PackageManagerService.java revision c19706a937abc5d025a59b354b3a0d89e7d62805
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.isEphemeralApp() && !bp.isEphemeral()) { 4088 throw new SecurityException("Cannot grant non-ephemeral permission" 4089 + name + " for package " + packageName); 4090 } 4091 4092 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4093 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4094 return; 4095 } 4096 4097 final int result = permissionsState.grantRuntimePermission(bp, userId); 4098 switch (result) { 4099 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4100 return; 4101 } 4102 4103 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4104 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4105 mHandler.post(new Runnable() { 4106 @Override 4107 public void run() { 4108 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4109 } 4110 }); 4111 } 4112 break; 4113 } 4114 4115 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4116 4117 // Not critical if that is lost - app has to request again. 4118 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4119 } 4120 4121 // Only need to do this if user is initialized. Otherwise it's a new user 4122 // and there are no processes running as the user yet and there's no need 4123 // to make an expensive call to remount processes for the changed permissions. 4124 if (READ_EXTERNAL_STORAGE.equals(name) 4125 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4126 final long token = Binder.clearCallingIdentity(); 4127 try { 4128 if (sUserManager.isInitialized(userId)) { 4129 MountServiceInternal mountServiceInternal = LocalServices.getService( 4130 MountServiceInternal.class); 4131 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4132 } 4133 } finally { 4134 Binder.restoreCallingIdentity(token); 4135 } 4136 } 4137 } 4138 4139 @Override 4140 public void revokeRuntimePermission(String packageName, String name, int userId) { 4141 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4142 } 4143 4144 private void revokeRuntimePermission(String packageName, String name, int userId, 4145 boolean overridePolicy) { 4146 if (!sUserManager.exists(userId)) { 4147 Log.e(TAG, "No such user:" + userId); 4148 return; 4149 } 4150 4151 mContext.enforceCallingOrSelfPermission( 4152 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4153 "revokeRuntimePermission"); 4154 4155 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4156 true /* requireFullPermission */, true /* checkShell */, 4157 "revokeRuntimePermission"); 4158 4159 final int appId; 4160 4161 synchronized (mPackages) { 4162 final PackageParser.Package pkg = mPackages.get(packageName); 4163 if (pkg == null) { 4164 throw new IllegalArgumentException("Unknown package: " + packageName); 4165 } 4166 4167 final BasePermission bp = mSettings.mPermissions.get(name); 4168 if (bp == null) { 4169 throw new IllegalArgumentException("Unknown permission: " + name); 4170 } 4171 4172 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4173 4174 // If a permission review is required for legacy apps we represent 4175 // their permissions as always granted runtime ones since we need 4176 // to keep the review required permission flag per user while an 4177 // install permission's state is shared across all users. 4178 if (mPermissionReviewRequired 4179 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4180 && bp.isRuntime()) { 4181 return; 4182 } 4183 4184 SettingBase sb = (SettingBase) pkg.mExtras; 4185 if (sb == null) { 4186 throw new IllegalArgumentException("Unknown package: " + packageName); 4187 } 4188 4189 final PermissionsState permissionsState = sb.getPermissionsState(); 4190 4191 final int flags = permissionsState.getPermissionFlags(name, userId); 4192 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4193 throw new SecurityException("Cannot revoke system fixed permission " 4194 + name + " for package " + packageName); 4195 } 4196 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4197 throw new SecurityException("Cannot revoke policy fixed permission " 4198 + name + " for package " + packageName); 4199 } 4200 4201 if (bp.isDevelopment()) { 4202 // Development permissions must be handled specially, since they are not 4203 // normal runtime permissions. For now they apply to all users. 4204 if (permissionsState.revokeInstallPermission(bp) != 4205 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4206 scheduleWriteSettingsLocked(); 4207 } 4208 return; 4209 } 4210 4211 if (permissionsState.revokeRuntimePermission(bp, userId) == 4212 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4213 return; 4214 } 4215 4216 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4217 4218 // Critical, after this call app should never have the permission. 4219 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4220 4221 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4222 } 4223 4224 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4225 } 4226 4227 @Override 4228 public void resetRuntimePermissions() { 4229 mContext.enforceCallingOrSelfPermission( 4230 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4231 "revokeRuntimePermission"); 4232 4233 int callingUid = Binder.getCallingUid(); 4234 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4235 mContext.enforceCallingOrSelfPermission( 4236 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4237 "resetRuntimePermissions"); 4238 } 4239 4240 synchronized (mPackages) { 4241 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4242 for (int userId : UserManagerService.getInstance().getUserIds()) { 4243 final int packageCount = mPackages.size(); 4244 for (int i = 0; i < packageCount; i++) { 4245 PackageParser.Package pkg = mPackages.valueAt(i); 4246 if (!(pkg.mExtras instanceof PackageSetting)) { 4247 continue; 4248 } 4249 PackageSetting ps = (PackageSetting) pkg.mExtras; 4250 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4251 } 4252 } 4253 } 4254 } 4255 4256 @Override 4257 public int getPermissionFlags(String name, String packageName, int userId) { 4258 if (!sUserManager.exists(userId)) { 4259 return 0; 4260 } 4261 4262 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4263 4264 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4265 true /* requireFullPermission */, false /* checkShell */, 4266 "getPermissionFlags"); 4267 4268 synchronized (mPackages) { 4269 final PackageParser.Package pkg = mPackages.get(packageName); 4270 if (pkg == null) { 4271 return 0; 4272 } 4273 4274 final BasePermission bp = mSettings.mPermissions.get(name); 4275 if (bp == null) { 4276 return 0; 4277 } 4278 4279 SettingBase sb = (SettingBase) pkg.mExtras; 4280 if (sb == null) { 4281 return 0; 4282 } 4283 4284 PermissionsState permissionsState = sb.getPermissionsState(); 4285 return permissionsState.getPermissionFlags(name, userId); 4286 } 4287 } 4288 4289 @Override 4290 public void updatePermissionFlags(String name, String packageName, int flagMask, 4291 int flagValues, int userId) { 4292 if (!sUserManager.exists(userId)) { 4293 return; 4294 } 4295 4296 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4297 4298 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4299 true /* requireFullPermission */, true /* checkShell */, 4300 "updatePermissionFlags"); 4301 4302 // Only the system can change these flags and nothing else. 4303 if (getCallingUid() != Process.SYSTEM_UID) { 4304 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4305 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4306 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4307 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4308 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4309 } 4310 4311 synchronized (mPackages) { 4312 final PackageParser.Package pkg = mPackages.get(packageName); 4313 if (pkg == null) { 4314 throw new IllegalArgumentException("Unknown package: " + packageName); 4315 } 4316 4317 final BasePermission bp = mSettings.mPermissions.get(name); 4318 if (bp == null) { 4319 throw new IllegalArgumentException("Unknown permission: " + name); 4320 } 4321 4322 SettingBase sb = (SettingBase) pkg.mExtras; 4323 if (sb == null) { 4324 throw new IllegalArgumentException("Unknown package: " + packageName); 4325 } 4326 4327 PermissionsState permissionsState = sb.getPermissionsState(); 4328 4329 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4330 4331 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4332 // Install and runtime permissions are stored in different places, 4333 // so figure out what permission changed and persist the change. 4334 if (permissionsState.getInstallPermissionState(name) != null) { 4335 scheduleWriteSettingsLocked(); 4336 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4337 || hadState) { 4338 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4339 } 4340 } 4341 } 4342 } 4343 4344 /** 4345 * Update the permission flags for all packages and runtime permissions of a user in order 4346 * to allow device or profile owner to remove POLICY_FIXED. 4347 */ 4348 @Override 4349 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4350 if (!sUserManager.exists(userId)) { 4351 return; 4352 } 4353 4354 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4355 4356 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4357 true /* requireFullPermission */, true /* checkShell */, 4358 "updatePermissionFlagsForAllApps"); 4359 4360 // Only the system can change system fixed flags. 4361 if (getCallingUid() != Process.SYSTEM_UID) { 4362 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4363 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4364 } 4365 4366 synchronized (mPackages) { 4367 boolean changed = false; 4368 final int packageCount = mPackages.size(); 4369 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4370 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4371 SettingBase sb = (SettingBase) pkg.mExtras; 4372 if (sb == null) { 4373 continue; 4374 } 4375 PermissionsState permissionsState = sb.getPermissionsState(); 4376 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4377 userId, flagMask, flagValues); 4378 } 4379 if (changed) { 4380 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4381 } 4382 } 4383 } 4384 4385 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4386 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4387 != PackageManager.PERMISSION_GRANTED 4388 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4389 != PackageManager.PERMISSION_GRANTED) { 4390 throw new SecurityException(message + " requires " 4391 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4392 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4393 } 4394 } 4395 4396 @Override 4397 public boolean shouldShowRequestPermissionRationale(String permissionName, 4398 String packageName, int userId) { 4399 if (UserHandle.getCallingUserId() != userId) { 4400 mContext.enforceCallingPermission( 4401 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4402 "canShowRequestPermissionRationale for user " + userId); 4403 } 4404 4405 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4406 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4407 return false; 4408 } 4409 4410 if (checkPermission(permissionName, packageName, userId) 4411 == PackageManager.PERMISSION_GRANTED) { 4412 return false; 4413 } 4414 4415 final int flags; 4416 4417 final long identity = Binder.clearCallingIdentity(); 4418 try { 4419 flags = getPermissionFlags(permissionName, 4420 packageName, userId); 4421 } finally { 4422 Binder.restoreCallingIdentity(identity); 4423 } 4424 4425 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4426 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4427 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4428 4429 if ((flags & fixedFlags) != 0) { 4430 return false; 4431 } 4432 4433 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4434 } 4435 4436 @Override 4437 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4438 mContext.enforceCallingOrSelfPermission( 4439 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4440 "addOnPermissionsChangeListener"); 4441 4442 synchronized (mPackages) { 4443 mOnPermissionChangeListeners.addListenerLocked(listener); 4444 } 4445 } 4446 4447 @Override 4448 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4449 synchronized (mPackages) { 4450 mOnPermissionChangeListeners.removeListenerLocked(listener); 4451 } 4452 } 4453 4454 @Override 4455 public boolean isProtectedBroadcast(String actionName) { 4456 synchronized (mPackages) { 4457 if (mProtectedBroadcasts.contains(actionName)) { 4458 return true; 4459 } else if (actionName != null) { 4460 // TODO: remove these terrible hacks 4461 if (actionName.startsWith("android.net.netmon.lingerExpired") 4462 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4463 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4464 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4465 return true; 4466 } 4467 } 4468 } 4469 return false; 4470 } 4471 4472 @Override 4473 public int checkSignatures(String pkg1, String pkg2) { 4474 synchronized (mPackages) { 4475 final PackageParser.Package p1 = mPackages.get(pkg1); 4476 final PackageParser.Package p2 = mPackages.get(pkg2); 4477 if (p1 == null || p1.mExtras == null 4478 || p2 == null || p2.mExtras == null) { 4479 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4480 } 4481 return compareSignatures(p1.mSignatures, p2.mSignatures); 4482 } 4483 } 4484 4485 @Override 4486 public int checkUidSignatures(int uid1, int uid2) { 4487 // Map to base uids. 4488 uid1 = UserHandle.getAppId(uid1); 4489 uid2 = UserHandle.getAppId(uid2); 4490 // reader 4491 synchronized (mPackages) { 4492 Signature[] s1; 4493 Signature[] s2; 4494 Object obj = mSettings.getUserIdLPr(uid1); 4495 if (obj != null) { 4496 if (obj instanceof SharedUserSetting) { 4497 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4498 } else if (obj instanceof PackageSetting) { 4499 s1 = ((PackageSetting)obj).signatures.mSignatures; 4500 } else { 4501 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4502 } 4503 } else { 4504 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4505 } 4506 obj = mSettings.getUserIdLPr(uid2); 4507 if (obj != null) { 4508 if (obj instanceof SharedUserSetting) { 4509 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4510 } else if (obj instanceof PackageSetting) { 4511 s2 = ((PackageSetting)obj).signatures.mSignatures; 4512 } else { 4513 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4514 } 4515 } else { 4516 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4517 } 4518 return compareSignatures(s1, s2); 4519 } 4520 } 4521 4522 /** 4523 * This method should typically only be used when granting or revoking 4524 * permissions, since the app may immediately restart after this call. 4525 * <p> 4526 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4527 * guard your work against the app being relaunched. 4528 */ 4529 private void killUid(int appId, int userId, String reason) { 4530 final long identity = Binder.clearCallingIdentity(); 4531 try { 4532 IActivityManager am = ActivityManagerNative.getDefault(); 4533 if (am != null) { 4534 try { 4535 am.killUid(appId, userId, reason); 4536 } catch (RemoteException e) { 4537 /* ignore - same process */ 4538 } 4539 } 4540 } finally { 4541 Binder.restoreCallingIdentity(identity); 4542 } 4543 } 4544 4545 /** 4546 * Compares two sets of signatures. Returns: 4547 * <br /> 4548 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4549 * <br /> 4550 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4551 * <br /> 4552 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4553 * <br /> 4554 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4555 * <br /> 4556 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4557 */ 4558 static int compareSignatures(Signature[] s1, Signature[] s2) { 4559 if (s1 == null) { 4560 return s2 == null 4561 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4562 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4563 } 4564 4565 if (s2 == null) { 4566 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4567 } 4568 4569 if (s1.length != s2.length) { 4570 return PackageManager.SIGNATURE_NO_MATCH; 4571 } 4572 4573 // Since both signature sets are of size 1, we can compare without HashSets. 4574 if (s1.length == 1) { 4575 return s1[0].equals(s2[0]) ? 4576 PackageManager.SIGNATURE_MATCH : 4577 PackageManager.SIGNATURE_NO_MATCH; 4578 } 4579 4580 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4581 for (Signature sig : s1) { 4582 set1.add(sig); 4583 } 4584 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4585 for (Signature sig : s2) { 4586 set2.add(sig); 4587 } 4588 // Make sure s2 contains all signatures in s1. 4589 if (set1.equals(set2)) { 4590 return PackageManager.SIGNATURE_MATCH; 4591 } 4592 return PackageManager.SIGNATURE_NO_MATCH; 4593 } 4594 4595 /** 4596 * If the database version for this type of package (internal storage or 4597 * external storage) is less than the version where package signatures 4598 * were updated, return true. 4599 */ 4600 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4601 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4602 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4603 } 4604 4605 /** 4606 * Used for backward compatibility to make sure any packages with 4607 * certificate chains get upgraded to the new style. {@code existingSigs} 4608 * will be in the old format (since they were stored on disk from before the 4609 * system upgrade) and {@code scannedSigs} will be in the newer format. 4610 */ 4611 private int compareSignaturesCompat(PackageSignatures existingSigs, 4612 PackageParser.Package scannedPkg) { 4613 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4614 return PackageManager.SIGNATURE_NO_MATCH; 4615 } 4616 4617 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4618 for (Signature sig : existingSigs.mSignatures) { 4619 existingSet.add(sig); 4620 } 4621 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4622 for (Signature sig : scannedPkg.mSignatures) { 4623 try { 4624 Signature[] chainSignatures = sig.getChainSignatures(); 4625 for (Signature chainSig : chainSignatures) { 4626 scannedCompatSet.add(chainSig); 4627 } 4628 } catch (CertificateEncodingException e) { 4629 scannedCompatSet.add(sig); 4630 } 4631 } 4632 /* 4633 * Make sure the expanded scanned set contains all signatures in the 4634 * existing one. 4635 */ 4636 if (scannedCompatSet.equals(existingSet)) { 4637 // Migrate the old signatures to the new scheme. 4638 existingSigs.assignSignatures(scannedPkg.mSignatures); 4639 // The new KeySets will be re-added later in the scanning process. 4640 synchronized (mPackages) { 4641 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4642 } 4643 return PackageManager.SIGNATURE_MATCH; 4644 } 4645 return PackageManager.SIGNATURE_NO_MATCH; 4646 } 4647 4648 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4649 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4650 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4651 } 4652 4653 private int compareSignaturesRecover(PackageSignatures existingSigs, 4654 PackageParser.Package scannedPkg) { 4655 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4656 return PackageManager.SIGNATURE_NO_MATCH; 4657 } 4658 4659 String msg = null; 4660 try { 4661 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4662 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4663 + scannedPkg.packageName); 4664 return PackageManager.SIGNATURE_MATCH; 4665 } 4666 } catch (CertificateException e) { 4667 msg = e.getMessage(); 4668 } 4669 4670 logCriticalInfo(Log.INFO, 4671 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4672 return PackageManager.SIGNATURE_NO_MATCH; 4673 } 4674 4675 @Override 4676 public List<String> getAllPackages() { 4677 synchronized (mPackages) { 4678 return new ArrayList<String>(mPackages.keySet()); 4679 } 4680 } 4681 4682 @Override 4683 public String[] getPackagesForUid(int uid) { 4684 final int userId = UserHandle.getUserId(uid); 4685 uid = UserHandle.getAppId(uid); 4686 // reader 4687 synchronized (mPackages) { 4688 Object obj = mSettings.getUserIdLPr(uid); 4689 if (obj instanceof SharedUserSetting) { 4690 final SharedUserSetting sus = (SharedUserSetting) obj; 4691 final int N = sus.packages.size(); 4692 String[] res = new String[N]; 4693 final Iterator<PackageSetting> it = sus.packages.iterator(); 4694 int i = 0; 4695 while (it.hasNext()) { 4696 PackageSetting ps = it.next(); 4697 if (ps.getInstalled(userId)) { 4698 res[i++] = ps.name; 4699 } else { 4700 res = ArrayUtils.removeElement(String.class, res, res[i]); 4701 } 4702 } 4703 return res; 4704 } else if (obj instanceof PackageSetting) { 4705 final PackageSetting ps = (PackageSetting) obj; 4706 return new String[] { ps.name }; 4707 } 4708 } 4709 return null; 4710 } 4711 4712 @Override 4713 public String getNameForUid(int uid) { 4714 // reader 4715 synchronized (mPackages) { 4716 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4717 if (obj instanceof SharedUserSetting) { 4718 final SharedUserSetting sus = (SharedUserSetting) obj; 4719 return sus.name + ":" + sus.userId; 4720 } else if (obj instanceof PackageSetting) { 4721 final PackageSetting ps = (PackageSetting) obj; 4722 return ps.name; 4723 } 4724 } 4725 return null; 4726 } 4727 4728 @Override 4729 public int getUidForSharedUser(String sharedUserName) { 4730 if(sharedUserName == null) { 4731 return -1; 4732 } 4733 // reader 4734 synchronized (mPackages) { 4735 SharedUserSetting suid; 4736 try { 4737 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4738 if (suid != null) { 4739 return suid.userId; 4740 } 4741 } catch (PackageManagerException ignore) { 4742 // can't happen, but, still need to catch it 4743 } 4744 return -1; 4745 } 4746 } 4747 4748 @Override 4749 public int getFlagsForUid(int uid) { 4750 synchronized (mPackages) { 4751 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4752 if (obj instanceof SharedUserSetting) { 4753 final SharedUserSetting sus = (SharedUserSetting) obj; 4754 return sus.pkgFlags; 4755 } else if (obj instanceof PackageSetting) { 4756 final PackageSetting ps = (PackageSetting) obj; 4757 return ps.pkgFlags; 4758 } 4759 } 4760 return 0; 4761 } 4762 4763 @Override 4764 public int getPrivateFlagsForUid(int uid) { 4765 synchronized (mPackages) { 4766 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4767 if (obj instanceof SharedUserSetting) { 4768 final SharedUserSetting sus = (SharedUserSetting) obj; 4769 return sus.pkgPrivateFlags; 4770 } else if (obj instanceof PackageSetting) { 4771 final PackageSetting ps = (PackageSetting) obj; 4772 return ps.pkgPrivateFlags; 4773 } 4774 } 4775 return 0; 4776 } 4777 4778 @Override 4779 public boolean isUidPrivileged(int uid) { 4780 uid = UserHandle.getAppId(uid); 4781 // reader 4782 synchronized (mPackages) { 4783 Object obj = mSettings.getUserIdLPr(uid); 4784 if (obj instanceof SharedUserSetting) { 4785 final SharedUserSetting sus = (SharedUserSetting) obj; 4786 final Iterator<PackageSetting> it = sus.packages.iterator(); 4787 while (it.hasNext()) { 4788 if (it.next().isPrivileged()) { 4789 return true; 4790 } 4791 } 4792 } else if (obj instanceof PackageSetting) { 4793 final PackageSetting ps = (PackageSetting) obj; 4794 return ps.isPrivileged(); 4795 } 4796 } 4797 return false; 4798 } 4799 4800 @Override 4801 public String[] getAppOpPermissionPackages(String permissionName) { 4802 synchronized (mPackages) { 4803 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4804 if (pkgs == null) { 4805 return null; 4806 } 4807 return pkgs.toArray(new String[pkgs.size()]); 4808 } 4809 } 4810 4811 @Override 4812 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4813 int flags, int userId) { 4814 try { 4815 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4816 4817 if (!sUserManager.exists(userId)) return null; 4818 flags = updateFlagsForResolve(flags, userId, intent); 4819 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4820 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4821 4822 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4823 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4824 flags, userId); 4825 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4826 4827 final ResolveInfo bestChoice = 4828 chooseBestActivity(intent, resolvedType, flags, query, userId); 4829 return bestChoice; 4830 } finally { 4831 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4832 } 4833 } 4834 4835 @Override 4836 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4837 IntentFilter filter, int match, ComponentName activity) { 4838 final int userId = UserHandle.getCallingUserId(); 4839 if (DEBUG_PREFERRED) { 4840 Log.v(TAG, "setLastChosenActivity intent=" + intent 4841 + " resolvedType=" + resolvedType 4842 + " flags=" + flags 4843 + " filter=" + filter 4844 + " match=" + match 4845 + " activity=" + activity); 4846 filter.dump(new PrintStreamPrinter(System.out), " "); 4847 } 4848 intent.setComponent(null); 4849 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4850 userId); 4851 // Find any earlier preferred or last chosen entries and nuke them 4852 findPreferredActivity(intent, resolvedType, 4853 flags, query, 0, false, true, false, userId); 4854 // Add the new activity as the last chosen for this filter 4855 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4856 "Setting last chosen"); 4857 } 4858 4859 @Override 4860 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4861 final int userId = UserHandle.getCallingUserId(); 4862 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4863 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4864 userId); 4865 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4866 false, false, false, userId); 4867 } 4868 4869 private boolean isEphemeralDisabled() { 4870 // ephemeral apps have been disabled across the board 4871 if (DISABLE_EPHEMERAL_APPS) { 4872 return true; 4873 } 4874 // system isn't up yet; can't read settings, so, assume no ephemeral apps 4875 if (!mSystemReady) { 4876 return true; 4877 } 4878 // we can't get a content resolver until the system is ready; these checks must happen last 4879 final ContentResolver resolver = mContext.getContentResolver(); 4880 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 4881 return true; 4882 } 4883 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 4884 } 4885 4886 private boolean isEphemeralAllowed( 4887 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 4888 boolean skipPackageCheck) { 4889 // Short circuit and return early if possible. 4890 if (isEphemeralDisabled()) { 4891 return false; 4892 } 4893 final int callingUser = UserHandle.getCallingUserId(); 4894 if (callingUser != UserHandle.USER_SYSTEM) { 4895 return false; 4896 } 4897 if (mEphemeralResolverConnection == null) { 4898 return false; 4899 } 4900 if (intent.getComponent() != null) { 4901 return false; 4902 } 4903 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 4904 return false; 4905 } 4906 if (!skipPackageCheck && intent.getPackage() != null) { 4907 return false; 4908 } 4909 final boolean isWebUri = hasWebURI(intent); 4910 if (!isWebUri || intent.getData().getHost() == null) { 4911 return false; 4912 } 4913 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4914 synchronized (mPackages) { 4915 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 4916 for (int n = 0; n < count; n++) { 4917 ResolveInfo info = resolvedActivities.get(n); 4918 String packageName = info.activityInfo.packageName; 4919 PackageSetting ps = mSettings.mPackages.get(packageName); 4920 if (ps != null) { 4921 // Try to get the status from User settings first 4922 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4923 int status = (int) (packedStatus >> 32); 4924 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4925 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4926 if (DEBUG_EPHEMERAL) { 4927 Slog.v(TAG, "DENY ephemeral apps;" 4928 + " pkg: " + packageName + ", status: " + status); 4929 } 4930 return false; 4931 } 4932 } 4933 } 4934 } 4935 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4936 return true; 4937 } 4938 4939 private static EphemeralResolveInfo getEphemeralResolveInfo( 4940 Context context, EphemeralResolverConnection resolverConnection, Intent intent, 4941 String resolvedType, int userId, String packageName) { 4942 final int ephemeralPrefixMask = Global.getInt(context.getContentResolver(), 4943 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4944 final int ephemeralPrefixCount = Global.getInt(context.getContentResolver(), 4945 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4946 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4947 ephemeralPrefixCount); 4948 final int[] shaPrefix = digest.getDigestPrefix(); 4949 final byte[][] digestBytes = digest.getDigestBytes(); 4950 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4951 resolverConnection.getEphemeralResolveInfoList(shaPrefix, ephemeralPrefixMask); 4952 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4953 // No hash prefix match; there are no ephemeral apps for this domain. 4954 return null; 4955 } 4956 4957 // Go in reverse order so we match the narrowest scope first. 4958 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4959 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4960 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4961 continue; 4962 } 4963 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4964 // No filters; this should never happen. 4965 if (filters.isEmpty()) { 4966 continue; 4967 } 4968 if (packageName != null 4969 && !packageName.equals(ephemeralApplication.getPackageName())) { 4970 continue; 4971 } 4972 // We have a domain match; resolve the filters to see if anything matches. 4973 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4974 for (int j = filters.size() - 1; j >= 0; --j) { 4975 final EphemeralResolveIntentInfo intentInfo = 4976 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4977 ephemeralResolver.addFilter(intentInfo); 4978 } 4979 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4980 intent, resolvedType, false /*defaultOnly*/, userId); 4981 if (!matchedResolveInfoList.isEmpty()) { 4982 return matchedResolveInfoList.get(0); 4983 } 4984 } 4985 } 4986 // Hash or filter mis-match; no ephemeral apps for this domain. 4987 return null; 4988 } 4989 4990 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4991 int flags, List<ResolveInfo> query, int userId) { 4992 if (query != null) { 4993 final int N = query.size(); 4994 if (N == 1) { 4995 return query.get(0); 4996 } else if (N > 1) { 4997 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4998 // If there is more than one activity with the same priority, 4999 // then let the user decide between them. 5000 ResolveInfo r0 = query.get(0); 5001 ResolveInfo r1 = query.get(1); 5002 if (DEBUG_INTENT_MATCHING || debug) { 5003 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5004 + r1.activityInfo.name + "=" + r1.priority); 5005 } 5006 // If the first activity has a higher priority, or a different 5007 // default, then it is always desirable to pick it. 5008 if (r0.priority != r1.priority 5009 || r0.preferredOrder != r1.preferredOrder 5010 || r0.isDefault != r1.isDefault) { 5011 return query.get(0); 5012 } 5013 // If we have saved a preference for a preferred activity for 5014 // this Intent, use that. 5015 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5016 flags, query, r0.priority, true, false, debug, userId); 5017 if (ri != null) { 5018 return ri; 5019 } 5020 ri = new ResolveInfo(mResolveInfo); 5021 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5022 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5023 // If all of the options come from the same package, show the application's 5024 // label and icon instead of the generic resolver's. 5025 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5026 // and then throw away the ResolveInfo itself, meaning that the caller loses 5027 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5028 // a fallback for this case; we only set the target package's resources on 5029 // the ResolveInfo, not the ActivityInfo. 5030 final String intentPackage = intent.getPackage(); 5031 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5032 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5033 ri.resolvePackageName = intentPackage; 5034 if (userNeedsBadging(userId)) { 5035 ri.noResourceId = true; 5036 } else { 5037 ri.icon = appi.icon; 5038 } 5039 ri.iconResourceId = appi.icon; 5040 ri.labelRes = appi.labelRes; 5041 } 5042 ri.activityInfo.applicationInfo = new ApplicationInfo( 5043 ri.activityInfo.applicationInfo); 5044 if (userId != 0) { 5045 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5046 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5047 } 5048 // Make sure that the resolver is displayable in car mode 5049 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5050 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5051 return ri; 5052 } 5053 } 5054 return null; 5055 } 5056 5057 /** 5058 * Return true if the given list is not empty and all of its contents have 5059 * an activityInfo with the given package name. 5060 */ 5061 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5062 if (ArrayUtils.isEmpty(list)) { 5063 return false; 5064 } 5065 for (int i = 0, N = list.size(); i < N; i++) { 5066 final ResolveInfo ri = list.get(i); 5067 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5068 if (ai == null || !packageName.equals(ai.packageName)) { 5069 return false; 5070 } 5071 } 5072 return true; 5073 } 5074 5075 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5076 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5077 final int N = query.size(); 5078 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5079 .get(userId); 5080 // Get the list of persistent preferred activities that handle the intent 5081 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5082 List<PersistentPreferredActivity> pprefs = ppir != null 5083 ? ppir.queryIntent(intent, resolvedType, 5084 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5085 : null; 5086 if (pprefs != null && pprefs.size() > 0) { 5087 final int M = pprefs.size(); 5088 for (int i=0; i<M; i++) { 5089 final PersistentPreferredActivity ppa = pprefs.get(i); 5090 if (DEBUG_PREFERRED || debug) { 5091 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5092 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5093 + "\n component=" + ppa.mComponent); 5094 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5095 } 5096 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5097 flags | MATCH_DISABLED_COMPONENTS, userId); 5098 if (DEBUG_PREFERRED || debug) { 5099 Slog.v(TAG, "Found persistent preferred activity:"); 5100 if (ai != null) { 5101 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5102 } else { 5103 Slog.v(TAG, " null"); 5104 } 5105 } 5106 if (ai == null) { 5107 // This previously registered persistent preferred activity 5108 // component is no longer known. Ignore it and do NOT remove it. 5109 continue; 5110 } 5111 for (int j=0; j<N; j++) { 5112 final ResolveInfo ri = query.get(j); 5113 if (!ri.activityInfo.applicationInfo.packageName 5114 .equals(ai.applicationInfo.packageName)) { 5115 continue; 5116 } 5117 if (!ri.activityInfo.name.equals(ai.name)) { 5118 continue; 5119 } 5120 // Found a persistent preference that can handle the intent. 5121 if (DEBUG_PREFERRED || debug) { 5122 Slog.v(TAG, "Returning persistent preferred activity: " + 5123 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5124 } 5125 return ri; 5126 } 5127 } 5128 } 5129 return null; 5130 } 5131 5132 // TODO: handle preferred activities missing while user has amnesia 5133 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5134 List<ResolveInfo> query, int priority, boolean always, 5135 boolean removeMatches, boolean debug, int userId) { 5136 if (!sUserManager.exists(userId)) return null; 5137 flags = updateFlagsForResolve(flags, userId, intent); 5138 // writer 5139 synchronized (mPackages) { 5140 if (intent.getSelector() != null) { 5141 intent = intent.getSelector(); 5142 } 5143 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5144 5145 // Try to find a matching persistent preferred activity. 5146 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5147 debug, userId); 5148 5149 // If a persistent preferred activity matched, use it. 5150 if (pri != null) { 5151 return pri; 5152 } 5153 5154 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5155 // Get the list of preferred activities that handle the intent 5156 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5157 List<PreferredActivity> prefs = pir != null 5158 ? pir.queryIntent(intent, resolvedType, 5159 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5160 : null; 5161 if (prefs != null && prefs.size() > 0) { 5162 boolean changed = false; 5163 try { 5164 // First figure out how good the original match set is. 5165 // We will only allow preferred activities that came 5166 // from the same match quality. 5167 int match = 0; 5168 5169 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5170 5171 final int N = query.size(); 5172 for (int j=0; j<N; j++) { 5173 final ResolveInfo ri = query.get(j); 5174 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5175 + ": 0x" + Integer.toHexString(match)); 5176 if (ri.match > match) { 5177 match = ri.match; 5178 } 5179 } 5180 5181 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5182 + Integer.toHexString(match)); 5183 5184 match &= IntentFilter.MATCH_CATEGORY_MASK; 5185 final int M = prefs.size(); 5186 for (int i=0; i<M; i++) { 5187 final PreferredActivity pa = prefs.get(i); 5188 if (DEBUG_PREFERRED || debug) { 5189 Slog.v(TAG, "Checking PreferredActivity ds=" 5190 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5191 + "\n component=" + pa.mPref.mComponent); 5192 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5193 } 5194 if (pa.mPref.mMatch != match) { 5195 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5196 + Integer.toHexString(pa.mPref.mMatch)); 5197 continue; 5198 } 5199 // If it's not an "always" type preferred activity and that's what we're 5200 // looking for, skip it. 5201 if (always && !pa.mPref.mAlways) { 5202 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5203 continue; 5204 } 5205 final ActivityInfo ai = getActivityInfo( 5206 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5207 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5208 userId); 5209 if (DEBUG_PREFERRED || debug) { 5210 Slog.v(TAG, "Found preferred activity:"); 5211 if (ai != null) { 5212 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5213 } else { 5214 Slog.v(TAG, " null"); 5215 } 5216 } 5217 if (ai == null) { 5218 // This previously registered preferred activity 5219 // component is no longer known. Most likely an update 5220 // to the app was installed and in the new version this 5221 // component no longer exists. Clean it up by removing 5222 // it from the preferred activities list, and skip it. 5223 Slog.w(TAG, "Removing dangling preferred activity: " 5224 + pa.mPref.mComponent); 5225 pir.removeFilter(pa); 5226 changed = true; 5227 continue; 5228 } 5229 for (int j=0; j<N; j++) { 5230 final ResolveInfo ri = query.get(j); 5231 if (!ri.activityInfo.applicationInfo.packageName 5232 .equals(ai.applicationInfo.packageName)) { 5233 continue; 5234 } 5235 if (!ri.activityInfo.name.equals(ai.name)) { 5236 continue; 5237 } 5238 5239 if (removeMatches) { 5240 pir.removeFilter(pa); 5241 changed = true; 5242 if (DEBUG_PREFERRED) { 5243 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5244 } 5245 break; 5246 } 5247 5248 // Okay we found a previously set preferred or last chosen app. 5249 // If the result set is different from when this 5250 // was created, we need to clear it and re-ask the 5251 // user their preference, if we're looking for an "always" type entry. 5252 if (always && !pa.mPref.sameSet(query)) { 5253 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5254 + intent + " type " + resolvedType); 5255 if (DEBUG_PREFERRED) { 5256 Slog.v(TAG, "Removing preferred activity since set changed " 5257 + pa.mPref.mComponent); 5258 } 5259 pir.removeFilter(pa); 5260 // Re-add the filter as a "last chosen" entry (!always) 5261 PreferredActivity lastChosen = new PreferredActivity( 5262 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5263 pir.addFilter(lastChosen); 5264 changed = true; 5265 return null; 5266 } 5267 5268 // Yay! Either the set matched or we're looking for the last chosen 5269 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5270 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5271 return ri; 5272 } 5273 } 5274 } finally { 5275 if (changed) { 5276 if (DEBUG_PREFERRED) { 5277 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5278 } 5279 scheduleWritePackageRestrictionsLocked(userId); 5280 } 5281 } 5282 } 5283 } 5284 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5285 return null; 5286 } 5287 5288 /* 5289 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5290 */ 5291 @Override 5292 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5293 int targetUserId) { 5294 mContext.enforceCallingOrSelfPermission( 5295 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5296 List<CrossProfileIntentFilter> matches = 5297 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5298 if (matches != null) { 5299 int size = matches.size(); 5300 for (int i = 0; i < size; i++) { 5301 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5302 } 5303 } 5304 if (hasWebURI(intent)) { 5305 // cross-profile app linking works only towards the parent. 5306 final UserInfo parent = getProfileParent(sourceUserId); 5307 synchronized(mPackages) { 5308 int flags = updateFlagsForResolve(0, parent.id, intent); 5309 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5310 intent, resolvedType, flags, sourceUserId, parent.id); 5311 return xpDomainInfo != null; 5312 } 5313 } 5314 return false; 5315 } 5316 5317 private UserInfo getProfileParent(int userId) { 5318 final long identity = Binder.clearCallingIdentity(); 5319 try { 5320 return sUserManager.getProfileParent(userId); 5321 } finally { 5322 Binder.restoreCallingIdentity(identity); 5323 } 5324 } 5325 5326 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5327 String resolvedType, int userId) { 5328 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5329 if (resolver != null) { 5330 return resolver.queryIntent(intent, resolvedType, false, userId); 5331 } 5332 return null; 5333 } 5334 5335 @Override 5336 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5337 String resolvedType, int flags, int userId) { 5338 try { 5339 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5340 5341 return new ParceledListSlice<>( 5342 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5343 } finally { 5344 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5345 } 5346 } 5347 5348 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5349 String resolvedType, int flags, int userId) { 5350 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5351 flags = updateFlagsForResolve(flags, userId, intent); 5352 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5353 false /* requireFullPermission */, false /* checkShell */, 5354 "query intent activities"); 5355 ComponentName comp = intent.getComponent(); 5356 if (comp == null) { 5357 if (intent.getSelector() != null) { 5358 intent = intent.getSelector(); 5359 comp = intent.getComponent(); 5360 } 5361 } 5362 5363 if (comp != null) { 5364 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5365 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5366 if (ai != null) { 5367 final ResolveInfo ri = new ResolveInfo(); 5368 ri.activityInfo = ai; 5369 list.add(ri); 5370 } 5371 return list; 5372 } 5373 5374 // reader 5375 boolean sortResult = false; 5376 boolean addEphemeral = false; 5377 boolean matchEphemeralPackage = false; 5378 List<ResolveInfo> result; 5379 final String pkgName = intent.getPackage(); 5380 synchronized (mPackages) { 5381 if (pkgName == null) { 5382 List<CrossProfileIntentFilter> matchingFilters = 5383 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5384 // Check for results that need to skip the current profile. 5385 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5386 resolvedType, flags, userId); 5387 if (xpResolveInfo != null) { 5388 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5389 xpResult.add(xpResolveInfo); 5390 return filterIfNotSystemUser(xpResult, userId); 5391 } 5392 5393 // Check for results in the current profile. 5394 result = filterIfNotSystemUser(mActivities.queryIntent( 5395 intent, resolvedType, flags, userId), userId); 5396 addEphemeral = 5397 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5398 5399 // Check for cross profile results. 5400 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5401 xpResolveInfo = queryCrossProfileIntents( 5402 matchingFilters, intent, resolvedType, flags, userId, 5403 hasNonNegativePriorityResult); 5404 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5405 boolean isVisibleToUser = filterIfNotSystemUser( 5406 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5407 if (isVisibleToUser) { 5408 result.add(xpResolveInfo); 5409 sortResult = true; 5410 } 5411 } 5412 if (hasWebURI(intent)) { 5413 CrossProfileDomainInfo xpDomainInfo = null; 5414 final UserInfo parent = getProfileParent(userId); 5415 if (parent != null) { 5416 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5417 flags, userId, parent.id); 5418 } 5419 if (xpDomainInfo != null) { 5420 if (xpResolveInfo != null) { 5421 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5422 // in the result. 5423 result.remove(xpResolveInfo); 5424 } 5425 if (result.size() == 0 && !addEphemeral) { 5426 result.add(xpDomainInfo.resolveInfo); 5427 return result; 5428 } 5429 } 5430 if (result.size() > 1 || addEphemeral) { 5431 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5432 intent, flags, result, xpDomainInfo, userId); 5433 sortResult = true; 5434 } 5435 } 5436 } else { 5437 final PackageParser.Package pkg = mPackages.get(pkgName); 5438 if (pkg != null) { 5439 result = filterIfNotSystemUser( 5440 mActivities.queryIntentForPackage( 5441 intent, resolvedType, flags, pkg.activities, userId), 5442 userId); 5443 } else { 5444 // the caller wants to resolve for a particular package; however, there 5445 // were no installed results, so, try to find an ephemeral result 5446 addEphemeral = isEphemeralAllowed( 5447 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5448 matchEphemeralPackage = true; 5449 result = new ArrayList<ResolveInfo>(); 5450 } 5451 } 5452 } 5453 if (addEphemeral) { 5454 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5455 final EphemeralResolveInfo ai = getEphemeralResolveInfo( 5456 mContext, mEphemeralResolverConnection, intent, resolvedType, userId, 5457 matchEphemeralPackage ? pkgName : null); 5458 if (ai != null) { 5459 if (DEBUG_EPHEMERAL) { 5460 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5461 } 5462 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5463 ephemeralInstaller.ephemeralResolveInfo = ai; 5464 // make sure this resolver is the default 5465 ephemeralInstaller.isDefault = true; 5466 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5467 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5468 // add a non-generic filter 5469 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5470 ephemeralInstaller.filter.addDataPath( 5471 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5472 result.add(ephemeralInstaller); 5473 } 5474 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5475 } 5476 if (sortResult) { 5477 Collections.sort(result, mResolvePrioritySorter); 5478 } 5479 return result; 5480 } 5481 5482 private static class CrossProfileDomainInfo { 5483 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5484 ResolveInfo resolveInfo; 5485 /* Best domain verification status of the activities found in the other profile */ 5486 int bestDomainVerificationStatus; 5487 } 5488 5489 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5490 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5491 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5492 sourceUserId)) { 5493 return null; 5494 } 5495 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5496 resolvedType, flags, parentUserId); 5497 5498 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5499 return null; 5500 } 5501 CrossProfileDomainInfo result = null; 5502 int size = resultTargetUser.size(); 5503 for (int i = 0; i < size; i++) { 5504 ResolveInfo riTargetUser = resultTargetUser.get(i); 5505 // Intent filter verification is only for filters that specify a host. So don't return 5506 // those that handle all web uris. 5507 if (riTargetUser.handleAllWebDataURI) { 5508 continue; 5509 } 5510 String packageName = riTargetUser.activityInfo.packageName; 5511 PackageSetting ps = mSettings.mPackages.get(packageName); 5512 if (ps == null) { 5513 continue; 5514 } 5515 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5516 int status = (int)(verificationState >> 32); 5517 if (result == null) { 5518 result = new CrossProfileDomainInfo(); 5519 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5520 sourceUserId, parentUserId); 5521 result.bestDomainVerificationStatus = status; 5522 } else { 5523 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5524 result.bestDomainVerificationStatus); 5525 } 5526 } 5527 // Don't consider matches with status NEVER across profiles. 5528 if (result != null && result.bestDomainVerificationStatus 5529 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5530 return null; 5531 } 5532 return result; 5533 } 5534 5535 /** 5536 * Verification statuses are ordered from the worse to the best, except for 5537 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5538 */ 5539 private int bestDomainVerificationStatus(int status1, int status2) { 5540 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5541 return status2; 5542 } 5543 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5544 return status1; 5545 } 5546 return (int) MathUtils.max(status1, status2); 5547 } 5548 5549 private boolean isUserEnabled(int userId) { 5550 long callingId = Binder.clearCallingIdentity(); 5551 try { 5552 UserInfo userInfo = sUserManager.getUserInfo(userId); 5553 return userInfo != null && userInfo.isEnabled(); 5554 } finally { 5555 Binder.restoreCallingIdentity(callingId); 5556 } 5557 } 5558 5559 /** 5560 * Filter out activities with systemUserOnly flag set, when current user is not System. 5561 * 5562 * @return filtered list 5563 */ 5564 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5565 if (userId == UserHandle.USER_SYSTEM) { 5566 return resolveInfos; 5567 } 5568 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5569 ResolveInfo info = resolveInfos.get(i); 5570 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5571 resolveInfos.remove(i); 5572 } 5573 } 5574 return resolveInfos; 5575 } 5576 5577 /** 5578 * @param resolveInfos list of resolve infos in descending priority order 5579 * @return if the list contains a resolve info with non-negative priority 5580 */ 5581 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5582 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5583 } 5584 5585 private static boolean hasWebURI(Intent intent) { 5586 if (intent.getData() == null) { 5587 return false; 5588 } 5589 final String scheme = intent.getScheme(); 5590 if (TextUtils.isEmpty(scheme)) { 5591 return false; 5592 } 5593 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5594 } 5595 5596 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5597 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5598 int userId) { 5599 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5600 5601 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5602 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5603 candidates.size()); 5604 } 5605 5606 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5607 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5608 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5609 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5610 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5611 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5612 5613 synchronized (mPackages) { 5614 final int count = candidates.size(); 5615 // First, try to use linked apps. Partition the candidates into four lists: 5616 // one for the final results, one for the "do not use ever", one for "undefined status" 5617 // and finally one for "browser app type". 5618 for (int n=0; n<count; n++) { 5619 ResolveInfo info = candidates.get(n); 5620 String packageName = info.activityInfo.packageName; 5621 PackageSetting ps = mSettings.mPackages.get(packageName); 5622 if (ps != null) { 5623 // Add to the special match all list (Browser use case) 5624 if (info.handleAllWebDataURI) { 5625 matchAllList.add(info); 5626 continue; 5627 } 5628 // Try to get the status from User settings first 5629 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5630 int status = (int)(packedStatus >> 32); 5631 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5632 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5633 if (DEBUG_DOMAIN_VERIFICATION) { 5634 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5635 + " : linkgen=" + linkGeneration); 5636 } 5637 // Use link-enabled generation as preferredOrder, i.e. 5638 // prefer newly-enabled over earlier-enabled. 5639 info.preferredOrder = linkGeneration; 5640 alwaysList.add(info); 5641 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5642 if (DEBUG_DOMAIN_VERIFICATION) { 5643 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5644 } 5645 neverList.add(info); 5646 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5647 if (DEBUG_DOMAIN_VERIFICATION) { 5648 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5649 } 5650 alwaysAskList.add(info); 5651 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5652 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5653 if (DEBUG_DOMAIN_VERIFICATION) { 5654 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5655 } 5656 undefinedList.add(info); 5657 } 5658 } 5659 } 5660 5661 // We'll want to include browser possibilities in a few cases 5662 boolean includeBrowser = false; 5663 5664 // First try to add the "always" resolution(s) for the current user, if any 5665 if (alwaysList.size() > 0) { 5666 result.addAll(alwaysList); 5667 } else { 5668 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5669 result.addAll(undefinedList); 5670 // Maybe add one for the other profile. 5671 if (xpDomainInfo != null && ( 5672 xpDomainInfo.bestDomainVerificationStatus 5673 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5674 result.add(xpDomainInfo.resolveInfo); 5675 } 5676 includeBrowser = true; 5677 } 5678 5679 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5680 // If there were 'always' entries their preferred order has been set, so we also 5681 // back that off to make the alternatives equivalent 5682 if (alwaysAskList.size() > 0) { 5683 for (ResolveInfo i : result) { 5684 i.preferredOrder = 0; 5685 } 5686 result.addAll(alwaysAskList); 5687 includeBrowser = true; 5688 } 5689 5690 if (includeBrowser) { 5691 // Also add browsers (all of them or only the default one) 5692 if (DEBUG_DOMAIN_VERIFICATION) { 5693 Slog.v(TAG, " ...including browsers in candidate set"); 5694 } 5695 if ((matchFlags & MATCH_ALL) != 0) { 5696 result.addAll(matchAllList); 5697 } else { 5698 // Browser/generic handling case. If there's a default browser, go straight 5699 // to that (but only if there is no other higher-priority match). 5700 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5701 int maxMatchPrio = 0; 5702 ResolveInfo defaultBrowserMatch = null; 5703 final int numCandidates = matchAllList.size(); 5704 for (int n = 0; n < numCandidates; n++) { 5705 ResolveInfo info = matchAllList.get(n); 5706 // track the highest overall match priority... 5707 if (info.priority > maxMatchPrio) { 5708 maxMatchPrio = info.priority; 5709 } 5710 // ...and the highest-priority default browser match 5711 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5712 if (defaultBrowserMatch == null 5713 || (defaultBrowserMatch.priority < info.priority)) { 5714 if (debug) { 5715 Slog.v(TAG, "Considering default browser match " + info); 5716 } 5717 defaultBrowserMatch = info; 5718 } 5719 } 5720 } 5721 if (defaultBrowserMatch != null 5722 && defaultBrowserMatch.priority >= maxMatchPrio 5723 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5724 { 5725 if (debug) { 5726 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5727 } 5728 result.add(defaultBrowserMatch); 5729 } else { 5730 result.addAll(matchAllList); 5731 } 5732 } 5733 5734 // If there is nothing selected, add all candidates and remove the ones that the user 5735 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5736 if (result.size() == 0) { 5737 result.addAll(candidates); 5738 result.removeAll(neverList); 5739 } 5740 } 5741 } 5742 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5743 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5744 result.size()); 5745 for (ResolveInfo info : result) { 5746 Slog.v(TAG, " + " + info.activityInfo); 5747 } 5748 } 5749 return result; 5750 } 5751 5752 // Returns a packed value as a long: 5753 // 5754 // high 'int'-sized word: link status: undefined/ask/never/always. 5755 // low 'int'-sized word: relative priority among 'always' results. 5756 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5757 long result = ps.getDomainVerificationStatusForUser(userId); 5758 // if none available, get the master status 5759 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5760 if (ps.getIntentFilterVerificationInfo() != null) { 5761 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5762 } 5763 } 5764 return result; 5765 } 5766 5767 private ResolveInfo querySkipCurrentProfileIntents( 5768 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5769 int flags, int sourceUserId) { 5770 if (matchingFilters != null) { 5771 int size = matchingFilters.size(); 5772 for (int i = 0; i < size; i ++) { 5773 CrossProfileIntentFilter filter = matchingFilters.get(i); 5774 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5775 // Checking if there are activities in the target user that can handle the 5776 // intent. 5777 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5778 resolvedType, flags, sourceUserId); 5779 if (resolveInfo != null) { 5780 return resolveInfo; 5781 } 5782 } 5783 } 5784 } 5785 return null; 5786 } 5787 5788 // Return matching ResolveInfo in target user if any. 5789 private ResolveInfo queryCrossProfileIntents( 5790 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5791 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5792 if (matchingFilters != null) { 5793 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5794 // match the same intent. For performance reasons, it is better not to 5795 // run queryIntent twice for the same userId 5796 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5797 int size = matchingFilters.size(); 5798 for (int i = 0; i < size; i++) { 5799 CrossProfileIntentFilter filter = matchingFilters.get(i); 5800 int targetUserId = filter.getTargetUserId(); 5801 boolean skipCurrentProfile = 5802 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5803 boolean skipCurrentProfileIfNoMatchFound = 5804 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5805 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5806 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5807 // Checking if there are activities in the target user that can handle the 5808 // intent. 5809 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5810 resolvedType, flags, sourceUserId); 5811 if (resolveInfo != null) return resolveInfo; 5812 alreadyTriedUserIds.put(targetUserId, true); 5813 } 5814 } 5815 } 5816 return null; 5817 } 5818 5819 /** 5820 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5821 * will forward the intent to the filter's target user. 5822 * Otherwise, returns null. 5823 */ 5824 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5825 String resolvedType, int flags, int sourceUserId) { 5826 int targetUserId = filter.getTargetUserId(); 5827 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5828 resolvedType, flags, targetUserId); 5829 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5830 // If all the matches in the target profile are suspended, return null. 5831 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5832 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5833 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5834 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5835 targetUserId); 5836 } 5837 } 5838 } 5839 return null; 5840 } 5841 5842 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5843 int sourceUserId, int targetUserId) { 5844 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5845 long ident = Binder.clearCallingIdentity(); 5846 boolean targetIsProfile; 5847 try { 5848 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5849 } finally { 5850 Binder.restoreCallingIdentity(ident); 5851 } 5852 String className; 5853 if (targetIsProfile) { 5854 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5855 } else { 5856 className = FORWARD_INTENT_TO_PARENT; 5857 } 5858 ComponentName forwardingActivityComponentName = new ComponentName( 5859 mAndroidApplication.packageName, className); 5860 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5861 sourceUserId); 5862 if (!targetIsProfile) { 5863 forwardingActivityInfo.showUserIcon = targetUserId; 5864 forwardingResolveInfo.noResourceId = true; 5865 } 5866 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5867 forwardingResolveInfo.priority = 0; 5868 forwardingResolveInfo.preferredOrder = 0; 5869 forwardingResolveInfo.match = 0; 5870 forwardingResolveInfo.isDefault = true; 5871 forwardingResolveInfo.filter = filter; 5872 forwardingResolveInfo.targetUserId = targetUserId; 5873 return forwardingResolveInfo; 5874 } 5875 5876 @Override 5877 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5878 Intent[] specifics, String[] specificTypes, Intent intent, 5879 String resolvedType, int flags, int userId) { 5880 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5881 specificTypes, intent, resolvedType, flags, userId)); 5882 } 5883 5884 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5885 Intent[] specifics, String[] specificTypes, Intent intent, 5886 String resolvedType, int flags, int userId) { 5887 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5888 flags = updateFlagsForResolve(flags, userId, intent); 5889 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5890 false /* requireFullPermission */, false /* checkShell */, 5891 "query intent activity options"); 5892 final String resultsAction = intent.getAction(); 5893 5894 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5895 | PackageManager.GET_RESOLVED_FILTER, userId); 5896 5897 if (DEBUG_INTENT_MATCHING) { 5898 Log.v(TAG, "Query " + intent + ": " + results); 5899 } 5900 5901 int specificsPos = 0; 5902 int N; 5903 5904 // todo: note that the algorithm used here is O(N^2). This 5905 // isn't a problem in our current environment, but if we start running 5906 // into situations where we have more than 5 or 10 matches then this 5907 // should probably be changed to something smarter... 5908 5909 // First we go through and resolve each of the specific items 5910 // that were supplied, taking care of removing any corresponding 5911 // duplicate items in the generic resolve list. 5912 if (specifics != null) { 5913 for (int i=0; i<specifics.length; i++) { 5914 final Intent sintent = specifics[i]; 5915 if (sintent == null) { 5916 continue; 5917 } 5918 5919 if (DEBUG_INTENT_MATCHING) { 5920 Log.v(TAG, "Specific #" + i + ": " + sintent); 5921 } 5922 5923 String action = sintent.getAction(); 5924 if (resultsAction != null && resultsAction.equals(action)) { 5925 // If this action was explicitly requested, then don't 5926 // remove things that have it. 5927 action = null; 5928 } 5929 5930 ResolveInfo ri = null; 5931 ActivityInfo ai = null; 5932 5933 ComponentName comp = sintent.getComponent(); 5934 if (comp == null) { 5935 ri = resolveIntent( 5936 sintent, 5937 specificTypes != null ? specificTypes[i] : null, 5938 flags, userId); 5939 if (ri == null) { 5940 continue; 5941 } 5942 if (ri == mResolveInfo) { 5943 // ACK! Must do something better with this. 5944 } 5945 ai = ri.activityInfo; 5946 comp = new ComponentName(ai.applicationInfo.packageName, 5947 ai.name); 5948 } else { 5949 ai = getActivityInfo(comp, flags, userId); 5950 if (ai == null) { 5951 continue; 5952 } 5953 } 5954 5955 // Look for any generic query activities that are duplicates 5956 // of this specific one, and remove them from the results. 5957 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5958 N = results.size(); 5959 int j; 5960 for (j=specificsPos; j<N; j++) { 5961 ResolveInfo sri = results.get(j); 5962 if ((sri.activityInfo.name.equals(comp.getClassName()) 5963 && sri.activityInfo.applicationInfo.packageName.equals( 5964 comp.getPackageName())) 5965 || (action != null && sri.filter.matchAction(action))) { 5966 results.remove(j); 5967 if (DEBUG_INTENT_MATCHING) Log.v( 5968 TAG, "Removing duplicate item from " + j 5969 + " due to specific " + specificsPos); 5970 if (ri == null) { 5971 ri = sri; 5972 } 5973 j--; 5974 N--; 5975 } 5976 } 5977 5978 // Add this specific item to its proper place. 5979 if (ri == null) { 5980 ri = new ResolveInfo(); 5981 ri.activityInfo = ai; 5982 } 5983 results.add(specificsPos, ri); 5984 ri.specificIndex = i; 5985 specificsPos++; 5986 } 5987 } 5988 5989 // Now we go through the remaining generic results and remove any 5990 // duplicate actions that are found here. 5991 N = results.size(); 5992 for (int i=specificsPos; i<N-1; i++) { 5993 final ResolveInfo rii = results.get(i); 5994 if (rii.filter == null) { 5995 continue; 5996 } 5997 5998 // Iterate over all of the actions of this result's intent 5999 // filter... typically this should be just one. 6000 final Iterator<String> it = rii.filter.actionsIterator(); 6001 if (it == null) { 6002 continue; 6003 } 6004 while (it.hasNext()) { 6005 final String action = it.next(); 6006 if (resultsAction != null && resultsAction.equals(action)) { 6007 // If this action was explicitly requested, then don't 6008 // remove things that have it. 6009 continue; 6010 } 6011 for (int j=i+1; j<N; j++) { 6012 final ResolveInfo rij = results.get(j); 6013 if (rij.filter != null && rij.filter.hasAction(action)) { 6014 results.remove(j); 6015 if (DEBUG_INTENT_MATCHING) Log.v( 6016 TAG, "Removing duplicate item from " + j 6017 + " due to action " + action + " at " + i); 6018 j--; 6019 N--; 6020 } 6021 } 6022 } 6023 6024 // If the caller didn't request filter information, drop it now 6025 // so we don't have to marshall/unmarshall it. 6026 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6027 rii.filter = null; 6028 } 6029 } 6030 6031 // Filter out the caller activity if so requested. 6032 if (caller != null) { 6033 N = results.size(); 6034 for (int i=0; i<N; i++) { 6035 ActivityInfo ainfo = results.get(i).activityInfo; 6036 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6037 && caller.getClassName().equals(ainfo.name)) { 6038 results.remove(i); 6039 break; 6040 } 6041 } 6042 } 6043 6044 // If the caller didn't request filter information, 6045 // drop them now so we don't have to 6046 // marshall/unmarshall it. 6047 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6048 N = results.size(); 6049 for (int i=0; i<N; i++) { 6050 results.get(i).filter = null; 6051 } 6052 } 6053 6054 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6055 return results; 6056 } 6057 6058 @Override 6059 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6060 String resolvedType, int flags, int userId) { 6061 return new ParceledListSlice<>( 6062 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6063 } 6064 6065 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6066 String resolvedType, int flags, int userId) { 6067 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6068 flags = updateFlagsForResolve(flags, userId, intent); 6069 ComponentName comp = intent.getComponent(); 6070 if (comp == null) { 6071 if (intent.getSelector() != null) { 6072 intent = intent.getSelector(); 6073 comp = intent.getComponent(); 6074 } 6075 } 6076 if (comp != null) { 6077 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6078 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6079 if (ai != null) { 6080 ResolveInfo ri = new ResolveInfo(); 6081 ri.activityInfo = ai; 6082 list.add(ri); 6083 } 6084 return list; 6085 } 6086 6087 // reader 6088 synchronized (mPackages) { 6089 String pkgName = intent.getPackage(); 6090 if (pkgName == null) { 6091 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6092 } 6093 final PackageParser.Package pkg = mPackages.get(pkgName); 6094 if (pkg != null) { 6095 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6096 userId); 6097 } 6098 return Collections.emptyList(); 6099 } 6100 } 6101 6102 @Override 6103 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6104 if (!sUserManager.exists(userId)) return null; 6105 flags = updateFlagsForResolve(flags, userId, intent); 6106 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6107 if (query != null) { 6108 if (query.size() >= 1) { 6109 // If there is more than one service with the same priority, 6110 // just arbitrarily pick the first one. 6111 return query.get(0); 6112 } 6113 } 6114 return null; 6115 } 6116 6117 @Override 6118 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6119 String resolvedType, int flags, int userId) { 6120 return new ParceledListSlice<>( 6121 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6122 } 6123 6124 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6125 String resolvedType, int flags, int userId) { 6126 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6127 flags = updateFlagsForResolve(flags, userId, intent); 6128 ComponentName comp = intent.getComponent(); 6129 if (comp == null) { 6130 if (intent.getSelector() != null) { 6131 intent = intent.getSelector(); 6132 comp = intent.getComponent(); 6133 } 6134 } 6135 if (comp != null) { 6136 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6137 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6138 if (si != null) { 6139 final ResolveInfo ri = new ResolveInfo(); 6140 ri.serviceInfo = si; 6141 list.add(ri); 6142 } 6143 return list; 6144 } 6145 6146 // reader 6147 synchronized (mPackages) { 6148 String pkgName = intent.getPackage(); 6149 if (pkgName == null) { 6150 return mServices.queryIntent(intent, resolvedType, flags, userId); 6151 } 6152 final PackageParser.Package pkg = mPackages.get(pkgName); 6153 if (pkg != null) { 6154 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6155 userId); 6156 } 6157 return Collections.emptyList(); 6158 } 6159 } 6160 6161 @Override 6162 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6163 String resolvedType, int flags, int userId) { 6164 return new ParceledListSlice<>( 6165 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6166 } 6167 6168 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6169 Intent intent, String resolvedType, int flags, int userId) { 6170 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6171 flags = updateFlagsForResolve(flags, userId, intent); 6172 ComponentName comp = intent.getComponent(); 6173 if (comp == null) { 6174 if (intent.getSelector() != null) { 6175 intent = intent.getSelector(); 6176 comp = intent.getComponent(); 6177 } 6178 } 6179 if (comp != null) { 6180 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6181 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6182 if (pi != null) { 6183 final ResolveInfo ri = new ResolveInfo(); 6184 ri.providerInfo = pi; 6185 list.add(ri); 6186 } 6187 return list; 6188 } 6189 6190 // reader 6191 synchronized (mPackages) { 6192 String pkgName = intent.getPackage(); 6193 if (pkgName == null) { 6194 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6195 } 6196 final PackageParser.Package pkg = mPackages.get(pkgName); 6197 if (pkg != null) { 6198 return mProviders.queryIntentForPackage( 6199 intent, resolvedType, flags, pkg.providers, userId); 6200 } 6201 return Collections.emptyList(); 6202 } 6203 } 6204 6205 @Override 6206 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6207 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6208 flags = updateFlagsForPackage(flags, userId, null); 6209 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6210 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6211 true /* requireFullPermission */, false /* checkShell */, 6212 "get installed packages"); 6213 6214 // writer 6215 synchronized (mPackages) { 6216 ArrayList<PackageInfo> list; 6217 if (listUninstalled) { 6218 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6219 for (PackageSetting ps : mSettings.mPackages.values()) { 6220 final PackageInfo pi; 6221 if (ps.pkg != null) { 6222 pi = generatePackageInfo(ps, flags, userId); 6223 } else { 6224 pi = generatePackageInfo(ps, flags, userId); 6225 } 6226 if (pi != null) { 6227 list.add(pi); 6228 } 6229 } 6230 } else { 6231 list = new ArrayList<PackageInfo>(mPackages.size()); 6232 for (PackageParser.Package p : mPackages.values()) { 6233 final PackageInfo pi = 6234 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6235 if (pi != null) { 6236 list.add(pi); 6237 } 6238 } 6239 } 6240 6241 return new ParceledListSlice<PackageInfo>(list); 6242 } 6243 } 6244 6245 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6246 String[] permissions, boolean[] tmp, int flags, int userId) { 6247 int numMatch = 0; 6248 final PermissionsState permissionsState = ps.getPermissionsState(); 6249 for (int i=0; i<permissions.length; i++) { 6250 final String permission = permissions[i]; 6251 if (permissionsState.hasPermission(permission, userId)) { 6252 tmp[i] = true; 6253 numMatch++; 6254 } else { 6255 tmp[i] = false; 6256 } 6257 } 6258 if (numMatch == 0) { 6259 return; 6260 } 6261 final PackageInfo pi; 6262 if (ps.pkg != null) { 6263 pi = generatePackageInfo(ps, flags, userId); 6264 } else { 6265 pi = generatePackageInfo(ps, flags, userId); 6266 } 6267 // The above might return null in cases of uninstalled apps or install-state 6268 // skew across users/profiles. 