PackageManagerService.java revision ff35e661724952664c48282de42d9063a7c7444a
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.ActivityManagerNative; 105import android.app.IActivityManager; 106import android.app.ResourcesManager; 107import android.app.admin.IDevicePolicyManager; 108import android.app.admin.SecurityLog; 109import android.app.backup.IBackupManager; 110import android.content.BroadcastReceiver; 111import android.content.ComponentName; 112import android.content.ContentResolver; 113import android.content.Context; 114import android.content.IIntentReceiver; 115import android.content.Intent; 116import android.content.IntentFilter; 117import android.content.IntentSender; 118import android.content.IntentSender.SendIntentException; 119import android.content.ServiceConnection; 120import android.content.pm.ActivityInfo; 121import android.content.pm.ApplicationInfo; 122import android.content.pm.AppsQueryHelper; 123import android.content.pm.ComponentInfo; 124import android.content.pm.EphemeralApplicationInfo; 125import android.content.pm.EphemeralResolveInfo; 126import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 127import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 128import android.content.pm.FeatureInfo; 129import android.content.pm.IOnPermissionsChangeListener; 130import android.content.pm.IPackageDataObserver; 131import android.content.pm.IPackageDeleteObserver; 132import android.content.pm.IPackageDeleteObserver2; 133import android.content.pm.IPackageInstallObserver2; 134import android.content.pm.IPackageInstaller; 135import android.content.pm.IPackageManager; 136import android.content.pm.IPackageMoveObserver; 137import android.content.pm.IPackageStatsObserver; 138import android.content.pm.InstrumentationInfo; 139import android.content.pm.IntentFilterVerificationInfo; 140import android.content.pm.KeySet; 141import android.content.pm.PackageCleanItem; 142import android.content.pm.PackageInfo; 143import android.content.pm.PackageInfoLite; 144import android.content.pm.PackageInstaller; 145import android.content.pm.PackageManager; 146import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 147import android.content.pm.PackageManagerInternal; 148import android.content.pm.PackageParser; 149import android.content.pm.PackageParser.ActivityIntentInfo; 150import android.content.pm.PackageParser.PackageLite; 151import android.content.pm.PackageParser.PackageParserException; 152import android.content.pm.PackageStats; 153import android.content.pm.PackageUserState; 154import android.content.pm.ParceledListSlice; 155import android.content.pm.PermissionGroupInfo; 156import android.content.pm.PermissionInfo; 157import android.content.pm.ProviderInfo; 158import android.content.pm.ResolveInfo; 159import android.content.pm.ServiceInfo; 160import android.content.pm.Signature; 161import android.content.pm.UserInfo; 162import android.content.pm.VerifierDeviceIdentity; 163import android.content.pm.VerifierInfo; 164import android.content.res.Resources; 165import android.graphics.Bitmap; 166import android.hardware.display.DisplayManager; 167import android.net.Uri; 168import android.os.Binder; 169import android.os.Build; 170import android.os.Bundle; 171import android.os.Debug; 172import android.os.Environment; 173import android.os.Environment.UserEnvironment; 174import android.os.FileUtils; 175import android.os.Handler; 176import android.os.IBinder; 177import android.os.Looper; 178import android.os.Message; 179import android.os.Parcel; 180import android.os.ParcelFileDescriptor; 181import android.os.PatternMatcher; 182import android.os.Process; 183import android.os.RemoteCallbackList; 184import android.os.RemoteException; 185import android.os.ResultReceiver; 186import android.os.SELinux; 187import android.os.ServiceManager; 188import android.os.ShellCallback; 189import android.os.SystemClock; 190import android.os.SystemProperties; 191import android.os.Trace; 192import android.os.UserHandle; 193import android.os.UserManager; 194import android.os.UserManagerInternal; 195import android.os.storage.IMountService; 196import android.os.storage.MountServiceInternal; 197import android.os.storage.StorageEventListener; 198import android.os.storage.StorageManager; 199import android.os.storage.VolumeInfo; 200import android.os.storage.VolumeRecord; 201import android.provider.Settings.Global; 202import android.provider.Settings.Secure; 203import android.security.KeyStore; 204import android.security.SystemKeyStore; 205import android.system.ErrnoException; 206import android.system.Os; 207import android.text.TextUtils; 208import android.text.format.DateUtils; 209import android.util.ArrayMap; 210import android.util.ArraySet; 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.SomeArgs; 237import com.android.internal.os.Zygote; 238import com.android.internal.telephony.CarrierAppUtils; 239import com.android.internal.util.ArrayUtils; 240import com.android.internal.util.FastPrintWriter; 241import com.android.internal.util.FastXmlSerializer; 242import com.android.internal.util.IndentingPrintWriter; 243import com.android.internal.util.Preconditions; 244import com.android.internal.util.XmlUtils; 245import com.android.server.AttributeCache; 246import com.android.server.EventLogTags; 247import com.android.server.FgThread; 248import com.android.server.IntentResolver; 249import com.android.server.LocalServices; 250import com.android.server.ServiceThread; 251import com.android.server.SystemConfig; 252import com.android.server.Watchdog; 253import com.android.server.net.NetworkPolicyManagerInternal; 254import com.android.server.pm.PermissionsState.PermissionState; 255import com.android.server.pm.Settings.DatabaseVersion; 256import com.android.server.pm.Settings.VersionInfo; 257import com.android.server.storage.DeviceStorageMonitorInternal; 258 259import dalvik.system.CloseGuard; 260import dalvik.system.DexFile; 261import dalvik.system.VMRuntime; 262 263import libcore.io.IoUtils; 264import libcore.util.EmptyArray; 265 266import org.xmlpull.v1.XmlPullParser; 267import org.xmlpull.v1.XmlPullParserException; 268import org.xmlpull.v1.XmlSerializer; 269 270import java.io.BufferedOutputStream; 271import java.io.BufferedReader; 272import java.io.ByteArrayInputStream; 273import java.io.ByteArrayOutputStream; 274import java.io.File; 275import java.io.FileDescriptor; 276import java.io.FileInputStream; 277import java.io.FileNotFoundException; 278import java.io.FileOutputStream; 279import java.io.FileReader; 280import java.io.FilenameFilter; 281import java.io.IOException; 282import java.io.PrintWriter; 283import java.nio.charset.StandardCharsets; 284import java.security.DigestInputStream; 285import java.security.MessageDigest; 286import java.security.NoSuchAlgorithmException; 287import java.security.PublicKey; 288import java.security.cert.Certificate; 289import java.security.cert.CertificateEncodingException; 290import java.security.cert.CertificateException; 291import java.text.SimpleDateFormat; 292import java.util.ArrayList; 293import java.util.Arrays; 294import java.util.Collection; 295import java.util.Collections; 296import java.util.Comparator; 297import java.util.Date; 298import java.util.HashSet; 299import java.util.Iterator; 300import java.util.List; 301import java.util.Map; 302import java.util.Objects; 303import java.util.Set; 304import java.util.concurrent.CountDownLatch; 305import java.util.concurrent.TimeUnit; 306import java.util.concurrent.atomic.AtomicBoolean; 307import java.util.concurrent.atomic.AtomicInteger; 308 309/** 310 * Keep track of all those APKs everywhere. 311 * <p> 312 * Internally there are two important locks: 313 * <ul> 314 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 315 * and other related state. It is a fine-grained lock that should only be held 316 * momentarily, as it's one of the most contended locks in the system. 317 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 318 * operations typically involve heavy lifting of application data on disk. Since 319 * {@code installd} is single-threaded, and it's operations can often be slow, 320 * this lock should never be acquired while already holding {@link #mPackages}. 321 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 322 * holding {@link #mInstallLock}. 323 * </ul> 324 * Many internal methods rely on the caller to hold the appropriate locks, and 325 * this contract is expressed through method name suffixes: 326 * <ul> 327 * <li>fooLI(): the caller must hold {@link #mInstallLock} 328 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 329 * being modified must be frozen 330 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 331 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 332 * </ul> 333 * <p> 334 * Because this class is very central to the platform's security; please run all 335 * CTS and unit tests whenever making modifications: 336 * 337 * <pre> 338 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 339 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 340 * </pre> 341 */ 342public class PackageManagerService extends IPackageManager.Stub { 343 static final String TAG = "PackageManager"; 344 static final boolean DEBUG_SETTINGS = false; 345 static final boolean DEBUG_PREFERRED = false; 346 static final boolean DEBUG_UPGRADE = false; 347 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 348 private static final boolean DEBUG_BACKUP = false; 349 private static final boolean DEBUG_INSTALL = false; 350 private static final boolean DEBUG_REMOVE = false; 351 private static final boolean DEBUG_BROADCASTS = false; 352 private static final boolean DEBUG_SHOW_INFO = false; 353 private static final boolean DEBUG_PACKAGE_INFO = false; 354 private static final boolean DEBUG_INTENT_MATCHING = false; 355 private static final boolean DEBUG_PACKAGE_SCANNING = false; 356 private static final boolean DEBUG_VERIFY = false; 357 private static final boolean DEBUG_FILTERS = false; 358 359 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 360 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 361 // user, but by default initialize to this. 362 static final boolean DEBUG_DEXOPT = false; 363 364 private static final boolean DEBUG_ABI_SELECTION = false; 365 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 366 private static final boolean DEBUG_TRIAGED_MISSING = false; 367 private static final boolean DEBUG_APP_DATA = false; 368 369 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 370 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 371 372 private static final boolean DISABLE_EPHEMERAL_APPS = false; 373 private static final boolean HIDE_EPHEMERAL_APIS = true; 374 375 private static final int RADIO_UID = Process.PHONE_UID; 376 private static final int LOG_UID = Process.LOG_UID; 377 private static final int NFC_UID = Process.NFC_UID; 378 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 379 private static final int SHELL_UID = Process.SHELL_UID; 380 381 // Cap the size of permission trees that 3rd party apps can define 382 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 383 384 // Suffix used during package installation when copying/moving 385 // package apks to install directory. 386 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 387 388 static final int SCAN_NO_DEX = 1<<1; 389 static final int SCAN_FORCE_DEX = 1<<2; 390 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 391 static final int SCAN_NEW_INSTALL = 1<<4; 392 static final int SCAN_NO_PATHS = 1<<5; 393 static final int SCAN_UPDATE_TIME = 1<<6; 394 static final int SCAN_DEFER_DEX = 1<<7; 395 static final int SCAN_BOOTING = 1<<8; 396 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 397 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 398 static final int SCAN_REPLACING = 1<<11; 399 static final int SCAN_REQUIRE_KNOWN = 1<<12; 400 static final int SCAN_MOVE = 1<<13; 401 static final int SCAN_INITIAL = 1<<14; 402 static final int SCAN_CHECK_ONLY = 1<<15; 403 static final int SCAN_DONT_KILL_APP = 1<<17; 404 static final int SCAN_IGNORE_FROZEN = 1<<18; 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_SKU_PROPERTY is set, search for runtime resource overlay APKs in 470 * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_SKU_PROPERTY> rather than in 471 * VENDOR_OVERLAY_DIR. 472 */ 473 private static final String VENDOR_OVERLAY_SKU_PROPERTY = "ro.boot.vendor.overlay.sku"; 474 475 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 476 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 477 478 /** Permission grant: not grant the permission. */ 479 private static final int GRANT_DENIED = 1; 480 481 /** Permission grant: grant the permission as an install permission. */ 482 private static final int GRANT_INSTALL = 2; 483 484 /** Permission grant: grant the permission as a runtime one. */ 485 private static final int GRANT_RUNTIME = 3; 486 487 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 488 private static final int GRANT_UPGRADE = 4; 489 490 /** Canonical intent used to identify what counts as a "web browser" app */ 491 private static final Intent sBrowserIntent; 492 static { 493 sBrowserIntent = new Intent(); 494 sBrowserIntent.setAction(Intent.ACTION_VIEW); 495 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 496 sBrowserIntent.setData(Uri.parse("http:")); 497 } 498 499 /** 500 * The set of all protected actions [i.e. those actions for which a high priority 501 * intent filter is disallowed]. 502 */ 503 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 504 static { 505 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 506 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 507 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 508 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 509 } 510 511 // Compilation reasons. 512 public static final int REASON_FIRST_BOOT = 0; 513 public static final int REASON_BOOT = 1; 514 public static final int REASON_INSTALL = 2; 515 public static final int REASON_BACKGROUND_DEXOPT = 3; 516 public static final int REASON_AB_OTA = 4; 517 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 518 public static final int REASON_SHARED_APK = 6; 519 public static final int REASON_FORCED_DEXOPT = 7; 520 public static final int REASON_CORE_APP = 8; 521 522 public static final int REASON_LAST = REASON_CORE_APP; 523 524 /** Special library name that skips shared libraries check during compilation. */ 525 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 526 527 final ServiceThread mHandlerThread; 528 529 final PackageHandler mHandler; 530 531 private final ProcessLoggingHandler mProcessLoggingHandler; 532 533 /** 534 * Messages for {@link #mHandler} that need to wait for system ready before 535 * being dispatched. 536 */ 537 private ArrayList<Message> mPostSystemReadyMessages; 538 539 final int mSdkVersion = Build.VERSION.SDK_INT; 540 541 final Context mContext; 542 final boolean mFactoryTest; 543 final boolean mOnlyCore; 544 final DisplayMetrics mMetrics; 545 final int mDefParseFlags; 546 final String[] mSeparateProcesses; 547 final boolean mIsUpgrade; 548 final boolean mIsPreNUpgrade; 549 final boolean mIsPreNMR1Upgrade; 550 551 @GuardedBy("mPackages") 552 private boolean mDexOptDialogShown; 553 554 /** The location for ASEC container files on internal storage. */ 555 final String mAsecInternalPath; 556 557 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 558 // LOCK HELD. Can be called with mInstallLock held. 559 @GuardedBy("mInstallLock") 560 final Installer mInstaller; 561 562 /** Directory where installed third-party apps stored */ 563 final File mAppInstallDir; 564 final File mEphemeralInstallDir; 565 566 /** 567 * Directory to which applications installed internally have their 568 * 32 bit native libraries copied. 569 */ 570 private File mAppLib32InstallDir; 571 572 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 573 // apps. 574 final File mDrmAppPrivateInstallDir; 575 576 // ---------------------------------------------------------------- 577 578 // Lock for state used when installing and doing other long running 579 // operations. Methods that must be called with this lock held have 580 // the suffix "LI". 581 final Object mInstallLock = new Object(); 582 583 // ---------------------------------------------------------------- 584 585 // Keys are String (package name), values are Package. This also serves 586 // as the lock for the global state. Methods that must be called with 587 // this lock held have the prefix "LP". 588 @GuardedBy("mPackages") 589 final ArrayMap<String, PackageParser.Package> mPackages = 590 new ArrayMap<String, PackageParser.Package>(); 591 592 final ArrayMap<String, Set<String>> mKnownCodebase = 593 new ArrayMap<String, Set<String>>(); 594 595 // Tracks available target package names -> overlay package paths. 596 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 597 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 598 599 /** 600 * Tracks new system packages [received in an OTA] that we expect to 601 * find updated user-installed versions. Keys are package name, values 602 * are package location. 603 */ 604 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 605 /** 606 * Tracks high priority intent filters for protected actions. During boot, certain 607 * filter actions are protected and should never be allowed to have a high priority 608 * intent filter for them. However, there is one, and only one exception -- the 609 * setup wizard. It must be able to define a high priority intent filter for these 610 * actions to ensure there are no escapes from the wizard. We need to delay processing 611 * of these during boot as we need to look at all of the system packages in order 612 * to know which component is the setup wizard. 613 */ 614 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 615 /** 616 * Whether or not processing protected filters should be deferred. 617 */ 618 private boolean mDeferProtectedFilters = true; 619 620 /** 621 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 622 */ 623 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 624 /** 625 * Whether or not system app permissions should be promoted from install to runtime. 626 */ 627 boolean mPromoteSystemApps; 628 629 @GuardedBy("mPackages") 630 final Settings mSettings; 631 632 /** 633 * Set of package names that are currently "frozen", which means active 634 * surgery is being done on the code/data for that package. The platform 635 * will refuse to launch frozen packages to avoid race conditions. 636 * 637 * @see PackageFreezer 638 */ 639 @GuardedBy("mPackages") 640 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 641 642 final ProtectedPackages mProtectedPackages; 643 644 boolean mFirstBoot; 645 646 // System configuration read by SystemConfig. 647 final int[] mGlobalGids; 648 final SparseArray<ArraySet<String>> mSystemPermissions; 649 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 650 651 // If mac_permissions.xml was found for seinfo labeling. 652 boolean mFoundPolicyFile; 653 654 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 655 656 public static final class SharedLibraryEntry { 657 public final String path; 658 public final String apk; 659 660 SharedLibraryEntry(String _path, String _apk) { 661 path = _path; 662 apk = _apk; 663 } 664 } 665 666 // Currently known shared libraries. 667 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 668 new ArrayMap<String, SharedLibraryEntry>(); 669 670 // All available activities, for your resolving pleasure. 671 final ActivityIntentResolver mActivities = 672 new ActivityIntentResolver(); 673 674 // All available receivers, for your resolving pleasure. 675 final ActivityIntentResolver mReceivers = 676 new ActivityIntentResolver(); 677 678 // All available services, for your resolving pleasure. 679 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 680 681 // All available providers, for your resolving pleasure. 682 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 683 684 // Mapping from provider base names (first directory in content URI codePath) 685 // to the provider information. 686 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 687 new ArrayMap<String, PackageParser.Provider>(); 688 689 // Mapping from instrumentation class names to info about them. 690 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 691 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 692 693 // Mapping from permission names to info about them. 694 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 695 new ArrayMap<String, PackageParser.PermissionGroup>(); 696 697 // Packages whose data we have transfered into another package, thus 698 // should no longer exist. 699 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 700 701 // Broadcast actions that are only available to the system. 702 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 703 704 /** List of packages waiting for verification. */ 705 final SparseArray<PackageVerificationState> mPendingVerification 706 = new SparseArray<PackageVerificationState>(); 707 708 /** Set of packages associated with each app op permission. */ 709 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 710 711 final PackageInstallerService mInstallerService; 712 713 private final PackageDexOptimizer mPackageDexOptimizer; 714 715 private AtomicInteger mNextMoveId = new AtomicInteger(); 716 private final MoveCallbacks mMoveCallbacks; 717 718 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 719 720 // Cache of users who need badging. 721 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 722 723 /** Token for keys in mPendingVerification. */ 724 private int mPendingVerificationToken = 0; 725 726 volatile boolean mSystemReady; 727 volatile boolean mSafeMode; 728 volatile boolean mHasSystemUidErrors; 729 730 ApplicationInfo mAndroidApplication; 731 final ActivityInfo mResolveActivity = new ActivityInfo(); 732 final ResolveInfo mResolveInfo = new ResolveInfo(); 733 ComponentName mResolveComponentName; 734 PackageParser.Package mPlatformPackage; 735 ComponentName mCustomResolverComponentName; 736 737 boolean mResolverReplaced = false; 738 739 private final @Nullable ComponentName mIntentFilterVerifierComponent; 740 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 741 742 private int mIntentFilterVerificationToken = 0; 743 744 /** Component that knows whether or not an ephemeral application exists */ 745 final ComponentName mEphemeralResolverComponent; 746 /** The service connection to the ephemeral resolver */ 747 final EphemeralResolverConnection mEphemeralResolverConnection; 748 749 /** Component used to install ephemeral applications */ 750 final ComponentName mEphemeralInstallerComponent; 751 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 752 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 753 754 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 755 = new SparseArray<IntentFilterVerificationState>(); 756 757 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 758 759 // List of packages names to keep cached, even if they are uninstalled for all users 760 private List<String> mKeepUninstalledPackages; 761 762 private UserManagerInternal mUserManagerInternal; 763 764 private static class IFVerificationParams { 765 PackageParser.Package pkg; 766 boolean replacing; 767 int userId; 768 int verifierUid; 769 770 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 771 int _userId, int _verifierUid) { 772 pkg = _pkg; 773 replacing = _replacing; 774 userId = _userId; 775 replacing = _replacing; 776 verifierUid = _verifierUid; 777 } 778 } 779 780 private interface IntentFilterVerifier<T extends IntentFilter> { 781 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 782 T filter, String packageName); 783 void startVerifications(int userId); 784 void receiveVerificationResponse(int verificationId); 785 } 786 787 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 788 private Context mContext; 789 private ComponentName mIntentFilterVerifierComponent; 790 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 791 792 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 793 mContext = context; 794 mIntentFilterVerifierComponent = verifierComponent; 795 } 796 797 private String getDefaultScheme() { 798 return IntentFilter.SCHEME_HTTPS; 799 } 800 801 @Override 802 public void startVerifications(int userId) { 803 // Launch verifications requests 804 int count = mCurrentIntentFilterVerifications.size(); 805 for (int n=0; n<count; n++) { 806 int verificationId = mCurrentIntentFilterVerifications.get(n); 807 final IntentFilterVerificationState ivs = 808 mIntentFilterVerificationStates.get(verificationId); 809 810 String packageName = ivs.getPackageName(); 811 812 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 813 final int filterCount = filters.size(); 814 ArraySet<String> domainsSet = new ArraySet<>(); 815 for (int m=0; m<filterCount; m++) { 816 PackageParser.ActivityIntentInfo filter = filters.get(m); 817 domainsSet.addAll(filter.getHostsList()); 818 } 819 synchronized (mPackages) { 820 if (mSettings.createIntentFilterVerificationIfNeededLPw( 821 packageName, domainsSet) != null) { 822 scheduleWriteSettingsLocked(); 823 } 824 } 825 sendVerificationRequest(userId, verificationId, ivs); 826 } 827 mCurrentIntentFilterVerifications.clear(); 828 } 829 830 private void sendVerificationRequest(int userId, int verificationId, 831 IntentFilterVerificationState ivs) { 832 833 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 834 verificationIntent.putExtra( 835 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 836 verificationId); 837 verificationIntent.putExtra( 838 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 839 getDefaultScheme()); 840 verificationIntent.putExtra( 841 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 842 ivs.getHostsString()); 843 verificationIntent.putExtra( 844 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 845 ivs.getPackageName()); 846 verificationIntent.setComponent(mIntentFilterVerifierComponent); 847 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 848 849 UserHandle user = new UserHandle(userId); 850 mContext.sendBroadcastAsUser(verificationIntent, user); 851 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 852 "Sending IntentFilter verification broadcast"); 853 } 854 855 public void receiveVerificationResponse(int verificationId) { 856 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 857 858 final boolean verified = ivs.isVerified(); 859 860 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 861 final int count = filters.size(); 862 if (DEBUG_DOMAIN_VERIFICATION) { 863 Slog.i(TAG, "Received verification response " + verificationId 864 + " for " + count + " filters, verified=" + verified); 865 } 866 for (int n=0; n<count; n++) { 867 PackageParser.ActivityIntentInfo filter = filters.get(n); 868 filter.setVerified(verified); 869 870 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 871 + " verified with result:" + verified + " and hosts:" 872 + ivs.getHostsString()); 873 } 874 875 mIntentFilterVerificationStates.remove(verificationId); 876 877 final String packageName = ivs.getPackageName(); 878 IntentFilterVerificationInfo ivi = null; 879 880 synchronized (mPackages) { 881 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 882 } 883 if (ivi == null) { 884 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 885 + verificationId + " packageName:" + packageName); 886 return; 887 } 888 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 889 "Updating IntentFilterVerificationInfo for package " + packageName 890 +" verificationId:" + verificationId); 891 892 synchronized (mPackages) { 893 if (verified) { 894 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 895 } else { 896 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 897 } 898 scheduleWriteSettingsLocked(); 899 900 final int userId = ivs.getUserId(); 901 if (userId != UserHandle.USER_ALL) { 902 final int userStatus = 903 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 904 905 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 906 boolean needUpdate = false; 907 908 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 909 // already been set by the User thru the Disambiguation dialog 910 switch (userStatus) { 911 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 912 if (verified) { 913 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 914 } else { 915 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 916 } 917 needUpdate = true; 918 break; 919 920 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 921 if (verified) { 922 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 923 needUpdate = true; 924 } 925 break; 926 927 default: 928 // Nothing to do 929 } 930 931 if (needUpdate) { 932 mSettings.updateIntentFilterVerificationStatusLPw( 933 packageName, updatedStatus, userId); 934 scheduleWritePackageRestrictionsLocked(userId); 935 } 936 } 937 } 938 } 939 940 @Override 941 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 942 ActivityIntentInfo filter, String packageName) { 943 if (!hasValidDomains(filter)) { 944 return false; 945 } 946 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 947 if (ivs == null) { 948 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 949 packageName); 950 } 951 if (DEBUG_DOMAIN_VERIFICATION) { 952 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 953 } 954 ivs.addFilter(filter); 955 return true; 956 } 957 958 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 959 int userId, int verificationId, String packageName) { 960 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 961 verifierUid, userId, packageName); 962 ivs.setPendingState(); 963 synchronized (mPackages) { 964 mIntentFilterVerificationStates.append(verificationId, ivs); 965 mCurrentIntentFilterVerifications.add(verificationId); 966 } 967 return ivs; 968 } 969 } 970 971 private static boolean hasValidDomains(ActivityIntentInfo filter) { 972 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 973 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 974 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 975 } 976 977 // Set of pending broadcasts for aggregating enable/disable of components. 978 static class PendingPackageBroadcasts { 979 // for each user id, a map of <package name -> components within that package> 980 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 981 982 public PendingPackageBroadcasts() { 983 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 984 } 985 986 public ArrayList<String> get(int userId, String packageName) { 987 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 988 return packages.get(packageName); 989 } 990 991 public void put(int userId, String packageName, ArrayList<String> components) { 992 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 993 packages.put(packageName, components); 994 } 995 996 public void remove(int userId, String packageName) { 997 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 998 if (packages != null) { 999 packages.remove(packageName); 1000 } 1001 } 1002 1003 public void remove(int userId) { 1004 mUidMap.remove(userId); 1005 } 1006 1007 public int userIdCount() { 1008 return mUidMap.size(); 1009 } 1010 1011 public int userIdAt(int n) { 1012 return mUidMap.keyAt(n); 1013 } 1014 1015 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1016 return mUidMap.get(userId); 1017 } 1018 1019 public int size() { 1020 // total number of pending broadcast entries across all userIds 1021 int num = 0; 1022 for (int i = 0; i< mUidMap.size(); i++) { 1023 num += mUidMap.valueAt(i).size(); 1024 } 1025 return num; 1026 } 1027 1028 public void clear() { 1029 mUidMap.clear(); 1030 } 1031 1032 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1033 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1034 if (map == null) { 1035 map = new ArrayMap<String, ArrayList<String>>(); 1036 mUidMap.put(userId, map); 1037 } 1038 return map; 1039 } 1040 } 1041 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1042 1043 // Service Connection to remote media container service to copy 1044 // package uri's from external media onto secure containers 1045 // or internal storage. 1046 private IMediaContainerService mContainerService = null; 1047 1048 static final int SEND_PENDING_BROADCAST = 1; 1049 static final int MCS_BOUND = 3; 1050 static final int END_COPY = 4; 1051 static final int INIT_COPY = 5; 1052 static final int MCS_UNBIND = 6; 1053 static final int START_CLEANING_PACKAGE = 7; 1054 static final int FIND_INSTALL_LOC = 8; 1055 static final int POST_INSTALL = 9; 1056 static final int MCS_RECONNECT = 10; 1057 static final int MCS_GIVE_UP = 11; 1058 static final int UPDATED_MEDIA_STATUS = 12; 1059 static final int WRITE_SETTINGS = 13; 1060 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1061 static final int PACKAGE_VERIFIED = 15; 1062 static final int CHECK_PENDING_VERIFICATION = 16; 1063 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1064 static final int INTENT_FILTER_VERIFIED = 18; 1065 static final int WRITE_PACKAGE_LIST = 19; 1066 1067 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1068 1069 // Delay time in millisecs 1070 static final int BROADCAST_DELAY = 10 * 1000; 1071 1072 static UserManagerService sUserManager; 1073 1074 // Stores a list of users whose package restrictions file needs to be updated 1075 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1076 1077 final private DefaultContainerConnection mDefContainerConn = 1078 new DefaultContainerConnection(); 1079 class DefaultContainerConnection implements ServiceConnection { 1080 public void onServiceConnected(ComponentName name, IBinder service) { 1081 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1082 IMediaContainerService imcs = 1083 IMediaContainerService.Stub.asInterface(service); 1084 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1085 } 1086 1087 public void onServiceDisconnected(ComponentName name) { 1088 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1089 } 1090 } 1091 1092 // Recordkeeping of restore-after-install operations that are currently in flight 1093 // between the Package Manager and the Backup Manager 1094 static class PostInstallData { 1095 public InstallArgs args; 1096 public PackageInstalledInfo res; 1097 1098 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1099 args = _a; 1100 res = _r; 1101 } 1102 } 1103 1104 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1105 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1106 1107 // XML tags for backup/restore of various bits of state 1108 private static final String TAG_PREFERRED_BACKUP = "pa"; 1109 private static final String TAG_DEFAULT_APPS = "da"; 1110 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1111 1112 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1113 private static final String TAG_ALL_GRANTS = "rt-grants"; 1114 private static final String TAG_GRANT = "grant"; 1115 private static final String ATTR_PACKAGE_NAME = "pkg"; 1116 1117 private static final String TAG_PERMISSION = "perm"; 1118 private static final String ATTR_PERMISSION_NAME = "name"; 1119 private static final String ATTR_IS_GRANTED = "g"; 1120 private static final String ATTR_USER_SET = "set"; 1121 private static final String ATTR_USER_FIXED = "fixed"; 1122 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1123 1124 // System/policy permission grants are not backed up 1125 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1126 FLAG_PERMISSION_POLICY_FIXED 1127 | FLAG_PERMISSION_SYSTEM_FIXED 1128 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1129 1130 // And we back up these user-adjusted states 1131 private static final int USER_RUNTIME_GRANT_MASK = 1132 FLAG_PERMISSION_USER_SET 1133 | FLAG_PERMISSION_USER_FIXED 1134 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1135 1136 final @Nullable String mRequiredVerifierPackage; 1137 final @NonNull String mRequiredInstallerPackage; 1138 final @NonNull String mRequiredUninstallerPackage; 1139 final @Nullable String mSetupWizardPackage; 1140 final @Nullable String mStorageManagerPackage; 1141 final @NonNull String mServicesSystemSharedLibraryPackageName; 1142 final @NonNull String mSharedSystemSharedLibraryPackageName; 1143 1144 final boolean mPermissionReviewRequired; 1145 1146 private final PackageUsage mPackageUsage = new PackageUsage(); 1147 private final CompilerStats mCompilerStats = new CompilerStats(); 1148 1149 class PackageHandler extends Handler { 1150 private boolean mBound = false; 1151 final ArrayList<HandlerParams> mPendingInstalls = 1152 new ArrayList<HandlerParams>(); 1153 1154 private boolean connectToService() { 1155 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1156 " DefaultContainerService"); 1157 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1158 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1159 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1160 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1161 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1162 mBound = true; 1163 return true; 1164 } 1165 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1166 return false; 1167 } 1168 1169 private void disconnectService() { 1170 mContainerService = null; 1171 mBound = false; 1172 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1173 mContext.unbindService(mDefContainerConn); 1174 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1175 } 1176 1177 PackageHandler(Looper looper) { 1178 super(looper); 1179 } 1180 1181 public void handleMessage(Message msg) { 1182 try { 1183 doHandleMessage(msg); 1184 } finally { 1185 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1186 } 1187 } 1188 1189 void doHandleMessage(Message msg) { 1190 switch (msg.what) { 1191 case INIT_COPY: { 1192 HandlerParams params = (HandlerParams) msg.obj; 1193 int idx = mPendingInstalls.size(); 1194 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1195 // If a bind was already initiated we dont really 1196 // need to do anything. The pending install 1197 // will be processed later on. 1198 if (!mBound) { 1199 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1200 System.identityHashCode(mHandler)); 1201 // If this is the only one pending we might 1202 // have to bind to the service again. 1203 if (!connectToService()) { 1204 Slog.e(TAG, "Failed to bind to media container service"); 1205 params.serviceError(); 1206 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1207 System.identityHashCode(mHandler)); 1208 if (params.traceMethod != null) { 1209 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1210 params.traceCookie); 1211 } 1212 return; 1213 } else { 1214 // Once we bind to the service, the first 1215 // pending request will be processed. 1216 mPendingInstalls.add(idx, params); 1217 } 1218 } else { 1219 mPendingInstalls.add(idx, params); 1220 // Already bound to the service. Just make 1221 // sure we trigger off processing the first request. 1222 if (idx == 0) { 1223 mHandler.sendEmptyMessage(MCS_BOUND); 1224 } 1225 } 1226 break; 1227 } 1228 case MCS_BOUND: { 1229 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1230 if (msg.obj != null) { 1231 mContainerService = (IMediaContainerService) msg.obj; 1232 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1233 System.identityHashCode(mHandler)); 1234 } 1235 if (mContainerService == null) { 1236 if (!mBound) { 1237 // Something seriously wrong since we are not bound and we are not 1238 // waiting for connection. Bail out. 1239 Slog.e(TAG, "Cannot bind to media container service"); 1240 for (HandlerParams params : mPendingInstalls) { 1241 // Indicate service bind error 1242 params.serviceError(); 1243 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1244 System.identityHashCode(params)); 1245 if (params.traceMethod != null) { 1246 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1247 params.traceMethod, params.traceCookie); 1248 } 1249 return; 1250 } 1251 mPendingInstalls.clear(); 1252 } else { 1253 Slog.w(TAG, "Waiting to connect to media container service"); 1254 } 1255 } else if (mPendingInstalls.size() > 0) { 1256 HandlerParams params = mPendingInstalls.get(0); 1257 if (params != null) { 1258 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1259 System.identityHashCode(params)); 1260 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1261 if (params.startCopy()) { 1262 // We are done... look for more work or to 1263 // go idle. 1264 if (DEBUG_SD_INSTALL) Log.i(TAG, 1265 "Checking for more work or unbind..."); 1266 // Delete pending install 1267 if (mPendingInstalls.size() > 0) { 1268 mPendingInstalls.remove(0); 1269 } 1270 if (mPendingInstalls.size() == 0) { 1271 if (mBound) { 1272 if (DEBUG_SD_INSTALL) Log.i(TAG, 1273 "Posting delayed MCS_UNBIND"); 1274 removeMessages(MCS_UNBIND); 1275 Message ubmsg = obtainMessage(MCS_UNBIND); 1276 // Unbind after a little delay, to avoid 1277 // continual thrashing. 1278 sendMessageDelayed(ubmsg, 10000); 1279 } 1280 } else { 1281 // There are more pending requests in queue. 1282 // Just post MCS_BOUND message to trigger processing 1283 // of next pending install. 1284 if (DEBUG_SD_INSTALL) Log.i(TAG, 1285 "Posting MCS_BOUND for next work"); 1286 mHandler.sendEmptyMessage(MCS_BOUND); 1287 } 1288 } 1289 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1290 } 1291 } else { 1292 // Should never happen ideally. 1293 Slog.w(TAG, "Empty queue"); 1294 } 1295 break; 1296 } 1297 case MCS_RECONNECT: { 1298 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1299 if (mPendingInstalls.size() > 0) { 1300 if (mBound) { 1301 disconnectService(); 1302 } 1303 if (!connectToService()) { 1304 Slog.e(TAG, "Failed to bind to media container service"); 1305 for (HandlerParams params : mPendingInstalls) { 1306 // Indicate service bind error 1307 params.serviceError(); 1308 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1309 System.identityHashCode(params)); 1310 } 1311 mPendingInstalls.clear(); 1312 } 1313 } 1314 break; 1315 } 1316 case MCS_UNBIND: { 1317 // If there is no actual work left, then time to unbind. 1318 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1319 1320 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1321 if (mBound) { 1322 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1323 1324 disconnectService(); 1325 } 1326 } else if (mPendingInstalls.size() > 0) { 1327 // There are more pending requests in queue. 1328 // Just post MCS_BOUND message to trigger processing 1329 // of next pending install. 1330 mHandler.sendEmptyMessage(MCS_BOUND); 1331 } 1332 1333 break; 1334 } 1335 case MCS_GIVE_UP: { 1336 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1337 HandlerParams params = mPendingInstalls.remove(0); 1338 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1339 System.identityHashCode(params)); 1340 break; 1341 } 1342 case SEND_PENDING_BROADCAST: { 1343 String packages[]; 1344 ArrayList<String> components[]; 1345 int size = 0; 1346 int uids[]; 1347 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1348 synchronized (mPackages) { 1349 if (mPendingBroadcasts == null) { 1350 return; 1351 } 1352 size = mPendingBroadcasts.size(); 1353 if (size <= 0) { 1354 // Nothing to be done. Just return 1355 return; 1356 } 1357 packages = new String[size]; 1358 components = new ArrayList[size]; 1359 uids = new int[size]; 1360 int i = 0; // filling out the above arrays 1361 1362 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1363 int packageUserId = mPendingBroadcasts.userIdAt(n); 1364 Iterator<Map.Entry<String, ArrayList<String>>> it 1365 = mPendingBroadcasts.packagesForUserId(packageUserId) 1366 .entrySet().iterator(); 1367 while (it.hasNext() && i < size) { 1368 Map.Entry<String, ArrayList<String>> ent = it.next(); 1369 packages[i] = ent.getKey(); 1370 components[i] = ent.getValue(); 1371 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1372 uids[i] = (ps != null) 1373 ? UserHandle.getUid(packageUserId, ps.appId) 1374 : -1; 1375 i++; 1376 } 1377 } 1378 size = i; 1379 mPendingBroadcasts.clear(); 1380 } 1381 // Send broadcasts 1382 for (int i = 0; i < size; i++) { 1383 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1384 } 1385 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1386 break; 1387 } 1388 case START_CLEANING_PACKAGE: { 1389 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1390 final String packageName = (String)msg.obj; 1391 final int userId = msg.arg1; 1392 final boolean andCode = msg.arg2 != 0; 1393 synchronized (mPackages) { 1394 if (userId == UserHandle.USER_ALL) { 1395 int[] users = sUserManager.getUserIds(); 1396 for (int user : users) { 1397 mSettings.addPackageToCleanLPw( 1398 new PackageCleanItem(user, packageName, andCode)); 1399 } 1400 } else { 1401 mSettings.addPackageToCleanLPw( 1402 new PackageCleanItem(userId, packageName, andCode)); 1403 } 1404 } 1405 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1406 startCleaningPackages(); 1407 } break; 1408 case POST_INSTALL: { 1409 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1410 1411 PostInstallData data = mRunningInstalls.get(msg.arg1); 1412 final boolean didRestore = (msg.arg2 != 0); 1413 mRunningInstalls.delete(msg.arg1); 1414 1415 if (data != null) { 1416 InstallArgs args = data.args; 1417 PackageInstalledInfo parentRes = data.res; 1418 1419 final boolean grantPermissions = (args.installFlags 1420 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1421 final boolean killApp = (args.installFlags 1422 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1423 final String[] grantedPermissions = args.installGrantPermissions; 1424 1425 // Handle the parent package 1426 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1427 grantedPermissions, didRestore, args.installerPackageName, 1428 args.observer); 1429 1430 // Handle the child packages 1431 final int childCount = (parentRes.addedChildPackages != null) 1432 ? parentRes.addedChildPackages.size() : 0; 1433 for (int i = 0; i < childCount; i++) { 1434 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1435 handlePackagePostInstall(childRes, grantPermissions, killApp, 1436 grantedPermissions, false, args.installerPackageName, 1437 args.observer); 1438 } 1439 1440 // Log tracing if needed 1441 if (args.traceMethod != null) { 1442 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1443 args.traceCookie); 1444 } 1445 } else { 1446 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1447 } 1448 1449 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1450 } break; 1451 case UPDATED_MEDIA_STATUS: { 1452 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1453 boolean reportStatus = msg.arg1 == 1; 1454 boolean doGc = msg.arg2 == 1; 1455 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1456 if (doGc) { 1457 // Force a gc to clear up stale containers. 1458 Runtime.getRuntime().gc(); 1459 } 1460 if (msg.obj != null) { 1461 @SuppressWarnings("unchecked") 1462 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1463 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1464 // Unload containers 1465 unloadAllContainers(args); 1466 } 1467 if (reportStatus) { 1468 try { 1469 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1470 PackageHelper.getMountService().finishMediaUpdate(); 1471 } catch (RemoteException e) { 1472 Log.e(TAG, "MountService not running?"); 1473 } 1474 } 1475 } break; 1476 case WRITE_SETTINGS: { 1477 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1478 synchronized (mPackages) { 1479 removeMessages(WRITE_SETTINGS); 1480 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1481 mSettings.writeLPr(); 1482 mDirtyUsers.clear(); 1483 } 1484 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1485 } break; 1486 case WRITE_PACKAGE_RESTRICTIONS: { 1487 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1488 synchronized (mPackages) { 1489 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1490 for (int userId : mDirtyUsers) { 1491 mSettings.writePackageRestrictionsLPr(userId); 1492 } 1493 mDirtyUsers.clear(); 1494 } 1495 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1496 } break; 1497 case WRITE_PACKAGE_LIST: { 1498 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1499 synchronized (mPackages) { 1500 removeMessages(WRITE_PACKAGE_LIST); 1501 mSettings.writePackageListLPr(msg.arg1); 1502 } 1503 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1504 } break; 1505 case CHECK_PENDING_VERIFICATION: { 1506 final int verificationId = msg.arg1; 1507 final PackageVerificationState state = mPendingVerification.get(verificationId); 1508 1509 if ((state != null) && !state.timeoutExtended()) { 1510 final InstallArgs args = state.getInstallArgs(); 1511 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1512 1513 Slog.i(TAG, "Verification timed out for " + originUri); 1514 mPendingVerification.remove(verificationId); 1515 1516 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1517 1518 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1519 Slog.i(TAG, "Continuing with installation of " + originUri); 1520 state.setVerifierResponse(Binder.getCallingUid(), 1521 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1522 broadcastPackageVerified(verificationId, originUri, 1523 PackageManager.VERIFICATION_ALLOW, 1524 state.getInstallArgs().getUser()); 1525 try { 1526 ret = args.copyApk(mContainerService, true); 1527 } catch (RemoteException e) { 1528 Slog.e(TAG, "Could not contact the ContainerService"); 1529 } 1530 } else { 1531 broadcastPackageVerified(verificationId, originUri, 1532 PackageManager.VERIFICATION_REJECT, 1533 state.getInstallArgs().getUser()); 1534 } 1535 1536 Trace.asyncTraceEnd( 1537 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1538 1539 processPendingInstall(args, ret); 1540 mHandler.sendEmptyMessage(MCS_UNBIND); 1541 } 1542 break; 1543 } 1544 case PACKAGE_VERIFIED: { 1545 final int verificationId = msg.arg1; 1546 1547 final PackageVerificationState state = mPendingVerification.get(verificationId); 1548 if (state == null) { 1549 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1550 break; 1551 } 1552 1553 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1554 1555 state.setVerifierResponse(response.callerUid, response.code); 1556 1557 if (state.isVerificationComplete()) { 1558 mPendingVerification.remove(verificationId); 1559 1560 final InstallArgs args = state.getInstallArgs(); 1561 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1562 1563 int ret; 1564 if (state.isInstallAllowed()) { 1565 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1566 broadcastPackageVerified(verificationId, originUri, 1567 response.code, state.getInstallArgs().getUser()); 1568 try { 1569 ret = args.copyApk(mContainerService, true); 1570 } catch (RemoteException e) { 1571 Slog.e(TAG, "Could not contact the ContainerService"); 1572 } 1573 } else { 1574 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1575 } 1576 1577 Trace.asyncTraceEnd( 1578 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1579 1580 processPendingInstall(args, ret); 1581 mHandler.sendEmptyMessage(MCS_UNBIND); 1582 } 1583 1584 break; 1585 } 1586 case START_INTENT_FILTER_VERIFICATIONS: { 1587 IFVerificationParams params = (IFVerificationParams) msg.obj; 1588 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1589 params.replacing, params.pkg); 1590 break; 1591 } 1592 case INTENT_FILTER_VERIFIED: { 1593 final int verificationId = msg.arg1; 1594 1595 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1596 verificationId); 1597 if (state == null) { 1598 Slog.w(TAG, "Invalid IntentFilter verification token " 1599 + verificationId + " received"); 1600 break; 1601 } 1602 1603 final int userId = state.getUserId(); 1604 1605 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1606 "Processing IntentFilter verification with token:" 1607 + verificationId + " and userId:" + userId); 1608 1609 final IntentFilterVerificationResponse response = 1610 (IntentFilterVerificationResponse) msg.obj; 1611 1612 state.setVerifierResponse(response.callerUid, response.code); 1613 1614 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1615 "IntentFilter verification with token:" + verificationId 1616 + " and userId:" + userId 1617 + " is settings verifier response with response code:" 1618 + response.code); 1619 1620 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1621 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1622 + response.getFailedDomainsString()); 1623 } 1624 1625 if (state.isVerificationComplete()) { 1626 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1627 } else { 1628 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1629 "IntentFilter verification with token:" + verificationId 1630 + " was not said to be complete"); 1631 } 1632 1633 break; 1634 } 1635 } 1636 } 1637 } 1638 1639 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1640 boolean killApp, String[] grantedPermissions, 1641 boolean launchedForRestore, String installerPackage, 1642 IPackageInstallObserver2 installObserver) { 1643 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1644 // Send the removed broadcasts 1645 if (res.removedInfo != null) { 1646 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1647 } 1648 1649 // Now that we successfully installed the package, grant runtime 1650 // permissions if requested before broadcasting the install. 1651 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1652 >= Build.VERSION_CODES.M) { 1653 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1654 } 1655 1656 final boolean update = res.removedInfo != null 1657 && res.removedInfo.removedPackage != null; 1658 1659 // If this is the first time we have child packages for a disabled privileged 1660 // app that had no children, we grant requested runtime permissions to the new 1661 // children if the parent on the system image had them already granted. 1662 if (res.pkg.parentPackage != null) { 1663 synchronized (mPackages) { 1664 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1665 } 1666 } 1667 1668 synchronized (mPackages) { 1669 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1670 } 1671 1672 final String packageName = res.pkg.applicationInfo.packageName; 1673 Bundle extras = new Bundle(1); 1674 extras.putInt(Intent.EXTRA_UID, res.uid); 1675 1676 // Determine the set of users who are adding this package for 1677 // the first time vs. those who are seeing an update. 1678 int[] firstUsers = EMPTY_INT_ARRAY; 1679 int[] updateUsers = EMPTY_INT_ARRAY; 1680 if (res.origUsers == null || res.origUsers.length == 0) { 1681 firstUsers = res.newUsers; 1682 } else { 1683 for (int newUser : res.newUsers) { 1684 boolean isNew = true; 1685 for (int origUser : res.origUsers) { 1686 if (origUser == newUser) { 1687 isNew = false; 1688 break; 1689 } 1690 } 1691 if (isNew) { 1692 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1693 } else { 1694 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1695 } 1696 } 1697 } 1698 1699 // Send installed broadcasts if the install/update is not ephemeral 1700 if (!isEphemeral(res.pkg)) { 1701 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1702 1703 // Send added for users that see the package for the first time 1704 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1705 extras, 0 /*flags*/, null /*targetPackage*/, 1706 null /*finishedReceiver*/, firstUsers); 1707 1708 // Send added for users that don't see the package for the first time 1709 if (update) { 1710 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1711 } 1712 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1713 extras, 0 /*flags*/, null /*targetPackage*/, 1714 null /*finishedReceiver*/, updateUsers); 1715 1716 // Send replaced for users that don't see the package for the first time 1717 if (update) { 1718 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1719 packageName, extras, 0 /*flags*/, 1720 null /*targetPackage*/, null /*finishedReceiver*/, 1721 updateUsers); 1722 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1723 null /*package*/, null /*extras*/, 0 /*flags*/, 1724 packageName /*targetPackage*/, 1725 null /*finishedReceiver*/, updateUsers); 1726 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1727 // First-install and we did a restore, so we're responsible for the 1728 // first-launch broadcast. 1729 if (DEBUG_BACKUP) { 1730 Slog.i(TAG, "Post-restore of " + packageName 1731 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1732 } 1733 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1734 } 1735 1736 // Send broadcast package appeared if forward locked/external for all users 1737 // treat asec-hosted packages like removable media on upgrade 1738 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1739 if (DEBUG_INSTALL) { 1740 Slog.i(TAG, "upgrading pkg " + res.pkg 1741 + " is ASEC-hosted -> AVAILABLE"); 1742 } 1743 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1744 ArrayList<String> pkgList = new ArrayList<>(1); 1745 pkgList.add(packageName); 1746 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1747 } 1748 } 1749 1750 // Work that needs to happen on first install within each user 1751 if (firstUsers != null && firstUsers.length > 0) { 1752 synchronized (mPackages) { 1753 for (int userId : firstUsers) { 1754 // If this app is a browser and it's newly-installed for some 1755 // users, clear any default-browser state in those users. The 1756 // app's nature doesn't depend on the user, so we can just check 1757 // its browser nature in any user and generalize. 1758 if (packageIsBrowser(packageName, userId)) { 1759 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1760 } 1761 1762 // We may also need to apply pending (restored) runtime 1763 // permission grants within these users. 1764 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1765 } 1766 } 1767 } 1768 1769 // Log current value of "unknown sources" setting 1770 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1771 getUnknownSourcesSettings()); 1772 1773 // Force a gc to clear up things 1774 Runtime.getRuntime().gc(); 1775 1776 // Remove the replaced package's older resources safely now 1777 // We delete after a gc for applications on sdcard. 1778 if (res.removedInfo != null && res.removedInfo.args != null) { 1779 synchronized (mInstallLock) { 1780 res.removedInfo.args.doPostDeleteLI(true); 1781 } 1782 } 1783 } 1784 1785 // If someone is watching installs - notify them 1786 if (installObserver != null) { 1787 try { 1788 Bundle extras = extrasForInstallResult(res); 1789 installObserver.onPackageInstalled(res.name, res.returnCode, 1790 res.returnMsg, extras); 1791 } catch (RemoteException e) { 1792 Slog.i(TAG, "Observer no longer exists."); 1793 } 1794 } 1795 } 1796 1797 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1798 PackageParser.Package pkg) { 1799 if (pkg.parentPackage == null) { 1800 return; 1801 } 1802 if (pkg.requestedPermissions == null) { 1803 return; 1804 } 1805 final PackageSetting disabledSysParentPs = mSettings 1806 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1807 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1808 || !disabledSysParentPs.isPrivileged() 1809 || (disabledSysParentPs.childPackageNames != null 1810 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1811 return; 1812 } 1813 final int[] allUserIds = sUserManager.getUserIds(); 1814 final int permCount = pkg.requestedPermissions.size(); 1815 for (int i = 0; i < permCount; i++) { 1816 String permission = pkg.requestedPermissions.get(i); 1817 BasePermission bp = mSettings.mPermissions.get(permission); 1818 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1819 continue; 1820 } 1821 for (int userId : allUserIds) { 1822 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1823 permission, userId)) { 1824 grantRuntimePermission(pkg.packageName, permission, userId); 1825 } 1826 } 1827 } 1828 } 1829 1830 private StorageEventListener mStorageListener = new StorageEventListener() { 1831 @Override 1832 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1833 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1834 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1835 final String volumeUuid = vol.getFsUuid(); 1836 1837 // Clean up any users or apps that were removed or recreated 1838 // while this volume was missing 1839 reconcileUsers(volumeUuid); 1840 reconcileApps(volumeUuid); 1841 1842 // Clean up any install sessions that expired or were 1843 // cancelled while this volume was missing 1844 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1845 1846 loadPrivatePackages(vol); 1847 1848 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1849 unloadPrivatePackages(vol); 1850 } 1851 } 1852 1853 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1854 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1855 updateExternalMediaStatus(true, false); 1856 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1857 updateExternalMediaStatus(false, false); 1858 } 1859 } 1860 } 1861 1862 @Override 1863 public void onVolumeForgotten(String fsUuid) { 1864 if (TextUtils.isEmpty(fsUuid)) { 1865 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1866 return; 1867 } 1868 1869 // Remove any apps installed on the forgotten volume 1870 synchronized (mPackages) { 1871 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1872 for (PackageSetting ps : packages) { 1873 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1874 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1875 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1876 } 1877 1878 mSettings.onVolumeForgotten(fsUuid); 1879 mSettings.writeLPr(); 1880 } 1881 } 1882 }; 1883 1884 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1885 String[] grantedPermissions) { 1886 for (int userId : userIds) { 1887 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1888 } 1889 1890 // We could have touched GID membership, so flush out packages.list 1891 synchronized (mPackages) { 1892 mSettings.writePackageListLPr(); 1893 } 1894 } 1895 1896 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1897 String[] grantedPermissions) { 1898 SettingBase sb = (SettingBase) pkg.mExtras; 1899 if (sb == null) { 1900 return; 1901 } 1902 1903 PermissionsState permissionsState = sb.getPermissionsState(); 1904 1905 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1906 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1907 1908 for (String permission : pkg.requestedPermissions) { 1909 final BasePermission bp; 1910 synchronized (mPackages) { 1911 bp = mSettings.mPermissions.get(permission); 1912 } 1913 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1914 && (grantedPermissions == null 1915 || ArrayUtils.contains(grantedPermissions, permission))) { 1916 final int flags = permissionsState.getPermissionFlags(permission, userId); 1917 // Installer cannot change immutable permissions. 1918 if ((flags & immutableFlags) == 0) { 1919 grantRuntimePermission(pkg.packageName, permission, userId); 1920 } 1921 } 1922 } 1923 } 1924 1925 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1926 Bundle extras = null; 1927 switch (res.returnCode) { 1928 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1929 extras = new Bundle(); 1930 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1931 res.origPermission); 1932 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1933 res.origPackage); 1934 break; 1935 } 1936 case PackageManager.INSTALL_SUCCEEDED: { 1937 extras = new Bundle(); 1938 extras.putBoolean(Intent.EXTRA_REPLACING, 1939 res.removedInfo != null && res.removedInfo.removedPackage != null); 1940 break; 1941 } 1942 } 1943 return extras; 1944 } 1945 1946 void scheduleWriteSettingsLocked() { 1947 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1948 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1949 } 1950 } 1951 1952 void scheduleWritePackageListLocked(int userId) { 1953 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1954 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1955 msg.arg1 = userId; 1956 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1957 } 1958 } 1959 1960 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1961 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1962 scheduleWritePackageRestrictionsLocked(userId); 1963 } 1964 1965 void scheduleWritePackageRestrictionsLocked(int userId) { 1966 final int[] userIds = (userId == UserHandle.USER_ALL) 1967 ? sUserManager.getUserIds() : new int[]{userId}; 1968 for (int nextUserId : userIds) { 1969 if (!sUserManager.exists(nextUserId)) return; 1970 mDirtyUsers.add(nextUserId); 1971 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1972 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1973 } 1974 } 1975 } 1976 1977 public static PackageManagerService main(Context context, Installer installer, 1978 boolean factoryTest, boolean onlyCore) { 1979 // Self-check for initial settings. 1980 PackageManagerServiceCompilerMapping.checkProperties(); 1981 1982 PackageManagerService m = new PackageManagerService(context, installer, 1983 factoryTest, onlyCore); 1984 m.enableSystemUserPackages(); 1985 ServiceManager.addService("package", m); 1986 return m; 1987 } 1988 1989 private void enableSystemUserPackages() { 1990 if (!UserManager.isSplitSystemUser()) { 1991 return; 1992 } 1993 // For system user, enable apps based on the following conditions: 1994 // - app is whitelisted or belong to one of these groups: 1995 // -- system app which has no launcher icons 1996 // -- system app which has INTERACT_ACROSS_USERS permission 1997 // -- system IME app 1998 // - app is not in the blacklist 1999 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2000 Set<String> enableApps = new ArraySet<>(); 2001 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2002 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2003 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2004 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2005 enableApps.addAll(wlApps); 2006 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2007 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2008 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2009 enableApps.removeAll(blApps); 2010 Log.i(TAG, "Applications installed for system user: " + enableApps); 2011 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2012 UserHandle.SYSTEM); 2013 final int allAppsSize = allAps.size(); 2014 synchronized (mPackages) { 2015 for (int i = 0; i < allAppsSize; i++) { 2016 String pName = allAps.get(i); 2017 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2018 // Should not happen, but we shouldn't be failing if it does 2019 if (pkgSetting == null) { 2020 continue; 2021 } 2022 boolean install = enableApps.contains(pName); 2023 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2024 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2025 + " for system user"); 2026 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2027 } 2028 } 2029 } 2030 } 2031 2032 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2033 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2034 Context.DISPLAY_SERVICE); 2035 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2036 } 2037 2038 /** 2039 * Requests that files preopted on a secondary system partition be copied to the data partition 2040 * if possible. Note that the actual copying of the files is accomplished by init for security 2041 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2042 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2043 */ 2044 private static void requestCopyPreoptedFiles() { 2045 final int WAIT_TIME_MS = 100; 2046 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2047 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2048 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2049 // We will wait for up to 100 seconds. 2050 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2051 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2052 try { 2053 Thread.sleep(WAIT_TIME_MS); 2054 } catch (InterruptedException e) { 2055 // Do nothing 2056 } 2057 if (SystemClock.uptimeMillis() > timeEnd) { 2058 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2059 Slog.wtf(TAG, "cppreopt did not finish!"); 2060 break; 2061 } 2062 } 2063 } 2064 } 2065 2066 public PackageManagerService(Context context, Installer installer, 2067 boolean factoryTest, boolean onlyCore) { 2068 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2069 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2070 SystemClock.uptimeMillis()); 2071 2072 if (mSdkVersion <= 0) { 2073 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2074 } 2075 2076 mContext = context; 2077 2078 mPermissionReviewRequired = context.getResources().getBoolean( 2079 R.bool.config_permissionReviewRequired); 2080 2081 mFactoryTest = factoryTest; 2082 mOnlyCore = onlyCore; 2083 mMetrics = new DisplayMetrics(); 2084 mSettings = new Settings(mPackages); 2085 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2086 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2087 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2088 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2089 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2090 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2091 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2092 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2093 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2094 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2095 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2096 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2097 2098 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2099 if (separateProcesses != null && separateProcesses.length() > 0) { 2100 if ("*".equals(separateProcesses)) { 2101 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2102 mSeparateProcesses = null; 2103 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2104 } else { 2105 mDefParseFlags = 0; 2106 mSeparateProcesses = separateProcesses.split(","); 2107 Slog.w(TAG, "Running with debug.separate_processes: " 2108 + separateProcesses); 2109 } 2110 } else { 2111 mDefParseFlags = 0; 2112 mSeparateProcesses = null; 2113 } 2114 2115 mInstaller = installer; 2116 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2117 "*dexopt*"); 2118 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2119 2120 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2121 FgThread.get().getLooper()); 2122 2123 getDefaultDisplayMetrics(context, mMetrics); 2124 2125 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2126 SystemConfig systemConfig = SystemConfig.getInstance(); 2127 mGlobalGids = systemConfig.getGlobalGids(); 2128 mSystemPermissions = systemConfig.getSystemPermissions(); 2129 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2130 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2131 2132 mProtectedPackages = new ProtectedPackages(mContext); 2133 2134 synchronized (mInstallLock) { 2135 // writer 2136 synchronized (mPackages) { 2137 mHandlerThread = new ServiceThread(TAG, 2138 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2139 mHandlerThread.start(); 2140 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2141 mProcessLoggingHandler = new ProcessLoggingHandler(); 2142 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2143 2144 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2145 2146 File dataDir = Environment.getDataDirectory(); 2147 mAppInstallDir = new File(dataDir, "app"); 2148 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2149 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2150 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2151 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2152 2153 sUserManager = new UserManagerService(context, this, mPackages); 2154 2155 // Propagate permission configuration in to package manager. 2156 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2157 = systemConfig.getPermissions(); 2158 for (int i=0; i<permConfig.size(); i++) { 2159 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2160 BasePermission bp = mSettings.mPermissions.get(perm.name); 2161 if (bp == null) { 2162 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2163 mSettings.mPermissions.put(perm.name, bp); 2164 } 2165 if (perm.gids != null) { 2166 bp.setGids(perm.gids, perm.perUser); 2167 } 2168 } 2169 2170 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2171 for (int i=0; i<libConfig.size(); i++) { 2172 mSharedLibraries.put(libConfig.keyAt(i), 2173 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2174 } 2175 2176 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2177 2178 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2179 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2180 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2181 2182 if (mFirstBoot) { 2183 requestCopyPreoptedFiles(); 2184 } 2185 2186 String customResolverActivity = Resources.getSystem().getString( 2187 R.string.config_customResolverActivity); 2188 if (TextUtils.isEmpty(customResolverActivity)) { 2189 customResolverActivity = null; 2190 } else { 2191 mCustomResolverComponentName = ComponentName.unflattenFromString( 2192 customResolverActivity); 2193 } 2194 2195 long startTime = SystemClock.uptimeMillis(); 2196 2197 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2198 startTime); 2199 2200 // Set flag to monitor and not change apk file paths when 2201 // scanning install directories. 2202 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2203 2204 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2205 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2206 2207 if (bootClassPath == null) { 2208 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2209 } 2210 2211 if (systemServerClassPath == null) { 2212 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2213 } 2214 2215 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2216 final String[] dexCodeInstructionSets = 2217 getDexCodeInstructionSets( 2218 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2219 2220 /** 2221 * Ensure all external libraries have had dexopt run on them. 2222 */ 2223 if (mSharedLibraries.size() > 0) { 2224 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2225 // NOTE: For now, we're compiling these system "shared libraries" 2226 // (and framework jars) into all available architectures. It's possible 2227 // to compile them only when we come across an app that uses them (there's 2228 // already logic for that in scanPackageLI) but that adds some complexity. 2229 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2230 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2231 final String lib = libEntry.path; 2232 if (lib == null) { 2233 continue; 2234 } 2235 2236 try { 2237 // Shared libraries do not have profiles so we perform a full 2238 // AOT compilation (if needed). 2239 int dexoptNeeded = DexFile.getDexOptNeeded( 2240 lib, dexCodeInstructionSet, 2241 getCompilerFilterForReason(REASON_SHARED_APK), 2242 false /* newProfile */); 2243 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2244 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2245 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2246 getCompilerFilterForReason(REASON_SHARED_APK), 2247 StorageManager.UUID_PRIVATE_INTERNAL, 2248 SKIP_SHARED_LIBRARY_CHECK); 2249 } 2250 } catch (FileNotFoundException e) { 2251 Slog.w(TAG, "Library not found: " + lib); 2252 } catch (IOException | InstallerException e) { 2253 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2254 + e.getMessage()); 2255 } 2256 } 2257 } 2258 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2259 } 2260 2261 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2262 2263 final VersionInfo ver = mSettings.getInternalVersion(); 2264 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2265 2266 // when upgrading from pre-M, promote system app permissions from install to runtime 2267 mPromoteSystemApps = 2268 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2269 2270 // When upgrading from pre-N, we need to handle package extraction like first boot, 2271 // as there is no profiling data available. 2272 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2273 2274 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2275 2276 // save off the names of pre-existing system packages prior to scanning; we don't 2277 // want to automatically grant runtime permissions for new system apps 2278 if (mPromoteSystemApps) { 2279 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2280 while (pkgSettingIter.hasNext()) { 2281 PackageSetting ps = pkgSettingIter.next(); 2282 if (isSystemApp(ps)) { 2283 mExistingSystemPackages.add(ps.name); 2284 } 2285 } 2286 } 2287 2288 // Collect vendor overlay packages. 2289 // (Do this before scanning any apps.) 2290 // For security and version matching reason, only consider 2291 // overlay packages if they reside in the right directory. 2292 File vendorOverlayDir; 2293 String overlaySkuDir = SystemProperties.get(VENDOR_OVERLAY_SKU_PROPERTY); 2294 if (!overlaySkuDir.isEmpty()) { 2295 vendorOverlayDir = new File(VENDOR_OVERLAY_DIR, overlaySkuDir); 2296 } else { 2297 vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2298 } 2299 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2300 | PackageParser.PARSE_IS_SYSTEM 2301 | PackageParser.PARSE_IS_SYSTEM_DIR 2302 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2303 2304 // Find base frameworks (resource packages without code). 2305 scanDirTracedLI(frameworkDir, mDefParseFlags 2306 | PackageParser.PARSE_IS_SYSTEM 2307 | PackageParser.PARSE_IS_SYSTEM_DIR 2308 | PackageParser.PARSE_IS_PRIVILEGED, 2309 scanFlags | SCAN_NO_DEX, 0); 2310 2311 // Collected privileged system packages. 2312 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2313 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2314 | PackageParser.PARSE_IS_SYSTEM 2315 | PackageParser.PARSE_IS_SYSTEM_DIR 2316 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2317 2318 // Collect ordinary system packages. 2319 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2320 scanDirTracedLI(systemAppDir, mDefParseFlags 2321 | PackageParser.PARSE_IS_SYSTEM 2322 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2323 2324 // Collect all vendor packages. 2325 File vendorAppDir = new File("/vendor/app"); 2326 try { 2327 vendorAppDir = vendorAppDir.getCanonicalFile(); 2328 } catch (IOException e) { 2329 // failed to look up canonical path, continue with original one 2330 } 2331 scanDirTracedLI(vendorAppDir, mDefParseFlags 2332 | PackageParser.PARSE_IS_SYSTEM 2333 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2334 2335 // Collect all OEM packages. 2336 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2337 scanDirTracedLI(oemAppDir, mDefParseFlags 2338 | PackageParser.PARSE_IS_SYSTEM 2339 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2340 2341 // Prune any system packages that no longer exist. 2342 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2343 if (!mOnlyCore) { 2344 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2345 while (psit.hasNext()) { 2346 PackageSetting ps = psit.next(); 2347 2348 /* 2349 * If this is not a system app, it can't be a 2350 * disable system app. 2351 */ 2352 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2353 continue; 2354 } 2355 2356 /* 2357 * If the package is scanned, it's not erased. 2358 */ 2359 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2360 if (scannedPkg != null) { 2361 /* 2362 * If the system app is both scanned and in the 2363 * disabled packages list, then it must have been 2364 * added via OTA. Remove it from the currently 2365 * scanned package so the previously user-installed 2366 * application can be scanned. 2367 */ 2368 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2369 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2370 + ps.name + "; removing system app. Last known codePath=" 2371 + ps.codePathString + ", installStatus=" + ps.installStatus 2372 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2373 + scannedPkg.mVersionCode); 2374 removePackageLI(scannedPkg, true); 2375 mExpectingBetter.put(ps.name, ps.codePath); 2376 } 2377 2378 continue; 2379 } 2380 2381 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2382 psit.remove(); 2383 logCriticalInfo(Log.WARN, "System package " + ps.name 2384 + " no longer exists; it's data will be wiped"); 2385 // Actual deletion of code and data will be handled by later 2386 // reconciliation step 2387 } else { 2388 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2389 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2390 possiblyDeletedUpdatedSystemApps.add(ps.name); 2391 } 2392 } 2393 } 2394 } 2395 2396 //look for any incomplete package installations 2397 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2398 for (int i = 0; i < deletePkgsList.size(); i++) { 2399 // Actual deletion of code and data will be handled by later 2400 // reconciliation step 2401 final String packageName = deletePkgsList.get(i).name; 2402 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2403 synchronized (mPackages) { 2404 mSettings.removePackageLPw(packageName); 2405 } 2406 } 2407 2408 //delete tmp files 2409 deleteTempPackageFiles(); 2410 2411 // Remove any shared userIDs that have no associated packages 2412 mSettings.pruneSharedUsersLPw(); 2413 2414 if (!mOnlyCore) { 2415 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2416 SystemClock.uptimeMillis()); 2417 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2418 2419 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2420 | PackageParser.PARSE_FORWARD_LOCK, 2421 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2422 2423 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2424 | PackageParser.PARSE_IS_EPHEMERAL, 2425 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2426 2427 /** 2428 * Remove disable package settings for any updated system 2429 * apps that were removed via an OTA. If they're not a 2430 * previously-updated app, remove them completely. 2431 * Otherwise, just revoke their system-level permissions. 2432 */ 2433 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2434 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2435 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2436 2437 String msg; 2438 if (deletedPkg == null) { 2439 msg = "Updated system package " + deletedAppName 2440 + " no longer exists; it's data will be wiped"; 2441 // Actual deletion of code and data will be handled by later 2442 // reconciliation step 2443 } else { 2444 msg = "Updated system app + " + deletedAppName 2445 + " no longer present; removing system privileges for " 2446 + deletedAppName; 2447 2448 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2449 2450 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2451 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2452 } 2453 logCriticalInfo(Log.WARN, msg); 2454 } 2455 2456 /** 2457 * Make sure all system apps that we expected to appear on 2458 * the userdata partition actually showed up. If they never 2459 * appeared, crawl back and revive the system version. 2460 */ 2461 for (int i = 0; i < mExpectingBetter.size(); i++) { 2462 final String packageName = mExpectingBetter.keyAt(i); 2463 if (!mPackages.containsKey(packageName)) { 2464 final File scanFile = mExpectingBetter.valueAt(i); 2465 2466 logCriticalInfo(Log.WARN, "Expected better " + packageName 2467 + " but never showed up; reverting to system"); 2468 2469 int reparseFlags = mDefParseFlags; 2470 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2471 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2472 | PackageParser.PARSE_IS_SYSTEM_DIR 2473 | PackageParser.PARSE_IS_PRIVILEGED; 2474 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2475 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2476 | PackageParser.PARSE_IS_SYSTEM_DIR; 2477 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2478 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2479 | PackageParser.PARSE_IS_SYSTEM_DIR; 2480 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2481 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2482 | PackageParser.PARSE_IS_SYSTEM_DIR; 2483 } else { 2484 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2485 continue; 2486 } 2487 2488 mSettings.enableSystemPackageLPw(packageName); 2489 2490 try { 2491 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2492 } catch (PackageManagerException e) { 2493 Slog.e(TAG, "Failed to parse original system package: " 2494 + e.getMessage()); 2495 } 2496 } 2497 } 2498 } 2499 mExpectingBetter.clear(); 2500 2501 // Resolve the storage manager. 2502 mStorageManagerPackage = getStorageManagerPackageName(); 2503 2504 // Resolve protected action filters. Only the setup wizard is allowed to 2505 // have a high priority filter for these actions. 2506 mSetupWizardPackage = getSetupWizardPackageName(); 2507 if (mProtectedFilters.size() > 0) { 2508 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2509 Slog.i(TAG, "No setup wizard;" 2510 + " All protected intents capped to priority 0"); 2511 } 2512 for (ActivityIntentInfo filter : mProtectedFilters) { 2513 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2514 if (DEBUG_FILTERS) { 2515 Slog.i(TAG, "Found setup wizard;" 2516 + " allow priority " + filter.getPriority() + ";" 2517 + " package: " + filter.activity.info.packageName 2518 + " activity: " + filter.activity.className 2519 + " priority: " + filter.getPriority()); 2520 } 2521 // skip setup wizard; allow it to keep the high priority filter 2522 continue; 2523 } 2524 Slog.w(TAG, "Protected action; cap priority to 0;" 2525 + " package: " + filter.activity.info.packageName 2526 + " activity: " + filter.activity.className 2527 + " origPrio: " + filter.getPriority()); 2528 filter.setPriority(0); 2529 } 2530 } 2531 mDeferProtectedFilters = false; 2532 mProtectedFilters.clear(); 2533 2534 // Now that we know all of the shared libraries, update all clients to have 2535 // the correct library paths. 2536 updateAllSharedLibrariesLPw(); 2537 2538 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2539 // NOTE: We ignore potential failures here during a system scan (like 2540 // the rest of the commands above) because there's precious little we 2541 // can do about it. A settings error is reported, though. 2542 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2543 } 2544 2545 // Now that we know all the packages we are keeping, 2546 // read and update their last usage times. 2547 mPackageUsage.read(mPackages); 2548 mCompilerStats.read(); 2549 2550 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2551 SystemClock.uptimeMillis()); 2552 Slog.i(TAG, "Time to scan packages: " 2553 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2554 + " seconds"); 2555 2556 // If the platform SDK has changed since the last time we booted, 2557 // we need to re-grant app permission to catch any new ones that 2558 // appear. This is really a hack, and means that apps can in some 2559 // cases get permissions that the user didn't initially explicitly 2560 // allow... it would be nice to have some better way to handle 2561 // this situation. 2562 int updateFlags = UPDATE_PERMISSIONS_ALL; 2563 if (ver.sdkVersion != mSdkVersion) { 2564 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2565 + mSdkVersion + "; regranting permissions for internal storage"); 2566 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2567 } 2568 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2569 ver.sdkVersion = mSdkVersion; 2570 2571 // If this is the first boot or an update from pre-M, and it is a normal 2572 // boot, then we need to initialize the default preferred apps across 2573 // all defined users. 2574 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2575 for (UserInfo user : sUserManager.getUsers(true)) { 2576 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2577 applyFactoryDefaultBrowserLPw(user.id); 2578 primeDomainVerificationsLPw(user.id); 2579 } 2580 } 2581 2582 // Prepare storage for system user really early during boot, 2583 // since core system apps like SettingsProvider and SystemUI 2584 // can't wait for user to start 2585 final int storageFlags; 2586 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2587 storageFlags = StorageManager.FLAG_STORAGE_DE; 2588 } else { 2589 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2590 } 2591 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2592 storageFlags, true /* migrateAppData */); 2593 2594 // If this is first boot after an OTA, and a normal boot, then 2595 // we need to clear code cache directories. 2596 // Note that we do *not* clear the application profiles. These remain valid 2597 // across OTAs and are used to drive profile verification (post OTA) and 2598 // profile compilation (without waiting to collect a fresh set of profiles). 2599 if (mIsUpgrade && !onlyCore) { 2600 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2601 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2602 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2603 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2604 // No apps are running this early, so no need to freeze 2605 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2606 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2607 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2608 } 2609 } 2610 ver.fingerprint = Build.FINGERPRINT; 2611 } 2612 2613 checkDefaultBrowser(); 2614 2615 // clear only after permissions and other defaults have been updated 2616 mExistingSystemPackages.clear(); 2617 mPromoteSystemApps = false; 2618 2619 // All the changes are done during package scanning. 2620 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2621 2622 // can downgrade to reader 2623 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2624 mSettings.writeLPr(); 2625 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2626 2627 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2628 // early on (before the package manager declares itself as early) because other 2629 // components in the system server might ask for package contexts for these apps. 2630 // 2631 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2632 // (i.e, that the data partition is unavailable). 2633 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2634 long start = System.nanoTime(); 2635 List<PackageParser.Package> coreApps = new ArrayList<>(); 2636 for (PackageParser.Package pkg : mPackages.values()) { 2637 if (pkg.coreApp) { 2638 coreApps.add(pkg); 2639 } 2640 } 2641 2642 int[] stats = performDexOptUpgrade(coreApps, false, 2643 getCompilerFilterForReason(REASON_CORE_APP)); 2644 2645 final int elapsedTimeSeconds = 2646 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2647 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2648 2649 if (DEBUG_DEXOPT) { 2650 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2651 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2652 } 2653 2654 2655 // TODO: Should we log these stats to tron too ? 2656 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2657 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2658 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2659 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2660 } 2661 2662 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2663 SystemClock.uptimeMillis()); 2664 2665 if (!mOnlyCore) { 2666 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2667 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2668 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2669 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2670 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2671 mIntentFilterVerifierComponent); 2672 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2673 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2674 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2675 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2676 } else { 2677 mRequiredVerifierPackage = null; 2678 mRequiredInstallerPackage = null; 2679 mRequiredUninstallerPackage = null; 2680 mIntentFilterVerifierComponent = null; 2681 mIntentFilterVerifier = null; 2682 mServicesSystemSharedLibraryPackageName = null; 2683 mSharedSystemSharedLibraryPackageName = null; 2684 } 2685 2686 mInstallerService = new PackageInstallerService(context, this); 2687 2688 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2689 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2690 // both the installer and resolver must be present to enable ephemeral 2691 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2692 if (DEBUG_EPHEMERAL) { 2693 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2694 + " installer:" + ephemeralInstallerComponent); 2695 } 2696 mEphemeralResolverComponent = ephemeralResolverComponent; 2697 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2698 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2699 mEphemeralResolverConnection = 2700 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2701 } else { 2702 if (DEBUG_EPHEMERAL) { 2703 final String missingComponent = 2704 (ephemeralResolverComponent == null) 2705 ? (ephemeralInstallerComponent == null) 2706 ? "resolver and installer" 2707 : "resolver" 2708 : "installer"; 2709 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2710 } 2711 mEphemeralResolverComponent = null; 2712 mEphemeralInstallerComponent = null; 2713 mEphemeralResolverConnection = null; 2714 } 2715 2716 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2717 } // synchronized (mPackages) 2718 } // synchronized (mInstallLock) 2719 2720 // Now after opening every single application zip, make sure they 2721 // are all flushed. Not really needed, but keeps things nice and 2722 // tidy. 2723 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2724 Runtime.getRuntime().gc(); 2725 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2726 2727 // The initial scanning above does many calls into installd while 2728 // holding the mPackages lock, but we're mostly interested in yelling 2729 // once we have a booted system. 