PackageManagerService.java revision 9f2c93663c2de84f958eebef96a98458ebaf51a9
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_THEME_PROPERTY is set, search for runtime resource overlay APKs also in 470 * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_THEME_PROPERTY> in addition to 471 * VENDOR_OVERLAY_DIR. 472 */ 473 private static final String VENDOR_OVERLAY_THEME_PROPERTY = "ro.boot.vendor.overlay.theme"; 474 475 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. (Do this before scanning any apps.) 2289 // For security and version matching reason, only consider 2290 // overlay packages if they reside in the right directory. 2291 String overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PROPERTY); 2292 if (!overlayThemeDir.isEmpty()) { 2293 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlayThemeDir), mDefParseFlags 2294 | PackageParser.PARSE_IS_SYSTEM 2295 | PackageParser.PARSE_IS_SYSTEM_DIR 2296 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2297 } 2298 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2299 | PackageParser.PARSE_IS_SYSTEM 2300 | PackageParser.PARSE_IS_SYSTEM_DIR 2301 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2302 2303 // Find base frameworks (resource packages without code). 2304 scanDirTracedLI(frameworkDir, mDefParseFlags 2305 | PackageParser.PARSE_IS_SYSTEM 2306 | PackageParser.PARSE_IS_SYSTEM_DIR 2307 | PackageParser.PARSE_IS_PRIVILEGED, 2308 scanFlags | SCAN_NO_DEX, 0); 2309 2310 // Collected privileged system packages. 2311 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2312 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2313 | PackageParser.PARSE_IS_SYSTEM 2314 | PackageParser.PARSE_IS_SYSTEM_DIR 2315 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2316 2317 // Collect ordinary system packages. 2318 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2319 scanDirTracedLI(systemAppDir, mDefParseFlags 2320 | PackageParser.PARSE_IS_SYSTEM 2321 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2322 2323 // Collect all vendor packages. 2324 File vendorAppDir = new File("/vendor/app"); 2325 try { 2326 vendorAppDir = vendorAppDir.getCanonicalFile(); 2327 } catch (IOException e) { 2328 // failed to look up canonical path, continue with original one 2329 } 2330 scanDirTracedLI(vendorAppDir, mDefParseFlags 2331 | PackageParser.PARSE_IS_SYSTEM 2332 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2333 2334 // Collect all OEM packages. 2335 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2336 scanDirTracedLI(oemAppDir, mDefParseFlags 2337 | PackageParser.PARSE_IS_SYSTEM 2338 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2339 2340 // Prune any system packages that no longer exist. 2341 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2342 if (!mOnlyCore) { 2343 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2344 while (psit.hasNext()) { 2345 PackageSetting ps = psit.next(); 2346 2347 /* 2348 * If this is not a system app, it can't be a 2349 * disable system app. 2350 */ 2351 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2352 continue; 2353 } 2354 2355 /* 2356 * If the package is scanned, it's not erased. 2357 */ 2358 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2359 if (scannedPkg != null) { 2360 /* 2361 * If the system app is both scanned and in the 2362 * disabled packages list, then it must have been 2363 * added via OTA. Remove it from the currently 2364 * scanned package so the previously user-installed 2365 * application can be scanned. 2366 */ 2367 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2368 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2369 + ps.name + "; removing system app. Last known codePath=" 2370 + ps.codePathString + ", installStatus=" + ps.installStatus 2371 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2372 + scannedPkg.mVersionCode); 2373 removePackageLI(scannedPkg, true); 2374 mExpectingBetter.put(ps.name, ps.codePath); 2375 } 2376 2377 continue; 2378 } 2379 2380 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2381 psit.remove(); 2382 logCriticalInfo(Log.WARN, "System package " + ps.name 2383 + " no longer exists; it's data will be wiped"); 2384 // Actual deletion of code and data will be handled by later 2385 // reconciliation step 2386 } else { 2387 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2388 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2389 possiblyDeletedUpdatedSystemApps.add(ps.name); 2390 } 2391 } 2392 } 2393 } 2394 2395 //look for any incomplete package installations 2396 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2397 for (int i = 0; i < deletePkgsList.size(); i++) { 2398 // Actual deletion of code and data will be handled by later 2399 // reconciliation step 2400 final String packageName = deletePkgsList.get(i).name; 2401 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2402 synchronized (mPackages) { 2403 mSettings.removePackageLPw(packageName); 2404 } 2405 } 2406 2407 //delete tmp files 2408 deleteTempPackageFiles(); 2409 2410 // Remove any shared userIDs that have no associated packages 2411 mSettings.pruneSharedUsersLPw(); 2412 2413 if (!mOnlyCore) { 2414 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2415 SystemClock.uptimeMillis()); 2416 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2417 2418 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2419 | PackageParser.PARSE_FORWARD_LOCK, 2420 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2421 2422 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2423 | PackageParser.PARSE_IS_EPHEMERAL, 2424 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2425 2426 /** 2427 * Remove disable package settings for any updated system 2428 * apps that were removed via an OTA. If they're not a 2429 * previously-updated app, remove them completely. 2430 * Otherwise, just revoke their system-level permissions. 2431 */ 2432 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2433 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2434 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2435 2436 String msg; 2437 if (deletedPkg == null) { 2438 msg = "Updated system package " + deletedAppName 2439 + " no longer exists; it's data will be wiped"; 2440 // Actual deletion of code and data will be handled by later 2441 // reconciliation step 2442 } else { 2443 msg = "Updated system app + " + deletedAppName 2444 + " no longer present; removing system privileges for " 2445 + deletedAppName; 2446 2447 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2448 2449 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2450 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2451 } 2452 logCriticalInfo(Log.WARN, msg); 2453 } 2454 2455 /** 2456 * Make sure all system apps that we expected to appear on 2457 * the userdata partition actually showed up. If they never 2458 * appeared, crawl back and revive the system version. 2459 */ 2460 for (int i = 0; i < mExpectingBetter.size(); i++) { 2461 final String packageName = mExpectingBetter.keyAt(i); 2462 if (!mPackages.containsKey(packageName)) { 2463 final File scanFile = mExpectingBetter.valueAt(i); 2464 2465 logCriticalInfo(Log.WARN, "Expected better " + packageName 2466 + " but never showed up; reverting to system"); 2467 2468 int reparseFlags = mDefParseFlags; 2469 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2470 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2471 | PackageParser.PARSE_IS_SYSTEM_DIR 2472 | PackageParser.PARSE_IS_PRIVILEGED; 2473 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2474 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2475 | PackageParser.PARSE_IS_SYSTEM_DIR; 2476 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2477 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2478 | PackageParser.PARSE_IS_SYSTEM_DIR; 2479 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2480 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2481 | PackageParser.PARSE_IS_SYSTEM_DIR; 2482 } else { 2483 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2484 continue; 2485 } 2486 2487 mSettings.enableSystemPackageLPw(packageName); 2488 2489 try { 2490 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2491 } catch (PackageManagerException e) { 2492 Slog.e(TAG, "Failed to parse original system package: " 2493 + e.getMessage()); 2494 } 2495 } 2496 } 2497 } 2498 mExpectingBetter.clear(); 2499 2500 // Resolve the storage manager. 2501 mStorageManagerPackage = getStorageManagerPackageName(); 2502 2503 // Resolve protected action filters. Only the setup wizard is allowed to 2504 // have a high priority filter for these actions. 2505 mSetupWizardPackage = getSetupWizardPackageName(); 2506 if (mProtectedFilters.size() > 0) { 2507 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2508 Slog.i(TAG, "No setup wizard;" 2509 + " All protected intents capped to priority 0"); 2510 } 2511 for (ActivityIntentInfo filter : mProtectedFilters) { 2512 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2513 if (DEBUG_FILTERS) { 2514 Slog.i(TAG, "Found setup wizard;" 2515 + " allow priority " + filter.getPriority() + ";" 2516 + " package: " + filter.activity.info.packageName 2517 + " activity: " + filter.activity.className 2518 + " priority: " + filter.getPriority()); 2519 } 2520 // skip setup wizard; allow it to keep the high priority filter 2521 continue; 2522 } 2523 Slog.w(TAG, "Protected action; cap priority to 0;" 2524 + " package: " + filter.activity.info.packageName 2525 + " activity: " + filter.activity.className 2526 + " origPrio: " + filter.getPriority()); 2527 filter.setPriority(0); 2528 } 2529 } 2530 mDeferProtectedFilters = false; 2531 mProtectedFilters.clear(); 2532 2533 // Now that we know all of the shared libraries, update all clients to have 2534 // the correct library paths. 2535 updateAllSharedLibrariesLPw(); 2536 2537 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2538 // NOTE: We ignore potential failures here during a system scan (like 2539 // the rest of the commands above) because there's precious little we 2540 // can do about it. A settings error is reported, though. 2541 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2542 } 2543 2544 // Now that we know all the packages we are keeping, 2545 // read and update their last usage times. 2546 mPackageUsage.read(mPackages); 2547 mCompilerStats.read(); 2548 2549 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2550 SystemClock.uptimeMillis()); 2551 Slog.i(TAG, "Time to scan packages: " 2552 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2553 + " seconds"); 2554 2555 // If the platform SDK has changed since the last time we booted, 2556 // we need to re-grant app permission to catch any new ones that 2557 // appear. This is really a hack, and means that apps can in some 2558 // cases get permissions that the user didn't initially explicitly 2559 // allow... it would be nice to have some better way to handle 2560 // this situation. 2561 int updateFlags = UPDATE_PERMISSIONS_ALL; 2562 if (ver.sdkVersion != mSdkVersion) { 2563 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2564 + mSdkVersion + "; regranting permissions for internal storage"); 2565 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2566 } 2567 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2568 ver.sdkVersion = mSdkVersion; 2569 2570 // If this is the first boot or an update from pre-M, and it is a normal 2571 // boot, then we need to initialize the default preferred apps across 2572 // all defined users. 2573 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2574 for (UserInfo user : sUserManager.getUsers(true)) { 2575 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2576 applyFactoryDefaultBrowserLPw(user.id); 2577 primeDomainVerificationsLPw(user.id); 2578 } 2579 } 2580 2581 // Prepare storage for system user really early during boot, 2582 // since core system apps like SettingsProvider and SystemUI 2583 // can't wait for user to start 2584 final int storageFlags; 2585 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2586 storageFlags = StorageManager.FLAG_STORAGE_DE; 2587 } else { 2588 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2589 } 2590 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2591 storageFlags, true /* migrateAppData */); 2592 2593 // If this is first boot after an OTA, and a normal boot, then 2594 // we need to clear code cache directories. 2595 // Note that we do *not* clear the application profiles. These remain valid 2596 // across OTAs and are used to drive profile verification (post OTA) and 2597 // profile compilation (without waiting to collect a fresh set of profiles). 2598 if (mIsUpgrade && !onlyCore) { 2599 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2600 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2601 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2602 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2603 // No apps are running this early, so no need to freeze 2604 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2605 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2606 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2607 } 2608 } 2609 ver.fingerprint = Build.FINGERPRINT; 2610 } 2611 2612 checkDefaultBrowser(); 2613 2614 // clear only after permissions and other defaults have been updated 2615 mExistingSystemPackages.clear(); 2616 mPromoteSystemApps = false; 2617 2618 // All the changes are done during package scanning. 2619 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2620 2621 // can downgrade to reader 2622 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2623 mSettings.writeLPr(); 2624 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2625 2626 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2627 // early on (before the package manager declares itself as early) because other 2628 // components in the system server might ask for package contexts for these apps. 2629 // 2630 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2631 // (i.e, that the data partition is unavailable). 2632 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2633 long start = System.nanoTime(); 2634 List<PackageParser.Package> coreApps = new ArrayList<>(); 2635 for (PackageParser.Package pkg : mPackages.values()) { 2636 if (pkg.coreApp) { 2637 coreApps.add(pkg); 2638 } 2639 } 2640 2641 int[] stats = performDexOptUpgrade(coreApps, false, 2642 getCompilerFilterForReason(REASON_CORE_APP)); 2643 2644 final int elapsedTimeSeconds = 2645 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2646 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2647 2648 if (DEBUG_DEXOPT) { 2649 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2650 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2651 } 2652 2653 2654 // TODO: Should we log these stats to tron too ? 2655 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2656 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2657 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2658 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2659 } 2660 2661 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2662 SystemClock.uptimeMillis()); 2663 2664 if (!mOnlyCore) { 2665 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2666 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2667 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2668 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2669 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2670 mIntentFilterVerifierComponent); 2671 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2672 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2673 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2674 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2675 } else { 2676 mRequiredVerifierPackage = null; 2677 mRequiredInstallerPackage = null; 2678 mRequiredUninstallerPackage = null; 2679 mIntentFilterVerifierComponent = null; 2680 mIntentFilterVerifier = null; 2681 mServicesSystemSharedLibraryPackageName = null; 2682 mSharedSystemSharedLibraryPackageName = null; 2683 } 2684 2685 mInstallerService = new PackageInstallerService(context, this); 2686 2687 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2688 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2689 // both the installer and resolver must be present to enable ephemeral 2690 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2691 if (DEBUG_EPHEMERAL) { 2692 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2693 + " installer:" + ephemeralInstallerComponent); 2694 } 2695 mEphemeralResolverComponent = ephemeralResolverComponent; 2696 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2697 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2698 mEphemeralResolverConnection = 2699 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2700 } else { 2701 if (DEBUG_EPHEMERAL) { 2702 final String missingComponent = 2703 (ephemeralResolverComponent == null) 2704 ? (ephemeralInstallerComponent == null) 2705 ? "resolver and installer" 2706 : "resolver" 2707 : "installer"; 2708 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2709 } 2710 mEphemeralResolverComponent = null; 2711 mEphemeralInstallerComponent = null; 2712 mEphemeralResolverConnection = null; 2713 } 2714 2715 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2716 } // synchronized (mPackages) 2717 } // synchronized (mInstallLock) 2718 2719 // Now after opening every single application zip, make sure they 2720 // are all flushed. Not really needed, but keeps things nice and 2721 // tidy. 2722 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2723 Runtime.getRuntime().gc(); 2724 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2725 2726 // The initial scanning above does many calls into installd while 2727 // holding the mPackages lock, but we're mostly interested in yelling 2728 // once we have a booted system. 2729 mInstaller.setWarnIfHeld(mPackages); 2730 2731 // Expose private service for system components to use. 2732 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2733 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2734 } 2735 2736 @Override 2737 public boolean isFirstBoot() { 2738 return mFirstBoot; 2739 } 2740 2741 @Override 2742 public boolean isOnlyCoreApps() { 2743 return mOnlyCore; 2744 } 2745 2746 @Override 2747 public boolean isUpgrade() { 2748 return mIsUpgrade; 2749 } 2750 2751 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2752 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2753 2754 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2755 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2756 UserHandle.USER_SYSTEM); 2757 if (matches.size() == 1) { 2758 return matches.get(0).getComponentInfo().packageName; 2759 } else if (matches.size() == 0) { 2760 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2761 return null; 2762 } 2763 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2764 } 2765 2766 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2767 synchronized (mPackages) { 2768 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2769 if (libraryEntry == null) { 2770 throw new IllegalStateException("Missing required shared library:" + libraryName); 2771 } 2772 return libraryEntry.apk; 2773 } 2774 } 2775 2776 private @NonNull String getRequiredInstallerLPr() { 2777 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2778 intent.addCategory(Intent.CATEGORY_DEFAULT); 2779 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2780 2781 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2782 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2783 UserHandle.USER_SYSTEM); 2784 if (matches.size() == 1) { 2785 ResolveInfo resolveInfo = matches.get(0); 2786 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2787 throw new RuntimeException("The installer must be a privileged app"); 2788 } 2789 return matches.get(0).getComponentInfo().packageName; 2790 } else { 2791 throw new RuntimeException("There must be exactly one installer; found " + matches); 2792 } 2793 } 2794 2795 private @NonNull String getRequiredUninstallerLPr() { 2796 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2797 intent.addCategory(Intent.CATEGORY_DEFAULT); 2798 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2799 2800 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2801 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2802 UserHandle.USER_SYSTEM); 2803 if (resolveInfo == null || 2804 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2805 throw new RuntimeException("There must be exactly one uninstaller; found " 2806 + resolveInfo); 2807 } 2808 return resolveInfo.getComponentInfo().packageName; 2809 } 2810 2811 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2812 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2813 2814 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2815 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2816 UserHandle.USER_SYSTEM); 2817 ResolveInfo best = null; 2818 final int N = matches.size(); 2819 for (int i = 0; i < N; i++) { 2820 final ResolveInfo cur = matches.get(i); 2821 final String packageName = cur.getComponentInfo().packageName; 2822 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2823 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2824 continue; 2825 } 2826 2827 if (best == null || cur.priority > best.priority) { 2828 best = cur; 2829 } 2830 } 2831 2832 if (best != null) { 2833 return best.getComponentInfo().getComponentName(); 2834 } else { 2835 throw new RuntimeException("There must be at least one intent filter verifier"); 2836 } 2837 } 2838 2839 private @Nullable ComponentName getEphemeralResolverLPr() { 2840 final String[] packageArray = 2841 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2842 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2843 if (DEBUG_EPHEMERAL) { 2844 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2845 } 2846 return null; 2847 } 2848 2849 final int resolveFlags = 2850 MATCH_DIRECT_BOOT_AWARE 2851 | MATCH_DIRECT_BOOT_UNAWARE 2852 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2853 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2854 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2855 resolveFlags, UserHandle.USER_SYSTEM); 2856 2857 final int N = resolvers.size(); 2858 if (N == 0) { 2859 if (DEBUG_EPHEMERAL) { 2860 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2861 } 2862 return null; 2863 } 2864 2865 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2866 for (int i = 0; i < N; i++) { 2867 final ResolveInfo info = resolvers.get(i); 2868 2869 if (info.serviceInfo == null) { 2870 continue; 2871 } 2872 2873 final String packageName = info.serviceInfo.packageName; 2874 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2875 if (DEBUG_EPHEMERAL) { 2876 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2877 + " pkg: " + packageName + ", info:" + info); 2878 } 2879 continue; 2880 } 2881 2882 if (DEBUG_EPHEMERAL) { 2883 Slog.v(TAG, "Ephemeral resolver found;" 2884 + " pkg: " + packageName + ", info:" + info); 2885 } 2886 return new ComponentName(packageName, info.serviceInfo.name); 2887 } 2888 if (DEBUG_EPHEMERAL) { 2889 Slog.v(TAG, "Ephemeral resolver NOT found"); 2890 } 2891 return null; 2892 } 2893 2894 private @Nullable ComponentName getEphemeralInstallerLPr() { 2895 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2896 intent.addCategory(Intent.CATEGORY_DEFAULT); 2897 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2898 2899 final int resolveFlags = 2900 MATCH_DIRECT_BOOT_AWARE 2901 | MATCH_DIRECT_BOOT_UNAWARE 2902 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2903 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2904 resolveFlags, UserHandle.USER_SYSTEM); 2905 if (matches.size() == 0) { 2906 return null; 2907 } else if (matches.size() == 1) { 2908 return matches.get(0).getComponentInfo().getComponentName(); 2909 } else { 2910 throw new RuntimeException( 2911 "There must be at most one ephemeral installer; found " + matches); 2912 } 2913 } 2914 2915 private void primeDomainVerificationsLPw(int userId) { 2916 if (DEBUG_DOMAIN_VERIFICATION) { 2917 Slog.d(TAG, "Priming domain verifications in user " + userId); 2918 } 2919 2920 SystemConfig systemConfig = SystemConfig.getInstance(); 2921 ArraySet<String> packages = systemConfig.getLinkedApps(); 2922 2923 for (String packageName : packages) { 2924 PackageParser.Package pkg = mPackages.get(packageName); 2925 if (pkg != null) { 2926 if (!pkg.isSystemApp()) { 2927 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2928 continue; 2929 } 2930 2931 ArraySet<String> domains = null; 2932 for (PackageParser.Activity a : pkg.activities) { 2933 for (ActivityIntentInfo filter : a.intents) { 2934 if (hasValidDomains(filter)) { 2935 if (domains == null) { 2936 domains = new ArraySet<String>(); 2937 } 2938 domains.addAll(filter.getHostsList()); 2939 } 2940 } 2941 } 2942 2943 if (domains != null && domains.size() > 0) { 2944 if (DEBUG_DOMAIN_VERIFICATION) { 2945 Slog.v(TAG, " + " + packageName); 2946 } 2947 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2948 // state w.r.t. the formal app-linkage "no verification attempted" state; 2949 // and then 'always' in the per-user state actually used for intent resolution. 2950 final IntentFilterVerificationInfo ivi; 2951 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 2952 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2953 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2954 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2955 } else { 2956 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2957 + "' does not handle web links"); 2958 } 2959 } else { 2960 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2961 } 2962 } 2963 2964 scheduleWritePackageRestrictionsLocked(userId); 2965 scheduleWriteSettingsLocked(); 2966 } 2967 2968 private void applyFactoryDefaultBrowserLPw(int userId) { 2969 // The default browser app's package name is stored in a string resource, 2970 // with a product-specific overlay used for vendor customization. 2971 String browserPkg = mContext.getResources().getString( 2972 com.android.internal.R.string.default_browser); 2973 if (!TextUtils.isEmpty(browserPkg)) { 2974 // non-empty string => required to be a known package 2975 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2976 if (ps == null) { 2977 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2978 browserPkg = null; 2979 } else { 2980 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2981 } 2982 } 2983 2984 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2985 // default. If there's more than one, just leave everything alone. 2986 if (browserPkg == null) { 2987 calculateDefaultBrowserLPw(userId); 2988 } 2989 } 2990 2991 private void calculateDefaultBrowserLPw(int userId) { 2992 List<String> allBrowsers = resolveAllBrowserApps(userId); 2993 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2994 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2995 } 2996 2997 private List<String> resolveAllBrowserApps(int userId) { 2998 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2999 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3000 PackageManager.MATCH_ALL, userId); 3001 3002 final int count = list.size(); 3003 List<String> result = new ArrayList<String>(count); 3004 for (int i=0; i<count; i++) { 3005 ResolveInfo info = list.get(i); 3006 if (info.activityInfo == null 3007 || !info.handleAllWebDataURI 3008 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3009 || result.contains(info.activityInfo.packageName)) { 3010 continue; 3011 } 3012 result.add(info.activityInfo.packageName); 3013 } 3014 3015 return result; 3016 } 3017 3018 private boolean packageIsBrowser(String packageName, int userId) { 3019 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3020 PackageManager.MATCH_ALL, userId); 3021 final int N = list.size(); 3022 for (int i = 0; i < N; i++) { 3023 ResolveInfo info = list.get(i); 3024 if (packageName.equals(info.activityInfo.packageName)) { 3025 return true; 3026 } 3027 } 3028 return false; 3029 } 3030 3031 private void checkDefaultBrowser() { 3032 final int myUserId = UserHandle.myUserId(); 3033 final String packageName = getDefaultBrowserPackageName(myUserId); 3034 if (packageName != null) { 3035 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3036 if (info == null) { 3037 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3038 synchronized (mPackages) { 3039 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3040 } 3041 } 3042 } 3043 } 3044 3045 @Override 3046 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3047 throws RemoteException { 3048 try { 3049 return super.onTransact(code, data, reply, flags); 3050 } catch (RuntimeException e) { 3051 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3052 Slog.wtf(TAG, "Package Manager Crash", e); 3053 } 3054 throw e; 3055 } 3056 } 3057 3058 static int[] appendInts(int[] cur, int[] add) { 3059 if (add == null) return cur; 3060 if (cur == null) return add; 3061 final int N = add.length; 3062 for (int i=0; i<N; i++) { 3063 cur = appendInt(cur, add[i]); 3064 } 3065 return cur; 3066 } 3067 3068 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3069 if (!sUserManager.exists(userId)) return null; 3070 if (ps == null) { 3071 return null; 3072 } 3073 final PackageParser.Package p = ps.pkg; 3074 if (p == null) { 3075 return null; 3076 } 3077 3078 final PermissionsState permissionsState = ps.getPermissionsState(); 3079 3080 // Compute GIDs only if requested 3081 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3082 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3083 // Compute granted permissions only if package has requested permissions 3084 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3085 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3086 final PackageUserState state = ps.readUserState(userId); 3087 3088 return PackageParser.generatePackageInfo(p, gids, flags, 3089 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3090 } 3091 3092 @Override 3093 public void checkPackageStartable(String packageName, int userId) { 3094 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3095 3096 synchronized (mPackages) { 3097 final PackageSetting ps = mSettings.mPackages.get(packageName); 3098 if (ps == null) { 3099 throw new SecurityException("Package " + packageName + " was not found!"); 3100 } 3101 3102 if (!ps.getInstalled(userId)) { 3103 throw new SecurityException( 3104 "Package " + packageName + " was not installed for user " + userId + "!"); 3105 } 3106 3107 if (mSafeMode && !ps.isSystem()) { 3108 throw new SecurityException("Package " + packageName + " not a system app!"); 3109 } 3110 3111 if (mFrozenPackages.contains(packageName)) { 3112 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3113 } 3114 3115 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3116 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3117 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3118 } 3119 } 3120 } 3121 3122 @Override 3123 public boolean isPackageAvailable(String packageName, int userId) { 3124 if (!sUserManager.exists(userId)) return false; 3125 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3126 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3127 synchronized (mPackages) { 3128 PackageParser.Package p = mPackages.get(packageName); 3129 if (p != null) { 3130 final PackageSetting ps = (PackageSetting) p.mExtras; 3131 if (ps != null) { 3132 final PackageUserState state = ps.readUserState(userId); 3133 if (state != null) { 3134 return PackageParser.isAvailable(state); 3135 } 3136 } 3137 } 3138 } 3139 return false; 3140 } 3141 3142 @Override 3143 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3144 if (!sUserManager.exists(userId)) return null; 3145 flags = updateFlagsForPackage(flags, userId, packageName); 3146 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3147 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3148 // reader 3149 synchronized (mPackages) { 3150 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3151 PackageParser.Package p = null; 3152 if (matchFactoryOnly) { 3153 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3154 if (ps != null) { 3155 return generatePackageInfo(ps, flags, userId); 3156 } 3157 } 3158 if (p == null) { 3159 p = mPackages.get(packageName); 3160 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3161 return null; 3162 } 3163 } 3164 if (DEBUG_PACKAGE_INFO) 3165 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3166 if (p != null) { 3167 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3168 } 3169 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3170 final PackageSetting ps = mSettings.mPackages.get(packageName); 3171 return generatePackageInfo(ps, flags, userId); 3172 } 3173 } 3174 return null; 3175 } 3176 3177 @Override 3178 public String[] currentToCanonicalPackageNames(String[] names) { 3179 String[] out = new String[names.length]; 3180 // reader 3181 synchronized (mPackages) { 3182 for (int i=names.length-1; i>=0; i--) { 3183 PackageSetting ps = mSettings.mPackages.get(names[i]); 3184 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3185 } 3186 } 3187 return out; 3188 } 3189 3190 @Override 3191 public String[] canonicalToCurrentPackageNames(String[] names) { 3192 String[] out = new String[names.length]; 3193 // reader 3194 synchronized (mPackages) { 3195 for (int i=names.length-1; i>=0; i--) { 3196 String cur = mSettings.getRenamedPackageLPr(names[i]); 3197 out[i] = cur != null ? cur : names[i]; 3198 } 3199 } 3200 return out; 3201 } 3202 3203 @Override 3204 public int getPackageUid(String packageName, int flags, int userId) { 3205 if (!sUserManager.exists(userId)) return -1; 3206 flags = updateFlagsForPackage(flags, userId, packageName); 3207 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3208 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3209 3210 // reader 3211 synchronized (mPackages) { 3212 final PackageParser.Package p = mPackages.get(packageName); 3213 if (p != null && p.isMatch(flags)) { 3214 return UserHandle.getUid(userId, p.applicationInfo.uid); 3215 } 3216 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3217 final PackageSetting ps = mSettings.mPackages.get(packageName); 3218 if (ps != null && ps.isMatch(flags)) { 3219 return UserHandle.getUid(userId, ps.appId); 3220 } 3221 } 3222 } 3223 3224 return -1; 3225 } 3226 3227 @Override 3228 public int[] getPackageGids(String packageName, int flags, int userId) { 3229 if (!sUserManager.exists(userId)) return null; 3230 flags = updateFlagsForPackage(flags, userId, packageName); 3231 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3232 false /* requireFullPermission */, false /* checkShell */, 3233 "getPackageGids"); 3234 3235 // reader 3236 synchronized (mPackages) { 3237 final PackageParser.Package p = mPackages.get(packageName); 3238 if (p != null && p.isMatch(flags)) { 3239 PackageSetting ps = (PackageSetting) p.mExtras; 3240 return ps.getPermissionsState().computeGids(userId); 3241 } 3242 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3243 final PackageSetting ps = mSettings.mPackages.get(packageName); 3244 if (ps != null && ps.isMatch(flags)) { 3245 return ps.getPermissionsState().computeGids(userId); 3246 } 3247 } 3248 } 3249 3250 return null; 3251 } 3252 3253 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3254 if (bp.perm != null) { 3255 return PackageParser.generatePermissionInfo(bp.perm, flags); 3256 } 3257 PermissionInfo pi = new PermissionInfo(); 3258 pi.name = bp.name; 3259 pi.packageName = bp.sourcePackage; 3260 pi.nonLocalizedLabel = bp.name; 3261 pi.protectionLevel = bp.protectionLevel; 3262 return pi; 3263 } 3264 3265 @Override 3266 public PermissionInfo getPermissionInfo(String name, int flags) { 3267 // reader 3268 synchronized (mPackages) { 3269 final BasePermission p = mSettings.mPermissions.get(name); 3270 if (p != null) { 3271 return generatePermissionInfo(p, flags); 3272 } 3273 return null; 3274 } 3275 } 3276 3277 @Override 3278 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3279 int flags) { 3280 // reader 3281 synchronized (mPackages) { 3282 if (group != null && !mPermissionGroups.containsKey(group)) { 3283 // This is thrown as NameNotFoundException 3284 return null; 3285 } 3286 3287 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3288 for (BasePermission p : mSettings.mPermissions.values()) { 3289 if (group == null) { 3290 if (p.perm == null || p.perm.info.group == null) { 3291 out.add(generatePermissionInfo(p, flags)); 3292 } 3293 } else { 3294 if (p.perm != null && group.equals(p.perm.info.group)) { 3295 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3296 } 3297 } 3298 } 3299 return new ParceledListSlice<>(out); 3300 } 3301 } 3302 3303 @Override 3304 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3305 // reader 3306 synchronized (mPackages) { 3307 return PackageParser.generatePermissionGroupInfo( 3308 mPermissionGroups.get(name), flags); 3309 } 3310 } 3311 3312 @Override 3313 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3314 // reader 3315 synchronized (mPackages) { 3316 final int N = mPermissionGroups.size(); 3317 ArrayList<PermissionGroupInfo> out 3318 = new ArrayList<PermissionGroupInfo>(N); 3319 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3320 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3321 } 3322 return new ParceledListSlice<>(out); 3323 } 3324 } 3325 3326 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3327 int userId) { 3328 if (!sUserManager.exists(userId)) return null; 3329 PackageSetting ps = mSettings.mPackages.get(packageName); 3330 if (ps != null) { 3331 if (ps.pkg == null) { 3332 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3333 if (pInfo != null) { 3334 return pInfo.applicationInfo; 3335 } 3336 return null; 3337 } 3338 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3339 ps.readUserState(userId), userId); 3340 } 3341 return null; 3342 } 3343 3344 @Override 3345 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3346 if (!sUserManager.exists(userId)) return null; 3347 flags = updateFlagsForApplication(flags, userId, packageName); 3348 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3349 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3350 // writer 3351 synchronized (mPackages) { 3352 PackageParser.Package p = mPackages.get(packageName); 3353 if (DEBUG_PACKAGE_INFO) Log.v( 3354 TAG, "getApplicationInfo " + packageName 3355 + ": " + p); 3356 if (p != null) { 3357 PackageSetting ps = mSettings.mPackages.get(packageName); 3358 if (ps == null) return null; 3359 // Note: isEnabledLP() does not apply here - always return info 3360 return PackageParser.generateApplicationInfo( 3361 p, flags, ps.readUserState(userId), userId); 3362 } 3363 if ("android".equals(packageName)||"system".equals(packageName)) { 3364 return mAndroidApplication; 3365 } 3366 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3367 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3368 } 3369 } 3370 return null; 3371 } 3372 3373 @Override 3374 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3375 final IPackageDataObserver observer) { 3376 mContext.enforceCallingOrSelfPermission( 3377 android.Manifest.permission.CLEAR_APP_CACHE, null); 3378 // Queue up an async operation since clearing cache may take a little while. 3379 mHandler.post(new Runnable() { 3380 public void run() { 3381 mHandler.removeCallbacks(this); 3382 boolean success = true; 3383 synchronized (mInstallLock) { 3384 try { 3385 mInstaller.freeCache(volumeUuid, freeStorageSize); 3386 } catch (InstallerException e) { 3387 Slog.w(TAG, "Couldn't clear application caches: " + e); 3388 success = false; 3389 } 3390 } 3391 if (observer != null) { 3392 try { 3393 observer.onRemoveCompleted(null, success); 3394 } catch (RemoteException e) { 3395 Slog.w(TAG, "RemoveException when invoking call back"); 3396 } 3397 } 3398 } 3399 }); 3400 } 3401 3402 @Override 3403 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3404 final IntentSender pi) { 3405 mContext.enforceCallingOrSelfPermission( 3406 android.Manifest.permission.CLEAR_APP_CACHE, null); 3407 // Queue up an async operation since clearing cache may take a little while. 3408 mHandler.post(new Runnable() { 3409 public void run() { 3410 mHandler.removeCallbacks(this); 3411 boolean success = true; 3412 synchronized (mInstallLock) { 3413 try { 3414 mInstaller.freeCache(volumeUuid, freeStorageSize); 3415 } catch (InstallerException e) { 3416 Slog.w(TAG, "Couldn't clear application caches: " + e); 3417 success = false; 3418 } 3419 } 3420 if(pi != null) { 3421 try { 3422 // Callback via pending intent 3423 int code = success ? 1 : 0; 3424 pi.sendIntent(null, code, null, 3425 null, null); 3426 } catch (SendIntentException e1) { 3427 Slog.i(TAG, "Failed to send pending intent"); 3428 } 3429 } 3430 } 3431 }); 3432 } 3433 3434 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3435 synchronized (mInstallLock) { 3436 try { 3437 mInstaller.freeCache(volumeUuid, freeStorageSize); 3438 } catch (InstallerException e) { 3439 throw new IOException("Failed to free enough space", e); 3440 } 3441 } 3442 } 3443 3444 /** 3445 * Update given flags based on encryption status of current user. 3446 */ 3447 private int updateFlags(int flags, int userId) { 3448 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3449 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3450 // Caller expressed an explicit opinion about what encryption 3451 // aware/unaware components they want to see, so fall through and 3452 // give them what they want 3453 } else { 3454 // Caller expressed no opinion, so match based on user state 3455 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3456 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3457 } else { 3458 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3459 } 3460 } 3461 return flags; 3462 } 3463 3464 private UserManagerInternal getUserManagerInternal() { 3465 if (mUserManagerInternal == null) { 3466 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3467 } 3468 return mUserManagerInternal; 3469 } 3470 3471 /** 3472 * Update given flags when being used to request {@link PackageInfo}. 3473 */ 3474 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3475 boolean triaged = true; 3476 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3477 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3478 // Caller is asking for component details, so they'd better be 3479 // asking for specific encryption matching behavior, or be triaged 3480 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3481 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3482 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3483 triaged = false; 3484 } 3485 } 3486 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3487 | PackageManager.MATCH_SYSTEM_ONLY 3488 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3489 triaged = false; 3490 } 3491 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3492 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3493 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3494 } 3495 return updateFlags(flags, userId); 3496 } 3497 3498 /** 3499 * Update given flags when being used to request {@link ApplicationInfo}. 3500 */ 3501 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3502 return updateFlagsForPackage(flags, userId, cookie); 3503 } 3504 3505 /** 3506 * Update given flags when being used to request {@link ComponentInfo}. 3507 */ 3508 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3509 if (cookie instanceof Intent) { 3510 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3511 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3512 } 3513 } 3514 3515 boolean triaged = true; 3516 // Caller is asking for component details, so they'd better be 3517 // asking for specific encryption matching behavior, or be triaged 3518 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3519 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3520 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3521 triaged = false; 3522 } 3523 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3524 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3525 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3526 } 3527 3528 return updateFlags(flags, userId); 3529 } 3530 3531 /** 3532 * Update given flags when being used to request {@link ResolveInfo}. 3533 */ 3534 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3535 // Safe mode means we shouldn't match any third-party components 3536 if (mSafeMode) { 3537 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3538 } 3539 3540 return updateFlagsForComponent(flags, userId, cookie); 3541 } 3542 3543 @Override 3544 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3545 if (!sUserManager.exists(userId)) return null; 3546 flags = updateFlagsForComponent(flags, userId, component); 3547 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3548 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3549 synchronized (mPackages) { 3550 PackageParser.Activity a = mActivities.mActivities.get(component); 3551 3552 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3553 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3554 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3555 if (ps == null) return null; 3556 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3557 userId); 3558 } 3559 if (mResolveComponentName.equals(component)) { 3560 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3561 new PackageUserState(), userId); 3562 } 3563 } 3564 return null; 3565 } 3566 3567 @Override 3568 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3569 String resolvedType) { 3570 synchronized (mPackages) { 3571 if (component.equals(mResolveComponentName)) { 3572 // The resolver supports EVERYTHING! 3573 return true; 3574 } 3575 PackageParser.Activity a = mActivities.mActivities.get(component); 3576 if (a == null) { 3577 return false; 3578 } 3579 for (int i=0; i<a.intents.size(); i++) { 3580 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3581 intent.getData(), intent.getCategories(), TAG) >= 0) { 3582 return true; 3583 } 3584 } 3585 return false; 3586 } 3587 } 3588 3589 @Override 3590 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3591 if (!sUserManager.exists(userId)) return null; 3592 flags = updateFlagsForComponent(flags, userId, component); 3593 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3594 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3595 synchronized (mPackages) { 3596 PackageParser.Activity a = mReceivers.mActivities.get(component); 3597 if (DEBUG_PACKAGE_INFO) Log.v( 3598 TAG, "getReceiverInfo " + component + ": " + a); 3599 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3600 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3601 if (ps == null) return null; 3602 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3603 userId); 3604 } 3605 } 3606 return null; 3607 } 3608 3609 @Override 3610 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3611 if (!sUserManager.exists(userId)) return null; 3612 flags = updateFlagsForComponent(flags, userId, component); 3613 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3614 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3615 synchronized (mPackages) { 3616 PackageParser.Service s = mServices.mServices.get(component); 3617 if (DEBUG_PACKAGE_INFO) Log.v( 3618 TAG, "getServiceInfo " + component + ": " + s); 3619 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3620 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3621 if (ps == null) return null; 3622 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3623 userId); 3624 } 3625 } 3626 return null; 3627 } 3628 3629 @Override 3630 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3631 if (!sUserManager.exists(userId)) return null; 3632 flags = updateFlagsForComponent(flags, userId, component); 3633 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3634 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3635 synchronized (mPackages) { 3636 PackageParser.Provider p = mProviders.mProviders.get(component); 3637 if (DEBUG_PACKAGE_INFO) Log.v( 3638 TAG, "getProviderInfo " + component + ": " + p); 3639 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3640 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3641 if (ps == null) return null; 3642 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3643 userId); 3644 } 3645 } 3646 return null; 3647 } 3648 3649 @Override 3650 public String[] getSystemSharedLibraryNames() { 3651 Set<String> libSet; 3652 synchronized (mPackages) { 3653 libSet = mSharedLibraries.keySet(); 3654 int size = libSet.size(); 3655 if (size > 0) { 3656 String[] libs = new String[size]; 3657 libSet.toArray(libs); 3658 return libs; 3659 } 3660 } 3661 return null; 3662 } 3663 3664 @Override 3665 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3666 synchronized (mPackages) { 3667 return mServicesSystemSharedLibraryPackageName; 3668 } 3669 } 3670 3671 @Override 3672 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3673 synchronized (mPackages) { 3674 return mSharedSystemSharedLibraryPackageName; 3675 } 3676 } 3677 3678 @Override 3679 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3680 synchronized (mPackages) { 3681 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3682 3683 final FeatureInfo fi = new FeatureInfo(); 3684 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3685 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3686 res.add(fi); 3687 3688 return new ParceledListSlice<>(res); 3689 } 3690 } 3691 3692 @Override 3693 public boolean hasSystemFeature(String name, int version) { 3694 synchronized (mPackages) { 3695 final FeatureInfo feat = mAvailableFeatures.get(name); 3696 if (feat == null) { 3697 return false; 3698 } else { 3699 return feat.version >= version; 3700 } 3701 } 3702 } 3703 3704 @Override 3705 public int checkPermission(String permName, String pkgName, int userId) { 3706 if (!sUserManager.exists(userId)) { 3707 return PackageManager.PERMISSION_DENIED; 3708 } 3709 3710 synchronized (mPackages) { 3711 final PackageParser.Package p = mPackages.get(pkgName); 3712 if (p != null && p.mExtras != null) { 3713 final PackageSetting ps = (PackageSetting) p.mExtras; 3714 final PermissionsState permissionsState = ps.getPermissionsState(); 3715 if (permissionsState.hasPermission(permName, userId)) { 3716 return PackageManager.PERMISSION_GRANTED; 3717 } 3718 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3719 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3720 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3721 return PackageManager.PERMISSION_GRANTED; 3722 } 3723 } 3724 } 3725 3726 return PackageManager.PERMISSION_DENIED; 3727 } 3728 3729 @Override 3730 public int checkUidPermission(String permName, int uid) { 3731 final int userId = UserHandle.getUserId(uid); 3732 3733 if (!sUserManager.exists(userId)) { 3734 return PackageManager.PERMISSION_DENIED; 3735 } 3736 3737 synchronized (mPackages) { 3738 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3739 if (obj != null) { 3740 final SettingBase ps = (SettingBase) obj; 3741 final PermissionsState permissionsState = ps.getPermissionsState(); 3742 if (permissionsState.hasPermission(permName, userId)) { 3743 return PackageManager.PERMISSION_GRANTED; 3744 } 3745 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3746 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3747 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3748 return PackageManager.PERMISSION_GRANTED; 3749 } 3750 } else { 3751 ArraySet<String> perms = mSystemPermissions.get(uid); 3752 if (perms != null) { 3753 if (perms.contains(permName)) { 3754 return PackageManager.PERMISSION_GRANTED; 3755 } 3756 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3757 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3758 return PackageManager.PERMISSION_GRANTED; 3759 } 3760 } 3761 } 3762 } 3763 3764 return PackageManager.PERMISSION_DENIED; 3765 } 3766 3767 @Override 3768 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3769 if (UserHandle.getCallingUserId() != userId) { 3770 mContext.enforceCallingPermission( 3771 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3772 "isPermissionRevokedByPolicy for user " + userId); 3773 } 3774 3775 if (checkPermission(permission, packageName, userId) 3776 == PackageManager.PERMISSION_GRANTED) { 3777 return false; 3778 } 3779 3780 final long identity = Binder.clearCallingIdentity(); 3781 try { 3782 final int flags = getPermissionFlags(permission, packageName, userId); 3783 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3784 } finally { 3785 Binder.restoreCallingIdentity(identity); 3786 } 3787 } 3788 3789 @Override 3790 public String getPermissionControllerPackageName() { 3791 synchronized (mPackages) { 3792 return mRequiredInstallerPackage; 3793 } 3794 } 3795 3796 /** 3797 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3798 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3799 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3800 * @param message the message to log on security exception 3801 */ 3802 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3803 boolean checkShell, String message) { 3804 if (userId < 0) { 3805 throw new IllegalArgumentException("Invalid userId " + userId); 3806 } 3807 if (checkShell) { 3808 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3809 } 3810 if (userId == UserHandle.getUserId(callingUid)) return; 3811 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3812 if (requireFullPermission) { 3813 mContext.enforceCallingOrSelfPermission( 3814 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3815 } else { 3816 try { 3817 mContext.enforceCallingOrSelfPermission( 3818 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3819 } catch (SecurityException se) { 3820 mContext.enforceCallingOrSelfPermission( 3821 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3822 } 3823 } 3824 } 3825 } 3826 3827 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3828 if (callingUid == Process.SHELL_UID) { 3829 if (userHandle >= 0 3830 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3831 throw new SecurityException("Shell does not have permission to access user " 3832 + userHandle); 3833 } else if (userHandle < 0) { 3834 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3835 + Debug.getCallers(3)); 3836 } 3837 } 3838 } 3839 3840 private BasePermission findPermissionTreeLP(String permName) { 3841 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3842 if (permName.startsWith(bp.name) && 3843 permName.length() > bp.name.length() && 3844 permName.charAt(bp.name.length()) == '.') { 3845 return bp; 3846 } 3847 } 3848 return null; 3849 } 3850 3851 private BasePermission checkPermissionTreeLP(String permName) { 3852 if (permName != null) { 3853 BasePermission bp = findPermissionTreeLP(permName); 3854 if (bp != null) { 3855 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3856 return bp; 3857 } 3858 throw new SecurityException("Calling uid " 3859 + Binder.getCallingUid() 3860 + " is not allowed to add to permission tree " 3861 + bp.name + " owned by uid " + bp.uid); 3862 } 3863 } 3864 throw new SecurityException("No permission tree found for " + permName); 3865 } 3866 3867 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3868 if (s1 == null) { 3869 return s2 == null; 3870 } 3871 if (s2 == null) { 3872 return false; 3873 } 3874 if (s1.getClass() != s2.getClass()) { 3875 return false; 3876 } 3877 return s1.equals(s2); 3878 } 3879 3880 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3881 if (pi1.icon != pi2.icon) return false; 3882 if (pi1.logo != pi2.logo) return false; 3883 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3884 if (!compareStrings(pi1.name, pi2.name)) return false; 3885 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3886 // We'll take care of setting this one. 3887 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3888 // These are not currently stored in settings. 3889 //if (!compareStrings(pi1.group, pi2.group)) return false; 3890 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3891 //if (pi1.labelRes != pi2.labelRes) return false; 3892 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3893 return true; 3894 } 3895 3896 int permissionInfoFootprint(PermissionInfo info) { 3897 int size = info.name.length(); 3898 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3899 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3900 return size; 3901 } 3902 3903 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3904 int size = 0; 3905 for (BasePermission perm : mSettings.mPermissions.values()) { 3906 if (perm.uid == tree.uid) { 3907 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3908 } 3909 } 3910 return size; 3911 } 3912 3913 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3914 // We calculate the max size of permissions defined by this uid and throw 3915 // if that plus the size of 'info' would exceed our stated maximum. 3916 if (tree.uid != Process.SYSTEM_UID) { 3917 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3918 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3919 throw new SecurityException("Permission tree size cap exceeded"); 3920 } 3921 } 3922 } 3923 3924 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3925 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3926 throw new SecurityException("Label must be specified in permission"); 3927 } 3928 BasePermission tree = checkPermissionTreeLP(info.name); 3929 BasePermission bp = mSettings.mPermissions.get(info.name); 3930 boolean added = bp == null; 3931 boolean changed = true; 3932 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3933 if (added) { 3934 enforcePermissionCapLocked(info, tree); 3935 bp = new BasePermission(info.name, tree.sourcePackage, 3936 BasePermission.TYPE_DYNAMIC); 3937 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3938 throw new SecurityException( 3939 "Not allowed to modify non-dynamic permission " 3940 + info.name); 3941 } else { 3942 if (bp.protectionLevel == fixedLevel 3943 && bp.perm.owner.equals(tree.perm.owner) 3944 && bp.uid == tree.uid 3945 && comparePermissionInfos(bp.perm.info, info)) { 3946 changed = false; 3947 } 3948 } 3949 bp.protectionLevel = fixedLevel; 3950 info = new PermissionInfo(info); 3951 info.protectionLevel = fixedLevel; 3952 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3953 bp.perm.info.packageName = tree.perm.info.packageName; 3954 bp.uid = tree.uid; 3955 if (added) { 3956 mSettings.mPermissions.put(info.name, bp); 3957 } 3958 if (changed) { 3959 if (!async) { 3960 mSettings.writeLPr(); 3961 } else { 3962 scheduleWriteSettingsLocked(); 3963 } 3964 } 3965 return added; 3966 } 3967 3968 @Override 3969 public boolean addPermission(PermissionInfo info) { 3970 synchronized (mPackages) { 3971 return addPermissionLocked(info, false); 3972 } 3973 } 3974 3975 @Override 3976 public boolean addPermissionAsync(PermissionInfo info) { 3977 synchronized (mPackages) { 3978 return addPermissionLocked(info, true); 3979 } 3980 } 3981 3982 @Override 3983 public void removePermission(String name) { 3984 synchronized (mPackages) { 3985 checkPermissionTreeLP(name); 3986 BasePermission bp = mSettings.mPermissions.get(name); 3987 if (bp != null) { 3988 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3989 throw new SecurityException( 3990 "Not allowed to modify non-dynamic permission " 3991 + name); 3992 } 3993 mSettings.mPermissions.remove(name); 3994 mSettings.writeLPr(); 3995 } 3996 } 3997 } 3998 3999 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4000 BasePermission bp) { 4001 int index = pkg.requestedPermissions.indexOf(bp.name); 4002 if (index == -1) { 4003 throw new SecurityException("Package " + pkg.packageName 4004 + " has not requested permission " + bp.name); 4005 } 4006 if (!bp.isRuntime() && !bp.isDevelopment()) { 4007 throw new SecurityException("Permission " + bp.name 4008 + " is not a changeable permission type"); 4009 } 4010 } 4011 4012 @Override 4013 public void grantRuntimePermission(String packageName, String name, final int userId) { 4014 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4015 } 4016 4017 private void grantRuntimePermission(String packageName, String name, final int userId, 4018 boolean overridePolicy) { 4019 if (!sUserManager.exists(userId)) { 4020 Log.e(TAG, "No such user:" + userId); 4021 return; 4022 } 4023 4024 mContext.enforceCallingOrSelfPermission( 4025 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4026 "grantRuntimePermission"); 4027 4028 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4029 true /* requireFullPermission */, true /* checkShell */, 4030 "grantRuntimePermission"); 4031 4032 final int uid; 4033 final SettingBase sb; 4034 4035 synchronized (mPackages) { 4036 final PackageParser.Package pkg = mPackages.get(packageName); 4037 if (pkg == null) { 4038 throw new IllegalArgumentException("Unknown package: " + packageName); 4039 } 4040 4041 final BasePermission bp = mSettings.mPermissions.get(name); 4042 if (bp == null) { 4043 throw new IllegalArgumentException("Unknown permission: " + name); 4044 } 4045 4046 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4047 4048 // If a permission review is required for legacy apps we represent 4049 // their permissions as always granted runtime ones since we need 4050 // to keep the review required permission flag per user while an 4051 // install permission's state is shared across all users. 4052 if (mPermissionReviewRequired 4053 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4054 && bp.isRuntime()) { 4055 return; 4056 } 4057 4058 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4059 sb = (SettingBase) pkg.mExtras; 4060 if (sb == null) { 4061 throw new IllegalArgumentException("Unknown package: " + packageName); 4062 } 4063 4064 final PermissionsState permissionsState = sb.getPermissionsState(); 4065 4066 final int flags = permissionsState.getPermissionFlags(name, userId); 4067 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4068 throw new SecurityException("Cannot grant system fixed permission " 4069 + name + " for package " + packageName); 4070 } 4071 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4072 throw new SecurityException("Cannot grant policy fixed permission " 4073 + name + " for package " + packageName); 4074 } 4075 4076 if (bp.isDevelopment()) { 4077 // Development permissions must be handled specially, since they are not 4078 // normal runtime permissions. For now they apply to all users. 4079 if (permissionsState.grantInstallPermission(bp) != 4080 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4081 scheduleWriteSettingsLocked(); 4082 } 4083 return; 4084 } 4085 4086 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4087 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4088 return; 4089 } 4090 4091 final int result = permissionsState.grantRuntimePermission(bp, userId); 4092 switch (result) { 4093 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4094 return; 4095 } 4096 4097 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4098 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4099 mHandler.post(new Runnable() { 4100 @Override 4101 public void run() { 4102 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4103 } 4104 }); 4105 } 4106 break; 4107 } 4108 4109 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4110 4111 // Not critical if that is lost - app has to request again. 4112 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4113 } 4114 4115 // Only need to do this if user is initialized. Otherwise it's a new user 4116 // and there are no processes running as the user yet and there's no need 4117 // to make an expensive call to remount processes for the changed permissions. 4118 if (READ_EXTERNAL_STORAGE.equals(name) 4119 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4120 final long token = Binder.clearCallingIdentity(); 4121 try { 4122 if (sUserManager.isInitialized(userId)) { 4123 MountServiceInternal mountServiceInternal = LocalServices.getService( 4124 MountServiceInternal.class); 4125 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4126 } 4127 } finally { 4128 Binder.restoreCallingIdentity(token); 4129 } 4130 } 4131 } 4132 4133 @Override 4134 public void revokeRuntimePermission(String packageName, String name, int userId) { 4135 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4136 } 4137 4138 private void revokeRuntimePermission(String packageName, String name, int userId, 4139 boolean overridePolicy) { 4140 if (!sUserManager.exists(userId)) { 4141 Log.e(TAG, "No such user:" + userId); 4142 return; 4143 } 4144 4145 mContext.enforceCallingOrSelfPermission( 4146 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4147 "revokeRuntimePermission"); 4148 4149 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4150 true /* requireFullPermission */, true /* checkShell */, 4151 "revokeRuntimePermission"); 4152 4153 final int appId; 4154 4155 synchronized (mPackages) { 4156 final PackageParser.Package pkg = mPackages.get(packageName); 4157 if (pkg == null) { 4158 throw new IllegalArgumentException("Unknown package: " + packageName); 4159 } 4160 4161 final BasePermission bp = mSettings.mPermissions.get(name); 4162 if (bp == null) { 4163 throw new IllegalArgumentException("Unknown permission: " + name); 4164 } 4165 4166 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4167 4168 // If a permission review is required for legacy apps we represent 4169 // their permissions as always granted runtime ones since we need 4170 // to keep the review required permission flag per user while an 4171 // install permission's state is shared across all users. 4172 if (mPermissionReviewRequired 4173 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4174 && bp.isRuntime()) { 4175 return; 4176 } 4177 4178 SettingBase sb = (SettingBase) pkg.mExtras; 4179 if (sb == null) { 4180 throw new IllegalArgumentException("Unknown package: " + packageName); 4181 } 4182 4183 final PermissionsState permissionsState = sb.getPermissionsState(); 4184 4185 final int flags = permissionsState.getPermissionFlags(name, userId); 4186 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4187 throw new SecurityException("Cannot revoke system fixed permission " 4188 + name + " for package " + packageName); 4189 } 4190 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4191 throw new SecurityException("Cannot revoke policy fixed permission " 4192 + name + " for package " + packageName); 4193 } 4194 4195 if (bp.isDevelopment()) { 4196 // Development permissions must be handled specially, since they are not 4197 // normal runtime permissions. For now they apply to all users. 4198 if (permissionsState.revokeInstallPermission(bp) != 4199 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4200 scheduleWriteSettingsLocked(); 4201 } 4202 return; 4203 } 4204 4205 if (permissionsState.revokeRuntimePermission(bp, userId) == 4206 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4207 return; 4208 } 4209 4210 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4211 4212 // Critical, after this call app should never have the permission. 4213 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4214 4215 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4216 } 4217 4218 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4219 } 4220 4221 @Override 4222 public void resetRuntimePermissions() { 4223 mContext.enforceCallingOrSelfPermission( 4224 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4225 "revokeRuntimePermission"); 4226 4227 int callingUid = Binder.getCallingUid(); 4228 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4229 mContext.enforceCallingOrSelfPermission( 4230 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4231 "resetRuntimePermissions"); 4232 } 4233 4234 synchronized (mPackages) { 4235 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4236 for (int userId : UserManagerService.getInstance().getUserIds()) { 4237 final int packageCount = mPackages.size(); 4238 for (int i = 0; i < packageCount; i++) { 4239 PackageParser.Package pkg = mPackages.valueAt(i); 4240 if (!(pkg.mExtras instanceof PackageSetting)) { 4241 continue; 4242 } 4243 PackageSetting ps = (PackageSetting) pkg.mExtras; 4244 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4245 } 4246 } 4247 } 4248 } 4249 4250 @Override 4251 public int getPermissionFlags(String name, String packageName, int userId) { 4252 if (!sUserManager.exists(userId)) { 4253 return 0; 4254 } 4255 4256 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4257 4258 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4259 true /* requireFullPermission */, false /* checkShell */, 4260 "getPermissionFlags"); 4261 4262 synchronized (mPackages) { 4263 final PackageParser.Package pkg = mPackages.get(packageName); 4264 if (pkg == null) { 4265 return 0; 4266 } 4267 4268 final BasePermission bp = mSettings.mPermissions.get(name); 4269 if (bp == null) { 4270 return 0; 4271 } 4272 4273 SettingBase sb = (SettingBase) pkg.mExtras; 4274 if (sb == null) { 4275 return 0; 4276 } 4277 4278 PermissionsState permissionsState = sb.getPermissionsState(); 4279 return permissionsState.getPermissionFlags(name, userId); 4280 } 4281 } 4282 4283 @Override 4284 public void updatePermissionFlags(String name, String packageName, int flagMask, 4285 int flagValues, int userId) { 4286 if (!sUserManager.exists(userId)) { 4287 return; 4288 } 4289 4290 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4291 4292 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4293 true /* requireFullPermission */, true /* checkShell */, 4294 "updatePermissionFlags"); 4295 4296 // Only the system can change these flags and nothing else. 4297 if (getCallingUid() != Process.SYSTEM_UID) { 4298 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4299 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4300 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4301 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4302 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4303 } 4304 4305 synchronized (mPackages) { 4306 final PackageParser.Package pkg = mPackages.get(packageName); 4307 if (pkg == null) { 4308 throw new IllegalArgumentException("Unknown package: " + packageName); 4309 } 4310 4311 final BasePermission bp = mSettings.mPermissions.get(name); 4312 if (bp == null) { 4313 throw new IllegalArgumentException("Unknown permission: " + name); 4314 } 4315 4316 SettingBase sb = (SettingBase) pkg.mExtras; 4317 if (sb == null) { 4318 throw new IllegalArgumentException("Unknown package: " + packageName); 4319 } 4320 4321 PermissionsState permissionsState = sb.getPermissionsState(); 4322 4323 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4324 4325 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4326 // Install and runtime permissions are stored in different places, 4327 // so figure out what permission changed and persist the change. 4328 if (permissionsState.getInstallPermissionState(name) != null) { 4329 scheduleWriteSettingsLocked(); 4330 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4331 || hadState) { 4332 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4333 } 4334 } 4335 } 4336 } 4337 4338 /** 4339 * Update the permission flags for all packages and runtime permissions of a user in order 4340 * to allow device or profile owner to remove POLICY_FIXED. 4341 */ 4342 @Override 4343 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4344 if (!sUserManager.exists(userId)) { 4345 return; 4346 } 4347 4348 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4349 4350 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4351 true /* requireFullPermission */, true /* checkShell */, 4352 "updatePermissionFlagsForAllApps"); 4353 4354 // Only the system can change system fixed flags. 4355 if (getCallingUid() != Process.SYSTEM_UID) { 4356 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4357 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4358 } 4359 4360 synchronized (mPackages) { 4361 boolean changed = false; 4362 final int packageCount = mPackages.size(); 4363 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4364 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4365 SettingBase sb = (SettingBase) pkg.mExtras; 4366 if (sb == null) { 4367 continue; 4368 } 4369 PermissionsState permissionsState = sb.getPermissionsState(); 4370 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4371 userId, flagMask, flagValues); 4372 } 4373 if (changed) { 4374 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4375 } 4376 } 4377 } 4378 4379 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4380 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4381 != PackageManager.PERMISSION_GRANTED 4382 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4383 != PackageManager.PERMISSION_GRANTED) { 4384 throw new SecurityException(message + " requires " 4385 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4386 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4387 } 4388 } 4389 4390 @Override 4391 public boolean shouldShowRequestPermissionRationale(String permissionName, 4392 String packageName, int userId) { 4393 if (UserHandle.getCallingUserId() != userId) { 4394 mContext.enforceCallingPermission( 4395 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4396 "canShowRequestPermissionRationale for user " + userId); 4397 } 4398 4399 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4400 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4401 return false; 4402 } 4403 4404 if (checkPermission(permissionName, packageName, userId) 4405 == PackageManager.PERMISSION_GRANTED) { 4406 return false; 4407 } 4408 4409 final int flags; 4410 4411 final long identity = Binder.clearCallingIdentity(); 4412 try { 4413 flags = getPermissionFlags(permissionName, 4414 packageName, userId); 4415 } finally { 4416 Binder.restoreCallingIdentity(identity); 4417 } 4418 4419 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4420 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4421 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4422 4423 if ((flags & fixedFlags) != 0) { 4424 return false; 4425 } 4426 4427 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4428 } 4429 4430 @Override 4431 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4432 mContext.enforceCallingOrSelfPermission( 4433 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4434 "addOnPermissionsChangeListener"); 4435 4436 synchronized (mPackages) { 4437 mOnPermissionChangeListeners.addListenerLocked(listener); 4438 } 4439 } 4440 4441 @Override 4442 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4443 synchronized (mPackages) { 4444 mOnPermissionChangeListeners.removeListenerLocked(listener); 4445 } 4446 } 4447 4448 @Override 4449 public boolean isProtectedBroadcast(String actionName) { 4450 synchronized (mPackages) { 4451 if (mProtectedBroadcasts.contains(actionName)) { 4452 return true; 4453 } else if (actionName != null) { 4454 // TODO: remove these terrible hacks 4455 if (actionName.startsWith("android.net.netmon.lingerExpired") 4456 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4457 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4458 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4459 return true; 4460 } 4461 } 4462 } 4463 return false; 4464 } 4465 4466 @Override 4467 public int checkSignatures(String pkg1, String pkg2) { 4468 synchronized (mPackages) { 4469 final PackageParser.Package p1 = mPackages.get(pkg1); 4470 final PackageParser.Package p2 = mPackages.get(pkg2); 4471 if (p1 == null || p1.mExtras == null 4472 || p2 == null || p2.mExtras == null) { 4473 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4474 } 4475 return compareSignatures(p1.mSignatures, p2.mSignatures); 4476 } 4477 } 4478 4479 @Override 4480 public int checkUidSignatures(int uid1, int uid2) { 4481 // Map to base uids. 4482 uid1 = UserHandle.getAppId(uid1); 4483 uid2 = UserHandle.getAppId(uid2); 4484 // reader 4485 synchronized (mPackages) { 4486 Signature[] s1; 4487 Signature[] s2; 4488 Object obj = mSettings.getUserIdLPr(uid1); 4489 if (obj != null) { 4490 if (obj instanceof SharedUserSetting) { 4491 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4492 } else if (obj instanceof PackageSetting) { 4493 s1 = ((PackageSetting)obj).signatures.mSignatures; 4494 } else { 4495 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4496 } 4497 } else { 4498 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4499 } 4500 obj = mSettings.getUserIdLPr(uid2); 4501 if (obj != null) { 4502 if (obj instanceof SharedUserSetting) { 4503 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4504 } else if (obj instanceof PackageSetting) { 4505 s2 = ((PackageSetting)obj).signatures.mSignatures; 4506 } else { 4507 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4508 } 4509 } else { 4510 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4511 } 4512 return compareSignatures(s1, s2); 4513 } 4514 } 4515 4516 /** 4517 * This method should typically only be used when granting or revoking 4518 * permissions, since the app may immediately restart after this call. 4519 * <p> 4520 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4521 * guard your work against the app being relaunched. 4522 */ 4523 private void killUid(int appId, int userId, String reason) { 4524 final long identity = Binder.clearCallingIdentity(); 4525 try { 4526 IActivityManager am = ActivityManagerNative.getDefault(); 4527 if (am != null) { 4528 try { 4529 am.killUid(appId, userId, reason); 4530 } catch (RemoteException e) { 4531 /* ignore - same process */ 4532 } 4533 } 4534 } finally { 4535 Binder.restoreCallingIdentity(identity); 4536 } 4537 } 4538 4539 /** 4540 * Compares two sets of signatures. Returns: 4541 * <br /> 4542 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4543 * <br /> 4544 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4545 * <br /> 4546 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4547 * <br /> 4548 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4549 * <br /> 4550 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4551 */ 4552 static int compareSignatures(Signature[] s1, Signature[] s2) { 4553 if (s1 == null) { 4554 return s2 == null 4555 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4556 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4557 } 4558 4559 if (s2 == null) { 4560 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4561 } 4562 4563 if (s1.length != s2.length) { 4564 return PackageManager.SIGNATURE_NO_MATCH; 4565 } 4566 4567 // Since both signature sets are of size 1, we can compare without HashSets. 4568 if (s1.length == 1) { 4569 return s1[0].equals(s2[0]) ? 4570 PackageManager.SIGNATURE_MATCH : 4571 PackageManager.SIGNATURE_NO_MATCH; 4572 } 4573 4574 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4575 for (Signature sig : s1) { 4576 set1.add(sig); 4577 } 4578 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4579 for (Signature sig : s2) { 4580 set2.add(sig); 4581 } 4582 // Make sure s2 contains all signatures in s1. 4583 if (set1.equals(set2)) { 4584 return PackageManager.SIGNATURE_MATCH; 4585 } 4586 return PackageManager.SIGNATURE_NO_MATCH; 4587 } 4588 4589 /** 4590 * If the database version for this type of package (internal storage or 4591 * external storage) is less than the version where package signatures 4592 * were updated, return true. 4593 */ 4594 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4595 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4596 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4597 } 4598 4599 /** 4600 * Used for backward compatibility to make sure any packages with 4601 * certificate chains get upgraded to the new style. {@code existingSigs} 4602 * will be in the old format (since they were stored on disk from before the 4603 * system upgrade) and {@code scannedSigs} will be in the newer format. 4604 */ 4605 private int compareSignaturesCompat(PackageSignatures existingSigs, 4606 PackageParser.Package scannedPkg) { 4607 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4608 return PackageManager.SIGNATURE_NO_MATCH; 4609 } 4610 4611 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4612 for (Signature sig : existingSigs.mSignatures) { 4613 existingSet.add(sig); 4614 } 4615 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4616 for (Signature sig : scannedPkg.mSignatures) { 4617 try { 4618 Signature[] chainSignatures = sig.getChainSignatures(); 4619 for (Signature chainSig : chainSignatures) { 4620 scannedCompatSet.add(chainSig); 4621 } 4622 } catch (CertificateEncodingException e) { 4623 scannedCompatSet.add(sig); 4624 } 4625 } 4626 /* 4627 * Make sure the expanded scanned set contains all signatures in the 4628 * existing one. 4629 */ 4630 if (scannedCompatSet.equals(existingSet)) { 4631 // Migrate the old signatures to the new scheme. 4632 existingSigs.assignSignatures(scannedPkg.mSignatures); 4633 // The new KeySets will be re-added later in the scanning process. 