PackageManagerService.java revision 973edd19db752483f5958f974068c89fead1371b
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.Context; 113import android.content.IIntentReceiver; 114import android.content.Intent; 115import android.content.IntentFilter; 116import android.content.IntentSender; 117import android.content.IntentSender.SendIntentException; 118import android.content.ServiceConnection; 119import android.content.pm.ActivityInfo; 120import android.content.pm.ApplicationInfo; 121import android.content.pm.AppsQueryHelper; 122import android.content.pm.ComponentInfo; 123import android.content.pm.EphemeralApplicationInfo; 124import android.content.pm.EphemeralResolveInfo; 125import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 126import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 127import android.content.pm.FeatureInfo; 128import android.content.pm.IOnPermissionsChangeListener; 129import android.content.pm.IPackageDataObserver; 130import android.content.pm.IPackageDeleteObserver; 131import android.content.pm.IPackageDeleteObserver2; 132import android.content.pm.IPackageInstallObserver2; 133import android.content.pm.IPackageInstaller; 134import android.content.pm.IPackageManager; 135import android.content.pm.IPackageMoveObserver; 136import android.content.pm.IPackageStatsObserver; 137import android.content.pm.InstrumentationInfo; 138import android.content.pm.IntentFilterVerificationInfo; 139import android.content.pm.KeySet; 140import android.content.pm.PackageCleanItem; 141import android.content.pm.PackageInfo; 142import android.content.pm.PackageInfoLite; 143import android.content.pm.PackageInstaller; 144import android.content.pm.PackageManager; 145import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 146import android.content.pm.PackageManagerInternal; 147import android.content.pm.PackageParser; 148import android.content.pm.PackageParser.ActivityIntentInfo; 149import android.content.pm.PackageParser.PackageLite; 150import android.content.pm.PackageParser.PackageParserException; 151import android.content.pm.PackageStats; 152import android.content.pm.PackageUserState; 153import android.content.pm.ParceledListSlice; 154import android.content.pm.PermissionGroupInfo; 155import android.content.pm.PermissionInfo; 156import android.content.pm.ProviderInfo; 157import android.content.pm.ResolveInfo; 158import android.content.pm.ServiceInfo; 159import android.content.pm.Signature; 160import android.content.pm.UserInfo; 161import android.content.pm.VerifierDeviceIdentity; 162import android.content.pm.VerifierInfo; 163import android.content.res.Resources; 164import android.graphics.Bitmap; 165import android.hardware.display.DisplayManager; 166import android.net.Uri; 167import android.os.Binder; 168import android.os.Build; 169import android.os.Bundle; 170import android.os.Debug; 171import android.os.Environment; 172import android.os.Environment.UserEnvironment; 173import android.os.FileUtils; 174import android.os.Handler; 175import android.os.IBinder; 176import android.os.Looper; 177import android.os.Message; 178import android.os.Parcel; 179import android.os.ParcelFileDescriptor; 180import android.os.PatternMatcher; 181import android.os.Process; 182import android.os.RemoteCallbackList; 183import android.os.RemoteException; 184import android.os.ResultReceiver; 185import android.os.SELinux; 186import android.os.ServiceManager; 187import android.os.SystemClock; 188import android.os.SystemProperties; 189import android.os.Trace; 190import android.os.UserHandle; 191import android.os.UserManager; 192import android.os.UserManagerInternal; 193import android.os.storage.IMountService; 194import android.os.storage.MountServiceInternal; 195import android.os.storage.StorageEventListener; 196import android.os.storage.StorageManager; 197import android.os.storage.VolumeInfo; 198import android.os.storage.VolumeRecord; 199import android.provider.Settings.Global; 200import android.provider.Settings.Secure; 201import android.security.KeyStore; 202import android.security.SystemKeyStore; 203import android.system.ErrnoException; 204import android.system.Os; 205import android.text.TextUtils; 206import android.text.format.DateUtils; 207import android.util.ArrayMap; 208import android.util.ArraySet; 209import android.util.DisplayMetrics; 210import android.util.EventLog; 211import android.util.ExceptionUtils; 212import android.util.Log; 213import android.util.LogPrinter; 214import android.util.MathUtils; 215import android.util.Pair; 216import android.util.PrintStreamPrinter; 217import android.util.Slog; 218import android.util.SparseArray; 219import android.util.SparseBooleanArray; 220import android.util.SparseIntArray; 221import android.util.Xml; 222import android.util.jar.StrictJarFile; 223import android.view.Display; 224 225import com.android.internal.R; 226import com.android.internal.annotations.GuardedBy; 227import com.android.internal.app.IMediaContainerService; 228import com.android.internal.app.ResolverActivity; 229import com.android.internal.content.NativeLibraryHelper; 230import com.android.internal.content.PackageHelper; 231import com.android.internal.logging.MetricsLogger; 232import com.android.internal.os.IParcelFileDescriptorFactory; 233import com.android.internal.os.InstallerConnection.InstallerException; 234import com.android.internal.os.SomeArgs; 235import com.android.internal.os.Zygote; 236import com.android.internal.telephony.CarrierAppUtils; 237import com.android.internal.util.ArrayUtils; 238import com.android.internal.util.FastPrintWriter; 239import com.android.internal.util.FastXmlSerializer; 240import com.android.internal.util.IndentingPrintWriter; 241import com.android.internal.util.Preconditions; 242import com.android.internal.util.XmlUtils; 243import com.android.server.AttributeCache; 244import com.android.server.EventLogTags; 245import com.android.server.FgThread; 246import com.android.server.IntentResolver; 247import com.android.server.LocalServices; 248import com.android.server.ServiceThread; 249import com.android.server.SystemConfig; 250import com.android.server.Watchdog; 251import com.android.server.net.NetworkPolicyManagerInternal; 252import com.android.server.pm.PermissionsState.PermissionState; 253import com.android.server.pm.Settings.DatabaseVersion; 254import com.android.server.pm.Settings.VersionInfo; 255import com.android.server.storage.DeviceStorageMonitorInternal; 256 257import dalvik.system.CloseGuard; 258import dalvik.system.DexFile; 259import dalvik.system.VMRuntime; 260 261import libcore.io.IoUtils; 262import libcore.util.EmptyArray; 263 264import org.xmlpull.v1.XmlPullParser; 265import org.xmlpull.v1.XmlPullParserException; 266import org.xmlpull.v1.XmlSerializer; 267 268import java.io.BufferedOutputStream; 269import java.io.BufferedReader; 270import java.io.ByteArrayInputStream; 271import java.io.ByteArrayOutputStream; 272import java.io.File; 273import java.io.FileDescriptor; 274import java.io.FileInputStream; 275import java.io.FileNotFoundException; 276import java.io.FileOutputStream; 277import java.io.FileReader; 278import java.io.FilenameFilter; 279import java.io.IOException; 280import java.io.PrintWriter; 281import java.nio.charset.StandardCharsets; 282import java.security.DigestInputStream; 283import java.security.MessageDigest; 284import java.security.NoSuchAlgorithmException; 285import java.security.PublicKey; 286import java.security.cert.Certificate; 287import java.security.cert.CertificateEncodingException; 288import java.security.cert.CertificateException; 289import java.text.SimpleDateFormat; 290import java.util.ArrayList; 291import java.util.Arrays; 292import java.util.Collection; 293import java.util.Collections; 294import java.util.Comparator; 295import java.util.Date; 296import java.util.HashSet; 297import java.util.Iterator; 298import java.util.List; 299import java.util.Map; 300import java.util.Objects; 301import java.util.Set; 302import java.util.concurrent.CountDownLatch; 303import java.util.concurrent.TimeUnit; 304import java.util.concurrent.atomic.AtomicBoolean; 305import java.util.concurrent.atomic.AtomicInteger; 306 307/** 308 * Keep track of all those APKs everywhere. 309 * <p> 310 * Internally there are two important locks: 311 * <ul> 312 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 313 * and other related state. It is a fine-grained lock that should only be held 314 * momentarily, as it's one of the most contended locks in the system. 315 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 316 * operations typically involve heavy lifting of application data on disk. Since 317 * {@code installd} is single-threaded, and it's operations can often be slow, 318 * this lock should never be acquired while already holding {@link #mPackages}. 319 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 320 * holding {@link #mInstallLock}. 321 * </ul> 322 * Many internal methods rely on the caller to hold the appropriate locks, and 323 * this contract is expressed through method name suffixes: 324 * <ul> 325 * <li>fooLI(): the caller must hold {@link #mInstallLock} 326 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 327 * being modified must be frozen 328 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 329 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 330 * </ul> 331 * <p> 332 * Because this class is very central to the platform's security; please run all 333 * CTS and unit tests whenever making modifications: 334 * 335 * <pre> 336 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 337 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 338 * </pre> 339 */ 340public class PackageManagerService extends IPackageManager.Stub { 341 static final String TAG = "PackageManager"; 342 static final boolean DEBUG_SETTINGS = false; 343 static final boolean DEBUG_PREFERRED = false; 344 static final boolean DEBUG_UPGRADE = false; 345 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 346 private static final boolean DEBUG_BACKUP = false; 347 private static final boolean DEBUG_INSTALL = false; 348 private static final boolean DEBUG_REMOVE = false; 349 private static final boolean DEBUG_BROADCASTS = false; 350 private static final boolean DEBUG_SHOW_INFO = false; 351 private static final boolean DEBUG_PACKAGE_INFO = false; 352 private static final boolean DEBUG_INTENT_MATCHING = false; 353 private static final boolean DEBUG_PACKAGE_SCANNING = false; 354 private static final boolean DEBUG_VERIFY = false; 355 private static final boolean DEBUG_FILTERS = false; 356 357 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 358 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 359 // user, but by default initialize to this. 360 static final boolean DEBUG_DEXOPT = false; 361 362 private static final boolean DEBUG_ABI_SELECTION = false; 363 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 364 private static final boolean DEBUG_TRIAGED_MISSING = false; 365 private static final boolean DEBUG_APP_DATA = false; 366 367 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 368 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 369 370 private static final boolean DISABLE_EPHEMERAL_APPS = false; 371 private static final boolean HIDE_EPHEMERAL_APIS = true; 372 373 private static final int RADIO_UID = Process.PHONE_UID; 374 private static final int LOG_UID = Process.LOG_UID; 375 private static final int NFC_UID = Process.NFC_UID; 376 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 377 private static final int SHELL_UID = Process.SHELL_UID; 378 379 // Cap the size of permission trees that 3rd party apps can define 380 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 381 382 // Suffix used during package installation when copying/moving 383 // package apks to install directory. 384 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 385 386 static final int SCAN_NO_DEX = 1<<1; 387 static final int SCAN_FORCE_DEX = 1<<2; 388 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 389 static final int SCAN_NEW_INSTALL = 1<<4; 390 static final int SCAN_NO_PATHS = 1<<5; 391 static final int SCAN_UPDATE_TIME = 1<<6; 392 static final int SCAN_DEFER_DEX = 1<<7; 393 static final int SCAN_BOOTING = 1<<8; 394 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 395 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 396 static final int SCAN_REPLACING = 1<<11; 397 static final int SCAN_REQUIRE_KNOWN = 1<<12; 398 static final int SCAN_MOVE = 1<<13; 399 static final int SCAN_INITIAL = 1<<14; 400 static final int SCAN_CHECK_ONLY = 1<<15; 401 static final int SCAN_DONT_KILL_APP = 1<<17; 402 static final int SCAN_IGNORE_FROZEN = 1<<18; 403 404 static final int REMOVE_CHATTY = 1<<16; 405 406 private static final int[] EMPTY_INT_ARRAY = new int[0]; 407 408 /** 409 * Timeout (in milliseconds) after which the watchdog should declare that 410 * our handler thread is wedged. The usual default for such things is one 411 * minute but we sometimes do very lengthy I/O operations on this thread, 412 * such as installing multi-gigabyte applications, so ours needs to be longer. 413 */ 414 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 415 416 /** 417 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 418 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 419 * settings entry if available, otherwise we use the hardcoded default. If it's been 420 * more than this long since the last fstrim, we force one during the boot sequence. 421 * 422 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 423 * one gets run at the next available charging+idle time. This final mandatory 424 * no-fstrim check kicks in only of the other scheduling criteria is never met. 425 */ 426 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 427 428 /** 429 * Whether verification is enabled by default. 430 */ 431 private static final boolean DEFAULT_VERIFY_ENABLE = true; 432 433 /** 434 * The default maximum time to wait for the verification agent to return in 435 * milliseconds. 436 */ 437 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 438 439 /** 440 * The default response for package verification timeout. 441 * 442 * This can be either PackageManager.VERIFICATION_ALLOW or 443 * PackageManager.VERIFICATION_REJECT. 444 */ 445 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 446 447 static final String PLATFORM_PACKAGE_NAME = "android"; 448 449 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 450 451 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 452 DEFAULT_CONTAINER_PACKAGE, 453 "com.android.defcontainer.DefaultContainerService"); 454 455 private static final String KILL_APP_REASON_GIDS_CHANGED = 456 "permission grant or revoke changed gids"; 457 458 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 459 "permissions revoked"; 460 461 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 462 463 private static final String PACKAGE_SCHEME = "package"; 464 465 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 466 467 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 468 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 469 470 /** Permission grant: not grant the permission. */ 471 private static final int GRANT_DENIED = 1; 472 473 /** Permission grant: grant the permission as an install permission. */ 474 private static final int GRANT_INSTALL = 2; 475 476 /** Permission grant: grant the permission as a runtime one. */ 477 private static final int GRANT_RUNTIME = 3; 478 479 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 480 private static final int GRANT_UPGRADE = 4; 481 482 /** Canonical intent used to identify what counts as a "web browser" app */ 483 private static final Intent sBrowserIntent; 484 static { 485 sBrowserIntent = new Intent(); 486 sBrowserIntent.setAction(Intent.ACTION_VIEW); 487 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 488 sBrowserIntent.setData(Uri.parse("http:")); 489 } 490 491 /** 492 * The set of all protected actions [i.e. those actions for which a high priority 493 * intent filter is disallowed]. 494 */ 495 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 496 static { 497 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 498 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 499 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 500 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 501 } 502 503 // Compilation reasons. 504 public static final int REASON_FIRST_BOOT = 0; 505 public static final int REASON_BOOT = 1; 506 public static final int REASON_INSTALL = 2; 507 public static final int REASON_BACKGROUND_DEXOPT = 3; 508 public static final int REASON_AB_OTA = 4; 509 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 510 public static final int REASON_SHARED_APK = 6; 511 public static final int REASON_FORCED_DEXOPT = 7; 512 public static final int REASON_CORE_APP = 8; 513 514 public static final int REASON_LAST = REASON_CORE_APP; 515 516 /** Special library name that skips shared libraries check during compilation. */ 517 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 518 519 final ServiceThread mHandlerThread; 520 521 final PackageHandler mHandler; 522 523 private final ProcessLoggingHandler mProcessLoggingHandler; 524 525 /** 526 * Messages for {@link #mHandler} that need to wait for system ready before 527 * being dispatched. 528 */ 529 private ArrayList<Message> mPostSystemReadyMessages; 530 531 final int mSdkVersion = Build.VERSION.SDK_INT; 532 533 final Context mContext; 534 final boolean mFactoryTest; 535 final boolean mOnlyCore; 536 final DisplayMetrics mMetrics; 537 final int mDefParseFlags; 538 final String[] mSeparateProcesses; 539 final boolean mIsUpgrade; 540 final boolean mIsPreNUpgrade; 541 final boolean mIsPreNMR1Upgrade; 542 543 @GuardedBy("mPackages") 544 private boolean mDexOptDialogShown; 545 546 /** The location for ASEC container files on internal storage. */ 547 final String mAsecInternalPath; 548 549 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 550 // LOCK HELD. Can be called with mInstallLock held. 551 @GuardedBy("mInstallLock") 552 final Installer mInstaller; 553 554 /** Directory where installed third-party apps stored */ 555 final File mAppInstallDir; 556 final File mEphemeralInstallDir; 557 558 /** 559 * Directory to which applications installed internally have their 560 * 32 bit native libraries copied. 561 */ 562 private File mAppLib32InstallDir; 563 564 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 565 // apps. 566 final File mDrmAppPrivateInstallDir; 567 568 // ---------------------------------------------------------------- 569 570 // Lock for state used when installing and doing other long running 571 // operations. Methods that must be called with this lock held have 572 // the suffix "LI". 573 final Object mInstallLock = new Object(); 574 575 // ---------------------------------------------------------------- 576 577 // Keys are String (package name), values are Package. This also serves 578 // as the lock for the global state. Methods that must be called with 579 // this lock held have the prefix "LP". 580 @GuardedBy("mPackages") 581 final ArrayMap<String, PackageParser.Package> mPackages = 582 new ArrayMap<String, PackageParser.Package>(); 583 584 final ArrayMap<String, Set<String>> mKnownCodebase = 585 new ArrayMap<String, Set<String>>(); 586 587 // Tracks available target package names -> overlay package paths. 588 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 589 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 590 591 /** 592 * Tracks new system packages [received in an OTA] that we expect to 593 * find updated user-installed versions. Keys are package name, values 594 * are package location. 595 */ 596 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 597 /** 598 * Tracks high priority intent filters for protected actions. During boot, certain 599 * filter actions are protected and should never be allowed to have a high priority 600 * intent filter for them. However, there is one, and only one exception -- the 601 * setup wizard. It must be able to define a high priority intent filter for these 602 * actions to ensure there are no escapes from the wizard. We need to delay processing 603 * of these during boot as we need to look at all of the system packages in order 604 * to know which component is the setup wizard. 605 */ 606 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 607 /** 608 * Whether or not processing protected filters should be deferred. 609 */ 610 private boolean mDeferProtectedFilters = true; 611 612 /** 613 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 614 */ 615 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 616 /** 617 * Whether or not system app permissions should be promoted from install to runtime. 618 */ 619 boolean mPromoteSystemApps; 620 621 @GuardedBy("mPackages") 622 final Settings mSettings; 623 624 /** 625 * Set of package names that are currently "frozen", which means active 626 * surgery is being done on the code/data for that package. The platform 627 * will refuse to launch frozen packages to avoid race conditions. 628 * 629 * @see PackageFreezer 630 */ 631 @GuardedBy("mPackages") 632 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 633 634 final ProtectedPackages mProtectedPackages; 635 636 boolean mFirstBoot; 637 638 // System configuration read by SystemConfig. 639 final int[] mGlobalGids; 640 final SparseArray<ArraySet<String>> mSystemPermissions; 641 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 642 643 // If mac_permissions.xml was found for seinfo labeling. 644 boolean mFoundPolicyFile; 645 646 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 647 648 public static final class SharedLibraryEntry { 649 public final String path; 650 public final String apk; 651 652 SharedLibraryEntry(String _path, String _apk) { 653 path = _path; 654 apk = _apk; 655 } 656 } 657 658 // Currently known shared libraries. 659 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 660 new ArrayMap<String, SharedLibraryEntry>(); 661 662 // All available activities, for your resolving pleasure. 663 final ActivityIntentResolver mActivities = 664 new ActivityIntentResolver(); 665 666 // All available receivers, for your resolving pleasure. 667 final ActivityIntentResolver mReceivers = 668 new ActivityIntentResolver(); 669 670 // All available services, for your resolving pleasure. 671 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 672 673 // All available providers, for your resolving pleasure. 674 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 675 676 // Mapping from provider base names (first directory in content URI codePath) 677 // to the provider information. 678 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 679 new ArrayMap<String, PackageParser.Provider>(); 680 681 // Mapping from instrumentation class names to info about them. 682 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 683 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 684 685 // Mapping from permission names to info about them. 686 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 687 new ArrayMap<String, PackageParser.PermissionGroup>(); 688 689 // Packages whose data we have transfered into another package, thus 690 // should no longer exist. 691 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 692 693 // Broadcast actions that are only available to the system. 694 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 695 696 /** List of packages waiting for verification. */ 697 final SparseArray<PackageVerificationState> mPendingVerification 698 = new SparseArray<PackageVerificationState>(); 699 700 /** Set of packages associated with each app op permission. */ 701 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 702 703 final PackageInstallerService mInstallerService; 704 705 private final PackageDexOptimizer mPackageDexOptimizer; 706 707 private AtomicInteger mNextMoveId = new AtomicInteger(); 708 private final MoveCallbacks mMoveCallbacks; 709 710 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 711 712 // Cache of users who need badging. 713 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 714 715 /** Token for keys in mPendingVerification. */ 716 private int mPendingVerificationToken = 0; 717 718 volatile boolean mSystemReady; 719 volatile boolean mSafeMode; 720 volatile boolean mHasSystemUidErrors; 721 722 ApplicationInfo mAndroidApplication; 723 final ActivityInfo mResolveActivity = new ActivityInfo(); 724 final ResolveInfo mResolveInfo = new ResolveInfo(); 725 ComponentName mResolveComponentName; 726 PackageParser.Package mPlatformPackage; 727 ComponentName mCustomResolverComponentName; 728 729 boolean mResolverReplaced = false; 730 731 private final @Nullable ComponentName mIntentFilterVerifierComponent; 732 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 733 734 private int mIntentFilterVerificationToken = 0; 735 736 /** Component that knows whether or not an ephemeral application exists */ 737 final ComponentName mEphemeralResolverComponent; 738 /** The service connection to the ephemeral resolver */ 739 final EphemeralResolverConnection mEphemeralResolverConnection; 740 741 /** Component used to install ephemeral applications */ 742 final ComponentName mEphemeralInstallerComponent; 743 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 744 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 745 746 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 747 = new SparseArray<IntentFilterVerificationState>(); 748 749 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 750 751 // List of packages names to keep cached, even if they are uninstalled for all users 752 private List<String> mKeepUninstalledPackages; 753 754 private UserManagerInternal mUserManagerInternal; 755 756 private static class IFVerificationParams { 757 PackageParser.Package pkg; 758 boolean replacing; 759 int userId; 760 int verifierUid; 761 762 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 763 int _userId, int _verifierUid) { 764 pkg = _pkg; 765 replacing = _replacing; 766 userId = _userId; 767 replacing = _replacing; 768 verifierUid = _verifierUid; 769 } 770 } 771 772 private interface IntentFilterVerifier<T extends IntentFilter> { 773 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 774 T filter, String packageName); 775 void startVerifications(int userId); 776 void receiveVerificationResponse(int verificationId); 777 } 778 779 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 780 private Context mContext; 781 private ComponentName mIntentFilterVerifierComponent; 782 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 783 784 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 785 mContext = context; 786 mIntentFilterVerifierComponent = verifierComponent; 787 } 788 789 private String getDefaultScheme() { 790 return IntentFilter.SCHEME_HTTPS; 791 } 792 793 @Override 794 public void startVerifications(int userId) { 795 // Launch verifications requests 796 int count = mCurrentIntentFilterVerifications.size(); 797 for (int n=0; n<count; n++) { 798 int verificationId = mCurrentIntentFilterVerifications.get(n); 799 final IntentFilterVerificationState ivs = 800 mIntentFilterVerificationStates.get(verificationId); 801 802 String packageName = ivs.getPackageName(); 803 804 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 805 final int filterCount = filters.size(); 806 ArraySet<String> domainsSet = new ArraySet<>(); 807 for (int m=0; m<filterCount; m++) { 808 PackageParser.ActivityIntentInfo filter = filters.get(m); 809 domainsSet.addAll(filter.getHostsList()); 810 } 811 synchronized (mPackages) { 812 if (mSettings.createIntentFilterVerificationIfNeededLPw( 813 packageName, domainsSet) != null) { 814 scheduleWriteSettingsLocked(); 815 } 816 } 817 sendVerificationRequest(userId, verificationId, ivs); 818 } 819 mCurrentIntentFilterVerifications.clear(); 820 } 821 822 private void sendVerificationRequest(int userId, int verificationId, 823 IntentFilterVerificationState ivs) { 824 825 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 826 verificationIntent.putExtra( 827 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 828 verificationId); 829 verificationIntent.putExtra( 830 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 831 getDefaultScheme()); 832 verificationIntent.putExtra( 833 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 834 ivs.getHostsString()); 835 verificationIntent.putExtra( 836 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 837 ivs.getPackageName()); 838 verificationIntent.setComponent(mIntentFilterVerifierComponent); 839 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 840 841 UserHandle user = new UserHandle(userId); 842 mContext.sendBroadcastAsUser(verificationIntent, user); 843 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 844 "Sending IntentFilter verification broadcast"); 845 } 846 847 public void receiveVerificationResponse(int verificationId) { 848 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 849 850 final boolean verified = ivs.isVerified(); 851 852 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 853 final int count = filters.size(); 854 if (DEBUG_DOMAIN_VERIFICATION) { 855 Slog.i(TAG, "Received verification response " + verificationId 856 + " for " + count + " filters, verified=" + verified); 857 } 858 for (int n=0; n<count; n++) { 859 PackageParser.ActivityIntentInfo filter = filters.get(n); 860 filter.setVerified(verified); 861 862 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 863 + " verified with result:" + verified + " and hosts:" 864 + ivs.getHostsString()); 865 } 866 867 mIntentFilterVerificationStates.remove(verificationId); 868 869 final String packageName = ivs.getPackageName(); 870 IntentFilterVerificationInfo ivi = null; 871 872 synchronized (mPackages) { 873 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 874 } 875 if (ivi == null) { 876 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 877 + verificationId + " packageName:" + packageName); 878 return; 879 } 880 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 881 "Updating IntentFilterVerificationInfo for package " + packageName 882 +" verificationId:" + verificationId); 883 884 synchronized (mPackages) { 885 if (verified) { 886 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 887 } else { 888 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 889 } 890 scheduleWriteSettingsLocked(); 891 892 final int userId = ivs.getUserId(); 893 if (userId != UserHandle.USER_ALL) { 894 final int userStatus = 895 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 896 897 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 898 boolean needUpdate = false; 899 900 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 901 // already been set by the User thru the Disambiguation dialog 902 switch (userStatus) { 903 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 904 if (verified) { 905 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 906 } else { 907 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 908 } 909 needUpdate = true; 910 break; 911 912 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 913 if (verified) { 914 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 915 needUpdate = true; 916 } 917 break; 918 919 default: 920 // Nothing to do 921 } 922 923 if (needUpdate) { 924 mSettings.updateIntentFilterVerificationStatusLPw( 925 packageName, updatedStatus, userId); 926 scheduleWritePackageRestrictionsLocked(userId); 927 } 928 } 929 } 930 } 931 932 @Override 933 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 934 ActivityIntentInfo filter, String packageName) { 935 if (!hasValidDomains(filter)) { 936 return false; 937 } 938 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 939 if (ivs == null) { 940 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 941 packageName); 942 } 943 if (DEBUG_DOMAIN_VERIFICATION) { 944 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 945 } 946 ivs.addFilter(filter); 947 return true; 948 } 949 950 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 951 int userId, int verificationId, String packageName) { 952 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 953 verifierUid, userId, packageName); 954 ivs.setPendingState(); 955 synchronized (mPackages) { 956 mIntentFilterVerificationStates.append(verificationId, ivs); 957 mCurrentIntentFilterVerifications.add(verificationId); 958 } 959 return ivs; 960 } 961 } 962 963 private static boolean hasValidDomains(ActivityIntentInfo filter) { 964 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 965 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 966 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 967 } 968 969 // Set of pending broadcasts for aggregating enable/disable of components. 970 static class PendingPackageBroadcasts { 971 // for each user id, a map of <package name -> components within that package> 972 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 973 974 public PendingPackageBroadcasts() { 975 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 976 } 977 978 public ArrayList<String> get(int userId, String packageName) { 979 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 980 return packages.get(packageName); 981 } 982 983 public void put(int userId, String packageName, ArrayList<String> components) { 984 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 985 packages.put(packageName, components); 986 } 987 988 public void remove(int userId, String packageName) { 989 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 990 if (packages != null) { 991 packages.remove(packageName); 992 } 993 } 994 995 public void remove(int userId) { 996 mUidMap.remove(userId); 997 } 998 999 public int userIdCount() { 1000 return mUidMap.size(); 1001 } 1002 1003 public int userIdAt(int n) { 1004 return mUidMap.keyAt(n); 1005 } 1006 1007 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1008 return mUidMap.get(userId); 1009 } 1010 1011 public int size() { 1012 // total number of pending broadcast entries across all userIds 1013 int num = 0; 1014 for (int i = 0; i< mUidMap.size(); i++) { 1015 num += mUidMap.valueAt(i).size(); 1016 } 1017 return num; 1018 } 1019 1020 public void clear() { 1021 mUidMap.clear(); 1022 } 1023 1024 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1025 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1026 if (map == null) { 1027 map = new ArrayMap<String, ArrayList<String>>(); 1028 mUidMap.put(userId, map); 1029 } 1030 return map; 1031 } 1032 } 1033 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1034 1035 // Service Connection to remote media container service to copy 1036 // package uri's from external media onto secure containers 1037 // or internal storage. 1038 private IMediaContainerService mContainerService = null; 1039 1040 static final int SEND_PENDING_BROADCAST = 1; 1041 static final int MCS_BOUND = 3; 1042 static final int END_COPY = 4; 1043 static final int INIT_COPY = 5; 1044 static final int MCS_UNBIND = 6; 1045 static final int START_CLEANING_PACKAGE = 7; 1046 static final int FIND_INSTALL_LOC = 8; 1047 static final int POST_INSTALL = 9; 1048 static final int MCS_RECONNECT = 10; 1049 static final int MCS_GIVE_UP = 11; 1050 static final int UPDATED_MEDIA_STATUS = 12; 1051 static final int WRITE_SETTINGS = 13; 1052 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1053 static final int PACKAGE_VERIFIED = 15; 1054 static final int CHECK_PENDING_VERIFICATION = 16; 1055 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1056 static final int INTENT_FILTER_VERIFIED = 18; 1057 static final int WRITE_PACKAGE_LIST = 19; 1058 1059 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1060 1061 // Delay time in millisecs 1062 static final int BROADCAST_DELAY = 10 * 1000; 1063 1064 static UserManagerService sUserManager; 1065 1066 // Stores a list of users whose package restrictions file needs to be updated 1067 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1068 1069 final private DefaultContainerConnection mDefContainerConn = 1070 new DefaultContainerConnection(); 1071 class DefaultContainerConnection implements ServiceConnection { 1072 public void onServiceConnected(ComponentName name, IBinder service) { 1073 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1074 IMediaContainerService imcs = 1075 IMediaContainerService.Stub.asInterface(service); 1076 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1077 } 1078 1079 public void onServiceDisconnected(ComponentName name) { 1080 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1081 } 1082 } 1083 1084 // Recordkeeping of restore-after-install operations that are currently in flight 1085 // between the Package Manager and the Backup Manager 1086 static class PostInstallData { 1087 public InstallArgs args; 1088 public PackageInstalledInfo res; 1089 1090 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1091 args = _a; 1092 res = _r; 1093 } 1094 } 1095 1096 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1097 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1098 1099 // XML tags for backup/restore of various bits of state 1100 private static final String TAG_PREFERRED_BACKUP = "pa"; 1101 private static final String TAG_DEFAULT_APPS = "da"; 1102 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1103 1104 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1105 private static final String TAG_ALL_GRANTS = "rt-grants"; 1106 private static final String TAG_GRANT = "grant"; 1107 private static final String ATTR_PACKAGE_NAME = "pkg"; 1108 1109 private static final String TAG_PERMISSION = "perm"; 1110 private static final String ATTR_PERMISSION_NAME = "name"; 1111 private static final String ATTR_IS_GRANTED = "g"; 1112 private static final String ATTR_USER_SET = "set"; 1113 private static final String ATTR_USER_FIXED = "fixed"; 1114 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1115 1116 // System/policy permission grants are not backed up 1117 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1118 FLAG_PERMISSION_POLICY_FIXED 1119 | FLAG_PERMISSION_SYSTEM_FIXED 1120 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1121 1122 // And we back up these user-adjusted states 1123 private static final int USER_RUNTIME_GRANT_MASK = 1124 FLAG_PERMISSION_USER_SET 1125 | FLAG_PERMISSION_USER_FIXED 1126 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1127 1128 final @Nullable String mRequiredVerifierPackage; 1129 final @NonNull String mRequiredInstallerPackage; 1130 final @NonNull String mRequiredUninstallerPackage; 1131 final @Nullable String mSetupWizardPackage; 1132 final @Nullable String mStorageManagerPackage; 1133 final @NonNull String mServicesSystemSharedLibraryPackageName; 1134 final @NonNull String mSharedSystemSharedLibraryPackageName; 1135 1136 final boolean mPermissionReviewRequired; 1137 1138 private final PackageUsage mPackageUsage = new PackageUsage(); 1139 private final CompilerStats mCompilerStats = new CompilerStats(); 1140 1141 class PackageHandler extends Handler { 1142 private boolean mBound = false; 1143 final ArrayList<HandlerParams> mPendingInstalls = 1144 new ArrayList<HandlerParams>(); 1145 1146 private boolean connectToService() { 1147 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1148 " DefaultContainerService"); 1149 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1150 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1151 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1152 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1153 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1154 mBound = true; 1155 return true; 1156 } 1157 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1158 return false; 1159 } 1160 1161 private void disconnectService() { 1162 mContainerService = null; 1163 mBound = false; 1164 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1165 mContext.unbindService(mDefContainerConn); 1166 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1167 } 1168 1169 PackageHandler(Looper looper) { 1170 super(looper); 1171 } 1172 1173 public void handleMessage(Message msg) { 1174 try { 1175 doHandleMessage(msg); 1176 } finally { 1177 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1178 } 1179 } 1180 1181 void doHandleMessage(Message msg) { 1182 switch (msg.what) { 1183 case INIT_COPY: { 1184 HandlerParams params = (HandlerParams) msg.obj; 1185 int idx = mPendingInstalls.size(); 1186 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1187 // If a bind was already initiated we dont really 1188 // need to do anything. The pending install 1189 // will be processed later on. 1190 if (!mBound) { 1191 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1192 System.identityHashCode(mHandler)); 1193 // If this is the only one pending we might 1194 // have to bind to the service again. 1195 if (!connectToService()) { 1196 Slog.e(TAG, "Failed to bind to media container service"); 1197 params.serviceError(); 1198 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1199 System.identityHashCode(mHandler)); 1200 if (params.traceMethod != null) { 1201 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1202 params.traceCookie); 1203 } 1204 return; 1205 } else { 1206 // Once we bind to the service, the first 1207 // pending request will be processed. 1208 mPendingInstalls.add(idx, params); 1209 } 1210 } else { 1211 mPendingInstalls.add(idx, params); 1212 // Already bound to the service. Just make 1213 // sure we trigger off processing the first request. 1214 if (idx == 0) { 1215 mHandler.sendEmptyMessage(MCS_BOUND); 1216 } 1217 } 1218 break; 1219 } 1220 case MCS_BOUND: { 1221 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1222 if (msg.obj != null) { 1223 mContainerService = (IMediaContainerService) msg.obj; 1224 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1225 System.identityHashCode(mHandler)); 1226 } 1227 if (mContainerService == null) { 1228 if (!mBound) { 1229 // Something seriously wrong since we are not bound and we are not 1230 // waiting for connection. Bail out. 1231 Slog.e(TAG, "Cannot bind to media container service"); 1232 for (HandlerParams params : mPendingInstalls) { 1233 // Indicate service bind error 1234 params.serviceError(); 1235 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1236 System.identityHashCode(params)); 1237 if (params.traceMethod != null) { 1238 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1239 params.traceMethod, params.traceCookie); 1240 } 1241 return; 1242 } 1243 mPendingInstalls.clear(); 1244 } else { 1245 Slog.w(TAG, "Waiting to connect to media container service"); 1246 } 1247 } else if (mPendingInstalls.size() > 0) { 1248 HandlerParams params = mPendingInstalls.get(0); 1249 if (params != null) { 1250 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1251 System.identityHashCode(params)); 1252 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1253 if (params.startCopy()) { 1254 // We are done... look for more work or to 1255 // go idle. 1256 if (DEBUG_SD_INSTALL) Log.i(TAG, 1257 "Checking for more work or unbind..."); 1258 // Delete pending install 1259 if (mPendingInstalls.size() > 0) { 1260 mPendingInstalls.remove(0); 1261 } 1262 if (mPendingInstalls.size() == 0) { 1263 if (mBound) { 1264 if (DEBUG_SD_INSTALL) Log.i(TAG, 1265 "Posting delayed MCS_UNBIND"); 1266 removeMessages(MCS_UNBIND); 1267 Message ubmsg = obtainMessage(MCS_UNBIND); 1268 // Unbind after a little delay, to avoid 1269 // continual thrashing. 1270 sendMessageDelayed(ubmsg, 10000); 1271 } 1272 } else { 1273 // There are more pending requests in queue. 1274 // Just post MCS_BOUND message to trigger processing 1275 // of next pending install. 1276 if (DEBUG_SD_INSTALL) Log.i(TAG, 1277 "Posting MCS_BOUND for next work"); 1278 mHandler.sendEmptyMessage(MCS_BOUND); 1279 } 1280 } 1281 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1282 } 1283 } else { 1284 // Should never happen ideally. 1285 Slog.w(TAG, "Empty queue"); 1286 } 1287 break; 1288 } 1289 case MCS_RECONNECT: { 1290 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1291 if (mPendingInstalls.size() > 0) { 1292 if (mBound) { 1293 disconnectService(); 1294 } 1295 if (!connectToService()) { 1296 Slog.e(TAG, "Failed to bind to media container service"); 1297 for (HandlerParams params : mPendingInstalls) { 1298 // Indicate service bind error 1299 params.serviceError(); 1300 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1301 System.identityHashCode(params)); 1302 } 1303 mPendingInstalls.clear(); 1304 } 1305 } 1306 break; 1307 } 1308 case MCS_UNBIND: { 1309 // If there is no actual work left, then time to unbind. 1310 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1311 1312 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1313 if (mBound) { 1314 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1315 1316 disconnectService(); 1317 } 1318 } else if (mPendingInstalls.size() > 0) { 1319 // There are more pending requests in queue. 1320 // Just post MCS_BOUND message to trigger processing 1321 // of next pending install. 1322 mHandler.sendEmptyMessage(MCS_BOUND); 1323 } 1324 1325 break; 1326 } 1327 case MCS_GIVE_UP: { 1328 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1329 HandlerParams params = mPendingInstalls.remove(0); 1330 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1331 System.identityHashCode(params)); 1332 break; 1333 } 1334 case SEND_PENDING_BROADCAST: { 1335 String packages[]; 1336 ArrayList<String> components[]; 1337 int size = 0; 1338 int uids[]; 1339 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1340 synchronized (mPackages) { 1341 if (mPendingBroadcasts == null) { 1342 return; 1343 } 1344 size = mPendingBroadcasts.size(); 1345 if (size <= 0) { 1346 // Nothing to be done. Just return 1347 return; 1348 } 1349 packages = new String[size]; 1350 components = new ArrayList[size]; 1351 uids = new int[size]; 1352 int i = 0; // filling out the above arrays 1353 1354 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1355 int packageUserId = mPendingBroadcasts.userIdAt(n); 1356 Iterator<Map.Entry<String, ArrayList<String>>> it 1357 = mPendingBroadcasts.packagesForUserId(packageUserId) 1358 .entrySet().iterator(); 1359 while (it.hasNext() && i < size) { 1360 Map.Entry<String, ArrayList<String>> ent = it.next(); 1361 packages[i] = ent.getKey(); 1362 components[i] = ent.getValue(); 1363 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1364 uids[i] = (ps != null) 1365 ? UserHandle.getUid(packageUserId, ps.appId) 1366 : -1; 1367 i++; 1368 } 1369 } 1370 size = i; 1371 mPendingBroadcasts.clear(); 1372 } 1373 // Send broadcasts 1374 for (int i = 0; i < size; i++) { 1375 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1376 } 1377 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1378 break; 1379 } 1380 case START_CLEANING_PACKAGE: { 1381 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1382 final String packageName = (String)msg.obj; 1383 final int userId = msg.arg1; 1384 final boolean andCode = msg.arg2 != 0; 1385 synchronized (mPackages) { 1386 if (userId == UserHandle.USER_ALL) { 1387 int[] users = sUserManager.getUserIds(); 1388 for (int user : users) { 1389 mSettings.addPackageToCleanLPw( 1390 new PackageCleanItem(user, packageName, andCode)); 1391 } 1392 } else { 1393 mSettings.addPackageToCleanLPw( 1394 new PackageCleanItem(userId, packageName, andCode)); 1395 } 1396 } 1397 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1398 startCleaningPackages(); 1399 } break; 1400 case POST_INSTALL: { 1401 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1402 1403 PostInstallData data = mRunningInstalls.get(msg.arg1); 1404 final boolean didRestore = (msg.arg2 != 0); 1405 mRunningInstalls.delete(msg.arg1); 1406 1407 if (data != null) { 1408 InstallArgs args = data.args; 1409 PackageInstalledInfo parentRes = data.res; 1410 1411 final boolean grantPermissions = (args.installFlags 1412 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1413 final boolean killApp = (args.installFlags 1414 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1415 final String[] grantedPermissions = args.installGrantPermissions; 1416 1417 // Handle the parent package 1418 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1419 grantedPermissions, didRestore, args.installerPackageName, 1420 args.observer); 1421 1422 // Handle the child packages 1423 final int childCount = (parentRes.addedChildPackages != null) 1424 ? parentRes.addedChildPackages.size() : 0; 1425 for (int i = 0; i < childCount; i++) { 1426 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1427 handlePackagePostInstall(childRes, grantPermissions, killApp, 1428 grantedPermissions, false, args.installerPackageName, 1429 args.observer); 1430 } 1431 1432 // Log tracing if needed 1433 if (args.traceMethod != null) { 1434 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1435 args.traceCookie); 1436 } 1437 } else { 1438 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1439 } 1440 1441 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1442 } break; 1443 case UPDATED_MEDIA_STATUS: { 1444 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1445 boolean reportStatus = msg.arg1 == 1; 1446 boolean doGc = msg.arg2 == 1; 1447 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1448 if (doGc) { 1449 // Force a gc to clear up stale containers. 1450 Runtime.getRuntime().gc(); 1451 } 1452 if (msg.obj != null) { 1453 @SuppressWarnings("unchecked") 1454 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1455 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1456 // Unload containers 1457 unloadAllContainers(args); 1458 } 1459 if (reportStatus) { 1460 try { 1461 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1462 PackageHelper.getMountService().finishMediaUpdate(); 1463 } catch (RemoteException e) { 1464 Log.e(TAG, "MountService not running?"); 1465 } 1466 } 1467 } break; 1468 case WRITE_SETTINGS: { 1469 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1470 synchronized (mPackages) { 1471 removeMessages(WRITE_SETTINGS); 1472 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1473 mSettings.writeLPr(); 1474 mDirtyUsers.clear(); 1475 } 1476 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1477 } break; 1478 case WRITE_PACKAGE_RESTRICTIONS: { 1479 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1480 synchronized (mPackages) { 1481 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1482 for (int userId : mDirtyUsers) { 1483 mSettings.writePackageRestrictionsLPr(userId); 1484 } 1485 mDirtyUsers.clear(); 1486 } 1487 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1488 } break; 1489 case WRITE_PACKAGE_LIST: { 1490 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1491 synchronized (mPackages) { 1492 removeMessages(WRITE_PACKAGE_LIST); 1493 mSettings.writePackageListLPr(msg.arg1); 1494 } 1495 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1496 } break; 1497 case CHECK_PENDING_VERIFICATION: { 1498 final int verificationId = msg.arg1; 1499 final PackageVerificationState state = mPendingVerification.get(verificationId); 1500 1501 if ((state != null) && !state.timeoutExtended()) { 1502 final InstallArgs args = state.getInstallArgs(); 1503 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1504 1505 Slog.i(TAG, "Verification timed out for " + originUri); 1506 mPendingVerification.remove(verificationId); 1507 1508 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1509 1510 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1511 Slog.i(TAG, "Continuing with installation of " + originUri); 1512 state.setVerifierResponse(Binder.getCallingUid(), 1513 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1514 broadcastPackageVerified(verificationId, originUri, 1515 PackageManager.VERIFICATION_ALLOW, 1516 state.getInstallArgs().getUser()); 1517 try { 1518 ret = args.copyApk(mContainerService, true); 1519 } catch (RemoteException e) { 1520 Slog.e(TAG, "Could not contact the ContainerService"); 1521 } 1522 } else { 1523 broadcastPackageVerified(verificationId, originUri, 1524 PackageManager.VERIFICATION_REJECT, 1525 state.getInstallArgs().getUser()); 1526 } 1527 1528 Trace.asyncTraceEnd( 1529 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1530 1531 processPendingInstall(args, ret); 1532 mHandler.sendEmptyMessage(MCS_UNBIND); 1533 } 1534 break; 1535 } 1536 case PACKAGE_VERIFIED: { 1537 final int verificationId = msg.arg1; 1538 1539 final PackageVerificationState state = mPendingVerification.get(verificationId); 1540 if (state == null) { 1541 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1542 break; 1543 } 1544 1545 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1546 1547 state.setVerifierResponse(response.callerUid, response.code); 1548 1549 if (state.isVerificationComplete()) { 1550 mPendingVerification.remove(verificationId); 1551 1552 final InstallArgs args = state.getInstallArgs(); 1553 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1554 1555 int ret; 1556 if (state.isInstallAllowed()) { 1557 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1558 broadcastPackageVerified(verificationId, originUri, 1559 response.code, state.getInstallArgs().getUser()); 1560 try { 1561 ret = args.copyApk(mContainerService, true); 1562 } catch (RemoteException e) { 1563 Slog.e(TAG, "Could not contact the ContainerService"); 1564 } 1565 } else { 1566 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1567 } 1568 1569 Trace.asyncTraceEnd( 1570 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1571 1572 processPendingInstall(args, ret); 1573 mHandler.sendEmptyMessage(MCS_UNBIND); 1574 } 1575 1576 break; 1577 } 1578 case START_INTENT_FILTER_VERIFICATIONS: { 1579 IFVerificationParams params = (IFVerificationParams) msg.obj; 1580 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1581 params.replacing, params.pkg); 1582 break; 1583 } 1584 case INTENT_FILTER_VERIFIED: { 1585 final int verificationId = msg.arg1; 1586 1587 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1588 verificationId); 1589 if (state == null) { 1590 Slog.w(TAG, "Invalid IntentFilter verification token " 1591 + verificationId + " received"); 1592 break; 1593 } 1594 1595 final int userId = state.getUserId(); 1596 1597 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1598 "Processing IntentFilter verification with token:" 1599 + verificationId + " and userId:" + userId); 1600 1601 final IntentFilterVerificationResponse response = 1602 (IntentFilterVerificationResponse) msg.obj; 1603 1604 state.setVerifierResponse(response.callerUid, response.code); 1605 1606 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1607 "IntentFilter verification with token:" + verificationId 1608 + " and userId:" + userId 1609 + " is settings verifier response with response code:" 1610 + response.code); 1611 1612 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1613 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1614 + response.getFailedDomainsString()); 1615 } 1616 1617 if (state.isVerificationComplete()) { 1618 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1619 } else { 1620 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1621 "IntentFilter verification with token:" + verificationId 1622 + " was not said to be complete"); 1623 } 1624 1625 break; 1626 } 1627 } 1628 } 1629 } 1630 1631 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1632 boolean killApp, String[] grantedPermissions, 1633 boolean launchedForRestore, String installerPackage, 1634 IPackageInstallObserver2 installObserver) { 1635 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1636 // Send the removed broadcasts 1637 if (res.removedInfo != null) { 1638 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1639 } 1640 1641 // Now that we successfully installed the package, grant runtime 1642 // permissions if requested before broadcasting the install. 1643 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1644 >= Build.VERSION_CODES.M) { 1645 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1646 } 1647 1648 final boolean update = res.removedInfo != null 1649 && res.removedInfo.removedPackage != null; 1650 1651 // If this is the first time we have child packages for a disabled privileged 1652 // app that had no children, we grant requested runtime permissions to the new 1653 // children if the parent on the system image had them already granted. 1654 if (res.pkg.parentPackage != null) { 1655 synchronized (mPackages) { 1656 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1657 } 1658 } 1659 1660 synchronized (mPackages) { 1661 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1662 } 1663 1664 final String packageName = res.pkg.applicationInfo.packageName; 1665 Bundle extras = new Bundle(1); 1666 extras.putInt(Intent.EXTRA_UID, res.uid); 1667 1668 // Determine the set of users who are adding this package for 1669 // the first time vs. those who are seeing an update. 1670 int[] firstUsers = EMPTY_INT_ARRAY; 1671 int[] updateUsers = EMPTY_INT_ARRAY; 1672 if (res.origUsers == null || res.origUsers.length == 0) { 1673 firstUsers = res.newUsers; 1674 } else { 1675 for (int newUser : res.newUsers) { 1676 boolean isNew = true; 1677 for (int origUser : res.origUsers) { 1678 if (origUser == newUser) { 1679 isNew = false; 1680 break; 1681 } 1682 } 1683 if (isNew) { 1684 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1685 } else { 1686 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1687 } 1688 } 1689 } 1690 1691 // Send installed broadcasts if the install/update is not ephemeral 1692 if (!isEphemeral(res.pkg)) { 1693 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1694 1695 // Send added for users that see the package for the first time 1696 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1697 extras, 0 /*flags*/, null /*targetPackage*/, 1698 null /*finishedReceiver*/, firstUsers); 1699 1700 // Send added for users that don't see the package for the first time 1701 if (update) { 1702 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1703 } 1704 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1705 extras, 0 /*flags*/, null /*targetPackage*/, 1706 null /*finishedReceiver*/, updateUsers); 1707 1708 // Send replaced for users that don't see the package for the first time 1709 if (update) { 1710 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1711 packageName, extras, 0 /*flags*/, 1712 null /*targetPackage*/, null /*finishedReceiver*/, 1713 updateUsers); 1714 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1715 null /*package*/, null /*extras*/, 0 /*flags*/, 1716 packageName /*targetPackage*/, 1717 null /*finishedReceiver*/, updateUsers); 1718 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1719 // First-install and we did a restore, so we're responsible for the 1720 // first-launch broadcast. 1721 if (DEBUG_BACKUP) { 1722 Slog.i(TAG, "Post-restore of " + packageName 1723 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1724 } 1725 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1726 } 1727 1728 // Send broadcast package appeared if forward locked/external for all users 1729 // treat asec-hosted packages like removable media on upgrade 1730 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1731 if (DEBUG_INSTALL) { 1732 Slog.i(TAG, "upgrading pkg " + res.pkg 1733 + " is ASEC-hosted -> AVAILABLE"); 1734 } 1735 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1736 ArrayList<String> pkgList = new ArrayList<>(1); 1737 pkgList.add(packageName); 1738 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1739 } 1740 } 1741 1742 // Work that needs to happen on first install within each user 1743 if (firstUsers != null && firstUsers.length > 0) { 1744 synchronized (mPackages) { 1745 for (int userId : firstUsers) { 1746 // If this app is a browser and it's newly-installed for some 1747 // users, clear any default-browser state in those users. The 1748 // app's nature doesn't depend on the user, so we can just check 1749 // its browser nature in any user and generalize. 1750 if (packageIsBrowser(packageName, userId)) { 1751 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1752 } 1753 1754 // We may also need to apply pending (restored) runtime 1755 // permission grants within these users. 1756 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1757 } 1758 } 1759 } 1760 1761 // Log current value of "unknown sources" setting 1762 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1763 getUnknownSourcesSettings()); 1764 1765 // Force a gc to clear up things 1766 Runtime.getRuntime().gc(); 1767 1768 // Remove the replaced package's older resources safely now 1769 // We delete after a gc for applications on sdcard. 1770 if (res.removedInfo != null && res.removedInfo.args != null) { 1771 synchronized (mInstallLock) { 1772 res.removedInfo.args.doPostDeleteLI(true); 1773 } 1774 } 1775 } 1776 1777 // If someone is watching installs - notify them 1778 if (installObserver != null) { 1779 try { 1780 Bundle extras = extrasForInstallResult(res); 1781 installObserver.onPackageInstalled(res.name, res.returnCode, 1782 res.returnMsg, extras); 1783 } catch (RemoteException e) { 1784 Slog.i(TAG, "Observer no longer exists."); 1785 } 1786 } 1787 } 1788 1789 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1790 PackageParser.Package pkg) { 1791 if (pkg.parentPackage == null) { 1792 return; 1793 } 1794 if (pkg.requestedPermissions == null) { 1795 return; 1796 } 1797 final PackageSetting disabledSysParentPs = mSettings 1798 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1799 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1800 || !disabledSysParentPs.isPrivileged() 1801 || (disabledSysParentPs.childPackageNames != null 1802 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1803 return; 1804 } 1805 final int[] allUserIds = sUserManager.getUserIds(); 1806 final int permCount = pkg.requestedPermissions.size(); 1807 for (int i = 0; i < permCount; i++) { 1808 String permission = pkg.requestedPermissions.get(i); 1809 BasePermission bp = mSettings.mPermissions.get(permission); 1810 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1811 continue; 1812 } 1813 for (int userId : allUserIds) { 1814 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1815 permission, userId)) { 1816 grantRuntimePermission(pkg.packageName, permission, userId); 1817 } 1818 } 1819 } 1820 } 1821 1822 private StorageEventListener mStorageListener = new StorageEventListener() { 1823 @Override 1824 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1825 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1826 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1827 final String volumeUuid = vol.getFsUuid(); 1828 1829 // Clean up any users or apps that were removed or recreated 1830 // while this volume was missing 1831 reconcileUsers(volumeUuid); 1832 reconcileApps(volumeUuid); 1833 1834 // Clean up any install sessions that expired or were 1835 // cancelled while this volume was missing 1836 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1837 1838 loadPrivatePackages(vol); 1839 1840 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1841 unloadPrivatePackages(vol); 1842 } 1843 } 1844 1845 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1846 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1847 updateExternalMediaStatus(true, false); 1848 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1849 updateExternalMediaStatus(false, false); 1850 } 1851 } 1852 } 1853 1854 @Override 1855 public void onVolumeForgotten(String fsUuid) { 1856 if (TextUtils.isEmpty(fsUuid)) { 1857 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1858 return; 1859 } 1860 1861 // Remove any apps installed on the forgotten volume 1862 synchronized (mPackages) { 1863 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1864 for (PackageSetting ps : packages) { 1865 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1866 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1867 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1868 } 1869 1870 mSettings.onVolumeForgotten(fsUuid); 1871 mSettings.writeLPr(); 1872 } 1873 } 1874 }; 1875 1876 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1877 String[] grantedPermissions) { 1878 for (int userId : userIds) { 1879 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1880 } 1881 1882 // We could have touched GID membership, so flush out packages.list 1883 synchronized (mPackages) { 1884 mSettings.writePackageListLPr(); 1885 } 1886 } 1887 1888 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1889 String[] grantedPermissions) { 1890 SettingBase sb = (SettingBase) pkg.mExtras; 1891 if (sb == null) { 1892 return; 1893 } 1894 1895 PermissionsState permissionsState = sb.getPermissionsState(); 1896 1897 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1898 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1899 1900 for (String permission : pkg.requestedPermissions) { 1901 final BasePermission bp; 1902 synchronized (mPackages) { 1903 bp = mSettings.mPermissions.get(permission); 1904 } 1905 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1906 && (grantedPermissions == null 1907 || ArrayUtils.contains(grantedPermissions, permission))) { 1908 final int flags = permissionsState.getPermissionFlags(permission, userId); 1909 // Installer cannot change immutable permissions. 1910 if ((flags & immutableFlags) == 0) { 1911 grantRuntimePermission(pkg.packageName, permission, userId); 1912 } 1913 } 1914 } 1915 } 1916 1917 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1918 Bundle extras = null; 1919 switch (res.returnCode) { 1920 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1921 extras = new Bundle(); 1922 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1923 res.origPermission); 1924 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1925 res.origPackage); 1926 break; 1927 } 1928 case PackageManager.INSTALL_SUCCEEDED: { 1929 extras = new Bundle(); 1930 extras.putBoolean(Intent.EXTRA_REPLACING, 1931 res.removedInfo != null && res.removedInfo.removedPackage != null); 1932 break; 1933 } 1934 } 1935 return extras; 1936 } 1937 1938 void scheduleWriteSettingsLocked() { 1939 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1940 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1941 } 1942 } 1943 1944 void scheduleWritePackageListLocked(int userId) { 1945 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1946 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1947 msg.arg1 = userId; 1948 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1949 } 1950 } 1951 1952 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1953 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1954 scheduleWritePackageRestrictionsLocked(userId); 1955 } 1956 1957 void scheduleWritePackageRestrictionsLocked(int userId) { 1958 final int[] userIds = (userId == UserHandle.USER_ALL) 1959 ? sUserManager.getUserIds() : new int[]{userId}; 1960 for (int nextUserId : userIds) { 1961 if (!sUserManager.exists(nextUserId)) return; 1962 mDirtyUsers.add(nextUserId); 1963 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1964 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1965 } 1966 } 1967 } 1968 1969 public static PackageManagerService main(Context context, Installer installer, 1970 boolean factoryTest, boolean onlyCore) { 1971 // Self-check for initial settings. 1972 PackageManagerServiceCompilerMapping.checkProperties(); 1973 1974 PackageManagerService m = new PackageManagerService(context, installer, 1975 factoryTest, onlyCore); 1976 m.enableSystemUserPackages(); 1977 ServiceManager.addService("package", m); 1978 return m; 1979 } 1980 1981 private void enableSystemUserPackages() { 1982 if (!UserManager.isSplitSystemUser()) { 1983 return; 1984 } 1985 // For system user, enable apps based on the following conditions: 1986 // - app is whitelisted or belong to one of these groups: 1987 // -- system app which has no launcher icons 1988 // -- system app which has INTERACT_ACROSS_USERS permission 1989 // -- system IME app 1990 // - app is not in the blacklist 1991 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1992 Set<String> enableApps = new ArraySet<>(); 1993 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1994 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1995 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1996 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1997 enableApps.addAll(wlApps); 1998 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1999 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2000 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2001 enableApps.removeAll(blApps); 2002 Log.i(TAG, "Applications installed for system user: " + enableApps); 2003 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2004 UserHandle.SYSTEM); 2005 final int allAppsSize = allAps.size(); 2006 synchronized (mPackages) { 2007 for (int i = 0; i < allAppsSize; i++) { 2008 String pName = allAps.get(i); 2009 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2010 // Should not happen, but we shouldn't be failing if it does 2011 if (pkgSetting == null) { 2012 continue; 2013 } 2014 boolean install = enableApps.contains(pName); 2015 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2016 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2017 + " for system user"); 2018 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2019 } 2020 } 2021 } 2022 } 2023 2024 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2025 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2026 Context.DISPLAY_SERVICE); 2027 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2028 } 2029 2030 /** 2031 * Requests that files preopted on a secondary system partition be copied to the data partition 2032 * if possible. Note that the actual copying of the files is accomplished by init for security 2033 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2034 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2035 */ 2036 private static void requestCopyPreoptedFiles() { 2037 final int WAIT_TIME_MS = 100; 2038 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2039 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2040 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2041 // We will wait for up to 100 seconds. 2042 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2043 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2044 try { 2045 Thread.sleep(WAIT_TIME_MS); 2046 } catch (InterruptedException e) { 2047 // Do nothing 2048 } 2049 if (SystemClock.uptimeMillis() > timeEnd) { 2050 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2051 Slog.wtf(TAG, "cppreopt did not finish!"); 2052 break; 2053 } 2054 } 2055 } 2056 } 2057 2058 public PackageManagerService(Context context, Installer installer, 2059 boolean factoryTest, boolean onlyCore) { 2060 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2061 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2062 SystemClock.uptimeMillis()); 2063 2064 if (mSdkVersion <= 0) { 2065 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2066 } 2067 2068 mContext = context; 2069 2070 mPermissionReviewRequired = context.getResources().getBoolean( 2071 R.bool.config_permissionReviewRequired); 2072 2073 mFactoryTest = factoryTest; 2074 mOnlyCore = onlyCore; 2075 mMetrics = new DisplayMetrics(); 2076 mSettings = new Settings(mPackages); 2077 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2078 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2079 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2080 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2081 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2082 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2083 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2084 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2085 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2086 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2087 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2088 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2089 2090 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2091 if (separateProcesses != null && separateProcesses.length() > 0) { 2092 if ("*".equals(separateProcesses)) { 2093 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2094 mSeparateProcesses = null; 2095 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2096 } else { 2097 mDefParseFlags = 0; 2098 mSeparateProcesses = separateProcesses.split(","); 2099 Slog.w(TAG, "Running with debug.separate_processes: " 2100 + separateProcesses); 2101 } 2102 } else { 2103 mDefParseFlags = 0; 2104 mSeparateProcesses = null; 2105 } 2106 2107 mInstaller = installer; 2108 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2109 "*dexopt*"); 2110 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2111 2112 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2113 FgThread.get().getLooper()); 2114 2115 getDefaultDisplayMetrics(context, mMetrics); 2116 2117 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2118 SystemConfig systemConfig = SystemConfig.getInstance(); 2119 mGlobalGids = systemConfig.getGlobalGids(); 2120 mSystemPermissions = systemConfig.getSystemPermissions(); 2121 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2122 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2123 2124 mProtectedPackages = new ProtectedPackages(mContext); 2125 2126 synchronized (mInstallLock) { 2127 // writer 2128 synchronized (mPackages) { 2129 mHandlerThread = new ServiceThread(TAG, 2130 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2131 mHandlerThread.start(); 2132 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2133 mProcessLoggingHandler = new ProcessLoggingHandler(); 2134 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2135 2136 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2137 2138 File dataDir = Environment.getDataDirectory(); 2139 mAppInstallDir = new File(dataDir, "app"); 2140 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2141 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2142 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2143 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2144 2145 sUserManager = new UserManagerService(context, this, mPackages); 2146 2147 // Propagate permission configuration in to package manager. 2148 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2149 = systemConfig.getPermissions(); 2150 for (int i=0; i<permConfig.size(); i++) { 2151 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2152 BasePermission bp = mSettings.mPermissions.get(perm.name); 2153 if (bp == null) { 2154 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2155 mSettings.mPermissions.put(perm.name, bp); 2156 } 2157 if (perm.gids != null) { 2158 bp.setGids(perm.gids, perm.perUser); 2159 } 2160 } 2161 2162 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2163 for (int i=0; i<libConfig.size(); i++) { 2164 mSharedLibraries.put(libConfig.keyAt(i), 2165 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2166 } 2167 2168 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2169 2170 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2171 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2172 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2173 2174 if (mFirstBoot) { 2175 requestCopyPreoptedFiles(); 2176 } 2177 2178 String customResolverActivity = Resources.getSystem().getString( 2179 R.string.config_customResolverActivity); 2180 if (TextUtils.isEmpty(customResolverActivity)) { 2181 customResolverActivity = null; 2182 } else { 2183 mCustomResolverComponentName = ComponentName.unflattenFromString( 2184 customResolverActivity); 2185 } 2186 2187 long startTime = SystemClock.uptimeMillis(); 2188 2189 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2190 startTime); 2191 2192 // Set flag to monitor and not change apk file paths when 2193 // scanning install directories. 2194 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2195 2196 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2197 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2198 2199 if (bootClassPath == null) { 2200 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2201 } 2202 2203 if (systemServerClassPath == null) { 2204 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2205 } 2206 2207 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2208 final String[] dexCodeInstructionSets = 2209 getDexCodeInstructionSets( 2210 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2211 2212 /** 2213 * Ensure all external libraries have had dexopt run on them. 2214 */ 2215 if (mSharedLibraries.size() > 0) { 2216 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2217 // NOTE: For now, we're compiling these system "shared libraries" 2218 // (and framework jars) into all available architectures. It's possible 2219 // to compile them only when we come across an app that uses them (there's 2220 // already logic for that in scanPackageLI) but that adds some complexity. 2221 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2222 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2223 final String lib = libEntry.path; 2224 if (lib == null) { 2225 continue; 2226 } 2227 2228 try { 2229 // Shared libraries do not have profiles so we perform a full 2230 // AOT compilation (if needed). 2231 int dexoptNeeded = DexFile.getDexOptNeeded( 2232 lib, dexCodeInstructionSet, 2233 getCompilerFilterForReason(REASON_SHARED_APK), 2234 false /* newProfile */); 2235 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2236 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2237 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2238 getCompilerFilterForReason(REASON_SHARED_APK), 2239 StorageManager.UUID_PRIVATE_INTERNAL, 2240 SKIP_SHARED_LIBRARY_CHECK); 2241 } 2242 } catch (FileNotFoundException e) { 2243 Slog.w(TAG, "Library not found: " + lib); 2244 } catch (IOException | InstallerException e) { 2245 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2246 + e.getMessage()); 2247 } 2248 } 2249 } 2250 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2251 } 2252 2253 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2254 2255 final VersionInfo ver = mSettings.getInternalVersion(); 2256 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2257 2258 // when upgrading from pre-M, promote system app permissions from install to runtime 2259 mPromoteSystemApps = 2260 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2261 2262 // When upgrading from pre-N, we need to handle package extraction like first boot, 2263 // as there is no profiling data available. 2264 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2265 2266 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2267 2268 // save off the names of pre-existing system packages prior to scanning; we don't 2269 // want to automatically grant runtime permissions for new system apps 2270 if (mPromoteSystemApps) { 2271 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2272 while (pkgSettingIter.hasNext()) { 2273 PackageSetting ps = pkgSettingIter.next(); 2274 if (isSystemApp(ps)) { 2275 mExistingSystemPackages.add(ps.name); 2276 } 2277 } 2278 } 2279 2280 // Collect vendor overlay packages. 2281 // (Do this before scanning any apps.) 2282 // For security and version matching reason, only consider 2283 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2284 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2285 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2286 | PackageParser.PARSE_IS_SYSTEM 2287 | PackageParser.PARSE_IS_SYSTEM_DIR 2288 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2289 2290 // Find base frameworks (resource packages without code). 2291 scanDirTracedLI(frameworkDir, mDefParseFlags 2292 | PackageParser.PARSE_IS_SYSTEM 2293 | PackageParser.PARSE_IS_SYSTEM_DIR 2294 | PackageParser.PARSE_IS_PRIVILEGED, 2295 scanFlags | SCAN_NO_DEX, 0); 2296 2297 // Collected privileged system packages. 2298 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2299 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2300 | PackageParser.PARSE_IS_SYSTEM 2301 | PackageParser.PARSE_IS_SYSTEM_DIR 2302 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2303 2304 // Collect ordinary system packages. 2305 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2306 scanDirTracedLI(systemAppDir, mDefParseFlags 2307 | PackageParser.PARSE_IS_SYSTEM 2308 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2309 2310 // Collect all vendor packages. 2311 File vendorAppDir = new File("/vendor/app"); 2312 try { 2313 vendorAppDir = vendorAppDir.getCanonicalFile(); 2314 } catch (IOException e) { 2315 // failed to look up canonical path, continue with original one 2316 } 2317 scanDirTracedLI(vendorAppDir, mDefParseFlags 2318 | PackageParser.PARSE_IS_SYSTEM 2319 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2320 2321 // Collect all OEM packages. 2322 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2323 scanDirTracedLI(oemAppDir, mDefParseFlags 2324 | PackageParser.PARSE_IS_SYSTEM 2325 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2326 2327 // Prune any system packages that no longer exist. 2328 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2329 if (!mOnlyCore) { 2330 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2331 while (psit.hasNext()) { 2332 PackageSetting ps = psit.next(); 2333 2334 /* 2335 * If this is not a system app, it can't be a 2336 * disable system app. 2337 */ 2338 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2339 continue; 2340 } 2341 2342 /* 2343 * If the package is scanned, it's not erased. 2344 */ 2345 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2346 if (scannedPkg != null) { 2347 /* 2348 * If the system app is both scanned and in the 2349 * disabled packages list, then it must have been 2350 * added via OTA. Remove it from the currently 2351 * scanned package so the previously user-installed 2352 * application can be scanned. 2353 */ 2354 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2355 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2356 + ps.name + "; removing system app. Last known codePath=" 2357 + ps.codePathString + ", installStatus=" + ps.installStatus 2358 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2359 + scannedPkg.mVersionCode); 2360 removePackageLI(scannedPkg, true); 2361 mExpectingBetter.put(ps.name, ps.codePath); 2362 } 2363 2364 continue; 2365 } 2366 2367 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2368 psit.remove(); 2369 logCriticalInfo(Log.WARN, "System package " + ps.name 2370 + " no longer exists; it's data will be wiped"); 2371 // Actual deletion of code and data will be handled by later 2372 // reconciliation step 2373 } else { 2374 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2375 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2376 possiblyDeletedUpdatedSystemApps.add(ps.name); 2377 } 2378 } 2379 } 2380 } 2381 2382 //look for any incomplete package installations 2383 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2384 for (int i = 0; i < deletePkgsList.size(); i++) { 2385 // Actual deletion of code and data will be handled by later 2386 // reconciliation step 2387 final String packageName = deletePkgsList.get(i).name; 2388 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2389 synchronized (mPackages) { 2390 mSettings.removePackageLPw(packageName); 2391 } 2392 } 2393 2394 //delete tmp files 2395 deleteTempPackageFiles(); 2396 2397 // Remove any shared userIDs that have no associated packages 2398 mSettings.pruneSharedUsersLPw(); 2399 2400 if (!mOnlyCore) { 2401 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2402 SystemClock.uptimeMillis()); 2403 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2404 2405 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2406 | PackageParser.PARSE_FORWARD_LOCK, 2407 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2408 2409 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2410 | PackageParser.PARSE_IS_EPHEMERAL, 2411 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2412 2413 /** 2414 * Remove disable package settings for any updated system 2415 * apps that were removed via an OTA. If they're not a 2416 * previously-updated app, remove them completely. 2417 * Otherwise, just revoke their system-level permissions. 2418 */ 2419 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2420 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2421 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2422 2423 String msg; 2424 if (deletedPkg == null) { 2425 msg = "Updated system package " + deletedAppName 2426 + " no longer exists; it's data will be wiped"; 2427 // Actual deletion of code and data will be handled by later 2428 // reconciliation step 2429 } else { 2430 msg = "Updated system app + " + deletedAppName 2431 + " no longer present; removing system privileges for " 2432 + deletedAppName; 2433 2434 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2435 2436 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2437 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2438 } 2439 logCriticalInfo(Log.WARN, msg); 2440 } 2441 2442 /** 2443 * Make sure all system apps that we expected to appear on 2444 * the userdata partition actually showed up. If they never 2445 * appeared, crawl back and revive the system version. 2446 */ 2447 for (int i = 0; i < mExpectingBetter.size(); i++) { 2448 final String packageName = mExpectingBetter.keyAt(i); 2449 if (!mPackages.containsKey(packageName)) { 2450 final File scanFile = mExpectingBetter.valueAt(i); 2451 2452 logCriticalInfo(Log.WARN, "Expected better " + packageName 2453 + " but never showed up; reverting to system"); 2454 2455 int reparseFlags = mDefParseFlags; 2456 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2457 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2458 | PackageParser.PARSE_IS_SYSTEM_DIR 2459 | PackageParser.PARSE_IS_PRIVILEGED; 2460 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2461 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2462 | PackageParser.PARSE_IS_SYSTEM_DIR; 2463 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2464 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2465 | PackageParser.PARSE_IS_SYSTEM_DIR; 2466 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2467 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2468 | PackageParser.PARSE_IS_SYSTEM_DIR; 2469 } else { 2470 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2471 continue; 2472 } 2473 2474 mSettings.enableSystemPackageLPw(packageName); 2475 2476 try { 2477 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2478 } catch (PackageManagerException e) { 2479 Slog.e(TAG, "Failed to parse original system package: " 2480 + e.getMessage()); 2481 } 2482 } 2483 } 2484 } 2485 mExpectingBetter.clear(); 2486 2487 // Resolve the storage manager. 2488 mStorageManagerPackage = getStorageManagerPackageName(); 2489 2490 // Resolve protected action filters. Only the setup wizard is allowed to 2491 // have a high priority filter for these actions. 2492 mSetupWizardPackage = getSetupWizardPackageName(); 2493 if (mProtectedFilters.size() > 0) { 2494 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2495 Slog.i(TAG, "No setup wizard;" 2496 + " All protected intents capped to priority 0"); 2497 } 2498 for (ActivityIntentInfo filter : mProtectedFilters) { 2499 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2500 if (DEBUG_FILTERS) { 2501 Slog.i(TAG, "Found setup wizard;" 2502 + " allow priority " + filter.getPriority() + ";" 2503 + " package: " + filter.activity.info.packageName 2504 + " activity: " + filter.activity.className 2505 + " priority: " + filter.getPriority()); 2506 } 2507 // skip setup wizard; allow it to keep the high priority filter 2508 continue; 2509 } 2510 Slog.w(TAG, "Protected action; cap priority to 0;" 2511 + " package: " + filter.activity.info.packageName 2512 + " activity: " + filter.activity.className 2513 + " origPrio: " + filter.getPriority()); 2514 filter.setPriority(0); 2515 } 2516 } 2517 mDeferProtectedFilters = false; 2518 mProtectedFilters.clear(); 2519 2520 // Now that we know all of the shared libraries, update all clients to have 2521 // the correct library paths. 2522 updateAllSharedLibrariesLPw(); 2523 2524 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2525 // NOTE: We ignore potential failures here during a system scan (like 2526 // the rest of the commands above) because there's precious little we 2527 // can do about it. A settings error is reported, though. 2528 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2529 false /* boot complete */); 2530 } 2531 2532 // Now that we know all the packages we are keeping, 2533 // read and update their last usage times. 2534 mPackageUsage.read(mPackages); 2535 mCompilerStats.read(); 2536 2537 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2538 SystemClock.uptimeMillis()); 2539 Slog.i(TAG, "Time to scan packages: " 2540 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2541 + " seconds"); 2542 2543 // If the platform SDK has changed since the last time we booted, 2544 // we need to re-grant app permission to catch any new ones that 2545 // appear. This is really a hack, and means that apps can in some 2546 // cases get permissions that the user didn't initially explicitly 2547 // allow... it would be nice to have some better way to handle 2548 // this situation. 2549 int updateFlags = UPDATE_PERMISSIONS_ALL; 2550 if (ver.sdkVersion != mSdkVersion) { 2551 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2552 + mSdkVersion + "; regranting permissions for internal storage"); 2553 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2554 } 2555 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2556 ver.sdkVersion = mSdkVersion; 2557 2558 // If this is the first boot or an update from pre-M, and it is a normal 2559 // boot, then we need to initialize the default preferred apps across 2560 // all defined users. 2561 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2562 for (UserInfo user : sUserManager.getUsers(true)) { 2563 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2564 applyFactoryDefaultBrowserLPw(user.id); 2565 primeDomainVerificationsLPw(user.id); 2566 } 2567 } 2568 2569 // Prepare storage for system user really early during boot, 2570 // since core system apps like SettingsProvider and SystemUI 2571 // can't wait for user to start 2572 final int storageFlags; 2573 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2574 storageFlags = StorageManager.FLAG_STORAGE_DE; 2575 } else { 2576 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2577 } 2578 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2579 storageFlags, true /* migrateAppData */); 2580 2581 // If this is first boot after an OTA, and a normal boot, then 2582 // we need to clear code cache directories. 2583 // Note that we do *not* clear the application profiles. These remain valid 2584 // across OTAs and are used to drive profile verification (post OTA) and 2585 // profile compilation (without waiting to collect a fresh set of profiles). 2586 if (mIsUpgrade && !onlyCore) { 2587 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2588 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2589 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2590 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2591 // No apps are running this early, so no need to freeze 2592 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2593 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2594 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2595 } 2596 } 2597 ver.fingerprint = Build.FINGERPRINT; 2598 } 2599 2600 checkDefaultBrowser(); 2601 2602 // clear only after permissions and other defaults have been updated 2603 mExistingSystemPackages.clear(); 2604 mPromoteSystemApps = false; 2605 2606 // All the changes are done during package scanning. 2607 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2608 2609 // can downgrade to reader 2610 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2611 mSettings.writeLPr(); 2612 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2613 2614 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2615 // early on (before the package manager declares itself as early) because other 2616 // components in the system server might ask for package contexts for these apps. 2617 // 2618 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2619 // (i.e, that the data partition is unavailable). 