2119 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2120 mSeparateProcesses = null; 2121 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2122 } else { 2123 mDefParseFlags = 0; 2124 mSeparateProcesses = separateProcesses.split(","); 2125 Slog.w(TAG, "Running with debug.separate_processes: " 2126 + separateProcesses); 2127 } 2128 } else { 2129 mDefParseFlags = 0; 2130 mSeparateProcesses = null; 2131 } 2132 2133 mInstaller = installer; 2134 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2135 "*dexopt*"); 2136 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2137 2138 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2139 FgThread.get().getLooper()); 2140 2141 getDefaultDisplayMetrics(context, mMetrics); 2142 2143 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2144 SystemConfig systemConfig = SystemConfig.getInstance(); 2145 mGlobalGids = systemConfig.getGlobalGids(); 2146 mSystemPermissions = systemConfig.getSystemPermissions(); 2147 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2148 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2149 2150 mProtectedPackages = new ProtectedPackages(mContext); 2151 2152 synchronized (mInstallLock) { 2153 // writer 2154 synchronized (mPackages) { 2155 mHandlerThread = new ServiceThread(TAG, 2156 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2157 mHandlerThread.start(); 2158 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2159 mProcessLoggingHandler = new ProcessLoggingHandler(); 2160 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2161 2162 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2163 2164 File dataDir = Environment.getDataDirectory(); 2165 mAppInstallDir = new File(dataDir, "app"); 2166 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2167 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2168 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2169 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2170 2171 sUserManager = new UserManagerService(context, this, mPackages); 2172 2173 // Propagate permission configuration in to package manager. 2174 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2175 = systemConfig.getPermissions(); 2176 for (int i=0; i<permConfig.size(); i++) { 2177 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2178 BasePermission bp = mSettings.mPermissions.get(perm.name); 2179 if (bp == null) { 2180 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2181 mSettings.mPermissions.put(perm.name, bp); 2182 } 2183 if (perm.gids != null) { 2184 bp.setGids(perm.gids, perm.perUser); 2185 } 2186 } 2187 2188 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2189 for (int i=0; i<libConfig.size(); i++) { 2190 mSharedLibraries.put(libConfig.keyAt(i), 2191 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2192 } 2193 2194 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2195 2196 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2197 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2198 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2199 2200 if (mFirstBoot) { 2201 requestCopyPreoptedFiles(); 2202 } 2203 2204 String customResolverActivity = Resources.getSystem().getString( 2205 R.string.config_customResolverActivity); 2206 if (TextUtils.isEmpty(customResolverActivity)) { 2207 customResolverActivity = null; 2208 } else { 2209 mCustomResolverComponentName = ComponentName.unflattenFromString( 2210 customResolverActivity); 2211 } 2212 2213 long startTime = SystemClock.uptimeMillis(); 2214 2215 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2216 startTime); 2217 2218 // Set flag to monitor and not change apk file paths when 2219 // scanning install directories. 2220 final int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2221 2222 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2223 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2224 2225 if (bootClassPath == null) { 2226 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2227 } 2228 2229 if (systemServerClassPath == null) { 2230 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2231 } 2232 2233 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2234 final String[] dexCodeInstructionSets = 2235 getDexCodeInstructionSets( 2236 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2237 2238 /** 2239 * Ensure all external libraries have had dexopt run on them. 2240 */ 2241 if (mSharedLibraries.size() > 0) { 2242 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2243 // NOTE: For now, we're compiling these system "shared libraries" 2244 // (and framework jars) into all available architectures. It's possible 2245 // to compile them only when we come across an app that uses them (there's 2246 // already logic for that in scanPackageLI) but that adds some complexity. 2247 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2248 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2249 final String lib = libEntry.path; 2250 if (lib == null) { 2251 continue; 2252 } 2253 2254 try { 2255 // Shared libraries do not have profiles so we perform a full 2256 // AOT compilation (if needed). 2257 int dexoptNeeded = DexFile.getDexOptNeeded( 2258 lib, dexCodeInstructionSet, 2259 getCompilerFilterForReason(REASON_SHARED_APK), 2260 false /* newProfile */); 2261 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2262 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2263 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2264 getCompilerFilterForReason(REASON_SHARED_APK), 2265 StorageManager.UUID_PRIVATE_INTERNAL, 2266 SKIP_SHARED_LIBRARY_CHECK); 2267 } 2268 } catch (FileNotFoundException e) { 2269 Slog.w(TAG, "Library not found: " + lib); 2270 } catch (IOException | InstallerException e) { 2271 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2272 + e.getMessage()); 2273 } 2274 } 2275 } 2276 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2277 } 2278 2279 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2280 2281 final VersionInfo ver = mSettings.getInternalVersion(); 2282 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2283 2284 // when upgrading from pre-M, promote system app permissions from install to runtime 2285 mPromoteSystemApps = 2286 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2287 2288 // When upgrading from pre-N, we need to handle package extraction like first boot, 2289 // as there is no profiling data available. 2290 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2291 2292 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2293 2294 // save off the names of pre-existing system packages prior to scanning; we don't 2295 // want to automatically grant runtime permissions for new system apps 2296 if (mPromoteSystemApps) { 2297 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2298 while (pkgSettingIter.hasNext()) { 2299 PackageSetting ps = pkgSettingIter.next(); 2300 if (isSystemApp(ps)) { 2301 mExistingSystemPackages.add(ps.name); 2302 } 2303 } 2304 } 2305 2306 // Collect vendor overlay packages. (Do this before scanning any apps.) 2307 // For security and version matching reason, only consider 2308 // overlay packages if they reside in the right directory. 2309 String overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PERSIST_PROPERTY); 2310 if (overlayThemeDir.isEmpty()) { 2311 overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PROPERTY); 2312 } 2313 if (!overlayThemeDir.isEmpty()) { 2314 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlayThemeDir), mDefParseFlags 2315 | PackageParser.PARSE_IS_SYSTEM 2316 | PackageParser.PARSE_IS_SYSTEM_DIR 2317 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2318 } 2319 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2320 | PackageParser.PARSE_IS_SYSTEM 2321 | PackageParser.PARSE_IS_SYSTEM_DIR 2322 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2323 2324 // Find base frameworks (resource packages without code). 2325 scanDirTracedLI(frameworkDir, mDefParseFlags 2326 | PackageParser.PARSE_IS_SYSTEM 2327 | PackageParser.PARSE_IS_SYSTEM_DIR 2328 | PackageParser.PARSE_IS_PRIVILEGED, 2329 scanFlags | SCAN_NO_DEX, 0); 2330 2331 // Collected privileged system packages. 2332 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2333 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2334 | PackageParser.PARSE_IS_SYSTEM 2335 | PackageParser.PARSE_IS_SYSTEM_DIR 2336 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2337 2338 // Collect ordinary system packages. 2339 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2340 scanDirTracedLI(systemAppDir, mDefParseFlags 2341 | PackageParser.PARSE_IS_SYSTEM 2342 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2343 2344 // Collect all vendor packages. 2345 File vendorAppDir = new File("/vendor/app"); 2346 try { 2347 vendorAppDir = vendorAppDir.getCanonicalFile(); 2348 } catch (IOException e) { 2349 // failed to look up canonical path, continue with original one 2350 } 2351 scanDirTracedLI(vendorAppDir, mDefParseFlags 2352 | PackageParser.PARSE_IS_SYSTEM 2353 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2354 2355 // Collect all OEM packages. 2356 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2357 scanDirTracedLI(oemAppDir, mDefParseFlags 2358 | PackageParser.PARSE_IS_SYSTEM 2359 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2360 2361 // Prune any system packages that no longer exist. 2362 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2363 if (!mOnlyCore) { 2364 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2365 while (psit.hasNext()) { 2366 PackageSetting ps = psit.next(); 2367 2368 /* 2369 * If this is not a system app, it can't be a 2370 * disable system app. 2371 */ 2372 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2373 continue; 2374 } 2375 2376 /* 2377 * If the package is scanned, it's not erased. 2378 */ 2379 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2380 if (scannedPkg != null) { 2381 /* 2382 * If the system app is both scanned and in the 2383 * disabled packages list, then it must have been 2384 * added via OTA. Remove it from the currently 2385 * scanned package so the previously user-installed 2386 * application can be scanned. 2387 */ 2388 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2389 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2390 + ps.name + "; removing system app. Last known codePath=" 2391 + ps.codePathString + ", installStatus=" + ps.installStatus 2392 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2393 + scannedPkg.mVersionCode); 2394 removePackageLI(scannedPkg, true); 2395 mExpectingBetter.put(ps.name, ps.codePath); 2396 } 2397 2398 continue; 2399 } 2400 2401 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2402 psit.remove(); 2403 logCriticalInfo(Log.WARN, "System package " + ps.name 2404 + " no longer exists; it's data will be wiped"); 2405 // Actual deletion of code and data will be handled by later 2406 // reconciliation step 2407 } else { 2408 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2409 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2410 possiblyDeletedUpdatedSystemApps.add(ps.name); 2411 } 2412 } 2413 } 2414 } 2415 2416 //look for any incomplete package installations 2417 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2418 for (int i = 0; i < deletePkgsList.size(); i++) { 2419 // Actual deletion of code and data will be handled by later 2420 // reconciliation step 2421 final String packageName = deletePkgsList.get(i).name; 2422 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2423 synchronized (mPackages) { 2424 mSettings.removePackageLPw(packageName); 2425 } 2426 } 2427 2428 //delete tmp files 2429 deleteTempPackageFiles(); 2430 2431 // Remove any shared userIDs that have no associated packages 2432 mSettings.pruneSharedUsersLPw(); 2433 2434 if (!mOnlyCore) { 2435 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2436 SystemClock.uptimeMillis()); 2437 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2438 2439 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2440 | PackageParser.PARSE_FORWARD_LOCK, 2441 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2442 2443 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2444 | PackageParser.PARSE_IS_EPHEMERAL, 2445 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2446 2447 /** 2448 * Remove disable package settings for any updated system 2449 * apps that were removed via an OTA. If they're not a 2450 * previously-updated app, remove them completely. 2451 * Otherwise, just revoke their system-level permissions. 2452 */ 2453 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2454 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2455 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2456 2457 String msg; 2458 if (deletedPkg == null) { 2459 msg = "Updated system package " + deletedAppName 2460 + " no longer exists; it's data will be wiped"; 2461 // Actual deletion of code and data will be handled by later 2462 // reconciliation step 2463 } else { 2464 msg = "Updated system app + " + deletedAppName 2465 + " no longer present; removing system privileges for " 2466 + deletedAppName; 2467 2468 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2469 2470 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2471 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2472 } 2473 logCriticalInfo(Log.WARN, msg); 2474 } 2475 2476 /** 2477 * Make sure all system apps that we expected to appear on 2478 * the userdata partition actually showed up. If they never 2479 * appeared, crawl back and revive the system version. 2480 */ 2481 for (int i = 0; i < mExpectingBetter.size(); i++) { 2482 final String packageName = mExpectingBetter.keyAt(i); 2483 if (!mPackages.containsKey(packageName)) { 2484 final File scanFile = mExpectingBetter.valueAt(i); 2485 2486 logCriticalInfo(Log.WARN, "Expected better " + packageName 2487 + " but never showed up; reverting to system"); 2488 2489 int reparseFlags = mDefParseFlags; 2490 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2491 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2492 | PackageParser.PARSE_IS_SYSTEM_DIR 2493 | PackageParser.PARSE_IS_PRIVILEGED; 2494 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2495 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2496 | PackageParser.PARSE_IS_SYSTEM_DIR; 2497 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2498 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2499 | PackageParser.PARSE_IS_SYSTEM_DIR; 2500 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2501 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2502 | PackageParser.PARSE_IS_SYSTEM_DIR; 2503 } else { 2504 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2505 continue; 2506 } 2507 2508 mSettings.enableSystemPackageLPw(packageName); 2509 2510 try { 2511 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2512 } catch (PackageManagerException e) { 2513 Slog.e(TAG, "Failed to parse original system package: " 2514 + e.getMessage()); 2515 } 2516 } 2517 } 2518 } 2519 mExpectingBetter.clear(); 2520 2521 // Resolve the storage manager. 2522 mStorageManagerPackage = getStorageManagerPackageName(); 2523 2524 // Resolve protected action filters. Only the setup wizard is allowed to 2525 // have a high priority filter for these actions. 2526 mSetupWizardPackage = getSetupWizardPackageName(); 2527 if (mProtectedFilters.size() > 0) { 2528 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2529 Slog.i(TAG, "No setup wizard;" 2530 + " All protected intents capped to priority 0"); 2531 } 2532 for (ActivityIntentInfo filter : mProtectedFilters) { 2533 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2534 if (DEBUG_FILTERS) { 2535 Slog.i(TAG, "Found setup wizard;" 2536 + " allow priority " + filter.getPriority() + ";" 2537 + " package: " + filter.activity.info.packageName 2538 + " activity: " + filter.activity.className 2539 + " priority: " + filter.getPriority()); 2540 } 2541 // skip setup wizard; allow it to keep the high priority filter 2542 continue; 2543 } 2544 Slog.w(TAG, "Protected action; cap priority to 0;" 2545 + " package: " + filter.activity.info.packageName 2546 + " activity: " + filter.activity.className 2547 + " origPrio: " + filter.getPriority()); 2548 filter.setPriority(0); 2549 } 2550 } 2551 mDeferProtectedFilters = false; 2552 mProtectedFilters.clear(); 2553 2554 // Now that we know all of the shared libraries, update all clients to have 2555 // the correct library paths. 2556 updateAllSharedLibrariesLPw(); 2557 2558 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2559 // NOTE: We ignore potential failures here during a system scan (like 2560 // the rest of the commands above) because there's precious little we 2561 // can do about it. A settings error is reported, though. 2562 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2563 } 2564 2565 // Now that we know all the packages we are keeping, 2566 // read and update their last usage times. 2567 mPackageUsage.read(mPackages); 2568 mCompilerStats.read(); 2569 2570 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2571 SystemClock.uptimeMillis()); 2572 Slog.i(TAG, "Time to scan packages: " 2573 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2574 + " seconds"); 2575 2576 // If the platform SDK has changed since the last time we booted, 2577 // we need to re-grant app permission to catch any new ones that 2578 // appear. This is really a hack, and means that apps can in some 2579 // cases get permissions that the user didn't initially explicitly 2580 // allow... it would be nice to have some better way to handle 2581 // this situation. 2582 int updateFlags = UPDATE_PERMISSIONS_ALL; 2583 if (ver.sdkVersion != mSdkVersion) { 2584 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2585 + mSdkVersion + "; regranting permissions for internal storage"); 2586 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2587 } 2588 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2589 ver.sdkVersion = mSdkVersion; 2590 2591 // If this is the first boot or an update from pre-M, and it is a normal 2592 // boot, then we need to initialize the default preferred apps across 2593 // all defined users. 2594 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2595 for (UserInfo user : sUserManager.getUsers(true)) { 2596 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2597 applyFactoryDefaultBrowserLPw(user.id); 2598 primeDomainVerificationsLPw(user.id); 2599 } 2600 } 2601 2602 // Prepare storage for system user really early during boot, 2603 // since core system apps like SettingsProvider and SystemUI 2604 // can't wait for user to start 2605 final int storageFlags; 2606 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2607 storageFlags = StorageManager.FLAG_STORAGE_DE; 2608 } else { 2609 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2610 } 2611 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2612 storageFlags, true /* migrateAppData */); 2613 2614 // If this is first boot after an OTA, and a normal boot, then 2615 // we need to clear code cache directories. 2616 // Note that we do *not* clear the application profiles. These remain valid 2617 // across OTAs and are used to drive profile verification (post OTA) and 2618 // profile compilation (without waiting to collect a fresh set of profiles). 2619 if (mIsUpgrade && !onlyCore) { 2620 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2621 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2622 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2623 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2624 // No apps are running this early, so no need to freeze 2625 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2626 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2627 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2628 } 2629 } 2630 ver.fingerprint = Build.FINGERPRINT; 2631 } 2632 2633 checkDefaultBrowser(); 2634 2635 // clear only after permissions and other defaults have been updated 2636 mExistingSystemPackages.clear(); 2637 mPromoteSystemApps = false; 2638 2639 // All the changes are done during package scanning. 2640 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2641 2642 // can downgrade to reader 2643 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2644 mSettings.writeLPr(); 2645 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2646 2647 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2648 // early on (before the package manager declares itself as early) because other 2649 // components in the system server might ask for package contexts for these apps. 2650 // 2651 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2652 // (i.e, that the data partition is unavailable). 2653 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2654 long start = System.nanoTime(); 2655 List<PackageParser.Package> coreApps = new ArrayList<>(); 2656 for (PackageParser.Package pkg : mPackages.values()) { 2657 if (pkg.coreApp) { 2658 coreApps.add(pkg); 2659 } 2660 } 2661 2662 int[] stats = performDexOptUpgrade(coreApps, false, 2663 getCompilerFilterForReason(REASON_CORE_APP)); 2664 2665 final int elapsedTimeSeconds = 2666 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2667 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2668 2669 if (DEBUG_DEXOPT) { 2670 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2671 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2672 } 2673 2674 2675 // TODO: Should we log these stats to tron too ? 2676 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2677 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2678 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2679 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2680 } 2681 2682 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2683 SystemClock.uptimeMillis()); 2684 2685 if (!mOnlyCore) { 2686 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2687 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2688 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2689 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2690 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2691 mIntentFilterVerifierComponent); 2692 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2693 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2694 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2695 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2696 } else { 2697 mRequiredVerifierPackage = null; 2698 mRequiredInstallerPackage = null; 2699 mRequiredUninstallerPackage = null; 2700 mIntentFilterVerifierComponent = null; 2701 mIntentFilterVerifier = null; 2702 mServicesSystemSharedLibraryPackageName = null; 2703 mSharedSystemSharedLibraryPackageName = null; 2704 } 2705 2706 mInstallerService = new PackageInstallerService(context, this); 2707 2708 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2709 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2710 // both the installer and resolver must be present to enable ephemeral 2711 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2712 if (DEBUG_EPHEMERAL) { 2713 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2714 + " installer:" + ephemeralInstallerComponent); 2715 } 2716 mEphemeralResolverComponent = ephemeralResolverComponent; 2717 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2718 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2719 mEphemeralResolverConnection = 2720 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2721 } else { 2722 if (DEBUG_EPHEMERAL) { 2723 final String missingComponent = 2724 (ephemeralResolverComponent == null) 2725 ? (ephemeralInstallerComponent == null) 2726 ? "resolver and installer" 2727 : "resolver" 2728 : "installer"; 2729 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2730 } 2731 mEphemeralResolverComponent = null; 2732 mEphemeralInstallerComponent = null; 2733 mEphemeralResolverConnection = null; 2734 } 2735 2736 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2737 } // synchronized (mPackages) 2738 } // synchronized (mInstallLock) 2739 2740 // Now after opening every single application zip, make sure they 2741 // are all flushed. Not really needed, but keeps things nice and 2742 // tidy. 2743 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2744 Runtime.getRuntime().gc(); 2745 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2746 2747 // The initial scanning above does many calls into installd while 2748 // holding the mPackages lock, but we're mostly interested in yelling 2749 // once we have a booted system. 2750 mInstaller.setWarnIfHeld(mPackages); 2751 2752 // Expose private service for system components to use. 2753 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2754 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2755 } 2756 2757 @Override 2758 public boolean isFirstBoot() { 2759 return mFirstBoot; 2760 } 2761 2762 @Override 2763 public boolean isOnlyCoreApps() { 2764 return mOnlyCore; 2765 } 2766 2767 @Override 2768 public boolean isUpgrade() { 2769 return mIsUpgrade; 2770 } 2771 2772 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2773 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2774 2775 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2776 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2777 UserHandle.USER_SYSTEM); 2778 if (matches.size() == 1) { 2779 return matches.get(0).getComponentInfo().packageName; 2780 } else if (matches.size() == 0) { 2781 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2782 return null; 2783 } 2784 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2785 } 2786 2787 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2788 synchronized (mPackages) { 2789 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2790 if (libraryEntry == null) { 2791 throw new IllegalStateException("Missing required shared library:" + libraryName); 2792 } 2793 return libraryEntry.apk; 2794 } 2795 } 2796 2797 private @NonNull String getRequiredInstallerLPr() { 2798 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2799 intent.addCategory(Intent.CATEGORY_DEFAULT); 2800 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2801 2802 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2803 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2804 UserHandle.USER_SYSTEM); 2805 if (matches.size() == 1) { 2806 ResolveInfo resolveInfo = matches.get(0); 2807 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2808 throw new RuntimeException("The installer must be a privileged app"); 2809 } 2810 return matches.get(0).getComponentInfo().packageName; 2811 } else { 2812 throw new RuntimeException("There must be exactly one installer; found " + matches); 2813 } 2814 } 2815 2816 private @NonNull String getRequiredUninstallerLPr() { 2817 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2818 intent.addCategory(Intent.CATEGORY_DEFAULT); 2819 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2820 2821 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2822 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2823 UserHandle.USER_SYSTEM); 2824 if (resolveInfo == null || 2825 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2826 throw new RuntimeException("There must be exactly one uninstaller; found " 2827 + resolveInfo); 2828 } 2829 return resolveInfo.getComponentInfo().packageName; 2830 } 2831 2832 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2833 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2834 2835 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2836 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2837 UserHandle.USER_SYSTEM); 2838 ResolveInfo best = null; 2839 final int N = matches.size(); 2840 for (int i = 0; i < N; i++) { 2841 final ResolveInfo cur = matches.get(i); 2842 final String packageName = cur.getComponentInfo().packageName; 2843 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2844 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2845 continue; 2846 } 2847 2848 if (best == null || cur.priority > best.priority) { 2849 best = cur; 2850 } 2851 } 2852 2853 if (best != null) { 2854 return best.getComponentInfo().getComponentName(); 2855 } else { 2856 throw new RuntimeException("There must be at least one intent filter verifier"); 2857 } 2858 } 2859 2860 private @Nullable ComponentName getEphemeralResolverLPr() { 2861 final String[] packageArray = 2862 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2863 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2864 if (DEBUG_EPHEMERAL) { 2865 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2866 } 2867 return null; 2868 } 2869 2870 final int resolveFlags = 2871 MATCH_DIRECT_BOOT_AWARE 2872 | MATCH_DIRECT_BOOT_UNAWARE 2873 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2874 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2875 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2876 resolveFlags, UserHandle.USER_SYSTEM); 2877 2878 final int N = resolvers.size(); 2879 if (N == 0) { 2880 if (DEBUG_EPHEMERAL) { 2881 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2882 } 2883 return null; 2884 } 2885 2886 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2887 for (int i = 0; i < N; i++) { 2888 final ResolveInfo info = resolvers.get(i); 2889 2890 if (info.serviceInfo == null) { 2891 continue; 2892 } 2893 2894 final String packageName = info.serviceInfo.packageName; 2895 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2896 if (DEBUG_EPHEMERAL) { 2897 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2898 + " pkg: " + packageName + ", info:" + info); 2899 } 2900 continue; 2901 } 2902 2903 if (DEBUG_EPHEMERAL) { 2904 Slog.v(TAG, "Ephemeral resolver found;" 2905 + " pkg: " + packageName + ", info:" + info); 2906 } 2907 return new ComponentName(packageName, info.serviceInfo.name); 2908 } 2909 if (DEBUG_EPHEMERAL) { 2910 Slog.v(TAG, "Ephemeral resolver NOT found"); 2911 } 2912 return null; 2913 } 2914 2915 private @Nullable ComponentName getEphemeralInstallerLPr() { 2916 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2917 intent.addCategory(Intent.CATEGORY_DEFAULT); 2918 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2919 2920 final int resolveFlags = 2921 MATCH_DIRECT_BOOT_AWARE 2922 | MATCH_DIRECT_BOOT_UNAWARE 2923 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2924 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2925 resolveFlags, UserHandle.USER_SYSTEM); 2926 if (matches.size() == 0) { 2927 return null; 2928 } else if (matches.size() == 1) { 2929 return matches.get(0).getComponentInfo().getComponentName(); 2930 } else { 2931 throw new RuntimeException( 2932 "There must be at most one ephemeral installer; found " + matches); 2933 } 2934 } 2935 2936 private void primeDomainVerificationsLPw(int userId) { 2937 if (DEBUG_DOMAIN_VERIFICATION) { 2938 Slog.d(TAG, "Priming domain verifications in user " + userId); 2939 } 2940 2941 SystemConfig systemConfig = SystemConfig.getInstance(); 2942 ArraySet<String> packages = systemConfig.getLinkedApps(); 2943 2944 for (String packageName : packages) { 2945 PackageParser.Package pkg = mPackages.get(packageName); 2946 if (pkg != null) { 2947 if (!pkg.isSystemApp()) { 2948 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2949 continue; 2950 } 2951 2952 ArraySet<String> domains = null; 2953 for (PackageParser.Activity a : pkg.activities) { 2954 for (ActivityIntentInfo filter : a.intents) { 2955 if (hasValidDomains(filter)) { 2956 if (domains == null) { 2957 domains = new ArraySet<String>(); 2958 } 2959 domains.addAll(filter.getHostsList()); 2960 } 2961 } 2962 } 2963 2964 if (domains != null && domains.size() > 0) { 2965 if (DEBUG_DOMAIN_VERIFICATION) { 2966 Slog.v(TAG, " + " + packageName); 2967 } 2968 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2969 // state w.r.t. the formal app-linkage "no verification attempted" state; 2970 // and then 'always' in the per-user state actually used for intent resolution. 2971 final IntentFilterVerificationInfo ivi; 2972 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 2973 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2974 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2975 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2976 } else { 2977 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2978 + "' does not handle web links"); 2979 } 2980 } else { 2981 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2982 } 2983 } 2984 2985 scheduleWritePackageRestrictionsLocked(userId); 2986 scheduleWriteSettingsLocked(); 2987 } 2988 2989 private void applyFactoryDefaultBrowserLPw(int userId) { 2990 // The default browser app's package name is stored in a string resource, 2991 // with a product-specific overlay used for vendor customization. 2992 String browserPkg = mContext.getResources().getString( 2993 com.android.internal.R.string.default_browser); 2994 if (!TextUtils.isEmpty(browserPkg)) { 2995 // non-empty string => required to be a known package 2996 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2997 if (ps == null) { 2998 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2999 browserPkg = null; 3000 } else { 3001 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3002 } 3003 } 3004 3005 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3006 // default. If there's more than one, just leave everything alone. 3007 if (browserPkg == null) { 3008 calculateDefaultBrowserLPw(userId); 3009 } 3010 } 3011 3012 private void calculateDefaultBrowserLPw(int userId) { 3013 List<String> allBrowsers = resolveAllBrowserApps(userId); 3014 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3015 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3016 } 3017 3018 private List<String> resolveAllBrowserApps(int userId) { 3019 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3020 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3021 PackageManager.MATCH_ALL, userId); 3022 3023 final int count = list.size(); 3024 List<String> result = new ArrayList<String>(count); 3025 for (int i=0; i<count; i++) { 3026 ResolveInfo info = list.get(i); 3027 if (info.activityInfo == null 3028 || !info.handleAllWebDataURI 3029 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3030 || result.contains(info.activityInfo.packageName)) { 3031 continue; 3032 } 3033 result.add(info.activityInfo.packageName); 3034 } 3035 3036 return result; 3037 } 3038 3039 private boolean packageIsBrowser(String packageName, int userId) { 3040 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3041 PackageManager.MATCH_ALL, userId); 3042 final int N = list.size(); 3043 for (int i = 0; i < N; i++) { 3044 ResolveInfo info = list.get(i); 3045 if (packageName.equals(info.activityInfo.packageName)) { 3046 return true; 3047 } 3048 } 3049 return false; 3050 } 3051 3052 private void checkDefaultBrowser() { 3053 final int myUserId = UserHandle.myUserId(); 3054 final String packageName = getDefaultBrowserPackageName(myUserId); 3055 if (packageName != null) { 3056 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3057 if (info == null) { 3058 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3059 synchronized (mPackages) { 3060 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3061 } 3062 } 3063 } 3064 } 3065 3066 @Override 3067 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3068 throws RemoteException { 3069 try { 3070 return super.onTransact(code, data, reply, flags); 3071 } catch (RuntimeException e) { 3072 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3073 Slog.wtf(TAG, "Package Manager Crash", e); 3074 } 3075 throw e; 3076 } 3077 } 3078 3079 static int[] appendInts(int[] cur, int[] add) { 3080 if (add == null) return cur; 3081 if (cur == null) return add; 3082 final int N = add.length; 3083 for (int i=0; i<N; i++) { 3084 cur = appendInt(cur, add[i]); 3085 } 3086 return cur; 3087 } 3088 3089 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3090 if (!sUserManager.exists(userId)) return null; 3091 if (ps == null) { 3092 return null; 3093 } 3094 final PackageParser.Package p = ps.pkg; 3095 if (p == null) { 3096 return null; 3097 } 3098 3099 final PermissionsState permissionsState = ps.getPermissionsState(); 3100 3101 // Compute GIDs only if requested 3102 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3103 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3104 // Compute granted permissions only if package has requested permissions 3105 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3106 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3107 final PackageUserState state = ps.readUserState(userId); 3108 3109 return PackageParser.generatePackageInfo(p, gids, flags, 3110 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3111 } 3112 3113 @Override 3114 public void checkPackageStartable(String packageName, int userId) { 3115 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3116 3117 synchronized (mPackages) { 3118 final PackageSetting ps = mSettings.mPackages.get(packageName); 3119 if (ps == null) { 3120 throw new SecurityException("Package " + packageName + " was not found!"); 3121 } 3122 3123 if (!ps.getInstalled(userId)) { 3124 throw new SecurityException( 3125 "Package " + packageName + " was not installed for user " + userId + "!"); 3126 } 3127 3128 if (mSafeMode && !ps.isSystem()) { 3129 throw new SecurityException("Package " + packageName + " not a system app!"); 3130 } 3131 3132 if (mFrozenPackages.contains(packageName)) { 3133 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3134 } 3135 3136 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3137 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3138 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3139 } 3140 } 3141 } 3142 3143 @Override 3144 public boolean isPackageAvailable(String packageName, int userId) { 3145 if (!sUserManager.exists(userId)) return false; 3146 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3147 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3148 synchronized (mPackages) { 3149 PackageParser.Package p = mPackages.get(packageName); 3150 if (p != null) { 3151 final PackageSetting ps = (PackageSetting) p.mExtras; 3152 if (ps != null) { 3153 final PackageUserState state = ps.readUserState(userId); 3154 if (state != null) { 3155 return PackageParser.isAvailable(state); 3156 } 3157 } 3158 } 3159 } 3160 return false; 3161 } 3162 3163 @Override 3164 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3165 if (!sUserManager.exists(userId)) return null; 3166 flags = updateFlagsForPackage(flags, userId, packageName); 3167 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3168 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3169 // reader 3170 synchronized (mPackages) { 3171 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3172 PackageParser.Package p = null; 3173 if (matchFactoryOnly) { 3174 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3175 if (ps != null) { 3176 return generatePackageInfo(ps, flags, userId); 3177 } 3178 } 3179 if (p == null) { 3180 p = mPackages.get(packageName); 3181 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3182 return null; 3183 } 3184 } 3185 if (DEBUG_PACKAGE_INFO) 3186 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3187 if (p != null) { 3188 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3189 } 3190 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3191 final PackageSetting ps = mSettings.mPackages.get(packageName); 3192 return generatePackageInfo(ps, flags, userId); 3193 } 3194 } 3195 return null; 3196 } 3197 3198 @Override 3199 public String[] currentToCanonicalPackageNames(String[] names) { 3200 String[] out = new String[names.length]; 3201 // reader 3202 synchronized (mPackages) { 3203 for (int i=names.length-1; i>=0; i--) { 3204 PackageSetting ps = mSettings.mPackages.get(names[i]); 3205 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3206 } 3207 } 3208 return out; 3209 } 3210 3211 @Override 3212 public String[] canonicalToCurrentPackageNames(String[] names) { 3213 String[] out = new String[names.length]; 3214 // reader 3215 synchronized (mPackages) { 3216 for (int i=names.length-1; i>=0; i--) { 3217 String cur = mSettings.getRenamedPackageLPr(names[i]); 3218 out[i] = cur != null ? cur : names[i]; 3219 } 3220 } 3221 return out; 3222 } 3223 3224 @Override 3225 public int getPackageUid(String packageName, int flags, int userId) { 3226 if (!sUserManager.exists(userId)) return -1; 3227 flags = updateFlagsForPackage(flags, userId, packageName); 3228 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3229 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3230 3231 // reader 3232 synchronized (mPackages) { 3233 final PackageParser.Package p = mPackages.get(packageName); 3234 if (p != null && p.isMatch(flags)) { 3235 return UserHandle.getUid(userId, p.applicationInfo.uid); 3236 } 3237 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3238 final PackageSetting ps = mSettings.mPackages.get(packageName); 3239 if (ps != null && ps.isMatch(flags)) { 3240 return UserHandle.getUid(userId, ps.appId); 3241 } 3242 } 3243 } 3244 3245 return -1; 3246 } 3247 3248 @Override 3249 public int[] getPackageGids(String packageName, int flags, int userId) { 3250 if (!sUserManager.exists(userId)) return null; 3251 flags = updateFlagsForPackage(flags, userId, packageName); 3252 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3253 false /* requireFullPermission */, false /* checkShell */, 3254 "getPackageGids"); 3255 3256 // reader 3257 synchronized (mPackages) { 3258 final PackageParser.Package p = mPackages.get(packageName); 3259 if (p != null && p.isMatch(flags)) { 3260 PackageSetting ps = (PackageSetting) p.mExtras; 3261 return ps.getPermissionsState().computeGids(userId); 3262 } 3263 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3264 final PackageSetting ps = mSettings.mPackages.get(packageName); 3265 if (ps != null && ps.isMatch(flags)) { 3266 return ps.getPermissionsState().computeGids(userId); 3267 } 3268 } 3269 } 3270 3271 return null; 3272 } 3273 3274 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3275 if (bp.perm != null) { 3276 return PackageParser.generatePermissionInfo(bp.perm, flags); 3277 } 3278 PermissionInfo pi = new PermissionInfo(); 3279 pi.name = bp.name; 3280 pi.packageName = bp.sourcePackage; 3281 pi.nonLocalizedLabel = bp.name; 3282 pi.protectionLevel = bp.protectionLevel; 3283 return pi; 3284 } 3285 3286 @Override 3287 public PermissionInfo getPermissionInfo(String name, int flags) { 3288 // reader 3289 synchronized (mPackages) { 3290 final BasePermission p = mSettings.mPermissions.get(name); 3291 if (p != null) { 3292 return generatePermissionInfo(p, flags); 3293 } 3294 return null; 3295 } 3296 } 3297 3298 @Override 3299 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3300 int flags) { 3301 // reader 3302 synchronized (mPackages) { 3303 if (group != null && !mPermissionGroups.containsKey(group)) { 3304 // This is thrown as NameNotFoundException 3305 return null; 3306 } 3307 3308 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3309 for (BasePermission p : mSettings.mPermissions.values()) { 3310 if (group == null) { 3311 if (p.perm == null || p.perm.info.group == null) { 3312 out.add(generatePermissionInfo(p, flags)); 3313 } 3314 } else { 3315 if (p.perm != null && group.equals(p.perm.info.group)) { 3316 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3317 } 3318 } 3319 } 3320 return new ParceledListSlice<>(out); 3321 } 3322 } 3323 3324 @Override 3325 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3326 // reader 3327 synchronized (mPackages) { 3328 return PackageParser.generatePermissionGroupInfo( 3329 mPermissionGroups.get(name), flags); 3330 } 3331 } 3332 3333 @Override 3334 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3335 // reader 3336 synchronized (mPackages) { 3337 final int N = mPermissionGroups.size(); 3338 ArrayList<PermissionGroupInfo> out 3339 = new ArrayList<PermissionGroupInfo>(N); 3340 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3341 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3342 } 3343 return new ParceledListSlice<>(out); 3344 } 3345 } 3346 3347 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3348 int userId) { 3349 if (!sUserManager.exists(userId)) return null; 3350 PackageSetting ps = mSettings.mPackages.get(packageName); 3351 if (ps != null) { 3352 if (ps.pkg == null) { 3353 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3354 if (pInfo != null) { 3355 return pInfo.applicationInfo; 3356 } 3357 return null; 3358 } 3359 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3360 ps.readUserState(userId), userId); 3361 } 3362 return null; 3363 } 3364 3365 @Override 3366 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3367 if (!sUserManager.exists(userId)) return null; 3368 flags = updateFlagsForApplication(flags, userId, packageName); 3369 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3370 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3371 // writer 3372 synchronized (mPackages) { 3373 PackageParser.Package p = mPackages.get(packageName); 3374 if (DEBUG_PACKAGE_INFO) Log.v( 3375 TAG, "getApplicationInfo " + packageName 3376 + ": " + p); 3377 if (p != null) { 3378 PackageSetting ps = mSettings.mPackages.get(packageName); 3379 if (ps == null) return null; 3380 // Note: isEnabledLP() does not apply here - always return info 3381 return PackageParser.generateApplicationInfo( 3382 p, flags, ps.readUserState(userId), userId); 3383 } 3384 if ("android".equals(packageName)||"system".equals(packageName)) { 3385 return mAndroidApplication; 3386 } 3387 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3388 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3389 } 3390 } 3391 return null; 3392 } 3393 3394 @Override 3395 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3396 final IPackageDataObserver observer) { 3397 mContext.enforceCallingOrSelfPermission( 3398 android.Manifest.permission.CLEAR_APP_CACHE, null); 3399 // Queue up an async operation since clearing cache may take a little while. 3400 mHandler.post(new Runnable() { 3401 public void run() { 3402 mHandler.removeCallbacks(this); 3403 boolean success = true; 3404 synchronized (mInstallLock) { 3405 try { 3406 mInstaller.freeCache(volumeUuid, freeStorageSize); 3407 } catch (InstallerException e) { 3408 Slog.w(TAG, "Couldn't clear application caches: " + e); 3409 success = false; 3410 } 3411 } 3412 if (observer != null) { 3413 try { 3414 observer.onRemoveCompleted(null, success); 3415 } catch (RemoteException e) { 3416 Slog.w(TAG, "RemoveException when invoking call back"); 3417 } 3418 } 3419 } 3420 }); 3421 } 3422 3423 @Override 3424 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3425 final IntentSender pi) { 3426 mContext.enforceCallingOrSelfPermission( 3427 android.Manifest.permission.CLEAR_APP_CACHE, null); 3428 // Queue up an async operation since clearing cache may take a little while. 3429 mHandler.post(new Runnable() { 3430 public void run() { 3431 mHandler.removeCallbacks(this); 3432 boolean success = true; 3433 synchronized (mInstallLock) { 3434 try { 3435 mInstaller.freeCache(volumeUuid, freeStorageSize); 3436 } catch (InstallerException e) { 3437 Slog.w(TAG, "Couldn't clear application caches: " + e); 3438 success = false; 3439 } 3440 } 3441 if(pi != null) { 3442 try { 3443 // Callback via pending intent 3444 int code = success ? 1 : 0; 3445 pi.sendIntent(null, code, null, 3446 null, null); 3447 } catch (SendIntentException e1) { 3448 Slog.i(TAG, "Failed to send pending intent"); 3449 } 3450 } 3451 } 3452 }); 3453 } 3454 3455 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3456 synchronized (mInstallLock) { 3457 try { 3458 mInstaller.freeCache(volumeUuid, freeStorageSize); 3459 } catch (InstallerException e) { 3460 throw new IOException("Failed to free enough space", e); 3461 } 3462 } 3463 } 3464 3465 /** 3466 * Update given flags based on encryption status of current user. 3467 */ 3468 private int updateFlags(int flags, int userId) { 3469 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3470 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3471 // Caller expressed an explicit opinion about what encryption 3472 // aware/unaware components they want to see, so fall through and 3473 // give them what they want 3474 } else { 3475 // Caller expressed no opinion, so match based on user state 3476 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3477 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3478 } else { 3479 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3480 } 3481 } 3482 return flags; 3483 } 3484 3485 private UserManagerInternal getUserManagerInternal() { 3486 if (mUserManagerInternal == null) { 3487 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3488 } 3489 return mUserManagerInternal; 3490 } 3491 3492 /** 3493 * Update given flags when being used to request {@link PackageInfo}. 3494 */ 3495 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3496 boolean triaged = true; 3497 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3498 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3499 // Caller is asking for component details, so they'd better be 3500 // asking for specific encryption matching behavior, or be triaged 3501 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3502 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3503 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3504 triaged = false; 3505 } 3506 } 3507 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3508 | PackageManager.MATCH_SYSTEM_ONLY 3509 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3510 triaged = false; 3511 } 3512 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3513 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3514 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3515 } 3516 return updateFlags(flags, userId); 3517 } 3518 3519 /** 3520 * Update given flags when being used to request {@link ApplicationInfo}. 3521 */ 3522 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3523 return updateFlagsForPackage(flags, userId, cookie); 3524 } 3525 3526 /** 3527 * Update given flags when being used to request {@link ComponentInfo}. 3528 */ 3529 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3530 if (cookie instanceof Intent) { 3531 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3532 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3533 } 3534 } 3535 3536 boolean triaged = true; 3537 // Caller is asking for component details, so they'd better be 3538 // asking for specific encryption matching behavior, or be triaged 3539 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3540 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3541 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3542 triaged = false; 3543 } 3544 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3545 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3546 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3547 } 3548 3549 return updateFlags(flags, userId); 3550 } 3551 3552 /** 3553 * Update given flags when being used to request {@link ResolveInfo}. 3554 */ 3555 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3556 // Safe mode means we shouldn't match any third-party components 3557 if (mSafeMode) { 3558 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3559 } 3560 3561 return updateFlagsForComponent(flags, userId, cookie); 3562 } 3563 3564 @Override 3565 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3566 if (!sUserManager.exists(userId)) return null; 3567 flags = updateFlagsForComponent(flags, userId, component); 3568 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3569 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3570 synchronized (mPackages) { 3571 PackageParser.Activity a = mActivities.mActivities.get(component); 3572 3573 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3574 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3575 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3576 if (ps == null) return null; 3577 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3578 userId); 3579 } 3580 if (mResolveComponentName.equals(component)) { 3581 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3582 new PackageUserState(), userId); 3583 } 3584 } 3585 return null; 3586 } 3587 3588 @Override 3589 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3590 String resolvedType) { 3591 synchronized (mPackages) { 3592 if (component.equals(mResolveComponentName)) { 3593 // The resolver supports EVERYTHING! 3594 return true; 3595 } 3596 PackageParser.Activity a = mActivities.mActivities.get(component); 3597 if (a == null) { 3598 return false; 3599 } 3600 for (int i=0; i<a.intents.size(); i++) { 3601 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3602 intent.getData(), intent.getCategories(), TAG) >= 0) { 3603 return true; 3604 } 3605 } 3606 return false; 3607 } 3608 } 3609 3610 @Override 3611 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3612 if (!sUserManager.exists(userId)) return null; 3613 flags = updateFlagsForComponent(flags, userId, component); 3614 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3615 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3616 synchronized (mPackages) { 3617 PackageParser.Activity a = mReceivers.mActivities.get(component); 3618 if (DEBUG_PACKAGE_INFO) Log.v( 3619 TAG, "getReceiverInfo " + component + ": " + a); 3620 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3621 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3622 if (ps == null) return null; 3623 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3624 userId); 3625 } 3626 } 3627 return null; 3628 } 3629 3630 @Override 3631 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3632 if (!sUserManager.exists(userId)) return null; 3633 flags = updateFlagsForComponent(flags, userId, component); 3634 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3635 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3636 synchronized (mPackages) { 3637 PackageParser.Service s = mServices.mServices.get(component); 3638 if (DEBUG_PACKAGE_INFO) Log.v( 3639 TAG, "getServiceInfo " + component + ": " + s); 3640 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3641 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3642 if (ps == null) return null; 3643 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3644 userId); 3645 } 3646 } 3647 return null; 3648 } 3649 3650 @Override 3651 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3652 if (!sUserManager.exists(userId)) return null; 3653 flags = updateFlagsForComponent(flags, userId, component); 3654 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3655 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3656 synchronized (mPackages) { 3657 PackageParser.Provider p = mProviders.mProviders.get(component); 3658 if (DEBUG_PACKAGE_INFO) Log.v( 3659 TAG, "getProviderInfo " + component + ": " + p); 3660 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3661 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3662 if (ps == null) return null; 3663 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3664 userId); 3665 } 3666 } 3667 return null; 3668 } 3669 3670 @Override 3671 public String[] getSystemSharedLibraryNames() { 3672 Set<String> libSet; 3673 synchronized (mPackages) { 3674 libSet = mSharedLibraries.keySet(); 3675 int size = libSet.size(); 3676 if (size > 0) { 3677 String[] libs = new String[size]; 3678 libSet.toArray(libs); 3679 return libs; 3680 } 3681 } 3682 return null; 3683 } 3684 3685 @Override 3686 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3687 synchronized (mPackages) { 3688 return mServicesSystemSharedLibraryPackageName; 3689 } 3690 } 3691 3692 @Override 3693 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3694 synchronized (mPackages) { 3695 return mSharedSystemSharedLibraryPackageName; 3696 } 3697 } 3698 3699 @Override 3700 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3701 synchronized (mPackages) { 3702 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3703 3704 final FeatureInfo fi = new FeatureInfo(); 3705 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3706 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3707 res.add(fi); 3708 3709 return new ParceledListSlice<>(res); 3710 } 3711 } 3712 3713 @Override 3714 public boolean hasSystemFeature(String name, int version) { 3715 synchronized (mPackages) { 3716 final FeatureInfo feat = mAvailableFeatures.get(name); 3717 if (feat == null) { 3718 return false; 3719 } else { 3720 return feat.version >= version; 3721 } 3722 } 3723 } 3724 3725 @Override 3726 public int checkPermission(String permName, String pkgName, int userId) { 3727 if (!sUserManager.exists(userId)) { 3728 return PackageManager.PERMISSION_DENIED; 3729 } 3730 3731 synchronized (mPackages) { 3732 final PackageParser.Package p = mPackages.get(pkgName); 3733 if (p != null && p.mExtras != null) { 3734 final PackageSetting ps = (PackageSetting) p.mExtras; 3735 final PermissionsState permissionsState = ps.getPermissionsState(); 3736 if (permissionsState.hasPermission(permName, userId)) { 3737 return PackageManager.PERMISSION_GRANTED; 3738 } 3739 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3740 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3741 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3742 return PackageManager.PERMISSION_GRANTED; 3743 } 3744 } 3745 } 3746 3747 return PackageManager.PERMISSION_DENIED; 3748 } 3749 3750 @Override 3751 public int checkUidPermission(String permName, int uid) { 3752 final int userId = UserHandle.getUserId(uid); 3753 3754 if (!sUserManager.exists(userId)) { 3755 return PackageManager.PERMISSION_DENIED; 3756 } 3757 3758 synchronized (mPackages) { 3759 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3760 if (obj != null) { 3761 final SettingBase ps = (SettingBase) obj; 3762 final PermissionsState permissionsState = ps.getPermissionsState(); 3763 if (permissionsState.hasPermission(permName, userId)) { 3764 return PackageManager.PERMISSION_GRANTED; 3765 } 3766 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3767 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3768 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3769 return PackageManager.PERMISSION_GRANTED; 3770 } 3771 } else { 3772 ArraySet<String> perms = mSystemPermissions.get(uid); 3773 if (perms != null) { 3774 if (perms.contains(permName)) { 3775 return PackageManager.PERMISSION_GRANTED; 3776 } 3777 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3778 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3779 return PackageManager.PERMISSION_GRANTED; 3780 } 3781 } 3782 } 3783 } 3784 3785 return PackageManager.PERMISSION_DENIED; 3786 } 3787 3788 @Override 3789 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3790 if (UserHandle.getCallingUserId() != userId) { 3791 mContext.enforceCallingPermission( 3792 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3793 "isPermissionRevokedByPolicy for user " + userId); 3794 } 3795 3796 if (checkPermission(permission, packageName, userId) 3797 == PackageManager.PERMISSION_GRANTED) { 3798 return false; 3799 } 3800 3801 final long identity = Binder.clearCallingIdentity(); 3802 try { 3803 final int flags = getPermissionFlags(permission, packageName, userId); 3804 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3805 } finally { 3806 Binder.restoreCallingIdentity(identity); 3807 } 3808 } 3809 3810 @Override 3811 public String getPermissionControllerPackageName() { 3812 synchronized (mPackages) { 3813 return mRequiredInstallerPackage; 3814 } 3815 } 3816 3817 /** 3818 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3819 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3820 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3821 * @param message the message to log on security exception 3822 */ 3823 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3824 boolean checkShell, String message) { 3825 if (userId < 0) { 3826 throw new IllegalArgumentException("Invalid userId " + userId); 3827 } 3828 if (checkShell) { 3829 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3830 } 3831 if (userId == UserHandle.getUserId(callingUid)) return; 3832 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3833 if (requireFullPermission) { 3834 mContext.enforceCallingOrSelfPermission( 3835 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3836 } else { 3837 try { 3838 mContext.enforceCallingOrSelfPermission( 3839 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3840 } catch (SecurityException se) { 3841 mContext.enforceCallingOrSelfPermission( 3842 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3843 } 3844 } 3845 } 3846 } 3847 3848 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3849 if (callingUid == Process.SHELL_UID) { 3850 if (userHandle >= 0 3851 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3852 throw new SecurityException("Shell does not have permission to access user " 3853 + userHandle); 3854 } else if (userHandle < 0) { 3855 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3856 + Debug.getCallers(3)); 3857 } 3858 } 3859 } 3860 3861 private BasePermission findPermissionTreeLP(String permName) { 3862 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3863 if (permName.startsWith(bp.name) && 3864 permName.length() > bp.name.length() && 3865 permName.charAt(bp.name.length()) == '.') { 3866 return bp; 3867 } 3868 } 3869 return null; 3870 } 3871 3872 private BasePermission checkPermissionTreeLP(String permName) { 3873 if (permName != null) { 3874 BasePermission bp = findPermissionTreeLP(permName); 3875 if (bp != null) { 3876 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3877 return bp; 3878 } 3879 throw new SecurityException("Calling uid " 3880 + Binder.getCallingUid() 3881 + " is not allowed to add to permission tree " 3882 + bp.name + " owned by uid " + bp.uid); 3883 } 3884 } 3885 throw new SecurityException("No permission tree found for " + permName); 3886 } 3887 3888 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3889 if (s1 == null) { 3890 return s2 == null; 3891 } 3892 if (s2 == null) { 3893 return false; 3894 } 3895 if (s1.getClass() != s2.getClass()) { 3896 return false; 3897 } 3898 return s1.equals(s2); 3899 } 3900 3901 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3902 if (pi1.icon != pi2.icon) return false; 3903 if (pi1.logo != pi2.logo) return false; 3904 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3905 if (!compareStrings(pi1.name, pi2.name)) return false; 3906 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3907 // We'll take care of setting this one. 3908 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3909 // These are not currently stored in settings. 3910 //if (!compareStrings(pi1.group, pi2.group)) return false; 3911 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3912 //if (pi1.labelRes != pi2.labelRes) return false; 3913 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3914 return true; 3915 } 3916 3917 int permissionInfoFootprint(PermissionInfo info) { 3918 int size = info.name.length(); 3919 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3920 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3921 return size; 3922 } 3923 3924 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3925 int size = 0; 3926 for (BasePermission perm : mSettings.mPermissions.values()) { 3927 if (perm.uid == tree.uid) { 3928 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3929 } 3930 } 3931 return size; 3932 } 3933 3934 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3935 // We calculate the max size of permissions defined by this uid and throw 3936 // if that plus the size of 'info' would exceed our stated maximum. 3937 if (tree.uid != Process.SYSTEM_UID) { 3938 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3939 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3940 throw new SecurityException("Permission tree size cap exceeded"); 3941 } 3942 } 3943 } 3944 3945 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3946 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3947 throw new SecurityException("Label must be specified in permission"); 3948 } 3949 BasePermission tree = checkPermissionTreeLP(info.name); 3950 BasePermission bp = mSettings.mPermissions.get(info.name); 3951 boolean added = bp == null; 3952 boolean changed = true; 3953 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3954 if (added) { 3955 enforcePermissionCapLocked(info, tree); 3956 bp = new BasePermission(info.name, tree.sourcePackage, 3957 BasePermission.TYPE_DYNAMIC); 3958 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3959 throw new SecurityException( 3960 "Not allowed to modify non-dynamic permission " 3961 + info.name); 3962 } else { 3963 if (bp.protectionLevel == fixedLevel 3964 && bp.perm.owner.equals(tree.perm.owner) 3965 && bp.uid == tree.uid 3966 && comparePermissionInfos(bp.perm.info, info)) { 3967 changed = false; 3968 } 3969 } 3970 bp.protectionLevel = fixedLevel; 3971 info = new PermissionInfo(info); 3972 info.protectionLevel = fixedLevel; 3973 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3974 bp.perm.info.packageName = tree.perm.info.packageName; 3975 bp.uid = tree.uid; 3976 if (added) { 3977 mSettings.mPermissions.put(info.name, bp); 3978 } 3979 if (changed) { 3980 if (!async) { 3981 mSettings.writeLPr(); 3982 } else { 3983 scheduleWriteSettingsLocked(); 3984 } 3985 } 3986 return added; 3987 } 3988 3989 @Override 3990 public boolean addPermission(PermissionInfo info) { 3991 synchronized (mPackages) { 3992 return addPermissionLocked(info, false); 3993 } 3994 } 3995 3996 @Override 3997 public boolean addPermissionAsync(PermissionInfo info) { 3998 synchronized (mPackages) { 3999 return addPermissionLocked(info, true); 4000 } 4001 } 4002 4003 @Override 4004 public void removePermission(String name) { 4005 synchronized (mPackages) { 4006 checkPermissionTreeLP(name); 4007 BasePermission bp = mSettings.mPermissions.get(name); 4008 if (bp != null) { 4009 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4010 throw new SecurityException( 4011 "Not allowed to modify non-dynamic permission " 4012 + name); 4013 } 4014 mSettings.mPermissions.remove(name); 4015 mSettings.writeLPr(); 4016 } 4017 } 4018 } 4019 4020 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4021 BasePermission bp) { 4022 int index = pkg.requestedPermissions.indexOf(bp.name); 4023 if (index == -1) { 4024 throw new SecurityException("Package " + pkg.packageName 4025 + " has not requested permission " + bp.name); 4026 } 4027 if (!bp.isRuntime() && !bp.isDevelopment()) { 4028 throw new SecurityException("Permission " + bp.name 4029 + " is not a changeable permission type"); 4030 } 4031 } 4032 4033 @Override 4034 public void grantRuntimePermission(String packageName, String name, final int userId) { 4035 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4036 } 4037 4038 private void grantRuntimePermission(String packageName, String name, final int userId, 4039 boolean overridePolicy) { 4040 if (!sUserManager.exists(userId)) { 4041 Log.e(TAG, "No such user:" + userId); 4042 return; 4043 } 4044 4045 mContext.enforceCallingOrSelfPermission( 4046 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4047 "grantRuntimePermission"); 4048 4049 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4050 true /* requireFullPermission */, true /* checkShell */, 4051 "grantRuntimePermission"); 4052 4053 final int uid; 4054 final SettingBase sb; 4055 4056 synchronized (mPackages) { 4057 final PackageParser.Package pkg = mPackages.get(packageName); 4058 if (pkg == null) { 4059 throw new IllegalArgumentException("Unknown package: " + packageName); 4060 } 4061 4062 final BasePermission bp = mSettings.mPermissions.get(name); 4063 if (bp == null) { 4064 throw new IllegalArgumentException("Unknown permission: " + name); 4065 } 4066 4067 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4068 4069 // If a permission review is required for legacy apps we represent 4070 // their permissions as always granted runtime ones since we need 4071 // to keep the review required permission flag per user while an 4072 // install permission's state is shared across all users. 4073 if (mPermissionReviewRequired 4074 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4075 && bp.isRuntime()) { 4076 return; 4077 } 4078 4079 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4080 sb = (SettingBase) pkg.mExtras; 4081 if (sb == null) { 4082 throw new IllegalArgumentException("Unknown package: " + packageName); 4083 } 4084 4085 final PermissionsState permissionsState = sb.getPermissionsState(); 4086 4087 final int flags = permissionsState.getPermissionFlags(name, userId); 4088 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4089 throw new SecurityException("Cannot grant system fixed permission " 4090 + name + " for package " + packageName); 4091 } 4092 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4093 throw new SecurityException("Cannot grant policy fixed permission " 4094 + name + " for package " + packageName); 4095 } 4096 4097 if (bp.isDevelopment()) { 4098 // Development permissions must be handled specially, since they are not 4099 // normal runtime permissions. For now they apply to all users. 4100 if (permissionsState.grantInstallPermission(bp) != 4101 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4102 scheduleWriteSettingsLocked(); 4103 } 4104 return; 4105 } 4106 4107 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 4108 throw new SecurityException("Cannot grant non-ephemeral permission" 4109 + name + " for package " + packageName); 4110 } 4111 4112 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4113 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4114 return; 4115 } 4116 4117 final int result = permissionsState.grantRuntimePermission(bp, userId); 4118 switch (result) { 4119 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4120 return; 4121 } 4122 4123 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4124 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4125 mHandler.post(new Runnable() { 4126 @Override 4127 public void run() { 4128 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4129 } 4130 }); 4131 } 4132 break; 4133 } 4134 4135 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4136 4137 // Not critical if that is lost - app has to request again. 4138 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4139 } 4140 4141 // Only need to do this if user is initialized. Otherwise it's a new user 4142 // and there are no processes running as the user yet and there's no need 4143 // to make an expensive call to remount processes for the changed permissions. 4144 if (READ_EXTERNAL_STORAGE.equals(name) 4145 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4146 final long token = Binder.clearCallingIdentity(); 4147 try { 4148 if (sUserManager.isInitialized(userId)) { 4149 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4150 StorageManagerInternal.class); 4151 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4152 } 4153 } finally { 4154 Binder.restoreCallingIdentity(token); 4155 } 4156 } 4157 } 4158 4159 @Override 4160 public void revokeRuntimePermission(String packageName, String name, int userId) { 4161 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4162 } 4163 4164 private void revokeRuntimePermission(String packageName, String name, int userId, 4165 boolean overridePolicy) { 4166 if (!sUserManager.exists(userId)) { 4167 Log.e(TAG, "No such user:" + userId); 4168 return; 4169 } 4170 4171 mContext.enforceCallingOrSelfPermission( 4172 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4173 "revokeRuntimePermission"); 4174 4175 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4176 true /* requireFullPermission */, true /* checkShell */, 4177 "revokeRuntimePermission"); 4178 4179 final int appId; 4180 4181 synchronized (mPackages) { 4182 final PackageParser.Package pkg = mPackages.get(packageName); 4183 if (pkg == null) { 4184 throw new IllegalArgumentException("Unknown package: " + packageName); 4185 } 4186 4187 final BasePermission bp = mSettings.mPermissions.get(name); 4188 if (bp == null) { 4189 throw new IllegalArgumentException("Unknown permission: " + name); 4190 } 4191 4192 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4193 4194 // If a permission review is required for legacy apps we represent 4195 // their permissions as always granted runtime ones since we need 4196 // to keep the review required permission flag per user while an 4197 // install permission's state is shared across all users. 4198 if (mPermissionReviewRequired 4199 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4200 && bp.isRuntime()) { 4201 return; 4202 } 4203 4204 SettingBase sb = (SettingBase) pkg.mExtras; 4205 if (sb == null) { 4206 throw new IllegalArgumentException("Unknown package: " + packageName); 4207 } 4208 4209 final PermissionsState permissionsState = sb.getPermissionsState(); 4210 4211 final int flags = permissionsState.getPermissionFlags(name, userId); 4212 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4213 throw new SecurityException("Cannot revoke system fixed permission " 4214 + name + " for package " + packageName); 4215 } 4216 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4217 throw new SecurityException("Cannot revoke policy fixed permission " 4218 + name + " for package " + packageName); 4219 } 4220 4221 if (bp.isDevelopment()) { 4222 // Development permissions must be handled specially, since they are not 4223 // normal runtime permissions. For now they apply to all users. 4224 if (permissionsState.revokeInstallPermission(bp) != 4225 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4226 scheduleWriteSettingsLocked(); 4227 } 4228 return; 4229 } 4230 4231 if (permissionsState.revokeRuntimePermission(bp, userId) == 4232 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4233 return; 4234 } 4235 4236 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4237 4238 // Critical, after this call app should never have the permission. 4239 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4240 4241 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4242 } 4243 4244 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4245 } 4246 4247 @Override 4248 public void resetRuntimePermissions() { 4249 mContext.enforceCallingOrSelfPermission( 4250 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4251 "revokeRuntimePermission"); 4252 4253 int callingUid = Binder.getCallingUid(); 4254 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4255 mContext.enforceCallingOrSelfPermission( 4256 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4257 "resetRuntimePermissions"); 4258 } 4259 4260 synchronized (mPackages) { 4261 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4262 for (int userId : UserManagerService.getInstance().getUserIds()) { 4263 final int packageCount = mPackages.size(); 4264 for (int i = 0; i < packageCount; i++) { 4265 PackageParser.Package pkg = mPackages.valueAt(i); 4266 if (!(pkg.mExtras instanceof PackageSetting)) { 4267 continue; 4268 } 4269 PackageSetting ps = (PackageSetting) pkg.mExtras; 4270 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4271 } 4272 } 4273 } 4274 } 4275 4276 @Override 4277 public int getPermissionFlags(String name, String packageName, int userId) { 4278 if (!sUserManager.exists(userId)) { 4279 return 0; 4280 } 4281 4282 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4283 4284 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4285 true /* requireFullPermission */, false /* checkShell */, 4286 "getPermissionFlags"); 4287 4288 synchronized (mPackages) { 4289 final PackageParser.Package pkg = mPackages.get(packageName); 4290 if (pkg == null) { 4291 return 0; 4292 } 4293 4294 final BasePermission bp = mSettings.mPermissions.get(name); 4295 if (bp == null) { 4296 return 0; 4297 } 4298 4299 SettingBase sb = (SettingBase) pkg.mExtras; 4300 if (sb == null) { 4301 return 0; 4302 } 4303 4304 PermissionsState permissionsState = sb.getPermissionsState(); 4305 return permissionsState.getPermissionFlags(name, userId); 4306 } 4307 } 4308 4309 @Override 4310 public void updatePermissionFlags(String name, String packageName, int flagMask, 4311 int flagValues, int userId) { 4312 if (!sUserManager.exists(userId)) { 4313 return; 4314 } 4315 4316 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4317 4318 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4319 true /* requireFullPermission */, true /* checkShell */, 4320 "updatePermissionFlags"); 4321 4322 // Only the system can change these flags and nothing else. 4323 if (getCallingUid() != Process.SYSTEM_UID) { 4324 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4325 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4326 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4327 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4328 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4329 } 4330 4331 synchronized (mPackages) { 4332 final PackageParser.Package pkg = mPackages.get(packageName); 4333 if (pkg == null) { 4334 throw new IllegalArgumentException("Unknown package: " + packageName); 4335 } 4336 4337 final BasePermission bp = mSettings.mPermissions.get(name); 4338 if (bp == null) { 4339 throw new IllegalArgumentException("Unknown permission: " + name); 4340 } 4341 4342 SettingBase sb = (SettingBase) pkg.mExtras; 4343 if (sb == null) { 4344 throw new IllegalArgumentException("Unknown package: " + packageName); 4345 } 4346 4347 PermissionsState permissionsState = sb.getPermissionsState(); 4348 4349 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4350 4351 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4352 // Install and runtime permissions are stored in different places, 4353 // so figure out what permission changed and persist the change. 4354 if (permissionsState.getInstallPermissionState(name) != null) { 4355 scheduleWriteSettingsLocked(); 4356 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4357 || hadState) { 4358 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4359 } 4360 } 4361 } 4362 } 4363 4364 /** 4365 * Update the permission flags for all packages and runtime permissions of a user in order 4366 * to allow device or profile owner to remove POLICY_FIXED. 4367 */ 4368 @Override 4369 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4370 if (!sUserManager.exists(userId)) { 4371 return; 4372 } 4373 4374 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4375 4376 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4377 true /* requireFullPermission */, true /* checkShell */, 4378 "updatePermissionFlagsForAllApps"); 4379 4380 // Only the system can change system fixed flags. 4381 if (getCallingUid() != Process.SYSTEM_UID) { 4382 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4383 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4384 } 4385 4386 synchronized (mPackages) { 4387 boolean changed = false; 4388 final int packageCount = mPackages.size(); 4389 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4390 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4391 SettingBase sb = (SettingBase) pkg.mExtras; 4392 if (sb == null) { 4393 continue; 4394 } 4395 PermissionsState permissionsState = sb.getPermissionsState(); 4396 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4397 userId, flagMask, flagValues); 4398 } 4399 if (changed) { 4400 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4401 } 4402 } 4403 } 4404 4405 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4406 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4407 != PackageManager.PERMISSION_GRANTED 4408 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4409 != PackageManager.PERMISSION_GRANTED) { 4410 throw new SecurityException(message + " requires " 4411 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4412 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4413 } 4414 } 4415 4416 @Override 4417 public boolean shouldShowRequestPermissionRationale(String permissionName, 4418 String packageName, int userId) { 4419 if (UserHandle.getCallingUserId() != userId) { 4420 mContext.enforceCallingPermission( 4421 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4422 "canShowRequestPermissionRationale for user " + userId); 4423 } 4424 4425 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4426 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4427 return false; 4428 } 4429 4430 if (checkPermission(permissionName, packageName, userId) 4431 == PackageManager.PERMISSION_GRANTED) { 4432 return false; 4433 } 4434 4435 final int flags; 4436 4437 final long identity = Binder.clearCallingIdentity(); 4438 try { 4439 flags = getPermissionFlags(permissionName, 4440 packageName, userId); 4441 } finally { 4442 Binder.restoreCallingIdentity(identity); 4443 } 4444 4445 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4446 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4447 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4448 4449 if ((flags & fixedFlags) != 0) { 4450 return false; 4451 } 4452 4453 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4454 } 4455 4456 @Override 4457 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4458 mContext.enforceCallingOrSelfPermission( 4459 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4460 "addOnPermissionsChangeListener"); 4461 4462 synchronized (mPackages) { 4463 mOnPermissionChangeListeners.addListenerLocked(listener); 4464 } 4465 } 4466 4467 @Override 4468 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4469 synchronized (mPackages) { 4470 mOnPermissionChangeListeners.removeListenerLocked(listener); 4471 } 4472 } 4473 4474 @Override 4475 public boolean isProtectedBroadcast(String actionName) { 4476 synchronized (mPackages) { 4477 if (mProtectedBroadcasts.contains(actionName)) { 4478 return true; 4479 } else if (actionName != null) { 4480 // TODO: remove these terrible hacks 4481 if (actionName.startsWith("android.net.netmon.lingerExpired") 4482 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4483 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4484 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4485 return true; 4486 } 4487 } 4488 } 4489 return false; 4490 } 4491 4492 @Override 4493 public int checkSignatures(String pkg1, String pkg2) { 4494 synchronized (mPackages) { 4495 final PackageParser.Package p1 = mPackages.get(pkg1); 4496 final PackageParser.Package p2 = mPackages.get(pkg2); 4497 if (p1 == null || p1.mExtras == null 4498 || p2 == null || p2.mExtras == null) { 4499 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4500 } 4501 return compareSignatures(p1.mSignatures, p2.mSignatures); 4502 } 4503 } 4504 4505 @Override 4506 public int checkUidSignatures(int uid1, int uid2) { 4507 // Map to base uids. 4508 uid1 = UserHandle.getAppId(uid1); 4509 uid2 = UserHandle.getAppId(uid2); 4510 // reader 4511 synchronized (mPackages) { 4512 Signature[] s1; 4513 Signature[] s2; 4514 Object obj = mSettings.getUserIdLPr(uid1); 4515 if (obj != null) { 4516 if (obj instanceof SharedUserSetting) { 4517 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4518 } else if (obj instanceof PackageSetting) { 4519 s1 = ((PackageSetting)obj).signatures.mSignatures; 4520 } else { 4521 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4522 } 4523 } else { 4524 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4525 } 4526 obj = mSettings.getUserIdLPr(uid2); 4527 if (obj != null) { 4528 if (obj instanceof SharedUserSetting) { 4529 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4530 } else if (obj instanceof PackageSetting) { 4531 s2 = ((PackageSetting)obj).signatures.mSignatures; 4532 } else { 4533 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4534 } 4535 } else { 4536 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4537 } 4538 return compareSignatures(s1, s2); 4539 } 4540 } 4541 4542 /** 4543 * This method should typically only be used when granting or revoking 4544 * permissions, since the app may immediately restart after this call. 4545 * <p> 4546 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4547 * guard your work against the app being relaunched. 