4634 synchronized (mPackages) { 4635 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4636 } 4637 return PackageManager.SIGNATURE_MATCH; 4638 } 4639 return PackageManager.SIGNATURE_NO_MATCH; 4640 } 4641 4642 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4643 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4644 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4645 } 4646 4647 private int compareSignaturesRecover(PackageSignatures existingSigs, 4648 PackageParser.Package scannedPkg) { 4649 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4650 return PackageManager.SIGNATURE_NO_MATCH; 4651 } 4652 4653 String msg = null; 4654 try { 4655 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4656 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4657 + scannedPkg.packageName); 4658 return PackageManager.SIGNATURE_MATCH; 4659 } 4660 } catch (CertificateException e) { 4661 msg = e.getMessage(); 4662 } 4663 4664 logCriticalInfo(Log.INFO, 4665 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4666 return PackageManager.SIGNATURE_NO_MATCH; 4667 } 4668 4669 @Override 4670 public List<String> getAllPackages() { 4671 synchronized (mPackages) { 4672 return new ArrayList<String>(mPackages.keySet()); 4673 } 4674 } 4675 4676 @Override 4677 public String[] getPackagesForUid(int uid) { 4678 final int userId = UserHandle.getUserId(uid); 4679 uid = UserHandle.getAppId(uid); 4680 // reader 4681 synchronized (mPackages) { 4682 Object obj = mSettings.getUserIdLPr(uid); 4683 if (obj instanceof SharedUserSetting) { 4684 final SharedUserSetting sus = (SharedUserSetting) obj; 4685 final int N = sus.packages.size(); 4686 String[] res = new String[N]; 4687 final Iterator<PackageSetting> it = sus.packages.iterator(); 4688 int i = 0; 4689 while (it.hasNext()) { 4690 PackageSetting ps = it.next(); 4691 if (ps.getInstalled(userId)) { 4692 res[i++] = ps.name; 4693 } else { 4694 res = ArrayUtils.removeElement(String.class, res, res[i]); 4695 } 4696 } 4697 return res; 4698 } else if (obj instanceof PackageSetting) { 4699 final PackageSetting ps = (PackageSetting) obj; 4700 return new String[] { ps.name }; 4701 } 4702 } 4703 return null; 4704 } 4705 4706 @Override 4707 public String getNameForUid(int uid) { 4708 // reader 4709 synchronized (mPackages) { 4710 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4711 if (obj instanceof SharedUserSetting) { 4712 final SharedUserSetting sus = (SharedUserSetting) obj; 4713 return sus.name + ":" + sus.userId; 4714 } else if (obj instanceof PackageSetting) { 4715 final PackageSetting ps = (PackageSetting) obj; 4716 return ps.name; 4717 } 4718 } 4719 return null; 4720 } 4721 4722 @Override 4723 public int getUidForSharedUser(String sharedUserName) { 4724 if(sharedUserName == null) { 4725 return -1; 4726 } 4727 // reader 4728 synchronized (mPackages) { 4729 SharedUserSetting suid; 4730 try { 4731 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4732 if (suid != null) { 4733 return suid.userId; 4734 } 4735 } catch (PackageManagerException ignore) { 4736 // can't happen, but, still need to catch it 4737 } 4738 return -1; 4739 } 4740 } 4741 4742 @Override 4743 public int getFlagsForUid(int uid) { 4744 synchronized (mPackages) { 4745 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4746 if (obj instanceof SharedUserSetting) { 4747 final SharedUserSetting sus = (SharedUserSetting) obj; 4748 return sus.pkgFlags; 4749 } else if (obj instanceof PackageSetting) { 4750 final PackageSetting ps = (PackageSetting) obj; 4751 return ps.pkgFlags; 4752 } 4753 } 4754 return 0; 4755 } 4756 4757 @Override 4758 public int getPrivateFlagsForUid(int uid) { 4759 synchronized (mPackages) { 4760 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4761 if (obj instanceof SharedUserSetting) { 4762 final SharedUserSetting sus = (SharedUserSetting) obj; 4763 return sus.pkgPrivateFlags; 4764 } else if (obj instanceof PackageSetting) { 4765 final PackageSetting ps = (PackageSetting) obj; 4766 return ps.pkgPrivateFlags; 4767 } 4768 } 4769 return 0; 4770 } 4771 4772 @Override 4773 public boolean isUidPrivileged(int uid) { 4774 uid = UserHandle.getAppId(uid); 4775 // reader 4776 synchronized (mPackages) { 4777 Object obj = mSettings.getUserIdLPr(uid); 4778 if (obj instanceof SharedUserSetting) { 4779 final SharedUserSetting sus = (SharedUserSetting) obj; 4780 final Iterator<PackageSetting> it = sus.packages.iterator(); 4781 while (it.hasNext()) { 4782 if (it.next().isPrivileged()) { 4783 return true; 4784 } 4785 } 4786 } else if (obj instanceof PackageSetting) { 4787 final PackageSetting ps = (PackageSetting) obj; 4788 return ps.isPrivileged(); 4789 } 4790 } 4791 return false; 4792 } 4793 4794 @Override 4795 public String[] getAppOpPermissionPackages(String permissionName) { 4796 synchronized (mPackages) { 4797 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4798 if (pkgs == null) { 4799 return null; 4800 } 4801 return pkgs.toArray(new String[pkgs.size()]); 4802 } 4803 } 4804 4805 @Override 4806 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4807 int flags, int userId) { 4808 try { 4809 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4810 4811 if (!sUserManager.exists(userId)) return null; 4812 flags = updateFlagsForResolve(flags, userId, intent); 4813 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4814 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4815 4816 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4817 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4818 flags, userId); 4819 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4820 4821 final ResolveInfo bestChoice = 4822 chooseBestActivity(intent, resolvedType, flags, query, userId); 4823 return bestChoice; 4824 } finally { 4825 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4826 } 4827 } 4828 4829 @Override 4830 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4831 IntentFilter filter, int match, ComponentName activity) { 4832 final int userId = UserHandle.getCallingUserId(); 4833 if (DEBUG_PREFERRED) { 4834 Log.v(TAG, "setLastChosenActivity intent=" + intent 4835 + " resolvedType=" + resolvedType 4836 + " flags=" + flags 4837 + " filter=" + filter 4838 + " match=" + match 4839 + " activity=" + activity); 4840 filter.dump(new PrintStreamPrinter(System.out), " "); 4841 } 4842 intent.setComponent(null); 4843 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4844 userId); 4845 // Find any earlier preferred or last chosen entries and nuke them 4846 findPreferredActivity(intent, resolvedType, 4847 flags, query, 0, false, true, false, userId); 4848 // Add the new activity as the last chosen for this filter 4849 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4850 "Setting last chosen"); 4851 } 4852 4853 @Override 4854 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4855 final int userId = UserHandle.getCallingUserId(); 4856 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4857 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4858 userId); 4859 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4860 false, false, false, userId); 4861 } 4862 4863 private boolean isEphemeralDisabled() { 4864 // ephemeral apps have been disabled across the board 4865 if (DISABLE_EPHEMERAL_APPS) { 4866 return true; 4867 } 4868 // system isn't up yet; can't read settings, so, assume no ephemeral apps 4869 if (!mSystemReady) { 4870 return true; 4871 } 4872 // we can't get a content resolver until the system is ready; these checks must happen last 4873 final ContentResolver resolver = mContext.getContentResolver(); 4874 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 4875 return true; 4876 } 4877 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 4878 } 4879 4880 private boolean isEphemeralAllowed( 4881 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 4882 boolean skipPackageCheck) { 4883 // Short circuit and return early if possible. 4884 if (isEphemeralDisabled()) { 4885 return false; 4886 } 4887 final int callingUser = UserHandle.getCallingUserId(); 4888 if (callingUser != UserHandle.USER_SYSTEM) { 4889 return false; 4890 } 4891 if (mEphemeralResolverConnection == null) { 4892 return false; 4893 } 4894 if (intent.getComponent() != null) { 4895 return false; 4896 } 4897 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 4898 return false; 4899 } 4900 if (!skipPackageCheck && intent.getPackage() != null) { 4901 return false; 4902 } 4903 final boolean isWebUri = hasWebURI(intent); 4904 if (!isWebUri || intent.getData().getHost() == null) { 4905 return false; 4906 } 4907 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4908 synchronized (mPackages) { 4909 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 4910 for (int n = 0; n < count; n++) { 4911 ResolveInfo info = resolvedActivities.get(n); 4912 String packageName = info.activityInfo.packageName; 4913 PackageSetting ps = mSettings.mPackages.get(packageName); 4914 if (ps != null) { 4915 // Try to get the status from User settings first 4916 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4917 int status = (int) (packedStatus >> 32); 4918 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4919 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4920 if (DEBUG_EPHEMERAL) { 4921 Slog.v(TAG, "DENY ephemeral apps;" 4922 + " pkg: " + packageName + ", status: " + status); 4923 } 4924 return false; 4925 } 4926 } 4927 } 4928 } 4929 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4930 return true; 4931 } 4932 4933 private static EphemeralResolveInfo getEphemeralResolveInfo( 4934 Context context, EphemeralResolverConnection resolverConnection, Intent intent, 4935 String resolvedType, int userId, String packageName) { 4936 final int ephemeralPrefixMask = Global.getInt(context.getContentResolver(), 4937 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4938 final int ephemeralPrefixCount = Global.getInt(context.getContentResolver(), 4939 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4940 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4941 ephemeralPrefixCount); 4942 final int[] shaPrefix = digest.getDigestPrefix(); 4943 final byte[][] digestBytes = digest.getDigestBytes(); 4944 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4945 resolverConnection.getEphemeralResolveInfoList(shaPrefix, ephemeralPrefixMask); 4946 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4947 // No hash prefix match; there are no ephemeral apps for this domain. 4948 return null; 4949 } 4950 4951 // Go in reverse order so we match the narrowest scope first. 4952 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4953 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4954 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4955 continue; 4956 } 4957 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4958 // No filters; this should never happen. 4959 if (filters.isEmpty()) { 4960 continue; 4961 } 4962 if (packageName != null 4963 && !packageName.equals(ephemeralApplication.getPackageName())) { 4964 continue; 4965 } 4966 // We have a domain match; resolve the filters to see if anything matches. 4967 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4968 for (int j = filters.size() - 1; j >= 0; --j) { 4969 final EphemeralResolveIntentInfo intentInfo = 4970 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4971 ephemeralResolver.addFilter(intentInfo); 4972 } 4973 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4974 intent, resolvedType, false /*defaultOnly*/, userId); 4975 if (!matchedResolveInfoList.isEmpty()) { 4976 return matchedResolveInfoList.get(0); 4977 } 4978 } 4979 } 4980 // Hash or filter mis-match; no ephemeral apps for this domain. 4981 return null; 4982 } 4983 4984 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4985 int flags, List<ResolveInfo> query, int userId) { 4986 if (query != null) { 4987 final int N = query.size(); 4988 if (N == 1) { 4989 return query.get(0); 4990 } else if (N > 1) { 4991 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4992 // If there is more than one activity with the same priority, 4993 // then let the user decide between them. 4994 ResolveInfo r0 = query.get(0); 4995 ResolveInfo r1 = query.get(1); 4996 if (DEBUG_INTENT_MATCHING || debug) { 4997 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4998 + r1.activityInfo.name + "=" + r1.priority); 4999 } 5000 // If the first activity has a higher priority, or a different 5001 // default, then it is always desirable to pick it. 5002 if (r0.priority != r1.priority 5003 || r0.preferredOrder != r1.preferredOrder 5004 || r0.isDefault != r1.isDefault) { 5005 return query.get(0); 5006 } 5007 // If we have saved a preference for a preferred activity for 5008 // this Intent, use that. 5009 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5010 flags, query, r0.priority, true, false, debug, userId); 5011 if (ri != null) { 5012 return ri; 5013 } 5014 ri = new ResolveInfo(mResolveInfo); 5015 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5016 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5017 // If all of the options come from the same package, show the application's 5018 // label and icon instead of the generic resolver's. 5019 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5020 // and then throw away the ResolveInfo itself, meaning that the caller loses 5021 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5022 // a fallback for this case; we only set the target package's resources on 5023 // the ResolveInfo, not the ActivityInfo. 5024 final String intentPackage = intent.getPackage(); 5025 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5026 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5027 ri.resolvePackageName = intentPackage; 5028 if (userNeedsBadging(userId)) { 5029 ri.noResourceId = true; 5030 } else { 5031 ri.icon = appi.icon; 5032 } 5033 ri.iconResourceId = appi.icon; 5034 ri.labelRes = appi.labelRes; 5035 } 5036 ri.activityInfo.applicationInfo = new ApplicationInfo( 5037 ri.activityInfo.applicationInfo); 5038 if (userId != 0) { 5039 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5040 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5041 } 5042 // Make sure that the resolver is displayable in car mode 5043 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5044 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5045 return ri; 5046 } 5047 } 5048 return null; 5049 } 5050 5051 /** 5052 * Return true if the given list is not empty and all of its contents have 5053 * an activityInfo with the given package name. 5054 */ 5055 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5056 if (ArrayUtils.isEmpty(list)) { 5057 return false; 5058 } 5059 for (int i = 0, N = list.size(); i < N; i++) { 5060 final ResolveInfo ri = list.get(i); 5061 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5062 if (ai == null || !packageName.equals(ai.packageName)) { 5063 return false; 5064 } 5065 } 5066 return true; 5067 } 5068 5069 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5070 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5071 final int N = query.size(); 5072 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5073 .get(userId); 5074 // Get the list of persistent preferred activities that handle the intent 5075 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5076 List<PersistentPreferredActivity> pprefs = ppir != null 5077 ? ppir.queryIntent(intent, resolvedType, 5078 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5079 : null; 5080 if (pprefs != null && pprefs.size() > 0) { 5081 final int M = pprefs.size(); 5082 for (int i=0; i<M; i++) { 5083 final PersistentPreferredActivity ppa = pprefs.get(i); 5084 if (DEBUG_PREFERRED || debug) { 5085 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5086 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5087 + "\n component=" + ppa.mComponent); 5088 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5089 } 5090 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5091 flags | MATCH_DISABLED_COMPONENTS, userId); 5092 if (DEBUG_PREFERRED || debug) { 5093 Slog.v(TAG, "Found persistent preferred activity:"); 5094 if (ai != null) { 5095 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5096 } else { 5097 Slog.v(TAG, " null"); 5098 } 5099 } 5100 if (ai == null) { 5101 // This previously registered persistent preferred activity 5102 // component is no longer known. Ignore it and do NOT remove it. 5103 continue; 5104 } 5105 for (int j=0; j<N; j++) { 5106 final ResolveInfo ri = query.get(j); 5107 if (!ri.activityInfo.applicationInfo.packageName 5108 .equals(ai.applicationInfo.packageName)) { 5109 continue; 5110 } 5111 if (!ri.activityInfo.name.equals(ai.name)) { 5112 continue; 5113 } 5114 // Found a persistent preference that can handle the intent. 5115 if (DEBUG_PREFERRED || debug) { 5116 Slog.v(TAG, "Returning persistent preferred activity: " + 5117 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5118 } 5119 return ri; 5120 } 5121 } 5122 } 5123 return null; 5124 } 5125 5126 // TODO: handle preferred activities missing while user has amnesia 5127 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5128 List<ResolveInfo> query, int priority, boolean always, 5129 boolean removeMatches, boolean debug, int userId) { 5130 if (!sUserManager.exists(userId)) return null; 5131 flags = updateFlagsForResolve(flags, userId, intent); 5132 // writer 5133 synchronized (mPackages) { 5134 if (intent.getSelector() != null) { 5135 intent = intent.getSelector(); 5136 } 5137 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5138 5139 // Try to find a matching persistent preferred activity. 5140 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5141 debug, userId); 5142 5143 // If a persistent preferred activity matched, use it. 5144 if (pri != null) { 5145 return pri; 5146 } 5147 5148 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5149 // Get the list of preferred activities that handle the intent 5150 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5151 List<PreferredActivity> prefs = pir != null 5152 ? pir.queryIntent(intent, resolvedType, 5153 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5154 : null; 5155 if (prefs != null && prefs.size() > 0) { 5156 boolean changed = false; 5157 try { 5158 // First figure out how good the original match set is. 5159 // We will only allow preferred activities that came 5160 // from the same match quality. 5161 int match = 0; 5162 5163 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5164 5165 final int N = query.size(); 5166 for (int j=0; j<N; j++) { 5167 final ResolveInfo ri = query.get(j); 5168 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5169 + ": 0x" + Integer.toHexString(match)); 5170 if (ri.match > match) { 5171 match = ri.match; 5172 } 5173 } 5174 5175 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5176 + Integer.toHexString(match)); 5177 5178 match &= IntentFilter.MATCH_CATEGORY_MASK; 5179 final int M = prefs.size(); 5180 for (int i=0; i<M; i++) { 5181 final PreferredActivity pa = prefs.get(i); 5182 if (DEBUG_PREFERRED || debug) { 5183 Slog.v(TAG, "Checking PreferredActivity ds=" 5184 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5185 + "\n component=" + pa.mPref.mComponent); 5186 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5187 } 5188 if (pa.mPref.mMatch != match) { 5189 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5190 + Integer.toHexString(pa.mPref.mMatch)); 5191 continue; 5192 } 5193 // If it's not an "always" type preferred activity and that's what we're 5194 // looking for, skip it. 5195 if (always && !pa.mPref.mAlways) { 5196 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5197 continue; 5198 } 5199 final ActivityInfo ai = getActivityInfo( 5200 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5201 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5202 userId); 5203 if (DEBUG_PREFERRED || debug) { 5204 Slog.v(TAG, "Found preferred activity:"); 5205 if (ai != null) { 5206 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5207 } else { 5208 Slog.v(TAG, " null"); 5209 } 5210 } 5211 if (ai == null) { 5212 // This previously registered preferred activity 5213 // component is no longer known. Most likely an update 5214 // to the app was installed and in the new version this 5215 // component no longer exists. Clean it up by removing 5216 // it from the preferred activities list, and skip it. 5217 Slog.w(TAG, "Removing dangling preferred activity: " 5218 + pa.mPref.mComponent); 5219 pir.removeFilter(pa); 5220 changed = true; 5221 continue; 5222 } 5223 for (int j=0; j<N; j++) { 5224 final ResolveInfo ri = query.get(j); 5225 if (!ri.activityInfo.applicationInfo.packageName 5226 .equals(ai.applicationInfo.packageName)) { 5227 continue; 5228 } 5229 if (!ri.activityInfo.name.equals(ai.name)) { 5230 continue; 5231 } 5232 5233 if (removeMatches) { 5234 pir.removeFilter(pa); 5235 changed = true; 5236 if (DEBUG_PREFERRED) { 5237 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5238 } 5239 break; 5240 } 5241 5242 // Okay we found a previously set preferred or last chosen app. 5243 // If the result set is different from when this 5244 // was created, we need to clear it and re-ask the 5245 // user their preference, if we're looking for an "always" type entry. 5246 if (always && !pa.mPref.sameSet(query)) { 5247 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5248 + intent + " type " + resolvedType); 5249 if (DEBUG_PREFERRED) { 5250 Slog.v(TAG, "Removing preferred activity since set changed " 5251 + pa.mPref.mComponent); 5252 } 5253 pir.removeFilter(pa); 5254 // Re-add the filter as a "last chosen" entry (!always) 5255 PreferredActivity lastChosen = new PreferredActivity( 5256 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5257 pir.addFilter(lastChosen); 5258 changed = true; 5259 return null; 5260 } 5261 5262 // Yay! Either the set matched or we're looking for the last chosen 5263 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5264 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5265 return ri; 5266 } 5267 } 5268 } finally { 5269 if (changed) { 5270 if (DEBUG_PREFERRED) { 5271 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5272 } 5273 scheduleWritePackageRestrictionsLocked(userId); 5274 } 5275 } 5276 } 5277 } 5278 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5279 return null; 5280 } 5281 5282 /* 5283 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5284 */ 5285 @Override 5286 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5287 int targetUserId) { 5288 mContext.enforceCallingOrSelfPermission( 5289 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5290 List<CrossProfileIntentFilter> matches = 5291 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5292 if (matches != null) { 5293 int size = matches.size(); 5294 for (int i = 0; i < size; i++) { 5295 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5296 } 5297 } 5298 if (hasWebURI(intent)) { 5299 // cross-profile app linking works only towards the parent. 5300 final UserInfo parent = getProfileParent(sourceUserId); 5301 synchronized(mPackages) { 5302 int flags = updateFlagsForResolve(0, parent.id, intent); 5303 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5304 intent, resolvedType, flags, sourceUserId, parent.id); 5305 return xpDomainInfo != null; 5306 } 5307 } 5308 return false; 5309 } 5310 5311 private UserInfo getProfileParent(int userId) { 5312 final long identity = Binder.clearCallingIdentity(); 5313 try { 5314 return sUserManager.getProfileParent(userId); 5315 } finally { 5316 Binder.restoreCallingIdentity(identity); 5317 } 5318 } 5319 5320 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5321 String resolvedType, int userId) { 5322 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5323 if (resolver != null) { 5324 return resolver.queryIntent(intent, resolvedType, false, userId); 5325 } 5326 return null; 5327 } 5328 5329 @Override 5330 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5331 String resolvedType, int flags, int userId) { 5332 try { 5333 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5334 5335 return new ParceledListSlice<>( 5336 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5337 } finally { 5338 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5339 } 5340 } 5341 5342 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5343 String resolvedType, int flags, int userId) { 5344 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5345 flags = updateFlagsForResolve(flags, userId, intent); 5346 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5347 false /* requireFullPermission */, false /* checkShell */, 5348 "query intent activities"); 5349 ComponentName comp = intent.getComponent(); 5350 if (comp == null) { 5351 if (intent.getSelector() != null) { 5352 intent = intent.getSelector(); 5353 comp = intent.getComponent(); 5354 } 5355 } 5356 5357 if (comp != null) { 5358 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5359 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5360 if (ai != null) { 5361 final ResolveInfo ri = new ResolveInfo(); 5362 ri.activityInfo = ai; 5363 list.add(ri); 5364 } 5365 return list; 5366 } 5367 5368 // reader 5369 boolean sortResult = false; 5370 boolean addEphemeral = false; 5371 boolean matchEphemeralPackage = false; 5372 List<ResolveInfo> result; 5373 final String pkgName = intent.getPackage(); 5374 synchronized (mPackages) { 5375 if (pkgName == null) { 5376 List<CrossProfileIntentFilter> matchingFilters = 5377 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5378 // Check for results that need to skip the current profile. 5379 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5380 resolvedType, flags, userId); 5381 if (xpResolveInfo != null) { 5382 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5383 xpResult.add(xpResolveInfo); 5384 return filterIfNotSystemUser(xpResult, userId); 5385 } 5386 5387 // Check for results in the current profile. 5388 result = filterIfNotSystemUser(mActivities.queryIntent( 5389 intent, resolvedType, flags, userId), userId); 5390 addEphemeral = 5391 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5392 5393 // Check for cross profile results. 5394 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5395 xpResolveInfo = queryCrossProfileIntents( 5396 matchingFilters, intent, resolvedType, flags, userId, 5397 hasNonNegativePriorityResult); 5398 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5399 boolean isVisibleToUser = filterIfNotSystemUser( 5400 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5401 if (isVisibleToUser) { 5402 result.add(xpResolveInfo); 5403 sortResult = true; 5404 } 5405 } 5406 if (hasWebURI(intent)) { 5407 CrossProfileDomainInfo xpDomainInfo = null; 5408 final UserInfo parent = getProfileParent(userId); 5409 if (parent != null) { 5410 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5411 flags, userId, parent.id); 5412 } 5413 if (xpDomainInfo != null) { 5414 if (xpResolveInfo != null) { 5415 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5416 // in the result. 5417 result.remove(xpResolveInfo); 5418 } 5419 if (result.size() == 0 && !addEphemeral) { 5420 // No result in current profile, but found candidate in parent user. 5421 // And we are not going to add emphemeral app, so we can return the 5422 // result straight away. 5423 result.add(xpDomainInfo.resolveInfo); 5424 return result; 5425 } 5426 } else if (result.size() <= 1 && !addEphemeral) { 5427 // No result in parent user and <= 1 result in current profile, and we 5428 // are not going to add emphemeral app, so we can return the result without 5429 // further processing. 5430 return result; 5431 } 5432 // We have more than one candidate (combining results from current and parent 5433 // profile), so we need filtering and sorting. 5434 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5435 intent, flags, result, xpDomainInfo, userId); 5436 sortResult = true; 5437 } 5438 } else { 5439 final PackageParser.Package pkg = mPackages.get(pkgName); 5440 if (pkg != null) { 5441 result = filterIfNotSystemUser( 5442 mActivities.queryIntentForPackage( 5443 intent, resolvedType, flags, pkg.activities, userId), 5444 userId); 5445 } else { 5446 // the caller wants to resolve for a particular package; however, there 5447 // were no installed results, so, try to find an ephemeral result 5448 addEphemeral = isEphemeralAllowed( 5449 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5450 matchEphemeralPackage = true; 5451 result = new ArrayList<ResolveInfo>(); 5452 } 5453 } 5454 } 5455 if (addEphemeral) { 5456 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5457 final EphemeralResolveInfo ai = getEphemeralResolveInfo( 5458 mContext, mEphemeralResolverConnection, intent, resolvedType, userId, 5459 matchEphemeralPackage ? pkgName : null); 5460 if (ai != null) { 5461 if (DEBUG_EPHEMERAL) { 5462 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5463 } 5464 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5465 ephemeralInstaller.ephemeralResolveInfo = ai; 5466 // make sure this resolver is the default 5467 ephemeralInstaller.isDefault = true; 5468 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5469 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5470 // add a non-generic filter 5471 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5472 ephemeralInstaller.filter.addDataPath( 5473 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5474 result.add(ephemeralInstaller); 5475 } 5476 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5477 } 5478 if (sortResult) { 5479 Collections.sort(result, mResolvePrioritySorter); 5480 } 5481 return result; 5482 } 5483 5484 private static class CrossProfileDomainInfo { 5485 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5486 ResolveInfo resolveInfo; 5487 /* Best domain verification status of the activities found in the other profile */ 5488 int bestDomainVerificationStatus; 5489 } 5490 5491 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5492 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5493 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5494 sourceUserId)) { 5495 return null; 5496 } 5497 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5498 resolvedType, flags, parentUserId); 5499 5500 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5501 return null; 5502 } 5503 CrossProfileDomainInfo result = null; 5504 int size = resultTargetUser.size(); 5505 for (int i = 0; i < size; i++) { 5506 ResolveInfo riTargetUser = resultTargetUser.get(i); 5507 // Intent filter verification is only for filters that specify a host. So don't return 5508 // those that handle all web uris. 5509 if (riTargetUser.handleAllWebDataURI) { 5510 continue; 5511 } 5512 String packageName = riTargetUser.activityInfo.packageName; 5513 PackageSetting ps = mSettings.mPackages.get(packageName); 5514 if (ps == null) { 5515 continue; 5516 } 5517 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5518 int status = (int)(verificationState >> 32); 5519 if (result == null) { 5520 result = new CrossProfileDomainInfo(); 5521 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5522 sourceUserId, parentUserId); 5523 result.bestDomainVerificationStatus = status; 5524 } else { 5525 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5526 result.bestDomainVerificationStatus); 5527 } 5528 } 5529 // Don't consider matches with status NEVER across profiles. 5530 if (result != null && result.bestDomainVerificationStatus 5531 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5532 return null; 5533 } 5534 return result; 5535 } 5536 5537 /** 5538 * Verification statuses are ordered from the worse to the best, except for 5539 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5540 */ 5541 private int bestDomainVerificationStatus(int status1, int status2) { 5542 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5543 return status2; 5544 } 5545 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5546 return status1; 5547 } 5548 return (int) MathUtils.max(status1, status2); 5549 } 5550 5551 private boolean isUserEnabled(int userId) { 5552 long callingId = Binder.clearCallingIdentity(); 5553 try { 5554 UserInfo userInfo = sUserManager.getUserInfo(userId); 5555 return userInfo != null && userInfo.isEnabled(); 5556 } finally { 5557 Binder.restoreCallingIdentity(callingId); 5558 } 5559 } 5560 5561 /** 5562 * Filter out activities with systemUserOnly flag set, when current user is not System. 5563 * 5564 * @return filtered list 5565 */ 5566 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5567 if (userId == UserHandle.USER_SYSTEM) { 5568 return resolveInfos; 5569 } 5570 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5571 ResolveInfo info = resolveInfos.get(i); 5572 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5573 resolveInfos.remove(i); 5574 } 5575 } 5576 return resolveInfos; 5577 } 5578 5579 /** 5580 * @param resolveInfos list of resolve infos in descending priority order 5581 * @return if the list contains a resolve info with non-negative priority 5582 */ 5583 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5584 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5585 } 5586 5587 private static boolean hasWebURI(Intent intent) { 5588 if (intent.getData() == null) { 5589 return false; 5590 } 5591 final String scheme = intent.getScheme(); 5592 if (TextUtils.isEmpty(scheme)) { 5593 return false; 5594 } 5595 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5596 } 5597 5598 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5599 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5600 int userId) { 5601 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5602 5603 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5604 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5605 candidates.size()); 5606 } 5607 5608 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5609 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5610 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5611 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5612 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5613 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5614 5615 synchronized (mPackages) { 5616 final int count = candidates.size(); 5617 // First, try to use linked apps. Partition the candidates into four lists: 5618 // one for the final results, one for the "do not use ever", one for "undefined status" 5619 // and finally one for "browser app type". 5620 for (int n=0; n<count; n++) { 5621 ResolveInfo info = candidates.get(n); 5622 String packageName = info.activityInfo.packageName; 5623 PackageSetting ps = mSettings.mPackages.get(packageName); 5624 if (ps != null) { 5625 // Add to the special match all list (Browser use case) 5626 if (info.handleAllWebDataURI) { 5627 matchAllList.add(info); 5628 continue; 5629 } 5630 // Try to get the status from User settings first 5631 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5632 int status = (int)(packedStatus >> 32); 5633 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5634 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5635 if (DEBUG_DOMAIN_VERIFICATION) { 5636 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5637 + " : linkgen=" + linkGeneration); 5638 } 5639 // Use link-enabled generation as preferredOrder, i.e. 5640 // prefer newly-enabled over earlier-enabled. 5641 info.preferredOrder = linkGeneration; 5642 alwaysList.add(info); 5643 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5644 if (DEBUG_DOMAIN_VERIFICATION) { 5645 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5646 } 5647 neverList.add(info); 5648 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5649 if (DEBUG_DOMAIN_VERIFICATION) { 5650 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5651 } 5652 alwaysAskList.add(info); 5653 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5654 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5655 if (DEBUG_DOMAIN_VERIFICATION) { 5656 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5657 } 5658 undefinedList.add(info); 5659 } 5660 } 5661 } 5662 5663 // We'll want to include browser possibilities in a few cases 5664 boolean includeBrowser = false; 5665 5666 // First try to add the "always" resolution(s) for the current user, if any 5667 if (alwaysList.size() > 0) { 5668 result.addAll(alwaysList); 5669 } else { 5670 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5671 result.addAll(undefinedList); 5672 // Maybe add one for the other profile. 5673 if (xpDomainInfo != null && ( 5674 xpDomainInfo.bestDomainVerificationStatus 5675 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5676 result.add(xpDomainInfo.resolveInfo); 5677 } 5678 includeBrowser = true; 5679 } 5680 5681 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5682 // If there were 'always' entries their preferred order has been set, so we also 5683 // back that off to make the alternatives equivalent 5684 if (alwaysAskList.size() > 0) { 5685 for (ResolveInfo i : result) { 5686 i.preferredOrder = 0; 5687 } 5688 result.addAll(alwaysAskList); 5689 includeBrowser = true; 5690 } 5691 5692 if (includeBrowser) { 5693 // Also add browsers (all of them or only the default one) 5694 if (DEBUG_DOMAIN_VERIFICATION) { 5695 Slog.v(TAG, " ...including browsers in candidate set"); 5696 } 5697 if ((matchFlags & MATCH_ALL) != 0) { 5698 result.addAll(matchAllList); 5699 } else { 5700 // Browser/generic handling case. If there's a default browser, go straight 5701 // to that (but only if there is no other higher-priority match). 5702 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5703 int maxMatchPrio = 0; 5704 ResolveInfo defaultBrowserMatch = null; 5705 final int numCandidates = matchAllList.size(); 5706 for (int n = 0; n < numCandidates; n++) { 5707 ResolveInfo info = matchAllList.get(n); 5708 // track the highest overall match priority... 5709 if (info.priority > maxMatchPrio) { 5710 maxMatchPrio = info.priority; 5711 } 5712 // ...and the highest-priority default browser match 5713 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5714 if (defaultBrowserMatch == null 5715 || (defaultBrowserMatch.priority < info.priority)) { 5716 if (debug) { 5717 Slog.v(TAG, "Considering default browser match " + info); 5718 } 5719 defaultBrowserMatch = info; 5720 } 5721 } 5722 } 5723 if (defaultBrowserMatch != null 5724 && defaultBrowserMatch.priority >= maxMatchPrio 5725 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5726 { 5727 if (debug) { 5728 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5729 } 5730 result.add(defaultBrowserMatch); 5731 } else { 5732 result.addAll(matchAllList); 5733 } 5734 } 5735 5736 // If there is nothing selected, add all candidates and remove the ones that the user 5737 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5738 if (result.size() == 0) { 5739 result.addAll(candidates); 5740 result.removeAll(neverList); 5741 } 5742 } 5743 } 5744 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5745 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5746 result.size()); 5747 for (ResolveInfo info : result) { 5748 Slog.v(TAG, " + " + info.activityInfo); 5749 } 5750 } 5751 return result; 5752 } 5753 5754 // Returns a packed value as a long: 5755 // 5756 // high 'int'-sized word: link status: undefined/ask/never/always. 5757 // low 'int'-sized word: relative priority among 'always' results. 5758 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5759 long result = ps.getDomainVerificationStatusForUser(userId); 5760 // if none available, get the master status 5761 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5762 if (ps.getIntentFilterVerificationInfo() != null) { 5763 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5764 } 5765 } 5766 return result; 5767 } 5768 5769 private ResolveInfo querySkipCurrentProfileIntents( 5770 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5771 int flags, int sourceUserId) { 5772 if (matchingFilters != null) { 5773 int size = matchingFilters.size(); 5774 for (int i = 0; i < size; i ++) { 5775 CrossProfileIntentFilter filter = matchingFilters.get(i); 5776 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5777 // Checking if there are activities in the target user that can handle the 5778 // intent. 5779 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5780 resolvedType, flags, sourceUserId); 5781 if (resolveInfo != null) { 5782 return resolveInfo; 5783 } 5784 } 5785 } 5786 } 5787 return null; 5788 } 5789 5790 // Return matching ResolveInfo in target user if any. 5791 private ResolveInfo queryCrossProfileIntents( 5792 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5793 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5794 if (matchingFilters != null) { 5795 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5796 // match the same intent. For performance reasons, it is better not to 5797 // run queryIntent twice for the same userId 5798 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5799 int size = matchingFilters.size(); 5800 for (int i = 0; i < size; i++) { 5801 CrossProfileIntentFilter filter = matchingFilters.get(i); 5802 int targetUserId = filter.getTargetUserId(); 5803 boolean skipCurrentProfile = 5804 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5805 boolean skipCurrentProfileIfNoMatchFound = 5806 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5807 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5808 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5809 // Checking if there are activities in the target user that can handle the 5810 // intent. 5811 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5812 resolvedType, flags, sourceUserId); 5813 if (resolveInfo != null) return resolveInfo; 5814 alreadyTriedUserIds.put(targetUserId, true); 5815 } 5816 } 5817 } 5818 return null; 5819 } 5820 5821 /** 5822 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5823 * will forward the intent to the filter's target user. 5824 * Otherwise, returns null. 5825 */ 5826 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5827 String resolvedType, int flags, int sourceUserId) { 5828 int targetUserId = filter.getTargetUserId(); 5829 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5830 resolvedType, flags, targetUserId); 5831 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5832 // If all the matches in the target profile are suspended, return null. 5833 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5834 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5835 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5836 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5837 targetUserId); 5838 } 5839 } 5840 } 5841 return null; 5842 } 5843 5844 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5845 int sourceUserId, int targetUserId) { 5846 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5847 long ident = Binder.clearCallingIdentity(); 5848 boolean targetIsProfile; 5849 try { 5850 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5851 } finally { 5852 Binder.restoreCallingIdentity(ident); 5853 } 5854 String className; 5855 if (targetIsProfile) { 5856 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5857 } else { 5858 className = FORWARD_INTENT_TO_PARENT; 5859 } 5860 ComponentName forwardingActivityComponentName = new ComponentName( 5861 mAndroidApplication.packageName, className); 5862 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5863 sourceUserId); 5864 if (!targetIsProfile) { 5865 forwardingActivityInfo.showUserIcon = targetUserId; 5866 forwardingResolveInfo.noResourceId = true; 5867 } 5868 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5869 forwardingResolveInfo.priority = 0; 5870 forwardingResolveInfo.preferredOrder = 0; 5871 forwardingResolveInfo.match = 0; 5872 forwardingResolveInfo.isDefault = true; 5873 forwardingResolveInfo.filter = filter; 5874 forwardingResolveInfo.targetUserId = targetUserId; 5875 return forwardingResolveInfo; 5876 } 5877 5878 @Override 5879 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5880 Intent[] specifics, String[] specificTypes, Intent intent, 5881 String resolvedType, int flags, int userId) { 5882 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5883 specificTypes, intent, resolvedType, flags, userId)); 5884 } 5885 5886 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5887 Intent[] specifics, String[] specificTypes, Intent intent, 5888 String resolvedType, int flags, int userId) { 5889 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5890 flags = updateFlagsForResolve(flags, userId, intent); 5891 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5892 false /* requireFullPermission */, false /* checkShell */, 5893 "query intent activity options"); 5894 final String resultsAction = intent.getAction(); 5895 5896 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5897 | PackageManager.GET_RESOLVED_FILTER, userId); 5898 5899 if (DEBUG_INTENT_MATCHING) { 5900 Log.v(TAG, "Query " + intent + ": " + results); 5901 } 5902 5903 int specificsPos = 0; 5904 int N; 5905 5906 // todo: note that the algorithm used here is O(N^2). This 5907 // isn't a problem in our current environment, but if we start running 5908 // into situations where we have more than 5 or 10 matches then this 5909 // should probably be changed to something smarter... 5910 5911 // First we go through and resolve each of the specific items 5912 // that were supplied, taking care of removing any corresponding 5913 // duplicate items in the generic resolve list. 5914 if (specifics != null) { 5915 for (int i=0; i<specifics.length; i++) { 5916 final Intent sintent = specifics[i]; 5917 if (sintent == null) { 5918 continue; 5919 } 5920 5921 if (DEBUG_INTENT_MATCHING) { 5922 Log.v(TAG, "Specific #" + i + ": " + sintent); 5923 } 5924 5925 String action = sintent.getAction(); 5926 if (resultsAction != null && resultsAction.equals(action)) { 5927 // If this action was explicitly requested, then don't 5928 // remove things that have it. 5929 action = null; 5930 } 5931 5932 ResolveInfo ri = null; 5933 ActivityInfo ai = null; 5934 5935 ComponentName comp = sintent.getComponent(); 5936 if (comp == null) { 5937 ri = resolveIntent( 5938 sintent, 5939 specificTypes != null ? specificTypes[i] : null, 5940 flags, userId); 5941 if (ri == null) { 5942 continue; 5943 } 5944 if (ri == mResolveInfo) { 5945 // ACK! Must do something better with this. 5946 } 5947 ai = ri.activityInfo; 5948 comp = new ComponentName(ai.applicationInfo.packageName, 5949 ai.name); 5950 } else { 5951 ai = getActivityInfo(comp, flags, userId); 5952 if (ai == null) { 5953 continue; 5954 } 5955 } 5956 5957 // Look for any generic query activities that are duplicates 5958 // of this specific one, and remove them from the results. 5959 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5960 N = results.size(); 5961 int j; 5962 for (j=specificsPos; j<N; j++) { 5963 ResolveInfo sri = results.get(j); 5964 if ((sri.activityInfo.name.equals(comp.getClassName()) 5965 && sri.activityInfo.applicationInfo.packageName.equals( 5966 comp.getPackageName())) 5967 || (action != null && sri.filter.matchAction(action))) { 5968 results.remove(j); 5969 if (DEBUG_INTENT_MATCHING) Log.v( 5970 TAG, "Removing duplicate item from " + j 5971 + " due to specific " + specificsPos); 5972 if (ri == null) { 5973 ri = sri; 5974 } 5975 j--; 5976 N--; 5977 } 5978 } 5979 5980 // Add this specific item to its proper place. 5981 if (ri == null) { 5982 ri = new ResolveInfo(); 5983 ri.activityInfo = ai; 5984 } 5985 results.add(specificsPos, ri); 5986 ri.specificIndex = i; 5987 specificsPos++; 5988 } 5989 } 5990 5991 // Now we go through the remaining generic results and remove any 5992 // duplicate actions that are found here. 5993 N = results.size(); 5994 for (int i=specificsPos; i<N-1; i++) { 5995 final ResolveInfo rii = results.get(i); 5996 if (rii.filter == null) { 5997 continue; 5998 } 5999 6000 // Iterate over all of the actions of this result's intent 6001 // filter... typically this should be just one. 6002 final Iterator<String> it = rii.filter.actionsIterator(); 6003 if (it == null) { 6004 continue; 6005 } 6006 while (it.hasNext()) { 6007 final String action = it.next(); 6008 if (resultsAction != null && resultsAction.equals(action)) { 6009 // If this action was explicitly requested, then don't 6010 // remove things that have it. 6011 continue; 6012 } 6013 for (int j=i+1; j<N; j++) { 6014 final ResolveInfo rij = results.get(j); 6015 if (rij.filter != null && rij.filter.hasAction(action)) { 6016 results.remove(j); 6017 if (DEBUG_INTENT_MATCHING) Log.v( 6018 TAG, "Removing duplicate item from " + j 6019 + " due to action " + action + " at " + i); 6020 j--; 6021 N--; 6022 } 6023 } 6024 } 6025 6026 // If the caller didn't request filter information, drop it now 6027 // so we don't have to marshall/unmarshall it. 6028 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6029 rii.filter = null; 6030 } 6031 } 6032 6033 // Filter out the caller activity if so requested. 6034 if (caller != null) { 6035 N = results.size(); 6036 for (int i=0; i<N; i++) { 6037 ActivityInfo ainfo = results.get(i).activityInfo; 6038 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6039 && caller.getClassName().equals(ainfo.name)) { 6040 results.remove(i); 6041 break; 6042 } 6043 } 6044 } 6045 6046 // If the caller didn't request filter information, 6047 // drop them now so we don't have to 6048 // marshall/unmarshall it. 6049 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6050 N = results.size(); 6051 for (int i=0; i<N; i++) { 6052 results.get(i).filter = null; 6053 } 6054 } 6055 6056 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6057 return results; 6058 } 6059 6060 @Override 6061 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6062 String resolvedType, int flags, int userId) { 6063 return new ParceledListSlice<>( 6064 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6065 } 6066 6067 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6068 String resolvedType, int flags, int userId) { 6069 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6070 flags = updateFlagsForResolve(flags, userId, intent); 6071 ComponentName comp = intent.getComponent(); 6072 if (comp == null) { 6073 if (intent.getSelector() != null) { 6074 intent = intent.getSelector(); 6075 comp = intent.getComponent(); 6076 } 6077 } 6078 if (comp != null) { 6079 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6080 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6081 if (ai != null) { 6082 ResolveInfo ri = new ResolveInfo(); 6083 ri.activityInfo = ai; 6084 list.add(ri); 6085 } 6086 return list; 6087 } 6088 6089 // reader 6090 synchronized (mPackages) { 6091 String pkgName = intent.getPackage(); 6092 if (pkgName == null) { 6093 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6094 } 6095 final PackageParser.Package pkg = mPackages.get(pkgName); 6096 if (pkg != null) { 6097 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6098 userId); 6099 } 6100 return Collections.emptyList(); 6101 } 6102 } 6103 6104 @Override 6105 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6106 if (!sUserManager.exists(userId)) return null; 6107 flags = updateFlagsForResolve(flags, userId, intent); 6108 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6109 if (query != null) { 6110 if (query.size() >= 1) { 6111 // If there is more than one service with the same priority, 6112 // just arbitrarily pick the first one. 6113 return query.get(0); 6114 } 6115 } 6116 return null; 6117 } 6118 6119 @Override 6120 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6121 String resolvedType, int flags, int userId) { 6122 return new ParceledListSlice<>( 6123 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6124 } 6125 6126 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6127 String resolvedType, int flags, int userId) { 6128 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6129 flags = updateFlagsForResolve(flags, userId, intent); 6130 ComponentName comp = intent.getComponent(); 6131 if (comp == null) { 6132 if (intent.getSelector() != null) { 6133 intent = intent.getSelector(); 6134 comp = intent.getComponent(); 6135 } 6136 } 6137 if (comp != null) { 6138 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6139 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6140 if (si != null) { 6141 final ResolveInfo ri = new ResolveInfo(); 6142 ri.serviceInfo = si; 6143 list.add(ri); 6144 } 6145 return list; 6146 } 6147 6148 // reader 6149 synchronized (mPackages) { 6150 String pkgName = intent.getPackage(); 6151 if (pkgName == null) { 6152 return mServices.queryIntent(intent, resolvedType, flags, userId); 6153 } 6154 final PackageParser.Package pkg = mPackages.get(pkgName); 6155 if (pkg != null) { 6156 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6157 userId); 6158 } 6159 return Collections.emptyList(); 6160 } 6161 } 6162 6163 @Override 6164 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6165 String resolvedType, int flags, int userId) { 6166 return new ParceledListSlice<>( 6167 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6168 } 6169 6170 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6171 Intent intent, String resolvedType, int flags, int userId) { 6172 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6173 flags = updateFlagsForResolve(flags, userId, intent); 6174 ComponentName comp = intent.getComponent(); 6175 if (comp == null) { 6176 if (intent.getSelector() != null) { 6177 intent = intent.getSelector(); 6178 comp = intent.getComponent(); 6179 } 6180 } 6181 if (comp != null) { 6182 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6183 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6184 if (pi != null) { 6185 final ResolveInfo ri = new ResolveInfo(); 6186 ri.providerInfo = pi; 6187 list.add(ri); 6188 } 6189 return list; 6190 } 6191 6192 // reader 6193 synchronized (mPackages) { 6194 String pkgName = intent.getPackage(); 6195 if (pkgName == null) { 6196 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6197 } 6198 final PackageParser.Package pkg = mPackages.get(pkgName); 6199 if (pkg != null) { 6200 return mProviders.queryIntentForPackage( 6201 intent, resolvedType, flags, pkg.providers, userId); 6202 } 6203 return Collections.emptyList(); 6204 } 6205 } 6206 6207 @Override 6208 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6209 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6210 flags = updateFlagsForPackage(flags, userId, null); 6211 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6212 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6213 true /* requireFullPermission */, false /* checkShell */, 6214 "get installed packages"); 6215 6216 // writer 6217 synchronized (mPackages) { 6218 ArrayList<PackageInfo> list; 6219 if (listUninstalled) { 6220 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6221 for (PackageSetting ps : mSettings.mPackages.values()) { 6222 final PackageInfo pi; 6223 if (ps.pkg != null) { 6224 pi = generatePackageInfo(ps, flags, userId); 6225 } else { 6226 pi = generatePackageInfo(ps, flags, userId); 6227 } 6228 if (pi != null) { 6229 list.add(pi); 6230 } 6231 } 6232 } else { 6233 list = new ArrayList<PackageInfo>(mPackages.size()); 6234 for (PackageParser.Package p : mPackages.values()) { 6235 final PackageInfo pi = 6236 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6237 if (pi != null) { 6238 list.add(pi); 6239 } 6240 } 6241 } 6242 6243 return new ParceledListSlice<PackageInfo>(list); 6244 } 6245 } 6246 6247 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6248 String[] permissions, boolean[] tmp, int flags, int userId) { 6249 int numMatch = 0; 6250 final PermissionsState permissionsState = ps.getPermissionsState(); 6251 for (int i=0; i<permissions.length; i++) { 6252 final String permission = permissions[i]; 6253 if (permissionsState.hasPermission(permission, userId)) { 6254 tmp[i] = true; 6255 numMatch++; 6256 } else { 6257 tmp[i] = false; 6258 } 6259 } 6260 if (numMatch == 0) { 6261 return; 6262 } 6263 final PackageInfo pi; 6264 if (ps.pkg != null) { 6265 pi = generatePackageInfo(ps, flags, userId); 6266 } else { 6267 pi = generatePackageInfo(ps, flags, userId); 6268 } 6269 // The above might return null in cases of uninstalled apps or install-state 6270 // skew across users/profiles. 6271 if (pi != null) { 6272 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6273 if (numMatch == permissions.length) { 6274 pi.requestedPermissions = permissions; 6275 } else { 6276 pi.requestedPermissions = new String[numMatch]; 6277 numMatch = 0; 6278 for (int i=0; i<permissions.length; i++) { 6279 if (tmp[i]) { 6280 pi.requestedPermissions[numMatch] = permissions[i]; 6281 numMatch++; 6282 } 6283 } 6284 } 6285 } 6286 list.add(pi); 6287 } 6288 } 6289 6290 @Override 6291 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6292 String[] permissions, int flags, int userId) { 6293 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6294 flags = updateFlagsForPackage(flags, userId, permissions); 6295 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6296 6297 // writer 6298 synchronized (mPackages) { 6299 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6300 boolean[] tmpBools = new boolean[permissions.length]; 6301 if (listUninstalled) { 6302 for (PackageSetting ps : mSettings.mPackages.values()) { 6303 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6304 } 6305 } else { 6306 for (PackageParser.Package pkg : mPackages.values()) { 6307 PackageSetting ps = (PackageSetting)pkg.mExtras; 6308 if (ps != null) { 6309 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6310 userId); 6311 } 6312 } 6313 } 6314 6315 return new ParceledListSlice<PackageInfo>(list); 6316 } 6317 } 6318 6319 @Override 6320 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6321 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6322 flags = updateFlagsForApplication(flags, userId, null); 6323 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6324 6325 // writer 6326 synchronized (mPackages) { 6327 ArrayList<ApplicationInfo> list; 6328 if (listUninstalled) { 6329 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6330 for (PackageSetting ps : mSettings.mPackages.values()) { 6331 ApplicationInfo ai; 6332 if (ps.pkg != null) { 6333 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6334 ps.readUserState(userId), userId); 6335 } else { 6336 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6337 } 6338 if (ai != null) { 6339 list.add(ai); 6340 } 6341 } 6342 } else { 6343 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6344 for (PackageParser.Package p : mPackages.values()) { 6345 if (p.mExtras != null) { 6346 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6347 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6348 if (ai != null) { 6349 list.add(ai); 6350 } 6351 } 6352 } 6353 } 6354 6355 return new ParceledListSlice<ApplicationInfo>(list); 6356 } 6357 } 6358 6359 @Override 6360 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6361 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6362 return null; 6363 } 6364 6365 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6366 "getEphemeralApplications"); 6367 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6368 true /* requireFullPermission */, false /* checkShell */, 6369 "getEphemeralApplications"); 6370 synchronized (mPackages) { 6371 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6372 .getEphemeralApplicationsLPw(userId); 6373 if (ephemeralApps != null) { 6374 return new ParceledListSlice<>(ephemeralApps); 6375 } 6376 } 6377 return null; 6378 } 6379 6380 @Override 6381 public boolean isEphemeralApplication(String packageName, int userId) { 6382 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6383 true /* requireFullPermission */, false /* checkShell */, 6384 "isEphemeral"); 6385 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6386 return false; 6387 } 6388 6389 if (!isCallerSameApp(packageName)) { 6390 return false; 6391 } 6392 synchronized (mPackages) { 6393 PackageParser.Package pkg = mPackages.get(packageName); 6394 if (pkg != null) { 6395 return pkg.applicationInfo.isEphemeralApp(); 6396 } 6397 } 6398 return false; 6399 } 6400 6401 @Override 6402 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6403 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6404 return null; 6405 } 6406 6407 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6408 true /* requireFullPermission */, false /* checkShell */, 6409 "getCookie"); 6410 if (!isCallerSameApp(packageName)) { 6411 return null; 6412 } 6413 synchronized (mPackages) { 6414 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6415 packageName, userId); 6416 } 6417 } 6418 6419 @Override 6420 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6421 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6422 return true; 6423 } 6424 6425 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6426 true /* requireFullPermission */, true /* checkShell */, 6427 "setCookie"); 6428 if (!isCallerSameApp(packageName)) { 6429 return false; 6430 } 6431 synchronized (mPackages) { 6432 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6433 packageName, cookie, userId); 6434 } 6435 } 6436 6437 @Override 6438 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6439 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6440 return null; 6441 } 6442 6443 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6444 "getEphemeralApplicationIcon"); 6445 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6446 true /* requireFullPermission */, false /* checkShell */, 6447 "getEphemeralApplicationIcon"); 6448 synchronized (mPackages) { 6449 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6450 packageName, userId); 6451 } 6452 } 6453 6454 private boolean isCallerSameApp(String packageName) { 6455 PackageParser.Package pkg = mPackages.get(packageName); 6456 return pkg != null 6457 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6458 } 6459 6460 @Override 6461 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6462 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6463 } 6464 6465 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6466 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6467 6468 // reader 6469 synchronized (mPackages) { 6470 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6471 final int userId = UserHandle.getCallingUserId(); 6472 while (i.hasNext()) { 6473 final PackageParser.Package p = i.next(); 6474 if (p.applicationInfo == null) continue; 6475 6476 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6477 && !p.applicationInfo.isDirectBootAware(); 6478 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6479 && p.applicationInfo.isDirectBootAware(); 6480 6481 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6482 && (!mSafeMode || isSystemApp(p)) 6483 && (matchesUnaware || matchesAware)) { 6484 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6485 if (ps != null) { 6486 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6487 ps.readUserState(userId), userId); 6488 if (ai != null) { 6489 finalList.add(ai); 6490 } 6491 } 6492 } 6493 } 6494 } 6495 6496 return finalList; 6497 } 6498 6499 @Override 6500 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6501 if (!sUserManager.exists(userId)) return null; 6502 flags = updateFlagsForComponent(flags, userId, name); 6503 // reader 6504 synchronized (mPackages) { 6505 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6506 PackageSetting ps = provider != null 6507 ? mSettings.mPackages.get(provider.owner.packageName) 6508 : null; 6509 return ps != null 6510 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6511 ? PackageParser.generateProviderInfo(provider, flags, 6512 ps.readUserState(userId), userId) 6513 : null; 6514 } 6515 } 6516 6517 /** 6518 * @deprecated 6519 */ 6520 @Deprecated 6521 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6522 // reader 6523 synchronized (mPackages) { 6524 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6525 .entrySet().iterator(); 6526 final int userId = UserHandle.getCallingUserId(); 6527 while (i.hasNext()) { 6528 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6529 PackageParser.Provider p = entry.getValue(); 6530 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6531 6532 if (ps != null && p.syncable 6533 && (!mSafeMode || (p.info.applicationInfo.flags 6534 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6535 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6536 ps.readUserState(userId), userId); 6537 if (info != null) { 6538 outNames.add(entry.getKey()); 6539 outInfo.add(info); 6540 } 6541 } 6542 } 6543 } 6544 } 6545 6546 @Override 6547 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6548 int uid, int flags) { 6549 final int userId = processName != null ? UserHandle.getUserId(uid) 6550 : UserHandle.getCallingUserId(); 6551 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6552 flags = updateFlagsForComponent(flags, userId, processName); 6553 6554 ArrayList<ProviderInfo> finalList = null; 6555 // reader 6556 synchronized (mPackages) { 6557 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6558 while (i.hasNext()) { 6559 final PackageParser.Provider p = i.next(); 6560 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6561 if (ps != null && p.info.authority != null 6562 && (processName == null 6563 || (p.info.processName.equals(processName) 6564 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6565 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6566 if (finalList == null) { 6567 finalList = new ArrayList<ProviderInfo>(3); 6568 } 6569 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6570 ps.readUserState(userId), userId); 6571 if (info != null) { 6572 finalList.add(info); 6573 } 6574 } 6575 } 6576 } 6577 6578 if (finalList != null) { 6579 Collections.sort(finalList, mProviderInitOrderSorter); 6580 return new ParceledListSlice<ProviderInfo>(finalList); 6581 } 6582 6583 return ParceledListSlice.emptyList(); 6584 } 6585 6586 @Override 6587 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6588 // reader 6589 synchronized (mPackages) { 6590 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6591 return PackageParser.generateInstrumentationInfo(i, flags); 6592 } 6593 } 6594 6595 @Override 6596 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6597 String targetPackage, int flags) { 6598 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6599 } 6600 6601 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6602 int flags) { 6603 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6604 6605 // reader 6606 synchronized (mPackages) { 6607 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6608 while (i.hasNext()) { 6609 final PackageParser.Instrumentation p = i.next(); 6610 if (targetPackage == null 6611 || targetPackage.equals(p.info.targetPackage)) { 6612 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6613 flags); 6614 if (ii != null) { 6615 finalList.add(ii); 6616 } 6617 } 6618 } 6619 } 6620 6621 return finalList; 6622 } 6623 6624 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6625 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6626 if (overlays == null) { 6627 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6628 return; 6629 } 6630 for (PackageParser.Package opkg : overlays.values()) { 6631 // Not much to do if idmap fails: we already logged the error 6632 // and we certainly don't want to abort installation of pkg simply 6633 // because an overlay didn't fit properly. For these reasons, 6634 // ignore the return value of createIdmapForPackagePairLI. 6635 createIdmapForPackagePairLI(pkg, opkg); 6636 } 6637 } 6638 6639 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6640 PackageParser.Package opkg) { 6641 if (!opkg.mTrustedOverlay) { 6642 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6643 opkg.baseCodePath + ": overlay not trusted"); 6644 return false; 6645 } 6646 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6647 if (overlaySet == null) { 6648 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6649 opkg.baseCodePath + " but target package has no known overlays"); 6650 return false; 6651 } 6652 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6653 // TODO: generate idmap for split APKs 6654 try { 6655 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6656 } catch (InstallerException e) { 6657 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6658 + opkg.baseCodePath); 6659 return false; 6660 } 6661 PackageParser.Package[] overlayArray = 6662 overlaySet.values().toArray(new PackageParser.Package[0]); 6663 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6664 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6665 return p1.mOverlayPriority - p2.mOverlayPriority; 6666 } 6667 }; 6668 Arrays.sort(overlayArray, cmp); 6669 6670 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6671 int i = 0; 6672 for (PackageParser.Package p : overlayArray) { 6673 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6674 } 6675 return true; 6676 } 6677 6678 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6679 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 6680 try { 6681 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6682 } finally { 6683 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6684 } 6685 } 6686 6687 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6688 final File[] files = dir.listFiles(); 6689 if (ArrayUtils.isEmpty(files)) { 6690 Log.d(TAG, "No files in app dir " + dir); 6691 return; 6692 } 6693 6694 if (DEBUG_PACKAGE_SCANNING) { 6695 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6696 + " flags=0x" + Integer.toHexString(parseFlags)); 6697 } 6698 6699 for (File file : files) { 6700 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6701 && !PackageInstallerService.isStageName(file.getName()); 6702 if (!isPackage) { 6703 // Ignore entries which are not packages 6704 continue; 6705 } 6706 try { 6707 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6708 scanFlags, currentTime, null); 6709 } catch (PackageManagerException e) { 6710 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6711 6712 // Delete invalid userdata apps 6713 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6714 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6715 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6716 removeCodePathLI(file); 6717 } 6718 } 6719 } 6720 } 6721 6722 private static File getSettingsProblemFile() { 6723 File dataDir = Environment.getDataDirectory(); 6724 File systemDir = new File(dataDir, "system"); 6725 File fname = new File(systemDir, "uiderrors.txt"); 6726 return fname; 6727 } 6728 6729 static void reportSettingsProblem(int priority, String msg) { 6730 logCriticalInfo(priority, msg); 6731 } 6732 6733 static void logCriticalInfo(int priority, String msg) { 6734 Slog.println(priority, TAG, msg); 6735 EventLogTags.writePmCriticalInfo(msg); 6736 try { 6737 File fname = getSettingsProblemFile(); 6738 FileOutputStream out = new FileOutputStream(fname, true); 6739 PrintWriter pw = new FastPrintWriter(out); 6740 SimpleDateFormat formatter = new SimpleDateFormat(); 6741 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6742 pw.println(dateString + ": " + msg); 6743 pw.close(); 6744 FileUtils.setPermissions( 6745 fname.toString(), 6746 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6747 -1, -1); 6748 } catch (java.io.IOException e) { 6749 } 6750 } 6751 6752 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6753 if (srcFile.isDirectory()) { 6754 final File baseFile = new File(pkg.baseCodePath); 6755 long maxModifiedTime = baseFile.lastModified(); 6756 if (pkg.splitCodePaths != null) { 6757 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6758 final File splitFile = new File(pkg.splitCodePaths[i]); 6759 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6760 } 6761 } 6762 return maxModifiedTime; 6763 } 6764 return srcFile.lastModified(); 6765 } 6766 6767 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6768 final int policyFlags) throws PackageManagerException { 6769 // When upgrading from pre-N MR1, verify the package time stamp using the package 6770 // directory and not the APK file. 6771 final long lastModifiedTime = mIsPreNMR1Upgrade 6772 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 6773 if (ps != null 6774 && ps.codePath.equals(srcFile) 6775 && ps.timeStamp == lastModifiedTime 6776 && !isCompatSignatureUpdateNeeded(pkg) 6777 && !isRecoverSignatureUpdateNeeded(pkg)) { 6778 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6779 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6780 ArraySet<PublicKey> signingKs; 6781 synchronized (mPackages) { 6782 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6783 } 6784 if (ps.signatures.mSignatures != null 6785 && ps.signatures.mSignatures.length != 0 6786 && signingKs != null) { 6787 // Optimization: reuse the existing cached certificates 6788 // if the package appears to be unchanged. 6789 pkg.mSignatures = ps.signatures.mSignatures; 6790 pkg.mSigningKeys = signingKs; 6791 return; 6792 } 6793 6794 Slog.w(TAG, "PackageSetting for " + ps.name 6795 + " is missing signatures. Collecting certs again to recover them."); 6796 } else { 6797 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 6798 } 6799 6800 try { 6801 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 6802 PackageParser.collectCertificates(pkg, policyFlags); 6803 } catch (PackageParserException e) { 6804 throw PackageManagerException.from(e); 6805 } finally { 6806 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6807 } 6808 } 6809 6810 /** 6811 * Traces a package scan. 6812 * @see #scanPackageLI(File, int, int, long, UserHandle) 6813 */ 6814 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6815 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6816 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 6817 try { 6818 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6819 } finally { 6820 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6821 } 6822 } 6823 6824 /** 6825 * Scans a package and returns the newly parsed package. 6826 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6827 */ 6828 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6829 long currentTime, UserHandle user) throws PackageManagerException { 6830 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6831 PackageParser pp = new PackageParser(); 6832 pp.setSeparateProcesses(mSeparateProcesses); 6833 pp.setOnlyCoreApps(mOnlyCore); 6834 pp.setDisplayMetrics(mMetrics); 6835 6836 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6837 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6838 } 6839 6840 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6841 final PackageParser.Package pkg; 6842 try { 6843 pkg = pp.parsePackage(scanFile, parseFlags); 6844 } catch (PackageParserException e) { 6845 throw PackageManagerException.from(e); 6846 } finally { 6847 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6848 } 6849 6850 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6851 } 6852 6853 /** 6854 * Scans a package and returns the newly parsed package. 6855 * @throws PackageManagerException on a parse error. 6856 */ 6857 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6858 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6859 throws PackageManagerException { 6860 // If the package has children and this is the first dive in the function 6861 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6862 // packages (parent and children) would be successfully scanned before the 6863 // actual scan since scanning mutates internal state and we want to atomically 6864 // install the package and its children. 6865 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6866 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6867 scanFlags |= SCAN_CHECK_ONLY; 6868 } 6869 } else { 6870 scanFlags &= ~SCAN_CHECK_ONLY; 6871 } 6872 6873 // Scan the parent 6874 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6875 scanFlags, currentTime, user); 6876 6877 // Scan the children 6878 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6879 for (int i = 0; i < childCount; i++) { 6880 PackageParser.Package childPackage = pkg.childPackages.get(i); 6881 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6882 currentTime, user); 6883 } 6884 6885 6886 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6887 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6888 } 6889 6890 return scannedPkg; 6891 } 6892 6893 /** 6894 * Scans a package and returns the newly parsed package. 6895 * @throws PackageManagerException on a parse error. 6896 */ 6897 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6898 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6899 throws PackageManagerException { 6900 PackageSetting ps = null; 6901 PackageSetting updatedPkg; 6902 // reader 6903 synchronized (mPackages) { 6904 // Look to see if we already know about this package. 6905 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 6906 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6907 // This package has been renamed to its original name. Let's 6908 // use that. 6909 ps = mSettings.getPackageLPr(oldName); 6910 } 6911 // If there was no original package, see one for the real package name. 6912 if (ps == null) { 6913 ps = mSettings.getPackageLPr(pkg.packageName); 6914 } 6915 // Check to see if this package could be hiding/updating a system 6916 // package. Must look for it either under the original or real 6917 // package name depending on our state. 6918 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6919 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6920 6921 // If this is a package we don't know about on the system partition, we 6922 // may need to remove disabled child packages on the system partition 6923 // or may need to not add child packages if the parent apk is updated 6924 // on the data partition and no longer defines this child package. 6925 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6926 // If this is a parent package for an updated system app and this system 6927 // app got an OTA update which no longer defines some of the child packages 6928 // we have to prune them from the disabled system packages. 6929 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6930 if (disabledPs != null) { 6931 final int scannedChildCount = (pkg.childPackages != null) 6932 ? pkg.childPackages.size() : 0; 6933 final int disabledChildCount = disabledPs.childPackageNames != null 6934 ? disabledPs.childPackageNames.size() : 0; 6935 for (int i = 0; i < disabledChildCount; i++) { 6936 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6937 boolean disabledPackageAvailable = false; 6938 for (int j = 0; j < scannedChildCount; j++) { 6939 PackageParser.Package childPkg = pkg.childPackages.get(j); 6940 if (childPkg.packageName.equals(disabledChildPackageName)) { 6941 disabledPackageAvailable = true; 6942 break; 6943 } 6944 } 6945 if (!disabledPackageAvailable) { 6946 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6947 } 6948 } 6949 } 6950 } 6951 } 6952 6953 boolean updatedPkgBetter = false; 6954 // First check if this is a system package that may involve an update 6955 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6956 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6957 // it needs to drop FLAG_PRIVILEGED. 6958 if (locationIsPrivileged(scanFile)) { 6959 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6960 } else { 6961 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6962 } 6963 6964 if (ps != null && !ps.codePath.equals(scanFile)) { 6965 // The path has changed from what was last scanned... check the 6966 // version of the new path against what we have stored to determine 6967 // what to do. 6968 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6969 if (pkg.mVersionCode <= ps.versionCode) { 6970 // The system package has been updated and the code path does not match 6971 // Ignore entry. Skip it. 6972 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6973 + " ignored: updated version " + ps.versionCode 6974 + " better than this " + pkg.mVersionCode); 6975 if (!updatedPkg.codePath.equals(scanFile)) { 6976 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6977 + ps.name + " changing from " + updatedPkg.codePathString 6978 + " to " + scanFile); 6979 updatedPkg.codePath = scanFile; 6980 updatedPkg.codePathString = scanFile.toString(); 6981 updatedPkg.resourcePath = scanFile; 6982 updatedPkg.resourcePathString = scanFile.toString(); 6983 } 6984 updatedPkg.pkg = pkg; 6985 updatedPkg.versionCode = pkg.mVersionCode; 6986 6987 // Update the disabled system child packages to point to the package too. 6988 final int childCount = updatedPkg.childPackageNames != null 6989 ? updatedPkg.childPackageNames.size() : 0; 6990 for (int i = 0; i < childCount; i++) { 6991 String childPackageName = updatedPkg.childPackageNames.get(i); 6992 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6993 childPackageName); 6994 if (updatedChildPkg != null) { 6995 updatedChildPkg.pkg = pkg; 6996 updatedChildPkg.versionCode = pkg.mVersionCode; 6997 } 6998 } 6999 7000 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7001 + scanFile + " ignored: updated version " + ps.versionCode 7002 + " better than this " + pkg.mVersionCode); 7003 } else { 7004 // The current app on the system partition is better than 7005 // what we have updated to on the data partition; switch 7006 // back to the system partition version. 7007 // At this point, its safely assumed that package installation for 7008 // apps in system partition will go through. If not there won't be a working 7009 // version of the app 7010 // writer 7011 synchronized (mPackages) { 7012 // Just remove the loaded entries from package lists. 7013 mPackages.remove(ps.name); 7014 } 7015 7016 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7017 + " reverting from " + ps.codePathString 7018 + ": new version " + pkg.mVersionCode 7019 + " better than installed " + ps.versionCode); 7020 7021 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7022 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7023 synchronized (mInstallLock) { 7024 args.cleanUpResourcesLI(); 7025 } 7026 synchronized (mPackages) { 7027 mSettings.enableSystemPackageLPw(ps.name); 7028 } 7029 updatedPkgBetter = true; 7030 } 7031 } 7032 } 7033 7034 if (updatedPkg != null) { 7035 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7036 // initially 7037 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7038 7039 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7040 // flag set initially 7041 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7042 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7043 } 7044 } 7045 7046 // Verify certificates against what was last scanned 7047 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7048 7049 /* 7050 * A new system app appeared, but we already had a non-system one of the 7051 * same name installed earlier. 7052 */ 7053 boolean shouldHideSystemApp = false; 7054 if (updatedPkg == null && ps != null 7055 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7056 /* 7057 * Check to make sure the signatures match first. If they don't, 7058 * wipe the installed application and its data. 7059 */ 7060 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7061 != PackageManager.SIGNATURE_MATCH) { 7062 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7063 + " signatures don't match existing userdata copy; removing"); 7064 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7065 "scanPackageInternalLI")) { 7066 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7067 } 7068 ps = null; 7069 } else { 7070 /* 7071 * If the newly-added system app is an older version than the 7072 * already installed version, hide it. It will be scanned later 7073 * and re-added like an update. 7074 */ 7075 if (pkg.mVersionCode <= ps.versionCode) { 7076 shouldHideSystemApp = true; 7077 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7078 + " but new version " + pkg.mVersionCode + " better than installed " 7079 + ps.versionCode + "; hiding system"); 7080 } else { 7081 /* 7082 * The newly found system app is a newer version that the 7083 * one previously installed. Simply remove the 7084 * already-installed application and replace it with our own 7085 * while keeping the application data. 7086 */ 7087 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7088 + " reverting from " + ps.codePathString + ": new version " 7089 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7090 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7091 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7092 synchronized (mInstallLock) { 7093 args.cleanUpResourcesLI(); 7094 } 7095 } 7096 } 7097 } 7098 7099 // The apk is forward locked (not public) if its code and resources 7100 // are kept in different files. (except for app in either system or 7101 // vendor path). 7102 // TODO grab this value from PackageSettings 7103 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7104 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7105 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7106 } 7107 } 7108 7109 // TODO: extend to support forward-locked splits 7110 String resourcePath = null; 7111 String baseResourcePath = null; 7112 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7113 if (ps != null && ps.resourcePathString != null) { 7114 resourcePath = ps.resourcePathString; 7115 baseResourcePath = ps.resourcePathString; 7116 } else { 7117 // Should not happen at all. Just log an error. 7118 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7119 } 7120 } else { 7121 resourcePath = pkg.codePath; 7122 baseResourcePath = pkg.baseCodePath; 7123 } 7124 7125 // Set application objects path explicitly. 