6269 if (pi != null) { 6270 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6271 if (numMatch == permissions.length) { 6272 pi.requestedPermissions = permissions; 6273 } else { 6274 pi.requestedPermissions = new String[numMatch]; 6275 numMatch = 0; 6276 for (int i=0; i<permissions.length; i++) { 6277 if (tmp[i]) { 6278 pi.requestedPermissions[numMatch] = permissions[i]; 6279 numMatch++; 6280 } 6281 } 6282 } 6283 } 6284 list.add(pi); 6285 } 6286 } 6287 6288 @Override 6289 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6290 String[] permissions, int flags, int userId) { 6291 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6292 flags = updateFlagsForPackage(flags, userId, permissions); 6293 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6294 6295 // writer 6296 synchronized (mPackages) { 6297 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6298 boolean[] tmpBools = new boolean[permissions.length]; 6299 if (listUninstalled) { 6300 for (PackageSetting ps : mSettings.mPackages.values()) { 6301 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6302 } 6303 } else { 6304 for (PackageParser.Package pkg : mPackages.values()) { 6305 PackageSetting ps = (PackageSetting)pkg.mExtras; 6306 if (ps != null) { 6307 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6308 userId); 6309 } 6310 } 6311 } 6312 6313 return new ParceledListSlice<PackageInfo>(list); 6314 } 6315 } 6316 6317 @Override 6318 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6319 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6320 flags = updateFlagsForApplication(flags, userId, null); 6321 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6322 6323 // writer 6324 synchronized (mPackages) { 6325 ArrayList<ApplicationInfo> list; 6326 if (listUninstalled) { 6327 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6328 for (PackageSetting ps : mSettings.mPackages.values()) { 6329 ApplicationInfo ai; 6330 if (ps.pkg != null) { 6331 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6332 ps.readUserState(userId), userId); 6333 } else { 6334 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6335 } 6336 if (ai != null) { 6337 list.add(ai); 6338 } 6339 } 6340 } else { 6341 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6342 for (PackageParser.Package p : mPackages.values()) { 6343 if (p.mExtras != null) { 6344 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6345 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6346 if (ai != null) { 6347 list.add(ai); 6348 } 6349 } 6350 } 6351 } 6352 6353 return new ParceledListSlice<ApplicationInfo>(list); 6354 } 6355 } 6356 6357 @Override 6358 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6359 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6360 return null; 6361 } 6362 6363 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6364 "getEphemeralApplications"); 6365 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6366 true /* requireFullPermission */, false /* checkShell */, 6367 "getEphemeralApplications"); 6368 synchronized (mPackages) { 6369 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6370 .getEphemeralApplicationsLPw(userId); 6371 if (ephemeralApps != null) { 6372 return new ParceledListSlice<>(ephemeralApps); 6373 } 6374 } 6375 return null; 6376 } 6377 6378 @Override 6379 public boolean isEphemeralApplication(String packageName, int userId) { 6380 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6381 true /* requireFullPermission */, false /* checkShell */, 6382 "isEphemeral"); 6383 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6384 return false; 6385 } 6386 6387 if (!isCallerSameApp(packageName)) { 6388 return false; 6389 } 6390 synchronized (mPackages) { 6391 PackageParser.Package pkg = mPackages.get(packageName); 6392 if (pkg != null) { 6393 return pkg.applicationInfo.isEphemeralApp(); 6394 } 6395 } 6396 return false; 6397 } 6398 6399 @Override 6400 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6401 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6402 return null; 6403 } 6404 6405 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6406 true /* requireFullPermission */, false /* checkShell */, 6407 "getCookie"); 6408 if (!isCallerSameApp(packageName)) { 6409 return null; 6410 } 6411 synchronized (mPackages) { 6412 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6413 packageName, userId); 6414 } 6415 } 6416 6417 @Override 6418 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6419 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6420 return true; 6421 } 6422 6423 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6424 true /* requireFullPermission */, true /* checkShell */, 6425 "setCookie"); 6426 if (!isCallerSameApp(packageName)) { 6427 return false; 6428 } 6429 synchronized (mPackages) { 6430 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6431 packageName, cookie, userId); 6432 } 6433 } 6434 6435 @Override 6436 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6437 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6438 return null; 6439 } 6440 6441 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6442 "getEphemeralApplicationIcon"); 6443 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6444 true /* requireFullPermission */, false /* checkShell */, 6445 "getEphemeralApplicationIcon"); 6446 synchronized (mPackages) { 6447 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6448 packageName, userId); 6449 } 6450 } 6451 6452 private boolean isCallerSameApp(String packageName) { 6453 PackageParser.Package pkg = mPackages.get(packageName); 6454 return pkg != null 6455 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6456 } 6457 6458 @Override 6459 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6460 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6461 } 6462 6463 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6464 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6465 6466 // reader 6467 synchronized (mPackages) { 6468 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6469 final int userId = UserHandle.getCallingUserId(); 6470 while (i.hasNext()) { 6471 final PackageParser.Package p = i.next(); 6472 if (p.applicationInfo == null) continue; 6473 6474 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6475 && !p.applicationInfo.isDirectBootAware(); 6476 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6477 && p.applicationInfo.isDirectBootAware(); 6478 6479 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6480 && (!mSafeMode || isSystemApp(p)) 6481 && (matchesUnaware || matchesAware)) { 6482 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6483 if (ps != null) { 6484 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6485 ps.readUserState(userId), userId); 6486 if (ai != null) { 6487 finalList.add(ai); 6488 } 6489 } 6490 } 6491 } 6492 } 6493 6494 return finalList; 6495 } 6496 6497 @Override 6498 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6499 if (!sUserManager.exists(userId)) return null; 6500 flags = updateFlagsForComponent(flags, userId, name); 6501 // reader 6502 synchronized (mPackages) { 6503 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6504 PackageSetting ps = provider != null 6505 ? mSettings.mPackages.get(provider.owner.packageName) 6506 : null; 6507 return ps != null 6508 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6509 ? PackageParser.generateProviderInfo(provider, flags, 6510 ps.readUserState(userId), userId) 6511 : null; 6512 } 6513 } 6514 6515 /** 6516 * @deprecated 6517 */ 6518 @Deprecated 6519 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6520 // reader 6521 synchronized (mPackages) { 6522 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6523 .entrySet().iterator(); 6524 final int userId = UserHandle.getCallingUserId(); 6525 while (i.hasNext()) { 6526 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6527 PackageParser.Provider p = entry.getValue(); 6528 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6529 6530 if (ps != null && p.syncable 6531 && (!mSafeMode || (p.info.applicationInfo.flags 6532 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6533 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6534 ps.readUserState(userId), userId); 6535 if (info != null) { 6536 outNames.add(entry.getKey()); 6537 outInfo.add(info); 6538 } 6539 } 6540 } 6541 } 6542 } 6543 6544 @Override 6545 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6546 int uid, int flags) { 6547 final int userId = processName != null ? UserHandle.getUserId(uid) 6548 : UserHandle.getCallingUserId(); 6549 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6550 flags = updateFlagsForComponent(flags, userId, processName); 6551 6552 ArrayList<ProviderInfo> finalList = null; 6553 // reader 6554 synchronized (mPackages) { 6555 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6556 while (i.hasNext()) { 6557 final PackageParser.Provider p = i.next(); 6558 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6559 if (ps != null && p.info.authority != null 6560 && (processName == null 6561 || (p.info.processName.equals(processName) 6562 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6563 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6564 if (finalList == null) { 6565 finalList = new ArrayList<ProviderInfo>(3); 6566 } 6567 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6568 ps.readUserState(userId), userId); 6569 if (info != null) { 6570 finalList.add(info); 6571 } 6572 } 6573 } 6574 } 6575 6576 if (finalList != null) { 6577 Collections.sort(finalList, mProviderInitOrderSorter); 6578 return new ParceledListSlice<ProviderInfo>(finalList); 6579 } 6580 6581 return ParceledListSlice.emptyList(); 6582 } 6583 6584 @Override 6585 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6586 // reader 6587 synchronized (mPackages) { 6588 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6589 return PackageParser.generateInstrumentationInfo(i, flags); 6590 } 6591 } 6592 6593 @Override 6594 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6595 String targetPackage, int flags) { 6596 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6597 } 6598 6599 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6600 int flags) { 6601 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6602 6603 // reader 6604 synchronized (mPackages) { 6605 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6606 while (i.hasNext()) { 6607 final PackageParser.Instrumentation p = i.next(); 6608 if (targetPackage == null 6609 || targetPackage.equals(p.info.targetPackage)) { 6610 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6611 flags); 6612 if (ii != null) { 6613 finalList.add(ii); 6614 } 6615 } 6616 } 6617 } 6618 6619 return finalList; 6620 } 6621 6622 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6623 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6624 if (overlays == null) { 6625 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6626 return; 6627 } 6628 for (PackageParser.Package opkg : overlays.values()) { 6629 // Not much to do if idmap fails: we already logged the error 6630 // and we certainly don't want to abort installation of pkg simply 6631 // because an overlay didn't fit properly. For these reasons, 6632 // ignore the return value of createIdmapForPackagePairLI. 6633 createIdmapForPackagePairLI(pkg, opkg); 6634 } 6635 } 6636 6637 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6638 PackageParser.Package opkg) { 6639 if (!opkg.mTrustedOverlay) { 6640 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6641 opkg.baseCodePath + ": overlay not trusted"); 6642 return false; 6643 } 6644 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6645 if (overlaySet == null) { 6646 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6647 opkg.baseCodePath + " but target package has no known overlays"); 6648 return false; 6649 } 6650 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6651 // TODO: generate idmap for split APKs 6652 try { 6653 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6654 } catch (InstallerException e) { 6655 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6656 + opkg.baseCodePath); 6657 return false; 6658 } 6659 PackageParser.Package[] overlayArray = 6660 overlaySet.values().toArray(new PackageParser.Package[0]); 6661 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6662 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6663 return p1.mOverlayPriority - p2.mOverlayPriority; 6664 } 6665 }; 6666 Arrays.sort(overlayArray, cmp); 6667 6668 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6669 int i = 0; 6670 for (PackageParser.Package p : overlayArray) { 6671 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6672 } 6673 return true; 6674 } 6675 6676 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6677 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 6678 try { 6679 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6680 } finally { 6681 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6682 } 6683 } 6684 6685 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6686 final File[] files = dir.listFiles(); 6687 if (ArrayUtils.isEmpty(files)) { 6688 Log.d(TAG, "No files in app dir " + dir); 6689 return; 6690 } 6691 6692 if (DEBUG_PACKAGE_SCANNING) { 6693 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6694 + " flags=0x" + Integer.toHexString(parseFlags)); 6695 } 6696 6697 for (File file : files) { 6698 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6699 && !PackageInstallerService.isStageName(file.getName()); 6700 if (!isPackage) { 6701 // Ignore entries which are not packages 6702 continue; 6703 } 6704 try { 6705 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6706 scanFlags, currentTime, null); 6707 } catch (PackageManagerException e) { 6708 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6709 6710 // Delete invalid userdata apps 6711 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6712 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6713 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6714 removeCodePathLI(file); 6715 } 6716 } 6717 } 6718 } 6719 6720 private static File getSettingsProblemFile() { 6721 File dataDir = Environment.getDataDirectory(); 6722 File systemDir = new File(dataDir, "system"); 6723 File fname = new File(systemDir, "uiderrors.txt"); 6724 return fname; 6725 } 6726 6727 static void reportSettingsProblem(int priority, String msg) { 6728 logCriticalInfo(priority, msg); 6729 } 6730 6731 static void logCriticalInfo(int priority, String msg) { 6732 Slog.println(priority, TAG, msg); 6733 EventLogTags.writePmCriticalInfo(msg); 6734 try { 6735 File fname = getSettingsProblemFile(); 6736 FileOutputStream out = new FileOutputStream(fname, true); 6737 PrintWriter pw = new FastPrintWriter(out); 6738 SimpleDateFormat formatter = new SimpleDateFormat(); 6739 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6740 pw.println(dateString + ": " + msg); 6741 pw.close(); 6742 FileUtils.setPermissions( 6743 fname.toString(), 6744 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6745 -1, -1); 6746 } catch (java.io.IOException e) { 6747 } 6748 } 6749 6750 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6751 if (srcFile.isDirectory()) { 6752 final File baseFile = new File(pkg.baseCodePath); 6753 long maxModifiedTime = baseFile.lastModified(); 6754 if (pkg.splitCodePaths != null) { 6755 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6756 final File splitFile = new File(pkg.splitCodePaths[i]); 6757 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6758 } 6759 } 6760 return maxModifiedTime; 6761 } 6762 return srcFile.lastModified(); 6763 } 6764 6765 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6766 final int policyFlags) throws PackageManagerException { 6767 // When upgrading from pre-N MR1, verify the package time stamp using the package 6768 // directory and not the APK file. 6769 final long lastModifiedTime = mIsPreNMR1Upgrade 6770 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 6771 if (ps != null 6772 && ps.codePath.equals(srcFile) 6773 && ps.timeStamp == lastModifiedTime 6774 && !isCompatSignatureUpdateNeeded(pkg) 6775 && !isRecoverSignatureUpdateNeeded(pkg)) { 6776 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6777 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6778 ArraySet<PublicKey> signingKs; 6779 synchronized (mPackages) { 6780 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6781 } 6782 if (ps.signatures.mSignatures != null 6783 && ps.signatures.mSignatures.length != 0 6784 && signingKs != null) { 6785 // Optimization: reuse the existing cached certificates 6786 // if the package appears to be unchanged. 6787 pkg.mSignatures = ps.signatures.mSignatures; 6788 pkg.mSigningKeys = signingKs; 6789 return; 6790 } 6791 6792 Slog.w(TAG, "PackageSetting for " + ps.name 6793 + " is missing signatures. Collecting certs again to recover them."); 6794 } else { 6795 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 6796 } 6797 6798 try { 6799 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 6800 PackageParser.collectCertificates(pkg, policyFlags); 6801 } catch (PackageParserException e) { 6802 throw PackageManagerException.from(e); 6803 } finally { 6804 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6805 } 6806 } 6807 6808 /** 6809 * Traces a package scan. 6810 * @see #scanPackageLI(File, int, int, long, UserHandle) 6811 */ 6812 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6813 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6814 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 6815 try { 6816 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6817 } finally { 6818 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6819 } 6820 } 6821 6822 /** 6823 * Scans a package and returns the newly parsed package. 6824 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6825 */ 6826 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6827 long currentTime, UserHandle user) throws PackageManagerException { 6828 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6829 PackageParser pp = new PackageParser(); 6830 pp.setSeparateProcesses(mSeparateProcesses); 6831 pp.setOnlyCoreApps(mOnlyCore); 6832 pp.setDisplayMetrics(mMetrics); 6833 6834 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6835 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6836 } 6837 6838 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6839 final PackageParser.Package pkg; 6840 try { 6841 pkg = pp.parsePackage(scanFile, parseFlags); 6842 } catch (PackageParserException e) { 6843 throw PackageManagerException.from(e); 6844 } finally { 6845 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6846 } 6847 6848 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6849 } 6850 6851 /** 6852 * Scans a package and returns the newly parsed package. 6853 * @throws PackageManagerException on a parse error. 6854 */ 6855 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6856 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6857 throws PackageManagerException { 6858 // If the package has children and this is the first dive in the function 6859 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6860 // packages (parent and children) would be successfully scanned before the 6861 // actual scan since scanning mutates internal state and we want to atomically 6862 // install the package and its children. 6863 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6864 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6865 scanFlags |= SCAN_CHECK_ONLY; 6866 } 6867 } else { 6868 scanFlags &= ~SCAN_CHECK_ONLY; 6869 } 6870 6871 // Scan the parent 6872 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6873 scanFlags, currentTime, user); 6874 6875 // Scan the children 6876 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6877 for (int i = 0; i < childCount; i++) { 6878 PackageParser.Package childPackage = pkg.childPackages.get(i); 6879 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6880 currentTime, user); 6881 } 6882 6883 6884 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6885 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6886 } 6887 6888 return scannedPkg; 6889 } 6890 6891 /** 6892 * Scans a package and returns the newly parsed package. 6893 * @throws PackageManagerException on a parse error. 6894 */ 6895 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6896 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6897 throws PackageManagerException { 6898 PackageSetting ps = null; 6899 PackageSetting updatedPkg; 6900 // reader 6901 synchronized (mPackages) { 6902 // Look to see if we already know about this package. 6903 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 6904 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6905 // This package has been renamed to its original name. Let's 6906 // use that. 6907 ps = mSettings.getPackageLPr(oldName); 6908 } 6909 // If there was no original package, see one for the real package name. 6910 if (ps == null) { 6911 ps = mSettings.getPackageLPr(pkg.packageName); 6912 } 6913 // Check to see if this package could be hiding/updating a system 6914 // package. Must look for it either under the original or real 6915 // package name depending on our state. 6916 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6917 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6918 6919 // If this is a package we don't know about on the system partition, we 6920 // may need to remove disabled child packages on the system partition 6921 // or may need to not add child packages if the parent apk is updated 6922 // on the data partition and no longer defines this child package. 6923 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6924 // If this is a parent package for an updated system app and this system 6925 // app got an OTA update which no longer defines some of the child packages 6926 // we have to prune them from the disabled system packages. 6927 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6928 if (disabledPs != null) { 6929 final int scannedChildCount = (pkg.childPackages != null) 6930 ? pkg.childPackages.size() : 0; 6931 final int disabledChildCount = disabledPs.childPackageNames != null 6932 ? disabledPs.childPackageNames.size() : 0; 6933 for (int i = 0; i < disabledChildCount; i++) { 6934 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6935 boolean disabledPackageAvailable = false; 6936 for (int j = 0; j < scannedChildCount; j++) { 6937 PackageParser.Package childPkg = pkg.childPackages.get(j); 6938 if (childPkg.packageName.equals(disabledChildPackageName)) { 6939 disabledPackageAvailable = true; 6940 break; 6941 } 6942 } 6943 if (!disabledPackageAvailable) { 6944 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6945 } 6946 } 6947 } 6948 } 6949 } 6950 6951 boolean updatedPkgBetter = false; 6952 // First check if this is a system package that may involve an update 6953 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6954 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6955 // it needs to drop FLAG_PRIVILEGED. 6956 if (locationIsPrivileged(scanFile)) { 6957 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6958 } else { 6959 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6960 } 6961 6962 if (ps != null && !ps.codePath.equals(scanFile)) { 6963 // The path has changed from what was last scanned... check the 6964 // version of the new path against what we have stored to determine 6965 // what to do. 6966 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6967 if (pkg.mVersionCode <= ps.versionCode) { 6968 // The system package has been updated and the code path does not match 6969 // Ignore entry. Skip it. 6970 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6971 + " ignored: updated version " + ps.versionCode 6972 + " better than this " + pkg.mVersionCode); 6973 if (!updatedPkg.codePath.equals(scanFile)) { 6974 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6975 + ps.name + " changing from " + updatedPkg.codePathString 6976 + " to " + scanFile); 6977 updatedPkg.codePath = scanFile; 6978 updatedPkg.codePathString = scanFile.toString(); 6979 updatedPkg.resourcePath = scanFile; 6980 updatedPkg.resourcePathString = scanFile.toString(); 6981 } 6982 updatedPkg.pkg = pkg; 6983 updatedPkg.versionCode = pkg.mVersionCode; 6984 6985 // Update the disabled system child packages to point to the package too. 6986 final int childCount = updatedPkg.childPackageNames != null 6987 ? updatedPkg.childPackageNames.size() : 0; 6988 for (int i = 0; i < childCount; i++) { 6989 String childPackageName = updatedPkg.childPackageNames.get(i); 6990 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6991 childPackageName); 6992 if (updatedChildPkg != null) { 6993 updatedChildPkg.pkg = pkg; 6994 updatedChildPkg.versionCode = pkg.mVersionCode; 6995 } 6996 } 6997 6998 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6999 + scanFile + " ignored: updated version " + ps.versionCode 7000 + " better than this " + pkg.mVersionCode); 7001 } else { 7002 // The current app on the system partition is better than 7003 // what we have updated to on the data partition; switch 7004 // back to the system partition version. 7005 // At this point, its safely assumed that package installation for 7006 // apps in system partition will go through. If not there won't be a working 7007 // version of the app 7008 // writer 7009 synchronized (mPackages) { 7010 // Just remove the loaded entries from package lists. 7011 mPackages.remove(ps.name); 7012 } 7013 7014 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7015 + " reverting from " + ps.codePathString 7016 + ": new version " + pkg.mVersionCode 7017 + " better than installed " + ps.versionCode); 7018 7019 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7020 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7021 synchronized (mInstallLock) { 7022 args.cleanUpResourcesLI(); 7023 } 7024 synchronized (mPackages) { 7025 mSettings.enableSystemPackageLPw(ps.name); 7026 } 7027 updatedPkgBetter = true; 7028 } 7029 } 7030 } 7031 7032 if (updatedPkg != null) { 7033 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7034 // initially 7035 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7036 7037 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7038 // flag set initially 7039 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7040 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7041 } 7042 } 7043 7044 // Verify certificates against what was last scanned 7045 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7046 7047 /* 7048 * A new system app appeared, but we already had a non-system one of the 7049 * same name installed earlier. 7050 */ 7051 boolean shouldHideSystemApp = false; 7052 if (updatedPkg == null && ps != null 7053 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7054 /* 7055 * Check to make sure the signatures match first. If they don't, 7056 * wipe the installed application and its data. 7057 */ 7058 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7059 != PackageManager.SIGNATURE_MATCH) { 7060 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7061 + " signatures don't match existing userdata copy; removing"); 7062 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7063 "scanPackageInternalLI")) { 7064 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7065 } 7066 ps = null; 7067 } else { 7068 /* 7069 * If the newly-added system app is an older version than the 7070 * already installed version, hide it. It will be scanned later 7071 * and re-added like an update. 7072 */ 7073 if (pkg.mVersionCode <= ps.versionCode) { 7074 shouldHideSystemApp = true; 7075 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7076 + " but new version " + pkg.mVersionCode + " better than installed " 7077 + ps.versionCode + "; hiding system"); 7078 } else { 7079 /* 7080 * The newly found system app is a newer version that the 7081 * one previously installed. Simply remove the 7082 * already-installed application and replace it with our own 7083 * while keeping the application data. 7084 */ 7085 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7086 + " reverting from " + ps.codePathString + ": new version " 7087 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7088 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7089 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7090 synchronized (mInstallLock) { 7091 args.cleanUpResourcesLI(); 7092 } 7093 } 7094 } 7095 } 7096 7097 // The apk is forward locked (not public) if its code and resources 7098 // are kept in different files. (except for app in either system or 7099 // vendor path). 7100 // TODO grab this value from PackageSettings 7101 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7102 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7103 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7104 } 7105 } 7106 7107 // TODO: extend to support forward-locked splits 7108 String resourcePath = null; 7109 String baseResourcePath = null; 7110 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7111 if (ps != null && ps.resourcePathString != null) { 7112 resourcePath = ps.resourcePathString; 7113 baseResourcePath = ps.resourcePathString; 7114 } else { 7115 // Should not happen at all. Just log an error. 7116 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7117 } 7118 } else { 7119 resourcePath = pkg.codePath; 7120 baseResourcePath = pkg.baseCodePath; 7121 } 7122 7123 // Set application objects path explicitly. 7124 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7125 pkg.setApplicationInfoCodePath(pkg.codePath); 7126 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7127 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7128 pkg.setApplicationInfoResourcePath(resourcePath); 7129 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7130 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7131 7132 // Note that we invoke the following method only if we are about to unpack an application 7133 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7134 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7135 7136 /* 7137 * If the system app should be overridden by a previously installed 7138 * data, hide the system app now and let the /data/app scan pick it up 7139 * again. 7140 */ 7141 if (shouldHideSystemApp) { 7142 synchronized (mPackages) { 7143 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7144 } 7145 } 7146 7147 return scannedPkg; 7148 } 7149 7150 private static String fixProcessName(String defProcessName, 7151 String processName) { 7152 if (processName == null) { 7153 return defProcessName; 7154 } 7155 return processName; 7156 } 7157 7158 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7159 throws PackageManagerException { 7160 if (pkgSetting.signatures.mSignatures != null) { 7161 // Already existing package. Make sure signatures match 7162 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7163 == PackageManager.SIGNATURE_MATCH; 7164 if (!match) { 7165 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7166 == PackageManager.SIGNATURE_MATCH; 7167 } 7168 if (!match) { 7169 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7170 == PackageManager.SIGNATURE_MATCH; 7171 } 7172 if (!match) { 7173 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7174 + pkg.packageName + " signatures do not match the " 7175 + "previously installed version; ignoring!"); 7176 } 7177 } 7178 7179 // Check for shared user signatures 7180 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7181 // Already existing package. Make sure signatures match 7182 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7183 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7184 if (!match) { 7185 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7186 == PackageManager.SIGNATURE_MATCH; 7187 } 7188 if (!match) { 7189 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7190 == PackageManager.SIGNATURE_MATCH; 7191 } 7192 if (!match) { 7193 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7194 "Package " + pkg.packageName 7195 + " has no signatures that match those in shared user " 7196 + pkgSetting.sharedUser.name + "; ignoring!"); 7197 } 7198 } 7199 } 7200 7201 /** 7202 * Enforces that only the system UID or root's UID can call a method exposed 7203 * via Binder. 7204 * 7205 * @param message used as message if SecurityException is thrown 7206 * @throws SecurityException if the caller is not system or root 7207 */ 7208 private static final void enforceSystemOrRoot(String message) { 7209 final int uid = Binder.getCallingUid(); 7210 if (uid != Process.SYSTEM_UID && uid != 0) { 7211 throw new SecurityException(message); 7212 } 7213 } 7214 7215 @Override 7216 public void performFstrimIfNeeded() { 7217 enforceSystemOrRoot("Only the system can request fstrim"); 7218 7219 // Before everything else, see whether we need to fstrim. 7220 try { 7221 IMountService ms = PackageHelper.getMountService(); 7222 if (ms != null) { 7223 boolean doTrim = false; 7224 final long interval = android.provider.Settings.Global.getLong( 7225 mContext.getContentResolver(), 7226 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7227 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7228 if (interval > 0) { 7229 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7230 if (timeSinceLast > interval) { 7231 doTrim = true; 7232 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7233 + "; running immediately"); 7234 } 7235 } 7236 if (doTrim) { 7237 final boolean dexOptDialogShown; 7238 synchronized (mPackages) { 7239 dexOptDialogShown = mDexOptDialogShown; 7240 } 7241 if (!isFirstBoot() && dexOptDialogShown) { 7242 try { 7243 ActivityManagerNative.getDefault().showBootMessage( 7244 mContext.getResources().getString( 7245 R.string.android_upgrading_fstrim), true); 7246 } catch (RemoteException e) { 7247 } 7248 } 7249 ms.runMaintenance(); 7250 } 7251 } else { 7252 Slog.e(TAG, "Mount service unavailable!"); 7253 } 7254 } catch (RemoteException e) { 7255 // Can't happen; MountService is local 7256 } 7257 } 7258 7259 @Override 7260 public void updatePackagesIfNeeded() { 7261 enforceSystemOrRoot("Only the system can request package update"); 7262 7263 // We need to re-extract after an OTA. 7264 boolean causeUpgrade = isUpgrade(); 7265 7266 // First boot or factory reset. 7267 // Note: we also handle devices that are upgrading to N right now as if it is their 7268 // first boot, as they do not have profile data. 7269 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7270 7271 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7272 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7273 7274 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7275 return; 7276 } 7277 7278 List<PackageParser.Package> pkgs; 7279 synchronized (mPackages) { 7280 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7281 } 7282 7283 final long startTime = System.nanoTime(); 7284 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7285 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7286 7287 final int elapsedTimeSeconds = 7288 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7289 7290 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7291 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7292 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7293 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7294 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7295 } 7296 7297 /** 7298 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7299 * containing statistics about the invocation. The array consists of three elements, 7300 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7301 * and {@code numberOfPackagesFailed}. 7302 */ 7303 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7304 String compilerFilter) { 7305 7306 int numberOfPackagesVisited = 0; 7307 int numberOfPackagesOptimized = 0; 7308 int numberOfPackagesSkipped = 0; 7309 int numberOfPackagesFailed = 0; 7310 final int numberOfPackagesToDexopt = pkgs.size(); 7311 7312 for (PackageParser.Package pkg : pkgs) { 7313 numberOfPackagesVisited++; 7314 7315 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7316 if (DEBUG_DEXOPT) { 7317 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7318 } 7319 numberOfPackagesSkipped++; 7320 continue; 7321 } 7322 7323 if (DEBUG_DEXOPT) { 7324 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7325 numberOfPackagesToDexopt + ": " + pkg.packageName); 7326 } 7327 7328 if (showDialog) { 7329 try { 7330 ActivityManagerNative.getDefault().showBootMessage( 7331 mContext.getResources().getString(R.string.android_upgrading_apk, 7332 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7333 } catch (RemoteException e) { 7334 } 7335 synchronized (mPackages) { 7336 mDexOptDialogShown = true; 7337 } 7338 } 7339 7340 // If the OTA updates a system app which was previously preopted to a non-preopted state 7341 // the app might end up being verified at runtime. That's because by default the apps 7342 // are verify-profile but for preopted apps there's no profile. 7343 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7344 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7345 // filter (by default interpret-only). 7346 // Note that at this stage unused apps are already filtered. 7347 if (isSystemApp(pkg) && 7348 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7349 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7350 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7351 } 7352 7353 // If the OTA updates a system app which was previously preopted to a non-preopted state 7354 // the app might end up being verified at runtime. That's because by default the apps 7355 // are verify-profile but for preopted apps there's no profile. 7356 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7357 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7358 // filter (by default interpret-only). 7359 // Note that at this stage unused apps are already filtered. 7360 if (isSystemApp(pkg) && 7361 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7362 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7363 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7364 } 7365 7366 // checkProfiles is false to avoid merging profiles during boot which 7367 // might interfere with background compilation (b/28612421). 7368 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7369 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7370 // trade-off worth doing to save boot time work. 7371 int dexOptStatus = performDexOptTraced(pkg.packageName, 7372 false /* checkProfiles */, 7373 compilerFilter, 7374 false /* force */); 7375 switch (dexOptStatus) { 7376 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7377 numberOfPackagesOptimized++; 7378 break; 7379 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7380 numberOfPackagesSkipped++; 7381 break; 7382 case PackageDexOptimizer.DEX_OPT_FAILED: 7383 numberOfPackagesFailed++; 7384 break; 7385 default: 7386 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7387 break; 7388 } 7389 } 7390 7391 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7392 numberOfPackagesFailed }; 7393 } 7394 7395 @Override 7396 public void notifyPackageUse(String packageName, int reason) { 7397 synchronized (mPackages) { 7398 PackageParser.Package p = mPackages.get(packageName); 7399 if (p == null) { 7400 return; 7401 } 7402 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7403 } 7404 } 7405 7406 // TODO: this is not used nor needed. Delete it. 7407 @Override 7408 public boolean performDexOptIfNeeded(String packageName) { 7409 int dexOptStatus = performDexOptTraced(packageName, 7410 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7411 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7412 } 7413 7414 @Override 7415 public boolean performDexOpt(String packageName, 7416 boolean checkProfiles, int compileReason, boolean force) { 7417 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7418 getCompilerFilterForReason(compileReason), force); 7419 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7420 } 7421 7422 @Override 7423 public boolean performDexOptMode(String packageName, 7424 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7425 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7426 targetCompilerFilter, force); 7427 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7428 } 7429 7430 private int performDexOptTraced(String packageName, 7431 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7432 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7433 try { 7434 return performDexOptInternal(packageName, checkProfiles, 7435 targetCompilerFilter, force); 7436 } finally { 7437 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7438 } 7439 } 7440 7441 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7442 // if the package can now be considered up to date for the given filter. 7443 private int performDexOptInternal(String packageName, 7444 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7445 PackageParser.Package p; 7446 synchronized (mPackages) { 7447 p = mPackages.get(packageName); 7448 if (p == null) { 7449 // Package could not be found. Report failure. 7450 return PackageDexOptimizer.DEX_OPT_FAILED; 7451 } 7452 mPackageUsage.maybeWriteAsync(mPackages); 7453 mCompilerStats.maybeWriteAsync(); 7454 } 7455 long callingId = Binder.clearCallingIdentity(); 7456 try { 7457 synchronized (mInstallLock) { 7458 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7459 targetCompilerFilter, force); 7460 } 7461 } finally { 7462 Binder.restoreCallingIdentity(callingId); 7463 } 7464 } 7465 7466 public ArraySet<String> getOptimizablePackages() { 7467 ArraySet<String> pkgs = new ArraySet<String>(); 7468 synchronized (mPackages) { 7469 for (PackageParser.Package p : mPackages.values()) { 7470 if (PackageDexOptimizer.canOptimizePackage(p)) { 7471 pkgs.add(p.packageName); 7472 } 7473 } 7474 } 7475 return pkgs; 7476 } 7477 7478 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7479 boolean checkProfiles, String targetCompilerFilter, 7480 boolean force) { 7481 // Select the dex optimizer based on the force parameter. 7482 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7483 // allocate an object here. 7484 PackageDexOptimizer pdo = force 7485 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7486 : mPackageDexOptimizer; 7487 7488 // Optimize all dependencies first. Note: we ignore the return value and march on 7489 // on errors. 7490 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7491 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7492 if (!deps.isEmpty()) { 7493 for (PackageParser.Package depPackage : deps) { 7494 // TODO: Analyze and investigate if we (should) profile libraries. 7495 // Currently this will do a full compilation of the library by default. 7496 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7497 false /* checkProfiles */, 7498 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7499 getOrCreateCompilerPackageStats(depPackage)); 7500 } 7501 } 7502 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7503 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7504 } 7505 7506 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7507 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7508 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7509 Set<String> collectedNames = new HashSet<>(); 7510 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7511 7512 retValue.remove(p); 7513 7514 return retValue; 7515 } else { 7516 return Collections.emptyList(); 7517 } 7518 } 7519 7520 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7521 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7522 if (!collectedNames.contains(p.packageName)) { 7523 collectedNames.add(p.packageName); 7524 collected.add(p); 7525 7526 if (p.usesLibraries != null) { 7527 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7528 } 7529 if (p.usesOptionalLibraries != null) { 7530 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7531 collectedNames); 7532 } 7533 } 7534 } 7535 7536 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7537 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7538 for (String libName : libs) { 7539 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7540 if (libPkg != null) { 7541 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7542 } 7543 } 7544 } 7545 7546 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7547 synchronized (mPackages) { 7548 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7549 if (lib != null && lib.apk != null) { 7550 return mPackages.get(lib.apk); 7551 } 7552 } 7553 return null; 7554 } 7555 7556 public void shutdown() { 7557 mPackageUsage.writeNow(mPackages); 7558 mCompilerStats.writeNow(); 7559 } 7560 7561 @Override 7562 public void dumpProfiles(String packageName) { 7563 PackageParser.Package pkg; 7564 synchronized (mPackages) { 7565 pkg = mPackages.get(packageName); 7566 if (pkg == null) { 7567 throw new IllegalArgumentException("Unknown package: " + packageName); 7568 } 7569 } 7570 /* Only the shell, root, or the app user should be able to dump profiles. */ 7571 int callingUid = Binder.getCallingUid(); 7572 if (callingUid != Process.SHELL_UID && 7573 callingUid != Process.ROOT_UID && 7574 callingUid != pkg.applicationInfo.uid) { 7575 throw new SecurityException("dumpProfiles"); 7576 } 7577 7578 synchronized (mInstallLock) { 7579 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7580 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7581 try { 7582 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7583 String gid = Integer.toString(sharedGid); 7584 String codePaths = TextUtils.join(";", allCodePaths); 7585 mInstaller.dumpProfiles(gid, packageName, codePaths); 7586 } catch (InstallerException e) { 7587 Slog.w(TAG, "Failed to dump profiles", e); 7588 } 7589 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7590 } 7591 } 7592 7593 @Override 7594 public void forceDexOpt(String packageName) { 7595 enforceSystemOrRoot("forceDexOpt"); 7596 7597 PackageParser.Package pkg; 7598 synchronized (mPackages) { 7599 pkg = mPackages.get(packageName); 7600 if (pkg == null) { 7601 throw new IllegalArgumentException("Unknown package: " + packageName); 7602 } 7603 } 7604 7605 synchronized (mInstallLock) { 7606 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7607 7608 // Whoever is calling forceDexOpt wants a fully compiled package. 7609 // Don't use profiles since that may cause compilation to be skipped. 7610 final int res = performDexOptInternalWithDependenciesLI(pkg, 7611 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7612 true /* force */); 7613 7614 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7615 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7616 throw new IllegalStateException("Failed to dexopt: " + res); 7617 } 7618 } 7619 } 7620 7621 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7622 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7623 Slog.w(TAG, "Unable to update from " + oldPkg.name 7624 + " to " + newPkg.packageName 7625 + ": old package not in system partition"); 7626 return false; 7627 } else if (mPackages.get(oldPkg.name) != null) { 7628 Slog.w(TAG, "Unable to update from " + oldPkg.name 7629 + " to " + newPkg.packageName 7630 + ": old package still exists"); 7631 return false; 7632 } 7633 return true; 7634 } 7635 7636 void removeCodePathLI(File codePath) { 7637 if (codePath.isDirectory()) { 7638 try { 7639 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7640 } catch (InstallerException e) { 7641 Slog.w(TAG, "Failed to remove code path", e); 7642 } 7643 } else { 7644 codePath.delete(); 7645 } 7646 } 7647 7648 private int[] resolveUserIds(int userId) { 7649 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7650 } 7651 7652 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7653 if (pkg == null) { 7654 Slog.wtf(TAG, "Package was null!", new Throwable()); 7655 return; 7656 } 7657 clearAppDataLeafLIF(pkg, userId, flags); 7658 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7659 for (int i = 0; i < childCount; i++) { 7660 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7661 } 7662 } 7663 7664 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7665 final PackageSetting ps; 7666 synchronized (mPackages) { 7667 ps = mSettings.mPackages.get(pkg.packageName); 7668 } 7669 for (int realUserId : resolveUserIds(userId)) { 7670 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7671 try { 7672 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7673 ceDataInode); 7674 } catch (InstallerException e) { 7675 Slog.w(TAG, String.valueOf(e)); 7676 } 7677 } 7678 } 7679 7680 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7681 if (pkg == null) { 7682 Slog.wtf(TAG, "Package was null!", new Throwable()); 7683 return; 7684 } 7685 destroyAppDataLeafLIF(pkg, userId, flags); 7686 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7687 for (int i = 0; i < childCount; i++) { 7688 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7689 } 7690 } 7691 7692 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7693 final PackageSetting ps; 7694 synchronized (mPackages) { 7695 ps = mSettings.mPackages.get(pkg.packageName); 7696 } 7697 for (int realUserId : resolveUserIds(userId)) { 7698 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7699 try { 7700 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7701 ceDataInode); 7702 } catch (InstallerException e) { 7703 Slog.w(TAG, String.valueOf(e)); 7704 } 7705 } 7706 } 7707 7708 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7709 if (pkg == null) { 7710 Slog.wtf(TAG, "Package was null!", new Throwable()); 7711 return; 7712 } 7713 destroyAppProfilesLeafLIF(pkg); 7714 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7715 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7716 for (int i = 0; i < childCount; i++) { 7717 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7718 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7719 true /* removeBaseMarker */); 7720 } 7721 } 7722 7723 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7724 boolean removeBaseMarker) { 7725 if (pkg.isForwardLocked()) { 7726 return; 7727 } 7728 7729 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7730 try { 7731 path = PackageManagerServiceUtils.realpath(new File(path)); 7732 } catch (IOException e) { 7733 // TODO: Should we return early here ? 7734 Slog.w(TAG, "Failed to get canonical path", e); 7735 continue; 7736 } 7737 7738 final String useMarker = path.replace('/', '@'); 7739 for (int realUserId : resolveUserIds(userId)) { 7740 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7741 if (removeBaseMarker) { 7742 File foreignUseMark = new File(profileDir, useMarker); 7743 if (foreignUseMark.exists()) { 7744 if (!foreignUseMark.delete()) { 7745 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7746 + pkg.packageName); 7747 } 7748 } 7749 } 7750 7751 File[] markers = profileDir.listFiles(); 7752 if (markers != null) { 7753 final String searchString = "@" + pkg.packageName + "@"; 7754 // We also delete all markers that contain the package name we're 7755 // uninstalling. These are associated with secondary dex-files belonging 7756 // to the package. Reconstructing the path of these dex files is messy 7757 // in general. 7758 for (File marker : markers) { 7759 if (marker.getName().indexOf(searchString) > 0) { 7760 if (!marker.delete()) { 7761 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7762 + pkg.packageName); 7763 } 7764 } 7765 } 7766 } 7767 } 7768 } 7769 } 7770 7771 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7772 try { 7773 mInstaller.destroyAppProfiles(pkg.packageName); 7774 } catch (InstallerException e) { 7775 Slog.w(TAG, String.valueOf(e)); 7776 } 7777 } 7778 7779 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7780 if (pkg == null) { 7781 Slog.wtf(TAG, "Package was null!", new Throwable()); 7782 return; 7783 } 7784 clearAppProfilesLeafLIF(pkg); 7785 // We don't remove the base foreign use marker when clearing profiles because 7786 // we will rename it when the app is updated. Unlike the actual profile contents, 7787 // the foreign use marker is good across installs. 7788 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7789 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7790 for (int i = 0; i < childCount; i++) { 7791 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7792 } 7793 } 7794 7795 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7796 try { 7797 mInstaller.clearAppProfiles(pkg.packageName); 7798 } catch (InstallerException e) { 7799 Slog.w(TAG, String.valueOf(e)); 7800 } 7801 } 7802 7803 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7804 long lastUpdateTime) { 7805 // Set parent install/update time 7806 PackageSetting ps = (PackageSetting) pkg.mExtras; 7807 if (ps != null) { 7808 ps.firstInstallTime = firstInstallTime; 7809 ps.lastUpdateTime = lastUpdateTime; 7810 } 7811 // Set children install/update time 7812 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7813 for (int i = 0; i < childCount; i++) { 7814 PackageParser.Package childPkg = pkg.childPackages.get(i); 7815 ps = (PackageSetting) childPkg.mExtras; 7816 if (ps != null) { 7817 ps.firstInstallTime = firstInstallTime; 7818 ps.lastUpdateTime = lastUpdateTime; 7819 } 7820 } 7821 } 7822 7823 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7824 PackageParser.Package changingLib) { 7825 if (file.path != null) { 7826 usesLibraryFiles.add(file.path); 7827 return; 7828 } 7829 PackageParser.Package p = mPackages.get(file.apk); 7830 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7831 // If we are doing this while in the middle of updating a library apk, 7832 // then we need to make sure to use that new apk for determining the 7833 // dependencies here. (We haven't yet finished committing the new apk 7834 // to the package manager state.) 7835 if (p == null || p.packageName.equals(changingLib.packageName)) { 7836 p = changingLib; 7837 } 7838 } 7839 if (p != null) { 7840 usesLibraryFiles.addAll(p.getAllCodePaths()); 7841 } 7842 } 7843 7844 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 7845 PackageParser.Package changingLib) throws PackageManagerException { 7846 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7847 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7848 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7849 for (int i=0; i<N; i++) { 7850 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7851 if (file == null) { 7852 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7853 "Package " + pkg.packageName + " requires unavailable shared library " 7854 + pkg.usesLibraries.get(i) + "; failing!"); 7855 } 7856 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 7857 } 7858 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7859 for (int i=0; i<N; i++) { 7860 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7861 if (file == null) { 7862 Slog.w(TAG, "Package " + pkg.packageName 7863 + " desires unavailable shared library " 7864 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7865 } else { 7866 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 7867 } 7868 } 7869 N = usesLibraryFiles.size(); 7870 if (N > 0) { 7871 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7872 } else { 7873 pkg.usesLibraryFiles = null; 7874 } 7875 } 7876 } 7877 7878 private static boolean hasString(List<String> list, List<String> which) { 7879 if (list == null) { 7880 return false; 7881 } 7882 for (int i=list.size()-1; i>=0; i--) { 7883 for (int j=which.size()-1; j>=0; j--) { 7884 if (which.get(j).equals(list.get(i))) { 7885 return true; 7886 } 7887 } 7888 } 7889 return false; 7890 } 7891 7892 private void updateAllSharedLibrariesLPw() { 7893 for (PackageParser.Package pkg : mPackages.values()) { 7894 try { 7895 updateSharedLibrariesLPr(pkg, null); 7896 } catch (PackageManagerException e) { 7897 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7898 } 7899 } 7900 } 7901 7902 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7903 PackageParser.Package changingPkg) { 7904 ArrayList<PackageParser.Package> res = null; 7905 for (PackageParser.Package pkg : mPackages.values()) { 7906 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7907 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7908 if (res == null) { 7909 res = new ArrayList<PackageParser.Package>(); 7910 } 7911 res.add(pkg); 7912 try { 7913 updateSharedLibrariesLPr(pkg, changingPkg); 7914 } catch (PackageManagerException e) { 7915 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7916 } 7917 } 7918 } 7919 return res; 7920 } 7921 7922 /** 7923 * Derive the value of the {@code cpuAbiOverride} based on the provided 7924 * value and an optional stored value from the package settings. 7925 */ 7926 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7927 String cpuAbiOverride = null; 7928 7929 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7930 cpuAbiOverride = null; 7931 } else if (abiOverride != null) { 7932 cpuAbiOverride = abiOverride; 7933 } else if (settings != null) { 7934 cpuAbiOverride = settings.cpuAbiOverrideString; 7935 } 7936 7937 return cpuAbiOverride; 7938 } 7939 7940 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7941 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7942 throws PackageManagerException { 7943 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7944 // If the package has children and this is the first dive in the function 7945 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7946 // whether all packages (parent and children) would be successfully scanned 7947 // before the actual scan since scanning mutates internal state and we want 7948 // to atomically install the package and its children. 7949 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7950 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7951 scanFlags |= SCAN_CHECK_ONLY; 7952 } 7953 } else { 7954 scanFlags &= ~SCAN_CHECK_ONLY; 7955 } 7956 7957 final PackageParser.Package scannedPkg; 7958 try { 7959 // Scan the parent 7960 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7961 // Scan the children 7962 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7963 for (int i = 0; i < childCount; i++) { 7964 PackageParser.Package childPkg = pkg.childPackages.get(i); 7965 scanPackageLI(childPkg, policyFlags, 7966 scanFlags, currentTime, user); 7967 } 7968 } finally { 7969 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7970 } 7971 7972 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7973 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7974 } 7975 7976 return scannedPkg; 7977 } 7978 7979 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7980 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7981 boolean success = false; 7982 try { 7983 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7984 currentTime, user); 7985 success = true; 7986 return res; 7987 } finally { 7988 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7989 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7990 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7991 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7992 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7993 } 7994 } 7995 } 7996 7997 /** 7998 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7999 */ 8000 private static boolean apkHasCode(String fileName) { 8001 StrictJarFile jarFile = null; 8002 try { 8003 jarFile = new StrictJarFile(fileName, 8004 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8005 return jarFile.findEntry("classes.dex") != null; 8006 } catch (IOException ignore) { 8007 } finally { 8008 try { 8009 if (jarFile != null) { 8010 jarFile.close(); 8011 } 8012 } catch (IOException ignore) {} 8013 } 8014 return false; 8015 } 8016 8017 /** 8018 * Enforces code policy for the package. This ensures that if an APK has 8019 * declared hasCode="true" in its manifest that the APK actually contains 8020 * code. 8021 * 8022 * @throws PackageManagerException If bytecode could not be found when it should exist 8023 */ 8024 private static void assertCodePolicy(PackageParser.Package pkg) 8025 throws PackageManagerException { 8026 final boolean shouldHaveCode = 8027 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8028 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8029 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8030 "Package " + pkg.baseCodePath + " code is missing"); 8031 } 8032 8033 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8034 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8035 final boolean splitShouldHaveCode = 8036 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8037 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8038 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8039 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8040 } 8041 } 8042 } 8043 } 8044 8045 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8046 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8047 throws PackageManagerException { 8048 if (DEBUG_PACKAGE_SCANNING) { 8049 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8050 Log.d(TAG, "Scanning package " + pkg.packageName); 8051 } 8052 8053 applyPolicy(pkg, policyFlags); 8054 8055 assertPackageIsValid(pkg, policyFlags); 8056 8057 // Initialize package source and resource directories 8058 final File scanFile = new File(pkg.codePath); 8059 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8060 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8061 8062 SharedUserSetting suid = null; 8063 PackageSetting pkgSetting = null; 8064 8065 // Getting the package setting may have a side-effect, so if we 8066 // are only checking if scan would succeed, stash a copy of the 8067 // old setting to restore at the end. 8068 PackageSetting nonMutatedPs = null; 8069 8070 // writer 8071 synchronized (mPackages) { 8072 if (pkg.mSharedUserId != null) { 8073 // SIDE EFFECTS; may potentially allocate a new shared user 8074 suid = mSettings.getSharedUserLPw( 8075 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 8076 if (DEBUG_PACKAGE_SCANNING) { 8077 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8078 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8079 + "): packages=" + suid.packages); 8080 } 8081 } 8082 8083 // Check if we are renaming from an original package name. 8084 PackageSetting origPackage = null; 8085 String realName = null; 8086 if (pkg.mOriginalPackages != null) { 8087 // This package may need to be renamed to a previously 8088 // installed name. Let's check on that... 8089 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8090 if (pkg.mOriginalPackages.contains(renamed)) { 8091 // This package had originally been installed as the 8092 // original name, and we have already taken care of 8093 // transitioning to the new one. Just update the new 8094 // one to continue using the old name. 8095 realName = pkg.mRealPackage; 8096 if (!pkg.packageName.equals(renamed)) { 8097 // Callers into this function may have already taken 8098 // care of renaming the package; only do it here if 8099 // it is not already done. 8100 pkg.setPackageName(renamed); 8101 } 8102 } else { 8103 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8104 if ((origPackage = mSettings.getPackageLPr( 8105 pkg.mOriginalPackages.get(i))) != null) { 8106 // We do have the package already installed under its 8107 // original name... should we use it? 8108 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8109 // New package is not compatible with original. 8110 origPackage = null; 8111 continue; 8112 } else if (origPackage.sharedUser != null) { 8113 // Make sure uid is compatible between packages. 8114 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8115 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8116 + " to " + pkg.packageName + ": old uid " 8117 + origPackage.sharedUser.name 8118 + " differs from " + pkg.mSharedUserId); 8119 origPackage = null; 8120 continue; 8121 } 8122 // TODO: Add case when shared user id is added [b/28144775] 8123 } else { 8124 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8125 + pkg.packageName + " to old name " + origPackage.name); 8126 } 8127 break; 8128 } 8129 } 8130 } 8131 } 8132 8133 if (mTransferedPackages.contains(pkg.packageName)) { 8134 Slog.w(TAG, "Package " + pkg.packageName 8135 + " was transferred to another, but its .apk remains"); 8136 } 8137 8138 // See comments in nonMutatedPs declaration 8139 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8140 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 8141 if (foundPs != null) { 8142 nonMutatedPs = new PackageSetting(foundPs); 8143 } 8144 } 8145 8146 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 8147 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 8148 PackageManagerService.reportSettingsProblem(Log.WARN, 8149 "Package " + pkg.packageName + " shared user changed from " 8150 + (pkgSetting.sharedUser != null 8151 ? pkgSetting.sharedUser.name : "<nothing>") 8152 + " to " 8153 + (suid != null ? suid.name : "<nothing>") 8154 + "; replacing with new"); 8155 pkgSetting = null; 8156 } 8157 final PackageSetting oldPkgSetting = 8158 pkgSetting == null ? null : new PackageSetting(pkgSetting); 8159 final PackageSetting disabledPkgSetting = 8160 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8161 if (pkgSetting == null) { 8162 final String parentPackageName = (pkg.parentPackage != null) 8163 ? pkg.parentPackage.packageName : null; 8164 // REMOVE SharedUserSetting from method; update in a separate call 8165 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 8166 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 8167 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 8168 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 8169 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 8170 true /*allowInstall*/, parentPackageName, pkg.getChildPackageNames(), 8171 UserManagerService.getInstance()); 8172 // SIDE EFFECTS; updates system state; move elsewhere 8173 if (origPackage != null) { 8174 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 8175 } 8176 mSettings.addUserToSettingLPw(pkgSetting); 8177 } else { 8178 // REMOVE SharedUserSetting from method; update in a separate call 8179 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 8180 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 8181 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 8182 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 8183 UserManagerService.getInstance()); 8184 } 8185 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 8186 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 8187 8188 // SIDE EFFECTS; modifies system state; move elsewhere 8189 if (pkgSetting.origPackage != null) { 8190 // If we are first transitioning from an original package, 8191 // fix up the new package's name now. We need to do this after 8192 // looking up the package under its new name, so getPackageLP 8193 // can take care of fiddling things correctly. 8194 pkg.setPackageName(origPackage.name); 8195 8196 // File a report about this. 8197 String msg = "New package " + pkgSetting.realName 8198 + " renamed to replace old package " + pkgSetting.name; 8199 reportSettingsProblem(Log.WARN, msg); 8200 8201 // Make a note of it. 8202 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8203 mTransferedPackages.add(origPackage.name); 8204 } 8205 8206 // No longer need to retain this. 8207 pkgSetting.origPackage = null; 8208 } 8209 8210 // SIDE EFFECTS; modifies system state; move elsewhere 8211 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8212 // Make a note of it. 8213 mTransferedPackages.add(pkg.packageName); 8214 } 8215 8216 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8217 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8218 } 8219 8220 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8221 // Check all shared libraries and map to their actual file path. 8222 // We only do this here for apps not on a system dir, because those 8223 // are the only ones that can fail an install due to this. We 8224 // will take care of the system apps by updating all of their 8225 // library paths after the scan is done. 8226 updateSharedLibrariesLPr(pkg, null); 8227 } 8228 8229 if (mFoundPolicyFile) { 8230 SELinuxMMAC.assignSeinfoValue(pkg); 8231 } 8232 8233 pkg.applicationInfo.uid = pkgSetting.appId; 8234 pkg.mExtras = pkgSetting; 8235 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8236 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8237 // We just determined the app is signed correctly, so bring 8238 // over the latest parsed certs. 8239 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8240 } else { 8241 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8242 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8243 "Package " + pkg.packageName + " upgrade keys do not match the " 8244 + "previously installed version"); 8245 } else { 8246 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8247 String msg = "System package " + pkg.packageName 8248 + " signature changed; retaining data."; 8249 reportSettingsProblem(Log.WARN, msg); 8250 } 8251 } 8252 } else { 8253 try { 8254 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 8255 verifySignaturesLP(pkgSetting, pkg); 8256 // We just determined the app is signed correctly, so bring 8257 // over the latest parsed certs. 8258 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8259 } catch (PackageManagerException e) { 8260 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8261 throw e; 8262 } 8263 // The signature has changed, but this package is in the system 8264 // image... let's recover! 8265 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8266 // However... if this package is part of a shared user, but it 8267 // doesn't match the signature of the shared user, let's fail. 8268 // What this means is that you can't change the signatures 8269 // associated with an overall shared user, which doesn't seem all 8270 // that unreasonable. 8271 if (pkgSetting.sharedUser != null) { 8272 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8273 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8274 throw new PackageManagerException( 8275 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8276 "Signature mismatch for shared user: " 8277 + pkgSetting.sharedUser); 8278 } 8279 } 8280 // File a report about this. 8281 String msg = "System package " + pkg.packageName 8282 + " signature changed; retaining data."; 8283 reportSettingsProblem(Log.WARN, msg); 8284 } 8285 } 8286 8287 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8288 // This package wants to adopt ownership of permissions from 8289 // another package. 8290 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8291 final String origName = pkg.mAdoptPermissions.get(i); 8292 final PackageSetting orig = mSettings.getPackageLPr(origName); 8293 if (orig != null) { 8294 if (verifyPackageUpdateLPr(orig, pkg)) { 8295 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8296 + pkg.packageName); 8297 // SIDE EFFECTS; updates permissions system state; move elsewhere 8298 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8299 } 8300 } 8301 } 8302 } 8303 } 8304 8305 pkg.applicationInfo.processName = fixProcessName( 8306 pkg.applicationInfo.packageName, 8307 pkg.applicationInfo.processName); 8308 8309 if (pkg != mPlatformPackage) { 8310 // Get all of our default paths setup 8311 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8312 } 8313 8314 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8315 8316 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8317 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 8318 derivePackageAbi( 8319 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 8320 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8321 8322 // Some system apps still use directory structure for native libraries 8323 // in which case we might end up not detecting abi solely based on apk 8324 // structure. Try to detect abi based on directory structure. 8325 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8326 pkg.applicationInfo.primaryCpuAbi == null) { 8327 setBundledAppAbisAndRoots(pkg, pkgSetting); 8328 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8329 } 8330 } else { 8331 if ((scanFlags & SCAN_MOVE) != 0) { 8332 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8333 // but we already have this packages package info in the PackageSetting. We just 8334 // use that and derive the native library path based on the new codepath. 8335 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8336 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8337 } 8338 8339 // Set native library paths again. For moves, the path will be updated based on the 8340 // ABIs we've determined above. For non-moves, the path will be updated based on the 8341 // ABIs we determined during compilation, but the path will depend on the final 8342 // package path (after the rename away from the stage path). 8343 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8344 } 8345 8346 // This is a special case for the "system" package, where the ABI is 8347 // dictated by the zygote configuration (and init.rc). We should keep track 8348 // of this ABI so that we can deal with "normal" applications that run under 8349 // the same UID correctly. 8350 if (mPlatformPackage == pkg) { 8351 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8352 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8353 } 8354 8355 // If there's a mismatch between the abi-override in the package setting 8356 // and the abiOverride specified for the install. Warn about this because we 8357 // would've already compiled the app without taking the package setting into 8358 // account. 8359 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8360 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8361 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8362 " for package " + pkg.packageName); 8363 } 8364 } 8365 8366 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8367 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8368 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8369 8370 // Copy the derived override back to the parsed package, so that we can 8371 // update the package settings accordingly. 8372 pkg.cpuAbiOverride = cpuAbiOverride; 8373 8374 if (DEBUG_ABI_SELECTION) { 8375 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8376 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8377 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8378 } 8379 8380 // Push the derived path down into PackageSettings so we know what to 8381 // clean up at uninstall time. 8382 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8383 8384 if (DEBUG_ABI_SELECTION) { 8385 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8386 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8387 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8388 } 8389 8390 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 8391 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8392 // We don't do this here during boot because we can do it all 8393 // at once after scanning all existing packages. 8394 // 8395 // We also do this *before* we perform dexopt on this package, so that 8396 // we can avoid redundant dexopts, and also to make sure we've got the 8397 // code and package path correct. 8398 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 8399 } 8400 8401 if (mFactoryTest && pkg.requestedPermissions.contains( 8402 android.Manifest.permission.FACTORY_TEST)) { 8403 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8404 } 8405 8406 if (isSystemApp(pkg)) { 8407 pkgSetting.isOrphaned = true; 8408 } 8409 8410 // Take care of first install / last update times. 8411 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8412 if (currentTime != 0) { 8413 if (pkgSetting.firstInstallTime == 0) { 8414 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8415 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 8416 pkgSetting.lastUpdateTime = currentTime; 8417 } 8418 } else if (pkgSetting.firstInstallTime == 0) { 8419 // We need *something*. Take time time stamp of the file. 8420 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8421 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8422 if (scanFileTime != pkgSetting.timeStamp) { 8423 // A package on the system image has changed; consider this 8424 // to be an update. 8425 pkgSetting.lastUpdateTime = scanFileTime; 8426 } 8427 } 8428 pkgSetting.setTimeStamp(scanFileTime); 8429 8430 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8431 if (nonMutatedPs != null) { 8432 synchronized (mPackages) { 8433 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8434 } 8435 } 8436 } else { 8437 // Modify state for the given package setting 8438 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 8439 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 8440 } 8441 return pkg; 8442 } 8443 8444 /** 8445 * Applies policy to the parsed package based upon the given policy flags. 