2730 mInstaller.setWarnIfHeld(mPackages); 2731 2732 // Expose private service for system components to use. 2733 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2734 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2735 } 2736 2737 @Override 2738 public boolean isFirstBoot() { 2739 return mFirstBoot; 2740 } 2741 2742 @Override 2743 public boolean isOnlyCoreApps() { 2744 return mOnlyCore; 2745 } 2746 2747 @Override 2748 public boolean isUpgrade() { 2749 return mIsUpgrade; 2750 } 2751 2752 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2753 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2754 2755 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2756 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2757 UserHandle.USER_SYSTEM); 2758 if (matches.size() == 1) { 2759 return matches.get(0).getComponentInfo().packageName; 2760 } else if (matches.size() == 0) { 2761 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2762 return null; 2763 } 2764 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2765 } 2766 2767 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2768 synchronized (mPackages) { 2769 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2770 if (libraryEntry == null) { 2771 throw new IllegalStateException("Missing required shared library:" + libraryName); 2772 } 2773 return libraryEntry.apk; 2774 } 2775 } 2776 2777 private @NonNull String getRequiredInstallerLPr() { 2778 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2779 intent.addCategory(Intent.CATEGORY_DEFAULT); 2780 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2781 2782 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2783 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2784 UserHandle.USER_SYSTEM); 2785 if (matches.size() == 1) { 2786 ResolveInfo resolveInfo = matches.get(0); 2787 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2788 throw new RuntimeException("The installer must be a privileged app"); 2789 } 2790 return matches.get(0).getComponentInfo().packageName; 2791 } else { 2792 throw new RuntimeException("There must be exactly one installer; found " + matches); 2793 } 2794 } 2795 2796 private @NonNull String getRequiredUninstallerLPr() { 2797 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2798 intent.addCategory(Intent.CATEGORY_DEFAULT); 2799 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2800 2801 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2802 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2803 UserHandle.USER_SYSTEM); 2804 if (resolveInfo == null || 2805 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2806 throw new RuntimeException("There must be exactly one uninstaller; found " 2807 + resolveInfo); 2808 } 2809 return resolveInfo.getComponentInfo().packageName; 2810 } 2811 2812 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2813 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2814 2815 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2816 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2817 UserHandle.USER_SYSTEM); 2818 ResolveInfo best = null; 2819 final int N = matches.size(); 2820 for (int i = 0; i < N; i++) { 2821 final ResolveInfo cur = matches.get(i); 2822 final String packageName = cur.getComponentInfo().packageName; 2823 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2824 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2825 continue; 2826 } 2827 2828 if (best == null || cur.priority > best.priority) { 2829 best = cur; 2830 } 2831 } 2832 2833 if (best != null) { 2834 return best.getComponentInfo().getComponentName(); 2835 } else { 2836 throw new RuntimeException("There must be at least one intent filter verifier"); 2837 } 2838 } 2839 2840 private @Nullable ComponentName getEphemeralResolverLPr() { 2841 final String[] packageArray = 2842 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2843 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2844 if (DEBUG_EPHEMERAL) { 2845 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2846 } 2847 return null; 2848 } 2849 2850 final int resolveFlags = 2851 MATCH_DIRECT_BOOT_AWARE 2852 | MATCH_DIRECT_BOOT_UNAWARE 2853 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2854 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2855 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2856 resolveFlags, UserHandle.USER_SYSTEM); 2857 2858 final int N = resolvers.size(); 2859 if (N == 0) { 2860 if (DEBUG_EPHEMERAL) { 2861 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2862 } 2863 return null; 2864 } 2865 2866 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2867 for (int i = 0; i < N; i++) { 2868 final ResolveInfo info = resolvers.get(i); 2869 2870 if (info.serviceInfo == null) { 2871 continue; 2872 } 2873 2874 final String packageName = info.serviceInfo.packageName; 2875 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2876 if (DEBUG_EPHEMERAL) { 2877 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2878 + " pkg: " + packageName + ", info:" + info); 2879 } 2880 continue; 2881 } 2882 2883 if (DEBUG_EPHEMERAL) { 2884 Slog.v(TAG, "Ephemeral resolver found;" 2885 + " pkg: " + packageName + ", info:" + info); 2886 } 2887 return new ComponentName(packageName, info.serviceInfo.name); 2888 } 2889 if (DEBUG_EPHEMERAL) { 2890 Slog.v(TAG, "Ephemeral resolver NOT found"); 2891 } 2892 return null; 2893 } 2894 2895 private @Nullable ComponentName getEphemeralInstallerLPr() { 2896 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2897 intent.addCategory(Intent.CATEGORY_DEFAULT); 2898 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2899 2900 final int resolveFlags = 2901 MATCH_DIRECT_BOOT_AWARE 2902 | MATCH_DIRECT_BOOT_UNAWARE 2903 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2904 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2905 resolveFlags, UserHandle.USER_SYSTEM); 2906 if (matches.size() == 0) { 2907 return null; 2908 } else if (matches.size() == 1) { 2909 return matches.get(0).getComponentInfo().getComponentName(); 2910 } else { 2911 throw new RuntimeException( 2912 "There must be at most one ephemeral installer; found " + matches); 2913 } 2914 } 2915 2916 private void primeDomainVerificationsLPw(int userId) { 2917 if (DEBUG_DOMAIN_VERIFICATION) { 2918 Slog.d(TAG, "Priming domain verifications in user " + userId); 2919 } 2920 2921 SystemConfig systemConfig = SystemConfig.getInstance(); 2922 ArraySet<String> packages = systemConfig.getLinkedApps(); 2923 2924 for (String packageName : packages) { 2925 PackageParser.Package pkg = mPackages.get(packageName); 2926 if (pkg != null) { 2927 if (!pkg.isSystemApp()) { 2928 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2929 continue; 2930 } 2931 2932 ArraySet<String> domains = null; 2933 for (PackageParser.Activity a : pkg.activities) { 2934 for (ActivityIntentInfo filter : a.intents) { 2935 if (hasValidDomains(filter)) { 2936 if (domains == null) { 2937 domains = new ArraySet<String>(); 2938 } 2939 domains.addAll(filter.getHostsList()); 2940 } 2941 } 2942 } 2943 2944 if (domains != null && domains.size() > 0) { 2945 if (DEBUG_DOMAIN_VERIFICATION) { 2946 Slog.v(TAG, " + " + packageName); 2947 } 2948 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2949 // state w.r.t. the formal app-linkage "no verification attempted" state; 2950 // and then 'always' in the per-user state actually used for intent resolution. 2951 final IntentFilterVerificationInfo ivi; 2952 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 2953 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2954 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2955 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2956 } else { 2957 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2958 + "' does not handle web links"); 2959 } 2960 } else { 2961 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2962 } 2963 } 2964 2965 scheduleWritePackageRestrictionsLocked(userId); 2966 scheduleWriteSettingsLocked(); 2967 } 2968 2969 private void applyFactoryDefaultBrowserLPw(int userId) { 2970 // The default browser app's package name is stored in a string resource, 2971 // with a product-specific overlay used for vendor customization. 2972 String browserPkg = mContext.getResources().getString( 2973 com.android.internal.R.string.default_browser); 2974 if (!TextUtils.isEmpty(browserPkg)) { 2975 // non-empty string => required to be a known package 2976 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2977 if (ps == null) { 2978 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2979 browserPkg = null; 2980 } else { 2981 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2982 } 2983 } 2984 2985 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2986 // default. If there's more than one, just leave everything alone. 2987 if (browserPkg == null) { 2988 calculateDefaultBrowserLPw(userId); 2989 } 2990 } 2991 2992 private void calculateDefaultBrowserLPw(int userId) { 2993 List<String> allBrowsers = resolveAllBrowserApps(userId); 2994 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2995 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2996 } 2997 2998 private List<String> resolveAllBrowserApps(int userId) { 2999 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3000 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3001 PackageManager.MATCH_ALL, userId); 3002 3003 final int count = list.size(); 3004 List<String> result = new ArrayList<String>(count); 3005 for (int i=0; i<count; i++) { 3006 ResolveInfo info = list.get(i); 3007 if (info.activityInfo == null 3008 || !info.handleAllWebDataURI 3009 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3010 || result.contains(info.activityInfo.packageName)) { 3011 continue; 3012 } 3013 result.add(info.activityInfo.packageName); 3014 } 3015 3016 return result; 3017 } 3018 3019 private boolean packageIsBrowser(String packageName, int userId) { 3020 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3021 PackageManager.MATCH_ALL, userId); 3022 final int N = list.size(); 3023 for (int i = 0; i < N; i++) { 3024 ResolveInfo info = list.get(i); 3025 if (packageName.equals(info.activityInfo.packageName)) { 3026 return true; 3027 } 3028 } 3029 return false; 3030 } 3031 3032 private void checkDefaultBrowser() { 3033 final int myUserId = UserHandle.myUserId(); 3034 final String packageName = getDefaultBrowserPackageName(myUserId); 3035 if (packageName != null) { 3036 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3037 if (info == null) { 3038 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3039 synchronized (mPackages) { 3040 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3041 } 3042 } 3043 } 3044 } 3045 3046 @Override 3047 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3048 throws RemoteException { 3049 try { 3050 return super.onTransact(code, data, reply, flags); 3051 } catch (RuntimeException e) { 3052 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3053 Slog.wtf(TAG, "Package Manager Crash", e); 3054 } 3055 throw e; 3056 } 3057 } 3058 3059 static int[] appendInts(int[] cur, int[] add) { 3060 if (add == null) return cur; 3061 if (cur == null) return add; 3062 final int N = add.length; 3063 for (int i=0; i<N; i++) { 3064 cur = appendInt(cur, add[i]); 3065 } 3066 return cur; 3067 } 3068 3069 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3070 if (!sUserManager.exists(userId)) return null; 3071 if (ps == null) { 3072 return null; 3073 } 3074 final PackageParser.Package p = ps.pkg; 3075 if (p == null) { 3076 return null; 3077 } 3078 3079 final PermissionsState permissionsState = ps.getPermissionsState(); 3080 3081 // Compute GIDs only if requested 3082 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3083 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3084 // Compute granted permissions only if package has requested permissions 3085 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3086 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3087 final PackageUserState state = ps.readUserState(userId); 3088 3089 return PackageParser.generatePackageInfo(p, gids, flags, 3090 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3091 } 3092 3093 @Override 3094 public void checkPackageStartable(String packageName, int userId) { 3095 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3096 3097 synchronized (mPackages) { 3098 final PackageSetting ps = mSettings.mPackages.get(packageName); 3099 if (ps == null) { 3100 throw new SecurityException("Package " + packageName + " was not found!"); 3101 } 3102 3103 if (!ps.getInstalled(userId)) { 3104 throw new SecurityException( 3105 "Package " + packageName + " was not installed for user " + userId + "!"); 3106 } 3107 3108 if (mSafeMode && !ps.isSystem()) { 3109 throw new SecurityException("Package " + packageName + " not a system app!"); 3110 } 3111 3112 if (mFrozenPackages.contains(packageName)) { 3113 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3114 } 3115 3116 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3117 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3118 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3119 } 3120 } 3121 } 3122 3123 @Override 3124 public boolean isPackageAvailable(String packageName, int userId) { 3125 if (!sUserManager.exists(userId)) return false; 3126 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3127 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3128 synchronized (mPackages) { 3129 PackageParser.Package p = mPackages.get(packageName); 3130 if (p != null) { 3131 final PackageSetting ps = (PackageSetting) p.mExtras; 3132 if (ps != null) { 3133 final PackageUserState state = ps.readUserState(userId); 3134 if (state != null) { 3135 return PackageParser.isAvailable(state); 3136 } 3137 } 3138 } 3139 } 3140 return false; 3141 } 3142 3143 @Override 3144 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3145 if (!sUserManager.exists(userId)) return null; 3146 flags = updateFlagsForPackage(flags, userId, packageName); 3147 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3148 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3149 // reader 3150 synchronized (mPackages) { 3151 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3152 PackageParser.Package p = null; 3153 if (matchFactoryOnly) { 3154 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3155 if (ps != null) { 3156 return generatePackageInfo(ps, flags, userId); 3157 } 3158 } 3159 if (p == null) { 3160 p = mPackages.get(packageName); 3161 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3162 return null; 3163 } 3164 } 3165 if (DEBUG_PACKAGE_INFO) 3166 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3167 if (p != null) { 3168 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3169 } 3170 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3171 final PackageSetting ps = mSettings.mPackages.get(packageName); 3172 return generatePackageInfo(ps, flags, userId); 3173 } 3174 } 3175 return null; 3176 } 3177 3178 @Override 3179 public String[] currentToCanonicalPackageNames(String[] names) { 3180 String[] out = new String[names.length]; 3181 // reader 3182 synchronized (mPackages) { 3183 for (int i=names.length-1; i>=0; i--) { 3184 PackageSetting ps = mSettings.mPackages.get(names[i]); 3185 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3186 } 3187 } 3188 return out; 3189 } 3190 3191 @Override 3192 public String[] canonicalToCurrentPackageNames(String[] names) { 3193 String[] out = new String[names.length]; 3194 // reader 3195 synchronized (mPackages) { 3196 for (int i=names.length-1; i>=0; i--) { 3197 String cur = mSettings.getRenamedPackageLPr(names[i]); 3198 out[i] = cur != null ? cur : names[i]; 3199 } 3200 } 3201 return out; 3202 } 3203 3204 @Override 3205 public int getPackageUid(String packageName, int flags, int userId) { 3206 if (!sUserManager.exists(userId)) return -1; 3207 flags = updateFlagsForPackage(flags, userId, packageName); 3208 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3209 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3210 3211 // reader 3212 synchronized (mPackages) { 3213 final PackageParser.Package p = mPackages.get(packageName); 3214 if (p != null && p.isMatch(flags)) { 3215 return UserHandle.getUid(userId, p.applicationInfo.uid); 3216 } 3217 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3218 final PackageSetting ps = mSettings.mPackages.get(packageName); 3219 if (ps != null && ps.isMatch(flags)) { 3220 return UserHandle.getUid(userId, ps.appId); 3221 } 3222 } 3223 } 3224 3225 return -1; 3226 } 3227 3228 @Override 3229 public int[] getPackageGids(String packageName, int flags, int userId) { 3230 if (!sUserManager.exists(userId)) return null; 3231 flags = updateFlagsForPackage(flags, userId, packageName); 3232 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3233 false /* requireFullPermission */, false /* checkShell */, 3234 "getPackageGids"); 3235 3236 // reader 3237 synchronized (mPackages) { 3238 final PackageParser.Package p = mPackages.get(packageName); 3239 if (p != null && p.isMatch(flags)) { 3240 PackageSetting ps = (PackageSetting) p.mExtras; 3241 return ps.getPermissionsState().computeGids(userId); 3242 } 3243 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3244 final PackageSetting ps = mSettings.mPackages.get(packageName); 3245 if (ps != null && ps.isMatch(flags)) { 3246 return ps.getPermissionsState().computeGids(userId); 3247 } 3248 } 3249 } 3250 3251 return null; 3252 } 3253 3254 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3255 if (bp.perm != null) { 3256 return PackageParser.generatePermissionInfo(bp.perm, flags); 3257 } 3258 PermissionInfo pi = new PermissionInfo(); 3259 pi.name = bp.name; 3260 pi.packageName = bp.sourcePackage; 3261 pi.nonLocalizedLabel = bp.name; 3262 pi.protectionLevel = bp.protectionLevel; 3263 return pi; 3264 } 3265 3266 @Override 3267 public PermissionInfo getPermissionInfo(String name, int flags) { 3268 // reader 3269 synchronized (mPackages) { 3270 final BasePermission p = mSettings.mPermissions.get(name); 3271 if (p != null) { 3272 return generatePermissionInfo(p, flags); 3273 } 3274 return null; 3275 } 3276 } 3277 3278 @Override 3279 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3280 int flags) { 3281 // reader 3282 synchronized (mPackages) { 3283 if (group != null && !mPermissionGroups.containsKey(group)) { 3284 // This is thrown as NameNotFoundException 3285 return null; 3286 } 3287 3288 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3289 for (BasePermission p : mSettings.mPermissions.values()) { 3290 if (group == null) { 3291 if (p.perm == null || p.perm.info.group == null) { 3292 out.add(generatePermissionInfo(p, flags)); 3293 } 3294 } else { 3295 if (p.perm != null && group.equals(p.perm.info.group)) { 3296 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3297 } 3298 } 3299 } 3300 return new ParceledListSlice<>(out); 3301 } 3302 } 3303 3304 @Override 3305 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3306 // reader 3307 synchronized (mPackages) { 3308 return PackageParser.generatePermissionGroupInfo( 3309 mPermissionGroups.get(name), flags); 3310 } 3311 } 3312 3313 @Override 3314 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3315 // reader 3316 synchronized (mPackages) { 3317 final int N = mPermissionGroups.size(); 3318 ArrayList<PermissionGroupInfo> out 3319 = new ArrayList<PermissionGroupInfo>(N); 3320 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3321 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3322 } 3323 return new ParceledListSlice<>(out); 3324 } 3325 } 3326 3327 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3328 int userId) { 3329 if (!sUserManager.exists(userId)) return null; 3330 PackageSetting ps = mSettings.mPackages.get(packageName); 3331 if (ps != null) { 3332 if (ps.pkg == null) { 3333 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3334 if (pInfo != null) { 3335 return pInfo.applicationInfo; 3336 } 3337 return null; 3338 } 3339 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3340 ps.readUserState(userId), userId); 3341 } 3342 return null; 3343 } 3344 3345 @Override 3346 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3347 if (!sUserManager.exists(userId)) return null; 3348 flags = updateFlagsForApplication(flags, userId, packageName); 3349 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3350 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3351 // writer 3352 synchronized (mPackages) { 3353 PackageParser.Package p = mPackages.get(packageName); 3354 if (DEBUG_PACKAGE_INFO) Log.v( 3355 TAG, "getApplicationInfo " + packageName 3356 + ": " + p); 3357 if (p != null) { 3358 PackageSetting ps = mSettings.mPackages.get(packageName); 3359 if (ps == null) return null; 3360 // Note: isEnabledLP() does not apply here - always return info 3361 return PackageParser.generateApplicationInfo( 3362 p, flags, ps.readUserState(userId), userId); 3363 } 3364 if ("android".equals(packageName)||"system".equals(packageName)) { 3365 return mAndroidApplication; 3366 } 3367 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3368 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3369 } 3370 } 3371 return null; 3372 } 3373 3374 @Override 3375 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3376 final IPackageDataObserver observer) { 3377 mContext.enforceCallingOrSelfPermission( 3378 android.Manifest.permission.CLEAR_APP_CACHE, null); 3379 // Queue up an async operation since clearing cache may take a little while. 3380 mHandler.post(new Runnable() { 3381 public void run() { 3382 mHandler.removeCallbacks(this); 3383 boolean success = true; 3384 synchronized (mInstallLock) { 3385 try { 3386 mInstaller.freeCache(volumeUuid, freeStorageSize); 3387 } catch (InstallerException e) { 3388 Slog.w(TAG, "Couldn't clear application caches: " + e); 3389 success = false; 3390 } 3391 } 3392 if (observer != null) { 3393 try { 3394 observer.onRemoveCompleted(null, success); 3395 } catch (RemoteException e) { 3396 Slog.w(TAG, "RemoveException when invoking call back"); 3397 } 3398 } 3399 } 3400 }); 3401 } 3402 3403 @Override 3404 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3405 final IntentSender pi) { 3406 mContext.enforceCallingOrSelfPermission( 3407 android.Manifest.permission.CLEAR_APP_CACHE, null); 3408 // Queue up an async operation since clearing cache may take a little while. 3409 mHandler.post(new Runnable() { 3410 public void run() { 3411 mHandler.removeCallbacks(this); 3412 boolean success = true; 3413 synchronized (mInstallLock) { 3414 try { 3415 mInstaller.freeCache(volumeUuid, freeStorageSize); 3416 } catch (InstallerException e) { 3417 Slog.w(TAG, "Couldn't clear application caches: " + e); 3418 success = false; 3419 } 3420 } 3421 if(pi != null) { 3422 try { 3423 // Callback via pending intent 3424 int code = success ? 1 : 0; 3425 pi.sendIntent(null, code, null, 3426 null, null); 3427 } catch (SendIntentException e1) { 3428 Slog.i(TAG, "Failed to send pending intent"); 3429 } 3430 } 3431 } 3432 }); 3433 } 3434 3435 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3436 synchronized (mInstallLock) { 3437 try { 3438 mInstaller.freeCache(volumeUuid, freeStorageSize); 3439 } catch (InstallerException e) { 3440 throw new IOException("Failed to free enough space", e); 3441 } 3442 } 3443 } 3444 3445 /** 3446 * Update given flags based on encryption status of current user. 3447 */ 3448 private int updateFlags(int flags, int userId) { 3449 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3450 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3451 // Caller expressed an explicit opinion about what encryption 3452 // aware/unaware components they want to see, so fall through and 3453 // give them what they want 3454 } else { 3455 // Caller expressed no opinion, so match based on user state 3456 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3457 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3458 } else { 3459 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3460 } 3461 } 3462 return flags; 3463 } 3464 3465 private UserManagerInternal getUserManagerInternal() { 3466 if (mUserManagerInternal == null) { 3467 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3468 } 3469 return mUserManagerInternal; 3470 } 3471 3472 /** 3473 * Update given flags when being used to request {@link PackageInfo}. 3474 */ 3475 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3476 boolean triaged = true; 3477 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3478 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3479 // Caller is asking for component details, so they'd better be 3480 // asking for specific encryption matching behavior, or be triaged 3481 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3482 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3483 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3484 triaged = false; 3485 } 3486 } 3487 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3488 | PackageManager.MATCH_SYSTEM_ONLY 3489 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3490 triaged = false; 3491 } 3492 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3493 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3494 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3495 } 3496 return updateFlags(flags, userId); 3497 } 3498 3499 /** 3500 * Update given flags when being used to request {@link ApplicationInfo}. 3501 */ 3502 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3503 return updateFlagsForPackage(flags, userId, cookie); 3504 } 3505 3506 /** 3507 * Update given flags when being used to request {@link ComponentInfo}. 3508 */ 3509 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3510 if (cookie instanceof Intent) { 3511 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3512 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3513 } 3514 } 3515 3516 boolean triaged = true; 3517 // Caller is asking for component details, so they'd better be 3518 // asking for specific encryption matching behavior, or be triaged 3519 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3520 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3521 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3522 triaged = false; 3523 } 3524 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3525 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3526 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3527 } 3528 3529 return updateFlags(flags, userId); 3530 } 3531 3532 /** 3533 * Update given flags when being used to request {@link ResolveInfo}. 3534 */ 3535 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3536 // Safe mode means we shouldn't match any third-party components 3537 if (mSafeMode) { 3538 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3539 } 3540 3541 return updateFlagsForComponent(flags, userId, cookie); 3542 } 3543 3544 @Override 3545 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3546 if (!sUserManager.exists(userId)) return null; 3547 flags = updateFlagsForComponent(flags, userId, component); 3548 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3549 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3550 synchronized (mPackages) { 3551 PackageParser.Activity a = mActivities.mActivities.get(component); 3552 3553 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3554 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3555 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3556 if (ps == null) return null; 3557 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3558 userId); 3559 } 3560 if (mResolveComponentName.equals(component)) { 3561 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3562 new PackageUserState(), userId); 3563 } 3564 } 3565 return null; 3566 } 3567 3568 @Override 3569 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3570 String resolvedType) { 3571 synchronized (mPackages) { 3572 if (component.equals(mResolveComponentName)) { 3573 // The resolver supports EVERYTHING! 3574 return true; 3575 } 3576 PackageParser.Activity a = mActivities.mActivities.get(component); 3577 if (a == null) { 3578 return false; 3579 } 3580 for (int i=0; i<a.intents.size(); i++) { 3581 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3582 intent.getData(), intent.getCategories(), TAG) >= 0) { 3583 return true; 3584 } 3585 } 3586 return false; 3587 } 3588 } 3589 3590 @Override 3591 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3592 if (!sUserManager.exists(userId)) return null; 3593 flags = updateFlagsForComponent(flags, userId, component); 3594 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3595 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3596 synchronized (mPackages) { 3597 PackageParser.Activity a = mReceivers.mActivities.get(component); 3598 if (DEBUG_PACKAGE_INFO) Log.v( 3599 TAG, "getReceiverInfo " + component + ": " + a); 3600 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3601 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3602 if (ps == null) return null; 3603 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3604 userId); 3605 } 3606 } 3607 return null; 3608 } 3609 3610 @Override 3611 public ServiceInfo getServiceInfo(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 service info"); 3616 synchronized (mPackages) { 3617 PackageParser.Service s = mServices.mServices.get(component); 3618 if (DEBUG_PACKAGE_INFO) Log.v( 3619 TAG, "getServiceInfo " + component + ": " + s); 3620 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3621 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3622 if (ps == null) return null; 3623 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3624 userId); 3625 } 3626 } 3627 return null; 3628 } 3629 3630 @Override 3631 public ProviderInfo getProviderInfo(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 provider info"); 3636 synchronized (mPackages) { 3637 PackageParser.Provider p = mProviders.mProviders.get(component); 3638 if (DEBUG_PACKAGE_INFO) Log.v( 3639 TAG, "getProviderInfo " + component + ": " + p); 3640 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3641 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3642 if (ps == null) return null; 3643 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3644 userId); 3645 } 3646 } 3647 return null; 3648 } 3649 3650 @Override 3651 public String[] getSystemSharedLibraryNames() { 3652 Set<String> libSet; 3653 synchronized (mPackages) { 3654 libSet = mSharedLibraries.keySet(); 3655 int size = libSet.size(); 3656 if (size > 0) { 3657 String[] libs = new String[size]; 3658 libSet.toArray(libs); 3659 return libs; 3660 } 3661 } 3662 return null; 3663 } 3664 3665 @Override 3666 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3667 synchronized (mPackages) { 3668 return mServicesSystemSharedLibraryPackageName; 3669 } 3670 } 3671 3672 @Override 3673 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3674 synchronized (mPackages) { 3675 return mSharedSystemSharedLibraryPackageName; 3676 } 3677 } 3678 3679 @Override 3680 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3681 synchronized (mPackages) { 3682 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3683 3684 final FeatureInfo fi = new FeatureInfo(); 3685 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3686 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3687 res.add(fi); 3688 3689 return new ParceledListSlice<>(res); 3690 } 3691 } 3692 3693 @Override 3694 public boolean hasSystemFeature(String name, int version) { 3695 synchronized (mPackages) { 3696 final FeatureInfo feat = mAvailableFeatures.get(name); 3697 if (feat == null) { 3698 return false; 3699 } else { 3700 return feat.version >= version; 3701 } 3702 } 3703 } 3704 3705 @Override 3706 public int checkPermission(String permName, String pkgName, int userId) { 3707 if (!sUserManager.exists(userId)) { 3708 return PackageManager.PERMISSION_DENIED; 3709 } 3710 3711 synchronized (mPackages) { 3712 final PackageParser.Package p = mPackages.get(pkgName); 3713 if (p != null && p.mExtras != null) { 3714 final PackageSetting ps = (PackageSetting) p.mExtras; 3715 final PermissionsState permissionsState = ps.getPermissionsState(); 3716 if (permissionsState.hasPermission(permName, userId)) { 3717 return PackageManager.PERMISSION_GRANTED; 3718 } 3719 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3720 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3721 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3722 return PackageManager.PERMISSION_GRANTED; 3723 } 3724 } 3725 } 3726 3727 return PackageManager.PERMISSION_DENIED; 3728 } 3729 3730 @Override 3731 public int checkUidPermission(String permName, int uid) { 3732 final int userId = UserHandle.getUserId(uid); 3733 3734 if (!sUserManager.exists(userId)) { 3735 return PackageManager.PERMISSION_DENIED; 3736 } 3737 3738 synchronized (mPackages) { 3739 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3740 if (obj != null) { 3741 final SettingBase ps = (SettingBase) obj; 3742 final PermissionsState permissionsState = ps.getPermissionsState(); 3743 if (permissionsState.hasPermission(permName, userId)) { 3744 return PackageManager.PERMISSION_GRANTED; 3745 } 3746 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3747 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3748 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3749 return PackageManager.PERMISSION_GRANTED; 3750 } 3751 } else { 3752 ArraySet<String> perms = mSystemPermissions.get(uid); 3753 if (perms != null) { 3754 if (perms.contains(permName)) { 3755 return PackageManager.PERMISSION_GRANTED; 3756 } 3757 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3758 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3759 return PackageManager.PERMISSION_GRANTED; 3760 } 3761 } 3762 } 3763 } 3764 3765 return PackageManager.PERMISSION_DENIED; 3766 } 3767 3768 @Override 3769 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3770 if (UserHandle.getCallingUserId() != userId) { 3771 mContext.enforceCallingPermission( 3772 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3773 "isPermissionRevokedByPolicy for user " + userId); 3774 } 3775 3776 if (checkPermission(permission, packageName, userId) 3777 == PackageManager.PERMISSION_GRANTED) { 3778 return false; 3779 } 3780 3781 final long identity = Binder.clearCallingIdentity(); 3782 try { 3783 final int flags = getPermissionFlags(permission, packageName, userId); 3784 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3785 } finally { 3786 Binder.restoreCallingIdentity(identity); 3787 } 3788 } 3789 3790 @Override 3791 public String getPermissionControllerPackageName() { 3792 synchronized (mPackages) { 3793 return mRequiredInstallerPackage; 3794 } 3795 } 3796 3797 /** 3798 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3799 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3800 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3801 * @param message the message to log on security exception 3802 */ 3803 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3804 boolean checkShell, String message) { 3805 if (userId < 0) { 3806 throw new IllegalArgumentException("Invalid userId " + userId); 3807 } 3808 if (checkShell) { 3809 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3810 } 3811 if (userId == UserHandle.getUserId(callingUid)) return; 3812 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3813 if (requireFullPermission) { 3814 mContext.enforceCallingOrSelfPermission( 3815 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3816 } else { 3817 try { 3818 mContext.enforceCallingOrSelfPermission( 3819 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3820 } catch (SecurityException se) { 3821 mContext.enforceCallingOrSelfPermission( 3822 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3823 } 3824 } 3825 } 3826 } 3827 3828 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3829 if (callingUid == Process.SHELL_UID) { 3830 if (userHandle >= 0 3831 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3832 throw new SecurityException("Shell does not have permission to access user " 3833 + userHandle); 3834 } else if (userHandle < 0) { 3835 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3836 + Debug.getCallers(3)); 3837 } 3838 } 3839 } 3840 3841 private BasePermission findPermissionTreeLP(String permName) { 3842 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3843 if (permName.startsWith(bp.name) && 3844 permName.length() > bp.name.length() && 3845 permName.charAt(bp.name.length()) == '.') { 3846 return bp; 3847 } 3848 } 3849 return null; 3850 } 3851 3852 private BasePermission checkPermissionTreeLP(String permName) { 3853 if (permName != null) { 3854 BasePermission bp = findPermissionTreeLP(permName); 3855 if (bp != null) { 3856 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3857 return bp; 3858 } 3859 throw new SecurityException("Calling uid " 3860 + Binder.getCallingUid() 3861 + " is not allowed to add to permission tree " 3862 + bp.name + " owned by uid " + bp.uid); 3863 } 3864 } 3865 throw new SecurityException("No permission tree found for " + permName); 3866 } 3867 3868 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3869 if (s1 == null) { 3870 return s2 == null; 3871 } 3872 if (s2 == null) { 3873 return false; 3874 } 3875 if (s1.getClass() != s2.getClass()) { 3876 return false; 3877 } 3878 return s1.equals(s2); 3879 } 3880 3881 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3882 if (pi1.icon != pi2.icon) return false; 3883 if (pi1.logo != pi2.logo) return false; 3884 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3885 if (!compareStrings(pi1.name, pi2.name)) return false; 3886 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3887 // We'll take care of setting this one. 3888 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3889 // These are not currently stored in settings. 3890 //if (!compareStrings(pi1.group, pi2.group)) return false; 3891 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3892 //if (pi1.labelRes != pi2.labelRes) return false; 3893 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3894 return true; 3895 } 3896 3897 int permissionInfoFootprint(PermissionInfo info) { 3898 int size = info.name.length(); 3899 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3900 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3901 return size; 3902 } 3903 3904 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3905 int size = 0; 3906 for (BasePermission perm : mSettings.mPermissions.values()) { 3907 if (perm.uid == tree.uid) { 3908 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3909 } 3910 } 3911 return size; 3912 } 3913 3914 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3915 // We calculate the max size of permissions defined by this uid and throw 3916 // if that plus the size of 'info' would exceed our stated maximum. 3917 if (tree.uid != Process.SYSTEM_UID) { 3918 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3919 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3920 throw new SecurityException("Permission tree size cap exceeded"); 3921 } 3922 } 3923 } 3924 3925 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3926 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3927 throw new SecurityException("Label must be specified in permission"); 3928 } 3929 BasePermission tree = checkPermissionTreeLP(info.name); 3930 BasePermission bp = mSettings.mPermissions.get(info.name); 3931 boolean added = bp == null; 3932 boolean changed = true; 3933 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3934 if (added) { 3935 enforcePermissionCapLocked(info, tree); 3936 bp = new BasePermission(info.name, tree.sourcePackage, 3937 BasePermission.TYPE_DYNAMIC); 3938 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3939 throw new SecurityException( 3940 "Not allowed to modify non-dynamic permission " 3941 + info.name); 3942 } else { 3943 if (bp.protectionLevel == fixedLevel 3944 && bp.perm.owner.equals(tree.perm.owner) 3945 && bp.uid == tree.uid 3946 && comparePermissionInfos(bp.perm.info, info)) { 3947 changed = false; 3948 } 3949 } 3950 bp.protectionLevel = fixedLevel; 3951 info = new PermissionInfo(info); 3952 info.protectionLevel = fixedLevel; 3953 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3954 bp.perm.info.packageName = tree.perm.info.packageName; 3955 bp.uid = tree.uid; 3956 if (added) { 3957 mSettings.mPermissions.put(info.name, bp); 3958 } 3959 if (changed) { 3960 if (!async) { 3961 mSettings.writeLPr(); 3962 } else { 3963 scheduleWriteSettingsLocked(); 3964 } 3965 } 3966 return added; 3967 } 3968 3969 @Override 3970 public boolean addPermission(PermissionInfo info) { 3971 synchronized (mPackages) { 3972 return addPermissionLocked(info, false); 3973 } 3974 } 3975 3976 @Override 3977 public boolean addPermissionAsync(PermissionInfo info) { 3978 synchronized (mPackages) { 3979 return addPermissionLocked(info, true); 3980 } 3981 } 3982 3983 @Override 3984 public void removePermission(String name) { 3985 synchronized (mPackages) { 3986 checkPermissionTreeLP(name); 3987 BasePermission bp = mSettings.mPermissions.get(name); 3988 if (bp != null) { 3989 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3990 throw new SecurityException( 3991 "Not allowed to modify non-dynamic permission " 3992 + name); 3993 } 3994 mSettings.mPermissions.remove(name); 3995 mSettings.writeLPr(); 3996 } 3997 } 3998 } 3999 4000 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4001 BasePermission bp) { 4002 int index = pkg.requestedPermissions.indexOf(bp.name); 4003 if (index == -1) { 4004 throw new SecurityException("Package " + pkg.packageName 4005 + " has not requested permission " + bp.name); 4006 } 4007 if (!bp.isRuntime() && !bp.isDevelopment()) { 4008 throw new SecurityException("Permission " + bp.name 4009 + " is not a changeable permission type"); 4010 } 4011 } 4012 4013 @Override 4014 public void grantRuntimePermission(String packageName, String name, final int userId) { 4015 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4016 } 4017 4018 private void grantRuntimePermission(String packageName, String name, final int userId, 4019 boolean overridePolicy) { 4020 if (!sUserManager.exists(userId)) { 4021 Log.e(TAG, "No such user:" + userId); 4022 return; 4023 } 4024 4025 mContext.enforceCallingOrSelfPermission( 4026 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4027 "grantRuntimePermission"); 4028 4029 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4030 true /* requireFullPermission */, true /* checkShell */, 4031 "grantRuntimePermission"); 4032 4033 final int uid; 4034 final SettingBase sb; 4035 4036 synchronized (mPackages) { 4037 final PackageParser.Package pkg = mPackages.get(packageName); 4038 if (pkg == null) { 4039 throw new IllegalArgumentException("Unknown package: " + packageName); 4040 } 4041 4042 final BasePermission bp = mSettings.mPermissions.get(name); 4043 if (bp == null) { 4044 throw new IllegalArgumentException("Unknown permission: " + name); 4045 } 4046 4047 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4048 4049 // If a permission review is required for legacy apps we represent 4050 // their permissions as always granted runtime ones since we need 4051 // to keep the review required permission flag per user while an 4052 // install permission's state is shared across all users. 4053 if (mPermissionReviewRequired 4054 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4055 && bp.isRuntime()) { 4056 return; 4057 } 4058 4059 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4060 sb = (SettingBase) pkg.mExtras; 4061 if (sb == null) { 4062 throw new IllegalArgumentException("Unknown package: " + packageName); 4063 } 4064 4065 final PermissionsState permissionsState = sb.getPermissionsState(); 4066 4067 final int flags = permissionsState.getPermissionFlags(name, userId); 4068 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4069 throw new SecurityException("Cannot grant system fixed permission " 4070 + name + " for package " + packageName); 4071 } 4072 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4073 throw new SecurityException("Cannot grant policy fixed permission " 4074 + name + " for package " + packageName); 4075 } 4076 4077 if (bp.isDevelopment()) { 4078 // Development permissions must be handled specially, since they are not 4079 // normal runtime permissions. For now they apply to all users. 4080 if (permissionsState.grantInstallPermission(bp) != 4081 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4082 scheduleWriteSettingsLocked(); 4083 } 4084 return; 4085 } 4086 4087 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4088 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4089 return; 4090 } 4091 4092 final int result = permissionsState.grantRuntimePermission(bp, userId); 4093 switch (result) { 4094 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4095 return; 4096 } 4097 4098 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4099 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4100 mHandler.post(new Runnable() { 4101 @Override 4102 public void run() { 4103 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4104 } 4105 }); 4106 } 4107 break; 4108 } 4109 4110 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4111 4112 // Not critical if that is lost - app has to request again. 4113 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4114 } 4115 4116 // Only need to do this if user is initialized. Otherwise it's a new user 4117 // and there are no processes running as the user yet and there's no need 4118 // to make an expensive call to remount processes for the changed permissions. 4119 if (READ_EXTERNAL_STORAGE.equals(name) 4120 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4121 final long token = Binder.clearCallingIdentity(); 4122 try { 4123 if (sUserManager.isInitialized(userId)) { 4124 MountServiceInternal mountServiceInternal = LocalServices.getService( 4125 MountServiceInternal.class); 4126 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4127 } 4128 } finally { 4129 Binder.restoreCallingIdentity(token); 4130 } 4131 } 4132 } 4133 4134 @Override 4135 public void revokeRuntimePermission(String packageName, String name, int userId) { 4136 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4137 } 4138 4139 private void revokeRuntimePermission(String packageName, String name, int userId, 4140 boolean overridePolicy) { 4141 if (!sUserManager.exists(userId)) { 4142 Log.e(TAG, "No such user:" + userId); 4143 return; 4144 } 4145 4146 mContext.enforceCallingOrSelfPermission( 4147 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4148 "revokeRuntimePermission"); 4149 4150 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4151 true /* requireFullPermission */, true /* checkShell */, 4152 "revokeRuntimePermission"); 4153 4154 final int appId; 4155 4156 synchronized (mPackages) { 4157 final PackageParser.Package pkg = mPackages.get(packageName); 4158 if (pkg == null) { 4159 throw new IllegalArgumentException("Unknown package: " + packageName); 4160 } 4161 4162 final BasePermission bp = mSettings.mPermissions.get(name); 4163 if (bp == null) { 4164 throw new IllegalArgumentException("Unknown permission: " + name); 4165 } 4166 4167 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4168 4169 // If a permission review is required for legacy apps we represent 4170 // their permissions as always granted runtime ones since we need 4171 // to keep the review required permission flag per user while an 4172 // install permission's state is shared across all users. 4173 if (mPermissionReviewRequired 4174 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4175 && bp.isRuntime()) { 4176 return; 4177 } 4178 4179 SettingBase sb = (SettingBase) pkg.mExtras; 4180 if (sb == null) { 4181 throw new IllegalArgumentException("Unknown package: " + packageName); 4182 } 4183 4184 final PermissionsState permissionsState = sb.getPermissionsState(); 4185 4186 final int flags = permissionsState.getPermissionFlags(name, userId); 4187 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4188 throw new SecurityException("Cannot revoke system fixed permission " 4189 + name + " for package " + packageName); 4190 } 4191 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4192 throw new SecurityException("Cannot revoke policy fixed permission " 4193 + name + " for package " + packageName); 4194 } 4195 4196 if (bp.isDevelopment()) { 4197 // Development permissions must be handled specially, since they are not 4198 // normal runtime permissions. For now they apply to all users. 4199 if (permissionsState.revokeInstallPermission(bp) != 4200 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4201 scheduleWriteSettingsLocked(); 4202 } 4203 return; 4204 } 4205 4206 if (permissionsState.revokeRuntimePermission(bp, userId) == 4207 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4208 return; 4209 } 4210 4211 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4212 4213 // Critical, after this call app should never have the permission. 4214 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4215 4216 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4217 } 4218 4219 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4220 } 4221 4222 @Override 4223 public void resetRuntimePermissions() { 4224 mContext.enforceCallingOrSelfPermission( 4225 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4226 "revokeRuntimePermission"); 4227 4228 int callingUid = Binder.getCallingUid(); 4229 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4230 mContext.enforceCallingOrSelfPermission( 4231 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4232 "resetRuntimePermissions"); 4233 } 4234 4235 synchronized (mPackages) { 4236 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4237 for (int userId : UserManagerService.getInstance().getUserIds()) { 4238 final int packageCount = mPackages.size(); 4239 for (int i = 0; i < packageCount; i++) { 4240 PackageParser.Package pkg = mPackages.valueAt(i); 4241 if (!(pkg.mExtras instanceof PackageSetting)) { 4242 continue; 4243 } 4244 PackageSetting ps = (PackageSetting) pkg.mExtras; 4245 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4246 } 4247 } 4248 } 4249 } 4250 4251 @Override 4252 public int getPermissionFlags(String name, String packageName, int userId) { 4253 if (!sUserManager.exists(userId)) { 4254 return 0; 4255 } 4256 4257 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4258 4259 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4260 true /* requireFullPermission */, false /* checkShell */, 4261 "getPermissionFlags"); 4262 4263 synchronized (mPackages) { 4264 final PackageParser.Package pkg = mPackages.get(packageName); 4265 if (pkg == null) { 4266 return 0; 4267 } 4268 4269 final BasePermission bp = mSettings.mPermissions.get(name); 4270 if (bp == null) { 4271 return 0; 4272 } 4273 4274 SettingBase sb = (SettingBase) pkg.mExtras; 4275 if (sb == null) { 4276 return 0; 4277 } 4278 4279 PermissionsState permissionsState = sb.getPermissionsState(); 4280 return permissionsState.getPermissionFlags(name, userId); 4281 } 4282 } 4283 4284 @Override 4285 public void updatePermissionFlags(String name, String packageName, int flagMask, 4286 int flagValues, int userId) { 4287 if (!sUserManager.exists(userId)) { 4288 return; 4289 } 4290 4291 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4292 4293 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4294 true /* requireFullPermission */, true /* checkShell */, 4295 "updatePermissionFlags"); 4296 4297 // Only the system can change these flags and nothing else. 4298 if (getCallingUid() != Process.SYSTEM_UID) { 4299 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4300 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4301 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4302 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4303 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4304 } 4305 4306 synchronized (mPackages) { 4307 final PackageParser.Package pkg = mPackages.get(packageName); 4308 if (pkg == null) { 4309 throw new IllegalArgumentException("Unknown package: " + packageName); 4310 } 4311 4312 final BasePermission bp = mSettings.mPermissions.get(name); 4313 if (bp == null) { 4314 throw new IllegalArgumentException("Unknown permission: " + name); 4315 } 4316 4317 SettingBase sb = (SettingBase) pkg.mExtras; 4318 if (sb == null) { 4319 throw new IllegalArgumentException("Unknown package: " + packageName); 4320 } 4321 4322 PermissionsState permissionsState = sb.getPermissionsState(); 4323 4324 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4325 4326 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4327 // Install and runtime permissions are stored in different places, 4328 // so figure out what permission changed and persist the change. 4329 if (permissionsState.getInstallPermissionState(name) != null) { 4330 scheduleWriteSettingsLocked(); 4331 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4332 || hadState) { 4333 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4334 } 4335 } 4336 } 4337 } 4338 4339 /** 4340 * Update the permission flags for all packages and runtime permissions of a user in order 4341 * to allow device or profile owner to remove POLICY_FIXED. 4342 */ 4343 @Override 4344 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4345 if (!sUserManager.exists(userId)) { 4346 return; 4347 } 4348 4349 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4350 4351 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4352 true /* requireFullPermission */, true /* checkShell */, 4353 "updatePermissionFlagsForAllApps"); 4354 4355 // Only the system can change system fixed flags. 4356 if (getCallingUid() != Process.SYSTEM_UID) { 4357 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4358 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4359 } 4360 4361 synchronized (mPackages) { 4362 boolean changed = false; 4363 final int packageCount = mPackages.size(); 4364 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4365 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4366 SettingBase sb = (SettingBase) pkg.mExtras; 4367 if (sb == null) { 4368 continue; 4369 } 4370 PermissionsState permissionsState = sb.getPermissionsState(); 4371 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4372 userId, flagMask, flagValues); 4373 } 4374 if (changed) { 4375 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4376 } 4377 } 4378 } 4379 4380 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4381 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4382 != PackageManager.PERMISSION_GRANTED 4383 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4384 != PackageManager.PERMISSION_GRANTED) { 4385 throw new SecurityException(message + " requires " 4386 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4387 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4388 } 4389 } 4390 4391 @Override 4392 public boolean shouldShowRequestPermissionRationale(String permissionName, 4393 String packageName, int userId) { 4394 if (UserHandle.getCallingUserId() != userId) { 4395 mContext.enforceCallingPermission( 4396 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4397 "canShowRequestPermissionRationale for user " + userId); 4398 } 4399 4400 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4401 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4402 return false; 4403 } 4404 4405 if (checkPermission(permissionName, packageName, userId) 4406 == PackageManager.PERMISSION_GRANTED) { 4407 return false; 4408 } 4409 4410 final int flags; 4411 4412 final long identity = Binder.clearCallingIdentity(); 4413 try { 4414 flags = getPermissionFlags(permissionName, 4415 packageName, userId); 4416 } finally { 4417 Binder.restoreCallingIdentity(identity); 4418 } 4419 4420 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4421 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4422 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4423 4424 if ((flags & fixedFlags) != 0) { 4425 return false; 4426 } 4427 4428 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4429 } 4430 4431 @Override 4432 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4433 mContext.enforceCallingOrSelfPermission( 4434 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4435 "addOnPermissionsChangeListener"); 4436 4437 synchronized (mPackages) { 4438 mOnPermissionChangeListeners.addListenerLocked(listener); 4439 } 4440 } 4441 4442 @Override 4443 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4444 synchronized (mPackages) { 4445 mOnPermissionChangeListeners.removeListenerLocked(listener); 4446 } 4447 } 4448 4449 @Override 4450 public boolean isProtectedBroadcast(String actionName) { 4451 synchronized (mPackages) { 4452 if (mProtectedBroadcasts.contains(actionName)) { 4453 return true; 4454 } else if (actionName != null) { 4455 // TODO: remove these terrible hacks 4456 if (actionName.startsWith("android.net.netmon.lingerExpired") 4457 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4458 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4459 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4460 return true; 4461 } 4462 } 4463 } 4464 return false; 4465 } 4466 4467 @Override 4468 public int checkSignatures(String pkg1, String pkg2) { 4469 synchronized (mPackages) { 4470 final PackageParser.Package p1 = mPackages.get(pkg1); 4471 final PackageParser.Package p2 = mPackages.get(pkg2); 4472 if (p1 == null || p1.mExtras == null 4473 || p2 == null || p2.mExtras == null) { 4474 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4475 } 4476 return compareSignatures(p1.mSignatures, p2.mSignatures); 4477 } 4478 } 4479 4480 @Override 4481 public int checkUidSignatures(int uid1, int uid2) { 4482 // Map to base uids. 4483 uid1 = UserHandle.getAppId(uid1); 4484 uid2 = UserHandle.getAppId(uid2); 4485 // reader 4486 synchronized (mPackages) { 4487 Signature[] s1; 4488 Signature[] s2; 4489 Object obj = mSettings.getUserIdLPr(uid1); 4490 if (obj != null) { 4491 if (obj instanceof SharedUserSetting) { 4492 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4493 } else if (obj instanceof PackageSetting) { 4494 s1 = ((PackageSetting)obj).signatures.mSignatures; 4495 } else { 4496 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4497 } 4498 } else { 4499 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4500 } 4501 obj = mSettings.getUserIdLPr(uid2); 4502 if (obj != null) { 4503 if (obj instanceof SharedUserSetting) { 4504 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4505 } else if (obj instanceof PackageSetting) { 4506 s2 = ((PackageSetting)obj).signatures.mSignatures; 4507 } else { 4508 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4509 } 4510 } else { 4511 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4512 } 4513 return compareSignatures(s1, s2); 4514 } 4515 } 4516 4517 /** 4518 * This method should typically only be used when granting or revoking 4519 * permissions, since the app may immediately restart after this call. 4520 * <p> 4521 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4522 * guard your work against the app being relaunched. 4523 */ 4524 private void killUid(int appId, int userId, String reason) { 4525 final long identity = Binder.clearCallingIdentity(); 4526 try { 4527 IActivityManager am = ActivityManagerNative.getDefault(); 4528 if (am != null) { 4529 try { 4530 am.killUid(appId, userId, reason); 4531 } catch (RemoteException e) { 4532 /* ignore - same process */ 4533 } 4534 } 4535 } finally { 4536 Binder.restoreCallingIdentity(identity); 4537 } 4538 } 4539 4540 /** 4541 * Compares two sets of signatures. Returns: 4542 * <br /> 4543 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4544 * <br /> 4545 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4546 * <br /> 4547 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4548 * <br /> 4549 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4550 * <br /> 4551 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4552 */ 4553 static int compareSignatures(Signature[] s1, Signature[] s2) { 4554 if (s1 == null) { 4555 return s2 == null 4556 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4557 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4558 } 4559 4560 if (s2 == null) { 4561 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4562 } 4563 4564 if (s1.length != s2.length) { 4565 return PackageManager.SIGNATURE_NO_MATCH; 4566 } 4567 4568 // Since both signature sets are of size 1, we can compare without HashSets. 4569 if (s1.length == 1) { 4570 return s1[0].equals(s2[0]) ? 4571 PackageManager.SIGNATURE_MATCH : 4572 PackageManager.SIGNATURE_NO_MATCH; 4573 } 4574 4575 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4576 for (Signature sig : s1) { 4577 set1.add(sig); 4578 } 4579 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4580 for (Signature sig : s2) { 4581 set2.add(sig); 4582 } 4583 // Make sure s2 contains all signatures in s1. 4584 if (set1.equals(set2)) { 4585 return PackageManager.SIGNATURE_MATCH; 4586 } 4587 return PackageManager.SIGNATURE_NO_MATCH; 4588 } 4589 4590 /** 4591 * If the database version for this type of package (internal storage or 4592 * external storage) is less than the version where package signatures 4593 * were updated, return true. 4594 */ 4595 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4596 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4597 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4598 } 4599 4600 /** 4601 * Used for backward compatibility to make sure any packages with 4602 * certificate chains get upgraded to the new style. {@code existingSigs} 4603 * will be in the old format (since they were stored on disk from before the 4604 * system upgrade) and {@code scannedSigs} will be in the newer format. 4605 */ 4606 private int compareSignaturesCompat(PackageSignatures existingSigs, 4607 PackageParser.Package scannedPkg) { 4608 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4609 return PackageManager.SIGNATURE_NO_MATCH; 4610 } 4611 4612 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4613 for (Signature sig : existingSigs.mSignatures) { 4614 existingSet.add(sig); 4615 } 4616 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4617 for (Signature sig : scannedPkg.mSignatures) { 4618 try { 4619 Signature[] chainSignatures = sig.getChainSignatures(); 4620 for (Signature chainSig : chainSignatures) { 4621 scannedCompatSet.add(chainSig); 4622 } 4623 } catch (CertificateEncodingException e) { 4624 scannedCompatSet.add(sig); 4625 } 4626 } 4627 /* 4628 * Make sure the expanded scanned set contains all signatures in the 4629 * existing one. 4630 */ 4631 if (scannedCompatSet.equals(existingSet)) { 4632 // Migrate the old signatures to the new scheme. 4633 existingSigs.assignSignatures(scannedPkg.mSignatures); 4634 // The new KeySets will be re-added later in the scanning process. 4635 synchronized (mPackages) { 4636 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4637 } 4638 return PackageManager.SIGNATURE_MATCH; 4639 } 4640 return PackageManager.SIGNATURE_NO_MATCH; 4641 } 4642 4643 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4644 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4645 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4646 } 4647 4648 private int compareSignaturesRecover(PackageSignatures existingSigs, 4649 PackageParser.Package scannedPkg) { 4650 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4651 return PackageManager.SIGNATURE_NO_MATCH; 4652 } 4653 4654 String msg = null; 4655 try { 4656 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4657 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4658 + scannedPkg.packageName); 4659 return PackageManager.SIGNATURE_MATCH; 4660 } 4661 } catch (CertificateException e) { 4662 msg = e.getMessage(); 4663 } 4664 4665 logCriticalInfo(Log.INFO, 4666 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4667 return PackageManager.SIGNATURE_NO_MATCH; 4668 } 4669 4670 @Override 4671 public List<String> getAllPackages() { 4672 synchronized (mPackages) { 4673 return new ArrayList<String>(mPackages.keySet()); 4674 } 4675 } 4676 4677 @Override 4678 public String[] getPackagesForUid(int uid) { 4679 final int userId = UserHandle.getUserId(uid); 4680 uid = UserHandle.getAppId(uid); 4681 // reader 4682 synchronized (mPackages) { 4683 Object obj = mSettings.getUserIdLPr(uid); 4684 if (obj instanceof SharedUserSetting) { 4685 final SharedUserSetting sus = (SharedUserSetting) obj; 4686 final int N = sus.packages.size(); 4687 String[] res = new String[N]; 4688 final Iterator<PackageSetting> it = sus.packages.iterator(); 4689 int i = 0; 4690 while (it.hasNext()) { 4691 PackageSetting ps = it.next(); 4692 if (ps.getInstalled(userId)) { 4693 res[i++] = ps.name; 4694 } else { 4695 res = ArrayUtils.removeElement(String.class, res, res[i]); 4696 } 4697 } 4698 return res; 4699 } else if (obj instanceof PackageSetting) { 4700 final PackageSetting ps = (PackageSetting) obj; 4701 return new String[] { ps.name }; 4702 } 4703 } 4704 return null; 4705 } 4706 4707 @Override 4708 public String getNameForUid(int uid) { 4709 // reader 4710 synchronized (mPackages) { 4711 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4712 if (obj instanceof SharedUserSetting) { 4713 final SharedUserSetting sus = (SharedUserSetting) obj; 4714 return sus.name + ":" + sus.userId; 4715 } else if (obj instanceof PackageSetting) { 4716 final PackageSetting ps = (PackageSetting) obj; 4717 return ps.name; 4718 } 4719 } 4720 return null; 4721 } 4722 4723 @Override 4724 public int getUidForSharedUser(String sharedUserName) { 4725 if(sharedUserName == null) { 4726 return -1; 4727 } 4728 // reader 4729 synchronized (mPackages) { 4730 SharedUserSetting suid; 4731 try { 4732 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4733 if (suid != null) { 4734 return suid.userId; 4735 } 4736 } catch (PackageManagerException ignore) { 4737 // can't happen, but, still need to catch it 4738 } 4739 return -1; 4740 } 4741 } 4742 4743 @Override 4744 public int getFlagsForUid(int uid) { 4745 synchronized (mPackages) { 4746 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4747 if (obj instanceof SharedUserSetting) { 4748 final SharedUserSetting sus = (SharedUserSetting) obj; 4749 return sus.pkgFlags; 4750 } else if (obj instanceof PackageSetting) { 4751 final PackageSetting ps = (PackageSetting) obj; 4752 return ps.pkgFlags; 4753 } 4754 } 4755 return 0; 4756 } 4757 4758 @Override 4759 public int getPrivateFlagsForUid(int uid) { 4760 synchronized (mPackages) { 4761 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4762 if (obj instanceof SharedUserSetting) { 4763 final SharedUserSetting sus = (SharedUserSetting) obj; 4764 return sus.pkgPrivateFlags; 4765 } else if (obj instanceof PackageSetting) { 4766 final PackageSetting ps = (PackageSetting) obj; 4767 return ps.pkgPrivateFlags; 4768 } 4769 } 4770 return 0; 4771 } 4772 4773 @Override 4774 public boolean isUidPrivileged(int uid) { 4775 uid = UserHandle.getAppId(uid); 4776 // reader 4777 synchronized (mPackages) { 4778 Object obj = mSettings.getUserIdLPr(uid); 4779 if (obj instanceof SharedUserSetting) { 4780 final SharedUserSetting sus = (SharedUserSetting) obj; 4781 final Iterator<PackageSetting> it = sus.packages.iterator(); 4782 while (it.hasNext()) { 4783 if (it.next().isPrivileged()) { 4784 return true; 4785 } 4786 } 4787 } else if (obj instanceof PackageSetting) { 4788 final PackageSetting ps = (PackageSetting) obj; 4789 return ps.isPrivileged(); 4790 } 4791 } 4792 return false; 4793 } 4794 4795 @Override 4796 public String[] getAppOpPermissionPackages(String permissionName) { 4797 synchronized (mPackages) { 4798 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4799 if (pkgs == null) { 4800 return null; 4801 } 4802 return pkgs.toArray(new String[pkgs.size()]); 4803 } 4804 } 4805 4806 @Override 4807 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4808 int flags, int userId) { 4809 try { 4810 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4811 4812 if (!sUserManager.exists(userId)) return null; 4813 flags = updateFlagsForResolve(flags, userId, intent); 4814 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4815 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4816 4817 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4818 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4819 flags, userId); 4820 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4821 4822 final ResolveInfo bestChoice = 4823 chooseBestActivity(intent, resolvedType, flags, query, userId); 4824 return bestChoice; 4825 } finally { 4826 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4827 } 4828 } 4829 4830 @Override 4831 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4832 IntentFilter filter, int match, ComponentName activity) { 4833 final int userId = UserHandle.getCallingUserId(); 4834 if (DEBUG_PREFERRED) { 4835 Log.v(TAG, "setLastChosenActivity intent=" + intent 4836 + " resolvedType=" + resolvedType 4837 + " flags=" + flags 4838 + " filter=" + filter 4839 + " match=" + match 4840 + " activity=" + activity); 4841 filter.dump(new PrintStreamPrinter(System.out), " "); 4842 } 4843 intent.setComponent(null); 4844 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4845 userId); 4846 // Find any earlier preferred or last chosen entries and nuke them 4847 findPreferredActivity(intent, resolvedType, 4848 flags, query, 0, false, true, false, userId); 4849 // Add the new activity as the last chosen for this filter 4850 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4851 "Setting last chosen"); 4852 } 4853 4854 @Override 4855 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4856 final int userId = UserHandle.getCallingUserId(); 4857 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4858 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4859 userId); 4860 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4861 false, false, false, userId); 4862 } 4863 4864 private boolean isEphemeralDisabled() { 4865 // ephemeral apps have been disabled across the board 4866 if (DISABLE_EPHEMERAL_APPS) { 4867 return true; 4868 } 4869 // system isn't up yet; can't read settings, so, assume no ephemeral apps 4870 if (!mSystemReady) { 4871 return true; 4872 } 4873 // we can't get a content resolver until the system is ready; these checks must happen last 4874 final ContentResolver resolver = mContext.getContentResolver(); 4875 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 4876 return true; 4877 } 4878 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 4879 } 4880 4881 private boolean isEphemeralAllowed( 4882 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 4883 boolean skipPackageCheck) { 4884 // Short circuit and return early if possible. 4885 if (isEphemeralDisabled()) { 4886 return false; 4887 } 4888 final int callingUser = UserHandle.getCallingUserId(); 4889 if (callingUser != UserHandle.USER_SYSTEM) { 4890 return false; 4891 } 4892 if (mEphemeralResolverConnection == null) { 4893 return false; 4894 } 4895 if (intent.getComponent() != null) { 4896 return false; 4897 } 4898 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 4899 return false; 4900 } 4901 if (!skipPackageCheck && intent.getPackage() != null) { 4902 return false; 4903 } 4904 final boolean isWebUri = hasWebURI(intent); 4905 if (!isWebUri || intent.getData().getHost() == null) { 4906 return false; 4907 } 4908 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4909 synchronized (mPackages) { 4910 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 4911 for (int n = 0; n < count; n++) { 4912 ResolveInfo info = resolvedActivities.get(n); 4913 String packageName = info.activityInfo.packageName; 4914 PackageSetting ps = mSettings.mPackages.get(packageName); 4915 if (ps != null) { 4916 // Try to get the status from User settings first 4917 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4918 int status = (int) (packedStatus >> 32); 4919 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4920 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4921 if (DEBUG_EPHEMERAL) { 4922 Slog.v(TAG, "DENY ephemeral apps;" 4923 + " pkg: " + packageName + ", status: " + status); 4924 } 4925 return false; 4926 } 4927 } 4928 } 4929 } 4930 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4931 return true; 4932 } 4933 4934 private static EphemeralResolveInfo getEphemeralResolveInfo( 4935 Context context, EphemeralResolverConnection resolverConnection, Intent intent, 4936 String resolvedType, int userId, String packageName) { 4937 final int ephemeralPrefixMask = Global.getInt(context.getContentResolver(), 4938 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4939 final int ephemeralPrefixCount = Global.getInt(context.getContentResolver(), 4940 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4941 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4942 ephemeralPrefixCount); 4943 final int[] shaPrefix = digest.getDigestPrefix(); 4944 final byte[][] digestBytes = digest.getDigestBytes(); 4945 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4946 resolverConnection.getEphemeralResolveInfoList(shaPrefix, ephemeralPrefixMask); 4947 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4948 // No hash prefix match; there are no ephemeral apps for this domain. 4949 return null; 4950 } 4951 4952 // Go in reverse order so we match the narrowest scope first. 4953 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4954 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4955 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4956 continue; 4957 } 4958 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4959 // No filters; this should never happen. 4960 if (filters.isEmpty()) { 4961 continue; 4962 } 4963 if (packageName != null 4964 && !packageName.equals(ephemeralApplication.getPackageName())) { 4965 continue; 4966 } 4967 // We have a domain match; resolve the filters to see if anything matches. 4968 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4969 for (int j = filters.size() - 1; j >= 0; --j) { 4970 final EphemeralResolveIntentInfo intentInfo = 4971 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4972 ephemeralResolver.addFilter(intentInfo); 4973 } 4974 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4975 intent, resolvedType, false /*defaultOnly*/, userId); 4976 if (!matchedResolveInfoList.isEmpty()) { 4977 return matchedResolveInfoList.get(0); 4978 } 4979 } 4980 } 4981 // Hash or filter mis-match; no ephemeral apps for this domain. 4982 return null; 4983 } 4984 4985 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4986 int flags, List<ResolveInfo> query, int userId) { 4987 if (query != null) { 4988 final int N = query.size(); 4989 if (N == 1) { 4990 return query.get(0); 4991 } else if (N > 1) { 4992 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4993 // If there is more than one activity with the same priority, 4994 // then let the user decide between them. 4995 ResolveInfo r0 = query.get(0); 4996 ResolveInfo r1 = query.get(1); 4997 if (DEBUG_INTENT_MATCHING || debug) { 4998 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4999 + r1.activityInfo.name + "=" + r1.priority); 5000 } 5001 // If the first activity has a higher priority, or a different 5002 // default, then it is always desirable to pick it. 5003 if (r0.priority != r1.priority 5004 || r0.preferredOrder != r1.preferredOrder 5005 || r0.isDefault != r1.isDefault) { 5006 return query.get(0); 5007 } 5008 // If we have saved a preference for a preferred activity for 5009 // this Intent, use that. 5010 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5011 flags, query, r0.priority, true, false, debug, userId); 5012 if (ri != null) { 5013 return ri; 5014 } 5015 ri = new ResolveInfo(mResolveInfo); 5016 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5017 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5018 // If all of the options come from the same package, show the application's 5019 // label and icon instead of the generic resolver's. 5020 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5021 // and then throw away the ResolveInfo itself, meaning that the caller loses 5022 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5023 // a fallback for this case; we only set the target package's resources on 5024 // the ResolveInfo, not the ActivityInfo. 5025 final String intentPackage = intent.getPackage(); 5026 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5027 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5028 ri.resolvePackageName = intentPackage; 5029 if (userNeedsBadging(userId)) { 5030 ri.noResourceId = true; 5031 } else { 5032 ri.icon = appi.icon; 5033 } 5034 ri.iconResourceId = appi.icon; 5035 ri.labelRes = appi.labelRes; 5036 } 5037 ri.activityInfo.applicationInfo = new ApplicationInfo( 5038 ri.activityInfo.applicationInfo); 5039 if (userId != 0) { 5040 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5041 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5042 } 5043 // Make sure that the resolver is displayable in car mode 5044 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5045 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5046 return ri; 5047 } 5048 } 5049 return null; 5050 } 5051 5052 /** 5053 * Return true if the given list is not empty and all of its contents have 5054 * an activityInfo with the given package name. 5055 */ 5056 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5057 if (ArrayUtils.isEmpty(list)) { 5058 return false; 5059 } 5060 for (int i = 0, N = list.size(); i < N; i++) { 5061 final ResolveInfo ri = list.get(i); 5062 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5063 if (ai == null || !packageName.equals(ai.packageName)) { 5064 return false; 5065 } 5066 } 5067 return true; 5068 } 5069 5070 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5071 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5072 final int N = query.size(); 5073 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5074 .get(userId); 5075 // Get the list of persistent preferred activities that handle the intent 5076 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5077 List<PersistentPreferredActivity> pprefs = ppir != null 5078 ? ppir.queryIntent(intent, resolvedType, 5079 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5080 : null; 5081 if (pprefs != null && pprefs.size() > 0) { 5082 final int M = pprefs.size(); 5083 for (int i=0; i<M; i++) { 5084 final PersistentPreferredActivity ppa = pprefs.get(i); 5085 if (DEBUG_PREFERRED || debug) { 5086 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5087 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5088 + "\n component=" + ppa.mComponent); 5089 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5090 } 5091 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5092 flags | MATCH_DISABLED_COMPONENTS, userId); 5093 if (DEBUG_PREFERRED || debug) { 5094 Slog.v(TAG, "Found persistent preferred activity:"); 5095 if (ai != null) { 5096 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5097 } else { 5098 Slog.v(TAG, " null"); 5099 } 5100 } 5101 if (ai == null) { 5102 // This previously registered persistent preferred activity 5103 // component is no longer known. Ignore it and do NOT remove it. 5104 continue; 5105 } 5106 for (int j=0; j<N; j++) { 5107 final ResolveInfo ri = query.get(j); 5108 if (!ri.activityInfo.applicationInfo.packageName 5109 .equals(ai.applicationInfo.packageName)) { 5110 continue; 5111 } 5112 if (!ri.activityInfo.name.equals(ai.name)) { 5113 continue; 5114 } 5115 // Found a persistent preference that can handle the intent. 5116 if (DEBUG_PREFERRED || debug) { 5117 Slog.v(TAG, "Returning persistent preferred activity: " + 5118 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5119 } 5120 return ri; 5121 } 5122 } 5123 } 5124 return null; 5125 } 5126 5127 // TODO: handle preferred activities missing while user has amnesia 5128 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5129 List<ResolveInfo> query, int priority, boolean always, 5130 boolean removeMatches, boolean debug, int userId) { 5131 if (!sUserManager.exists(userId)) return null; 5132 flags = updateFlagsForResolve(flags, userId, intent); 5133 // writer 5134 synchronized (mPackages) { 5135 if (intent.getSelector() != null) { 5136 intent = intent.getSelector(); 5137 } 5138 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5139 5140 // Try to find a matching persistent preferred activity. 5141 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5142 debug, userId); 5143 5144 // If a persistent preferred activity matched, use it. 5145 if (pri != null) { 5146 return pri; 5147 } 5148 5149 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5150 // Get the list of preferred activities that handle the intent 5151 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5152 List<PreferredActivity> prefs = pir != null 5153 ? pir.queryIntent(intent, resolvedType, 5154 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5155 : null; 5156 if (prefs != null && prefs.size() > 0) { 5157 boolean changed = false; 5158 try { 5159 // First figure out how good the original match set is. 5160 // We will only allow preferred activities that came 5161 // from the same match quality. 5162 int match = 0; 5163 5164 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5165 5166 final int N = query.size(); 5167 for (int j=0; j<N; j++) { 5168 final ResolveInfo ri = query.get(j); 5169 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5170 + ": 0x" + Integer.toHexString(match)); 5171 if (ri.match > match) { 5172 match = ri.match; 5173 } 5174 } 5175 5176 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5177 + Integer.toHexString(match)); 5178 5179 match &= IntentFilter.MATCH_CATEGORY_MASK; 5180 final int M = prefs.size(); 5181 for (int i=0; i<M; i++) { 5182 final PreferredActivity pa = prefs.get(i); 5183 if (DEBUG_PREFERRED || debug) { 5184 Slog.v(TAG, "Checking PreferredActivity ds=" 5185 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5186 + "\n component=" + pa.mPref.mComponent); 5187 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5188 } 5189 if (pa.mPref.mMatch != match) { 5190 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5191 + Integer.toHexString(pa.mPref.mMatch)); 5192 continue; 5193 } 5194 // If it's not an "always" type preferred activity and that's what we're 5195 // looking for, skip it. 5196 if (always && !pa.mPref.mAlways) { 5197 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5198 continue; 5199 } 5200 final ActivityInfo ai = getActivityInfo( 5201 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5202 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5203 userId); 5204 if (DEBUG_PREFERRED || debug) { 5205 Slog.v(TAG, "Found preferred activity:"); 5206 if (ai != null) { 5207 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5208 } else { 5209 Slog.v(TAG, " null"); 5210 } 5211 } 5212 if (ai == null) { 5213 // This previously registered preferred activity 5214 // component is no longer known. Most likely an update 5215 // to the app was installed and in the new version this 5216 // component no longer exists. Clean it up by removing 5217 // it from the preferred activities list, and skip it. 5218 Slog.w(TAG, "Removing dangling preferred activity: " 5219 + pa.mPref.mComponent); 5220 pir.removeFilter(pa); 5221 changed = true; 5222 continue; 5223 } 5224 for (int j=0; j<N; j++) { 5225 final ResolveInfo ri = query.get(j); 5226 if (!ri.activityInfo.applicationInfo.packageName 5227 .equals(ai.applicationInfo.packageName)) { 5228 continue; 5229 } 5230 if (!ri.activityInfo.name.equals(ai.name)) { 5231 continue; 5232 } 5233 5234 if (removeMatches) { 5235 pir.removeFilter(pa); 5236 changed = true; 5237 if (DEBUG_PREFERRED) { 5238 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5239 } 5240 break; 5241 } 5242 5243 // Okay we found a previously set preferred or last chosen app. 5244 // If the result set is different from when this 5245 // was created, we need to clear it and re-ask the 5246 // user their preference, if we're looking for an "always" type entry. 5247 if (always && !pa.mPref.sameSet(query)) { 5248 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5249 + intent + " type " + resolvedType); 5250 if (DEBUG_PREFERRED) { 5251 Slog.v(TAG, "Removing preferred activity since set changed " 5252 + pa.mPref.mComponent); 5253 } 5254 pir.removeFilter(pa); 5255 // Re-add the filter as a "last chosen" entry (!always) 5256 PreferredActivity lastChosen = new PreferredActivity( 5257 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5258 pir.addFilter(lastChosen); 5259 changed = true; 5260 return null; 5261 } 5262 5263 // Yay! Either the set matched or we're looking for the last chosen 5264 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5265 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5266 return ri; 5267 } 5268 } 5269 } finally { 5270 if (changed) { 5271 if (DEBUG_PREFERRED) { 5272 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5273 } 5274 scheduleWritePackageRestrictionsLocked(userId); 5275 } 5276 } 5277 } 5278 } 5279 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5280 return null; 5281 } 5282 5283 /* 5284 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5285 */ 5286 @Override 5287 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5288 int targetUserId) { 5289 mContext.enforceCallingOrSelfPermission( 5290 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5291 List<CrossProfileIntentFilter> matches = 5292 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5293 if (matches != null) { 5294 int size = matches.size(); 5295 for (int i = 0; i < size; i++) { 5296 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5297 } 5298 } 5299 if (hasWebURI(intent)) { 5300 // cross-profile app linking works only towards the parent. 5301 final UserInfo parent = getProfileParent(sourceUserId); 5302 synchronized(mPackages) { 5303 int flags = updateFlagsForResolve(0, parent.id, intent); 5304 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5305 intent, resolvedType, flags, sourceUserId, parent.id); 5306 return xpDomainInfo != null; 5307 } 5308 } 5309 return false; 5310 } 5311 5312 private UserInfo getProfileParent(int userId) { 5313 final long identity = Binder.clearCallingIdentity(); 5314 try { 5315 return sUserManager.getProfileParent(userId); 5316 } finally { 5317 Binder.restoreCallingIdentity(identity); 5318 } 5319 } 5320 5321 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5322 String resolvedType, int userId) { 5323 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5324 if (resolver != null) { 5325 return resolver.queryIntent(intent, resolvedType, false, userId); 5326 } 5327 return null; 5328 } 5329 5330 @Override 5331 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5332 String resolvedType, int flags, int userId) { 5333 try { 5334 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5335 5336 return new ParceledListSlice<>( 5337 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5338 } finally { 5339 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5340 } 5341 } 5342 5343 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5344 String resolvedType, int flags, int userId) { 5345 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5346 flags = updateFlagsForResolve(flags, userId, intent); 5347 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5348 false /* requireFullPermission */, false /* checkShell */, 5349 "query intent activities"); 5350 ComponentName comp = intent.getComponent(); 5351 if (comp == null) { 5352 if (intent.getSelector() != null) { 5353 intent = intent.getSelector(); 5354 comp = intent.getComponent(); 5355 } 5356 } 5357 5358 if (comp != null) { 5359 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5360 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5361 if (ai != null) { 5362 final ResolveInfo ri = new ResolveInfo(); 5363 ri.activityInfo = ai; 5364 list.add(ri); 5365 } 5366 return list; 5367 } 5368 5369 // reader 5370 boolean sortResult = false; 5371 boolean addEphemeral = false; 5372 boolean matchEphemeralPackage = false; 5373 List<ResolveInfo> result; 5374 final String pkgName = intent.getPackage(); 5375 synchronized (mPackages) { 5376 if (pkgName == null) { 5377 List<CrossProfileIntentFilter> matchingFilters = 5378 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5379 // Check for results that need to skip the current profile. 5380 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5381 resolvedType, flags, userId); 5382 if (xpResolveInfo != null) { 5383 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5384 xpResult.add(xpResolveInfo); 5385 return filterIfNotSystemUser(xpResult, userId); 5386 } 5387 5388 // Check for results in the current profile. 5389 result = filterIfNotSystemUser(mActivities.queryIntent( 5390 intent, resolvedType, flags, userId), userId); 5391 addEphemeral = 5392 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5393 5394 // Check for cross profile results. 5395 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5396 xpResolveInfo = queryCrossProfileIntents( 5397 matchingFilters, intent, resolvedType, flags, userId, 5398 hasNonNegativePriorityResult); 5399 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5400 boolean isVisibleToUser = filterIfNotSystemUser( 5401 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5402 if (isVisibleToUser) { 5403 result.add(xpResolveInfo); 5404 sortResult = true; 5405 } 5406 } 5407 if (hasWebURI(intent)) { 5408 CrossProfileDomainInfo xpDomainInfo = null; 5409 final UserInfo parent = getProfileParent(userId); 5410 if (parent != null) { 5411 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5412 flags, userId, parent.id); 5413 } 5414 if (xpDomainInfo != null) { 5415 if (xpResolveInfo != null) { 5416 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5417 // in the result. 5418 result.remove(xpResolveInfo); 5419 } 5420 if (result.size() == 0 && !addEphemeral) { 5421 result.add(xpDomainInfo.resolveInfo); 5422 return result; 5423 } 5424 } 5425 if (result.size() > 1 || addEphemeral) { 5426 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5427 intent, flags, result, xpDomainInfo, userId); 5428 sortResult = true; 5429 } 5430 } 5431 } else { 5432 final PackageParser.Package pkg = mPackages.get(pkgName); 5433 if (pkg != null) { 5434 result = filterIfNotSystemUser( 5435 mActivities.queryIntentForPackage( 5436 intent, resolvedType, flags, pkg.activities, userId), 5437 userId); 5438 } else { 5439 // the caller wants to resolve for a particular package; however, there 5440 // were no installed results, so, try to find an ephemeral result 5441 addEphemeral = isEphemeralAllowed( 5442 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5443 matchEphemeralPackage = true; 5444 result = new ArrayList<ResolveInfo>(); 5445 } 5446 } 5447 } 5448 if (addEphemeral) { 5449 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5450 final EphemeralResolveInfo ai = getEphemeralResolveInfo( 5451 mContext, mEphemeralResolverConnection, intent, resolvedType, userId, 5452 matchEphemeralPackage ? pkgName : null); 5453 if (ai != null) { 5454 if (DEBUG_EPHEMERAL) { 5455 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5456 } 5457 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5458 ephemeralInstaller.ephemeralResolveInfo = ai; 5459 // make sure this resolver is the default 5460 ephemeralInstaller.isDefault = true; 5461 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5462 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5463 // add a non-generic filter 5464 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5465 ephemeralInstaller.filter.addDataPath( 5466 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5467 result.add(ephemeralInstaller); 5468 } 5469 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5470 } 5471 if (sortResult) { 5472 Collections.sort(result, mResolvePrioritySorter); 5473 } 5474 return result; 5475 } 5476 5477 private static class CrossProfileDomainInfo { 5478 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5479 ResolveInfo resolveInfo; 5480 /* Best domain verification status of the activities found in the other profile */ 5481 int bestDomainVerificationStatus; 5482 } 5483 5484 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5485 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5486 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5487 sourceUserId)) { 5488 return null; 5489 } 5490 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5491 resolvedType, flags, parentUserId); 5492 5493 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5494 return null; 5495 } 5496 CrossProfileDomainInfo result = null; 5497 int size = resultTargetUser.size(); 5498 for (int i = 0; i < size; i++) { 5499 ResolveInfo riTargetUser = resultTargetUser.get(i); 5500 // Intent filter verification is only for filters that specify a host. So don't return 5501 // those that handle all web uris. 5502 if (riTargetUser.handleAllWebDataURI) { 5503 continue; 5504 } 5505 String packageName = riTargetUser.activityInfo.packageName; 5506 PackageSetting ps = mSettings.mPackages.get(packageName); 5507 if (ps == null) { 5508 continue; 5509 } 5510 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5511 int status = (int)(verificationState >> 32); 5512 if (result == null) { 5513 result = new CrossProfileDomainInfo(); 5514 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5515 sourceUserId, parentUserId); 5516 result.bestDomainVerificationStatus = status; 5517 } else { 5518 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5519 result.bestDomainVerificationStatus); 5520 } 5521 } 5522 // Don't consider matches with status NEVER across profiles. 