4548 */ 4549 private void killUid(int appId, int userId, String reason) { 4550 final long identity = Binder.clearCallingIdentity(); 4551 try { 4552 IActivityManager am = ActivityManager.getService(); 4553 if (am != null) { 4554 try { 4555 am.killUid(appId, userId, reason); 4556 } catch (RemoteException e) { 4557 /* ignore - same process */ 4558 } 4559 } 4560 } finally { 4561 Binder.restoreCallingIdentity(identity); 4562 } 4563 } 4564 4565 /** 4566 * Compares two sets of signatures. Returns: 4567 * <br /> 4568 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4569 * <br /> 4570 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4571 * <br /> 4572 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4573 * <br /> 4574 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4575 * <br /> 4576 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4577 */ 4578 static int compareSignatures(Signature[] s1, Signature[] s2) { 4579 if (s1 == null) { 4580 return s2 == null 4581 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4582 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4583 } 4584 4585 if (s2 == null) { 4586 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4587 } 4588 4589 if (s1.length != s2.length) { 4590 return PackageManager.SIGNATURE_NO_MATCH; 4591 } 4592 4593 // Since both signature sets are of size 1, we can compare without HashSets. 4594 if (s1.length == 1) { 4595 return s1[0].equals(s2[0]) ? 4596 PackageManager.SIGNATURE_MATCH : 4597 PackageManager.SIGNATURE_NO_MATCH; 4598 } 4599 4600 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4601 for (Signature sig : s1) { 4602 set1.add(sig); 4603 } 4604 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4605 for (Signature sig : s2) { 4606 set2.add(sig); 4607 } 4608 // Make sure s2 contains all signatures in s1. 4609 if (set1.equals(set2)) { 4610 return PackageManager.SIGNATURE_MATCH; 4611 } 4612 return PackageManager.SIGNATURE_NO_MATCH; 4613 } 4614 4615 /** 4616 * If the database version for this type of package (internal storage or 4617 * external storage) is less than the version where package signatures 4618 * were updated, return true. 4619 */ 4620 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4621 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4622 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4623 } 4624 4625 /** 4626 * Used for backward compatibility to make sure any packages with 4627 * certificate chains get upgraded to the new style. {@code existingSigs} 4628 * will be in the old format (since they were stored on disk from before the 4629 * system upgrade) and {@code scannedSigs} will be in the newer format. 4630 */ 4631 private int compareSignaturesCompat(PackageSignatures existingSigs, 4632 PackageParser.Package scannedPkg) { 4633 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4634 return PackageManager.SIGNATURE_NO_MATCH; 4635 } 4636 4637 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4638 for (Signature sig : existingSigs.mSignatures) { 4639 existingSet.add(sig); 4640 } 4641 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4642 for (Signature sig : scannedPkg.mSignatures) { 4643 try { 4644 Signature[] chainSignatures = sig.getChainSignatures(); 4645 for (Signature chainSig : chainSignatures) { 4646 scannedCompatSet.add(chainSig); 4647 } 4648 } catch (CertificateEncodingException e) { 4649 scannedCompatSet.add(sig); 4650 } 4651 } 4652 /* 4653 * Make sure the expanded scanned set contains all signatures in the 4654 * existing one. 4655 */ 4656 if (scannedCompatSet.equals(existingSet)) { 4657 // Migrate the old signatures to the new scheme. 4658 existingSigs.assignSignatures(scannedPkg.mSignatures); 4659 // The new KeySets will be re-added later in the scanning process. 4660 synchronized (mPackages) { 4661 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4662 } 4663 return PackageManager.SIGNATURE_MATCH; 4664 } 4665 return PackageManager.SIGNATURE_NO_MATCH; 4666 } 4667 4668 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4669 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4670 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4671 } 4672 4673 private int compareSignaturesRecover(PackageSignatures existingSigs, 4674 PackageParser.Package scannedPkg) { 4675 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4676 return PackageManager.SIGNATURE_NO_MATCH; 4677 } 4678 4679 String msg = null; 4680 try { 4681 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4682 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4683 + scannedPkg.packageName); 4684 return PackageManager.SIGNATURE_MATCH; 4685 } 4686 } catch (CertificateException e) { 4687 msg = e.getMessage(); 4688 } 4689 4690 logCriticalInfo(Log.INFO, 4691 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4692 return PackageManager.SIGNATURE_NO_MATCH; 4693 } 4694 4695 @Override 4696 public List<String> getAllPackages() { 4697 synchronized (mPackages) { 4698 return new ArrayList<String>(mPackages.keySet()); 4699 } 4700 } 4701 4702 @Override 4703 public String[] getPackagesForUid(int uid) { 4704 final int userId = UserHandle.getUserId(uid); 4705 uid = UserHandle.getAppId(uid); 4706 // reader 4707 synchronized (mPackages) { 4708 Object obj = mSettings.getUserIdLPr(uid); 4709 if (obj instanceof SharedUserSetting) { 4710 final SharedUserSetting sus = (SharedUserSetting) obj; 4711 final int N = sus.packages.size(); 4712 String[] res = new String[N]; 4713 final Iterator<PackageSetting> it = sus.packages.iterator(); 4714 int i = 0; 4715 while (it.hasNext()) { 4716 PackageSetting ps = it.next(); 4717 if (ps.getInstalled(userId)) { 4718 res[i++] = ps.name; 4719 } else { 4720 res = ArrayUtils.removeElement(String.class, res, res[i]); 4721 } 4722 } 4723 return res; 4724 } else if (obj instanceof PackageSetting) { 4725 final PackageSetting ps = (PackageSetting) obj; 4726 return new String[] { ps.name }; 4727 } 4728 } 4729 return null; 4730 } 4731 4732 @Override 4733 public String getNameForUid(int uid) { 4734 // reader 4735 synchronized (mPackages) { 4736 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4737 if (obj instanceof SharedUserSetting) { 4738 final SharedUserSetting sus = (SharedUserSetting) obj; 4739 return sus.name + ":" + sus.userId; 4740 } else if (obj instanceof PackageSetting) { 4741 final PackageSetting ps = (PackageSetting) obj; 4742 return ps.name; 4743 } 4744 } 4745 return null; 4746 } 4747 4748 @Override 4749 public int getUidForSharedUser(String sharedUserName) { 4750 if(sharedUserName == null) { 4751 return -1; 4752 } 4753 // reader 4754 synchronized (mPackages) { 4755 SharedUserSetting suid; 4756 try { 4757 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4758 if (suid != null) { 4759 return suid.userId; 4760 } 4761 } catch (PackageManagerException ignore) { 4762 // can't happen, but, still need to catch it 4763 } 4764 return -1; 4765 } 4766 } 4767 4768 @Override 4769 public int getFlagsForUid(int uid) { 4770 synchronized (mPackages) { 4771 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4772 if (obj instanceof SharedUserSetting) { 4773 final SharedUserSetting sus = (SharedUserSetting) obj; 4774 return sus.pkgFlags; 4775 } else if (obj instanceof PackageSetting) { 4776 final PackageSetting ps = (PackageSetting) obj; 4777 return ps.pkgFlags; 4778 } 4779 } 4780 return 0; 4781 } 4782 4783 @Override 4784 public int getPrivateFlagsForUid(int uid) { 4785 synchronized (mPackages) { 4786 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4787 if (obj instanceof SharedUserSetting) { 4788 final SharedUserSetting sus = (SharedUserSetting) obj; 4789 return sus.pkgPrivateFlags; 4790 } else if (obj instanceof PackageSetting) { 4791 final PackageSetting ps = (PackageSetting) obj; 4792 return ps.pkgPrivateFlags; 4793 } 4794 } 4795 return 0; 4796 } 4797 4798 @Override 4799 public boolean isUidPrivileged(int uid) { 4800 uid = UserHandle.getAppId(uid); 4801 // reader 4802 synchronized (mPackages) { 4803 Object obj = mSettings.getUserIdLPr(uid); 4804 if (obj instanceof SharedUserSetting) { 4805 final SharedUserSetting sus = (SharedUserSetting) obj; 4806 final Iterator<PackageSetting> it = sus.packages.iterator(); 4807 while (it.hasNext()) { 4808 if (it.next().isPrivileged()) { 4809 return true; 4810 } 4811 } 4812 } else if (obj instanceof PackageSetting) { 4813 final PackageSetting ps = (PackageSetting) obj; 4814 return ps.isPrivileged(); 4815 } 4816 } 4817 return false; 4818 } 4819 4820 @Override 4821 public String[] getAppOpPermissionPackages(String permissionName) { 4822 synchronized (mPackages) { 4823 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4824 if (pkgs == null) { 4825 return null; 4826 } 4827 return pkgs.toArray(new String[pkgs.size()]); 4828 } 4829 } 4830 4831 @Override 4832 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4833 int flags, int userId) { 4834 try { 4835 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4836 4837 if (!sUserManager.exists(userId)) return null; 4838 flags = updateFlagsForResolve(flags, userId, intent); 4839 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4840 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4841 4842 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4843 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4844 flags, userId); 4845 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4846 4847 final ResolveInfo bestChoice = 4848 chooseBestActivity(intent, resolvedType, flags, query, userId); 4849 return bestChoice; 4850 } finally { 4851 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4852 } 4853 } 4854 4855 @Override 4856 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4857 IntentFilter filter, int match, ComponentName activity) { 4858 final int userId = UserHandle.getCallingUserId(); 4859 if (DEBUG_PREFERRED) { 4860 Log.v(TAG, "setLastChosenActivity intent=" + intent 4861 + " resolvedType=" + resolvedType 4862 + " flags=" + flags 4863 + " filter=" + filter 4864 + " match=" + match 4865 + " activity=" + activity); 4866 filter.dump(new PrintStreamPrinter(System.out), " "); 4867 } 4868 intent.setComponent(null); 4869 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4870 userId); 4871 // Find any earlier preferred or last chosen entries and nuke them 4872 findPreferredActivity(intent, resolvedType, 4873 flags, query, 0, false, true, false, userId); 4874 // Add the new activity as the last chosen for this filter 4875 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4876 "Setting last chosen"); 4877 } 4878 4879 @Override 4880 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4881 final int userId = UserHandle.getCallingUserId(); 4882 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4883 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4884 userId); 4885 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4886 false, false, false, userId); 4887 } 4888 4889 private boolean isEphemeralDisabled() { 4890 // ephemeral apps have been disabled across the board 4891 if (DISABLE_EPHEMERAL_APPS) { 4892 return true; 4893 } 4894 // system isn't up yet; can't read settings, so, assume no ephemeral apps 4895 if (!mSystemReady) { 4896 return true; 4897 } 4898 // we can't get a content resolver until the system is ready; these checks must happen last 4899 final ContentResolver resolver = mContext.getContentResolver(); 4900 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 4901 return true; 4902 } 4903 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 4904 } 4905 4906 private boolean isEphemeralAllowed( 4907 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 4908 boolean skipPackageCheck) { 4909 // Short circuit and return early if possible. 4910 if (isEphemeralDisabled()) { 4911 return false; 4912 } 4913 final int callingUser = UserHandle.getCallingUserId(); 4914 if (callingUser != UserHandle.USER_SYSTEM) { 4915 return false; 4916 } 4917 if (mEphemeralResolverConnection == null) { 4918 return false; 4919 } 4920 if (intent.getComponent() != null) { 4921 return false; 4922 } 4923 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 4924 return false; 4925 } 4926 if (!skipPackageCheck && intent.getPackage() != null) { 4927 return false; 4928 } 4929 final boolean isWebUri = hasWebURI(intent); 4930 if (!isWebUri || intent.getData().getHost() == null) { 4931 return false; 4932 } 4933 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4934 synchronized (mPackages) { 4935 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 4936 for (int n = 0; n < count; n++) { 4937 ResolveInfo info = resolvedActivities.get(n); 4938 String packageName = info.activityInfo.packageName; 4939 PackageSetting ps = mSettings.mPackages.get(packageName); 4940 if (ps != null) { 4941 // Try to get the status from User settings first 4942 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4943 int status = (int) (packedStatus >> 32); 4944 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4945 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4946 if (DEBUG_EPHEMERAL) { 4947 Slog.v(TAG, "DENY ephemeral apps;" 4948 + " pkg: " + packageName + ", status: " + status); 4949 } 4950 return false; 4951 } 4952 } 4953 } 4954 } 4955 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4956 return true; 4957 } 4958 4959 private void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 4960 Intent origIntent, String resolvedType, Intent launchIntent, String callingPackage, 4961 int userId) { 4962 final Message msg = mHandler.obtainMessage(EPHEMERAL_RESOLUTION_PHASE_TWO, 4963 new EphemeralRequest(responseObj, origIntent, resolvedType, launchIntent, 4964 callingPackage, userId)); 4965 mHandler.sendMessage(msg); 4966 } 4967 4968 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4969 int flags, List<ResolveInfo> query, int userId) { 4970 if (query != null) { 4971 final int N = query.size(); 4972 if (N == 1) { 4973 return query.get(0); 4974 } else if (N > 1) { 4975 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4976 // If there is more than one activity with the same priority, 4977 // then let the user decide between them. 4978 ResolveInfo r0 = query.get(0); 4979 ResolveInfo r1 = query.get(1); 4980 if (DEBUG_INTENT_MATCHING || debug) { 4981 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4982 + r1.activityInfo.name + "=" + r1.priority); 4983 } 4984 // If the first activity has a higher priority, or a different 4985 // default, then it is always desirable to pick it. 4986 if (r0.priority != r1.priority 4987 || r0.preferredOrder != r1.preferredOrder 4988 || r0.isDefault != r1.isDefault) { 4989 return query.get(0); 4990 } 4991 // If we have saved a preference for a preferred activity for 4992 // this Intent, use that. 4993 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4994 flags, query, r0.priority, true, false, debug, userId); 4995 if (ri != null) { 4996 return ri; 4997 } 4998 ri = new ResolveInfo(mResolveInfo); 4999 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5000 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5001 // If all of the options come from the same package, show the application's 5002 // label and icon instead of the generic resolver's. 5003 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5004 // and then throw away the ResolveInfo itself, meaning that the caller loses 5005 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5006 // a fallback for this case; we only set the target package's resources on 5007 // the ResolveInfo, not the ActivityInfo. 5008 final String intentPackage = intent.getPackage(); 5009 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5010 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5011 ri.resolvePackageName = intentPackage; 5012 if (userNeedsBadging(userId)) { 5013 ri.noResourceId = true; 5014 } else { 5015 ri.icon = appi.icon; 5016 } 5017 ri.iconResourceId = appi.icon; 5018 ri.labelRes = appi.labelRes; 5019 } 5020 ri.activityInfo.applicationInfo = new ApplicationInfo( 5021 ri.activityInfo.applicationInfo); 5022 if (userId != 0) { 5023 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5024 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5025 } 5026 // Make sure that the resolver is displayable in car mode 5027 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5028 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5029 return ri; 5030 } 5031 } 5032 return null; 5033 } 5034 5035 /** 5036 * Return true if the given list is not empty and all of its contents have 5037 * an activityInfo with the given package name. 5038 */ 5039 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5040 if (ArrayUtils.isEmpty(list)) { 5041 return false; 5042 } 5043 for (int i = 0, N = list.size(); i < N; i++) { 5044 final ResolveInfo ri = list.get(i); 5045 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5046 if (ai == null || !packageName.equals(ai.packageName)) { 5047 return false; 5048 } 5049 } 5050 return true; 5051 } 5052 5053 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5054 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5055 final int N = query.size(); 5056 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5057 .get(userId); 5058 // Get the list of persistent preferred activities that handle the intent 5059 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5060 List<PersistentPreferredActivity> pprefs = ppir != null 5061 ? ppir.queryIntent(intent, resolvedType, 5062 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5063 : null; 5064 if (pprefs != null && pprefs.size() > 0) { 5065 final int M = pprefs.size(); 5066 for (int i=0; i<M; i++) { 5067 final PersistentPreferredActivity ppa = pprefs.get(i); 5068 if (DEBUG_PREFERRED || debug) { 5069 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5070 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5071 + "\n component=" + ppa.mComponent); 5072 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5073 } 5074 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5075 flags | MATCH_DISABLED_COMPONENTS, userId); 5076 if (DEBUG_PREFERRED || debug) { 5077 Slog.v(TAG, "Found persistent preferred activity:"); 5078 if (ai != null) { 5079 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5080 } else { 5081 Slog.v(TAG, " null"); 5082 } 5083 } 5084 if (ai == null) { 5085 // This previously registered persistent preferred activity 5086 // component is no longer known. Ignore it and do NOT remove it. 5087 continue; 5088 } 5089 for (int j=0; j<N; j++) { 5090 final ResolveInfo ri = query.get(j); 5091 if (!ri.activityInfo.applicationInfo.packageName 5092 .equals(ai.applicationInfo.packageName)) { 5093 continue; 5094 } 5095 if (!ri.activityInfo.name.equals(ai.name)) { 5096 continue; 5097 } 5098 // Found a persistent preference that can handle the intent. 5099 if (DEBUG_PREFERRED || debug) { 5100 Slog.v(TAG, "Returning persistent preferred activity: " + 5101 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5102 } 5103 return ri; 5104 } 5105 } 5106 } 5107 return null; 5108 } 5109 5110 // TODO: handle preferred activities missing while user has amnesia 5111 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5112 List<ResolveInfo> query, int priority, boolean always, 5113 boolean removeMatches, boolean debug, int userId) { 5114 if (!sUserManager.exists(userId)) return null; 5115 flags = updateFlagsForResolve(flags, userId, intent); 5116 // writer 5117 synchronized (mPackages) { 5118 if (intent.getSelector() != null) { 5119 intent = intent.getSelector(); 5120 } 5121 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5122 5123 // Try to find a matching persistent preferred activity. 5124 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5125 debug, userId); 5126 5127 // If a persistent preferred activity matched, use it. 5128 if (pri != null) { 5129 return pri; 5130 } 5131 5132 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5133 // Get the list of preferred activities that handle the intent 5134 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5135 List<PreferredActivity> prefs = pir != null 5136 ? pir.queryIntent(intent, resolvedType, 5137 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5138 : null; 5139 if (prefs != null && prefs.size() > 0) { 5140 boolean changed = false; 5141 try { 5142 // First figure out how good the original match set is. 5143 // We will only allow preferred activities that came 5144 // from the same match quality. 5145 int match = 0; 5146 5147 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5148 5149 final int N = query.size(); 5150 for (int j=0; j<N; j++) { 5151 final ResolveInfo ri = query.get(j); 5152 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5153 + ": 0x" + Integer.toHexString(match)); 5154 if (ri.match > match) { 5155 match = ri.match; 5156 } 5157 } 5158 5159 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5160 + Integer.toHexString(match)); 5161 5162 match &= IntentFilter.MATCH_CATEGORY_MASK; 5163 final int M = prefs.size(); 5164 for (int i=0; i<M; i++) { 5165 final PreferredActivity pa = prefs.get(i); 5166 if (DEBUG_PREFERRED || debug) { 5167 Slog.v(TAG, "Checking PreferredActivity ds=" 5168 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5169 + "\n component=" + pa.mPref.mComponent); 5170 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5171 } 5172 if (pa.mPref.mMatch != match) { 5173 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5174 + Integer.toHexString(pa.mPref.mMatch)); 5175 continue; 5176 } 5177 // If it's not an "always" type preferred activity and that's what we're 5178 // looking for, skip it. 5179 if (always && !pa.mPref.mAlways) { 5180 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5181 continue; 5182 } 5183 final ActivityInfo ai = getActivityInfo( 5184 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5185 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5186 userId); 5187 if (DEBUG_PREFERRED || debug) { 5188 Slog.v(TAG, "Found preferred activity:"); 5189 if (ai != null) { 5190 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5191 } else { 5192 Slog.v(TAG, " null"); 5193 } 5194 } 5195 if (ai == null) { 5196 // This previously registered preferred activity 5197 // component is no longer known. Most likely an update 5198 // to the app was installed and in the new version this 5199 // component no longer exists. Clean it up by removing 5200 // it from the preferred activities list, and skip it. 5201 Slog.w(TAG, "Removing dangling preferred activity: " 5202 + pa.mPref.mComponent); 5203 pir.removeFilter(pa); 5204 changed = true; 5205 continue; 5206 } 5207 for (int j=0; j<N; j++) { 5208 final ResolveInfo ri = query.get(j); 5209 if (!ri.activityInfo.applicationInfo.packageName 5210 .equals(ai.applicationInfo.packageName)) { 5211 continue; 5212 } 5213 if (!ri.activityInfo.name.equals(ai.name)) { 5214 continue; 5215 } 5216 5217 if (removeMatches) { 5218 pir.removeFilter(pa); 5219 changed = true; 5220 if (DEBUG_PREFERRED) { 5221 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5222 } 5223 break; 5224 } 5225 5226 // Okay we found a previously set preferred or last chosen app. 5227 // If the result set is different from when this 5228 // was created, we need to clear it and re-ask the 5229 // user their preference, if we're looking for an "always" type entry. 5230 if (always && !pa.mPref.sameSet(query)) { 5231 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5232 + intent + " type " + resolvedType); 5233 if (DEBUG_PREFERRED) { 5234 Slog.v(TAG, "Removing preferred activity since set changed " 5235 + pa.mPref.mComponent); 5236 } 5237 pir.removeFilter(pa); 5238 // Re-add the filter as a "last chosen" entry (!always) 5239 PreferredActivity lastChosen = new PreferredActivity( 5240 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5241 pir.addFilter(lastChosen); 5242 changed = true; 5243 return null; 5244 } 5245 5246 // Yay! Either the set matched or we're looking for the last chosen 5247 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5248 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5249 return ri; 5250 } 5251 } 5252 } finally { 5253 if (changed) { 5254 if (DEBUG_PREFERRED) { 5255 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5256 } 5257 scheduleWritePackageRestrictionsLocked(userId); 5258 } 5259 } 5260 } 5261 } 5262 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5263 return null; 5264 } 5265 5266 /* 5267 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5268 */ 5269 @Override 5270 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5271 int targetUserId) { 5272 mContext.enforceCallingOrSelfPermission( 5273 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5274 List<CrossProfileIntentFilter> matches = 5275 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5276 if (matches != null) { 5277 int size = matches.size(); 5278 for (int i = 0; i < size; i++) { 5279 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5280 } 5281 } 5282 if (hasWebURI(intent)) { 5283 // cross-profile app linking works only towards the parent. 5284 final UserInfo parent = getProfileParent(sourceUserId); 5285 synchronized(mPackages) { 5286 int flags = updateFlagsForResolve(0, parent.id, intent); 5287 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5288 intent, resolvedType, flags, sourceUserId, parent.id); 5289 return xpDomainInfo != null; 5290 } 5291 } 5292 return false; 5293 } 5294 5295 private UserInfo getProfileParent(int userId) { 5296 final long identity = Binder.clearCallingIdentity(); 5297 try { 5298 return sUserManager.getProfileParent(userId); 5299 } finally { 5300 Binder.restoreCallingIdentity(identity); 5301 } 5302 } 5303 5304 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5305 String resolvedType, int userId) { 5306 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5307 if (resolver != null) { 5308 return resolver.queryIntent(intent, resolvedType, false, userId); 5309 } 5310 return null; 5311 } 5312 5313 @Override 5314 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5315 String resolvedType, int flags, int userId) { 5316 try { 5317 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5318 5319 return new ParceledListSlice<>( 5320 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5321 } finally { 5322 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5323 } 5324 } 5325 5326 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5327 String resolvedType, int flags, int userId) { 5328 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5329 flags = updateFlagsForResolve(flags, userId, intent); 5330 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5331 false /* requireFullPermission */, false /* checkShell */, 5332 "query intent activities"); 5333 ComponentName comp = intent.getComponent(); 5334 if (comp == null) { 5335 if (intent.getSelector() != null) { 5336 intent = intent.getSelector(); 5337 comp = intent.getComponent(); 5338 } 5339 } 5340 5341 if (comp != null) { 5342 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5343 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5344 if (ai != null) { 5345 final ResolveInfo ri = new ResolveInfo(); 5346 ri.activityInfo = ai; 5347 list.add(ri); 5348 } 5349 return list; 5350 } 5351 5352 // reader 5353 boolean sortResult = false; 5354 boolean addEphemeral = false; 5355 boolean matchEphemeralPackage = false; 5356 List<ResolveInfo> result; 5357 final String pkgName = intent.getPackage(); 5358 synchronized (mPackages) { 5359 if (pkgName == null) { 5360 List<CrossProfileIntentFilter> matchingFilters = 5361 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5362 // Check for results that need to skip the current profile. 5363 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5364 resolvedType, flags, userId); 5365 if (xpResolveInfo != null) { 5366 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5367 xpResult.add(xpResolveInfo); 5368 return filterIfNotSystemUser(xpResult, userId); 5369 } 5370 5371 // Check for results in the current profile. 5372 result = filterIfNotSystemUser(mActivities.queryIntent( 5373 intent, resolvedType, flags, userId), userId); 5374 addEphemeral = 5375 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5376 5377 // Check for cross profile results. 5378 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5379 xpResolveInfo = queryCrossProfileIntents( 5380 matchingFilters, intent, resolvedType, flags, userId, 5381 hasNonNegativePriorityResult); 5382 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5383 boolean isVisibleToUser = filterIfNotSystemUser( 5384 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5385 if (isVisibleToUser) { 5386 result.add(xpResolveInfo); 5387 sortResult = true; 5388 } 5389 } 5390 if (hasWebURI(intent)) { 5391 CrossProfileDomainInfo xpDomainInfo = null; 5392 final UserInfo parent = getProfileParent(userId); 5393 if (parent != null) { 5394 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5395 flags, userId, parent.id); 5396 } 5397 if (xpDomainInfo != null) { 5398 if (xpResolveInfo != null) { 5399 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5400 // in the result. 5401 result.remove(xpResolveInfo); 5402 } 5403 if (result.size() == 0 && !addEphemeral) { 5404 // No result in current profile, but found candidate in parent user. 5405 // And we are not going to add emphemeral app, so we can return the 5406 // result straight away. 5407 result.add(xpDomainInfo.resolveInfo); 5408 return result; 5409 } 5410 } else if (result.size() <= 1 && !addEphemeral) { 5411 // No result in parent user and <= 1 result in current profile, and we 5412 // are not going to add emphemeral app, so we can return the result without 5413 // further processing. 5414 return result; 5415 } 5416 // We have more than one candidate (combining results from current and parent 5417 // profile), so we need filtering and sorting. 5418 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5419 intent, flags, result, xpDomainInfo, userId); 5420 sortResult = true; 5421 } 5422 } else { 5423 final PackageParser.Package pkg = mPackages.get(pkgName); 5424 if (pkg != null) { 5425 result = filterIfNotSystemUser( 5426 mActivities.queryIntentForPackage( 5427 intent, resolvedType, flags, pkg.activities, userId), 5428 userId); 5429 } else { 5430 // the caller wants to resolve for a particular package; however, there 5431 // were no installed results, so, try to find an ephemeral result 5432 addEphemeral = isEphemeralAllowed( 5433 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5434 matchEphemeralPackage = true; 5435 result = new ArrayList<ResolveInfo>(); 5436 } 5437 } 5438 } 5439 if (addEphemeral) { 5440 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5441 final EphemeralRequest requestObject = new EphemeralRequest( 5442 null /*responseObj*/, intent /*origIntent*/, resolvedType, 5443 null /*launchIntent*/, null /*callingPackage*/, userId); 5444 final EphemeralResponse intentInfo = EphemeralResolver.doEphemeralResolutionPhaseOne( 5445 mContext, mEphemeralResolverConnection, requestObject); 5446 if (intentInfo != null) { 5447 if (DEBUG_EPHEMERAL) { 5448 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5449 } 5450 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5451 ephemeralInstaller.ephemeralResponse = intentInfo; 5452 // make sure this resolver is the default 5453 ephemeralInstaller.isDefault = true; 5454 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5455 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5456 // add a non-generic filter 5457 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5458 ephemeralInstaller.filter.addDataPath( 5459 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5460 result.add(ephemeralInstaller); 5461 } 5462 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5463 } 5464 if (sortResult) { 5465 Collections.sort(result, mResolvePrioritySorter); 5466 } 5467 return result; 5468 } 5469 5470 private static class CrossProfileDomainInfo { 5471 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5472 ResolveInfo resolveInfo; 5473 /* Best domain verification status of the activities found in the other profile */ 5474 int bestDomainVerificationStatus; 5475 } 5476 5477 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5478 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5479 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5480 sourceUserId)) { 5481 return null; 5482 } 5483 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5484 resolvedType, flags, parentUserId); 5485 5486 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5487 return null; 5488 } 5489 CrossProfileDomainInfo result = null; 5490 int size = resultTargetUser.size(); 5491 for (int i = 0; i < size; i++) { 5492 ResolveInfo riTargetUser = resultTargetUser.get(i); 5493 // Intent filter verification is only for filters that specify a host. So don't return 5494 // those that handle all web uris. 5495 if (riTargetUser.handleAllWebDataURI) { 5496 continue; 5497 } 5498 String packageName = riTargetUser.activityInfo.packageName; 5499 PackageSetting ps = mSettings.mPackages.get(packageName); 5500 if (ps == null) { 5501 continue; 5502 } 5503 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5504 int status = (int)(verificationState >> 32); 5505 if (result == null) { 5506 result = new CrossProfileDomainInfo(); 5507 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5508 sourceUserId, parentUserId); 5509 result.bestDomainVerificationStatus = status; 5510 } else { 5511 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5512 result.bestDomainVerificationStatus); 5513 } 5514 } 5515 // Don't consider matches with status NEVER across profiles. 5516 if (result != null && result.bestDomainVerificationStatus 5517 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5518 return null; 5519 } 5520 return result; 5521 } 5522 5523 /** 5524 * Verification statuses are ordered from the worse to the best, except for 5525 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5526 */ 5527 private int bestDomainVerificationStatus(int status1, int status2) { 5528 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5529 return status2; 5530 } 5531 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5532 return status1; 5533 } 5534 return (int) MathUtils.max(status1, status2); 5535 } 5536 5537 private boolean isUserEnabled(int userId) { 5538 long callingId = Binder.clearCallingIdentity(); 5539 try { 5540 UserInfo userInfo = sUserManager.getUserInfo(userId); 5541 return userInfo != null && userInfo.isEnabled(); 5542 } finally { 5543 Binder.restoreCallingIdentity(callingId); 5544 } 5545 } 5546 5547 /** 5548 * Filter out activities with systemUserOnly flag set, when current user is not System. 5549 * 5550 * @return filtered list 5551 */ 5552 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5553 if (userId == UserHandle.USER_SYSTEM) { 5554 return resolveInfos; 5555 } 5556 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5557 ResolveInfo info = resolveInfos.get(i); 5558 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5559 resolveInfos.remove(i); 5560 } 5561 } 5562 return resolveInfos; 5563 } 5564 5565 /** 5566 * @param resolveInfos list of resolve infos in descending priority order 5567 * @return if the list contains a resolve info with non-negative priority 5568 */ 5569 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5570 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5571 } 5572 5573 private static boolean hasWebURI(Intent intent) { 5574 if (intent.getData() == null) { 5575 return false; 5576 } 5577 final String scheme = intent.getScheme(); 5578 if (TextUtils.isEmpty(scheme)) { 5579 return false; 5580 } 5581 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5582 } 5583 5584 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5585 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5586 int userId) { 5587 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5588 5589 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5590 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5591 candidates.size()); 5592 } 5593 5594 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5595 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5596 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5597 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5598 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5599 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5600 5601 synchronized (mPackages) { 5602 final int count = candidates.size(); 5603 // First, try to use linked apps. Partition the candidates into four lists: 5604 // one for the final results, one for the "do not use ever", one for "undefined status" 5605 // and finally one for "browser app type". 5606 for (int n=0; n<count; n++) { 5607 ResolveInfo info = candidates.get(n); 5608 String packageName = info.activityInfo.packageName; 5609 PackageSetting ps = mSettings.mPackages.get(packageName); 5610 if (ps != null) { 5611 // Add to the special match all list (Browser use case) 5612 if (info.handleAllWebDataURI) { 5613 matchAllList.add(info); 5614 continue; 5615 } 5616 // Try to get the status from User settings first 5617 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5618 int status = (int)(packedStatus >> 32); 5619 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5620 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5621 if (DEBUG_DOMAIN_VERIFICATION) { 5622 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5623 + " : linkgen=" + linkGeneration); 5624 } 5625 // Use link-enabled generation as preferredOrder, i.e. 5626 // prefer newly-enabled over earlier-enabled. 5627 info.preferredOrder = linkGeneration; 5628 alwaysList.add(info); 5629 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5630 if (DEBUG_DOMAIN_VERIFICATION) { 5631 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5632 } 5633 neverList.add(info); 5634 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5635 if (DEBUG_DOMAIN_VERIFICATION) { 5636 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5637 } 5638 alwaysAskList.add(info); 5639 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5640 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5641 if (DEBUG_DOMAIN_VERIFICATION) { 5642 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5643 } 5644 undefinedList.add(info); 5645 } 5646 } 5647 } 5648 5649 // We'll want to include browser possibilities in a few cases 5650 boolean includeBrowser = false; 5651 5652 // First try to add the "always" resolution(s) for the current user, if any 5653 if (alwaysList.size() > 0) { 5654 result.addAll(alwaysList); 5655 } else { 5656 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5657 result.addAll(undefinedList); 5658 // Maybe add one for the other profile. 5659 if (xpDomainInfo != null && ( 5660 xpDomainInfo.bestDomainVerificationStatus 5661 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5662 result.add(xpDomainInfo.resolveInfo); 5663 } 5664 includeBrowser = true; 5665 } 5666 5667 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5668 // If there were 'always' entries their preferred order has been set, so we also 5669 // back that off to make the alternatives equivalent 5670 if (alwaysAskList.size() > 0) { 5671 for (ResolveInfo i : result) { 5672 i.preferredOrder = 0; 5673 } 5674 result.addAll(alwaysAskList); 5675 includeBrowser = true; 5676 } 5677 5678 if (includeBrowser) { 5679 // Also add browsers (all of them or only the default one) 5680 if (DEBUG_DOMAIN_VERIFICATION) { 5681 Slog.v(TAG, " ...including browsers in candidate set"); 5682 } 5683 if ((matchFlags & MATCH_ALL) != 0) { 5684 result.addAll(matchAllList); 5685 } else { 5686 // Browser/generic handling case. If there's a default browser, go straight 5687 // to that (but only if there is no other higher-priority match). 5688 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5689 int maxMatchPrio = 0; 5690 ResolveInfo defaultBrowserMatch = null; 5691 final int numCandidates = matchAllList.size(); 5692 for (int n = 0; n < numCandidates; n++) { 5693 ResolveInfo info = matchAllList.get(n); 5694 // track the highest overall match priority... 5695 if (info.priority > maxMatchPrio) { 5696 maxMatchPrio = info.priority; 5697 } 5698 // ...and the highest-priority default browser match 5699 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5700 if (defaultBrowserMatch == null 5701 || (defaultBrowserMatch.priority < info.priority)) { 5702 if (debug) { 5703 Slog.v(TAG, "Considering default browser match " + info); 5704 } 5705 defaultBrowserMatch = info; 5706 } 5707 } 5708 } 5709 if (defaultBrowserMatch != null 5710 && defaultBrowserMatch.priority >= maxMatchPrio 5711 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5712 { 5713 if (debug) { 5714 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5715 } 5716 result.add(defaultBrowserMatch); 5717 } else { 5718 result.addAll(matchAllList); 5719 } 5720 } 5721 5722 // If there is nothing selected, add all candidates and remove the ones that the user 5723 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5724 if (result.size() == 0) { 5725 result.addAll(candidates); 5726 result.removeAll(neverList); 5727 } 5728 } 5729 } 5730 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5731 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5732 result.size()); 5733 for (ResolveInfo info : result) { 5734 Slog.v(TAG, " + " + info.activityInfo); 5735 } 5736 } 5737 return result; 5738 } 5739 5740 // Returns a packed value as a long: 5741 // 5742 // high 'int'-sized word: link status: undefined/ask/never/always. 5743 // low 'int'-sized word: relative priority among 'always' results. 5744 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5745 long result = ps.getDomainVerificationStatusForUser(userId); 5746 // if none available, get the master status 5747 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5748 if (ps.getIntentFilterVerificationInfo() != null) { 5749 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5750 } 5751 } 5752 return result; 5753 } 5754 5755 private ResolveInfo querySkipCurrentProfileIntents( 5756 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5757 int flags, int sourceUserId) { 5758 if (matchingFilters != null) { 5759 int size = matchingFilters.size(); 5760 for (int i = 0; i < size; i ++) { 5761 CrossProfileIntentFilter filter = matchingFilters.get(i); 5762 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5763 // Checking if there are activities in the target user that can handle the 5764 // intent. 5765 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5766 resolvedType, flags, sourceUserId); 5767 if (resolveInfo != null) { 5768 return resolveInfo; 5769 } 5770 } 5771 } 5772 } 5773 return null; 5774 } 5775 5776 // Return matching ResolveInfo in target user if any. 5777 private ResolveInfo queryCrossProfileIntents( 5778 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5779 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5780 if (matchingFilters != null) { 5781 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5782 // match the same intent. For performance reasons, it is better not to 5783 // run queryIntent twice for the same userId 5784 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5785 int size = matchingFilters.size(); 5786 for (int i = 0; i < size; i++) { 5787 CrossProfileIntentFilter filter = matchingFilters.get(i); 5788 int targetUserId = filter.getTargetUserId(); 5789 boolean skipCurrentProfile = 5790 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5791 boolean skipCurrentProfileIfNoMatchFound = 5792 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5793 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5794 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5795 // Checking if there are activities in the target user that can handle the 5796 // intent. 5797 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5798 resolvedType, flags, sourceUserId); 5799 if (resolveInfo != null) return resolveInfo; 5800 alreadyTriedUserIds.put(targetUserId, true); 5801 } 5802 } 5803 } 5804 return null; 5805 } 5806 5807 /** 5808 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5809 * will forward the intent to the filter's target user. 5810 * Otherwise, returns null. 5811 */ 5812 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5813 String resolvedType, int flags, int sourceUserId) { 5814 int targetUserId = filter.getTargetUserId(); 5815 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5816 resolvedType, flags, targetUserId); 5817 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5818 // If all the matches in the target profile are suspended, return null. 5819 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5820 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5821 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5822 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5823 targetUserId); 5824 } 5825 } 5826 } 5827 return null; 5828 } 5829 5830 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5831 int sourceUserId, int targetUserId) { 5832 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5833 long ident = Binder.clearCallingIdentity(); 5834 boolean targetIsProfile; 5835 try { 5836 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5837 } finally { 5838 Binder.restoreCallingIdentity(ident); 5839 } 5840 String className; 5841 if (targetIsProfile) { 5842 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5843 } else { 5844 className = FORWARD_INTENT_TO_PARENT; 5845 } 5846 ComponentName forwardingActivityComponentName = new ComponentName( 5847 mAndroidApplication.packageName, className); 5848 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5849 sourceUserId); 5850 if (!targetIsProfile) { 5851 forwardingActivityInfo.showUserIcon = targetUserId; 5852 forwardingResolveInfo.noResourceId = true; 5853 } 5854 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5855 forwardingResolveInfo.priority = 0; 5856 forwardingResolveInfo.preferredOrder = 0; 5857 forwardingResolveInfo.match = 0; 5858 forwardingResolveInfo.isDefault = true; 5859 forwardingResolveInfo.filter = filter; 5860 forwardingResolveInfo.targetUserId = targetUserId; 5861 return forwardingResolveInfo; 5862 } 5863 5864 @Override 5865 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5866 Intent[] specifics, String[] specificTypes, Intent intent, 5867 String resolvedType, int flags, int userId) { 5868 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5869 specificTypes, intent, resolvedType, flags, userId)); 5870 } 5871 5872 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5873 Intent[] specifics, String[] specificTypes, Intent intent, 5874 String resolvedType, int flags, int userId) { 5875 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5876 flags = updateFlagsForResolve(flags, userId, intent); 5877 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5878 false /* requireFullPermission */, false /* checkShell */, 5879 "query intent activity options"); 5880 final String resultsAction = intent.getAction(); 5881 5882 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5883 | PackageManager.GET_RESOLVED_FILTER, userId); 5884 5885 if (DEBUG_INTENT_MATCHING) { 5886 Log.v(TAG, "Query " + intent + ": " + results); 5887 } 5888 5889 int specificsPos = 0; 5890 int N; 5891 5892 // todo: note that the algorithm used here is O(N^2). This 5893 // isn't a problem in our current environment, but if we start running 5894 // into situations where we have more than 5 or 10 matches then this 5895 // should probably be changed to something smarter... 5896 5897 // First we go through and resolve each of the specific items 5898 // that were supplied, taking care of removing any corresponding 5899 // duplicate items in the generic resolve list. 5900 if (specifics != null) { 5901 for (int i=0; i<specifics.length; i++) { 5902 final Intent sintent = specifics[i]; 5903 if (sintent == null) { 5904 continue; 5905 } 5906 5907 if (DEBUG_INTENT_MATCHING) { 5908 Log.v(TAG, "Specific #" + i + ": " + sintent); 5909 } 5910 5911 String action = sintent.getAction(); 5912 if (resultsAction != null && resultsAction.equals(action)) { 5913 // If this action was explicitly requested, then don't 5914 // remove things that have it. 5915 action = null; 5916 } 5917 5918 ResolveInfo ri = null; 5919 ActivityInfo ai = null; 5920 5921 ComponentName comp = sintent.getComponent(); 5922 if (comp == null) { 5923 ri = resolveIntent( 5924 sintent, 5925 specificTypes != null ? specificTypes[i] : null, 5926 flags, userId); 5927 if (ri == null) { 5928 continue; 5929 } 5930 if (ri == mResolveInfo) { 5931 // ACK! Must do something better with this. 5932 } 5933 ai = ri.activityInfo; 5934 comp = new ComponentName(ai.applicationInfo.packageName, 5935 ai.name); 5936 } else { 5937 ai = getActivityInfo(comp, flags, userId); 5938 if (ai == null) { 5939 continue; 5940 } 5941 } 5942 5943 // Look for any generic query activities that are duplicates 5944 // of this specific one, and remove them from the results. 5945 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5946 N = results.size(); 5947 int j; 5948 for (j=specificsPos; j<N; j++) { 5949 ResolveInfo sri = results.get(j); 5950 if ((sri.activityInfo.name.equals(comp.getClassName()) 5951 && sri.activityInfo.applicationInfo.packageName.equals( 5952 comp.getPackageName())) 5953 || (action != null && sri.filter.matchAction(action))) { 5954 results.remove(j); 5955 if (DEBUG_INTENT_MATCHING) Log.v( 5956 TAG, "Removing duplicate item from " + j 5957 + " due to specific " + specificsPos); 5958 if (ri == null) { 5959 ri = sri; 5960 } 5961 j--; 5962 N--; 5963 } 5964 } 5965 5966 // Add this specific item to its proper place. 5967 if (ri == null) { 5968 ri = new ResolveInfo(); 5969 ri.activityInfo = ai; 5970 } 5971 results.add(specificsPos, ri); 5972 ri.specificIndex = i; 5973 specificsPos++; 5974 } 5975 } 5976 5977 // Now we go through the remaining generic results and remove any 5978 // duplicate actions that are found here. 5979 N = results.size(); 5980 for (int i=specificsPos; i<N-1; i++) { 5981 final ResolveInfo rii = results.get(i); 5982 if (rii.filter == null) { 5983 continue; 5984 } 5985 5986 // Iterate over all of the actions of this result's intent 5987 // filter... typically this should be just one. 5988 final Iterator<String> it = rii.filter.actionsIterator(); 5989 if (it == null) { 5990 continue; 5991 } 5992 while (it.hasNext()) { 5993 final String action = it.next(); 5994 if (resultsAction != null && resultsAction.equals(action)) { 5995 // If this action was explicitly requested, then don't 5996 // remove things that have it. 5997 continue; 5998 } 5999 for (int j=i+1; j<N; j++) { 6000 final ResolveInfo rij = results.get(j); 6001 if (rij.filter != null && rij.filter.hasAction(action)) { 6002 results.remove(j); 6003 if (DEBUG_INTENT_MATCHING) Log.v( 6004 TAG, "Removing duplicate item from " + j 6005 + " due to action " + action + " at " + i); 6006 j--; 6007 N--; 6008 } 6009 } 6010 } 6011 6012 // If the caller didn't request filter information, drop it now 6013 // so we don't have to marshall/unmarshall it. 6014 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6015 rii.filter = null; 6016 } 6017 } 6018 6019 // Filter out the caller activity if so requested. 6020 if (caller != null) { 6021 N = results.size(); 6022 for (int i=0; i<N; i++) { 6023 ActivityInfo ainfo = results.get(i).activityInfo; 6024 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6025 && caller.getClassName().equals(ainfo.name)) { 6026 results.remove(i); 6027 break; 6028 } 6029 } 6030 } 6031 6032 // If the caller didn't request filter information, 6033 // drop them now so we don't have to 6034 // marshall/unmarshall it. 6035 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6036 N = results.size(); 6037 for (int i=0; i<N; i++) { 6038 results.get(i).filter = null; 6039 } 6040 } 6041 6042 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6043 return results; 6044 } 6045 6046 @Override 6047 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6048 String resolvedType, int flags, int userId) { 6049 return new ParceledListSlice<>( 6050 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6051 } 6052 6053 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6054 String resolvedType, int flags, int userId) { 6055 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6056 flags = updateFlagsForResolve(flags, userId, intent); 6057 ComponentName comp = intent.getComponent(); 6058 if (comp == null) { 6059 if (intent.getSelector() != null) { 6060 intent = intent.getSelector(); 6061 comp = intent.getComponent(); 6062 } 6063 } 6064 if (comp != null) { 6065 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6066 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6067 if (ai != null) { 6068 ResolveInfo ri = new ResolveInfo(); 6069 ri.activityInfo = ai; 6070 list.add(ri); 6071 } 6072 return list; 6073 } 6074 6075 // reader 6076 synchronized (mPackages) { 6077 String pkgName = intent.getPackage(); 6078 if (pkgName == null) { 6079 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6080 } 6081 final PackageParser.Package pkg = mPackages.get(pkgName); 6082 if (pkg != null) { 6083 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6084 userId); 6085 } 6086 return Collections.emptyList(); 6087 } 6088 } 6089 6090 @Override 6091 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6092 if (!sUserManager.exists(userId)) return null; 6093 flags = updateFlagsForResolve(flags, userId, intent); 6094 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6095 if (query != null) { 6096 if (query.size() >= 1) { 6097 // If there is more than one service with the same priority, 6098 // just arbitrarily pick the first one. 6099 return query.get(0); 6100 } 6101 } 6102 return null; 6103 } 6104 6105 @Override 6106 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6107 String resolvedType, int flags, int userId) { 6108 return new ParceledListSlice<>( 6109 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6110 } 6111 6112 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6113 String resolvedType, int flags, int userId) { 6114 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6115 flags = updateFlagsForResolve(flags, userId, intent); 6116 ComponentName comp = intent.getComponent(); 6117 if (comp == null) { 6118 if (intent.getSelector() != null) { 6119 intent = intent.getSelector(); 6120 comp = intent.getComponent(); 6121 } 6122 } 6123 if (comp != null) { 6124 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6125 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6126 if (si != null) { 6127 final ResolveInfo ri = new ResolveInfo(); 6128 ri.serviceInfo = si; 6129 list.add(ri); 6130 } 6131 return list; 6132 } 6133 6134 // reader 6135 synchronized (mPackages) { 6136 String pkgName = intent.getPackage(); 6137 if (pkgName == null) { 6138 return mServices.queryIntent(intent, resolvedType, flags, userId); 6139 } 6140 final PackageParser.Package pkg = mPackages.get(pkgName); 6141 if (pkg != null) { 6142 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6143 userId); 6144 } 6145 return Collections.emptyList(); 6146 } 6147 } 6148 6149 @Override 6150 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6151 String resolvedType, int flags, int userId) { 6152 return new ParceledListSlice<>( 6153 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6154 } 6155 6156 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6157 Intent intent, String resolvedType, int flags, int userId) { 6158 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6159 flags = updateFlagsForResolve(flags, userId, intent); 6160 ComponentName comp = intent.getComponent(); 6161 if (comp == null) { 6162 if (intent.getSelector() != null) { 6163 intent = intent.getSelector(); 6164 comp = intent.getComponent(); 6165 } 6166 } 6167 if (comp != null) { 6168 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6169 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6170 if (pi != null) { 6171 final ResolveInfo ri = new ResolveInfo(); 6172 ri.providerInfo = pi; 6173 list.add(ri); 6174 } 6175 return list; 6176 } 6177 6178 // reader 6179 synchronized (mPackages) { 6180 String pkgName = intent.getPackage(); 6181 if (pkgName == null) { 6182 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6183 } 6184 final PackageParser.Package pkg = mPackages.get(pkgName); 6185 if (pkg != null) { 6186 return mProviders.queryIntentForPackage( 6187 intent, resolvedType, flags, pkg.providers, userId); 6188 } 6189 return Collections.emptyList(); 6190 } 6191 } 6192 6193 @Override 6194 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6195 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6196 flags = updateFlagsForPackage(flags, userId, null); 6197 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6198 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6199 true /* requireFullPermission */, false /* checkShell */, 6200 "get installed packages"); 6201 6202 // writer 6203 synchronized (mPackages) { 6204 ArrayList<PackageInfo> list; 6205 if (listUninstalled) { 6206 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6207 for (PackageSetting ps : mSettings.mPackages.values()) { 6208 final PackageInfo pi; 6209 if (ps.pkg != null) { 6210 pi = generatePackageInfo(ps, flags, userId); 6211 } else { 6212 pi = generatePackageInfo(ps, flags, userId); 6213 } 6214 if (pi != null) { 6215 list.add(pi); 6216 } 6217 } 6218 } else { 6219 list = new ArrayList<PackageInfo>(mPackages.size()); 6220 for (PackageParser.Package p : mPackages.values()) { 6221 final PackageInfo pi = 6222 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6223 if (pi != null) { 6224 list.add(pi); 6225 } 6226 } 6227 } 6228 6229 return new ParceledListSlice<PackageInfo>(list); 6230 } 6231 } 6232 6233 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6234 String[] permissions, boolean[] tmp, int flags, int userId) { 6235 int numMatch = 0; 6236 final PermissionsState permissionsState = ps.getPermissionsState(); 6237 for (int i=0; i<permissions.length; i++) { 6238 final String permission = permissions[i]; 6239 if (permissionsState.hasPermission(permission, userId)) { 6240 tmp[i] = true; 6241 numMatch++; 6242 } else { 6243 tmp[i] = false; 6244 } 6245 } 6246 if (numMatch == 0) { 6247 return; 6248 } 6249 final PackageInfo pi; 6250 if (ps.pkg != null) { 6251 pi = generatePackageInfo(ps, flags, userId); 6252 } else { 6253 pi = generatePackageInfo(ps, flags, userId); 6254 } 6255 // The above might return null in cases of uninstalled apps or install-state 6256 // skew across users/profiles. 6257 if (pi != null) { 6258 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6259 if (numMatch == permissions.length) { 6260 pi.requestedPermissions = permissions; 6261 } else { 6262 pi.requestedPermissions = new String[numMatch]; 6263 numMatch = 0; 6264 for (int i=0; i<permissions.length; i++) { 6265 if (tmp[i]) { 6266 pi.requestedPermissions[numMatch] = permissions[i]; 6267 numMatch++; 6268 } 6269 } 6270 } 6271 } 6272 list.add(pi); 6273 } 6274 } 6275 6276 @Override 6277 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6278 String[] permissions, int flags, int userId) { 6279 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6280 flags = updateFlagsForPackage(flags, userId, permissions); 6281 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6282 6283 // writer 6284 synchronized (mPackages) { 6285 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6286 boolean[] tmpBools = new boolean[permissions.length]; 6287 if (listUninstalled) { 6288 for (PackageSetting ps : mSettings.mPackages.values()) { 6289 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6290 } 6291 } else { 6292 for (PackageParser.Package pkg : mPackages.values()) { 6293 PackageSetting ps = (PackageSetting)pkg.mExtras; 6294 if (ps != null) { 6295 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6296 userId); 6297 } 6298 } 6299 } 6300 6301 return new ParceledListSlice<PackageInfo>(list); 6302 } 6303 } 6304 6305 @Override 6306 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6307 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6308 flags = updateFlagsForApplication(flags, userId, null); 6309 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6310 6311 // writer 6312 synchronized (mPackages) { 6313 ArrayList<ApplicationInfo> list; 6314 if (listUninstalled) { 6315 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6316 for (PackageSetting ps : mSettings.mPackages.values()) { 6317 ApplicationInfo ai; 6318 if (ps.pkg != null) { 6319 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6320 ps.readUserState(userId), userId); 6321 } else { 6322 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6323 } 6324 if (ai != null) { 6325 list.add(ai); 6326 } 6327 } 6328 } else { 6329 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6330 for (PackageParser.Package p : mPackages.values()) { 6331 if (p.mExtras != null) { 6332 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6333 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6334 if (ai != null) { 6335 list.add(ai); 6336 } 6337 } 6338 } 6339 } 6340 6341 return new ParceledListSlice<ApplicationInfo>(list); 6342 } 6343 } 6344 6345 @Override 6346 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6347 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6348 return null; 6349 } 6350 6351 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6352 "getEphemeralApplications"); 6353 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6354 true /* requireFullPermission */, false /* checkShell */, 6355 "getEphemeralApplications"); 6356 synchronized (mPackages) { 6357 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6358 .getEphemeralApplicationsLPw(userId); 6359 if (ephemeralApps != null) { 6360 return new ParceledListSlice<>(ephemeralApps); 6361 } 6362 } 6363 return null; 6364 } 6365 6366 @Override 6367 public boolean isEphemeralApplication(String packageName, int userId) { 6368 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6369 true /* requireFullPermission */, false /* checkShell */, 6370 "isEphemeral"); 6371 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6372 return false; 6373 } 6374 6375 if (!isCallerSameApp(packageName)) { 6376 return false; 6377 } 6378 synchronized (mPackages) { 6379 PackageParser.Package pkg = mPackages.get(packageName); 6380 if (pkg != null) { 6381 return pkg.applicationInfo.isEphemeralApp(); 6382 } 6383 } 6384 return false; 6385 } 6386 6387 @Override 6388 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6389 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6390 return null; 6391 } 6392 6393 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6394 true /* requireFullPermission */, false /* checkShell */, 6395 "getCookie"); 6396 if (!isCallerSameApp(packageName)) { 6397 return null; 6398 } 6399 synchronized (mPackages) { 6400 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6401 packageName, userId); 6402 } 6403 } 6404 6405 @Override 6406 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6407 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6408 return true; 6409 } 6410 6411 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6412 true /* requireFullPermission */, true /* checkShell */, 6413 "setCookie"); 6414 if (!isCallerSameApp(packageName)) { 6415 return false; 6416 } 6417 synchronized (mPackages) { 6418 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6419 packageName, cookie, userId); 6420 } 6421 } 6422 6423 @Override 6424 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6425 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6426 return null; 6427 } 6428 6429 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6430 "getEphemeralApplicationIcon"); 6431 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6432 true /* requireFullPermission */, false /* checkShell */, 6433 "getEphemeralApplicationIcon"); 6434 synchronized (mPackages) { 6435 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6436 packageName, userId); 6437 } 6438 } 6439 6440 private boolean isCallerSameApp(String packageName) { 6441 PackageParser.Package pkg = mPackages.get(packageName); 6442 return pkg != null 6443 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6444 } 6445 6446 @Override 6447 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6448 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6449 } 6450 6451 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6452 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6453 6454 // reader 6455 synchronized (mPackages) { 6456 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6457 final int userId = UserHandle.getCallingUserId(); 6458 while (i.hasNext()) { 6459 final PackageParser.Package p = i.next(); 6460 if (p.applicationInfo == null) continue; 6461 6462 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6463 && !p.applicationInfo.isDirectBootAware(); 6464 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6465 && p.applicationInfo.isDirectBootAware(); 6466 6467 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6468 && (!mSafeMode || isSystemApp(p)) 6469 && (matchesUnaware || matchesAware)) { 6470 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6471 if (ps != null) { 6472 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6473 ps.readUserState(userId), userId); 6474 if (ai != null) { 6475 finalList.add(ai); 6476 } 6477 } 6478 } 6479 } 6480 } 6481 6482 return finalList; 6483 } 6484 6485 @Override 6486 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6487 if (!sUserManager.exists(userId)) return null; 6488 flags = updateFlagsForComponent(flags, userId, name); 6489 // reader 6490 synchronized (mPackages) { 6491 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6492 PackageSetting ps = provider != null 6493 ? mSettings.mPackages.get(provider.owner.packageName) 6494 : null; 6495 return ps != null 6496 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6497 ? PackageParser.generateProviderInfo(provider, flags, 6498 ps.readUserState(userId), userId) 6499 : null; 6500 } 6501 } 6502 6503 /** 6504 * @deprecated 6505 */ 6506 @Deprecated 6507 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6508 // reader 6509 synchronized (mPackages) { 6510 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6511 .entrySet().iterator(); 6512 final int userId = UserHandle.getCallingUserId(); 6513 while (i.hasNext()) { 6514 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6515 PackageParser.Provider p = entry.getValue(); 6516 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6517 6518 if (ps != null && p.syncable 6519 && (!mSafeMode || (p.info.applicationInfo.flags 6520 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6521 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6522 ps.readUserState(userId), userId); 6523 if (info != null) { 6524 outNames.add(entry.getKey()); 6525 outInfo.add(info); 6526 } 6527 } 6528 } 6529 } 6530 } 6531 6532 @Override 6533 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6534 int uid, int flags) { 6535 final int userId = processName != null ? UserHandle.getUserId(uid) 6536 : UserHandle.getCallingUserId(); 6537 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6538 flags = updateFlagsForComponent(flags, userId, processName); 6539 6540 ArrayList<ProviderInfo> finalList = null; 6541 // reader 6542 synchronized (mPackages) { 6543 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6544 while (i.hasNext()) { 6545 final PackageParser.Provider p = i.next(); 6546 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6547 if (ps != null && p.info.authority != null 6548 && (processName == null 6549 || (p.info.processName.equals(processName) 6550 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6551 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6552 if (finalList == null) { 6553 finalList = new ArrayList<ProviderInfo>(3); 6554 } 6555 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6556 ps.readUserState(userId), userId); 6557 if (info != null) { 6558 finalList.add(info); 6559 } 6560 } 6561 } 6562 } 6563 6564 if (finalList != null) { 6565 Collections.sort(finalList, mProviderInitOrderSorter); 6566 return new ParceledListSlice<ProviderInfo>(finalList); 6567 } 6568 6569 return ParceledListSlice.emptyList(); 6570 } 6571 6572 @Override 6573 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6574 // reader 6575 synchronized (mPackages) { 6576 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6577 return PackageParser.generateInstrumentationInfo(i, flags); 6578 } 6579 } 6580 6581 @Override 6582 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6583 String targetPackage, int flags) { 6584 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6585 } 6586 6587 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6588 int flags) { 6589 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6590 6591 // reader 6592 synchronized (mPackages) { 6593 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6594 while (i.hasNext()) { 6595 final PackageParser.Instrumentation p = i.next(); 6596 if (targetPackage == null 6597 || targetPackage.equals(p.info.targetPackage)) { 6598 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6599 flags); 6600 if (ii != null) { 6601 finalList.add(ii); 6602 } 6603 } 6604 } 6605 } 6606 6607 return finalList; 6608 } 6609 6610 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6611 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6612 if (overlays == null) { 6613 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6614 return; 6615 } 6616 for (PackageParser.Package opkg : overlays.values()) { 6617 // Not much to do if idmap fails: we already logged the error 6618 // and we certainly don't want to abort installation of pkg simply 6619 // because an overlay didn't fit properly. For these reasons, 6620 // ignore the return value of createIdmapForPackagePairLI. 6621 createIdmapForPackagePairLI(pkg, opkg); 6622 } 6623 } 6624 6625 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6626 PackageParser.Package opkg) { 6627 if (!opkg.mTrustedOverlay) { 6628 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6629 opkg.baseCodePath + ": overlay not trusted"); 6630 return false; 6631 } 6632 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6633 if (overlaySet == null) { 6634 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6635 opkg.baseCodePath + " but target package has no known overlays"); 6636 return false; 6637 } 6638 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6639 // TODO: generate idmap for split APKs 6640 try { 6641 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6642 } catch (InstallerException e) { 6643 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6644 + opkg.baseCodePath); 6645 return false; 6646 } 6647 PackageParser.Package[] overlayArray = 6648 overlaySet.values().toArray(new PackageParser.Package[0]); 6649 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6650 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6651 return p1.mOverlayPriority - p2.mOverlayPriority; 6652 } 6653 }; 6654 Arrays.sort(overlayArray, cmp); 6655 6656 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6657 int i = 0; 6658 for (PackageParser.Package p : overlayArray) { 6659 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6660 } 6661 return true; 6662 } 6663 6664 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6665 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 6666 try { 6667 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6668 } finally { 6669 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6670 } 6671 } 6672 6673 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6674 final File[] files = dir.listFiles(); 6675 if (ArrayUtils.isEmpty(files)) { 6676 Log.d(TAG, "No files in app dir " + dir); 6677 return; 6678 } 6679 6680 if (DEBUG_PACKAGE_SCANNING) { 6681 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6682 + " flags=0x" + Integer.toHexString(parseFlags)); 6683 } 6684 6685 for (File file : files) { 6686 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6687 && !PackageInstallerService.isStageName(file.getName()); 6688 if (!isPackage) { 6689 // Ignore entries which are not packages 6690 continue; 6691 } 6692 try { 6693 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6694 scanFlags, currentTime, null); 6695 } catch (PackageManagerException e) { 6696 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6697 6698 // Delete invalid userdata apps 6699 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6700 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6701 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6702 removeCodePathLI(file); 6703 } 6704 } 6705 } 6706 } 6707 6708 private static File getSettingsProblemFile() { 6709 File dataDir = Environment.getDataDirectory(); 6710 File systemDir = new File(dataDir, "system"); 6711 File fname = new File(systemDir, "uiderrors.txt"); 6712 return fname; 6713 } 6714 6715 static void reportSettingsProblem(int priority, String msg) { 6716 logCriticalInfo(priority, msg); 6717 } 6718 6719 static void logCriticalInfo(int priority, String msg) { 6720 Slog.println(priority, TAG, msg); 6721 EventLogTags.writePmCriticalInfo(msg); 6722 try { 6723 File fname = getSettingsProblemFile(); 6724 FileOutputStream out = new FileOutputStream(fname, true); 6725 PrintWriter pw = new FastPrintWriter(out); 6726 SimpleDateFormat formatter = new SimpleDateFormat(); 6727 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6728 pw.println(dateString + ": " + msg); 6729 pw.close(); 6730 FileUtils.setPermissions( 6731 fname.toString(), 6732 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6733 -1, -1); 6734 } catch (java.io.IOException e) { 6735 } 6736 } 6737 6738 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6739 if (srcFile.isDirectory()) { 6740 final File baseFile = new File(pkg.baseCodePath); 6741 long maxModifiedTime = baseFile.lastModified(); 6742 if (pkg.splitCodePaths != null) { 6743 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6744 final File splitFile = new File(pkg.splitCodePaths[i]); 6745 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6746 } 6747 } 6748 return maxModifiedTime; 6749 } 6750 return srcFile.lastModified(); 6751 } 6752 6753 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6754 final int policyFlags) throws PackageManagerException { 6755 // When upgrading from pre-N MR1, verify the package time stamp using the package 6756 // directory and not the APK file. 6757 final long lastModifiedTime = mIsPreNMR1Upgrade 6758 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 6759 if (ps != null 6760 && ps.codePath.equals(srcFile) 6761 && ps.timeStamp == lastModifiedTime 6762 && !isCompatSignatureUpdateNeeded(pkg) 6763 && !isRecoverSignatureUpdateNeeded(pkg)) { 6764 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6765 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6766 ArraySet<PublicKey> signingKs; 6767 synchronized (mPackages) { 6768 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6769 } 6770 if (ps.signatures.mSignatures != null 6771 && ps.signatures.mSignatures.length != 0 6772 && signingKs != null) { 6773 // Optimization: reuse the existing cached certificates 6774 // if the package appears to be unchanged. 6775 pkg.mSignatures = ps.signatures.mSignatures; 6776 pkg.mSigningKeys = signingKs; 6777 return; 6778 } 6779 6780 Slog.w(TAG, "PackageSetting for " + ps.name 6781 + " is missing signatures. Collecting certs again to recover them."); 6782 } else { 6783 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 6784 } 6785 6786 try { 6787 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 6788 PackageParser.collectCertificates(pkg, policyFlags); 6789 } catch (PackageParserException e) { 6790 throw PackageManagerException.from(e); 6791 } finally { 6792 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6793 } 6794 } 6795 6796 /** 6797 * Traces a package scan. 6798 * @see #scanPackageLI(File, int, int, long, UserHandle) 6799 */ 6800 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6801 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6802 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 6803 try { 6804 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6805 } finally { 6806 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6807 } 6808 } 6809 6810 /** 6811 * Scans a package and returns the newly parsed package. 6812 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6813 */ 6814 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6815 long currentTime, UserHandle user) throws PackageManagerException { 6816 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6817 PackageParser pp = new PackageParser(); 6818 pp.setSeparateProcesses(mSeparateProcesses); 6819 pp.setOnlyCoreApps(mOnlyCore); 6820 pp.setDisplayMetrics(mMetrics); 6821 6822 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6823 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6824 } 6825 6826 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6827 final PackageParser.Package pkg; 6828 try { 6829 pkg = pp.parsePackage(scanFile, parseFlags); 6830 } catch (PackageParserException e) { 6831 throw PackageManagerException.from(e); 6832 } finally { 6833 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6834 } 6835 6836 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6837 } 6838 6839 /** 6840 * Scans a package and returns the newly parsed package. 6841 * @throws PackageManagerException on a parse error. 6842 */ 6843 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6844 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6845 throws PackageManagerException { 6846 // If the package has children and this is the first dive in the function 6847 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6848 // packages (parent and children) would be successfully scanned before the 6849 // actual scan since scanning mutates internal state and we want to atomically 6850 // install the package and its children. 6851 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6852 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6853 scanFlags |= SCAN_CHECK_ONLY; 6854 } 6855 } else { 6856 scanFlags &= ~SCAN_CHECK_ONLY; 6857 } 6858 6859 // Scan the parent 6860 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6861 scanFlags, currentTime, user); 6862 6863 // Scan the children 6864 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6865 for (int i = 0; i < childCount; i++) { 6866 PackageParser.Package childPackage = pkg.childPackages.get(i); 6867 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6868 currentTime, user); 6869 } 6870 6871 6872 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6873 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6874 } 6875 6876 return scannedPkg; 6877 } 6878 6879 /** 6880 * Scans a package and returns the newly parsed package. 6881 * @throws PackageManagerException on a parse error. 6882 */ 6883 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6884 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6885 throws PackageManagerException { 6886 PackageSetting ps = null; 6887 PackageSetting updatedPkg; 6888 // reader 6889 synchronized (mPackages) { 6890 // Look to see if we already know about this package. 6891 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 6892 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6893 // This package has been renamed to its original name. Let's 6894 // use that. 6895 ps = mSettings.getPackageLPr(oldName); 6896 } 6897 // If there was no original package, see one for the real package name. 6898 if (ps == null) { 6899 ps = mSettings.getPackageLPr(pkg.packageName); 6900 } 6901 // Check to see if this package could be hiding/updating a system 6902 // package. Must look for it either under the original or real 6903 // package name depending on our state. 6904 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6905 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6906 6907 // If this is a package we don't know about on the system partition, we 6908 // may need to remove disabled child packages on the system partition 6909 // or may need to not add child packages if the parent apk is updated 6910 // on the data partition and no longer defines this child package. 6911 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6912 // If this is a parent package for an updated system app and this system 6913 // app got an OTA update which no longer defines some of the child packages 6914 // we have to prune them from the disabled system packages. 6915 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6916 if (disabledPs != null) { 6917 final int scannedChildCount = (pkg.childPackages != null) 6918 ? pkg.childPackages.size() : 0; 6919 final int disabledChildCount = disabledPs.childPackageNames != null 6920 ? disabledPs.childPackageNames.size() : 0; 6921 for (int i = 0; i < disabledChildCount; i++) { 6922 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6923 boolean disabledPackageAvailable = false; 6924 for (int j = 0; j < scannedChildCount; j++) { 6925 PackageParser.Package childPkg = pkg.childPackages.get(j); 6926 if (childPkg.packageName.equals(disabledChildPackageName)) { 6927 disabledPackageAvailable = true; 6928 break; 6929 } 6930 } 6931 if (!disabledPackageAvailable) { 6932 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6933 } 6934 } 6935 } 6936 } 6937 } 6938 6939 boolean updatedPkgBetter = false; 6940 // First check if this is a system package that may involve an update 6941 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6942 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6943 // it needs to drop FLAG_PRIVILEGED. 6944 if (locationIsPrivileged(scanFile)) { 6945 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6946 } else { 6947 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6948 } 6949 6950 if (ps != null && !ps.codePath.equals(scanFile)) { 6951 // The path has changed from what was last scanned... check the 6952 // version of the new path against what we have stored to determine 6953 // what to do. 6954 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6955 if (pkg.mVersionCode <= ps.versionCode) { 6956 // The system package has been updated and the code path does not match 6957 // Ignore entry. Skip it. 6958 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6959 + " ignored: updated version " + ps.versionCode 6960 + " better than this " + pkg.mVersionCode); 6961 if (!updatedPkg.codePath.equals(scanFile)) { 6962 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6963 + ps.name + " changing from " + updatedPkg.codePathString 6964 + " to " + scanFile); 6965 updatedPkg.codePath = scanFile; 6966 updatedPkg.codePathString = scanFile.toString(); 6967 updatedPkg.resourcePath = scanFile; 6968 updatedPkg.resourcePathString = scanFile.toString(); 6969 } 6970 updatedPkg.pkg = pkg; 6971 updatedPkg.versionCode = pkg.mVersionCode; 6972 6973 // Update the disabled system child packages to point to the package too. 6974 final int childCount = updatedPkg.childPackageNames != null 6975 ? updatedPkg.childPackageNames.size() : 0; 6976 for (int i = 0; i < childCount; i++) { 6977 String childPackageName = updatedPkg.childPackageNames.get(i); 6978 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6979 childPackageName); 6980 if (updatedChildPkg != null) { 6981 updatedChildPkg.pkg = pkg; 6982 updatedChildPkg.versionCode = pkg.mVersionCode; 6983 } 6984 } 6985 6986 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6987 + scanFile + " ignored: updated version " + ps.versionCode 6988 + " better than this " + pkg.mVersionCode); 6989 } else { 6990 // The current app on the system partition is better than 6991 // what we have updated to on the data partition; switch 6992 // back to the system partition version. 6993 // At this point, its safely assumed that package installation for 6994 // apps in system partition will go through. If not there won't be a working 6995 // version of the app 6996 // writer 6997 synchronized (mPackages) { 6998 // Just remove the loaded entries from package lists. 6999 mPackages.remove(ps.name); 7000 } 7001 7002 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7003 + " reverting from " + ps.codePathString 7004 + ": new version " + pkg.mVersionCode 7005 + " better than installed " + ps.versionCode); 7006 7007 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7008 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7009 synchronized (mInstallLock) { 7010 args.cleanUpResourcesLI(); 7011 } 7012 synchronized (mPackages) { 7013 mSettings.enableSystemPackageLPw(ps.name); 7014 } 7015 updatedPkgBetter = true; 7016 } 7017 } 7018 } 7019 7020 if (updatedPkg != null) { 7021 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7022 // initially 7023 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7024 7025 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7026 // flag set initially 7027 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7028 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7029 } 7030 } 7031 7032 // Verify certificates against what was last scanned 7033 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7034 7035 /* 7036 * A new system app appeared, but we already had a non-system one of the 7037 * same name installed earlier. 