7126 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7127 pkg.setApplicationInfoCodePath(pkg.codePath); 7128 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7129 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7130 pkg.setApplicationInfoResourcePath(resourcePath); 7131 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7132 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7133 7134 // Note that we invoke the following method only if we are about to unpack an application 7135 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7136 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7137 7138 /* 7139 * If the system app should be overridden by a previously installed 7140 * data, hide the system app now and let the /data/app scan pick it up 7141 * again. 7142 */ 7143 if (shouldHideSystemApp) { 7144 synchronized (mPackages) { 7145 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7146 } 7147 } 7148 7149 return scannedPkg; 7150 } 7151 7152 private static String fixProcessName(String defProcessName, 7153 String processName) { 7154 if (processName == null) { 7155 return defProcessName; 7156 } 7157 return processName; 7158 } 7159 7160 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7161 throws PackageManagerException { 7162 if (pkgSetting.signatures.mSignatures != null) { 7163 // Already existing package. Make sure signatures match 7164 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7165 == PackageManager.SIGNATURE_MATCH; 7166 if (!match) { 7167 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7168 == PackageManager.SIGNATURE_MATCH; 7169 } 7170 if (!match) { 7171 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7172 == PackageManager.SIGNATURE_MATCH; 7173 } 7174 if (!match) { 7175 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7176 + pkg.packageName + " signatures do not match the " 7177 + "previously installed version; ignoring!"); 7178 } 7179 } 7180 7181 // Check for shared user signatures 7182 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7183 // Already existing package. Make sure signatures match 7184 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7185 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7186 if (!match) { 7187 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7188 == PackageManager.SIGNATURE_MATCH; 7189 } 7190 if (!match) { 7191 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7192 == PackageManager.SIGNATURE_MATCH; 7193 } 7194 if (!match) { 7195 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7196 "Package " + pkg.packageName 7197 + " has no signatures that match those in shared user " 7198 + pkgSetting.sharedUser.name + "; ignoring!"); 7199 } 7200 } 7201 } 7202 7203 /** 7204 * Enforces that only the system UID or root's UID can call a method exposed 7205 * via Binder. 7206 * 7207 * @param message used as message if SecurityException is thrown 7208 * @throws SecurityException if the caller is not system or root 7209 */ 7210 private static final void enforceSystemOrRoot(String message) { 7211 final int uid = Binder.getCallingUid(); 7212 if (uid != Process.SYSTEM_UID && uid != 0) { 7213 throw new SecurityException(message); 7214 } 7215 } 7216 7217 @Override 7218 public void performFstrimIfNeeded() { 7219 enforceSystemOrRoot("Only the system can request fstrim"); 7220 7221 // Before everything else, see whether we need to fstrim. 7222 try { 7223 IMountService ms = PackageHelper.getMountService(); 7224 if (ms != null) { 7225 boolean doTrim = false; 7226 final long interval = android.provider.Settings.Global.getLong( 7227 mContext.getContentResolver(), 7228 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7229 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7230 if (interval > 0) { 7231 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7232 if (timeSinceLast > interval) { 7233 doTrim = true; 7234 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7235 + "; running immediately"); 7236 } 7237 } 7238 if (doTrim) { 7239 final boolean dexOptDialogShown; 7240 synchronized (mPackages) { 7241 dexOptDialogShown = mDexOptDialogShown; 7242 } 7243 if (!isFirstBoot() && dexOptDialogShown) { 7244 try { 7245 ActivityManagerNative.getDefault().showBootMessage( 7246 mContext.getResources().getString( 7247 R.string.android_upgrading_fstrim), true); 7248 } catch (RemoteException e) { 7249 } 7250 } 7251 ms.runMaintenance(); 7252 } 7253 } else { 7254 Slog.e(TAG, "Mount service unavailable!"); 7255 } 7256 } catch (RemoteException e) { 7257 // Can't happen; MountService is local 7258 } 7259 } 7260 7261 @Override 7262 public void updatePackagesIfNeeded() { 7263 enforceSystemOrRoot("Only the system can request package update"); 7264 7265 // We need to re-extract after an OTA. 7266 boolean causeUpgrade = isUpgrade(); 7267 7268 // First boot or factory reset. 7269 // Note: we also handle devices that are upgrading to N right now as if it is their 7270 // first boot, as they do not have profile data. 7271 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7272 7273 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7274 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7275 7276 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7277 return; 7278 } 7279 7280 List<PackageParser.Package> pkgs; 7281 synchronized (mPackages) { 7282 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7283 } 7284 7285 final long startTime = System.nanoTime(); 7286 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7287 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7288 7289 final int elapsedTimeSeconds = 7290 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7291 7292 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7293 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7294 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7295 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7296 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7297 } 7298 7299 /** 7300 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7301 * containing statistics about the invocation. The array consists of three elements, 7302 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7303 * and {@code numberOfPackagesFailed}. 7304 */ 7305 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7306 String compilerFilter) { 7307 7308 int numberOfPackagesVisited = 0; 7309 int numberOfPackagesOptimized = 0; 7310 int numberOfPackagesSkipped = 0; 7311 int numberOfPackagesFailed = 0; 7312 final int numberOfPackagesToDexopt = pkgs.size(); 7313 7314 for (PackageParser.Package pkg : pkgs) { 7315 numberOfPackagesVisited++; 7316 7317 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7318 if (DEBUG_DEXOPT) { 7319 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7320 } 7321 numberOfPackagesSkipped++; 7322 continue; 7323 } 7324 7325 if (DEBUG_DEXOPT) { 7326 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7327 numberOfPackagesToDexopt + ": " + pkg.packageName); 7328 } 7329 7330 if (showDialog) { 7331 try { 7332 ActivityManagerNative.getDefault().showBootMessage( 7333 mContext.getResources().getString(R.string.android_upgrading_apk, 7334 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7335 } catch (RemoteException e) { 7336 } 7337 synchronized (mPackages) { 7338 mDexOptDialogShown = true; 7339 } 7340 } 7341 7342 // If the OTA updates a system app which was previously preopted to a non-preopted state 7343 // the app might end up being verified at runtime. That's because by default the apps 7344 // are verify-profile but for preopted apps there's no profile. 7345 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7346 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7347 // filter (by default interpret-only). 7348 // Note that at this stage unused apps are already filtered. 7349 if (isSystemApp(pkg) && 7350 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7351 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7352 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7353 } 7354 7355 // If the OTA updates a system app which was previously preopted to a non-preopted state 7356 // the app might end up being verified at runtime. That's because by default the apps 7357 // are verify-profile but for preopted apps there's no profile. 7358 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7359 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7360 // filter (by default interpret-only). 7361 // Note that at this stage unused apps are already filtered. 7362 if (isSystemApp(pkg) && 7363 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7364 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7365 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7366 } 7367 7368 // checkProfiles is false to avoid merging profiles during boot which 7369 // might interfere with background compilation (b/28612421). 7370 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7371 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7372 // trade-off worth doing to save boot time work. 7373 int dexOptStatus = performDexOptTraced(pkg.packageName, 7374 false /* checkProfiles */, 7375 compilerFilter, 7376 false /* force */); 7377 switch (dexOptStatus) { 7378 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7379 numberOfPackagesOptimized++; 7380 break; 7381 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7382 numberOfPackagesSkipped++; 7383 break; 7384 case PackageDexOptimizer.DEX_OPT_FAILED: 7385 numberOfPackagesFailed++; 7386 break; 7387 default: 7388 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7389 break; 7390 } 7391 } 7392 7393 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7394 numberOfPackagesFailed }; 7395 } 7396 7397 @Override 7398 public void notifyPackageUse(String packageName, int reason) { 7399 synchronized (mPackages) { 7400 PackageParser.Package p = mPackages.get(packageName); 7401 if (p == null) { 7402 return; 7403 } 7404 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7405 } 7406 } 7407 7408 // TODO: this is not used nor needed. Delete it. 7409 @Override 7410 public boolean performDexOptIfNeeded(String packageName) { 7411 int dexOptStatus = performDexOptTraced(packageName, 7412 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7413 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7414 } 7415 7416 @Override 7417 public boolean performDexOpt(String packageName, 7418 boolean checkProfiles, int compileReason, boolean force) { 7419 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7420 getCompilerFilterForReason(compileReason), force); 7421 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7422 } 7423 7424 @Override 7425 public boolean performDexOptMode(String packageName, 7426 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7427 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7428 targetCompilerFilter, force); 7429 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7430 } 7431 7432 private int performDexOptTraced(String packageName, 7433 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7434 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7435 try { 7436 return performDexOptInternal(packageName, checkProfiles, 7437 targetCompilerFilter, force); 7438 } finally { 7439 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7440 } 7441 } 7442 7443 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7444 // if the package can now be considered up to date for the given filter. 7445 private int performDexOptInternal(String packageName, 7446 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7447 PackageParser.Package p; 7448 synchronized (mPackages) { 7449 p = mPackages.get(packageName); 7450 if (p == null) { 7451 // Package could not be found. Report failure. 7452 return PackageDexOptimizer.DEX_OPT_FAILED; 7453 } 7454 mPackageUsage.maybeWriteAsync(mPackages); 7455 mCompilerStats.maybeWriteAsync(); 7456 } 7457 long callingId = Binder.clearCallingIdentity(); 7458 try { 7459 synchronized (mInstallLock) { 7460 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7461 targetCompilerFilter, force); 7462 } 7463 } finally { 7464 Binder.restoreCallingIdentity(callingId); 7465 } 7466 } 7467 7468 public ArraySet<String> getOptimizablePackages() { 7469 ArraySet<String> pkgs = new ArraySet<String>(); 7470 synchronized (mPackages) { 7471 for (PackageParser.Package p : mPackages.values()) { 7472 if (PackageDexOptimizer.canOptimizePackage(p)) { 7473 pkgs.add(p.packageName); 7474 } 7475 } 7476 } 7477 return pkgs; 7478 } 7479 7480 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7481 boolean checkProfiles, String targetCompilerFilter, 7482 boolean force) { 7483 // Select the dex optimizer based on the force parameter. 7484 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7485 // allocate an object here. 7486 PackageDexOptimizer pdo = force 7487 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7488 : mPackageDexOptimizer; 7489 7490 // Optimize all dependencies first. Note: we ignore the return value and march on 7491 // on errors. 7492 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7493 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7494 if (!deps.isEmpty()) { 7495 for (PackageParser.Package depPackage : deps) { 7496 // TODO: Analyze and investigate if we (should) profile libraries. 7497 // Currently this will do a full compilation of the library by default. 7498 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7499 false /* checkProfiles */, 7500 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7501 getOrCreateCompilerPackageStats(depPackage)); 7502 } 7503 } 7504 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7505 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7506 } 7507 7508 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7509 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7510 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7511 Set<String> collectedNames = new HashSet<>(); 7512 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7513 7514 retValue.remove(p); 7515 7516 return retValue; 7517 } else { 7518 return Collections.emptyList(); 7519 } 7520 } 7521 7522 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7523 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7524 if (!collectedNames.contains(p.packageName)) { 7525 collectedNames.add(p.packageName); 7526 collected.add(p); 7527 7528 if (p.usesLibraries != null) { 7529 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7530 } 7531 if (p.usesOptionalLibraries != null) { 7532 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7533 collectedNames); 7534 } 7535 } 7536 } 7537 7538 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7539 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7540 for (String libName : libs) { 7541 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7542 if (libPkg != null) { 7543 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7544 } 7545 } 7546 } 7547 7548 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7549 synchronized (mPackages) { 7550 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7551 if (lib != null && lib.apk != null) { 7552 return mPackages.get(lib.apk); 7553 } 7554 } 7555 return null; 7556 } 7557 7558 public void shutdown() { 7559 mPackageUsage.writeNow(mPackages); 7560 mCompilerStats.writeNow(); 7561 } 7562 7563 @Override 7564 public void dumpProfiles(String packageName) { 7565 PackageParser.Package pkg; 7566 synchronized (mPackages) { 7567 pkg = mPackages.get(packageName); 7568 if (pkg == null) { 7569 throw new IllegalArgumentException("Unknown package: " + packageName); 7570 } 7571 } 7572 /* Only the shell, root, or the app user should be able to dump profiles. */ 7573 int callingUid = Binder.getCallingUid(); 7574 if (callingUid != Process.SHELL_UID && 7575 callingUid != Process.ROOT_UID && 7576 callingUid != pkg.applicationInfo.uid) { 7577 throw new SecurityException("dumpProfiles"); 7578 } 7579 7580 synchronized (mInstallLock) { 7581 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7582 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7583 try { 7584 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7585 String gid = Integer.toString(sharedGid); 7586 String codePaths = TextUtils.join(";", allCodePaths); 7587 mInstaller.dumpProfiles(gid, packageName, codePaths); 7588 } catch (InstallerException e) { 7589 Slog.w(TAG, "Failed to dump profiles", e); 7590 } 7591 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7592 } 7593 } 7594 7595 @Override 7596 public void forceDexOpt(String packageName) { 7597 enforceSystemOrRoot("forceDexOpt"); 7598 7599 PackageParser.Package pkg; 7600 synchronized (mPackages) { 7601 pkg = mPackages.get(packageName); 7602 if (pkg == null) { 7603 throw new IllegalArgumentException("Unknown package: " + packageName); 7604 } 7605 } 7606 7607 synchronized (mInstallLock) { 7608 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7609 7610 // Whoever is calling forceDexOpt wants a fully compiled package. 7611 // Don't use profiles since that may cause compilation to be skipped. 7612 final int res = performDexOptInternalWithDependenciesLI(pkg, 7613 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7614 true /* force */); 7615 7616 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7617 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7618 throw new IllegalStateException("Failed to dexopt: " + res); 7619 } 7620 } 7621 } 7622 7623 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7624 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7625 Slog.w(TAG, "Unable to update from " + oldPkg.name 7626 + " to " + newPkg.packageName 7627 + ": old package not in system partition"); 7628 return false; 7629 } else if (mPackages.get(oldPkg.name) != null) { 7630 Slog.w(TAG, "Unable to update from " + oldPkg.name 7631 + " to " + newPkg.packageName 7632 + ": old package still exists"); 7633 return false; 7634 } 7635 return true; 7636 } 7637 7638 void removeCodePathLI(File codePath) { 7639 if (codePath.isDirectory()) { 7640 try { 7641 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7642 } catch (InstallerException e) { 7643 Slog.w(TAG, "Failed to remove code path", e); 7644 } 7645 } else { 7646 codePath.delete(); 7647 } 7648 } 7649 7650 private int[] resolveUserIds(int userId) { 7651 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7652 } 7653 7654 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7655 if (pkg == null) { 7656 Slog.wtf(TAG, "Package was null!", new Throwable()); 7657 return; 7658 } 7659 clearAppDataLeafLIF(pkg, userId, flags); 7660 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7661 for (int i = 0; i < childCount; i++) { 7662 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7663 } 7664 } 7665 7666 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7667 final PackageSetting ps; 7668 synchronized (mPackages) { 7669 ps = mSettings.mPackages.get(pkg.packageName); 7670 } 7671 for (int realUserId : resolveUserIds(userId)) { 7672 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7673 try { 7674 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7675 ceDataInode); 7676 } catch (InstallerException e) { 7677 Slog.w(TAG, String.valueOf(e)); 7678 } 7679 } 7680 } 7681 7682 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7683 if (pkg == null) { 7684 Slog.wtf(TAG, "Package was null!", new Throwable()); 7685 return; 7686 } 7687 destroyAppDataLeafLIF(pkg, userId, flags); 7688 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7689 for (int i = 0; i < childCount; i++) { 7690 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7691 } 7692 } 7693 7694 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7695 final PackageSetting ps; 7696 synchronized (mPackages) { 7697 ps = mSettings.mPackages.get(pkg.packageName); 7698 } 7699 for (int realUserId : resolveUserIds(userId)) { 7700 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7701 try { 7702 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7703 ceDataInode); 7704 } catch (InstallerException e) { 7705 Slog.w(TAG, String.valueOf(e)); 7706 } 7707 } 7708 } 7709 7710 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7711 if (pkg == null) { 7712 Slog.wtf(TAG, "Package was null!", new Throwable()); 7713 return; 7714 } 7715 destroyAppProfilesLeafLIF(pkg); 7716 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7717 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7718 for (int i = 0; i < childCount; i++) { 7719 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7720 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7721 true /* removeBaseMarker */); 7722 } 7723 } 7724 7725 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7726 boolean removeBaseMarker) { 7727 if (pkg.isForwardLocked()) { 7728 return; 7729 } 7730 7731 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7732 try { 7733 path = PackageManagerServiceUtils.realpath(new File(path)); 7734 } catch (IOException e) { 7735 // TODO: Should we return early here ? 7736 Slog.w(TAG, "Failed to get canonical path", e); 7737 continue; 7738 } 7739 7740 final String useMarker = path.replace('/', '@'); 7741 for (int realUserId : resolveUserIds(userId)) { 7742 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7743 if (removeBaseMarker) { 7744 File foreignUseMark = new File(profileDir, useMarker); 7745 if (foreignUseMark.exists()) { 7746 if (!foreignUseMark.delete()) { 7747 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7748 + pkg.packageName); 7749 } 7750 } 7751 } 7752 7753 File[] markers = profileDir.listFiles(); 7754 if (markers != null) { 7755 final String searchString = "@" + pkg.packageName + "@"; 7756 // We also delete all markers that contain the package name we're 7757 // uninstalling. These are associated with secondary dex-files belonging 7758 // to the package. Reconstructing the path of these dex files is messy 7759 // in general. 7760 for (File marker : markers) { 7761 if (marker.getName().indexOf(searchString) > 0) { 7762 if (!marker.delete()) { 7763 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7764 + pkg.packageName); 7765 } 7766 } 7767 } 7768 } 7769 } 7770 } 7771 } 7772 7773 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7774 try { 7775 mInstaller.destroyAppProfiles(pkg.packageName); 7776 } catch (InstallerException e) { 7777 Slog.w(TAG, String.valueOf(e)); 7778 } 7779 } 7780 7781 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7782 if (pkg == null) { 7783 Slog.wtf(TAG, "Package was null!", new Throwable()); 7784 return; 7785 } 7786 clearAppProfilesLeafLIF(pkg); 7787 // We don't remove the base foreign use marker when clearing profiles because 7788 // we will rename it when the app is updated. Unlike the actual profile contents, 7789 // the foreign use marker is good across installs. 7790 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7791 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7792 for (int i = 0; i < childCount; i++) { 7793 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7794 } 7795 } 7796 7797 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7798 try { 7799 mInstaller.clearAppProfiles(pkg.packageName); 7800 } catch (InstallerException e) { 7801 Slog.w(TAG, String.valueOf(e)); 7802 } 7803 } 7804 7805 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7806 long lastUpdateTime) { 7807 // Set parent install/update time 7808 PackageSetting ps = (PackageSetting) pkg.mExtras; 7809 if (ps != null) { 7810 ps.firstInstallTime = firstInstallTime; 7811 ps.lastUpdateTime = lastUpdateTime; 7812 } 7813 // Set children install/update time 7814 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7815 for (int i = 0; i < childCount; i++) { 7816 PackageParser.Package childPkg = pkg.childPackages.get(i); 7817 ps = (PackageSetting) childPkg.mExtras; 7818 if (ps != null) { 7819 ps.firstInstallTime = firstInstallTime; 7820 ps.lastUpdateTime = lastUpdateTime; 7821 } 7822 } 7823 } 7824 7825 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7826 PackageParser.Package changingLib) { 7827 if (file.path != null) { 7828 usesLibraryFiles.add(file.path); 7829 return; 7830 } 7831 PackageParser.Package p = mPackages.get(file.apk); 7832 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7833 // If we are doing this while in the middle of updating a library apk, 7834 // then we need to make sure to use that new apk for determining the 7835 // dependencies here. (We haven't yet finished committing the new apk 7836 // to the package manager state.) 7837 if (p == null || p.packageName.equals(changingLib.packageName)) { 7838 p = changingLib; 7839 } 7840 } 7841 if (p != null) { 7842 usesLibraryFiles.addAll(p.getAllCodePaths()); 7843 } 7844 } 7845 7846 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 7847 PackageParser.Package changingLib) throws PackageManagerException { 7848 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7849 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7850 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7851 for (int i=0; i<N; i++) { 7852 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7853 if (file == null) { 7854 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7855 "Package " + pkg.packageName + " requires unavailable shared library " 7856 + pkg.usesLibraries.get(i) + "; failing!"); 7857 } 7858 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 7859 } 7860 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7861 for (int i=0; i<N; i++) { 7862 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7863 if (file == null) { 7864 Slog.w(TAG, "Package " + pkg.packageName 7865 + " desires unavailable shared library " 7866 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7867 } else { 7868 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 7869 } 7870 } 7871 N = usesLibraryFiles.size(); 7872 if (N > 0) { 7873 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7874 } else { 7875 pkg.usesLibraryFiles = null; 7876 } 7877 } 7878 } 7879 7880 private static boolean hasString(List<String> list, List<String> which) { 7881 if (list == null) { 7882 return false; 7883 } 7884 for (int i=list.size()-1; i>=0; i--) { 7885 for (int j=which.size()-1; j>=0; j--) { 7886 if (which.get(j).equals(list.get(i))) { 7887 return true; 7888 } 7889 } 7890 } 7891 return false; 7892 } 7893 7894 private void updateAllSharedLibrariesLPw() { 7895 for (PackageParser.Package pkg : mPackages.values()) { 7896 try { 7897 updateSharedLibrariesLPr(pkg, null); 7898 } catch (PackageManagerException e) { 7899 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7900 } 7901 } 7902 } 7903 7904 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7905 PackageParser.Package changingPkg) { 7906 ArrayList<PackageParser.Package> res = null; 7907 for (PackageParser.Package pkg : mPackages.values()) { 7908 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7909 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7910 if (res == null) { 7911 res = new ArrayList<PackageParser.Package>(); 7912 } 7913 res.add(pkg); 7914 try { 7915 updateSharedLibrariesLPr(pkg, changingPkg); 7916 } catch (PackageManagerException e) { 7917 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7918 } 7919 } 7920 } 7921 return res; 7922 } 7923 7924 /** 7925 * Derive the value of the {@code cpuAbiOverride} based on the provided 7926 * value and an optional stored value from the package settings. 7927 */ 7928 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7929 String cpuAbiOverride = null; 7930 7931 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7932 cpuAbiOverride = null; 7933 } else if (abiOverride != null) { 7934 cpuAbiOverride = abiOverride; 7935 } else if (settings != null) { 7936 cpuAbiOverride = settings.cpuAbiOverrideString; 7937 } 7938 7939 return cpuAbiOverride; 7940 } 7941 7942 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7943 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7944 throws PackageManagerException { 7945 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7946 // If the package has children and this is the first dive in the function 7947 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7948 // whether all packages (parent and children) would be successfully scanned 7949 // before the actual scan since scanning mutates internal state and we want 7950 // to atomically install the package and its children. 7951 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7952 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7953 scanFlags |= SCAN_CHECK_ONLY; 7954 } 7955 } else { 7956 scanFlags &= ~SCAN_CHECK_ONLY; 7957 } 7958 7959 final PackageParser.Package scannedPkg; 7960 try { 7961 // Scan the parent 7962 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7963 // Scan the children 7964 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7965 for (int i = 0; i < childCount; i++) { 7966 PackageParser.Package childPkg = pkg.childPackages.get(i); 7967 scanPackageLI(childPkg, policyFlags, 7968 scanFlags, currentTime, user); 7969 } 7970 } finally { 7971 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7972 } 7973 7974 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7975 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7976 } 7977 7978 return scannedPkg; 7979 } 7980 7981 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7982 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7983 boolean success = false; 7984 try { 7985 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7986 currentTime, user); 7987 success = true; 7988 return res; 7989 } finally { 7990 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7991 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7992 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7993 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7994 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7995 } 7996 } 7997 } 7998 7999 /** 8000 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 8001 */ 8002 private static boolean apkHasCode(String fileName) { 8003 StrictJarFile jarFile = null; 8004 try { 8005 jarFile = new StrictJarFile(fileName, 8006 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8007 return jarFile.findEntry("classes.dex") != null; 8008 } catch (IOException ignore) { 8009 } finally { 8010 try { 8011 if (jarFile != null) { 8012 jarFile.close(); 8013 } 8014 } catch (IOException ignore) {} 8015 } 8016 return false; 8017 } 8018 8019 /** 8020 * Enforces code policy for the package. This ensures that if an APK has 8021 * declared hasCode="true" in its manifest that the APK actually contains 8022 * code. 8023 * 8024 * @throws PackageManagerException If bytecode could not be found when it should exist 8025 */ 8026 private static void assertCodePolicy(PackageParser.Package pkg) 8027 throws PackageManagerException { 8028 final boolean shouldHaveCode = 8029 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8030 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8031 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8032 "Package " + pkg.baseCodePath + " code is missing"); 8033 } 8034 8035 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8036 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8037 final boolean splitShouldHaveCode = 8038 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8039 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8040 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8041 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8042 } 8043 } 8044 } 8045 } 8046 8047 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8048 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8049 throws PackageManagerException { 8050 if (DEBUG_PACKAGE_SCANNING) { 8051 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8052 Log.d(TAG, "Scanning package " + pkg.packageName); 8053 } 8054 8055 applyPolicy(pkg, policyFlags); 8056 8057 assertPackageIsValid(pkg, policyFlags); 8058 8059 // Initialize package source and resource directories 8060 final File scanFile = new File(pkg.codePath); 8061 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8062 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8063 8064 SharedUserSetting suid = null; 8065 PackageSetting pkgSetting = null; 8066 8067 // Getting the package setting may have a side-effect, so if we 8068 // are only checking if scan would succeed, stash a copy of the 8069 // old setting to restore at the end. 8070 PackageSetting nonMutatedPs = null; 8071 8072 // writer 8073 synchronized (mPackages) { 8074 if (pkg.mSharedUserId != null) { 8075 // SIDE EFFECTS; may potentially allocate a new shared user 8076 suid = mSettings.getSharedUserLPw( 8077 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 8078 if (DEBUG_PACKAGE_SCANNING) { 8079 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8080 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8081 + "): packages=" + suid.packages); 8082 } 8083 } 8084 8085 // Check if we are renaming from an original package name. 8086 PackageSetting origPackage = null; 8087 String realName = null; 8088 if (pkg.mOriginalPackages != null) { 8089 // This package may need to be renamed to a previously 8090 // installed name. Let's check on that... 8091 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8092 if (pkg.mOriginalPackages.contains(renamed)) { 8093 // This package had originally been installed as the 8094 // original name, and we have already taken care of 8095 // transitioning to the new one. Just update the new 8096 // one to continue using the old name. 8097 realName = pkg.mRealPackage; 8098 if (!pkg.packageName.equals(renamed)) { 8099 // Callers into this function may have already taken 8100 // care of renaming the package; only do it here if 8101 // it is not already done. 8102 pkg.setPackageName(renamed); 8103 } 8104 } else { 8105 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8106 if ((origPackage = mSettings.getPackageLPr( 8107 pkg.mOriginalPackages.get(i))) != null) { 8108 // We do have the package already installed under its 8109 // original name... should we use it? 8110 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8111 // New package is not compatible with original. 8112 origPackage = null; 8113 continue; 8114 } else if (origPackage.sharedUser != null) { 8115 // Make sure uid is compatible between packages. 8116 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8117 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8118 + " to " + pkg.packageName + ": old uid " 8119 + origPackage.sharedUser.name 8120 + " differs from " + pkg.mSharedUserId); 8121 origPackage = null; 8122 continue; 8123 } 8124 // TODO: Add case when shared user id is added [b/28144775] 8125 } else { 8126 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8127 + pkg.packageName + " to old name " + origPackage.name); 8128 } 8129 break; 8130 } 8131 } 8132 } 8133 } 8134 8135 if (mTransferedPackages.contains(pkg.packageName)) { 8136 Slog.w(TAG, "Package " + pkg.packageName 8137 + " was transferred to another, but its .apk remains"); 8138 } 8139 8140 // See comments in nonMutatedPs declaration 8141 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8142 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 8143 if (foundPs != null) { 8144 nonMutatedPs = new PackageSetting(foundPs); 8145 } 8146 } 8147 8148 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 8149 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 8150 PackageManagerService.reportSettingsProblem(Log.WARN, 8151 "Package " + pkg.packageName + " shared user changed from " 8152 + (pkgSetting.sharedUser != null 8153 ? pkgSetting.sharedUser.name : "<nothing>") 8154 + " to " 8155 + (suid != null ? suid.name : "<nothing>") 8156 + "; replacing with new"); 8157 pkgSetting = null; 8158 } 8159 final PackageSetting oldPkgSetting = 8160 pkgSetting == null ? null : new PackageSetting(pkgSetting); 8161 final PackageSetting disabledPkgSetting = 8162 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8163 if (pkgSetting == null) { 8164 final String parentPackageName = (pkg.parentPackage != null) 8165 ? pkg.parentPackage.packageName : null; 8166 // REMOVE SharedUserSetting from method; update in a separate call 8167 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 8168 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 8169 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 8170 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 8171 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 8172 true /*allowInstall*/, parentPackageName, pkg.getChildPackageNames(), 8173 UserManagerService.getInstance()); 8174 // SIDE EFFECTS; updates system state; move elsewhere 8175 if (origPackage != null) { 8176 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 8177 } 8178 mSettings.addUserToSettingLPw(pkgSetting); 8179 } else { 8180 // REMOVE SharedUserSetting from method; update in a separate call 8181 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 8182 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 8183 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 8184 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 8185 UserManagerService.getInstance()); 8186 } 8187 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 8188 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 8189 8190 // SIDE EFFECTS; modifies system state; move elsewhere 8191 if (pkgSetting.origPackage != null) { 8192 // If we are first transitioning from an original package, 8193 // fix up the new package's name now. We need to do this after 8194 // looking up the package under its new name, so getPackageLP 8195 // can take care of fiddling things correctly. 8196 pkg.setPackageName(origPackage.name); 8197 8198 // File a report about this. 8199 String msg = "New package " + pkgSetting.realName 8200 + " renamed to replace old package " + pkgSetting.name; 8201 reportSettingsProblem(Log.WARN, msg); 8202 8203 // Make a note of it. 8204 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8205 mTransferedPackages.add(origPackage.name); 8206 } 8207 8208 // No longer need to retain this. 8209 pkgSetting.origPackage = null; 8210 } 8211 8212 // SIDE EFFECTS; modifies system state; move elsewhere 8213 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8214 // Make a note of it. 8215 mTransferedPackages.add(pkg.packageName); 8216 } 8217 8218 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8219 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8220 } 8221 8222 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8223 // Check all shared libraries and map to their actual file path. 8224 // We only do this here for apps not on a system dir, because those 8225 // are the only ones that can fail an install due to this. We 8226 // will take care of the system apps by updating all of their 8227 // library paths after the scan is done. 8228 updateSharedLibrariesLPr(pkg, null); 8229 } 8230 8231 if (mFoundPolicyFile) { 8232 SELinuxMMAC.assignSeinfoValue(pkg); 8233 } 8234 8235 pkg.applicationInfo.uid = pkgSetting.appId; 8236 pkg.mExtras = pkgSetting; 8237 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8238 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8239 // We just determined the app is signed correctly, so bring 8240 // over the latest parsed certs. 8241 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8242 } else { 8243 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8244 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8245 "Package " + pkg.packageName + " upgrade keys do not match the " 8246 + "previously installed version"); 8247 } else { 8248 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8249 String msg = "System package " + pkg.packageName 8250 + " signature changed; retaining data."; 8251 reportSettingsProblem(Log.WARN, msg); 8252 } 8253 } 8254 } else { 8255 try { 8256 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 8257 verifySignaturesLP(pkgSetting, pkg); 8258 // We just determined the app is signed correctly, so bring 8259 // over the latest parsed certs. 8260 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8261 } catch (PackageManagerException e) { 8262 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8263 throw e; 8264 } 8265 // The signature has changed, but this package is in the system 8266 // image... let's recover! 8267 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8268 // However... if this package is part of a shared user, but it 8269 // doesn't match the signature of the shared user, let's fail. 8270 // What this means is that you can't change the signatures 8271 // associated with an overall shared user, which doesn't seem all 8272 // that unreasonable. 8273 if (pkgSetting.sharedUser != null) { 8274 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8275 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8276 throw new PackageManagerException( 8277 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8278 "Signature mismatch for shared user: " 8279 + pkgSetting.sharedUser); 8280 } 8281 } 8282 // File a report about this. 8283 String msg = "System package " + pkg.packageName 8284 + " signature changed; retaining data."; 8285 reportSettingsProblem(Log.WARN, msg); 8286 } 8287 } 8288 8289 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8290 // This package wants to adopt ownership of permissions from 8291 // another package. 8292 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8293 final String origName = pkg.mAdoptPermissions.get(i); 8294 final PackageSetting orig = mSettings.getPackageLPr(origName); 8295 if (orig != null) { 8296 if (verifyPackageUpdateLPr(orig, pkg)) { 8297 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8298 + pkg.packageName); 8299 // SIDE EFFECTS; updates permissions system state; move elsewhere 8300 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8301 } 8302 } 8303 } 8304 } 8305 } 8306 8307 pkg.applicationInfo.processName = fixProcessName( 8308 pkg.applicationInfo.packageName, 8309 pkg.applicationInfo.processName); 8310 8311 if (pkg != mPlatformPackage) { 8312 // Get all of our default paths setup 8313 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8314 } 8315 8316 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8317 8318 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8319 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 8320 derivePackageAbi( 8321 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 8322 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8323 8324 // Some system apps still use directory structure for native libraries 8325 // in which case we might end up not detecting abi solely based on apk 8326 // structure. Try to detect abi based on directory structure. 8327 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8328 pkg.applicationInfo.primaryCpuAbi == null) { 8329 setBundledAppAbisAndRoots(pkg, pkgSetting); 8330 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8331 } 8332 } else { 8333 if ((scanFlags & SCAN_MOVE) != 0) { 8334 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8335 // but we already have this packages package info in the PackageSetting. We just 8336 // use that and derive the native library path based on the new codepath. 8337 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8338 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8339 } 8340 8341 // Set native library paths again. For moves, the path will be updated based on the 8342 // ABIs we've determined above. For non-moves, the path will be updated based on the 8343 // ABIs we determined during compilation, but the path will depend on the final 8344 // package path (after the rename away from the stage path). 8345 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8346 } 8347 8348 // This is a special case for the "system" package, where the ABI is 8349 // dictated by the zygote configuration (and init.rc). We should keep track 8350 // of this ABI so that we can deal with "normal" applications that run under 8351 // the same UID correctly. 8352 if (mPlatformPackage == pkg) { 8353 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8354 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8355 } 8356 8357 // If there's a mismatch between the abi-override in the package setting 8358 // and the abiOverride specified for the install. Warn about this because we 8359 // would've already compiled the app without taking the package setting into 8360 // account. 8361 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8362 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8363 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8364 " for package " + pkg.packageName); 8365 } 8366 } 8367 8368 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8369 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8370 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8371 8372 // Copy the derived override back to the parsed package, so that we can 8373 // update the package settings accordingly. 8374 pkg.cpuAbiOverride = cpuAbiOverride; 8375 8376 if (DEBUG_ABI_SELECTION) { 8377 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8378 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8379 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8380 } 8381 8382 // Push the derived path down into PackageSettings so we know what to 8383 // clean up at uninstall time. 8384 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8385 8386 if (DEBUG_ABI_SELECTION) { 8387 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8388 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8389 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8390 } 8391 8392 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 8393 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8394 // We don't do this here during boot because we can do it all 8395 // at once after scanning all existing packages. 8396 // 8397 // We also do this *before* we perform dexopt on this package, so that 8398 // we can avoid redundant dexopts, and also to make sure we've got the 8399 // code and package path correct. 8400 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 8401 } 8402 8403 if (mFactoryTest && pkg.requestedPermissions.contains( 8404 android.Manifest.permission.FACTORY_TEST)) { 8405 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8406 } 8407 8408 if (isSystemApp(pkg)) { 8409 pkgSetting.isOrphaned = true; 8410 } 8411 8412 // Take care of first install / last update times. 8413 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8414 if (currentTime != 0) { 8415 if (pkgSetting.firstInstallTime == 0) { 8416 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8417 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 8418 pkgSetting.lastUpdateTime = currentTime; 8419 } 8420 } else if (pkgSetting.firstInstallTime == 0) { 8421 // We need *something*. Take time time stamp of the file. 8422 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8423 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8424 if (scanFileTime != pkgSetting.timeStamp) { 8425 // A package on the system image has changed; consider this 8426 // to be an update. 8427 pkgSetting.lastUpdateTime = scanFileTime; 8428 } 8429 } 8430 pkgSetting.setTimeStamp(scanFileTime); 8431 8432 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8433 if (nonMutatedPs != null) { 8434 synchronized (mPackages) { 8435 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8436 } 8437 } 8438 } else { 8439 // Modify state for the given package setting 8440 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 8441 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 8442 } 8443 return pkg; 8444 } 8445 8446 /** 8447 * Applies policy to the parsed package based upon the given policy flags. 8448 * Ensures the package is in a good state. 8449 * <p> 8450 * Implementation detail: This method must NOT have any side effect. It would 8451 * ideally be static, but, it requires locks to read system state. 8452 */ 8453 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 8454 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8455 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8456 if (pkg.applicationInfo.isDirectBootAware()) { 8457 // we're direct boot aware; set for all components 8458 for (PackageParser.Service s : pkg.services) { 8459 s.info.encryptionAware = s.info.directBootAware = true; 8460 } 8461 for (PackageParser.Provider p : pkg.providers) { 8462 p.info.encryptionAware = p.info.directBootAware = true; 8463 } 8464 for (PackageParser.Activity a : pkg.activities) { 8465 a.info.encryptionAware = a.info.directBootAware = true; 8466 } 8467 for (PackageParser.Activity r : pkg.receivers) { 8468 r.info.encryptionAware = r.info.directBootAware = true; 8469 } 8470 } 8471 } else { 8472 // Only allow system apps to be flagged as core apps. 8473 pkg.coreApp = false; 8474 // clear flags not applicable to regular apps 8475 pkg.applicationInfo.privateFlags &= 8476 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8477 pkg.applicationInfo.privateFlags &= 8478 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8479 } 8480 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8481 8482 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8483 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8484 } 8485 8486 if (!isSystemApp(pkg)) { 8487 // Only system apps can use these features. 8488 pkg.mOriginalPackages = null; 8489 pkg.mRealPackage = null; 8490 pkg.mAdoptPermissions = null; 8491 } 8492 } 8493 8494 /** 8495 * Asserts the parsed package is valid according to teh given policy. If the 8496 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 8497 * <p> 8498 * Implementation detail: This method must NOT have any side effects. It would 8499 * ideally be static, but, it requires locks to read system state. 8500 * 8501 * @throws PackageManagerException If the package fails any of the validation checks 8502 */ 8503 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags) 8504 throws PackageManagerException { 8505 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8506 assertCodePolicy(pkg); 8507 } 8508 8509 if (pkg.applicationInfo.getCodePath() == null || 8510 pkg.applicationInfo.getResourcePath() == null) { 8511 // Bail out. The resource and code paths haven't been set. 8512 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8513 "Code and resource paths haven't been set correctly"); 8514 } 8515 8516 // Make sure we're not adding any bogus keyset info 8517 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8518 ksms.assertScannedPackageValid(pkg); 8519 8520 synchronized (mPackages) { 8521 // The special "android" package can only be defined once 8522 if (pkg.packageName.equals("android")) { 8523 if (mAndroidApplication != null) { 8524 Slog.w(TAG, "*************************************************"); 8525 Slog.w(TAG, "Core android package being redefined. Skipping."); 8526 Slog.w(TAG, " codePath=" + pkg.codePath); 8527 Slog.w(TAG, "*************************************************"); 8528 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8529 "Core android package being redefined. Skipping."); 8530 } 8531 } 8532 8533 // A package name must be unique; don't allow duplicates 8534 if (mPackages.containsKey(pkg.packageName) 8535 || mSharedLibraries.containsKey(pkg.packageName)) { 8536 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8537 "Application package " + pkg.packageName 8538 + " already installed. Skipping duplicate."); 8539 } 8540 8541 // Only privileged apps and updated privileged apps can add child packages. 8542 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8543 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8544 throw new PackageManagerException("Only privileged apps can add child " 8545 + "packages. Ignoring package " + pkg.packageName); 8546 } 8547 final int childCount = pkg.childPackages.size(); 8548 for (int i = 0; i < childCount; i++) { 8549 PackageParser.Package childPkg = pkg.childPackages.get(i); 8550 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8551 childPkg.packageName)) { 8552 throw new PackageManagerException("Can't override child of " 8553 + "another disabled app. Ignoring package " + pkg.packageName); 8554 } 8555 } 8556 } 8557 8558 // If we're only installing presumed-existing packages, require that the 8559 // scanned APK is both already known and at the path previously established 8560 // for it. Previously unknown packages we pick up normally, but if we have an 8561 // a priori expectation about this package's install presence, enforce it. 8562 // With a singular exception for new system packages. When an OTA contains 8563 // a new system package, we allow the codepath to change from a system location 8564 // to the user-installed location. If we don't allow this change, any newer, 8565 // user-installed version of the application will be ignored. 8566 if ((policyFlags & SCAN_REQUIRE_KNOWN) != 0) { 8567 if (mExpectingBetter.containsKey(pkg.packageName)) { 8568 logCriticalInfo(Log.WARN, 8569 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8570 } else { 8571 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 8572 if (known != null) { 8573 if (DEBUG_PACKAGE_SCANNING) { 8574 Log.d(TAG, "Examining " + pkg.codePath 8575 + " and requiring known paths " + known.codePathString 8576 + " & " + known.resourcePathString); 8577 } 8578 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8579 || !pkg.applicationInfo.getResourcePath().equals( 8580 known.resourcePathString)) { 8581 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8582 "Application package " + pkg.packageName 8583 + " found at " + pkg.applicationInfo.getCodePath() 8584 + " but expected at " + known.codePathString 8585 + "; ignoring."); 8586 } 8587 } 8588 } 8589 } 8590 8591 // Verify that this new package doesn't have any content providers 8592 // that conflict with existing packages. Only do this if the 8593 // package isn't already installed, since we don't want to break 8594 // things that are installed. 8595 if ((policyFlags & SCAN_NEW_INSTALL) != 0) { 8596 final int N = pkg.providers.size(); 8597 int i; 8598 for (i=0; i<N; i++) { 8599 PackageParser.Provider p = pkg.providers.get(i); 8600 if (p.info.authority != null) { 8601 String names[] = p.info.authority.split(";"); 8602 for (int j = 0; j < names.length; j++) { 8603 if (mProvidersByAuthority.containsKey(names[j])) { 8604 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8605 final String otherPackageName = 8606 ((other != null && other.getComponentName() != null) ? 8607 other.getComponentName().getPackageName() : "?"); 8608 throw new PackageManagerException( 8609 INSTALL_FAILED_CONFLICTING_PROVIDER, 8610 "Can't install because provider name " + names[j] 8611 + " (in package " + pkg.applicationInfo.packageName 8612 + ") is already used by " + otherPackageName); 8613 } 8614 } 8615 } 8616 } 8617 } 8618 } 8619 } 8620 8621 /** 8622 * Adds a scanned package to the system. When this method is finished, the package will 8623 * be available for query, resolution, etc... 8624 */ 8625 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 8626 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 8627 final String pkgName = pkg.packageName; 8628 if (mCustomResolverComponentName != null && 8629 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8630 setUpCustomResolverActivity(pkg); 8631 } 8632 8633 if (pkg.packageName.equals("android")) { 8634 synchronized (mPackages) { 8635 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8636 // Set up information for our fall-back user intent resolution activity. 8637 mPlatformPackage = pkg; 8638 pkg.mVersionCode = mSdkVersion; 8639 mAndroidApplication = pkg.applicationInfo; 8640 8641 if (!mResolverReplaced) { 8642 mResolveActivity.applicationInfo = mAndroidApplication; 8643 mResolveActivity.name = ResolverActivity.class.getName(); 8644 mResolveActivity.packageName = mAndroidApplication.packageName; 8645 mResolveActivity.processName = "system:ui"; 8646 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8647 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8648 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8649 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8650 mResolveActivity.exported = true; 8651 mResolveActivity.enabled = true; 8652 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8653 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8654 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8655 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8656 | ActivityInfo.CONFIG_ORIENTATION 8657 | ActivityInfo.CONFIG_KEYBOARD 8658 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8659 mResolveInfo.activityInfo = mResolveActivity; 8660 mResolveInfo.priority = 0; 8661 mResolveInfo.preferredOrder = 0; 8662 mResolveInfo.match = 0; 8663 mResolveComponentName = new ComponentName( 8664 mAndroidApplication.packageName, mResolveActivity.name); 8665 } 8666 } 8667 } 8668 } 8669 8670 ArrayList<PackageParser.Package> clientLibPkgs = null; 8671 // writer 8672 synchronized (mPackages) { 8673 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8674 // Only system apps can add new shared libraries. 8675 if (pkg.libraryNames != null) { 8676 for (int i=0; i<pkg.libraryNames.size(); i++) { 8677 String name = pkg.libraryNames.get(i); 8678 boolean allowed = false; 8679 if (pkg.isUpdatedSystemApp()) { 8680 // New library entries can only be added through the 8681 // system image. This is important to get rid of a lot 8682 // of nasty edge cases: for example if we allowed a non- 8683 // system update of the app to add a library, then uninstalling 8684 // the update would make the library go away, and assumptions 8685 // we made such as through app install filtering would now 8686 // have allowed apps on the device which aren't compatible 8687 // with it. Better to just have the restriction here, be 8688 // conservative, and create many fewer cases that can negatively 8689 // impact the user experience. 8690 final PackageSetting sysPs = mSettings 8691 .getDisabledSystemPkgLPr(pkg.packageName); 8692 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8693 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8694 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8695 allowed = true; 8696 break; 8697 } 8698 } 8699 } 8700 } else { 8701 allowed = true; 8702 } 8703 if (allowed) { 8704 if (!mSharedLibraries.containsKey(name)) { 8705 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8706 } else if (!name.equals(pkg.packageName)) { 8707 Slog.w(TAG, "Package " + pkg.packageName + " library " 8708 + name + " already exists; skipping"); 8709 } 8710 } else { 8711 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8712 + name + " that is not declared on system image; skipping"); 8713 } 8714 } 8715 if ((scanFlags & SCAN_BOOTING) == 0) { 8716 // If we are not booting, we need to update any applications 8717 // that are clients of our shared library. If we are booting, 8718 // this will all be done once the scan is complete. 8719 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8720 } 8721 } 8722 } 8723 } 8724 8725 if ((scanFlags & SCAN_BOOTING) != 0) { 8726 // No apps can run during boot scan, so they don't need to be frozen 8727 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8728 // Caller asked to not kill app, so it's probably not frozen 8729 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8730 // Caller asked us to ignore frozen check for some reason; they 8731 // probably didn't know the package name 8732 } else { 8733 // We're doing major surgery on this package, so it better be frozen 8734 // right now to keep it from launching 8735 checkPackageFrozen(pkgName); 8736 } 8737 8738 // Also need to kill any apps that are dependent on the library. 8739 if (clientLibPkgs != null) { 8740 for (int i=0; i<clientLibPkgs.size(); i++) { 8741 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8742 killApplication(clientPkg.applicationInfo.packageName, 8743 clientPkg.applicationInfo.uid, "update lib"); 8744 } 8745 } 8746 8747 // writer 8748 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8749 8750 boolean createIdmapFailed = false; 8751 synchronized (mPackages) { 8752 // We don't expect installation to fail beyond this point 8753 8754 if (pkgSetting.pkg != null) { 8755 // Note that |user| might be null during the initial boot scan. If a codePath 8756 // for an app has changed during a boot scan, it's due to an app update that's 8757 // part of the system partition and marker changes must be applied to all users. 8758 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 8759 final int[] userIds = resolveUserIds(userId); 8760 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 8761 } 8762 8763 // Add the new setting to mSettings 8764 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8765 // Add the new setting to mPackages 8766 mPackages.put(pkg.applicationInfo.packageName, pkg); 8767 // Make sure we don't accidentally delete its data. 8768 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8769 while (iter.hasNext()) { 8770 PackageCleanItem item = iter.next(); 8771 if (pkgName.equals(item.packageName)) { 8772 iter.remove(); 8773 } 8774 } 8775 8776 // Add the package's KeySets to the global KeySetManagerService 8777 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8778 ksms.addScannedPackageLPw(pkg); 8779 8780 int N = pkg.providers.size(); 8781 StringBuilder r = null; 8782 int i; 8783 for (i=0; i<N; i++) { 8784 PackageParser.Provider p = pkg.providers.get(i); 8785 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8786 p.info.processName); 8787 mProviders.addProvider(p); 8788 p.syncable = p.info.isSyncable; 8789 if (p.info.authority != null) { 8790 String names[] = p.info.authority.split(";"); 8791 p.info.authority = null; 8792 for (int j = 0; j < names.length; j++) { 8793 if (j == 1 && p.syncable) { 8794 // We only want the first authority for a provider to possibly be 8795 // syncable, so if we already added this provider using a different 8796 // authority clear the syncable flag. We copy the provider before 8797 // changing it because the mProviders object contains a reference 8798 // to a provider that we don't want to change. 8799 // Only do this for the second authority since the resulting provider 8800 // object can be the same for all future authorities for this provider. 8801 p = new PackageParser.Provider(p); 8802 p.syncable = false; 8803 } 8804 if (!mProvidersByAuthority.containsKey(names[j])) { 8805 mProvidersByAuthority.put(names[j], p); 8806 if (p.info.authority == null) { 8807 p.info.authority = names[j]; 8808 } else { 8809 p.info.authority = p.info.authority + ";" + names[j]; 8810 } 8811 if (DEBUG_PACKAGE_SCANNING) { 8812 if (chatty) 8813 Log.d(TAG, "Registered content provider: " + names[j] 8814 + ", className = " + p.info.name + ", isSyncable = " 8815 + p.info.isSyncable); 8816 } 8817 } else { 8818 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8819 Slog.w(TAG, "Skipping provider name " + names[j] + 8820 " (in package " + pkg.applicationInfo.packageName + 8821 "): name already used by " 8822 + ((other != null && other.getComponentName() != null) 8823 ? other.getComponentName().getPackageName() : "?")); 8824 } 8825 } 8826 } 8827 if (chatty) { 8828 if (r == null) { 8829 r = new StringBuilder(256); 8830 } else { 8831 r.append(' '); 8832 } 8833 r.append(p.info.name); 8834 } 8835 } 8836 if (r != null) { 8837 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8838 } 8839 8840 N = pkg.services.size(); 8841 r = null; 8842 for (i=0; i<N; i++) { 8843 PackageParser.Service s = pkg.services.get(i); 8844 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8845 s.info.processName); 8846 mServices.addService(s); 8847 if (chatty) { 8848 if (r == null) { 8849 r = new StringBuilder(256); 8850 } else { 8851 r.append(' '); 8852 } 8853 r.append(s.info.name); 8854 } 8855 } 8856 if (r != null) { 8857 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8858 } 8859 8860 N = pkg.receivers.size(); 8861 r = null; 8862 for (i=0; i<N; i++) { 8863 PackageParser.Activity a = pkg.receivers.get(i); 8864 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8865 a.info.processName); 8866 mReceivers.addActivity(a, "receiver"); 8867 if (chatty) { 8868 if (r == null) { 8869 r = new StringBuilder(256); 8870 } else { 8871 r.append(' '); 8872 } 8873 r.append(a.info.name); 8874 } 8875 } 8876 if (r != null) { 8877 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8878 } 8879 8880 N = pkg.activities.size(); 8881 r = null; 8882 for (i=0; i<N; i++) { 8883 PackageParser.Activity a = pkg.activities.get(i); 8884 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8885 a.info.processName); 8886 mActivities.addActivity(a, "activity"); 8887 if (chatty) { 8888 if (r == null) { 8889 r = new StringBuilder(256); 8890 } else { 8891 r.append(' '); 8892 } 8893 r.append(a.info.name); 8894 } 8895 } 8896 if (r != null) { 8897 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8898 } 8899 8900 N = pkg.permissionGroups.size(); 8901 r = null; 8902 for (i=0; i<N; i++) { 8903 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8904 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8905 final String curPackageName = cur == null ? null : cur.info.packageName; 8906 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 8907 if (cur == null || isPackageUpdate) { 8908 mPermissionGroups.put(pg.info.name, pg); 8909 if (chatty) { 8910 if (r == null) { 8911 r = new StringBuilder(256); 8912 } else { 8913 r.append(' '); 8914 } 8915 if (isPackageUpdate) { 8916 r.append("UPD:"); 8917 } 8918 r.append(pg.info.name); 8919 } 8920 } else { 8921 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8922 + pg.info.packageName + " ignored: original from " 8923 + cur.info.packageName); 8924 if (chatty) { 8925 if (r == null) { 8926 r = new StringBuilder(256); 8927 } else { 8928 r.append(' '); 8929 } 8930 r.append("DUP:"); 8931 r.append(pg.info.name); 8932 } 8933 } 8934 } 8935 if (r != null) { 8936 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8937 } 8938 8939 N = pkg.permissions.size(); 8940 r = null; 8941 for (i=0; i<N; i++) { 8942 PackageParser.Permission p = pkg.permissions.get(i); 8943 8944 // Assume by default that we did not install this permission into the system. 8945 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8946 8947 // Now that permission groups have a special meaning, we ignore permission 8948 // groups for legacy apps to prevent unexpected behavior. In particular, 8949 // permissions for one app being granted to someone just becase they happen 8950 // to be in a group defined by another app (before this had no implications). 8951 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8952 p.group = mPermissionGroups.get(p.info.group); 8953 // Warn for a permission in an unknown group. 8954 if (p.info.group != null && p.group == null) { 8955 Slog.w(TAG, "Permission " + p.info.name + " from package " 8956 + p.info.packageName + " in an unknown group " + p.info.group); 8957 } 8958 } 8959 8960 ArrayMap<String, BasePermission> permissionMap = 8961 p.tree ? mSettings.mPermissionTrees 8962 : mSettings.mPermissions; 8963 BasePermission bp = permissionMap.get(p.info.name); 8964 8965 // Allow system apps to redefine non-system permissions 8966 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8967 final boolean currentOwnerIsSystem = (bp.perm != null 8968 && isSystemApp(bp.perm.owner)); 8969 if (isSystemApp(p.owner)) { 8970 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8971 // It's a built-in permission and no owner, take ownership now 8972 bp.packageSetting = pkgSetting; 8973 bp.perm = p; 8974 bp.uid = pkg.applicationInfo.uid; 8975 bp.sourcePackage = p.info.packageName; 8976 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8977 } else if (!currentOwnerIsSystem) { 8978 String msg = "New decl " + p.owner + " of permission " 8979 + p.info.name + " is system; overriding " + bp.sourcePackage; 8980 reportSettingsProblem(Log.WARN, msg); 8981 bp = null; 8982 } 8983 } 8984 } 8985 8986 if (bp == null) { 8987 bp = new BasePermission(p.info.name, p.info.packageName, 8988 BasePermission.TYPE_NORMAL); 8989 permissionMap.put(p.info.name, bp); 8990 } 8991 8992 if (bp.perm == null) { 8993 if (bp.sourcePackage == null 8994 || bp.sourcePackage.equals(p.info.packageName)) { 8995 BasePermission tree = findPermissionTreeLP(p.info.name); 8996 if (tree == null 8997 || tree.sourcePackage.equals(p.info.packageName)) { 8998 bp.packageSetting = pkgSetting; 8999 bp.perm = p; 9000 bp.uid = pkg.applicationInfo.uid; 9001 bp.sourcePackage = p.info.packageName; 9002 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 9003 if (chatty) { 9004 if (r == null) { 9005 r = new StringBuilder(256); 9006 } else { 9007 r.append(' '); 9008 } 9009 r.append(p.info.name); 9010 } 9011 } else { 9012 Slog.w(TAG, "Permission " + p.info.name + " from package " 9013 + p.info.packageName + " ignored: base tree " 9014 + tree.name + " is from package " 9015 + tree.sourcePackage); 9016 } 9017 } else { 9018 Slog.w(TAG, "Permission " + p.info.name + " from package " 9019 + p.info.packageName + " ignored: original from " 9020 + bp.sourcePackage); 9021 } 9022 } else if (chatty) { 9023 if (r == null) { 9024 r = new StringBuilder(256); 9025 } else { 9026 r.append(' '); 9027 } 9028 r.append("DUP:"); 9029 r.append(p.info.name); 9030 } 9031 if (bp.perm == p) { 9032 bp.protectionLevel = p.info.protectionLevel; 9033 } 9034 } 9035 9036 if (r != null) { 9037 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 9038 } 9039 9040 N = pkg.instrumentation.size(); 9041 r = null; 9042 for (i=0; i<N; i++) { 9043 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9044 a.info.packageName = pkg.applicationInfo.packageName; 9045 a.info.sourceDir = pkg.applicationInfo.sourceDir; 9046 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 9047 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 9048 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 9049 a.info.dataDir = pkg.applicationInfo.dataDir; 9050 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 9051 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 9052 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 9053 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 9054 mInstrumentation.put(a.getComponentName(), a); 9055 if (chatty) { 9056 if (r == null) { 9057 r = new StringBuilder(256); 9058 } else { 9059 r.append(' '); 9060 } 9061 r.append(a.info.name); 9062 } 9063 } 9064 if (r != null) { 9065 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 9066 } 9067 9068 if (pkg.protectedBroadcasts != null) { 9069 N = pkg.protectedBroadcasts.size(); 9070 for (i=0; i<N; i++) { 9071 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 9072 } 9073 } 9074 9075 // Create idmap files for pairs of (packages, overlay packages). 9076 // Note: "android", ie framework-res.apk, is handled by native layers. 9077 if (pkg.mOverlayTarget != null) { 9078 // This is an overlay package. 9079 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 9080 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 9081 mOverlays.put(pkg.mOverlayTarget, 9082 new ArrayMap<String, PackageParser.Package>()); 9083 } 9084 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 9085 map.put(pkg.packageName, pkg); 9086 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 9087 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 9088 createIdmapFailed = true; 9089 } 9090 } 9091 } else if (mOverlays.containsKey(pkg.packageName) && 9092 !pkg.packageName.equals("android")) { 9093 // This is a regular package, with one or more known overlay packages. 9094 createIdmapsForPackageLI(pkg); 9095 } 9096 } 9097 9098 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9099 9100 if (createIdmapFailed) { 9101 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9102 "scanPackageLI failed to createIdmap"); 9103 } 9104 } 9105 9106 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9107 PackageParser.Package update, int[] userIds) { 9108 if (existing.applicationInfo == null || update.applicationInfo == null) { 9109 // This isn't due to an app installation. 9110 return; 9111 } 9112 9113 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9114 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9115 9116 // The codePath hasn't changed, so there's nothing for us to do. 9117 if (Objects.equals(oldCodePath, newCodePath)) { 9118 return; 9119 } 9120 9121 File canonicalNewCodePath; 9122 try { 9123 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9124 } catch (IOException e) { 9125 Slog.w(TAG, "Failed to get canonical path.", e); 9126 return; 9127 } 9128 9129 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9130 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9131 // that the last component of the path (i.e, the name) doesn't need canonicalization 9132 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9133 // but may change in the future. Hopefully this function won't exist at that point. 9134 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9135 oldCodePath.getName()); 9136 9137 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9138 // with "@". 9139 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9140 if (!oldMarkerPrefix.endsWith("@")) { 9141 oldMarkerPrefix += "@"; 9142 } 9143 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9144 if (!newMarkerPrefix.endsWith("@")) { 9145 newMarkerPrefix += "@"; 9146 } 9147 9148 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9149 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9150 for (String updatedPath : updatedPaths) { 9151 String updatedPathName = new File(updatedPath).getName(); 9152 markerSuffixes.add(updatedPathName.replace('/', '@')); 9153 } 9154 9155 for (int userId : userIds) { 9156 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9157 9158 for (String markerSuffix : markerSuffixes) { 9159 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9160 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9161 if (oldForeignUseMark.exists()) { 9162 try { 9163 Os.rename(oldForeignUseMark.getAbsolutePath(), 9164 newForeignUseMark.getAbsolutePath()); 9165 } catch (ErrnoException e) { 9166 Slog.w(TAG, "Failed to rename foreign use marker", e); 9167 oldForeignUseMark.delete(); 9168 } 9169 } 9170 } 9171 } 9172 } 9173 9174 /** 9175 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9176 * is derived purely on the basis of the contents of {@code scanFile} and 9177 * {@code cpuAbiOverride}. 9178 * 9179 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9180 */ 9181 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9182 String cpuAbiOverride, boolean extractLibs, 9183 File appLib32InstallDir) 9184 throws PackageManagerException { 9185 // TODO: We can probably be smarter about this stuff. For installed apps, 9186 // we can calculate this information at install time once and for all. For 9187 // system apps, we can probably assume that this information doesn't change 9188 // after the first boot scan. As things stand, we do lots of unnecessary work. 9189 9190 // Give ourselves some initial paths; we'll come back for another 9191 // pass once we've determined ABI below. 9192 setNativeLibraryPaths(pkg, appLib32InstallDir); 9193 9194 // We would never need to extract libs for forward-locked and external packages, 9195 // since the container service will do it for us. We shouldn't attempt to 9196 // extract libs from system app when it was not updated. 9197 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9198 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9199 extractLibs = false; 9200 } 9201 9202 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9203 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9204 9205 NativeLibraryHelper.Handle handle = null; 9206 try { 9207 handle = NativeLibraryHelper.Handle.create(pkg); 9208 // TODO(multiArch): This can be null for apps that didn't go through the 9209 // usual installation process. We can calculate it again, like we 9210 // do during install time. 9211 // 9212 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9213 // unnecessary. 9214 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9215 9216 // Null out the abis so that they can be recalculated. 9217 pkg.applicationInfo.primaryCpuAbi = null; 9218 pkg.applicationInfo.secondaryCpuAbi = null; 9219 if (isMultiArch(pkg.applicationInfo)) { 9220 // Warn if we've set an abiOverride for multi-lib packages.. 9221 // By definition, we need to copy both 32 and 64 bit libraries for 9222 // such packages. 9223 if (pkg.cpuAbiOverride != null 9224 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9225 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9226 } 9227 9228 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9229 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9230 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9231 if (extractLibs) { 9232 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9233 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9234 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9235 useIsaSpecificSubdirs); 9236 } else { 9237 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9238 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9239 } 9240 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9241 } 9242 9243 maybeThrowExceptionForMultiArchCopy( 9244 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9245 9246 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9247 if (extractLibs) { 9248 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9249 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9250 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9251 useIsaSpecificSubdirs); 9252 } else { 9253 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9254 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9255 } 9256 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9257 } 9258 9259 maybeThrowExceptionForMultiArchCopy( 9260 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9261 9262 if (abi64 >= 0) { 9263 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9264 } 9265 9266 if (abi32 >= 0) { 9267 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9268 if (abi64 >= 0) { 9269 if (pkg.use32bitAbi) { 9270 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9271 pkg.applicationInfo.primaryCpuAbi = abi; 9272 } else { 9273 pkg.applicationInfo.secondaryCpuAbi = abi; 9274 } 9275 } else { 9276 pkg.applicationInfo.primaryCpuAbi = abi; 9277 } 9278 } 9279 9280 } else { 9281 String[] abiList = (cpuAbiOverride != null) ? 9282 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9283 9284 // Enable gross and lame hacks for apps that are built with old 9285 // SDK tools. We must scan their APKs for renderscript bitcode and 9286 // not launch them if it's present. Don't bother checking on devices 9287 // that don't have 64 bit support. 9288 boolean needsRenderScriptOverride = false; 9289 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9290 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9291 abiList = Build.SUPPORTED_32_BIT_ABIS; 9292 needsRenderScriptOverride = true; 9293 } 9294 9295 final int copyRet; 9296 if (extractLibs) { 9297 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9298 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9299 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9300 } else { 9301 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9302 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9303 } 9304 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9305 9306 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9307 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9308 "Error unpackaging native libs for app, errorCode=" + copyRet); 9309 } 9310 9311 if (copyRet >= 0) { 9312 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9313 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9314 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9315 } else if (needsRenderScriptOverride) { 9316 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9317 } 9318 } 9319 } catch (IOException ioe) { 9320 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9321 } finally { 9322 IoUtils.closeQuietly(handle); 9323 } 9324 9325 // Now that we've calculated the ABIs and determined if it's an internal app, 9326 // we will go ahead and populate the nativeLibraryPath. 9327 setNativeLibraryPaths(pkg, appLib32InstallDir); 9328 } 9329 9330 /** 9331 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9332 * i.e, so that all packages can be run inside a single process if required. 9333 * 9334 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9335 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9336 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9337 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9338 * updating a package that belongs to a shared user. 9339 * 9340 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9341 * adds unnecessary complexity. 9342 */ 9343 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9344 PackageParser.Package scannedPackage) { 9345 String requiredInstructionSet = null; 9346 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9347 requiredInstructionSet = VMRuntime.getInstructionSet( 9348 scannedPackage.applicationInfo.primaryCpuAbi); 9349 } 9350 9351 PackageSetting requirer = null; 9352 for (PackageSetting ps : packagesForUser) { 9353 // If packagesForUser contains scannedPackage, we skip it. This will happen 9354 // when scannedPackage is an update of an existing package. Without this check, 9355 // we will never be able to change the ABI of any package belonging to a shared 9356 // user, even if it's compatible with other packages. 9357 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9358 if (ps.primaryCpuAbiString == null) { 9359 continue; 9360 } 9361 9362 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9363 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9364 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9365 // this but there's not much we can do. 9366 String errorMessage = "Instruction set mismatch, " 9367 + ((requirer == null) ? "[caller]" : requirer) 9368 + " requires " + requiredInstructionSet + " whereas " + ps 9369 + " requires " + instructionSet; 9370 Slog.w(TAG, errorMessage); 9371 } 9372 9373 if (requiredInstructionSet == null) { 9374 requiredInstructionSet = instructionSet; 9375 requirer = ps; 9376 } 9377 } 9378 } 9379 9380 if (requiredInstructionSet != null) { 9381 String adjustedAbi; 9382 if (requirer != null) { 9383 // requirer != null implies that either scannedPackage was null or that scannedPackage 9384 // did not require an ABI, in which case we have to adjust scannedPackage to match 9385 // the ABI of the set (which is the same as requirer's ABI) 9386 adjustedAbi = requirer.primaryCpuAbiString; 9387 if (scannedPackage != null) { 9388 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9389 } 9390 } else { 9391 // requirer == null implies that we're updating all ABIs in the set to 9392 // match scannedPackage. 9393 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9394 } 9395 9396 for (PackageSetting ps : packagesForUser) { 9397 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9398 if (ps.primaryCpuAbiString != null) { 9399 continue; 9400 } 9401 9402 ps.primaryCpuAbiString = adjustedAbi; 9403 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9404 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9405 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9406 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9407 + " (requirer=" 9408 + (requirer == null ? "null" : requirer.pkg.packageName) 9409 + ", scannedPackage=" 9410 + (scannedPackage != null ? scannedPackage.packageName : "null") 9411 + ")"); 9412 try { 9413 mInstaller.rmdex(ps.codePathString, 9414 getDexCodeInstructionSet(getPreferredInstructionSet())); 9415 } catch (InstallerException ignored) { 9416 } 9417 } 9418 } 9419 } 9420 } 9421 } 9422 9423 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9424 synchronized (mPackages) { 9425 mResolverReplaced = true; 9426 // Set up information for custom user intent resolution activity. 