2620 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2621 long start = System.nanoTime(); 2622 List<PackageParser.Package> coreApps = new ArrayList<>(); 2623 for (PackageParser.Package pkg : mPackages.values()) { 2624 if (pkg.coreApp) { 2625 coreApps.add(pkg); 2626 } 2627 } 2628 2629 int[] stats = performDexOptUpgrade(coreApps, false, 2630 getCompilerFilterForReason(REASON_CORE_APP)); 2631 2632 final int elapsedTimeSeconds = 2633 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2634 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2635 2636 if (DEBUG_DEXOPT) { 2637 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2638 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2639 } 2640 2641 2642 // TODO: Should we log these stats to tron too ? 2643 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2644 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2645 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2646 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2647 } 2648 2649 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2650 SystemClock.uptimeMillis()); 2651 2652 if (!mOnlyCore) { 2653 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2654 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2655 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2656 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2657 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2658 mIntentFilterVerifierComponent); 2659 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2660 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2661 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2662 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2663 } else { 2664 mRequiredVerifierPackage = null; 2665 mRequiredInstallerPackage = null; 2666 mRequiredUninstallerPackage = null; 2667 mIntentFilterVerifierComponent = null; 2668 mIntentFilterVerifier = null; 2669 mServicesSystemSharedLibraryPackageName = null; 2670 mSharedSystemSharedLibraryPackageName = null; 2671 } 2672 2673 mInstallerService = new PackageInstallerService(context, this); 2674 2675 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2676 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2677 // both the installer and resolver must be present to enable ephemeral 2678 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2679 if (DEBUG_EPHEMERAL) { 2680 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2681 + " installer:" + ephemeralInstallerComponent); 2682 } 2683 mEphemeralResolverComponent = ephemeralResolverComponent; 2684 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2685 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2686 mEphemeralResolverConnection = 2687 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2688 } else { 2689 if (DEBUG_EPHEMERAL) { 2690 final String missingComponent = 2691 (ephemeralResolverComponent == null) 2692 ? (ephemeralInstallerComponent == null) 2693 ? "resolver and installer" 2694 : "resolver" 2695 : "installer"; 2696 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2697 } 2698 mEphemeralResolverComponent = null; 2699 mEphemeralInstallerComponent = null; 2700 mEphemeralResolverConnection = null; 2701 } 2702 2703 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2704 } // synchronized (mPackages) 2705 } // synchronized (mInstallLock) 2706 2707 // Now after opening every single application zip, make sure they 2708 // are all flushed. Not really needed, but keeps things nice and 2709 // tidy. 2710 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2711 Runtime.getRuntime().gc(); 2712 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2713 2714 // The initial scanning above does many calls into installd while 2715 // holding the mPackages lock, but we're mostly interested in yelling 2716 // once we have a booted system. 2717 mInstaller.setWarnIfHeld(mPackages); 2718 2719 // Expose private service for system components to use. 2720 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2721 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2722 } 2723 2724 @Override 2725 public boolean isFirstBoot() { 2726 return mFirstBoot; 2727 } 2728 2729 @Override 2730 public boolean isOnlyCoreApps() { 2731 return mOnlyCore; 2732 } 2733 2734 @Override 2735 public boolean isUpgrade() { 2736 return mIsUpgrade; 2737 } 2738 2739 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2740 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2741 2742 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2743 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2744 UserHandle.USER_SYSTEM); 2745 if (matches.size() == 1) { 2746 return matches.get(0).getComponentInfo().packageName; 2747 } else if (matches.size() == 0) { 2748 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2749 return null; 2750 } 2751 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2752 } 2753 2754 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2755 synchronized (mPackages) { 2756 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2757 if (libraryEntry == null) { 2758 throw new IllegalStateException("Missing required shared library:" + libraryName); 2759 } 2760 return libraryEntry.apk; 2761 } 2762 } 2763 2764 private @NonNull String getRequiredInstallerLPr() { 2765 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2766 intent.addCategory(Intent.CATEGORY_DEFAULT); 2767 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2768 2769 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2770 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2771 UserHandle.USER_SYSTEM); 2772 if (matches.size() == 1) { 2773 ResolveInfo resolveInfo = matches.get(0); 2774 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2775 throw new RuntimeException("The installer must be a privileged app"); 2776 } 2777 return matches.get(0).getComponentInfo().packageName; 2778 } else { 2779 throw new RuntimeException("There must be exactly one installer; found " + matches); 2780 } 2781 } 2782 2783 private @NonNull String getRequiredUninstallerLPr() { 2784 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2785 intent.addCategory(Intent.CATEGORY_DEFAULT); 2786 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2787 2788 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2789 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2790 UserHandle.USER_SYSTEM); 2791 if (resolveInfo == null || 2792 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2793 throw new RuntimeException("There must be exactly one uninstaller; found " 2794 + resolveInfo); 2795 } 2796 return resolveInfo.getComponentInfo().packageName; 2797 } 2798 2799 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2800 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2801 2802 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2803 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2804 UserHandle.USER_SYSTEM); 2805 ResolveInfo best = null; 2806 final int N = matches.size(); 2807 for (int i = 0; i < N; i++) { 2808 final ResolveInfo cur = matches.get(i); 2809 final String packageName = cur.getComponentInfo().packageName; 2810 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2811 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2812 continue; 2813 } 2814 2815 if (best == null || cur.priority > best.priority) { 2816 best = cur; 2817 } 2818 } 2819 2820 if (best != null) { 2821 return best.getComponentInfo().getComponentName(); 2822 } else { 2823 throw new RuntimeException("There must be at least one intent filter verifier"); 2824 } 2825 } 2826 2827 private @Nullable ComponentName getEphemeralResolverLPr() { 2828 final String[] packageArray = 2829 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2830 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2831 if (DEBUG_EPHEMERAL) { 2832 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2833 } 2834 return null; 2835 } 2836 2837 final int resolveFlags = 2838 MATCH_DIRECT_BOOT_AWARE 2839 | MATCH_DIRECT_BOOT_UNAWARE 2840 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2841 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2842 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2843 resolveFlags, UserHandle.USER_SYSTEM); 2844 2845 final int N = resolvers.size(); 2846 if (N == 0) { 2847 if (DEBUG_EPHEMERAL) { 2848 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2849 } 2850 return null; 2851 } 2852 2853 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2854 for (int i = 0; i < N; i++) { 2855 final ResolveInfo info = resolvers.get(i); 2856 2857 if (info.serviceInfo == null) { 2858 continue; 2859 } 2860 2861 final String packageName = info.serviceInfo.packageName; 2862 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2863 if (DEBUG_EPHEMERAL) { 2864 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2865 + " pkg: " + packageName + ", info:" + info); 2866 } 2867 continue; 2868 } 2869 2870 if (DEBUG_EPHEMERAL) { 2871 Slog.v(TAG, "Ephemeral resolver found;" 2872 + " pkg: " + packageName + ", info:" + info); 2873 } 2874 return new ComponentName(packageName, info.serviceInfo.name); 2875 } 2876 if (DEBUG_EPHEMERAL) { 2877 Slog.v(TAG, "Ephemeral resolver NOT found"); 2878 } 2879 return null; 2880 } 2881 2882 private @Nullable ComponentName getEphemeralInstallerLPr() { 2883 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2884 intent.addCategory(Intent.CATEGORY_DEFAULT); 2885 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2886 2887 final int resolveFlags = 2888 MATCH_DIRECT_BOOT_AWARE 2889 | MATCH_DIRECT_BOOT_UNAWARE 2890 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2891 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2892 resolveFlags, UserHandle.USER_SYSTEM); 2893 if (matches.size() == 0) { 2894 return null; 2895 } else if (matches.size() == 1) { 2896 return matches.get(0).getComponentInfo().getComponentName(); 2897 } else { 2898 throw new RuntimeException( 2899 "There must be at most one ephemeral installer; found " + matches); 2900 } 2901 } 2902 2903 private void primeDomainVerificationsLPw(int userId) { 2904 if (DEBUG_DOMAIN_VERIFICATION) { 2905 Slog.d(TAG, "Priming domain verifications in user " + userId); 2906 } 2907 2908 SystemConfig systemConfig = SystemConfig.getInstance(); 2909 ArraySet<String> packages = systemConfig.getLinkedApps(); 2910 2911 for (String packageName : packages) { 2912 PackageParser.Package pkg = mPackages.get(packageName); 2913 if (pkg != null) { 2914 if (!pkg.isSystemApp()) { 2915 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2916 continue; 2917 } 2918 2919 ArraySet<String> domains = null; 2920 for (PackageParser.Activity a : pkg.activities) { 2921 for (ActivityIntentInfo filter : a.intents) { 2922 if (hasValidDomains(filter)) { 2923 if (domains == null) { 2924 domains = new ArraySet<String>(); 2925 } 2926 domains.addAll(filter.getHostsList()); 2927 } 2928 } 2929 } 2930 2931 if (domains != null && domains.size() > 0) { 2932 if (DEBUG_DOMAIN_VERIFICATION) { 2933 Slog.v(TAG, " + " + packageName); 2934 } 2935 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2936 // state w.r.t. the formal app-linkage "no verification attempted" state; 2937 // and then 'always' in the per-user state actually used for intent resolution. 2938 final IntentFilterVerificationInfo ivi; 2939 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 2940 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2941 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2942 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2943 } else { 2944 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2945 + "' does not handle web links"); 2946 } 2947 } else { 2948 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2949 } 2950 } 2951 2952 scheduleWritePackageRestrictionsLocked(userId); 2953 scheduleWriteSettingsLocked(); 2954 } 2955 2956 private void applyFactoryDefaultBrowserLPw(int userId) { 2957 // The default browser app's package name is stored in a string resource, 2958 // with a product-specific overlay used for vendor customization. 2959 String browserPkg = mContext.getResources().getString( 2960 com.android.internal.R.string.default_browser); 2961 if (!TextUtils.isEmpty(browserPkg)) { 2962 // non-empty string => required to be a known package 2963 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2964 if (ps == null) { 2965 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2966 browserPkg = null; 2967 } else { 2968 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2969 } 2970 } 2971 2972 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2973 // default. If there's more than one, just leave everything alone. 2974 if (browserPkg == null) { 2975 calculateDefaultBrowserLPw(userId); 2976 } 2977 } 2978 2979 private void calculateDefaultBrowserLPw(int userId) { 2980 List<String> allBrowsers = resolveAllBrowserApps(userId); 2981 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2982 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2983 } 2984 2985 private List<String> resolveAllBrowserApps(int userId) { 2986 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2987 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2988 PackageManager.MATCH_ALL, userId); 2989 2990 final int count = list.size(); 2991 List<String> result = new ArrayList<String>(count); 2992 for (int i=0; i<count; i++) { 2993 ResolveInfo info = list.get(i); 2994 if (info.activityInfo == null 2995 || !info.handleAllWebDataURI 2996 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2997 || result.contains(info.activityInfo.packageName)) { 2998 continue; 2999 } 3000 result.add(info.activityInfo.packageName); 3001 } 3002 3003 return result; 3004 } 3005 3006 private boolean packageIsBrowser(String packageName, int userId) { 3007 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3008 PackageManager.MATCH_ALL, userId); 3009 final int N = list.size(); 3010 for (int i = 0; i < N; i++) { 3011 ResolveInfo info = list.get(i); 3012 if (packageName.equals(info.activityInfo.packageName)) { 3013 return true; 3014 } 3015 } 3016 return false; 3017 } 3018 3019 private void checkDefaultBrowser() { 3020 final int myUserId = UserHandle.myUserId(); 3021 final String packageName = getDefaultBrowserPackageName(myUserId); 3022 if (packageName != null) { 3023 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3024 if (info == null) { 3025 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3026 synchronized (mPackages) { 3027 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3028 } 3029 } 3030 } 3031 } 3032 3033 @Override 3034 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3035 throws RemoteException { 3036 try { 3037 return super.onTransact(code, data, reply, flags); 3038 } catch (RuntimeException e) { 3039 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3040 Slog.wtf(TAG, "Package Manager Crash", e); 3041 } 3042 throw e; 3043 } 3044 } 3045 3046 static int[] appendInts(int[] cur, int[] add) { 3047 if (add == null) return cur; 3048 if (cur == null) return add; 3049 final int N = add.length; 3050 for (int i=0; i<N; i++) { 3051 cur = appendInt(cur, add[i]); 3052 } 3053 return cur; 3054 } 3055 3056 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3057 if (!sUserManager.exists(userId)) return null; 3058 if (ps == null) { 3059 return null; 3060 } 3061 final PackageParser.Package p = ps.pkg; 3062 if (p == null) { 3063 return null; 3064 } 3065 3066 final PermissionsState permissionsState = ps.getPermissionsState(); 3067 3068 // Compute GIDs only if requested 3069 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3070 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3071 // Compute granted permissions only if package has requested permissions 3072 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3073 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3074 final PackageUserState state = ps.readUserState(userId); 3075 3076 return PackageParser.generatePackageInfo(p, gids, flags, 3077 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3078 } 3079 3080 @Override 3081 public void checkPackageStartable(String packageName, int userId) { 3082 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3083 3084 synchronized (mPackages) { 3085 final PackageSetting ps = mSettings.mPackages.get(packageName); 3086 if (ps == null) { 3087 throw new SecurityException("Package " + packageName + " was not found!"); 3088 } 3089 3090 if (!ps.getInstalled(userId)) { 3091 throw new SecurityException( 3092 "Package " + packageName + " was not installed for user " + userId + "!"); 3093 } 3094 3095 if (mSafeMode && !ps.isSystem()) { 3096 throw new SecurityException("Package " + packageName + " not a system app!"); 3097 } 3098 3099 if (mFrozenPackages.contains(packageName)) { 3100 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3101 } 3102 3103 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3104 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3105 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3106 } 3107 } 3108 } 3109 3110 @Override 3111 public boolean isPackageAvailable(String packageName, int userId) { 3112 if (!sUserManager.exists(userId)) return false; 3113 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3114 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3115 synchronized (mPackages) { 3116 PackageParser.Package p = mPackages.get(packageName); 3117 if (p != null) { 3118 final PackageSetting ps = (PackageSetting) p.mExtras; 3119 if (ps != null) { 3120 final PackageUserState state = ps.readUserState(userId); 3121 if (state != null) { 3122 return PackageParser.isAvailable(state); 3123 } 3124 } 3125 } 3126 } 3127 return false; 3128 } 3129 3130 @Override 3131 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3132 if (!sUserManager.exists(userId)) return null; 3133 flags = updateFlagsForPackage(flags, userId, packageName); 3134 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3135 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3136 // reader 3137 synchronized (mPackages) { 3138 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3139 PackageParser.Package p = null; 3140 if (matchFactoryOnly) { 3141 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3142 if (ps != null) { 3143 return generatePackageInfo(ps, flags, userId); 3144 } 3145 } 3146 if (p == null) { 3147 p = mPackages.get(packageName); 3148 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3149 return null; 3150 } 3151 } 3152 if (DEBUG_PACKAGE_INFO) 3153 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3154 if (p != null) { 3155 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3156 } 3157 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3158 final PackageSetting ps = mSettings.mPackages.get(packageName); 3159 return generatePackageInfo(ps, flags, userId); 3160 } 3161 } 3162 return null; 3163 } 3164 3165 @Override 3166 public String[] currentToCanonicalPackageNames(String[] names) { 3167 String[] out = new String[names.length]; 3168 // reader 3169 synchronized (mPackages) { 3170 for (int i=names.length-1; i>=0; i--) { 3171 PackageSetting ps = mSettings.mPackages.get(names[i]); 3172 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3173 } 3174 } 3175 return out; 3176 } 3177 3178 @Override 3179 public String[] canonicalToCurrentPackageNames(String[] names) { 3180 String[] out = new String[names.length]; 3181 // reader 3182 synchronized (mPackages) { 3183 for (int i=names.length-1; i>=0; i--) { 3184 String cur = mSettings.getRenamedPackageLPr(names[i]); 3185 out[i] = cur != null ? cur : names[i]; 3186 } 3187 } 3188 return out; 3189 } 3190 3191 @Override 3192 public int getPackageUid(String packageName, int flags, int userId) { 3193 if (!sUserManager.exists(userId)) return -1; 3194 flags = updateFlagsForPackage(flags, userId, packageName); 3195 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3196 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3197 3198 // reader 3199 synchronized (mPackages) { 3200 final PackageParser.Package p = mPackages.get(packageName); 3201 if (p != null && p.isMatch(flags)) { 3202 return UserHandle.getUid(userId, p.applicationInfo.uid); 3203 } 3204 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3205 final PackageSetting ps = mSettings.mPackages.get(packageName); 3206 if (ps != null && ps.isMatch(flags)) { 3207 return UserHandle.getUid(userId, ps.appId); 3208 } 3209 } 3210 } 3211 3212 return -1; 3213 } 3214 3215 @Override 3216 public int[] getPackageGids(String packageName, int flags, int userId) { 3217 if (!sUserManager.exists(userId)) return null; 3218 flags = updateFlagsForPackage(flags, userId, packageName); 3219 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3220 false /* requireFullPermission */, false /* checkShell */, 3221 "getPackageGids"); 3222 3223 // reader 3224 synchronized (mPackages) { 3225 final PackageParser.Package p = mPackages.get(packageName); 3226 if (p != null && p.isMatch(flags)) { 3227 PackageSetting ps = (PackageSetting) p.mExtras; 3228 return ps.getPermissionsState().computeGids(userId); 3229 } 3230 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3231 final PackageSetting ps = mSettings.mPackages.get(packageName); 3232 if (ps != null && ps.isMatch(flags)) { 3233 return ps.getPermissionsState().computeGids(userId); 3234 } 3235 } 3236 } 3237 3238 return null; 3239 } 3240 3241 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3242 if (bp.perm != null) { 3243 return PackageParser.generatePermissionInfo(bp.perm, flags); 3244 } 3245 PermissionInfo pi = new PermissionInfo(); 3246 pi.name = bp.name; 3247 pi.packageName = bp.sourcePackage; 3248 pi.nonLocalizedLabel = bp.name; 3249 pi.protectionLevel = bp.protectionLevel; 3250 return pi; 3251 } 3252 3253 @Override 3254 public PermissionInfo getPermissionInfo(String name, int flags) { 3255 // reader 3256 synchronized (mPackages) { 3257 final BasePermission p = mSettings.mPermissions.get(name); 3258 if (p != null) { 3259 return generatePermissionInfo(p, flags); 3260 } 3261 return null; 3262 } 3263 } 3264 3265 @Override 3266 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3267 int flags) { 3268 // reader 3269 synchronized (mPackages) { 3270 if (group != null && !mPermissionGroups.containsKey(group)) { 3271 // This is thrown as NameNotFoundException 3272 return null; 3273 } 3274 3275 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3276 for (BasePermission p : mSettings.mPermissions.values()) { 3277 if (group == null) { 3278 if (p.perm == null || p.perm.info.group == null) { 3279 out.add(generatePermissionInfo(p, flags)); 3280 } 3281 } else { 3282 if (p.perm != null && group.equals(p.perm.info.group)) { 3283 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3284 } 3285 } 3286 } 3287 return new ParceledListSlice<>(out); 3288 } 3289 } 3290 3291 @Override 3292 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3293 // reader 3294 synchronized (mPackages) { 3295 return PackageParser.generatePermissionGroupInfo( 3296 mPermissionGroups.get(name), flags); 3297 } 3298 } 3299 3300 @Override 3301 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3302 // reader 3303 synchronized (mPackages) { 3304 final int N = mPermissionGroups.size(); 3305 ArrayList<PermissionGroupInfo> out 3306 = new ArrayList<PermissionGroupInfo>(N); 3307 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3308 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3309 } 3310 return new ParceledListSlice<>(out); 3311 } 3312 } 3313 3314 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3315 int userId) { 3316 if (!sUserManager.exists(userId)) return null; 3317 PackageSetting ps = mSettings.mPackages.get(packageName); 3318 if (ps != null) { 3319 if (ps.pkg == null) { 3320 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3321 if (pInfo != null) { 3322 return pInfo.applicationInfo; 3323 } 3324 return null; 3325 } 3326 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3327 ps.readUserState(userId), userId); 3328 } 3329 return null; 3330 } 3331 3332 @Override 3333 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3334 if (!sUserManager.exists(userId)) return null; 3335 flags = updateFlagsForApplication(flags, userId, packageName); 3336 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3337 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3338 // writer 3339 synchronized (mPackages) { 3340 PackageParser.Package p = mPackages.get(packageName); 3341 if (DEBUG_PACKAGE_INFO) Log.v( 3342 TAG, "getApplicationInfo " + packageName 3343 + ": " + p); 3344 if (p != null) { 3345 PackageSetting ps = mSettings.mPackages.get(packageName); 3346 if (ps == null) return null; 3347 // Note: isEnabledLP() does not apply here - always return info 3348 return PackageParser.generateApplicationInfo( 3349 p, flags, ps.readUserState(userId), userId); 3350 } 3351 if ("android".equals(packageName)||"system".equals(packageName)) { 3352 return mAndroidApplication; 3353 } 3354 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3355 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3356 } 3357 } 3358 return null; 3359 } 3360 3361 @Override 3362 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3363 final IPackageDataObserver observer) { 3364 mContext.enforceCallingOrSelfPermission( 3365 android.Manifest.permission.CLEAR_APP_CACHE, null); 3366 // Queue up an async operation since clearing cache may take a little while. 3367 mHandler.post(new Runnable() { 3368 public void run() { 3369 mHandler.removeCallbacks(this); 3370 boolean success = true; 3371 synchronized (mInstallLock) { 3372 try { 3373 mInstaller.freeCache(volumeUuid, freeStorageSize); 3374 } catch (InstallerException e) { 3375 Slog.w(TAG, "Couldn't clear application caches: " + e); 3376 success = false; 3377 } 3378 } 3379 if (observer != null) { 3380 try { 3381 observer.onRemoveCompleted(null, success); 3382 } catch (RemoteException e) { 3383 Slog.w(TAG, "RemoveException when invoking call back"); 3384 } 3385 } 3386 } 3387 }); 3388 } 3389 3390 @Override 3391 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3392 final IntentSender pi) { 3393 mContext.enforceCallingOrSelfPermission( 3394 android.Manifest.permission.CLEAR_APP_CACHE, null); 3395 // Queue up an async operation since clearing cache may take a little while. 3396 mHandler.post(new Runnable() { 3397 public void run() { 3398 mHandler.removeCallbacks(this); 3399 boolean success = true; 3400 synchronized (mInstallLock) { 3401 try { 3402 mInstaller.freeCache(volumeUuid, freeStorageSize); 3403 } catch (InstallerException e) { 3404 Slog.w(TAG, "Couldn't clear application caches: " + e); 3405 success = false; 3406 } 3407 } 3408 if(pi != null) { 3409 try { 3410 // Callback via pending intent 3411 int code = success ? 1 : 0; 3412 pi.sendIntent(null, code, null, 3413 null, null); 3414 } catch (SendIntentException e1) { 3415 Slog.i(TAG, "Failed to send pending intent"); 3416 } 3417 } 3418 } 3419 }); 3420 } 3421 3422 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3423 synchronized (mInstallLock) { 3424 try { 3425 mInstaller.freeCache(volumeUuid, freeStorageSize); 3426 } catch (InstallerException e) { 3427 throw new IOException("Failed to free enough space", e); 3428 } 3429 } 3430 } 3431 3432 /** 3433 * Update given flags based on encryption status of current user. 3434 */ 3435 private int updateFlags(int flags, int userId) { 3436 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3437 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3438 // Caller expressed an explicit opinion about what encryption 3439 // aware/unaware components they want to see, so fall through and 3440 // give them what they want 3441 } else { 3442 // Caller expressed no opinion, so match based on user state 3443 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3444 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3445 } else { 3446 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3447 } 3448 } 3449 return flags; 3450 } 3451 3452 private UserManagerInternal getUserManagerInternal() { 3453 if (mUserManagerInternal == null) { 3454 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3455 } 3456 return mUserManagerInternal; 3457 } 3458 3459 /** 3460 * Update given flags when being used to request {@link PackageInfo}. 3461 */ 3462 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3463 boolean triaged = true; 3464 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3465 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3466 // Caller is asking for component details, so they'd better be 3467 // asking for specific encryption matching behavior, or be triaged 3468 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3469 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3470 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3471 triaged = false; 3472 } 3473 } 3474 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3475 | PackageManager.MATCH_SYSTEM_ONLY 3476 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3477 triaged = false; 3478 } 3479 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3480 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3481 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3482 } 3483 return updateFlags(flags, userId); 3484 } 3485 3486 /** 3487 * Update given flags when being used to request {@link ApplicationInfo}. 3488 */ 3489 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3490 return updateFlagsForPackage(flags, userId, cookie); 3491 } 3492 3493 /** 3494 * Update given flags when being used to request {@link ComponentInfo}. 3495 */ 3496 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3497 if (cookie instanceof Intent) { 3498 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3499 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3500 } 3501 } 3502 3503 boolean triaged = true; 3504 // Caller is asking for component details, so they'd better be 3505 // asking for specific encryption matching behavior, or be triaged 3506 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3507 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3508 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3509 triaged = false; 3510 } 3511 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3512 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3513 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3514 } 3515 3516 return updateFlags(flags, userId); 3517 } 3518 3519 /** 3520 * Update given flags when being used to request {@link ResolveInfo}. 3521 */ 3522 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3523 // Safe mode means we shouldn't match any third-party components 3524 if (mSafeMode) { 3525 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3526 } 3527 3528 return updateFlagsForComponent(flags, userId, cookie); 3529 } 3530 3531 @Override 3532 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3533 if (!sUserManager.exists(userId)) return null; 3534 flags = updateFlagsForComponent(flags, userId, component); 3535 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3536 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3537 synchronized (mPackages) { 3538 PackageParser.Activity a = mActivities.mActivities.get(component); 3539 3540 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3541 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3542 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3543 if (ps == null) return null; 3544 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3545 userId); 3546 } 3547 if (mResolveComponentName.equals(component)) { 3548 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3549 new PackageUserState(), userId); 3550 } 3551 } 3552 return null; 3553 } 3554 3555 @Override 3556 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3557 String resolvedType) { 3558 synchronized (mPackages) { 3559 if (component.equals(mResolveComponentName)) { 3560 // The resolver supports EVERYTHING! 3561 return true; 3562 } 3563 PackageParser.Activity a = mActivities.mActivities.get(component); 3564 if (a == null) { 3565 return false; 3566 } 3567 for (int i=0; i<a.intents.size(); i++) { 3568 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3569 intent.getData(), intent.getCategories(), TAG) >= 0) { 3570 return true; 3571 } 3572 } 3573 return false; 3574 } 3575 } 3576 3577 @Override 3578 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3579 if (!sUserManager.exists(userId)) return null; 3580 flags = updateFlagsForComponent(flags, userId, component); 3581 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3582 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3583 synchronized (mPackages) { 3584 PackageParser.Activity a = mReceivers.mActivities.get(component); 3585 if (DEBUG_PACKAGE_INFO) Log.v( 3586 TAG, "getReceiverInfo " + component + ": " + a); 3587 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3588 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3589 if (ps == null) return null; 3590 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3591 userId); 3592 } 3593 } 3594 return null; 3595 } 3596 3597 @Override 3598 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3599 if (!sUserManager.exists(userId)) return null; 3600 flags = updateFlagsForComponent(flags, userId, component); 3601 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3602 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3603 synchronized (mPackages) { 3604 PackageParser.Service s = mServices.mServices.get(component); 3605 if (DEBUG_PACKAGE_INFO) Log.v( 3606 TAG, "getServiceInfo " + component + ": " + s); 3607 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3608 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3609 if (ps == null) return null; 3610 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3611 userId); 3612 } 3613 } 3614 return null; 3615 } 3616 3617 @Override 3618 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3619 if (!sUserManager.exists(userId)) return null; 3620 flags = updateFlagsForComponent(flags, userId, component); 3621 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3622 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3623 synchronized (mPackages) { 3624 PackageParser.Provider p = mProviders.mProviders.get(component); 3625 if (DEBUG_PACKAGE_INFO) Log.v( 3626 TAG, "getProviderInfo " + component + ": " + p); 3627 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3628 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3629 if (ps == null) return null; 3630 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3631 userId); 3632 } 3633 } 3634 return null; 3635 } 3636 3637 @Override 3638 public String[] getSystemSharedLibraryNames() { 3639 Set<String> libSet; 3640 synchronized (mPackages) { 3641 libSet = mSharedLibraries.keySet(); 3642 int size = libSet.size(); 3643 if (size > 0) { 3644 String[] libs = new String[size]; 3645 libSet.toArray(libs); 3646 return libs; 3647 } 3648 } 3649 return null; 3650 } 3651 3652 @Override 3653 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3654 synchronized (mPackages) { 3655 return mServicesSystemSharedLibraryPackageName; 3656 } 3657 } 3658 3659 @Override 3660 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3661 synchronized (mPackages) { 3662 return mSharedSystemSharedLibraryPackageName; 3663 } 3664 } 3665 3666 @Override 3667 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3668 synchronized (mPackages) { 3669 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3670 3671 final FeatureInfo fi = new FeatureInfo(); 3672 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3673 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3674 res.add(fi); 3675 3676 return new ParceledListSlice<>(res); 3677 } 3678 } 3679 3680 @Override 3681 public boolean hasSystemFeature(String name, int version) { 3682 synchronized (mPackages) { 3683 final FeatureInfo feat = mAvailableFeatures.get(name); 3684 if (feat == null) { 3685 return false; 3686 } else { 3687 return feat.version >= version; 3688 } 3689 } 3690 } 3691 3692 @Override 3693 public int checkPermission(String permName, String pkgName, int userId) { 3694 if (!sUserManager.exists(userId)) { 3695 return PackageManager.PERMISSION_DENIED; 3696 } 3697 3698 synchronized (mPackages) { 3699 final PackageParser.Package p = mPackages.get(pkgName); 3700 if (p != null && p.mExtras != null) { 3701 final PackageSetting ps = (PackageSetting) p.mExtras; 3702 final PermissionsState permissionsState = ps.getPermissionsState(); 3703 if (permissionsState.hasPermission(permName, userId)) { 3704 return PackageManager.PERMISSION_GRANTED; 3705 } 3706 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3707 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3708 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3709 return PackageManager.PERMISSION_GRANTED; 3710 } 3711 } 3712 } 3713 3714 return PackageManager.PERMISSION_DENIED; 3715 } 3716 3717 @Override 3718 public int checkUidPermission(String permName, int uid) { 3719 final int userId = UserHandle.getUserId(uid); 3720 3721 if (!sUserManager.exists(userId)) { 3722 return PackageManager.PERMISSION_DENIED; 3723 } 3724 3725 synchronized (mPackages) { 3726 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3727 if (obj != null) { 3728 final SettingBase ps = (SettingBase) obj; 3729 final PermissionsState permissionsState = ps.getPermissionsState(); 3730 if (permissionsState.hasPermission(permName, userId)) { 3731 return PackageManager.PERMISSION_GRANTED; 3732 } 3733 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3734 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3735 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3736 return PackageManager.PERMISSION_GRANTED; 3737 } 3738 } else { 3739 ArraySet<String> perms = mSystemPermissions.get(uid); 3740 if (perms != null) { 3741 if (perms.contains(permName)) { 3742 return PackageManager.PERMISSION_GRANTED; 3743 } 3744 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3745 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3746 return PackageManager.PERMISSION_GRANTED; 3747 } 3748 } 3749 } 3750 } 3751 3752 return PackageManager.PERMISSION_DENIED; 3753 } 3754 3755 @Override 3756 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3757 if (UserHandle.getCallingUserId() != userId) { 3758 mContext.enforceCallingPermission( 3759 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3760 "isPermissionRevokedByPolicy for user " + userId); 3761 } 3762 3763 if (checkPermission(permission, packageName, userId) 3764 == PackageManager.PERMISSION_GRANTED) { 3765 return false; 3766 } 3767 3768 final long identity = Binder.clearCallingIdentity(); 3769 try { 3770 final int flags = getPermissionFlags(permission, packageName, userId); 3771 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3772 } finally { 3773 Binder.restoreCallingIdentity(identity); 3774 } 3775 } 3776 3777 @Override 3778 public String getPermissionControllerPackageName() { 3779 synchronized (mPackages) { 3780 return mRequiredInstallerPackage; 3781 } 3782 } 3783 3784 /** 3785 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3786 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3787 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3788 * @param message the message to log on security exception 3789 */ 3790 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3791 boolean checkShell, String message) { 3792 if (userId < 0) { 3793 throw new IllegalArgumentException("Invalid userId " + userId); 3794 } 3795 if (checkShell) { 3796 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3797 } 3798 if (userId == UserHandle.getUserId(callingUid)) return; 3799 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3800 if (requireFullPermission) { 3801 mContext.enforceCallingOrSelfPermission( 3802 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3803 } else { 3804 try { 3805 mContext.enforceCallingOrSelfPermission( 3806 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3807 } catch (SecurityException se) { 3808 mContext.enforceCallingOrSelfPermission( 3809 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3810 } 3811 } 3812 } 3813 } 3814 3815 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3816 if (callingUid == Process.SHELL_UID) { 3817 if (userHandle >= 0 3818 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3819 throw new SecurityException("Shell does not have permission to access user " 3820 + userHandle); 3821 } else if (userHandle < 0) { 3822 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3823 + Debug.getCallers(3)); 3824 } 3825 } 3826 } 3827 3828 private BasePermission findPermissionTreeLP(String permName) { 3829 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3830 if (permName.startsWith(bp.name) && 3831 permName.length() > bp.name.length() && 3832 permName.charAt(bp.name.length()) == '.') { 3833 return bp; 3834 } 3835 } 3836 return null; 3837 } 3838 3839 private BasePermission checkPermissionTreeLP(String permName) { 3840 if (permName != null) { 3841 BasePermission bp = findPermissionTreeLP(permName); 3842 if (bp != null) { 3843 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3844 return bp; 3845 } 3846 throw new SecurityException("Calling uid " 3847 + Binder.getCallingUid() 3848 + " is not allowed to add to permission tree " 3849 + bp.name + " owned by uid " + bp.uid); 3850 } 3851 } 3852 throw new SecurityException("No permission tree found for " + permName); 3853 } 3854 3855 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3856 if (s1 == null) { 3857 return s2 == null; 3858 } 3859 if (s2 == null) { 3860 return false; 3861 } 3862 if (s1.getClass() != s2.getClass()) { 3863 return false; 3864 } 3865 return s1.equals(s2); 3866 } 3867 3868 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3869 if (pi1.icon != pi2.icon) return false; 3870 if (pi1.logo != pi2.logo) return false; 3871 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3872 if (!compareStrings(pi1.name, pi2.name)) return false; 3873 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3874 // We'll take care of setting this one. 3875 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3876 // These are not currently stored in settings. 3877 //if (!compareStrings(pi1.group, pi2.group)) return false; 3878 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3879 //if (pi1.labelRes != pi2.labelRes) return false; 3880 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3881 return true; 3882 } 3883 3884 int permissionInfoFootprint(PermissionInfo info) { 3885 int size = info.name.length(); 3886 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3887 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3888 return size; 3889 } 3890 3891 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3892 int size = 0; 3893 for (BasePermission perm : mSettings.mPermissions.values()) { 3894 if (perm.uid == tree.uid) { 3895 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3896 } 3897 } 3898 return size; 3899 } 3900 3901 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3902 // We calculate the max size of permissions defined by this uid and throw 3903 // if that plus the size of 'info' would exceed our stated maximum. 3904 if (tree.uid != Process.SYSTEM_UID) { 3905 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3906 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3907 throw new SecurityException("Permission tree size cap exceeded"); 3908 } 3909 } 3910 } 3911 3912 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3913 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3914 throw new SecurityException("Label must be specified in permission"); 3915 } 3916 BasePermission tree = checkPermissionTreeLP(info.name); 3917 BasePermission bp = mSettings.mPermissions.get(info.name); 3918 boolean added = bp == null; 3919 boolean changed = true; 3920 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3921 if (added) { 3922 enforcePermissionCapLocked(info, tree); 3923 bp = new BasePermission(info.name, tree.sourcePackage, 3924 BasePermission.TYPE_DYNAMIC); 3925 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3926 throw new SecurityException( 3927 "Not allowed to modify non-dynamic permission " 3928 + info.name); 3929 } else { 3930 if (bp.protectionLevel == fixedLevel 3931 && bp.perm.owner.equals(tree.perm.owner) 3932 && bp.uid == tree.uid 3933 && comparePermissionInfos(bp.perm.info, info)) { 3934 changed = false; 3935 } 3936 } 3937 bp.protectionLevel = fixedLevel; 3938 info = new PermissionInfo(info); 3939 info.protectionLevel = fixedLevel; 3940 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3941 bp.perm.info.packageName = tree.perm.info.packageName; 3942 bp.uid = tree.uid; 3943 if (added) { 3944 mSettings.mPermissions.put(info.name, bp); 3945 } 3946 if (changed) { 3947 if (!async) { 3948 mSettings.writeLPr(); 3949 } else { 3950 scheduleWriteSettingsLocked(); 3951 } 3952 } 3953 return added; 3954 } 3955 3956 @Override 3957 public boolean addPermission(PermissionInfo info) { 3958 synchronized (mPackages) { 3959 return addPermissionLocked(info, false); 3960 } 3961 } 3962 3963 @Override 3964 public boolean addPermissionAsync(PermissionInfo info) { 3965 synchronized (mPackages) { 3966 return addPermissionLocked(info, true); 3967 } 3968 } 3969 3970 @Override 3971 public void removePermission(String name) { 3972 synchronized (mPackages) { 3973 checkPermissionTreeLP(name); 3974 BasePermission bp = mSettings.mPermissions.get(name); 3975 if (bp != null) { 3976 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3977 throw new SecurityException( 3978 "Not allowed to modify non-dynamic permission " 3979 + name); 3980 } 3981 mSettings.mPermissions.remove(name); 3982 mSettings.writeLPr(); 3983 } 3984 } 3985 } 3986 3987 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3988 BasePermission bp) { 3989 int index = pkg.requestedPermissions.indexOf(bp.name); 3990 if (index == -1) { 3991 throw new SecurityException("Package " + pkg.packageName 3992 + " has not requested permission " + bp.name); 3993 } 3994 if (!bp.isRuntime() && !bp.isDevelopment()) { 3995 throw new SecurityException("Permission " + bp.name 3996 + " is not a changeable permission type"); 3997 } 3998 } 3999 4000 @Override 4001 public void grantRuntimePermission(String packageName, String name, final int userId) { 4002 if (!sUserManager.exists(userId)) { 4003 Log.e(TAG, "No such user:" + userId); 4004 return; 4005 } 4006 4007 mContext.enforceCallingOrSelfPermission( 4008 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4009 "grantRuntimePermission"); 4010 4011 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4012 true /* requireFullPermission */, true /* checkShell */, 4013 "grantRuntimePermission"); 4014 4015 final int uid; 4016 final SettingBase sb; 4017 4018 synchronized (mPackages) { 4019 final PackageParser.Package pkg = mPackages.get(packageName); 4020 if (pkg == null) { 4021 throw new IllegalArgumentException("Unknown package: " + packageName); 4022 } 4023 4024 final BasePermission bp = mSettings.mPermissions.get(name); 4025 if (bp == null) { 4026 throw new IllegalArgumentException("Unknown permission: " + name); 4027 } 4028 4029 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4030 4031 // If a permission review is required for legacy apps we represent 4032 // their permissions as always granted runtime ones since we need 4033 // to keep the review required permission flag per user while an 4034 // install permission's state is shared across all users. 4035 if (mPermissionReviewRequired 4036 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4037 && bp.isRuntime()) { 4038 return; 4039 } 4040 4041 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4042 sb = (SettingBase) pkg.mExtras; 4043 if (sb == null) { 4044 throw new IllegalArgumentException("Unknown package: " + packageName); 4045 } 4046 4047 final PermissionsState permissionsState = sb.getPermissionsState(); 4048 4049 final int flags = permissionsState.getPermissionFlags(name, userId); 4050 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4051 throw new SecurityException("Cannot grant system fixed permission " 4052 + name + " for package " + packageName); 4053 } 4054 4055 if (bp.isDevelopment()) { 4056 // Development permissions must be handled specially, since they are not 4057 // normal runtime permissions. For now they apply to all users. 4058 if (permissionsState.grantInstallPermission(bp) != 4059 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4060 scheduleWriteSettingsLocked(); 4061 } 4062 return; 4063 } 4064 4065 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4066 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4067 return; 4068 } 4069 4070 final int result = permissionsState.grantRuntimePermission(bp, userId); 4071 switch (result) { 4072 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4073 return; 4074 } 4075 4076 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4077 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4078 mHandler.post(new Runnable() { 4079 @Override 4080 public void run() { 4081 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4082 } 4083 }); 4084 } 4085 break; 4086 } 4087 4088 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4089 4090 // Not critical if that is lost - app has to request again. 4091 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4092 } 4093 4094 // Only need to do this if user is initialized. Otherwise it's a new user 4095 // and there are no processes running as the user yet and there's no need 4096 // to make an expensive call to remount processes for the changed permissions. 4097 if (READ_EXTERNAL_STORAGE.equals(name) 4098 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4099 final long token = Binder.clearCallingIdentity(); 4100 try { 4101 if (sUserManager.isInitialized(userId)) { 4102 MountServiceInternal mountServiceInternal = LocalServices.getService( 4103 MountServiceInternal.class); 4104 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4105 } 4106 } finally { 4107 Binder.restoreCallingIdentity(token); 4108 } 4109 } 4110 } 4111 4112 @Override 4113 public void revokeRuntimePermission(String packageName, String name, int userId) { 4114 if (!sUserManager.exists(userId)) { 4115 Log.e(TAG, "No such user:" + userId); 4116 return; 4117 } 4118 4119 mContext.enforceCallingOrSelfPermission( 4120 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4121 "revokeRuntimePermission"); 4122 4123 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4124 true /* requireFullPermission */, true /* checkShell */, 4125 "revokeRuntimePermission"); 4126 4127 final int appId; 4128 4129 synchronized (mPackages) { 4130 final PackageParser.Package pkg = mPackages.get(packageName); 4131 if (pkg == null) { 4132 throw new IllegalArgumentException("Unknown package: " + packageName); 4133 } 4134 4135 final BasePermission bp = mSettings.mPermissions.get(name); 4136 if (bp == null) { 4137 throw new IllegalArgumentException("Unknown permission: " + name); 4138 } 4139 4140 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4141 4142 // If a permission review is required for legacy apps we represent 4143 // their permissions as always granted runtime ones since we need 4144 // to keep the review required permission flag per user while an 4145 // install permission's state is shared across all users. 4146 if (mPermissionReviewRequired 4147 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4148 && bp.isRuntime()) { 4149 return; 4150 } 4151 4152 SettingBase sb = (SettingBase) pkg.mExtras; 4153 if (sb == null) { 4154 throw new IllegalArgumentException("Unknown package: " + packageName); 4155 } 4156 4157 final PermissionsState permissionsState = sb.getPermissionsState(); 4158 4159 final int flags = permissionsState.getPermissionFlags(name, userId); 4160 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4161 throw new SecurityException("Cannot revoke system fixed permission " 4162 + name + " for package " + packageName); 4163 } 4164 4165 if (bp.isDevelopment()) { 4166 // Development permissions must be handled specially, since they are not 4167 // normal runtime permissions. For now they apply to all users. 4168 if (permissionsState.revokeInstallPermission(bp) != 4169 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4170 scheduleWriteSettingsLocked(); 4171 } 4172 return; 4173 } 4174 4175 if (permissionsState.revokeRuntimePermission(bp, userId) == 4176 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4177 return; 4178 } 4179 4180 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4181 4182 // Critical, after this call app should never have the permission. 4183 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4184 4185 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4186 } 4187 4188 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4189 } 4190 4191 @Override 4192 public void resetRuntimePermissions() { 4193 mContext.enforceCallingOrSelfPermission( 4194 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4195 "revokeRuntimePermission"); 4196 4197 int callingUid = Binder.getCallingUid(); 4198 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4199 mContext.enforceCallingOrSelfPermission( 4200 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4201 "resetRuntimePermissions"); 4202 } 4203 4204 synchronized (mPackages) { 4205 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4206 for (int userId : UserManagerService.getInstance().getUserIds()) { 4207 final int packageCount = mPackages.size(); 4208 for (int i = 0; i < packageCount; i++) { 4209 PackageParser.Package pkg = mPackages.valueAt(i); 4210 if (!(pkg.mExtras instanceof PackageSetting)) { 4211 continue; 4212 } 4213 PackageSetting ps = (PackageSetting) pkg.mExtras; 4214 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4215 } 4216 } 4217 } 4218 } 4219 4220 @Override 4221 public int getPermissionFlags(String name, String packageName, int userId) { 4222 if (!sUserManager.exists(userId)) { 4223 return 0; 4224 } 4225 4226 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4227 4228 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4229 true /* requireFullPermission */, false /* checkShell */, 4230 "getPermissionFlags"); 4231 4232 synchronized (mPackages) { 4233 final PackageParser.Package pkg = mPackages.get(packageName); 4234 if (pkg == null) { 4235 return 0; 4236 } 4237 4238 final BasePermission bp = mSettings.mPermissions.get(name); 4239 if (bp == null) { 4240 return 0; 4241 } 4242 4243 SettingBase sb = (SettingBase) pkg.mExtras; 4244 if (sb == null) { 4245 return 0; 4246 } 4247 4248 PermissionsState permissionsState = sb.getPermissionsState(); 4249 return permissionsState.getPermissionFlags(name, userId); 4250 } 4251 } 4252 4253 @Override 4254 public void updatePermissionFlags(String name, String packageName, int flagMask, 4255 int flagValues, int userId) { 4256 if (!sUserManager.exists(userId)) { 4257 return; 4258 } 4259 4260 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4261 4262 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4263 true /* requireFullPermission */, true /* checkShell */, 4264 "updatePermissionFlags"); 4265 4266 // Only the system can change these flags and nothing else. 4267 if (getCallingUid() != Process.SYSTEM_UID) { 4268 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4269 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4270 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4271 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4272 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4273 } 4274 4275 synchronized (mPackages) { 4276 final PackageParser.Package pkg = mPackages.get(packageName); 4277 if (pkg == null) { 4278 throw new IllegalArgumentException("Unknown package: " + packageName); 4279 } 4280 4281 final BasePermission bp = mSettings.mPermissions.get(name); 4282 if (bp == null) { 4283 throw new IllegalArgumentException("Unknown permission: " + name); 4284 } 4285 4286 SettingBase sb = (SettingBase) pkg.mExtras; 4287 if (sb == null) { 4288 throw new IllegalArgumentException("Unknown package: " + packageName); 4289 } 4290 4291 PermissionsState permissionsState = sb.getPermissionsState(); 4292 4293 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4294 4295 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4296 // Install and runtime permissions are stored in different places, 4297 // so figure out what permission changed and persist the change. 4298 if (permissionsState.getInstallPermissionState(name) != null) { 4299 scheduleWriteSettingsLocked(); 4300 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4301 || hadState) { 4302 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4303 } 4304 } 4305 } 4306 } 4307 4308 /** 4309 * Update the permission flags for all packages and runtime permissions of a user in order 4310 * to allow device or profile owner to remove POLICY_FIXED. 4311 */ 4312 @Override 4313 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4314 if (!sUserManager.exists(userId)) { 4315 return; 4316 } 4317 4318 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4319 4320 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4321 true /* requireFullPermission */, true /* checkShell */, 4322 "updatePermissionFlagsForAllApps"); 4323 4324 // Only the system can change system fixed flags. 4325 if (getCallingUid() != Process.SYSTEM_UID) { 4326 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4327 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4328 } 4329 4330 synchronized (mPackages) { 4331 boolean changed = false; 4332 final int packageCount = mPackages.size(); 4333 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4334 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4335 SettingBase sb = (SettingBase) pkg.mExtras; 4336 if (sb == null) { 4337 continue; 4338 } 4339 PermissionsState permissionsState = sb.getPermissionsState(); 4340 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4341 userId, flagMask, flagValues); 4342 } 4343 if (changed) { 4344 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4345 } 4346 } 4347 } 4348 4349 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4350 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4351 != PackageManager.PERMISSION_GRANTED 4352 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4353 != PackageManager.PERMISSION_GRANTED) { 4354 throw new SecurityException(message + " requires " 4355 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4356 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4357 } 4358 } 4359 4360 @Override 4361 public boolean shouldShowRequestPermissionRationale(String permissionName, 4362 String packageName, int userId) { 4363 if (UserHandle.getCallingUserId() != userId) { 4364 mContext.enforceCallingPermission( 4365 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4366 "canShowRequestPermissionRationale for user " + userId); 4367 } 4368 4369 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4370 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4371 return false; 4372 } 4373 4374 if (checkPermission(permissionName, packageName, userId) 4375 == PackageManager.PERMISSION_GRANTED) { 4376 return false; 4377 } 4378 4379 final int flags; 4380 4381 final long identity = Binder.clearCallingIdentity(); 4382 try { 4383 flags = getPermissionFlags(permissionName, 4384 packageName, userId); 4385 } finally { 4386 Binder.restoreCallingIdentity(identity); 4387 } 4388 4389 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4390 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4391 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4392 4393 if ((flags & fixedFlags) != 0) { 4394 return false; 4395 } 4396 4397 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4398 } 4399 4400 @Override 4401 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4402 mContext.enforceCallingOrSelfPermission( 4403 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4404 "addOnPermissionsChangeListener"); 4405 4406 synchronized (mPackages) { 4407 mOnPermissionChangeListeners.addListenerLocked(listener); 4408 } 4409 } 4410 4411 @Override 4412 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4413 synchronized (mPackages) { 4414 mOnPermissionChangeListeners.removeListenerLocked(listener); 4415 } 4416 } 4417 4418 @Override 4419 public boolean isProtectedBroadcast(String actionName) { 4420 synchronized (mPackages) { 4421 if (mProtectedBroadcasts.contains(actionName)) { 4422 return true; 4423 } else if (actionName != null) { 4424 // TODO: remove these terrible hacks 4425 if (actionName.startsWith("android.net.netmon.lingerExpired") 4426 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4427 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4428 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4429 return true; 4430 } 4431 } 4432 } 4433 return false; 4434 } 4435 4436 @Override 4437 public int checkSignatures(String pkg1, String pkg2) { 4438 synchronized (mPackages) { 4439 final PackageParser.Package p1 = mPackages.get(pkg1); 4440 final PackageParser.Package p2 = mPackages.get(pkg2); 4441 if (p1 == null || p1.mExtras == null 4442 || p2 == null || p2.mExtras == null) { 4443 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4444 } 4445 return compareSignatures(p1.mSignatures, p2.mSignatures); 4446 } 4447 } 4448 4449 @Override 4450 public int checkUidSignatures(int uid1, int uid2) { 4451 // Map to base uids. 4452 uid1 = UserHandle.getAppId(uid1); 4453 uid2 = UserHandle.getAppId(uid2); 4454 // reader 4455 synchronized (mPackages) { 4456 Signature[] s1; 4457 Signature[] s2; 4458 Object obj = mSettings.getUserIdLPr(uid1); 4459 if (obj != null) { 4460 if (obj instanceof SharedUserSetting) { 4461 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4462 } else if (obj instanceof PackageSetting) { 4463 s1 = ((PackageSetting)obj).signatures.mSignatures; 4464 } else { 4465 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4466 } 4467 } else { 4468 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4469 } 4470 obj = mSettings.getUserIdLPr(uid2); 4471 if (obj != null) { 4472 if (obj instanceof SharedUserSetting) { 4473 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4474 } else if (obj instanceof PackageSetting) { 4475 s2 = ((PackageSetting)obj).signatures.mSignatures; 4476 } else { 4477 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4478 } 4479 } else { 4480 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4481 } 4482 return compareSignatures(s1, s2); 4483 } 4484 } 4485 4486 /** 4487 * This method should typically only be used when granting or revoking 4488 * permissions, since the app may immediately restart after this call. 4489 * <p> 4490 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4491 * guard your work against the app being relaunched. 4492 */ 4493 private void killUid(int appId, int userId, String reason) { 4494 final long identity = Binder.clearCallingIdentity(); 4495 try { 4496 IActivityManager am = ActivityManagerNative.getDefault(); 4497 if (am != null) { 4498 try { 4499 am.killUid(appId, userId, reason); 4500 } catch (RemoteException e) { 4501 /* ignore - same process */ 4502 } 4503 } 4504 } finally { 4505 Binder.restoreCallingIdentity(identity); 4506 } 4507 } 4508 4509 /** 4510 * Compares two sets of signatures. Returns: 4511 * <br /> 4512 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4513 * <br /> 4514 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4515 * <br /> 4516 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4517 * <br /> 4518 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4519 * <br /> 4520 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4521 */ 4522 static int compareSignatures(Signature[] s1, Signature[] s2) { 4523 if (s1 == null) { 4524 return s2 == null 4525 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4526 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4527 } 4528 4529 if (s2 == null) { 4530 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4531 } 4532 4533 if (s1.length != s2.length) { 4534 return PackageManager.SIGNATURE_NO_MATCH; 4535 } 4536 4537 // Since both signature sets are of size 1, we can compare without HashSets. 4538 if (s1.length == 1) { 4539 return s1[0].equals(s2[0]) ? 4540 PackageManager.SIGNATURE_MATCH : 4541 PackageManager.SIGNATURE_NO_MATCH; 4542 } 4543 4544 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4545 for (Signature sig : s1) { 4546 set1.add(sig); 4547 } 4548 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4549 for (Signature sig : s2) { 4550 set2.add(sig); 4551 } 4552 // Make sure s2 contains all signatures in s1. 4553 if (set1.equals(set2)) { 4554 return PackageManager.SIGNATURE_MATCH; 4555 } 4556 return PackageManager.SIGNATURE_NO_MATCH; 4557 } 4558 4559 /** 4560 * If the database version for this type of package (internal storage or 4561 * external storage) is less than the version where package signatures 4562 * were updated, return true. 4563 */ 4564 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4565 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4566 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4567 } 4568 4569 /** 4570 * Used for backward compatibility to make sure any packages with 4571 * certificate chains get upgraded to the new style. {@code existingSigs} 4572 * will be in the old format (since they were stored on disk from before the 4573 * system upgrade) and {@code scannedSigs} will be in the newer format. 4574 */ 4575 private int compareSignaturesCompat(PackageSignatures existingSigs, 4576 PackageParser.Package scannedPkg) { 4577 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4578 return PackageManager.SIGNATURE_NO_MATCH; 4579 } 4580 4581 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4582 for (Signature sig : existingSigs.mSignatures) { 4583 existingSet.add(sig); 4584 } 4585 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4586 for (Signature sig : scannedPkg.mSignatures) { 4587 try { 4588 Signature[] chainSignatures = sig.getChainSignatures(); 4589 for (Signature chainSig : chainSignatures) { 4590 scannedCompatSet.add(chainSig); 4591 } 4592 } catch (CertificateEncodingException e) { 4593 scannedCompatSet.add(sig); 4594 } 4595 } 4596 /* 4597 * Make sure the expanded scanned set contains all signatures in the 4598 * existing one. 4599 */ 4600 if (scannedCompatSet.equals(existingSet)) { 4601 // Migrate the old signatures to the new scheme. 4602 existingSigs.assignSignatures(scannedPkg.mSignatures); 4603 // The new KeySets will be re-added later in the scanning process. 4604 synchronized (mPackages) { 4605 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4606 } 4607 return PackageManager.SIGNATURE_MATCH; 4608 } 4609 return PackageManager.SIGNATURE_NO_MATCH; 4610 } 4611 4612 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4613 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4614 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4615 } 4616 4617 private int compareSignaturesRecover(PackageSignatures existingSigs, 4618 PackageParser.Package scannedPkg) { 4619 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4620 return PackageManager.SIGNATURE_NO_MATCH; 4621 } 4622 4623 String msg = null; 4624 try { 4625 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4626 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4627 + scannedPkg.packageName); 4628 return PackageManager.SIGNATURE_MATCH; 4629 } 4630 } catch (CertificateException e) { 4631 msg = e.getMessage(); 4632 } 4633 4634 logCriticalInfo(Log.INFO, 4635 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4636 return PackageManager.SIGNATURE_NO_MATCH; 4637 } 4638 4639 @Override 4640 public List<String> getAllPackages() { 4641 synchronized (mPackages) { 4642 return new ArrayList<String>(mPackages.keySet()); 4643 } 4644 } 4645 4646 @Override 4647 public String[] getPackagesForUid(int uid) { 4648 uid = UserHandle.getAppId(uid); 4649 // reader 4650 synchronized (mPackages) { 4651 Object obj = mSettings.getUserIdLPr(uid); 4652 if (obj instanceof SharedUserSetting) { 4653 final SharedUserSetting sus = (SharedUserSetting) obj; 4654 final int N = sus.packages.size(); 4655 final String[] res = new String[N]; 4656 for (int i = 0; i < N; i++) { 4657 res[i] = sus.packages.valueAt(i).name; 4658 } 4659 return res; 4660 } else if (obj instanceof PackageSetting) { 4661 final PackageSetting ps = (PackageSetting) obj; 4662 return new String[] { ps.name }; 4663 } 4664 } 4665 return null; 4666 } 4667 4668 @Override 4669 public String getNameForUid(int uid) { 4670 // reader 4671 synchronized (mPackages) { 4672 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4673 if (obj instanceof SharedUserSetting) { 4674 final SharedUserSetting sus = (SharedUserSetting) obj; 4675 return sus.name + ":" + sus.userId; 4676 } else if (obj instanceof PackageSetting) { 4677 final PackageSetting ps = (PackageSetting) obj; 4678 return ps.name; 4679 } 4680 } 4681 return null; 4682 } 4683 4684 @Override 4685 public int getUidForSharedUser(String sharedUserName) { 4686 if(sharedUserName == null) { 4687 return -1; 4688 } 4689 // reader 4690 synchronized (mPackages) { 4691 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4692 if (suid == null) { 4693 return -1; 4694 } 4695 return suid.userId; 4696 } 4697 } 4698 4699 @Override 4700 public int getFlagsForUid(int uid) { 4701 synchronized (mPackages) { 4702 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4703 if (obj instanceof SharedUserSetting) { 4704 final SharedUserSetting sus = (SharedUserSetting) obj; 4705 return sus.pkgFlags; 4706 } else if (obj instanceof PackageSetting) { 4707 final PackageSetting ps = (PackageSetting) obj; 4708 return ps.pkgFlags; 4709 } 4710 } 4711 return 0; 4712 } 4713 4714 @Override 4715 public int getPrivateFlagsForUid(int uid) { 4716 synchronized (mPackages) { 4717 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4718 if (obj instanceof SharedUserSetting) { 4719 final SharedUserSetting sus = (SharedUserSetting) obj; 4720 return sus.pkgPrivateFlags; 4721 } else if (obj instanceof PackageSetting) { 4722 final PackageSetting ps = (PackageSetting) obj; 4723 return ps.pkgPrivateFlags; 4724 } 4725 } 4726 return 0; 4727 } 4728 4729 @Override 4730 public boolean isUidPrivileged(int uid) { 4731 uid = UserHandle.getAppId(uid); 4732 // reader 4733 synchronized (mPackages) { 4734 Object obj = mSettings.getUserIdLPr(uid); 4735 if (obj instanceof SharedUserSetting) { 4736 final SharedUserSetting sus = (SharedUserSetting) obj; 4737 final Iterator<PackageSetting> it = sus.packages.iterator(); 4738 while (it.hasNext()) { 4739 if (it.next().isPrivileged()) { 4740 return true; 4741 } 4742 } 4743 } else if (obj instanceof PackageSetting) { 4744 final PackageSetting ps = (PackageSetting) obj; 4745 return ps.isPrivileged(); 4746 } 4747 } 4748 return false; 4749 } 4750 4751 @Override 4752 public String[] getAppOpPermissionPackages(String permissionName) { 4753 synchronized (mPackages) { 4754 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4755 if (pkgs == null) { 4756 return null; 4757 } 4758 return pkgs.toArray(new String[pkgs.size()]); 4759 } 4760 } 4761 4762 @Override 4763 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4764 int flags, int userId) { 4765 try { 4766 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4767 4768 if (!sUserManager.exists(userId)) return null; 4769 flags = updateFlagsForResolve(flags, userId, intent); 4770 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4771 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4772 4773 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4774 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4775 flags, userId); 4776 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4777 4778 final ResolveInfo bestChoice = 4779 chooseBestActivity(intent, resolvedType, flags, query, userId); 4780 return bestChoice; 4781 } finally { 4782 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4783 } 4784 } 4785 4786 @Override 4787 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4788 IntentFilter filter, int match, ComponentName activity) { 4789 final int userId = UserHandle.getCallingUserId(); 4790 if (DEBUG_PREFERRED) { 4791 Log.v(TAG, "setLastChosenActivity intent=" + intent 4792 + " resolvedType=" + resolvedType 4793 + " flags=" + flags 4794 + " filter=" + filter 4795 + " match=" + match 4796 + " activity=" + activity); 4797 filter.dump(new PrintStreamPrinter(System.out), " "); 4798 } 4799 intent.setComponent(null); 4800 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4801 userId); 4802 // Find any earlier preferred or last chosen entries and nuke them 4803 findPreferredActivity(intent, resolvedType, 4804 flags, query, 0, false, true, false, userId); 4805 // Add the new activity as the last chosen for this filter 4806 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4807 "Setting last chosen"); 4808 } 4809 4810 @Override 4811 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4812 final int userId = UserHandle.getCallingUserId(); 4813 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4814 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4815 userId); 4816 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4817 false, false, false, userId); 4818 } 4819 4820 private boolean isEphemeralDisabled() { 4821 // ephemeral apps have been disabled across the board 4822 if (DISABLE_EPHEMERAL_APPS) { 4823 return true; 4824 } 4825 // system isn't up yet; can't read settings, so, assume no ephemeral apps 4826 if (!mSystemReady) { 4827 return true; 4828 } 4829 return Secure.getInt(mContext.getContentResolver(), Secure.WEB_ACTION_ENABLED, 1) == 0; 4830 } 4831 4832 private boolean isEphemeralAllowed( 4833 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 4834 boolean skipPackageCheck) { 4835 // Short circuit and return early if possible. 4836 if (isEphemeralDisabled()) { 4837 return false; 4838 } 4839 final int callingUser = UserHandle.getCallingUserId(); 4840 if (callingUser != UserHandle.USER_SYSTEM) { 4841 return false; 4842 } 4843 if (mEphemeralResolverConnection == null) { 4844 return false; 4845 } 4846 if (intent.getComponent() != null) { 4847 return false; 4848 } 4849 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 4850 return false; 4851 } 4852 if (!skipPackageCheck && intent.getPackage() != null) { 4853 return false; 4854 } 4855 final boolean isWebUri = hasWebURI(intent); 4856 if (!isWebUri || intent.getData().getHost() == null) { 4857 return false; 4858 } 4859 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4860 synchronized (mPackages) { 4861 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 4862 for (int n = 0; n < count; n++) { 4863 ResolveInfo info = resolvedActivities.get(n); 4864 String packageName = info.activityInfo.packageName; 4865 PackageSetting ps = mSettings.mPackages.get(packageName); 4866 if (ps != null) { 4867 // Try to get the status from User settings first 4868 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4869 int status = (int) (packedStatus >> 32); 4870 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4871 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4872 if (DEBUG_EPHEMERAL) { 4873 Slog.v(TAG, "DENY ephemeral apps;" 4874 + " pkg: " + packageName + ", status: " + status); 4875 } 4876 return false; 4877 } 4878 } 4879 } 4880 } 4881 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4882 return true; 4883 } 4884 4885 private static EphemeralResolveInfo getEphemeralResolveInfo( 4886 Context context, EphemeralResolverConnection resolverConnection, Intent intent, 4887 String resolvedType, int userId, String packageName) { 4888 final int ephemeralPrefixMask = Global.getInt(context.getContentResolver(), 4889 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4890 final int ephemeralPrefixCount = Global.getInt(context.getContentResolver(), 4891 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4892 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4893 ephemeralPrefixCount); 4894 final int[] shaPrefix = digest.getDigestPrefix(); 4895 final byte[][] digestBytes = digest.getDigestBytes(); 4896 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4897 resolverConnection.getEphemeralResolveInfoList(shaPrefix, ephemeralPrefixMask); 4898 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4899 // No hash prefix match; there are no ephemeral apps for this domain. 4900 return null; 4901 } 4902 4903 // Go in reverse order so we match the narrowest scope first. 4904 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4905 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4906 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4907 continue; 4908 } 4909 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4910 // No filters; this should never happen. 4911 if (filters.isEmpty()) { 4912 continue; 4913 } 4914 if (packageName != null 4915 && !packageName.equals(ephemeralApplication.getPackageName())) { 4916 continue; 4917 } 4918 // We have a domain match; resolve the filters to see if anything matches. 4919 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4920 for (int j = filters.size() - 1; j >= 0; --j) { 4921 final EphemeralResolveIntentInfo intentInfo = 4922 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4923 ephemeralResolver.addFilter(intentInfo); 4924 } 4925 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4926 intent, resolvedType, false /*defaultOnly*/, userId); 4927 if (!matchedResolveInfoList.isEmpty()) { 4928 return matchedResolveInfoList.get(0); 4929 } 4930 } 4931 } 4932 // Hash or filter mis-match; no ephemeral apps for this domain. 4933 return null; 4934 } 4935 4936 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4937 int flags, List<ResolveInfo> query, int userId) { 4938 if (query != null) { 4939 final int N = query.size(); 4940 if (N == 1) { 4941 return query.get(0); 4942 } else if (N > 1) { 4943 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4944 // If there is more than one activity with the same priority, 4945 // then let the user decide between them. 4946 ResolveInfo r0 = query.get(0); 4947 ResolveInfo r1 = query.get(1); 4948 if (DEBUG_INTENT_MATCHING || debug) { 4949 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4950 + r1.activityInfo.name + "=" + r1.priority); 4951 } 4952 // If the first activity has a higher priority, or a different 4953 // default, then it is always desirable to pick it. 4954 if (r0.priority != r1.priority 4955 || r0.preferredOrder != r1.preferredOrder 4956 || r0.isDefault != r1.isDefault) { 4957 return query.get(0); 4958 } 4959 // If we have saved a preference for a preferred activity for 4960 // this Intent, use that. 4961 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4962 flags, query, r0.priority, true, false, debug, userId); 4963 if (ri != null) { 4964 return ri; 4965 } 4966 ri = new ResolveInfo(mResolveInfo); 4967 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4968 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4969 // If all of the options come from the same package, show the application's 4970 // label and icon instead of the generic resolver's. 4971 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 4972 // and then throw away the ResolveInfo itself, meaning that the caller loses 4973 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 4974 // a fallback for this case; we only set the target package's resources on 4975 // the ResolveInfo, not the ActivityInfo. 4976 final String intentPackage = intent.getPackage(); 4977 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 4978 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 4979 ri.resolvePackageName = intentPackage; 4980 if (userNeedsBadging(userId)) { 4981 ri.noResourceId = true; 4982 } else { 4983 ri.icon = appi.icon; 4984 } 4985 ri.iconResourceId = appi.icon; 4986 ri.labelRes = appi.labelRes; 4987 } 4988 ri.activityInfo.applicationInfo = new ApplicationInfo( 4989 ri.activityInfo.applicationInfo); 4990 if (userId != 0) { 4991 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4992 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4993 } 4994 // Make sure that the resolver is displayable in car mode 4995 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4996 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4997 return ri; 4998 } 4999 } 5000 return null; 5001 } 5002 5003 /** 5004 * Return true if the given list is not empty and all of its contents have 5005 * an activityInfo with the given package name. 5006 */ 5007 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5008 if (ArrayUtils.isEmpty(list)) { 5009 return false; 5010 } 5011 for (int i = 0, N = list.size(); i < N; i++) { 5012 final ResolveInfo ri = list.get(i); 5013 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5014 if (ai == null || !packageName.equals(ai.packageName)) { 5015 return false; 5016 } 5017 } 5018 return true; 5019 } 5020 5021 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5022 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5023 final int N = query.size(); 5024 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5025 .get(userId); 5026 // Get the list of persistent preferred activities that handle the intent 5027 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5028 List<PersistentPreferredActivity> pprefs = ppir != null 5029 ? ppir.queryIntent(intent, resolvedType, 5030 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5031 : null; 5032 if (pprefs != null && pprefs.size() > 0) { 5033 final int M = pprefs.size(); 5034 for (int i=0; i<M; i++) { 5035 final PersistentPreferredActivity ppa = pprefs.get(i); 5036 if (DEBUG_PREFERRED || debug) { 5037 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5038 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5039 + "\n component=" + ppa.mComponent); 5040 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5041 } 5042 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5043 flags | MATCH_DISABLED_COMPONENTS, userId); 5044 if (DEBUG_PREFERRED || debug) { 5045 Slog.v(TAG, "Found persistent preferred activity:"); 5046 if (ai != null) { 5047 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5048 } else { 5049 Slog.v(TAG, " null"); 5050 } 5051 } 5052 if (ai == null) { 5053 // This previously registered persistent preferred activity 5054 // component is no longer known. Ignore it and do NOT remove it. 5055 continue; 5056 } 5057 for (int j=0; j<N; j++) { 5058 final ResolveInfo ri = query.get(j); 5059 if (!ri.activityInfo.applicationInfo.packageName 5060 .equals(ai.applicationInfo.packageName)) { 5061 continue; 5062 } 5063 if (!ri.activityInfo.name.equals(ai.name)) { 5064 continue; 5065 } 5066 // Found a persistent preference that can handle the intent. 5067 if (DEBUG_PREFERRED || debug) { 5068 Slog.v(TAG, "Returning persistent preferred activity: " + 5069 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5070 } 5071 return ri; 5072 } 5073 } 5074 } 5075 return null; 5076 } 5077 5078 // TODO: handle preferred activities missing while user has amnesia 5079 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5080 List<ResolveInfo> query, int priority, boolean always, 5081 boolean removeMatches, boolean debug, int userId) { 5082 if (!sUserManager.exists(userId)) return null; 5083 flags = updateFlagsForResolve(flags, userId, intent); 5084 // writer 5085 synchronized (mPackages) { 5086 if (intent.getSelector() != null) { 5087 intent = intent.getSelector(); 5088 } 5089 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5090 5091 // Try to find a matching persistent preferred activity. 5092 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5093 debug, userId); 5094 5095 // If a persistent preferred activity matched, use it. 5096 if (pri != null) { 5097 return pri; 5098 } 5099 5100 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5101 // Get the list of preferred activities that handle the intent 5102 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5103 List<PreferredActivity> prefs = pir != null 5104 ? pir.queryIntent(intent, resolvedType, 5105 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5106 : null; 5107 if (prefs != null && prefs.size() > 0) { 5108 boolean changed = false; 5109 try { 5110 // First figure out how good the original match set is. 5111 // We will only allow preferred activities that came 5112 // from the same match quality. 5113 int match = 0; 5114 5115 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5116 5117 final int N = query.size(); 5118 for (int j=0; j<N; j++) { 5119 final ResolveInfo ri = query.get(j); 5120 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5121 + ": 0x" + Integer.toHexString(match)); 5122 if (ri.match > match) { 5123 match = ri.match; 5124 } 5125 } 5126 5127 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5128 + Integer.toHexString(match)); 5129 5130 match &= IntentFilter.MATCH_CATEGORY_MASK; 5131 final int M = prefs.size(); 5132 for (int i=0; i<M; i++) { 5133 final PreferredActivity pa = prefs.get(i); 5134 if (DEBUG_PREFERRED || debug) { 5135 Slog.v(TAG, "Checking PreferredActivity ds=" 5136 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5137 + "\n component=" + pa.mPref.mComponent); 5138 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5139 } 5140 if (pa.mPref.mMatch != match) { 5141 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5142 + Integer.toHexString(pa.mPref.mMatch)); 5143 continue; 5144 } 5145 // If it's not an "always" type preferred activity and that's what we're 5146 // looking for, skip it. 5147 if (always && !pa.mPref.mAlways) { 5148 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5149 continue; 5150 } 5151 final ActivityInfo ai = getActivityInfo( 5152 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5153 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5154 userId); 5155 if (DEBUG_PREFERRED || debug) { 5156 Slog.v(TAG, "Found preferred activity:"); 5157 if (ai != null) { 5158 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5159 } else { 5160 Slog.v(TAG, " null"); 5161 } 5162 } 5163 if (ai == null) { 5164 // This previously registered preferred activity 5165 // component is no longer known. Most likely an update 5166 // to the app was installed and in the new version this 5167 // component no longer exists. Clean it up by removing 5168 // it from the preferred activities list, and skip it. 5169 Slog.w(TAG, "Removing dangling preferred activity: " 5170 + pa.mPref.mComponent); 5171 pir.removeFilter(pa); 5172 changed = true; 5173 continue; 5174 } 5175 for (int j=0; j<N; j++) { 5176 final ResolveInfo ri = query.get(j); 5177 if (!ri.activityInfo.applicationInfo.packageName 5178 .equals(ai.applicationInfo.packageName)) { 5179 continue; 5180 } 5181 if (!ri.activityInfo.name.equals(ai.name)) { 5182 continue; 5183 } 5184 5185 if (removeMatches) { 5186 pir.removeFilter(pa); 5187 changed = true; 5188 if (DEBUG_PREFERRED) { 5189 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5190 } 5191 break; 5192 } 5193 5194 // Okay we found a previously set preferred or last chosen app. 5195 // If the result set is different from when this 5196 // was created, we need to clear it and re-ask the 5197 // user their preference, if we're looking for an "always" type entry. 5198 if (always && !pa.mPref.sameSet(query)) { 5199 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5200 + intent + " type " + resolvedType); 5201 if (DEBUG_PREFERRED) { 5202 Slog.v(TAG, "Removing preferred activity since set changed " 5203 + pa.mPref.mComponent); 5204 } 5205 pir.removeFilter(pa); 5206 // Re-add the filter as a "last chosen" entry (!always) 5207 PreferredActivity lastChosen = new PreferredActivity( 5208 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5209 pir.addFilter(lastChosen); 5210 changed = true; 5211 return null; 5212 } 5213 5214 // Yay! Either the set matched or we're looking for the last chosen 5215 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5216 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5217 return ri; 5218 } 5219 } 5220 } finally { 5221 if (changed) { 5222 if (DEBUG_PREFERRED) { 5223 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5224 } 5225 scheduleWritePackageRestrictionsLocked(userId); 5226 } 5227 } 5228 } 5229 } 5230 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5231 return null; 5232 } 5233 5234 /* 5235 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5236 */ 5237 @Override 5238 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5239 int targetUserId) { 5240 mContext.enforceCallingOrSelfPermission( 5241 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5242 List<CrossProfileIntentFilter> matches = 5243 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5244 if (matches != null) { 5245 int size = matches.size(); 5246 for (int i = 0; i < size; i++) { 5247 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5248 } 5249 } 5250 if (hasWebURI(intent)) { 5251 // cross-profile app linking works only towards the parent. 5252 final UserInfo parent = getProfileParent(sourceUserId); 5253 synchronized(mPackages) { 5254 int flags = updateFlagsForResolve(0, parent.id, intent); 5255 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5256 intent, resolvedType, flags, sourceUserId, parent.id); 5257 return xpDomainInfo != null; 5258 } 5259 } 5260 return false; 5261 } 5262 5263 private UserInfo getProfileParent(int userId) { 5264 final long identity = Binder.clearCallingIdentity(); 5265 try { 5266 return sUserManager.getProfileParent(userId); 5267 } finally { 5268 Binder.restoreCallingIdentity(identity); 5269 } 5270 } 5271 5272 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5273 String resolvedType, int userId) { 5274 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5275 if (resolver != null) { 5276 return resolver.queryIntent(intent, resolvedType, false, userId); 5277 } 5278 return null; 5279 } 5280 5281 @Override 5282 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5283 String resolvedType, int flags, int userId) { 5284 try { 5285 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5286 5287 return new ParceledListSlice<>( 5288 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5289 } finally { 5290 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5291 } 5292 } 5293 5294 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5295 String resolvedType, int flags, int userId) { 5296 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5297 flags = updateFlagsForResolve(flags, userId, intent); 5298 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5299 false /* requireFullPermission */, false /* checkShell */, 5300 "query intent activities"); 5301 ComponentName comp = intent.getComponent(); 5302 if (comp == null) { 5303 if (intent.getSelector() != null) { 5304 intent = intent.getSelector(); 5305 comp = intent.getComponent(); 5306 } 5307 } 5308 5309 if (comp != null) { 5310 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5311 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5312 if (ai != null) { 5313 final ResolveInfo ri = new ResolveInfo(); 5314 ri.activityInfo = ai; 5315 list.add(ri); 5316 } 5317 return list; 5318 } 5319 5320 // reader 5321 boolean sortResult = false; 5322 boolean addEphemeral = false; 5323 boolean matchEphemeralPackage = false; 5324 List<ResolveInfo> result; 5325 final String pkgName = intent.getPackage(); 5326 synchronized (mPackages) { 5327 if (pkgName == null) { 5328 List<CrossProfileIntentFilter> matchingFilters = 5329 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5330 // Check for results that need to skip the current profile. 5331 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5332 resolvedType, flags, userId); 5333 if (xpResolveInfo != null) { 5334 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5335 xpResult.add(xpResolveInfo); 5336 return filterIfNotSystemUser(xpResult, userId); 5337 } 5338 5339 // Check for results in the current profile. 5340 result = filterIfNotSystemUser(mActivities.queryIntent( 5341 intent, resolvedType, flags, userId), userId); 5342 addEphemeral = 5343 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5344 5345 // Check for cross profile results. 