7038 */ 7039 boolean shouldHideSystemApp = false; 7040 if (updatedPkg == null && ps != null 7041 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7042 /* 7043 * Check to make sure the signatures match first. If they don't, 7044 * wipe the installed application and its data. 7045 */ 7046 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7047 != PackageManager.SIGNATURE_MATCH) { 7048 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7049 + " signatures don't match existing userdata copy; removing"); 7050 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7051 "scanPackageInternalLI")) { 7052 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7053 } 7054 ps = null; 7055 } else { 7056 /* 7057 * If the newly-added system app is an older version than the 7058 * already installed version, hide it. It will be scanned later 7059 * and re-added like an update. 7060 */ 7061 if (pkg.mVersionCode <= ps.versionCode) { 7062 shouldHideSystemApp = true; 7063 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7064 + " but new version " + pkg.mVersionCode + " better than installed " 7065 + ps.versionCode + "; hiding system"); 7066 } else { 7067 /* 7068 * The newly found system app is a newer version that the 7069 * one previously installed. Simply remove the 7070 * already-installed application and replace it with our own 7071 * while keeping the application data. 7072 */ 7073 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7074 + " reverting from " + ps.codePathString + ": new version " 7075 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7076 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7077 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7078 synchronized (mInstallLock) { 7079 args.cleanUpResourcesLI(); 7080 } 7081 } 7082 } 7083 } 7084 7085 // The apk is forward locked (not public) if its code and resources 7086 // are kept in different files. (except for app in either system or 7087 // vendor path). 7088 // TODO grab this value from PackageSettings 7089 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7090 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7091 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7092 } 7093 } 7094 7095 // TODO: extend to support forward-locked splits 7096 String resourcePath = null; 7097 String baseResourcePath = null; 7098 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7099 if (ps != null && ps.resourcePathString != null) { 7100 resourcePath = ps.resourcePathString; 7101 baseResourcePath = ps.resourcePathString; 7102 } else { 7103 // Should not happen at all. Just log an error. 7104 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7105 } 7106 } else { 7107 resourcePath = pkg.codePath; 7108 baseResourcePath = pkg.baseCodePath; 7109 } 7110 7111 // Set application objects path explicitly. 7112 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7113 pkg.setApplicationInfoCodePath(pkg.codePath); 7114 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7115 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7116 pkg.setApplicationInfoResourcePath(resourcePath); 7117 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7118 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7119 7120 // Note that we invoke the following method only if we are about to unpack an application 7121 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7122 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7123 7124 /* 7125 * If the system app should be overridden by a previously installed 7126 * data, hide the system app now and let the /data/app scan pick it up 7127 * again. 7128 */ 7129 if (shouldHideSystemApp) { 7130 synchronized (mPackages) { 7131 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7132 } 7133 } 7134 7135 return scannedPkg; 7136 } 7137 7138 private static String fixProcessName(String defProcessName, 7139 String processName) { 7140 if (processName == null) { 7141 return defProcessName; 7142 } 7143 return processName; 7144 } 7145 7146 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7147 throws PackageManagerException { 7148 if (pkgSetting.signatures.mSignatures != null) { 7149 // Already existing package. Make sure signatures match 7150 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7151 == PackageManager.SIGNATURE_MATCH; 7152 if (!match) { 7153 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7154 == PackageManager.SIGNATURE_MATCH; 7155 } 7156 if (!match) { 7157 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7158 == PackageManager.SIGNATURE_MATCH; 7159 } 7160 if (!match) { 7161 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7162 + pkg.packageName + " signatures do not match the " 7163 + "previously installed version; ignoring!"); 7164 } 7165 } 7166 7167 // Check for shared user signatures 7168 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7169 // Already existing package. Make sure signatures match 7170 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7171 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7172 if (!match) { 7173 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7174 == PackageManager.SIGNATURE_MATCH; 7175 } 7176 if (!match) { 7177 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7178 == PackageManager.SIGNATURE_MATCH; 7179 } 7180 if (!match) { 7181 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7182 "Package " + pkg.packageName 7183 + " has no signatures that match those in shared user " 7184 + pkgSetting.sharedUser.name + "; ignoring!"); 7185 } 7186 } 7187 } 7188 7189 /** 7190 * Enforces that only the system UID or root's UID can call a method exposed 7191 * via Binder. 7192 * 7193 * @param message used as message if SecurityException is thrown 7194 * @throws SecurityException if the caller is not system or root 7195 */ 7196 private static final void enforceSystemOrRoot(String message) { 7197 final int uid = Binder.getCallingUid(); 7198 if (uid != Process.SYSTEM_UID && uid != 0) { 7199 throw new SecurityException(message); 7200 } 7201 } 7202 7203 @Override 7204 public void performFstrimIfNeeded() { 7205 enforceSystemOrRoot("Only the system can request fstrim"); 7206 7207 // Before everything else, see whether we need to fstrim. 7208 try { 7209 IStorageManager sm = PackageHelper.getStorageManager(); 7210 if (sm != null) { 7211 boolean doTrim = false; 7212 final long interval = android.provider.Settings.Global.getLong( 7213 mContext.getContentResolver(), 7214 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7215 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7216 if (interval > 0) { 7217 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 7218 if (timeSinceLast > interval) { 7219 doTrim = true; 7220 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7221 + "; running immediately"); 7222 } 7223 } 7224 if (doTrim) { 7225 final boolean dexOptDialogShown; 7226 synchronized (mPackages) { 7227 dexOptDialogShown = mDexOptDialogShown; 7228 } 7229 if (!isFirstBoot() && dexOptDialogShown) { 7230 try { 7231 ActivityManager.getService().showBootMessage( 7232 mContext.getResources().getString( 7233 R.string.android_upgrading_fstrim), true); 7234 } catch (RemoteException e) { 7235 } 7236 } 7237 sm.runMaintenance(); 7238 } 7239 } else { 7240 Slog.e(TAG, "storageManager service unavailable!"); 7241 } 7242 } catch (RemoteException e) { 7243 // Can't happen; StorageManagerService is local 7244 } 7245 } 7246 7247 @Override 7248 public void updatePackagesIfNeeded() { 7249 enforceSystemOrRoot("Only the system can request package update"); 7250 7251 // We need to re-extract after an OTA. 7252 boolean causeUpgrade = isUpgrade(); 7253 7254 // First boot or factory reset. 7255 // Note: we also handle devices that are upgrading to N right now as if it is their 7256 // first boot, as they do not have profile data. 7257 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7258 7259 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7260 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7261 7262 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7263 return; 7264 } 7265 7266 List<PackageParser.Package> pkgs; 7267 synchronized (mPackages) { 7268 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7269 } 7270 7271 final long startTime = System.nanoTime(); 7272 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7273 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7274 7275 final int elapsedTimeSeconds = 7276 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7277 7278 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7279 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7280 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7281 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7282 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7283 } 7284 7285 /** 7286 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7287 * containing statistics about the invocation. The array consists of three elements, 7288 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7289 * and {@code numberOfPackagesFailed}. 7290 */ 7291 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7292 String compilerFilter) { 7293 7294 int numberOfPackagesVisited = 0; 7295 int numberOfPackagesOptimized = 0; 7296 int numberOfPackagesSkipped = 0; 7297 int numberOfPackagesFailed = 0; 7298 final int numberOfPackagesToDexopt = pkgs.size(); 7299 7300 for (PackageParser.Package pkg : pkgs) { 7301 numberOfPackagesVisited++; 7302 7303 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7304 if (DEBUG_DEXOPT) { 7305 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7306 } 7307 numberOfPackagesSkipped++; 7308 continue; 7309 } 7310 7311 if (DEBUG_DEXOPT) { 7312 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7313 numberOfPackagesToDexopt + ": " + pkg.packageName); 7314 } 7315 7316 if (showDialog) { 7317 try { 7318 ActivityManager.getService().showBootMessage( 7319 mContext.getResources().getString(R.string.android_upgrading_apk, 7320 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7321 } catch (RemoteException e) { 7322 } 7323 synchronized (mPackages) { 7324 mDexOptDialogShown = true; 7325 } 7326 } 7327 7328 // If the OTA updates a system app which was previously preopted to a non-preopted state 7329 // the app might end up being verified at runtime. That's because by default the apps 7330 // are verify-profile but for preopted apps there's no profile. 7331 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7332 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7333 // filter (by default interpret-only). 7334 // Note that at this stage unused apps are already filtered. 7335 if (isSystemApp(pkg) && 7336 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7337 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7338 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7339 } 7340 7341 // If the OTA updates a system app which was previously preopted to a non-preopted state 7342 // the app might end up being verified at runtime. That's because by default the apps 7343 // are verify-profile but for preopted apps there's no profile. 7344 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7345 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7346 // filter (by default interpret-only). 7347 // Note that at this stage unused apps are already filtered. 7348 if (isSystemApp(pkg) && 7349 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7350 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7351 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7352 } 7353 7354 // checkProfiles is false to avoid merging profiles during boot which 7355 // might interfere with background compilation (b/28612421). 7356 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7357 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7358 // trade-off worth doing to save boot time work. 7359 int dexOptStatus = performDexOptTraced(pkg.packageName, 7360 false /* checkProfiles */, 7361 compilerFilter, 7362 false /* force */); 7363 switch (dexOptStatus) { 7364 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7365 numberOfPackagesOptimized++; 7366 break; 7367 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7368 numberOfPackagesSkipped++; 7369 break; 7370 case PackageDexOptimizer.DEX_OPT_FAILED: 7371 numberOfPackagesFailed++; 7372 break; 7373 default: 7374 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7375 break; 7376 } 7377 } 7378 7379 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7380 numberOfPackagesFailed }; 7381 } 7382 7383 @Override 7384 public void notifyPackageUse(String packageName, int reason) { 7385 synchronized (mPackages) { 7386 PackageParser.Package p = mPackages.get(packageName); 7387 if (p == null) { 7388 return; 7389 } 7390 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7391 } 7392 } 7393 7394 // TODO: this is not used nor needed. Delete it. 7395 @Override 7396 public boolean performDexOptIfNeeded(String packageName) { 7397 int dexOptStatus = performDexOptTraced(packageName, 7398 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7399 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7400 } 7401 7402 @Override 7403 public boolean performDexOpt(String packageName, 7404 boolean checkProfiles, int compileReason, boolean force) { 7405 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7406 getCompilerFilterForReason(compileReason), force); 7407 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7408 } 7409 7410 @Override 7411 public boolean performDexOptMode(String packageName, 7412 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7413 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7414 targetCompilerFilter, force); 7415 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7416 } 7417 7418 private int performDexOptTraced(String packageName, 7419 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7420 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7421 try { 7422 return performDexOptInternal(packageName, checkProfiles, 7423 targetCompilerFilter, force); 7424 } finally { 7425 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7426 } 7427 } 7428 7429 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7430 // if the package can now be considered up to date for the given filter. 7431 private int performDexOptInternal(String packageName, 7432 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7433 PackageParser.Package p; 7434 synchronized (mPackages) { 7435 p = mPackages.get(packageName); 7436 if (p == null) { 7437 // Package could not be found. Report failure. 7438 return PackageDexOptimizer.DEX_OPT_FAILED; 7439 } 7440 mPackageUsage.maybeWriteAsync(mPackages); 7441 mCompilerStats.maybeWriteAsync(); 7442 } 7443 long callingId = Binder.clearCallingIdentity(); 7444 try { 7445 synchronized (mInstallLock) { 7446 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7447 targetCompilerFilter, force); 7448 } 7449 } finally { 7450 Binder.restoreCallingIdentity(callingId); 7451 } 7452 } 7453 7454 public ArraySet<String> getOptimizablePackages() { 7455 ArraySet<String> pkgs = new ArraySet<String>(); 7456 synchronized (mPackages) { 7457 for (PackageParser.Package p : mPackages.values()) { 7458 if (PackageDexOptimizer.canOptimizePackage(p)) { 7459 pkgs.add(p.packageName); 7460 } 7461 } 7462 } 7463 return pkgs; 7464 } 7465 7466 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7467 boolean checkProfiles, String targetCompilerFilter, 7468 boolean force) { 7469 // Select the dex optimizer based on the force parameter. 7470 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7471 // allocate an object here. 7472 PackageDexOptimizer pdo = force 7473 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7474 : mPackageDexOptimizer; 7475 7476 // Optimize all dependencies first. Note: we ignore the return value and march on 7477 // on errors. 7478 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7479 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7480 if (!deps.isEmpty()) { 7481 for (PackageParser.Package depPackage : deps) { 7482 // TODO: Analyze and investigate if we (should) profile libraries. 7483 // Currently this will do a full compilation of the library by default. 7484 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7485 false /* checkProfiles */, 7486 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7487 getOrCreateCompilerPackageStats(depPackage)); 7488 } 7489 } 7490 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7491 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7492 } 7493 7494 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7495 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7496 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7497 Set<String> collectedNames = new HashSet<>(); 7498 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7499 7500 retValue.remove(p); 7501 7502 return retValue; 7503 } else { 7504 return Collections.emptyList(); 7505 } 7506 } 7507 7508 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7509 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7510 if (!collectedNames.contains(p.packageName)) { 7511 collectedNames.add(p.packageName); 7512 collected.add(p); 7513 7514 if (p.usesLibraries != null) { 7515 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7516 } 7517 if (p.usesOptionalLibraries != null) { 7518 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7519 collectedNames); 7520 } 7521 } 7522 } 7523 7524 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7525 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7526 for (String libName : libs) { 7527 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7528 if (libPkg != null) { 7529 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7530 } 7531 } 7532 } 7533 7534 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7535 synchronized (mPackages) { 7536 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7537 if (lib != null && lib.apk != null) { 7538 return mPackages.get(lib.apk); 7539 } 7540 } 7541 return null; 7542 } 7543 7544 public void shutdown() { 7545 mPackageUsage.writeNow(mPackages); 7546 mCompilerStats.writeNow(); 7547 } 7548 7549 @Override 7550 public void dumpProfiles(String packageName) { 7551 PackageParser.Package pkg; 7552 synchronized (mPackages) { 7553 pkg = mPackages.get(packageName); 7554 if (pkg == null) { 7555 throw new IllegalArgumentException("Unknown package: " + packageName); 7556 } 7557 } 7558 /* Only the shell, root, or the app user should be able to dump profiles. */ 7559 int callingUid = Binder.getCallingUid(); 7560 if (callingUid != Process.SHELL_UID && 7561 callingUid != Process.ROOT_UID && 7562 callingUid != pkg.applicationInfo.uid) { 7563 throw new SecurityException("dumpProfiles"); 7564 } 7565 7566 synchronized (mInstallLock) { 7567 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7568 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7569 try { 7570 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7571 String gid = Integer.toString(sharedGid); 7572 String codePaths = TextUtils.join(";", allCodePaths); 7573 mInstaller.dumpProfiles(gid, packageName, codePaths); 7574 } catch (InstallerException e) { 7575 Slog.w(TAG, "Failed to dump profiles", e); 7576 } 7577 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7578 } 7579 } 7580 7581 @Override 7582 public void forceDexOpt(String packageName) { 7583 enforceSystemOrRoot("forceDexOpt"); 7584 7585 PackageParser.Package pkg; 7586 synchronized (mPackages) { 7587 pkg = mPackages.get(packageName); 7588 if (pkg == null) { 7589 throw new IllegalArgumentException("Unknown package: " + packageName); 7590 } 7591 } 7592 7593 synchronized (mInstallLock) { 7594 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7595 7596 // Whoever is calling forceDexOpt wants a fully compiled package. 7597 // Don't use profiles since that may cause compilation to be skipped. 7598 final int res = performDexOptInternalWithDependenciesLI(pkg, 7599 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7600 true /* force */); 7601 7602 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7603 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7604 throw new IllegalStateException("Failed to dexopt: " + res); 7605 } 7606 } 7607 } 7608 7609 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7610 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7611 Slog.w(TAG, "Unable to update from " + oldPkg.name 7612 + " to " + newPkg.packageName 7613 + ": old package not in system partition"); 7614 return false; 7615 } else if (mPackages.get(oldPkg.name) != null) { 7616 Slog.w(TAG, "Unable to update from " + oldPkg.name 7617 + " to " + newPkg.packageName 7618 + ": old package still exists"); 7619 return false; 7620 } 7621 return true; 7622 } 7623 7624 void removeCodePathLI(File codePath) { 7625 if (codePath.isDirectory()) { 7626 try { 7627 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7628 } catch (InstallerException e) { 7629 Slog.w(TAG, "Failed to remove code path", e); 7630 } 7631 } else { 7632 codePath.delete(); 7633 } 7634 } 7635 7636 private int[] resolveUserIds(int userId) { 7637 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7638 } 7639 7640 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7641 if (pkg == null) { 7642 Slog.wtf(TAG, "Package was null!", new Throwable()); 7643 return; 7644 } 7645 clearAppDataLeafLIF(pkg, userId, flags); 7646 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7647 for (int i = 0; i < childCount; i++) { 7648 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7649 } 7650 } 7651 7652 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7653 final PackageSetting ps; 7654 synchronized (mPackages) { 7655 ps = mSettings.mPackages.get(pkg.packageName); 7656 } 7657 for (int realUserId : resolveUserIds(userId)) { 7658 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7659 try { 7660 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7661 ceDataInode); 7662 } catch (InstallerException e) { 7663 Slog.w(TAG, String.valueOf(e)); 7664 } 7665 } 7666 } 7667 7668 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7669 if (pkg == null) { 7670 Slog.wtf(TAG, "Package was null!", new Throwable()); 7671 return; 7672 } 7673 destroyAppDataLeafLIF(pkg, userId, flags); 7674 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7675 for (int i = 0; i < childCount; i++) { 7676 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7677 } 7678 } 7679 7680 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7681 final PackageSetting ps; 7682 synchronized (mPackages) { 7683 ps = mSettings.mPackages.get(pkg.packageName); 7684 } 7685 for (int realUserId : resolveUserIds(userId)) { 7686 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7687 try { 7688 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7689 ceDataInode); 7690 } catch (InstallerException e) { 7691 Slog.w(TAG, String.valueOf(e)); 7692 } 7693 } 7694 } 7695 7696 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7697 if (pkg == null) { 7698 Slog.wtf(TAG, "Package was null!", new Throwable()); 7699 return; 7700 } 7701 destroyAppProfilesLeafLIF(pkg); 7702 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7703 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7704 for (int i = 0; i < childCount; i++) { 7705 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7706 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7707 true /* removeBaseMarker */); 7708 } 7709 } 7710 7711 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7712 boolean removeBaseMarker) { 7713 if (pkg.isForwardLocked()) { 7714 return; 7715 } 7716 7717 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7718 try { 7719 path = PackageManagerServiceUtils.realpath(new File(path)); 7720 } catch (IOException e) { 7721 // TODO: Should we return early here ? 7722 Slog.w(TAG, "Failed to get canonical path", e); 7723 continue; 7724 } 7725 7726 final String useMarker = path.replace('/', '@'); 7727 for (int realUserId : resolveUserIds(userId)) { 7728 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7729 if (removeBaseMarker) { 7730 File foreignUseMark = new File(profileDir, useMarker); 7731 if (foreignUseMark.exists()) { 7732 if (!foreignUseMark.delete()) { 7733 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7734 + pkg.packageName); 7735 } 7736 } 7737 } 7738 7739 File[] markers = profileDir.listFiles(); 7740 if (markers != null) { 7741 final String searchString = "@" + pkg.packageName + "@"; 7742 // We also delete all markers that contain the package name we're 7743 // uninstalling. These are associated with secondary dex-files belonging 7744 // to the package. Reconstructing the path of these dex files is messy 7745 // in general. 7746 for (File marker : markers) { 7747 if (marker.getName().indexOf(searchString) > 0) { 7748 if (!marker.delete()) { 7749 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7750 + pkg.packageName); 7751 } 7752 } 7753 } 7754 } 7755 } 7756 } 7757 } 7758 7759 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7760 try { 7761 mInstaller.destroyAppProfiles(pkg.packageName); 7762 } catch (InstallerException e) { 7763 Slog.w(TAG, String.valueOf(e)); 7764 } 7765 } 7766 7767 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7768 if (pkg == null) { 7769 Slog.wtf(TAG, "Package was null!", new Throwable()); 7770 return; 7771 } 7772 clearAppProfilesLeafLIF(pkg); 7773 // We don't remove the base foreign use marker when clearing profiles because 7774 // we will rename it when the app is updated. Unlike the actual profile contents, 7775 // the foreign use marker is good across installs. 7776 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7777 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7778 for (int i = 0; i < childCount; i++) { 7779 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7780 } 7781 } 7782 7783 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7784 try { 7785 mInstaller.clearAppProfiles(pkg.packageName); 7786 } catch (InstallerException e) { 7787 Slog.w(TAG, String.valueOf(e)); 7788 } 7789 } 7790 7791 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7792 long lastUpdateTime) { 7793 // Set parent install/update time 7794 PackageSetting ps = (PackageSetting) pkg.mExtras; 7795 if (ps != null) { 7796 ps.firstInstallTime = firstInstallTime; 7797 ps.lastUpdateTime = lastUpdateTime; 7798 } 7799 // Set children install/update time 7800 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7801 for (int i = 0; i < childCount; i++) { 7802 PackageParser.Package childPkg = pkg.childPackages.get(i); 7803 ps = (PackageSetting) childPkg.mExtras; 7804 if (ps != null) { 7805 ps.firstInstallTime = firstInstallTime; 7806 ps.lastUpdateTime = lastUpdateTime; 7807 } 7808 } 7809 } 7810 7811 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7812 PackageParser.Package changingLib) { 7813 if (file.path != null) { 7814 usesLibraryFiles.add(file.path); 7815 return; 7816 } 7817 PackageParser.Package p = mPackages.get(file.apk); 7818 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7819 // If we are doing this while in the middle of updating a library apk, 7820 // then we need to make sure to use that new apk for determining the 7821 // dependencies here. (We haven't yet finished committing the new apk 7822 // to the package manager state.) 7823 if (p == null || p.packageName.equals(changingLib.packageName)) { 7824 p = changingLib; 7825 } 7826 } 7827 if (p != null) { 7828 usesLibraryFiles.addAll(p.getAllCodePaths()); 7829 } 7830 } 7831 7832 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 7833 PackageParser.Package changingLib) throws PackageManagerException { 7834 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7835 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7836 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7837 for (int i=0; i<N; i++) { 7838 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7839 if (file == null) { 7840 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7841 "Package " + pkg.packageName + " requires unavailable shared library " 7842 + pkg.usesLibraries.get(i) + "; failing!"); 7843 } 7844 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 7845 } 7846 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7847 for (int i=0; i<N; i++) { 7848 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7849 if (file == null) { 7850 Slog.w(TAG, "Package " + pkg.packageName 7851 + " desires unavailable shared library " 7852 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7853 } else { 7854 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 7855 } 7856 } 7857 N = usesLibraryFiles.size(); 7858 if (N > 0) { 7859 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7860 } else { 7861 pkg.usesLibraryFiles = null; 7862 } 7863 } 7864 } 7865 7866 private static boolean hasString(List<String> list, List<String> which) { 7867 if (list == null) { 7868 return false; 7869 } 7870 for (int i=list.size()-1; i>=0; i--) { 7871 for (int j=which.size()-1; j>=0; j--) { 7872 if (which.get(j).equals(list.get(i))) { 7873 return true; 7874 } 7875 } 7876 } 7877 return false; 7878 } 7879 7880 private void updateAllSharedLibrariesLPw() { 7881 for (PackageParser.Package pkg : mPackages.values()) { 7882 try { 7883 updateSharedLibrariesLPr(pkg, null); 7884 } catch (PackageManagerException e) { 7885 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7886 } 7887 } 7888 } 7889 7890 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7891 PackageParser.Package changingPkg) { 7892 ArrayList<PackageParser.Package> res = null; 7893 for (PackageParser.Package pkg : mPackages.values()) { 7894 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7895 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7896 if (res == null) { 7897 res = new ArrayList<PackageParser.Package>(); 7898 } 7899 res.add(pkg); 7900 try { 7901 updateSharedLibrariesLPr(pkg, changingPkg); 7902 } catch (PackageManagerException e) { 7903 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7904 } 7905 } 7906 } 7907 return res; 7908 } 7909 7910 /** 7911 * Derive the value of the {@code cpuAbiOverride} based on the provided 7912 * value and an optional stored value from the package settings. 7913 */ 7914 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7915 String cpuAbiOverride = null; 7916 7917 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7918 cpuAbiOverride = null; 7919 } else if (abiOverride != null) { 7920 cpuAbiOverride = abiOverride; 7921 } else if (settings != null) { 7922 cpuAbiOverride = settings.cpuAbiOverrideString; 7923 } 7924 7925 return cpuAbiOverride; 7926 } 7927 7928 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7929 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7930 throws PackageManagerException { 7931 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7932 // If the package has children and this is the first dive in the function 7933 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7934 // whether all packages (parent and children) would be successfully scanned 7935 // before the actual scan since scanning mutates internal state and we want 7936 // to atomically install the package and its children. 7937 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7938 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7939 scanFlags |= SCAN_CHECK_ONLY; 7940 } 7941 } else { 7942 scanFlags &= ~SCAN_CHECK_ONLY; 7943 } 7944 7945 final PackageParser.Package scannedPkg; 7946 try { 7947 // Scan the parent 7948 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7949 // Scan the children 7950 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7951 for (int i = 0; i < childCount; i++) { 7952 PackageParser.Package childPkg = pkg.childPackages.get(i); 7953 scanPackageLI(childPkg, policyFlags, 7954 scanFlags, currentTime, user); 7955 } 7956 } finally { 7957 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7958 } 7959 7960 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7961 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7962 } 7963 7964 return scannedPkg; 7965 } 7966 7967 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7968 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7969 boolean success = false; 7970 try { 7971 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7972 currentTime, user); 7973 success = true; 7974 return res; 7975 } finally { 7976 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7977 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7978 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7979 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7980 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7981 } 7982 } 7983 } 7984 7985 /** 7986 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7987 */ 7988 private static boolean apkHasCode(String fileName) { 7989 StrictJarFile jarFile = null; 7990 try { 7991 jarFile = new StrictJarFile(fileName, 7992 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7993 return jarFile.findEntry("classes.dex") != null; 7994 } catch (IOException ignore) { 7995 } finally { 7996 try { 7997 if (jarFile != null) { 7998 jarFile.close(); 7999 } 8000 } catch (IOException ignore) {} 8001 } 8002 return false; 8003 } 8004 8005 /** 8006 * Enforces code policy for the package. This ensures that if an APK has 8007 * declared hasCode="true" in its manifest that the APK actually contains 8008 * code. 8009 * 8010 * @throws PackageManagerException If bytecode could not be found when it should exist 8011 */ 8012 private static void assertCodePolicy(PackageParser.Package pkg) 8013 throws PackageManagerException { 8014 final boolean shouldHaveCode = 8015 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8016 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8017 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8018 "Package " + pkg.baseCodePath + " code is missing"); 8019 } 8020 8021 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8022 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8023 final boolean splitShouldHaveCode = 8024 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8025 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8026 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8027 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8028 } 8029 } 8030 } 8031 } 8032 8033 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8034 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8035 throws PackageManagerException { 8036 if (DEBUG_PACKAGE_SCANNING) { 8037 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8038 Log.d(TAG, "Scanning package " + pkg.packageName); 8039 } 8040 8041 applyPolicy(pkg, policyFlags); 8042 8043 assertPackageIsValid(pkg, policyFlags, scanFlags); 8044 8045 // Initialize package source and resource directories 8046 final File scanFile = new File(pkg.codePath); 8047 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8048 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8049 8050 SharedUserSetting suid = null; 8051 PackageSetting pkgSetting = null; 8052 8053 // Getting the package setting may have a side-effect, so if we 8054 // are only checking if scan would succeed, stash a copy of the 8055 // old setting to restore at the end. 8056 PackageSetting nonMutatedPs = null; 8057 8058 // writer 8059 synchronized (mPackages) { 8060 if (pkg.mSharedUserId != null) { 8061 // SIDE EFFECTS; may potentially allocate a new shared user 8062 suid = mSettings.getSharedUserLPw( 8063 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 8064 if (DEBUG_PACKAGE_SCANNING) { 8065 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8066 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8067 + "): packages=" + suid.packages); 8068 } 8069 } 8070 8071 // Check if we are renaming from an original package name. 8072 PackageSetting origPackage = null; 8073 String realName = null; 8074 if (pkg.mOriginalPackages != null) { 8075 // This package may need to be renamed to a previously 8076 // installed name. Let's check on that... 8077 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8078 if (pkg.mOriginalPackages.contains(renamed)) { 8079 // This package had originally been installed as the 8080 // original name, and we have already taken care of 8081 // transitioning to the new one. Just update the new 8082 // one to continue using the old name. 8083 realName = pkg.mRealPackage; 8084 if (!pkg.packageName.equals(renamed)) { 8085 // Callers into this function may have already taken 8086 // care of renaming the package; only do it here if 8087 // it is not already done. 8088 pkg.setPackageName(renamed); 8089 } 8090 } else { 8091 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8092 if ((origPackage = mSettings.getPackageLPr( 8093 pkg.mOriginalPackages.get(i))) != null) { 8094 // We do have the package already installed under its 8095 // original name... should we use it? 8096 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8097 // New package is not compatible with original. 8098 origPackage = null; 8099 continue; 8100 } else if (origPackage.sharedUser != null) { 8101 // Make sure uid is compatible between packages. 8102 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8103 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8104 + " to " + pkg.packageName + ": old uid " 8105 + origPackage.sharedUser.name 8106 + " differs from " + pkg.mSharedUserId); 8107 origPackage = null; 8108 continue; 8109 } 8110 // TODO: Add case when shared user id is added [b/28144775] 8111 } else { 8112 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8113 + pkg.packageName + " to old name " + origPackage.name); 8114 } 8115 break; 8116 } 8117 } 8118 } 8119 } 8120 8121 if (mTransferedPackages.contains(pkg.packageName)) { 8122 Slog.w(TAG, "Package " + pkg.packageName 8123 + " was transferred to another, but its .apk remains"); 8124 } 8125 8126 // See comments in nonMutatedPs declaration 8127 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8128 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 8129 if (foundPs != null) { 8130 nonMutatedPs = new PackageSetting(foundPs); 8131 } 8132 } 8133 8134 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 8135 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 8136 PackageManagerService.reportSettingsProblem(Log.WARN, 8137 "Package " + pkg.packageName + " shared user changed from " 8138 + (pkgSetting.sharedUser != null 8139 ? pkgSetting.sharedUser.name : "<nothing>") 8140 + " to " 8141 + (suid != null ? suid.name : "<nothing>") 8142 + "; replacing with new"); 8143 pkgSetting = null; 8144 } 8145 final PackageSetting oldPkgSetting = 8146 pkgSetting == null ? null : new PackageSetting(pkgSetting); 8147 final PackageSetting disabledPkgSetting = 8148 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8149 if (pkgSetting == null) { 8150 final String parentPackageName = (pkg.parentPackage != null) 8151 ? pkg.parentPackage.packageName : null; 8152 // REMOVE SharedUserSetting from method; update in a separate call 8153 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 8154 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 8155 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 8156 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 8157 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 8158 true /*allowInstall*/, parentPackageName, pkg.getChildPackageNames(), 8159 UserManagerService.getInstance()); 8160 // SIDE EFFECTS; updates system state; move elsewhere 8161 if (origPackage != null) { 8162 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 8163 } 8164 mSettings.addUserToSettingLPw(pkgSetting); 8165 } else { 8166 // REMOVE SharedUserSetting from method; update in a separate call 8167 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 8168 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 8169 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 8170 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 8171 UserManagerService.getInstance()); 8172 } 8173 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 8174 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 8175 8176 // SIDE EFFECTS; modifies system state; move elsewhere 8177 if (pkgSetting.origPackage != null) { 8178 // If we are first transitioning from an original package, 8179 // fix up the new package's name now. We need to do this after 8180 // looking up the package under its new name, so getPackageLP 8181 // can take care of fiddling things correctly. 8182 pkg.setPackageName(origPackage.name); 8183 8184 // File a report about this. 8185 String msg = "New package " + pkgSetting.realName 8186 + " renamed to replace old package " + pkgSetting.name; 8187 reportSettingsProblem(Log.WARN, msg); 8188 8189 // Make a note of it. 8190 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8191 mTransferedPackages.add(origPackage.name); 8192 } 8193 8194 // No longer need to retain this. 8195 pkgSetting.origPackage = null; 8196 } 8197 8198 // SIDE EFFECTS; modifies system state; move elsewhere 8199 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8200 // Make a note of it. 8201 mTransferedPackages.add(pkg.packageName); 8202 } 8203 8204 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8205 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8206 } 8207 8208 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8209 // Check all shared libraries and map to their actual file path. 8210 // We only do this here for apps not on a system dir, because those 8211 // are the only ones that can fail an install due to this. We 8212 // will take care of the system apps by updating all of their 8213 // library paths after the scan is done. 8214 updateSharedLibrariesLPr(pkg, null); 8215 } 8216 8217 if (mFoundPolicyFile) { 8218 SELinuxMMAC.assignSeinfoValue(pkg); 8219 } 8220 8221 pkg.applicationInfo.uid = pkgSetting.appId; 8222 pkg.mExtras = pkgSetting; 8223 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8224 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8225 // We just determined the app is signed correctly, so bring 8226 // over the latest parsed certs. 8227 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8228 } else { 8229 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8230 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8231 "Package " + pkg.packageName + " upgrade keys do not match the " 8232 + "previously installed version"); 8233 } else { 8234 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8235 String msg = "System package " + pkg.packageName 8236 + " signature changed; retaining data."; 8237 reportSettingsProblem(Log.WARN, msg); 8238 } 8239 } 8240 } else { 8241 try { 8242 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 8243 verifySignaturesLP(pkgSetting, pkg); 8244 // We just determined the app is signed correctly, so bring 8245 // over the latest parsed certs. 8246 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8247 } catch (PackageManagerException e) { 8248 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8249 throw e; 8250 } 8251 // The signature has changed, but this package is in the system 8252 // image... let's recover! 8253 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8254 // However... if this package is part of a shared user, but it 8255 // doesn't match the signature of the shared user, let's fail. 8256 // What this means is that you can't change the signatures 8257 // associated with an overall shared user, which doesn't seem all 8258 // that unreasonable. 8259 if (pkgSetting.sharedUser != null) { 8260 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8261 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8262 throw new PackageManagerException( 8263 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8264 "Signature mismatch for shared user: " 8265 + pkgSetting.sharedUser); 8266 } 8267 } 8268 // File a report about this. 8269 String msg = "System package " + pkg.packageName 8270 + " signature changed; retaining data."; 8271 reportSettingsProblem(Log.WARN, msg); 8272 } 8273 } 8274 8275 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8276 // This package wants to adopt ownership of permissions from 8277 // another package. 8278 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8279 final String origName = pkg.mAdoptPermissions.get(i); 8280 final PackageSetting orig = mSettings.getPackageLPr(origName); 8281 if (orig != null) { 8282 if (verifyPackageUpdateLPr(orig, pkg)) { 8283 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8284 + pkg.packageName); 8285 // SIDE EFFECTS; updates permissions system state; move elsewhere 8286 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8287 } 8288 } 8289 } 8290 } 8291 } 8292 8293 pkg.applicationInfo.processName = fixProcessName( 8294 pkg.applicationInfo.packageName, 8295 pkg.applicationInfo.processName); 8296 8297 if (pkg != mPlatformPackage) { 8298 // Get all of our default paths setup 8299 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8300 } 8301 8302 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8303 8304 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8305 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 8306 derivePackageAbi( 8307 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 8308 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8309 8310 // Some system apps still use directory structure for native libraries 8311 // in which case we might end up not detecting abi solely based on apk 8312 // structure. Try to detect abi based on directory structure. 8313 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8314 pkg.applicationInfo.primaryCpuAbi == null) { 8315 setBundledAppAbisAndRoots(pkg, pkgSetting); 8316 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8317 } 8318 } else { 8319 if ((scanFlags & SCAN_MOVE) != 0) { 8320 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8321 // but we already have this packages package info in the PackageSetting. We just 8322 // use that and derive the native library path based on the new codepath. 8323 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8324 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8325 } 8326 8327 // Set native library paths again. For moves, the path will be updated based on the 8328 // ABIs we've determined above. For non-moves, the path will be updated based on the 8329 // ABIs we determined during compilation, but the path will depend on the final 8330 // package path (after the rename away from the stage path). 8331 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8332 } 8333 8334 // This is a special case for the "system" package, where the ABI is 8335 // dictated by the zygote configuration (and init.rc). We should keep track 8336 // of this ABI so that we can deal with "normal" applications that run under 8337 // the same UID correctly. 8338 if (mPlatformPackage == pkg) { 8339 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8340 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8341 } 8342 8343 // If there's a mismatch between the abi-override in the package setting 8344 // and the abiOverride specified for the install. Warn about this because we 8345 // would've already compiled the app without taking the package setting into 8346 // account. 8347 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8348 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8349 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8350 " for package " + pkg.packageName); 8351 } 8352 } 8353 8354 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8355 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8356 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8357 8358 // Copy the derived override back to the parsed package, so that we can 8359 // update the package settings accordingly. 8360 pkg.cpuAbiOverride = cpuAbiOverride; 8361 8362 if (DEBUG_ABI_SELECTION) { 8363 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8364 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8365 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8366 } 8367 8368 // Push the derived path down into PackageSettings so we know what to 8369 // clean up at uninstall time. 8370 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8371 8372 if (DEBUG_ABI_SELECTION) { 8373 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8374 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8375 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8376 } 8377 8378 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 8379 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8380 // We don't do this here during boot because we can do it all 8381 // at once after scanning all existing packages. 8382 // 8383 // We also do this *before* we perform dexopt on this package, so that 8384 // we can avoid redundant dexopts, and also to make sure we've got the 8385 // code and package path correct. 8386 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 8387 } 8388 8389 if (mFactoryTest && pkg.requestedPermissions.contains( 8390 android.Manifest.permission.FACTORY_TEST)) { 8391 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8392 } 8393 8394 if (isSystemApp(pkg)) { 8395 pkgSetting.isOrphaned = true; 8396 } 8397 8398 // Take care of first install / last update times. 8399 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8400 if (currentTime != 0) { 8401 if (pkgSetting.firstInstallTime == 0) { 8402 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8403 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 8404 pkgSetting.lastUpdateTime = currentTime; 8405 } 8406 } else if (pkgSetting.firstInstallTime == 0) { 8407 // We need *something*. Take time time stamp of the file. 8408 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8409 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8410 if (scanFileTime != pkgSetting.timeStamp) { 8411 // A package on the system image has changed; consider this 8412 // to be an update. 8413 pkgSetting.lastUpdateTime = scanFileTime; 8414 } 8415 } 8416 pkgSetting.setTimeStamp(scanFileTime); 8417 8418 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8419 if (nonMutatedPs != null) { 8420 synchronized (mPackages) { 8421 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8422 } 8423 } 8424 } else { 8425 // Modify state for the given package setting 8426 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 8427 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 8428 } 8429 return pkg; 8430 } 8431 8432 /** 8433 * Applies policy to the parsed package based upon the given policy flags. 8434 * Ensures the package is in a good state. 8435 * <p> 8436 * Implementation detail: This method must NOT have any side effect. It would 8437 * ideally be static, but, it requires locks to read system state. 8438 */ 8439 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 8440 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8441 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8442 if (pkg.applicationInfo.isDirectBootAware()) { 8443 // we're direct boot aware; set for all components 8444 for (PackageParser.Service s : pkg.services) { 8445 s.info.encryptionAware = s.info.directBootAware = true; 8446 } 8447 for (PackageParser.Provider p : pkg.providers) { 8448 p.info.encryptionAware = p.info.directBootAware = true; 8449 } 8450 for (PackageParser.Activity a : pkg.activities) { 8451 a.info.encryptionAware = a.info.directBootAware = true; 8452 } 8453 for (PackageParser.Activity r : pkg.receivers) { 8454 r.info.encryptionAware = r.info.directBootAware = true; 8455 } 8456 } 8457 } else { 8458 // Only allow system apps to be flagged as core apps. 8459 pkg.coreApp = false; 8460 // clear flags not applicable to regular apps 8461 pkg.applicationInfo.privateFlags &= 8462 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8463 pkg.applicationInfo.privateFlags &= 8464 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8465 } 8466 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8467 8468 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8469 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8470 } 8471 8472 if (!isSystemApp(pkg)) { 8473 // Only system apps can use these features. 8474 pkg.mOriginalPackages = null; 8475 pkg.mRealPackage = null; 8476 pkg.mAdoptPermissions = null; 8477 } 8478 } 8479 8480 /** 8481 * Asserts the parsed package is valid according to teh given policy. If the 8482 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 8483 * <p> 8484 * Implementation detail: This method must NOT have any side effects. It would 8485 * ideally be static, but, it requires locks to read system state. 8486 * 8487 * @throws PackageManagerException If the package fails any of the validation checks 8488 */ 8489 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 8490 throws PackageManagerException { 8491 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8492 assertCodePolicy(pkg); 8493 } 8494 8495 if (pkg.applicationInfo.getCodePath() == null || 8496 pkg.applicationInfo.getResourcePath() == null) { 8497 // Bail out. The resource and code paths haven't been set. 8498 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8499 "Code and resource paths haven't been set correctly"); 8500 } 8501 8502 // Make sure we're not adding any bogus keyset info 8503 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8504 ksms.assertScannedPackageValid(pkg); 8505 8506 synchronized (mPackages) { 8507 // The special "android" package can only be defined once 8508 if (pkg.packageName.equals("android")) { 8509 if (mAndroidApplication != null) { 8510 Slog.w(TAG, "*************************************************"); 8511 Slog.w(TAG, "Core android package being redefined. Skipping."); 8512 Slog.w(TAG, " codePath=" + pkg.codePath); 8513 Slog.w(TAG, "*************************************************"); 8514 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8515 "Core android package being redefined. Skipping."); 8516 } 8517 } 8518 8519 // A package name must be unique; don't allow duplicates 8520 if (mPackages.containsKey(pkg.packageName) 8521 || mSharedLibraries.containsKey(pkg.packageName)) { 8522 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8523 "Application package " + pkg.packageName 8524 + " already installed. Skipping duplicate."); 8525 } 8526 8527 // Only privileged apps and updated privileged apps can add child packages. 8528 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8529 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8530 throw new PackageManagerException("Only privileged apps can add child " 8531 + "packages. Ignoring package " + pkg.packageName); 8532 } 8533 final int childCount = pkg.childPackages.size(); 8534 for (int i = 0; i < childCount; i++) { 8535 PackageParser.Package childPkg = pkg.childPackages.get(i); 8536 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8537 childPkg.packageName)) { 8538 throw new PackageManagerException("Can't override child of " 8539 + "another disabled app. Ignoring package " + pkg.packageName); 8540 } 8541 } 8542 } 8543 8544 // If we're only installing presumed-existing packages, require that the 8545 // scanned APK is both already known and at the path previously established 8546 // for it. Previously unknown packages we pick up normally, but if we have an 8547 // a priori expectation about this package's install presence, enforce it. 8548 // With a singular exception for new system packages. When an OTA contains 8549 // a new system package, we allow the codepath to change from a system location 8550 // to the user-installed location. If we don't allow this change, any newer, 8551 // user-installed version of the application will be ignored. 8552 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8553 if (mExpectingBetter.containsKey(pkg.packageName)) { 8554 logCriticalInfo(Log.WARN, 8555 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8556 } else { 8557 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 8558 if (known != null) { 8559 if (DEBUG_PACKAGE_SCANNING) { 8560 Log.d(TAG, "Examining " + pkg.codePath 8561 + " and requiring known paths " + known.codePathString 8562 + " & " + known.resourcePathString); 8563 } 8564 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8565 || !pkg.applicationInfo.getResourcePath().equals( 8566 known.resourcePathString)) { 8567 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8568 "Application package " + pkg.packageName 8569 + " found at " + pkg.applicationInfo.getCodePath() 8570 + " but expected at " + known.codePathString 8571 + "; ignoring."); 8572 } 8573 } 8574 } 8575 } 8576 8577 // Verify that this new package doesn't have any content providers 8578 // that conflict with existing packages. Only do this if the 8579 // package isn't already installed, since we don't want to break 8580 // things that are installed. 8581 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8582 final int N = pkg.providers.size(); 8583 int i; 8584 for (i=0; i<N; i++) { 8585 PackageParser.Provider p = pkg.providers.get(i); 8586 if (p.info.authority != null) { 8587 String names[] = p.info.authority.split(";"); 8588 for (int j = 0; j < names.length; j++) { 8589 if (mProvidersByAuthority.containsKey(names[j])) { 8590 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8591 final String otherPackageName = 8592 ((other != null && other.getComponentName() != null) ? 8593 other.getComponentName().getPackageName() : "?"); 8594 throw new PackageManagerException( 8595 INSTALL_FAILED_CONFLICTING_PROVIDER, 8596 "Can't install because provider name " + names[j] 8597 + " (in package " + pkg.applicationInfo.packageName 8598 + ") is already used by " + otherPackageName); 8599 } 8600 } 8601 } 8602 } 8603 } 8604 } 8605 } 8606 8607 /** 8608 * Adds a scanned package to the system. When this method is finished, the package will 8609 * be available for query, resolution, etc... 8610 */ 8611 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 8612 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 8613 final String pkgName = pkg.packageName; 8614 if (mCustomResolverComponentName != null && 8615 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8616 setUpCustomResolverActivity(pkg); 8617 } 8618 8619 if (pkg.packageName.equals("android")) { 8620 synchronized (mPackages) { 8621 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8622 // Set up information for our fall-back user intent resolution activity. 8623 mPlatformPackage = pkg; 8624 pkg.mVersionCode = mSdkVersion; 8625 mAndroidApplication = pkg.applicationInfo; 8626 8627 if (!mResolverReplaced) { 8628 mResolveActivity.applicationInfo = mAndroidApplication; 8629 mResolveActivity.name = ResolverActivity.class.getName(); 8630 mResolveActivity.packageName = mAndroidApplication.packageName; 8631 mResolveActivity.processName = "system:ui"; 8632 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8633 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8634 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8635 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8636 mResolveActivity.exported = true; 8637 mResolveActivity.enabled = true; 8638 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8639 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8640 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8641 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8642 | ActivityInfo.CONFIG_ORIENTATION 8643 | ActivityInfo.CONFIG_KEYBOARD 8644 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8645 mResolveInfo.activityInfo = mResolveActivity; 8646 mResolveInfo.priority = 0; 8647 mResolveInfo.preferredOrder = 0; 8648 mResolveInfo.match = 0; 8649 mResolveComponentName = new ComponentName( 8650 mAndroidApplication.packageName, mResolveActivity.name); 8651 } 8652 } 8653 } 8654 } 8655 8656 ArrayList<PackageParser.Package> clientLibPkgs = null; 8657 // writer 8658 synchronized (mPackages) { 8659 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8660 // Only system apps can add new shared libraries. 8661 if (pkg.libraryNames != null) { 8662 for (int i=0; i<pkg.libraryNames.size(); i++) { 8663 String name = pkg.libraryNames.get(i); 8664 boolean allowed = false; 8665 if (pkg.isUpdatedSystemApp()) { 8666 // New library entries can only be added through the 8667 // system image. This is important to get rid of a lot 8668 // of nasty edge cases: for example if we allowed a non- 8669 // system update of the app to add a library, then uninstalling 8670 // the update would make the library go away, and assumptions 8671 // we made such as through app install filtering would now 8672 // have allowed apps on the device which aren't compatible 8673 // with it. Better to just have the restriction here, be 8674 // conservative, and create many fewer cases that can negatively 8675 // impact the user experience. 8676 final PackageSetting sysPs = mSettings 8677 .getDisabledSystemPkgLPr(pkg.packageName); 8678 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8679 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8680 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8681 allowed = true; 8682 break; 8683 } 8684 } 8685 } 8686 } else { 8687 allowed = true; 8688 } 8689 if (allowed) { 8690 if (!mSharedLibraries.containsKey(name)) { 8691 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8692 } else if (!name.equals(pkg.packageName)) { 8693 Slog.w(TAG, "Package " + pkg.packageName + " library " 8694 + name + " already exists; skipping"); 8695 } 8696 } else { 8697 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8698 + name + " that is not declared on system image; skipping"); 8699 } 8700 } 8701 if ((scanFlags & SCAN_BOOTING) == 0) { 8702 // If we are not booting, we need to update any applications 8703 // that are clients of our shared library. If we are booting, 8704 // this will all be done once the scan is complete. 8705 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8706 } 8707 } 8708 } 8709 } 8710 8711 if ((scanFlags & SCAN_BOOTING) != 0) { 8712 // No apps can run during boot scan, so they don't need to be frozen 8713 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8714 // Caller asked to not kill app, so it's probably not frozen 8715 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8716 // Caller asked us to ignore frozen check for some reason; they 8717 // probably didn't know the package name 8718 } else { 8719 // We're doing major surgery on this package, so it better be frozen 8720 // right now to keep it from launching 8721 checkPackageFrozen(pkgName); 8722 } 8723 8724 // Also need to kill any apps that are dependent on the library. 8725 if (clientLibPkgs != null) { 8726 for (int i=0; i<clientLibPkgs.size(); i++) { 8727 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8728 killApplication(clientPkg.applicationInfo.packageName, 8729 clientPkg.applicationInfo.uid, "update lib"); 8730 } 8731 } 8732 8733 // writer 8734 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8735 8736 boolean createIdmapFailed = false; 8737 synchronized (mPackages) { 8738 // We don't expect installation to fail beyond this point 8739 8740 if (pkgSetting.pkg != null) { 8741 // Note that |user| might be null during the initial boot scan. If a codePath 8742 // for an app has changed during a boot scan, it's due to an app update that's 8743 // part of the system partition and marker changes must be applied to all users. 8744 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 8745 final int[] userIds = resolveUserIds(userId); 8746 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 8747 } 8748 8749 // Add the new setting to mSettings 8750 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8751 // Add the new setting to mPackages 8752 mPackages.put(pkg.applicationInfo.packageName, pkg); 8753 // Make sure we don't accidentally delete its data. 8754 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8755 while (iter.hasNext()) { 8756 PackageCleanItem item = iter.next(); 8757 if (pkgName.equals(item.packageName)) { 8758 iter.remove(); 8759 } 8760 } 8761 8762 // Add the package's KeySets to the global KeySetManagerService 8763 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8764 ksms.addScannedPackageLPw(pkg); 8765 8766 int N = pkg.providers.size(); 8767 StringBuilder r = null; 8768 int i; 8769 for (i=0; i<N; i++) { 8770 PackageParser.Provider p = pkg.providers.get(i); 8771 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8772 p.info.processName); 8773 mProviders.addProvider(p); 8774 p.syncable = p.info.isSyncable; 8775 if (p.info.authority != null) { 8776 String names[] = p.info.authority.split(";"); 8777 p.info.authority = null; 8778 for (int j = 0; j < names.length; j++) { 8779 if (j == 1 && p.syncable) { 8780 // We only want the first authority for a provider to possibly be 8781 // syncable, so if we already added this provider using a different 8782 // authority clear the syncable flag. We copy the provider before 8783 // changing it because the mProviders object contains a reference 8784 // to a provider that we don't want to change. 8785 // Only do this for the second authority since the resulting provider 8786 // object can be the same for all future authorities for this provider. 8787 p = new PackageParser.Provider(p); 8788 p.syncable = false; 8789 } 8790 if (!mProvidersByAuthority.containsKey(names[j])) { 8791 mProvidersByAuthority.put(names[j], p); 8792 if (p.info.authority == null) { 8793 p.info.authority = names[j]; 8794 } else { 8795 p.info.authority = p.info.authority + ";" + names[j]; 8796 } 8797 if (DEBUG_PACKAGE_SCANNING) { 8798 if (chatty) 8799 Log.d(TAG, "Registered content provider: " + names[j] 8800 + ", className = " + p.info.name + ", isSyncable = " 8801 + p.info.isSyncable); 8802 } 8803 } else { 8804 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8805 Slog.w(TAG, "Skipping provider name " + names[j] + 8806 " (in package " + pkg.applicationInfo.packageName + 8807 "): name already used by " 8808 + ((other != null && other.getComponentName() != null) 8809 ? other.getComponentName().getPackageName() : "?")); 8810 } 8811 } 8812 } 8813 if (chatty) { 8814 if (r == null) { 8815 r = new StringBuilder(256); 8816 } else { 8817 r.append(' '); 8818 } 8819 r.append(p.info.name); 8820 } 8821 } 8822 if (r != null) { 8823 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8824 } 8825 8826 N = pkg.services.size(); 8827 r = null; 8828 for (i=0; i<N; i++) { 8829 PackageParser.Service s = pkg.services.get(i); 8830 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8831 s.info.processName); 8832 mServices.addService(s); 8833 if (chatty) { 8834 if (r == null) { 8835 r = new StringBuilder(256); 8836 } else { 8837 r.append(' '); 8838 } 8839 r.append(s.info.name); 8840 } 8841 } 8842 if (r != null) { 8843 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8844 } 8845 8846 N = pkg.receivers.size(); 8847 r = null; 8848 for (i=0; i<N; i++) { 8849 PackageParser.Activity a = pkg.receivers.get(i); 8850 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8851 a.info.processName); 8852 mReceivers.addActivity(a, "receiver"); 8853 if (chatty) { 8854 if (r == null) { 8855 r = new StringBuilder(256); 8856 } else { 8857 r.append(' '); 8858 } 8859 r.append(a.info.name); 8860 } 8861 } 8862 if (r != null) { 8863 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8864 } 8865 8866 N = pkg.activities.size(); 8867 r = null; 8868 for (i=0; i<N; i++) { 8869 PackageParser.Activity a = pkg.activities.get(i); 8870 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8871 a.info.processName); 8872 mActivities.addActivity(a, "activity"); 8873 if (chatty) { 8874 if (r == null) { 8875 r = new StringBuilder(256); 8876 } else { 8877 r.append(' '); 8878 } 8879 r.append(a.info.name); 8880 } 8881 } 8882 if (r != null) { 8883 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8884 } 8885 8886 N = pkg.permissionGroups.size(); 8887 r = null; 8888 for (i=0; i<N; i++) { 8889 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8890 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8891 final String curPackageName = cur == null ? null : cur.info.packageName; 8892 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 8893 if (cur == null || isPackageUpdate) { 8894 mPermissionGroups.put(pg.info.name, pg); 8895 if (chatty) { 8896 if (r == null) { 8897 r = new StringBuilder(256); 8898 } else { 8899 r.append(' '); 8900 } 8901 if (isPackageUpdate) { 8902 r.append("UPD:"); 8903 } 8904 r.append(pg.info.name); 8905 } 8906 } else { 8907 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8908 + pg.info.packageName + " ignored: original from " 8909 + cur.info.packageName); 8910 if (chatty) { 8911 if (r == null) { 8912 r = new StringBuilder(256); 8913 } else { 8914 r.append(' '); 8915 } 8916 r.append("DUP:"); 8917 r.append(pg.info.name); 8918 } 8919 } 8920 } 8921 if (r != null) { 8922 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8923 } 8924 8925 N = pkg.permissions.size(); 8926 r = null; 8927 for (i=0; i<N; i++) { 8928 PackageParser.Permission p = pkg.permissions.get(i); 8929 8930 // Assume by default that we did not install this permission into the system. 8931 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8932 8933 // Now that permission groups have a special meaning, we ignore permission 8934 // groups for legacy apps to prevent unexpected behavior. In particular, 8935 // permissions for one app being granted to someone just becase they happen 8936 // to be in a group defined by another app (before this had no implications). 8937 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8938 p.group = mPermissionGroups.get(p.info.group); 8939 // Warn for a permission in an unknown group. 8940 if (p.info.group != null && p.group == null) { 8941 Slog.w(TAG, "Permission " + p.info.name + " from package " 8942 + p.info.packageName + " in an unknown group " + p.info.group); 8943 } 8944 } 8945 8946 ArrayMap<String, BasePermission> permissionMap = 8947 p.tree ? mSettings.mPermissionTrees 8948 : mSettings.mPermissions; 8949 BasePermission bp = permissionMap.get(p.info.name); 8950 8951 // Allow system apps to redefine non-system permissions 8952 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8953 final boolean currentOwnerIsSystem = (bp.perm != null 8954 && isSystemApp(bp.perm.owner)); 8955 if (isSystemApp(p.owner)) { 8956 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8957 // It's a built-in permission and no owner, take ownership now 8958 bp.packageSetting = pkgSetting; 8959 bp.perm = p; 8960 bp.uid = pkg.applicationInfo.uid; 8961 bp.sourcePackage = p.info.packageName; 8962 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8963 } else if (!currentOwnerIsSystem) { 8964 String msg = "New decl " + p.owner + " of permission " 8965 + p.info.name + " is system; overriding " + bp.sourcePackage; 8966 reportSettingsProblem(Log.WARN, msg); 8967 bp = null; 8968 } 8969 } 8970 } 8971 8972 if (bp == null) { 8973 bp = new BasePermission(p.info.name, p.info.packageName, 8974 BasePermission.TYPE_NORMAL); 8975 permissionMap.put(p.info.name, bp); 8976 } 8977 8978 if (bp.perm == null) { 8979 if (bp.sourcePackage == null 8980 || bp.sourcePackage.equals(p.info.packageName)) { 8981 BasePermission tree = findPermissionTreeLP(p.info.name); 8982 if (tree == null 8983 || tree.sourcePackage.equals(p.info.packageName)) { 8984 bp.packageSetting = pkgSetting; 8985 bp.perm = p; 8986 bp.uid = pkg.applicationInfo.uid; 8987 bp.sourcePackage = p.info.packageName; 8988 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8989 if (chatty) { 8990 if (r == null) { 8991 r = new StringBuilder(256); 8992 } else { 8993 r.append(' '); 8994 } 8995 r.append(p.info.name); 8996 } 8997 } else { 8998 Slog.w(TAG, "Permission " + p.info.name + " from package " 8999 + p.info.packageName + " ignored: base tree " 9000 + tree.name + " is from package " 9001 + tree.sourcePackage); 9002 } 9003 } else { 9004 Slog.w(TAG, "Permission " + p.info.name + " from package " 9005 + p.info.packageName + " ignored: original from " 9006 + bp.sourcePackage); 9007 } 9008 } else if (chatty) { 9009 if (r == null) { 9010 r = new StringBuilder(256); 9011 } else { 9012 r.append(' '); 9013 } 9014 r.append("DUP:"); 9015 r.append(p.info.name); 9016 } 9017 if (bp.perm == p) { 9018 bp.protectionLevel = p.info.protectionLevel; 9019 } 9020 } 9021 9022 if (r != null) { 9023 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 9024 } 9025 9026 N = pkg.instrumentation.size(); 9027 r = null; 9028 for (i=0; i<N; i++) { 9029 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9030 a.info.packageName = pkg.applicationInfo.packageName; 9031 a.info.sourceDir = pkg.applicationInfo.sourceDir; 9032 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 9033 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 9034 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 9035 a.info.dataDir = pkg.applicationInfo.dataDir; 9036 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 9037 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 9038 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 9039 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 9040 mInstrumentation.put(a.getComponentName(), a); 9041 if (chatty) { 9042 if (r == null) { 9043 r = new StringBuilder(256); 9044 } else { 9045 r.append(' '); 9046 } 9047 r.append(a.info.name); 9048 } 9049 } 9050 if (r != null) { 9051 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 9052 } 9053 9054 if (pkg.protectedBroadcasts != null) { 9055 N = pkg.protectedBroadcasts.size(); 9056 for (i=0; i<N; i++) { 9057 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 9058 } 9059 } 9060 9061 // Create idmap files for pairs of (packages, overlay packages). 9062 // Note: "android", ie framework-res.apk, is handled by native layers. 9063 if (pkg.mOverlayTarget != null) { 9064 // This is an overlay package. 9065 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 9066 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 9067 mOverlays.put(pkg.mOverlayTarget, 9068 new ArrayMap<String, PackageParser.Package>()); 9069 } 9070 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 9071 map.put(pkg.packageName, pkg); 9072 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 9073 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 9074 createIdmapFailed = true; 9075 } 9076 } 9077 } else if (mOverlays.containsKey(pkg.packageName) && 9078 !pkg.packageName.equals("android")) { 9079 // This is a regular package, with one or more known overlay packages. 9080 createIdmapsForPackageLI(pkg); 9081 } 9082 } 9083 9084 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9085 9086 if (createIdmapFailed) { 9087 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9088 "scanPackageLI failed to createIdmap"); 9089 } 9090 } 9091 9092 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9093 PackageParser.Package update, int[] userIds) { 9094 if (existing.applicationInfo == null || update.applicationInfo == null) { 9095 // This isn't due to an app installation. 9096 return; 9097 } 9098 9099 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9100 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9101 9102 // The codePath hasn't changed, so there's nothing for us to do. 9103 if (Objects.equals(oldCodePath, newCodePath)) { 9104 return; 9105 } 9106 9107 File canonicalNewCodePath; 9108 try { 9109 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9110 } catch (IOException e) { 9111 Slog.w(TAG, "Failed to get canonical path.", e); 9112 return; 9113 } 9114 9115 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9116 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9117 // that the last component of the path (i.e, the name) doesn't need canonicalization 9118 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9119 // but may change in the future. Hopefully this function won't exist at that point. 9120 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9121 oldCodePath.getName()); 9122 9123 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9124 // with "@". 9125 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9126 if (!oldMarkerPrefix.endsWith("@")) { 9127 oldMarkerPrefix += "@"; 9128 } 9129 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9130 if (!newMarkerPrefix.endsWith("@")) { 9131 newMarkerPrefix += "@"; 9132 } 9133 9134 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9135 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9136 for (String updatedPath : updatedPaths) { 9137 String updatedPathName = new File(updatedPath).getName(); 9138 markerSuffixes.add(updatedPathName.replace('/', '@')); 9139 } 9140 9141 for (int userId : userIds) { 9142 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9143 9144 for (String markerSuffix : markerSuffixes) { 9145 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9146 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9147 if (oldForeignUseMark.exists()) { 9148 try { 9149 Os.rename(oldForeignUseMark.getAbsolutePath(), 9150 newForeignUseMark.getAbsolutePath()); 9151 } catch (ErrnoException e) { 9152 Slog.w(TAG, "Failed to rename foreign use marker", e); 9153 oldForeignUseMark.delete(); 9154 } 9155 } 9156 } 9157 } 9158 } 9159 9160 /** 9161 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9162 * is derived purely on the basis of the contents of {@code scanFile} and 9163 * {@code cpuAbiOverride}. 9164 * 9165 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9166 */ 9167 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9168 String cpuAbiOverride, boolean extractLibs, 9169 File appLib32InstallDir) 9170 throws PackageManagerException { 9171 // TODO: We can probably be smarter about this stuff. For installed apps, 9172 // we can calculate this information at install time once and for all. For 9173 // system apps, we can probably assume that this information doesn't change 9174 // after the first boot scan. As things stand, we do lots of unnecessary work. 9175 9176 // Give ourselves some initial paths; we'll come back for another 9177 // pass once we've determined ABI below. 9178 setNativeLibraryPaths(pkg, appLib32InstallDir); 9179 9180 // We would never need to extract libs for forward-locked and external packages, 9181 // since the container service will do it for us. We shouldn't attempt to 9182 // extract libs from system app when it was not updated. 9183 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9184 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9185 extractLibs = false; 9186 } 9187 9188 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9189 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9190 9191 NativeLibraryHelper.Handle handle = null; 9192 try { 9193 handle = NativeLibraryHelper.Handle.create(pkg); 9194 // TODO(multiArch): This can be null for apps that didn't go through the 9195 // usual installation process. We can calculate it again, like we 9196 // do during install time. 9197 // 9198 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9199 // unnecessary. 9200 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9201 9202 // Null out the abis so that they can be recalculated. 9203 pkg.applicationInfo.primaryCpuAbi = null; 9204 pkg.applicationInfo.secondaryCpuAbi = null; 9205 if (isMultiArch(pkg.applicationInfo)) { 9206 // Warn if we've set an abiOverride for multi-lib packages.. 9207 // By definition, we need to copy both 32 and 64 bit libraries for 9208 // such packages. 9209 if (pkg.cpuAbiOverride != null 9210 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9211 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9212 } 9213 9214 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9215 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9216 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9217 if (extractLibs) { 9218 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9219 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9220 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9221 useIsaSpecificSubdirs); 9222 } else { 9223 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9224 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9225 } 9226 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9227 } 9228 9229 maybeThrowExceptionForMultiArchCopy( 9230 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9231 9232 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9233 if (extractLibs) { 9234 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9235 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9236 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9237 useIsaSpecificSubdirs); 9238 } else { 9239 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9240 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9241 } 9242 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9243 } 9244 9245 maybeThrowExceptionForMultiArchCopy( 9246 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9247 9248 if (abi64 >= 0) { 9249 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9250 } 9251 9252 if (abi32 >= 0) { 9253 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9254 if (abi64 >= 0) { 9255 if (pkg.use32bitAbi) { 9256 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9257 pkg.applicationInfo.primaryCpuAbi = abi; 9258 } else { 9259 pkg.applicationInfo.secondaryCpuAbi = abi; 9260 } 9261 } else { 9262 pkg.applicationInfo.primaryCpuAbi = abi; 9263 } 9264 } 9265 9266 } else { 9267 String[] abiList = (cpuAbiOverride != null) ? 9268 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9269 9270 // Enable gross and lame hacks for apps that are built with old 9271 // SDK tools. We must scan their APKs for renderscript bitcode and 9272 // not launch them if it's present. Don't bother checking on devices 9273 // that don't have 64 bit support. 9274 boolean needsRenderScriptOverride = false; 9275 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9276 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9277 abiList = Build.SUPPORTED_32_BIT_ABIS; 9278 needsRenderScriptOverride = true; 9279 } 9280 9281 final int copyRet; 9282 if (extractLibs) { 9283 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9284 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9285 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9286 } else { 9287 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9288 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9289 } 9290 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9291 9292 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9293 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9294 "Error unpackaging native libs for app, errorCode=" + copyRet); 9295 } 9296 9297 if (copyRet >= 0) { 9298 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9299 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9300 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9301 } else if (needsRenderScriptOverride) { 9302 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9303 } 9304 } 9305 } catch (IOException ioe) { 9306 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9307 } finally { 9308 IoUtils.closeQuietly(handle); 9309 } 9310 9311 // Now that we've calculated the ABIs and determined if it's an internal app, 9312 // we will go ahead and populate the nativeLibraryPath. 9313 setNativeLibraryPaths(pkg, appLib32InstallDir); 9314 } 9315 9316 /** 9317 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9318 * i.e, so that all packages can be run inside a single process if required. 9319 * 9320 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9321 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9322 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9323 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9324 * updating a package that belongs to a shared user. 9325 * 9326 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9327 * adds unnecessary complexity. 9328 */ 9329 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9330 PackageParser.Package scannedPackage) { 9331 String requiredInstructionSet = null; 9332 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9333 requiredInstructionSet = VMRuntime.getInstructionSet( 9334 scannedPackage.applicationInfo.primaryCpuAbi); 9335 } 9336 9337 PackageSetting requirer = null; 9338 for (PackageSetting ps : packagesForUser) { 9339 // If packagesForUser contains scannedPackage, we skip it. This will happen 9340 // when scannedPackage is an update of an existing package. Without this check, 9341 // we will never be able to change the ABI of any package belonging to a shared 9342 // user, even if it's compatible with other packages. 