9427 mResolveActivity.applicationInfo = pkg.applicationInfo; 9428 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9429 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9430 mResolveActivity.processName = pkg.applicationInfo.packageName; 9431 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9432 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9433 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9434 mResolveActivity.theme = 0; 9435 mResolveActivity.exported = true; 9436 mResolveActivity.enabled = true; 9437 mResolveInfo.activityInfo = mResolveActivity; 9438 mResolveInfo.priority = 0; 9439 mResolveInfo.preferredOrder = 0; 9440 mResolveInfo.match = 0; 9441 mResolveComponentName = mCustomResolverComponentName; 9442 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9443 mResolveComponentName); 9444 } 9445 } 9446 9447 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9448 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9449 9450 // Set up information for ephemeral installer activity 9451 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9452 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9453 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9454 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9455 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9456 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9457 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9458 mEphemeralInstallerActivity.theme = 0; 9459 mEphemeralInstallerActivity.exported = true; 9460 mEphemeralInstallerActivity.enabled = true; 9461 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9462 mEphemeralInstallerInfo.priority = 0; 9463 mEphemeralInstallerInfo.preferredOrder = 1; 9464 mEphemeralInstallerInfo.isDefault = true; 9465 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9466 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9467 9468 if (DEBUG_EPHEMERAL) { 9469 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9470 } 9471 } 9472 9473 private static String calculateBundledApkRoot(final String codePathString) { 9474 final File codePath = new File(codePathString); 9475 final File codeRoot; 9476 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9477 codeRoot = Environment.getRootDirectory(); 9478 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9479 codeRoot = Environment.getOemDirectory(); 9480 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9481 codeRoot = Environment.getVendorDirectory(); 9482 } else { 9483 // Unrecognized code path; take its top real segment as the apk root: 9484 // e.g. /something/app/blah.apk => /something 9485 try { 9486 File f = codePath.getCanonicalFile(); 9487 File parent = f.getParentFile(); // non-null because codePath is a file 9488 File tmp; 9489 while ((tmp = parent.getParentFile()) != null) { 9490 f = parent; 9491 parent = tmp; 9492 } 9493 codeRoot = f; 9494 Slog.w(TAG, "Unrecognized code path " 9495 + codePath + " - using " + codeRoot); 9496 } catch (IOException e) { 9497 // Can't canonicalize the code path -- shenanigans? 9498 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9499 return Environment.getRootDirectory().getPath(); 9500 } 9501 } 9502 return codeRoot.getPath(); 9503 } 9504 9505 /** 9506 * Derive and set the location of native libraries for the given package, 9507 * which varies depending on where and how the package was installed. 9508 */ 9509 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 9510 final ApplicationInfo info = pkg.applicationInfo; 9511 final String codePath = pkg.codePath; 9512 final File codeFile = new File(codePath); 9513 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9514 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9515 9516 info.nativeLibraryRootDir = null; 9517 info.nativeLibraryRootRequiresIsa = false; 9518 info.nativeLibraryDir = null; 9519 info.secondaryNativeLibraryDir = null; 9520 9521 if (isApkFile(codeFile)) { 9522 // Monolithic install 9523 if (bundledApp) { 9524 // If "/system/lib64/apkname" exists, assume that is the per-package 9525 // native library directory to use; otherwise use "/system/lib/apkname". 9526 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9527 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9528 getPrimaryInstructionSet(info)); 9529 9530 // This is a bundled system app so choose the path based on the ABI. 9531 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9532 // is just the default path. 9533 final String apkName = deriveCodePathName(codePath); 9534 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9535 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9536 apkName).getAbsolutePath(); 9537 9538 if (info.secondaryCpuAbi != null) { 9539 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9540 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9541 secondaryLibDir, apkName).getAbsolutePath(); 9542 } 9543 } else if (asecApp) { 9544 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9545 .getAbsolutePath(); 9546 } else { 9547 final String apkName = deriveCodePathName(codePath); 9548 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 9549 .getAbsolutePath(); 9550 } 9551 9552 info.nativeLibraryRootRequiresIsa = false; 9553 info.nativeLibraryDir = info.nativeLibraryRootDir; 9554 } else { 9555 // Cluster install 9556 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9557 info.nativeLibraryRootRequiresIsa = true; 9558 9559 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9560 getPrimaryInstructionSet(info)).getAbsolutePath(); 9561 9562 if (info.secondaryCpuAbi != null) { 9563 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9564 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9565 } 9566 } 9567 } 9568 9569 /** 9570 * Calculate the abis and roots for a bundled app. These can uniquely 9571 * be determined from the contents of the system partition, i.e whether 9572 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9573 * of this information, and instead assume that the system was built 9574 * sensibly. 9575 */ 9576 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9577 PackageSetting pkgSetting) { 9578 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9579 9580 // If "/system/lib64/apkname" exists, assume that is the per-package 9581 // native library directory to use; otherwise use "/system/lib/apkname". 9582 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9583 setBundledAppAbi(pkg, apkRoot, apkName); 9584 // pkgSetting might be null during rescan following uninstall of updates 9585 // to a bundled app, so accommodate that possibility. The settings in 9586 // that case will be established later from the parsed package. 9587 // 9588 // If the settings aren't null, sync them up with what we've just derived. 9589 // note that apkRoot isn't stored in the package settings. 9590 if (pkgSetting != null) { 9591 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9592 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9593 } 9594 } 9595 9596 /** 9597 * Deduces the ABI of a bundled app and sets the relevant fields on the 9598 * parsed pkg object. 9599 * 9600 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9601 * under which system libraries are installed. 9602 * @param apkName the name of the installed package. 9603 */ 9604 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9605 final File codeFile = new File(pkg.codePath); 9606 9607 final boolean has64BitLibs; 9608 final boolean has32BitLibs; 9609 if (isApkFile(codeFile)) { 9610 // Monolithic install 9611 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9612 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9613 } else { 9614 // Cluster install 9615 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9616 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9617 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9618 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9619 has64BitLibs = (new File(rootDir, isa)).exists(); 9620 } else { 9621 has64BitLibs = false; 9622 } 9623 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9624 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9625 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9626 has32BitLibs = (new File(rootDir, isa)).exists(); 9627 } else { 9628 has32BitLibs = false; 9629 } 9630 } 9631 9632 if (has64BitLibs && !has32BitLibs) { 9633 // The package has 64 bit libs, but not 32 bit libs. Its primary 9634 // ABI should be 64 bit. We can safely assume here that the bundled 9635 // native libraries correspond to the most preferred ABI in the list. 9636 9637 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9638 pkg.applicationInfo.secondaryCpuAbi = null; 9639 } else if (has32BitLibs && !has64BitLibs) { 9640 // The package has 32 bit libs but not 64 bit libs. Its primary 9641 // ABI should be 32 bit. 9642 9643 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9644 pkg.applicationInfo.secondaryCpuAbi = null; 9645 } else if (has32BitLibs && has64BitLibs) { 9646 // The application has both 64 and 32 bit bundled libraries. We check 9647 // here that the app declares multiArch support, and warn if it doesn't. 9648 // 9649 // We will be lenient here and record both ABIs. The primary will be the 9650 // ABI that's higher on the list, i.e, a device that's configured to prefer 9651 // 64 bit apps will see a 64 bit primary ABI, 9652 9653 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9654 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9655 } 9656 9657 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9658 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9659 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9660 } else { 9661 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9662 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9663 } 9664 } else { 9665 pkg.applicationInfo.primaryCpuAbi = null; 9666 pkg.applicationInfo.secondaryCpuAbi = null; 9667 } 9668 } 9669 9670 private void killApplication(String pkgName, int appId, String reason) { 9671 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9672 } 9673 9674 private void killApplication(String pkgName, int appId, int userId, String reason) { 9675 // Request the ActivityManager to kill the process(only for existing packages) 9676 // so that we do not end up in a confused state while the user is still using the older 9677 // version of the application while the new one gets installed. 9678 final long token = Binder.clearCallingIdentity(); 9679 try { 9680 IActivityManager am = ActivityManagerNative.getDefault(); 9681 if (am != null) { 9682 try { 9683 am.killApplication(pkgName, appId, userId, reason); 9684 } catch (RemoteException e) { 9685 } 9686 } 9687 } finally { 9688 Binder.restoreCallingIdentity(token); 9689 } 9690 } 9691 9692 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9693 // Remove the parent package setting 9694 PackageSetting ps = (PackageSetting) pkg.mExtras; 9695 if (ps != null) { 9696 removePackageLI(ps, chatty); 9697 } 9698 // Remove the child package setting 9699 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9700 for (int i = 0; i < childCount; i++) { 9701 PackageParser.Package childPkg = pkg.childPackages.get(i); 9702 ps = (PackageSetting) childPkg.mExtras; 9703 if (ps != null) { 9704 removePackageLI(ps, chatty); 9705 } 9706 } 9707 } 9708 9709 void removePackageLI(PackageSetting ps, boolean chatty) { 9710 if (DEBUG_INSTALL) { 9711 if (chatty) 9712 Log.d(TAG, "Removing package " + ps.name); 9713 } 9714 9715 // writer 9716 synchronized (mPackages) { 9717 mPackages.remove(ps.name); 9718 final PackageParser.Package pkg = ps.pkg; 9719 if (pkg != null) { 9720 cleanPackageDataStructuresLILPw(pkg, chatty); 9721 } 9722 } 9723 } 9724 9725 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9726 if (DEBUG_INSTALL) { 9727 if (chatty) 9728 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9729 } 9730 9731 // writer 9732 synchronized (mPackages) { 9733 // Remove the parent package 9734 mPackages.remove(pkg.applicationInfo.packageName); 9735 cleanPackageDataStructuresLILPw(pkg, chatty); 9736 9737 // Remove the child packages 9738 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9739 for (int i = 0; i < childCount; i++) { 9740 PackageParser.Package childPkg = pkg.childPackages.get(i); 9741 mPackages.remove(childPkg.applicationInfo.packageName); 9742 cleanPackageDataStructuresLILPw(childPkg, chatty); 9743 } 9744 } 9745 } 9746 9747 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9748 int N = pkg.providers.size(); 9749 StringBuilder r = null; 9750 int i; 9751 for (i=0; i<N; i++) { 9752 PackageParser.Provider p = pkg.providers.get(i); 9753 mProviders.removeProvider(p); 9754 if (p.info.authority == null) { 9755 9756 /* There was another ContentProvider with this authority when 9757 * this app was installed so this authority is null, 9758 * Ignore it as we don't have to unregister the provider. 9759 */ 9760 continue; 9761 } 9762 String names[] = p.info.authority.split(";"); 9763 for (int j = 0; j < names.length; j++) { 9764 if (mProvidersByAuthority.get(names[j]) == p) { 9765 mProvidersByAuthority.remove(names[j]); 9766 if (DEBUG_REMOVE) { 9767 if (chatty) 9768 Log.d(TAG, "Unregistered content provider: " + names[j] 9769 + ", className = " + p.info.name + ", isSyncable = " 9770 + p.info.isSyncable); 9771 } 9772 } 9773 } 9774 if (DEBUG_REMOVE && chatty) { 9775 if (r == null) { 9776 r = new StringBuilder(256); 9777 } else { 9778 r.append(' '); 9779 } 9780 r.append(p.info.name); 9781 } 9782 } 9783 if (r != null) { 9784 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9785 } 9786 9787 N = pkg.services.size(); 9788 r = null; 9789 for (i=0; i<N; i++) { 9790 PackageParser.Service s = pkg.services.get(i); 9791 mServices.removeService(s); 9792 if (chatty) { 9793 if (r == null) { 9794 r = new StringBuilder(256); 9795 } else { 9796 r.append(' '); 9797 } 9798 r.append(s.info.name); 9799 } 9800 } 9801 if (r != null) { 9802 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9803 } 9804 9805 N = pkg.receivers.size(); 9806 r = null; 9807 for (i=0; i<N; i++) { 9808 PackageParser.Activity a = pkg.receivers.get(i); 9809 mReceivers.removeActivity(a, "receiver"); 9810 if (DEBUG_REMOVE && chatty) { 9811 if (r == null) { 9812 r = new StringBuilder(256); 9813 } else { 9814 r.append(' '); 9815 } 9816 r.append(a.info.name); 9817 } 9818 } 9819 if (r != null) { 9820 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9821 } 9822 9823 N = pkg.activities.size(); 9824 r = null; 9825 for (i=0; i<N; i++) { 9826 PackageParser.Activity a = pkg.activities.get(i); 9827 mActivities.removeActivity(a, "activity"); 9828 if (DEBUG_REMOVE && chatty) { 9829 if (r == null) { 9830 r = new StringBuilder(256); 9831 } else { 9832 r.append(' '); 9833 } 9834 r.append(a.info.name); 9835 } 9836 } 9837 if (r != null) { 9838 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9839 } 9840 9841 N = pkg.permissions.size(); 9842 r = null; 9843 for (i=0; i<N; i++) { 9844 PackageParser.Permission p = pkg.permissions.get(i); 9845 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9846 if (bp == null) { 9847 bp = mSettings.mPermissionTrees.get(p.info.name); 9848 } 9849 if (bp != null && bp.perm == p) { 9850 bp.perm = null; 9851 if (DEBUG_REMOVE && chatty) { 9852 if (r == null) { 9853 r = new StringBuilder(256); 9854 } else { 9855 r.append(' '); 9856 } 9857 r.append(p.info.name); 9858 } 9859 } 9860 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9861 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9862 if (appOpPkgs != null) { 9863 appOpPkgs.remove(pkg.packageName); 9864 } 9865 } 9866 } 9867 if (r != null) { 9868 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9869 } 9870 9871 N = pkg.requestedPermissions.size(); 9872 r = null; 9873 for (i=0; i<N; i++) { 9874 String perm = pkg.requestedPermissions.get(i); 9875 BasePermission bp = mSettings.mPermissions.get(perm); 9876 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9877 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9878 if (appOpPkgs != null) { 9879 appOpPkgs.remove(pkg.packageName); 9880 if (appOpPkgs.isEmpty()) { 9881 mAppOpPermissionPackages.remove(perm); 9882 } 9883 } 9884 } 9885 } 9886 if (r != null) { 9887 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9888 } 9889 9890 N = pkg.instrumentation.size(); 9891 r = null; 9892 for (i=0; i<N; i++) { 9893 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9894 mInstrumentation.remove(a.getComponentName()); 9895 if (DEBUG_REMOVE && chatty) { 9896 if (r == null) { 9897 r = new StringBuilder(256); 9898 } else { 9899 r.append(' '); 9900 } 9901 r.append(a.info.name); 9902 } 9903 } 9904 if (r != null) { 9905 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9906 } 9907 9908 r = null; 9909 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9910 // Only system apps can hold shared libraries. 9911 if (pkg.libraryNames != null) { 9912 for (i=0; i<pkg.libraryNames.size(); i++) { 9913 String name = pkg.libraryNames.get(i); 9914 SharedLibraryEntry cur = mSharedLibraries.get(name); 9915 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9916 mSharedLibraries.remove(name); 9917 if (DEBUG_REMOVE && chatty) { 9918 if (r == null) { 9919 r = new StringBuilder(256); 9920 } else { 9921 r.append(' '); 9922 } 9923 r.append(name); 9924 } 9925 } 9926 } 9927 } 9928 } 9929 if (r != null) { 9930 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9931 } 9932 } 9933 9934 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9935 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9936 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9937 return true; 9938 } 9939 } 9940 return false; 9941 } 9942 9943 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9944 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9945 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9946 9947 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9948 // Update the parent permissions 9949 updatePermissionsLPw(pkg.packageName, pkg, flags); 9950 // Update the child permissions 9951 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9952 for (int i = 0; i < childCount; i++) { 9953 PackageParser.Package childPkg = pkg.childPackages.get(i); 9954 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9955 } 9956 } 9957 9958 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9959 int flags) { 9960 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9961 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9962 } 9963 9964 private void updatePermissionsLPw(String changingPkg, 9965 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9966 // Make sure there are no dangling permission trees. 9967 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9968 while (it.hasNext()) { 9969 final BasePermission bp = it.next(); 9970 if (bp.packageSetting == null) { 9971 // We may not yet have parsed the package, so just see if 9972 // we still know about its settings. 9973 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9974 } 9975 if (bp.packageSetting == null) { 9976 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9977 + " from package " + bp.sourcePackage); 9978 it.remove(); 9979 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9980 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9981 Slog.i(TAG, "Removing old permission tree: " + bp.name 9982 + " from package " + bp.sourcePackage); 9983 flags |= UPDATE_PERMISSIONS_ALL; 9984 it.remove(); 9985 } 9986 } 9987 } 9988 9989 // Make sure all dynamic permissions have been assigned to a package, 9990 // and make sure there are no dangling permissions. 9991 it = mSettings.mPermissions.values().iterator(); 9992 while (it.hasNext()) { 9993 final BasePermission bp = it.next(); 9994 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9995 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9996 + bp.name + " pkg=" + bp.sourcePackage 9997 + " info=" + bp.pendingInfo); 9998 if (bp.packageSetting == null && bp.pendingInfo != null) { 9999 final BasePermission tree = findPermissionTreeLP(bp.name); 10000 if (tree != null && tree.perm != null) { 10001 bp.packageSetting = tree.packageSetting; 10002 bp.perm = new PackageParser.Permission(tree.perm.owner, 10003 new PermissionInfo(bp.pendingInfo)); 10004 bp.perm.info.packageName = tree.perm.info.packageName; 10005 bp.perm.info.name = bp.name; 10006 bp.uid = tree.uid; 10007 } 10008 } 10009 } 10010 if (bp.packageSetting == null) { 10011 // We may not yet have parsed the package, so just see if 10012 // we still know about its settings. 10013 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 10014 } 10015 if (bp.packageSetting == null) { 10016 Slog.w(TAG, "Removing dangling permission: " + bp.name 10017 + " from package " + bp.sourcePackage); 10018 it.remove(); 10019 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 10020 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 10021 Slog.i(TAG, "Removing old permission: " + bp.name 10022 + " from package " + bp.sourcePackage); 10023 flags |= UPDATE_PERMISSIONS_ALL; 10024 it.remove(); 10025 } 10026 } 10027 } 10028 10029 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 10030 // Now update the permissions for all packages, in particular 10031 // replace the granted permissions of the system packages. 10032 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 10033 for (PackageParser.Package pkg : mPackages.values()) { 10034 if (pkg != pkgInfo) { 10035 // Only replace for packages on requested volume 10036 final String volumeUuid = getVolumeUuidForPackage(pkg); 10037 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 10038 && Objects.equals(replaceVolumeUuid, volumeUuid); 10039 grantPermissionsLPw(pkg, replace, changingPkg); 10040 } 10041 } 10042 } 10043 10044 if (pkgInfo != null) { 10045 // Only replace for packages on requested volume 10046 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 10047 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 10048 && Objects.equals(replaceVolumeUuid, volumeUuid); 10049 grantPermissionsLPw(pkgInfo, replace, changingPkg); 10050 } 10051 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10052 } 10053 10054 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 10055 String packageOfInterest) { 10056 // IMPORTANT: There are two types of permissions: install and runtime. 10057 // Install time permissions are granted when the app is installed to 10058 // all device users and users added in the future. Runtime permissions 10059 // are granted at runtime explicitly to specific users. Normal and signature 10060 // protected permissions are install time permissions. Dangerous permissions 10061 // are install permissions if the app's target SDK is Lollipop MR1 or older, 10062 // otherwise they are runtime permissions. This function does not manage 10063 // runtime permissions except for the case an app targeting Lollipop MR1 10064 // being upgraded to target a newer SDK, in which case dangerous permissions 10065 // are transformed from install time to runtime ones. 10066 10067 final PackageSetting ps = (PackageSetting) pkg.mExtras; 10068 if (ps == null) { 10069 return; 10070 } 10071 10072 PermissionsState permissionsState = ps.getPermissionsState(); 10073 PermissionsState origPermissions = permissionsState; 10074 10075 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 10076 10077 boolean runtimePermissionsRevoked = false; 10078 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 10079 10080 boolean changedInstallPermission = false; 10081 10082 if (replace) { 10083 ps.installPermissionsFixed = false; 10084 if (!ps.isSharedUser()) { 10085 origPermissions = new PermissionsState(permissionsState); 10086 permissionsState.reset(); 10087 } else { 10088 // We need to know only about runtime permission changes since the 10089 // calling code always writes the install permissions state but 10090 // the runtime ones are written only if changed. The only cases of 10091 // changed runtime permissions here are promotion of an install to 10092 // runtime and revocation of a runtime from a shared user. 10093 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 10094 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10095 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10096 runtimePermissionsRevoked = true; 10097 } 10098 } 10099 } 10100 10101 permissionsState.setGlobalGids(mGlobalGids); 10102 10103 final int N = pkg.requestedPermissions.size(); 10104 for (int i=0; i<N; i++) { 10105 final String name = pkg.requestedPermissions.get(i); 10106 final BasePermission bp = mSettings.mPermissions.get(name); 10107 10108 if (DEBUG_INSTALL) { 10109 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10110 } 10111 10112 if (bp == null || bp.packageSetting == null) { 10113 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10114 Slog.w(TAG, "Unknown permission " + name 10115 + " in package " + pkg.packageName); 10116 } 10117 continue; 10118 } 10119 10120 final String perm = bp.name; 10121 boolean allowedSig = false; 10122 int grant = GRANT_DENIED; 10123 10124 // Keep track of app op permissions. 10125 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10126 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10127 if (pkgs == null) { 10128 pkgs = new ArraySet<>(); 10129 mAppOpPermissionPackages.put(bp.name, pkgs); 10130 } 10131 pkgs.add(pkg.packageName); 10132 } 10133 10134 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10135 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10136 >= Build.VERSION_CODES.M; 10137 switch (level) { 10138 case PermissionInfo.PROTECTION_NORMAL: { 10139 // For all apps normal permissions are install time ones. 10140 grant = GRANT_INSTALL; 10141 } break; 10142 10143 case PermissionInfo.PROTECTION_DANGEROUS: { 10144 // If a permission review is required for legacy apps we represent 10145 // their permissions as always granted runtime ones since we need 10146 // to keep the review required permission flag per user while an 10147 // install permission's state is shared across all users. 10148 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 10149 // For legacy apps dangerous permissions are install time ones. 10150 grant = GRANT_INSTALL; 10151 } else if (origPermissions.hasInstallPermission(bp.name)) { 10152 // For legacy apps that became modern, install becomes runtime. 10153 grant = GRANT_UPGRADE; 10154 } else if (mPromoteSystemApps 10155 && isSystemApp(ps) 10156 && mExistingSystemPackages.contains(ps.name)) { 10157 // For legacy system apps, install becomes runtime. 10158 // We cannot check hasInstallPermission() for system apps since those 10159 // permissions were granted implicitly and not persisted pre-M. 10160 grant = GRANT_UPGRADE; 10161 } else { 10162 // For modern apps keep runtime permissions unchanged. 10163 grant = GRANT_RUNTIME; 10164 } 10165 } break; 10166 10167 case PermissionInfo.PROTECTION_SIGNATURE: { 10168 // For all apps signature permissions are install time ones. 10169 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10170 if (allowedSig) { 10171 grant = GRANT_INSTALL; 10172 } 10173 } break; 10174 } 10175 10176 if (DEBUG_INSTALL) { 10177 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10178 } 10179 10180 if (grant != GRANT_DENIED) { 10181 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10182 // If this is an existing, non-system package, then 10183 // we can't add any new permissions to it. 10184 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10185 // Except... if this is a permission that was added 10186 // to the platform (note: need to only do this when 10187 // updating the platform). 10188 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10189 grant = GRANT_DENIED; 10190 } 10191 } 10192 } 10193 10194 switch (grant) { 10195 case GRANT_INSTALL: { 10196 // Revoke this as runtime permission to handle the case of 10197 // a runtime permission being downgraded to an install one. 10198 // Also in permission review mode we keep dangerous permissions 10199 // for legacy apps 10200 for (int userId : UserManagerService.getInstance().getUserIds()) { 10201 if (origPermissions.getRuntimePermissionState( 10202 bp.name, userId) != null) { 10203 // Revoke the runtime permission and clear the flags. 10204 origPermissions.revokeRuntimePermission(bp, userId); 10205 origPermissions.updatePermissionFlags(bp, userId, 10206 PackageManager.MASK_PERMISSION_FLAGS, 0); 10207 // If we revoked a permission permission, we have to write. 10208 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10209 changedRuntimePermissionUserIds, userId); 10210 } 10211 } 10212 // Grant an install permission. 10213 if (permissionsState.grantInstallPermission(bp) != 10214 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10215 changedInstallPermission = true; 10216 } 10217 } break; 10218 10219 case GRANT_RUNTIME: { 10220 // Grant previously granted runtime permissions. 10221 for (int userId : UserManagerService.getInstance().getUserIds()) { 10222 PermissionState permissionState = origPermissions 10223 .getRuntimePermissionState(bp.name, userId); 10224 int flags = permissionState != null 10225 ? permissionState.getFlags() : 0; 10226 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10227 if (permissionsState.grantRuntimePermission(bp, userId) == 10228 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10229 // If we cannot put the permission as it was, we have to write. 10230 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10231 changedRuntimePermissionUserIds, userId); 10232 } 10233 // If the app supports runtime permissions no need for a review. 10234 if (mPermissionReviewRequired 10235 && appSupportsRuntimePermissions 10236 && (flags & PackageManager 10237 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10238 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10239 // Since we changed the flags, we have to write. 10240 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10241 changedRuntimePermissionUserIds, userId); 10242 } 10243 } else if (mPermissionReviewRequired 10244 && !appSupportsRuntimePermissions) { 10245 // For legacy apps that need a permission review, every new 10246 // runtime permission is granted but it is pending a review. 10247 // We also need to review only platform defined runtime 10248 // permissions as these are the only ones the platform knows 10249 // how to disable the API to simulate revocation as legacy 10250 // apps don't expect to run with revoked permissions. 10251 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10252 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10253 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10254 // We changed the flags, hence have to write. 10255 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10256 changedRuntimePermissionUserIds, userId); 10257 } 10258 } 10259 if (permissionsState.grantRuntimePermission(bp, userId) 10260 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10261 // We changed the permission, hence have to write. 10262 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10263 changedRuntimePermissionUserIds, userId); 10264 } 10265 } 10266 // Propagate the permission flags. 10267 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10268 } 10269 } break; 10270 10271 case GRANT_UPGRADE: { 10272 // Grant runtime permissions for a previously held install permission. 10273 PermissionState permissionState = origPermissions 10274 .getInstallPermissionState(bp.name); 10275 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10276 10277 if (origPermissions.revokeInstallPermission(bp) 10278 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10279 // We will be transferring the permission flags, so clear them. 10280 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10281 PackageManager.MASK_PERMISSION_FLAGS, 0); 10282 changedInstallPermission = true; 10283 } 10284 10285 // If the permission is not to be promoted to runtime we ignore it and 10286 // also its other flags as they are not applicable to install permissions. 10287 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10288 for (int userId : currentUserIds) { 10289 if (permissionsState.grantRuntimePermission(bp, userId) != 10290 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10291 // Transfer the permission flags. 10292 permissionsState.updatePermissionFlags(bp, userId, 10293 flags, flags); 10294 // If we granted the permission, we have to write. 10295 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10296 changedRuntimePermissionUserIds, userId); 10297 } 10298 } 10299 } 10300 } break; 10301 10302 default: { 10303 if (packageOfInterest == null 10304 || packageOfInterest.equals(pkg.packageName)) { 10305 Slog.w(TAG, "Not granting permission " + perm 10306 + " to package " + pkg.packageName 10307 + " because it was previously installed without"); 10308 } 10309 } break; 10310 } 10311 } else { 10312 if (permissionsState.revokeInstallPermission(bp) != 10313 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10314 // Also drop the permission flags. 10315 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10316 PackageManager.MASK_PERMISSION_FLAGS, 0); 10317 changedInstallPermission = true; 10318 Slog.i(TAG, "Un-granting permission " + perm 10319 + " from package " + pkg.packageName 10320 + " (protectionLevel=" + bp.protectionLevel 10321 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10322 + ")"); 10323 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10324 // Don't print warning for app op permissions, since it is fine for them 10325 // not to be granted, there is a UI for the user to decide. 10326 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10327 Slog.w(TAG, "Not granting permission " + perm 10328 + " to package " + pkg.packageName 10329 + " (protectionLevel=" + bp.protectionLevel 10330 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10331 + ")"); 10332 } 10333 } 10334 } 10335 } 10336 10337 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10338 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10339 // This is the first that we have heard about this package, so the 10340 // permissions we have now selected are fixed until explicitly 10341 // changed. 10342 ps.installPermissionsFixed = true; 10343 } 10344 10345 // Persist the runtime permissions state for users with changes. If permissions 10346 // were revoked because no app in the shared user declares them we have to 10347 // write synchronously to avoid losing runtime permissions state. 10348 for (int userId : changedRuntimePermissionUserIds) { 10349 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10350 } 10351 } 10352 10353 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10354 boolean allowed = false; 10355 final int NP = PackageParser.NEW_PERMISSIONS.length; 10356 for (int ip=0; ip<NP; ip++) { 10357 final PackageParser.NewPermissionInfo npi 10358 = PackageParser.NEW_PERMISSIONS[ip]; 10359 if (npi.name.equals(perm) 10360 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10361 allowed = true; 10362 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10363 + pkg.packageName); 10364 break; 10365 } 10366 } 10367 return allowed; 10368 } 10369 10370 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10371 BasePermission bp, PermissionsState origPermissions) { 10372 boolean allowed; 10373 allowed = (compareSignatures( 10374 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10375 == PackageManager.SIGNATURE_MATCH) 10376 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10377 == PackageManager.SIGNATURE_MATCH); 10378 if (!allowed && (bp.protectionLevel 10379 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10380 if (isSystemApp(pkg)) { 10381 // For updated system applications, a system permission 10382 // is granted only if it had been defined by the original application. 10383 if (pkg.isUpdatedSystemApp()) { 10384 final PackageSetting sysPs = mSettings 10385 .getDisabledSystemPkgLPr(pkg.packageName); 10386 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10387 // If the original was granted this permission, we take 10388 // that grant decision as read and propagate it to the 10389 // update. 10390 if (sysPs.isPrivileged()) { 10391 allowed = true; 10392 } 10393 } else { 10394 // The system apk may have been updated with an older 10395 // version of the one on the data partition, but which 10396 // granted a new system permission that it didn't have 10397 // before. In this case we do want to allow the app to 10398 // now get the new permission if the ancestral apk is 10399 // privileged to get it. 10400 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10401 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10402 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10403 allowed = true; 10404 break; 10405 } 10406 } 10407 } 10408 // Also if a privileged parent package on the system image or any of 10409 // its children requested a privileged permission, the updated child 10410 // packages can also get the permission. 10411 if (pkg.parentPackage != null) { 10412 final PackageSetting disabledSysParentPs = mSettings 10413 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10414 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10415 && disabledSysParentPs.isPrivileged()) { 10416 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10417 allowed = true; 10418 } else if (disabledSysParentPs.pkg.childPackages != null) { 10419 final int count = disabledSysParentPs.pkg.childPackages.size(); 10420 for (int i = 0; i < count; i++) { 10421 PackageParser.Package disabledSysChildPkg = 10422 disabledSysParentPs.pkg.childPackages.get(i); 10423 if (isPackageRequestingPermission(disabledSysChildPkg, 10424 perm)) { 10425 allowed = true; 10426 break; 10427 } 10428 } 10429 } 10430 } 10431 } 10432 } 10433 } else { 10434 allowed = isPrivilegedApp(pkg); 10435 } 10436 } 10437 } 10438 if (!allowed) { 10439 if (!allowed && (bp.protectionLevel 10440 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10441 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10442 // If this was a previously normal/dangerous permission that got moved 10443 // to a system permission as part of the runtime permission redesign, then 10444 // we still want to blindly grant it to old apps. 10445 allowed = true; 10446 } 10447 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10448 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10449 // If this permission is to be granted to the system installer and 10450 // this app is an installer, then it gets the permission. 10451 allowed = true; 10452 } 10453 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10454 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10455 // If this permission is to be granted to the system verifier and 10456 // this app is a verifier, then it gets the permission. 10457 allowed = true; 10458 } 10459 if (!allowed && (bp.protectionLevel 10460 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10461 && isSystemApp(pkg)) { 10462 // Any pre-installed system app is allowed to get this permission. 10463 allowed = true; 10464 } 10465 if (!allowed && (bp.protectionLevel 10466 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10467 // For development permissions, a development permission 10468 // is granted only if it was already granted. 10469 allowed = origPermissions.hasInstallPermission(perm); 10470 } 10471 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10472 && pkg.packageName.equals(mSetupWizardPackage)) { 10473 // If this permission is to be granted to the system setup wizard and 10474 // this app is a setup wizard, then it gets the permission. 10475 allowed = true; 10476 } 10477 } 10478 return allowed; 10479 } 10480 10481 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10482 final int permCount = pkg.requestedPermissions.size(); 10483 for (int j = 0; j < permCount; j++) { 10484 String requestedPermission = pkg.requestedPermissions.get(j); 10485 if (permission.equals(requestedPermission)) { 10486 return true; 10487 } 10488 } 10489 return false; 10490 } 10491 10492 final class ActivityIntentResolver 10493 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10494 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10495 boolean defaultOnly, int userId) { 10496 if (!sUserManager.exists(userId)) return null; 10497 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10498 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10499 } 10500 10501 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10502 int userId) { 10503 if (!sUserManager.exists(userId)) return null; 10504 mFlags = flags; 10505 return super.queryIntent(intent, resolvedType, 10506 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10507 } 10508 10509 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10510 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10511 if (!sUserManager.exists(userId)) return null; 10512 if (packageActivities == null) { 10513 return null; 10514 } 10515 mFlags = flags; 10516 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10517 final int N = packageActivities.size(); 10518 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10519 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10520 10521 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10522 for (int i = 0; i < N; ++i) { 10523 intentFilters = packageActivities.get(i).intents; 10524 if (intentFilters != null && intentFilters.size() > 0) { 10525 PackageParser.ActivityIntentInfo[] array = 10526 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10527 intentFilters.toArray(array); 10528 listCut.add(array); 10529 } 10530 } 10531 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10532 } 10533 10534 /** 10535 * Finds a privileged activity that matches the specified activity names. 10536 */ 10537 private PackageParser.Activity findMatchingActivity( 10538 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10539 for (PackageParser.Activity sysActivity : activityList) { 10540 if (sysActivity.info.name.equals(activityInfo.name)) { 10541 return sysActivity; 10542 } 10543 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10544 return sysActivity; 10545 } 10546 if (sysActivity.info.targetActivity != null) { 10547 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10548 return sysActivity; 10549 } 10550 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10551 return sysActivity; 10552 } 10553 } 10554 } 10555 return null; 10556 } 10557 10558 public class IterGenerator<E> { 10559 public Iterator<E> generate(ActivityIntentInfo info) { 10560 return null; 10561 } 10562 } 10563 10564 public class ActionIterGenerator extends IterGenerator<String> { 10565 @Override 10566 public Iterator<String> generate(ActivityIntentInfo info) { 10567 return info.actionsIterator(); 10568 } 10569 } 10570 10571 public class CategoriesIterGenerator extends IterGenerator<String> { 10572 @Override 10573 public Iterator<String> generate(ActivityIntentInfo info) { 10574 return info.categoriesIterator(); 10575 } 10576 } 10577 10578 public class SchemesIterGenerator extends IterGenerator<String> { 10579 @Override 10580 public Iterator<String> generate(ActivityIntentInfo info) { 10581 return info.schemesIterator(); 10582 } 10583 } 10584 10585 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10586 @Override 10587 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10588 return info.authoritiesIterator(); 10589 } 10590 } 10591 10592 /** 10593 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10594 * MODIFIED. Do not pass in a list that should not be changed. 10595 */ 10596 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10597 IterGenerator<T> generator, Iterator<T> searchIterator) { 10598 // loop through the set of actions; every one must be found in the intent filter 10599 while (searchIterator.hasNext()) { 10600 // we must have at least one filter in the list to consider a match 10601 if (intentList.size() == 0) { 10602 break; 10603 } 10604 10605 final T searchAction = searchIterator.next(); 10606 10607 // loop through the set of intent filters 10608 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10609 while (intentIter.hasNext()) { 10610 final ActivityIntentInfo intentInfo = intentIter.next(); 10611 boolean selectionFound = false; 10612 10613 // loop through the intent filter's selection criteria; at least one 10614 // of them must match the searched criteria 10615 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10616 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10617 final T intentSelection = intentSelectionIter.next(); 10618 if (intentSelection != null && intentSelection.equals(searchAction)) { 10619 selectionFound = true; 10620 break; 10621 } 10622 } 10623 10624 // the selection criteria wasn't found in this filter's set; this filter 10625 // is not a potential match 10626 if (!selectionFound) { 10627 intentIter.remove(); 10628 } 10629 } 10630 } 10631 } 10632 10633 private boolean isProtectedAction(ActivityIntentInfo filter) { 10634 final Iterator<String> actionsIter = filter.actionsIterator(); 10635 while (actionsIter != null && actionsIter.hasNext()) { 10636 final String filterAction = actionsIter.next(); 10637 if (PROTECTED_ACTIONS.contains(filterAction)) { 10638 return true; 10639 } 10640 } 10641 return false; 10642 } 10643 10644 /** 10645 * Adjusts the priority of the given intent filter according to policy. 10646 * <p> 10647 * <ul> 10648 * <li>The priority for non privileged applications is capped to '0'</li> 10649 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10650 * <li>The priority for unbundled updates to privileged applications is capped to the 10651 * priority defined on the system partition</li> 10652 * </ul> 10653 * <p> 10654 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10655 * allowed to obtain any priority on any action. 10656 */ 10657 private void adjustPriority( 10658 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10659 // nothing to do; priority is fine as-is 10660 if (intent.getPriority() <= 0) { 10661 return; 10662 } 10663 10664 final ActivityInfo activityInfo = intent.activity.info; 10665 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10666 10667 final boolean privilegedApp = 10668 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10669 if (!privilegedApp) { 10670 // non-privileged applications can never define a priority >0 10671 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10672 + " package: " + applicationInfo.packageName 10673 + " activity: " + intent.activity.className 10674 + " origPrio: " + intent.getPriority()); 10675 intent.setPriority(0); 10676 return; 10677 } 10678 10679 if (systemActivities == null) { 10680 // the system package is not disabled; we're parsing the system partition 10681 if (isProtectedAction(intent)) { 10682 if (mDeferProtectedFilters) { 10683 // We can't deal with these just yet. No component should ever obtain a 10684 // >0 priority for a protected actions, with ONE exception -- the setup 10685 // wizard. The setup wizard, however, cannot be known until we're able to 10686 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10687 // until all intent filters have been processed. Chicken, meet egg. 10688 // Let the filter temporarily have a high priority and rectify the 10689 // priorities after all system packages have been scanned. 10690 mProtectedFilters.add(intent); 10691 if (DEBUG_FILTERS) { 10692 Slog.i(TAG, "Protected action; save for later;" 10693 + " package: " + applicationInfo.packageName 10694 + " activity: " + intent.activity.className 10695 + " origPrio: " + intent.getPriority()); 10696 } 10697 return; 10698 } else { 10699 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10700 Slog.i(TAG, "No setup wizard;" 10701 + " All protected intents capped to priority 0"); 10702 } 10703 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10704 if (DEBUG_FILTERS) { 10705 Slog.i(TAG, "Found setup wizard;" 10706 + " allow priority " + intent.getPriority() + ";" 10707 + " package: " + intent.activity.info.packageName 10708 + " activity: " + intent.activity.className 10709 + " priority: " + intent.getPriority()); 10710 } 10711 // setup wizard gets whatever it wants 10712 return; 10713 } 10714 Slog.w(TAG, "Protected action; cap priority to 0;" 10715 + " package: " + intent.activity.info.packageName 10716 + " activity: " + intent.activity.className 10717 + " origPrio: " + intent.getPriority()); 10718 intent.setPriority(0); 10719 return; 10720 } 10721 } 10722 // privileged apps on the system image get whatever priority they request 10723 return; 10724 } 10725 10726 // privileged app unbundled update ... try to find the same activity 10727 final PackageParser.Activity foundActivity = 10728 findMatchingActivity(systemActivities, activityInfo); 10729 if (foundActivity == null) { 10730 // this is a new activity; it cannot obtain >0 priority 10731 if (DEBUG_FILTERS) { 10732 Slog.i(TAG, "New activity; cap priority to 0;" 10733 + " package: " + applicationInfo.packageName 10734 + " activity: " + intent.activity.className 10735 + " origPrio: " + intent.getPriority()); 10736 } 10737 intent.setPriority(0); 10738 return; 10739 } 10740 10741 // found activity, now check for filter equivalence 10742 10743 // a shallow copy is enough; we modify the list, not its contents 10744 final List<ActivityIntentInfo> intentListCopy = 10745 new ArrayList<>(foundActivity.intents); 10746 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10747 10748 // find matching action subsets 10749 final Iterator<String> actionsIterator = intent.actionsIterator(); 10750 if (actionsIterator != null) { 10751 getIntentListSubset( 10752 intentListCopy, new ActionIterGenerator(), actionsIterator); 10753 if (intentListCopy.size() == 0) { 10754 // no more intents to match; we're not equivalent 10755 if (DEBUG_FILTERS) { 10756 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10757 + " package: " + applicationInfo.packageName 10758 + " activity: " + intent.activity.className 10759 + " origPrio: " + intent.getPriority()); 10760 } 10761 intent.setPriority(0); 10762 return; 10763 } 10764 } 10765 10766 // find matching category subsets 10767 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10768 if (categoriesIterator != null) { 10769 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10770 categoriesIterator); 10771 if (intentListCopy.size() == 0) { 10772 // no more intents to match; we're not equivalent 10773 if (DEBUG_FILTERS) { 10774 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10775 + " package: " + applicationInfo.packageName 10776 + " activity: " + intent.activity.className 10777 + " origPrio: " + intent.getPriority()); 10778 } 10779 intent.setPriority(0); 10780 return; 10781 } 10782 } 10783 10784 // find matching schemes subsets 10785 final Iterator<String> schemesIterator = intent.schemesIterator(); 10786 if (schemesIterator != null) { 10787 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10788 schemesIterator); 10789 if (intentListCopy.size() == 0) { 10790 // no more intents to match; we're not equivalent 10791 if (DEBUG_FILTERS) { 10792 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10793 + " package: " + applicationInfo.packageName 10794 + " activity: " + intent.activity.className 10795 + " origPrio: " + intent.getPriority()); 10796 } 10797 intent.setPriority(0); 10798 return; 10799 } 10800 } 10801 10802 // find matching authorities subsets 10803 final Iterator<IntentFilter.AuthorityEntry> 10804 authoritiesIterator = intent.authoritiesIterator(); 10805 if (authoritiesIterator != null) { 10806 getIntentListSubset(intentListCopy, 10807 new AuthoritiesIterGenerator(), 10808 authoritiesIterator); 10809 if (intentListCopy.size() == 0) { 10810 // no more intents to match; we're not equivalent 10811 if (DEBUG_FILTERS) { 10812 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10813 + " package: " + applicationInfo.packageName 10814 + " activity: " + intent.activity.className 10815 + " origPrio: " + intent.getPriority()); 10816 } 10817 intent.setPriority(0); 10818 return; 10819 } 10820 } 10821 10822 // we found matching filter(s); app gets the max priority of all intents 10823 int cappedPriority = 0; 10824 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10825 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10826 } 10827 if (intent.getPriority() > cappedPriority) { 10828 if (DEBUG_FILTERS) { 10829 Slog.i(TAG, "Found matching filter(s);" 10830 + " cap priority to " + cappedPriority + ";" 10831 + " package: " + applicationInfo.packageName 10832 + " activity: " + intent.activity.className 10833 + " origPrio: " + intent.getPriority()); 10834 } 10835 intent.setPriority(cappedPriority); 10836 return; 10837 } 10838 // all this for nothing; the requested priority was <= what was on the system 10839 } 10840 10841 public final void addActivity(PackageParser.Activity a, String type) { 10842 mActivities.put(a.getComponentName(), a); 10843 if (DEBUG_SHOW_INFO) 10844 Log.v( 10845 TAG, " " + type + " " + 10846 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10847 if (DEBUG_SHOW_INFO) 10848 Log.v(TAG, " Class=" + a.info.name); 10849 final int NI = a.intents.size(); 10850 for (int j=0; j<NI; j++) { 10851 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10852 if ("activity".equals(type)) { 10853 final PackageSetting ps = 10854 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10855 final List<PackageParser.Activity> systemActivities = 10856 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10857 adjustPriority(systemActivities, intent); 10858 } 10859 if (DEBUG_SHOW_INFO) { 10860 Log.v(TAG, " IntentFilter:"); 10861 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10862 } 10863 if (!intent.debugCheck()) { 10864 Log.w(TAG, "==> For Activity " + a.info.name); 10865 } 10866 addFilter(intent); 10867 } 10868 } 10869 10870 public final void removeActivity(PackageParser.Activity a, String type) { 10871 mActivities.remove(a.getComponentName()); 10872 if (DEBUG_SHOW_INFO) { 10873 Log.v(TAG, " " + type + " " 10874 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10875 : a.info.name) + ":"); 10876 Log.v(TAG, " Class=" + a.info.name); 10877 } 10878 final int NI = a.intents.size(); 10879 for (int j=0; j<NI; j++) { 10880 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10881 if (DEBUG_SHOW_INFO) { 10882 Log.v(TAG, " IntentFilter:"); 10883 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10884 } 10885 removeFilter(intent); 10886 } 10887 } 10888 10889 @Override 10890 protected boolean allowFilterResult( 10891 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10892 ActivityInfo filterAi = filter.activity.info; 10893 for (int i=dest.size()-1; i>=0; i--) { 10894 ActivityInfo destAi = dest.get(i).activityInfo; 10895 if (destAi.name == filterAi.name 10896 && destAi.packageName == filterAi.packageName) { 10897 return false; 10898 } 10899 } 10900 return true; 10901 } 10902 10903 @Override 10904 protected ActivityIntentInfo[] newArray(int size) { 10905 return new ActivityIntentInfo[size]; 10906 } 10907 10908 @Override 10909 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10910 if (!sUserManager.exists(userId)) return true; 10911 PackageParser.Package p = filter.activity.owner; 10912 if (p != null) { 10913 PackageSetting ps = (PackageSetting)p.mExtras; 10914 if (ps != null) { 10915 // System apps are never considered stopped for purposes of 10916 // filtering, because there may be no way for the user to 10917 // actually re-launch them. 10918 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10919 && ps.getStopped(userId); 10920 } 10921 } 10922 return false; 10923 } 10924 10925 @Override 10926 protected boolean isPackageForFilter(String packageName, 10927 PackageParser.ActivityIntentInfo info) { 10928 return packageName.equals(info.activity.owner.packageName); 10929 } 10930 10931 @Override 10932 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10933 int match, int userId) { 10934 if (!sUserManager.exists(userId)) return null; 10935 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10936 return null; 10937 } 10938 final PackageParser.Activity activity = info.activity; 10939 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10940 if (ps == null) { 10941 return null; 10942 } 10943 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10944 ps.readUserState(userId), userId); 10945 if (ai == null) { 10946 return null; 10947 } 10948 final ResolveInfo res = new ResolveInfo(); 10949 res.activityInfo = ai; 10950 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10951 res.filter = info; 10952 } 10953 if (info != null) { 10954 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10955 } 10956 res.priority = info.getPriority(); 10957 res.preferredOrder = activity.owner.mPreferredOrder; 10958 //System.out.println("Result: " + res.activityInfo.className + 10959 // " = " + res.priority); 10960 res.match = match; 10961 res.isDefault = info.hasDefault; 10962 res.labelRes = info.labelRes; 10963 res.nonLocalizedLabel = info.nonLocalizedLabel; 10964 if (userNeedsBadging(userId)) { 10965 res.noResourceId = true; 10966 } else { 10967 res.icon = info.icon; 10968 } 10969 res.iconResourceId = info.icon; 10970 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10971 return res; 10972 } 10973 10974 @Override 10975 protected void sortResults(List<ResolveInfo> results) { 10976 Collections.sort(results, mResolvePrioritySorter); 10977 } 10978 10979 @Override 10980 protected void dumpFilter(PrintWriter out, String prefix, 10981 PackageParser.ActivityIntentInfo filter) { 10982 out.print(prefix); out.print( 10983 Integer.toHexString(System.identityHashCode(filter.activity))); 10984 out.print(' '); 10985 filter.activity.printComponentShortName(out); 10986 out.print(" filter "); 10987 out.println(Integer.toHexString(System.identityHashCode(filter))); 10988 } 10989 10990 @Override 10991 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10992 return filter.activity; 10993 } 10994 10995 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10996 PackageParser.Activity activity = (PackageParser.Activity)label; 10997 out.print(prefix); out.print( 10998 Integer.toHexString(System.identityHashCode(activity))); 10999 out.print(' '); 11000 activity.printComponentShortName(out); 11001 if (count > 1) { 11002 out.print(" ("); out.print(count); out.print(" filters)"); 11003 } 11004 out.println(); 11005 } 11006 11007 // Keys are String (activity class name), values are Activity. 11008 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 11009 = new ArrayMap<ComponentName, PackageParser.Activity>(); 11010 private int mFlags; 11011 } 11012 11013 private final class ServiceIntentResolver 11014 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 11015 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11016 boolean defaultOnly, int userId) { 11017 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11018 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11019 } 11020 11021 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11022 int userId) { 11023 if (!sUserManager.exists(userId)) return null; 11024 mFlags = flags; 11025 return super.queryIntent(intent, resolvedType, 11026 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11027 } 11028 11029 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11030 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 11031 if (!sUserManager.exists(userId)) return null; 11032 if (packageServices == null) { 11033 return null; 11034 } 11035 mFlags = flags; 11036 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 11037 final int N = packageServices.size(); 11038 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 11039 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 11040 11041 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 11042 for (int i = 0; i < N; ++i) { 11043 intentFilters = packageServices.get(i).intents; 11044 if (intentFilters != null && intentFilters.size() > 0) { 11045 PackageParser.ServiceIntentInfo[] array = 11046 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 11047 intentFilters.toArray(array); 11048 listCut.add(array); 11049 } 11050 } 11051 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11052 } 11053 11054 public final void addService(PackageParser.Service s) { 11055 mServices.put(s.getComponentName(), s); 11056 if (DEBUG_SHOW_INFO) { 11057 Log.v(TAG, " " 11058 + (s.info.nonLocalizedLabel != null 11059 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11060 Log.v(TAG, " Class=" + s.info.name); 11061 } 11062 final int NI = s.intents.size(); 11063 int j; 11064 for (j=0; j<NI; j++) { 11065 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11066 if (DEBUG_SHOW_INFO) { 11067 Log.v(TAG, " IntentFilter:"); 11068 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11069 } 11070 if (!intent.debugCheck()) { 11071 Log.w(TAG, "==> For Service " + s.info.name); 11072 } 11073 addFilter(intent); 11074 } 11075 } 11076 11077 public final void removeService(PackageParser.Service s) { 11078 mServices.remove(s.getComponentName()); 11079 if (DEBUG_SHOW_INFO) { 11080 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 11081 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11082 Log.v(TAG, " Class=" + s.info.name); 11083 } 11084 final int NI = s.intents.size(); 11085 int j; 11086 for (j=0; j<NI; j++) { 11087 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11088 if (DEBUG_SHOW_INFO) { 11089 Log.v(TAG, " IntentFilter:"); 11090 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11091 } 11092 removeFilter(intent); 11093 } 11094 } 11095 11096 @Override 11097 protected boolean allowFilterResult( 11098 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11099 ServiceInfo filterSi = filter.service.info; 11100 for (int i=dest.size()-1; i>=0; i--) { 11101 ServiceInfo destAi = dest.get(i).serviceInfo; 11102 if (destAi.name == filterSi.name 11103 && destAi.packageName == filterSi.packageName) { 11104 return false; 11105 } 11106 } 11107 return true; 11108 } 11109 11110 @Override 11111 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11112 return new PackageParser.ServiceIntentInfo[size]; 11113 } 11114 11115 @Override 11116 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11117 if (!sUserManager.exists(userId)) return true; 11118 PackageParser.Package p = filter.service.owner; 11119 if (p != null) { 11120 PackageSetting ps = (PackageSetting)p.mExtras; 11121 if (ps != null) { 11122 // System apps are never considered stopped for purposes of 11123 // filtering, because there may be no way for the user to 11124 // actually re-launch them. 11125 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11126 && ps.getStopped(userId); 11127 } 11128 } 11129 return false; 11130 } 11131 11132 @Override 11133 protected boolean isPackageForFilter(String packageName, 11134 PackageParser.ServiceIntentInfo info) { 11135 return packageName.equals(info.service.owner.packageName); 11136 } 11137 11138 @Override 11139 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11140 int match, int userId) { 11141 if (!sUserManager.exists(userId)) return null; 11142 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11143 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11144 return null; 11145 } 11146 final PackageParser.Service service = info.service; 11147 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11148 if (ps == null) { 11149 return null; 11150 } 11151 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11152 ps.readUserState(userId), userId); 11153 if (si == null) { 11154 return null; 11155 } 11156 final ResolveInfo res = new ResolveInfo(); 11157 res.serviceInfo = si; 11158 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11159 res.filter = filter; 11160 } 11161 res.priority = info.getPriority(); 11162 res.preferredOrder = service.owner.mPreferredOrder; 11163 res.match = match; 11164 res.isDefault = info.hasDefault; 11165 res.labelRes = info.labelRes; 11166 res.nonLocalizedLabel = info.nonLocalizedLabel; 11167 res.icon = info.icon; 11168 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11169 return res; 11170 } 11171 11172 @Override 11173 protected void sortResults(List<ResolveInfo> results) { 11174 Collections.sort(results, mResolvePrioritySorter); 11175 } 11176 11177 @Override 11178 protected void dumpFilter(PrintWriter out, String prefix, 11179 PackageParser.ServiceIntentInfo filter) { 11180 out.print(prefix); out.print( 11181 Integer.toHexString(System.identityHashCode(filter.service))); 11182 out.print(' '); 11183 filter.service.printComponentShortName(out); 11184 out.print(" filter "); 11185 out.println(Integer.toHexString(System.identityHashCode(filter))); 11186 } 11187 11188 @Override 11189 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11190 return filter.service; 11191 } 11192 11193 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11194 PackageParser.Service service = (PackageParser.Service)label; 11195 out.print(prefix); out.print( 11196 Integer.toHexString(System.identityHashCode(service))); 11197 out.print(' '); 11198 service.printComponentShortName(out); 11199 if (count > 1) { 11200 out.print(" ("); out.print(count); out.print(" filters)"); 11201 } 11202 out.println(); 11203 } 11204 11205// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11206// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11207// final List<ResolveInfo> retList = Lists.newArrayList(); 11208// while (i.hasNext()) { 11209// final ResolveInfo resolveInfo = (ResolveInfo) i; 11210// if (isEnabledLP(resolveInfo.serviceInfo)) { 11211// retList.add(resolveInfo); 11212// } 11213// } 11214// return retList; 11215// } 11216 11217 // Keys are String (activity class name), values are Activity. 11218 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11219 = new ArrayMap<ComponentName, PackageParser.Service>(); 11220 private int mFlags; 11221 }; 11222 11223 private final class ProviderIntentResolver 11224 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11225 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11226 boolean defaultOnly, int userId) { 11227 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11228 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11229 } 11230 11231 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11232 int userId) { 11233 if (!sUserManager.exists(userId)) 11234 return null; 11235 mFlags = flags; 11236 return super.queryIntent(intent, resolvedType, 11237 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11238 } 11239 11240 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11241 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11242 if (!sUserManager.exists(userId)) 11243 return null; 11244 if (packageProviders == null) { 11245 return null; 11246 } 11247 mFlags = flags; 11248 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11249 final int N = packageProviders.size(); 11250 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11251 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11252 11253 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11254 for (int i = 0; i < N; ++i) { 11255 intentFilters = packageProviders.get(i).intents; 11256 if (intentFilters != null && intentFilters.size() > 0) { 11257 PackageParser.ProviderIntentInfo[] array = 11258 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11259 intentFilters.toArray(array); 11260 listCut.add(array); 11261 } 11262 } 11263 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11264 } 11265 11266 public final void addProvider(PackageParser.Provider p) { 11267 if (mProviders.containsKey(p.getComponentName())) { 11268 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11269 return; 11270 } 11271 11272 mProviders.put(p.getComponentName(), p); 11273 if (DEBUG_SHOW_INFO) { 11274 Log.v(TAG, " " 11275 + (p.info.nonLocalizedLabel != null 11276 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11277 Log.v(TAG, " Class=" + p.info.name); 11278 } 11279 final int NI = p.intents.size(); 11280 int j; 11281 for (j = 0; j < NI; j++) { 11282 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11283 if (DEBUG_SHOW_INFO) { 11284 Log.v(TAG, " IntentFilter:"); 11285 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11286 } 11287 if (!intent.debugCheck()) { 11288 Log.w(TAG, "==> For Provider " + p.info.name); 11289 } 11290 addFilter(intent); 11291 } 11292 } 11293 11294 public final void removeProvider(PackageParser.Provider p) { 11295 mProviders.remove(p.getComponentName()); 11296 if (DEBUG_SHOW_INFO) { 11297 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11298 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11299 Log.v(TAG, " Class=" + p.info.name); 11300 } 11301 final int NI = p.intents.size(); 11302 int j; 11303 for (j = 0; j < NI; j++) { 11304 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11305 if (DEBUG_SHOW_INFO) { 11306 Log.v(TAG, " IntentFilter:"); 11307 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11308 } 11309 removeFilter(intent); 11310 } 11311 } 11312 11313 @Override 11314 protected boolean allowFilterResult( 11315 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11316 ProviderInfo filterPi = filter.provider.info; 11317 for (int i = dest.size() - 1; i >= 0; i--) { 11318 ProviderInfo destPi = dest.get(i).providerInfo; 11319 if (destPi.name == filterPi.name 11320 && destPi.packageName == filterPi.packageName) { 11321 return false; 11322 } 11323 } 11324 return true; 11325 } 11326 11327 @Override 11328 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11329 return new PackageParser.ProviderIntentInfo[size]; 11330 } 11331 11332 @Override 11333 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11334 if (!sUserManager.exists(userId)) 11335 return true; 11336 PackageParser.Package p = filter.provider.owner; 11337 if (p != null) { 11338 PackageSetting ps = (PackageSetting) p.mExtras; 11339 if (ps != null) { 11340 // System apps are never considered stopped for purposes of 11341 // filtering, because there may be no way for the user to 11342 // actually re-launch them. 11343 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11344 && ps.getStopped(userId); 11345 } 11346 } 11347 return false; 11348 } 11349 11350 @Override 11351 protected boolean isPackageForFilter(String packageName, 11352 PackageParser.ProviderIntentInfo info) { 11353 return packageName.equals(info.provider.owner.packageName); 11354 } 11355 11356 @Override 11357 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11358 int match, int userId) { 11359 if (!sUserManager.exists(userId)) 11360 return null; 11361 final PackageParser.ProviderIntentInfo info = filter; 11362 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11363 return null; 11364 } 11365 final PackageParser.Provider provider = info.provider; 11366 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11367 if (ps == null) { 11368 return null; 11369 } 11370 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11371 ps.readUserState(userId), userId); 11372 if (pi == null) { 11373 return null; 11374 } 11375 final ResolveInfo res = new ResolveInfo(); 11376 res.providerInfo = pi; 11377 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11378 res.filter = filter; 11379 } 11380 res.priority = info.getPriority(); 11381 res.preferredOrder = provider.owner.mPreferredOrder; 11382 res.match = match; 11383 res.isDefault = info.hasDefault; 11384 res.labelRes = info.labelRes; 11385 res.nonLocalizedLabel = info.nonLocalizedLabel; 11386 res.icon = info.icon; 11387 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11388 return res; 11389 } 11390 11391 @Override 11392 protected void sortResults(List<ResolveInfo> results) { 11393 Collections.sort(results, mResolvePrioritySorter); 11394 } 11395 11396 @Override 11397 protected void dumpFilter(PrintWriter out, String prefix, 11398 PackageParser.ProviderIntentInfo filter) { 11399 out.print(prefix); 11400 out.print( 11401 Integer.toHexString(System.identityHashCode(filter.provider))); 11402 out.print(' '); 11403 filter.provider.printComponentShortName(out); 11404 out.print(" filter "); 11405 out.println(Integer.toHexString(System.identityHashCode(filter))); 11406 } 11407 11408 @Override 11409 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11410 return filter.provider; 11411 } 11412 11413 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11414 PackageParser.Provider provider = (PackageParser.Provider)label; 11415 out.print(prefix); out.print( 11416 Integer.toHexString(System.identityHashCode(provider))); 11417 out.print(' '); 11418 provider.printComponentShortName(out); 11419 if (count > 1) { 11420 out.print(" ("); out.print(count); out.print(" filters)"); 11421 } 11422 out.println(); 11423 } 11424 11425 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11426 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11427 private int mFlags; 11428 } 11429 11430 private static final class EphemeralIntentResolver 11431 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11432 /** 11433 * The result that has the highest defined order. Ordering applies on a 11434 * per-package basis. Mapping is from package name to Pair of order and 11435 * EphemeralResolveInfo. 11436 * <p> 11437 * NOTE: This is implemented as a field variable for convenience and efficiency. 11438 * By having a field variable, we're able to track filter ordering as soon as 11439 * a non-zero order is defined. Otherwise, multiple loops across the result set 11440 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 11441 * this needs to be contained entirely within {@link #filterResults()}. 11442 */ 11443 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 11444 11445 @Override 11446 protected EphemeralResolveIntentInfo[] newArray(int size) { 11447 return new EphemeralResolveIntentInfo[size]; 11448 } 11449 11450 @Override 11451 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11452 return true; 11453 } 11454 11455 @Override 11456 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11457 int userId) { 11458 if (!sUserManager.exists(userId)) { 11459 return null; 11460 } 11461 final String packageName = info.getEphemeralResolveInfo().getPackageName(); 11462 final Integer order = info.getOrder(); 11463 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 11464 mOrderResult.get(packageName); 11465 // ordering is enabled and this item's order isn't high enough 11466 if (lastOrderResult != null && lastOrderResult.first >= order) { 11467 return null; 11468 } 11469 final EphemeralResolveInfo res = info.getEphemeralResolveInfo(); 11470 if (order > 0) { 11471 // non-zero order, enable ordering 11472 mOrderResult.put(packageName, new Pair<>(order, res)); 11473 } 11474 return res; 11475 } 11476 11477 @Override 11478 protected void filterResults(List<EphemeralResolveInfo> results) { 11479 // only do work if ordering is enabled [most of the time it won't be] 11480 if (mOrderResult.size() == 0) { 11481 return; 11482 } 11483 int resultSize = results.size(); 11484 for (int i = 0; i < resultSize; i++) { 11485 final EphemeralResolveInfo info = results.get(i); 11486 final String packageName = info.getPackageName(); 11487 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 11488 if (savedInfo == null) { 11489 // package doesn't having ordering 11490 continue; 11491 } 11492 if (savedInfo.second == info) { 11493 // circled back to the highest ordered item; remove from order list 11494 mOrderResult.remove(savedInfo); 11495 if (mOrderResult.size() == 0) { 11496 // no more ordered items 11497 break; 11498 } 11499 continue; 11500 } 11501 // item has a worse order, remove it from the result list 11502 results.remove(i); 11503 resultSize--; 11504 i--; 11505 } 11506 } 11507 } 11508 11509 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11510 new Comparator<ResolveInfo>() { 11511 public int compare(ResolveInfo r1, ResolveInfo r2) { 11512 int v1 = r1.priority; 11513 int v2 = r2.priority; 11514 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11515 if (v1 != v2) { 11516 return (v1 > v2) ? -1 : 1; 11517 } 11518 v1 = r1.preferredOrder; 11519 v2 = r2.preferredOrder; 11520 if (v1 != v2) { 11521 return (v1 > v2) ? -1 : 1; 11522 } 11523 if (r1.isDefault != r2.isDefault) { 11524 return r1.isDefault ? -1 : 1; 11525 } 11526 v1 = r1.match; 11527 v2 = r2.match; 11528 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11529 if (v1 != v2) { 11530 return (v1 > v2) ? -1 : 1; 11531 } 11532 if (r1.system != r2.system) { 11533 return r1.system ? -1 : 1; 11534 } 11535 if (r1.activityInfo != null) { 11536 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11537 } 11538 if (r1.serviceInfo != null) { 11539 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11540 } 11541 if (r1.providerInfo != null) { 11542 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11543 } 11544 return 0; 11545 } 11546 }; 11547 11548 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11549 new Comparator<ProviderInfo>() { 11550 public int compare(ProviderInfo p1, ProviderInfo p2) { 11551 final int v1 = p1.initOrder; 11552 final int v2 = p2.initOrder; 11553 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11554 } 11555 }; 11556 11557 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11558 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11559 final int[] userIds) { 11560 mHandler.post(new Runnable() { 11561 @Override 11562 public void run() { 11563 try { 11564 final IActivityManager am = ActivityManagerNative.getDefault(); 11565 if (am == null) return; 11566 final int[] resolvedUserIds; 11567 if (userIds == null) { 11568 resolvedUserIds = am.getRunningUserIds(); 11569 } else { 11570 resolvedUserIds = userIds; 11571 } 11572 for (int id : resolvedUserIds) { 11573 final Intent intent = new Intent(action, 11574 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 11575 if (extras != null) { 11576 intent.putExtras(extras); 11577 } 11578 if (targetPkg != null) { 11579 intent.setPackage(targetPkg); 11580 } 11581 // Modify the UID when posting to other users 11582 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11583 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11584 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11585 intent.putExtra(Intent.EXTRA_UID, uid); 11586 } 11587 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11588 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11589 if (DEBUG_BROADCASTS) { 11590 RuntimeException here = new RuntimeException("here"); 11591 here.fillInStackTrace(); 11592 Slog.d(TAG, "Sending to user " + id + ": " 11593 + intent.toShortString(false, true, false, false) 11594 + " " + intent.getExtras(), here); 11595 } 11596 am.broadcastIntent(null, intent, null, finishedReceiver, 11597 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11598 null, finishedReceiver != null, false, id); 11599 } 11600 } catch (RemoteException ex) { 11601 } 11602 } 11603 }); 11604 } 11605 11606 /** 11607 * Check if the external storage media is available. This is true if there 11608 * is a mounted external storage medium or if the external storage is 11609 * emulated. 11610 */ 11611 private boolean isExternalMediaAvailable() { 11612 return mMediaMounted || Environment.isExternalStorageEmulated(); 11613 } 11614 11615 @Override 11616 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11617 // writer 11618 synchronized (mPackages) { 11619 if (!isExternalMediaAvailable()) { 11620 // If the external storage is no longer mounted at this point, 11621 // the caller may not have been able to delete all of this 11622 // packages files and can not delete any more. Bail. 11623 return null; 11624 } 11625 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11626 if (lastPackage != null) { 11627 pkgs.remove(lastPackage); 11628 } 11629 if (pkgs.size() > 0) { 11630 return pkgs.get(0); 11631 } 11632 } 11633 return null; 11634 } 11635 11636 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11637 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11638 userId, andCode ? 1 : 0, packageName); 11639 if (mSystemReady) { 11640 msg.sendToTarget(); 11641 } else { 11642 if (mPostSystemReadyMessages == null) { 11643 mPostSystemReadyMessages = new ArrayList<>(); 11644 } 11645 mPostSystemReadyMessages.add(msg); 11646 } 11647 } 11648 11649 void startCleaningPackages() { 11650 // reader 11651 if (!isExternalMediaAvailable()) { 11652 return; 11653 } 11654 synchronized (mPackages) { 11655 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11656 return; 11657 } 11658 } 11659 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11660 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11661 IActivityManager am = ActivityManagerNative.getDefault(); 11662 if (am != null) { 11663 try { 11664 am.startService(null, intent, null, mContext.getOpPackageName(), 11665 UserHandle.USER_SYSTEM); 11666 } catch (RemoteException e) { 11667 } 11668 } 11669 } 11670 11671 @Override 11672 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11673 int installFlags, String installerPackageName, int userId) { 11674 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11675 11676 final int callingUid = Binder.getCallingUid(); 11677 enforceCrossUserPermission(callingUid, userId, 11678 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11679 11680 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11681 try { 11682 if (observer != null) { 11683 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11684 } 11685 } catch (RemoteException re) { 11686 } 11687 return; 11688 } 11689 11690 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11691 installFlags |= PackageManager.INSTALL_FROM_ADB; 11692 11693 } else { 11694 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11695 // about installerPackageName. 11696 11697 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11698 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11699 } 11700 11701 UserHandle user; 11702 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11703 user = UserHandle.ALL; 11704 } else { 11705 user = new UserHandle(userId); 11706 } 11707 11708 // Only system components can circumvent runtime permissions when installing. 