5523 if (result != null && result.bestDomainVerificationStatus 5524 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5525 return null; 5526 } 5527 return result; 5528 } 5529 5530 /** 5531 * Verification statuses are ordered from the worse to the best, except for 5532 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5533 */ 5534 private int bestDomainVerificationStatus(int status1, int status2) { 5535 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5536 return status2; 5537 } 5538 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5539 return status1; 5540 } 5541 return (int) MathUtils.max(status1, status2); 5542 } 5543 5544 private boolean isUserEnabled(int userId) { 5545 long callingId = Binder.clearCallingIdentity(); 5546 try { 5547 UserInfo userInfo = sUserManager.getUserInfo(userId); 5548 return userInfo != null && userInfo.isEnabled(); 5549 } finally { 5550 Binder.restoreCallingIdentity(callingId); 5551 } 5552 } 5553 5554 /** 5555 * Filter out activities with systemUserOnly flag set, when current user is not System. 5556 * 5557 * @return filtered list 5558 */ 5559 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5560 if (userId == UserHandle.USER_SYSTEM) { 5561 return resolveInfos; 5562 } 5563 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5564 ResolveInfo info = resolveInfos.get(i); 5565 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5566 resolveInfos.remove(i); 5567 } 5568 } 5569 return resolveInfos; 5570 } 5571 5572 /** 5573 * @param resolveInfos list of resolve infos in descending priority order 5574 * @return if the list contains a resolve info with non-negative priority 5575 */ 5576 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5577 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5578 } 5579 5580 private static boolean hasWebURI(Intent intent) { 5581 if (intent.getData() == null) { 5582 return false; 5583 } 5584 final String scheme = intent.getScheme(); 5585 if (TextUtils.isEmpty(scheme)) { 5586 return false; 5587 } 5588 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5589 } 5590 5591 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5592 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5593 int userId) { 5594 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5595 5596 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5597 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5598 candidates.size()); 5599 } 5600 5601 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5602 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5603 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5604 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5605 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5606 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5607 5608 synchronized (mPackages) { 5609 final int count = candidates.size(); 5610 // First, try to use linked apps. Partition the candidates into four lists: 5611 // one for the final results, one for the "do not use ever", one for "undefined status" 5612 // and finally one for "browser app type". 5613 for (int n=0; n<count; n++) { 5614 ResolveInfo info = candidates.get(n); 5615 String packageName = info.activityInfo.packageName; 5616 PackageSetting ps = mSettings.mPackages.get(packageName); 5617 if (ps != null) { 5618 // Add to the special match all list (Browser use case) 5619 if (info.handleAllWebDataURI) { 5620 matchAllList.add(info); 5621 continue; 5622 } 5623 // Try to get the status from User settings first 5624 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5625 int status = (int)(packedStatus >> 32); 5626 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5627 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5628 if (DEBUG_DOMAIN_VERIFICATION) { 5629 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5630 + " : linkgen=" + linkGeneration); 5631 } 5632 // Use link-enabled generation as preferredOrder, i.e. 5633 // prefer newly-enabled over earlier-enabled. 5634 info.preferredOrder = linkGeneration; 5635 alwaysList.add(info); 5636 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5637 if (DEBUG_DOMAIN_VERIFICATION) { 5638 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5639 } 5640 neverList.add(info); 5641 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5642 if (DEBUG_DOMAIN_VERIFICATION) { 5643 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5644 } 5645 alwaysAskList.add(info); 5646 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5647 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5648 if (DEBUG_DOMAIN_VERIFICATION) { 5649 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5650 } 5651 undefinedList.add(info); 5652 } 5653 } 5654 } 5655 5656 // We'll want to include browser possibilities in a few cases 5657 boolean includeBrowser = false; 5658 5659 // First try to add the "always" resolution(s) for the current user, if any 5660 if (alwaysList.size() > 0) { 5661 result.addAll(alwaysList); 5662 } else { 5663 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5664 result.addAll(undefinedList); 5665 // Maybe add one for the other profile. 5666 if (xpDomainInfo != null && ( 5667 xpDomainInfo.bestDomainVerificationStatus 5668 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5669 result.add(xpDomainInfo.resolveInfo); 5670 } 5671 includeBrowser = true; 5672 } 5673 5674 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5675 // If there were 'always' entries their preferred order has been set, so we also 5676 // back that off to make the alternatives equivalent 5677 if (alwaysAskList.size() > 0) { 5678 for (ResolveInfo i : result) { 5679 i.preferredOrder = 0; 5680 } 5681 result.addAll(alwaysAskList); 5682 includeBrowser = true; 5683 } 5684 5685 if (includeBrowser) { 5686 // Also add browsers (all of them or only the default one) 5687 if (DEBUG_DOMAIN_VERIFICATION) { 5688 Slog.v(TAG, " ...including browsers in candidate set"); 5689 } 5690 if ((matchFlags & MATCH_ALL) != 0) { 5691 result.addAll(matchAllList); 5692 } else { 5693 // Browser/generic handling case. If there's a default browser, go straight 5694 // to that (but only if there is no other higher-priority match). 5695 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5696 int maxMatchPrio = 0; 5697 ResolveInfo defaultBrowserMatch = null; 5698 final int numCandidates = matchAllList.size(); 5699 for (int n = 0; n < numCandidates; n++) { 5700 ResolveInfo info = matchAllList.get(n); 5701 // track the highest overall match priority... 5702 if (info.priority > maxMatchPrio) { 5703 maxMatchPrio = info.priority; 5704 } 5705 // ...and the highest-priority default browser match 5706 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5707 if (defaultBrowserMatch == null 5708 || (defaultBrowserMatch.priority < info.priority)) { 5709 if (debug) { 5710 Slog.v(TAG, "Considering default browser match " + info); 5711 } 5712 defaultBrowserMatch = info; 5713 } 5714 } 5715 } 5716 if (defaultBrowserMatch != null 5717 && defaultBrowserMatch.priority >= maxMatchPrio 5718 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5719 { 5720 if (debug) { 5721 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5722 } 5723 result.add(defaultBrowserMatch); 5724 } else { 5725 result.addAll(matchAllList); 5726 } 5727 } 5728 5729 // If there is nothing selected, add all candidates and remove the ones that the user 5730 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5731 if (result.size() == 0) { 5732 result.addAll(candidates); 5733 result.removeAll(neverList); 5734 } 5735 } 5736 } 5737 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5738 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5739 result.size()); 5740 for (ResolveInfo info : result) { 5741 Slog.v(TAG, " + " + info.activityInfo); 5742 } 5743 } 5744 return result; 5745 } 5746 5747 // Returns a packed value as a long: 5748 // 5749 // high 'int'-sized word: link status: undefined/ask/never/always. 5750 // low 'int'-sized word: relative priority among 'always' results. 5751 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5752 long result = ps.getDomainVerificationStatusForUser(userId); 5753 // if none available, get the master status 5754 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5755 if (ps.getIntentFilterVerificationInfo() != null) { 5756 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5757 } 5758 } 5759 return result; 5760 } 5761 5762 private ResolveInfo querySkipCurrentProfileIntents( 5763 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5764 int flags, int sourceUserId) { 5765 if (matchingFilters != null) { 5766 int size = matchingFilters.size(); 5767 for (int i = 0; i < size; i ++) { 5768 CrossProfileIntentFilter filter = matchingFilters.get(i); 5769 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5770 // Checking if there are activities in the target user that can handle the 5771 // intent. 5772 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5773 resolvedType, flags, sourceUserId); 5774 if (resolveInfo != null) { 5775 return resolveInfo; 5776 } 5777 } 5778 } 5779 } 5780 return null; 5781 } 5782 5783 // Return matching ResolveInfo in target user if any. 5784 private ResolveInfo queryCrossProfileIntents( 5785 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5786 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5787 if (matchingFilters != null) { 5788 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5789 // match the same intent. For performance reasons, it is better not to 5790 // run queryIntent twice for the same userId 5791 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5792 int size = matchingFilters.size(); 5793 for (int i = 0; i < size; i++) { 5794 CrossProfileIntentFilter filter = matchingFilters.get(i); 5795 int targetUserId = filter.getTargetUserId(); 5796 boolean skipCurrentProfile = 5797 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5798 boolean skipCurrentProfileIfNoMatchFound = 5799 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5800 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5801 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5802 // Checking if there are activities in the target user that can handle the 5803 // intent. 5804 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5805 resolvedType, flags, sourceUserId); 5806 if (resolveInfo != null) return resolveInfo; 5807 alreadyTriedUserIds.put(targetUserId, true); 5808 } 5809 } 5810 } 5811 return null; 5812 } 5813 5814 /** 5815 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5816 * will forward the intent to the filter's target user. 5817 * Otherwise, returns null. 5818 */ 5819 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5820 String resolvedType, int flags, int sourceUserId) { 5821 int targetUserId = filter.getTargetUserId(); 5822 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5823 resolvedType, flags, targetUserId); 5824 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5825 // If all the matches in the target profile are suspended, return null. 5826 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5827 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5828 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5829 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5830 targetUserId); 5831 } 5832 } 5833 } 5834 return null; 5835 } 5836 5837 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5838 int sourceUserId, int targetUserId) { 5839 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5840 long ident = Binder.clearCallingIdentity(); 5841 boolean targetIsProfile; 5842 try { 5843 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5844 } finally { 5845 Binder.restoreCallingIdentity(ident); 5846 } 5847 String className; 5848 if (targetIsProfile) { 5849 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5850 } else { 5851 className = FORWARD_INTENT_TO_PARENT; 5852 } 5853 ComponentName forwardingActivityComponentName = new ComponentName( 5854 mAndroidApplication.packageName, className); 5855 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5856 sourceUserId); 5857 if (!targetIsProfile) { 5858 forwardingActivityInfo.showUserIcon = targetUserId; 5859 forwardingResolveInfo.noResourceId = true; 5860 } 5861 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5862 forwardingResolveInfo.priority = 0; 5863 forwardingResolveInfo.preferredOrder = 0; 5864 forwardingResolveInfo.match = 0; 5865 forwardingResolveInfo.isDefault = true; 5866 forwardingResolveInfo.filter = filter; 5867 forwardingResolveInfo.targetUserId = targetUserId; 5868 return forwardingResolveInfo; 5869 } 5870 5871 @Override 5872 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5873 Intent[] specifics, String[] specificTypes, Intent intent, 5874 String resolvedType, int flags, int userId) { 5875 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5876 specificTypes, intent, resolvedType, flags, userId)); 5877 } 5878 5879 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5880 Intent[] specifics, String[] specificTypes, Intent intent, 5881 String resolvedType, int flags, int userId) { 5882 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5883 flags = updateFlagsForResolve(flags, userId, intent); 5884 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5885 false /* requireFullPermission */, false /* checkShell */, 5886 "query intent activity options"); 5887 final String resultsAction = intent.getAction(); 5888 5889 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5890 | PackageManager.GET_RESOLVED_FILTER, userId); 5891 5892 if (DEBUG_INTENT_MATCHING) { 5893 Log.v(TAG, "Query " + intent + ": " + results); 5894 } 5895 5896 int specificsPos = 0; 5897 int N; 5898 5899 // todo: note that the algorithm used here is O(N^2). This 5900 // isn't a problem in our current environment, but if we start running 5901 // into situations where we have more than 5 or 10 matches then this 5902 // should probably be changed to something smarter... 5903 5904 // First we go through and resolve each of the specific items 5905 // that were supplied, taking care of removing any corresponding 5906 // duplicate items in the generic resolve list. 5907 if (specifics != null) { 5908 for (int i=0; i<specifics.length; i++) { 5909 final Intent sintent = specifics[i]; 5910 if (sintent == null) { 5911 continue; 5912 } 5913 5914 if (DEBUG_INTENT_MATCHING) { 5915 Log.v(TAG, "Specific #" + i + ": " + sintent); 5916 } 5917 5918 String action = sintent.getAction(); 5919 if (resultsAction != null && resultsAction.equals(action)) { 5920 // If this action was explicitly requested, then don't 5921 // remove things that have it. 5922 action = null; 5923 } 5924 5925 ResolveInfo ri = null; 5926 ActivityInfo ai = null; 5927 5928 ComponentName comp = sintent.getComponent(); 5929 if (comp == null) { 5930 ri = resolveIntent( 5931 sintent, 5932 specificTypes != null ? specificTypes[i] : null, 5933 flags, userId); 5934 if (ri == null) { 5935 continue; 5936 } 5937 if (ri == mResolveInfo) { 5938 // ACK! Must do something better with this. 5939 } 5940 ai = ri.activityInfo; 5941 comp = new ComponentName(ai.applicationInfo.packageName, 5942 ai.name); 5943 } else { 5944 ai = getActivityInfo(comp, flags, userId); 5945 if (ai == null) { 5946 continue; 5947 } 5948 } 5949 5950 // Look for any generic query activities that are duplicates 5951 // of this specific one, and remove them from the results. 5952 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5953 N = results.size(); 5954 int j; 5955 for (j=specificsPos; j<N; j++) { 5956 ResolveInfo sri = results.get(j); 5957 if ((sri.activityInfo.name.equals(comp.getClassName()) 5958 && sri.activityInfo.applicationInfo.packageName.equals( 5959 comp.getPackageName())) 5960 || (action != null && sri.filter.matchAction(action))) { 5961 results.remove(j); 5962 if (DEBUG_INTENT_MATCHING) Log.v( 5963 TAG, "Removing duplicate item from " + j 5964 + " due to specific " + specificsPos); 5965 if (ri == null) { 5966 ri = sri; 5967 } 5968 j--; 5969 N--; 5970 } 5971 } 5972 5973 // Add this specific item to its proper place. 5974 if (ri == null) { 5975 ri = new ResolveInfo(); 5976 ri.activityInfo = ai; 5977 } 5978 results.add(specificsPos, ri); 5979 ri.specificIndex = i; 5980 specificsPos++; 5981 } 5982 } 5983 5984 // Now we go through the remaining generic results and remove any 5985 // duplicate actions that are found here. 5986 N = results.size(); 5987 for (int i=specificsPos; i<N-1; i++) { 5988 final ResolveInfo rii = results.get(i); 5989 if (rii.filter == null) { 5990 continue; 5991 } 5992 5993 // Iterate over all of the actions of this result's intent 5994 // filter... typically this should be just one. 5995 final Iterator<String> it = rii.filter.actionsIterator(); 5996 if (it == null) { 5997 continue; 5998 } 5999 while (it.hasNext()) { 6000 final String action = it.next(); 6001 if (resultsAction != null && resultsAction.equals(action)) { 6002 // If this action was explicitly requested, then don't 6003 // remove things that have it. 6004 continue; 6005 } 6006 for (int j=i+1; j<N; j++) { 6007 final ResolveInfo rij = results.get(j); 6008 if (rij.filter != null && rij.filter.hasAction(action)) { 6009 results.remove(j); 6010 if (DEBUG_INTENT_MATCHING) Log.v( 6011 TAG, "Removing duplicate item from " + j 6012 + " due to action " + action + " at " + i); 6013 j--; 6014 N--; 6015 } 6016 } 6017 } 6018 6019 // If the caller didn't request filter information, drop it now 6020 // so we don't have to marshall/unmarshall it. 6021 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6022 rii.filter = null; 6023 } 6024 } 6025 6026 // Filter out the caller activity if so requested. 6027 if (caller != null) { 6028 N = results.size(); 6029 for (int i=0; i<N; i++) { 6030 ActivityInfo ainfo = results.get(i).activityInfo; 6031 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6032 && caller.getClassName().equals(ainfo.name)) { 6033 results.remove(i); 6034 break; 6035 } 6036 } 6037 } 6038 6039 // If the caller didn't request filter information, 6040 // drop them now so we don't have to 6041 // marshall/unmarshall it. 6042 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6043 N = results.size(); 6044 for (int i=0; i<N; i++) { 6045 results.get(i).filter = null; 6046 } 6047 } 6048 6049 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6050 return results; 6051 } 6052 6053 @Override 6054 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6055 String resolvedType, int flags, int userId) { 6056 return new ParceledListSlice<>( 6057 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6058 } 6059 6060 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6061 String resolvedType, int flags, int userId) { 6062 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6063 flags = updateFlagsForResolve(flags, userId, intent); 6064 ComponentName comp = intent.getComponent(); 6065 if (comp == null) { 6066 if (intent.getSelector() != null) { 6067 intent = intent.getSelector(); 6068 comp = intent.getComponent(); 6069 } 6070 } 6071 if (comp != null) { 6072 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6073 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6074 if (ai != null) { 6075 ResolveInfo ri = new ResolveInfo(); 6076 ri.activityInfo = ai; 6077 list.add(ri); 6078 } 6079 return list; 6080 } 6081 6082 // reader 6083 synchronized (mPackages) { 6084 String pkgName = intent.getPackage(); 6085 if (pkgName == null) { 6086 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6087 } 6088 final PackageParser.Package pkg = mPackages.get(pkgName); 6089 if (pkg != null) { 6090 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6091 userId); 6092 } 6093 return Collections.emptyList(); 6094 } 6095 } 6096 6097 @Override 6098 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6099 if (!sUserManager.exists(userId)) return null; 6100 flags = updateFlagsForResolve(flags, userId, intent); 6101 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6102 if (query != null) { 6103 if (query.size() >= 1) { 6104 // If there is more than one service with the same priority, 6105 // just arbitrarily pick the first one. 6106 return query.get(0); 6107 } 6108 } 6109 return null; 6110 } 6111 6112 @Override 6113 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6114 String resolvedType, int flags, int userId) { 6115 return new ParceledListSlice<>( 6116 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6117 } 6118 6119 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6120 String resolvedType, int flags, int userId) { 6121 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6122 flags = updateFlagsForResolve(flags, userId, intent); 6123 ComponentName comp = intent.getComponent(); 6124 if (comp == null) { 6125 if (intent.getSelector() != null) { 6126 intent = intent.getSelector(); 6127 comp = intent.getComponent(); 6128 } 6129 } 6130 if (comp != null) { 6131 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6132 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6133 if (si != null) { 6134 final ResolveInfo ri = new ResolveInfo(); 6135 ri.serviceInfo = si; 6136 list.add(ri); 6137 } 6138 return list; 6139 } 6140 6141 // reader 6142 synchronized (mPackages) { 6143 String pkgName = intent.getPackage(); 6144 if (pkgName == null) { 6145 return mServices.queryIntent(intent, resolvedType, flags, userId); 6146 } 6147 final PackageParser.Package pkg = mPackages.get(pkgName); 6148 if (pkg != null) { 6149 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6150 userId); 6151 } 6152 return Collections.emptyList(); 6153 } 6154 } 6155 6156 @Override 6157 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6158 String resolvedType, int flags, int userId) { 6159 return new ParceledListSlice<>( 6160 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6161 } 6162 6163 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6164 Intent intent, String resolvedType, int flags, int userId) { 6165 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6166 flags = updateFlagsForResolve(flags, userId, intent); 6167 ComponentName comp = intent.getComponent(); 6168 if (comp == null) { 6169 if (intent.getSelector() != null) { 6170 intent = intent.getSelector(); 6171 comp = intent.getComponent(); 6172 } 6173 } 6174 if (comp != null) { 6175 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6176 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6177 if (pi != null) { 6178 final ResolveInfo ri = new ResolveInfo(); 6179 ri.providerInfo = pi; 6180 list.add(ri); 6181 } 6182 return list; 6183 } 6184 6185 // reader 6186 synchronized (mPackages) { 6187 String pkgName = intent.getPackage(); 6188 if (pkgName == null) { 6189 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6190 } 6191 final PackageParser.Package pkg = mPackages.get(pkgName); 6192 if (pkg != null) { 6193 return mProviders.queryIntentForPackage( 6194 intent, resolvedType, flags, pkg.providers, userId); 6195 } 6196 return Collections.emptyList(); 6197 } 6198 } 6199 6200 @Override 6201 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6202 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6203 flags = updateFlagsForPackage(flags, userId, null); 6204 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6205 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6206 true /* requireFullPermission */, false /* checkShell */, 6207 "get installed packages"); 6208 6209 // writer 6210 synchronized (mPackages) { 6211 ArrayList<PackageInfo> list; 6212 if (listUninstalled) { 6213 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6214 for (PackageSetting ps : mSettings.mPackages.values()) { 6215 final PackageInfo pi; 6216 if (ps.pkg != null) { 6217 pi = generatePackageInfo(ps, flags, userId); 6218 } else { 6219 pi = generatePackageInfo(ps, flags, userId); 6220 } 6221 if (pi != null) { 6222 list.add(pi); 6223 } 6224 } 6225 } else { 6226 list = new ArrayList<PackageInfo>(mPackages.size()); 6227 for (PackageParser.Package p : mPackages.values()) { 6228 final PackageInfo pi = 6229 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6230 if (pi != null) { 6231 list.add(pi); 6232 } 6233 } 6234 } 6235 6236 return new ParceledListSlice<PackageInfo>(list); 6237 } 6238 } 6239 6240 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6241 String[] permissions, boolean[] tmp, int flags, int userId) { 6242 int numMatch = 0; 6243 final PermissionsState permissionsState = ps.getPermissionsState(); 6244 for (int i=0; i<permissions.length; i++) { 6245 final String permission = permissions[i]; 6246 if (permissionsState.hasPermission(permission, userId)) { 6247 tmp[i] = true; 6248 numMatch++; 6249 } else { 6250 tmp[i] = false; 6251 } 6252 } 6253 if (numMatch == 0) { 6254 return; 6255 } 6256 final PackageInfo pi; 6257 if (ps.pkg != null) { 6258 pi = generatePackageInfo(ps, flags, userId); 6259 } else { 6260 pi = generatePackageInfo(ps, flags, userId); 6261 } 6262 // The above might return null in cases of uninstalled apps or install-state 6263 // skew across users/profiles. 6264 if (pi != null) { 6265 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6266 if (numMatch == permissions.length) { 6267 pi.requestedPermissions = permissions; 6268 } else { 6269 pi.requestedPermissions = new String[numMatch]; 6270 numMatch = 0; 6271 for (int i=0; i<permissions.length; i++) { 6272 if (tmp[i]) { 6273 pi.requestedPermissions[numMatch] = permissions[i]; 6274 numMatch++; 6275 } 6276 } 6277 } 6278 } 6279 list.add(pi); 6280 } 6281 } 6282 6283 @Override 6284 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6285 String[] permissions, int flags, int userId) { 6286 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6287 flags = updateFlagsForPackage(flags, userId, permissions); 6288 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6289 6290 // writer 6291 synchronized (mPackages) { 6292 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6293 boolean[] tmpBools = new boolean[permissions.length]; 6294 if (listUninstalled) { 6295 for (PackageSetting ps : mSettings.mPackages.values()) { 6296 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6297 } 6298 } else { 6299 for (PackageParser.Package pkg : mPackages.values()) { 6300 PackageSetting ps = (PackageSetting)pkg.mExtras; 6301 if (ps != null) { 6302 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6303 userId); 6304 } 6305 } 6306 } 6307 6308 return new ParceledListSlice<PackageInfo>(list); 6309 } 6310 } 6311 6312 @Override 6313 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6314 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6315 flags = updateFlagsForApplication(flags, userId, null); 6316 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6317 6318 // writer 6319 synchronized (mPackages) { 6320 ArrayList<ApplicationInfo> list; 6321 if (listUninstalled) { 6322 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6323 for (PackageSetting ps : mSettings.mPackages.values()) { 6324 ApplicationInfo ai; 6325 if (ps.pkg != null) { 6326 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6327 ps.readUserState(userId), userId); 6328 } else { 6329 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6330 } 6331 if (ai != null) { 6332 list.add(ai); 6333 } 6334 } 6335 } else { 6336 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6337 for (PackageParser.Package p : mPackages.values()) { 6338 if (p.mExtras != null) { 6339 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6340 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6341 if (ai != null) { 6342 list.add(ai); 6343 } 6344 } 6345 } 6346 } 6347 6348 return new ParceledListSlice<ApplicationInfo>(list); 6349 } 6350 } 6351 6352 @Override 6353 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6354 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6355 return null; 6356 } 6357 6358 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6359 "getEphemeralApplications"); 6360 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6361 true /* requireFullPermission */, false /* checkShell */, 6362 "getEphemeralApplications"); 6363 synchronized (mPackages) { 6364 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6365 .getEphemeralApplicationsLPw(userId); 6366 if (ephemeralApps != null) { 6367 return new ParceledListSlice<>(ephemeralApps); 6368 } 6369 } 6370 return null; 6371 } 6372 6373 @Override 6374 public boolean isEphemeralApplication(String packageName, int userId) { 6375 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6376 true /* requireFullPermission */, false /* checkShell */, 6377 "isEphemeral"); 6378 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6379 return false; 6380 } 6381 6382 if (!isCallerSameApp(packageName)) { 6383 return false; 6384 } 6385 synchronized (mPackages) { 6386 PackageParser.Package pkg = mPackages.get(packageName); 6387 if (pkg != null) { 6388 return pkg.applicationInfo.isEphemeralApp(); 6389 } 6390 } 6391 return false; 6392 } 6393 6394 @Override 6395 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6396 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6397 return null; 6398 } 6399 6400 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6401 true /* requireFullPermission */, false /* checkShell */, 6402 "getCookie"); 6403 if (!isCallerSameApp(packageName)) { 6404 return null; 6405 } 6406 synchronized (mPackages) { 6407 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6408 packageName, userId); 6409 } 6410 } 6411 6412 @Override 6413 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6414 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6415 return true; 6416 } 6417 6418 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6419 true /* requireFullPermission */, true /* checkShell */, 6420 "setCookie"); 6421 if (!isCallerSameApp(packageName)) { 6422 return false; 6423 } 6424 synchronized (mPackages) { 6425 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6426 packageName, cookie, userId); 6427 } 6428 } 6429 6430 @Override 6431 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6432 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6433 return null; 6434 } 6435 6436 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6437 "getEphemeralApplicationIcon"); 6438 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6439 true /* requireFullPermission */, false /* checkShell */, 6440 "getEphemeralApplicationIcon"); 6441 synchronized (mPackages) { 6442 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6443 packageName, userId); 6444 } 6445 } 6446 6447 private boolean isCallerSameApp(String packageName) { 6448 PackageParser.Package pkg = mPackages.get(packageName); 6449 return pkg != null 6450 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6451 } 6452 6453 @Override 6454 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6455 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6456 } 6457 6458 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6459 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6460 6461 // reader 6462 synchronized (mPackages) { 6463 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6464 final int userId = UserHandle.getCallingUserId(); 6465 while (i.hasNext()) { 6466 final PackageParser.Package p = i.next(); 6467 if (p.applicationInfo == null) continue; 6468 6469 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6470 && !p.applicationInfo.isDirectBootAware(); 6471 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6472 && p.applicationInfo.isDirectBootAware(); 6473 6474 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6475 && (!mSafeMode || isSystemApp(p)) 6476 && (matchesUnaware || matchesAware)) { 6477 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6478 if (ps != null) { 6479 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6480 ps.readUserState(userId), userId); 6481 if (ai != null) { 6482 finalList.add(ai); 6483 } 6484 } 6485 } 6486 } 6487 } 6488 6489 return finalList; 6490 } 6491 6492 @Override 6493 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6494 if (!sUserManager.exists(userId)) return null; 6495 flags = updateFlagsForComponent(flags, userId, name); 6496 // reader 6497 synchronized (mPackages) { 6498 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6499 PackageSetting ps = provider != null 6500 ? mSettings.mPackages.get(provider.owner.packageName) 6501 : null; 6502 return ps != null 6503 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6504 ? PackageParser.generateProviderInfo(provider, flags, 6505 ps.readUserState(userId), userId) 6506 : null; 6507 } 6508 } 6509 6510 /** 6511 * @deprecated 6512 */ 6513 @Deprecated 6514 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6515 // reader 6516 synchronized (mPackages) { 6517 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6518 .entrySet().iterator(); 6519 final int userId = UserHandle.getCallingUserId(); 6520 while (i.hasNext()) { 6521 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6522 PackageParser.Provider p = entry.getValue(); 6523 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6524 6525 if (ps != null && p.syncable 6526 && (!mSafeMode || (p.info.applicationInfo.flags 6527 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6528 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6529 ps.readUserState(userId), userId); 6530 if (info != null) { 6531 outNames.add(entry.getKey()); 6532 outInfo.add(info); 6533 } 6534 } 6535 } 6536 } 6537 } 6538 6539 @Override 6540 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6541 int uid, int flags) { 6542 final int userId = processName != null ? UserHandle.getUserId(uid) 6543 : UserHandle.getCallingUserId(); 6544 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6545 flags = updateFlagsForComponent(flags, userId, processName); 6546 6547 ArrayList<ProviderInfo> finalList = null; 6548 // reader 6549 synchronized (mPackages) { 6550 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6551 while (i.hasNext()) { 6552 final PackageParser.Provider p = i.next(); 6553 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6554 if (ps != null && p.info.authority != null 6555 && (processName == null 6556 || (p.info.processName.equals(processName) 6557 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6558 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6559 if (finalList == null) { 6560 finalList = new ArrayList<ProviderInfo>(3); 6561 } 6562 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6563 ps.readUserState(userId), userId); 6564 if (info != null) { 6565 finalList.add(info); 6566 } 6567 } 6568 } 6569 } 6570 6571 if (finalList != null) { 6572 Collections.sort(finalList, mProviderInitOrderSorter); 6573 return new ParceledListSlice<ProviderInfo>(finalList); 6574 } 6575 6576 return ParceledListSlice.emptyList(); 6577 } 6578 6579 @Override 6580 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6581 // reader 6582 synchronized (mPackages) { 6583 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6584 return PackageParser.generateInstrumentationInfo(i, flags); 6585 } 6586 } 6587 6588 @Override 6589 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6590 String targetPackage, int flags) { 6591 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6592 } 6593 6594 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6595 int flags) { 6596 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6597 6598 // reader 6599 synchronized (mPackages) { 6600 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6601 while (i.hasNext()) { 6602 final PackageParser.Instrumentation p = i.next(); 6603 if (targetPackage == null 6604 || targetPackage.equals(p.info.targetPackage)) { 6605 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6606 flags); 6607 if (ii != null) { 6608 finalList.add(ii); 6609 } 6610 } 6611 } 6612 } 6613 6614 return finalList; 6615 } 6616 6617 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6618 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6619 if (overlays == null) { 6620 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6621 return; 6622 } 6623 for (PackageParser.Package opkg : overlays.values()) { 6624 // Not much to do if idmap fails: we already logged the error 6625 // and we certainly don't want to abort installation of pkg simply 6626 // because an overlay didn't fit properly. For these reasons, 6627 // ignore the return value of createIdmapForPackagePairLI. 6628 createIdmapForPackagePairLI(pkg, opkg); 6629 } 6630 } 6631 6632 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6633 PackageParser.Package opkg) { 6634 if (!opkg.mTrustedOverlay) { 6635 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6636 opkg.baseCodePath + ": overlay not trusted"); 6637 return false; 6638 } 6639 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6640 if (overlaySet == null) { 6641 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6642 opkg.baseCodePath + " but target package has no known overlays"); 6643 return false; 6644 } 6645 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6646 // TODO: generate idmap for split APKs 6647 try { 6648 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6649 } catch (InstallerException e) { 6650 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6651 + opkg.baseCodePath); 6652 return false; 6653 } 6654 PackageParser.Package[] overlayArray = 6655 overlaySet.values().toArray(new PackageParser.Package[0]); 6656 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6657 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6658 return p1.mOverlayPriority - p2.mOverlayPriority; 6659 } 6660 }; 6661 Arrays.sort(overlayArray, cmp); 6662 6663 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6664 int i = 0; 6665 for (PackageParser.Package p : overlayArray) { 6666 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6667 } 6668 return true; 6669 } 6670 6671 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6672 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 6673 try { 6674 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6675 } finally { 6676 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6677 } 6678 } 6679 6680 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6681 final File[] files = dir.listFiles(); 6682 if (ArrayUtils.isEmpty(files)) { 6683 Log.d(TAG, "No files in app dir " + dir); 6684 return; 6685 } 6686 6687 if (DEBUG_PACKAGE_SCANNING) { 6688 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6689 + " flags=0x" + Integer.toHexString(parseFlags)); 6690 } 6691 6692 for (File file : files) { 6693 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6694 && !PackageInstallerService.isStageName(file.getName()); 6695 if (!isPackage) { 6696 // Ignore entries which are not packages 6697 continue; 6698 } 6699 try { 6700 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6701 scanFlags, currentTime, null); 6702 } catch (PackageManagerException e) { 6703 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6704 6705 // Delete invalid userdata apps 6706 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6707 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6708 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6709 removeCodePathLI(file); 6710 } 6711 } 6712 } 6713 } 6714 6715 private static File getSettingsProblemFile() { 6716 File dataDir = Environment.getDataDirectory(); 6717 File systemDir = new File(dataDir, "system"); 6718 File fname = new File(systemDir, "uiderrors.txt"); 6719 return fname; 6720 } 6721 6722 static void reportSettingsProblem(int priority, String msg) { 6723 logCriticalInfo(priority, msg); 6724 } 6725 6726 static void logCriticalInfo(int priority, String msg) { 6727 Slog.println(priority, TAG, msg); 6728 EventLogTags.writePmCriticalInfo(msg); 6729 try { 6730 File fname = getSettingsProblemFile(); 6731 FileOutputStream out = new FileOutputStream(fname, true); 6732 PrintWriter pw = new FastPrintWriter(out); 6733 SimpleDateFormat formatter = new SimpleDateFormat(); 6734 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6735 pw.println(dateString + ": " + msg); 6736 pw.close(); 6737 FileUtils.setPermissions( 6738 fname.toString(), 6739 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6740 -1, -1); 6741 } catch (java.io.IOException e) { 6742 } 6743 } 6744 6745 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6746 if (srcFile.isDirectory()) { 6747 final File baseFile = new File(pkg.baseCodePath); 6748 long maxModifiedTime = baseFile.lastModified(); 6749 if (pkg.splitCodePaths != null) { 6750 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6751 final File splitFile = new File(pkg.splitCodePaths[i]); 6752 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6753 } 6754 } 6755 return maxModifiedTime; 6756 } 6757 return srcFile.lastModified(); 6758 } 6759 6760 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6761 final int policyFlags) throws PackageManagerException { 6762 // When upgrading from pre-N MR1, verify the package time stamp using the package 6763 // directory and not the APK file. 6764 final long lastModifiedTime = mIsPreNMR1Upgrade 6765 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 6766 if (ps != null 6767 && ps.codePath.equals(srcFile) 6768 && ps.timeStamp == lastModifiedTime 6769 && !isCompatSignatureUpdateNeeded(pkg) 6770 && !isRecoverSignatureUpdateNeeded(pkg)) { 6771 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6772 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6773 ArraySet<PublicKey> signingKs; 6774 synchronized (mPackages) { 6775 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6776 } 6777 if (ps.signatures.mSignatures != null 6778 && ps.signatures.mSignatures.length != 0 6779 && signingKs != null) { 6780 // Optimization: reuse the existing cached certificates 6781 // if the package appears to be unchanged. 6782 pkg.mSignatures = ps.signatures.mSignatures; 6783 pkg.mSigningKeys = signingKs; 6784 return; 6785 } 6786 6787 Slog.w(TAG, "PackageSetting for " + ps.name 6788 + " is missing signatures. Collecting certs again to recover them."); 6789 } else { 6790 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 6791 } 6792 6793 try { 6794 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 6795 PackageParser.collectCertificates(pkg, policyFlags); 6796 } catch (PackageParserException e) { 6797 throw PackageManagerException.from(e); 6798 } finally { 6799 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6800 } 6801 } 6802 6803 /** 6804 * Traces a package scan. 6805 * @see #scanPackageLI(File, int, int, long, UserHandle) 6806 */ 6807 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6808 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6809 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 6810 try { 6811 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6812 } finally { 6813 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6814 } 6815 } 6816 6817 /** 6818 * Scans a package and returns the newly parsed package. 6819 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6820 */ 6821 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6822 long currentTime, UserHandle user) throws PackageManagerException { 6823 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6824 PackageParser pp = new PackageParser(); 6825 pp.setSeparateProcesses(mSeparateProcesses); 6826 pp.setOnlyCoreApps(mOnlyCore); 6827 pp.setDisplayMetrics(mMetrics); 6828 6829 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6830 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6831 } 6832 6833 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6834 final PackageParser.Package pkg; 6835 try { 6836 pkg = pp.parsePackage(scanFile, parseFlags); 6837 } catch (PackageParserException e) { 6838 throw PackageManagerException.from(e); 6839 } finally { 6840 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6841 } 6842 6843 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6844 } 6845 6846 /** 6847 * Scans a package and returns the newly parsed package. 6848 * @throws PackageManagerException on a parse error. 6849 */ 6850 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6851 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6852 throws PackageManagerException { 6853 // If the package has children and this is the first dive in the function 6854 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6855 // packages (parent and children) would be successfully scanned before the 6856 // actual scan since scanning mutates internal state and we want to atomically 6857 // install the package and its children. 6858 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6859 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6860 scanFlags |= SCAN_CHECK_ONLY; 6861 } 6862 } else { 6863 scanFlags &= ~SCAN_CHECK_ONLY; 6864 } 6865 6866 // Scan the parent 6867 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6868 scanFlags, currentTime, user); 6869 6870 // Scan the children 6871 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6872 for (int i = 0; i < childCount; i++) { 6873 PackageParser.Package childPackage = pkg.childPackages.get(i); 6874 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6875 currentTime, user); 6876 } 6877 6878 6879 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6880 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6881 } 6882 6883 return scannedPkg; 6884 } 6885 6886 /** 6887 * Scans a package and returns the newly parsed package. 6888 * @throws PackageManagerException on a parse error. 6889 */ 6890 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6891 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6892 throws PackageManagerException { 6893 PackageSetting ps = null; 6894 PackageSetting updatedPkg; 6895 // reader 6896 synchronized (mPackages) { 6897 // Look to see if we already know about this package. 6898 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 6899 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6900 // This package has been renamed to its original name. Let's 6901 // use that. 6902 ps = mSettings.peekPackageLPr(oldName); 6903 } 6904 // If there was no original package, see one for the real package name. 6905 if (ps == null) { 6906 ps = mSettings.peekPackageLPr(pkg.packageName); 6907 } 6908 // Check to see if this package could be hiding/updating a system 6909 // package. Must look for it either under the original or real 6910 // package name depending on our state. 6911 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6912 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6913 6914 // If this is a package we don't know about on the system partition, we 6915 // may need to remove disabled child packages on the system partition 6916 // or may need to not add child packages if the parent apk is updated 6917 // on the data partition and no longer defines this child package. 6918 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6919 // If this is a parent package for an updated system app and this system 6920 // app got an OTA update which no longer defines some of the child packages 6921 // we have to prune them from the disabled system packages. 6922 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6923 if (disabledPs != null) { 6924 final int scannedChildCount = (pkg.childPackages != null) 6925 ? pkg.childPackages.size() : 0; 6926 final int disabledChildCount = disabledPs.childPackageNames != null 6927 ? disabledPs.childPackageNames.size() : 0; 6928 for (int i = 0; i < disabledChildCount; i++) { 6929 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6930 boolean disabledPackageAvailable = false; 6931 for (int j = 0; j < scannedChildCount; j++) { 6932 PackageParser.Package childPkg = pkg.childPackages.get(j); 6933 if (childPkg.packageName.equals(disabledChildPackageName)) { 6934 disabledPackageAvailable = true; 6935 break; 6936 } 6937 } 6938 if (!disabledPackageAvailable) { 6939 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6940 } 6941 } 6942 } 6943 } 6944 } 6945 6946 boolean updatedPkgBetter = false; 6947 // First check if this is a system package that may involve an update 6948 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6949 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6950 // it needs to drop FLAG_PRIVILEGED. 6951 if (locationIsPrivileged(scanFile)) { 6952 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6953 } else { 6954 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6955 } 6956 6957 if (ps != null && !ps.codePath.equals(scanFile)) { 6958 // The path has changed from what was last scanned... check the 6959 // version of the new path against what we have stored to determine 6960 // what to do. 6961 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6962 if (pkg.mVersionCode <= ps.versionCode) { 6963 // The system package has been updated and the code path does not match 6964 // Ignore entry. Skip it. 6965 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6966 + " ignored: updated version " + ps.versionCode 6967 + " better than this " + pkg.mVersionCode); 6968 if (!updatedPkg.codePath.equals(scanFile)) { 6969 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6970 + ps.name + " changing from " + updatedPkg.codePathString 6971 + " to " + scanFile); 6972 updatedPkg.codePath = scanFile; 6973 updatedPkg.codePathString = scanFile.toString(); 6974 updatedPkg.resourcePath = scanFile; 6975 updatedPkg.resourcePathString = scanFile.toString(); 6976 } 6977 updatedPkg.pkg = pkg; 6978 updatedPkg.versionCode = pkg.mVersionCode; 6979 6980 // Update the disabled system child packages to point to the package too. 6981 final int childCount = updatedPkg.childPackageNames != null 6982 ? updatedPkg.childPackageNames.size() : 0; 6983 for (int i = 0; i < childCount; i++) { 6984 String childPackageName = updatedPkg.childPackageNames.get(i); 6985 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6986 childPackageName); 6987 if (updatedChildPkg != null) { 6988 updatedChildPkg.pkg = pkg; 6989 updatedChildPkg.versionCode = pkg.mVersionCode; 6990 } 6991 } 6992 6993 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6994 + scanFile + " ignored: updated version " + ps.versionCode 6995 + " better than this " + pkg.mVersionCode); 6996 } else { 6997 // The current app on the system partition is better than 6998 // what we have updated to on the data partition; switch 6999 // back to the system partition version. 7000 // At this point, its safely assumed that package installation for 7001 // apps in system partition will go through. If not there won't be a working 7002 // version of the app 7003 // writer 7004 synchronized (mPackages) { 7005 // Just remove the loaded entries from package lists. 7006 mPackages.remove(ps.name); 7007 } 7008 7009 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7010 + " reverting from " + ps.codePathString 7011 + ": new version " + pkg.mVersionCode 7012 + " better than installed " + ps.versionCode); 7013 7014 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7015 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7016 synchronized (mInstallLock) { 7017 args.cleanUpResourcesLI(); 7018 } 7019 synchronized (mPackages) { 7020 mSettings.enableSystemPackageLPw(ps.name); 7021 } 7022 updatedPkgBetter = true; 7023 } 7024 } 7025 } 7026 7027 if (updatedPkg != null) { 7028 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7029 // initially 7030 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7031 7032 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7033 // flag set initially 7034 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7035 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7036 } 7037 } 7038 7039 // Verify certificates against what was last scanned 7040 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7041 7042 /* 7043 * A new system app appeared, but we already had a non-system one of the 7044 * same name installed earlier. 7045 */ 7046 boolean shouldHideSystemApp = false; 7047 if (updatedPkg == null && ps != null 7048 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7049 /* 7050 * Check to make sure the signatures match first. If they don't, 7051 * wipe the installed application and its data. 7052 */ 7053 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7054 != PackageManager.SIGNATURE_MATCH) { 7055 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7056 + " signatures don't match existing userdata copy; removing"); 7057 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7058 "scanPackageInternalLI")) { 7059 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7060 } 7061 ps = null; 7062 } else { 7063 /* 7064 * If the newly-added system app is an older version than the 7065 * already installed version, hide it. It will be scanned later 7066 * and re-added like an update. 7067 */ 7068 if (pkg.mVersionCode <= ps.versionCode) { 7069 shouldHideSystemApp = true; 7070 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7071 + " but new version " + pkg.mVersionCode + " better than installed " 7072 + ps.versionCode + "; hiding system"); 7073 } else { 7074 /* 7075 * The newly found system app is a newer version that the 7076 * one previously installed. Simply remove the 7077 * already-installed application and replace it with our own 7078 * while keeping the application data. 7079 */ 7080 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7081 + " reverting from " + ps.codePathString + ": new version " 7082 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7083 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7084 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7085 synchronized (mInstallLock) { 7086 args.cleanUpResourcesLI(); 7087 } 7088 } 7089 } 7090 } 7091 7092 // The apk is forward locked (not public) if its code and resources 7093 // are kept in different files. (except for app in either system or 7094 // vendor path). 7095 // TODO grab this value from PackageSettings 7096 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7097 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7098 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7099 } 7100 } 7101 7102 // TODO: extend to support forward-locked splits 7103 String resourcePath = null; 7104 String baseResourcePath = null; 7105 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7106 if (ps != null && ps.resourcePathString != null) { 7107 resourcePath = ps.resourcePathString; 7108 baseResourcePath = ps.resourcePathString; 7109 } else { 7110 // Should not happen at all. Just log an error. 7111 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7112 } 7113 } else { 7114 resourcePath = pkg.codePath; 7115 baseResourcePath = pkg.baseCodePath; 7116 } 7117 7118 // Set application objects path explicitly. 7119 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7120 pkg.setApplicationInfoCodePath(pkg.codePath); 7121 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7122 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7123 pkg.setApplicationInfoResourcePath(resourcePath); 7124 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7125 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7126 7127 // Note that we invoke the following method only if we are about to unpack an application 7128 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7129 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7130 7131 /* 7132 * If the system app should be overridden by a previously installed 7133 * data, hide the system app now and let the /data/app scan pick it up 7134 * again. 7135 */ 7136 if (shouldHideSystemApp) { 7137 synchronized (mPackages) { 7138 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7139 } 7140 } 7141 7142 return scannedPkg; 7143 } 7144 7145 private static String fixProcessName(String defProcessName, 7146 String processName) { 7147 if (processName == null) { 7148 return defProcessName; 7149 } 7150 return processName; 7151 } 7152 7153 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7154 throws PackageManagerException { 7155 if (pkgSetting.signatures.mSignatures != null) { 7156 // Already existing package. Make sure signatures match 7157 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7158 == PackageManager.SIGNATURE_MATCH; 7159 if (!match) { 7160 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7161 == PackageManager.SIGNATURE_MATCH; 7162 } 7163 if (!match) { 7164 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7165 == PackageManager.SIGNATURE_MATCH; 7166 } 7167 if (!match) { 7168 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7169 + pkg.packageName + " signatures do not match the " 7170 + "previously installed version; ignoring!"); 7171 } 7172 } 7173 7174 // Check for shared user signatures 7175 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7176 // Already existing package. Make sure signatures match 7177 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7178 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7179 if (!match) { 7180 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7181 == PackageManager.SIGNATURE_MATCH; 7182 } 7183 if (!match) { 7184 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7185 == PackageManager.SIGNATURE_MATCH; 7186 } 7187 if (!match) { 7188 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7189 "Package " + pkg.packageName 7190 + " has no signatures that match those in shared user " 7191 + pkgSetting.sharedUser.name + "; ignoring!"); 7192 } 7193 } 7194 } 7195 7196 /** 7197 * Enforces that only the system UID or root's UID can call a method exposed 7198 * via Binder. 7199 * 7200 * @param message used as message if SecurityException is thrown 7201 * @throws SecurityException if the caller is not system or root 7202 */ 7203 private static final void enforceSystemOrRoot(String message) { 7204 final int uid = Binder.getCallingUid(); 7205 if (uid != Process.SYSTEM_UID && uid != 0) { 7206 throw new SecurityException(message); 7207 } 7208 } 7209 7210 @Override 7211 public void performFstrimIfNeeded() { 7212 enforceSystemOrRoot("Only the system can request fstrim"); 7213 7214 // Before everything else, see whether we need to fstrim. 7215 try { 7216 IMountService ms = PackageHelper.getMountService(); 7217 if (ms != null) { 7218 boolean doTrim = false; 7219 final long interval = android.provider.Settings.Global.getLong( 7220 mContext.getContentResolver(), 7221 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7222 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7223 if (interval > 0) { 7224 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7225 if (timeSinceLast > interval) { 7226 doTrim = true; 7227 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7228 + "; running immediately"); 7229 } 7230 } 7231 if (doTrim) { 7232 final boolean dexOptDialogShown; 7233 synchronized (mPackages) { 7234 dexOptDialogShown = mDexOptDialogShown; 7235 } 7236 if (!isFirstBoot() && dexOptDialogShown) { 7237 try { 7238 ActivityManagerNative.getDefault().showBootMessage( 7239 mContext.getResources().getString( 7240 R.string.android_upgrading_fstrim), true); 7241 } catch (RemoteException e) { 7242 } 7243 } 7244 ms.runMaintenance(); 7245 } 7246 } else { 7247 Slog.e(TAG, "Mount service unavailable!"); 7248 } 7249 } catch (RemoteException e) { 7250 // Can't happen; MountService is local 7251 } 7252 } 7253 7254 @Override 7255 public void updatePackagesIfNeeded() { 7256 enforceSystemOrRoot("Only the system can request package update"); 7257 7258 // We need to re-extract after an OTA. 7259 boolean causeUpgrade = isUpgrade(); 7260 7261 // First boot or factory reset. 7262 // Note: we also handle devices that are upgrading to N right now as if it is their 7263 // first boot, as they do not have profile data. 7264 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7265 7266 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7267 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7268 7269 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7270 return; 7271 } 7272 7273 List<PackageParser.Package> pkgs; 7274 synchronized (mPackages) { 7275 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7276 } 7277 7278 final long startTime = System.nanoTime(); 7279 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7280 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7281 7282 final int elapsedTimeSeconds = 7283 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7284 7285 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7286 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7287 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7288 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7289 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7290 } 7291 7292 /** 7293 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7294 * containing statistics about the invocation. The array consists of three elements, 7295 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7296 * and {@code numberOfPackagesFailed}. 7297 */ 7298 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7299 String compilerFilter) { 7300 7301 int numberOfPackagesVisited = 0; 7302 int numberOfPackagesOptimized = 0; 7303 int numberOfPackagesSkipped = 0; 7304 int numberOfPackagesFailed = 0; 7305 final int numberOfPackagesToDexopt = pkgs.size(); 7306 7307 for (PackageParser.Package pkg : pkgs) { 7308 numberOfPackagesVisited++; 7309 7310 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7311 if (DEBUG_DEXOPT) { 7312 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7313 } 7314 numberOfPackagesSkipped++; 7315 continue; 7316 } 7317 7318 if (DEBUG_DEXOPT) { 7319 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7320 numberOfPackagesToDexopt + ": " + pkg.packageName); 7321 } 7322 7323 if (showDialog) { 7324 try { 7325 ActivityManagerNative.getDefault().showBootMessage( 7326 mContext.getResources().getString(R.string.android_upgrading_apk, 7327 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7328 } catch (RemoteException e) { 7329 } 7330 synchronized (mPackages) { 7331 mDexOptDialogShown = true; 7332 } 7333 } 7334 7335 // If the OTA updates a system app which was previously preopted to a non-preopted state 7336 // the app might end up being verified at runtime. That's because by default the apps 7337 // are verify-profile but for preopted apps there's no profile. 7338 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7339 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7340 // filter (by default interpret-only). 7341 // Note that at this stage unused apps are already filtered. 7342 if (isSystemApp(pkg) && 7343 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7344 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7345 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7346 } 7347 7348 // If the OTA updates a system app which was previously preopted to a non-preopted state 7349 // the app might end up being verified at runtime. That's because by default the apps 7350 // are verify-profile but for preopted apps there's no profile. 7351 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7352 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7353 // filter (by default interpret-only). 7354 // Note that at this stage unused apps are already filtered. 7355 if (isSystemApp(pkg) && 7356 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7357 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7358 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7359 } 7360 7361 // checkProfiles is false to avoid merging profiles during boot which 7362 // might interfere with background compilation (b/28612421). 7363 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7364 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7365 // trade-off worth doing to save boot time work. 7366 int dexOptStatus = performDexOptTraced(pkg.packageName, 7367 false /* checkProfiles */, 7368 compilerFilter, 7369 false /* force */); 7370 switch (dexOptStatus) { 7371 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7372 numberOfPackagesOptimized++; 7373 break; 7374 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7375 numberOfPackagesSkipped++; 7376 break; 7377 case PackageDexOptimizer.DEX_OPT_FAILED: 7378 numberOfPackagesFailed++; 7379 break; 7380 default: 7381 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7382 break; 7383 } 7384 } 7385 7386 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7387 numberOfPackagesFailed }; 7388 } 7389 7390 @Override 7391 public void notifyPackageUse(String packageName, int reason) { 7392 synchronized (mPackages) { 7393 PackageParser.Package p = mPackages.get(packageName); 7394 if (p == null) { 7395 return; 7396 } 7397 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7398 } 7399 } 7400 7401 // TODO: this is not used nor needed. Delete it. 7402 @Override 7403 public boolean performDexOptIfNeeded(String packageName) { 7404 int dexOptStatus = performDexOptTraced(packageName, 7405 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7406 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7407 } 7408 7409 @Override 7410 public boolean performDexOpt(String packageName, 7411 boolean checkProfiles, int compileReason, boolean force) { 7412 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7413 getCompilerFilterForReason(compileReason), force); 7414 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7415 } 7416 7417 @Override 7418 public boolean performDexOptMode(String packageName, 7419 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7420 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7421 targetCompilerFilter, force); 7422 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7423 } 7424 7425 private int performDexOptTraced(String packageName, 7426 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7427 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7428 try { 7429 return performDexOptInternal(packageName, checkProfiles, 7430 targetCompilerFilter, force); 7431 } finally { 7432 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7433 } 7434 } 7435 7436 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7437 // if the package can now be considered up to date for the given filter. 7438 private int performDexOptInternal(String packageName, 7439 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7440 PackageParser.Package p; 7441 synchronized (mPackages) { 7442 p = mPackages.get(packageName); 7443 if (p == null) { 7444 // Package could not be found. Report failure. 7445 return PackageDexOptimizer.DEX_OPT_FAILED; 7446 } 7447 mPackageUsage.maybeWriteAsync(mPackages); 7448 mCompilerStats.maybeWriteAsync(); 7449 } 7450 long callingId = Binder.clearCallingIdentity(); 7451 try { 7452 synchronized (mInstallLock) { 7453 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7454 targetCompilerFilter, force); 7455 } 7456 } finally { 7457 Binder.restoreCallingIdentity(callingId); 7458 } 7459 } 7460 7461 public ArraySet<String> getOptimizablePackages() { 7462 ArraySet<String> pkgs = new ArraySet<String>(); 7463 synchronized (mPackages) { 7464 for (PackageParser.Package p : mPackages.values()) { 7465 if (PackageDexOptimizer.canOptimizePackage(p)) { 7466 pkgs.add(p.packageName); 7467 } 7468 } 7469 } 7470 return pkgs; 7471 } 7472 7473 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7474 boolean checkProfiles, String targetCompilerFilter, 7475 boolean force) { 7476 // Select the dex optimizer based on the force parameter. 7477 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7478 // allocate an object here. 7479 PackageDexOptimizer pdo = force 7480 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7481 : mPackageDexOptimizer; 7482 7483 // Optimize all dependencies first. Note: we ignore the return value and march on 7484 // on errors. 7485 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7486 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7487 if (!deps.isEmpty()) { 7488 for (PackageParser.Package depPackage : deps) { 7489 // TODO: Analyze and investigate if we (should) profile libraries. 7490 // Currently this will do a full compilation of the library by default. 7491 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7492 false /* checkProfiles */, 7493 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7494 getOrCreateCompilerPackageStats(depPackage)); 7495 } 7496 } 7497 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7498 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7499 } 7500 7501 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7502 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7503 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7504 Set<String> collectedNames = new HashSet<>(); 7505 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7506 7507 retValue.remove(p); 7508 7509 return retValue; 7510 } else { 7511 return Collections.emptyList(); 7512 } 7513 } 7514 7515 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7516 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7517 if (!collectedNames.contains(p.packageName)) { 7518 collectedNames.add(p.packageName); 7519 collected.add(p); 7520 7521 if (p.usesLibraries != null) { 7522 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7523 } 7524 if (p.usesOptionalLibraries != null) { 7525 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7526 collectedNames); 7527 } 7528 } 7529 } 7530 7531 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7532 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7533 for (String libName : libs) { 7534 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7535 if (libPkg != null) { 7536 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7537 } 7538 } 7539 } 7540 7541 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7542 synchronized (mPackages) { 7543 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7544 if (lib != null && lib.apk != null) { 7545 return mPackages.get(lib.apk); 7546 } 7547 } 7548 return null; 7549 } 7550 7551 public void shutdown() { 7552 mPackageUsage.writeNow(mPackages); 7553 mCompilerStats.writeNow(); 7554 } 7555 7556 @Override 7557 public void dumpProfiles(String packageName) { 7558 PackageParser.Package pkg; 7559 synchronized (mPackages) { 7560 pkg = mPackages.get(packageName); 7561 if (pkg == null) { 7562 throw new IllegalArgumentException("Unknown package: " + packageName); 7563 } 7564 } 7565 /* Only the shell, root, or the app user should be able to dump profiles. */ 7566 int callingUid = Binder.getCallingUid(); 7567 if (callingUid != Process.SHELL_UID && 7568 callingUid != Process.ROOT_UID && 7569 callingUid != pkg.applicationInfo.uid) { 7570 throw new SecurityException("dumpProfiles"); 7571 } 7572 7573 synchronized (mInstallLock) { 7574 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7575 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7576 try { 7577 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7578 String gid = Integer.toString(sharedGid); 7579 String codePaths = TextUtils.join(";", allCodePaths); 7580 mInstaller.dumpProfiles(gid, packageName, codePaths); 7581 } catch (InstallerException e) { 7582 Slog.w(TAG, "Failed to dump profiles", e); 7583 } 7584 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7585 } 7586 } 7587 7588 @Override 7589 public void forceDexOpt(String packageName) { 7590 enforceSystemOrRoot("forceDexOpt"); 7591 7592 PackageParser.Package pkg; 7593 synchronized (mPackages) { 7594 pkg = mPackages.get(packageName); 7595 if (pkg == null) { 7596 throw new IllegalArgumentException("Unknown package: " + packageName); 7597 } 7598 } 7599 7600 synchronized (mInstallLock) { 7601 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7602 7603 // Whoever is calling forceDexOpt wants a fully compiled package. 7604 // Don't use profiles since that may cause compilation to be skipped. 7605 final int res = performDexOptInternalWithDependenciesLI(pkg, 7606 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7607 true /* force */); 7608 7609 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7610 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7611 throw new IllegalStateException("Failed to dexopt: " + res); 7612 } 7613 } 7614 } 7615 7616 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7617 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7618 Slog.w(TAG, "Unable to update from " + oldPkg.name 7619 + " to " + newPkg.packageName 7620 + ": old package not in system partition"); 7621 return false; 7622 } else if (mPackages.get(oldPkg.name) != null) { 7623 Slog.w(TAG, "Unable to update from " + oldPkg.name 7624 + " to " + newPkg.packageName 7625 + ": old package still exists"); 7626 return false; 7627 } 7628 return true; 7629 } 7630 7631 void removeCodePathLI(File codePath) { 7632 if (codePath.isDirectory()) { 7633 try { 7634 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7635 } catch (InstallerException e) { 7636 Slog.w(TAG, "Failed to remove code path", e); 7637 } 7638 } else { 7639 codePath.delete(); 7640 } 7641 } 7642 7643 private int[] resolveUserIds(int userId) { 7644 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7645 } 7646 7647 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7648 if (pkg == null) { 7649 Slog.wtf(TAG, "Package was null!", new Throwable()); 7650 return; 7651 } 7652 clearAppDataLeafLIF(pkg, userId, flags); 7653 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7654 for (int i = 0; i < childCount; i++) { 7655 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7656 } 7657 } 7658 7659 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7660 final PackageSetting ps; 7661 synchronized (mPackages) { 7662 ps = mSettings.mPackages.get(pkg.packageName); 7663 } 7664 for (int realUserId : resolveUserIds(userId)) { 7665 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7666 try { 7667 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7668 ceDataInode); 7669 } catch (InstallerException e) { 7670 Slog.w(TAG, String.valueOf(e)); 7671 } 7672 } 7673 } 7674 7675 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7676 if (pkg == null) { 7677 Slog.wtf(TAG, "Package was null!", new Throwable()); 7678 return; 7679 } 7680 destroyAppDataLeafLIF(pkg, userId, flags); 7681 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7682 for (int i = 0; i < childCount; i++) { 7683 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7684 } 7685 } 7686 7687 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7688 final PackageSetting ps; 7689 synchronized (mPackages) { 7690 ps = mSettings.mPackages.get(pkg.packageName); 7691 } 7692 for (int realUserId : resolveUserIds(userId)) { 7693 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7694 try { 7695 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7696 ceDataInode); 7697 } catch (InstallerException e) { 7698 Slog.w(TAG, String.valueOf(e)); 7699 } 7700 } 7701 } 7702 7703 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7704 if (pkg == null) { 7705 Slog.wtf(TAG, "Package was null!", new Throwable()); 7706 return; 7707 } 7708 destroyAppProfilesLeafLIF(pkg); 7709 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7710 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7711 for (int i = 0; i < childCount; i++) { 7712 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7713 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7714 true /* removeBaseMarker */); 7715 } 7716 } 7717 7718 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7719 boolean removeBaseMarker) { 7720 if (pkg.isForwardLocked()) { 7721 return; 7722 } 7723 7724 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7725 try { 7726 path = PackageManagerServiceUtils.realpath(new File(path)); 7727 } catch (IOException e) { 7728 // TODO: Should we return early here ? 7729 Slog.w(TAG, "Failed to get canonical path", e); 7730 continue; 7731 } 7732 7733 final String useMarker = path.replace('/', '@'); 7734 for (int realUserId : resolveUserIds(userId)) { 7735 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7736 if (removeBaseMarker) { 7737 File foreignUseMark = new File(profileDir, useMarker); 7738 if (foreignUseMark.exists()) { 7739 if (!foreignUseMark.delete()) { 7740 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7741 + pkg.packageName); 7742 } 7743 } 7744 } 7745 7746 File[] markers = profileDir.listFiles(); 7747 if (markers != null) { 7748 final String searchString = "@" + pkg.packageName + "@"; 7749 // We also delete all markers that contain the package name we're 7750 // uninstalling. These are associated with secondary dex-files belonging 7751 // to the package. Reconstructing the path of these dex files is messy 7752 // in general. 7753 for (File marker : markers) { 7754 if (marker.getName().indexOf(searchString) > 0) { 7755 if (!marker.delete()) { 7756 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7757 + pkg.packageName); 7758 } 7759 } 7760 } 7761 } 7762 } 7763 } 7764 } 7765 7766 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7767 try { 7768 mInstaller.destroyAppProfiles(pkg.packageName); 7769 } catch (InstallerException e) { 7770 Slog.w(TAG, String.valueOf(e)); 7771 } 7772 } 7773 7774 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7775 if (pkg == null) { 7776 Slog.wtf(TAG, "Package was null!", new Throwable()); 7777 return; 7778 } 7779 clearAppProfilesLeafLIF(pkg); 7780 // We don't remove the base foreign use marker when clearing profiles because 7781 // we will rename it when the app is updated. Unlike the actual profile contents, 7782 // the foreign use marker is good across installs. 7783 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7784 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7785 for (int i = 0; i < childCount; i++) { 7786 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7787 } 7788 } 7789 7790 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7791 try { 7792 mInstaller.clearAppProfiles(pkg.packageName); 7793 } catch (InstallerException e) { 7794 Slog.w(TAG, String.valueOf(e)); 7795 } 7796 } 7797 7798 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7799 long lastUpdateTime) { 7800 // Set parent install/update time 7801 PackageSetting ps = (PackageSetting) pkg.mExtras; 7802 if (ps != null) { 7803 ps.firstInstallTime = firstInstallTime; 7804 ps.lastUpdateTime = lastUpdateTime; 7805 } 7806 // Set children install/update time 7807 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7808 for (int i = 0; i < childCount; i++) { 7809 PackageParser.Package childPkg = pkg.childPackages.get(i); 7810 ps = (PackageSetting) childPkg.mExtras; 7811 if (ps != null) { 7812 ps.firstInstallTime = firstInstallTime; 7813 ps.lastUpdateTime = lastUpdateTime; 7814 } 7815 } 7816 } 7817 7818 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7819 PackageParser.Package changingLib) { 7820 if (file.path != null) { 7821 usesLibraryFiles.add(file.path); 7822 return; 7823 } 7824 PackageParser.Package p = mPackages.get(file.apk); 7825 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7826 // If we are doing this while in the middle of updating a library apk, 7827 // then we need to make sure to use that new apk for determining the 7828 // dependencies here. (We haven't yet finished committing the new apk 7829 // to the package manager state.) 7830 if (p == null || p.packageName.equals(changingLib.packageName)) { 7831 p = changingLib; 7832 } 7833 } 7834 if (p != null) { 7835 usesLibraryFiles.addAll(p.getAllCodePaths()); 7836 } 7837 } 7838 7839 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 7840 PackageParser.Package changingLib) throws PackageManagerException { 7841 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7842 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7843 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7844 for (int i=0; i<N; i++) { 7845 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7846 if (file == null) { 7847 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7848 "Package " + pkg.packageName + " requires unavailable shared library " 7849 + pkg.usesLibraries.get(i) + "; failing!"); 7850 } 7851 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 7852 } 7853 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7854 for (int i=0; i<N; i++) { 7855 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7856 if (file == null) { 7857 Slog.w(TAG, "Package " + pkg.packageName 7858 + " desires unavailable shared library " 7859 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7860 } else { 7861 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 7862 } 7863 } 7864 N = usesLibraryFiles.size(); 7865 if (N > 0) { 7866 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7867 } else { 7868 pkg.usesLibraryFiles = null; 7869 } 7870 } 7871 } 7872 7873 private static boolean hasString(List<String> list, List<String> which) { 7874 if (list == null) { 7875 return false; 7876 } 7877 for (int i=list.size()-1; i>=0; i--) { 7878 for (int j=which.size()-1; j>=0; j--) { 7879 if (which.get(j).equals(list.get(i))) { 7880 return true; 7881 } 7882 } 7883 } 7884 return false; 7885 } 7886 7887 private void updateAllSharedLibrariesLPw() { 7888 for (PackageParser.Package pkg : mPackages.values()) { 7889 try { 7890 updateSharedLibrariesLPr(pkg, null); 7891 } catch (PackageManagerException e) { 7892 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7893 } 7894 } 7895 } 7896 7897 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7898 PackageParser.Package changingPkg) { 7899 ArrayList<PackageParser.Package> res = null; 7900 for (PackageParser.Package pkg : mPackages.values()) { 7901 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7902 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7903 if (res == null) { 7904 res = new ArrayList<PackageParser.Package>(); 7905 } 7906 res.add(pkg); 7907 try { 7908 updateSharedLibrariesLPr(pkg, changingPkg); 7909 } catch (PackageManagerException e) { 7910 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7911 } 7912 } 7913 } 7914 return res; 7915 } 7916 7917 /** 7918 * Derive the value of the {@code cpuAbiOverride} based on the provided 7919 * value and an optional stored value from the package settings. 7920 */ 7921 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7922 String cpuAbiOverride = null; 7923 7924 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7925 cpuAbiOverride = null; 7926 } else if (abiOverride != null) { 7927 cpuAbiOverride = abiOverride; 7928 } else if (settings != null) { 7929 cpuAbiOverride = settings.cpuAbiOverrideString; 7930 } 7931 7932 return cpuAbiOverride; 7933 } 7934 7935 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7936 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7937 throws PackageManagerException { 7938 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7939 // If the package has children and this is the first dive in the function 7940 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7941 // whether all packages (parent and children) would be successfully scanned 7942 // before the actual scan since scanning mutates internal state and we want 7943 // to atomically install the package and its children. 7944 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7945 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7946 scanFlags |= SCAN_CHECK_ONLY; 7947 } 7948 } else { 7949 scanFlags &= ~SCAN_CHECK_ONLY; 7950 } 7951 7952 final PackageParser.Package scannedPkg; 7953 try { 7954 // Scan the parent 7955 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7956 // Scan the children 7957 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7958 for (int i = 0; i < childCount; i++) { 7959 PackageParser.Package childPkg = pkg.childPackages.get(i); 7960 scanPackageLI(childPkg, policyFlags, 7961 scanFlags, currentTime, user); 7962 } 7963 } finally { 7964 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7965 } 7966 7967 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7968 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7969 } 7970 7971 return scannedPkg; 7972 } 7973 7974 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7975 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7976 boolean success = false; 7977 try { 7978 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7979 currentTime, user); 7980 success = true; 7981 return res; 7982 } finally { 7983 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7984 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7985 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7986 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7987 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7988 } 7989 } 7990 } 7991 7992 /** 7993 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7994 */ 7995 private static boolean apkHasCode(String fileName) { 7996 StrictJarFile jarFile = null; 7997 try { 7998 jarFile = new StrictJarFile(fileName, 7999 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8000 return jarFile.findEntry("classes.dex") != null; 8001 } catch (IOException ignore) { 8002 } finally { 8003 try { 8004 if (jarFile != null) { 8005 jarFile.close(); 8006 } 8007 } catch (IOException ignore) {} 8008 } 8009 return false; 8010 } 8011 8012 /** 8013 * Enforces code policy for the package. This ensures that if an APK has 8014 * declared hasCode="true" in its manifest that the APK actually contains 8015 * code. 8016 * 8017 * @throws PackageManagerException If bytecode could not be found when it should exist 8018 */ 8019 private static void assertCodePolicy(PackageParser.Package pkg) 8020 throws PackageManagerException { 8021 final boolean shouldHaveCode = 8022 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8023 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8024 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8025 "Package " + pkg.baseCodePath + " code is missing"); 8026 } 8027 8028 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8029 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8030 final boolean splitShouldHaveCode = 8031 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8032 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8033 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8034 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8035 } 8036 } 8037 } 8038 } 8039 8040 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8041 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8042 throws PackageManagerException { 8043 if (DEBUG_PACKAGE_SCANNING) { 8044 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8045 Log.d(TAG, "Scanning package " + pkg.packageName); 8046 } 8047 8048 applyPolicy(pkg, policyFlags); 8049 8050 assertPackageIsValid(pkg, policyFlags); 8051 8052 // Initialize package source and resource directories 8053 final File scanFile = new File(pkg.codePath); 8054 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8055 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8056 8057 SharedUserSetting suid = null; 8058 PackageSetting pkgSetting = null; 8059 8060 // Getting the package setting may have a side-effect, so if we 8061 // are only checking if scan would succeed, stash a copy of the 8062 // old setting to restore at the end. 8063 PackageSetting nonMutatedPs = null; 8064 8065 // writer 8066 synchronized (mPackages) { 8067 if (pkg.mSharedUserId != null) { 8068 // SIDE EFFECTS; may potentially allocate a new shared user 8069 suid = mSettings.getSharedUserLPw( 8070 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 8071 if (DEBUG_PACKAGE_SCANNING) { 8072 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8073 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8074 + "): packages=" + suid.packages); 8075 } 8076 } 8077 8078 // Check if we are renaming from an original package name. 8079 PackageSetting origPackage = null; 8080 String realName = null; 8081 if (pkg.mOriginalPackages != null) { 8082 // This package may need to be renamed to a previously 8083 // installed name. Let's check on that... 8084 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8085 if (pkg.mOriginalPackages.contains(renamed)) { 8086 // This package had originally been installed as the 8087 // original name, and we have already taken care of 8088 // transitioning to the new one. Just update the new 8089 // one to continue using the old name. 8090 realName = pkg.mRealPackage; 8091 if (!pkg.packageName.equals(renamed)) { 8092 // Callers into this function may have already taken 8093 // care of renaming the package; only do it here if 8094 // it is not already done. 8095 pkg.setPackageName(renamed); 8096 } 8097 } else { 8098 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8099 if ((origPackage = mSettings.peekPackageLPr( 8100 pkg.mOriginalPackages.get(i))) != null) { 8101 // We do have the package already installed under its 8102 // original name... should we use it? 8103 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8104 // New package is not compatible with original. 8105 origPackage = null; 8106 continue; 8107 } else if (origPackage.sharedUser != null) { 8108 // Make sure uid is compatible between packages. 8109 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8110 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8111 + " to " + pkg.packageName + ": old uid " 8112 + origPackage.sharedUser.name 8113 + " differs from " + pkg.mSharedUserId); 8114 origPackage = null; 8115 continue; 8116 } 8117 // TODO: Add case when shared user id is added [b/28144775] 8118 } else { 8119 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8120 + pkg.packageName + " to old name " + origPackage.name); 8121 } 8122 break; 8123 } 8124 } 8125 } 8126 } 8127 8128 if (mTransferedPackages.contains(pkg.packageName)) { 8129 Slog.w(TAG, "Package " + pkg.packageName 8130 + " was transferred to another, but its .apk remains"); 8131 } 8132 8133 // See comments in nonMutatedPs declaration 8134 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8135 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8136 if (foundPs != null) { 8137 nonMutatedPs = new PackageSetting(foundPs); 8138 } 8139 } 8140 8141 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 8142 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 8143 PackageManagerService.reportSettingsProblem(Log.WARN, 8144 "Package " + pkg.packageName + " shared user changed from " 8145 + (pkgSetting.sharedUser != null 8146 ? pkgSetting.sharedUser.name : "<nothing>") 8147 + " to " 8148 + (suid != null ? suid.name : "<nothing>") 8149 + "; replacing with new"); 8150 pkgSetting = null; 8151 } 8152 final PackageSetting oldPkgSetting = 8153 pkgSetting == null ? null : new PackageSetting(pkgSetting); 8154 final PackageSetting disabledPkgSetting = 8155 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8156 if (pkgSetting == null) { 8157 final String parentPackageName = (pkg.parentPackage != null) 8158 ? pkg.parentPackage.packageName : null; 8159 // REMOVE SharedUserSetting from method; update in a separate call 8160 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 8161 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 8162 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 8163 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 8164 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 8165 true /*allowInstall*/, parentPackageName, pkg.getChildPackageNames(), 8166 UserManagerService.getInstance()); 8167 // SIDE EFFECTS; updates system state; move elsewhere 8168 if (origPackage != null) { 8169 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 8170 } 8171 mSettings.addUserToSettingLPw(pkgSetting); 8172 } else { 8173 // REMOVE SharedUserSetting from method; update in a separate call 8174 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 8175 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 8176 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 8177 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 8178 UserManagerService.getInstance()); 8179 } 8180 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 8181 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 8182 8183 // SIDE EFFECTS; modifies system state; move elsewhere 8184 if (pkgSetting.origPackage != null) { 8185 // If we are first transitioning from an original package, 8186 // fix up the new package's name now. We need to do this after 8187 // looking up the package under its new name, so getPackageLP 8188 // can take care of fiddling things correctly. 