9343 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9344 if (ps.primaryCpuAbiString == null) { 9345 continue; 9346 } 9347 9348 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9349 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9350 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9351 // this but there's not much we can do. 9352 String errorMessage = "Instruction set mismatch, " 9353 + ((requirer == null) ? "[caller]" : requirer) 9354 + " requires " + requiredInstructionSet + " whereas " + ps 9355 + " requires " + instructionSet; 9356 Slog.w(TAG, errorMessage); 9357 } 9358 9359 if (requiredInstructionSet == null) { 9360 requiredInstructionSet = instructionSet; 9361 requirer = ps; 9362 } 9363 } 9364 } 9365 9366 if (requiredInstructionSet != null) { 9367 String adjustedAbi; 9368 if (requirer != null) { 9369 // requirer != null implies that either scannedPackage was null or that scannedPackage 9370 // did not require an ABI, in which case we have to adjust scannedPackage to match 9371 // the ABI of the set (which is the same as requirer's ABI) 9372 adjustedAbi = requirer.primaryCpuAbiString; 9373 if (scannedPackage != null) { 9374 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9375 } 9376 } else { 9377 // requirer == null implies that we're updating all ABIs in the set to 9378 // match scannedPackage. 9379 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9380 } 9381 9382 for (PackageSetting ps : packagesForUser) { 9383 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9384 if (ps.primaryCpuAbiString != null) { 9385 continue; 9386 } 9387 9388 ps.primaryCpuAbiString = adjustedAbi; 9389 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9390 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9391 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9392 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9393 + " (requirer=" 9394 + (requirer == null ? "null" : requirer.pkg.packageName) 9395 + ", scannedPackage=" 9396 + (scannedPackage != null ? scannedPackage.packageName : "null") 9397 + ")"); 9398 try { 9399 mInstaller.rmdex(ps.codePathString, 9400 getDexCodeInstructionSet(getPreferredInstructionSet())); 9401 } catch (InstallerException ignored) { 9402 } 9403 } 9404 } 9405 } 9406 } 9407 } 9408 9409 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9410 synchronized (mPackages) { 9411 mResolverReplaced = true; 9412 // Set up information for custom user intent resolution activity. 9413 mResolveActivity.applicationInfo = pkg.applicationInfo; 9414 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9415 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9416 mResolveActivity.processName = pkg.applicationInfo.packageName; 9417 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9418 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9419 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9420 mResolveActivity.theme = 0; 9421 mResolveActivity.exported = true; 9422 mResolveActivity.enabled = true; 9423 mResolveInfo.activityInfo = mResolveActivity; 9424 mResolveInfo.priority = 0; 9425 mResolveInfo.preferredOrder = 0; 9426 mResolveInfo.match = 0; 9427 mResolveComponentName = mCustomResolverComponentName; 9428 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9429 mResolveComponentName); 9430 } 9431 } 9432 9433 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9434 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9435 9436 // Set up information for ephemeral installer activity 9437 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9438 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9439 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9440 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9441 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9442 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9443 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9444 mEphemeralInstallerActivity.theme = 0; 9445 mEphemeralInstallerActivity.exported = true; 9446 mEphemeralInstallerActivity.enabled = true; 9447 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9448 mEphemeralInstallerInfo.priority = 0; 9449 mEphemeralInstallerInfo.preferredOrder = 1; 9450 mEphemeralInstallerInfo.isDefault = true; 9451 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9452 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9453 9454 if (DEBUG_EPHEMERAL) { 9455 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9456 } 9457 } 9458 9459 private static String calculateBundledApkRoot(final String codePathString) { 9460 final File codePath = new File(codePathString); 9461 final File codeRoot; 9462 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9463 codeRoot = Environment.getRootDirectory(); 9464 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9465 codeRoot = Environment.getOemDirectory(); 9466 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9467 codeRoot = Environment.getVendorDirectory(); 9468 } else { 9469 // Unrecognized code path; take its top real segment as the apk root: 9470 // e.g. /something/app/blah.apk => /something 9471 try { 9472 File f = codePath.getCanonicalFile(); 9473 File parent = f.getParentFile(); // non-null because codePath is a file 9474 File tmp; 9475 while ((tmp = parent.getParentFile()) != null) { 9476 f = parent; 9477 parent = tmp; 9478 } 9479 codeRoot = f; 9480 Slog.w(TAG, "Unrecognized code path " 9481 + codePath + " - using " + codeRoot); 9482 } catch (IOException e) { 9483 // Can't canonicalize the code path -- shenanigans? 9484 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9485 return Environment.getRootDirectory().getPath(); 9486 } 9487 } 9488 return codeRoot.getPath(); 9489 } 9490 9491 /** 9492 * Derive and set the location of native libraries for the given package, 9493 * which varies depending on where and how the package was installed. 9494 */ 9495 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 9496 final ApplicationInfo info = pkg.applicationInfo; 9497 final String codePath = pkg.codePath; 9498 final File codeFile = new File(codePath); 9499 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9500 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9501 9502 info.nativeLibraryRootDir = null; 9503 info.nativeLibraryRootRequiresIsa = false; 9504 info.nativeLibraryDir = null; 9505 info.secondaryNativeLibraryDir = null; 9506 9507 if (isApkFile(codeFile)) { 9508 // Monolithic install 9509 if (bundledApp) { 9510 // If "/system/lib64/apkname" exists, assume that is the per-package 9511 // native library directory to use; otherwise use "/system/lib/apkname". 9512 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9513 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9514 getPrimaryInstructionSet(info)); 9515 9516 // This is a bundled system app so choose the path based on the ABI. 9517 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9518 // is just the default path. 9519 final String apkName = deriveCodePathName(codePath); 9520 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9521 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9522 apkName).getAbsolutePath(); 9523 9524 if (info.secondaryCpuAbi != null) { 9525 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9526 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9527 secondaryLibDir, apkName).getAbsolutePath(); 9528 } 9529 } else if (asecApp) { 9530 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9531 .getAbsolutePath(); 9532 } else { 9533 final String apkName = deriveCodePathName(codePath); 9534 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 9535 .getAbsolutePath(); 9536 } 9537 9538 info.nativeLibraryRootRequiresIsa = false; 9539 info.nativeLibraryDir = info.nativeLibraryRootDir; 9540 } else { 9541 // Cluster install 9542 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9543 info.nativeLibraryRootRequiresIsa = true; 9544 9545 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9546 getPrimaryInstructionSet(info)).getAbsolutePath(); 9547 9548 if (info.secondaryCpuAbi != null) { 9549 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9550 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9551 } 9552 } 9553 } 9554 9555 /** 9556 * Calculate the abis and roots for a bundled app. These can uniquely 9557 * be determined from the contents of the system partition, i.e whether 9558 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9559 * of this information, and instead assume that the system was built 9560 * sensibly. 9561 */ 9562 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9563 PackageSetting pkgSetting) { 9564 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9565 9566 // If "/system/lib64/apkname" exists, assume that is the per-package 9567 // native library directory to use; otherwise use "/system/lib/apkname". 9568 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9569 setBundledAppAbi(pkg, apkRoot, apkName); 9570 // pkgSetting might be null during rescan following uninstall of updates 9571 // to a bundled app, so accommodate that possibility. The settings in 9572 // that case will be established later from the parsed package. 9573 // 9574 // If the settings aren't null, sync them up with what we've just derived. 9575 // note that apkRoot isn't stored in the package settings. 9576 if (pkgSetting != null) { 9577 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9578 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9579 } 9580 } 9581 9582 /** 9583 * Deduces the ABI of a bundled app and sets the relevant fields on the 9584 * parsed pkg object. 9585 * 9586 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9587 * under which system libraries are installed. 9588 * @param apkName the name of the installed package. 9589 */ 9590 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9591 final File codeFile = new File(pkg.codePath); 9592 9593 final boolean has64BitLibs; 9594 final boolean has32BitLibs; 9595 if (isApkFile(codeFile)) { 9596 // Monolithic install 9597 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9598 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9599 } else { 9600 // Cluster install 9601 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9602 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9603 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9604 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9605 has64BitLibs = (new File(rootDir, isa)).exists(); 9606 } else { 9607 has64BitLibs = false; 9608 } 9609 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9610 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9611 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9612 has32BitLibs = (new File(rootDir, isa)).exists(); 9613 } else { 9614 has32BitLibs = false; 9615 } 9616 } 9617 9618 if (has64BitLibs && !has32BitLibs) { 9619 // The package has 64 bit libs, but not 32 bit libs. Its primary 9620 // ABI should be 64 bit. We can safely assume here that the bundled 9621 // native libraries correspond to the most preferred ABI in the list. 9622 9623 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9624 pkg.applicationInfo.secondaryCpuAbi = null; 9625 } else if (has32BitLibs && !has64BitLibs) { 9626 // The package has 32 bit libs but not 64 bit libs. Its primary 9627 // ABI should be 32 bit. 9628 9629 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9630 pkg.applicationInfo.secondaryCpuAbi = null; 9631 } else if (has32BitLibs && has64BitLibs) { 9632 // The application has both 64 and 32 bit bundled libraries. We check 9633 // here that the app declares multiArch support, and warn if it doesn't. 9634 // 9635 // We will be lenient here and record both ABIs. The primary will be the 9636 // ABI that's higher on the list, i.e, a device that's configured to prefer 9637 // 64 bit apps will see a 64 bit primary ABI, 9638 9639 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9640 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9641 } 9642 9643 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9644 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9645 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9646 } else { 9647 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9648 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9649 } 9650 } else { 9651 pkg.applicationInfo.primaryCpuAbi = null; 9652 pkg.applicationInfo.secondaryCpuAbi = null; 9653 } 9654 } 9655 9656 private void killApplication(String pkgName, int appId, String reason) { 9657 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9658 } 9659 9660 private void killApplication(String pkgName, int appId, int userId, String reason) { 9661 // Request the ActivityManager to kill the process(only for existing packages) 9662 // so that we do not end up in a confused state while the user is still using the older 9663 // version of the application while the new one gets installed. 9664 final long token = Binder.clearCallingIdentity(); 9665 try { 9666 IActivityManager am = ActivityManager.getService(); 9667 if (am != null) { 9668 try { 9669 am.killApplication(pkgName, appId, userId, reason); 9670 } catch (RemoteException e) { 9671 } 9672 } 9673 } finally { 9674 Binder.restoreCallingIdentity(token); 9675 } 9676 } 9677 9678 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9679 // Remove the parent package setting 9680 PackageSetting ps = (PackageSetting) pkg.mExtras; 9681 if (ps != null) { 9682 removePackageLI(ps, chatty); 9683 } 9684 // Remove the child package setting 9685 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9686 for (int i = 0; i < childCount; i++) { 9687 PackageParser.Package childPkg = pkg.childPackages.get(i); 9688 ps = (PackageSetting) childPkg.mExtras; 9689 if (ps != null) { 9690 removePackageLI(ps, chatty); 9691 } 9692 } 9693 } 9694 9695 void removePackageLI(PackageSetting ps, boolean chatty) { 9696 if (DEBUG_INSTALL) { 9697 if (chatty) 9698 Log.d(TAG, "Removing package " + ps.name); 9699 } 9700 9701 // writer 9702 synchronized (mPackages) { 9703 mPackages.remove(ps.name); 9704 final PackageParser.Package pkg = ps.pkg; 9705 if (pkg != null) { 9706 cleanPackageDataStructuresLILPw(pkg, chatty); 9707 } 9708 } 9709 } 9710 9711 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9712 if (DEBUG_INSTALL) { 9713 if (chatty) 9714 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9715 } 9716 9717 // writer 9718 synchronized (mPackages) { 9719 // Remove the parent package 9720 mPackages.remove(pkg.applicationInfo.packageName); 9721 cleanPackageDataStructuresLILPw(pkg, chatty); 9722 9723 // Remove the child packages 9724 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9725 for (int i = 0; i < childCount; i++) { 9726 PackageParser.Package childPkg = pkg.childPackages.get(i); 9727 mPackages.remove(childPkg.applicationInfo.packageName); 9728 cleanPackageDataStructuresLILPw(childPkg, chatty); 9729 } 9730 } 9731 } 9732 9733 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9734 int N = pkg.providers.size(); 9735 StringBuilder r = null; 9736 int i; 9737 for (i=0; i<N; i++) { 9738 PackageParser.Provider p = pkg.providers.get(i); 9739 mProviders.removeProvider(p); 9740 if (p.info.authority == null) { 9741 9742 /* There was another ContentProvider with this authority when 9743 * this app was installed so this authority is null, 9744 * Ignore it as we don't have to unregister the provider. 9745 */ 9746 continue; 9747 } 9748 String names[] = p.info.authority.split(";"); 9749 for (int j = 0; j < names.length; j++) { 9750 if (mProvidersByAuthority.get(names[j]) == p) { 9751 mProvidersByAuthority.remove(names[j]); 9752 if (DEBUG_REMOVE) { 9753 if (chatty) 9754 Log.d(TAG, "Unregistered content provider: " + names[j] 9755 + ", className = " + p.info.name + ", isSyncable = " 9756 + p.info.isSyncable); 9757 } 9758 } 9759 } 9760 if (DEBUG_REMOVE && chatty) { 9761 if (r == null) { 9762 r = new StringBuilder(256); 9763 } else { 9764 r.append(' '); 9765 } 9766 r.append(p.info.name); 9767 } 9768 } 9769 if (r != null) { 9770 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9771 } 9772 9773 N = pkg.services.size(); 9774 r = null; 9775 for (i=0; i<N; i++) { 9776 PackageParser.Service s = pkg.services.get(i); 9777 mServices.removeService(s); 9778 if (chatty) { 9779 if (r == null) { 9780 r = new StringBuilder(256); 9781 } else { 9782 r.append(' '); 9783 } 9784 r.append(s.info.name); 9785 } 9786 } 9787 if (r != null) { 9788 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9789 } 9790 9791 N = pkg.receivers.size(); 9792 r = null; 9793 for (i=0; i<N; i++) { 9794 PackageParser.Activity a = pkg.receivers.get(i); 9795 mReceivers.removeActivity(a, "receiver"); 9796 if (DEBUG_REMOVE && chatty) { 9797 if (r == null) { 9798 r = new StringBuilder(256); 9799 } else { 9800 r.append(' '); 9801 } 9802 r.append(a.info.name); 9803 } 9804 } 9805 if (r != null) { 9806 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9807 } 9808 9809 N = pkg.activities.size(); 9810 r = null; 9811 for (i=0; i<N; i++) { 9812 PackageParser.Activity a = pkg.activities.get(i); 9813 mActivities.removeActivity(a, "activity"); 9814 if (DEBUG_REMOVE && chatty) { 9815 if (r == null) { 9816 r = new StringBuilder(256); 9817 } else { 9818 r.append(' '); 9819 } 9820 r.append(a.info.name); 9821 } 9822 } 9823 if (r != null) { 9824 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9825 } 9826 9827 N = pkg.permissions.size(); 9828 r = null; 9829 for (i=0; i<N; i++) { 9830 PackageParser.Permission p = pkg.permissions.get(i); 9831 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9832 if (bp == null) { 9833 bp = mSettings.mPermissionTrees.get(p.info.name); 9834 } 9835 if (bp != null && bp.perm == p) { 9836 bp.perm = null; 9837 if (DEBUG_REMOVE && chatty) { 9838 if (r == null) { 9839 r = new StringBuilder(256); 9840 } else { 9841 r.append(' '); 9842 } 9843 r.append(p.info.name); 9844 } 9845 } 9846 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9847 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9848 if (appOpPkgs != null) { 9849 appOpPkgs.remove(pkg.packageName); 9850 } 9851 } 9852 } 9853 if (r != null) { 9854 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9855 } 9856 9857 N = pkg.requestedPermissions.size(); 9858 r = null; 9859 for (i=0; i<N; i++) { 9860 String perm = pkg.requestedPermissions.get(i); 9861 BasePermission bp = mSettings.mPermissions.get(perm); 9862 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9863 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9864 if (appOpPkgs != null) { 9865 appOpPkgs.remove(pkg.packageName); 9866 if (appOpPkgs.isEmpty()) { 9867 mAppOpPermissionPackages.remove(perm); 9868 } 9869 } 9870 } 9871 } 9872 if (r != null) { 9873 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9874 } 9875 9876 N = pkg.instrumentation.size(); 9877 r = null; 9878 for (i=0; i<N; i++) { 9879 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9880 mInstrumentation.remove(a.getComponentName()); 9881 if (DEBUG_REMOVE && chatty) { 9882 if (r == null) { 9883 r = new StringBuilder(256); 9884 } else { 9885 r.append(' '); 9886 } 9887 r.append(a.info.name); 9888 } 9889 } 9890 if (r != null) { 9891 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9892 } 9893 9894 r = null; 9895 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9896 // Only system apps can hold shared libraries. 9897 if (pkg.libraryNames != null) { 9898 for (i=0; i<pkg.libraryNames.size(); i++) { 9899 String name = pkg.libraryNames.get(i); 9900 SharedLibraryEntry cur = mSharedLibraries.get(name); 9901 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9902 mSharedLibraries.remove(name); 9903 if (DEBUG_REMOVE && chatty) { 9904 if (r == null) { 9905 r = new StringBuilder(256); 9906 } else { 9907 r.append(' '); 9908 } 9909 r.append(name); 9910 } 9911 } 9912 } 9913 } 9914 } 9915 if (r != null) { 9916 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9917 } 9918 } 9919 9920 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9921 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9922 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9923 return true; 9924 } 9925 } 9926 return false; 9927 } 9928 9929 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9930 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9931 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9932 9933 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9934 // Update the parent permissions 9935 updatePermissionsLPw(pkg.packageName, pkg, flags); 9936 // Update the child permissions 9937 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9938 for (int i = 0; i < childCount; i++) { 9939 PackageParser.Package childPkg = pkg.childPackages.get(i); 9940 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9941 } 9942 } 9943 9944 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9945 int flags) { 9946 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9947 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9948 } 9949 9950 private void updatePermissionsLPw(String changingPkg, 9951 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9952 // Make sure there are no dangling permission trees. 9953 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9954 while (it.hasNext()) { 9955 final BasePermission bp = it.next(); 9956 if (bp.packageSetting == null) { 9957 // We may not yet have parsed the package, so just see if 9958 // we still know about its settings. 9959 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9960 } 9961 if (bp.packageSetting == null) { 9962 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9963 + " from package " + bp.sourcePackage); 9964 it.remove(); 9965 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9966 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9967 Slog.i(TAG, "Removing old permission tree: " + bp.name 9968 + " from package " + bp.sourcePackage); 9969 flags |= UPDATE_PERMISSIONS_ALL; 9970 it.remove(); 9971 } 9972 } 9973 } 9974 9975 // Make sure all dynamic permissions have been assigned to a package, 9976 // and make sure there are no dangling permissions. 9977 it = mSettings.mPermissions.values().iterator(); 9978 while (it.hasNext()) { 9979 final BasePermission bp = it.next(); 9980 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9981 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9982 + bp.name + " pkg=" + bp.sourcePackage 9983 + " info=" + bp.pendingInfo); 9984 if (bp.packageSetting == null && bp.pendingInfo != null) { 9985 final BasePermission tree = findPermissionTreeLP(bp.name); 9986 if (tree != null && tree.perm != null) { 9987 bp.packageSetting = tree.packageSetting; 9988 bp.perm = new PackageParser.Permission(tree.perm.owner, 9989 new PermissionInfo(bp.pendingInfo)); 9990 bp.perm.info.packageName = tree.perm.info.packageName; 9991 bp.perm.info.name = bp.name; 9992 bp.uid = tree.uid; 9993 } 9994 } 9995 } 9996 if (bp.packageSetting == null) { 9997 // We may not yet have parsed the package, so just see if 9998 // we still know about its settings. 9999 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 10000 } 10001 if (bp.packageSetting == null) { 10002 Slog.w(TAG, "Removing dangling permission: " + bp.name 10003 + " from package " + bp.sourcePackage); 10004 it.remove(); 10005 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 10006 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 10007 Slog.i(TAG, "Removing old permission: " + bp.name 10008 + " from package " + bp.sourcePackage); 10009 flags |= UPDATE_PERMISSIONS_ALL; 10010 it.remove(); 10011 } 10012 } 10013 } 10014 10015 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 10016 // Now update the permissions for all packages, in particular 10017 // replace the granted permissions of the system packages. 10018 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 10019 for (PackageParser.Package pkg : mPackages.values()) { 10020 if (pkg != pkgInfo) { 10021 // Only replace for packages on requested volume 10022 final String volumeUuid = getVolumeUuidForPackage(pkg); 10023 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 10024 && Objects.equals(replaceVolumeUuid, volumeUuid); 10025 grantPermissionsLPw(pkg, replace, changingPkg); 10026 } 10027 } 10028 } 10029 10030 if (pkgInfo != null) { 10031 // Only replace for packages on requested volume 10032 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 10033 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 10034 && Objects.equals(replaceVolumeUuid, volumeUuid); 10035 grantPermissionsLPw(pkgInfo, replace, changingPkg); 10036 } 10037 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10038 } 10039 10040 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 10041 String packageOfInterest) { 10042 // IMPORTANT: There are two types of permissions: install and runtime. 10043 // Install time permissions are granted when the app is installed to 10044 // all device users and users added in the future. Runtime permissions 10045 // are granted at runtime explicitly to specific users. Normal and signature 10046 // protected permissions are install time permissions. Dangerous permissions 10047 // are install permissions if the app's target SDK is Lollipop MR1 or older, 10048 // otherwise they are runtime permissions. This function does not manage 10049 // runtime permissions except for the case an app targeting Lollipop MR1 10050 // being upgraded to target a newer SDK, in which case dangerous permissions 10051 // are transformed from install time to runtime ones. 10052 10053 final PackageSetting ps = (PackageSetting) pkg.mExtras; 10054 if (ps == null) { 10055 return; 10056 } 10057 10058 PermissionsState permissionsState = ps.getPermissionsState(); 10059 PermissionsState origPermissions = permissionsState; 10060 10061 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 10062 10063 boolean runtimePermissionsRevoked = false; 10064 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 10065 10066 boolean changedInstallPermission = false; 10067 10068 if (replace) { 10069 ps.installPermissionsFixed = false; 10070 if (!ps.isSharedUser()) { 10071 origPermissions = new PermissionsState(permissionsState); 10072 permissionsState.reset(); 10073 } else { 10074 // We need to know only about runtime permission changes since the 10075 // calling code always writes the install permissions state but 10076 // the runtime ones are written only if changed. The only cases of 10077 // changed runtime permissions here are promotion of an install to 10078 // runtime and revocation of a runtime from a shared user. 10079 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 10080 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10081 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10082 runtimePermissionsRevoked = true; 10083 } 10084 } 10085 } 10086 10087 permissionsState.setGlobalGids(mGlobalGids); 10088 10089 final int N = pkg.requestedPermissions.size(); 10090 for (int i=0; i<N; i++) { 10091 final String name = pkg.requestedPermissions.get(i); 10092 final BasePermission bp = mSettings.mPermissions.get(name); 10093 10094 if (DEBUG_INSTALL) { 10095 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10096 } 10097 10098 if (bp == null || bp.packageSetting == null) { 10099 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10100 Slog.w(TAG, "Unknown permission " + name 10101 + " in package " + pkg.packageName); 10102 } 10103 continue; 10104 } 10105 10106 10107 // Limit ephemeral apps to ephemeral allowed permissions. 10108 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 10109 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 10110 + pkg.packageName); 10111 continue; 10112 } 10113 10114 final String perm = bp.name; 10115 boolean allowedSig = false; 10116 int grant = GRANT_DENIED; 10117 10118 // Keep track of app op permissions. 10119 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10120 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10121 if (pkgs == null) { 10122 pkgs = new ArraySet<>(); 10123 mAppOpPermissionPackages.put(bp.name, pkgs); 10124 } 10125 pkgs.add(pkg.packageName); 10126 } 10127 10128 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10129 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10130 >= Build.VERSION_CODES.M; 10131 switch (level) { 10132 case PermissionInfo.PROTECTION_NORMAL: { 10133 // For all apps normal permissions are install time ones. 10134 grant = GRANT_INSTALL; 10135 } break; 10136 10137 case PermissionInfo.PROTECTION_DANGEROUS: { 10138 // If a permission review is required for legacy apps we represent 10139 // their permissions as always granted runtime ones since we need 10140 // to keep the review required permission flag per user while an 10141 // install permission's state is shared across all users. 10142 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 10143 // For legacy apps dangerous permissions are install time ones. 10144 grant = GRANT_INSTALL; 10145 } else if (origPermissions.hasInstallPermission(bp.name)) { 10146 // For legacy apps that became modern, install becomes runtime. 10147 grant = GRANT_UPGRADE; 10148 } else if (mPromoteSystemApps 10149 && isSystemApp(ps) 10150 && mExistingSystemPackages.contains(ps.name)) { 10151 // For legacy system apps, install becomes runtime. 10152 // We cannot check hasInstallPermission() for system apps since those 10153 // permissions were granted implicitly and not persisted pre-M. 10154 grant = GRANT_UPGRADE; 10155 } else { 10156 // For modern apps keep runtime permissions unchanged. 10157 grant = GRANT_RUNTIME; 10158 } 10159 } break; 10160 10161 case PermissionInfo.PROTECTION_SIGNATURE: { 10162 // For all apps signature permissions are install time ones. 10163 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10164 if (allowedSig) { 10165 grant = GRANT_INSTALL; 10166 } 10167 } break; 10168 } 10169 10170 if (DEBUG_INSTALL) { 10171 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10172 } 10173 10174 if (grant != GRANT_DENIED) { 10175 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10176 // If this is an existing, non-system package, then 10177 // we can't add any new permissions to it. 10178 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10179 // Except... if this is a permission that was added 10180 // to the platform (note: need to only do this when 10181 // updating the platform). 10182 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10183 grant = GRANT_DENIED; 10184 } 10185 } 10186 } 10187 10188 switch (grant) { 10189 case GRANT_INSTALL: { 10190 // Revoke this as runtime permission to handle the case of 10191 // a runtime permission being downgraded to an install one. 10192 // Also in permission review mode we keep dangerous permissions 10193 // for legacy apps 10194 for (int userId : UserManagerService.getInstance().getUserIds()) { 10195 if (origPermissions.getRuntimePermissionState( 10196 bp.name, userId) != null) { 10197 // Revoke the runtime permission and clear the flags. 10198 origPermissions.revokeRuntimePermission(bp, userId); 10199 origPermissions.updatePermissionFlags(bp, userId, 10200 PackageManager.MASK_PERMISSION_FLAGS, 0); 10201 // If we revoked a permission permission, we have to write. 10202 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10203 changedRuntimePermissionUserIds, userId); 10204 } 10205 } 10206 // Grant an install permission. 10207 if (permissionsState.grantInstallPermission(bp) != 10208 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10209 changedInstallPermission = true; 10210 } 10211 } break; 10212 10213 case GRANT_RUNTIME: { 10214 // Grant previously granted runtime permissions. 10215 for (int userId : UserManagerService.getInstance().getUserIds()) { 10216 PermissionState permissionState = origPermissions 10217 .getRuntimePermissionState(bp.name, userId); 10218 int flags = permissionState != null 10219 ? permissionState.getFlags() : 0; 10220 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10221 if (permissionsState.grantRuntimePermission(bp, userId) == 10222 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10223 // If we cannot put the permission as it was, we have to write. 10224 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10225 changedRuntimePermissionUserIds, userId); 10226 } 10227 // If the app supports runtime permissions no need for a review. 10228 if (mPermissionReviewRequired 10229 && appSupportsRuntimePermissions 10230 && (flags & PackageManager 10231 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10232 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10233 // Since we changed the flags, we have to write. 10234 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10235 changedRuntimePermissionUserIds, userId); 10236 } 10237 } else if (mPermissionReviewRequired 10238 && !appSupportsRuntimePermissions) { 10239 // For legacy apps that need a permission review, every new 10240 // runtime permission is granted but it is pending a review. 10241 // We also need to review only platform defined runtime 10242 // permissions as these are the only ones the platform knows 10243 // how to disable the API to simulate revocation as legacy 10244 // apps don't expect to run with revoked permissions. 10245 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10246 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10247 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10248 // We changed the flags, hence have to write. 10249 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10250 changedRuntimePermissionUserIds, userId); 10251 } 10252 } 10253 if (permissionsState.grantRuntimePermission(bp, userId) 10254 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10255 // We changed the permission, hence have to write. 10256 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10257 changedRuntimePermissionUserIds, userId); 10258 } 10259 } 10260 // Propagate the permission flags. 10261 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10262 } 10263 } break; 10264 10265 case GRANT_UPGRADE: { 10266 // Grant runtime permissions for a previously held install permission. 10267 PermissionState permissionState = origPermissions 10268 .getInstallPermissionState(bp.name); 10269 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10270 10271 if (origPermissions.revokeInstallPermission(bp) 10272 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10273 // We will be transferring the permission flags, so clear them. 10274 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10275 PackageManager.MASK_PERMISSION_FLAGS, 0); 10276 changedInstallPermission = true; 10277 } 10278 10279 // If the permission is not to be promoted to runtime we ignore it and 10280 // also its other flags as they are not applicable to install permissions. 10281 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10282 for (int userId : currentUserIds) { 10283 if (permissionsState.grantRuntimePermission(bp, userId) != 10284 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10285 // Transfer the permission flags. 10286 permissionsState.updatePermissionFlags(bp, userId, 10287 flags, flags); 10288 // If we granted the permission, we have to write. 10289 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10290 changedRuntimePermissionUserIds, userId); 10291 } 10292 } 10293 } 10294 } break; 10295 10296 default: { 10297 if (packageOfInterest == null 10298 || packageOfInterest.equals(pkg.packageName)) { 10299 Slog.w(TAG, "Not granting permission " + perm 10300 + " to package " + pkg.packageName 10301 + " because it was previously installed without"); 10302 } 10303 } break; 10304 } 10305 } else { 10306 if (permissionsState.revokeInstallPermission(bp) != 10307 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10308 // Also drop the permission flags. 10309 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10310 PackageManager.MASK_PERMISSION_FLAGS, 0); 10311 changedInstallPermission = true; 10312 Slog.i(TAG, "Un-granting permission " + perm 10313 + " from package " + pkg.packageName 10314 + " (protectionLevel=" + bp.protectionLevel 10315 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10316 + ")"); 10317 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10318 // Don't print warning for app op permissions, since it is fine for them 10319 // not to be granted, there is a UI for the user to decide. 10320 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10321 Slog.w(TAG, "Not granting permission " + perm 10322 + " to package " + pkg.packageName 10323 + " (protectionLevel=" + bp.protectionLevel 10324 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10325 + ")"); 10326 } 10327 } 10328 } 10329 } 10330 10331 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10332 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10333 // This is the first that we have heard about this package, so the 10334 // permissions we have now selected are fixed until explicitly 10335 // changed. 10336 ps.installPermissionsFixed = true; 10337 } 10338 10339 // Persist the runtime permissions state for users with changes. If permissions 10340 // were revoked because no app in the shared user declares them we have to 10341 // write synchronously to avoid losing runtime permissions state. 10342 for (int userId : changedRuntimePermissionUserIds) { 10343 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10344 } 10345 } 10346 10347 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10348 boolean allowed = false; 10349 final int NP = PackageParser.NEW_PERMISSIONS.length; 10350 for (int ip=0; ip<NP; ip++) { 10351 final PackageParser.NewPermissionInfo npi 10352 = PackageParser.NEW_PERMISSIONS[ip]; 10353 if (npi.name.equals(perm) 10354 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10355 allowed = true; 10356 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10357 + pkg.packageName); 10358 break; 10359 } 10360 } 10361 return allowed; 10362 } 10363 10364 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10365 BasePermission bp, PermissionsState origPermissions) { 10366 boolean privilegedPermission = (bp.protectionLevel 10367 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 10368 boolean controlPrivappPermissions = RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS; 10369 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 10370 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 10371 if (controlPrivappPermissions && privilegedPermission && pkg.isPrivilegedApp() 10372 && !platformPackage && platformPermission) { 10373 ArraySet<String> wlPermissions = SystemConfig.getInstance() 10374 .getPrivAppPermissions(pkg.packageName); 10375 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 10376 if (!whitelisted) { 10377 // Log for now. TODO Enforce permissions 10378 Slog.w(TAG, "Privileged permission " + perm + " for package " 10379 + pkg.packageName + " - not in privapp-permissions whitelist"); 10380 } 10381 } 10382 boolean allowed = (compareSignatures( 10383 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10384 == PackageManager.SIGNATURE_MATCH) 10385 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10386 == PackageManager.SIGNATURE_MATCH); 10387 if (!allowed && privilegedPermission) { 10388 if (isSystemApp(pkg)) { 10389 // For updated system applications, a system permission 10390 // is granted only if it had been defined by the original application. 10391 if (pkg.isUpdatedSystemApp()) { 10392 final PackageSetting sysPs = mSettings 10393 .getDisabledSystemPkgLPr(pkg.packageName); 10394 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10395 // If the original was granted this permission, we take 10396 // that grant decision as read and propagate it to the 10397 // update. 10398 if (sysPs.isPrivileged()) { 10399 allowed = true; 10400 } 10401 } else { 10402 // The system apk may have been updated with an older 10403 // version of the one on the data partition, but which 10404 // granted a new system permission that it didn't have 10405 // before. In this case we do want to allow the app to 10406 // now get the new permission if the ancestral apk is 10407 // privileged to get it. 10408 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10409 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10410 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10411 allowed = true; 10412 break; 10413 } 10414 } 10415 } 10416 // Also if a privileged parent package on the system image or any of 10417 // its children requested a privileged permission, the updated child 10418 // packages can also get the permission. 10419 if (pkg.parentPackage != null) { 10420 final PackageSetting disabledSysParentPs = mSettings 10421 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10422 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10423 && disabledSysParentPs.isPrivileged()) { 10424 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10425 allowed = true; 10426 } else if (disabledSysParentPs.pkg.childPackages != null) { 10427 final int count = disabledSysParentPs.pkg.childPackages.size(); 10428 for (int i = 0; i < count; i++) { 10429 PackageParser.Package disabledSysChildPkg = 10430 disabledSysParentPs.pkg.childPackages.get(i); 10431 if (isPackageRequestingPermission(disabledSysChildPkg, 10432 perm)) { 10433 allowed = true; 10434 break; 10435 } 10436 } 10437 } 10438 } 10439 } 10440 } 10441 } else { 10442 allowed = isPrivilegedApp(pkg); 10443 } 10444 } 10445 } 10446 if (!allowed) { 10447 if (!allowed && (bp.protectionLevel 10448 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10449 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10450 // If this was a previously normal/dangerous permission that got moved 10451 // to a system permission as part of the runtime permission redesign, then 10452 // we still want to blindly grant it to old apps. 10453 allowed = true; 10454 } 10455 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10456 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10457 // If this permission is to be granted to the system installer and 10458 // this app is an installer, then it gets the permission. 10459 allowed = true; 10460 } 10461 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10462 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10463 // If this permission is to be granted to the system verifier and 10464 // this app is a verifier, then it gets the permission. 10465 allowed = true; 10466 } 10467 if (!allowed && (bp.protectionLevel 10468 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10469 && isSystemApp(pkg)) { 10470 // Any pre-installed system app is allowed to get this permission. 10471 allowed = true; 10472 } 10473 if (!allowed && (bp.protectionLevel 10474 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10475 // For development permissions, a development permission 10476 // is granted only if it was already granted. 10477 allowed = origPermissions.hasInstallPermission(perm); 10478 } 10479 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10480 && pkg.packageName.equals(mSetupWizardPackage)) { 10481 // If this permission is to be granted to the system setup wizard and 10482 // this app is a setup wizard, then it gets the permission. 10483 allowed = true; 10484 } 10485 } 10486 return allowed; 10487 } 10488 10489 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10490 final int permCount = pkg.requestedPermissions.size(); 10491 for (int j = 0; j < permCount; j++) { 10492 String requestedPermission = pkg.requestedPermissions.get(j); 10493 if (permission.equals(requestedPermission)) { 10494 return true; 10495 } 10496 } 10497 return false; 10498 } 10499 10500 final class ActivityIntentResolver 10501 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10502 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10503 boolean defaultOnly, int userId) { 10504 if (!sUserManager.exists(userId)) return null; 10505 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10506 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10507 } 10508 10509 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10510 int userId) { 10511 if (!sUserManager.exists(userId)) return null; 10512 mFlags = flags; 10513 return super.queryIntent(intent, resolvedType, 10514 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10515 } 10516 10517 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10518 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10519 if (!sUserManager.exists(userId)) return null; 10520 if (packageActivities == null) { 10521 return null; 10522 } 10523 mFlags = flags; 10524 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10525 final int N = packageActivities.size(); 10526 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10527 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10528 10529 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10530 for (int i = 0; i < N; ++i) { 10531 intentFilters = packageActivities.get(i).intents; 10532 if (intentFilters != null && intentFilters.size() > 0) { 10533 PackageParser.ActivityIntentInfo[] array = 10534 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10535 intentFilters.toArray(array); 10536 listCut.add(array); 10537 } 10538 } 10539 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10540 } 10541 10542 /** 10543 * Finds a privileged activity that matches the specified activity names. 10544 */ 10545 private PackageParser.Activity findMatchingActivity( 10546 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10547 for (PackageParser.Activity sysActivity : activityList) { 10548 if (sysActivity.info.name.equals(activityInfo.name)) { 10549 return sysActivity; 10550 } 10551 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10552 return sysActivity; 10553 } 10554 if (sysActivity.info.targetActivity != null) { 10555 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10556 return sysActivity; 10557 } 10558 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10559 return sysActivity; 10560 } 10561 } 10562 } 10563 return null; 10564 } 10565 10566 public class IterGenerator<E> { 10567 public Iterator<E> generate(ActivityIntentInfo info) { 10568 return null; 10569 } 10570 } 10571 10572 public class ActionIterGenerator extends IterGenerator<String> { 10573 @Override 10574 public Iterator<String> generate(ActivityIntentInfo info) { 10575 return info.actionsIterator(); 10576 } 10577 } 10578 10579 public class CategoriesIterGenerator extends IterGenerator<String> { 10580 @Override 10581 public Iterator<String> generate(ActivityIntentInfo info) { 10582 return info.categoriesIterator(); 10583 } 10584 } 10585 10586 public class SchemesIterGenerator extends IterGenerator<String> { 10587 @Override 10588 public Iterator<String> generate(ActivityIntentInfo info) { 10589 return info.schemesIterator(); 10590 } 10591 } 10592 10593 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10594 @Override 10595 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10596 return info.authoritiesIterator(); 10597 } 10598 } 10599 10600 /** 10601 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10602 * MODIFIED. Do not pass in a list that should not be changed. 10603 */ 10604 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10605 IterGenerator<T> generator, Iterator<T> searchIterator) { 10606 // loop through the set of actions; every one must be found in the intent filter 10607 while (searchIterator.hasNext()) { 10608 // we must have at least one filter in the list to consider a match 10609 if (intentList.size() == 0) { 10610 break; 10611 } 10612 10613 final T searchAction = searchIterator.next(); 10614 10615 // loop through the set of intent filters 10616 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10617 while (intentIter.hasNext()) { 10618 final ActivityIntentInfo intentInfo = intentIter.next(); 10619 boolean selectionFound = false; 10620 10621 // loop through the intent filter's selection criteria; at least one 10622 // of them must match the searched criteria 10623 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10624 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10625 final T intentSelection = intentSelectionIter.next(); 10626 if (intentSelection != null && intentSelection.equals(searchAction)) { 10627 selectionFound = true; 10628 break; 10629 } 10630 } 10631 10632 // the selection criteria wasn't found in this filter's set; this filter 10633 // is not a potential match 10634 if (!selectionFound) { 10635 intentIter.remove(); 10636 } 10637 } 10638 } 10639 } 10640 10641 private boolean isProtectedAction(ActivityIntentInfo filter) { 10642 final Iterator<String> actionsIter = filter.actionsIterator(); 10643 while (actionsIter != null && actionsIter.hasNext()) { 10644 final String filterAction = actionsIter.next(); 10645 if (PROTECTED_ACTIONS.contains(filterAction)) { 10646 return true; 10647 } 10648 } 10649 return false; 10650 } 10651 10652 /** 10653 * Adjusts the priority of the given intent filter according to policy. 10654 * <p> 10655 * <ul> 10656 * <li>The priority for non privileged applications is capped to '0'</li> 10657 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10658 * <li>The priority for unbundled updates to privileged applications is capped to the 10659 * priority defined on the system partition</li> 10660 * </ul> 10661 * <p> 10662 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10663 * allowed to obtain any priority on any action. 10664 */ 10665 private void adjustPriority( 10666 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10667 // nothing to do; priority is fine as-is 10668 if (intent.getPriority() <= 0) { 10669 return; 10670 } 10671 10672 final ActivityInfo activityInfo = intent.activity.info; 10673 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10674 10675 final boolean privilegedApp = 10676 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10677 if (!privilegedApp) { 10678 // non-privileged applications can never define a priority >0 10679 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10680 + " package: " + applicationInfo.packageName 10681 + " activity: " + intent.activity.className 10682 + " origPrio: " + intent.getPriority()); 10683 intent.setPriority(0); 10684 return; 10685 } 10686 10687 if (systemActivities == null) { 10688 // the system package is not disabled; we're parsing the system partition 10689 if (isProtectedAction(intent)) { 10690 if (mDeferProtectedFilters) { 10691 // We can't deal with these just yet. No component should ever obtain a 10692 // >0 priority for a protected actions, with ONE exception -- the setup 10693 // wizard. The setup wizard, however, cannot be known until we're able to 10694 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10695 // until all intent filters have been processed. Chicken, meet egg. 10696 // Let the filter temporarily have a high priority and rectify the 10697 // priorities after all system packages have been scanned. 10698 mProtectedFilters.add(intent); 10699 if (DEBUG_FILTERS) { 10700 Slog.i(TAG, "Protected action; save for later;" 10701 + " package: " + applicationInfo.packageName 10702 + " activity: " + intent.activity.className 10703 + " origPrio: " + intent.getPriority()); 10704 } 10705 return; 10706 } else { 10707 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10708 Slog.i(TAG, "No setup wizard;" 10709 + " All protected intents capped to priority 0"); 10710 } 10711 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10712 if (DEBUG_FILTERS) { 10713 Slog.i(TAG, "Found setup wizard;" 10714 + " allow priority " + intent.getPriority() + ";" 10715 + " package: " + intent.activity.info.packageName 10716 + " activity: " + intent.activity.className 10717 + " priority: " + intent.getPriority()); 10718 } 10719 // setup wizard gets whatever it wants 10720 return; 10721 } 10722 Slog.w(TAG, "Protected action; cap priority to 0;" 10723 + " package: " + intent.activity.info.packageName 10724 + " activity: " + intent.activity.className 10725 + " origPrio: " + intent.getPriority()); 10726 intent.setPriority(0); 10727 return; 10728 } 10729 } 10730 // privileged apps on the system image get whatever priority they request 10731 return; 10732 } 10733 10734 // privileged app unbundled update ... try to find the same activity 10735 final PackageParser.Activity foundActivity = 10736 findMatchingActivity(systemActivities, activityInfo); 10737 if (foundActivity == null) { 10738 // this is a new activity; it cannot obtain >0 priority 10739 if (DEBUG_FILTERS) { 10740 Slog.i(TAG, "New activity; cap priority to 0;" 10741 + " package: " + applicationInfo.packageName 10742 + " activity: " + intent.activity.className 10743 + " origPrio: " + intent.getPriority()); 10744 } 10745 intent.setPriority(0); 10746 return; 10747 } 10748 10749 // found activity, now check for filter equivalence 10750 10751 // a shallow copy is enough; we modify the list, not its contents 10752 final List<ActivityIntentInfo> intentListCopy = 10753 new ArrayList<>(foundActivity.intents); 10754 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10755 10756 // find matching action subsets 10757 final Iterator<String> actionsIterator = intent.actionsIterator(); 10758 if (actionsIterator != null) { 10759 getIntentListSubset( 10760 intentListCopy, new ActionIterGenerator(), actionsIterator); 10761 if (intentListCopy.size() == 0) { 10762 // no more intents to match; we're not equivalent 10763 if (DEBUG_FILTERS) { 10764 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10765 + " package: " + applicationInfo.packageName 10766 + " activity: " + intent.activity.className 10767 + " origPrio: " + intent.getPriority()); 10768 } 10769 intent.setPriority(0); 10770 return; 10771 } 10772 } 10773 10774 // find matching category subsets 10775 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10776 if (categoriesIterator != null) { 10777 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10778 categoriesIterator); 10779 if (intentListCopy.size() == 0) { 10780 // no more intents to match; we're not equivalent 10781 if (DEBUG_FILTERS) { 10782 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10783 + " package: " + applicationInfo.packageName 10784 + " activity: " + intent.activity.className 10785 + " origPrio: " + intent.getPriority()); 10786 } 10787 intent.setPriority(0); 10788 return; 10789 } 10790 } 10791 10792 // find matching schemes subsets 10793 final Iterator<String> schemesIterator = intent.schemesIterator(); 10794 if (schemesIterator != null) { 10795 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10796 schemesIterator); 10797 if (intentListCopy.size() == 0) { 10798 // no more intents to match; we're not equivalent 10799 if (DEBUG_FILTERS) { 10800 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10801 + " package: " + applicationInfo.packageName 10802 + " activity: " + intent.activity.className 10803 + " origPrio: " + intent.getPriority()); 10804 } 10805 intent.setPriority(0); 10806 return; 10807 } 10808 } 10809 10810 // find matching authorities subsets 10811 final Iterator<IntentFilter.AuthorityEntry> 10812 authoritiesIterator = intent.authoritiesIterator(); 10813 if (authoritiesIterator != null) { 10814 getIntentListSubset(intentListCopy, 10815 new AuthoritiesIterGenerator(), 10816 authoritiesIterator); 10817 if (intentListCopy.size() == 0) { 10818 // no more intents to match; we're not equivalent 10819 if (DEBUG_FILTERS) { 10820 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10821 + " package: " + applicationInfo.packageName 10822 + " activity: " + intent.activity.className 10823 + " origPrio: " + intent.getPriority()); 10824 } 10825 intent.setPriority(0); 10826 return; 10827 } 10828 } 10829 10830 // we found matching filter(s); app gets the max priority of all intents 10831 int cappedPriority = 0; 10832 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10833 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10834 } 10835 if (intent.getPriority() > cappedPriority) { 10836 if (DEBUG_FILTERS) { 10837 Slog.i(TAG, "Found matching filter(s);" 10838 + " cap priority to " + cappedPriority + ";" 10839 + " package: " + applicationInfo.packageName 10840 + " activity: " + intent.activity.className 10841 + " origPrio: " + intent.getPriority()); 10842 } 10843 intent.setPriority(cappedPriority); 10844 return; 10845 } 10846 // all this for nothing; the requested priority was <= what was on the system 10847 } 10848 10849 public final void addActivity(PackageParser.Activity a, String type) { 10850 mActivities.put(a.getComponentName(), a); 10851 if (DEBUG_SHOW_INFO) 10852 Log.v( 10853 TAG, " " + type + " " + 10854 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10855 if (DEBUG_SHOW_INFO) 10856 Log.v(TAG, " Class=" + a.info.name); 10857 final int NI = a.intents.size(); 10858 for (int j=0; j<NI; j++) { 10859 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10860 if ("activity".equals(type)) { 10861 final PackageSetting ps = 10862 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10863 final List<PackageParser.Activity> systemActivities = 10864 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10865 adjustPriority(systemActivities, intent); 10866 } 10867 if (DEBUG_SHOW_INFO) { 10868 Log.v(TAG, " IntentFilter:"); 10869 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10870 } 10871 if (!intent.debugCheck()) { 10872 Log.w(TAG, "==> For Activity " + a.info.name); 10873 } 10874 addFilter(intent); 10875 } 10876 } 10877 10878 public final void removeActivity(PackageParser.Activity a, String type) { 10879 mActivities.remove(a.getComponentName()); 10880 if (DEBUG_SHOW_INFO) { 10881 Log.v(TAG, " " + type + " " 10882 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10883 : a.info.name) + ":"); 10884 Log.v(TAG, " Class=" + a.info.name); 10885 } 10886 final int NI = a.intents.size(); 10887 for (int j=0; j<NI; j++) { 10888 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10889 if (DEBUG_SHOW_INFO) { 10890 Log.v(TAG, " IntentFilter:"); 10891 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10892 } 10893 removeFilter(intent); 10894 } 10895 } 10896 10897 @Override 10898 protected boolean allowFilterResult( 10899 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10900 ActivityInfo filterAi = filter.activity.info; 10901 for (int i=dest.size()-1; i>=0; i--) { 10902 ActivityInfo destAi = dest.get(i).activityInfo; 10903 if (destAi.name == filterAi.name 10904 && destAi.packageName == filterAi.packageName) { 10905 return false; 10906 } 10907 } 10908 return true; 10909 } 10910 10911 @Override 10912 protected ActivityIntentInfo[] newArray(int size) { 10913 return new ActivityIntentInfo[size]; 10914 } 10915 10916 @Override 10917 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10918 if (!sUserManager.exists(userId)) return true; 10919 PackageParser.Package p = filter.activity.owner; 10920 if (p != null) { 10921 PackageSetting ps = (PackageSetting)p.mExtras; 10922 if (ps != null) { 10923 // System apps are never considered stopped for purposes of 10924 // filtering, because there may be no way for the user to 10925 // actually re-launch them. 10926 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10927 && ps.getStopped(userId); 10928 } 10929 } 10930 return false; 10931 } 10932 10933 @Override 10934 protected boolean isPackageForFilter(String packageName, 10935 PackageParser.ActivityIntentInfo info) { 10936 return packageName.equals(info.activity.owner.packageName); 10937 } 10938 10939 @Override 10940 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10941 int match, int userId) { 10942 if (!sUserManager.exists(userId)) return null; 10943 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10944 return null; 10945 } 10946 final PackageParser.Activity activity = info.activity; 10947 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10948 if (ps == null) { 10949 return null; 10950 } 10951 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10952 ps.readUserState(userId), userId); 10953 if (ai == null) { 10954 return null; 10955 } 10956 final ResolveInfo res = new ResolveInfo(); 10957 res.activityInfo = ai; 10958 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10959 res.filter = info; 10960 } 10961 if (info != null) { 10962 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10963 } 10964 res.priority = info.getPriority(); 10965 res.preferredOrder = activity.owner.mPreferredOrder; 10966 //System.out.println("Result: " + res.activityInfo.className + 10967 // " = " + res.priority); 10968 res.match = match; 10969 res.isDefault = info.hasDefault; 10970 res.labelRes = info.labelRes; 10971 res.nonLocalizedLabel = info.nonLocalizedLabel; 10972 if (userNeedsBadging(userId)) { 10973 res.noResourceId = true; 10974 } else { 10975 res.icon = info.icon; 10976 } 10977 res.iconResourceId = info.icon; 10978 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10979 return res; 10980 } 10981 10982 @Override 10983 protected void sortResults(List<ResolveInfo> results) { 10984 Collections.sort(results, mResolvePrioritySorter); 10985 } 10986 10987 @Override 10988 protected void dumpFilter(PrintWriter out, String prefix, 10989 PackageParser.ActivityIntentInfo filter) { 10990 out.print(prefix); out.print( 10991 Integer.toHexString(System.identityHashCode(filter.activity))); 10992 out.print(' '); 10993 filter.activity.printComponentShortName(out); 10994 out.print(" filter "); 10995 out.println(Integer.toHexString(System.identityHashCode(filter))); 10996 } 10997 10998 @Override 10999 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 11000 return filter.activity; 11001 } 11002 11003 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11004 PackageParser.Activity activity = (PackageParser.Activity)label; 11005 out.print(prefix); out.print( 11006 Integer.toHexString(System.identityHashCode(activity))); 11007 out.print(' '); 11008 activity.printComponentShortName(out); 11009 if (count > 1) { 11010 out.print(" ("); out.print(count); out.print(" filters)"); 11011 } 11012 out.println(); 11013 } 11014 11015 // Keys are String (activity class name), values are Activity. 11016 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 11017 = new ArrayMap<ComponentName, PackageParser.Activity>(); 11018 private int mFlags; 11019 } 11020 11021 private final class ServiceIntentResolver 11022 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 11023 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11024 boolean defaultOnly, int userId) { 11025 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11026 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11027 } 11028 11029 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11030 int userId) { 11031 if (!sUserManager.exists(userId)) return null; 11032 mFlags = flags; 11033 return super.queryIntent(intent, resolvedType, 11034 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11035 } 11036 11037 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11038 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 11039 if (!sUserManager.exists(userId)) return null; 11040 if (packageServices == null) { 11041 return null; 11042 } 11043 mFlags = flags; 11044 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 11045 final int N = packageServices.size(); 11046 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 11047 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 11048 11049 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 11050 for (int i = 0; i < N; ++i) { 11051 intentFilters = packageServices.get(i).intents; 11052 if (intentFilters != null && intentFilters.size() > 0) { 11053 PackageParser.ServiceIntentInfo[] array = 11054 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 11055 intentFilters.toArray(array); 11056 listCut.add(array); 11057 } 11058 } 11059 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11060 } 11061 11062 public final void addService(PackageParser.Service s) { 11063 mServices.put(s.getComponentName(), s); 11064 if (DEBUG_SHOW_INFO) { 11065 Log.v(TAG, " " 11066 + (s.info.nonLocalizedLabel != null 11067 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11068 Log.v(TAG, " Class=" + s.info.name); 11069 } 11070 final int NI = s.intents.size(); 11071 int j; 11072 for (j=0; j<NI; j++) { 11073 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11074 if (DEBUG_SHOW_INFO) { 11075 Log.v(TAG, " IntentFilter:"); 11076 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11077 } 11078 if (!intent.debugCheck()) { 11079 Log.w(TAG, "==> For Service " + s.info.name); 11080 } 11081 addFilter(intent); 11082 } 11083 } 11084 11085 public final void removeService(PackageParser.Service s) { 11086 mServices.remove(s.getComponentName()); 11087 if (DEBUG_SHOW_INFO) { 11088 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 11089 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11090 Log.v(TAG, " Class=" + s.info.name); 11091 } 11092 final int NI = s.intents.size(); 11093 int j; 11094 for (j=0; j<NI; j++) { 11095 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11096 if (DEBUG_SHOW_INFO) { 11097 Log.v(TAG, " IntentFilter:"); 11098 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11099 } 11100 removeFilter(intent); 11101 } 11102 } 11103 11104 @Override 11105 protected boolean allowFilterResult( 11106 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11107 ServiceInfo filterSi = filter.service.info; 11108 for (int i=dest.size()-1; i>=0; i--) { 11109 ServiceInfo destAi = dest.get(i).serviceInfo; 11110 if (destAi.name == filterSi.name 11111 && destAi.packageName == filterSi.packageName) { 11112 return false; 11113 } 11114 } 11115 return true; 11116 } 11117 11118 @Override 11119 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11120 return new PackageParser.ServiceIntentInfo[size]; 11121 } 11122 11123 @Override 11124 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11125 if (!sUserManager.exists(userId)) return true; 11126 PackageParser.Package p = filter.service.owner; 11127 if (p != null) { 11128 PackageSetting ps = (PackageSetting)p.mExtras; 11129 if (ps != null) { 11130 // System apps are never considered stopped for purposes of 11131 // filtering, because there may be no way for the user to 11132 // actually re-launch them. 11133 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11134 && ps.getStopped(userId); 11135 } 11136 } 11137 return false; 11138 } 11139 11140 @Override 11141 protected boolean isPackageForFilter(String packageName, 11142 PackageParser.ServiceIntentInfo info) { 11143 return packageName.equals(info.service.owner.packageName); 11144 } 11145 11146 @Override 11147 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11148 int match, int userId) { 11149 if (!sUserManager.exists(userId)) return null; 11150 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11151 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11152 return null; 11153 } 11154 final PackageParser.Service service = info.service; 11155 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11156 if (ps == null) { 11157 return null; 11158 } 11159 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11160 ps.readUserState(userId), userId); 11161 if (si == null) { 11162 return null; 11163 } 11164 final ResolveInfo res = new ResolveInfo(); 11165 res.serviceInfo = si; 11166 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11167 res.filter = filter; 11168 } 11169 res.priority = info.getPriority(); 11170 res.preferredOrder = service.owner.mPreferredOrder; 11171 res.match = match; 11172 res.isDefault = info.hasDefault; 11173 res.labelRes = info.labelRes; 11174 res.nonLocalizedLabel = info.nonLocalizedLabel; 11175 res.icon = info.icon; 11176 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11177 return res; 11178 } 11179 11180 @Override 11181 protected void sortResults(List<ResolveInfo> results) { 11182 Collections.sort(results, mResolvePrioritySorter); 11183 } 11184 11185 @Override 11186 protected void dumpFilter(PrintWriter out, String prefix, 11187 PackageParser.ServiceIntentInfo filter) { 11188 out.print(prefix); out.print( 11189 Integer.toHexString(System.identityHashCode(filter.service))); 11190 out.print(' '); 11191 filter.service.printComponentShortName(out); 11192 out.print(" filter "); 11193 out.println(Integer.toHexString(System.identityHashCode(filter))); 11194 } 11195 11196 @Override 11197 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11198 return filter.service; 11199 } 11200 11201 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11202 PackageParser.Service service = (PackageParser.Service)label; 11203 out.print(prefix); out.print( 11204 Integer.toHexString(System.identityHashCode(service))); 11205 out.print(' '); 11206 service.printComponentShortName(out); 11207 if (count > 1) { 11208 out.print(" ("); out.print(count); out.print(" filters)"); 11209 } 11210 out.println(); 11211 } 11212 11213// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11214// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11215// final List<ResolveInfo> retList = Lists.newArrayList(); 11216// while (i.hasNext()) { 11217// final ResolveInfo resolveInfo = (ResolveInfo) i; 11218// if (isEnabledLP(resolveInfo.serviceInfo)) { 11219// retList.add(resolveInfo); 11220// } 11221// } 11222// return retList; 11223// } 11224 11225 // Keys are String (activity class name), values are Activity. 11226 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11227 = new ArrayMap<ComponentName, PackageParser.Service>(); 11228 private int mFlags; 11229 }; 11230 11231 private final class ProviderIntentResolver 11232 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11233 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11234 boolean defaultOnly, int userId) { 11235 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11236 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11237 } 11238 11239 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11240 int userId) { 11241 if (!sUserManager.exists(userId)) 11242 return null; 11243 mFlags = flags; 11244 return super.queryIntent(intent, resolvedType, 11245 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11246 } 11247 11248 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11249 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11250 if (!sUserManager.exists(userId)) 11251 return null; 11252 if (packageProviders == null) { 11253 return null; 11254 } 11255 mFlags = flags; 11256 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11257 final int N = packageProviders.size(); 11258 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11259 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11260 11261 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11262 for (int i = 0; i < N; ++i) { 11263 intentFilters = packageProviders.get(i).intents; 11264 if (intentFilters != null && intentFilters.size() > 0) { 11265 PackageParser.ProviderIntentInfo[] array = 11266 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11267 intentFilters.toArray(array); 11268 listCut.add(array); 11269 } 11270 } 11271 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11272 } 11273 11274 public final void addProvider(PackageParser.Provider p) { 11275 if (mProviders.containsKey(p.getComponentName())) { 11276 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11277 return; 11278 } 11279 11280 mProviders.put(p.getComponentName(), p); 11281 if (DEBUG_SHOW_INFO) { 11282 Log.v(TAG, " " 11283 + (p.info.nonLocalizedLabel != null 11284 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11285 Log.v(TAG, " Class=" + p.info.name); 11286 } 11287 final int NI = p.intents.size(); 11288 int j; 11289 for (j = 0; j < NI; j++) { 11290 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11291 if (DEBUG_SHOW_INFO) { 11292 Log.v(TAG, " IntentFilter:"); 11293 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11294 } 11295 if (!intent.debugCheck()) { 11296 Log.w(TAG, "==> For Provider " + p.info.name); 11297 } 11298 addFilter(intent); 11299 } 11300 } 11301 11302 public final void removeProvider(PackageParser.Provider p) { 11303 mProviders.remove(p.getComponentName()); 11304 if (DEBUG_SHOW_INFO) { 11305 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11306 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11307 Log.v(TAG, " Class=" + p.info.name); 11308 } 11309 final int NI = p.intents.size(); 11310 int j; 11311 for (j = 0; j < NI; j++) { 11312 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11313 if (DEBUG_SHOW_INFO) { 11314 Log.v(TAG, " IntentFilter:"); 11315 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11316 } 11317 removeFilter(intent); 11318 } 11319 } 11320 11321 @Override 11322 protected boolean allowFilterResult( 11323 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11324 ProviderInfo filterPi = filter.provider.info; 11325 for (int i = dest.size() - 1; i >= 0; i--) { 11326 ProviderInfo destPi = dest.get(i).providerInfo; 11327 if (destPi.name == filterPi.name 11328 && destPi.packageName == filterPi.packageName) { 11329 return false; 11330 } 11331 } 11332 return true; 11333 } 11334 11335 @Override 11336 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11337 return new PackageParser.ProviderIntentInfo[size]; 11338 } 11339 11340 @Override 11341 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11342 if (!sUserManager.exists(userId)) 11343 return true; 11344 PackageParser.Package p = filter.provider.owner; 11345 if (p != null) { 11346 PackageSetting ps = (PackageSetting) p.mExtras; 11347 if (ps != null) { 11348 // System apps are never considered stopped for purposes of 11349 // filtering, because there may be no way for the user to 11350 // actually re-launch them. 11351 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11352 && ps.getStopped(userId); 11353 } 11354 } 11355 return false; 11356 } 11357 11358 @Override 11359 protected boolean isPackageForFilter(String packageName, 11360 PackageParser.ProviderIntentInfo info) { 11361 return packageName.equals(info.provider.owner.packageName); 11362 } 11363 11364 @Override 11365 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11366 int match, int userId) { 11367 if (!sUserManager.exists(userId)) 11368 return null; 11369 final PackageParser.ProviderIntentInfo info = filter; 11370 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11371 return null; 11372 } 11373 final PackageParser.Provider provider = info.provider; 11374 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11375 if (ps == null) { 11376 return null; 11377 } 11378 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11379 ps.readUserState(userId), userId); 11380 if (pi == null) { 11381 return null; 11382 } 11383 final ResolveInfo res = new ResolveInfo(); 11384 res.providerInfo = pi; 11385 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11386 res.filter = filter; 11387 } 11388 res.priority = info.getPriority(); 11389 res.preferredOrder = provider.owner.mPreferredOrder; 11390 res.match = match; 11391 res.isDefault = info.hasDefault; 11392 res.labelRes = info.labelRes; 11393 res.nonLocalizedLabel = info.nonLocalizedLabel; 11394 res.icon = info.icon; 11395 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11396 return res; 11397 } 11398 11399 @Override 11400 protected void sortResults(List<ResolveInfo> results) { 11401 Collections.sort(results, mResolvePrioritySorter); 11402 } 11403 11404 @Override 11405 protected void dumpFilter(PrintWriter out, String prefix, 11406 PackageParser.ProviderIntentInfo filter) { 11407 out.print(prefix); 11408 out.print( 11409 Integer.toHexString(System.identityHashCode(filter.provider))); 11410 out.print(' '); 11411 filter.provider.printComponentShortName(out); 11412 out.print(" filter "); 11413 out.println(Integer.toHexString(System.identityHashCode(filter))); 11414 } 11415 11416 @Override 11417 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11418 return filter.provider; 11419 } 11420 11421 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11422 PackageParser.Provider provider = (PackageParser.Provider)label; 11423 out.print(prefix); out.print( 11424 Integer.toHexString(System.identityHashCode(provider))); 11425 out.print(' '); 11426 provider.printComponentShortName(out); 11427 if (count > 1) { 11428 out.print(" ("); out.print(count); out.print(" filters)"); 11429 } 11430 out.println(); 11431 } 11432 11433 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11434 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11435 private int mFlags; 11436 } 11437 11438 static final class EphemeralIntentResolver 11439 extends IntentResolver<EphemeralResponse, EphemeralResponse> { 11440 /** 11441 * The result that has the highest defined order. Ordering applies on a 11442 * per-package basis. Mapping is from package name to Pair of order and 11443 * EphemeralResolveInfo. 11444 * <p> 11445 * NOTE: This is implemented as a field variable for convenience and efficiency. 11446 * By having a field variable, we're able to track filter ordering as soon as 11447 * a non-zero order is defined. Otherwise, multiple loops across the result set 11448 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 11449 * this needs to be contained entirely within {@link #filterResults()}. 11450 */ 11451 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 11452 11453 @Override 11454 protected EphemeralResponse[] newArray(int size) { 11455 return new EphemeralResponse[size]; 11456 } 11457 11458 @Override 11459 protected boolean isPackageForFilter(String packageName, EphemeralResponse responseObj) { 11460 return true; 11461 } 11462 11463 @Override 11464 protected EphemeralResponse newResult(EphemeralResponse responseObj, int match, 11465 int userId) { 11466 if (!sUserManager.exists(userId)) { 11467 return null; 11468 } 11469 final String packageName = responseObj.resolveInfo.getPackageName(); 11470 final Integer order = responseObj.getOrder(); 11471 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 11472 mOrderResult.get(packageName); 11473 // ordering is enabled and this item's order isn't high enough 11474 if (lastOrderResult != null && lastOrderResult.first >= order) { 11475 return null; 11476 } 11477 final EphemeralResolveInfo res = responseObj.resolveInfo; 11478 if (order > 0) { 11479 // non-zero order, enable ordering 11480 mOrderResult.put(packageName, new Pair<>(order, res)); 11481 } 11482 return responseObj; 11483 } 11484 11485 @Override 11486 protected void filterResults(List<EphemeralResponse> results) { 11487 // only do work if ordering is enabled [most of the time it won't be] 11488 if (mOrderResult.size() == 0) { 11489 return; 11490 } 11491 int resultSize = results.size(); 11492 for (int i = 0; i < resultSize; i++) { 11493 final EphemeralResolveInfo info = results.get(i).resolveInfo; 11494 final String packageName = info.getPackageName(); 11495 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 11496 if (savedInfo == null) { 11497 // package doesn't having ordering 11498 continue; 11499 } 11500 if (savedInfo.second == info) { 11501 // circled back to the highest ordered item; remove from order list 11502 mOrderResult.remove(savedInfo); 11503 if (mOrderResult.size() == 0) { 11504 // no more ordered items 11505 break; 11506 } 11507 continue; 11508 } 11509 // item has a worse order, remove it from the result list 11510 results.remove(i); 11511 resultSize--; 11512 i--; 11513 } 11514 } 11515 } 11516 11517 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11518 new Comparator<ResolveInfo>() { 11519 public int compare(ResolveInfo r1, ResolveInfo r2) { 11520 int v1 = r1.priority; 11521 int v2 = r2.priority; 11522 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11523 if (v1 != v2) { 11524 return (v1 > v2) ? -1 : 1; 11525 } 11526 v1 = r1.preferredOrder; 11527 v2 = r2.preferredOrder; 11528 if (v1 != v2) { 11529 return (v1 > v2) ? -1 : 1; 11530 } 11531 if (r1.isDefault != r2.isDefault) { 11532 return r1.isDefault ? -1 : 1; 11533 } 11534 v1 = r1.match; 11535 v2 = r2.match; 11536 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11537 if (v1 != v2) { 11538 return (v1 > v2) ? -1 : 1; 11539 } 11540 if (r1.system != r2.system) { 11541 return r1.system ? -1 : 1; 11542 } 11543 if (r1.activityInfo != null) { 11544 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11545 } 11546 if (r1.serviceInfo != null) { 11547 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11548 } 11549 if (r1.providerInfo != null) { 11550 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11551 } 11552 return 0; 11553 } 11554 }; 11555 11556 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11557 new Comparator<ProviderInfo>() { 11558 public int compare(ProviderInfo p1, ProviderInfo p2) { 11559 final int v1 = p1.initOrder; 11560 final int v2 = p2.initOrder; 11561 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11562 } 11563 }; 11564 11565 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11566 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11567 final int[] userIds) { 11568 mHandler.post(new Runnable() { 11569 @Override 11570 public void run() { 11571 try { 11572 final IActivityManager am = ActivityManager.getService(); 11573 if (am == null) return; 11574 final int[] resolvedUserIds; 11575 if (userIds == null) { 11576 resolvedUserIds = am.getRunningUserIds(); 11577 } else { 11578 resolvedUserIds = userIds; 11579 } 11580 for (int id : resolvedUserIds) { 11581 final Intent intent = new Intent(action, 11582 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 11583 if (extras != null) { 11584 intent.putExtras(extras); 11585 } 11586 if (targetPkg != null) { 11587 intent.setPackage(targetPkg); 11588 } 11589 // Modify the UID when posting to other users 11590 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11591 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11592 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11593 intent.putExtra(Intent.EXTRA_UID, uid); 11594 } 11595 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11596 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11597 if (DEBUG_BROADCASTS) { 11598 RuntimeException here = new RuntimeException("here"); 11599 here.fillInStackTrace(); 11600 Slog.d(TAG, "Sending to user " + id + ": " 11601 + intent.toShortString(false, true, false, false) 11602 + " " + intent.getExtras(), here); 11603 } 11604 am.broadcastIntent(null, intent, null, finishedReceiver, 11605 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11606 null, finishedReceiver != null, false, id); 11607 } 11608 } catch (RemoteException ex) { 11609 } 11610 } 11611 }); 11612 } 11613 11614 /** 11615 * Check if the external storage media is available. This is true if there 11616 * is a mounted external storage medium or if the external storage is 11617 * emulated. 11618 */ 11619 private boolean isExternalMediaAvailable() { 11620 return mMediaMounted || Environment.isExternalStorageEmulated(); 11621 } 11622 11623 @Override 11624 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11625 // writer 11626 synchronized (mPackages) { 11627 if (!isExternalMediaAvailable()) { 11628 // If the external storage is no longer mounted at this point, 11629 // the caller may not have been able to delete all of this 11630 // packages files and can not delete any more. Bail. 11631 return null; 11632 } 11633 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11634 if (lastPackage != null) { 11635 pkgs.remove(lastPackage); 11636 } 11637 if (pkgs.size() > 0) { 11638 return pkgs.get(0); 11639 } 11640 } 11641 return null; 11642 } 11643 11644 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11645 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11646 userId, andCode ? 1 : 0, packageName); 11647 if (mSystemReady) { 11648 msg.sendToTarget(); 11649 } else { 11650 if (mPostSystemReadyMessages == null) { 11651 mPostSystemReadyMessages = new ArrayList<>(); 11652 } 11653 mPostSystemReadyMessages.add(msg); 11654 } 11655 } 11656 11657 void startCleaningPackages() { 11658 // reader 11659 if (!isExternalMediaAvailable()) { 11660 return; 11661 } 11662 synchronized (mPackages) { 11663 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11664 return; 11665 } 11666 } 11667 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11668 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11669 IActivityManager am = ActivityManager.getService(); 11670 if (am != null) { 11671 try { 11672 am.startService(null, intent, null, mContext.getOpPackageName(), 11673 UserHandle.USER_SYSTEM); 11674 } catch (RemoteException e) { 11675 } 11676 } 11677 } 11678 11679 @Override 11680 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11681 int installFlags, String installerPackageName, int userId) { 11682 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11683 11684 final int callingUid = Binder.getCallingUid(); 11685 enforceCrossUserPermission(callingUid, userId, 11686 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11687 11688 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11689 try { 11690 if (observer != null) { 11691 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11692 } 11693 } catch (RemoteException re) { 11694 } 11695 return; 11696 } 11697 11698 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11699 installFlags |= PackageManager.INSTALL_FROM_ADB; 11700 11701 } else { 11702 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11703 // about installerPackageName. 