5346 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5347 xpResolveInfo = queryCrossProfileIntents( 5348 matchingFilters, intent, resolvedType, flags, userId, 5349 hasNonNegativePriorityResult); 5350 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5351 boolean isVisibleToUser = filterIfNotSystemUser( 5352 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5353 if (isVisibleToUser) { 5354 result.add(xpResolveInfo); 5355 sortResult = true; 5356 } 5357 } 5358 if (hasWebURI(intent)) { 5359 CrossProfileDomainInfo xpDomainInfo = null; 5360 final UserInfo parent = getProfileParent(userId); 5361 if (parent != null) { 5362 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5363 flags, userId, parent.id); 5364 } 5365 if (xpDomainInfo != null) { 5366 if (xpResolveInfo != null) { 5367 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5368 // in the result. 5369 result.remove(xpResolveInfo); 5370 } 5371 if (result.size() == 0 && !addEphemeral) { 5372 result.add(xpDomainInfo.resolveInfo); 5373 return result; 5374 } 5375 } 5376 if (result.size() > 1 || addEphemeral) { 5377 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5378 intent, flags, result, xpDomainInfo, userId); 5379 sortResult = true; 5380 } 5381 } 5382 } else { 5383 final PackageParser.Package pkg = mPackages.get(pkgName); 5384 if (pkg != null) { 5385 result = filterIfNotSystemUser( 5386 mActivities.queryIntentForPackage( 5387 intent, resolvedType, flags, pkg.activities, userId), 5388 userId); 5389 } else { 5390 // the caller wants to resolve for a particular package; however, there 5391 // were no installed results, so, try to find an ephemeral result 5392 addEphemeral = isEphemeralAllowed( 5393 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5394 matchEphemeralPackage = true; 5395 result = new ArrayList<ResolveInfo>(); 5396 } 5397 } 5398 } 5399 if (addEphemeral) { 5400 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5401 final EphemeralResolveInfo ai = getEphemeralResolveInfo( 5402 mContext, mEphemeralResolverConnection, intent, resolvedType, userId, 5403 matchEphemeralPackage ? pkgName : null); 5404 if (ai != null) { 5405 if (DEBUG_EPHEMERAL) { 5406 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5407 } 5408 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5409 ephemeralInstaller.ephemeralResolveInfo = ai; 5410 // make sure this resolver is the default 5411 ephemeralInstaller.isDefault = true; 5412 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5413 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5414 // add a non-generic filter 5415 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5416 ephemeralInstaller.filter.addDataPath( 5417 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5418 result.add(ephemeralInstaller); 5419 } 5420 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5421 } 5422 if (sortResult) { 5423 Collections.sort(result, mResolvePrioritySorter); 5424 } 5425 return result; 5426 } 5427 5428 private static class CrossProfileDomainInfo { 5429 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5430 ResolveInfo resolveInfo; 5431 /* Best domain verification status of the activities found in the other profile */ 5432 int bestDomainVerificationStatus; 5433 } 5434 5435 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5436 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5437 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5438 sourceUserId)) { 5439 return null; 5440 } 5441 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5442 resolvedType, flags, parentUserId); 5443 5444 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5445 return null; 5446 } 5447 CrossProfileDomainInfo result = null; 5448 int size = resultTargetUser.size(); 5449 for (int i = 0; i < size; i++) { 5450 ResolveInfo riTargetUser = resultTargetUser.get(i); 5451 // Intent filter verification is only for filters that specify a host. So don't return 5452 // those that handle all web uris. 5453 if (riTargetUser.handleAllWebDataURI) { 5454 continue; 5455 } 5456 String packageName = riTargetUser.activityInfo.packageName; 5457 PackageSetting ps = mSettings.mPackages.get(packageName); 5458 if (ps == null) { 5459 continue; 5460 } 5461 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5462 int status = (int)(verificationState >> 32); 5463 if (result == null) { 5464 result = new CrossProfileDomainInfo(); 5465 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5466 sourceUserId, parentUserId); 5467 result.bestDomainVerificationStatus = status; 5468 } else { 5469 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5470 result.bestDomainVerificationStatus); 5471 } 5472 } 5473 // Don't consider matches with status NEVER across profiles. 5474 if (result != null && result.bestDomainVerificationStatus 5475 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5476 return null; 5477 } 5478 return result; 5479 } 5480 5481 /** 5482 * Verification statuses are ordered from the worse to the best, except for 5483 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5484 */ 5485 private int bestDomainVerificationStatus(int status1, int status2) { 5486 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5487 return status2; 5488 } 5489 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5490 return status1; 5491 } 5492 return (int) MathUtils.max(status1, status2); 5493 } 5494 5495 private boolean isUserEnabled(int userId) { 5496 long callingId = Binder.clearCallingIdentity(); 5497 try { 5498 UserInfo userInfo = sUserManager.getUserInfo(userId); 5499 return userInfo != null && userInfo.isEnabled(); 5500 } finally { 5501 Binder.restoreCallingIdentity(callingId); 5502 } 5503 } 5504 5505 /** 5506 * Filter out activities with systemUserOnly flag set, when current user is not System. 5507 * 5508 * @return filtered list 5509 */ 5510 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5511 if (userId == UserHandle.USER_SYSTEM) { 5512 return resolveInfos; 5513 } 5514 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5515 ResolveInfo info = resolveInfos.get(i); 5516 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5517 resolveInfos.remove(i); 5518 } 5519 } 5520 return resolveInfos; 5521 } 5522 5523 /** 5524 * @param resolveInfos list of resolve infos in descending priority order 5525 * @return if the list contains a resolve info with non-negative priority 5526 */ 5527 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5528 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5529 } 5530 5531 private static boolean hasWebURI(Intent intent) { 5532 if (intent.getData() == null) { 5533 return false; 5534 } 5535 final String scheme = intent.getScheme(); 5536 if (TextUtils.isEmpty(scheme)) { 5537 return false; 5538 } 5539 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5540 } 5541 5542 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5543 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5544 int userId) { 5545 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5546 5547 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5548 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5549 candidates.size()); 5550 } 5551 5552 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5553 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5554 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5555 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5556 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5557 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5558 5559 synchronized (mPackages) { 5560 final int count = candidates.size(); 5561 // First, try to use linked apps. Partition the candidates into four lists: 5562 // one for the final results, one for the "do not use ever", one for "undefined status" 5563 // and finally one for "browser app type". 5564 for (int n=0; n<count; n++) { 5565 ResolveInfo info = candidates.get(n); 5566 String packageName = info.activityInfo.packageName; 5567 PackageSetting ps = mSettings.mPackages.get(packageName); 5568 if (ps != null) { 5569 // Add to the special match all list (Browser use case) 5570 if (info.handleAllWebDataURI) { 5571 matchAllList.add(info); 5572 continue; 5573 } 5574 // Try to get the status from User settings first 5575 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5576 int status = (int)(packedStatus >> 32); 5577 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5578 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5579 if (DEBUG_DOMAIN_VERIFICATION) { 5580 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5581 + " : linkgen=" + linkGeneration); 5582 } 5583 // Use link-enabled generation as preferredOrder, i.e. 5584 // prefer newly-enabled over earlier-enabled. 5585 info.preferredOrder = linkGeneration; 5586 alwaysList.add(info); 5587 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5588 if (DEBUG_DOMAIN_VERIFICATION) { 5589 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5590 } 5591 neverList.add(info); 5592 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5593 if (DEBUG_DOMAIN_VERIFICATION) { 5594 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5595 } 5596 alwaysAskList.add(info); 5597 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5598 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5599 if (DEBUG_DOMAIN_VERIFICATION) { 5600 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5601 } 5602 undefinedList.add(info); 5603 } 5604 } 5605 } 5606 5607 // We'll want to include browser possibilities in a few cases 5608 boolean includeBrowser = false; 5609 5610 // First try to add the "always" resolution(s) for the current user, if any 5611 if (alwaysList.size() > 0) { 5612 result.addAll(alwaysList); 5613 } else { 5614 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5615 result.addAll(undefinedList); 5616 // Maybe add one for the other profile. 5617 if (xpDomainInfo != null && ( 5618 xpDomainInfo.bestDomainVerificationStatus 5619 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5620 result.add(xpDomainInfo.resolveInfo); 5621 } 5622 includeBrowser = true; 5623 } 5624 5625 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5626 // If there were 'always' entries their preferred order has been set, so we also 5627 // back that off to make the alternatives equivalent 5628 if (alwaysAskList.size() > 0) { 5629 for (ResolveInfo i : result) { 5630 i.preferredOrder = 0; 5631 } 5632 result.addAll(alwaysAskList); 5633 includeBrowser = true; 5634 } 5635 5636 if (includeBrowser) { 5637 // Also add browsers (all of them or only the default one) 5638 if (DEBUG_DOMAIN_VERIFICATION) { 5639 Slog.v(TAG, " ...including browsers in candidate set"); 5640 } 5641 if ((matchFlags & MATCH_ALL) != 0) { 5642 result.addAll(matchAllList); 5643 } else { 5644 // Browser/generic handling case. If there's a default browser, go straight 5645 // to that (but only if there is no other higher-priority match). 5646 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5647 int maxMatchPrio = 0; 5648 ResolveInfo defaultBrowserMatch = null; 5649 final int numCandidates = matchAllList.size(); 5650 for (int n = 0; n < numCandidates; n++) { 5651 ResolveInfo info = matchAllList.get(n); 5652 // track the highest overall match priority... 5653 if (info.priority > maxMatchPrio) { 5654 maxMatchPrio = info.priority; 5655 } 5656 // ...and the highest-priority default browser match 5657 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5658 if (defaultBrowserMatch == null 5659 || (defaultBrowserMatch.priority < info.priority)) { 5660 if (debug) { 5661 Slog.v(TAG, "Considering default browser match " + info); 5662 } 5663 defaultBrowserMatch = info; 5664 } 5665 } 5666 } 5667 if (defaultBrowserMatch != null 5668 && defaultBrowserMatch.priority >= maxMatchPrio 5669 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5670 { 5671 if (debug) { 5672 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5673 } 5674 result.add(defaultBrowserMatch); 5675 } else { 5676 result.addAll(matchAllList); 5677 } 5678 } 5679 5680 // If there is nothing selected, add all candidates and remove the ones that the user 5681 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5682 if (result.size() == 0) { 5683 result.addAll(candidates); 5684 result.removeAll(neverList); 5685 } 5686 } 5687 } 5688 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5689 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5690 result.size()); 5691 for (ResolveInfo info : result) { 5692 Slog.v(TAG, " + " + info.activityInfo); 5693 } 5694 } 5695 return result; 5696 } 5697 5698 // Returns a packed value as a long: 5699 // 5700 // high 'int'-sized word: link status: undefined/ask/never/always. 5701 // low 'int'-sized word: relative priority among 'always' results. 5702 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5703 long result = ps.getDomainVerificationStatusForUser(userId); 5704 // if none available, get the master status 5705 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5706 if (ps.getIntentFilterVerificationInfo() != null) { 5707 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5708 } 5709 } 5710 return result; 5711 } 5712 5713 private ResolveInfo querySkipCurrentProfileIntents( 5714 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5715 int flags, int sourceUserId) { 5716 if (matchingFilters != null) { 5717 int size = matchingFilters.size(); 5718 for (int i = 0; i < size; i ++) { 5719 CrossProfileIntentFilter filter = matchingFilters.get(i); 5720 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5721 // Checking if there are activities in the target user that can handle the 5722 // intent. 5723 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5724 resolvedType, flags, sourceUserId); 5725 if (resolveInfo != null) { 5726 return resolveInfo; 5727 } 5728 } 5729 } 5730 } 5731 return null; 5732 } 5733 5734 // Return matching ResolveInfo in target user if any. 5735 private ResolveInfo queryCrossProfileIntents( 5736 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5737 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5738 if (matchingFilters != null) { 5739 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5740 // match the same intent. For performance reasons, it is better not to 5741 // run queryIntent twice for the same userId 5742 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5743 int size = matchingFilters.size(); 5744 for (int i = 0; i < size; i++) { 5745 CrossProfileIntentFilter filter = matchingFilters.get(i); 5746 int targetUserId = filter.getTargetUserId(); 5747 boolean skipCurrentProfile = 5748 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5749 boolean skipCurrentProfileIfNoMatchFound = 5750 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5751 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5752 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5753 // Checking if there are activities in the target user that can handle the 5754 // intent. 5755 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5756 resolvedType, flags, sourceUserId); 5757 if (resolveInfo != null) return resolveInfo; 5758 alreadyTriedUserIds.put(targetUserId, true); 5759 } 5760 } 5761 } 5762 return null; 5763 } 5764 5765 /** 5766 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5767 * will forward the intent to the filter's target user. 5768 * Otherwise, returns null. 5769 */ 5770 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5771 String resolvedType, int flags, int sourceUserId) { 5772 int targetUserId = filter.getTargetUserId(); 5773 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5774 resolvedType, flags, targetUserId); 5775 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5776 // If all the matches in the target profile are suspended, return null. 5777 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5778 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5779 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5780 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5781 targetUserId); 5782 } 5783 } 5784 } 5785 return null; 5786 } 5787 5788 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5789 int sourceUserId, int targetUserId) { 5790 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5791 long ident = Binder.clearCallingIdentity(); 5792 boolean targetIsProfile; 5793 try { 5794 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5795 } finally { 5796 Binder.restoreCallingIdentity(ident); 5797 } 5798 String className; 5799 if (targetIsProfile) { 5800 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5801 } else { 5802 className = FORWARD_INTENT_TO_PARENT; 5803 } 5804 ComponentName forwardingActivityComponentName = new ComponentName( 5805 mAndroidApplication.packageName, className); 5806 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5807 sourceUserId); 5808 if (!targetIsProfile) { 5809 forwardingActivityInfo.showUserIcon = targetUserId; 5810 forwardingResolveInfo.noResourceId = true; 5811 } 5812 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5813 forwardingResolveInfo.priority = 0; 5814 forwardingResolveInfo.preferredOrder = 0; 5815 forwardingResolveInfo.match = 0; 5816 forwardingResolveInfo.isDefault = true; 5817 forwardingResolveInfo.filter = filter; 5818 forwardingResolveInfo.targetUserId = targetUserId; 5819 return forwardingResolveInfo; 5820 } 5821 5822 @Override 5823 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5824 Intent[] specifics, String[] specificTypes, Intent intent, 5825 String resolvedType, int flags, int userId) { 5826 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5827 specificTypes, intent, resolvedType, flags, userId)); 5828 } 5829 5830 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5831 Intent[] specifics, String[] specificTypes, Intent intent, 5832 String resolvedType, int flags, int userId) { 5833 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5834 flags = updateFlagsForResolve(flags, userId, intent); 5835 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5836 false /* requireFullPermission */, false /* checkShell */, 5837 "query intent activity options"); 5838 final String resultsAction = intent.getAction(); 5839 5840 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5841 | PackageManager.GET_RESOLVED_FILTER, userId); 5842 5843 if (DEBUG_INTENT_MATCHING) { 5844 Log.v(TAG, "Query " + intent + ": " + results); 5845 } 5846 5847 int specificsPos = 0; 5848 int N; 5849 5850 // todo: note that the algorithm used here is O(N^2). This 5851 // isn't a problem in our current environment, but if we start running 5852 // into situations where we have more than 5 or 10 matches then this 5853 // should probably be changed to something smarter... 5854 5855 // First we go through and resolve each of the specific items 5856 // that were supplied, taking care of removing any corresponding 5857 // duplicate items in the generic resolve list. 5858 if (specifics != null) { 5859 for (int i=0; i<specifics.length; i++) { 5860 final Intent sintent = specifics[i]; 5861 if (sintent == null) { 5862 continue; 5863 } 5864 5865 if (DEBUG_INTENT_MATCHING) { 5866 Log.v(TAG, "Specific #" + i + ": " + sintent); 5867 } 5868 5869 String action = sintent.getAction(); 5870 if (resultsAction != null && resultsAction.equals(action)) { 5871 // If this action was explicitly requested, then don't 5872 // remove things that have it. 5873 action = null; 5874 } 5875 5876 ResolveInfo ri = null; 5877 ActivityInfo ai = null; 5878 5879 ComponentName comp = sintent.getComponent(); 5880 if (comp == null) { 5881 ri = resolveIntent( 5882 sintent, 5883 specificTypes != null ? specificTypes[i] : null, 5884 flags, userId); 5885 if (ri == null) { 5886 continue; 5887 } 5888 if (ri == mResolveInfo) { 5889 // ACK! Must do something better with this. 5890 } 5891 ai = ri.activityInfo; 5892 comp = new ComponentName(ai.applicationInfo.packageName, 5893 ai.name); 5894 } else { 5895 ai = getActivityInfo(comp, flags, userId); 5896 if (ai == null) { 5897 continue; 5898 } 5899 } 5900 5901 // Look for any generic query activities that are duplicates 5902 // of this specific one, and remove them from the results. 5903 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5904 N = results.size(); 5905 int j; 5906 for (j=specificsPos; j<N; j++) { 5907 ResolveInfo sri = results.get(j); 5908 if ((sri.activityInfo.name.equals(comp.getClassName()) 5909 && sri.activityInfo.applicationInfo.packageName.equals( 5910 comp.getPackageName())) 5911 || (action != null && sri.filter.matchAction(action))) { 5912 results.remove(j); 5913 if (DEBUG_INTENT_MATCHING) Log.v( 5914 TAG, "Removing duplicate item from " + j 5915 + " due to specific " + specificsPos); 5916 if (ri == null) { 5917 ri = sri; 5918 } 5919 j--; 5920 N--; 5921 } 5922 } 5923 5924 // Add this specific item to its proper place. 5925 if (ri == null) { 5926 ri = new ResolveInfo(); 5927 ri.activityInfo = ai; 5928 } 5929 results.add(specificsPos, ri); 5930 ri.specificIndex = i; 5931 specificsPos++; 5932 } 5933 } 5934 5935 // Now we go through the remaining generic results and remove any 5936 // duplicate actions that are found here. 5937 N = results.size(); 5938 for (int i=specificsPos; i<N-1; i++) { 5939 final ResolveInfo rii = results.get(i); 5940 if (rii.filter == null) { 5941 continue; 5942 } 5943 5944 // Iterate over all of the actions of this result's intent 5945 // filter... typically this should be just one. 5946 final Iterator<String> it = rii.filter.actionsIterator(); 5947 if (it == null) { 5948 continue; 5949 } 5950 while (it.hasNext()) { 5951 final String action = it.next(); 5952 if (resultsAction != null && resultsAction.equals(action)) { 5953 // If this action was explicitly requested, then don't 5954 // remove things that have it. 5955 continue; 5956 } 5957 for (int j=i+1; j<N; j++) { 5958 final ResolveInfo rij = results.get(j); 5959 if (rij.filter != null && rij.filter.hasAction(action)) { 5960 results.remove(j); 5961 if (DEBUG_INTENT_MATCHING) Log.v( 5962 TAG, "Removing duplicate item from " + j 5963 + " due to action " + action + " at " + i); 5964 j--; 5965 N--; 5966 } 5967 } 5968 } 5969 5970 // If the caller didn't request filter information, drop it now 5971 // so we don't have to marshall/unmarshall it. 5972 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5973 rii.filter = null; 5974 } 5975 } 5976 5977 // Filter out the caller activity if so requested. 5978 if (caller != null) { 5979 N = results.size(); 5980 for (int i=0; i<N; i++) { 5981 ActivityInfo ainfo = results.get(i).activityInfo; 5982 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5983 && caller.getClassName().equals(ainfo.name)) { 5984 results.remove(i); 5985 break; 5986 } 5987 } 5988 } 5989 5990 // If the caller didn't request filter information, 5991 // drop them now so we don't have to 5992 // marshall/unmarshall it. 5993 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5994 N = results.size(); 5995 for (int i=0; i<N; i++) { 5996 results.get(i).filter = null; 5997 } 5998 } 5999 6000 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6001 return results; 6002 } 6003 6004 @Override 6005 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6006 String resolvedType, int flags, int userId) { 6007 return new ParceledListSlice<>( 6008 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6009 } 6010 6011 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6012 String resolvedType, int flags, int userId) { 6013 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6014 flags = updateFlagsForResolve(flags, userId, intent); 6015 ComponentName comp = intent.getComponent(); 6016 if (comp == null) { 6017 if (intent.getSelector() != null) { 6018 intent = intent.getSelector(); 6019 comp = intent.getComponent(); 6020 } 6021 } 6022 if (comp != null) { 6023 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6024 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6025 if (ai != null) { 6026 ResolveInfo ri = new ResolveInfo(); 6027 ri.activityInfo = ai; 6028 list.add(ri); 6029 } 6030 return list; 6031 } 6032 6033 // reader 6034 synchronized (mPackages) { 6035 String pkgName = intent.getPackage(); 6036 if (pkgName == null) { 6037 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6038 } 6039 final PackageParser.Package pkg = mPackages.get(pkgName); 6040 if (pkg != null) { 6041 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6042 userId); 6043 } 6044 return Collections.emptyList(); 6045 } 6046 } 6047 6048 @Override 6049 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6050 if (!sUserManager.exists(userId)) return null; 6051 flags = updateFlagsForResolve(flags, userId, intent); 6052 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6053 if (query != null) { 6054 if (query.size() >= 1) { 6055 // If there is more than one service with the same priority, 6056 // just arbitrarily pick the first one. 6057 return query.get(0); 6058 } 6059 } 6060 return null; 6061 } 6062 6063 @Override 6064 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6065 String resolvedType, int flags, int userId) { 6066 return new ParceledListSlice<>( 6067 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6068 } 6069 6070 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6071 String resolvedType, int flags, int userId) { 6072 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6073 flags = updateFlagsForResolve(flags, userId, intent); 6074 ComponentName comp = intent.getComponent(); 6075 if (comp == null) { 6076 if (intent.getSelector() != null) { 6077 intent = intent.getSelector(); 6078 comp = intent.getComponent(); 6079 } 6080 } 6081 if (comp != null) { 6082 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6083 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6084 if (si != null) { 6085 final ResolveInfo ri = new ResolveInfo(); 6086 ri.serviceInfo = si; 6087 list.add(ri); 6088 } 6089 return list; 6090 } 6091 6092 // reader 6093 synchronized (mPackages) { 6094 String pkgName = intent.getPackage(); 6095 if (pkgName == null) { 6096 return mServices.queryIntent(intent, resolvedType, flags, userId); 6097 } 6098 final PackageParser.Package pkg = mPackages.get(pkgName); 6099 if (pkg != null) { 6100 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6101 userId); 6102 } 6103 return Collections.emptyList(); 6104 } 6105 } 6106 6107 @Override 6108 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6109 String resolvedType, int flags, int userId) { 6110 return new ParceledListSlice<>( 6111 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6112 } 6113 6114 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6115 Intent intent, String resolvedType, int flags, int userId) { 6116 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6117 flags = updateFlagsForResolve(flags, userId, intent); 6118 ComponentName comp = intent.getComponent(); 6119 if (comp == null) { 6120 if (intent.getSelector() != null) { 6121 intent = intent.getSelector(); 6122 comp = intent.getComponent(); 6123 } 6124 } 6125 if (comp != null) { 6126 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6127 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6128 if (pi != null) { 6129 final ResolveInfo ri = new ResolveInfo(); 6130 ri.providerInfo = pi; 6131 list.add(ri); 6132 } 6133 return list; 6134 } 6135 6136 // reader 6137 synchronized (mPackages) { 6138 String pkgName = intent.getPackage(); 6139 if (pkgName == null) { 6140 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6141 } 6142 final PackageParser.Package pkg = mPackages.get(pkgName); 6143 if (pkg != null) { 6144 return mProviders.queryIntentForPackage( 6145 intent, resolvedType, flags, pkg.providers, userId); 6146 } 6147 return Collections.emptyList(); 6148 } 6149 } 6150 6151 @Override 6152 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6153 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6154 flags = updateFlagsForPackage(flags, userId, null); 6155 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6156 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6157 true /* requireFullPermission */, false /* checkShell */, 6158 "get installed packages"); 6159 6160 // writer 6161 synchronized (mPackages) { 6162 ArrayList<PackageInfo> list; 6163 if (listUninstalled) { 6164 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6165 for (PackageSetting ps : mSettings.mPackages.values()) { 6166 final PackageInfo pi; 6167 if (ps.pkg != null) { 6168 pi = generatePackageInfo(ps, flags, userId); 6169 } else { 6170 pi = generatePackageInfo(ps, flags, userId); 6171 } 6172 if (pi != null) { 6173 list.add(pi); 6174 } 6175 } 6176 } else { 6177 list = new ArrayList<PackageInfo>(mPackages.size()); 6178 for (PackageParser.Package p : mPackages.values()) { 6179 final PackageInfo pi = 6180 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6181 if (pi != null) { 6182 list.add(pi); 6183 } 6184 } 6185 } 6186 6187 return new ParceledListSlice<PackageInfo>(list); 6188 } 6189 } 6190 6191 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6192 String[] permissions, boolean[] tmp, int flags, int userId) { 6193 int numMatch = 0; 6194 final PermissionsState permissionsState = ps.getPermissionsState(); 6195 for (int i=0; i<permissions.length; i++) { 6196 final String permission = permissions[i]; 6197 if (permissionsState.hasPermission(permission, userId)) { 6198 tmp[i] = true; 6199 numMatch++; 6200 } else { 6201 tmp[i] = false; 6202 } 6203 } 6204 if (numMatch == 0) { 6205 return; 6206 } 6207 final PackageInfo pi; 6208 if (ps.pkg != null) { 6209 pi = generatePackageInfo(ps, flags, userId); 6210 } else { 6211 pi = generatePackageInfo(ps, flags, userId); 6212 } 6213 // The above might return null in cases of uninstalled apps or install-state 6214 // skew across users/profiles. 6215 if (pi != null) { 6216 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6217 if (numMatch == permissions.length) { 6218 pi.requestedPermissions = permissions; 6219 } else { 6220 pi.requestedPermissions = new String[numMatch]; 6221 numMatch = 0; 6222 for (int i=0; i<permissions.length; i++) { 6223 if (tmp[i]) { 6224 pi.requestedPermissions[numMatch] = permissions[i]; 6225 numMatch++; 6226 } 6227 } 6228 } 6229 } 6230 list.add(pi); 6231 } 6232 } 6233 6234 @Override 6235 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6236 String[] permissions, int flags, int userId) { 6237 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6238 flags = updateFlagsForPackage(flags, userId, permissions); 6239 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6240 6241 // writer 6242 synchronized (mPackages) { 6243 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6244 boolean[] tmpBools = new boolean[permissions.length]; 6245 if (listUninstalled) { 6246 for (PackageSetting ps : mSettings.mPackages.values()) { 6247 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6248 } 6249 } else { 6250 for (PackageParser.Package pkg : mPackages.values()) { 6251 PackageSetting ps = (PackageSetting)pkg.mExtras; 6252 if (ps != null) { 6253 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6254 userId); 6255 } 6256 } 6257 } 6258 6259 return new ParceledListSlice<PackageInfo>(list); 6260 } 6261 } 6262 6263 @Override 6264 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6265 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6266 flags = updateFlagsForApplication(flags, userId, null); 6267 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6268 6269 // writer 6270 synchronized (mPackages) { 6271 ArrayList<ApplicationInfo> list; 6272 if (listUninstalled) { 6273 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6274 for (PackageSetting ps : mSettings.mPackages.values()) { 6275 ApplicationInfo ai; 6276 if (ps.pkg != null) { 6277 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6278 ps.readUserState(userId), userId); 6279 } else { 6280 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6281 } 6282 if (ai != null) { 6283 list.add(ai); 6284 } 6285 } 6286 } else { 6287 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6288 for (PackageParser.Package p : mPackages.values()) { 6289 if (p.mExtras != null) { 6290 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6291 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6292 if (ai != null) { 6293 list.add(ai); 6294 } 6295 } 6296 } 6297 } 6298 6299 return new ParceledListSlice<ApplicationInfo>(list); 6300 } 6301 } 6302 6303 @Override 6304 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6305 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6306 return null; 6307 } 6308 6309 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6310 "getEphemeralApplications"); 6311 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6312 true /* requireFullPermission */, false /* checkShell */, 6313 "getEphemeralApplications"); 6314 synchronized (mPackages) { 6315 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6316 .getEphemeralApplicationsLPw(userId); 6317 if (ephemeralApps != null) { 6318 return new ParceledListSlice<>(ephemeralApps); 6319 } 6320 } 6321 return null; 6322 } 6323 6324 @Override 6325 public boolean isEphemeralApplication(String packageName, int userId) { 6326 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6327 true /* requireFullPermission */, false /* checkShell */, 6328 "isEphemeral"); 6329 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6330 return false; 6331 } 6332 6333 if (!isCallerSameApp(packageName)) { 6334 return false; 6335 } 6336 synchronized (mPackages) { 6337 PackageParser.Package pkg = mPackages.get(packageName); 6338 if (pkg != null) { 6339 return pkg.applicationInfo.isEphemeralApp(); 6340 } 6341 } 6342 return false; 6343 } 6344 6345 @Override 6346 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6347 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6348 return null; 6349 } 6350 6351 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6352 true /* requireFullPermission */, false /* checkShell */, 6353 "getCookie"); 6354 if (!isCallerSameApp(packageName)) { 6355 return null; 6356 } 6357 synchronized (mPackages) { 6358 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6359 packageName, userId); 6360 } 6361 } 6362 6363 @Override 6364 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6365 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6366 return true; 6367 } 6368 6369 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6370 true /* requireFullPermission */, true /* checkShell */, 6371 "setCookie"); 6372 if (!isCallerSameApp(packageName)) { 6373 return false; 6374 } 6375 synchronized (mPackages) { 6376 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6377 packageName, cookie, userId); 6378 } 6379 } 6380 6381 @Override 6382 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6383 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6384 return null; 6385 } 6386 6387 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6388 "getEphemeralApplicationIcon"); 6389 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6390 true /* requireFullPermission */, false /* checkShell */, 6391 "getEphemeralApplicationIcon"); 6392 synchronized (mPackages) { 6393 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6394 packageName, userId); 6395 } 6396 } 6397 6398 private boolean isCallerSameApp(String packageName) { 6399 PackageParser.Package pkg = mPackages.get(packageName); 6400 return pkg != null 6401 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6402 } 6403 6404 @Override 6405 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6406 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6407 } 6408 6409 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6410 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6411 6412 // reader 6413 synchronized (mPackages) { 6414 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6415 final int userId = UserHandle.getCallingUserId(); 6416 while (i.hasNext()) { 6417 final PackageParser.Package p = i.next(); 6418 if (p.applicationInfo == null) continue; 6419 6420 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6421 && !p.applicationInfo.isDirectBootAware(); 6422 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6423 && p.applicationInfo.isDirectBootAware(); 6424 6425 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6426 && (!mSafeMode || isSystemApp(p)) 6427 && (matchesUnaware || matchesAware)) { 6428 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6429 if (ps != null) { 6430 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6431 ps.readUserState(userId), userId); 6432 if (ai != null) { 6433 finalList.add(ai); 6434 } 6435 } 6436 } 6437 } 6438 } 6439 6440 return finalList; 6441 } 6442 6443 @Override 6444 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6445 if (!sUserManager.exists(userId)) return null; 6446 flags = updateFlagsForComponent(flags, userId, name); 6447 // reader 6448 synchronized (mPackages) { 6449 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6450 PackageSetting ps = provider != null 6451 ? mSettings.mPackages.get(provider.owner.packageName) 6452 : null; 6453 return ps != null 6454 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6455 ? PackageParser.generateProviderInfo(provider, flags, 6456 ps.readUserState(userId), userId) 6457 : null; 6458 } 6459 } 6460 6461 /** 6462 * @deprecated 6463 */ 6464 @Deprecated 6465 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6466 // reader 6467 synchronized (mPackages) { 6468 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6469 .entrySet().iterator(); 6470 final int userId = UserHandle.getCallingUserId(); 6471 while (i.hasNext()) { 6472 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6473 PackageParser.Provider p = entry.getValue(); 6474 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6475 6476 if (ps != null && p.syncable 6477 && (!mSafeMode || (p.info.applicationInfo.flags 6478 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6479 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6480 ps.readUserState(userId), userId); 6481 if (info != null) { 6482 outNames.add(entry.getKey()); 6483 outInfo.add(info); 6484 } 6485 } 6486 } 6487 } 6488 } 6489 6490 @Override 6491 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6492 int uid, int flags) { 6493 final int userId = processName != null ? UserHandle.getUserId(uid) 6494 : UserHandle.getCallingUserId(); 6495 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6496 flags = updateFlagsForComponent(flags, userId, processName); 6497 6498 ArrayList<ProviderInfo> finalList = null; 6499 // reader 6500 synchronized (mPackages) { 6501 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6502 while (i.hasNext()) { 6503 final PackageParser.Provider p = i.next(); 6504 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6505 if (ps != null && p.info.authority != null 6506 && (processName == null 6507 || (p.info.processName.equals(processName) 6508 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6509 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6510 if (finalList == null) { 6511 finalList = new ArrayList<ProviderInfo>(3); 6512 } 6513 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6514 ps.readUserState(userId), userId); 6515 if (info != null) { 6516 finalList.add(info); 6517 } 6518 } 6519 } 6520 } 6521 6522 if (finalList != null) { 6523 Collections.sort(finalList, mProviderInitOrderSorter); 6524 return new ParceledListSlice<ProviderInfo>(finalList); 6525 } 6526 6527 return ParceledListSlice.emptyList(); 6528 } 6529 6530 @Override 6531 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6532 // reader 6533 synchronized (mPackages) { 6534 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6535 return PackageParser.generateInstrumentationInfo(i, flags); 6536 } 6537 } 6538 6539 @Override 6540 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6541 String targetPackage, int flags) { 6542 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6543 } 6544 6545 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6546 int flags) { 6547 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6548 6549 // reader 6550 synchronized (mPackages) { 6551 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6552 while (i.hasNext()) { 6553 final PackageParser.Instrumentation p = i.next(); 6554 if (targetPackage == null 6555 || targetPackage.equals(p.info.targetPackage)) { 6556 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6557 flags); 6558 if (ii != null) { 6559 finalList.add(ii); 6560 } 6561 } 6562 } 6563 } 6564 6565 return finalList; 6566 } 6567 6568 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6569 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6570 if (overlays == null) { 6571 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6572 return; 6573 } 6574 for (PackageParser.Package opkg : overlays.values()) { 6575 // Not much to do if idmap fails: we already logged the error 6576 // and we certainly don't want to abort installation of pkg simply 6577 // because an overlay didn't fit properly. For these reasons, 6578 // ignore the return value of createIdmapForPackagePairLI. 6579 createIdmapForPackagePairLI(pkg, opkg); 6580 } 6581 } 6582 6583 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6584 PackageParser.Package opkg) { 6585 if (!opkg.mTrustedOverlay) { 6586 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6587 opkg.baseCodePath + ": overlay not trusted"); 6588 return false; 6589 } 6590 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6591 if (overlaySet == null) { 6592 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6593 opkg.baseCodePath + " but target package has no known overlays"); 6594 return false; 6595 } 6596 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6597 // TODO: generate idmap for split APKs 6598 try { 6599 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6600 } catch (InstallerException e) { 6601 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6602 + opkg.baseCodePath); 6603 return false; 6604 } 6605 PackageParser.Package[] overlayArray = 6606 overlaySet.values().toArray(new PackageParser.Package[0]); 6607 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6608 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6609 return p1.mOverlayPriority - p2.mOverlayPriority; 6610 } 6611 }; 6612 Arrays.sort(overlayArray, cmp); 6613 6614 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6615 int i = 0; 6616 for (PackageParser.Package p : overlayArray) { 6617 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6618 } 6619 return true; 6620 } 6621 6622 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6623 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 6624 try { 6625 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6626 } finally { 6627 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6628 } 6629 } 6630 6631 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6632 final File[] files = dir.listFiles(); 6633 if (ArrayUtils.isEmpty(files)) { 6634 Log.d(TAG, "No files in app dir " + dir); 6635 return; 6636 } 6637 6638 if (DEBUG_PACKAGE_SCANNING) { 6639 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6640 + " flags=0x" + Integer.toHexString(parseFlags)); 6641 } 6642 6643 for (File file : files) { 6644 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6645 && !PackageInstallerService.isStageName(file.getName()); 6646 if (!isPackage) { 6647 // Ignore entries which are not packages 6648 continue; 6649 } 6650 try { 6651 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6652 scanFlags, currentTime, null); 6653 } catch (PackageManagerException e) { 6654 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6655 6656 // Delete invalid userdata apps 6657 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6658 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6659 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6660 removeCodePathLI(file); 6661 } 6662 } 6663 } 6664 } 6665 6666 private static File getSettingsProblemFile() { 6667 File dataDir = Environment.getDataDirectory(); 6668 File systemDir = new File(dataDir, "system"); 6669 File fname = new File(systemDir, "uiderrors.txt"); 6670 return fname; 6671 } 6672 6673 static void reportSettingsProblem(int priority, String msg) { 6674 logCriticalInfo(priority, msg); 6675 } 6676 6677 static void logCriticalInfo(int priority, String msg) { 6678 Slog.println(priority, TAG, msg); 6679 EventLogTags.writePmCriticalInfo(msg); 6680 try { 6681 File fname = getSettingsProblemFile(); 6682 FileOutputStream out = new FileOutputStream(fname, true); 6683 PrintWriter pw = new FastPrintWriter(out); 6684 SimpleDateFormat formatter = new SimpleDateFormat(); 6685 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6686 pw.println(dateString + ": " + msg); 6687 pw.close(); 6688 FileUtils.setPermissions( 6689 fname.toString(), 6690 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6691 -1, -1); 6692 } catch (java.io.IOException e) { 6693 } 6694 } 6695 6696 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6697 if (srcFile.isDirectory()) { 6698 final File baseFile = new File(pkg.baseCodePath); 6699 long maxModifiedTime = baseFile.lastModified(); 6700 if (pkg.splitCodePaths != null) { 6701 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6702 final File splitFile = new File(pkg.splitCodePaths[i]); 6703 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6704 } 6705 } 6706 return maxModifiedTime; 6707 } 6708 return srcFile.lastModified(); 6709 } 6710 6711 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6712 final int policyFlags) throws PackageManagerException { 6713 // When upgrading from pre-N MR1, verify the package time stamp using the package 6714 // directory and not the APK file. 6715 final long lastModifiedTime = mIsPreNMR1Upgrade 6716 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 6717 if (ps != null 6718 && ps.codePath.equals(srcFile) 6719 && ps.timeStamp == lastModifiedTime 6720 && !isCompatSignatureUpdateNeeded(pkg) 6721 && !isRecoverSignatureUpdateNeeded(pkg)) { 6722 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6723 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6724 ArraySet<PublicKey> signingKs; 6725 synchronized (mPackages) { 6726 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6727 } 6728 if (ps.signatures.mSignatures != null 6729 && ps.signatures.mSignatures.length != 0 6730 && signingKs != null) { 6731 // Optimization: reuse the existing cached certificates 6732 // if the package appears to be unchanged. 6733 pkg.mSignatures = ps.signatures.mSignatures; 6734 pkg.mSigningKeys = signingKs; 6735 return; 6736 } 6737 6738 Slog.w(TAG, "PackageSetting for " + ps.name 6739 + " is missing signatures. Collecting certs again to recover them."); 6740 } else { 6741 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 6742 } 6743 6744 try { 6745 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 6746 PackageParser.collectCertificates(pkg, policyFlags); 6747 } catch (PackageParserException e) { 6748 throw PackageManagerException.from(e); 6749 } finally { 6750 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6751 } 6752 } 6753 6754 /** 6755 * Traces a package scan. 6756 * @see #scanPackageLI(File, int, int, long, UserHandle) 6757 */ 6758 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6759 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6760 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 6761 try { 6762 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6763 } finally { 6764 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6765 } 6766 } 6767 6768 /** 6769 * Scans a package and returns the newly parsed package. 6770 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6771 */ 6772 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6773 long currentTime, UserHandle user) throws PackageManagerException { 6774 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6775 PackageParser pp = new PackageParser(); 6776 pp.setSeparateProcesses(mSeparateProcesses); 6777 pp.setOnlyCoreApps(mOnlyCore); 6778 pp.setDisplayMetrics(mMetrics); 6779 6780 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6781 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6782 } 6783 6784 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6785 final PackageParser.Package pkg; 6786 try { 6787 pkg = pp.parsePackage(scanFile, parseFlags); 6788 } catch (PackageParserException e) { 6789 throw PackageManagerException.from(e); 6790 } finally { 6791 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6792 } 6793 6794 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6795 } 6796 6797 /** 6798 * Scans a package and returns the newly parsed package. 6799 * @throws PackageManagerException on a parse error. 6800 */ 6801 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6802 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6803 throws PackageManagerException { 6804 // If the package has children and this is the first dive in the function 6805 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6806 // packages (parent and children) would be successfully scanned before the 6807 // actual scan since scanning mutates internal state and we want to atomically 6808 // install the package and its children. 6809 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6810 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6811 scanFlags |= SCAN_CHECK_ONLY; 6812 } 6813 } else { 6814 scanFlags &= ~SCAN_CHECK_ONLY; 6815 } 6816 6817 // Scan the parent 6818 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6819 scanFlags, currentTime, user); 6820 6821 // Scan the children 6822 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6823 for (int i = 0; i < childCount; i++) { 6824 PackageParser.Package childPackage = pkg.childPackages.get(i); 6825 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6826 currentTime, user); 6827 } 6828 6829 6830 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6831 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6832 } 6833 6834 return scannedPkg; 6835 } 6836 6837 /** 6838 * Scans a package and returns the newly parsed package. 6839 * @throws PackageManagerException on a parse error. 6840 */ 6841 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6842 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6843 throws PackageManagerException { 6844 PackageSetting ps = null; 6845 PackageSetting updatedPkg; 6846 // reader 6847 synchronized (mPackages) { 6848 // Look to see if we already know about this package. 6849 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 6850 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6851 // This package has been renamed to its original name. Let's 6852 // use that. 6853 ps = mSettings.peekPackageLPr(oldName); 6854 } 6855 // If there was no original package, see one for the real package name. 6856 if (ps == null) { 6857 ps = mSettings.peekPackageLPr(pkg.packageName); 6858 } 6859 // Check to see if this package could be hiding/updating a system 6860 // package. Must look for it either under the original or real 6861 // package name depending on our state. 6862 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6863 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6864 6865 // If this is a package we don't know about on the system partition, we 6866 // may need to remove disabled child packages on the system partition 6867 // or may need to not add child packages if the parent apk is updated 6868 // on the data partition and no longer defines this child package. 6869 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6870 // If this is a parent package for an updated system app and this system 6871 // app got an OTA update which no longer defines some of the child packages 6872 // we have to prune them from the disabled system packages. 6873 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6874 if (disabledPs != null) { 6875 final int scannedChildCount = (pkg.childPackages != null) 6876 ? pkg.childPackages.size() : 0; 6877 final int disabledChildCount = disabledPs.childPackageNames != null 6878 ? disabledPs.childPackageNames.size() : 0; 6879 for (int i = 0; i < disabledChildCount; i++) { 6880 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6881 boolean disabledPackageAvailable = false; 6882 for (int j = 0; j < scannedChildCount; j++) { 6883 PackageParser.Package childPkg = pkg.childPackages.get(j); 6884 if (childPkg.packageName.equals(disabledChildPackageName)) { 6885 disabledPackageAvailable = true; 6886 break; 6887 } 6888 } 6889 if (!disabledPackageAvailable) { 6890 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6891 } 6892 } 6893 } 6894 } 6895 } 6896 6897 boolean updatedPkgBetter = false; 6898 // First check if this is a system package that may involve an update 6899 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6900 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6901 // it needs to drop FLAG_PRIVILEGED. 6902 if (locationIsPrivileged(scanFile)) { 6903 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6904 } else { 6905 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6906 } 6907 6908 if (ps != null && !ps.codePath.equals(scanFile)) { 6909 // The path has changed from what was last scanned... check the 6910 // version of the new path against what we have stored to determine 6911 // what to do. 6912 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6913 if (pkg.mVersionCode <= ps.versionCode) { 6914 // The system package has been updated and the code path does not match 6915 // Ignore entry. Skip it. 6916 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6917 + " ignored: updated version " + ps.versionCode 6918 + " better than this " + pkg.mVersionCode); 6919 if (!updatedPkg.codePath.equals(scanFile)) { 6920 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6921 + ps.name + " changing from " + updatedPkg.codePathString 6922 + " to " + scanFile); 6923 updatedPkg.codePath = scanFile; 6924 updatedPkg.codePathString = scanFile.toString(); 6925 updatedPkg.resourcePath = scanFile; 6926 updatedPkg.resourcePathString = scanFile.toString(); 6927 } 6928 updatedPkg.pkg = pkg; 6929 updatedPkg.versionCode = pkg.mVersionCode; 6930 6931 // Update the disabled system child packages to point to the package too. 6932 final int childCount = updatedPkg.childPackageNames != null 6933 ? updatedPkg.childPackageNames.size() : 0; 6934 for (int i = 0; i < childCount; i++) { 6935 String childPackageName = updatedPkg.childPackageNames.get(i); 6936 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6937 childPackageName); 6938 if (updatedChildPkg != null) { 6939 updatedChildPkg.pkg = pkg; 6940 updatedChildPkg.versionCode = pkg.mVersionCode; 6941 } 6942 } 6943 6944 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6945 + scanFile + " ignored: updated version " + ps.versionCode 6946 + " better than this " + pkg.mVersionCode); 6947 } else { 6948 // The current app on the system partition is better than 6949 // what we have updated to on the data partition; switch 6950 // back to the system partition version. 6951 // At this point, its safely assumed that package installation for 6952 // apps in system partition will go through. If not there won't be a working 6953 // version of the app 6954 // writer 6955 synchronized (mPackages) { 6956 // Just remove the loaded entries from package lists. 6957 mPackages.remove(ps.name); 6958 } 6959 6960 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6961 + " reverting from " + ps.codePathString 6962 + ": new version " + pkg.mVersionCode 6963 + " better than installed " + ps.versionCode); 6964 6965 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6966 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6967 synchronized (mInstallLock) { 6968 args.cleanUpResourcesLI(); 6969 } 6970 synchronized (mPackages) { 6971 mSettings.enableSystemPackageLPw(ps.name); 6972 } 6973 updatedPkgBetter = true; 6974 } 6975 } 6976 } 6977 6978 if (updatedPkg != null) { 6979 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6980 // initially 6981 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6982 6983 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6984 // flag set initially 6985 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6986 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6987 } 6988 } 6989 6990 // Verify certificates against what was last scanned 6991 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6992 6993 /* 6994 * A new system app appeared, but we already had a non-system one of the 6995 * same name installed earlier. 6996 */ 6997 boolean shouldHideSystemApp = false; 6998 if (updatedPkg == null && ps != null 6999 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7000 /* 7001 * Check to make sure the signatures match first. If they don't, 7002 * wipe the installed application and its data. 7003 */ 7004 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7005 != PackageManager.SIGNATURE_MATCH) { 7006 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7007 + " signatures don't match existing userdata copy; removing"); 7008 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7009 "scanPackageInternalLI")) { 7010 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7011 } 7012 ps = null; 7013 } else { 7014 /* 7015 * If the newly-added system app is an older version than the 7016 * already installed version, hide it. It will be scanned later 7017 * and re-added like an update. 7018 */ 7019 if (pkg.mVersionCode <= ps.versionCode) { 7020 shouldHideSystemApp = true; 7021 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7022 + " but new version " + pkg.mVersionCode + " better than installed " 7023 + ps.versionCode + "; hiding system"); 7024 } else { 7025 /* 7026 * The newly found system app is a newer version that the 7027 * one previously installed. Simply remove the 7028 * already-installed application and replace it with our own 7029 * while keeping the application data. 7030 */ 7031 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7032 + " reverting from " + ps.codePathString + ": new version " 7033 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7034 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7035 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7036 synchronized (mInstallLock) { 7037 args.cleanUpResourcesLI(); 7038 } 7039 } 7040 } 7041 } 7042 7043 // The apk is forward locked (not public) if its code and resources 7044 // are kept in different files. (except for app in either system or 7045 // vendor path). 7046 // TODO grab this value from PackageSettings 7047 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7048 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7049 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7050 } 7051 } 7052 7053 // TODO: extend to support forward-locked splits 7054 String resourcePath = null; 7055 String baseResourcePath = null; 7056 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7057 if (ps != null && ps.resourcePathString != null) { 7058 resourcePath = ps.resourcePathString; 7059 baseResourcePath = ps.resourcePathString; 7060 } else { 7061 // Should not happen at all. Just log an error. 7062 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7063 } 7064 } else { 7065 resourcePath = pkg.codePath; 7066 baseResourcePath = pkg.baseCodePath; 7067 } 7068 7069 // Set application objects path explicitly. 7070 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7071 pkg.setApplicationInfoCodePath(pkg.codePath); 7072 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7073 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7074 pkg.setApplicationInfoResourcePath(resourcePath); 7075 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7076 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7077 7078 // Note that we invoke the following method only if we are about to unpack an application 7079 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7080 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7081 7082 /* 7083 * If the system app should be overridden by a previously installed 7084 * data, hide the system app now and let the /data/app scan pick it up 7085 * again. 7086 */ 7087 if (shouldHideSystemApp) { 7088 synchronized (mPackages) { 7089 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7090 } 7091 } 7092 7093 return scannedPkg; 7094 } 7095 7096 private static String fixProcessName(String defProcessName, 7097 String processName, int uid) { 7098 if (processName == null) { 7099 return defProcessName; 7100 } 7101 return processName; 7102 } 7103 7104 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7105 throws PackageManagerException { 7106 if (pkgSetting.signatures.mSignatures != null) { 7107 // Already existing package. Make sure signatures match 7108 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7109 == PackageManager.SIGNATURE_MATCH; 7110 if (!match) { 7111 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7112 == PackageManager.SIGNATURE_MATCH; 7113 } 7114 if (!match) { 7115 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7116 == PackageManager.SIGNATURE_MATCH; 7117 } 7118 if (!match) { 7119 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7120 + pkg.packageName + " signatures do not match the " 7121 + "previously installed version; ignoring!"); 7122 } 7123 } 7124 7125 // Check for shared user signatures 7126 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7127 // Already existing package. Make sure signatures match 7128 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7129 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7130 if (!match) { 7131 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7132 == PackageManager.SIGNATURE_MATCH; 7133 } 7134 if (!match) { 7135 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7136 == PackageManager.SIGNATURE_MATCH; 7137 } 7138 if (!match) { 7139 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7140 "Package " + pkg.packageName 7141 + " has no signatures that match those in shared user " 7142 + pkgSetting.sharedUser.name + "; ignoring!"); 7143 } 7144 } 7145 } 7146 7147 /** 7148 * Enforces that only the system UID or root's UID can call a method exposed 7149 * via Binder. 7150 * 7151 * @param message used as message if SecurityException is thrown 7152 * @throws SecurityException if the caller is not system or root 7153 */ 7154 private static final void enforceSystemOrRoot(String message) { 7155 final int uid = Binder.getCallingUid(); 7156 if (uid != Process.SYSTEM_UID && uid != 0) { 7157 throw new SecurityException(message); 7158 } 7159 } 7160 7161 @Override 7162 public void performFstrimIfNeeded() { 7163 enforceSystemOrRoot("Only the system can request fstrim"); 7164 7165 // Before everything else, see whether we need to fstrim. 7166 try { 7167 IMountService ms = PackageHelper.getMountService(); 7168 if (ms != null) { 7169 boolean doTrim = false; 7170 final long interval = android.provider.Settings.Global.getLong( 7171 mContext.getContentResolver(), 7172 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7173 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7174 if (interval > 0) { 7175 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7176 if (timeSinceLast > interval) { 7177 doTrim = true; 7178 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7179 + "; running immediately"); 7180 } 7181 } 7182 if (doTrim) { 7183 final boolean dexOptDialogShown; 7184 synchronized (mPackages) { 7185 dexOptDialogShown = mDexOptDialogShown; 7186 } 7187 if (!isFirstBoot() && dexOptDialogShown) { 7188 try { 7189 ActivityManagerNative.getDefault().showBootMessage( 7190 mContext.getResources().getString( 7191 R.string.android_upgrading_fstrim), true); 7192 } catch (RemoteException e) { 7193 } 7194 } 7195 ms.runMaintenance(); 7196 } 7197 } else { 7198 Slog.e(TAG, "Mount service unavailable!"); 7199 } 7200 } catch (RemoteException e) { 7201 // Can't happen; MountService is local 7202 } 7203 } 7204 7205 @Override 7206 public void updatePackagesIfNeeded() { 7207 enforceSystemOrRoot("Only the system can request package update"); 7208 7209 // We need to re-extract after an OTA. 7210 boolean causeUpgrade = isUpgrade(); 7211 7212 // First boot or factory reset. 7213 // Note: we also handle devices that are upgrading to N right now as if it is their 7214 // first boot, as they do not have profile data. 7215 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7216 7217 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7218 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7219 7220 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7221 return; 7222 } 7223 7224 List<PackageParser.Package> pkgs; 7225 synchronized (mPackages) { 7226 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7227 } 7228 7229 final long startTime = System.nanoTime(); 7230 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7231 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7232 7233 final int elapsedTimeSeconds = 7234 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7235 7236 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7237 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7238 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7239 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7240 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7241 } 7242 7243 /** 7244 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7245 * containing statistics about the invocation. The array consists of three elements, 7246 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7247 * and {@code numberOfPackagesFailed}. 7248 */ 7249 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7250 String compilerFilter) { 7251 7252 int numberOfPackagesVisited = 0; 7253 int numberOfPackagesOptimized = 0; 7254 int numberOfPackagesSkipped = 0; 7255 int numberOfPackagesFailed = 0; 7256 final int numberOfPackagesToDexopt = pkgs.size(); 7257 7258 for (PackageParser.Package pkg : pkgs) { 7259 numberOfPackagesVisited++; 7260 7261 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7262 if (DEBUG_DEXOPT) { 7263 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7264 } 7265 numberOfPackagesSkipped++; 7266 continue; 7267 } 7268 7269 if (DEBUG_DEXOPT) { 7270 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7271 numberOfPackagesToDexopt + ": " + pkg.packageName); 7272 } 7273 7274 if (showDialog) { 7275 try { 7276 ActivityManagerNative.getDefault().showBootMessage( 7277 mContext.getResources().getString(R.string.android_upgrading_apk, 7278 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7279 } catch (RemoteException e) { 7280 } 7281 synchronized (mPackages) { 7282 mDexOptDialogShown = true; 7283 } 7284 } 7285 7286 // If the OTA updates a system app which was previously preopted to a non-preopted state 7287 // the app might end up being verified at runtime. That's because by default the apps 7288 // are verify-profile but for preopted apps there's no profile. 7289 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7290 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7291 // filter (by default interpret-only). 7292 // Note that at this stage unused apps are already filtered. 7293 if (isSystemApp(pkg) && 7294 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7295 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7296 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7297 } 7298 7299 // If the OTA updates a system app which was previously preopted to a non-preopted state 7300 // the app might end up being verified at runtime. That's because by default the apps 7301 // are verify-profile but for preopted apps there's no profile. 7302 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7303 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7304 // filter (by default interpret-only). 7305 // Note that at this stage unused apps are already filtered. 7306 if (isSystemApp(pkg) && 7307 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7308 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7309 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7310 } 7311 7312 // checkProfiles is false to avoid merging profiles during boot which 7313 // might interfere with background compilation (b/28612421). 7314 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7315 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7316 // trade-off worth doing to save boot time work. 7317 int dexOptStatus = performDexOptTraced(pkg.packageName, 7318 false /* checkProfiles */, 7319 compilerFilter, 7320 false /* force */); 7321 switch (dexOptStatus) { 7322 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7323 numberOfPackagesOptimized++; 7324 break; 7325 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7326 numberOfPackagesSkipped++; 7327 break; 7328 case PackageDexOptimizer.DEX_OPT_FAILED: 7329 numberOfPackagesFailed++; 7330 break; 7331 default: 7332 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7333 break; 7334 } 7335 } 7336 7337 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7338 numberOfPackagesFailed }; 7339 } 7340 7341 @Override 7342 public void notifyPackageUse(String packageName, int reason) { 7343 synchronized (mPackages) { 7344 PackageParser.Package p = mPackages.get(packageName); 7345 if (p == null) { 7346 return; 7347 } 7348 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7349 } 7350 } 7351 7352 // TODO: this is not used nor needed. Delete it. 7353 @Override 7354 public boolean performDexOptIfNeeded(String packageName) { 7355 int dexOptStatus = performDexOptTraced(packageName, 7356 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7357 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7358 } 7359 7360 @Override 7361 public boolean performDexOpt(String packageName, 7362 boolean checkProfiles, int compileReason, boolean force) { 7363 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7364 getCompilerFilterForReason(compileReason), force); 7365 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7366 } 7367 7368 @Override 7369 public boolean performDexOptMode(String packageName, 7370 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7371 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7372 targetCompilerFilter, force); 7373 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7374 } 7375 7376 private int performDexOptTraced(String packageName, 7377 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7378 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7379 try { 7380 return performDexOptInternal(packageName, checkProfiles, 7381 targetCompilerFilter, force); 7382 } finally { 7383 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7384 } 7385 } 7386 7387 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7388 // if the package can now be considered up to date for the given filter. 7389 private int performDexOptInternal(String packageName, 7390 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7391 PackageParser.Package p; 7392 synchronized (mPackages) { 7393 p = mPackages.get(packageName); 7394 if (p == null) { 7395 // Package could not be found. Report failure. 7396 return PackageDexOptimizer.DEX_OPT_FAILED; 7397 } 7398 mPackageUsage.maybeWriteAsync(mPackages); 7399 mCompilerStats.maybeWriteAsync(); 7400 } 7401 long callingId = Binder.clearCallingIdentity(); 7402 try { 7403 synchronized (mInstallLock) { 7404 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7405 targetCompilerFilter, force); 7406 } 7407 } finally { 7408 Binder.restoreCallingIdentity(callingId); 7409 } 7410 } 7411 7412 public ArraySet<String> getOptimizablePackages() { 7413 ArraySet<String> pkgs = new ArraySet<String>(); 7414 synchronized (mPackages) { 7415 for (PackageParser.Package p : mPackages.values()) { 7416 if (PackageDexOptimizer.canOptimizePackage(p)) { 7417 pkgs.add(p.packageName); 7418 } 7419 } 7420 } 7421 return pkgs; 7422 } 7423 7424 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7425 boolean checkProfiles, String targetCompilerFilter, 7426 boolean force) { 7427 // Select the dex optimizer based on the force parameter. 7428 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7429 // allocate an object here. 7430 PackageDexOptimizer pdo = force 7431 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7432 : mPackageDexOptimizer; 7433 7434 // Optimize all dependencies first. Note: we ignore the return value and march on 7435 // on errors. 7436 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7437 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7438 if (!deps.isEmpty()) { 7439 for (PackageParser.Package depPackage : deps) { 7440 // TODO: Analyze and investigate if we (should) profile libraries. 7441 // Currently this will do a full compilation of the library by default. 7442 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7443 false /* checkProfiles */, 7444 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7445 getOrCreateCompilerPackageStats(depPackage)); 7446 } 7447 } 7448 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7449 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7450 } 7451 7452 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7453 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7454 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7455 Set<String> collectedNames = new HashSet<>(); 7456 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7457 7458 retValue.remove(p); 7459 7460 return retValue; 7461 } else { 7462 return Collections.emptyList(); 7463 } 7464 } 7465 7466 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7467 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7468 if (!collectedNames.contains(p.packageName)) { 7469 collectedNames.add(p.packageName); 7470 collected.add(p); 7471 7472 if (p.usesLibraries != null) { 7473 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7474 } 7475 if (p.usesOptionalLibraries != null) { 7476 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7477 collectedNames); 7478 } 7479 } 7480 } 7481 7482 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7483 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7484 for (String libName : libs) { 7485 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7486 if (libPkg != null) { 7487 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7488 } 7489 } 7490 } 7491 7492 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7493 synchronized (mPackages) { 7494 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7495 if (lib != null && lib.apk != null) { 7496 return mPackages.get(lib.apk); 7497 } 7498 } 7499 return null; 7500 } 7501 7502 public void shutdown() { 7503 mPackageUsage.writeNow(mPackages); 7504 mCompilerStats.writeNow(); 7505 } 7506 7507 @Override 7508 public void dumpProfiles(String packageName) { 7509 PackageParser.Package pkg; 7510 synchronized (mPackages) { 7511 pkg = mPackages.get(packageName); 7512 if (pkg == null) { 7513 throw new IllegalArgumentException("Unknown package: " + packageName); 7514 } 7515 } 7516 /* Only the shell, root, or the app user should be able to dump profiles. */ 7517 int callingUid = Binder.getCallingUid(); 7518 if (callingUid != Process.SHELL_UID && 7519 callingUid != Process.ROOT_UID && 7520 callingUid != pkg.applicationInfo.uid) { 7521 throw new SecurityException("dumpProfiles"); 7522 } 7523 7524 synchronized (mInstallLock) { 7525 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7526 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7527 try { 7528 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7529 String gid = Integer.toString(sharedGid); 7530 String codePaths = TextUtils.join(";", allCodePaths); 7531 mInstaller.dumpProfiles(gid, packageName, codePaths); 7532 } catch (InstallerException e) { 7533 Slog.w(TAG, "Failed to dump profiles", e); 7534 } 7535 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7536 } 7537 } 7538 7539 @Override 7540 public void forceDexOpt(String packageName) { 7541 enforceSystemOrRoot("forceDexOpt"); 7542 7543 PackageParser.Package pkg; 7544 synchronized (mPackages) { 7545 pkg = mPackages.get(packageName); 7546 if (pkg == null) { 7547 throw new IllegalArgumentException("Unknown package: " + packageName); 7548 } 7549 } 7550 7551 synchronized (mInstallLock) { 7552 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7553 7554 // Whoever is calling forceDexOpt wants a fully compiled package. 7555 // Don't use profiles since that may cause compilation to be skipped. 7556 final int res = performDexOptInternalWithDependenciesLI(pkg, 7557 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7558 true /* force */); 7559 7560 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7561 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7562 throw new IllegalStateException("Failed to dexopt: " + res); 7563 } 7564 } 7565 } 7566 7567 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7568 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7569 Slog.w(TAG, "Unable to update from " + oldPkg.name 7570 + " to " + newPkg.packageName 7571 + ": old package not in system partition"); 7572 return false; 7573 } else if (mPackages.get(oldPkg.name) != null) { 7574 Slog.w(TAG, "Unable to update from " + oldPkg.name 7575 + " to " + newPkg.packageName 7576 + ": old package still exists"); 7577 return false; 7578 } 7579 return true; 7580 } 7581 7582 void removeCodePathLI(File codePath) { 7583 if (codePath.isDirectory()) { 7584 try { 7585 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7586 } catch (InstallerException e) { 7587 Slog.w(TAG, "Failed to remove code path", e); 7588 } 7589 } else { 7590 codePath.delete(); 7591 } 7592 } 7593 7594 private int[] resolveUserIds(int userId) { 7595 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7596 } 7597 7598 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7599 if (pkg == null) { 7600 Slog.wtf(TAG, "Package was null!", new Throwable()); 7601 return; 7602 } 7603 clearAppDataLeafLIF(pkg, userId, flags); 7604 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7605 for (int i = 0; i < childCount; i++) { 7606 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7607 } 7608 } 7609 7610 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7611 final PackageSetting ps; 7612 synchronized (mPackages) { 7613 ps = mSettings.mPackages.get(pkg.packageName); 7614 } 7615 for (int realUserId : resolveUserIds(userId)) { 7616 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7617 try { 7618 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7619 ceDataInode); 7620 } catch (InstallerException e) { 7621 Slog.w(TAG, String.valueOf(e)); 7622 } 7623 } 7624 } 7625 7626 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7627 if (pkg == null) { 7628 Slog.wtf(TAG, "Package was null!", new Throwable()); 7629 return; 7630 } 7631 destroyAppDataLeafLIF(pkg, userId, flags); 7632 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7633 for (int i = 0; i < childCount; i++) { 7634 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7635 } 7636 } 7637 7638 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7639 final PackageSetting ps; 7640 synchronized (mPackages) { 7641 ps = mSettings.mPackages.get(pkg.packageName); 7642 } 7643 for (int realUserId : resolveUserIds(userId)) { 7644 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7645 try { 7646 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7647 ceDataInode); 7648 } catch (InstallerException e) { 7649 Slog.w(TAG, String.valueOf(e)); 7650 } 7651 } 7652 } 7653 7654 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7655 if (pkg == null) { 7656 Slog.wtf(TAG, "Package was null!", new Throwable()); 7657 return; 7658 } 7659 destroyAppProfilesLeafLIF(pkg); 7660 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7661 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7662 for (int i = 0; i < childCount; i++) { 7663 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7664 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7665 true /* removeBaseMarker */); 7666 } 7667 } 7668 7669 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7670 boolean removeBaseMarker) { 7671 if (pkg.isForwardLocked()) { 7672 return; 7673 } 7674 7675 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7676 try { 7677 path = PackageManagerServiceUtils.realpath(new File(path)); 7678 } catch (IOException e) { 7679 // TODO: Should we return early here ? 7680 Slog.w(TAG, "Failed to get canonical path", e); 7681 continue; 7682 } 7683 7684 final String useMarker = path.replace('/', '@'); 7685 for (int realUserId : resolveUserIds(userId)) { 7686 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7687 if (removeBaseMarker) { 7688 File foreignUseMark = new File(profileDir, useMarker); 7689 if (foreignUseMark.exists()) { 7690 if (!foreignUseMark.delete()) { 7691 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7692 + pkg.packageName); 7693 } 7694 } 7695 } 7696 7697 File[] markers = profileDir.listFiles(); 7698 if (markers != null) { 7699 final String searchString = "@" + pkg.packageName + "@"; 7700 // We also delete all markers that contain the package name we're 7701 // uninstalling. These are associated with secondary dex-files belonging 7702 // to the package. Reconstructing the path of these dex files is messy 7703 // in general. 7704 for (File marker : markers) { 7705 if (marker.getName().indexOf(searchString) > 0) { 7706 if (!marker.delete()) { 7707 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7708 + pkg.packageName); 7709 } 7710 } 7711 } 7712 } 7713 } 7714 } 7715 } 7716 7717 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7718 try { 7719 mInstaller.destroyAppProfiles(pkg.packageName); 7720 } catch (InstallerException e) { 7721 Slog.w(TAG, String.valueOf(e)); 7722 } 7723 } 7724 7725 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7726 if (pkg == null) { 7727 Slog.wtf(TAG, "Package was null!", new Throwable()); 7728 return; 7729 } 7730 clearAppProfilesLeafLIF(pkg); 7731 // We don't remove the base foreign use marker when clearing profiles because 7732 // we will rename it when the app is updated. Unlike the actual profile contents, 7733 // the foreign use marker is good across installs. 7734 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7735 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7736 for (int i = 0; i < childCount; i++) { 7737 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7738 } 7739 } 7740 7741 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7742 try { 7743 mInstaller.clearAppProfiles(pkg.packageName); 7744 } catch (InstallerException e) { 7745 Slog.w(TAG, String.valueOf(e)); 7746 } 7747 } 7748 7749 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7750 long lastUpdateTime) { 7751 // Set parent install/update time 7752 PackageSetting ps = (PackageSetting) pkg.mExtras; 7753 if (ps != null) { 7754 ps.firstInstallTime = firstInstallTime; 7755 ps.lastUpdateTime = lastUpdateTime; 7756 } 7757 // Set children install/update time 7758 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7759 for (int i = 0; i < childCount; i++) { 7760 PackageParser.Package childPkg = pkg.childPackages.get(i); 7761 ps = (PackageSetting) childPkg.mExtras; 7762 if (ps != null) { 7763 ps.firstInstallTime = firstInstallTime; 7764 ps.lastUpdateTime = lastUpdateTime; 7765 } 7766 } 7767 } 7768 7769 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7770 PackageParser.Package changingLib) { 7771 if (file.path != null) { 7772 usesLibraryFiles.add(file.path); 7773 return; 7774 } 7775 PackageParser.Package p = mPackages.get(file.apk); 7776 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7777 // If we are doing this while in the middle of updating a library apk, 7778 // then we need to make sure to use that new apk for determining the 7779 // dependencies here. (We haven't yet finished committing the new apk 7780 // to the package manager state.) 7781 if (p == null || p.packageName.equals(changingLib.packageName)) { 7782 p = changingLib; 7783 } 7784 } 7785 if (p != null) { 7786 usesLibraryFiles.addAll(p.getAllCodePaths()); 7787 } 7788 } 7789 7790 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7791 PackageParser.Package changingLib) throws PackageManagerException { 7792 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7793 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7794 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7795 for (int i=0; i<N; i++) { 7796 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7797 if (file == null) { 7798 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7799 "Package " + pkg.packageName + " requires unavailable shared library " 7800 + pkg.usesLibraries.get(i) + "; failing!"); 7801 } 7802 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7803 } 7804 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7805 for (int i=0; i<N; i++) { 7806 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7807 if (file == null) { 7808 Slog.w(TAG, "Package " + pkg.packageName 7809 + " desires unavailable shared library " 7810 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7811 } else { 7812 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7813 } 7814 } 7815 N = usesLibraryFiles.size(); 7816 if (N > 0) { 7817 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7818 } else { 7819 pkg.usesLibraryFiles = null; 7820 } 7821 } 7822 } 7823 7824 private static boolean hasString(List<String> list, List<String> which) { 7825 if (list == null) { 7826 return false; 7827 } 7828 for (int i=list.size()-1; i>=0; i--) { 7829 for (int j=which.size()-1; j>=0; j--) { 7830 if (which.get(j).equals(list.get(i))) { 7831 return true; 7832 } 7833 } 7834 } 7835 return false; 7836 } 7837 7838 private void updateAllSharedLibrariesLPw() { 7839 for (PackageParser.Package pkg : mPackages.values()) { 7840 try { 7841 updateSharedLibrariesLPw(pkg, null); 7842 } catch (PackageManagerException e) { 7843 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7844 } 7845 } 7846 } 7847 7848 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7849 PackageParser.Package changingPkg) { 7850 ArrayList<PackageParser.Package> res = null; 7851 for (PackageParser.Package pkg : mPackages.values()) { 7852 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7853 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7854 if (res == null) { 7855 res = new ArrayList<PackageParser.Package>(); 7856 } 7857 res.add(pkg); 7858 try { 7859 updateSharedLibrariesLPw(pkg, changingPkg); 7860 } catch (PackageManagerException e) { 7861 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7862 } 7863 } 7864 } 7865 return res; 7866 } 7867 7868 /** 7869 * Derive the value of the {@code cpuAbiOverride} based on the provided 7870 * value and an optional stored value from the package settings. 7871 */ 7872 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7873 String cpuAbiOverride = null; 7874 7875 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7876 cpuAbiOverride = null; 7877 } else if (abiOverride != null) { 7878 cpuAbiOverride = abiOverride; 7879 } else if (settings != null) { 7880 cpuAbiOverride = settings.cpuAbiOverrideString; 7881 } 7882 7883 return cpuAbiOverride; 7884 } 7885 7886 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7887 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7888 throws PackageManagerException { 7889 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7890 // If the package has children and this is the first dive in the function 7891 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7892 // whether all packages (parent and children) would be successfully scanned 7893 // before the actual scan since scanning mutates internal state and we want 7894 // to atomically install the package and its children. 7895 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7896 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7897 scanFlags |= SCAN_CHECK_ONLY; 7898 } 7899 } else { 7900 scanFlags &= ~SCAN_CHECK_ONLY; 7901 } 7902 7903 final PackageParser.Package scannedPkg; 7904 try { 7905 // Scan the parent 7906 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7907 // Scan the children 7908 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7909 for (int i = 0; i < childCount; i++) { 7910 PackageParser.Package childPkg = pkg.childPackages.get(i); 7911 scanPackageLI(childPkg, policyFlags, 7912 scanFlags, currentTime, user); 7913 } 7914 } finally { 7915 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7916 } 7917 7918 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7919 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7920 } 7921 7922 return scannedPkg; 7923 } 7924 7925 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7926 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7927 boolean success = false; 7928 try { 7929 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7930 currentTime, user); 7931 success = true; 7932 return res; 7933 } finally { 7934 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7935 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7936 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7937 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7938 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7939 } 7940 } 7941 } 7942 7943 /** 7944 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7945 */ 7946 private static boolean apkHasCode(String fileName) { 7947 StrictJarFile jarFile = null; 7948 try { 7949 jarFile = new StrictJarFile(fileName, 7950 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7951 return jarFile.findEntry("classes.dex") != null; 7952 } catch (IOException ignore) { 7953 } finally { 7954 try { 7955 if (jarFile != null) { 7956 jarFile.close(); 7957 } 7958 } catch (IOException ignore) {} 7959 } 7960 return false; 7961 } 7962 7963 /** 7964 * Enforces code policy for the package. This ensures that if an APK has 7965 * declared hasCode="true" in its manifest that the APK actually contains 7966 * code. 7967 * 7968 * @throws PackageManagerException If bytecode could not be found when it should exist 7969 */ 7970 private static void enforceCodePolicy(PackageParser.Package pkg) 7971 throws PackageManagerException { 7972 final boolean shouldHaveCode = 7973 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7974 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7975 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7976 "Package " + pkg.baseCodePath + " code is missing"); 7977 } 7978 7979 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7980 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7981 final boolean splitShouldHaveCode = 7982 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7983 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7984 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7985 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7986 } 7987 } 7988 } 7989 } 7990 7991 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7992 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7993 throws PackageManagerException { 7994 final File scanFile = new File(pkg.codePath); 7995 if (pkg.applicationInfo.getCodePath() == null || 7996 pkg.applicationInfo.getResourcePath() == null) { 7997 // Bail out. The resource and code paths haven't been set. 7998 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7999 "Code and resource paths haven't been set correctly"); 8000 } 8001 8002 // Apply policy 8003 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8004 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8005 if (pkg.applicationInfo.isDirectBootAware()) { 8006 // we're direct boot aware; set for all components 8007 for (PackageParser.Service s : pkg.services) { 8008 s.info.encryptionAware = s.info.directBootAware = true; 8009 } 8010 for (PackageParser.Provider p : pkg.providers) { 8011 p.info.encryptionAware = p.info.directBootAware = true; 8012 } 8013 for (PackageParser.Activity a : pkg.activities) { 8014 a.info.encryptionAware = a.info.directBootAware = true; 8015 } 8016 for (PackageParser.Activity r : pkg.receivers) { 8017 r.info.encryptionAware = r.info.directBootAware = true; 8018 } 8019 } 8020 } else { 8021 // Only allow system apps to be flagged as core apps. 8022 pkg.coreApp = false; 8023 // clear flags not applicable to regular apps 8024 pkg.applicationInfo.privateFlags &= 8025 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8026 pkg.applicationInfo.privateFlags &= 8027 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8028 } 8029 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8030 8031 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8032 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8033 } 8034 8035 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8036 enforceCodePolicy(pkg); 8037 } 8038 8039 if (mCustomResolverComponentName != null && 8040 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8041 setUpCustomResolverActivity(pkg); 8042 } 8043 8044 if (pkg.packageName.equals("android")) { 8045 synchronized (mPackages) { 8046 if (mAndroidApplication != null) { 8047 Slog.w(TAG, "*************************************************"); 8048 Slog.w(TAG, "Core android package being redefined. Skipping."); 8049 Slog.w(TAG, " file=" + scanFile); 8050 Slog.w(TAG, "*************************************************"); 8051 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8052 "Core android package being redefined. Skipping."); 8053 } 8054 8055 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8056 // Set up information for our fall-back user intent resolution activity. 