8189 pkg.setPackageName(origPackage.name); 8190 8191 // File a report about this. 8192 String msg = "New package " + pkgSetting.realName 8193 + " renamed to replace old package " + pkgSetting.name; 8194 reportSettingsProblem(Log.WARN, msg); 8195 8196 // Make a note of it. 8197 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8198 mTransferedPackages.add(origPackage.name); 8199 } 8200 8201 // No longer need to retain this. 8202 pkgSetting.origPackage = null; 8203 } 8204 8205 // SIDE EFFECTS; modifies system state; move elsewhere 8206 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8207 // Make a note of it. 8208 mTransferedPackages.add(pkg.packageName); 8209 } 8210 8211 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8212 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8213 } 8214 8215 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8216 // Check all shared libraries and map to their actual file path. 8217 // We only do this here for apps not on a system dir, because those 8218 // are the only ones that can fail an install due to this. We 8219 // will take care of the system apps by updating all of their 8220 // library paths after the scan is done. 8221 updateSharedLibrariesLPr(pkg, null); 8222 } 8223 8224 if (mFoundPolicyFile) { 8225 SELinuxMMAC.assignSeinfoValue(pkg); 8226 } 8227 8228 pkg.applicationInfo.uid = pkgSetting.appId; 8229 pkg.mExtras = pkgSetting; 8230 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8231 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8232 // We just determined the app is signed correctly, so bring 8233 // over the latest parsed certs. 8234 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8235 } else { 8236 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8237 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8238 "Package " + pkg.packageName + " upgrade keys do not match the " 8239 + "previously installed version"); 8240 } else { 8241 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8242 String msg = "System package " + pkg.packageName 8243 + " signature changed; retaining data."; 8244 reportSettingsProblem(Log.WARN, msg); 8245 } 8246 } 8247 } else { 8248 try { 8249 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 8250 verifySignaturesLP(pkgSetting, pkg); 8251 // We just determined the app is signed correctly, so bring 8252 // over the latest parsed certs. 8253 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8254 } catch (PackageManagerException e) { 8255 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8256 throw e; 8257 } 8258 // The signature has changed, but this package is in the system 8259 // image... let's recover! 8260 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8261 // However... if this package is part of a shared user, but it 8262 // doesn't match the signature of the shared user, let's fail. 8263 // What this means is that you can't change the signatures 8264 // associated with an overall shared user, which doesn't seem all 8265 // that unreasonable. 8266 if (pkgSetting.sharedUser != null) { 8267 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8268 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8269 throw new PackageManagerException( 8270 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8271 "Signature mismatch for shared user: " 8272 + pkgSetting.sharedUser); 8273 } 8274 } 8275 // File a report about this. 8276 String msg = "System package " + pkg.packageName 8277 + " signature changed; retaining data."; 8278 reportSettingsProblem(Log.WARN, msg); 8279 } 8280 } 8281 8282 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8283 // This package wants to adopt ownership of permissions from 8284 // another package. 8285 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8286 final String origName = pkg.mAdoptPermissions.get(i); 8287 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8288 if (orig != null) { 8289 if (verifyPackageUpdateLPr(orig, pkg)) { 8290 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8291 + pkg.packageName); 8292 // SIDE EFFECTS; updates permissions system state; move elsewhere 8293 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8294 } 8295 } 8296 } 8297 } 8298 } 8299 8300 pkg.applicationInfo.processName = fixProcessName( 8301 pkg.applicationInfo.packageName, 8302 pkg.applicationInfo.processName); 8303 8304 if (pkg != mPlatformPackage) { 8305 // Get all of our default paths setup 8306 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8307 } 8308 8309 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8310 8311 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8312 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 8313 derivePackageAbi( 8314 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 8315 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8316 8317 // Some system apps still use directory structure for native libraries 8318 // in which case we might end up not detecting abi solely based on apk 8319 // structure. Try to detect abi based on directory structure. 8320 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8321 pkg.applicationInfo.primaryCpuAbi == null) { 8322 setBundledAppAbisAndRoots(pkg, pkgSetting); 8323 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8324 } 8325 } else { 8326 if ((scanFlags & SCAN_MOVE) != 0) { 8327 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8328 // but we already have this packages package info in the PackageSetting. We just 8329 // use that and derive the native library path based on the new codepath. 8330 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8331 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8332 } 8333 8334 // Set native library paths again. For moves, the path will be updated based on the 8335 // ABIs we've determined above. For non-moves, the path will be updated based on the 8336 // ABIs we determined during compilation, but the path will depend on the final 8337 // package path (after the rename away from the stage path). 8338 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8339 } 8340 8341 // This is a special case for the "system" package, where the ABI is 8342 // dictated by the zygote configuration (and init.rc). We should keep track 8343 // of this ABI so that we can deal with "normal" applications that run under 8344 // the same UID correctly. 8345 if (mPlatformPackage == pkg) { 8346 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8347 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8348 } 8349 8350 // If there's a mismatch between the abi-override in the package setting 8351 // and the abiOverride specified for the install. Warn about this because we 8352 // would've already compiled the app without taking the package setting into 8353 // account. 8354 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8355 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8356 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8357 " for package " + pkg.packageName); 8358 } 8359 } 8360 8361 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8362 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8363 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8364 8365 // Copy the derived override back to the parsed package, so that we can 8366 // update the package settings accordingly. 8367 pkg.cpuAbiOverride = cpuAbiOverride; 8368 8369 if (DEBUG_ABI_SELECTION) { 8370 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8371 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8372 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8373 } 8374 8375 // Push the derived path down into PackageSettings so we know what to 8376 // clean up at uninstall time. 8377 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8378 8379 if (DEBUG_ABI_SELECTION) { 8380 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8381 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8382 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8383 } 8384 8385 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 8386 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8387 // We don't do this here during boot because we can do it all 8388 // at once after scanning all existing packages. 8389 // 8390 // We also do this *before* we perform dexopt on this package, so that 8391 // we can avoid redundant dexopts, and also to make sure we've got the 8392 // code and package path correct. 8393 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 8394 } 8395 8396 if (mFactoryTest && pkg.requestedPermissions.contains( 8397 android.Manifest.permission.FACTORY_TEST)) { 8398 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8399 } 8400 8401 if (isSystemApp(pkg)) { 8402 pkgSetting.isOrphaned = true; 8403 } 8404 8405 // Take care of first install / last update times. 8406 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8407 if (currentTime != 0) { 8408 if (pkgSetting.firstInstallTime == 0) { 8409 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8410 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 8411 pkgSetting.lastUpdateTime = currentTime; 8412 } 8413 } else if (pkgSetting.firstInstallTime == 0) { 8414 // We need *something*. Take time time stamp of the file. 8415 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8416 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8417 if (scanFileTime != pkgSetting.timeStamp) { 8418 // A package on the system image has changed; consider this 8419 // to be an update. 8420 pkgSetting.lastUpdateTime = scanFileTime; 8421 } 8422 } 8423 pkgSetting.setTimeStamp(scanFileTime); 8424 8425 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8426 if (nonMutatedPs != null) { 8427 synchronized (mPackages) { 8428 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8429 } 8430 } 8431 } else { 8432 // Modify state for the given package setting 8433 commitPackageSettings(pkg, pkgSetting, user, policyFlags, 8434 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 8435 } 8436 return pkg; 8437 } 8438 8439 /** 8440 * Applies policy to the parsed package based upon the given policy flags. 8441 * Ensures the package is in a good state. 8442 * <p> 8443 * Implementation detail: This method must NOT have any side effect. It would 8444 * ideally be static, but, it requires locks to read system state. 8445 */ 8446 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 8447 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8448 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8449 if (pkg.applicationInfo.isDirectBootAware()) { 8450 // we're direct boot aware; set for all components 8451 for (PackageParser.Service s : pkg.services) { 8452 s.info.encryptionAware = s.info.directBootAware = true; 8453 } 8454 for (PackageParser.Provider p : pkg.providers) { 8455 p.info.encryptionAware = p.info.directBootAware = true; 8456 } 8457 for (PackageParser.Activity a : pkg.activities) { 8458 a.info.encryptionAware = a.info.directBootAware = true; 8459 } 8460 for (PackageParser.Activity r : pkg.receivers) { 8461 r.info.encryptionAware = r.info.directBootAware = true; 8462 } 8463 } 8464 } else { 8465 // Only allow system apps to be flagged as core apps. 8466 pkg.coreApp = false; 8467 // clear flags not applicable to regular apps 8468 pkg.applicationInfo.privateFlags &= 8469 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8470 pkg.applicationInfo.privateFlags &= 8471 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8472 } 8473 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8474 8475 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8476 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8477 } 8478 8479 if (!isSystemApp(pkg)) { 8480 // Only system apps can use these features. 8481 pkg.mOriginalPackages = null; 8482 pkg.mRealPackage = null; 8483 pkg.mAdoptPermissions = null; 8484 } 8485 } 8486 8487 /** 8488 * Asserts the parsed package is valid according to teh given policy. If the 8489 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 8490 * <p> 8491 * Implementation detail: This method must NOT have any side effects. It would 8492 * ideally be static, but, it requires locks to read system state. 8493 * 8494 * @throws PackageManagerException If the package fails any of the validation checks 8495 */ 8496 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags) 8497 throws PackageManagerException { 8498 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8499 assertCodePolicy(pkg); 8500 } 8501 8502 if (pkg.applicationInfo.getCodePath() == null || 8503 pkg.applicationInfo.getResourcePath() == null) { 8504 // Bail out. The resource and code paths haven't been set. 8505 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8506 "Code and resource paths haven't been set correctly"); 8507 } 8508 8509 // Make sure we're not adding any bogus keyset info 8510 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8511 ksms.assertScannedPackageValid(pkg); 8512 8513 synchronized (mPackages) { 8514 // The special "android" package can only be defined once 8515 if (pkg.packageName.equals("android")) { 8516 if (mAndroidApplication != null) { 8517 Slog.w(TAG, "*************************************************"); 8518 Slog.w(TAG, "Core android package being redefined. Skipping."); 8519 Slog.w(TAG, " codePath=" + pkg.codePath); 8520 Slog.w(TAG, "*************************************************"); 8521 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8522 "Core android package being redefined. Skipping."); 8523 } 8524 } 8525 8526 // A package name must be unique; don't allow duplicates 8527 if (mPackages.containsKey(pkg.packageName) 8528 || mSharedLibraries.containsKey(pkg.packageName)) { 8529 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8530 "Application package " + pkg.packageName 8531 + " already installed. Skipping duplicate."); 8532 } 8533 8534 // Only privileged apps and updated privileged apps can add child packages. 8535 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8536 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8537 throw new PackageManagerException("Only privileged apps can add child " 8538 + "packages. Ignoring package " + pkg.packageName); 8539 } 8540 final int childCount = pkg.childPackages.size(); 8541 for (int i = 0; i < childCount; i++) { 8542 PackageParser.Package childPkg = pkg.childPackages.get(i); 8543 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8544 childPkg.packageName)) { 8545 throw new PackageManagerException("Can't override child of " 8546 + "another disabled app. Ignoring package " + pkg.packageName); 8547 } 8548 } 8549 } 8550 8551 // If we're only installing presumed-existing packages, require that the 8552 // scanned APK is both already known and at the path previously established 8553 // for it. Previously unknown packages we pick up normally, but if we have an 8554 // a priori expectation about this package's install presence, enforce it. 8555 // With a singular exception for new system packages. When an OTA contains 8556 // a new system package, we allow the codepath to change from a system location 8557 // to the user-installed location. If we don't allow this change, any newer, 8558 // user-installed version of the application will be ignored. 8559 if ((policyFlags & SCAN_REQUIRE_KNOWN) != 0) { 8560 if (mExpectingBetter.containsKey(pkg.packageName)) { 8561 logCriticalInfo(Log.WARN, 8562 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8563 } else { 8564 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8565 if (known != null) { 8566 if (DEBUG_PACKAGE_SCANNING) { 8567 Log.d(TAG, "Examining " + pkg.codePath 8568 + " and requiring known paths " + known.codePathString 8569 + " & " + known.resourcePathString); 8570 } 8571 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8572 || !pkg.applicationInfo.getResourcePath().equals( 8573 known.resourcePathString)) { 8574 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8575 "Application package " + pkg.packageName 8576 + " found at " + pkg.applicationInfo.getCodePath() 8577 + " but expected at " + known.codePathString 8578 + "; ignoring."); 8579 } 8580 } 8581 } 8582 } 8583 8584 // Verify that this new package doesn't have any content providers 8585 // that conflict with existing packages. Only do this if the 8586 // package isn't already installed, since we don't want to break 8587 // things that are installed. 8588 if ((policyFlags & SCAN_NEW_INSTALL) != 0) { 8589 final int N = pkg.providers.size(); 8590 int i; 8591 for (i=0; i<N; i++) { 8592 PackageParser.Provider p = pkg.providers.get(i); 8593 if (p.info.authority != null) { 8594 String names[] = p.info.authority.split(";"); 8595 for (int j = 0; j < names.length; j++) { 8596 if (mProvidersByAuthority.containsKey(names[j])) { 8597 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8598 final String otherPackageName = 8599 ((other != null && other.getComponentName() != null) ? 8600 other.getComponentName().getPackageName() : "?"); 8601 throw new PackageManagerException( 8602 INSTALL_FAILED_CONFLICTING_PROVIDER, 8603 "Can't install because provider name " + names[j] 8604 + " (in package " + pkg.applicationInfo.packageName 8605 + ") is already used by " + otherPackageName); 8606 } 8607 } 8608 } 8609 } 8610 } 8611 } 8612 } 8613 8614 /** 8615 * Adds a scanned package to the system. When this method is finished, the package will 8616 * be available for query, resolution, etc... 8617 */ 8618 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 8619 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 8620 final String pkgName = pkg.packageName; 8621 if (mCustomResolverComponentName != null && 8622 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8623 setUpCustomResolverActivity(pkg); 8624 } 8625 8626 if (pkg.packageName.equals("android")) { 8627 synchronized (mPackages) { 8628 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8629 // Set up information for our fall-back user intent resolution activity. 8630 mPlatformPackage = pkg; 8631 pkg.mVersionCode = mSdkVersion; 8632 mAndroidApplication = pkg.applicationInfo; 8633 8634 if (!mResolverReplaced) { 8635 mResolveActivity.applicationInfo = mAndroidApplication; 8636 mResolveActivity.name = ResolverActivity.class.getName(); 8637 mResolveActivity.packageName = mAndroidApplication.packageName; 8638 mResolveActivity.processName = "system:ui"; 8639 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8640 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8641 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8642 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8643 mResolveActivity.exported = true; 8644 mResolveActivity.enabled = true; 8645 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8646 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8647 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8648 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8649 | ActivityInfo.CONFIG_ORIENTATION 8650 | ActivityInfo.CONFIG_KEYBOARD 8651 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8652 mResolveInfo.activityInfo = mResolveActivity; 8653 mResolveInfo.priority = 0; 8654 mResolveInfo.preferredOrder = 0; 8655 mResolveInfo.match = 0; 8656 mResolveComponentName = new ComponentName( 8657 mAndroidApplication.packageName, mResolveActivity.name); 8658 } 8659 } 8660 } 8661 } 8662 8663 ArrayList<PackageParser.Package> clientLibPkgs = null; 8664 // writer 8665 synchronized (mPackages) { 8666 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8667 // Only system apps can add new shared libraries. 8668 if (pkg.libraryNames != null) { 8669 for (int i=0; i<pkg.libraryNames.size(); i++) { 8670 String name = pkg.libraryNames.get(i); 8671 boolean allowed = false; 8672 if (pkg.isUpdatedSystemApp()) { 8673 // New library entries can only be added through the 8674 // system image. This is important to get rid of a lot 8675 // of nasty edge cases: for example if we allowed a non- 8676 // system update of the app to add a library, then uninstalling 8677 // the update would make the library go away, and assumptions 8678 // we made such as through app install filtering would now 8679 // have allowed apps on the device which aren't compatible 8680 // with it. Better to just have the restriction here, be 8681 // conservative, and create many fewer cases that can negatively 8682 // impact the user experience. 8683 final PackageSetting sysPs = mSettings 8684 .getDisabledSystemPkgLPr(pkg.packageName); 8685 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8686 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8687 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8688 allowed = true; 8689 break; 8690 } 8691 } 8692 } 8693 } else { 8694 allowed = true; 8695 } 8696 if (allowed) { 8697 if (!mSharedLibraries.containsKey(name)) { 8698 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8699 } else if (!name.equals(pkg.packageName)) { 8700 Slog.w(TAG, "Package " + pkg.packageName + " library " 8701 + name + " already exists; skipping"); 8702 } 8703 } else { 8704 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8705 + name + " that is not declared on system image; skipping"); 8706 } 8707 } 8708 if ((scanFlags & SCAN_BOOTING) == 0) { 8709 // If we are not booting, we need to update any applications 8710 // that are clients of our shared library. If we are booting, 8711 // this will all be done once the scan is complete. 8712 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8713 } 8714 } 8715 } 8716 } 8717 8718 if ((scanFlags & SCAN_BOOTING) != 0) { 8719 // No apps can run during boot scan, so they don't need to be frozen 8720 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8721 // Caller asked to not kill app, so it's probably not frozen 8722 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8723 // Caller asked us to ignore frozen check for some reason; they 8724 // probably didn't know the package name 8725 } else { 8726 // We're doing major surgery on this package, so it better be frozen 8727 // right now to keep it from launching 8728 checkPackageFrozen(pkgName); 8729 } 8730 8731 // Also need to kill any apps that are dependent on the library. 8732 if (clientLibPkgs != null) { 8733 for (int i=0; i<clientLibPkgs.size(); i++) { 8734 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8735 killApplication(clientPkg.applicationInfo.packageName, 8736 clientPkg.applicationInfo.uid, "update lib"); 8737 } 8738 } 8739 8740 // writer 8741 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8742 8743 boolean createIdmapFailed = false; 8744 synchronized (mPackages) { 8745 // We don't expect installation to fail beyond this point 8746 8747 if (pkgSetting.pkg != null) { 8748 // Note that |user| might be null during the initial boot scan. If a codePath 8749 // for an app has changed during a boot scan, it's due to an app update that's 8750 // part of the system partition and marker changes must be applied to all users. 8751 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 8752 final int[] userIds = resolveUserIds(userId); 8753 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 8754 } 8755 8756 // Add the new setting to mSettings 8757 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8758 // Add the new setting to mPackages 8759 mPackages.put(pkg.applicationInfo.packageName, pkg); 8760 // Make sure we don't accidentally delete its data. 8761 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8762 while (iter.hasNext()) { 8763 PackageCleanItem item = iter.next(); 8764 if (pkgName.equals(item.packageName)) { 8765 iter.remove(); 8766 } 8767 } 8768 8769 // Add the package's KeySets to the global KeySetManagerService 8770 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8771 ksms.addScannedPackageLPw(pkg); 8772 8773 int N = pkg.providers.size(); 8774 StringBuilder r = null; 8775 int i; 8776 for (i=0; i<N; i++) { 8777 PackageParser.Provider p = pkg.providers.get(i); 8778 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8779 p.info.processName); 8780 mProviders.addProvider(p); 8781 p.syncable = p.info.isSyncable; 8782 if (p.info.authority != null) { 8783 String names[] = p.info.authority.split(";"); 8784 p.info.authority = null; 8785 for (int j = 0; j < names.length; j++) { 8786 if (j == 1 && p.syncable) { 8787 // We only want the first authority for a provider to possibly be 8788 // syncable, so if we already added this provider using a different 8789 // authority clear the syncable flag. We copy the provider before 8790 // changing it because the mProviders object contains a reference 8791 // to a provider that we don't want to change. 8792 // Only do this for the second authority since the resulting provider 8793 // object can be the same for all future authorities for this provider. 8794 p = new PackageParser.Provider(p); 8795 p.syncable = false; 8796 } 8797 if (!mProvidersByAuthority.containsKey(names[j])) { 8798 mProvidersByAuthority.put(names[j], p); 8799 if (p.info.authority == null) { 8800 p.info.authority = names[j]; 8801 } else { 8802 p.info.authority = p.info.authority + ";" + names[j]; 8803 } 8804 if (DEBUG_PACKAGE_SCANNING) { 8805 if (chatty) 8806 Log.d(TAG, "Registered content provider: " + names[j] 8807 + ", className = " + p.info.name + ", isSyncable = " 8808 + p.info.isSyncable); 8809 } 8810 } else { 8811 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8812 Slog.w(TAG, "Skipping provider name " + names[j] + 8813 " (in package " + pkg.applicationInfo.packageName + 8814 "): name already used by " 8815 + ((other != null && other.getComponentName() != null) 8816 ? other.getComponentName().getPackageName() : "?")); 8817 } 8818 } 8819 } 8820 if (chatty) { 8821 if (r == null) { 8822 r = new StringBuilder(256); 8823 } else { 8824 r.append(' '); 8825 } 8826 r.append(p.info.name); 8827 } 8828 } 8829 if (r != null) { 8830 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8831 } 8832 8833 N = pkg.services.size(); 8834 r = null; 8835 for (i=0; i<N; i++) { 8836 PackageParser.Service s = pkg.services.get(i); 8837 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8838 s.info.processName); 8839 mServices.addService(s); 8840 if (chatty) { 8841 if (r == null) { 8842 r = new StringBuilder(256); 8843 } else { 8844 r.append(' '); 8845 } 8846 r.append(s.info.name); 8847 } 8848 } 8849 if (r != null) { 8850 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8851 } 8852 8853 N = pkg.receivers.size(); 8854 r = null; 8855 for (i=0; i<N; i++) { 8856 PackageParser.Activity a = pkg.receivers.get(i); 8857 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8858 a.info.processName); 8859 mReceivers.addActivity(a, "receiver"); 8860 if (chatty) { 8861 if (r == null) { 8862 r = new StringBuilder(256); 8863 } else { 8864 r.append(' '); 8865 } 8866 r.append(a.info.name); 8867 } 8868 } 8869 if (r != null) { 8870 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8871 } 8872 8873 N = pkg.activities.size(); 8874 r = null; 8875 for (i=0; i<N; i++) { 8876 PackageParser.Activity a = pkg.activities.get(i); 8877 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8878 a.info.processName); 8879 mActivities.addActivity(a, "activity"); 8880 if (chatty) { 8881 if (r == null) { 8882 r = new StringBuilder(256); 8883 } else { 8884 r.append(' '); 8885 } 8886 r.append(a.info.name); 8887 } 8888 } 8889 if (r != null) { 8890 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8891 } 8892 8893 N = pkg.permissionGroups.size(); 8894 r = null; 8895 for (i=0; i<N; i++) { 8896 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8897 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8898 final String curPackageName = cur == null ? null : cur.info.packageName; 8899 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 8900 if (cur == null || isPackageUpdate) { 8901 mPermissionGroups.put(pg.info.name, pg); 8902 if (chatty) { 8903 if (r == null) { 8904 r = new StringBuilder(256); 8905 } else { 8906 r.append(' '); 8907 } 8908 if (isPackageUpdate) { 8909 r.append("UPD:"); 8910 } 8911 r.append(pg.info.name); 8912 } 8913 } else { 8914 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8915 + pg.info.packageName + " ignored: original from " 8916 + cur.info.packageName); 8917 if (chatty) { 8918 if (r == null) { 8919 r = new StringBuilder(256); 8920 } else { 8921 r.append(' '); 8922 } 8923 r.append("DUP:"); 8924 r.append(pg.info.name); 8925 } 8926 } 8927 } 8928 if (r != null) { 8929 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8930 } 8931 8932 N = pkg.permissions.size(); 8933 r = null; 8934 for (i=0; i<N; i++) { 8935 PackageParser.Permission p = pkg.permissions.get(i); 8936 8937 // Assume by default that we did not install this permission into the system. 8938 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8939 8940 // Now that permission groups have a special meaning, we ignore permission 8941 // groups for legacy apps to prevent unexpected behavior. In particular, 8942 // permissions for one app being granted to someone just becase they happen 8943 // to be in a group defined by another app (before this had no implications). 8944 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8945 p.group = mPermissionGroups.get(p.info.group); 8946 // Warn for a permission in an unknown group. 8947 if (p.info.group != null && p.group == null) { 8948 Slog.w(TAG, "Permission " + p.info.name + " from package " 8949 + p.info.packageName + " in an unknown group " + p.info.group); 8950 } 8951 } 8952 8953 ArrayMap<String, BasePermission> permissionMap = 8954 p.tree ? mSettings.mPermissionTrees 8955 : mSettings.mPermissions; 8956 BasePermission bp = permissionMap.get(p.info.name); 8957 8958 // Allow system apps to redefine non-system permissions 8959 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8960 final boolean currentOwnerIsSystem = (bp.perm != null 8961 && isSystemApp(bp.perm.owner)); 8962 if (isSystemApp(p.owner)) { 8963 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8964 // It's a built-in permission and no owner, take ownership now 8965 bp.packageSetting = pkgSetting; 8966 bp.perm = p; 8967 bp.uid = pkg.applicationInfo.uid; 8968 bp.sourcePackage = p.info.packageName; 8969 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8970 } else if (!currentOwnerIsSystem) { 8971 String msg = "New decl " + p.owner + " of permission " 8972 + p.info.name + " is system; overriding " + bp.sourcePackage; 8973 reportSettingsProblem(Log.WARN, msg); 8974 bp = null; 8975 } 8976 } 8977 } 8978 8979 if (bp == null) { 8980 bp = new BasePermission(p.info.name, p.info.packageName, 8981 BasePermission.TYPE_NORMAL); 8982 permissionMap.put(p.info.name, bp); 8983 } 8984 8985 if (bp.perm == null) { 8986 if (bp.sourcePackage == null 8987 || bp.sourcePackage.equals(p.info.packageName)) { 8988 BasePermission tree = findPermissionTreeLP(p.info.name); 8989 if (tree == null 8990 || tree.sourcePackage.equals(p.info.packageName)) { 8991 bp.packageSetting = pkgSetting; 8992 bp.perm = p; 8993 bp.uid = pkg.applicationInfo.uid; 8994 bp.sourcePackage = p.info.packageName; 8995 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8996 if (chatty) { 8997 if (r == null) { 8998 r = new StringBuilder(256); 8999 } else { 9000 r.append(' '); 9001 } 9002 r.append(p.info.name); 9003 } 9004 } else { 9005 Slog.w(TAG, "Permission " + p.info.name + " from package " 9006 + p.info.packageName + " ignored: base tree " 9007 + tree.name + " is from package " 9008 + tree.sourcePackage); 9009 } 9010 } else { 9011 Slog.w(TAG, "Permission " + p.info.name + " from package " 9012 + p.info.packageName + " ignored: original from " 9013 + bp.sourcePackage); 9014 } 9015 } else if (chatty) { 9016 if (r == null) { 9017 r = new StringBuilder(256); 9018 } else { 9019 r.append(' '); 9020 } 9021 r.append("DUP:"); 9022 r.append(p.info.name); 9023 } 9024 if (bp.perm == p) { 9025 bp.protectionLevel = p.info.protectionLevel; 9026 } 9027 } 9028 9029 if (r != null) { 9030 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 9031 } 9032 9033 N = pkg.instrumentation.size(); 9034 r = null; 9035 for (i=0; i<N; i++) { 9036 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9037 a.info.packageName = pkg.applicationInfo.packageName; 9038 a.info.sourceDir = pkg.applicationInfo.sourceDir; 9039 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 9040 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 9041 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 9042 a.info.dataDir = pkg.applicationInfo.dataDir; 9043 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 9044 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 9045 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 9046 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 9047 mInstrumentation.put(a.getComponentName(), a); 9048 if (chatty) { 9049 if (r == null) { 9050 r = new StringBuilder(256); 9051 } else { 9052 r.append(' '); 9053 } 9054 r.append(a.info.name); 9055 } 9056 } 9057 if (r != null) { 9058 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 9059 } 9060 9061 if (pkg.protectedBroadcasts != null) { 9062 N = pkg.protectedBroadcasts.size(); 9063 for (i=0; i<N; i++) { 9064 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 9065 } 9066 } 9067 9068 // Create idmap files for pairs of (packages, overlay packages). 9069 // Note: "android", ie framework-res.apk, is handled by native layers. 9070 if (pkg.mOverlayTarget != null) { 9071 // This is an overlay package. 9072 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 9073 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 9074 mOverlays.put(pkg.mOverlayTarget, 9075 new ArrayMap<String, PackageParser.Package>()); 9076 } 9077 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 9078 map.put(pkg.packageName, pkg); 9079 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 9080 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 9081 createIdmapFailed = true; 9082 } 9083 } 9084 } else if (mOverlays.containsKey(pkg.packageName) && 9085 !pkg.packageName.equals("android")) { 9086 // This is a regular package, with one or more known overlay packages. 9087 createIdmapsForPackageLI(pkg); 9088 } 9089 } 9090 9091 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9092 9093 if (createIdmapFailed) { 9094 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9095 "scanPackageLI failed to createIdmap"); 9096 } 9097 } 9098 9099 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9100 PackageParser.Package update, int[] userIds) { 9101 if (existing.applicationInfo == null || update.applicationInfo == null) { 9102 // This isn't due to an app installation. 9103 return; 9104 } 9105 9106 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9107 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9108 9109 // The codePath hasn't changed, so there's nothing for us to do. 9110 if (Objects.equals(oldCodePath, newCodePath)) { 9111 return; 9112 } 9113 9114 File canonicalNewCodePath; 9115 try { 9116 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9117 } catch (IOException e) { 9118 Slog.w(TAG, "Failed to get canonical path.", e); 9119 return; 9120 } 9121 9122 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9123 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9124 // that the last component of the path (i.e, the name) doesn't need canonicalization 9125 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9126 // but may change in the future. Hopefully this function won't exist at that point. 9127 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9128 oldCodePath.getName()); 9129 9130 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9131 // with "@". 9132 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9133 if (!oldMarkerPrefix.endsWith("@")) { 9134 oldMarkerPrefix += "@"; 9135 } 9136 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9137 if (!newMarkerPrefix.endsWith("@")) { 9138 newMarkerPrefix += "@"; 9139 } 9140 9141 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9142 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9143 for (String updatedPath : updatedPaths) { 9144 String updatedPathName = new File(updatedPath).getName(); 9145 markerSuffixes.add(updatedPathName.replace('/', '@')); 9146 } 9147 9148 for (int userId : userIds) { 9149 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9150 9151 for (String markerSuffix : markerSuffixes) { 9152 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9153 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9154 if (oldForeignUseMark.exists()) { 9155 try { 9156 Os.rename(oldForeignUseMark.getAbsolutePath(), 9157 newForeignUseMark.getAbsolutePath()); 9158 } catch (ErrnoException e) { 9159 Slog.w(TAG, "Failed to rename foreign use marker", e); 9160 oldForeignUseMark.delete(); 9161 } 9162 } 9163 } 9164 } 9165 } 9166 9167 /** 9168 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9169 * is derived purely on the basis of the contents of {@code scanFile} and 9170 * {@code cpuAbiOverride}. 9171 * 9172 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9173 */ 9174 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9175 String cpuAbiOverride, boolean extractLibs, 9176 File appLib32InstallDir) 9177 throws PackageManagerException { 9178 // TODO: We can probably be smarter about this stuff. For installed apps, 9179 // we can calculate this information at install time once and for all. For 9180 // system apps, we can probably assume that this information doesn't change 9181 // after the first boot scan. As things stand, we do lots of unnecessary work. 9182 9183 // Give ourselves some initial paths; we'll come back for another 9184 // pass once we've determined ABI below. 9185 setNativeLibraryPaths(pkg, appLib32InstallDir); 9186 9187 // We would never need to extract libs for forward-locked and external packages, 9188 // since the container service will do it for us. We shouldn't attempt to 9189 // extract libs from system app when it was not updated. 9190 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9191 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9192 extractLibs = false; 9193 } 9194 9195 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9196 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9197 9198 NativeLibraryHelper.Handle handle = null; 9199 try { 9200 handle = NativeLibraryHelper.Handle.create(pkg); 9201 // TODO(multiArch): This can be null for apps that didn't go through the 9202 // usual installation process. We can calculate it again, like we 9203 // do during install time. 9204 // 9205 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9206 // unnecessary. 9207 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9208 9209 // Null out the abis so that they can be recalculated. 9210 pkg.applicationInfo.primaryCpuAbi = null; 9211 pkg.applicationInfo.secondaryCpuAbi = null; 9212 if (isMultiArch(pkg.applicationInfo)) { 9213 // Warn if we've set an abiOverride for multi-lib packages.. 9214 // By definition, we need to copy both 32 and 64 bit libraries for 9215 // such packages. 9216 if (pkg.cpuAbiOverride != null 9217 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9218 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9219 } 9220 9221 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9222 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9223 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9224 if (extractLibs) { 9225 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9226 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9227 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9228 useIsaSpecificSubdirs); 9229 } else { 9230 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9231 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9232 } 9233 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9234 } 9235 9236 maybeThrowExceptionForMultiArchCopy( 9237 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9238 9239 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9240 if (extractLibs) { 9241 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9242 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9243 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9244 useIsaSpecificSubdirs); 9245 } else { 9246 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9247 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9248 } 9249 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9250 } 9251 9252 maybeThrowExceptionForMultiArchCopy( 9253 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9254 9255 if (abi64 >= 0) { 9256 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9257 } 9258 9259 if (abi32 >= 0) { 9260 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9261 if (abi64 >= 0) { 9262 if (pkg.use32bitAbi) { 9263 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9264 pkg.applicationInfo.primaryCpuAbi = abi; 9265 } else { 9266 pkg.applicationInfo.secondaryCpuAbi = abi; 9267 } 9268 } else { 9269 pkg.applicationInfo.primaryCpuAbi = abi; 9270 } 9271 } 9272 9273 } else { 9274 String[] abiList = (cpuAbiOverride != null) ? 9275 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9276 9277 // Enable gross and lame hacks for apps that are built with old 9278 // SDK tools. We must scan their APKs for renderscript bitcode and 9279 // not launch them if it's present. Don't bother checking on devices 9280 // that don't have 64 bit support. 9281 boolean needsRenderScriptOverride = false; 9282 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9283 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9284 abiList = Build.SUPPORTED_32_BIT_ABIS; 9285 needsRenderScriptOverride = true; 9286 } 9287 9288 final int copyRet; 9289 if (extractLibs) { 9290 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9291 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9292 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9293 } else { 9294 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9295 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9296 } 9297 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9298 9299 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9300 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9301 "Error unpackaging native libs for app, errorCode=" + copyRet); 9302 } 9303 9304 if (copyRet >= 0) { 9305 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9306 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9307 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9308 } else if (needsRenderScriptOverride) { 9309 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9310 } 9311 } 9312 } catch (IOException ioe) { 9313 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9314 } finally { 9315 IoUtils.closeQuietly(handle); 9316 } 9317 9318 // Now that we've calculated the ABIs and determined if it's an internal app, 9319 // we will go ahead and populate the nativeLibraryPath. 9320 setNativeLibraryPaths(pkg, appLib32InstallDir); 9321 } 9322 9323 /** 9324 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9325 * i.e, so that all packages can be run inside a single process if required. 9326 * 9327 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9328 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9329 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9330 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9331 * updating a package that belongs to a shared user. 9332 * 9333 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9334 * adds unnecessary complexity. 9335 */ 9336 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9337 PackageParser.Package scannedPackage) { 9338 String requiredInstructionSet = null; 9339 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9340 requiredInstructionSet = VMRuntime.getInstructionSet( 9341 scannedPackage.applicationInfo.primaryCpuAbi); 9342 } 9343 9344 PackageSetting requirer = null; 9345 for (PackageSetting ps : packagesForUser) { 9346 // If packagesForUser contains scannedPackage, we skip it. This will happen 9347 // when scannedPackage is an update of an existing package. Without this check, 9348 // we will never be able to change the ABI of any package belonging to a shared 9349 // user, even if it's compatible with other packages. 9350 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9351 if (ps.primaryCpuAbiString == null) { 9352 continue; 9353 } 9354 9355 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9356 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9357 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9358 // this but there's not much we can do. 9359 String errorMessage = "Instruction set mismatch, " 9360 + ((requirer == null) ? "[caller]" : requirer) 9361 + " requires " + requiredInstructionSet + " whereas " + ps 9362 + " requires " + instructionSet; 9363 Slog.w(TAG, errorMessage); 9364 } 9365 9366 if (requiredInstructionSet == null) { 9367 requiredInstructionSet = instructionSet; 9368 requirer = ps; 9369 } 9370 } 9371 } 9372 9373 if (requiredInstructionSet != null) { 9374 String adjustedAbi; 9375 if (requirer != null) { 9376 // requirer != null implies that either scannedPackage was null or that scannedPackage 9377 // did not require an ABI, in which case we have to adjust scannedPackage to match 9378 // the ABI of the set (which is the same as requirer's ABI) 9379 adjustedAbi = requirer.primaryCpuAbiString; 9380 if (scannedPackage != null) { 9381 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9382 } 9383 } else { 9384 // requirer == null implies that we're updating all ABIs in the set to 9385 // match scannedPackage. 9386 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9387 } 9388 9389 for (PackageSetting ps : packagesForUser) { 9390 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9391 if (ps.primaryCpuAbiString != null) { 9392 continue; 9393 } 9394 9395 ps.primaryCpuAbiString = adjustedAbi; 9396 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9397 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9398 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9399 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9400 + " (requirer=" 9401 + (requirer == null ? "null" : requirer.pkg.packageName) 9402 + ", scannedPackage=" 9403 + (scannedPackage != null ? scannedPackage.packageName : "null") 9404 + ")"); 9405 try { 9406 mInstaller.rmdex(ps.codePathString, 9407 getDexCodeInstructionSet(getPreferredInstructionSet())); 9408 } catch (InstallerException ignored) { 9409 } 9410 } 9411 } 9412 } 9413 } 9414 } 9415 9416 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9417 synchronized (mPackages) { 9418 mResolverReplaced = true; 9419 // Set up information for custom user intent resolution activity. 9420 mResolveActivity.applicationInfo = pkg.applicationInfo; 9421 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9422 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9423 mResolveActivity.processName = pkg.applicationInfo.packageName; 9424 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9425 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9426 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9427 mResolveActivity.theme = 0; 9428 mResolveActivity.exported = true; 9429 mResolveActivity.enabled = true; 9430 mResolveInfo.activityInfo = mResolveActivity; 9431 mResolveInfo.priority = 0; 9432 mResolveInfo.preferredOrder = 0; 9433 mResolveInfo.match = 0; 9434 mResolveComponentName = mCustomResolverComponentName; 9435 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9436 mResolveComponentName); 9437 } 9438 } 9439 9440 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9441 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9442 9443 // Set up information for ephemeral installer activity 9444 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9445 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9446 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9447 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9448 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9449 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9450 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9451 mEphemeralInstallerActivity.theme = 0; 9452 mEphemeralInstallerActivity.exported = true; 9453 mEphemeralInstallerActivity.enabled = true; 9454 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9455 mEphemeralInstallerInfo.priority = 0; 9456 mEphemeralInstallerInfo.preferredOrder = 1; 9457 mEphemeralInstallerInfo.isDefault = true; 9458 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9459 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9460 9461 if (DEBUG_EPHEMERAL) { 9462 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9463 } 9464 } 9465 9466 private static String calculateBundledApkRoot(final String codePathString) { 9467 final File codePath = new File(codePathString); 9468 final File codeRoot; 9469 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9470 codeRoot = Environment.getRootDirectory(); 9471 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9472 codeRoot = Environment.getOemDirectory(); 9473 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9474 codeRoot = Environment.getVendorDirectory(); 9475 } else { 9476 // Unrecognized code path; take its top real segment as the apk root: 9477 // e.g. /something/app/blah.apk => /something 9478 try { 9479 File f = codePath.getCanonicalFile(); 9480 File parent = f.getParentFile(); // non-null because codePath is a file 9481 File tmp; 9482 while ((tmp = parent.getParentFile()) != null) { 9483 f = parent; 9484 parent = tmp; 9485 } 9486 codeRoot = f; 9487 Slog.w(TAG, "Unrecognized code path " 9488 + codePath + " - using " + codeRoot); 9489 } catch (IOException e) { 9490 // Can't canonicalize the code path -- shenanigans? 9491 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9492 return Environment.getRootDirectory().getPath(); 9493 } 9494 } 9495 return codeRoot.getPath(); 9496 } 9497 9498 /** 9499 * Derive and set the location of native libraries for the given package, 9500 * which varies depending on where and how the package was installed. 9501 */ 9502 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 9503 final ApplicationInfo info = pkg.applicationInfo; 9504 final String codePath = pkg.codePath; 9505 final File codeFile = new File(codePath); 9506 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9507 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9508 9509 info.nativeLibraryRootDir = null; 9510 info.nativeLibraryRootRequiresIsa = false; 9511 info.nativeLibraryDir = null; 9512 info.secondaryNativeLibraryDir = null; 9513 9514 if (isApkFile(codeFile)) { 9515 // Monolithic install 9516 if (bundledApp) { 9517 // If "/system/lib64/apkname" exists, assume that is the per-package 9518 // native library directory to use; otherwise use "/system/lib/apkname". 9519 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9520 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9521 getPrimaryInstructionSet(info)); 9522 9523 // This is a bundled system app so choose the path based on the ABI. 9524 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9525 // is just the default path. 9526 final String apkName = deriveCodePathName(codePath); 9527 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9528 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9529 apkName).getAbsolutePath(); 9530 9531 if (info.secondaryCpuAbi != null) { 9532 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9533 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9534 secondaryLibDir, apkName).getAbsolutePath(); 9535 } 9536 } else if (asecApp) { 9537 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9538 .getAbsolutePath(); 9539 } else { 9540 final String apkName = deriveCodePathName(codePath); 9541 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 9542 .getAbsolutePath(); 9543 } 9544 9545 info.nativeLibraryRootRequiresIsa = false; 9546 info.nativeLibraryDir = info.nativeLibraryRootDir; 9547 } else { 9548 // Cluster install 9549 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9550 info.nativeLibraryRootRequiresIsa = true; 9551 9552 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9553 getPrimaryInstructionSet(info)).getAbsolutePath(); 9554 9555 if (info.secondaryCpuAbi != null) { 9556 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9557 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9558 } 9559 } 9560 } 9561 9562 /** 9563 * Calculate the abis and roots for a bundled app. These can uniquely 9564 * be determined from the contents of the system partition, i.e whether 9565 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9566 * of this information, and instead assume that the system was built 9567 * sensibly. 9568 */ 9569 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9570 PackageSetting pkgSetting) { 9571 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9572 9573 // If "/system/lib64/apkname" exists, assume that is the per-package 9574 // native library directory to use; otherwise use "/system/lib/apkname". 9575 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9576 setBundledAppAbi(pkg, apkRoot, apkName); 9577 // pkgSetting might be null during rescan following uninstall of updates 9578 // to a bundled app, so accommodate that possibility. The settings in 9579 // that case will be established later from the parsed package. 9580 // 9581 // If the settings aren't null, sync them up with what we've just derived. 9582 // note that apkRoot isn't stored in the package settings. 9583 if (pkgSetting != null) { 9584 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9585 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9586 } 9587 } 9588 9589 /** 9590 * Deduces the ABI of a bundled app and sets the relevant fields on the 9591 * parsed pkg object. 9592 * 9593 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9594 * under which system libraries are installed. 9595 * @param apkName the name of the installed package. 9596 */ 9597 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9598 final File codeFile = new File(pkg.codePath); 9599 9600 final boolean has64BitLibs; 9601 final boolean has32BitLibs; 9602 if (isApkFile(codeFile)) { 9603 // Monolithic install 9604 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9605 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9606 } else { 9607 // Cluster install 9608 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9609 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9610 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9611 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9612 has64BitLibs = (new File(rootDir, isa)).exists(); 9613 } else { 9614 has64BitLibs = false; 9615 } 9616 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9617 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9618 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9619 has32BitLibs = (new File(rootDir, isa)).exists(); 9620 } else { 9621 has32BitLibs = false; 9622 } 9623 } 9624 9625 if (has64BitLibs && !has32BitLibs) { 9626 // The package has 64 bit libs, but not 32 bit libs. Its primary 9627 // ABI should be 64 bit. We can safely assume here that the bundled 9628 // native libraries correspond to the most preferred ABI in the list. 9629 9630 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9631 pkg.applicationInfo.secondaryCpuAbi = null; 9632 } else if (has32BitLibs && !has64BitLibs) { 9633 // The package has 32 bit libs but not 64 bit libs. Its primary 9634 // ABI should be 32 bit. 9635 9636 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9637 pkg.applicationInfo.secondaryCpuAbi = null; 9638 } else if (has32BitLibs && has64BitLibs) { 9639 // The application has both 64 and 32 bit bundled libraries. We check 9640 // here that the app declares multiArch support, and warn if it doesn't. 9641 // 9642 // We will be lenient here and record both ABIs. The primary will be the 9643 // ABI that's higher on the list, i.e, a device that's configured to prefer 9644 // 64 bit apps will see a 64 bit primary ABI, 9645 9646 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9647 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9648 } 9649 9650 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9651 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9652 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9653 } else { 9654 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9655 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9656 } 9657 } else { 9658 pkg.applicationInfo.primaryCpuAbi = null; 9659 pkg.applicationInfo.secondaryCpuAbi = null; 9660 } 9661 } 9662 9663 private void killApplication(String pkgName, int appId, String reason) { 9664 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9665 } 9666 9667 private void killApplication(String pkgName, int appId, int userId, String reason) { 9668 // Request the ActivityManager to kill the process(only for existing packages) 9669 // so that we do not end up in a confused state while the user is still using the older 9670 // version of the application while the new one gets installed. 9671 final long token = Binder.clearCallingIdentity(); 9672 try { 9673 IActivityManager am = ActivityManagerNative.getDefault(); 9674 if (am != null) { 9675 try { 9676 am.killApplication(pkgName, appId, userId, reason); 9677 } catch (RemoteException e) { 9678 } 9679 } 9680 } finally { 9681 Binder.restoreCallingIdentity(token); 9682 } 9683 } 9684 9685 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9686 // Remove the parent package setting 9687 PackageSetting ps = (PackageSetting) pkg.mExtras; 9688 if (ps != null) { 9689 removePackageLI(ps, chatty); 9690 } 9691 // Remove the child package setting 9692 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9693 for (int i = 0; i < childCount; i++) { 9694 PackageParser.Package childPkg = pkg.childPackages.get(i); 9695 ps = (PackageSetting) childPkg.mExtras; 9696 if (ps != null) { 9697 removePackageLI(ps, chatty); 9698 } 9699 } 9700 } 9701 9702 void removePackageLI(PackageSetting ps, boolean chatty) { 9703 if (DEBUG_INSTALL) { 9704 if (chatty) 9705 Log.d(TAG, "Removing package " + ps.name); 9706 } 9707 9708 // writer 9709 synchronized (mPackages) { 9710 mPackages.remove(ps.name); 9711 final PackageParser.Package pkg = ps.pkg; 9712 if (pkg != null) { 9713 cleanPackageDataStructuresLILPw(pkg, chatty); 9714 } 9715 } 9716 } 9717 9718 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9719 if (DEBUG_INSTALL) { 9720 if (chatty) 9721 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9722 } 9723 9724 // writer 9725 synchronized (mPackages) { 9726 // Remove the parent package 9727 mPackages.remove(pkg.applicationInfo.packageName); 9728 cleanPackageDataStructuresLILPw(pkg, chatty); 9729 9730 // Remove the child packages 9731 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9732 for (int i = 0; i < childCount; i++) { 9733 PackageParser.Package childPkg = pkg.childPackages.get(i); 9734 mPackages.remove(childPkg.applicationInfo.packageName); 9735 cleanPackageDataStructuresLILPw(childPkg, chatty); 9736 } 9737 } 9738 } 9739 9740 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9741 int N = pkg.providers.size(); 9742 StringBuilder r = null; 9743 int i; 9744 for (i=0; i<N; i++) { 9745 PackageParser.Provider p = pkg.providers.get(i); 9746 mProviders.removeProvider(p); 9747 if (p.info.authority == null) { 9748 9749 /* There was another ContentProvider with this authority when 9750 * this app was installed so this authority is null, 9751 * Ignore it as we don't have to unregister the provider. 9752 */ 9753 continue; 9754 } 9755 String names[] = p.info.authority.split(";"); 9756 for (int j = 0; j < names.length; j++) { 9757 if (mProvidersByAuthority.get(names[j]) == p) { 9758 mProvidersByAuthority.remove(names[j]); 9759 if (DEBUG_REMOVE) { 9760 if (chatty) 9761 Log.d(TAG, "Unregistered content provider: " + names[j] 9762 + ", className = " + p.info.name + ", isSyncable = " 9763 + p.info.isSyncable); 9764 } 9765 } 9766 } 9767 if (DEBUG_REMOVE && chatty) { 9768 if (r == null) { 9769 r = new StringBuilder(256); 9770 } else { 9771 r.append(' '); 9772 } 9773 r.append(p.info.name); 9774 } 9775 } 9776 if (r != null) { 9777 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9778 } 9779 9780 N = pkg.services.size(); 9781 r = null; 9782 for (i=0; i<N; i++) { 9783 PackageParser.Service s = pkg.services.get(i); 9784 mServices.removeService(s); 9785 if (chatty) { 9786 if (r == null) { 9787 r = new StringBuilder(256); 9788 } else { 9789 r.append(' '); 9790 } 9791 r.append(s.info.name); 9792 } 9793 } 9794 if (r != null) { 9795 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9796 } 9797 9798 N = pkg.receivers.size(); 9799 r = null; 9800 for (i=0; i<N; i++) { 9801 PackageParser.Activity a = pkg.receivers.get(i); 9802 mReceivers.removeActivity(a, "receiver"); 9803 if (DEBUG_REMOVE && chatty) { 9804 if (r == null) { 9805 r = new StringBuilder(256); 9806 } else { 9807 r.append(' '); 9808 } 9809 r.append(a.info.name); 9810 } 9811 } 9812 if (r != null) { 9813 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9814 } 9815 9816 N = pkg.activities.size(); 9817 r = null; 9818 for (i=0; i<N; i++) { 9819 PackageParser.Activity a = pkg.activities.get(i); 9820 mActivities.removeActivity(a, "activity"); 9821 if (DEBUG_REMOVE && chatty) { 9822 if (r == null) { 9823 r = new StringBuilder(256); 9824 } else { 9825 r.append(' '); 9826 } 9827 r.append(a.info.name); 9828 } 9829 } 9830 if (r != null) { 9831 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9832 } 9833 9834 N = pkg.permissions.size(); 9835 r = null; 9836 for (i=0; i<N; i++) { 9837 PackageParser.Permission p = pkg.permissions.get(i); 9838 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9839 if (bp == null) { 9840 bp = mSettings.mPermissionTrees.get(p.info.name); 9841 } 9842 if (bp != null && bp.perm == p) { 9843 bp.perm = null; 9844 if (DEBUG_REMOVE && chatty) { 9845 if (r == null) { 9846 r = new StringBuilder(256); 9847 } else { 9848 r.append(' '); 9849 } 9850 r.append(p.info.name); 9851 } 9852 } 9853 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9854 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9855 if (appOpPkgs != null) { 9856 appOpPkgs.remove(pkg.packageName); 9857 } 9858 } 9859 } 9860 if (r != null) { 9861 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9862 } 9863 9864 N = pkg.requestedPermissions.size(); 9865 r = null; 9866 for (i=0; i<N; i++) { 9867 String perm = pkg.requestedPermissions.get(i); 9868 BasePermission bp = mSettings.mPermissions.get(perm); 9869 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9870 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9871 if (appOpPkgs != null) { 9872 appOpPkgs.remove(pkg.packageName); 9873 if (appOpPkgs.isEmpty()) { 9874 mAppOpPermissionPackages.remove(perm); 9875 } 9876 } 9877 } 9878 } 9879 if (r != null) { 9880 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9881 } 9882 9883 N = pkg.instrumentation.size(); 9884 r = null; 9885 for (i=0; i<N; i++) { 9886 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9887 mInstrumentation.remove(a.getComponentName()); 9888 if (DEBUG_REMOVE && chatty) { 9889 if (r == null) { 9890 r = new StringBuilder(256); 9891 } else { 9892 r.append(' '); 9893 } 9894 r.append(a.info.name); 9895 } 9896 } 9897 if (r != null) { 9898 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9899 } 9900 9901 r = null; 9902 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9903 // Only system apps can hold shared libraries. 9904 if (pkg.libraryNames != null) { 9905 for (i=0; i<pkg.libraryNames.size(); i++) { 9906 String name = pkg.libraryNames.get(i); 9907 SharedLibraryEntry cur = mSharedLibraries.get(name); 9908 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9909 mSharedLibraries.remove(name); 9910 if (DEBUG_REMOVE && chatty) { 9911 if (r == null) { 9912 r = new StringBuilder(256); 9913 } else { 9914 r.append(' '); 9915 } 9916 r.append(name); 9917 } 9918 } 9919 } 9920 } 9921 } 9922 if (r != null) { 9923 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9924 } 9925 } 9926 9927 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9928 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9929 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9930 return true; 9931 } 9932 } 9933 return false; 9934 } 9935 9936 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9937 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9938 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9939 9940 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9941 // Update the parent permissions 9942 updatePermissionsLPw(pkg.packageName, pkg, flags); 9943 // Update the child permissions 9944 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9945 for (int i = 0; i < childCount; i++) { 9946 PackageParser.Package childPkg = pkg.childPackages.get(i); 9947 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9948 } 9949 } 9950 9951 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9952 int flags) { 9953 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9954 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9955 } 9956 9957 private void updatePermissionsLPw(String changingPkg, 9958 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9959 // Make sure there are no dangling permission trees. 9960 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9961 while (it.hasNext()) { 9962 final BasePermission bp = it.next(); 9963 if (bp.packageSetting == null) { 9964 // We may not yet have parsed the package, so just see if 9965 // we still know about its settings. 9966 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9967 } 9968 if (bp.packageSetting == null) { 9969 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9970 + " from package " + bp.sourcePackage); 9971 it.remove(); 9972 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9973 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9974 Slog.i(TAG, "Removing old permission tree: " + bp.name 9975 + " from package " + bp.sourcePackage); 9976 flags |= UPDATE_PERMISSIONS_ALL; 9977 it.remove(); 9978 } 9979 } 9980 } 9981 9982 // Make sure all dynamic permissions have been assigned to a package, 9983 // and make sure there are no dangling permissions. 9984 it = mSettings.mPermissions.values().iterator(); 9985 while (it.hasNext()) { 9986 final BasePermission bp = it.next(); 9987 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9988 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9989 + bp.name + " pkg=" + bp.sourcePackage 9990 + " info=" + bp.pendingInfo); 9991 if (bp.packageSetting == null && bp.pendingInfo != null) { 9992 final BasePermission tree = findPermissionTreeLP(bp.name); 9993 if (tree != null && tree.perm != null) { 9994 bp.packageSetting = tree.packageSetting; 9995 bp.perm = new PackageParser.Permission(tree.perm.owner, 9996 new PermissionInfo(bp.pendingInfo)); 9997 bp.perm.info.packageName = tree.perm.info.packageName; 9998 bp.perm.info.name = bp.name; 9999 bp.uid = tree.uid; 10000 } 10001 } 10002 } 10003 if (bp.packageSetting == null) { 10004 // We may not yet have parsed the package, so just see if 10005 // we still know about its settings. 10006 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 10007 } 10008 if (bp.packageSetting == null) { 10009 Slog.w(TAG, "Removing dangling permission: " + bp.name 10010 + " from package " + bp.sourcePackage); 10011 it.remove(); 10012 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 10013 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 10014 Slog.i(TAG, "Removing old permission: " + bp.name 10015 + " from package " + bp.sourcePackage); 10016 flags |= UPDATE_PERMISSIONS_ALL; 10017 it.remove(); 10018 } 10019 } 10020 } 10021 10022 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 10023 // Now update the permissions for all packages, in particular 10024 // replace the granted permissions of the system packages. 10025 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 10026 for (PackageParser.Package pkg : mPackages.values()) { 10027 if (pkg != pkgInfo) { 10028 // Only replace for packages on requested volume 10029 final String volumeUuid = getVolumeUuidForPackage(pkg); 10030 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 10031 && Objects.equals(replaceVolumeUuid, volumeUuid); 10032 grantPermissionsLPw(pkg, replace, changingPkg); 10033 } 10034 } 10035 } 10036 10037 if (pkgInfo != null) { 10038 // Only replace for packages on requested volume 10039 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 10040 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 10041 && Objects.equals(replaceVolumeUuid, volumeUuid); 10042 grantPermissionsLPw(pkgInfo, replace, changingPkg); 10043 } 10044 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10045 } 10046 10047 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 10048 String packageOfInterest) { 10049 // IMPORTANT: There are two types of permissions: install and runtime. 10050 // Install time permissions are granted when the app is installed to 10051 // all device users and users added in the future. Runtime permissions 10052 // are granted at runtime explicitly to specific users. Normal and signature 10053 // protected permissions are install time permissions. Dangerous permissions 10054 // are install permissions if the app's target SDK is Lollipop MR1 or older, 10055 // otherwise they are runtime permissions. This function does not manage 10056 // runtime permissions except for the case an app targeting Lollipop MR1 10057 // being upgraded to target a newer SDK, in which case dangerous permissions 10058 // are transformed from install time to runtime ones. 10059 10060 final PackageSetting ps = (PackageSetting) pkg.mExtras; 10061 if (ps == null) { 10062 return; 10063 } 10064 10065 PermissionsState permissionsState = ps.getPermissionsState(); 10066 PermissionsState origPermissions = permissionsState; 10067 10068 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 10069 10070 boolean runtimePermissionsRevoked = false; 10071 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 10072 10073 boolean changedInstallPermission = false; 10074 10075 if (replace) { 10076 ps.installPermissionsFixed = false; 10077 if (!ps.isSharedUser()) { 10078 origPermissions = new PermissionsState(permissionsState); 10079 permissionsState.reset(); 10080 } else { 10081 // We need to know only about runtime permission changes since the 10082 // calling code always writes the install permissions state but 10083 // the runtime ones are written only if changed. The only cases of 10084 // changed runtime permissions here are promotion of an install to 10085 // runtime and revocation of a runtime from a shared user. 10086 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 10087 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10088 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10089 runtimePermissionsRevoked = true; 10090 } 10091 } 10092 } 10093 10094 permissionsState.setGlobalGids(mGlobalGids); 10095 10096 final int N = pkg.requestedPermissions.size(); 10097 for (int i=0; i<N; i++) { 10098 final String name = pkg.requestedPermissions.get(i); 10099 final BasePermission bp = mSettings.mPermissions.get(name); 10100 10101 if (DEBUG_INSTALL) { 10102 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10103 } 10104 10105 if (bp == null || bp.packageSetting == null) { 10106 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10107 Slog.w(TAG, "Unknown permission " + name 10108 + " in package " + pkg.packageName); 10109 } 10110 continue; 10111 } 10112 10113 final String perm = bp.name; 10114 boolean allowedSig = false; 10115 int grant = GRANT_DENIED; 10116 10117 // Keep track of app op permissions. 10118 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10119 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10120 if (pkgs == null) { 10121 pkgs = new ArraySet<>(); 10122 mAppOpPermissionPackages.put(bp.name, pkgs); 10123 } 10124 pkgs.add(pkg.packageName); 10125 } 10126 10127 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10128 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10129 >= Build.VERSION_CODES.M; 10130 switch (level) { 10131 case PermissionInfo.PROTECTION_NORMAL: { 10132 // For all apps normal permissions are install time ones. 10133 grant = GRANT_INSTALL; 10134 } break; 10135 10136 case PermissionInfo.PROTECTION_DANGEROUS: { 10137 // If a permission review is required for legacy apps we represent 10138 // their permissions as always granted runtime ones since we need 10139 // to keep the review required permission flag per user while an 10140 // install permission's state is shared across all users. 10141 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 10142 // For legacy apps dangerous permissions are install time ones. 10143 grant = GRANT_INSTALL; 10144 } else if (origPermissions.hasInstallPermission(bp.name)) { 10145 // For legacy apps that became modern, install becomes runtime. 10146 grant = GRANT_UPGRADE; 10147 } else if (mPromoteSystemApps 10148 && isSystemApp(ps) 10149 && mExistingSystemPackages.contains(ps.name)) { 10150 // For legacy system apps, install becomes runtime. 10151 // We cannot check hasInstallPermission() for system apps since those 10152 // permissions were granted implicitly and not persisted pre-M. 10153 grant = GRANT_UPGRADE; 10154 } else { 10155 // For modern apps keep runtime permissions unchanged. 10156 grant = GRANT_RUNTIME; 10157 } 10158 } break; 10159 10160 case PermissionInfo.PROTECTION_SIGNATURE: { 10161 // For all apps signature permissions are install time ones. 10162 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10163 if (allowedSig) { 10164 grant = GRANT_INSTALL; 10165 } 10166 } break; 10167 } 10168 10169 if (DEBUG_INSTALL) { 10170 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10171 } 10172 10173 if (grant != GRANT_DENIED) { 10174 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10175 // If this is an existing, non-system package, then 10176 // we can't add any new permissions to it. 10177 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10178 // Except... if this is a permission that was added 10179 // to the platform (note: need to only do this when 10180 // updating the platform). 10181 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10182 grant = GRANT_DENIED; 10183 } 10184 } 10185 } 10186 10187 switch (grant) { 10188 case GRANT_INSTALL: { 10189 // Revoke this as runtime permission to handle the case of 10190 // a runtime permission being downgraded to an install one. 10191 // Also in permission review mode we keep dangerous permissions 10192 // for legacy apps 10193 for (int userId : UserManagerService.getInstance().getUserIds()) { 10194 if (origPermissions.getRuntimePermissionState( 10195 bp.name, userId) != null) { 10196 // Revoke the runtime permission and clear the flags. 10197 origPermissions.revokeRuntimePermission(bp, userId); 10198 origPermissions.updatePermissionFlags(bp, userId, 10199 PackageManager.MASK_PERMISSION_FLAGS, 0); 10200 // If we revoked a permission permission, we have to write. 10201 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10202 changedRuntimePermissionUserIds, userId); 10203 } 10204 } 10205 // Grant an install permission. 10206 if (permissionsState.grantInstallPermission(bp) != 10207 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10208 changedInstallPermission = true; 10209 } 10210 } break; 10211 10212 case GRANT_RUNTIME: { 10213 // Grant previously granted runtime permissions. 10214 for (int userId : UserManagerService.getInstance().getUserIds()) { 10215 PermissionState permissionState = origPermissions 10216 .getRuntimePermissionState(bp.name, userId); 10217 int flags = permissionState != null 10218 ? permissionState.getFlags() : 0; 10219 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10220 if (permissionsState.grantRuntimePermission(bp, userId) == 10221 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10222 // If we cannot put the permission as it was, we have to write. 10223 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10224 changedRuntimePermissionUserIds, userId); 10225 } 10226 // If the app supports runtime permissions no need for a review. 10227 if (mPermissionReviewRequired 10228 && appSupportsRuntimePermissions 10229 && (flags & PackageManager 10230 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10231 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10232 // Since we changed the flags, we have to write. 10233 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10234 changedRuntimePermissionUserIds, userId); 10235 } 10236 } else if (mPermissionReviewRequired 10237 && !appSupportsRuntimePermissions) { 10238 // For legacy apps that need a permission review, every new 10239 // runtime permission is granted but it is pending a review. 10240 // We also need to review only platform defined runtime 10241 // permissions as these are the only ones the platform knows 10242 // how to disable the API to simulate revocation as legacy 10243 // apps don't expect to run with revoked permissions. 10244 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10245 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10246 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10247 // We changed the flags, hence have to write. 10248 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10249 changedRuntimePermissionUserIds, userId); 10250 } 10251 } 10252 if (permissionsState.grantRuntimePermission(bp, userId) 10253 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10254 // We changed the permission, hence have to write. 10255 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10256 changedRuntimePermissionUserIds, userId); 10257 } 10258 } 10259 // Propagate the permission flags. 10260 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10261 } 10262 } break; 10263 10264 case GRANT_UPGRADE: { 10265 // Grant runtime permissions for a previously held install permission. 10266 PermissionState permissionState = origPermissions 10267 .getInstallPermissionState(bp.name); 10268 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10269 10270 if (origPermissions.revokeInstallPermission(bp) 10271 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10272 // We will be transferring the permission flags, so clear them. 10273 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10274 PackageManager.MASK_PERMISSION_FLAGS, 0); 10275 changedInstallPermission = true; 10276 } 10277 10278 // If the permission is not to be promoted to runtime we ignore it and 10279 // also its other flags as they are not applicable to install permissions. 10280 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10281 for (int userId : currentUserIds) { 10282 if (permissionsState.grantRuntimePermission(bp, userId) != 10283 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10284 // Transfer the permission flags. 10285 permissionsState.updatePermissionFlags(bp, userId, 10286 flags, flags); 10287 // If we granted the permission, we have to write. 10288 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10289 changedRuntimePermissionUserIds, userId); 10290 } 10291 } 10292 } 10293 } break; 10294 10295 default: { 10296 if (packageOfInterest == null 10297 || packageOfInterest.equals(pkg.packageName)) { 10298 Slog.w(TAG, "Not granting permission " + perm 10299 + " to package " + pkg.packageName 10300 + " because it was previously installed without"); 10301 } 10302 } break; 10303 } 10304 } else { 10305 if (permissionsState.revokeInstallPermission(bp) != 10306 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10307 // Also drop the permission flags. 10308 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10309 PackageManager.MASK_PERMISSION_FLAGS, 0); 10310 changedInstallPermission = true; 10311 Slog.i(TAG, "Un-granting permission " + perm 10312 + " from package " + pkg.packageName 10313 + " (protectionLevel=" + bp.protectionLevel 10314 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10315 + ")"); 10316 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10317 // Don't print warning for app op permissions, since it is fine for them 10318 // not to be granted, there is a UI for the user to decide. 10319 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10320 Slog.w(TAG, "Not granting permission " + perm 10321 + " to package " + pkg.packageName 10322 + " (protectionLevel=" + bp.protectionLevel 10323 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10324 + ")"); 10325 } 10326 } 10327 } 10328 } 10329 10330 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10331 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10332 // This is the first that we have heard about this package, so the 10333 // permissions we have now selected are fixed until explicitly 10334 // changed. 10335 ps.installPermissionsFixed = true; 10336 } 10337 10338 // Persist the runtime permissions state for users with changes. If permissions 10339 // were revoked because no app in the shared user declares them we have to 10340 // write synchronously to avoid losing runtime permissions state. 10341 for (int userId : changedRuntimePermissionUserIds) { 10342 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10343 } 10344 } 10345 10346 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10347 boolean allowed = false; 10348 final int NP = PackageParser.NEW_PERMISSIONS.length; 10349 for (int ip=0; ip<NP; ip++) { 10350 final PackageParser.NewPermissionInfo npi 10351 = PackageParser.NEW_PERMISSIONS[ip]; 10352 if (npi.name.equals(perm) 10353 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10354 allowed = true; 10355 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10356 + pkg.packageName); 10357 break; 10358 } 10359 } 10360 return allowed; 10361 } 10362 10363 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10364 BasePermission bp, PermissionsState origPermissions) { 10365 boolean allowed; 10366 allowed = (compareSignatures( 10367 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10368 == PackageManager.SIGNATURE_MATCH) 10369 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10370 == PackageManager.SIGNATURE_MATCH); 10371 if (!allowed && (bp.protectionLevel 10372 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10373 if (isSystemApp(pkg)) { 10374 // For updated system applications, a system permission 10375 // is granted only if it had been defined by the original application. 10376 if (pkg.isUpdatedSystemApp()) { 10377 final PackageSetting sysPs = mSettings 10378 .getDisabledSystemPkgLPr(pkg.packageName); 10379 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10380 // If the original was granted this permission, we take 10381 // that grant decision as read and propagate it to the 10382 // update. 10383 if (sysPs.isPrivileged()) { 10384 allowed = true; 10385 } 10386 } else { 10387 // The system apk may have been updated with an older 10388 // version of the one on the data partition, but which 10389 // granted a new system permission that it didn't have 10390 // before. In this case we do want to allow the app to 10391 // now get the new permission if the ancestral apk is 10392 // privileged to get it. 10393 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10394 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10395 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10396 allowed = true; 10397 break; 10398 } 10399 } 10400 } 10401 // Also if a privileged parent package on the system image or any of 10402 // its children requested a privileged permission, the updated child 10403 // packages can also get the permission. 10404 if (pkg.parentPackage != null) { 10405 final PackageSetting disabledSysParentPs = mSettings 10406 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10407 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10408 && disabledSysParentPs.isPrivileged()) { 10409 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10410 allowed = true; 10411 } else if (disabledSysParentPs.pkg.childPackages != null) { 10412 final int count = disabledSysParentPs.pkg.childPackages.size(); 10413 for (int i = 0; i < count; i++) { 10414 PackageParser.Package disabledSysChildPkg = 10415 disabledSysParentPs.pkg.childPackages.get(i); 10416 if (isPackageRequestingPermission(disabledSysChildPkg, 10417 perm)) { 10418 allowed = true; 10419 break; 10420 } 10421 } 10422 } 10423 } 10424 } 10425 } 10426 } else { 10427 allowed = isPrivilegedApp(pkg); 10428 } 10429 } 10430 } 10431 if (!allowed) { 10432 if (!allowed && (bp.protectionLevel 10433 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10434 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10435 // If this was a previously normal/dangerous permission that got moved 10436 // to a system permission as part of the runtime permission redesign, then 10437 // we still want to blindly grant it to old apps. 10438 allowed = true; 10439 } 10440 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10441 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10442 // If this permission is to be granted to the system installer and 10443 // this app is an installer, then it gets the permission. 10444 allowed = true; 10445 } 10446 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10447 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10448 // If this permission is to be granted to the system verifier and 10449 // this app is a verifier, then it gets the permission. 10450 allowed = true; 10451 } 10452 if (!allowed && (bp.protectionLevel 10453 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10454 && isSystemApp(pkg)) { 10455 // Any pre-installed system app is allowed to get this permission. 10456 allowed = true; 10457 } 10458 if (!allowed && (bp.protectionLevel 10459 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10460 // For development permissions, a development permission 10461 // is granted only if it was already granted. 10462 allowed = origPermissions.hasInstallPermission(perm); 10463 } 10464 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10465 && pkg.packageName.equals(mSetupWizardPackage)) { 10466 // If this permission is to be granted to the system setup wizard and 10467 // this app is a setup wizard, then it gets the permission. 10468 allowed = true; 10469 } 10470 } 10471 return allowed; 10472 } 10473 10474 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10475 final int permCount = pkg.requestedPermissions.size(); 10476 for (int j = 0; j < permCount; j++) { 10477 String requestedPermission = pkg.requestedPermissions.get(j); 10478 if (permission.equals(requestedPermission)) { 10479 return true; 10480 } 10481 } 10482 return false; 10483 } 10484 10485 final class ActivityIntentResolver 10486 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10487 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10488 boolean defaultOnly, int userId) { 10489 if (!sUserManager.exists(userId)) return null; 10490 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10491 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10492 } 10493 10494 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10495 int userId) { 10496 if (!sUserManager.exists(userId)) return null; 10497 mFlags = flags; 10498 return super.queryIntent(intent, resolvedType, 10499 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10500 } 10501 10502 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10503 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10504 if (!sUserManager.exists(userId)) return null; 10505 if (packageActivities == null) { 10506 return null; 10507 } 10508 mFlags = flags; 10509 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10510 final int N = packageActivities.size(); 10511 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10512 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10513 10514 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10515 for (int i = 0; i < N; ++i) { 10516 intentFilters = packageActivities.get(i).intents; 10517 if (intentFilters != null && intentFilters.size() > 0) { 10518 PackageParser.ActivityIntentInfo[] array = 10519 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10520 intentFilters.toArray(array); 10521 listCut.add(array); 10522 } 10523 } 10524 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10525 } 10526 10527 /** 10528 * Finds a privileged activity that matches the specified activity names. 10529 */ 10530 private PackageParser.Activity findMatchingActivity( 10531 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10532 for (PackageParser.Activity sysActivity : activityList) { 10533 if (sysActivity.info.name.equals(activityInfo.name)) { 10534 return sysActivity; 10535 } 10536 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10537 return sysActivity; 10538 } 10539 if (sysActivity.info.targetActivity != null) { 10540 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10541 return sysActivity; 10542 } 10543 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10544 return sysActivity; 10545 } 10546 } 10547 } 10548 return null; 10549 } 10550 10551 public class IterGenerator<E> { 10552 public Iterator<E> generate(ActivityIntentInfo info) { 10553 return null; 10554 } 10555 } 10556 10557 public class ActionIterGenerator extends IterGenerator<String> { 10558 @Override 10559 public Iterator<String> generate(ActivityIntentInfo info) { 10560 return info.actionsIterator(); 10561 } 10562 } 10563 10564 public class CategoriesIterGenerator extends IterGenerator<String> { 10565 @Override 10566 public Iterator<String> generate(ActivityIntentInfo info) { 10567 return info.categoriesIterator(); 10568 } 10569 } 10570 10571 public class SchemesIterGenerator extends IterGenerator<String> { 10572 @Override 10573 public Iterator<String> generate(ActivityIntentInfo info) { 10574 return info.schemesIterator(); 10575 } 10576 } 10577 10578 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10579 @Override 10580 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10581 return info.authoritiesIterator(); 10582 } 10583 } 10584 10585 /** 10586 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10587 * MODIFIED. Do not pass in a list that should not be changed. 10588 */ 10589 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10590 IterGenerator<T> generator, Iterator<T> searchIterator) { 10591 // loop through the set of actions; every one must be found in the intent filter 10592 while (searchIterator.hasNext()) { 10593 // we must have at least one filter in the list to consider a match 10594 if (intentList.size() == 0) { 10595 break; 10596 } 10597 10598 final T searchAction = searchIterator.next(); 10599 10600 // loop through the set of intent filters 10601 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10602 while (intentIter.hasNext()) { 10603 final ActivityIntentInfo intentInfo = intentIter.next(); 10604 boolean selectionFound = false; 10605 10606 // loop through the intent filter's selection criteria; at least one 10607 // of them must match the searched criteria 10608 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10609 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10610 final T intentSelection = intentSelectionIter.next(); 10611 if (intentSelection != null && intentSelection.equals(searchAction)) { 10612 selectionFound = true; 10613 break; 10614 } 10615 } 10616 10617 // the selection criteria wasn't found in this filter's set; this filter 10618 // is not a potential match 10619 if (!selectionFound) { 10620 intentIter.remove(); 10621 } 10622 } 10623 } 10624 } 10625 10626 private boolean isProtectedAction(ActivityIntentInfo filter) { 10627 final Iterator<String> actionsIter = filter.actionsIterator(); 10628 while (actionsIter != null && actionsIter.hasNext()) { 10629 final String filterAction = actionsIter.next(); 10630 if (PROTECTED_ACTIONS.contains(filterAction)) { 10631 return true; 10632 } 10633 } 10634 return false; 10635 } 10636 10637 /** 10638 * Adjusts the priority of the given intent filter according to policy. 10639 * <p> 10640 * <ul> 10641 * <li>The priority for non privileged applications is capped to '0'</li> 10642 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10643 * <li>The priority for unbundled updates to privileged applications is capped to the 10644 * priority defined on the system partition</li> 10645 * </ul> 10646 * <p> 10647 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10648 * allowed to obtain any priority on any action. 