11704 11705 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11706 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11707 } 11708 11709 UserHandle user; 11710 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11711 user = UserHandle.ALL; 11712 } else { 11713 user = new UserHandle(userId); 11714 } 11715 11716 // Only system components can circumvent runtime permissions when installing. 11717 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11718 && mContext.checkCallingOrSelfPermission(Manifest.permission 11719 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11720 throw new SecurityException("You need the " 11721 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11722 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11723 } 11724 11725 final File originFile = new File(originPath); 11726 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11727 11728 final Message msg = mHandler.obtainMessage(INIT_COPY); 11729 final VerificationInfo verificationInfo = new VerificationInfo( 11730 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11731 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11732 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11733 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11734 null /*certificates*/); 11735 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11736 msg.obj = params; 11737 11738 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11739 System.identityHashCode(msg.obj)); 11740 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11741 System.identityHashCode(msg.obj)); 11742 11743 mHandler.sendMessage(msg); 11744 } 11745 11746 void installStage(String packageName, File stagedDir, String stagedCid, 11747 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11748 String installerPackageName, int installerUid, UserHandle user, 11749 Certificate[][] certificates) { 11750 if (DEBUG_EPHEMERAL) { 11751 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11752 Slog.d(TAG, "Ephemeral install of " + packageName); 11753 } 11754 } 11755 final VerificationInfo verificationInfo = new VerificationInfo( 11756 sessionParams.originatingUri, sessionParams.referrerUri, 11757 sessionParams.originatingUid, installerUid); 11758 11759 final OriginInfo origin; 11760 if (stagedDir != null) { 11761 origin = OriginInfo.fromStagedFile(stagedDir); 11762 } else { 11763 origin = OriginInfo.fromStagedContainer(stagedCid); 11764 } 11765 11766 final Message msg = mHandler.obtainMessage(INIT_COPY); 11767 final InstallParams params = new InstallParams(origin, null, observer, 11768 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11769 verificationInfo, user, sessionParams.abiOverride, 11770 sessionParams.grantedRuntimePermissions, certificates); 11771 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11772 msg.obj = params; 11773 11774 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11775 System.identityHashCode(msg.obj)); 11776 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11777 System.identityHashCode(msg.obj)); 11778 11779 mHandler.sendMessage(msg); 11780 } 11781 11782 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11783 int userId) { 11784 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11785 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 11786 } 11787 11788 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 11789 int appId, int... userIds) { 11790 if (ArrayUtils.isEmpty(userIds)) { 11791 return; 11792 } 11793 Bundle extras = new Bundle(1); 11794 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 11795 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 11796 11797 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11798 packageName, extras, 0, null, null, userIds); 11799 if (isSystem) { 11800 mHandler.post(() -> { 11801 for (int userId : userIds) { 11802 sendBootCompletedBroadcastToSystemApp(packageName, userId); 11803 } 11804 } 11805 ); 11806 } 11807 } 11808 11809 /** 11810 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 11811 * automatically without needing an explicit launch. 11812 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 11813 */ 11814 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 11815 // If user is not running, the app didn't miss any broadcast 11816 if (!mUserManagerInternal.isUserRunning(userId)) { 11817 return; 11818 } 11819 final IActivityManager am = ActivityManager.getService(); 11820 try { 11821 // Deliver LOCKED_BOOT_COMPLETED first 11822 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 11823 .setPackage(packageName); 11824 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 11825 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 11826 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11827 11828 // Deliver BOOT_COMPLETED only if user is unlocked 11829 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 11830 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 11831 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 11832 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11833 } 11834 } catch (RemoteException e) { 11835 throw e.rethrowFromSystemServer(); 11836 } 11837 } 11838 11839 @Override 11840 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11841 int userId) { 11842 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11843 PackageSetting pkgSetting; 11844 final int uid = Binder.getCallingUid(); 11845 enforceCrossUserPermission(uid, userId, 11846 true /* requireFullPermission */, true /* checkShell */, 11847 "setApplicationHiddenSetting for user " + userId); 11848 11849 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11850 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11851 return false; 11852 } 11853 11854 long callingId = Binder.clearCallingIdentity(); 11855 try { 11856 boolean sendAdded = false; 11857 boolean sendRemoved = false; 11858 // writer 11859 synchronized (mPackages) { 11860 pkgSetting = mSettings.mPackages.get(packageName); 11861 if (pkgSetting == null) { 11862 return false; 11863 } 11864 // Do not allow "android" is being disabled 11865 if ("android".equals(packageName)) { 11866 Slog.w(TAG, "Cannot hide package: android"); 11867 return false; 11868 } 11869 // Only allow protected packages to hide themselves. 11870 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11871 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11872 Slog.w(TAG, "Not hiding protected package: " + packageName); 11873 return false; 11874 } 11875 11876 if (pkgSetting.getHidden(userId) != hidden) { 11877 pkgSetting.setHidden(hidden, userId); 11878 mSettings.writePackageRestrictionsLPr(userId); 11879 if (hidden) { 11880 sendRemoved = true; 11881 } else { 11882 sendAdded = true; 11883 } 11884 } 11885 } 11886 if (sendAdded) { 11887 sendPackageAddedForUser(packageName, pkgSetting, userId); 11888 return true; 11889 } 11890 if (sendRemoved) { 11891 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11892 "hiding pkg"); 11893 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11894 return true; 11895 } 11896 } finally { 11897 Binder.restoreCallingIdentity(callingId); 11898 } 11899 return false; 11900 } 11901 11902 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11903 int userId) { 11904 final PackageRemovedInfo info = new PackageRemovedInfo(); 11905 info.removedPackage = packageName; 11906 info.removedUsers = new int[] {userId}; 11907 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11908 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11909 } 11910 11911 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11912 if (pkgList.length > 0) { 11913 Bundle extras = new Bundle(1); 11914 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11915 11916 sendPackageBroadcast( 11917 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11918 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11919 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11920 new int[] {userId}); 11921 } 11922 } 11923 11924 /** 11925 * Returns true if application is not found or there was an error. Otherwise it returns 11926 * the hidden state of the package for the given user. 11927 */ 11928 @Override 11929 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11930 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11931 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11932 true /* requireFullPermission */, false /* checkShell */, 11933 "getApplicationHidden for user " + userId); 11934 PackageSetting pkgSetting; 11935 long callingId = Binder.clearCallingIdentity(); 11936 try { 11937 // writer 11938 synchronized (mPackages) { 11939 pkgSetting = mSettings.mPackages.get(packageName); 11940 if (pkgSetting == null) { 11941 return true; 11942 } 11943 return pkgSetting.getHidden(userId); 11944 } 11945 } finally { 11946 Binder.restoreCallingIdentity(callingId); 11947 } 11948 } 11949 11950 /** 11951 * @hide 11952 */ 11953 @Override 11954 public int installExistingPackageAsUser(String packageName, int userId) { 11955 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11956 null); 11957 PackageSetting pkgSetting; 11958 final int uid = Binder.getCallingUid(); 11959 enforceCrossUserPermission(uid, userId, 11960 true /* requireFullPermission */, true /* checkShell */, 11961 "installExistingPackage for user " + userId); 11962 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11963 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11964 } 11965 11966 long callingId = Binder.clearCallingIdentity(); 11967 try { 11968 boolean installed = false; 11969 11970 // writer 11971 synchronized (mPackages) { 11972 pkgSetting = mSettings.mPackages.get(packageName); 11973 if (pkgSetting == null) { 11974 return PackageManager.INSTALL_FAILED_INVALID_URI; 11975 } 11976 if (!pkgSetting.getInstalled(userId)) { 11977 pkgSetting.setInstalled(true, userId); 11978 pkgSetting.setHidden(false, userId); 11979 mSettings.writePackageRestrictionsLPr(userId); 11980 installed = true; 11981 } 11982 } 11983 11984 if (installed) { 11985 if (pkgSetting.pkg != null) { 11986 synchronized (mInstallLock) { 11987 // We don't need to freeze for a brand new install 11988 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11989 } 11990 } 11991 sendPackageAddedForUser(packageName, pkgSetting, userId); 11992 } 11993 } finally { 11994 Binder.restoreCallingIdentity(callingId); 11995 } 11996 11997 return PackageManager.INSTALL_SUCCEEDED; 11998 } 11999 12000 boolean isUserRestricted(int userId, String restrictionKey) { 12001 Bundle restrictions = sUserManager.getUserRestrictions(userId); 12002 if (restrictions.getBoolean(restrictionKey, false)) { 12003 Log.w(TAG, "User is restricted: " + restrictionKey); 12004 return true; 12005 } 12006 return false; 12007 } 12008 12009 @Override 12010 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 12011 int userId) { 12012 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 12013 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12014 true /* requireFullPermission */, true /* checkShell */, 12015 "setPackagesSuspended for user " + userId); 12016 12017 if (ArrayUtils.isEmpty(packageNames)) { 12018 return packageNames; 12019 } 12020 12021 // List of package names for whom the suspended state has changed. 12022 List<String> changedPackages = new ArrayList<>(packageNames.length); 12023 // List of package names for whom the suspended state is not set as requested in this 12024 // method. 12025 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 12026 long callingId = Binder.clearCallingIdentity(); 12027 try { 12028 for (int i = 0; i < packageNames.length; i++) { 12029 String packageName = packageNames[i]; 12030 boolean changed = false; 12031 final int appId; 12032 synchronized (mPackages) { 12033 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12034 if (pkgSetting == null) { 12035 Slog.w(TAG, "Could not find package setting for package \"" + packageName 12036 + "\". Skipping suspending/un-suspending."); 12037 unactionedPackages.add(packageName); 12038 continue; 12039 } 12040 appId = pkgSetting.appId; 12041 if (pkgSetting.getSuspended(userId) != suspended) { 12042 if (!canSuspendPackageForUserLocked(packageName, userId)) { 12043 unactionedPackages.add(packageName); 12044 continue; 12045 } 12046 pkgSetting.setSuspended(suspended, userId); 12047 mSettings.writePackageRestrictionsLPr(userId); 12048 changed = true; 12049 changedPackages.add(packageName); 12050 } 12051 } 12052 12053 if (changed && suspended) { 12054 killApplication(packageName, UserHandle.getUid(userId, appId), 12055 "suspending package"); 12056 } 12057 } 12058 } finally { 12059 Binder.restoreCallingIdentity(callingId); 12060 } 12061 12062 if (!changedPackages.isEmpty()) { 12063 sendPackagesSuspendedForUser(changedPackages.toArray( 12064 new String[changedPackages.size()]), userId, suspended); 12065 } 12066 12067 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 12068 } 12069 12070 @Override 12071 public boolean isPackageSuspendedForUser(String packageName, int userId) { 12072 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12073 true /* requireFullPermission */, false /* checkShell */, 12074 "isPackageSuspendedForUser for user " + userId); 12075 synchronized (mPackages) { 12076 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12077 if (pkgSetting == null) { 12078 throw new IllegalArgumentException("Unknown target package: " + packageName); 12079 } 12080 return pkgSetting.getSuspended(userId); 12081 } 12082 } 12083 12084 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 12085 if (isPackageDeviceAdmin(packageName, userId)) { 12086 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12087 + "\": has an active device admin"); 12088 return false; 12089 } 12090 12091 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 12092 if (packageName.equals(activeLauncherPackageName)) { 12093 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12094 + "\": contains the active launcher"); 12095 return false; 12096 } 12097 12098 if (packageName.equals(mRequiredInstallerPackage)) { 12099 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12100 + "\": required for package installation"); 12101 return false; 12102 } 12103 12104 if (packageName.equals(mRequiredUninstallerPackage)) { 12105 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12106 + "\": required for package uninstallation"); 12107 return false; 12108 } 12109 12110 if (packageName.equals(mRequiredVerifierPackage)) { 12111 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12112 + "\": required for package verification"); 12113 return false; 12114 } 12115 12116 if (packageName.equals(getDefaultDialerPackageName(userId))) { 12117 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12118 + "\": is the default dialer"); 12119 return false; 12120 } 12121 12122 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12123 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12124 + "\": protected package"); 12125 return false; 12126 } 12127 12128 return true; 12129 } 12130 12131 private String getActiveLauncherPackageName(int userId) { 12132 Intent intent = new Intent(Intent.ACTION_MAIN); 12133 intent.addCategory(Intent.CATEGORY_HOME); 12134 ResolveInfo resolveInfo = resolveIntent( 12135 intent, 12136 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 12137 PackageManager.MATCH_DEFAULT_ONLY, 12138 userId); 12139 12140 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 12141 } 12142 12143 private String getDefaultDialerPackageName(int userId) { 12144 synchronized (mPackages) { 12145 return mSettings.getDefaultDialerPackageNameLPw(userId); 12146 } 12147 } 12148 12149 @Override 12150 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 12151 mContext.enforceCallingOrSelfPermission( 12152 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12153 "Only package verification agents can verify applications"); 12154 12155 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12156 final PackageVerificationResponse response = new PackageVerificationResponse( 12157 verificationCode, Binder.getCallingUid()); 12158 msg.arg1 = id; 12159 msg.obj = response; 12160 mHandler.sendMessage(msg); 12161 } 12162 12163 @Override 12164 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 12165 long millisecondsToDelay) { 12166 mContext.enforceCallingOrSelfPermission( 12167 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12168 "Only package verification agents can extend verification timeouts"); 12169 12170 final PackageVerificationState state = mPendingVerification.get(id); 12171 final PackageVerificationResponse response = new PackageVerificationResponse( 12172 verificationCodeAtTimeout, Binder.getCallingUid()); 12173 12174 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12175 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12176 } 12177 if (millisecondsToDelay < 0) { 12178 millisecondsToDelay = 0; 12179 } 12180 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12181 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12182 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12183 } 12184 12185 if ((state != null) && !state.timeoutExtended()) { 12186 state.extendTimeout(); 12187 12188 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12189 msg.arg1 = id; 12190 msg.obj = response; 12191 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12192 } 12193 } 12194 12195 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12196 int verificationCode, UserHandle user) { 12197 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12198 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12199 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12200 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12201 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12202 12203 mContext.sendBroadcastAsUser(intent, user, 12204 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12205 } 12206 12207 private ComponentName matchComponentForVerifier(String packageName, 12208 List<ResolveInfo> receivers) { 12209 ActivityInfo targetReceiver = null; 12210 12211 final int NR = receivers.size(); 12212 for (int i = 0; i < NR; i++) { 12213 final ResolveInfo info = receivers.get(i); 12214 if (info.activityInfo == null) { 12215 continue; 12216 } 12217 12218 if (packageName.equals(info.activityInfo.packageName)) { 12219 targetReceiver = info.activityInfo; 12220 break; 12221 } 12222 } 12223 12224 if (targetReceiver == null) { 12225 return null; 12226 } 12227 12228 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12229 } 12230 12231 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12232 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12233 if (pkgInfo.verifiers.length == 0) { 12234 return null; 12235 } 12236 12237 final int N = pkgInfo.verifiers.length; 12238 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12239 for (int i = 0; i < N; i++) { 12240 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12241 12242 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12243 receivers); 12244 if (comp == null) { 12245 continue; 12246 } 12247 12248 final int verifierUid = getUidForVerifier(verifierInfo); 12249 if (verifierUid == -1) { 12250 continue; 12251 } 12252 12253 if (DEBUG_VERIFY) { 12254 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12255 + " with the correct signature"); 12256 } 12257 sufficientVerifiers.add(comp); 12258 verificationState.addSufficientVerifier(verifierUid); 12259 } 12260 12261 return sufficientVerifiers; 12262 } 12263 12264 private int getUidForVerifier(VerifierInfo verifierInfo) { 12265 synchronized (mPackages) { 12266 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12267 if (pkg == null) { 12268 return -1; 12269 } else if (pkg.mSignatures.length != 1) { 12270 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12271 + " has more than one signature; ignoring"); 12272 return -1; 12273 } 12274 12275 /* 12276 * If the public key of the package's signature does not match 12277 * our expected public key, then this is a different package and 12278 * we should skip. 12279 */ 12280 12281 final byte[] expectedPublicKey; 12282 try { 12283 final Signature verifierSig = pkg.mSignatures[0]; 12284 final PublicKey publicKey = verifierSig.getPublicKey(); 12285 expectedPublicKey = publicKey.getEncoded(); 12286 } catch (CertificateException e) { 12287 return -1; 12288 } 12289 12290 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12291 12292 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12293 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12294 + " does not have the expected public key; ignoring"); 12295 return -1; 12296 } 12297 12298 return pkg.applicationInfo.uid; 12299 } 12300 } 12301 12302 @Override 12303 public void finishPackageInstall(int token, boolean didLaunch) { 12304 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12305 12306 if (DEBUG_INSTALL) { 12307 Slog.v(TAG, "BM finishing package install for " + token); 12308 } 12309 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12310 12311 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12312 mHandler.sendMessage(msg); 12313 } 12314 12315 /** 12316 * Get the verification agent timeout. 12317 * 12318 * @return verification timeout in milliseconds 12319 */ 12320 private long getVerificationTimeout() { 12321 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12322 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12323 DEFAULT_VERIFICATION_TIMEOUT); 12324 } 12325 12326 /** 12327 * Get the default verification agent response code. 12328 * 12329 * @return default verification response code 12330 */ 12331 private int getDefaultVerificationResponse() { 12332 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12333 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12334 DEFAULT_VERIFICATION_RESPONSE); 12335 } 12336 12337 /** 12338 * Check whether or not package verification has been enabled. 12339 * 12340 * @return true if verification should be performed 12341 */ 12342 private boolean isVerificationEnabled(int userId, int installFlags) { 12343 if (!DEFAULT_VERIFY_ENABLE) { 12344 return false; 12345 } 12346 // Ephemeral apps don't get the full verification treatment 12347 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12348 if (DEBUG_EPHEMERAL) { 12349 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12350 } 12351 return false; 12352 } 12353 12354 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12355 12356 // Check if installing from ADB 12357 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12358 // Do not run verification in a test harness environment 12359 if (ActivityManager.isRunningInTestHarness()) { 12360 return false; 12361 } 12362 if (ensureVerifyAppsEnabled) { 12363 return true; 12364 } 12365 // Check if the developer does not want package verification for ADB installs 12366 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12367 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12368 return false; 12369 } 12370 } 12371 12372 if (ensureVerifyAppsEnabled) { 12373 return true; 12374 } 12375 12376 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12377 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12378 } 12379 12380 @Override 12381 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12382 throws RemoteException { 12383 mContext.enforceCallingOrSelfPermission( 12384 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12385 "Only intentfilter verification agents can verify applications"); 12386 12387 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12388 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12389 Binder.getCallingUid(), verificationCode, failedDomains); 12390 msg.arg1 = id; 12391 msg.obj = response; 12392 mHandler.sendMessage(msg); 12393 } 12394 12395 @Override 12396 public int getIntentVerificationStatus(String packageName, int userId) { 12397 synchronized (mPackages) { 12398 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12399 } 12400 } 12401 12402 @Override 12403 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12404 mContext.enforceCallingOrSelfPermission( 12405 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12406 12407 boolean result = false; 12408 synchronized (mPackages) { 12409 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12410 } 12411 if (result) { 12412 scheduleWritePackageRestrictionsLocked(userId); 12413 } 12414 return result; 12415 } 12416 12417 @Override 12418 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12419 String packageName) { 12420 synchronized (mPackages) { 12421 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12422 } 12423 } 12424 12425 @Override 12426 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12427 if (TextUtils.isEmpty(packageName)) { 12428 return ParceledListSlice.emptyList(); 12429 } 12430 synchronized (mPackages) { 12431 PackageParser.Package pkg = mPackages.get(packageName); 12432 if (pkg == null || pkg.activities == null) { 12433 return ParceledListSlice.emptyList(); 12434 } 12435 final int count = pkg.activities.size(); 12436 ArrayList<IntentFilter> result = new ArrayList<>(); 12437 for (int n=0; n<count; n++) { 12438 PackageParser.Activity activity = pkg.activities.get(n); 12439 if (activity.intents != null && activity.intents.size() > 0) { 12440 result.addAll(activity.intents); 12441 } 12442 } 12443 return new ParceledListSlice<>(result); 12444 } 12445 } 12446 12447 @Override 12448 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12449 mContext.enforceCallingOrSelfPermission( 12450 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12451 12452 synchronized (mPackages) { 12453 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12454 if (packageName != null) { 12455 result |= updateIntentVerificationStatus(packageName, 12456 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12457 userId); 12458 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12459 packageName, userId); 12460 } 12461 return result; 12462 } 12463 } 12464 12465 @Override 12466 public String getDefaultBrowserPackageName(int userId) { 12467 synchronized (mPackages) { 12468 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12469 } 12470 } 12471 12472 /** 12473 * Get the "allow unknown sources" setting. 12474 * 12475 * @return the current "allow unknown sources" setting 12476 */ 12477 private int getUnknownSourcesSettings() { 12478 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12479 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12480 -1); 12481 } 12482 12483 @Override 12484 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12485 final int uid = Binder.getCallingUid(); 12486 // writer 12487 synchronized (mPackages) { 12488 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12489 if (targetPackageSetting == null) { 12490 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12491 } 12492 12493 PackageSetting installerPackageSetting; 12494 if (installerPackageName != null) { 12495 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12496 if (installerPackageSetting == null) { 12497 throw new IllegalArgumentException("Unknown installer package: " 12498 + installerPackageName); 12499 } 12500 } else { 12501 installerPackageSetting = null; 12502 } 12503 12504 Signature[] callerSignature; 12505 Object obj = mSettings.getUserIdLPr(uid); 12506 if (obj != null) { 12507 if (obj instanceof SharedUserSetting) { 12508 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12509 } else if (obj instanceof PackageSetting) { 12510 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12511 } else { 12512 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12513 } 12514 } else { 12515 throw new SecurityException("Unknown calling UID: " + uid); 12516 } 12517 12518 // Verify: can't set installerPackageName to a package that is 12519 // not signed with the same cert as the caller. 12520 if (installerPackageSetting != null) { 12521 if (compareSignatures(callerSignature, 12522 installerPackageSetting.signatures.mSignatures) 12523 != PackageManager.SIGNATURE_MATCH) { 12524 throw new SecurityException( 12525 "Caller does not have same cert as new installer package " 12526 + installerPackageName); 12527 } 12528 } 12529 12530 // Verify: if target already has an installer package, it must 12531 // be signed with the same cert as the caller. 12532 if (targetPackageSetting.installerPackageName != null) { 12533 PackageSetting setting = mSettings.mPackages.get( 12534 targetPackageSetting.installerPackageName); 12535 // If the currently set package isn't valid, then it's always 12536 // okay to change it. 12537 if (setting != null) { 12538 if (compareSignatures(callerSignature, 12539 setting.signatures.mSignatures) 12540 != PackageManager.SIGNATURE_MATCH) { 12541 throw new SecurityException( 12542 "Caller does not have same cert as old installer package " 12543 + targetPackageSetting.installerPackageName); 12544 } 12545 } 12546 } 12547 12548 // Okay! 12549 targetPackageSetting.installerPackageName = installerPackageName; 12550 if (installerPackageName != null) { 12551 mSettings.mInstallerPackages.add(installerPackageName); 12552 } 12553 scheduleWriteSettingsLocked(); 12554 } 12555 } 12556 12557 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12558 // Queue up an async operation since the package installation may take a little while. 12559 mHandler.post(new Runnable() { 12560 public void run() { 12561 mHandler.removeCallbacks(this); 12562 // Result object to be returned 12563 PackageInstalledInfo res = new PackageInstalledInfo(); 12564 res.setReturnCode(currentStatus); 12565 res.uid = -1; 12566 res.pkg = null; 12567 res.removedInfo = null; 12568 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12569 args.doPreInstall(res.returnCode); 12570 synchronized (mInstallLock) { 12571 installPackageTracedLI(args, res); 12572 } 12573 args.doPostInstall(res.returnCode, res.uid); 12574 } 12575 12576 // A restore should be performed at this point if (a) the install 12577 // succeeded, (b) the operation is not an update, and (c) the new 12578 // package has not opted out of backup participation. 12579 final boolean update = res.removedInfo != null 12580 && res.removedInfo.removedPackage != null; 12581 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12582 boolean doRestore = !update 12583 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12584 12585 // Set up the post-install work request bookkeeping. This will be used 12586 // and cleaned up by the post-install event handling regardless of whether 12587 // there's a restore pass performed. Token values are >= 1. 12588 int token; 12589 if (mNextInstallToken < 0) mNextInstallToken = 1; 12590 token = mNextInstallToken++; 12591 12592 PostInstallData data = new PostInstallData(args, res); 12593 mRunningInstalls.put(token, data); 12594 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12595 12596 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12597 // Pass responsibility to the Backup Manager. It will perform a 12598 // restore if appropriate, then pass responsibility back to the 12599 // Package Manager to run the post-install observer callbacks 12600 // and broadcasts. 12601 IBackupManager bm = IBackupManager.Stub.asInterface( 12602 ServiceManager.getService(Context.BACKUP_SERVICE)); 12603 if (bm != null) { 12604 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12605 + " to BM for possible restore"); 12606 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12607 try { 12608 // TODO: http://b/22388012 12609 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12610 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12611 } else { 12612 doRestore = false; 12613 } 12614 } catch (RemoteException e) { 12615 // can't happen; the backup manager is local 12616 } catch (Exception e) { 12617 Slog.e(TAG, "Exception trying to enqueue restore", e); 12618 doRestore = false; 12619 } 12620 } else { 12621 Slog.e(TAG, "Backup Manager not found!"); 12622 doRestore = false; 12623 } 12624 } 12625 12626 if (!doRestore) { 12627 // No restore possible, or the Backup Manager was mysteriously not 12628 // available -- just fire the post-install work request directly. 12629 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12630 12631 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12632 12633 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12634 mHandler.sendMessage(msg); 12635 } 12636 } 12637 }); 12638 } 12639 12640 /** 12641 * Callback from PackageSettings whenever an app is first transitioned out of the 12642 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12643 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12644 * here whether the app is the target of an ongoing install, and only send the 12645 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12646 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12647 * handling. 12648 */ 12649 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12650 // Serialize this with the rest of the install-process message chain. In the 12651 // restore-at-install case, this Runnable will necessarily run before the 12652 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12653 // are coherent. In the non-restore case, the app has already completed install 12654 // and been launched through some other means, so it is not in a problematic 12655 // state for observers to see the FIRST_LAUNCH signal. 12656 mHandler.post(new Runnable() { 12657 @Override 12658 public void run() { 12659 for (int i = 0; i < mRunningInstalls.size(); i++) { 12660 final PostInstallData data = mRunningInstalls.valueAt(i); 12661 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12662 continue; 12663 } 12664 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12665 // right package; but is it for the right user? 12666 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12667 if (userId == data.res.newUsers[uIndex]) { 12668 if (DEBUG_BACKUP) { 12669 Slog.i(TAG, "Package " + pkgName 12670 + " being restored so deferring FIRST_LAUNCH"); 12671 } 12672 return; 12673 } 12674 } 12675 } 12676 } 12677 // didn't find it, so not being restored 12678 if (DEBUG_BACKUP) { 12679 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12680 } 12681 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12682 } 12683 }); 12684 } 12685 12686 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12687 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12688 installerPkg, null, userIds); 12689 } 12690 12691 private abstract class HandlerParams { 12692 private static final int MAX_RETRIES = 4; 12693 12694 /** 12695 * Number of times startCopy() has been attempted and had a non-fatal 12696 * error. 12697 */ 12698 private int mRetries = 0; 12699 12700 /** User handle for the user requesting the information or installation. */ 12701 private final UserHandle mUser; 12702 String traceMethod; 12703 int traceCookie; 12704 12705 HandlerParams(UserHandle user) { 12706 mUser = user; 12707 } 12708 12709 UserHandle getUser() { 12710 return mUser; 12711 } 12712 12713 HandlerParams setTraceMethod(String traceMethod) { 12714 this.traceMethod = traceMethod; 12715 return this; 12716 } 12717 12718 HandlerParams setTraceCookie(int traceCookie) { 12719 this.traceCookie = traceCookie; 12720 return this; 12721 } 12722 12723 final boolean startCopy() { 12724 boolean res; 12725 try { 12726 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12727 12728 if (++mRetries > MAX_RETRIES) { 12729 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12730 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12731 handleServiceError(); 12732 return false; 12733 } else { 12734 handleStartCopy(); 12735 res = true; 12736 } 12737 } catch (RemoteException e) { 12738 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12739 mHandler.sendEmptyMessage(MCS_RECONNECT); 12740 res = false; 12741 } 12742 handleReturnCode(); 12743 return res; 12744 } 12745 12746 final void serviceError() { 12747 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12748 handleServiceError(); 12749 handleReturnCode(); 12750 } 12751 12752 abstract void handleStartCopy() throws RemoteException; 12753 abstract void handleServiceError(); 12754 abstract void handleReturnCode(); 12755 } 12756 12757 class MeasureParams extends HandlerParams { 12758 private final PackageStats mStats; 12759 private boolean mSuccess; 12760 12761 private final IPackageStatsObserver mObserver; 12762 12763 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12764 super(new UserHandle(stats.userHandle)); 12765 mObserver = observer; 12766 mStats = stats; 12767 } 12768 12769 @Override 12770 public String toString() { 12771 return "MeasureParams{" 12772 + Integer.toHexString(System.identityHashCode(this)) 12773 + " " + mStats.packageName + "}"; 12774 } 12775 12776 @Override 12777 void handleStartCopy() throws RemoteException { 12778 synchronized (mInstallLock) { 12779 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12780 } 12781 12782 if (mSuccess) { 12783 boolean mounted = false; 12784 try { 12785 final String status = Environment.getExternalStorageState(); 12786 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12787 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12788 } catch (Exception e) { 12789 } 12790 12791 if (mounted) { 12792 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12793 12794 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12795 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12796 12797 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12798 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12799 12800 // Always subtract cache size, since it's a subdirectory 12801 mStats.externalDataSize -= mStats.externalCacheSize; 12802 12803 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12804 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12805 12806 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12807 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12808 } 12809 } 12810 } 12811 12812 @Override 12813 void handleReturnCode() { 12814 if (mObserver != null) { 12815 try { 12816 mObserver.onGetStatsCompleted(mStats, mSuccess); 12817 } catch (RemoteException e) { 12818 Slog.i(TAG, "Observer no longer exists."); 12819 } 12820 } 12821 } 12822 12823 @Override 12824 void handleServiceError() { 12825 Slog.e(TAG, "Could not measure application " + mStats.packageName 12826 + " external storage"); 12827 } 12828 } 12829 12830 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12831 throws RemoteException { 12832 long result = 0; 12833 for (File path : paths) { 12834 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12835 } 12836 return result; 12837 } 12838 12839 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12840 for (File path : paths) { 12841 try { 12842 mcs.clearDirectory(path.getAbsolutePath()); 12843 } catch (RemoteException e) { 12844 } 12845 } 12846 } 12847 12848 static class OriginInfo { 12849 /** 12850 * Location where install is coming from, before it has been 12851 * copied/renamed into place. This could be a single monolithic APK 12852 * file, or a cluster directory. This location may be untrusted. 12853 */ 12854 final File file; 12855 final String cid; 12856 12857 /** 12858 * Flag indicating that {@link #file} or {@link #cid} has already been 12859 * staged, meaning downstream users don't need to defensively copy the 12860 * contents. 12861 */ 12862 final boolean staged; 12863 12864 /** 12865 * Flag indicating that {@link #file} or {@link #cid} is an already 12866 * installed app that is being moved. 12867 */ 12868 final boolean existing; 12869 12870 final String resolvedPath; 12871 final File resolvedFile; 12872 12873 static OriginInfo fromNothing() { 12874 return new OriginInfo(null, null, false, false); 12875 } 12876 12877 static OriginInfo fromUntrustedFile(File file) { 12878 return new OriginInfo(file, null, false, false); 12879 } 12880 12881 static OriginInfo fromExistingFile(File file) { 12882 return new OriginInfo(file, null, false, true); 12883 } 12884 12885 static OriginInfo fromStagedFile(File file) { 12886 return new OriginInfo(file, null, true, false); 12887 } 12888 12889 static OriginInfo fromStagedContainer(String cid) { 12890 return new OriginInfo(null, cid, true, false); 12891 } 12892 12893 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12894 this.file = file; 12895 this.cid = cid; 12896 this.staged = staged; 12897 this.existing = existing; 12898 12899 if (cid != null) { 12900 resolvedPath = PackageHelper.getSdDir(cid); 12901 resolvedFile = new File(resolvedPath); 12902 } else if (file != null) { 12903 resolvedPath = file.getAbsolutePath(); 12904 resolvedFile = file; 12905 } else { 12906 resolvedPath = null; 12907 resolvedFile = null; 12908 } 12909 } 12910 } 12911 12912 static class MoveInfo { 12913 final int moveId; 12914 final String fromUuid; 12915 final String toUuid; 12916 final String packageName; 12917 final String dataAppName; 12918 final int appId; 12919 final String seinfo; 12920 final int targetSdkVersion; 12921 12922 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12923 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12924 this.moveId = moveId; 12925 this.fromUuid = fromUuid; 12926 this.toUuid = toUuid; 12927 this.packageName = packageName; 12928 this.dataAppName = dataAppName; 12929 this.appId = appId; 12930 this.seinfo = seinfo; 12931 this.targetSdkVersion = targetSdkVersion; 12932 } 12933 } 12934 12935 static class VerificationInfo { 12936 /** A constant used to indicate that a uid value is not present. */ 12937 public static final int NO_UID = -1; 12938 12939 /** URI referencing where the package was downloaded from. */ 12940 final Uri originatingUri; 12941 12942 /** HTTP referrer URI associated with the originatingURI. */ 12943 final Uri referrer; 12944 12945 /** UID of the application that the install request originated from. */ 12946 final int originatingUid; 12947 12948 /** UID of application requesting the install */ 12949 final int installerUid; 12950 12951 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12952 this.originatingUri = originatingUri; 12953 this.referrer = referrer; 12954 this.originatingUid = originatingUid; 12955 this.installerUid = installerUid; 12956 } 12957 } 12958 12959 class InstallParams extends HandlerParams { 12960 final OriginInfo origin; 12961 final MoveInfo move; 12962 final IPackageInstallObserver2 observer; 12963 int installFlags; 12964 final String installerPackageName; 12965 final String volumeUuid; 12966 private InstallArgs mArgs; 12967 private int mRet; 12968 final String packageAbiOverride; 12969 final String[] grantedRuntimePermissions; 12970 final VerificationInfo verificationInfo; 12971 final Certificate[][] certificates; 12972 12973 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12974 int installFlags, String installerPackageName, String volumeUuid, 12975 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12976 String[] grantedPermissions, Certificate[][] certificates) { 12977 super(user); 12978 this.origin = origin; 12979 this.move = move; 12980 this.observer = observer; 12981 this.installFlags = installFlags; 12982 this.installerPackageName = installerPackageName; 12983 this.volumeUuid = volumeUuid; 12984 this.verificationInfo = verificationInfo; 12985 this.packageAbiOverride = packageAbiOverride; 12986 this.grantedRuntimePermissions = grantedPermissions; 12987 this.certificates = certificates; 12988 } 12989 12990 @Override 12991 public String toString() { 12992 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12993 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12994 } 12995 12996 private int installLocationPolicy(PackageInfoLite pkgLite) { 12997 String packageName = pkgLite.packageName; 12998 int installLocation = pkgLite.installLocation; 12999 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13000 // reader 13001 synchronized (mPackages) { 13002 // Currently installed package which the new package is attempting to replace or 13003 // null if no such package is installed. 13004 PackageParser.Package installedPkg = mPackages.get(packageName); 13005 // Package which currently owns the data which the new package will own if installed. 13006 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 13007 // will be null whereas dataOwnerPkg will contain information about the package 13008 // which was uninstalled while keeping its data. 13009 PackageParser.Package dataOwnerPkg = installedPkg; 13010 if (dataOwnerPkg == null) { 13011 PackageSetting ps = mSettings.mPackages.get(packageName); 13012 if (ps != null) { 13013 dataOwnerPkg = ps.pkg; 13014 } 13015 } 13016 13017 if (dataOwnerPkg != null) { 13018 // If installed, the package will get access to data left on the device by its 13019 // predecessor. As a security measure, this is permited only if this is not a 13020 // version downgrade or if the predecessor package is marked as debuggable and 13021 // a downgrade is explicitly requested. 13022 // 13023 // On debuggable platform builds, downgrades are permitted even for 13024 // non-debuggable packages to make testing easier. Debuggable platform builds do 13025 // not offer security guarantees and thus it's OK to disable some security 13026 // mechanisms to make debugging/testing easier on those builds. However, even on 13027 // debuggable builds downgrades of packages are permitted only if requested via 13028 // installFlags. This is because we aim to keep the behavior of debuggable 13029 // platform builds as close as possible to the behavior of non-debuggable 13030 // platform builds. 13031 final boolean downgradeRequested = 13032 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 13033 final boolean packageDebuggable = 13034 (dataOwnerPkg.applicationInfo.flags 13035 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 13036 final boolean downgradePermitted = 13037 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 13038 if (!downgradePermitted) { 13039 try { 13040 checkDowngrade(dataOwnerPkg, pkgLite); 13041 } catch (PackageManagerException e) { 13042 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 13043 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 13044 } 13045 } 13046 } 13047 13048 if (installedPkg != null) { 13049 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13050 // Check for updated system application. 13051 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13052 if (onSd) { 13053 Slog.w(TAG, "Cannot install update to system app on sdcard"); 13054 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 13055 } 13056 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13057 } else { 13058 if (onSd) { 13059 // Install flag overrides everything. 13060 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13061 } 13062 // If current upgrade specifies particular preference 13063 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 13064 // Application explicitly specified internal. 13065 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13066 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 13067 // App explictly prefers external. Let policy decide 13068 } else { 13069 // Prefer previous location 13070 if (isExternal(installedPkg)) { 13071 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13072 } 13073 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13074 } 13075 } 13076 } else { 13077 // Invalid install. Return error code 13078 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 13079 } 13080 } 13081 } 13082 // All the special cases have been taken care of. 13083 // Return result based on recommended install location. 13084 if (onSd) { 13085 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13086 } 13087 return pkgLite.recommendedInstallLocation; 13088 } 13089 13090 /* 13091 * Invoke remote method to get package information and install 13092 * location values. Override install location based on default 13093 * policy if needed and then create install arguments based 13094 * on the install location. 13095 */ 13096 public void handleStartCopy() throws RemoteException { 13097 int ret = PackageManager.INSTALL_SUCCEEDED; 13098 13099 // If we're already staged, we've firmly committed to an install location 13100 if (origin.staged) { 13101 if (origin.file != null) { 13102 installFlags |= PackageManager.INSTALL_INTERNAL; 13103 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13104 } else if (origin.cid != null) { 13105 installFlags |= PackageManager.INSTALL_EXTERNAL; 13106 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13107 } else { 13108 throw new IllegalStateException("Invalid stage location"); 13109 } 13110 } 13111 13112 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13113 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 13114 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13115 PackageInfoLite pkgLite = null; 13116 13117 if (onInt && onSd) { 13118 // Check if both bits are set. 13119 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 13120 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13121 } else if (onSd && ephemeral) { 13122 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 13123 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13124 } else { 13125 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 13126 packageAbiOverride); 13127 13128 if (DEBUG_EPHEMERAL && ephemeral) { 13129 Slog.v(TAG, "pkgLite for install: " + pkgLite); 13130 } 13131 13132 /* 13133 * If we have too little free space, try to free cache 13134 * before giving up. 13135 */ 13136 if (!origin.staged && pkgLite.recommendedInstallLocation 13137 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13138 // TODO: focus freeing disk space on the target device 13139 final StorageManager storage = StorageManager.from(mContext); 13140 final long lowThreshold = storage.getStorageLowBytes( 13141 Environment.getDataDirectory()); 13142 13143 final long sizeBytes = mContainerService.calculateInstalledSize( 13144 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 13145 13146 try { 13147 mInstaller.freeCache(null, sizeBytes + lowThreshold); 13148 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 13149 installFlags, packageAbiOverride); 13150 } catch (InstallerException e) { 13151 Slog.w(TAG, "Failed to free cache", e); 13152 } 13153 13154 /* 13155 * The cache free must have deleted the file we 13156 * downloaded to install. 13157 * 13158 * TODO: fix the "freeCache" call to not delete 13159 * the file we care about. 13160 */ 13161 if (pkgLite.recommendedInstallLocation 13162 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13163 pkgLite.recommendedInstallLocation 13164 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 13165 } 13166 } 13167 } 13168 13169 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13170 int loc = pkgLite.recommendedInstallLocation; 13171 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 13172 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13173 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 13174 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13175 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13176 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13177 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13178 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13179 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13180 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13181 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13182 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13183 } else { 13184 // Override with defaults if needed. 13185 loc = installLocationPolicy(pkgLite); 13186 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13187 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13188 } else if (!onSd && !onInt) { 13189 // Override install location with flags 13190 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13191 // Set the flag to install on external media. 13192 installFlags |= PackageManager.INSTALL_EXTERNAL; 13193 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13194 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13195 if (DEBUG_EPHEMERAL) { 13196 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13197 } 13198 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13199 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13200 |PackageManager.INSTALL_INTERNAL); 13201 } else { 13202 // Make sure the flag for installing on external 13203 // media is unset 13204 installFlags |= PackageManager.INSTALL_INTERNAL; 13205 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13206 } 13207 } 13208 } 13209 } 13210 13211 final InstallArgs args = createInstallArgs(this); 13212 mArgs = args; 13213 13214 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13215 // TODO: http://b/22976637 13216 // Apps installed for "all" users use the device owner to verify the app 13217 UserHandle verifierUser = getUser(); 13218 if (verifierUser == UserHandle.ALL) { 13219 verifierUser = UserHandle.SYSTEM; 13220 } 13221 13222 /* 13223 * Determine if we have any installed package verifiers. If we 13224 * do, then we'll defer to them to verify the packages. 13225 */ 13226 final int requiredUid = mRequiredVerifierPackage == null ? -1 13227 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13228 verifierUser.getIdentifier()); 13229 if (!origin.existing && requiredUid != -1 13230 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13231 final Intent verification = new Intent( 13232 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13233 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13234 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13235 PACKAGE_MIME_TYPE); 13236 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13237 13238 // Query all live verifiers based on current user state 13239 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13240 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13241 13242 if (DEBUG_VERIFY) { 13243 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13244 + verification.toString() + " with " + pkgLite.verifiers.length 13245 + " optional verifiers"); 13246 } 13247 13248 final int verificationId = mPendingVerificationToken++; 13249 13250 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13251 13252 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13253 installerPackageName); 13254 13255 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13256 installFlags); 13257 13258 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13259 pkgLite.packageName); 13260 13261 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13262 pkgLite.versionCode); 13263 13264 if (verificationInfo != null) { 13265 if (verificationInfo.originatingUri != null) { 13266 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13267 verificationInfo.originatingUri); 13268 } 13269 if (verificationInfo.referrer != null) { 13270 verification.putExtra(Intent.EXTRA_REFERRER, 13271 verificationInfo.referrer); 13272 } 13273 if (verificationInfo.originatingUid >= 0) { 13274 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13275 verificationInfo.originatingUid); 13276 } 13277 if (verificationInfo.installerUid >= 0) { 13278 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13279 verificationInfo.installerUid); 13280 } 13281 } 13282 13283 final PackageVerificationState verificationState = new PackageVerificationState( 13284 requiredUid, args); 13285 13286 mPendingVerification.append(verificationId, verificationState); 13287 13288 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13289 receivers, verificationState); 13290 13291 /* 13292 * If any sufficient verifiers were listed in the package 13293 * manifest, attempt to ask them. 13294 */ 13295 if (sufficientVerifiers != null) { 13296 final int N = sufficientVerifiers.size(); 13297 if (N == 0) { 13298 Slog.i(TAG, "Additional verifiers required, but none installed."); 13299 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13300 } else { 13301 for (int i = 0; i < N; i++) { 13302 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13303 13304 final Intent sufficientIntent = new Intent(verification); 13305 sufficientIntent.setComponent(verifierComponent); 13306 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13307 } 13308 } 13309 } 13310 13311 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13312 mRequiredVerifierPackage, receivers); 13313 if (ret == PackageManager.INSTALL_SUCCEEDED 13314 && mRequiredVerifierPackage != null) { 13315 Trace.asyncTraceBegin( 13316 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13317 /* 13318 * Send the intent to the required verification agent, 13319 * but only start the verification timeout after the 13320 * target BroadcastReceivers have run. 13321 */ 13322 verification.setComponent(requiredVerifierComponent); 13323 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13324 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13325 new BroadcastReceiver() { 13326 @Override 13327 public void onReceive(Context context, Intent intent) { 13328 final Message msg = mHandler 13329 .obtainMessage(CHECK_PENDING_VERIFICATION); 13330 msg.arg1 = verificationId; 13331 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13332 } 13333 }, null, 0, null, null); 13334 13335 /* 13336 * We don't want the copy to proceed until verification 13337 * succeeds, so null out this field. 13338 */ 13339 mArgs = null; 13340 } 13341 } else { 13342 /* 13343 * No package verification is enabled, so immediately start 13344 * the remote call to initiate copy using temporary file. 13345 */ 13346 ret = args.copyApk(mContainerService, true); 13347 } 13348 } 13349 13350 mRet = ret; 13351 } 13352 13353 @Override 13354 void handleReturnCode() { 13355 // If mArgs is null, then MCS couldn't be reached. When it 13356 // reconnects, it will try again to install. At that point, this 13357 // will succeed. 13358 if (mArgs != null) { 13359 processPendingInstall(mArgs, mRet); 13360 } 13361 } 13362 13363 @Override 13364 void handleServiceError() { 13365 mArgs = createInstallArgs(this); 13366 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13367 } 13368 13369 public boolean isForwardLocked() { 13370 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13371 } 13372 } 13373 13374 /** 13375 * Used during creation of InstallArgs 13376 * 13377 * @param installFlags package installation flags 13378 * @return true if should be installed on external storage 13379 */ 13380 private static boolean installOnExternalAsec(int installFlags) { 13381 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13382 return false; 13383 } 13384 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13385 return true; 13386 } 13387 return false; 13388 } 13389 13390 /** 13391 * Used during creation of InstallArgs 13392 * 13393 * @param installFlags package installation flags 13394 * @return true if should be installed as forward locked 13395 */ 13396 private static boolean installForwardLocked(int installFlags) { 13397 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13398 } 13399 13400 private InstallArgs createInstallArgs(InstallParams params) { 13401 if (params.move != null) { 13402 return new MoveInstallArgs(params); 13403 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13404 return new AsecInstallArgs(params); 13405 } else { 13406 return new FileInstallArgs(params); 13407 } 13408 } 13409 13410 /** 13411 * Create args that describe an existing installed package. Typically used 13412 * when cleaning up old installs, or used as a move source. 13413 */ 13414 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13415 String resourcePath, String[] instructionSets) { 13416 final boolean isInAsec; 13417 if (installOnExternalAsec(installFlags)) { 13418 /* Apps on SD card are always in ASEC containers. */ 13419 isInAsec = true; 13420 } else if (installForwardLocked(installFlags) 13421 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13422 /* 13423 * Forward-locked apps are only in ASEC containers if they're the 13424 * new style 13425 */ 13426 isInAsec = true; 13427 } else { 13428 isInAsec = false; 13429 } 13430 13431 if (isInAsec) { 13432 return new AsecInstallArgs(codePath, instructionSets, 13433 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13434 } else { 13435 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13436 } 13437 } 13438 13439 static abstract class InstallArgs { 13440 /** @see InstallParams#origin */ 13441 final OriginInfo origin; 13442 /** @see InstallParams#move */ 13443 final MoveInfo move; 13444 13445 final IPackageInstallObserver2 observer; 13446 // Always refers to PackageManager flags only 13447 final int installFlags; 13448 final String installerPackageName; 13449 final String volumeUuid; 13450 final UserHandle user; 13451 final String abiOverride; 13452 final String[] installGrantPermissions; 13453 /** If non-null, drop an async trace when the install completes */ 13454 final String traceMethod; 13455 final int traceCookie; 13456 final Certificate[][] certificates; 13457 13458 // The list of instruction sets supported by this app. This is currently 13459 // only used during the rmdex() phase to clean up resources. We can get rid of this 13460 // if we move dex files under the common app path. 13461 /* nullable */ String[] instructionSets; 13462 13463 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13464 int installFlags, String installerPackageName, String volumeUuid, 13465 UserHandle user, String[] instructionSets, 13466 String abiOverride, String[] installGrantPermissions, 13467 String traceMethod, int traceCookie, Certificate[][] certificates) { 13468 this.origin = origin; 13469 this.move = move; 13470 this.installFlags = installFlags; 13471 this.observer = observer; 13472 this.installerPackageName = installerPackageName; 13473 this.volumeUuid = volumeUuid; 13474 this.user = user; 13475 this.instructionSets = instructionSets; 13476 this.abiOverride = abiOverride; 13477 this.installGrantPermissions = installGrantPermissions; 13478 this.traceMethod = traceMethod; 13479 this.traceCookie = traceCookie; 13480 this.certificates = certificates; 13481 } 13482 13483 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13484 abstract int doPreInstall(int status); 13485 13486 /** 13487 * Rename package into final resting place. All paths on the given 13488 * scanned package should be updated to reflect the rename. 13489 */ 13490 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13491 abstract int doPostInstall(int status, int uid); 13492 13493 /** @see PackageSettingBase#codePathString */ 13494 abstract String getCodePath(); 13495 /** @see PackageSettingBase#resourcePathString */ 13496 abstract String getResourcePath(); 13497 13498 // Need installer lock especially for dex file removal. 13499 abstract void cleanUpResourcesLI(); 13500 abstract boolean doPostDeleteLI(boolean delete); 13501 13502 /** 13503 * Called before the source arguments are copied. This is used mostly 13504 * for MoveParams when it needs to read the source file to put it in the 13505 * destination. 13506 */ 13507 int doPreCopy() { 13508 return PackageManager.INSTALL_SUCCEEDED; 13509 } 13510 13511 /** 13512 * Called after the source arguments are copied. This is used mostly for 13513 * MoveParams when it needs to read the source file to put it in the 13514 * destination. 13515 */ 13516 int doPostCopy(int uid) { 13517 return PackageManager.INSTALL_SUCCEEDED; 13518 } 13519 13520 protected boolean isFwdLocked() { 13521 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13522 } 13523 13524 protected boolean isExternalAsec() { 13525 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13526 } 13527 13528 protected boolean isEphemeral() { 13529 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13530 } 13531 13532 UserHandle getUser() { 13533 return user; 13534 } 13535 } 13536 13537 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13538 if (!allCodePaths.isEmpty()) { 13539 if (instructionSets == null) { 13540 throw new IllegalStateException("instructionSet == null"); 13541 } 13542 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13543 for (String codePath : allCodePaths) { 13544 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13545 try { 13546 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13547 } catch (InstallerException ignored) { 13548 } 13549 } 13550 } 13551 } 13552 } 13553 13554 /** 13555 * Logic to handle installation of non-ASEC applications, including copying 13556 * and renaming logic. 13557 */ 13558 class FileInstallArgs extends InstallArgs { 13559 private File codeFile; 13560 private File resourceFile; 13561 13562 // Example topology: 13563 // /data/app/com.example/base.apk 13564 // /data/app/com.example/split_foo.apk 13565 // /data/app/com.example/lib/arm/libfoo.so 13566 // /data/app/com.example/lib/arm64/libfoo.so 13567 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13568 13569 /** New install */ 13570 FileInstallArgs(InstallParams params) { 13571 super(params.origin, params.move, params.observer, params.installFlags, 13572 params.installerPackageName, params.volumeUuid, 13573 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13574 params.grantedRuntimePermissions, 13575 params.traceMethod, params.traceCookie, params.certificates); 13576 if (isFwdLocked()) { 13577 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13578 } 13579 } 13580 13581 /** Existing install */ 13582 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13583 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13584 null, null, null, 0, null /*certificates*/); 13585 this.codeFile = (codePath != null) ? new File(codePath) : null; 13586 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13587 } 13588 13589 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13590 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13591 try { 13592 return doCopyApk(imcs, temp); 13593 } finally { 13594 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13595 } 13596 } 13597 13598 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13599 if (origin.staged) { 13600 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13601 codeFile = origin.file; 13602 resourceFile = origin.file; 13603 return PackageManager.INSTALL_SUCCEEDED; 13604 } 13605 13606 try { 13607 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13608 final File tempDir = 13609 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13610 codeFile = tempDir; 13611 resourceFile = tempDir; 13612 } catch (IOException e) { 13613 Slog.w(TAG, "Failed to create copy file: " + e); 13614 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13615 } 13616 13617 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13618 @Override 13619 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13620 if (!FileUtils.isValidExtFilename(name)) { 13621 throw new IllegalArgumentException("Invalid filename: " + name); 13622 } 13623 try { 13624 final File file = new File(codeFile, name); 13625 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13626 O_RDWR | O_CREAT, 0644); 13627 Os.chmod(file.getAbsolutePath(), 0644); 13628 return new ParcelFileDescriptor(fd); 13629 } catch (ErrnoException e) { 13630 throw new RemoteException("Failed to open: " + e.getMessage()); 13631 } 13632 } 13633 }; 13634 13635 int ret = PackageManager.INSTALL_SUCCEEDED; 13636 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13637 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13638 Slog.e(TAG, "Failed to copy package"); 13639 return ret; 13640 } 13641 13642 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13643 NativeLibraryHelper.Handle handle = null; 13644 try { 13645 handle = NativeLibraryHelper.Handle.create(codeFile); 13646 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13647 abiOverride); 13648 } catch (IOException e) { 13649 Slog.e(TAG, "Copying native libraries failed", e); 13650 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13651 } finally { 13652 IoUtils.closeQuietly(handle); 13653 } 13654 13655 return ret; 13656 } 13657 13658 int doPreInstall(int status) { 13659 if (status != PackageManager.INSTALL_SUCCEEDED) { 13660 cleanUp(); 13661 } 13662 return status; 13663 } 13664 13665 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13666 if (status != PackageManager.INSTALL_SUCCEEDED) { 13667 cleanUp(); 13668 return false; 13669 } 13670 13671 final File targetDir = codeFile.getParentFile(); 13672 final File beforeCodeFile = codeFile; 13673 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13674 13675 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13676 try { 13677 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13678 } catch (ErrnoException e) { 13679 Slog.w(TAG, "Failed to rename", e); 13680 return false; 13681 } 13682 13683 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13684 Slog.w(TAG, "Failed to restorecon"); 13685 return false; 13686 } 13687 13688 // Reflect the rename internally 13689 codeFile = afterCodeFile; 13690 resourceFile = afterCodeFile; 13691 13692 // Reflect the rename in scanned details 13693 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13694 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13695 afterCodeFile, pkg.baseCodePath)); 13696 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13697 afterCodeFile, pkg.splitCodePaths)); 13698 13699 // Reflect the rename in app info 13700 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13701 pkg.setApplicationInfoCodePath(pkg.codePath); 13702 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13703 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13704 pkg.setApplicationInfoResourcePath(pkg.codePath); 13705 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13706 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13707 13708 return true; 13709 } 13710 13711 int doPostInstall(int status, int uid) { 13712 if (status != PackageManager.INSTALL_SUCCEEDED) { 13713 cleanUp(); 13714 } 13715 return status; 13716 } 13717 13718 @Override 13719 String getCodePath() { 13720 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13721 } 13722 13723 @Override 13724 String getResourcePath() { 13725 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13726 } 13727 13728 private boolean cleanUp() { 13729 if (codeFile == null || !codeFile.exists()) { 13730 return false; 13731 } 13732 13733 removeCodePathLI(codeFile); 13734 13735 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13736 resourceFile.delete(); 13737 } 13738 13739 return true; 13740 } 13741 13742 void cleanUpResourcesLI() { 13743 // Try enumerating all code paths before deleting 13744 List<String> allCodePaths = Collections.EMPTY_LIST; 13745 if (codeFile != null && codeFile.exists()) { 13746 try { 13747 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13748 allCodePaths = pkg.getAllCodePaths(); 13749 } catch (PackageParserException e) { 13750 // Ignored; we tried our best 13751 } 13752 } 13753 13754 cleanUp(); 13755 removeDexFiles(allCodePaths, instructionSets); 13756 } 13757 13758 boolean doPostDeleteLI(boolean delete) { 13759 // XXX err, shouldn't we respect the delete flag? 13760 cleanUpResourcesLI(); 13761 return true; 13762 } 13763 } 13764 13765 private boolean isAsecExternal(String cid) { 13766 final String asecPath = PackageHelper.getSdFilesystem(cid); 13767 return !asecPath.startsWith(mAsecInternalPath); 13768 } 13769 13770 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13771 PackageManagerException { 13772 if (copyRet < 0) { 13773 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13774 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13775 throw new PackageManagerException(copyRet, message); 13776 } 13777 } 13778 } 13779 13780 /** 13781 * Extract the StorageManagerService "container ID" from the full code path of an 13782 * .apk. 13783 */ 13784 static String cidFromCodePath(String fullCodePath) { 13785 int eidx = fullCodePath.lastIndexOf("/"); 13786 String subStr1 = fullCodePath.substring(0, eidx); 13787 int sidx = subStr1.lastIndexOf("/"); 13788 return subStr1.substring(sidx+1, eidx); 13789 } 13790 13791 /** 13792 * Logic to handle installation of ASEC applications, including copying and 13793 * renaming logic. 13794 */ 13795 class AsecInstallArgs extends InstallArgs { 13796 static final String RES_FILE_NAME = "pkg.apk"; 13797 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13798 13799 String cid; 13800 String packagePath; 13801 String resourcePath; 13802 13803 /** New install */ 13804 AsecInstallArgs(InstallParams params) { 13805 super(params.origin, params.move, params.observer, params.installFlags, 13806 params.installerPackageName, params.volumeUuid, 13807 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13808 params.grantedRuntimePermissions, 13809 params.traceMethod, params.traceCookie, params.certificates); 13810 } 13811 13812 /** Existing install */ 13813 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13814 boolean isExternal, boolean isForwardLocked) { 13815 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13816 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13817 instructionSets, null, null, null, 0, null /*certificates*/); 13818 // Hackily pretend we're still looking at a full code path 13819 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13820 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13821 } 13822 13823 // Extract cid from fullCodePath 13824 int eidx = fullCodePath.lastIndexOf("/"); 13825 String subStr1 = fullCodePath.substring(0, eidx); 13826 int sidx = subStr1.lastIndexOf("/"); 13827 cid = subStr1.substring(sidx+1, eidx); 13828 setMountPath(subStr1); 13829 } 13830 13831 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13832 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13833 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13834 instructionSets, null, null, null, 0, null /*certificates*/); 13835 this.cid = cid; 13836 setMountPath(PackageHelper.getSdDir(cid)); 13837 } 13838 13839 void createCopyFile() { 13840 cid = mInstallerService.allocateExternalStageCidLegacy(); 13841 } 13842 13843 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13844 if (origin.staged && origin.cid != null) { 13845 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13846 cid = origin.cid; 13847 setMountPath(PackageHelper.getSdDir(cid)); 13848 return PackageManager.INSTALL_SUCCEEDED; 13849 } 13850 13851 if (temp) { 13852 createCopyFile(); 13853 } else { 13854 /* 13855 * Pre-emptively destroy the container since it's destroyed if 13856 * copying fails due to it existing anyway. 13857 */ 13858 PackageHelper.destroySdDir(cid); 13859 } 13860 13861 final String newMountPath = imcs.copyPackageToContainer( 13862 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13863 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13864 13865 if (newMountPath != null) { 13866 setMountPath(newMountPath); 13867 return PackageManager.INSTALL_SUCCEEDED; 13868 } else { 13869 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13870 } 13871 } 13872 13873 @Override 13874 String getCodePath() { 13875 return packagePath; 13876 } 13877 13878 @Override 13879 String getResourcePath() { 13880 return resourcePath; 13881 } 13882 13883 int doPreInstall(int status) { 13884 if (status != PackageManager.INSTALL_SUCCEEDED) { 13885 // Destroy container 13886 PackageHelper.destroySdDir(cid); 13887 } else { 13888 boolean mounted = PackageHelper.isContainerMounted(cid); 13889 if (!mounted) { 13890 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13891 Process.SYSTEM_UID); 13892 if (newMountPath != null) { 13893 setMountPath(newMountPath); 13894 } else { 13895 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13896 } 13897 } 13898 } 13899 return status; 13900 } 13901 13902 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13903 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13904 String newMountPath = null; 13905 if (PackageHelper.isContainerMounted(cid)) { 13906 // Unmount the container 13907 if (!PackageHelper.unMountSdDir(cid)) { 13908 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13909 return false; 13910 } 13911 } 13912 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13913 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13914 " which might be stale. Will try to clean up."); 13915 // Clean up the stale container and proceed to recreate. 13916 if (!PackageHelper.destroySdDir(newCacheId)) { 13917 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13918 return false; 13919 } 13920 // Successfully cleaned up stale container. Try to rename again. 13921 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13922 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13923 + " inspite of cleaning it up."); 13924 return false; 13925 } 13926 } 13927 if (!PackageHelper.isContainerMounted(newCacheId)) { 13928 Slog.w(TAG, "Mounting container " + newCacheId); 13929 newMountPath = PackageHelper.mountSdDir(newCacheId, 13930 getEncryptKey(), Process.SYSTEM_UID); 13931 } else { 13932 newMountPath = PackageHelper.getSdDir(newCacheId); 13933 } 13934 if (newMountPath == null) { 13935 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13936 return false; 13937 } 13938 Log.i(TAG, "Succesfully renamed " + cid + 13939 " to " + newCacheId + 13940 " at new path: " + newMountPath); 13941 cid = newCacheId; 13942 13943 final File beforeCodeFile = new File(packagePath); 13944 setMountPath(newMountPath); 13945 final File afterCodeFile = new File(packagePath); 13946 13947 // Reflect the rename in scanned details 13948 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13949 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13950 afterCodeFile, pkg.baseCodePath)); 13951 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13952 afterCodeFile, pkg.splitCodePaths)); 13953 13954 // Reflect the rename in app info 13955 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13956 pkg.setApplicationInfoCodePath(pkg.codePath); 13957 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13958 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13959 pkg.setApplicationInfoResourcePath(pkg.codePath); 13960 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13961 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13962 13963 return true; 13964 } 13965 13966 private void setMountPath(String mountPath) { 13967 final File mountFile = new File(mountPath); 13968 13969 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13970 if (monolithicFile.exists()) { 13971 packagePath = monolithicFile.getAbsolutePath(); 13972 if (isFwdLocked()) { 13973 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13974 } else { 13975 resourcePath = packagePath; 13976 } 13977 } else { 13978 packagePath = mountFile.getAbsolutePath(); 13979 resourcePath = packagePath; 13980 } 13981 } 13982 13983 int doPostInstall(int status, int uid) { 13984 if (status != PackageManager.INSTALL_SUCCEEDED) { 13985 cleanUp(); 13986 } else { 13987 final int groupOwner; 13988 final String protectedFile; 13989 if (isFwdLocked()) { 13990 groupOwner = UserHandle.getSharedAppGid(uid); 13991 protectedFile = RES_FILE_NAME; 13992 } else { 13993 groupOwner = -1; 13994 protectedFile = null; 13995 } 13996 13997 if (uid < Process.FIRST_APPLICATION_UID 13998 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13999 Slog.e(TAG, "Failed to finalize " + cid); 14000 PackageHelper.destroySdDir(cid); 14001 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14002 } 14003 14004 boolean mounted = PackageHelper.isContainerMounted(cid); 14005 if (!mounted) { 14006 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 14007 } 14008 } 14009 return status; 14010 } 14011 14012 private void cleanUp() { 14013 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 14014 14015 // Destroy secure container 14016 PackageHelper.destroySdDir(cid); 14017 } 14018 14019 private List<String> getAllCodePaths() { 14020 final File codeFile = new File(getCodePath()); 14021 if (codeFile != null && codeFile.exists()) { 14022 try { 14023 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 14024 return pkg.getAllCodePaths(); 14025 } catch (PackageParserException e) { 14026 // Ignored; we tried our best 14027 } 14028 } 14029 return Collections.EMPTY_LIST; 14030 } 14031 14032 void cleanUpResourcesLI() { 14033 // Enumerate all code paths before deleting 14034 cleanUpResourcesLI(getAllCodePaths()); 14035 } 14036 14037 private void cleanUpResourcesLI(List<String> allCodePaths) { 14038 cleanUp(); 14039 removeDexFiles(allCodePaths, instructionSets); 14040 } 14041 14042 String getPackageName() { 14043 return getAsecPackageName(cid); 14044 } 14045 14046 boolean doPostDeleteLI(boolean delete) { 14047 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 14048 final List<String> allCodePaths = getAllCodePaths(); 14049 boolean mounted = PackageHelper.isContainerMounted(cid); 14050 if (mounted) { 14051 // Unmount first 14052 if (PackageHelper.unMountSdDir(cid)) { 14053 mounted = false; 14054 } 14055 } 14056 if (!mounted && delete) { 14057 cleanUpResourcesLI(allCodePaths); 14058 } 14059 return !mounted; 14060 } 14061 14062 @Override 14063 int doPreCopy() { 14064 if (isFwdLocked()) { 14065 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 14066 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 14067 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14068 } 14069 } 14070 14071 return PackageManager.INSTALL_SUCCEEDED; 14072 } 14073 14074 @Override 14075 int doPostCopy(int uid) { 14076 if (isFwdLocked()) { 14077 if (uid < Process.FIRST_APPLICATION_UID 14078 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 14079 RES_FILE_NAME)) { 14080 Slog.e(TAG, "Failed to finalize " + cid); 14081 PackageHelper.destroySdDir(cid); 14082 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14083 } 14084 } 14085 14086 return PackageManager.INSTALL_SUCCEEDED; 14087 } 14088 } 14089 14090 /** 14091 * Logic to handle movement of existing installed applications. 14092 */ 14093 class MoveInstallArgs extends InstallArgs { 14094 private File codeFile; 14095 private File resourceFile; 14096 14097 /** New install */ 14098 MoveInstallArgs(InstallParams params) { 14099 super(params.origin, params.move, params.observer, params.installFlags, 14100 params.installerPackageName, params.volumeUuid, 14101 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 14102 params.grantedRuntimePermissions, 14103 params.traceMethod, params.traceCookie, params.certificates); 14104 } 14105 14106 int copyApk(IMediaContainerService imcs, boolean temp) { 14107 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 14108 + move.fromUuid + " to " + move.toUuid); 14109 synchronized (mInstaller) { 14110 try { 14111 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 14112 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 14113 } catch (InstallerException e) { 14114 Slog.w(TAG, "Failed to move app", e); 14115 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14116 } 14117 } 14118 14119 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 14120 resourceFile = codeFile; 14121 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 14122 14123 return PackageManager.INSTALL_SUCCEEDED; 14124 } 14125 14126 int doPreInstall(int status) { 14127 if (status != PackageManager.INSTALL_SUCCEEDED) { 14128 cleanUp(move.toUuid); 14129 } 14130 return status; 14131 } 14132 14133 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14134 if (status != PackageManager.INSTALL_SUCCEEDED) { 14135 cleanUp(move.toUuid); 14136 return false; 14137 } 14138 14139 // Reflect the move in app info 14140 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14141 pkg.setApplicationInfoCodePath(pkg.codePath); 14142 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14143 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14144 pkg.setApplicationInfoResourcePath(pkg.codePath); 14145 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14146 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14147 14148 return true; 14149 } 14150 14151 int doPostInstall(int status, int uid) { 14152 if (status == PackageManager.INSTALL_SUCCEEDED) { 14153 cleanUp(move.fromUuid); 14154 } else { 14155 cleanUp(move.toUuid); 14156 } 14157 return status; 14158 } 14159 14160 @Override 14161 String getCodePath() { 14162 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14163 } 14164 14165 @Override 14166 String getResourcePath() { 14167 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14168 } 14169 14170 private boolean cleanUp(String volumeUuid) { 14171 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 14172 move.dataAppName); 14173 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 14174 final int[] userIds = sUserManager.getUserIds(); 14175 synchronized (mInstallLock) { 14176 // Clean up both app data and code 14177 // All package moves are frozen until finished 14178 for (int userId : userIds) { 14179 try { 14180 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14181 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14182 } catch (InstallerException e) { 14183 Slog.w(TAG, String.valueOf(e)); 14184 } 14185 } 14186 removeCodePathLI(codeFile); 14187 } 14188 return true; 14189 } 14190 14191 void cleanUpResourcesLI() { 14192 throw new UnsupportedOperationException(); 14193 } 14194 14195 boolean doPostDeleteLI(boolean delete) { 14196 throw new UnsupportedOperationException(); 14197 } 14198 } 14199 14200 static String getAsecPackageName(String packageCid) { 14201 int idx = packageCid.lastIndexOf("-"); 14202 if (idx == -1) { 14203 return packageCid; 14204 } 14205 return packageCid.substring(0, idx); 14206 } 14207 14208 // Utility method used to create code paths based on package name and available index. 