8446 * Ensures the package is in a good state. 8447 * <p> 8448 * Implementation detail: This method must NOT have any side effect. It would 8449 * ideally be static, but, it requires locks to read system state. 8450 */ 8451 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 8452 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8453 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8454 if (pkg.applicationInfo.isDirectBootAware()) { 8455 // we're direct boot aware; set for all components 8456 for (PackageParser.Service s : pkg.services) { 8457 s.info.encryptionAware = s.info.directBootAware = true; 8458 } 8459 for (PackageParser.Provider p : pkg.providers) { 8460 p.info.encryptionAware = p.info.directBootAware = true; 8461 } 8462 for (PackageParser.Activity a : pkg.activities) { 8463 a.info.encryptionAware = a.info.directBootAware = true; 8464 } 8465 for (PackageParser.Activity r : pkg.receivers) { 8466 r.info.encryptionAware = r.info.directBootAware = true; 8467 } 8468 } 8469 } else { 8470 // Only allow system apps to be flagged as core apps. 8471 pkg.coreApp = false; 8472 // clear flags not applicable to regular apps 8473 pkg.applicationInfo.privateFlags &= 8474 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8475 pkg.applicationInfo.privateFlags &= 8476 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8477 } 8478 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8479 8480 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8481 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8482 } 8483 8484 if (!isSystemApp(pkg)) { 8485 // Only system apps can use these features. 8486 pkg.mOriginalPackages = null; 8487 pkg.mRealPackage = null; 8488 pkg.mAdoptPermissions = null; 8489 } 8490 } 8491 8492 /** 8493 * Asserts the parsed package is valid according to teh given policy. If the 8494 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 8495 * <p> 8496 * Implementation detail: This method must NOT have any side effects. It would 8497 * ideally be static, but, it requires locks to read system state. 8498 * 8499 * @throws PackageManagerException If the package fails any of the validation checks 8500 */ 8501 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags) 8502 throws PackageManagerException { 8503 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8504 assertCodePolicy(pkg); 8505 } 8506 8507 if (pkg.applicationInfo.getCodePath() == null || 8508 pkg.applicationInfo.getResourcePath() == null) { 8509 // Bail out. The resource and code paths haven't been set. 8510 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8511 "Code and resource paths haven't been set correctly"); 8512 } 8513 8514 // Make sure we're not adding any bogus keyset info 8515 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8516 ksms.assertScannedPackageValid(pkg); 8517 8518 synchronized (mPackages) { 8519 // The special "android" package can only be defined once 8520 if (pkg.packageName.equals("android")) { 8521 if (mAndroidApplication != null) { 8522 Slog.w(TAG, "*************************************************"); 8523 Slog.w(TAG, "Core android package being redefined. Skipping."); 8524 Slog.w(TAG, " codePath=" + pkg.codePath); 8525 Slog.w(TAG, "*************************************************"); 8526 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8527 "Core android package being redefined. Skipping."); 8528 } 8529 } 8530 8531 // A package name must be unique; don't allow duplicates 8532 if (mPackages.containsKey(pkg.packageName) 8533 || mSharedLibraries.containsKey(pkg.packageName)) { 8534 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8535 "Application package " + pkg.packageName 8536 + " already installed. Skipping duplicate."); 8537 } 8538 8539 // Only privileged apps and updated privileged apps can add child packages. 8540 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8541 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8542 throw new PackageManagerException("Only privileged apps can add child " 8543 + "packages. Ignoring package " + pkg.packageName); 8544 } 8545 final int childCount = pkg.childPackages.size(); 8546 for (int i = 0; i < childCount; i++) { 8547 PackageParser.Package childPkg = pkg.childPackages.get(i); 8548 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8549 childPkg.packageName)) { 8550 throw new PackageManagerException("Can't override child of " 8551 + "another disabled app. Ignoring package " + pkg.packageName); 8552 } 8553 } 8554 } 8555 8556 // If we're only installing presumed-existing packages, require that the 8557 // scanned APK is both already known and at the path previously established 8558 // for it. Previously unknown packages we pick up normally, but if we have an 8559 // a priori expectation about this package's install presence, enforce it. 8560 // With a singular exception for new system packages. When an OTA contains 8561 // a new system package, we allow the codepath to change from a system location 8562 // to the user-installed location. If we don't allow this change, any newer, 8563 // user-installed version of the application will be ignored. 8564 if ((policyFlags & SCAN_REQUIRE_KNOWN) != 0) { 8565 if (mExpectingBetter.containsKey(pkg.packageName)) { 8566 logCriticalInfo(Log.WARN, 8567 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8568 } else { 8569 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 8570 if (known != null) { 8571 if (DEBUG_PACKAGE_SCANNING) { 8572 Log.d(TAG, "Examining " + pkg.codePath 8573 + " and requiring known paths " + known.codePathString 8574 + " & " + known.resourcePathString); 8575 } 8576 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8577 || !pkg.applicationInfo.getResourcePath().equals( 8578 known.resourcePathString)) { 8579 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8580 "Application package " + pkg.packageName 8581 + " found at " + pkg.applicationInfo.getCodePath() 8582 + " but expected at " + known.codePathString 8583 + "; ignoring."); 8584 } 8585 } 8586 } 8587 } 8588 8589 // Verify that this new package doesn't have any content providers 8590 // that conflict with existing packages. Only do this if the 8591 // package isn't already installed, since we don't want to break 8592 // things that are installed. 8593 if ((policyFlags & SCAN_NEW_INSTALL) != 0) { 8594 final int N = pkg.providers.size(); 8595 int i; 8596 for (i=0; i<N; i++) { 8597 PackageParser.Provider p = pkg.providers.get(i); 8598 if (p.info.authority != null) { 8599 String names[] = p.info.authority.split(";"); 8600 for (int j = 0; j < names.length; j++) { 8601 if (mProvidersByAuthority.containsKey(names[j])) { 8602 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8603 final String otherPackageName = 8604 ((other != null && other.getComponentName() != null) ? 8605 other.getComponentName().getPackageName() : "?"); 8606 throw new PackageManagerException( 8607 INSTALL_FAILED_CONFLICTING_PROVIDER, 8608 "Can't install because provider name " + names[j] 8609 + " (in package " + pkg.applicationInfo.packageName 8610 + ") is already used by " + otherPackageName); 8611 } 8612 } 8613 } 8614 } 8615 } 8616 } 8617 } 8618 8619 /** 8620 * Adds a scanned package to the system. When this method is finished, the package will 8621 * be available for query, resolution, etc... 8622 */ 8623 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 8624 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 8625 final String pkgName = pkg.packageName; 8626 if (mCustomResolverComponentName != null && 8627 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8628 setUpCustomResolverActivity(pkg); 8629 } 8630 8631 if (pkg.packageName.equals("android")) { 8632 synchronized (mPackages) { 8633 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8634 // Set up information for our fall-back user intent resolution activity. 8635 mPlatformPackage = pkg; 8636 pkg.mVersionCode = mSdkVersion; 8637 mAndroidApplication = pkg.applicationInfo; 8638 8639 if (!mResolverReplaced) { 8640 mResolveActivity.applicationInfo = mAndroidApplication; 8641 mResolveActivity.name = ResolverActivity.class.getName(); 8642 mResolveActivity.packageName = mAndroidApplication.packageName; 8643 mResolveActivity.processName = "system:ui"; 8644 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8645 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8646 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8647 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8648 mResolveActivity.exported = true; 8649 mResolveActivity.enabled = true; 8650 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8651 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8652 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8653 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8654 | ActivityInfo.CONFIG_ORIENTATION 8655 | ActivityInfo.CONFIG_KEYBOARD 8656 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8657 mResolveInfo.activityInfo = mResolveActivity; 8658 mResolveInfo.priority = 0; 8659 mResolveInfo.preferredOrder = 0; 8660 mResolveInfo.match = 0; 8661 mResolveComponentName = new ComponentName( 8662 mAndroidApplication.packageName, mResolveActivity.name); 8663 } 8664 } 8665 } 8666 } 8667 8668 ArrayList<PackageParser.Package> clientLibPkgs = null; 8669 // writer 8670 synchronized (mPackages) { 8671 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8672 // Only system apps can add new shared libraries. 8673 if (pkg.libraryNames != null) { 8674 for (int i=0; i<pkg.libraryNames.size(); i++) { 8675 String name = pkg.libraryNames.get(i); 8676 boolean allowed = false; 8677 if (pkg.isUpdatedSystemApp()) { 8678 // New library entries can only be added through the 8679 // system image. This is important to get rid of a lot 8680 // of nasty edge cases: for example if we allowed a non- 8681 // system update of the app to add a library, then uninstalling 8682 // the update would make the library go away, and assumptions 8683 // we made such as through app install filtering would now 8684 // have allowed apps on the device which aren't compatible 8685 // with it. Better to just have the restriction here, be 8686 // conservative, and create many fewer cases that can negatively 8687 // impact the user experience. 8688 final PackageSetting sysPs = mSettings 8689 .getDisabledSystemPkgLPr(pkg.packageName); 8690 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8691 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8692 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8693 allowed = true; 8694 break; 8695 } 8696 } 8697 } 8698 } else { 8699 allowed = true; 8700 } 8701 if (allowed) { 8702 if (!mSharedLibraries.containsKey(name)) { 8703 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8704 } else if (!name.equals(pkg.packageName)) { 8705 Slog.w(TAG, "Package " + pkg.packageName + " library " 8706 + name + " already exists; skipping"); 8707 } 8708 } else { 8709 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8710 + name + " that is not declared on system image; skipping"); 8711 } 8712 } 8713 if ((scanFlags & SCAN_BOOTING) == 0) { 8714 // If we are not booting, we need to update any applications 8715 // that are clients of our shared library. If we are booting, 8716 // this will all be done once the scan is complete. 8717 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8718 } 8719 } 8720 } 8721 } 8722 8723 if ((scanFlags & SCAN_BOOTING) != 0) { 8724 // No apps can run during boot scan, so they don't need to be frozen 8725 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8726 // Caller asked to not kill app, so it's probably not frozen 8727 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8728 // Caller asked us to ignore frozen check for some reason; they 8729 // probably didn't know the package name 8730 } else { 8731 // We're doing major surgery on this package, so it better be frozen 8732 // right now to keep it from launching 8733 checkPackageFrozen(pkgName); 8734 } 8735 8736 // Also need to kill any apps that are dependent on the library. 8737 if (clientLibPkgs != null) { 8738 for (int i=0; i<clientLibPkgs.size(); i++) { 8739 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8740 killApplication(clientPkg.applicationInfo.packageName, 8741 clientPkg.applicationInfo.uid, "update lib"); 8742 } 8743 } 8744 8745 // writer 8746 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8747 8748 boolean createIdmapFailed = false; 8749 synchronized (mPackages) { 8750 // We don't expect installation to fail beyond this point 8751 8752 if (pkgSetting.pkg != null) { 8753 // Note that |user| might be null during the initial boot scan. If a codePath 8754 // for an app has changed during a boot scan, it's due to an app update that's 8755 // part of the system partition and marker changes must be applied to all users. 8756 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 8757 final int[] userIds = resolveUserIds(userId); 8758 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 8759 } 8760 8761 // Add the new setting to mSettings 8762 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8763 // Add the new setting to mPackages 8764 mPackages.put(pkg.applicationInfo.packageName, pkg); 8765 // Make sure we don't accidentally delete its data. 8766 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8767 while (iter.hasNext()) { 8768 PackageCleanItem item = iter.next(); 8769 if (pkgName.equals(item.packageName)) { 8770 iter.remove(); 8771 } 8772 } 8773 8774 // Add the package's KeySets to the global KeySetManagerService 8775 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8776 ksms.addScannedPackageLPw(pkg); 8777 8778 int N = pkg.providers.size(); 8779 StringBuilder r = null; 8780 int i; 8781 for (i=0; i<N; i++) { 8782 PackageParser.Provider p = pkg.providers.get(i); 8783 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8784 p.info.processName); 8785 mProviders.addProvider(p); 8786 p.syncable = p.info.isSyncable; 8787 if (p.info.authority != null) { 8788 String names[] = p.info.authority.split(";"); 8789 p.info.authority = null; 8790 for (int j = 0; j < names.length; j++) { 8791 if (j == 1 && p.syncable) { 8792 // We only want the first authority for a provider to possibly be 8793 // syncable, so if we already added this provider using a different 8794 // authority clear the syncable flag. We copy the provider before 8795 // changing it because the mProviders object contains a reference 8796 // to a provider that we don't want to change. 8797 // Only do this for the second authority since the resulting provider 8798 // object can be the same for all future authorities for this provider. 8799 p = new PackageParser.Provider(p); 8800 p.syncable = false; 8801 } 8802 if (!mProvidersByAuthority.containsKey(names[j])) { 8803 mProvidersByAuthority.put(names[j], p); 8804 if (p.info.authority == null) { 8805 p.info.authority = names[j]; 8806 } else { 8807 p.info.authority = p.info.authority + ";" + names[j]; 8808 } 8809 if (DEBUG_PACKAGE_SCANNING) { 8810 if (chatty) 8811 Log.d(TAG, "Registered content provider: " + names[j] 8812 + ", className = " + p.info.name + ", isSyncable = " 8813 + p.info.isSyncable); 8814 } 8815 } else { 8816 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8817 Slog.w(TAG, "Skipping provider name " + names[j] + 8818 " (in package " + pkg.applicationInfo.packageName + 8819 "): name already used by " 8820 + ((other != null && other.getComponentName() != null) 8821 ? other.getComponentName().getPackageName() : "?")); 8822 } 8823 } 8824 } 8825 if (chatty) { 8826 if (r == null) { 8827 r = new StringBuilder(256); 8828 } else { 8829 r.append(' '); 8830 } 8831 r.append(p.info.name); 8832 } 8833 } 8834 if (r != null) { 8835 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8836 } 8837 8838 N = pkg.services.size(); 8839 r = null; 8840 for (i=0; i<N; i++) { 8841 PackageParser.Service s = pkg.services.get(i); 8842 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8843 s.info.processName); 8844 mServices.addService(s); 8845 if (chatty) { 8846 if (r == null) { 8847 r = new StringBuilder(256); 8848 } else { 8849 r.append(' '); 8850 } 8851 r.append(s.info.name); 8852 } 8853 } 8854 if (r != null) { 8855 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8856 } 8857 8858 N = pkg.receivers.size(); 8859 r = null; 8860 for (i=0; i<N; i++) { 8861 PackageParser.Activity a = pkg.receivers.get(i); 8862 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8863 a.info.processName); 8864 mReceivers.addActivity(a, "receiver"); 8865 if (chatty) { 8866 if (r == null) { 8867 r = new StringBuilder(256); 8868 } else { 8869 r.append(' '); 8870 } 8871 r.append(a.info.name); 8872 } 8873 } 8874 if (r != null) { 8875 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8876 } 8877 8878 N = pkg.activities.size(); 8879 r = null; 8880 for (i=0; i<N; i++) { 8881 PackageParser.Activity a = pkg.activities.get(i); 8882 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8883 a.info.processName); 8884 mActivities.addActivity(a, "activity"); 8885 if (chatty) { 8886 if (r == null) { 8887 r = new StringBuilder(256); 8888 } else { 8889 r.append(' '); 8890 } 8891 r.append(a.info.name); 8892 } 8893 } 8894 if (r != null) { 8895 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8896 } 8897 8898 N = pkg.permissionGroups.size(); 8899 r = null; 8900 for (i=0; i<N; i++) { 8901 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8902 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8903 final String curPackageName = cur == null ? null : cur.info.packageName; 8904 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 8905 if (cur == null || isPackageUpdate) { 8906 mPermissionGroups.put(pg.info.name, pg); 8907 if (chatty) { 8908 if (r == null) { 8909 r = new StringBuilder(256); 8910 } else { 8911 r.append(' '); 8912 } 8913 if (isPackageUpdate) { 8914 r.append("UPD:"); 8915 } 8916 r.append(pg.info.name); 8917 } 8918 } else { 8919 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8920 + pg.info.packageName + " ignored: original from " 8921 + cur.info.packageName); 8922 if (chatty) { 8923 if (r == null) { 8924 r = new StringBuilder(256); 8925 } else { 8926 r.append(' '); 8927 } 8928 r.append("DUP:"); 8929 r.append(pg.info.name); 8930 } 8931 } 8932 } 8933 if (r != null) { 8934 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8935 } 8936 8937 N = pkg.permissions.size(); 8938 r = null; 8939 for (i=0; i<N; i++) { 8940 PackageParser.Permission p = pkg.permissions.get(i); 8941 8942 // Assume by default that we did not install this permission into the system. 8943 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8944 8945 // Now that permission groups have a special meaning, we ignore permission 8946 // groups for legacy apps to prevent unexpected behavior. In particular, 8947 // permissions for one app being granted to someone just becase they happen 8948 // to be in a group defined by another app (before this had no implications). 8949 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8950 p.group = mPermissionGroups.get(p.info.group); 8951 // Warn for a permission in an unknown group. 8952 if (p.info.group != null && p.group == null) { 8953 Slog.w(TAG, "Permission " + p.info.name + " from package " 8954 + p.info.packageName + " in an unknown group " + p.info.group); 8955 } 8956 } 8957 8958 ArrayMap<String, BasePermission> permissionMap = 8959 p.tree ? mSettings.mPermissionTrees 8960 : mSettings.mPermissions; 8961 BasePermission bp = permissionMap.get(p.info.name); 8962 8963 // Allow system apps to redefine non-system permissions 8964 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8965 final boolean currentOwnerIsSystem = (bp.perm != null 8966 && isSystemApp(bp.perm.owner)); 8967 if (isSystemApp(p.owner)) { 8968 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8969 // It's a built-in permission and no owner, take ownership now 8970 bp.packageSetting = pkgSetting; 8971 bp.perm = p; 8972 bp.uid = pkg.applicationInfo.uid; 8973 bp.sourcePackage = p.info.packageName; 8974 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8975 } else if (!currentOwnerIsSystem) { 8976 String msg = "New decl " + p.owner + " of permission " 8977 + p.info.name + " is system; overriding " + bp.sourcePackage; 8978 reportSettingsProblem(Log.WARN, msg); 8979 bp = null; 8980 } 8981 } 8982 } 8983 8984 if (bp == null) { 8985 bp = new BasePermission(p.info.name, p.info.packageName, 8986 BasePermission.TYPE_NORMAL); 8987 permissionMap.put(p.info.name, bp); 8988 } 8989 8990 if (bp.perm == null) { 8991 if (bp.sourcePackage == null 8992 || bp.sourcePackage.equals(p.info.packageName)) { 8993 BasePermission tree = findPermissionTreeLP(p.info.name); 8994 if (tree == null 8995 || tree.sourcePackage.equals(p.info.packageName)) { 8996 bp.packageSetting = pkgSetting; 8997 bp.perm = p; 8998 bp.uid = pkg.applicationInfo.uid; 8999 bp.sourcePackage = p.info.packageName; 9000 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 9001 if (chatty) { 9002 if (r == null) { 9003 r = new StringBuilder(256); 9004 } else { 9005 r.append(' '); 9006 } 9007 r.append(p.info.name); 9008 } 9009 } else { 9010 Slog.w(TAG, "Permission " + p.info.name + " from package " 9011 + p.info.packageName + " ignored: base tree " 9012 + tree.name + " is from package " 9013 + tree.sourcePackage); 9014 } 9015 } else { 9016 Slog.w(TAG, "Permission " + p.info.name + " from package " 9017 + p.info.packageName + " ignored: original from " 9018 + bp.sourcePackage); 9019 } 9020 } else if (chatty) { 9021 if (r == null) { 9022 r = new StringBuilder(256); 9023 } else { 9024 r.append(' '); 9025 } 9026 r.append("DUP:"); 9027 r.append(p.info.name); 9028 } 9029 if (bp.perm == p) { 9030 bp.protectionLevel = p.info.protectionLevel; 9031 } 9032 } 9033 9034 if (r != null) { 9035 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 9036 } 9037 9038 N = pkg.instrumentation.size(); 9039 r = null; 9040 for (i=0; i<N; i++) { 9041 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9042 a.info.packageName = pkg.applicationInfo.packageName; 9043 a.info.sourceDir = pkg.applicationInfo.sourceDir; 9044 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 9045 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 9046 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 9047 a.info.dataDir = pkg.applicationInfo.dataDir; 9048 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 9049 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 9050 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 9051 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 9052 mInstrumentation.put(a.getComponentName(), a); 9053 if (chatty) { 9054 if (r == null) { 9055 r = new StringBuilder(256); 9056 } else { 9057 r.append(' '); 9058 } 9059 r.append(a.info.name); 9060 } 9061 } 9062 if (r != null) { 9063 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 9064 } 9065 9066 if (pkg.protectedBroadcasts != null) { 9067 N = pkg.protectedBroadcasts.size(); 9068 for (i=0; i<N; i++) { 9069 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 9070 } 9071 } 9072 9073 // Create idmap files for pairs of (packages, overlay packages). 9074 // Note: "android", ie framework-res.apk, is handled by native layers. 9075 if (pkg.mOverlayTarget != null) { 9076 // This is an overlay package. 9077 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 9078 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 9079 mOverlays.put(pkg.mOverlayTarget, 9080 new ArrayMap<String, PackageParser.Package>()); 9081 } 9082 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 9083 map.put(pkg.packageName, pkg); 9084 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 9085 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 9086 createIdmapFailed = true; 9087 } 9088 } 9089 } else if (mOverlays.containsKey(pkg.packageName) && 9090 !pkg.packageName.equals("android")) { 9091 // This is a regular package, with one or more known overlay packages. 9092 createIdmapsForPackageLI(pkg); 9093 } 9094 } 9095 9096 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9097 9098 if (createIdmapFailed) { 9099 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9100 "scanPackageLI failed to createIdmap"); 9101 } 9102 } 9103 9104 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9105 PackageParser.Package update, int[] userIds) { 9106 if (existing.applicationInfo == null || update.applicationInfo == null) { 9107 // This isn't due to an app installation. 9108 return; 9109 } 9110 9111 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9112 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9113 9114 // The codePath hasn't changed, so there's nothing for us to do. 9115 if (Objects.equals(oldCodePath, newCodePath)) { 9116 return; 9117 } 9118 9119 File canonicalNewCodePath; 9120 try { 9121 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9122 } catch (IOException e) { 9123 Slog.w(TAG, "Failed to get canonical path.", e); 9124 return; 9125 } 9126 9127 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9128 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9129 // that the last component of the path (i.e, the name) doesn't need canonicalization 9130 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9131 // but may change in the future. Hopefully this function won't exist at that point. 9132 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9133 oldCodePath.getName()); 9134 9135 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9136 // with "@". 9137 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9138 if (!oldMarkerPrefix.endsWith("@")) { 9139 oldMarkerPrefix += "@"; 9140 } 9141 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9142 if (!newMarkerPrefix.endsWith("@")) { 9143 newMarkerPrefix += "@"; 9144 } 9145 9146 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9147 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9148 for (String updatedPath : updatedPaths) { 9149 String updatedPathName = new File(updatedPath).getName(); 9150 markerSuffixes.add(updatedPathName.replace('/', '@')); 9151 } 9152 9153 for (int userId : userIds) { 9154 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9155 9156 for (String markerSuffix : markerSuffixes) { 9157 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9158 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9159 if (oldForeignUseMark.exists()) { 9160 try { 9161 Os.rename(oldForeignUseMark.getAbsolutePath(), 9162 newForeignUseMark.getAbsolutePath()); 9163 } catch (ErrnoException e) { 9164 Slog.w(TAG, "Failed to rename foreign use marker", e); 9165 oldForeignUseMark.delete(); 9166 } 9167 } 9168 } 9169 } 9170 } 9171 9172 /** 9173 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9174 * is derived purely on the basis of the contents of {@code scanFile} and 9175 * {@code cpuAbiOverride}. 9176 * 9177 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9178 */ 9179 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9180 String cpuAbiOverride, boolean extractLibs, 9181 File appLib32InstallDir) 9182 throws PackageManagerException { 9183 // TODO: We can probably be smarter about this stuff. For installed apps, 9184 // we can calculate this information at install time once and for all. For 9185 // system apps, we can probably assume that this information doesn't change 9186 // after the first boot scan. As things stand, we do lots of unnecessary work. 9187 9188 // Give ourselves some initial paths; we'll come back for another 9189 // pass once we've determined ABI below. 9190 setNativeLibraryPaths(pkg, appLib32InstallDir); 9191 9192 // We would never need to extract libs for forward-locked and external packages, 9193 // since the container service will do it for us. We shouldn't attempt to 9194 // extract libs from system app when it was not updated. 9195 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9196 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9197 extractLibs = false; 9198 } 9199 9200 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9201 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9202 9203 NativeLibraryHelper.Handle handle = null; 9204 try { 9205 handle = NativeLibraryHelper.Handle.create(pkg); 9206 // TODO(multiArch): This can be null for apps that didn't go through the 9207 // usual installation process. We can calculate it again, like we 9208 // do during install time. 9209 // 9210 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9211 // unnecessary. 9212 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9213 9214 // Null out the abis so that they can be recalculated. 9215 pkg.applicationInfo.primaryCpuAbi = null; 9216 pkg.applicationInfo.secondaryCpuAbi = null; 9217 if (isMultiArch(pkg.applicationInfo)) { 9218 // Warn if we've set an abiOverride for multi-lib packages.. 9219 // By definition, we need to copy both 32 and 64 bit libraries for 9220 // such packages. 9221 if (pkg.cpuAbiOverride != null 9222 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9223 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9224 } 9225 9226 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9227 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9228 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9229 if (extractLibs) { 9230 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9231 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9232 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9233 useIsaSpecificSubdirs); 9234 } else { 9235 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9236 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9237 } 9238 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9239 } 9240 9241 maybeThrowExceptionForMultiArchCopy( 9242 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9243 9244 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9245 if (extractLibs) { 9246 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9247 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9248 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9249 useIsaSpecificSubdirs); 9250 } else { 9251 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9252 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9253 } 9254 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9255 } 9256 9257 maybeThrowExceptionForMultiArchCopy( 9258 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9259 9260 if (abi64 >= 0) { 9261 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9262 } 9263 9264 if (abi32 >= 0) { 9265 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9266 if (abi64 >= 0) { 9267 if (pkg.use32bitAbi) { 9268 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9269 pkg.applicationInfo.primaryCpuAbi = abi; 9270 } else { 9271 pkg.applicationInfo.secondaryCpuAbi = abi; 9272 } 9273 } else { 9274 pkg.applicationInfo.primaryCpuAbi = abi; 9275 } 9276 } 9277 9278 } else { 9279 String[] abiList = (cpuAbiOverride != null) ? 9280 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9281 9282 // Enable gross and lame hacks for apps that are built with old 9283 // SDK tools. We must scan their APKs for renderscript bitcode and 9284 // not launch them if it's present. Don't bother checking on devices 9285 // that don't have 64 bit support. 9286 boolean needsRenderScriptOverride = false; 9287 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9288 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9289 abiList = Build.SUPPORTED_32_BIT_ABIS; 9290 needsRenderScriptOverride = true; 9291 } 9292 9293 final int copyRet; 9294 if (extractLibs) { 9295 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9296 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9297 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9298 } else { 9299 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9300 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9301 } 9302 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9303 9304 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9305 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9306 "Error unpackaging native libs for app, errorCode=" + copyRet); 9307 } 9308 9309 if (copyRet >= 0) { 9310 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9311 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9312 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9313 } else if (needsRenderScriptOverride) { 9314 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9315 } 9316 } 9317 } catch (IOException ioe) { 9318 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9319 } finally { 9320 IoUtils.closeQuietly(handle); 9321 } 9322 9323 // Now that we've calculated the ABIs and determined if it's an internal app, 9324 // we will go ahead and populate the nativeLibraryPath. 9325 setNativeLibraryPaths(pkg, appLib32InstallDir); 9326 } 9327 9328 /** 9329 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9330 * i.e, so that all packages can be run inside a single process if required. 9331 * 9332 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9333 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9334 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9335 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9336 * updating a package that belongs to a shared user. 9337 * 9338 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9339 * adds unnecessary complexity. 9340 */ 9341 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9342 PackageParser.Package scannedPackage) { 9343 String requiredInstructionSet = null; 9344 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9345 requiredInstructionSet = VMRuntime.getInstructionSet( 9346 scannedPackage.applicationInfo.primaryCpuAbi); 9347 } 9348 9349 PackageSetting requirer = null; 9350 for (PackageSetting ps : packagesForUser) { 9351 // If packagesForUser contains scannedPackage, we skip it. This will happen 9352 // when scannedPackage is an update of an existing package. Without this check, 9353 // we will never be able to change the ABI of any package belonging to a shared 9354 // user, even if it's compatible with other packages. 9355 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9356 if (ps.primaryCpuAbiString == null) { 9357 continue; 9358 } 9359 9360 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9361 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9362 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9363 // this but there's not much we can do. 9364 String errorMessage = "Instruction set mismatch, " 9365 + ((requirer == null) ? "[caller]" : requirer) 9366 + " requires " + requiredInstructionSet + " whereas " + ps 9367 + " requires " + instructionSet; 9368 Slog.w(TAG, errorMessage); 9369 } 9370 9371 if (requiredInstructionSet == null) { 9372 requiredInstructionSet = instructionSet; 9373 requirer = ps; 9374 } 9375 } 9376 } 9377 9378 if (requiredInstructionSet != null) { 9379 String adjustedAbi; 9380 if (requirer != null) { 9381 // requirer != null implies that either scannedPackage was null or that scannedPackage 9382 // did not require an ABI, in which case we have to adjust scannedPackage to match 9383 // the ABI of the set (which is the same as requirer's ABI) 9384 adjustedAbi = requirer.primaryCpuAbiString; 9385 if (scannedPackage != null) { 9386 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9387 } 9388 } else { 9389 // requirer == null implies that we're updating all ABIs in the set to 9390 // match scannedPackage. 9391 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9392 } 9393 9394 for (PackageSetting ps : packagesForUser) { 9395 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9396 if (ps.primaryCpuAbiString != null) { 9397 continue; 9398 } 9399 9400 ps.primaryCpuAbiString = adjustedAbi; 9401 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9402 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9403 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9404 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9405 + " (requirer=" 9406 + (requirer == null ? "null" : requirer.pkg.packageName) 9407 + ", scannedPackage=" 9408 + (scannedPackage != null ? scannedPackage.packageName : "null") 9409 + ")"); 9410 try { 9411 mInstaller.rmdex(ps.codePathString, 9412 getDexCodeInstructionSet(getPreferredInstructionSet())); 9413 } catch (InstallerException ignored) { 9414 } 9415 } 9416 } 9417 } 9418 } 9419 } 9420 9421 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9422 synchronized (mPackages) { 9423 mResolverReplaced = true; 9424 // Set up information for custom user intent resolution activity. 9425 mResolveActivity.applicationInfo = pkg.applicationInfo; 9426 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9427 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9428 mResolveActivity.processName = pkg.applicationInfo.packageName; 9429 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9430 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9431 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9432 mResolveActivity.theme = 0; 9433 mResolveActivity.exported = true; 9434 mResolveActivity.enabled = true; 9435 mResolveInfo.activityInfo = mResolveActivity; 9436 mResolveInfo.priority = 0; 9437 mResolveInfo.preferredOrder = 0; 9438 mResolveInfo.match = 0; 9439 mResolveComponentName = mCustomResolverComponentName; 9440 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9441 mResolveComponentName); 9442 } 9443 } 9444 9445 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9446 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9447 9448 // Set up information for ephemeral installer activity 9449 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9450 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9451 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9452 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9453 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9454 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9455 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9456 mEphemeralInstallerActivity.theme = 0; 9457 mEphemeralInstallerActivity.exported = true; 9458 mEphemeralInstallerActivity.enabled = true; 9459 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9460 mEphemeralInstallerInfo.priority = 0; 9461 mEphemeralInstallerInfo.preferredOrder = 1; 9462 mEphemeralInstallerInfo.isDefault = true; 9463 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9464 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9465 9466 if (DEBUG_EPHEMERAL) { 9467 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9468 } 9469 } 9470 9471 private static String calculateBundledApkRoot(final String codePathString) { 9472 final File codePath = new File(codePathString); 9473 final File codeRoot; 9474 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9475 codeRoot = Environment.getRootDirectory(); 9476 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9477 codeRoot = Environment.getOemDirectory(); 9478 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9479 codeRoot = Environment.getVendorDirectory(); 9480 } else { 9481 // Unrecognized code path; take its top real segment as the apk root: 9482 // e.g. /something/app/blah.apk => /something 9483 try { 9484 File f = codePath.getCanonicalFile(); 9485 File parent = f.getParentFile(); // non-null because codePath is a file 9486 File tmp; 9487 while ((tmp = parent.getParentFile()) != null) { 9488 f = parent; 9489 parent = tmp; 9490 } 9491 codeRoot = f; 9492 Slog.w(TAG, "Unrecognized code path " 9493 + codePath + " - using " + codeRoot); 9494 } catch (IOException e) { 9495 // Can't canonicalize the code path -- shenanigans? 9496 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9497 return Environment.getRootDirectory().getPath(); 9498 } 9499 } 9500 return codeRoot.getPath(); 9501 } 9502 9503 /** 9504 * Derive and set the location of native libraries for the given package, 9505 * which varies depending on where and how the package was installed. 9506 */ 9507 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 9508 final ApplicationInfo info = pkg.applicationInfo; 9509 final String codePath = pkg.codePath; 9510 final File codeFile = new File(codePath); 9511 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9512 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9513 9514 info.nativeLibraryRootDir = null; 9515 info.nativeLibraryRootRequiresIsa = false; 9516 info.nativeLibraryDir = null; 9517 info.secondaryNativeLibraryDir = null; 9518 9519 if (isApkFile(codeFile)) { 9520 // Monolithic install 9521 if (bundledApp) { 9522 // If "/system/lib64/apkname" exists, assume that is the per-package 9523 // native library directory to use; otherwise use "/system/lib/apkname". 9524 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9525 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9526 getPrimaryInstructionSet(info)); 9527 9528 // This is a bundled system app so choose the path based on the ABI. 9529 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9530 // is just the default path. 9531 final String apkName = deriveCodePathName(codePath); 9532 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9533 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9534 apkName).getAbsolutePath(); 9535 9536 if (info.secondaryCpuAbi != null) { 9537 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9538 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9539 secondaryLibDir, apkName).getAbsolutePath(); 9540 } 9541 } else if (asecApp) { 9542 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9543 .getAbsolutePath(); 9544 } else { 9545 final String apkName = deriveCodePathName(codePath); 9546 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 9547 .getAbsolutePath(); 9548 } 9549 9550 info.nativeLibraryRootRequiresIsa = false; 9551 info.nativeLibraryDir = info.nativeLibraryRootDir; 9552 } else { 9553 // Cluster install 9554 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9555 info.nativeLibraryRootRequiresIsa = true; 9556 9557 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9558 getPrimaryInstructionSet(info)).getAbsolutePath(); 9559 9560 if (info.secondaryCpuAbi != null) { 9561 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9562 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9563 } 9564 } 9565 } 9566 9567 /** 9568 * Calculate the abis and roots for a bundled app. These can uniquely 9569 * be determined from the contents of the system partition, i.e whether 9570 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9571 * of this information, and instead assume that the system was built 9572 * sensibly. 9573 */ 9574 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9575 PackageSetting pkgSetting) { 9576 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9577 9578 // If "/system/lib64/apkname" exists, assume that is the per-package 9579 // native library directory to use; otherwise use "/system/lib/apkname". 9580 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9581 setBundledAppAbi(pkg, apkRoot, apkName); 9582 // pkgSetting might be null during rescan following uninstall of updates 9583 // to a bundled app, so accommodate that possibility. The settings in 9584 // that case will be established later from the parsed package. 9585 // 9586 // If the settings aren't null, sync them up with what we've just derived. 9587 // note that apkRoot isn't stored in the package settings. 9588 if (pkgSetting != null) { 9589 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9590 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9591 } 9592 } 9593 9594 /** 9595 * Deduces the ABI of a bundled app and sets the relevant fields on the 9596 * parsed pkg object. 9597 * 9598 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9599 * under which system libraries are installed. 9600 * @param apkName the name of the installed package. 9601 */ 9602 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9603 final File codeFile = new File(pkg.codePath); 9604 9605 final boolean has64BitLibs; 9606 final boolean has32BitLibs; 9607 if (isApkFile(codeFile)) { 9608 // Monolithic install 9609 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9610 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9611 } else { 9612 // Cluster install 9613 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9614 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9615 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9616 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9617 has64BitLibs = (new File(rootDir, isa)).exists(); 9618 } else { 9619 has64BitLibs = false; 9620 } 9621 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9622 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9623 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9624 has32BitLibs = (new File(rootDir, isa)).exists(); 9625 } else { 9626 has32BitLibs = false; 9627 } 9628 } 9629 9630 if (has64BitLibs && !has32BitLibs) { 9631 // The package has 64 bit libs, but not 32 bit libs. Its primary 9632 // ABI should be 64 bit. We can safely assume here that the bundled 9633 // native libraries correspond to the most preferred ABI in the list. 9634 9635 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9636 pkg.applicationInfo.secondaryCpuAbi = null; 9637 } else if (has32BitLibs && !has64BitLibs) { 9638 // The package has 32 bit libs but not 64 bit libs. Its primary 9639 // ABI should be 32 bit. 9640 9641 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9642 pkg.applicationInfo.secondaryCpuAbi = null; 9643 } else if (has32BitLibs && has64BitLibs) { 9644 // The application has both 64 and 32 bit bundled libraries. We check 9645 // here that the app declares multiArch support, and warn if it doesn't. 9646 // 9647 // We will be lenient here and record both ABIs. The primary will be the 9648 // ABI that's higher on the list, i.e, a device that's configured to prefer 9649 // 64 bit apps will see a 64 bit primary ABI, 9650 9651 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9652 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9653 } 9654 9655 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9656 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9657 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9658 } else { 9659 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9660 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9661 } 9662 } else { 9663 pkg.applicationInfo.primaryCpuAbi = null; 9664 pkg.applicationInfo.secondaryCpuAbi = null; 9665 } 9666 } 9667 9668 private void killApplication(String pkgName, int appId, String reason) { 9669 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9670 } 9671 9672 private void killApplication(String pkgName, int appId, int userId, String reason) { 9673 // Request the ActivityManager to kill the process(only for existing packages) 9674 // so that we do not end up in a confused state while the user is still using the older 9675 // version of the application while the new one gets installed. 9676 final long token = Binder.clearCallingIdentity(); 9677 try { 9678 IActivityManager am = ActivityManagerNative.getDefault(); 9679 if (am != null) { 9680 try { 9681 am.killApplication(pkgName, appId, userId, reason); 9682 } catch (RemoteException e) { 9683 } 9684 } 9685 } finally { 9686 Binder.restoreCallingIdentity(token); 9687 } 9688 } 9689 9690 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9691 // Remove the parent package setting 9692 PackageSetting ps = (PackageSetting) pkg.mExtras; 9693 if (ps != null) { 9694 removePackageLI(ps, chatty); 9695 } 9696 // Remove the child package setting 9697 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9698 for (int i = 0; i < childCount; i++) { 9699 PackageParser.Package childPkg = pkg.childPackages.get(i); 9700 ps = (PackageSetting) childPkg.mExtras; 9701 if (ps != null) { 9702 removePackageLI(ps, chatty); 9703 } 9704 } 9705 } 9706 9707 void removePackageLI(PackageSetting ps, boolean chatty) { 9708 if (DEBUG_INSTALL) { 9709 if (chatty) 9710 Log.d(TAG, "Removing package " + ps.name); 9711 } 9712 9713 // writer 9714 synchronized (mPackages) { 9715 mPackages.remove(ps.name); 9716 final PackageParser.Package pkg = ps.pkg; 9717 if (pkg != null) { 9718 cleanPackageDataStructuresLILPw(pkg, chatty); 9719 } 9720 } 9721 } 9722 9723 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9724 if (DEBUG_INSTALL) { 9725 if (chatty) 9726 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9727 } 9728 9729 // writer 9730 synchronized (mPackages) { 9731 // Remove the parent package 9732 mPackages.remove(pkg.applicationInfo.packageName); 9733 cleanPackageDataStructuresLILPw(pkg, chatty); 9734 9735 // Remove the child packages 9736 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9737 for (int i = 0; i < childCount; i++) { 9738 PackageParser.Package childPkg = pkg.childPackages.get(i); 9739 mPackages.remove(childPkg.applicationInfo.packageName); 9740 cleanPackageDataStructuresLILPw(childPkg, chatty); 9741 } 9742 } 9743 } 9744 9745 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9746 int N = pkg.providers.size(); 9747 StringBuilder r = null; 9748 int i; 9749 for (i=0; i<N; i++) { 9750 PackageParser.Provider p = pkg.providers.get(i); 9751 mProviders.removeProvider(p); 9752 if (p.info.authority == null) { 9753 9754 /* There was another ContentProvider with this authority when 9755 * this app was installed so this authority is null, 9756 * Ignore it as we don't have to unregister the provider. 9757 */ 9758 continue; 9759 } 9760 String names[] = p.info.authority.split(";"); 9761 for (int j = 0; j < names.length; j++) { 9762 if (mProvidersByAuthority.get(names[j]) == p) { 9763 mProvidersByAuthority.remove(names[j]); 9764 if (DEBUG_REMOVE) { 9765 if (chatty) 9766 Log.d(TAG, "Unregistered content provider: " + names[j] 9767 + ", className = " + p.info.name + ", isSyncable = " 9768 + p.info.isSyncable); 9769 } 9770 } 9771 } 9772 if (DEBUG_REMOVE && chatty) { 9773 if (r == null) { 9774 r = new StringBuilder(256); 9775 } else { 9776 r.append(' '); 9777 } 9778 r.append(p.info.name); 9779 } 9780 } 9781 if (r != null) { 9782 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9783 } 9784 9785 N = pkg.services.size(); 9786 r = null; 9787 for (i=0; i<N; i++) { 9788 PackageParser.Service s = pkg.services.get(i); 9789 mServices.removeService(s); 9790 if (chatty) { 9791 if (r == null) { 9792 r = new StringBuilder(256); 9793 } else { 9794 r.append(' '); 9795 } 9796 r.append(s.info.name); 9797 } 9798 } 9799 if (r != null) { 9800 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9801 } 9802 9803 N = pkg.receivers.size(); 9804 r = null; 9805 for (i=0; i<N; i++) { 9806 PackageParser.Activity a = pkg.receivers.get(i); 9807 mReceivers.removeActivity(a, "receiver"); 9808 if (DEBUG_REMOVE && chatty) { 9809 if (r == null) { 9810 r = new StringBuilder(256); 9811 } else { 9812 r.append(' '); 9813 } 9814 r.append(a.info.name); 9815 } 9816 } 9817 if (r != null) { 9818 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9819 } 9820 9821 N = pkg.activities.size(); 9822 r = null; 9823 for (i=0; i<N; i++) { 9824 PackageParser.Activity a = pkg.activities.get(i); 9825 mActivities.removeActivity(a, "activity"); 9826 if (DEBUG_REMOVE && chatty) { 9827 if (r == null) { 9828 r = new StringBuilder(256); 9829 } else { 9830 r.append(' '); 9831 } 9832 r.append(a.info.name); 9833 } 9834 } 9835 if (r != null) { 9836 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9837 } 9838 9839 N = pkg.permissions.size(); 9840 r = null; 9841 for (i=0; i<N; i++) { 9842 PackageParser.Permission p = pkg.permissions.get(i); 9843 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9844 if (bp == null) { 9845 bp = mSettings.mPermissionTrees.get(p.info.name); 9846 } 9847 if (bp != null && bp.perm == p) { 9848 bp.perm = null; 9849 if (DEBUG_REMOVE && chatty) { 9850 if (r == null) { 9851 r = new StringBuilder(256); 9852 } else { 9853 r.append(' '); 9854 } 9855 r.append(p.info.name); 9856 } 9857 } 9858 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9859 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9860 if (appOpPkgs != null) { 9861 appOpPkgs.remove(pkg.packageName); 9862 } 9863 } 9864 } 9865 if (r != null) { 9866 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9867 } 9868 9869 N = pkg.requestedPermissions.size(); 9870 r = null; 9871 for (i=0; i<N; i++) { 9872 String perm = pkg.requestedPermissions.get(i); 9873 BasePermission bp = mSettings.mPermissions.get(perm); 9874 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9875 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9876 if (appOpPkgs != null) { 9877 appOpPkgs.remove(pkg.packageName); 9878 if (appOpPkgs.isEmpty()) { 9879 mAppOpPermissionPackages.remove(perm); 9880 } 9881 } 9882 } 9883 } 9884 if (r != null) { 9885 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9886 } 9887 9888 N = pkg.instrumentation.size(); 9889 r = null; 9890 for (i=0; i<N; i++) { 9891 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9892 mInstrumentation.remove(a.getComponentName()); 9893 if (DEBUG_REMOVE && chatty) { 9894 if (r == null) { 9895 r = new StringBuilder(256); 9896 } else { 9897 r.append(' '); 9898 } 9899 r.append(a.info.name); 9900 } 9901 } 9902 if (r != null) { 9903 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9904 } 9905 9906 r = null; 9907 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9908 // Only system apps can hold shared libraries. 9909 if (pkg.libraryNames != null) { 9910 for (i=0; i<pkg.libraryNames.size(); i++) { 9911 String name = pkg.libraryNames.get(i); 9912 SharedLibraryEntry cur = mSharedLibraries.get(name); 9913 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9914 mSharedLibraries.remove(name); 9915 if (DEBUG_REMOVE && chatty) { 9916 if (r == null) { 9917 r = new StringBuilder(256); 9918 } else { 9919 r.append(' '); 9920 } 9921 r.append(name); 9922 } 9923 } 9924 } 9925 } 9926 } 9927 if (r != null) { 9928 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9929 } 9930 } 9931 9932 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9933 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9934 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9935 return true; 9936 } 9937 } 9938 return false; 9939 } 9940 9941 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9942 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9943 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9944 9945 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9946 // Update the parent permissions 9947 updatePermissionsLPw(pkg.packageName, pkg, flags); 9948 // Update the child permissions 9949 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9950 for (int i = 0; i < childCount; i++) { 9951 PackageParser.Package childPkg = pkg.childPackages.get(i); 9952 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9953 } 9954 } 9955 9956 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9957 int flags) { 9958 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9959 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9960 } 9961 9962 private void updatePermissionsLPw(String changingPkg, 9963 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9964 // Make sure there are no dangling permission trees. 9965 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9966 while (it.hasNext()) { 9967 final BasePermission bp = it.next(); 9968 if (bp.packageSetting == null) { 9969 // We may not yet have parsed the package, so just see if 9970 // we still know about its settings. 9971 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9972 } 9973 if (bp.packageSetting == null) { 9974 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9975 + " from package " + bp.sourcePackage); 9976 it.remove(); 9977 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9978 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9979 Slog.i(TAG, "Removing old permission tree: " + bp.name 9980 + " from package " + bp.sourcePackage); 9981 flags |= UPDATE_PERMISSIONS_ALL; 9982 it.remove(); 9983 } 9984 } 9985 } 9986 9987 // Make sure all dynamic permissions have been assigned to a package, 9988 // and make sure there are no dangling permissions. 9989 it = mSettings.mPermissions.values().iterator(); 9990 while (it.hasNext()) { 9991 final BasePermission bp = it.next(); 9992 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9993 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9994 + bp.name + " pkg=" + bp.sourcePackage 9995 + " info=" + bp.pendingInfo); 9996 if (bp.packageSetting == null && bp.pendingInfo != null) { 9997 final BasePermission tree = findPermissionTreeLP(bp.name); 9998 if (tree != null && tree.perm != null) { 9999 bp.packageSetting = tree.packageSetting; 10000 bp.perm = new PackageParser.Permission(tree.perm.owner, 10001 new PermissionInfo(bp.pendingInfo)); 10002 bp.perm.info.packageName = tree.perm.info.packageName; 10003 bp.perm.info.name = bp.name; 10004 bp.uid = tree.uid; 10005 } 10006 } 10007 } 10008 if (bp.packageSetting == null) { 10009 // We may not yet have parsed the package, so just see if 10010 // we still know about its settings. 10011 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 10012 } 10013 if (bp.packageSetting == null) { 10014 Slog.w(TAG, "Removing dangling permission: " + bp.name 10015 + " from package " + bp.sourcePackage); 10016 it.remove(); 10017 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 10018 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 10019 Slog.i(TAG, "Removing old permission: " + bp.name 10020 + " from package " + bp.sourcePackage); 10021 flags |= UPDATE_PERMISSIONS_ALL; 10022 it.remove(); 10023 } 10024 } 10025 } 10026 10027 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 10028 // Now update the permissions for all packages, in particular 10029 // replace the granted permissions of the system packages. 10030 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 10031 for (PackageParser.Package pkg : mPackages.values()) { 10032 if (pkg != pkgInfo) { 10033 // Only replace for packages on requested volume 10034 final String volumeUuid = getVolumeUuidForPackage(pkg); 10035 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 10036 && Objects.equals(replaceVolumeUuid, volumeUuid); 10037 grantPermissionsLPw(pkg, replace, changingPkg); 10038 } 10039 } 10040 } 10041 10042 if (pkgInfo != null) { 10043 // Only replace for packages on requested volume 10044 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 10045 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 10046 && Objects.equals(replaceVolumeUuid, volumeUuid); 10047 grantPermissionsLPw(pkgInfo, replace, changingPkg); 10048 } 10049 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10050 } 10051 10052 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 10053 String packageOfInterest) { 10054 // IMPORTANT: There are two types of permissions: install and runtime. 10055 // Install time permissions are granted when the app is installed to 10056 // all device users and users added in the future. Runtime permissions 10057 // are granted at runtime explicitly to specific users. Normal and signature 10058 // protected permissions are install time permissions. Dangerous permissions 10059 // are install permissions if the app's target SDK is Lollipop MR1 or older, 10060 // otherwise they are runtime permissions. This function does not manage 10061 // runtime permissions except for the case an app targeting Lollipop MR1 10062 // being upgraded to target a newer SDK, in which case dangerous permissions 10063 // are transformed from install time to runtime ones. 10064 10065 final PackageSetting ps = (PackageSetting) pkg.mExtras; 10066 if (ps == null) { 10067 return; 10068 } 10069 10070 PermissionsState permissionsState = ps.getPermissionsState(); 10071 PermissionsState origPermissions = permissionsState; 10072 10073 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 10074 10075 boolean runtimePermissionsRevoked = false; 10076 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 10077 10078 boolean changedInstallPermission = false; 10079 10080 if (replace) { 10081 ps.installPermissionsFixed = false; 10082 if (!ps.isSharedUser()) { 10083 origPermissions = new PermissionsState(permissionsState); 10084 permissionsState.reset(); 10085 } else { 10086 // We need to know only about runtime permission changes since the 10087 // calling code always writes the install permissions state but 10088 // the runtime ones are written only if changed. The only cases of 10089 // changed runtime permissions here are promotion of an install to 10090 // runtime and revocation of a runtime from a shared user. 10091 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 10092 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10093 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10094 runtimePermissionsRevoked = true; 10095 } 10096 } 10097 } 10098 10099 permissionsState.setGlobalGids(mGlobalGids); 10100 10101 final int N = pkg.requestedPermissions.size(); 10102 for (int i=0; i<N; i++) { 10103 final String name = pkg.requestedPermissions.get(i); 10104 final BasePermission bp = mSettings.mPermissions.get(name); 10105 10106 if (DEBUG_INSTALL) { 10107 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10108 } 10109 10110 if (bp == null || bp.packageSetting == null) { 10111 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10112 Slog.w(TAG, "Unknown permission " + name 10113 + " in package " + pkg.packageName); 10114 } 10115 continue; 10116 } 10117 10118 10119 // Limit ephemeral apps to ephemeral allowed permissions. 10120 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 10121 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 10122 + pkg.packageName); 10123 continue; 10124 } 10125 10126 final String perm = bp.name; 10127 boolean allowedSig = false; 10128 int grant = GRANT_DENIED; 10129 10130 // Keep track of app op permissions. 10131 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10132 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10133 if (pkgs == null) { 10134 pkgs = new ArraySet<>(); 10135 mAppOpPermissionPackages.put(bp.name, pkgs); 10136 } 10137 pkgs.add(pkg.packageName); 10138 } 10139 10140 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10141 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10142 >= Build.VERSION_CODES.M; 10143 switch (level) { 10144 case PermissionInfo.PROTECTION_NORMAL: { 10145 // For all apps normal permissions are install time ones. 10146 grant = GRANT_INSTALL; 10147 } break; 10148 10149 case PermissionInfo.PROTECTION_DANGEROUS: { 10150 // If a permission review is required for legacy apps we represent 10151 // their permissions as always granted runtime ones since we need 10152 // to keep the review required permission flag per user while an 10153 // install permission's state is shared across all users. 10154 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 10155 // For legacy apps dangerous permissions are install time ones. 10156 grant = GRANT_INSTALL; 10157 } else if (origPermissions.hasInstallPermission(bp.name)) { 10158 // For legacy apps that became modern, install becomes runtime. 10159 grant = GRANT_UPGRADE; 10160 } else if (mPromoteSystemApps 10161 && isSystemApp(ps) 10162 && mExistingSystemPackages.contains(ps.name)) { 10163 // For legacy system apps, install becomes runtime. 10164 // We cannot check hasInstallPermission() for system apps since those 10165 // permissions were granted implicitly and not persisted pre-M. 10166 grant = GRANT_UPGRADE; 10167 } else { 10168 // For modern apps keep runtime permissions unchanged. 10169 grant = GRANT_RUNTIME; 10170 } 10171 } break; 10172 10173 case PermissionInfo.PROTECTION_SIGNATURE: { 10174 // For all apps signature permissions are install time ones. 10175 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10176 if (allowedSig) { 10177 grant = GRANT_INSTALL; 10178 } 10179 } break; 10180 } 10181 10182 if (DEBUG_INSTALL) { 10183 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10184 } 10185 10186 if (grant != GRANT_DENIED) { 10187 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10188 // If this is an existing, non-system package, then 10189 // we can't add any new permissions to it. 10190 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10191 // Except... if this is a permission that was added 10192 // to the platform (note: need to only do this when 10193 // updating the platform). 10194 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10195 grant = GRANT_DENIED; 10196 } 10197 } 10198 } 10199 10200 switch (grant) { 10201 case GRANT_INSTALL: { 10202 // Revoke this as runtime permission to handle the case of 10203 // a runtime permission being downgraded to an install one. 10204 // Also in permission review mode we keep dangerous permissions 10205 // for legacy apps 10206 for (int userId : UserManagerService.getInstance().getUserIds()) { 10207 if (origPermissions.getRuntimePermissionState( 10208 bp.name, userId) != null) { 10209 // Revoke the runtime permission and clear the flags. 10210 origPermissions.revokeRuntimePermission(bp, userId); 10211 origPermissions.updatePermissionFlags(bp, userId, 10212 PackageManager.MASK_PERMISSION_FLAGS, 0); 10213 // If we revoked a permission permission, we have to write. 10214 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10215 changedRuntimePermissionUserIds, userId); 10216 } 10217 } 10218 // Grant an install permission. 10219 if (permissionsState.grantInstallPermission(bp) != 10220 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10221 changedInstallPermission = true; 10222 } 10223 } break; 10224 10225 case GRANT_RUNTIME: { 10226 // Grant previously granted runtime permissions. 10227 for (int userId : UserManagerService.getInstance().getUserIds()) { 10228 PermissionState permissionState = origPermissions 10229 .getRuntimePermissionState(bp.name, userId); 10230 int flags = permissionState != null 10231 ? permissionState.getFlags() : 0; 10232 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10233 if (permissionsState.grantRuntimePermission(bp, userId) == 10234 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10235 // If we cannot put the permission as it was, we have to write. 10236 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10237 changedRuntimePermissionUserIds, userId); 10238 } 10239 // If the app supports runtime permissions no need for a review. 10240 if (mPermissionReviewRequired 10241 && appSupportsRuntimePermissions 10242 && (flags & PackageManager 10243 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10244 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10245 // Since we changed the flags, we have to write. 10246 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10247 changedRuntimePermissionUserIds, userId); 10248 } 10249 } else if (mPermissionReviewRequired 10250 && !appSupportsRuntimePermissions) { 10251 // For legacy apps that need a permission review, every new 10252 // runtime permission is granted but it is pending a review. 10253 // We also need to review only platform defined runtime 10254 // permissions as these are the only ones the platform knows 10255 // how to disable the API to simulate revocation as legacy 10256 // apps don't expect to run with revoked permissions. 10257 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10258 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10259 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10260 // We changed the flags, hence have to write. 10261 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10262 changedRuntimePermissionUserIds, userId); 10263 } 10264 } 10265 if (permissionsState.grantRuntimePermission(bp, userId) 10266 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10267 // We changed the permission, hence have to write. 10268 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10269 changedRuntimePermissionUserIds, userId); 10270 } 10271 } 10272 // Propagate the permission flags. 10273 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10274 } 10275 } break; 10276 10277 case GRANT_UPGRADE: { 10278 // Grant runtime permissions for a previously held install permission. 10279 PermissionState permissionState = origPermissions 10280 .getInstallPermissionState(bp.name); 10281 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10282 10283 if (origPermissions.revokeInstallPermission(bp) 10284 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10285 // We will be transferring the permission flags, so clear them. 10286 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10287 PackageManager.MASK_PERMISSION_FLAGS, 0); 10288 changedInstallPermission = true; 10289 } 10290 10291 // If the permission is not to be promoted to runtime we ignore it and 10292 // also its other flags as they are not applicable to install permissions. 10293 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10294 for (int userId : currentUserIds) { 10295 if (permissionsState.grantRuntimePermission(bp, userId) != 10296 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10297 // Transfer the permission flags. 10298 permissionsState.updatePermissionFlags(bp, userId, 10299 flags, flags); 10300 // If we granted the permission, we have to write. 10301 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10302 changedRuntimePermissionUserIds, userId); 10303 } 10304 } 10305 } 10306 } break; 10307 10308 default: { 10309 if (packageOfInterest == null 10310 || packageOfInterest.equals(pkg.packageName)) { 10311 Slog.w(TAG, "Not granting permission " + perm 10312 + " to package " + pkg.packageName 10313 + " because it was previously installed without"); 10314 } 10315 } break; 10316 } 10317 } else { 10318 if (permissionsState.revokeInstallPermission(bp) != 10319 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10320 // Also drop the permission flags. 10321 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10322 PackageManager.MASK_PERMISSION_FLAGS, 0); 10323 changedInstallPermission = true; 10324 Slog.i(TAG, "Un-granting permission " + perm 10325 + " from package " + pkg.packageName 10326 + " (protectionLevel=" + bp.protectionLevel 10327 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10328 + ")"); 10329 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10330 // Don't print warning for app op permissions, since it is fine for them 10331 // not to be granted, there is a UI for the user to decide. 10332 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10333 Slog.w(TAG, "Not granting permission " + perm 10334 + " to package " + pkg.packageName 10335 + " (protectionLevel=" + bp.protectionLevel 10336 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10337 + ")"); 10338 } 10339 } 10340 } 10341 } 10342 10343 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10344 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10345 // This is the first that we have heard about this package, so the 10346 // permissions we have now selected are fixed until explicitly 10347 // changed. 10348 ps.installPermissionsFixed = true; 10349 } 10350 10351 // Persist the runtime permissions state for users with changes. If permissions 10352 // were revoked because no app in the shared user declares them we have to 10353 // write synchronously to avoid losing runtime permissions state. 10354 for (int userId : changedRuntimePermissionUserIds) { 10355 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10356 } 10357 } 10358 10359 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10360 boolean allowed = false; 10361 final int NP = PackageParser.NEW_PERMISSIONS.length; 10362 for (int ip=0; ip<NP; ip++) { 10363 final PackageParser.NewPermissionInfo npi 10364 = PackageParser.NEW_PERMISSIONS[ip]; 10365 if (npi.name.equals(perm) 10366 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10367 allowed = true; 10368 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10369 + pkg.packageName); 10370 break; 10371 } 10372 } 10373 return allowed; 10374 } 10375 10376 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10377 BasePermission bp, PermissionsState origPermissions) { 10378 boolean allowed; 10379 allowed = (compareSignatures( 10380 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10381 == PackageManager.SIGNATURE_MATCH) 10382 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10383 == PackageManager.SIGNATURE_MATCH); 10384 if (!allowed && (bp.protectionLevel 10385 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10386 if (isSystemApp(pkg)) { 10387 // For updated system applications, a system permission 10388 // is granted only if it had been defined by the original application. 10389 if (pkg.isUpdatedSystemApp()) { 10390 final PackageSetting sysPs = mSettings 10391 .getDisabledSystemPkgLPr(pkg.packageName); 10392 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10393 // If the original was granted this permission, we take 10394 // that grant decision as read and propagate it to the 10395 // update. 10396 if (sysPs.isPrivileged()) { 10397 allowed = true; 10398 } 10399 } else { 10400 // The system apk may have been updated with an older 10401 // version of the one on the data partition, but which 10402 // granted a new system permission that it didn't have 10403 // before. In this case we do want to allow the app to 10404 // now get the new permission if the ancestral apk is 10405 // privileged to get it. 10406 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10407 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10408 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10409 allowed = true; 10410 break; 10411 } 10412 } 10413 } 10414 // Also if a privileged parent package on the system image or any of 10415 // its children requested a privileged permission, the updated child 10416 // packages can also get the permission. 10417 if (pkg.parentPackage != null) { 10418 final PackageSetting disabledSysParentPs = mSettings 10419 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10420 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10421 && disabledSysParentPs.isPrivileged()) { 10422 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10423 allowed = true; 10424 } else if (disabledSysParentPs.pkg.childPackages != null) { 10425 final int count = disabledSysParentPs.pkg.childPackages.size(); 10426 for (int i = 0; i < count; i++) { 10427 PackageParser.Package disabledSysChildPkg = 10428 disabledSysParentPs.pkg.childPackages.get(i); 10429 if (isPackageRequestingPermission(disabledSysChildPkg, 10430 perm)) { 10431 allowed = true; 10432 break; 10433 } 10434 } 10435 } 10436 } 10437 } 10438 } 10439 } else { 10440 allowed = isPrivilegedApp(pkg); 10441 } 10442 } 10443 } 10444 if (!allowed) { 10445 if (!allowed && (bp.protectionLevel 10446 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10447 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10448 // If this was a previously normal/dangerous permission that got moved 10449 // to a system permission as part of the runtime permission redesign, then 10450 // we still want to blindly grant it to old apps. 10451 allowed = true; 10452 } 10453 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10454 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10455 // If this permission is to be granted to the system installer and 10456 // this app is an installer, then it gets the permission. 10457 allowed = true; 10458 } 10459 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10460 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10461 // If this permission is to be granted to the system verifier and 10462 // this app is a verifier, then it gets the permission. 10463 allowed = true; 10464 } 10465 if (!allowed && (bp.protectionLevel 10466 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10467 && isSystemApp(pkg)) { 10468 // Any pre-installed system app is allowed to get this permission. 10469 allowed = true; 10470 } 10471 if (!allowed && (bp.protectionLevel 10472 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10473 // For development permissions, a development permission 10474 // is granted only if it was already granted. 