10649 */ 10650 private void adjustPriority( 10651 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10652 // nothing to do; priority is fine as-is 10653 if (intent.getPriority() <= 0) { 10654 return; 10655 } 10656 10657 final ActivityInfo activityInfo = intent.activity.info; 10658 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10659 10660 final boolean privilegedApp = 10661 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10662 if (!privilegedApp) { 10663 // non-privileged applications can never define a priority >0 10664 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10665 + " package: " + applicationInfo.packageName 10666 + " activity: " + intent.activity.className 10667 + " origPrio: " + intent.getPriority()); 10668 intent.setPriority(0); 10669 return; 10670 } 10671 10672 if (systemActivities == null) { 10673 // the system package is not disabled; we're parsing the system partition 10674 if (isProtectedAction(intent)) { 10675 if (mDeferProtectedFilters) { 10676 // We can't deal with these just yet. No component should ever obtain a 10677 // >0 priority for a protected actions, with ONE exception -- the setup 10678 // wizard. The setup wizard, however, cannot be known until we're able to 10679 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10680 // until all intent filters have been processed. Chicken, meet egg. 10681 // Let the filter temporarily have a high priority and rectify the 10682 // priorities after all system packages have been scanned. 10683 mProtectedFilters.add(intent); 10684 if (DEBUG_FILTERS) { 10685 Slog.i(TAG, "Protected action; save for later;" 10686 + " package: " + applicationInfo.packageName 10687 + " activity: " + intent.activity.className 10688 + " origPrio: " + intent.getPriority()); 10689 } 10690 return; 10691 } else { 10692 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10693 Slog.i(TAG, "No setup wizard;" 10694 + " All protected intents capped to priority 0"); 10695 } 10696 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10697 if (DEBUG_FILTERS) { 10698 Slog.i(TAG, "Found setup wizard;" 10699 + " allow priority " + intent.getPriority() + ";" 10700 + " package: " + intent.activity.info.packageName 10701 + " activity: " + intent.activity.className 10702 + " priority: " + intent.getPriority()); 10703 } 10704 // setup wizard gets whatever it wants 10705 return; 10706 } 10707 Slog.w(TAG, "Protected action; cap priority to 0;" 10708 + " package: " + intent.activity.info.packageName 10709 + " activity: " + intent.activity.className 10710 + " origPrio: " + intent.getPriority()); 10711 intent.setPriority(0); 10712 return; 10713 } 10714 } 10715 // privileged apps on the system image get whatever priority they request 10716 return; 10717 } 10718 10719 // privileged app unbundled update ... try to find the same activity 10720 final PackageParser.Activity foundActivity = 10721 findMatchingActivity(systemActivities, activityInfo); 10722 if (foundActivity == null) { 10723 // this is a new activity; it cannot obtain >0 priority 10724 if (DEBUG_FILTERS) { 10725 Slog.i(TAG, "New activity; cap priority to 0;" 10726 + " package: " + applicationInfo.packageName 10727 + " activity: " + intent.activity.className 10728 + " origPrio: " + intent.getPriority()); 10729 } 10730 intent.setPriority(0); 10731 return; 10732 } 10733 10734 // found activity, now check for filter equivalence 10735 10736 // a shallow copy is enough; we modify the list, not its contents 10737 final List<ActivityIntentInfo> intentListCopy = 10738 new ArrayList<>(foundActivity.intents); 10739 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10740 10741 // find matching action subsets 10742 final Iterator<String> actionsIterator = intent.actionsIterator(); 10743 if (actionsIterator != null) { 10744 getIntentListSubset( 10745 intentListCopy, new ActionIterGenerator(), actionsIterator); 10746 if (intentListCopy.size() == 0) { 10747 // no more intents to match; we're not equivalent 10748 if (DEBUG_FILTERS) { 10749 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10750 + " package: " + applicationInfo.packageName 10751 + " activity: " + intent.activity.className 10752 + " origPrio: " + intent.getPriority()); 10753 } 10754 intent.setPriority(0); 10755 return; 10756 } 10757 } 10758 10759 // find matching category subsets 10760 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10761 if (categoriesIterator != null) { 10762 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10763 categoriesIterator); 10764 if (intentListCopy.size() == 0) { 10765 // no more intents to match; we're not equivalent 10766 if (DEBUG_FILTERS) { 10767 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10768 + " package: " + applicationInfo.packageName 10769 + " activity: " + intent.activity.className 10770 + " origPrio: " + intent.getPriority()); 10771 } 10772 intent.setPriority(0); 10773 return; 10774 } 10775 } 10776 10777 // find matching schemes subsets 10778 final Iterator<String> schemesIterator = intent.schemesIterator(); 10779 if (schemesIterator != null) { 10780 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10781 schemesIterator); 10782 if (intentListCopy.size() == 0) { 10783 // no more intents to match; we're not equivalent 10784 if (DEBUG_FILTERS) { 10785 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10786 + " package: " + applicationInfo.packageName 10787 + " activity: " + intent.activity.className 10788 + " origPrio: " + intent.getPriority()); 10789 } 10790 intent.setPriority(0); 10791 return; 10792 } 10793 } 10794 10795 // find matching authorities subsets 10796 final Iterator<IntentFilter.AuthorityEntry> 10797 authoritiesIterator = intent.authoritiesIterator(); 10798 if (authoritiesIterator != null) { 10799 getIntentListSubset(intentListCopy, 10800 new AuthoritiesIterGenerator(), 10801 authoritiesIterator); 10802 if (intentListCopy.size() == 0) { 10803 // no more intents to match; we're not equivalent 10804 if (DEBUG_FILTERS) { 10805 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10806 + " package: " + applicationInfo.packageName 10807 + " activity: " + intent.activity.className 10808 + " origPrio: " + intent.getPriority()); 10809 } 10810 intent.setPriority(0); 10811 return; 10812 } 10813 } 10814 10815 // we found matching filter(s); app gets the max priority of all intents 10816 int cappedPriority = 0; 10817 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10818 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10819 } 10820 if (intent.getPriority() > cappedPriority) { 10821 if (DEBUG_FILTERS) { 10822 Slog.i(TAG, "Found matching filter(s);" 10823 + " cap priority to " + cappedPriority + ";" 10824 + " package: " + applicationInfo.packageName 10825 + " activity: " + intent.activity.className 10826 + " origPrio: " + intent.getPriority()); 10827 } 10828 intent.setPriority(cappedPriority); 10829 return; 10830 } 10831 // all this for nothing; the requested priority was <= what was on the system 10832 } 10833 10834 public final void addActivity(PackageParser.Activity a, String type) { 10835 mActivities.put(a.getComponentName(), a); 10836 if (DEBUG_SHOW_INFO) 10837 Log.v( 10838 TAG, " " + type + " " + 10839 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10840 if (DEBUG_SHOW_INFO) 10841 Log.v(TAG, " Class=" + a.info.name); 10842 final int NI = a.intents.size(); 10843 for (int j=0; j<NI; j++) { 10844 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10845 if ("activity".equals(type)) { 10846 final PackageSetting ps = 10847 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10848 final List<PackageParser.Activity> systemActivities = 10849 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10850 adjustPriority(systemActivities, intent); 10851 } 10852 if (DEBUG_SHOW_INFO) { 10853 Log.v(TAG, " IntentFilter:"); 10854 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10855 } 10856 if (!intent.debugCheck()) { 10857 Log.w(TAG, "==> For Activity " + a.info.name); 10858 } 10859 addFilter(intent); 10860 } 10861 } 10862 10863 public final void removeActivity(PackageParser.Activity a, String type) { 10864 mActivities.remove(a.getComponentName()); 10865 if (DEBUG_SHOW_INFO) { 10866 Log.v(TAG, " " + type + " " 10867 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10868 : a.info.name) + ":"); 10869 Log.v(TAG, " Class=" + a.info.name); 10870 } 10871 final int NI = a.intents.size(); 10872 for (int j=0; j<NI; j++) { 10873 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10874 if (DEBUG_SHOW_INFO) { 10875 Log.v(TAG, " IntentFilter:"); 10876 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10877 } 10878 removeFilter(intent); 10879 } 10880 } 10881 10882 @Override 10883 protected boolean allowFilterResult( 10884 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10885 ActivityInfo filterAi = filter.activity.info; 10886 for (int i=dest.size()-1; i>=0; i--) { 10887 ActivityInfo destAi = dest.get(i).activityInfo; 10888 if (destAi.name == filterAi.name 10889 && destAi.packageName == filterAi.packageName) { 10890 return false; 10891 } 10892 } 10893 return true; 10894 } 10895 10896 @Override 10897 protected ActivityIntentInfo[] newArray(int size) { 10898 return new ActivityIntentInfo[size]; 10899 } 10900 10901 @Override 10902 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10903 if (!sUserManager.exists(userId)) return true; 10904 PackageParser.Package p = filter.activity.owner; 10905 if (p != null) { 10906 PackageSetting ps = (PackageSetting)p.mExtras; 10907 if (ps != null) { 10908 // System apps are never considered stopped for purposes of 10909 // filtering, because there may be no way for the user to 10910 // actually re-launch them. 10911 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10912 && ps.getStopped(userId); 10913 } 10914 } 10915 return false; 10916 } 10917 10918 @Override 10919 protected boolean isPackageForFilter(String packageName, 10920 PackageParser.ActivityIntentInfo info) { 10921 return packageName.equals(info.activity.owner.packageName); 10922 } 10923 10924 @Override 10925 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10926 int match, int userId) { 10927 if (!sUserManager.exists(userId)) return null; 10928 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10929 return null; 10930 } 10931 final PackageParser.Activity activity = info.activity; 10932 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10933 if (ps == null) { 10934 return null; 10935 } 10936 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10937 ps.readUserState(userId), userId); 10938 if (ai == null) { 10939 return null; 10940 } 10941 final ResolveInfo res = new ResolveInfo(); 10942 res.activityInfo = ai; 10943 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10944 res.filter = info; 10945 } 10946 if (info != null) { 10947 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10948 } 10949 res.priority = info.getPriority(); 10950 res.preferredOrder = activity.owner.mPreferredOrder; 10951 //System.out.println("Result: " + res.activityInfo.className + 10952 // " = " + res.priority); 10953 res.match = match; 10954 res.isDefault = info.hasDefault; 10955 res.labelRes = info.labelRes; 10956 res.nonLocalizedLabel = info.nonLocalizedLabel; 10957 if (userNeedsBadging(userId)) { 10958 res.noResourceId = true; 10959 } else { 10960 res.icon = info.icon; 10961 } 10962 res.iconResourceId = info.icon; 10963 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10964 return res; 10965 } 10966 10967 @Override 10968 protected void sortResults(List<ResolveInfo> results) { 10969 Collections.sort(results, mResolvePrioritySorter); 10970 } 10971 10972 @Override 10973 protected void dumpFilter(PrintWriter out, String prefix, 10974 PackageParser.ActivityIntentInfo filter) { 10975 out.print(prefix); out.print( 10976 Integer.toHexString(System.identityHashCode(filter.activity))); 10977 out.print(' '); 10978 filter.activity.printComponentShortName(out); 10979 out.print(" filter "); 10980 out.println(Integer.toHexString(System.identityHashCode(filter))); 10981 } 10982 10983 @Override 10984 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10985 return filter.activity; 10986 } 10987 10988 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10989 PackageParser.Activity activity = (PackageParser.Activity)label; 10990 out.print(prefix); out.print( 10991 Integer.toHexString(System.identityHashCode(activity))); 10992 out.print(' '); 10993 activity.printComponentShortName(out); 10994 if (count > 1) { 10995 out.print(" ("); out.print(count); out.print(" filters)"); 10996 } 10997 out.println(); 10998 } 10999 11000 // Keys are String (activity class name), values are Activity. 11001 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 11002 = new ArrayMap<ComponentName, PackageParser.Activity>(); 11003 private int mFlags; 11004 } 11005 11006 private final class ServiceIntentResolver 11007 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 11008 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11009 boolean defaultOnly, int userId) { 11010 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11011 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11012 } 11013 11014 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11015 int userId) { 11016 if (!sUserManager.exists(userId)) return null; 11017 mFlags = flags; 11018 return super.queryIntent(intent, resolvedType, 11019 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11020 } 11021 11022 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11023 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 11024 if (!sUserManager.exists(userId)) return null; 11025 if (packageServices == null) { 11026 return null; 11027 } 11028 mFlags = flags; 11029 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 11030 final int N = packageServices.size(); 11031 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 11032 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 11033 11034 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 11035 for (int i = 0; i < N; ++i) { 11036 intentFilters = packageServices.get(i).intents; 11037 if (intentFilters != null && intentFilters.size() > 0) { 11038 PackageParser.ServiceIntentInfo[] array = 11039 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 11040 intentFilters.toArray(array); 11041 listCut.add(array); 11042 } 11043 } 11044 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11045 } 11046 11047 public final void addService(PackageParser.Service s) { 11048 mServices.put(s.getComponentName(), s); 11049 if (DEBUG_SHOW_INFO) { 11050 Log.v(TAG, " " 11051 + (s.info.nonLocalizedLabel != null 11052 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11053 Log.v(TAG, " Class=" + s.info.name); 11054 } 11055 final int NI = s.intents.size(); 11056 int j; 11057 for (j=0; j<NI; j++) { 11058 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11059 if (DEBUG_SHOW_INFO) { 11060 Log.v(TAG, " IntentFilter:"); 11061 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11062 } 11063 if (!intent.debugCheck()) { 11064 Log.w(TAG, "==> For Service " + s.info.name); 11065 } 11066 addFilter(intent); 11067 } 11068 } 11069 11070 public final void removeService(PackageParser.Service s) { 11071 mServices.remove(s.getComponentName()); 11072 if (DEBUG_SHOW_INFO) { 11073 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 11074 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11075 Log.v(TAG, " Class=" + s.info.name); 11076 } 11077 final int NI = s.intents.size(); 11078 int j; 11079 for (j=0; j<NI; j++) { 11080 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11081 if (DEBUG_SHOW_INFO) { 11082 Log.v(TAG, " IntentFilter:"); 11083 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11084 } 11085 removeFilter(intent); 11086 } 11087 } 11088 11089 @Override 11090 protected boolean allowFilterResult( 11091 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11092 ServiceInfo filterSi = filter.service.info; 11093 for (int i=dest.size()-1; i>=0; i--) { 11094 ServiceInfo destAi = dest.get(i).serviceInfo; 11095 if (destAi.name == filterSi.name 11096 && destAi.packageName == filterSi.packageName) { 11097 return false; 11098 } 11099 } 11100 return true; 11101 } 11102 11103 @Override 11104 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11105 return new PackageParser.ServiceIntentInfo[size]; 11106 } 11107 11108 @Override 11109 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11110 if (!sUserManager.exists(userId)) return true; 11111 PackageParser.Package p = filter.service.owner; 11112 if (p != null) { 11113 PackageSetting ps = (PackageSetting)p.mExtras; 11114 if (ps != null) { 11115 // System apps are never considered stopped for purposes of 11116 // filtering, because there may be no way for the user to 11117 // actually re-launch them. 11118 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11119 && ps.getStopped(userId); 11120 } 11121 } 11122 return false; 11123 } 11124 11125 @Override 11126 protected boolean isPackageForFilter(String packageName, 11127 PackageParser.ServiceIntentInfo info) { 11128 return packageName.equals(info.service.owner.packageName); 11129 } 11130 11131 @Override 11132 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11133 int match, int userId) { 11134 if (!sUserManager.exists(userId)) return null; 11135 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11136 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11137 return null; 11138 } 11139 final PackageParser.Service service = info.service; 11140 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11141 if (ps == null) { 11142 return null; 11143 } 11144 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11145 ps.readUserState(userId), userId); 11146 if (si == null) { 11147 return null; 11148 } 11149 final ResolveInfo res = new ResolveInfo(); 11150 res.serviceInfo = si; 11151 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11152 res.filter = filter; 11153 } 11154 res.priority = info.getPriority(); 11155 res.preferredOrder = service.owner.mPreferredOrder; 11156 res.match = match; 11157 res.isDefault = info.hasDefault; 11158 res.labelRes = info.labelRes; 11159 res.nonLocalizedLabel = info.nonLocalizedLabel; 11160 res.icon = info.icon; 11161 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11162 return res; 11163 } 11164 11165 @Override 11166 protected void sortResults(List<ResolveInfo> results) { 11167 Collections.sort(results, mResolvePrioritySorter); 11168 } 11169 11170 @Override 11171 protected void dumpFilter(PrintWriter out, String prefix, 11172 PackageParser.ServiceIntentInfo filter) { 11173 out.print(prefix); out.print( 11174 Integer.toHexString(System.identityHashCode(filter.service))); 11175 out.print(' '); 11176 filter.service.printComponentShortName(out); 11177 out.print(" filter "); 11178 out.println(Integer.toHexString(System.identityHashCode(filter))); 11179 } 11180 11181 @Override 11182 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11183 return filter.service; 11184 } 11185 11186 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11187 PackageParser.Service service = (PackageParser.Service)label; 11188 out.print(prefix); out.print( 11189 Integer.toHexString(System.identityHashCode(service))); 11190 out.print(' '); 11191 service.printComponentShortName(out); 11192 if (count > 1) { 11193 out.print(" ("); out.print(count); out.print(" filters)"); 11194 } 11195 out.println(); 11196 } 11197 11198// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11199// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11200// final List<ResolveInfo> retList = Lists.newArrayList(); 11201// while (i.hasNext()) { 11202// final ResolveInfo resolveInfo = (ResolveInfo) i; 11203// if (isEnabledLP(resolveInfo.serviceInfo)) { 11204// retList.add(resolveInfo); 11205// } 11206// } 11207// return retList; 11208// } 11209 11210 // Keys are String (activity class name), values are Activity. 11211 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11212 = new ArrayMap<ComponentName, PackageParser.Service>(); 11213 private int mFlags; 11214 }; 11215 11216 private final class ProviderIntentResolver 11217 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11218 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11219 boolean defaultOnly, int userId) { 11220 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11221 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11222 } 11223 11224 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11225 int userId) { 11226 if (!sUserManager.exists(userId)) 11227 return null; 11228 mFlags = flags; 11229 return super.queryIntent(intent, resolvedType, 11230 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11231 } 11232 11233 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11234 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11235 if (!sUserManager.exists(userId)) 11236 return null; 11237 if (packageProviders == null) { 11238 return null; 11239 } 11240 mFlags = flags; 11241 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11242 final int N = packageProviders.size(); 11243 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11244 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11245 11246 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11247 for (int i = 0; i < N; ++i) { 11248 intentFilters = packageProviders.get(i).intents; 11249 if (intentFilters != null && intentFilters.size() > 0) { 11250 PackageParser.ProviderIntentInfo[] array = 11251 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11252 intentFilters.toArray(array); 11253 listCut.add(array); 11254 } 11255 } 11256 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11257 } 11258 11259 public final void addProvider(PackageParser.Provider p) { 11260 if (mProviders.containsKey(p.getComponentName())) { 11261 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11262 return; 11263 } 11264 11265 mProviders.put(p.getComponentName(), p); 11266 if (DEBUG_SHOW_INFO) { 11267 Log.v(TAG, " " 11268 + (p.info.nonLocalizedLabel != null 11269 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11270 Log.v(TAG, " Class=" + p.info.name); 11271 } 11272 final int NI = p.intents.size(); 11273 int j; 11274 for (j = 0; j < NI; j++) { 11275 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11276 if (DEBUG_SHOW_INFO) { 11277 Log.v(TAG, " IntentFilter:"); 11278 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11279 } 11280 if (!intent.debugCheck()) { 11281 Log.w(TAG, "==> For Provider " + p.info.name); 11282 } 11283 addFilter(intent); 11284 } 11285 } 11286 11287 public final void removeProvider(PackageParser.Provider p) { 11288 mProviders.remove(p.getComponentName()); 11289 if (DEBUG_SHOW_INFO) { 11290 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11291 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11292 Log.v(TAG, " Class=" + p.info.name); 11293 } 11294 final int NI = p.intents.size(); 11295 int j; 11296 for (j = 0; j < NI; j++) { 11297 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11298 if (DEBUG_SHOW_INFO) { 11299 Log.v(TAG, " IntentFilter:"); 11300 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11301 } 11302 removeFilter(intent); 11303 } 11304 } 11305 11306 @Override 11307 protected boolean allowFilterResult( 11308 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11309 ProviderInfo filterPi = filter.provider.info; 11310 for (int i = dest.size() - 1; i >= 0; i--) { 11311 ProviderInfo destPi = dest.get(i).providerInfo; 11312 if (destPi.name == filterPi.name 11313 && destPi.packageName == filterPi.packageName) { 11314 return false; 11315 } 11316 } 11317 return true; 11318 } 11319 11320 @Override 11321 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11322 return new PackageParser.ProviderIntentInfo[size]; 11323 } 11324 11325 @Override 11326 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11327 if (!sUserManager.exists(userId)) 11328 return true; 11329 PackageParser.Package p = filter.provider.owner; 11330 if (p != null) { 11331 PackageSetting ps = (PackageSetting) p.mExtras; 11332 if (ps != null) { 11333 // System apps are never considered stopped for purposes of 11334 // filtering, because there may be no way for the user to 11335 // actually re-launch them. 11336 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11337 && ps.getStopped(userId); 11338 } 11339 } 11340 return false; 11341 } 11342 11343 @Override 11344 protected boolean isPackageForFilter(String packageName, 11345 PackageParser.ProviderIntentInfo info) { 11346 return packageName.equals(info.provider.owner.packageName); 11347 } 11348 11349 @Override 11350 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11351 int match, int userId) { 11352 if (!sUserManager.exists(userId)) 11353 return null; 11354 final PackageParser.ProviderIntentInfo info = filter; 11355 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11356 return null; 11357 } 11358 final PackageParser.Provider provider = info.provider; 11359 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11360 if (ps == null) { 11361 return null; 11362 } 11363 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11364 ps.readUserState(userId), userId); 11365 if (pi == null) { 11366 return null; 11367 } 11368 final ResolveInfo res = new ResolveInfo(); 11369 res.providerInfo = pi; 11370 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11371 res.filter = filter; 11372 } 11373 res.priority = info.getPriority(); 11374 res.preferredOrder = provider.owner.mPreferredOrder; 11375 res.match = match; 11376 res.isDefault = info.hasDefault; 11377 res.labelRes = info.labelRes; 11378 res.nonLocalizedLabel = info.nonLocalizedLabel; 11379 res.icon = info.icon; 11380 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11381 return res; 11382 } 11383 11384 @Override 11385 protected void sortResults(List<ResolveInfo> results) { 11386 Collections.sort(results, mResolvePrioritySorter); 11387 } 11388 11389 @Override 11390 protected void dumpFilter(PrintWriter out, String prefix, 11391 PackageParser.ProviderIntentInfo filter) { 11392 out.print(prefix); 11393 out.print( 11394 Integer.toHexString(System.identityHashCode(filter.provider))); 11395 out.print(' '); 11396 filter.provider.printComponentShortName(out); 11397 out.print(" filter "); 11398 out.println(Integer.toHexString(System.identityHashCode(filter))); 11399 } 11400 11401 @Override 11402 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11403 return filter.provider; 11404 } 11405 11406 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11407 PackageParser.Provider provider = (PackageParser.Provider)label; 11408 out.print(prefix); out.print( 11409 Integer.toHexString(System.identityHashCode(provider))); 11410 out.print(' '); 11411 provider.printComponentShortName(out); 11412 if (count > 1) { 11413 out.print(" ("); out.print(count); out.print(" filters)"); 11414 } 11415 out.println(); 11416 } 11417 11418 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11419 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11420 private int mFlags; 11421 } 11422 11423 private static final class EphemeralIntentResolver 11424 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11425 /** 11426 * The result that has the highest defined order. Ordering applies on a 11427 * per-package basis. Mapping is from package name to Pair of order and 11428 * EphemeralResolveInfo. 11429 * <p> 11430 * NOTE: This is implemented as a field variable for convenience and efficiency. 11431 * By having a field variable, we're able to track filter ordering as soon as 11432 * a non-zero order is defined. Otherwise, multiple loops across the result set 11433 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 11434 * this needs to be contained entirely within {@link #filterResults()}. 11435 */ 11436 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 11437 11438 @Override 11439 protected EphemeralResolveIntentInfo[] newArray(int size) { 11440 return new EphemeralResolveIntentInfo[size]; 11441 } 11442 11443 @Override 11444 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11445 return true; 11446 } 11447 11448 @Override 11449 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11450 int userId) { 11451 if (!sUserManager.exists(userId)) { 11452 return null; 11453 } 11454 final String packageName = info.getEphemeralResolveInfo().getPackageName(); 11455 final Integer order = info.getOrder(); 11456 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 11457 mOrderResult.get(packageName); 11458 // ordering is enabled and this item's order isn't high enough 11459 if (lastOrderResult != null && lastOrderResult.first >= order) { 11460 return null; 11461 } 11462 final EphemeralResolveInfo res = info.getEphemeralResolveInfo(); 11463 if (order > 0) { 11464 // non-zero order, enable ordering 11465 mOrderResult.put(packageName, new Pair<>(order, res)); 11466 } 11467 return res; 11468 } 11469 11470 @Override 11471 protected void filterResults(List<EphemeralResolveInfo> results) { 11472 // only do work if ordering is enabled [most of the time it won't be] 11473 if (mOrderResult.size() == 0) { 11474 return; 11475 } 11476 int resultSize = results.size(); 11477 for (int i = 0; i < resultSize; i++) { 11478 final EphemeralResolveInfo info = results.get(i); 11479 final String packageName = info.getPackageName(); 11480 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 11481 if (savedInfo == null) { 11482 // package doesn't having ordering 11483 continue; 11484 } 11485 if (savedInfo.second == info) { 11486 // circled back to the highest ordered item; remove from order list 11487 mOrderResult.remove(savedInfo); 11488 if (mOrderResult.size() == 0) { 11489 // no more ordered items 11490 break; 11491 } 11492 continue; 11493 } 11494 // item has a worse order, remove it from the result list 11495 results.remove(i); 11496 resultSize--; 11497 i--; 11498 } 11499 } 11500 } 11501 11502 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11503 new Comparator<ResolveInfo>() { 11504 public int compare(ResolveInfo r1, ResolveInfo r2) { 11505 int v1 = r1.priority; 11506 int v2 = r2.priority; 11507 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11508 if (v1 != v2) { 11509 return (v1 > v2) ? -1 : 1; 11510 } 11511 v1 = r1.preferredOrder; 11512 v2 = r2.preferredOrder; 11513 if (v1 != v2) { 11514 return (v1 > v2) ? -1 : 1; 11515 } 11516 if (r1.isDefault != r2.isDefault) { 11517 return r1.isDefault ? -1 : 1; 11518 } 11519 v1 = r1.match; 11520 v2 = r2.match; 11521 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11522 if (v1 != v2) { 11523 return (v1 > v2) ? -1 : 1; 11524 } 11525 if (r1.system != r2.system) { 11526 return r1.system ? -1 : 1; 11527 } 11528 if (r1.activityInfo != null) { 11529 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11530 } 11531 if (r1.serviceInfo != null) { 11532 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11533 } 11534 if (r1.providerInfo != null) { 11535 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11536 } 11537 return 0; 11538 } 11539 }; 11540 11541 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11542 new Comparator<ProviderInfo>() { 11543 public int compare(ProviderInfo p1, ProviderInfo p2) { 11544 final int v1 = p1.initOrder; 11545 final int v2 = p2.initOrder; 11546 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11547 } 11548 }; 11549 11550 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11551 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11552 final int[] userIds) { 11553 mHandler.post(new Runnable() { 11554 @Override 11555 public void run() { 11556 try { 11557 final IActivityManager am = ActivityManagerNative.getDefault(); 11558 if (am == null) return; 11559 final int[] resolvedUserIds; 11560 if (userIds == null) { 11561 resolvedUserIds = am.getRunningUserIds(); 11562 } else { 11563 resolvedUserIds = userIds; 11564 } 11565 for (int id : resolvedUserIds) { 11566 final Intent intent = new Intent(action, 11567 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 11568 if (extras != null) { 11569 intent.putExtras(extras); 11570 } 11571 if (targetPkg != null) { 11572 intent.setPackage(targetPkg); 11573 } 11574 // Modify the UID when posting to other users 11575 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11576 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11577 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11578 intent.putExtra(Intent.EXTRA_UID, uid); 11579 } 11580 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11581 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11582 if (DEBUG_BROADCASTS) { 11583 RuntimeException here = new RuntimeException("here"); 11584 here.fillInStackTrace(); 11585 Slog.d(TAG, "Sending to user " + id + ": " 11586 + intent.toShortString(false, true, false, false) 11587 + " " + intent.getExtras(), here); 11588 } 11589 am.broadcastIntent(null, intent, null, finishedReceiver, 11590 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11591 null, finishedReceiver != null, false, id); 11592 } 11593 } catch (RemoteException ex) { 11594 } 11595 } 11596 }); 11597 } 11598 11599 /** 11600 * Check if the external storage media is available. This is true if there 11601 * is a mounted external storage medium or if the external storage is 11602 * emulated. 11603 */ 11604 private boolean isExternalMediaAvailable() { 11605 return mMediaMounted || Environment.isExternalStorageEmulated(); 11606 } 11607 11608 @Override 11609 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11610 // writer 11611 synchronized (mPackages) { 11612 if (!isExternalMediaAvailable()) { 11613 // If the external storage is no longer mounted at this point, 11614 // the caller may not have been able to delete all of this 11615 // packages files and can not delete any more. Bail. 11616 return null; 11617 } 11618 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11619 if (lastPackage != null) { 11620 pkgs.remove(lastPackage); 11621 } 11622 if (pkgs.size() > 0) { 11623 return pkgs.get(0); 11624 } 11625 } 11626 return null; 11627 } 11628 11629 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11630 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11631 userId, andCode ? 1 : 0, packageName); 11632 if (mSystemReady) { 11633 msg.sendToTarget(); 11634 } else { 11635 if (mPostSystemReadyMessages == null) { 11636 mPostSystemReadyMessages = new ArrayList<>(); 11637 } 11638 mPostSystemReadyMessages.add(msg); 11639 } 11640 } 11641 11642 void startCleaningPackages() { 11643 // reader 11644 if (!isExternalMediaAvailable()) { 11645 return; 11646 } 11647 synchronized (mPackages) { 11648 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11649 return; 11650 } 11651 } 11652 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11653 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11654 IActivityManager am = ActivityManagerNative.getDefault(); 11655 if (am != null) { 11656 try { 11657 am.startService(null, intent, null, mContext.getOpPackageName(), 11658 UserHandle.USER_SYSTEM); 11659 } catch (RemoteException e) { 11660 } 11661 } 11662 } 11663 11664 @Override 11665 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11666 int installFlags, String installerPackageName, int userId) { 11667 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11668 11669 final int callingUid = Binder.getCallingUid(); 11670 enforceCrossUserPermission(callingUid, userId, 11671 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11672 11673 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11674 try { 11675 if (observer != null) { 11676 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11677 } 11678 } catch (RemoteException re) { 11679 } 11680 return; 11681 } 11682 11683 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11684 installFlags |= PackageManager.INSTALL_FROM_ADB; 11685 11686 } else { 11687 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11688 // about installerPackageName. 11689 11690 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11691 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11692 } 11693 11694 UserHandle user; 11695 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11696 user = UserHandle.ALL; 11697 } else { 11698 user = new UserHandle(userId); 11699 } 11700 11701 // Only system components can circumvent runtime permissions when installing. 11702 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11703 && mContext.checkCallingOrSelfPermission(Manifest.permission 11704 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11705 throw new SecurityException("You need the " 11706 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11707 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11708 } 11709 11710 final File originFile = new File(originPath); 11711 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11712 11713 final Message msg = mHandler.obtainMessage(INIT_COPY); 11714 final VerificationInfo verificationInfo = new VerificationInfo( 11715 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11716 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11717 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11718 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11719 null /*certificates*/); 11720 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11721 msg.obj = params; 11722 11723 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11724 System.identityHashCode(msg.obj)); 11725 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11726 System.identityHashCode(msg.obj)); 11727 11728 mHandler.sendMessage(msg); 11729 } 11730 11731 void installStage(String packageName, File stagedDir, String stagedCid, 11732 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11733 String installerPackageName, int installerUid, UserHandle user, 11734 Certificate[][] certificates) { 11735 if (DEBUG_EPHEMERAL) { 11736 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11737 Slog.d(TAG, "Ephemeral install of " + packageName); 11738 } 11739 } 11740 final VerificationInfo verificationInfo = new VerificationInfo( 11741 sessionParams.originatingUri, sessionParams.referrerUri, 11742 sessionParams.originatingUid, installerUid); 11743 11744 final OriginInfo origin; 11745 if (stagedDir != null) { 11746 origin = OriginInfo.fromStagedFile(stagedDir); 11747 } else { 11748 origin = OriginInfo.fromStagedContainer(stagedCid); 11749 } 11750 11751 final Message msg = mHandler.obtainMessage(INIT_COPY); 11752 final InstallParams params = new InstallParams(origin, null, observer, 11753 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11754 verificationInfo, user, sessionParams.abiOverride, 11755 sessionParams.grantedRuntimePermissions, certificates); 11756 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11757 msg.obj = params; 11758 11759 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11760 System.identityHashCode(msg.obj)); 11761 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11762 System.identityHashCode(msg.obj)); 11763 11764 mHandler.sendMessage(msg); 11765 } 11766 11767 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11768 int userId) { 11769 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11770 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11771 } 11772 11773 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11774 int appId, int userId) { 11775 Bundle extras = new Bundle(1); 11776 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11777 11778 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11779 packageName, extras, 0, null, null, new int[] {userId}); 11780 try { 11781 IActivityManager am = ActivityManagerNative.getDefault(); 11782 if (isSystem && am.isUserRunning(userId, 0)) { 11783 // The just-installed/enabled app is bundled on the system, so presumed 11784 // to be able to run automatically without needing an explicit launch. 11785 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11786 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11787 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11788 .setPackage(packageName); 11789 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11790 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11791 } 11792 } catch (RemoteException e) { 11793 // shouldn't happen 11794 Slog.w(TAG, "Unable to bootstrap installed package", e); 11795 } 11796 } 11797 11798 @Override 11799 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11800 int userId) { 11801 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11802 PackageSetting pkgSetting; 11803 final int uid = Binder.getCallingUid(); 11804 enforceCrossUserPermission(uid, userId, 11805 true /* requireFullPermission */, true /* checkShell */, 11806 "setApplicationHiddenSetting for user " + userId); 11807 11808 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11809 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11810 return false; 11811 } 11812 11813 long callingId = Binder.clearCallingIdentity(); 11814 try { 11815 boolean sendAdded = false; 11816 boolean sendRemoved = false; 11817 // writer 11818 synchronized (mPackages) { 11819 pkgSetting = mSettings.mPackages.get(packageName); 11820 if (pkgSetting == null) { 11821 return false; 11822 } 11823 // Do not allow "android" is being disabled 11824 if ("android".equals(packageName)) { 11825 Slog.w(TAG, "Cannot hide package: android"); 11826 return false; 11827 } 11828 // Only allow protected packages to hide themselves. 11829 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11830 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11831 Slog.w(TAG, "Not hiding protected package: " + packageName); 11832 return false; 11833 } 11834 11835 if (pkgSetting.getHidden(userId) != hidden) { 11836 pkgSetting.setHidden(hidden, userId); 11837 mSettings.writePackageRestrictionsLPr(userId); 11838 if (hidden) { 11839 sendRemoved = true; 11840 } else { 11841 sendAdded = true; 11842 } 11843 } 11844 } 11845 if (sendAdded) { 11846 sendPackageAddedForUser(packageName, pkgSetting, userId); 11847 return true; 11848 } 11849 if (sendRemoved) { 11850 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11851 "hiding pkg"); 11852 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11853 return true; 11854 } 11855 } finally { 11856 Binder.restoreCallingIdentity(callingId); 11857 } 11858 return false; 11859 } 11860 11861 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11862 int userId) { 11863 final PackageRemovedInfo info = new PackageRemovedInfo(); 11864 info.removedPackage = packageName; 11865 info.removedUsers = new int[] {userId}; 11866 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11867 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11868 } 11869 11870 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11871 if (pkgList.length > 0) { 11872 Bundle extras = new Bundle(1); 11873 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11874 11875 sendPackageBroadcast( 11876 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11877 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11878 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11879 new int[] {userId}); 11880 } 11881 } 11882 11883 /** 11884 * Returns true if application is not found or there was an error. Otherwise it returns 11885 * the hidden state of the package for the given user. 11886 */ 11887 @Override 11888 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11889 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11890 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11891 true /* requireFullPermission */, false /* checkShell */, 11892 "getApplicationHidden for user " + userId); 11893 PackageSetting pkgSetting; 11894 long callingId = Binder.clearCallingIdentity(); 11895 try { 11896 // writer 11897 synchronized (mPackages) { 11898 pkgSetting = mSettings.mPackages.get(packageName); 11899 if (pkgSetting == null) { 11900 return true; 11901 } 11902 return pkgSetting.getHidden(userId); 11903 } 11904 } finally { 11905 Binder.restoreCallingIdentity(callingId); 11906 } 11907 } 11908 11909 /** 11910 * @hide 11911 */ 11912 @Override 11913 public int installExistingPackageAsUser(String packageName, int userId) { 11914 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11915 null); 11916 PackageSetting pkgSetting; 11917 final int uid = Binder.getCallingUid(); 11918 enforceCrossUserPermission(uid, userId, 11919 true /* requireFullPermission */, true /* checkShell */, 11920 "installExistingPackage for user " + userId); 11921 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11922 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11923 } 11924 11925 long callingId = Binder.clearCallingIdentity(); 11926 try { 11927 boolean installed = false; 11928 11929 // writer 11930 synchronized (mPackages) { 11931 pkgSetting = mSettings.mPackages.get(packageName); 11932 if (pkgSetting == null) { 11933 return PackageManager.INSTALL_FAILED_INVALID_URI; 11934 } 11935 if (!pkgSetting.getInstalled(userId)) { 11936 pkgSetting.setInstalled(true, userId); 11937 pkgSetting.setHidden(false, userId); 11938 mSettings.writePackageRestrictionsLPr(userId); 11939 installed = true; 11940 } 11941 } 11942 11943 if (installed) { 11944 if (pkgSetting.pkg != null) { 11945 synchronized (mInstallLock) { 11946 // We don't need to freeze for a brand new install 11947 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11948 } 11949 } 11950 sendPackageAddedForUser(packageName, pkgSetting, userId); 11951 } 11952 } finally { 11953 Binder.restoreCallingIdentity(callingId); 11954 } 11955 11956 return PackageManager.INSTALL_SUCCEEDED; 11957 } 11958 11959 boolean isUserRestricted(int userId, String restrictionKey) { 11960 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11961 if (restrictions.getBoolean(restrictionKey, false)) { 11962 Log.w(TAG, "User is restricted: " + restrictionKey); 11963 return true; 11964 } 11965 return false; 11966 } 11967 11968 @Override 11969 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11970 int userId) { 11971 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11972 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11973 true /* requireFullPermission */, true /* checkShell */, 11974 "setPackagesSuspended for user " + userId); 11975 11976 if (ArrayUtils.isEmpty(packageNames)) { 11977 return packageNames; 11978 } 11979 11980 // List of package names for whom the suspended state has changed. 11981 List<String> changedPackages = new ArrayList<>(packageNames.length); 11982 // List of package names for whom the suspended state is not set as requested in this 11983 // method. 11984 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11985 long callingId = Binder.clearCallingIdentity(); 11986 try { 11987 for (int i = 0; i < packageNames.length; i++) { 11988 String packageName = packageNames[i]; 11989 boolean changed = false; 11990 final int appId; 11991 synchronized (mPackages) { 11992 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11993 if (pkgSetting == null) { 11994 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11995 + "\". Skipping suspending/un-suspending."); 11996 unactionedPackages.add(packageName); 11997 continue; 11998 } 11999 appId = pkgSetting.appId; 12000 if (pkgSetting.getSuspended(userId) != suspended) { 12001 if (!canSuspendPackageForUserLocked(packageName, userId)) { 12002 unactionedPackages.add(packageName); 12003 continue; 12004 } 12005 pkgSetting.setSuspended(suspended, userId); 12006 mSettings.writePackageRestrictionsLPr(userId); 12007 changed = true; 12008 changedPackages.add(packageName); 12009 } 12010 } 12011 12012 if (changed && suspended) { 12013 killApplication(packageName, UserHandle.getUid(userId, appId), 12014 "suspending package"); 12015 } 12016 } 12017 } finally { 12018 Binder.restoreCallingIdentity(callingId); 12019 } 12020 12021 if (!changedPackages.isEmpty()) { 12022 sendPackagesSuspendedForUser(changedPackages.toArray( 12023 new String[changedPackages.size()]), userId, suspended); 12024 } 12025 12026 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 12027 } 12028 12029 @Override 12030 public boolean isPackageSuspendedForUser(String packageName, int userId) { 12031 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12032 true /* requireFullPermission */, false /* checkShell */, 12033 "isPackageSuspendedForUser for user " + userId); 12034 synchronized (mPackages) { 12035 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12036 if (pkgSetting == null) { 12037 throw new IllegalArgumentException("Unknown target package: " + packageName); 12038 } 12039 return pkgSetting.getSuspended(userId); 12040 } 12041 } 12042 12043 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 12044 if (isPackageDeviceAdmin(packageName, userId)) { 12045 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12046 + "\": has an active device admin"); 12047 return false; 12048 } 12049 12050 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 12051 if (packageName.equals(activeLauncherPackageName)) { 12052 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12053 + "\": contains the active launcher"); 12054 return false; 12055 } 12056 12057 if (packageName.equals(mRequiredInstallerPackage)) { 12058 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12059 + "\": required for package installation"); 12060 return false; 12061 } 12062 12063 if (packageName.equals(mRequiredUninstallerPackage)) { 12064 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12065 + "\": required for package uninstallation"); 12066 return false; 12067 } 12068 12069 if (packageName.equals(mRequiredVerifierPackage)) { 12070 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12071 + "\": required for package verification"); 12072 return false; 12073 } 12074 12075 if (packageName.equals(getDefaultDialerPackageName(userId))) { 12076 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12077 + "\": is the default dialer"); 12078 return false; 12079 } 12080 12081 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12082 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12083 + "\": protected package"); 12084 return false; 12085 } 12086 12087 return true; 12088 } 12089 12090 private String getActiveLauncherPackageName(int userId) { 12091 Intent intent = new Intent(Intent.ACTION_MAIN); 12092 intent.addCategory(Intent.CATEGORY_HOME); 12093 ResolveInfo resolveInfo = resolveIntent( 12094 intent, 12095 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 12096 PackageManager.MATCH_DEFAULT_ONLY, 12097 userId); 12098 12099 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 12100 } 12101 12102 private String getDefaultDialerPackageName(int userId) { 12103 synchronized (mPackages) { 12104 return mSettings.getDefaultDialerPackageNameLPw(userId); 12105 } 12106 } 12107 12108 @Override 12109 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 12110 mContext.enforceCallingOrSelfPermission( 12111 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12112 "Only package verification agents can verify applications"); 12113 12114 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12115 final PackageVerificationResponse response = new PackageVerificationResponse( 12116 verificationCode, Binder.getCallingUid()); 12117 msg.arg1 = id; 12118 msg.obj = response; 12119 mHandler.sendMessage(msg); 12120 } 12121 12122 @Override 12123 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 12124 long millisecondsToDelay) { 12125 mContext.enforceCallingOrSelfPermission( 12126 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12127 "Only package verification agents can extend verification timeouts"); 12128 12129 final PackageVerificationState state = mPendingVerification.get(id); 12130 final PackageVerificationResponse response = new PackageVerificationResponse( 12131 verificationCodeAtTimeout, Binder.getCallingUid()); 12132 12133 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12134 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12135 } 12136 if (millisecondsToDelay < 0) { 12137 millisecondsToDelay = 0; 12138 } 12139 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12140 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12141 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12142 } 12143 12144 if ((state != null) && !state.timeoutExtended()) { 12145 state.extendTimeout(); 12146 12147 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12148 msg.arg1 = id; 12149 msg.obj = response; 12150 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12151 } 12152 } 12153 12154 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12155 int verificationCode, UserHandle user) { 12156 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12157 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12158 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12159 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12160 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12161 12162 mContext.sendBroadcastAsUser(intent, user, 12163 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12164 } 12165 12166 private ComponentName matchComponentForVerifier(String packageName, 12167 List<ResolveInfo> receivers) { 12168 ActivityInfo targetReceiver = null; 12169 12170 final int NR = receivers.size(); 12171 for (int i = 0; i < NR; i++) { 12172 final ResolveInfo info = receivers.get(i); 12173 if (info.activityInfo == null) { 12174 continue; 12175 } 12176 12177 if (packageName.equals(info.activityInfo.packageName)) { 12178 targetReceiver = info.activityInfo; 12179 break; 12180 } 12181 } 12182 12183 if (targetReceiver == null) { 12184 return null; 12185 } 12186 12187 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12188 } 12189 12190 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12191 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12192 if (pkgInfo.verifiers.length == 0) { 12193 return null; 12194 } 12195 12196 final int N = pkgInfo.verifiers.length; 12197 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12198 for (int i = 0; i < N; i++) { 12199 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12200 12201 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12202 receivers); 12203 if (comp == null) { 12204 continue; 12205 } 12206 12207 final int verifierUid = getUidForVerifier(verifierInfo); 12208 if (verifierUid == -1) { 12209 continue; 12210 } 12211 12212 if (DEBUG_VERIFY) { 12213 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12214 + " with the correct signature"); 12215 } 12216 sufficientVerifiers.add(comp); 12217 verificationState.addSufficientVerifier(verifierUid); 12218 } 12219 12220 return sufficientVerifiers; 12221 } 12222 12223 private int getUidForVerifier(VerifierInfo verifierInfo) { 12224 synchronized (mPackages) { 12225 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12226 if (pkg == null) { 12227 return -1; 12228 } else if (pkg.mSignatures.length != 1) { 12229 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12230 + " has more than one signature; ignoring"); 12231 return -1; 12232 } 12233 12234 /* 12235 * If the public key of the package's signature does not match 12236 * our expected public key, then this is a different package and 12237 * we should skip. 12238 */ 12239 12240 final byte[] expectedPublicKey; 12241 try { 12242 final Signature verifierSig = pkg.mSignatures[0]; 12243 final PublicKey publicKey = verifierSig.getPublicKey(); 12244 expectedPublicKey = publicKey.getEncoded(); 12245 } catch (CertificateException e) { 12246 return -1; 12247 } 12248 12249 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12250 12251 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12252 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12253 + " does not have the expected public key; ignoring"); 12254 return -1; 12255 } 12256 12257 return pkg.applicationInfo.uid; 12258 } 12259 } 12260 12261 @Override 12262 public void finishPackageInstall(int token, boolean didLaunch) { 12263 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12264 12265 if (DEBUG_INSTALL) { 12266 Slog.v(TAG, "BM finishing package install for " + token); 12267 } 12268 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12269 12270 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12271 mHandler.sendMessage(msg); 12272 } 12273 12274 /** 12275 * Get the verification agent timeout. 12276 * 12277 * @return verification timeout in milliseconds 12278 */ 12279 private long getVerificationTimeout() { 12280 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12281 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12282 DEFAULT_VERIFICATION_TIMEOUT); 12283 } 12284 12285 /** 12286 * Get the default verification agent response code. 12287 * 12288 * @return default verification response code 12289 */ 12290 private int getDefaultVerificationResponse() { 12291 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12292 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12293 DEFAULT_VERIFICATION_RESPONSE); 12294 } 12295 12296 /** 12297 * Check whether or not package verification has been enabled. 12298 * 12299 * @return true if verification should be performed 12300 */ 12301 private boolean isVerificationEnabled(int userId, int installFlags) { 12302 if (!DEFAULT_VERIFY_ENABLE) { 12303 return false; 12304 } 12305 // Ephemeral apps don't get the full verification treatment 12306 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12307 if (DEBUG_EPHEMERAL) { 12308 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12309 } 12310 return false; 12311 } 12312 12313 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12314 12315 // Check if installing from ADB 12316 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12317 // Do not run verification in a test harness environment 12318 if (ActivityManager.isRunningInTestHarness()) { 12319 return false; 12320 } 12321 if (ensureVerifyAppsEnabled) { 12322 return true; 12323 } 12324 // Check if the developer does not want package verification for ADB installs 12325 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12326 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12327 return false; 12328 } 12329 } 12330 12331 if (ensureVerifyAppsEnabled) { 12332 return true; 12333 } 12334 12335 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12336 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12337 } 12338 12339 @Override 12340 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12341 throws RemoteException { 12342 mContext.enforceCallingOrSelfPermission( 12343 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12344 "Only intentfilter verification agents can verify applications"); 12345 12346 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12347 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12348 Binder.getCallingUid(), verificationCode, failedDomains); 12349 msg.arg1 = id; 12350 msg.obj = response; 12351 mHandler.sendMessage(msg); 12352 } 12353 12354 @Override 12355 public int getIntentVerificationStatus(String packageName, int userId) { 12356 synchronized (mPackages) { 12357 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12358 } 12359 } 12360 12361 @Override 12362 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12363 mContext.enforceCallingOrSelfPermission( 12364 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12365 12366 boolean result = false; 12367 synchronized (mPackages) { 12368 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12369 } 12370 if (result) { 12371 scheduleWritePackageRestrictionsLocked(userId); 12372 } 12373 return result; 12374 } 12375 12376 @Override 12377 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12378 String packageName) { 12379 synchronized (mPackages) { 12380 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12381 } 12382 } 12383 12384 @Override 12385 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12386 if (TextUtils.isEmpty(packageName)) { 12387 return ParceledListSlice.emptyList(); 12388 } 12389 synchronized (mPackages) { 12390 PackageParser.Package pkg = mPackages.get(packageName); 12391 if (pkg == null || pkg.activities == null) { 12392 return ParceledListSlice.emptyList(); 12393 } 12394 final int count = pkg.activities.size(); 12395 ArrayList<IntentFilter> result = new ArrayList<>(); 12396 for (int n=0; n<count; n++) { 12397 PackageParser.Activity activity = pkg.activities.get(n); 12398 if (activity.intents != null && activity.intents.size() > 0) { 12399 result.addAll(activity.intents); 12400 } 12401 } 12402 return new ParceledListSlice<>(result); 12403 } 12404 } 12405 12406 @Override 12407 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12408 mContext.enforceCallingOrSelfPermission( 12409 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12410 12411 synchronized (mPackages) { 12412 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12413 if (packageName != null) { 12414 result |= updateIntentVerificationStatus(packageName, 12415 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12416 userId); 12417 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12418 packageName, userId); 12419 } 12420 return result; 12421 } 12422 } 12423 12424 @Override 12425 public String getDefaultBrowserPackageName(int userId) { 12426 synchronized (mPackages) { 12427 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12428 } 12429 } 12430 12431 /** 12432 * Get the "allow unknown sources" setting. 12433 * 12434 * @return the current "allow unknown sources" setting 12435 */ 12436 private int getUnknownSourcesSettings() { 12437 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12438 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12439 -1); 12440 } 12441 12442 @Override 12443 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12444 final int uid = Binder.getCallingUid(); 12445 // writer 12446 synchronized (mPackages) { 12447 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12448 if (targetPackageSetting == null) { 12449 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12450 } 12451 12452 PackageSetting installerPackageSetting; 12453 if (installerPackageName != null) { 12454 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12455 if (installerPackageSetting == null) { 12456 throw new IllegalArgumentException("Unknown installer package: " 12457 + installerPackageName); 12458 } 12459 } else { 12460 installerPackageSetting = null; 12461 } 12462 12463 Signature[] callerSignature; 12464 Object obj = mSettings.getUserIdLPr(uid); 12465 if (obj != null) { 12466 if (obj instanceof SharedUserSetting) { 12467 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12468 } else if (obj instanceof PackageSetting) { 12469 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12470 } else { 12471 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12472 } 12473 } else { 12474 throw new SecurityException("Unknown calling UID: " + uid); 12475 } 12476 12477 // Verify: can't set installerPackageName to a package that is 12478 // not signed with the same cert as the caller. 12479 if (installerPackageSetting != null) { 12480 if (compareSignatures(callerSignature, 12481 installerPackageSetting.signatures.mSignatures) 12482 != PackageManager.SIGNATURE_MATCH) { 12483 throw new SecurityException( 12484 "Caller does not have same cert as new installer package " 12485 + installerPackageName); 12486 } 12487 } 12488 12489 // Verify: if target already has an installer package, it must 12490 // be signed with the same cert as the caller. 12491 if (targetPackageSetting.installerPackageName != null) { 12492 PackageSetting setting = mSettings.mPackages.get( 12493 targetPackageSetting.installerPackageName); 12494 // If the currently set package isn't valid, then it's always 12495 // okay to change it. 12496 if (setting != null) { 12497 if (compareSignatures(callerSignature, 12498 setting.signatures.mSignatures) 12499 != PackageManager.SIGNATURE_MATCH) { 12500 throw new SecurityException( 12501 "Caller does not have same cert as old installer package " 12502 + targetPackageSetting.installerPackageName); 12503 } 12504 } 12505 } 12506 12507 // Okay! 12508 targetPackageSetting.installerPackageName = installerPackageName; 12509 if (installerPackageName != null) { 12510 mSettings.mInstallerPackages.add(installerPackageName); 12511 } 12512 scheduleWriteSettingsLocked(); 12513 } 12514 } 12515 12516 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12517 // Queue up an async operation since the package installation may take a little while. 12518 mHandler.post(new Runnable() { 12519 public void run() { 12520 mHandler.removeCallbacks(this); 12521 // Result object to be returned 12522 PackageInstalledInfo res = new PackageInstalledInfo(); 12523 res.setReturnCode(currentStatus); 12524 res.uid = -1; 12525 res.pkg = null; 12526 res.removedInfo = null; 12527 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12528 args.doPreInstall(res.returnCode); 12529 synchronized (mInstallLock) { 12530 installPackageTracedLI(args, res); 12531 } 12532 args.doPostInstall(res.returnCode, res.uid); 12533 } 12534 12535 // A restore should be performed at this point if (a) the install 12536 // succeeded, (b) the operation is not an update, and (c) the new 12537 // package has not opted out of backup participation. 12538 final boolean update = res.removedInfo != null 12539 && res.removedInfo.removedPackage != null; 12540 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12541 boolean doRestore = !update 12542 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12543 12544 // Set up the post-install work request bookkeeping. This will be used 12545 // and cleaned up by the post-install event handling regardless of whether 12546 // there's a restore pass performed. Token values are >= 1. 12547 int token; 12548 if (mNextInstallToken < 0) mNextInstallToken = 1; 12549 token = mNextInstallToken++; 12550 12551 PostInstallData data = new PostInstallData(args, res); 12552 mRunningInstalls.put(token, data); 12553 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12554 12555 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12556 // Pass responsibility to the Backup Manager. It will perform a 12557 // restore if appropriate, then pass responsibility back to the 12558 // Package Manager to run the post-install observer callbacks 12559 // and broadcasts. 12560 IBackupManager bm = IBackupManager.Stub.asInterface( 12561 ServiceManager.getService(Context.BACKUP_SERVICE)); 12562 if (bm != null) { 12563 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12564 + " to BM for possible restore"); 12565 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12566 try { 12567 // TODO: http://b/22388012 12568 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12569 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12570 } else { 12571 doRestore = false; 12572 } 12573 } catch (RemoteException e) { 12574 // can't happen; the backup manager is local 12575 } catch (Exception e) { 12576 Slog.e(TAG, "Exception trying to enqueue restore", e); 12577 doRestore = false; 12578 } 12579 } else { 12580 Slog.e(TAG, "Backup Manager not found!"); 12581 doRestore = false; 12582 } 12583 } 12584 12585 if (!doRestore) { 12586 // No restore possible, or the Backup Manager was mysteriously not 12587 // available -- just fire the post-install work request directly. 12588 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12589 12590 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12591 12592 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12593 mHandler.sendMessage(msg); 12594 } 12595 } 12596 }); 12597 } 12598 12599 /** 12600 * Callback from PackageSettings whenever an app is first transitioned out of the 12601 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12602 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12603 * here whether the app is the target of an ongoing install, and only send the 12604 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12605 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12606 * handling. 12607 */ 12608 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12609 // Serialize this with the rest of the install-process message chain. In the 12610 // restore-at-install case, this Runnable will necessarily run before the 12611 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12612 // are coherent. In the non-restore case, the app has already completed install 12613 // and been launched through some other means, so it is not in a problematic 12614 // state for observers to see the FIRST_LAUNCH signal. 12615 mHandler.post(new Runnable() { 12616 @Override 12617 public void run() { 12618 for (int i = 0; i < mRunningInstalls.size(); i++) { 12619 final PostInstallData data = mRunningInstalls.valueAt(i); 12620 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12621 continue; 12622 } 12623 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12624 // right package; but is it for the right user? 12625 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12626 if (userId == data.res.newUsers[uIndex]) { 12627 if (DEBUG_BACKUP) { 12628 Slog.i(TAG, "Package " + pkgName 12629 + " being restored so deferring FIRST_LAUNCH"); 12630 } 12631 return; 12632 } 12633 } 12634 } 12635 } 12636 // didn't find it, so not being restored 12637 if (DEBUG_BACKUP) { 12638 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12639 } 12640 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12641 } 12642 }); 12643 } 12644 12645 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12646 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12647 installerPkg, null, userIds); 12648 } 12649 12650 private abstract class HandlerParams { 12651 private static final int MAX_RETRIES = 4; 12652 12653 /** 12654 * Number of times startCopy() has been attempted and had a non-fatal 12655 * error. 12656 */ 12657 private int mRetries = 0; 12658 12659 /** User handle for the user requesting the information or installation. */ 12660 private final UserHandle mUser; 12661 String traceMethod; 12662 int traceCookie; 12663 12664 HandlerParams(UserHandle user) { 12665 mUser = user; 12666 } 12667 12668 UserHandle getUser() { 12669 return mUser; 12670 } 12671 12672 HandlerParams setTraceMethod(String traceMethod) { 12673 this.traceMethod = traceMethod; 12674 return this; 12675 } 12676 12677 HandlerParams setTraceCookie(int traceCookie) { 12678 this.traceCookie = traceCookie; 12679 return this; 12680 } 12681 12682 final boolean startCopy() { 12683 boolean res; 12684 try { 12685 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12686 12687 if (++mRetries > MAX_RETRIES) { 12688 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12689 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12690 handleServiceError(); 12691 return false; 12692 } else { 12693 handleStartCopy(); 12694 res = true; 12695 } 12696 } catch (RemoteException e) { 12697 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12698 mHandler.sendEmptyMessage(MCS_RECONNECT); 12699 res = false; 12700 } 12701 handleReturnCode(); 12702 return res; 12703 } 12704 12705 final void serviceError() { 12706 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12707 handleServiceError(); 12708 handleReturnCode(); 12709 } 12710 12711 abstract void handleStartCopy() throws RemoteException; 12712 abstract void handleServiceError(); 12713 abstract void handleReturnCode(); 12714 } 12715 12716 class MeasureParams extends HandlerParams { 12717 private final PackageStats mStats; 12718 private boolean mSuccess; 12719 12720 private final IPackageStatsObserver mObserver; 12721 12722 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12723 super(new UserHandle(stats.userHandle)); 12724 mObserver = observer; 12725 mStats = stats; 12726 } 12727 12728 @Override 12729 public String toString() { 12730 return "MeasureParams{" 12731 + Integer.toHexString(System.identityHashCode(this)) 12732 + " " + mStats.packageName + "}"; 12733 } 12734 12735 @Override 12736 void handleStartCopy() throws RemoteException { 12737 synchronized (mInstallLock) { 12738 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12739 } 12740 12741 if (mSuccess) { 12742 boolean mounted = false; 12743 try { 12744 final String status = Environment.getExternalStorageState(); 12745 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12746 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12747 } catch (Exception e) { 12748 } 12749 12750 if (mounted) { 12751 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12752 12753 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12754 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12755 12756 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12757 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12758 12759 // Always subtract cache size, since it's a subdirectory 12760 mStats.externalDataSize -= mStats.externalCacheSize; 12761 12762 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12763 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12764 12765 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12766 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12767 } 12768 } 12769 } 12770 12771 @Override 12772 void handleReturnCode() { 12773 if (mObserver != null) { 12774 try { 12775 mObserver.onGetStatsCompleted(mStats, mSuccess); 12776 } catch (RemoteException e) { 12777 Slog.i(TAG, "Observer no longer exists."); 12778 } 12779 } 12780 } 12781 12782 @Override 12783 void handleServiceError() { 12784 Slog.e(TAG, "Could not measure application " + mStats.packageName 12785 + " external storage"); 12786 } 12787 } 12788 12789 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12790 throws RemoteException { 12791 long result = 0; 12792 for (File path : paths) { 12793 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12794 } 12795 return result; 12796 } 12797 12798 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12799 for (File path : paths) { 12800 try { 12801 mcs.clearDirectory(path.getAbsolutePath()); 12802 } catch (RemoteException e) { 12803 } 12804 } 12805 } 12806 12807 static class OriginInfo { 12808 /** 12809 * Location where install is coming from, before it has been 12810 * copied/renamed into place. This could be a single monolithic APK 12811 * file, or a cluster directory. This location may be untrusted. 12812 */ 12813 final File file; 12814 final String cid; 12815 12816 /** 12817 * Flag indicating that {@link #file} or {@link #cid} has already been 12818 * staged, meaning downstream users don't need to defensively copy the 12819 * contents. 12820 */ 12821 final boolean staged; 12822 12823 /** 12824 * Flag indicating that {@link #file} or {@link #cid} is an already 12825 * installed app that is being moved. 12826 */ 12827 final boolean existing; 12828 12829 final String resolvedPath; 12830 final File resolvedFile; 12831 12832 static OriginInfo fromNothing() { 12833 return new OriginInfo(null, null, false, false); 12834 } 12835 12836 static OriginInfo fromUntrustedFile(File file) { 12837 return new OriginInfo(file, null, false, false); 12838 } 12839 12840 static OriginInfo fromExistingFile(File file) { 12841 return new OriginInfo(file, null, false, true); 12842 } 12843 12844 static OriginInfo fromStagedFile(File file) { 12845 return new OriginInfo(file, null, true, false); 12846 } 12847 12848 static OriginInfo fromStagedContainer(String cid) { 12849 return new OriginInfo(null, cid, true, false); 12850 } 12851 12852 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12853 this.file = file; 12854 this.cid = cid; 12855 this.staged = staged; 12856 this.existing = existing; 12857 12858 if (cid != null) { 12859 resolvedPath = PackageHelper.getSdDir(cid); 12860 resolvedFile = new File(resolvedPath); 12861 } else if (file != null) { 12862 resolvedPath = file.getAbsolutePath(); 12863 resolvedFile = file; 12864 } else { 12865 resolvedPath = null; 12866 resolvedFile = null; 12867 } 12868 } 12869 } 12870 12871 static class MoveInfo { 12872 final int moveId; 12873 final String fromUuid; 12874 final String toUuid; 12875 final String packageName; 12876 final String dataAppName; 12877 final int appId; 12878 final String seinfo; 12879 final int targetSdkVersion; 12880 12881 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12882 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12883 this.moveId = moveId; 12884 this.fromUuid = fromUuid; 12885 this.toUuid = toUuid; 12886 this.packageName = packageName; 12887 this.dataAppName = dataAppName; 12888 this.appId = appId; 12889 this.seinfo = seinfo; 12890 this.targetSdkVersion = targetSdkVersion; 12891 } 12892 } 12893 12894 static class VerificationInfo { 12895 /** A constant used to indicate that a uid value is not present. */ 12896 public static final int NO_UID = -1; 12897 12898 /** URI referencing where the package was downloaded from. */ 12899 final Uri originatingUri; 12900 12901 /** HTTP referrer URI associated with the originatingURI. */ 12902 final Uri referrer; 12903 12904 /** UID of the application that the install request originated from. */ 12905 final int originatingUid; 12906 12907 /** UID of application requesting the install */ 12908 final int installerUid; 12909 12910 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12911 this.originatingUri = originatingUri; 12912 this.referrer = referrer; 12913 this.originatingUid = originatingUid; 12914 this.installerUid = installerUid; 12915 } 12916 } 12917 12918 class InstallParams extends HandlerParams { 12919 final OriginInfo origin; 12920 final MoveInfo move; 12921 final IPackageInstallObserver2 observer; 12922 int installFlags; 12923 final String installerPackageName; 12924 final String volumeUuid; 12925 private InstallArgs mArgs; 12926 private int mRet; 12927 final String packageAbiOverride; 12928 final String[] grantedRuntimePermissions; 12929 final VerificationInfo verificationInfo; 12930 final Certificate[][] certificates; 12931 12932 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12933 int installFlags, String installerPackageName, String volumeUuid, 12934 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12935 String[] grantedPermissions, Certificate[][] certificates) { 12936 super(user); 12937 this.origin = origin; 12938 this.move = move; 12939 this.observer = observer; 12940 this.installFlags = installFlags; 12941 this.installerPackageName = installerPackageName; 12942 this.volumeUuid = volumeUuid; 12943 this.verificationInfo = verificationInfo; 12944 this.packageAbiOverride = packageAbiOverride; 12945 this.grantedRuntimePermissions = grantedPermissions; 12946 this.certificates = certificates; 12947 } 12948 12949 @Override 12950 public String toString() { 12951 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12952 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12953 } 12954 12955 private int installLocationPolicy(PackageInfoLite pkgLite) { 12956 String packageName = pkgLite.packageName; 12957 int installLocation = pkgLite.installLocation; 12958 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12959 // reader 12960 synchronized (mPackages) { 12961 // Currently installed package which the new package is attempting to replace or 12962 // null if no such package is installed. 12963 PackageParser.Package installedPkg = mPackages.get(packageName); 12964 // Package which currently owns the data which the new package will own if installed. 12965 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12966 // will be null whereas dataOwnerPkg will contain information about the package 12967 // which was uninstalled while keeping its data. 12968 PackageParser.Package dataOwnerPkg = installedPkg; 12969 if (dataOwnerPkg == null) { 12970 PackageSetting ps = mSettings.mPackages.get(packageName); 12971 if (ps != null) { 12972 dataOwnerPkg = ps.pkg; 12973 } 12974 } 12975 12976 if (dataOwnerPkg != null) { 12977 // If installed, the package will get access to data left on the device by its 12978 // predecessor. As a security measure, this is permited only if this is not a 12979 // version downgrade or if the predecessor package is marked as debuggable and 12980 // a downgrade is explicitly requested. 12981 // 12982 // On debuggable platform builds, downgrades are permitted even for 12983 // non-debuggable packages to make testing easier. Debuggable platform builds do 12984 // not offer security guarantees and thus it's OK to disable some security 12985 // mechanisms to make debugging/testing easier on those builds. However, even on 12986 // debuggable builds downgrades of packages are permitted only if requested via 12987 // installFlags. This is because we aim to keep the behavior of debuggable 12988 // platform builds as close as possible to the behavior of non-debuggable 12989 // platform builds. 12990 final boolean downgradeRequested = 12991 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12992 final boolean packageDebuggable = 12993 (dataOwnerPkg.applicationInfo.flags 12994 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12995 final boolean downgradePermitted = 12996 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12997 if (!downgradePermitted) { 12998 try { 12999 checkDowngrade(dataOwnerPkg, pkgLite); 13000 } catch (PackageManagerException e) { 13001 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 13002 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 13003 } 13004 } 13005 } 13006 13007 if (installedPkg != null) { 13008 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13009 // Check for updated system application. 13010 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13011 if (onSd) { 13012 Slog.w(TAG, "Cannot install update to system app on sdcard"); 13013 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 13014 } 13015 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13016 } else { 13017 if (onSd) { 13018 // Install flag overrides everything. 13019 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13020 } 13021 // If current upgrade specifies particular preference 13022 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 13023 // Application explicitly specified internal. 13024 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13025 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 13026 // App explictly prefers external. Let policy decide 13027 } else { 13028 // Prefer previous location 13029 if (isExternal(installedPkg)) { 13030 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13031 } 13032 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13033 } 13034 } 13035 } else { 13036 // Invalid install. Return error code 13037 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 13038 } 13039 } 13040 } 13041 // All the special cases have been taken care of. 13042 // Return result based on recommended install location. 13043 if (onSd) { 13044 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13045 } 13046 return pkgLite.recommendedInstallLocation; 13047 } 13048 13049 /* 13050 * Invoke remote method to get package information and install 13051 * location values. Override install location based on default 13052 * policy if needed and then create install arguments based 13053 * on the install location. 13054 */ 13055 public void handleStartCopy() throws RemoteException { 13056 int ret = PackageManager.INSTALL_SUCCEEDED; 13057 13058 // If we're already staged, we've firmly committed to an install location 13059 if (origin.staged) { 13060 if (origin.file != null) { 13061 installFlags |= PackageManager.INSTALL_INTERNAL; 13062 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13063 } else if (origin.cid != null) { 13064 installFlags |= PackageManager.INSTALL_EXTERNAL; 13065 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13066 } else { 13067 throw new IllegalStateException("Invalid stage location"); 13068 } 13069 } 13070 13071 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13072 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 13073 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13074 PackageInfoLite pkgLite = null; 13075 13076 if (onInt && onSd) { 13077 // Check if both bits are set. 13078 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 13079 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13080 } else if (onSd && ephemeral) { 13081 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 13082 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13083 } else { 13084 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 13085 packageAbiOverride); 13086 13087 if (DEBUG_EPHEMERAL && ephemeral) { 13088 Slog.v(TAG, "pkgLite for install: " + pkgLite); 13089 } 13090 13091 /* 13092 * If we have too little free space, try to free cache 13093 * before giving up. 13094 */ 13095 if (!origin.staged && pkgLite.recommendedInstallLocation 13096 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13097 // TODO: focus freeing disk space on the target device 13098 final StorageManager storage = StorageManager.from(mContext); 13099 final long lowThreshold = storage.getStorageLowBytes( 13100 Environment.getDataDirectory()); 13101 13102 final long sizeBytes = mContainerService.calculateInstalledSize( 13103 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 13104 13105 try { 13106 mInstaller.freeCache(null, sizeBytes + lowThreshold); 13107 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 13108 installFlags, packageAbiOverride); 13109 } catch (InstallerException e) { 13110 Slog.w(TAG, "Failed to free cache", e); 13111 } 13112 13113 /* 13114 * The cache free must have deleted the file we 13115 * downloaded to install. 13116 * 13117 * TODO: fix the "freeCache" call to not delete 13118 * the file we care about. 13119 */ 13120 if (pkgLite.recommendedInstallLocation 13121 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13122 pkgLite.recommendedInstallLocation 13123 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 13124 } 13125 } 13126 } 13127 13128 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13129 int loc = pkgLite.recommendedInstallLocation; 13130 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 13131 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13132 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 13133 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13134 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13135 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13136 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13137 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13138 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13139 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13140 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13141 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13142 } else { 13143 // Override with defaults if needed. 13144 loc = installLocationPolicy(pkgLite); 13145 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13146 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13147 } else if (!onSd && !onInt) { 13148 // Override install location with flags 13149 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13150 // Set the flag to install on external media. 13151 installFlags |= PackageManager.INSTALL_EXTERNAL; 13152 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13153 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13154 if (DEBUG_EPHEMERAL) { 13155 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13156 } 13157 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13158 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13159 |PackageManager.INSTALL_INTERNAL); 13160 } else { 13161 // Make sure the flag for installing on external 13162 // media is unset 13163 installFlags |= PackageManager.INSTALL_INTERNAL; 13164 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13165 } 13166 } 13167 } 13168 } 13169 13170 final InstallArgs args = createInstallArgs(this); 13171 mArgs = args; 13172 13173 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13174 // TODO: http://b/22976637 13175 // Apps installed for "all" users use the device owner to verify the app 13176 UserHandle verifierUser = getUser(); 13177 if (verifierUser == UserHandle.ALL) { 13178 verifierUser = UserHandle.SYSTEM; 13179 } 13180 13181 /* 13182 * Determine if we have any installed package verifiers. If we 13183 * do, then we'll defer to them to verify the packages. 13184 */ 13185 final int requiredUid = mRequiredVerifierPackage == null ? -1 13186 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13187 verifierUser.getIdentifier()); 13188 if (!origin.existing && requiredUid != -1 13189 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13190 final Intent verification = new Intent( 13191 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13192 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13193 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13194 PACKAGE_MIME_TYPE); 13195 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13196 13197 // Query all live verifiers based on current user state 13198 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13199 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13200 13201 if (DEBUG_VERIFY) { 13202 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13203 + verification.toString() + " with " + pkgLite.verifiers.length 13204 + " optional verifiers"); 13205 } 13206 13207 final int verificationId = mPendingVerificationToken++; 13208 13209 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13210 13211 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13212 installerPackageName); 13213 13214 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13215 installFlags); 13216 13217 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13218 pkgLite.packageName); 13219 13220 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13221 pkgLite.versionCode); 13222 13223 if (verificationInfo != null) { 13224 if (verificationInfo.originatingUri != null) { 13225 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13226 verificationInfo.originatingUri); 13227 } 13228 if (verificationInfo.referrer != null) { 13229 verification.putExtra(Intent.EXTRA_REFERRER, 13230 verificationInfo.referrer); 13231 } 13232 if (verificationInfo.originatingUid >= 0) { 13233 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13234 verificationInfo.originatingUid); 13235 } 13236 if (verificationInfo.installerUid >= 0) { 13237 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13238 verificationInfo.installerUid); 13239 } 13240 } 13241 13242 final PackageVerificationState verificationState = new PackageVerificationState( 13243 requiredUid, args); 13244 13245 mPendingVerification.append(verificationId, verificationState); 13246 13247 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13248 receivers, verificationState); 13249 13250 /* 13251 * If any sufficient verifiers were listed in the package 13252 * manifest, attempt to ask them. 13253 */ 13254 if (sufficientVerifiers != null) { 13255 final int N = sufficientVerifiers.size(); 13256 if (N == 0) { 13257 Slog.i(TAG, "Additional verifiers required, but none installed."); 13258 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13259 } else { 13260 for (int i = 0; i < N; i++) { 13261 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13262 13263 final Intent sufficientIntent = new Intent(verification); 13264 sufficientIntent.setComponent(verifierComponent); 13265 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13266 } 13267 } 13268 } 13269 13270 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13271 mRequiredVerifierPackage, receivers); 13272 if (ret == PackageManager.INSTALL_SUCCEEDED 13273 && mRequiredVerifierPackage != null) { 13274 Trace.asyncTraceBegin( 13275 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13276 /* 13277 * Send the intent to the required verification agent, 13278 * but only start the verification timeout after the 13279 * target BroadcastReceivers have run. 13280 */ 13281 verification.setComponent(requiredVerifierComponent); 13282 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13283 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13284 new BroadcastReceiver() { 13285 @Override 13286 public void onReceive(Context context, Intent intent) { 13287 final Message msg = mHandler 13288 .obtainMessage(CHECK_PENDING_VERIFICATION); 13289 msg.arg1 = verificationId; 13290 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13291 } 13292 }, null, 0, null, null); 13293 13294 /* 13295 * We don't want the copy to proceed until verification 13296 * succeeds, so null out this field. 13297 */ 13298 mArgs = null; 13299 } 13300 } else { 13301 /* 13302 * No package verification is enabled, so immediately start 13303 * the remote call to initiate copy using temporary file. 13304 */ 13305 ret = args.copyApk(mContainerService, true); 13306 } 13307 } 13308 13309 mRet = ret; 13310 } 13311 13312 @Override 13313 void handleReturnCode() { 13314 // If mArgs is null, then MCS couldn't be reached. When it 13315 // reconnects, it will try again to install. At that point, this 13316 // will succeed. 