14209 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14210 String idxStr = ""; 14211 int idx = 1; 14212 // Fall back to default value of idx=1 if prefix is not 14213 // part of oldCodePath 14214 if (oldCodePath != null) { 14215 String subStr = oldCodePath; 14216 // Drop the suffix right away 14217 if (suffix != null && subStr.endsWith(suffix)) { 14218 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14219 } 14220 // If oldCodePath already contains prefix find out the 14221 // ending index to either increment or decrement. 14222 int sidx = subStr.lastIndexOf(prefix); 14223 if (sidx != -1) { 14224 subStr = subStr.substring(sidx + prefix.length()); 14225 if (subStr != null) { 14226 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14227 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14228 } 14229 try { 14230 idx = Integer.parseInt(subStr); 14231 if (idx <= 1) { 14232 idx++; 14233 } else { 14234 idx--; 14235 } 14236 } catch(NumberFormatException e) { 14237 } 14238 } 14239 } 14240 } 14241 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14242 return prefix + idxStr; 14243 } 14244 14245 private File getNextCodePath(File targetDir, String packageName) { 14246 File result; 14247 SecureRandom random = new SecureRandom(); 14248 byte[] bytes = new byte[16]; 14249 do { 14250 random.nextBytes(bytes); 14251 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 14252 result = new File(targetDir, packageName + "-" + suffix); 14253 } while (result.exists()); 14254 return result; 14255 } 14256 14257 // Utility method that returns the relative package path with respect 14258 // to the installation directory. Like say for /data/data/com.test-1.apk 14259 // string com.test-1 is returned. 14260 static String deriveCodePathName(String codePath) { 14261 if (codePath == null) { 14262 return null; 14263 } 14264 final File codeFile = new File(codePath); 14265 final String name = codeFile.getName(); 14266 if (codeFile.isDirectory()) { 14267 return name; 14268 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14269 final int lastDot = name.lastIndexOf('.'); 14270 return name.substring(0, lastDot); 14271 } else { 14272 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14273 return null; 14274 } 14275 } 14276 14277 static class PackageInstalledInfo { 14278 String name; 14279 int uid; 14280 // The set of users that originally had this package installed. 14281 int[] origUsers; 14282 // The set of users that now have this package installed. 14283 int[] newUsers; 14284 PackageParser.Package pkg; 14285 int returnCode; 14286 String returnMsg; 14287 PackageRemovedInfo removedInfo; 14288 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14289 14290 public void setError(int code, String msg) { 14291 setReturnCode(code); 14292 setReturnMessage(msg); 14293 Slog.w(TAG, msg); 14294 } 14295 14296 public void setError(String msg, PackageParserException e) { 14297 setReturnCode(e.error); 14298 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14299 Slog.w(TAG, msg, e); 14300 } 14301 14302 public void setError(String msg, PackageManagerException e) { 14303 returnCode = e.error; 14304 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14305 Slog.w(TAG, msg, e); 14306 } 14307 14308 public void setReturnCode(int returnCode) { 14309 this.returnCode = returnCode; 14310 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14311 for (int i = 0; i < childCount; i++) { 14312 addedChildPackages.valueAt(i).returnCode = returnCode; 14313 } 14314 } 14315 14316 private void setReturnMessage(String returnMsg) { 14317 this.returnMsg = returnMsg; 14318 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14319 for (int i = 0; i < childCount; i++) { 14320 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14321 } 14322 } 14323 14324 // In some error cases we want to convey more info back to the observer 14325 String origPackage; 14326 String origPermission; 14327 } 14328 14329 /* 14330 * Install a non-existing package. 14331 */ 14332 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14333 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14334 PackageInstalledInfo res) { 14335 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14336 14337 // Remember this for later, in case we need to rollback this install 14338 String pkgName = pkg.packageName; 14339 14340 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14341 14342 synchronized(mPackages) { 14343 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 14344 if (renamedPackage != null) { 14345 // A package with the same name is already installed, though 14346 // it has been renamed to an older name. The package we 14347 // are trying to install should be installed as an update to 14348 // the existing one, but that has not been requested, so bail. 14349 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14350 + " without first uninstalling package running as " 14351 + renamedPackage); 14352 return; 14353 } 14354 if (mPackages.containsKey(pkgName)) { 14355 // Don't allow installation over an existing package with the same name. 14356 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14357 + " without first uninstalling."); 14358 return; 14359 } 14360 } 14361 14362 try { 14363 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14364 System.currentTimeMillis(), user); 14365 14366 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14367 14368 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14369 prepareAppDataAfterInstallLIF(newPackage); 14370 14371 } else { 14372 // Remove package from internal structures, but keep around any 14373 // data that might have already existed 14374 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14375 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14376 } 14377 } catch (PackageManagerException e) { 14378 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14379 } 14380 14381 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14382 } 14383 14384 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14385 // Can't rotate keys during boot or if sharedUser. 14386 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14387 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14388 return false; 14389 } 14390 // app is using upgradeKeySets; make sure all are valid 14391 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14392 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14393 for (int i = 0; i < upgradeKeySets.length; i++) { 14394 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14395 Slog.wtf(TAG, "Package " 14396 + (oldPs.name != null ? oldPs.name : "<null>") 14397 + " contains upgrade-key-set reference to unknown key-set: " 14398 + upgradeKeySets[i] 14399 + " reverting to signatures check."); 14400 return false; 14401 } 14402 } 14403 return true; 14404 } 14405 14406 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14407 // Upgrade keysets are being used. Determine if new package has a superset of the 14408 // required keys. 14409 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14410 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14411 for (int i = 0; i < upgradeKeySets.length; i++) { 14412 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14413 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14414 return true; 14415 } 14416 } 14417 return false; 14418 } 14419 14420 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14421 try (DigestInputStream digestStream = 14422 new DigestInputStream(new FileInputStream(file), digest)) { 14423 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14424 } 14425 } 14426 14427 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14428 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14429 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14430 14431 final PackageParser.Package oldPackage; 14432 final String pkgName = pkg.packageName; 14433 final int[] allUsers; 14434 final int[] installedUsers; 14435 14436 synchronized(mPackages) { 14437 oldPackage = mPackages.get(pkgName); 14438 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14439 14440 // don't allow upgrade to target a release SDK from a pre-release SDK 14441 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14442 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14443 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14444 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14445 if (oldTargetsPreRelease 14446 && !newTargetsPreRelease 14447 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14448 Slog.w(TAG, "Can't install package targeting released sdk"); 14449 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14450 return; 14451 } 14452 14453 // don't allow an upgrade from full to ephemeral 14454 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14455 if (isEphemeral && !oldIsEphemeral) { 14456 // can't downgrade from full to ephemeral 14457 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14458 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14459 return; 14460 } 14461 14462 // verify signatures are valid 14463 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14464 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14465 if (!checkUpgradeKeySetLP(ps, pkg)) { 14466 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14467 "New package not signed by keys specified by upgrade-keysets: " 14468 + pkgName); 14469 return; 14470 } 14471 } else { 14472 // default to original signature matching 14473 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14474 != PackageManager.SIGNATURE_MATCH) { 14475 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14476 "New package has a different signature: " + pkgName); 14477 return; 14478 } 14479 } 14480 14481 // don't allow a system upgrade unless the upgrade hash matches 14482 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14483 byte[] digestBytes = null; 14484 try { 14485 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14486 updateDigest(digest, new File(pkg.baseCodePath)); 14487 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14488 for (String path : pkg.splitCodePaths) { 14489 updateDigest(digest, new File(path)); 14490 } 14491 } 14492 digestBytes = digest.digest(); 14493 } catch (NoSuchAlgorithmException | IOException e) { 14494 res.setError(INSTALL_FAILED_INVALID_APK, 14495 "Could not compute hash: " + pkgName); 14496 return; 14497 } 14498 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14499 res.setError(INSTALL_FAILED_INVALID_APK, 14500 "New package fails restrict-update check: " + pkgName); 14501 return; 14502 } 14503 // retain upgrade restriction 14504 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14505 } 14506 14507 // Check for shared user id changes 14508 String invalidPackageName = 14509 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14510 if (invalidPackageName != null) { 14511 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14512 "Package " + invalidPackageName + " tried to change user " 14513 + oldPackage.mSharedUserId); 14514 return; 14515 } 14516 14517 // In case of rollback, remember per-user/profile install state 14518 allUsers = sUserManager.getUserIds(); 14519 installedUsers = ps.queryInstalledUsers(allUsers, true); 14520 } 14521 14522 // Update what is removed 14523 res.removedInfo = new PackageRemovedInfo(); 14524 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14525 res.removedInfo.removedPackage = oldPackage.packageName; 14526 res.removedInfo.isUpdate = true; 14527 res.removedInfo.origUsers = installedUsers; 14528 final int childCount = (oldPackage.childPackages != null) 14529 ? oldPackage.childPackages.size() : 0; 14530 for (int i = 0; i < childCount; i++) { 14531 boolean childPackageUpdated = false; 14532 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14533 if (res.addedChildPackages != null) { 14534 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14535 if (childRes != null) { 14536 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14537 childRes.removedInfo.removedPackage = childPkg.packageName; 14538 childRes.removedInfo.isUpdate = true; 14539 childPackageUpdated = true; 14540 } 14541 } 14542 if (!childPackageUpdated) { 14543 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14544 childRemovedRes.removedPackage = childPkg.packageName; 14545 childRemovedRes.isUpdate = false; 14546 childRemovedRes.dataRemoved = true; 14547 synchronized (mPackages) { 14548 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 14549 if (childPs != null) { 14550 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14551 } 14552 } 14553 if (res.removedInfo.removedChildPackages == null) { 14554 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14555 } 14556 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14557 } 14558 } 14559 14560 boolean sysPkg = (isSystemApp(oldPackage)); 14561 if (sysPkg) { 14562 // Set the system/privileged flags as needed 14563 final boolean privileged = 14564 (oldPackage.applicationInfo.privateFlags 14565 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14566 final int systemPolicyFlags = policyFlags 14567 | PackageParser.PARSE_IS_SYSTEM 14568 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14569 14570 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14571 user, allUsers, installerPackageName, res); 14572 } else { 14573 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14574 user, allUsers, installerPackageName, res); 14575 } 14576 } 14577 14578 public List<String> getPreviousCodePaths(String packageName) { 14579 final PackageSetting ps = mSettings.mPackages.get(packageName); 14580 final List<String> result = new ArrayList<String>(); 14581 if (ps != null && ps.oldCodePaths != null) { 14582 result.addAll(ps.oldCodePaths); 14583 } 14584 return result; 14585 } 14586 14587 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14588 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14589 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14590 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14591 + deletedPackage); 14592 14593 String pkgName = deletedPackage.packageName; 14594 boolean deletedPkg = true; 14595 boolean addedPkg = false; 14596 boolean updatedSettings = false; 14597 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14598 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14599 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14600 14601 final long origUpdateTime = (pkg.mExtras != null) 14602 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14603 14604 // First delete the existing package while retaining the data directory 14605 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14606 res.removedInfo, true, pkg)) { 14607 // If the existing package wasn't successfully deleted 14608 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14609 deletedPkg = false; 14610 } else { 14611 // Successfully deleted the old package; proceed with replace. 14612 14613 // If deleted package lived in a container, give users a chance to 14614 // relinquish resources before killing. 14615 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14616 if (DEBUG_INSTALL) { 14617 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14618 } 14619 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14620 final ArrayList<String> pkgList = new ArrayList<String>(1); 14621 pkgList.add(deletedPackage.applicationInfo.packageName); 14622 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14623 } 14624 14625 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14626 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14627 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14628 14629 try { 14630 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14631 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14632 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14633 14634 // Update the in-memory copy of the previous code paths. 14635 PackageSetting ps = mSettings.mPackages.get(pkgName); 14636 if (!killApp) { 14637 if (ps.oldCodePaths == null) { 14638 ps.oldCodePaths = new ArraySet<>(); 14639 } 14640 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14641 if (deletedPackage.splitCodePaths != null) { 14642 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14643 } 14644 } else { 14645 ps.oldCodePaths = null; 14646 } 14647 if (ps.childPackageNames != null) { 14648 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14649 final String childPkgName = ps.childPackageNames.get(i); 14650 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14651 childPs.oldCodePaths = ps.oldCodePaths; 14652 } 14653 } 14654 prepareAppDataAfterInstallLIF(newPackage); 14655 addedPkg = true; 14656 } catch (PackageManagerException e) { 14657 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14658 } 14659 } 14660 14661 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14662 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14663 14664 // Revert all internal state mutations and added folders for the failed install 14665 if (addedPkg) { 14666 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14667 res.removedInfo, true, null); 14668 } 14669 14670 // Restore the old package 14671 if (deletedPkg) { 14672 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14673 File restoreFile = new File(deletedPackage.codePath); 14674 // Parse old package 14675 boolean oldExternal = isExternal(deletedPackage); 14676 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14677 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14678 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14679 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14680 try { 14681 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14682 null); 14683 } catch (PackageManagerException e) { 14684 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14685 + e.getMessage()); 14686 return; 14687 } 14688 14689 synchronized (mPackages) { 14690 // Ensure the installer package name up to date 14691 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14692 14693 // Update permissions for restored package 14694 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14695 14696 mSettings.writeLPr(); 14697 } 14698 14699 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14700 } 14701 } else { 14702 synchronized (mPackages) { 14703 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 14704 if (ps != null) { 14705 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14706 if (res.removedInfo.removedChildPackages != null) { 14707 final int childCount = res.removedInfo.removedChildPackages.size(); 14708 // Iterate in reverse as we may modify the collection 14709 for (int i = childCount - 1; i >= 0; i--) { 14710 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14711 if (res.addedChildPackages.containsKey(childPackageName)) { 14712 res.removedInfo.removedChildPackages.removeAt(i); 14713 } else { 14714 PackageRemovedInfo childInfo = res.removedInfo 14715 .removedChildPackages.valueAt(i); 14716 childInfo.removedForAllUsers = mPackages.get( 14717 childInfo.removedPackage) == null; 14718 } 14719 } 14720 } 14721 } 14722 } 14723 } 14724 } 14725 14726 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14727 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14728 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14729 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14730 + ", old=" + deletedPackage); 14731 14732 final boolean disabledSystem; 14733 14734 // Remove existing system package 14735 removePackageLI(deletedPackage, true); 14736 14737 synchronized (mPackages) { 14738 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14739 } 14740 if (!disabledSystem) { 14741 // We didn't need to disable the .apk as a current system package, 14742 // which means we are replacing another update that is already 14743 // installed. We need to make sure to delete the older one's .apk. 14744 res.removedInfo.args = createInstallArgsForExisting(0, 14745 deletedPackage.applicationInfo.getCodePath(), 14746 deletedPackage.applicationInfo.getResourcePath(), 14747 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14748 } else { 14749 res.removedInfo.args = null; 14750 } 14751 14752 // Successfully disabled the old package. Now proceed with re-installation 14753 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14754 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14755 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14756 14757 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14758 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14759 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14760 14761 PackageParser.Package newPackage = null; 14762 try { 14763 // Add the package to the internal data structures 14764 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14765 14766 // Set the update and install times 14767 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14768 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14769 System.currentTimeMillis()); 14770 14771 // Update the package dynamic state if succeeded 14772 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14773 // Now that the install succeeded make sure we remove data 14774 // directories for any child package the update removed. 14775 final int deletedChildCount = (deletedPackage.childPackages != null) 14776 ? deletedPackage.childPackages.size() : 0; 14777 final int newChildCount = (newPackage.childPackages != null) 14778 ? newPackage.childPackages.size() : 0; 14779 for (int i = 0; i < deletedChildCount; i++) { 14780 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14781 boolean childPackageDeleted = true; 14782 for (int j = 0; j < newChildCount; j++) { 14783 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14784 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14785 childPackageDeleted = false; 14786 break; 14787 } 14788 } 14789 if (childPackageDeleted) { 14790 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14791 deletedChildPkg.packageName); 14792 if (ps != null && res.removedInfo.removedChildPackages != null) { 14793 PackageRemovedInfo removedChildRes = res.removedInfo 14794 .removedChildPackages.get(deletedChildPkg.packageName); 14795 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14796 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14797 } 14798 } 14799 } 14800 14801 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14802 prepareAppDataAfterInstallLIF(newPackage); 14803 } 14804 } catch (PackageManagerException e) { 14805 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14806 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14807 } 14808 14809 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14810 // Re installation failed. Restore old information 14811 // Remove new pkg information 14812 if (newPackage != null) { 14813 removeInstalledPackageLI(newPackage, true); 14814 } 14815 // Add back the old system package 14816 try { 14817 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14818 } catch (PackageManagerException e) { 14819 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14820 } 14821 14822 synchronized (mPackages) { 14823 if (disabledSystem) { 14824 enableSystemPackageLPw(deletedPackage); 14825 } 14826 14827 // Ensure the installer package name up to date 14828 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14829 14830 // Update permissions for restored package 14831 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14832 14833 mSettings.writeLPr(); 14834 } 14835 14836 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14837 + " after failed upgrade"); 14838 } 14839 } 14840 14841 /** 14842 * Checks whether the parent or any of the child packages have a change shared 14843 * user. For a package to be a valid update the shred users of the parent and 14844 * the children should match. We may later support changing child shared users. 14845 * @param oldPkg The updated package. 14846 * @param newPkg The update package. 14847 * @return The shared user that change between the versions. 14848 */ 14849 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14850 PackageParser.Package newPkg) { 14851 // Check parent shared user 14852 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14853 return newPkg.packageName; 14854 } 14855 // Check child shared users 14856 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14857 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14858 for (int i = 0; i < newChildCount; i++) { 14859 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14860 // If this child was present, did it have the same shared user? 14861 for (int j = 0; j < oldChildCount; j++) { 14862 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14863 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14864 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14865 return newChildPkg.packageName; 14866 } 14867 } 14868 } 14869 return null; 14870 } 14871 14872 private void removeNativeBinariesLI(PackageSetting ps) { 14873 // Remove the lib path for the parent package 14874 if (ps != null) { 14875 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14876 // Remove the lib path for the child packages 14877 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14878 for (int i = 0; i < childCount; i++) { 14879 PackageSetting childPs = null; 14880 synchronized (mPackages) { 14881 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 14882 } 14883 if (childPs != null) { 14884 NativeLibraryHelper.removeNativeBinariesLI(childPs 14885 .legacyNativeLibraryPathString); 14886 } 14887 } 14888 } 14889 } 14890 14891 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14892 // Enable the parent package 14893 mSettings.enableSystemPackageLPw(pkg.packageName); 14894 // Enable the child packages 14895 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14896 for (int i = 0; i < childCount; i++) { 14897 PackageParser.Package childPkg = pkg.childPackages.get(i); 14898 mSettings.enableSystemPackageLPw(childPkg.packageName); 14899 } 14900 } 14901 14902 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14903 PackageParser.Package newPkg) { 14904 // Disable the parent package (parent always replaced) 14905 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14906 // Disable the child packages 14907 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14908 for (int i = 0; i < childCount; i++) { 14909 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14910 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14911 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14912 } 14913 return disabled; 14914 } 14915 14916 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14917 String installerPackageName) { 14918 // Enable the parent package 14919 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14920 // Enable the child packages 14921 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14922 for (int i = 0; i < childCount; i++) { 14923 PackageParser.Package childPkg = pkg.childPackages.get(i); 14924 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14925 } 14926 } 14927 14928 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14929 // Collect all used permissions in the UID 14930 ArraySet<String> usedPermissions = new ArraySet<>(); 14931 final int packageCount = su.packages.size(); 14932 for (int i = 0; i < packageCount; i++) { 14933 PackageSetting ps = su.packages.valueAt(i); 14934 if (ps.pkg == null) { 14935 continue; 14936 } 14937 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14938 for (int j = 0; j < requestedPermCount; j++) { 14939 String permission = ps.pkg.requestedPermissions.get(j); 14940 BasePermission bp = mSettings.mPermissions.get(permission); 14941 if (bp != null) { 14942 usedPermissions.add(permission); 14943 } 14944 } 14945 } 14946 14947 PermissionsState permissionsState = su.getPermissionsState(); 14948 // Prune install permissions 14949 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14950 final int installPermCount = installPermStates.size(); 14951 for (int i = installPermCount - 1; i >= 0; i--) { 14952 PermissionState permissionState = installPermStates.get(i); 14953 if (!usedPermissions.contains(permissionState.getName())) { 14954 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14955 if (bp != null) { 14956 permissionsState.revokeInstallPermission(bp); 14957 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14958 PackageManager.MASK_PERMISSION_FLAGS, 0); 14959 } 14960 } 14961 } 14962 14963 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14964 14965 // Prune runtime permissions 14966 for (int userId : allUserIds) { 14967 List<PermissionState> runtimePermStates = permissionsState 14968 .getRuntimePermissionStates(userId); 14969 final int runtimePermCount = runtimePermStates.size(); 14970 for (int i = runtimePermCount - 1; i >= 0; i--) { 14971 PermissionState permissionState = runtimePermStates.get(i); 14972 if (!usedPermissions.contains(permissionState.getName())) { 14973 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14974 if (bp != null) { 14975 permissionsState.revokeRuntimePermission(bp, userId); 14976 permissionsState.updatePermissionFlags(bp, userId, 14977 PackageManager.MASK_PERMISSION_FLAGS, 0); 14978 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14979 runtimePermissionChangedUserIds, userId); 14980 } 14981 } 14982 } 14983 } 14984 14985 return runtimePermissionChangedUserIds; 14986 } 14987 14988 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14989 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14990 // Update the parent package setting 14991 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14992 res, user); 14993 // Update the child packages setting 14994 final int childCount = (newPackage.childPackages != null) 14995 ? newPackage.childPackages.size() : 0; 14996 for (int i = 0; i < childCount; i++) { 14997 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14998 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14999 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 15000 childRes.origUsers, childRes, user); 15001 } 15002 } 15003 15004 private void updateSettingsInternalLI(PackageParser.Package newPackage, 15005 String installerPackageName, int[] allUsers, int[] installedForUsers, 15006 PackageInstalledInfo res, UserHandle user) { 15007 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 15008 15009 String pkgName = newPackage.packageName; 15010 synchronized (mPackages) { 15011 //write settings. the installStatus will be incomplete at this stage. 15012 //note that the new package setting would have already been 15013 //added to mPackages. It hasn't been persisted yet. 15014 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 15015 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15016 mSettings.writeLPr(); 15017 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15018 } 15019 15020 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 15021 synchronized (mPackages) { 15022 updatePermissionsLPw(newPackage.packageName, newPackage, 15023 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 15024 ? UPDATE_PERMISSIONS_ALL : 0)); 15025 // For system-bundled packages, we assume that installing an upgraded version 15026 // of the package implies that the user actually wants to run that new code, 15027 // so we enable the package. 15028 PackageSetting ps = mSettings.mPackages.get(pkgName); 15029 final int userId = user.getIdentifier(); 15030 if (ps != null) { 15031 if (isSystemApp(newPackage)) { 15032 if (DEBUG_INSTALL) { 15033 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 15034 } 15035 // Enable system package for requested users 15036 if (res.origUsers != null) { 15037 for (int origUserId : res.origUsers) { 15038 if (userId == UserHandle.USER_ALL || userId == origUserId) { 15039 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 15040 origUserId, installerPackageName); 15041 } 15042 } 15043 } 15044 // Also convey the prior install/uninstall state 15045 if (allUsers != null && installedForUsers != null) { 15046 for (int currentUserId : allUsers) { 15047 final boolean installed = ArrayUtils.contains( 15048 installedForUsers, currentUserId); 15049 if (DEBUG_INSTALL) { 15050 Slog.d(TAG, " user " + currentUserId + " => " + installed); 15051 } 15052 ps.setInstalled(installed, currentUserId); 15053 } 15054 // these install state changes will be persisted in the 15055 // upcoming call to mSettings.writeLPr(). 15056 } 15057 } 15058 // It's implied that when a user requests installation, they want the app to be 15059 // installed and enabled. 15060 if (userId != UserHandle.USER_ALL) { 15061 ps.setInstalled(true, userId); 15062 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 15063 } 15064 } 15065 res.name = pkgName; 15066 res.uid = newPackage.applicationInfo.uid; 15067 res.pkg = newPackage; 15068 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 15069 mSettings.setInstallerPackageName(pkgName, installerPackageName); 15070 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15071 //to update install status 15072 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15073 mSettings.writeLPr(); 15074 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15075 } 15076 15077 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15078 } 15079 15080 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 15081 try { 15082 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 15083 installPackageLI(args, res); 15084 } finally { 15085 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15086 } 15087 } 15088 15089 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 15090 final int installFlags = args.installFlags; 15091 final String installerPackageName = args.installerPackageName; 15092 final String volumeUuid = args.volumeUuid; 15093 final File tmpPackageFile = new File(args.getCodePath()); 15094 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 15095 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 15096 || (args.volumeUuid != null)); 15097 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 15098 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 15099 boolean replace = false; 15100 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 15101 if (args.move != null) { 15102 // moving a complete application; perform an initial scan on the new install location 15103 scanFlags |= SCAN_INITIAL; 15104 } 15105 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 15106 scanFlags |= SCAN_DONT_KILL_APP; 15107 } 15108 15109 // Result object to be returned 15110 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15111 15112 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 15113 15114 // Sanity check 15115 if (ephemeral && (forwardLocked || onExternal)) { 15116 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 15117 + " external=" + onExternal); 15118 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 15119 return; 15120 } 15121 15122 // Retrieve PackageSettings and parse package 15123 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 15124 | PackageParser.PARSE_ENFORCE_CODE 15125 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 15126 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 15127 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 15128 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 15129 PackageParser pp = new PackageParser(); 15130 pp.setSeparateProcesses(mSeparateProcesses); 15131 pp.setDisplayMetrics(mMetrics); 15132 15133 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 15134 final PackageParser.Package pkg; 15135 try { 15136 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 15137 } catch (PackageParserException e) { 15138 res.setError("Failed parse during installPackageLI", e); 15139 return; 15140 } finally { 15141 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15142 } 15143 15144 // If we are installing a clustered package add results for the children 15145 if (pkg.childPackages != null) { 15146 synchronized (mPackages) { 15147 final int childCount = pkg.childPackages.size(); 15148 for (int i = 0; i < childCount; i++) { 15149 PackageParser.Package childPkg = pkg.childPackages.get(i); 15150 PackageInstalledInfo childRes = new PackageInstalledInfo(); 15151 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15152 childRes.pkg = childPkg; 15153 childRes.name = childPkg.packageName; 15154 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15155 if (childPs != null) { 15156 childRes.origUsers = childPs.queryInstalledUsers( 15157 sUserManager.getUserIds(), true); 15158 } 15159 if ((mPackages.containsKey(childPkg.packageName))) { 15160 childRes.removedInfo = new PackageRemovedInfo(); 15161 childRes.removedInfo.removedPackage = childPkg.packageName; 15162 } 15163 if (res.addedChildPackages == null) { 15164 res.addedChildPackages = new ArrayMap<>(); 15165 } 15166 res.addedChildPackages.put(childPkg.packageName, childRes); 15167 } 15168 } 15169 } 15170 15171 // If package doesn't declare API override, mark that we have an install 15172 // time CPU ABI override. 15173 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 15174 pkg.cpuAbiOverride = args.abiOverride; 15175 } 15176 15177 String pkgName = res.name = pkg.packageName; 15178 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15179 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15180 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15181 return; 15182 } 15183 } 15184 15185 try { 15186 // either use what we've been given or parse directly from the APK 15187 if (args.certificates != null) { 15188 try { 15189 PackageParser.populateCertificates(pkg, args.certificates); 15190 } catch (PackageParserException e) { 15191 // there was something wrong with the certificates we were given; 15192 // try to pull them from the APK 15193 PackageParser.collectCertificates(pkg, parseFlags); 15194 } 15195 } else { 15196 PackageParser.collectCertificates(pkg, parseFlags); 15197 } 15198 } catch (PackageParserException e) { 15199 res.setError("Failed collect during installPackageLI", e); 15200 return; 15201 } 15202 15203 // Get rid of all references to package scan path via parser. 15204 pp = null; 15205 String oldCodePath = null; 15206 boolean systemApp = false; 15207 synchronized (mPackages) { 15208 // Check if installing already existing package 15209 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15210 String oldName = mSettings.getRenamedPackageLPr(pkgName); 15211 if (pkg.mOriginalPackages != null 15212 && pkg.mOriginalPackages.contains(oldName) 15213 && mPackages.containsKey(oldName)) { 15214 // This package is derived from an original package, 15215 // and this device has been updating from that original 15216 // name. We must continue using the original name, so 15217 // rename the new package here. 15218 pkg.setPackageName(oldName); 15219 pkgName = pkg.packageName; 15220 replace = true; 15221 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15222 + oldName + " pkgName=" + pkgName); 15223 } else if (mPackages.containsKey(pkgName)) { 15224 // This package, under its official name, already exists 15225 // on the device; we should replace it. 15226 replace = true; 15227 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15228 } 15229 15230 // Child packages are installed through the parent package 15231 if (pkg.parentPackage != null) { 15232 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15233 "Package " + pkg.packageName + " is child of package " 15234 + pkg.parentPackage.parentPackage + ". Child packages " 15235 + "can be updated only through the parent package."); 15236 return; 15237 } 15238 15239 if (replace) { 15240 // Prevent apps opting out from runtime permissions 15241 PackageParser.Package oldPackage = mPackages.get(pkgName); 15242 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15243 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15244 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15245 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15246 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15247 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15248 + " doesn't support runtime permissions but the old" 15249 + " target SDK " + oldTargetSdk + " does."); 15250 return; 15251 } 15252 15253 // Prevent installing of child packages 15254 if (oldPackage.parentPackage != null) { 15255 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15256 "Package " + pkg.packageName + " is child of package " 15257 + oldPackage.parentPackage + ". Child packages " 15258 + "can be updated only through the parent package."); 15259 return; 15260 } 15261 } 15262 } 15263 15264 PackageSetting ps = mSettings.mPackages.get(pkgName); 15265 if (ps != null) { 15266 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15267 15268 // Quick sanity check that we're signed correctly if updating; 15269 // we'll check this again later when scanning, but we want to 15270 // bail early here before tripping over redefined permissions. 15271 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15272 if (!checkUpgradeKeySetLP(ps, pkg)) { 15273 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15274 + pkg.packageName + " upgrade keys do not match the " 15275 + "previously installed version"); 15276 return; 15277 } 15278 } else { 15279 try { 15280 verifySignaturesLP(ps, pkg); 15281 } catch (PackageManagerException e) { 15282 res.setError(e.error, e.getMessage()); 15283 return; 15284 } 15285 } 15286 15287 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15288 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15289 systemApp = (ps.pkg.applicationInfo.flags & 15290 ApplicationInfo.FLAG_SYSTEM) != 0; 15291 } 15292 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15293 } 15294 15295 // Check whether the newly-scanned package wants to define an already-defined perm 15296 int N = pkg.permissions.size(); 15297 for (int i = N-1; i >= 0; i--) { 15298 PackageParser.Permission perm = pkg.permissions.get(i); 15299 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15300 if (bp != null) { 15301 // If the defining package is signed with our cert, it's okay. This 15302 // also includes the "updating the same package" case, of course. 15303 // "updating same package" could also involve key-rotation. 15304 final boolean sigsOk; 15305 if (bp.sourcePackage.equals(pkg.packageName) 15306 && (bp.packageSetting instanceof PackageSetting) 15307 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15308 scanFlags))) { 15309 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15310 } else { 15311 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15312 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15313 } 15314 if (!sigsOk) { 15315 // If the owning package is the system itself, we log but allow 15316 // install to proceed; we fail the install on all other permission 15317 // redefinitions. 15318 if (!bp.sourcePackage.equals("android")) { 15319 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15320 + pkg.packageName + " attempting to redeclare permission " 15321 + perm.info.name + " already owned by " + bp.sourcePackage); 15322 res.origPermission = perm.info.name; 15323 res.origPackage = bp.sourcePackage; 15324 return; 15325 } else { 15326 Slog.w(TAG, "Package " + pkg.packageName 15327 + " attempting to redeclare system permission " 15328 + perm.info.name + "; ignoring new declaration"); 15329 pkg.permissions.remove(i); 15330 } 15331 } 15332 } 15333 } 15334 } 15335 15336 if (systemApp) { 15337 if (onExternal) { 15338 // Abort update; system app can't be replaced with app on sdcard 15339 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15340 "Cannot install updates to system apps on sdcard"); 15341 return; 15342 } else if (ephemeral) { 15343 // Abort update; system app can't be replaced with an ephemeral app 15344 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15345 "Cannot update a system app with an ephemeral app"); 15346 return; 15347 } 15348 } 15349 15350 if (args.move != null) { 15351 // We did an in-place move, so dex is ready to roll 15352 scanFlags |= SCAN_NO_DEX; 15353 scanFlags |= SCAN_MOVE; 15354 15355 synchronized (mPackages) { 15356 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15357 if (ps == null) { 15358 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15359 "Missing settings for moved package " + pkgName); 15360 } 15361 15362 // We moved the entire application as-is, so bring over the 15363 // previously derived ABI information. 15364 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15365 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15366 } 15367 15368 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15369 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15370 scanFlags |= SCAN_NO_DEX; 15371 15372 try { 15373 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15374 args.abiOverride : pkg.cpuAbiOverride); 15375 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15376 true /*extractLibs*/, mAppLib32InstallDir); 15377 } catch (PackageManagerException pme) { 15378 Slog.e(TAG, "Error deriving application ABI", pme); 15379 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15380 return; 15381 } 15382 15383 // Shared libraries for the package need to be updated. 15384 synchronized (mPackages) { 15385 try { 15386 updateSharedLibrariesLPr(pkg, null); 15387 } catch (PackageManagerException e) { 15388 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15389 } 15390 } 15391 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15392 // Do not run PackageDexOptimizer through the local performDexOpt 15393 // method because `pkg` may not be in `mPackages` yet. 15394 // 15395 // Also, don't fail application installs if the dexopt step fails. 15396 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15397 null /* instructionSets */, false /* checkProfiles */, 15398 getCompilerFilterForReason(REASON_INSTALL), 15399 getOrCreateCompilerPackageStats(pkg)); 15400 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15401 15402 // Notify BackgroundDexOptService that the package has been changed. 15403 // If this is an update of a package which used to fail to compile, 15404 // BDOS will remove it from its blacklist. 15405 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15406 } 15407 15408 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15409 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15410 return; 15411 } 15412 15413 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15414 15415 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15416 "installPackageLI")) { 15417 if (replace) { 15418 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15419 installerPackageName, res); 15420 } else { 15421 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15422 args.user, installerPackageName, volumeUuid, res); 15423 } 15424 } 15425 synchronized (mPackages) { 15426 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15427 if (ps != null) { 15428 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15429 } 15430 15431 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15432 for (int i = 0; i < childCount; i++) { 15433 PackageParser.Package childPkg = pkg.childPackages.get(i); 15434 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15435 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15436 if (childPs != null) { 15437 childRes.newUsers = childPs.queryInstalledUsers( 15438 sUserManager.getUserIds(), true); 15439 } 15440 } 15441 } 15442 } 15443 15444 private void startIntentFilterVerifications(int userId, boolean replacing, 15445 PackageParser.Package pkg) { 15446 if (mIntentFilterVerifierComponent == null) { 15447 Slog.w(TAG, "No IntentFilter verification will not be done as " 15448 + "there is no IntentFilterVerifier available!"); 15449 return; 15450 } 15451 15452 final int verifierUid = getPackageUid( 15453 mIntentFilterVerifierComponent.getPackageName(), 15454 MATCH_DEBUG_TRIAGED_MISSING, 15455 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15456 15457 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15458 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15459 mHandler.sendMessage(msg); 15460 15461 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15462 for (int i = 0; i < childCount; i++) { 15463 PackageParser.Package childPkg = pkg.childPackages.get(i); 15464 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15465 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15466 mHandler.sendMessage(msg); 15467 } 15468 } 15469 15470 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15471 PackageParser.Package pkg) { 15472 int size = pkg.activities.size(); 15473 if (size == 0) { 15474 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15475 "No activity, so no need to verify any IntentFilter!"); 15476 return; 15477 } 15478 15479 final boolean hasDomainURLs = hasDomainURLs(pkg); 15480 if (!hasDomainURLs) { 15481 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15482 "No domain URLs, so no need to verify any IntentFilter!"); 15483 return; 15484 } 15485 15486 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15487 + " if any IntentFilter from the " + size 15488 + " Activities needs verification ..."); 15489 15490 int count = 0; 15491 final String packageName = pkg.packageName; 15492 15493 synchronized (mPackages) { 15494 // If this is a new install and we see that we've already run verification for this 15495 // package, we have nothing to do: it means the state was restored from backup. 15496 if (!replacing) { 15497 IntentFilterVerificationInfo ivi = 15498 mSettings.getIntentFilterVerificationLPr(packageName); 15499 if (ivi != null) { 15500 if (DEBUG_DOMAIN_VERIFICATION) { 15501 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15502 + ivi.getStatusString()); 15503 } 15504 return; 15505 } 15506 } 15507 15508 // If any filters need to be verified, then all need to be. 15509 boolean needToVerify = false; 15510 for (PackageParser.Activity a : pkg.activities) { 15511 for (ActivityIntentInfo filter : a.intents) { 15512 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15513 if (DEBUG_DOMAIN_VERIFICATION) { 15514 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15515 } 15516 needToVerify = true; 15517 break; 15518 } 15519 } 15520 } 15521 15522 if (needToVerify) { 15523 final int verificationId = mIntentFilterVerificationToken++; 15524 for (PackageParser.Activity a : pkg.activities) { 15525 for (ActivityIntentInfo filter : a.intents) { 15526 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15527 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15528 "Verification needed for IntentFilter:" + filter.toString()); 15529 mIntentFilterVerifier.addOneIntentFilterVerification( 15530 verifierUid, userId, verificationId, filter, packageName); 15531 count++; 15532 } 15533 } 15534 } 15535 } 15536 } 15537 15538 if (count > 0) { 15539 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15540 + " IntentFilter verification" + (count > 1 ? "s" : "") 15541 + " for userId:" + userId); 15542 mIntentFilterVerifier.startVerifications(userId); 15543 } else { 15544 if (DEBUG_DOMAIN_VERIFICATION) { 15545 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15546 } 15547 } 15548 } 15549 15550 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15551 final ComponentName cn = filter.activity.getComponentName(); 15552 final String packageName = cn.getPackageName(); 15553 15554 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15555 packageName); 15556 if (ivi == null) { 15557 return true; 15558 } 15559 int status = ivi.getStatus(); 15560 switch (status) { 15561 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15562 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15563 return true; 15564 15565 default: 15566 // Nothing to do 15567 return false; 15568 } 15569 } 15570 15571 private static boolean isMultiArch(ApplicationInfo info) { 15572 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15573 } 15574 15575 private static boolean isExternal(PackageParser.Package pkg) { 15576 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15577 } 15578 15579 private static boolean isExternal(PackageSetting ps) { 15580 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15581 } 15582 15583 private static boolean isEphemeral(PackageParser.Package pkg) { 15584 return pkg.applicationInfo.isEphemeralApp(); 15585 } 15586 15587 private static boolean isEphemeral(PackageSetting ps) { 15588 return ps.pkg != null && isEphemeral(ps.pkg); 15589 } 15590 15591 private static boolean isSystemApp(PackageParser.Package pkg) { 15592 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15593 } 15594 15595 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15596 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15597 } 15598 15599 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15600 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15601 } 15602 15603 private static boolean isSystemApp(PackageSetting ps) { 15604 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15605 } 15606 15607 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15608 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15609 } 15610 15611 private int packageFlagsToInstallFlags(PackageSetting ps) { 15612 int installFlags = 0; 15613 if (isEphemeral(ps)) { 15614 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15615 } 15616 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15617 // This existing package was an external ASEC install when we have 15618 // the external flag without a UUID 15619 installFlags |= PackageManager.INSTALL_EXTERNAL; 15620 } 15621 if (ps.isForwardLocked()) { 15622 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15623 } 15624 return installFlags; 15625 } 15626 15627 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15628 if (isExternal(pkg)) { 15629 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15630 return StorageManager.UUID_PRIMARY_PHYSICAL; 15631 } else { 15632 return pkg.volumeUuid; 15633 } 15634 } else { 15635 return StorageManager.UUID_PRIVATE_INTERNAL; 15636 } 15637 } 15638 15639 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15640 if (isExternal(pkg)) { 15641 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15642 return mSettings.getExternalVersion(); 15643 } else { 15644 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15645 } 15646 } else { 15647 return mSettings.getInternalVersion(); 15648 } 15649 } 15650 15651 private void deleteTempPackageFiles() { 15652 final FilenameFilter filter = new FilenameFilter() { 15653 public boolean accept(File dir, String name) { 15654 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15655 } 15656 }; 15657 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15658 file.delete(); 15659 } 15660 } 15661 15662 @Override 15663 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15664 int flags) { 15665 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15666 flags); 15667 } 15668 15669 @Override 15670 public void deletePackage(final String packageName, 15671 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15672 mContext.enforceCallingOrSelfPermission( 15673 android.Manifest.permission.DELETE_PACKAGES, null); 15674 Preconditions.checkNotNull(packageName); 15675 Preconditions.checkNotNull(observer); 15676 final int uid = Binder.getCallingUid(); 15677 if (!isOrphaned(packageName) 15678 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 15679 try { 15680 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 15681 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 15682 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 15683 observer.onUserActionRequired(intent); 15684 } catch (RemoteException re) { 15685 } 15686 return; 15687 } 15688 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15689 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15690 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15691 mContext.enforceCallingOrSelfPermission( 15692 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15693 "deletePackage for user " + userId); 15694 } 15695 15696 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15697 try { 15698 observer.onPackageDeleted(packageName, 15699 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15700 } catch (RemoteException re) { 15701 } 15702 return; 15703 } 15704 15705 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15706 try { 15707 observer.onPackageDeleted(packageName, 15708 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15709 } catch (RemoteException re) { 15710 } 15711 return; 15712 } 15713 15714 if (DEBUG_REMOVE) { 15715 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15716 + " deleteAllUsers: " + deleteAllUsers ); 15717 } 15718 // Queue up an async operation since the package deletion may take a little while. 15719 mHandler.post(new Runnable() { 15720 public void run() { 15721 mHandler.removeCallbacks(this); 15722 int returnCode; 15723 if (!deleteAllUsers) { 15724 returnCode = deletePackageX(packageName, userId, deleteFlags); 15725 } else { 15726 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15727 // If nobody is blocking uninstall, proceed with delete for all users 15728 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15729 returnCode = deletePackageX(packageName, userId, deleteFlags); 15730 } else { 15731 // Otherwise uninstall individually for users with blockUninstalls=false 15732 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15733 for (int userId : users) { 15734 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15735 returnCode = deletePackageX(packageName, userId, userFlags); 15736 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15737 Slog.w(TAG, "Package delete failed for user " + userId 15738 + ", returnCode " + returnCode); 15739 } 15740 } 15741 } 15742 // The app has only been marked uninstalled for certain users. 15743 // We still need to report that delete was blocked 15744 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15745 } 15746 } 15747 try { 15748 observer.onPackageDeleted(packageName, returnCode, null); 15749 } catch (RemoteException e) { 15750 Log.i(TAG, "Observer no longer exists."); 15751 } //end catch 15752 } //end run 15753 }); 15754 } 15755 15756 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 15757 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 15758 || callingUid == Process.SYSTEM_UID) { 15759 return true; 15760 } 15761 final int callingUserId = UserHandle.getUserId(callingUid); 15762 // If the caller installed the pkgName, then allow it to silently uninstall. 15763 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 15764 return true; 15765 } 15766 15767 // Allow package verifier to silently uninstall. 15768 if (mRequiredVerifierPackage != null && 15769 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 15770 return true; 15771 } 15772 15773 // Allow package uninstaller to silently uninstall. 15774 if (mRequiredUninstallerPackage != null && 15775 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 15776 return true; 15777 } 15778 15779 // Allow storage manager to silently uninstall. 15780 if (mStorageManagerPackage != null && 15781 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 15782 return true; 15783 } 15784 return false; 15785 } 15786 15787 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15788 int[] result = EMPTY_INT_ARRAY; 15789 for (int userId : userIds) { 15790 if (getBlockUninstallForUser(packageName, userId)) { 15791 result = ArrayUtils.appendInt(result, userId); 15792 } 15793 } 15794 return result; 15795 } 15796 15797 @Override 15798 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15799 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15800 } 15801 15802 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15803 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15804 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15805 try { 15806 if (dpm != null) { 15807 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15808 /* callingUserOnly =*/ false); 15809 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15810 : deviceOwnerComponentName.getPackageName(); 15811 // Does the package contains the device owner? 15812 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15813 // this check is probably not needed, since DO should be registered as a device 15814 // admin on some user too. (Original bug for this: b/17657954) 15815 if (packageName.equals(deviceOwnerPackageName)) { 15816 return true; 15817 } 15818 // Does it contain a device admin for any user? 15819 int[] users; 15820 if (userId == UserHandle.USER_ALL) { 15821 users = sUserManager.getUserIds(); 15822 } else { 15823 users = new int[]{userId}; 15824 } 15825 for (int i = 0; i < users.length; ++i) { 15826 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15827 return true; 15828 } 15829 } 15830 } 15831 } catch (RemoteException e) { 15832 } 15833 return false; 15834 } 15835 15836 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15837 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15838 } 15839 15840 /** 15841 * This method is an internal method that could be get invoked either 15842 * to delete an installed package or to clean up a failed installation. 15843 * After deleting an installed package, a broadcast is sent to notify any 15844 * listeners that the package has been removed. For cleaning up a failed 15845 * installation, the broadcast is not necessary since the package's 15846 * installation wouldn't have sent the initial broadcast either 15847 * The key steps in deleting a package are 15848 * deleting the package information in internal structures like mPackages, 15849 * deleting the packages base directories through installd 15850 * updating mSettings to reflect current status 15851 * persisting settings for later use 15852 * sending a broadcast if necessary 15853 */ 15854 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15855 final PackageRemovedInfo info = new PackageRemovedInfo(); 15856 final boolean res; 15857 15858 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15859 ? UserHandle.USER_ALL : userId; 15860 15861 if (isPackageDeviceAdmin(packageName, removeUser)) { 15862 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15863 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15864 } 15865 15866 PackageSetting uninstalledPs = null; 15867 15868 // for the uninstall-updates case and restricted profiles, remember the per- 15869 // user handle installed state 15870 int[] allUsers; 15871 synchronized (mPackages) { 15872 uninstalledPs = mSettings.mPackages.get(packageName); 15873 if (uninstalledPs == null) { 15874 Slog.w(TAG, "Not removing non-existent package " + packageName); 15875 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15876 } 15877 allUsers = sUserManager.getUserIds(); 15878 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15879 } 15880 15881 final int freezeUser; 15882 if (isUpdatedSystemApp(uninstalledPs) 15883 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15884 // We're downgrading a system app, which will apply to all users, so 15885 // freeze them all during the downgrade 15886 freezeUser = UserHandle.USER_ALL; 15887 } else { 15888 freezeUser = removeUser; 15889 } 15890 15891 synchronized (mInstallLock) { 15892 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15893 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15894 deleteFlags, "deletePackageX")) { 15895 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15896 deleteFlags | REMOVE_CHATTY, info, true, null); 15897 } 15898 synchronized (mPackages) { 15899 if (res) { 15900 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15901 } 15902 } 15903 } 15904 15905 if (res) { 15906 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15907 info.sendPackageRemovedBroadcasts(killApp); 15908 info.sendSystemPackageUpdatedBroadcasts(); 15909 info.sendSystemPackageAppearedBroadcasts(); 15910 } 15911 // Force a gc here. 15912 Runtime.getRuntime().gc(); 15913 // Delete the resources here after sending the broadcast to let 15914 // other processes clean up before deleting resources. 15915 if (info.args != null) { 15916 synchronized (mInstallLock) { 15917 info.args.doPostDeleteLI(true); 15918 } 15919 } 15920 15921 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15922 } 15923 15924 class PackageRemovedInfo { 15925 String removedPackage; 15926 int uid = -1; 15927 int removedAppId = -1; 15928 int[] origUsers; 15929 int[] removedUsers = null; 15930 boolean isRemovedPackageSystemUpdate = false; 15931 boolean isUpdate; 15932 boolean dataRemoved; 15933 boolean removedForAllUsers; 15934 // Clean up resources deleted packages. 15935 InstallArgs args = null; 15936 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15937 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15938 15939 void sendPackageRemovedBroadcasts(boolean killApp) { 15940 sendPackageRemovedBroadcastInternal(killApp); 15941 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15942 for (int i = 0; i < childCount; i++) { 15943 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15944 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15945 } 15946 } 15947 15948 void sendSystemPackageUpdatedBroadcasts() { 15949 if (isRemovedPackageSystemUpdate) { 15950 sendSystemPackageUpdatedBroadcastsInternal(); 15951 final int childCount = (removedChildPackages != null) 15952 ? removedChildPackages.size() : 0; 15953 for (int i = 0; i < childCount; i++) { 15954 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15955 if (childInfo.isRemovedPackageSystemUpdate) { 15956 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15957 } 15958 } 15959 } 15960 } 15961 15962 void sendSystemPackageAppearedBroadcasts() { 15963 final int packageCount = (appearedChildPackages != null) 15964 ? appearedChildPackages.size() : 0; 15965 for (int i = 0; i < packageCount; i++) { 15966 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15967 sendPackageAddedForNewUsers(installedInfo.name, true, 15968 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 15969 } 15970 } 15971 15972 private void sendSystemPackageUpdatedBroadcastsInternal() { 15973 Bundle extras = new Bundle(2); 15974 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15975 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15976 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15977 extras, 0, null, null, null); 15978 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15979 extras, 0, null, null, null); 15980 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15981 null, 0, removedPackage, null, null); 15982 } 15983 15984 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15985 Bundle extras = new Bundle(2); 15986 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15987 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15988 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15989 if (isUpdate || isRemovedPackageSystemUpdate) { 15990 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15991 } 15992 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15993 if (removedPackage != null) { 15994 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15995 extras, 0, null, null, removedUsers); 15996 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15997 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15998 removedPackage, extras, 0, null, null, removedUsers); 15999 } 16000 } 16001 if (removedAppId >= 0) { 16002 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 16003 removedUsers); 16004 } 16005 } 16006 } 16007 16008 /* 16009 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 16010 * flag is not set, the data directory is removed as well. 16011 * make sure this flag is set for partially installed apps. If not its meaningless to 16012 * delete a partially installed application. 16013 */ 16014 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 16015 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 16016 String packageName = ps.name; 16017 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 16018 // Retrieve object to delete permissions for shared user later on 16019 final PackageParser.Package deletedPkg; 16020 final PackageSetting deletedPs; 16021 // reader 16022 synchronized (mPackages) { 16023 deletedPkg = mPackages.get(packageName); 16024 deletedPs = mSettings.mPackages.get(packageName); 16025 if (outInfo != null) { 16026 outInfo.removedPackage = packageName; 16027 outInfo.removedUsers = deletedPs != null 16028 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 16029 : null; 16030 } 16031 } 16032 16033 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 16034 16035 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 16036 final PackageParser.Package resolvedPkg; 16037 if (deletedPkg != null) { 16038 resolvedPkg = deletedPkg; 16039 } else { 16040 // We don't have a parsed package when it lives on an ejected 16041 // adopted storage device, so fake something together 16042 resolvedPkg = new PackageParser.Package(ps.name); 16043 resolvedPkg.setVolumeUuid(ps.volumeUuid); 16044 } 16045 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 16046 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16047 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 16048 if (outInfo != null) { 16049 outInfo.dataRemoved = true; 16050 } 16051 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 16052 } 16053 16054 // writer 16055 synchronized (mPackages) { 16056 if (deletedPs != null) { 16057 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 16058 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 16059 clearDefaultBrowserIfNeeded(packageName); 16060 if (outInfo != null) { 16061 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 16062 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 16063 } 16064 updatePermissionsLPw(deletedPs.name, null, 0); 16065 if (deletedPs.sharedUser != null) { 16066 // Remove permissions associated with package. Since runtime 16067 // permissions are per user we have to kill the removed package 16068 // or packages running under the shared user of the removed 16069 // package if revoking the permissions requested only by the removed 16070 // package is successful and this causes a change in gids. 16071 for (int userId : UserManagerService.getInstance().getUserIds()) { 16072 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 16073 userId); 16074 if (userIdToKill == UserHandle.USER_ALL 16075 || userIdToKill >= UserHandle.USER_SYSTEM) { 16076 // If gids changed for this user, kill all affected packages. 16077 mHandler.post(new Runnable() { 16078 @Override 16079 public void run() { 16080 // This has to happen with no lock held. 16081 killApplication(deletedPs.name, deletedPs.appId, 16082 KILL_APP_REASON_GIDS_CHANGED); 16083 } 16084 }); 16085 break; 16086 } 16087 } 16088 } 16089 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 16090 } 16091 // make sure to preserve per-user disabled state if this removal was just 16092 // a downgrade of a system app to the factory package 16093 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 16094 if (DEBUG_REMOVE) { 16095 Slog.d(TAG, "Propagating install state across downgrade"); 16096 } 16097 for (int userId : allUserHandles) { 16098 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16099 if (DEBUG_REMOVE) { 16100 Slog.d(TAG, " user " + userId + " => " + installed); 16101 } 16102 ps.setInstalled(installed, userId); 16103 } 16104 } 16105 } 16106 // can downgrade to reader 16107 if (writeSettings) { 16108 // Save settings now 16109 mSettings.writeLPr(); 16110 } 16111 } 16112 if (outInfo != null) { 16113 // A user ID was deleted here. Go through all users and remove it 16114 // from KeyStore. 16115 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 16116 } 16117 } 16118 16119 static boolean locationIsPrivileged(File path) { 16120 try { 16121 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 16122 .getCanonicalPath(); 16123 return path.getCanonicalPath().startsWith(privilegedAppDir); 16124 } catch (IOException e) { 16125 Slog.e(TAG, "Unable to access code path " + path); 16126 } 16127 return false; 16128 } 16129 16130 /* 16131 * Tries to delete system package. 16132 */ 16133 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 16134 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 16135 boolean writeSettings) { 16136 if (deletedPs.parentPackageName != null) { 16137 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 16138 return false; 16139 } 16140 16141 final boolean applyUserRestrictions 16142 = (allUserHandles != null) && (outInfo.origUsers != null); 16143 final PackageSetting disabledPs; 16144 // Confirm if the system package has been updated 16145 // An updated system app can be deleted. This will also have to restore 16146 // the system pkg from system partition 16147 // reader 16148 synchronized (mPackages) { 16149 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 16150 } 16151 16152 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 16153 + " disabledPs=" + disabledPs); 16154 16155 if (disabledPs == null) { 16156 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 16157 return false; 16158 } else if (DEBUG_REMOVE) { 16159 Slog.d(TAG, "Deleting system pkg from data partition"); 16160 } 16161 16162 if (DEBUG_REMOVE) { 16163 if (applyUserRestrictions) { 16164 Slog.d(TAG, "Remembering install states:"); 16165 for (int userId : allUserHandles) { 16166 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 16167 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 16168 } 16169 } 16170 } 16171 16172 // Delete the updated package 16173 outInfo.isRemovedPackageSystemUpdate = true; 16174 if (outInfo.removedChildPackages != null) { 16175 final int childCount = (deletedPs.childPackageNames != null) 16176 ? deletedPs.childPackageNames.size() : 0; 16177 for (int i = 0; i < childCount; i++) { 16178 String childPackageName = deletedPs.childPackageNames.get(i); 16179 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 16180 .contains(childPackageName)) { 16181 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16182 childPackageName); 16183 if (childInfo != null) { 16184 childInfo.isRemovedPackageSystemUpdate = true; 16185 } 16186 } 16187 } 16188 } 16189 16190 if (disabledPs.versionCode < deletedPs.versionCode) { 16191 // Delete data for downgrades 16192 flags &= ~PackageManager.DELETE_KEEP_DATA; 16193 } else { 16194 // Preserve data by setting flag 16195 flags |= PackageManager.DELETE_KEEP_DATA; 16196 } 16197 16198 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 16199 outInfo, writeSettings, disabledPs.pkg); 16200 if (!ret) { 16201 return false; 16202 } 16203 16204 // writer 16205 synchronized (mPackages) { 16206 // Reinstate the old system package 16207 enableSystemPackageLPw(disabledPs.pkg); 16208 // Remove any native libraries from the upgraded package. 16209 removeNativeBinariesLI(deletedPs); 16210 } 16211 16212 // Install the system package 16213 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 16214 int parseFlags = mDefParseFlags 16215 | PackageParser.PARSE_MUST_BE_APK 16216 | PackageParser.PARSE_IS_SYSTEM 16217 | PackageParser.PARSE_IS_SYSTEM_DIR; 16218 if (locationIsPrivileged(disabledPs.codePath)) { 16219 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16220 } 16221 16222 final PackageParser.Package newPkg; 16223 try { 16224 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 16225 0 /* currentTime */, null); 16226 } catch (PackageManagerException e) { 16227 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16228 + e.getMessage()); 16229 return false; 16230 } 16231 try { 16232 // update shared libraries for the newly re-installed system package 16233 updateSharedLibrariesLPr(newPkg, null); 16234 } catch (PackageManagerException e) { 16235 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16236 } 16237 16238 prepareAppDataAfterInstallLIF(newPkg); 16239 16240 // writer 16241 synchronized (mPackages) { 16242 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16243 16244 // Propagate the permissions state as we do not want to drop on the floor 16245 // runtime permissions. The update permissions method below will take 16246 // care of removing obsolete permissions and grant install permissions. 16247 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16248 updatePermissionsLPw(newPkg.packageName, newPkg, 16249 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16250 16251 if (applyUserRestrictions) { 16252 if (DEBUG_REMOVE) { 16253 Slog.d(TAG, "Propagating install state across reinstall"); 16254 } 16255 for (int userId : allUserHandles) { 16256 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16257 if (DEBUG_REMOVE) { 16258 Slog.d(TAG, " user " + userId + " => " + installed); 16259 } 16260 ps.setInstalled(installed, userId); 16261 16262 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16263 } 16264 // Regardless of writeSettings we need to ensure that this restriction 16265 // state propagation is persisted 16266 mSettings.writeAllUsersPackageRestrictionsLPr(); 16267 } 16268 // can downgrade to reader here 16269 if (writeSettings) { 16270 mSettings.writeLPr(); 16271 } 16272 } 16273 return true; 16274 } 16275 16276 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16277 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16278 PackageRemovedInfo outInfo, boolean writeSettings, 16279 PackageParser.Package replacingPackage) { 16280 synchronized (mPackages) { 16281 if (outInfo != null) { 16282 outInfo.uid = ps.appId; 16283 } 16284 16285 if (outInfo != null && outInfo.removedChildPackages != null) { 16286 final int childCount = (ps.childPackageNames != null) 16287 ? ps.childPackageNames.size() : 0; 16288 for (int i = 0; i < childCount; i++) { 16289 String childPackageName = ps.childPackageNames.get(i); 16290 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16291 if (childPs == null) { 16292 return false; 16293 } 16294 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16295 childPackageName); 16296 if (childInfo != null) { 16297 childInfo.uid = childPs.appId; 16298 } 16299 } 16300 } 16301 } 16302 16303 // Delete package data from internal structures and also remove data if flag is set 16304 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16305 16306 // Delete the child packages data 16307 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16308 for (int i = 0; i < childCount; i++) { 16309 PackageSetting childPs; 16310 synchronized (mPackages) { 16311 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16312 } 16313 if (childPs != null) { 16314 PackageRemovedInfo childOutInfo = (outInfo != null 16315 && outInfo.removedChildPackages != null) 16316 ? outInfo.removedChildPackages.get(childPs.name) : null; 16317 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16318 && (replacingPackage != null 16319 && !replacingPackage.hasChildPackage(childPs.name)) 16320 ? flags & ~DELETE_KEEP_DATA : flags; 16321 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16322 deleteFlags, writeSettings); 16323 } 16324 } 16325 16326 // Delete application code and resources only for parent packages 16327 if (ps.parentPackageName == null) { 16328 if (deleteCodeAndResources && (outInfo != null)) { 16329 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16330 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16331 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16332 } 16333 } 16334 16335 return true; 16336 } 16337 16338 @Override 16339 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16340 int userId) { 16341 mContext.enforceCallingOrSelfPermission( 16342 android.Manifest.permission.DELETE_PACKAGES, null); 16343 synchronized (mPackages) { 16344 PackageSetting ps = mSettings.mPackages.get(packageName); 16345 if (ps == null) { 16346 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16347 return false; 16348 } 16349 if (!ps.getInstalled(userId)) { 16350 // Can't block uninstall for an app that is not installed or enabled. 16351 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16352 return false; 16353 } 16354 ps.setBlockUninstall(blockUninstall, userId); 16355 mSettings.writePackageRestrictionsLPr(userId); 16356 } 16357 return true; 16358 } 16359 16360 @Override 16361 public boolean getBlockUninstallForUser(String packageName, int userId) { 16362 synchronized (mPackages) { 16363 PackageSetting ps = mSettings.mPackages.get(packageName); 16364 if (ps == null) { 16365 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16366 return false; 16367 } 16368 return ps.getBlockUninstall(userId); 16369 } 16370 } 16371 16372 @Override 16373 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16374 int callingUid = Binder.getCallingUid(); 16375 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16376 throw new SecurityException( 16377 "setRequiredForSystemUser can only be run by the system or root"); 16378 } 16379 synchronized (mPackages) { 16380 PackageSetting ps = mSettings.mPackages.get(packageName); 16381 if (ps == null) { 16382 Log.w(TAG, "Package doesn't exist: " + packageName); 16383 return false; 16384 } 16385 if (systemUserApp) { 16386 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16387 } else { 16388 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16389 } 16390 mSettings.writeLPr(); 16391 } 16392 return true; 16393 } 16394 16395 /* 16396 * This method handles package deletion in general 16397 */ 16398 private boolean deletePackageLIF(String packageName, UserHandle user, 16399 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16400 PackageRemovedInfo outInfo, boolean writeSettings, 16401 PackageParser.Package replacingPackage) { 16402 if (packageName == null) { 16403 Slog.w(TAG, "Attempt to delete null packageName."); 16404 return false; 16405 } 16406 16407 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16408 16409 PackageSetting ps; 16410 16411 synchronized (mPackages) { 16412 ps = mSettings.mPackages.get(packageName); 16413 if (ps == null) { 16414 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16415 return false; 16416 } 16417 16418 if (ps.parentPackageName != null && (!isSystemApp(ps) 16419 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16420 if (DEBUG_REMOVE) { 16421 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16422 + ((user == null) ? UserHandle.USER_ALL : user)); 16423 } 16424 final int removedUserId = (user != null) ? user.getIdentifier() 16425 : UserHandle.USER_ALL; 16426 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16427 return false; 16428 } 16429 markPackageUninstalledForUserLPw(ps, user); 16430 scheduleWritePackageRestrictionsLocked(user); 16431 return true; 16432 } 16433 } 16434 16435 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16436 && user.getIdentifier() != UserHandle.USER_ALL)) { 16437 // The caller is asking that the package only be deleted for a single 16438 // user. To do this, we just mark its uninstalled state and delete 16439 // its data. If this is a system app, we only allow this to happen if 16440 // they have set the special DELETE_SYSTEM_APP which requests different 16441 // semantics than normal for uninstalling system apps. 16442 markPackageUninstalledForUserLPw(ps, user); 16443 16444 if (!isSystemApp(ps)) { 16445 // Do not uninstall the APK if an app should be cached 16446 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16447 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16448 // Other user still have this package installed, so all 16449 // we need to do is clear this user's data and save that 16450 // it is uninstalled. 16451 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16452 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16453 return false; 16454 } 16455 scheduleWritePackageRestrictionsLocked(user); 16456 return true; 16457 } else { 16458 // We need to set it back to 'installed' so the uninstall 16459 // broadcasts will be sent correctly. 