8057 mPlatformPackage = pkg; 8058 pkg.mVersionCode = mSdkVersion; 8059 mAndroidApplication = pkg.applicationInfo; 8060 8061 if (!mResolverReplaced) { 8062 mResolveActivity.applicationInfo = mAndroidApplication; 8063 mResolveActivity.name = ResolverActivity.class.getName(); 8064 mResolveActivity.packageName = mAndroidApplication.packageName; 8065 mResolveActivity.processName = "system:ui"; 8066 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8067 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8068 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8069 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8070 mResolveActivity.exported = true; 8071 mResolveActivity.enabled = true; 8072 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8073 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8074 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8075 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8076 | ActivityInfo.CONFIG_ORIENTATION 8077 | ActivityInfo.CONFIG_KEYBOARD 8078 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8079 mResolveInfo.activityInfo = mResolveActivity; 8080 mResolveInfo.priority = 0; 8081 mResolveInfo.preferredOrder = 0; 8082 mResolveInfo.match = 0; 8083 mResolveComponentName = new ComponentName( 8084 mAndroidApplication.packageName, mResolveActivity.name); 8085 } 8086 } 8087 } 8088 } 8089 8090 if (DEBUG_PACKAGE_SCANNING) { 8091 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8092 Log.d(TAG, "Scanning package " + pkg.packageName); 8093 } 8094 8095 synchronized (mPackages) { 8096 if (mPackages.containsKey(pkg.packageName) 8097 || mSharedLibraries.containsKey(pkg.packageName)) { 8098 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8099 "Application package " + pkg.packageName 8100 + " already installed. Skipping duplicate."); 8101 } 8102 8103 // If we're only installing presumed-existing packages, require that the 8104 // scanned APK is both already known and at the path previously established 8105 // for it. Previously unknown packages we pick up normally, but if we have an 8106 // a priori expectation about this package's install presence, enforce it. 8107 // With a singular exception for new system packages. When an OTA contains 8108 // a new system package, we allow the codepath to change from a system location 8109 // to the user-installed location. If we don't allow this change, any newer, 8110 // user-installed version of the application will be ignored. 8111 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8112 if (mExpectingBetter.containsKey(pkg.packageName)) { 8113 logCriticalInfo(Log.WARN, 8114 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8115 } else { 8116 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8117 if (known != null) { 8118 if (DEBUG_PACKAGE_SCANNING) { 8119 Log.d(TAG, "Examining " + pkg.codePath 8120 + " and requiring known paths " + known.codePathString 8121 + " & " + known.resourcePathString); 8122 } 8123 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8124 || !pkg.applicationInfo.getResourcePath().equals( 8125 known.resourcePathString)) { 8126 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8127 "Application package " + pkg.packageName 8128 + " found at " + pkg.applicationInfo.getCodePath() 8129 + " but expected at " + known.codePathString 8130 + "; ignoring."); 8131 } 8132 } 8133 } 8134 } 8135 } 8136 8137 // Initialize package source and resource directories 8138 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8139 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8140 8141 SharedUserSetting suid = null; 8142 PackageSetting pkgSetting = null; 8143 8144 if (!isSystemApp(pkg)) { 8145 // Only system apps can use these features. 8146 pkg.mOriginalPackages = null; 8147 pkg.mRealPackage = null; 8148 pkg.mAdoptPermissions = null; 8149 } 8150 8151 // Getting the package setting may have a side-effect, so if we 8152 // are only checking if scan would succeed, stash a copy of the 8153 // old setting to restore at the end. 8154 PackageSetting nonMutatedPs = null; 8155 8156 // writer 8157 synchronized (mPackages) { 8158 if (pkg.mSharedUserId != null) { 8159 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8160 if (suid == null) { 8161 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8162 "Creating application package " + pkg.packageName 8163 + " for shared user failed"); 8164 } 8165 if (DEBUG_PACKAGE_SCANNING) { 8166 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8167 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8168 + "): packages=" + suid.packages); 8169 } 8170 } 8171 8172 // Check if we are renaming from an original package name. 8173 PackageSetting origPackage = null; 8174 String realName = null; 8175 if (pkg.mOriginalPackages != null) { 8176 // This package may need to be renamed to a previously 8177 // installed name. Let's check on that... 8178 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8179 if (pkg.mOriginalPackages.contains(renamed)) { 8180 // This package had originally been installed as the 8181 // original name, and we have already taken care of 8182 // transitioning to the new one. Just update the new 8183 // one to continue using the old name. 8184 realName = pkg.mRealPackage; 8185 if (!pkg.packageName.equals(renamed)) { 8186 // Callers into this function may have already taken 8187 // care of renaming the package; only do it here if 8188 // it is not already done. 8189 pkg.setPackageName(renamed); 8190 } 8191 8192 } else { 8193 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8194 if ((origPackage = mSettings.peekPackageLPr( 8195 pkg.mOriginalPackages.get(i))) != null) { 8196 // We do have the package already installed under its 8197 // original name... should we use it? 8198 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8199 // New package is not compatible with original. 8200 origPackage = null; 8201 continue; 8202 } else if (origPackage.sharedUser != null) { 8203 // Make sure uid is compatible between packages. 8204 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8205 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8206 + " to " + pkg.packageName + ": old uid " 8207 + origPackage.sharedUser.name 8208 + " differs from " + pkg.mSharedUserId); 8209 origPackage = null; 8210 continue; 8211 } 8212 // TODO: Add case when shared user id is added [b/28144775] 8213 } else { 8214 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8215 + pkg.packageName + " to old name " + origPackage.name); 8216 } 8217 break; 8218 } 8219 } 8220 } 8221 } 8222 8223 if (mTransferedPackages.contains(pkg.packageName)) { 8224 Slog.w(TAG, "Package " + pkg.packageName 8225 + " was transferred to another, but its .apk remains"); 8226 } 8227 8228 // See comments in nonMutatedPs declaration 8229 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8230 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8231 if (foundPs != null) { 8232 nonMutatedPs = new PackageSetting(foundPs); 8233 } 8234 } 8235 8236 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 8237 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 8238 PackageManagerService.reportSettingsProblem(Log.WARN, 8239 "Package " + pkg.packageName + " shared user changed from " 8240 + (pkgSetting.sharedUser != null ? pkgSetting.sharedUser.name : "<nothing>") 8241 + " to " 8242 + (suid != null ? suid.name : "<nothing>") 8243 + "; replacing with new"); 8244 pkgSetting = null; 8245 } 8246 final PackageSetting oldPkgSetting = 8247 pkgSetting == null ? null : new PackageSetting(pkgSetting); 8248 final PackageSetting disabledPkgSetting = 8249 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8250 if (pkgSetting == null) { 8251 final String parentPackageName = (pkg.parentPackage != null) 8252 ? pkg.parentPackage.packageName : null; 8253 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 8254 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 8255 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 8256 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 8257 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 8258 true /*allowInstall*/, parentPackageName, pkg.getChildPackageNames(), 8259 UserManagerService.getInstance()); 8260 if (origPackage != null) { 8261 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 8262 } 8263 mSettings.addUserToSettingLPw(pkgSetting); 8264 } else { 8265 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 8266 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 8267 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 8268 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 8269 UserManagerService.getInstance()); 8270 } 8271 mSettings.writeUserRestrictions(pkgSetting, oldPkgSetting); 8272 8273 if (pkgSetting.origPackage != null) { 8274 // If we are first transitioning from an original package, 8275 // fix up the new package's name now. We need to do this after 8276 // looking up the package under its new name, so getPackageLP 8277 // can take care of fiddling things correctly. 8278 pkg.setPackageName(origPackage.name); 8279 8280 // File a report about this. 8281 String msg = "New package " + pkgSetting.realName 8282 + " renamed to replace old package " + pkgSetting.name; 8283 reportSettingsProblem(Log.WARN, msg); 8284 8285 // Make a note of it. 8286 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8287 mTransferedPackages.add(origPackage.name); 8288 } 8289 8290 // No longer need to retain this. 8291 pkgSetting.origPackage = null; 8292 } 8293 8294 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8295 // Make a note of it. 8296 mTransferedPackages.add(pkg.packageName); 8297 } 8298 8299 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8300 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8301 } 8302 8303 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8304 // Check all shared libraries and map to their actual file path. 8305 // We only do this here for apps not on a system dir, because those 8306 // are the only ones that can fail an install due to this. We 8307 // will take care of the system apps by updating all of their 8308 // library paths after the scan is done. 8309 updateSharedLibrariesLPw(pkg, null); 8310 } 8311 8312 if (mFoundPolicyFile) { 8313 SELinuxMMAC.assignSeinfoValue(pkg); 8314 } 8315 8316 pkg.applicationInfo.uid = pkgSetting.appId; 8317 pkg.mExtras = pkgSetting; 8318 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8319 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8320 // We just determined the app is signed correctly, so bring 8321 // over the latest parsed certs. 8322 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8323 } else { 8324 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8325 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8326 "Package " + pkg.packageName + " upgrade keys do not match the " 8327 + "previously installed version"); 8328 } else { 8329 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8330 String msg = "System package " + pkg.packageName 8331 + " signature changed; retaining data."; 8332 reportSettingsProblem(Log.WARN, msg); 8333 } 8334 } 8335 } else { 8336 try { 8337 verifySignaturesLP(pkgSetting, pkg); 8338 // We just determined the app is signed correctly, so bring 8339 // over the latest parsed certs. 8340 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8341 } catch (PackageManagerException e) { 8342 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8343 throw e; 8344 } 8345 // The signature has changed, but this package is in the system 8346 // image... let's recover! 8347 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8348 // However... if this package is part of a shared user, but it 8349 // doesn't match the signature of the shared user, let's fail. 8350 // What this means is that you can't change the signatures 8351 // associated with an overall shared user, which doesn't seem all 8352 // that unreasonable. 8353 if (pkgSetting.sharedUser != null) { 8354 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8355 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8356 throw new PackageManagerException( 8357 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8358 "Signature mismatch for shared user: " 8359 + pkgSetting.sharedUser); 8360 } 8361 } 8362 // File a report about this. 8363 String msg = "System package " + pkg.packageName 8364 + " signature changed; retaining data."; 8365 reportSettingsProblem(Log.WARN, msg); 8366 } 8367 } 8368 // Verify that this new package doesn't have any content providers 8369 // that conflict with existing packages. Only do this if the 8370 // package isn't already installed, since we don't want to break 8371 // things that are installed. 8372 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8373 final int N = pkg.providers.size(); 8374 int i; 8375 for (i=0; i<N; i++) { 8376 PackageParser.Provider p = pkg.providers.get(i); 8377 if (p.info.authority != null) { 8378 String names[] = p.info.authority.split(";"); 8379 for (int j = 0; j < names.length; j++) { 8380 if (mProvidersByAuthority.containsKey(names[j])) { 8381 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8382 final String otherPackageName = 8383 ((other != null && other.getComponentName() != null) ? 8384 other.getComponentName().getPackageName() : "?"); 8385 throw new PackageManagerException( 8386 INSTALL_FAILED_CONFLICTING_PROVIDER, 8387 "Can't install because provider name " + names[j] 8388 + " (in package " + pkg.applicationInfo.packageName 8389 + ") is already used by " + otherPackageName); 8390 } 8391 } 8392 } 8393 } 8394 } 8395 8396 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8397 // This package wants to adopt ownership of permissions from 8398 // another package. 8399 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8400 final String origName = pkg.mAdoptPermissions.get(i); 8401 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8402 if (orig != null) { 8403 if (verifyPackageUpdateLPr(orig, pkg)) { 8404 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8405 + pkg.packageName); 8406 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8407 } 8408 } 8409 } 8410 } 8411 } 8412 8413 final String pkgName = pkg.packageName; 8414 8415 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8416 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8417 pkg.applicationInfo.processName = fixProcessName( 8418 pkg.applicationInfo.packageName, 8419 pkg.applicationInfo.processName, 8420 pkg.applicationInfo.uid); 8421 8422 if (pkg != mPlatformPackage) { 8423 // Get all of our default paths setup 8424 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8425 } 8426 8427 final String path = scanFile.getPath(); 8428 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8429 8430 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8431 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 8432 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /*extractLibs*/); 8433 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8434 8435 // Some system apps still use directory structure for native libraries 8436 // in which case we might end up not detecting abi solely based on apk 8437 // structure. Try to detect abi based on directory structure. 8438 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8439 pkg.applicationInfo.primaryCpuAbi == null) { 8440 setBundledAppAbisAndRoots(pkg, pkgSetting); 8441 setNativeLibraryPaths(pkg); 8442 } 8443 8444 } else { 8445 if ((scanFlags & SCAN_MOVE) != 0) { 8446 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8447 // but we already have this packages package info in the PackageSetting. We just 8448 // use that and derive the native library path based on the new codepath. 8449 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8450 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8451 } 8452 8453 // Set native library paths again. For moves, the path will be updated based on the 8454 // ABIs we've determined above. For non-moves, the path will be updated based on the 8455 // ABIs we determined during compilation, but the path will depend on the final 8456 // package path (after the rename away from the stage path). 8457 setNativeLibraryPaths(pkg); 8458 } 8459 8460 // This is a special case for the "system" package, where the ABI is 8461 // dictated by the zygote configuration (and init.rc). We should keep track 8462 // of this ABI so that we can deal with "normal" applications that run under 8463 // the same UID correctly. 8464 if (mPlatformPackage == pkg) { 8465 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8466 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8467 } 8468 8469 // If there's a mismatch between the abi-override in the package setting 8470 // and the abiOverride specified for the install. Warn about this because we 8471 // would've already compiled the app without taking the package setting into 8472 // account. 8473 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8474 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8475 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8476 " for package " + pkg.packageName); 8477 } 8478 } 8479 8480 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8481 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8482 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8483 8484 // Copy the derived override back to the parsed package, so that we can 8485 // update the package settings accordingly. 8486 pkg.cpuAbiOverride = cpuAbiOverride; 8487 8488 if (DEBUG_ABI_SELECTION) { 8489 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8490 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8491 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8492 } 8493 8494 // Push the derived path down into PackageSettings so we know what to 8495 // clean up at uninstall time. 8496 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8497 8498 if (DEBUG_ABI_SELECTION) { 8499 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8500 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8501 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8502 } 8503 8504 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8505 // We don't do this here during boot because we can do it all 8506 // at once after scanning all existing packages. 8507 // 8508 // We also do this *before* we perform dexopt on this package, so that 8509 // we can avoid redundant dexopts, and also to make sure we've got the 8510 // code and package path correct. 8511 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8512 pkg, true /* boot complete */); 8513 } 8514 8515 if (mFactoryTest && pkg.requestedPermissions.contains( 8516 android.Manifest.permission.FACTORY_TEST)) { 8517 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8518 } 8519 8520 if (isSystemApp(pkg)) { 8521 pkgSetting.isOrphaned = true; 8522 } 8523 8524 ArrayList<PackageParser.Package> clientLibPkgs = null; 8525 8526 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8527 if (nonMutatedPs != null) { 8528 synchronized (mPackages) { 8529 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8530 } 8531 } 8532 return pkg; 8533 } 8534 8535 // Only privileged apps and updated privileged apps can add child packages. 8536 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8537 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8538 throw new PackageManagerException("Only privileged apps and updated " 8539 + "privileged apps can add child packages. Ignoring package " 8540 + pkg.packageName); 8541 } 8542 final int childCount = pkg.childPackages.size(); 8543 for (int i = 0; i < childCount; i++) { 8544 PackageParser.Package childPkg = pkg.childPackages.get(i); 8545 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8546 childPkg.packageName)) { 8547 throw new PackageManagerException("Cannot override a child package of " 8548 + "another disabled system app. Ignoring package " + pkg.packageName); 8549 } 8550 } 8551 } 8552 8553 // writer 8554 synchronized (mPackages) { 8555 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8556 // Only system apps can add new shared libraries. 8557 if (pkg.libraryNames != null) { 8558 for (int i=0; i<pkg.libraryNames.size(); i++) { 8559 String name = pkg.libraryNames.get(i); 8560 boolean allowed = false; 8561 if (pkg.isUpdatedSystemApp()) { 8562 // New library entries can only be added through the 8563 // system image. This is important to get rid of a lot 8564 // of nasty edge cases: for example if we allowed a non- 8565 // system update of the app to add a library, then uninstalling 8566 // the update would make the library go away, and assumptions 8567 // we made such as through app install filtering would now 8568 // have allowed apps on the device which aren't compatible 8569 // with it. Better to just have the restriction here, be 8570 // conservative, and create many fewer cases that can negatively 8571 // impact the user experience. 8572 final PackageSetting sysPs = mSettings 8573 .getDisabledSystemPkgLPr(pkg.packageName); 8574 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8575 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8576 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8577 allowed = true; 8578 break; 8579 } 8580 } 8581 } 8582 } else { 8583 allowed = true; 8584 } 8585 if (allowed) { 8586 if (!mSharedLibraries.containsKey(name)) { 8587 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8588 } else if (!name.equals(pkg.packageName)) { 8589 Slog.w(TAG, "Package " + pkg.packageName + " library " 8590 + name + " already exists; skipping"); 8591 } 8592 } else { 8593 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8594 + name + " that is not declared on system image; skipping"); 8595 } 8596 } 8597 if ((scanFlags & SCAN_BOOTING) == 0) { 8598 // If we are not booting, we need to update any applications 8599 // that are clients of our shared library. If we are booting, 8600 // this will all be done once the scan is complete. 8601 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8602 } 8603 } 8604 } 8605 } 8606 8607 if ((scanFlags & SCAN_BOOTING) != 0) { 8608 // No apps can run during boot scan, so they don't need to be frozen 8609 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8610 // Caller asked to not kill app, so it's probably not frozen 8611 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8612 // Caller asked us to ignore frozen check for some reason; they 8613 // probably didn't know the package name 8614 } else { 8615 // We're doing major surgery on this package, so it better be frozen 8616 // right now to keep it from launching 8617 checkPackageFrozen(pkgName); 8618 } 8619 8620 // Also need to kill any apps that are dependent on the library. 8621 if (clientLibPkgs != null) { 8622 for (int i=0; i<clientLibPkgs.size(); i++) { 8623 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8624 killApplication(clientPkg.applicationInfo.packageName, 8625 clientPkg.applicationInfo.uid, "update lib"); 8626 } 8627 } 8628 8629 // Make sure we're not adding any bogus keyset info 8630 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8631 ksms.assertScannedPackageValid(pkg); 8632 8633 // writer 8634 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8635 8636 boolean createIdmapFailed = false; 8637 synchronized (mPackages) { 8638 // We don't expect installation to fail beyond this point 8639 8640 if (pkgSetting.pkg != null) { 8641 // Note that |user| might be null during the initial boot scan. If a codePath 8642 // for an app has changed during a boot scan, it's due to an app update that's 8643 // part of the system partition and marker changes must be applied to all users. 8644 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8645 (user != null) ? user : UserHandle.ALL); 8646 } 8647 8648 // Add the new setting to mSettings 8649 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8650 // Add the new setting to mPackages 8651 mPackages.put(pkg.applicationInfo.packageName, pkg); 8652 // Make sure we don't accidentally delete its data. 8653 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8654 while (iter.hasNext()) { 8655 PackageCleanItem item = iter.next(); 8656 if (pkgName.equals(item.packageName)) { 8657 iter.remove(); 8658 } 8659 } 8660 8661 // Take care of first install / last update times. 8662 if (currentTime != 0) { 8663 if (pkgSetting.firstInstallTime == 0) { 8664 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8665 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8666 pkgSetting.lastUpdateTime = currentTime; 8667 } 8668 } else if (pkgSetting.firstInstallTime == 0) { 8669 // We need *something*. Take time time stamp of the file. 8670 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8671 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8672 if (scanFileTime != pkgSetting.timeStamp) { 8673 // A package on the system image has changed; consider this 8674 // to be an update. 8675 pkgSetting.lastUpdateTime = scanFileTime; 8676 } 8677 } 8678 8679 // Add the package's KeySets to the global KeySetManagerService 8680 ksms.addScannedPackageLPw(pkg); 8681 8682 int N = pkg.providers.size(); 8683 StringBuilder r = null; 8684 int i; 8685 for (i=0; i<N; i++) { 8686 PackageParser.Provider p = pkg.providers.get(i); 8687 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8688 p.info.processName, pkg.applicationInfo.uid); 8689 mProviders.addProvider(p); 8690 p.syncable = p.info.isSyncable; 8691 if (p.info.authority != null) { 8692 String names[] = p.info.authority.split(";"); 8693 p.info.authority = null; 8694 for (int j = 0; j < names.length; j++) { 8695 if (j == 1 && p.syncable) { 8696 // We only want the first authority for a provider to possibly be 8697 // syncable, so if we already added this provider using a different 8698 // authority clear the syncable flag. We copy the provider before 8699 // changing it because the mProviders object contains a reference 8700 // to a provider that we don't want to change. 8701 // Only do this for the second authority since the resulting provider 8702 // object can be the same for all future authorities for this provider. 8703 p = new PackageParser.Provider(p); 8704 p.syncable = false; 8705 } 8706 if (!mProvidersByAuthority.containsKey(names[j])) { 8707 mProvidersByAuthority.put(names[j], p); 8708 if (p.info.authority == null) { 8709 p.info.authority = names[j]; 8710 } else { 8711 p.info.authority = p.info.authority + ";" + names[j]; 8712 } 8713 if (DEBUG_PACKAGE_SCANNING) { 8714 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8715 Log.d(TAG, "Registered content provider: " + names[j] 8716 + ", className = " + p.info.name + ", isSyncable = " 8717 + p.info.isSyncable); 8718 } 8719 } else { 8720 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8721 Slog.w(TAG, "Skipping provider name " + names[j] + 8722 " (in package " + pkg.applicationInfo.packageName + 8723 "): name already used by " 8724 + ((other != null && other.getComponentName() != null) 8725 ? other.getComponentName().getPackageName() : "?")); 8726 } 8727 } 8728 } 8729 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8730 if (r == null) { 8731 r = new StringBuilder(256); 8732 } else { 8733 r.append(' '); 8734 } 8735 r.append(p.info.name); 8736 } 8737 } 8738 if (r != null) { 8739 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8740 } 8741 8742 N = pkg.services.size(); 8743 r = null; 8744 for (i=0; i<N; i++) { 8745 PackageParser.Service s = pkg.services.get(i); 8746 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8747 s.info.processName, pkg.applicationInfo.uid); 8748 mServices.addService(s); 8749 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8750 if (r == null) { 8751 r = new StringBuilder(256); 8752 } else { 8753 r.append(' '); 8754 } 8755 r.append(s.info.name); 8756 } 8757 } 8758 if (r != null) { 8759 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8760 } 8761 8762 N = pkg.receivers.size(); 8763 r = null; 8764 for (i=0; i<N; i++) { 8765 PackageParser.Activity a = pkg.receivers.get(i); 8766 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8767 a.info.processName, pkg.applicationInfo.uid); 8768 mReceivers.addActivity(a, "receiver"); 8769 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8770 if (r == null) { 8771 r = new StringBuilder(256); 8772 } else { 8773 r.append(' '); 8774 } 8775 r.append(a.info.name); 8776 } 8777 } 8778 if (r != null) { 8779 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8780 } 8781 8782 N = pkg.activities.size(); 8783 r = null; 8784 for (i=0; i<N; i++) { 8785 PackageParser.Activity a = pkg.activities.get(i); 8786 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8787 a.info.processName, pkg.applicationInfo.uid); 8788 mActivities.addActivity(a, "activity"); 8789 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8790 if (r == null) { 8791 r = new StringBuilder(256); 8792 } else { 8793 r.append(' '); 8794 } 8795 r.append(a.info.name); 8796 } 8797 } 8798 if (r != null) { 8799 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8800 } 8801 8802 N = pkg.permissionGroups.size(); 8803 r = null; 8804 for (i=0; i<N; i++) { 8805 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8806 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8807 final String curPackageName = cur == null ? null : cur.info.packageName; 8808 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 8809 if (cur == null || isPackageUpdate) { 8810 mPermissionGroups.put(pg.info.name, pg); 8811 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8812 if (r == null) { 8813 r = new StringBuilder(256); 8814 } else { 8815 r.append(' '); 8816 } 8817 if (isPackageUpdate) { 8818 r.append("UPD:"); 8819 } 8820 r.append(pg.info.name); 8821 } 8822 } else { 8823 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8824 + pg.info.packageName + " ignored: original from " 8825 + cur.info.packageName); 8826 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8827 if (r == null) { 8828 r = new StringBuilder(256); 8829 } else { 8830 r.append(' '); 8831 } 8832 r.append("DUP:"); 8833 r.append(pg.info.name); 8834 } 8835 } 8836 } 8837 if (r != null) { 8838 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8839 } 8840 8841 N = pkg.permissions.size(); 8842 r = null; 8843 for (i=0; i<N; i++) { 8844 PackageParser.Permission p = pkg.permissions.get(i); 8845 8846 // Assume by default that we did not install this permission into the system. 8847 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8848 8849 // Now that permission groups have a special meaning, we ignore permission 8850 // groups for legacy apps to prevent unexpected behavior. In particular, 8851 // permissions for one app being granted to someone just becase they happen 8852 // to be in a group defined by another app (before this had no implications). 8853 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8854 p.group = mPermissionGroups.get(p.info.group); 8855 // Warn for a permission in an unknown group. 8856 if (p.info.group != null && p.group == null) { 8857 Slog.w(TAG, "Permission " + p.info.name + " from package " 8858 + p.info.packageName + " in an unknown group " + p.info.group); 8859 } 8860 } 8861 8862 ArrayMap<String, BasePermission> permissionMap = 8863 p.tree ? mSettings.mPermissionTrees 8864 : mSettings.mPermissions; 8865 BasePermission bp = permissionMap.get(p.info.name); 8866 8867 // Allow system apps to redefine non-system permissions 8868 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8869 final boolean currentOwnerIsSystem = (bp.perm != null 8870 && isSystemApp(bp.perm.owner)); 8871 if (isSystemApp(p.owner)) { 8872 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8873 // It's a built-in permission and no owner, take ownership now 8874 bp.packageSetting = pkgSetting; 8875 bp.perm = p; 8876 bp.uid = pkg.applicationInfo.uid; 8877 bp.sourcePackage = p.info.packageName; 8878 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8879 } else if (!currentOwnerIsSystem) { 8880 String msg = "New decl " + p.owner + " of permission " 8881 + p.info.name + " is system; overriding " + bp.sourcePackage; 8882 reportSettingsProblem(Log.WARN, msg); 8883 bp = null; 8884 } 8885 } 8886 } 8887 8888 if (bp == null) { 8889 bp = new BasePermission(p.info.name, p.info.packageName, 8890 BasePermission.TYPE_NORMAL); 8891 permissionMap.put(p.info.name, bp); 8892 } 8893 8894 if (bp.perm == null) { 8895 if (bp.sourcePackage == null 8896 || bp.sourcePackage.equals(p.info.packageName)) { 8897 BasePermission tree = findPermissionTreeLP(p.info.name); 8898 if (tree == null 8899 || tree.sourcePackage.equals(p.info.packageName)) { 8900 bp.packageSetting = pkgSetting; 8901 bp.perm = p; 8902 bp.uid = pkg.applicationInfo.uid; 8903 bp.sourcePackage = p.info.packageName; 8904 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8905 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8906 if (r == null) { 8907 r = new StringBuilder(256); 8908 } else { 8909 r.append(' '); 8910 } 8911 r.append(p.info.name); 8912 } 8913 } else { 8914 Slog.w(TAG, "Permission " + p.info.name + " from package " 8915 + p.info.packageName + " ignored: base tree " 8916 + tree.name + " is from package " 8917 + tree.sourcePackage); 8918 } 8919 } else { 8920 Slog.w(TAG, "Permission " + p.info.name + " from package " 8921 + p.info.packageName + " ignored: original from " 8922 + bp.sourcePackage); 8923 } 8924 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8925 if (r == null) { 8926 r = new StringBuilder(256); 8927 } else { 8928 r.append(' '); 8929 } 8930 r.append("DUP:"); 8931 r.append(p.info.name); 8932 } 8933 if (bp.perm == p) { 8934 bp.protectionLevel = p.info.protectionLevel; 8935 } 8936 } 8937 8938 if (r != null) { 8939 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8940 } 8941 8942 N = pkg.instrumentation.size(); 8943 r = null; 8944 for (i=0; i<N; i++) { 8945 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8946 a.info.packageName = pkg.applicationInfo.packageName; 8947 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8948 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8949 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8950 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8951 a.info.dataDir = pkg.applicationInfo.dataDir; 8952 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8953 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8954 8955 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8956 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8957 mInstrumentation.put(a.getComponentName(), a); 8958 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8959 if (r == null) { 8960 r = new StringBuilder(256); 8961 } else { 8962 r.append(' '); 8963 } 8964 r.append(a.info.name); 8965 } 8966 } 8967 if (r != null) { 8968 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8969 } 8970 8971 if (pkg.protectedBroadcasts != null) { 8972 N = pkg.protectedBroadcasts.size(); 8973 for (i=0; i<N; i++) { 8974 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8975 } 8976 } 8977 8978 pkgSetting.setTimeStamp(scanFileTime); 8979 8980 // Create idmap files for pairs of (packages, overlay packages). 8981 // Note: "android", ie framework-res.apk, is handled by native layers. 8982 if (pkg.mOverlayTarget != null) { 8983 // This is an overlay package. 8984 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8985 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8986 mOverlays.put(pkg.mOverlayTarget, 8987 new ArrayMap<String, PackageParser.Package>()); 8988 } 8989 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8990 map.put(pkg.packageName, pkg); 8991 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8992 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8993 createIdmapFailed = true; 8994 } 8995 } 8996 } else if (mOverlays.containsKey(pkg.packageName) && 8997 !pkg.packageName.equals("android")) { 8998 // This is a regular package, with one or more known overlay packages. 8999 createIdmapsForPackageLI(pkg); 9000 } 9001 } 9002 9003 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9004 9005 if (createIdmapFailed) { 9006 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9007 "scanPackageLI failed to createIdmap"); 9008 } 9009 return pkg; 9010 } 9011 9012 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9013 PackageParser.Package update, UserHandle user) { 9014 if (existing.applicationInfo == null || update.applicationInfo == null) { 9015 // This isn't due to an app installation. 9016 return; 9017 } 9018 9019 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9020 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9021 9022 // The codePath hasn't changed, so there's nothing for us to do. 9023 if (Objects.equals(oldCodePath, newCodePath)) { 9024 return; 9025 } 9026 9027 File canonicalNewCodePath; 9028 try { 9029 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9030 } catch (IOException e) { 9031 Slog.w(TAG, "Failed to get canonical path.", e); 9032 return; 9033 } 9034 9035 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9036 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9037 // that the last component of the path (i.e, the name) doesn't need canonicalization 9038 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9039 // but may change in the future. Hopefully this function won't exist at that point. 9040 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9041 oldCodePath.getName()); 9042 9043 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9044 // with "@". 9045 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9046 if (!oldMarkerPrefix.endsWith("@")) { 9047 oldMarkerPrefix += "@"; 9048 } 9049 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9050 if (!newMarkerPrefix.endsWith("@")) { 9051 newMarkerPrefix += "@"; 9052 } 9053 9054 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9055 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9056 for (String updatedPath : updatedPaths) { 9057 String updatedPathName = new File(updatedPath).getName(); 9058 markerSuffixes.add(updatedPathName.replace('/', '@')); 9059 } 9060 9061 for (int userId : resolveUserIds(user.getIdentifier())) { 9062 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9063 9064 for (String markerSuffix : markerSuffixes) { 9065 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9066 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9067 if (oldForeignUseMark.exists()) { 9068 try { 9069 Os.rename(oldForeignUseMark.getAbsolutePath(), 9070 newForeignUseMark.getAbsolutePath()); 9071 } catch (ErrnoException e) { 9072 Slog.w(TAG, "Failed to rename foreign use marker", e); 9073 oldForeignUseMark.delete(); 9074 } 9075 } 9076 } 9077 } 9078 } 9079 9080 /** 9081 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9082 * is derived purely on the basis of the contents of {@code scanFile} and 9083 * {@code cpuAbiOverride}. 9084 * 9085 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9086 */ 9087 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9088 String cpuAbiOverride, boolean extractLibs) 9089 throws PackageManagerException { 9090 // TODO: We can probably be smarter about this stuff. For installed apps, 9091 // we can calculate this information at install time once and for all. For 9092 // system apps, we can probably assume that this information doesn't change 9093 // after the first boot scan. As things stand, we do lots of unnecessary work. 9094 9095 // Give ourselves some initial paths; we'll come back for another 9096 // pass once we've determined ABI below. 9097 setNativeLibraryPaths(pkg); 9098 9099 // We would never need to extract libs for forward-locked and external packages, 9100 // since the container service will do it for us. We shouldn't attempt to 9101 // extract libs from system app when it was not updated. 9102 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9103 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9104 extractLibs = false; 9105 } 9106 9107 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9108 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9109 9110 NativeLibraryHelper.Handle handle = null; 9111 try { 9112 handle = NativeLibraryHelper.Handle.create(pkg); 9113 // TODO(multiArch): This can be null for apps that didn't go through the 9114 // usual installation process. We can calculate it again, like we 9115 // do during install time. 9116 // 9117 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9118 // unnecessary. 9119 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9120 9121 // Null out the abis so that they can be recalculated. 9122 pkg.applicationInfo.primaryCpuAbi = null; 9123 pkg.applicationInfo.secondaryCpuAbi = null; 9124 if (isMultiArch(pkg.applicationInfo)) { 9125 // Warn if we've set an abiOverride for multi-lib packages.. 9126 // By definition, we need to copy both 32 and 64 bit libraries for 9127 // such packages. 9128 if (pkg.cpuAbiOverride != null 9129 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9130 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9131 } 9132 9133 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9134 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9135 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9136 if (extractLibs) { 9137 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9138 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9139 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9140 useIsaSpecificSubdirs); 9141 } else { 9142 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9143 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9144 } 9145 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9146 } 9147 9148 maybeThrowExceptionForMultiArchCopy( 9149 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9150 9151 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9152 if (extractLibs) { 9153 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9154 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9155 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9156 useIsaSpecificSubdirs); 9157 } else { 9158 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9159 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9160 } 9161 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9162 } 9163 9164 maybeThrowExceptionForMultiArchCopy( 9165 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9166 9167 if (abi64 >= 0) { 9168 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9169 } 9170 9171 if (abi32 >= 0) { 9172 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9173 if (abi64 >= 0) { 9174 if (pkg.use32bitAbi) { 9175 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9176 pkg.applicationInfo.primaryCpuAbi = abi; 9177 } else { 9178 pkg.applicationInfo.secondaryCpuAbi = abi; 9179 } 9180 } else { 9181 pkg.applicationInfo.primaryCpuAbi = abi; 9182 } 9183 } 9184 9185 } else { 9186 String[] abiList = (cpuAbiOverride != null) ? 9187 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9188 9189 // Enable gross and lame hacks for apps that are built with old 9190 // SDK tools. We must scan their APKs for renderscript bitcode and 9191 // not launch them if it's present. Don't bother checking on devices 9192 // that don't have 64 bit support. 9193 boolean needsRenderScriptOverride = false; 9194 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9195 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9196 abiList = Build.SUPPORTED_32_BIT_ABIS; 9197 needsRenderScriptOverride = true; 9198 } 9199 9200 final int copyRet; 9201 if (extractLibs) { 9202 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9203 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9204 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9205 } else { 9206 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9207 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9208 } 9209 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9210 9211 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9212 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9213 "Error unpackaging native libs for app, errorCode=" + copyRet); 9214 } 9215 9216 if (copyRet >= 0) { 9217 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9218 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9219 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9220 } else if (needsRenderScriptOverride) { 9221 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9222 } 9223 } 9224 } catch (IOException ioe) { 9225 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9226 } finally { 9227 IoUtils.closeQuietly(handle); 9228 } 9229 9230 // Now that we've calculated the ABIs and determined if it's an internal app, 9231 // we will go ahead and populate the nativeLibraryPath. 9232 setNativeLibraryPaths(pkg); 9233 } 9234 9235 /** 9236 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9237 * i.e, so that all packages can be run inside a single process if required. 9238 * 9239 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9240 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9241 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9242 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9243 * updating a package that belongs to a shared user. 9244 * 9245 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9246 * adds unnecessary complexity. 9247 */ 9248 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9249 PackageParser.Package scannedPackage, boolean bootComplete) { 9250 String requiredInstructionSet = null; 9251 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9252 requiredInstructionSet = VMRuntime.getInstructionSet( 9253 scannedPackage.applicationInfo.primaryCpuAbi); 9254 } 9255 9256 PackageSetting requirer = null; 9257 for (PackageSetting ps : packagesForUser) { 9258 // If packagesForUser contains scannedPackage, we skip it. This will happen 9259 // when scannedPackage is an update of an existing package. Without this check, 9260 // we will never be able to change the ABI of any package belonging to a shared 9261 // user, even if it's compatible with other packages. 9262 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9263 if (ps.primaryCpuAbiString == null) { 9264 continue; 9265 } 9266 9267 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9268 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9269 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9270 // this but there's not much we can do. 9271 String errorMessage = "Instruction set mismatch, " 9272 + ((requirer == null) ? "[caller]" : requirer) 9273 + " requires " + requiredInstructionSet + " whereas " + ps 9274 + " requires " + instructionSet; 9275 Slog.w(TAG, errorMessage); 9276 } 9277 9278 if (requiredInstructionSet == null) { 9279 requiredInstructionSet = instructionSet; 9280 requirer = ps; 9281 } 9282 } 9283 } 9284 9285 if (requiredInstructionSet != null) { 9286 String adjustedAbi; 9287 if (requirer != null) { 9288 // requirer != null implies that either scannedPackage was null or that scannedPackage 9289 // did not require an ABI, in which case we have to adjust scannedPackage to match 9290 // the ABI of the set (which is the same as requirer's ABI) 9291 adjustedAbi = requirer.primaryCpuAbiString; 9292 if (scannedPackage != null) { 9293 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9294 } 9295 } else { 9296 // requirer == null implies that we're updating all ABIs in the set to 9297 // match scannedPackage. 9298 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9299 } 9300 9301 for (PackageSetting ps : packagesForUser) { 9302 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9303 if (ps.primaryCpuAbiString != null) { 9304 continue; 9305 } 9306 9307 ps.primaryCpuAbiString = adjustedAbi; 9308 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9309 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9310 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9311 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9312 + " (requirer=" 9313 + (requirer == null ? "null" : requirer.pkg.packageName) 9314 + ", scannedPackage=" 9315 + (scannedPackage != null ? scannedPackage.packageName : "null") 9316 + ")"); 9317 try { 9318 mInstaller.rmdex(ps.codePathString, 9319 getDexCodeInstructionSet(getPreferredInstructionSet())); 9320 } catch (InstallerException ignored) { 9321 } 9322 } 9323 } 9324 } 9325 } 9326 } 9327 9328 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9329 synchronized (mPackages) { 9330 mResolverReplaced = true; 9331 // Set up information for custom user intent resolution activity. 9332 mResolveActivity.applicationInfo = pkg.applicationInfo; 9333 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9334 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9335 mResolveActivity.processName = pkg.applicationInfo.packageName; 9336 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9337 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9338 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9339 mResolveActivity.theme = 0; 9340 mResolveActivity.exported = true; 9341 mResolveActivity.enabled = true; 9342 mResolveInfo.activityInfo = mResolveActivity; 9343 mResolveInfo.priority = 0; 9344 mResolveInfo.preferredOrder = 0; 9345 mResolveInfo.match = 0; 9346 mResolveComponentName = mCustomResolverComponentName; 9347 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9348 mResolveComponentName); 9349 } 9350 } 9351 9352 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9353 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9354 9355 // Set up information for ephemeral installer activity 9356 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9357 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9358 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9359 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9360 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9361 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9362 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9363 mEphemeralInstallerActivity.theme = 0; 9364 mEphemeralInstallerActivity.exported = true; 9365 mEphemeralInstallerActivity.enabled = true; 9366 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9367 mEphemeralInstallerInfo.priority = 0; 9368 mEphemeralInstallerInfo.preferredOrder = 1; 9369 mEphemeralInstallerInfo.isDefault = true; 9370 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9371 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9372 9373 if (DEBUG_EPHEMERAL) { 9374 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9375 } 9376 } 9377 9378 private static String calculateBundledApkRoot(final String codePathString) { 9379 final File codePath = new File(codePathString); 9380 final File codeRoot; 9381 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9382 codeRoot = Environment.getRootDirectory(); 9383 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9384 codeRoot = Environment.getOemDirectory(); 9385 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9386 codeRoot = Environment.getVendorDirectory(); 9387 } else { 9388 // Unrecognized code path; take its top real segment as the apk root: 9389 // e.g. /something/app/blah.apk => /something 9390 try { 9391 File f = codePath.getCanonicalFile(); 9392 File parent = f.getParentFile(); // non-null because codePath is a file 9393 File tmp; 9394 while ((tmp = parent.getParentFile()) != null) { 9395 f = parent; 9396 parent = tmp; 9397 } 9398 codeRoot = f; 9399 Slog.w(TAG, "Unrecognized code path " 9400 + codePath + " - using " + codeRoot); 9401 } catch (IOException e) { 9402 // Can't canonicalize the code path -- shenanigans? 9403 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9404 return Environment.getRootDirectory().getPath(); 9405 } 9406 } 9407 return codeRoot.getPath(); 9408 } 9409 9410 /** 9411 * Derive and set the location of native libraries for the given package, 9412 * which varies depending on where and how the package was installed. 9413 */ 9414 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9415 final ApplicationInfo info = pkg.applicationInfo; 9416 final String codePath = pkg.codePath; 9417 final File codeFile = new File(codePath); 9418 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9419 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9420 9421 info.nativeLibraryRootDir = null; 9422 info.nativeLibraryRootRequiresIsa = false; 9423 info.nativeLibraryDir = null; 9424 info.secondaryNativeLibraryDir = null; 9425 9426 if (isApkFile(codeFile)) { 9427 // Monolithic install 9428 if (bundledApp) { 9429 // If "/system/lib64/apkname" exists, assume that is the per-package 9430 // native library directory to use; otherwise use "/system/lib/apkname". 9431 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9432 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9433 getPrimaryInstructionSet(info)); 9434 9435 // This is a bundled system app so choose the path based on the ABI. 9436 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9437 // is just the default path. 9438 final String apkName = deriveCodePathName(codePath); 9439 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9440 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9441 apkName).getAbsolutePath(); 9442 9443 if (info.secondaryCpuAbi != null) { 9444 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9445 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9446 secondaryLibDir, apkName).getAbsolutePath(); 9447 } 9448 } else if (asecApp) { 9449 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9450 .getAbsolutePath(); 9451 } else { 9452 final String apkName = deriveCodePathName(codePath); 9453 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9454 .getAbsolutePath(); 9455 } 9456 9457 info.nativeLibraryRootRequiresIsa = false; 9458 info.nativeLibraryDir = info.nativeLibraryRootDir; 9459 } else { 9460 // Cluster install 9461 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9462 info.nativeLibraryRootRequiresIsa = true; 9463 9464 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9465 getPrimaryInstructionSet(info)).getAbsolutePath(); 9466 9467 if (info.secondaryCpuAbi != null) { 9468 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9469 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9470 } 9471 } 9472 } 9473 9474 /** 9475 * Calculate the abis and roots for a bundled app. These can uniquely 9476 * be determined from the contents of the system partition, i.e whether 9477 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9478 * of this information, and instead assume that the system was built 9479 * sensibly. 9480 */ 9481 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9482 PackageSetting pkgSetting) { 9483 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9484 9485 // If "/system/lib64/apkname" exists, assume that is the per-package 9486 // native library directory to use; otherwise use "/system/lib/apkname". 9487 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9488 setBundledAppAbi(pkg, apkRoot, apkName); 9489 // pkgSetting might be null during rescan following uninstall of updates 9490 // to a bundled app, so accommodate that possibility. The settings in 9491 // that case will be established later from the parsed package. 9492 // 9493 // If the settings aren't null, sync them up with what we've just derived. 9494 // note that apkRoot isn't stored in the package settings. 9495 if (pkgSetting != null) { 9496 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9497 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9498 } 9499 } 9500 9501 /** 9502 * Deduces the ABI of a bundled app and sets the relevant fields on the 9503 * parsed pkg object. 9504 * 9505 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9506 * under which system libraries are installed. 9507 * @param apkName the name of the installed package. 9508 */ 9509 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9510 final File codeFile = new File(pkg.codePath); 9511 9512 final boolean has64BitLibs; 9513 final boolean has32BitLibs; 9514 if (isApkFile(codeFile)) { 9515 // Monolithic install 9516 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9517 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9518 } else { 9519 // Cluster install 9520 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9521 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9522 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9523 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9524 has64BitLibs = (new File(rootDir, isa)).exists(); 9525 } else { 9526 has64BitLibs = false; 9527 } 9528 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9529 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9530 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9531 has32BitLibs = (new File(rootDir, isa)).exists(); 9532 } else { 9533 has32BitLibs = false; 9534 } 9535 } 9536 9537 if (has64BitLibs && !has32BitLibs) { 9538 // The package has 64 bit libs, but not 32 bit libs. Its primary 9539 // ABI should be 64 bit. We can safely assume here that the bundled 9540 // native libraries correspond to the most preferred ABI in the list. 9541 9542 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9543 pkg.applicationInfo.secondaryCpuAbi = null; 9544 } else if (has32BitLibs && !has64BitLibs) { 9545 // The package has 32 bit libs but not 64 bit libs. Its primary 9546 // ABI should be 32 bit. 9547 9548 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9549 pkg.applicationInfo.secondaryCpuAbi = null; 9550 } else if (has32BitLibs && has64BitLibs) { 9551 // The application has both 64 and 32 bit bundled libraries. We check 9552 // here that the app declares multiArch support, and warn if it doesn't. 9553 // 9554 // We will be lenient here and record both ABIs. The primary will be the 9555 // ABI that's higher on the list, i.e, a device that's configured to prefer 9556 // 64 bit apps will see a 64 bit primary ABI, 9557 9558 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9559 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9560 } 9561 9562 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9563 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9564 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9565 } else { 9566 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9567 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9568 } 9569 } else { 9570 pkg.applicationInfo.primaryCpuAbi = null; 9571 pkg.applicationInfo.secondaryCpuAbi = null; 9572 } 9573 } 9574 9575 private void killApplication(String pkgName, int appId, String reason) { 9576 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9577 } 9578 9579 private void killApplication(String pkgName, int appId, int userId, String reason) { 9580 // Request the ActivityManager to kill the process(only for existing packages) 9581 // so that we do not end up in a confused state while the user is still using the older 9582 // version of the application while the new one gets installed. 9583 final long token = Binder.clearCallingIdentity(); 9584 try { 9585 IActivityManager am = ActivityManagerNative.getDefault(); 9586 if (am != null) { 9587 try { 9588 am.killApplication(pkgName, appId, userId, reason); 9589 } catch (RemoteException e) { 9590 } 9591 } 9592 } finally { 9593 Binder.restoreCallingIdentity(token); 9594 } 9595 } 9596 9597 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9598 // Remove the parent package setting 9599 PackageSetting ps = (PackageSetting) pkg.mExtras; 9600 if (ps != null) { 9601 removePackageLI(ps, chatty); 9602 } 9603 // Remove the child package setting 9604 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9605 for (int i = 0; i < childCount; i++) { 9606 PackageParser.Package childPkg = pkg.childPackages.get(i); 9607 ps = (PackageSetting) childPkg.mExtras; 9608 if (ps != null) { 9609 removePackageLI(ps, chatty); 9610 } 9611 } 9612 } 9613 9614 void removePackageLI(PackageSetting ps, boolean chatty) { 9615 if (DEBUG_INSTALL) { 9616 if (chatty) 9617 Log.d(TAG, "Removing package " + ps.name); 9618 } 9619 9620 // writer 9621 synchronized (mPackages) { 9622 mPackages.remove(ps.name); 9623 final PackageParser.Package pkg = ps.pkg; 9624 if (pkg != null) { 9625 cleanPackageDataStructuresLILPw(pkg, chatty); 9626 } 9627 } 9628 } 9629 9630 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9631 if (DEBUG_INSTALL) { 9632 if (chatty) 9633 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9634 } 9635 9636 // writer 9637 synchronized (mPackages) { 9638 // Remove the parent package 9639 mPackages.remove(pkg.applicationInfo.packageName); 9640 cleanPackageDataStructuresLILPw(pkg, chatty); 9641 9642 // Remove the child packages 9643 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9644 for (int i = 0; i < childCount; i++) { 9645 PackageParser.Package childPkg = pkg.childPackages.get(i); 9646 mPackages.remove(childPkg.applicationInfo.packageName); 9647 cleanPackageDataStructuresLILPw(childPkg, chatty); 9648 } 9649 } 9650 } 9651 9652 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9653 int N = pkg.providers.size(); 9654 StringBuilder r = null; 9655 int i; 9656 for (i=0; i<N; i++) { 9657 PackageParser.Provider p = pkg.providers.get(i); 9658 mProviders.removeProvider(p); 9659 if (p.info.authority == null) { 9660 9661 /* There was another ContentProvider with this authority when 9662 * this app was installed so this authority is null, 9663 * Ignore it as we don't have to unregister the provider. 9664 */ 9665 continue; 9666 } 9667 String names[] = p.info.authority.split(";"); 9668 for (int j = 0; j < names.length; j++) { 9669 if (mProvidersByAuthority.get(names[j]) == p) { 9670 mProvidersByAuthority.remove(names[j]); 9671 if (DEBUG_REMOVE) { 9672 if (chatty) 9673 Log.d(TAG, "Unregistered content provider: " + names[j] 9674 + ", className = " + p.info.name + ", isSyncable = " 9675 + p.info.isSyncable); 9676 } 9677 } 9678 } 9679 if (DEBUG_REMOVE && chatty) { 9680 if (r == null) { 9681 r = new StringBuilder(256); 9682 } else { 9683 r.append(' '); 9684 } 9685 r.append(p.info.name); 9686 } 9687 } 9688 if (r != null) { 9689 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9690 } 9691 9692 N = pkg.services.size(); 9693 r = null; 9694 for (i=0; i<N; i++) { 9695 PackageParser.Service s = pkg.services.get(i); 9696 mServices.removeService(s); 9697 if (chatty) { 9698 if (r == null) { 9699 r = new StringBuilder(256); 9700 } else { 9701 r.append(' '); 9702 } 9703 r.append(s.info.name); 9704 } 9705 } 9706 if (r != null) { 9707 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9708 } 9709 9710 N = pkg.receivers.size(); 9711 r = null; 9712 for (i=0; i<N; i++) { 9713 PackageParser.Activity a = pkg.receivers.get(i); 9714 mReceivers.removeActivity(a, "receiver"); 9715 if (DEBUG_REMOVE && chatty) { 9716 if (r == null) { 9717 r = new StringBuilder(256); 9718 } else { 9719 r.append(' '); 9720 } 9721 r.append(a.info.name); 9722 } 9723 } 9724 if (r != null) { 9725 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9726 } 9727 9728 N = pkg.activities.size(); 9729 r = null; 9730 for (i=0; i<N; i++) { 9731 PackageParser.Activity a = pkg.activities.get(i); 9732 mActivities.removeActivity(a, "activity"); 9733 if (DEBUG_REMOVE && chatty) { 9734 if (r == null) { 9735 r = new StringBuilder(256); 9736 } else { 9737 r.append(' '); 9738 } 9739 r.append(a.info.name); 9740 } 9741 } 9742 if (r != null) { 9743 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9744 } 9745 9746 N = pkg.permissions.size(); 9747 r = null; 9748 for (i=0; i<N; i++) { 9749 PackageParser.Permission p = pkg.permissions.get(i); 9750 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9751 if (bp == null) { 9752 bp = mSettings.mPermissionTrees.get(p.info.name); 9753 } 9754 if (bp != null && bp.perm == p) { 9755 bp.perm = null; 9756 if (DEBUG_REMOVE && chatty) { 9757 if (r == null) { 9758 r = new StringBuilder(256); 9759 } else { 9760 r.append(' '); 9761 } 9762 r.append(p.info.name); 9763 } 9764 } 9765 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9766 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9767 if (appOpPkgs != null) { 9768 appOpPkgs.remove(pkg.packageName); 9769 } 9770 } 9771 } 9772 if (r != null) { 9773 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9774 } 9775 9776 N = pkg.requestedPermissions.size(); 9777 r = null; 9778 for (i=0; i<N; i++) { 9779 String perm = pkg.requestedPermissions.get(i); 9780 BasePermission bp = mSettings.mPermissions.get(perm); 9781 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9782 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9783 if (appOpPkgs != null) { 9784 appOpPkgs.remove(pkg.packageName); 9785 if (appOpPkgs.isEmpty()) { 9786 mAppOpPermissionPackages.remove(perm); 9787 } 9788 } 9789 } 9790 } 9791 if (r != null) { 9792 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9793 } 9794 9795 N = pkg.instrumentation.size(); 9796 r = null; 9797 for (i=0; i<N; i++) { 9798 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9799 mInstrumentation.remove(a.getComponentName()); 9800 if (DEBUG_REMOVE && chatty) { 9801 if (r == null) { 9802 r = new StringBuilder(256); 9803 } else { 9804 r.append(' '); 9805 } 9806 r.append(a.info.name); 9807 } 9808 } 9809 if (r != null) { 9810 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9811 } 9812 9813 r = null; 9814 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9815 // Only system apps can hold shared libraries. 9816 if (pkg.libraryNames != null) { 9817 for (i=0; i<pkg.libraryNames.size(); i++) { 9818 String name = pkg.libraryNames.get(i); 9819 SharedLibraryEntry cur = mSharedLibraries.get(name); 9820 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9821 mSharedLibraries.remove(name); 9822 if (DEBUG_REMOVE && chatty) { 9823 if (r == null) { 9824 r = new StringBuilder(256); 9825 } else { 9826 r.append(' '); 9827 } 9828 r.append(name); 9829 } 9830 } 9831 } 9832 } 9833 } 9834 if (r != null) { 9835 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9836 } 9837 } 9838 9839 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9840 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9841 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9842 return true; 9843 } 9844 } 9845 return false; 9846 } 9847 9848 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9849 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9850 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9851 9852 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9853 // Update the parent permissions 9854 updatePermissionsLPw(pkg.packageName, pkg, flags); 9855 // Update the child permissions 9856 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9857 for (int i = 0; i < childCount; i++) { 9858 PackageParser.Package childPkg = pkg.childPackages.get(i); 9859 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9860 } 9861 } 9862 9863 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9864 int flags) { 9865 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9866 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9867 } 9868 9869 private void updatePermissionsLPw(String changingPkg, 9870 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9871 // Make sure there are no dangling permission trees. 9872 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9873 while (it.hasNext()) { 9874 final BasePermission bp = it.next(); 9875 if (bp.packageSetting == null) { 9876 // We may not yet have parsed the package, so just see if 9877 // we still know about its settings. 9878 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9879 } 9880 if (bp.packageSetting == null) { 9881 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9882 + " from package " + bp.sourcePackage); 9883 it.remove(); 9884 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9885 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9886 Slog.i(TAG, "Removing old permission tree: " + bp.name 9887 + " from package " + bp.sourcePackage); 9888 flags |= UPDATE_PERMISSIONS_ALL; 9889 it.remove(); 9890 } 9891 } 9892 } 9893 9894 // Make sure all dynamic permissions have been assigned to a package, 9895 // and make sure there are no dangling permissions. 9896 it = mSettings.mPermissions.values().iterator(); 9897 while (it.hasNext()) { 9898 final BasePermission bp = it.next(); 9899 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9900 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9901 + bp.name + " pkg=" + bp.sourcePackage 9902 + " info=" + bp.pendingInfo); 9903 if (bp.packageSetting == null && bp.pendingInfo != null) { 9904 final BasePermission tree = findPermissionTreeLP(bp.name); 9905 if (tree != null && tree.perm != null) { 9906 bp.packageSetting = tree.packageSetting; 9907 bp.perm = new PackageParser.Permission(tree.perm.owner, 9908 new PermissionInfo(bp.pendingInfo)); 9909 bp.perm.info.packageName = tree.perm.info.packageName; 9910 bp.perm.info.name = bp.name; 9911 bp.uid = tree.uid; 9912 } 9913 } 9914 } 9915 if (bp.packageSetting == null) { 9916 // We may not yet have parsed the package, so just see if 9917 // we still know about its settings. 9918 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9919 } 9920 if (bp.packageSetting == null) { 9921 Slog.w(TAG, "Removing dangling permission: " + bp.name 9922 + " from package " + bp.sourcePackage); 9923 it.remove(); 9924 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9925 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9926 Slog.i(TAG, "Removing old permission: " + bp.name 9927 + " from package " + bp.sourcePackage); 9928 flags |= UPDATE_PERMISSIONS_ALL; 9929 it.remove(); 9930 } 9931 } 9932 } 9933 9934 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9935 // Now update the permissions for all packages, in particular 9936 // replace the granted permissions of the system packages. 9937 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9938 for (PackageParser.Package pkg : mPackages.values()) { 9939 if (pkg != pkgInfo) { 9940 // Only replace for packages on requested volume 9941 final String volumeUuid = getVolumeUuidForPackage(pkg); 9942 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9943 && Objects.equals(replaceVolumeUuid, volumeUuid); 9944 grantPermissionsLPw(pkg, replace, changingPkg); 9945 } 9946 } 9947 } 9948 9949 if (pkgInfo != null) { 9950 // Only replace for packages on requested volume 9951 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9952 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9953 && Objects.equals(replaceVolumeUuid, volumeUuid); 9954 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9955 } 9956 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9957 } 9958 9959 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9960 String packageOfInterest) { 9961 // IMPORTANT: There are two types of permissions: install and runtime. 9962 // Install time permissions are granted when the app is installed to 9963 // all device users and users added in the future. Runtime permissions 9964 // are granted at runtime explicitly to specific users. Normal and signature 9965 // protected permissions are install time permissions. Dangerous permissions 9966 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9967 // otherwise they are runtime permissions. This function does not manage 9968 // runtime permissions except for the case an app targeting Lollipop MR1 9969 // being upgraded to target a newer SDK, in which case dangerous permissions 9970 // are transformed from install time to runtime ones. 9971 9972 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9973 if (ps == null) { 9974 return; 9975 } 9976 9977 PermissionsState permissionsState = ps.getPermissionsState(); 9978 PermissionsState origPermissions = permissionsState; 9979 9980 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9981 9982 boolean runtimePermissionsRevoked = false; 9983 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9984 9985 boolean changedInstallPermission = false; 9986 9987 if (replace) { 9988 ps.installPermissionsFixed = false; 9989 if (!ps.isSharedUser()) { 9990 origPermissions = new PermissionsState(permissionsState); 9991 permissionsState.reset(); 9992 } else { 9993 // We need to know only about runtime permission changes since the 9994 // calling code always writes the install permissions state but 9995 // the runtime ones are written only if changed. The only cases of 9996 // changed runtime permissions here are promotion of an install to 9997 // runtime and revocation of a runtime from a shared user. 9998 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9999 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10000 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10001 runtimePermissionsRevoked = true; 10002 } 10003 } 10004 } 10005 10006 permissionsState.setGlobalGids(mGlobalGids); 10007 10008 final int N = pkg.requestedPermissions.size(); 10009 for (int i=0; i<N; i++) { 10010 final String name = pkg.requestedPermissions.get(i); 10011 final BasePermission bp = mSettings.mPermissions.get(name); 10012 10013 if (DEBUG_INSTALL) { 10014 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10015 } 10016 10017 if (bp == null || bp.packageSetting == null) { 10018 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10019 Slog.w(TAG, "Unknown permission " + name 10020 + " in package " + pkg.packageName); 10021 } 10022 continue; 10023 } 10024 10025 final String perm = bp.name; 10026 boolean allowedSig = false; 10027 int grant = GRANT_DENIED; 10028 10029 // Keep track of app op permissions. 10030 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10031 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10032 if (pkgs == null) { 10033 pkgs = new ArraySet<>(); 10034 mAppOpPermissionPackages.put(bp.name, pkgs); 10035 } 10036 pkgs.add(pkg.packageName); 10037 } 10038 10039 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10040 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10041 >= Build.VERSION_CODES.M; 10042 switch (level) { 10043 case PermissionInfo.PROTECTION_NORMAL: { 10044 // For all apps normal permissions are install time ones. 10045 grant = GRANT_INSTALL; 10046 } break; 10047 10048 case PermissionInfo.PROTECTION_DANGEROUS: { 10049 // If a permission review is required for legacy apps we represent 10050 // their permissions as always granted runtime ones since we need 10051 // to keep the review required permission flag per user while an 10052 // install permission's state is shared across all users. 10053 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 10054 // For legacy apps dangerous permissions are install time ones. 10055 grant = GRANT_INSTALL; 10056 } else if (origPermissions.hasInstallPermission(bp.name)) { 10057 // For legacy apps that became modern, install becomes runtime. 10058 grant = GRANT_UPGRADE; 10059 } else if (mPromoteSystemApps 10060 && isSystemApp(ps) 10061 && mExistingSystemPackages.contains(ps.name)) { 10062 // For legacy system apps, install becomes runtime. 10063 // We cannot check hasInstallPermission() for system apps since those 10064 // permissions were granted implicitly and not persisted pre-M. 10065 grant = GRANT_UPGRADE; 10066 } else { 10067 // For modern apps keep runtime permissions unchanged. 10068 grant = GRANT_RUNTIME; 10069 } 10070 } break; 10071 10072 case PermissionInfo.PROTECTION_SIGNATURE: { 10073 // For all apps signature permissions are install time ones. 10074 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10075 if (allowedSig) { 10076 grant = GRANT_INSTALL; 10077 } 10078 } break; 10079 } 10080 10081 if (DEBUG_INSTALL) { 10082 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10083 } 10084 10085 if (grant != GRANT_DENIED) { 10086 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10087 // If this is an existing, non-system package, then 10088 // we can't add any new permissions to it. 10089 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10090 // Except... if this is a permission that was added 10091 // to the platform (note: need to only do this when 10092 // updating the platform). 10093 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10094 grant = GRANT_DENIED; 10095 } 10096 } 10097 } 10098 10099 switch (grant) { 10100 case GRANT_INSTALL: { 10101 // Revoke this as runtime permission to handle the case of 10102 // a runtime permission being downgraded to an install one. 10103 // Also in permission review mode we keep dangerous permissions 10104 // for legacy apps 10105 for (int userId : UserManagerService.getInstance().getUserIds()) { 10106 if (origPermissions.getRuntimePermissionState( 10107 bp.name, userId) != null) { 10108 // Revoke the runtime permission and clear the flags. 10109 origPermissions.revokeRuntimePermission(bp, userId); 10110 origPermissions.updatePermissionFlags(bp, userId, 10111 PackageManager.MASK_PERMISSION_FLAGS, 0); 10112 // If we revoked a permission permission, we have to write. 10113 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10114 changedRuntimePermissionUserIds, userId); 10115 } 10116 } 10117 // Grant an install permission. 10118 if (permissionsState.grantInstallPermission(bp) != 10119 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10120 changedInstallPermission = true; 10121 } 10122 } break; 10123 10124 case GRANT_RUNTIME: { 10125 // Grant previously granted runtime permissions. 10126 for (int userId : UserManagerService.getInstance().getUserIds()) { 10127 PermissionState permissionState = origPermissions 10128 .getRuntimePermissionState(bp.name, userId); 10129 int flags = permissionState != null 10130 ? permissionState.getFlags() : 0; 10131 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10132 if (permissionsState.grantRuntimePermission(bp, userId) == 10133 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10134 // If we cannot put the permission as it was, we have to write. 10135 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10136 changedRuntimePermissionUserIds, userId); 10137 } 10138 // If the app supports runtime permissions no need for a review. 10139 if (mPermissionReviewRequired 10140 && appSupportsRuntimePermissions 10141 && (flags & PackageManager 10142 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10143 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10144 // Since we changed the flags, we have to write. 10145 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10146 changedRuntimePermissionUserIds, userId); 10147 } 10148 } else if (mPermissionReviewRequired 10149 && !appSupportsRuntimePermissions) { 10150 // For legacy apps that need a permission review, every new 10151 // runtime permission is granted but it is pending a review. 10152 // We also need to review only platform defined runtime 10153 // permissions as these are the only ones the platform knows 10154 // how to disable the API to simulate revocation as legacy 10155 // apps don't expect to run with revoked permissions. 10156 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10157 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10158 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10159 // We changed the flags, hence have to write. 10160 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10161 changedRuntimePermissionUserIds, userId); 10162 } 10163 } 10164 if (permissionsState.grantRuntimePermission(bp, userId) 10165 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10166 // We changed the permission, hence have to write. 10167 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10168 changedRuntimePermissionUserIds, userId); 10169 } 10170 } 10171 // Propagate the permission flags. 10172 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10173 } 10174 } break; 10175 10176 case GRANT_UPGRADE: { 10177 // Grant runtime permissions for a previously held install permission. 10178 PermissionState permissionState = origPermissions 10179 .getInstallPermissionState(bp.name); 10180 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10181 10182 if (origPermissions.revokeInstallPermission(bp) 10183 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10184 // We will be transferring the permission flags, so clear them. 10185 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10186 PackageManager.MASK_PERMISSION_FLAGS, 0); 10187 changedInstallPermission = true; 10188 } 10189 10190 // If the permission is not to be promoted to runtime we ignore it and 10191 // also its other flags as they are not applicable to install permissions. 10192 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10193 for (int userId : currentUserIds) { 10194 if (permissionsState.grantRuntimePermission(bp, userId) != 10195 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10196 // Transfer the permission flags. 10197 permissionsState.updatePermissionFlags(bp, userId, 10198 flags, flags); 10199 // If we granted the permission, we have to write. 10200 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10201 changedRuntimePermissionUserIds, userId); 10202 } 10203 } 10204 } 10205 } break; 10206 10207 default: { 10208 if (packageOfInterest == null 10209 || packageOfInterest.equals(pkg.packageName)) { 10210 Slog.w(TAG, "Not granting permission " + perm 10211 + " to package " + pkg.packageName 10212 + " because it was previously installed without"); 10213 } 10214 } break; 10215 } 10216 } else { 10217 if (permissionsState.revokeInstallPermission(bp) != 10218 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10219 // Also drop the permission flags. 10220 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10221 PackageManager.MASK_PERMISSION_FLAGS, 0); 10222 changedInstallPermission = true; 10223 Slog.i(TAG, "Un-granting permission " + perm 10224 + " from package " + pkg.packageName 10225 + " (protectionLevel=" + bp.protectionLevel 10226 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10227 + ")"); 10228 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10229 // Don't print warning for app op permissions, since it is fine for them 10230 // not to be granted, there is a UI for the user to decide. 10231 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10232 Slog.w(TAG, "Not granting permission " + perm 10233 + " to package " + pkg.packageName 10234 + " (protectionLevel=" + bp.protectionLevel 10235 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10236 + ")"); 10237 } 10238 } 10239 } 10240 } 10241 10242 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10243 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10244 // This is the first that we have heard about this package, so the 10245 // permissions we have now selected are fixed until explicitly 10246 // changed. 10247 ps.installPermissionsFixed = true; 10248 } 10249 10250 // Persist the runtime permissions state for users with changes. If permissions 10251 // were revoked because no app in the shared user declares them we have to 10252 // write synchronously to avoid losing runtime permissions state. 10253 for (int userId : changedRuntimePermissionUserIds) { 10254 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10255 } 10256 } 10257 10258 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10259 boolean allowed = false; 10260 final int NP = PackageParser.NEW_PERMISSIONS.length; 10261 for (int ip=0; ip<NP; ip++) { 10262 final PackageParser.NewPermissionInfo npi 10263 = PackageParser.NEW_PERMISSIONS[ip]; 10264 if (npi.name.equals(perm) 10265 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10266 allowed = true; 10267 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10268 + pkg.packageName); 10269 break; 10270 } 10271 } 10272 return allowed; 10273 } 10274 10275 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10276 BasePermission bp, PermissionsState origPermissions) { 10277 boolean allowed; 10278 allowed = (compareSignatures( 10279 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10280 == PackageManager.SIGNATURE_MATCH) 10281 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10282 == PackageManager.SIGNATURE_MATCH); 10283 if (!allowed && (bp.protectionLevel 10284 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10285 if (isSystemApp(pkg)) { 10286 // For updated system applications, a system permission 10287 // is granted only if it had been defined by the original application. 10288 if (pkg.isUpdatedSystemApp()) { 10289 final PackageSetting sysPs = mSettings 10290 .getDisabledSystemPkgLPr(pkg.packageName); 10291 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10292 // If the original was granted this permission, we take 10293 // that grant decision as read and propagate it to the 10294 // update. 10295 if (sysPs.isPrivileged()) { 10296 allowed = true; 10297 } 10298 } else { 10299 // The system apk may have been updated with an older 10300 // version of the one on the data partition, but which 10301 // granted a new system permission that it didn't have 10302 // before. In this case we do want to allow the app to 10303 // now get the new permission if the ancestral apk is 10304 // privileged to get it. 10305 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10306 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10307 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10308 allowed = true; 10309 break; 10310 } 10311 } 10312 } 10313 // Also if a privileged parent package on the system image or any of 10314 // its children requested a privileged permission, the updated child 10315 // packages can also get the permission. 10316 if (pkg.parentPackage != null) { 10317 final PackageSetting disabledSysParentPs = mSettings 10318 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10319 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10320 && disabledSysParentPs.isPrivileged()) { 10321 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10322 allowed = true; 10323 } else if (disabledSysParentPs.pkg.childPackages != null) { 10324 final int count = disabledSysParentPs.pkg.childPackages.size(); 10325 for (int i = 0; i < count; i++) { 10326 PackageParser.Package disabledSysChildPkg = 10327 disabledSysParentPs.pkg.childPackages.get(i); 10328 if (isPackageRequestingPermission(disabledSysChildPkg, 10329 perm)) { 10330 allowed = true; 10331 break; 10332 } 10333 } 10334 } 10335 } 10336 } 10337 } 10338 } else { 10339 allowed = isPrivilegedApp(pkg); 10340 } 10341 } 10342 } 10343 if (!allowed) { 10344 if (!allowed && (bp.protectionLevel 10345 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10346 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10347 // If this was a previously normal/dangerous permission that got moved 10348 // to a system permission as part of the runtime permission redesign, then 10349 // we still want to blindly grant it to old apps. 10350 allowed = true; 10351 } 10352 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10353 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10354 // If this permission is to be granted to the system installer and 10355 // this app is an installer, then it gets the permission. 10356 allowed = true; 10357 } 10358 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10359 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10360 // If this permission is to be granted to the system verifier and 10361 // this app is a verifier, then it gets the permission. 10362 allowed = true; 10363 } 10364 if (!allowed && (bp.protectionLevel 10365 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10366 && isSystemApp(pkg)) { 10367 // Any pre-installed system app is allowed to get this permission. 10368 allowed = true; 10369 } 10370 if (!allowed && (bp.protectionLevel 10371 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10372 // For development permissions, a development permission 10373 // is granted only if it was already granted. 10374 allowed = origPermissions.hasInstallPermission(perm); 10375 } 10376 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10377 && pkg.packageName.equals(mSetupWizardPackage)) { 10378 // If this permission is to be granted to the system setup wizard and 10379 // this app is a setup wizard, then it gets the permission. 10380 allowed = true; 10381 } 10382 } 10383 return allowed; 10384 } 10385 10386 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10387 final int permCount = pkg.requestedPermissions.size(); 10388 for (int j = 0; j < permCount; j++) { 10389 String requestedPermission = pkg.requestedPermissions.get(j); 10390 if (permission.equals(requestedPermission)) { 10391 return true; 10392 } 10393 } 10394 return false; 10395 } 10396 10397 final class ActivityIntentResolver 10398 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10399 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10400 boolean defaultOnly, int userId) { 10401 if (!sUserManager.exists(userId)) return null; 10402 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10403 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10404 } 10405 10406 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10407 int userId) { 10408 if (!sUserManager.exists(userId)) return null; 10409 mFlags = flags; 10410 return super.queryIntent(intent, resolvedType, 10411 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10412 } 10413 10414 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10415 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10416 if (!sUserManager.exists(userId)) return null; 10417 if (packageActivities == null) { 10418 return null; 10419 } 10420 mFlags = flags; 10421 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10422 final int N = packageActivities.size(); 10423 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10424 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10425 10426 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10427 for (int i = 0; i < N; ++i) { 10428 intentFilters = packageActivities.get(i).intents; 10429 if (intentFilters != null && intentFilters.size() > 0) { 10430 PackageParser.ActivityIntentInfo[] array = 10431 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10432 intentFilters.toArray(array); 10433 listCut.add(array); 10434 } 10435 } 10436 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10437 } 10438 10439 /** 10440 * Finds a privileged activity that matches the specified activity names. 10441 */ 10442 private PackageParser.Activity findMatchingActivity( 10443 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10444 for (PackageParser.Activity sysActivity : activityList) { 10445 if (sysActivity.info.name.equals(activityInfo.name)) { 10446 return sysActivity; 10447 } 10448 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10449 return sysActivity; 10450 } 10451 if (sysActivity.info.targetActivity != null) { 10452 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10453 return sysActivity; 10454 } 10455 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10456 return sysActivity; 10457 } 10458 } 10459 } 10460 return null; 10461 } 10462 10463 public class IterGenerator<E> { 10464 public Iterator<E> generate(ActivityIntentInfo info) { 10465 return null; 10466 } 10467 } 10468 10469 public class ActionIterGenerator extends IterGenerator<String> { 10470 @Override 10471 public Iterator<String> generate(ActivityIntentInfo info) { 10472 return info.actionsIterator(); 10473 } 10474 } 10475 10476 public class CategoriesIterGenerator extends IterGenerator<String> { 10477 @Override 10478 public Iterator<String> generate(ActivityIntentInfo info) { 10479 return info.categoriesIterator(); 10480 } 10481 } 10482 10483 public class SchemesIterGenerator extends IterGenerator<String> { 10484 @Override 10485 public Iterator<String> generate(ActivityIntentInfo info) { 10486 return info.schemesIterator(); 10487 } 10488 } 10489 10490 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10491 @Override 10492 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10493 return info.authoritiesIterator(); 10494 } 10495 } 10496 10497 /** 10498 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10499 * MODIFIED. Do not pass in a list that should not be changed. 