13317 if (mArgs != null) { 13318 processPendingInstall(mArgs, mRet); 13319 } 13320 } 13321 13322 @Override 13323 void handleServiceError() { 13324 mArgs = createInstallArgs(this); 13325 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13326 } 13327 13328 public boolean isForwardLocked() { 13329 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13330 } 13331 } 13332 13333 /** 13334 * Used during creation of InstallArgs 13335 * 13336 * @param installFlags package installation flags 13337 * @return true if should be installed on external storage 13338 */ 13339 private static boolean installOnExternalAsec(int installFlags) { 13340 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13341 return false; 13342 } 13343 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13344 return true; 13345 } 13346 return false; 13347 } 13348 13349 /** 13350 * Used during creation of InstallArgs 13351 * 13352 * @param installFlags package installation flags 13353 * @return true if should be installed as forward locked 13354 */ 13355 private static boolean installForwardLocked(int installFlags) { 13356 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13357 } 13358 13359 private InstallArgs createInstallArgs(InstallParams params) { 13360 if (params.move != null) { 13361 return new MoveInstallArgs(params); 13362 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13363 return new AsecInstallArgs(params); 13364 } else { 13365 return new FileInstallArgs(params); 13366 } 13367 } 13368 13369 /** 13370 * Create args that describe an existing installed package. Typically used 13371 * when cleaning up old installs, or used as a move source. 13372 */ 13373 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13374 String resourcePath, String[] instructionSets) { 13375 final boolean isInAsec; 13376 if (installOnExternalAsec(installFlags)) { 13377 /* Apps on SD card are always in ASEC containers. */ 13378 isInAsec = true; 13379 } else if (installForwardLocked(installFlags) 13380 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13381 /* 13382 * Forward-locked apps are only in ASEC containers if they're the 13383 * new style 13384 */ 13385 isInAsec = true; 13386 } else { 13387 isInAsec = false; 13388 } 13389 13390 if (isInAsec) { 13391 return new AsecInstallArgs(codePath, instructionSets, 13392 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13393 } else { 13394 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13395 } 13396 } 13397 13398 static abstract class InstallArgs { 13399 /** @see InstallParams#origin */ 13400 final OriginInfo origin; 13401 /** @see InstallParams#move */ 13402 final MoveInfo move; 13403 13404 final IPackageInstallObserver2 observer; 13405 // Always refers to PackageManager flags only 13406 final int installFlags; 13407 final String installerPackageName; 13408 final String volumeUuid; 13409 final UserHandle user; 13410 final String abiOverride; 13411 final String[] installGrantPermissions; 13412 /** If non-null, drop an async trace when the install completes */ 13413 final String traceMethod; 13414 final int traceCookie; 13415 final Certificate[][] certificates; 13416 13417 // The list of instruction sets supported by this app. This is currently 13418 // only used during the rmdex() phase to clean up resources. We can get rid of this 13419 // if we move dex files under the common app path. 13420 /* nullable */ String[] instructionSets; 13421 13422 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13423 int installFlags, String installerPackageName, String volumeUuid, 13424 UserHandle user, String[] instructionSets, 13425 String abiOverride, String[] installGrantPermissions, 13426 String traceMethod, int traceCookie, Certificate[][] certificates) { 13427 this.origin = origin; 13428 this.move = move; 13429 this.installFlags = installFlags; 13430 this.observer = observer; 13431 this.installerPackageName = installerPackageName; 13432 this.volumeUuid = volumeUuid; 13433 this.user = user; 13434 this.instructionSets = instructionSets; 13435 this.abiOverride = abiOverride; 13436 this.installGrantPermissions = installGrantPermissions; 13437 this.traceMethod = traceMethod; 13438 this.traceCookie = traceCookie; 13439 this.certificates = certificates; 13440 } 13441 13442 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13443 abstract int doPreInstall(int status); 13444 13445 /** 13446 * Rename package into final resting place. All paths on the given 13447 * scanned package should be updated to reflect the rename. 13448 */ 13449 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13450 abstract int doPostInstall(int status, int uid); 13451 13452 /** @see PackageSettingBase#codePathString */ 13453 abstract String getCodePath(); 13454 /** @see PackageSettingBase#resourcePathString */ 13455 abstract String getResourcePath(); 13456 13457 // Need installer lock especially for dex file removal. 13458 abstract void cleanUpResourcesLI(); 13459 abstract boolean doPostDeleteLI(boolean delete); 13460 13461 /** 13462 * Called before the source arguments are copied. This is used mostly 13463 * for MoveParams when it needs to read the source file to put it in the 13464 * destination. 13465 */ 13466 int doPreCopy() { 13467 return PackageManager.INSTALL_SUCCEEDED; 13468 } 13469 13470 /** 13471 * Called after the source arguments are copied. This is used mostly for 13472 * MoveParams when it needs to read the source file to put it in the 13473 * destination. 13474 */ 13475 int doPostCopy(int uid) { 13476 return PackageManager.INSTALL_SUCCEEDED; 13477 } 13478 13479 protected boolean isFwdLocked() { 13480 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13481 } 13482 13483 protected boolean isExternalAsec() { 13484 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13485 } 13486 13487 protected boolean isEphemeral() { 13488 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13489 } 13490 13491 UserHandle getUser() { 13492 return user; 13493 } 13494 } 13495 13496 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13497 if (!allCodePaths.isEmpty()) { 13498 if (instructionSets == null) { 13499 throw new IllegalStateException("instructionSet == null"); 13500 } 13501 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13502 for (String codePath : allCodePaths) { 13503 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13504 try { 13505 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13506 } catch (InstallerException ignored) { 13507 } 13508 } 13509 } 13510 } 13511 } 13512 13513 /** 13514 * Logic to handle installation of non-ASEC applications, including copying 13515 * and renaming logic. 13516 */ 13517 class FileInstallArgs extends InstallArgs { 13518 private File codeFile; 13519 private File resourceFile; 13520 13521 // Example topology: 13522 // /data/app/com.example/base.apk 13523 // /data/app/com.example/split_foo.apk 13524 // /data/app/com.example/lib/arm/libfoo.so 13525 // /data/app/com.example/lib/arm64/libfoo.so 13526 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13527 13528 /** New install */ 13529 FileInstallArgs(InstallParams params) { 13530 super(params.origin, params.move, params.observer, params.installFlags, 13531 params.installerPackageName, params.volumeUuid, 13532 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13533 params.grantedRuntimePermissions, 13534 params.traceMethod, params.traceCookie, params.certificates); 13535 if (isFwdLocked()) { 13536 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13537 } 13538 } 13539 13540 /** Existing install */ 13541 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13542 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13543 null, null, null, 0, null /*certificates*/); 13544 this.codeFile = (codePath != null) ? new File(codePath) : null; 13545 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13546 } 13547 13548 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13549 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13550 try { 13551 return doCopyApk(imcs, temp); 13552 } finally { 13553 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13554 } 13555 } 13556 13557 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13558 if (origin.staged) { 13559 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13560 codeFile = origin.file; 13561 resourceFile = origin.file; 13562 return PackageManager.INSTALL_SUCCEEDED; 13563 } 13564 13565 try { 13566 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13567 final File tempDir = 13568 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13569 codeFile = tempDir; 13570 resourceFile = tempDir; 13571 } catch (IOException e) { 13572 Slog.w(TAG, "Failed to create copy file: " + e); 13573 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13574 } 13575 13576 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13577 @Override 13578 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13579 if (!FileUtils.isValidExtFilename(name)) { 13580 throw new IllegalArgumentException("Invalid filename: " + name); 13581 } 13582 try { 13583 final File file = new File(codeFile, name); 13584 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13585 O_RDWR | O_CREAT, 0644); 13586 Os.chmod(file.getAbsolutePath(), 0644); 13587 return new ParcelFileDescriptor(fd); 13588 } catch (ErrnoException e) { 13589 throw new RemoteException("Failed to open: " + e.getMessage()); 13590 } 13591 } 13592 }; 13593 13594 int ret = PackageManager.INSTALL_SUCCEEDED; 13595 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13596 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13597 Slog.e(TAG, "Failed to copy package"); 13598 return ret; 13599 } 13600 13601 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13602 NativeLibraryHelper.Handle handle = null; 13603 try { 13604 handle = NativeLibraryHelper.Handle.create(codeFile); 13605 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13606 abiOverride); 13607 } catch (IOException e) { 13608 Slog.e(TAG, "Copying native libraries failed", e); 13609 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13610 } finally { 13611 IoUtils.closeQuietly(handle); 13612 } 13613 13614 return ret; 13615 } 13616 13617 int doPreInstall(int status) { 13618 if (status != PackageManager.INSTALL_SUCCEEDED) { 13619 cleanUp(); 13620 } 13621 return status; 13622 } 13623 13624 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13625 if (status != PackageManager.INSTALL_SUCCEEDED) { 13626 cleanUp(); 13627 return false; 13628 } 13629 13630 final File targetDir = codeFile.getParentFile(); 13631 final File beforeCodeFile = codeFile; 13632 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13633 13634 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13635 try { 13636 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13637 } catch (ErrnoException e) { 13638 Slog.w(TAG, "Failed to rename", e); 13639 return false; 13640 } 13641 13642 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13643 Slog.w(TAG, "Failed to restorecon"); 13644 return false; 13645 } 13646 13647 // Reflect the rename internally 13648 codeFile = afterCodeFile; 13649 resourceFile = afterCodeFile; 13650 13651 // Reflect the rename in scanned details 13652 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13653 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13654 afterCodeFile, pkg.baseCodePath)); 13655 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13656 afterCodeFile, pkg.splitCodePaths)); 13657 13658 // Reflect the rename in app info 13659 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13660 pkg.setApplicationInfoCodePath(pkg.codePath); 13661 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13662 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13663 pkg.setApplicationInfoResourcePath(pkg.codePath); 13664 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13665 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13666 13667 return true; 13668 } 13669 13670 int doPostInstall(int status, int uid) { 13671 if (status != PackageManager.INSTALL_SUCCEEDED) { 13672 cleanUp(); 13673 } 13674 return status; 13675 } 13676 13677 @Override 13678 String getCodePath() { 13679 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13680 } 13681 13682 @Override 13683 String getResourcePath() { 13684 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13685 } 13686 13687 private boolean cleanUp() { 13688 if (codeFile == null || !codeFile.exists()) { 13689 return false; 13690 } 13691 13692 removeCodePathLI(codeFile); 13693 13694 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13695 resourceFile.delete(); 13696 } 13697 13698 return true; 13699 } 13700 13701 void cleanUpResourcesLI() { 13702 // Try enumerating all code paths before deleting 13703 List<String> allCodePaths = Collections.EMPTY_LIST; 13704 if (codeFile != null && codeFile.exists()) { 13705 try { 13706 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13707 allCodePaths = pkg.getAllCodePaths(); 13708 } catch (PackageParserException e) { 13709 // Ignored; we tried our best 13710 } 13711 } 13712 13713 cleanUp(); 13714 removeDexFiles(allCodePaths, instructionSets); 13715 } 13716 13717 boolean doPostDeleteLI(boolean delete) { 13718 // XXX err, shouldn't we respect the delete flag? 13719 cleanUpResourcesLI(); 13720 return true; 13721 } 13722 } 13723 13724 private boolean isAsecExternal(String cid) { 13725 final String asecPath = PackageHelper.getSdFilesystem(cid); 13726 return !asecPath.startsWith(mAsecInternalPath); 13727 } 13728 13729 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13730 PackageManagerException { 13731 if (copyRet < 0) { 13732 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13733 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13734 throw new PackageManagerException(copyRet, message); 13735 } 13736 } 13737 } 13738 13739 /** 13740 * Extract the MountService "container ID" from the full code path of an 13741 * .apk. 13742 */ 13743 static String cidFromCodePath(String fullCodePath) { 13744 int eidx = fullCodePath.lastIndexOf("/"); 13745 String subStr1 = fullCodePath.substring(0, eidx); 13746 int sidx = subStr1.lastIndexOf("/"); 13747 return subStr1.substring(sidx+1, eidx); 13748 } 13749 13750 /** 13751 * Logic to handle installation of ASEC applications, including copying and 13752 * renaming logic. 13753 */ 13754 class AsecInstallArgs extends InstallArgs { 13755 static final String RES_FILE_NAME = "pkg.apk"; 13756 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13757 13758 String cid; 13759 String packagePath; 13760 String resourcePath; 13761 13762 /** New install */ 13763 AsecInstallArgs(InstallParams params) { 13764 super(params.origin, params.move, params.observer, params.installFlags, 13765 params.installerPackageName, params.volumeUuid, 13766 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13767 params.grantedRuntimePermissions, 13768 params.traceMethod, params.traceCookie, params.certificates); 13769 } 13770 13771 /** Existing install */ 13772 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13773 boolean isExternal, boolean isForwardLocked) { 13774 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13775 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13776 instructionSets, null, null, null, 0, null /*certificates*/); 13777 // Hackily pretend we're still looking at a full code path 13778 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13779 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13780 } 13781 13782 // Extract cid from fullCodePath 13783 int eidx = fullCodePath.lastIndexOf("/"); 13784 String subStr1 = fullCodePath.substring(0, eidx); 13785 int sidx = subStr1.lastIndexOf("/"); 13786 cid = subStr1.substring(sidx+1, eidx); 13787 setMountPath(subStr1); 13788 } 13789 13790 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13791 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13792 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13793 instructionSets, null, null, null, 0, null /*certificates*/); 13794 this.cid = cid; 13795 setMountPath(PackageHelper.getSdDir(cid)); 13796 } 13797 13798 void createCopyFile() { 13799 cid = mInstallerService.allocateExternalStageCidLegacy(); 13800 } 13801 13802 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13803 if (origin.staged && origin.cid != null) { 13804 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13805 cid = origin.cid; 13806 setMountPath(PackageHelper.getSdDir(cid)); 13807 return PackageManager.INSTALL_SUCCEEDED; 13808 } 13809 13810 if (temp) { 13811 createCopyFile(); 13812 } else { 13813 /* 13814 * Pre-emptively destroy the container since it's destroyed if 13815 * copying fails due to it existing anyway. 13816 */ 13817 PackageHelper.destroySdDir(cid); 13818 } 13819 13820 final String newMountPath = imcs.copyPackageToContainer( 13821 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13822 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13823 13824 if (newMountPath != null) { 13825 setMountPath(newMountPath); 13826 return PackageManager.INSTALL_SUCCEEDED; 13827 } else { 13828 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13829 } 13830 } 13831 13832 @Override 13833 String getCodePath() { 13834 return packagePath; 13835 } 13836 13837 @Override 13838 String getResourcePath() { 13839 return resourcePath; 13840 } 13841 13842 int doPreInstall(int status) { 13843 if (status != PackageManager.INSTALL_SUCCEEDED) { 13844 // Destroy container 13845 PackageHelper.destroySdDir(cid); 13846 } else { 13847 boolean mounted = PackageHelper.isContainerMounted(cid); 13848 if (!mounted) { 13849 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13850 Process.SYSTEM_UID); 13851 if (newMountPath != null) { 13852 setMountPath(newMountPath); 13853 } else { 13854 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13855 } 13856 } 13857 } 13858 return status; 13859 } 13860 13861 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13862 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13863 String newMountPath = null; 13864 if (PackageHelper.isContainerMounted(cid)) { 13865 // Unmount the container 13866 if (!PackageHelper.unMountSdDir(cid)) { 13867 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13868 return false; 13869 } 13870 } 13871 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13872 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13873 " which might be stale. Will try to clean up."); 13874 // Clean up the stale container and proceed to recreate. 13875 if (!PackageHelper.destroySdDir(newCacheId)) { 13876 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13877 return false; 13878 } 13879 // Successfully cleaned up stale container. Try to rename again. 13880 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13881 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13882 + " inspite of cleaning it up."); 13883 return false; 13884 } 13885 } 13886 if (!PackageHelper.isContainerMounted(newCacheId)) { 13887 Slog.w(TAG, "Mounting container " + newCacheId); 13888 newMountPath = PackageHelper.mountSdDir(newCacheId, 13889 getEncryptKey(), Process.SYSTEM_UID); 13890 } else { 13891 newMountPath = PackageHelper.getSdDir(newCacheId); 13892 } 13893 if (newMountPath == null) { 13894 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13895 return false; 13896 } 13897 Log.i(TAG, "Succesfully renamed " + cid + 13898 " to " + newCacheId + 13899 " at new path: " + newMountPath); 13900 cid = newCacheId; 13901 13902 final File beforeCodeFile = new File(packagePath); 13903 setMountPath(newMountPath); 13904 final File afterCodeFile = new File(packagePath); 13905 13906 // Reflect the rename in scanned details 13907 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13908 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13909 afterCodeFile, pkg.baseCodePath)); 13910 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13911 afterCodeFile, pkg.splitCodePaths)); 13912 13913 // Reflect the rename in app info 13914 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13915 pkg.setApplicationInfoCodePath(pkg.codePath); 13916 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13917 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13918 pkg.setApplicationInfoResourcePath(pkg.codePath); 13919 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13920 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13921 13922 return true; 13923 } 13924 13925 private void setMountPath(String mountPath) { 13926 final File mountFile = new File(mountPath); 13927 13928 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13929 if (monolithicFile.exists()) { 13930 packagePath = monolithicFile.getAbsolutePath(); 13931 if (isFwdLocked()) { 13932 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13933 } else { 13934 resourcePath = packagePath; 13935 } 13936 } else { 13937 packagePath = mountFile.getAbsolutePath(); 13938 resourcePath = packagePath; 13939 } 13940 } 13941 13942 int doPostInstall(int status, int uid) { 13943 if (status != PackageManager.INSTALL_SUCCEEDED) { 13944 cleanUp(); 13945 } else { 13946 final int groupOwner; 13947 final String protectedFile; 13948 if (isFwdLocked()) { 13949 groupOwner = UserHandle.getSharedAppGid(uid); 13950 protectedFile = RES_FILE_NAME; 13951 } else { 13952 groupOwner = -1; 13953 protectedFile = null; 13954 } 13955 13956 if (uid < Process.FIRST_APPLICATION_UID 13957 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13958 Slog.e(TAG, "Failed to finalize " + cid); 13959 PackageHelper.destroySdDir(cid); 13960 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13961 } 13962 13963 boolean mounted = PackageHelper.isContainerMounted(cid); 13964 if (!mounted) { 13965 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13966 } 13967 } 13968 return status; 13969 } 13970 13971 private void cleanUp() { 13972 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13973 13974 // Destroy secure container 13975 PackageHelper.destroySdDir(cid); 13976 } 13977 13978 private List<String> getAllCodePaths() { 13979 final File codeFile = new File(getCodePath()); 13980 if (codeFile != null && codeFile.exists()) { 13981 try { 13982 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13983 return pkg.getAllCodePaths(); 13984 } catch (PackageParserException e) { 13985 // Ignored; we tried our best 13986 } 13987 } 13988 return Collections.EMPTY_LIST; 13989 } 13990 13991 void cleanUpResourcesLI() { 13992 // Enumerate all code paths before deleting 13993 cleanUpResourcesLI(getAllCodePaths()); 13994 } 13995 13996 private void cleanUpResourcesLI(List<String> allCodePaths) { 13997 cleanUp(); 13998 removeDexFiles(allCodePaths, instructionSets); 13999 } 14000 14001 String getPackageName() { 14002 return getAsecPackageName(cid); 14003 } 14004 14005 boolean doPostDeleteLI(boolean delete) { 14006 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 14007 final List<String> allCodePaths = getAllCodePaths(); 14008 boolean mounted = PackageHelper.isContainerMounted(cid); 14009 if (mounted) { 14010 // Unmount first 14011 if (PackageHelper.unMountSdDir(cid)) { 14012 mounted = false; 14013 } 14014 } 14015 if (!mounted && delete) { 14016 cleanUpResourcesLI(allCodePaths); 14017 } 14018 return !mounted; 14019 } 14020 14021 @Override 14022 int doPreCopy() { 14023 if (isFwdLocked()) { 14024 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 14025 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 14026 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14027 } 14028 } 14029 14030 return PackageManager.INSTALL_SUCCEEDED; 14031 } 14032 14033 @Override 14034 int doPostCopy(int uid) { 14035 if (isFwdLocked()) { 14036 if (uid < Process.FIRST_APPLICATION_UID 14037 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 14038 RES_FILE_NAME)) { 14039 Slog.e(TAG, "Failed to finalize " + cid); 14040 PackageHelper.destroySdDir(cid); 14041 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14042 } 14043 } 14044 14045 return PackageManager.INSTALL_SUCCEEDED; 14046 } 14047 } 14048 14049 /** 14050 * Logic to handle movement of existing installed applications. 14051 */ 14052 class MoveInstallArgs extends InstallArgs { 14053 private File codeFile; 14054 private File resourceFile; 14055 14056 /** New install */ 14057 MoveInstallArgs(InstallParams params) { 14058 super(params.origin, params.move, params.observer, params.installFlags, 14059 params.installerPackageName, params.volumeUuid, 14060 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 14061 params.grantedRuntimePermissions, 14062 params.traceMethod, params.traceCookie, params.certificates); 14063 } 14064 14065 int copyApk(IMediaContainerService imcs, boolean temp) { 14066 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 14067 + move.fromUuid + " to " + move.toUuid); 14068 synchronized (mInstaller) { 14069 try { 14070 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 14071 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 14072 } catch (InstallerException e) { 14073 Slog.w(TAG, "Failed to move app", e); 14074 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14075 } 14076 } 14077 14078 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 14079 resourceFile = codeFile; 14080 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 14081 14082 return PackageManager.INSTALL_SUCCEEDED; 14083 } 14084 14085 int doPreInstall(int status) { 14086 if (status != PackageManager.INSTALL_SUCCEEDED) { 14087 cleanUp(move.toUuid); 14088 } 14089 return status; 14090 } 14091 14092 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14093 if (status != PackageManager.INSTALL_SUCCEEDED) { 14094 cleanUp(move.toUuid); 14095 return false; 14096 } 14097 14098 // Reflect the move in app info 14099 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14100 pkg.setApplicationInfoCodePath(pkg.codePath); 14101 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14102 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14103 pkg.setApplicationInfoResourcePath(pkg.codePath); 14104 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14105 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14106 14107 return true; 14108 } 14109 14110 int doPostInstall(int status, int uid) { 14111 if (status == PackageManager.INSTALL_SUCCEEDED) { 14112 cleanUp(move.fromUuid); 14113 } else { 14114 cleanUp(move.toUuid); 14115 } 14116 return status; 14117 } 14118 14119 @Override 14120 String getCodePath() { 14121 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14122 } 14123 14124 @Override 14125 String getResourcePath() { 14126 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14127 } 14128 14129 private boolean cleanUp(String volumeUuid) { 14130 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 14131 move.dataAppName); 14132 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 14133 final int[] userIds = sUserManager.getUserIds(); 14134 synchronized (mInstallLock) { 14135 // Clean up both app data and code 14136 // All package moves are frozen until finished 14137 for (int userId : userIds) { 14138 try { 14139 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14140 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14141 } catch (InstallerException e) { 14142 Slog.w(TAG, String.valueOf(e)); 14143 } 14144 } 14145 removeCodePathLI(codeFile); 14146 } 14147 return true; 14148 } 14149 14150 void cleanUpResourcesLI() { 14151 throw new UnsupportedOperationException(); 14152 } 14153 14154 boolean doPostDeleteLI(boolean delete) { 14155 throw new UnsupportedOperationException(); 14156 } 14157 } 14158 14159 static String getAsecPackageName(String packageCid) { 14160 int idx = packageCid.lastIndexOf("-"); 14161 if (idx == -1) { 14162 return packageCid; 14163 } 14164 return packageCid.substring(0, idx); 14165 } 14166 14167 // Utility method used to create code paths based on package name and available index. 14168 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14169 String idxStr = ""; 14170 int idx = 1; 14171 // Fall back to default value of idx=1 if prefix is not 14172 // part of oldCodePath 14173 if (oldCodePath != null) { 14174 String subStr = oldCodePath; 14175 // Drop the suffix right away 14176 if (suffix != null && subStr.endsWith(suffix)) { 14177 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14178 } 14179 // If oldCodePath already contains prefix find out the 14180 // ending index to either increment or decrement. 14181 int sidx = subStr.lastIndexOf(prefix); 14182 if (sidx != -1) { 14183 subStr = subStr.substring(sidx + prefix.length()); 14184 if (subStr != null) { 14185 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14186 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14187 } 14188 try { 14189 idx = Integer.parseInt(subStr); 14190 if (idx <= 1) { 14191 idx++; 14192 } else { 14193 idx--; 14194 } 14195 } catch(NumberFormatException e) { 14196 } 14197 } 14198 } 14199 } 14200 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14201 return prefix + idxStr; 14202 } 14203 14204 private File getNextCodePath(File targetDir, String packageName) { 14205 int suffix = 1; 14206 File result; 14207 do { 14208 result = new File(targetDir, packageName + "-" + suffix); 14209 suffix++; 14210 } while (result.exists()); 14211 return result; 14212 } 14213 14214 // Utility method that returns the relative package path with respect 14215 // to the installation directory. Like say for /data/data/com.test-1.apk 14216 // string com.test-1 is returned. 14217 static String deriveCodePathName(String codePath) { 14218 if (codePath == null) { 14219 return null; 14220 } 14221 final File codeFile = new File(codePath); 14222 final String name = codeFile.getName(); 14223 if (codeFile.isDirectory()) { 14224 return name; 14225 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14226 final int lastDot = name.lastIndexOf('.'); 14227 return name.substring(0, lastDot); 14228 } else { 14229 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14230 return null; 14231 } 14232 } 14233 14234 static class PackageInstalledInfo { 14235 String name; 14236 int uid; 14237 // The set of users that originally had this package installed. 14238 int[] origUsers; 14239 // The set of users that now have this package installed. 14240 int[] newUsers; 14241 PackageParser.Package pkg; 14242 int returnCode; 14243 String returnMsg; 14244 PackageRemovedInfo removedInfo; 14245 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14246 14247 public void setError(int code, String msg) { 14248 setReturnCode(code); 14249 setReturnMessage(msg); 14250 Slog.w(TAG, msg); 14251 } 14252 14253 public void setError(String msg, PackageParserException e) { 14254 setReturnCode(e.error); 14255 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14256 Slog.w(TAG, msg, e); 14257 } 14258 14259 public void setError(String msg, PackageManagerException e) { 14260 returnCode = e.error; 14261 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14262 Slog.w(TAG, msg, e); 14263 } 14264 14265 public void setReturnCode(int returnCode) { 14266 this.returnCode = returnCode; 14267 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14268 for (int i = 0; i < childCount; i++) { 14269 addedChildPackages.valueAt(i).returnCode = returnCode; 14270 } 14271 } 14272 14273 private void setReturnMessage(String returnMsg) { 14274 this.returnMsg = returnMsg; 14275 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14276 for (int i = 0; i < childCount; i++) { 14277 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14278 } 14279 } 14280 14281 // In some error cases we want to convey more info back to the observer 14282 String origPackage; 14283 String origPermission; 14284 } 14285 14286 /* 14287 * Install a non-existing package. 14288 */ 14289 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14290 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14291 PackageInstalledInfo res) { 14292 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14293 14294 // Remember this for later, in case we need to rollback this install 14295 String pkgName = pkg.packageName; 14296 14297 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14298 14299 synchronized(mPackages) { 14300 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 14301 if (renamedPackage != null) { 14302 // A package with the same name is already installed, though 14303 // it has been renamed to an older name. The package we 14304 // are trying to install should be installed as an update to 14305 // the existing one, but that has not been requested, so bail. 14306 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14307 + " without first uninstalling package running as " 14308 + renamedPackage); 14309 return; 14310 } 14311 if (mPackages.containsKey(pkgName)) { 14312 // Don't allow installation over an existing package with the same name. 14313 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14314 + " without first uninstalling."); 14315 return; 14316 } 14317 } 14318 14319 try { 14320 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14321 System.currentTimeMillis(), user); 14322 14323 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14324 14325 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14326 prepareAppDataAfterInstallLIF(newPackage); 14327 14328 } else { 14329 // Remove package from internal structures, but keep around any 14330 // data that might have already existed 14331 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14332 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14333 } 14334 } catch (PackageManagerException e) { 14335 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14336 } 14337 14338 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14339 } 14340 14341 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14342 // Can't rotate keys during boot or if sharedUser. 14343 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14344 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14345 return false; 14346 } 14347 // app is using upgradeKeySets; make sure all are valid 14348 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14349 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14350 for (int i = 0; i < upgradeKeySets.length; i++) { 14351 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14352 Slog.wtf(TAG, "Package " 14353 + (oldPs.name != null ? oldPs.name : "<null>") 14354 + " contains upgrade-key-set reference to unknown key-set: " 14355 + upgradeKeySets[i] 14356 + " reverting to signatures check."); 14357 return false; 14358 } 14359 } 14360 return true; 14361 } 14362 14363 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14364 // Upgrade keysets are being used. Determine if new package has a superset of the 14365 // required keys. 14366 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14367 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14368 for (int i = 0; i < upgradeKeySets.length; i++) { 14369 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14370 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14371 return true; 14372 } 14373 } 14374 return false; 14375 } 14376 14377 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14378 try (DigestInputStream digestStream = 14379 new DigestInputStream(new FileInputStream(file), digest)) { 14380 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14381 } 14382 } 14383 14384 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14385 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14386 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14387 14388 final PackageParser.Package oldPackage; 14389 final String pkgName = pkg.packageName; 14390 final int[] allUsers; 14391 final int[] installedUsers; 14392 14393 synchronized(mPackages) { 14394 oldPackage = mPackages.get(pkgName); 14395 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14396 14397 // don't allow upgrade to target a release SDK from a pre-release SDK 14398 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14399 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14400 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14401 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14402 if (oldTargetsPreRelease 14403 && !newTargetsPreRelease 14404 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14405 Slog.w(TAG, "Can't install package targeting released sdk"); 14406 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14407 return; 14408 } 14409 14410 // don't allow an upgrade from full to ephemeral 14411 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14412 if (isEphemeral && !oldIsEphemeral) { 14413 // can't downgrade from full to ephemeral 14414 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14415 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14416 return; 14417 } 14418 14419 // verify signatures are valid 14420 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14421 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14422 if (!checkUpgradeKeySetLP(ps, pkg)) { 14423 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14424 "New package not signed by keys specified by upgrade-keysets: " 14425 + pkgName); 14426 return; 14427 } 14428 } else { 14429 // default to original signature matching 14430 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14431 != PackageManager.SIGNATURE_MATCH) { 14432 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14433 "New package has a different signature: " + pkgName); 14434 return; 14435 } 14436 } 14437 14438 // don't allow a system upgrade unless the upgrade hash matches 14439 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14440 byte[] digestBytes = null; 14441 try { 14442 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14443 updateDigest(digest, new File(pkg.baseCodePath)); 14444 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14445 for (String path : pkg.splitCodePaths) { 14446 updateDigest(digest, new File(path)); 14447 } 14448 } 14449 digestBytes = digest.digest(); 14450 } catch (NoSuchAlgorithmException | IOException e) { 14451 res.setError(INSTALL_FAILED_INVALID_APK, 14452 "Could not compute hash: " + pkgName); 14453 return; 14454 } 14455 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14456 res.setError(INSTALL_FAILED_INVALID_APK, 14457 "New package fails restrict-update check: " + pkgName); 14458 return; 14459 } 14460 // retain upgrade restriction 14461 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14462 } 14463 14464 // Check for shared user id changes 14465 String invalidPackageName = 14466 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14467 if (invalidPackageName != null) { 14468 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14469 "Package " + invalidPackageName + " tried to change user " 14470 + oldPackage.mSharedUserId); 14471 return; 14472 } 14473 14474 // In case of rollback, remember per-user/profile install state 14475 allUsers = sUserManager.getUserIds(); 14476 installedUsers = ps.queryInstalledUsers(allUsers, true); 14477 } 14478 14479 // Update what is removed 14480 res.removedInfo = new PackageRemovedInfo(); 14481 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14482 res.removedInfo.removedPackage = oldPackage.packageName; 14483 res.removedInfo.isUpdate = true; 14484 res.removedInfo.origUsers = installedUsers; 14485 final int childCount = (oldPackage.childPackages != null) 14486 ? oldPackage.childPackages.size() : 0; 14487 for (int i = 0; i < childCount; i++) { 14488 boolean childPackageUpdated = false; 14489 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14490 if (res.addedChildPackages != null) { 14491 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14492 if (childRes != null) { 14493 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14494 childRes.removedInfo.removedPackage = childPkg.packageName; 14495 childRes.removedInfo.isUpdate = true; 14496 childPackageUpdated = true; 14497 } 14498 } 14499 if (!childPackageUpdated) { 14500 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14501 childRemovedRes.removedPackage = childPkg.packageName; 14502 childRemovedRes.isUpdate = false; 14503 childRemovedRes.dataRemoved = true; 14504 synchronized (mPackages) { 14505 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14506 if (childPs != null) { 14507 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14508 } 14509 } 14510 if (res.removedInfo.removedChildPackages == null) { 14511 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14512 } 14513 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14514 } 14515 } 14516 14517 boolean sysPkg = (isSystemApp(oldPackage)); 14518 if (sysPkg) { 14519 // Set the system/privileged flags as needed 14520 final boolean privileged = 14521 (oldPackage.applicationInfo.privateFlags 14522 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14523 final int systemPolicyFlags = policyFlags 14524 | PackageParser.PARSE_IS_SYSTEM 14525 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14526 14527 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14528 user, allUsers, installerPackageName, res); 14529 } else { 14530 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14531 user, allUsers, installerPackageName, res); 14532 } 14533 } 14534 14535 public List<String> getPreviousCodePaths(String packageName) { 14536 final PackageSetting ps = mSettings.mPackages.get(packageName); 14537 final List<String> result = new ArrayList<String>(); 14538 if (ps != null && ps.oldCodePaths != null) { 14539 result.addAll(ps.oldCodePaths); 14540 } 14541 return result; 14542 } 14543 14544 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14545 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14546 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14547 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14548 + deletedPackage); 14549 14550 String pkgName = deletedPackage.packageName; 14551 boolean deletedPkg = true; 14552 boolean addedPkg = false; 14553 boolean updatedSettings = false; 14554 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14555 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14556 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14557 14558 final long origUpdateTime = (pkg.mExtras != null) 14559 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14560 14561 // First delete the existing package while retaining the data directory 14562 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14563 res.removedInfo, true, pkg)) { 14564 // If the existing package wasn't successfully deleted 14565 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14566 deletedPkg = false; 14567 } else { 14568 // Successfully deleted the old package; proceed with replace. 14569 14570 // If deleted package lived in a container, give users a chance to 14571 // relinquish resources before killing. 14572 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14573 if (DEBUG_INSTALL) { 14574 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14575 } 14576 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14577 final ArrayList<String> pkgList = new ArrayList<String>(1); 14578 pkgList.add(deletedPackage.applicationInfo.packageName); 14579 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14580 } 14581 14582 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14583 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14584 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14585 14586 try { 14587 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14588 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14589 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14590 14591 // Update the in-memory copy of the previous code paths. 14592 PackageSetting ps = mSettings.mPackages.get(pkgName); 14593 if (!killApp) { 14594 if (ps.oldCodePaths == null) { 14595 ps.oldCodePaths = new ArraySet<>(); 14596 } 14597 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14598 if (deletedPackage.splitCodePaths != null) { 14599 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14600 } 14601 } else { 14602 ps.oldCodePaths = null; 14603 } 14604 if (ps.childPackageNames != null) { 14605 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14606 final String childPkgName = ps.childPackageNames.get(i); 14607 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14608 childPs.oldCodePaths = ps.oldCodePaths; 14609 } 14610 } 14611 prepareAppDataAfterInstallLIF(newPackage); 14612 addedPkg = true; 14613 } catch (PackageManagerException e) { 14614 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14615 } 14616 } 14617 14618 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14619 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14620 14621 // Revert all internal state mutations and added folders for the failed install 14622 if (addedPkg) { 14623 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14624 res.removedInfo, true, null); 14625 } 14626 14627 // Restore the old package 14628 if (deletedPkg) { 14629 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14630 File restoreFile = new File(deletedPackage.codePath); 14631 // Parse old package 14632 boolean oldExternal = isExternal(deletedPackage); 14633 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14634 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14635 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14636 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14637 try { 14638 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14639 null); 14640 } catch (PackageManagerException e) { 14641 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14642 + e.getMessage()); 14643 return; 14644 } 14645 14646 synchronized (mPackages) { 14647 // Ensure the installer package name up to date 14648 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14649 14650 // Update permissions for restored package 14651 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14652 14653 mSettings.writeLPr(); 14654 } 14655 14656 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14657 } 14658 } else { 14659 synchronized (mPackages) { 14660 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14661 if (ps != null) { 14662 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14663 if (res.removedInfo.removedChildPackages != null) { 14664 final int childCount = res.removedInfo.removedChildPackages.size(); 14665 // Iterate in reverse as we may modify the collection 14666 for (int i = childCount - 1; i >= 0; i--) { 14667 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14668 if (res.addedChildPackages.containsKey(childPackageName)) { 14669 res.removedInfo.removedChildPackages.removeAt(i); 14670 } else { 14671 PackageRemovedInfo childInfo = res.removedInfo 14672 .removedChildPackages.valueAt(i); 14673 childInfo.removedForAllUsers = mPackages.get( 14674 childInfo.removedPackage) == null; 14675 } 14676 } 14677 } 14678 } 14679 } 14680 } 14681 } 14682 14683 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14684 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14685 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14686 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14687 + ", old=" + deletedPackage); 14688 14689 final boolean disabledSystem; 14690 14691 // Remove existing system package 14692 removePackageLI(deletedPackage, true); 14693 14694 synchronized (mPackages) { 14695 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14696 } 14697 if (!disabledSystem) { 14698 // We didn't need to disable the .apk as a current system package, 14699 // which means we are replacing another update that is already 14700 // installed. We need to make sure to delete the older one's .apk. 14701 res.removedInfo.args = createInstallArgsForExisting(0, 14702 deletedPackage.applicationInfo.getCodePath(), 14703 deletedPackage.applicationInfo.getResourcePath(), 14704 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14705 } else { 14706 res.removedInfo.args = null; 14707 } 14708 14709 // Successfully disabled the old package. Now proceed with re-installation 14710 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14711 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14712 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14713 14714 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14715 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14716 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14717 14718 PackageParser.Package newPackage = null; 14719 try { 14720 // Add the package to the internal data structures 14721 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14722 14723 // Set the update and install times 14724 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14725 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14726 System.currentTimeMillis()); 14727 14728 // Update the package dynamic state if succeeded 14729 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14730 // Now that the install succeeded make sure we remove data 14731 // directories for any child package the update removed. 14732 final int deletedChildCount = (deletedPackage.childPackages != null) 14733 ? deletedPackage.childPackages.size() : 0; 14734 final int newChildCount = (newPackage.childPackages != null) 14735 ? newPackage.childPackages.size() : 0; 14736 for (int i = 0; i < deletedChildCount; i++) { 14737 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14738 boolean childPackageDeleted = true; 14739 for (int j = 0; j < newChildCount; j++) { 14740 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14741 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14742 childPackageDeleted = false; 14743 break; 14744 } 14745 } 14746 if (childPackageDeleted) { 14747 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14748 deletedChildPkg.packageName); 14749 if (ps != null && res.removedInfo.removedChildPackages != null) { 14750 PackageRemovedInfo removedChildRes = res.removedInfo 14751 .removedChildPackages.get(deletedChildPkg.packageName); 14752 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14753 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14754 } 14755 } 14756 } 14757 14758 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14759 prepareAppDataAfterInstallLIF(newPackage); 14760 } 14761 } catch (PackageManagerException e) { 14762 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14763 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14764 } 14765 14766 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14767 // Re installation failed. Restore old information 14768 // Remove new pkg information 14769 if (newPackage != null) { 14770 removeInstalledPackageLI(newPackage, true); 14771 } 14772 // Add back the old system package 14773 try { 14774 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14775 } catch (PackageManagerException e) { 14776 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14777 } 14778 14779 synchronized (mPackages) { 14780 if (disabledSystem) { 14781 enableSystemPackageLPw(deletedPackage); 14782 } 14783 14784 // Ensure the installer package name up to date 14785 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14786 14787 // Update permissions for restored package 14788 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14789 14790 mSettings.writeLPr(); 14791 } 14792 14793 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14794 + " after failed upgrade"); 14795 } 14796 } 14797 14798 /** 14799 * Checks whether the parent or any of the child packages have a change shared 14800 * user. For a package to be a valid update the shred users of the parent and 14801 * the children should match. We may later support changing child shared users. 14802 * @param oldPkg The updated package. 14803 * @param newPkg The update package. 14804 * @return The shared user that change between the versions. 14805 */ 14806 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14807 PackageParser.Package newPkg) { 14808 // Check parent shared user 14809 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14810 return newPkg.packageName; 14811 } 14812 // Check child shared users 14813 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14814 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14815 for (int i = 0; i < newChildCount; i++) { 14816 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14817 // If this child was present, did it have the same shared user? 14818 for (int j = 0; j < oldChildCount; j++) { 14819 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14820 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14821 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14822 return newChildPkg.packageName; 14823 } 14824 } 14825 } 14826 return null; 14827 } 14828 14829 private void removeNativeBinariesLI(PackageSetting ps) { 14830 // Remove the lib path for the parent package 14831 if (ps != null) { 14832 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14833 // Remove the lib path for the child packages 14834 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14835 for (int i = 0; i < childCount; i++) { 14836 PackageSetting childPs = null; 14837 synchronized (mPackages) { 14838 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14839 } 14840 if (childPs != null) { 14841 NativeLibraryHelper.removeNativeBinariesLI(childPs 14842 .legacyNativeLibraryPathString); 14843 } 14844 } 14845 } 14846 } 14847 14848 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14849 // Enable the parent package 14850 mSettings.enableSystemPackageLPw(pkg.packageName); 14851 // Enable the child packages 14852 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14853 for (int i = 0; i < childCount; i++) { 14854 PackageParser.Package childPkg = pkg.childPackages.get(i); 14855 mSettings.enableSystemPackageLPw(childPkg.packageName); 14856 } 14857 } 14858 14859 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14860 PackageParser.Package newPkg) { 14861 // Disable the parent package (parent always replaced) 14862 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14863 // Disable the child packages 14864 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14865 for (int i = 0; i < childCount; i++) { 14866 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14867 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14868 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14869 } 14870 return disabled; 14871 } 14872 14873 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14874 String installerPackageName) { 14875 // Enable the parent package 14876 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14877 // Enable the child packages 14878 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14879 for (int i = 0; i < childCount; i++) { 14880 PackageParser.Package childPkg = pkg.childPackages.get(i); 14881 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14882 } 14883 } 14884 14885 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14886 // Collect all used permissions in the UID 14887 ArraySet<String> usedPermissions = new ArraySet<>(); 14888 final int packageCount = su.packages.size(); 14889 for (int i = 0; i < packageCount; i++) { 14890 PackageSetting ps = su.packages.valueAt(i); 14891 if (ps.pkg == null) { 14892 continue; 14893 } 14894 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14895 for (int j = 0; j < requestedPermCount; j++) { 14896 String permission = ps.pkg.requestedPermissions.get(j); 14897 BasePermission bp = mSettings.mPermissions.get(permission); 14898 if (bp != null) { 14899 usedPermissions.add(permission); 14900 } 14901 } 14902 } 14903 14904 PermissionsState permissionsState = su.getPermissionsState(); 14905 // Prune install permissions 14906 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14907 final int installPermCount = installPermStates.size(); 14908 for (int i = installPermCount - 1; i >= 0; i--) { 14909 PermissionState permissionState = installPermStates.get(i); 14910 if (!usedPermissions.contains(permissionState.getName())) { 14911 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14912 if (bp != null) { 14913 permissionsState.revokeInstallPermission(bp); 14914 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14915 PackageManager.MASK_PERMISSION_FLAGS, 0); 14916 } 14917 } 14918 } 14919 14920 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14921 14922 // Prune runtime permissions 14923 for (int userId : allUserIds) { 14924 List<PermissionState> runtimePermStates = permissionsState 14925 .getRuntimePermissionStates(userId); 14926 final int runtimePermCount = runtimePermStates.size(); 14927 for (int i = runtimePermCount - 1; i >= 0; i--) { 14928 PermissionState permissionState = runtimePermStates.get(i); 14929 if (!usedPermissions.contains(permissionState.getName())) { 14930 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14931 if (bp != null) { 14932 permissionsState.revokeRuntimePermission(bp, userId); 14933 permissionsState.updatePermissionFlags(bp, userId, 14934 PackageManager.MASK_PERMISSION_FLAGS, 0); 14935 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14936 runtimePermissionChangedUserIds, userId); 14937 } 14938 } 14939 } 14940 } 14941 14942 return runtimePermissionChangedUserIds; 14943 } 14944 14945 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14946 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14947 // Update the parent package setting 14948 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14949 res, user); 14950 // Update the child packages setting 14951 final int childCount = (newPackage.childPackages != null) 14952 ? newPackage.childPackages.size() : 0; 14953 for (int i = 0; i < childCount; i++) { 14954 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14955 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14956 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14957 childRes.origUsers, childRes, user); 14958 } 14959 } 14960 14961 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14962 String installerPackageName, int[] allUsers, int[] installedForUsers, 14963 PackageInstalledInfo res, UserHandle user) { 14964 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14965 14966 String pkgName = newPackage.packageName; 14967 synchronized (mPackages) { 14968 //write settings. the installStatus will be incomplete at this stage. 14969 //note that the new package setting would have already been 14970 //added to mPackages. It hasn't been persisted yet. 14971 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14972 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14973 mSettings.writeLPr(); 14974 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14975 } 14976 14977 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14978 synchronized (mPackages) { 14979 updatePermissionsLPw(newPackage.packageName, newPackage, 14980 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14981 ? UPDATE_PERMISSIONS_ALL : 0)); 14982 // For system-bundled packages, we assume that installing an upgraded version 14983 // of the package implies that the user actually wants to run that new code, 14984 // so we enable the package. 14985 PackageSetting ps = mSettings.mPackages.get(pkgName); 14986 final int userId = user.getIdentifier(); 14987 if (ps != null) { 14988 if (isSystemApp(newPackage)) { 14989 if (DEBUG_INSTALL) { 14990 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14991 } 14992 // Enable system package for requested users 14993 if (res.origUsers != null) { 14994 for (int origUserId : res.origUsers) { 14995 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14996 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14997 origUserId, installerPackageName); 14998 } 14999 } 15000 } 15001 // Also convey the prior install/uninstall state 15002 if (allUsers != null && installedForUsers != null) { 15003 for (int currentUserId : allUsers) { 15004 final boolean installed = ArrayUtils.contains( 15005 installedForUsers, currentUserId); 15006 if (DEBUG_INSTALL) { 15007 Slog.d(TAG, " user " + currentUserId + " => " + installed); 15008 } 15009 ps.setInstalled(installed, currentUserId); 15010 } 15011 // these install state changes will be persisted in the 15012 // upcoming call to mSettings.writeLPr(). 15013 } 15014 } 15015 // It's implied that when a user requests installation, they want the app to be 15016 // installed and enabled. 15017 if (userId != UserHandle.USER_ALL) { 15018 ps.setInstalled(true, userId); 15019 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 15020 } 15021 } 15022 res.name = pkgName; 15023 res.uid = newPackage.applicationInfo.uid; 15024 res.pkg = newPackage; 15025 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 15026 mSettings.setInstallerPackageName(pkgName, installerPackageName); 15027 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15028 //to update install status 15029 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15030 mSettings.writeLPr(); 15031 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15032 } 15033 15034 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15035 } 15036 15037 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 15038 try { 15039 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 15040 installPackageLI(args, res); 15041 } finally { 15042 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15043 } 15044 } 15045 15046 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 15047 final int installFlags = args.installFlags; 15048 final String installerPackageName = args.installerPackageName; 15049 final String volumeUuid = args.volumeUuid; 15050 final File tmpPackageFile = new File(args.getCodePath()); 15051 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 15052 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 15053 || (args.volumeUuid != null)); 15054 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 15055 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 15056 boolean replace = false; 15057 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 15058 if (args.move != null) { 15059 // moving a complete application; perform an initial scan on the new install location 15060 scanFlags |= SCAN_INITIAL; 15061 } 15062 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 15063 scanFlags |= SCAN_DONT_KILL_APP; 15064 } 15065 15066 // Result object to be returned 15067 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15068 15069 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 15070 15071 // Sanity check 15072 if (ephemeral && (forwardLocked || onExternal)) { 15073 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 15074 + " external=" + onExternal); 15075 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 15076 return; 15077 } 15078 15079 // Retrieve PackageSettings and parse package 15080 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 15081 | PackageParser.PARSE_ENFORCE_CODE 15082 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 15083 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 15084 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 15085 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 15086 PackageParser pp = new PackageParser(); 15087 pp.setSeparateProcesses(mSeparateProcesses); 15088 pp.setDisplayMetrics(mMetrics); 15089 15090 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 15091 final PackageParser.Package pkg; 15092 try { 15093 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 15094 } catch (PackageParserException e) { 15095 res.setError("Failed parse during installPackageLI", e); 15096 return; 15097 } finally { 15098 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15099 } 15100 15101 // If we are installing a clustered package add results for the children 15102 if (pkg.childPackages != null) { 15103 synchronized (mPackages) { 15104 final int childCount = pkg.childPackages.size(); 15105 for (int i = 0; i < childCount; i++) { 15106 PackageParser.Package childPkg = pkg.childPackages.get(i); 15107 PackageInstalledInfo childRes = new PackageInstalledInfo(); 15108 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15109 childRes.pkg = childPkg; 15110 childRes.name = childPkg.packageName; 15111 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15112 if (childPs != null) { 15113 childRes.origUsers = childPs.queryInstalledUsers( 15114 sUserManager.getUserIds(), true); 15115 } 15116 if ((mPackages.containsKey(childPkg.packageName))) { 15117 childRes.removedInfo = new PackageRemovedInfo(); 15118 childRes.removedInfo.removedPackage = childPkg.packageName; 15119 } 15120 if (res.addedChildPackages == null) { 15121 res.addedChildPackages = new ArrayMap<>(); 15122 } 15123 res.addedChildPackages.put(childPkg.packageName, childRes); 15124 } 15125 } 15126 } 15127 15128 // If package doesn't declare API override, mark that we have an install 15129 // time CPU ABI override. 15130 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 15131 pkg.cpuAbiOverride = args.abiOverride; 15132 } 15133 15134 String pkgName = res.name = pkg.packageName; 15135 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15136 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15137 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15138 return; 15139 } 15140 } 15141 15142 try { 15143 // either use what we've been given or parse directly from the APK 15144 if (args.certificates != null) { 15145 try { 15146 PackageParser.populateCertificates(pkg, args.certificates); 15147 } catch (PackageParserException e) { 15148 // there was something wrong with the certificates we were given; 15149 // try to pull them from the APK 15150 PackageParser.collectCertificates(pkg, parseFlags); 15151 } 15152 } else { 15153 PackageParser.collectCertificates(pkg, parseFlags); 15154 } 15155 } catch (PackageParserException e) { 15156 res.setError("Failed collect during installPackageLI", e); 15157 return; 15158 } 15159 15160 // Get rid of all references to package scan path via parser. 15161 pp = null; 15162 String oldCodePath = null; 15163 boolean systemApp = false; 15164 synchronized (mPackages) { 15165 // Check if installing already existing package 15166 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15167 String oldName = mSettings.getRenamedPackageLPr(pkgName); 15168 if (pkg.mOriginalPackages != null 15169 && pkg.mOriginalPackages.contains(oldName) 15170 && mPackages.containsKey(oldName)) { 15171 // This package is derived from an original package, 15172 // and this device has been updating from that original 15173 // name. We must continue using the original name, so 15174 // rename the new package here. 15175 pkg.setPackageName(oldName); 15176 pkgName = pkg.packageName; 15177 replace = true; 15178 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15179 + oldName + " pkgName=" + pkgName); 15180 } else if (mPackages.containsKey(pkgName)) { 15181 // This package, under its official name, already exists 15182 // on the device; we should replace it. 15183 replace = true; 15184 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15185 } 15186 15187 // Child packages are installed through the parent package 15188 if (pkg.parentPackage != null) { 15189 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15190 "Package " + pkg.packageName + " is child of package " 15191 + pkg.parentPackage.parentPackage + ". Child packages " 15192 + "can be updated only through the parent package."); 15193 return; 15194 } 15195 15196 if (replace) { 15197 // Prevent apps opting out from runtime permissions 15198 PackageParser.Package oldPackage = mPackages.get(pkgName); 15199 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15200 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15201 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15202 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15203 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15204 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15205 + " doesn't support runtime permissions but the old" 15206 + " target SDK " + oldTargetSdk + " does."); 15207 return; 15208 } 15209 15210 // Prevent installing of child packages 15211 if (oldPackage.parentPackage != null) { 15212 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15213 "Package " + pkg.packageName + " is child of package " 15214 + oldPackage.parentPackage + ". Child packages " 15215 + "can be updated only through the parent package."); 15216 return; 15217 } 15218 } 15219 } 15220 15221 PackageSetting ps = mSettings.mPackages.get(pkgName); 15222 if (ps != null) { 15223 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15224 15225 // Quick sanity check that we're signed correctly if updating; 15226 // we'll check this again later when scanning, but we want to 15227 // bail early here before tripping over redefined permissions. 15228 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15229 if (!checkUpgradeKeySetLP(ps, pkg)) { 15230 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15231 + pkg.packageName + " upgrade keys do not match the " 15232 + "previously installed version"); 15233 return; 15234 } 15235 } else { 15236 try { 15237 verifySignaturesLP(ps, pkg); 15238 } catch (PackageManagerException e) { 15239 res.setError(e.error, e.getMessage()); 15240 return; 15241 } 15242 } 15243 15244 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15245 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15246 systemApp = (ps.pkg.applicationInfo.flags & 15247 ApplicationInfo.FLAG_SYSTEM) != 0; 15248 } 15249 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15250 } 15251 15252 // Check whether the newly-scanned package wants to define an already-defined perm 15253 int N = pkg.permissions.size(); 15254 for (int i = N-1; i >= 0; i--) { 15255 PackageParser.Permission perm = pkg.permissions.get(i); 15256 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15257 if (bp != null) { 15258 // If the defining package is signed with our cert, it's okay. This 15259 // also includes the "updating the same package" case, of course. 15260 // "updating same package" could also involve key-rotation. 15261 final boolean sigsOk; 15262 if (bp.sourcePackage.equals(pkg.packageName) 15263 && (bp.packageSetting instanceof PackageSetting) 15264 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15265 scanFlags))) { 15266 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15267 } else { 15268 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15269 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15270 } 15271 if (!sigsOk) { 15272 // If the owning package is the system itself, we log but allow 15273 // install to proceed; we fail the install on all other permission 15274 // redefinitions. 15275 if (!bp.sourcePackage.equals("android")) { 15276 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15277 + pkg.packageName + " attempting to redeclare permission " 15278 + perm.info.name + " already owned by " + bp.sourcePackage); 15279 res.origPermission = perm.info.name; 15280 res.origPackage = bp.sourcePackage; 15281 return; 15282 } else { 15283 Slog.w(TAG, "Package " + pkg.packageName 15284 + " attempting to redeclare system permission " 15285 + perm.info.name + "; ignoring new declaration"); 15286 pkg.permissions.remove(i); 15287 } 15288 } 15289 } 15290 } 15291 } 15292 15293 if (systemApp) { 15294 if (onExternal) { 15295 // Abort update; system app can't be replaced with app on sdcard 15296 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15297 "Cannot install updates to system apps on sdcard"); 15298 return; 15299 } else if (ephemeral) { 15300 // Abort update; system app can't be replaced with an ephemeral app 15301 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15302 "Cannot update a system app with an ephemeral app"); 15303 return; 15304 } 15305 } 15306 15307 if (args.move != null) { 15308 // We did an in-place move, so dex is ready to roll 15309 scanFlags |= SCAN_NO_DEX; 15310 scanFlags |= SCAN_MOVE; 15311 15312 synchronized (mPackages) { 15313 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15314 if (ps == null) { 15315 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15316 "Missing settings for moved package " + pkgName); 15317 } 15318 15319 // We moved the entire application as-is, so bring over the 15320 // previously derived ABI information. 15321 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15322 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15323 } 15324 15325 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15326 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15327 scanFlags |= SCAN_NO_DEX; 15328 15329 try { 15330 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15331 args.abiOverride : pkg.cpuAbiOverride); 15332 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15333 true /*extractLibs*/, mAppLib32InstallDir); 15334 } catch (PackageManagerException pme) { 15335 Slog.e(TAG, "Error deriving application ABI", pme); 15336 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15337 return; 15338 } 15339 15340 // Shared libraries for the package need to be updated. 15341 synchronized (mPackages) { 15342 try { 15343 updateSharedLibrariesLPr(pkg, null); 15344 } catch (PackageManagerException e) { 15345 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15346 } 15347 } 15348 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15349 // Do not run PackageDexOptimizer through the local performDexOpt 15350 // method because `pkg` may not be in `mPackages` yet. 15351 // 15352 // Also, don't fail application installs if the dexopt step fails. 15353 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15354 null /* instructionSets */, false /* checkProfiles */, 15355 getCompilerFilterForReason(REASON_INSTALL), 15356 getOrCreateCompilerPackageStats(pkg)); 15357 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15358 15359 // Notify BackgroundDexOptService that the package has been changed. 15360 // If this is an update of a package which used to fail to compile, 15361 // BDOS will remove it from its blacklist. 15362 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15363 } 15364 15365 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15366 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15367 return; 15368 } 15369 15370 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15371 15372 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15373 "installPackageLI")) { 15374 if (replace) { 15375 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15376 installerPackageName, res); 15377 } else { 15378 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15379 args.user, installerPackageName, volumeUuid, res); 15380 } 15381 } 15382 synchronized (mPackages) { 15383 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15384 if (ps != null) { 15385 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15386 } 15387 15388 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15389 for (int i = 0; i < childCount; i++) { 15390 PackageParser.Package childPkg = pkg.childPackages.get(i); 15391 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15392 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15393 if (childPs != null) { 15394 childRes.newUsers = childPs.queryInstalledUsers( 15395 sUserManager.getUserIds(), true); 15396 } 15397 } 15398 } 15399 } 15400 15401 private void startIntentFilterVerifications(int userId, boolean replacing, 15402 PackageParser.Package pkg) { 15403 if (mIntentFilterVerifierComponent == null) { 15404 Slog.w(TAG, "No IntentFilter verification will not be done as " 15405 + "there is no IntentFilterVerifier available!"); 15406 return; 15407 } 15408 15409 final int verifierUid = getPackageUid( 15410 mIntentFilterVerifierComponent.getPackageName(), 15411 MATCH_DEBUG_TRIAGED_MISSING, 15412 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15413 15414 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15415 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15416 mHandler.sendMessage(msg); 15417 15418 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15419 for (int i = 0; i < childCount; i++) { 15420 PackageParser.Package childPkg = pkg.childPackages.get(i); 15421 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15422 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15423 mHandler.sendMessage(msg); 15424 } 15425 } 15426 15427 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15428 PackageParser.Package pkg) { 15429 int size = pkg.activities.size(); 15430 if (size == 0) { 15431 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15432 "No activity, so no need to verify any IntentFilter!"); 15433 return; 15434 } 15435 15436 final boolean hasDomainURLs = hasDomainURLs(pkg); 15437 if (!hasDomainURLs) { 15438 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15439 "No domain URLs, so no need to verify any IntentFilter!"); 15440 return; 15441 } 15442 15443 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15444 + " if any IntentFilter from the " + size 15445 + " Activities needs verification ..."); 15446 15447 int count = 0; 15448 final String packageName = pkg.packageName; 15449 15450 synchronized (mPackages) { 15451 // If this is a new install and we see that we've already run verification for this 15452 // package, we have nothing to do: it means the state was restored from backup. 15453 if (!replacing) { 15454 IntentFilterVerificationInfo ivi = 15455 mSettings.getIntentFilterVerificationLPr(packageName); 15456 if (ivi != null) { 15457 if (DEBUG_DOMAIN_VERIFICATION) { 15458 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15459 + ivi.getStatusString()); 15460 } 15461 return; 15462 } 15463 } 15464 15465 // If any filters need to be verified, then all need to be. 15466 boolean needToVerify = false; 15467 for (PackageParser.Activity a : pkg.activities) { 15468 for (ActivityIntentInfo filter : a.intents) { 15469 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15470 if (DEBUG_DOMAIN_VERIFICATION) { 15471 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15472 } 15473 needToVerify = true; 15474 break; 15475 } 15476 } 15477 } 15478 15479 if (needToVerify) { 15480 final int verificationId = mIntentFilterVerificationToken++; 15481 for (PackageParser.Activity a : pkg.activities) { 15482 for (ActivityIntentInfo filter : a.intents) { 15483 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15484 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15485 "Verification needed for IntentFilter:" + filter.toString()); 15486 mIntentFilterVerifier.addOneIntentFilterVerification( 15487 verifierUid, userId, verificationId, filter, packageName); 15488 count++; 15489 } 15490 } 15491 } 15492 } 15493 } 15494 15495 if (count > 0) { 15496 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15497 + " IntentFilter verification" + (count > 1 ? "s" : "") 15498 + " for userId:" + userId); 15499 mIntentFilterVerifier.startVerifications(userId); 15500 } else { 15501 if (DEBUG_DOMAIN_VERIFICATION) { 15502 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15503 } 15504 } 15505 } 15506 15507 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15508 final ComponentName cn = filter.activity.getComponentName(); 15509 final String packageName = cn.getPackageName(); 15510 15511 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15512 packageName); 15513 if (ivi == null) { 15514 return true; 15515 } 15516 int status = ivi.getStatus(); 15517 switch (status) { 15518 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15519 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15520 return true; 15521 15522 default: 15523 // Nothing to do 15524 return false; 15525 } 15526 } 15527 15528 private static boolean isMultiArch(ApplicationInfo info) { 15529 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15530 } 15531 15532 private static boolean isExternal(PackageParser.Package pkg) { 15533 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15534 } 15535 15536 private static boolean isExternal(PackageSetting ps) { 15537 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15538 } 15539 15540 private static boolean isEphemeral(PackageParser.Package pkg) { 15541 return pkg.applicationInfo.isEphemeralApp(); 15542 } 15543 15544 private static boolean isEphemeral(PackageSetting ps) { 15545 return ps.pkg != null && isEphemeral(ps.pkg); 15546 } 15547 15548 private static boolean isSystemApp(PackageParser.Package pkg) { 15549 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15550 } 15551 15552 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15553 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15554 } 15555 15556 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15557 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15558 } 15559 15560 private static boolean isSystemApp(PackageSetting ps) { 15561 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15562 } 15563 15564 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15565 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15566 } 15567 15568 private int packageFlagsToInstallFlags(PackageSetting ps) { 15569 int installFlags = 0; 15570 if (isEphemeral(ps)) { 15571 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15572 } 15573 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15574 // This existing package was an external ASEC install when we have 15575 // the external flag without a UUID 15576 installFlags |= PackageManager.INSTALL_EXTERNAL; 15577 } 15578 if (ps.isForwardLocked()) { 15579 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15580 } 15581 return installFlags; 15582 } 15583 15584 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15585 if (isExternal(pkg)) { 15586 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15587 return StorageManager.UUID_PRIMARY_PHYSICAL; 15588 } else { 15589 return pkg.volumeUuid; 15590 } 15591 } else { 15592 return StorageManager.UUID_PRIVATE_INTERNAL; 15593 } 15594 } 15595 15596 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15597 if (isExternal(pkg)) { 15598 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15599 return mSettings.getExternalVersion(); 15600 } else { 15601 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15602 } 15603 } else { 15604 return mSettings.getInternalVersion(); 15605 } 15606 } 15607 15608 private void deleteTempPackageFiles() { 15609 final FilenameFilter filter = new FilenameFilter() { 15610 public boolean accept(File dir, String name) { 15611 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15612 } 15613 }; 15614 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15615 file.delete(); 15616 } 15617 } 15618 15619 @Override 15620 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15621 int flags) { 15622 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15623 flags); 15624 } 15625 15626 @Override 15627 public void deletePackage(final String packageName, 15628 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15629 mContext.enforceCallingOrSelfPermission( 15630 android.Manifest.permission.DELETE_PACKAGES, null); 15631 Preconditions.checkNotNull(packageName); 15632 Preconditions.checkNotNull(observer); 15633 final int uid = Binder.getCallingUid(); 15634 if (!isOrphaned(packageName) 15635 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 15636 try { 15637 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 15638 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 15639 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 15640 observer.onUserActionRequired(intent); 15641 } catch (RemoteException re) { 15642 } 15643 return; 15644 } 15645 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15646 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15647 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15648 mContext.enforceCallingOrSelfPermission( 15649 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15650 "deletePackage for user " + userId); 15651 } 15652 15653 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15654 try { 15655 observer.onPackageDeleted(packageName, 15656 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15657 } catch (RemoteException re) { 15658 } 15659 return; 15660 } 15661 15662 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15663 try { 15664 observer.onPackageDeleted(packageName, 15665 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15666 } catch (RemoteException re) { 15667 } 15668 return; 15669 } 15670 15671 if (DEBUG_REMOVE) { 15672 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15673 + " deleteAllUsers: " + deleteAllUsers ); 15674 } 15675 // Queue up an async operation since the package deletion may take a little while. 15676 mHandler.post(new Runnable() { 15677 public void run() { 15678 mHandler.removeCallbacks(this); 15679 int returnCode; 15680 if (!deleteAllUsers) { 15681 returnCode = deletePackageX(packageName, userId, deleteFlags); 15682 } else { 15683 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15684 // If nobody is blocking uninstall, proceed with delete for all users 15685 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15686 returnCode = deletePackageX(packageName, userId, deleteFlags); 15687 } else { 15688 // Otherwise uninstall individually for users with blockUninstalls=false 15689 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15690 for (int userId : users) { 15691 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15692 returnCode = deletePackageX(packageName, userId, userFlags); 15693 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15694 Slog.w(TAG, "Package delete failed for user " + userId 15695 + ", returnCode " + returnCode); 15696 } 15697 } 15698 } 15699 // The app has only been marked uninstalled for certain users. 15700 // We still need to report that delete was blocked 15701 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15702 } 15703 } 15704 try { 15705 observer.onPackageDeleted(packageName, returnCode, null); 15706 } catch (RemoteException e) { 15707 Log.i(TAG, "Observer no longer exists."); 15708 } //end catch 15709 } //end run 15710 }); 15711 } 15712 15713 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 15714 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 15715 || callingUid == Process.SYSTEM_UID) { 15716 return true; 15717 } 15718 final int callingUserId = UserHandle.getUserId(callingUid); 15719 // If the caller installed the pkgName, then allow it to silently uninstall. 15720 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 15721 return true; 15722 } 15723 15724 // Allow package verifier to silently uninstall. 15725 if (mRequiredVerifierPackage != null && 15726 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 15727 return true; 15728 } 15729 15730 // Allow package uninstaller to silently uninstall. 15731 if (mRequiredUninstallerPackage != null && 15732 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 15733 return true; 15734 } 15735 15736 // Allow storage manager to silently uninstall. 15737 if (mStorageManagerPackage != null && 15738 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 15739 return true; 15740 } 15741 return false; 15742 } 15743 15744 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15745 int[] result = EMPTY_INT_ARRAY; 15746 for (int userId : userIds) { 15747 if (getBlockUninstallForUser(packageName, userId)) { 15748 result = ArrayUtils.appendInt(result, userId); 15749 } 15750 } 15751 return result; 15752 } 15753 15754 @Override 15755 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15756 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15757 } 15758 15759 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15760 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15761 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15762 try { 15763 if (dpm != null) { 15764 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15765 /* callingUserOnly =*/ false); 15766 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15767 : deviceOwnerComponentName.getPackageName(); 15768 // Does the package contains the device owner? 15769 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15770 // this check is probably not needed, since DO should be registered as a device 15771 // admin on some user too. (Original bug for this: b/17657954) 15772 if (packageName.equals(deviceOwnerPackageName)) { 15773 return true; 15774 } 15775 // Does it contain a device admin for any user? 15776 int[] users; 15777 if (userId == UserHandle.USER_ALL) { 15778 users = sUserManager.getUserIds(); 15779 } else { 15780 users = new int[]{userId}; 15781 } 15782 for (int i = 0; i < users.length; ++i) { 15783 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15784 return true; 15785 } 15786 } 15787 } 15788 } catch (RemoteException e) { 15789 } 15790 return false; 15791 } 15792 15793 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15794 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15795 } 15796 15797 /** 15798 * This method is an internal method that could be get invoked either 15799 * to delete an installed package or to clean up a failed installation. 15800 * After deleting an installed package, a broadcast is sent to notify any 15801 * listeners that the package has been removed. For cleaning up a failed 15802 * installation, the broadcast is not necessary since the package's 15803 * installation wouldn't have sent the initial broadcast either 15804 * The key steps in deleting a package are 15805 * deleting the package information in internal structures like mPackages, 15806 * deleting the packages base directories through installd 15807 * updating mSettings to reflect current status 15808 * persisting settings for later use 15809 * sending a broadcast if necessary 15810 */ 15811 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15812 final PackageRemovedInfo info = new PackageRemovedInfo(); 15813 final boolean res; 15814 15815 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15816 ? UserHandle.USER_ALL : userId; 15817 15818 if (isPackageDeviceAdmin(packageName, removeUser)) { 15819 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15820 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15821 } 15822 15823 PackageSetting uninstalledPs = null; 15824 15825 // for the uninstall-updates case and restricted profiles, remember the per- 15826 // user handle installed state 15827 int[] allUsers; 15828 synchronized (mPackages) { 15829 uninstalledPs = mSettings.mPackages.get(packageName); 15830 if (uninstalledPs == null) { 15831 Slog.w(TAG, "Not removing non-existent package " + packageName); 15832 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15833 } 15834 allUsers = sUserManager.getUserIds(); 15835 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15836 } 15837 15838 final int freezeUser; 15839 if (isUpdatedSystemApp(uninstalledPs) 15840 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15841 // We're downgrading a system app, which will apply to all users, so 15842 // freeze them all during the downgrade 15843 freezeUser = UserHandle.USER_ALL; 15844 } else { 15845 freezeUser = removeUser; 15846 } 15847 15848 synchronized (mInstallLock) { 15849 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15850 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15851 deleteFlags, "deletePackageX")) { 15852 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15853 deleteFlags | REMOVE_CHATTY, info, true, null); 15854 } 15855 synchronized (mPackages) { 15856 if (res) { 15857 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15858 } 15859 } 15860 } 15861 15862 if (res) { 15863 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15864 info.sendPackageRemovedBroadcasts(killApp); 15865 info.sendSystemPackageUpdatedBroadcasts(); 15866 info.sendSystemPackageAppearedBroadcasts(); 15867 } 15868 // Force a gc here. 15869 Runtime.getRuntime().gc(); 15870 // Delete the resources here after sending the broadcast to let 15871 // other processes clean up before deleting resources. 15872 if (info.args != null) { 15873 synchronized (mInstallLock) { 15874 info.args.doPostDeleteLI(true); 15875 } 15876 } 15877 15878 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15879 } 15880 15881 class PackageRemovedInfo { 15882 String removedPackage; 15883 int uid = -1; 15884 int removedAppId = -1; 15885 int[] origUsers; 15886 int[] removedUsers = null; 15887 boolean isRemovedPackageSystemUpdate = false; 15888 boolean isUpdate; 15889 boolean dataRemoved; 15890 boolean removedForAllUsers; 15891 // Clean up resources deleted packages. 