11709 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11710 && mContext.checkCallingOrSelfPermission(Manifest.permission 11711 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11712 throw new SecurityException("You need the " 11713 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11714 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11715 } 11716 11717 final File originFile = new File(originPath); 11718 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11719 11720 final Message msg = mHandler.obtainMessage(INIT_COPY); 11721 final VerificationInfo verificationInfo = new VerificationInfo( 11722 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11723 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11724 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11725 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11726 null /*certificates*/); 11727 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11728 msg.obj = params; 11729 11730 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11731 System.identityHashCode(msg.obj)); 11732 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11733 System.identityHashCode(msg.obj)); 11734 11735 mHandler.sendMessage(msg); 11736 } 11737 11738 void installStage(String packageName, File stagedDir, String stagedCid, 11739 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11740 String installerPackageName, int installerUid, UserHandle user, 11741 Certificate[][] certificates) { 11742 if (DEBUG_EPHEMERAL) { 11743 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11744 Slog.d(TAG, "Ephemeral install of " + packageName); 11745 } 11746 } 11747 final VerificationInfo verificationInfo = new VerificationInfo( 11748 sessionParams.originatingUri, sessionParams.referrerUri, 11749 sessionParams.originatingUid, installerUid); 11750 11751 final OriginInfo origin; 11752 if (stagedDir != null) { 11753 origin = OriginInfo.fromStagedFile(stagedDir); 11754 } else { 11755 origin = OriginInfo.fromStagedContainer(stagedCid); 11756 } 11757 11758 final Message msg = mHandler.obtainMessage(INIT_COPY); 11759 final InstallParams params = new InstallParams(origin, null, observer, 11760 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11761 verificationInfo, user, sessionParams.abiOverride, 11762 sessionParams.grantedRuntimePermissions, certificates); 11763 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11764 msg.obj = params; 11765 11766 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11767 System.identityHashCode(msg.obj)); 11768 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11769 System.identityHashCode(msg.obj)); 11770 11771 mHandler.sendMessage(msg); 11772 } 11773 11774 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11775 int userId) { 11776 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11777 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11778 } 11779 11780 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11781 int appId, int userId) { 11782 Bundle extras = new Bundle(1); 11783 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11784 11785 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11786 packageName, extras, 0, null, null, new int[] {userId}); 11787 try { 11788 IActivityManager am = ActivityManagerNative.getDefault(); 11789 if (isSystem && am.isUserRunning(userId, 0)) { 11790 // The just-installed/enabled app is bundled on the system, so presumed 11791 // to be able to run automatically without needing an explicit launch. 11792 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11793 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11794 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11795 .setPackage(packageName); 11796 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11797 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11798 } 11799 } catch (RemoteException e) { 11800 // shouldn't happen 11801 Slog.w(TAG, "Unable to bootstrap installed package", e); 11802 } 11803 } 11804 11805 @Override 11806 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11807 int userId) { 11808 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11809 PackageSetting pkgSetting; 11810 final int uid = Binder.getCallingUid(); 11811 enforceCrossUserPermission(uid, userId, 11812 true /* requireFullPermission */, true /* checkShell */, 11813 "setApplicationHiddenSetting for user " + userId); 11814 11815 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11816 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11817 return false; 11818 } 11819 11820 long callingId = Binder.clearCallingIdentity(); 11821 try { 11822 boolean sendAdded = false; 11823 boolean sendRemoved = false; 11824 // writer 11825 synchronized (mPackages) { 11826 pkgSetting = mSettings.mPackages.get(packageName); 11827 if (pkgSetting == null) { 11828 return false; 11829 } 11830 // Do not allow "android" is being disabled 11831 if ("android".equals(packageName)) { 11832 Slog.w(TAG, "Cannot hide package: android"); 11833 return false; 11834 } 11835 // Only allow protected packages to hide themselves. 11836 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11837 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11838 Slog.w(TAG, "Not hiding protected package: " + packageName); 11839 return false; 11840 } 11841 11842 if (pkgSetting.getHidden(userId) != hidden) { 11843 pkgSetting.setHidden(hidden, userId); 11844 mSettings.writePackageRestrictionsLPr(userId); 11845 if (hidden) { 11846 sendRemoved = true; 11847 } else { 11848 sendAdded = true; 11849 } 11850 } 11851 } 11852 if (sendAdded) { 11853 sendPackageAddedForUser(packageName, pkgSetting, userId); 11854 return true; 11855 } 11856 if (sendRemoved) { 11857 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11858 "hiding pkg"); 11859 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11860 return true; 11861 } 11862 } finally { 11863 Binder.restoreCallingIdentity(callingId); 11864 } 11865 return false; 11866 } 11867 11868 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11869 int userId) { 11870 final PackageRemovedInfo info = new PackageRemovedInfo(); 11871 info.removedPackage = packageName; 11872 info.removedUsers = new int[] {userId}; 11873 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11874 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11875 } 11876 11877 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11878 if (pkgList.length > 0) { 11879 Bundle extras = new Bundle(1); 11880 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11881 11882 sendPackageBroadcast( 11883 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11884 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11885 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11886 new int[] {userId}); 11887 } 11888 } 11889 11890 /** 11891 * Returns true if application is not found or there was an error. Otherwise it returns 11892 * the hidden state of the package for the given user. 11893 */ 11894 @Override 11895 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11896 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11897 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11898 true /* requireFullPermission */, false /* checkShell */, 11899 "getApplicationHidden for user " + userId); 11900 PackageSetting pkgSetting; 11901 long callingId = Binder.clearCallingIdentity(); 11902 try { 11903 // writer 11904 synchronized (mPackages) { 11905 pkgSetting = mSettings.mPackages.get(packageName); 11906 if (pkgSetting == null) { 11907 return true; 11908 } 11909 return pkgSetting.getHidden(userId); 11910 } 11911 } finally { 11912 Binder.restoreCallingIdentity(callingId); 11913 } 11914 } 11915 11916 /** 11917 * @hide 11918 */ 11919 @Override 11920 public int installExistingPackageAsUser(String packageName, int userId) { 11921 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11922 null); 11923 PackageSetting pkgSetting; 11924 final int uid = Binder.getCallingUid(); 11925 enforceCrossUserPermission(uid, userId, 11926 true /* requireFullPermission */, true /* checkShell */, 11927 "installExistingPackage for user " + userId); 11928 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11929 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11930 } 11931 11932 long callingId = Binder.clearCallingIdentity(); 11933 try { 11934 boolean installed = false; 11935 11936 // writer 11937 synchronized (mPackages) { 11938 pkgSetting = mSettings.mPackages.get(packageName); 11939 if (pkgSetting == null) { 11940 return PackageManager.INSTALL_FAILED_INVALID_URI; 11941 } 11942 if (!pkgSetting.getInstalled(userId)) { 11943 pkgSetting.setInstalled(true, userId); 11944 pkgSetting.setHidden(false, userId); 11945 mSettings.writePackageRestrictionsLPr(userId); 11946 installed = true; 11947 } 11948 } 11949 11950 if (installed) { 11951 if (pkgSetting.pkg != null) { 11952 synchronized (mInstallLock) { 11953 // We don't need to freeze for a brand new install 11954 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11955 } 11956 } 11957 sendPackageAddedForUser(packageName, pkgSetting, userId); 11958 } 11959 } finally { 11960 Binder.restoreCallingIdentity(callingId); 11961 } 11962 11963 return PackageManager.INSTALL_SUCCEEDED; 11964 } 11965 11966 boolean isUserRestricted(int userId, String restrictionKey) { 11967 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11968 if (restrictions.getBoolean(restrictionKey, false)) { 11969 Log.w(TAG, "User is restricted: " + restrictionKey); 11970 return true; 11971 } 11972 return false; 11973 } 11974 11975 @Override 11976 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11977 int userId) { 11978 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11979 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11980 true /* requireFullPermission */, true /* checkShell */, 11981 "setPackagesSuspended for user " + userId); 11982 11983 if (ArrayUtils.isEmpty(packageNames)) { 11984 return packageNames; 11985 } 11986 11987 // List of package names for whom the suspended state has changed. 11988 List<String> changedPackages = new ArrayList<>(packageNames.length); 11989 // List of package names for whom the suspended state is not set as requested in this 11990 // method. 11991 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11992 long callingId = Binder.clearCallingIdentity(); 11993 try { 11994 for (int i = 0; i < packageNames.length; i++) { 11995 String packageName = packageNames[i]; 11996 boolean changed = false; 11997 final int appId; 11998 synchronized (mPackages) { 11999 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12000 if (pkgSetting == null) { 12001 Slog.w(TAG, "Could not find package setting for package \"" + packageName 12002 + "\". Skipping suspending/un-suspending."); 12003 unactionedPackages.add(packageName); 12004 continue; 12005 } 12006 appId = pkgSetting.appId; 12007 if (pkgSetting.getSuspended(userId) != suspended) { 12008 if (!canSuspendPackageForUserLocked(packageName, userId)) { 12009 unactionedPackages.add(packageName); 12010 continue; 12011 } 12012 pkgSetting.setSuspended(suspended, userId); 12013 mSettings.writePackageRestrictionsLPr(userId); 12014 changed = true; 12015 changedPackages.add(packageName); 12016 } 12017 } 12018 12019 if (changed && suspended) { 12020 killApplication(packageName, UserHandle.getUid(userId, appId), 12021 "suspending package"); 12022 } 12023 } 12024 } finally { 12025 Binder.restoreCallingIdentity(callingId); 12026 } 12027 12028 if (!changedPackages.isEmpty()) { 12029 sendPackagesSuspendedForUser(changedPackages.toArray( 12030 new String[changedPackages.size()]), userId, suspended); 12031 } 12032 12033 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 12034 } 12035 12036 @Override 12037 public boolean isPackageSuspendedForUser(String packageName, int userId) { 12038 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12039 true /* requireFullPermission */, false /* checkShell */, 12040 "isPackageSuspendedForUser for user " + userId); 12041 synchronized (mPackages) { 12042 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12043 if (pkgSetting == null) { 12044 throw new IllegalArgumentException("Unknown target package: " + packageName); 12045 } 12046 return pkgSetting.getSuspended(userId); 12047 } 12048 } 12049 12050 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 12051 if (isPackageDeviceAdmin(packageName, userId)) { 12052 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12053 + "\": has an active device admin"); 12054 return false; 12055 } 12056 12057 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 12058 if (packageName.equals(activeLauncherPackageName)) { 12059 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12060 + "\": contains the active launcher"); 12061 return false; 12062 } 12063 12064 if (packageName.equals(mRequiredInstallerPackage)) { 12065 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12066 + "\": required for package installation"); 12067 return false; 12068 } 12069 12070 if (packageName.equals(mRequiredUninstallerPackage)) { 12071 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12072 + "\": required for package uninstallation"); 12073 return false; 12074 } 12075 12076 if (packageName.equals(mRequiredVerifierPackage)) { 12077 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12078 + "\": required for package verification"); 12079 return false; 12080 } 12081 12082 if (packageName.equals(getDefaultDialerPackageName(userId))) { 12083 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12084 + "\": is the default dialer"); 12085 return false; 12086 } 12087 12088 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12089 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12090 + "\": protected package"); 12091 return false; 12092 } 12093 12094 return true; 12095 } 12096 12097 private String getActiveLauncherPackageName(int userId) { 12098 Intent intent = new Intent(Intent.ACTION_MAIN); 12099 intent.addCategory(Intent.CATEGORY_HOME); 12100 ResolveInfo resolveInfo = resolveIntent( 12101 intent, 12102 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 12103 PackageManager.MATCH_DEFAULT_ONLY, 12104 userId); 12105 12106 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 12107 } 12108 12109 private String getDefaultDialerPackageName(int userId) { 12110 synchronized (mPackages) { 12111 return mSettings.getDefaultDialerPackageNameLPw(userId); 12112 } 12113 } 12114 12115 @Override 12116 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 12117 mContext.enforceCallingOrSelfPermission( 12118 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12119 "Only package verification agents can verify applications"); 12120 12121 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12122 final PackageVerificationResponse response = new PackageVerificationResponse( 12123 verificationCode, Binder.getCallingUid()); 12124 msg.arg1 = id; 12125 msg.obj = response; 12126 mHandler.sendMessage(msg); 12127 } 12128 12129 @Override 12130 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 12131 long millisecondsToDelay) { 12132 mContext.enforceCallingOrSelfPermission( 12133 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12134 "Only package verification agents can extend verification timeouts"); 12135 12136 final PackageVerificationState state = mPendingVerification.get(id); 12137 final PackageVerificationResponse response = new PackageVerificationResponse( 12138 verificationCodeAtTimeout, Binder.getCallingUid()); 12139 12140 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12141 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12142 } 12143 if (millisecondsToDelay < 0) { 12144 millisecondsToDelay = 0; 12145 } 12146 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12147 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12148 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12149 } 12150 12151 if ((state != null) && !state.timeoutExtended()) { 12152 state.extendTimeout(); 12153 12154 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12155 msg.arg1 = id; 12156 msg.obj = response; 12157 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12158 } 12159 } 12160 12161 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12162 int verificationCode, UserHandle user) { 12163 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12164 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12165 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12166 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12167 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12168 12169 mContext.sendBroadcastAsUser(intent, user, 12170 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12171 } 12172 12173 private ComponentName matchComponentForVerifier(String packageName, 12174 List<ResolveInfo> receivers) { 12175 ActivityInfo targetReceiver = null; 12176 12177 final int NR = receivers.size(); 12178 for (int i = 0; i < NR; i++) { 12179 final ResolveInfo info = receivers.get(i); 12180 if (info.activityInfo == null) { 12181 continue; 12182 } 12183 12184 if (packageName.equals(info.activityInfo.packageName)) { 12185 targetReceiver = info.activityInfo; 12186 break; 12187 } 12188 } 12189 12190 if (targetReceiver == null) { 12191 return null; 12192 } 12193 12194 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12195 } 12196 12197 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12198 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12199 if (pkgInfo.verifiers.length == 0) { 12200 return null; 12201 } 12202 12203 final int N = pkgInfo.verifiers.length; 12204 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12205 for (int i = 0; i < N; i++) { 12206 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12207 12208 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12209 receivers); 12210 if (comp == null) { 12211 continue; 12212 } 12213 12214 final int verifierUid = getUidForVerifier(verifierInfo); 12215 if (verifierUid == -1) { 12216 continue; 12217 } 12218 12219 if (DEBUG_VERIFY) { 12220 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12221 + " with the correct signature"); 12222 } 12223 sufficientVerifiers.add(comp); 12224 verificationState.addSufficientVerifier(verifierUid); 12225 } 12226 12227 return sufficientVerifiers; 12228 } 12229 12230 private int getUidForVerifier(VerifierInfo verifierInfo) { 12231 synchronized (mPackages) { 12232 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12233 if (pkg == null) { 12234 return -1; 12235 } else if (pkg.mSignatures.length != 1) { 12236 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12237 + " has more than one signature; ignoring"); 12238 return -1; 12239 } 12240 12241 /* 12242 * If the public key of the package's signature does not match 12243 * our expected public key, then this is a different package and 12244 * we should skip. 12245 */ 12246 12247 final byte[] expectedPublicKey; 12248 try { 12249 final Signature verifierSig = pkg.mSignatures[0]; 12250 final PublicKey publicKey = verifierSig.getPublicKey(); 12251 expectedPublicKey = publicKey.getEncoded(); 12252 } catch (CertificateException e) { 12253 return -1; 12254 } 12255 12256 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12257 12258 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12259 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12260 + " does not have the expected public key; ignoring"); 12261 return -1; 12262 } 12263 12264 return pkg.applicationInfo.uid; 12265 } 12266 } 12267 12268 @Override 12269 public void finishPackageInstall(int token, boolean didLaunch) { 12270 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12271 12272 if (DEBUG_INSTALL) { 12273 Slog.v(TAG, "BM finishing package install for " + token); 12274 } 12275 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12276 12277 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12278 mHandler.sendMessage(msg); 12279 } 12280 12281 /** 12282 * Get the verification agent timeout. 12283 * 12284 * @return verification timeout in milliseconds 12285 */ 12286 private long getVerificationTimeout() { 12287 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12288 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12289 DEFAULT_VERIFICATION_TIMEOUT); 12290 } 12291 12292 /** 12293 * Get the default verification agent response code. 12294 * 12295 * @return default verification response code 12296 */ 12297 private int getDefaultVerificationResponse() { 12298 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12299 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12300 DEFAULT_VERIFICATION_RESPONSE); 12301 } 12302 12303 /** 12304 * Check whether or not package verification has been enabled. 12305 * 12306 * @return true if verification should be performed 12307 */ 12308 private boolean isVerificationEnabled(int userId, int installFlags) { 12309 if (!DEFAULT_VERIFY_ENABLE) { 12310 return false; 12311 } 12312 // Ephemeral apps don't get the full verification treatment 12313 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12314 if (DEBUG_EPHEMERAL) { 12315 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12316 } 12317 return false; 12318 } 12319 12320 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12321 12322 // Check if installing from ADB 12323 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12324 // Do not run verification in a test harness environment 12325 if (ActivityManager.isRunningInTestHarness()) { 12326 return false; 12327 } 12328 if (ensureVerifyAppsEnabled) { 12329 return true; 12330 } 12331 // Check if the developer does not want package verification for ADB installs 12332 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12333 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12334 return false; 12335 } 12336 } 12337 12338 if (ensureVerifyAppsEnabled) { 12339 return true; 12340 } 12341 12342 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12343 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12344 } 12345 12346 @Override 12347 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12348 throws RemoteException { 12349 mContext.enforceCallingOrSelfPermission( 12350 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12351 "Only intentfilter verification agents can verify applications"); 12352 12353 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12354 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12355 Binder.getCallingUid(), verificationCode, failedDomains); 12356 msg.arg1 = id; 12357 msg.obj = response; 12358 mHandler.sendMessage(msg); 12359 } 12360 12361 @Override 12362 public int getIntentVerificationStatus(String packageName, int userId) { 12363 synchronized (mPackages) { 12364 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12365 } 12366 } 12367 12368 @Override 12369 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12370 mContext.enforceCallingOrSelfPermission( 12371 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12372 12373 boolean result = false; 12374 synchronized (mPackages) { 12375 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12376 } 12377 if (result) { 12378 scheduleWritePackageRestrictionsLocked(userId); 12379 } 12380 return result; 12381 } 12382 12383 @Override 12384 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12385 String packageName) { 12386 synchronized (mPackages) { 12387 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12388 } 12389 } 12390 12391 @Override 12392 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12393 if (TextUtils.isEmpty(packageName)) { 12394 return ParceledListSlice.emptyList(); 12395 } 12396 synchronized (mPackages) { 12397 PackageParser.Package pkg = mPackages.get(packageName); 12398 if (pkg == null || pkg.activities == null) { 12399 return ParceledListSlice.emptyList(); 12400 } 12401 final int count = pkg.activities.size(); 12402 ArrayList<IntentFilter> result = new ArrayList<>(); 12403 for (int n=0; n<count; n++) { 12404 PackageParser.Activity activity = pkg.activities.get(n); 12405 if (activity.intents != null && activity.intents.size() > 0) { 12406 result.addAll(activity.intents); 12407 } 12408 } 12409 return new ParceledListSlice<>(result); 12410 } 12411 } 12412 12413 @Override 12414 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12415 mContext.enforceCallingOrSelfPermission( 12416 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12417 12418 synchronized (mPackages) { 12419 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12420 if (packageName != null) { 12421 result |= updateIntentVerificationStatus(packageName, 12422 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12423 userId); 12424 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12425 packageName, userId); 12426 } 12427 return result; 12428 } 12429 } 12430 12431 @Override 12432 public String getDefaultBrowserPackageName(int userId) { 12433 synchronized (mPackages) { 12434 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12435 } 12436 } 12437 12438 /** 12439 * Get the "allow unknown sources" setting. 12440 * 12441 * @return the current "allow unknown sources" setting 12442 */ 12443 private int getUnknownSourcesSettings() { 12444 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12445 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12446 -1); 12447 } 12448 12449 @Override 12450 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12451 final int uid = Binder.getCallingUid(); 12452 // writer 12453 synchronized (mPackages) { 12454 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12455 if (targetPackageSetting == null) { 12456 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12457 } 12458 12459 PackageSetting installerPackageSetting; 12460 if (installerPackageName != null) { 12461 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12462 if (installerPackageSetting == null) { 12463 throw new IllegalArgumentException("Unknown installer package: " 12464 + installerPackageName); 12465 } 12466 } else { 12467 installerPackageSetting = null; 12468 } 12469 12470 Signature[] callerSignature; 12471 Object obj = mSettings.getUserIdLPr(uid); 12472 if (obj != null) { 12473 if (obj instanceof SharedUserSetting) { 12474 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12475 } else if (obj instanceof PackageSetting) { 12476 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12477 } else { 12478 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12479 } 12480 } else { 12481 throw new SecurityException("Unknown calling UID: " + uid); 12482 } 12483 12484 // Verify: can't set installerPackageName to a package that is 12485 // not signed with the same cert as the caller. 12486 if (installerPackageSetting != null) { 12487 if (compareSignatures(callerSignature, 12488 installerPackageSetting.signatures.mSignatures) 12489 != PackageManager.SIGNATURE_MATCH) { 12490 throw new SecurityException( 12491 "Caller does not have same cert as new installer package " 12492 + installerPackageName); 12493 } 12494 } 12495 12496 // Verify: if target already has an installer package, it must 12497 // be signed with the same cert as the caller. 12498 if (targetPackageSetting.installerPackageName != null) { 12499 PackageSetting setting = mSettings.mPackages.get( 12500 targetPackageSetting.installerPackageName); 12501 // If the currently set package isn't valid, then it's always 12502 // okay to change it. 12503 if (setting != null) { 12504 if (compareSignatures(callerSignature, 12505 setting.signatures.mSignatures) 12506 != PackageManager.SIGNATURE_MATCH) { 12507 throw new SecurityException( 12508 "Caller does not have same cert as old installer package " 12509 + targetPackageSetting.installerPackageName); 12510 } 12511 } 12512 } 12513 12514 // Okay! 12515 targetPackageSetting.installerPackageName = installerPackageName; 12516 if (installerPackageName != null) { 12517 mSettings.mInstallerPackages.add(installerPackageName); 12518 } 12519 scheduleWriteSettingsLocked(); 12520 } 12521 } 12522 12523 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12524 // Queue up an async operation since the package installation may take a little while. 12525 mHandler.post(new Runnable() { 12526 public void run() { 12527 mHandler.removeCallbacks(this); 12528 // Result object to be returned 12529 PackageInstalledInfo res = new PackageInstalledInfo(); 12530 res.setReturnCode(currentStatus); 12531 res.uid = -1; 12532 res.pkg = null; 12533 res.removedInfo = null; 12534 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12535 args.doPreInstall(res.returnCode); 12536 synchronized (mInstallLock) { 12537 installPackageTracedLI(args, res); 12538 } 12539 args.doPostInstall(res.returnCode, res.uid); 12540 } 12541 12542 // A restore should be performed at this point if (a) the install 12543 // succeeded, (b) the operation is not an update, and (c) the new 12544 // package has not opted out of backup participation. 12545 final boolean update = res.removedInfo != null 12546 && res.removedInfo.removedPackage != null; 12547 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12548 boolean doRestore = !update 12549 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12550 12551 // Set up the post-install work request bookkeeping. This will be used 12552 // and cleaned up by the post-install event handling regardless of whether 12553 // there's a restore pass performed. Token values are >= 1. 12554 int token; 12555 if (mNextInstallToken < 0) mNextInstallToken = 1; 12556 token = mNextInstallToken++; 12557 12558 PostInstallData data = new PostInstallData(args, res); 12559 mRunningInstalls.put(token, data); 12560 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12561 12562 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12563 // Pass responsibility to the Backup Manager. It will perform a 12564 // restore if appropriate, then pass responsibility back to the 12565 // Package Manager to run the post-install observer callbacks 12566 // and broadcasts. 12567 IBackupManager bm = IBackupManager.Stub.asInterface( 12568 ServiceManager.getService(Context.BACKUP_SERVICE)); 12569 if (bm != null) { 12570 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12571 + " to BM for possible restore"); 12572 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12573 try { 12574 // TODO: http://b/22388012 12575 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12576 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12577 } else { 12578 doRestore = false; 12579 } 12580 } catch (RemoteException e) { 12581 // can't happen; the backup manager is local 12582 } catch (Exception e) { 12583 Slog.e(TAG, "Exception trying to enqueue restore", e); 12584 doRestore = false; 12585 } 12586 } else { 12587 Slog.e(TAG, "Backup Manager not found!"); 12588 doRestore = false; 12589 } 12590 } 12591 12592 if (!doRestore) { 12593 // No restore possible, or the Backup Manager was mysteriously not 12594 // available -- just fire the post-install work request directly. 12595 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12596 12597 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12598 12599 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12600 mHandler.sendMessage(msg); 12601 } 12602 } 12603 }); 12604 } 12605 12606 /** 12607 * Callback from PackageSettings whenever an app is first transitioned out of the 12608 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12609 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12610 * here whether the app is the target of an ongoing install, and only send the 12611 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12612 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12613 * handling. 12614 */ 12615 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12616 // Serialize this with the rest of the install-process message chain. In the 12617 // restore-at-install case, this Runnable will necessarily run before the 12618 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12619 // are coherent. In the non-restore case, the app has already completed install 12620 // and been launched through some other means, so it is not in a problematic 12621 // state for observers to see the FIRST_LAUNCH signal. 12622 mHandler.post(new Runnable() { 12623 @Override 12624 public void run() { 12625 for (int i = 0; i < mRunningInstalls.size(); i++) { 12626 final PostInstallData data = mRunningInstalls.valueAt(i); 12627 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12628 continue; 12629 } 12630 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12631 // right package; but is it for the right user? 12632 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12633 if (userId == data.res.newUsers[uIndex]) { 12634 if (DEBUG_BACKUP) { 12635 Slog.i(TAG, "Package " + pkgName 12636 + " being restored so deferring FIRST_LAUNCH"); 12637 } 12638 return; 12639 } 12640 } 12641 } 12642 } 12643 // didn't find it, so not being restored 12644 if (DEBUG_BACKUP) { 12645 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12646 } 12647 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12648 } 12649 }); 12650 } 12651 12652 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12653 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12654 installerPkg, null, userIds); 12655 } 12656 12657 private abstract class HandlerParams { 12658 private static final int MAX_RETRIES = 4; 12659 12660 /** 12661 * Number of times startCopy() has been attempted and had a non-fatal 12662 * error. 12663 */ 12664 private int mRetries = 0; 12665 12666 /** User handle for the user requesting the information or installation. */ 12667 private final UserHandle mUser; 12668 String traceMethod; 12669 int traceCookie; 12670 12671 HandlerParams(UserHandle user) { 12672 mUser = user; 12673 } 12674 12675 UserHandle getUser() { 12676 return mUser; 12677 } 12678 12679 HandlerParams setTraceMethod(String traceMethod) { 12680 this.traceMethod = traceMethod; 12681 return this; 12682 } 12683 12684 HandlerParams setTraceCookie(int traceCookie) { 12685 this.traceCookie = traceCookie; 12686 return this; 12687 } 12688 12689 final boolean startCopy() { 12690 boolean res; 12691 try { 12692 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12693 12694 if (++mRetries > MAX_RETRIES) { 12695 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12696 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12697 handleServiceError(); 12698 return false; 12699 } else { 12700 handleStartCopy(); 12701 res = true; 12702 } 12703 } catch (RemoteException e) { 12704 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12705 mHandler.sendEmptyMessage(MCS_RECONNECT); 12706 res = false; 12707 } 12708 handleReturnCode(); 12709 return res; 12710 } 12711 12712 final void serviceError() { 12713 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12714 handleServiceError(); 12715 handleReturnCode(); 12716 } 12717 12718 abstract void handleStartCopy() throws RemoteException; 12719 abstract void handleServiceError(); 12720 abstract void handleReturnCode(); 12721 } 12722 12723 class MeasureParams extends HandlerParams { 12724 private final PackageStats mStats; 12725 private boolean mSuccess; 12726 12727 private final IPackageStatsObserver mObserver; 12728 12729 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12730 super(new UserHandle(stats.userHandle)); 12731 mObserver = observer; 12732 mStats = stats; 12733 } 12734 12735 @Override 12736 public String toString() { 12737 return "MeasureParams{" 12738 + Integer.toHexString(System.identityHashCode(this)) 12739 + " " + mStats.packageName + "}"; 12740 } 12741 12742 @Override 12743 void handleStartCopy() throws RemoteException { 12744 synchronized (mInstallLock) { 12745 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12746 } 12747 12748 if (mSuccess) { 12749 boolean mounted = false; 12750 try { 12751 final String status = Environment.getExternalStorageState(); 12752 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12753 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12754 } catch (Exception e) { 12755 } 12756 12757 if (mounted) { 12758 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12759 12760 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12761 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12762 12763 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12764 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12765 12766 // Always subtract cache size, since it's a subdirectory 12767 mStats.externalDataSize -= mStats.externalCacheSize; 12768 12769 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12770 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12771 12772 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12773 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12774 } 12775 } 12776 } 12777 12778 @Override 12779 void handleReturnCode() { 12780 if (mObserver != null) { 12781 try { 12782 mObserver.onGetStatsCompleted(mStats, mSuccess); 12783 } catch (RemoteException e) { 12784 Slog.i(TAG, "Observer no longer exists."); 12785 } 12786 } 12787 } 12788 12789 @Override 12790 void handleServiceError() { 12791 Slog.e(TAG, "Could not measure application " + mStats.packageName 12792 + " external storage"); 12793 } 12794 } 12795 12796 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12797 throws RemoteException { 12798 long result = 0; 12799 for (File path : paths) { 12800 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12801 } 12802 return result; 12803 } 12804 12805 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12806 for (File path : paths) { 12807 try { 12808 mcs.clearDirectory(path.getAbsolutePath()); 12809 } catch (RemoteException e) { 12810 } 12811 } 12812 } 12813 12814 static class OriginInfo { 12815 /** 12816 * Location where install is coming from, before it has been 12817 * copied/renamed into place. This could be a single monolithic APK 12818 * file, or a cluster directory. This location may be untrusted. 12819 */ 12820 final File file; 12821 final String cid; 12822 12823 /** 12824 * Flag indicating that {@link #file} or {@link #cid} has already been 12825 * staged, meaning downstream users don't need to defensively copy the 12826 * contents. 12827 */ 12828 final boolean staged; 12829 12830 /** 12831 * Flag indicating that {@link #file} or {@link #cid} is an already 12832 * installed app that is being moved. 12833 */ 12834 final boolean existing; 12835 12836 final String resolvedPath; 12837 final File resolvedFile; 12838 12839 static OriginInfo fromNothing() { 12840 return new OriginInfo(null, null, false, false); 12841 } 12842 12843 static OriginInfo fromUntrustedFile(File file) { 12844 return new OriginInfo(file, null, false, false); 12845 } 12846 12847 static OriginInfo fromExistingFile(File file) { 12848 return new OriginInfo(file, null, false, true); 12849 } 12850 12851 static OriginInfo fromStagedFile(File file) { 12852 return new OriginInfo(file, null, true, false); 12853 } 12854 12855 static OriginInfo fromStagedContainer(String cid) { 12856 return new OriginInfo(null, cid, true, false); 12857 } 12858 12859 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12860 this.file = file; 12861 this.cid = cid; 12862 this.staged = staged; 12863 this.existing = existing; 12864 12865 if (cid != null) { 12866 resolvedPath = PackageHelper.getSdDir(cid); 12867 resolvedFile = new File(resolvedPath); 12868 } else if (file != null) { 12869 resolvedPath = file.getAbsolutePath(); 12870 resolvedFile = file; 12871 } else { 12872 resolvedPath = null; 12873 resolvedFile = null; 12874 } 12875 } 12876 } 12877 12878 static class MoveInfo { 12879 final int moveId; 12880 final String fromUuid; 12881 final String toUuid; 12882 final String packageName; 12883 final String dataAppName; 12884 final int appId; 12885 final String seinfo; 12886 final int targetSdkVersion; 12887 12888 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12889 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12890 this.moveId = moveId; 12891 this.fromUuid = fromUuid; 12892 this.toUuid = toUuid; 12893 this.packageName = packageName; 12894 this.dataAppName = dataAppName; 12895 this.appId = appId; 12896 this.seinfo = seinfo; 12897 this.targetSdkVersion = targetSdkVersion; 12898 } 12899 } 12900 12901 static class VerificationInfo { 12902 /** A constant used to indicate that a uid value is not present. */ 12903 public static final int NO_UID = -1; 12904 12905 /** URI referencing where the package was downloaded from. */ 12906 final Uri originatingUri; 12907 12908 /** HTTP referrer URI associated with the originatingURI. */ 12909 final Uri referrer; 12910 12911 /** UID of the application that the install request originated from. */ 12912 final int originatingUid; 12913 12914 /** UID of application requesting the install */ 12915 final int installerUid; 12916 12917 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12918 this.originatingUri = originatingUri; 12919 this.referrer = referrer; 12920 this.originatingUid = originatingUid; 12921 this.installerUid = installerUid; 12922 } 12923 } 12924 12925 class InstallParams extends HandlerParams { 12926 final OriginInfo origin; 12927 final MoveInfo move; 12928 final IPackageInstallObserver2 observer; 12929 int installFlags; 12930 final String installerPackageName; 12931 final String volumeUuid; 12932 private InstallArgs mArgs; 12933 private int mRet; 12934 final String packageAbiOverride; 12935 final String[] grantedRuntimePermissions; 12936 final VerificationInfo verificationInfo; 12937 final Certificate[][] certificates; 12938 12939 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12940 int installFlags, String installerPackageName, String volumeUuid, 12941 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12942 String[] grantedPermissions, Certificate[][] certificates) { 12943 super(user); 12944 this.origin = origin; 12945 this.move = move; 12946 this.observer = observer; 12947 this.installFlags = installFlags; 12948 this.installerPackageName = installerPackageName; 12949 this.volumeUuid = volumeUuid; 12950 this.verificationInfo = verificationInfo; 12951 this.packageAbiOverride = packageAbiOverride; 12952 this.grantedRuntimePermissions = grantedPermissions; 12953 this.certificates = certificates; 12954 } 12955 12956 @Override 12957 public String toString() { 12958 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12959 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12960 } 12961 12962 private int installLocationPolicy(PackageInfoLite pkgLite) { 12963 String packageName = pkgLite.packageName; 12964 int installLocation = pkgLite.installLocation; 12965 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12966 // reader 12967 synchronized (mPackages) { 12968 // Currently installed package which the new package is attempting to replace or 12969 // null if no such package is installed. 12970 PackageParser.Package installedPkg = mPackages.get(packageName); 12971 // Package which currently owns the data which the new package will own if installed. 12972 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12973 // will be null whereas dataOwnerPkg will contain information about the package 12974 // which was uninstalled while keeping its data. 12975 PackageParser.Package dataOwnerPkg = installedPkg; 12976 if (dataOwnerPkg == null) { 12977 PackageSetting ps = mSettings.mPackages.get(packageName); 12978 if (ps != null) { 12979 dataOwnerPkg = ps.pkg; 12980 } 12981 } 12982 12983 if (dataOwnerPkg != null) { 12984 // If installed, the package will get access to data left on the device by its 12985 // predecessor. As a security measure, this is permited only if this is not a 12986 // version downgrade or if the predecessor package is marked as debuggable and 12987 // a downgrade is explicitly requested. 12988 // 12989 // On debuggable platform builds, downgrades are permitted even for 12990 // non-debuggable packages to make testing easier. Debuggable platform builds do 12991 // not offer security guarantees and thus it's OK to disable some security 12992 // mechanisms to make debugging/testing easier on those builds. However, even on 12993 // debuggable builds downgrades of packages are permitted only if requested via 12994 // installFlags. This is because we aim to keep the behavior of debuggable 12995 // platform builds as close as possible to the behavior of non-debuggable 12996 // platform builds. 12997 final boolean downgradeRequested = 12998 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12999 final boolean packageDebuggable = 13000 (dataOwnerPkg.applicationInfo.flags 13001 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 13002 final boolean downgradePermitted = 13003 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 13004 if (!downgradePermitted) { 13005 try { 13006 checkDowngrade(dataOwnerPkg, pkgLite); 13007 } catch (PackageManagerException e) { 13008 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 13009 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 13010 } 13011 } 13012 } 13013 13014 if (installedPkg != null) { 13015 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13016 // Check for updated system application. 13017 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13018 if (onSd) { 13019 Slog.w(TAG, "Cannot install update to system app on sdcard"); 13020 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 13021 } 13022 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13023 } else { 13024 if (onSd) { 13025 // Install flag overrides everything. 13026 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13027 } 13028 // If current upgrade specifies particular preference 13029 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 13030 // Application explicitly specified internal. 13031 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13032 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 13033 // App explictly prefers external. Let policy decide 13034 } else { 13035 // Prefer previous location 13036 if (isExternal(installedPkg)) { 13037 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13038 } 13039 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13040 } 13041 } 13042 } else { 13043 // Invalid install. Return error code 13044 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 13045 } 13046 } 13047 } 13048 // All the special cases have been taken care of. 13049 // Return result based on recommended install location. 13050 if (onSd) { 13051 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13052 } 13053 return pkgLite.recommendedInstallLocation; 13054 } 13055 13056 /* 13057 * Invoke remote method to get package information and install 13058 * location values. Override install location based on default 13059 * policy if needed and then create install arguments based 13060 * on the install location. 13061 */ 13062 public void handleStartCopy() throws RemoteException { 13063 int ret = PackageManager.INSTALL_SUCCEEDED; 13064 13065 // If we're already staged, we've firmly committed to an install location 13066 if (origin.staged) { 13067 if (origin.file != null) { 13068 installFlags |= PackageManager.INSTALL_INTERNAL; 13069 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13070 } else if (origin.cid != null) { 13071 installFlags |= PackageManager.INSTALL_EXTERNAL; 13072 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13073 } else { 13074 throw new IllegalStateException("Invalid stage location"); 13075 } 13076 } 13077 13078 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13079 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 13080 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13081 PackageInfoLite pkgLite = null; 13082 13083 if (onInt && onSd) { 13084 // Check if both bits are set. 13085 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 13086 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13087 } else if (onSd && ephemeral) { 13088 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 13089 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13090 } else { 13091 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 13092 packageAbiOverride); 13093 13094 if (DEBUG_EPHEMERAL && ephemeral) { 13095 Slog.v(TAG, "pkgLite for install: " + pkgLite); 13096 } 13097 13098 /* 13099 * If we have too little free space, try to free cache 13100 * before giving up. 13101 */ 13102 if (!origin.staged && pkgLite.recommendedInstallLocation 13103 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13104 // TODO: focus freeing disk space on the target device 13105 final StorageManager storage = StorageManager.from(mContext); 13106 final long lowThreshold = storage.getStorageLowBytes( 13107 Environment.getDataDirectory()); 13108 13109 final long sizeBytes = mContainerService.calculateInstalledSize( 13110 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 13111 13112 try { 13113 mInstaller.freeCache(null, sizeBytes + lowThreshold); 13114 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 13115 installFlags, packageAbiOverride); 13116 } catch (InstallerException e) { 13117 Slog.w(TAG, "Failed to free cache", e); 13118 } 13119 13120 /* 13121 * The cache free must have deleted the file we 13122 * downloaded to install. 13123 * 13124 * TODO: fix the "freeCache" call to not delete 13125 * the file we care about. 13126 */ 13127 if (pkgLite.recommendedInstallLocation 13128 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13129 pkgLite.recommendedInstallLocation 13130 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 13131 } 13132 } 13133 } 13134 13135 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13136 int loc = pkgLite.recommendedInstallLocation; 13137 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 13138 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13139 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 13140 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13141 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13142 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13143 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13144 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13145 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13146 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13147 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13148 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13149 } else { 13150 // Override with defaults if needed. 13151 loc = installLocationPolicy(pkgLite); 13152 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13153 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13154 } else if (!onSd && !onInt) { 13155 // Override install location with flags 13156 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13157 // Set the flag to install on external media. 13158 installFlags |= PackageManager.INSTALL_EXTERNAL; 13159 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13160 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13161 if (DEBUG_EPHEMERAL) { 13162 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13163 } 13164 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13165 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13166 |PackageManager.INSTALL_INTERNAL); 13167 } else { 13168 // Make sure the flag for installing on external 13169 // media is unset 13170 installFlags |= PackageManager.INSTALL_INTERNAL; 13171 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13172 } 13173 } 13174 } 13175 } 13176 13177 final InstallArgs args = createInstallArgs(this); 13178 mArgs = args; 13179 13180 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13181 // TODO: http://b/22976637 13182 // Apps installed for "all" users use the device owner to verify the app 13183 UserHandle verifierUser = getUser(); 13184 if (verifierUser == UserHandle.ALL) { 13185 verifierUser = UserHandle.SYSTEM; 13186 } 13187 13188 /* 13189 * Determine if we have any installed package verifiers. If we 13190 * do, then we'll defer to them to verify the packages. 13191 */ 13192 final int requiredUid = mRequiredVerifierPackage == null ? -1 13193 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13194 verifierUser.getIdentifier()); 13195 if (!origin.existing && requiredUid != -1 13196 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13197 final Intent verification = new Intent( 13198 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13199 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13200 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13201 PACKAGE_MIME_TYPE); 13202 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13203 13204 // Query all live verifiers based on current user state 13205 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13206 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13207 13208 if (DEBUG_VERIFY) { 13209 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13210 + verification.toString() + " with " + pkgLite.verifiers.length 13211 + " optional verifiers"); 13212 } 13213 13214 final int verificationId = mPendingVerificationToken++; 13215 13216 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13217 13218 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13219 installerPackageName); 13220 13221 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13222 installFlags); 13223 13224 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13225 pkgLite.packageName); 13226 13227 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13228 pkgLite.versionCode); 13229 13230 if (verificationInfo != null) { 13231 if (verificationInfo.originatingUri != null) { 13232 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13233 verificationInfo.originatingUri); 13234 } 13235 if (verificationInfo.referrer != null) { 13236 verification.putExtra(Intent.EXTRA_REFERRER, 13237 verificationInfo.referrer); 13238 } 13239 if (verificationInfo.originatingUid >= 0) { 13240 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13241 verificationInfo.originatingUid); 13242 } 13243 if (verificationInfo.installerUid >= 0) { 13244 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13245 verificationInfo.installerUid); 13246 } 13247 } 13248 13249 final PackageVerificationState verificationState = new PackageVerificationState( 13250 requiredUid, args); 13251 13252 mPendingVerification.append(verificationId, verificationState); 13253 13254 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13255 receivers, verificationState); 13256 13257 /* 13258 * If any sufficient verifiers were listed in the package 13259 * manifest, attempt to ask them. 13260 */ 13261 if (sufficientVerifiers != null) { 13262 final int N = sufficientVerifiers.size(); 13263 if (N == 0) { 13264 Slog.i(TAG, "Additional verifiers required, but none installed."); 13265 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13266 } else { 13267 for (int i = 0; i < N; i++) { 13268 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13269 13270 final Intent sufficientIntent = new Intent(verification); 13271 sufficientIntent.setComponent(verifierComponent); 13272 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13273 } 13274 } 13275 } 13276 13277 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13278 mRequiredVerifierPackage, receivers); 13279 if (ret == PackageManager.INSTALL_SUCCEEDED 13280 && mRequiredVerifierPackage != null) { 13281 Trace.asyncTraceBegin( 13282 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13283 /* 13284 * Send the intent to the required verification agent, 13285 * but only start the verification timeout after the 13286 * target BroadcastReceivers have run. 13287 */ 13288 verification.setComponent(requiredVerifierComponent); 13289 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13290 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13291 new BroadcastReceiver() { 13292 @Override 13293 public void onReceive(Context context, Intent intent) { 13294 final Message msg = mHandler 13295 .obtainMessage(CHECK_PENDING_VERIFICATION); 13296 msg.arg1 = verificationId; 13297 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13298 } 13299 }, null, 0, null, null); 13300 13301 /* 13302 * We don't want the copy to proceed until verification 13303 * succeeds, so null out this field. 13304 */ 13305 mArgs = null; 13306 } 13307 } else { 13308 /* 13309 * No package verification is enabled, so immediately start 13310 * the remote call to initiate copy using temporary file. 13311 */ 13312 ret = args.copyApk(mContainerService, true); 13313 } 13314 } 13315 13316 mRet = ret; 13317 } 13318 13319 @Override 13320 void handleReturnCode() { 13321 // If mArgs is null, then MCS couldn't be reached. When it 13322 // reconnects, it will try again to install. At that point, this 13323 // will succeed. 13324 if (mArgs != null) { 13325 processPendingInstall(mArgs, mRet); 13326 } 13327 } 13328 13329 @Override 13330 void handleServiceError() { 13331 mArgs = createInstallArgs(this); 13332 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13333 } 13334 13335 public boolean isForwardLocked() { 13336 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13337 } 13338 } 13339 13340 /** 13341 * Used during creation of InstallArgs 13342 * 13343 * @param installFlags package installation flags 13344 * @return true if should be installed on external storage 13345 */ 13346 private static boolean installOnExternalAsec(int installFlags) { 13347 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13348 return false; 13349 } 13350 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13351 return true; 13352 } 13353 return false; 13354 } 13355 13356 /** 13357 * Used during creation of InstallArgs 13358 * 13359 * @param installFlags package installation flags 13360 * @return true if should be installed as forward locked 13361 */ 13362 private static boolean installForwardLocked(int installFlags) { 13363 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13364 } 13365 13366 private InstallArgs createInstallArgs(InstallParams params) { 13367 if (params.move != null) { 13368 return new MoveInstallArgs(params); 13369 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13370 return new AsecInstallArgs(params); 13371 } else { 13372 return new FileInstallArgs(params); 13373 } 13374 } 13375 13376 /** 13377 * Create args that describe an existing installed package. Typically used 13378 * when cleaning up old installs, or used as a move source. 13379 */ 13380 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13381 String resourcePath, String[] instructionSets) { 13382 final boolean isInAsec; 13383 if (installOnExternalAsec(installFlags)) { 13384 /* Apps on SD card are always in ASEC containers. */ 13385 isInAsec = true; 13386 } else if (installForwardLocked(installFlags) 13387 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13388 /* 13389 * Forward-locked apps are only in ASEC containers if they're the 13390 * new style 13391 */ 13392 isInAsec = true; 13393 } else { 13394 isInAsec = false; 13395 } 13396 13397 if (isInAsec) { 13398 return new AsecInstallArgs(codePath, instructionSets, 13399 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13400 } else { 13401 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13402 } 13403 } 13404 13405 static abstract class InstallArgs { 13406 /** @see InstallParams#origin */ 13407 final OriginInfo origin; 13408 /** @see InstallParams#move */ 13409 final MoveInfo move; 13410 13411 final IPackageInstallObserver2 observer; 13412 // Always refers to PackageManager flags only 13413 final int installFlags; 13414 final String installerPackageName; 13415 final String volumeUuid; 13416 final UserHandle user; 13417 final String abiOverride; 13418 final String[] installGrantPermissions; 13419 /** If non-null, drop an async trace when the install completes */ 13420 final String traceMethod; 13421 final int traceCookie; 13422 final Certificate[][] certificates; 13423 13424 // The list of instruction sets supported by this app. This is currently 13425 // only used during the rmdex() phase to clean up resources. We can get rid of this 13426 // if we move dex files under the common app path. 13427 /* nullable */ String[] instructionSets; 13428 13429 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13430 int installFlags, String installerPackageName, String volumeUuid, 13431 UserHandle user, String[] instructionSets, 13432 String abiOverride, String[] installGrantPermissions, 13433 String traceMethod, int traceCookie, Certificate[][] certificates) { 13434 this.origin = origin; 13435 this.move = move; 13436 this.installFlags = installFlags; 13437 this.observer = observer; 13438 this.installerPackageName = installerPackageName; 13439 this.volumeUuid = volumeUuid; 13440 this.user = user; 13441 this.instructionSets = instructionSets; 13442 this.abiOverride = abiOverride; 13443 this.installGrantPermissions = installGrantPermissions; 13444 this.traceMethod = traceMethod; 13445 this.traceCookie = traceCookie; 13446 this.certificates = certificates; 13447 } 13448 13449 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13450 abstract int doPreInstall(int status); 13451 13452 /** 13453 * Rename package into final resting place. All paths on the given 13454 * scanned package should be updated to reflect the rename. 13455 */ 13456 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13457 abstract int doPostInstall(int status, int uid); 13458 13459 /** @see PackageSettingBase#codePathString */ 13460 abstract String getCodePath(); 13461 /** @see PackageSettingBase#resourcePathString */ 13462 abstract String getResourcePath(); 13463 13464 // Need installer lock especially for dex file removal. 13465 abstract void cleanUpResourcesLI(); 13466 abstract boolean doPostDeleteLI(boolean delete); 13467 13468 /** 13469 * Called before the source arguments are copied. This is used mostly 13470 * for MoveParams when it needs to read the source file to put it in the 13471 * destination. 13472 */ 13473 int doPreCopy() { 13474 return PackageManager.INSTALL_SUCCEEDED; 13475 } 13476 13477 /** 13478 * Called after the source arguments are copied. This is used mostly for 13479 * MoveParams when it needs to read the source file to put it in the 13480 * destination. 13481 */ 13482 int doPostCopy(int uid) { 13483 return PackageManager.INSTALL_SUCCEEDED; 13484 } 13485 13486 protected boolean isFwdLocked() { 13487 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13488 } 13489 13490 protected boolean isExternalAsec() { 13491 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13492 } 13493 13494 protected boolean isEphemeral() { 13495 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13496 } 13497 13498 UserHandle getUser() { 13499 return user; 13500 } 13501 } 13502 13503 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13504 if (!allCodePaths.isEmpty()) { 13505 if (instructionSets == null) { 13506 throw new IllegalStateException("instructionSet == null"); 13507 } 13508 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13509 for (String codePath : allCodePaths) { 13510 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13511 try { 13512 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13513 } catch (InstallerException ignored) { 13514 } 13515 } 13516 } 13517 } 13518 } 13519 13520 /** 13521 * Logic to handle installation of non-ASEC applications, including copying 13522 * and renaming logic. 13523 */ 13524 class FileInstallArgs extends InstallArgs { 13525 private File codeFile; 13526 private File resourceFile; 13527 13528 // Example topology: 13529 // /data/app/com.example/base.apk 13530 // /data/app/com.example/split_foo.apk 13531 // /data/app/com.example/lib/arm/libfoo.so 13532 // /data/app/com.example/lib/arm64/libfoo.so 13533 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13534 13535 /** New install */ 13536 FileInstallArgs(InstallParams params) { 13537 super(params.origin, params.move, params.observer, params.installFlags, 13538 params.installerPackageName, params.volumeUuid, 13539 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13540 params.grantedRuntimePermissions, 13541 params.traceMethod, params.traceCookie, params.certificates); 13542 if (isFwdLocked()) { 13543 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13544 } 13545 } 13546 13547 /** Existing install */ 13548 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13549 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13550 null, null, null, 0, null /*certificates*/); 13551 this.codeFile = (codePath != null) ? new File(codePath) : null; 13552 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13553 } 13554 13555 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13556 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13557 try { 13558 return doCopyApk(imcs, temp); 13559 } finally { 13560 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13561 } 13562 } 13563 13564 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13565 if (origin.staged) { 13566 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13567 codeFile = origin.file; 13568 resourceFile = origin.file; 13569 return PackageManager.INSTALL_SUCCEEDED; 13570 } 13571 13572 try { 13573 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13574 final File tempDir = 13575 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13576 codeFile = tempDir; 13577 resourceFile = tempDir; 13578 } catch (IOException e) { 13579 Slog.w(TAG, "Failed to create copy file: " + e); 13580 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13581 } 13582 13583 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13584 @Override 13585 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13586 if (!FileUtils.isValidExtFilename(name)) { 13587 throw new IllegalArgumentException("Invalid filename: " + name); 13588 } 13589 try { 13590 final File file = new File(codeFile, name); 13591 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13592 O_RDWR | O_CREAT, 0644); 13593 Os.chmod(file.getAbsolutePath(), 0644); 13594 return new ParcelFileDescriptor(fd); 13595 } catch (ErrnoException e) { 13596 throw new RemoteException("Failed to open: " + e.getMessage()); 13597 } 13598 } 13599 }; 13600 13601 int ret = PackageManager.INSTALL_SUCCEEDED; 13602 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13603 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13604 Slog.e(TAG, "Failed to copy package"); 13605 return ret; 13606 } 13607 13608 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13609 NativeLibraryHelper.Handle handle = null; 13610 try { 13611 handle = NativeLibraryHelper.Handle.create(codeFile); 13612 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13613 abiOverride); 13614 } catch (IOException e) { 13615 Slog.e(TAG, "Copying native libraries failed", e); 13616 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13617 } finally { 13618 IoUtils.closeQuietly(handle); 13619 } 13620 13621 return ret; 13622 } 13623 13624 int doPreInstall(int status) { 13625 if (status != PackageManager.INSTALL_SUCCEEDED) { 13626 cleanUp(); 13627 } 13628 return status; 13629 } 13630 13631 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13632 if (status != PackageManager.INSTALL_SUCCEEDED) { 13633 cleanUp(); 13634 return false; 13635 } 13636 13637 final File targetDir = codeFile.getParentFile(); 13638 final File beforeCodeFile = codeFile; 13639 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13640 13641 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13642 try { 13643 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13644 } catch (ErrnoException e) { 13645 Slog.w(TAG, "Failed to rename", e); 13646 return false; 13647 } 13648 13649 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13650 Slog.w(TAG, "Failed to restorecon"); 13651 return false; 13652 } 13653 13654 // Reflect the rename internally 13655 codeFile = afterCodeFile; 13656 resourceFile = afterCodeFile; 13657 13658 // Reflect the rename in scanned details 13659 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13660 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13661 afterCodeFile, pkg.baseCodePath)); 13662 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13663 afterCodeFile, pkg.splitCodePaths)); 13664 13665 // Reflect the rename in app info 13666 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13667 pkg.setApplicationInfoCodePath(pkg.codePath); 13668 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13669 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13670 pkg.setApplicationInfoResourcePath(pkg.codePath); 13671 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13672 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13673 13674 return true; 13675 } 13676 13677 int doPostInstall(int status, int uid) { 13678 if (status != PackageManager.INSTALL_SUCCEEDED) { 13679 cleanUp(); 13680 } 13681 return status; 13682 } 13683 13684 @Override 13685 String getCodePath() { 13686 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13687 } 13688 13689 @Override 13690 String getResourcePath() { 13691 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13692 } 13693 13694 private boolean cleanUp() { 13695 if (codeFile == null || !codeFile.exists()) { 13696 return false; 13697 } 13698 13699 removeCodePathLI(codeFile); 13700 13701 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13702 resourceFile.delete(); 13703 } 13704 13705 return true; 13706 } 13707 13708 void cleanUpResourcesLI() { 13709 // Try enumerating all code paths before deleting 13710 List<String> allCodePaths = Collections.EMPTY_LIST; 13711 if (codeFile != null && codeFile.exists()) { 13712 try { 13713 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13714 allCodePaths = pkg.getAllCodePaths(); 13715 } catch (PackageParserException e) { 13716 // Ignored; we tried our best 13717 } 13718 } 13719 13720 cleanUp(); 13721 removeDexFiles(allCodePaths, instructionSets); 13722 } 13723 13724 boolean doPostDeleteLI(boolean delete) { 13725 // XXX err, shouldn't we respect the delete flag? 13726 cleanUpResourcesLI(); 13727 return true; 13728 } 13729 } 13730 13731 private boolean isAsecExternal(String cid) { 13732 final String asecPath = PackageHelper.getSdFilesystem(cid); 13733 return !asecPath.startsWith(mAsecInternalPath); 13734 } 13735 13736 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13737 PackageManagerException { 13738 if (copyRet < 0) { 13739 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13740 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13741 throw new PackageManagerException(copyRet, message); 13742 } 13743 } 13744 } 13745 13746 /** 13747 * Extract the MountService "container ID" from the full code path of an 13748 * .apk. 13749 */ 13750 static String cidFromCodePath(String fullCodePath) { 13751 int eidx = fullCodePath.lastIndexOf("/"); 13752 String subStr1 = fullCodePath.substring(0, eidx); 13753 int sidx = subStr1.lastIndexOf("/"); 13754 return subStr1.substring(sidx+1, eidx); 13755 } 13756 13757 /** 13758 * Logic to handle installation of ASEC applications, including copying and 13759 * renaming logic. 13760 */ 13761 class AsecInstallArgs extends InstallArgs { 13762 static final String RES_FILE_NAME = "pkg.apk"; 13763 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13764 13765 String cid; 13766 String packagePath; 13767 String resourcePath; 13768 13769 /** New install */ 13770 AsecInstallArgs(InstallParams params) { 13771 super(params.origin, params.move, params.observer, params.installFlags, 13772 params.installerPackageName, params.volumeUuid, 13773 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13774 params.grantedRuntimePermissions, 13775 params.traceMethod, params.traceCookie, params.certificates); 13776 } 13777 13778 /** Existing install */ 13779 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13780 boolean isExternal, boolean isForwardLocked) { 13781 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13782 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13783 instructionSets, null, null, null, 0, null /*certificates*/); 13784 // Hackily pretend we're still looking at a full code path 13785 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13786 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13787 } 13788 13789 // Extract cid from fullCodePath 13790 int eidx = fullCodePath.lastIndexOf("/"); 13791 String subStr1 = fullCodePath.substring(0, eidx); 13792 int sidx = subStr1.lastIndexOf("/"); 13793 cid = subStr1.substring(sidx+1, eidx); 13794 setMountPath(subStr1); 13795 } 13796 13797 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13798 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13799 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13800 instructionSets, null, null, null, 0, null /*certificates*/); 13801 this.cid = cid; 13802 setMountPath(PackageHelper.getSdDir(cid)); 13803 } 13804 13805 void createCopyFile() { 13806 cid = mInstallerService.allocateExternalStageCidLegacy(); 13807 } 13808 13809 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13810 if (origin.staged && origin.cid != null) { 13811 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13812 cid = origin.cid; 13813 setMountPath(PackageHelper.getSdDir(cid)); 13814 return PackageManager.INSTALL_SUCCEEDED; 13815 } 13816 13817 if (temp) { 13818 createCopyFile(); 13819 } else { 13820 /* 13821 * Pre-emptively destroy the container since it's destroyed if 13822 * copying fails due to it existing anyway. 13823 */ 13824 PackageHelper.destroySdDir(cid); 13825 } 13826 13827 final String newMountPath = imcs.copyPackageToContainer( 13828 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13829 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13830 13831 if (newMountPath != null) { 13832 setMountPath(newMountPath); 13833 return PackageManager.INSTALL_SUCCEEDED; 13834 } else { 13835 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13836 } 13837 } 13838 13839 @Override 13840 String getCodePath() { 13841 return packagePath; 13842 } 13843 13844 @Override 13845 String getResourcePath() { 13846 return resourcePath; 13847 } 13848 13849 int doPreInstall(int status) { 13850 if (status != PackageManager.INSTALL_SUCCEEDED) { 13851 // Destroy container 13852 PackageHelper.destroySdDir(cid); 13853 } else { 13854 boolean mounted = PackageHelper.isContainerMounted(cid); 13855 if (!mounted) { 13856 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13857 Process.SYSTEM_UID); 13858 if (newMountPath != null) { 13859 setMountPath(newMountPath); 13860 } else { 13861 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13862 } 13863 } 13864 } 13865 return status; 13866 } 13867 13868 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13869 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13870 String newMountPath = null; 13871 if (PackageHelper.isContainerMounted(cid)) { 13872 // Unmount the container 13873 if (!PackageHelper.unMountSdDir(cid)) { 13874 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13875 return false; 13876 } 13877 } 13878 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13879 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13880 " which might be stale. Will try to clean up."); 13881 // Clean up the stale container and proceed to recreate. 13882 if (!PackageHelper.destroySdDir(newCacheId)) { 13883 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13884 return false; 13885 } 13886 // Successfully cleaned up stale container. Try to rename again. 13887 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13888 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13889 + " inspite of cleaning it up."); 13890 return false; 13891 } 13892 } 13893 if (!PackageHelper.isContainerMounted(newCacheId)) { 13894 Slog.w(TAG, "Mounting container " + newCacheId); 13895 newMountPath = PackageHelper.mountSdDir(newCacheId, 13896 getEncryptKey(), Process.SYSTEM_UID); 13897 } else { 13898 newMountPath = PackageHelper.getSdDir(newCacheId); 13899 } 13900 if (newMountPath == null) { 13901 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13902 return false; 13903 } 13904 Log.i(TAG, "Succesfully renamed " + cid + 13905 " to " + newCacheId + 13906 " at new path: " + newMountPath); 13907 cid = newCacheId; 13908 13909 final File beforeCodeFile = new File(packagePath); 13910 setMountPath(newMountPath); 13911 final File afterCodeFile = new File(packagePath); 13912 13913 // Reflect the rename in scanned details 13914 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13915 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13916 afterCodeFile, pkg.baseCodePath)); 13917 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13918 afterCodeFile, pkg.splitCodePaths)); 13919 13920 // Reflect the rename in app info 13921 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13922 pkg.setApplicationInfoCodePath(pkg.codePath); 13923 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13924 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13925 pkg.setApplicationInfoResourcePath(pkg.codePath); 13926 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13927 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13928 13929 return true; 13930 } 13931 13932 private void setMountPath(String mountPath) { 13933 final File mountFile = new File(mountPath); 13934 13935 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13936 if (monolithicFile.exists()) { 13937 packagePath = monolithicFile.getAbsolutePath(); 13938 if (isFwdLocked()) { 13939 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13940 } else { 13941 resourcePath = packagePath; 13942 } 13943 } else { 13944 packagePath = mountFile.getAbsolutePath(); 13945 resourcePath = packagePath; 13946 } 13947 } 13948 13949 int doPostInstall(int status, int uid) { 13950 if (status != PackageManager.INSTALL_SUCCEEDED) { 13951 cleanUp(); 13952 } else { 13953 final int groupOwner; 13954 final String protectedFile; 13955 if (isFwdLocked()) { 13956 groupOwner = UserHandle.getSharedAppGid(uid); 13957 protectedFile = RES_FILE_NAME; 13958 } else { 13959 groupOwner = -1; 13960 protectedFile = null; 13961 } 13962 13963 if (uid < Process.FIRST_APPLICATION_UID 13964 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13965 Slog.e(TAG, "Failed to finalize " + cid); 13966 PackageHelper.destroySdDir(cid); 13967 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13968 } 13969 13970 boolean mounted = PackageHelper.isContainerMounted(cid); 13971 if (!mounted) { 13972 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13973 } 13974 } 13975 return status; 13976 } 13977 13978 private void cleanUp() { 13979 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13980 13981 // Destroy secure container 13982 PackageHelper.destroySdDir(cid); 13983 } 13984 13985 private List<String> getAllCodePaths() { 13986 final File codeFile = new File(getCodePath()); 13987 if (codeFile != null && codeFile.exists()) { 13988 try { 13989 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13990 return pkg.getAllCodePaths(); 13991 } catch (PackageParserException e) { 13992 // Ignored; we tried our best 13993 } 13994 } 13995 return Collections.EMPTY_LIST; 13996 } 13997 13998 void cleanUpResourcesLI() { 13999 // Enumerate all code paths before deleting 14000 cleanUpResourcesLI(getAllCodePaths()); 14001 } 14002 14003 private void cleanUpResourcesLI(List<String> allCodePaths) { 14004 cleanUp(); 14005 removeDexFiles(allCodePaths, instructionSets); 14006 } 14007 14008 String getPackageName() { 14009 return getAsecPackageName(cid); 14010 } 14011 14012 boolean doPostDeleteLI(boolean delete) { 14013 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 14014 final List<String> allCodePaths = getAllCodePaths(); 14015 boolean mounted = PackageHelper.isContainerMounted(cid); 14016 if (mounted) { 14017 // Unmount first 14018 if (PackageHelper.unMountSdDir(cid)) { 14019 mounted = false; 14020 } 14021 } 14022 if (!mounted && delete) { 14023 cleanUpResourcesLI(allCodePaths); 14024 } 14025 return !mounted; 14026 } 14027 14028 @Override 14029 int doPreCopy() { 14030 if (isFwdLocked()) { 14031 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 14032 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 14033 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14034 } 14035 } 14036 14037 return PackageManager.INSTALL_SUCCEEDED; 14038 } 14039 14040 @Override 14041 int doPostCopy(int uid) { 14042 if (isFwdLocked()) { 14043 if (uid < Process.FIRST_APPLICATION_UID 14044 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 14045 RES_FILE_NAME)) { 14046 Slog.e(TAG, "Failed to finalize " + cid); 14047 PackageHelper.destroySdDir(cid); 14048 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14049 } 14050 } 14051 14052 return PackageManager.INSTALL_SUCCEEDED; 14053 } 14054 } 14055 14056 /** 14057 * Logic to handle movement of existing installed applications. 14058 */ 14059 class MoveInstallArgs extends InstallArgs { 14060 private File codeFile; 14061 private File resourceFile; 14062 14063 /** New install */ 14064 MoveInstallArgs(InstallParams params) { 14065 super(params.origin, params.move, params.observer, params.installFlags, 14066 params.installerPackageName, params.volumeUuid, 14067 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 14068 params.grantedRuntimePermissions, 14069 params.traceMethod, params.traceCookie, params.certificates); 14070 } 14071 14072 int copyApk(IMediaContainerService imcs, boolean temp) { 14073 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 14074 + move.fromUuid + " to " + move.toUuid); 14075 synchronized (mInstaller) { 14076 try { 14077 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 14078 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 14079 } catch (InstallerException e) { 14080 Slog.w(TAG, "Failed to move app", e); 14081 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14082 } 14083 } 14084 14085 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 14086 resourceFile = codeFile; 14087 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 14088 14089 return PackageManager.INSTALL_SUCCEEDED; 14090 } 14091 14092 int doPreInstall(int status) { 14093 if (status != PackageManager.INSTALL_SUCCEEDED) { 14094 cleanUp(move.toUuid); 14095 } 14096 return status; 14097 } 14098 14099 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14100 if (status != PackageManager.INSTALL_SUCCEEDED) { 14101 cleanUp(move.toUuid); 14102 return false; 14103 } 14104 14105 // Reflect the move in app info 14106 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14107 pkg.setApplicationInfoCodePath(pkg.codePath); 14108 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14109 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14110 pkg.setApplicationInfoResourcePath(pkg.codePath); 14111 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14112 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14113 14114 return true; 14115 } 14116 14117 int doPostInstall(int status, int uid) { 14118 if (status == PackageManager.INSTALL_SUCCEEDED) { 14119 cleanUp(move.fromUuid); 14120 } else { 14121 cleanUp(move.toUuid); 14122 } 14123 return status; 14124 } 14125 14126 @Override 14127 String getCodePath() { 14128 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14129 } 14130 14131 @Override 14132 String getResourcePath() { 14133 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14134 } 14135 14136 private boolean cleanUp(String volumeUuid) { 14137 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 14138 move.dataAppName); 14139 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 14140 final int[] userIds = sUserManager.getUserIds(); 14141 synchronized (mInstallLock) { 14142 // Clean up both app data and code 14143 // All package moves are frozen until finished 14144 for (int userId : userIds) { 14145 try { 14146 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14147 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14148 } catch (InstallerException e) { 14149 Slog.w(TAG, String.valueOf(e)); 14150 } 14151 } 14152 removeCodePathLI(codeFile); 14153 } 14154 return true; 14155 } 14156 14157 void cleanUpResourcesLI() { 14158 throw new UnsupportedOperationException(); 14159 } 14160 14161 boolean doPostDeleteLI(boolean delete) { 14162 throw new UnsupportedOperationException(); 14163 } 14164 } 14165 14166 static String getAsecPackageName(String packageCid) { 14167 int idx = packageCid.lastIndexOf("-"); 14168 if (idx == -1) { 14169 return packageCid; 14170 } 14171 return packageCid.substring(0, idx); 14172 } 14173 14174 // Utility method used to create code paths based on package name and available index. 14175 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14176 String idxStr = ""; 14177 int idx = 1; 14178 // Fall back to default value of idx=1 if prefix is not 14179 // part of oldCodePath 14180 if (oldCodePath != null) { 14181 String subStr = oldCodePath; 14182 // Drop the suffix right away 14183 if (suffix != null && subStr.endsWith(suffix)) { 14184 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14185 } 14186 // If oldCodePath already contains prefix find out the 14187 // ending index to either increment or decrement. 