10500 */ 10501 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10502 IterGenerator<T> generator, Iterator<T> searchIterator) { 10503 // loop through the set of actions; every one must be found in the intent filter 10504 while (searchIterator.hasNext()) { 10505 // we must have at least one filter in the list to consider a match 10506 if (intentList.size() == 0) { 10507 break; 10508 } 10509 10510 final T searchAction = searchIterator.next(); 10511 10512 // loop through the set of intent filters 10513 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10514 while (intentIter.hasNext()) { 10515 final ActivityIntentInfo intentInfo = intentIter.next(); 10516 boolean selectionFound = false; 10517 10518 // loop through the intent filter's selection criteria; at least one 10519 // of them must match the searched criteria 10520 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10521 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10522 final T intentSelection = intentSelectionIter.next(); 10523 if (intentSelection != null && intentSelection.equals(searchAction)) { 10524 selectionFound = true; 10525 break; 10526 } 10527 } 10528 10529 // the selection criteria wasn't found in this filter's set; this filter 10530 // is not a potential match 10531 if (!selectionFound) { 10532 intentIter.remove(); 10533 } 10534 } 10535 } 10536 } 10537 10538 private boolean isProtectedAction(ActivityIntentInfo filter) { 10539 final Iterator<String> actionsIter = filter.actionsIterator(); 10540 while (actionsIter != null && actionsIter.hasNext()) { 10541 final String filterAction = actionsIter.next(); 10542 if (PROTECTED_ACTIONS.contains(filterAction)) { 10543 return true; 10544 } 10545 } 10546 return false; 10547 } 10548 10549 /** 10550 * Adjusts the priority of the given intent filter according to policy. 10551 * <p> 10552 * <ul> 10553 * <li>The priority for non privileged applications is capped to '0'</li> 10554 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10555 * <li>The priority for unbundled updates to privileged applications is capped to the 10556 * priority defined on the system partition</li> 10557 * </ul> 10558 * <p> 10559 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10560 * allowed to obtain any priority on any action. 10561 */ 10562 private void adjustPriority( 10563 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10564 // nothing to do; priority is fine as-is 10565 if (intent.getPriority() <= 0) { 10566 return; 10567 } 10568 10569 final ActivityInfo activityInfo = intent.activity.info; 10570 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10571 10572 final boolean privilegedApp = 10573 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10574 if (!privilegedApp) { 10575 // non-privileged applications can never define a priority >0 10576 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10577 + " package: " + applicationInfo.packageName 10578 + " activity: " + intent.activity.className 10579 + " origPrio: " + intent.getPriority()); 10580 intent.setPriority(0); 10581 return; 10582 } 10583 10584 if (systemActivities == null) { 10585 // the system package is not disabled; we're parsing the system partition 10586 if (isProtectedAction(intent)) { 10587 if (mDeferProtectedFilters) { 10588 // We can't deal with these just yet. No component should ever obtain a 10589 // >0 priority for a protected actions, with ONE exception -- the setup 10590 // wizard. The setup wizard, however, cannot be known until we're able to 10591 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10592 // until all intent filters have been processed. Chicken, meet egg. 10593 // Let the filter temporarily have a high priority and rectify the 10594 // priorities after all system packages have been scanned. 10595 mProtectedFilters.add(intent); 10596 if (DEBUG_FILTERS) { 10597 Slog.i(TAG, "Protected action; save for later;" 10598 + " package: " + applicationInfo.packageName 10599 + " activity: " + intent.activity.className 10600 + " origPrio: " + intent.getPriority()); 10601 } 10602 return; 10603 } else { 10604 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10605 Slog.i(TAG, "No setup wizard;" 10606 + " All protected intents capped to priority 0"); 10607 } 10608 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10609 if (DEBUG_FILTERS) { 10610 Slog.i(TAG, "Found setup wizard;" 10611 + " allow priority " + intent.getPriority() + ";" 10612 + " package: " + intent.activity.info.packageName 10613 + " activity: " + intent.activity.className 10614 + " priority: " + intent.getPriority()); 10615 } 10616 // setup wizard gets whatever it wants 10617 return; 10618 } 10619 Slog.w(TAG, "Protected action; cap priority to 0;" 10620 + " package: " + intent.activity.info.packageName 10621 + " activity: " + intent.activity.className 10622 + " origPrio: " + intent.getPriority()); 10623 intent.setPriority(0); 10624 return; 10625 } 10626 } 10627 // privileged apps on the system image get whatever priority they request 10628 return; 10629 } 10630 10631 // privileged app unbundled update ... try to find the same activity 10632 final PackageParser.Activity foundActivity = 10633 findMatchingActivity(systemActivities, activityInfo); 10634 if (foundActivity == null) { 10635 // this is a new activity; it cannot obtain >0 priority 10636 if (DEBUG_FILTERS) { 10637 Slog.i(TAG, "New activity; cap priority to 0;" 10638 + " package: " + applicationInfo.packageName 10639 + " activity: " + intent.activity.className 10640 + " origPrio: " + intent.getPriority()); 10641 } 10642 intent.setPriority(0); 10643 return; 10644 } 10645 10646 // found activity, now check for filter equivalence 10647 10648 // a shallow copy is enough; we modify the list, not its contents 10649 final List<ActivityIntentInfo> intentListCopy = 10650 new ArrayList<>(foundActivity.intents); 10651 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10652 10653 // find matching action subsets 10654 final Iterator<String> actionsIterator = intent.actionsIterator(); 10655 if (actionsIterator != null) { 10656 getIntentListSubset( 10657 intentListCopy, new ActionIterGenerator(), actionsIterator); 10658 if (intentListCopy.size() == 0) { 10659 // no more intents to match; we're not equivalent 10660 if (DEBUG_FILTERS) { 10661 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10662 + " package: " + applicationInfo.packageName 10663 + " activity: " + intent.activity.className 10664 + " origPrio: " + intent.getPriority()); 10665 } 10666 intent.setPriority(0); 10667 return; 10668 } 10669 } 10670 10671 // find matching category subsets 10672 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10673 if (categoriesIterator != null) { 10674 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10675 categoriesIterator); 10676 if (intentListCopy.size() == 0) { 10677 // no more intents to match; we're not equivalent 10678 if (DEBUG_FILTERS) { 10679 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10680 + " package: " + applicationInfo.packageName 10681 + " activity: " + intent.activity.className 10682 + " origPrio: " + intent.getPriority()); 10683 } 10684 intent.setPriority(0); 10685 return; 10686 } 10687 } 10688 10689 // find matching schemes subsets 10690 final Iterator<String> schemesIterator = intent.schemesIterator(); 10691 if (schemesIterator != null) { 10692 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10693 schemesIterator); 10694 if (intentListCopy.size() == 0) { 10695 // no more intents to match; we're not equivalent 10696 if (DEBUG_FILTERS) { 10697 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10698 + " package: " + applicationInfo.packageName 10699 + " activity: " + intent.activity.className 10700 + " origPrio: " + intent.getPriority()); 10701 } 10702 intent.setPriority(0); 10703 return; 10704 } 10705 } 10706 10707 // find matching authorities subsets 10708 final Iterator<IntentFilter.AuthorityEntry> 10709 authoritiesIterator = intent.authoritiesIterator(); 10710 if (authoritiesIterator != null) { 10711 getIntentListSubset(intentListCopy, 10712 new AuthoritiesIterGenerator(), 10713 authoritiesIterator); 10714 if (intentListCopy.size() == 0) { 10715 // no more intents to match; we're not equivalent 10716 if (DEBUG_FILTERS) { 10717 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10718 + " package: " + applicationInfo.packageName 10719 + " activity: " + intent.activity.className 10720 + " origPrio: " + intent.getPriority()); 10721 } 10722 intent.setPriority(0); 10723 return; 10724 } 10725 } 10726 10727 // we found matching filter(s); app gets the max priority of all intents 10728 int cappedPriority = 0; 10729 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10730 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10731 } 10732 if (intent.getPriority() > cappedPriority) { 10733 if (DEBUG_FILTERS) { 10734 Slog.i(TAG, "Found matching filter(s);" 10735 + " cap priority to " + cappedPriority + ";" 10736 + " package: " + applicationInfo.packageName 10737 + " activity: " + intent.activity.className 10738 + " origPrio: " + intent.getPriority()); 10739 } 10740 intent.setPriority(cappedPriority); 10741 return; 10742 } 10743 // all this for nothing; the requested priority was <= what was on the system 10744 } 10745 10746 public final void addActivity(PackageParser.Activity a, String type) { 10747 mActivities.put(a.getComponentName(), a); 10748 if (DEBUG_SHOW_INFO) 10749 Log.v( 10750 TAG, " " + type + " " + 10751 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10752 if (DEBUG_SHOW_INFO) 10753 Log.v(TAG, " Class=" + a.info.name); 10754 final int NI = a.intents.size(); 10755 for (int j=0; j<NI; j++) { 10756 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10757 if ("activity".equals(type)) { 10758 final PackageSetting ps = 10759 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10760 final List<PackageParser.Activity> systemActivities = 10761 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10762 adjustPriority(systemActivities, intent); 10763 } 10764 if (DEBUG_SHOW_INFO) { 10765 Log.v(TAG, " IntentFilter:"); 10766 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10767 } 10768 if (!intent.debugCheck()) { 10769 Log.w(TAG, "==> For Activity " + a.info.name); 10770 } 10771 addFilter(intent); 10772 } 10773 } 10774 10775 public final void removeActivity(PackageParser.Activity a, String type) { 10776 mActivities.remove(a.getComponentName()); 10777 if (DEBUG_SHOW_INFO) { 10778 Log.v(TAG, " " + type + " " 10779 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10780 : a.info.name) + ":"); 10781 Log.v(TAG, " Class=" + a.info.name); 10782 } 10783 final int NI = a.intents.size(); 10784 for (int j=0; j<NI; j++) { 10785 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10786 if (DEBUG_SHOW_INFO) { 10787 Log.v(TAG, " IntentFilter:"); 10788 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10789 } 10790 removeFilter(intent); 10791 } 10792 } 10793 10794 @Override 10795 protected boolean allowFilterResult( 10796 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10797 ActivityInfo filterAi = filter.activity.info; 10798 for (int i=dest.size()-1; i>=0; i--) { 10799 ActivityInfo destAi = dest.get(i).activityInfo; 10800 if (destAi.name == filterAi.name 10801 && destAi.packageName == filterAi.packageName) { 10802 return false; 10803 } 10804 } 10805 return true; 10806 } 10807 10808 @Override 10809 protected ActivityIntentInfo[] newArray(int size) { 10810 return new ActivityIntentInfo[size]; 10811 } 10812 10813 @Override 10814 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10815 if (!sUserManager.exists(userId)) return true; 10816 PackageParser.Package p = filter.activity.owner; 10817 if (p != null) { 10818 PackageSetting ps = (PackageSetting)p.mExtras; 10819 if (ps != null) { 10820 // System apps are never considered stopped for purposes of 10821 // filtering, because there may be no way for the user to 10822 // actually re-launch them. 10823 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10824 && ps.getStopped(userId); 10825 } 10826 } 10827 return false; 10828 } 10829 10830 @Override 10831 protected boolean isPackageForFilter(String packageName, 10832 PackageParser.ActivityIntentInfo info) { 10833 return packageName.equals(info.activity.owner.packageName); 10834 } 10835 10836 @Override 10837 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10838 int match, int userId) { 10839 if (!sUserManager.exists(userId)) return null; 10840 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10841 return null; 10842 } 10843 final PackageParser.Activity activity = info.activity; 10844 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10845 if (ps == null) { 10846 return null; 10847 } 10848 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10849 ps.readUserState(userId), userId); 10850 if (ai == null) { 10851 return null; 10852 } 10853 final ResolveInfo res = new ResolveInfo(); 10854 res.activityInfo = ai; 10855 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10856 res.filter = info; 10857 } 10858 if (info != null) { 10859 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10860 } 10861 res.priority = info.getPriority(); 10862 res.preferredOrder = activity.owner.mPreferredOrder; 10863 //System.out.println("Result: " + res.activityInfo.className + 10864 // " = " + res.priority); 10865 res.match = match; 10866 res.isDefault = info.hasDefault; 10867 res.labelRes = info.labelRes; 10868 res.nonLocalizedLabel = info.nonLocalizedLabel; 10869 if (userNeedsBadging(userId)) { 10870 res.noResourceId = true; 10871 } else { 10872 res.icon = info.icon; 10873 } 10874 res.iconResourceId = info.icon; 10875 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10876 return res; 10877 } 10878 10879 @Override 10880 protected void sortResults(List<ResolveInfo> results) { 10881 Collections.sort(results, mResolvePrioritySorter); 10882 } 10883 10884 @Override 10885 protected void dumpFilter(PrintWriter out, String prefix, 10886 PackageParser.ActivityIntentInfo filter) { 10887 out.print(prefix); out.print( 10888 Integer.toHexString(System.identityHashCode(filter.activity))); 10889 out.print(' '); 10890 filter.activity.printComponentShortName(out); 10891 out.print(" filter "); 10892 out.println(Integer.toHexString(System.identityHashCode(filter))); 10893 } 10894 10895 @Override 10896 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10897 return filter.activity; 10898 } 10899 10900 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10901 PackageParser.Activity activity = (PackageParser.Activity)label; 10902 out.print(prefix); out.print( 10903 Integer.toHexString(System.identityHashCode(activity))); 10904 out.print(' '); 10905 activity.printComponentShortName(out); 10906 if (count > 1) { 10907 out.print(" ("); out.print(count); out.print(" filters)"); 10908 } 10909 out.println(); 10910 } 10911 10912 // Keys are String (activity class name), values are Activity. 10913 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10914 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10915 private int mFlags; 10916 } 10917 10918 private final class ServiceIntentResolver 10919 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10920 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10921 boolean defaultOnly, int userId) { 10922 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10923 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10924 } 10925 10926 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10927 int userId) { 10928 if (!sUserManager.exists(userId)) return null; 10929 mFlags = flags; 10930 return super.queryIntent(intent, resolvedType, 10931 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10932 } 10933 10934 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10935 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10936 if (!sUserManager.exists(userId)) return null; 10937 if (packageServices == null) { 10938 return null; 10939 } 10940 mFlags = flags; 10941 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10942 final int N = packageServices.size(); 10943 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10944 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10945 10946 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10947 for (int i = 0; i < N; ++i) { 10948 intentFilters = packageServices.get(i).intents; 10949 if (intentFilters != null && intentFilters.size() > 0) { 10950 PackageParser.ServiceIntentInfo[] array = 10951 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10952 intentFilters.toArray(array); 10953 listCut.add(array); 10954 } 10955 } 10956 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10957 } 10958 10959 public final void addService(PackageParser.Service s) { 10960 mServices.put(s.getComponentName(), s); 10961 if (DEBUG_SHOW_INFO) { 10962 Log.v(TAG, " " 10963 + (s.info.nonLocalizedLabel != null 10964 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10965 Log.v(TAG, " Class=" + s.info.name); 10966 } 10967 final int NI = s.intents.size(); 10968 int j; 10969 for (j=0; j<NI; j++) { 10970 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10971 if (DEBUG_SHOW_INFO) { 10972 Log.v(TAG, " IntentFilter:"); 10973 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10974 } 10975 if (!intent.debugCheck()) { 10976 Log.w(TAG, "==> For Service " + s.info.name); 10977 } 10978 addFilter(intent); 10979 } 10980 } 10981 10982 public final void removeService(PackageParser.Service s) { 10983 mServices.remove(s.getComponentName()); 10984 if (DEBUG_SHOW_INFO) { 10985 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10986 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10987 Log.v(TAG, " Class=" + s.info.name); 10988 } 10989 final int NI = s.intents.size(); 10990 int j; 10991 for (j=0; j<NI; j++) { 10992 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10993 if (DEBUG_SHOW_INFO) { 10994 Log.v(TAG, " IntentFilter:"); 10995 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10996 } 10997 removeFilter(intent); 10998 } 10999 } 11000 11001 @Override 11002 protected boolean allowFilterResult( 11003 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11004 ServiceInfo filterSi = filter.service.info; 11005 for (int i=dest.size()-1; i>=0; i--) { 11006 ServiceInfo destAi = dest.get(i).serviceInfo; 11007 if (destAi.name == filterSi.name 11008 && destAi.packageName == filterSi.packageName) { 11009 return false; 11010 } 11011 } 11012 return true; 11013 } 11014 11015 @Override 11016 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11017 return new PackageParser.ServiceIntentInfo[size]; 11018 } 11019 11020 @Override 11021 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11022 if (!sUserManager.exists(userId)) return true; 11023 PackageParser.Package p = filter.service.owner; 11024 if (p != null) { 11025 PackageSetting ps = (PackageSetting)p.mExtras; 11026 if (ps != null) { 11027 // System apps are never considered stopped for purposes of 11028 // filtering, because there may be no way for the user to 11029 // actually re-launch them. 11030 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11031 && ps.getStopped(userId); 11032 } 11033 } 11034 return false; 11035 } 11036 11037 @Override 11038 protected boolean isPackageForFilter(String packageName, 11039 PackageParser.ServiceIntentInfo info) { 11040 return packageName.equals(info.service.owner.packageName); 11041 } 11042 11043 @Override 11044 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11045 int match, int userId) { 11046 if (!sUserManager.exists(userId)) return null; 11047 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11048 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11049 return null; 11050 } 11051 final PackageParser.Service service = info.service; 11052 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11053 if (ps == null) { 11054 return null; 11055 } 11056 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11057 ps.readUserState(userId), userId); 11058 if (si == null) { 11059 return null; 11060 } 11061 final ResolveInfo res = new ResolveInfo(); 11062 res.serviceInfo = si; 11063 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11064 res.filter = filter; 11065 } 11066 res.priority = info.getPriority(); 11067 res.preferredOrder = service.owner.mPreferredOrder; 11068 res.match = match; 11069 res.isDefault = info.hasDefault; 11070 res.labelRes = info.labelRes; 11071 res.nonLocalizedLabel = info.nonLocalizedLabel; 11072 res.icon = info.icon; 11073 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11074 return res; 11075 } 11076 11077 @Override 11078 protected void sortResults(List<ResolveInfo> results) { 11079 Collections.sort(results, mResolvePrioritySorter); 11080 } 11081 11082 @Override 11083 protected void dumpFilter(PrintWriter out, String prefix, 11084 PackageParser.ServiceIntentInfo filter) { 11085 out.print(prefix); out.print( 11086 Integer.toHexString(System.identityHashCode(filter.service))); 11087 out.print(' '); 11088 filter.service.printComponentShortName(out); 11089 out.print(" filter "); 11090 out.println(Integer.toHexString(System.identityHashCode(filter))); 11091 } 11092 11093 @Override 11094 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11095 return filter.service; 11096 } 11097 11098 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11099 PackageParser.Service service = (PackageParser.Service)label; 11100 out.print(prefix); out.print( 11101 Integer.toHexString(System.identityHashCode(service))); 11102 out.print(' '); 11103 service.printComponentShortName(out); 11104 if (count > 1) { 11105 out.print(" ("); out.print(count); out.print(" filters)"); 11106 } 11107 out.println(); 11108 } 11109 11110// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11111// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11112// final List<ResolveInfo> retList = Lists.newArrayList(); 11113// while (i.hasNext()) { 11114// final ResolveInfo resolveInfo = (ResolveInfo) i; 11115// if (isEnabledLP(resolveInfo.serviceInfo)) { 11116// retList.add(resolveInfo); 11117// } 11118// } 11119// return retList; 11120// } 11121 11122 // Keys are String (activity class name), values are Activity. 11123 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11124 = new ArrayMap<ComponentName, PackageParser.Service>(); 11125 private int mFlags; 11126 }; 11127 11128 private final class ProviderIntentResolver 11129 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11130 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11131 boolean defaultOnly, int userId) { 11132 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11133 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11134 } 11135 11136 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11137 int userId) { 11138 if (!sUserManager.exists(userId)) 11139 return null; 11140 mFlags = flags; 11141 return super.queryIntent(intent, resolvedType, 11142 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11143 } 11144 11145 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11146 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11147 if (!sUserManager.exists(userId)) 11148 return null; 11149 if (packageProviders == null) { 11150 return null; 11151 } 11152 mFlags = flags; 11153 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11154 final int N = packageProviders.size(); 11155 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11156 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11157 11158 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11159 for (int i = 0; i < N; ++i) { 11160 intentFilters = packageProviders.get(i).intents; 11161 if (intentFilters != null && intentFilters.size() > 0) { 11162 PackageParser.ProviderIntentInfo[] array = 11163 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11164 intentFilters.toArray(array); 11165 listCut.add(array); 11166 } 11167 } 11168 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11169 } 11170 11171 public final void addProvider(PackageParser.Provider p) { 11172 if (mProviders.containsKey(p.getComponentName())) { 11173 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11174 return; 11175 } 11176 11177 mProviders.put(p.getComponentName(), p); 11178 if (DEBUG_SHOW_INFO) { 11179 Log.v(TAG, " " 11180 + (p.info.nonLocalizedLabel != null 11181 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11182 Log.v(TAG, " Class=" + p.info.name); 11183 } 11184 final int NI = p.intents.size(); 11185 int j; 11186 for (j = 0; j < NI; j++) { 11187 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11188 if (DEBUG_SHOW_INFO) { 11189 Log.v(TAG, " IntentFilter:"); 11190 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11191 } 11192 if (!intent.debugCheck()) { 11193 Log.w(TAG, "==> For Provider " + p.info.name); 11194 } 11195 addFilter(intent); 11196 } 11197 } 11198 11199 public final void removeProvider(PackageParser.Provider p) { 11200 mProviders.remove(p.getComponentName()); 11201 if (DEBUG_SHOW_INFO) { 11202 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11203 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11204 Log.v(TAG, " Class=" + p.info.name); 11205 } 11206 final int NI = p.intents.size(); 11207 int j; 11208 for (j = 0; j < NI; j++) { 11209 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11210 if (DEBUG_SHOW_INFO) { 11211 Log.v(TAG, " IntentFilter:"); 11212 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11213 } 11214 removeFilter(intent); 11215 } 11216 } 11217 11218 @Override 11219 protected boolean allowFilterResult( 11220 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11221 ProviderInfo filterPi = filter.provider.info; 11222 for (int i = dest.size() - 1; i >= 0; i--) { 11223 ProviderInfo destPi = dest.get(i).providerInfo; 11224 if (destPi.name == filterPi.name 11225 && destPi.packageName == filterPi.packageName) { 11226 return false; 11227 } 11228 } 11229 return true; 11230 } 11231 11232 @Override 11233 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11234 return new PackageParser.ProviderIntentInfo[size]; 11235 } 11236 11237 @Override 11238 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11239 if (!sUserManager.exists(userId)) 11240 return true; 11241 PackageParser.Package p = filter.provider.owner; 11242 if (p != null) { 11243 PackageSetting ps = (PackageSetting) p.mExtras; 11244 if (ps != null) { 11245 // System apps are never considered stopped for purposes of 11246 // filtering, because there may be no way for the user to 11247 // actually re-launch them. 11248 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11249 && ps.getStopped(userId); 11250 } 11251 } 11252 return false; 11253 } 11254 11255 @Override 11256 protected boolean isPackageForFilter(String packageName, 11257 PackageParser.ProviderIntentInfo info) { 11258 return packageName.equals(info.provider.owner.packageName); 11259 } 11260 11261 @Override 11262 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11263 int match, int userId) { 11264 if (!sUserManager.exists(userId)) 11265 return null; 11266 final PackageParser.ProviderIntentInfo info = filter; 11267 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11268 return null; 11269 } 11270 final PackageParser.Provider provider = info.provider; 11271 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11272 if (ps == null) { 11273 return null; 11274 } 11275 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11276 ps.readUserState(userId), userId); 11277 if (pi == null) { 11278 return null; 11279 } 11280 final ResolveInfo res = new ResolveInfo(); 11281 res.providerInfo = pi; 11282 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11283 res.filter = filter; 11284 } 11285 res.priority = info.getPriority(); 11286 res.preferredOrder = provider.owner.mPreferredOrder; 11287 res.match = match; 11288 res.isDefault = info.hasDefault; 11289 res.labelRes = info.labelRes; 11290 res.nonLocalizedLabel = info.nonLocalizedLabel; 11291 res.icon = info.icon; 11292 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11293 return res; 11294 } 11295 11296 @Override 11297 protected void sortResults(List<ResolveInfo> results) { 11298 Collections.sort(results, mResolvePrioritySorter); 11299 } 11300 11301 @Override 11302 protected void dumpFilter(PrintWriter out, String prefix, 11303 PackageParser.ProviderIntentInfo filter) { 11304 out.print(prefix); 11305 out.print( 11306 Integer.toHexString(System.identityHashCode(filter.provider))); 11307 out.print(' '); 11308 filter.provider.printComponentShortName(out); 11309 out.print(" filter "); 11310 out.println(Integer.toHexString(System.identityHashCode(filter))); 11311 } 11312 11313 @Override 11314 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11315 return filter.provider; 11316 } 11317 11318 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11319 PackageParser.Provider provider = (PackageParser.Provider)label; 11320 out.print(prefix); out.print( 11321 Integer.toHexString(System.identityHashCode(provider))); 11322 out.print(' '); 11323 provider.printComponentShortName(out); 11324 if (count > 1) { 11325 out.print(" ("); out.print(count); out.print(" filters)"); 11326 } 11327 out.println(); 11328 } 11329 11330 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11331 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11332 private int mFlags; 11333 } 11334 11335 private static final class EphemeralIntentResolver 11336 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11337 /** 11338 * The result that has the highest defined order. Ordering applies on a 11339 * per-package basis. Mapping is from package name to Pair of order and 11340 * EphemeralResolveInfo. 11341 * <p> 11342 * NOTE: This is implemented as a field variable for convenience and efficiency. 11343 * By having a field variable, we're able to track filter ordering as soon as 11344 * a non-zero order is defined. Otherwise, multiple loops across the result set 11345 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 11346 * this needs to be contained entirely within {@link #filterResults()}. 11347 */ 11348 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 11349 11350 @Override 11351 protected EphemeralResolveIntentInfo[] newArray(int size) { 11352 return new EphemeralResolveIntentInfo[size]; 11353 } 11354 11355 @Override 11356 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11357 return true; 11358 } 11359 11360 @Override 11361 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11362 int userId) { 11363 if (!sUserManager.exists(userId)) { 11364 return null; 11365 } 11366 final String packageName = info.getEphemeralResolveInfo().getPackageName(); 11367 final Integer order = info.getOrder(); 11368 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 11369 mOrderResult.get(packageName); 11370 // ordering is enabled and this item's order isn't high enough 11371 if (lastOrderResult != null && lastOrderResult.first >= order) { 11372 return null; 11373 } 11374 final EphemeralResolveInfo res = info.getEphemeralResolveInfo(); 11375 if (order > 0) { 11376 // non-zero order, enable ordering 11377 mOrderResult.put(packageName, new Pair<>(order, res)); 11378 } 11379 return res; 11380 } 11381 11382 @Override 11383 protected void filterResults(List<EphemeralResolveInfo> results) { 11384 // only do work if ordering is enabled [most of the time it won't be] 11385 if (mOrderResult.size() == 0) { 11386 return; 11387 } 11388 int resultSize = results.size(); 11389 for (int i = 0; i < resultSize; i++) { 11390 final EphemeralResolveInfo info = results.get(i); 11391 final String packageName = info.getPackageName(); 11392 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 11393 if (savedInfo == null) { 11394 // package doesn't having ordering 11395 continue; 11396 } 11397 if (savedInfo.second == info) { 11398 // circled back to the highest ordered item; remove from order list 11399 mOrderResult.remove(savedInfo); 11400 if (mOrderResult.size() == 0) { 11401 // no more ordered items 11402 break; 11403 } 11404 continue; 11405 } 11406 // item has a worse order, remove it from the result list 11407 results.remove(i); 11408 resultSize--; 11409 i--; 11410 } 11411 } 11412 } 11413 11414 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11415 new Comparator<ResolveInfo>() { 11416 public int compare(ResolveInfo r1, ResolveInfo r2) { 11417 int v1 = r1.priority; 11418 int v2 = r2.priority; 11419 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11420 if (v1 != v2) { 11421 return (v1 > v2) ? -1 : 1; 11422 } 11423 v1 = r1.preferredOrder; 11424 v2 = r2.preferredOrder; 11425 if (v1 != v2) { 11426 return (v1 > v2) ? -1 : 1; 11427 } 11428 if (r1.isDefault != r2.isDefault) { 11429 return r1.isDefault ? -1 : 1; 11430 } 11431 v1 = r1.match; 11432 v2 = r2.match; 11433 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11434 if (v1 != v2) { 11435 return (v1 > v2) ? -1 : 1; 11436 } 11437 if (r1.system != r2.system) { 11438 return r1.system ? -1 : 1; 11439 } 11440 if (r1.activityInfo != null) { 11441 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11442 } 11443 if (r1.serviceInfo != null) { 11444 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11445 } 11446 if (r1.providerInfo != null) { 11447 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11448 } 11449 return 0; 11450 } 11451 }; 11452 11453 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11454 new Comparator<ProviderInfo>() { 11455 public int compare(ProviderInfo p1, ProviderInfo p2) { 11456 final int v1 = p1.initOrder; 11457 final int v2 = p2.initOrder; 11458 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11459 } 11460 }; 11461 11462 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11463 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11464 final int[] userIds) { 11465 mHandler.post(new Runnable() { 11466 @Override 11467 public void run() { 11468 try { 11469 final IActivityManager am = ActivityManagerNative.getDefault(); 11470 if (am == null) return; 11471 final int[] resolvedUserIds; 11472 if (userIds == null) { 11473 resolvedUserIds = am.getRunningUserIds(); 11474 } else { 11475 resolvedUserIds = userIds; 11476 } 11477 for (int id : resolvedUserIds) { 11478 final Intent intent = new Intent(action, 11479 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 11480 if (extras != null) { 11481 intent.putExtras(extras); 11482 } 11483 if (targetPkg != null) { 11484 intent.setPackage(targetPkg); 11485 } 11486 // Modify the UID when posting to other users 11487 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11488 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11489 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11490 intent.putExtra(Intent.EXTRA_UID, uid); 11491 } 11492 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11493 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11494 if (DEBUG_BROADCASTS) { 11495 RuntimeException here = new RuntimeException("here"); 11496 here.fillInStackTrace(); 11497 Slog.d(TAG, "Sending to user " + id + ": " 11498 + intent.toShortString(false, true, false, false) 11499 + " " + intent.getExtras(), here); 11500 } 11501 am.broadcastIntent(null, intent, null, finishedReceiver, 11502 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11503 null, finishedReceiver != null, false, id); 11504 } 11505 } catch (RemoteException ex) { 11506 } 11507 } 11508 }); 11509 } 11510 11511 /** 11512 * Check if the external storage media is available. This is true if there 11513 * is a mounted external storage medium or if the external storage is 11514 * emulated. 11515 */ 11516 private boolean isExternalMediaAvailable() { 11517 return mMediaMounted || Environment.isExternalStorageEmulated(); 11518 } 11519 11520 @Override 11521 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11522 // writer 11523 synchronized (mPackages) { 11524 if (!isExternalMediaAvailable()) { 11525 // If the external storage is no longer mounted at this point, 11526 // the caller may not have been able to delete all of this 11527 // packages files and can not delete any more. Bail. 11528 return null; 11529 } 11530 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11531 if (lastPackage != null) { 11532 pkgs.remove(lastPackage); 11533 } 11534 if (pkgs.size() > 0) { 11535 return pkgs.get(0); 11536 } 11537 } 11538 return null; 11539 } 11540 11541 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11542 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11543 userId, andCode ? 1 : 0, packageName); 11544 if (mSystemReady) { 11545 msg.sendToTarget(); 11546 } else { 11547 if (mPostSystemReadyMessages == null) { 11548 mPostSystemReadyMessages = new ArrayList<>(); 11549 } 11550 mPostSystemReadyMessages.add(msg); 11551 } 11552 } 11553 11554 void startCleaningPackages() { 11555 // reader 11556 if (!isExternalMediaAvailable()) { 11557 return; 11558 } 11559 synchronized (mPackages) { 11560 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11561 return; 11562 } 11563 } 11564 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11565 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11566 IActivityManager am = ActivityManagerNative.getDefault(); 11567 if (am != null) { 11568 try { 11569 am.startService(null, intent, null, mContext.getOpPackageName(), 11570 UserHandle.USER_SYSTEM); 11571 } catch (RemoteException e) { 11572 } 11573 } 11574 } 11575 11576 @Override 11577 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11578 int installFlags, String installerPackageName, int userId) { 11579 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11580 11581 final int callingUid = Binder.getCallingUid(); 11582 enforceCrossUserPermission(callingUid, userId, 11583 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11584 11585 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11586 try { 11587 if (observer != null) { 11588 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11589 } 11590 } catch (RemoteException re) { 11591 } 11592 return; 11593 } 11594 11595 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11596 installFlags |= PackageManager.INSTALL_FROM_ADB; 11597 11598 } else { 11599 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11600 // about installerPackageName. 11601 11602 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11603 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11604 } 11605 11606 UserHandle user; 11607 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11608 user = UserHandle.ALL; 11609 } else { 11610 user = new UserHandle(userId); 11611 } 11612 11613 // Only system components can circumvent runtime permissions when installing. 11614 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11615 && mContext.checkCallingOrSelfPermission(Manifest.permission 11616 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11617 throw new SecurityException("You need the " 11618 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11619 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11620 } 11621 11622 final File originFile = new File(originPath); 11623 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11624 11625 final Message msg = mHandler.obtainMessage(INIT_COPY); 11626 final VerificationInfo verificationInfo = new VerificationInfo( 11627 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11628 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11629 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11630 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11631 null /*certificates*/); 11632 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11633 msg.obj = params; 11634 11635 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11636 System.identityHashCode(msg.obj)); 11637 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11638 System.identityHashCode(msg.obj)); 11639 11640 mHandler.sendMessage(msg); 11641 } 11642 11643 void installStage(String packageName, File stagedDir, String stagedCid, 11644 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11645 String installerPackageName, int installerUid, UserHandle user, 11646 Certificate[][] certificates) { 11647 if (DEBUG_EPHEMERAL) { 11648 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11649 Slog.d(TAG, "Ephemeral install of " + packageName); 11650 } 11651 } 11652 final VerificationInfo verificationInfo = new VerificationInfo( 11653 sessionParams.originatingUri, sessionParams.referrerUri, 11654 sessionParams.originatingUid, installerUid); 11655 11656 final OriginInfo origin; 11657 if (stagedDir != null) { 11658 origin = OriginInfo.fromStagedFile(stagedDir); 11659 } else { 11660 origin = OriginInfo.fromStagedContainer(stagedCid); 11661 } 11662 11663 final Message msg = mHandler.obtainMessage(INIT_COPY); 11664 final InstallParams params = new InstallParams(origin, null, observer, 11665 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11666 verificationInfo, user, sessionParams.abiOverride, 11667 sessionParams.grantedRuntimePermissions, certificates); 11668 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11669 msg.obj = params; 11670 11671 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11672 System.identityHashCode(msg.obj)); 11673 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11674 System.identityHashCode(msg.obj)); 11675 11676 mHandler.sendMessage(msg); 11677 } 11678 11679 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11680 int userId) { 11681 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11682 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11683 } 11684 11685 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11686 int appId, int userId) { 11687 Bundle extras = new Bundle(1); 11688 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11689 11690 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11691 packageName, extras, 0, null, null, new int[] {userId}); 11692 try { 11693 IActivityManager am = ActivityManagerNative.getDefault(); 11694 if (isSystem && am.isUserRunning(userId, 0)) { 11695 // The just-installed/enabled app is bundled on the system, so presumed 11696 // to be able to run automatically without needing an explicit launch. 11697 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11698 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11699 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11700 .setPackage(packageName); 11701 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11702 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11703 } 11704 } catch (RemoteException e) { 11705 // shouldn't happen 11706 Slog.w(TAG, "Unable to bootstrap installed package", e); 11707 } 11708 } 11709 11710 @Override 11711 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11712 int userId) { 11713 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11714 PackageSetting pkgSetting; 11715 final int uid = Binder.getCallingUid(); 11716 enforceCrossUserPermission(uid, userId, 11717 true /* requireFullPermission */, true /* checkShell */, 11718 "setApplicationHiddenSetting for user " + userId); 11719 11720 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11721 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11722 return false; 11723 } 11724 11725 long callingId = Binder.clearCallingIdentity(); 11726 try { 11727 boolean sendAdded = false; 11728 boolean sendRemoved = false; 11729 // writer 11730 synchronized (mPackages) { 11731 pkgSetting = mSettings.mPackages.get(packageName); 11732 if (pkgSetting == null) { 11733 return false; 11734 } 11735 // Do not allow "android" is being disabled 11736 if ("android".equals(packageName)) { 11737 Slog.w(TAG, "Cannot hide package: android"); 11738 return false; 11739 } 11740 // Only allow protected packages to hide themselves. 11741 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11742 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11743 Slog.w(TAG, "Not hiding protected package: " + packageName); 11744 return false; 11745 } 11746 11747 if (pkgSetting.getHidden(userId) != hidden) { 11748 pkgSetting.setHidden(hidden, userId); 11749 mSettings.writePackageRestrictionsLPr(userId); 11750 if (hidden) { 11751 sendRemoved = true; 11752 } else { 11753 sendAdded = true; 11754 } 11755 } 11756 } 11757 if (sendAdded) { 11758 sendPackageAddedForUser(packageName, pkgSetting, userId); 11759 return true; 11760 } 11761 if (sendRemoved) { 11762 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11763 "hiding pkg"); 11764 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11765 return true; 11766 } 11767 } finally { 11768 Binder.restoreCallingIdentity(callingId); 11769 } 11770 return false; 11771 } 11772 11773 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11774 int userId) { 11775 final PackageRemovedInfo info = new PackageRemovedInfo(); 11776 info.removedPackage = packageName; 11777 info.removedUsers = new int[] {userId}; 11778 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11779 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11780 } 11781 11782 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11783 if (pkgList.length > 0) { 11784 Bundle extras = new Bundle(1); 11785 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11786 11787 sendPackageBroadcast( 11788 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11789 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11790 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11791 new int[] {userId}); 11792 } 11793 } 11794 11795 /** 11796 * Returns true if application is not found or there was an error. Otherwise it returns 11797 * the hidden state of the package for the given user. 11798 */ 11799 @Override 11800 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11801 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11802 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11803 true /* requireFullPermission */, false /* checkShell */, 11804 "getApplicationHidden for user " + userId); 11805 PackageSetting pkgSetting; 11806 long callingId = Binder.clearCallingIdentity(); 11807 try { 11808 // writer 11809 synchronized (mPackages) { 11810 pkgSetting = mSettings.mPackages.get(packageName); 11811 if (pkgSetting == null) { 11812 return true; 11813 } 11814 return pkgSetting.getHidden(userId); 11815 } 11816 } finally { 11817 Binder.restoreCallingIdentity(callingId); 11818 } 11819 } 11820 11821 /** 11822 * @hide 11823 */ 11824 @Override 11825 public int installExistingPackageAsUser(String packageName, int userId) { 11826 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11827 null); 11828 PackageSetting pkgSetting; 11829 final int uid = Binder.getCallingUid(); 11830 enforceCrossUserPermission(uid, userId, 11831 true /* requireFullPermission */, true /* checkShell */, 11832 "installExistingPackage for user " + userId); 11833 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11834 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11835 } 11836 11837 long callingId = Binder.clearCallingIdentity(); 11838 try { 11839 boolean installed = false; 11840 11841 // writer 11842 synchronized (mPackages) { 11843 pkgSetting = mSettings.mPackages.get(packageName); 11844 if (pkgSetting == null) { 11845 return PackageManager.INSTALL_FAILED_INVALID_URI; 11846 } 11847 if (!pkgSetting.getInstalled(userId)) { 11848 pkgSetting.setInstalled(true, userId); 11849 pkgSetting.setHidden(false, userId); 11850 mSettings.writePackageRestrictionsLPr(userId); 11851 installed = true; 11852 } 11853 } 11854 11855 if (installed) { 11856 if (pkgSetting.pkg != null) { 11857 synchronized (mInstallLock) { 11858 // We don't need to freeze for a brand new install 11859 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11860 } 11861 } 11862 sendPackageAddedForUser(packageName, pkgSetting, userId); 11863 } 11864 } finally { 11865 Binder.restoreCallingIdentity(callingId); 11866 } 11867 11868 return PackageManager.INSTALL_SUCCEEDED; 11869 } 11870 11871 boolean isUserRestricted(int userId, String restrictionKey) { 11872 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11873 if (restrictions.getBoolean(restrictionKey, false)) { 11874 Log.w(TAG, "User is restricted: " + restrictionKey); 11875 return true; 11876 } 11877 return false; 11878 } 11879 11880 @Override 11881 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11882 int userId) { 11883 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11884 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11885 true /* requireFullPermission */, true /* checkShell */, 11886 "setPackagesSuspended for user " + userId); 11887 11888 if (ArrayUtils.isEmpty(packageNames)) { 11889 return packageNames; 11890 } 11891 11892 // List of package names for whom the suspended state has changed. 11893 List<String> changedPackages = new ArrayList<>(packageNames.length); 11894 // List of package names for whom the suspended state is not set as requested in this 11895 // method. 11896 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11897 long callingId = Binder.clearCallingIdentity(); 11898 try { 11899 for (int i = 0; i < packageNames.length; i++) { 11900 String packageName = packageNames[i]; 11901 boolean changed = false; 11902 final int appId; 11903 synchronized (mPackages) { 11904 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11905 if (pkgSetting == null) { 11906 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11907 + "\". Skipping suspending/un-suspending."); 11908 unactionedPackages.add(packageName); 11909 continue; 11910 } 11911 appId = pkgSetting.appId; 11912 if (pkgSetting.getSuspended(userId) != suspended) { 11913 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11914 unactionedPackages.add(packageName); 11915 continue; 11916 } 11917 pkgSetting.setSuspended(suspended, userId); 11918 mSettings.writePackageRestrictionsLPr(userId); 11919 changed = true; 11920 changedPackages.add(packageName); 11921 } 11922 } 11923 11924 if (changed && suspended) { 11925 killApplication(packageName, UserHandle.getUid(userId, appId), 11926 "suspending package"); 11927 } 11928 } 11929 } finally { 11930 Binder.restoreCallingIdentity(callingId); 11931 } 11932 11933 if (!changedPackages.isEmpty()) { 11934 sendPackagesSuspendedForUser(changedPackages.toArray( 11935 new String[changedPackages.size()]), userId, suspended); 11936 } 11937 11938 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11939 } 11940 11941 @Override 11942 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11943 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11944 true /* requireFullPermission */, false /* checkShell */, 11945 "isPackageSuspendedForUser for user " + userId); 11946 synchronized (mPackages) { 11947 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11948 if (pkgSetting == null) { 11949 throw new IllegalArgumentException("Unknown target package: " + packageName); 11950 } 11951 return pkgSetting.getSuspended(userId); 11952 } 11953 } 11954 11955 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11956 if (isPackageDeviceAdmin(packageName, userId)) { 11957 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11958 + "\": has an active device admin"); 11959 return false; 11960 } 11961 11962 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11963 if (packageName.equals(activeLauncherPackageName)) { 11964 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11965 + "\": contains the active launcher"); 11966 return false; 11967 } 11968 11969 if (packageName.equals(mRequiredInstallerPackage)) { 11970 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11971 + "\": required for package installation"); 11972 return false; 11973 } 11974 11975 if (packageName.equals(mRequiredUninstallerPackage)) { 11976 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11977 + "\": required for package uninstallation"); 11978 return false; 11979 } 11980 11981 if (packageName.equals(mRequiredVerifierPackage)) { 11982 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11983 + "\": required for package verification"); 11984 return false; 11985 } 11986 11987 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11988 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11989 + "\": is the default dialer"); 11990 return false; 11991 } 11992 11993 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11994 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11995 + "\": protected package"); 11996 return false; 11997 } 11998 11999 return true; 12000 } 12001 12002 private String getActiveLauncherPackageName(int userId) { 12003 Intent intent = new Intent(Intent.ACTION_MAIN); 12004 intent.addCategory(Intent.CATEGORY_HOME); 12005 ResolveInfo resolveInfo = resolveIntent( 12006 intent, 12007 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 12008 PackageManager.MATCH_DEFAULT_ONLY, 12009 userId); 12010 12011 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 12012 } 12013 12014 private String getDefaultDialerPackageName(int userId) { 12015 synchronized (mPackages) { 12016 return mSettings.getDefaultDialerPackageNameLPw(userId); 12017 } 12018 } 12019 12020 @Override 12021 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 12022 mContext.enforceCallingOrSelfPermission( 12023 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12024 "Only package verification agents can verify applications"); 12025 12026 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12027 final PackageVerificationResponse response = new PackageVerificationResponse( 12028 verificationCode, Binder.getCallingUid()); 12029 msg.arg1 = id; 12030 msg.obj = response; 12031 mHandler.sendMessage(msg); 12032 } 12033 12034 @Override 12035 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 12036 long millisecondsToDelay) { 12037 mContext.enforceCallingOrSelfPermission( 12038 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12039 "Only package verification agents can extend verification timeouts"); 12040 12041 final PackageVerificationState state = mPendingVerification.get(id); 12042 final PackageVerificationResponse response = new PackageVerificationResponse( 12043 verificationCodeAtTimeout, Binder.getCallingUid()); 12044 12045 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12046 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12047 } 12048 if (millisecondsToDelay < 0) { 12049 millisecondsToDelay = 0; 12050 } 12051 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12052 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12053 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12054 } 12055 12056 if ((state != null) && !state.timeoutExtended()) { 12057 state.extendTimeout(); 12058 12059 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12060 msg.arg1 = id; 12061 msg.obj = response; 12062 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12063 } 12064 } 12065 12066 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12067 int verificationCode, UserHandle user) { 12068 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12069 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12070 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12071 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12072 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12073 12074 mContext.sendBroadcastAsUser(intent, user, 12075 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12076 } 12077 12078 private ComponentName matchComponentForVerifier(String packageName, 12079 List<ResolveInfo> receivers) { 12080 ActivityInfo targetReceiver = null; 12081 12082 final int NR = receivers.size(); 12083 for (int i = 0; i < NR; i++) { 12084 final ResolveInfo info = receivers.get(i); 12085 if (info.activityInfo == null) { 12086 continue; 12087 } 12088 12089 if (packageName.equals(info.activityInfo.packageName)) { 12090 targetReceiver = info.activityInfo; 12091 break; 12092 } 12093 } 12094 12095 if (targetReceiver == null) { 12096 return null; 12097 } 12098 12099 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12100 } 12101 12102 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12103 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12104 if (pkgInfo.verifiers.length == 0) { 12105 return null; 12106 } 12107 12108 final int N = pkgInfo.verifiers.length; 12109 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12110 for (int i = 0; i < N; i++) { 12111 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12112 12113 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12114 receivers); 12115 if (comp == null) { 12116 continue; 12117 } 12118 12119 final int verifierUid = getUidForVerifier(verifierInfo); 12120 if (verifierUid == -1) { 12121 continue; 12122 } 12123 12124 if (DEBUG_VERIFY) { 12125 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12126 + " with the correct signature"); 12127 } 12128 sufficientVerifiers.add(comp); 12129 verificationState.addSufficientVerifier(verifierUid); 12130 } 12131 12132 return sufficientVerifiers; 12133 } 12134 12135 private int getUidForVerifier(VerifierInfo verifierInfo) { 12136 synchronized (mPackages) { 12137 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12138 if (pkg == null) { 12139 return -1; 12140 } else if (pkg.mSignatures.length != 1) { 12141 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12142 + " has more than one signature; ignoring"); 12143 return -1; 12144 } 12145 12146 /* 12147 * If the public key of the package's signature does not match 12148 * our expected public key, then this is a different package and 12149 * we should skip. 12150 */ 12151 12152 final byte[] expectedPublicKey; 12153 try { 12154 final Signature verifierSig = pkg.mSignatures[0]; 12155 final PublicKey publicKey = verifierSig.getPublicKey(); 12156 expectedPublicKey = publicKey.getEncoded(); 12157 } catch (CertificateException e) { 12158 return -1; 12159 } 12160 12161 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12162 12163 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12164 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12165 + " does not have the expected public key; ignoring"); 12166 return -1; 12167 } 12168 12169 return pkg.applicationInfo.uid; 12170 } 12171 } 12172 12173 @Override 12174 public void finishPackageInstall(int token, boolean didLaunch) { 12175 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12176 12177 if (DEBUG_INSTALL) { 12178 Slog.v(TAG, "BM finishing package install for " + token); 12179 } 12180 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12181 12182 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12183 mHandler.sendMessage(msg); 12184 } 12185 12186 /** 12187 * Get the verification agent timeout. 12188 * 12189 * @return verification timeout in milliseconds 12190 */ 12191 private long getVerificationTimeout() { 12192 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12193 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12194 DEFAULT_VERIFICATION_TIMEOUT); 12195 } 12196 12197 /** 12198 * Get the default verification agent response code. 12199 * 12200 * @return default verification response code 12201 */ 12202 private int getDefaultVerificationResponse() { 12203 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12204 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12205 DEFAULT_VERIFICATION_RESPONSE); 12206 } 12207 12208 /** 12209 * Check whether or not package verification has been enabled. 12210 * 12211 * @return true if verification should be performed 12212 */ 12213 private boolean isVerificationEnabled(int userId, int installFlags) { 12214 if (!DEFAULT_VERIFY_ENABLE) { 12215 return false; 12216 } 12217 // Ephemeral apps don't get the full verification treatment 12218 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12219 if (DEBUG_EPHEMERAL) { 12220 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12221 } 12222 return false; 12223 } 12224 12225 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12226 12227 // Check if installing from ADB 12228 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12229 // Do not run verification in a test harness environment 12230 if (ActivityManager.isRunningInTestHarness()) { 12231 return false; 12232 } 12233 if (ensureVerifyAppsEnabled) { 12234 return true; 12235 } 12236 // Check if the developer does not want package verification for ADB installs 12237 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12238 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12239 return false; 12240 } 12241 } 12242 12243 if (ensureVerifyAppsEnabled) { 12244 return true; 12245 } 12246 12247 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12248 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12249 } 12250 12251 @Override 12252 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12253 throws RemoteException { 12254 mContext.enforceCallingOrSelfPermission( 12255 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12256 "Only intentfilter verification agents can verify applications"); 12257 12258 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12259 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12260 Binder.getCallingUid(), verificationCode, failedDomains); 12261 msg.arg1 = id; 12262 msg.obj = response; 12263 mHandler.sendMessage(msg); 12264 } 12265 12266 @Override 12267 public int getIntentVerificationStatus(String packageName, int userId) { 12268 synchronized (mPackages) { 12269 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12270 } 12271 } 12272 12273 @Override 12274 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12275 mContext.enforceCallingOrSelfPermission( 12276 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12277 12278 boolean result = false; 12279 synchronized (mPackages) { 12280 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12281 } 12282 if (result) { 12283 scheduleWritePackageRestrictionsLocked(userId); 12284 } 12285 return result; 12286 } 12287 12288 @Override 12289 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12290 String packageName) { 12291 synchronized (mPackages) { 12292 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12293 } 12294 } 12295 12296 @Override 12297 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12298 if (TextUtils.isEmpty(packageName)) { 12299 return ParceledListSlice.emptyList(); 12300 } 12301 synchronized (mPackages) { 12302 PackageParser.Package pkg = mPackages.get(packageName); 12303 if (pkg == null || pkg.activities == null) { 12304 return ParceledListSlice.emptyList(); 12305 } 12306 final int count = pkg.activities.size(); 12307 ArrayList<IntentFilter> result = new ArrayList<>(); 12308 for (int n=0; n<count; n++) { 12309 PackageParser.Activity activity = pkg.activities.get(n); 12310 if (activity.intents != null && activity.intents.size() > 0) { 12311 result.addAll(activity.intents); 12312 } 12313 } 12314 return new ParceledListSlice<>(result); 12315 } 12316 } 12317 12318 @Override 12319 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12320 mContext.enforceCallingOrSelfPermission( 12321 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12322 12323 synchronized (mPackages) { 12324 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12325 if (packageName != null) { 12326 result |= updateIntentVerificationStatus(packageName, 12327 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12328 userId); 12329 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12330 packageName, userId); 12331 } 12332 return result; 12333 } 12334 } 12335 12336 @Override 12337 public String getDefaultBrowserPackageName(int userId) { 12338 synchronized (mPackages) { 12339 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12340 } 12341 } 12342 12343 /** 12344 * Get the "allow unknown sources" setting. 12345 * 12346 * @return the current "allow unknown sources" setting 12347 */ 12348 private int getUnknownSourcesSettings() { 12349 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12350 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12351 -1); 12352 } 12353 12354 @Override 12355 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12356 final int uid = Binder.getCallingUid(); 12357 // writer 12358 synchronized (mPackages) { 12359 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12360 if (targetPackageSetting == null) { 12361 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12362 } 12363 12364 PackageSetting installerPackageSetting; 12365 if (installerPackageName != null) { 12366 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12367 if (installerPackageSetting == null) { 12368 throw new IllegalArgumentException("Unknown installer package: " 12369 + installerPackageName); 12370 } 12371 } else { 12372 installerPackageSetting = null; 12373 } 12374 12375 Signature[] callerSignature; 12376 Object obj = mSettings.getUserIdLPr(uid); 12377 if (obj != null) { 12378 if (obj instanceof SharedUserSetting) { 12379 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12380 } else if (obj instanceof PackageSetting) { 12381 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12382 } else { 12383 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12384 } 12385 } else { 12386 throw new SecurityException("Unknown calling UID: " + uid); 12387 } 12388 12389 // Verify: can't set installerPackageName to a package that is 12390 // not signed with the same cert as the caller. 12391 if (installerPackageSetting != null) { 12392 if (compareSignatures(callerSignature, 12393 installerPackageSetting.signatures.mSignatures) 12394 != PackageManager.SIGNATURE_MATCH) { 12395 throw new SecurityException( 12396 "Caller does not have same cert as new installer package " 12397 + installerPackageName); 12398 } 12399 } 12400 12401 // Verify: if target already has an installer package, it must 12402 // be signed with the same cert as the caller. 12403 if (targetPackageSetting.installerPackageName != null) { 12404 PackageSetting setting = mSettings.mPackages.get( 12405 targetPackageSetting.installerPackageName); 12406 // If the currently set package isn't valid, then it's always 12407 // okay to change it. 12408 if (setting != null) { 12409 if (compareSignatures(callerSignature, 12410 setting.signatures.mSignatures) 12411 != PackageManager.SIGNATURE_MATCH) { 12412 throw new SecurityException( 12413 "Caller does not have same cert as old installer package " 12414 + targetPackageSetting.installerPackageName); 12415 } 12416 } 12417 } 12418 12419 // Okay! 12420 targetPackageSetting.installerPackageName = installerPackageName; 12421 if (installerPackageName != null) { 12422 mSettings.mInstallerPackages.add(installerPackageName); 12423 } 12424 scheduleWriteSettingsLocked(); 12425 } 12426 } 12427 12428 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12429 // Queue up an async operation since the package installation may take a little while. 12430 mHandler.post(new Runnable() { 12431 public void run() { 12432 mHandler.removeCallbacks(this); 12433 // Result object to be returned 12434 PackageInstalledInfo res = new PackageInstalledInfo(); 12435 res.setReturnCode(currentStatus); 12436 res.uid = -1; 12437 res.pkg = null; 12438 res.removedInfo = null; 12439 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12440 args.doPreInstall(res.returnCode); 12441 synchronized (mInstallLock) { 12442 installPackageTracedLI(args, res); 12443 } 12444 args.doPostInstall(res.returnCode, res.uid); 12445 } 12446 12447 // A restore should be performed at this point if (a) the install 12448 // succeeded, (b) the operation is not an update, and (c) the new 12449 // package has not opted out of backup participation. 12450 final boolean update = res.removedInfo != null 12451 && res.removedInfo.removedPackage != null; 12452 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12453 boolean doRestore = !update 12454 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12455 12456 // Set up the post-install work request bookkeeping. This will be used 12457 // and cleaned up by the post-install event handling regardless of whether 12458 // there's a restore pass performed. Token values are >= 1. 12459 int token; 12460 if (mNextInstallToken < 0) mNextInstallToken = 1; 12461 token = mNextInstallToken++; 12462 12463 PostInstallData data = new PostInstallData(args, res); 12464 mRunningInstalls.put(token, data); 12465 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12466 12467 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12468 // Pass responsibility to the Backup Manager. It will perform a 12469 // restore if appropriate, then pass responsibility back to the 12470 // Package Manager to run the post-install observer callbacks 12471 // and broadcasts. 12472 IBackupManager bm = IBackupManager.Stub.asInterface( 12473 ServiceManager.getService(Context.BACKUP_SERVICE)); 12474 if (bm != null) { 12475 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12476 + " to BM for possible restore"); 12477 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12478 try { 12479 // TODO: http://b/22388012 12480 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12481 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12482 } else { 12483 doRestore = false; 12484 } 12485 } catch (RemoteException e) { 12486 // can't happen; the backup manager is local 12487 } catch (Exception e) { 12488 Slog.e(TAG, "Exception trying to enqueue restore", e); 12489 doRestore = false; 12490 } 12491 } else { 12492 Slog.e(TAG, "Backup Manager not found!"); 12493 doRestore = false; 12494 } 12495 } 12496 12497 if (!doRestore) { 12498 // No restore possible, or the Backup Manager was mysteriously not 12499 // available -- just fire the post-install work request directly. 12500 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12501 12502 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12503 12504 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12505 mHandler.sendMessage(msg); 12506 } 12507 } 12508 }); 12509 } 12510 12511 /** 12512 * Callback from PackageSettings whenever an app is first transitioned out of the 12513 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12514 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12515 * here whether the app is the target of an ongoing install, and only send the 12516 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12517 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12518 * handling. 12519 */ 12520 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12521 // Serialize this with the rest of the install-process message chain. In the 12522 // restore-at-install case, this Runnable will necessarily run before the 12523 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12524 // are coherent. In the non-restore case, the app has already completed install 12525 // and been launched through some other means, so it is not in a problematic 12526 // state for observers to see the FIRST_LAUNCH signal. 12527 mHandler.post(new Runnable() { 12528 @Override 12529 public void run() { 12530 for (int i = 0; i < mRunningInstalls.size(); i++) { 12531 final PostInstallData data = mRunningInstalls.valueAt(i); 12532 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12533 continue; 12534 } 12535 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12536 // right package; but is it for the right user? 12537 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12538 if (userId == data.res.newUsers[uIndex]) { 12539 if (DEBUG_BACKUP) { 12540 Slog.i(TAG, "Package " + pkgName 12541 + " being restored so deferring FIRST_LAUNCH"); 12542 } 12543 return; 12544 } 12545 } 12546 } 12547 } 12548 // didn't find it, so not being restored 12549 if (DEBUG_BACKUP) { 12550 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12551 } 12552 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12553 } 12554 }); 12555 } 12556 12557 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12558 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12559 installerPkg, null, userIds); 12560 } 12561 12562 private abstract class HandlerParams { 12563 private static final int MAX_RETRIES = 4; 12564 12565 /** 12566 * Number of times startCopy() has been attempted and had a non-fatal 12567 * error. 12568 */ 12569 private int mRetries = 0; 12570 12571 /** User handle for the user requesting the information or installation. */ 12572 private final UserHandle mUser; 12573 String traceMethod; 12574 int traceCookie; 12575 12576 HandlerParams(UserHandle user) { 12577 mUser = user; 12578 } 12579 12580 UserHandle getUser() { 12581 return mUser; 12582 } 12583 12584 HandlerParams setTraceMethod(String traceMethod) { 12585 this.traceMethod = traceMethod; 12586 return this; 12587 } 12588 12589 HandlerParams setTraceCookie(int traceCookie) { 12590 this.traceCookie = traceCookie; 12591 return this; 12592 } 12593 12594 final boolean startCopy() { 12595 boolean res; 12596 try { 12597 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12598 12599 if (++mRetries > MAX_RETRIES) { 12600 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12601 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12602 handleServiceError(); 12603 return false; 12604 } else { 12605 handleStartCopy(); 12606 res = true; 12607 } 12608 } catch (RemoteException e) { 12609 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12610 mHandler.sendEmptyMessage(MCS_RECONNECT); 12611 res = false; 12612 } 12613 handleReturnCode(); 12614 return res; 12615 } 12616 12617 final void serviceError() { 12618 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12619 handleServiceError(); 12620 handleReturnCode(); 12621 } 12622 12623 abstract void handleStartCopy() throws RemoteException; 12624 abstract void handleServiceError(); 12625 abstract void handleReturnCode(); 12626 } 12627 12628 class MeasureParams extends HandlerParams { 12629 private final PackageStats mStats; 12630 private boolean mSuccess; 12631 12632 private final IPackageStatsObserver mObserver; 12633 12634 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12635 super(new UserHandle(stats.userHandle)); 12636 mObserver = observer; 12637 mStats = stats; 12638 } 12639 12640 @Override 12641 public String toString() { 12642 return "MeasureParams{" 12643 + Integer.toHexString(System.identityHashCode(this)) 12644 + " " + mStats.packageName + "}"; 12645 } 12646 12647 @Override 12648 void handleStartCopy() throws RemoteException { 12649 synchronized (mInstallLock) { 12650 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12651 } 12652 12653 if (mSuccess) { 12654 boolean mounted = false; 12655 try { 12656 final String status = Environment.getExternalStorageState(); 12657 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12658 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12659 } catch (Exception e) { 12660 } 12661 12662 if (mounted) { 12663 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12664 12665 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12666 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12667 12668 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12669 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12670 12671 // Always subtract cache size, since it's a subdirectory 12672 mStats.externalDataSize -= mStats.externalCacheSize; 12673 12674 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12675 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12676 12677 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12678 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12679 } 12680 } 12681 } 12682 12683 @Override 12684 void handleReturnCode() { 12685 if (mObserver != null) { 12686 try { 12687 mObserver.onGetStatsCompleted(mStats, mSuccess); 12688 } catch (RemoteException e) { 12689 Slog.i(TAG, "Observer no longer exists."); 12690 } 12691 } 12692 } 12693 12694 @Override 12695 void handleServiceError() { 12696 Slog.e(TAG, "Could not measure application " + mStats.packageName 12697 + " external storage"); 12698 } 12699 } 12700 12701 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12702 throws RemoteException { 12703 long result = 0; 12704 for (File path : paths) { 12705 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12706 } 12707 return result; 12708 } 12709 12710 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12711 for (File path : paths) { 12712 try { 12713 mcs.clearDirectory(path.getAbsolutePath()); 12714 } catch (RemoteException e) { 12715 } 12716 } 12717 } 12718 12719 static class OriginInfo { 12720 /** 12721 * Location where install is coming from, before it has been 12722 * copied/renamed into place. This could be a single monolithic APK 12723 * file, or a cluster directory. This location may be untrusted. 12724 */ 12725 final File file; 12726 final String cid; 12727 12728 /** 12729 * Flag indicating that {@link #file} or {@link #cid} has already been 12730 * staged, meaning downstream users don't need to defensively copy the 12731 * contents. 12732 */ 12733 final boolean staged; 12734 12735 /** 12736 * Flag indicating that {@link #file} or {@link #cid} is an already 12737 * installed app that is being moved. 12738 */ 12739 final boolean existing; 12740 12741 final String resolvedPath; 12742 final File resolvedFile; 12743 12744 static OriginInfo fromNothing() { 12745 return new OriginInfo(null, null, false, false); 12746 } 12747 12748 static OriginInfo fromUntrustedFile(File file) { 12749 return new OriginInfo(file, null, false, false); 12750 } 12751 12752 static OriginInfo fromExistingFile(File file) { 12753 return new OriginInfo(file, null, false, true); 12754 } 12755 12756 static OriginInfo fromStagedFile(File file) { 12757 return new OriginInfo(file, null, true, false); 12758 } 12759 12760 static OriginInfo fromStagedContainer(String cid) { 12761 return new OriginInfo(null, cid, true, false); 12762 } 12763 12764 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12765 this.file = file; 12766 this.cid = cid; 12767 this.staged = staged; 12768 this.existing = existing; 12769 12770 if (cid != null) { 12771 resolvedPath = PackageHelper.getSdDir(cid); 12772 resolvedFile = new File(resolvedPath); 12773 } else if (file != null) { 12774 resolvedPath = file.getAbsolutePath(); 12775 resolvedFile = file; 12776 } else { 12777 resolvedPath = null; 12778 resolvedFile = null; 12779 } 12780 } 12781 } 12782 12783 static class MoveInfo { 12784 final int moveId; 12785 final String fromUuid; 12786 final String toUuid; 12787 final String packageName; 12788 final String dataAppName; 12789 final int appId; 12790 final String seinfo; 12791 final int targetSdkVersion; 12792 12793 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12794 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12795 this.moveId = moveId; 12796 this.fromUuid = fromUuid; 12797 this.toUuid = toUuid; 12798 this.packageName = packageName; 12799 this.dataAppName = dataAppName; 12800 this.appId = appId; 12801 this.seinfo = seinfo; 12802 this.targetSdkVersion = targetSdkVersion; 12803 } 12804 } 12805 12806 static class VerificationInfo { 12807 /** A constant used to indicate that a uid value is not present. */ 12808 public static final int NO_UID = -1; 12809 12810 /** URI referencing where the package was downloaded from. */ 12811 final Uri originatingUri; 12812 12813 /** HTTP referrer URI associated with the originatingURI. */ 12814 final Uri referrer; 12815 12816 /** UID of the application that the install request originated from. */ 12817 final int originatingUid; 12818 12819 /** UID of application requesting the install */ 12820 final int installerUid; 12821 12822 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12823 this.originatingUri = originatingUri; 12824 this.referrer = referrer; 12825 this.originatingUid = originatingUid; 12826 this.installerUid = installerUid; 12827 } 12828 } 12829 12830 class InstallParams extends HandlerParams { 12831 final OriginInfo origin; 12832 final MoveInfo move; 12833 final IPackageInstallObserver2 observer; 12834 int installFlags; 12835 final String installerPackageName; 12836 final String volumeUuid; 12837 private InstallArgs mArgs; 12838 private int mRet; 12839 final String packageAbiOverride; 12840 final String[] grantedRuntimePermissions; 12841 final VerificationInfo verificationInfo; 12842 final Certificate[][] certificates; 12843 12844 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12845 int installFlags, String installerPackageName, String volumeUuid, 12846 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12847 String[] grantedPermissions, Certificate[][] certificates) { 12848 super(user); 12849 this.origin = origin; 12850 this.move = move; 12851 this.observer = observer; 12852 this.installFlags = installFlags; 12853 this.installerPackageName = installerPackageName; 12854 this.volumeUuid = volumeUuid; 12855 this.verificationInfo = verificationInfo; 12856 this.packageAbiOverride = packageAbiOverride; 12857 this.grantedRuntimePermissions = grantedPermissions; 12858 this.certificates = certificates; 12859 } 12860 12861 @Override 12862 public String toString() { 12863 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12864 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12865 } 12866 12867 private int installLocationPolicy(PackageInfoLite pkgLite) { 12868 String packageName = pkgLite.packageName; 12869 int installLocation = pkgLite.installLocation; 12870 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12871 // reader 12872 synchronized (mPackages) { 12873 // Currently installed package which the new package is attempting to replace or 12874 // null if no such package is installed. 12875 PackageParser.Package installedPkg = mPackages.get(packageName); 12876 // Package which currently owns the data which the new package will own if installed. 12877 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12878 // will be null whereas dataOwnerPkg will contain information about the package 12879 // which was uninstalled while keeping its data. 12880 PackageParser.Package dataOwnerPkg = installedPkg; 12881 if (dataOwnerPkg == null) { 12882 PackageSetting ps = mSettings.mPackages.get(packageName); 12883 if (ps != null) { 12884 dataOwnerPkg = ps.pkg; 12885 } 12886 } 12887 12888 if (dataOwnerPkg != null) { 12889 // If installed, the package will get access to data left on the device by its 12890 // predecessor. As a security measure, this is permited only if this is not a 12891 // version downgrade or if the predecessor package is marked as debuggable and 12892 // a downgrade is explicitly requested. 12893 // 12894 // On debuggable platform builds, downgrades are permitted even for 12895 // non-debuggable packages to make testing easier. Debuggable platform builds do 12896 // not offer security guarantees and thus it's OK to disable some security 12897 // mechanisms to make debugging/testing easier on those builds. However, even on 12898 // debuggable builds downgrades of packages are permitted only if requested via 12899 // installFlags. This is because we aim to keep the behavior of debuggable 12900 // platform builds as close as possible to the behavior of non-debuggable 12901 // platform builds. 12902 final boolean downgradeRequested = 12903 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12904 final boolean packageDebuggable = 12905 (dataOwnerPkg.applicationInfo.flags 12906 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12907 final boolean downgradePermitted = 12908 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12909 if (!downgradePermitted) { 12910 try { 12911 checkDowngrade(dataOwnerPkg, pkgLite); 12912 } catch (PackageManagerException e) { 12913 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12914 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12915 } 12916 } 12917 } 12918 12919 if (installedPkg != null) { 12920 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12921 // Check for updated system application. 12922 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12923 if (onSd) { 12924 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12925 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12926 } 12927 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12928 } else { 12929 if (onSd) { 12930 // Install flag overrides everything. 12931 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12932 } 12933 // If current upgrade specifies particular preference 12934 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12935 // Application explicitly specified internal. 12936 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12937 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12938 // App explictly prefers external. Let policy decide 12939 } else { 12940 // Prefer previous location 12941 if (isExternal(installedPkg)) { 12942 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12943 } 12944 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12945 } 12946 } 12947 } else { 12948 // Invalid install. Return error code 12949 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12950 } 12951 } 12952 } 12953 // All the special cases have been taken care of. 12954 // Return result based on recommended install location. 12955 if (onSd) { 12956 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12957 } 12958 return pkgLite.recommendedInstallLocation; 12959 } 12960 12961 /* 12962 * Invoke remote method to get package information and install 12963 * location values. Override install location based on default 12964 * policy if needed and then create install arguments based 12965 * on the install location. 12966 */ 12967 public void handleStartCopy() throws RemoteException { 12968 int ret = PackageManager.INSTALL_SUCCEEDED; 12969 12970 // If we're already staged, we've firmly committed to an install location 12971 if (origin.staged) { 12972 if (origin.file != null) { 12973 installFlags |= PackageManager.INSTALL_INTERNAL; 12974 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12975 } else if (origin.cid != null) { 12976 installFlags |= PackageManager.INSTALL_EXTERNAL; 12977 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12978 } else { 12979 throw new IllegalStateException("Invalid stage location"); 12980 } 12981 } 12982 12983 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12984 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12985 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12986 PackageInfoLite pkgLite = null; 12987 12988 if (onInt && onSd) { 12989 // Check if both bits are set. 12990 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12991 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12992 } else if (onSd && ephemeral) { 12993 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12994 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12995 } else { 12996 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12997 packageAbiOverride); 12998 12999 if (DEBUG_EPHEMERAL && ephemeral) { 13000 Slog.v(TAG, "pkgLite for install: " + pkgLite); 13001 } 13002 13003 /* 13004 * If we have too little free space, try to free cache 13005 * before giving up. 13006 */ 13007 if (!origin.staged && pkgLite.recommendedInstallLocation 13008 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13009 // TODO: focus freeing disk space on the target device 13010 final StorageManager storage = StorageManager.from(mContext); 13011 final long lowThreshold = storage.getStorageLowBytes( 13012 Environment.getDataDirectory()); 13013 13014 final long sizeBytes = mContainerService.calculateInstalledSize( 13015 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 13016 13017 try { 13018 mInstaller.freeCache(null, sizeBytes + lowThreshold); 13019 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 13020 installFlags, packageAbiOverride); 13021 } catch (InstallerException e) { 13022 Slog.w(TAG, "Failed to free cache", e); 13023 } 13024 13025 /* 13026 * The cache free must have deleted the file we 13027 * downloaded to install. 13028 * 13029 * TODO: fix the "freeCache" call to not delete 13030 * the file we care about. 13031 */ 13032 if (pkgLite.recommendedInstallLocation 13033 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13034 pkgLite.recommendedInstallLocation 13035 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 13036 } 13037 } 13038 } 13039 13040 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13041 int loc = pkgLite.recommendedInstallLocation; 13042 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 13043 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13044 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 13045 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13046 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13047 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13048 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13049 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13050 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13051 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13052 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13053 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13054 } else { 13055 // Override with defaults if needed. 13056 loc = installLocationPolicy(pkgLite); 13057 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13058 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13059 } else if (!onSd && !onInt) { 13060 // Override install location with flags 13061 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13062 // Set the flag to install on external media. 13063 installFlags |= PackageManager.INSTALL_EXTERNAL; 13064 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13065 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13066 if (DEBUG_EPHEMERAL) { 13067 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13068 } 13069 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13070 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13071 |PackageManager.INSTALL_INTERNAL); 13072 } else { 13073 // Make sure the flag for installing on external 13074 // media is unset 13075 installFlags |= PackageManager.INSTALL_INTERNAL; 13076 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13077 } 13078 } 13079 } 13080 } 13081 13082 final InstallArgs args = createInstallArgs(this); 13083 mArgs = args; 13084 13085 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13086 // TODO: http://b/22976637 13087 // Apps installed for "all" users use the device owner to verify the app 13088 UserHandle verifierUser = getUser(); 13089 if (verifierUser == UserHandle.ALL) { 13090 verifierUser = UserHandle.SYSTEM; 13091 } 13092 13093 /* 13094 * Determine if we have any installed package verifiers. If we 13095 * do, then we'll defer to them to verify the packages. 13096 */ 13097 final int requiredUid = mRequiredVerifierPackage == null ? -1 13098 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13099 verifierUser.getIdentifier()); 13100 if (!origin.existing && requiredUid != -1 13101 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13102 final Intent verification = new Intent( 13103 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13104 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13105 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13106 PACKAGE_MIME_TYPE); 13107 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13108 13109 // Query all live verifiers based on current user state 13110 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13111 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13112 13113 if (DEBUG_VERIFY) { 13114 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13115 + verification.toString() + " with " + pkgLite.verifiers.length 13116 + " optional verifiers"); 13117 } 13118 13119 final int verificationId = mPendingVerificationToken++; 13120 13121 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13122 13123 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13124 installerPackageName); 13125 13126 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13127 installFlags); 13128 13129 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13130 pkgLite.packageName); 13131 13132 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13133 pkgLite.versionCode); 13134 13135 if (verificationInfo != null) { 13136 if (verificationInfo.originatingUri != null) { 13137 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13138 verificationInfo.originatingUri); 13139 } 13140 if (verificationInfo.referrer != null) { 13141 verification.putExtra(Intent.EXTRA_REFERRER, 13142 verificationInfo.referrer); 13143 } 13144 if (verificationInfo.originatingUid >= 0) { 13145 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13146 verificationInfo.originatingUid); 13147 } 13148 if (verificationInfo.installerUid >= 0) { 13149 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13150 verificationInfo.installerUid); 13151 } 13152 } 13153 13154 final PackageVerificationState verificationState = new PackageVerificationState( 13155 requiredUid, args); 13156 13157 mPendingVerification.append(verificationId, verificationState); 13158 13159 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13160 receivers, verificationState); 13161 13162 /* 13163 * If any sufficient verifiers were listed in the package 13164 * manifest, attempt to ask them. 13165 */ 13166 if (sufficientVerifiers != null) { 13167 final int N = sufficientVerifiers.size(); 13168 if (N == 0) { 13169 Slog.i(TAG, "Additional verifiers required, but none installed."); 13170 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13171 } else { 13172 for (int i = 0; i < N; i++) { 13173 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13174 13175 final Intent sufficientIntent = new Intent(verification); 13176 sufficientIntent.setComponent(verifierComponent); 13177 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13178 } 13179 } 13180 } 13181 13182 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13183 mRequiredVerifierPackage, receivers); 13184 if (ret == PackageManager.INSTALL_SUCCEEDED 13185 && mRequiredVerifierPackage != null) { 13186 Trace.asyncTraceBegin( 13187 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13188 /* 13189 * Send the intent to the required verification agent, 13190 * but only start the verification timeout after the 13191 * target BroadcastReceivers have run. 13192 */ 13193 verification.setComponent(requiredVerifierComponent); 13194 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13195 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13196 new BroadcastReceiver() { 13197 @Override 13198 public void onReceive(Context context, Intent intent) { 13199 final Message msg = mHandler 13200 .obtainMessage(CHECK_PENDING_VERIFICATION); 13201 msg.arg1 = verificationId; 13202 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13203 } 13204 }, null, 0, null, null); 13205 13206 /* 13207 * We don't want the copy to proceed until verification 13208 * succeeds, so null out this field. 