10475 allowed = origPermissions.hasInstallPermission(perm); 10476 } 10477 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10478 && pkg.packageName.equals(mSetupWizardPackage)) { 10479 // If this permission is to be granted to the system setup wizard and 10480 // this app is a setup wizard, then it gets the permission. 10481 allowed = true; 10482 } 10483 } 10484 return allowed; 10485 } 10486 10487 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10488 final int permCount = pkg.requestedPermissions.size(); 10489 for (int j = 0; j < permCount; j++) { 10490 String requestedPermission = pkg.requestedPermissions.get(j); 10491 if (permission.equals(requestedPermission)) { 10492 return true; 10493 } 10494 } 10495 return false; 10496 } 10497 10498 final class ActivityIntentResolver 10499 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10500 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10501 boolean defaultOnly, int userId) { 10502 if (!sUserManager.exists(userId)) return null; 10503 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10504 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10505 } 10506 10507 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10508 int userId) { 10509 if (!sUserManager.exists(userId)) return null; 10510 mFlags = flags; 10511 return super.queryIntent(intent, resolvedType, 10512 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10513 } 10514 10515 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10516 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10517 if (!sUserManager.exists(userId)) return null; 10518 if (packageActivities == null) { 10519 return null; 10520 } 10521 mFlags = flags; 10522 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10523 final int N = packageActivities.size(); 10524 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10525 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10526 10527 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10528 for (int i = 0; i < N; ++i) { 10529 intentFilters = packageActivities.get(i).intents; 10530 if (intentFilters != null && intentFilters.size() > 0) { 10531 PackageParser.ActivityIntentInfo[] array = 10532 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10533 intentFilters.toArray(array); 10534 listCut.add(array); 10535 } 10536 } 10537 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10538 } 10539 10540 /** 10541 * Finds a privileged activity that matches the specified activity names. 10542 */ 10543 private PackageParser.Activity findMatchingActivity( 10544 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10545 for (PackageParser.Activity sysActivity : activityList) { 10546 if (sysActivity.info.name.equals(activityInfo.name)) { 10547 return sysActivity; 10548 } 10549 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10550 return sysActivity; 10551 } 10552 if (sysActivity.info.targetActivity != null) { 10553 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10554 return sysActivity; 10555 } 10556 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10557 return sysActivity; 10558 } 10559 } 10560 } 10561 return null; 10562 } 10563 10564 public class IterGenerator<E> { 10565 public Iterator<E> generate(ActivityIntentInfo info) { 10566 return null; 10567 } 10568 } 10569 10570 public class ActionIterGenerator extends IterGenerator<String> { 10571 @Override 10572 public Iterator<String> generate(ActivityIntentInfo info) { 10573 return info.actionsIterator(); 10574 } 10575 } 10576 10577 public class CategoriesIterGenerator extends IterGenerator<String> { 10578 @Override 10579 public Iterator<String> generate(ActivityIntentInfo info) { 10580 return info.categoriesIterator(); 10581 } 10582 } 10583 10584 public class SchemesIterGenerator extends IterGenerator<String> { 10585 @Override 10586 public Iterator<String> generate(ActivityIntentInfo info) { 10587 return info.schemesIterator(); 10588 } 10589 } 10590 10591 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10592 @Override 10593 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10594 return info.authoritiesIterator(); 10595 } 10596 } 10597 10598 /** 10599 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10600 * MODIFIED. Do not pass in a list that should not be changed. 10601 */ 10602 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10603 IterGenerator<T> generator, Iterator<T> searchIterator) { 10604 // loop through the set of actions; every one must be found in the intent filter 10605 while (searchIterator.hasNext()) { 10606 // we must have at least one filter in the list to consider a match 10607 if (intentList.size() == 0) { 10608 break; 10609 } 10610 10611 final T searchAction = searchIterator.next(); 10612 10613 // loop through the set of intent filters 10614 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10615 while (intentIter.hasNext()) { 10616 final ActivityIntentInfo intentInfo = intentIter.next(); 10617 boolean selectionFound = false; 10618 10619 // loop through the intent filter's selection criteria; at least one 10620 // of them must match the searched criteria 10621 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10622 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10623 final T intentSelection = intentSelectionIter.next(); 10624 if (intentSelection != null && intentSelection.equals(searchAction)) { 10625 selectionFound = true; 10626 break; 10627 } 10628 } 10629 10630 // the selection criteria wasn't found in this filter's set; this filter 10631 // is not a potential match 10632 if (!selectionFound) { 10633 intentIter.remove(); 10634 } 10635 } 10636 } 10637 } 10638 10639 private boolean isProtectedAction(ActivityIntentInfo filter) { 10640 final Iterator<String> actionsIter = filter.actionsIterator(); 10641 while (actionsIter != null && actionsIter.hasNext()) { 10642 final String filterAction = actionsIter.next(); 10643 if (PROTECTED_ACTIONS.contains(filterAction)) { 10644 return true; 10645 } 10646 } 10647 return false; 10648 } 10649 10650 /** 10651 * Adjusts the priority of the given intent filter according to policy. 10652 * <p> 10653 * <ul> 10654 * <li>The priority for non privileged applications is capped to '0'</li> 10655 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10656 * <li>The priority for unbundled updates to privileged applications is capped to the 10657 * priority defined on the system partition</li> 10658 * </ul> 10659 * <p> 10660 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10661 * allowed to obtain any priority on any action. 10662 */ 10663 private void adjustPriority( 10664 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10665 // nothing to do; priority is fine as-is 10666 if (intent.getPriority() <= 0) { 10667 return; 10668 } 10669 10670 final ActivityInfo activityInfo = intent.activity.info; 10671 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10672 10673 final boolean privilegedApp = 10674 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10675 if (!privilegedApp) { 10676 // non-privileged applications can never define a priority >0 10677 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10678 + " package: " + applicationInfo.packageName 10679 + " activity: " + intent.activity.className 10680 + " origPrio: " + intent.getPriority()); 10681 intent.setPriority(0); 10682 return; 10683 } 10684 10685 if (systemActivities == null) { 10686 // the system package is not disabled; we're parsing the system partition 10687 if (isProtectedAction(intent)) { 10688 if (mDeferProtectedFilters) { 10689 // We can't deal with these just yet. No component should ever obtain a 10690 // >0 priority for a protected actions, with ONE exception -- the setup 10691 // wizard. The setup wizard, however, cannot be known until we're able to 10692 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10693 // until all intent filters have been processed. Chicken, meet egg. 10694 // Let the filter temporarily have a high priority and rectify the 10695 // priorities after all system packages have been scanned. 10696 mProtectedFilters.add(intent); 10697 if (DEBUG_FILTERS) { 10698 Slog.i(TAG, "Protected action; save for later;" 10699 + " package: " + applicationInfo.packageName 10700 + " activity: " + intent.activity.className 10701 + " origPrio: " + intent.getPriority()); 10702 } 10703 return; 10704 } else { 10705 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10706 Slog.i(TAG, "No setup wizard;" 10707 + " All protected intents capped to priority 0"); 10708 } 10709 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10710 if (DEBUG_FILTERS) { 10711 Slog.i(TAG, "Found setup wizard;" 10712 + " allow priority " + intent.getPriority() + ";" 10713 + " package: " + intent.activity.info.packageName 10714 + " activity: " + intent.activity.className 10715 + " priority: " + intent.getPriority()); 10716 } 10717 // setup wizard gets whatever it wants 10718 return; 10719 } 10720 Slog.w(TAG, "Protected action; cap priority to 0;" 10721 + " package: " + intent.activity.info.packageName 10722 + " activity: " + intent.activity.className 10723 + " origPrio: " + intent.getPriority()); 10724 intent.setPriority(0); 10725 return; 10726 } 10727 } 10728 // privileged apps on the system image get whatever priority they request 10729 return; 10730 } 10731 10732 // privileged app unbundled update ... try to find the same activity 10733 final PackageParser.Activity foundActivity = 10734 findMatchingActivity(systemActivities, activityInfo); 10735 if (foundActivity == null) { 10736 // this is a new activity; it cannot obtain >0 priority 10737 if (DEBUG_FILTERS) { 10738 Slog.i(TAG, "New activity; cap priority to 0;" 10739 + " package: " + applicationInfo.packageName 10740 + " activity: " + intent.activity.className 10741 + " origPrio: " + intent.getPriority()); 10742 } 10743 intent.setPriority(0); 10744 return; 10745 } 10746 10747 // found activity, now check for filter equivalence 10748 10749 // a shallow copy is enough; we modify the list, not its contents 10750 final List<ActivityIntentInfo> intentListCopy = 10751 new ArrayList<>(foundActivity.intents); 10752 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10753 10754 // find matching action subsets 10755 final Iterator<String> actionsIterator = intent.actionsIterator(); 10756 if (actionsIterator != null) { 10757 getIntentListSubset( 10758 intentListCopy, new ActionIterGenerator(), actionsIterator); 10759 if (intentListCopy.size() == 0) { 10760 // no more intents to match; we're not equivalent 10761 if (DEBUG_FILTERS) { 10762 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10763 + " package: " + applicationInfo.packageName 10764 + " activity: " + intent.activity.className 10765 + " origPrio: " + intent.getPriority()); 10766 } 10767 intent.setPriority(0); 10768 return; 10769 } 10770 } 10771 10772 // find matching category subsets 10773 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10774 if (categoriesIterator != null) { 10775 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10776 categoriesIterator); 10777 if (intentListCopy.size() == 0) { 10778 // no more intents to match; we're not equivalent 10779 if (DEBUG_FILTERS) { 10780 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10781 + " package: " + applicationInfo.packageName 10782 + " activity: " + intent.activity.className 10783 + " origPrio: " + intent.getPriority()); 10784 } 10785 intent.setPriority(0); 10786 return; 10787 } 10788 } 10789 10790 // find matching schemes subsets 10791 final Iterator<String> schemesIterator = intent.schemesIterator(); 10792 if (schemesIterator != null) { 10793 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10794 schemesIterator); 10795 if (intentListCopy.size() == 0) { 10796 // no more intents to match; we're not equivalent 10797 if (DEBUG_FILTERS) { 10798 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10799 + " package: " + applicationInfo.packageName 10800 + " activity: " + intent.activity.className 10801 + " origPrio: " + intent.getPriority()); 10802 } 10803 intent.setPriority(0); 10804 return; 10805 } 10806 } 10807 10808 // find matching authorities subsets 10809 final Iterator<IntentFilter.AuthorityEntry> 10810 authoritiesIterator = intent.authoritiesIterator(); 10811 if (authoritiesIterator != null) { 10812 getIntentListSubset(intentListCopy, 10813 new AuthoritiesIterGenerator(), 10814 authoritiesIterator); 10815 if (intentListCopy.size() == 0) { 10816 // no more intents to match; we're not equivalent 10817 if (DEBUG_FILTERS) { 10818 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10819 + " package: " + applicationInfo.packageName 10820 + " activity: " + intent.activity.className 10821 + " origPrio: " + intent.getPriority()); 10822 } 10823 intent.setPriority(0); 10824 return; 10825 } 10826 } 10827 10828 // we found matching filter(s); app gets the max priority of all intents 10829 int cappedPriority = 0; 10830 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10831 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10832 } 10833 if (intent.getPriority() > cappedPriority) { 10834 if (DEBUG_FILTERS) { 10835 Slog.i(TAG, "Found matching filter(s);" 10836 + " cap priority to " + cappedPriority + ";" 10837 + " package: " + applicationInfo.packageName 10838 + " activity: " + intent.activity.className 10839 + " origPrio: " + intent.getPriority()); 10840 } 10841 intent.setPriority(cappedPriority); 10842 return; 10843 } 10844 // all this for nothing; the requested priority was <= what was on the system 10845 } 10846 10847 public final void addActivity(PackageParser.Activity a, String type) { 10848 mActivities.put(a.getComponentName(), a); 10849 if (DEBUG_SHOW_INFO) 10850 Log.v( 10851 TAG, " " + type + " " + 10852 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10853 if (DEBUG_SHOW_INFO) 10854 Log.v(TAG, " Class=" + a.info.name); 10855 final int NI = a.intents.size(); 10856 for (int j=0; j<NI; j++) { 10857 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10858 if ("activity".equals(type)) { 10859 final PackageSetting ps = 10860 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10861 final List<PackageParser.Activity> systemActivities = 10862 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10863 adjustPriority(systemActivities, intent); 10864 } 10865 if (DEBUG_SHOW_INFO) { 10866 Log.v(TAG, " IntentFilter:"); 10867 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10868 } 10869 if (!intent.debugCheck()) { 10870 Log.w(TAG, "==> For Activity " + a.info.name); 10871 } 10872 addFilter(intent); 10873 } 10874 } 10875 10876 public final void removeActivity(PackageParser.Activity a, String type) { 10877 mActivities.remove(a.getComponentName()); 10878 if (DEBUG_SHOW_INFO) { 10879 Log.v(TAG, " " + type + " " 10880 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10881 : a.info.name) + ":"); 10882 Log.v(TAG, " Class=" + a.info.name); 10883 } 10884 final int NI = a.intents.size(); 10885 for (int j=0; j<NI; j++) { 10886 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10887 if (DEBUG_SHOW_INFO) { 10888 Log.v(TAG, " IntentFilter:"); 10889 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10890 } 10891 removeFilter(intent); 10892 } 10893 } 10894 10895 @Override 10896 protected boolean allowFilterResult( 10897 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10898 ActivityInfo filterAi = filter.activity.info; 10899 for (int i=dest.size()-1; i>=0; i--) { 10900 ActivityInfo destAi = dest.get(i).activityInfo; 10901 if (destAi.name == filterAi.name 10902 && destAi.packageName == filterAi.packageName) { 10903 return false; 10904 } 10905 } 10906 return true; 10907 } 10908 10909 @Override 10910 protected ActivityIntentInfo[] newArray(int size) { 10911 return new ActivityIntentInfo[size]; 10912 } 10913 10914 @Override 10915 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10916 if (!sUserManager.exists(userId)) return true; 10917 PackageParser.Package p = filter.activity.owner; 10918 if (p != null) { 10919 PackageSetting ps = (PackageSetting)p.mExtras; 10920 if (ps != null) { 10921 // System apps are never considered stopped for purposes of 10922 // filtering, because there may be no way for the user to 10923 // actually re-launch them. 10924 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10925 && ps.getStopped(userId); 10926 } 10927 } 10928 return false; 10929 } 10930 10931 @Override 10932 protected boolean isPackageForFilter(String packageName, 10933 PackageParser.ActivityIntentInfo info) { 10934 return packageName.equals(info.activity.owner.packageName); 10935 } 10936 10937 @Override 10938 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10939 int match, int userId) { 10940 if (!sUserManager.exists(userId)) return null; 10941 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10942 return null; 10943 } 10944 final PackageParser.Activity activity = info.activity; 10945 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10946 if (ps == null) { 10947 return null; 10948 } 10949 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10950 ps.readUserState(userId), userId); 10951 if (ai == null) { 10952 return null; 10953 } 10954 final ResolveInfo res = new ResolveInfo(); 10955 res.activityInfo = ai; 10956 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10957 res.filter = info; 10958 } 10959 if (info != null) { 10960 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10961 } 10962 res.priority = info.getPriority(); 10963 res.preferredOrder = activity.owner.mPreferredOrder; 10964 //System.out.println("Result: " + res.activityInfo.className + 10965 // " = " + res.priority); 10966 res.match = match; 10967 res.isDefault = info.hasDefault; 10968 res.labelRes = info.labelRes; 10969 res.nonLocalizedLabel = info.nonLocalizedLabel; 10970 if (userNeedsBadging(userId)) { 10971 res.noResourceId = true; 10972 } else { 10973 res.icon = info.icon; 10974 } 10975 res.iconResourceId = info.icon; 10976 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10977 return res; 10978 } 10979 10980 @Override 10981 protected void sortResults(List<ResolveInfo> results) { 10982 Collections.sort(results, mResolvePrioritySorter); 10983 } 10984 10985 @Override 10986 protected void dumpFilter(PrintWriter out, String prefix, 10987 PackageParser.ActivityIntentInfo filter) { 10988 out.print(prefix); out.print( 10989 Integer.toHexString(System.identityHashCode(filter.activity))); 10990 out.print(' '); 10991 filter.activity.printComponentShortName(out); 10992 out.print(" filter "); 10993 out.println(Integer.toHexString(System.identityHashCode(filter))); 10994 } 10995 10996 @Override 10997 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10998 return filter.activity; 10999 } 11000 11001 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11002 PackageParser.Activity activity = (PackageParser.Activity)label; 11003 out.print(prefix); out.print( 11004 Integer.toHexString(System.identityHashCode(activity))); 11005 out.print(' '); 11006 activity.printComponentShortName(out); 11007 if (count > 1) { 11008 out.print(" ("); out.print(count); out.print(" filters)"); 11009 } 11010 out.println(); 11011 } 11012 11013 // Keys are String (activity class name), values are Activity. 11014 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 11015 = new ArrayMap<ComponentName, PackageParser.Activity>(); 11016 private int mFlags; 11017 } 11018 11019 private final class ServiceIntentResolver 11020 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 11021 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11022 boolean defaultOnly, int userId) { 11023 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11024 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11025 } 11026 11027 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11028 int userId) { 11029 if (!sUserManager.exists(userId)) return null; 11030 mFlags = flags; 11031 return super.queryIntent(intent, resolvedType, 11032 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11033 } 11034 11035 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11036 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 11037 if (!sUserManager.exists(userId)) return null; 11038 if (packageServices == null) { 11039 return null; 11040 } 11041 mFlags = flags; 11042 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 11043 final int N = packageServices.size(); 11044 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 11045 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 11046 11047 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 11048 for (int i = 0; i < N; ++i) { 11049 intentFilters = packageServices.get(i).intents; 11050 if (intentFilters != null && intentFilters.size() > 0) { 11051 PackageParser.ServiceIntentInfo[] array = 11052 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 11053 intentFilters.toArray(array); 11054 listCut.add(array); 11055 } 11056 } 11057 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11058 } 11059 11060 public final void addService(PackageParser.Service s) { 11061 mServices.put(s.getComponentName(), s); 11062 if (DEBUG_SHOW_INFO) { 11063 Log.v(TAG, " " 11064 + (s.info.nonLocalizedLabel != null 11065 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11066 Log.v(TAG, " Class=" + s.info.name); 11067 } 11068 final int NI = s.intents.size(); 11069 int j; 11070 for (j=0; j<NI; j++) { 11071 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11072 if (DEBUG_SHOW_INFO) { 11073 Log.v(TAG, " IntentFilter:"); 11074 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11075 } 11076 if (!intent.debugCheck()) { 11077 Log.w(TAG, "==> For Service " + s.info.name); 11078 } 11079 addFilter(intent); 11080 } 11081 } 11082 11083 public final void removeService(PackageParser.Service s) { 11084 mServices.remove(s.getComponentName()); 11085 if (DEBUG_SHOW_INFO) { 11086 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 11087 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11088 Log.v(TAG, " Class=" + s.info.name); 11089 } 11090 final int NI = s.intents.size(); 11091 int j; 11092 for (j=0; j<NI; j++) { 11093 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11094 if (DEBUG_SHOW_INFO) { 11095 Log.v(TAG, " IntentFilter:"); 11096 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11097 } 11098 removeFilter(intent); 11099 } 11100 } 11101 11102 @Override 11103 protected boolean allowFilterResult( 11104 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11105 ServiceInfo filterSi = filter.service.info; 11106 for (int i=dest.size()-1; i>=0; i--) { 11107 ServiceInfo destAi = dest.get(i).serviceInfo; 11108 if (destAi.name == filterSi.name 11109 && destAi.packageName == filterSi.packageName) { 11110 return false; 11111 } 11112 } 11113 return true; 11114 } 11115 11116 @Override 11117 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11118 return new PackageParser.ServiceIntentInfo[size]; 11119 } 11120 11121 @Override 11122 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11123 if (!sUserManager.exists(userId)) return true; 11124 PackageParser.Package p = filter.service.owner; 11125 if (p != null) { 11126 PackageSetting ps = (PackageSetting)p.mExtras; 11127 if (ps != null) { 11128 // System apps are never considered stopped for purposes of 11129 // filtering, because there may be no way for the user to 11130 // actually re-launch them. 11131 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11132 && ps.getStopped(userId); 11133 } 11134 } 11135 return false; 11136 } 11137 11138 @Override 11139 protected boolean isPackageForFilter(String packageName, 11140 PackageParser.ServiceIntentInfo info) { 11141 return packageName.equals(info.service.owner.packageName); 11142 } 11143 11144 @Override 11145 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11146 int match, int userId) { 11147 if (!sUserManager.exists(userId)) return null; 11148 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11149 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11150 return null; 11151 } 11152 final PackageParser.Service service = info.service; 11153 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11154 if (ps == null) { 11155 return null; 11156 } 11157 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11158 ps.readUserState(userId), userId); 11159 if (si == null) { 11160 return null; 11161 } 11162 final ResolveInfo res = new ResolveInfo(); 11163 res.serviceInfo = si; 11164 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11165 res.filter = filter; 11166 } 11167 res.priority = info.getPriority(); 11168 res.preferredOrder = service.owner.mPreferredOrder; 11169 res.match = match; 11170 res.isDefault = info.hasDefault; 11171 res.labelRes = info.labelRes; 11172 res.nonLocalizedLabel = info.nonLocalizedLabel; 11173 res.icon = info.icon; 11174 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11175 return res; 11176 } 11177 11178 @Override 11179 protected void sortResults(List<ResolveInfo> results) { 11180 Collections.sort(results, mResolvePrioritySorter); 11181 } 11182 11183 @Override 11184 protected void dumpFilter(PrintWriter out, String prefix, 11185 PackageParser.ServiceIntentInfo filter) { 11186 out.print(prefix); out.print( 11187 Integer.toHexString(System.identityHashCode(filter.service))); 11188 out.print(' '); 11189 filter.service.printComponentShortName(out); 11190 out.print(" filter "); 11191 out.println(Integer.toHexString(System.identityHashCode(filter))); 11192 } 11193 11194 @Override 11195 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11196 return filter.service; 11197 } 11198 11199 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11200 PackageParser.Service service = (PackageParser.Service)label; 11201 out.print(prefix); out.print( 11202 Integer.toHexString(System.identityHashCode(service))); 11203 out.print(' '); 11204 service.printComponentShortName(out); 11205 if (count > 1) { 11206 out.print(" ("); out.print(count); out.print(" filters)"); 11207 } 11208 out.println(); 11209 } 11210 11211// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11212// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11213// final List<ResolveInfo> retList = Lists.newArrayList(); 11214// while (i.hasNext()) { 11215// final ResolveInfo resolveInfo = (ResolveInfo) i; 11216// if (isEnabledLP(resolveInfo.serviceInfo)) { 11217// retList.add(resolveInfo); 11218// } 11219// } 11220// return retList; 11221// } 11222 11223 // Keys are String (activity class name), values are Activity. 11224 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11225 = new ArrayMap<ComponentName, PackageParser.Service>(); 11226 private int mFlags; 11227 }; 11228 11229 private final class ProviderIntentResolver 11230 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11231 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11232 boolean defaultOnly, int userId) { 11233 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11234 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11235 } 11236 11237 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11238 int userId) { 11239 if (!sUserManager.exists(userId)) 11240 return null; 11241 mFlags = flags; 11242 return super.queryIntent(intent, resolvedType, 11243 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11244 } 11245 11246 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11247 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11248 if (!sUserManager.exists(userId)) 11249 return null; 11250 if (packageProviders == null) { 11251 return null; 11252 } 11253 mFlags = flags; 11254 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11255 final int N = packageProviders.size(); 11256 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11257 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11258 11259 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11260 for (int i = 0; i < N; ++i) { 11261 intentFilters = packageProviders.get(i).intents; 11262 if (intentFilters != null && intentFilters.size() > 0) { 11263 PackageParser.ProviderIntentInfo[] array = 11264 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11265 intentFilters.toArray(array); 11266 listCut.add(array); 11267 } 11268 } 11269 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11270 } 11271 11272 public final void addProvider(PackageParser.Provider p) { 11273 if (mProviders.containsKey(p.getComponentName())) { 11274 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11275 return; 11276 } 11277 11278 mProviders.put(p.getComponentName(), p); 11279 if (DEBUG_SHOW_INFO) { 11280 Log.v(TAG, " " 11281 + (p.info.nonLocalizedLabel != null 11282 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11283 Log.v(TAG, " Class=" + p.info.name); 11284 } 11285 final int NI = p.intents.size(); 11286 int j; 11287 for (j = 0; j < NI; j++) { 11288 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11289 if (DEBUG_SHOW_INFO) { 11290 Log.v(TAG, " IntentFilter:"); 11291 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11292 } 11293 if (!intent.debugCheck()) { 11294 Log.w(TAG, "==> For Provider " + p.info.name); 11295 } 11296 addFilter(intent); 11297 } 11298 } 11299 11300 public final void removeProvider(PackageParser.Provider p) { 11301 mProviders.remove(p.getComponentName()); 11302 if (DEBUG_SHOW_INFO) { 11303 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11304 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11305 Log.v(TAG, " Class=" + p.info.name); 11306 } 11307 final int NI = p.intents.size(); 11308 int j; 11309 for (j = 0; j < NI; j++) { 11310 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11311 if (DEBUG_SHOW_INFO) { 11312 Log.v(TAG, " IntentFilter:"); 11313 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11314 } 11315 removeFilter(intent); 11316 } 11317 } 11318 11319 @Override 11320 protected boolean allowFilterResult( 11321 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11322 ProviderInfo filterPi = filter.provider.info; 11323 for (int i = dest.size() - 1; i >= 0; i--) { 11324 ProviderInfo destPi = dest.get(i).providerInfo; 11325 if (destPi.name == filterPi.name 11326 && destPi.packageName == filterPi.packageName) { 11327 return false; 11328 } 11329 } 11330 return true; 11331 } 11332 11333 @Override 11334 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11335 return new PackageParser.ProviderIntentInfo[size]; 11336 } 11337 11338 @Override 11339 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11340 if (!sUserManager.exists(userId)) 11341 return true; 11342 PackageParser.Package p = filter.provider.owner; 11343 if (p != null) { 11344 PackageSetting ps = (PackageSetting) p.mExtras; 11345 if (ps != null) { 11346 // System apps are never considered stopped for purposes of 11347 // filtering, because there may be no way for the user to 11348 // actually re-launch them. 11349 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11350 && ps.getStopped(userId); 11351 } 11352 } 11353 return false; 11354 } 11355 11356 @Override 11357 protected boolean isPackageForFilter(String packageName, 11358 PackageParser.ProviderIntentInfo info) { 11359 return packageName.equals(info.provider.owner.packageName); 11360 } 11361 11362 @Override 11363 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11364 int match, int userId) { 11365 if (!sUserManager.exists(userId)) 11366 return null; 11367 final PackageParser.ProviderIntentInfo info = filter; 11368 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11369 return null; 11370 } 11371 final PackageParser.Provider provider = info.provider; 11372 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11373 if (ps == null) { 11374 return null; 11375 } 11376 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11377 ps.readUserState(userId), userId); 11378 if (pi == null) { 11379 return null; 11380 } 11381 final ResolveInfo res = new ResolveInfo(); 11382 res.providerInfo = pi; 11383 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11384 res.filter = filter; 11385 } 11386 res.priority = info.getPriority(); 11387 res.preferredOrder = provider.owner.mPreferredOrder; 11388 res.match = match; 11389 res.isDefault = info.hasDefault; 11390 res.labelRes = info.labelRes; 11391 res.nonLocalizedLabel = info.nonLocalizedLabel; 11392 res.icon = info.icon; 11393 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11394 return res; 11395 } 11396 11397 @Override 11398 protected void sortResults(List<ResolveInfo> results) { 11399 Collections.sort(results, mResolvePrioritySorter); 11400 } 11401 11402 @Override 11403 protected void dumpFilter(PrintWriter out, String prefix, 11404 PackageParser.ProviderIntentInfo filter) { 11405 out.print(prefix); 11406 out.print( 11407 Integer.toHexString(System.identityHashCode(filter.provider))); 11408 out.print(' '); 11409 filter.provider.printComponentShortName(out); 11410 out.print(" filter "); 11411 out.println(Integer.toHexString(System.identityHashCode(filter))); 11412 } 11413 11414 @Override 11415 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11416 return filter.provider; 11417 } 11418 11419 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11420 PackageParser.Provider provider = (PackageParser.Provider)label; 11421 out.print(prefix); out.print( 11422 Integer.toHexString(System.identityHashCode(provider))); 11423 out.print(' '); 11424 provider.printComponentShortName(out); 11425 if (count > 1) { 11426 out.print(" ("); out.print(count); out.print(" filters)"); 11427 } 11428 out.println(); 11429 } 11430 11431 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11432 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11433 private int mFlags; 11434 } 11435 11436 private static final class EphemeralIntentResolver 11437 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11438 /** 11439 * The result that has the highest defined order. Ordering applies on a 11440 * per-package basis. Mapping is from package name to Pair of order and 11441 * EphemeralResolveInfo. 11442 * <p> 11443 * NOTE: This is implemented as a field variable for convenience and efficiency. 11444 * By having a field variable, we're able to track filter ordering as soon as 11445 * a non-zero order is defined. Otherwise, multiple loops across the result set 11446 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 11447 * this needs to be contained entirely within {@link #filterResults()}. 11448 */ 11449 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 11450 11451 @Override 11452 protected EphemeralResolveIntentInfo[] newArray(int size) { 11453 return new EphemeralResolveIntentInfo[size]; 11454 } 11455 11456 @Override 11457 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11458 return true; 11459 } 11460 11461 @Override 11462 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11463 int userId) { 11464 if (!sUserManager.exists(userId)) { 11465 return null; 11466 } 11467 final String packageName = info.getEphemeralResolveInfo().getPackageName(); 11468 final Integer order = info.getOrder(); 11469 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 11470 mOrderResult.get(packageName); 11471 // ordering is enabled and this item's order isn't high enough 11472 if (lastOrderResult != null && lastOrderResult.first >= order) { 11473 return null; 11474 } 11475 final EphemeralResolveInfo res = info.getEphemeralResolveInfo(); 11476 if (order > 0) { 11477 // non-zero order, enable ordering 11478 mOrderResult.put(packageName, new Pair<>(order, res)); 11479 } 11480 return res; 11481 } 11482 11483 @Override 11484 protected void filterResults(List<EphemeralResolveInfo> results) { 11485 // only do work if ordering is enabled [most of the time it won't be] 11486 if (mOrderResult.size() == 0) { 11487 return; 11488 } 11489 int resultSize = results.size(); 11490 for (int i = 0; i < resultSize; i++) { 11491 final EphemeralResolveInfo info = results.get(i); 11492 final String packageName = info.getPackageName(); 11493 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 11494 if (savedInfo == null) { 11495 // package doesn't having ordering 11496 continue; 11497 } 11498 if (savedInfo.second == info) { 11499 // circled back to the highest ordered item; remove from order list 11500 mOrderResult.remove(savedInfo); 11501 if (mOrderResult.size() == 0) { 11502 // no more ordered items 11503 break; 11504 } 11505 continue; 11506 } 11507 // item has a worse order, remove it from the result list 11508 results.remove(i); 11509 resultSize--; 11510 i--; 11511 } 11512 } 11513 } 11514 11515 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11516 new Comparator<ResolveInfo>() { 11517 public int compare(ResolveInfo r1, ResolveInfo r2) { 11518 int v1 = r1.priority; 11519 int v2 = r2.priority; 11520 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11521 if (v1 != v2) { 11522 return (v1 > v2) ? -1 : 1; 11523 } 11524 v1 = r1.preferredOrder; 11525 v2 = r2.preferredOrder; 11526 if (v1 != v2) { 11527 return (v1 > v2) ? -1 : 1; 11528 } 11529 if (r1.isDefault != r2.isDefault) { 11530 return r1.isDefault ? -1 : 1; 11531 } 11532 v1 = r1.match; 11533 v2 = r2.match; 11534 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11535 if (v1 != v2) { 11536 return (v1 > v2) ? -1 : 1; 11537 } 11538 if (r1.system != r2.system) { 11539 return r1.system ? -1 : 1; 11540 } 11541 if (r1.activityInfo != null) { 11542 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11543 } 11544 if (r1.serviceInfo != null) { 11545 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11546 } 11547 if (r1.providerInfo != null) { 11548 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11549 } 11550 return 0; 11551 } 11552 }; 11553 11554 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11555 new Comparator<ProviderInfo>() { 11556 public int compare(ProviderInfo p1, ProviderInfo p2) { 11557 final int v1 = p1.initOrder; 11558 final int v2 = p2.initOrder; 11559 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11560 } 11561 }; 11562 11563 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11564 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11565 final int[] userIds) { 11566 mHandler.post(new Runnable() { 11567 @Override 11568 public void run() { 11569 try { 11570 final IActivityManager am = ActivityManagerNative.getDefault(); 11571 if (am == null) return; 11572 final int[] resolvedUserIds; 11573 if (userIds == null) { 11574 resolvedUserIds = am.getRunningUserIds(); 11575 } else { 11576 resolvedUserIds = userIds; 11577 } 11578 for (int id : resolvedUserIds) { 11579 final Intent intent = new Intent(action, 11580 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 11581 if (extras != null) { 11582 intent.putExtras(extras); 11583 } 11584 if (targetPkg != null) { 11585 intent.setPackage(targetPkg); 11586 } 11587 // Modify the UID when posting to other users 11588 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11589 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11590 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11591 intent.putExtra(Intent.EXTRA_UID, uid); 11592 } 11593 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11594 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11595 if (DEBUG_BROADCASTS) { 11596 RuntimeException here = new RuntimeException("here"); 11597 here.fillInStackTrace(); 11598 Slog.d(TAG, "Sending to user " + id + ": " 11599 + intent.toShortString(false, true, false, false) 11600 + " " + intent.getExtras(), here); 11601 } 11602 am.broadcastIntent(null, intent, null, finishedReceiver, 11603 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11604 null, finishedReceiver != null, false, id); 11605 } 11606 } catch (RemoteException ex) { 11607 } 11608 } 11609 }); 11610 } 11611 11612 /** 11613 * Check if the external storage media is available. This is true if there 11614 * is a mounted external storage medium or if the external storage is 11615 * emulated. 11616 */ 11617 private boolean isExternalMediaAvailable() { 11618 return mMediaMounted || Environment.isExternalStorageEmulated(); 11619 } 11620 11621 @Override 11622 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11623 // writer 11624 synchronized (mPackages) { 11625 if (!isExternalMediaAvailable()) { 11626 // If the external storage is no longer mounted at this point, 11627 // the caller may not have been able to delete all of this 11628 // packages files and can not delete any more. Bail. 11629 return null; 11630 } 11631 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11632 if (lastPackage != null) { 11633 pkgs.remove(lastPackage); 11634 } 11635 if (pkgs.size() > 0) { 11636 return pkgs.get(0); 11637 } 11638 } 11639 return null; 11640 } 11641 11642 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11643 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11644 userId, andCode ? 1 : 0, packageName); 11645 if (mSystemReady) { 11646 msg.sendToTarget(); 11647 } else { 11648 if (mPostSystemReadyMessages == null) { 11649 mPostSystemReadyMessages = new ArrayList<>(); 11650 } 11651 mPostSystemReadyMessages.add(msg); 11652 } 11653 } 11654 11655 void startCleaningPackages() { 11656 // reader 11657 if (!isExternalMediaAvailable()) { 11658 return; 11659 } 11660 synchronized (mPackages) { 11661 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11662 return; 11663 } 11664 } 11665 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11666 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11667 IActivityManager am = ActivityManagerNative.getDefault(); 11668 if (am != null) { 11669 try { 11670 am.startService(null, intent, null, mContext.getOpPackageName(), 11671 UserHandle.USER_SYSTEM); 11672 } catch (RemoteException e) { 11673 } 11674 } 11675 } 11676 11677 @Override 11678 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11679 int installFlags, String installerPackageName, int userId) { 11680 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11681 11682 final int callingUid = Binder.getCallingUid(); 11683 enforceCrossUserPermission(callingUid, userId, 11684 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11685 11686 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11687 try { 11688 if (observer != null) { 11689 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11690 } 11691 } catch (RemoteException re) { 11692 } 11693 return; 11694 } 11695 11696 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11697 installFlags |= PackageManager.INSTALL_FROM_ADB; 11698 11699 } else { 11700 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11701 // about installerPackageName. 11702 11703 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11704 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11705 } 11706 11707 UserHandle user; 11708 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11709 user = UserHandle.ALL; 11710 } else { 11711 user = new UserHandle(userId); 11712 } 11713 11714 // Only system components can circumvent runtime permissions when installing. 11715 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11716 && mContext.checkCallingOrSelfPermission(Manifest.permission 11717 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11718 throw new SecurityException("You need the " 11719 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11720 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11721 } 11722 11723 final File originFile = new File(originPath); 11724 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11725 11726 final Message msg = mHandler.obtainMessage(INIT_COPY); 11727 final VerificationInfo verificationInfo = new VerificationInfo( 11728 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11729 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11730 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11731 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11732 null /*certificates*/); 11733 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11734 msg.obj = params; 11735 11736 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11737 System.identityHashCode(msg.obj)); 11738 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11739 System.identityHashCode(msg.obj)); 11740 11741 mHandler.sendMessage(msg); 11742 } 11743 11744 void installStage(String packageName, File stagedDir, String stagedCid, 11745 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11746 String installerPackageName, int installerUid, UserHandle user, 11747 Certificate[][] certificates) { 11748 if (DEBUG_EPHEMERAL) { 11749 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11750 Slog.d(TAG, "Ephemeral install of " + packageName); 11751 } 11752 } 11753 final VerificationInfo verificationInfo = new VerificationInfo( 11754 sessionParams.originatingUri, sessionParams.referrerUri, 11755 sessionParams.originatingUid, installerUid); 11756 11757 final OriginInfo origin; 11758 if (stagedDir != null) { 11759 origin = OriginInfo.fromStagedFile(stagedDir); 11760 } else { 11761 origin = OriginInfo.fromStagedContainer(stagedCid); 11762 } 11763 11764 final Message msg = mHandler.obtainMessage(INIT_COPY); 11765 final InstallParams params = new InstallParams(origin, null, observer, 11766 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11767 verificationInfo, user, sessionParams.abiOverride, 11768 sessionParams.grantedRuntimePermissions, certificates); 11769 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11770 msg.obj = params; 11771 11772 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11773 System.identityHashCode(msg.obj)); 11774 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11775 System.identityHashCode(msg.obj)); 11776 11777 mHandler.sendMessage(msg); 11778 } 11779 11780 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11781 int userId) { 11782 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11783 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11784 } 11785 11786 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11787 int appId, int userId) { 11788 Bundle extras = new Bundle(1); 11789 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11790 11791 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11792 packageName, extras, 0, null, null, new int[] {userId}); 11793 try { 11794 IActivityManager am = ActivityManagerNative.getDefault(); 11795 if (isSystem && am.isUserRunning(userId, 0)) { 11796 // The just-installed/enabled app is bundled on the system, so presumed 11797 // to be able to run automatically without needing an explicit launch. 11798 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11799 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11800 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11801 .setPackage(packageName); 11802 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11803 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11804 } 11805 } catch (RemoteException e) { 11806 // shouldn't happen 11807 Slog.w(TAG, "Unable to bootstrap installed package", e); 11808 } 11809 } 11810 11811 @Override 11812 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11813 int userId) { 11814 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11815 PackageSetting pkgSetting; 11816 final int uid = Binder.getCallingUid(); 11817 enforceCrossUserPermission(uid, userId, 11818 true /* requireFullPermission */, true /* checkShell */, 11819 "setApplicationHiddenSetting for user " + userId); 11820 11821 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11822 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11823 return false; 11824 } 11825 11826 long callingId = Binder.clearCallingIdentity(); 11827 try { 11828 boolean sendAdded = false; 11829 boolean sendRemoved = false; 11830 // writer 11831 synchronized (mPackages) { 11832 pkgSetting = mSettings.mPackages.get(packageName); 11833 if (pkgSetting == null) { 11834 return false; 11835 } 11836 // Do not allow "android" is being disabled 11837 if ("android".equals(packageName)) { 11838 Slog.w(TAG, "Cannot hide package: android"); 11839 return false; 11840 } 11841 // Only allow protected packages to hide themselves. 11842 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11843 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11844 Slog.w(TAG, "Not hiding protected package: " + packageName); 11845 return false; 11846 } 11847 11848 if (pkgSetting.getHidden(userId) != hidden) { 11849 pkgSetting.setHidden(hidden, userId); 11850 mSettings.writePackageRestrictionsLPr(userId); 11851 if (hidden) { 11852 sendRemoved = true; 11853 } else { 11854 sendAdded = true; 11855 } 11856 } 11857 } 11858 if (sendAdded) { 11859 sendPackageAddedForUser(packageName, pkgSetting, userId); 11860 return true; 11861 } 11862 if (sendRemoved) { 11863 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11864 "hiding pkg"); 11865 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11866 return true; 11867 } 11868 } finally { 11869 Binder.restoreCallingIdentity(callingId); 11870 } 11871 return false; 11872 } 11873 11874 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11875 int userId) { 11876 final PackageRemovedInfo info = new PackageRemovedInfo(); 11877 info.removedPackage = packageName; 11878 info.removedUsers = new int[] {userId}; 11879 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11880 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11881 } 11882 11883 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11884 if (pkgList.length > 0) { 11885 Bundle extras = new Bundle(1); 11886 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11887 11888 sendPackageBroadcast( 11889 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11890 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11891 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11892 new int[] {userId}); 11893 } 11894 } 11895 11896 /** 11897 * Returns true if application is not found or there was an error. Otherwise it returns 11898 * the hidden state of the package for the given user. 11899 */ 11900 @Override 11901 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11902 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11903 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11904 true /* requireFullPermission */, false /* checkShell */, 11905 "getApplicationHidden for user " + userId); 11906 PackageSetting pkgSetting; 11907 long callingId = Binder.clearCallingIdentity(); 11908 try { 11909 // writer 11910 synchronized (mPackages) { 11911 pkgSetting = mSettings.mPackages.get(packageName); 11912 if (pkgSetting == null) { 11913 return true; 11914 } 11915 return pkgSetting.getHidden(userId); 11916 } 11917 } finally { 11918 Binder.restoreCallingIdentity(callingId); 11919 } 11920 } 11921 11922 /** 11923 * @hide 11924 */ 11925 @Override 11926 public int installExistingPackageAsUser(String packageName, int userId) { 11927 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11928 null); 11929 PackageSetting pkgSetting; 11930 final int uid = Binder.getCallingUid(); 11931 enforceCrossUserPermission(uid, userId, 11932 true /* requireFullPermission */, true /* checkShell */, 11933 "installExistingPackage for user " + userId); 11934 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11935 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11936 } 11937 11938 long callingId = Binder.clearCallingIdentity(); 11939 try { 11940 boolean installed = false; 11941 11942 // writer 11943 synchronized (mPackages) { 11944 pkgSetting = mSettings.mPackages.get(packageName); 11945 if (pkgSetting == null) { 11946 return PackageManager.INSTALL_FAILED_INVALID_URI; 11947 } 11948 if (!pkgSetting.getInstalled(userId)) { 11949 pkgSetting.setInstalled(true, userId); 11950 pkgSetting.setHidden(false, userId); 11951 mSettings.writePackageRestrictionsLPr(userId); 11952 installed = true; 11953 } 11954 } 11955 11956 if (installed) { 11957 if (pkgSetting.pkg != null) { 11958 synchronized (mInstallLock) { 11959 // We don't need to freeze for a brand new install 11960 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11961 } 11962 } 11963 sendPackageAddedForUser(packageName, pkgSetting, userId); 11964 } 11965 } finally { 11966 Binder.restoreCallingIdentity(callingId); 11967 } 11968 11969 return PackageManager.INSTALL_SUCCEEDED; 11970 } 11971 11972 boolean isUserRestricted(int userId, String restrictionKey) { 11973 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11974 if (restrictions.getBoolean(restrictionKey, false)) { 11975 Log.w(TAG, "User is restricted: " + restrictionKey); 11976 return true; 11977 } 11978 return false; 11979 } 11980 11981 @Override 11982 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11983 int userId) { 11984 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11985 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11986 true /* requireFullPermission */, true /* checkShell */, 11987 "setPackagesSuspended for user " + userId); 11988 11989 if (ArrayUtils.isEmpty(packageNames)) { 11990 return packageNames; 11991 } 11992 11993 // List of package names for whom the suspended state has changed. 11994 List<String> changedPackages = new ArrayList<>(packageNames.length); 11995 // List of package names for whom the suspended state is not set as requested in this 11996 // method. 11997 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11998 long callingId = Binder.clearCallingIdentity(); 11999 try { 12000 for (int i = 0; i < packageNames.length; i++) { 12001 String packageName = packageNames[i]; 12002 boolean changed = false; 12003 final int appId; 12004 synchronized (mPackages) { 12005 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12006 if (pkgSetting == null) { 12007 Slog.w(TAG, "Could not find package setting for package \"" + packageName 12008 + "\". Skipping suspending/un-suspending."); 12009 unactionedPackages.add(packageName); 12010 continue; 12011 } 12012 appId = pkgSetting.appId; 12013 if (pkgSetting.getSuspended(userId) != suspended) { 12014 if (!canSuspendPackageForUserLocked(packageName, userId)) { 12015 unactionedPackages.add(packageName); 12016 continue; 12017 } 12018 pkgSetting.setSuspended(suspended, userId); 12019 mSettings.writePackageRestrictionsLPr(userId); 12020 changed = true; 12021 changedPackages.add(packageName); 12022 } 12023 } 12024 12025 if (changed && suspended) { 12026 killApplication(packageName, UserHandle.getUid(userId, appId), 12027 "suspending package"); 12028 } 12029 } 12030 } finally { 12031 Binder.restoreCallingIdentity(callingId); 12032 } 12033 12034 if (!changedPackages.isEmpty()) { 12035 sendPackagesSuspendedForUser(changedPackages.toArray( 12036 new String[changedPackages.size()]), userId, suspended); 12037 } 12038 12039 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 12040 } 12041 12042 @Override 12043 public boolean isPackageSuspendedForUser(String packageName, int userId) { 12044 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12045 true /* requireFullPermission */, false /* checkShell */, 12046 "isPackageSuspendedForUser for user " + userId); 12047 synchronized (mPackages) { 12048 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12049 if (pkgSetting == null) { 12050 throw new IllegalArgumentException("Unknown target package: " + packageName); 12051 } 12052 return pkgSetting.getSuspended(userId); 12053 } 12054 } 12055 12056 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 12057 if (isPackageDeviceAdmin(packageName, userId)) { 12058 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12059 + "\": has an active device admin"); 12060 return false; 12061 } 12062 12063 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 12064 if (packageName.equals(activeLauncherPackageName)) { 12065 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12066 + "\": contains the active launcher"); 12067 return false; 12068 } 12069 12070 if (packageName.equals(mRequiredInstallerPackage)) { 12071 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12072 + "\": required for package installation"); 12073 return false; 12074 } 12075 12076 if (packageName.equals(mRequiredUninstallerPackage)) { 12077 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12078 + "\": required for package uninstallation"); 12079 return false; 12080 } 12081 12082 if (packageName.equals(mRequiredVerifierPackage)) { 12083 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12084 + "\": required for package verification"); 12085 return false; 12086 } 12087 12088 if (packageName.equals(getDefaultDialerPackageName(userId))) { 12089 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12090 + "\": is the default dialer"); 12091 return false; 12092 } 12093 12094 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12095 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12096 + "\": protected package"); 12097 return false; 12098 } 12099 12100 return true; 12101 } 12102 12103 private String getActiveLauncherPackageName(int userId) { 12104 Intent intent = new Intent(Intent.ACTION_MAIN); 12105 intent.addCategory(Intent.CATEGORY_HOME); 12106 ResolveInfo resolveInfo = resolveIntent( 12107 intent, 12108 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 12109 PackageManager.MATCH_DEFAULT_ONLY, 12110 userId); 12111 12112 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 12113 } 12114 12115 private String getDefaultDialerPackageName(int userId) { 12116 synchronized (mPackages) { 12117 return mSettings.getDefaultDialerPackageNameLPw(userId); 12118 } 12119 } 12120 12121 @Override 12122 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 12123 mContext.enforceCallingOrSelfPermission( 12124 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12125 "Only package verification agents can verify applications"); 12126 12127 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12128 final PackageVerificationResponse response = new PackageVerificationResponse( 12129 verificationCode, Binder.getCallingUid()); 12130 msg.arg1 = id; 12131 msg.obj = response; 12132 mHandler.sendMessage(msg); 12133 } 12134 12135 @Override 12136 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 12137 long millisecondsToDelay) { 12138 mContext.enforceCallingOrSelfPermission( 12139 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12140 "Only package verification agents can extend verification timeouts"); 12141 12142 final PackageVerificationState state = mPendingVerification.get(id); 12143 final PackageVerificationResponse response = new PackageVerificationResponse( 12144 verificationCodeAtTimeout, Binder.getCallingUid()); 12145 12146 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12147 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12148 } 12149 if (millisecondsToDelay < 0) { 12150 millisecondsToDelay = 0; 12151 } 12152 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12153 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12154 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12155 } 12156 12157 if ((state != null) && !state.timeoutExtended()) { 12158 state.extendTimeout(); 12159 12160 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12161 msg.arg1 = id; 12162 msg.obj = response; 12163 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12164 } 12165 } 12166 12167 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12168 int verificationCode, UserHandle user) { 12169 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12170 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12171 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12172 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12173 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12174 12175 mContext.sendBroadcastAsUser(intent, user, 12176 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12177 } 12178 12179 private ComponentName matchComponentForVerifier(String packageName, 12180 List<ResolveInfo> receivers) { 12181 ActivityInfo targetReceiver = null; 12182 12183 final int NR = receivers.size(); 12184 for (int i = 0; i < NR; i++) { 12185 final ResolveInfo info = receivers.get(i); 12186 if (info.activityInfo == null) { 12187 continue; 12188 } 12189 12190 if (packageName.equals(info.activityInfo.packageName)) { 12191 targetReceiver = info.activityInfo; 12192 break; 12193 } 12194 } 12195 12196 if (targetReceiver == null) { 12197 return null; 12198 } 12199 12200 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12201 } 12202 12203 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12204 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12205 if (pkgInfo.verifiers.length == 0) { 12206 return null; 12207 } 12208 12209 final int N = pkgInfo.verifiers.length; 12210 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12211 for (int i = 0; i < N; i++) { 12212 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12213 12214 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12215 receivers); 12216 if (comp == null) { 12217 continue; 12218 } 12219 12220 final int verifierUid = getUidForVerifier(verifierInfo); 12221 if (verifierUid == -1) { 12222 continue; 12223 } 12224 12225 if (DEBUG_VERIFY) { 12226 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12227 + " with the correct signature"); 12228 } 12229 sufficientVerifiers.add(comp); 12230 verificationState.addSufficientVerifier(verifierUid); 12231 } 12232 12233 return sufficientVerifiers; 12234 } 12235 12236 private int getUidForVerifier(VerifierInfo verifierInfo) { 12237 synchronized (mPackages) { 12238 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12239 if (pkg == null) { 12240 return -1; 12241 } else if (pkg.mSignatures.length != 1) { 12242 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12243 + " has more than one signature; ignoring"); 12244 return -1; 12245 } 12246 12247 /* 12248 * If the public key of the package's signature does not match 12249 * our expected public key, then this is a different package and 12250 * we should skip. 12251 */ 12252 12253 final byte[] expectedPublicKey; 12254 try { 12255 final Signature verifierSig = pkg.mSignatures[0]; 12256 final PublicKey publicKey = verifierSig.getPublicKey(); 12257 expectedPublicKey = publicKey.getEncoded(); 12258 } catch (CertificateException e) { 12259 return -1; 12260 } 12261 12262 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12263 12264 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12265 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12266 + " does not have the expected public key; ignoring"); 12267 return -1; 12268 } 12269 12270 return pkg.applicationInfo.uid; 12271 } 12272 } 12273 12274 @Override 12275 public void finishPackageInstall(int token, boolean didLaunch) { 12276 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12277 12278 if (DEBUG_INSTALL) { 12279 Slog.v(TAG, "BM finishing package install for " + token); 12280 } 12281 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12282 12283 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12284 mHandler.sendMessage(msg); 12285 } 12286 12287 /** 12288 * Get the verification agent timeout. 12289 * 12290 * @return verification timeout in milliseconds 12291 */ 12292 private long getVerificationTimeout() { 12293 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12294 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12295 DEFAULT_VERIFICATION_TIMEOUT); 12296 } 12297 12298 /** 12299 * Get the default verification agent response code. 12300 * 12301 * @return default verification response code 12302 */ 12303 private int getDefaultVerificationResponse() { 12304 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12305 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12306 DEFAULT_VERIFICATION_RESPONSE); 12307 } 12308 12309 /** 12310 * Check whether or not package verification has been enabled. 12311 * 12312 * @return true if verification should be performed 12313 */ 12314 private boolean isVerificationEnabled(int userId, int installFlags) { 12315 if (!DEFAULT_VERIFY_ENABLE) { 12316 return false; 12317 } 12318 // Ephemeral apps don't get the full verification treatment 12319 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12320 if (DEBUG_EPHEMERAL) { 12321 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12322 } 12323 return false; 12324 } 12325 12326 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12327 12328 // Check if installing from ADB 12329 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12330 // Do not run verification in a test harness environment 12331 if (ActivityManager.isRunningInTestHarness()) { 12332 return false; 12333 } 12334 if (ensureVerifyAppsEnabled) { 12335 return true; 12336 } 12337 // Check if the developer does not want package verification for ADB installs 12338 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12339 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12340 return false; 12341 } 12342 } 12343 12344 if (ensureVerifyAppsEnabled) { 12345 return true; 12346 } 12347 12348 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12349 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12350 } 12351 12352 @Override 12353 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12354 throws RemoteException { 12355 mContext.enforceCallingOrSelfPermission( 12356 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12357 "Only intentfilter verification agents can verify applications"); 12358 12359 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12360 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12361 Binder.getCallingUid(), verificationCode, failedDomains); 12362 msg.arg1 = id; 12363 msg.obj = response; 12364 mHandler.sendMessage(msg); 12365 } 12366 12367 @Override 12368 public int getIntentVerificationStatus(String packageName, int userId) { 12369 synchronized (mPackages) { 12370 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12371 } 12372 } 12373 12374 @Override 12375 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12376 mContext.enforceCallingOrSelfPermission( 12377 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12378 12379 boolean result = false; 12380 synchronized (mPackages) { 12381 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12382 } 12383 if (result) { 12384 scheduleWritePackageRestrictionsLocked(userId); 12385 } 12386 return result; 12387 } 12388 12389 @Override 12390 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12391 String packageName) { 12392 synchronized (mPackages) { 12393 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12394 } 12395 } 12396 12397 @Override 12398 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12399 if (TextUtils.isEmpty(packageName)) { 12400 return ParceledListSlice.emptyList(); 12401 } 12402 synchronized (mPackages) { 12403 PackageParser.Package pkg = mPackages.get(packageName); 12404 if (pkg == null || pkg.activities == null) { 12405 return ParceledListSlice.emptyList(); 12406 } 12407 final int count = pkg.activities.size(); 12408 ArrayList<IntentFilter> result = new ArrayList<>(); 12409 for (int n=0; n<count; n++) { 12410 PackageParser.Activity activity = pkg.activities.get(n); 12411 if (activity.intents != null && activity.intents.size() > 0) { 12412 result.addAll(activity.intents); 12413 } 12414 } 12415 return new ParceledListSlice<>(result); 12416 } 12417 } 12418 12419 @Override 12420 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12421 mContext.enforceCallingOrSelfPermission( 12422 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12423 12424 synchronized (mPackages) { 12425 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12426 if (packageName != null) { 12427 result |= updateIntentVerificationStatus(packageName, 12428 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12429 userId); 12430 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12431 packageName, userId); 12432 } 12433 return result; 12434 } 12435 } 12436 12437 @Override 12438 public String getDefaultBrowserPackageName(int userId) { 12439 synchronized (mPackages) { 12440 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12441 } 12442 } 12443 12444 /** 12445 * Get the "allow unknown sources" setting. 12446 * 12447 * @return the current "allow unknown sources" setting 12448 */ 12449 private int getUnknownSourcesSettings() { 12450 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12451 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12452 -1); 12453 } 12454 12455 @Override 12456 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12457 final int uid = Binder.getCallingUid(); 12458 // writer 12459 synchronized (mPackages) { 12460 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12461 if (targetPackageSetting == null) { 12462 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12463 } 12464 12465 PackageSetting installerPackageSetting; 12466 if (installerPackageName != null) { 12467 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12468 if (installerPackageSetting == null) { 12469 throw new IllegalArgumentException("Unknown installer package: " 12470 + installerPackageName); 12471 } 12472 } else { 12473 installerPackageSetting = null; 12474 } 12475 12476 Signature[] callerSignature; 12477 Object obj = mSettings.getUserIdLPr(uid); 12478 if (obj != null) { 12479 if (obj instanceof SharedUserSetting) { 12480 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12481 } else if (obj instanceof PackageSetting) { 12482 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12483 } else { 12484 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12485 } 12486 } else { 12487 throw new SecurityException("Unknown calling UID: " + uid); 12488 } 12489 12490 // Verify: can't set installerPackageName to a package that is 12491 // not signed with the same cert as the caller. 12492 if (installerPackageSetting != null) { 12493 if (compareSignatures(callerSignature, 12494 installerPackageSetting.signatures.mSignatures) 12495 != PackageManager.SIGNATURE_MATCH) { 12496 throw new SecurityException( 12497 "Caller does not have same cert as new installer package " 12498 + installerPackageName); 12499 } 12500 } 12501 12502 // Verify: if target already has an installer package, it must 12503 // be signed with the same cert as the caller. 12504 if (targetPackageSetting.installerPackageName != null) { 12505 PackageSetting setting = mSettings.mPackages.get( 12506 targetPackageSetting.installerPackageName); 12507 // If the currently set package isn't valid, then it's always 12508 // okay to change it. 12509 if (setting != null) { 12510 if (compareSignatures(callerSignature, 12511 setting.signatures.mSignatures) 12512 != PackageManager.SIGNATURE_MATCH) { 12513 throw new SecurityException( 12514 "Caller does not have same cert as old installer package " 12515 + targetPackageSetting.installerPackageName); 12516 } 12517 } 12518 } 12519 12520 // Okay! 12521 targetPackageSetting.installerPackageName = installerPackageName; 12522 if (installerPackageName != null) { 12523 mSettings.mInstallerPackages.add(installerPackageName); 12524 } 12525 scheduleWriteSettingsLocked(); 12526 } 12527 } 12528 12529 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12530 // Queue up an async operation since the package installation may take a little while. 12531 mHandler.post(new Runnable() { 12532 public void run() { 12533 mHandler.removeCallbacks(this); 12534 // Result object to be returned 12535 PackageInstalledInfo res = new PackageInstalledInfo(); 12536 res.setReturnCode(currentStatus); 12537 res.uid = -1; 12538 res.pkg = null; 12539 res.removedInfo = null; 12540 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12541 args.doPreInstall(res.returnCode); 12542 synchronized (mInstallLock) { 12543 installPackageTracedLI(args, res); 12544 } 12545 args.doPostInstall(res.returnCode, res.uid); 12546 } 12547 12548 // A restore should be performed at this point if (a) the install 12549 // succeeded, (b) the operation is not an update, and (c) the new 12550 // package has not opted out of backup participation. 12551 final boolean update = res.removedInfo != null 12552 && res.removedInfo.removedPackage != null; 12553 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12554 boolean doRestore = !update 12555 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12556 12557 // Set up the post-install work request bookkeeping. This will be used 12558 // and cleaned up by the post-install event handling regardless of whether 12559 // there's a restore pass performed. Token values are >= 1. 12560 int token; 12561 if (mNextInstallToken < 0) mNextInstallToken = 1; 12562 token = mNextInstallToken++; 12563 12564 PostInstallData data = new PostInstallData(args, res); 12565 mRunningInstalls.put(token, data); 12566 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12567 12568 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12569 // Pass responsibility to the Backup Manager. It will perform a 12570 // restore if appropriate, then pass responsibility back to the 12571 // Package Manager to run the post-install observer callbacks 12572 // and broadcasts. 12573 IBackupManager bm = IBackupManager.Stub.asInterface( 12574 ServiceManager.getService(Context.BACKUP_SERVICE)); 12575 if (bm != null) { 12576 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12577 + " to BM for possible restore"); 12578 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12579 try { 12580 // TODO: http://b/22388012 12581 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12582 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12583 } else { 12584 doRestore = false; 12585 } 12586 } catch (RemoteException e) { 12587 // can't happen; the backup manager is local 12588 } catch (Exception e) { 12589 Slog.e(TAG, "Exception trying to enqueue restore", e); 12590 doRestore = false; 12591 } 12592 } else { 12593 Slog.e(TAG, "Backup Manager not found!"); 12594 doRestore = false; 12595 } 12596 } 12597 12598 if (!doRestore) { 12599 // No restore possible, or the Backup Manager was mysteriously not 12600 // available -- just fire the post-install work request directly. 12601 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12602 12603 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12604 12605 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12606 mHandler.sendMessage(msg); 12607 } 12608 } 12609 }); 12610 } 12611 12612 /** 12613 * Callback from PackageSettings whenever an app is first transitioned out of the 12614 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12615 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12616 * here whether the app is the target of an ongoing install, and only send the 12617 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12618 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12619 * handling. 12620 */ 12621 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12622 // Serialize this with the rest of the install-process message chain. In the 12623 // restore-at-install case, this Runnable will necessarily run before the 12624 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12625 // are coherent. In the non-restore case, the app has already completed install 12626 // and been launched through some other means, so it is not in a problematic 12627 // state for observers to see the FIRST_LAUNCH signal. 12628 mHandler.post(new Runnable() { 12629 @Override 12630 public void run() { 12631 for (int i = 0; i < mRunningInstalls.size(); i++) { 12632 final PostInstallData data = mRunningInstalls.valueAt(i); 12633 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12634 continue; 12635 } 12636 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12637 // right package; but is it for the right user? 12638 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12639 if (userId == data.res.newUsers[uIndex]) { 12640 if (DEBUG_BACKUP) { 12641 Slog.i(TAG, "Package " + pkgName 12642 + " being restored so deferring FIRST_LAUNCH"); 12643 } 12644 return; 12645 } 12646 } 12647 } 12648 } 12649 // didn't find it, so not being restored 12650 if (DEBUG_BACKUP) { 12651 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12652 } 12653 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12654 } 12655 }); 12656 } 12657 12658 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12659 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12660 installerPkg, null, userIds); 12661 } 12662 12663 private abstract class HandlerParams { 12664 private static final int MAX_RETRIES = 4; 12665 12666 /** 12667 * Number of times startCopy() has been attempted and had a non-fatal 12668 * error. 