14188 int sidx = subStr.lastIndexOf(prefix); 14189 if (sidx != -1) { 14190 subStr = subStr.substring(sidx + prefix.length()); 14191 if (subStr != null) { 14192 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14193 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14194 } 14195 try { 14196 idx = Integer.parseInt(subStr); 14197 if (idx <= 1) { 14198 idx++; 14199 } else { 14200 idx--; 14201 } 14202 } catch(NumberFormatException e) { 14203 } 14204 } 14205 } 14206 } 14207 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14208 return prefix + idxStr; 14209 } 14210 14211 private File getNextCodePath(File targetDir, String packageName) { 14212 int suffix = 1; 14213 File result; 14214 do { 14215 result = new File(targetDir, packageName + "-" + suffix); 14216 suffix++; 14217 } while (result.exists()); 14218 return result; 14219 } 14220 14221 // Utility method that returns the relative package path with respect 14222 // to the installation directory. Like say for /data/data/com.test-1.apk 14223 // string com.test-1 is returned. 14224 static String deriveCodePathName(String codePath) { 14225 if (codePath == null) { 14226 return null; 14227 } 14228 final File codeFile = new File(codePath); 14229 final String name = codeFile.getName(); 14230 if (codeFile.isDirectory()) { 14231 return name; 14232 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14233 final int lastDot = name.lastIndexOf('.'); 14234 return name.substring(0, lastDot); 14235 } else { 14236 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14237 return null; 14238 } 14239 } 14240 14241 static class PackageInstalledInfo { 14242 String name; 14243 int uid; 14244 // The set of users that originally had this package installed. 14245 int[] origUsers; 14246 // The set of users that now have this package installed. 14247 int[] newUsers; 14248 PackageParser.Package pkg; 14249 int returnCode; 14250 String returnMsg; 14251 PackageRemovedInfo removedInfo; 14252 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14253 14254 public void setError(int code, String msg) { 14255 setReturnCode(code); 14256 setReturnMessage(msg); 14257 Slog.w(TAG, msg); 14258 } 14259 14260 public void setError(String msg, PackageParserException e) { 14261 setReturnCode(e.error); 14262 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14263 Slog.w(TAG, msg, e); 14264 } 14265 14266 public void setError(String msg, PackageManagerException e) { 14267 returnCode = e.error; 14268 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14269 Slog.w(TAG, msg, e); 14270 } 14271 14272 public void setReturnCode(int returnCode) { 14273 this.returnCode = returnCode; 14274 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14275 for (int i = 0; i < childCount; i++) { 14276 addedChildPackages.valueAt(i).returnCode = returnCode; 14277 } 14278 } 14279 14280 private void setReturnMessage(String returnMsg) { 14281 this.returnMsg = returnMsg; 14282 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14283 for (int i = 0; i < childCount; i++) { 14284 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14285 } 14286 } 14287 14288 // In some error cases we want to convey more info back to the observer 14289 String origPackage; 14290 String origPermission; 14291 } 14292 14293 /* 14294 * Install a non-existing package. 14295 */ 14296 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14297 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14298 PackageInstalledInfo res) { 14299 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14300 14301 // Remember this for later, in case we need to rollback this install 14302 String pkgName = pkg.packageName; 14303 14304 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14305 14306 synchronized(mPackages) { 14307 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 14308 if (renamedPackage != null) { 14309 // A package with the same name is already installed, though 14310 // it has been renamed to an older name. The package we 14311 // are trying to install should be installed as an update to 14312 // the existing one, but that has not been requested, so bail. 14313 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14314 + " without first uninstalling package running as " 14315 + renamedPackage); 14316 return; 14317 } 14318 if (mPackages.containsKey(pkgName)) { 14319 // Don't allow installation over an existing package with the same name. 14320 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14321 + " without first uninstalling."); 14322 return; 14323 } 14324 } 14325 14326 try { 14327 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14328 System.currentTimeMillis(), user); 14329 14330 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14331 14332 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14333 prepareAppDataAfterInstallLIF(newPackage); 14334 14335 } else { 14336 // Remove package from internal structures, but keep around any 14337 // data that might have already existed 14338 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14339 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14340 } 14341 } catch (PackageManagerException e) { 14342 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14343 } 14344 14345 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14346 } 14347 14348 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14349 // Can't rotate keys during boot or if sharedUser. 14350 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14351 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14352 return false; 14353 } 14354 // app is using upgradeKeySets; make sure all are valid 14355 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14356 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14357 for (int i = 0; i < upgradeKeySets.length; i++) { 14358 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14359 Slog.wtf(TAG, "Package " 14360 + (oldPs.name != null ? oldPs.name : "<null>") 14361 + " contains upgrade-key-set reference to unknown key-set: " 14362 + upgradeKeySets[i] 14363 + " reverting to signatures check."); 14364 return false; 14365 } 14366 } 14367 return true; 14368 } 14369 14370 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14371 // Upgrade keysets are being used. Determine if new package has a superset of the 14372 // required keys. 14373 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14374 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14375 for (int i = 0; i < upgradeKeySets.length; i++) { 14376 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14377 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14378 return true; 14379 } 14380 } 14381 return false; 14382 } 14383 14384 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14385 try (DigestInputStream digestStream = 14386 new DigestInputStream(new FileInputStream(file), digest)) { 14387 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14388 } 14389 } 14390 14391 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14392 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14393 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14394 14395 final PackageParser.Package oldPackage; 14396 final String pkgName = pkg.packageName; 14397 final int[] allUsers; 14398 final int[] installedUsers; 14399 14400 synchronized(mPackages) { 14401 oldPackage = mPackages.get(pkgName); 14402 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14403 14404 // don't allow upgrade to target a release SDK from a pre-release SDK 14405 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14406 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14407 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14408 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14409 if (oldTargetsPreRelease 14410 && !newTargetsPreRelease 14411 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14412 Slog.w(TAG, "Can't install package targeting released sdk"); 14413 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14414 return; 14415 } 14416 14417 // don't allow an upgrade from full to ephemeral 14418 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14419 if (isEphemeral && !oldIsEphemeral) { 14420 // can't downgrade from full to ephemeral 14421 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14422 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14423 return; 14424 } 14425 14426 // verify signatures are valid 14427 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14428 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14429 if (!checkUpgradeKeySetLP(ps, pkg)) { 14430 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14431 "New package not signed by keys specified by upgrade-keysets: " 14432 + pkgName); 14433 return; 14434 } 14435 } else { 14436 // default to original signature matching 14437 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14438 != PackageManager.SIGNATURE_MATCH) { 14439 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14440 "New package has a different signature: " + pkgName); 14441 return; 14442 } 14443 } 14444 14445 // don't allow a system upgrade unless the upgrade hash matches 14446 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14447 byte[] digestBytes = null; 14448 try { 14449 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14450 updateDigest(digest, new File(pkg.baseCodePath)); 14451 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14452 for (String path : pkg.splitCodePaths) { 14453 updateDigest(digest, new File(path)); 14454 } 14455 } 14456 digestBytes = digest.digest(); 14457 } catch (NoSuchAlgorithmException | IOException e) { 14458 res.setError(INSTALL_FAILED_INVALID_APK, 14459 "Could not compute hash: " + pkgName); 14460 return; 14461 } 14462 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14463 res.setError(INSTALL_FAILED_INVALID_APK, 14464 "New package fails restrict-update check: " + pkgName); 14465 return; 14466 } 14467 // retain upgrade restriction 14468 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14469 } 14470 14471 // Check for shared user id changes 14472 String invalidPackageName = 14473 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14474 if (invalidPackageName != null) { 14475 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14476 "Package " + invalidPackageName + " tried to change user " 14477 + oldPackage.mSharedUserId); 14478 return; 14479 } 14480 14481 // In case of rollback, remember per-user/profile install state 14482 allUsers = sUserManager.getUserIds(); 14483 installedUsers = ps.queryInstalledUsers(allUsers, true); 14484 } 14485 14486 // Update what is removed 14487 res.removedInfo = new PackageRemovedInfo(); 14488 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14489 res.removedInfo.removedPackage = oldPackage.packageName; 14490 res.removedInfo.isUpdate = true; 14491 res.removedInfo.origUsers = installedUsers; 14492 final int childCount = (oldPackage.childPackages != null) 14493 ? oldPackage.childPackages.size() : 0; 14494 for (int i = 0; i < childCount; i++) { 14495 boolean childPackageUpdated = false; 14496 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14497 if (res.addedChildPackages != null) { 14498 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14499 if (childRes != null) { 14500 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14501 childRes.removedInfo.removedPackage = childPkg.packageName; 14502 childRes.removedInfo.isUpdate = true; 14503 childPackageUpdated = true; 14504 } 14505 } 14506 if (!childPackageUpdated) { 14507 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14508 childRemovedRes.removedPackage = childPkg.packageName; 14509 childRemovedRes.isUpdate = false; 14510 childRemovedRes.dataRemoved = true; 14511 synchronized (mPackages) { 14512 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 14513 if (childPs != null) { 14514 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14515 } 14516 } 14517 if (res.removedInfo.removedChildPackages == null) { 14518 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14519 } 14520 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14521 } 14522 } 14523 14524 boolean sysPkg = (isSystemApp(oldPackage)); 14525 if (sysPkg) { 14526 // Set the system/privileged flags as needed 14527 final boolean privileged = 14528 (oldPackage.applicationInfo.privateFlags 14529 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14530 final int systemPolicyFlags = policyFlags 14531 | PackageParser.PARSE_IS_SYSTEM 14532 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14533 14534 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14535 user, allUsers, installerPackageName, res); 14536 } else { 14537 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14538 user, allUsers, installerPackageName, res); 14539 } 14540 } 14541 14542 public List<String> getPreviousCodePaths(String packageName) { 14543 final PackageSetting ps = mSettings.mPackages.get(packageName); 14544 final List<String> result = new ArrayList<String>(); 14545 if (ps != null && ps.oldCodePaths != null) { 14546 result.addAll(ps.oldCodePaths); 14547 } 14548 return result; 14549 } 14550 14551 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14552 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14553 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14554 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14555 + deletedPackage); 14556 14557 String pkgName = deletedPackage.packageName; 14558 boolean deletedPkg = true; 14559 boolean addedPkg = false; 14560 boolean updatedSettings = false; 14561 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14562 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14563 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14564 14565 final long origUpdateTime = (pkg.mExtras != null) 14566 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14567 14568 // First delete the existing package while retaining the data directory 14569 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14570 res.removedInfo, true, pkg)) { 14571 // If the existing package wasn't successfully deleted 14572 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14573 deletedPkg = false; 14574 } else { 14575 // Successfully deleted the old package; proceed with replace. 14576 14577 // If deleted package lived in a container, give users a chance to 14578 // relinquish resources before killing. 14579 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14580 if (DEBUG_INSTALL) { 14581 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14582 } 14583 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14584 final ArrayList<String> pkgList = new ArrayList<String>(1); 14585 pkgList.add(deletedPackage.applicationInfo.packageName); 14586 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14587 } 14588 14589 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14590 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14591 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14592 14593 try { 14594 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14595 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14596 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14597 14598 // Update the in-memory copy of the previous code paths. 14599 PackageSetting ps = mSettings.mPackages.get(pkgName); 14600 if (!killApp) { 14601 if (ps.oldCodePaths == null) { 14602 ps.oldCodePaths = new ArraySet<>(); 14603 } 14604 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14605 if (deletedPackage.splitCodePaths != null) { 14606 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14607 } 14608 } else { 14609 ps.oldCodePaths = null; 14610 } 14611 if (ps.childPackageNames != null) { 14612 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14613 final String childPkgName = ps.childPackageNames.get(i); 14614 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14615 childPs.oldCodePaths = ps.oldCodePaths; 14616 } 14617 } 14618 prepareAppDataAfterInstallLIF(newPackage); 14619 addedPkg = true; 14620 } catch (PackageManagerException e) { 14621 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14622 } 14623 } 14624 14625 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14626 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14627 14628 // Revert all internal state mutations and added folders for the failed install 14629 if (addedPkg) { 14630 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14631 res.removedInfo, true, null); 14632 } 14633 14634 // Restore the old package 14635 if (deletedPkg) { 14636 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14637 File restoreFile = new File(deletedPackage.codePath); 14638 // Parse old package 14639 boolean oldExternal = isExternal(deletedPackage); 14640 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14641 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14642 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14643 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14644 try { 14645 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14646 null); 14647 } catch (PackageManagerException e) { 14648 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14649 + e.getMessage()); 14650 return; 14651 } 14652 14653 synchronized (mPackages) { 14654 // Ensure the installer package name up to date 14655 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14656 14657 // Update permissions for restored package 14658 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14659 14660 mSettings.writeLPr(); 14661 } 14662 14663 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14664 } 14665 } else { 14666 synchronized (mPackages) { 14667 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 14668 if (ps != null) { 14669 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14670 if (res.removedInfo.removedChildPackages != null) { 14671 final int childCount = res.removedInfo.removedChildPackages.size(); 14672 // Iterate in reverse as we may modify the collection 14673 for (int i = childCount - 1; i >= 0; i--) { 14674 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14675 if (res.addedChildPackages.containsKey(childPackageName)) { 14676 res.removedInfo.removedChildPackages.removeAt(i); 14677 } else { 14678 PackageRemovedInfo childInfo = res.removedInfo 14679 .removedChildPackages.valueAt(i); 14680 childInfo.removedForAllUsers = mPackages.get( 14681 childInfo.removedPackage) == null; 14682 } 14683 } 14684 } 14685 } 14686 } 14687 } 14688 } 14689 14690 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14691 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14692 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14693 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14694 + ", old=" + deletedPackage); 14695 14696 final boolean disabledSystem; 14697 14698 // Remove existing system package 14699 removePackageLI(deletedPackage, true); 14700 14701 synchronized (mPackages) { 14702 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14703 } 14704 if (!disabledSystem) { 14705 // We didn't need to disable the .apk as a current system package, 14706 // which means we are replacing another update that is already 14707 // installed. We need to make sure to delete the older one's .apk. 14708 res.removedInfo.args = createInstallArgsForExisting(0, 14709 deletedPackage.applicationInfo.getCodePath(), 14710 deletedPackage.applicationInfo.getResourcePath(), 14711 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14712 } else { 14713 res.removedInfo.args = null; 14714 } 14715 14716 // Successfully disabled the old package. Now proceed with re-installation 14717 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14718 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14719 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14720 14721 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14722 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14723 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14724 14725 PackageParser.Package newPackage = null; 14726 try { 14727 // Add the package to the internal data structures 14728 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14729 14730 // Set the update and install times 14731 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14732 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14733 System.currentTimeMillis()); 14734 14735 // Update the package dynamic state if succeeded 14736 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14737 // Now that the install succeeded make sure we remove data 14738 // directories for any child package the update removed. 14739 final int deletedChildCount = (deletedPackage.childPackages != null) 14740 ? deletedPackage.childPackages.size() : 0; 14741 final int newChildCount = (newPackage.childPackages != null) 14742 ? newPackage.childPackages.size() : 0; 14743 for (int i = 0; i < deletedChildCount; i++) { 14744 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14745 boolean childPackageDeleted = true; 14746 for (int j = 0; j < newChildCount; j++) { 14747 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14748 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14749 childPackageDeleted = false; 14750 break; 14751 } 14752 } 14753 if (childPackageDeleted) { 14754 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14755 deletedChildPkg.packageName); 14756 if (ps != null && res.removedInfo.removedChildPackages != null) { 14757 PackageRemovedInfo removedChildRes = res.removedInfo 14758 .removedChildPackages.get(deletedChildPkg.packageName); 14759 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14760 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14761 } 14762 } 14763 } 14764 14765 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14766 prepareAppDataAfterInstallLIF(newPackage); 14767 } 14768 } catch (PackageManagerException e) { 14769 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14770 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14771 } 14772 14773 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14774 // Re installation failed. Restore old information 14775 // Remove new pkg information 14776 if (newPackage != null) { 14777 removeInstalledPackageLI(newPackage, true); 14778 } 14779 // Add back the old system package 14780 try { 14781 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14782 } catch (PackageManagerException e) { 14783 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14784 } 14785 14786 synchronized (mPackages) { 14787 if (disabledSystem) { 14788 enableSystemPackageLPw(deletedPackage); 14789 } 14790 14791 // Ensure the installer package name up to date 14792 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14793 14794 // Update permissions for restored package 14795 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14796 14797 mSettings.writeLPr(); 14798 } 14799 14800 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14801 + " after failed upgrade"); 14802 } 14803 } 14804 14805 /** 14806 * Checks whether the parent or any of the child packages have a change shared 14807 * user. For a package to be a valid update the shred users of the parent and 14808 * the children should match. We may later support changing child shared users. 14809 * @param oldPkg The updated package. 14810 * @param newPkg The update package. 14811 * @return The shared user that change between the versions. 14812 */ 14813 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14814 PackageParser.Package newPkg) { 14815 // Check parent shared user 14816 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14817 return newPkg.packageName; 14818 } 14819 // Check child shared users 14820 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14821 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14822 for (int i = 0; i < newChildCount; i++) { 14823 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14824 // If this child was present, did it have the same shared user? 14825 for (int j = 0; j < oldChildCount; j++) { 14826 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14827 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14828 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14829 return newChildPkg.packageName; 14830 } 14831 } 14832 } 14833 return null; 14834 } 14835 14836 private void removeNativeBinariesLI(PackageSetting ps) { 14837 // Remove the lib path for the parent package 14838 if (ps != null) { 14839 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14840 // Remove the lib path for the child packages 14841 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14842 for (int i = 0; i < childCount; i++) { 14843 PackageSetting childPs = null; 14844 synchronized (mPackages) { 14845 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 14846 } 14847 if (childPs != null) { 14848 NativeLibraryHelper.removeNativeBinariesLI(childPs 14849 .legacyNativeLibraryPathString); 14850 } 14851 } 14852 } 14853 } 14854 14855 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14856 // Enable the parent package 14857 mSettings.enableSystemPackageLPw(pkg.packageName); 14858 // Enable the child packages 14859 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14860 for (int i = 0; i < childCount; i++) { 14861 PackageParser.Package childPkg = pkg.childPackages.get(i); 14862 mSettings.enableSystemPackageLPw(childPkg.packageName); 14863 } 14864 } 14865 14866 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14867 PackageParser.Package newPkg) { 14868 // Disable the parent package (parent always replaced) 14869 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14870 // Disable the child packages 14871 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14872 for (int i = 0; i < childCount; i++) { 14873 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14874 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14875 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14876 } 14877 return disabled; 14878 } 14879 14880 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14881 String installerPackageName) { 14882 // Enable the parent package 14883 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14884 // Enable the child packages 14885 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14886 for (int i = 0; i < childCount; i++) { 14887 PackageParser.Package childPkg = pkg.childPackages.get(i); 14888 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14889 } 14890 } 14891 14892 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14893 // Collect all used permissions in the UID 14894 ArraySet<String> usedPermissions = new ArraySet<>(); 14895 final int packageCount = su.packages.size(); 14896 for (int i = 0; i < packageCount; i++) { 14897 PackageSetting ps = su.packages.valueAt(i); 14898 if (ps.pkg == null) { 14899 continue; 14900 } 14901 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14902 for (int j = 0; j < requestedPermCount; j++) { 14903 String permission = ps.pkg.requestedPermissions.get(j); 14904 BasePermission bp = mSettings.mPermissions.get(permission); 14905 if (bp != null) { 14906 usedPermissions.add(permission); 14907 } 14908 } 14909 } 14910 14911 PermissionsState permissionsState = su.getPermissionsState(); 14912 // Prune install permissions 14913 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14914 final int installPermCount = installPermStates.size(); 14915 for (int i = installPermCount - 1; i >= 0; i--) { 14916 PermissionState permissionState = installPermStates.get(i); 14917 if (!usedPermissions.contains(permissionState.getName())) { 14918 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14919 if (bp != null) { 14920 permissionsState.revokeInstallPermission(bp); 14921 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14922 PackageManager.MASK_PERMISSION_FLAGS, 0); 14923 } 14924 } 14925 } 14926 14927 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14928 14929 // Prune runtime permissions 14930 for (int userId : allUserIds) { 14931 List<PermissionState> runtimePermStates = permissionsState 14932 .getRuntimePermissionStates(userId); 14933 final int runtimePermCount = runtimePermStates.size(); 14934 for (int i = runtimePermCount - 1; i >= 0; i--) { 14935 PermissionState permissionState = runtimePermStates.get(i); 14936 if (!usedPermissions.contains(permissionState.getName())) { 14937 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14938 if (bp != null) { 14939 permissionsState.revokeRuntimePermission(bp, userId); 14940 permissionsState.updatePermissionFlags(bp, userId, 14941 PackageManager.MASK_PERMISSION_FLAGS, 0); 14942 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14943 runtimePermissionChangedUserIds, userId); 14944 } 14945 } 14946 } 14947 } 14948 14949 return runtimePermissionChangedUserIds; 14950 } 14951 14952 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14953 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14954 // Update the parent package setting 14955 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14956 res, user); 14957 // Update the child packages setting 14958 final int childCount = (newPackage.childPackages != null) 14959 ? newPackage.childPackages.size() : 0; 14960 for (int i = 0; i < childCount; i++) { 14961 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14962 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14963 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14964 childRes.origUsers, childRes, user); 14965 } 14966 } 14967 14968 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14969 String installerPackageName, int[] allUsers, int[] installedForUsers, 14970 PackageInstalledInfo res, UserHandle user) { 14971 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14972 14973 String pkgName = newPackage.packageName; 14974 synchronized (mPackages) { 14975 //write settings. the installStatus will be incomplete at this stage. 14976 //note that the new package setting would have already been 14977 //added to mPackages. It hasn't been persisted yet. 14978 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14979 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14980 mSettings.writeLPr(); 14981 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14982 } 14983 14984 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14985 synchronized (mPackages) { 14986 updatePermissionsLPw(newPackage.packageName, newPackage, 14987 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14988 ? UPDATE_PERMISSIONS_ALL : 0)); 14989 // For system-bundled packages, we assume that installing an upgraded version 14990 // of the package implies that the user actually wants to run that new code, 14991 // so we enable the package. 14992 PackageSetting ps = mSettings.mPackages.get(pkgName); 14993 final int userId = user.getIdentifier(); 14994 if (ps != null) { 14995 if (isSystemApp(newPackage)) { 14996 if (DEBUG_INSTALL) { 14997 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14998 } 14999 // Enable system package for requested users 15000 if (res.origUsers != null) { 15001 for (int origUserId : res.origUsers) { 15002 if (userId == UserHandle.USER_ALL || userId == origUserId) { 15003 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 15004 origUserId, installerPackageName); 15005 } 15006 } 15007 } 15008 // Also convey the prior install/uninstall state 15009 if (allUsers != null && installedForUsers != null) { 15010 for (int currentUserId : allUsers) { 15011 final boolean installed = ArrayUtils.contains( 15012 installedForUsers, currentUserId); 15013 if (DEBUG_INSTALL) { 15014 Slog.d(TAG, " user " + currentUserId + " => " + installed); 15015 } 15016 ps.setInstalled(installed, currentUserId); 15017 } 15018 // these install state changes will be persisted in the 15019 // upcoming call to mSettings.writeLPr(). 15020 } 15021 } 15022 // It's implied that when a user requests installation, they want the app to be 15023 // installed and enabled. 15024 if (userId != UserHandle.USER_ALL) { 15025 ps.setInstalled(true, userId); 15026 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 15027 } 15028 } 15029 res.name = pkgName; 15030 res.uid = newPackage.applicationInfo.uid; 15031 res.pkg = newPackage; 15032 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 15033 mSettings.setInstallerPackageName(pkgName, installerPackageName); 15034 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15035 //to update install status 15036 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15037 mSettings.writeLPr(); 15038 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15039 } 15040 15041 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15042 } 15043 15044 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 15045 try { 15046 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 15047 installPackageLI(args, res); 15048 } finally { 15049 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15050 } 15051 } 15052 15053 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 15054 final int installFlags = args.installFlags; 15055 final String installerPackageName = args.installerPackageName; 15056 final String volumeUuid = args.volumeUuid; 15057 final File tmpPackageFile = new File(args.getCodePath()); 15058 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 15059 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 15060 || (args.volumeUuid != null)); 15061 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 15062 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 15063 boolean replace = false; 15064 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 15065 if (args.move != null) { 15066 // moving a complete application; perform an initial scan on the new install location 15067 scanFlags |= SCAN_INITIAL; 15068 } 15069 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 15070 scanFlags |= SCAN_DONT_KILL_APP; 15071 } 15072 15073 // Result object to be returned 15074 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15075 15076 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 15077 15078 // Sanity check 15079 if (ephemeral && (forwardLocked || onExternal)) { 15080 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 15081 + " external=" + onExternal); 15082 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 15083 return; 15084 } 15085 15086 // Retrieve PackageSettings and parse package 15087 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 15088 | PackageParser.PARSE_ENFORCE_CODE 15089 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 15090 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 15091 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 15092 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 15093 PackageParser pp = new PackageParser(); 15094 pp.setSeparateProcesses(mSeparateProcesses); 15095 pp.setDisplayMetrics(mMetrics); 15096 15097 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 15098 final PackageParser.Package pkg; 15099 try { 15100 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 15101 } catch (PackageParserException e) { 15102 res.setError("Failed parse during installPackageLI", e); 15103 return; 15104 } finally { 15105 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15106 } 15107 15108 // If we are installing a clustered package add results for the children 15109 if (pkg.childPackages != null) { 15110 synchronized (mPackages) { 15111 final int childCount = pkg.childPackages.size(); 15112 for (int i = 0; i < childCount; i++) { 15113 PackageParser.Package childPkg = pkg.childPackages.get(i); 15114 PackageInstalledInfo childRes = new PackageInstalledInfo(); 15115 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15116 childRes.pkg = childPkg; 15117 childRes.name = childPkg.packageName; 15118 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15119 if (childPs != null) { 15120 childRes.origUsers = childPs.queryInstalledUsers( 15121 sUserManager.getUserIds(), true); 15122 } 15123 if ((mPackages.containsKey(childPkg.packageName))) { 15124 childRes.removedInfo = new PackageRemovedInfo(); 15125 childRes.removedInfo.removedPackage = childPkg.packageName; 15126 } 15127 if (res.addedChildPackages == null) { 15128 res.addedChildPackages = new ArrayMap<>(); 15129 } 15130 res.addedChildPackages.put(childPkg.packageName, childRes); 15131 } 15132 } 15133 } 15134 15135 // If package doesn't declare API override, mark that we have an install 15136 // time CPU ABI override. 15137 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 15138 pkg.cpuAbiOverride = args.abiOverride; 15139 } 15140 15141 String pkgName = res.name = pkg.packageName; 15142 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15143 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15144 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15145 return; 15146 } 15147 } 15148 15149 try { 15150 // either use what we've been given or parse directly from the APK 15151 if (args.certificates != null) { 15152 try { 15153 PackageParser.populateCertificates(pkg, args.certificates); 15154 } catch (PackageParserException e) { 15155 // there was something wrong with the certificates we were given; 15156 // try to pull them from the APK 15157 PackageParser.collectCertificates(pkg, parseFlags); 15158 } 15159 } else { 15160 PackageParser.collectCertificates(pkg, parseFlags); 15161 } 15162 } catch (PackageParserException e) { 15163 res.setError("Failed collect during installPackageLI", e); 15164 return; 15165 } 15166 15167 // Get rid of all references to package scan path via parser. 15168 pp = null; 15169 String oldCodePath = null; 15170 boolean systemApp = false; 15171 synchronized (mPackages) { 15172 // Check if installing already existing package 15173 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15174 String oldName = mSettings.getRenamedPackageLPr(pkgName); 15175 if (pkg.mOriginalPackages != null 15176 && pkg.mOriginalPackages.contains(oldName) 15177 && mPackages.containsKey(oldName)) { 15178 // This package is derived from an original package, 15179 // and this device has been updating from that original 15180 // name. We must continue using the original name, so 15181 // rename the new package here. 15182 pkg.setPackageName(oldName); 15183 pkgName = pkg.packageName; 15184 replace = true; 15185 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15186 + oldName + " pkgName=" + pkgName); 15187 } else if (mPackages.containsKey(pkgName)) { 15188 // This package, under its official name, already exists 15189 // on the device; we should replace it. 15190 replace = true; 15191 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15192 } 15193 15194 // Child packages are installed through the parent package 15195 if (pkg.parentPackage != null) { 15196 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15197 "Package " + pkg.packageName + " is child of package " 15198 + pkg.parentPackage.parentPackage + ". Child packages " 15199 + "can be updated only through the parent package."); 15200 return; 15201 } 15202 15203 if (replace) { 15204 // Prevent apps opting out from runtime permissions 15205 PackageParser.Package oldPackage = mPackages.get(pkgName); 15206 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15207 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15208 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15209 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15210 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15211 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15212 + " doesn't support runtime permissions but the old" 15213 + " target SDK " + oldTargetSdk + " does."); 15214 return; 15215 } 15216 15217 // Prevent installing of child packages 15218 if (oldPackage.parentPackage != null) { 15219 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15220 "Package " + pkg.packageName + " is child of package " 15221 + oldPackage.parentPackage + ". Child packages " 15222 + "can be updated only through the parent package."); 15223 return; 15224 } 15225 } 15226 } 15227 15228 PackageSetting ps = mSettings.mPackages.get(pkgName); 15229 if (ps != null) { 15230 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15231 15232 // Quick sanity check that we're signed correctly if updating; 15233 // we'll check this again later when scanning, but we want to 15234 // bail early here before tripping over redefined permissions. 15235 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15236 if (!checkUpgradeKeySetLP(ps, pkg)) { 15237 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15238 + pkg.packageName + " upgrade keys do not match the " 15239 + "previously installed version"); 15240 return; 15241 } 15242 } else { 15243 try { 15244 verifySignaturesLP(ps, pkg); 15245 } catch (PackageManagerException e) { 15246 res.setError(e.error, e.getMessage()); 15247 return; 15248 } 15249 } 15250 15251 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15252 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15253 systemApp = (ps.pkg.applicationInfo.flags & 15254 ApplicationInfo.FLAG_SYSTEM) != 0; 15255 } 15256 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15257 } 15258 15259 // Check whether the newly-scanned package wants to define an already-defined perm 15260 int N = pkg.permissions.size(); 15261 for (int i = N-1; i >= 0; i--) { 15262 PackageParser.Permission perm = pkg.permissions.get(i); 15263 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15264 if (bp != null) { 15265 // If the defining package is signed with our cert, it's okay. This 15266 // also includes the "updating the same package" case, of course. 15267 // "updating same package" could also involve key-rotation. 15268 final boolean sigsOk; 15269 if (bp.sourcePackage.equals(pkg.packageName) 15270 && (bp.packageSetting instanceof PackageSetting) 15271 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15272 scanFlags))) { 15273 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15274 } else { 15275 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15276 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15277 } 15278 if (!sigsOk) { 15279 // If the owning package is the system itself, we log but allow 15280 // install to proceed; we fail the install on all other permission 15281 // redefinitions. 15282 if (!bp.sourcePackage.equals("android")) { 15283 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15284 + pkg.packageName + " attempting to redeclare permission " 15285 + perm.info.name + " already owned by " + bp.sourcePackage); 15286 res.origPermission = perm.info.name; 15287 res.origPackage = bp.sourcePackage; 15288 return; 15289 } else { 15290 Slog.w(TAG, "Package " + pkg.packageName 15291 + " attempting to redeclare system permission " 15292 + perm.info.name + "; ignoring new declaration"); 15293 pkg.permissions.remove(i); 15294 } 15295 } 15296 } 15297 } 15298 } 15299 15300 if (systemApp) { 15301 if (onExternal) { 15302 // Abort update; system app can't be replaced with app on sdcard 15303 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15304 "Cannot install updates to system apps on sdcard"); 15305 return; 15306 } else if (ephemeral) { 15307 // Abort update; system app can't be replaced with an ephemeral app 15308 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15309 "Cannot update a system app with an ephemeral app"); 15310 return; 15311 } 15312 } 15313 15314 if (args.move != null) { 15315 // We did an in-place move, so dex is ready to roll 15316 scanFlags |= SCAN_NO_DEX; 15317 scanFlags |= SCAN_MOVE; 15318 15319 synchronized (mPackages) { 15320 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15321 if (ps == null) { 15322 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15323 "Missing settings for moved package " + pkgName); 15324 } 15325 15326 // We moved the entire application as-is, so bring over the 15327 // previously derived ABI information. 15328 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15329 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15330 } 15331 15332 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15333 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15334 scanFlags |= SCAN_NO_DEX; 15335 15336 try { 15337 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15338 args.abiOverride : pkg.cpuAbiOverride); 15339 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15340 true /*extractLibs*/, mAppLib32InstallDir); 15341 } catch (PackageManagerException pme) { 15342 Slog.e(TAG, "Error deriving application ABI", pme); 15343 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15344 return; 15345 } 15346 15347 // Shared libraries for the package need to be updated. 15348 synchronized (mPackages) { 15349 try { 15350 updateSharedLibrariesLPr(pkg, null); 15351 } catch (PackageManagerException e) { 15352 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15353 } 15354 } 15355 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15356 // Do not run PackageDexOptimizer through the local performDexOpt 15357 // method because `pkg` may not be in `mPackages` yet. 15358 // 15359 // Also, don't fail application installs if the dexopt step fails. 15360 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15361 null /* instructionSets */, false /* checkProfiles */, 15362 getCompilerFilterForReason(REASON_INSTALL), 15363 getOrCreateCompilerPackageStats(pkg)); 15364 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15365 15366 // Notify BackgroundDexOptService that the package has been changed. 15367 // If this is an update of a package which used to fail to compile, 15368 // BDOS will remove it from its blacklist. 15369 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15370 } 15371 15372 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15373 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15374 return; 15375 } 15376 15377 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15378 15379 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15380 "installPackageLI")) { 15381 if (replace) { 15382 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15383 installerPackageName, res); 15384 } else { 15385 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15386 args.user, installerPackageName, volumeUuid, res); 15387 } 15388 } 15389 synchronized (mPackages) { 15390 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15391 if (ps != null) { 15392 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15393 } 15394 15395 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15396 for (int i = 0; i < childCount; i++) { 15397 PackageParser.Package childPkg = pkg.childPackages.get(i); 15398 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15399 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15400 if (childPs != null) { 15401 childRes.newUsers = childPs.queryInstalledUsers( 15402 sUserManager.getUserIds(), true); 15403 } 15404 } 15405 } 15406 } 15407 15408 private void startIntentFilterVerifications(int userId, boolean replacing, 15409 PackageParser.Package pkg) { 15410 if (mIntentFilterVerifierComponent == null) { 15411 Slog.w(TAG, "No IntentFilter verification will not be done as " 15412 + "there is no IntentFilterVerifier available!"); 15413 return; 15414 } 15415 15416 final int verifierUid = getPackageUid( 15417 mIntentFilterVerifierComponent.getPackageName(), 15418 MATCH_DEBUG_TRIAGED_MISSING, 15419 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15420 15421 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15422 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15423 mHandler.sendMessage(msg); 15424 15425 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15426 for (int i = 0; i < childCount; i++) { 15427 PackageParser.Package childPkg = pkg.childPackages.get(i); 15428 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15429 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15430 mHandler.sendMessage(msg); 15431 } 15432 } 15433 15434 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15435 PackageParser.Package pkg) { 15436 int size = pkg.activities.size(); 15437 if (size == 0) { 15438 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15439 "No activity, so no need to verify any IntentFilter!"); 15440 return; 15441 } 15442 15443 final boolean hasDomainURLs = hasDomainURLs(pkg); 15444 if (!hasDomainURLs) { 15445 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15446 "No domain URLs, so no need to verify any IntentFilter!"); 15447 return; 15448 } 15449 15450 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15451 + " if any IntentFilter from the " + size 15452 + " Activities needs verification ..."); 15453 15454 int count = 0; 15455 final String packageName = pkg.packageName; 15456 15457 synchronized (mPackages) { 15458 // If this is a new install and we see that we've already run verification for this 15459 // package, we have nothing to do: it means the state was restored from backup. 15460 if (!replacing) { 15461 IntentFilterVerificationInfo ivi = 15462 mSettings.getIntentFilterVerificationLPr(packageName); 15463 if (ivi != null) { 15464 if (DEBUG_DOMAIN_VERIFICATION) { 15465 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15466 + ivi.getStatusString()); 15467 } 15468 return; 15469 } 15470 } 15471 15472 // If any filters need to be verified, then all need to be. 15473 boolean needToVerify = false; 15474 for (PackageParser.Activity a : pkg.activities) { 15475 for (ActivityIntentInfo filter : a.intents) { 15476 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15477 if (DEBUG_DOMAIN_VERIFICATION) { 15478 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15479 } 15480 needToVerify = true; 15481 break; 15482 } 15483 } 15484 } 15485 15486 if (needToVerify) { 15487 final int verificationId = mIntentFilterVerificationToken++; 15488 for (PackageParser.Activity a : pkg.activities) { 15489 for (ActivityIntentInfo filter : a.intents) { 15490 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15491 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15492 "Verification needed for IntentFilter:" + filter.toString()); 15493 mIntentFilterVerifier.addOneIntentFilterVerification( 15494 verifierUid, userId, verificationId, filter, packageName); 15495 count++; 15496 } 15497 } 15498 } 15499 } 15500 } 15501 15502 if (count > 0) { 15503 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15504 + " IntentFilter verification" + (count > 1 ? "s" : "") 15505 + " for userId:" + userId); 15506 mIntentFilterVerifier.startVerifications(userId); 15507 } else { 15508 if (DEBUG_DOMAIN_VERIFICATION) { 15509 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15510 } 15511 } 15512 } 15513 15514 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15515 final ComponentName cn = filter.activity.getComponentName(); 15516 final String packageName = cn.getPackageName(); 15517 15518 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15519 packageName); 15520 if (ivi == null) { 15521 return true; 15522 } 15523 int status = ivi.getStatus(); 15524 switch (status) { 15525 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15526 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15527 return true; 15528 15529 default: 15530 // Nothing to do 15531 return false; 15532 } 15533 } 15534 15535 private static boolean isMultiArch(ApplicationInfo info) { 15536 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15537 } 15538 15539 private static boolean isExternal(PackageParser.Package pkg) { 15540 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15541 } 15542 15543 private static boolean isExternal(PackageSetting ps) { 15544 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15545 } 15546 15547 private static boolean isEphemeral(PackageParser.Package pkg) { 15548 return pkg.applicationInfo.isEphemeralApp(); 15549 } 15550 15551 private static boolean isEphemeral(PackageSetting ps) { 15552 return ps.pkg != null && isEphemeral(ps.pkg); 15553 } 15554 15555 private static boolean isSystemApp(PackageParser.Package pkg) { 15556 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15557 } 15558 15559 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15560 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15561 } 15562 15563 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15564 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15565 } 15566 15567 private static boolean isSystemApp(PackageSetting ps) { 15568 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15569 } 15570 15571 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15572 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15573 } 15574 15575 private int packageFlagsToInstallFlags(PackageSetting ps) { 15576 int installFlags = 0; 15577 if (isEphemeral(ps)) { 15578 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15579 } 15580 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15581 // This existing package was an external ASEC install when we have 15582 // the external flag without a UUID 15583 installFlags |= PackageManager.INSTALL_EXTERNAL; 15584 } 15585 if (ps.isForwardLocked()) { 15586 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15587 } 15588 return installFlags; 15589 } 15590 15591 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15592 if (isExternal(pkg)) { 15593 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15594 return StorageManager.UUID_PRIMARY_PHYSICAL; 15595 } else { 15596 return pkg.volumeUuid; 15597 } 15598 } else { 15599 return StorageManager.UUID_PRIVATE_INTERNAL; 15600 } 15601 } 15602 15603 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15604 if (isExternal(pkg)) { 15605 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15606 return mSettings.getExternalVersion(); 15607 } else { 15608 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15609 } 15610 } else { 15611 return mSettings.getInternalVersion(); 15612 } 15613 } 15614 15615 private void deleteTempPackageFiles() { 15616 final FilenameFilter filter = new FilenameFilter() { 15617 public boolean accept(File dir, String name) { 15618 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15619 } 15620 }; 15621 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15622 file.delete(); 15623 } 15624 } 15625 15626 @Override 15627 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15628 int flags) { 15629 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15630 flags); 15631 } 15632 15633 @Override 15634 public void deletePackage(final String packageName, 15635 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15636 mContext.enforceCallingOrSelfPermission( 15637 android.Manifest.permission.DELETE_PACKAGES, null); 15638 Preconditions.checkNotNull(packageName); 15639 Preconditions.checkNotNull(observer); 15640 final int uid = Binder.getCallingUid(); 15641 if (!isOrphaned(packageName) 15642 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 15643 try { 15644 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 15645 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 15646 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 15647 observer.onUserActionRequired(intent); 15648 } catch (RemoteException re) { 15649 } 15650 return; 15651 } 15652 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15653 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15654 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15655 mContext.enforceCallingOrSelfPermission( 15656 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15657 "deletePackage for user " + userId); 15658 } 15659 15660 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15661 try { 15662 observer.onPackageDeleted(packageName, 15663 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15664 } catch (RemoteException re) { 15665 } 15666 return; 15667 } 15668 15669 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15670 try { 15671 observer.onPackageDeleted(packageName, 15672 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15673 } catch (RemoteException re) { 15674 } 15675 return; 15676 } 15677 15678 if (DEBUG_REMOVE) { 15679 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15680 + " deleteAllUsers: " + deleteAllUsers ); 15681 } 15682 // Queue up an async operation since the package deletion may take a little while. 15683 mHandler.post(new Runnable() { 15684 public void run() { 15685 mHandler.removeCallbacks(this); 15686 int returnCode; 15687 if (!deleteAllUsers) { 15688 returnCode = deletePackageX(packageName, userId, deleteFlags); 15689 } else { 15690 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15691 // If nobody is blocking uninstall, proceed with delete for all users 15692 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15693 returnCode = deletePackageX(packageName, userId, deleteFlags); 15694 } else { 15695 // Otherwise uninstall individually for users with blockUninstalls=false 15696 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15697 for (int userId : users) { 15698 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15699 returnCode = deletePackageX(packageName, userId, userFlags); 15700 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15701 Slog.w(TAG, "Package delete failed for user " + userId 15702 + ", returnCode " + returnCode); 15703 } 15704 } 15705 } 15706 // The app has only been marked uninstalled for certain users. 15707 // We still need to report that delete was blocked 15708 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15709 } 15710 } 15711 try { 15712 observer.onPackageDeleted(packageName, returnCode, null); 15713 } catch (RemoteException e) { 15714 Log.i(TAG, "Observer no longer exists."); 15715 } //end catch 15716 } //end run 15717 }); 15718 } 15719 15720 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 15721 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 15722 || callingUid == Process.SYSTEM_UID) { 15723 return true; 15724 } 15725 final int callingUserId = UserHandle.getUserId(callingUid); 15726 // If the caller installed the pkgName, then allow it to silently uninstall. 15727 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 15728 return true; 15729 } 15730 15731 // Allow package verifier to silently uninstall. 15732 if (mRequiredVerifierPackage != null && 15733 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 15734 return true; 15735 } 15736 15737 // Allow package uninstaller to silently uninstall. 15738 if (mRequiredUninstallerPackage != null && 15739 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 15740 return true; 15741 } 15742 15743 // Allow storage manager to silently uninstall. 15744 if (mStorageManagerPackage != null && 15745 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 15746 return true; 15747 } 15748 return false; 15749 } 15750 15751 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15752 int[] result = EMPTY_INT_ARRAY; 15753 for (int userId : userIds) { 15754 if (getBlockUninstallForUser(packageName, userId)) { 15755 result = ArrayUtils.appendInt(result, userId); 15756 } 15757 } 15758 return result; 15759 } 15760 15761 @Override 15762 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15763 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15764 } 15765 15766 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15767 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15768 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15769 try { 15770 if (dpm != null) { 15771 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15772 /* callingUserOnly =*/ false); 15773 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15774 : deviceOwnerComponentName.getPackageName(); 15775 // Does the package contains the device owner? 15776 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15777 // this check is probably not needed, since DO should be registered as a device 15778 // admin on some user too. (Original bug for this: b/17657954) 15779 if (packageName.equals(deviceOwnerPackageName)) { 15780 return true; 15781 } 15782 // Does it contain a device admin for any user? 15783 int[] users; 15784 if (userId == UserHandle.USER_ALL) { 15785 users = sUserManager.getUserIds(); 15786 } else { 15787 users = new int[]{userId}; 15788 } 15789 for (int i = 0; i < users.length; ++i) { 15790 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15791 return true; 15792 } 15793 } 15794 } 15795 } catch (RemoteException e) { 15796 } 15797 return false; 15798 } 15799 15800 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15801 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15802 } 15803 15804 /** 15805 * This method is an internal method that could be get invoked either 15806 * to delete an installed package or to clean up a failed installation. 15807 * After deleting an installed package, a broadcast is sent to notify any 15808 * listeners that the package has been removed. For cleaning up a failed 15809 * installation, the broadcast is not necessary since the package's 15810 * installation wouldn't have sent the initial broadcast either 15811 * The key steps in deleting a package are 15812 * deleting the package information in internal structures like mPackages, 15813 * deleting the packages base directories through installd 15814 * updating mSettings to reflect current status 15815 * persisting settings for later use 15816 * sending a broadcast if necessary 15817 */ 15818 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15819 final PackageRemovedInfo info = new PackageRemovedInfo(); 15820 final boolean res; 15821 15822 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15823 ? UserHandle.USER_ALL : userId; 15824 15825 if (isPackageDeviceAdmin(packageName, removeUser)) { 15826 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15827 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15828 } 15829 15830 PackageSetting uninstalledPs = null; 15831 15832 // for the uninstall-updates case and restricted profiles, remember the per- 15833 // user handle installed state 15834 int[] allUsers; 15835 synchronized (mPackages) { 15836 uninstalledPs = mSettings.mPackages.get(packageName); 15837 if (uninstalledPs == null) { 15838 Slog.w(TAG, "Not removing non-existent package " + packageName); 15839 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15840 } 15841 allUsers = sUserManager.getUserIds(); 15842 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15843 } 15844 15845 final int freezeUser; 15846 if (isUpdatedSystemApp(uninstalledPs) 15847 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15848 // We're downgrading a system app, which will apply to all users, so 15849 // freeze them all during the downgrade 15850 freezeUser = UserHandle.USER_ALL; 15851 } else { 15852 freezeUser = removeUser; 15853 } 15854 15855 synchronized (mInstallLock) { 15856 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15857 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15858 deleteFlags, "deletePackageX")) { 15859 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15860 deleteFlags | REMOVE_CHATTY, info, true, null); 15861 } 15862 synchronized (mPackages) { 15863 if (res) { 15864 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15865 } 15866 } 15867 } 15868 15869 if (res) { 15870 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15871 info.sendPackageRemovedBroadcasts(killApp); 15872 info.sendSystemPackageUpdatedBroadcasts(); 15873 info.sendSystemPackageAppearedBroadcasts(); 15874 } 15875 // Force a gc here. 15876 Runtime.getRuntime().gc(); 15877 // Delete the resources here after sending the broadcast to let 15878 // other processes clean up before deleting resources. 15879 if (info.args != null) { 15880 synchronized (mInstallLock) { 15881 info.args.doPostDeleteLI(true); 15882 } 15883 } 15884 15885 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15886 } 15887 15888 class PackageRemovedInfo { 15889 String removedPackage; 15890 int uid = -1; 15891 int removedAppId = -1; 15892 int[] origUsers; 15893 int[] removedUsers = null; 15894 boolean isRemovedPackageSystemUpdate = false; 15895 boolean isUpdate; 15896 boolean dataRemoved; 15897 boolean removedForAllUsers; 15898 // Clean up resources deleted packages. 15899 InstallArgs args = null; 15900 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15901 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15902 15903 void sendPackageRemovedBroadcasts(boolean killApp) { 15904 sendPackageRemovedBroadcastInternal(killApp); 15905 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15906 for (int i = 0; i < childCount; i++) { 15907 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15908 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15909 } 15910 } 15911 15912 void sendSystemPackageUpdatedBroadcasts() { 15913 if (isRemovedPackageSystemUpdate) { 15914 sendSystemPackageUpdatedBroadcastsInternal(); 15915 final int childCount = (removedChildPackages != null) 15916 ? removedChildPackages.size() : 0; 15917 for (int i = 0; i < childCount; i++) { 15918 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15919 if (childInfo.isRemovedPackageSystemUpdate) { 15920 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15921 } 15922 } 15923 } 15924 } 15925 15926 void sendSystemPackageAppearedBroadcasts() { 15927 final int packageCount = (appearedChildPackages != null) 15928 ? appearedChildPackages.size() : 0; 15929 for (int i = 0; i < packageCount; i++) { 15930 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15931 for (int userId : installedInfo.newUsers) { 15932 sendPackageAddedForUser(installedInfo.name, true, 15933 UserHandle.getAppId(installedInfo.uid), userId); 15934 } 15935 } 15936 } 15937 15938 private void sendSystemPackageUpdatedBroadcastsInternal() { 15939 Bundle extras = new Bundle(2); 15940 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15941 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15942 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15943 extras, 0, null, null, null); 15944 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15945 extras, 0, null, null, null); 15946 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15947 null, 0, removedPackage, null, null); 15948 } 15949 15950 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15951 Bundle extras = new Bundle(2); 15952 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15953 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15954 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15955 if (isUpdate || isRemovedPackageSystemUpdate) { 15956 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15957 } 15958 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15959 if (removedPackage != null) { 15960 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15961 extras, 0, null, null, removedUsers); 15962 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15963 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15964 removedPackage, extras, 0, null, null, removedUsers); 15965 } 15966 } 15967 if (removedAppId >= 0) { 15968 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15969 removedUsers); 15970 } 15971 } 15972 } 15973 15974 /* 15975 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15976 * flag is not set, the data directory is removed as well. 15977 * make sure this flag is set for partially installed apps. If not its meaningless to 15978 * delete a partially installed application. 15979 */ 15980 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15981 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15982 String packageName = ps.name; 15983 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15984 // Retrieve object to delete permissions for shared user later on 15985 final PackageParser.Package deletedPkg; 15986 final PackageSetting deletedPs; 15987 // reader 15988 synchronized (mPackages) { 15989 deletedPkg = mPackages.get(packageName); 15990 deletedPs = mSettings.mPackages.get(packageName); 15991 if (outInfo != null) { 15992 outInfo.removedPackage = packageName; 15993 outInfo.removedUsers = deletedPs != null 15994 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15995 : null; 15996 } 15997 } 15998 15999 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 16000 16001 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 16002 final PackageParser.Package resolvedPkg; 16003 if (deletedPkg != null) { 16004 resolvedPkg = deletedPkg; 16005 } else { 16006 // We don't have a parsed package when it lives on an ejected 16007 // adopted storage device, so fake something together 16008 resolvedPkg = new PackageParser.Package(ps.name); 16009 resolvedPkg.setVolumeUuid(ps.volumeUuid); 16010 } 16011 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 16012 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16013 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 16014 if (outInfo != null) { 16015 outInfo.dataRemoved = true; 16016 } 16017 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 16018 } 16019 16020 // writer 16021 synchronized (mPackages) { 16022 if (deletedPs != null) { 16023 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 16024 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 16025 clearDefaultBrowserIfNeeded(packageName); 16026 if (outInfo != null) { 16027 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 16028 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 16029 } 16030 updatePermissionsLPw(deletedPs.name, null, 0); 16031 if (deletedPs.sharedUser != null) { 16032 // Remove permissions associated with package. Since runtime 16033 // permissions are per user we have to kill the removed package 16034 // or packages running under the shared user of the removed 16035 // package if revoking the permissions requested only by the removed 16036 // package is successful and this causes a change in gids. 16037 for (int userId : UserManagerService.getInstance().getUserIds()) { 16038 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 16039 userId); 16040 if (userIdToKill == UserHandle.USER_ALL 16041 || userIdToKill >= UserHandle.USER_SYSTEM) { 16042 // If gids changed for this user, kill all affected packages. 16043 mHandler.post(new Runnable() { 16044 @Override 16045 public void run() { 16046 // This has to happen with no lock held. 16047 killApplication(deletedPs.name, deletedPs.appId, 16048 KILL_APP_REASON_GIDS_CHANGED); 16049 } 16050 }); 16051 break; 16052 } 16053 } 16054 } 16055 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 16056 } 16057 // make sure to preserve per-user disabled state if this removal was just 16058 // a downgrade of a system app to the factory package 16059 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 16060 if (DEBUG_REMOVE) { 16061 Slog.d(TAG, "Propagating install state across downgrade"); 16062 } 16063 for (int userId : allUserHandles) { 16064 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16065 if (DEBUG_REMOVE) { 16066 Slog.d(TAG, " user " + userId + " => " + installed); 16067 } 16068 ps.setInstalled(installed, userId); 16069 } 16070 } 16071 } 16072 // can downgrade to reader 16073 if (writeSettings) { 16074 // Save settings now 16075 mSettings.writeLPr(); 16076 } 16077 } 16078 if (outInfo != null) { 16079 // A user ID was deleted here. Go through all users and remove it 16080 // from KeyStore. 16081 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 16082 } 16083 } 16084 16085 static boolean locationIsPrivileged(File path) { 16086 try { 16087 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 16088 .getCanonicalPath(); 16089 return path.getCanonicalPath().startsWith(privilegedAppDir); 16090 } catch (IOException e) { 16091 Slog.e(TAG, "Unable to access code path " + path); 16092 } 16093 return false; 16094 } 16095 16096 /* 16097 * Tries to delete system package. 16098 */ 16099 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 16100 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 16101 boolean writeSettings) { 16102 if (deletedPs.parentPackageName != null) { 16103 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 16104 return false; 16105 } 16106 16107 final boolean applyUserRestrictions 16108 = (allUserHandles != null) && (outInfo.origUsers != null); 16109 final PackageSetting disabledPs; 16110 // Confirm if the system package has been updated 16111 // An updated system app can be deleted. This will also have to restore 16112 // the system pkg from system partition 16113 // reader 16114 synchronized (mPackages) { 16115 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 16116 } 16117 16118 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 16119 + " disabledPs=" + disabledPs); 16120 16121 if (disabledPs == null) { 16122 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 16123 return false; 16124 } else if (DEBUG_REMOVE) { 16125 Slog.d(TAG, "Deleting system pkg from data partition"); 16126 } 16127 16128 if (DEBUG_REMOVE) { 16129 if (applyUserRestrictions) { 16130 Slog.d(TAG, "Remembering install states:"); 16131 for (int userId : allUserHandles) { 16132 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 16133 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 16134 } 16135 } 16136 } 16137 16138 // Delete the updated package 16139 outInfo.isRemovedPackageSystemUpdate = true; 16140 if (outInfo.removedChildPackages != null) { 16141 final int childCount = (deletedPs.childPackageNames != null) 16142 ? deletedPs.childPackageNames.size() : 0; 16143 for (int i = 0; i < childCount; i++) { 16144 String childPackageName = deletedPs.childPackageNames.get(i); 16145 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 16146 .contains(childPackageName)) { 16147 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16148 childPackageName); 16149 if (childInfo != null) { 16150 childInfo.isRemovedPackageSystemUpdate = true; 16151 } 16152 } 16153 } 16154 } 16155 16156 if (disabledPs.versionCode < deletedPs.versionCode) { 16157 // Delete data for downgrades 16158 flags &= ~PackageManager.DELETE_KEEP_DATA; 16159 } else { 16160 // Preserve data by setting flag 16161 flags |= PackageManager.DELETE_KEEP_DATA; 16162 } 16163 16164 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 16165 outInfo, writeSettings, disabledPs.pkg); 16166 if (!ret) { 16167 return false; 16168 } 16169 16170 // writer 16171 synchronized (mPackages) { 16172 // Reinstate the old system package 16173 enableSystemPackageLPw(disabledPs.pkg); 16174 // Remove any native libraries from the upgraded package. 16175 removeNativeBinariesLI(deletedPs); 16176 } 16177 16178 // Install the system package 16179 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 16180 int parseFlags = mDefParseFlags 16181 | PackageParser.PARSE_MUST_BE_APK 16182 | PackageParser.PARSE_IS_SYSTEM 16183 | PackageParser.PARSE_IS_SYSTEM_DIR; 16184 if (locationIsPrivileged(disabledPs.codePath)) { 16185 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16186 } 16187 16188 final PackageParser.Package newPkg; 16189 try { 16190 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 16191 } catch (PackageManagerException e) { 16192 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16193 + e.getMessage()); 16194 return false; 16195 } 16196 try { 16197 // update shared libraries for the newly re-installed system package 16198 updateSharedLibrariesLPr(newPkg, null); 16199 } catch (PackageManagerException e) { 16200 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16201 } 16202 16203 prepareAppDataAfterInstallLIF(newPkg); 16204 16205 // writer 16206 synchronized (mPackages) { 16207 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16208 16209 // Propagate the permissions state as we do not want to drop on the floor 16210 // runtime permissions. The update permissions method below will take 16211 // care of removing obsolete permissions and grant install permissions. 16212 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16213 updatePermissionsLPw(newPkg.packageName, newPkg, 16214 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16215 16216 if (applyUserRestrictions) { 16217 if (DEBUG_REMOVE) { 16218 Slog.d(TAG, "Propagating install state across reinstall"); 16219 } 16220 for (int userId : allUserHandles) { 16221 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16222 if (DEBUG_REMOVE) { 16223 Slog.d(TAG, " user " + userId + " => " + installed); 16224 } 16225 ps.setInstalled(installed, userId); 16226 16227 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16228 } 16229 // Regardless of writeSettings we need to ensure that this restriction 16230 // state propagation is persisted 16231 mSettings.writeAllUsersPackageRestrictionsLPr(); 16232 } 16233 // can downgrade to reader here 16234 if (writeSettings) { 16235 mSettings.writeLPr(); 16236 } 16237 } 16238 return true; 16239 } 16240 16241 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16242 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16243 PackageRemovedInfo outInfo, boolean writeSettings, 16244 PackageParser.Package replacingPackage) { 16245 synchronized (mPackages) { 16246 if (outInfo != null) { 16247 outInfo.uid = ps.appId; 16248 } 16249 16250 if (outInfo != null && outInfo.removedChildPackages != null) { 16251 final int childCount = (ps.childPackageNames != null) 16252 ? ps.childPackageNames.size() : 0; 16253 for (int i = 0; i < childCount; i++) { 16254 String childPackageName = ps.childPackageNames.get(i); 16255 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16256 if (childPs == null) { 16257 return false; 16258 } 16259 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16260 childPackageName); 16261 if (childInfo != null) { 16262 childInfo.uid = childPs.appId; 16263 } 16264 } 16265 } 16266 } 16267 16268 // Delete package data from internal structures and also remove data if flag is set 16269 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16270 16271 // Delete the child packages data 16272 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16273 for (int i = 0; i < childCount; i++) { 16274 PackageSetting childPs; 16275 synchronized (mPackages) { 16276 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16277 } 16278 if (childPs != null) { 16279 PackageRemovedInfo childOutInfo = (outInfo != null 16280 && outInfo.removedChildPackages != null) 16281 ? outInfo.removedChildPackages.get(childPs.name) : null; 16282 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16283 && (replacingPackage != null 16284 && !replacingPackage.hasChildPackage(childPs.name)) 16285 ? flags & ~DELETE_KEEP_DATA : flags; 16286 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16287 deleteFlags, writeSettings); 16288 } 16289 } 16290 16291 // Delete application code and resources only for parent packages 16292 if (ps.parentPackageName == null) { 16293 if (deleteCodeAndResources && (outInfo != null)) { 16294 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16295 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16296 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16297 } 16298 } 16299 16300 return true; 16301 } 16302 16303 @Override 16304 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16305 int userId) { 16306 mContext.enforceCallingOrSelfPermission( 16307 android.Manifest.permission.DELETE_PACKAGES, null); 16308 synchronized (mPackages) { 16309 PackageSetting ps = mSettings.mPackages.get(packageName); 16310 if (ps == null) { 16311 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16312 return false; 16313 } 16314 if (!ps.getInstalled(userId)) { 16315 // Can't block uninstall for an app that is not installed or enabled. 16316 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16317 return false; 16318 } 16319 ps.setBlockUninstall(blockUninstall, userId); 16320 mSettings.writePackageRestrictionsLPr(userId); 16321 } 16322 return true; 16323 } 16324 16325 @Override 16326 public boolean getBlockUninstallForUser(String packageName, int userId) { 16327 synchronized (mPackages) { 16328 PackageSetting ps = mSettings.mPackages.get(packageName); 16329 if (ps == null) { 16330 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16331 return false; 16332 } 16333 return ps.getBlockUninstall(userId); 16334 } 16335 } 16336 16337 @Override 16338 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16339 int callingUid = Binder.getCallingUid(); 16340 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16341 throw new SecurityException( 16342 "setRequiredForSystemUser can only be run by the system or root"); 16343 } 16344 synchronized (mPackages) { 16345 PackageSetting ps = mSettings.mPackages.get(packageName); 16346 if (ps == null) { 16347 Log.w(TAG, "Package doesn't exist: " + packageName); 16348 return false; 16349 } 16350 if (systemUserApp) { 16351 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16352 } else { 16353 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16354 } 16355 mSettings.writeLPr(); 16356 } 16357 return true; 16358 } 16359 16360 /* 16361 * This method handles package deletion in general 16362 */ 16363 private boolean deletePackageLIF(String packageName, UserHandle user, 16364 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16365 PackageRemovedInfo outInfo, boolean writeSettings, 16366 PackageParser.Package replacingPackage) { 16367 if (packageName == null) { 16368 Slog.w(TAG, "Attempt to delete null packageName."); 16369 return false; 16370 } 16371 16372 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16373 16374 PackageSetting ps; 16375 16376 synchronized (mPackages) { 16377 ps = mSettings.mPackages.get(packageName); 16378 if (ps == null) { 16379 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16380 return false; 16381 } 16382 16383 if (ps.parentPackageName != null && (!isSystemApp(ps) 16384 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16385 if (DEBUG_REMOVE) { 16386 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16387 + ((user == null) ? UserHandle.USER_ALL : user)); 16388 } 16389 final int removedUserId = (user != null) ? user.getIdentifier() 16390 : UserHandle.USER_ALL; 16391 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16392 return false; 16393 } 16394 markPackageUninstalledForUserLPw(ps, user); 16395 scheduleWritePackageRestrictionsLocked(user); 16396 return true; 16397 } 16398 } 16399 16400 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16401 && user.getIdentifier() != UserHandle.USER_ALL)) { 16402 // The caller is asking that the package only be deleted for a single 16403 // user. To do this, we just mark its uninstalled state and delete 16404 // its data. If this is a system app, we only allow this to happen if 16405 // they have set the special DELETE_SYSTEM_APP which requests different 16406 // semantics than normal for uninstalling system apps. 16407 markPackageUninstalledForUserLPw(ps, user); 16408 16409 if (!isSystemApp(ps)) { 16410 // Do not uninstall the APK if an app should be cached 16411 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16412 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16413 // Other user still have this package installed, so all 16414 // we need to do is clear this user's data and save that 16415 // it is uninstalled. 16416 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16417 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16418 return false; 16419 } 16420 scheduleWritePackageRestrictionsLocked(user); 16421 return true; 16422 } else { 16423 // We need to set it back to 'installed' so the uninstall 16424 // broadcasts will be sent correctly. 16425 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16426 ps.setInstalled(true, user.getIdentifier()); 16427 } 16428 } else { 16429 // This is a system app, so we assume that the 16430 // other users still have this package installed, so all 16431 // we need to do is clear this user's data and save that 16432 // it is uninstalled. 16433 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16434 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16435 return false; 16436 } 16437 scheduleWritePackageRestrictionsLocked(user); 16438 return true; 16439 } 16440 } 16441 16442 // If we are deleting a composite package for all users, keep track 16443 // of result for each child. 