16460 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16461 ps.setInstalled(true, user.getIdentifier()); 16462 } 16463 } else { 16464 // This is a system app, so we assume that the 16465 // other users still have this package installed, so all 16466 // we need to do is clear this user's data and save that 16467 // it is uninstalled. 16468 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16469 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16470 return false; 16471 } 16472 scheduleWritePackageRestrictionsLocked(user); 16473 return true; 16474 } 16475 } 16476 16477 // If we are deleting a composite package for all users, keep track 16478 // of result for each child. 16479 if (ps.childPackageNames != null && outInfo != null) { 16480 synchronized (mPackages) { 16481 final int childCount = ps.childPackageNames.size(); 16482 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16483 for (int i = 0; i < childCount; i++) { 16484 String childPackageName = ps.childPackageNames.get(i); 16485 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16486 childInfo.removedPackage = childPackageName; 16487 outInfo.removedChildPackages.put(childPackageName, childInfo); 16488 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 16489 if (childPs != null) { 16490 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16491 } 16492 } 16493 } 16494 } 16495 16496 boolean ret = false; 16497 if (isSystemApp(ps)) { 16498 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16499 // When an updated system application is deleted we delete the existing resources 16500 // as well and fall back to existing code in system partition 16501 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16502 } else { 16503 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16504 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16505 outInfo, writeSettings, replacingPackage); 16506 } 16507 16508 // Take a note whether we deleted the package for all users 16509 if (outInfo != null) { 16510 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16511 if (outInfo.removedChildPackages != null) { 16512 synchronized (mPackages) { 16513 final int childCount = outInfo.removedChildPackages.size(); 16514 for (int i = 0; i < childCount; i++) { 16515 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16516 if (childInfo != null) { 16517 childInfo.removedForAllUsers = mPackages.get( 16518 childInfo.removedPackage) == null; 16519 } 16520 } 16521 } 16522 } 16523 // If we uninstalled an update to a system app there may be some 16524 // child packages that appeared as they are declared in the system 16525 // app but were not declared in the update. 16526 if (isSystemApp(ps)) { 16527 synchronized (mPackages) { 16528 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 16529 final int childCount = (updatedPs.childPackageNames != null) 16530 ? updatedPs.childPackageNames.size() : 0; 16531 for (int i = 0; i < childCount; i++) { 16532 String childPackageName = updatedPs.childPackageNames.get(i); 16533 if (outInfo.removedChildPackages == null 16534 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16535 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 16536 if (childPs == null) { 16537 continue; 16538 } 16539 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16540 installRes.name = childPackageName; 16541 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16542 installRes.pkg = mPackages.get(childPackageName); 16543 installRes.uid = childPs.pkg.applicationInfo.uid; 16544 if (outInfo.appearedChildPackages == null) { 16545 outInfo.appearedChildPackages = new ArrayMap<>(); 16546 } 16547 outInfo.appearedChildPackages.put(childPackageName, installRes); 16548 } 16549 } 16550 } 16551 } 16552 } 16553 16554 return ret; 16555 } 16556 16557 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16558 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16559 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16560 for (int nextUserId : userIds) { 16561 if (DEBUG_REMOVE) { 16562 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16563 } 16564 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16565 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16566 false /*hidden*/, false /*suspended*/, null, null, null, 16567 false /*blockUninstall*/, 16568 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16569 } 16570 } 16571 16572 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16573 PackageRemovedInfo outInfo) { 16574 final PackageParser.Package pkg; 16575 synchronized (mPackages) { 16576 pkg = mPackages.get(ps.name); 16577 } 16578 16579 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16580 : new int[] {userId}; 16581 for (int nextUserId : userIds) { 16582 if (DEBUG_REMOVE) { 16583 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16584 + nextUserId); 16585 } 16586 16587 destroyAppDataLIF(pkg, userId, 16588 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16589 destroyAppProfilesLIF(pkg, userId); 16590 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16591 schedulePackageCleaning(ps.name, nextUserId, false); 16592 synchronized (mPackages) { 16593 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16594 scheduleWritePackageRestrictionsLocked(nextUserId); 16595 } 16596 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16597 } 16598 } 16599 16600 if (outInfo != null) { 16601 outInfo.removedPackage = ps.name; 16602 outInfo.removedAppId = ps.appId; 16603 outInfo.removedUsers = userIds; 16604 } 16605 16606 return true; 16607 } 16608 16609 private final class ClearStorageConnection implements ServiceConnection { 16610 IMediaContainerService mContainerService; 16611 16612 @Override 16613 public void onServiceConnected(ComponentName name, IBinder service) { 16614 synchronized (this) { 16615 mContainerService = IMediaContainerService.Stub 16616 .asInterface(Binder.allowBlocking(service)); 16617 notifyAll(); 16618 } 16619 } 16620 16621 @Override 16622 public void onServiceDisconnected(ComponentName name) { 16623 } 16624 } 16625 16626 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16627 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16628 16629 final boolean mounted; 16630 if (Environment.isExternalStorageEmulated()) { 16631 mounted = true; 16632 } else { 16633 final String status = Environment.getExternalStorageState(); 16634 16635 mounted = status.equals(Environment.MEDIA_MOUNTED) 16636 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16637 } 16638 16639 if (!mounted) { 16640 return; 16641 } 16642 16643 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16644 int[] users; 16645 if (userId == UserHandle.USER_ALL) { 16646 users = sUserManager.getUserIds(); 16647 } else { 16648 users = new int[] { userId }; 16649 } 16650 final ClearStorageConnection conn = new ClearStorageConnection(); 16651 if (mContext.bindServiceAsUser( 16652 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16653 try { 16654 for (int curUser : users) { 16655 long timeout = SystemClock.uptimeMillis() + 5000; 16656 synchronized (conn) { 16657 long now; 16658 while (conn.mContainerService == null && 16659 (now = SystemClock.uptimeMillis()) < timeout) { 16660 try { 16661 conn.wait(timeout - now); 16662 } catch (InterruptedException e) { 16663 } 16664 } 16665 } 16666 if (conn.mContainerService == null) { 16667 return; 16668 } 16669 16670 final UserEnvironment userEnv = new UserEnvironment(curUser); 16671 clearDirectory(conn.mContainerService, 16672 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16673 if (allData) { 16674 clearDirectory(conn.mContainerService, 16675 userEnv.buildExternalStorageAppDataDirs(packageName)); 16676 clearDirectory(conn.mContainerService, 16677 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16678 } 16679 } 16680 } finally { 16681 mContext.unbindService(conn); 16682 } 16683 } 16684 } 16685 16686 @Override 16687 public void clearApplicationProfileData(String packageName) { 16688 enforceSystemOrRoot("Only the system can clear all profile data"); 16689 16690 final PackageParser.Package pkg; 16691 synchronized (mPackages) { 16692 pkg = mPackages.get(packageName); 16693 } 16694 16695 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16696 synchronized (mInstallLock) { 16697 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16698 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16699 true /* removeBaseMarker */); 16700 } 16701 } 16702 } 16703 16704 @Override 16705 public void clearApplicationUserData(final String packageName, 16706 final IPackageDataObserver observer, final int userId) { 16707 mContext.enforceCallingOrSelfPermission( 16708 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16709 16710 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16711 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16712 16713 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16714 throw new SecurityException("Cannot clear data for a protected package: " 16715 + packageName); 16716 } 16717 // Queue up an async operation since the package deletion may take a little while. 16718 mHandler.post(new Runnable() { 16719 public void run() { 16720 mHandler.removeCallbacks(this); 16721 final boolean succeeded; 16722 try (PackageFreezer freezer = freezePackage(packageName, 16723 "clearApplicationUserData")) { 16724 synchronized (mInstallLock) { 16725 succeeded = clearApplicationUserDataLIF(packageName, userId); 16726 } 16727 clearExternalStorageDataSync(packageName, userId, true); 16728 } 16729 if (succeeded) { 16730 // invoke DeviceStorageMonitor's update method to clear any notifications 16731 DeviceStorageMonitorInternal dsm = LocalServices 16732 .getService(DeviceStorageMonitorInternal.class); 16733 if (dsm != null) { 16734 dsm.checkMemory(); 16735 } 16736 } 16737 if(observer != null) { 16738 try { 16739 observer.onRemoveCompleted(packageName, succeeded); 16740 } catch (RemoteException e) { 16741 Log.i(TAG, "Observer no longer exists."); 16742 } 16743 } //end if observer 16744 } //end run 16745 }); 16746 } 16747 16748 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16749 if (packageName == null) { 16750 Slog.w(TAG, "Attempt to delete null packageName."); 16751 return false; 16752 } 16753 16754 // Try finding details about the requested package 16755 PackageParser.Package pkg; 16756 synchronized (mPackages) { 16757 pkg = mPackages.get(packageName); 16758 if (pkg == null) { 16759 final PackageSetting ps = mSettings.mPackages.get(packageName); 16760 if (ps != null) { 16761 pkg = ps.pkg; 16762 } 16763 } 16764 16765 if (pkg == null) { 16766 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16767 return false; 16768 } 16769 16770 PackageSetting ps = (PackageSetting) pkg.mExtras; 16771 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16772 } 16773 16774 clearAppDataLIF(pkg, userId, 16775 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16776 16777 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16778 removeKeystoreDataIfNeeded(userId, appId); 16779 16780 UserManagerInternal umInternal = getUserManagerInternal(); 16781 final int flags; 16782 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16783 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16784 } else if (umInternal.isUserRunning(userId)) { 16785 flags = StorageManager.FLAG_STORAGE_DE; 16786 } else { 16787 flags = 0; 16788 } 16789 prepareAppDataContentsLIF(pkg, userId, flags); 16790 16791 return true; 16792 } 16793 16794 /** 16795 * Reverts user permission state changes (permissions and flags) in 16796 * all packages for a given user. 16797 * 16798 * @param userId The device user for which to do a reset. 16799 */ 16800 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16801 final int packageCount = mPackages.size(); 16802 for (int i = 0; i < packageCount; i++) { 16803 PackageParser.Package pkg = mPackages.valueAt(i); 16804 PackageSetting ps = (PackageSetting) pkg.mExtras; 16805 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16806 } 16807 } 16808 16809 private void resetNetworkPolicies(int userId) { 16810 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16811 } 16812 16813 /** 16814 * Reverts user permission state changes (permissions and flags). 16815 * 16816 * @param ps The package for which to reset. 16817 * @param userId The device user for which to do a reset. 16818 */ 16819 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16820 final PackageSetting ps, final int userId) { 16821 if (ps.pkg == null) { 16822 return; 16823 } 16824 16825 // These are flags that can change base on user actions. 16826 final int userSettableMask = FLAG_PERMISSION_USER_SET 16827 | FLAG_PERMISSION_USER_FIXED 16828 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16829 | FLAG_PERMISSION_REVIEW_REQUIRED; 16830 16831 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16832 | FLAG_PERMISSION_POLICY_FIXED; 16833 16834 boolean writeInstallPermissions = false; 16835 boolean writeRuntimePermissions = false; 16836 16837 final int permissionCount = ps.pkg.requestedPermissions.size(); 16838 for (int i = 0; i < permissionCount; i++) { 16839 String permission = ps.pkg.requestedPermissions.get(i); 16840 16841 BasePermission bp = mSettings.mPermissions.get(permission); 16842 if (bp == null) { 16843 continue; 16844 } 16845 16846 // If shared user we just reset the state to which only this app contributed. 16847 if (ps.sharedUser != null) { 16848 boolean used = false; 16849 final int packageCount = ps.sharedUser.packages.size(); 16850 for (int j = 0; j < packageCount; j++) { 16851 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16852 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16853 && pkg.pkg.requestedPermissions.contains(permission)) { 16854 used = true; 16855 break; 16856 } 16857 } 16858 if (used) { 16859 continue; 16860 } 16861 } 16862 16863 PermissionsState permissionsState = ps.getPermissionsState(); 16864 16865 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16866 16867 // Always clear the user settable flags. 16868 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16869 bp.name) != null; 16870 // If permission review is enabled and this is a legacy app, mark the 16871 // permission as requiring a review as this is the initial state. 16872 int flags = 0; 16873 if (mPermissionReviewRequired 16874 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16875 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16876 } 16877 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16878 if (hasInstallState) { 16879 writeInstallPermissions = true; 16880 } else { 16881 writeRuntimePermissions = true; 16882 } 16883 } 16884 16885 // Below is only runtime permission handling. 16886 if (!bp.isRuntime()) { 16887 continue; 16888 } 16889 16890 // Never clobber system or policy. 16891 if ((oldFlags & policyOrSystemFlags) != 0) { 16892 continue; 16893 } 16894 16895 // If this permission was granted by default, make sure it is. 16896 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16897 if (permissionsState.grantRuntimePermission(bp, userId) 16898 != PERMISSION_OPERATION_FAILURE) { 16899 writeRuntimePermissions = true; 16900 } 16901 // If permission review is enabled the permissions for a legacy apps 16902 // are represented as constantly granted runtime ones, so don't revoke. 16903 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16904 // Otherwise, reset the permission. 16905 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16906 switch (revokeResult) { 16907 case PERMISSION_OPERATION_SUCCESS: 16908 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16909 writeRuntimePermissions = true; 16910 final int appId = ps.appId; 16911 mHandler.post(new Runnable() { 16912 @Override 16913 public void run() { 16914 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16915 } 16916 }); 16917 } break; 16918 } 16919 } 16920 } 16921 16922 // Synchronously write as we are taking permissions away. 16923 if (writeRuntimePermissions) { 16924 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16925 } 16926 16927 // Synchronously write as we are taking permissions away. 16928 if (writeInstallPermissions) { 16929 mSettings.writeLPr(); 16930 } 16931 } 16932 16933 /** 16934 * Remove entries from the keystore daemon. Will only remove it if the 16935 * {@code appId} is valid. 16936 */ 16937 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16938 if (appId < 0) { 16939 return; 16940 } 16941 16942 final KeyStore keyStore = KeyStore.getInstance(); 16943 if (keyStore != null) { 16944 if (userId == UserHandle.USER_ALL) { 16945 for (final int individual : sUserManager.getUserIds()) { 16946 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16947 } 16948 } else { 16949 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16950 } 16951 } else { 16952 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16953 } 16954 } 16955 16956 @Override 16957 public void deleteApplicationCacheFiles(final String packageName, 16958 final IPackageDataObserver observer) { 16959 final int userId = UserHandle.getCallingUserId(); 16960 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16961 } 16962 16963 @Override 16964 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16965 final IPackageDataObserver observer) { 16966 mContext.enforceCallingOrSelfPermission( 16967 android.Manifest.permission.DELETE_CACHE_FILES, null); 16968 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16969 /* requireFullPermission= */ true, /* checkShell= */ false, 16970 "delete application cache files"); 16971 16972 final PackageParser.Package pkg; 16973 synchronized (mPackages) { 16974 pkg = mPackages.get(packageName); 16975 } 16976 16977 // Queue up an async operation since the package deletion may take a little while. 16978 mHandler.post(new Runnable() { 16979 public void run() { 16980 synchronized (mInstallLock) { 16981 final int flags = StorageManager.FLAG_STORAGE_DE 16982 | StorageManager.FLAG_STORAGE_CE; 16983 // We're only clearing cache files, so we don't care if the 16984 // app is unfrozen and still able to run 16985 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16986 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16987 } 16988 clearExternalStorageDataSync(packageName, userId, false); 16989 if (observer != null) { 16990 try { 16991 observer.onRemoveCompleted(packageName, true); 16992 } catch (RemoteException e) { 16993 Log.i(TAG, "Observer no longer exists."); 16994 } 16995 } 16996 } 16997 }); 16998 } 16999 17000 @Override 17001 public void getPackageSizeInfo(final String packageName, int userHandle, 17002 final IPackageStatsObserver observer) { 17003 mContext.enforceCallingOrSelfPermission( 17004 android.Manifest.permission.GET_PACKAGE_SIZE, null); 17005 if (packageName == null) { 17006 throw new IllegalArgumentException("Attempt to get size of null packageName"); 17007 } 17008 17009 PackageStats stats = new PackageStats(packageName, userHandle); 17010 17011 /* 17012 * Queue up an async operation since the package measurement may take a 17013 * little while. 17014 */ 17015 Message msg = mHandler.obtainMessage(INIT_COPY); 17016 msg.obj = new MeasureParams(stats, observer); 17017 mHandler.sendMessage(msg); 17018 } 17019 17020 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 17021 final PackageSetting ps; 17022 synchronized (mPackages) { 17023 ps = mSettings.mPackages.get(packageName); 17024 if (ps == null) { 17025 Slog.w(TAG, "Failed to find settings for " + packageName); 17026 return false; 17027 } 17028 } 17029 try { 17030 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 17031 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 17032 ps.getCeDataInode(userId), ps.codePathString, stats); 17033 } catch (InstallerException e) { 17034 Slog.w(TAG, String.valueOf(e)); 17035 return false; 17036 } 17037 17038 // For now, ignore code size of packages on system partition 17039 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 17040 stats.codeSize = 0; 17041 } 17042 17043 return true; 17044 } 17045 17046 private int getUidTargetSdkVersionLockedLPr(int uid) { 17047 Object obj = mSettings.getUserIdLPr(uid); 17048 if (obj instanceof SharedUserSetting) { 17049 final SharedUserSetting sus = (SharedUserSetting) obj; 17050 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 17051 final Iterator<PackageSetting> it = sus.packages.iterator(); 17052 while (it.hasNext()) { 17053 final PackageSetting ps = it.next(); 17054 if (ps.pkg != null) { 17055 int v = ps.pkg.applicationInfo.targetSdkVersion; 17056 if (v < vers) vers = v; 17057 } 17058 } 17059 return vers; 17060 } else if (obj instanceof PackageSetting) { 17061 final PackageSetting ps = (PackageSetting) obj; 17062 if (ps.pkg != null) { 17063 return ps.pkg.applicationInfo.targetSdkVersion; 17064 } 17065 } 17066 return Build.VERSION_CODES.CUR_DEVELOPMENT; 17067 } 17068 17069 @Override 17070 public void addPreferredActivity(IntentFilter filter, int match, 17071 ComponentName[] set, ComponentName activity, int userId) { 17072 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17073 "Adding preferred"); 17074 } 17075 17076 private void addPreferredActivityInternal(IntentFilter filter, int match, 17077 ComponentName[] set, ComponentName activity, boolean always, int userId, 17078 String opname) { 17079 // writer 17080 int callingUid = Binder.getCallingUid(); 17081 enforceCrossUserPermission(callingUid, userId, 17082 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 17083 if (filter.countActions() == 0) { 17084 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17085 return; 17086 } 17087 synchronized (mPackages) { 17088 if (mContext.checkCallingOrSelfPermission( 17089 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17090 != PackageManager.PERMISSION_GRANTED) { 17091 if (getUidTargetSdkVersionLockedLPr(callingUid) 17092 < Build.VERSION_CODES.FROYO) { 17093 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 17094 + callingUid); 17095 return; 17096 } 17097 mContext.enforceCallingOrSelfPermission( 17098 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17099 } 17100 17101 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 17102 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 17103 + userId + ":"); 17104 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17105 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 17106 scheduleWritePackageRestrictionsLocked(userId); 17107 postPreferredActivityChangedBroadcast(userId); 17108 } 17109 } 17110 17111 private void postPreferredActivityChangedBroadcast(int userId) { 17112 mHandler.post(() -> { 17113 final IActivityManager am = ActivityManager.getService(); 17114 if (am == null) { 17115 return; 17116 } 17117 17118 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 17119 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 17120 try { 17121 am.broadcastIntent(null, intent, null, null, 17122 0, null, null, null, android.app.AppOpsManager.OP_NONE, 17123 null, false, false, userId); 17124 } catch (RemoteException e) { 17125 } 17126 }); 17127 } 17128 17129 @Override 17130 public void replacePreferredActivity(IntentFilter filter, int match, 17131 ComponentName[] set, ComponentName activity, int userId) { 17132 if (filter.countActions() != 1) { 17133 throw new IllegalArgumentException( 17134 "replacePreferredActivity expects filter to have only 1 action."); 17135 } 17136 if (filter.countDataAuthorities() != 0 17137 || filter.countDataPaths() != 0 17138 || filter.countDataSchemes() > 1 17139 || filter.countDataTypes() != 0) { 17140 throw new IllegalArgumentException( 17141 "replacePreferredActivity expects filter to have no data authorities, " + 17142 "paths, or types; and at most one scheme."); 17143 } 17144 17145 final int callingUid = Binder.getCallingUid(); 17146 enforceCrossUserPermission(callingUid, userId, 17147 true /* requireFullPermission */, false /* checkShell */, 17148 "replace preferred activity"); 17149 synchronized (mPackages) { 17150 if (mContext.checkCallingOrSelfPermission( 17151 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17152 != PackageManager.PERMISSION_GRANTED) { 17153 if (getUidTargetSdkVersionLockedLPr(callingUid) 17154 < Build.VERSION_CODES.FROYO) { 17155 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 17156 + Binder.getCallingUid()); 17157 return; 17158 } 17159 mContext.enforceCallingOrSelfPermission( 17160 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17161 } 17162 17163 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17164 if (pir != null) { 17165 // Get all of the existing entries that exactly match this filter. 17166 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 17167 if (existing != null && existing.size() == 1) { 17168 PreferredActivity cur = existing.get(0); 17169 if (DEBUG_PREFERRED) { 17170 Slog.i(TAG, "Checking replace of preferred:"); 17171 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17172 if (!cur.mPref.mAlways) { 17173 Slog.i(TAG, " -- CUR; not mAlways!"); 17174 } else { 17175 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 17176 Slog.i(TAG, " -- CUR: mSet=" 17177 + Arrays.toString(cur.mPref.mSetComponents)); 17178 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 17179 Slog.i(TAG, " -- NEW: mMatch=" 17180 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 17181 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 17182 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 17183 } 17184 } 17185 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 17186 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 17187 && cur.mPref.sameSet(set)) { 17188 // Setting the preferred activity to what it happens to be already 17189 if (DEBUG_PREFERRED) { 17190 Slog.i(TAG, "Replacing with same preferred activity " 17191 + cur.mPref.mShortComponent + " for user " 17192 + userId + ":"); 17193 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17194 } 17195 return; 17196 } 17197 } 17198 17199 if (existing != null) { 17200 if (DEBUG_PREFERRED) { 17201 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 17202 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17203 } 17204 for (int i = 0; i < existing.size(); i++) { 17205 PreferredActivity pa = existing.get(i); 17206 if (DEBUG_PREFERRED) { 17207 Slog.i(TAG, "Removing existing preferred activity " 17208 + pa.mPref.mComponent + ":"); 17209 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 17210 } 17211 pir.removeFilter(pa); 17212 } 17213 } 17214 } 17215 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17216 "Replacing preferred"); 17217 } 17218 } 17219 17220 @Override 17221 public void clearPackagePreferredActivities(String packageName) { 17222 final int uid = Binder.getCallingUid(); 17223 // writer 17224 synchronized (mPackages) { 17225 PackageParser.Package pkg = mPackages.get(packageName); 17226 if (pkg == null || pkg.applicationInfo.uid != uid) { 17227 if (mContext.checkCallingOrSelfPermission( 17228 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17229 != PackageManager.PERMISSION_GRANTED) { 17230 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 17231 < Build.VERSION_CODES.FROYO) { 17232 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 17233 + Binder.getCallingUid()); 17234 return; 17235 } 17236 mContext.enforceCallingOrSelfPermission( 17237 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17238 } 17239 } 17240 17241 int user = UserHandle.getCallingUserId(); 17242 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 17243 scheduleWritePackageRestrictionsLocked(user); 17244 } 17245 } 17246 } 17247 17248 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17249 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17250 ArrayList<PreferredActivity> removed = null; 17251 boolean changed = false; 17252 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17253 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17254 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17255 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17256 continue; 17257 } 17258 Iterator<PreferredActivity> it = pir.filterIterator(); 17259 while (it.hasNext()) { 17260 PreferredActivity pa = it.next(); 17261 // Mark entry for removal only if it matches the package name 17262 // and the entry is of type "always". 17263 if (packageName == null || 17264 (pa.mPref.mComponent.getPackageName().equals(packageName) 17265 && pa.mPref.mAlways)) { 17266 if (removed == null) { 17267 removed = new ArrayList<PreferredActivity>(); 17268 } 17269 removed.add(pa); 17270 } 17271 } 17272 if (removed != null) { 17273 for (int j=0; j<removed.size(); j++) { 17274 PreferredActivity pa = removed.get(j); 17275 pir.removeFilter(pa); 17276 } 17277 changed = true; 17278 } 17279 } 17280 if (changed) { 17281 postPreferredActivityChangedBroadcast(userId); 17282 } 17283 return changed; 17284 } 17285 17286 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17287 private void clearIntentFilterVerificationsLPw(int userId) { 17288 final int packageCount = mPackages.size(); 17289 for (int i = 0; i < packageCount; i++) { 17290 PackageParser.Package pkg = mPackages.valueAt(i); 17291 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17292 } 17293 } 17294 17295 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17296 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17297 if (userId == UserHandle.USER_ALL) { 17298 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17299 sUserManager.getUserIds())) { 17300 for (int oneUserId : sUserManager.getUserIds()) { 17301 scheduleWritePackageRestrictionsLocked(oneUserId); 17302 } 17303 } 17304 } else { 17305 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17306 scheduleWritePackageRestrictionsLocked(userId); 17307 } 17308 } 17309 } 17310 17311 void clearDefaultBrowserIfNeeded(String packageName) { 17312 for (int oneUserId : sUserManager.getUserIds()) { 17313 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17314 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17315 if (packageName.equals(defaultBrowserPackageName)) { 17316 setDefaultBrowserPackageName(null, oneUserId); 17317 } 17318 } 17319 } 17320 17321 @Override 17322 public void resetApplicationPreferences(int userId) { 17323 mContext.enforceCallingOrSelfPermission( 17324 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17325 final long identity = Binder.clearCallingIdentity(); 17326 // writer 17327 try { 17328 synchronized (mPackages) { 17329 clearPackagePreferredActivitiesLPw(null, userId); 17330 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17331 // TODO: We have to reset the default SMS and Phone. This requires 17332 // significant refactoring to keep all default apps in the package 17333 // manager (cleaner but more work) or have the services provide 17334 // callbacks to the package manager to request a default app reset. 17335 applyFactoryDefaultBrowserLPw(userId); 17336 clearIntentFilterVerificationsLPw(userId); 17337 primeDomainVerificationsLPw(userId); 17338 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17339 scheduleWritePackageRestrictionsLocked(userId); 17340 } 17341 resetNetworkPolicies(userId); 17342 } finally { 17343 Binder.restoreCallingIdentity(identity); 17344 } 17345 } 17346 17347 @Override 17348 public int getPreferredActivities(List<IntentFilter> outFilters, 17349 List<ComponentName> outActivities, String packageName) { 17350 17351 int num = 0; 17352 final int userId = UserHandle.getCallingUserId(); 17353 // reader 17354 synchronized (mPackages) { 17355 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17356 if (pir != null) { 17357 final Iterator<PreferredActivity> it = pir.filterIterator(); 17358 while (it.hasNext()) { 17359 final PreferredActivity pa = it.next(); 17360 if (packageName == null 17361 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17362 && pa.mPref.mAlways)) { 17363 if (outFilters != null) { 17364 outFilters.add(new IntentFilter(pa)); 17365 } 17366 if (outActivities != null) { 17367 outActivities.add(pa.mPref.mComponent); 17368 } 17369 } 17370 } 17371 } 17372 } 17373 17374 return num; 17375 } 17376 17377 @Override 17378 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17379 int userId) { 17380 int callingUid = Binder.getCallingUid(); 17381 if (callingUid != Process.SYSTEM_UID) { 17382 throw new SecurityException( 17383 "addPersistentPreferredActivity can only be run by the system"); 17384 } 17385 if (filter.countActions() == 0) { 17386 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17387 return; 17388 } 17389 synchronized (mPackages) { 17390 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17391 ":"); 17392 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17393 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17394 new PersistentPreferredActivity(filter, activity)); 17395 scheduleWritePackageRestrictionsLocked(userId); 17396 postPreferredActivityChangedBroadcast(userId); 17397 } 17398 } 17399 17400 @Override 17401 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17402 int callingUid = Binder.getCallingUid(); 17403 if (callingUid != Process.SYSTEM_UID) { 17404 throw new SecurityException( 17405 "clearPackagePersistentPreferredActivities can only be run by the system"); 17406 } 17407 ArrayList<PersistentPreferredActivity> removed = null; 17408 boolean changed = false; 17409 synchronized (mPackages) { 17410 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17411 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17412 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17413 .valueAt(i); 17414 if (userId != thisUserId) { 17415 continue; 17416 } 17417 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17418 while (it.hasNext()) { 17419 PersistentPreferredActivity ppa = it.next(); 17420 // Mark entry for removal only if it matches the package name. 17421 if (ppa.mComponent.getPackageName().equals(packageName)) { 17422 if (removed == null) { 17423 removed = new ArrayList<PersistentPreferredActivity>(); 17424 } 17425 removed.add(ppa); 17426 } 17427 } 17428 if (removed != null) { 17429 for (int j=0; j<removed.size(); j++) { 17430 PersistentPreferredActivity ppa = removed.get(j); 17431 ppir.removeFilter(ppa); 17432 } 17433 changed = true; 17434 } 17435 } 17436 17437 if (changed) { 17438 scheduleWritePackageRestrictionsLocked(userId); 17439 postPreferredActivityChangedBroadcast(userId); 17440 } 17441 } 17442 } 17443 17444 /** 17445 * Common machinery for picking apart a restored XML blob and passing 17446 * it to a caller-supplied functor to be applied to the running system. 17447 */ 17448 private void restoreFromXml(XmlPullParser parser, int userId, 17449 String expectedStartTag, BlobXmlRestorer functor) 17450 throws IOException, XmlPullParserException { 17451 int type; 17452 while ((type = parser.next()) != XmlPullParser.START_TAG 17453 && type != XmlPullParser.END_DOCUMENT) { 17454 } 17455 if (type != XmlPullParser.START_TAG) { 17456 // oops didn't find a start tag?! 17457 if (DEBUG_BACKUP) { 17458 Slog.e(TAG, "Didn't find start tag during restore"); 17459 } 17460 return; 17461 } 17462Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17463 // this is supposed to be TAG_PREFERRED_BACKUP 17464 if (!expectedStartTag.equals(parser.getName())) { 17465 if (DEBUG_BACKUP) { 17466 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17467 } 17468 return; 17469 } 17470 17471 // skip interfering stuff, then we're aligned with the backing implementation 17472 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17473Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17474 functor.apply(parser, userId); 17475 } 17476 17477 private interface BlobXmlRestorer { 17478 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17479 } 17480 17481 /** 17482 * Non-Binder method, support for the backup/restore mechanism: write the 17483 * full set of preferred activities in its canonical XML format. Returns the 17484 * XML output as a byte array, or null if there is none. 17485 */ 17486 @Override 17487 public byte[] getPreferredActivityBackup(int userId) { 17488 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17489 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17490 } 17491 17492 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17493 try { 17494 final XmlSerializer serializer = new FastXmlSerializer(); 17495 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17496 serializer.startDocument(null, true); 17497 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17498 17499 synchronized (mPackages) { 17500 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17501 } 17502 17503 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17504 serializer.endDocument(); 17505 serializer.flush(); 17506 } catch (Exception e) { 17507 if (DEBUG_BACKUP) { 17508 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17509 } 17510 return null; 17511 } 17512 17513 return dataStream.toByteArray(); 17514 } 17515 17516 @Override 17517 public void restorePreferredActivities(byte[] backup, int userId) { 17518 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17519 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17520 } 17521 17522 try { 17523 final XmlPullParser parser = Xml.newPullParser(); 17524 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17525 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17526 new BlobXmlRestorer() { 17527 @Override 17528 public void apply(XmlPullParser parser, int userId) 17529 throws XmlPullParserException, IOException { 17530 synchronized (mPackages) { 17531 mSettings.readPreferredActivitiesLPw(parser, userId); 17532 } 17533 } 17534 } ); 17535 } catch (Exception e) { 17536 if (DEBUG_BACKUP) { 17537 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17538 } 17539 } 17540 } 17541 17542 /** 17543 * Non-Binder method, support for the backup/restore mechanism: write the 17544 * default browser (etc) settings in its canonical XML format. Returns the default 17545 * browser XML representation as a byte array, or null if there is none. 17546 */ 17547 @Override 17548 public byte[] getDefaultAppsBackup(int userId) { 17549 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17550 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17551 } 17552 17553 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17554 try { 17555 final XmlSerializer serializer = new FastXmlSerializer(); 17556 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17557 serializer.startDocument(null, true); 17558 serializer.startTag(null, TAG_DEFAULT_APPS); 17559 17560 synchronized (mPackages) { 17561 mSettings.writeDefaultAppsLPr(serializer, userId); 17562 } 17563 17564 serializer.endTag(null, TAG_DEFAULT_APPS); 17565 serializer.endDocument(); 17566 serializer.flush(); 17567 } catch (Exception e) { 17568 if (DEBUG_BACKUP) { 17569 Slog.e(TAG, "Unable to write default apps for backup", e); 17570 } 17571 return null; 17572 } 17573 17574 return dataStream.toByteArray(); 17575 } 17576 17577 @Override 17578 public void restoreDefaultApps(byte[] backup, int userId) { 17579 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17580 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17581 } 17582 17583 try { 17584 final XmlPullParser parser = Xml.newPullParser(); 17585 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17586 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17587 new BlobXmlRestorer() { 17588 @Override 17589 public void apply(XmlPullParser parser, int userId) 17590 throws XmlPullParserException, IOException { 17591 synchronized (mPackages) { 17592 mSettings.readDefaultAppsLPw(parser, userId); 17593 } 17594 } 17595 } ); 17596 } catch (Exception e) { 17597 if (DEBUG_BACKUP) { 17598 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17599 } 17600 } 17601 } 17602 17603 @Override 17604 public byte[] getIntentFilterVerificationBackup(int userId) { 17605 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17606 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17607 } 17608 17609 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17610 try { 17611 final XmlSerializer serializer = new FastXmlSerializer(); 17612 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17613 serializer.startDocument(null, true); 17614 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17615 17616 synchronized (mPackages) { 17617 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17618 } 17619 17620 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17621 serializer.endDocument(); 17622 serializer.flush(); 17623 } catch (Exception e) { 17624 if (DEBUG_BACKUP) { 17625 Slog.e(TAG, "Unable to write default apps for backup", e); 17626 } 17627 return null; 17628 } 17629 17630 return dataStream.toByteArray(); 17631 } 17632 17633 @Override 17634 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17635 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17636 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17637 } 17638 17639 try { 17640 final XmlPullParser parser = Xml.newPullParser(); 17641 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17642 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17643 new BlobXmlRestorer() { 17644 @Override 17645 public void apply(XmlPullParser parser, int userId) 17646 throws XmlPullParserException, IOException { 17647 synchronized (mPackages) { 17648 mSettings.readAllDomainVerificationsLPr(parser, userId); 17649 mSettings.writeLPr(); 17650 } 17651 } 17652 } ); 17653 } catch (Exception e) { 17654 if (DEBUG_BACKUP) { 17655 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17656 } 17657 } 17658 } 17659 17660 @Override 17661 public byte[] getPermissionGrantBackup(int userId) { 17662 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17663 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17664 } 17665 17666 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17667 try { 17668 final XmlSerializer serializer = new FastXmlSerializer(); 17669 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17670 serializer.startDocument(null, true); 17671 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17672 17673 synchronized (mPackages) { 17674 serializeRuntimePermissionGrantsLPr(serializer, userId); 17675 } 17676 17677 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17678 serializer.endDocument(); 17679 serializer.flush(); 17680 } catch (Exception e) { 17681 if (DEBUG_BACKUP) { 17682 Slog.e(TAG, "Unable to write default apps for backup", e); 17683 } 17684 return null; 17685 } 17686 17687 return dataStream.toByteArray(); 17688 } 17689 17690 @Override 17691 public void restorePermissionGrants(byte[] backup, int userId) { 17692 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17693 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17694 } 17695 17696 try { 17697 final XmlPullParser parser = Xml.newPullParser(); 17698 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17699 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17700 new BlobXmlRestorer() { 17701 @Override 17702 public void apply(XmlPullParser parser, int userId) 17703 throws XmlPullParserException, IOException { 17704 synchronized (mPackages) { 17705 processRestoredPermissionGrantsLPr(parser, userId); 17706 } 17707 } 17708 } ); 17709 } catch (Exception e) { 17710 if (DEBUG_BACKUP) { 17711 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17712 } 17713 } 17714 } 17715 17716 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17717 throws IOException { 17718 serializer.startTag(null, TAG_ALL_GRANTS); 17719 17720 final int N = mSettings.mPackages.size(); 17721 for (int i = 0; i < N; i++) { 17722 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17723 boolean pkgGrantsKnown = false; 17724 17725 PermissionsState packagePerms = ps.getPermissionsState(); 17726 17727 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17728 final int grantFlags = state.getFlags(); 17729 // only look at grants that are not system/policy fixed 17730 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17731 final boolean isGranted = state.isGranted(); 17732 // And only back up the user-twiddled state bits 17733 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17734 final String packageName = mSettings.mPackages.keyAt(i); 17735 if (!pkgGrantsKnown) { 17736 serializer.startTag(null, TAG_GRANT); 17737 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17738 pkgGrantsKnown = true; 17739 } 17740 17741 final boolean userSet = 17742 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17743 final boolean userFixed = 17744 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17745 final boolean revoke = 17746 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17747 17748 serializer.startTag(null, TAG_PERMISSION); 17749 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17750 if (isGranted) { 17751 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17752 } 17753 if (userSet) { 17754 serializer.attribute(null, ATTR_USER_SET, "true"); 17755 } 17756 if (userFixed) { 17757 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17758 } 17759 if (revoke) { 17760 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17761 } 17762 serializer.endTag(null, TAG_PERMISSION); 17763 } 17764 } 17765 } 17766 17767 if (pkgGrantsKnown) { 17768 serializer.endTag(null, TAG_GRANT); 17769 } 17770 } 17771 17772 serializer.endTag(null, TAG_ALL_GRANTS); 17773 } 17774 17775 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17776 throws XmlPullParserException, IOException { 17777 String pkgName = null; 17778 int outerDepth = parser.getDepth(); 17779 int type; 17780 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17781 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17782 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17783 continue; 17784 } 17785 17786 final String tagName = parser.getName(); 17787 if (tagName.equals(TAG_GRANT)) { 17788 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17789 if (DEBUG_BACKUP) { 17790 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17791 } 17792 } else if (tagName.equals(TAG_PERMISSION)) { 17793 17794 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17795 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17796 17797 int newFlagSet = 0; 17798 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17799 newFlagSet |= FLAG_PERMISSION_USER_SET; 17800 } 17801 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17802 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17803 } 17804 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17805 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17806 } 17807 if (DEBUG_BACKUP) { 17808 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17809 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17810 } 17811 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17812 if (ps != null) { 17813 // Already installed so we apply the grant immediately 17814 if (DEBUG_BACKUP) { 17815 Slog.v(TAG, " + already installed; applying"); 17816 } 17817 PermissionsState perms = ps.getPermissionsState(); 17818 BasePermission bp = mSettings.mPermissions.get(permName); 17819 if (bp != null) { 17820 if (isGranted) { 17821 perms.grantRuntimePermission(bp, userId); 17822 } 17823 if (newFlagSet != 0) { 17824 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17825 } 17826 } 17827 } else { 17828 // Need to wait for post-restore install to apply the grant 17829 if (DEBUG_BACKUP) { 17830 Slog.v(TAG, " - not yet installed; saving for later"); 17831 } 17832 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17833 isGranted, newFlagSet, userId); 17834 } 17835 } else { 17836 PackageManagerService.reportSettingsProblem(Log.WARN, 17837 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17838 XmlUtils.skipCurrentTag(parser); 17839 } 17840 } 17841 17842 scheduleWriteSettingsLocked(); 17843 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17844 } 17845 17846 @Override 17847 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17848 int sourceUserId, int targetUserId, int flags) { 17849 mContext.enforceCallingOrSelfPermission( 17850 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17851 int callingUid = Binder.getCallingUid(); 17852 enforceOwnerRights(ownerPackage, callingUid); 17853 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17854 if (intentFilter.countActions() == 0) { 17855 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17856 return; 17857 } 17858 synchronized (mPackages) { 17859 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17860 ownerPackage, targetUserId, flags); 17861 CrossProfileIntentResolver resolver = 17862 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17863 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17864 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17865 if (existing != null) { 17866 int size = existing.size(); 17867 for (int i = 0; i < size; i++) { 17868 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17869 return; 17870 } 17871 } 17872 } 17873 resolver.addFilter(newFilter); 17874 scheduleWritePackageRestrictionsLocked(sourceUserId); 17875 } 17876 } 17877 17878 @Override 17879 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17880 mContext.enforceCallingOrSelfPermission( 17881 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17882 int callingUid = Binder.getCallingUid(); 17883 enforceOwnerRights(ownerPackage, callingUid); 17884 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17885 synchronized (mPackages) { 17886 CrossProfileIntentResolver resolver = 17887 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17888 ArraySet<CrossProfileIntentFilter> set = 17889 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17890 for (CrossProfileIntentFilter filter : set) { 17891 if (filter.getOwnerPackage().equals(ownerPackage)) { 17892 resolver.removeFilter(filter); 17893 } 17894 } 17895 scheduleWritePackageRestrictionsLocked(sourceUserId); 17896 } 17897 } 17898 17899 // Enforcing that callingUid is owning pkg on userId 17900 private void enforceOwnerRights(String pkg, int callingUid) { 17901 // The system owns everything. 17902 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17903 return; 17904 } 17905 int callingUserId = UserHandle.getUserId(callingUid); 17906 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17907 if (pi == null) { 17908 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17909 + callingUserId); 17910 } 17911 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17912 throw new SecurityException("Calling uid " + callingUid 17913 + " does not own package " + pkg); 17914 } 17915 } 17916 17917 @Override 17918 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17919 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17920 } 17921 17922 private Intent getHomeIntent() { 17923 Intent intent = new Intent(Intent.ACTION_MAIN); 17924 intent.addCategory(Intent.CATEGORY_HOME); 17925 intent.addCategory(Intent.CATEGORY_DEFAULT); 17926 return intent; 17927 } 17928 17929 private IntentFilter getHomeFilter() { 17930 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17931 filter.addCategory(Intent.CATEGORY_HOME); 17932 filter.addCategory(Intent.CATEGORY_DEFAULT); 17933 return filter; 17934 } 17935 17936 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17937 int userId) { 17938 Intent intent = getHomeIntent(); 17939 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17940 PackageManager.GET_META_DATA, userId); 17941 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17942 true, false, false, userId); 17943 17944 allHomeCandidates.clear(); 17945 if (list != null) { 17946 for (ResolveInfo ri : list) { 17947 allHomeCandidates.add(ri); 17948 } 17949 } 17950 return (preferred == null || preferred.activityInfo == null) 17951 ? null 17952 : new ComponentName(preferred.activityInfo.packageName, 17953 preferred.activityInfo.name); 17954 } 17955 17956 @Override 17957 public void setHomeActivity(ComponentName comp, int userId) { 17958 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17959 getHomeActivitiesAsUser(homeActivities, userId); 17960 17961 boolean found = false; 17962 17963 final int size = homeActivities.size(); 17964 final ComponentName[] set = new ComponentName[size]; 17965 for (int i = 0; i < size; i++) { 17966 final ResolveInfo candidate = homeActivities.get(i); 17967 final ActivityInfo info = candidate.activityInfo; 17968 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17969 set[i] = activityName; 17970 if (!found && activityName.equals(comp)) { 17971 found = true; 17972 } 17973 } 17974 if (!found) { 17975 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17976 + userId); 17977 } 17978 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17979 set, comp, userId); 17980 } 17981 17982 private @Nullable String getSetupWizardPackageName() { 17983 final Intent intent = new Intent(Intent.ACTION_MAIN); 17984 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17985 17986 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17987 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17988 | MATCH_DISABLED_COMPONENTS, 17989 UserHandle.myUserId()); 17990 if (matches.size() == 1) { 17991 return matches.get(0).getComponentInfo().packageName; 17992 } else { 17993 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17994 + ": matches=" + matches); 17995 return null; 17996 } 17997 } 17998 17999 private @Nullable String getStorageManagerPackageName() { 18000 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 18001 18002 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 18003 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 18004 | MATCH_DISABLED_COMPONENTS, 18005 UserHandle.myUserId()); 18006 if (matches.size() == 1) { 18007 return matches.get(0).getComponentInfo().packageName; 18008 } else { 18009 Slog.e(TAG, "There should probably be exactly one storage manager; found " 18010 + matches.size() + ": matches=" + matches); 18011 return null; 18012 } 18013 } 18014 18015 @Override 18016 public void setApplicationEnabledSetting(String appPackageName, 18017 int newState, int flags, int userId, String callingPackage) { 18018 if (!sUserManager.exists(userId)) return; 18019 if (callingPackage == null) { 18020 callingPackage = Integer.toString(Binder.getCallingUid()); 18021 } 18022 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 18023 } 18024 18025 @Override 18026 public void setComponentEnabledSetting(ComponentName componentName, 18027 int newState, int flags, int userId) { 18028 if (!sUserManager.exists(userId)) return; 18029 setEnabledSetting(componentName.getPackageName(), 18030 componentName.getClassName(), newState, flags, userId, null); 18031 } 18032 18033 private void setEnabledSetting(final String packageName, String className, int newState, 18034 final int flags, int userId, String callingPackage) { 18035 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 18036 || newState == COMPONENT_ENABLED_STATE_ENABLED 18037 || newState == COMPONENT_ENABLED_STATE_DISABLED 18038 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18039 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 18040 throw new IllegalArgumentException("Invalid new component state: " 18041 + newState); 18042 } 18043 PackageSetting pkgSetting; 18044 final int uid = Binder.getCallingUid(); 18045 final int permission; 18046 if (uid == Process.SYSTEM_UID) { 18047 permission = PackageManager.PERMISSION_GRANTED; 18048 } else { 18049 permission = mContext.checkCallingOrSelfPermission( 18050 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18051 } 18052 enforceCrossUserPermission(uid, userId, 18053 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 18054 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18055 boolean sendNow = false; 18056 boolean isApp = (className == null); 18057 String componentName = isApp ? packageName : className; 18058 int packageUid = -1; 18059 ArrayList<String> components; 18060 18061 // writer 18062 synchronized (mPackages) { 18063 pkgSetting = mSettings.mPackages.get(packageName); 18064 if (pkgSetting == null) { 18065 if (className == null) { 18066 throw new IllegalArgumentException("Unknown package: " + packageName); 18067 } 18068 throw new IllegalArgumentException( 18069 "Unknown component: " + packageName + "/" + className); 18070 } 18071 } 18072 18073 // Limit who can change which apps 18074 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 18075 // Don't allow apps that don't have permission to modify other apps 18076 if (!allowedByPermission) { 18077 throw new SecurityException( 18078 "Permission Denial: attempt to change component state from pid=" 18079 + Binder.getCallingPid() 18080 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 18081 } 18082 // Don't allow changing protected packages. 18083 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 18084 throw new SecurityException("Cannot disable a protected package: " + packageName); 18085 } 18086 } 18087 18088 synchronized (mPackages) { 18089 if (uid == Process.SHELL_UID 18090 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 18091 // Shell can only change whole packages between ENABLED and DISABLED_USER states 18092 // unless it is a test package. 18093 int oldState = pkgSetting.getEnabled(userId); 18094 if (className == null 18095 && 18096 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 18097 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 18098 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 18099 && 18100 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18101 || newState == COMPONENT_ENABLED_STATE_DEFAULT 18102 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 18103 // ok 18104 } else { 18105 throw new SecurityException( 18106 "Shell cannot change component state for " + packageName + "/" 18107 + className + " to " + newState); 18108 } 18109 } 18110 if (className == null) { 18111 // We're dealing with an application/package level state change 18112 if (pkgSetting.getEnabled(userId) == newState) { 18113 // Nothing to do 18114 return; 18115 } 18116 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 18117 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 18118 // Don't care about who enables an app. 18119 callingPackage = null; 18120 } 18121 pkgSetting.setEnabled(newState, userId, callingPackage); 18122 // pkgSetting.pkg.mSetEnabled = newState; 18123 } else { 18124 // We're dealing with a component level state change 18125 // First, verify that this is a valid class name. 18126 PackageParser.Package pkg = pkgSetting.pkg; 18127 if (pkg == null || !pkg.hasComponentClassName(className)) { 18128 if (pkg != null && 18129 pkg.applicationInfo.targetSdkVersion >= 18130 Build.VERSION_CODES.JELLY_BEAN) { 18131 throw new IllegalArgumentException("Component class " + className 18132 + " does not exist in " + packageName); 18133 } else { 18134 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 18135 + className + " does not exist in " + packageName); 18136 } 18137 } 18138 switch (newState) { 18139 case COMPONENT_ENABLED_STATE_ENABLED: 18140 if (!pkgSetting.enableComponentLPw(className, userId)) { 18141 return; 18142 } 18143 break; 18144 case COMPONENT_ENABLED_STATE_DISABLED: 18145 if (!pkgSetting.disableComponentLPw(className, userId)) { 18146 return; 18147 } 18148 break; 18149 case COMPONENT_ENABLED_STATE_DEFAULT: 18150 if (!pkgSetting.restoreComponentLPw(className, userId)) { 18151 return; 18152 } 18153 break; 18154 default: 18155 Slog.e(TAG, "Invalid new component state: " + newState); 18156 return; 18157 } 18158 } 18159 scheduleWritePackageRestrictionsLocked(userId); 18160 components = mPendingBroadcasts.get(userId, packageName); 18161 final boolean newPackage = components == null; 18162 if (newPackage) { 18163 components = new ArrayList<String>(); 18164 } 18165 if (!components.contains(componentName)) { 18166 components.add(componentName); 18167 } 18168 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 18169 sendNow = true; 18170 // Purge entry from pending broadcast list if another one exists already 18171 // since we are sending one right away. 18172 mPendingBroadcasts.remove(userId, packageName); 18173 } else { 18174 if (newPackage) { 18175 mPendingBroadcasts.put(userId, packageName, components); 18176 } 18177 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 18178 // Schedule a message 18179 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 18180 } 18181 } 18182 } 18183 18184 long callingId = Binder.clearCallingIdentity(); 18185 try { 18186 if (sendNow) { 18187 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 18188 sendPackageChangedBroadcast(packageName, 18189 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 18190 } 18191 } finally { 18192 Binder.restoreCallingIdentity(callingId); 18193 } 18194 } 18195 18196 @Override 18197 public void flushPackageRestrictionsAsUser(int userId) { 18198 if (!sUserManager.exists(userId)) { 18199 return; 18200 } 18201 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 18202 false /* checkShell */, "flushPackageRestrictions"); 18203 synchronized (mPackages) { 18204 mSettings.writePackageRestrictionsLPr(userId); 18205 mDirtyUsers.remove(userId); 18206 if (mDirtyUsers.isEmpty()) { 18207 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 18208 } 18209 } 18210 } 18211 18212 private void sendPackageChangedBroadcast(String packageName, 18213 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 18214 if (DEBUG_INSTALL) 18215 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 18216 + componentNames); 18217 Bundle extras = new Bundle(4); 18218 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 18219 String nameList[] = new String[componentNames.size()]; 18220 componentNames.toArray(nameList); 18221 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 18222 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 18223 extras.putInt(Intent.EXTRA_UID, packageUid); 18224 // If this is not reporting a change of the overall package, then only send it 18225 // to registered receivers. We don't want to launch a swath of apps for every 18226 // little component state change. 18227 final int flags = !componentNames.contains(packageName) 18228 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 18229 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 18230 new int[] {UserHandle.getUserId(packageUid)}); 18231 } 18232 18233 @Override 18234 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 18235 if (!sUserManager.exists(userId)) return; 18236 final int uid = Binder.getCallingUid(); 18237 final int permission = mContext.checkCallingOrSelfPermission( 18238 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18239 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18240 enforceCrossUserPermission(uid, userId, 18241 true /* requireFullPermission */, true /* checkShell */, "stop package"); 18242 // writer 18243 synchronized (mPackages) { 18244 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 18245 allowedByPermission, uid, userId)) { 18246 scheduleWritePackageRestrictionsLocked(userId); 18247 } 18248 } 18249 } 18250 18251 @Override 18252 public String getInstallerPackageName(String packageName) { 18253 // reader 18254 synchronized (mPackages) { 18255 return mSettings.getInstallerPackageNameLPr(packageName); 18256 } 18257 } 18258 18259 public boolean isOrphaned(String packageName) { 18260 // reader 18261 synchronized (mPackages) { 18262 return mSettings.isOrphaned(packageName); 18263 } 18264 } 18265 18266 @Override 18267 public int getApplicationEnabledSetting(String packageName, int userId) { 18268 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18269 int uid = Binder.getCallingUid(); 18270 enforceCrossUserPermission(uid, userId, 18271 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18272 // reader 18273 synchronized (mPackages) { 18274 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18275 } 18276 } 18277 18278 @Override 18279 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18280 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18281 int uid = Binder.getCallingUid(); 18282 enforceCrossUserPermission(uid, userId, 18283 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18284 // reader 18285 synchronized (mPackages) { 18286 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18287 } 18288 } 18289 18290 @Override 18291 public void enterSafeMode() { 18292 enforceSystemOrRoot("Only the system can request entering safe mode"); 18293 18294 if (!mSystemReady) { 18295 mSafeMode = true; 18296 } 18297 } 18298 18299 @Override 18300 public void systemReady() { 18301 mSystemReady = true; 18302 18303 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18304 // disabled after already being started. 18305 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18306 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18307 18308 // Read the compatibilty setting when the system is ready. 18309 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18310 mContext.getContentResolver(), 18311 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18312 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18313 if (DEBUG_SETTINGS) { 18314 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18315 } 18316 18317 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18318 18319 synchronized (mPackages) { 18320 // Verify that all of the preferred activity components actually 18321 // exist. It is possible for applications to be updated and at 18322 // that point remove a previously declared activity component that 18323 // had been set as a preferred activity. We try to clean this up 18324 // the next time we encounter that preferred activity, but it is 18325 // possible for the user flow to never be able to return to that 18326 // situation so here we do a sanity check to make sure we haven't 18327 // left any junk around. 18328 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18329 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18330 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18331 removed.clear(); 18332 for (PreferredActivity pa : pir.filterSet()) { 18333 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18334 removed.add(pa); 18335 } 18336 } 18337 if (removed.size() > 0) { 18338 for (int r=0; r<removed.size(); r++) { 18339 PreferredActivity pa = removed.get(r); 18340 Slog.w(TAG, "Removing dangling preferred activity: " 18341 + pa.mPref.mComponent); 18342 pir.removeFilter(pa); 18343 } 18344 mSettings.writePackageRestrictionsLPr( 18345 mSettings.mPreferredActivities.keyAt(i)); 18346 } 18347 } 18348 18349 for (int userId : UserManagerService.getInstance().getUserIds()) { 18350 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18351 grantPermissionsUserIds = ArrayUtils.appendInt( 18352 grantPermissionsUserIds, userId); 18353 } 18354 } 18355 } 18356 sUserManager.systemReady(); 18357 18358 // If we upgraded grant all default permissions before kicking off. 18359 for (int userId : grantPermissionsUserIds) { 18360 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18361 } 18362 18363 // If we did not grant default permissions, we preload from this the 18364 // default permission exceptions lazily to ensure we don't hit the 18365 // disk on a new user creation. 18366 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18367 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18368 } 18369 18370 // Kick off any messages waiting for system ready 18371 if (mPostSystemReadyMessages != null) { 18372 for (Message msg : mPostSystemReadyMessages) { 18373 msg.sendToTarget(); 18374 } 18375 mPostSystemReadyMessages = null; 18376 } 18377 18378 // Watch for external volumes that come and go over time 18379 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18380 storage.registerListener(mStorageListener); 18381 18382 mInstallerService.systemReady(); 18383 mPackageDexOptimizer.systemReady(); 18384 18385 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 18386 StorageManagerInternal.class); 18387 StorageManagerInternal.addExternalStoragePolicy( 18388 new StorageManagerInternal.ExternalStorageMountPolicy() { 18389 @Override 18390 public int getMountMode(int uid, String packageName) { 18391 if (Process.isIsolated(uid)) { 18392 return Zygote.MOUNT_EXTERNAL_NONE; 18393 } 18394 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18395 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18396 } 18397 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18398 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18399 } 18400 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18401 return Zygote.MOUNT_EXTERNAL_READ; 18402 } 18403 return Zygote.MOUNT_EXTERNAL_WRITE; 18404 } 18405 18406 @Override 18407 public boolean hasExternalStorage(int uid, String packageName) { 18408 return true; 18409 } 18410 }); 18411 18412 // Now that we're mostly running, clean up stale users and apps 18413 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18414 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18415 } 18416 18417 @Override 18418 public boolean isSafeMode() { 18419 return mSafeMode; 18420 } 18421 18422 @Override 18423 public boolean hasSystemUidErrors() { 18424 return mHasSystemUidErrors; 18425 } 18426 18427 static String arrayToString(int[] array) { 18428 StringBuffer buf = new StringBuffer(128); 18429 buf.append('['); 18430 if (array != null) { 18431 for (int i=0; i<array.length; i++) { 18432 if (i > 0) buf.append(", "); 18433 buf.append(array[i]); 18434 } 18435 } 18436 buf.append(']'); 18437 return buf.toString(); 18438 } 18439 18440 static class DumpState { 18441 public static final int DUMP_LIBS = 1 << 0; 18442 public static final int DUMP_FEATURES = 1 << 1; 18443 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18444 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18445 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18446 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18447 public static final int DUMP_PERMISSIONS = 1 << 6; 18448 public static final int DUMP_PACKAGES = 1 << 7; 18449 public static final int DUMP_SHARED_USERS = 1 << 8; 18450 public static final int DUMP_MESSAGES = 1 << 9; 18451 public static final int DUMP_PROVIDERS = 1 << 10; 18452 public static final int DUMP_VERIFIERS = 1 << 11; 18453 public static final int DUMP_PREFERRED = 1 << 12; 18454 public static final int DUMP_PREFERRED_XML = 1 << 13; 18455 public static final int DUMP_KEYSETS = 1 << 14; 18456 public static final int DUMP_VERSION = 1 << 15; 18457 public static final int DUMP_INSTALLS = 1 << 16; 18458 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18459 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18460 public static final int DUMP_FROZEN = 1 << 19; 18461 public static final int DUMP_DEXOPT = 1 << 20; 18462 public static final int DUMP_COMPILER_STATS = 1 << 21; 18463 18464 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18465 18466 private int mTypes; 18467 18468 private int mOptions; 18469 18470 private boolean mTitlePrinted; 18471 18472 private SharedUserSetting mSharedUser; 18473 18474 public boolean isDumping(int type) { 18475 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18476 return true; 18477 } 18478 18479 return (mTypes & type) != 0; 18480 } 18481 18482 public void setDump(int type) { 18483 mTypes |= type; 18484 } 18485 18486 public boolean isOptionEnabled(int option) { 18487 return (mOptions & option) != 0; 18488 } 18489 18490 public void setOptionEnabled(int option) { 18491 mOptions |= option; 18492 } 18493 18494 public boolean onTitlePrinted() { 18495 final boolean printed = mTitlePrinted; 18496 mTitlePrinted = true; 18497 return printed; 18498 } 18499 18500 public boolean getTitlePrinted() { 18501 return mTitlePrinted; 18502 } 18503 18504 public void setTitlePrinted(boolean enabled) { 18505 mTitlePrinted = enabled; 18506 } 18507 18508 public SharedUserSetting getSharedUser() { 18509 return mSharedUser; 18510 } 18511 18512 public void setSharedUser(SharedUserSetting user) { 18513 mSharedUser = user; 18514 } 18515 } 18516 18517 @Override 18518 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18519 FileDescriptor err, String[] args, ShellCallback callback, 18520 ResultReceiver resultReceiver) { 18521 (new PackageManagerShellCommand(this)).exec( 18522 this, in, out, err, args, callback, resultReceiver); 18523 } 18524 18525 @Override 18526 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18527 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18528 != PackageManager.PERMISSION_GRANTED) { 18529 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18530 + Binder.getCallingPid() 18531 + ", uid=" + Binder.getCallingUid() 18532 + " without permission " 18533 + android.Manifest.permission.DUMP); 18534 return; 18535 } 18536 18537 DumpState dumpState = new DumpState(); 18538 boolean fullPreferred = false; 18539 boolean checkin = false; 18540 18541 String packageName = null; 18542 ArraySet<String> permissionNames = null; 18543 18544 int opti = 0; 18545 while (opti < args.length) { 18546 String opt = args[opti]; 18547 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18548 break; 18549 } 18550 opti++; 18551 18552 if ("-a".equals(opt)) { 18553 // Right now we only know how to print all. 18554 } else if ("-h".equals(opt)) { 18555 pw.println("Package manager dump options:"); 18556 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18557 pw.println(" --checkin: dump for a checkin"); 18558 pw.println(" -f: print details of intent filters"); 18559 pw.println(" -h: print this help"); 18560 pw.println(" cmd may be one of:"); 18561 pw.println(" l[ibraries]: list known shared libraries"); 18562 pw.println(" f[eatures]: list device features"); 18563 pw.println(" k[eysets]: print known keysets"); 18564 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18565 pw.println(" perm[issions]: dump permissions"); 18566 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18567 pw.println(" pref[erred]: print preferred package settings"); 18568 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18569 pw.println(" prov[iders]: dump content providers"); 18570 pw.println(" p[ackages]: dump installed packages"); 18571 pw.println(" s[hared-users]: dump shared user IDs"); 18572 pw.println(" m[essages]: print collected runtime messages"); 18573 pw.println(" v[erifiers]: print package verifier info"); 18574 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18575 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18576 pw.println(" version: print database version info"); 18577 pw.println(" write: write current settings now"); 18578 pw.println(" installs: details about install sessions"); 18579 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18580 pw.println(" dexopt: dump dexopt state"); 18581 pw.println(" compiler-stats: dump compiler statistics"); 18582 pw.println(" <package.name>: info about given package"); 18583 return; 18584 } else if ("--checkin".equals(opt)) { 18585 checkin = true; 18586 } else if ("-f".equals(opt)) { 18587 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18588 } else { 18589 pw.println("Unknown argument: " + opt + "; use -h for help"); 18590 } 18591 } 18592 18593 // Is the caller requesting to dump a particular piece of data? 18594 if (opti < args.length) { 18595 String cmd = args[opti]; 18596 opti++; 18597 // Is this a package name? 18598 if ("android".equals(cmd) || cmd.contains(".")) { 18599 packageName = cmd; 18600 // When dumping a single package, we always dump all of its 18601 // filter information since the amount of data will be reasonable. 18602 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18603 } else if ("check-permission".equals(cmd)) { 18604 if (opti >= args.length) { 18605 pw.println("Error: check-permission missing permission argument"); 18606 return; 18607 } 18608 String perm = args[opti]; 18609 opti++; 18610 if (opti >= args.length) { 18611 pw.println("Error: check-permission missing package argument"); 18612 return; 18613 } 18614 String pkg = args[opti]; 18615 opti++; 18616 int user = UserHandle.getUserId(Binder.getCallingUid()); 18617 if (opti < args.length) { 18618 try { 18619 user = Integer.parseInt(args[opti]); 18620 } catch (NumberFormatException e) { 18621 pw.println("Error: check-permission user argument is not a number: " 18622 + args[opti]); 18623 return; 18624 } 18625 } 18626 pw.println(checkPermission(perm, pkg, user)); 18627 return; 18628 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18629 dumpState.setDump(DumpState.DUMP_LIBS); 18630 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18631 dumpState.setDump(DumpState.DUMP_FEATURES); 18632 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18633 if (opti >= args.length) { 18634 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18635 | DumpState.DUMP_SERVICE_RESOLVERS 18636 | DumpState.DUMP_RECEIVER_RESOLVERS 18637 | DumpState.DUMP_CONTENT_RESOLVERS); 18638 } else { 18639 while (opti < args.length) { 18640 String name = args[opti]; 18641 if ("a".equals(name) || "activity".equals(name)) { 18642 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18643 } else if ("s".equals(name) || "service".equals(name)) { 18644 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18645 } else if ("r".equals(name) || "receiver".equals(name)) { 18646 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18647 } else if ("c".equals(name) || "content".equals(name)) { 18648 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18649 } else { 18650 pw.println("Error: unknown resolver table type: " + name); 18651 return; 18652 } 18653 opti++; 18654 } 18655 } 18656 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18657 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18658 } else if ("permission".equals(cmd)) { 18659 if (opti >= args.length) { 18660 pw.println("Error: permission requires permission name"); 18661 return; 18662 } 18663 permissionNames = new ArraySet<>(); 18664 while (opti < args.length) { 18665 permissionNames.add(args[opti]); 18666 opti++; 18667 } 18668 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18669 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18670 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18671 dumpState.setDump(DumpState.DUMP_PREFERRED); 18672 } else if ("preferred-xml".equals(cmd)) { 18673 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18674 if (opti < args.length && "--full".equals(args[opti])) { 18675 fullPreferred = true; 18676 opti++; 18677 } 18678 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18679 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18680 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18681 dumpState.setDump(DumpState.DUMP_PACKAGES); 18682 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18683 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18684 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18685 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18686 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18687 dumpState.setDump(DumpState.DUMP_MESSAGES); 18688 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18689 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18690 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18691 || "intent-filter-verifiers".equals(cmd)) { 18692 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18693 } else if ("version".equals(cmd)) { 18694 dumpState.setDump(DumpState.DUMP_VERSION); 18695 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18696 dumpState.setDump(DumpState.DUMP_KEYSETS); 18697 } else if ("installs".equals(cmd)) { 18698 dumpState.setDump(DumpState.DUMP_INSTALLS); 18699 } else if ("frozen".equals(cmd)) { 18700 dumpState.setDump(DumpState.DUMP_FROZEN); 18701 } else if ("dexopt".equals(cmd)) { 18702 dumpState.setDump(DumpState.DUMP_DEXOPT); 18703 } else if ("compiler-stats".equals(cmd)) { 18704 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18705 } else if ("write".equals(cmd)) { 18706 synchronized (mPackages) { 18707 mSettings.writeLPr(); 18708 pw.println("Settings written."); 18709 return; 18710 } 18711 } 18712 } 18713 18714 if (checkin) { 18715 pw.println("vers,1"); 18716 } 18717 18718 // reader 18719 synchronized (mPackages) { 18720 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18721 if (!checkin) { 18722 if (dumpState.onTitlePrinted()) 18723 pw.println(); 18724 pw.println("Database versions:"); 18725 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18726 } 18727 } 18728 18729 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18730 if (!checkin) { 18731 if (dumpState.onTitlePrinted()) 18732 pw.println(); 18733 pw.println("Verifiers:"); 18734 pw.print(" Required: "); 18735 pw.print(mRequiredVerifierPackage); 18736 pw.print(" (uid="); 18737 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18738 UserHandle.USER_SYSTEM)); 18739 pw.println(")"); 18740 } else if (mRequiredVerifierPackage != null) { 18741 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18742 pw.print(","); 18743 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18744 UserHandle.USER_SYSTEM)); 18745 } 18746 } 18747 18748 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18749 packageName == null) { 18750 if (mIntentFilterVerifierComponent != null) { 18751 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18752 if (!checkin) { 18753 if (dumpState.onTitlePrinted()) 18754 pw.println(); 18755 pw.println("Intent Filter Verifier:"); 18756 pw.print(" Using: "); 18757 pw.print(verifierPackageName); 18758 pw.print(" (uid="); 18759 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18760 UserHandle.USER_SYSTEM)); 18761 pw.println(")"); 18762 } else if (verifierPackageName != null) { 18763 pw.print("ifv,"); pw.print(verifierPackageName); 18764 pw.print(","); 18765 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18766 UserHandle.USER_SYSTEM)); 18767 } 18768 } else { 18769 pw.println(); 18770 pw.println("No Intent Filter Verifier available!"); 18771 } 18772 } 18773 18774 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18775 boolean printedHeader = false; 18776 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18777 while (it.hasNext()) { 18778 String name = it.next(); 18779 SharedLibraryEntry ent = mSharedLibraries.get(name); 18780 if (!checkin) { 18781 if (!printedHeader) { 18782 if (dumpState.onTitlePrinted()) 18783 pw.println(); 18784 pw.println("Libraries:"); 18785 printedHeader = true; 18786 } 18787 pw.print(" "); 18788 } else { 18789 pw.print("lib,"); 18790 } 18791 pw.print(name); 18792 if (!checkin) { 18793 pw.print(" -> "); 18794 } 18795 if (ent.path != null) { 18796 if (!checkin) { 18797 pw.print("(jar) "); 18798 pw.print(ent.path); 18799 } else { 18800 pw.print(",jar,"); 18801 pw.print(ent.path); 18802 } 18803 } else { 18804 if (!checkin) { 18805 pw.print("(apk) "); 18806 pw.print(ent.apk); 18807 } else { 18808 pw.print(",apk,"); 18809 pw.print(ent.apk); 18810 } 18811 } 18812 pw.println(); 18813 } 18814 } 18815 18816 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18817 if (dumpState.onTitlePrinted()) 18818 pw.println(); 18819 if (!checkin) { 18820 pw.println("Features:"); 18821 } 18822 18823 for (FeatureInfo feat : mAvailableFeatures.values()) { 18824 if (checkin) { 18825 pw.print("feat,"); 18826 pw.print(feat.name); 18827 pw.print(","); 18828 pw.println(feat.version); 18829 } else { 18830 pw.print(" "); 18831 pw.print(feat.name); 18832 if (feat.version > 0) { 18833 pw.print(" version="); 18834 pw.print(feat.version); 18835 } 18836 pw.println(); 18837 } 18838 } 18839 } 18840 18841 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18842 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18843 : "Activity Resolver Table:", " ", packageName, 18844 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18845 dumpState.setTitlePrinted(true); 18846 } 18847 } 18848 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18849 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18850 : "Receiver Resolver Table:", " ", packageName, 18851 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18852 dumpState.setTitlePrinted(true); 18853 } 18854 } 18855 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18856 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18857 : "Service Resolver Table:", " ", packageName, 18858 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18859 dumpState.setTitlePrinted(true); 18860 } 18861 } 18862 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18863 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18864 : "Provider Resolver Table:", " ", packageName, 18865 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18866 dumpState.setTitlePrinted(true); 18867 } 18868 } 18869 18870 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18871 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18872 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18873 int user = mSettings.mPreferredActivities.keyAt(i); 18874 if (pir.dump(pw, 18875 dumpState.getTitlePrinted() 18876 ? "\nPreferred Activities User " + user + ":" 18877 : "Preferred Activities User " + user + ":", " ", 18878 packageName, true, false)) { 18879 dumpState.setTitlePrinted(true); 18880 } 18881 } 18882 } 18883 18884 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18885 pw.flush(); 18886 FileOutputStream fout = new FileOutputStream(fd); 18887 BufferedOutputStream str = new BufferedOutputStream(fout); 18888 XmlSerializer serializer = new FastXmlSerializer(); 18889 try { 18890 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18891 serializer.startDocument(null, true); 18892 serializer.setFeature( 18893 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18894 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18895 serializer.endDocument(); 18896 serializer.flush(); 18897 } catch (IllegalArgumentException e) { 18898 pw.println("Failed writing: " + e); 18899 } catch (IllegalStateException e) { 18900 pw.println("Failed writing: " + e); 18901 } catch (IOException e) { 18902 pw.println("Failed writing: " + e); 18903 } 18904 } 18905 18906 if (!checkin 18907 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18908 && packageName == null) { 18909 pw.println(); 18910 int count = mSettings.mPackages.size(); 18911 if (count == 0) { 18912 pw.println("No applications!"); 18913 pw.println(); 18914 } else { 18915 final String prefix = " "; 18916 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18917 if (allPackageSettings.size() == 0) { 18918 pw.println("No domain preferred apps!"); 18919 pw.println(); 18920 } else { 18921 pw.println("App verification status:"); 18922 pw.println(); 18923 count = 0; 18924 for (PackageSetting ps : allPackageSettings) { 18925 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18926 if (ivi == null || ivi.getPackageName() == null) continue; 18927 pw.println(prefix + "Package: " + ivi.getPackageName()); 18928 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18929 pw.println(prefix + "Status: " + ivi.getStatusString()); 18930 pw.println(); 18931 count++; 18932 } 18933 if (count == 0) { 18934 pw.println(prefix + "No app verification established."); 18935 pw.println(); 18936 } 18937 for (int userId : sUserManager.getUserIds()) { 18938 pw.println("App linkages for user " + userId + ":"); 18939 pw.println(); 18940 count = 0; 18941 for (PackageSetting ps : allPackageSettings) { 18942 final long status = ps.getDomainVerificationStatusForUser(userId); 18943 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18944 continue; 18945 } 18946 pw.println(prefix + "Package: " + ps.name); 18947 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18948 String statusStr = IntentFilterVerificationInfo. 