13209 */ 13210 mArgs = null; 13211 } 13212 } else { 13213 /* 13214 * No package verification is enabled, so immediately start 13215 * the remote call to initiate copy using temporary file. 13216 */ 13217 ret = args.copyApk(mContainerService, true); 13218 } 13219 } 13220 13221 mRet = ret; 13222 } 13223 13224 @Override 13225 void handleReturnCode() { 13226 // If mArgs is null, then MCS couldn't be reached. When it 13227 // reconnects, it will try again to install. At that point, this 13228 // will succeed. 13229 if (mArgs != null) { 13230 processPendingInstall(mArgs, mRet); 13231 } 13232 } 13233 13234 @Override 13235 void handleServiceError() { 13236 mArgs = createInstallArgs(this); 13237 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13238 } 13239 13240 public boolean isForwardLocked() { 13241 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13242 } 13243 } 13244 13245 /** 13246 * Used during creation of InstallArgs 13247 * 13248 * @param installFlags package installation flags 13249 * @return true if should be installed on external storage 13250 */ 13251 private static boolean installOnExternalAsec(int installFlags) { 13252 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13253 return false; 13254 } 13255 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13256 return true; 13257 } 13258 return false; 13259 } 13260 13261 /** 13262 * Used during creation of InstallArgs 13263 * 13264 * @param installFlags package installation flags 13265 * @return true if should be installed as forward locked 13266 */ 13267 private static boolean installForwardLocked(int installFlags) { 13268 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13269 } 13270 13271 private InstallArgs createInstallArgs(InstallParams params) { 13272 if (params.move != null) { 13273 return new MoveInstallArgs(params); 13274 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13275 return new AsecInstallArgs(params); 13276 } else { 13277 return new FileInstallArgs(params); 13278 } 13279 } 13280 13281 /** 13282 * Create args that describe an existing installed package. Typically used 13283 * when cleaning up old installs, or used as a move source. 13284 */ 13285 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13286 String resourcePath, String[] instructionSets) { 13287 final boolean isInAsec; 13288 if (installOnExternalAsec(installFlags)) { 13289 /* Apps on SD card are always in ASEC containers. */ 13290 isInAsec = true; 13291 } else if (installForwardLocked(installFlags) 13292 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13293 /* 13294 * Forward-locked apps are only in ASEC containers if they're the 13295 * new style 13296 */ 13297 isInAsec = true; 13298 } else { 13299 isInAsec = false; 13300 } 13301 13302 if (isInAsec) { 13303 return new AsecInstallArgs(codePath, instructionSets, 13304 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13305 } else { 13306 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13307 } 13308 } 13309 13310 static abstract class InstallArgs { 13311 /** @see InstallParams#origin */ 13312 final OriginInfo origin; 13313 /** @see InstallParams#move */ 13314 final MoveInfo move; 13315 13316 final IPackageInstallObserver2 observer; 13317 // Always refers to PackageManager flags only 13318 final int installFlags; 13319 final String installerPackageName; 13320 final String volumeUuid; 13321 final UserHandle user; 13322 final String abiOverride; 13323 final String[] installGrantPermissions; 13324 /** If non-null, drop an async trace when the install completes */ 13325 final String traceMethod; 13326 final int traceCookie; 13327 final Certificate[][] certificates; 13328 13329 // The list of instruction sets supported by this app. This is currently 13330 // only used during the rmdex() phase to clean up resources. We can get rid of this 13331 // if we move dex files under the common app path. 13332 /* nullable */ String[] instructionSets; 13333 13334 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13335 int installFlags, String installerPackageName, String volumeUuid, 13336 UserHandle user, String[] instructionSets, 13337 String abiOverride, String[] installGrantPermissions, 13338 String traceMethod, int traceCookie, Certificate[][] certificates) { 13339 this.origin = origin; 13340 this.move = move; 13341 this.installFlags = installFlags; 13342 this.observer = observer; 13343 this.installerPackageName = installerPackageName; 13344 this.volumeUuid = volumeUuid; 13345 this.user = user; 13346 this.instructionSets = instructionSets; 13347 this.abiOverride = abiOverride; 13348 this.installGrantPermissions = installGrantPermissions; 13349 this.traceMethod = traceMethod; 13350 this.traceCookie = traceCookie; 13351 this.certificates = certificates; 13352 } 13353 13354 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13355 abstract int doPreInstall(int status); 13356 13357 /** 13358 * Rename package into final resting place. All paths on the given 13359 * scanned package should be updated to reflect the rename. 13360 */ 13361 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13362 abstract int doPostInstall(int status, int uid); 13363 13364 /** @see PackageSettingBase#codePathString */ 13365 abstract String getCodePath(); 13366 /** @see PackageSettingBase#resourcePathString */ 13367 abstract String getResourcePath(); 13368 13369 // Need installer lock especially for dex file removal. 13370 abstract void cleanUpResourcesLI(); 13371 abstract boolean doPostDeleteLI(boolean delete); 13372 13373 /** 13374 * Called before the source arguments are copied. This is used mostly 13375 * for MoveParams when it needs to read the source file to put it in the 13376 * destination. 13377 */ 13378 int doPreCopy() { 13379 return PackageManager.INSTALL_SUCCEEDED; 13380 } 13381 13382 /** 13383 * Called after the source arguments are copied. This is used mostly for 13384 * MoveParams when it needs to read the source file to put it in the 13385 * destination. 13386 */ 13387 int doPostCopy(int uid) { 13388 return PackageManager.INSTALL_SUCCEEDED; 13389 } 13390 13391 protected boolean isFwdLocked() { 13392 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13393 } 13394 13395 protected boolean isExternalAsec() { 13396 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13397 } 13398 13399 protected boolean isEphemeral() { 13400 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13401 } 13402 13403 UserHandle getUser() { 13404 return user; 13405 } 13406 } 13407 13408 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13409 if (!allCodePaths.isEmpty()) { 13410 if (instructionSets == null) { 13411 throw new IllegalStateException("instructionSet == null"); 13412 } 13413 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13414 for (String codePath : allCodePaths) { 13415 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13416 try { 13417 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13418 } catch (InstallerException ignored) { 13419 } 13420 } 13421 } 13422 } 13423 } 13424 13425 /** 13426 * Logic to handle installation of non-ASEC applications, including copying 13427 * and renaming logic. 13428 */ 13429 class FileInstallArgs extends InstallArgs { 13430 private File codeFile; 13431 private File resourceFile; 13432 13433 // Example topology: 13434 // /data/app/com.example/base.apk 13435 // /data/app/com.example/split_foo.apk 13436 // /data/app/com.example/lib/arm/libfoo.so 13437 // /data/app/com.example/lib/arm64/libfoo.so 13438 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13439 13440 /** New install */ 13441 FileInstallArgs(InstallParams params) { 13442 super(params.origin, params.move, params.observer, params.installFlags, 13443 params.installerPackageName, params.volumeUuid, 13444 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13445 params.grantedRuntimePermissions, 13446 params.traceMethod, params.traceCookie, params.certificates); 13447 if (isFwdLocked()) { 13448 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13449 } 13450 } 13451 13452 /** Existing install */ 13453 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13454 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13455 null, null, null, 0, null /*certificates*/); 13456 this.codeFile = (codePath != null) ? new File(codePath) : null; 13457 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13458 } 13459 13460 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13461 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13462 try { 13463 return doCopyApk(imcs, temp); 13464 } finally { 13465 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13466 } 13467 } 13468 13469 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13470 if (origin.staged) { 13471 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13472 codeFile = origin.file; 13473 resourceFile = origin.file; 13474 return PackageManager.INSTALL_SUCCEEDED; 13475 } 13476 13477 try { 13478 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13479 final File tempDir = 13480 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13481 codeFile = tempDir; 13482 resourceFile = tempDir; 13483 } catch (IOException e) { 13484 Slog.w(TAG, "Failed to create copy file: " + e); 13485 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13486 } 13487 13488 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13489 @Override 13490 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13491 if (!FileUtils.isValidExtFilename(name)) { 13492 throw new IllegalArgumentException("Invalid filename: " + name); 13493 } 13494 try { 13495 final File file = new File(codeFile, name); 13496 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13497 O_RDWR | O_CREAT, 0644); 13498 Os.chmod(file.getAbsolutePath(), 0644); 13499 return new ParcelFileDescriptor(fd); 13500 } catch (ErrnoException e) { 13501 throw new RemoteException("Failed to open: " + e.getMessage()); 13502 } 13503 } 13504 }; 13505 13506 int ret = PackageManager.INSTALL_SUCCEEDED; 13507 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13508 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13509 Slog.e(TAG, "Failed to copy package"); 13510 return ret; 13511 } 13512 13513 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13514 NativeLibraryHelper.Handle handle = null; 13515 try { 13516 handle = NativeLibraryHelper.Handle.create(codeFile); 13517 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13518 abiOverride); 13519 } catch (IOException e) { 13520 Slog.e(TAG, "Copying native libraries failed", e); 13521 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13522 } finally { 13523 IoUtils.closeQuietly(handle); 13524 } 13525 13526 return ret; 13527 } 13528 13529 int doPreInstall(int status) { 13530 if (status != PackageManager.INSTALL_SUCCEEDED) { 13531 cleanUp(); 13532 } 13533 return status; 13534 } 13535 13536 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13537 if (status != PackageManager.INSTALL_SUCCEEDED) { 13538 cleanUp(); 13539 return false; 13540 } 13541 13542 final File targetDir = codeFile.getParentFile(); 13543 final File beforeCodeFile = codeFile; 13544 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13545 13546 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13547 try { 13548 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13549 } catch (ErrnoException e) { 13550 Slog.w(TAG, "Failed to rename", e); 13551 return false; 13552 } 13553 13554 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13555 Slog.w(TAG, "Failed to restorecon"); 13556 return false; 13557 } 13558 13559 // Reflect the rename internally 13560 codeFile = afterCodeFile; 13561 resourceFile = afterCodeFile; 13562 13563 // Reflect the rename in scanned details 13564 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13565 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13566 afterCodeFile, pkg.baseCodePath)); 13567 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13568 afterCodeFile, pkg.splitCodePaths)); 13569 13570 // Reflect the rename in app info 13571 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13572 pkg.setApplicationInfoCodePath(pkg.codePath); 13573 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13574 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13575 pkg.setApplicationInfoResourcePath(pkg.codePath); 13576 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13577 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13578 13579 return true; 13580 } 13581 13582 int doPostInstall(int status, int uid) { 13583 if (status != PackageManager.INSTALL_SUCCEEDED) { 13584 cleanUp(); 13585 } 13586 return status; 13587 } 13588 13589 @Override 13590 String getCodePath() { 13591 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13592 } 13593 13594 @Override 13595 String getResourcePath() { 13596 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13597 } 13598 13599 private boolean cleanUp() { 13600 if (codeFile == null || !codeFile.exists()) { 13601 return false; 13602 } 13603 13604 removeCodePathLI(codeFile); 13605 13606 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13607 resourceFile.delete(); 13608 } 13609 13610 return true; 13611 } 13612 13613 void cleanUpResourcesLI() { 13614 // Try enumerating all code paths before deleting 13615 List<String> allCodePaths = Collections.EMPTY_LIST; 13616 if (codeFile != null && codeFile.exists()) { 13617 try { 13618 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13619 allCodePaths = pkg.getAllCodePaths(); 13620 } catch (PackageParserException e) { 13621 // Ignored; we tried our best 13622 } 13623 } 13624 13625 cleanUp(); 13626 removeDexFiles(allCodePaths, instructionSets); 13627 } 13628 13629 boolean doPostDeleteLI(boolean delete) { 13630 // XXX err, shouldn't we respect the delete flag? 13631 cleanUpResourcesLI(); 13632 return true; 13633 } 13634 } 13635 13636 private boolean isAsecExternal(String cid) { 13637 final String asecPath = PackageHelper.getSdFilesystem(cid); 13638 return !asecPath.startsWith(mAsecInternalPath); 13639 } 13640 13641 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13642 PackageManagerException { 13643 if (copyRet < 0) { 13644 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13645 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13646 throw new PackageManagerException(copyRet, message); 13647 } 13648 } 13649 } 13650 13651 /** 13652 * Extract the MountService "container ID" from the full code path of an 13653 * .apk. 13654 */ 13655 static String cidFromCodePath(String fullCodePath) { 13656 int eidx = fullCodePath.lastIndexOf("/"); 13657 String subStr1 = fullCodePath.substring(0, eidx); 13658 int sidx = subStr1.lastIndexOf("/"); 13659 return subStr1.substring(sidx+1, eidx); 13660 } 13661 13662 /** 13663 * Logic to handle installation of ASEC applications, including copying and 13664 * renaming logic. 13665 */ 13666 class AsecInstallArgs extends InstallArgs { 13667 static final String RES_FILE_NAME = "pkg.apk"; 13668 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13669 13670 String cid; 13671 String packagePath; 13672 String resourcePath; 13673 13674 /** New install */ 13675 AsecInstallArgs(InstallParams params) { 13676 super(params.origin, params.move, params.observer, params.installFlags, 13677 params.installerPackageName, params.volumeUuid, 13678 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13679 params.grantedRuntimePermissions, 13680 params.traceMethod, params.traceCookie, params.certificates); 13681 } 13682 13683 /** Existing install */ 13684 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13685 boolean isExternal, boolean isForwardLocked) { 13686 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13687 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13688 instructionSets, null, null, null, 0, null /*certificates*/); 13689 // Hackily pretend we're still looking at a full code path 13690 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13691 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13692 } 13693 13694 // Extract cid from fullCodePath 13695 int eidx = fullCodePath.lastIndexOf("/"); 13696 String subStr1 = fullCodePath.substring(0, eidx); 13697 int sidx = subStr1.lastIndexOf("/"); 13698 cid = subStr1.substring(sidx+1, eidx); 13699 setMountPath(subStr1); 13700 } 13701 13702 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13703 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13704 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13705 instructionSets, null, null, null, 0, null /*certificates*/); 13706 this.cid = cid; 13707 setMountPath(PackageHelper.getSdDir(cid)); 13708 } 13709 13710 void createCopyFile() { 13711 cid = mInstallerService.allocateExternalStageCidLegacy(); 13712 } 13713 13714 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13715 if (origin.staged && origin.cid != null) { 13716 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13717 cid = origin.cid; 13718 setMountPath(PackageHelper.getSdDir(cid)); 13719 return PackageManager.INSTALL_SUCCEEDED; 13720 } 13721 13722 if (temp) { 13723 createCopyFile(); 13724 } else { 13725 /* 13726 * Pre-emptively destroy the container since it's destroyed if 13727 * copying fails due to it existing anyway. 13728 */ 13729 PackageHelper.destroySdDir(cid); 13730 } 13731 13732 final String newMountPath = imcs.copyPackageToContainer( 13733 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13734 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13735 13736 if (newMountPath != null) { 13737 setMountPath(newMountPath); 13738 return PackageManager.INSTALL_SUCCEEDED; 13739 } else { 13740 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13741 } 13742 } 13743 13744 @Override 13745 String getCodePath() { 13746 return packagePath; 13747 } 13748 13749 @Override 13750 String getResourcePath() { 13751 return resourcePath; 13752 } 13753 13754 int doPreInstall(int status) { 13755 if (status != PackageManager.INSTALL_SUCCEEDED) { 13756 // Destroy container 13757 PackageHelper.destroySdDir(cid); 13758 } else { 13759 boolean mounted = PackageHelper.isContainerMounted(cid); 13760 if (!mounted) { 13761 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13762 Process.SYSTEM_UID); 13763 if (newMountPath != null) { 13764 setMountPath(newMountPath); 13765 } else { 13766 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13767 } 13768 } 13769 } 13770 return status; 13771 } 13772 13773 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13774 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13775 String newMountPath = null; 13776 if (PackageHelper.isContainerMounted(cid)) { 13777 // Unmount the container 13778 if (!PackageHelper.unMountSdDir(cid)) { 13779 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13780 return false; 13781 } 13782 } 13783 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13784 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13785 " which might be stale. Will try to clean up."); 13786 // Clean up the stale container and proceed to recreate. 13787 if (!PackageHelper.destroySdDir(newCacheId)) { 13788 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13789 return false; 13790 } 13791 // Successfully cleaned up stale container. Try to rename again. 13792 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13793 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13794 + " inspite of cleaning it up."); 13795 return false; 13796 } 13797 } 13798 if (!PackageHelper.isContainerMounted(newCacheId)) { 13799 Slog.w(TAG, "Mounting container " + newCacheId); 13800 newMountPath = PackageHelper.mountSdDir(newCacheId, 13801 getEncryptKey(), Process.SYSTEM_UID); 13802 } else { 13803 newMountPath = PackageHelper.getSdDir(newCacheId); 13804 } 13805 if (newMountPath == null) { 13806 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13807 return false; 13808 } 13809 Log.i(TAG, "Succesfully renamed " + cid + 13810 " to " + newCacheId + 13811 " at new path: " + newMountPath); 13812 cid = newCacheId; 13813 13814 final File beforeCodeFile = new File(packagePath); 13815 setMountPath(newMountPath); 13816 final File afterCodeFile = new File(packagePath); 13817 13818 // Reflect the rename in scanned details 13819 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13820 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13821 afterCodeFile, pkg.baseCodePath)); 13822 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13823 afterCodeFile, pkg.splitCodePaths)); 13824 13825 // Reflect the rename in app info 13826 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13827 pkg.setApplicationInfoCodePath(pkg.codePath); 13828 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13829 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13830 pkg.setApplicationInfoResourcePath(pkg.codePath); 13831 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13832 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13833 13834 return true; 13835 } 13836 13837 private void setMountPath(String mountPath) { 13838 final File mountFile = new File(mountPath); 13839 13840 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13841 if (monolithicFile.exists()) { 13842 packagePath = monolithicFile.getAbsolutePath(); 13843 if (isFwdLocked()) { 13844 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13845 } else { 13846 resourcePath = packagePath; 13847 } 13848 } else { 13849 packagePath = mountFile.getAbsolutePath(); 13850 resourcePath = packagePath; 13851 } 13852 } 13853 13854 int doPostInstall(int status, int uid) { 13855 if (status != PackageManager.INSTALL_SUCCEEDED) { 13856 cleanUp(); 13857 } else { 13858 final int groupOwner; 13859 final String protectedFile; 13860 if (isFwdLocked()) { 13861 groupOwner = UserHandle.getSharedAppGid(uid); 13862 protectedFile = RES_FILE_NAME; 13863 } else { 13864 groupOwner = -1; 13865 protectedFile = null; 13866 } 13867 13868 if (uid < Process.FIRST_APPLICATION_UID 13869 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13870 Slog.e(TAG, "Failed to finalize " + cid); 13871 PackageHelper.destroySdDir(cid); 13872 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13873 } 13874 13875 boolean mounted = PackageHelper.isContainerMounted(cid); 13876 if (!mounted) { 13877 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13878 } 13879 } 13880 return status; 13881 } 13882 13883 private void cleanUp() { 13884 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13885 13886 // Destroy secure container 13887 PackageHelper.destroySdDir(cid); 13888 } 13889 13890 private List<String> getAllCodePaths() { 13891 final File codeFile = new File(getCodePath()); 13892 if (codeFile != null && codeFile.exists()) { 13893 try { 13894 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13895 return pkg.getAllCodePaths(); 13896 } catch (PackageParserException e) { 13897 // Ignored; we tried our best 13898 } 13899 } 13900 return Collections.EMPTY_LIST; 13901 } 13902 13903 void cleanUpResourcesLI() { 13904 // Enumerate all code paths before deleting 13905 cleanUpResourcesLI(getAllCodePaths()); 13906 } 13907 13908 private void cleanUpResourcesLI(List<String> allCodePaths) { 13909 cleanUp(); 13910 removeDexFiles(allCodePaths, instructionSets); 13911 } 13912 13913 String getPackageName() { 13914 return getAsecPackageName(cid); 13915 } 13916 13917 boolean doPostDeleteLI(boolean delete) { 13918 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13919 final List<String> allCodePaths = getAllCodePaths(); 13920 boolean mounted = PackageHelper.isContainerMounted(cid); 13921 if (mounted) { 13922 // Unmount first 13923 if (PackageHelper.unMountSdDir(cid)) { 13924 mounted = false; 13925 } 13926 } 13927 if (!mounted && delete) { 13928 cleanUpResourcesLI(allCodePaths); 13929 } 13930 return !mounted; 13931 } 13932 13933 @Override 13934 int doPreCopy() { 13935 if (isFwdLocked()) { 13936 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13937 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13938 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13939 } 13940 } 13941 13942 return PackageManager.INSTALL_SUCCEEDED; 13943 } 13944 13945 @Override 13946 int doPostCopy(int uid) { 13947 if (isFwdLocked()) { 13948 if (uid < Process.FIRST_APPLICATION_UID 13949 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13950 RES_FILE_NAME)) { 13951 Slog.e(TAG, "Failed to finalize " + cid); 13952 PackageHelper.destroySdDir(cid); 13953 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13954 } 13955 } 13956 13957 return PackageManager.INSTALL_SUCCEEDED; 13958 } 13959 } 13960 13961 /** 13962 * Logic to handle movement of existing installed applications. 13963 */ 13964 class MoveInstallArgs extends InstallArgs { 13965 private File codeFile; 13966 private File resourceFile; 13967 13968 /** New install */ 13969 MoveInstallArgs(InstallParams params) { 13970 super(params.origin, params.move, params.observer, params.installFlags, 13971 params.installerPackageName, params.volumeUuid, 13972 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13973 params.grantedRuntimePermissions, 13974 params.traceMethod, params.traceCookie, params.certificates); 13975 } 13976 13977 int copyApk(IMediaContainerService imcs, boolean temp) { 13978 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13979 + move.fromUuid + " to " + move.toUuid); 13980 synchronized (mInstaller) { 13981 try { 13982 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13983 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13984 } catch (InstallerException e) { 13985 Slog.w(TAG, "Failed to move app", e); 13986 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13987 } 13988 } 13989 13990 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13991 resourceFile = codeFile; 13992 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13993 13994 return PackageManager.INSTALL_SUCCEEDED; 13995 } 13996 13997 int doPreInstall(int status) { 13998 if (status != PackageManager.INSTALL_SUCCEEDED) { 13999 cleanUp(move.toUuid); 14000 } 14001 return status; 14002 } 14003 14004 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14005 if (status != PackageManager.INSTALL_SUCCEEDED) { 14006 cleanUp(move.toUuid); 14007 return false; 14008 } 14009 14010 // Reflect the move in app info 14011 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14012 pkg.setApplicationInfoCodePath(pkg.codePath); 14013 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14014 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14015 pkg.setApplicationInfoResourcePath(pkg.codePath); 14016 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14017 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14018 14019 return true; 14020 } 14021 14022 int doPostInstall(int status, int uid) { 14023 if (status == PackageManager.INSTALL_SUCCEEDED) { 14024 cleanUp(move.fromUuid); 14025 } else { 14026 cleanUp(move.toUuid); 14027 } 14028 return status; 14029 } 14030 14031 @Override 14032 String getCodePath() { 14033 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14034 } 14035 14036 @Override 14037 String getResourcePath() { 14038 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14039 } 14040 14041 private boolean cleanUp(String volumeUuid) { 14042 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 14043 move.dataAppName); 14044 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 14045 final int[] userIds = sUserManager.getUserIds(); 14046 synchronized (mInstallLock) { 14047 // Clean up both app data and code 14048 // All package moves are frozen until finished 14049 for (int userId : userIds) { 14050 try { 14051 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14052 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14053 } catch (InstallerException e) { 14054 Slog.w(TAG, String.valueOf(e)); 14055 } 14056 } 14057 removeCodePathLI(codeFile); 14058 } 14059 return true; 14060 } 14061 14062 void cleanUpResourcesLI() { 14063 throw new UnsupportedOperationException(); 14064 } 14065 14066 boolean doPostDeleteLI(boolean delete) { 14067 throw new UnsupportedOperationException(); 14068 } 14069 } 14070 14071 static String getAsecPackageName(String packageCid) { 14072 int idx = packageCid.lastIndexOf("-"); 14073 if (idx == -1) { 14074 return packageCid; 14075 } 14076 return packageCid.substring(0, idx); 14077 } 14078 14079 // Utility method used to create code paths based on package name and available index. 14080 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14081 String idxStr = ""; 14082 int idx = 1; 14083 // Fall back to default value of idx=1 if prefix is not 14084 // part of oldCodePath 14085 if (oldCodePath != null) { 14086 String subStr = oldCodePath; 14087 // Drop the suffix right away 14088 if (suffix != null && subStr.endsWith(suffix)) { 14089 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14090 } 14091 // If oldCodePath already contains prefix find out the 14092 // ending index to either increment or decrement. 14093 int sidx = subStr.lastIndexOf(prefix); 14094 if (sidx != -1) { 14095 subStr = subStr.substring(sidx + prefix.length()); 14096 if (subStr != null) { 14097 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14098 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14099 } 14100 try { 14101 idx = Integer.parseInt(subStr); 14102 if (idx <= 1) { 14103 idx++; 14104 } else { 14105 idx--; 14106 } 14107 } catch(NumberFormatException e) { 14108 } 14109 } 14110 } 14111 } 14112 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14113 return prefix + idxStr; 14114 } 14115 14116 private File getNextCodePath(File targetDir, String packageName) { 14117 int suffix = 1; 14118 File result; 14119 do { 14120 result = new File(targetDir, packageName + "-" + suffix); 14121 suffix++; 14122 } while (result.exists()); 14123 return result; 14124 } 14125 14126 // Utility method that returns the relative package path with respect 14127 // to the installation directory. Like say for /data/data/com.test-1.apk 14128 // string com.test-1 is returned. 14129 static String deriveCodePathName(String codePath) { 14130 if (codePath == null) { 14131 return null; 14132 } 14133 final File codeFile = new File(codePath); 14134 final String name = codeFile.getName(); 14135 if (codeFile.isDirectory()) { 14136 return name; 14137 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14138 final int lastDot = name.lastIndexOf('.'); 14139 return name.substring(0, lastDot); 14140 } else { 14141 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14142 return null; 14143 } 14144 } 14145 14146 static class PackageInstalledInfo { 14147 String name; 14148 int uid; 14149 // The set of users that originally had this package installed. 14150 int[] origUsers; 14151 // The set of users that now have this package installed. 14152 int[] newUsers; 14153 PackageParser.Package pkg; 14154 int returnCode; 14155 String returnMsg; 14156 PackageRemovedInfo removedInfo; 14157 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14158 14159 public void setError(int code, String msg) { 14160 setReturnCode(code); 14161 setReturnMessage(msg); 14162 Slog.w(TAG, msg); 14163 } 14164 14165 public void setError(String msg, PackageParserException e) { 14166 setReturnCode(e.error); 14167 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14168 Slog.w(TAG, msg, e); 14169 } 14170 14171 public void setError(String msg, PackageManagerException e) { 14172 returnCode = e.error; 14173 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14174 Slog.w(TAG, msg, e); 14175 } 14176 14177 public void setReturnCode(int returnCode) { 14178 this.returnCode = returnCode; 14179 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14180 for (int i = 0; i < childCount; i++) { 14181 addedChildPackages.valueAt(i).returnCode = returnCode; 14182 } 14183 } 14184 14185 private void setReturnMessage(String returnMsg) { 14186 this.returnMsg = returnMsg; 14187 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14188 for (int i = 0; i < childCount; i++) { 14189 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14190 } 14191 } 14192 14193 // In some error cases we want to convey more info back to the observer 14194 String origPackage; 14195 String origPermission; 14196 } 14197 14198 /* 14199 * Install a non-existing package. 14200 */ 14201 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14202 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14203 PackageInstalledInfo res) { 14204 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14205 14206 // Remember this for later, in case we need to rollback this install 14207 String pkgName = pkg.packageName; 14208 14209 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14210 14211 synchronized(mPackages) { 14212 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 14213 if (renamedPackage != null) { 14214 // A package with the same name is already installed, though 14215 // it has been renamed to an older name. The package we 14216 // are trying to install should be installed as an update to 14217 // the existing one, but that has not been requested, so bail. 14218 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14219 + " without first uninstalling package running as " 14220 + renamedPackage); 14221 return; 14222 } 14223 if (mPackages.containsKey(pkgName)) { 14224 // Don't allow installation over an existing package with the same name. 14225 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14226 + " without first uninstalling."); 14227 return; 14228 } 14229 } 14230 14231 try { 14232 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14233 System.currentTimeMillis(), user); 14234 14235 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14236 14237 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14238 prepareAppDataAfterInstallLIF(newPackage); 14239 14240 } else { 14241 // Remove package from internal structures, but keep around any 14242 // data that might have already existed 14243 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14244 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14245 } 14246 } catch (PackageManagerException e) { 14247 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14248 } 14249 14250 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14251 } 14252 14253 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14254 // Can't rotate keys during boot or if sharedUser. 14255 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14256 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14257 return false; 14258 } 14259 // app is using upgradeKeySets; make sure all are valid 14260 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14261 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14262 for (int i = 0; i < upgradeKeySets.length; i++) { 14263 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14264 Slog.wtf(TAG, "Package " 14265 + (oldPs.name != null ? oldPs.name : "<null>") 14266 + " contains upgrade-key-set reference to unknown key-set: " 14267 + upgradeKeySets[i] 14268 + " reverting to signatures check."); 14269 return false; 14270 } 14271 } 14272 return true; 14273 } 14274 14275 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14276 // Upgrade keysets are being used. Determine if new package has a superset of the 14277 // required keys. 14278 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14279 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14280 for (int i = 0; i < upgradeKeySets.length; i++) { 14281 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14282 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14283 return true; 14284 } 14285 } 14286 return false; 14287 } 14288 14289 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14290 try (DigestInputStream digestStream = 14291 new DigestInputStream(new FileInputStream(file), digest)) { 14292 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14293 } 14294 } 14295 14296 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14297 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14298 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14299 14300 final PackageParser.Package oldPackage; 14301 final String pkgName = pkg.packageName; 14302 final int[] allUsers; 14303 final int[] installedUsers; 14304 14305 synchronized(mPackages) { 14306 oldPackage = mPackages.get(pkgName); 14307 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14308 14309 // don't allow upgrade to target a release SDK from a pre-release SDK 14310 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14311 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14312 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14313 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14314 if (oldTargetsPreRelease 14315 && !newTargetsPreRelease 14316 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14317 Slog.w(TAG, "Can't install package targeting released sdk"); 14318 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14319 return; 14320 } 14321 14322 // don't allow an upgrade from full to ephemeral 14323 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14324 if (isEphemeral && !oldIsEphemeral) { 14325 // can't downgrade from full to ephemeral 14326 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14327 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14328 return; 14329 } 14330 14331 // verify signatures are valid 14332 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14333 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14334 if (!checkUpgradeKeySetLP(ps, pkg)) { 14335 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14336 "New package not signed by keys specified by upgrade-keysets: " 14337 + pkgName); 14338 return; 14339 } 14340 } else { 14341 // default to original signature matching 14342 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14343 != PackageManager.SIGNATURE_MATCH) { 14344 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14345 "New package has a different signature: " + pkgName); 14346 return; 14347 } 14348 } 14349 14350 // don't allow a system upgrade unless the upgrade hash matches 14351 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14352 byte[] digestBytes = null; 14353 try { 14354 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14355 updateDigest(digest, new File(pkg.baseCodePath)); 14356 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14357 for (String path : pkg.splitCodePaths) { 14358 updateDigest(digest, new File(path)); 14359 } 14360 } 14361 digestBytes = digest.digest(); 14362 } catch (NoSuchAlgorithmException | IOException e) { 14363 res.setError(INSTALL_FAILED_INVALID_APK, 14364 "Could not compute hash: " + pkgName); 14365 return; 14366 } 14367 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14368 res.setError(INSTALL_FAILED_INVALID_APK, 14369 "New package fails restrict-update check: " + pkgName); 14370 return; 14371 } 14372 // retain upgrade restriction 14373 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14374 } 14375 14376 // Check for shared user id changes 14377 String invalidPackageName = 14378 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14379 if (invalidPackageName != null) { 14380 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14381 "Package " + invalidPackageName + " tried to change user " 14382 + oldPackage.mSharedUserId); 14383 return; 14384 } 14385 14386 // In case of rollback, remember per-user/profile install state 14387 allUsers = sUserManager.getUserIds(); 14388 installedUsers = ps.queryInstalledUsers(allUsers, true); 14389 } 14390 14391 // Update what is removed 14392 res.removedInfo = new PackageRemovedInfo(); 14393 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14394 res.removedInfo.removedPackage = oldPackage.packageName; 14395 res.removedInfo.isUpdate = true; 14396 res.removedInfo.origUsers = installedUsers; 14397 final int childCount = (oldPackage.childPackages != null) 14398 ? oldPackage.childPackages.size() : 0; 14399 for (int i = 0; i < childCount; i++) { 14400 boolean childPackageUpdated = false; 14401 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14402 if (res.addedChildPackages != null) { 14403 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14404 if (childRes != null) { 14405 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14406 childRes.removedInfo.removedPackage = childPkg.packageName; 14407 childRes.removedInfo.isUpdate = true; 14408 childPackageUpdated = true; 14409 } 14410 } 14411 if (!childPackageUpdated) { 14412 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14413 childRemovedRes.removedPackage = childPkg.packageName; 14414 childRemovedRes.isUpdate = false; 14415 childRemovedRes.dataRemoved = true; 14416 synchronized (mPackages) { 14417 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14418 if (childPs != null) { 14419 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14420 } 14421 } 14422 if (res.removedInfo.removedChildPackages == null) { 14423 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14424 } 14425 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14426 } 14427 } 14428 14429 boolean sysPkg = (isSystemApp(oldPackage)); 14430 if (sysPkg) { 14431 // Set the system/privileged flags as needed 14432 final boolean privileged = 14433 (oldPackage.applicationInfo.privateFlags 14434 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14435 final int systemPolicyFlags = policyFlags 14436 | PackageParser.PARSE_IS_SYSTEM 14437 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14438 14439 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14440 user, allUsers, installerPackageName, res); 14441 } else { 14442 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14443 user, allUsers, installerPackageName, res); 14444 } 14445 } 14446 14447 public List<String> getPreviousCodePaths(String packageName) { 14448 final PackageSetting ps = mSettings.mPackages.get(packageName); 14449 final List<String> result = new ArrayList<String>(); 14450 if (ps != null && ps.oldCodePaths != null) { 14451 result.addAll(ps.oldCodePaths); 14452 } 14453 return result; 14454 } 14455 14456 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14457 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14458 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14459 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14460 + deletedPackage); 14461 14462 String pkgName = deletedPackage.packageName; 14463 boolean deletedPkg = true; 14464 boolean addedPkg = false; 14465 boolean updatedSettings = false; 14466 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14467 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14468 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14469 14470 final long origUpdateTime = (pkg.mExtras != null) 14471 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14472 14473 // First delete the existing package while retaining the data directory 14474 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14475 res.removedInfo, true, pkg)) { 14476 // If the existing package wasn't successfully deleted 14477 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14478 deletedPkg = false; 14479 } else { 14480 // Successfully deleted the old package; proceed with replace. 14481 14482 // If deleted package lived in a container, give users a chance to 14483 // relinquish resources before killing. 14484 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14485 if (DEBUG_INSTALL) { 14486 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14487 } 14488 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14489 final ArrayList<String> pkgList = new ArrayList<String>(1); 14490 pkgList.add(deletedPackage.applicationInfo.packageName); 14491 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14492 } 14493 14494 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14495 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14496 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14497 14498 try { 14499 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14500 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14501 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14502 14503 // Update the in-memory copy of the previous code paths. 14504 PackageSetting ps = mSettings.mPackages.get(pkgName); 14505 if (!killApp) { 14506 if (ps.oldCodePaths == null) { 14507 ps.oldCodePaths = new ArraySet<>(); 14508 } 14509 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14510 if (deletedPackage.splitCodePaths != null) { 14511 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14512 } 14513 } else { 14514 ps.oldCodePaths = null; 14515 } 14516 if (ps.childPackageNames != null) { 14517 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14518 final String childPkgName = ps.childPackageNames.get(i); 14519 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14520 childPs.oldCodePaths = ps.oldCodePaths; 14521 } 14522 } 14523 prepareAppDataAfterInstallLIF(newPackage); 14524 addedPkg = true; 14525 } catch (PackageManagerException e) { 14526 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14527 } 14528 } 14529 14530 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14531 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14532 14533 // Revert all internal state mutations and added folders for the failed install 14534 if (addedPkg) { 14535 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14536 res.removedInfo, true, null); 14537 } 14538 14539 // Restore the old package 14540 if (deletedPkg) { 14541 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14542 File restoreFile = new File(deletedPackage.codePath); 14543 // Parse old package 14544 boolean oldExternal = isExternal(deletedPackage); 14545 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14546 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14547 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14548 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14549 try { 14550 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14551 null); 14552 } catch (PackageManagerException e) { 14553 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14554 + e.getMessage()); 14555 return; 14556 } 14557 14558 synchronized (mPackages) { 14559 // Ensure the installer package name up to date 14560 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14561 14562 // Update permissions for restored package 14563 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14564 14565 mSettings.writeLPr(); 14566 } 14567 14568 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14569 } 14570 } else { 14571 synchronized (mPackages) { 14572 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14573 if (ps != null) { 14574 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14575 if (res.removedInfo.removedChildPackages != null) { 14576 final int childCount = res.removedInfo.removedChildPackages.size(); 14577 // Iterate in reverse as we may modify the collection 14578 for (int i = childCount - 1; i >= 0; i--) { 14579 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14580 if (res.addedChildPackages.containsKey(childPackageName)) { 14581 res.removedInfo.removedChildPackages.removeAt(i); 14582 } else { 14583 PackageRemovedInfo childInfo = res.removedInfo 14584 .removedChildPackages.valueAt(i); 14585 childInfo.removedForAllUsers = mPackages.get( 14586 childInfo.removedPackage) == null; 14587 } 14588 } 14589 } 14590 } 14591 } 14592 } 14593 } 14594 14595 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14596 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14597 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14598 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14599 + ", old=" + deletedPackage); 14600 14601 final boolean disabledSystem; 14602 14603 // Remove existing system package 14604 removePackageLI(deletedPackage, true); 14605 14606 synchronized (mPackages) { 14607 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14608 } 14609 if (!disabledSystem) { 14610 // We didn't need to disable the .apk as a current system package, 14611 // which means we are replacing another update that is already 14612 // installed. We need to make sure to delete the older one's .apk. 14613 res.removedInfo.args = createInstallArgsForExisting(0, 14614 deletedPackage.applicationInfo.getCodePath(), 14615 deletedPackage.applicationInfo.getResourcePath(), 14616 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14617 } else { 14618 res.removedInfo.args = null; 14619 } 14620 14621 // Successfully disabled the old package. Now proceed with re-installation 14622 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14623 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14624 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14625 14626 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14627 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14628 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14629 14630 PackageParser.Package newPackage = null; 14631 try { 14632 // Add the package to the internal data structures 14633 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14634 14635 // Set the update and install times 14636 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14637 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14638 System.currentTimeMillis()); 14639 14640 // Update the package dynamic state if succeeded 14641 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14642 // Now that the install succeeded make sure we remove data 14643 // directories for any child package the update removed. 14644 final int deletedChildCount = (deletedPackage.childPackages != null) 14645 ? deletedPackage.childPackages.size() : 0; 14646 final int newChildCount = (newPackage.childPackages != null) 14647 ? newPackage.childPackages.size() : 0; 14648 for (int i = 0; i < deletedChildCount; i++) { 14649 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14650 boolean childPackageDeleted = true; 14651 for (int j = 0; j < newChildCount; j++) { 14652 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14653 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14654 childPackageDeleted = false; 14655 break; 14656 } 14657 } 14658 if (childPackageDeleted) { 14659 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14660 deletedChildPkg.packageName); 14661 if (ps != null && res.removedInfo.removedChildPackages != null) { 14662 PackageRemovedInfo removedChildRes = res.removedInfo 14663 .removedChildPackages.get(deletedChildPkg.packageName); 14664 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14665 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14666 } 14667 } 14668 } 14669 14670 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14671 prepareAppDataAfterInstallLIF(newPackage); 14672 } 14673 } catch (PackageManagerException e) { 14674 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14675 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14676 } 14677 14678 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14679 // Re installation failed. Restore old information 14680 // Remove new pkg information 14681 if (newPackage != null) { 14682 removeInstalledPackageLI(newPackage, true); 14683 } 14684 // Add back the old system package 14685 try { 14686 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14687 } catch (PackageManagerException e) { 14688 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14689 } 14690 14691 synchronized (mPackages) { 14692 if (disabledSystem) { 14693 enableSystemPackageLPw(deletedPackage); 14694 } 14695 14696 // Ensure the installer package name up to date 14697 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14698 14699 // Update permissions for restored package 14700 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14701 14702 mSettings.writeLPr(); 14703 } 14704 14705 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14706 + " after failed upgrade"); 14707 } 14708 } 14709 14710 /** 14711 * Checks whether the parent or any of the child packages have a change shared 14712 * user. For a package to be a valid update the shred users of the parent and 14713 * the children should match. We may later support changing child shared users. 14714 * @param oldPkg The updated package. 14715 * @param newPkg The update package. 14716 * @return The shared user that change between the versions. 14717 */ 14718 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14719 PackageParser.Package newPkg) { 14720 // Check parent shared user 14721 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14722 return newPkg.packageName; 14723 } 14724 // Check child shared users 14725 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14726 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14727 for (int i = 0; i < newChildCount; i++) { 14728 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14729 // If this child was present, did it have the same shared user? 14730 for (int j = 0; j < oldChildCount; j++) { 14731 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14732 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14733 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14734 return newChildPkg.packageName; 14735 } 14736 } 14737 } 14738 return null; 14739 } 14740 14741 private void removeNativeBinariesLI(PackageSetting ps) { 14742 // Remove the lib path for the parent package 14743 if (ps != null) { 14744 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14745 // Remove the lib path for the child packages 14746 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14747 for (int i = 0; i < childCount; i++) { 14748 PackageSetting childPs = null; 14749 synchronized (mPackages) { 14750 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14751 } 14752 if (childPs != null) { 14753 NativeLibraryHelper.removeNativeBinariesLI(childPs 14754 .legacyNativeLibraryPathString); 14755 } 14756 } 14757 } 14758 } 14759 14760 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14761 // Enable the parent package 14762 mSettings.enableSystemPackageLPw(pkg.packageName); 14763 // Enable the child packages 14764 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14765 for (int i = 0; i < childCount; i++) { 14766 PackageParser.Package childPkg = pkg.childPackages.get(i); 14767 mSettings.enableSystemPackageLPw(childPkg.packageName); 14768 } 14769 } 14770 14771 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14772 PackageParser.Package newPkg) { 14773 // Disable the parent package (parent always replaced) 14774 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14775 // Disable the child packages 14776 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14777 for (int i = 0; i < childCount; i++) { 14778 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14779 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14780 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14781 } 14782 return disabled; 14783 } 14784 14785 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14786 String installerPackageName) { 14787 // Enable the parent package 14788 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14789 // Enable the child packages 14790 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14791 for (int i = 0; i < childCount; i++) { 14792 PackageParser.Package childPkg = pkg.childPackages.get(i); 14793 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14794 } 14795 } 14796 14797 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14798 // Collect all used permissions in the UID 14799 ArraySet<String> usedPermissions = new ArraySet<>(); 14800 final int packageCount = su.packages.size(); 14801 for (int i = 0; i < packageCount; i++) { 14802 PackageSetting ps = su.packages.valueAt(i); 14803 if (ps.pkg == null) { 14804 continue; 14805 } 14806 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14807 for (int j = 0; j < requestedPermCount; j++) { 14808 String permission = ps.pkg.requestedPermissions.get(j); 14809 BasePermission bp = mSettings.mPermissions.get(permission); 14810 if (bp != null) { 14811 usedPermissions.add(permission); 14812 } 14813 } 14814 } 14815 14816 PermissionsState permissionsState = su.getPermissionsState(); 14817 // Prune install permissions 14818 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14819 final int installPermCount = installPermStates.size(); 14820 for (int i = installPermCount - 1; i >= 0; i--) { 14821 PermissionState permissionState = installPermStates.get(i); 14822 if (!usedPermissions.contains(permissionState.getName())) { 14823 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14824 if (bp != null) { 14825 permissionsState.revokeInstallPermission(bp); 14826 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14827 PackageManager.MASK_PERMISSION_FLAGS, 0); 14828 } 14829 } 14830 } 14831 14832 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14833 14834 // Prune runtime permissions 14835 for (int userId : allUserIds) { 14836 List<PermissionState> runtimePermStates = permissionsState 14837 .getRuntimePermissionStates(userId); 14838 final int runtimePermCount = runtimePermStates.size(); 14839 for (int i = runtimePermCount - 1; i >= 0; i--) { 14840 PermissionState permissionState = runtimePermStates.get(i); 14841 if (!usedPermissions.contains(permissionState.getName())) { 14842 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14843 if (bp != null) { 14844 permissionsState.revokeRuntimePermission(bp, userId); 14845 permissionsState.updatePermissionFlags(bp, userId, 14846 PackageManager.MASK_PERMISSION_FLAGS, 0); 14847 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14848 runtimePermissionChangedUserIds, userId); 14849 } 14850 } 14851 } 14852 } 14853 14854 return runtimePermissionChangedUserIds; 14855 } 14856 14857 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14858 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14859 // Update the parent package setting 14860 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14861 res, user); 14862 // Update the child packages setting 14863 final int childCount = (newPackage.childPackages != null) 14864 ? newPackage.childPackages.size() : 0; 14865 for (int i = 0; i < childCount; i++) { 14866 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14867 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14868 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14869 childRes.origUsers, childRes, user); 14870 } 14871 } 14872 14873 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14874 String installerPackageName, int[] allUsers, int[] installedForUsers, 14875 PackageInstalledInfo res, UserHandle user) { 14876 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14877 14878 String pkgName = newPackage.packageName; 14879 synchronized (mPackages) { 14880 //write settings. the installStatus will be incomplete at this stage. 14881 //note that the new package setting would have already been 14882 //added to mPackages. It hasn't been persisted yet. 14883 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14884 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14885 mSettings.writeLPr(); 14886 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14887 } 14888 14889 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14890 synchronized (mPackages) { 14891 updatePermissionsLPw(newPackage.packageName, newPackage, 14892 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14893 ? UPDATE_PERMISSIONS_ALL : 0)); 14894 // For system-bundled packages, we assume that installing an upgraded version 14895 // of the package implies that the user actually wants to run that new code, 14896 // so we enable the package. 14897 PackageSetting ps = mSettings.mPackages.get(pkgName); 14898 final int userId = user.getIdentifier(); 14899 if (ps != null) { 14900 if (isSystemApp(newPackage)) { 14901 if (DEBUG_INSTALL) { 14902 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14903 } 14904 // Enable system package for requested users 14905 if (res.origUsers != null) { 14906 for (int origUserId : res.origUsers) { 14907 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14908 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14909 origUserId, installerPackageName); 14910 } 14911 } 14912 } 14913 // Also convey the prior install/uninstall state 14914 if (allUsers != null && installedForUsers != null) { 14915 for (int currentUserId : allUsers) { 14916 final boolean installed = ArrayUtils.contains( 14917 installedForUsers, currentUserId); 14918 if (DEBUG_INSTALL) { 14919 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14920 } 14921 ps.setInstalled(installed, currentUserId); 14922 } 14923 // these install state changes will be persisted in the 14924 // upcoming call to mSettings.writeLPr(). 14925 } 14926 } 14927 // It's implied that when a user requests installation, they want the app to be 14928 // installed and enabled. 14929 if (userId != UserHandle.USER_ALL) { 14930 ps.setInstalled(true, userId); 14931 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14932 } 14933 } 14934 res.name = pkgName; 14935 res.uid = newPackage.applicationInfo.uid; 14936 res.pkg = newPackage; 14937 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14938 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14939 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14940 //to update install status 14941 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14942 mSettings.writeLPr(); 14943 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14944 } 14945 14946 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14947 } 14948 14949 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14950 try { 14951 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14952 installPackageLI(args, res); 14953 } finally { 14954 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14955 } 14956 } 14957 14958 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14959 final int installFlags = args.installFlags; 14960 final String installerPackageName = args.installerPackageName; 14961 final String volumeUuid = args.volumeUuid; 14962 final File tmpPackageFile = new File(args.getCodePath()); 14963 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14964 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14965 || (args.volumeUuid != null)); 14966 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14967 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14968 boolean replace = false; 14969 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14970 if (args.move != null) { 14971 // moving a complete application; perform an initial scan on the new install location 14972 scanFlags |= SCAN_INITIAL; 14973 } 14974 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14975 scanFlags |= SCAN_DONT_KILL_APP; 14976 } 14977 14978 // Result object to be returned 14979 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14980 14981 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14982 14983 // Sanity check 14984 if (ephemeral && (forwardLocked || onExternal)) { 14985 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14986 + " external=" + onExternal); 14987 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14988 return; 14989 } 14990 14991 // Retrieve PackageSettings and parse package 14992 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14993 | PackageParser.PARSE_ENFORCE_CODE 14994 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14995 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14996 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14997 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14998 PackageParser pp = new PackageParser(); 14999 pp.setSeparateProcesses(mSeparateProcesses); 15000 pp.setDisplayMetrics(mMetrics); 15001 15002 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 15003 final PackageParser.Package pkg; 15004 try { 15005 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 15006 } catch (PackageParserException e) { 15007 res.setError("Failed parse during installPackageLI", e); 15008 return; 15009 } finally { 15010 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15011 } 15012 15013 // If we are installing a clustered package add results for the children 15014 if (pkg.childPackages != null) { 15015 synchronized (mPackages) { 15016 final int childCount = pkg.childPackages.size(); 15017 for (int i = 0; i < childCount; i++) { 15018 PackageParser.Package childPkg = pkg.childPackages.get(i); 15019 PackageInstalledInfo childRes = new PackageInstalledInfo(); 15020 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15021 childRes.pkg = childPkg; 15022 childRes.name = childPkg.packageName; 15023 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15024 if (childPs != null) { 15025 childRes.origUsers = childPs.queryInstalledUsers( 15026 sUserManager.getUserIds(), true); 15027 } 15028 if ((mPackages.containsKey(childPkg.packageName))) { 15029 childRes.removedInfo = new PackageRemovedInfo(); 15030 childRes.removedInfo.removedPackage = childPkg.packageName; 15031 } 15032 if (res.addedChildPackages == null) { 15033 res.addedChildPackages = new ArrayMap<>(); 15034 } 15035 res.addedChildPackages.put(childPkg.packageName, childRes); 15036 } 15037 } 15038 } 15039 15040 // If package doesn't declare API override, mark that we have an install 15041 // time CPU ABI override. 15042 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 15043 pkg.cpuAbiOverride = args.abiOverride; 15044 } 15045 15046 String pkgName = res.name = pkg.packageName; 15047 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15048 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15049 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15050 return; 15051 } 15052 } 15053 15054 try { 15055 // either use what we've been given or parse directly from the APK 15056 if (args.certificates != null) { 15057 try { 15058 PackageParser.populateCertificates(pkg, args.certificates); 15059 } catch (PackageParserException e) { 15060 // there was something wrong with the certificates we were given; 15061 // try to pull them from the APK 15062 PackageParser.collectCertificates(pkg, parseFlags); 15063 } 15064 } else { 15065 PackageParser.collectCertificates(pkg, parseFlags); 15066 } 15067 } catch (PackageParserException e) { 15068 res.setError("Failed collect during installPackageLI", e); 15069 return; 15070 } 15071 15072 // Get rid of all references to package scan path via parser. 15073 pp = null; 15074 String oldCodePath = null; 15075 boolean systemApp = false; 15076 synchronized (mPackages) { 15077 // Check if installing already existing package 15078 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15079 String oldName = mSettings.getRenamedPackageLPr(pkgName); 15080 if (pkg.mOriginalPackages != null 15081 && pkg.mOriginalPackages.contains(oldName) 15082 && mPackages.containsKey(oldName)) { 15083 // This package is derived from an original package, 15084 // and this device has been updating from that original 15085 // name. We must continue using the original name, so 15086 // rename the new package here. 15087 pkg.setPackageName(oldName); 15088 pkgName = pkg.packageName; 15089 replace = true; 15090 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15091 + oldName + " pkgName=" + pkgName); 15092 } else if (mPackages.containsKey(pkgName)) { 15093 // This package, under its official name, already exists 15094 // on the device; we should replace it. 15095 replace = true; 15096 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15097 } 15098 15099 // Child packages are installed through the parent package 15100 if (pkg.parentPackage != null) { 15101 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15102 "Package " + pkg.packageName + " is child of package " 15103 + pkg.parentPackage.parentPackage + ". Child packages " 15104 + "can be updated only through the parent package."); 15105 return; 15106 } 15107 15108 if (replace) { 15109 // Prevent apps opting out from runtime permissions 15110 PackageParser.Package oldPackage = mPackages.get(pkgName); 15111 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15112 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15113 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15114 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15115 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15116 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15117 + " doesn't support runtime permissions but the old" 15118 + " target SDK " + oldTargetSdk + " does."); 15119 return; 15120 } 15121 15122 // Prevent installing of child packages 15123 if (oldPackage.parentPackage != null) { 15124 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15125 "Package " + pkg.packageName + " is child of package " 15126 + oldPackage.parentPackage + ". Child packages " 15127 + "can be updated only through the parent package."); 15128 return; 15129 } 15130 } 15131 } 15132 15133 PackageSetting ps = mSettings.mPackages.get(pkgName); 15134 if (ps != null) { 15135 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15136 15137 // Quick sanity check that we're signed correctly if updating; 15138 // we'll check this again later when scanning, but we want to 15139 // bail early here before tripping over redefined permissions. 15140 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15141 if (!checkUpgradeKeySetLP(ps, pkg)) { 15142 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15143 + pkg.packageName + " upgrade keys do not match the " 15144 + "previously installed version"); 15145 return; 15146 } 15147 } else { 15148 try { 15149 verifySignaturesLP(ps, pkg); 15150 } catch (PackageManagerException e) { 15151 res.setError(e.error, e.getMessage()); 15152 return; 15153 } 15154 } 15155 15156 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15157 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15158 systemApp = (ps.pkg.applicationInfo.flags & 15159 ApplicationInfo.FLAG_SYSTEM) != 0; 15160 } 15161 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15162 } 15163 15164 // Check whether the newly-scanned package wants to define an already-defined perm 15165 int N = pkg.permissions.size(); 15166 for (int i = N-1; i >= 0; i--) { 15167 PackageParser.Permission perm = pkg.permissions.get(i); 15168 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15169 if (bp != null) { 15170 // If the defining package is signed with our cert, it's okay. This 15171 // also includes the "updating the same package" case, of course. 15172 // "updating same package" could also involve key-rotation. 15173 final boolean sigsOk; 15174 if (bp.sourcePackage.equals(pkg.packageName) 15175 && (bp.packageSetting instanceof PackageSetting) 15176 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15177 scanFlags))) { 15178 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15179 } else { 15180 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15181 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15182 } 15183 if (!sigsOk) { 15184 // If the owning package is the system itself, we log but allow 15185 // install to proceed; we fail the install on all other permission 15186 // redefinitions. 15187 if (!bp.sourcePackage.equals("android")) { 15188 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15189 + pkg.packageName + " attempting to redeclare permission " 15190 + perm.info.name + " already owned by " + bp.sourcePackage); 15191 res.origPermission = perm.info.name; 15192 res.origPackage = bp.sourcePackage; 15193 return; 15194 } else { 15195 Slog.w(TAG, "Package " + pkg.packageName 15196 + " attempting to redeclare system permission " 15197 + perm.info.name + "; ignoring new declaration"); 15198 pkg.permissions.remove(i); 15199 } 15200 } 15201 } 15202 } 15203 } 15204 15205 if (systemApp) { 15206 if (onExternal) { 15207 // Abort update; system app can't be replaced with app on sdcard 15208 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15209 "Cannot install updates to system apps on sdcard"); 15210 return; 15211 } else if (ephemeral) { 15212 // Abort update; system app can't be replaced with an ephemeral app 15213 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15214 "Cannot update a system app with an ephemeral app"); 15215 return; 15216 } 15217 } 15218 15219 if (args.move != null) { 15220 // We did an in-place move, so dex is ready to roll 15221 scanFlags |= SCAN_NO_DEX; 15222 scanFlags |= SCAN_MOVE; 15223 15224 synchronized (mPackages) { 15225 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15226 if (ps == null) { 15227 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15228 "Missing settings for moved package " + pkgName); 15229 } 15230 15231 // We moved the entire application as-is, so bring over the 15232 // previously derived ABI information. 15233 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15234 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15235 } 15236 15237 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15238 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15239 scanFlags |= SCAN_NO_DEX; 15240 15241 try { 15242 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15243 args.abiOverride : pkg.cpuAbiOverride); 15244 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15245 true /* extract libs */); 15246 } catch (PackageManagerException pme) { 15247 Slog.e(TAG, "Error deriving application ABI", pme); 15248 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15249 return; 15250 } 15251 15252 // Shared libraries for the package need to be updated. 15253 synchronized (mPackages) { 15254 try { 15255 updateSharedLibrariesLPw(pkg, null); 15256 } catch (PackageManagerException e) { 15257 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15258 } 15259 } 15260 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15261 // Do not run PackageDexOptimizer through the local performDexOpt 15262 // method because `pkg` may not be in `mPackages` yet. 15263 // 15264 // Also, don't fail application installs if the dexopt step fails. 15265 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15266 null /* instructionSets */, false /* checkProfiles */, 15267 getCompilerFilterForReason(REASON_INSTALL), 15268 getOrCreateCompilerPackageStats(pkg)); 15269 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15270 15271 // Notify BackgroundDexOptService that the package has been changed. 15272 // If this is an update of a package which used to fail to compile, 15273 // BDOS will remove it from its blacklist. 15274 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15275 } 15276 15277 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15278 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15279 return; 15280 } 15281 15282 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15283 15284 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15285 "installPackageLI")) { 15286 if (replace) { 15287 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15288 installerPackageName, res); 15289 } else { 15290 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15291 args.user, installerPackageName, volumeUuid, res); 15292 } 15293 } 15294 synchronized (mPackages) { 15295 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15296 if (ps != null) { 15297 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15298 } 15299 15300 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15301 for (int i = 0; i < childCount; i++) { 15302 PackageParser.Package childPkg = pkg.childPackages.get(i); 15303 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15304 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15305 if (childPs != null) { 15306 childRes.newUsers = childPs.queryInstalledUsers( 15307 sUserManager.getUserIds(), true); 15308 } 15309 } 15310 } 15311 } 15312 15313 private void startIntentFilterVerifications(int userId, boolean replacing, 15314 PackageParser.Package pkg) { 15315 if (mIntentFilterVerifierComponent == null) { 15316 Slog.w(TAG, "No IntentFilter verification will not be done as " 15317 + "there is no IntentFilterVerifier available!"); 15318 return; 15319 } 15320 15321 final int verifierUid = getPackageUid( 15322 mIntentFilterVerifierComponent.getPackageName(), 15323 MATCH_DEBUG_TRIAGED_MISSING, 15324 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15325 15326 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15327 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15328 mHandler.sendMessage(msg); 15329 15330 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15331 for (int i = 0; i < childCount; i++) { 15332 PackageParser.Package childPkg = pkg.childPackages.get(i); 15333 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15334 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15335 mHandler.sendMessage(msg); 15336 } 15337 } 15338 15339 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15340 PackageParser.Package pkg) { 15341 int size = pkg.activities.size(); 15342 if (size == 0) { 15343 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15344 "No activity, so no need to verify any IntentFilter!"); 15345 return; 15346 } 15347 15348 final boolean hasDomainURLs = hasDomainURLs(pkg); 15349 if (!hasDomainURLs) { 15350 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15351 "No domain URLs, so no need to verify any IntentFilter!"); 15352 return; 15353 } 15354 15355 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15356 + " if any IntentFilter from the " + size 15357 + " Activities needs verification ..."); 15358 15359 int count = 0; 15360 final String packageName = pkg.packageName; 15361 15362 synchronized (mPackages) { 15363 // If this is a new install and we see that we've already run verification for this 15364 // package, we have nothing to do: it means the state was restored from backup. 15365 if (!replacing) { 15366 IntentFilterVerificationInfo ivi = 15367 mSettings.getIntentFilterVerificationLPr(packageName); 15368 if (ivi != null) { 15369 if (DEBUG_DOMAIN_VERIFICATION) { 15370 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15371 + ivi.getStatusString()); 15372 } 15373 return; 15374 } 15375 } 15376 15377 // If any filters need to be verified, then all need to be. 15378 boolean needToVerify = false; 15379 for (PackageParser.Activity a : pkg.activities) { 15380 for (ActivityIntentInfo filter : a.intents) { 15381 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15382 if (DEBUG_DOMAIN_VERIFICATION) { 15383 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15384 } 15385 needToVerify = true; 15386 break; 15387 } 15388 } 15389 } 15390 15391 if (needToVerify) { 15392 final int verificationId = mIntentFilterVerificationToken++; 15393 for (PackageParser.Activity a : pkg.activities) { 15394 for (ActivityIntentInfo filter : a.intents) { 15395 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15396 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15397 "Verification needed for IntentFilter:" + filter.toString()); 15398 mIntentFilterVerifier.addOneIntentFilterVerification( 15399 verifierUid, userId, verificationId, filter, packageName); 15400 count++; 15401 } 15402 } 15403 } 15404 } 15405 } 15406 15407 if (count > 0) { 15408 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15409 + " IntentFilter verification" + (count > 1 ? "s" : "") 15410 + " for userId:" + userId); 15411 mIntentFilterVerifier.startVerifications(userId); 15412 } else { 15413 if (DEBUG_DOMAIN_VERIFICATION) { 15414 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15415 } 15416 } 15417 } 15418 15419 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15420 final ComponentName cn = filter.activity.getComponentName(); 15421 final String packageName = cn.getPackageName(); 15422 15423 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15424 packageName); 15425 if (ivi == null) { 15426 return true; 15427 } 15428 int status = ivi.getStatus(); 15429 switch (status) { 15430 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15431 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15432 return true; 15433 15434 default: 15435 // Nothing to do 15436 return false; 15437 } 15438 } 15439 15440 private static boolean isMultiArch(ApplicationInfo info) { 15441 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15442 } 15443 15444 private static boolean isExternal(PackageParser.Package pkg) { 15445 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15446 } 15447 15448 private static boolean isExternal(PackageSetting ps) { 15449 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15450 } 15451 15452 private static boolean isEphemeral(PackageParser.Package pkg) { 15453 return pkg.applicationInfo.isEphemeralApp(); 15454 } 15455 15456 private static boolean isEphemeral(PackageSetting ps) { 15457 return ps.pkg != null && isEphemeral(ps.pkg); 15458 } 15459 15460 private static boolean isSystemApp(PackageParser.Package pkg) { 15461 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15462 } 15463 15464 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15465 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15466 } 15467 15468 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15469 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15470 } 15471 15472 private static boolean isSystemApp(PackageSetting ps) { 15473 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15474 } 15475 15476 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15477 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15478 } 15479 15480 private int packageFlagsToInstallFlags(PackageSetting ps) { 15481 int installFlags = 0; 15482 if (isEphemeral(ps)) { 15483 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15484 } 15485 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15486 // This existing package was an external ASEC install when we have 15487 // the external flag without a UUID 15488 installFlags |= PackageManager.INSTALL_EXTERNAL; 15489 } 15490 if (ps.isForwardLocked()) { 15491 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15492 } 15493 return installFlags; 15494 } 15495 15496 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15497 if (isExternal(pkg)) { 15498 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15499 return StorageManager.UUID_PRIMARY_PHYSICAL; 15500 } else { 15501 return pkg.volumeUuid; 15502 } 15503 } else { 15504 return StorageManager.UUID_PRIVATE_INTERNAL; 15505 } 15506 } 15507 15508 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15509 if (isExternal(pkg)) { 15510 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15511 return mSettings.getExternalVersion(); 15512 } else { 15513 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15514 } 15515 } else { 15516 return mSettings.getInternalVersion(); 15517 } 15518 } 15519 15520 private void deleteTempPackageFiles() { 15521 final FilenameFilter filter = new FilenameFilter() { 15522 public boolean accept(File dir, String name) { 15523 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15524 } 15525 }; 15526 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15527 file.delete(); 15528 } 15529 } 15530 15531 @Override 15532 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15533 int flags) { 15534 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15535 flags); 15536 } 15537 15538 @Override 15539 public void deletePackage(final String packageName, 15540 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15541 mContext.enforceCallingOrSelfPermission( 15542 android.Manifest.permission.DELETE_PACKAGES, null); 15543 Preconditions.checkNotNull(packageName); 15544 Preconditions.checkNotNull(observer); 15545 final int uid = Binder.getCallingUid(); 15546 if (!isOrphaned(packageName) 15547 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 15548 try { 15549 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 15550 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 15551 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 15552 observer.onUserActionRequired(intent); 15553 } catch (RemoteException re) { 15554 } 15555 return; 15556 } 15557 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15558 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15559 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15560 mContext.enforceCallingOrSelfPermission( 15561 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15562 "deletePackage for user " + userId); 15563 } 15564 15565 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15566 try { 15567 observer.onPackageDeleted(packageName, 15568 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15569 } catch (RemoteException re) { 15570 } 15571 return; 15572 } 15573 15574 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15575 try { 15576 observer.onPackageDeleted(packageName, 15577 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15578 } catch (RemoteException re) { 15579 } 15580 return; 15581 } 15582 15583 if (DEBUG_REMOVE) { 15584 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15585 + " deleteAllUsers: " + deleteAllUsers ); 15586 } 15587 // Queue up an async operation since the package deletion may take a little while. 15588 mHandler.post(new Runnable() { 15589 public void run() { 15590 mHandler.removeCallbacks(this); 15591 int returnCode; 15592 if (!deleteAllUsers) { 15593 returnCode = deletePackageX(packageName, userId, deleteFlags); 15594 } else { 15595 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15596 // If nobody is blocking uninstall, proceed with delete for all users 15597 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15598 returnCode = deletePackageX(packageName, userId, deleteFlags); 15599 } else { 15600 // Otherwise uninstall individually for users with blockUninstalls=false 15601 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15602 for (int userId : users) { 15603 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15604 returnCode = deletePackageX(packageName, userId, userFlags); 15605 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15606 Slog.w(TAG, "Package delete failed for user " + userId 15607 + ", returnCode " + returnCode); 15608 } 15609 } 15610 } 15611 // The app has only been marked uninstalled for certain users. 15612 // We still need to report that delete was blocked 15613 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15614 } 15615 } 15616 try { 15617 observer.onPackageDeleted(packageName, returnCode, null); 15618 } catch (RemoteException e) { 15619 Log.i(TAG, "Observer no longer exists."); 15620 } //end catch 15621 } //end run 15622 }); 15623 } 15624 15625 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 15626 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 15627 || callingUid == Process.SYSTEM_UID) { 15628 return true; 15629 } 15630 final int callingUserId = UserHandle.getUserId(callingUid); 15631 // If the caller installed the pkgName, then allow it to silently uninstall. 15632 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 15633 return true; 15634 } 15635 15636 // Allow package verifier to silently uninstall. 15637 if (mRequiredVerifierPackage != null && 15638 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 15639 return true; 15640 } 15641 15642 // Allow package uninstaller to silently uninstall. 15643 if (mRequiredUninstallerPackage != null && 15644 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 15645 return true; 15646 } 15647 15648 // Allow storage manager to silently uninstall. 15649 if (mStorageManagerPackage != null && 15650 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 15651 return true; 15652 } 15653 return false; 15654 } 15655 15656 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15657 int[] result = EMPTY_INT_ARRAY; 15658 for (int userId : userIds) { 15659 if (getBlockUninstallForUser(packageName, userId)) { 15660 result = ArrayUtils.appendInt(result, userId); 15661 } 15662 } 15663 return result; 15664 } 15665 15666 @Override 15667 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15668 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15669 } 15670 15671 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15672 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15673 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15674 try { 15675 if (dpm != null) { 15676 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15677 /* callingUserOnly =*/ false); 15678 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15679 : deviceOwnerComponentName.getPackageName(); 15680 // Does the package contains the device owner? 15681 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15682 // this check is probably not needed, since DO should be registered as a device 15683 // admin on some user too. (Original bug for this: b/17657954) 15684 if (packageName.equals(deviceOwnerPackageName)) { 15685 return true; 15686 } 15687 // Does it contain a device admin for any user? 15688 int[] users; 15689 if (userId == UserHandle.USER_ALL) { 15690 users = sUserManager.getUserIds(); 15691 } else { 15692 users = new int[]{userId}; 15693 } 15694 for (int i = 0; i < users.length; ++i) { 15695 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15696 return true; 15697 } 15698 } 15699 } 15700 } catch (RemoteException e) { 15701 } 15702 return false; 15703 } 15704 15705 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15706 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15707 } 15708 15709 /** 15710 * This method is an internal method that could be get invoked either 15711 * to delete an installed package or to clean up a failed installation. 15712 * After deleting an installed package, a broadcast is sent to notify any 15713 * listeners that the package has been removed. For cleaning up a failed 15714 * installation, the broadcast is not necessary since the package's 15715 * installation wouldn't have sent the initial broadcast either 15716 * The key steps in deleting a package are 15717 * deleting the package information in internal structures like mPackages, 15718 * deleting the packages base directories through installd 15719 * updating mSettings to reflect current status 15720 * persisting settings for later use 15721 * sending a broadcast if necessary 15722 */ 15723 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15724 final PackageRemovedInfo info = new PackageRemovedInfo(); 15725 final boolean res; 15726 15727 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15728 ? UserHandle.USER_ALL : userId; 15729 15730 if (isPackageDeviceAdmin(packageName, removeUser)) { 15731 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15732 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15733 } 15734 15735 PackageSetting uninstalledPs = null; 15736 15737 // for the uninstall-updates case and restricted profiles, remember the per- 15738 // user handle installed state 15739 int[] allUsers; 15740 synchronized (mPackages) { 15741 uninstalledPs = mSettings.mPackages.get(packageName); 15742 if (uninstalledPs == null) { 15743 Slog.w(TAG, "Not removing non-existent package " + packageName); 15744 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15745 } 15746 allUsers = sUserManager.getUserIds(); 15747 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15748 } 15749 15750 final int freezeUser; 15751 if (isUpdatedSystemApp(uninstalledPs) 15752 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15753 // We're downgrading a system app, which will apply to all users, so 15754 // freeze them all during the downgrade 15755 freezeUser = UserHandle.USER_ALL; 15756 } else { 15757 freezeUser = removeUser; 15758 } 15759 15760 synchronized (mInstallLock) { 15761 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15762 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15763 deleteFlags, "deletePackageX")) { 15764 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15765 deleteFlags | REMOVE_CHATTY, info, true, null); 15766 } 15767 synchronized (mPackages) { 15768 if (res) { 15769 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15770 } 15771 } 15772 } 15773 15774 if (res) { 15775 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15776 info.sendPackageRemovedBroadcasts(killApp); 15777 info.sendSystemPackageUpdatedBroadcasts(); 15778 info.sendSystemPackageAppearedBroadcasts(); 15779 } 15780 // Force a gc here. 15781 Runtime.getRuntime().gc(); 15782 // Delete the resources here after sending the broadcast to let 15783 // other processes clean up before deleting resources. 