12669 */ 12670 private int mRetries = 0; 12671 12672 /** User handle for the user requesting the information or installation. */ 12673 private final UserHandle mUser; 12674 String traceMethod; 12675 int traceCookie; 12676 12677 HandlerParams(UserHandle user) { 12678 mUser = user; 12679 } 12680 12681 UserHandle getUser() { 12682 return mUser; 12683 } 12684 12685 HandlerParams setTraceMethod(String traceMethod) { 12686 this.traceMethod = traceMethod; 12687 return this; 12688 } 12689 12690 HandlerParams setTraceCookie(int traceCookie) { 12691 this.traceCookie = traceCookie; 12692 return this; 12693 } 12694 12695 final boolean startCopy() { 12696 boolean res; 12697 try { 12698 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12699 12700 if (++mRetries > MAX_RETRIES) { 12701 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12702 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12703 handleServiceError(); 12704 return false; 12705 } else { 12706 handleStartCopy(); 12707 res = true; 12708 } 12709 } catch (RemoteException e) { 12710 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12711 mHandler.sendEmptyMessage(MCS_RECONNECT); 12712 res = false; 12713 } 12714 handleReturnCode(); 12715 return res; 12716 } 12717 12718 final void serviceError() { 12719 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12720 handleServiceError(); 12721 handleReturnCode(); 12722 } 12723 12724 abstract void handleStartCopy() throws RemoteException; 12725 abstract void handleServiceError(); 12726 abstract void handleReturnCode(); 12727 } 12728 12729 class MeasureParams extends HandlerParams { 12730 private final PackageStats mStats; 12731 private boolean mSuccess; 12732 12733 private final IPackageStatsObserver mObserver; 12734 12735 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12736 super(new UserHandle(stats.userHandle)); 12737 mObserver = observer; 12738 mStats = stats; 12739 } 12740 12741 @Override 12742 public String toString() { 12743 return "MeasureParams{" 12744 + Integer.toHexString(System.identityHashCode(this)) 12745 + " " + mStats.packageName + "}"; 12746 } 12747 12748 @Override 12749 void handleStartCopy() throws RemoteException { 12750 synchronized (mInstallLock) { 12751 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12752 } 12753 12754 if (mSuccess) { 12755 boolean mounted = false; 12756 try { 12757 final String status = Environment.getExternalStorageState(); 12758 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12759 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12760 } catch (Exception e) { 12761 } 12762 12763 if (mounted) { 12764 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12765 12766 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12767 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12768 12769 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12770 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12771 12772 // Always subtract cache size, since it's a subdirectory 12773 mStats.externalDataSize -= mStats.externalCacheSize; 12774 12775 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12776 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12777 12778 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12779 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12780 } 12781 } 12782 } 12783 12784 @Override 12785 void handleReturnCode() { 12786 if (mObserver != null) { 12787 try { 12788 mObserver.onGetStatsCompleted(mStats, mSuccess); 12789 } catch (RemoteException e) { 12790 Slog.i(TAG, "Observer no longer exists."); 12791 } 12792 } 12793 } 12794 12795 @Override 12796 void handleServiceError() { 12797 Slog.e(TAG, "Could not measure application " + mStats.packageName 12798 + " external storage"); 12799 } 12800 } 12801 12802 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12803 throws RemoteException { 12804 long result = 0; 12805 for (File path : paths) { 12806 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12807 } 12808 return result; 12809 } 12810 12811 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12812 for (File path : paths) { 12813 try { 12814 mcs.clearDirectory(path.getAbsolutePath()); 12815 } catch (RemoteException e) { 12816 } 12817 } 12818 } 12819 12820 static class OriginInfo { 12821 /** 12822 * Location where install is coming from, before it has been 12823 * copied/renamed into place. This could be a single monolithic APK 12824 * file, or a cluster directory. This location may be untrusted. 12825 */ 12826 final File file; 12827 final String cid; 12828 12829 /** 12830 * Flag indicating that {@link #file} or {@link #cid} has already been 12831 * staged, meaning downstream users don't need to defensively copy the 12832 * contents. 12833 */ 12834 final boolean staged; 12835 12836 /** 12837 * Flag indicating that {@link #file} or {@link #cid} is an already 12838 * installed app that is being moved. 12839 */ 12840 final boolean existing; 12841 12842 final String resolvedPath; 12843 final File resolvedFile; 12844 12845 static OriginInfo fromNothing() { 12846 return new OriginInfo(null, null, false, false); 12847 } 12848 12849 static OriginInfo fromUntrustedFile(File file) { 12850 return new OriginInfo(file, null, false, false); 12851 } 12852 12853 static OriginInfo fromExistingFile(File file) { 12854 return new OriginInfo(file, null, false, true); 12855 } 12856 12857 static OriginInfo fromStagedFile(File file) { 12858 return new OriginInfo(file, null, true, false); 12859 } 12860 12861 static OriginInfo fromStagedContainer(String cid) { 12862 return new OriginInfo(null, cid, true, false); 12863 } 12864 12865 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12866 this.file = file; 12867 this.cid = cid; 12868 this.staged = staged; 12869 this.existing = existing; 12870 12871 if (cid != null) { 12872 resolvedPath = PackageHelper.getSdDir(cid); 12873 resolvedFile = new File(resolvedPath); 12874 } else if (file != null) { 12875 resolvedPath = file.getAbsolutePath(); 12876 resolvedFile = file; 12877 } else { 12878 resolvedPath = null; 12879 resolvedFile = null; 12880 } 12881 } 12882 } 12883 12884 static class MoveInfo { 12885 final int moveId; 12886 final String fromUuid; 12887 final String toUuid; 12888 final String packageName; 12889 final String dataAppName; 12890 final int appId; 12891 final String seinfo; 12892 final int targetSdkVersion; 12893 12894 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12895 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12896 this.moveId = moveId; 12897 this.fromUuid = fromUuid; 12898 this.toUuid = toUuid; 12899 this.packageName = packageName; 12900 this.dataAppName = dataAppName; 12901 this.appId = appId; 12902 this.seinfo = seinfo; 12903 this.targetSdkVersion = targetSdkVersion; 12904 } 12905 } 12906 12907 static class VerificationInfo { 12908 /** A constant used to indicate that a uid value is not present. */ 12909 public static final int NO_UID = -1; 12910 12911 /** URI referencing where the package was downloaded from. */ 12912 final Uri originatingUri; 12913 12914 /** HTTP referrer URI associated with the originatingURI. */ 12915 final Uri referrer; 12916 12917 /** UID of the application that the install request originated from. */ 12918 final int originatingUid; 12919 12920 /** UID of application requesting the install */ 12921 final int installerUid; 12922 12923 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12924 this.originatingUri = originatingUri; 12925 this.referrer = referrer; 12926 this.originatingUid = originatingUid; 12927 this.installerUid = installerUid; 12928 } 12929 } 12930 12931 class InstallParams extends HandlerParams { 12932 final OriginInfo origin; 12933 final MoveInfo move; 12934 final IPackageInstallObserver2 observer; 12935 int installFlags; 12936 final String installerPackageName; 12937 final String volumeUuid; 12938 private InstallArgs mArgs; 12939 private int mRet; 12940 final String packageAbiOverride; 12941 final String[] grantedRuntimePermissions; 12942 final VerificationInfo verificationInfo; 12943 final Certificate[][] certificates; 12944 12945 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12946 int installFlags, String installerPackageName, String volumeUuid, 12947 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12948 String[] grantedPermissions, Certificate[][] certificates) { 12949 super(user); 12950 this.origin = origin; 12951 this.move = move; 12952 this.observer = observer; 12953 this.installFlags = installFlags; 12954 this.installerPackageName = installerPackageName; 12955 this.volumeUuid = volumeUuid; 12956 this.verificationInfo = verificationInfo; 12957 this.packageAbiOverride = packageAbiOverride; 12958 this.grantedRuntimePermissions = grantedPermissions; 12959 this.certificates = certificates; 12960 } 12961 12962 @Override 12963 public String toString() { 12964 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12965 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12966 } 12967 12968 private int installLocationPolicy(PackageInfoLite pkgLite) { 12969 String packageName = pkgLite.packageName; 12970 int installLocation = pkgLite.installLocation; 12971 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12972 // reader 12973 synchronized (mPackages) { 12974 // Currently installed package which the new package is attempting to replace or 12975 // null if no such package is installed. 12976 PackageParser.Package installedPkg = mPackages.get(packageName); 12977 // Package which currently owns the data which the new package will own if installed. 12978 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12979 // will be null whereas dataOwnerPkg will contain information about the package 12980 // which was uninstalled while keeping its data. 12981 PackageParser.Package dataOwnerPkg = installedPkg; 12982 if (dataOwnerPkg == null) { 12983 PackageSetting ps = mSettings.mPackages.get(packageName); 12984 if (ps != null) { 12985 dataOwnerPkg = ps.pkg; 12986 } 12987 } 12988 12989 if (dataOwnerPkg != null) { 12990 // If installed, the package will get access to data left on the device by its 12991 // predecessor. As a security measure, this is permited only if this is not a 12992 // version downgrade or if the predecessor package is marked as debuggable and 12993 // a downgrade is explicitly requested. 12994 // 12995 // On debuggable platform builds, downgrades are permitted even for 12996 // non-debuggable packages to make testing easier. Debuggable platform builds do 12997 // not offer security guarantees and thus it's OK to disable some security 12998 // mechanisms to make debugging/testing easier on those builds. However, even on 12999 // debuggable builds downgrades of packages are permitted only if requested via 13000 // installFlags. This is because we aim to keep the behavior of debuggable 13001 // platform builds as close as possible to the behavior of non-debuggable 13002 // platform builds. 13003 final boolean downgradeRequested = 13004 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 13005 final boolean packageDebuggable = 13006 (dataOwnerPkg.applicationInfo.flags 13007 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 13008 final boolean downgradePermitted = 13009 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 13010 if (!downgradePermitted) { 13011 try { 13012 checkDowngrade(dataOwnerPkg, pkgLite); 13013 } catch (PackageManagerException e) { 13014 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 13015 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 13016 } 13017 } 13018 } 13019 13020 if (installedPkg != null) { 13021 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13022 // Check for updated system application. 13023 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13024 if (onSd) { 13025 Slog.w(TAG, "Cannot install update to system app on sdcard"); 13026 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 13027 } 13028 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13029 } else { 13030 if (onSd) { 13031 // Install flag overrides everything. 13032 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13033 } 13034 // If current upgrade specifies particular preference 13035 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 13036 // Application explicitly specified internal. 13037 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13038 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 13039 // App explictly prefers external. Let policy decide 13040 } else { 13041 // Prefer previous location 13042 if (isExternal(installedPkg)) { 13043 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13044 } 13045 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13046 } 13047 } 13048 } else { 13049 // Invalid install. Return error code 13050 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 13051 } 13052 } 13053 } 13054 // All the special cases have been taken care of. 13055 // Return result based on recommended install location. 13056 if (onSd) { 13057 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13058 } 13059 return pkgLite.recommendedInstallLocation; 13060 } 13061 13062 /* 13063 * Invoke remote method to get package information and install 13064 * location values. Override install location based on default 13065 * policy if needed and then create install arguments based 13066 * on the install location. 13067 */ 13068 public void handleStartCopy() throws RemoteException { 13069 int ret = PackageManager.INSTALL_SUCCEEDED; 13070 13071 // If we're already staged, we've firmly committed to an install location 13072 if (origin.staged) { 13073 if (origin.file != null) { 13074 installFlags |= PackageManager.INSTALL_INTERNAL; 13075 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13076 } else if (origin.cid != null) { 13077 installFlags |= PackageManager.INSTALL_EXTERNAL; 13078 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13079 } else { 13080 throw new IllegalStateException("Invalid stage location"); 13081 } 13082 } 13083 13084 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13085 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 13086 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13087 PackageInfoLite pkgLite = null; 13088 13089 if (onInt && onSd) { 13090 // Check if both bits are set. 13091 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 13092 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13093 } else if (onSd && ephemeral) { 13094 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 13095 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13096 } else { 13097 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 13098 packageAbiOverride); 13099 13100 if (DEBUG_EPHEMERAL && ephemeral) { 13101 Slog.v(TAG, "pkgLite for install: " + pkgLite); 13102 } 13103 13104 /* 13105 * If we have too little free space, try to free cache 13106 * before giving up. 13107 */ 13108 if (!origin.staged && pkgLite.recommendedInstallLocation 13109 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13110 // TODO: focus freeing disk space on the target device 13111 final StorageManager storage = StorageManager.from(mContext); 13112 final long lowThreshold = storage.getStorageLowBytes( 13113 Environment.getDataDirectory()); 13114 13115 final long sizeBytes = mContainerService.calculateInstalledSize( 13116 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 13117 13118 try { 13119 mInstaller.freeCache(null, sizeBytes + lowThreshold); 13120 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 13121 installFlags, packageAbiOverride); 13122 } catch (InstallerException e) { 13123 Slog.w(TAG, "Failed to free cache", e); 13124 } 13125 13126 /* 13127 * The cache free must have deleted the file we 13128 * downloaded to install. 13129 * 13130 * TODO: fix the "freeCache" call to not delete 13131 * the file we care about. 13132 */ 13133 if (pkgLite.recommendedInstallLocation 13134 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13135 pkgLite.recommendedInstallLocation 13136 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 13137 } 13138 } 13139 } 13140 13141 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13142 int loc = pkgLite.recommendedInstallLocation; 13143 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 13144 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13145 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 13146 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13147 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13148 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13149 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13150 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13151 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13152 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13153 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13154 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13155 } else { 13156 // Override with defaults if needed. 13157 loc = installLocationPolicy(pkgLite); 13158 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13159 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13160 } else if (!onSd && !onInt) { 13161 // Override install location with flags 13162 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13163 // Set the flag to install on external media. 13164 installFlags |= PackageManager.INSTALL_EXTERNAL; 13165 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13166 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13167 if (DEBUG_EPHEMERAL) { 13168 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13169 } 13170 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13171 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13172 |PackageManager.INSTALL_INTERNAL); 13173 } else { 13174 // Make sure the flag for installing on external 13175 // media is unset 13176 installFlags |= PackageManager.INSTALL_INTERNAL; 13177 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13178 } 13179 } 13180 } 13181 } 13182 13183 final InstallArgs args = createInstallArgs(this); 13184 mArgs = args; 13185 13186 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13187 // TODO: http://b/22976637 13188 // Apps installed for "all" users use the device owner to verify the app 13189 UserHandle verifierUser = getUser(); 13190 if (verifierUser == UserHandle.ALL) { 13191 verifierUser = UserHandle.SYSTEM; 13192 } 13193 13194 /* 13195 * Determine if we have any installed package verifiers. If we 13196 * do, then we'll defer to them to verify the packages. 13197 */ 13198 final int requiredUid = mRequiredVerifierPackage == null ? -1 13199 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13200 verifierUser.getIdentifier()); 13201 if (!origin.existing && requiredUid != -1 13202 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13203 final Intent verification = new Intent( 13204 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13205 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13206 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13207 PACKAGE_MIME_TYPE); 13208 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13209 13210 // Query all live verifiers based on current user state 13211 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13212 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13213 13214 if (DEBUG_VERIFY) { 13215 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13216 + verification.toString() + " with " + pkgLite.verifiers.length 13217 + " optional verifiers"); 13218 } 13219 13220 final int verificationId = mPendingVerificationToken++; 13221 13222 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13223 13224 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13225 installerPackageName); 13226 13227 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13228 installFlags); 13229 13230 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13231 pkgLite.packageName); 13232 13233 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13234 pkgLite.versionCode); 13235 13236 if (verificationInfo != null) { 13237 if (verificationInfo.originatingUri != null) { 13238 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13239 verificationInfo.originatingUri); 13240 } 13241 if (verificationInfo.referrer != null) { 13242 verification.putExtra(Intent.EXTRA_REFERRER, 13243 verificationInfo.referrer); 13244 } 13245 if (verificationInfo.originatingUid >= 0) { 13246 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13247 verificationInfo.originatingUid); 13248 } 13249 if (verificationInfo.installerUid >= 0) { 13250 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13251 verificationInfo.installerUid); 13252 } 13253 } 13254 13255 final PackageVerificationState verificationState = new PackageVerificationState( 13256 requiredUid, args); 13257 13258 mPendingVerification.append(verificationId, verificationState); 13259 13260 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13261 receivers, verificationState); 13262 13263 /* 13264 * If any sufficient verifiers were listed in the package 13265 * manifest, attempt to ask them. 13266 */ 13267 if (sufficientVerifiers != null) { 13268 final int N = sufficientVerifiers.size(); 13269 if (N == 0) { 13270 Slog.i(TAG, "Additional verifiers required, but none installed."); 13271 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13272 } else { 13273 for (int i = 0; i < N; i++) { 13274 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13275 13276 final Intent sufficientIntent = new Intent(verification); 13277 sufficientIntent.setComponent(verifierComponent); 13278 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13279 } 13280 } 13281 } 13282 13283 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13284 mRequiredVerifierPackage, receivers); 13285 if (ret == PackageManager.INSTALL_SUCCEEDED 13286 && mRequiredVerifierPackage != null) { 13287 Trace.asyncTraceBegin( 13288 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13289 /* 13290 * Send the intent to the required verification agent, 13291 * but only start the verification timeout after the 13292 * target BroadcastReceivers have run. 13293 */ 13294 verification.setComponent(requiredVerifierComponent); 13295 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13296 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13297 new BroadcastReceiver() { 13298 @Override 13299 public void onReceive(Context context, Intent intent) { 13300 final Message msg = mHandler 13301 .obtainMessage(CHECK_PENDING_VERIFICATION); 13302 msg.arg1 = verificationId; 13303 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13304 } 13305 }, null, 0, null, null); 13306 13307 /* 13308 * We don't want the copy to proceed until verification 13309 * succeeds, so null out this field. 13310 */ 13311 mArgs = null; 13312 } 13313 } else { 13314 /* 13315 * No package verification is enabled, so immediately start 13316 * the remote call to initiate copy using temporary file. 13317 */ 13318 ret = args.copyApk(mContainerService, true); 13319 } 13320 } 13321 13322 mRet = ret; 13323 } 13324 13325 @Override 13326 void handleReturnCode() { 13327 // If mArgs is null, then MCS couldn't be reached. When it 13328 // reconnects, it will try again to install. At that point, this 13329 // will succeed. 13330 if (mArgs != null) { 13331 processPendingInstall(mArgs, mRet); 13332 } 13333 } 13334 13335 @Override 13336 void handleServiceError() { 13337 mArgs = createInstallArgs(this); 13338 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13339 } 13340 13341 public boolean isForwardLocked() { 13342 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13343 } 13344 } 13345 13346 /** 13347 * Used during creation of InstallArgs 13348 * 13349 * @param installFlags package installation flags 13350 * @return true if should be installed on external storage 13351 */ 13352 private static boolean installOnExternalAsec(int installFlags) { 13353 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13354 return false; 13355 } 13356 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13357 return true; 13358 } 13359 return false; 13360 } 13361 13362 /** 13363 * Used during creation of InstallArgs 13364 * 13365 * @param installFlags package installation flags 13366 * @return true if should be installed as forward locked 13367 */ 13368 private static boolean installForwardLocked(int installFlags) { 13369 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13370 } 13371 13372 private InstallArgs createInstallArgs(InstallParams params) { 13373 if (params.move != null) { 13374 return new MoveInstallArgs(params); 13375 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13376 return new AsecInstallArgs(params); 13377 } else { 13378 return new FileInstallArgs(params); 13379 } 13380 } 13381 13382 /** 13383 * Create args that describe an existing installed package. Typically used 13384 * when cleaning up old installs, or used as a move source. 13385 */ 13386 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13387 String resourcePath, String[] instructionSets) { 13388 final boolean isInAsec; 13389 if (installOnExternalAsec(installFlags)) { 13390 /* Apps on SD card are always in ASEC containers. */ 13391 isInAsec = true; 13392 } else if (installForwardLocked(installFlags) 13393 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13394 /* 13395 * Forward-locked apps are only in ASEC containers if they're the 13396 * new style 13397 */ 13398 isInAsec = true; 13399 } else { 13400 isInAsec = false; 13401 } 13402 13403 if (isInAsec) { 13404 return new AsecInstallArgs(codePath, instructionSets, 13405 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13406 } else { 13407 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13408 } 13409 } 13410 13411 static abstract class InstallArgs { 13412 /** @see InstallParams#origin */ 13413 final OriginInfo origin; 13414 /** @see InstallParams#move */ 13415 final MoveInfo move; 13416 13417 final IPackageInstallObserver2 observer; 13418 // Always refers to PackageManager flags only 13419 final int installFlags; 13420 final String installerPackageName; 13421 final String volumeUuid; 13422 final UserHandle user; 13423 final String abiOverride; 13424 final String[] installGrantPermissions; 13425 /** If non-null, drop an async trace when the install completes */ 13426 final String traceMethod; 13427 final int traceCookie; 13428 final Certificate[][] certificates; 13429 13430 // The list of instruction sets supported by this app. This is currently 13431 // only used during the rmdex() phase to clean up resources. We can get rid of this 13432 // if we move dex files under the common app path. 13433 /* nullable */ String[] instructionSets; 13434 13435 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13436 int installFlags, String installerPackageName, String volumeUuid, 13437 UserHandle user, String[] instructionSets, 13438 String abiOverride, String[] installGrantPermissions, 13439 String traceMethod, int traceCookie, Certificate[][] certificates) { 13440 this.origin = origin; 13441 this.move = move; 13442 this.installFlags = installFlags; 13443 this.observer = observer; 13444 this.installerPackageName = installerPackageName; 13445 this.volumeUuid = volumeUuid; 13446 this.user = user; 13447 this.instructionSets = instructionSets; 13448 this.abiOverride = abiOverride; 13449 this.installGrantPermissions = installGrantPermissions; 13450 this.traceMethod = traceMethod; 13451 this.traceCookie = traceCookie; 13452 this.certificates = certificates; 13453 } 13454 13455 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13456 abstract int doPreInstall(int status); 13457 13458 /** 13459 * Rename package into final resting place. All paths on the given 13460 * scanned package should be updated to reflect the rename. 13461 */ 13462 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13463 abstract int doPostInstall(int status, int uid); 13464 13465 /** @see PackageSettingBase#codePathString */ 13466 abstract String getCodePath(); 13467 /** @see PackageSettingBase#resourcePathString */ 13468 abstract String getResourcePath(); 13469 13470 // Need installer lock especially for dex file removal. 13471 abstract void cleanUpResourcesLI(); 13472 abstract boolean doPostDeleteLI(boolean delete); 13473 13474 /** 13475 * Called before the source arguments are copied. This is used mostly 13476 * for MoveParams when it needs to read the source file to put it in the 13477 * destination. 13478 */ 13479 int doPreCopy() { 13480 return PackageManager.INSTALL_SUCCEEDED; 13481 } 13482 13483 /** 13484 * Called after the source arguments are copied. This is used mostly for 13485 * MoveParams when it needs to read the source file to put it in the 13486 * destination. 13487 */ 13488 int doPostCopy(int uid) { 13489 return PackageManager.INSTALL_SUCCEEDED; 13490 } 13491 13492 protected boolean isFwdLocked() { 13493 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13494 } 13495 13496 protected boolean isExternalAsec() { 13497 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13498 } 13499 13500 protected boolean isEphemeral() { 13501 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13502 } 13503 13504 UserHandle getUser() { 13505 return user; 13506 } 13507 } 13508 13509 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13510 if (!allCodePaths.isEmpty()) { 13511 if (instructionSets == null) { 13512 throw new IllegalStateException("instructionSet == null"); 13513 } 13514 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13515 for (String codePath : allCodePaths) { 13516 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13517 try { 13518 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13519 } catch (InstallerException ignored) { 13520 } 13521 } 13522 } 13523 } 13524 } 13525 13526 /** 13527 * Logic to handle installation of non-ASEC applications, including copying 13528 * and renaming logic. 13529 */ 13530 class FileInstallArgs extends InstallArgs { 13531 private File codeFile; 13532 private File resourceFile; 13533 13534 // Example topology: 13535 // /data/app/com.example/base.apk 13536 // /data/app/com.example/split_foo.apk 13537 // /data/app/com.example/lib/arm/libfoo.so 13538 // /data/app/com.example/lib/arm64/libfoo.so 13539 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13540 13541 /** New install */ 13542 FileInstallArgs(InstallParams params) { 13543 super(params.origin, params.move, params.observer, params.installFlags, 13544 params.installerPackageName, params.volumeUuid, 13545 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13546 params.grantedRuntimePermissions, 13547 params.traceMethod, params.traceCookie, params.certificates); 13548 if (isFwdLocked()) { 13549 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13550 } 13551 } 13552 13553 /** Existing install */ 13554 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13555 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13556 null, null, null, 0, null /*certificates*/); 13557 this.codeFile = (codePath != null) ? new File(codePath) : null; 13558 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13559 } 13560 13561 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13562 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13563 try { 13564 return doCopyApk(imcs, temp); 13565 } finally { 13566 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13567 } 13568 } 13569 13570 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13571 if (origin.staged) { 13572 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13573 codeFile = origin.file; 13574 resourceFile = origin.file; 13575 return PackageManager.INSTALL_SUCCEEDED; 13576 } 13577 13578 try { 13579 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13580 final File tempDir = 13581 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13582 codeFile = tempDir; 13583 resourceFile = tempDir; 13584 } catch (IOException e) { 13585 Slog.w(TAG, "Failed to create copy file: " + e); 13586 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13587 } 13588 13589 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13590 @Override 13591 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13592 if (!FileUtils.isValidExtFilename(name)) { 13593 throw new IllegalArgumentException("Invalid filename: " + name); 13594 } 13595 try { 13596 final File file = new File(codeFile, name); 13597 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13598 O_RDWR | O_CREAT, 0644); 13599 Os.chmod(file.getAbsolutePath(), 0644); 13600 return new ParcelFileDescriptor(fd); 13601 } catch (ErrnoException e) { 13602 throw new RemoteException("Failed to open: " + e.getMessage()); 13603 } 13604 } 13605 }; 13606 13607 int ret = PackageManager.INSTALL_SUCCEEDED; 13608 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13609 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13610 Slog.e(TAG, "Failed to copy package"); 13611 return ret; 13612 } 13613 13614 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13615 NativeLibraryHelper.Handle handle = null; 13616 try { 13617 handle = NativeLibraryHelper.Handle.create(codeFile); 13618 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13619 abiOverride); 13620 } catch (IOException e) { 13621 Slog.e(TAG, "Copying native libraries failed", e); 13622 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13623 } finally { 13624 IoUtils.closeQuietly(handle); 13625 } 13626 13627 return ret; 13628 } 13629 13630 int doPreInstall(int status) { 13631 if (status != PackageManager.INSTALL_SUCCEEDED) { 13632 cleanUp(); 13633 } 13634 return status; 13635 } 13636 13637 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13638 if (status != PackageManager.INSTALL_SUCCEEDED) { 13639 cleanUp(); 13640 return false; 13641 } 13642 13643 final File targetDir = codeFile.getParentFile(); 13644 final File beforeCodeFile = codeFile; 13645 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13646 13647 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13648 try { 13649 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13650 } catch (ErrnoException e) { 13651 Slog.w(TAG, "Failed to rename", e); 13652 return false; 13653 } 13654 13655 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13656 Slog.w(TAG, "Failed to restorecon"); 13657 return false; 13658 } 13659 13660 // Reflect the rename internally 13661 codeFile = afterCodeFile; 13662 resourceFile = afterCodeFile; 13663 13664 // Reflect the rename in scanned details 13665 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13666 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13667 afterCodeFile, pkg.baseCodePath)); 13668 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13669 afterCodeFile, pkg.splitCodePaths)); 13670 13671 // Reflect the rename in app info 13672 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13673 pkg.setApplicationInfoCodePath(pkg.codePath); 13674 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13675 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13676 pkg.setApplicationInfoResourcePath(pkg.codePath); 13677 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13678 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13679 13680 return true; 13681 } 13682 13683 int doPostInstall(int status, int uid) { 13684 if (status != PackageManager.INSTALL_SUCCEEDED) { 13685 cleanUp(); 13686 } 13687 return status; 13688 } 13689 13690 @Override 13691 String getCodePath() { 13692 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13693 } 13694 13695 @Override 13696 String getResourcePath() { 13697 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13698 } 13699 13700 private boolean cleanUp() { 13701 if (codeFile == null || !codeFile.exists()) { 13702 return false; 13703 } 13704 13705 removeCodePathLI(codeFile); 13706 13707 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13708 resourceFile.delete(); 13709 } 13710 13711 return true; 13712 } 13713 13714 void cleanUpResourcesLI() { 13715 // Try enumerating all code paths before deleting 13716 List<String> allCodePaths = Collections.EMPTY_LIST; 13717 if (codeFile != null && codeFile.exists()) { 13718 try { 13719 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13720 allCodePaths = pkg.getAllCodePaths(); 13721 } catch (PackageParserException e) { 13722 // Ignored; we tried our best 13723 } 13724 } 13725 13726 cleanUp(); 13727 removeDexFiles(allCodePaths, instructionSets); 13728 } 13729 13730 boolean doPostDeleteLI(boolean delete) { 13731 // XXX err, shouldn't we respect the delete flag? 13732 cleanUpResourcesLI(); 13733 return true; 13734 } 13735 } 13736 13737 private boolean isAsecExternal(String cid) { 13738 final String asecPath = PackageHelper.getSdFilesystem(cid); 13739 return !asecPath.startsWith(mAsecInternalPath); 13740 } 13741 13742 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13743 PackageManagerException { 13744 if (copyRet < 0) { 13745 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13746 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13747 throw new PackageManagerException(copyRet, message); 13748 } 13749 } 13750 } 13751 13752 /** 13753 * Extract the MountService "container ID" from the full code path of an 13754 * .apk. 13755 */ 13756 static String cidFromCodePath(String fullCodePath) { 13757 int eidx = fullCodePath.lastIndexOf("/"); 13758 String subStr1 = fullCodePath.substring(0, eidx); 13759 int sidx = subStr1.lastIndexOf("/"); 13760 return subStr1.substring(sidx+1, eidx); 13761 } 13762 13763 /** 13764 * Logic to handle installation of ASEC applications, including copying and 13765 * renaming logic. 13766 */ 13767 class AsecInstallArgs extends InstallArgs { 13768 static final String RES_FILE_NAME = "pkg.apk"; 13769 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13770 13771 String cid; 13772 String packagePath; 13773 String resourcePath; 13774 13775 /** New install */ 13776 AsecInstallArgs(InstallParams params) { 13777 super(params.origin, params.move, params.observer, params.installFlags, 13778 params.installerPackageName, params.volumeUuid, 13779 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13780 params.grantedRuntimePermissions, 13781 params.traceMethod, params.traceCookie, params.certificates); 13782 } 13783 13784 /** Existing install */ 13785 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13786 boolean isExternal, boolean isForwardLocked) { 13787 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13788 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13789 instructionSets, null, null, null, 0, null /*certificates*/); 13790 // Hackily pretend we're still looking at a full code path 13791 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13792 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13793 } 13794 13795 // Extract cid from fullCodePath 13796 int eidx = fullCodePath.lastIndexOf("/"); 13797 String subStr1 = fullCodePath.substring(0, eidx); 13798 int sidx = subStr1.lastIndexOf("/"); 13799 cid = subStr1.substring(sidx+1, eidx); 13800 setMountPath(subStr1); 13801 } 13802 13803 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13804 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13805 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13806 instructionSets, null, null, null, 0, null /*certificates*/); 13807 this.cid = cid; 13808 setMountPath(PackageHelper.getSdDir(cid)); 13809 } 13810 13811 void createCopyFile() { 13812 cid = mInstallerService.allocateExternalStageCidLegacy(); 13813 } 13814 13815 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13816 if (origin.staged && origin.cid != null) { 13817 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13818 cid = origin.cid; 13819 setMountPath(PackageHelper.getSdDir(cid)); 13820 return PackageManager.INSTALL_SUCCEEDED; 13821 } 13822 13823 if (temp) { 13824 createCopyFile(); 13825 } else { 13826 /* 13827 * Pre-emptively destroy the container since it's destroyed if 13828 * copying fails due to it existing anyway. 13829 */ 13830 PackageHelper.destroySdDir(cid); 13831 } 13832 13833 final String newMountPath = imcs.copyPackageToContainer( 13834 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13835 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13836 13837 if (newMountPath != null) { 13838 setMountPath(newMountPath); 13839 return PackageManager.INSTALL_SUCCEEDED; 13840 } else { 13841 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13842 } 13843 } 13844 13845 @Override 13846 String getCodePath() { 13847 return packagePath; 13848 } 13849 13850 @Override 13851 String getResourcePath() { 13852 return resourcePath; 13853 } 13854 13855 int doPreInstall(int status) { 13856 if (status != PackageManager.INSTALL_SUCCEEDED) { 13857 // Destroy container 13858 PackageHelper.destroySdDir(cid); 13859 } else { 13860 boolean mounted = PackageHelper.isContainerMounted(cid); 13861 if (!mounted) { 13862 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13863 Process.SYSTEM_UID); 13864 if (newMountPath != null) { 13865 setMountPath(newMountPath); 13866 } else { 13867 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13868 } 13869 } 13870 } 13871 return status; 13872 } 13873 13874 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13875 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13876 String newMountPath = null; 13877 if (PackageHelper.isContainerMounted(cid)) { 13878 // Unmount the container 13879 if (!PackageHelper.unMountSdDir(cid)) { 13880 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13881 return false; 13882 } 13883 } 13884 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13885 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13886 " which might be stale. Will try to clean up."); 13887 // Clean up the stale container and proceed to recreate. 13888 if (!PackageHelper.destroySdDir(newCacheId)) { 13889 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13890 return false; 13891 } 13892 // Successfully cleaned up stale container. Try to rename again. 13893 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13894 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13895 + " inspite of cleaning it up."); 13896 return false; 13897 } 13898 } 13899 if (!PackageHelper.isContainerMounted(newCacheId)) { 13900 Slog.w(TAG, "Mounting container " + newCacheId); 13901 newMountPath = PackageHelper.mountSdDir(newCacheId, 13902 getEncryptKey(), Process.SYSTEM_UID); 13903 } else { 13904 newMountPath = PackageHelper.getSdDir(newCacheId); 13905 } 13906 if (newMountPath == null) { 13907 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13908 return false; 13909 } 13910 Log.i(TAG, "Succesfully renamed " + cid + 13911 " to " + newCacheId + 13912 " at new path: " + newMountPath); 13913 cid = newCacheId; 13914 13915 final File beforeCodeFile = new File(packagePath); 13916 setMountPath(newMountPath); 13917 final File afterCodeFile = new File(packagePath); 13918 13919 // Reflect the rename in scanned details 13920 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13921 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13922 afterCodeFile, pkg.baseCodePath)); 13923 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13924 afterCodeFile, pkg.splitCodePaths)); 13925 13926 // Reflect the rename in app info 13927 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13928 pkg.setApplicationInfoCodePath(pkg.codePath); 13929 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13930 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13931 pkg.setApplicationInfoResourcePath(pkg.codePath); 13932 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13933 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13934 13935 return true; 13936 } 13937 13938 private void setMountPath(String mountPath) { 13939 final File mountFile = new File(mountPath); 13940 13941 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13942 if (monolithicFile.exists()) { 13943 packagePath = monolithicFile.getAbsolutePath(); 13944 if (isFwdLocked()) { 13945 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13946 } else { 13947 resourcePath = packagePath; 13948 } 13949 } else { 13950 packagePath = mountFile.getAbsolutePath(); 13951 resourcePath = packagePath; 13952 } 13953 } 13954 13955 int doPostInstall(int status, int uid) { 13956 if (status != PackageManager.INSTALL_SUCCEEDED) { 13957 cleanUp(); 13958 } else { 13959 final int groupOwner; 13960 final String protectedFile; 13961 if (isFwdLocked()) { 13962 groupOwner = UserHandle.getSharedAppGid(uid); 13963 protectedFile = RES_FILE_NAME; 13964 } else { 13965 groupOwner = -1; 13966 protectedFile = null; 13967 } 13968 13969 if (uid < Process.FIRST_APPLICATION_UID 13970 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13971 Slog.e(TAG, "Failed to finalize " + cid); 13972 PackageHelper.destroySdDir(cid); 13973 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13974 } 13975 13976 boolean mounted = PackageHelper.isContainerMounted(cid); 13977 if (!mounted) { 13978 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13979 } 13980 } 13981 return status; 13982 } 13983 13984 private void cleanUp() { 13985 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13986 13987 // Destroy secure container 13988 PackageHelper.destroySdDir(cid); 13989 } 13990 13991 private List<String> getAllCodePaths() { 13992 final File codeFile = new File(getCodePath()); 13993 if (codeFile != null && codeFile.exists()) { 13994 try { 13995 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13996 return pkg.getAllCodePaths(); 13997 } catch (PackageParserException e) { 13998 // Ignored; we tried our best 13999 } 14000 } 14001 return Collections.EMPTY_LIST; 14002 } 14003 14004 void cleanUpResourcesLI() { 14005 // Enumerate all code paths before deleting 14006 cleanUpResourcesLI(getAllCodePaths()); 14007 } 14008 14009 private void cleanUpResourcesLI(List<String> allCodePaths) { 14010 cleanUp(); 14011 removeDexFiles(allCodePaths, instructionSets); 14012 } 14013 14014 String getPackageName() { 14015 return getAsecPackageName(cid); 14016 } 14017 14018 boolean doPostDeleteLI(boolean delete) { 14019 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 14020 final List<String> allCodePaths = getAllCodePaths(); 14021 boolean mounted = PackageHelper.isContainerMounted(cid); 14022 if (mounted) { 14023 // Unmount first 14024 if (PackageHelper.unMountSdDir(cid)) { 14025 mounted = false; 14026 } 14027 } 14028 if (!mounted && delete) { 14029 cleanUpResourcesLI(allCodePaths); 14030 } 14031 return !mounted; 14032 } 14033 14034 @Override 14035 int doPreCopy() { 14036 if (isFwdLocked()) { 14037 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 14038 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 14039 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14040 } 14041 } 14042 14043 return PackageManager.INSTALL_SUCCEEDED; 14044 } 14045 14046 @Override 14047 int doPostCopy(int uid) { 14048 if (isFwdLocked()) { 14049 if (uid < Process.FIRST_APPLICATION_UID 14050 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 14051 RES_FILE_NAME)) { 14052 Slog.e(TAG, "Failed to finalize " + cid); 14053 PackageHelper.destroySdDir(cid); 14054 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14055 } 14056 } 14057 14058 return PackageManager.INSTALL_SUCCEEDED; 14059 } 14060 } 14061 14062 /** 14063 * Logic to handle movement of existing installed applications. 14064 */ 14065 class MoveInstallArgs extends InstallArgs { 14066 private File codeFile; 14067 private File resourceFile; 14068 14069 /** New install */ 14070 MoveInstallArgs(InstallParams params) { 14071 super(params.origin, params.move, params.observer, params.installFlags, 14072 params.installerPackageName, params.volumeUuid, 14073 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 14074 params.grantedRuntimePermissions, 14075 params.traceMethod, params.traceCookie, params.certificates); 14076 } 14077 14078 int copyApk(IMediaContainerService imcs, boolean temp) { 14079 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 14080 + move.fromUuid + " to " + move.toUuid); 14081 synchronized (mInstaller) { 14082 try { 14083 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 14084 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 14085 } catch (InstallerException e) { 14086 Slog.w(TAG, "Failed to move app", e); 14087 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14088 } 14089 } 14090 14091 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 14092 resourceFile = codeFile; 14093 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 14094 14095 return PackageManager.INSTALL_SUCCEEDED; 14096 } 14097 14098 int doPreInstall(int status) { 14099 if (status != PackageManager.INSTALL_SUCCEEDED) { 14100 cleanUp(move.toUuid); 14101 } 14102 return status; 14103 } 14104 14105 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14106 if (status != PackageManager.INSTALL_SUCCEEDED) { 14107 cleanUp(move.toUuid); 14108 return false; 14109 } 14110 14111 // Reflect the move in app info 14112 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14113 pkg.setApplicationInfoCodePath(pkg.codePath); 14114 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14115 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14116 pkg.setApplicationInfoResourcePath(pkg.codePath); 14117 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14118 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14119 14120 return true; 14121 } 14122 14123 int doPostInstall(int status, int uid) { 14124 if (status == PackageManager.INSTALL_SUCCEEDED) { 14125 cleanUp(move.fromUuid); 14126 } else { 14127 cleanUp(move.toUuid); 14128 } 14129 return status; 14130 } 14131 14132 @Override 14133 String getCodePath() { 14134 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14135 } 14136 14137 @Override 14138 String getResourcePath() { 14139 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14140 } 14141 14142 private boolean cleanUp(String volumeUuid) { 14143 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 14144 move.dataAppName); 14145 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 14146 final int[] userIds = sUserManager.getUserIds(); 14147 synchronized (mInstallLock) { 14148 // Clean up both app data and code 14149 // All package moves are frozen until finished 14150 for (int userId : userIds) { 14151 try { 14152 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14153 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14154 } catch (InstallerException e) { 14155 Slog.w(TAG, String.valueOf(e)); 14156 } 14157 } 14158 removeCodePathLI(codeFile); 14159 } 14160 return true; 14161 } 14162 14163 void cleanUpResourcesLI() { 14164 throw new UnsupportedOperationException(); 14165 } 14166 14167 boolean doPostDeleteLI(boolean delete) { 14168 throw new UnsupportedOperationException(); 14169 } 14170 } 14171 14172 static String getAsecPackageName(String packageCid) { 14173 int idx = packageCid.lastIndexOf("-"); 14174 if (idx == -1) { 14175 return packageCid; 14176 } 14177 return packageCid.substring(0, idx); 14178 } 14179 14180 // Utility method used to create code paths based on package name and available index. 14181 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14182 String idxStr = ""; 14183 int idx = 1; 14184 // Fall back to default value of idx=1 if prefix is not 14185 // part of oldCodePath 14186 if (oldCodePath != null) { 14187 String subStr = oldCodePath; 14188 // Drop the suffix right away 14189 if (suffix != null && subStr.endsWith(suffix)) { 14190 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14191 } 14192 // If oldCodePath already contains prefix find out the 14193 // ending index to either increment or decrement. 14194 int sidx = subStr.lastIndexOf(prefix); 14195 if (sidx != -1) { 14196 subStr = subStr.substring(sidx + prefix.length()); 14197 if (subStr != null) { 14198 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14199 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14200 } 14201 try { 14202 idx = Integer.parseInt(subStr); 14203 if (idx <= 1) { 14204 idx++; 14205 } else { 14206 idx--; 14207 } 14208 } catch(NumberFormatException e) { 14209 } 14210 } 14211 } 14212 } 14213 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14214 return prefix + idxStr; 14215 } 14216 14217 private File getNextCodePath(File targetDir, String packageName) { 14218 int suffix = 1; 14219 File result; 14220 do { 14221 result = new File(targetDir, packageName + "-" + suffix); 14222 suffix++; 14223 } while (result.exists()); 14224 return result; 14225 } 14226 14227 // Utility method that returns the relative package path with respect 14228 // to the installation directory. Like say for /data/data/com.test-1.apk 14229 // string com.test-1 is returned. 14230 static String deriveCodePathName(String codePath) { 14231 if (codePath == null) { 14232 return null; 14233 } 14234 final File codeFile = new File(codePath); 14235 final String name = codeFile.getName(); 14236 if (codeFile.isDirectory()) { 14237 return name; 14238 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14239 final int lastDot = name.lastIndexOf('.'); 14240 return name.substring(0, lastDot); 14241 } else { 14242 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14243 return null; 14244 } 14245 } 14246 14247 static class PackageInstalledInfo { 14248 String name; 14249 int uid; 14250 // The set of users that originally had this package installed. 14251 int[] origUsers; 14252 // The set of users that now have this package installed. 14253 int[] newUsers; 14254 PackageParser.Package pkg; 14255 int returnCode; 14256 String returnMsg; 14257 PackageRemovedInfo removedInfo; 14258 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14259 14260 public void setError(int code, String msg) { 14261 setReturnCode(code); 14262 setReturnMessage(msg); 14263 Slog.w(TAG, msg); 14264 } 14265 14266 public void setError(String msg, PackageParserException e) { 14267 setReturnCode(e.error); 14268 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14269 Slog.w(TAG, msg, e); 14270 } 14271 14272 public void setError(String msg, PackageManagerException e) { 14273 returnCode = e.error; 14274 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14275 Slog.w(TAG, msg, e); 14276 } 14277 14278 public void setReturnCode(int returnCode) { 14279 this.returnCode = returnCode; 14280 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14281 for (int i = 0; i < childCount; i++) { 14282 addedChildPackages.valueAt(i).returnCode = returnCode; 14283 } 14284 } 14285 14286 private void setReturnMessage(String returnMsg) { 14287 this.returnMsg = returnMsg; 14288 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14289 for (int i = 0; i < childCount; i++) { 14290 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14291 } 14292 } 14293 14294 // In some error cases we want to convey more info back to the observer 14295 String origPackage; 14296 String origPermission; 14297 } 14298 14299 /* 14300 * Install a non-existing package. 14301 */ 14302 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14303 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14304 PackageInstalledInfo res) { 14305 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14306 14307 // Remember this for later, in case we need to rollback this install 14308 String pkgName = pkg.packageName; 14309 14310 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14311 14312 synchronized(mPackages) { 14313 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 14314 if (renamedPackage != null) { 14315 // A package with the same name is already installed, though 14316 // it has been renamed to an older name. The package we 14317 // are trying to install should be installed as an update to 14318 // the existing one, but that has not been requested, so bail. 14319 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14320 + " without first uninstalling package running as " 14321 + renamedPackage); 14322 return; 14323 } 14324 if (mPackages.containsKey(pkgName)) { 14325 // Don't allow installation over an existing package with the same name. 14326 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14327 + " without first uninstalling."); 14328 return; 14329 } 14330 } 14331 14332 try { 14333 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14334 System.currentTimeMillis(), user); 14335 14336 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14337 14338 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14339 prepareAppDataAfterInstallLIF(newPackage); 14340 14341 } else { 14342 // Remove package from internal structures, but keep around any 14343 // data that might have already existed 14344 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14345 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14346 } 14347 } catch (PackageManagerException e) { 14348 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14349 } 14350 14351 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14352 } 14353 14354 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14355 // Can't rotate keys during boot or if sharedUser. 14356 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14357 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14358 return false; 14359 } 14360 // app is using upgradeKeySets; make sure all are valid 14361 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14362 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14363 for (int i = 0; i < upgradeKeySets.length; i++) { 14364 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14365 Slog.wtf(TAG, "Package " 14366 + (oldPs.name != null ? oldPs.name : "<null>") 14367 + " contains upgrade-key-set reference to unknown key-set: " 14368 + upgradeKeySets[i] 14369 + " reverting to signatures check."); 14370 return false; 14371 } 14372 } 14373 return true; 14374 } 14375 14376 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14377 // Upgrade keysets are being used. Determine if new package has a superset of the 14378 // required keys. 14379 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14380 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14381 for (int i = 0; i < upgradeKeySets.length; i++) { 14382 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14383 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14384 return true; 14385 } 14386 } 14387 return false; 14388 } 14389 14390 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14391 try (DigestInputStream digestStream = 14392 new DigestInputStream(new FileInputStream(file), digest)) { 14393 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14394 } 14395 } 14396 14397 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14398 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14399 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14400 14401 final PackageParser.Package oldPackage; 14402 final String pkgName = pkg.packageName; 14403 final int[] allUsers; 14404 final int[] installedUsers; 14405 14406 synchronized(mPackages) { 14407 oldPackage = mPackages.get(pkgName); 14408 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14409 14410 // don't allow upgrade to target a release SDK from a pre-release SDK 14411 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14412 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14413 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14414 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14415 if (oldTargetsPreRelease 14416 && !newTargetsPreRelease 14417 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14418 Slog.w(TAG, "Can't install package targeting released sdk"); 14419 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14420 return; 14421 } 14422 14423 // don't allow an upgrade from full to ephemeral 14424 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14425 if (isEphemeral && !oldIsEphemeral) { 14426 // can't downgrade from full to ephemeral 14427 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14428 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14429 return; 14430 } 14431 14432 // verify signatures are valid 14433 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14434 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14435 if (!checkUpgradeKeySetLP(ps, pkg)) { 14436 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14437 "New package not signed by keys specified by upgrade-keysets: " 14438 + pkgName); 14439 return; 14440 } 14441 } else { 14442 // default to original signature matching 14443 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14444 != PackageManager.SIGNATURE_MATCH) { 14445 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14446 "New package has a different signature: " + pkgName); 14447 return; 14448 } 14449 } 14450 14451 // don't allow a system upgrade unless the upgrade hash matches 14452 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14453 byte[] digestBytes = null; 14454 try { 14455 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14456 updateDigest(digest, new File(pkg.baseCodePath)); 14457 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14458 for (String path : pkg.splitCodePaths) { 14459 updateDigest(digest, new File(path)); 14460 } 14461 } 14462 digestBytes = digest.digest(); 14463 } catch (NoSuchAlgorithmException | IOException e) { 14464 res.setError(INSTALL_FAILED_INVALID_APK, 14465 "Could not compute hash: " + pkgName); 14466 return; 14467 } 14468 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14469 res.setError(INSTALL_FAILED_INVALID_APK, 14470 "New package fails restrict-update check: " + pkgName); 14471 return; 14472 } 14473 // retain upgrade restriction 14474 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14475 } 14476 14477 // Check for shared user id changes 14478 String invalidPackageName = 14479 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14480 if (invalidPackageName != null) { 14481 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14482 "Package " + invalidPackageName + " tried to change user " 14483 + oldPackage.mSharedUserId); 14484 return; 14485 } 14486 14487 // In case of rollback, remember per-user/profile install state 14488 allUsers = sUserManager.getUserIds(); 14489 installedUsers = ps.queryInstalledUsers(allUsers, true); 14490 } 14491 14492 // Update what is removed 14493 res.removedInfo = new PackageRemovedInfo(); 14494 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14495 res.removedInfo.removedPackage = oldPackage.packageName; 14496 res.removedInfo.isUpdate = true; 14497 res.removedInfo.origUsers = installedUsers; 14498 final int childCount = (oldPackage.childPackages != null) 14499 ? oldPackage.childPackages.size() : 0; 14500 for (int i = 0; i < childCount; i++) { 14501 boolean childPackageUpdated = false; 14502 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14503 if (res.addedChildPackages != null) { 14504 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14505 if (childRes != null) { 14506 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14507 childRes.removedInfo.removedPackage = childPkg.packageName; 14508 childRes.removedInfo.isUpdate = true; 14509 childPackageUpdated = true; 14510 } 14511 } 14512 if (!childPackageUpdated) { 14513 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14514 childRemovedRes.removedPackage = childPkg.packageName; 14515 childRemovedRes.isUpdate = false; 14516 childRemovedRes.dataRemoved = true; 14517 synchronized (mPackages) { 14518 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 14519 if (childPs != null) { 14520 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14521 } 14522 } 14523 if (res.removedInfo.removedChildPackages == null) { 14524 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14525 } 14526 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14527 } 14528 } 14529 14530 boolean sysPkg = (isSystemApp(oldPackage)); 14531 if (sysPkg) { 14532 // Set the system/privileged flags as needed 14533 final boolean privileged = 14534 (oldPackage.applicationInfo.privateFlags 14535 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14536 final int systemPolicyFlags = policyFlags 14537 | PackageParser.PARSE_IS_SYSTEM 14538 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14539 14540 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14541 user, allUsers, installerPackageName, res); 14542 } else { 14543 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14544 user, allUsers, installerPackageName, res); 14545 } 14546 } 14547 14548 public List<String> getPreviousCodePaths(String packageName) { 14549 final PackageSetting ps = mSettings.mPackages.get(packageName); 14550 final List<String> result = new ArrayList<String>(); 14551 if (ps != null && ps.oldCodePaths != null) { 14552 result.addAll(ps.oldCodePaths); 14553 } 14554 return result; 14555 } 14556 14557 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14558 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14559 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14560 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14561 + deletedPackage); 14562 14563 String pkgName = deletedPackage.packageName; 14564 boolean deletedPkg = true; 14565 boolean addedPkg = false; 14566 boolean updatedSettings = false; 14567 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14568 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14569 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14570 14571 final long origUpdateTime = (pkg.mExtras != null) 14572 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14573 14574 // First delete the existing package while retaining the data directory 14575 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14576 res.removedInfo, true, pkg)) { 14577 // If the existing package wasn't successfully deleted 14578 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14579 deletedPkg = false; 14580 } else { 14581 // Successfully deleted the old package; proceed with replace. 14582 14583 // If deleted package lived in a container, give users a chance to 14584 // relinquish resources before killing. 14585 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14586 if (DEBUG_INSTALL) { 14587 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14588 } 14589 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14590 final ArrayList<String> pkgList = new ArrayList<String>(1); 14591 pkgList.add(deletedPackage.applicationInfo.packageName); 14592 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14593 } 14594 14595 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14596 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14597 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14598 14599 try { 14600 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14601 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14602 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14603 14604 // Update the in-memory copy of the previous code paths. 14605 PackageSetting ps = mSettings.mPackages.get(pkgName); 14606 if (!killApp) { 14607 if (ps.oldCodePaths == null) { 14608 ps.oldCodePaths = new ArraySet<>(); 14609 } 14610 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14611 if (deletedPackage.splitCodePaths != null) { 14612 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14613 } 14614 } else { 14615 ps.oldCodePaths = null; 14616 } 14617 if (ps.childPackageNames != null) { 14618 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14619 final String childPkgName = ps.childPackageNames.get(i); 14620 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14621 childPs.oldCodePaths = ps.oldCodePaths; 14622 } 14623 } 14624 prepareAppDataAfterInstallLIF(newPackage); 14625 addedPkg = true; 14626 } catch (PackageManagerException e) { 14627 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14628 } 14629 } 14630 14631 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14632 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14633 14634 // Revert all internal state mutations and added folders for the failed install 14635 if (addedPkg) { 14636 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14637 res.removedInfo, true, null); 14638 } 14639 14640 // Restore the old package 14641 if (deletedPkg) { 14642 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14643 File restoreFile = new File(deletedPackage.codePath); 14644 // Parse old package 14645 boolean oldExternal = isExternal(deletedPackage); 14646 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14647 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14648 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14649 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14650 try { 14651 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14652 null); 14653 } catch (PackageManagerException e) { 14654 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14655 + e.getMessage()); 14656 return; 14657 } 14658 14659 synchronized (mPackages) { 14660 // Ensure the installer package name up to date 14661 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14662 14663 // Update permissions for restored package 14664 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14665 14666 mSettings.writeLPr(); 14667 } 14668 14669 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14670 } 14671 } else { 14672 synchronized (mPackages) { 14673 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 14674 if (ps != null) { 14675 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14676 if (res.removedInfo.removedChildPackages != null) { 14677 final int childCount = res.removedInfo.removedChildPackages.size(); 14678 // Iterate in reverse as we may modify the collection 14679 for (int i = childCount - 1; i >= 0; i--) { 14680 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14681 if (res.addedChildPackages.containsKey(childPackageName)) { 14682 res.removedInfo.removedChildPackages.removeAt(i); 14683 } else { 14684 PackageRemovedInfo childInfo = res.removedInfo 14685 .removedChildPackages.valueAt(i); 14686 childInfo.removedForAllUsers = mPackages.get( 14687 childInfo.removedPackage) == null; 14688 } 14689 } 14690 } 14691 } 14692 } 14693 } 14694 } 14695 14696 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14697 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14698 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14699 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14700 + ", old=" + deletedPackage); 14701 14702 final boolean disabledSystem; 14703 14704 // Remove existing system package 14705 removePackageLI(deletedPackage, true); 14706 14707 synchronized (mPackages) { 14708 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14709 } 14710 if (!disabledSystem) { 14711 // We didn't need to disable the .apk as a current system package, 14712 // which means we are replacing another update that is already 14713 // installed. We need to make sure to delete the older one's .apk. 14714 res.removedInfo.args = createInstallArgsForExisting(0, 14715 deletedPackage.applicationInfo.getCodePath(), 14716 deletedPackage.applicationInfo.getResourcePath(), 14717 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14718 } else { 14719 res.removedInfo.args = null; 14720 } 14721 14722 // Successfully disabled the old package. Now proceed with re-installation 14723 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14724 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14725 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14726 14727 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14728 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14729 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14730 14731 PackageParser.Package newPackage = null; 14732 try { 14733 // Add the package to the internal data structures 14734 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14735 14736 // Set the update and install times 14737 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14738 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14739 System.currentTimeMillis()); 14740 14741 // Update the package dynamic state if succeeded 14742 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14743 // Now that the install succeeded make sure we remove data 14744 // directories for any child package the update removed. 14745 final int deletedChildCount = (deletedPackage.childPackages != null) 14746 ? deletedPackage.childPackages.size() : 0; 14747 final int newChildCount = (newPackage.childPackages != null) 14748 ? newPackage.childPackages.size() : 0; 14749 for (int i = 0; i < deletedChildCount; i++) { 14750 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14751 boolean childPackageDeleted = true; 14752 for (int j = 0; j < newChildCount; j++) { 14753 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14754 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14755 childPackageDeleted = false; 14756 break; 14757 } 14758 } 14759 if (childPackageDeleted) { 14760 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14761 deletedChildPkg.packageName); 14762 if (ps != null && res.removedInfo.removedChildPackages != null) { 14763 PackageRemovedInfo removedChildRes = res.removedInfo 14764 .removedChildPackages.get(deletedChildPkg.packageName); 14765 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14766 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14767 } 14768 } 14769 } 14770 14771 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14772 prepareAppDataAfterInstallLIF(newPackage); 14773 } 14774 } catch (PackageManagerException e) { 14775 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14776 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14777 } 14778 14779 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14780 // Re installation failed. Restore old information 14781 // Remove new pkg information 14782 if (newPackage != null) { 14783 removeInstalledPackageLI(newPackage, true); 14784 } 14785 // Add back the old system package 14786 try { 14787 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14788 } catch (PackageManagerException e) { 14789 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14790 } 14791 14792 synchronized (mPackages) { 14793 if (disabledSystem) { 14794 enableSystemPackageLPw(deletedPackage); 14795 } 14796 14797 // Ensure the installer package name up to date 14798 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14799 14800 // Update permissions for restored package 14801 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14802 14803 mSettings.writeLPr(); 14804 } 14805 14806 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14807 + " after failed upgrade"); 14808 } 14809 } 14810 14811 /** 14812 * Checks whether the parent or any of the child packages have a change shared 14813 * user. For a package to be a valid update the shred users of the parent and 14814 * the children should match. We may later support changing child shared users. 14815 * @param oldPkg The updated package. 14816 * @param newPkg The update package. 14817 * @return The shared user that change between the versions. 