16444 if (ps.childPackageNames != null && outInfo != null) { 16445 synchronized (mPackages) { 16446 final int childCount = ps.childPackageNames.size(); 16447 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16448 for (int i = 0; i < childCount; i++) { 16449 String childPackageName = ps.childPackageNames.get(i); 16450 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16451 childInfo.removedPackage = childPackageName; 16452 outInfo.removedChildPackages.put(childPackageName, childInfo); 16453 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 16454 if (childPs != null) { 16455 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16456 } 16457 } 16458 } 16459 } 16460 16461 boolean ret = false; 16462 if (isSystemApp(ps)) { 16463 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16464 // When an updated system application is deleted we delete the existing resources 16465 // as well and fall back to existing code in system partition 16466 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16467 } else { 16468 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16469 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16470 outInfo, writeSettings, replacingPackage); 16471 } 16472 16473 // Take a note whether we deleted the package for all users 16474 if (outInfo != null) { 16475 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16476 if (outInfo.removedChildPackages != null) { 16477 synchronized (mPackages) { 16478 final int childCount = outInfo.removedChildPackages.size(); 16479 for (int i = 0; i < childCount; i++) { 16480 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16481 if (childInfo != null) { 16482 childInfo.removedForAllUsers = mPackages.get( 16483 childInfo.removedPackage) == null; 16484 } 16485 } 16486 } 16487 } 16488 // If we uninstalled an update to a system app there may be some 16489 // child packages that appeared as they are declared in the system 16490 // app but were not declared in the update. 16491 if (isSystemApp(ps)) { 16492 synchronized (mPackages) { 16493 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 16494 final int childCount = (updatedPs.childPackageNames != null) 16495 ? updatedPs.childPackageNames.size() : 0; 16496 for (int i = 0; i < childCount; i++) { 16497 String childPackageName = updatedPs.childPackageNames.get(i); 16498 if (outInfo.removedChildPackages == null 16499 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16500 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 16501 if (childPs == null) { 16502 continue; 16503 } 16504 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16505 installRes.name = childPackageName; 16506 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16507 installRes.pkg = mPackages.get(childPackageName); 16508 installRes.uid = childPs.pkg.applicationInfo.uid; 16509 if (outInfo.appearedChildPackages == null) { 16510 outInfo.appearedChildPackages = new ArrayMap<>(); 16511 } 16512 outInfo.appearedChildPackages.put(childPackageName, installRes); 16513 } 16514 } 16515 } 16516 } 16517 } 16518 16519 return ret; 16520 } 16521 16522 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16523 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16524 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16525 for (int nextUserId : userIds) { 16526 if (DEBUG_REMOVE) { 16527 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16528 } 16529 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16530 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16531 false /*hidden*/, false /*suspended*/, null, null, null, 16532 false /*blockUninstall*/, 16533 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16534 } 16535 } 16536 16537 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16538 PackageRemovedInfo outInfo) { 16539 final PackageParser.Package pkg; 16540 synchronized (mPackages) { 16541 pkg = mPackages.get(ps.name); 16542 } 16543 16544 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16545 : new int[] {userId}; 16546 for (int nextUserId : userIds) { 16547 if (DEBUG_REMOVE) { 16548 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16549 + nextUserId); 16550 } 16551 16552 destroyAppDataLIF(pkg, userId, 16553 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16554 destroyAppProfilesLIF(pkg, userId); 16555 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16556 schedulePackageCleaning(ps.name, nextUserId, false); 16557 synchronized (mPackages) { 16558 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16559 scheduleWritePackageRestrictionsLocked(nextUserId); 16560 } 16561 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16562 } 16563 } 16564 16565 if (outInfo != null) { 16566 outInfo.removedPackage = ps.name; 16567 outInfo.removedAppId = ps.appId; 16568 outInfo.removedUsers = userIds; 16569 } 16570 16571 return true; 16572 } 16573 16574 private final class ClearStorageConnection implements ServiceConnection { 16575 IMediaContainerService mContainerService; 16576 16577 @Override 16578 public void onServiceConnected(ComponentName name, IBinder service) { 16579 synchronized (this) { 16580 mContainerService = IMediaContainerService.Stub.asInterface(service); 16581 notifyAll(); 16582 } 16583 } 16584 16585 @Override 16586 public void onServiceDisconnected(ComponentName name) { 16587 } 16588 } 16589 16590 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16591 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16592 16593 final boolean mounted; 16594 if (Environment.isExternalStorageEmulated()) { 16595 mounted = true; 16596 } else { 16597 final String status = Environment.getExternalStorageState(); 16598 16599 mounted = status.equals(Environment.MEDIA_MOUNTED) 16600 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16601 } 16602 16603 if (!mounted) { 16604 return; 16605 } 16606 16607 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16608 int[] users; 16609 if (userId == UserHandle.USER_ALL) { 16610 users = sUserManager.getUserIds(); 16611 } else { 16612 users = new int[] { userId }; 16613 } 16614 final ClearStorageConnection conn = new ClearStorageConnection(); 16615 if (mContext.bindServiceAsUser( 16616 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16617 try { 16618 for (int curUser : users) { 16619 long timeout = SystemClock.uptimeMillis() + 5000; 16620 synchronized (conn) { 16621 long now; 16622 while (conn.mContainerService == null && 16623 (now = SystemClock.uptimeMillis()) < timeout) { 16624 try { 16625 conn.wait(timeout - now); 16626 } catch (InterruptedException e) { 16627 } 16628 } 16629 } 16630 if (conn.mContainerService == null) { 16631 return; 16632 } 16633 16634 final UserEnvironment userEnv = new UserEnvironment(curUser); 16635 clearDirectory(conn.mContainerService, 16636 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16637 if (allData) { 16638 clearDirectory(conn.mContainerService, 16639 userEnv.buildExternalStorageAppDataDirs(packageName)); 16640 clearDirectory(conn.mContainerService, 16641 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16642 } 16643 } 16644 } finally { 16645 mContext.unbindService(conn); 16646 } 16647 } 16648 } 16649 16650 @Override 16651 public void clearApplicationProfileData(String packageName) { 16652 enforceSystemOrRoot("Only the system can clear all profile data"); 16653 16654 final PackageParser.Package pkg; 16655 synchronized (mPackages) { 16656 pkg = mPackages.get(packageName); 16657 } 16658 16659 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16660 synchronized (mInstallLock) { 16661 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16662 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16663 true /* removeBaseMarker */); 16664 } 16665 } 16666 } 16667 16668 @Override 16669 public void clearApplicationUserData(final String packageName, 16670 final IPackageDataObserver observer, final int userId) { 16671 mContext.enforceCallingOrSelfPermission( 16672 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16673 16674 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16675 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16676 16677 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16678 throw new SecurityException("Cannot clear data for a protected package: " 16679 + packageName); 16680 } 16681 // Queue up an async operation since the package deletion may take a little while. 16682 mHandler.post(new Runnable() { 16683 public void run() { 16684 mHandler.removeCallbacks(this); 16685 final boolean succeeded; 16686 try (PackageFreezer freezer = freezePackage(packageName, 16687 "clearApplicationUserData")) { 16688 synchronized (mInstallLock) { 16689 succeeded = clearApplicationUserDataLIF(packageName, userId); 16690 } 16691 clearExternalStorageDataSync(packageName, userId, true); 16692 } 16693 if (succeeded) { 16694 // invoke DeviceStorageMonitor's update method to clear any notifications 16695 DeviceStorageMonitorInternal dsm = LocalServices 16696 .getService(DeviceStorageMonitorInternal.class); 16697 if (dsm != null) { 16698 dsm.checkMemory(); 16699 } 16700 } 16701 if(observer != null) { 16702 try { 16703 observer.onRemoveCompleted(packageName, succeeded); 16704 } catch (RemoteException e) { 16705 Log.i(TAG, "Observer no longer exists."); 16706 } 16707 } //end if observer 16708 } //end run 16709 }); 16710 } 16711 16712 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16713 if (packageName == null) { 16714 Slog.w(TAG, "Attempt to delete null packageName."); 16715 return false; 16716 } 16717 16718 // Try finding details about the requested package 16719 PackageParser.Package pkg; 16720 synchronized (mPackages) { 16721 pkg = mPackages.get(packageName); 16722 if (pkg == null) { 16723 final PackageSetting ps = mSettings.mPackages.get(packageName); 16724 if (ps != null) { 16725 pkg = ps.pkg; 16726 } 16727 } 16728 16729 if (pkg == null) { 16730 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16731 return false; 16732 } 16733 16734 PackageSetting ps = (PackageSetting) pkg.mExtras; 16735 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16736 } 16737 16738 clearAppDataLIF(pkg, userId, 16739 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16740 16741 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16742 removeKeystoreDataIfNeeded(userId, appId); 16743 16744 UserManagerInternal umInternal = getUserManagerInternal(); 16745 final int flags; 16746 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16747 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16748 } else if (umInternal.isUserRunning(userId)) { 16749 flags = StorageManager.FLAG_STORAGE_DE; 16750 } else { 16751 flags = 0; 16752 } 16753 prepareAppDataContentsLIF(pkg, userId, flags); 16754 16755 return true; 16756 } 16757 16758 /** 16759 * Reverts user permission state changes (permissions and flags) in 16760 * all packages for a given user. 16761 * 16762 * @param userId The device user for which to do a reset. 16763 */ 16764 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16765 final int packageCount = mPackages.size(); 16766 for (int i = 0; i < packageCount; i++) { 16767 PackageParser.Package pkg = mPackages.valueAt(i); 16768 PackageSetting ps = (PackageSetting) pkg.mExtras; 16769 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16770 } 16771 } 16772 16773 private void resetNetworkPolicies(int userId) { 16774 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16775 } 16776 16777 /** 16778 * Reverts user permission state changes (permissions and flags). 16779 * 16780 * @param ps The package for which to reset. 16781 * @param userId The device user for which to do a reset. 16782 */ 16783 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16784 final PackageSetting ps, final int userId) { 16785 if (ps.pkg == null) { 16786 return; 16787 } 16788 16789 // These are flags that can change base on user actions. 16790 final int userSettableMask = FLAG_PERMISSION_USER_SET 16791 | FLAG_PERMISSION_USER_FIXED 16792 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16793 | FLAG_PERMISSION_REVIEW_REQUIRED; 16794 16795 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16796 | FLAG_PERMISSION_POLICY_FIXED; 16797 16798 boolean writeInstallPermissions = false; 16799 boolean writeRuntimePermissions = false; 16800 16801 final int permissionCount = ps.pkg.requestedPermissions.size(); 16802 for (int i = 0; i < permissionCount; i++) { 16803 String permission = ps.pkg.requestedPermissions.get(i); 16804 16805 BasePermission bp = mSettings.mPermissions.get(permission); 16806 if (bp == null) { 16807 continue; 16808 } 16809 16810 // If shared user we just reset the state to which only this app contributed. 16811 if (ps.sharedUser != null) { 16812 boolean used = false; 16813 final int packageCount = ps.sharedUser.packages.size(); 16814 for (int j = 0; j < packageCount; j++) { 16815 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16816 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16817 && pkg.pkg.requestedPermissions.contains(permission)) { 16818 used = true; 16819 break; 16820 } 16821 } 16822 if (used) { 16823 continue; 16824 } 16825 } 16826 16827 PermissionsState permissionsState = ps.getPermissionsState(); 16828 16829 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16830 16831 // Always clear the user settable flags. 16832 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16833 bp.name) != null; 16834 // If permission review is enabled and this is a legacy app, mark the 16835 // permission as requiring a review as this is the initial state. 16836 int flags = 0; 16837 if (mPermissionReviewRequired 16838 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16839 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16840 } 16841 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16842 if (hasInstallState) { 16843 writeInstallPermissions = true; 16844 } else { 16845 writeRuntimePermissions = true; 16846 } 16847 } 16848 16849 // Below is only runtime permission handling. 16850 if (!bp.isRuntime()) { 16851 continue; 16852 } 16853 16854 // Never clobber system or policy. 16855 if ((oldFlags & policyOrSystemFlags) != 0) { 16856 continue; 16857 } 16858 16859 // If this permission was granted by default, make sure it is. 16860 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16861 if (permissionsState.grantRuntimePermission(bp, userId) 16862 != PERMISSION_OPERATION_FAILURE) { 16863 writeRuntimePermissions = true; 16864 } 16865 // If permission review is enabled the permissions for a legacy apps 16866 // are represented as constantly granted runtime ones, so don't revoke. 16867 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16868 // Otherwise, reset the permission. 16869 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16870 switch (revokeResult) { 16871 case PERMISSION_OPERATION_SUCCESS: 16872 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16873 writeRuntimePermissions = true; 16874 final int appId = ps.appId; 16875 mHandler.post(new Runnable() { 16876 @Override 16877 public void run() { 16878 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16879 } 16880 }); 16881 } break; 16882 } 16883 } 16884 } 16885 16886 // Synchronously write as we are taking permissions away. 16887 if (writeRuntimePermissions) { 16888 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16889 } 16890 16891 // Synchronously write as we are taking permissions away. 16892 if (writeInstallPermissions) { 16893 mSettings.writeLPr(); 16894 } 16895 } 16896 16897 /** 16898 * Remove entries from the keystore daemon. Will only remove it if the 16899 * {@code appId} is valid. 16900 */ 16901 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16902 if (appId < 0) { 16903 return; 16904 } 16905 16906 final KeyStore keyStore = KeyStore.getInstance(); 16907 if (keyStore != null) { 16908 if (userId == UserHandle.USER_ALL) { 16909 for (final int individual : sUserManager.getUserIds()) { 16910 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16911 } 16912 } else { 16913 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16914 } 16915 } else { 16916 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16917 } 16918 } 16919 16920 @Override 16921 public void deleteApplicationCacheFiles(final String packageName, 16922 final IPackageDataObserver observer) { 16923 final int userId = UserHandle.getCallingUserId(); 16924 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16925 } 16926 16927 @Override 16928 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16929 final IPackageDataObserver observer) { 16930 mContext.enforceCallingOrSelfPermission( 16931 android.Manifest.permission.DELETE_CACHE_FILES, null); 16932 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16933 /* requireFullPermission= */ true, /* checkShell= */ false, 16934 "delete application cache files"); 16935 16936 final PackageParser.Package pkg; 16937 synchronized (mPackages) { 16938 pkg = mPackages.get(packageName); 16939 } 16940 16941 // Queue up an async operation since the package deletion may take a little while. 16942 mHandler.post(new Runnable() { 16943 public void run() { 16944 synchronized (mInstallLock) { 16945 final int flags = StorageManager.FLAG_STORAGE_DE 16946 | StorageManager.FLAG_STORAGE_CE; 16947 // We're only clearing cache files, so we don't care if the 16948 // app is unfrozen and still able to run 16949 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16950 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16951 } 16952 clearExternalStorageDataSync(packageName, userId, false); 16953 if (observer != null) { 16954 try { 16955 observer.onRemoveCompleted(packageName, true); 16956 } catch (RemoteException e) { 16957 Log.i(TAG, "Observer no longer exists."); 16958 } 16959 } 16960 } 16961 }); 16962 } 16963 16964 @Override 16965 public void getPackageSizeInfo(final String packageName, int userHandle, 16966 final IPackageStatsObserver observer) { 16967 mContext.enforceCallingOrSelfPermission( 16968 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16969 if (packageName == null) { 16970 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16971 } 16972 16973 PackageStats stats = new PackageStats(packageName, userHandle); 16974 16975 /* 16976 * Queue up an async operation since the package measurement may take a 16977 * little while. 16978 */ 16979 Message msg = mHandler.obtainMessage(INIT_COPY); 16980 msg.obj = new MeasureParams(stats, observer); 16981 mHandler.sendMessage(msg); 16982 } 16983 16984 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16985 final PackageSetting ps; 16986 synchronized (mPackages) { 16987 ps = mSettings.mPackages.get(packageName); 16988 if (ps == null) { 16989 Slog.w(TAG, "Failed to find settings for " + packageName); 16990 return false; 16991 } 16992 } 16993 try { 16994 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16995 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16996 ps.getCeDataInode(userId), ps.codePathString, stats); 16997 } catch (InstallerException e) { 16998 Slog.w(TAG, String.valueOf(e)); 16999 return false; 17000 } 17001 17002 // For now, ignore code size of packages on system partition 17003 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 17004 stats.codeSize = 0; 17005 } 17006 17007 return true; 17008 } 17009 17010 private int getUidTargetSdkVersionLockedLPr(int uid) { 17011 Object obj = mSettings.getUserIdLPr(uid); 17012 if (obj instanceof SharedUserSetting) { 17013 final SharedUserSetting sus = (SharedUserSetting) obj; 17014 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 17015 final Iterator<PackageSetting> it = sus.packages.iterator(); 17016 while (it.hasNext()) { 17017 final PackageSetting ps = it.next(); 17018 if (ps.pkg != null) { 17019 int v = ps.pkg.applicationInfo.targetSdkVersion; 17020 if (v < vers) vers = v; 17021 } 17022 } 17023 return vers; 17024 } else if (obj instanceof PackageSetting) { 17025 final PackageSetting ps = (PackageSetting) obj; 17026 if (ps.pkg != null) { 17027 return ps.pkg.applicationInfo.targetSdkVersion; 17028 } 17029 } 17030 return Build.VERSION_CODES.CUR_DEVELOPMENT; 17031 } 17032 17033 @Override 17034 public void addPreferredActivity(IntentFilter filter, int match, 17035 ComponentName[] set, ComponentName activity, int userId) { 17036 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17037 "Adding preferred"); 17038 } 17039 17040 private void addPreferredActivityInternal(IntentFilter filter, int match, 17041 ComponentName[] set, ComponentName activity, boolean always, int userId, 17042 String opname) { 17043 // writer 17044 int callingUid = Binder.getCallingUid(); 17045 enforceCrossUserPermission(callingUid, userId, 17046 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 17047 if (filter.countActions() == 0) { 17048 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17049 return; 17050 } 17051 synchronized (mPackages) { 17052 if (mContext.checkCallingOrSelfPermission( 17053 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17054 != PackageManager.PERMISSION_GRANTED) { 17055 if (getUidTargetSdkVersionLockedLPr(callingUid) 17056 < Build.VERSION_CODES.FROYO) { 17057 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 17058 + callingUid); 17059 return; 17060 } 17061 mContext.enforceCallingOrSelfPermission( 17062 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17063 } 17064 17065 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 17066 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 17067 + userId + ":"); 17068 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17069 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 17070 scheduleWritePackageRestrictionsLocked(userId); 17071 postPreferredActivityChangedBroadcast(userId); 17072 } 17073 } 17074 17075 private void postPreferredActivityChangedBroadcast(int userId) { 17076 mHandler.post(() -> { 17077 final IActivityManager am = ActivityManagerNative.getDefault(); 17078 if (am == null) { 17079 return; 17080 } 17081 17082 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 17083 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 17084 try { 17085 am.broadcastIntent(null, intent, null, null, 17086 0, null, null, null, android.app.AppOpsManager.OP_NONE, 17087 null, false, false, userId); 17088 } catch (RemoteException e) { 17089 } 17090 }); 17091 } 17092 17093 @Override 17094 public void replacePreferredActivity(IntentFilter filter, int match, 17095 ComponentName[] set, ComponentName activity, int userId) { 17096 if (filter.countActions() != 1) { 17097 throw new IllegalArgumentException( 17098 "replacePreferredActivity expects filter to have only 1 action."); 17099 } 17100 if (filter.countDataAuthorities() != 0 17101 || filter.countDataPaths() != 0 17102 || filter.countDataSchemes() > 1 17103 || filter.countDataTypes() != 0) { 17104 throw new IllegalArgumentException( 17105 "replacePreferredActivity expects filter to have no data authorities, " + 17106 "paths, or types; and at most one scheme."); 17107 } 17108 17109 final int callingUid = Binder.getCallingUid(); 17110 enforceCrossUserPermission(callingUid, userId, 17111 true /* requireFullPermission */, false /* checkShell */, 17112 "replace preferred activity"); 17113 synchronized (mPackages) { 17114 if (mContext.checkCallingOrSelfPermission( 17115 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17116 != PackageManager.PERMISSION_GRANTED) { 17117 if (getUidTargetSdkVersionLockedLPr(callingUid) 17118 < Build.VERSION_CODES.FROYO) { 17119 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 17120 + Binder.getCallingUid()); 17121 return; 17122 } 17123 mContext.enforceCallingOrSelfPermission( 17124 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17125 } 17126 17127 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17128 if (pir != null) { 17129 // Get all of the existing entries that exactly match this filter. 17130 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 17131 if (existing != null && existing.size() == 1) { 17132 PreferredActivity cur = existing.get(0); 17133 if (DEBUG_PREFERRED) { 17134 Slog.i(TAG, "Checking replace of preferred:"); 17135 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17136 if (!cur.mPref.mAlways) { 17137 Slog.i(TAG, " -- CUR; not mAlways!"); 17138 } else { 17139 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 17140 Slog.i(TAG, " -- CUR: mSet=" 17141 + Arrays.toString(cur.mPref.mSetComponents)); 17142 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 17143 Slog.i(TAG, " -- NEW: mMatch=" 17144 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 17145 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 17146 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 17147 } 17148 } 17149 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 17150 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 17151 && cur.mPref.sameSet(set)) { 17152 // Setting the preferred activity to what it happens to be already 17153 if (DEBUG_PREFERRED) { 17154 Slog.i(TAG, "Replacing with same preferred activity " 17155 + cur.mPref.mShortComponent + " for user " 17156 + userId + ":"); 17157 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17158 } 17159 return; 17160 } 17161 } 17162 17163 if (existing != null) { 17164 if (DEBUG_PREFERRED) { 17165 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 17166 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17167 } 17168 for (int i = 0; i < existing.size(); i++) { 17169 PreferredActivity pa = existing.get(i); 17170 if (DEBUG_PREFERRED) { 17171 Slog.i(TAG, "Removing existing preferred activity " 17172 + pa.mPref.mComponent + ":"); 17173 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 17174 } 17175 pir.removeFilter(pa); 17176 } 17177 } 17178 } 17179 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17180 "Replacing preferred"); 17181 } 17182 } 17183 17184 @Override 17185 public void clearPackagePreferredActivities(String packageName) { 17186 final int uid = Binder.getCallingUid(); 17187 // writer 17188 synchronized (mPackages) { 17189 PackageParser.Package pkg = mPackages.get(packageName); 17190 if (pkg == null || pkg.applicationInfo.uid != uid) { 17191 if (mContext.checkCallingOrSelfPermission( 17192 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17193 != PackageManager.PERMISSION_GRANTED) { 17194 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 17195 < Build.VERSION_CODES.FROYO) { 17196 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 17197 + Binder.getCallingUid()); 17198 return; 17199 } 17200 mContext.enforceCallingOrSelfPermission( 17201 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17202 } 17203 } 17204 17205 int user = UserHandle.getCallingUserId(); 17206 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 17207 scheduleWritePackageRestrictionsLocked(user); 17208 } 17209 } 17210 } 17211 17212 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17213 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17214 ArrayList<PreferredActivity> removed = null; 17215 boolean changed = false; 17216 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17217 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17218 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17219 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17220 continue; 17221 } 17222 Iterator<PreferredActivity> it = pir.filterIterator(); 17223 while (it.hasNext()) { 17224 PreferredActivity pa = it.next(); 17225 // Mark entry for removal only if it matches the package name 17226 // and the entry is of type "always". 17227 if (packageName == null || 17228 (pa.mPref.mComponent.getPackageName().equals(packageName) 17229 && pa.mPref.mAlways)) { 17230 if (removed == null) { 17231 removed = new ArrayList<PreferredActivity>(); 17232 } 17233 removed.add(pa); 17234 } 17235 } 17236 if (removed != null) { 17237 for (int j=0; j<removed.size(); j++) { 17238 PreferredActivity pa = removed.get(j); 17239 pir.removeFilter(pa); 17240 } 17241 changed = true; 17242 } 17243 } 17244 if (changed) { 17245 postPreferredActivityChangedBroadcast(userId); 17246 } 17247 return changed; 17248 } 17249 17250 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17251 private void clearIntentFilterVerificationsLPw(int userId) { 17252 final int packageCount = mPackages.size(); 17253 for (int i = 0; i < packageCount; i++) { 17254 PackageParser.Package pkg = mPackages.valueAt(i); 17255 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17256 } 17257 } 17258 17259 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17260 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17261 if (userId == UserHandle.USER_ALL) { 17262 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17263 sUserManager.getUserIds())) { 17264 for (int oneUserId : sUserManager.getUserIds()) { 17265 scheduleWritePackageRestrictionsLocked(oneUserId); 17266 } 17267 } 17268 } else { 17269 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17270 scheduleWritePackageRestrictionsLocked(userId); 17271 } 17272 } 17273 } 17274 17275 void clearDefaultBrowserIfNeeded(String packageName) { 17276 for (int oneUserId : sUserManager.getUserIds()) { 17277 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17278 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17279 if (packageName.equals(defaultBrowserPackageName)) { 17280 setDefaultBrowserPackageName(null, oneUserId); 17281 } 17282 } 17283 } 17284 17285 @Override 17286 public void resetApplicationPreferences(int userId) { 17287 mContext.enforceCallingOrSelfPermission( 17288 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17289 final long identity = Binder.clearCallingIdentity(); 17290 // writer 17291 try { 17292 synchronized (mPackages) { 17293 clearPackagePreferredActivitiesLPw(null, userId); 17294 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17295 // TODO: We have to reset the default SMS and Phone. This requires 17296 // significant refactoring to keep all default apps in the package 17297 // manager (cleaner but more work) or have the services provide 17298 // callbacks to the package manager to request a default app reset. 17299 applyFactoryDefaultBrowserLPw(userId); 17300 clearIntentFilterVerificationsLPw(userId); 17301 primeDomainVerificationsLPw(userId); 17302 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17303 scheduleWritePackageRestrictionsLocked(userId); 17304 } 17305 resetNetworkPolicies(userId); 17306 } finally { 17307 Binder.restoreCallingIdentity(identity); 17308 } 17309 } 17310 17311 @Override 17312 public int getPreferredActivities(List<IntentFilter> outFilters, 17313 List<ComponentName> outActivities, String packageName) { 17314 17315 int num = 0; 17316 final int userId = UserHandle.getCallingUserId(); 17317 // reader 17318 synchronized (mPackages) { 17319 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17320 if (pir != null) { 17321 final Iterator<PreferredActivity> it = pir.filterIterator(); 17322 while (it.hasNext()) { 17323 final PreferredActivity pa = it.next(); 17324 if (packageName == null 17325 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17326 && pa.mPref.mAlways)) { 17327 if (outFilters != null) { 17328 outFilters.add(new IntentFilter(pa)); 17329 } 17330 if (outActivities != null) { 17331 outActivities.add(pa.mPref.mComponent); 17332 } 17333 } 17334 } 17335 } 17336 } 17337 17338 return num; 17339 } 17340 17341 @Override 17342 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17343 int userId) { 17344 int callingUid = Binder.getCallingUid(); 17345 if (callingUid != Process.SYSTEM_UID) { 17346 throw new SecurityException( 17347 "addPersistentPreferredActivity can only be run by the system"); 17348 } 17349 if (filter.countActions() == 0) { 17350 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17351 return; 17352 } 17353 synchronized (mPackages) { 17354 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17355 ":"); 17356 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17357 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17358 new PersistentPreferredActivity(filter, activity)); 17359 scheduleWritePackageRestrictionsLocked(userId); 17360 postPreferredActivityChangedBroadcast(userId); 17361 } 17362 } 17363 17364 @Override 17365 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17366 int callingUid = Binder.getCallingUid(); 17367 if (callingUid != Process.SYSTEM_UID) { 17368 throw new SecurityException( 17369 "clearPackagePersistentPreferredActivities can only be run by the system"); 17370 } 17371 ArrayList<PersistentPreferredActivity> removed = null; 17372 boolean changed = false; 17373 synchronized (mPackages) { 17374 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17375 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17376 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17377 .valueAt(i); 17378 if (userId != thisUserId) { 17379 continue; 17380 } 17381 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17382 while (it.hasNext()) { 17383 PersistentPreferredActivity ppa = it.next(); 17384 // Mark entry for removal only if it matches the package name. 17385 if (ppa.mComponent.getPackageName().equals(packageName)) { 17386 if (removed == null) { 17387 removed = new ArrayList<PersistentPreferredActivity>(); 17388 } 17389 removed.add(ppa); 17390 } 17391 } 17392 if (removed != null) { 17393 for (int j=0; j<removed.size(); j++) { 17394 PersistentPreferredActivity ppa = removed.get(j); 17395 ppir.removeFilter(ppa); 17396 } 17397 changed = true; 17398 } 17399 } 17400 17401 if (changed) { 17402 scheduleWritePackageRestrictionsLocked(userId); 17403 postPreferredActivityChangedBroadcast(userId); 17404 } 17405 } 17406 } 17407 17408 /** 17409 * Common machinery for picking apart a restored XML blob and passing 17410 * it to a caller-supplied functor to be applied to the running system. 17411 */ 17412 private void restoreFromXml(XmlPullParser parser, int userId, 17413 String expectedStartTag, BlobXmlRestorer functor) 17414 throws IOException, XmlPullParserException { 17415 int type; 17416 while ((type = parser.next()) != XmlPullParser.START_TAG 17417 && type != XmlPullParser.END_DOCUMENT) { 17418 } 17419 if (type != XmlPullParser.START_TAG) { 17420 // oops didn't find a start tag?! 17421 if (DEBUG_BACKUP) { 17422 Slog.e(TAG, "Didn't find start tag during restore"); 17423 } 17424 return; 17425 } 17426Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17427 // this is supposed to be TAG_PREFERRED_BACKUP 17428 if (!expectedStartTag.equals(parser.getName())) { 17429 if (DEBUG_BACKUP) { 17430 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17431 } 17432 return; 17433 } 17434 17435 // skip interfering stuff, then we're aligned with the backing implementation 17436 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17437Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17438 functor.apply(parser, userId); 17439 } 17440 17441 private interface BlobXmlRestorer { 17442 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17443 } 17444 17445 /** 17446 * Non-Binder method, support for the backup/restore mechanism: write the 17447 * full set of preferred activities in its canonical XML format. Returns the 17448 * XML output as a byte array, or null if there is none. 17449 */ 17450 @Override 17451 public byte[] getPreferredActivityBackup(int userId) { 17452 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17453 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17454 } 17455 17456 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17457 try { 17458 final XmlSerializer serializer = new FastXmlSerializer(); 17459 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17460 serializer.startDocument(null, true); 17461 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17462 17463 synchronized (mPackages) { 17464 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17465 } 17466 17467 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17468 serializer.endDocument(); 17469 serializer.flush(); 17470 } catch (Exception e) { 17471 if (DEBUG_BACKUP) { 17472 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17473 } 17474 return null; 17475 } 17476 17477 return dataStream.toByteArray(); 17478 } 17479 17480 @Override 17481 public void restorePreferredActivities(byte[] backup, int userId) { 17482 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17483 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17484 } 17485 17486 try { 17487 final XmlPullParser parser = Xml.newPullParser(); 17488 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17489 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17490 new BlobXmlRestorer() { 17491 @Override 17492 public void apply(XmlPullParser parser, int userId) 17493 throws XmlPullParserException, IOException { 17494 synchronized (mPackages) { 17495 mSettings.readPreferredActivitiesLPw(parser, userId); 17496 } 17497 } 17498 } ); 17499 } catch (Exception e) { 17500 if (DEBUG_BACKUP) { 17501 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17502 } 17503 } 17504 } 17505 17506 /** 17507 * Non-Binder method, support for the backup/restore mechanism: write the 17508 * default browser (etc) settings in its canonical XML format. Returns the default 17509 * browser XML representation as a byte array, or null if there is none. 17510 */ 17511 @Override 17512 public byte[] getDefaultAppsBackup(int userId) { 17513 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17514 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17515 } 17516 17517 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17518 try { 17519 final XmlSerializer serializer = new FastXmlSerializer(); 17520 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17521 serializer.startDocument(null, true); 17522 serializer.startTag(null, TAG_DEFAULT_APPS); 17523 17524 synchronized (mPackages) { 17525 mSettings.writeDefaultAppsLPr(serializer, userId); 17526 } 17527 17528 serializer.endTag(null, TAG_DEFAULT_APPS); 17529 serializer.endDocument(); 17530 serializer.flush(); 17531 } catch (Exception e) { 17532 if (DEBUG_BACKUP) { 17533 Slog.e(TAG, "Unable to write default apps for backup", e); 17534 } 17535 return null; 17536 } 17537 17538 return dataStream.toByteArray(); 17539 } 17540 17541 @Override 17542 public void restoreDefaultApps(byte[] backup, int userId) { 17543 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17544 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17545 } 17546 17547 try { 17548 final XmlPullParser parser = Xml.newPullParser(); 17549 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17550 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17551 new BlobXmlRestorer() { 17552 @Override 17553 public void apply(XmlPullParser parser, int userId) 17554 throws XmlPullParserException, IOException { 17555 synchronized (mPackages) { 17556 mSettings.readDefaultAppsLPw(parser, userId); 17557 } 17558 } 17559 } ); 17560 } catch (Exception e) { 17561 if (DEBUG_BACKUP) { 17562 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17563 } 17564 } 17565 } 17566 17567 @Override 17568 public byte[] getIntentFilterVerificationBackup(int userId) { 17569 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17570 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17571 } 17572 17573 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17574 try { 17575 final XmlSerializer serializer = new FastXmlSerializer(); 17576 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17577 serializer.startDocument(null, true); 17578 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17579 17580 synchronized (mPackages) { 17581 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17582 } 17583 17584 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17585 serializer.endDocument(); 17586 serializer.flush(); 17587 } catch (Exception e) { 17588 if (DEBUG_BACKUP) { 17589 Slog.e(TAG, "Unable to write default apps for backup", e); 17590 } 17591 return null; 17592 } 17593 17594 return dataStream.toByteArray(); 17595 } 17596 17597 @Override 17598 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17599 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17600 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17601 } 17602 17603 try { 17604 final XmlPullParser parser = Xml.newPullParser(); 17605 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17606 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17607 new BlobXmlRestorer() { 17608 @Override 17609 public void apply(XmlPullParser parser, int userId) 17610 throws XmlPullParserException, IOException { 17611 synchronized (mPackages) { 17612 mSettings.readAllDomainVerificationsLPr(parser, userId); 17613 mSettings.writeLPr(); 17614 } 17615 } 17616 } ); 17617 } catch (Exception e) { 17618 if (DEBUG_BACKUP) { 17619 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17620 } 17621 } 17622 } 17623 17624 @Override 17625 public byte[] getPermissionGrantBackup(int userId) { 17626 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17627 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17628 } 17629 17630 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17631 try { 17632 final XmlSerializer serializer = new FastXmlSerializer(); 17633 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17634 serializer.startDocument(null, true); 17635 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17636 17637 synchronized (mPackages) { 17638 serializeRuntimePermissionGrantsLPr(serializer, userId); 17639 } 17640 17641 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17642 serializer.endDocument(); 17643 serializer.flush(); 17644 } catch (Exception e) { 17645 if (DEBUG_BACKUP) { 17646 Slog.e(TAG, "Unable to write default apps for backup", e); 17647 } 17648 return null; 17649 } 17650 17651 return dataStream.toByteArray(); 17652 } 17653 17654 @Override 17655 public void restorePermissionGrants(byte[] backup, int userId) { 17656 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17657 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17658 } 17659 17660 try { 17661 final XmlPullParser parser = Xml.newPullParser(); 17662 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17663 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17664 new BlobXmlRestorer() { 17665 @Override 17666 public void apply(XmlPullParser parser, int userId) 17667 throws XmlPullParserException, IOException { 17668 synchronized (mPackages) { 17669 processRestoredPermissionGrantsLPr(parser, userId); 17670 } 17671 } 17672 } ); 17673 } catch (Exception e) { 17674 if (DEBUG_BACKUP) { 17675 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17676 } 17677 } 17678 } 17679 17680 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17681 throws IOException { 17682 serializer.startTag(null, TAG_ALL_GRANTS); 17683 17684 final int N = mSettings.mPackages.size(); 17685 for (int i = 0; i < N; i++) { 17686 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17687 boolean pkgGrantsKnown = false; 17688 17689 PermissionsState packagePerms = ps.getPermissionsState(); 17690 17691 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17692 final int grantFlags = state.getFlags(); 17693 // only look at grants that are not system/policy fixed 17694 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17695 final boolean isGranted = state.isGranted(); 17696 // And only back up the user-twiddled state bits 17697 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17698 final String packageName = mSettings.mPackages.keyAt(i); 17699 if (!pkgGrantsKnown) { 17700 serializer.startTag(null, TAG_GRANT); 17701 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17702 pkgGrantsKnown = true; 17703 } 17704 17705 final boolean userSet = 17706 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17707 final boolean userFixed = 17708 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17709 final boolean revoke = 17710 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17711 17712 serializer.startTag(null, TAG_PERMISSION); 17713 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17714 if (isGranted) { 17715 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17716 } 17717 if (userSet) { 17718 serializer.attribute(null, ATTR_USER_SET, "true"); 17719 } 17720 if (userFixed) { 17721 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17722 } 17723 if (revoke) { 17724 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17725 } 17726 serializer.endTag(null, TAG_PERMISSION); 17727 } 17728 } 17729 } 17730 17731 if (pkgGrantsKnown) { 17732 serializer.endTag(null, TAG_GRANT); 17733 } 17734 } 17735 17736 serializer.endTag(null, TAG_ALL_GRANTS); 17737 } 17738 17739 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17740 throws XmlPullParserException, IOException { 17741 String pkgName = null; 17742 int outerDepth = parser.getDepth(); 17743 int type; 17744 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17745 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17746 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17747 continue; 17748 } 17749 17750 final String tagName = parser.getName(); 17751 if (tagName.equals(TAG_GRANT)) { 17752 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17753 if (DEBUG_BACKUP) { 17754 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17755 } 17756 } else if (tagName.equals(TAG_PERMISSION)) { 17757 17758 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17759 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17760 17761 int newFlagSet = 0; 17762 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17763 newFlagSet |= FLAG_PERMISSION_USER_SET; 17764 } 17765 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17766 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17767 } 17768 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17769 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17770 } 17771 if (DEBUG_BACKUP) { 17772 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17773 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17774 } 17775 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17776 if (ps != null) { 17777 // Already installed so we apply the grant immediately 17778 if (DEBUG_BACKUP) { 17779 Slog.v(TAG, " + already installed; applying"); 17780 } 17781 PermissionsState perms = ps.getPermissionsState(); 17782 BasePermission bp = mSettings.mPermissions.get(permName); 17783 if (bp != null) { 17784 if (isGranted) { 17785 perms.grantRuntimePermission(bp, userId); 17786 } 17787 if (newFlagSet != 0) { 17788 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17789 } 17790 } 17791 } else { 17792 // Need to wait for post-restore install to apply the grant 17793 if (DEBUG_BACKUP) { 17794 Slog.v(TAG, " - not yet installed; saving for later"); 17795 } 17796 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17797 isGranted, newFlagSet, userId); 17798 } 17799 } else { 17800 PackageManagerService.reportSettingsProblem(Log.WARN, 17801 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17802 XmlUtils.skipCurrentTag(parser); 17803 } 17804 } 17805 17806 scheduleWriteSettingsLocked(); 17807 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17808 } 17809 17810 @Override 17811 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17812 int sourceUserId, int targetUserId, int flags) { 17813 mContext.enforceCallingOrSelfPermission( 17814 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17815 int callingUid = Binder.getCallingUid(); 17816 enforceOwnerRights(ownerPackage, callingUid); 17817 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17818 if (intentFilter.countActions() == 0) { 17819 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17820 return; 17821 } 17822 synchronized (mPackages) { 17823 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17824 ownerPackage, targetUserId, flags); 17825 CrossProfileIntentResolver resolver = 17826 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17827 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17828 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17829 if (existing != null) { 17830 int size = existing.size(); 17831 for (int i = 0; i < size; i++) { 17832 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17833 return; 17834 } 17835 } 17836 } 17837 resolver.addFilter(newFilter); 17838 scheduleWritePackageRestrictionsLocked(sourceUserId); 17839 } 17840 } 17841 17842 @Override 17843 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17844 mContext.enforceCallingOrSelfPermission( 17845 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17846 int callingUid = Binder.getCallingUid(); 17847 enforceOwnerRights(ownerPackage, callingUid); 17848 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17849 synchronized (mPackages) { 17850 CrossProfileIntentResolver resolver = 17851 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17852 ArraySet<CrossProfileIntentFilter> set = 17853 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17854 for (CrossProfileIntentFilter filter : set) { 17855 if (filter.getOwnerPackage().equals(ownerPackage)) { 17856 resolver.removeFilter(filter); 17857 } 17858 } 17859 scheduleWritePackageRestrictionsLocked(sourceUserId); 17860 } 17861 } 17862 17863 // Enforcing that callingUid is owning pkg on userId 17864 private void enforceOwnerRights(String pkg, int callingUid) { 17865 // The system owns everything. 17866 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17867 return; 17868 } 17869 int callingUserId = UserHandle.getUserId(callingUid); 17870 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17871 if (pi == null) { 17872 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17873 + callingUserId); 17874 } 17875 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17876 throw new SecurityException("Calling uid " + callingUid 17877 + " does not own package " + pkg); 17878 } 17879 } 17880 17881 @Override 17882 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17883 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17884 } 17885 17886 private Intent getHomeIntent() { 17887 Intent intent = new Intent(Intent.ACTION_MAIN); 17888 intent.addCategory(Intent.CATEGORY_HOME); 17889 intent.addCategory(Intent.CATEGORY_DEFAULT); 17890 return intent; 17891 } 17892 17893 private IntentFilter getHomeFilter() { 17894 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17895 filter.addCategory(Intent.CATEGORY_HOME); 17896 filter.addCategory(Intent.CATEGORY_DEFAULT); 17897 return filter; 17898 } 17899 17900 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17901 int userId) { 17902 Intent intent = getHomeIntent(); 17903 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17904 PackageManager.GET_META_DATA, userId); 17905 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17906 true, false, false, userId); 17907 17908 allHomeCandidates.clear(); 17909 if (list != null) { 17910 for (ResolveInfo ri : list) { 17911 allHomeCandidates.add(ri); 17912 } 17913 } 17914 return (preferred == null || preferred.activityInfo == null) 17915 ? null 17916 : new ComponentName(preferred.activityInfo.packageName, 17917 preferred.activityInfo.name); 17918 } 17919 17920 @Override 17921 public void setHomeActivity(ComponentName comp, int userId) { 17922 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17923 getHomeActivitiesAsUser(homeActivities, userId); 17924 17925 boolean found = false; 17926 17927 final int size = homeActivities.size(); 17928 final ComponentName[] set = new ComponentName[size]; 17929 for (int i = 0; i < size; i++) { 17930 final ResolveInfo candidate = homeActivities.get(i); 17931 final ActivityInfo info = candidate.activityInfo; 17932 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17933 set[i] = activityName; 17934 if (!found && activityName.equals(comp)) { 17935 found = true; 17936 } 17937 } 17938 if (!found) { 17939 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17940 + userId); 17941 } 17942 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17943 set, comp, userId); 17944 } 17945 17946 private @Nullable String getSetupWizardPackageName() { 17947 final Intent intent = new Intent(Intent.ACTION_MAIN); 17948 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17949 17950 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17951 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17952 | MATCH_DISABLED_COMPONENTS, 17953 UserHandle.myUserId()); 17954 if (matches.size() == 1) { 17955 return matches.get(0).getComponentInfo().packageName; 17956 } else { 17957 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17958 + ": matches=" + matches); 17959 return null; 17960 } 17961 } 17962 17963 private @Nullable String getStorageManagerPackageName() { 17964 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 17965 17966 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17967 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17968 | MATCH_DISABLED_COMPONENTS, 17969 UserHandle.myUserId()); 17970 if (matches.size() == 1) { 17971 return matches.get(0).getComponentInfo().packageName; 17972 } else { 17973 Slog.e(TAG, "There should probably be exactly one storage manager; found " 17974 + matches.size() + ": matches=" + matches); 17975 return null; 17976 } 17977 } 17978 17979 @Override 17980 public void setApplicationEnabledSetting(String appPackageName, 17981 int newState, int flags, int userId, String callingPackage) { 17982 if (!sUserManager.exists(userId)) return; 17983 if (callingPackage == null) { 17984 callingPackage = Integer.toString(Binder.getCallingUid()); 17985 } 17986 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17987 } 17988 17989 @Override 17990 public void setComponentEnabledSetting(ComponentName componentName, 17991 int newState, int flags, int userId) { 17992 if (!sUserManager.exists(userId)) return; 17993 setEnabledSetting(componentName.getPackageName(), 17994 componentName.getClassName(), newState, flags, userId, null); 17995 } 17996 17997 private void setEnabledSetting(final String packageName, String className, int newState, 17998 final int flags, int userId, String callingPackage) { 17999 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 18000 || newState == COMPONENT_ENABLED_STATE_ENABLED 18001 || newState == COMPONENT_ENABLED_STATE_DISABLED 18002 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18003 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 18004 throw new IllegalArgumentException("Invalid new component state: " 18005 + newState); 18006 } 18007 PackageSetting pkgSetting; 18008 final int uid = Binder.getCallingUid(); 18009 final int permission; 18010 if (uid == Process.SYSTEM_UID) { 18011 permission = PackageManager.PERMISSION_GRANTED; 18012 } else { 18013 permission = mContext.checkCallingOrSelfPermission( 18014 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18015 } 18016 enforceCrossUserPermission(uid, userId, 18017 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 18018 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18019 boolean sendNow = false; 18020 boolean isApp = (className == null); 18021 String componentName = isApp ? packageName : className; 18022 int packageUid = -1; 18023 ArrayList<String> components; 18024 18025 // writer 18026 synchronized (mPackages) { 18027 pkgSetting = mSettings.mPackages.get(packageName); 18028 if (pkgSetting == null) { 18029 if (className == null) { 18030 throw new IllegalArgumentException("Unknown package: " + packageName); 18031 } 18032 throw new IllegalArgumentException( 18033 "Unknown component: " + packageName + "/" + className); 18034 } 18035 } 18036 18037 // Limit who can change which apps 18038 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 18039 // Don't allow apps that don't have permission to modify other apps 18040 if (!allowedByPermission) { 18041 throw new SecurityException( 18042 "Permission Denial: attempt to change component state from pid=" 18043 + Binder.getCallingPid() 18044 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 18045 } 18046 // Don't allow changing protected packages. 18047 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 18048 throw new SecurityException("Cannot disable a protected package: " + packageName); 18049 } 18050 } 18051 18052 synchronized (mPackages) { 18053 if (uid == Process.SHELL_UID) { 18054 // Shell can only change whole packages between ENABLED and DISABLED_USER states 18055 int oldState = pkgSetting.getEnabled(userId); 18056 if (className == null 18057 && 18058 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 18059 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 18060 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 18061 && 18062 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18063 || newState == COMPONENT_ENABLED_STATE_DEFAULT 18064 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 18065 // ok 18066 } else { 18067 throw new SecurityException( 18068 "Shell cannot change component state for " + packageName + "/" 18069 + className + " to " + newState); 18070 } 18071 } 18072 if (className == null) { 18073 // We're dealing with an application/package level state change 18074 if (pkgSetting.getEnabled(userId) == newState) { 18075 // Nothing to do 18076 return; 18077 } 18078 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 18079 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 18080 // Don't care about who enables an app. 18081 callingPackage = null; 18082 } 18083 pkgSetting.setEnabled(newState, userId, callingPackage); 18084 // pkgSetting.pkg.mSetEnabled = newState; 18085 } else { 18086 // We're dealing with a component level state change 18087 // First, verify that this is a valid class name. 18088 PackageParser.Package pkg = pkgSetting.pkg; 18089 if (pkg == null || !pkg.hasComponentClassName(className)) { 18090 if (pkg != null && 18091 pkg.applicationInfo.targetSdkVersion >= 18092 Build.VERSION_CODES.JELLY_BEAN) { 18093 throw new IllegalArgumentException("Component class " + className 18094 + " does not exist in " + packageName); 18095 } else { 18096 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 18097 + className + " does not exist in " + packageName); 18098 } 18099 } 18100 switch (newState) { 18101 case COMPONENT_ENABLED_STATE_ENABLED: 18102 if (!pkgSetting.enableComponentLPw(className, userId)) { 18103 return; 18104 } 18105 break; 18106 case COMPONENT_ENABLED_STATE_DISABLED: 18107 if (!pkgSetting.disableComponentLPw(className, userId)) { 18108 return; 18109 } 18110 break; 18111 case COMPONENT_ENABLED_STATE_DEFAULT: 18112 if (!pkgSetting.restoreComponentLPw(className, userId)) { 18113 return; 18114 } 18115 break; 18116 default: 18117 Slog.e(TAG, "Invalid new component state: " + newState); 18118 return; 18119 } 18120 } 18121 scheduleWritePackageRestrictionsLocked(userId); 18122 components = mPendingBroadcasts.get(userId, packageName); 18123 final boolean newPackage = components == null; 18124 if (newPackage) { 18125 components = new ArrayList<String>(); 18126 } 18127 if (!components.contains(componentName)) { 18128 components.add(componentName); 18129 } 18130 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 18131 sendNow = true; 18132 // Purge entry from pending broadcast list if another one exists already 18133 // since we are sending one right away. 18134 mPendingBroadcasts.remove(userId, packageName); 18135 } else { 18136 if (newPackage) { 18137 mPendingBroadcasts.put(userId, packageName, components); 18138 } 18139 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 18140 // Schedule a message 18141 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 18142 } 18143 } 18144 } 18145 18146 long callingId = Binder.clearCallingIdentity(); 18147 try { 18148 if (sendNow) { 18149 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 18150 sendPackageChangedBroadcast(packageName, 18151 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 18152 } 18153 } finally { 18154 Binder.restoreCallingIdentity(callingId); 18155 } 18156 } 18157 18158 @Override 18159 public void flushPackageRestrictionsAsUser(int userId) { 18160 if (!sUserManager.exists(userId)) { 18161 return; 18162 } 18163 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 18164 false /* checkShell */, "flushPackageRestrictions"); 18165 synchronized (mPackages) { 18166 mSettings.writePackageRestrictionsLPr(userId); 18167 mDirtyUsers.remove(userId); 18168 if (mDirtyUsers.isEmpty()) { 18169 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 18170 } 18171 } 18172 } 18173 18174 private void sendPackageChangedBroadcast(String packageName, 18175 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 18176 if (DEBUG_INSTALL) 18177 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 18178 + componentNames); 18179 Bundle extras = new Bundle(4); 18180 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 18181 String nameList[] = new String[componentNames.size()]; 18182 componentNames.toArray(nameList); 18183 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 18184 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 18185 extras.putInt(Intent.EXTRA_UID, packageUid); 18186 // If this is not reporting a change of the overall package, then only send it 18187 // to registered receivers. We don't want to launch a swath of apps for every 18188 // little component state change. 18189 final int flags = !componentNames.contains(packageName) 18190 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 18191 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 18192 new int[] {UserHandle.getUserId(packageUid)}); 18193 } 18194 18195 @Override 18196 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 18197 if (!sUserManager.exists(userId)) return; 18198 final int uid = Binder.getCallingUid(); 18199 final int permission = mContext.checkCallingOrSelfPermission( 18200 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18201 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18202 enforceCrossUserPermission(uid, userId, 18203 true /* requireFullPermission */, true /* checkShell */, "stop package"); 18204 // writer 18205 synchronized (mPackages) { 18206 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 18207 allowedByPermission, uid, userId)) { 18208 scheduleWritePackageRestrictionsLocked(userId); 18209 } 18210 } 18211 } 18212 18213 @Override 18214 public String getInstallerPackageName(String packageName) { 18215 // reader 18216 synchronized (mPackages) { 18217 return mSettings.getInstallerPackageNameLPr(packageName); 18218 } 18219 } 18220 18221 public boolean isOrphaned(String packageName) { 18222 // reader 18223 synchronized (mPackages) { 18224 return mSettings.isOrphaned(packageName); 18225 } 18226 } 18227 18228 @Override 18229 public int getApplicationEnabledSetting(String packageName, int userId) { 18230 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18231 int uid = Binder.getCallingUid(); 18232 enforceCrossUserPermission(uid, userId, 18233 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18234 // reader 18235 synchronized (mPackages) { 18236 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18237 } 18238 } 18239 18240 @Override 18241 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18242 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18243 int uid = Binder.getCallingUid(); 18244 enforceCrossUserPermission(uid, userId, 18245 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18246 // reader 18247 synchronized (mPackages) { 18248 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18249 } 18250 } 18251 18252 @Override 18253 public void enterSafeMode() { 18254 enforceSystemOrRoot("Only the system can request entering safe mode"); 18255 18256 if (!mSystemReady) { 18257 mSafeMode = true; 18258 } 18259 } 18260 18261 @Override 18262 public void systemReady() { 18263 mSystemReady = true; 18264 18265 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18266 // disabled after already being started. 18267 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18268 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18269 18270 // Read the compatibilty setting when the system is ready. 18271 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18272 mContext.getContentResolver(), 18273 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18274 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18275 if (DEBUG_SETTINGS) { 18276 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18277 } 18278 18279 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18280 18281 synchronized (mPackages) { 18282 // Verify that all of the preferred activity components actually 18283 // exist. It is possible for applications to be updated and at 18284 // that point remove a previously declared activity component that 18285 // had been set as a preferred activity. We try to clean this up 18286 // the next time we encounter that preferred activity, but it is 18287 // possible for the user flow to never be able to return to that 18288 // situation so here we do a sanity check to make sure we haven't 18289 // left any junk around. 18290 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18291 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18292 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18293 removed.clear(); 18294 for (PreferredActivity pa : pir.filterSet()) { 18295 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18296 removed.add(pa); 18297 } 18298 } 18299 if (removed.size() > 0) { 18300 for (int r=0; r<removed.size(); r++) { 18301 PreferredActivity pa = removed.get(r); 18302 Slog.w(TAG, "Removing dangling preferred activity: " 18303 + pa.mPref.mComponent); 18304 pir.removeFilter(pa); 18305 } 18306 mSettings.writePackageRestrictionsLPr( 18307 mSettings.mPreferredActivities.keyAt(i)); 18308 } 18309 } 18310 18311 for (int userId : UserManagerService.getInstance().getUserIds()) { 18312 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18313 grantPermissionsUserIds = ArrayUtils.appendInt( 18314 grantPermissionsUserIds, userId); 18315 } 18316 } 18317 } 18318 sUserManager.systemReady(); 18319 18320 // If we upgraded grant all default permissions before kicking off. 18321 for (int userId : grantPermissionsUserIds) { 18322 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18323 } 18324 18325 // If we did not grant default permissions, we preload from this the 18326 // default permission exceptions lazily to ensure we don't hit the 18327 // disk on a new user creation. 18328 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18329 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18330 } 18331 18332 // Kick off any messages waiting for system ready 18333 if (mPostSystemReadyMessages != null) { 18334 for (Message msg : mPostSystemReadyMessages) { 18335 msg.sendToTarget(); 18336 } 18337 mPostSystemReadyMessages = null; 18338 } 18339 18340 // Watch for external volumes that come and go over time 18341 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18342 storage.registerListener(mStorageListener); 18343 18344 mInstallerService.systemReady(); 18345 mPackageDexOptimizer.systemReady(); 18346 18347 MountServiceInternal mountServiceInternal = LocalServices.getService( 18348 MountServiceInternal.class); 18349 mountServiceInternal.addExternalStoragePolicy( 18350 new MountServiceInternal.ExternalStorageMountPolicy() { 18351 @Override 18352 public int getMountMode(int uid, String packageName) { 18353 if (Process.isIsolated(uid)) { 18354 return Zygote.MOUNT_EXTERNAL_NONE; 18355 } 18356 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18357 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18358 } 18359 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18360 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18361 } 18362 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18363 return Zygote.MOUNT_EXTERNAL_READ; 18364 } 18365 return Zygote.MOUNT_EXTERNAL_WRITE; 18366 } 18367 18368 @Override 18369 public boolean hasExternalStorage(int uid, String packageName) { 18370 return true; 18371 } 18372 }); 18373 18374 // Now that we're mostly running, clean up stale users and apps 18375 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18376 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18377 } 18378 18379 @Override 18380 public boolean isSafeMode() { 18381 return mSafeMode; 18382 } 18383 18384 @Override 18385 public boolean hasSystemUidErrors() { 18386 return mHasSystemUidErrors; 18387 } 18388 18389 static String arrayToString(int[] array) { 18390 StringBuffer buf = new StringBuffer(128); 18391 buf.append('['); 18392 if (array != null) { 18393 for (int i=0; i<array.length; i++) { 18394 if (i > 0) buf.append(", "); 18395 buf.append(array[i]); 18396 } 18397 } 18398 buf.append(']'); 18399 return buf.toString(); 18400 } 18401 18402 static class DumpState { 18403 public static final int DUMP_LIBS = 1 << 0; 18404 public static final int DUMP_FEATURES = 1 << 1; 18405 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18406 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18407 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18408 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18409 public static final int DUMP_PERMISSIONS = 1 << 6; 18410 public static final int DUMP_PACKAGES = 1 << 7; 18411 public static final int DUMP_SHARED_USERS = 1 << 8; 18412 public static final int DUMP_MESSAGES = 1 << 9; 18413 public static final int DUMP_PROVIDERS = 1 << 10; 18414 public static final int DUMP_VERIFIERS = 1 << 11; 18415 public static final int DUMP_PREFERRED = 1 << 12; 18416 public static final int DUMP_PREFERRED_XML = 1 << 13; 18417 public static final int DUMP_KEYSETS = 1 << 14; 18418 public static final int DUMP_VERSION = 1 << 15; 18419 public static final int DUMP_INSTALLS = 1 << 16; 18420 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18421 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18422 public static final int DUMP_FROZEN = 1 << 19; 18423 public static final int DUMP_DEXOPT = 1 << 20; 18424 public static final int DUMP_COMPILER_STATS = 1 << 21; 18425 18426 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18427 18428 private int mTypes; 18429 18430 private int mOptions; 18431 18432 private boolean mTitlePrinted; 18433 18434 private SharedUserSetting mSharedUser; 18435 18436 public boolean isDumping(int type) { 18437 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18438 return true; 18439 } 18440 18441 return (mTypes & type) != 0; 18442 } 18443 18444 public void setDump(int type) { 18445 mTypes |= type; 18446 } 18447 18448 public boolean isOptionEnabled(int option) { 18449 return (mOptions & option) != 0; 18450 } 18451 18452 public void setOptionEnabled(int option) { 18453 mOptions |= option; 18454 } 18455 18456 public boolean onTitlePrinted() { 18457 final boolean printed = mTitlePrinted; 18458 mTitlePrinted = true; 18459 return printed; 18460 } 18461 18462 public boolean getTitlePrinted() { 18463 return mTitlePrinted; 18464 } 18465 18466 public void setTitlePrinted(boolean enabled) { 18467 mTitlePrinted = enabled; 18468 } 18469 18470 public SharedUserSetting getSharedUser() { 18471 return mSharedUser; 18472 } 18473 18474 public void setSharedUser(SharedUserSetting user) { 18475 mSharedUser = user; 18476 } 18477 } 18478 18479 @Override 18480 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18481 FileDescriptor err, String[] args, ShellCallback callback, 18482 ResultReceiver resultReceiver) { 18483 (new PackageManagerShellCommand(this)).exec( 18484 this, in, out, err, args, callback, resultReceiver); 18485 } 18486 18487 @Override 18488 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18489 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18490 != PackageManager.PERMISSION_GRANTED) { 18491 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18492 + Binder.getCallingPid() 18493 + ", uid=" + Binder.getCallingUid() 18494 + " without permission " 18495 + android.Manifest.permission.DUMP); 18496 return; 18497 } 18498 18499 DumpState dumpState = new DumpState(); 18500 boolean fullPreferred = false; 18501 boolean checkin = false; 18502 18503 String packageName = null; 18504 ArraySet<String> permissionNames = null; 18505 18506 int opti = 0; 18507 while (opti < args.length) { 18508 String opt = args[opti]; 18509 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18510 break; 18511 } 18512 opti++; 18513 18514 if ("-a".equals(opt)) { 18515 // Right now we only know how to print all. 18516 } else if ("-h".equals(opt)) { 18517 pw.println("Package manager dump options:"); 18518 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18519 pw.println(" --checkin: dump for a checkin"); 18520 pw.println(" -f: print details of intent filters"); 18521 pw.println(" -h: print this help"); 18522 pw.println(" cmd may be one of:"); 18523 pw.println(" l[ibraries]: list known shared libraries"); 18524 pw.println(" f[eatures]: list device features"); 18525 pw.println(" k[eysets]: print known keysets"); 18526 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18527 pw.println(" perm[issions]: dump permissions"); 18528 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18529 pw.println(" pref[erred]: print preferred package settings"); 18530 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18531 pw.println(" prov[iders]: dump content providers"); 18532 pw.println(" p[ackages]: dump installed packages"); 18533 pw.println(" s[hared-users]: dump shared user IDs"); 18534 pw.println(" m[essages]: print collected runtime messages"); 18535 pw.println(" v[erifiers]: print package verifier info"); 18536 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18537 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18538 pw.println(" version: print database version info"); 18539 pw.println(" write: write current settings now"); 18540 pw.println(" installs: details about install sessions"); 18541 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18542 pw.println(" dexopt: dump dexopt state"); 18543 pw.println(" compiler-stats: dump compiler statistics"); 18544 pw.println(" <package.name>: info about given package"); 18545 return; 18546 } else if ("--checkin".equals(opt)) { 18547 checkin = true; 18548 } else if ("-f".equals(opt)) { 18549 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18550 } else { 18551 pw.println("Unknown argument: " + opt + "; use -h for help"); 18552 } 18553 } 18554 18555 // Is the caller requesting to dump a particular piece of data? 18556 if (opti < args.length) { 18557 String cmd = args[opti]; 18558 opti++; 18559 // Is this a package name? 18560 if ("android".equals(cmd) || cmd.contains(".")) { 18561 packageName = cmd; 18562 // When dumping a single package, we always dump all of its 18563 // filter information since the amount of data will be reasonable. 18564 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18565 } else if ("check-permission".equals(cmd)) { 18566 if (opti >= args.length) { 18567 pw.println("Error: check-permission missing permission argument"); 18568 return; 18569 } 18570 String perm = args[opti]; 18571 opti++; 18572 if (opti >= args.length) { 18573 pw.println("Error: check-permission missing package argument"); 18574 return; 18575 } 18576 String pkg = args[opti]; 18577 opti++; 18578 int user = UserHandle.getUserId(Binder.getCallingUid()); 18579 if (opti < args.length) { 18580 try { 18581 user = Integer.parseInt(args[opti]); 18582 } catch (NumberFormatException e) { 18583 pw.println("Error: check-permission user argument is not a number: " 18584 + args[opti]); 18585 return; 18586 } 18587 } 18588 pw.println(checkPermission(perm, pkg, user)); 18589 return; 18590 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18591 dumpState.setDump(DumpState.DUMP_LIBS); 18592 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18593 dumpState.setDump(DumpState.DUMP_FEATURES); 18594 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18595 if (opti >= args.length) { 18596 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18597 | DumpState.DUMP_SERVICE_RESOLVERS 18598 | DumpState.DUMP_RECEIVER_RESOLVERS 18599 | DumpState.DUMP_CONTENT_RESOLVERS); 18600 } else { 18601 while (opti < args.length) { 18602 String name = args[opti]; 18603 if ("a".equals(name) || "activity".equals(name)) { 18604 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18605 } else if ("s".equals(name) || "service".equals(name)) { 18606 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18607 } else if ("r".equals(name) || "receiver".equals(name)) { 18608 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18609 } else if ("c".equals(name) || "content".equals(name)) { 18610 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18611 } else { 18612 pw.println("Error: unknown resolver table type: " + name); 18613 return; 18614 } 18615 opti++; 18616 } 18617 } 18618 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18619 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18620 } else if ("permission".equals(cmd)) { 18621 if (opti >= args.length) { 18622 pw.println("Error: permission requires permission name"); 18623 return; 18624 } 18625 permissionNames = new ArraySet<>(); 18626 while (opti < args.length) { 18627 permissionNames.add(args[opti]); 18628 opti++; 18629 } 18630 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18631 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18632 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18633 dumpState.setDump(DumpState.DUMP_PREFERRED); 18634 } else if ("preferred-xml".equals(cmd)) { 18635 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18636 if (opti < args.length && "--full".equals(args[opti])) { 18637 fullPreferred = true; 18638 opti++; 18639 } 18640 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18641 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18642 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18643 dumpState.setDump(DumpState.DUMP_PACKAGES); 18644 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18645 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18646 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18647 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18648 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18649 dumpState.setDump(DumpState.DUMP_MESSAGES); 18650 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18651 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18652 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18653 || "intent-filter-verifiers".equals(cmd)) { 18654 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18655 } else if ("version".equals(cmd)) { 18656 dumpState.setDump(DumpState.DUMP_VERSION); 18657 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18658 dumpState.setDump(DumpState.DUMP_KEYSETS); 18659 } else if ("installs".equals(cmd)) { 18660 dumpState.setDump(DumpState.DUMP_INSTALLS); 18661 } else if ("frozen".equals(cmd)) { 18662 dumpState.setDump(DumpState.DUMP_FROZEN); 18663 } else if ("dexopt".equals(cmd)) { 18664 dumpState.setDump(DumpState.DUMP_DEXOPT); 18665 } else if ("compiler-stats".equals(cmd)) { 18666 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18667 } else if ("write".equals(cmd)) { 18668 synchronized (mPackages) { 18669 mSettings.writeLPr(); 18670 pw.println("Settings written."); 18671 return; 18672 } 18673 } 18674 } 18675 18676 if (checkin) { 18677 pw.println("vers,1"); 18678 } 18679 18680 // reader 18681 synchronized (mPackages) { 18682 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18683 if (!checkin) { 18684 if (dumpState.onTitlePrinted()) 18685 pw.println(); 18686 pw.println("Database versions:"); 18687 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18688 } 18689 } 18690 18691 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18692 if (!checkin) { 18693 if (dumpState.onTitlePrinted()) 18694 pw.println(); 18695 pw.println("Verifiers:"); 18696 pw.print(" Required: "); 18697 pw.print(mRequiredVerifierPackage); 18698 pw.print(" (uid="); 18699 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18700 UserHandle.USER_SYSTEM)); 18701 pw.println(")"); 18702 } else if (mRequiredVerifierPackage != null) { 18703 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18704 pw.print(","); 18705 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18706 UserHandle.USER_SYSTEM)); 18707 } 18708 } 18709 18710 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18711 packageName == null) { 18712 if (mIntentFilterVerifierComponent != null) { 18713 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18714 if (!checkin) { 18715 if (dumpState.onTitlePrinted()) 18716 pw.println(); 18717 pw.println("Intent Filter Verifier:"); 18718 pw.print(" Using: "); 18719 pw.print(verifierPackageName); 18720 pw.print(" (uid="); 18721 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18722 UserHandle.USER_SYSTEM)); 18723 pw.println(")"); 18724 } else if (verifierPackageName != null) { 18725 pw.print("ifv,"); pw.print(verifierPackageName); 18726 pw.print(","); 18727 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18728 UserHandle.USER_SYSTEM)); 18729 } 18730 } else { 18731 pw.println(); 18732 pw.println("No Intent Filter Verifier available!"); 18733 } 18734 } 18735 18736 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18737 boolean printedHeader = false; 18738 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18739 while (it.hasNext()) { 18740 String name = it.next(); 18741 SharedLibraryEntry ent = mSharedLibraries.get(name); 18742 if (!checkin) { 18743 if (!printedHeader) { 18744 if (dumpState.onTitlePrinted()) 18745 pw.println(); 18746 pw.println("Libraries:"); 18747 printedHeader = true; 18748 } 18749 pw.print(" "); 18750 } else { 18751 pw.print("lib,"); 18752 } 18753 pw.print(name); 18754 if (!checkin) { 18755 pw.print(" -> "); 18756 } 18757 if (ent.path != null) { 18758 if (!checkin) { 18759 pw.print("(jar) "); 18760 pw.print(ent.path); 18761 } else { 18762 pw.print(",jar,"); 18763 pw.print(ent.path); 18764 } 18765 } else { 18766 if (!checkin) { 18767 pw.print("(apk) "); 18768 pw.print(ent.apk); 18769 } else { 18770 pw.print(",apk,"); 18771 pw.print(ent.apk); 18772 } 18773 } 18774 pw.println(); 18775 } 18776 } 18777 18778 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18779 if (dumpState.onTitlePrinted()) 18780 pw.println(); 18781 if (!checkin) { 18782 pw.println("Features:"); 18783 } 18784 18785 for (FeatureInfo feat : mAvailableFeatures.values()) { 18786 if (checkin) { 18787 pw.print("feat,"); 18788 pw.print(feat.name); 18789 pw.print(","); 18790 pw.println(feat.version); 18791 } else { 18792 pw.print(" "); 18793 pw.print(feat.name); 18794 if (feat.version > 0) { 18795 pw.print(" version="); 18796 pw.print(feat.version); 18797 } 18798 pw.println(); 18799 } 18800 } 18801 } 18802 18803 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18804 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18805 : "Activity Resolver Table:", " ", packageName, 18806 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18807 dumpState.setTitlePrinted(true); 18808 } 18809 } 18810 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18811 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18812 : "Receiver Resolver Table:", " ", packageName, 18813 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18814 dumpState.setTitlePrinted(true); 18815 } 18816 } 18817 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18818 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18819 : "Service Resolver Table:", " ", packageName, 18820 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18821 dumpState.setTitlePrinted(true); 18822 } 18823 } 18824 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18825 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18826 : "Provider Resolver Table:", " ", packageName, 18827 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18828 dumpState.setTitlePrinted(true); 18829 } 18830 } 18831 18832 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18833 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18834 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18835 int user = mSettings.mPreferredActivities.keyAt(i); 18836 if (pir.dump(pw, 18837 dumpState.getTitlePrinted() 18838 ? "\nPreferred Activities User " + user + ":" 18839 : "Preferred Activities User " + user + ":", " ", 18840 packageName, true, false)) { 18841 dumpState.setTitlePrinted(true); 18842 } 18843 } 18844 } 18845 18846 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18847 pw.flush(); 18848 FileOutputStream fout = new FileOutputStream(fd); 18849 BufferedOutputStream str = new BufferedOutputStream(fout); 18850 XmlSerializer serializer = new FastXmlSerializer(); 18851 try { 18852 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18853 serializer.startDocument(null, true); 18854 serializer.setFeature( 18855 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18856 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18857 serializer.endDocument(); 18858 serializer.flush(); 18859 } catch (IllegalArgumentException e) { 18860 pw.println("Failed writing: " + e); 18861 } catch (IllegalStateException e) { 18862 pw.println("Failed writing: " + e); 18863 } catch (IOException e) { 18864 pw.println("Failed writing: " + e); 18865 } 18866 } 18867 18868 if (!checkin 18869 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18870 && packageName == null) { 18871 pw.println(); 18872 int count = mSettings.mPackages.size(); 18873 if (count == 0) { 18874 pw.println("No applications!"); 18875 pw.println(); 18876 } else { 18877 final String prefix = " "; 18878 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18879 if (allPackageSettings.size() == 0) { 18880 pw.println("No domain preferred apps!"); 18881 pw.println(); 18882 } else { 18883 pw.println("App verification status:"); 18884 pw.println(); 18885 count = 0; 18886 for (PackageSetting ps : allPackageSettings) { 18887 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18888 if (ivi == null || ivi.getPackageName() == null) continue; 18889 pw.println(prefix + "Package: " + ivi.getPackageName()); 18890 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18891 pw.println(prefix + "Status: " + ivi.getStatusString()); 18892 pw.println(); 18893 count++; 18894 } 18895 if (count == 0) { 18896 pw.println(prefix + "No app verification established."); 18897 pw.println(); 18898 } 18899 for (int userId : sUserManager.getUserIds()) { 18900 pw.println("App linkages for user " + userId + ":"); 18901 pw.println(); 18902 count = 0; 18903 for (PackageSetting ps : allPackageSettings) { 18904 final long status = ps.getDomainVerificationStatusForUser(userId); 18905 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18906 continue; 18907 } 18908 pw.println(prefix + "Package: " + ps.name); 18909 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18910 String statusStr = IntentFilterVerificationInfo. 