15784 if (info.args != null) { 15785 synchronized (mInstallLock) { 15786 info.args.doPostDeleteLI(true); 15787 } 15788 } 15789 15790 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15791 } 15792 15793 class PackageRemovedInfo { 15794 String removedPackage; 15795 int uid = -1; 15796 int removedAppId = -1; 15797 int[] origUsers; 15798 int[] removedUsers = null; 15799 boolean isRemovedPackageSystemUpdate = false; 15800 boolean isUpdate; 15801 boolean dataRemoved; 15802 boolean removedForAllUsers; 15803 // Clean up resources deleted packages. 15804 InstallArgs args = null; 15805 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15806 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15807 15808 void sendPackageRemovedBroadcasts(boolean killApp) { 15809 sendPackageRemovedBroadcastInternal(killApp); 15810 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15811 for (int i = 0; i < childCount; i++) { 15812 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15813 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15814 } 15815 } 15816 15817 void sendSystemPackageUpdatedBroadcasts() { 15818 if (isRemovedPackageSystemUpdate) { 15819 sendSystemPackageUpdatedBroadcastsInternal(); 15820 final int childCount = (removedChildPackages != null) 15821 ? removedChildPackages.size() : 0; 15822 for (int i = 0; i < childCount; i++) { 15823 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15824 if (childInfo.isRemovedPackageSystemUpdate) { 15825 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15826 } 15827 } 15828 } 15829 } 15830 15831 void sendSystemPackageAppearedBroadcasts() { 15832 final int packageCount = (appearedChildPackages != null) 15833 ? appearedChildPackages.size() : 0; 15834 for (int i = 0; i < packageCount; i++) { 15835 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15836 for (int userId : installedInfo.newUsers) { 15837 sendPackageAddedForUser(installedInfo.name, true, 15838 UserHandle.getAppId(installedInfo.uid), userId); 15839 } 15840 } 15841 } 15842 15843 private void sendSystemPackageUpdatedBroadcastsInternal() { 15844 Bundle extras = new Bundle(2); 15845 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15846 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15847 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15848 extras, 0, null, null, null); 15849 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15850 extras, 0, null, null, null); 15851 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15852 null, 0, removedPackage, null, null); 15853 } 15854 15855 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15856 Bundle extras = new Bundle(2); 15857 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15858 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15859 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15860 if (isUpdate || isRemovedPackageSystemUpdate) { 15861 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15862 } 15863 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15864 if (removedPackage != null) { 15865 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15866 extras, 0, null, null, removedUsers); 15867 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15868 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15869 removedPackage, extras, 0, null, null, removedUsers); 15870 } 15871 } 15872 if (removedAppId >= 0) { 15873 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15874 removedUsers); 15875 } 15876 } 15877 } 15878 15879 /* 15880 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15881 * flag is not set, the data directory is removed as well. 15882 * make sure this flag is set for partially installed apps. If not its meaningless to 15883 * delete a partially installed application. 15884 */ 15885 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15886 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15887 String packageName = ps.name; 15888 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15889 // Retrieve object to delete permissions for shared user later on 15890 final PackageParser.Package deletedPkg; 15891 final PackageSetting deletedPs; 15892 // reader 15893 synchronized (mPackages) { 15894 deletedPkg = mPackages.get(packageName); 15895 deletedPs = mSettings.mPackages.get(packageName); 15896 if (outInfo != null) { 15897 outInfo.removedPackage = packageName; 15898 outInfo.removedUsers = deletedPs != null 15899 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15900 : null; 15901 } 15902 } 15903 15904 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15905 15906 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15907 final PackageParser.Package resolvedPkg; 15908 if (deletedPkg != null) { 15909 resolvedPkg = deletedPkg; 15910 } else { 15911 // We don't have a parsed package when it lives on an ejected 15912 // adopted storage device, so fake something together 15913 resolvedPkg = new PackageParser.Package(ps.name); 15914 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15915 } 15916 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15917 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15918 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15919 if (outInfo != null) { 15920 outInfo.dataRemoved = true; 15921 } 15922 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15923 } 15924 15925 // writer 15926 synchronized (mPackages) { 15927 if (deletedPs != null) { 15928 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15929 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15930 clearDefaultBrowserIfNeeded(packageName); 15931 if (outInfo != null) { 15932 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15933 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15934 } 15935 updatePermissionsLPw(deletedPs.name, null, 0); 15936 if (deletedPs.sharedUser != null) { 15937 // Remove permissions associated with package. Since runtime 15938 // permissions are per user we have to kill the removed package 15939 // or packages running under the shared user of the removed 15940 // package if revoking the permissions requested only by the removed 15941 // package is successful and this causes a change in gids. 15942 for (int userId : UserManagerService.getInstance().getUserIds()) { 15943 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15944 userId); 15945 if (userIdToKill == UserHandle.USER_ALL 15946 || userIdToKill >= UserHandle.USER_SYSTEM) { 15947 // If gids changed for this user, kill all affected packages. 15948 mHandler.post(new Runnable() { 15949 @Override 15950 public void run() { 15951 // This has to happen with no lock held. 15952 killApplication(deletedPs.name, deletedPs.appId, 15953 KILL_APP_REASON_GIDS_CHANGED); 15954 } 15955 }); 15956 break; 15957 } 15958 } 15959 } 15960 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15961 } 15962 // make sure to preserve per-user disabled state if this removal was just 15963 // a downgrade of a system app to the factory package 15964 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15965 if (DEBUG_REMOVE) { 15966 Slog.d(TAG, "Propagating install state across downgrade"); 15967 } 15968 for (int userId : allUserHandles) { 15969 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15970 if (DEBUG_REMOVE) { 15971 Slog.d(TAG, " user " + userId + " => " + installed); 15972 } 15973 ps.setInstalled(installed, userId); 15974 } 15975 } 15976 } 15977 // can downgrade to reader 15978 if (writeSettings) { 15979 // Save settings now 15980 mSettings.writeLPr(); 15981 } 15982 } 15983 if (outInfo != null) { 15984 // A user ID was deleted here. Go through all users and remove it 15985 // from KeyStore. 15986 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15987 } 15988 } 15989 15990 static boolean locationIsPrivileged(File path) { 15991 try { 15992 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15993 .getCanonicalPath(); 15994 return path.getCanonicalPath().startsWith(privilegedAppDir); 15995 } catch (IOException e) { 15996 Slog.e(TAG, "Unable to access code path " + path); 15997 } 15998 return false; 15999 } 16000 16001 /* 16002 * Tries to delete system package. 16003 */ 16004 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 16005 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 16006 boolean writeSettings) { 16007 if (deletedPs.parentPackageName != null) { 16008 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 16009 return false; 16010 } 16011 16012 final boolean applyUserRestrictions 16013 = (allUserHandles != null) && (outInfo.origUsers != null); 16014 final PackageSetting disabledPs; 16015 // Confirm if the system package has been updated 16016 // An updated system app can be deleted. This will also have to restore 16017 // the system pkg from system partition 16018 // reader 16019 synchronized (mPackages) { 16020 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 16021 } 16022 16023 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 16024 + " disabledPs=" + disabledPs); 16025 16026 if (disabledPs == null) { 16027 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 16028 return false; 16029 } else if (DEBUG_REMOVE) { 16030 Slog.d(TAG, "Deleting system pkg from data partition"); 16031 } 16032 16033 if (DEBUG_REMOVE) { 16034 if (applyUserRestrictions) { 16035 Slog.d(TAG, "Remembering install states:"); 16036 for (int userId : allUserHandles) { 16037 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 16038 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 16039 } 16040 } 16041 } 16042 16043 // Delete the updated package 16044 outInfo.isRemovedPackageSystemUpdate = true; 16045 if (outInfo.removedChildPackages != null) { 16046 final int childCount = (deletedPs.childPackageNames != null) 16047 ? deletedPs.childPackageNames.size() : 0; 16048 for (int i = 0; i < childCount; i++) { 16049 String childPackageName = deletedPs.childPackageNames.get(i); 16050 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 16051 .contains(childPackageName)) { 16052 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16053 childPackageName); 16054 if (childInfo != null) { 16055 childInfo.isRemovedPackageSystemUpdate = true; 16056 } 16057 } 16058 } 16059 } 16060 16061 if (disabledPs.versionCode < deletedPs.versionCode) { 16062 // Delete data for downgrades 16063 flags &= ~PackageManager.DELETE_KEEP_DATA; 16064 } else { 16065 // Preserve data by setting flag 16066 flags |= PackageManager.DELETE_KEEP_DATA; 16067 } 16068 16069 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 16070 outInfo, writeSettings, disabledPs.pkg); 16071 if (!ret) { 16072 return false; 16073 } 16074 16075 // writer 16076 synchronized (mPackages) { 16077 // Reinstate the old system package 16078 enableSystemPackageLPw(disabledPs.pkg); 16079 // Remove any native libraries from the upgraded package. 16080 removeNativeBinariesLI(deletedPs); 16081 } 16082 16083 // Install the system package 16084 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 16085 int parseFlags = mDefParseFlags 16086 | PackageParser.PARSE_MUST_BE_APK 16087 | PackageParser.PARSE_IS_SYSTEM 16088 | PackageParser.PARSE_IS_SYSTEM_DIR; 16089 if (locationIsPrivileged(disabledPs.codePath)) { 16090 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16091 } 16092 16093 final PackageParser.Package newPkg; 16094 try { 16095 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 16096 } catch (PackageManagerException e) { 16097 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16098 + e.getMessage()); 16099 return false; 16100 } 16101 try { 16102 // update shared libraries for the newly re-installed system package 16103 updateSharedLibrariesLPw(newPkg, null); 16104 } catch (PackageManagerException e) { 16105 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16106 } 16107 16108 prepareAppDataAfterInstallLIF(newPkg); 16109 16110 // writer 16111 synchronized (mPackages) { 16112 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16113 16114 // Propagate the permissions state as we do not want to drop on the floor 16115 // runtime permissions. The update permissions method below will take 16116 // care of removing obsolete permissions and grant install permissions. 16117 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16118 updatePermissionsLPw(newPkg.packageName, newPkg, 16119 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16120 16121 if (applyUserRestrictions) { 16122 if (DEBUG_REMOVE) { 16123 Slog.d(TAG, "Propagating install state across reinstall"); 16124 } 16125 for (int userId : allUserHandles) { 16126 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16127 if (DEBUG_REMOVE) { 16128 Slog.d(TAG, " user " + userId + " => " + installed); 16129 } 16130 ps.setInstalled(installed, userId); 16131 16132 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16133 } 16134 // Regardless of writeSettings we need to ensure that this restriction 16135 // state propagation is persisted 16136 mSettings.writeAllUsersPackageRestrictionsLPr(); 16137 } 16138 // can downgrade to reader here 16139 if (writeSettings) { 16140 mSettings.writeLPr(); 16141 } 16142 } 16143 return true; 16144 } 16145 16146 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16147 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16148 PackageRemovedInfo outInfo, boolean writeSettings, 16149 PackageParser.Package replacingPackage) { 16150 synchronized (mPackages) { 16151 if (outInfo != null) { 16152 outInfo.uid = ps.appId; 16153 } 16154 16155 if (outInfo != null && outInfo.removedChildPackages != null) { 16156 final int childCount = (ps.childPackageNames != null) 16157 ? ps.childPackageNames.size() : 0; 16158 for (int i = 0; i < childCount; i++) { 16159 String childPackageName = ps.childPackageNames.get(i); 16160 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16161 if (childPs == null) { 16162 return false; 16163 } 16164 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16165 childPackageName); 16166 if (childInfo != null) { 16167 childInfo.uid = childPs.appId; 16168 } 16169 } 16170 } 16171 } 16172 16173 // Delete package data from internal structures and also remove data if flag is set 16174 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16175 16176 // Delete the child packages data 16177 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16178 for (int i = 0; i < childCount; i++) { 16179 PackageSetting childPs; 16180 synchronized (mPackages) { 16181 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16182 } 16183 if (childPs != null) { 16184 PackageRemovedInfo childOutInfo = (outInfo != null 16185 && outInfo.removedChildPackages != null) 16186 ? outInfo.removedChildPackages.get(childPs.name) : null; 16187 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16188 && (replacingPackage != null 16189 && !replacingPackage.hasChildPackage(childPs.name)) 16190 ? flags & ~DELETE_KEEP_DATA : flags; 16191 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16192 deleteFlags, writeSettings); 16193 } 16194 } 16195 16196 // Delete application code and resources only for parent packages 16197 if (ps.parentPackageName == null) { 16198 if (deleteCodeAndResources && (outInfo != null)) { 16199 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16200 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16201 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16202 } 16203 } 16204 16205 return true; 16206 } 16207 16208 @Override 16209 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16210 int userId) { 16211 mContext.enforceCallingOrSelfPermission( 16212 android.Manifest.permission.DELETE_PACKAGES, null); 16213 synchronized (mPackages) { 16214 PackageSetting ps = mSettings.mPackages.get(packageName); 16215 if (ps == null) { 16216 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16217 return false; 16218 } 16219 if (!ps.getInstalled(userId)) { 16220 // Can't block uninstall for an app that is not installed or enabled. 16221 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16222 return false; 16223 } 16224 ps.setBlockUninstall(blockUninstall, userId); 16225 mSettings.writePackageRestrictionsLPr(userId); 16226 } 16227 return true; 16228 } 16229 16230 @Override 16231 public boolean getBlockUninstallForUser(String packageName, int userId) { 16232 synchronized (mPackages) { 16233 PackageSetting ps = mSettings.mPackages.get(packageName); 16234 if (ps == null) { 16235 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16236 return false; 16237 } 16238 return ps.getBlockUninstall(userId); 16239 } 16240 } 16241 16242 @Override 16243 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16244 int callingUid = Binder.getCallingUid(); 16245 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16246 throw new SecurityException( 16247 "setRequiredForSystemUser can only be run by the system or root"); 16248 } 16249 synchronized (mPackages) { 16250 PackageSetting ps = mSettings.mPackages.get(packageName); 16251 if (ps == null) { 16252 Log.w(TAG, "Package doesn't exist: " + packageName); 16253 return false; 16254 } 16255 if (systemUserApp) { 16256 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16257 } else { 16258 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16259 } 16260 mSettings.writeLPr(); 16261 } 16262 return true; 16263 } 16264 16265 /* 16266 * This method handles package deletion in general 16267 */ 16268 private boolean deletePackageLIF(String packageName, UserHandle user, 16269 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16270 PackageRemovedInfo outInfo, boolean writeSettings, 16271 PackageParser.Package replacingPackage) { 16272 if (packageName == null) { 16273 Slog.w(TAG, "Attempt to delete null packageName."); 16274 return false; 16275 } 16276 16277 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16278 16279 PackageSetting ps; 16280 16281 synchronized (mPackages) { 16282 ps = mSettings.mPackages.get(packageName); 16283 if (ps == null) { 16284 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16285 return false; 16286 } 16287 16288 if (ps.parentPackageName != null && (!isSystemApp(ps) 16289 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16290 if (DEBUG_REMOVE) { 16291 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16292 + ((user == null) ? UserHandle.USER_ALL : user)); 16293 } 16294 final int removedUserId = (user != null) ? user.getIdentifier() 16295 : UserHandle.USER_ALL; 16296 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16297 return false; 16298 } 16299 markPackageUninstalledForUserLPw(ps, user); 16300 scheduleWritePackageRestrictionsLocked(user); 16301 return true; 16302 } 16303 } 16304 16305 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16306 && user.getIdentifier() != UserHandle.USER_ALL)) { 16307 // The caller is asking that the package only be deleted for a single 16308 // user. To do this, we just mark its uninstalled state and delete 16309 // its data. If this is a system app, we only allow this to happen if 16310 // they have set the special DELETE_SYSTEM_APP which requests different 16311 // semantics than normal for uninstalling system apps. 16312 markPackageUninstalledForUserLPw(ps, user); 16313 16314 if (!isSystemApp(ps)) { 16315 // Do not uninstall the APK if an app should be cached 16316 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16317 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16318 // Other user still have this package installed, so all 16319 // we need to do is clear this user's data and save that 16320 // it is uninstalled. 16321 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16322 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16323 return false; 16324 } 16325 scheduleWritePackageRestrictionsLocked(user); 16326 return true; 16327 } else { 16328 // We need to set it back to 'installed' so the uninstall 16329 // broadcasts will be sent correctly. 16330 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16331 ps.setInstalled(true, user.getIdentifier()); 16332 } 16333 } else { 16334 // This is a system app, so we assume that the 16335 // other users still have this package installed, so all 16336 // we need to do is clear this user's data and save that 16337 // it is uninstalled. 16338 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16339 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16340 return false; 16341 } 16342 scheduleWritePackageRestrictionsLocked(user); 16343 return true; 16344 } 16345 } 16346 16347 // If we are deleting a composite package for all users, keep track 16348 // of result for each child. 16349 if (ps.childPackageNames != null && outInfo != null) { 16350 synchronized (mPackages) { 16351 final int childCount = ps.childPackageNames.size(); 16352 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16353 for (int i = 0; i < childCount; i++) { 16354 String childPackageName = ps.childPackageNames.get(i); 16355 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16356 childInfo.removedPackage = childPackageName; 16357 outInfo.removedChildPackages.put(childPackageName, childInfo); 16358 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16359 if (childPs != null) { 16360 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16361 } 16362 } 16363 } 16364 } 16365 16366 boolean ret = false; 16367 if (isSystemApp(ps)) { 16368 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16369 // When an updated system application is deleted we delete the existing resources 16370 // as well and fall back to existing code in system partition 16371 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16372 } else { 16373 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16374 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16375 outInfo, writeSettings, replacingPackage); 16376 } 16377 16378 // Take a note whether we deleted the package for all users 16379 if (outInfo != null) { 16380 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16381 if (outInfo.removedChildPackages != null) { 16382 synchronized (mPackages) { 16383 final int childCount = outInfo.removedChildPackages.size(); 16384 for (int i = 0; i < childCount; i++) { 16385 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16386 if (childInfo != null) { 16387 childInfo.removedForAllUsers = mPackages.get( 16388 childInfo.removedPackage) == null; 16389 } 16390 } 16391 } 16392 } 16393 // If we uninstalled an update to a system app there may be some 16394 // child packages that appeared as they are declared in the system 16395 // app but were not declared in the update. 16396 if (isSystemApp(ps)) { 16397 synchronized (mPackages) { 16398 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16399 final int childCount = (updatedPs.childPackageNames != null) 16400 ? updatedPs.childPackageNames.size() : 0; 16401 for (int i = 0; i < childCount; i++) { 16402 String childPackageName = updatedPs.childPackageNames.get(i); 16403 if (outInfo.removedChildPackages == null 16404 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16405 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16406 if (childPs == null) { 16407 continue; 16408 } 16409 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16410 installRes.name = childPackageName; 16411 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16412 installRes.pkg = mPackages.get(childPackageName); 16413 installRes.uid = childPs.pkg.applicationInfo.uid; 16414 if (outInfo.appearedChildPackages == null) { 16415 outInfo.appearedChildPackages = new ArrayMap<>(); 16416 } 16417 outInfo.appearedChildPackages.put(childPackageName, installRes); 16418 } 16419 } 16420 } 16421 } 16422 } 16423 16424 return ret; 16425 } 16426 16427 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16428 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16429 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16430 for (int nextUserId : userIds) { 16431 if (DEBUG_REMOVE) { 16432 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16433 } 16434 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16435 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16436 false /*hidden*/, false /*suspended*/, null, null, null, 16437 false /*blockUninstall*/, 16438 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16439 } 16440 } 16441 16442 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16443 PackageRemovedInfo outInfo) { 16444 final PackageParser.Package pkg; 16445 synchronized (mPackages) { 16446 pkg = mPackages.get(ps.name); 16447 } 16448 16449 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16450 : new int[] {userId}; 16451 for (int nextUserId : userIds) { 16452 if (DEBUG_REMOVE) { 16453 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16454 + nextUserId); 16455 } 16456 16457 destroyAppDataLIF(pkg, userId, 16458 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16459 destroyAppProfilesLIF(pkg, userId); 16460 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16461 schedulePackageCleaning(ps.name, nextUserId, false); 16462 synchronized (mPackages) { 16463 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16464 scheduleWritePackageRestrictionsLocked(nextUserId); 16465 } 16466 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16467 } 16468 } 16469 16470 if (outInfo != null) { 16471 outInfo.removedPackage = ps.name; 16472 outInfo.removedAppId = ps.appId; 16473 outInfo.removedUsers = userIds; 16474 } 16475 16476 return true; 16477 } 16478 16479 private final class ClearStorageConnection implements ServiceConnection { 16480 IMediaContainerService mContainerService; 16481 16482 @Override 16483 public void onServiceConnected(ComponentName name, IBinder service) { 16484 synchronized (this) { 16485 mContainerService = IMediaContainerService.Stub.asInterface(service); 16486 notifyAll(); 16487 } 16488 } 16489 16490 @Override 16491 public void onServiceDisconnected(ComponentName name) { 16492 } 16493 } 16494 16495 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16496 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16497 16498 final boolean mounted; 16499 if (Environment.isExternalStorageEmulated()) { 16500 mounted = true; 16501 } else { 16502 final String status = Environment.getExternalStorageState(); 16503 16504 mounted = status.equals(Environment.MEDIA_MOUNTED) 16505 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16506 } 16507 16508 if (!mounted) { 16509 return; 16510 } 16511 16512 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16513 int[] users; 16514 if (userId == UserHandle.USER_ALL) { 16515 users = sUserManager.getUserIds(); 16516 } else { 16517 users = new int[] { userId }; 16518 } 16519 final ClearStorageConnection conn = new ClearStorageConnection(); 16520 if (mContext.bindServiceAsUser( 16521 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16522 try { 16523 for (int curUser : users) { 16524 long timeout = SystemClock.uptimeMillis() + 5000; 16525 synchronized (conn) { 16526 long now; 16527 while (conn.mContainerService == null && 16528 (now = SystemClock.uptimeMillis()) < timeout) { 16529 try { 16530 conn.wait(timeout - now); 16531 } catch (InterruptedException e) { 16532 } 16533 } 16534 } 16535 if (conn.mContainerService == null) { 16536 return; 16537 } 16538 16539 final UserEnvironment userEnv = new UserEnvironment(curUser); 16540 clearDirectory(conn.mContainerService, 16541 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16542 if (allData) { 16543 clearDirectory(conn.mContainerService, 16544 userEnv.buildExternalStorageAppDataDirs(packageName)); 16545 clearDirectory(conn.mContainerService, 16546 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16547 } 16548 } 16549 } finally { 16550 mContext.unbindService(conn); 16551 } 16552 } 16553 } 16554 16555 @Override 16556 public void clearApplicationProfileData(String packageName) { 16557 enforceSystemOrRoot("Only the system can clear all profile data"); 16558 16559 final PackageParser.Package pkg; 16560 synchronized (mPackages) { 16561 pkg = mPackages.get(packageName); 16562 } 16563 16564 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16565 synchronized (mInstallLock) { 16566 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16567 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16568 true /* removeBaseMarker */); 16569 } 16570 } 16571 } 16572 16573 @Override 16574 public void clearApplicationUserData(final String packageName, 16575 final IPackageDataObserver observer, final int userId) { 16576 mContext.enforceCallingOrSelfPermission( 16577 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16578 16579 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16580 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16581 16582 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16583 throw new SecurityException("Cannot clear data for a protected package: " 16584 + packageName); 16585 } 16586 // Queue up an async operation since the package deletion may take a little while. 16587 mHandler.post(new Runnable() { 16588 public void run() { 16589 mHandler.removeCallbacks(this); 16590 final boolean succeeded; 16591 try (PackageFreezer freezer = freezePackage(packageName, 16592 "clearApplicationUserData")) { 16593 synchronized (mInstallLock) { 16594 succeeded = clearApplicationUserDataLIF(packageName, userId); 16595 } 16596 clearExternalStorageDataSync(packageName, userId, true); 16597 } 16598 if (succeeded) { 16599 // invoke DeviceStorageMonitor's update method to clear any notifications 16600 DeviceStorageMonitorInternal dsm = LocalServices 16601 .getService(DeviceStorageMonitorInternal.class); 16602 if (dsm != null) { 16603 dsm.checkMemory(); 16604 } 16605 } 16606 if(observer != null) { 16607 try { 16608 observer.onRemoveCompleted(packageName, succeeded); 16609 } catch (RemoteException e) { 16610 Log.i(TAG, "Observer no longer exists."); 16611 } 16612 } //end if observer 16613 } //end run 16614 }); 16615 } 16616 16617 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16618 if (packageName == null) { 16619 Slog.w(TAG, "Attempt to delete null packageName."); 16620 return false; 16621 } 16622 16623 // Try finding details about the requested package 16624 PackageParser.Package pkg; 16625 synchronized (mPackages) { 16626 pkg = mPackages.get(packageName); 16627 if (pkg == null) { 16628 final PackageSetting ps = mSettings.mPackages.get(packageName); 16629 if (ps != null) { 16630 pkg = ps.pkg; 16631 } 16632 } 16633 16634 if (pkg == null) { 16635 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16636 return false; 16637 } 16638 16639 PackageSetting ps = (PackageSetting) pkg.mExtras; 16640 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16641 } 16642 16643 clearAppDataLIF(pkg, userId, 16644 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16645 16646 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16647 removeKeystoreDataIfNeeded(userId, appId); 16648 16649 UserManagerInternal umInternal = getUserManagerInternal(); 16650 final int flags; 16651 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16652 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16653 } else if (umInternal.isUserRunning(userId)) { 16654 flags = StorageManager.FLAG_STORAGE_DE; 16655 } else { 16656 flags = 0; 16657 } 16658 prepareAppDataContentsLIF(pkg, userId, flags); 16659 16660 return true; 16661 } 16662 16663 /** 16664 * Reverts user permission state changes (permissions and flags) in 16665 * all packages for a given user. 16666 * 16667 * @param userId The device user for which to do a reset. 16668 */ 16669 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16670 final int packageCount = mPackages.size(); 16671 for (int i = 0; i < packageCount; i++) { 16672 PackageParser.Package pkg = mPackages.valueAt(i); 16673 PackageSetting ps = (PackageSetting) pkg.mExtras; 16674 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16675 } 16676 } 16677 16678 private void resetNetworkPolicies(int userId) { 16679 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16680 } 16681 16682 /** 16683 * Reverts user permission state changes (permissions and flags). 16684 * 16685 * @param ps The package for which to reset. 16686 * @param userId The device user for which to do a reset. 16687 */ 16688 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16689 final PackageSetting ps, final int userId) { 16690 if (ps.pkg == null) { 16691 return; 16692 } 16693 16694 // These are flags that can change base on user actions. 16695 final int userSettableMask = FLAG_PERMISSION_USER_SET 16696 | FLAG_PERMISSION_USER_FIXED 16697 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16698 | FLAG_PERMISSION_REVIEW_REQUIRED; 16699 16700 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16701 | FLAG_PERMISSION_POLICY_FIXED; 16702 16703 boolean writeInstallPermissions = false; 16704 boolean writeRuntimePermissions = false; 16705 16706 final int permissionCount = ps.pkg.requestedPermissions.size(); 16707 for (int i = 0; i < permissionCount; i++) { 16708 String permission = ps.pkg.requestedPermissions.get(i); 16709 16710 BasePermission bp = mSettings.mPermissions.get(permission); 16711 if (bp == null) { 16712 continue; 16713 } 16714 16715 // If shared user we just reset the state to which only this app contributed. 16716 if (ps.sharedUser != null) { 16717 boolean used = false; 16718 final int packageCount = ps.sharedUser.packages.size(); 16719 for (int j = 0; j < packageCount; j++) { 16720 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16721 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16722 && pkg.pkg.requestedPermissions.contains(permission)) { 16723 used = true; 16724 break; 16725 } 16726 } 16727 if (used) { 16728 continue; 16729 } 16730 } 16731 16732 PermissionsState permissionsState = ps.getPermissionsState(); 16733 16734 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16735 16736 // Always clear the user settable flags. 16737 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16738 bp.name) != null; 16739 // If permission review is enabled and this is a legacy app, mark the 16740 // permission as requiring a review as this is the initial state. 16741 int flags = 0; 16742 if (mPermissionReviewRequired 16743 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16744 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16745 } 16746 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16747 if (hasInstallState) { 16748 writeInstallPermissions = true; 16749 } else { 16750 writeRuntimePermissions = true; 16751 } 16752 } 16753 16754 // Below is only runtime permission handling. 16755 if (!bp.isRuntime()) { 16756 continue; 16757 } 16758 16759 // Never clobber system or policy. 16760 if ((oldFlags & policyOrSystemFlags) != 0) { 16761 continue; 16762 } 16763 16764 // If this permission was granted by default, make sure it is. 16765 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16766 if (permissionsState.grantRuntimePermission(bp, userId) 16767 != PERMISSION_OPERATION_FAILURE) { 16768 writeRuntimePermissions = true; 16769 } 16770 // If permission review is enabled the permissions for a legacy apps 16771 // are represented as constantly granted runtime ones, so don't revoke. 16772 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16773 // Otherwise, reset the permission. 16774 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16775 switch (revokeResult) { 16776 case PERMISSION_OPERATION_SUCCESS: 16777 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16778 writeRuntimePermissions = true; 16779 final int appId = ps.appId; 16780 mHandler.post(new Runnable() { 16781 @Override 16782 public void run() { 16783 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16784 } 16785 }); 16786 } break; 16787 } 16788 } 16789 } 16790 16791 // Synchronously write as we are taking permissions away. 16792 if (writeRuntimePermissions) { 16793 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16794 } 16795 16796 // Synchronously write as we are taking permissions away. 16797 if (writeInstallPermissions) { 16798 mSettings.writeLPr(); 16799 } 16800 } 16801 16802 /** 16803 * Remove entries from the keystore daemon. Will only remove it if the 16804 * {@code appId} is valid. 16805 */ 16806 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16807 if (appId < 0) { 16808 return; 16809 } 16810 16811 final KeyStore keyStore = KeyStore.getInstance(); 16812 if (keyStore != null) { 16813 if (userId == UserHandle.USER_ALL) { 16814 for (final int individual : sUserManager.getUserIds()) { 16815 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16816 } 16817 } else { 16818 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16819 } 16820 } else { 16821 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16822 } 16823 } 16824 16825 @Override 16826 public void deleteApplicationCacheFiles(final String packageName, 16827 final IPackageDataObserver observer) { 16828 final int userId = UserHandle.getCallingUserId(); 16829 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16830 } 16831 16832 @Override 16833 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16834 final IPackageDataObserver observer) { 16835 mContext.enforceCallingOrSelfPermission( 16836 android.Manifest.permission.DELETE_CACHE_FILES, null); 16837 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16838 /* requireFullPermission= */ true, /* checkShell= */ false, 16839 "delete application cache files"); 16840 16841 final PackageParser.Package pkg; 16842 synchronized (mPackages) { 16843 pkg = mPackages.get(packageName); 16844 } 16845 16846 // Queue up an async operation since the package deletion may take a little while. 16847 mHandler.post(new Runnable() { 16848 public void run() { 16849 synchronized (mInstallLock) { 16850 final int flags = StorageManager.FLAG_STORAGE_DE 16851 | StorageManager.FLAG_STORAGE_CE; 16852 // We're only clearing cache files, so we don't care if the 16853 // app is unfrozen and still able to run 16854 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16855 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16856 } 16857 clearExternalStorageDataSync(packageName, userId, false); 16858 if (observer != null) { 16859 try { 16860 observer.onRemoveCompleted(packageName, true); 16861 } catch (RemoteException e) { 16862 Log.i(TAG, "Observer no longer exists."); 16863 } 16864 } 16865 } 16866 }); 16867 } 16868 16869 @Override 16870 public void getPackageSizeInfo(final String packageName, int userHandle, 16871 final IPackageStatsObserver observer) { 16872 mContext.enforceCallingOrSelfPermission( 16873 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16874 if (packageName == null) { 16875 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16876 } 16877 16878 PackageStats stats = new PackageStats(packageName, userHandle); 16879 16880 /* 16881 * Queue up an async operation since the package measurement may take a 16882 * little while. 16883 */ 16884 Message msg = mHandler.obtainMessage(INIT_COPY); 16885 msg.obj = new MeasureParams(stats, observer); 16886 mHandler.sendMessage(msg); 16887 } 16888 16889 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16890 final PackageSetting ps; 16891 synchronized (mPackages) { 16892 ps = mSettings.mPackages.get(packageName); 16893 if (ps == null) { 16894 Slog.w(TAG, "Failed to find settings for " + packageName); 16895 return false; 16896 } 16897 } 16898 try { 16899 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16900 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16901 ps.getCeDataInode(userId), ps.codePathString, stats); 16902 } catch (InstallerException e) { 16903 Slog.w(TAG, String.valueOf(e)); 16904 return false; 16905 } 16906 16907 // For now, ignore code size of packages on system partition 16908 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16909 stats.codeSize = 0; 16910 } 16911 16912 return true; 16913 } 16914 16915 private int getUidTargetSdkVersionLockedLPr(int uid) { 16916 Object obj = mSettings.getUserIdLPr(uid); 16917 if (obj instanceof SharedUserSetting) { 16918 final SharedUserSetting sus = (SharedUserSetting) obj; 16919 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16920 final Iterator<PackageSetting> it = sus.packages.iterator(); 16921 while (it.hasNext()) { 16922 final PackageSetting ps = it.next(); 16923 if (ps.pkg != null) { 16924 int v = ps.pkg.applicationInfo.targetSdkVersion; 16925 if (v < vers) vers = v; 16926 } 16927 } 16928 return vers; 16929 } else if (obj instanceof PackageSetting) { 16930 final PackageSetting ps = (PackageSetting) obj; 16931 if (ps.pkg != null) { 16932 return ps.pkg.applicationInfo.targetSdkVersion; 16933 } 16934 } 16935 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16936 } 16937 16938 @Override 16939 public void addPreferredActivity(IntentFilter filter, int match, 16940 ComponentName[] set, ComponentName activity, int userId) { 16941 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16942 "Adding preferred"); 16943 } 16944 16945 private void addPreferredActivityInternal(IntentFilter filter, int match, 16946 ComponentName[] set, ComponentName activity, boolean always, int userId, 16947 String opname) { 16948 // writer 16949 int callingUid = Binder.getCallingUid(); 16950 enforceCrossUserPermission(callingUid, userId, 16951 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16952 if (filter.countActions() == 0) { 16953 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16954 return; 16955 } 16956 synchronized (mPackages) { 16957 if (mContext.checkCallingOrSelfPermission( 16958 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16959 != PackageManager.PERMISSION_GRANTED) { 16960 if (getUidTargetSdkVersionLockedLPr(callingUid) 16961 < Build.VERSION_CODES.FROYO) { 16962 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16963 + callingUid); 16964 return; 16965 } 16966 mContext.enforceCallingOrSelfPermission( 16967 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16968 } 16969 16970 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16971 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16972 + userId + ":"); 16973 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16974 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16975 scheduleWritePackageRestrictionsLocked(userId); 16976 postPreferredActivityChangedBroadcast(userId); 16977 } 16978 } 16979 16980 private void postPreferredActivityChangedBroadcast(int userId) { 16981 mHandler.post(() -> { 16982 final IActivityManager am = ActivityManagerNative.getDefault(); 16983 if (am == null) { 16984 return; 16985 } 16986 16987 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 16988 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 16989 try { 16990 am.broadcastIntent(null, intent, null, null, 16991 0, null, null, null, android.app.AppOpsManager.OP_NONE, 16992 null, false, false, userId); 16993 } catch (RemoteException e) { 16994 } 16995 }); 16996 } 16997 16998 @Override 16999 public void replacePreferredActivity(IntentFilter filter, int match, 17000 ComponentName[] set, ComponentName activity, int userId) { 17001 if (filter.countActions() != 1) { 17002 throw new IllegalArgumentException( 17003 "replacePreferredActivity expects filter to have only 1 action."); 17004 } 17005 if (filter.countDataAuthorities() != 0 17006 || filter.countDataPaths() != 0 17007 || filter.countDataSchemes() > 1 17008 || filter.countDataTypes() != 0) { 17009 throw new IllegalArgumentException( 17010 "replacePreferredActivity expects filter to have no data authorities, " + 17011 "paths, or types; and at most one scheme."); 17012 } 17013 17014 final int callingUid = Binder.getCallingUid(); 17015 enforceCrossUserPermission(callingUid, userId, 17016 true /* requireFullPermission */, false /* checkShell */, 17017 "replace preferred activity"); 17018 synchronized (mPackages) { 17019 if (mContext.checkCallingOrSelfPermission( 17020 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17021 != PackageManager.PERMISSION_GRANTED) { 17022 if (getUidTargetSdkVersionLockedLPr(callingUid) 17023 < Build.VERSION_CODES.FROYO) { 17024 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 17025 + Binder.getCallingUid()); 17026 return; 17027 } 17028 mContext.enforceCallingOrSelfPermission( 17029 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17030 } 17031 17032 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17033 if (pir != null) { 17034 // Get all of the existing entries that exactly match this filter. 17035 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 17036 if (existing != null && existing.size() == 1) { 17037 PreferredActivity cur = existing.get(0); 17038 if (DEBUG_PREFERRED) { 17039 Slog.i(TAG, "Checking replace of preferred:"); 17040 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17041 if (!cur.mPref.mAlways) { 17042 Slog.i(TAG, " -- CUR; not mAlways!"); 17043 } else { 17044 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 17045 Slog.i(TAG, " -- CUR: mSet=" 17046 + Arrays.toString(cur.mPref.mSetComponents)); 17047 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 17048 Slog.i(TAG, " -- NEW: mMatch=" 17049 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 17050 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 17051 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 17052 } 17053 } 17054 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 17055 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 17056 && cur.mPref.sameSet(set)) { 17057 // Setting the preferred activity to what it happens to be already 17058 if (DEBUG_PREFERRED) { 17059 Slog.i(TAG, "Replacing with same preferred activity " 17060 + cur.mPref.mShortComponent + " for user " 17061 + userId + ":"); 17062 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17063 } 17064 return; 17065 } 17066 } 17067 17068 if (existing != null) { 17069 if (DEBUG_PREFERRED) { 17070 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 17071 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17072 } 17073 for (int i = 0; i < existing.size(); i++) { 17074 PreferredActivity pa = existing.get(i); 17075 if (DEBUG_PREFERRED) { 17076 Slog.i(TAG, "Removing existing preferred activity " 17077 + pa.mPref.mComponent + ":"); 17078 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 17079 } 17080 pir.removeFilter(pa); 17081 } 17082 } 17083 } 17084 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17085 "Replacing preferred"); 17086 } 17087 } 17088 17089 @Override 17090 public void clearPackagePreferredActivities(String packageName) { 17091 final int uid = Binder.getCallingUid(); 17092 // writer 17093 synchronized (mPackages) { 17094 PackageParser.Package pkg = mPackages.get(packageName); 17095 if (pkg == null || pkg.applicationInfo.uid != uid) { 17096 if (mContext.checkCallingOrSelfPermission( 17097 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17098 != PackageManager.PERMISSION_GRANTED) { 17099 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 17100 < Build.VERSION_CODES.FROYO) { 17101 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 17102 + Binder.getCallingUid()); 17103 return; 17104 } 17105 mContext.enforceCallingOrSelfPermission( 17106 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17107 } 17108 } 17109 17110 int user = UserHandle.getCallingUserId(); 17111 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 17112 scheduleWritePackageRestrictionsLocked(user); 17113 } 17114 } 17115 } 17116 17117 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17118 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17119 ArrayList<PreferredActivity> removed = null; 17120 boolean changed = false; 17121 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17122 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17123 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17124 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17125 continue; 17126 } 17127 Iterator<PreferredActivity> it = pir.filterIterator(); 17128 while (it.hasNext()) { 17129 PreferredActivity pa = it.next(); 17130 // Mark entry for removal only if it matches the package name 17131 // and the entry is of type "always". 17132 if (packageName == null || 17133 (pa.mPref.mComponent.getPackageName().equals(packageName) 17134 && pa.mPref.mAlways)) { 17135 if (removed == null) { 17136 removed = new ArrayList<PreferredActivity>(); 17137 } 17138 removed.add(pa); 17139 } 17140 } 17141 if (removed != null) { 17142 for (int j=0; j<removed.size(); j++) { 17143 PreferredActivity pa = removed.get(j); 17144 pir.removeFilter(pa); 17145 } 17146 changed = true; 17147 } 17148 } 17149 if (changed) { 17150 postPreferredActivityChangedBroadcast(userId); 17151 } 17152 return changed; 17153 } 17154 17155 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17156 private void clearIntentFilterVerificationsLPw(int userId) { 17157 final int packageCount = mPackages.size(); 17158 for (int i = 0; i < packageCount; i++) { 17159 PackageParser.Package pkg = mPackages.valueAt(i); 17160 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17161 } 17162 } 17163 17164 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17165 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17166 if (userId == UserHandle.USER_ALL) { 17167 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17168 sUserManager.getUserIds())) { 17169 for (int oneUserId : sUserManager.getUserIds()) { 17170 scheduleWritePackageRestrictionsLocked(oneUserId); 17171 } 17172 } 17173 } else { 17174 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17175 scheduleWritePackageRestrictionsLocked(userId); 17176 } 17177 } 17178 } 17179 17180 void clearDefaultBrowserIfNeeded(String packageName) { 17181 for (int oneUserId : sUserManager.getUserIds()) { 17182 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17183 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17184 if (packageName.equals(defaultBrowserPackageName)) { 17185 setDefaultBrowserPackageName(null, oneUserId); 17186 } 17187 } 17188 } 17189 17190 @Override 17191 public void resetApplicationPreferences(int userId) { 17192 mContext.enforceCallingOrSelfPermission( 17193 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17194 final long identity = Binder.clearCallingIdentity(); 17195 // writer 17196 try { 17197 synchronized (mPackages) { 17198 clearPackagePreferredActivitiesLPw(null, userId); 17199 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17200 // TODO: We have to reset the default SMS and Phone. This requires 17201 // significant refactoring to keep all default apps in the package 17202 // manager (cleaner but more work) or have the services provide 17203 // callbacks to the package manager to request a default app reset. 17204 applyFactoryDefaultBrowserLPw(userId); 17205 clearIntentFilterVerificationsLPw(userId); 17206 primeDomainVerificationsLPw(userId); 17207 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17208 scheduleWritePackageRestrictionsLocked(userId); 17209 } 17210 resetNetworkPolicies(userId); 17211 } finally { 17212 Binder.restoreCallingIdentity(identity); 17213 } 17214 } 17215 17216 @Override 17217 public int getPreferredActivities(List<IntentFilter> outFilters, 17218 List<ComponentName> outActivities, String packageName) { 17219 17220 int num = 0; 17221 final int userId = UserHandle.getCallingUserId(); 17222 // reader 17223 synchronized (mPackages) { 17224 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17225 if (pir != null) { 17226 final Iterator<PreferredActivity> it = pir.filterIterator(); 17227 while (it.hasNext()) { 17228 final PreferredActivity pa = it.next(); 17229 if (packageName == null 17230 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17231 && pa.mPref.mAlways)) { 17232 if (outFilters != null) { 17233 outFilters.add(new IntentFilter(pa)); 17234 } 17235 if (outActivities != null) { 17236 outActivities.add(pa.mPref.mComponent); 17237 } 17238 } 17239 } 17240 } 17241 } 17242 17243 return num; 17244 } 17245 17246 @Override 17247 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17248 int userId) { 17249 int callingUid = Binder.getCallingUid(); 17250 if (callingUid != Process.SYSTEM_UID) { 17251 throw new SecurityException( 17252 "addPersistentPreferredActivity can only be run by the system"); 17253 } 17254 if (filter.countActions() == 0) { 17255 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17256 return; 17257 } 17258 synchronized (mPackages) { 17259 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17260 ":"); 17261 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17262 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17263 new PersistentPreferredActivity(filter, activity)); 17264 scheduleWritePackageRestrictionsLocked(userId); 17265 postPreferredActivityChangedBroadcast(userId); 17266 } 17267 } 17268 17269 @Override 17270 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17271 int callingUid = Binder.getCallingUid(); 17272 if (callingUid != Process.SYSTEM_UID) { 17273 throw new SecurityException( 17274 "clearPackagePersistentPreferredActivities can only be run by the system"); 17275 } 17276 ArrayList<PersistentPreferredActivity> removed = null; 17277 boolean changed = false; 17278 synchronized (mPackages) { 17279 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17280 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17281 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17282 .valueAt(i); 17283 if (userId != thisUserId) { 17284 continue; 17285 } 17286 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17287 while (it.hasNext()) { 17288 PersistentPreferredActivity ppa = it.next(); 17289 // Mark entry for removal only if it matches the package name. 17290 if (ppa.mComponent.getPackageName().equals(packageName)) { 17291 if (removed == null) { 17292 removed = new ArrayList<PersistentPreferredActivity>(); 17293 } 17294 removed.add(ppa); 17295 } 17296 } 17297 if (removed != null) { 17298 for (int j=0; j<removed.size(); j++) { 17299 PersistentPreferredActivity ppa = removed.get(j); 17300 ppir.removeFilter(ppa); 17301 } 17302 changed = true; 17303 } 17304 } 17305 17306 if (changed) { 17307 scheduleWritePackageRestrictionsLocked(userId); 17308 postPreferredActivityChangedBroadcast(userId); 17309 } 17310 } 17311 } 17312 17313 /** 17314 * Common machinery for picking apart a restored XML blob and passing 17315 * it to a caller-supplied functor to be applied to the running system. 17316 */ 17317 private void restoreFromXml(XmlPullParser parser, int userId, 17318 String expectedStartTag, BlobXmlRestorer functor) 17319 throws IOException, XmlPullParserException { 17320 int type; 17321 while ((type = parser.next()) != XmlPullParser.START_TAG 17322 && type != XmlPullParser.END_DOCUMENT) { 17323 } 17324 if (type != XmlPullParser.START_TAG) { 17325 // oops didn't find a start tag?! 17326 if (DEBUG_BACKUP) { 17327 Slog.e(TAG, "Didn't find start tag during restore"); 17328 } 17329 return; 17330 } 17331Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17332 // this is supposed to be TAG_PREFERRED_BACKUP 17333 if (!expectedStartTag.equals(parser.getName())) { 17334 if (DEBUG_BACKUP) { 17335 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17336 } 17337 return; 17338 } 17339 17340 // skip interfering stuff, then we're aligned with the backing implementation 17341 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17342Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17343 functor.apply(parser, userId); 17344 } 17345 17346 private interface BlobXmlRestorer { 17347 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17348 } 17349 17350 /** 17351 * Non-Binder method, support for the backup/restore mechanism: write the 17352 * full set of preferred activities in its canonical XML format. Returns the 17353 * XML output as a byte array, or null if there is none. 17354 */ 17355 @Override 17356 public byte[] getPreferredActivityBackup(int userId) { 17357 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17358 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17359 } 17360 17361 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17362 try { 17363 final XmlSerializer serializer = new FastXmlSerializer(); 17364 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17365 serializer.startDocument(null, true); 17366 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17367 17368 synchronized (mPackages) { 17369 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17370 } 17371 17372 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17373 serializer.endDocument(); 17374 serializer.flush(); 17375 } catch (Exception e) { 17376 if (DEBUG_BACKUP) { 17377 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17378 } 17379 return null; 17380 } 17381 17382 return dataStream.toByteArray(); 17383 } 17384 17385 @Override 17386 public void restorePreferredActivities(byte[] backup, int userId) { 17387 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17388 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17389 } 17390 17391 try { 17392 final XmlPullParser parser = Xml.newPullParser(); 17393 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17394 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17395 new BlobXmlRestorer() { 17396 @Override 17397 public void apply(XmlPullParser parser, int userId) 17398 throws XmlPullParserException, IOException { 17399 synchronized (mPackages) { 17400 mSettings.readPreferredActivitiesLPw(parser, userId); 17401 } 17402 } 17403 } ); 17404 } catch (Exception e) { 17405 if (DEBUG_BACKUP) { 17406 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17407 } 17408 } 17409 } 17410 17411 /** 17412 * Non-Binder method, support for the backup/restore mechanism: write the 17413 * default browser (etc) settings in its canonical XML format. Returns the default 17414 * browser XML representation as a byte array, or null if there is none. 17415 */ 17416 @Override 17417 public byte[] getDefaultAppsBackup(int userId) { 17418 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17419 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17420 } 17421 17422 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17423 try { 17424 final XmlSerializer serializer = new FastXmlSerializer(); 17425 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17426 serializer.startDocument(null, true); 17427 serializer.startTag(null, TAG_DEFAULT_APPS); 17428 17429 synchronized (mPackages) { 17430 mSettings.writeDefaultAppsLPr(serializer, userId); 17431 } 17432 17433 serializer.endTag(null, TAG_DEFAULT_APPS); 17434 serializer.endDocument(); 17435 serializer.flush(); 17436 } catch (Exception e) { 17437 if (DEBUG_BACKUP) { 17438 Slog.e(TAG, "Unable to write default apps for backup", e); 17439 } 17440 return null; 17441 } 17442 17443 return dataStream.toByteArray(); 17444 } 17445 17446 @Override 17447 public void restoreDefaultApps(byte[] backup, int userId) { 17448 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17449 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17450 } 17451 17452 try { 17453 final XmlPullParser parser = Xml.newPullParser(); 17454 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17455 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17456 new BlobXmlRestorer() { 17457 @Override 17458 public void apply(XmlPullParser parser, int userId) 17459 throws XmlPullParserException, IOException { 17460 synchronized (mPackages) { 17461 mSettings.readDefaultAppsLPw(parser, userId); 17462 } 17463 } 17464 } ); 17465 } catch (Exception e) { 17466 if (DEBUG_BACKUP) { 17467 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17468 } 17469 } 17470 } 17471 17472 @Override 17473 public byte[] getIntentFilterVerificationBackup(int userId) { 17474 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17475 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17476 } 17477 17478 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17479 try { 17480 final XmlSerializer serializer = new FastXmlSerializer(); 17481 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17482 serializer.startDocument(null, true); 17483 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17484 17485 synchronized (mPackages) { 17486 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17487 } 17488 17489 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17490 serializer.endDocument(); 17491 serializer.flush(); 17492 } catch (Exception e) { 17493 if (DEBUG_BACKUP) { 17494 Slog.e(TAG, "Unable to write default apps for backup", e); 17495 } 17496 return null; 17497 } 17498 17499 return dataStream.toByteArray(); 17500 } 17501 17502 @Override 17503 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17504 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17505 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17506 } 17507 17508 try { 17509 final XmlPullParser parser = Xml.newPullParser(); 17510 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17511 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17512 new BlobXmlRestorer() { 17513 @Override 17514 public void apply(XmlPullParser parser, int userId) 17515 throws XmlPullParserException, IOException { 17516 synchronized (mPackages) { 17517 mSettings.readAllDomainVerificationsLPr(parser, userId); 17518 mSettings.writeLPr(); 17519 } 17520 } 17521 } ); 17522 } catch (Exception e) { 17523 if (DEBUG_BACKUP) { 17524 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17525 } 17526 } 17527 } 17528 17529 @Override 17530 public byte[] getPermissionGrantBackup(int userId) { 17531 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17532 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17533 } 17534 17535 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17536 try { 17537 final XmlSerializer serializer = new FastXmlSerializer(); 17538 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17539 serializer.startDocument(null, true); 17540 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17541 17542 synchronized (mPackages) { 17543 serializeRuntimePermissionGrantsLPr(serializer, userId); 17544 } 17545 17546 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17547 serializer.endDocument(); 17548 serializer.flush(); 17549 } catch (Exception e) { 17550 if (DEBUG_BACKUP) { 17551 Slog.e(TAG, "Unable to write default apps for backup", e); 17552 } 17553 return null; 17554 } 17555 17556 return dataStream.toByteArray(); 17557 } 17558 17559 @Override 17560 public void restorePermissionGrants(byte[] backup, int userId) { 17561 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17562 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17563 } 17564 17565 try { 17566 final XmlPullParser parser = Xml.newPullParser(); 17567 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17568 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17569 new BlobXmlRestorer() { 17570 @Override 17571 public void apply(XmlPullParser parser, int userId) 17572 throws XmlPullParserException, IOException { 17573 synchronized (mPackages) { 17574 processRestoredPermissionGrantsLPr(parser, userId); 17575 } 17576 } 17577 } ); 17578 } catch (Exception e) { 17579 if (DEBUG_BACKUP) { 17580 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17581 } 17582 } 17583 } 17584 17585 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17586 throws IOException { 17587 serializer.startTag(null, TAG_ALL_GRANTS); 17588 17589 final int N = mSettings.mPackages.size(); 17590 for (int i = 0; i < N; i++) { 17591 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17592 boolean pkgGrantsKnown = false; 17593 17594 PermissionsState packagePerms = ps.getPermissionsState(); 17595 17596 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17597 final int grantFlags = state.getFlags(); 17598 // only look at grants that are not system/policy fixed 17599 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17600 final boolean isGranted = state.isGranted(); 17601 // And only back up the user-twiddled state bits 17602 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17603 final String packageName = mSettings.mPackages.keyAt(i); 17604 if (!pkgGrantsKnown) { 17605 serializer.startTag(null, TAG_GRANT); 17606 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17607 pkgGrantsKnown = true; 17608 } 17609 17610 final boolean userSet = 17611 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17612 final boolean userFixed = 17613 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17614 final boolean revoke = 17615 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17616 17617 serializer.startTag(null, TAG_PERMISSION); 17618 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17619 if (isGranted) { 17620 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17621 } 17622 if (userSet) { 17623 serializer.attribute(null, ATTR_USER_SET, "true"); 17624 } 17625 if (userFixed) { 17626 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17627 } 17628 if (revoke) { 17629 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17630 } 17631 serializer.endTag(null, TAG_PERMISSION); 17632 } 17633 } 17634 } 17635 17636 if (pkgGrantsKnown) { 17637 serializer.endTag(null, TAG_GRANT); 17638 } 17639 } 17640 17641 serializer.endTag(null, TAG_ALL_GRANTS); 17642 } 17643 17644 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17645 throws XmlPullParserException, IOException { 17646 String pkgName = null; 17647 int outerDepth = parser.getDepth(); 17648 int type; 17649 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17650 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17651 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17652 continue; 17653 } 17654 17655 final String tagName = parser.getName(); 17656 if (tagName.equals(TAG_GRANT)) { 17657 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17658 if (DEBUG_BACKUP) { 17659 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17660 } 17661 } else if (tagName.equals(TAG_PERMISSION)) { 17662 17663 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17664 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17665 17666 int newFlagSet = 0; 17667 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17668 newFlagSet |= FLAG_PERMISSION_USER_SET; 17669 } 17670 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17671 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17672 } 17673 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17674 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17675 } 17676 if (DEBUG_BACKUP) { 17677 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17678 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17679 } 17680 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17681 if (ps != null) { 17682 // Already installed so we apply the grant immediately 17683 if (DEBUG_BACKUP) { 17684 Slog.v(TAG, " + already installed; applying"); 17685 } 17686 PermissionsState perms = ps.getPermissionsState(); 17687 BasePermission bp = mSettings.mPermissions.get(permName); 17688 if (bp != null) { 17689 if (isGranted) { 17690 perms.grantRuntimePermission(bp, userId); 17691 } 17692 if (newFlagSet != 0) { 17693 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17694 } 17695 } 17696 } else { 17697 // Need to wait for post-restore install to apply the grant 17698 if (DEBUG_BACKUP) { 17699 Slog.v(TAG, " - not yet installed; saving for later"); 17700 } 17701 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17702 isGranted, newFlagSet, userId); 17703 } 17704 } else { 17705 PackageManagerService.reportSettingsProblem(Log.WARN, 17706 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17707 XmlUtils.skipCurrentTag(parser); 17708 } 17709 } 17710 17711 scheduleWriteSettingsLocked(); 17712 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17713 } 17714 17715 @Override 17716 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17717 int sourceUserId, int targetUserId, int flags) { 17718 mContext.enforceCallingOrSelfPermission( 17719 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17720 int callingUid = Binder.getCallingUid(); 17721 enforceOwnerRights(ownerPackage, callingUid); 17722 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17723 if (intentFilter.countActions() == 0) { 17724 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17725 return; 17726 } 17727 synchronized (mPackages) { 17728 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17729 ownerPackage, targetUserId, flags); 17730 CrossProfileIntentResolver resolver = 17731 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17732 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17733 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17734 if (existing != null) { 17735 int size = existing.size(); 17736 for (int i = 0; i < size; i++) { 17737 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17738 return; 17739 } 17740 } 17741 } 17742 resolver.addFilter(newFilter); 17743 scheduleWritePackageRestrictionsLocked(sourceUserId); 17744 } 17745 } 17746 17747 @Override 17748 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17749 mContext.enforceCallingOrSelfPermission( 17750 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17751 int callingUid = Binder.getCallingUid(); 17752 enforceOwnerRights(ownerPackage, callingUid); 17753 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17754 synchronized (mPackages) { 17755 CrossProfileIntentResolver resolver = 17756 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17757 ArraySet<CrossProfileIntentFilter> set = 17758 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17759 for (CrossProfileIntentFilter filter : set) { 17760 if (filter.getOwnerPackage().equals(ownerPackage)) { 17761 resolver.removeFilter(filter); 17762 } 17763 } 17764 scheduleWritePackageRestrictionsLocked(sourceUserId); 17765 } 17766 } 17767 17768 // Enforcing that callingUid is owning pkg on userId 17769 private void enforceOwnerRights(String pkg, int callingUid) { 17770 // The system owns everything. 17771 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17772 return; 17773 } 17774 int callingUserId = UserHandle.getUserId(callingUid); 17775 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17776 if (pi == null) { 17777 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17778 + callingUserId); 17779 } 17780 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17781 throw new SecurityException("Calling uid " + callingUid 17782 + " does not own package " + pkg); 17783 } 17784 } 17785 17786 @Override 17787 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17788 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17789 } 17790 17791 private Intent getHomeIntent() { 17792 Intent intent = new Intent(Intent.ACTION_MAIN); 17793 intent.addCategory(Intent.CATEGORY_HOME); 17794 intent.addCategory(Intent.CATEGORY_DEFAULT); 17795 return intent; 17796 } 17797 17798 private IntentFilter getHomeFilter() { 17799 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17800 filter.addCategory(Intent.CATEGORY_HOME); 17801 filter.addCategory(Intent.CATEGORY_DEFAULT); 17802 return filter; 17803 } 17804 17805 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17806 int userId) { 17807 Intent intent = getHomeIntent(); 17808 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17809 PackageManager.GET_META_DATA, userId); 17810 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17811 true, false, false, userId); 17812 17813 allHomeCandidates.clear(); 17814 if (list != null) { 17815 for (ResolveInfo ri : list) { 17816 allHomeCandidates.add(ri); 17817 } 17818 } 17819 return (preferred == null || preferred.activityInfo == null) 17820 ? null 17821 : new ComponentName(preferred.activityInfo.packageName, 17822 preferred.activityInfo.name); 17823 } 17824 17825 @Override 17826 public void setHomeActivity(ComponentName comp, int userId) { 17827 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17828 getHomeActivitiesAsUser(homeActivities, userId); 17829 17830 boolean found = false; 17831 17832 final int size = homeActivities.size(); 17833 final ComponentName[] set = new ComponentName[size]; 17834 for (int i = 0; i < size; i++) { 17835 final ResolveInfo candidate = homeActivities.get(i); 17836 final ActivityInfo info = candidate.activityInfo; 17837 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17838 set[i] = activityName; 17839 if (!found && activityName.equals(comp)) { 17840 found = true; 17841 } 17842 } 17843 if (!found) { 17844 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17845 + userId); 17846 } 17847 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17848 set, comp, userId); 17849 } 17850 17851 private @Nullable String getSetupWizardPackageName() { 17852 final Intent intent = new Intent(Intent.ACTION_MAIN); 17853 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17854 17855 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17856 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17857 | MATCH_DISABLED_COMPONENTS, 17858 UserHandle.myUserId()); 17859 if (matches.size() == 1) { 17860 return matches.get(0).getComponentInfo().packageName; 17861 } else { 17862 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17863 + ": matches=" + matches); 17864 return null; 17865 } 17866 } 17867 17868 private @Nullable String getStorageManagerPackageName() { 17869 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 17870 17871 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17872 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17873 | MATCH_DISABLED_COMPONENTS, 17874 UserHandle.myUserId()); 17875 if (matches.size() == 1) { 17876 return matches.get(0).getComponentInfo().packageName; 17877 } else { 17878 Slog.e(TAG, "There should probably be exactly one storage manager; found " 17879 + matches.size() + ": matches=" + matches); 17880 return null; 17881 } 17882 } 17883 17884 @Override 17885 public void setApplicationEnabledSetting(String appPackageName, 17886 int newState, int flags, int userId, String callingPackage) { 17887 if (!sUserManager.exists(userId)) return; 17888 if (callingPackage == null) { 17889 callingPackage = Integer.toString(Binder.getCallingUid()); 17890 } 17891 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17892 } 17893 17894 @Override 17895 public void setComponentEnabledSetting(ComponentName componentName, 17896 int newState, int flags, int userId) { 17897 if (!sUserManager.exists(userId)) return; 17898 setEnabledSetting(componentName.getPackageName(), 17899 componentName.getClassName(), newState, flags, userId, null); 17900 } 17901 17902 private void setEnabledSetting(final String packageName, String className, int newState, 17903 final int flags, int userId, String callingPackage) { 17904 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17905 || newState == COMPONENT_ENABLED_STATE_ENABLED 17906 || newState == COMPONENT_ENABLED_STATE_DISABLED 17907 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17908 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17909 throw new IllegalArgumentException("Invalid new component state: " 17910 + newState); 17911 } 17912 PackageSetting pkgSetting; 17913 final int uid = Binder.getCallingUid(); 17914 final int permission; 17915 if (uid == Process.SYSTEM_UID) { 17916 permission = PackageManager.PERMISSION_GRANTED; 17917 } else { 17918 permission = mContext.checkCallingOrSelfPermission( 17919 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17920 } 17921 enforceCrossUserPermission(uid, userId, 17922 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17923 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17924 boolean sendNow = false; 17925 boolean isApp = (className == null); 17926 String componentName = isApp ? packageName : className; 17927 int packageUid = -1; 17928 ArrayList<String> components; 17929 17930 // writer 17931 synchronized (mPackages) { 17932 pkgSetting = mSettings.mPackages.get(packageName); 17933 if (pkgSetting == null) { 17934 if (className == null) { 17935 throw new IllegalArgumentException("Unknown package: " + packageName); 17936 } 17937 throw new IllegalArgumentException( 17938 "Unknown component: " + packageName + "/" + className); 17939 } 17940 } 17941 17942 // Limit who can change which apps 17943 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17944 // Don't allow apps that don't have permission to modify other apps 17945 if (!allowedByPermission) { 17946 throw new SecurityException( 17947 "Permission Denial: attempt to change component state from pid=" 17948 + Binder.getCallingPid() 17949 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17950 } 17951 // Don't allow changing protected packages. 17952 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17953 throw new SecurityException("Cannot disable a protected package: " + packageName); 17954 } 17955 } 17956 17957 synchronized (mPackages) { 17958 if (uid == Process.SHELL_UID) { 17959 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17960 int oldState = pkgSetting.getEnabled(userId); 17961 if (className == null 17962 && 17963 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17964 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17965 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17966 && 17967 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17968 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17969 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17970 // ok 17971 } else { 17972 throw new SecurityException( 17973 "Shell cannot change component state for " + packageName + "/" 17974 + className + " to " + newState); 17975 } 17976 } 17977 if (className == null) { 17978 // We're dealing with an application/package level state change 17979 if (pkgSetting.getEnabled(userId) == newState) { 17980 // Nothing to do 17981 return; 17982 } 17983 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17984 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17985 // Don't care about who enables an app. 17986 callingPackage = null; 17987 } 17988 pkgSetting.setEnabled(newState, userId, callingPackage); 17989 // pkgSetting.pkg.mSetEnabled = newState; 17990 } else { 17991 // We're dealing with a component level state change 17992 // First, verify that this is a valid class name. 17993 PackageParser.Package pkg = pkgSetting.pkg; 17994 if (pkg == null || !pkg.hasComponentClassName(className)) { 17995 if (pkg != null && 17996 pkg.applicationInfo.targetSdkVersion >= 17997 Build.VERSION_CODES.JELLY_BEAN) { 17998 throw new IllegalArgumentException("Component class " + className 17999 + " does not exist in " + packageName); 18000 } else { 18001 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 18002 + className + " does not exist in " + packageName); 18003 } 18004 } 18005 switch (newState) { 18006 case COMPONENT_ENABLED_STATE_ENABLED: 18007 if (!pkgSetting.enableComponentLPw(className, userId)) { 18008 return; 18009 } 18010 break; 18011 case COMPONENT_ENABLED_STATE_DISABLED: 18012 if (!pkgSetting.disableComponentLPw(className, userId)) { 18013 return; 18014 } 18015 break; 18016 case COMPONENT_ENABLED_STATE_DEFAULT: 18017 if (!pkgSetting.restoreComponentLPw(className, userId)) { 18018 return; 18019 } 18020 break; 18021 default: 18022 Slog.e(TAG, "Invalid new component state: " + newState); 18023 return; 18024 } 18025 } 18026 scheduleWritePackageRestrictionsLocked(userId); 18027 components = mPendingBroadcasts.get(userId, packageName); 18028 final boolean newPackage = components == null; 18029 if (newPackage) { 18030 components = new ArrayList<String>(); 18031 } 18032 if (!components.contains(componentName)) { 18033 components.add(componentName); 18034 } 18035 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 18036 sendNow = true; 18037 // Purge entry from pending broadcast list if another one exists already 18038 // since we are sending one right away. 18039 mPendingBroadcasts.remove(userId, packageName); 18040 } else { 18041 if (newPackage) { 18042 mPendingBroadcasts.put(userId, packageName, components); 18043 } 18044 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 18045 // Schedule a message 18046 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 18047 } 18048 } 18049 } 18050 18051 long callingId = Binder.clearCallingIdentity(); 18052 try { 18053 if (sendNow) { 18054 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 18055 sendPackageChangedBroadcast(packageName, 18056 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 18057 } 18058 } finally { 18059 Binder.restoreCallingIdentity(callingId); 18060 } 18061 } 18062 18063 @Override 18064 public void flushPackageRestrictionsAsUser(int userId) { 18065 if (!sUserManager.exists(userId)) { 18066 return; 18067 } 18068 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 18069 false /* checkShell */, "flushPackageRestrictions"); 18070 synchronized (mPackages) { 18071 mSettings.writePackageRestrictionsLPr(userId); 18072 mDirtyUsers.remove(userId); 18073 if (mDirtyUsers.isEmpty()) { 18074 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 18075 } 18076 } 18077 } 18078 18079 private void sendPackageChangedBroadcast(String packageName, 18080 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 18081 if (DEBUG_INSTALL) 18082 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 18083 + componentNames); 18084 Bundle extras = new Bundle(4); 18085 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 18086 String nameList[] = new String[componentNames.size()]; 18087 componentNames.toArray(nameList); 18088 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 18089 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 18090 extras.putInt(Intent.EXTRA_UID, packageUid); 18091 // If this is not reporting a change of the overall package, then only send it 18092 // to registered receivers. We don't want to launch a swath of apps for every 18093 // little component state change. 18094 final int flags = !componentNames.contains(packageName) 18095 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 18096 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 18097 new int[] {UserHandle.getUserId(packageUid)}); 18098 } 18099 18100 @Override 18101 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 18102 if (!sUserManager.exists(userId)) return; 18103 final int uid = Binder.getCallingUid(); 18104 final int permission = mContext.checkCallingOrSelfPermission( 18105 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18106 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18107 enforceCrossUserPermission(uid, userId, 18108 true /* requireFullPermission */, true /* checkShell */, "stop package"); 18109 // writer 18110 synchronized (mPackages) { 18111 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 18112 allowedByPermission, uid, userId)) { 18113 scheduleWritePackageRestrictionsLocked(userId); 18114 } 18115 } 18116 } 18117 18118 @Override 18119 public String getInstallerPackageName(String packageName) { 18120 // reader 18121 synchronized (mPackages) { 18122 return mSettings.getInstallerPackageNameLPr(packageName); 18123 } 18124 } 18125 18126 public boolean isOrphaned(String packageName) { 18127 // reader 18128 synchronized (mPackages) { 18129 return mSettings.isOrphaned(packageName); 18130 } 18131 } 18132 18133 @Override 18134 public int getApplicationEnabledSetting(String packageName, int userId) { 18135 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18136 int uid = Binder.getCallingUid(); 18137 enforceCrossUserPermission(uid, userId, 18138 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18139 // reader 18140 synchronized (mPackages) { 18141 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18142 } 18143 } 18144 18145 @Override 18146 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18147 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18148 int uid = Binder.getCallingUid(); 18149 enforceCrossUserPermission(uid, userId, 18150 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18151 // reader 18152 synchronized (mPackages) { 18153 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18154 } 18155 } 18156 18157 @Override 18158 public void enterSafeMode() { 18159 enforceSystemOrRoot("Only the system can request entering safe mode"); 18160 18161 if (!mSystemReady) { 18162 mSafeMode = true; 18163 } 18164 } 18165 18166 @Override 18167 public void systemReady() { 18168 mSystemReady = true; 18169 18170 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18171 // disabled after already being started. 18172 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18173 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18174 18175 // Read the compatibilty setting when the system is ready. 18176 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18177 mContext.getContentResolver(), 18178 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18179 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18180 if (DEBUG_SETTINGS) { 18181 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18182 } 18183 18184 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18185 18186 synchronized (mPackages) { 18187 // Verify that all of the preferred activity components actually 18188 // exist. It is possible for applications to be updated and at 18189 // that point remove a previously declared activity component that 18190 // had been set as a preferred activity. We try to clean this up 18191 // the next time we encounter that preferred activity, but it is 18192 // possible for the user flow to never be able to return to that 18193 // situation so here we do a sanity check to make sure we haven't 18194 // left any junk around. 18195 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18196 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18197 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18198 removed.clear(); 18199 for (PreferredActivity pa : pir.filterSet()) { 18200 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18201 removed.add(pa); 18202 } 18203 } 18204 if (removed.size() > 0) { 18205 for (int r=0; r<removed.size(); r++) { 18206 PreferredActivity pa = removed.get(r); 18207 Slog.w(TAG, "Removing dangling preferred activity: " 18208 + pa.mPref.mComponent); 18209 pir.removeFilter(pa); 18210 } 18211 mSettings.writePackageRestrictionsLPr( 18212 mSettings.mPreferredActivities.keyAt(i)); 18213 } 18214 } 18215 18216 for (int userId : UserManagerService.getInstance().getUserIds()) { 18217 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18218 grantPermissionsUserIds = ArrayUtils.appendInt( 18219 grantPermissionsUserIds, userId); 18220 } 18221 } 18222 } 18223 sUserManager.systemReady(); 18224 18225 // If we upgraded grant all default permissions before kicking off. 18226 for (int userId : grantPermissionsUserIds) { 18227 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18228 } 18229 18230 // If we did not grant default permissions, we preload from this the 18231 // default permission exceptions lazily to ensure we don't hit the 18232 // disk on a new user creation. 18233 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18234 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18235 } 18236 18237 // Kick off any messages waiting for system ready 18238 if (mPostSystemReadyMessages != null) { 18239 for (Message msg : mPostSystemReadyMessages) { 18240 msg.sendToTarget(); 18241 } 18242 mPostSystemReadyMessages = null; 18243 } 18244 18245 // Watch for external volumes that come and go over time 18246 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18247 storage.registerListener(mStorageListener); 18248 18249 mInstallerService.systemReady(); 18250 mPackageDexOptimizer.systemReady(); 18251 18252 MountServiceInternal mountServiceInternal = LocalServices.getService( 18253 MountServiceInternal.class); 18254 mountServiceInternal.addExternalStoragePolicy( 18255 new MountServiceInternal.ExternalStorageMountPolicy() { 18256 @Override 18257 public int getMountMode(int uid, String packageName) { 18258 if (Process.isIsolated(uid)) { 18259 return Zygote.MOUNT_EXTERNAL_NONE; 18260 } 18261 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18262 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18263 } 18264 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18265 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18266 } 18267 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18268 return Zygote.MOUNT_EXTERNAL_READ; 18269 } 18270 return Zygote.MOUNT_EXTERNAL_WRITE; 18271 } 18272 18273 @Override 18274 public boolean hasExternalStorage(int uid, String packageName) { 18275 return true; 18276 } 18277 }); 18278 18279 // Now that we're mostly running, clean up stale users and apps 18280 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18281 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18282 } 18283 18284 @Override 18285 public boolean isSafeMode() { 18286 return mSafeMode; 18287 } 18288 18289 @Override 18290 public boolean hasSystemUidErrors() { 18291 return mHasSystemUidErrors; 18292 } 18293 18294 static String arrayToString(int[] array) { 18295 StringBuffer buf = new StringBuffer(128); 18296 buf.append('['); 18297 if (array != null) { 18298 for (int i=0; i<array.length; i++) { 18299 if (i > 0) buf.append(", "); 18300 buf.append(array[i]); 18301 } 18302 } 18303 buf.append(']'); 18304 return buf.toString(); 18305 } 18306 18307 static class DumpState { 18308 public static final int DUMP_LIBS = 1 << 0; 18309 public static final int DUMP_FEATURES = 1 << 1; 18310 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18311 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18312 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18313 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18314 public static final int DUMP_PERMISSIONS = 1 << 6; 18315 public static final int DUMP_PACKAGES = 1 << 7; 18316 public static final int DUMP_SHARED_USERS = 1 << 8; 18317 public static final int DUMP_MESSAGES = 1 << 9; 18318 public static final int DUMP_PROVIDERS = 1 << 10; 18319 public static final int DUMP_VERIFIERS = 1 << 11; 18320 public static final int DUMP_PREFERRED = 1 << 12; 18321 public static final int DUMP_PREFERRED_XML = 1 << 13; 18322 public static final int DUMP_KEYSETS = 1 << 14; 18323 public static final int DUMP_VERSION = 1 << 15; 18324 public static final int DUMP_INSTALLS = 1 << 16; 18325 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18326 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18327 public static final int DUMP_FROZEN = 1 << 19; 18328 public static final int DUMP_DEXOPT = 1 << 20; 18329 public static final int DUMP_COMPILER_STATS = 1 << 21; 18330 18331 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18332 18333 private int mTypes; 18334 18335 private int mOptions; 18336 18337 private boolean mTitlePrinted; 18338 18339 private SharedUserSetting mSharedUser; 18340 18341 public boolean isDumping(int type) { 18342 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18343 return true; 18344 } 18345 18346 return (mTypes & type) != 0; 18347 } 18348 18349 public void setDump(int type) { 18350 mTypes |= type; 18351 } 18352 18353 public boolean isOptionEnabled(int option) { 18354 return (mOptions & option) != 0; 18355 } 18356 18357 public void setOptionEnabled(int option) { 18358 mOptions |= option; 18359 } 18360 18361 public boolean onTitlePrinted() { 18362 final boolean printed = mTitlePrinted; 18363 mTitlePrinted = true; 18364 return printed; 18365 } 18366 18367 public boolean getTitlePrinted() { 18368 return mTitlePrinted; 18369 } 18370 18371 public void setTitlePrinted(boolean enabled) { 18372 mTitlePrinted = enabled; 18373 } 18374 18375 public SharedUserSetting getSharedUser() { 18376 return mSharedUser; 18377 } 18378 18379 public void setSharedUser(SharedUserSetting user) { 18380 mSharedUser = user; 18381 } 18382 } 18383 18384 @Override 18385 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18386 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18387 (new PackageManagerShellCommand(this)).exec( 18388 this, in, out, err, args, resultReceiver); 18389 } 18390 18391 @Override 18392 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18393 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18394 != PackageManager.PERMISSION_GRANTED) { 18395 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18396 + Binder.getCallingPid() 18397 + ", uid=" + Binder.getCallingUid() 18398 + " without permission " 18399 + android.Manifest.permission.DUMP); 18400 return; 18401 } 18402 18403 DumpState dumpState = new DumpState(); 18404 boolean fullPreferred = false; 18405 boolean checkin = false; 18406 18407 String packageName = null; 18408 ArraySet<String> permissionNames = null; 18409 18410 int opti = 0; 18411 while (opti < args.length) { 18412 String opt = args[opti]; 18413 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18414 break; 18415 } 18416 opti++; 18417 18418 if ("-a".equals(opt)) { 18419 // Right now we only know how to print all. 18420 } else if ("-h".equals(opt)) { 18421 pw.println("Package manager dump options:"); 18422 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18423 pw.println(" --checkin: dump for a checkin"); 18424 pw.println(" -f: print details of intent filters"); 18425 pw.println(" -h: print this help"); 18426 pw.println(" cmd may be one of:"); 18427 pw.println(" l[ibraries]: list known shared libraries"); 18428 pw.println(" f[eatures]: list device features"); 18429 pw.println(" k[eysets]: print known keysets"); 18430 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18431 pw.println(" perm[issions]: dump permissions"); 18432 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18433 pw.println(" pref[erred]: print preferred package settings"); 18434 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18435 pw.println(" prov[iders]: dump content providers"); 18436 pw.println(" p[ackages]: dump installed packages"); 18437 pw.println(" s[hared-users]: dump shared user IDs"); 18438 pw.println(" m[essages]: print collected runtime messages"); 18439 pw.println(" v[erifiers]: print package verifier info"); 18440 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18441 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18442 pw.println(" version: print database version info"); 18443 pw.println(" write: write current settings now"); 18444 pw.println(" installs: details about install sessions"); 18445 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18446 pw.println(" dexopt: dump dexopt state"); 18447 pw.println(" compiler-stats: dump compiler statistics"); 18448 pw.println(" <package.name>: info about given package"); 18449 return; 18450 } else if ("--checkin".equals(opt)) { 18451 checkin = true; 18452 } else if ("-f".equals(opt)) { 18453 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18454 } else { 18455 pw.println("Unknown argument: " + opt + "; use -h for help"); 18456 } 18457 } 18458 18459 // Is the caller requesting to dump a particular piece of data? 18460 if (opti < args.length) { 18461 String cmd = args[opti]; 18462 opti++; 18463 // Is this a package name? 18464 if ("android".equals(cmd) || cmd.contains(".")) { 18465 packageName = cmd; 18466 // When dumping a single package, we always dump all of its 18467 // filter information since the amount of data will be reasonable. 