14818 */ 14819 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14820 PackageParser.Package newPkg) { 14821 // Check parent shared user 14822 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14823 return newPkg.packageName; 14824 } 14825 // Check child shared users 14826 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14827 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14828 for (int i = 0; i < newChildCount; i++) { 14829 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14830 // If this child was present, did it have the same shared user? 14831 for (int j = 0; j < oldChildCount; j++) { 14832 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14833 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14834 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14835 return newChildPkg.packageName; 14836 } 14837 } 14838 } 14839 return null; 14840 } 14841 14842 private void removeNativeBinariesLI(PackageSetting ps) { 14843 // Remove the lib path for the parent package 14844 if (ps != null) { 14845 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14846 // Remove the lib path for the child packages 14847 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14848 for (int i = 0; i < childCount; i++) { 14849 PackageSetting childPs = null; 14850 synchronized (mPackages) { 14851 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 14852 } 14853 if (childPs != null) { 14854 NativeLibraryHelper.removeNativeBinariesLI(childPs 14855 .legacyNativeLibraryPathString); 14856 } 14857 } 14858 } 14859 } 14860 14861 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14862 // Enable the parent package 14863 mSettings.enableSystemPackageLPw(pkg.packageName); 14864 // Enable the child packages 14865 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14866 for (int i = 0; i < childCount; i++) { 14867 PackageParser.Package childPkg = pkg.childPackages.get(i); 14868 mSettings.enableSystemPackageLPw(childPkg.packageName); 14869 } 14870 } 14871 14872 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14873 PackageParser.Package newPkg) { 14874 // Disable the parent package (parent always replaced) 14875 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14876 // Disable the child packages 14877 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14878 for (int i = 0; i < childCount; i++) { 14879 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14880 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14881 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14882 } 14883 return disabled; 14884 } 14885 14886 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14887 String installerPackageName) { 14888 // Enable the parent package 14889 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14890 // Enable the child packages 14891 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14892 for (int i = 0; i < childCount; i++) { 14893 PackageParser.Package childPkg = pkg.childPackages.get(i); 14894 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14895 } 14896 } 14897 14898 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14899 // Collect all used permissions in the UID 14900 ArraySet<String> usedPermissions = new ArraySet<>(); 14901 final int packageCount = su.packages.size(); 14902 for (int i = 0; i < packageCount; i++) { 14903 PackageSetting ps = su.packages.valueAt(i); 14904 if (ps.pkg == null) { 14905 continue; 14906 } 14907 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14908 for (int j = 0; j < requestedPermCount; j++) { 14909 String permission = ps.pkg.requestedPermissions.get(j); 14910 BasePermission bp = mSettings.mPermissions.get(permission); 14911 if (bp != null) { 14912 usedPermissions.add(permission); 14913 } 14914 } 14915 } 14916 14917 PermissionsState permissionsState = su.getPermissionsState(); 14918 // Prune install permissions 14919 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14920 final int installPermCount = installPermStates.size(); 14921 for (int i = installPermCount - 1; i >= 0; i--) { 14922 PermissionState permissionState = installPermStates.get(i); 14923 if (!usedPermissions.contains(permissionState.getName())) { 14924 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14925 if (bp != null) { 14926 permissionsState.revokeInstallPermission(bp); 14927 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14928 PackageManager.MASK_PERMISSION_FLAGS, 0); 14929 } 14930 } 14931 } 14932 14933 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14934 14935 // Prune runtime permissions 14936 for (int userId : allUserIds) { 14937 List<PermissionState> runtimePermStates = permissionsState 14938 .getRuntimePermissionStates(userId); 14939 final int runtimePermCount = runtimePermStates.size(); 14940 for (int i = runtimePermCount - 1; i >= 0; i--) { 14941 PermissionState permissionState = runtimePermStates.get(i); 14942 if (!usedPermissions.contains(permissionState.getName())) { 14943 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14944 if (bp != null) { 14945 permissionsState.revokeRuntimePermission(bp, userId); 14946 permissionsState.updatePermissionFlags(bp, userId, 14947 PackageManager.MASK_PERMISSION_FLAGS, 0); 14948 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14949 runtimePermissionChangedUserIds, userId); 14950 } 14951 } 14952 } 14953 } 14954 14955 return runtimePermissionChangedUserIds; 14956 } 14957 14958 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14959 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14960 // Update the parent package setting 14961 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14962 res, user); 14963 // Update the child packages setting 14964 final int childCount = (newPackage.childPackages != null) 14965 ? newPackage.childPackages.size() : 0; 14966 for (int i = 0; i < childCount; i++) { 14967 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14968 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14969 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14970 childRes.origUsers, childRes, user); 14971 } 14972 } 14973 14974 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14975 String installerPackageName, int[] allUsers, int[] installedForUsers, 14976 PackageInstalledInfo res, UserHandle user) { 14977 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14978 14979 String pkgName = newPackage.packageName; 14980 synchronized (mPackages) { 14981 //write settings. the installStatus will be incomplete at this stage. 14982 //note that the new package setting would have already been 14983 //added to mPackages. It hasn't been persisted yet. 14984 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14985 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14986 mSettings.writeLPr(); 14987 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14988 } 14989 14990 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14991 synchronized (mPackages) { 14992 updatePermissionsLPw(newPackage.packageName, newPackage, 14993 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14994 ? UPDATE_PERMISSIONS_ALL : 0)); 14995 // For system-bundled packages, we assume that installing an upgraded version 14996 // of the package implies that the user actually wants to run that new code, 14997 // so we enable the package. 14998 PackageSetting ps = mSettings.mPackages.get(pkgName); 14999 final int userId = user.getIdentifier(); 15000 if (ps != null) { 15001 if (isSystemApp(newPackage)) { 15002 if (DEBUG_INSTALL) { 15003 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 15004 } 15005 // Enable system package for requested users 15006 if (res.origUsers != null) { 15007 for (int origUserId : res.origUsers) { 15008 if (userId == UserHandle.USER_ALL || userId == origUserId) { 15009 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 15010 origUserId, installerPackageName); 15011 } 15012 } 15013 } 15014 // Also convey the prior install/uninstall state 15015 if (allUsers != null && installedForUsers != null) { 15016 for (int currentUserId : allUsers) { 15017 final boolean installed = ArrayUtils.contains( 15018 installedForUsers, currentUserId); 15019 if (DEBUG_INSTALL) { 15020 Slog.d(TAG, " user " + currentUserId + " => " + installed); 15021 } 15022 ps.setInstalled(installed, currentUserId); 15023 } 15024 // these install state changes will be persisted in the 15025 // upcoming call to mSettings.writeLPr(). 15026 } 15027 } 15028 // It's implied that when a user requests installation, they want the app to be 15029 // installed and enabled. 15030 if (userId != UserHandle.USER_ALL) { 15031 ps.setInstalled(true, userId); 15032 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 15033 } 15034 } 15035 res.name = pkgName; 15036 res.uid = newPackage.applicationInfo.uid; 15037 res.pkg = newPackage; 15038 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 15039 mSettings.setInstallerPackageName(pkgName, installerPackageName); 15040 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15041 //to update install status 15042 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15043 mSettings.writeLPr(); 15044 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15045 } 15046 15047 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15048 } 15049 15050 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 15051 try { 15052 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 15053 installPackageLI(args, res); 15054 } finally { 15055 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15056 } 15057 } 15058 15059 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 15060 final int installFlags = args.installFlags; 15061 final String installerPackageName = args.installerPackageName; 15062 final String volumeUuid = args.volumeUuid; 15063 final File tmpPackageFile = new File(args.getCodePath()); 15064 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 15065 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 15066 || (args.volumeUuid != null)); 15067 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 15068 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 15069 boolean replace = false; 15070 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 15071 if (args.move != null) { 15072 // moving a complete application; perform an initial scan on the new install location 15073 scanFlags |= SCAN_INITIAL; 15074 } 15075 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 15076 scanFlags |= SCAN_DONT_KILL_APP; 15077 } 15078 15079 // Result object to be returned 15080 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15081 15082 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 15083 15084 // Sanity check 15085 if (ephemeral && (forwardLocked || onExternal)) { 15086 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 15087 + " external=" + onExternal); 15088 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 15089 return; 15090 } 15091 15092 // Retrieve PackageSettings and parse package 15093 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 15094 | PackageParser.PARSE_ENFORCE_CODE 15095 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 15096 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 15097 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 15098 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 15099 PackageParser pp = new PackageParser(); 15100 pp.setSeparateProcesses(mSeparateProcesses); 15101 pp.setDisplayMetrics(mMetrics); 15102 15103 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 15104 final PackageParser.Package pkg; 15105 try { 15106 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 15107 } catch (PackageParserException e) { 15108 res.setError("Failed parse during installPackageLI", e); 15109 return; 15110 } finally { 15111 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15112 } 15113 15114 // If we are installing a clustered package add results for the children 15115 if (pkg.childPackages != null) { 15116 synchronized (mPackages) { 15117 final int childCount = pkg.childPackages.size(); 15118 for (int i = 0; i < childCount; i++) { 15119 PackageParser.Package childPkg = pkg.childPackages.get(i); 15120 PackageInstalledInfo childRes = new PackageInstalledInfo(); 15121 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15122 childRes.pkg = childPkg; 15123 childRes.name = childPkg.packageName; 15124 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15125 if (childPs != null) { 15126 childRes.origUsers = childPs.queryInstalledUsers( 15127 sUserManager.getUserIds(), true); 15128 } 15129 if ((mPackages.containsKey(childPkg.packageName))) { 15130 childRes.removedInfo = new PackageRemovedInfo(); 15131 childRes.removedInfo.removedPackage = childPkg.packageName; 15132 } 15133 if (res.addedChildPackages == null) { 15134 res.addedChildPackages = new ArrayMap<>(); 15135 } 15136 res.addedChildPackages.put(childPkg.packageName, childRes); 15137 } 15138 } 15139 } 15140 15141 // If package doesn't declare API override, mark that we have an install 15142 // time CPU ABI override. 15143 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 15144 pkg.cpuAbiOverride = args.abiOverride; 15145 } 15146 15147 String pkgName = res.name = pkg.packageName; 15148 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15149 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15150 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15151 return; 15152 } 15153 } 15154 15155 try { 15156 // either use what we've been given or parse directly from the APK 15157 if (args.certificates != null) { 15158 try { 15159 PackageParser.populateCertificates(pkg, args.certificates); 15160 } catch (PackageParserException e) { 15161 // there was something wrong with the certificates we were given; 15162 // try to pull them from the APK 15163 PackageParser.collectCertificates(pkg, parseFlags); 15164 } 15165 } else { 15166 PackageParser.collectCertificates(pkg, parseFlags); 15167 } 15168 } catch (PackageParserException e) { 15169 res.setError("Failed collect during installPackageLI", e); 15170 return; 15171 } 15172 15173 // Get rid of all references to package scan path via parser. 15174 pp = null; 15175 String oldCodePath = null; 15176 boolean systemApp = false; 15177 synchronized (mPackages) { 15178 // Check if installing already existing package 15179 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15180 String oldName = mSettings.getRenamedPackageLPr(pkgName); 15181 if (pkg.mOriginalPackages != null 15182 && pkg.mOriginalPackages.contains(oldName) 15183 && mPackages.containsKey(oldName)) { 15184 // This package is derived from an original package, 15185 // and this device has been updating from that original 15186 // name. We must continue using the original name, so 15187 // rename the new package here. 15188 pkg.setPackageName(oldName); 15189 pkgName = pkg.packageName; 15190 replace = true; 15191 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15192 + oldName + " pkgName=" + pkgName); 15193 } else if (mPackages.containsKey(pkgName)) { 15194 // This package, under its official name, already exists 15195 // on the device; we should replace it. 15196 replace = true; 15197 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15198 } 15199 15200 // Child packages are installed through the parent package 15201 if (pkg.parentPackage != null) { 15202 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15203 "Package " + pkg.packageName + " is child of package " 15204 + pkg.parentPackage.parentPackage + ". Child packages " 15205 + "can be updated only through the parent package."); 15206 return; 15207 } 15208 15209 if (replace) { 15210 // Prevent apps opting out from runtime permissions 15211 PackageParser.Package oldPackage = mPackages.get(pkgName); 15212 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15213 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15214 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15215 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15216 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15217 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15218 + " doesn't support runtime permissions but the old" 15219 + " target SDK " + oldTargetSdk + " does."); 15220 return; 15221 } 15222 15223 // Prevent installing of child packages 15224 if (oldPackage.parentPackage != null) { 15225 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15226 "Package " + pkg.packageName + " is child of package " 15227 + oldPackage.parentPackage + ". Child packages " 15228 + "can be updated only through the parent package."); 15229 return; 15230 } 15231 } 15232 } 15233 15234 PackageSetting ps = mSettings.mPackages.get(pkgName); 15235 if (ps != null) { 15236 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15237 15238 // Quick sanity check that we're signed correctly if updating; 15239 // we'll check this again later when scanning, but we want to 15240 // bail early here before tripping over redefined permissions. 15241 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15242 if (!checkUpgradeKeySetLP(ps, pkg)) { 15243 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15244 + pkg.packageName + " upgrade keys do not match the " 15245 + "previously installed version"); 15246 return; 15247 } 15248 } else { 15249 try { 15250 verifySignaturesLP(ps, pkg); 15251 } catch (PackageManagerException e) { 15252 res.setError(e.error, e.getMessage()); 15253 return; 15254 } 15255 } 15256 15257 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15258 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15259 systemApp = (ps.pkg.applicationInfo.flags & 15260 ApplicationInfo.FLAG_SYSTEM) != 0; 15261 } 15262 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15263 } 15264 15265 // Check whether the newly-scanned package wants to define an already-defined perm 15266 int N = pkg.permissions.size(); 15267 for (int i = N-1; i >= 0; i--) { 15268 PackageParser.Permission perm = pkg.permissions.get(i); 15269 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15270 if (bp != null) { 15271 // If the defining package is signed with our cert, it's okay. This 15272 // also includes the "updating the same package" case, of course. 15273 // "updating same package" could also involve key-rotation. 15274 final boolean sigsOk; 15275 if (bp.sourcePackage.equals(pkg.packageName) 15276 && (bp.packageSetting instanceof PackageSetting) 15277 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15278 scanFlags))) { 15279 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15280 } else { 15281 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15282 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15283 } 15284 if (!sigsOk) { 15285 // If the owning package is the system itself, we log but allow 15286 // install to proceed; we fail the install on all other permission 15287 // redefinitions. 15288 if (!bp.sourcePackage.equals("android")) { 15289 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15290 + pkg.packageName + " attempting to redeclare permission " 15291 + perm.info.name + " already owned by " + bp.sourcePackage); 15292 res.origPermission = perm.info.name; 15293 res.origPackage = bp.sourcePackage; 15294 return; 15295 } else { 15296 Slog.w(TAG, "Package " + pkg.packageName 15297 + " attempting to redeclare system permission " 15298 + perm.info.name + "; ignoring new declaration"); 15299 pkg.permissions.remove(i); 15300 } 15301 } 15302 } 15303 } 15304 } 15305 15306 if (systemApp) { 15307 if (onExternal) { 15308 // Abort update; system app can't be replaced with app on sdcard 15309 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15310 "Cannot install updates to system apps on sdcard"); 15311 return; 15312 } else if (ephemeral) { 15313 // Abort update; system app can't be replaced with an ephemeral app 15314 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15315 "Cannot update a system app with an ephemeral app"); 15316 return; 15317 } 15318 } 15319 15320 if (args.move != null) { 15321 // We did an in-place move, so dex is ready to roll 15322 scanFlags |= SCAN_NO_DEX; 15323 scanFlags |= SCAN_MOVE; 15324 15325 synchronized (mPackages) { 15326 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15327 if (ps == null) { 15328 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15329 "Missing settings for moved package " + pkgName); 15330 } 15331 15332 // We moved the entire application as-is, so bring over the 15333 // previously derived ABI information. 15334 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15335 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15336 } 15337 15338 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15339 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15340 scanFlags |= SCAN_NO_DEX; 15341 15342 try { 15343 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15344 args.abiOverride : pkg.cpuAbiOverride); 15345 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15346 true /*extractLibs*/, mAppLib32InstallDir); 15347 } catch (PackageManagerException pme) { 15348 Slog.e(TAG, "Error deriving application ABI", pme); 15349 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15350 return; 15351 } 15352 15353 // Shared libraries for the package need to be updated. 15354 synchronized (mPackages) { 15355 try { 15356 updateSharedLibrariesLPr(pkg, null); 15357 } catch (PackageManagerException e) { 15358 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15359 } 15360 } 15361 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15362 // Do not run PackageDexOptimizer through the local performDexOpt 15363 // method because `pkg` may not be in `mPackages` yet. 15364 // 15365 // Also, don't fail application installs if the dexopt step fails. 15366 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15367 null /* instructionSets */, false /* checkProfiles */, 15368 getCompilerFilterForReason(REASON_INSTALL), 15369 getOrCreateCompilerPackageStats(pkg)); 15370 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15371 15372 // Notify BackgroundDexOptService that the package has been changed. 15373 // If this is an update of a package which used to fail to compile, 15374 // BDOS will remove it from its blacklist. 15375 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15376 } 15377 15378 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15379 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15380 return; 15381 } 15382 15383 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15384 15385 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15386 "installPackageLI")) { 15387 if (replace) { 15388 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15389 installerPackageName, res); 15390 } else { 15391 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15392 args.user, installerPackageName, volumeUuid, res); 15393 } 15394 } 15395 synchronized (mPackages) { 15396 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15397 if (ps != null) { 15398 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15399 } 15400 15401 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15402 for (int i = 0; i < childCount; i++) { 15403 PackageParser.Package childPkg = pkg.childPackages.get(i); 15404 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15405 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15406 if (childPs != null) { 15407 childRes.newUsers = childPs.queryInstalledUsers( 15408 sUserManager.getUserIds(), true); 15409 } 15410 } 15411 } 15412 } 15413 15414 private void startIntentFilterVerifications(int userId, boolean replacing, 15415 PackageParser.Package pkg) { 15416 if (mIntentFilterVerifierComponent == null) { 15417 Slog.w(TAG, "No IntentFilter verification will not be done as " 15418 + "there is no IntentFilterVerifier available!"); 15419 return; 15420 } 15421 15422 final int verifierUid = getPackageUid( 15423 mIntentFilterVerifierComponent.getPackageName(), 15424 MATCH_DEBUG_TRIAGED_MISSING, 15425 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15426 15427 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15428 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15429 mHandler.sendMessage(msg); 15430 15431 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15432 for (int i = 0; i < childCount; i++) { 15433 PackageParser.Package childPkg = pkg.childPackages.get(i); 15434 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15435 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15436 mHandler.sendMessage(msg); 15437 } 15438 } 15439 15440 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15441 PackageParser.Package pkg) { 15442 int size = pkg.activities.size(); 15443 if (size == 0) { 15444 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15445 "No activity, so no need to verify any IntentFilter!"); 15446 return; 15447 } 15448 15449 final boolean hasDomainURLs = hasDomainURLs(pkg); 15450 if (!hasDomainURLs) { 15451 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15452 "No domain URLs, so no need to verify any IntentFilter!"); 15453 return; 15454 } 15455 15456 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15457 + " if any IntentFilter from the " + size 15458 + " Activities needs verification ..."); 15459 15460 int count = 0; 15461 final String packageName = pkg.packageName; 15462 15463 synchronized (mPackages) { 15464 // If this is a new install and we see that we've already run verification for this 15465 // package, we have nothing to do: it means the state was restored from backup. 15466 if (!replacing) { 15467 IntentFilterVerificationInfo ivi = 15468 mSettings.getIntentFilterVerificationLPr(packageName); 15469 if (ivi != null) { 15470 if (DEBUG_DOMAIN_VERIFICATION) { 15471 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15472 + ivi.getStatusString()); 15473 } 15474 return; 15475 } 15476 } 15477 15478 // If any filters need to be verified, then all need to be. 15479 boolean needToVerify = false; 15480 for (PackageParser.Activity a : pkg.activities) { 15481 for (ActivityIntentInfo filter : a.intents) { 15482 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15483 if (DEBUG_DOMAIN_VERIFICATION) { 15484 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15485 } 15486 needToVerify = true; 15487 break; 15488 } 15489 } 15490 } 15491 15492 if (needToVerify) { 15493 final int verificationId = mIntentFilterVerificationToken++; 15494 for (PackageParser.Activity a : pkg.activities) { 15495 for (ActivityIntentInfo filter : a.intents) { 15496 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15497 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15498 "Verification needed for IntentFilter:" + filter.toString()); 15499 mIntentFilterVerifier.addOneIntentFilterVerification( 15500 verifierUid, userId, verificationId, filter, packageName); 15501 count++; 15502 } 15503 } 15504 } 15505 } 15506 } 15507 15508 if (count > 0) { 15509 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15510 + " IntentFilter verification" + (count > 1 ? "s" : "") 15511 + " for userId:" + userId); 15512 mIntentFilterVerifier.startVerifications(userId); 15513 } else { 15514 if (DEBUG_DOMAIN_VERIFICATION) { 15515 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15516 } 15517 } 15518 } 15519 15520 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15521 final ComponentName cn = filter.activity.getComponentName(); 15522 final String packageName = cn.getPackageName(); 15523 15524 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15525 packageName); 15526 if (ivi == null) { 15527 return true; 15528 } 15529 int status = ivi.getStatus(); 15530 switch (status) { 15531 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15532 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15533 return true; 15534 15535 default: 15536 // Nothing to do 15537 return false; 15538 } 15539 } 15540 15541 private static boolean isMultiArch(ApplicationInfo info) { 15542 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15543 } 15544 15545 private static boolean isExternal(PackageParser.Package pkg) { 15546 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15547 } 15548 15549 private static boolean isExternal(PackageSetting ps) { 15550 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15551 } 15552 15553 private static boolean isEphemeral(PackageParser.Package pkg) { 15554 return pkg.applicationInfo.isEphemeralApp(); 15555 } 15556 15557 private static boolean isEphemeral(PackageSetting ps) { 15558 return ps.pkg != null && isEphemeral(ps.pkg); 15559 } 15560 15561 private static boolean isSystemApp(PackageParser.Package pkg) { 15562 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15563 } 15564 15565 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15566 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15567 } 15568 15569 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15570 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15571 } 15572 15573 private static boolean isSystemApp(PackageSetting ps) { 15574 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15575 } 15576 15577 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15578 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15579 } 15580 15581 private int packageFlagsToInstallFlags(PackageSetting ps) { 15582 int installFlags = 0; 15583 if (isEphemeral(ps)) { 15584 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15585 } 15586 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15587 // This existing package was an external ASEC install when we have 15588 // the external flag without a UUID 15589 installFlags |= PackageManager.INSTALL_EXTERNAL; 15590 } 15591 if (ps.isForwardLocked()) { 15592 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15593 } 15594 return installFlags; 15595 } 15596 15597 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15598 if (isExternal(pkg)) { 15599 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15600 return StorageManager.UUID_PRIMARY_PHYSICAL; 15601 } else { 15602 return pkg.volumeUuid; 15603 } 15604 } else { 15605 return StorageManager.UUID_PRIVATE_INTERNAL; 15606 } 15607 } 15608 15609 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15610 if (isExternal(pkg)) { 15611 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15612 return mSettings.getExternalVersion(); 15613 } else { 15614 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15615 } 15616 } else { 15617 return mSettings.getInternalVersion(); 15618 } 15619 } 15620 15621 private void deleteTempPackageFiles() { 15622 final FilenameFilter filter = new FilenameFilter() { 15623 public boolean accept(File dir, String name) { 15624 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15625 } 15626 }; 15627 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15628 file.delete(); 15629 } 15630 } 15631 15632 @Override 15633 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15634 int flags) { 15635 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15636 flags); 15637 } 15638 15639 @Override 15640 public void deletePackage(final String packageName, 15641 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15642 mContext.enforceCallingOrSelfPermission( 15643 android.Manifest.permission.DELETE_PACKAGES, null); 15644 Preconditions.checkNotNull(packageName); 15645 Preconditions.checkNotNull(observer); 15646 final int uid = Binder.getCallingUid(); 15647 if (!isOrphaned(packageName) 15648 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 15649 try { 15650 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 15651 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 15652 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 15653 observer.onUserActionRequired(intent); 15654 } catch (RemoteException re) { 15655 } 15656 return; 15657 } 15658 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15659 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15660 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15661 mContext.enforceCallingOrSelfPermission( 15662 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15663 "deletePackage for user " + userId); 15664 } 15665 15666 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15667 try { 15668 observer.onPackageDeleted(packageName, 15669 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15670 } catch (RemoteException re) { 15671 } 15672 return; 15673 } 15674 15675 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15676 try { 15677 observer.onPackageDeleted(packageName, 15678 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15679 } catch (RemoteException re) { 15680 } 15681 return; 15682 } 15683 15684 if (DEBUG_REMOVE) { 15685 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15686 + " deleteAllUsers: " + deleteAllUsers ); 15687 } 15688 // Queue up an async operation since the package deletion may take a little while. 15689 mHandler.post(new Runnable() { 15690 public void run() { 15691 mHandler.removeCallbacks(this); 15692 int returnCode; 15693 if (!deleteAllUsers) { 15694 returnCode = deletePackageX(packageName, userId, deleteFlags); 15695 } else { 15696 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15697 // If nobody is blocking uninstall, proceed with delete for all users 15698 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15699 returnCode = deletePackageX(packageName, userId, deleteFlags); 15700 } else { 15701 // Otherwise uninstall individually for users with blockUninstalls=false 15702 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15703 for (int userId : users) { 15704 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15705 returnCode = deletePackageX(packageName, userId, userFlags); 15706 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15707 Slog.w(TAG, "Package delete failed for user " + userId 15708 + ", returnCode " + returnCode); 15709 } 15710 } 15711 } 15712 // The app has only been marked uninstalled for certain users. 15713 // We still need to report that delete was blocked 15714 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15715 } 15716 } 15717 try { 15718 observer.onPackageDeleted(packageName, returnCode, null); 15719 } catch (RemoteException e) { 15720 Log.i(TAG, "Observer no longer exists."); 15721 } //end catch 15722 } //end run 15723 }); 15724 } 15725 15726 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 15727 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 15728 || callingUid == Process.SYSTEM_UID) { 15729 return true; 15730 } 15731 final int callingUserId = UserHandle.getUserId(callingUid); 15732 // If the caller installed the pkgName, then allow it to silently uninstall. 15733 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 15734 return true; 15735 } 15736 15737 // Allow package verifier to silently uninstall. 15738 if (mRequiredVerifierPackage != null && 15739 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 15740 return true; 15741 } 15742 15743 // Allow package uninstaller to silently uninstall. 15744 if (mRequiredUninstallerPackage != null && 15745 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 15746 return true; 15747 } 15748 15749 // Allow storage manager to silently uninstall. 15750 if (mStorageManagerPackage != null && 15751 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 15752 return true; 15753 } 15754 return false; 15755 } 15756 15757 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15758 int[] result = EMPTY_INT_ARRAY; 15759 for (int userId : userIds) { 15760 if (getBlockUninstallForUser(packageName, userId)) { 15761 result = ArrayUtils.appendInt(result, userId); 15762 } 15763 } 15764 return result; 15765 } 15766 15767 @Override 15768 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15769 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15770 } 15771 15772 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15773 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15774 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15775 try { 15776 if (dpm != null) { 15777 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15778 /* callingUserOnly =*/ false); 15779 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15780 : deviceOwnerComponentName.getPackageName(); 15781 // Does the package contains the device owner? 15782 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15783 // this check is probably not needed, since DO should be registered as a device 15784 // admin on some user too. (Original bug for this: b/17657954) 15785 if (packageName.equals(deviceOwnerPackageName)) { 15786 return true; 15787 } 15788 // Does it contain a device admin for any user? 15789 int[] users; 15790 if (userId == UserHandle.USER_ALL) { 15791 users = sUserManager.getUserIds(); 15792 } else { 15793 users = new int[]{userId}; 15794 } 15795 for (int i = 0; i < users.length; ++i) { 15796 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15797 return true; 15798 } 15799 } 15800 } 15801 } catch (RemoteException e) { 15802 } 15803 return false; 15804 } 15805 15806 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15807 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15808 } 15809 15810 /** 15811 * This method is an internal method that could be get invoked either 15812 * to delete an installed package or to clean up a failed installation. 15813 * After deleting an installed package, a broadcast is sent to notify any 15814 * listeners that the package has been removed. For cleaning up a failed 15815 * installation, the broadcast is not necessary since the package's 15816 * installation wouldn't have sent the initial broadcast either 15817 * The key steps in deleting a package are 15818 * deleting the package information in internal structures like mPackages, 15819 * deleting the packages base directories through installd 15820 * updating mSettings to reflect current status 15821 * persisting settings for later use 15822 * sending a broadcast if necessary 15823 */ 15824 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15825 final PackageRemovedInfo info = new PackageRemovedInfo(); 15826 final boolean res; 15827 15828 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15829 ? UserHandle.USER_ALL : userId; 15830 15831 if (isPackageDeviceAdmin(packageName, removeUser)) { 15832 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15833 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15834 } 15835 15836 PackageSetting uninstalledPs = null; 15837 15838 // for the uninstall-updates case and restricted profiles, remember the per- 15839 // user handle installed state 15840 int[] allUsers; 15841 synchronized (mPackages) { 15842 uninstalledPs = mSettings.mPackages.get(packageName); 15843 if (uninstalledPs == null) { 15844 Slog.w(TAG, "Not removing non-existent package " + packageName); 15845 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15846 } 15847 allUsers = sUserManager.getUserIds(); 15848 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15849 } 15850 15851 final int freezeUser; 15852 if (isUpdatedSystemApp(uninstalledPs) 15853 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15854 // We're downgrading a system app, which will apply to all users, so 15855 // freeze them all during the downgrade 15856 freezeUser = UserHandle.USER_ALL; 15857 } else { 15858 freezeUser = removeUser; 15859 } 15860 15861 synchronized (mInstallLock) { 15862 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15863 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15864 deleteFlags, "deletePackageX")) { 15865 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15866 deleteFlags | REMOVE_CHATTY, info, true, null); 15867 } 15868 synchronized (mPackages) { 15869 if (res) { 15870 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15871 } 15872 } 15873 } 15874 15875 if (res) { 15876 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15877 info.sendPackageRemovedBroadcasts(killApp); 15878 info.sendSystemPackageUpdatedBroadcasts(); 15879 info.sendSystemPackageAppearedBroadcasts(); 15880 } 15881 // Force a gc here. 15882 Runtime.getRuntime().gc(); 15883 // Delete the resources here after sending the broadcast to let 15884 // other processes clean up before deleting resources. 15885 if (info.args != null) { 15886 synchronized (mInstallLock) { 15887 info.args.doPostDeleteLI(true); 15888 } 15889 } 15890 15891 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15892 } 15893 15894 class PackageRemovedInfo { 15895 String removedPackage; 15896 int uid = -1; 15897 int removedAppId = -1; 15898 int[] origUsers; 15899 int[] removedUsers = null; 15900 boolean isRemovedPackageSystemUpdate = false; 15901 boolean isUpdate; 15902 boolean dataRemoved; 15903 boolean removedForAllUsers; 15904 // Clean up resources deleted packages. 15905 InstallArgs args = null; 15906 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15907 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15908 15909 void sendPackageRemovedBroadcasts(boolean killApp) { 15910 sendPackageRemovedBroadcastInternal(killApp); 15911 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15912 for (int i = 0; i < childCount; i++) { 15913 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15914 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15915 } 15916 } 15917 15918 void sendSystemPackageUpdatedBroadcasts() { 15919 if (isRemovedPackageSystemUpdate) { 15920 sendSystemPackageUpdatedBroadcastsInternal(); 15921 final int childCount = (removedChildPackages != null) 15922 ? removedChildPackages.size() : 0; 15923 for (int i = 0; i < childCount; i++) { 15924 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15925 if (childInfo.isRemovedPackageSystemUpdate) { 15926 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15927 } 15928 } 15929 } 15930 } 15931 15932 void sendSystemPackageAppearedBroadcasts() { 15933 final int packageCount = (appearedChildPackages != null) 15934 ? appearedChildPackages.size() : 0; 15935 for (int i = 0; i < packageCount; i++) { 15936 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15937 for (int userId : installedInfo.newUsers) { 15938 sendPackageAddedForUser(installedInfo.name, true, 15939 UserHandle.getAppId(installedInfo.uid), userId); 15940 } 15941 } 15942 } 15943 15944 private void sendSystemPackageUpdatedBroadcastsInternal() { 15945 Bundle extras = new Bundle(2); 15946 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15947 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15948 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15949 extras, 0, null, null, null); 15950 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15951 extras, 0, null, null, null); 15952 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15953 null, 0, removedPackage, null, null); 15954 } 15955 15956 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15957 Bundle extras = new Bundle(2); 15958 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15959 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15960 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15961 if (isUpdate || isRemovedPackageSystemUpdate) { 15962 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15963 } 15964 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15965 if (removedPackage != null) { 15966 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15967 extras, 0, null, null, removedUsers); 15968 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15969 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15970 removedPackage, extras, 0, null, null, removedUsers); 15971 } 15972 } 15973 if (removedAppId >= 0) { 15974 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15975 removedUsers); 15976 } 15977 } 15978 } 15979 15980 /* 15981 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15982 * flag is not set, the data directory is removed as well. 15983 * make sure this flag is set for partially installed apps. If not its meaningless to 15984 * delete a partially installed application. 15985 */ 15986 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15987 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15988 String packageName = ps.name; 15989 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15990 // Retrieve object to delete permissions for shared user later on 15991 final PackageParser.Package deletedPkg; 15992 final PackageSetting deletedPs; 15993 // reader 15994 synchronized (mPackages) { 15995 deletedPkg = mPackages.get(packageName); 15996 deletedPs = mSettings.mPackages.get(packageName); 15997 if (outInfo != null) { 15998 outInfo.removedPackage = packageName; 15999 outInfo.removedUsers = deletedPs != null 16000 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 16001 : null; 16002 } 16003 } 16004 16005 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 16006 16007 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 16008 final PackageParser.Package resolvedPkg; 16009 if (deletedPkg != null) { 16010 resolvedPkg = deletedPkg; 16011 } else { 16012 // We don't have a parsed package when it lives on an ejected 16013 // adopted storage device, so fake something together 16014 resolvedPkg = new PackageParser.Package(ps.name); 16015 resolvedPkg.setVolumeUuid(ps.volumeUuid); 16016 } 16017 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 16018 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16019 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 16020 if (outInfo != null) { 16021 outInfo.dataRemoved = true; 16022 } 16023 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 16024 } 16025 16026 // writer 16027 synchronized (mPackages) { 16028 if (deletedPs != null) { 16029 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 16030 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 16031 clearDefaultBrowserIfNeeded(packageName); 16032 if (outInfo != null) { 16033 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 16034 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 16035 } 16036 updatePermissionsLPw(deletedPs.name, null, 0); 16037 if (deletedPs.sharedUser != null) { 16038 // Remove permissions associated with package. Since runtime 16039 // permissions are per user we have to kill the removed package 16040 // or packages running under the shared user of the removed 16041 // package if revoking the permissions requested only by the removed 16042 // package is successful and this causes a change in gids. 16043 for (int userId : UserManagerService.getInstance().getUserIds()) { 16044 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 16045 userId); 16046 if (userIdToKill == UserHandle.USER_ALL 16047 || userIdToKill >= UserHandle.USER_SYSTEM) { 16048 // If gids changed for this user, kill all affected packages. 16049 mHandler.post(new Runnable() { 16050 @Override 16051 public void run() { 16052 // This has to happen with no lock held. 16053 killApplication(deletedPs.name, deletedPs.appId, 16054 KILL_APP_REASON_GIDS_CHANGED); 16055 } 16056 }); 16057 break; 16058 } 16059 } 16060 } 16061 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 16062 } 16063 // make sure to preserve per-user disabled state if this removal was just 16064 // a downgrade of a system app to the factory package 16065 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 16066 if (DEBUG_REMOVE) { 16067 Slog.d(TAG, "Propagating install state across downgrade"); 16068 } 16069 for (int userId : allUserHandles) { 16070 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16071 if (DEBUG_REMOVE) { 16072 Slog.d(TAG, " user " + userId + " => " + installed); 16073 } 16074 ps.setInstalled(installed, userId); 16075 } 16076 } 16077 } 16078 // can downgrade to reader 16079 if (writeSettings) { 16080 // Save settings now 16081 mSettings.writeLPr(); 16082 } 16083 } 16084 if (outInfo != null) { 16085 // A user ID was deleted here. Go through all users and remove it 16086 // from KeyStore. 16087 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 16088 } 16089 } 16090 16091 static boolean locationIsPrivileged(File path) { 16092 try { 16093 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 16094 .getCanonicalPath(); 16095 return path.getCanonicalPath().startsWith(privilegedAppDir); 16096 } catch (IOException e) { 16097 Slog.e(TAG, "Unable to access code path " + path); 16098 } 16099 return false; 16100 } 16101 16102 /* 16103 * Tries to delete system package. 16104 */ 16105 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 16106 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 16107 boolean writeSettings) { 16108 if (deletedPs.parentPackageName != null) { 16109 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 16110 return false; 16111 } 16112 16113 final boolean applyUserRestrictions 16114 = (allUserHandles != null) && (outInfo.origUsers != null); 16115 final PackageSetting disabledPs; 16116 // Confirm if the system package has been updated 16117 // An updated system app can be deleted. This will also have to restore 16118 // the system pkg from system partition 16119 // reader 16120 synchronized (mPackages) { 16121 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 16122 } 16123 16124 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 16125 + " disabledPs=" + disabledPs); 16126 16127 if (disabledPs == null) { 16128 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 16129 return false; 16130 } else if (DEBUG_REMOVE) { 16131 Slog.d(TAG, "Deleting system pkg from data partition"); 16132 } 16133 16134 if (DEBUG_REMOVE) { 16135 if (applyUserRestrictions) { 16136 Slog.d(TAG, "Remembering install states:"); 16137 for (int userId : allUserHandles) { 16138 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 16139 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 16140 } 16141 } 16142 } 16143 16144 // Delete the updated package 16145 outInfo.isRemovedPackageSystemUpdate = true; 16146 if (outInfo.removedChildPackages != null) { 16147 final int childCount = (deletedPs.childPackageNames != null) 16148 ? deletedPs.childPackageNames.size() : 0; 16149 for (int i = 0; i < childCount; i++) { 16150 String childPackageName = deletedPs.childPackageNames.get(i); 16151 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 16152 .contains(childPackageName)) { 16153 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16154 childPackageName); 16155 if (childInfo != null) { 16156 childInfo.isRemovedPackageSystemUpdate = true; 16157 } 16158 } 16159 } 16160 } 16161 16162 if (disabledPs.versionCode < deletedPs.versionCode) { 16163 // Delete data for downgrades 16164 flags &= ~PackageManager.DELETE_KEEP_DATA; 16165 } else { 16166 // Preserve data by setting flag 16167 flags |= PackageManager.DELETE_KEEP_DATA; 16168 } 16169 16170 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 16171 outInfo, writeSettings, disabledPs.pkg); 16172 if (!ret) { 16173 return false; 16174 } 16175 16176 // writer 16177 synchronized (mPackages) { 16178 // Reinstate the old system package 16179 enableSystemPackageLPw(disabledPs.pkg); 16180 // Remove any native libraries from the upgraded package. 16181 removeNativeBinariesLI(deletedPs); 16182 } 16183 16184 // Install the system package 16185 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 16186 int parseFlags = mDefParseFlags 16187 | PackageParser.PARSE_MUST_BE_APK 16188 | PackageParser.PARSE_IS_SYSTEM 16189 | PackageParser.PARSE_IS_SYSTEM_DIR; 16190 if (locationIsPrivileged(disabledPs.codePath)) { 16191 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16192 } 16193 16194 final PackageParser.Package newPkg; 16195 try { 16196 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 16197 } catch (PackageManagerException e) { 16198 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16199 + e.getMessage()); 16200 return false; 16201 } 16202 try { 16203 // update shared libraries for the newly re-installed system package 16204 updateSharedLibrariesLPr(newPkg, null); 16205 } catch (PackageManagerException e) { 16206 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16207 } 16208 16209 prepareAppDataAfterInstallLIF(newPkg); 16210 16211 // writer 16212 synchronized (mPackages) { 16213 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16214 16215 // Propagate the permissions state as we do not want to drop on the floor 16216 // runtime permissions. The update permissions method below will take 16217 // care of removing obsolete permissions and grant install permissions. 16218 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16219 updatePermissionsLPw(newPkg.packageName, newPkg, 16220 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16221 16222 if (applyUserRestrictions) { 16223 if (DEBUG_REMOVE) { 16224 Slog.d(TAG, "Propagating install state across reinstall"); 16225 } 16226 for (int userId : allUserHandles) { 16227 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16228 if (DEBUG_REMOVE) { 16229 Slog.d(TAG, " user " + userId + " => " + installed); 16230 } 16231 ps.setInstalled(installed, userId); 16232 16233 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16234 } 16235 // Regardless of writeSettings we need to ensure that this restriction 16236 // state propagation is persisted 16237 mSettings.writeAllUsersPackageRestrictionsLPr(); 16238 } 16239 // can downgrade to reader here 16240 if (writeSettings) { 16241 mSettings.writeLPr(); 16242 } 16243 } 16244 return true; 16245 } 16246 16247 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16248 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16249 PackageRemovedInfo outInfo, boolean writeSettings, 16250 PackageParser.Package replacingPackage) { 16251 synchronized (mPackages) { 16252 if (outInfo != null) { 16253 outInfo.uid = ps.appId; 16254 } 16255 16256 if (outInfo != null && outInfo.removedChildPackages != null) { 16257 final int childCount = (ps.childPackageNames != null) 16258 ? ps.childPackageNames.size() : 0; 16259 for (int i = 0; i < childCount; i++) { 16260 String childPackageName = ps.childPackageNames.get(i); 16261 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16262 if (childPs == null) { 16263 return false; 16264 } 16265 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16266 childPackageName); 16267 if (childInfo != null) { 16268 childInfo.uid = childPs.appId; 16269 } 16270 } 16271 } 16272 } 16273 16274 // Delete package data from internal structures and also remove data if flag is set 16275 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16276 16277 // Delete the child packages data 16278 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16279 for (int i = 0; i < childCount; i++) { 16280 PackageSetting childPs; 16281 synchronized (mPackages) { 16282 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16283 } 16284 if (childPs != null) { 16285 PackageRemovedInfo childOutInfo = (outInfo != null 16286 && outInfo.removedChildPackages != null) 16287 ? outInfo.removedChildPackages.get(childPs.name) : null; 16288 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16289 && (replacingPackage != null 16290 && !replacingPackage.hasChildPackage(childPs.name)) 16291 ? flags & ~DELETE_KEEP_DATA : flags; 16292 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16293 deleteFlags, writeSettings); 16294 } 16295 } 16296 16297 // Delete application code and resources only for parent packages 16298 if (ps.parentPackageName == null) { 16299 if (deleteCodeAndResources && (outInfo != null)) { 16300 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16301 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16302 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16303 } 16304 } 16305 16306 return true; 16307 } 16308 16309 @Override 16310 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16311 int userId) { 16312 mContext.enforceCallingOrSelfPermission( 16313 android.Manifest.permission.DELETE_PACKAGES, null); 16314 synchronized (mPackages) { 16315 PackageSetting ps = mSettings.mPackages.get(packageName); 16316 if (ps == null) { 16317 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16318 return false; 16319 } 16320 if (!ps.getInstalled(userId)) { 16321 // Can't block uninstall for an app that is not installed or enabled. 16322 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16323 return false; 16324 } 16325 ps.setBlockUninstall(blockUninstall, userId); 16326 mSettings.writePackageRestrictionsLPr(userId); 16327 } 16328 return true; 16329 } 16330 16331 @Override 16332 public boolean getBlockUninstallForUser(String packageName, int userId) { 16333 synchronized (mPackages) { 16334 PackageSetting ps = mSettings.mPackages.get(packageName); 16335 if (ps == null) { 16336 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16337 return false; 16338 } 16339 return ps.getBlockUninstall(userId); 16340 } 16341 } 16342 16343 @Override 16344 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16345 int callingUid = Binder.getCallingUid(); 16346 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16347 throw new SecurityException( 16348 "setRequiredForSystemUser can only be run by the system or root"); 16349 } 16350 synchronized (mPackages) { 16351 PackageSetting ps = mSettings.mPackages.get(packageName); 16352 if (ps == null) { 16353 Log.w(TAG, "Package doesn't exist: " + packageName); 16354 return false; 16355 } 16356 if (systemUserApp) { 16357 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16358 } else { 16359 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16360 } 16361 mSettings.writeLPr(); 16362 } 16363 return true; 16364 } 16365 16366 /* 16367 * This method handles package deletion in general 16368 */ 16369 private boolean deletePackageLIF(String packageName, UserHandle user, 16370 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16371 PackageRemovedInfo outInfo, boolean writeSettings, 16372 PackageParser.Package replacingPackage) { 16373 if (packageName == null) { 16374 Slog.w(TAG, "Attempt to delete null packageName."); 16375 return false; 16376 } 16377 16378 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16379 16380 PackageSetting ps; 16381 16382 synchronized (mPackages) { 16383 ps = mSettings.mPackages.get(packageName); 16384 if (ps == null) { 16385 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16386 return false; 16387 } 16388 16389 if (ps.parentPackageName != null && (!isSystemApp(ps) 16390 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16391 if (DEBUG_REMOVE) { 16392 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16393 + ((user == null) ? UserHandle.USER_ALL : user)); 16394 } 16395 final int removedUserId = (user != null) ? user.getIdentifier() 16396 : UserHandle.USER_ALL; 16397 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16398 return false; 16399 } 16400 markPackageUninstalledForUserLPw(ps, user); 16401 scheduleWritePackageRestrictionsLocked(user); 16402 return true; 16403 } 16404 } 16405 16406 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16407 && user.getIdentifier() != UserHandle.USER_ALL)) { 16408 // The caller is asking that the package only be deleted for a single 16409 // user. To do this, we just mark its uninstalled state and delete 16410 // its data. If this is a system app, we only allow this to happen if 16411 // they have set the special DELETE_SYSTEM_APP which requests different 16412 // semantics than normal for uninstalling system apps. 16413 markPackageUninstalledForUserLPw(ps, user); 16414 16415 if (!isSystemApp(ps)) { 16416 // Do not uninstall the APK if an app should be cached 16417 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16418 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16419 // Other user still have this package installed, so all 16420 // we need to do is clear this user's data and save that 16421 // it is uninstalled. 16422 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16423 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16424 return false; 16425 } 16426 scheduleWritePackageRestrictionsLocked(user); 16427 return true; 16428 } else { 16429 // We need to set it back to 'installed' so the uninstall 16430 // broadcasts will be sent correctly. 16431 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16432 ps.setInstalled(true, user.getIdentifier()); 16433 } 16434 } else { 16435 // This is a system app, so we assume that the 16436 // other users still have this package installed, so all 16437 // we need to do is clear this user's data and save that 16438 // it is uninstalled. 16439 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16440 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16441 return false; 16442 } 16443 scheduleWritePackageRestrictionsLocked(user); 16444 return true; 16445 } 16446 } 16447 16448 // If we are deleting a composite package for all users, keep track 16449 // of result for each child. 16450 if (ps.childPackageNames != null && outInfo != null) { 16451 synchronized (mPackages) { 16452 final int childCount = ps.childPackageNames.size(); 16453 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16454 for (int i = 0; i < childCount; i++) { 16455 String childPackageName = ps.childPackageNames.get(i); 16456 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16457 childInfo.removedPackage = childPackageName; 16458 outInfo.removedChildPackages.put(childPackageName, childInfo); 16459 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 16460 if (childPs != null) { 16461 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16462 } 16463 } 16464 } 16465 } 16466 16467 boolean ret = false; 16468 if (isSystemApp(ps)) { 16469 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16470 // When an updated system application is deleted we delete the existing resources 16471 // as well and fall back to existing code in system partition 16472 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16473 } else { 16474 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16475 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16476 outInfo, writeSettings, replacingPackage); 16477 } 16478 16479 // Take a note whether we deleted the package for all users 16480 if (outInfo != null) { 16481 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16482 if (outInfo.removedChildPackages != null) { 16483 synchronized (mPackages) { 16484 final int childCount = outInfo.removedChildPackages.size(); 16485 for (int i = 0; i < childCount; i++) { 16486 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16487 if (childInfo != null) { 16488 childInfo.removedForAllUsers = mPackages.get( 16489 childInfo.removedPackage) == null; 16490 } 16491 } 16492 } 16493 } 16494 // If we uninstalled an update to a system app there may be some 16495 // child packages that appeared as they are declared in the system 16496 // app but were not declared in the update. 16497 if (isSystemApp(ps)) { 16498 synchronized (mPackages) { 16499 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 16500 final int childCount = (updatedPs.childPackageNames != null) 16501 ? updatedPs.childPackageNames.size() : 0; 16502 for (int i = 0; i < childCount; i++) { 16503 String childPackageName = updatedPs.childPackageNames.get(i); 16504 if (outInfo.removedChildPackages == null 16505 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16506 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 16507 if (childPs == null) { 16508 continue; 16509 } 16510 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16511 installRes.name = childPackageName; 16512 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16513 installRes.pkg = mPackages.get(childPackageName); 16514 installRes.uid = childPs.pkg.applicationInfo.uid; 16515 if (outInfo.appearedChildPackages == null) { 16516 outInfo.appearedChildPackages = new ArrayMap<>(); 16517 } 16518 outInfo.appearedChildPackages.put(childPackageName, installRes); 16519 } 16520 } 16521 } 16522 } 16523 } 16524 16525 return ret; 16526 } 16527 16528 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16529 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16530 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16531 for (int nextUserId : userIds) { 16532 if (DEBUG_REMOVE) { 16533 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16534 } 16535 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16536 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16537 false /*hidden*/, false /*suspended*/, null, null, null, 16538 false /*blockUninstall*/, 16539 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16540 } 16541 } 16542 16543 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16544 PackageRemovedInfo outInfo) { 16545 final PackageParser.Package pkg; 16546 synchronized (mPackages) { 16547 pkg = mPackages.get(ps.name); 16548 } 16549 16550 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16551 : new int[] {userId}; 16552 for (int nextUserId : userIds) { 16553 if (DEBUG_REMOVE) { 16554 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16555 + nextUserId); 16556 } 16557 16558 destroyAppDataLIF(pkg, userId, 16559 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16560 destroyAppProfilesLIF(pkg, userId); 16561 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16562 schedulePackageCleaning(ps.name, nextUserId, false); 16563 synchronized (mPackages) { 16564 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16565 scheduleWritePackageRestrictionsLocked(nextUserId); 16566 } 16567 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16568 } 16569 } 16570 16571 if (outInfo != null) { 16572 outInfo.removedPackage = ps.name; 16573 outInfo.removedAppId = ps.appId; 16574 outInfo.removedUsers = userIds; 16575 } 16576 16577 return true; 16578 } 16579 16580 private final class ClearStorageConnection implements ServiceConnection { 16581 IMediaContainerService mContainerService; 16582 16583 @Override 16584 public void onServiceConnected(ComponentName name, IBinder service) { 16585 synchronized (this) { 16586 mContainerService = IMediaContainerService.Stub.asInterface(service); 16587 notifyAll(); 16588 } 16589 } 16590 16591 @Override 16592 public void onServiceDisconnected(ComponentName name) { 16593 } 16594 } 16595 16596 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16597 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16598 16599 final boolean mounted; 16600 if (Environment.isExternalStorageEmulated()) { 16601 mounted = true; 16602 } else { 16603 final String status = Environment.getExternalStorageState(); 16604 16605 mounted = status.equals(Environment.MEDIA_MOUNTED) 16606 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16607 } 16608 16609 if (!mounted) { 16610 return; 16611 } 16612 16613 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16614 int[] users; 16615 if (userId == UserHandle.USER_ALL) { 16616 users = sUserManager.getUserIds(); 16617 } else { 16618 users = new int[] { userId }; 16619 } 16620 final ClearStorageConnection conn = new ClearStorageConnection(); 16621 if (mContext.bindServiceAsUser( 16622 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16623 try { 16624 for (int curUser : users) { 16625 long timeout = SystemClock.uptimeMillis() + 5000; 16626 synchronized (conn) { 16627 long now; 16628 while (conn.mContainerService == null && 16629 (now = SystemClock.uptimeMillis()) < timeout) { 16630 try { 16631 conn.wait(timeout - now); 16632 } catch (InterruptedException e) { 16633 } 16634 } 16635 } 16636 if (conn.mContainerService == null) { 16637 return; 16638 } 16639 16640 final UserEnvironment userEnv = new UserEnvironment(curUser); 16641 clearDirectory(conn.mContainerService, 16642 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16643 if (allData) { 16644 clearDirectory(conn.mContainerService, 16645 userEnv.buildExternalStorageAppDataDirs(packageName)); 16646 clearDirectory(conn.mContainerService, 16647 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16648 } 16649 } 16650 } finally { 16651 mContext.unbindService(conn); 16652 } 16653 } 16654 } 16655 16656 @Override 16657 public void clearApplicationProfileData(String packageName) { 16658 enforceSystemOrRoot("Only the system can clear all profile data"); 16659 16660 final PackageParser.Package pkg; 16661 synchronized (mPackages) { 16662 pkg = mPackages.get(packageName); 16663 } 16664 16665 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16666 synchronized (mInstallLock) { 16667 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16668 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16669 true /* removeBaseMarker */); 16670 } 16671 } 16672 } 16673 16674 @Override 16675 public void clearApplicationUserData(final String packageName, 16676 final IPackageDataObserver observer, final int userId) { 16677 mContext.enforceCallingOrSelfPermission( 16678 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16679 16680 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16681 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16682 16683 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16684 throw new SecurityException("Cannot clear data for a protected package: " 16685 + packageName); 16686 } 16687 // Queue up an async operation since the package deletion may take a little while. 16688 mHandler.post(new Runnable() { 16689 public void run() { 16690 mHandler.removeCallbacks(this); 16691 final boolean succeeded; 16692 try (PackageFreezer freezer = freezePackage(packageName, 16693 "clearApplicationUserData")) { 16694 synchronized (mInstallLock) { 16695 succeeded = clearApplicationUserDataLIF(packageName, userId); 16696 } 16697 clearExternalStorageDataSync(packageName, userId, true); 16698 } 16699 if (succeeded) { 16700 // invoke DeviceStorageMonitor's update method to clear any notifications 16701 DeviceStorageMonitorInternal dsm = LocalServices 16702 .getService(DeviceStorageMonitorInternal.class); 16703 if (dsm != null) { 16704 dsm.checkMemory(); 16705 } 16706 } 16707 if(observer != null) { 16708 try { 16709 observer.onRemoveCompleted(packageName, succeeded); 16710 } catch (RemoteException e) { 16711 Log.i(TAG, "Observer no longer exists."); 16712 } 16713 } //end if observer 16714 } //end run 16715 }); 16716 } 16717 16718 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16719 if (packageName == null) { 16720 Slog.w(TAG, "Attempt to delete null packageName."); 16721 return false; 16722 } 16723 16724 // Try finding details about the requested package 16725 PackageParser.Package pkg; 16726 synchronized (mPackages) { 16727 pkg = mPackages.get(packageName); 16728 if (pkg == null) { 16729 final PackageSetting ps = mSettings.mPackages.get(packageName); 16730 if (ps != null) { 16731 pkg = ps.pkg; 16732 } 16733 } 16734 16735 if (pkg == null) { 16736 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16737 return false; 16738 } 16739 16740 PackageSetting ps = (PackageSetting) pkg.mExtras; 16741 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16742 } 16743 16744 clearAppDataLIF(pkg, userId, 16745 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16746 16747 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16748 removeKeystoreDataIfNeeded(userId, appId); 16749 16750 UserManagerInternal umInternal = getUserManagerInternal(); 16751 final int flags; 16752 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16753 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16754 } else if (umInternal.isUserRunning(userId)) { 16755 flags = StorageManager.FLAG_STORAGE_DE; 16756 } else { 16757 flags = 0; 16758 } 16759 prepareAppDataContentsLIF(pkg, userId, flags); 16760 16761 return true; 16762 } 16763 16764 /** 16765 * Reverts user permission state changes (permissions and flags) in 16766 * all packages for a given user. 16767 * 16768 * @param userId The device user for which to do a reset. 16769 */ 16770 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16771 final int packageCount = mPackages.size(); 16772 for (int i = 0; i < packageCount; i++) { 16773 PackageParser.Package pkg = mPackages.valueAt(i); 16774 PackageSetting ps = (PackageSetting) pkg.mExtras; 16775 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16776 } 16777 } 16778 16779 private void resetNetworkPolicies(int userId) { 16780 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16781 } 16782 16783 /** 16784 * Reverts user permission state changes (permissions and flags). 16785 * 16786 * @param ps The package for which to reset. 16787 * @param userId The device user for which to do a reset. 16788 */ 16789 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16790 final PackageSetting ps, final int userId) { 16791 if (ps.pkg == null) { 16792 return; 16793 } 16794 16795 // These are flags that can change base on user actions. 16796 final int userSettableMask = FLAG_PERMISSION_USER_SET 16797 | FLAG_PERMISSION_USER_FIXED 16798 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16799 | FLAG_PERMISSION_REVIEW_REQUIRED; 16800 16801 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16802 | FLAG_PERMISSION_POLICY_FIXED; 16803 16804 boolean writeInstallPermissions = false; 16805 boolean writeRuntimePermissions = false; 16806 16807 final int permissionCount = ps.pkg.requestedPermissions.size(); 16808 for (int i = 0; i < permissionCount; i++) { 16809 String permission = ps.pkg.requestedPermissions.get(i); 16810 16811 BasePermission bp = mSettings.mPermissions.get(permission); 16812 if (bp == null) { 16813 continue; 16814 } 16815 16816 // If shared user we just reset the state to which only this app contributed. 16817 if (ps.sharedUser != null) { 16818 boolean used = false; 16819 final int packageCount = ps.sharedUser.packages.size(); 16820 for (int j = 0; j < packageCount; j++) { 16821 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16822 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16823 && pkg.pkg.requestedPermissions.contains(permission)) { 16824 used = true; 16825 break; 16826 } 16827 } 16828 if (used) { 16829 continue; 16830 } 16831 } 16832 16833 PermissionsState permissionsState = ps.getPermissionsState(); 16834 16835 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16836 16837 // Always clear the user settable flags. 16838 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16839 bp.name) != null; 16840 // If permission review is enabled and this is a legacy app, mark the 16841 // permission as requiring a review as this is the initial state. 16842 int flags = 0; 16843 if (mPermissionReviewRequired 16844 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16845 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16846 } 16847 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16848 if (hasInstallState) { 16849 writeInstallPermissions = true; 16850 } else { 16851 writeRuntimePermissions = true; 16852 } 16853 } 16854 16855 // Below is only runtime permission handling. 16856 if (!bp.isRuntime()) { 16857 continue; 16858 } 16859 16860 // Never clobber system or policy. 16861 if ((oldFlags & policyOrSystemFlags) != 0) { 16862 continue; 16863 } 16864 16865 // If this permission was granted by default, make sure it is. 16866 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16867 if (permissionsState.grantRuntimePermission(bp, userId) 16868 != PERMISSION_OPERATION_FAILURE) { 16869 writeRuntimePermissions = true; 16870 } 16871 // If permission review is enabled the permissions for a legacy apps 16872 // are represented as constantly granted runtime ones, so don't revoke. 16873 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16874 // Otherwise, reset the permission. 16875 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16876 switch (revokeResult) { 16877 case PERMISSION_OPERATION_SUCCESS: 16878 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16879 writeRuntimePermissions = true; 16880 final int appId = ps.appId; 16881 mHandler.post(new Runnable() { 16882 @Override 16883 public void run() { 16884 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16885 } 16886 }); 16887 } break; 16888 } 16889 } 16890 } 16891 16892 // Synchronously write as we are taking permissions away. 16893 if (writeRuntimePermissions) { 16894 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16895 } 16896 16897 // Synchronously write as we are taking permissions away. 16898 if (writeInstallPermissions) { 16899 mSettings.writeLPr(); 16900 } 16901 } 16902 16903 /** 16904 * Remove entries from the keystore daemon. Will only remove it if the 16905 * {@code appId} is valid. 