15892 InstallArgs args = null; 15893 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15894 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15895 15896 void sendPackageRemovedBroadcasts(boolean killApp) { 15897 sendPackageRemovedBroadcastInternal(killApp); 15898 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15899 for (int i = 0; i < childCount; i++) { 15900 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15901 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15902 } 15903 } 15904 15905 void sendSystemPackageUpdatedBroadcasts() { 15906 if (isRemovedPackageSystemUpdate) { 15907 sendSystemPackageUpdatedBroadcastsInternal(); 15908 final int childCount = (removedChildPackages != null) 15909 ? removedChildPackages.size() : 0; 15910 for (int i = 0; i < childCount; i++) { 15911 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15912 if (childInfo.isRemovedPackageSystemUpdate) { 15913 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15914 } 15915 } 15916 } 15917 } 15918 15919 void sendSystemPackageAppearedBroadcasts() { 15920 final int packageCount = (appearedChildPackages != null) 15921 ? appearedChildPackages.size() : 0; 15922 for (int i = 0; i < packageCount; i++) { 15923 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15924 for (int userId : installedInfo.newUsers) { 15925 sendPackageAddedForUser(installedInfo.name, true, 15926 UserHandle.getAppId(installedInfo.uid), userId); 15927 } 15928 } 15929 } 15930 15931 private void sendSystemPackageUpdatedBroadcastsInternal() { 15932 Bundle extras = new Bundle(2); 15933 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15934 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15935 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15936 extras, 0, null, null, null); 15937 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15938 extras, 0, null, null, null); 15939 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15940 null, 0, removedPackage, null, null); 15941 } 15942 15943 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15944 Bundle extras = new Bundle(2); 15945 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15946 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15947 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15948 if (isUpdate || isRemovedPackageSystemUpdate) { 15949 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15950 } 15951 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15952 if (removedPackage != null) { 15953 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15954 extras, 0, null, null, removedUsers); 15955 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15956 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15957 removedPackage, extras, 0, null, null, removedUsers); 15958 } 15959 } 15960 if (removedAppId >= 0) { 15961 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15962 removedUsers); 15963 } 15964 } 15965 } 15966 15967 /* 15968 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15969 * flag is not set, the data directory is removed as well. 15970 * make sure this flag is set for partially installed apps. If not its meaningless to 15971 * delete a partially installed application. 15972 */ 15973 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15974 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15975 String packageName = ps.name; 15976 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15977 // Retrieve object to delete permissions for shared user later on 15978 final PackageParser.Package deletedPkg; 15979 final PackageSetting deletedPs; 15980 // reader 15981 synchronized (mPackages) { 15982 deletedPkg = mPackages.get(packageName); 15983 deletedPs = mSettings.mPackages.get(packageName); 15984 if (outInfo != null) { 15985 outInfo.removedPackage = packageName; 15986 outInfo.removedUsers = deletedPs != null 15987 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15988 : null; 15989 } 15990 } 15991 15992 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15993 15994 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15995 final PackageParser.Package resolvedPkg; 15996 if (deletedPkg != null) { 15997 resolvedPkg = deletedPkg; 15998 } else { 15999 // We don't have a parsed package when it lives on an ejected 16000 // adopted storage device, so fake something together 16001 resolvedPkg = new PackageParser.Package(ps.name); 16002 resolvedPkg.setVolumeUuid(ps.volumeUuid); 16003 } 16004 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 16005 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16006 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 16007 if (outInfo != null) { 16008 outInfo.dataRemoved = true; 16009 } 16010 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 16011 } 16012 16013 // writer 16014 synchronized (mPackages) { 16015 if (deletedPs != null) { 16016 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 16017 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 16018 clearDefaultBrowserIfNeeded(packageName); 16019 if (outInfo != null) { 16020 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 16021 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 16022 } 16023 updatePermissionsLPw(deletedPs.name, null, 0); 16024 if (deletedPs.sharedUser != null) { 16025 // Remove permissions associated with package. Since runtime 16026 // permissions are per user we have to kill the removed package 16027 // or packages running under the shared user of the removed 16028 // package if revoking the permissions requested only by the removed 16029 // package is successful and this causes a change in gids. 16030 for (int userId : UserManagerService.getInstance().getUserIds()) { 16031 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 16032 userId); 16033 if (userIdToKill == UserHandle.USER_ALL 16034 || userIdToKill >= UserHandle.USER_SYSTEM) { 16035 // If gids changed for this user, kill all affected packages. 16036 mHandler.post(new Runnable() { 16037 @Override 16038 public void run() { 16039 // This has to happen with no lock held. 16040 killApplication(deletedPs.name, deletedPs.appId, 16041 KILL_APP_REASON_GIDS_CHANGED); 16042 } 16043 }); 16044 break; 16045 } 16046 } 16047 } 16048 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 16049 } 16050 // make sure to preserve per-user disabled state if this removal was just 16051 // a downgrade of a system app to the factory package 16052 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 16053 if (DEBUG_REMOVE) { 16054 Slog.d(TAG, "Propagating install state across downgrade"); 16055 } 16056 for (int userId : allUserHandles) { 16057 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16058 if (DEBUG_REMOVE) { 16059 Slog.d(TAG, " user " + userId + " => " + installed); 16060 } 16061 ps.setInstalled(installed, userId); 16062 } 16063 } 16064 } 16065 // can downgrade to reader 16066 if (writeSettings) { 16067 // Save settings now 16068 mSettings.writeLPr(); 16069 } 16070 } 16071 if (outInfo != null) { 16072 // A user ID was deleted here. Go through all users and remove it 16073 // from KeyStore. 16074 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 16075 } 16076 } 16077 16078 static boolean locationIsPrivileged(File path) { 16079 try { 16080 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 16081 .getCanonicalPath(); 16082 return path.getCanonicalPath().startsWith(privilegedAppDir); 16083 } catch (IOException e) { 16084 Slog.e(TAG, "Unable to access code path " + path); 16085 } 16086 return false; 16087 } 16088 16089 /* 16090 * Tries to delete system package. 16091 */ 16092 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 16093 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 16094 boolean writeSettings) { 16095 if (deletedPs.parentPackageName != null) { 16096 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 16097 return false; 16098 } 16099 16100 final boolean applyUserRestrictions 16101 = (allUserHandles != null) && (outInfo.origUsers != null); 16102 final PackageSetting disabledPs; 16103 // Confirm if the system package has been updated 16104 // An updated system app can be deleted. This will also have to restore 16105 // the system pkg from system partition 16106 // reader 16107 synchronized (mPackages) { 16108 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 16109 } 16110 16111 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 16112 + " disabledPs=" + disabledPs); 16113 16114 if (disabledPs == null) { 16115 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 16116 return false; 16117 } else if (DEBUG_REMOVE) { 16118 Slog.d(TAG, "Deleting system pkg from data partition"); 16119 } 16120 16121 if (DEBUG_REMOVE) { 16122 if (applyUserRestrictions) { 16123 Slog.d(TAG, "Remembering install states:"); 16124 for (int userId : allUserHandles) { 16125 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 16126 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 16127 } 16128 } 16129 } 16130 16131 // Delete the updated package 16132 outInfo.isRemovedPackageSystemUpdate = true; 16133 if (outInfo.removedChildPackages != null) { 16134 final int childCount = (deletedPs.childPackageNames != null) 16135 ? deletedPs.childPackageNames.size() : 0; 16136 for (int i = 0; i < childCount; i++) { 16137 String childPackageName = deletedPs.childPackageNames.get(i); 16138 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 16139 .contains(childPackageName)) { 16140 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16141 childPackageName); 16142 if (childInfo != null) { 16143 childInfo.isRemovedPackageSystemUpdate = true; 16144 } 16145 } 16146 } 16147 } 16148 16149 if (disabledPs.versionCode < deletedPs.versionCode) { 16150 // Delete data for downgrades 16151 flags &= ~PackageManager.DELETE_KEEP_DATA; 16152 } else { 16153 // Preserve data by setting flag 16154 flags |= PackageManager.DELETE_KEEP_DATA; 16155 } 16156 16157 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 16158 outInfo, writeSettings, disabledPs.pkg); 16159 if (!ret) { 16160 return false; 16161 } 16162 16163 // writer 16164 synchronized (mPackages) { 16165 // Reinstate the old system package 16166 enableSystemPackageLPw(disabledPs.pkg); 16167 // Remove any native libraries from the upgraded package. 16168 removeNativeBinariesLI(deletedPs); 16169 } 16170 16171 // Install the system package 16172 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 16173 int parseFlags = mDefParseFlags 16174 | PackageParser.PARSE_MUST_BE_APK 16175 | PackageParser.PARSE_IS_SYSTEM 16176 | PackageParser.PARSE_IS_SYSTEM_DIR; 16177 if (locationIsPrivileged(disabledPs.codePath)) { 16178 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16179 } 16180 16181 final PackageParser.Package newPkg; 16182 try { 16183 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 16184 } catch (PackageManagerException e) { 16185 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16186 + e.getMessage()); 16187 return false; 16188 } 16189 try { 16190 // update shared libraries for the newly re-installed system package 16191 updateSharedLibrariesLPr(newPkg, null); 16192 } catch (PackageManagerException e) { 16193 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16194 } 16195 16196 prepareAppDataAfterInstallLIF(newPkg); 16197 16198 // writer 16199 synchronized (mPackages) { 16200 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16201 16202 // Propagate the permissions state as we do not want to drop on the floor 16203 // runtime permissions. The update permissions method below will take 16204 // care of removing obsolete permissions and grant install permissions. 16205 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16206 updatePermissionsLPw(newPkg.packageName, newPkg, 16207 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16208 16209 if (applyUserRestrictions) { 16210 if (DEBUG_REMOVE) { 16211 Slog.d(TAG, "Propagating install state across reinstall"); 16212 } 16213 for (int userId : allUserHandles) { 16214 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16215 if (DEBUG_REMOVE) { 16216 Slog.d(TAG, " user " + userId + " => " + installed); 16217 } 16218 ps.setInstalled(installed, userId); 16219 16220 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16221 } 16222 // Regardless of writeSettings we need to ensure that this restriction 16223 // state propagation is persisted 16224 mSettings.writeAllUsersPackageRestrictionsLPr(); 16225 } 16226 // can downgrade to reader here 16227 if (writeSettings) { 16228 mSettings.writeLPr(); 16229 } 16230 } 16231 return true; 16232 } 16233 16234 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16235 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16236 PackageRemovedInfo outInfo, boolean writeSettings, 16237 PackageParser.Package replacingPackage) { 16238 synchronized (mPackages) { 16239 if (outInfo != null) { 16240 outInfo.uid = ps.appId; 16241 } 16242 16243 if (outInfo != null && outInfo.removedChildPackages != null) { 16244 final int childCount = (ps.childPackageNames != null) 16245 ? ps.childPackageNames.size() : 0; 16246 for (int i = 0; i < childCount; i++) { 16247 String childPackageName = ps.childPackageNames.get(i); 16248 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16249 if (childPs == null) { 16250 return false; 16251 } 16252 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16253 childPackageName); 16254 if (childInfo != null) { 16255 childInfo.uid = childPs.appId; 16256 } 16257 } 16258 } 16259 } 16260 16261 // Delete package data from internal structures and also remove data if flag is set 16262 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16263 16264 // Delete the child packages data 16265 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16266 for (int i = 0; i < childCount; i++) { 16267 PackageSetting childPs; 16268 synchronized (mPackages) { 16269 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16270 } 16271 if (childPs != null) { 16272 PackageRemovedInfo childOutInfo = (outInfo != null 16273 && outInfo.removedChildPackages != null) 16274 ? outInfo.removedChildPackages.get(childPs.name) : null; 16275 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16276 && (replacingPackage != null 16277 && !replacingPackage.hasChildPackage(childPs.name)) 16278 ? flags & ~DELETE_KEEP_DATA : flags; 16279 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16280 deleteFlags, writeSettings); 16281 } 16282 } 16283 16284 // Delete application code and resources only for parent packages 16285 if (ps.parentPackageName == null) { 16286 if (deleteCodeAndResources && (outInfo != null)) { 16287 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16288 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16289 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16290 } 16291 } 16292 16293 return true; 16294 } 16295 16296 @Override 16297 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16298 int userId) { 16299 mContext.enforceCallingOrSelfPermission( 16300 android.Manifest.permission.DELETE_PACKAGES, null); 16301 synchronized (mPackages) { 16302 PackageSetting ps = mSettings.mPackages.get(packageName); 16303 if (ps == null) { 16304 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16305 return false; 16306 } 16307 if (!ps.getInstalled(userId)) { 16308 // Can't block uninstall for an app that is not installed or enabled. 16309 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16310 return false; 16311 } 16312 ps.setBlockUninstall(blockUninstall, userId); 16313 mSettings.writePackageRestrictionsLPr(userId); 16314 } 16315 return true; 16316 } 16317 16318 @Override 16319 public boolean getBlockUninstallForUser(String packageName, int userId) { 16320 synchronized (mPackages) { 16321 PackageSetting ps = mSettings.mPackages.get(packageName); 16322 if (ps == null) { 16323 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16324 return false; 16325 } 16326 return ps.getBlockUninstall(userId); 16327 } 16328 } 16329 16330 @Override 16331 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16332 int callingUid = Binder.getCallingUid(); 16333 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16334 throw new SecurityException( 16335 "setRequiredForSystemUser can only be run by the system or root"); 16336 } 16337 synchronized (mPackages) { 16338 PackageSetting ps = mSettings.mPackages.get(packageName); 16339 if (ps == null) { 16340 Log.w(TAG, "Package doesn't exist: " + packageName); 16341 return false; 16342 } 16343 if (systemUserApp) { 16344 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16345 } else { 16346 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16347 } 16348 mSettings.writeLPr(); 16349 } 16350 return true; 16351 } 16352 16353 /* 16354 * This method handles package deletion in general 16355 */ 16356 private boolean deletePackageLIF(String packageName, UserHandle user, 16357 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16358 PackageRemovedInfo outInfo, boolean writeSettings, 16359 PackageParser.Package replacingPackage) { 16360 if (packageName == null) { 16361 Slog.w(TAG, "Attempt to delete null packageName."); 16362 return false; 16363 } 16364 16365 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16366 16367 PackageSetting ps; 16368 16369 synchronized (mPackages) { 16370 ps = mSettings.mPackages.get(packageName); 16371 if (ps == null) { 16372 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16373 return false; 16374 } 16375 16376 if (ps.parentPackageName != null && (!isSystemApp(ps) 16377 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16378 if (DEBUG_REMOVE) { 16379 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16380 + ((user == null) ? UserHandle.USER_ALL : user)); 16381 } 16382 final int removedUserId = (user != null) ? user.getIdentifier() 16383 : UserHandle.USER_ALL; 16384 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16385 return false; 16386 } 16387 markPackageUninstalledForUserLPw(ps, user); 16388 scheduleWritePackageRestrictionsLocked(user); 16389 return true; 16390 } 16391 } 16392 16393 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16394 && user.getIdentifier() != UserHandle.USER_ALL)) { 16395 // The caller is asking that the package only be deleted for a single 16396 // user. To do this, we just mark its uninstalled state and delete 16397 // its data. If this is a system app, we only allow this to happen if 16398 // they have set the special DELETE_SYSTEM_APP which requests different 16399 // semantics than normal for uninstalling system apps. 16400 markPackageUninstalledForUserLPw(ps, user); 16401 16402 if (!isSystemApp(ps)) { 16403 // Do not uninstall the APK if an app should be cached 16404 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16405 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16406 // Other user still have this package installed, so all 16407 // we need to do is clear this user's data and save that 16408 // it is uninstalled. 16409 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16410 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16411 return false; 16412 } 16413 scheduleWritePackageRestrictionsLocked(user); 16414 return true; 16415 } else { 16416 // We need to set it back to 'installed' so the uninstall 16417 // broadcasts will be sent correctly. 16418 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16419 ps.setInstalled(true, user.getIdentifier()); 16420 } 16421 } else { 16422 // This is a system app, so we assume that the 16423 // other users still have this package installed, so all 16424 // we need to do is clear this user's data and save that 16425 // it is uninstalled. 16426 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16427 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16428 return false; 16429 } 16430 scheduleWritePackageRestrictionsLocked(user); 16431 return true; 16432 } 16433 } 16434 16435 // If we are deleting a composite package for all users, keep track 16436 // of result for each child. 16437 if (ps.childPackageNames != null && outInfo != null) { 16438 synchronized (mPackages) { 16439 final int childCount = ps.childPackageNames.size(); 16440 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16441 for (int i = 0; i < childCount; i++) { 16442 String childPackageName = ps.childPackageNames.get(i); 16443 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16444 childInfo.removedPackage = childPackageName; 16445 outInfo.removedChildPackages.put(childPackageName, childInfo); 16446 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16447 if (childPs != null) { 16448 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16449 } 16450 } 16451 } 16452 } 16453 16454 boolean ret = false; 16455 if (isSystemApp(ps)) { 16456 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16457 // When an updated system application is deleted we delete the existing resources 16458 // as well and fall back to existing code in system partition 16459 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16460 } else { 16461 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16462 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16463 outInfo, writeSettings, replacingPackage); 16464 } 16465 16466 // Take a note whether we deleted the package for all users 16467 if (outInfo != null) { 16468 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16469 if (outInfo.removedChildPackages != null) { 16470 synchronized (mPackages) { 16471 final int childCount = outInfo.removedChildPackages.size(); 16472 for (int i = 0; i < childCount; i++) { 16473 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16474 if (childInfo != null) { 16475 childInfo.removedForAllUsers = mPackages.get( 16476 childInfo.removedPackage) == null; 16477 } 16478 } 16479 } 16480 } 16481 // If we uninstalled an update to a system app there may be some 16482 // child packages that appeared as they are declared in the system 16483 // app but were not declared in the update. 16484 if (isSystemApp(ps)) { 16485 synchronized (mPackages) { 16486 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16487 final int childCount = (updatedPs.childPackageNames != null) 16488 ? updatedPs.childPackageNames.size() : 0; 16489 for (int i = 0; i < childCount; i++) { 16490 String childPackageName = updatedPs.childPackageNames.get(i); 16491 if (outInfo.removedChildPackages == null 16492 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16493 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16494 if (childPs == null) { 16495 continue; 16496 } 16497 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16498 installRes.name = childPackageName; 16499 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16500 installRes.pkg = mPackages.get(childPackageName); 16501 installRes.uid = childPs.pkg.applicationInfo.uid; 16502 if (outInfo.appearedChildPackages == null) { 16503 outInfo.appearedChildPackages = new ArrayMap<>(); 16504 } 16505 outInfo.appearedChildPackages.put(childPackageName, installRes); 16506 } 16507 } 16508 } 16509 } 16510 } 16511 16512 return ret; 16513 } 16514 16515 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16516 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16517 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16518 for (int nextUserId : userIds) { 16519 if (DEBUG_REMOVE) { 16520 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16521 } 16522 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16523 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16524 false /*hidden*/, false /*suspended*/, null, null, null, 16525 false /*blockUninstall*/, 16526 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16527 } 16528 } 16529 16530 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16531 PackageRemovedInfo outInfo) { 16532 final PackageParser.Package pkg; 16533 synchronized (mPackages) { 16534 pkg = mPackages.get(ps.name); 16535 } 16536 16537 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16538 : new int[] {userId}; 16539 for (int nextUserId : userIds) { 16540 if (DEBUG_REMOVE) { 16541 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16542 + nextUserId); 16543 } 16544 16545 destroyAppDataLIF(pkg, userId, 16546 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16547 destroyAppProfilesLIF(pkg, userId); 16548 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16549 schedulePackageCleaning(ps.name, nextUserId, false); 16550 synchronized (mPackages) { 16551 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16552 scheduleWritePackageRestrictionsLocked(nextUserId); 16553 } 16554 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16555 } 16556 } 16557 16558 if (outInfo != null) { 16559 outInfo.removedPackage = ps.name; 16560 outInfo.removedAppId = ps.appId; 16561 outInfo.removedUsers = userIds; 16562 } 16563 16564 return true; 16565 } 16566 16567 private final class ClearStorageConnection implements ServiceConnection { 16568 IMediaContainerService mContainerService; 16569 16570 @Override 16571 public void onServiceConnected(ComponentName name, IBinder service) { 16572 synchronized (this) { 16573 mContainerService = IMediaContainerService.Stub.asInterface(service); 16574 notifyAll(); 16575 } 16576 } 16577 16578 @Override 16579 public void onServiceDisconnected(ComponentName name) { 16580 } 16581 } 16582 16583 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16584 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16585 16586 final boolean mounted; 16587 if (Environment.isExternalStorageEmulated()) { 16588 mounted = true; 16589 } else { 16590 final String status = Environment.getExternalStorageState(); 16591 16592 mounted = status.equals(Environment.MEDIA_MOUNTED) 16593 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16594 } 16595 16596 if (!mounted) { 16597 return; 16598 } 16599 16600 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16601 int[] users; 16602 if (userId == UserHandle.USER_ALL) { 16603 users = sUserManager.getUserIds(); 16604 } else { 16605 users = new int[] { userId }; 16606 } 16607 final ClearStorageConnection conn = new ClearStorageConnection(); 16608 if (mContext.bindServiceAsUser( 16609 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16610 try { 16611 for (int curUser : users) { 16612 long timeout = SystemClock.uptimeMillis() + 5000; 16613 synchronized (conn) { 16614 long now; 16615 while (conn.mContainerService == null && 16616 (now = SystemClock.uptimeMillis()) < timeout) { 16617 try { 16618 conn.wait(timeout - now); 16619 } catch (InterruptedException e) { 16620 } 16621 } 16622 } 16623 if (conn.mContainerService == null) { 16624 return; 16625 } 16626 16627 final UserEnvironment userEnv = new UserEnvironment(curUser); 16628 clearDirectory(conn.mContainerService, 16629 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16630 if (allData) { 16631 clearDirectory(conn.mContainerService, 16632 userEnv.buildExternalStorageAppDataDirs(packageName)); 16633 clearDirectory(conn.mContainerService, 16634 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16635 } 16636 } 16637 } finally { 16638 mContext.unbindService(conn); 16639 } 16640 } 16641 } 16642 16643 @Override 16644 public void clearApplicationProfileData(String packageName) { 16645 enforceSystemOrRoot("Only the system can clear all profile data"); 16646 16647 final PackageParser.Package pkg; 16648 synchronized (mPackages) { 16649 pkg = mPackages.get(packageName); 16650 } 16651 16652 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16653 synchronized (mInstallLock) { 16654 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16655 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16656 true /* removeBaseMarker */); 16657 } 16658 } 16659 } 16660 16661 @Override 16662 public void clearApplicationUserData(final String packageName, 16663 final IPackageDataObserver observer, final int userId) { 16664 mContext.enforceCallingOrSelfPermission( 16665 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16666 16667 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16668 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16669 16670 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16671 throw new SecurityException("Cannot clear data for a protected package: " 16672 + packageName); 16673 } 16674 // Queue up an async operation since the package deletion may take a little while. 16675 mHandler.post(new Runnable() { 16676 public void run() { 16677 mHandler.removeCallbacks(this); 16678 final boolean succeeded; 16679 try (PackageFreezer freezer = freezePackage(packageName, 16680 "clearApplicationUserData")) { 16681 synchronized (mInstallLock) { 16682 succeeded = clearApplicationUserDataLIF(packageName, userId); 16683 } 16684 clearExternalStorageDataSync(packageName, userId, true); 16685 } 16686 if (succeeded) { 16687 // invoke DeviceStorageMonitor's update method to clear any notifications 16688 DeviceStorageMonitorInternal dsm = LocalServices 16689 .getService(DeviceStorageMonitorInternal.class); 16690 if (dsm != null) { 16691 dsm.checkMemory(); 16692 } 16693 } 16694 if(observer != null) { 16695 try { 16696 observer.onRemoveCompleted(packageName, succeeded); 16697 } catch (RemoteException e) { 16698 Log.i(TAG, "Observer no longer exists."); 16699 } 16700 } //end if observer 16701 } //end run 16702 }); 16703 } 16704 16705 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16706 if (packageName == null) { 16707 Slog.w(TAG, "Attempt to delete null packageName."); 16708 return false; 16709 } 16710 16711 // Try finding details about the requested package 16712 PackageParser.Package pkg; 16713 synchronized (mPackages) { 16714 pkg = mPackages.get(packageName); 16715 if (pkg == null) { 16716 final PackageSetting ps = mSettings.mPackages.get(packageName); 16717 if (ps != null) { 16718 pkg = ps.pkg; 16719 } 16720 } 16721 16722 if (pkg == null) { 16723 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16724 return false; 16725 } 16726 16727 PackageSetting ps = (PackageSetting) pkg.mExtras; 16728 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16729 } 16730 16731 clearAppDataLIF(pkg, userId, 16732 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16733 16734 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16735 removeKeystoreDataIfNeeded(userId, appId); 16736 16737 UserManagerInternal umInternal = getUserManagerInternal(); 16738 final int flags; 16739 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16740 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16741 } else if (umInternal.isUserRunning(userId)) { 16742 flags = StorageManager.FLAG_STORAGE_DE; 16743 } else { 16744 flags = 0; 16745 } 16746 prepareAppDataContentsLIF(pkg, userId, flags); 16747 16748 return true; 16749 } 16750 16751 /** 16752 * Reverts user permission state changes (permissions and flags) in 16753 * all packages for a given user. 16754 * 16755 * @param userId The device user for which to do a reset. 16756 */ 16757 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16758 final int packageCount = mPackages.size(); 16759 for (int i = 0; i < packageCount; i++) { 16760 PackageParser.Package pkg = mPackages.valueAt(i); 16761 PackageSetting ps = (PackageSetting) pkg.mExtras; 16762 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16763 } 16764 } 16765 16766 private void resetNetworkPolicies(int userId) { 16767 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16768 } 16769 16770 /** 16771 * Reverts user permission state changes (permissions and flags). 16772 * 16773 * @param ps The package for which to reset. 16774 * @param userId The device user for which to do a reset. 16775 */ 16776 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16777 final PackageSetting ps, final int userId) { 16778 if (ps.pkg == null) { 16779 return; 16780 } 16781 16782 // These are flags that can change base on user actions. 16783 final int userSettableMask = FLAG_PERMISSION_USER_SET 16784 | FLAG_PERMISSION_USER_FIXED 16785 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16786 | FLAG_PERMISSION_REVIEW_REQUIRED; 16787 16788 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16789 | FLAG_PERMISSION_POLICY_FIXED; 16790 16791 boolean writeInstallPermissions = false; 16792 boolean writeRuntimePermissions = false; 16793 16794 final int permissionCount = ps.pkg.requestedPermissions.size(); 16795 for (int i = 0; i < permissionCount; i++) { 16796 String permission = ps.pkg.requestedPermissions.get(i); 16797 16798 BasePermission bp = mSettings.mPermissions.get(permission); 16799 if (bp == null) { 16800 continue; 16801 } 16802 16803 // If shared user we just reset the state to which only this app contributed. 16804 if (ps.sharedUser != null) { 16805 boolean used = false; 16806 final int packageCount = ps.sharedUser.packages.size(); 16807 for (int j = 0; j < packageCount; j++) { 16808 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16809 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16810 && pkg.pkg.requestedPermissions.contains(permission)) { 16811 used = true; 16812 break; 16813 } 16814 } 16815 if (used) { 16816 continue; 16817 } 16818 } 16819 16820 PermissionsState permissionsState = ps.getPermissionsState(); 16821 16822 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16823 16824 // Always clear the user settable flags. 16825 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16826 bp.name) != null; 16827 // If permission review is enabled and this is a legacy app, mark the 16828 // permission as requiring a review as this is the initial state. 16829 int flags = 0; 16830 if (mPermissionReviewRequired 16831 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16832 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16833 } 16834 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16835 if (hasInstallState) { 16836 writeInstallPermissions = true; 16837 } else { 16838 writeRuntimePermissions = true; 16839 } 16840 } 16841 16842 // Below is only runtime permission handling. 16843 if (!bp.isRuntime()) { 16844 continue; 16845 } 16846 16847 // Never clobber system or policy. 16848 if ((oldFlags & policyOrSystemFlags) != 0) { 16849 continue; 16850 } 16851 16852 // If this permission was granted by default, make sure it is. 16853 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16854 if (permissionsState.grantRuntimePermission(bp, userId) 16855 != PERMISSION_OPERATION_FAILURE) { 16856 writeRuntimePermissions = true; 16857 } 16858 // If permission review is enabled the permissions for a legacy apps 16859 // are represented as constantly granted runtime ones, so don't revoke. 16860 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16861 // Otherwise, reset the permission. 16862 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16863 switch (revokeResult) { 16864 case PERMISSION_OPERATION_SUCCESS: 16865 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16866 writeRuntimePermissions = true; 16867 final int appId = ps.appId; 16868 mHandler.post(new Runnable() { 16869 @Override 16870 public void run() { 16871 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16872 } 16873 }); 16874 } break; 16875 } 16876 } 16877 } 16878 16879 // Synchronously write as we are taking permissions away. 16880 if (writeRuntimePermissions) { 16881 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16882 } 16883 16884 // Synchronously write as we are taking permissions away. 16885 if (writeInstallPermissions) { 16886 mSettings.writeLPr(); 16887 } 16888 } 16889 16890 /** 16891 * Remove entries from the keystore daemon. Will only remove it if the 16892 * {@code appId} is valid. 16893 */ 16894 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16895 if (appId < 0) { 16896 return; 16897 } 16898 16899 final KeyStore keyStore = KeyStore.getInstance(); 16900 if (keyStore != null) { 16901 if (userId == UserHandle.USER_ALL) { 16902 for (final int individual : sUserManager.getUserIds()) { 16903 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16904 } 16905 } else { 16906 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16907 } 16908 } else { 16909 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16910 } 16911 } 16912 16913 @Override 16914 public void deleteApplicationCacheFiles(final String packageName, 16915 final IPackageDataObserver observer) { 16916 final int userId = UserHandle.getCallingUserId(); 16917 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16918 } 16919 16920 @Override 16921 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16922 final IPackageDataObserver observer) { 16923 mContext.enforceCallingOrSelfPermission( 16924 android.Manifest.permission.DELETE_CACHE_FILES, null); 16925 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16926 /* requireFullPermission= */ true, /* checkShell= */ false, 16927 "delete application cache files"); 16928 16929 final PackageParser.Package pkg; 16930 synchronized (mPackages) { 16931 pkg = mPackages.get(packageName); 16932 } 16933 16934 // Queue up an async operation since the package deletion may take a little while. 16935 mHandler.post(new Runnable() { 16936 public void run() { 16937 synchronized (mInstallLock) { 16938 final int flags = StorageManager.FLAG_STORAGE_DE 16939 | StorageManager.FLAG_STORAGE_CE; 16940 // We're only clearing cache files, so we don't care if the 16941 // app is unfrozen and still able to run 16942 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16943 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16944 } 16945 clearExternalStorageDataSync(packageName, userId, false); 16946 if (observer != null) { 16947 try { 16948 observer.onRemoveCompleted(packageName, true); 16949 } catch (RemoteException e) { 16950 Log.i(TAG, "Observer no longer exists."); 16951 } 16952 } 16953 } 16954 }); 16955 } 16956 16957 @Override 16958 public void getPackageSizeInfo(final String packageName, int userHandle, 16959 final IPackageStatsObserver observer) { 16960 mContext.enforceCallingOrSelfPermission( 16961 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16962 if (packageName == null) { 16963 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16964 } 16965 16966 PackageStats stats = new PackageStats(packageName, userHandle); 16967 16968 /* 16969 * Queue up an async operation since the package measurement may take a 16970 * little while. 16971 */ 16972 Message msg = mHandler.obtainMessage(INIT_COPY); 16973 msg.obj = new MeasureParams(stats, observer); 16974 mHandler.sendMessage(msg); 16975 } 16976 16977 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16978 final PackageSetting ps; 16979 synchronized (mPackages) { 16980 ps = mSettings.mPackages.get(packageName); 16981 if (ps == null) { 16982 Slog.w(TAG, "Failed to find settings for " + packageName); 16983 return false; 16984 } 16985 } 16986 try { 16987 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16988 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16989 ps.getCeDataInode(userId), ps.codePathString, stats); 16990 } catch (InstallerException e) { 16991 Slog.w(TAG, String.valueOf(e)); 16992 return false; 16993 } 16994 16995 // For now, ignore code size of packages on system partition 16996 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16997 stats.codeSize = 0; 16998 } 16999 17000 return true; 17001 } 17002 17003 private int getUidTargetSdkVersionLockedLPr(int uid) { 17004 Object obj = mSettings.getUserIdLPr(uid); 17005 if (obj instanceof SharedUserSetting) { 17006 final SharedUserSetting sus = (SharedUserSetting) obj; 17007 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 17008 final Iterator<PackageSetting> it = sus.packages.iterator(); 17009 while (it.hasNext()) { 17010 final PackageSetting ps = it.next(); 17011 if (ps.pkg != null) { 17012 int v = ps.pkg.applicationInfo.targetSdkVersion; 17013 if (v < vers) vers = v; 17014 } 17015 } 17016 return vers; 17017 } else if (obj instanceof PackageSetting) { 17018 final PackageSetting ps = (PackageSetting) obj; 17019 if (ps.pkg != null) { 17020 return ps.pkg.applicationInfo.targetSdkVersion; 17021 } 17022 } 17023 return Build.VERSION_CODES.CUR_DEVELOPMENT; 17024 } 17025 17026 @Override 17027 public void addPreferredActivity(IntentFilter filter, int match, 17028 ComponentName[] set, ComponentName activity, int userId) { 17029 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17030 "Adding preferred"); 17031 } 17032 17033 private void addPreferredActivityInternal(IntentFilter filter, int match, 17034 ComponentName[] set, ComponentName activity, boolean always, int userId, 17035 String opname) { 17036 // writer 17037 int callingUid = Binder.getCallingUid(); 17038 enforceCrossUserPermission(callingUid, userId, 17039 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 17040 if (filter.countActions() == 0) { 17041 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17042 return; 17043 } 17044 synchronized (mPackages) { 17045 if (mContext.checkCallingOrSelfPermission( 17046 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17047 != PackageManager.PERMISSION_GRANTED) { 17048 if (getUidTargetSdkVersionLockedLPr(callingUid) 17049 < Build.VERSION_CODES.FROYO) { 17050 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 17051 + callingUid); 17052 return; 17053 } 17054 mContext.enforceCallingOrSelfPermission( 17055 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17056 } 17057 17058 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 17059 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 17060 + userId + ":"); 17061 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17062 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 17063 scheduleWritePackageRestrictionsLocked(userId); 17064 postPreferredActivityChangedBroadcast(userId); 17065 } 17066 } 17067 17068 private void postPreferredActivityChangedBroadcast(int userId) { 17069 mHandler.post(() -> { 17070 final IActivityManager am = ActivityManagerNative.getDefault(); 17071 if (am == null) { 17072 return; 17073 } 17074 17075 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 17076 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 17077 try { 17078 am.broadcastIntent(null, intent, null, null, 17079 0, null, null, null, android.app.AppOpsManager.OP_NONE, 17080 null, false, false, userId); 17081 } catch (RemoteException e) { 17082 } 17083 }); 17084 } 17085 17086 @Override 17087 public void replacePreferredActivity(IntentFilter filter, int match, 17088 ComponentName[] set, ComponentName activity, int userId) { 17089 if (filter.countActions() != 1) { 17090 throw new IllegalArgumentException( 17091 "replacePreferredActivity expects filter to have only 1 action."); 17092 } 17093 if (filter.countDataAuthorities() != 0 17094 || filter.countDataPaths() != 0 17095 || filter.countDataSchemes() > 1 17096 || filter.countDataTypes() != 0) { 17097 throw new IllegalArgumentException( 17098 "replacePreferredActivity expects filter to have no data authorities, " + 17099 "paths, or types; and at most one scheme."); 17100 } 17101 17102 final int callingUid = Binder.getCallingUid(); 17103 enforceCrossUserPermission(callingUid, userId, 17104 true /* requireFullPermission */, false /* checkShell */, 17105 "replace preferred activity"); 17106 synchronized (mPackages) { 17107 if (mContext.checkCallingOrSelfPermission( 17108 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17109 != PackageManager.PERMISSION_GRANTED) { 17110 if (getUidTargetSdkVersionLockedLPr(callingUid) 17111 < Build.VERSION_CODES.FROYO) { 17112 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 17113 + Binder.getCallingUid()); 17114 return; 17115 } 17116 mContext.enforceCallingOrSelfPermission( 17117 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17118 } 17119 17120 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17121 if (pir != null) { 17122 // Get all of the existing entries that exactly match this filter. 17123 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 17124 if (existing != null && existing.size() == 1) { 17125 PreferredActivity cur = existing.get(0); 17126 if (DEBUG_PREFERRED) { 17127 Slog.i(TAG, "Checking replace of preferred:"); 17128 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17129 if (!cur.mPref.mAlways) { 17130 Slog.i(TAG, " -- CUR; not mAlways!"); 17131 } else { 17132 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 17133 Slog.i(TAG, " -- CUR: mSet=" 17134 + Arrays.toString(cur.mPref.mSetComponents)); 17135 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 17136 Slog.i(TAG, " -- NEW: mMatch=" 17137 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 17138 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 17139 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 17140 } 17141 } 17142 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 17143 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 17144 && cur.mPref.sameSet(set)) { 17145 // Setting the preferred activity to what it happens to be already 17146 if (DEBUG_PREFERRED) { 17147 Slog.i(TAG, "Replacing with same preferred activity " 17148 + cur.mPref.mShortComponent + " for user " 17149 + userId + ":"); 17150 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17151 } 17152 return; 17153 } 17154 } 17155 17156 if (existing != null) { 17157 if (DEBUG_PREFERRED) { 17158 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 17159 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17160 } 17161 for (int i = 0; i < existing.size(); i++) { 17162 PreferredActivity pa = existing.get(i); 17163 if (DEBUG_PREFERRED) { 17164 Slog.i(TAG, "Removing existing preferred activity " 17165 + pa.mPref.mComponent + ":"); 17166 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 17167 } 17168 pir.removeFilter(pa); 17169 } 17170 } 17171 } 17172 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17173 "Replacing preferred"); 17174 } 17175 } 17176 17177 @Override 17178 public void clearPackagePreferredActivities(String packageName) { 17179 final int uid = Binder.getCallingUid(); 17180 // writer 17181 synchronized (mPackages) { 17182 PackageParser.Package pkg = mPackages.get(packageName); 17183 if (pkg == null || pkg.applicationInfo.uid != uid) { 17184 if (mContext.checkCallingOrSelfPermission( 17185 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17186 != PackageManager.PERMISSION_GRANTED) { 17187 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 17188 < Build.VERSION_CODES.FROYO) { 17189 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 17190 + Binder.getCallingUid()); 17191 return; 17192 } 17193 mContext.enforceCallingOrSelfPermission( 17194 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17195 } 17196 } 17197 17198 int user = UserHandle.getCallingUserId(); 17199 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 17200 scheduleWritePackageRestrictionsLocked(user); 17201 } 17202 } 17203 } 17204 17205 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17206 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17207 ArrayList<PreferredActivity> removed = null; 17208 boolean changed = false; 17209 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17210 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17211 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17212 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17213 continue; 17214 } 17215 Iterator<PreferredActivity> it = pir.filterIterator(); 17216 while (it.hasNext()) { 17217 PreferredActivity pa = it.next(); 17218 // Mark entry for removal only if it matches the package name 17219 // and the entry is of type "always". 17220 if (packageName == null || 17221 (pa.mPref.mComponent.getPackageName().equals(packageName) 17222 && pa.mPref.mAlways)) { 17223 if (removed == null) { 17224 removed = new ArrayList<PreferredActivity>(); 17225 } 17226 removed.add(pa); 17227 } 17228 } 17229 if (removed != null) { 17230 for (int j=0; j<removed.size(); j++) { 17231 PreferredActivity pa = removed.get(j); 17232 pir.removeFilter(pa); 17233 } 17234 changed = true; 17235 } 17236 } 17237 if (changed) { 17238 postPreferredActivityChangedBroadcast(userId); 17239 } 17240 return changed; 17241 } 17242 17243 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17244 private void clearIntentFilterVerificationsLPw(int userId) { 17245 final int packageCount = mPackages.size(); 17246 for (int i = 0; i < packageCount; i++) { 17247 PackageParser.Package pkg = mPackages.valueAt(i); 17248 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17249 } 17250 } 17251 17252 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17253 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17254 if (userId == UserHandle.USER_ALL) { 17255 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17256 sUserManager.getUserIds())) { 17257 for (int oneUserId : sUserManager.getUserIds()) { 17258 scheduleWritePackageRestrictionsLocked(oneUserId); 17259 } 17260 } 17261 } else { 17262 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17263 scheduleWritePackageRestrictionsLocked(userId); 17264 } 17265 } 17266 } 17267 17268 void clearDefaultBrowserIfNeeded(String packageName) { 17269 for (int oneUserId : sUserManager.getUserIds()) { 17270 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17271 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17272 if (packageName.equals(defaultBrowserPackageName)) { 17273 setDefaultBrowserPackageName(null, oneUserId); 17274 } 17275 } 17276 } 17277 17278 @Override 17279 public void resetApplicationPreferences(int userId) { 17280 mContext.enforceCallingOrSelfPermission( 17281 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17282 final long identity = Binder.clearCallingIdentity(); 17283 // writer 17284 try { 17285 synchronized (mPackages) { 17286 clearPackagePreferredActivitiesLPw(null, userId); 17287 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17288 // TODO: We have to reset the default SMS and Phone. This requires 17289 // significant refactoring to keep all default apps in the package 17290 // manager (cleaner but more work) or have the services provide 17291 // callbacks to the package manager to request a default app reset. 17292 applyFactoryDefaultBrowserLPw(userId); 17293 clearIntentFilterVerificationsLPw(userId); 17294 primeDomainVerificationsLPw(userId); 17295 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17296 scheduleWritePackageRestrictionsLocked(userId); 17297 } 17298 resetNetworkPolicies(userId); 17299 } finally { 17300 Binder.restoreCallingIdentity(identity); 17301 } 17302 } 17303 17304 @Override 17305 public int getPreferredActivities(List<IntentFilter> outFilters, 17306 List<ComponentName> outActivities, String packageName) { 17307 17308 int num = 0; 17309 final int userId = UserHandle.getCallingUserId(); 17310 // reader 17311 synchronized (mPackages) { 17312 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17313 if (pir != null) { 17314 final Iterator<PreferredActivity> it = pir.filterIterator(); 17315 while (it.hasNext()) { 17316 final PreferredActivity pa = it.next(); 17317 if (packageName == null 17318 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17319 && pa.mPref.mAlways)) { 17320 if (outFilters != null) { 17321 outFilters.add(new IntentFilter(pa)); 17322 } 17323 if (outActivities != null) { 17324 outActivities.add(pa.mPref.mComponent); 17325 } 17326 } 17327 } 17328 } 17329 } 17330 17331 return num; 17332 } 17333 17334 @Override 17335 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17336 int userId) { 17337 int callingUid = Binder.getCallingUid(); 17338 if (callingUid != Process.SYSTEM_UID) { 17339 throw new SecurityException( 17340 "addPersistentPreferredActivity can only be run by the system"); 17341 } 17342 if (filter.countActions() == 0) { 17343 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17344 return; 17345 } 17346 synchronized (mPackages) { 17347 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17348 ":"); 17349 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17350 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17351 new PersistentPreferredActivity(filter, activity)); 17352 scheduleWritePackageRestrictionsLocked(userId); 17353 postPreferredActivityChangedBroadcast(userId); 17354 } 17355 } 17356 17357 @Override 17358 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17359 int callingUid = Binder.getCallingUid(); 17360 if (callingUid != Process.SYSTEM_UID) { 17361 throw new SecurityException( 17362 "clearPackagePersistentPreferredActivities can only be run by the system"); 17363 } 17364 ArrayList<PersistentPreferredActivity> removed = null; 17365 boolean changed = false; 17366 synchronized (mPackages) { 17367 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17368 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17369 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17370 .valueAt(i); 17371 if (userId != thisUserId) { 17372 continue; 17373 } 17374 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17375 while (it.hasNext()) { 17376 PersistentPreferredActivity ppa = it.next(); 17377 // Mark entry for removal only if it matches the package name. 17378 if (ppa.mComponent.getPackageName().equals(packageName)) { 17379 if (removed == null) { 17380 removed = new ArrayList<PersistentPreferredActivity>(); 17381 } 17382 removed.add(ppa); 17383 } 17384 } 17385 if (removed != null) { 17386 for (int j=0; j<removed.size(); j++) { 17387 PersistentPreferredActivity ppa = removed.get(j); 17388 ppir.removeFilter(ppa); 17389 } 17390 changed = true; 17391 } 17392 } 17393 17394 if (changed) { 17395 scheduleWritePackageRestrictionsLocked(userId); 17396 postPreferredActivityChangedBroadcast(userId); 17397 } 17398 } 17399 } 17400 17401 /** 17402 * Common machinery for picking apart a restored XML blob and passing 17403 * it to a caller-supplied functor to be applied to the running system. 17404 */ 17405 private void restoreFromXml(XmlPullParser parser, int userId, 17406 String expectedStartTag, BlobXmlRestorer functor) 17407 throws IOException, XmlPullParserException { 17408 int type; 17409 while ((type = parser.next()) != XmlPullParser.START_TAG 17410 && type != XmlPullParser.END_DOCUMENT) { 17411 } 17412 if (type != XmlPullParser.START_TAG) { 17413 // oops didn't find a start tag?! 17414 if (DEBUG_BACKUP) { 17415 Slog.e(TAG, "Didn't find start tag during restore"); 17416 } 17417 return; 17418 } 17419Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17420 // this is supposed to be TAG_PREFERRED_BACKUP 17421 if (!expectedStartTag.equals(parser.getName())) { 17422 if (DEBUG_BACKUP) { 17423 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17424 } 17425 return; 17426 } 17427 17428 // skip interfering stuff, then we're aligned with the backing implementation 17429 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17430Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17431 functor.apply(parser, userId); 17432 } 17433 17434 private interface BlobXmlRestorer { 17435 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17436 } 17437 17438 /** 17439 * Non-Binder method, support for the backup/restore mechanism: write the 17440 * full set of preferred activities in its canonical XML format. Returns the 17441 * XML output as a byte array, or null if there is none. 17442 */ 17443 @Override 17444 public byte[] getPreferredActivityBackup(int userId) { 17445 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17446 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17447 } 17448 17449 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17450 try { 17451 final XmlSerializer serializer = new FastXmlSerializer(); 17452 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17453 serializer.startDocument(null, true); 17454 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17455 17456 synchronized (mPackages) { 17457 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17458 } 17459 17460 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17461 serializer.endDocument(); 17462 serializer.flush(); 17463 } catch (Exception e) { 17464 if (DEBUG_BACKUP) { 17465 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17466 } 17467 return null; 17468 } 17469 17470 return dataStream.toByteArray(); 17471 } 17472 17473 @Override 17474 public void restorePreferredActivities(byte[] backup, int userId) { 17475 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17476 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17477 } 17478 17479 try { 17480 final XmlPullParser parser = Xml.newPullParser(); 17481 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17482 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17483 new BlobXmlRestorer() { 17484 @Override 17485 public void apply(XmlPullParser parser, int userId) 17486 throws XmlPullParserException, IOException { 17487 synchronized (mPackages) { 17488 mSettings.readPreferredActivitiesLPw(parser, userId); 17489 } 17490 } 17491 } ); 17492 } catch (Exception e) { 17493 if (DEBUG_BACKUP) { 17494 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17495 } 17496 } 17497 } 17498 17499 /** 17500 * Non-Binder method, support for the backup/restore mechanism: write the 17501 * default browser (etc) settings in its canonical XML format. Returns the default 17502 * browser XML representation as a byte array, or null if there is none. 17503 */ 17504 @Override 17505 public byte[] getDefaultAppsBackup(int userId) { 17506 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17507 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17508 } 17509 17510 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17511 try { 17512 final XmlSerializer serializer = new FastXmlSerializer(); 17513 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17514 serializer.startDocument(null, true); 17515 serializer.startTag(null, TAG_DEFAULT_APPS); 17516 17517 synchronized (mPackages) { 17518 mSettings.writeDefaultAppsLPr(serializer, userId); 17519 } 17520 17521 serializer.endTag(null, TAG_DEFAULT_APPS); 17522 serializer.endDocument(); 17523 serializer.flush(); 17524 } catch (Exception e) { 17525 if (DEBUG_BACKUP) { 17526 Slog.e(TAG, "Unable to write default apps for backup", e); 17527 } 17528 return null; 17529 } 17530 17531 return dataStream.toByteArray(); 17532 } 17533 17534 @Override 17535 public void restoreDefaultApps(byte[] backup, int userId) { 17536 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17537 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17538 } 17539 17540 try { 17541 final XmlPullParser parser = Xml.newPullParser(); 17542 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17543 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17544 new BlobXmlRestorer() { 17545 @Override 17546 public void apply(XmlPullParser parser, int userId) 17547 throws XmlPullParserException, IOException { 17548 synchronized (mPackages) { 17549 mSettings.readDefaultAppsLPw(parser, userId); 17550 } 17551 } 17552 } ); 17553 } catch (Exception e) { 17554 if (DEBUG_BACKUP) { 17555 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17556 } 17557 } 17558 } 17559 17560 @Override 17561 public byte[] getIntentFilterVerificationBackup(int userId) { 17562 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17563 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17564 } 17565 17566 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17567 try { 17568 final XmlSerializer serializer = new FastXmlSerializer(); 17569 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17570 serializer.startDocument(null, true); 17571 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17572 17573 synchronized (mPackages) { 17574 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17575 } 17576 17577 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17578 serializer.endDocument(); 17579 serializer.flush(); 17580 } catch (Exception e) { 17581 if (DEBUG_BACKUP) { 17582 Slog.e(TAG, "Unable to write default apps for backup", e); 17583 } 17584 return null; 17585 } 17586 17587 return dataStream.toByteArray(); 17588 } 17589 17590 @Override 17591 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17592 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17593 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17594 } 17595 17596 try { 17597 final XmlPullParser parser = Xml.newPullParser(); 17598 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17599 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17600 new BlobXmlRestorer() { 17601 @Override 17602 public void apply(XmlPullParser parser, int userId) 17603 throws XmlPullParserException, IOException { 17604 synchronized (mPackages) { 17605 mSettings.readAllDomainVerificationsLPr(parser, userId); 17606 mSettings.writeLPr(); 17607 } 17608 } 17609 } ); 17610 } catch (Exception e) { 17611 if (DEBUG_BACKUP) { 17612 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17613 } 17614 } 17615 } 17616 17617 @Override 17618 public byte[] getPermissionGrantBackup(int userId) { 17619 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17620 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17621 } 17622 17623 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17624 try { 17625 final XmlSerializer serializer = new FastXmlSerializer(); 17626 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17627 serializer.startDocument(null, true); 17628 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17629 17630 synchronized (mPackages) { 17631 serializeRuntimePermissionGrantsLPr(serializer, userId); 17632 } 17633 17634 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17635 serializer.endDocument(); 17636 serializer.flush(); 17637 } catch (Exception e) { 17638 if (DEBUG_BACKUP) { 17639 Slog.e(TAG, "Unable to write default apps for backup", e); 17640 } 17641 return null; 17642 } 17643 17644 return dataStream.toByteArray(); 17645 } 17646 17647 @Override 17648 public void restorePermissionGrants(byte[] backup, int userId) { 17649 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17650 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17651 } 17652 17653 try { 17654 final XmlPullParser parser = Xml.newPullParser(); 17655 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17656 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17657 new BlobXmlRestorer() { 17658 @Override 17659 public void apply(XmlPullParser parser, int userId) 17660 throws XmlPullParserException, IOException { 17661 synchronized (mPackages) { 17662 processRestoredPermissionGrantsLPr(parser, userId); 17663 } 17664 } 17665 } ); 17666 } catch (Exception e) { 17667 if (DEBUG_BACKUP) { 17668 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17669 } 17670 } 17671 } 17672 17673 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17674 throws IOException { 17675 serializer.startTag(null, TAG_ALL_GRANTS); 17676 17677 final int N = mSettings.mPackages.size(); 17678 for (int i = 0; i < N; i++) { 17679 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17680 boolean pkgGrantsKnown = false; 17681 17682 PermissionsState packagePerms = ps.getPermissionsState(); 17683 17684 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17685 final int grantFlags = state.getFlags(); 17686 // only look at grants that are not system/policy fixed 17687 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17688 final boolean isGranted = state.isGranted(); 17689 // And only back up the user-twiddled state bits 17690 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17691 final String packageName = mSettings.mPackages.keyAt(i); 17692 if (!pkgGrantsKnown) { 17693 serializer.startTag(null, TAG_GRANT); 17694 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17695 pkgGrantsKnown = true; 17696 } 17697 17698 final boolean userSet = 17699 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17700 final boolean userFixed = 17701 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17702 final boolean revoke = 17703 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17704 17705 serializer.startTag(null, TAG_PERMISSION); 17706 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17707 if (isGranted) { 17708 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17709 } 17710 if (userSet) { 17711 serializer.attribute(null, ATTR_USER_SET, "true"); 17712 } 17713 if (userFixed) { 17714 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17715 } 17716 if (revoke) { 17717 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17718 } 17719 serializer.endTag(null, TAG_PERMISSION); 17720 } 17721 } 17722 } 17723 17724 if (pkgGrantsKnown) { 17725 serializer.endTag(null, TAG_GRANT); 17726 } 17727 } 17728 17729 serializer.endTag(null, TAG_ALL_GRANTS); 17730 } 17731 17732 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17733 throws XmlPullParserException, IOException { 17734 String pkgName = null; 17735 int outerDepth = parser.getDepth(); 17736 int type; 17737 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17738 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17739 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17740 continue; 17741 } 17742 17743 final String tagName = parser.getName(); 17744 if (tagName.equals(TAG_GRANT)) { 17745 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17746 if (DEBUG_BACKUP) { 17747 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17748 } 17749 } else if (tagName.equals(TAG_PERMISSION)) { 17750 17751 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17752 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17753 17754 int newFlagSet = 0; 17755 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17756 newFlagSet |= FLAG_PERMISSION_USER_SET; 17757 } 17758 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17759 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17760 } 17761 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17762 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17763 } 17764 if (DEBUG_BACKUP) { 17765 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17766 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17767 } 17768 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17769 if (ps != null) { 17770 // Already installed so we apply the grant immediately 17771 if (DEBUG_BACKUP) { 17772 Slog.v(TAG, " + already installed; applying"); 17773 } 17774 PermissionsState perms = ps.getPermissionsState(); 17775 BasePermission bp = mSettings.mPermissions.get(permName); 17776 if (bp != null) { 17777 if (isGranted) { 17778 perms.grantRuntimePermission(bp, userId); 17779 } 17780 if (newFlagSet != 0) { 17781 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17782 } 17783 } 17784 } else { 17785 // Need to wait for post-restore install to apply the grant 17786 if (DEBUG_BACKUP) { 17787 Slog.v(TAG, " - not yet installed; saving for later"); 17788 } 17789 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17790 isGranted, newFlagSet, userId); 17791 } 17792 } else { 17793 PackageManagerService.reportSettingsProblem(Log.WARN, 17794 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17795 XmlUtils.skipCurrentTag(parser); 17796 } 17797 } 17798 17799 scheduleWriteSettingsLocked(); 17800 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17801 } 17802 17803 @Override 17804 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17805 int sourceUserId, int targetUserId, int flags) { 17806 mContext.enforceCallingOrSelfPermission( 17807 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17808 int callingUid = Binder.getCallingUid(); 17809 enforceOwnerRights(ownerPackage, callingUid); 17810 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17811 if (intentFilter.countActions() == 0) { 17812 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17813 return; 17814 } 17815 synchronized (mPackages) { 17816 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17817 ownerPackage, targetUserId, flags); 17818 CrossProfileIntentResolver resolver = 17819 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17820 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17821 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17822 if (existing != null) { 17823 int size = existing.size(); 17824 for (int i = 0; i < size; i++) { 17825 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17826 return; 17827 } 17828 } 17829 } 17830 resolver.addFilter(newFilter); 17831 scheduleWritePackageRestrictionsLocked(sourceUserId); 17832 } 17833 } 17834 17835 @Override 17836 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17837 mContext.enforceCallingOrSelfPermission( 17838 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17839 int callingUid = Binder.getCallingUid(); 17840 enforceOwnerRights(ownerPackage, callingUid); 17841 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17842 synchronized (mPackages) { 17843 CrossProfileIntentResolver resolver = 17844 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17845 ArraySet<CrossProfileIntentFilter> set = 17846 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17847 for (CrossProfileIntentFilter filter : set) { 17848 if (filter.getOwnerPackage().equals(ownerPackage)) { 17849 resolver.removeFilter(filter); 17850 } 17851 } 17852 scheduleWritePackageRestrictionsLocked(sourceUserId); 17853 } 17854 } 17855 17856 // Enforcing that callingUid is owning pkg on userId 17857 private void enforceOwnerRights(String pkg, int callingUid) { 17858 // The system owns everything. 17859 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17860 return; 17861 } 17862 int callingUserId = UserHandle.getUserId(callingUid); 17863 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17864 if (pi == null) { 17865 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17866 + callingUserId); 17867 } 17868 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17869 throw new SecurityException("Calling uid " + callingUid 17870 + " does not own package " + pkg); 17871 } 17872 } 17873 17874 @Override 17875 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17876 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17877 } 17878 17879 private Intent getHomeIntent() { 17880 Intent intent = new Intent(Intent.ACTION_MAIN); 17881 intent.addCategory(Intent.CATEGORY_HOME); 17882 intent.addCategory(Intent.CATEGORY_DEFAULT); 17883 return intent; 17884 } 17885 17886 private IntentFilter getHomeFilter() { 17887 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17888 filter.addCategory(Intent.CATEGORY_HOME); 17889 filter.addCategory(Intent.CATEGORY_DEFAULT); 17890 return filter; 17891 } 17892 17893 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17894 int userId) { 17895 Intent intent = getHomeIntent(); 17896 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17897 PackageManager.GET_META_DATA, userId); 17898 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17899 true, false, false, userId); 17900 17901 allHomeCandidates.clear(); 17902 if (list != null) { 17903 for (ResolveInfo ri : list) { 17904 allHomeCandidates.add(ri); 17905 } 17906 } 17907 return (preferred == null || preferred.activityInfo == null) 17908 ? null 17909 : new ComponentName(preferred.activityInfo.packageName, 17910 preferred.activityInfo.name); 17911 } 17912 17913 @Override 17914 public void setHomeActivity(ComponentName comp, int userId) { 17915 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17916 getHomeActivitiesAsUser(homeActivities, userId); 17917 17918 boolean found = false; 17919 17920 final int size = homeActivities.size(); 17921 final ComponentName[] set = new ComponentName[size]; 17922 for (int i = 0; i < size; i++) { 17923 final ResolveInfo candidate = homeActivities.get(i); 17924 final ActivityInfo info = candidate.activityInfo; 17925 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17926 set[i] = activityName; 17927 if (!found && activityName.equals(comp)) { 17928 found = true; 17929 } 17930 } 17931 if (!found) { 17932 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17933 + userId); 17934 } 17935 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17936 set, comp, userId); 17937 } 17938 17939 private @Nullable String getSetupWizardPackageName() { 17940 final Intent intent = new Intent(Intent.ACTION_MAIN); 17941 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17942 17943 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17944 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17945 | MATCH_DISABLED_COMPONENTS, 17946 UserHandle.myUserId()); 17947 if (matches.size() == 1) { 17948 return matches.get(0).getComponentInfo().packageName; 17949 } else { 17950 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17951 + ": matches=" + matches); 17952 return null; 17953 } 17954 } 17955 17956 private @Nullable String getStorageManagerPackageName() { 17957 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 17958 17959 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17960 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17961 | MATCH_DISABLED_COMPONENTS, 17962 UserHandle.myUserId()); 17963 if (matches.size() == 1) { 17964 return matches.get(0).getComponentInfo().packageName; 17965 } else { 17966 Slog.e(TAG, "There should probably be exactly one storage manager; found " 17967 + matches.size() + ": matches=" + matches); 17968 return null; 17969 } 17970 } 17971 17972 @Override 17973 public void setApplicationEnabledSetting(String appPackageName, 17974 int newState, int flags, int userId, String callingPackage) { 17975 if (!sUserManager.exists(userId)) return; 17976 if (callingPackage == null) { 17977 callingPackage = Integer.toString(Binder.getCallingUid()); 17978 } 17979 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17980 } 17981 17982 @Override 17983 public void setComponentEnabledSetting(ComponentName componentName, 17984 int newState, int flags, int userId) { 17985 if (!sUserManager.exists(userId)) return; 17986 setEnabledSetting(componentName.getPackageName(), 17987 componentName.getClassName(), newState, flags, userId, null); 17988 } 17989 17990 private void setEnabledSetting(final String packageName, String className, int newState, 17991 final int flags, int userId, String callingPackage) { 17992 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17993 || newState == COMPONENT_ENABLED_STATE_ENABLED 17994 || newState == COMPONENT_ENABLED_STATE_DISABLED 17995 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17996 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17997 throw new IllegalArgumentException("Invalid new component state: " 17998 + newState); 17999 } 18000 PackageSetting pkgSetting; 18001 final int uid = Binder.getCallingUid(); 18002 final int permission; 18003 if (uid == Process.SYSTEM_UID) { 18004 permission = PackageManager.PERMISSION_GRANTED; 18005 } else { 18006 permission = mContext.checkCallingOrSelfPermission( 18007 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18008 } 18009 enforceCrossUserPermission(uid, userId, 18010 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 18011 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18012 boolean sendNow = false; 18013 boolean isApp = (className == null); 18014 String componentName = isApp ? packageName : className; 18015 int packageUid = -1; 18016 ArrayList<String> components; 18017 18018 // writer 18019 synchronized (mPackages) { 18020 pkgSetting = mSettings.mPackages.get(packageName); 18021 if (pkgSetting == null) { 18022 if (className == null) { 18023 throw new IllegalArgumentException("Unknown package: " + packageName); 18024 } 18025 throw new IllegalArgumentException( 18026 "Unknown component: " + packageName + "/" + className); 18027 } 18028 } 18029 18030 // Limit who can change which apps 18031 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 18032 // Don't allow apps that don't have permission to modify other apps 18033 if (!allowedByPermission) { 18034 throw new SecurityException( 18035 "Permission Denial: attempt to change component state from pid=" 18036 + Binder.getCallingPid() 18037 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 18038 } 18039 // Don't allow changing protected packages. 18040 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 18041 throw new SecurityException("Cannot disable a protected package: " + packageName); 18042 } 18043 } 18044 18045 synchronized (mPackages) { 18046 if (uid == Process.SHELL_UID) { 18047 // Shell can only change whole packages between ENABLED and DISABLED_USER states 18048 int oldState = pkgSetting.getEnabled(userId); 18049 if (className == null 18050 && 18051 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 18052 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 18053 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 18054 && 18055 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18056 || newState == COMPONENT_ENABLED_STATE_DEFAULT 18057 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 18058 // ok 18059 } else { 18060 throw new SecurityException( 18061 "Shell cannot change component state for " + packageName + "/" 18062 + className + " to " + newState); 18063 } 18064 } 18065 if (className == null) { 18066 // We're dealing with an application/package level state change 18067 if (pkgSetting.getEnabled(userId) == newState) { 18068 // Nothing to do 18069 return; 18070 } 18071 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 18072 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 18073 // Don't care about who enables an app. 18074 callingPackage = null; 18075 } 18076 pkgSetting.setEnabled(newState, userId, callingPackage); 18077 // pkgSetting.pkg.mSetEnabled = newState; 18078 } else { 18079 // We're dealing with a component level state change 18080 // First, verify that this is a valid class name. 18081 PackageParser.Package pkg = pkgSetting.pkg; 18082 if (pkg == null || !pkg.hasComponentClassName(className)) { 18083 if (pkg != null && 18084 pkg.applicationInfo.targetSdkVersion >= 18085 Build.VERSION_CODES.JELLY_BEAN) { 18086 throw new IllegalArgumentException("Component class " + className 18087 + " does not exist in " + packageName); 18088 } else { 18089 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 18090 + className + " does not exist in " + packageName); 18091 } 18092 } 18093 switch (newState) { 18094 case COMPONENT_ENABLED_STATE_ENABLED: 18095 if (!pkgSetting.enableComponentLPw(className, userId)) { 18096 return; 18097 } 18098 break; 18099 case COMPONENT_ENABLED_STATE_DISABLED: 18100 if (!pkgSetting.disableComponentLPw(className, userId)) { 18101 return; 18102 } 18103 break; 18104 case COMPONENT_ENABLED_STATE_DEFAULT: 18105 if (!pkgSetting.restoreComponentLPw(className, userId)) { 18106 return; 18107 } 18108 break; 18109 default: 18110 Slog.e(TAG, "Invalid new component state: " + newState); 18111 return; 18112 } 18113 } 18114 scheduleWritePackageRestrictionsLocked(userId); 18115 components = mPendingBroadcasts.get(userId, packageName); 18116 final boolean newPackage = components == null; 18117 if (newPackage) { 18118 components = new ArrayList<String>(); 18119 } 18120 if (!components.contains(componentName)) { 18121 components.add(componentName); 18122 } 18123 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 18124 sendNow = true; 18125 // Purge entry from pending broadcast list if another one exists already 18126 // since we are sending one right away. 18127 mPendingBroadcasts.remove(userId, packageName); 18128 } else { 18129 if (newPackage) { 18130 mPendingBroadcasts.put(userId, packageName, components); 18131 } 18132 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 18133 // Schedule a message 18134 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 18135 } 18136 } 18137 } 18138 18139 long callingId = Binder.clearCallingIdentity(); 18140 try { 18141 if (sendNow) { 18142 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 18143 sendPackageChangedBroadcast(packageName, 18144 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 18145 } 18146 } finally { 18147 Binder.restoreCallingIdentity(callingId); 18148 } 18149 } 18150 18151 @Override 18152 public void flushPackageRestrictionsAsUser(int userId) { 18153 if (!sUserManager.exists(userId)) { 18154 return; 18155 } 18156 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 18157 false /* checkShell */, "flushPackageRestrictions"); 18158 synchronized (mPackages) { 18159 mSettings.writePackageRestrictionsLPr(userId); 18160 mDirtyUsers.remove(userId); 18161 if (mDirtyUsers.isEmpty()) { 18162 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 18163 } 18164 } 18165 } 18166 18167 private void sendPackageChangedBroadcast(String packageName, 18168 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 18169 if (DEBUG_INSTALL) 18170 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 18171 + componentNames); 18172 Bundle extras = new Bundle(4); 18173 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 18174 String nameList[] = new String[componentNames.size()]; 18175 componentNames.toArray(nameList); 18176 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 18177 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 18178 extras.putInt(Intent.EXTRA_UID, packageUid); 18179 // If this is not reporting a change of the overall package, then only send it 18180 // to registered receivers. We don't want to launch a swath of apps for every 18181 // little component state change. 18182 final int flags = !componentNames.contains(packageName) 18183 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 18184 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 18185 new int[] {UserHandle.getUserId(packageUid)}); 18186 } 18187 18188 @Override 18189 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 18190 if (!sUserManager.exists(userId)) return; 18191 final int uid = Binder.getCallingUid(); 18192 final int permission = mContext.checkCallingOrSelfPermission( 18193 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18194 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18195 enforceCrossUserPermission(uid, userId, 18196 true /* requireFullPermission */, true /* checkShell */, "stop package"); 18197 // writer 18198 synchronized (mPackages) { 18199 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 18200 allowedByPermission, uid, userId)) { 18201 scheduleWritePackageRestrictionsLocked(userId); 18202 } 18203 } 18204 } 18205 18206 @Override 18207 public String getInstallerPackageName(String packageName) { 18208 // reader 18209 synchronized (mPackages) { 18210 return mSettings.getInstallerPackageNameLPr(packageName); 18211 } 18212 } 18213 18214 public boolean isOrphaned(String packageName) { 18215 // reader 18216 synchronized (mPackages) { 18217 return mSettings.isOrphaned(packageName); 18218 } 18219 } 18220 18221 @Override 18222 public int getApplicationEnabledSetting(String packageName, int userId) { 18223 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18224 int uid = Binder.getCallingUid(); 18225 enforceCrossUserPermission(uid, userId, 18226 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18227 // reader 18228 synchronized (mPackages) { 18229 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18230 } 18231 } 18232 18233 @Override 18234 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18235 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18236 int uid = Binder.getCallingUid(); 18237 enforceCrossUserPermission(uid, userId, 18238 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18239 // reader 18240 synchronized (mPackages) { 18241 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18242 } 18243 } 18244 18245 @Override 18246 public void enterSafeMode() { 18247 enforceSystemOrRoot("Only the system can request entering safe mode"); 18248 18249 if (!mSystemReady) { 18250 mSafeMode = true; 18251 } 18252 } 18253 18254 @Override 18255 public void systemReady() { 18256 mSystemReady = true; 18257 18258 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18259 // disabled after already being started. 18260 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18261 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18262 18263 // Read the compatibilty setting when the system is ready. 18264 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18265 mContext.getContentResolver(), 18266 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18267 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18268 if (DEBUG_SETTINGS) { 18269 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18270 } 18271 18272 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18273 18274 synchronized (mPackages) { 18275 // Verify that all of the preferred activity components actually 18276 // exist. It is possible for applications to be updated and at 18277 // that point remove a previously declared activity component that 18278 // had been set as a preferred activity. We try to clean this up 18279 // the next time we encounter that preferred activity, but it is 18280 // possible for the user flow to never be able to return to that 18281 // situation so here we do a sanity check to make sure we haven't 18282 // left any junk around. 18283 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18284 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18285 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18286 removed.clear(); 18287 for (PreferredActivity pa : pir.filterSet()) { 18288 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18289 removed.add(pa); 18290 } 18291 } 18292 if (removed.size() > 0) { 18293 for (int r=0; r<removed.size(); r++) { 18294 PreferredActivity pa = removed.get(r); 18295 Slog.w(TAG, "Removing dangling preferred activity: " 18296 + pa.mPref.mComponent); 18297 pir.removeFilter(pa); 18298 } 18299 mSettings.writePackageRestrictionsLPr( 18300 mSettings.mPreferredActivities.keyAt(i)); 18301 } 18302 } 18303 18304 for (int userId : UserManagerService.getInstance().getUserIds()) { 18305 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18306 grantPermissionsUserIds = ArrayUtils.appendInt( 18307 grantPermissionsUserIds, userId); 18308 } 18309 } 18310 } 18311 sUserManager.systemReady(); 18312 18313 // If we upgraded grant all default permissions before kicking off. 18314 for (int userId : grantPermissionsUserIds) { 18315 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18316 } 18317 18318 // If we did not grant default permissions, we preload from this the 18319 // default permission exceptions lazily to ensure we don't hit the 18320 // disk on a new user creation. 18321 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18322 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18323 } 18324 18325 // Kick off any messages waiting for system ready 18326 if (mPostSystemReadyMessages != null) { 18327 for (Message msg : mPostSystemReadyMessages) { 18328 msg.sendToTarget(); 18329 } 18330 mPostSystemReadyMessages = null; 18331 } 18332 18333 // Watch for external volumes that come and go over time 18334 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18335 storage.registerListener(mStorageListener); 18336 18337 mInstallerService.systemReady(); 18338 mPackageDexOptimizer.systemReady(); 18339 18340 MountServiceInternal mountServiceInternal = LocalServices.getService( 18341 MountServiceInternal.class); 18342 mountServiceInternal.addExternalStoragePolicy( 18343 new MountServiceInternal.ExternalStorageMountPolicy() { 18344 @Override 18345 public int getMountMode(int uid, String packageName) { 18346 if (Process.isIsolated(uid)) { 18347 return Zygote.MOUNT_EXTERNAL_NONE; 18348 } 18349 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18350 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18351 } 18352 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18353 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18354 } 18355 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18356 return Zygote.MOUNT_EXTERNAL_READ; 18357 } 18358 return Zygote.MOUNT_EXTERNAL_WRITE; 18359 } 18360 18361 @Override 18362 public boolean hasExternalStorage(int uid, String packageName) { 18363 return true; 18364 } 18365 }); 18366 18367 // Now that we're mostly running, clean up stale users and apps 18368 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18369 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18370 } 18371 18372 @Override 18373 public boolean isSafeMode() { 18374 return mSafeMode; 18375 } 18376 18377 @Override 18378 public boolean hasSystemUidErrors() { 18379 return mHasSystemUidErrors; 18380 } 18381 18382 static String arrayToString(int[] array) { 18383 StringBuffer buf = new StringBuffer(128); 18384 buf.append('['); 18385 if (array != null) { 18386 for (int i=0; i<array.length; i++) { 18387 if (i > 0) buf.append(", "); 18388 buf.append(array[i]); 18389 } 18390 } 18391 buf.append(']'); 18392 return buf.toString(); 18393 } 18394 18395 static class DumpState { 18396 public static final int DUMP_LIBS = 1 << 0; 18397 public static final int DUMP_FEATURES = 1 << 1; 18398 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18399 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18400 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18401 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18402 public static final int DUMP_PERMISSIONS = 1 << 6; 18403 public static final int DUMP_PACKAGES = 1 << 7; 18404 public static final int DUMP_SHARED_USERS = 1 << 8; 18405 public static final int DUMP_MESSAGES = 1 << 9; 18406 public static final int DUMP_PROVIDERS = 1 << 10; 18407 public static final int DUMP_VERIFIERS = 1 << 11; 18408 public static final int DUMP_PREFERRED = 1 << 12; 18409 public static final int DUMP_PREFERRED_XML = 1 << 13; 18410 public static final int DUMP_KEYSETS = 1 << 14; 18411 public static final int DUMP_VERSION = 1 << 15; 18412 public static final int DUMP_INSTALLS = 1 << 16; 18413 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18414 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18415 public static final int DUMP_FROZEN = 1 << 19; 18416 public static final int DUMP_DEXOPT = 1 << 20; 18417 public static final int DUMP_COMPILER_STATS = 1 << 21; 18418 18419 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18420 18421 private int mTypes; 18422 18423 private int mOptions; 18424 18425 private boolean mTitlePrinted; 18426 18427 private SharedUserSetting mSharedUser; 18428 18429 public boolean isDumping(int type) { 18430 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18431 return true; 18432 } 18433 18434 return (mTypes & type) != 0; 18435 } 18436 18437 public void setDump(int type) { 18438 mTypes |= type; 18439 } 18440 18441 public boolean isOptionEnabled(int option) { 18442 return (mOptions & option) != 0; 18443 } 18444 18445 public void setOptionEnabled(int option) { 18446 mOptions |= option; 18447 } 18448 18449 public boolean onTitlePrinted() { 18450 final boolean printed = mTitlePrinted; 18451 mTitlePrinted = true; 18452 return printed; 18453 } 18454 18455 public boolean getTitlePrinted() { 18456 return mTitlePrinted; 18457 } 18458 18459 public void setTitlePrinted(boolean enabled) { 18460 mTitlePrinted = enabled; 18461 } 18462 18463 public SharedUserSetting getSharedUser() { 18464 return mSharedUser; 18465 } 18466 18467 public void setSharedUser(SharedUserSetting user) { 18468 mSharedUser = user; 18469 } 18470 } 18471 18472 @Override 18473 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18474 FileDescriptor err, String[] args, ShellCallback callback, 18475 ResultReceiver resultReceiver) { 18476 (new PackageManagerShellCommand(this)).exec( 18477 this, in, out, err, args, callback, resultReceiver); 18478 } 18479 18480 @Override 18481 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18482 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18483 != PackageManager.PERMISSION_GRANTED) { 18484 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18485 + Binder.getCallingPid() 18486 + ", uid=" + Binder.getCallingUid() 18487 + " without permission " 18488 + android.Manifest.permission.DUMP); 18489 return; 18490 } 18491 18492 DumpState dumpState = new DumpState(); 18493 boolean fullPreferred = false; 18494 boolean checkin = false; 18495 18496 String packageName = null; 18497 ArraySet<String> permissionNames = null; 18498 18499 int opti = 0; 18500 while (opti < args.length) { 18501 String opt = args[opti]; 18502 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18503 break; 18504 } 18505 opti++; 18506 18507 if ("-a".equals(opt)) { 18508 // Right now we only know how to print all. 18509 } else if ("-h".equals(opt)) { 18510 pw.println("Package manager dump options:"); 18511 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18512 pw.println(" --checkin: dump for a checkin"); 18513 pw.println(" -f: print details of intent filters"); 18514 pw.println(" -h: print this help"); 18515 pw.println(" cmd may be one of:"); 18516 pw.println(" l[ibraries]: list known shared libraries"); 18517 pw.println(" f[eatures]: list device features"); 18518 pw.println(" k[eysets]: print known keysets"); 18519 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18520 pw.println(" perm[issions]: dump permissions"); 18521 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18522 pw.println(" pref[erred]: print preferred package settings"); 18523 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18524 pw.println(" prov[iders]: dump content providers"); 18525 pw.println(" p[ackages]: dump installed packages"); 18526 pw.println(" s[hared-users]: dump shared user IDs"); 18527 pw.println(" m[essages]: print collected runtime messages"); 18528 pw.println(" v[erifiers]: print package verifier info"); 18529 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18530 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18531 pw.println(" version: print database version info"); 18532 pw.println(" write: write current settings now"); 18533 pw.println(" installs: details about install sessions"); 18534 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18535 pw.println(" dexopt: dump dexopt state"); 18536 pw.println(" compiler-stats: dump compiler statistics"); 18537 pw.println(" <package.name>: info about given package"); 18538 return; 18539 } else if ("--checkin".equals(opt)) { 18540 checkin = true; 18541 } else if ("-f".equals(opt)) { 18542 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18543 } else { 18544 pw.println("Unknown argument: " + opt + "; use -h for help"); 18545 } 18546 } 18547 18548 // Is the caller requesting to dump a particular piece of data? 18549 if (opti < args.length) { 18550 String cmd = args[opti]; 18551 opti++; 18552 // Is this a package name? 18553 if ("android".equals(cmd) || cmd.contains(".")) { 18554 packageName = cmd; 18555 // When dumping a single package, we always dump all of its 18556 // filter information since the amount of data will be reasonable. 