18949 getStatusStringFromValue(status); 18950 pw.println(prefix + "Status: " + statusStr); 18951 pw.println(); 18952 count++; 18953 } 18954 if (count == 0) { 18955 pw.println(prefix + "No configured app linkages."); 18956 pw.println(); 18957 } 18958 } 18959 } 18960 } 18961 } 18962 18963 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18964 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18965 if (packageName == null && permissionNames == null) { 18966 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18967 if (iperm == 0) { 18968 if (dumpState.onTitlePrinted()) 18969 pw.println(); 18970 pw.println("AppOp Permissions:"); 18971 } 18972 pw.print(" AppOp Permission "); 18973 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18974 pw.println(":"); 18975 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18976 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18977 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18978 } 18979 } 18980 } 18981 } 18982 18983 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18984 boolean printedSomething = false; 18985 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18986 if (packageName != null && !packageName.equals(p.info.packageName)) { 18987 continue; 18988 } 18989 if (!printedSomething) { 18990 if (dumpState.onTitlePrinted()) 18991 pw.println(); 18992 pw.println("Registered ContentProviders:"); 18993 printedSomething = true; 18994 } 18995 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18996 pw.print(" "); pw.println(p.toString()); 18997 } 18998 printedSomething = false; 18999 for (Map.Entry<String, PackageParser.Provider> entry : 19000 mProvidersByAuthority.entrySet()) { 19001 PackageParser.Provider p = entry.getValue(); 19002 if (packageName != null && !packageName.equals(p.info.packageName)) { 19003 continue; 19004 } 19005 if (!printedSomething) { 19006 if (dumpState.onTitlePrinted()) 19007 pw.println(); 19008 pw.println("ContentProvider Authorities:"); 19009 printedSomething = true; 19010 } 19011 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 19012 pw.print(" "); pw.println(p.toString()); 19013 if (p.info != null && p.info.applicationInfo != null) { 19014 final String appInfo = p.info.applicationInfo.toString(); 19015 pw.print(" applicationInfo="); pw.println(appInfo); 19016 } 19017 } 19018 } 19019 19020 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 19021 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 19022 } 19023 19024 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 19025 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 19026 } 19027 19028 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 19029 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 19030 } 19031 19032 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 19033 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 19034 } 19035 19036 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 19037 // XXX should handle packageName != null by dumping only install data that 19038 // the given package is involved with. 19039 if (dumpState.onTitlePrinted()) pw.println(); 19040 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 19041 } 19042 19043 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 19044 // XXX should handle packageName != null by dumping only install data that 19045 // the given package is involved with. 19046 if (dumpState.onTitlePrinted()) pw.println(); 19047 19048 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19049 ipw.println(); 19050 ipw.println("Frozen packages:"); 19051 ipw.increaseIndent(); 19052 if (mFrozenPackages.size() == 0) { 19053 ipw.println("(none)"); 19054 } else { 19055 for (int i = 0; i < mFrozenPackages.size(); i++) { 19056 ipw.println(mFrozenPackages.valueAt(i)); 19057 } 19058 } 19059 ipw.decreaseIndent(); 19060 } 19061 19062 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 19063 if (dumpState.onTitlePrinted()) pw.println(); 19064 dumpDexoptStateLPr(pw, packageName); 19065 } 19066 19067 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 19068 if (dumpState.onTitlePrinted()) pw.println(); 19069 dumpCompilerStatsLPr(pw, packageName); 19070 } 19071 19072 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 19073 if (dumpState.onTitlePrinted()) pw.println(); 19074 mSettings.dumpReadMessagesLPr(pw, dumpState); 19075 19076 pw.println(); 19077 pw.println("Package warning messages:"); 19078 BufferedReader in = null; 19079 String line = null; 19080 try { 19081 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19082 while ((line = in.readLine()) != null) { 19083 if (line.contains("ignored: updated version")) continue; 19084 pw.println(line); 19085 } 19086 } catch (IOException ignored) { 19087 } finally { 19088 IoUtils.closeQuietly(in); 19089 } 19090 } 19091 19092 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 19093 BufferedReader in = null; 19094 String line = null; 19095 try { 19096 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19097 while ((line = in.readLine()) != null) { 19098 if (line.contains("ignored: updated version")) continue; 19099 pw.print("msg,"); 19100 pw.println(line); 19101 } 19102 } catch (IOException ignored) { 19103 } finally { 19104 IoUtils.closeQuietly(in); 19105 } 19106 } 19107 } 19108 } 19109 19110 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 19111 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19112 ipw.println(); 19113 ipw.println("Dexopt state:"); 19114 ipw.increaseIndent(); 19115 Collection<PackageParser.Package> packages = null; 19116 if (packageName != null) { 19117 PackageParser.Package targetPackage = mPackages.get(packageName); 19118 if (targetPackage != null) { 19119 packages = Collections.singletonList(targetPackage); 19120 } else { 19121 ipw.println("Unable to find package: " + packageName); 19122 return; 19123 } 19124 } else { 19125 packages = mPackages.values(); 19126 } 19127 19128 for (PackageParser.Package pkg : packages) { 19129 ipw.println("[" + pkg.packageName + "]"); 19130 ipw.increaseIndent(); 19131 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 19132 ipw.decreaseIndent(); 19133 } 19134 } 19135 19136 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 19137 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19138 ipw.println(); 19139 ipw.println("Compiler stats:"); 19140 ipw.increaseIndent(); 19141 Collection<PackageParser.Package> packages = null; 19142 if (packageName != null) { 19143 PackageParser.Package targetPackage = mPackages.get(packageName); 19144 if (targetPackage != null) { 19145 packages = Collections.singletonList(targetPackage); 19146 } else { 19147 ipw.println("Unable to find package: " + packageName); 19148 return; 19149 } 19150 } else { 19151 packages = mPackages.values(); 19152 } 19153 19154 for (PackageParser.Package pkg : packages) { 19155 ipw.println("[" + pkg.packageName + "]"); 19156 ipw.increaseIndent(); 19157 19158 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 19159 if (stats == null) { 19160 ipw.println("(No recorded stats)"); 19161 } else { 19162 stats.dump(ipw); 19163 } 19164 ipw.decreaseIndent(); 19165 } 19166 } 19167 19168 private String dumpDomainString(String packageName) { 19169 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 19170 .getList(); 19171 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 19172 19173 ArraySet<String> result = new ArraySet<>(); 19174 if (iviList.size() > 0) { 19175 for (IntentFilterVerificationInfo ivi : iviList) { 19176 for (String host : ivi.getDomains()) { 19177 result.add(host); 19178 } 19179 } 19180 } 19181 if (filters != null && filters.size() > 0) { 19182 for (IntentFilter filter : filters) { 19183 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 19184 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 19185 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 19186 result.addAll(filter.getHostsList()); 19187 } 19188 } 19189 } 19190 19191 StringBuilder sb = new StringBuilder(result.size() * 16); 19192 for (String domain : result) { 19193 if (sb.length() > 0) sb.append(" "); 19194 sb.append(domain); 19195 } 19196 return sb.toString(); 19197 } 19198 19199 // ------- apps on sdcard specific code ------- 19200 static final boolean DEBUG_SD_INSTALL = false; 19201 19202 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 19203 19204 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 19205 19206 private boolean mMediaMounted = false; 19207 19208 static String getEncryptKey() { 19209 try { 19210 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 19211 SD_ENCRYPTION_KEYSTORE_NAME); 19212 if (sdEncKey == null) { 19213 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 19214 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 19215 if (sdEncKey == null) { 19216 Slog.e(TAG, "Failed to create encryption keys"); 19217 return null; 19218 } 19219 } 19220 return sdEncKey; 19221 } catch (NoSuchAlgorithmException nsae) { 19222 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 19223 return null; 19224 } catch (IOException ioe) { 19225 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 19226 return null; 19227 } 19228 } 19229 19230 /* 19231 * Update media status on PackageManager. 19232 */ 19233 @Override 19234 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 19235 int callingUid = Binder.getCallingUid(); 19236 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 19237 throw new SecurityException("Media status can only be updated by the system"); 19238 } 19239 // reader; this apparently protects mMediaMounted, but should probably 19240 // be a different lock in that case. 19241 synchronized (mPackages) { 19242 Log.i(TAG, "Updating external media status from " 19243 + (mMediaMounted ? "mounted" : "unmounted") + " to " 19244 + (mediaStatus ? "mounted" : "unmounted")); 19245 if (DEBUG_SD_INSTALL) 19246 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 19247 + ", mMediaMounted=" + mMediaMounted); 19248 if (mediaStatus == mMediaMounted) { 19249 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 19250 : 0, -1); 19251 mHandler.sendMessage(msg); 19252 return; 19253 } 19254 mMediaMounted = mediaStatus; 19255 } 19256 // Queue up an async operation since the package installation may take a 19257 // little while. 19258 mHandler.post(new Runnable() { 19259 public void run() { 19260 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 19261 } 19262 }); 19263 } 19264 19265 /** 19266 * Called by StorageManagerService when the initial ASECs to scan are available. 19267 * Should block until all the ASEC containers are finished being scanned. 19268 */ 19269 public void scanAvailableAsecs() { 19270 updateExternalMediaStatusInner(true, false, false); 19271 } 19272 19273 /* 19274 * Collect information of applications on external media, map them against 19275 * existing containers and update information based on current mount status. 19276 * Please note that we always have to report status if reportStatus has been 19277 * set to true especially when unloading packages. 19278 */ 19279 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 19280 boolean externalStorage) { 19281 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 19282 int[] uidArr = EmptyArray.INT; 19283 19284 final String[] list = PackageHelper.getSecureContainerList(); 19285 if (ArrayUtils.isEmpty(list)) { 19286 Log.i(TAG, "No secure containers found"); 19287 } else { 19288 // Process list of secure containers and categorize them 19289 // as active or stale based on their package internal state. 19290 19291 // reader 19292 synchronized (mPackages) { 19293 for (String cid : list) { 19294 // Leave stages untouched for now; installer service owns them 19295 if (PackageInstallerService.isStageName(cid)) continue; 19296 19297 if (DEBUG_SD_INSTALL) 19298 Log.i(TAG, "Processing container " + cid); 19299 String pkgName = getAsecPackageName(cid); 19300 if (pkgName == null) { 19301 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19302 continue; 19303 } 19304 if (DEBUG_SD_INSTALL) 19305 Log.i(TAG, "Looking for pkg : " + pkgName); 19306 19307 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19308 if (ps == null) { 19309 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19310 continue; 19311 } 19312 19313 /* 19314 * Skip packages that are not external if we're unmounting 19315 * external storage. 19316 */ 19317 if (externalStorage && !isMounted && !isExternal(ps)) { 19318 continue; 19319 } 19320 19321 final AsecInstallArgs args = new AsecInstallArgs(cid, 19322 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19323 // The package status is changed only if the code path 19324 // matches between settings and the container id. 19325 if (ps.codePathString != null 19326 && ps.codePathString.startsWith(args.getCodePath())) { 19327 if (DEBUG_SD_INSTALL) { 19328 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19329 + " at code path: " + ps.codePathString); 19330 } 19331 19332 // We do have a valid package installed on sdcard 19333 processCids.put(args, ps.codePathString); 19334 final int uid = ps.appId; 19335 if (uid != -1) { 19336 uidArr = ArrayUtils.appendInt(uidArr, uid); 19337 } 19338 } else { 19339 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19340 + ps.codePathString); 19341 } 19342 } 19343 } 19344 19345 Arrays.sort(uidArr); 19346 } 19347 19348 // Process packages with valid entries. 19349 if (isMounted) { 19350 if (DEBUG_SD_INSTALL) 19351 Log.i(TAG, "Loading packages"); 19352 loadMediaPackages(processCids, uidArr, externalStorage); 19353 startCleaningPackages(); 19354 mInstallerService.onSecureContainersAvailable(); 19355 } else { 19356 if (DEBUG_SD_INSTALL) 19357 Log.i(TAG, "Unloading packages"); 19358 unloadMediaPackages(processCids, uidArr, reportStatus); 19359 } 19360 } 19361 19362 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19363 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19364 final int size = infos.size(); 19365 final String[] packageNames = new String[size]; 19366 final int[] packageUids = new int[size]; 19367 for (int i = 0; i < size; i++) { 19368 final ApplicationInfo info = infos.get(i); 19369 packageNames[i] = info.packageName; 19370 packageUids[i] = info.uid; 19371 } 19372 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19373 finishedReceiver); 19374 } 19375 19376 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19377 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19378 sendResourcesChangedBroadcast(mediaStatus, replacing, 19379 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19380 } 19381 19382 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19383 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19384 int size = pkgList.length; 19385 if (size > 0) { 19386 // Send broadcasts here 19387 Bundle extras = new Bundle(); 19388 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19389 if (uidArr != null) { 19390 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19391 } 19392 if (replacing) { 19393 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19394 } 19395 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19396 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19397 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19398 } 19399 } 19400 19401 /* 19402 * Look at potentially valid container ids from processCids If package 19403 * information doesn't match the one on record or package scanning fails, 19404 * the cid is added to list of removeCids. We currently don't delete stale 19405 * containers. 19406 */ 19407 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19408 boolean externalStorage) { 19409 ArrayList<String> pkgList = new ArrayList<String>(); 19410 Set<AsecInstallArgs> keys = processCids.keySet(); 19411 19412 for (AsecInstallArgs args : keys) { 19413 String codePath = processCids.get(args); 19414 if (DEBUG_SD_INSTALL) 19415 Log.i(TAG, "Loading container : " + args.cid); 19416 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19417 try { 19418 // Make sure there are no container errors first. 19419 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19420 Slog.e(TAG, "Failed to mount cid : " + args.cid 19421 + " when installing from sdcard"); 19422 continue; 19423 } 19424 // Check code path here. 19425 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19426 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19427 + " does not match one in settings " + codePath); 19428 continue; 19429 } 19430 // Parse package 19431 int parseFlags = mDefParseFlags; 19432 if (args.isExternalAsec()) { 19433 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19434 } 19435 if (args.isFwdLocked()) { 19436 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19437 } 19438 19439 synchronized (mInstallLock) { 19440 PackageParser.Package pkg = null; 19441 try { 19442 // Sadly we don't know the package name yet to freeze it 19443 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19444 SCAN_IGNORE_FROZEN, 0, null); 19445 } catch (PackageManagerException e) { 19446 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19447 } 19448 // Scan the package 19449 if (pkg != null) { 19450 /* 19451 * TODO why is the lock being held? doPostInstall is 19452 * called in other places without the lock. This needs 19453 * to be straightened out. 19454 */ 19455 // writer 19456 synchronized (mPackages) { 19457 retCode = PackageManager.INSTALL_SUCCEEDED; 19458 pkgList.add(pkg.packageName); 19459 // Post process args 19460 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19461 pkg.applicationInfo.uid); 19462 } 19463 } else { 19464 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19465 } 19466 } 19467 19468 } finally { 19469 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19470 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19471 } 19472 } 19473 } 19474 // writer 19475 synchronized (mPackages) { 19476 // If the platform SDK has changed since the last time we booted, 19477 // we need to re-grant app permission to catch any new ones that 19478 // appear. This is really a hack, and means that apps can in some 19479 // cases get permissions that the user didn't initially explicitly 19480 // allow... it would be nice to have some better way to handle 19481 // this situation. 19482 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19483 : mSettings.getInternalVersion(); 19484 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19485 : StorageManager.UUID_PRIVATE_INTERNAL; 19486 19487 int updateFlags = UPDATE_PERMISSIONS_ALL; 19488 if (ver.sdkVersion != mSdkVersion) { 19489 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19490 + mSdkVersion + "; regranting permissions for external"); 19491 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19492 } 19493 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19494 19495 // Yay, everything is now upgraded 19496 ver.forceCurrent(); 19497 19498 // can downgrade to reader 19499 // Persist settings 19500 mSettings.writeLPr(); 19501 } 19502 // Send a broadcast to let everyone know we are done processing 19503 if (pkgList.size() > 0) { 19504 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19505 } 19506 } 19507 19508 /* 19509 * Utility method to unload a list of specified containers 19510 */ 19511 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19512 // Just unmount all valid containers. 19513 for (AsecInstallArgs arg : cidArgs) { 19514 synchronized (mInstallLock) { 19515 arg.doPostDeleteLI(false); 19516 } 19517 } 19518 } 19519 19520 /* 19521 * Unload packages mounted on external media. This involves deleting package 19522 * data from internal structures, sending broadcasts about disabled packages, 19523 * gc'ing to free up references, unmounting all secure containers 19524 * corresponding to packages on external media, and posting a 19525 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19526 * that we always have to post this message if status has been requested no 19527 * matter what. 19528 */ 19529 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19530 final boolean reportStatus) { 19531 if (DEBUG_SD_INSTALL) 19532 Log.i(TAG, "unloading media packages"); 19533 ArrayList<String> pkgList = new ArrayList<String>(); 19534 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19535 final Set<AsecInstallArgs> keys = processCids.keySet(); 19536 for (AsecInstallArgs args : keys) { 19537 String pkgName = args.getPackageName(); 19538 if (DEBUG_SD_INSTALL) 19539 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19540 // Delete package internally 19541 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19542 synchronized (mInstallLock) { 19543 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19544 final boolean res; 19545 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19546 "unloadMediaPackages")) { 19547 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19548 null); 19549 } 19550 if (res) { 19551 pkgList.add(pkgName); 19552 } else { 19553 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19554 failedList.add(args); 19555 } 19556 } 19557 } 19558 19559 // reader 19560 synchronized (mPackages) { 19561 // We didn't update the settings after removing each package; 19562 // write them now for all packages. 19563 mSettings.writeLPr(); 19564 } 19565 19566 // We have to absolutely send UPDATED_MEDIA_STATUS only 19567 // after confirming that all the receivers processed the ordered 19568 // broadcast when packages get disabled, force a gc to clean things up. 19569 // and unload all the containers. 19570 if (pkgList.size() > 0) { 19571 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19572 new IIntentReceiver.Stub() { 19573 public void performReceive(Intent intent, int resultCode, String data, 19574 Bundle extras, boolean ordered, boolean sticky, 19575 int sendingUser) throws RemoteException { 19576 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19577 reportStatus ? 1 : 0, 1, keys); 19578 mHandler.sendMessage(msg); 19579 } 19580 }); 19581 } else { 19582 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19583 keys); 19584 mHandler.sendMessage(msg); 19585 } 19586 } 19587 19588 private void loadPrivatePackages(final VolumeInfo vol) { 19589 mHandler.post(new Runnable() { 19590 @Override 19591 public void run() { 19592 loadPrivatePackagesInner(vol); 19593 } 19594 }); 19595 } 19596 19597 private void loadPrivatePackagesInner(VolumeInfo vol) { 19598 final String volumeUuid = vol.fsUuid; 19599 if (TextUtils.isEmpty(volumeUuid)) { 19600 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19601 return; 19602 } 19603 19604 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19605 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19606 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19607 19608 final VersionInfo ver; 19609 final List<PackageSetting> packages; 19610 synchronized (mPackages) { 19611 ver = mSettings.findOrCreateVersion(volumeUuid); 19612 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19613 } 19614 19615 for (PackageSetting ps : packages) { 19616 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19617 synchronized (mInstallLock) { 19618 final PackageParser.Package pkg; 19619 try { 19620 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19621 loaded.add(pkg.applicationInfo); 19622 19623 } catch (PackageManagerException e) { 19624 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19625 } 19626 19627 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19628 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19629 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19630 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19631 } 19632 } 19633 } 19634 19635 // Reconcile app data for all started/unlocked users 19636 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19637 final UserManager um = mContext.getSystemService(UserManager.class); 19638 UserManagerInternal umInternal = getUserManagerInternal(); 19639 for (UserInfo user : um.getUsers()) { 19640 final int flags; 19641 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19642 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19643 } else if (umInternal.isUserRunning(user.id)) { 19644 flags = StorageManager.FLAG_STORAGE_DE; 19645 } else { 19646 continue; 19647 } 19648 19649 try { 19650 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19651 synchronized (mInstallLock) { 19652 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 19653 } 19654 } catch (IllegalStateException e) { 19655 // Device was probably ejected, and we'll process that event momentarily 19656 Slog.w(TAG, "Failed to prepare storage: " + e); 19657 } 19658 } 19659 19660 synchronized (mPackages) { 19661 int updateFlags = UPDATE_PERMISSIONS_ALL; 19662 if (ver.sdkVersion != mSdkVersion) { 19663 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19664 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19665 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19666 } 19667 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19668 19669 // Yay, everything is now upgraded 19670 ver.forceCurrent(); 19671 19672 mSettings.writeLPr(); 19673 } 19674 19675 for (PackageFreezer freezer : freezers) { 19676 freezer.close(); 19677 } 19678 19679 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19680 sendResourcesChangedBroadcast(true, false, loaded, null); 19681 } 19682 19683 private void unloadPrivatePackages(final VolumeInfo vol) { 19684 mHandler.post(new Runnable() { 19685 @Override 19686 public void run() { 19687 unloadPrivatePackagesInner(vol); 19688 } 19689 }); 19690 } 19691 19692 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19693 final String volumeUuid = vol.fsUuid; 19694 if (TextUtils.isEmpty(volumeUuid)) { 19695 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19696 return; 19697 } 19698 19699 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19700 synchronized (mInstallLock) { 19701 synchronized (mPackages) { 19702 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19703 for (PackageSetting ps : packages) { 19704 if (ps.pkg == null) continue; 19705 19706 final ApplicationInfo info = ps.pkg.applicationInfo; 19707 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19708 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19709 19710 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19711 "unloadPrivatePackagesInner")) { 19712 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19713 false, null)) { 19714 unloaded.add(info); 19715 } else { 19716 Slog.w(TAG, "Failed to unload " + ps.codePath); 19717 } 19718 } 19719 19720 // Try very hard to release any references to this package 19721 // so we don't risk the system server being killed due to 19722 // open FDs 19723 AttributeCache.instance().removePackage(ps.name); 19724 } 19725 19726 mSettings.writeLPr(); 19727 } 19728 } 19729 19730 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19731 sendResourcesChangedBroadcast(false, false, unloaded, null); 19732 19733 // Try very hard to release any references to this path so we don't risk 19734 // the system server being killed due to open FDs 19735 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19736 19737 for (int i = 0; i < 3; i++) { 19738 System.gc(); 19739 System.runFinalization(); 19740 } 19741 } 19742 19743 /** 19744 * Prepare storage areas for given user on all mounted devices. 19745 */ 19746 void prepareUserData(int userId, int userSerial, int flags) { 19747 synchronized (mInstallLock) { 19748 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19749 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19750 final String volumeUuid = vol.getFsUuid(); 19751 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19752 } 19753 } 19754 } 19755 19756 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19757 boolean allowRecover) { 19758 // Prepare storage and verify that serial numbers are consistent; if 19759 // there's a mismatch we need to destroy to avoid leaking data 19760 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19761 try { 19762 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19763 19764 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19765 UserManagerService.enforceSerialNumber( 19766 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19767 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19768 UserManagerService.enforceSerialNumber( 19769 Environment.getDataSystemDeDirectory(userId), userSerial); 19770 } 19771 } 19772 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19773 UserManagerService.enforceSerialNumber( 19774 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19775 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19776 UserManagerService.enforceSerialNumber( 19777 Environment.getDataSystemCeDirectory(userId), userSerial); 19778 } 19779 } 19780 19781 synchronized (mInstallLock) { 19782 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19783 } 19784 } catch (Exception e) { 19785 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19786 + " because we failed to prepare: " + e); 19787 destroyUserDataLI(volumeUuid, userId, 19788 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19789 19790 if (allowRecover) { 19791 // Try one last time; if we fail again we're really in trouble 19792 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19793 } 19794 } 19795 } 19796 19797 /** 19798 * Destroy storage areas for given user on all mounted devices. 19799 */ 19800 void destroyUserData(int userId, int flags) { 19801 synchronized (mInstallLock) { 19802 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19803 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19804 final String volumeUuid = vol.getFsUuid(); 19805 destroyUserDataLI(volumeUuid, userId, flags); 19806 } 19807 } 19808 } 19809 19810 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19811 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19812 try { 19813 // Clean up app data, profile data, and media data 19814 mInstaller.destroyUserData(volumeUuid, userId, flags); 19815 19816 // Clean up system data 19817 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19818 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19819 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19820 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19821 } 19822 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19823 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19824 } 19825 } 19826 19827 // Data with special labels is now gone, so finish the job 19828 storage.destroyUserStorage(volumeUuid, userId, flags); 19829 19830 } catch (Exception e) { 19831 logCriticalInfo(Log.WARN, 19832 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19833 } 19834 } 19835 19836 /** 19837 * Examine all users present on given mounted volume, and destroy data 19838 * belonging to users that are no longer valid, or whose user ID has been 19839 * recycled. 19840 */ 19841 private void reconcileUsers(String volumeUuid) { 19842 final List<File> files = new ArrayList<>(); 19843 Collections.addAll(files, FileUtils 19844 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19845 Collections.addAll(files, FileUtils 19846 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19847 Collections.addAll(files, FileUtils 19848 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19849 Collections.addAll(files, FileUtils 19850 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19851 for (File file : files) { 19852 if (!file.isDirectory()) continue; 19853 19854 final int userId; 19855 final UserInfo info; 19856 try { 19857 userId = Integer.parseInt(file.getName()); 19858 info = sUserManager.getUserInfo(userId); 19859 } catch (NumberFormatException e) { 19860 Slog.w(TAG, "Invalid user directory " + file); 19861 continue; 19862 } 19863 19864 boolean destroyUser = false; 19865 if (info == null) { 19866 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19867 + " because no matching user was found"); 19868 destroyUser = true; 19869 } else if (!mOnlyCore) { 19870 try { 19871 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19872 } catch (IOException e) { 19873 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19874 + " because we failed to enforce serial number: " + e); 19875 destroyUser = true; 19876 } 19877 } 19878 19879 if (destroyUser) { 19880 synchronized (mInstallLock) { 19881 destroyUserDataLI(volumeUuid, userId, 19882 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19883 } 19884 } 19885 } 19886 } 19887 19888 private void assertPackageKnown(String volumeUuid, String packageName) 19889 throws PackageManagerException { 19890 synchronized (mPackages) { 19891 final PackageSetting ps = mSettings.mPackages.get(packageName); 19892 if (ps == null) { 19893 throw new PackageManagerException("Package " + packageName + " is unknown"); 19894 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19895 throw new PackageManagerException( 19896 "Package " + packageName + " found on unknown volume " + volumeUuid 19897 + "; expected volume " + ps.volumeUuid); 19898 } 19899 } 19900 } 19901 19902 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19903 throws PackageManagerException { 19904 synchronized (mPackages) { 19905 final PackageSetting ps = mSettings.mPackages.get(packageName); 19906 if (ps == null) { 19907 throw new PackageManagerException("Package " + packageName + " is unknown"); 19908 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19909 throw new PackageManagerException( 19910 "Package " + packageName + " found on unknown volume " + volumeUuid 19911 + "; expected volume " + ps.volumeUuid); 19912 } else if (!ps.getInstalled(userId)) { 19913 throw new PackageManagerException( 19914 "Package " + packageName + " not installed for user " + userId); 19915 } 19916 } 19917 } 19918 19919 /** 19920 * Examine all apps present on given mounted volume, and destroy apps that 19921 * aren't expected, either due to uninstallation or reinstallation on 19922 * another volume. 19923 */ 19924 private void reconcileApps(String volumeUuid) { 19925 final File[] files = FileUtils 19926 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19927 for (File file : files) { 19928 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19929 && !PackageInstallerService.isStageName(file.getName()); 19930 if (!isPackage) { 19931 // Ignore entries which are not packages 19932 continue; 19933 } 19934 19935 try { 19936 final PackageLite pkg = PackageParser.parsePackageLite(file, 19937 PackageParser.PARSE_MUST_BE_APK); 19938 assertPackageKnown(volumeUuid, pkg.packageName); 19939 19940 } catch (PackageParserException | PackageManagerException e) { 19941 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19942 synchronized (mInstallLock) { 19943 removeCodePathLI(file); 19944 } 19945 } 19946 } 19947 } 19948 19949 /** 19950 * Reconcile all app data for the given user. 19951 * <p> 19952 * Verifies that directories exist and that ownership and labeling is 19953 * correct for all installed apps on all mounted volumes. 19954 */ 19955 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 19956 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19957 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19958 final String volumeUuid = vol.getFsUuid(); 19959 synchronized (mInstallLock) { 19960 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 19961 } 19962 } 19963 } 19964 19965 /** 19966 * Reconcile all app data on given mounted volume. 19967 * <p> 19968 * Destroys app data that isn't expected, either due to uninstallation or 19969 * reinstallation on another volume. 19970 * <p> 19971 * Verifies that directories exist and that ownership and labeling is 19972 * correct for all installed apps. 19973 */ 19974 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 19975 boolean migrateAppData) { 19976 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19977 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 19978 19979 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19980 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19981 19982 // First look for stale data that doesn't belong, and check if things 19983 // have changed since we did our last restorecon 19984 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19985 if (StorageManager.isFileEncryptedNativeOrEmulated() 19986 && !StorageManager.isUserKeyUnlocked(userId)) { 19987 throw new RuntimeException( 19988 "Yikes, someone asked us to reconcile CE storage while " + userId 19989 + " was still locked; this would have caused massive data loss!"); 19990 } 19991 19992 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19993 for (File file : files) { 19994 final String packageName = file.getName(); 19995 try { 19996 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19997 } catch (PackageManagerException e) { 19998 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19999 try { 20000 mInstaller.destroyAppData(volumeUuid, packageName, userId, 20001 StorageManager.FLAG_STORAGE_CE, 0); 20002 } catch (InstallerException e2) { 20003 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 20004 } 20005 } 20006 } 20007 } 20008 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 20009 final File[] files = FileUtils.listFilesOrEmpty(deDir); 20010 for (File file : files) { 20011 final String packageName = file.getName(); 20012 try { 20013 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 20014 } catch (PackageManagerException e) { 20015 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20016 try { 20017 mInstaller.destroyAppData(volumeUuid, packageName, userId, 20018 StorageManager.FLAG_STORAGE_DE, 0); 20019 } catch (InstallerException e2) { 20020 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 20021 } 20022 } 20023 } 20024 } 20025 20026 // Ensure that data directories are ready to roll for all packages 20027 // installed for this volume and user 20028 final List<PackageSetting> packages; 20029 synchronized (mPackages) { 20030 packages = mSettings.getVolumePackagesLPr(volumeUuid); 20031 } 20032 int preparedCount = 0; 20033 for (PackageSetting ps : packages) { 20034 final String packageName = ps.name; 20035 if (ps.pkg == null) { 20036 Slog.w(TAG, "Odd, missing scanned package " + packageName); 20037 // TODO: might be due to legacy ASEC apps; we should circle back 20038 // and reconcile again once they're scanned 20039 continue; 20040 } 20041 20042 if (ps.getInstalled(userId)) { 20043 prepareAppDataLIF(ps.pkg, userId, flags); 20044 20045 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 20046 // We may have just shuffled around app data directories, so 20047 // prepare them one more time 20048 prepareAppDataLIF(ps.pkg, userId, flags); 20049 } 20050 20051 preparedCount++; 20052 } 20053 } 20054 20055 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 20056 } 20057 20058 /** 20059 * Prepare app data for the given app just after it was installed or 20060 * upgraded. This method carefully only touches users that it's installed 20061 * for, and it forces a restorecon to handle any seinfo changes. 20062 * <p> 20063 * Verifies that directories exist and that ownership and labeling is 20064 * correct for all installed apps. If there is an ownership mismatch, it 20065 * will try recovering system apps by wiping data; third-party app data is 20066 * left intact. 20067 * <p> 20068 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 20069 */ 20070 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 20071 final PackageSetting ps; 20072 synchronized (mPackages) { 20073 ps = mSettings.mPackages.get(pkg.packageName); 20074 mSettings.writeKernelMappingLPr(ps); 20075 } 20076 20077 final UserManager um = mContext.getSystemService(UserManager.class); 20078 UserManagerInternal umInternal = getUserManagerInternal(); 20079 for (UserInfo user : um.getUsers()) { 20080 final int flags; 20081 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 20082 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 20083 } else if (umInternal.isUserRunning(user.id)) { 20084 flags = StorageManager.FLAG_STORAGE_DE; 20085 } else { 20086 continue; 20087 } 20088 20089 if (ps.getInstalled(user.id)) { 20090 // TODO: when user data is locked, mark that we're still dirty 20091 prepareAppDataLIF(pkg, user.id, flags); 20092 } 20093 } 20094 } 20095 20096 /** 20097 * Prepare app data for the given app. 20098 * <p> 20099 * Verifies that directories exist and that ownership and labeling is 20100 * correct for all installed apps. If there is an ownership mismatch, this 20101 * will try recovering system apps by wiping data; third-party app data is 20102 * left intact. 20103 */ 20104 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 20105 if (pkg == null) { 20106 Slog.wtf(TAG, "Package was null!", new Throwable()); 20107 return; 20108 } 20109 prepareAppDataLeafLIF(pkg, userId, flags); 20110 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20111 for (int i = 0; i < childCount; i++) { 20112 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 20113 } 20114 } 20115 20116 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20117 if (DEBUG_APP_DATA) { 20118 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 20119 + Integer.toHexString(flags)); 20120 } 20121 20122 final String volumeUuid = pkg.volumeUuid; 20123 final String packageName = pkg.packageName; 20124 final ApplicationInfo app = pkg.applicationInfo; 20125 final int appId = UserHandle.getAppId(app.uid); 20126 20127 Preconditions.checkNotNull(app.seinfo); 20128 20129 try { 20130 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20131 appId, app.seinfo, app.targetSdkVersion); 20132 } catch (InstallerException e) { 20133 if (app.isSystemApp()) { 20134 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 20135 + ", but trying to recover: " + e); 20136 destroyAppDataLeafLIF(pkg, userId, flags); 20137 try { 20138 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20139 appId, app.seinfo, app.targetSdkVersion); 20140 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 20141 } catch (InstallerException e2) { 20142 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 20143 } 20144 } else { 20145 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 20146 } 20147 } 20148 20149 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20150 try { 20151 // CE storage is unlocked right now, so read out the inode and 20152 // remember for use later when it's locked 20153 // TODO: mark this structure as dirty so we persist it! 20154 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 20155 StorageManager.FLAG_STORAGE_CE); 20156 synchronized (mPackages) { 20157 final PackageSetting ps = mSettings.mPackages.get(packageName); 20158 if (ps != null) { 20159 ps.setCeDataInode(ceDataInode, userId); 20160 } 20161 } 20162 } catch (InstallerException e) { 20163 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 20164 } 20165 } 20166 20167 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20168 } 20169 20170 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 20171 if (pkg == null) { 20172 Slog.wtf(TAG, "Package was null!", new Throwable()); 20173 return; 20174 } 20175 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20176 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20177 for (int i = 0; i < childCount; i++) { 20178 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 20179 } 20180 } 20181 20182 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20183 final String volumeUuid = pkg.volumeUuid; 20184 final String packageName = pkg.packageName; 20185 final ApplicationInfo app = pkg.applicationInfo; 20186 20187 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20188 // Create a native library symlink only if we have native libraries 20189 // and if the native libraries are 32 bit libraries. We do not provide 20190 // this symlink for 64 bit libraries. 20191 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 20192 final String nativeLibPath = app.nativeLibraryDir; 20193 try { 20194 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 20195 nativeLibPath, userId); 20196 } catch (InstallerException e) { 20197 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 20198 } 20199 } 20200 } 20201 } 20202 20203 /** 20204 * For system apps on non-FBE devices, this method migrates any existing 20205 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 20206 * requested by the app. 20207 */ 20208 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 20209 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 20210 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 20211 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 20212 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 20213 try { 20214 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 20215 storageTarget); 20216 } catch (InstallerException e) { 20217 logCriticalInfo(Log.WARN, 20218 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 20219 } 20220 return true; 20221 } else { 20222 return false; 20223 } 20224 } 20225 20226 public PackageFreezer freezePackage(String packageName, String killReason) { 20227 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 20228 } 20229 20230 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 20231 return new PackageFreezer(packageName, userId, killReason); 20232 } 20233 20234 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 20235 String killReason) { 20236 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 20237 } 20238 20239 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 20240 String killReason) { 20241 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 20242 return new PackageFreezer(); 20243 } else { 20244 return freezePackage(packageName, userId, killReason); 20245 } 20246 } 20247 20248 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 20249 String killReason) { 20250 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 20251 } 20252 20253 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 20254 String killReason) { 20255 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 20256 return new PackageFreezer(); 20257 } else { 20258 return freezePackage(packageName, userId, killReason); 20259 } 20260 } 20261 20262 /** 20263 * Class that freezes and kills the given package upon creation, and 20264 * unfreezes it upon closing. This is typically used when doing surgery on 20265 * app code/data to prevent the app from running while you're working. 20266 */ 20267 private class PackageFreezer implements AutoCloseable { 20268 private final String mPackageName; 20269 private final PackageFreezer[] mChildren; 20270 20271 private final boolean mWeFroze; 20272 20273 private final AtomicBoolean mClosed = new AtomicBoolean(); 20274 private final CloseGuard mCloseGuard = CloseGuard.get(); 20275 20276 /** 20277 * Create and return a stub freezer that doesn't actually do anything, 20278 * typically used when someone requested 20279 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20280 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20281 */ 20282 public PackageFreezer() { 20283 mPackageName = null; 20284 mChildren = null; 20285 mWeFroze = false; 20286 mCloseGuard.open("close"); 20287 } 20288 20289 public PackageFreezer(String packageName, int userId, String killReason) { 20290 synchronized (mPackages) { 20291 mPackageName = packageName; 20292 mWeFroze = mFrozenPackages.add(mPackageName); 20293 20294 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20295 if (ps != null) { 20296 killApplication(ps.name, ps.appId, userId, killReason); 20297 } 20298 20299 final PackageParser.Package p = mPackages.get(packageName); 20300 if (p != null && p.childPackages != null) { 20301 final int N = p.childPackages.size(); 20302 mChildren = new PackageFreezer[N]; 20303 for (int i = 0; i < N; i++) { 20304 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20305 userId, killReason); 20306 } 20307 } else { 20308 mChildren = null; 20309 } 20310 } 20311 mCloseGuard.open("close"); 20312 } 20313 20314 @Override 20315 protected void finalize() throws Throwable { 20316 try { 20317 mCloseGuard.warnIfOpen(); 20318 close(); 20319 } finally { 20320 super.finalize(); 20321 } 20322 } 20323 20324 @Override 20325 public void close() { 20326 mCloseGuard.close(); 20327 if (mClosed.compareAndSet(false, true)) { 20328 synchronized (mPackages) { 20329 if (mWeFroze) { 20330 mFrozenPackages.remove(mPackageName); 20331 } 20332 20333 if (mChildren != null) { 20334 for (PackageFreezer freezer : mChildren) { 20335 freezer.close(); 20336 } 20337 } 20338 } 20339 } 20340 } 20341 } 20342 20343 /** 20344 * Verify that given package is currently frozen. 20345 */ 20346 private void checkPackageFrozen(String packageName) { 20347 synchronized (mPackages) { 20348 if (!mFrozenPackages.contains(packageName)) { 20349 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20350 } 20351 } 20352 } 20353 20354 @Override 20355 public int movePackage(final String packageName, final String volumeUuid) { 20356 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20357 20358 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20359 final int moveId = mNextMoveId.getAndIncrement(); 20360 mHandler.post(new Runnable() { 20361 @Override 20362 public void run() { 20363 try { 20364 movePackageInternal(packageName, volumeUuid, moveId, user); 20365 } catch (PackageManagerException e) { 20366 Slog.w(TAG, "Failed to move " + packageName, e); 20367 mMoveCallbacks.notifyStatusChanged(moveId, 20368 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20369 } 20370 } 20371 }); 20372 return moveId; 20373 } 20374 20375 private void movePackageInternal(final String packageName, final String volumeUuid, 20376 final int moveId, UserHandle user) throws PackageManagerException { 20377 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20378 final PackageManager pm = mContext.getPackageManager(); 20379 20380 final boolean currentAsec; 20381 final String currentVolumeUuid; 20382 final File codeFile; 20383 final String installerPackageName; 20384 final String packageAbiOverride; 20385 final int appId; 20386 final String seinfo; 20387 final String label; 20388 final int targetSdkVersion; 20389 final PackageFreezer freezer; 20390 final int[] installedUserIds; 20391 20392 // reader 20393 synchronized (mPackages) { 20394 final PackageParser.Package pkg = mPackages.get(packageName); 20395 final PackageSetting ps = mSettings.mPackages.get(packageName); 20396 if (pkg == null || ps == null) { 20397 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20398 } 20399 20400 if (pkg.applicationInfo.isSystemApp()) { 20401 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20402 "Cannot move system application"); 20403 } 20404 20405 if (pkg.applicationInfo.isExternalAsec()) { 20406 currentAsec = true; 20407 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20408 } else if (pkg.applicationInfo.isForwardLocked()) { 20409 currentAsec = true; 20410 currentVolumeUuid = "forward_locked"; 20411 } else { 20412 currentAsec = false; 20413 currentVolumeUuid = ps.volumeUuid; 20414 20415 final File probe = new File(pkg.codePath); 20416 final File probeOat = new File(probe, "oat"); 20417 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20418 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20419 "Move only supported for modern cluster style installs"); 20420 } 20421 } 20422 20423 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20424 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20425 "Package already moved to " + volumeUuid); 20426 } 20427 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20428 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20429 "Device admin cannot be moved"); 20430 } 20431 20432 if (mFrozenPackages.contains(packageName)) { 20433 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20434 "Failed to move already frozen package"); 20435 } 20436 20437 codeFile = new File(pkg.codePath); 20438 installerPackageName = ps.installerPackageName; 20439 packageAbiOverride = ps.cpuAbiOverrideString; 20440 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20441 seinfo = pkg.applicationInfo.seinfo; 20442 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20443 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20444 freezer = freezePackage(packageName, "movePackageInternal"); 20445 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20446 } 20447 20448 final Bundle extras = new Bundle(); 20449 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20450 extras.putString(Intent.EXTRA_TITLE, label); 20451 mMoveCallbacks.notifyCreated(moveId, extras); 20452 20453 int installFlags; 20454 final boolean moveCompleteApp; 20455 final File measurePath; 20456 20457 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20458 installFlags = INSTALL_INTERNAL; 20459 moveCompleteApp = !currentAsec; 20460 measurePath = Environment.getDataAppDirectory(volumeUuid); 20461 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20462 installFlags = INSTALL_EXTERNAL; 20463 moveCompleteApp = false; 20464 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20465 } else { 20466 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20467 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20468 || !volume.isMountedWritable()) { 20469 freezer.close(); 20470 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20471 "Move location not mounted private volume"); 20472 } 20473 20474 Preconditions.checkState(!currentAsec); 20475 20476 installFlags = INSTALL_INTERNAL; 20477 moveCompleteApp = true; 20478 measurePath = Environment.getDataAppDirectory(volumeUuid); 20479 } 20480 20481 final PackageStats stats = new PackageStats(null, -1); 20482 synchronized (mInstaller) { 20483 for (int userId : installedUserIds) { 20484 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20485 freezer.close(); 20486 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20487 "Failed to measure package size"); 20488 } 20489 } 20490 } 20491 20492 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20493 + stats.dataSize); 20494 20495 final long startFreeBytes = measurePath.getFreeSpace(); 20496 final long sizeBytes; 20497 if (moveCompleteApp) { 20498 sizeBytes = stats.codeSize + stats.dataSize; 20499 } else { 20500 sizeBytes = stats.codeSize; 20501 } 20502 20503 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20504 freezer.close(); 20505 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20506 "Not enough free space to move"); 20507 } 20508 20509 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20510 20511 final CountDownLatch installedLatch = new CountDownLatch(1); 20512 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20513 @Override 20514 public void onUserActionRequired(Intent intent) throws RemoteException { 20515 throw new IllegalStateException(); 20516 } 20517 20518 @Override 20519 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20520 Bundle extras) throws RemoteException { 20521 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20522 + PackageManager.installStatusToString(returnCode, msg)); 20523 20524 installedLatch.countDown(); 20525 freezer.close(); 20526 20527 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20528 switch (status) { 20529 case PackageInstaller.STATUS_SUCCESS: 20530 mMoveCallbacks.notifyStatusChanged(moveId, 20531 PackageManager.MOVE_SUCCEEDED); 20532 break; 20533 case PackageInstaller.STATUS_FAILURE_STORAGE: 20534 mMoveCallbacks.notifyStatusChanged(moveId, 20535 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20536 break; 20537 default: 20538 mMoveCallbacks.notifyStatusChanged(moveId, 20539 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20540 break; 20541 } 20542 } 20543 }; 20544 20545 final MoveInfo move; 20546 if (moveCompleteApp) { 20547 // Kick off a thread to report progress estimates 20548 new Thread() { 20549 @Override 20550 public void run() { 20551 while (true) { 20552 try { 20553 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20554 break; 20555 } 20556 } catch (InterruptedException ignored) { 20557 } 20558 20559 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20560 final int progress = 10 + (int) MathUtils.constrain( 20561 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20562 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20563 } 20564 } 20565 }.start(); 20566 20567 final String dataAppName = codeFile.getName(); 20568 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20569 dataAppName, appId, seinfo, targetSdkVersion); 20570 } else { 20571 move = null; 20572 } 20573 20574 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20575 20576 final Message msg = mHandler.obtainMessage(INIT_COPY); 20577 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20578 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20579 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20580 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20581 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20582 msg.obj = params; 20583 20584 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20585 System.identityHashCode(msg.obj)); 20586 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20587 System.identityHashCode(msg.obj)); 20588 20589 mHandler.sendMessage(msg); 20590 } 20591 20592 @Override 20593 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20594 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20595 20596 final int realMoveId = mNextMoveId.getAndIncrement(); 20597 final Bundle extras = new Bundle(); 20598 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20599 mMoveCallbacks.notifyCreated(realMoveId, extras); 20600 20601 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20602 @Override 20603 public void onCreated(int moveId, Bundle extras) { 20604 // Ignored 20605 } 20606 20607 @Override 20608 public void onStatusChanged(int moveId, int status, long estMillis) { 20609 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20610 } 20611 }; 20612 20613 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20614 storage.setPrimaryStorageUuid(volumeUuid, callback); 20615 return realMoveId; 20616 } 20617 20618 @Override 20619 public int getMoveStatus(int moveId) { 20620 mContext.enforceCallingOrSelfPermission( 20621 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20622 return mMoveCallbacks.mLastStatus.get(moveId); 20623 } 20624 20625 @Override 20626 public void registerMoveCallback(IPackageMoveObserver callback) { 20627 mContext.enforceCallingOrSelfPermission( 20628 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20629 mMoveCallbacks.register(callback); 20630 } 20631 20632 @Override 20633 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20634 mContext.enforceCallingOrSelfPermission( 20635 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20636 mMoveCallbacks.unregister(callback); 20637 } 20638 20639 @Override 20640 public boolean setInstallLocation(int loc) { 20641 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20642 null); 20643 if (getInstallLocation() == loc) { 20644 return true; 20645 } 20646 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20647 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20648 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20649 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20650 return true; 20651 } 20652 return false; 20653 } 20654 20655 @Override 20656 public int getInstallLocation() { 20657 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20658 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20659 PackageHelper.APP_INSTALL_AUTO); 20660 } 20661 20662 /** Called by UserManagerService */ 20663 void cleanUpUser(UserManagerService userManager, int userHandle) { 20664 synchronized (mPackages) { 20665 mDirtyUsers.remove(userHandle); 20666 mUserNeedsBadging.delete(userHandle); 20667 mSettings.removeUserLPw(userHandle); 20668 mPendingBroadcasts.remove(userHandle); 20669 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20670 removeUnusedPackagesLPw(userManager, userHandle); 20671 } 20672 } 20673 20674 /** 20675 * We're removing userHandle and would like to remove any downloaded packages 20676 * that are no longer in use by any other user. 20677 * @param userHandle the user being removed 20678 */ 20679 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20680 final boolean DEBUG_CLEAN_APKS = false; 20681 int [] users = userManager.getUserIds(); 20682 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20683 while (psit.hasNext()) { 20684 PackageSetting ps = psit.next(); 20685 if (ps.pkg == null) { 20686 continue; 20687 } 20688 final String packageName = ps.pkg.packageName; 20689 // Skip over if system app 20690 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20691 continue; 20692 } 20693 if (DEBUG_CLEAN_APKS) { 20694 Slog.i(TAG, "Checking package " + packageName); 20695 } 20696 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20697 if (keep) { 20698 if (DEBUG_CLEAN_APKS) { 20699 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20700 } 20701 } else { 20702 for (int i = 0; i < users.length; i++) { 20703 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20704 keep = true; 20705 if (DEBUG_CLEAN_APKS) { 20706 Slog.i(TAG, " Keeping package " + packageName + " for user " 20707 + users[i]); 20708 } 20709 break; 20710 } 20711 } 20712 } 20713 if (!keep) { 20714 if (DEBUG_CLEAN_APKS) { 20715 Slog.i(TAG, " Removing package " + packageName); 20716 } 20717 mHandler.post(new Runnable() { 20718 public void run() { 20719 deletePackageX(packageName, userHandle, 0); 20720 } //end run 20721 }); 20722 } 20723 } 20724 } 20725 20726 /** Called by UserManagerService */ 20727 void createNewUser(int userId, String[] disallowedPackages) { 20728 synchronized (mInstallLock) { 20729 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 20730 } 20731 synchronized (mPackages) { 20732 scheduleWritePackageRestrictionsLocked(userId); 20733 scheduleWritePackageListLocked(userId); 20734 applyFactoryDefaultBrowserLPw(userId); 20735 primeDomainVerificationsLPw(userId); 20736 } 20737 } 20738 20739 void onNewUserCreated(final int userId) { 20740 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20741 // If permission review for legacy apps is required, we represent 20742 // dagerous permissions for such apps as always granted runtime 20743 // permissions to keep per user flag state whether review is needed. 20744 // Hence, if a new user is added we have to propagate dangerous 20745 // permission grants for these legacy apps. 20746 if (mPermissionReviewRequired) { 20747 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20748 | UPDATE_PERMISSIONS_REPLACE_ALL); 20749 } 20750 } 20751 20752 @Override 20753 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20754 mContext.enforceCallingOrSelfPermission( 20755 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20756 "Only package verification agents can read the verifier device identity"); 20757 20758 synchronized (mPackages) { 20759 return mSettings.getVerifierDeviceIdentityLPw(); 20760 } 20761 } 20762 20763 @Override 20764 public void setPermissionEnforced(String permission, boolean enforced) { 20765 // TODO: Now that we no longer change GID for storage, this should to away. 20766 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20767 "setPermissionEnforced"); 20768 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20769 synchronized (mPackages) { 20770 if (mSettings.mReadExternalStorageEnforced == null 20771 || mSettings.mReadExternalStorageEnforced != enforced) { 20772 mSettings.mReadExternalStorageEnforced = enforced; 20773 mSettings.writeLPr(); 20774 } 20775 } 20776 // kill any non-foreground processes so we restart them and 20777 // grant/revoke the GID. 20778 final IActivityManager am = ActivityManager.getService(); 20779 if (am != null) { 20780 final long token = Binder.clearCallingIdentity(); 20781 try { 20782 am.killProcessesBelowForeground("setPermissionEnforcement"); 20783 } catch (RemoteException e) { 20784 } finally { 20785 Binder.restoreCallingIdentity(token); 20786 } 20787 } 20788 } else { 20789 throw new IllegalArgumentException("No selective enforcement for " + permission); 20790 } 20791 } 20792 20793 @Override 20794 @Deprecated 20795 public boolean isPermissionEnforced(String permission) { 20796 return true; 20797 } 20798 20799 @Override 20800 public boolean isStorageLow() { 20801 final long token = Binder.clearCallingIdentity(); 20802 try { 20803 final DeviceStorageMonitorInternal 20804 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20805 if (dsm != null) { 20806 return dsm.isMemoryLow(); 20807 } else { 20808 return false; 20809 } 20810 } finally { 20811 Binder.restoreCallingIdentity(token); 20812 } 20813 } 20814 20815 @Override 20816 public IPackageInstaller getPackageInstaller() { 20817 return mInstallerService; 20818 } 20819 20820 private boolean userNeedsBadging(int userId) { 20821 int index = mUserNeedsBadging.indexOfKey(userId); 20822 if (index < 0) { 20823 final UserInfo userInfo; 20824 final long token = Binder.clearCallingIdentity(); 20825 try { 20826 userInfo = sUserManager.getUserInfo(userId); 20827 } finally { 20828 Binder.restoreCallingIdentity(token); 20829 } 20830 final boolean b; 20831 if (userInfo != null && userInfo.isManagedProfile()) { 20832 b = true; 20833 } else { 20834 b = false; 20835 } 20836 mUserNeedsBadging.put(userId, b); 20837 return b; 20838 } 20839 return mUserNeedsBadging.valueAt(index); 20840 } 20841 20842 @Override 20843 public KeySet getKeySetByAlias(String packageName, String alias) { 20844 if (packageName == null || alias == null) { 20845 return null; 20846 } 20847 synchronized(mPackages) { 20848 final PackageParser.Package pkg = mPackages.get(packageName); 20849 if (pkg == null) { 20850 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20851 throw new IllegalArgumentException("Unknown package: " + packageName); 20852 } 20853 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20854 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20855 } 20856 } 20857 20858 @Override 20859 public KeySet getSigningKeySet(String packageName) { 20860 if (packageName == null) { 20861 return null; 20862 } 20863 synchronized(mPackages) { 20864 final PackageParser.Package pkg = mPackages.get(packageName); 20865 if (pkg == null) { 20866 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20867 throw new IllegalArgumentException("Unknown package: " + packageName); 20868 } 20869 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20870 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20871 throw new SecurityException("May not access signing KeySet of other apps."); 20872 } 20873 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20874 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20875 } 20876 } 20877 20878 @Override 20879 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20880 if (packageName == null || ks == null) { 20881 return false; 20882 } 20883 synchronized(mPackages) { 20884 final PackageParser.Package pkg = mPackages.get(packageName); 20885 if (pkg == null) { 20886 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20887 throw new IllegalArgumentException("Unknown package: " + packageName); 20888 } 20889 IBinder ksh = ks.getToken(); 20890 if (ksh instanceof KeySetHandle) { 20891 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20892 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20893 } 20894 return false; 20895 } 20896 } 20897 20898 @Override 20899 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20900 if (packageName == null || ks == null) { 20901 return false; 20902 } 20903 synchronized(mPackages) { 20904 final PackageParser.Package pkg = mPackages.get(packageName); 20905 if (pkg == null) { 20906 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20907 throw new IllegalArgumentException("Unknown package: " + packageName); 20908 } 20909 IBinder ksh = ks.getToken(); 20910 if (ksh instanceof KeySetHandle) { 20911 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20912 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20913 } 20914 return false; 20915 } 20916 } 20917 20918 private void deletePackageIfUnusedLPr(final String packageName) { 20919 PackageSetting ps = mSettings.mPackages.get(packageName); 20920 if (ps == null) { 20921 return; 20922 } 20923 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20924 // TODO Implement atomic delete if package is unused 20925 // It is currently possible that the package will be deleted even if it is installed 20926 // after this method returns. 20927 mHandler.post(new Runnable() { 20928 public void run() { 20929 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20930 } 20931 }); 20932 } 20933 } 20934 20935 /** 20936 * Check and throw if the given before/after packages would be considered a 20937 * downgrade. 20938 */ 20939 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20940 throws PackageManagerException { 20941 if (after.versionCode < before.mVersionCode) { 20942 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20943 "Update version code " + after.versionCode + " is older than current " 20944 + before.mVersionCode); 20945 } else if (after.versionCode == before.mVersionCode) { 20946 if (after.baseRevisionCode < before.baseRevisionCode) { 20947 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20948 "Update base revision code " + after.baseRevisionCode 20949 + " is older than current " + before.baseRevisionCode); 20950 } 20951 20952 if (!ArrayUtils.isEmpty(after.splitNames)) { 20953 for (int i = 0; i < after.splitNames.length; i++) { 20954 final String splitName = after.splitNames[i]; 20955 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20956 if (j != -1) { 20957 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20958 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20959 "Update split " + splitName + " revision code " 20960 + after.splitRevisionCodes[i] + " is older than current " 20961 + before.splitRevisionCodes[j]); 20962 } 20963 } 20964 } 20965 } 20966 } 20967 } 20968 20969 private static class MoveCallbacks extends Handler { 20970 private static final int MSG_CREATED = 1; 20971 private static final int MSG_STATUS_CHANGED = 2; 20972 20973 private final RemoteCallbackList<IPackageMoveObserver> 20974 mCallbacks = new RemoteCallbackList<>(); 20975 20976 private final SparseIntArray mLastStatus = new SparseIntArray(); 20977 20978 public MoveCallbacks(Looper looper) { 20979 super(looper); 20980 } 20981 20982 public void register(IPackageMoveObserver callback) { 20983 mCallbacks.register(callback); 20984 } 20985 20986 public void unregister(IPackageMoveObserver callback) { 20987 mCallbacks.unregister(callback); 20988 } 20989 20990 @Override 20991 public void handleMessage(Message msg) { 20992 final SomeArgs args = (SomeArgs) msg.obj; 20993 final int n = mCallbacks.beginBroadcast(); 20994 for (int i = 0; i < n; i++) { 20995 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20996 try { 20997 invokeCallback(callback, msg.what, args); 20998 } catch (RemoteException ignored) { 20999 } 21000 } 21001 mCallbacks.finishBroadcast(); 21002 args.recycle(); 21003 } 21004 21005 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 21006 throws RemoteException { 21007 switch (what) { 21008 case MSG_CREATED: { 21009 callback.onCreated(args.argi1, (Bundle) args.arg2); 21010 break; 21011 } 21012 case MSG_STATUS_CHANGED: { 21013 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 21014 break; 21015 } 21016 } 21017 } 21018 21019 private void notifyCreated(int moveId, Bundle extras) { 21020 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 21021 21022 final SomeArgs args = SomeArgs.obtain(); 21023 args.argi1 = moveId; 21024 args.arg2 = extras; 21025 obtainMessage(MSG_CREATED, args).sendToTarget(); 21026 } 21027 21028 private void notifyStatusChanged(int moveId, int status) { 21029 notifyStatusChanged(moveId, status, -1); 21030 } 21031 21032 private void notifyStatusChanged(int moveId, int status, long estMillis) { 21033 Slog.v(TAG, "Move " + moveId + " status " + status); 21034 21035 final SomeArgs args = SomeArgs.obtain(); 21036 args.argi1 = moveId; 21037 args.argi2 = status; 21038 args.arg3 = estMillis; 21039 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 21040 21041 synchronized (mLastStatus) { 21042 mLastStatus.put(moveId, status); 21043 } 21044 } 21045 } 21046 21047 private final static class OnPermissionChangeListeners extends Handler { 21048 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 21049 21050 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 21051 new RemoteCallbackList<>(); 21052 21053 public OnPermissionChangeListeners(Looper looper) { 21054 super(looper); 21055 } 21056 21057 @Override 21058 public void handleMessage(Message msg) { 21059 switch (msg.what) { 21060 case MSG_ON_PERMISSIONS_CHANGED: { 21061 final int uid = msg.arg1; 21062 handleOnPermissionsChanged(uid); 21063 } break; 21064 } 21065 } 21066 21067 public void addListenerLocked(IOnPermissionsChangeListener listener) { 21068 mPermissionListeners.register(listener); 21069 21070 } 21071 21072 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 21073 mPermissionListeners.unregister(listener); 21074 } 21075 21076 public void onPermissionsChanged(int uid) { 21077 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 21078 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 21079 } 21080 } 21081 21082 private void handleOnPermissionsChanged(int uid) { 21083 final int count = mPermissionListeners.beginBroadcast(); 21084 try { 21085 for (int i = 0; i < count; i++) { 21086 IOnPermissionsChangeListener callback = mPermissionListeners 21087 .getBroadcastItem(i); 21088 try { 21089 callback.onPermissionsChanged(uid); 21090 } catch (RemoteException e) { 21091 Log.e(TAG, "Permission listener is dead", e); 21092 } 21093 } 21094 } finally { 21095 mPermissionListeners.finishBroadcast(); 21096 } 21097 } 21098 } 21099 21100 private class PackageManagerInternalImpl extends PackageManagerInternal { 21101 @Override 21102 public void setLocationPackagesProvider(PackagesProvider provider) { 21103 synchronized (mPackages) { 21104 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 21105 } 21106 } 21107 21108 @Override 21109 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 21110 synchronized (mPackages) { 21111 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 21112 } 21113 } 21114 21115 @Override 21116 public void setSmsAppPackagesProvider(PackagesProvider provider) { 21117 synchronized (mPackages) { 21118 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 21119 } 21120 } 21121 21122 @Override 21123 public void setDialerAppPackagesProvider(PackagesProvider provider) { 21124 synchronized (mPackages) { 21125 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 21126 } 21127 } 21128 21129 @Override 21130 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 21131 synchronized (mPackages) { 21132 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 21133 } 21134 } 21135 21136 @Override 21137 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 21138 synchronized (mPackages) { 21139 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 21140 } 21141 } 21142 21143 @Override 21144 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 21145 synchronized (mPackages) { 21146 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 21147 packageName, userId); 21148 } 21149 } 21150 21151 @Override 21152 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 21153 synchronized (mPackages) { 21154 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 21155 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 21156 packageName, userId); 21157 } 21158 } 21159 21160 @Override 21161 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 21162 synchronized (mPackages) { 21163 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 21164 packageName, userId); 21165 } 21166 } 21167 21168 @Override 21169 public void setKeepUninstalledPackages(final List<String> packageList) { 21170 Preconditions.checkNotNull(packageList); 21171 List<String> removedFromList = null; 21172 synchronized (mPackages) { 21173 if (mKeepUninstalledPackages != null) { 21174 final int packagesCount = mKeepUninstalledPackages.size(); 21175 for (int i = 0; i < packagesCount; i++) { 21176 String oldPackage = mKeepUninstalledPackages.get(i); 21177 if (packageList != null && packageList.contains(oldPackage)) { 21178 continue; 21179 } 21180 if (removedFromList == null) { 21181 removedFromList = new ArrayList<>(); 21182 } 21183 removedFromList.add(oldPackage); 21184 } 21185 } 21186 mKeepUninstalledPackages = new ArrayList<>(packageList); 21187 if (removedFromList != null) { 21188 final int removedCount = removedFromList.size(); 21189 for (int i = 0; i < removedCount; i++) { 21190 deletePackageIfUnusedLPr(removedFromList.get(i)); 21191 } 21192 } 21193 } 21194 } 21195 21196 @Override 21197 public boolean isPermissionsReviewRequired(String packageName, int userId) { 21198 synchronized (mPackages) { 21199 // If we do not support permission review, done. 21200 if (!mPermissionReviewRequired) { 21201 return false; 21202 } 21203 21204 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 21205 if (packageSetting == null) { 21206 return false; 21207 } 21208 21209 // Permission review applies only to apps not supporting the new permission model. 21210 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 21211 return false; 21212 } 21213 21214 // Legacy apps have the permission and get user consent on launch. 21215 PermissionsState permissionsState = packageSetting.getPermissionsState(); 21216 return permissionsState.isPermissionReviewRequired(userId); 21217 } 21218 } 21219 21220 @Override 21221 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 21222 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 21223 } 21224 21225 @Override 21226 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 21227 int userId) { 21228 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 21229 } 21230 21231 @Override 21232 public void setDeviceAndProfileOwnerPackages( 21233 int deviceOwnerUserId, String deviceOwnerPackage, 21234 SparseArray<String> profileOwnerPackages) { 21235 mProtectedPackages.setDeviceAndProfileOwnerPackages( 21236 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 21237 } 21238 21239 @Override 21240 public boolean isPackageDataProtected(int userId, String packageName) { 21241 return mProtectedPackages.isPackageDataProtected(userId, packageName); 21242 } 21243 21244 @Override 21245 public boolean isPackageEphemeral(int userId, String packageName) { 21246 synchronized (mPackages) { 21247 PackageParser.Package p = mPackages.get(packageName); 21248 return p != null ? p.applicationInfo.isEphemeralApp() : false; 21249 } 21250 } 21251 21252 @Override 21253 public boolean wasPackageEverLaunched(String packageName, int userId) { 21254 synchronized (mPackages) { 21255 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 21256 } 21257 } 21258 21259 @Override 21260 public void grantRuntimePermission(String packageName, String name, int userId, 21261 boolean overridePolicy) { 21262 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 21263 overridePolicy); 21264 } 21265 21266 @Override 21267 public void revokeRuntimePermission(String packageName, String name, int userId, 21268 boolean overridePolicy) { 21269 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 21270 overridePolicy); 21271 } 21272 21273 @Override 21274 public String getNameForUid(int uid) { 21275 return PackageManagerService.this.getNameForUid(uid); 21276 } 21277 21278 @Override 21279 public void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 21280 Intent origIntent, String resolvedType, Intent launchIntent, 21281 String callingPackage, int userId) { 21282 PackageManagerService.this.requestEphemeralResolutionPhaseTwo( 21283 responseObj, origIntent, resolvedType, launchIntent, callingPackage, userId); 21284 } 21285 } 21286 21287 @Override 21288 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 21289 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 21290 synchronized (mPackages) { 21291 final long identity = Binder.clearCallingIdentity(); 21292 try { 21293 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 21294 packageNames, userId); 21295 } finally { 21296 Binder.restoreCallingIdentity(identity); 21297 } 21298 } 21299 } 21300 21301 private static void enforceSystemOrPhoneCaller(String tag) { 21302 int callingUid = Binder.getCallingUid(); 21303 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 21304 throw new SecurityException( 21305 "Cannot call " + tag + " from UID " + callingUid); 21306 } 21307 } 21308 21309 boolean isHistoricalPackageUsageAvailable() { 21310 return mPackageUsage.isHistoricalPackageUsageAvailable(); 21311 } 21312 21313 /** 21314 * Return a <b>copy</b> of the collection of packages known to the package manager. 21315 * @return A copy of the values of mPackages. 21316 */ 21317 Collection<PackageParser.Package> getPackages() { 21318 synchronized (mPackages) { 21319 return new ArrayList<>(mPackages.values()); 21320 } 21321 } 21322 21323 /** 21324 * Logs process start information (including base APK hash) to the security log. 21325 * @hide 21326 */ 21327 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21328 String apkFile, int pid) { 21329 if (!SecurityLog.isLoggingEnabled()) { 21330 return; 21331 } 21332 Bundle data = new Bundle(); 21333 data.putLong("startTimestamp", System.currentTimeMillis()); 21334 data.putString("processName", processName); 21335 data.putInt("uid", uid); 21336 data.putString("seinfo", seinfo); 21337 data.putString("apkFile", apkFile); 21338 data.putInt("pid", pid); 21339 Message msg = mProcessLoggingHandler.obtainMessage( 21340 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21341 msg.setData(data); 21342 mProcessLoggingHandler.sendMessage(msg); 21343 } 21344 21345 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21346 return mCompilerStats.getPackageStats(pkgName); 21347 } 21348 21349 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21350 return getOrCreateCompilerPackageStats(pkg.packageName); 21351 } 21352 21353 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21354 return mCompilerStats.getOrCreatePackageStats(pkgName); 21355 } 21356 21357 public void deleteCompilerPackageStats(String pkgName) { 21358 mCompilerStats.deletePackageStats(pkgName); 21359 } 21360} 21361