16906 */ 16907 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16908 if (appId < 0) { 16909 return; 16910 } 16911 16912 final KeyStore keyStore = KeyStore.getInstance(); 16913 if (keyStore != null) { 16914 if (userId == UserHandle.USER_ALL) { 16915 for (final int individual : sUserManager.getUserIds()) { 16916 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16917 } 16918 } else { 16919 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16920 } 16921 } else { 16922 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16923 } 16924 } 16925 16926 @Override 16927 public void deleteApplicationCacheFiles(final String packageName, 16928 final IPackageDataObserver observer) { 16929 final int userId = UserHandle.getCallingUserId(); 16930 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16931 } 16932 16933 @Override 16934 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16935 final IPackageDataObserver observer) { 16936 mContext.enforceCallingOrSelfPermission( 16937 android.Manifest.permission.DELETE_CACHE_FILES, null); 16938 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16939 /* requireFullPermission= */ true, /* checkShell= */ false, 16940 "delete application cache files"); 16941 16942 final PackageParser.Package pkg; 16943 synchronized (mPackages) { 16944 pkg = mPackages.get(packageName); 16945 } 16946 16947 // Queue up an async operation since the package deletion may take a little while. 16948 mHandler.post(new Runnable() { 16949 public void run() { 16950 synchronized (mInstallLock) { 16951 final int flags = StorageManager.FLAG_STORAGE_DE 16952 | StorageManager.FLAG_STORAGE_CE; 16953 // We're only clearing cache files, so we don't care if the 16954 // app is unfrozen and still able to run 16955 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16956 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16957 } 16958 clearExternalStorageDataSync(packageName, userId, false); 16959 if (observer != null) { 16960 try { 16961 observer.onRemoveCompleted(packageName, true); 16962 } catch (RemoteException e) { 16963 Log.i(TAG, "Observer no longer exists."); 16964 } 16965 } 16966 } 16967 }); 16968 } 16969 16970 @Override 16971 public void getPackageSizeInfo(final String packageName, int userHandle, 16972 final IPackageStatsObserver observer) { 16973 mContext.enforceCallingOrSelfPermission( 16974 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16975 if (packageName == null) { 16976 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16977 } 16978 16979 PackageStats stats = new PackageStats(packageName, userHandle); 16980 16981 /* 16982 * Queue up an async operation since the package measurement may take a 16983 * little while. 16984 */ 16985 Message msg = mHandler.obtainMessage(INIT_COPY); 16986 msg.obj = new MeasureParams(stats, observer); 16987 mHandler.sendMessage(msg); 16988 } 16989 16990 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16991 final PackageSetting ps; 16992 synchronized (mPackages) { 16993 ps = mSettings.mPackages.get(packageName); 16994 if (ps == null) { 16995 Slog.w(TAG, "Failed to find settings for " + packageName); 16996 return false; 16997 } 16998 } 16999 try { 17000 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 17001 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 17002 ps.getCeDataInode(userId), ps.codePathString, stats); 17003 } catch (InstallerException e) { 17004 Slog.w(TAG, String.valueOf(e)); 17005 return false; 17006 } 17007 17008 // For now, ignore code size of packages on system partition 17009 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 17010 stats.codeSize = 0; 17011 } 17012 17013 return true; 17014 } 17015 17016 private int getUidTargetSdkVersionLockedLPr(int uid) { 17017 Object obj = mSettings.getUserIdLPr(uid); 17018 if (obj instanceof SharedUserSetting) { 17019 final SharedUserSetting sus = (SharedUserSetting) obj; 17020 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 17021 final Iterator<PackageSetting> it = sus.packages.iterator(); 17022 while (it.hasNext()) { 17023 final PackageSetting ps = it.next(); 17024 if (ps.pkg != null) { 17025 int v = ps.pkg.applicationInfo.targetSdkVersion; 17026 if (v < vers) vers = v; 17027 } 17028 } 17029 return vers; 17030 } else if (obj instanceof PackageSetting) { 17031 final PackageSetting ps = (PackageSetting) obj; 17032 if (ps.pkg != null) { 17033 return ps.pkg.applicationInfo.targetSdkVersion; 17034 } 17035 } 17036 return Build.VERSION_CODES.CUR_DEVELOPMENT; 17037 } 17038 17039 @Override 17040 public void addPreferredActivity(IntentFilter filter, int match, 17041 ComponentName[] set, ComponentName activity, int userId) { 17042 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17043 "Adding preferred"); 17044 } 17045 17046 private void addPreferredActivityInternal(IntentFilter filter, int match, 17047 ComponentName[] set, ComponentName activity, boolean always, int userId, 17048 String opname) { 17049 // writer 17050 int callingUid = Binder.getCallingUid(); 17051 enforceCrossUserPermission(callingUid, userId, 17052 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 17053 if (filter.countActions() == 0) { 17054 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17055 return; 17056 } 17057 synchronized (mPackages) { 17058 if (mContext.checkCallingOrSelfPermission( 17059 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17060 != PackageManager.PERMISSION_GRANTED) { 17061 if (getUidTargetSdkVersionLockedLPr(callingUid) 17062 < Build.VERSION_CODES.FROYO) { 17063 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 17064 + callingUid); 17065 return; 17066 } 17067 mContext.enforceCallingOrSelfPermission( 17068 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17069 } 17070 17071 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 17072 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 17073 + userId + ":"); 17074 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17075 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 17076 scheduleWritePackageRestrictionsLocked(userId); 17077 postPreferredActivityChangedBroadcast(userId); 17078 } 17079 } 17080 17081 private void postPreferredActivityChangedBroadcast(int userId) { 17082 mHandler.post(() -> { 17083 final IActivityManager am = ActivityManagerNative.getDefault(); 17084 if (am == null) { 17085 return; 17086 } 17087 17088 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 17089 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 17090 try { 17091 am.broadcastIntent(null, intent, null, null, 17092 0, null, null, null, android.app.AppOpsManager.OP_NONE, 17093 null, false, false, userId); 17094 } catch (RemoteException e) { 17095 } 17096 }); 17097 } 17098 17099 @Override 17100 public void replacePreferredActivity(IntentFilter filter, int match, 17101 ComponentName[] set, ComponentName activity, int userId) { 17102 if (filter.countActions() != 1) { 17103 throw new IllegalArgumentException( 17104 "replacePreferredActivity expects filter to have only 1 action."); 17105 } 17106 if (filter.countDataAuthorities() != 0 17107 || filter.countDataPaths() != 0 17108 || filter.countDataSchemes() > 1 17109 || filter.countDataTypes() != 0) { 17110 throw new IllegalArgumentException( 17111 "replacePreferredActivity expects filter to have no data authorities, " + 17112 "paths, or types; and at most one scheme."); 17113 } 17114 17115 final int callingUid = Binder.getCallingUid(); 17116 enforceCrossUserPermission(callingUid, userId, 17117 true /* requireFullPermission */, false /* checkShell */, 17118 "replace preferred activity"); 17119 synchronized (mPackages) { 17120 if (mContext.checkCallingOrSelfPermission( 17121 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17122 != PackageManager.PERMISSION_GRANTED) { 17123 if (getUidTargetSdkVersionLockedLPr(callingUid) 17124 < Build.VERSION_CODES.FROYO) { 17125 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 17126 + Binder.getCallingUid()); 17127 return; 17128 } 17129 mContext.enforceCallingOrSelfPermission( 17130 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17131 } 17132 17133 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17134 if (pir != null) { 17135 // Get all of the existing entries that exactly match this filter. 17136 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 17137 if (existing != null && existing.size() == 1) { 17138 PreferredActivity cur = existing.get(0); 17139 if (DEBUG_PREFERRED) { 17140 Slog.i(TAG, "Checking replace of preferred:"); 17141 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17142 if (!cur.mPref.mAlways) { 17143 Slog.i(TAG, " -- CUR; not mAlways!"); 17144 } else { 17145 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 17146 Slog.i(TAG, " -- CUR: mSet=" 17147 + Arrays.toString(cur.mPref.mSetComponents)); 17148 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 17149 Slog.i(TAG, " -- NEW: mMatch=" 17150 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 17151 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 17152 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 17153 } 17154 } 17155 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 17156 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 17157 && cur.mPref.sameSet(set)) { 17158 // Setting the preferred activity to what it happens to be already 17159 if (DEBUG_PREFERRED) { 17160 Slog.i(TAG, "Replacing with same preferred activity " 17161 + cur.mPref.mShortComponent + " for user " 17162 + userId + ":"); 17163 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17164 } 17165 return; 17166 } 17167 } 17168 17169 if (existing != null) { 17170 if (DEBUG_PREFERRED) { 17171 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 17172 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17173 } 17174 for (int i = 0; i < existing.size(); i++) { 17175 PreferredActivity pa = existing.get(i); 17176 if (DEBUG_PREFERRED) { 17177 Slog.i(TAG, "Removing existing preferred activity " 17178 + pa.mPref.mComponent + ":"); 17179 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 17180 } 17181 pir.removeFilter(pa); 17182 } 17183 } 17184 } 17185 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17186 "Replacing preferred"); 17187 } 17188 } 17189 17190 @Override 17191 public void clearPackagePreferredActivities(String packageName) { 17192 final int uid = Binder.getCallingUid(); 17193 // writer 17194 synchronized (mPackages) { 17195 PackageParser.Package pkg = mPackages.get(packageName); 17196 if (pkg == null || pkg.applicationInfo.uid != uid) { 17197 if (mContext.checkCallingOrSelfPermission( 17198 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17199 != PackageManager.PERMISSION_GRANTED) { 17200 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 17201 < Build.VERSION_CODES.FROYO) { 17202 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 17203 + Binder.getCallingUid()); 17204 return; 17205 } 17206 mContext.enforceCallingOrSelfPermission( 17207 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17208 } 17209 } 17210 17211 int user = UserHandle.getCallingUserId(); 17212 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 17213 scheduleWritePackageRestrictionsLocked(user); 17214 } 17215 } 17216 } 17217 17218 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17219 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17220 ArrayList<PreferredActivity> removed = null; 17221 boolean changed = false; 17222 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17223 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17224 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17225 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17226 continue; 17227 } 17228 Iterator<PreferredActivity> it = pir.filterIterator(); 17229 while (it.hasNext()) { 17230 PreferredActivity pa = it.next(); 17231 // Mark entry for removal only if it matches the package name 17232 // and the entry is of type "always". 17233 if (packageName == null || 17234 (pa.mPref.mComponent.getPackageName().equals(packageName) 17235 && pa.mPref.mAlways)) { 17236 if (removed == null) { 17237 removed = new ArrayList<PreferredActivity>(); 17238 } 17239 removed.add(pa); 17240 } 17241 } 17242 if (removed != null) { 17243 for (int j=0; j<removed.size(); j++) { 17244 PreferredActivity pa = removed.get(j); 17245 pir.removeFilter(pa); 17246 } 17247 changed = true; 17248 } 17249 } 17250 if (changed) { 17251 postPreferredActivityChangedBroadcast(userId); 17252 } 17253 return changed; 17254 } 17255 17256 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17257 private void clearIntentFilterVerificationsLPw(int userId) { 17258 final int packageCount = mPackages.size(); 17259 for (int i = 0; i < packageCount; i++) { 17260 PackageParser.Package pkg = mPackages.valueAt(i); 17261 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17262 } 17263 } 17264 17265 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17266 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17267 if (userId == UserHandle.USER_ALL) { 17268 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17269 sUserManager.getUserIds())) { 17270 for (int oneUserId : sUserManager.getUserIds()) { 17271 scheduleWritePackageRestrictionsLocked(oneUserId); 17272 } 17273 } 17274 } else { 17275 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17276 scheduleWritePackageRestrictionsLocked(userId); 17277 } 17278 } 17279 } 17280 17281 void clearDefaultBrowserIfNeeded(String packageName) { 17282 for (int oneUserId : sUserManager.getUserIds()) { 17283 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17284 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17285 if (packageName.equals(defaultBrowserPackageName)) { 17286 setDefaultBrowserPackageName(null, oneUserId); 17287 } 17288 } 17289 } 17290 17291 @Override 17292 public void resetApplicationPreferences(int userId) { 17293 mContext.enforceCallingOrSelfPermission( 17294 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17295 final long identity = Binder.clearCallingIdentity(); 17296 // writer 17297 try { 17298 synchronized (mPackages) { 17299 clearPackagePreferredActivitiesLPw(null, userId); 17300 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17301 // TODO: We have to reset the default SMS and Phone. This requires 17302 // significant refactoring to keep all default apps in the package 17303 // manager (cleaner but more work) or have the services provide 17304 // callbacks to the package manager to request a default app reset. 17305 applyFactoryDefaultBrowserLPw(userId); 17306 clearIntentFilterVerificationsLPw(userId); 17307 primeDomainVerificationsLPw(userId); 17308 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17309 scheduleWritePackageRestrictionsLocked(userId); 17310 } 17311 resetNetworkPolicies(userId); 17312 } finally { 17313 Binder.restoreCallingIdentity(identity); 17314 } 17315 } 17316 17317 @Override 17318 public int getPreferredActivities(List<IntentFilter> outFilters, 17319 List<ComponentName> outActivities, String packageName) { 17320 17321 int num = 0; 17322 final int userId = UserHandle.getCallingUserId(); 17323 // reader 17324 synchronized (mPackages) { 17325 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17326 if (pir != null) { 17327 final Iterator<PreferredActivity> it = pir.filterIterator(); 17328 while (it.hasNext()) { 17329 final PreferredActivity pa = it.next(); 17330 if (packageName == null 17331 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17332 && pa.mPref.mAlways)) { 17333 if (outFilters != null) { 17334 outFilters.add(new IntentFilter(pa)); 17335 } 17336 if (outActivities != null) { 17337 outActivities.add(pa.mPref.mComponent); 17338 } 17339 } 17340 } 17341 } 17342 } 17343 17344 return num; 17345 } 17346 17347 @Override 17348 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17349 int userId) { 17350 int callingUid = Binder.getCallingUid(); 17351 if (callingUid != Process.SYSTEM_UID) { 17352 throw new SecurityException( 17353 "addPersistentPreferredActivity can only be run by the system"); 17354 } 17355 if (filter.countActions() == 0) { 17356 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17357 return; 17358 } 17359 synchronized (mPackages) { 17360 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17361 ":"); 17362 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17363 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17364 new PersistentPreferredActivity(filter, activity)); 17365 scheduleWritePackageRestrictionsLocked(userId); 17366 postPreferredActivityChangedBroadcast(userId); 17367 } 17368 } 17369 17370 @Override 17371 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17372 int callingUid = Binder.getCallingUid(); 17373 if (callingUid != Process.SYSTEM_UID) { 17374 throw new SecurityException( 17375 "clearPackagePersistentPreferredActivities can only be run by the system"); 17376 } 17377 ArrayList<PersistentPreferredActivity> removed = null; 17378 boolean changed = false; 17379 synchronized (mPackages) { 17380 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17381 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17382 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17383 .valueAt(i); 17384 if (userId != thisUserId) { 17385 continue; 17386 } 17387 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17388 while (it.hasNext()) { 17389 PersistentPreferredActivity ppa = it.next(); 17390 // Mark entry for removal only if it matches the package name. 17391 if (ppa.mComponent.getPackageName().equals(packageName)) { 17392 if (removed == null) { 17393 removed = new ArrayList<PersistentPreferredActivity>(); 17394 } 17395 removed.add(ppa); 17396 } 17397 } 17398 if (removed != null) { 17399 for (int j=0; j<removed.size(); j++) { 17400 PersistentPreferredActivity ppa = removed.get(j); 17401 ppir.removeFilter(ppa); 17402 } 17403 changed = true; 17404 } 17405 } 17406 17407 if (changed) { 17408 scheduleWritePackageRestrictionsLocked(userId); 17409 postPreferredActivityChangedBroadcast(userId); 17410 } 17411 } 17412 } 17413 17414 /** 17415 * Common machinery for picking apart a restored XML blob and passing 17416 * it to a caller-supplied functor to be applied to the running system. 17417 */ 17418 private void restoreFromXml(XmlPullParser parser, int userId, 17419 String expectedStartTag, BlobXmlRestorer functor) 17420 throws IOException, XmlPullParserException { 17421 int type; 17422 while ((type = parser.next()) != XmlPullParser.START_TAG 17423 && type != XmlPullParser.END_DOCUMENT) { 17424 } 17425 if (type != XmlPullParser.START_TAG) { 17426 // oops didn't find a start tag?! 17427 if (DEBUG_BACKUP) { 17428 Slog.e(TAG, "Didn't find start tag during restore"); 17429 } 17430 return; 17431 } 17432Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17433 // this is supposed to be TAG_PREFERRED_BACKUP 17434 if (!expectedStartTag.equals(parser.getName())) { 17435 if (DEBUG_BACKUP) { 17436 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17437 } 17438 return; 17439 } 17440 17441 // skip interfering stuff, then we're aligned with the backing implementation 17442 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17443Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17444 functor.apply(parser, userId); 17445 } 17446 17447 private interface BlobXmlRestorer { 17448 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17449 } 17450 17451 /** 17452 * Non-Binder method, support for the backup/restore mechanism: write the 17453 * full set of preferred activities in its canonical XML format. Returns the 17454 * XML output as a byte array, or null if there is none. 17455 */ 17456 @Override 17457 public byte[] getPreferredActivityBackup(int userId) { 17458 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17459 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17460 } 17461 17462 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17463 try { 17464 final XmlSerializer serializer = new FastXmlSerializer(); 17465 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17466 serializer.startDocument(null, true); 17467 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17468 17469 synchronized (mPackages) { 17470 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17471 } 17472 17473 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17474 serializer.endDocument(); 17475 serializer.flush(); 17476 } catch (Exception e) { 17477 if (DEBUG_BACKUP) { 17478 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17479 } 17480 return null; 17481 } 17482 17483 return dataStream.toByteArray(); 17484 } 17485 17486 @Override 17487 public void restorePreferredActivities(byte[] backup, int userId) { 17488 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17489 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17490 } 17491 17492 try { 17493 final XmlPullParser parser = Xml.newPullParser(); 17494 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17495 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17496 new BlobXmlRestorer() { 17497 @Override 17498 public void apply(XmlPullParser parser, int userId) 17499 throws XmlPullParserException, IOException { 17500 synchronized (mPackages) { 17501 mSettings.readPreferredActivitiesLPw(parser, userId); 17502 } 17503 } 17504 } ); 17505 } catch (Exception e) { 17506 if (DEBUG_BACKUP) { 17507 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17508 } 17509 } 17510 } 17511 17512 /** 17513 * Non-Binder method, support for the backup/restore mechanism: write the 17514 * default browser (etc) settings in its canonical XML format. Returns the default 17515 * browser XML representation as a byte array, or null if there is none. 17516 */ 17517 @Override 17518 public byte[] getDefaultAppsBackup(int userId) { 17519 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17520 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17521 } 17522 17523 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17524 try { 17525 final XmlSerializer serializer = new FastXmlSerializer(); 17526 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17527 serializer.startDocument(null, true); 17528 serializer.startTag(null, TAG_DEFAULT_APPS); 17529 17530 synchronized (mPackages) { 17531 mSettings.writeDefaultAppsLPr(serializer, userId); 17532 } 17533 17534 serializer.endTag(null, TAG_DEFAULT_APPS); 17535 serializer.endDocument(); 17536 serializer.flush(); 17537 } catch (Exception e) { 17538 if (DEBUG_BACKUP) { 17539 Slog.e(TAG, "Unable to write default apps for backup", e); 17540 } 17541 return null; 17542 } 17543 17544 return dataStream.toByteArray(); 17545 } 17546 17547 @Override 17548 public void restoreDefaultApps(byte[] backup, int userId) { 17549 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17550 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17551 } 17552 17553 try { 17554 final XmlPullParser parser = Xml.newPullParser(); 17555 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17556 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17557 new BlobXmlRestorer() { 17558 @Override 17559 public void apply(XmlPullParser parser, int userId) 17560 throws XmlPullParserException, IOException { 17561 synchronized (mPackages) { 17562 mSettings.readDefaultAppsLPw(parser, userId); 17563 } 17564 } 17565 } ); 17566 } catch (Exception e) { 17567 if (DEBUG_BACKUP) { 17568 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17569 } 17570 } 17571 } 17572 17573 @Override 17574 public byte[] getIntentFilterVerificationBackup(int userId) { 17575 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17576 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17577 } 17578 17579 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17580 try { 17581 final XmlSerializer serializer = new FastXmlSerializer(); 17582 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17583 serializer.startDocument(null, true); 17584 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17585 17586 synchronized (mPackages) { 17587 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17588 } 17589 17590 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17591 serializer.endDocument(); 17592 serializer.flush(); 17593 } catch (Exception e) { 17594 if (DEBUG_BACKUP) { 17595 Slog.e(TAG, "Unable to write default apps for backup", e); 17596 } 17597 return null; 17598 } 17599 17600 return dataStream.toByteArray(); 17601 } 17602 17603 @Override 17604 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17605 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17606 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17607 } 17608 17609 try { 17610 final XmlPullParser parser = Xml.newPullParser(); 17611 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17612 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17613 new BlobXmlRestorer() { 17614 @Override 17615 public void apply(XmlPullParser parser, int userId) 17616 throws XmlPullParserException, IOException { 17617 synchronized (mPackages) { 17618 mSettings.readAllDomainVerificationsLPr(parser, userId); 17619 mSettings.writeLPr(); 17620 } 17621 } 17622 } ); 17623 } catch (Exception e) { 17624 if (DEBUG_BACKUP) { 17625 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17626 } 17627 } 17628 } 17629 17630 @Override 17631 public byte[] getPermissionGrantBackup(int userId) { 17632 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17633 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17634 } 17635 17636 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17637 try { 17638 final XmlSerializer serializer = new FastXmlSerializer(); 17639 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17640 serializer.startDocument(null, true); 17641 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17642 17643 synchronized (mPackages) { 17644 serializeRuntimePermissionGrantsLPr(serializer, userId); 17645 } 17646 17647 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17648 serializer.endDocument(); 17649 serializer.flush(); 17650 } catch (Exception e) { 17651 if (DEBUG_BACKUP) { 17652 Slog.e(TAG, "Unable to write default apps for backup", e); 17653 } 17654 return null; 17655 } 17656 17657 return dataStream.toByteArray(); 17658 } 17659 17660 @Override 17661 public void restorePermissionGrants(byte[] backup, int userId) { 17662 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17663 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17664 } 17665 17666 try { 17667 final XmlPullParser parser = Xml.newPullParser(); 17668 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17669 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17670 new BlobXmlRestorer() { 17671 @Override 17672 public void apply(XmlPullParser parser, int userId) 17673 throws XmlPullParserException, IOException { 17674 synchronized (mPackages) { 17675 processRestoredPermissionGrantsLPr(parser, userId); 17676 } 17677 } 17678 } ); 17679 } catch (Exception e) { 17680 if (DEBUG_BACKUP) { 17681 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17682 } 17683 } 17684 } 17685 17686 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17687 throws IOException { 17688 serializer.startTag(null, TAG_ALL_GRANTS); 17689 17690 final int N = mSettings.mPackages.size(); 17691 for (int i = 0; i < N; i++) { 17692 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17693 boolean pkgGrantsKnown = false; 17694 17695 PermissionsState packagePerms = ps.getPermissionsState(); 17696 17697 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17698 final int grantFlags = state.getFlags(); 17699 // only look at grants that are not system/policy fixed 17700 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17701 final boolean isGranted = state.isGranted(); 17702 // And only back up the user-twiddled state bits 17703 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17704 final String packageName = mSettings.mPackages.keyAt(i); 17705 if (!pkgGrantsKnown) { 17706 serializer.startTag(null, TAG_GRANT); 17707 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17708 pkgGrantsKnown = true; 17709 } 17710 17711 final boolean userSet = 17712 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17713 final boolean userFixed = 17714 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17715 final boolean revoke = 17716 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17717 17718 serializer.startTag(null, TAG_PERMISSION); 17719 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17720 if (isGranted) { 17721 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17722 } 17723 if (userSet) { 17724 serializer.attribute(null, ATTR_USER_SET, "true"); 17725 } 17726 if (userFixed) { 17727 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17728 } 17729 if (revoke) { 17730 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17731 } 17732 serializer.endTag(null, TAG_PERMISSION); 17733 } 17734 } 17735 } 17736 17737 if (pkgGrantsKnown) { 17738 serializer.endTag(null, TAG_GRANT); 17739 } 17740 } 17741 17742 serializer.endTag(null, TAG_ALL_GRANTS); 17743 } 17744 17745 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17746 throws XmlPullParserException, IOException { 17747 String pkgName = null; 17748 int outerDepth = parser.getDepth(); 17749 int type; 17750 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17751 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17752 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17753 continue; 17754 } 17755 17756 final String tagName = parser.getName(); 17757 if (tagName.equals(TAG_GRANT)) { 17758 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17759 if (DEBUG_BACKUP) { 17760 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17761 } 17762 } else if (tagName.equals(TAG_PERMISSION)) { 17763 17764 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17765 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17766 17767 int newFlagSet = 0; 17768 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17769 newFlagSet |= FLAG_PERMISSION_USER_SET; 17770 } 17771 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17772 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17773 } 17774 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17775 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17776 } 17777 if (DEBUG_BACKUP) { 17778 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17779 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17780 } 17781 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17782 if (ps != null) { 17783 // Already installed so we apply the grant immediately 17784 if (DEBUG_BACKUP) { 17785 Slog.v(TAG, " + already installed; applying"); 17786 } 17787 PermissionsState perms = ps.getPermissionsState(); 17788 BasePermission bp = mSettings.mPermissions.get(permName); 17789 if (bp != null) { 17790 if (isGranted) { 17791 perms.grantRuntimePermission(bp, userId); 17792 } 17793 if (newFlagSet != 0) { 17794 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17795 } 17796 } 17797 } else { 17798 // Need to wait for post-restore install to apply the grant 17799 if (DEBUG_BACKUP) { 17800 Slog.v(TAG, " - not yet installed; saving for later"); 17801 } 17802 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17803 isGranted, newFlagSet, userId); 17804 } 17805 } else { 17806 PackageManagerService.reportSettingsProblem(Log.WARN, 17807 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17808 XmlUtils.skipCurrentTag(parser); 17809 } 17810 } 17811 17812 scheduleWriteSettingsLocked(); 17813 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17814 } 17815 17816 @Override 17817 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17818 int sourceUserId, int targetUserId, int flags) { 17819 mContext.enforceCallingOrSelfPermission( 17820 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17821 int callingUid = Binder.getCallingUid(); 17822 enforceOwnerRights(ownerPackage, callingUid); 17823 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17824 if (intentFilter.countActions() == 0) { 17825 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17826 return; 17827 } 17828 synchronized (mPackages) { 17829 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17830 ownerPackage, targetUserId, flags); 17831 CrossProfileIntentResolver resolver = 17832 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17833 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17834 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17835 if (existing != null) { 17836 int size = existing.size(); 17837 for (int i = 0; i < size; i++) { 17838 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17839 return; 17840 } 17841 } 17842 } 17843 resolver.addFilter(newFilter); 17844 scheduleWritePackageRestrictionsLocked(sourceUserId); 17845 } 17846 } 17847 17848 @Override 17849 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17850 mContext.enforceCallingOrSelfPermission( 17851 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17852 int callingUid = Binder.getCallingUid(); 17853 enforceOwnerRights(ownerPackage, callingUid); 17854 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17855 synchronized (mPackages) { 17856 CrossProfileIntentResolver resolver = 17857 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17858 ArraySet<CrossProfileIntentFilter> set = 17859 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17860 for (CrossProfileIntentFilter filter : set) { 17861 if (filter.getOwnerPackage().equals(ownerPackage)) { 17862 resolver.removeFilter(filter); 17863 } 17864 } 17865 scheduleWritePackageRestrictionsLocked(sourceUserId); 17866 } 17867 } 17868 17869 // Enforcing that callingUid is owning pkg on userId 17870 private void enforceOwnerRights(String pkg, int callingUid) { 17871 // The system owns everything. 17872 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17873 return; 17874 } 17875 int callingUserId = UserHandle.getUserId(callingUid); 17876 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17877 if (pi == null) { 17878 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17879 + callingUserId); 17880 } 17881 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17882 throw new SecurityException("Calling uid " + callingUid 17883 + " does not own package " + pkg); 17884 } 17885 } 17886 17887 @Override 17888 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17889 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17890 } 17891 17892 private Intent getHomeIntent() { 17893 Intent intent = new Intent(Intent.ACTION_MAIN); 17894 intent.addCategory(Intent.CATEGORY_HOME); 17895 intent.addCategory(Intent.CATEGORY_DEFAULT); 17896 return intent; 17897 } 17898 17899 private IntentFilter getHomeFilter() { 17900 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17901 filter.addCategory(Intent.CATEGORY_HOME); 17902 filter.addCategory(Intent.CATEGORY_DEFAULT); 17903 return filter; 17904 } 17905 17906 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17907 int userId) { 17908 Intent intent = getHomeIntent(); 17909 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17910 PackageManager.GET_META_DATA, userId); 17911 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17912 true, false, false, userId); 17913 17914 allHomeCandidates.clear(); 17915 if (list != null) { 17916 for (ResolveInfo ri : list) { 17917 allHomeCandidates.add(ri); 17918 } 17919 } 17920 return (preferred == null || preferred.activityInfo == null) 17921 ? null 17922 : new ComponentName(preferred.activityInfo.packageName, 17923 preferred.activityInfo.name); 17924 } 17925 17926 @Override 17927 public void setHomeActivity(ComponentName comp, int userId) { 17928 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17929 getHomeActivitiesAsUser(homeActivities, userId); 17930 17931 boolean found = false; 17932 17933 final int size = homeActivities.size(); 17934 final ComponentName[] set = new ComponentName[size]; 17935 for (int i = 0; i < size; i++) { 17936 final ResolveInfo candidate = homeActivities.get(i); 17937 final ActivityInfo info = candidate.activityInfo; 17938 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17939 set[i] = activityName; 17940 if (!found && activityName.equals(comp)) { 17941 found = true; 17942 } 17943 } 17944 if (!found) { 17945 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17946 + userId); 17947 } 17948 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17949 set, comp, userId); 17950 } 17951 17952 private @Nullable String getSetupWizardPackageName() { 17953 final Intent intent = new Intent(Intent.ACTION_MAIN); 17954 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17955 17956 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17957 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17958 | MATCH_DISABLED_COMPONENTS, 17959 UserHandle.myUserId()); 17960 if (matches.size() == 1) { 17961 return matches.get(0).getComponentInfo().packageName; 17962 } else { 17963 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17964 + ": matches=" + matches); 17965 return null; 17966 } 17967 } 17968 17969 private @Nullable String getStorageManagerPackageName() { 17970 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 17971 17972 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17973 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17974 | MATCH_DISABLED_COMPONENTS, 17975 UserHandle.myUserId()); 17976 if (matches.size() == 1) { 17977 return matches.get(0).getComponentInfo().packageName; 17978 } else { 17979 Slog.e(TAG, "There should probably be exactly one storage manager; found " 17980 + matches.size() + ": matches=" + matches); 17981 return null; 17982 } 17983 } 17984 17985 @Override 17986 public void setApplicationEnabledSetting(String appPackageName, 17987 int newState, int flags, int userId, String callingPackage) { 17988 if (!sUserManager.exists(userId)) return; 17989 if (callingPackage == null) { 17990 callingPackage = Integer.toString(Binder.getCallingUid()); 17991 } 17992 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17993 } 17994 17995 @Override 17996 public void setComponentEnabledSetting(ComponentName componentName, 17997 int newState, int flags, int userId) { 17998 if (!sUserManager.exists(userId)) return; 17999 setEnabledSetting(componentName.getPackageName(), 18000 componentName.getClassName(), newState, flags, userId, null); 18001 } 18002 18003 private void setEnabledSetting(final String packageName, String className, int newState, 18004 final int flags, int userId, String callingPackage) { 18005 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 18006 || newState == COMPONENT_ENABLED_STATE_ENABLED 18007 || newState == COMPONENT_ENABLED_STATE_DISABLED 18008 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18009 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 18010 throw new IllegalArgumentException("Invalid new component state: " 18011 + newState); 18012 } 18013 PackageSetting pkgSetting; 18014 final int uid = Binder.getCallingUid(); 18015 final int permission; 18016 if (uid == Process.SYSTEM_UID) { 18017 permission = PackageManager.PERMISSION_GRANTED; 18018 } else { 18019 permission = mContext.checkCallingOrSelfPermission( 18020 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18021 } 18022 enforceCrossUserPermission(uid, userId, 18023 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 18024 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18025 boolean sendNow = false; 18026 boolean isApp = (className == null); 18027 String componentName = isApp ? packageName : className; 18028 int packageUid = -1; 18029 ArrayList<String> components; 18030 18031 // writer 18032 synchronized (mPackages) { 18033 pkgSetting = mSettings.mPackages.get(packageName); 18034 if (pkgSetting == null) { 18035 if (className == null) { 18036 throw new IllegalArgumentException("Unknown package: " + packageName); 18037 } 18038 throw new IllegalArgumentException( 18039 "Unknown component: " + packageName + "/" + className); 18040 } 18041 } 18042 18043 // Limit who can change which apps 18044 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 18045 // Don't allow apps that don't have permission to modify other apps 18046 if (!allowedByPermission) { 18047 throw new SecurityException( 18048 "Permission Denial: attempt to change component state from pid=" 18049 + Binder.getCallingPid() 18050 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 18051 } 18052 // Don't allow changing protected packages. 18053 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 18054 throw new SecurityException("Cannot disable a protected package: " + packageName); 18055 } 18056 } 18057 18058 synchronized (mPackages) { 18059 if (uid == Process.SHELL_UID) { 18060 // Shell can only change whole packages between ENABLED and DISABLED_USER states 18061 int oldState = pkgSetting.getEnabled(userId); 18062 if (className == null 18063 && 18064 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 18065 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 18066 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 18067 && 18068 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18069 || newState == COMPONENT_ENABLED_STATE_DEFAULT 18070 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 18071 // ok 18072 } else { 18073 throw new SecurityException( 18074 "Shell cannot change component state for " + packageName + "/" 18075 + className + " to " + newState); 18076 } 18077 } 18078 if (className == null) { 18079 // We're dealing with an application/package level state change 18080 if (pkgSetting.getEnabled(userId) == newState) { 18081 // Nothing to do 18082 return; 18083 } 18084 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 18085 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 18086 // Don't care about who enables an app. 18087 callingPackage = null; 18088 } 18089 pkgSetting.setEnabled(newState, userId, callingPackage); 18090 // pkgSetting.pkg.mSetEnabled = newState; 18091 } else { 18092 // We're dealing with a component level state change 18093 // First, verify that this is a valid class name. 18094 PackageParser.Package pkg = pkgSetting.pkg; 18095 if (pkg == null || !pkg.hasComponentClassName(className)) { 18096 if (pkg != null && 18097 pkg.applicationInfo.targetSdkVersion >= 18098 Build.VERSION_CODES.JELLY_BEAN) { 18099 throw new IllegalArgumentException("Component class " + className 18100 + " does not exist in " + packageName); 18101 } else { 18102 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 18103 + className + " does not exist in " + packageName); 18104 } 18105 } 18106 switch (newState) { 18107 case COMPONENT_ENABLED_STATE_ENABLED: 18108 if (!pkgSetting.enableComponentLPw(className, userId)) { 18109 return; 18110 } 18111 break; 18112 case COMPONENT_ENABLED_STATE_DISABLED: 18113 if (!pkgSetting.disableComponentLPw(className, userId)) { 18114 return; 18115 } 18116 break; 18117 case COMPONENT_ENABLED_STATE_DEFAULT: 18118 if (!pkgSetting.restoreComponentLPw(className, userId)) { 18119 return; 18120 } 18121 break; 18122 default: 18123 Slog.e(TAG, "Invalid new component state: " + newState); 18124 return; 18125 } 18126 } 18127 scheduleWritePackageRestrictionsLocked(userId); 18128 components = mPendingBroadcasts.get(userId, packageName); 18129 final boolean newPackage = components == null; 18130 if (newPackage) { 18131 components = new ArrayList<String>(); 18132 } 18133 if (!components.contains(componentName)) { 18134 components.add(componentName); 18135 } 18136 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 18137 sendNow = true; 18138 // Purge entry from pending broadcast list if another one exists already 18139 // since we are sending one right away. 18140 mPendingBroadcasts.remove(userId, packageName); 18141 } else { 18142 if (newPackage) { 18143 mPendingBroadcasts.put(userId, packageName, components); 18144 } 18145 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 18146 // Schedule a message 18147 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 18148 } 18149 } 18150 } 18151 18152 long callingId = Binder.clearCallingIdentity(); 18153 try { 18154 if (sendNow) { 18155 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 18156 sendPackageChangedBroadcast(packageName, 18157 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 18158 } 18159 } finally { 18160 Binder.restoreCallingIdentity(callingId); 18161 } 18162 } 18163 18164 @Override 18165 public void flushPackageRestrictionsAsUser(int userId) { 18166 if (!sUserManager.exists(userId)) { 18167 return; 18168 } 18169 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 18170 false /* checkShell */, "flushPackageRestrictions"); 18171 synchronized (mPackages) { 18172 mSettings.writePackageRestrictionsLPr(userId); 18173 mDirtyUsers.remove(userId); 18174 if (mDirtyUsers.isEmpty()) { 18175 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 18176 } 18177 } 18178 } 18179 18180 private void sendPackageChangedBroadcast(String packageName, 18181 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 18182 if (DEBUG_INSTALL) 18183 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 18184 + componentNames); 18185 Bundle extras = new Bundle(4); 18186 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 18187 String nameList[] = new String[componentNames.size()]; 18188 componentNames.toArray(nameList); 18189 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 18190 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 18191 extras.putInt(Intent.EXTRA_UID, packageUid); 18192 // If this is not reporting a change of the overall package, then only send it 18193 // to registered receivers. We don't want to launch a swath of apps for every 18194 // little component state change. 18195 final int flags = !componentNames.contains(packageName) 18196 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 18197 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 18198 new int[] {UserHandle.getUserId(packageUid)}); 18199 } 18200 18201 @Override 18202 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 18203 if (!sUserManager.exists(userId)) return; 18204 final int uid = Binder.getCallingUid(); 18205 final int permission = mContext.checkCallingOrSelfPermission( 18206 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18207 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18208 enforceCrossUserPermission(uid, userId, 18209 true /* requireFullPermission */, true /* checkShell */, "stop package"); 18210 // writer 18211 synchronized (mPackages) { 18212 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 18213 allowedByPermission, uid, userId)) { 18214 scheduleWritePackageRestrictionsLocked(userId); 18215 } 18216 } 18217 } 18218 18219 @Override 18220 public String getInstallerPackageName(String packageName) { 18221 // reader 18222 synchronized (mPackages) { 18223 return mSettings.getInstallerPackageNameLPr(packageName); 18224 } 18225 } 18226 18227 public boolean isOrphaned(String packageName) { 18228 // reader 18229 synchronized (mPackages) { 18230 return mSettings.isOrphaned(packageName); 18231 } 18232 } 18233 18234 @Override 18235 public int getApplicationEnabledSetting(String packageName, int userId) { 18236 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18237 int uid = Binder.getCallingUid(); 18238 enforceCrossUserPermission(uid, userId, 18239 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18240 // reader 18241 synchronized (mPackages) { 18242 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18243 } 18244 } 18245 18246 @Override 18247 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18248 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18249 int uid = Binder.getCallingUid(); 18250 enforceCrossUserPermission(uid, userId, 18251 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18252 // reader 18253 synchronized (mPackages) { 18254 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18255 } 18256 } 18257 18258 @Override 18259 public void enterSafeMode() { 18260 enforceSystemOrRoot("Only the system can request entering safe mode"); 18261 18262 if (!mSystemReady) { 18263 mSafeMode = true; 18264 } 18265 } 18266 18267 @Override 18268 public void systemReady() { 18269 mSystemReady = true; 18270 18271 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18272 // disabled after already being started. 18273 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18274 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18275 18276 // Read the compatibilty setting when the system is ready. 18277 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18278 mContext.getContentResolver(), 18279 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18280 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18281 if (DEBUG_SETTINGS) { 18282 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18283 } 18284 18285 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18286 18287 synchronized (mPackages) { 18288 // Verify that all of the preferred activity components actually 18289 // exist. It is possible for applications to be updated and at 18290 // that point remove a previously declared activity component that 18291 // had been set as a preferred activity. We try to clean this up 18292 // the next time we encounter that preferred activity, but it is 18293 // possible for the user flow to never be able to return to that 18294 // situation so here we do a sanity check to make sure we haven't 18295 // left any junk around. 18296 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18297 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18298 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18299 removed.clear(); 18300 for (PreferredActivity pa : pir.filterSet()) { 18301 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18302 removed.add(pa); 18303 } 18304 } 18305 if (removed.size() > 0) { 18306 for (int r=0; r<removed.size(); r++) { 18307 PreferredActivity pa = removed.get(r); 18308 Slog.w(TAG, "Removing dangling preferred activity: " 18309 + pa.mPref.mComponent); 18310 pir.removeFilter(pa); 18311 } 18312 mSettings.writePackageRestrictionsLPr( 18313 mSettings.mPreferredActivities.keyAt(i)); 18314 } 18315 } 18316 18317 for (int userId : UserManagerService.getInstance().getUserIds()) { 18318 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18319 grantPermissionsUserIds = ArrayUtils.appendInt( 18320 grantPermissionsUserIds, userId); 18321 } 18322 } 18323 } 18324 sUserManager.systemReady(); 18325 18326 // If we upgraded grant all default permissions before kicking off. 18327 for (int userId : grantPermissionsUserIds) { 18328 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18329 } 18330 18331 // If we did not grant default permissions, we preload from this the 18332 // default permission exceptions lazily to ensure we don't hit the 18333 // disk on a new user creation. 18334 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18335 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18336 } 18337 18338 // Kick off any messages waiting for system ready 18339 if (mPostSystemReadyMessages != null) { 18340 for (Message msg : mPostSystemReadyMessages) { 18341 msg.sendToTarget(); 18342 } 18343 mPostSystemReadyMessages = null; 18344 } 18345 18346 // Watch for external volumes that come and go over time 18347 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18348 storage.registerListener(mStorageListener); 18349 18350 mInstallerService.systemReady(); 18351 mPackageDexOptimizer.systemReady(); 18352 18353 MountServiceInternal mountServiceInternal = LocalServices.getService( 18354 MountServiceInternal.class); 18355 mountServiceInternal.addExternalStoragePolicy( 18356 new MountServiceInternal.ExternalStorageMountPolicy() { 18357 @Override 18358 public int getMountMode(int uid, String packageName) { 18359 if (Process.isIsolated(uid)) { 18360 return Zygote.MOUNT_EXTERNAL_NONE; 18361 } 18362 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18363 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18364 } 18365 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18366 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18367 } 18368 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18369 return Zygote.MOUNT_EXTERNAL_READ; 18370 } 18371 return Zygote.MOUNT_EXTERNAL_WRITE; 18372 } 18373 18374 @Override 18375 public boolean hasExternalStorage(int uid, String packageName) { 18376 return true; 18377 } 18378 }); 18379 18380 // Now that we're mostly running, clean up stale users and apps 18381 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18382 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18383 } 18384 18385 @Override 18386 public boolean isSafeMode() { 18387 return mSafeMode; 18388 } 18389 18390 @Override 18391 public boolean hasSystemUidErrors() { 18392 return mHasSystemUidErrors; 18393 } 18394 18395 static String arrayToString(int[] array) { 18396 StringBuffer buf = new StringBuffer(128); 18397 buf.append('['); 18398 if (array != null) { 18399 for (int i=0; i<array.length; i++) { 18400 if (i > 0) buf.append(", "); 18401 buf.append(array[i]); 18402 } 18403 } 18404 buf.append(']'); 18405 return buf.toString(); 18406 } 18407 18408 static class DumpState { 18409 public static final int DUMP_LIBS = 1 << 0; 18410 public static final int DUMP_FEATURES = 1 << 1; 18411 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18412 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18413 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18414 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18415 public static final int DUMP_PERMISSIONS = 1 << 6; 18416 public static final int DUMP_PACKAGES = 1 << 7; 18417 public static final int DUMP_SHARED_USERS = 1 << 8; 18418 public static final int DUMP_MESSAGES = 1 << 9; 18419 public static final int DUMP_PROVIDERS = 1 << 10; 18420 public static final int DUMP_VERIFIERS = 1 << 11; 18421 public static final int DUMP_PREFERRED = 1 << 12; 18422 public static final int DUMP_PREFERRED_XML = 1 << 13; 18423 public static final int DUMP_KEYSETS = 1 << 14; 18424 public static final int DUMP_VERSION = 1 << 15; 18425 public static final int DUMP_INSTALLS = 1 << 16; 18426 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18427 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18428 public static final int DUMP_FROZEN = 1 << 19; 18429 public static final int DUMP_DEXOPT = 1 << 20; 18430 public static final int DUMP_COMPILER_STATS = 1 << 21; 18431 18432 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18433 18434 private int mTypes; 18435 18436 private int mOptions; 18437 18438 private boolean mTitlePrinted; 18439 18440 private SharedUserSetting mSharedUser; 18441 18442 public boolean isDumping(int type) { 18443 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18444 return true; 18445 } 18446 18447 return (mTypes & type) != 0; 18448 } 18449 18450 public void setDump(int type) { 18451 mTypes |= type; 18452 } 18453 18454 public boolean isOptionEnabled(int option) { 18455 return (mOptions & option) != 0; 18456 } 18457 18458 public void setOptionEnabled(int option) { 18459 mOptions |= option; 18460 } 18461 18462 public boolean onTitlePrinted() { 18463 final boolean printed = mTitlePrinted; 18464 mTitlePrinted = true; 18465 return printed; 18466 } 18467 18468 public boolean getTitlePrinted() { 18469 return mTitlePrinted; 18470 } 18471 18472 public void setTitlePrinted(boolean enabled) { 18473 mTitlePrinted = enabled; 18474 } 18475 18476 public SharedUserSetting getSharedUser() { 18477 return mSharedUser; 18478 } 18479 18480 public void setSharedUser(SharedUserSetting user) { 18481 mSharedUser = user; 18482 } 18483 } 18484 18485 @Override 18486 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18487 FileDescriptor err, String[] args, ShellCallback callback, 18488 ResultReceiver resultReceiver) { 18489 (new PackageManagerShellCommand(this)).exec( 18490 this, in, out, err, args, callback, resultReceiver); 18491 } 18492 18493 @Override 18494 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18495 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18496 != PackageManager.PERMISSION_GRANTED) { 18497 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18498 + Binder.getCallingPid() 18499 + ", uid=" + Binder.getCallingUid() 18500 + " without permission " 18501 + android.Manifest.permission.DUMP); 18502 return; 18503 } 18504 18505 DumpState dumpState = new DumpState(); 18506 boolean fullPreferred = false; 18507 boolean checkin = false; 18508 18509 String packageName = null; 18510 ArraySet<String> permissionNames = null; 18511 18512 int opti = 0; 18513 while (opti < args.length) { 18514 String opt = args[opti]; 18515 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18516 break; 18517 } 18518 opti++; 18519 18520 if ("-a".equals(opt)) { 18521 // Right now we only know how to print all. 18522 } else if ("-h".equals(opt)) { 18523 pw.println("Package manager dump options:"); 18524 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18525 pw.println(" --checkin: dump for a checkin"); 18526 pw.println(" -f: print details of intent filters"); 18527 pw.println(" -h: print this help"); 18528 pw.println(" cmd may be one of:"); 18529 pw.println(" l[ibraries]: list known shared libraries"); 18530 pw.println(" f[eatures]: list device features"); 18531 pw.println(" k[eysets]: print known keysets"); 18532 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18533 pw.println(" perm[issions]: dump permissions"); 18534 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18535 pw.println(" pref[erred]: print preferred package settings"); 18536 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18537 pw.println(" prov[iders]: dump content providers"); 18538 pw.println(" p[ackages]: dump installed packages"); 18539 pw.println(" s[hared-users]: dump shared user IDs"); 18540 pw.println(" m[essages]: print collected runtime messages"); 18541 pw.println(" v[erifiers]: print package verifier info"); 18542 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18543 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18544 pw.println(" version: print database version info"); 18545 pw.println(" write: write current settings now"); 18546 pw.println(" installs: details about install sessions"); 18547 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18548 pw.println(" dexopt: dump dexopt state"); 18549 pw.println(" compiler-stats: dump compiler statistics"); 18550 pw.println(" <package.name>: info about given package"); 18551 return; 18552 } else if ("--checkin".equals(opt)) { 18553 checkin = true; 18554 } else if ("-f".equals(opt)) { 18555 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18556 } else { 18557 pw.println("Unknown argument: " + opt + "; use -h for help"); 18558 } 18559 } 18560 18561 // Is the caller requesting to dump a particular piece of data? 18562 if (opti < args.length) { 18563 String cmd = args[opti]; 18564 opti++; 18565 // Is this a package name? 18566 if ("android".equals(cmd) || cmd.contains(".")) { 18567 packageName = cmd; 18568 // When dumping a single package, we always dump all of its 18569 // filter information since the amount of data will be reasonable. 18570 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18571 } else if ("check-permission".equals(cmd)) { 18572 if (opti >= args.length) { 18573 pw.println("Error: check-permission missing permission argument"); 18574 return; 18575 } 18576 String perm = args[opti]; 18577 opti++; 18578 if (opti >= args.length) { 18579 pw.println("Error: check-permission missing package argument"); 18580 return; 18581 } 18582 String pkg = args[opti]; 18583 opti++; 18584 int user = UserHandle.getUserId(Binder.getCallingUid()); 18585 if (opti < args.length) { 18586 try { 18587 user = Integer.parseInt(args[opti]); 18588 } catch (NumberFormatException e) { 18589 pw.println("Error: check-permission user argument is not a number: " 18590 + args[opti]); 18591 return; 18592 } 18593 } 18594 pw.println(checkPermission(perm, pkg, user)); 18595 return; 18596 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18597 dumpState.setDump(DumpState.DUMP_LIBS); 18598 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18599 dumpState.setDump(DumpState.DUMP_FEATURES); 18600 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18601 if (opti >= args.length) { 18602 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18603 | DumpState.DUMP_SERVICE_RESOLVERS 18604 | DumpState.DUMP_RECEIVER_RESOLVERS 18605 | DumpState.DUMP_CONTENT_RESOLVERS); 18606 } else { 18607 while (opti < args.length) { 18608 String name = args[opti]; 18609 if ("a".equals(name) || "activity".equals(name)) { 18610 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18611 } else if ("s".equals(name) || "service".equals(name)) { 18612 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18613 } else if ("r".equals(name) || "receiver".equals(name)) { 18614 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18615 } else if ("c".equals(name) || "content".equals(name)) { 18616 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18617 } else { 18618 pw.println("Error: unknown resolver table type: " + name); 18619 return; 18620 } 18621 opti++; 18622 } 18623 } 18624 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18625 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18626 } else if ("permission".equals(cmd)) { 18627 if (opti >= args.length) { 18628 pw.println("Error: permission requires permission name"); 18629 return; 18630 } 18631 permissionNames = new ArraySet<>(); 18632 while (opti < args.length) { 18633 permissionNames.add(args[opti]); 18634 opti++; 18635 } 18636 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18637 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18638 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18639 dumpState.setDump(DumpState.DUMP_PREFERRED); 18640 } else if ("preferred-xml".equals(cmd)) { 18641 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18642 if (opti < args.length && "--full".equals(args[opti])) { 18643 fullPreferred = true; 18644 opti++; 18645 } 18646 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18647 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18648 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18649 dumpState.setDump(DumpState.DUMP_PACKAGES); 18650 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18651 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18652 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18653 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18654 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18655 dumpState.setDump(DumpState.DUMP_MESSAGES); 18656 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18657 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18658 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18659 || "intent-filter-verifiers".equals(cmd)) { 18660 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18661 } else if ("version".equals(cmd)) { 18662 dumpState.setDump(DumpState.DUMP_VERSION); 18663 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18664 dumpState.setDump(DumpState.DUMP_KEYSETS); 18665 } else if ("installs".equals(cmd)) { 18666 dumpState.setDump(DumpState.DUMP_INSTALLS); 18667 } else if ("frozen".equals(cmd)) { 18668 dumpState.setDump(DumpState.DUMP_FROZEN); 18669 } else if ("dexopt".equals(cmd)) { 18670 dumpState.setDump(DumpState.DUMP_DEXOPT); 18671 } else if ("compiler-stats".equals(cmd)) { 18672 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18673 } else if ("write".equals(cmd)) { 18674 synchronized (mPackages) { 18675 mSettings.writeLPr(); 18676 pw.println("Settings written."); 18677 return; 18678 } 18679 } 18680 } 18681 18682 if (checkin) { 18683 pw.println("vers,1"); 18684 } 18685 18686 // reader 18687 synchronized (mPackages) { 18688 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18689 if (!checkin) { 18690 if (dumpState.onTitlePrinted()) 18691 pw.println(); 18692 pw.println("Database versions:"); 18693 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18694 } 18695 } 18696 18697 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18698 if (!checkin) { 18699 if (dumpState.onTitlePrinted()) 18700 pw.println(); 18701 pw.println("Verifiers:"); 18702 pw.print(" Required: "); 18703 pw.print(mRequiredVerifierPackage); 18704 pw.print(" (uid="); 18705 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18706 UserHandle.USER_SYSTEM)); 18707 pw.println(")"); 18708 } else if (mRequiredVerifierPackage != null) { 18709 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18710 pw.print(","); 18711 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18712 UserHandle.USER_SYSTEM)); 18713 } 18714 } 18715 18716 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18717 packageName == null) { 18718 if (mIntentFilterVerifierComponent != null) { 18719 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18720 if (!checkin) { 18721 if (dumpState.onTitlePrinted()) 18722 pw.println(); 18723 pw.println("Intent Filter Verifier:"); 18724 pw.print(" Using: "); 18725 pw.print(verifierPackageName); 18726 pw.print(" (uid="); 18727 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18728 UserHandle.USER_SYSTEM)); 18729 pw.println(")"); 18730 } else if (verifierPackageName != null) { 18731 pw.print("ifv,"); pw.print(verifierPackageName); 18732 pw.print(","); 18733 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18734 UserHandle.USER_SYSTEM)); 18735 } 18736 } else { 18737 pw.println(); 18738 pw.println("No Intent Filter Verifier available!"); 18739 } 18740 } 18741 18742 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18743 boolean printedHeader = false; 18744 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18745 while (it.hasNext()) { 18746 String name = it.next(); 18747 SharedLibraryEntry ent = mSharedLibraries.get(name); 18748 if (!checkin) { 18749 if (!printedHeader) { 18750 if (dumpState.onTitlePrinted()) 18751 pw.println(); 18752 pw.println("Libraries:"); 18753 printedHeader = true; 18754 } 18755 pw.print(" "); 18756 } else { 18757 pw.print("lib,"); 18758 } 18759 pw.print(name); 18760 if (!checkin) { 18761 pw.print(" -> "); 18762 } 18763 if (ent.path != null) { 18764 if (!checkin) { 18765 pw.print("(jar) "); 18766 pw.print(ent.path); 18767 } else { 18768 pw.print(",jar,"); 18769 pw.print(ent.path); 18770 } 18771 } else { 18772 if (!checkin) { 18773 pw.print("(apk) "); 18774 pw.print(ent.apk); 18775 } else { 18776 pw.print(",apk,"); 18777 pw.print(ent.apk); 18778 } 18779 } 18780 pw.println(); 18781 } 18782 } 18783 18784 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18785 if (dumpState.onTitlePrinted()) 18786 pw.println(); 18787 if (!checkin) { 18788 pw.println("Features:"); 18789 } 18790 18791 for (FeatureInfo feat : mAvailableFeatures.values()) { 18792 if (checkin) { 18793 pw.print("feat,"); 18794 pw.print(feat.name); 18795 pw.print(","); 18796 pw.println(feat.version); 18797 } else { 18798 pw.print(" "); 18799 pw.print(feat.name); 18800 if (feat.version > 0) { 18801 pw.print(" version="); 18802 pw.print(feat.version); 18803 } 18804 pw.println(); 18805 } 18806 } 18807 } 18808 18809 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18810 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18811 : "Activity Resolver Table:", " ", packageName, 18812 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18813 dumpState.setTitlePrinted(true); 18814 } 18815 } 18816 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18817 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18818 : "Receiver Resolver Table:", " ", packageName, 18819 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18820 dumpState.setTitlePrinted(true); 18821 } 18822 } 18823 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18824 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18825 : "Service Resolver Table:", " ", packageName, 18826 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18827 dumpState.setTitlePrinted(true); 18828 } 18829 } 18830 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18831 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18832 : "Provider Resolver Table:", " ", packageName, 18833 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18834 dumpState.setTitlePrinted(true); 18835 } 18836 } 18837 18838 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18839 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18840 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18841 int user = mSettings.mPreferredActivities.keyAt(i); 18842 if (pir.dump(pw, 18843 dumpState.getTitlePrinted() 18844 ? "\nPreferred Activities User " + user + ":" 18845 : "Preferred Activities User " + user + ":", " ", 18846 packageName, true, false)) { 18847 dumpState.setTitlePrinted(true); 18848 } 18849 } 18850 } 18851 18852 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18853 pw.flush(); 18854 FileOutputStream fout = new FileOutputStream(fd); 18855 BufferedOutputStream str = new BufferedOutputStream(fout); 18856 XmlSerializer serializer = new FastXmlSerializer(); 18857 try { 18858 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18859 serializer.startDocument(null, true); 18860 serializer.setFeature( 18861 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18862 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18863 serializer.endDocument(); 18864 serializer.flush(); 18865 } catch (IllegalArgumentException e) { 18866 pw.println("Failed writing: " + e); 18867 } catch (IllegalStateException e) { 18868 pw.println("Failed writing: " + e); 18869 } catch (IOException e) { 18870 pw.println("Failed writing: " + e); 18871 } 18872 } 18873 18874 if (!checkin 18875 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18876 && packageName == null) { 18877 pw.println(); 18878 int count = mSettings.mPackages.size(); 18879 if (count == 0) { 18880 pw.println("No applications!"); 18881 pw.println(); 18882 } else { 18883 final String prefix = " "; 18884 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18885 if (allPackageSettings.size() == 0) { 18886 pw.println("No domain preferred apps!"); 18887 pw.println(); 18888 } else { 18889 pw.println("App verification status:"); 18890 pw.println(); 18891 count = 0; 18892 for (PackageSetting ps : allPackageSettings) { 18893 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18894 if (ivi == null || ivi.getPackageName() == null) continue; 18895 pw.println(prefix + "Package: " + ivi.getPackageName()); 18896 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18897 pw.println(prefix + "Status: " + ivi.getStatusString()); 18898 pw.println(); 18899 count++; 18900 } 18901 if (count == 0) { 18902 pw.println(prefix + "No app verification established."); 18903 pw.println(); 18904 } 18905 for (int userId : sUserManager.getUserIds()) { 18906 pw.println("App linkages for user " + userId + ":"); 18907 pw.println(); 18908 count = 0; 18909 for (PackageSetting ps : allPackageSettings) { 18910 final long status = ps.getDomainVerificationStatusForUser(userId); 18911 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18912 continue; 18913 } 18914 pw.println(prefix + "Package: " + ps.name); 18915 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18916 String statusStr = IntentFilterVerificationInfo. 18917 getStatusStringFromValue(status); 18918 pw.println(prefix + "Status: " + statusStr); 18919 pw.println(); 18920 count++; 18921 } 18922 if (count == 0) { 18923 pw.println(prefix + "No configured app linkages."); 18924 pw.println(); 18925 } 18926 } 18927 } 18928 } 18929 } 18930 18931 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18932 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18933 if (packageName == null && permissionNames == null) { 18934 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18935 if (iperm == 0) { 18936 if (dumpState.onTitlePrinted()) 18937 pw.println(); 18938 pw.println("AppOp Permissions:"); 18939 } 18940 pw.print(" AppOp Permission "); 18941 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18942 pw.println(":"); 18943 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18944 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18945 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18946 } 18947 } 18948 } 18949 } 18950 18951 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18952 boolean printedSomething = false; 18953 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18954 if (packageName != null && !packageName.equals(p.info.packageName)) { 18955 continue; 18956 } 18957 if (!printedSomething) { 18958 if (dumpState.onTitlePrinted()) 18959 pw.println(); 18960 pw.println("Registered ContentProviders:"); 18961 printedSomething = true; 18962 } 18963 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18964 pw.print(" "); pw.println(p.toString()); 18965 } 18966 printedSomething = false; 18967 for (Map.Entry<String, PackageParser.Provider> entry : 18968 mProvidersByAuthority.entrySet()) { 18969 PackageParser.Provider p = entry.getValue(); 18970 if (packageName != null && !packageName.equals(p.info.packageName)) { 18971 continue; 18972 } 18973 if (!printedSomething) { 18974 if (dumpState.onTitlePrinted()) 18975 pw.println(); 18976 pw.println("ContentProvider Authorities:"); 18977 printedSomething = true; 18978 } 18979 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18980 pw.print(" "); pw.println(p.toString()); 18981 if (p.info != null && p.info.applicationInfo != null) { 18982 final String appInfo = p.info.applicationInfo.toString(); 18983 pw.print(" applicationInfo="); pw.println(appInfo); 18984 } 18985 } 18986 } 18987 18988 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18989 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18990 } 18991 18992 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18993 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18994 } 18995 18996 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18997 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18998 } 18999 19000 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 19001 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 19002 } 19003 19004 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 19005 // XXX should handle packageName != null by dumping only install data that 19006 // the given package is involved with. 19007 if (dumpState.onTitlePrinted()) pw.println(); 19008 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 19009 } 19010 19011 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 19012 // XXX should handle packageName != null by dumping only install data that 19013 // the given package is involved with. 19014 if (dumpState.onTitlePrinted()) pw.println(); 19015 19016 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19017 ipw.println(); 19018 ipw.println("Frozen packages:"); 19019 ipw.increaseIndent(); 19020 if (mFrozenPackages.size() == 0) { 19021 ipw.println("(none)"); 19022 } else { 19023 for (int i = 0; i < mFrozenPackages.size(); i++) { 19024 ipw.println(mFrozenPackages.valueAt(i)); 19025 } 19026 } 19027 ipw.decreaseIndent(); 19028 } 19029 19030 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 19031 if (dumpState.onTitlePrinted()) pw.println(); 19032 dumpDexoptStateLPr(pw, packageName); 19033 } 19034 19035 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 19036 if (dumpState.onTitlePrinted()) pw.println(); 19037 dumpCompilerStatsLPr(pw, packageName); 19038 } 19039 19040 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 19041 if (dumpState.onTitlePrinted()) pw.println(); 19042 mSettings.dumpReadMessagesLPr(pw, dumpState); 19043 19044 pw.println(); 19045 pw.println("Package warning messages:"); 19046 BufferedReader in = null; 19047 String line = null; 19048 try { 19049 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19050 while ((line = in.readLine()) != null) { 19051 if (line.contains("ignored: updated version")) continue; 19052 pw.println(line); 19053 } 19054 } catch (IOException ignored) { 19055 } finally { 19056 IoUtils.closeQuietly(in); 19057 } 19058 } 19059 19060 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 19061 BufferedReader in = null; 19062 String line = null; 19063 try { 19064 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19065 while ((line = in.readLine()) != null) { 19066 if (line.contains("ignored: updated version")) continue; 19067 pw.print("msg,"); 19068 pw.println(line); 19069 } 19070 } catch (IOException ignored) { 19071 } finally { 19072 IoUtils.closeQuietly(in); 19073 } 19074 } 19075 } 19076 } 19077 19078 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 19079 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19080 ipw.println(); 19081 ipw.println("Dexopt state:"); 19082 ipw.increaseIndent(); 19083 Collection<PackageParser.Package> packages = null; 19084 if (packageName != null) { 19085 PackageParser.Package targetPackage = mPackages.get(packageName); 19086 if (targetPackage != null) { 19087 packages = Collections.singletonList(targetPackage); 19088 } else { 19089 ipw.println("Unable to find package: " + packageName); 19090 return; 19091 } 19092 } else { 19093 packages = mPackages.values(); 19094 } 19095 19096 for (PackageParser.Package pkg : packages) { 19097 ipw.println("[" + pkg.packageName + "]"); 19098 ipw.increaseIndent(); 19099 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 19100 ipw.decreaseIndent(); 19101 } 19102 } 19103 19104 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 19105 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19106 ipw.println(); 19107 ipw.println("Compiler stats:"); 19108 ipw.increaseIndent(); 19109 Collection<PackageParser.Package> packages = null; 19110 if (packageName != null) { 19111 PackageParser.Package targetPackage = mPackages.get(packageName); 19112 if (targetPackage != null) { 19113 packages = Collections.singletonList(targetPackage); 19114 } else { 19115 ipw.println("Unable to find package: " + packageName); 19116 return; 19117 } 19118 } else { 19119 packages = mPackages.values(); 19120 } 19121 19122 for (PackageParser.Package pkg : packages) { 19123 ipw.println("[" + pkg.packageName + "]"); 19124 ipw.increaseIndent(); 19125 19126 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 19127 if (stats == null) { 19128 ipw.println("(No recorded stats)"); 19129 } else { 19130 stats.dump(ipw); 19131 } 19132 ipw.decreaseIndent(); 19133 } 19134 } 19135 19136 private String dumpDomainString(String packageName) { 19137 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 19138 .getList(); 19139 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 19140 19141 ArraySet<String> result = new ArraySet<>(); 19142 if (iviList.size() > 0) { 19143 for (IntentFilterVerificationInfo ivi : iviList) { 19144 for (String host : ivi.getDomains()) { 19145 result.add(host); 19146 } 19147 } 19148 } 19149 if (filters != null && filters.size() > 0) { 19150 for (IntentFilter filter : filters) { 19151 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 19152 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 19153 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 19154 result.addAll(filter.getHostsList()); 19155 } 19156 } 19157 } 19158 19159 StringBuilder sb = new StringBuilder(result.size() * 16); 19160 for (String domain : result) { 19161 if (sb.length() > 0) sb.append(" "); 19162 sb.append(domain); 19163 } 19164 return sb.toString(); 19165 } 19166 19167 // ------- apps on sdcard specific code ------- 19168 static final boolean DEBUG_SD_INSTALL = false; 19169 19170 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 19171 19172 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 19173 19174 private boolean mMediaMounted = false; 19175 19176 static String getEncryptKey() { 19177 try { 19178 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 19179 SD_ENCRYPTION_KEYSTORE_NAME); 19180 if (sdEncKey == null) { 19181 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 19182 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 19183 if (sdEncKey == null) { 19184 Slog.e(TAG, "Failed to create encryption keys"); 19185 return null; 19186 } 19187 } 19188 return sdEncKey; 19189 } catch (NoSuchAlgorithmException nsae) { 19190 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 19191 return null; 19192 } catch (IOException ioe) { 19193 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 19194 return null; 19195 } 19196 } 19197 19198 /* 19199 * Update media status on PackageManager. 