18911 getStatusStringFromValue(status); 18912 pw.println(prefix + "Status: " + statusStr); 18913 pw.println(); 18914 count++; 18915 } 18916 if (count == 0) { 18917 pw.println(prefix + "No configured app linkages."); 18918 pw.println(); 18919 } 18920 } 18921 } 18922 } 18923 } 18924 18925 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18926 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18927 if (packageName == null && permissionNames == null) { 18928 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18929 if (iperm == 0) { 18930 if (dumpState.onTitlePrinted()) 18931 pw.println(); 18932 pw.println("AppOp Permissions:"); 18933 } 18934 pw.print(" AppOp Permission "); 18935 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18936 pw.println(":"); 18937 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18938 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18939 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18940 } 18941 } 18942 } 18943 } 18944 18945 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18946 boolean printedSomething = false; 18947 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18948 if (packageName != null && !packageName.equals(p.info.packageName)) { 18949 continue; 18950 } 18951 if (!printedSomething) { 18952 if (dumpState.onTitlePrinted()) 18953 pw.println(); 18954 pw.println("Registered ContentProviders:"); 18955 printedSomething = true; 18956 } 18957 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18958 pw.print(" "); pw.println(p.toString()); 18959 } 18960 printedSomething = false; 18961 for (Map.Entry<String, PackageParser.Provider> entry : 18962 mProvidersByAuthority.entrySet()) { 18963 PackageParser.Provider p = entry.getValue(); 18964 if (packageName != null && !packageName.equals(p.info.packageName)) { 18965 continue; 18966 } 18967 if (!printedSomething) { 18968 if (dumpState.onTitlePrinted()) 18969 pw.println(); 18970 pw.println("ContentProvider Authorities:"); 18971 printedSomething = true; 18972 } 18973 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18974 pw.print(" "); pw.println(p.toString()); 18975 if (p.info != null && p.info.applicationInfo != null) { 18976 final String appInfo = p.info.applicationInfo.toString(); 18977 pw.print(" applicationInfo="); pw.println(appInfo); 18978 } 18979 } 18980 } 18981 18982 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18983 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18984 } 18985 18986 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18987 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18988 } 18989 18990 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18991 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18992 } 18993 18994 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18995 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18996 } 18997 18998 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18999 // XXX should handle packageName != null by dumping only install data that 19000 // the given package is involved with. 19001 if (dumpState.onTitlePrinted()) pw.println(); 19002 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 19003 } 19004 19005 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 19006 // XXX should handle packageName != null by dumping only install data that 19007 // the given package is involved with. 19008 if (dumpState.onTitlePrinted()) pw.println(); 19009 19010 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19011 ipw.println(); 19012 ipw.println("Frozen packages:"); 19013 ipw.increaseIndent(); 19014 if (mFrozenPackages.size() == 0) { 19015 ipw.println("(none)"); 19016 } else { 19017 for (int i = 0; i < mFrozenPackages.size(); i++) { 19018 ipw.println(mFrozenPackages.valueAt(i)); 19019 } 19020 } 19021 ipw.decreaseIndent(); 19022 } 19023 19024 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 19025 if (dumpState.onTitlePrinted()) pw.println(); 19026 dumpDexoptStateLPr(pw, packageName); 19027 } 19028 19029 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 19030 if (dumpState.onTitlePrinted()) pw.println(); 19031 dumpCompilerStatsLPr(pw, packageName); 19032 } 19033 19034 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 19035 if (dumpState.onTitlePrinted()) pw.println(); 19036 mSettings.dumpReadMessagesLPr(pw, dumpState); 19037 19038 pw.println(); 19039 pw.println("Package warning messages:"); 19040 BufferedReader in = null; 19041 String line = null; 19042 try { 19043 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19044 while ((line = in.readLine()) != null) { 19045 if (line.contains("ignored: updated version")) continue; 19046 pw.println(line); 19047 } 19048 } catch (IOException ignored) { 19049 } finally { 19050 IoUtils.closeQuietly(in); 19051 } 19052 } 19053 19054 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 19055 BufferedReader in = null; 19056 String line = null; 19057 try { 19058 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19059 while ((line = in.readLine()) != null) { 19060 if (line.contains("ignored: updated version")) continue; 19061 pw.print("msg,"); 19062 pw.println(line); 19063 } 19064 } catch (IOException ignored) { 19065 } finally { 19066 IoUtils.closeQuietly(in); 19067 } 19068 } 19069 } 19070 } 19071 19072 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 19073 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19074 ipw.println(); 19075 ipw.println("Dexopt state:"); 19076 ipw.increaseIndent(); 19077 Collection<PackageParser.Package> packages = null; 19078 if (packageName != null) { 19079 PackageParser.Package targetPackage = mPackages.get(packageName); 19080 if (targetPackage != null) { 19081 packages = Collections.singletonList(targetPackage); 19082 } else { 19083 ipw.println("Unable to find package: " + packageName); 19084 return; 19085 } 19086 } else { 19087 packages = mPackages.values(); 19088 } 19089 19090 for (PackageParser.Package pkg : packages) { 19091 ipw.println("[" + pkg.packageName + "]"); 19092 ipw.increaseIndent(); 19093 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 19094 ipw.decreaseIndent(); 19095 } 19096 } 19097 19098 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 19099 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19100 ipw.println(); 19101 ipw.println("Compiler stats:"); 19102 ipw.increaseIndent(); 19103 Collection<PackageParser.Package> packages = null; 19104 if (packageName != null) { 19105 PackageParser.Package targetPackage = mPackages.get(packageName); 19106 if (targetPackage != null) { 19107 packages = Collections.singletonList(targetPackage); 19108 } else { 19109 ipw.println("Unable to find package: " + packageName); 19110 return; 19111 } 19112 } else { 19113 packages = mPackages.values(); 19114 } 19115 19116 for (PackageParser.Package pkg : packages) { 19117 ipw.println("[" + pkg.packageName + "]"); 19118 ipw.increaseIndent(); 19119 19120 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 19121 if (stats == null) { 19122 ipw.println("(No recorded stats)"); 19123 } else { 19124 stats.dump(ipw); 19125 } 19126 ipw.decreaseIndent(); 19127 } 19128 } 19129 19130 private String dumpDomainString(String packageName) { 19131 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 19132 .getList(); 19133 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 19134 19135 ArraySet<String> result = new ArraySet<>(); 19136 if (iviList.size() > 0) { 19137 for (IntentFilterVerificationInfo ivi : iviList) { 19138 for (String host : ivi.getDomains()) { 19139 result.add(host); 19140 } 19141 } 19142 } 19143 if (filters != null && filters.size() > 0) { 19144 for (IntentFilter filter : filters) { 19145 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 19146 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 19147 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 19148 result.addAll(filter.getHostsList()); 19149 } 19150 } 19151 } 19152 19153 StringBuilder sb = new StringBuilder(result.size() * 16); 19154 for (String domain : result) { 19155 if (sb.length() > 0) sb.append(" "); 19156 sb.append(domain); 19157 } 19158 return sb.toString(); 19159 } 19160 19161 // ------- apps on sdcard specific code ------- 19162 static final boolean DEBUG_SD_INSTALL = false; 19163 19164 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 19165 19166 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 19167 19168 private boolean mMediaMounted = false; 19169 19170 static String getEncryptKey() { 19171 try { 19172 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 19173 SD_ENCRYPTION_KEYSTORE_NAME); 19174 if (sdEncKey == null) { 19175 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 19176 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 19177 if (sdEncKey == null) { 19178 Slog.e(TAG, "Failed to create encryption keys"); 19179 return null; 19180 } 19181 } 19182 return sdEncKey; 19183 } catch (NoSuchAlgorithmException nsae) { 19184 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 19185 return null; 19186 } catch (IOException ioe) { 19187 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 19188 return null; 19189 } 19190 } 19191 19192 /* 19193 * Update media status on PackageManager. 19194 */ 19195 @Override 19196 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 19197 int callingUid = Binder.getCallingUid(); 19198 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 19199 throw new SecurityException("Media status can only be updated by the system"); 19200 } 19201 // reader; this apparently protects mMediaMounted, but should probably 19202 // be a different lock in that case. 19203 synchronized (mPackages) { 19204 Log.i(TAG, "Updating external media status from " 19205 + (mMediaMounted ? "mounted" : "unmounted") + " to " 19206 + (mediaStatus ? "mounted" : "unmounted")); 19207 if (DEBUG_SD_INSTALL) 19208 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 19209 + ", mMediaMounted=" + mMediaMounted); 19210 if (mediaStatus == mMediaMounted) { 19211 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 19212 : 0, -1); 19213 mHandler.sendMessage(msg); 19214 return; 19215 } 19216 mMediaMounted = mediaStatus; 19217 } 19218 // Queue up an async operation since the package installation may take a 19219 // little while. 19220 mHandler.post(new Runnable() { 19221 public void run() { 19222 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 19223 } 19224 }); 19225 } 19226 19227 /** 19228 * Called by MountService when the initial ASECs to scan are available. 19229 * Should block until all the ASEC containers are finished being scanned. 19230 */ 19231 public void scanAvailableAsecs() { 19232 updateExternalMediaStatusInner(true, false, false); 19233 } 19234 19235 /* 19236 * Collect information of applications on external media, map them against 19237 * existing containers and update information based on current mount status. 19238 * Please note that we always have to report status if reportStatus has been 19239 * set to true especially when unloading packages. 19240 */ 19241 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 19242 boolean externalStorage) { 19243 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 19244 int[] uidArr = EmptyArray.INT; 19245 19246 final String[] list = PackageHelper.getSecureContainerList(); 19247 if (ArrayUtils.isEmpty(list)) { 19248 Log.i(TAG, "No secure containers found"); 19249 } else { 19250 // Process list of secure containers and categorize them 19251 // as active or stale based on their package internal state. 19252 19253 // reader 19254 synchronized (mPackages) { 19255 for (String cid : list) { 19256 // Leave stages untouched for now; installer service owns them 19257 if (PackageInstallerService.isStageName(cid)) continue; 19258 19259 if (DEBUG_SD_INSTALL) 19260 Log.i(TAG, "Processing container " + cid); 19261 String pkgName = getAsecPackageName(cid); 19262 if (pkgName == null) { 19263 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19264 continue; 19265 } 19266 if (DEBUG_SD_INSTALL) 19267 Log.i(TAG, "Looking for pkg : " + pkgName); 19268 19269 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19270 if (ps == null) { 19271 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19272 continue; 19273 } 19274 19275 /* 19276 * Skip packages that are not external if we're unmounting 19277 * external storage. 19278 */ 19279 if (externalStorage && !isMounted && !isExternal(ps)) { 19280 continue; 19281 } 19282 19283 final AsecInstallArgs args = new AsecInstallArgs(cid, 19284 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19285 // The package status is changed only if the code path 19286 // matches between settings and the container id. 19287 if (ps.codePathString != null 19288 && ps.codePathString.startsWith(args.getCodePath())) { 19289 if (DEBUG_SD_INSTALL) { 19290 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19291 + " at code path: " + ps.codePathString); 19292 } 19293 19294 // We do have a valid package installed on sdcard 19295 processCids.put(args, ps.codePathString); 19296 final int uid = ps.appId; 19297 if (uid != -1) { 19298 uidArr = ArrayUtils.appendInt(uidArr, uid); 19299 } 19300 } else { 19301 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19302 + ps.codePathString); 19303 } 19304 } 19305 } 19306 19307 Arrays.sort(uidArr); 19308 } 19309 19310 // Process packages with valid entries. 19311 if (isMounted) { 19312 if (DEBUG_SD_INSTALL) 19313 Log.i(TAG, "Loading packages"); 19314 loadMediaPackages(processCids, uidArr, externalStorage); 19315 startCleaningPackages(); 19316 mInstallerService.onSecureContainersAvailable(); 19317 } else { 19318 if (DEBUG_SD_INSTALL) 19319 Log.i(TAG, "Unloading packages"); 19320 unloadMediaPackages(processCids, uidArr, reportStatus); 19321 } 19322 } 19323 19324 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19325 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19326 final int size = infos.size(); 19327 final String[] packageNames = new String[size]; 19328 final int[] packageUids = new int[size]; 19329 for (int i = 0; i < size; i++) { 19330 final ApplicationInfo info = infos.get(i); 19331 packageNames[i] = info.packageName; 19332 packageUids[i] = info.uid; 19333 } 19334 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19335 finishedReceiver); 19336 } 19337 19338 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19339 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19340 sendResourcesChangedBroadcast(mediaStatus, replacing, 19341 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19342 } 19343 19344 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19345 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19346 int size = pkgList.length; 19347 if (size > 0) { 19348 // Send broadcasts here 19349 Bundle extras = new Bundle(); 19350 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19351 if (uidArr != null) { 19352 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19353 } 19354 if (replacing) { 19355 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19356 } 19357 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19358 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19359 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19360 } 19361 } 19362 19363 /* 19364 * Look at potentially valid container ids from processCids If package 19365 * information doesn't match the one on record or package scanning fails, 19366 * the cid is added to list of removeCids. We currently don't delete stale 19367 * containers. 19368 */ 19369 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19370 boolean externalStorage) { 19371 ArrayList<String> pkgList = new ArrayList<String>(); 19372 Set<AsecInstallArgs> keys = processCids.keySet(); 19373 19374 for (AsecInstallArgs args : keys) { 19375 String codePath = processCids.get(args); 19376 if (DEBUG_SD_INSTALL) 19377 Log.i(TAG, "Loading container : " + args.cid); 19378 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19379 try { 19380 // Make sure there are no container errors first. 19381 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19382 Slog.e(TAG, "Failed to mount cid : " + args.cid 19383 + " when installing from sdcard"); 19384 continue; 19385 } 19386 // Check code path here. 19387 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19388 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19389 + " does not match one in settings " + codePath); 19390 continue; 19391 } 19392 // Parse package 19393 int parseFlags = mDefParseFlags; 19394 if (args.isExternalAsec()) { 19395 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19396 } 19397 if (args.isFwdLocked()) { 19398 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19399 } 19400 19401 synchronized (mInstallLock) { 19402 PackageParser.Package pkg = null; 19403 try { 19404 // Sadly we don't know the package name yet to freeze it 19405 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19406 SCAN_IGNORE_FROZEN, 0, null); 19407 } catch (PackageManagerException e) { 19408 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19409 } 19410 // Scan the package 19411 if (pkg != null) { 19412 /* 19413 * TODO why is the lock being held? doPostInstall is 19414 * called in other places without the lock. This needs 19415 * to be straightened out. 19416 */ 19417 // writer 19418 synchronized (mPackages) { 19419 retCode = PackageManager.INSTALL_SUCCEEDED; 19420 pkgList.add(pkg.packageName); 19421 // Post process args 19422 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19423 pkg.applicationInfo.uid); 19424 } 19425 } else { 19426 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19427 } 19428 } 19429 19430 } finally { 19431 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19432 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19433 } 19434 } 19435 } 19436 // writer 19437 synchronized (mPackages) { 19438 // If the platform SDK has changed since the last time we booted, 19439 // we need to re-grant app permission to catch any new ones that 19440 // appear. This is really a hack, and means that apps can in some 19441 // cases get permissions that the user didn't initially explicitly 19442 // allow... it would be nice to have some better way to handle 19443 // this situation. 19444 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19445 : mSettings.getInternalVersion(); 19446 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19447 : StorageManager.UUID_PRIVATE_INTERNAL; 19448 19449 int updateFlags = UPDATE_PERMISSIONS_ALL; 19450 if (ver.sdkVersion != mSdkVersion) { 19451 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19452 + mSdkVersion + "; regranting permissions for external"); 19453 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19454 } 19455 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19456 19457 // Yay, everything is now upgraded 19458 ver.forceCurrent(); 19459 19460 // can downgrade to reader 19461 // Persist settings 19462 mSettings.writeLPr(); 19463 } 19464 // Send a broadcast to let everyone know we are done processing 19465 if (pkgList.size() > 0) { 19466 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19467 } 19468 } 19469 19470 /* 19471 * Utility method to unload a list of specified containers 19472 */ 19473 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19474 // Just unmount all valid containers. 19475 for (AsecInstallArgs arg : cidArgs) { 19476 synchronized (mInstallLock) { 19477 arg.doPostDeleteLI(false); 19478 } 19479 } 19480 } 19481 19482 /* 19483 * Unload packages mounted on external media. This involves deleting package 19484 * data from internal structures, sending broadcasts about disabled packages, 19485 * gc'ing to free up references, unmounting all secure containers 19486 * corresponding to packages on external media, and posting a 19487 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19488 * that we always have to post this message if status has been requested no 19489 * matter what. 19490 */ 19491 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19492 final boolean reportStatus) { 19493 if (DEBUG_SD_INSTALL) 19494 Log.i(TAG, "unloading media packages"); 19495 ArrayList<String> pkgList = new ArrayList<String>(); 19496 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19497 final Set<AsecInstallArgs> keys = processCids.keySet(); 19498 for (AsecInstallArgs args : keys) { 19499 String pkgName = args.getPackageName(); 19500 if (DEBUG_SD_INSTALL) 19501 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19502 // Delete package internally 19503 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19504 synchronized (mInstallLock) { 19505 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19506 final boolean res; 19507 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19508 "unloadMediaPackages")) { 19509 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19510 null); 19511 } 19512 if (res) { 19513 pkgList.add(pkgName); 19514 } else { 19515 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19516 failedList.add(args); 19517 } 19518 } 19519 } 19520 19521 // reader 19522 synchronized (mPackages) { 19523 // We didn't update the settings after removing each package; 19524 // write them now for all packages. 19525 mSettings.writeLPr(); 19526 } 19527 19528 // We have to absolutely send UPDATED_MEDIA_STATUS only 19529 // after confirming that all the receivers processed the ordered 19530 // broadcast when packages get disabled, force a gc to clean things up. 19531 // and unload all the containers. 19532 if (pkgList.size() > 0) { 19533 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19534 new IIntentReceiver.Stub() { 19535 public void performReceive(Intent intent, int resultCode, String data, 19536 Bundle extras, boolean ordered, boolean sticky, 19537 int sendingUser) throws RemoteException { 19538 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19539 reportStatus ? 1 : 0, 1, keys); 19540 mHandler.sendMessage(msg); 19541 } 19542 }); 19543 } else { 19544 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19545 keys); 19546 mHandler.sendMessage(msg); 19547 } 19548 } 19549 19550 private void loadPrivatePackages(final VolumeInfo vol) { 19551 mHandler.post(new Runnable() { 19552 @Override 19553 public void run() { 19554 loadPrivatePackagesInner(vol); 19555 } 19556 }); 19557 } 19558 19559 private void loadPrivatePackagesInner(VolumeInfo vol) { 19560 final String volumeUuid = vol.fsUuid; 19561 if (TextUtils.isEmpty(volumeUuid)) { 19562 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19563 return; 19564 } 19565 19566 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19567 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19568 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19569 19570 final VersionInfo ver; 19571 final List<PackageSetting> packages; 19572 synchronized (mPackages) { 19573 ver = mSettings.findOrCreateVersion(volumeUuid); 19574 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19575 } 19576 19577 for (PackageSetting ps : packages) { 19578 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19579 synchronized (mInstallLock) { 19580 final PackageParser.Package pkg; 19581 try { 19582 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19583 loaded.add(pkg.applicationInfo); 19584 19585 } catch (PackageManagerException e) { 19586 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19587 } 19588 19589 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19590 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19591 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19592 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19593 } 19594 } 19595 } 19596 19597 // Reconcile app data for all started/unlocked users 19598 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19599 final UserManager um = mContext.getSystemService(UserManager.class); 19600 UserManagerInternal umInternal = getUserManagerInternal(); 19601 for (UserInfo user : um.getUsers()) { 19602 final int flags; 19603 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19604 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19605 } else if (umInternal.isUserRunning(user.id)) { 19606 flags = StorageManager.FLAG_STORAGE_DE; 19607 } else { 19608 continue; 19609 } 19610 19611 try { 19612 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19613 synchronized (mInstallLock) { 19614 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 19615 } 19616 } catch (IllegalStateException e) { 19617 // Device was probably ejected, and we'll process that event momentarily 19618 Slog.w(TAG, "Failed to prepare storage: " + e); 19619 } 19620 } 19621 19622 synchronized (mPackages) { 19623 int updateFlags = UPDATE_PERMISSIONS_ALL; 19624 if (ver.sdkVersion != mSdkVersion) { 19625 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19626 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19627 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19628 } 19629 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19630 19631 // Yay, everything is now upgraded 19632 ver.forceCurrent(); 19633 19634 mSettings.writeLPr(); 19635 } 19636 19637 for (PackageFreezer freezer : freezers) { 19638 freezer.close(); 19639 } 19640 19641 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19642 sendResourcesChangedBroadcast(true, false, loaded, null); 19643 } 19644 19645 private void unloadPrivatePackages(final VolumeInfo vol) { 19646 mHandler.post(new Runnable() { 19647 @Override 19648 public void run() { 19649 unloadPrivatePackagesInner(vol); 19650 } 19651 }); 19652 } 19653 19654 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19655 final String volumeUuid = vol.fsUuid; 19656 if (TextUtils.isEmpty(volumeUuid)) { 19657 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19658 return; 19659 } 19660 19661 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19662 synchronized (mInstallLock) { 19663 synchronized (mPackages) { 19664 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19665 for (PackageSetting ps : packages) { 19666 if (ps.pkg == null) continue; 19667 19668 final ApplicationInfo info = ps.pkg.applicationInfo; 19669 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19670 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19671 19672 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19673 "unloadPrivatePackagesInner")) { 19674 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19675 false, null)) { 19676 unloaded.add(info); 19677 } else { 19678 Slog.w(TAG, "Failed to unload " + ps.codePath); 19679 } 19680 } 19681 19682 // Try very hard to release any references to this package 19683 // so we don't risk the system server being killed due to 19684 // open FDs 19685 AttributeCache.instance().removePackage(ps.name); 19686 } 19687 19688 mSettings.writeLPr(); 19689 } 19690 } 19691 19692 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19693 sendResourcesChangedBroadcast(false, false, unloaded, null); 19694 19695 // Try very hard to release any references to this path so we don't risk 19696 // the system server being killed due to open FDs 19697 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19698 19699 for (int i = 0; i < 3; i++) { 19700 System.gc(); 19701 System.runFinalization(); 19702 } 19703 } 19704 19705 /** 19706 * Prepare storage areas for given user on all mounted devices. 19707 */ 19708 void prepareUserData(int userId, int userSerial, int flags) { 19709 synchronized (mInstallLock) { 19710 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19711 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19712 final String volumeUuid = vol.getFsUuid(); 19713 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19714 } 19715 } 19716 } 19717 19718 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19719 boolean allowRecover) { 19720 // Prepare storage and verify that serial numbers are consistent; if 19721 // there's a mismatch we need to destroy to avoid leaking data 19722 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19723 try { 19724 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19725 19726 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19727 UserManagerService.enforceSerialNumber( 19728 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19729 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19730 UserManagerService.enforceSerialNumber( 19731 Environment.getDataSystemDeDirectory(userId), userSerial); 19732 } 19733 } 19734 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19735 UserManagerService.enforceSerialNumber( 19736 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19737 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19738 UserManagerService.enforceSerialNumber( 19739 Environment.getDataSystemCeDirectory(userId), userSerial); 19740 } 19741 } 19742 19743 synchronized (mInstallLock) { 19744 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19745 } 19746 } catch (Exception e) { 19747 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19748 + " because we failed to prepare: " + e); 19749 destroyUserDataLI(volumeUuid, userId, 19750 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19751 19752 if (allowRecover) { 19753 // Try one last time; if we fail again we're really in trouble 19754 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19755 } 19756 } 19757 } 19758 19759 /** 19760 * Destroy storage areas for given user on all mounted devices. 19761 */ 19762 void destroyUserData(int userId, int flags) { 19763 synchronized (mInstallLock) { 19764 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19765 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19766 final String volumeUuid = vol.getFsUuid(); 19767 destroyUserDataLI(volumeUuid, userId, flags); 19768 } 19769 } 19770 } 19771 19772 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19773 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19774 try { 19775 // Clean up app data, profile data, and media data 19776 mInstaller.destroyUserData(volumeUuid, userId, flags); 19777 19778 // Clean up system data 19779 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19780 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19781 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19782 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19783 } 19784 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19785 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19786 } 19787 } 19788 19789 // Data with special labels is now gone, so finish the job 19790 storage.destroyUserStorage(volumeUuid, userId, flags); 19791 19792 } catch (Exception e) { 19793 logCriticalInfo(Log.WARN, 19794 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19795 } 19796 } 19797 19798 /** 19799 * Examine all users present on given mounted volume, and destroy data 19800 * belonging to users that are no longer valid, or whose user ID has been 19801 * recycled. 19802 */ 19803 private void reconcileUsers(String volumeUuid) { 19804 final List<File> files = new ArrayList<>(); 19805 Collections.addAll(files, FileUtils 19806 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19807 Collections.addAll(files, FileUtils 19808 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19809 Collections.addAll(files, FileUtils 19810 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19811 Collections.addAll(files, FileUtils 19812 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19813 for (File file : files) { 19814 if (!file.isDirectory()) continue; 19815 19816 final int userId; 19817 final UserInfo info; 19818 try { 19819 userId = Integer.parseInt(file.getName()); 19820 info = sUserManager.getUserInfo(userId); 19821 } catch (NumberFormatException e) { 19822 Slog.w(TAG, "Invalid user directory " + file); 19823 continue; 19824 } 19825 19826 boolean destroyUser = false; 19827 if (info == null) { 19828 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19829 + " because no matching user was found"); 19830 destroyUser = true; 19831 } else if (!mOnlyCore) { 19832 try { 19833 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19834 } catch (IOException e) { 19835 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19836 + " because we failed to enforce serial number: " + e); 19837 destroyUser = true; 19838 } 19839 } 19840 19841 if (destroyUser) { 19842 synchronized (mInstallLock) { 19843 destroyUserDataLI(volumeUuid, userId, 19844 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19845 } 19846 } 19847 } 19848 } 19849 19850 private void assertPackageKnown(String volumeUuid, String packageName) 19851 throws PackageManagerException { 19852 synchronized (mPackages) { 19853 final PackageSetting ps = mSettings.mPackages.get(packageName); 19854 if (ps == null) { 19855 throw new PackageManagerException("Package " + packageName + " is unknown"); 19856 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19857 throw new PackageManagerException( 19858 "Package " + packageName + " found on unknown volume " + volumeUuid 19859 + "; expected volume " + ps.volumeUuid); 19860 } 19861 } 19862 } 19863 19864 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19865 throws PackageManagerException { 19866 synchronized (mPackages) { 19867 final PackageSetting ps = mSettings.mPackages.get(packageName); 19868 if (ps == null) { 19869 throw new PackageManagerException("Package " + packageName + " is unknown"); 19870 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19871 throw new PackageManagerException( 19872 "Package " + packageName + " found on unknown volume " + volumeUuid 19873 + "; expected volume " + ps.volumeUuid); 19874 } else if (!ps.getInstalled(userId)) { 19875 throw new PackageManagerException( 19876 "Package " + packageName + " not installed for user " + userId); 19877 } 19878 } 19879 } 19880 19881 /** 19882 * Examine all apps present on given mounted volume, and destroy apps that 19883 * aren't expected, either due to uninstallation or reinstallation on 19884 * another volume. 19885 */ 19886 private void reconcileApps(String volumeUuid) { 19887 final File[] files = FileUtils 19888 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19889 for (File file : files) { 19890 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19891 && !PackageInstallerService.isStageName(file.getName()); 19892 if (!isPackage) { 19893 // Ignore entries which are not packages 19894 continue; 19895 } 19896 19897 try { 19898 final PackageLite pkg = PackageParser.parsePackageLite(file, 19899 PackageParser.PARSE_MUST_BE_APK); 19900 assertPackageKnown(volumeUuid, pkg.packageName); 19901 19902 } catch (PackageParserException | PackageManagerException e) { 19903 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19904 synchronized (mInstallLock) { 19905 removeCodePathLI(file); 19906 } 19907 } 19908 } 19909 } 19910 19911 /** 19912 * Reconcile all app data for the given user. 19913 * <p> 19914 * Verifies that directories exist and that ownership and labeling is 19915 * correct for all installed apps on all mounted volumes. 19916 */ 19917 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 19918 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19919 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19920 final String volumeUuid = vol.getFsUuid(); 19921 synchronized (mInstallLock) { 19922 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 19923 } 19924 } 19925 } 19926 19927 /** 19928 * Reconcile all app data on given mounted volume. 19929 * <p> 19930 * Destroys app data that isn't expected, either due to uninstallation or 19931 * reinstallation on another volume. 19932 * <p> 19933 * Verifies that directories exist and that ownership and labeling is 19934 * correct for all installed apps. 19935 */ 19936 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 19937 boolean migrateAppData) { 19938 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19939 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 19940 19941 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19942 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19943 19944 // First look for stale data that doesn't belong, and check if things 19945 // have changed since we did our last restorecon 19946 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19947 if (StorageManager.isFileEncryptedNativeOrEmulated() 19948 && !StorageManager.isUserKeyUnlocked(userId)) { 19949 throw new RuntimeException( 19950 "Yikes, someone asked us to reconcile CE storage while " + userId 19951 + " was still locked; this would have caused massive data loss!"); 19952 } 19953 19954 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19955 for (File file : files) { 19956 final String packageName = file.getName(); 19957 try { 19958 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19959 } catch (PackageManagerException e) { 19960 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19961 try { 19962 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19963 StorageManager.FLAG_STORAGE_CE, 0); 19964 } catch (InstallerException e2) { 19965 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19966 } 19967 } 19968 } 19969 } 19970 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19971 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19972 for (File file : files) { 19973 final String packageName = file.getName(); 19974 try { 19975 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19976 } catch (PackageManagerException e) { 19977 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19978 try { 19979 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19980 StorageManager.FLAG_STORAGE_DE, 0); 19981 } catch (InstallerException e2) { 19982 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19983 } 19984 } 19985 } 19986 } 19987 19988 // Ensure that data directories are ready to roll for all packages 19989 // installed for this volume and user 19990 final List<PackageSetting> packages; 19991 synchronized (mPackages) { 19992 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19993 } 19994 int preparedCount = 0; 19995 for (PackageSetting ps : packages) { 19996 final String packageName = ps.name; 19997 if (ps.pkg == null) { 19998 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19999 // TODO: might be due to legacy ASEC apps; we should circle back 20000 // and reconcile again once they're scanned 20001 continue; 20002 } 20003 20004 if (ps.getInstalled(userId)) { 20005 prepareAppDataLIF(ps.pkg, userId, flags); 20006 20007 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 20008 // We may have just shuffled around app data directories, so 20009 // prepare them one more time 20010 prepareAppDataLIF(ps.pkg, userId, flags); 20011 } 20012 20013 preparedCount++; 20014 } 20015 } 20016 20017 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 20018 } 20019 20020 /** 20021 * Prepare app data for the given app just after it was installed or 20022 * upgraded. This method carefully only touches users that it's installed 20023 * for, and it forces a restorecon to handle any seinfo changes. 20024 * <p> 20025 * Verifies that directories exist and that ownership and labeling is 20026 * correct for all installed apps. If there is an ownership mismatch, it 20027 * will try recovering system apps by wiping data; third-party app data is 20028 * left intact. 20029 * <p> 20030 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 20031 */ 20032 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 20033 final PackageSetting ps; 20034 synchronized (mPackages) { 20035 ps = mSettings.mPackages.get(pkg.packageName); 20036 mSettings.writeKernelMappingLPr(ps); 20037 } 20038 20039 final UserManager um = mContext.getSystemService(UserManager.class); 20040 UserManagerInternal umInternal = getUserManagerInternal(); 20041 for (UserInfo user : um.getUsers()) { 20042 final int flags; 20043 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 20044 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 20045 } else if (umInternal.isUserRunning(user.id)) { 20046 flags = StorageManager.FLAG_STORAGE_DE; 20047 } else { 20048 continue; 20049 } 20050 20051 if (ps.getInstalled(user.id)) { 20052 // TODO: when user data is locked, mark that we're still dirty 20053 prepareAppDataLIF(pkg, user.id, flags); 20054 } 20055 } 20056 } 20057 20058 /** 20059 * Prepare app data for the given app. 20060 * <p> 20061 * Verifies that directories exist and that ownership and labeling is 20062 * correct for all installed apps. If there is an ownership mismatch, this 20063 * will try recovering system apps by wiping data; third-party app data is 20064 * left intact. 20065 */ 20066 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 20067 if (pkg == null) { 20068 Slog.wtf(TAG, "Package was null!", new Throwable()); 20069 return; 20070 } 20071 prepareAppDataLeafLIF(pkg, userId, flags); 20072 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20073 for (int i = 0; i < childCount; i++) { 20074 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 20075 } 20076 } 20077 20078 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20079 if (DEBUG_APP_DATA) { 20080 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 20081 + Integer.toHexString(flags)); 20082 } 20083 20084 final String volumeUuid = pkg.volumeUuid; 20085 final String packageName = pkg.packageName; 20086 final ApplicationInfo app = pkg.applicationInfo; 20087 final int appId = UserHandle.getAppId(app.uid); 20088 20089 Preconditions.checkNotNull(app.seinfo); 20090 20091 try { 20092 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20093 appId, app.seinfo, app.targetSdkVersion); 20094 } catch (InstallerException e) { 20095 if (app.isSystemApp()) { 20096 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 20097 + ", but trying to recover: " + e); 20098 destroyAppDataLeafLIF(pkg, userId, flags); 20099 try { 20100 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20101 appId, app.seinfo, app.targetSdkVersion); 20102 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 20103 } catch (InstallerException e2) { 20104 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 20105 } 20106 } else { 20107 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 20108 } 20109 } 20110 20111 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20112 try { 20113 // CE storage is unlocked right now, so read out the inode and 20114 // remember for use later when it's locked 20115 // TODO: mark this structure as dirty so we persist it! 20116 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 20117 StorageManager.FLAG_STORAGE_CE); 20118 synchronized (mPackages) { 20119 final PackageSetting ps = mSettings.mPackages.get(packageName); 20120 if (ps != null) { 20121 ps.setCeDataInode(ceDataInode, userId); 20122 } 20123 } 20124 } catch (InstallerException e) { 20125 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 20126 } 20127 } 20128 20129 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20130 } 20131 20132 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 20133 if (pkg == null) { 20134 Slog.wtf(TAG, "Package was null!", new Throwable()); 20135 return; 20136 } 20137 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20138 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20139 for (int i = 0; i < childCount; i++) { 20140 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 20141 } 20142 } 20143 20144 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20145 final String volumeUuid = pkg.volumeUuid; 20146 final String packageName = pkg.packageName; 20147 final ApplicationInfo app = pkg.applicationInfo; 20148 20149 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20150 // Create a native library symlink only if we have native libraries 20151 // and if the native libraries are 32 bit libraries. We do not provide 20152 // this symlink for 64 bit libraries. 20153 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 20154 final String nativeLibPath = app.nativeLibraryDir; 20155 try { 20156 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 20157 nativeLibPath, userId); 20158 } catch (InstallerException e) { 20159 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 20160 } 20161 } 20162 } 20163 } 20164 20165 /** 20166 * For system apps on non-FBE devices, this method migrates any existing 20167 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 20168 * requested by the app. 20169 */ 20170 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 20171 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 20172 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 20173 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 20174 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 20175 try { 20176 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 20177 storageTarget); 20178 } catch (InstallerException e) { 20179 logCriticalInfo(Log.WARN, 20180 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 20181 } 20182 return true; 20183 } else { 20184 return false; 20185 } 20186 } 20187 20188 public PackageFreezer freezePackage(String packageName, String killReason) { 20189 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 20190 } 20191 20192 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 20193 return new PackageFreezer(packageName, userId, killReason); 20194 } 20195 20196 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 20197 String killReason) { 20198 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 20199 } 20200 20201 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 20202 String killReason) { 20203 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 20204 return new PackageFreezer(); 20205 } else { 20206 return freezePackage(packageName, userId, killReason); 20207 } 20208 } 20209 20210 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 20211 String killReason) { 20212 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 20213 } 20214 20215 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 20216 String killReason) { 20217 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 20218 return new PackageFreezer(); 20219 } else { 20220 return freezePackage(packageName, userId, killReason); 20221 } 20222 } 20223 20224 /** 20225 * Class that freezes and kills the given package upon creation, and 20226 * unfreezes it upon closing. This is typically used when doing surgery on 20227 * app code/data to prevent the app from running while you're working. 20228 */ 20229 private class PackageFreezer implements AutoCloseable { 20230 private final String mPackageName; 20231 private final PackageFreezer[] mChildren; 20232 20233 private final boolean mWeFroze; 20234 20235 private final AtomicBoolean mClosed = new AtomicBoolean(); 20236 private final CloseGuard mCloseGuard = CloseGuard.get(); 20237 20238 /** 20239 * Create and return a stub freezer that doesn't actually do anything, 20240 * typically used when someone requested 20241 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20242 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20243 */ 20244 public PackageFreezer() { 20245 mPackageName = null; 20246 mChildren = null; 20247 mWeFroze = false; 20248 mCloseGuard.open("close"); 20249 } 20250 20251 public PackageFreezer(String packageName, int userId, String killReason) { 20252 synchronized (mPackages) { 20253 mPackageName = packageName; 20254 mWeFroze = mFrozenPackages.add(mPackageName); 20255 20256 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20257 if (ps != null) { 20258 killApplication(ps.name, ps.appId, userId, killReason); 20259 } 20260 20261 final PackageParser.Package p = mPackages.get(packageName); 20262 if (p != null && p.childPackages != null) { 20263 final int N = p.childPackages.size(); 20264 mChildren = new PackageFreezer[N]; 20265 for (int i = 0; i < N; i++) { 20266 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20267 userId, killReason); 20268 } 20269 } else { 20270 mChildren = null; 20271 } 20272 } 20273 mCloseGuard.open("close"); 20274 } 20275 20276 @Override 20277 protected void finalize() throws Throwable { 20278 try { 20279 mCloseGuard.warnIfOpen(); 20280 close(); 20281 } finally { 20282 super.finalize(); 20283 } 20284 } 20285 20286 @Override 20287 public void close() { 20288 mCloseGuard.close(); 20289 if (mClosed.compareAndSet(false, true)) { 20290 synchronized (mPackages) { 20291 if (mWeFroze) { 20292 mFrozenPackages.remove(mPackageName); 20293 } 20294 20295 if (mChildren != null) { 20296 for (PackageFreezer freezer : mChildren) { 20297 freezer.close(); 20298 } 20299 } 20300 } 20301 } 20302 } 20303 } 20304 20305 /** 20306 * Verify that given package is currently frozen. 20307 */ 20308 private void checkPackageFrozen(String packageName) { 20309 synchronized (mPackages) { 20310 if (!mFrozenPackages.contains(packageName)) { 20311 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20312 } 20313 } 20314 } 20315 20316 @Override 20317 public int movePackage(final String packageName, final String volumeUuid) { 20318 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20319 20320 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20321 final int moveId = mNextMoveId.getAndIncrement(); 20322 mHandler.post(new Runnable() { 20323 @Override 20324 public void run() { 20325 try { 20326 movePackageInternal(packageName, volumeUuid, moveId, user); 20327 } catch (PackageManagerException e) { 20328 Slog.w(TAG, "Failed to move " + packageName, e); 20329 mMoveCallbacks.notifyStatusChanged(moveId, 20330 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20331 } 20332 } 20333 }); 20334 return moveId; 20335 } 20336 20337 private void movePackageInternal(final String packageName, final String volumeUuid, 20338 final int moveId, UserHandle user) throws PackageManagerException { 20339 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20340 final PackageManager pm = mContext.getPackageManager(); 20341 20342 final boolean currentAsec; 20343 final String currentVolumeUuid; 20344 final File codeFile; 20345 final String installerPackageName; 20346 final String packageAbiOverride; 20347 final int appId; 20348 final String seinfo; 20349 final String label; 20350 final int targetSdkVersion; 20351 final PackageFreezer freezer; 20352 final int[] installedUserIds; 20353 20354 // reader 20355 synchronized (mPackages) { 20356 final PackageParser.Package pkg = mPackages.get(packageName); 20357 final PackageSetting ps = mSettings.mPackages.get(packageName); 20358 if (pkg == null || ps == null) { 20359 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20360 } 20361 20362 if (pkg.applicationInfo.isSystemApp()) { 20363 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20364 "Cannot move system application"); 20365 } 20366 20367 if (pkg.applicationInfo.isExternalAsec()) { 20368 currentAsec = true; 20369 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20370 } else if (pkg.applicationInfo.isForwardLocked()) { 20371 currentAsec = true; 20372 currentVolumeUuid = "forward_locked"; 20373 } else { 20374 currentAsec = false; 20375 currentVolumeUuid = ps.volumeUuid; 20376 20377 final File probe = new File(pkg.codePath); 20378 final File probeOat = new File(probe, "oat"); 20379 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20380 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20381 "Move only supported for modern cluster style installs"); 20382 } 20383 } 20384 20385 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20386 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20387 "Package already moved to " + volumeUuid); 20388 } 20389 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20390 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20391 "Device admin cannot be moved"); 20392 } 20393 20394 if (mFrozenPackages.contains(packageName)) { 20395 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20396 "Failed to move already frozen package"); 20397 } 20398 20399 codeFile = new File(pkg.codePath); 20400 installerPackageName = ps.installerPackageName; 20401 packageAbiOverride = ps.cpuAbiOverrideString; 20402 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20403 seinfo = pkg.applicationInfo.seinfo; 20404 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20405 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20406 freezer = freezePackage(packageName, "movePackageInternal"); 20407 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20408 } 20409 20410 final Bundle extras = new Bundle(); 20411 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20412 extras.putString(Intent.EXTRA_TITLE, label); 20413 mMoveCallbacks.notifyCreated(moveId, extras); 20414 20415 int installFlags; 20416 final boolean moveCompleteApp; 20417 final File measurePath; 20418 20419 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20420 installFlags = INSTALL_INTERNAL; 20421 moveCompleteApp = !currentAsec; 20422 measurePath = Environment.getDataAppDirectory(volumeUuid); 20423 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20424 installFlags = INSTALL_EXTERNAL; 20425 moveCompleteApp = false; 20426 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20427 } else { 20428 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20429 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20430 || !volume.isMountedWritable()) { 20431 freezer.close(); 20432 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20433 "Move location not mounted private volume"); 20434 } 20435 20436 Preconditions.checkState(!currentAsec); 20437 20438 installFlags = INSTALL_INTERNAL; 20439 moveCompleteApp = true; 20440 measurePath = Environment.getDataAppDirectory(volumeUuid); 20441 } 20442 20443 final PackageStats stats = new PackageStats(null, -1); 20444 synchronized (mInstaller) { 20445 for (int userId : installedUserIds) { 20446 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20447 freezer.close(); 20448 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20449 "Failed to measure package size"); 20450 } 20451 } 20452 } 20453 20454 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20455 + stats.dataSize); 20456 20457 final long startFreeBytes = measurePath.getFreeSpace(); 20458 final long sizeBytes; 20459 if (moveCompleteApp) { 20460 sizeBytes = stats.codeSize + stats.dataSize; 20461 } else { 20462 sizeBytes = stats.codeSize; 20463 } 20464 20465 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20466 freezer.close(); 20467 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20468 "Not enough free space to move"); 20469 } 20470 20471 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20472 20473 final CountDownLatch installedLatch = new CountDownLatch(1); 20474 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20475 @Override 20476 public void onUserActionRequired(Intent intent) throws RemoteException { 20477 throw new IllegalStateException(); 20478 } 20479 20480 @Override 20481 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20482 Bundle extras) throws RemoteException { 20483 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20484 + PackageManager.installStatusToString(returnCode, msg)); 20485 20486 installedLatch.countDown(); 20487 freezer.close(); 20488 20489 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20490 switch (status) { 20491 case PackageInstaller.STATUS_SUCCESS: 20492 mMoveCallbacks.notifyStatusChanged(moveId, 20493 PackageManager.MOVE_SUCCEEDED); 20494 break; 20495 case PackageInstaller.STATUS_FAILURE_STORAGE: 20496 mMoveCallbacks.notifyStatusChanged(moveId, 20497 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20498 break; 20499 default: 20500 mMoveCallbacks.notifyStatusChanged(moveId, 20501 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20502 break; 20503 } 20504 } 20505 }; 20506 20507 final MoveInfo move; 20508 if (moveCompleteApp) { 20509 // Kick off a thread to report progress estimates 20510 new Thread() { 20511 @Override 20512 public void run() { 20513 while (true) { 20514 try { 20515 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20516 break; 20517 } 20518 } catch (InterruptedException ignored) { 20519 } 20520 20521 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20522 final int progress = 10 + (int) MathUtils.constrain( 20523 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20524 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20525 } 20526 } 20527 }.start(); 20528 20529 final String dataAppName = codeFile.getName(); 20530 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20531 dataAppName, appId, seinfo, targetSdkVersion); 20532 } else { 20533 move = null; 20534 } 20535 20536 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20537 20538 final Message msg = mHandler.obtainMessage(INIT_COPY); 20539 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20540 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20541 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20542 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20543 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20544 msg.obj = params; 20545 20546 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20547 System.identityHashCode(msg.obj)); 20548 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20549 System.identityHashCode(msg.obj)); 20550 20551 mHandler.sendMessage(msg); 20552 } 20553 20554 @Override 20555 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20556 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20557 20558 final int realMoveId = mNextMoveId.getAndIncrement(); 20559 final Bundle extras = new Bundle(); 20560 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20561 mMoveCallbacks.notifyCreated(realMoveId, extras); 20562 20563 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20564 @Override 20565 public void onCreated(int moveId, Bundle extras) { 20566 // Ignored 20567 } 20568 20569 @Override 20570 public void onStatusChanged(int moveId, int status, long estMillis) { 20571 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20572 } 20573 }; 20574 20575 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20576 storage.setPrimaryStorageUuid(volumeUuid, callback); 20577 return realMoveId; 20578 } 20579 20580 @Override 20581 public int getMoveStatus(int moveId) { 20582 mContext.enforceCallingOrSelfPermission( 20583 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20584 return mMoveCallbacks.mLastStatus.get(moveId); 20585 } 20586 20587 @Override 20588 public void registerMoveCallback(IPackageMoveObserver callback) { 20589 mContext.enforceCallingOrSelfPermission( 20590 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20591 mMoveCallbacks.register(callback); 20592 } 20593 20594 @Override 20595 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20596 mContext.enforceCallingOrSelfPermission( 20597 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20598 mMoveCallbacks.unregister(callback); 20599 } 20600 20601 @Override 20602 public boolean setInstallLocation(int loc) { 20603 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20604 null); 20605 if (getInstallLocation() == loc) { 20606 return true; 20607 } 20608 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20609 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20610 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20611 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20612 return true; 20613 } 20614 return false; 20615 } 20616 20617 @Override 20618 public int getInstallLocation() { 20619 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20620 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20621 PackageHelper.APP_INSTALL_AUTO); 20622 } 20623 20624 /** Called by UserManagerService */ 20625 void cleanUpUser(UserManagerService userManager, int userHandle) { 20626 synchronized (mPackages) { 20627 mDirtyUsers.remove(userHandle); 20628 mUserNeedsBadging.delete(userHandle); 20629 mSettings.removeUserLPw(userHandle); 20630 mPendingBroadcasts.remove(userHandle); 20631 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20632 removeUnusedPackagesLPw(userManager, userHandle); 20633 } 20634 } 20635 20636 /** 20637 * We're removing userHandle and would like to remove any downloaded packages 20638 * that are no longer in use by any other user. 20639 * @param userHandle the user being removed 20640 */ 20641 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20642 final boolean DEBUG_CLEAN_APKS = false; 20643 int [] users = userManager.getUserIds(); 20644 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20645 while (psit.hasNext()) { 20646 PackageSetting ps = psit.next(); 20647 if (ps.pkg == null) { 20648 continue; 20649 } 20650 final String packageName = ps.pkg.packageName; 20651 // Skip over if system app 20652 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20653 continue; 20654 } 20655 if (DEBUG_CLEAN_APKS) { 20656 Slog.i(TAG, "Checking package " + packageName); 20657 } 20658 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20659 if (keep) { 20660 if (DEBUG_CLEAN_APKS) { 20661 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20662 } 20663 } else { 20664 for (int i = 0; i < users.length; i++) { 20665 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20666 keep = true; 20667 if (DEBUG_CLEAN_APKS) { 20668 Slog.i(TAG, " Keeping package " + packageName + " for user " 20669 + users[i]); 20670 } 20671 break; 20672 } 20673 } 20674 } 20675 if (!keep) { 20676 if (DEBUG_CLEAN_APKS) { 20677 Slog.i(TAG, " Removing package " + packageName); 20678 } 20679 mHandler.post(new Runnable() { 20680 public void run() { 20681 deletePackageX(packageName, userHandle, 0); 20682 } //end run 20683 }); 20684 } 20685 } 20686 } 20687 20688 /** Called by UserManagerService */ 20689 void createNewUser(int userId, String[] disallowedPackages) { 20690 synchronized (mInstallLock) { 20691 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 20692 } 20693 synchronized (mPackages) { 20694 scheduleWritePackageRestrictionsLocked(userId); 20695 scheduleWritePackageListLocked(userId); 20696 applyFactoryDefaultBrowserLPw(userId); 20697 primeDomainVerificationsLPw(userId); 20698 } 20699 } 20700 20701 void onNewUserCreated(final int userId) { 20702 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20703 // If permission review for legacy apps is required, we represent 20704 // dagerous permissions for such apps as always granted runtime 20705 // permissions to keep per user flag state whether review is needed. 20706 // Hence, if a new user is added we have to propagate dangerous 20707 // permission grants for these legacy apps. 20708 if (mPermissionReviewRequired) { 20709 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20710 | UPDATE_PERMISSIONS_REPLACE_ALL); 20711 } 20712 } 20713 20714 @Override 20715 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20716 mContext.enforceCallingOrSelfPermission( 20717 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20718 "Only package verification agents can read the verifier device identity"); 20719 20720 synchronized (mPackages) { 20721 return mSettings.getVerifierDeviceIdentityLPw(); 20722 } 20723 } 20724 20725 @Override 20726 public void setPermissionEnforced(String permission, boolean enforced) { 20727 // TODO: Now that we no longer change GID for storage, this should to away. 20728 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20729 "setPermissionEnforced"); 20730 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20731 synchronized (mPackages) { 20732 if (mSettings.mReadExternalStorageEnforced == null 20733 || mSettings.mReadExternalStorageEnforced != enforced) { 20734 mSettings.mReadExternalStorageEnforced = enforced; 20735 mSettings.writeLPr(); 20736 } 20737 } 20738 // kill any non-foreground processes so we restart them and 20739 // grant/revoke the GID. 20740 final IActivityManager am = ActivityManagerNative.getDefault(); 20741 if (am != null) { 20742 final long token = Binder.clearCallingIdentity(); 20743 try { 20744 am.killProcessesBelowForeground("setPermissionEnforcement"); 20745 } catch (RemoteException e) { 20746 } finally { 20747 Binder.restoreCallingIdentity(token); 20748 } 20749 } 20750 } else { 20751 throw new IllegalArgumentException("No selective enforcement for " + permission); 20752 } 20753 } 20754 20755 @Override 20756 @Deprecated 20757 public boolean isPermissionEnforced(String permission) { 20758 return true; 20759 } 20760 20761 @Override 20762 public boolean isStorageLow() { 20763 final long token = Binder.clearCallingIdentity(); 20764 try { 20765 final DeviceStorageMonitorInternal 20766 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20767 if (dsm != null) { 20768 return dsm.isMemoryLow(); 20769 } else { 20770 return false; 20771 } 20772 } finally { 20773 Binder.restoreCallingIdentity(token); 20774 } 20775 } 20776 20777 @Override 20778 public IPackageInstaller getPackageInstaller() { 20779 return mInstallerService; 20780 } 20781 20782 private boolean userNeedsBadging(int userId) { 20783 int index = mUserNeedsBadging.indexOfKey(userId); 20784 if (index < 0) { 20785 final UserInfo userInfo; 20786 final long token = Binder.clearCallingIdentity(); 20787 try { 20788 userInfo = sUserManager.getUserInfo(userId); 20789 } finally { 20790 Binder.restoreCallingIdentity(token); 20791 } 20792 final boolean b; 20793 if (userInfo != null && userInfo.isManagedProfile()) { 20794 b = true; 20795 } else { 20796 b = false; 20797 } 20798 mUserNeedsBadging.put(userId, b); 20799 return b; 20800 } 20801 return mUserNeedsBadging.valueAt(index); 20802 } 20803 20804 @Override 20805 public KeySet getKeySetByAlias(String packageName, String alias) { 20806 if (packageName == null || alias == null) { 20807 return null; 20808 } 20809 synchronized(mPackages) { 20810 final PackageParser.Package pkg = mPackages.get(packageName); 20811 if (pkg == null) { 20812 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20813 throw new IllegalArgumentException("Unknown package: " + packageName); 20814 } 20815 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20816 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20817 } 20818 } 20819 20820 @Override 20821 public KeySet getSigningKeySet(String packageName) { 20822 if (packageName == null) { 20823 return null; 20824 } 20825 synchronized(mPackages) { 20826 final PackageParser.Package pkg = mPackages.get(packageName); 20827 if (pkg == null) { 20828 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20829 throw new IllegalArgumentException("Unknown package: " + packageName); 20830 } 20831 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20832 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20833 throw new SecurityException("May not access signing KeySet of other apps."); 20834 } 20835 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20836 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20837 } 20838 } 20839 20840 @Override 20841 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20842 if (packageName == null || ks == null) { 20843 return false; 20844 } 20845 synchronized(mPackages) { 20846 final PackageParser.Package pkg = mPackages.get(packageName); 20847 if (pkg == null) { 20848 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20849 throw new IllegalArgumentException("Unknown package: " + packageName); 20850 } 20851 IBinder ksh = ks.getToken(); 20852 if (ksh instanceof KeySetHandle) { 20853 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20854 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20855 } 20856 return false; 20857 } 20858 } 20859 20860 @Override 20861 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20862 if (packageName == null || ks == null) { 20863 return false; 20864 } 20865 synchronized(mPackages) { 20866 final PackageParser.Package pkg = mPackages.get(packageName); 20867 if (pkg == null) { 20868 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20869 throw new IllegalArgumentException("Unknown package: " + packageName); 20870 } 20871 IBinder ksh = ks.getToken(); 20872 if (ksh instanceof KeySetHandle) { 20873 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20874 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20875 } 20876 return false; 20877 } 20878 } 20879 20880 private void deletePackageIfUnusedLPr(final String packageName) { 20881 PackageSetting ps = mSettings.mPackages.get(packageName); 20882 if (ps == null) { 20883 return; 20884 } 20885 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20886 // TODO Implement atomic delete if package is unused 20887 // It is currently possible that the package will be deleted even if it is installed 20888 // after this method returns. 20889 mHandler.post(new Runnable() { 20890 public void run() { 20891 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20892 } 20893 }); 20894 } 20895 } 20896 20897 /** 20898 * Check and throw if the given before/after packages would be considered a 20899 * downgrade. 20900 */ 20901 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20902 throws PackageManagerException { 20903 if (after.versionCode < before.mVersionCode) { 20904 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20905 "Update version code " + after.versionCode + " is older than current " 20906 + before.mVersionCode); 20907 } else if (after.versionCode == before.mVersionCode) { 20908 if (after.baseRevisionCode < before.baseRevisionCode) { 20909 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20910 "Update base revision code " + after.baseRevisionCode 20911 + " is older than current " + before.baseRevisionCode); 20912 } 20913 20914 if (!ArrayUtils.isEmpty(after.splitNames)) { 20915 for (int i = 0; i < after.splitNames.length; i++) { 20916 final String splitName = after.splitNames[i]; 20917 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20918 if (j != -1) { 20919 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20920 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20921 "Update split " + splitName + " revision code " 20922 + after.splitRevisionCodes[i] + " is older than current " 20923 + before.splitRevisionCodes[j]); 20924 } 20925 } 20926 } 20927 } 20928 } 20929 } 20930 20931 private static class MoveCallbacks extends Handler { 20932 private static final int MSG_CREATED = 1; 20933 private static final int MSG_STATUS_CHANGED = 2; 20934 20935 private final RemoteCallbackList<IPackageMoveObserver> 20936 mCallbacks = new RemoteCallbackList<>(); 20937 20938 private final SparseIntArray mLastStatus = new SparseIntArray(); 20939 20940 public MoveCallbacks(Looper looper) { 20941 super(looper); 20942 } 20943 20944 public void register(IPackageMoveObserver callback) { 20945 mCallbacks.register(callback); 20946 } 20947 20948 public void unregister(IPackageMoveObserver callback) { 20949 mCallbacks.unregister(callback); 20950 } 20951 20952 @Override 20953 public void handleMessage(Message msg) { 20954 final SomeArgs args = (SomeArgs) msg.obj; 20955 final int n = mCallbacks.beginBroadcast(); 20956 for (int i = 0; i < n; i++) { 20957 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20958 try { 20959 invokeCallback(callback, msg.what, args); 20960 } catch (RemoteException ignored) { 20961 } 20962 } 20963 mCallbacks.finishBroadcast(); 20964 args.recycle(); 20965 } 20966 20967 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20968 throws RemoteException { 20969 switch (what) { 20970 case MSG_CREATED: { 20971 callback.onCreated(args.argi1, (Bundle) args.arg2); 20972 break; 20973 } 20974 case MSG_STATUS_CHANGED: { 20975 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20976 break; 20977 } 20978 } 20979 } 20980 20981 private void notifyCreated(int moveId, Bundle extras) { 20982 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20983 20984 final SomeArgs args = SomeArgs.obtain(); 20985 args.argi1 = moveId; 20986 args.arg2 = extras; 20987 obtainMessage(MSG_CREATED, args).sendToTarget(); 20988 } 20989 20990 private void notifyStatusChanged(int moveId, int status) { 20991 notifyStatusChanged(moveId, status, -1); 20992 } 20993 20994 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20995 Slog.v(TAG, "Move " + moveId + " status " + status); 20996 20997 final SomeArgs args = SomeArgs.obtain(); 20998 args.argi1 = moveId; 20999 args.argi2 = status; 21000 args.arg3 = estMillis; 21001 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 21002 21003 synchronized (mLastStatus) { 21004 mLastStatus.put(moveId, status); 21005 } 21006 } 21007 } 21008 21009 private final static class OnPermissionChangeListeners extends Handler { 21010 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 21011 21012 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 21013 new RemoteCallbackList<>(); 21014 21015 public OnPermissionChangeListeners(Looper looper) { 21016 super(looper); 21017 } 21018 21019 @Override 21020 public void handleMessage(Message msg) { 21021 switch (msg.what) { 21022 case MSG_ON_PERMISSIONS_CHANGED: { 21023 final int uid = msg.arg1; 21024 handleOnPermissionsChanged(uid); 21025 } break; 21026 } 21027 } 21028 21029 public void addListenerLocked(IOnPermissionsChangeListener listener) { 21030 mPermissionListeners.register(listener); 21031 21032 } 21033 21034 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 21035 mPermissionListeners.unregister(listener); 21036 } 21037 21038 public void onPermissionsChanged(int uid) { 21039 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 21040 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 21041 } 21042 } 21043 21044 private void handleOnPermissionsChanged(int uid) { 21045 final int count = mPermissionListeners.beginBroadcast(); 21046 try { 21047 for (int i = 0; i < count; i++) { 21048 IOnPermissionsChangeListener callback = mPermissionListeners 21049 .getBroadcastItem(i); 21050 try { 21051 callback.onPermissionsChanged(uid); 21052 } catch (RemoteException e) { 21053 Log.e(TAG, "Permission listener is dead", e); 21054 } 21055 } 21056 } finally { 21057 mPermissionListeners.finishBroadcast(); 21058 } 21059 } 21060 } 21061 21062 private class PackageManagerInternalImpl extends PackageManagerInternal { 21063 @Override 21064 public void setLocationPackagesProvider(PackagesProvider provider) { 21065 synchronized (mPackages) { 21066 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 21067 } 21068 } 21069 21070 @Override 21071 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 21072 synchronized (mPackages) { 21073 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 21074 } 21075 } 21076 21077 @Override 21078 public void setSmsAppPackagesProvider(PackagesProvider provider) { 21079 synchronized (mPackages) { 21080 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 21081 } 21082 } 21083 21084 @Override 21085 public void setDialerAppPackagesProvider(PackagesProvider provider) { 21086 synchronized (mPackages) { 21087 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 21088 } 21089 } 21090 21091 @Override 21092 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 21093 synchronized (mPackages) { 21094 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 21095 } 21096 } 21097 21098 @Override 21099 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 21100 synchronized (mPackages) { 21101 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 21102 } 21103 } 21104 21105 @Override 21106 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 21107 synchronized (mPackages) { 21108 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 21109 packageName, userId); 21110 } 21111 } 21112 21113 @Override 21114 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 21115 synchronized (mPackages) { 21116 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 21117 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 21118 packageName, userId); 21119 } 21120 } 21121 21122 @Override 21123 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 21124 synchronized (mPackages) { 21125 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 21126 packageName, userId); 21127 } 21128 } 21129 21130 @Override 21131 public void setKeepUninstalledPackages(final List<String> packageList) { 21132 Preconditions.checkNotNull(packageList); 21133 List<String> removedFromList = null; 21134 synchronized (mPackages) { 21135 if (mKeepUninstalledPackages != null) { 21136 final int packagesCount = mKeepUninstalledPackages.size(); 21137 for (int i = 0; i < packagesCount; i++) { 21138 String oldPackage = mKeepUninstalledPackages.get(i); 21139 if (packageList != null && packageList.contains(oldPackage)) { 21140 continue; 21141 } 21142 if (removedFromList == null) { 21143 removedFromList = new ArrayList<>(); 21144 } 21145 removedFromList.add(oldPackage); 21146 } 21147 } 21148 mKeepUninstalledPackages = new ArrayList<>(packageList); 21149 if (removedFromList != null) { 21150 final int removedCount = removedFromList.size(); 21151 for (int i = 0; i < removedCount; i++) { 21152 deletePackageIfUnusedLPr(removedFromList.get(i)); 21153 } 21154 } 21155 } 21156 } 21157 21158 @Override 21159 public boolean isPermissionsReviewRequired(String packageName, int userId) { 21160 synchronized (mPackages) { 21161 // If we do not support permission review, done. 21162 if (!mPermissionReviewRequired) { 21163 return false; 21164 } 21165 21166 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 21167 if (packageSetting == null) { 21168 return false; 21169 } 21170 21171 // Permission review applies only to apps not supporting the new permission model. 21172 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 21173 return false; 21174 } 21175 21176 // Legacy apps have the permission and get user consent on launch. 21177 PermissionsState permissionsState = packageSetting.getPermissionsState(); 21178 return permissionsState.isPermissionReviewRequired(userId); 21179 } 21180 } 21181 21182 @Override 21183 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 21184 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 21185 } 21186 21187 @Override 21188 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 21189 int userId) { 21190 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 21191 } 21192 21193 @Override 21194 public void setDeviceAndProfileOwnerPackages( 21195 int deviceOwnerUserId, String deviceOwnerPackage, 21196 SparseArray<String> profileOwnerPackages) { 21197 mProtectedPackages.setDeviceAndProfileOwnerPackages( 21198 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 21199 } 21200 21201 @Override 21202 public boolean isPackageDataProtected(int userId, String packageName) { 21203 return mProtectedPackages.isPackageDataProtected(userId, packageName); 21204 } 21205 21206 @Override 21207 public boolean wasPackageEverLaunched(String packageName, int userId) { 21208 synchronized (mPackages) { 21209 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 21210 } 21211 } 21212 21213 @Override 21214 public void grantRuntimePermission(String packageName, String name, int userId, 21215 boolean overridePolicy) { 21216 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 21217 overridePolicy); 21218 } 21219 21220 @Override 21221 public void revokeRuntimePermission(String packageName, String name, int userId, 21222 boolean overridePolicy) { 21223 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 21224 overridePolicy); 21225 } 21226 } 21227 21228 @Override 21229 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 21230 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 21231 synchronized (mPackages) { 21232 final long identity = Binder.clearCallingIdentity(); 21233 try { 21234 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 21235 packageNames, userId); 21236 } finally { 21237 Binder.restoreCallingIdentity(identity); 21238 } 21239 } 21240 } 21241 21242 private static void enforceSystemOrPhoneCaller(String tag) { 21243 int callingUid = Binder.getCallingUid(); 21244 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 21245 throw new SecurityException( 21246 "Cannot call " + tag + " from UID " + callingUid); 21247 } 21248 } 21249 21250 boolean isHistoricalPackageUsageAvailable() { 21251 return mPackageUsage.isHistoricalPackageUsageAvailable(); 21252 } 21253 21254 /** 21255 * Return a <b>copy</b> of the collection of packages known to the package manager. 21256 * @return A copy of the values of mPackages. 21257 */ 21258 Collection<PackageParser.Package> getPackages() { 21259 synchronized (mPackages) { 21260 return new ArrayList<>(mPackages.values()); 21261 } 21262 } 21263 21264 /** 21265 * Logs process start information (including base APK hash) to the security log. 21266 * @hide 21267 */ 21268 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21269 String apkFile, int pid) { 21270 if (!SecurityLog.isLoggingEnabled()) { 21271 return; 21272 } 21273 Bundle data = new Bundle(); 21274 data.putLong("startTimestamp", System.currentTimeMillis()); 21275 data.putString("processName", processName); 21276 data.putInt("uid", uid); 21277 data.putString("seinfo", seinfo); 21278 data.putString("apkFile", apkFile); 21279 data.putInt("pid", pid); 21280 Message msg = mProcessLoggingHandler.obtainMessage( 21281 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21282 msg.setData(data); 21283 mProcessLoggingHandler.sendMessage(msg); 21284 } 21285 21286 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21287 return mCompilerStats.getPackageStats(pkgName); 21288 } 21289 21290 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21291 return getOrCreateCompilerPackageStats(pkg.packageName); 21292 } 21293 21294 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21295 return mCompilerStats.getOrCreatePackageStats(pkgName); 21296 } 21297 21298 public void deleteCompilerPackageStats(String pkgName) { 21299 mCompilerStats.deletePackageStats(pkgName); 21300 } 21301} 21302