18557 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18558 } else if ("check-permission".equals(cmd)) { 18559 if (opti >= args.length) { 18560 pw.println("Error: check-permission missing permission argument"); 18561 return; 18562 } 18563 String perm = args[opti]; 18564 opti++; 18565 if (opti >= args.length) { 18566 pw.println("Error: check-permission missing package argument"); 18567 return; 18568 } 18569 String pkg = args[opti]; 18570 opti++; 18571 int user = UserHandle.getUserId(Binder.getCallingUid()); 18572 if (opti < args.length) { 18573 try { 18574 user = Integer.parseInt(args[opti]); 18575 } catch (NumberFormatException e) { 18576 pw.println("Error: check-permission user argument is not a number: " 18577 + args[opti]); 18578 return; 18579 } 18580 } 18581 pw.println(checkPermission(perm, pkg, user)); 18582 return; 18583 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18584 dumpState.setDump(DumpState.DUMP_LIBS); 18585 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18586 dumpState.setDump(DumpState.DUMP_FEATURES); 18587 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18588 if (opti >= args.length) { 18589 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18590 | DumpState.DUMP_SERVICE_RESOLVERS 18591 | DumpState.DUMP_RECEIVER_RESOLVERS 18592 | DumpState.DUMP_CONTENT_RESOLVERS); 18593 } else { 18594 while (opti < args.length) { 18595 String name = args[opti]; 18596 if ("a".equals(name) || "activity".equals(name)) { 18597 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18598 } else if ("s".equals(name) || "service".equals(name)) { 18599 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18600 } else if ("r".equals(name) || "receiver".equals(name)) { 18601 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18602 } else if ("c".equals(name) || "content".equals(name)) { 18603 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18604 } else { 18605 pw.println("Error: unknown resolver table type: " + name); 18606 return; 18607 } 18608 opti++; 18609 } 18610 } 18611 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18612 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18613 } else if ("permission".equals(cmd)) { 18614 if (opti >= args.length) { 18615 pw.println("Error: permission requires permission name"); 18616 return; 18617 } 18618 permissionNames = new ArraySet<>(); 18619 while (opti < args.length) { 18620 permissionNames.add(args[opti]); 18621 opti++; 18622 } 18623 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18624 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18625 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18626 dumpState.setDump(DumpState.DUMP_PREFERRED); 18627 } else if ("preferred-xml".equals(cmd)) { 18628 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18629 if (opti < args.length && "--full".equals(args[opti])) { 18630 fullPreferred = true; 18631 opti++; 18632 } 18633 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18634 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18635 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18636 dumpState.setDump(DumpState.DUMP_PACKAGES); 18637 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18638 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18639 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18640 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18641 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18642 dumpState.setDump(DumpState.DUMP_MESSAGES); 18643 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18644 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18645 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18646 || "intent-filter-verifiers".equals(cmd)) { 18647 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18648 } else if ("version".equals(cmd)) { 18649 dumpState.setDump(DumpState.DUMP_VERSION); 18650 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18651 dumpState.setDump(DumpState.DUMP_KEYSETS); 18652 } else if ("installs".equals(cmd)) { 18653 dumpState.setDump(DumpState.DUMP_INSTALLS); 18654 } else if ("frozen".equals(cmd)) { 18655 dumpState.setDump(DumpState.DUMP_FROZEN); 18656 } else if ("dexopt".equals(cmd)) { 18657 dumpState.setDump(DumpState.DUMP_DEXOPT); 18658 } else if ("compiler-stats".equals(cmd)) { 18659 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18660 } else if ("write".equals(cmd)) { 18661 synchronized (mPackages) { 18662 mSettings.writeLPr(); 18663 pw.println("Settings written."); 18664 return; 18665 } 18666 } 18667 } 18668 18669 if (checkin) { 18670 pw.println("vers,1"); 18671 } 18672 18673 // reader 18674 synchronized (mPackages) { 18675 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18676 if (!checkin) { 18677 if (dumpState.onTitlePrinted()) 18678 pw.println(); 18679 pw.println("Database versions:"); 18680 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18681 } 18682 } 18683 18684 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18685 if (!checkin) { 18686 if (dumpState.onTitlePrinted()) 18687 pw.println(); 18688 pw.println("Verifiers:"); 18689 pw.print(" Required: "); 18690 pw.print(mRequiredVerifierPackage); 18691 pw.print(" (uid="); 18692 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18693 UserHandle.USER_SYSTEM)); 18694 pw.println(")"); 18695 } else if (mRequiredVerifierPackage != null) { 18696 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18697 pw.print(","); 18698 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18699 UserHandle.USER_SYSTEM)); 18700 } 18701 } 18702 18703 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18704 packageName == null) { 18705 if (mIntentFilterVerifierComponent != null) { 18706 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18707 if (!checkin) { 18708 if (dumpState.onTitlePrinted()) 18709 pw.println(); 18710 pw.println("Intent Filter Verifier:"); 18711 pw.print(" Using: "); 18712 pw.print(verifierPackageName); 18713 pw.print(" (uid="); 18714 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18715 UserHandle.USER_SYSTEM)); 18716 pw.println(")"); 18717 } else if (verifierPackageName != null) { 18718 pw.print("ifv,"); pw.print(verifierPackageName); 18719 pw.print(","); 18720 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18721 UserHandle.USER_SYSTEM)); 18722 } 18723 } else { 18724 pw.println(); 18725 pw.println("No Intent Filter Verifier available!"); 18726 } 18727 } 18728 18729 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18730 boolean printedHeader = false; 18731 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18732 while (it.hasNext()) { 18733 String name = it.next(); 18734 SharedLibraryEntry ent = mSharedLibraries.get(name); 18735 if (!checkin) { 18736 if (!printedHeader) { 18737 if (dumpState.onTitlePrinted()) 18738 pw.println(); 18739 pw.println("Libraries:"); 18740 printedHeader = true; 18741 } 18742 pw.print(" "); 18743 } else { 18744 pw.print("lib,"); 18745 } 18746 pw.print(name); 18747 if (!checkin) { 18748 pw.print(" -> "); 18749 } 18750 if (ent.path != null) { 18751 if (!checkin) { 18752 pw.print("(jar) "); 18753 pw.print(ent.path); 18754 } else { 18755 pw.print(",jar,"); 18756 pw.print(ent.path); 18757 } 18758 } else { 18759 if (!checkin) { 18760 pw.print("(apk) "); 18761 pw.print(ent.apk); 18762 } else { 18763 pw.print(",apk,"); 18764 pw.print(ent.apk); 18765 } 18766 } 18767 pw.println(); 18768 } 18769 } 18770 18771 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18772 if (dumpState.onTitlePrinted()) 18773 pw.println(); 18774 if (!checkin) { 18775 pw.println("Features:"); 18776 } 18777 18778 for (FeatureInfo feat : mAvailableFeatures.values()) { 18779 if (checkin) { 18780 pw.print("feat,"); 18781 pw.print(feat.name); 18782 pw.print(","); 18783 pw.println(feat.version); 18784 } else { 18785 pw.print(" "); 18786 pw.print(feat.name); 18787 if (feat.version > 0) { 18788 pw.print(" version="); 18789 pw.print(feat.version); 18790 } 18791 pw.println(); 18792 } 18793 } 18794 } 18795 18796 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18797 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18798 : "Activity Resolver Table:", " ", packageName, 18799 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18800 dumpState.setTitlePrinted(true); 18801 } 18802 } 18803 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18804 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18805 : "Receiver Resolver Table:", " ", packageName, 18806 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18807 dumpState.setTitlePrinted(true); 18808 } 18809 } 18810 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18811 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18812 : "Service Resolver Table:", " ", packageName, 18813 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18814 dumpState.setTitlePrinted(true); 18815 } 18816 } 18817 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18818 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18819 : "Provider Resolver Table:", " ", packageName, 18820 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18821 dumpState.setTitlePrinted(true); 18822 } 18823 } 18824 18825 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18826 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18827 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18828 int user = mSettings.mPreferredActivities.keyAt(i); 18829 if (pir.dump(pw, 18830 dumpState.getTitlePrinted() 18831 ? "\nPreferred Activities User " + user + ":" 18832 : "Preferred Activities User " + user + ":", " ", 18833 packageName, true, false)) { 18834 dumpState.setTitlePrinted(true); 18835 } 18836 } 18837 } 18838 18839 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18840 pw.flush(); 18841 FileOutputStream fout = new FileOutputStream(fd); 18842 BufferedOutputStream str = new BufferedOutputStream(fout); 18843 XmlSerializer serializer = new FastXmlSerializer(); 18844 try { 18845 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18846 serializer.startDocument(null, true); 18847 serializer.setFeature( 18848 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18849 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18850 serializer.endDocument(); 18851 serializer.flush(); 18852 } catch (IllegalArgumentException e) { 18853 pw.println("Failed writing: " + e); 18854 } catch (IllegalStateException e) { 18855 pw.println("Failed writing: " + e); 18856 } catch (IOException e) { 18857 pw.println("Failed writing: " + e); 18858 } 18859 } 18860 18861 if (!checkin 18862 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18863 && packageName == null) { 18864 pw.println(); 18865 int count = mSettings.mPackages.size(); 18866 if (count == 0) { 18867 pw.println("No applications!"); 18868 pw.println(); 18869 } else { 18870 final String prefix = " "; 18871 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18872 if (allPackageSettings.size() == 0) { 18873 pw.println("No domain preferred apps!"); 18874 pw.println(); 18875 } else { 18876 pw.println("App verification status:"); 18877 pw.println(); 18878 count = 0; 18879 for (PackageSetting ps : allPackageSettings) { 18880 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18881 if (ivi == null || ivi.getPackageName() == null) continue; 18882 pw.println(prefix + "Package: " + ivi.getPackageName()); 18883 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18884 pw.println(prefix + "Status: " + ivi.getStatusString()); 18885 pw.println(); 18886 count++; 18887 } 18888 if (count == 0) { 18889 pw.println(prefix + "No app verification established."); 18890 pw.println(); 18891 } 18892 for (int userId : sUserManager.getUserIds()) { 18893 pw.println("App linkages for user " + userId + ":"); 18894 pw.println(); 18895 count = 0; 18896 for (PackageSetting ps : allPackageSettings) { 18897 final long status = ps.getDomainVerificationStatusForUser(userId); 18898 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18899 continue; 18900 } 18901 pw.println(prefix + "Package: " + ps.name); 18902 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18903 String statusStr = IntentFilterVerificationInfo. 18904 getStatusStringFromValue(status); 18905 pw.println(prefix + "Status: " + statusStr); 18906 pw.println(); 18907 count++; 18908 } 18909 if (count == 0) { 18910 pw.println(prefix + "No configured app linkages."); 18911 pw.println(); 18912 } 18913 } 18914 } 18915 } 18916 } 18917 18918 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18919 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18920 if (packageName == null && permissionNames == null) { 18921 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18922 if (iperm == 0) { 18923 if (dumpState.onTitlePrinted()) 18924 pw.println(); 18925 pw.println("AppOp Permissions:"); 18926 } 18927 pw.print(" AppOp Permission "); 18928 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18929 pw.println(":"); 18930 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18931 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18932 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18933 } 18934 } 18935 } 18936 } 18937 18938 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18939 boolean printedSomething = false; 18940 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18941 if (packageName != null && !packageName.equals(p.info.packageName)) { 18942 continue; 18943 } 18944 if (!printedSomething) { 18945 if (dumpState.onTitlePrinted()) 18946 pw.println(); 18947 pw.println("Registered ContentProviders:"); 18948 printedSomething = true; 18949 } 18950 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18951 pw.print(" "); pw.println(p.toString()); 18952 } 18953 printedSomething = false; 18954 for (Map.Entry<String, PackageParser.Provider> entry : 18955 mProvidersByAuthority.entrySet()) { 18956 PackageParser.Provider p = entry.getValue(); 18957 if (packageName != null && !packageName.equals(p.info.packageName)) { 18958 continue; 18959 } 18960 if (!printedSomething) { 18961 if (dumpState.onTitlePrinted()) 18962 pw.println(); 18963 pw.println("ContentProvider Authorities:"); 18964 printedSomething = true; 18965 } 18966 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18967 pw.print(" "); pw.println(p.toString()); 18968 if (p.info != null && p.info.applicationInfo != null) { 18969 final String appInfo = p.info.applicationInfo.toString(); 18970 pw.print(" applicationInfo="); pw.println(appInfo); 18971 } 18972 } 18973 } 18974 18975 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18976 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18977 } 18978 18979 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18980 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18981 } 18982 18983 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18984 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18985 } 18986 18987 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18988 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18989 } 18990 18991 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18992 // XXX should handle packageName != null by dumping only install data that 18993 // the given package is involved with. 18994 if (dumpState.onTitlePrinted()) pw.println(); 18995 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18996 } 18997 18998 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18999 // XXX should handle packageName != null by dumping only install data that 19000 // the given package is involved with. 19001 if (dumpState.onTitlePrinted()) pw.println(); 19002 19003 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19004 ipw.println(); 19005 ipw.println("Frozen packages:"); 19006 ipw.increaseIndent(); 19007 if (mFrozenPackages.size() == 0) { 19008 ipw.println("(none)"); 19009 } else { 19010 for (int i = 0; i < mFrozenPackages.size(); i++) { 19011 ipw.println(mFrozenPackages.valueAt(i)); 19012 } 19013 } 19014 ipw.decreaseIndent(); 19015 } 19016 19017 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 19018 if (dumpState.onTitlePrinted()) pw.println(); 19019 dumpDexoptStateLPr(pw, packageName); 19020 } 19021 19022 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 19023 if (dumpState.onTitlePrinted()) pw.println(); 19024 dumpCompilerStatsLPr(pw, packageName); 19025 } 19026 19027 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 19028 if (dumpState.onTitlePrinted()) pw.println(); 19029 mSettings.dumpReadMessagesLPr(pw, dumpState); 19030 19031 pw.println(); 19032 pw.println("Package warning messages:"); 19033 BufferedReader in = null; 19034 String line = null; 19035 try { 19036 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19037 while ((line = in.readLine()) != null) { 19038 if (line.contains("ignored: updated version")) continue; 19039 pw.println(line); 19040 } 19041 } catch (IOException ignored) { 19042 } finally { 19043 IoUtils.closeQuietly(in); 19044 } 19045 } 19046 19047 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 19048 BufferedReader in = null; 19049 String line = null; 19050 try { 19051 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19052 while ((line = in.readLine()) != null) { 19053 if (line.contains("ignored: updated version")) continue; 19054 pw.print("msg,"); 19055 pw.println(line); 19056 } 19057 } catch (IOException ignored) { 19058 } finally { 19059 IoUtils.closeQuietly(in); 19060 } 19061 } 19062 } 19063 } 19064 19065 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 19066 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19067 ipw.println(); 19068 ipw.println("Dexopt state:"); 19069 ipw.increaseIndent(); 19070 Collection<PackageParser.Package> packages = null; 19071 if (packageName != null) { 19072 PackageParser.Package targetPackage = mPackages.get(packageName); 19073 if (targetPackage != null) { 19074 packages = Collections.singletonList(targetPackage); 19075 } else { 19076 ipw.println("Unable to find package: " + packageName); 19077 return; 19078 } 19079 } else { 19080 packages = mPackages.values(); 19081 } 19082 19083 for (PackageParser.Package pkg : packages) { 19084 ipw.println("[" + pkg.packageName + "]"); 19085 ipw.increaseIndent(); 19086 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 19087 ipw.decreaseIndent(); 19088 } 19089 } 19090 19091 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 19092 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19093 ipw.println(); 19094 ipw.println("Compiler stats:"); 19095 ipw.increaseIndent(); 19096 Collection<PackageParser.Package> packages = null; 19097 if (packageName != null) { 19098 PackageParser.Package targetPackage = mPackages.get(packageName); 19099 if (targetPackage != null) { 19100 packages = Collections.singletonList(targetPackage); 19101 } else { 19102 ipw.println("Unable to find package: " + packageName); 19103 return; 19104 } 19105 } else { 19106 packages = mPackages.values(); 19107 } 19108 19109 for (PackageParser.Package pkg : packages) { 19110 ipw.println("[" + pkg.packageName + "]"); 19111 ipw.increaseIndent(); 19112 19113 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 19114 if (stats == null) { 19115 ipw.println("(No recorded stats)"); 19116 } else { 19117 stats.dump(ipw); 19118 } 19119 ipw.decreaseIndent(); 19120 } 19121 } 19122 19123 private String dumpDomainString(String packageName) { 19124 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 19125 .getList(); 19126 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 19127 19128 ArraySet<String> result = new ArraySet<>(); 19129 if (iviList.size() > 0) { 19130 for (IntentFilterVerificationInfo ivi : iviList) { 19131 for (String host : ivi.getDomains()) { 19132 result.add(host); 19133 } 19134 } 19135 } 19136 if (filters != null && filters.size() > 0) { 19137 for (IntentFilter filter : filters) { 19138 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 19139 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 19140 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 19141 result.addAll(filter.getHostsList()); 19142 } 19143 } 19144 } 19145 19146 StringBuilder sb = new StringBuilder(result.size() * 16); 19147 for (String domain : result) { 19148 if (sb.length() > 0) sb.append(" "); 19149 sb.append(domain); 19150 } 19151 return sb.toString(); 19152 } 19153 19154 // ------- apps on sdcard specific code ------- 19155 static final boolean DEBUG_SD_INSTALL = false; 19156 19157 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 19158 19159 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 19160 19161 private boolean mMediaMounted = false; 19162 19163 static String getEncryptKey() { 19164 try { 19165 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 19166 SD_ENCRYPTION_KEYSTORE_NAME); 19167 if (sdEncKey == null) { 19168 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 19169 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 19170 if (sdEncKey == null) { 19171 Slog.e(TAG, "Failed to create encryption keys"); 19172 return null; 19173 } 19174 } 19175 return sdEncKey; 19176 } catch (NoSuchAlgorithmException nsae) { 19177 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 19178 return null; 19179 } catch (IOException ioe) { 19180 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 19181 return null; 19182 } 19183 } 19184 19185 /* 19186 * Update media status on PackageManager. 19187 */ 19188 @Override 19189 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 19190 int callingUid = Binder.getCallingUid(); 19191 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 19192 throw new SecurityException("Media status can only be updated by the system"); 19193 } 19194 // reader; this apparently protects mMediaMounted, but should probably 19195 // be a different lock in that case. 19196 synchronized (mPackages) { 19197 Log.i(TAG, "Updating external media status from " 19198 + (mMediaMounted ? "mounted" : "unmounted") + " to " 19199 + (mediaStatus ? "mounted" : "unmounted")); 19200 if (DEBUG_SD_INSTALL) 19201 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 19202 + ", mMediaMounted=" + mMediaMounted); 19203 if (mediaStatus == mMediaMounted) { 19204 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 19205 : 0, -1); 19206 mHandler.sendMessage(msg); 19207 return; 19208 } 19209 mMediaMounted = mediaStatus; 19210 } 19211 // Queue up an async operation since the package installation may take a 19212 // little while. 19213 mHandler.post(new Runnable() { 19214 public void run() { 19215 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 19216 } 19217 }); 19218 } 19219 19220 /** 19221 * Called by MountService when the initial ASECs to scan are available. 19222 * Should block until all the ASEC containers are finished being scanned. 19223 */ 19224 public void scanAvailableAsecs() { 19225 updateExternalMediaStatusInner(true, false, false); 19226 } 19227 19228 /* 19229 * Collect information of applications on external media, map them against 19230 * existing containers and update information based on current mount status. 19231 * Please note that we always have to report status if reportStatus has been 19232 * set to true especially when unloading packages. 19233 */ 19234 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 19235 boolean externalStorage) { 19236 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 19237 int[] uidArr = EmptyArray.INT; 19238 19239 final String[] list = PackageHelper.getSecureContainerList(); 19240 if (ArrayUtils.isEmpty(list)) { 19241 Log.i(TAG, "No secure containers found"); 19242 } else { 19243 // Process list of secure containers and categorize them 19244 // as active or stale based on their package internal state. 19245 19246 // reader 19247 synchronized (mPackages) { 19248 for (String cid : list) { 19249 // Leave stages untouched for now; installer service owns them 19250 if (PackageInstallerService.isStageName(cid)) continue; 19251 19252 if (DEBUG_SD_INSTALL) 19253 Log.i(TAG, "Processing container " + cid); 19254 String pkgName = getAsecPackageName(cid); 19255 if (pkgName == null) { 19256 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19257 continue; 19258 } 19259 if (DEBUG_SD_INSTALL) 19260 Log.i(TAG, "Looking for pkg : " + pkgName); 19261 19262 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19263 if (ps == null) { 19264 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19265 continue; 19266 } 19267 19268 /* 19269 * Skip packages that are not external if we're unmounting 19270 * external storage. 19271 */ 19272 if (externalStorage && !isMounted && !isExternal(ps)) { 19273 continue; 19274 } 19275 19276 final AsecInstallArgs args = new AsecInstallArgs(cid, 19277 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19278 // The package status is changed only if the code path 19279 // matches between settings and the container id. 19280 if (ps.codePathString != null 19281 && ps.codePathString.startsWith(args.getCodePath())) { 19282 if (DEBUG_SD_INSTALL) { 19283 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19284 + " at code path: " + ps.codePathString); 19285 } 19286 19287 // We do have a valid package installed on sdcard 19288 processCids.put(args, ps.codePathString); 19289 final int uid = ps.appId; 19290 if (uid != -1) { 19291 uidArr = ArrayUtils.appendInt(uidArr, uid); 19292 } 19293 } else { 19294 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19295 + ps.codePathString); 19296 } 19297 } 19298 } 19299 19300 Arrays.sort(uidArr); 19301 } 19302 19303 // Process packages with valid entries. 19304 if (isMounted) { 19305 if (DEBUG_SD_INSTALL) 19306 Log.i(TAG, "Loading packages"); 19307 loadMediaPackages(processCids, uidArr, externalStorage); 19308 startCleaningPackages(); 19309 mInstallerService.onSecureContainersAvailable(); 19310 } else { 19311 if (DEBUG_SD_INSTALL) 19312 Log.i(TAG, "Unloading packages"); 19313 unloadMediaPackages(processCids, uidArr, reportStatus); 19314 } 19315 } 19316 19317 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19318 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19319 final int size = infos.size(); 19320 final String[] packageNames = new String[size]; 19321 final int[] packageUids = new int[size]; 19322 for (int i = 0; i < size; i++) { 19323 final ApplicationInfo info = infos.get(i); 19324 packageNames[i] = info.packageName; 19325 packageUids[i] = info.uid; 19326 } 19327 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19328 finishedReceiver); 19329 } 19330 19331 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19332 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19333 sendResourcesChangedBroadcast(mediaStatus, replacing, 19334 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19335 } 19336 19337 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19338 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19339 int size = pkgList.length; 19340 if (size > 0) { 19341 // Send broadcasts here 19342 Bundle extras = new Bundle(); 19343 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19344 if (uidArr != null) { 19345 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19346 } 19347 if (replacing) { 19348 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19349 } 19350 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19351 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19352 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19353 } 19354 } 19355 19356 /* 19357 * Look at potentially valid container ids from processCids If package 19358 * information doesn't match the one on record or package scanning fails, 19359 * the cid is added to list of removeCids. We currently don't delete stale 19360 * containers. 19361 */ 19362 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19363 boolean externalStorage) { 19364 ArrayList<String> pkgList = new ArrayList<String>(); 19365 Set<AsecInstallArgs> keys = processCids.keySet(); 19366 19367 for (AsecInstallArgs args : keys) { 19368 String codePath = processCids.get(args); 19369 if (DEBUG_SD_INSTALL) 19370 Log.i(TAG, "Loading container : " + args.cid); 19371 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19372 try { 19373 // Make sure there are no container errors first. 19374 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19375 Slog.e(TAG, "Failed to mount cid : " + args.cid 19376 + " when installing from sdcard"); 19377 continue; 19378 } 19379 // Check code path here. 19380 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19381 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19382 + " does not match one in settings " + codePath); 19383 continue; 19384 } 19385 // Parse package 19386 int parseFlags = mDefParseFlags; 19387 if (args.isExternalAsec()) { 19388 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19389 } 19390 if (args.isFwdLocked()) { 19391 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19392 } 19393 19394 synchronized (mInstallLock) { 19395 PackageParser.Package pkg = null; 19396 try { 19397 // Sadly we don't know the package name yet to freeze it 19398 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19399 SCAN_IGNORE_FROZEN, 0, null); 19400 } catch (PackageManagerException e) { 19401 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19402 } 19403 // Scan the package 19404 if (pkg != null) { 19405 /* 19406 * TODO why is the lock being held? doPostInstall is 19407 * called in other places without the lock. This needs 19408 * to be straightened out. 19409 */ 19410 // writer 19411 synchronized (mPackages) { 19412 retCode = PackageManager.INSTALL_SUCCEEDED; 19413 pkgList.add(pkg.packageName); 19414 // Post process args 19415 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19416 pkg.applicationInfo.uid); 19417 } 19418 } else { 19419 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19420 } 19421 } 19422 19423 } finally { 19424 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19425 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19426 } 19427 } 19428 } 19429 // writer 19430 synchronized (mPackages) { 19431 // If the platform SDK has changed since the last time we booted, 19432 // we need to re-grant app permission to catch any new ones that 19433 // appear. This is really a hack, and means that apps can in some 19434 // cases get permissions that the user didn't initially explicitly 19435 // allow... it would be nice to have some better way to handle 19436 // this situation. 19437 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19438 : mSettings.getInternalVersion(); 19439 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19440 : StorageManager.UUID_PRIVATE_INTERNAL; 19441 19442 int updateFlags = UPDATE_PERMISSIONS_ALL; 19443 if (ver.sdkVersion != mSdkVersion) { 19444 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19445 + mSdkVersion + "; regranting permissions for external"); 19446 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19447 } 19448 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19449 19450 // Yay, everything is now upgraded 19451 ver.forceCurrent(); 19452 19453 // can downgrade to reader 19454 // Persist settings 19455 mSettings.writeLPr(); 19456 } 19457 // Send a broadcast to let everyone know we are done processing 19458 if (pkgList.size() > 0) { 19459 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19460 } 19461 } 19462 19463 /* 19464 * Utility method to unload a list of specified containers 19465 */ 19466 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19467 // Just unmount all valid containers. 19468 for (AsecInstallArgs arg : cidArgs) { 19469 synchronized (mInstallLock) { 19470 arg.doPostDeleteLI(false); 19471 } 19472 } 19473 } 19474 19475 /* 19476 * Unload packages mounted on external media. This involves deleting package 19477 * data from internal structures, sending broadcasts about disabled packages, 19478 * gc'ing to free up references, unmounting all secure containers 19479 * corresponding to packages on external media, and posting a 19480 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19481 * that we always have to post this message if status has been requested no 19482 * matter what. 19483 */ 19484 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19485 final boolean reportStatus) { 19486 if (DEBUG_SD_INSTALL) 19487 Log.i(TAG, "unloading media packages"); 19488 ArrayList<String> pkgList = new ArrayList<String>(); 19489 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19490 final Set<AsecInstallArgs> keys = processCids.keySet(); 19491 for (AsecInstallArgs args : keys) { 19492 String pkgName = args.getPackageName(); 19493 if (DEBUG_SD_INSTALL) 19494 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19495 // Delete package internally 19496 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19497 synchronized (mInstallLock) { 19498 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19499 final boolean res; 19500 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19501 "unloadMediaPackages")) { 19502 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19503 null); 19504 } 19505 if (res) { 19506 pkgList.add(pkgName); 19507 } else { 19508 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19509 failedList.add(args); 19510 } 19511 } 19512 } 19513 19514 // reader 19515 synchronized (mPackages) { 19516 // We didn't update the settings after removing each package; 19517 // write them now for all packages. 19518 mSettings.writeLPr(); 19519 } 19520 19521 // We have to absolutely send UPDATED_MEDIA_STATUS only 19522 // after confirming that all the receivers processed the ordered 19523 // broadcast when packages get disabled, force a gc to clean things up. 19524 // and unload all the containers. 19525 if (pkgList.size() > 0) { 19526 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19527 new IIntentReceiver.Stub() { 19528 public void performReceive(Intent intent, int resultCode, String data, 19529 Bundle extras, boolean ordered, boolean sticky, 19530 int sendingUser) throws RemoteException { 19531 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19532 reportStatus ? 1 : 0, 1, keys); 19533 mHandler.sendMessage(msg); 19534 } 19535 }); 19536 } else { 19537 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19538 keys); 19539 mHandler.sendMessage(msg); 19540 } 19541 } 19542 19543 private void loadPrivatePackages(final VolumeInfo vol) { 19544 mHandler.post(new Runnable() { 19545 @Override 19546 public void run() { 19547 loadPrivatePackagesInner(vol); 19548 } 19549 }); 19550 } 19551 19552 private void loadPrivatePackagesInner(VolumeInfo vol) { 19553 final String volumeUuid = vol.fsUuid; 19554 if (TextUtils.isEmpty(volumeUuid)) { 19555 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19556 return; 19557 } 19558 19559 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19560 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19561 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19562 19563 final VersionInfo ver; 19564 final List<PackageSetting> packages; 19565 synchronized (mPackages) { 19566 ver = mSettings.findOrCreateVersion(volumeUuid); 19567 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19568 } 19569 19570 for (PackageSetting ps : packages) { 19571 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19572 synchronized (mInstallLock) { 19573 final PackageParser.Package pkg; 19574 try { 19575 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19576 loaded.add(pkg.applicationInfo); 19577 19578 } catch (PackageManagerException e) { 19579 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19580 } 19581 19582 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19583 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19584 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19585 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19586 } 19587 } 19588 } 19589 19590 // Reconcile app data for all started/unlocked users 19591 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19592 final UserManager um = mContext.getSystemService(UserManager.class); 19593 UserManagerInternal umInternal = getUserManagerInternal(); 19594 for (UserInfo user : um.getUsers()) { 19595 final int flags; 19596 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19597 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19598 } else if (umInternal.isUserRunning(user.id)) { 19599 flags = StorageManager.FLAG_STORAGE_DE; 19600 } else { 19601 continue; 19602 } 19603 19604 try { 19605 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19606 synchronized (mInstallLock) { 19607 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 19608 } 19609 } catch (IllegalStateException e) { 19610 // Device was probably ejected, and we'll process that event momentarily 19611 Slog.w(TAG, "Failed to prepare storage: " + e); 19612 } 19613 } 19614 19615 synchronized (mPackages) { 19616 int updateFlags = UPDATE_PERMISSIONS_ALL; 19617 if (ver.sdkVersion != mSdkVersion) { 19618 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19619 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19620 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19621 } 19622 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19623 19624 // Yay, everything is now upgraded 19625 ver.forceCurrent(); 19626 19627 mSettings.writeLPr(); 19628 } 19629 19630 for (PackageFreezer freezer : freezers) { 19631 freezer.close(); 19632 } 19633 19634 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19635 sendResourcesChangedBroadcast(true, false, loaded, null); 19636 } 19637 19638 private void unloadPrivatePackages(final VolumeInfo vol) { 19639 mHandler.post(new Runnable() { 19640 @Override 19641 public void run() { 19642 unloadPrivatePackagesInner(vol); 19643 } 19644 }); 19645 } 19646 19647 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19648 final String volumeUuid = vol.fsUuid; 19649 if (TextUtils.isEmpty(volumeUuid)) { 19650 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19651 return; 19652 } 19653 19654 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19655 synchronized (mInstallLock) { 19656 synchronized (mPackages) { 19657 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19658 for (PackageSetting ps : packages) { 19659 if (ps.pkg == null) continue; 19660 19661 final ApplicationInfo info = ps.pkg.applicationInfo; 19662 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19663 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19664 19665 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19666 "unloadPrivatePackagesInner")) { 19667 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19668 false, null)) { 19669 unloaded.add(info); 19670 } else { 19671 Slog.w(TAG, "Failed to unload " + ps.codePath); 19672 } 19673 } 19674 19675 // Try very hard to release any references to this package 19676 // so we don't risk the system server being killed due to 19677 // open FDs 19678 AttributeCache.instance().removePackage(ps.name); 19679 } 19680 19681 mSettings.writeLPr(); 19682 } 19683 } 19684 19685 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19686 sendResourcesChangedBroadcast(false, false, unloaded, null); 19687 19688 // Try very hard to release any references to this path so we don't risk 19689 // the system server being killed due to open FDs 19690 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19691 19692 for (int i = 0; i < 3; i++) { 19693 System.gc(); 19694 System.runFinalization(); 19695 } 19696 } 19697 19698 /** 19699 * Prepare storage areas for given user on all mounted devices. 19700 */ 19701 void prepareUserData(int userId, int userSerial, int flags) { 19702 synchronized (mInstallLock) { 19703 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19704 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19705 final String volumeUuid = vol.getFsUuid(); 19706 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19707 } 19708 } 19709 } 19710 19711 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19712 boolean allowRecover) { 19713 // Prepare storage and verify that serial numbers are consistent; if 19714 // there's a mismatch we need to destroy to avoid leaking data 19715 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19716 try { 19717 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19718 19719 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19720 UserManagerService.enforceSerialNumber( 19721 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19722 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19723 UserManagerService.enforceSerialNumber( 19724 Environment.getDataSystemDeDirectory(userId), userSerial); 19725 } 19726 } 19727 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19728 UserManagerService.enforceSerialNumber( 19729 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19730 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19731 UserManagerService.enforceSerialNumber( 19732 Environment.getDataSystemCeDirectory(userId), userSerial); 19733 } 19734 } 19735 19736 synchronized (mInstallLock) { 19737 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19738 } 19739 } catch (Exception e) { 19740 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19741 + " because we failed to prepare: " + e); 19742 destroyUserDataLI(volumeUuid, userId, 19743 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19744 19745 if (allowRecover) { 19746 // Try one last time; if we fail again we're really in trouble 19747 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19748 } 19749 } 19750 } 19751 19752 /** 19753 * Destroy storage areas for given user on all mounted devices. 19754 */ 19755 void destroyUserData(int userId, int flags) { 19756 synchronized (mInstallLock) { 19757 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19758 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19759 final String volumeUuid = vol.getFsUuid(); 19760 destroyUserDataLI(volumeUuid, userId, flags); 19761 } 19762 } 19763 } 19764 19765 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19766 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19767 try { 19768 // Clean up app data, profile data, and media data 19769 mInstaller.destroyUserData(volumeUuid, userId, flags); 19770 19771 // Clean up system data 19772 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19773 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19774 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19775 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19776 } 19777 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19778 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19779 } 19780 } 19781 19782 // Data with special labels is now gone, so finish the job 19783 storage.destroyUserStorage(volumeUuid, userId, flags); 19784 19785 } catch (Exception e) { 19786 logCriticalInfo(Log.WARN, 19787 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19788 } 19789 } 19790 19791 /** 19792 * Examine all users present on given mounted volume, and destroy data 19793 * belonging to users that are no longer valid, or whose user ID has been 19794 * recycled. 19795 */ 19796 private void reconcileUsers(String volumeUuid) { 19797 final List<File> files = new ArrayList<>(); 19798 Collections.addAll(files, FileUtils 19799 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19800 Collections.addAll(files, FileUtils 19801 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19802 Collections.addAll(files, FileUtils 19803 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19804 Collections.addAll(files, FileUtils 19805 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19806 for (File file : files) { 19807 if (!file.isDirectory()) continue; 19808 19809 final int userId; 19810 final UserInfo info; 19811 try { 19812 userId = Integer.parseInt(file.getName()); 19813 info = sUserManager.getUserInfo(userId); 19814 } catch (NumberFormatException e) { 19815 Slog.w(TAG, "Invalid user directory " + file); 19816 continue; 19817 } 19818 19819 boolean destroyUser = false; 19820 if (info == null) { 19821 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19822 + " because no matching user was found"); 19823 destroyUser = true; 19824 } else if (!mOnlyCore) { 19825 try { 19826 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19827 } catch (IOException e) { 19828 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19829 + " because we failed to enforce serial number: " + e); 19830 destroyUser = true; 19831 } 19832 } 19833 19834 if (destroyUser) { 19835 synchronized (mInstallLock) { 19836 destroyUserDataLI(volumeUuid, userId, 19837 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19838 } 19839 } 19840 } 19841 } 19842 19843 private void assertPackageKnown(String volumeUuid, String packageName) 19844 throws PackageManagerException { 19845 synchronized (mPackages) { 19846 final PackageSetting ps = mSettings.mPackages.get(packageName); 19847 if (ps == null) { 19848 throw new PackageManagerException("Package " + packageName + " is unknown"); 19849 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19850 throw new PackageManagerException( 19851 "Package " + packageName + " found on unknown volume " + volumeUuid 19852 + "; expected volume " + ps.volumeUuid); 19853 } 19854 } 19855 } 19856 19857 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19858 throws PackageManagerException { 19859 synchronized (mPackages) { 19860 final PackageSetting ps = mSettings.mPackages.get(packageName); 19861 if (ps == null) { 19862 throw new PackageManagerException("Package " + packageName + " is unknown"); 19863 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19864 throw new PackageManagerException( 19865 "Package " + packageName + " found on unknown volume " + volumeUuid 19866 + "; expected volume " + ps.volumeUuid); 19867 } else if (!ps.getInstalled(userId)) { 19868 throw new PackageManagerException( 19869 "Package " + packageName + " not installed for user " + userId); 19870 } 19871 } 19872 } 19873 19874 /** 19875 * Examine all apps present on given mounted volume, and destroy apps that 19876 * aren't expected, either due to uninstallation or reinstallation on 19877 * another volume. 19878 */ 19879 private void reconcileApps(String volumeUuid) { 19880 final File[] files = FileUtils 19881 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19882 for (File file : files) { 19883 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19884 && !PackageInstallerService.isStageName(file.getName()); 19885 if (!isPackage) { 19886 // Ignore entries which are not packages 19887 continue; 19888 } 19889 19890 try { 19891 final PackageLite pkg = PackageParser.parsePackageLite(file, 19892 PackageParser.PARSE_MUST_BE_APK); 19893 assertPackageKnown(volumeUuid, pkg.packageName); 19894 19895 } catch (PackageParserException | PackageManagerException e) { 19896 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19897 synchronized (mInstallLock) { 19898 removeCodePathLI(file); 19899 } 19900 } 19901 } 19902 } 19903 19904 /** 19905 * Reconcile all app data for the given user. 19906 * <p> 19907 * Verifies that directories exist and that ownership and labeling is 19908 * correct for all installed apps on all mounted volumes. 19909 */ 19910 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 19911 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19912 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19913 final String volumeUuid = vol.getFsUuid(); 19914 synchronized (mInstallLock) { 19915 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 19916 } 19917 } 19918 } 19919 19920 /** 19921 * Reconcile all app data on given mounted volume. 19922 * <p> 19923 * Destroys app data that isn't expected, either due to uninstallation or 19924 * reinstallation on another volume. 19925 * <p> 19926 * Verifies that directories exist and that ownership and labeling is 19927 * correct for all installed apps. 19928 */ 19929 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 19930 boolean migrateAppData) { 19931 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19932 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 19933 19934 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19935 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19936 19937 // First look for stale data that doesn't belong, and check if things 19938 // have changed since we did our last restorecon 19939 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19940 if (StorageManager.isFileEncryptedNativeOrEmulated() 19941 && !StorageManager.isUserKeyUnlocked(userId)) { 19942 throw new RuntimeException( 19943 "Yikes, someone asked us to reconcile CE storage while " + userId 19944 + " was still locked; this would have caused massive data loss!"); 19945 } 19946 19947 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19948 for (File file : files) { 19949 final String packageName = file.getName(); 19950 try { 19951 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19952 } catch (PackageManagerException e) { 19953 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19954 try { 19955 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19956 StorageManager.FLAG_STORAGE_CE, 0); 19957 } catch (InstallerException e2) { 19958 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19959 } 19960 } 19961 } 19962 } 19963 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19964 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19965 for (File file : files) { 19966 final String packageName = file.getName(); 19967 try { 19968 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19969 } catch (PackageManagerException e) { 19970 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19971 try { 19972 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19973 StorageManager.FLAG_STORAGE_DE, 0); 19974 } catch (InstallerException e2) { 19975 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19976 } 19977 } 19978 } 19979 } 19980 19981 // Ensure that data directories are ready to roll for all packages 19982 // installed for this volume and user 19983 final List<PackageSetting> packages; 19984 synchronized (mPackages) { 19985 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19986 } 19987 int preparedCount = 0; 19988 for (PackageSetting ps : packages) { 19989 final String packageName = ps.name; 19990 if (ps.pkg == null) { 19991 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19992 // TODO: might be due to legacy ASEC apps; we should circle back 19993 // and reconcile again once they're scanned 19994 continue; 19995 } 19996 19997 if (ps.getInstalled(userId)) { 19998 prepareAppDataLIF(ps.pkg, userId, flags); 19999 20000 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 20001 // We may have just shuffled around app data directories, so 20002 // prepare them one more time 20003 prepareAppDataLIF(ps.pkg, userId, flags); 20004 } 20005 20006 preparedCount++; 20007 } 20008 } 20009 20010 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 20011 } 20012 20013 /** 20014 * Prepare app data for the given app just after it was installed or 20015 * upgraded. This method carefully only touches users that it's installed 20016 * for, and it forces a restorecon to handle any seinfo changes. 20017 * <p> 20018 * Verifies that directories exist and that ownership and labeling is 20019 * correct for all installed apps. If there is an ownership mismatch, it 20020 * will try recovering system apps by wiping data; third-party app data is 20021 * left intact. 20022 * <p> 20023 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 20024 */ 20025 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 20026 final PackageSetting ps; 20027 synchronized (mPackages) { 20028 ps = mSettings.mPackages.get(pkg.packageName); 20029 mSettings.writeKernelMappingLPr(ps); 20030 } 20031 20032 final UserManager um = mContext.getSystemService(UserManager.class); 20033 UserManagerInternal umInternal = getUserManagerInternal(); 20034 for (UserInfo user : um.getUsers()) { 20035 final int flags; 20036 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 20037 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 20038 } else if (umInternal.isUserRunning(user.id)) { 20039 flags = StorageManager.FLAG_STORAGE_DE; 20040 } else { 20041 continue; 20042 } 20043 20044 if (ps.getInstalled(user.id)) { 20045 // TODO: when user data is locked, mark that we're still dirty 20046 prepareAppDataLIF(pkg, user.id, flags); 20047 } 20048 } 20049 } 20050 20051 /** 20052 * Prepare app data for the given app. 20053 * <p> 20054 * Verifies that directories exist and that ownership and labeling is 20055 * correct for all installed apps. If there is an ownership mismatch, this 20056 * will try recovering system apps by wiping data; third-party app data is 20057 * left intact. 20058 */ 20059 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 20060 if (pkg == null) { 20061 Slog.wtf(TAG, "Package was null!", new Throwable()); 20062 return; 20063 } 20064 prepareAppDataLeafLIF(pkg, userId, flags); 20065 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20066 for (int i = 0; i < childCount; i++) { 20067 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 20068 } 20069 } 20070 20071 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20072 if (DEBUG_APP_DATA) { 20073 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 20074 + Integer.toHexString(flags)); 20075 } 20076 20077 final String volumeUuid = pkg.volumeUuid; 20078 final String packageName = pkg.packageName; 20079 final ApplicationInfo app = pkg.applicationInfo; 20080 final int appId = UserHandle.getAppId(app.uid); 20081 20082 Preconditions.checkNotNull(app.seinfo); 20083 20084 try { 20085 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20086 appId, app.seinfo, app.targetSdkVersion); 20087 } catch (InstallerException e) { 20088 if (app.isSystemApp()) { 20089 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 20090 + ", but trying to recover: " + e); 20091 destroyAppDataLeafLIF(pkg, userId, flags); 20092 try { 20093 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20094 appId, app.seinfo, app.targetSdkVersion); 20095 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 20096 } catch (InstallerException e2) { 20097 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 20098 } 20099 } else { 20100 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 20101 } 20102 } 20103 20104 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20105 try { 20106 // CE storage is unlocked right now, so read out the inode and 20107 // remember for use later when it's locked 20108 // TODO: mark this structure as dirty so we persist it! 20109 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 20110 StorageManager.FLAG_STORAGE_CE); 20111 synchronized (mPackages) { 20112 final PackageSetting ps = mSettings.mPackages.get(packageName); 20113 if (ps != null) { 20114 ps.setCeDataInode(ceDataInode, userId); 20115 } 20116 } 20117 } catch (InstallerException e) { 20118 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 20119 } 20120 } 20121 20122 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20123 } 20124 20125 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 20126 if (pkg == null) { 20127 Slog.wtf(TAG, "Package was null!", new Throwable()); 20128 return; 20129 } 20130 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20131 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20132 for (int i = 0; i < childCount; i++) { 20133 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 20134 } 20135 } 20136 20137 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20138 final String volumeUuid = pkg.volumeUuid; 20139 final String packageName = pkg.packageName; 20140 final ApplicationInfo app = pkg.applicationInfo; 20141 20142 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20143 // Create a native library symlink only if we have native libraries 20144 // and if the native libraries are 32 bit libraries. We do not provide 20145 // this symlink for 64 bit libraries. 20146 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 20147 final String nativeLibPath = app.nativeLibraryDir; 20148 try { 20149 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 20150 nativeLibPath, userId); 20151 } catch (InstallerException e) { 20152 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 20153 } 20154 } 20155 } 20156 } 20157 20158 /** 20159 * For system apps on non-FBE devices, this method migrates any existing 20160 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 20161 * requested by the app. 20162 */ 20163 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 20164 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 20165 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 20166 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 20167 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 20168 try { 20169 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 20170 storageTarget); 20171 } catch (InstallerException e) { 20172 logCriticalInfo(Log.WARN, 20173 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 20174 } 20175 return true; 20176 } else { 20177 return false; 20178 } 20179 } 20180 20181 public PackageFreezer freezePackage(String packageName, String killReason) { 20182 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 20183 } 20184 20185 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 20186 return new PackageFreezer(packageName, userId, killReason); 20187 } 20188 20189 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 20190 String killReason) { 20191 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 20192 } 20193 20194 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 20195 String killReason) { 20196 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 20197 return new PackageFreezer(); 20198 } else { 20199 return freezePackage(packageName, userId, killReason); 20200 } 20201 } 20202 20203 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 20204 String killReason) { 20205 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 20206 } 20207 20208 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 20209 String killReason) { 20210 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 20211 return new PackageFreezer(); 20212 } else { 20213 return freezePackage(packageName, userId, killReason); 20214 } 20215 } 20216 20217 /** 20218 * Class that freezes and kills the given package upon creation, and 20219 * unfreezes it upon closing. This is typically used when doing surgery on 20220 * app code/data to prevent the app from running while you're working. 20221 */ 20222 private class PackageFreezer implements AutoCloseable { 20223 private final String mPackageName; 20224 private final PackageFreezer[] mChildren; 20225 20226 private final boolean mWeFroze; 20227 20228 private final AtomicBoolean mClosed = new AtomicBoolean(); 20229 private final CloseGuard mCloseGuard = CloseGuard.get(); 20230 20231 /** 20232 * Create and return a stub freezer that doesn't actually do anything, 20233 * typically used when someone requested 20234 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20235 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20236 */ 20237 public PackageFreezer() { 20238 mPackageName = null; 20239 mChildren = null; 20240 mWeFroze = false; 20241 mCloseGuard.open("close"); 20242 } 20243 20244 public PackageFreezer(String packageName, int userId, String killReason) { 20245 synchronized (mPackages) { 20246 mPackageName = packageName; 20247 mWeFroze = mFrozenPackages.add(mPackageName); 20248 20249 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20250 if (ps != null) { 20251 killApplication(ps.name, ps.appId, userId, killReason); 20252 } 20253 20254 final PackageParser.Package p = mPackages.get(packageName); 20255 if (p != null && p.childPackages != null) { 20256 final int N = p.childPackages.size(); 20257 mChildren = new PackageFreezer[N]; 20258 for (int i = 0; i < N; i++) { 20259 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20260 userId, killReason); 20261 } 20262 } else { 20263 mChildren = null; 20264 } 20265 } 20266 mCloseGuard.open("close"); 20267 } 20268 20269 @Override 20270 protected void finalize() throws Throwable { 20271 try { 20272 mCloseGuard.warnIfOpen(); 20273 close(); 20274 } finally { 20275 super.finalize(); 20276 } 20277 } 20278 20279 @Override 20280 public void close() { 20281 mCloseGuard.close(); 20282 if (mClosed.compareAndSet(false, true)) { 20283 synchronized (mPackages) { 20284 if (mWeFroze) { 20285 mFrozenPackages.remove(mPackageName); 20286 } 20287 20288 if (mChildren != null) { 20289 for (PackageFreezer freezer : mChildren) { 20290 freezer.close(); 20291 } 20292 } 20293 } 20294 } 20295 } 20296 } 20297 20298 /** 20299 * Verify that given package is currently frozen. 20300 */ 20301 private void checkPackageFrozen(String packageName) { 20302 synchronized (mPackages) { 20303 if (!mFrozenPackages.contains(packageName)) { 20304 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20305 } 20306 } 20307 } 20308 20309 @Override 20310 public int movePackage(final String packageName, final String volumeUuid) { 20311 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20312 20313 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20314 final int moveId = mNextMoveId.getAndIncrement(); 20315 mHandler.post(new Runnable() { 20316 @Override 20317 public void run() { 20318 try { 20319 movePackageInternal(packageName, volumeUuid, moveId, user); 20320 } catch (PackageManagerException e) { 20321 Slog.w(TAG, "Failed to move " + packageName, e); 20322 mMoveCallbacks.notifyStatusChanged(moveId, 20323 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20324 } 20325 } 20326 }); 20327 return moveId; 20328 } 20329 20330 private void movePackageInternal(final String packageName, final String volumeUuid, 20331 final int moveId, UserHandle user) throws PackageManagerException { 20332 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20333 final PackageManager pm = mContext.getPackageManager(); 20334 20335 final boolean currentAsec; 20336 final String currentVolumeUuid; 20337 final File codeFile; 20338 final String installerPackageName; 20339 final String packageAbiOverride; 20340 final int appId; 20341 final String seinfo; 20342 final String label; 20343 final int targetSdkVersion; 20344 final PackageFreezer freezer; 20345 final int[] installedUserIds; 20346 20347 // reader 20348 synchronized (mPackages) { 20349 final PackageParser.Package pkg = mPackages.get(packageName); 20350 final PackageSetting ps = mSettings.mPackages.get(packageName); 20351 if (pkg == null || ps == null) { 20352 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20353 } 20354 20355 if (pkg.applicationInfo.isSystemApp()) { 20356 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20357 "Cannot move system application"); 20358 } 20359 20360 if (pkg.applicationInfo.isExternalAsec()) { 20361 currentAsec = true; 20362 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20363 } else if (pkg.applicationInfo.isForwardLocked()) { 20364 currentAsec = true; 20365 currentVolumeUuid = "forward_locked"; 20366 } else { 20367 currentAsec = false; 20368 currentVolumeUuid = ps.volumeUuid; 20369 20370 final File probe = new File(pkg.codePath); 20371 final File probeOat = new File(probe, "oat"); 20372 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20373 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20374 "Move only supported for modern cluster style installs"); 20375 } 20376 } 20377 20378 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20379 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20380 "Package already moved to " + volumeUuid); 20381 } 20382 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20383 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20384 "Device admin cannot be moved"); 20385 } 20386 20387 if (mFrozenPackages.contains(packageName)) { 20388 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20389 "Failed to move already frozen package"); 20390 } 20391 20392 codeFile = new File(pkg.codePath); 20393 installerPackageName = ps.installerPackageName; 20394 packageAbiOverride = ps.cpuAbiOverrideString; 20395 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20396 seinfo = pkg.applicationInfo.seinfo; 20397 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20398 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20399 freezer = freezePackage(packageName, "movePackageInternal"); 20400 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20401 } 20402 20403 final Bundle extras = new Bundle(); 20404 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20405 extras.putString(Intent.EXTRA_TITLE, label); 20406 mMoveCallbacks.notifyCreated(moveId, extras); 20407 20408 int installFlags; 20409 final boolean moveCompleteApp; 20410 final File measurePath; 20411 20412 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20413 installFlags = INSTALL_INTERNAL; 20414 moveCompleteApp = !currentAsec; 20415 measurePath = Environment.getDataAppDirectory(volumeUuid); 20416 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20417 installFlags = INSTALL_EXTERNAL; 20418 moveCompleteApp = false; 20419 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20420 } else { 20421 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20422 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20423 || !volume.isMountedWritable()) { 20424 freezer.close(); 20425 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20426 "Move location not mounted private volume"); 20427 } 20428 20429 Preconditions.checkState(!currentAsec); 20430 20431 installFlags = INSTALL_INTERNAL; 20432 moveCompleteApp = true; 20433 measurePath = Environment.getDataAppDirectory(volumeUuid); 20434 } 20435 20436 final PackageStats stats = new PackageStats(null, -1); 20437 synchronized (mInstaller) { 20438 for (int userId : installedUserIds) { 20439 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20440 freezer.close(); 20441 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20442 "Failed to measure package size"); 20443 } 20444 } 20445 } 20446 20447 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20448 + stats.dataSize); 20449 20450 final long startFreeBytes = measurePath.getFreeSpace(); 20451 final long sizeBytes; 20452 if (moveCompleteApp) { 20453 sizeBytes = stats.codeSize + stats.dataSize; 20454 } else { 20455 sizeBytes = stats.codeSize; 20456 } 20457 20458 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20459 freezer.close(); 20460 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20461 "Not enough free space to move"); 20462 } 20463 20464 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20465 20466 final CountDownLatch installedLatch = new CountDownLatch(1); 20467 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20468 @Override 20469 public void onUserActionRequired(Intent intent) throws RemoteException { 20470 throw new IllegalStateException(); 20471 } 20472 20473 @Override 20474 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20475 Bundle extras) throws RemoteException { 20476 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20477 + PackageManager.installStatusToString(returnCode, msg)); 20478 20479 installedLatch.countDown(); 20480 freezer.close(); 20481 20482 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20483 switch (status) { 20484 case PackageInstaller.STATUS_SUCCESS: 20485 mMoveCallbacks.notifyStatusChanged(moveId, 20486 PackageManager.MOVE_SUCCEEDED); 20487 break; 20488 case PackageInstaller.STATUS_FAILURE_STORAGE: 20489 mMoveCallbacks.notifyStatusChanged(moveId, 20490 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20491 break; 20492 default: 20493 mMoveCallbacks.notifyStatusChanged(moveId, 20494 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20495 break; 20496 } 20497 } 20498 }; 20499 20500 final MoveInfo move; 20501 if (moveCompleteApp) { 20502 // Kick off a thread to report progress estimates 20503 new Thread() { 20504 @Override 20505 public void run() { 20506 while (true) { 20507 try { 20508 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20509 break; 20510 } 20511 } catch (InterruptedException ignored) { 20512 } 20513 20514 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20515 final int progress = 10 + (int) MathUtils.constrain( 20516 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20517 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20518 } 20519 } 20520 }.start(); 20521 20522 final String dataAppName = codeFile.getName(); 20523 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20524 dataAppName, appId, seinfo, targetSdkVersion); 20525 } else { 20526 move = null; 20527 } 20528 20529 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20530 20531 final Message msg = mHandler.obtainMessage(INIT_COPY); 20532 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20533 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20534 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20535 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20536 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20537 msg.obj = params; 20538 20539 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20540 System.identityHashCode(msg.obj)); 20541 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20542 System.identityHashCode(msg.obj)); 20543 20544 mHandler.sendMessage(msg); 20545 } 20546 20547 @Override 20548 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20549 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20550 20551 final int realMoveId = mNextMoveId.getAndIncrement(); 20552 final Bundle extras = new Bundle(); 20553 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20554 mMoveCallbacks.notifyCreated(realMoveId, extras); 20555 20556 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20557 @Override 20558 public void onCreated(int moveId, Bundle extras) { 20559 // Ignored 20560 } 20561 20562 @Override 20563 public void onStatusChanged(int moveId, int status, long estMillis) { 20564 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20565 } 20566 }; 20567 20568 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20569 storage.setPrimaryStorageUuid(volumeUuid, callback); 20570 return realMoveId; 20571 } 20572 20573 @Override 20574 public int getMoveStatus(int moveId) { 20575 mContext.enforceCallingOrSelfPermission( 20576 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20577 return mMoveCallbacks.mLastStatus.get(moveId); 20578 } 20579 20580 @Override 20581 public void registerMoveCallback(IPackageMoveObserver callback) { 20582 mContext.enforceCallingOrSelfPermission( 20583 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20584 mMoveCallbacks.register(callback); 20585 } 20586 20587 @Override 20588 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20589 mContext.enforceCallingOrSelfPermission( 20590 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20591 mMoveCallbacks.unregister(callback); 20592 } 20593 20594 @Override 20595 public boolean setInstallLocation(int loc) { 20596 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20597 null); 20598 if (getInstallLocation() == loc) { 20599 return true; 20600 } 20601 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20602 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20603 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20604 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20605 return true; 20606 } 20607 return false; 20608 } 20609 20610 @Override 20611 public int getInstallLocation() { 20612 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20613 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20614 PackageHelper.APP_INSTALL_AUTO); 20615 } 20616 20617 /** Called by UserManagerService */ 20618 void cleanUpUser(UserManagerService userManager, int userHandle) { 20619 synchronized (mPackages) { 20620 mDirtyUsers.remove(userHandle); 20621 mUserNeedsBadging.delete(userHandle); 20622 mSettings.removeUserLPw(userHandle); 20623 mPendingBroadcasts.remove(userHandle); 20624 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20625 removeUnusedPackagesLPw(userManager, userHandle); 20626 } 20627 } 20628 20629 /** 20630 * We're removing userHandle and would like to remove any downloaded packages 20631 * that are no longer in use by any other user. 20632 * @param userHandle the user being removed 20633 */ 20634 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20635 final boolean DEBUG_CLEAN_APKS = false; 20636 int [] users = userManager.getUserIds(); 20637 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20638 while (psit.hasNext()) { 20639 PackageSetting ps = psit.next(); 20640 if (ps.pkg == null) { 20641 continue; 20642 } 20643 final String packageName = ps.pkg.packageName; 20644 // Skip over if system app 20645 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20646 continue; 20647 } 20648 if (DEBUG_CLEAN_APKS) { 20649 Slog.i(TAG, "Checking package " + packageName); 20650 } 20651 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20652 if (keep) { 20653 if (DEBUG_CLEAN_APKS) { 20654 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20655 } 20656 } else { 20657 for (int i = 0; i < users.length; i++) { 20658 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20659 keep = true; 20660 if (DEBUG_CLEAN_APKS) { 20661 Slog.i(TAG, " Keeping package " + packageName + " for user " 20662 + users[i]); 20663 } 20664 break; 20665 } 20666 } 20667 } 20668 if (!keep) { 20669 if (DEBUG_CLEAN_APKS) { 20670 Slog.i(TAG, " Removing package " + packageName); 20671 } 20672 mHandler.post(new Runnable() { 20673 public void run() { 20674 deletePackageX(packageName, userHandle, 0); 20675 } //end run 20676 }); 20677 } 20678 } 20679 } 20680 20681 /** Called by UserManagerService */ 20682 void createNewUser(int userId) { 20683 synchronized (mInstallLock) { 20684 mSettings.createNewUserLI(this, mInstaller, userId); 20685 } 20686 synchronized (mPackages) { 20687 scheduleWritePackageRestrictionsLocked(userId); 20688 scheduleWritePackageListLocked(userId); 20689 applyFactoryDefaultBrowserLPw(userId); 20690 primeDomainVerificationsLPw(userId); 20691 } 20692 } 20693 20694 void onNewUserCreated(final int userId) { 20695 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20696 // If permission review for legacy apps is required, we represent 20697 // dagerous permissions for such apps as always granted runtime 20698 // permissions to keep per user flag state whether review is needed. 20699 // Hence, if a new user is added we have to propagate dangerous 20700 // permission grants for these legacy apps. 20701 if (mPermissionReviewRequired) { 20702 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20703 | UPDATE_PERMISSIONS_REPLACE_ALL); 20704 } 20705 } 20706 20707 @Override 20708 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20709 mContext.enforceCallingOrSelfPermission( 20710 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20711 "Only package verification agents can read the verifier device identity"); 20712 20713 synchronized (mPackages) { 20714 return mSettings.getVerifierDeviceIdentityLPw(); 20715 } 20716 } 20717 20718 @Override 20719 public void setPermissionEnforced(String permission, boolean enforced) { 20720 // TODO: Now that we no longer change GID for storage, this should to away. 20721 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20722 "setPermissionEnforced"); 20723 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20724 synchronized (mPackages) { 20725 if (mSettings.mReadExternalStorageEnforced == null 20726 || mSettings.mReadExternalStorageEnforced != enforced) { 20727 mSettings.mReadExternalStorageEnforced = enforced; 20728 mSettings.writeLPr(); 20729 } 20730 } 20731 // kill any non-foreground processes so we restart them and 20732 // grant/revoke the GID. 20733 final IActivityManager am = ActivityManagerNative.getDefault(); 20734 if (am != null) { 20735 final long token = Binder.clearCallingIdentity(); 20736 try { 20737 am.killProcessesBelowForeground("setPermissionEnforcement"); 20738 } catch (RemoteException e) { 20739 } finally { 20740 Binder.restoreCallingIdentity(token); 20741 } 20742 } 20743 } else { 20744 throw new IllegalArgumentException("No selective enforcement for " + permission); 20745 } 20746 } 20747 20748 @Override 20749 @Deprecated 20750 public boolean isPermissionEnforced(String permission) { 20751 return true; 20752 } 20753 20754 @Override 20755 public boolean isStorageLow() { 20756 final long token = Binder.clearCallingIdentity(); 20757 try { 20758 final DeviceStorageMonitorInternal 20759 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20760 if (dsm != null) { 20761 return dsm.isMemoryLow(); 20762 } else { 20763 return false; 20764 } 20765 } finally { 20766 Binder.restoreCallingIdentity(token); 20767 } 20768 } 20769 20770 @Override 20771 public IPackageInstaller getPackageInstaller() { 20772 return mInstallerService; 20773 } 20774 20775 private boolean userNeedsBadging(int userId) { 20776 int index = mUserNeedsBadging.indexOfKey(userId); 20777 if (index < 0) { 20778 final UserInfo userInfo; 20779 final long token = Binder.clearCallingIdentity(); 20780 try { 20781 userInfo = sUserManager.getUserInfo(userId); 20782 } finally { 20783 Binder.restoreCallingIdentity(token); 20784 } 20785 final boolean b; 20786 if (userInfo != null && userInfo.isManagedProfile()) { 20787 b = true; 20788 } else { 20789 b = false; 20790 } 20791 mUserNeedsBadging.put(userId, b); 20792 return b; 20793 } 20794 return mUserNeedsBadging.valueAt(index); 20795 } 20796 20797 @Override 20798 public KeySet getKeySetByAlias(String packageName, String alias) { 20799 if (packageName == null || alias == null) { 20800 return null; 20801 } 20802 synchronized(mPackages) { 20803 final PackageParser.Package pkg = mPackages.get(packageName); 20804 if (pkg == null) { 20805 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20806 throw new IllegalArgumentException("Unknown package: " + packageName); 20807 } 20808 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20809 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20810 } 20811 } 20812 20813 @Override 20814 public KeySet getSigningKeySet(String packageName) { 20815 if (packageName == null) { 20816 return null; 20817 } 20818 synchronized(mPackages) { 20819 final PackageParser.Package pkg = mPackages.get(packageName); 20820 if (pkg == null) { 20821 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20822 throw new IllegalArgumentException("Unknown package: " + packageName); 20823 } 20824 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20825 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20826 throw new SecurityException("May not access signing KeySet of other apps."); 20827 } 20828 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20829 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20830 } 20831 } 20832 20833 @Override 20834 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20835 if (packageName == null || ks == null) { 20836 return false; 20837 } 20838 synchronized(mPackages) { 20839 final PackageParser.Package pkg = mPackages.get(packageName); 20840 if (pkg == null) { 20841 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20842 throw new IllegalArgumentException("Unknown package: " + packageName); 20843 } 20844 IBinder ksh = ks.getToken(); 20845 if (ksh instanceof KeySetHandle) { 20846 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20847 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20848 } 20849 return false; 20850 } 20851 } 20852 20853 @Override 20854 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20855 if (packageName == null || ks == null) { 20856 return false; 20857 } 20858 synchronized(mPackages) { 20859 final PackageParser.Package pkg = mPackages.get(packageName); 20860 if (pkg == null) { 20861 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20862 throw new IllegalArgumentException("Unknown package: " + packageName); 20863 } 20864 IBinder ksh = ks.getToken(); 20865 if (ksh instanceof KeySetHandle) { 20866 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20867 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20868 } 20869 return false; 20870 } 20871 } 20872 20873 private void deletePackageIfUnusedLPr(final String packageName) { 20874 PackageSetting ps = mSettings.mPackages.get(packageName); 20875 if (ps == null) { 20876 return; 20877 } 20878 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20879 // TODO Implement atomic delete if package is unused 20880 // It is currently possible that the package will be deleted even if it is installed 20881 // after this method returns. 20882 mHandler.post(new Runnable() { 20883 public void run() { 20884 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20885 } 20886 }); 20887 } 20888 } 20889 20890 /** 20891 * Check and throw if the given before/after packages would be considered a 20892 * downgrade. 20893 */ 20894 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20895 throws PackageManagerException { 20896 if (after.versionCode < before.mVersionCode) { 20897 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20898 "Update version code " + after.versionCode + " is older than current " 20899 + before.mVersionCode); 20900 } else if (after.versionCode == before.mVersionCode) { 20901 if (after.baseRevisionCode < before.baseRevisionCode) { 20902 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20903 "Update base revision code " + after.baseRevisionCode 20904 + " is older than current " + before.baseRevisionCode); 20905 } 20906 20907 if (!ArrayUtils.isEmpty(after.splitNames)) { 20908 for (int i = 0; i < after.splitNames.length; i++) { 20909 final String splitName = after.splitNames[i]; 20910 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20911 if (j != -1) { 20912 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20913 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20914 "Update split " + splitName + " revision code " 20915 + after.splitRevisionCodes[i] + " is older than current " 20916 + before.splitRevisionCodes[j]); 20917 } 20918 } 20919 } 20920 } 20921 } 20922 } 20923 20924 private static class MoveCallbacks extends Handler { 20925 private static final int MSG_CREATED = 1; 20926 private static final int MSG_STATUS_CHANGED = 2; 20927 20928 private final RemoteCallbackList<IPackageMoveObserver> 20929 mCallbacks = new RemoteCallbackList<>(); 20930 20931 private final SparseIntArray mLastStatus = new SparseIntArray(); 20932 20933 public MoveCallbacks(Looper looper) { 20934 super(looper); 20935 } 20936 20937 public void register(IPackageMoveObserver callback) { 20938 mCallbacks.register(callback); 20939 } 20940 20941 public void unregister(IPackageMoveObserver callback) { 20942 mCallbacks.unregister(callback); 20943 } 20944 20945 @Override 20946 public void handleMessage(Message msg) { 20947 final SomeArgs args = (SomeArgs) msg.obj; 20948 final int n = mCallbacks.beginBroadcast(); 20949 for (int i = 0; i < n; i++) { 20950 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20951 try { 20952 invokeCallback(callback, msg.what, args); 20953 } catch (RemoteException ignored) { 20954 } 20955 } 20956 mCallbacks.finishBroadcast(); 20957 args.recycle(); 20958 } 20959 20960 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20961 throws RemoteException { 20962 switch (what) { 20963 case MSG_CREATED: { 20964 callback.onCreated(args.argi1, (Bundle) args.arg2); 20965 break; 20966 } 20967 case MSG_STATUS_CHANGED: { 20968 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20969 break; 20970 } 20971 } 20972 } 20973 20974 private void notifyCreated(int moveId, Bundle extras) { 20975 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20976 20977 final SomeArgs args = SomeArgs.obtain(); 20978 args.argi1 = moveId; 20979 args.arg2 = extras; 20980 obtainMessage(MSG_CREATED, args).sendToTarget(); 20981 } 20982 20983 private void notifyStatusChanged(int moveId, int status) { 20984 notifyStatusChanged(moveId, status, -1); 20985 } 20986 20987 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20988 Slog.v(TAG, "Move " + moveId + " status " + status); 20989 20990 final SomeArgs args = SomeArgs.obtain(); 20991 args.argi1 = moveId; 20992 args.argi2 = status; 20993 args.arg3 = estMillis; 20994 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20995 20996 synchronized (mLastStatus) { 20997 mLastStatus.put(moveId, status); 20998 } 20999 } 21000 } 21001 21002 private final static class OnPermissionChangeListeners extends Handler { 21003 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 21004 21005 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 21006 new RemoteCallbackList<>(); 21007 21008 public OnPermissionChangeListeners(Looper looper) { 21009 super(looper); 21010 } 21011 21012 @Override 21013 public void handleMessage(Message msg) { 21014 switch (msg.what) { 21015 case MSG_ON_PERMISSIONS_CHANGED: { 21016 final int uid = msg.arg1; 21017 handleOnPermissionsChanged(uid); 21018 } break; 21019 } 21020 } 21021 21022 public void addListenerLocked(IOnPermissionsChangeListener listener) { 21023 mPermissionListeners.register(listener); 21024 21025 } 21026 21027 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 21028 mPermissionListeners.unregister(listener); 21029 } 21030 21031 public void onPermissionsChanged(int uid) { 21032 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 21033 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 21034 } 21035 } 21036 21037 private void handleOnPermissionsChanged(int uid) { 21038 final int count = mPermissionListeners.beginBroadcast(); 21039 try { 21040 for (int i = 0; i < count; i++) { 21041 IOnPermissionsChangeListener callback = mPermissionListeners 21042 .getBroadcastItem(i); 21043 try { 21044 callback.onPermissionsChanged(uid); 21045 } catch (RemoteException e) { 21046 Log.e(TAG, "Permission listener is dead", e); 21047 } 21048 } 21049 } finally { 21050 mPermissionListeners.finishBroadcast(); 21051 } 21052 } 21053 } 21054 21055 private class PackageManagerInternalImpl extends PackageManagerInternal { 21056 @Override 21057 public void setLocationPackagesProvider(PackagesProvider provider) { 21058 synchronized (mPackages) { 21059 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 21060 } 21061 } 21062 21063 @Override 21064 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 21065 synchronized (mPackages) { 21066 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 21067 } 21068 } 21069 21070 @Override 21071 public void setSmsAppPackagesProvider(PackagesProvider provider) { 21072 synchronized (mPackages) { 21073 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 21074 } 21075 } 21076 21077 @Override 21078 public void setDialerAppPackagesProvider(PackagesProvider provider) { 21079 synchronized (mPackages) { 21080 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 21081 } 21082 } 21083 21084 @Override 21085 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 21086 synchronized (mPackages) { 21087 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 21088 } 21089 } 21090 21091 @Override 21092 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 21093 synchronized (mPackages) { 21094 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 21095 } 21096 } 21097 21098 @Override 21099 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 21100 synchronized (mPackages) { 21101 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 21102 packageName, userId); 21103 } 21104 } 21105 21106 @Override 21107 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 21108 synchronized (mPackages) { 21109 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 21110 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 21111 packageName, userId); 21112 } 21113 } 21114 21115 @Override 21116 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 21117 synchronized (mPackages) { 21118 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 21119 packageName, userId); 21120 } 21121 } 21122 21123 @Override 21124 public void setKeepUninstalledPackages(final List<String> packageList) { 21125 Preconditions.checkNotNull(packageList); 21126 List<String> removedFromList = null; 21127 synchronized (mPackages) { 21128 if (mKeepUninstalledPackages != null) { 21129 final int packagesCount = mKeepUninstalledPackages.size(); 21130 for (int i = 0; i < packagesCount; i++) { 21131 String oldPackage = mKeepUninstalledPackages.get(i); 21132 if (packageList != null && packageList.contains(oldPackage)) { 21133 continue; 21134 } 21135 if (removedFromList == null) { 21136 removedFromList = new ArrayList<>(); 21137 } 21138 removedFromList.add(oldPackage); 21139 } 21140 } 21141 mKeepUninstalledPackages = new ArrayList<>(packageList); 21142 if (removedFromList != null) { 21143 final int removedCount = removedFromList.size(); 21144 for (int i = 0; i < removedCount; i++) { 21145 deletePackageIfUnusedLPr(removedFromList.get(i)); 21146 } 21147 } 21148 } 21149 } 21150 21151 @Override 21152 public boolean isPermissionsReviewRequired(String packageName, int userId) { 21153 synchronized (mPackages) { 21154 // If we do not support permission review, done. 21155 if (!mPermissionReviewRequired) { 21156 return false; 21157 } 21158 21159 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 21160 if (packageSetting == null) { 21161 return false; 21162 } 21163 21164 // Permission review applies only to apps not supporting the new permission model. 21165 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 21166 return false; 21167 } 21168 21169 // Legacy apps have the permission and get user consent on launch. 21170 PermissionsState permissionsState = packageSetting.getPermissionsState(); 21171 return permissionsState.isPermissionReviewRequired(userId); 21172 } 21173 } 21174 21175 @Override 21176 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 21177 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 21178 } 21179 21180 @Override 21181 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 21182 int userId) { 21183 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 21184 } 21185 21186 @Override 21187 public void setDeviceAndProfileOwnerPackages( 21188 int deviceOwnerUserId, String deviceOwnerPackage, 21189 SparseArray<String> profileOwnerPackages) { 21190 mProtectedPackages.setDeviceAndProfileOwnerPackages( 21191 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 21192 } 21193 21194 @Override 21195 public boolean isPackageDataProtected(int userId, String packageName) { 21196 return mProtectedPackages.isPackageDataProtected(userId, packageName); 21197 } 21198 21199 @Override 21200 public boolean wasPackageEverLaunched(String packageName, int userId) { 21201 synchronized (mPackages) { 21202 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 21203 } 21204 } 21205 21206 @Override 21207 public void grantRuntimePermission(String packageName, String name, int userId, 21208 boolean overridePolicy) { 21209 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 21210 overridePolicy); 21211 } 21212 21213 @Override 21214 public void revokeRuntimePermission(String packageName, String name, int userId, 21215 boolean overridePolicy) { 21216 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 21217 overridePolicy); 21218 } 21219 } 21220 21221 @Override 21222 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 21223 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 21224 synchronized (mPackages) { 21225 final long identity = Binder.clearCallingIdentity(); 21226 try { 21227 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 21228 packageNames, userId); 21229 } finally { 21230 Binder.restoreCallingIdentity(identity); 21231 } 21232 } 21233 } 21234 21235 private static void enforceSystemOrPhoneCaller(String tag) { 21236 int callingUid = Binder.getCallingUid(); 21237 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 21238 throw new SecurityException( 21239 "Cannot call " + tag + " from UID " + callingUid); 21240 } 21241 } 21242 21243 boolean isHistoricalPackageUsageAvailable() { 21244 return mPackageUsage.isHistoricalPackageUsageAvailable(); 21245 } 21246 21247 /** 21248 * Return a <b>copy</b> of the collection of packages known to the package manager. 21249 * @return A copy of the values of mPackages. 21250 */ 21251 Collection<PackageParser.Package> getPackages() { 21252 synchronized (mPackages) { 21253 return new ArrayList<>(mPackages.values()); 21254 } 21255 } 21256 21257 /** 21258 * Logs process start information (including base APK hash) to the security log. 21259 * @hide 21260 */ 21261 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21262 String apkFile, int pid) { 21263 if (!SecurityLog.isLoggingEnabled()) { 21264 return; 21265 } 21266 Bundle data = new Bundle(); 21267 data.putLong("startTimestamp", System.currentTimeMillis()); 21268 data.putString("processName", processName); 21269 data.putInt("uid", uid); 21270 data.putString("seinfo", seinfo); 21271 data.putString("apkFile", apkFile); 21272 data.putInt("pid", pid); 21273 Message msg = mProcessLoggingHandler.obtainMessage( 21274 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21275 msg.setData(data); 21276 mProcessLoggingHandler.sendMessage(msg); 21277 } 21278 21279 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21280 return mCompilerStats.getPackageStats(pkgName); 21281 } 21282 21283 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21284 return getOrCreateCompilerPackageStats(pkg.packageName); 21285 } 21286 21287 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21288 return mCompilerStats.getOrCreatePackageStats(pkgName); 21289 } 21290 21291 public void deleteCompilerPackageStats(String pkgName) { 21292 mCompilerStats.deletePackageStats(pkgName); 21293 } 21294} 21295