19200 */ 19201 @Override 19202 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 19203 int callingUid = Binder.getCallingUid(); 19204 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 19205 throw new SecurityException("Media status can only be updated by the system"); 19206 } 19207 // reader; this apparently protects mMediaMounted, but should probably 19208 // be a different lock in that case. 19209 synchronized (mPackages) { 19210 Log.i(TAG, "Updating external media status from " 19211 + (mMediaMounted ? "mounted" : "unmounted") + " to " 19212 + (mediaStatus ? "mounted" : "unmounted")); 19213 if (DEBUG_SD_INSTALL) 19214 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 19215 + ", mMediaMounted=" + mMediaMounted); 19216 if (mediaStatus == mMediaMounted) { 19217 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 19218 : 0, -1); 19219 mHandler.sendMessage(msg); 19220 return; 19221 } 19222 mMediaMounted = mediaStatus; 19223 } 19224 // Queue up an async operation since the package installation may take a 19225 // little while. 19226 mHandler.post(new Runnable() { 19227 public void run() { 19228 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 19229 } 19230 }); 19231 } 19232 19233 /** 19234 * Called by MountService when the initial ASECs to scan are available. 19235 * Should block until all the ASEC containers are finished being scanned. 19236 */ 19237 public void scanAvailableAsecs() { 19238 updateExternalMediaStatusInner(true, false, false); 19239 } 19240 19241 /* 19242 * Collect information of applications on external media, map them against 19243 * existing containers and update information based on current mount status. 19244 * Please note that we always have to report status if reportStatus has been 19245 * set to true especially when unloading packages. 19246 */ 19247 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 19248 boolean externalStorage) { 19249 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 19250 int[] uidArr = EmptyArray.INT; 19251 19252 final String[] list = PackageHelper.getSecureContainerList(); 19253 if (ArrayUtils.isEmpty(list)) { 19254 Log.i(TAG, "No secure containers found"); 19255 } else { 19256 // Process list of secure containers and categorize them 19257 // as active or stale based on their package internal state. 19258 19259 // reader 19260 synchronized (mPackages) { 19261 for (String cid : list) { 19262 // Leave stages untouched for now; installer service owns them 19263 if (PackageInstallerService.isStageName(cid)) continue; 19264 19265 if (DEBUG_SD_INSTALL) 19266 Log.i(TAG, "Processing container " + cid); 19267 String pkgName = getAsecPackageName(cid); 19268 if (pkgName == null) { 19269 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19270 continue; 19271 } 19272 if (DEBUG_SD_INSTALL) 19273 Log.i(TAG, "Looking for pkg : " + pkgName); 19274 19275 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19276 if (ps == null) { 19277 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19278 continue; 19279 } 19280 19281 /* 19282 * Skip packages that are not external if we're unmounting 19283 * external storage. 19284 */ 19285 if (externalStorage && !isMounted && !isExternal(ps)) { 19286 continue; 19287 } 19288 19289 final AsecInstallArgs args = new AsecInstallArgs(cid, 19290 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19291 // The package status is changed only if the code path 19292 // matches between settings and the container id. 19293 if (ps.codePathString != null 19294 && ps.codePathString.startsWith(args.getCodePath())) { 19295 if (DEBUG_SD_INSTALL) { 19296 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19297 + " at code path: " + ps.codePathString); 19298 } 19299 19300 // We do have a valid package installed on sdcard 19301 processCids.put(args, ps.codePathString); 19302 final int uid = ps.appId; 19303 if (uid != -1) { 19304 uidArr = ArrayUtils.appendInt(uidArr, uid); 19305 } 19306 } else { 19307 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19308 + ps.codePathString); 19309 } 19310 } 19311 } 19312 19313 Arrays.sort(uidArr); 19314 } 19315 19316 // Process packages with valid entries. 19317 if (isMounted) { 19318 if (DEBUG_SD_INSTALL) 19319 Log.i(TAG, "Loading packages"); 19320 loadMediaPackages(processCids, uidArr, externalStorage); 19321 startCleaningPackages(); 19322 mInstallerService.onSecureContainersAvailable(); 19323 } else { 19324 if (DEBUG_SD_INSTALL) 19325 Log.i(TAG, "Unloading packages"); 19326 unloadMediaPackages(processCids, uidArr, reportStatus); 19327 } 19328 } 19329 19330 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19331 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19332 final int size = infos.size(); 19333 final String[] packageNames = new String[size]; 19334 final int[] packageUids = new int[size]; 19335 for (int i = 0; i < size; i++) { 19336 final ApplicationInfo info = infos.get(i); 19337 packageNames[i] = info.packageName; 19338 packageUids[i] = info.uid; 19339 } 19340 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19341 finishedReceiver); 19342 } 19343 19344 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19345 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19346 sendResourcesChangedBroadcast(mediaStatus, replacing, 19347 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19348 } 19349 19350 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19351 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19352 int size = pkgList.length; 19353 if (size > 0) { 19354 // Send broadcasts here 19355 Bundle extras = new Bundle(); 19356 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19357 if (uidArr != null) { 19358 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19359 } 19360 if (replacing) { 19361 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19362 } 19363 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19364 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19365 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19366 } 19367 } 19368 19369 /* 19370 * Look at potentially valid container ids from processCids If package 19371 * information doesn't match the one on record or package scanning fails, 19372 * the cid is added to list of removeCids. We currently don't delete stale 19373 * containers. 19374 */ 19375 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19376 boolean externalStorage) { 19377 ArrayList<String> pkgList = new ArrayList<String>(); 19378 Set<AsecInstallArgs> keys = processCids.keySet(); 19379 19380 for (AsecInstallArgs args : keys) { 19381 String codePath = processCids.get(args); 19382 if (DEBUG_SD_INSTALL) 19383 Log.i(TAG, "Loading container : " + args.cid); 19384 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19385 try { 19386 // Make sure there are no container errors first. 19387 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19388 Slog.e(TAG, "Failed to mount cid : " + args.cid 19389 + " when installing from sdcard"); 19390 continue; 19391 } 19392 // Check code path here. 19393 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19394 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19395 + " does not match one in settings " + codePath); 19396 continue; 19397 } 19398 // Parse package 19399 int parseFlags = mDefParseFlags; 19400 if (args.isExternalAsec()) { 19401 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19402 } 19403 if (args.isFwdLocked()) { 19404 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19405 } 19406 19407 synchronized (mInstallLock) { 19408 PackageParser.Package pkg = null; 19409 try { 19410 // Sadly we don't know the package name yet to freeze it 19411 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19412 SCAN_IGNORE_FROZEN, 0, null); 19413 } catch (PackageManagerException e) { 19414 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19415 } 19416 // Scan the package 19417 if (pkg != null) { 19418 /* 19419 * TODO why is the lock being held? doPostInstall is 19420 * called in other places without the lock. This needs 19421 * to be straightened out. 19422 */ 19423 // writer 19424 synchronized (mPackages) { 19425 retCode = PackageManager.INSTALL_SUCCEEDED; 19426 pkgList.add(pkg.packageName); 19427 // Post process args 19428 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19429 pkg.applicationInfo.uid); 19430 } 19431 } else { 19432 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19433 } 19434 } 19435 19436 } finally { 19437 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19438 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19439 } 19440 } 19441 } 19442 // writer 19443 synchronized (mPackages) { 19444 // If the platform SDK has changed since the last time we booted, 19445 // we need to re-grant app permission to catch any new ones that 19446 // appear. This is really a hack, and means that apps can in some 19447 // cases get permissions that the user didn't initially explicitly 19448 // allow... it would be nice to have some better way to handle 19449 // this situation. 19450 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19451 : mSettings.getInternalVersion(); 19452 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19453 : StorageManager.UUID_PRIVATE_INTERNAL; 19454 19455 int updateFlags = UPDATE_PERMISSIONS_ALL; 19456 if (ver.sdkVersion != mSdkVersion) { 19457 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19458 + mSdkVersion + "; regranting permissions for external"); 19459 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19460 } 19461 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19462 19463 // Yay, everything is now upgraded 19464 ver.forceCurrent(); 19465 19466 // can downgrade to reader 19467 // Persist settings 19468 mSettings.writeLPr(); 19469 } 19470 // Send a broadcast to let everyone know we are done processing 19471 if (pkgList.size() > 0) { 19472 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19473 } 19474 } 19475 19476 /* 19477 * Utility method to unload a list of specified containers 19478 */ 19479 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19480 // Just unmount all valid containers. 19481 for (AsecInstallArgs arg : cidArgs) { 19482 synchronized (mInstallLock) { 19483 arg.doPostDeleteLI(false); 19484 } 19485 } 19486 } 19487 19488 /* 19489 * Unload packages mounted on external media. This involves deleting package 19490 * data from internal structures, sending broadcasts about disabled packages, 19491 * gc'ing to free up references, unmounting all secure containers 19492 * corresponding to packages on external media, and posting a 19493 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19494 * that we always have to post this message if status has been requested no 19495 * matter what. 19496 */ 19497 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19498 final boolean reportStatus) { 19499 if (DEBUG_SD_INSTALL) 19500 Log.i(TAG, "unloading media packages"); 19501 ArrayList<String> pkgList = new ArrayList<String>(); 19502 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19503 final Set<AsecInstallArgs> keys = processCids.keySet(); 19504 for (AsecInstallArgs args : keys) { 19505 String pkgName = args.getPackageName(); 19506 if (DEBUG_SD_INSTALL) 19507 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19508 // Delete package internally 19509 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19510 synchronized (mInstallLock) { 19511 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19512 final boolean res; 19513 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19514 "unloadMediaPackages")) { 19515 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19516 null); 19517 } 19518 if (res) { 19519 pkgList.add(pkgName); 19520 } else { 19521 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19522 failedList.add(args); 19523 } 19524 } 19525 } 19526 19527 // reader 19528 synchronized (mPackages) { 19529 // We didn't update the settings after removing each package; 19530 // write them now for all packages. 19531 mSettings.writeLPr(); 19532 } 19533 19534 // We have to absolutely send UPDATED_MEDIA_STATUS only 19535 // after confirming that all the receivers processed the ordered 19536 // broadcast when packages get disabled, force a gc to clean things up. 19537 // and unload all the containers. 19538 if (pkgList.size() > 0) { 19539 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19540 new IIntentReceiver.Stub() { 19541 public void performReceive(Intent intent, int resultCode, String data, 19542 Bundle extras, boolean ordered, boolean sticky, 19543 int sendingUser) throws RemoteException { 19544 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19545 reportStatus ? 1 : 0, 1, keys); 19546 mHandler.sendMessage(msg); 19547 } 19548 }); 19549 } else { 19550 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19551 keys); 19552 mHandler.sendMessage(msg); 19553 } 19554 } 19555 19556 private void loadPrivatePackages(final VolumeInfo vol) { 19557 mHandler.post(new Runnable() { 19558 @Override 19559 public void run() { 19560 loadPrivatePackagesInner(vol); 19561 } 19562 }); 19563 } 19564 19565 private void loadPrivatePackagesInner(VolumeInfo vol) { 19566 final String volumeUuid = vol.fsUuid; 19567 if (TextUtils.isEmpty(volumeUuid)) { 19568 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19569 return; 19570 } 19571 19572 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19573 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19574 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19575 19576 final VersionInfo ver; 19577 final List<PackageSetting> packages; 19578 synchronized (mPackages) { 19579 ver = mSettings.findOrCreateVersion(volumeUuid); 19580 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19581 } 19582 19583 for (PackageSetting ps : packages) { 19584 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19585 synchronized (mInstallLock) { 19586 final PackageParser.Package pkg; 19587 try { 19588 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19589 loaded.add(pkg.applicationInfo); 19590 19591 } catch (PackageManagerException e) { 19592 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19593 } 19594 19595 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19596 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19597 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19598 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19599 } 19600 } 19601 } 19602 19603 // Reconcile app data for all started/unlocked users 19604 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19605 final UserManager um = mContext.getSystemService(UserManager.class); 19606 UserManagerInternal umInternal = getUserManagerInternal(); 19607 for (UserInfo user : um.getUsers()) { 19608 final int flags; 19609 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19610 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19611 } else if (umInternal.isUserRunning(user.id)) { 19612 flags = StorageManager.FLAG_STORAGE_DE; 19613 } else { 19614 continue; 19615 } 19616 19617 try { 19618 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19619 synchronized (mInstallLock) { 19620 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 19621 } 19622 } catch (IllegalStateException e) { 19623 // Device was probably ejected, and we'll process that event momentarily 19624 Slog.w(TAG, "Failed to prepare storage: " + e); 19625 } 19626 } 19627 19628 synchronized (mPackages) { 19629 int updateFlags = UPDATE_PERMISSIONS_ALL; 19630 if (ver.sdkVersion != mSdkVersion) { 19631 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19632 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19633 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19634 } 19635 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19636 19637 // Yay, everything is now upgraded 19638 ver.forceCurrent(); 19639 19640 mSettings.writeLPr(); 19641 } 19642 19643 for (PackageFreezer freezer : freezers) { 19644 freezer.close(); 19645 } 19646 19647 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19648 sendResourcesChangedBroadcast(true, false, loaded, null); 19649 } 19650 19651 private void unloadPrivatePackages(final VolumeInfo vol) { 19652 mHandler.post(new Runnable() { 19653 @Override 19654 public void run() { 19655 unloadPrivatePackagesInner(vol); 19656 } 19657 }); 19658 } 19659 19660 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19661 final String volumeUuid = vol.fsUuid; 19662 if (TextUtils.isEmpty(volumeUuid)) { 19663 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19664 return; 19665 } 19666 19667 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19668 synchronized (mInstallLock) { 19669 synchronized (mPackages) { 19670 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19671 for (PackageSetting ps : packages) { 19672 if (ps.pkg == null) continue; 19673 19674 final ApplicationInfo info = ps.pkg.applicationInfo; 19675 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19676 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19677 19678 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19679 "unloadPrivatePackagesInner")) { 19680 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19681 false, null)) { 19682 unloaded.add(info); 19683 } else { 19684 Slog.w(TAG, "Failed to unload " + ps.codePath); 19685 } 19686 } 19687 19688 // Try very hard to release any references to this package 19689 // so we don't risk the system server being killed due to 19690 // open FDs 19691 AttributeCache.instance().removePackage(ps.name); 19692 } 19693 19694 mSettings.writeLPr(); 19695 } 19696 } 19697 19698 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19699 sendResourcesChangedBroadcast(false, false, unloaded, null); 19700 19701 // Try very hard to release any references to this path so we don't risk 19702 // the system server being killed due to open FDs 19703 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19704 19705 for (int i = 0; i < 3; i++) { 19706 System.gc(); 19707 System.runFinalization(); 19708 } 19709 } 19710 19711 /** 19712 * Prepare storage areas for given user on all mounted devices. 19713 */ 19714 void prepareUserData(int userId, int userSerial, int flags) { 19715 synchronized (mInstallLock) { 19716 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19717 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19718 final String volumeUuid = vol.getFsUuid(); 19719 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19720 } 19721 } 19722 } 19723 19724 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19725 boolean allowRecover) { 19726 // Prepare storage and verify that serial numbers are consistent; if 19727 // there's a mismatch we need to destroy to avoid leaking data 19728 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19729 try { 19730 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19731 19732 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19733 UserManagerService.enforceSerialNumber( 19734 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19735 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19736 UserManagerService.enforceSerialNumber( 19737 Environment.getDataSystemDeDirectory(userId), userSerial); 19738 } 19739 } 19740 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19741 UserManagerService.enforceSerialNumber( 19742 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19743 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19744 UserManagerService.enforceSerialNumber( 19745 Environment.getDataSystemCeDirectory(userId), userSerial); 19746 } 19747 } 19748 19749 synchronized (mInstallLock) { 19750 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19751 } 19752 } catch (Exception e) { 19753 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19754 + " because we failed to prepare: " + e); 19755 destroyUserDataLI(volumeUuid, userId, 19756 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19757 19758 if (allowRecover) { 19759 // Try one last time; if we fail again we're really in trouble 19760 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19761 } 19762 } 19763 } 19764 19765 /** 19766 * Destroy storage areas for given user on all mounted devices. 19767 */ 19768 void destroyUserData(int userId, int flags) { 19769 synchronized (mInstallLock) { 19770 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19771 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19772 final String volumeUuid = vol.getFsUuid(); 19773 destroyUserDataLI(volumeUuid, userId, flags); 19774 } 19775 } 19776 } 19777 19778 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19779 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19780 try { 19781 // Clean up app data, profile data, and media data 19782 mInstaller.destroyUserData(volumeUuid, userId, flags); 19783 19784 // Clean up system data 19785 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19786 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19787 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19788 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19789 } 19790 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19791 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19792 } 19793 } 19794 19795 // Data with special labels is now gone, so finish the job 19796 storage.destroyUserStorage(volumeUuid, userId, flags); 19797 19798 } catch (Exception e) { 19799 logCriticalInfo(Log.WARN, 19800 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19801 } 19802 } 19803 19804 /** 19805 * Examine all users present on given mounted volume, and destroy data 19806 * belonging to users that are no longer valid, or whose user ID has been 19807 * recycled. 19808 */ 19809 private void reconcileUsers(String volumeUuid) { 19810 final List<File> files = new ArrayList<>(); 19811 Collections.addAll(files, FileUtils 19812 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19813 Collections.addAll(files, FileUtils 19814 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19815 Collections.addAll(files, FileUtils 19816 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19817 Collections.addAll(files, FileUtils 19818 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19819 for (File file : files) { 19820 if (!file.isDirectory()) continue; 19821 19822 final int userId; 19823 final UserInfo info; 19824 try { 19825 userId = Integer.parseInt(file.getName()); 19826 info = sUserManager.getUserInfo(userId); 19827 } catch (NumberFormatException e) { 19828 Slog.w(TAG, "Invalid user directory " + file); 19829 continue; 19830 } 19831 19832 boolean destroyUser = false; 19833 if (info == null) { 19834 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19835 + " because no matching user was found"); 19836 destroyUser = true; 19837 } else if (!mOnlyCore) { 19838 try { 19839 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19840 } catch (IOException e) { 19841 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19842 + " because we failed to enforce serial number: " + e); 19843 destroyUser = true; 19844 } 19845 } 19846 19847 if (destroyUser) { 19848 synchronized (mInstallLock) { 19849 destroyUserDataLI(volumeUuid, userId, 19850 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19851 } 19852 } 19853 } 19854 } 19855 19856 private void assertPackageKnown(String volumeUuid, String packageName) 19857 throws PackageManagerException { 19858 synchronized (mPackages) { 19859 final PackageSetting ps = mSettings.mPackages.get(packageName); 19860 if (ps == null) { 19861 throw new PackageManagerException("Package " + packageName + " is unknown"); 19862 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19863 throw new PackageManagerException( 19864 "Package " + packageName + " found on unknown volume " + volumeUuid 19865 + "; expected volume " + ps.volumeUuid); 19866 } 19867 } 19868 } 19869 19870 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19871 throws PackageManagerException { 19872 synchronized (mPackages) { 19873 final PackageSetting ps = mSettings.mPackages.get(packageName); 19874 if (ps == null) { 19875 throw new PackageManagerException("Package " + packageName + " is unknown"); 19876 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19877 throw new PackageManagerException( 19878 "Package " + packageName + " found on unknown volume " + volumeUuid 19879 + "; expected volume " + ps.volumeUuid); 19880 } else if (!ps.getInstalled(userId)) { 19881 throw new PackageManagerException( 19882 "Package " + packageName + " not installed for user " + userId); 19883 } 19884 } 19885 } 19886 19887 /** 19888 * Examine all apps present on given mounted volume, and destroy apps that 19889 * aren't expected, either due to uninstallation or reinstallation on 19890 * another volume. 19891 */ 19892 private void reconcileApps(String volumeUuid) { 19893 final File[] files = FileUtils 19894 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19895 for (File file : files) { 19896 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19897 && !PackageInstallerService.isStageName(file.getName()); 19898 if (!isPackage) { 19899 // Ignore entries which are not packages 19900 continue; 19901 } 19902 19903 try { 19904 final PackageLite pkg = PackageParser.parsePackageLite(file, 19905 PackageParser.PARSE_MUST_BE_APK); 19906 assertPackageKnown(volumeUuid, pkg.packageName); 19907 19908 } catch (PackageParserException | PackageManagerException e) { 19909 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19910 synchronized (mInstallLock) { 19911 removeCodePathLI(file); 19912 } 19913 } 19914 } 19915 } 19916 19917 /** 19918 * Reconcile all app data for the given user. 19919 * <p> 19920 * Verifies that directories exist and that ownership and labeling is 19921 * correct for all installed apps on all mounted volumes. 19922 */ 19923 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 19924 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19925 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19926 final String volumeUuid = vol.getFsUuid(); 19927 synchronized (mInstallLock) { 19928 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 19929 } 19930 } 19931 } 19932 19933 /** 19934 * Reconcile all app data on given mounted volume. 19935 * <p> 19936 * Destroys app data that isn't expected, either due to uninstallation or 19937 * reinstallation on another volume. 19938 * <p> 19939 * Verifies that directories exist and that ownership and labeling is 19940 * correct for all installed apps. 19941 */ 19942 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 19943 boolean migrateAppData) { 19944 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19945 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 19946 19947 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19948 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19949 19950 // First look for stale data that doesn't belong, and check if things 19951 // have changed since we did our last restorecon 19952 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19953 if (StorageManager.isFileEncryptedNativeOrEmulated() 19954 && !StorageManager.isUserKeyUnlocked(userId)) { 19955 throw new RuntimeException( 19956 "Yikes, someone asked us to reconcile CE storage while " + userId 19957 + " was still locked; this would have caused massive data loss!"); 19958 } 19959 19960 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19961 for (File file : files) { 19962 final String packageName = file.getName(); 19963 try { 19964 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19965 } catch (PackageManagerException e) { 19966 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19967 try { 19968 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19969 StorageManager.FLAG_STORAGE_CE, 0); 19970 } catch (InstallerException e2) { 19971 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19972 } 19973 } 19974 } 19975 } 19976 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19977 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19978 for (File file : files) { 19979 final String packageName = file.getName(); 19980 try { 19981 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19982 } catch (PackageManagerException e) { 19983 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19984 try { 19985 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19986 StorageManager.FLAG_STORAGE_DE, 0); 19987 } catch (InstallerException e2) { 19988 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19989 } 19990 } 19991 } 19992 } 19993 19994 // Ensure that data directories are ready to roll for all packages 19995 // installed for this volume and user 19996 final List<PackageSetting> packages; 19997 synchronized (mPackages) { 19998 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19999 } 20000 int preparedCount = 0; 20001 for (PackageSetting ps : packages) { 20002 final String packageName = ps.name; 20003 if (ps.pkg == null) { 20004 Slog.w(TAG, "Odd, missing scanned package " + packageName); 20005 // TODO: might be due to legacy ASEC apps; we should circle back 20006 // and reconcile again once they're scanned 20007 continue; 20008 } 20009 20010 if (ps.getInstalled(userId)) { 20011 prepareAppDataLIF(ps.pkg, userId, flags); 20012 20013 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 20014 // We may have just shuffled around app data directories, so 20015 // prepare them one more time 20016 prepareAppDataLIF(ps.pkg, userId, flags); 20017 } 20018 20019 preparedCount++; 20020 } 20021 } 20022 20023 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 20024 } 20025 20026 /** 20027 * Prepare app data for the given app just after it was installed or 20028 * upgraded. This method carefully only touches users that it's installed 20029 * for, and it forces a restorecon to handle any seinfo changes. 20030 * <p> 20031 * Verifies that directories exist and that ownership and labeling is 20032 * correct for all installed apps. If there is an ownership mismatch, it 20033 * will try recovering system apps by wiping data; third-party app data is 20034 * left intact. 20035 * <p> 20036 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 20037 */ 20038 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 20039 final PackageSetting ps; 20040 synchronized (mPackages) { 20041 ps = mSettings.mPackages.get(pkg.packageName); 20042 mSettings.writeKernelMappingLPr(ps); 20043 } 20044 20045 final UserManager um = mContext.getSystemService(UserManager.class); 20046 UserManagerInternal umInternal = getUserManagerInternal(); 20047 for (UserInfo user : um.getUsers()) { 20048 final int flags; 20049 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 20050 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 20051 } else if (umInternal.isUserRunning(user.id)) { 20052 flags = StorageManager.FLAG_STORAGE_DE; 20053 } else { 20054 continue; 20055 } 20056 20057 if (ps.getInstalled(user.id)) { 20058 // TODO: when user data is locked, mark that we're still dirty 20059 prepareAppDataLIF(pkg, user.id, flags); 20060 } 20061 } 20062 } 20063 20064 /** 20065 * Prepare app data for the given app. 20066 * <p> 20067 * Verifies that directories exist and that ownership and labeling is 20068 * correct for all installed apps. If there is an ownership mismatch, this 20069 * will try recovering system apps by wiping data; third-party app data is 20070 * left intact. 20071 */ 20072 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 20073 if (pkg == null) { 20074 Slog.wtf(TAG, "Package was null!", new Throwable()); 20075 return; 20076 } 20077 prepareAppDataLeafLIF(pkg, userId, flags); 20078 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20079 for (int i = 0; i < childCount; i++) { 20080 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 20081 } 20082 } 20083 20084 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20085 if (DEBUG_APP_DATA) { 20086 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 20087 + Integer.toHexString(flags)); 20088 } 20089 20090 final String volumeUuid = pkg.volumeUuid; 20091 final String packageName = pkg.packageName; 20092 final ApplicationInfo app = pkg.applicationInfo; 20093 final int appId = UserHandle.getAppId(app.uid); 20094 20095 Preconditions.checkNotNull(app.seinfo); 20096 20097 try { 20098 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20099 appId, app.seinfo, app.targetSdkVersion); 20100 } catch (InstallerException e) { 20101 if (app.isSystemApp()) { 20102 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 20103 + ", but trying to recover: " + e); 20104 destroyAppDataLeafLIF(pkg, userId, flags); 20105 try { 20106 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20107 appId, app.seinfo, app.targetSdkVersion); 20108 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 20109 } catch (InstallerException e2) { 20110 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 20111 } 20112 } else { 20113 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 20114 } 20115 } 20116 20117 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20118 try { 20119 // CE storage is unlocked right now, so read out the inode and 20120 // remember for use later when it's locked 20121 // TODO: mark this structure as dirty so we persist it! 20122 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 20123 StorageManager.FLAG_STORAGE_CE); 20124 synchronized (mPackages) { 20125 final PackageSetting ps = mSettings.mPackages.get(packageName); 20126 if (ps != null) { 20127 ps.setCeDataInode(ceDataInode, userId); 20128 } 20129 } 20130 } catch (InstallerException e) { 20131 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 20132 } 20133 } 20134 20135 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20136 } 20137 20138 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 20139 if (pkg == null) { 20140 Slog.wtf(TAG, "Package was null!", new Throwable()); 20141 return; 20142 } 20143 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20144 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20145 for (int i = 0; i < childCount; i++) { 20146 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 20147 } 20148 } 20149 20150 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20151 final String volumeUuid = pkg.volumeUuid; 20152 final String packageName = pkg.packageName; 20153 final ApplicationInfo app = pkg.applicationInfo; 20154 20155 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20156 // Create a native library symlink only if we have native libraries 20157 // and if the native libraries are 32 bit libraries. We do not provide 20158 // this symlink for 64 bit libraries. 20159 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 20160 final String nativeLibPath = app.nativeLibraryDir; 20161 try { 20162 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 20163 nativeLibPath, userId); 20164 } catch (InstallerException e) { 20165 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 20166 } 20167 } 20168 } 20169 } 20170 20171 /** 20172 * For system apps on non-FBE devices, this method migrates any existing 20173 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 20174 * requested by the app. 20175 */ 20176 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 20177 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 20178 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 20179 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 20180 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 20181 try { 20182 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 20183 storageTarget); 20184 } catch (InstallerException e) { 20185 logCriticalInfo(Log.WARN, 20186 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 20187 } 20188 return true; 20189 } else { 20190 return false; 20191 } 20192 } 20193 20194 public PackageFreezer freezePackage(String packageName, String killReason) { 20195 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 20196 } 20197 20198 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 20199 return new PackageFreezer(packageName, userId, killReason); 20200 } 20201 20202 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 20203 String killReason) { 20204 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 20205 } 20206 20207 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 20208 String killReason) { 20209 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 20210 return new PackageFreezer(); 20211 } else { 20212 return freezePackage(packageName, userId, killReason); 20213 } 20214 } 20215 20216 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 20217 String killReason) { 20218 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 20219 } 20220 20221 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 20222 String killReason) { 20223 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 20224 return new PackageFreezer(); 20225 } else { 20226 return freezePackage(packageName, userId, killReason); 20227 } 20228 } 20229 20230 /** 20231 * Class that freezes and kills the given package upon creation, and 20232 * unfreezes it upon closing. This is typically used when doing surgery on 20233 * app code/data to prevent the app from running while you're working. 20234 */ 20235 private class PackageFreezer implements AutoCloseable { 20236 private final String mPackageName; 20237 private final PackageFreezer[] mChildren; 20238 20239 private final boolean mWeFroze; 20240 20241 private final AtomicBoolean mClosed = new AtomicBoolean(); 20242 private final CloseGuard mCloseGuard = CloseGuard.get(); 20243 20244 /** 20245 * Create and return a stub freezer that doesn't actually do anything, 20246 * typically used when someone requested 20247 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20248 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20249 */ 20250 public PackageFreezer() { 20251 mPackageName = null; 20252 mChildren = null; 20253 mWeFroze = false; 20254 mCloseGuard.open("close"); 20255 } 20256 20257 public PackageFreezer(String packageName, int userId, String killReason) { 20258 synchronized (mPackages) { 20259 mPackageName = packageName; 20260 mWeFroze = mFrozenPackages.add(mPackageName); 20261 20262 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20263 if (ps != null) { 20264 killApplication(ps.name, ps.appId, userId, killReason); 20265 } 20266 20267 final PackageParser.Package p = mPackages.get(packageName); 20268 if (p != null && p.childPackages != null) { 20269 final int N = p.childPackages.size(); 20270 mChildren = new PackageFreezer[N]; 20271 for (int i = 0; i < N; i++) { 20272 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20273 userId, killReason); 20274 } 20275 } else { 20276 mChildren = null; 20277 } 20278 } 20279 mCloseGuard.open("close"); 20280 } 20281 20282 @Override 20283 protected void finalize() throws Throwable { 20284 try { 20285 mCloseGuard.warnIfOpen(); 20286 close(); 20287 } finally { 20288 super.finalize(); 20289 } 20290 } 20291 20292 @Override 20293 public void close() { 20294 mCloseGuard.close(); 20295 if (mClosed.compareAndSet(false, true)) { 20296 synchronized (mPackages) { 20297 if (mWeFroze) { 20298 mFrozenPackages.remove(mPackageName); 20299 } 20300 20301 if (mChildren != null) { 20302 for (PackageFreezer freezer : mChildren) { 20303 freezer.close(); 20304 } 20305 } 20306 } 20307 } 20308 } 20309 } 20310 20311 /** 20312 * Verify that given package is currently frozen. 20313 */ 20314 private void checkPackageFrozen(String packageName) { 20315 synchronized (mPackages) { 20316 if (!mFrozenPackages.contains(packageName)) { 20317 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20318 } 20319 } 20320 } 20321 20322 @Override 20323 public int movePackage(final String packageName, final String volumeUuid) { 20324 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20325 20326 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20327 final int moveId = mNextMoveId.getAndIncrement(); 20328 mHandler.post(new Runnable() { 20329 @Override 20330 public void run() { 20331 try { 20332 movePackageInternal(packageName, volumeUuid, moveId, user); 20333 } catch (PackageManagerException e) { 20334 Slog.w(TAG, "Failed to move " + packageName, e); 20335 mMoveCallbacks.notifyStatusChanged(moveId, 20336 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20337 } 20338 } 20339 }); 20340 return moveId; 20341 } 20342 20343 private void movePackageInternal(final String packageName, final String volumeUuid, 20344 final int moveId, UserHandle user) throws PackageManagerException { 20345 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20346 final PackageManager pm = mContext.getPackageManager(); 20347 20348 final boolean currentAsec; 20349 final String currentVolumeUuid; 20350 final File codeFile; 20351 final String installerPackageName; 20352 final String packageAbiOverride; 20353 final int appId; 20354 final String seinfo; 20355 final String label; 20356 final int targetSdkVersion; 20357 final PackageFreezer freezer; 20358 final int[] installedUserIds; 20359 20360 // reader 20361 synchronized (mPackages) { 20362 final PackageParser.Package pkg = mPackages.get(packageName); 20363 final PackageSetting ps = mSettings.mPackages.get(packageName); 20364 if (pkg == null || ps == null) { 20365 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20366 } 20367 20368 if (pkg.applicationInfo.isSystemApp()) { 20369 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20370 "Cannot move system application"); 20371 } 20372 20373 if (pkg.applicationInfo.isExternalAsec()) { 20374 currentAsec = true; 20375 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20376 } else if (pkg.applicationInfo.isForwardLocked()) { 20377 currentAsec = true; 20378 currentVolumeUuid = "forward_locked"; 20379 } else { 20380 currentAsec = false; 20381 currentVolumeUuid = ps.volumeUuid; 20382 20383 final File probe = new File(pkg.codePath); 20384 final File probeOat = new File(probe, "oat"); 20385 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20386 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20387 "Move only supported for modern cluster style installs"); 20388 } 20389 } 20390 20391 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20392 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20393 "Package already moved to " + volumeUuid); 20394 } 20395 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20396 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20397 "Device admin cannot be moved"); 20398 } 20399 20400 if (mFrozenPackages.contains(packageName)) { 20401 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20402 "Failed to move already frozen package"); 20403 } 20404 20405 codeFile = new File(pkg.codePath); 20406 installerPackageName = ps.installerPackageName; 20407 packageAbiOverride = ps.cpuAbiOverrideString; 20408 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20409 seinfo = pkg.applicationInfo.seinfo; 20410 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20411 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20412 freezer = freezePackage(packageName, "movePackageInternal"); 20413 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20414 } 20415 20416 final Bundle extras = new Bundle(); 20417 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20418 extras.putString(Intent.EXTRA_TITLE, label); 20419 mMoveCallbacks.notifyCreated(moveId, extras); 20420 20421 int installFlags; 20422 final boolean moveCompleteApp; 20423 final File measurePath; 20424 20425 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20426 installFlags = INSTALL_INTERNAL; 20427 moveCompleteApp = !currentAsec; 20428 measurePath = Environment.getDataAppDirectory(volumeUuid); 20429 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20430 installFlags = INSTALL_EXTERNAL; 20431 moveCompleteApp = false; 20432 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20433 } else { 20434 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20435 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20436 || !volume.isMountedWritable()) { 20437 freezer.close(); 20438 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20439 "Move location not mounted private volume"); 20440 } 20441 20442 Preconditions.checkState(!currentAsec); 20443 20444 installFlags = INSTALL_INTERNAL; 20445 moveCompleteApp = true; 20446 measurePath = Environment.getDataAppDirectory(volumeUuid); 20447 } 20448 20449 final PackageStats stats = new PackageStats(null, -1); 20450 synchronized (mInstaller) { 20451 for (int userId : installedUserIds) { 20452 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20453 freezer.close(); 20454 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20455 "Failed to measure package size"); 20456 } 20457 } 20458 } 20459 20460 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20461 + stats.dataSize); 20462 20463 final long startFreeBytes = measurePath.getFreeSpace(); 20464 final long sizeBytes; 20465 if (moveCompleteApp) { 20466 sizeBytes = stats.codeSize + stats.dataSize; 20467 } else { 20468 sizeBytes = stats.codeSize; 20469 } 20470 20471 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20472 freezer.close(); 20473 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20474 "Not enough free space to move"); 20475 } 20476 20477 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20478 20479 final CountDownLatch installedLatch = new CountDownLatch(1); 20480 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20481 @Override 20482 public void onUserActionRequired(Intent intent) throws RemoteException { 20483 throw new IllegalStateException(); 20484 } 20485 20486 @Override 20487 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20488 Bundle extras) throws RemoteException { 20489 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20490 + PackageManager.installStatusToString(returnCode, msg)); 20491 20492 installedLatch.countDown(); 20493 freezer.close(); 20494 20495 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20496 switch (status) { 20497 case PackageInstaller.STATUS_SUCCESS: 20498 mMoveCallbacks.notifyStatusChanged(moveId, 20499 PackageManager.MOVE_SUCCEEDED); 20500 break; 20501 case PackageInstaller.STATUS_FAILURE_STORAGE: 20502 mMoveCallbacks.notifyStatusChanged(moveId, 20503 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20504 break; 20505 default: 20506 mMoveCallbacks.notifyStatusChanged(moveId, 20507 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20508 break; 20509 } 20510 } 20511 }; 20512 20513 final MoveInfo move; 20514 if (moveCompleteApp) { 20515 // Kick off a thread to report progress estimates 20516 new Thread() { 20517 @Override 20518 public void run() { 20519 while (true) { 20520 try { 20521 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20522 break; 20523 } 20524 } catch (InterruptedException ignored) { 20525 } 20526 20527 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20528 final int progress = 10 + (int) MathUtils.constrain( 20529 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20530 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20531 } 20532 } 20533 }.start(); 20534 20535 final String dataAppName = codeFile.getName(); 20536 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20537 dataAppName, appId, seinfo, targetSdkVersion); 20538 } else { 20539 move = null; 20540 } 20541 20542 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20543 20544 final Message msg = mHandler.obtainMessage(INIT_COPY); 20545 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20546 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20547 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20548 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20549 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20550 msg.obj = params; 20551 20552 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20553 System.identityHashCode(msg.obj)); 20554 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20555 System.identityHashCode(msg.obj)); 20556 20557 mHandler.sendMessage(msg); 20558 } 20559 20560 @Override 20561 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20562 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20563 20564 final int realMoveId = mNextMoveId.getAndIncrement(); 20565 final Bundle extras = new Bundle(); 20566 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20567 mMoveCallbacks.notifyCreated(realMoveId, extras); 20568 20569 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20570 @Override 20571 public void onCreated(int moveId, Bundle extras) { 20572 // Ignored 20573 } 20574 20575 @Override 20576 public void onStatusChanged(int moveId, int status, long estMillis) { 20577 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20578 } 20579 }; 20580 20581 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20582 storage.setPrimaryStorageUuid(volumeUuid, callback); 20583 return realMoveId; 20584 } 20585 20586 @Override 20587 public int getMoveStatus(int moveId) { 20588 mContext.enforceCallingOrSelfPermission( 20589 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20590 return mMoveCallbacks.mLastStatus.get(moveId); 20591 } 20592 20593 @Override 20594 public void registerMoveCallback(IPackageMoveObserver callback) { 20595 mContext.enforceCallingOrSelfPermission( 20596 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20597 mMoveCallbacks.register(callback); 20598 } 20599 20600 @Override 20601 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20602 mContext.enforceCallingOrSelfPermission( 20603 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20604 mMoveCallbacks.unregister(callback); 20605 } 20606 20607 @Override 20608 public boolean setInstallLocation(int loc) { 20609 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20610 null); 20611 if (getInstallLocation() == loc) { 20612 return true; 20613 } 20614 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20615 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20616 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20617 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20618 return true; 20619 } 20620 return false; 20621 } 20622 20623 @Override 20624 public int getInstallLocation() { 20625 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20626 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20627 PackageHelper.APP_INSTALL_AUTO); 20628 } 20629 20630 /** Called by UserManagerService */ 20631 void cleanUpUser(UserManagerService userManager, int userHandle) { 20632 synchronized (mPackages) { 20633 mDirtyUsers.remove(userHandle); 20634 mUserNeedsBadging.delete(userHandle); 20635 mSettings.removeUserLPw(userHandle); 20636 mPendingBroadcasts.remove(userHandle); 20637 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20638 removeUnusedPackagesLPw(userManager, userHandle); 20639 } 20640 } 20641 20642 /** 20643 * We're removing userHandle and would like to remove any downloaded packages 20644 * that are no longer in use by any other user. 20645 * @param userHandle the user being removed 20646 */ 20647 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20648 final boolean DEBUG_CLEAN_APKS = false; 20649 int [] users = userManager.getUserIds(); 20650 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20651 while (psit.hasNext()) { 20652 PackageSetting ps = psit.next(); 20653 if (ps.pkg == null) { 20654 continue; 20655 } 20656 final String packageName = ps.pkg.packageName; 20657 // Skip over if system app 20658 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20659 continue; 20660 } 20661 if (DEBUG_CLEAN_APKS) { 20662 Slog.i(TAG, "Checking package " + packageName); 20663 } 20664 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20665 if (keep) { 20666 if (DEBUG_CLEAN_APKS) { 20667 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20668 } 20669 } else { 20670 for (int i = 0; i < users.length; i++) { 20671 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20672 keep = true; 20673 if (DEBUG_CLEAN_APKS) { 20674 Slog.i(TAG, " Keeping package " + packageName + " for user " 20675 + users[i]); 20676 } 20677 break; 20678 } 20679 } 20680 } 20681 if (!keep) { 20682 if (DEBUG_CLEAN_APKS) { 20683 Slog.i(TAG, " Removing package " + packageName); 20684 } 20685 mHandler.post(new Runnable() { 20686 public void run() { 20687 deletePackageX(packageName, userHandle, 0); 20688 } //end run 20689 }); 20690 } 20691 } 20692 } 20693 20694 /** Called by UserManagerService */ 20695 void createNewUser(int userId, String[] disallowedPackages) { 20696 synchronized (mInstallLock) { 20697 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 20698 } 20699 synchronized (mPackages) { 20700 scheduleWritePackageRestrictionsLocked(userId); 20701 scheduleWritePackageListLocked(userId); 20702 applyFactoryDefaultBrowserLPw(userId); 20703 primeDomainVerificationsLPw(userId); 20704 } 20705 } 20706 20707 void onNewUserCreated(final int userId) { 20708 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20709 // If permission review for legacy apps is required, we represent 20710 // dagerous permissions for such apps as always granted runtime 20711 // permissions to keep per user flag state whether review is needed. 20712 // Hence, if a new user is added we have to propagate dangerous 20713 // permission grants for these legacy apps. 20714 if (mPermissionReviewRequired) { 20715 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20716 | UPDATE_PERMISSIONS_REPLACE_ALL); 20717 } 20718 } 20719 20720 @Override 20721 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20722 mContext.enforceCallingOrSelfPermission( 20723 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20724 "Only package verification agents can read the verifier device identity"); 20725 20726 synchronized (mPackages) { 20727 return mSettings.getVerifierDeviceIdentityLPw(); 20728 } 20729 } 20730 20731 @Override 20732 public void setPermissionEnforced(String permission, boolean enforced) { 20733 // TODO: Now that we no longer change GID for storage, this should to away. 20734 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20735 "setPermissionEnforced"); 20736 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20737 synchronized (mPackages) { 20738 if (mSettings.mReadExternalStorageEnforced == null 20739 || mSettings.mReadExternalStorageEnforced != enforced) { 20740 mSettings.mReadExternalStorageEnforced = enforced; 20741 mSettings.writeLPr(); 20742 } 20743 } 20744 // kill any non-foreground processes so we restart them and 20745 // grant/revoke the GID. 20746 final IActivityManager am = ActivityManagerNative.getDefault(); 20747 if (am != null) { 20748 final long token = Binder.clearCallingIdentity(); 20749 try { 20750 am.killProcessesBelowForeground("setPermissionEnforcement"); 20751 } catch (RemoteException e) { 20752 } finally { 20753 Binder.restoreCallingIdentity(token); 20754 } 20755 } 20756 } else { 20757 throw new IllegalArgumentException("No selective enforcement for " + permission); 20758 } 20759 } 20760 20761 @Override 20762 @Deprecated 20763 public boolean isPermissionEnforced(String permission) { 20764 return true; 20765 } 20766 20767 @Override 20768 public boolean isStorageLow() { 20769 final long token = Binder.clearCallingIdentity(); 20770 try { 20771 final DeviceStorageMonitorInternal 20772 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20773 if (dsm != null) { 20774 return dsm.isMemoryLow(); 20775 } else { 20776 return false; 20777 } 20778 } finally { 20779 Binder.restoreCallingIdentity(token); 20780 } 20781 } 20782 20783 @Override 20784 public IPackageInstaller getPackageInstaller() { 20785 return mInstallerService; 20786 } 20787 20788 private boolean userNeedsBadging(int userId) { 20789 int index = mUserNeedsBadging.indexOfKey(userId); 20790 if (index < 0) { 20791 final UserInfo userInfo; 20792 final long token = Binder.clearCallingIdentity(); 20793 try { 20794 userInfo = sUserManager.getUserInfo(userId); 20795 } finally { 20796 Binder.restoreCallingIdentity(token); 20797 } 20798 final boolean b; 20799 if (userInfo != null && userInfo.isManagedProfile()) { 20800 b = true; 20801 } else { 20802 b = false; 20803 } 20804 mUserNeedsBadging.put(userId, b); 20805 return b; 20806 } 20807 return mUserNeedsBadging.valueAt(index); 20808 } 20809 20810 @Override 20811 public KeySet getKeySetByAlias(String packageName, String alias) { 20812 if (packageName == null || alias == null) { 20813 return null; 20814 } 20815 synchronized(mPackages) { 20816 final PackageParser.Package pkg = mPackages.get(packageName); 20817 if (pkg == null) { 20818 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20819 throw new IllegalArgumentException("Unknown package: " + packageName); 20820 } 20821 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20822 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20823 } 20824 } 20825 20826 @Override 20827 public KeySet getSigningKeySet(String packageName) { 20828 if (packageName == null) { 20829 return null; 20830 } 20831 synchronized(mPackages) { 20832 final PackageParser.Package pkg = mPackages.get(packageName); 20833 if (pkg == null) { 20834 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20835 throw new IllegalArgumentException("Unknown package: " + packageName); 20836 } 20837 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20838 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20839 throw new SecurityException("May not access signing KeySet of other apps."); 20840 } 20841 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20842 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20843 } 20844 } 20845 20846 @Override 20847 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20848 if (packageName == null || ks == null) { 20849 return false; 20850 } 20851 synchronized(mPackages) { 20852 final PackageParser.Package pkg = mPackages.get(packageName); 20853 if (pkg == null) { 20854 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20855 throw new IllegalArgumentException("Unknown package: " + packageName); 20856 } 20857 IBinder ksh = ks.getToken(); 20858 if (ksh instanceof KeySetHandle) { 20859 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20860 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20861 } 20862 return false; 20863 } 20864 } 20865 20866 @Override 20867 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20868 if (packageName == null || ks == null) { 20869 return false; 20870 } 20871 synchronized(mPackages) { 20872 final PackageParser.Package pkg = mPackages.get(packageName); 20873 if (pkg == null) { 20874 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20875 throw new IllegalArgumentException("Unknown package: " + packageName); 20876 } 20877 IBinder ksh = ks.getToken(); 20878 if (ksh instanceof KeySetHandle) { 20879 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20880 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20881 } 20882 return false; 20883 } 20884 } 20885 20886 private void deletePackageIfUnusedLPr(final String packageName) { 20887 PackageSetting ps = mSettings.mPackages.get(packageName); 20888 if (ps == null) { 20889 return; 20890 } 20891 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20892 // TODO Implement atomic delete if package is unused 20893 // It is currently possible that the package will be deleted even if it is installed 20894 // after this method returns. 20895 mHandler.post(new Runnable() { 20896 public void run() { 20897 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20898 } 20899 }); 20900 } 20901 } 20902 20903 /** 20904 * Check and throw if the given before/after packages would be considered a 20905 * downgrade. 20906 */ 20907 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20908 throws PackageManagerException { 20909 if (after.versionCode < before.mVersionCode) { 20910 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20911 "Update version code " + after.versionCode + " is older than current " 20912 + before.mVersionCode); 20913 } else if (after.versionCode == before.mVersionCode) { 20914 if (after.baseRevisionCode < before.baseRevisionCode) { 20915 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20916 "Update base revision code " + after.baseRevisionCode 20917 + " is older than current " + before.baseRevisionCode); 20918 } 20919 20920 if (!ArrayUtils.isEmpty(after.splitNames)) { 20921 for (int i = 0; i < after.splitNames.length; i++) { 20922 final String splitName = after.splitNames[i]; 20923 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20924 if (j != -1) { 20925 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20926 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20927 "Update split " + splitName + " revision code " 20928 + after.splitRevisionCodes[i] + " is older than current " 20929 + before.splitRevisionCodes[j]); 20930 } 20931 } 20932 } 20933 } 20934 } 20935 } 20936 20937 private static class MoveCallbacks extends Handler { 20938 private static final int MSG_CREATED = 1; 20939 private static final int MSG_STATUS_CHANGED = 2; 20940 20941 private final RemoteCallbackList<IPackageMoveObserver> 20942 mCallbacks = new RemoteCallbackList<>(); 20943 20944 private final SparseIntArray mLastStatus = new SparseIntArray(); 20945 20946 public MoveCallbacks(Looper looper) { 20947 super(looper); 20948 } 20949 20950 public void register(IPackageMoveObserver callback) { 20951 mCallbacks.register(callback); 20952 } 20953 20954 public void unregister(IPackageMoveObserver callback) { 20955 mCallbacks.unregister(callback); 20956 } 20957 20958 @Override 20959 public void handleMessage(Message msg) { 20960 final SomeArgs args = (SomeArgs) msg.obj; 20961 final int n = mCallbacks.beginBroadcast(); 20962 for (int i = 0; i < n; i++) { 20963 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20964 try { 20965 invokeCallback(callback, msg.what, args); 20966 } catch (RemoteException ignored) { 20967 } 20968 } 20969 mCallbacks.finishBroadcast(); 20970 args.recycle(); 20971 } 20972 20973 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20974 throws RemoteException { 20975 switch (what) { 20976 case MSG_CREATED: { 20977 callback.onCreated(args.argi1, (Bundle) args.arg2); 20978 break; 20979 } 20980 case MSG_STATUS_CHANGED: { 20981 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20982 break; 20983 } 20984 } 20985 } 20986 20987 private void notifyCreated(int moveId, Bundle extras) { 20988 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20989 20990 final SomeArgs args = SomeArgs.obtain(); 20991 args.argi1 = moveId; 20992 args.arg2 = extras; 20993 obtainMessage(MSG_CREATED, args).sendToTarget(); 20994 } 20995 20996 private void notifyStatusChanged(int moveId, int status) { 20997 notifyStatusChanged(moveId, status, -1); 20998 } 20999 21000 private void notifyStatusChanged(int moveId, int status, long estMillis) { 21001 Slog.v(TAG, "Move " + moveId + " status " + status); 21002 21003 final SomeArgs args = SomeArgs.obtain(); 21004 args.argi1 = moveId; 21005 args.argi2 = status; 21006 args.arg3 = estMillis; 21007 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 21008 21009 synchronized (mLastStatus) { 21010 mLastStatus.put(moveId, status); 21011 } 21012 } 21013 } 21014 21015 private final static class OnPermissionChangeListeners extends Handler { 21016 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 21017 21018 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 21019 new RemoteCallbackList<>(); 21020 21021 public OnPermissionChangeListeners(Looper looper) { 21022 super(looper); 21023 } 21024 21025 @Override 21026 public void handleMessage(Message msg) { 21027 switch (msg.what) { 21028 case MSG_ON_PERMISSIONS_CHANGED: { 21029 final int uid = msg.arg1; 21030 handleOnPermissionsChanged(uid); 21031 } break; 21032 } 21033 } 21034 21035 public void addListenerLocked(IOnPermissionsChangeListener listener) { 21036 mPermissionListeners.register(listener); 21037 21038 } 21039 21040 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 21041 mPermissionListeners.unregister(listener); 21042 } 21043 21044 public void onPermissionsChanged(int uid) { 21045 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 21046 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 21047 } 21048 } 21049 21050 private void handleOnPermissionsChanged(int uid) { 21051 final int count = mPermissionListeners.beginBroadcast(); 21052 try { 21053 for (int i = 0; i < count; i++) { 21054 IOnPermissionsChangeListener callback = mPermissionListeners 21055 .getBroadcastItem(i); 21056 try { 21057 callback.onPermissionsChanged(uid); 21058 } catch (RemoteException e) { 21059 Log.e(TAG, "Permission listener is dead", e); 21060 } 21061 } 21062 } finally { 21063 mPermissionListeners.finishBroadcast(); 21064 } 21065 } 21066 } 21067 21068 private class PackageManagerInternalImpl extends PackageManagerInternal { 21069 @Override 21070 public void setLocationPackagesProvider(PackagesProvider provider) { 21071 synchronized (mPackages) { 21072 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 21073 } 21074 } 21075 21076 @Override 21077 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 21078 synchronized (mPackages) { 21079 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 21080 } 21081 } 21082 21083 @Override 21084 public void setSmsAppPackagesProvider(PackagesProvider provider) { 21085 synchronized (mPackages) { 21086 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 21087 } 21088 } 21089 21090 @Override 21091 public void setDialerAppPackagesProvider(PackagesProvider provider) { 21092 synchronized (mPackages) { 21093 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 21094 } 21095 } 21096 21097 @Override 21098 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 21099 synchronized (mPackages) { 21100 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 21101 } 21102 } 21103 21104 @Override 21105 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 21106 synchronized (mPackages) { 21107 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 21108 } 21109 } 21110 21111 @Override 21112 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 21113 synchronized (mPackages) { 21114 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 21115 packageName, userId); 21116 } 21117 } 21118 21119 @Override 21120 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 21121 synchronized (mPackages) { 21122 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 21123 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 21124 packageName, userId); 21125 } 21126 } 21127 21128 @Override 21129 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 21130 synchronized (mPackages) { 21131 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 21132 packageName, userId); 21133 } 21134 } 21135 21136 @Override 21137 public void setKeepUninstalledPackages(final List<String> packageList) { 21138 Preconditions.checkNotNull(packageList); 21139 List<String> removedFromList = null; 21140 synchronized (mPackages) { 21141 if (mKeepUninstalledPackages != null) { 21142 final int packagesCount = mKeepUninstalledPackages.size(); 21143 for (int i = 0; i < packagesCount; i++) { 21144 String oldPackage = mKeepUninstalledPackages.get(i); 21145 if (packageList != null && packageList.contains(oldPackage)) { 21146 continue; 21147 } 21148 if (removedFromList == null) { 21149 removedFromList = new ArrayList<>(); 21150 } 21151 removedFromList.add(oldPackage); 21152 } 21153 } 21154 mKeepUninstalledPackages = new ArrayList<>(packageList); 21155 if (removedFromList != null) { 21156 final int removedCount = removedFromList.size(); 21157 for (int i = 0; i < removedCount; i++) { 21158 deletePackageIfUnusedLPr(removedFromList.get(i)); 21159 } 21160 } 21161 } 21162 } 21163 21164 @Override 21165 public boolean isPermissionsReviewRequired(String packageName, int userId) { 21166 synchronized (mPackages) { 21167 // If we do not support permission review, done. 21168 if (!mPermissionReviewRequired) { 21169 return false; 21170 } 21171 21172 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 21173 if (packageSetting == null) { 21174 return false; 21175 } 21176 21177 // Permission review applies only to apps not supporting the new permission model. 21178 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 21179 return false; 21180 } 21181 21182 // Legacy apps have the permission and get user consent on launch. 21183 PermissionsState permissionsState = packageSetting.getPermissionsState(); 21184 return permissionsState.isPermissionReviewRequired(userId); 21185 } 21186 } 21187 21188 @Override 21189 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 21190 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 21191 } 21192 21193 @Override 21194 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 21195 int userId) { 21196 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 21197 } 21198 21199 @Override 21200 public void setDeviceAndProfileOwnerPackages( 21201 int deviceOwnerUserId, String deviceOwnerPackage, 21202 SparseArray<String> profileOwnerPackages) { 21203 mProtectedPackages.setDeviceAndProfileOwnerPackages( 21204 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 21205 } 21206 21207 @Override 21208 public boolean isPackageDataProtected(int userId, String packageName) { 21209 return mProtectedPackages.isPackageDataProtected(userId, packageName); 21210 } 21211 21212 @Override 21213 public boolean wasPackageEverLaunched(String packageName, int userId) { 21214 synchronized (mPackages) { 21215 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 21216 } 21217 } 21218 21219 @Override 21220 public void grantRuntimePermission(String packageName, String name, int userId, 21221 boolean overridePolicy) { 21222 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 21223 overridePolicy); 21224 } 21225 21226 @Override 21227 public void revokeRuntimePermission(String packageName, String name, int userId, 21228 boolean overridePolicy) { 21229 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 21230 overridePolicy); 21231 } 21232 } 21233 21234 @Override 21235 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 21236 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 21237 synchronized (mPackages) { 21238 final long identity = Binder.clearCallingIdentity(); 21239 try { 21240 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 21241 packageNames, userId); 21242 } finally { 21243 Binder.restoreCallingIdentity(identity); 21244 } 21245 } 21246 } 21247 21248 private static void enforceSystemOrPhoneCaller(String tag) { 21249 int callingUid = Binder.getCallingUid(); 21250 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 21251 throw new SecurityException( 21252 "Cannot call " + tag + " from UID " + callingUid); 21253 } 21254 } 21255 21256 boolean isHistoricalPackageUsageAvailable() { 21257 return mPackageUsage.isHistoricalPackageUsageAvailable(); 21258 } 21259 21260 /** 21261 * Return a <b>copy</b> of the collection of packages known to the package manager. 21262 * @return A copy of the values of mPackages. 21263 */ 21264 Collection<PackageParser.Package> getPackages() { 21265 synchronized (mPackages) { 21266 return new ArrayList<>(mPackages.values()); 21267 } 21268 } 21269 21270 /** 21271 * Logs process start information (including base APK hash) to the security log. 21272 * @hide 21273 */ 21274 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21275 String apkFile, int pid) { 21276 if (!SecurityLog.isLoggingEnabled()) { 21277 return; 21278 } 21279 Bundle data = new Bundle(); 21280 data.putLong("startTimestamp", System.currentTimeMillis()); 21281 data.putString("processName", processName); 21282 data.putInt("uid", uid); 21283 data.putString("seinfo", seinfo); 21284 data.putString("apkFile", apkFile); 21285 data.putInt("pid", pid); 21286 Message msg = mProcessLoggingHandler.obtainMessage( 21287 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21288 msg.setData(data); 21289 mProcessLoggingHandler.sendMessage(msg); 21290 } 21291 21292 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21293 return mCompilerStats.getPackageStats(pkgName); 21294 } 21295 21296 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21297 return getOrCreateCompilerPackageStats(pkg.packageName); 21298 } 21299 21300 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21301 return mCompilerStats.getOrCreatePackageStats(pkgName); 21302 } 21303 21304 public void deleteCompilerPackageStats(String pkgName) { 21305 mCompilerStats.deletePackageStats(pkgName); 21306 } 21307} 21308