18468 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18469 } else if ("check-permission".equals(cmd)) { 18470 if (opti >= args.length) { 18471 pw.println("Error: check-permission missing permission argument"); 18472 return; 18473 } 18474 String perm = args[opti]; 18475 opti++; 18476 if (opti >= args.length) { 18477 pw.println("Error: check-permission missing package argument"); 18478 return; 18479 } 18480 String pkg = args[opti]; 18481 opti++; 18482 int user = UserHandle.getUserId(Binder.getCallingUid()); 18483 if (opti < args.length) { 18484 try { 18485 user = Integer.parseInt(args[opti]); 18486 } catch (NumberFormatException e) { 18487 pw.println("Error: check-permission user argument is not a number: " 18488 + args[opti]); 18489 return; 18490 } 18491 } 18492 pw.println(checkPermission(perm, pkg, user)); 18493 return; 18494 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18495 dumpState.setDump(DumpState.DUMP_LIBS); 18496 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18497 dumpState.setDump(DumpState.DUMP_FEATURES); 18498 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18499 if (opti >= args.length) { 18500 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18501 | DumpState.DUMP_SERVICE_RESOLVERS 18502 | DumpState.DUMP_RECEIVER_RESOLVERS 18503 | DumpState.DUMP_CONTENT_RESOLVERS); 18504 } else { 18505 while (opti < args.length) { 18506 String name = args[opti]; 18507 if ("a".equals(name) || "activity".equals(name)) { 18508 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18509 } else if ("s".equals(name) || "service".equals(name)) { 18510 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18511 } else if ("r".equals(name) || "receiver".equals(name)) { 18512 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18513 } else if ("c".equals(name) || "content".equals(name)) { 18514 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18515 } else { 18516 pw.println("Error: unknown resolver table type: " + name); 18517 return; 18518 } 18519 opti++; 18520 } 18521 } 18522 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18523 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18524 } else if ("permission".equals(cmd)) { 18525 if (opti >= args.length) { 18526 pw.println("Error: permission requires permission name"); 18527 return; 18528 } 18529 permissionNames = new ArraySet<>(); 18530 while (opti < args.length) { 18531 permissionNames.add(args[opti]); 18532 opti++; 18533 } 18534 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18535 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18536 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18537 dumpState.setDump(DumpState.DUMP_PREFERRED); 18538 } else if ("preferred-xml".equals(cmd)) { 18539 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18540 if (opti < args.length && "--full".equals(args[opti])) { 18541 fullPreferred = true; 18542 opti++; 18543 } 18544 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18545 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18546 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18547 dumpState.setDump(DumpState.DUMP_PACKAGES); 18548 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18549 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18550 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18551 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18552 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18553 dumpState.setDump(DumpState.DUMP_MESSAGES); 18554 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18555 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18556 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18557 || "intent-filter-verifiers".equals(cmd)) { 18558 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18559 } else if ("version".equals(cmd)) { 18560 dumpState.setDump(DumpState.DUMP_VERSION); 18561 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18562 dumpState.setDump(DumpState.DUMP_KEYSETS); 18563 } else if ("installs".equals(cmd)) { 18564 dumpState.setDump(DumpState.DUMP_INSTALLS); 18565 } else if ("frozen".equals(cmd)) { 18566 dumpState.setDump(DumpState.DUMP_FROZEN); 18567 } else if ("dexopt".equals(cmd)) { 18568 dumpState.setDump(DumpState.DUMP_DEXOPT); 18569 } else if ("compiler-stats".equals(cmd)) { 18570 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18571 } else if ("write".equals(cmd)) { 18572 synchronized (mPackages) { 18573 mSettings.writeLPr(); 18574 pw.println("Settings written."); 18575 return; 18576 } 18577 } 18578 } 18579 18580 if (checkin) { 18581 pw.println("vers,1"); 18582 } 18583 18584 // reader 18585 synchronized (mPackages) { 18586 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18587 if (!checkin) { 18588 if (dumpState.onTitlePrinted()) 18589 pw.println(); 18590 pw.println("Database versions:"); 18591 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18592 } 18593 } 18594 18595 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18596 if (!checkin) { 18597 if (dumpState.onTitlePrinted()) 18598 pw.println(); 18599 pw.println("Verifiers:"); 18600 pw.print(" Required: "); 18601 pw.print(mRequiredVerifierPackage); 18602 pw.print(" (uid="); 18603 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18604 UserHandle.USER_SYSTEM)); 18605 pw.println(")"); 18606 } else if (mRequiredVerifierPackage != null) { 18607 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18608 pw.print(","); 18609 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18610 UserHandle.USER_SYSTEM)); 18611 } 18612 } 18613 18614 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18615 packageName == null) { 18616 if (mIntentFilterVerifierComponent != null) { 18617 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18618 if (!checkin) { 18619 if (dumpState.onTitlePrinted()) 18620 pw.println(); 18621 pw.println("Intent Filter Verifier:"); 18622 pw.print(" Using: "); 18623 pw.print(verifierPackageName); 18624 pw.print(" (uid="); 18625 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18626 UserHandle.USER_SYSTEM)); 18627 pw.println(")"); 18628 } else if (verifierPackageName != null) { 18629 pw.print("ifv,"); pw.print(verifierPackageName); 18630 pw.print(","); 18631 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18632 UserHandle.USER_SYSTEM)); 18633 } 18634 } else { 18635 pw.println(); 18636 pw.println("No Intent Filter Verifier available!"); 18637 } 18638 } 18639 18640 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18641 boolean printedHeader = false; 18642 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18643 while (it.hasNext()) { 18644 String name = it.next(); 18645 SharedLibraryEntry ent = mSharedLibraries.get(name); 18646 if (!checkin) { 18647 if (!printedHeader) { 18648 if (dumpState.onTitlePrinted()) 18649 pw.println(); 18650 pw.println("Libraries:"); 18651 printedHeader = true; 18652 } 18653 pw.print(" "); 18654 } else { 18655 pw.print("lib,"); 18656 } 18657 pw.print(name); 18658 if (!checkin) { 18659 pw.print(" -> "); 18660 } 18661 if (ent.path != null) { 18662 if (!checkin) { 18663 pw.print("(jar) "); 18664 pw.print(ent.path); 18665 } else { 18666 pw.print(",jar,"); 18667 pw.print(ent.path); 18668 } 18669 } else { 18670 if (!checkin) { 18671 pw.print("(apk) "); 18672 pw.print(ent.apk); 18673 } else { 18674 pw.print(",apk,"); 18675 pw.print(ent.apk); 18676 } 18677 } 18678 pw.println(); 18679 } 18680 } 18681 18682 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18683 if (dumpState.onTitlePrinted()) 18684 pw.println(); 18685 if (!checkin) { 18686 pw.println("Features:"); 18687 } 18688 18689 for (FeatureInfo feat : mAvailableFeatures.values()) { 18690 if (checkin) { 18691 pw.print("feat,"); 18692 pw.print(feat.name); 18693 pw.print(","); 18694 pw.println(feat.version); 18695 } else { 18696 pw.print(" "); 18697 pw.print(feat.name); 18698 if (feat.version > 0) { 18699 pw.print(" version="); 18700 pw.print(feat.version); 18701 } 18702 pw.println(); 18703 } 18704 } 18705 } 18706 18707 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18708 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18709 : "Activity Resolver Table:", " ", packageName, 18710 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18711 dumpState.setTitlePrinted(true); 18712 } 18713 } 18714 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18715 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18716 : "Receiver Resolver Table:", " ", packageName, 18717 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18718 dumpState.setTitlePrinted(true); 18719 } 18720 } 18721 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18722 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18723 : "Service Resolver Table:", " ", packageName, 18724 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18725 dumpState.setTitlePrinted(true); 18726 } 18727 } 18728 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18729 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18730 : "Provider Resolver Table:", " ", packageName, 18731 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18732 dumpState.setTitlePrinted(true); 18733 } 18734 } 18735 18736 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18737 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18738 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18739 int user = mSettings.mPreferredActivities.keyAt(i); 18740 if (pir.dump(pw, 18741 dumpState.getTitlePrinted() 18742 ? "\nPreferred Activities User " + user + ":" 18743 : "Preferred Activities User " + user + ":", " ", 18744 packageName, true, false)) { 18745 dumpState.setTitlePrinted(true); 18746 } 18747 } 18748 } 18749 18750 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18751 pw.flush(); 18752 FileOutputStream fout = new FileOutputStream(fd); 18753 BufferedOutputStream str = new BufferedOutputStream(fout); 18754 XmlSerializer serializer = new FastXmlSerializer(); 18755 try { 18756 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18757 serializer.startDocument(null, true); 18758 serializer.setFeature( 18759 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18760 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18761 serializer.endDocument(); 18762 serializer.flush(); 18763 } catch (IllegalArgumentException e) { 18764 pw.println("Failed writing: " + e); 18765 } catch (IllegalStateException e) { 18766 pw.println("Failed writing: " + e); 18767 } catch (IOException e) { 18768 pw.println("Failed writing: " + e); 18769 } 18770 } 18771 18772 if (!checkin 18773 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18774 && packageName == null) { 18775 pw.println(); 18776 int count = mSettings.mPackages.size(); 18777 if (count == 0) { 18778 pw.println("No applications!"); 18779 pw.println(); 18780 } else { 18781 final String prefix = " "; 18782 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18783 if (allPackageSettings.size() == 0) { 18784 pw.println("No domain preferred apps!"); 18785 pw.println(); 18786 } else { 18787 pw.println("App verification status:"); 18788 pw.println(); 18789 count = 0; 18790 for (PackageSetting ps : allPackageSettings) { 18791 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18792 if (ivi == null || ivi.getPackageName() == null) continue; 18793 pw.println(prefix + "Package: " + ivi.getPackageName()); 18794 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18795 pw.println(prefix + "Status: " + ivi.getStatusString()); 18796 pw.println(); 18797 count++; 18798 } 18799 if (count == 0) { 18800 pw.println(prefix + "No app verification established."); 18801 pw.println(); 18802 } 18803 for (int userId : sUserManager.getUserIds()) { 18804 pw.println("App linkages for user " + userId + ":"); 18805 pw.println(); 18806 count = 0; 18807 for (PackageSetting ps : allPackageSettings) { 18808 final long status = ps.getDomainVerificationStatusForUser(userId); 18809 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18810 continue; 18811 } 18812 pw.println(prefix + "Package: " + ps.name); 18813 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18814 String statusStr = IntentFilterVerificationInfo. 18815 getStatusStringFromValue(status); 18816 pw.println(prefix + "Status: " + statusStr); 18817 pw.println(); 18818 count++; 18819 } 18820 if (count == 0) { 18821 pw.println(prefix + "No configured app linkages."); 18822 pw.println(); 18823 } 18824 } 18825 } 18826 } 18827 } 18828 18829 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18830 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18831 if (packageName == null && permissionNames == null) { 18832 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18833 if (iperm == 0) { 18834 if (dumpState.onTitlePrinted()) 18835 pw.println(); 18836 pw.println("AppOp Permissions:"); 18837 } 18838 pw.print(" AppOp Permission "); 18839 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18840 pw.println(":"); 18841 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18842 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18843 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18844 } 18845 } 18846 } 18847 } 18848 18849 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18850 boolean printedSomething = false; 18851 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18852 if (packageName != null && !packageName.equals(p.info.packageName)) { 18853 continue; 18854 } 18855 if (!printedSomething) { 18856 if (dumpState.onTitlePrinted()) 18857 pw.println(); 18858 pw.println("Registered ContentProviders:"); 18859 printedSomething = true; 18860 } 18861 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18862 pw.print(" "); pw.println(p.toString()); 18863 } 18864 printedSomething = false; 18865 for (Map.Entry<String, PackageParser.Provider> entry : 18866 mProvidersByAuthority.entrySet()) { 18867 PackageParser.Provider p = entry.getValue(); 18868 if (packageName != null && !packageName.equals(p.info.packageName)) { 18869 continue; 18870 } 18871 if (!printedSomething) { 18872 if (dumpState.onTitlePrinted()) 18873 pw.println(); 18874 pw.println("ContentProvider Authorities:"); 18875 printedSomething = true; 18876 } 18877 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18878 pw.print(" "); pw.println(p.toString()); 18879 if (p.info != null && p.info.applicationInfo != null) { 18880 final String appInfo = p.info.applicationInfo.toString(); 18881 pw.print(" applicationInfo="); pw.println(appInfo); 18882 } 18883 } 18884 } 18885 18886 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18887 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18888 } 18889 18890 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18891 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18892 } 18893 18894 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18895 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18896 } 18897 18898 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18899 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18900 } 18901 18902 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18903 // XXX should handle packageName != null by dumping only install data that 18904 // the given package is involved with. 18905 if (dumpState.onTitlePrinted()) pw.println(); 18906 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18907 } 18908 18909 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18910 // XXX should handle packageName != null by dumping only install data that 18911 // the given package is involved with. 18912 if (dumpState.onTitlePrinted()) pw.println(); 18913 18914 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18915 ipw.println(); 18916 ipw.println("Frozen packages:"); 18917 ipw.increaseIndent(); 18918 if (mFrozenPackages.size() == 0) { 18919 ipw.println("(none)"); 18920 } else { 18921 for (int i = 0; i < mFrozenPackages.size(); i++) { 18922 ipw.println(mFrozenPackages.valueAt(i)); 18923 } 18924 } 18925 ipw.decreaseIndent(); 18926 } 18927 18928 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18929 if (dumpState.onTitlePrinted()) pw.println(); 18930 dumpDexoptStateLPr(pw, packageName); 18931 } 18932 18933 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 18934 if (dumpState.onTitlePrinted()) pw.println(); 18935 dumpCompilerStatsLPr(pw, packageName); 18936 } 18937 18938 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18939 if (dumpState.onTitlePrinted()) pw.println(); 18940 mSettings.dumpReadMessagesLPr(pw, dumpState); 18941 18942 pw.println(); 18943 pw.println("Package warning messages:"); 18944 BufferedReader in = null; 18945 String line = null; 18946 try { 18947 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18948 while ((line = in.readLine()) != null) { 18949 if (line.contains("ignored: updated version")) continue; 18950 pw.println(line); 18951 } 18952 } catch (IOException ignored) { 18953 } finally { 18954 IoUtils.closeQuietly(in); 18955 } 18956 } 18957 18958 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18959 BufferedReader in = null; 18960 String line = null; 18961 try { 18962 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18963 while ((line = in.readLine()) != null) { 18964 if (line.contains("ignored: updated version")) continue; 18965 pw.print("msg,"); 18966 pw.println(line); 18967 } 18968 } catch (IOException ignored) { 18969 } finally { 18970 IoUtils.closeQuietly(in); 18971 } 18972 } 18973 } 18974 } 18975 18976 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18977 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18978 ipw.println(); 18979 ipw.println("Dexopt state:"); 18980 ipw.increaseIndent(); 18981 Collection<PackageParser.Package> packages = null; 18982 if (packageName != null) { 18983 PackageParser.Package targetPackage = mPackages.get(packageName); 18984 if (targetPackage != null) { 18985 packages = Collections.singletonList(targetPackage); 18986 } else { 18987 ipw.println("Unable to find package: " + packageName); 18988 return; 18989 } 18990 } else { 18991 packages = mPackages.values(); 18992 } 18993 18994 for (PackageParser.Package pkg : packages) { 18995 ipw.println("[" + pkg.packageName + "]"); 18996 ipw.increaseIndent(); 18997 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18998 ipw.decreaseIndent(); 18999 } 19000 } 19001 19002 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 19003 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19004 ipw.println(); 19005 ipw.println("Compiler stats:"); 19006 ipw.increaseIndent(); 19007 Collection<PackageParser.Package> packages = null; 19008 if (packageName != null) { 19009 PackageParser.Package targetPackage = mPackages.get(packageName); 19010 if (targetPackage != null) { 19011 packages = Collections.singletonList(targetPackage); 19012 } else { 19013 ipw.println("Unable to find package: " + packageName); 19014 return; 19015 } 19016 } else { 19017 packages = mPackages.values(); 19018 } 19019 19020 for (PackageParser.Package pkg : packages) { 19021 ipw.println("[" + pkg.packageName + "]"); 19022 ipw.increaseIndent(); 19023 19024 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 19025 if (stats == null) { 19026 ipw.println("(No recorded stats)"); 19027 } else { 19028 stats.dump(ipw); 19029 } 19030 ipw.decreaseIndent(); 19031 } 19032 } 19033 19034 private String dumpDomainString(String packageName) { 19035 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 19036 .getList(); 19037 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 19038 19039 ArraySet<String> result = new ArraySet<>(); 19040 if (iviList.size() > 0) { 19041 for (IntentFilterVerificationInfo ivi : iviList) { 19042 for (String host : ivi.getDomains()) { 19043 result.add(host); 19044 } 19045 } 19046 } 19047 if (filters != null && filters.size() > 0) { 19048 for (IntentFilter filter : filters) { 19049 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 19050 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 19051 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 19052 result.addAll(filter.getHostsList()); 19053 } 19054 } 19055 } 19056 19057 StringBuilder sb = new StringBuilder(result.size() * 16); 19058 for (String domain : result) { 19059 if (sb.length() > 0) sb.append(" "); 19060 sb.append(domain); 19061 } 19062 return sb.toString(); 19063 } 19064 19065 // ------- apps on sdcard specific code ------- 19066 static final boolean DEBUG_SD_INSTALL = false; 19067 19068 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 19069 19070 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 19071 19072 private boolean mMediaMounted = false; 19073 19074 static String getEncryptKey() { 19075 try { 19076 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 19077 SD_ENCRYPTION_KEYSTORE_NAME); 19078 if (sdEncKey == null) { 19079 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 19080 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 19081 if (sdEncKey == null) { 19082 Slog.e(TAG, "Failed to create encryption keys"); 19083 return null; 19084 } 19085 } 19086 return sdEncKey; 19087 } catch (NoSuchAlgorithmException nsae) { 19088 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 19089 return null; 19090 } catch (IOException ioe) { 19091 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 19092 return null; 19093 } 19094 } 19095 19096 /* 19097 * Update media status on PackageManager. 19098 */ 19099 @Override 19100 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 19101 int callingUid = Binder.getCallingUid(); 19102 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 19103 throw new SecurityException("Media status can only be updated by the system"); 19104 } 19105 // reader; this apparently protects mMediaMounted, but should probably 19106 // be a different lock in that case. 19107 synchronized (mPackages) { 19108 Log.i(TAG, "Updating external media status from " 19109 + (mMediaMounted ? "mounted" : "unmounted") + " to " 19110 + (mediaStatus ? "mounted" : "unmounted")); 19111 if (DEBUG_SD_INSTALL) 19112 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 19113 + ", mMediaMounted=" + mMediaMounted); 19114 if (mediaStatus == mMediaMounted) { 19115 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 19116 : 0, -1); 19117 mHandler.sendMessage(msg); 19118 return; 19119 } 19120 mMediaMounted = mediaStatus; 19121 } 19122 // Queue up an async operation since the package installation may take a 19123 // little while. 19124 mHandler.post(new Runnable() { 19125 public void run() { 19126 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 19127 } 19128 }); 19129 } 19130 19131 /** 19132 * Called by MountService when the initial ASECs to scan are available. 19133 * Should block until all the ASEC containers are finished being scanned. 19134 */ 19135 public void scanAvailableAsecs() { 19136 updateExternalMediaStatusInner(true, false, false); 19137 } 19138 19139 /* 19140 * Collect information of applications on external media, map them against 19141 * existing containers and update information based on current mount status. 19142 * Please note that we always have to report status if reportStatus has been 19143 * set to true especially when unloading packages. 19144 */ 19145 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 19146 boolean externalStorage) { 19147 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 19148 int[] uidArr = EmptyArray.INT; 19149 19150 final String[] list = PackageHelper.getSecureContainerList(); 19151 if (ArrayUtils.isEmpty(list)) { 19152 Log.i(TAG, "No secure containers found"); 19153 } else { 19154 // Process list of secure containers and categorize them 19155 // as active or stale based on their package internal state. 19156 19157 // reader 19158 synchronized (mPackages) { 19159 for (String cid : list) { 19160 // Leave stages untouched for now; installer service owns them 19161 if (PackageInstallerService.isStageName(cid)) continue; 19162 19163 if (DEBUG_SD_INSTALL) 19164 Log.i(TAG, "Processing container " + cid); 19165 String pkgName = getAsecPackageName(cid); 19166 if (pkgName == null) { 19167 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19168 continue; 19169 } 19170 if (DEBUG_SD_INSTALL) 19171 Log.i(TAG, "Looking for pkg : " + pkgName); 19172 19173 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19174 if (ps == null) { 19175 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19176 continue; 19177 } 19178 19179 /* 19180 * Skip packages that are not external if we're unmounting 19181 * external storage. 19182 */ 19183 if (externalStorage && !isMounted && !isExternal(ps)) { 19184 continue; 19185 } 19186 19187 final AsecInstallArgs args = new AsecInstallArgs(cid, 19188 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19189 // The package status is changed only if the code path 19190 // matches between settings and the container id. 19191 if (ps.codePathString != null 19192 && ps.codePathString.startsWith(args.getCodePath())) { 19193 if (DEBUG_SD_INSTALL) { 19194 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19195 + " at code path: " + ps.codePathString); 19196 } 19197 19198 // We do have a valid package installed on sdcard 19199 processCids.put(args, ps.codePathString); 19200 final int uid = ps.appId; 19201 if (uid != -1) { 19202 uidArr = ArrayUtils.appendInt(uidArr, uid); 19203 } 19204 } else { 19205 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19206 + ps.codePathString); 19207 } 19208 } 19209 } 19210 19211 Arrays.sort(uidArr); 19212 } 19213 19214 // Process packages with valid entries. 19215 if (isMounted) { 19216 if (DEBUG_SD_INSTALL) 19217 Log.i(TAG, "Loading packages"); 19218 loadMediaPackages(processCids, uidArr, externalStorage); 19219 startCleaningPackages(); 19220 mInstallerService.onSecureContainersAvailable(); 19221 } else { 19222 if (DEBUG_SD_INSTALL) 19223 Log.i(TAG, "Unloading packages"); 19224 unloadMediaPackages(processCids, uidArr, reportStatus); 19225 } 19226 } 19227 19228 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19229 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19230 final int size = infos.size(); 19231 final String[] packageNames = new String[size]; 19232 final int[] packageUids = new int[size]; 19233 for (int i = 0; i < size; i++) { 19234 final ApplicationInfo info = infos.get(i); 19235 packageNames[i] = info.packageName; 19236 packageUids[i] = info.uid; 19237 } 19238 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19239 finishedReceiver); 19240 } 19241 19242 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19243 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19244 sendResourcesChangedBroadcast(mediaStatus, replacing, 19245 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19246 } 19247 19248 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19249 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19250 int size = pkgList.length; 19251 if (size > 0) { 19252 // Send broadcasts here 19253 Bundle extras = new Bundle(); 19254 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19255 if (uidArr != null) { 19256 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19257 } 19258 if (replacing) { 19259 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19260 } 19261 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19262 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19263 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19264 } 19265 } 19266 19267 /* 19268 * Look at potentially valid container ids from processCids If package 19269 * information doesn't match the one on record or package scanning fails, 19270 * the cid is added to list of removeCids. We currently don't delete stale 19271 * containers. 19272 */ 19273 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19274 boolean externalStorage) { 19275 ArrayList<String> pkgList = new ArrayList<String>(); 19276 Set<AsecInstallArgs> keys = processCids.keySet(); 19277 19278 for (AsecInstallArgs args : keys) { 19279 String codePath = processCids.get(args); 19280 if (DEBUG_SD_INSTALL) 19281 Log.i(TAG, "Loading container : " + args.cid); 19282 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19283 try { 19284 // Make sure there are no container errors first. 19285 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19286 Slog.e(TAG, "Failed to mount cid : " + args.cid 19287 + " when installing from sdcard"); 19288 continue; 19289 } 19290 // Check code path here. 19291 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19292 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19293 + " does not match one in settings " + codePath); 19294 continue; 19295 } 19296 // Parse package 19297 int parseFlags = mDefParseFlags; 19298 if (args.isExternalAsec()) { 19299 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19300 } 19301 if (args.isFwdLocked()) { 19302 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19303 } 19304 19305 synchronized (mInstallLock) { 19306 PackageParser.Package pkg = null; 19307 try { 19308 // Sadly we don't know the package name yet to freeze it 19309 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19310 SCAN_IGNORE_FROZEN, 0, null); 19311 } catch (PackageManagerException e) { 19312 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19313 } 19314 // Scan the package 19315 if (pkg != null) { 19316 /* 19317 * TODO why is the lock being held? doPostInstall is 19318 * called in other places without the lock. This needs 19319 * to be straightened out. 19320 */ 19321 // writer 19322 synchronized (mPackages) { 19323 retCode = PackageManager.INSTALL_SUCCEEDED; 19324 pkgList.add(pkg.packageName); 19325 // Post process args 19326 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19327 pkg.applicationInfo.uid); 19328 } 19329 } else { 19330 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19331 } 19332 } 19333 19334 } finally { 19335 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19336 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19337 } 19338 } 19339 } 19340 // writer 19341 synchronized (mPackages) { 19342 // If the platform SDK has changed since the last time we booted, 19343 // we need to re-grant app permission to catch any new ones that 19344 // appear. This is really a hack, and means that apps can in some 19345 // cases get permissions that the user didn't initially explicitly 19346 // allow... it would be nice to have some better way to handle 19347 // this situation. 19348 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19349 : mSettings.getInternalVersion(); 19350 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19351 : StorageManager.UUID_PRIVATE_INTERNAL; 19352 19353 int updateFlags = UPDATE_PERMISSIONS_ALL; 19354 if (ver.sdkVersion != mSdkVersion) { 19355 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19356 + mSdkVersion + "; regranting permissions for external"); 19357 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19358 } 19359 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19360 19361 // Yay, everything is now upgraded 19362 ver.forceCurrent(); 19363 19364 // can downgrade to reader 19365 // Persist settings 19366 mSettings.writeLPr(); 19367 } 19368 // Send a broadcast to let everyone know we are done processing 19369 if (pkgList.size() > 0) { 19370 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19371 } 19372 } 19373 19374 /* 19375 * Utility method to unload a list of specified containers 19376 */ 19377 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19378 // Just unmount all valid containers. 19379 for (AsecInstallArgs arg : cidArgs) { 19380 synchronized (mInstallLock) { 19381 arg.doPostDeleteLI(false); 19382 } 19383 } 19384 } 19385 19386 /* 19387 * Unload packages mounted on external media. This involves deleting package 19388 * data from internal structures, sending broadcasts about disabled packages, 19389 * gc'ing to free up references, unmounting all secure containers 19390 * corresponding to packages on external media, and posting a 19391 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19392 * that we always have to post this message if status has been requested no 19393 * matter what. 19394 */ 19395 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19396 final boolean reportStatus) { 19397 if (DEBUG_SD_INSTALL) 19398 Log.i(TAG, "unloading media packages"); 19399 ArrayList<String> pkgList = new ArrayList<String>(); 19400 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19401 final Set<AsecInstallArgs> keys = processCids.keySet(); 19402 for (AsecInstallArgs args : keys) { 19403 String pkgName = args.getPackageName(); 19404 if (DEBUG_SD_INSTALL) 19405 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19406 // Delete package internally 19407 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19408 synchronized (mInstallLock) { 19409 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19410 final boolean res; 19411 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19412 "unloadMediaPackages")) { 19413 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19414 null); 19415 } 19416 if (res) { 19417 pkgList.add(pkgName); 19418 } else { 19419 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19420 failedList.add(args); 19421 } 19422 } 19423 } 19424 19425 // reader 19426 synchronized (mPackages) { 19427 // We didn't update the settings after removing each package; 19428 // write them now for all packages. 19429 mSettings.writeLPr(); 19430 } 19431 19432 // We have to absolutely send UPDATED_MEDIA_STATUS only 19433 // after confirming that all the receivers processed the ordered 19434 // broadcast when packages get disabled, force a gc to clean things up. 19435 // and unload all the containers. 19436 if (pkgList.size() > 0) { 19437 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19438 new IIntentReceiver.Stub() { 19439 public void performReceive(Intent intent, int resultCode, String data, 19440 Bundle extras, boolean ordered, boolean sticky, 19441 int sendingUser) throws RemoteException { 19442 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19443 reportStatus ? 1 : 0, 1, keys); 19444 mHandler.sendMessage(msg); 19445 } 19446 }); 19447 } else { 19448 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19449 keys); 19450 mHandler.sendMessage(msg); 19451 } 19452 } 19453 19454 private void loadPrivatePackages(final VolumeInfo vol) { 19455 mHandler.post(new Runnable() { 19456 @Override 19457 public void run() { 19458 loadPrivatePackagesInner(vol); 19459 } 19460 }); 19461 } 19462 19463 private void loadPrivatePackagesInner(VolumeInfo vol) { 19464 final String volumeUuid = vol.fsUuid; 19465 if (TextUtils.isEmpty(volumeUuid)) { 19466 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19467 return; 19468 } 19469 19470 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19471 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19472 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19473 19474 final VersionInfo ver; 19475 final List<PackageSetting> packages; 19476 synchronized (mPackages) { 19477 ver = mSettings.findOrCreateVersion(volumeUuid); 19478 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19479 } 19480 19481 for (PackageSetting ps : packages) { 19482 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19483 synchronized (mInstallLock) { 19484 final PackageParser.Package pkg; 19485 try { 19486 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19487 loaded.add(pkg.applicationInfo); 19488 19489 } catch (PackageManagerException e) { 19490 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19491 } 19492 19493 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19494 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19495 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19496 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19497 } 19498 } 19499 } 19500 19501 // Reconcile app data for all started/unlocked users 19502 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19503 final UserManager um = mContext.getSystemService(UserManager.class); 19504 UserManagerInternal umInternal = getUserManagerInternal(); 19505 for (UserInfo user : um.getUsers()) { 19506 final int flags; 19507 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19508 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19509 } else if (umInternal.isUserRunning(user.id)) { 19510 flags = StorageManager.FLAG_STORAGE_DE; 19511 } else { 19512 continue; 19513 } 19514 19515 try { 19516 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19517 synchronized (mInstallLock) { 19518 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 19519 } 19520 } catch (IllegalStateException e) { 19521 // Device was probably ejected, and we'll process that event momentarily 19522 Slog.w(TAG, "Failed to prepare storage: " + e); 19523 } 19524 } 19525 19526 synchronized (mPackages) { 19527 int updateFlags = UPDATE_PERMISSIONS_ALL; 19528 if (ver.sdkVersion != mSdkVersion) { 19529 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19530 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19531 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19532 } 19533 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19534 19535 // Yay, everything is now upgraded 19536 ver.forceCurrent(); 19537 19538 mSettings.writeLPr(); 19539 } 19540 19541 for (PackageFreezer freezer : freezers) { 19542 freezer.close(); 19543 } 19544 19545 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19546 sendResourcesChangedBroadcast(true, false, loaded, null); 19547 } 19548 19549 private void unloadPrivatePackages(final VolumeInfo vol) { 19550 mHandler.post(new Runnable() { 19551 @Override 19552 public void run() { 19553 unloadPrivatePackagesInner(vol); 19554 } 19555 }); 19556 } 19557 19558 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19559 final String volumeUuid = vol.fsUuid; 19560 if (TextUtils.isEmpty(volumeUuid)) { 19561 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19562 return; 19563 } 19564 19565 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19566 synchronized (mInstallLock) { 19567 synchronized (mPackages) { 19568 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19569 for (PackageSetting ps : packages) { 19570 if (ps.pkg == null) continue; 19571 19572 final ApplicationInfo info = ps.pkg.applicationInfo; 19573 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19574 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19575 19576 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19577 "unloadPrivatePackagesInner")) { 19578 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19579 false, null)) { 19580 unloaded.add(info); 19581 } else { 19582 Slog.w(TAG, "Failed to unload " + ps.codePath); 19583 } 19584 } 19585 19586 // Try very hard to release any references to this package 19587 // so we don't risk the system server being killed due to 19588 // open FDs 19589 AttributeCache.instance().removePackage(ps.name); 19590 } 19591 19592 mSettings.writeLPr(); 19593 } 19594 } 19595 19596 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19597 sendResourcesChangedBroadcast(false, false, unloaded, null); 19598 19599 // Try very hard to release any references to this path so we don't risk 19600 // the system server being killed due to open FDs 19601 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19602 19603 for (int i = 0; i < 3; i++) { 19604 System.gc(); 19605 System.runFinalization(); 19606 } 19607 } 19608 19609 /** 19610 * Prepare storage areas for given user on all mounted devices. 19611 */ 19612 void prepareUserData(int userId, int userSerial, int flags) { 19613 synchronized (mInstallLock) { 19614 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19615 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19616 final String volumeUuid = vol.getFsUuid(); 19617 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19618 } 19619 } 19620 } 19621 19622 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19623 boolean allowRecover) { 19624 // Prepare storage and verify that serial numbers are consistent; if 19625 // there's a mismatch we need to destroy to avoid leaking data 19626 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19627 try { 19628 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19629 19630 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19631 UserManagerService.enforceSerialNumber( 19632 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19633 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19634 UserManagerService.enforceSerialNumber( 19635 Environment.getDataSystemDeDirectory(userId), userSerial); 19636 } 19637 } 19638 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19639 UserManagerService.enforceSerialNumber( 19640 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19641 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19642 UserManagerService.enforceSerialNumber( 19643 Environment.getDataSystemCeDirectory(userId), userSerial); 19644 } 19645 } 19646 19647 synchronized (mInstallLock) { 19648 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19649 } 19650 } catch (Exception e) { 19651 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19652 + " because we failed to prepare: " + e); 19653 destroyUserDataLI(volumeUuid, userId, 19654 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19655 19656 if (allowRecover) { 19657 // Try one last time; if we fail again we're really in trouble 19658 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19659 } 19660 } 19661 } 19662 19663 /** 19664 * Destroy storage areas for given user on all mounted devices. 19665 */ 19666 void destroyUserData(int userId, int flags) { 19667 synchronized (mInstallLock) { 19668 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19669 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19670 final String volumeUuid = vol.getFsUuid(); 19671 destroyUserDataLI(volumeUuid, userId, flags); 19672 } 19673 } 19674 } 19675 19676 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19677 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19678 try { 19679 // Clean up app data, profile data, and media data 19680 mInstaller.destroyUserData(volumeUuid, userId, flags); 19681 19682 // Clean up system data 19683 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19684 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19685 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19686 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19687 } 19688 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19689 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19690 } 19691 } 19692 19693 // Data with special labels is now gone, so finish the job 19694 storage.destroyUserStorage(volumeUuid, userId, flags); 19695 19696 } catch (Exception e) { 19697 logCriticalInfo(Log.WARN, 19698 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19699 } 19700 } 19701 19702 /** 19703 * Examine all users present on given mounted volume, and destroy data 19704 * belonging to users that are no longer valid, or whose user ID has been 19705 * recycled. 19706 */ 19707 private void reconcileUsers(String volumeUuid) { 19708 final List<File> files = new ArrayList<>(); 19709 Collections.addAll(files, FileUtils 19710 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19711 Collections.addAll(files, FileUtils 19712 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19713 Collections.addAll(files, FileUtils 19714 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19715 Collections.addAll(files, FileUtils 19716 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19717 for (File file : files) { 19718 if (!file.isDirectory()) continue; 19719 19720 final int userId; 19721 final UserInfo info; 19722 try { 19723 userId = Integer.parseInt(file.getName()); 19724 info = sUserManager.getUserInfo(userId); 19725 } catch (NumberFormatException e) { 19726 Slog.w(TAG, "Invalid user directory " + file); 19727 continue; 19728 } 19729 19730 boolean destroyUser = false; 19731 if (info == null) { 19732 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19733 + " because no matching user was found"); 19734 destroyUser = true; 19735 } else if (!mOnlyCore) { 19736 try { 19737 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19738 } catch (IOException e) { 19739 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19740 + " because we failed to enforce serial number: " + e); 19741 destroyUser = true; 19742 } 19743 } 19744 19745 if (destroyUser) { 19746 synchronized (mInstallLock) { 19747 destroyUserDataLI(volumeUuid, userId, 19748 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19749 } 19750 } 19751 } 19752 } 19753 19754 private void assertPackageKnown(String volumeUuid, String packageName) 19755 throws PackageManagerException { 19756 synchronized (mPackages) { 19757 final PackageSetting ps = mSettings.mPackages.get(packageName); 19758 if (ps == null) { 19759 throw new PackageManagerException("Package " + packageName + " is unknown"); 19760 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19761 throw new PackageManagerException( 19762 "Package " + packageName + " found on unknown volume " + volumeUuid 19763 + "; expected volume " + ps.volumeUuid); 19764 } 19765 } 19766 } 19767 19768 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19769 throws PackageManagerException { 19770 synchronized (mPackages) { 19771 final PackageSetting ps = mSettings.mPackages.get(packageName); 19772 if (ps == null) { 19773 throw new PackageManagerException("Package " + packageName + " is unknown"); 19774 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19775 throw new PackageManagerException( 19776 "Package " + packageName + " found on unknown volume " + volumeUuid 19777 + "; expected volume " + ps.volumeUuid); 19778 } else if (!ps.getInstalled(userId)) { 19779 throw new PackageManagerException( 19780 "Package " + packageName + " not installed for user " + userId); 19781 } 19782 } 19783 } 19784 19785 /** 19786 * Examine all apps present on given mounted volume, and destroy apps that 19787 * aren't expected, either due to uninstallation or reinstallation on 19788 * another volume. 19789 */ 19790 private void reconcileApps(String volumeUuid) { 19791 final File[] files = FileUtils 19792 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19793 for (File file : files) { 19794 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19795 && !PackageInstallerService.isStageName(file.getName()); 19796 if (!isPackage) { 19797 // Ignore entries which are not packages 19798 continue; 19799 } 19800 19801 try { 19802 final PackageLite pkg = PackageParser.parsePackageLite(file, 19803 PackageParser.PARSE_MUST_BE_APK); 19804 assertPackageKnown(volumeUuid, pkg.packageName); 19805 19806 } catch (PackageParserException | PackageManagerException e) { 19807 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19808 synchronized (mInstallLock) { 19809 removeCodePathLI(file); 19810 } 19811 } 19812 } 19813 } 19814 19815 /** 19816 * Reconcile all app data for the given user. 19817 * <p> 19818 * Verifies that directories exist and that ownership and labeling is 19819 * correct for all installed apps on all mounted volumes. 19820 */ 19821 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 19822 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19823 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19824 final String volumeUuid = vol.getFsUuid(); 19825 synchronized (mInstallLock) { 19826 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 19827 } 19828 } 19829 } 19830 19831 /** 19832 * Reconcile all app data on given mounted volume. 19833 * <p> 19834 * Destroys app data that isn't expected, either due to uninstallation or 19835 * reinstallation on another volume. 19836 * <p> 19837 * Verifies that directories exist and that ownership and labeling is 19838 * correct for all installed apps. 19839 */ 19840 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 19841 boolean migrateAppData) { 19842 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19843 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 19844 19845 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19846 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19847 19848 boolean restoreconNeeded = false; 19849 19850 // First look for stale data that doesn't belong, and check if things 19851 // have changed since we did our last restorecon 19852 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19853 if (StorageManager.isFileEncryptedNativeOrEmulated() 19854 && !StorageManager.isUserKeyUnlocked(userId)) { 19855 throw new RuntimeException( 19856 "Yikes, someone asked us to reconcile CE storage while " + userId 19857 + " was still locked; this would have caused massive data loss!"); 19858 } 19859 19860 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19861 19862 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19863 for (File file : files) { 19864 final String packageName = file.getName(); 19865 try { 19866 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19867 } catch (PackageManagerException e) { 19868 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19869 try { 19870 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19871 StorageManager.FLAG_STORAGE_CE, 0); 19872 } catch (InstallerException e2) { 19873 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19874 } 19875 } 19876 } 19877 } 19878 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19879 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19880 19881 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19882 for (File file : files) { 19883 final String packageName = file.getName(); 19884 try { 19885 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19886 } catch (PackageManagerException e) { 19887 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19888 try { 19889 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19890 StorageManager.FLAG_STORAGE_DE, 0); 19891 } catch (InstallerException e2) { 19892 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19893 } 19894 } 19895 } 19896 } 19897 19898 // Ensure that data directories are ready to roll for all packages 19899 // installed for this volume and user 19900 final List<PackageSetting> packages; 19901 synchronized (mPackages) { 19902 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19903 } 19904 int preparedCount = 0; 19905 for (PackageSetting ps : packages) { 19906 final String packageName = ps.name; 19907 if (ps.pkg == null) { 19908 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19909 // TODO: might be due to legacy ASEC apps; we should circle back 19910 // and reconcile again once they're scanned 19911 continue; 19912 } 19913 19914 if (ps.getInstalled(userId)) { 19915 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19916 19917 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 19918 // We may have just shuffled around app data directories, so 19919 // prepare them one more time 19920 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19921 } 19922 19923 preparedCount++; 19924 } 19925 } 19926 19927 if (restoreconNeeded) { 19928 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19929 SELinuxMMAC.setRestoreconDone(ceDir); 19930 } 19931 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19932 SELinuxMMAC.setRestoreconDone(deDir); 19933 } 19934 } 19935 19936 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19937 + " packages; restoreconNeeded was " + restoreconNeeded); 19938 } 19939 19940 /** 19941 * Prepare app data for the given app just after it was installed or 19942 * upgraded. This method carefully only touches users that it's installed 19943 * for, and it forces a restorecon to handle any seinfo changes. 19944 * <p> 19945 * Verifies that directories exist and that ownership and labeling is 19946 * correct for all installed apps. If there is an ownership mismatch, it 19947 * will try recovering system apps by wiping data; third-party app data is 19948 * left intact. 19949 * <p> 19950 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19951 */ 19952 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19953 final PackageSetting ps; 19954 synchronized (mPackages) { 19955 ps = mSettings.mPackages.get(pkg.packageName); 19956 mSettings.writeKernelMappingLPr(ps); 19957 } 19958 19959 final UserManager um = mContext.getSystemService(UserManager.class); 19960 UserManagerInternal umInternal = getUserManagerInternal(); 19961 for (UserInfo user : um.getUsers()) { 19962 final int flags; 19963 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19964 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19965 } else if (umInternal.isUserRunning(user.id)) { 19966 flags = StorageManager.FLAG_STORAGE_DE; 19967 } else { 19968 continue; 19969 } 19970 19971 if (ps.getInstalled(user.id)) { 19972 // Whenever an app changes, force a restorecon of its data 19973 // TODO: when user data is locked, mark that we're still dirty 19974 prepareAppDataLIF(pkg, user.id, flags, true); 19975 } 19976 } 19977 } 19978 19979 /** 19980 * Prepare app data for the given app. 19981 * <p> 19982 * Verifies that directories exist and that ownership and labeling is 19983 * correct for all installed apps. If there is an ownership mismatch, this 19984 * will try recovering system apps by wiping data; third-party app data is 19985 * left intact. 19986 */ 19987 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19988 boolean restoreconNeeded) { 19989 if (pkg == null) { 19990 Slog.wtf(TAG, "Package was null!", new Throwable()); 19991 return; 19992 } 19993 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19994 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19995 for (int i = 0; i < childCount; i++) { 19996 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19997 } 19998 } 19999 20000 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 20001 boolean restoreconNeeded) { 20002 if (DEBUG_APP_DATA) { 20003 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 20004 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 20005 } 20006 20007 final String volumeUuid = pkg.volumeUuid; 20008 final String packageName = pkg.packageName; 20009 final ApplicationInfo app = pkg.applicationInfo; 20010 final int appId = UserHandle.getAppId(app.uid); 20011 20012 Preconditions.checkNotNull(app.seinfo); 20013 20014 try { 20015 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20016 appId, app.seinfo, app.targetSdkVersion); 20017 } catch (InstallerException e) { 20018 if (app.isSystemApp()) { 20019 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 20020 + ", but trying to recover: " + e); 20021 destroyAppDataLeafLIF(pkg, userId, flags); 20022 try { 20023 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20024 appId, app.seinfo, app.targetSdkVersion); 20025 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 20026 } catch (InstallerException e2) { 20027 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 20028 } 20029 } else { 20030 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 20031 } 20032 } 20033 20034 if (restoreconNeeded) { 20035 try { 20036 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 20037 app.seinfo); 20038 } catch (InstallerException e) { 20039 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 20040 } 20041 } 20042 20043 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20044 try { 20045 // CE storage is unlocked right now, so read out the inode and 20046 // remember for use later when it's locked 20047 // TODO: mark this structure as dirty so we persist it! 20048 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 20049 StorageManager.FLAG_STORAGE_CE); 20050 synchronized (mPackages) { 20051 final PackageSetting ps = mSettings.mPackages.get(packageName); 20052 if (ps != null) { 20053 ps.setCeDataInode(ceDataInode, userId); 20054 } 20055 } 20056 } catch (InstallerException e) { 20057 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 20058 } 20059 } 20060 20061 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20062 } 20063 20064 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 20065 if (pkg == null) { 20066 Slog.wtf(TAG, "Package was null!", new Throwable()); 20067 return; 20068 } 20069 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20070 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20071 for (int i = 0; i < childCount; i++) { 20072 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 20073 } 20074 } 20075 20076 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20077 final String volumeUuid = pkg.volumeUuid; 20078 final String packageName = pkg.packageName; 20079 final ApplicationInfo app = pkg.applicationInfo; 20080 20081 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20082 // Create a native library symlink only if we have native libraries 20083 // and if the native libraries are 32 bit libraries. We do not provide 20084 // this symlink for 64 bit libraries. 20085 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 20086 final String nativeLibPath = app.nativeLibraryDir; 20087 try { 20088 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 20089 nativeLibPath, userId); 20090 } catch (InstallerException e) { 20091 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 20092 } 20093 } 20094 } 20095 } 20096 20097 /** 20098 * For system apps on non-FBE devices, this method migrates any existing 20099 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 20100 * requested by the app. 20101 */ 20102 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 20103 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 20104 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 20105 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 20106 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 20107 try { 20108 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 20109 storageTarget); 20110 } catch (InstallerException e) { 20111 logCriticalInfo(Log.WARN, 20112 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 20113 } 20114 return true; 20115 } else { 20116 return false; 20117 } 20118 } 20119 20120 public PackageFreezer freezePackage(String packageName, String killReason) { 20121 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 20122 } 20123 20124 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 20125 return new PackageFreezer(packageName, userId, killReason); 20126 } 20127 20128 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 20129 String killReason) { 20130 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 20131 } 20132 20133 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 20134 String killReason) { 20135 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 20136 return new PackageFreezer(); 20137 } else { 20138 return freezePackage(packageName, userId, killReason); 20139 } 20140 } 20141 20142 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 20143 String killReason) { 20144 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 20145 } 20146 20147 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 20148 String killReason) { 20149 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 20150 return new PackageFreezer(); 20151 } else { 20152 return freezePackage(packageName, userId, killReason); 20153 } 20154 } 20155 20156 /** 20157 * Class that freezes and kills the given package upon creation, and 20158 * unfreezes it upon closing. This is typically used when doing surgery on 20159 * app code/data to prevent the app from running while you're working. 20160 */ 20161 private class PackageFreezer implements AutoCloseable { 20162 private final String mPackageName; 20163 private final PackageFreezer[] mChildren; 20164 20165 private final boolean mWeFroze; 20166 20167 private final AtomicBoolean mClosed = new AtomicBoolean(); 20168 private final CloseGuard mCloseGuard = CloseGuard.get(); 20169 20170 /** 20171 * Create and return a stub freezer that doesn't actually do anything, 20172 * typically used when someone requested 20173 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20174 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20175 */ 20176 public PackageFreezer() { 20177 mPackageName = null; 20178 mChildren = null; 20179 mWeFroze = false; 20180 mCloseGuard.open("close"); 20181 } 20182 20183 public PackageFreezer(String packageName, int userId, String killReason) { 20184 synchronized (mPackages) { 20185 mPackageName = packageName; 20186 mWeFroze = mFrozenPackages.add(mPackageName); 20187 20188 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20189 if (ps != null) { 20190 killApplication(ps.name, ps.appId, userId, killReason); 20191 } 20192 20193 final PackageParser.Package p = mPackages.get(packageName); 20194 if (p != null && p.childPackages != null) { 20195 final int N = p.childPackages.size(); 20196 mChildren = new PackageFreezer[N]; 20197 for (int i = 0; i < N; i++) { 20198 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20199 userId, killReason); 20200 } 20201 } else { 20202 mChildren = null; 20203 } 20204 } 20205 mCloseGuard.open("close"); 20206 } 20207 20208 @Override 20209 protected void finalize() throws Throwable { 20210 try { 20211 mCloseGuard.warnIfOpen(); 20212 close(); 20213 } finally { 20214 super.finalize(); 20215 } 20216 } 20217 20218 @Override 20219 public void close() { 20220 mCloseGuard.close(); 20221 if (mClosed.compareAndSet(false, true)) { 20222 synchronized (mPackages) { 20223 if (mWeFroze) { 20224 mFrozenPackages.remove(mPackageName); 20225 } 20226 20227 if (mChildren != null) { 20228 for (PackageFreezer freezer : mChildren) { 20229 freezer.close(); 20230 } 20231 } 20232 } 20233 } 20234 } 20235 } 20236 20237 /** 20238 * Verify that given package is currently frozen. 20239 */ 20240 private void checkPackageFrozen(String packageName) { 20241 synchronized (mPackages) { 20242 if (!mFrozenPackages.contains(packageName)) { 20243 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20244 } 20245 } 20246 } 20247 20248 @Override 20249 public int movePackage(final String packageName, final String volumeUuid) { 20250 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20251 20252 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20253 final int moveId = mNextMoveId.getAndIncrement(); 20254 mHandler.post(new Runnable() { 20255 @Override 20256 public void run() { 20257 try { 20258 movePackageInternal(packageName, volumeUuid, moveId, user); 20259 } catch (PackageManagerException e) { 20260 Slog.w(TAG, "Failed to move " + packageName, e); 20261 mMoveCallbacks.notifyStatusChanged(moveId, 20262 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20263 } 20264 } 20265 }); 20266 return moveId; 20267 } 20268 20269 private void movePackageInternal(final String packageName, final String volumeUuid, 20270 final int moveId, UserHandle user) throws PackageManagerException { 20271 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20272 final PackageManager pm = mContext.getPackageManager(); 20273 20274 final boolean currentAsec; 20275 final String currentVolumeUuid; 20276 final File codeFile; 20277 final String installerPackageName; 20278 final String packageAbiOverride; 20279 final int appId; 20280 final String seinfo; 20281 final String label; 20282 final int targetSdkVersion; 20283 final PackageFreezer freezer; 20284 final int[] installedUserIds; 20285 20286 // reader 20287 synchronized (mPackages) { 20288 final PackageParser.Package pkg = mPackages.get(packageName); 20289 final PackageSetting ps = mSettings.mPackages.get(packageName); 20290 if (pkg == null || ps == null) { 20291 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20292 } 20293 20294 if (pkg.applicationInfo.isSystemApp()) { 20295 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20296 "Cannot move system application"); 20297 } 20298 20299 if (pkg.applicationInfo.isExternalAsec()) { 20300 currentAsec = true; 20301 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20302 } else if (pkg.applicationInfo.isForwardLocked()) { 20303 currentAsec = true; 20304 currentVolumeUuid = "forward_locked"; 20305 } else { 20306 currentAsec = false; 20307 currentVolumeUuid = ps.volumeUuid; 20308 20309 final File probe = new File(pkg.codePath); 20310 final File probeOat = new File(probe, "oat"); 20311 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20312 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20313 "Move only supported for modern cluster style installs"); 20314 } 20315 } 20316 20317 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20318 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20319 "Package already moved to " + volumeUuid); 20320 } 20321 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20322 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20323 "Device admin cannot be moved"); 20324 } 20325 20326 if (mFrozenPackages.contains(packageName)) { 20327 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20328 "Failed to move already frozen package"); 20329 } 20330 20331 codeFile = new File(pkg.codePath); 20332 installerPackageName = ps.installerPackageName; 20333 packageAbiOverride = ps.cpuAbiOverrideString; 20334 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20335 seinfo = pkg.applicationInfo.seinfo; 20336 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20337 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20338 freezer = freezePackage(packageName, "movePackageInternal"); 20339 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20340 } 20341 20342 final Bundle extras = new Bundle(); 20343 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20344 extras.putString(Intent.EXTRA_TITLE, label); 20345 mMoveCallbacks.notifyCreated(moveId, extras); 20346 20347 int installFlags; 20348 final boolean moveCompleteApp; 20349 final File measurePath; 20350 20351 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20352 installFlags = INSTALL_INTERNAL; 20353 moveCompleteApp = !currentAsec; 20354 measurePath = Environment.getDataAppDirectory(volumeUuid); 20355 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20356 installFlags = INSTALL_EXTERNAL; 20357 moveCompleteApp = false; 20358 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20359 } else { 20360 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20361 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20362 || !volume.isMountedWritable()) { 20363 freezer.close(); 20364 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20365 "Move location not mounted private volume"); 20366 } 20367 20368 Preconditions.checkState(!currentAsec); 20369 20370 installFlags = INSTALL_INTERNAL; 20371 moveCompleteApp = true; 20372 measurePath = Environment.getDataAppDirectory(volumeUuid); 20373 } 20374 20375 final PackageStats stats = new PackageStats(null, -1); 20376 synchronized (mInstaller) { 20377 for (int userId : installedUserIds) { 20378 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20379 freezer.close(); 20380 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20381 "Failed to measure package size"); 20382 } 20383 } 20384 } 20385 20386 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20387 + stats.dataSize); 20388 20389 final long startFreeBytes = measurePath.getFreeSpace(); 20390 final long sizeBytes; 20391 if (moveCompleteApp) { 20392 sizeBytes = stats.codeSize + stats.dataSize; 20393 } else { 20394 sizeBytes = stats.codeSize; 20395 } 20396 20397 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20398 freezer.close(); 20399 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20400 "Not enough free space to move"); 20401 } 20402 20403 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20404 20405 final CountDownLatch installedLatch = new CountDownLatch(1); 20406 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20407 @Override 20408 public void onUserActionRequired(Intent intent) throws RemoteException { 20409 throw new IllegalStateException(); 20410 } 20411 20412 @Override 20413 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20414 Bundle extras) throws RemoteException { 20415 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20416 + PackageManager.installStatusToString(returnCode, msg)); 20417 20418 installedLatch.countDown(); 20419 freezer.close(); 20420 20421 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20422 switch (status) { 20423 case PackageInstaller.STATUS_SUCCESS: 20424 mMoveCallbacks.notifyStatusChanged(moveId, 20425 PackageManager.MOVE_SUCCEEDED); 20426 break; 20427 case PackageInstaller.STATUS_FAILURE_STORAGE: 20428 mMoveCallbacks.notifyStatusChanged(moveId, 20429 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20430 break; 20431 default: 20432 mMoveCallbacks.notifyStatusChanged(moveId, 20433 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20434 break; 20435 } 20436 } 20437 }; 20438 20439 final MoveInfo move; 20440 if (moveCompleteApp) { 20441 // Kick off a thread to report progress estimates 20442 new Thread() { 20443 @Override 20444 public void run() { 20445 while (true) { 20446 try { 20447 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20448 break; 20449 } 20450 } catch (InterruptedException ignored) { 20451 } 20452 20453 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20454 final int progress = 10 + (int) MathUtils.constrain( 20455 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20456 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20457 } 20458 } 20459 }.start(); 20460 20461 final String dataAppName = codeFile.getName(); 20462 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20463 dataAppName, appId, seinfo, targetSdkVersion); 20464 } else { 20465 move = null; 20466 } 20467 20468 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20469 20470 final Message msg = mHandler.obtainMessage(INIT_COPY); 20471 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20472 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20473 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20474 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20475 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20476 msg.obj = params; 20477 20478 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20479 System.identityHashCode(msg.obj)); 20480 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20481 System.identityHashCode(msg.obj)); 20482 20483 mHandler.sendMessage(msg); 20484 } 20485 20486 @Override 20487 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20488 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20489 20490 final int realMoveId = mNextMoveId.getAndIncrement(); 20491 final Bundle extras = new Bundle(); 20492 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20493 mMoveCallbacks.notifyCreated(realMoveId, extras); 20494 20495 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20496 @Override 20497 public void onCreated(int moveId, Bundle extras) { 20498 // Ignored 20499 } 20500 20501 @Override 20502 public void onStatusChanged(int moveId, int status, long estMillis) { 20503 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20504 } 20505 }; 20506 20507 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20508 storage.setPrimaryStorageUuid(volumeUuid, callback); 20509 return realMoveId; 20510 } 20511 20512 @Override 20513 public int getMoveStatus(int moveId) { 20514 mContext.enforceCallingOrSelfPermission( 20515 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20516 return mMoveCallbacks.mLastStatus.get(moveId); 20517 } 20518 20519 @Override 20520 public void registerMoveCallback(IPackageMoveObserver callback) { 20521 mContext.enforceCallingOrSelfPermission( 20522 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20523 mMoveCallbacks.register(callback); 20524 } 20525 20526 @Override 20527 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20528 mContext.enforceCallingOrSelfPermission( 20529 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20530 mMoveCallbacks.unregister(callback); 20531 } 20532 20533 @Override 20534 public boolean setInstallLocation(int loc) { 20535 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20536 null); 20537 if (getInstallLocation() == loc) { 20538 return true; 20539 } 20540 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20541 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20542 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20543 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20544 return true; 20545 } 20546 return false; 20547 } 20548 20549 @Override 20550 public int getInstallLocation() { 20551 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20552 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20553 PackageHelper.APP_INSTALL_AUTO); 20554 } 20555 20556 /** Called by UserManagerService */ 20557 void cleanUpUser(UserManagerService userManager, int userHandle) { 20558 synchronized (mPackages) { 20559 mDirtyUsers.remove(userHandle); 20560 mUserNeedsBadging.delete(userHandle); 20561 mSettings.removeUserLPw(userHandle); 20562 mPendingBroadcasts.remove(userHandle); 20563 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20564 removeUnusedPackagesLPw(userManager, userHandle); 20565 } 20566 } 20567 20568 /** 20569 * We're removing userHandle and would like to remove any downloaded packages 20570 * that are no longer in use by any other user. 20571 * @param userHandle the user being removed 20572 */ 20573 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20574 final boolean DEBUG_CLEAN_APKS = false; 20575 int [] users = userManager.getUserIds(); 20576 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20577 while (psit.hasNext()) { 20578 PackageSetting ps = psit.next(); 20579 if (ps.pkg == null) { 20580 continue; 20581 } 20582 final String packageName = ps.pkg.packageName; 20583 // Skip over if system app 20584 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20585 continue; 20586 } 20587 if (DEBUG_CLEAN_APKS) { 20588 Slog.i(TAG, "Checking package " + packageName); 20589 } 20590 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20591 if (keep) { 20592 if (DEBUG_CLEAN_APKS) { 20593 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20594 } 20595 } else { 20596 for (int i = 0; i < users.length; i++) { 20597 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20598 keep = true; 20599 if (DEBUG_CLEAN_APKS) { 20600 Slog.i(TAG, " Keeping package " + packageName + " for user " 20601 + users[i]); 20602 } 20603 break; 20604 } 20605 } 20606 } 20607 if (!keep) { 20608 if (DEBUG_CLEAN_APKS) { 20609 Slog.i(TAG, " Removing package " + packageName); 20610 } 20611 mHandler.post(new Runnable() { 20612 public void run() { 20613 deletePackageX(packageName, userHandle, 0); 20614 } //end run 20615 }); 20616 } 20617 } 20618 } 20619 20620 /** Called by UserManagerService */ 20621 void createNewUser(int userId) { 20622 synchronized (mInstallLock) { 20623 mSettings.createNewUserLI(this, mInstaller, userId); 20624 } 20625 synchronized (mPackages) { 20626 scheduleWritePackageRestrictionsLocked(userId); 20627 scheduleWritePackageListLocked(userId); 20628 applyFactoryDefaultBrowserLPw(userId); 20629 primeDomainVerificationsLPw(userId); 20630 } 20631 } 20632 20633 void onNewUserCreated(final int userId) { 20634 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20635 // If permission review for legacy apps is required, we represent 20636 // dagerous permissions for such apps as always granted runtime 20637 // permissions to keep per user flag state whether review is needed. 20638 // Hence, if a new user is added we have to propagate dangerous 20639 // permission grants for these legacy apps. 20640 if (mPermissionReviewRequired) { 20641 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20642 | UPDATE_PERMISSIONS_REPLACE_ALL); 20643 } 20644 } 20645 20646 @Override 20647 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20648 mContext.enforceCallingOrSelfPermission( 20649 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20650 "Only package verification agents can read the verifier device identity"); 20651 20652 synchronized (mPackages) { 20653 return mSettings.getVerifierDeviceIdentityLPw(); 20654 } 20655 } 20656 20657 @Override 20658 public void setPermissionEnforced(String permission, boolean enforced) { 20659 // TODO: Now that we no longer change GID for storage, this should to away. 20660 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20661 "setPermissionEnforced"); 20662 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20663 synchronized (mPackages) { 20664 if (mSettings.mReadExternalStorageEnforced == null 20665 || mSettings.mReadExternalStorageEnforced != enforced) { 20666 mSettings.mReadExternalStorageEnforced = enforced; 20667 mSettings.writeLPr(); 20668 } 20669 } 20670 // kill any non-foreground processes so we restart them and 20671 // grant/revoke the GID. 20672 final IActivityManager am = ActivityManagerNative.getDefault(); 20673 if (am != null) { 20674 final long token = Binder.clearCallingIdentity(); 20675 try { 20676 am.killProcessesBelowForeground("setPermissionEnforcement"); 20677 } catch (RemoteException e) { 20678 } finally { 20679 Binder.restoreCallingIdentity(token); 20680 } 20681 } 20682 } else { 20683 throw new IllegalArgumentException("No selective enforcement for " + permission); 20684 } 20685 } 20686 20687 @Override 20688 @Deprecated 20689 public boolean isPermissionEnforced(String permission) { 20690 return true; 20691 } 20692 20693 @Override 20694 public boolean isStorageLow() { 20695 final long token = Binder.clearCallingIdentity(); 20696 try { 20697 final DeviceStorageMonitorInternal 20698 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20699 if (dsm != null) { 20700 return dsm.isMemoryLow(); 20701 } else { 20702 return false; 20703 } 20704 } finally { 20705 Binder.restoreCallingIdentity(token); 20706 } 20707 } 20708 20709 @Override 20710 public IPackageInstaller getPackageInstaller() { 20711 return mInstallerService; 20712 } 20713 20714 private boolean userNeedsBadging(int userId) { 20715 int index = mUserNeedsBadging.indexOfKey(userId); 20716 if (index < 0) { 20717 final UserInfo userInfo; 20718 final long token = Binder.clearCallingIdentity(); 20719 try { 20720 userInfo = sUserManager.getUserInfo(userId); 20721 } finally { 20722 Binder.restoreCallingIdentity(token); 20723 } 20724 final boolean b; 20725 if (userInfo != null && userInfo.isManagedProfile()) { 20726 b = true; 20727 } else { 20728 b = false; 20729 } 20730 mUserNeedsBadging.put(userId, b); 20731 return b; 20732 } 20733 return mUserNeedsBadging.valueAt(index); 20734 } 20735 20736 @Override 20737 public KeySet getKeySetByAlias(String packageName, String alias) { 20738 if (packageName == null || alias == null) { 20739 return null; 20740 } 20741 synchronized(mPackages) { 20742 final PackageParser.Package pkg = mPackages.get(packageName); 20743 if (pkg == null) { 20744 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20745 throw new IllegalArgumentException("Unknown package: " + packageName); 20746 } 20747 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20748 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20749 } 20750 } 20751 20752 @Override 20753 public KeySet getSigningKeySet(String packageName) { 20754 if (packageName == null) { 20755 return null; 20756 } 20757 synchronized(mPackages) { 20758 final PackageParser.Package pkg = mPackages.get(packageName); 20759 if (pkg == null) { 20760 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20761 throw new IllegalArgumentException("Unknown package: " + packageName); 20762 } 20763 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20764 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20765 throw new SecurityException("May not access signing KeySet of other apps."); 20766 } 20767 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20768 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20769 } 20770 } 20771 20772 @Override 20773 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20774 if (packageName == null || ks == null) { 20775 return false; 20776 } 20777 synchronized(mPackages) { 20778 final PackageParser.Package pkg = mPackages.get(packageName); 20779 if (pkg == null) { 20780 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20781 throw new IllegalArgumentException("Unknown package: " + packageName); 20782 } 20783 IBinder ksh = ks.getToken(); 20784 if (ksh instanceof KeySetHandle) { 20785 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20786 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20787 } 20788 return false; 20789 } 20790 } 20791 20792 @Override 20793 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20794 if (packageName == null || ks == null) { 20795 return false; 20796 } 20797 synchronized(mPackages) { 20798 final PackageParser.Package pkg = mPackages.get(packageName); 20799 if (pkg == null) { 20800 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20801 throw new IllegalArgumentException("Unknown package: " + packageName); 20802 } 20803 IBinder ksh = ks.getToken(); 20804 if (ksh instanceof KeySetHandle) { 20805 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20806 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20807 } 20808 return false; 20809 } 20810 } 20811 20812 private void deletePackageIfUnusedLPr(final String packageName) { 20813 PackageSetting ps = mSettings.mPackages.get(packageName); 20814 if (ps == null) { 20815 return; 20816 } 20817 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20818 // TODO Implement atomic delete if package is unused 20819 // It is currently possible that the package will be deleted even if it is installed 20820 // after this method returns. 20821 mHandler.post(new Runnable() { 20822 public void run() { 20823 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20824 } 20825 }); 20826 } 20827 } 20828 20829 /** 20830 * Check and throw if the given before/after packages would be considered a 20831 * downgrade. 20832 */ 20833 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20834 throws PackageManagerException { 20835 if (after.versionCode < before.mVersionCode) { 20836 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20837 "Update version code " + after.versionCode + " is older than current " 20838 + before.mVersionCode); 20839 } else if (after.versionCode == before.mVersionCode) { 20840 if (after.baseRevisionCode < before.baseRevisionCode) { 20841 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20842 "Update base revision code " + after.baseRevisionCode 20843 + " is older than current " + before.baseRevisionCode); 20844 } 20845 20846 if (!ArrayUtils.isEmpty(after.splitNames)) { 20847 for (int i = 0; i < after.splitNames.length; i++) { 20848 final String splitName = after.splitNames[i]; 20849 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20850 if (j != -1) { 20851 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20852 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20853 "Update split " + splitName + " revision code " 20854 + after.splitRevisionCodes[i] + " is older than current " 20855 + before.splitRevisionCodes[j]); 20856 } 20857 } 20858 } 20859 } 20860 } 20861 } 20862 20863 private static class MoveCallbacks extends Handler { 20864 private static final int MSG_CREATED = 1; 20865 private static final int MSG_STATUS_CHANGED = 2; 20866 20867 private final RemoteCallbackList<IPackageMoveObserver> 20868 mCallbacks = new RemoteCallbackList<>(); 20869 20870 private final SparseIntArray mLastStatus = new SparseIntArray(); 20871 20872 public MoveCallbacks(Looper looper) { 20873 super(looper); 20874 } 20875 20876 public void register(IPackageMoveObserver callback) { 20877 mCallbacks.register(callback); 20878 } 20879 20880 public void unregister(IPackageMoveObserver callback) { 20881 mCallbacks.unregister(callback); 20882 } 20883 20884 @Override 20885 public void handleMessage(Message msg) { 20886 final SomeArgs args = (SomeArgs) msg.obj; 20887 final int n = mCallbacks.beginBroadcast(); 20888 for (int i = 0; i < n; i++) { 20889 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20890 try { 20891 invokeCallback(callback, msg.what, args); 20892 } catch (RemoteException ignored) { 20893 } 20894 } 20895 mCallbacks.finishBroadcast(); 20896 args.recycle(); 20897 } 20898 20899 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20900 throws RemoteException { 20901 switch (what) { 20902 case MSG_CREATED: { 20903 callback.onCreated(args.argi1, (Bundle) args.arg2); 20904 break; 20905 } 20906 case MSG_STATUS_CHANGED: { 20907 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20908 break; 20909 } 20910 } 20911 } 20912 20913 private void notifyCreated(int moveId, Bundle extras) { 20914 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20915 20916 final SomeArgs args = SomeArgs.obtain(); 20917 args.argi1 = moveId; 20918 args.arg2 = extras; 20919 obtainMessage(MSG_CREATED, args).sendToTarget(); 20920 } 20921 20922 private void notifyStatusChanged(int moveId, int status) { 20923 notifyStatusChanged(moveId, status, -1); 20924 } 20925 20926 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20927 Slog.v(TAG, "Move " + moveId + " status " + status); 20928 20929 final SomeArgs args = SomeArgs.obtain(); 20930 args.argi1 = moveId; 20931 args.argi2 = status; 20932 args.arg3 = estMillis; 20933 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20934 20935 synchronized (mLastStatus) { 20936 mLastStatus.put(moveId, status); 20937 } 20938 } 20939 } 20940 20941 private final static class OnPermissionChangeListeners extends Handler { 20942 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20943 20944 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20945 new RemoteCallbackList<>(); 20946 20947 public OnPermissionChangeListeners(Looper looper) { 20948 super(looper); 20949 } 20950 20951 @Override 20952 public void handleMessage(Message msg) { 20953 switch (msg.what) { 20954 case MSG_ON_PERMISSIONS_CHANGED: { 20955 final int uid = msg.arg1; 20956 handleOnPermissionsChanged(uid); 20957 } break; 20958 } 20959 } 20960 20961 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20962 mPermissionListeners.register(listener); 20963 20964 } 20965 20966 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20967 mPermissionListeners.unregister(listener); 20968 } 20969 20970 public void onPermissionsChanged(int uid) { 20971 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20972 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20973 } 20974 } 20975 20976 private void handleOnPermissionsChanged(int uid) { 20977 final int count = mPermissionListeners.beginBroadcast(); 20978 try { 20979 for (int i = 0; i < count; i++) { 20980 IOnPermissionsChangeListener callback = mPermissionListeners 20981 .getBroadcastItem(i); 20982 try { 20983 callback.onPermissionsChanged(uid); 20984 } catch (RemoteException e) { 20985 Log.e(TAG, "Permission listener is dead", e); 20986 } 20987 } 20988 } finally { 20989 mPermissionListeners.finishBroadcast(); 20990 } 20991 } 20992 } 20993 20994 private class PackageManagerInternalImpl extends PackageManagerInternal { 20995 @Override 20996 public void setLocationPackagesProvider(PackagesProvider provider) { 20997 synchronized (mPackages) { 20998 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20999 } 21000 } 21001 21002 @Override 21003 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 21004 synchronized (mPackages) { 21005 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 21006 } 21007 } 21008 21009 @Override 21010 public void setSmsAppPackagesProvider(PackagesProvider provider) { 21011 synchronized (mPackages) { 21012 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 21013 } 21014 } 21015 21016 @Override 21017 public void setDialerAppPackagesProvider(PackagesProvider provider) { 21018 synchronized (mPackages) { 21019 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 21020 } 21021 } 21022 21023 @Override 21024 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 21025 synchronized (mPackages) { 21026 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 21027 } 21028 } 21029 21030 @Override 21031 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 21032 synchronized (mPackages) { 21033 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 21034 } 21035 } 21036 21037 @Override 21038 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 21039 synchronized (mPackages) { 21040 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 21041 packageName, userId); 21042 } 21043 } 21044 21045 @Override 21046 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 21047 synchronized (mPackages) { 21048 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 21049 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 21050 packageName, userId); 21051 } 21052 } 21053 21054 @Override 21055 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 21056 synchronized (mPackages) { 21057 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 21058 packageName, userId); 21059 } 21060 } 21061 21062 @Override 21063 public void setKeepUninstalledPackages(final List<String> packageList) { 21064 Preconditions.checkNotNull(packageList); 21065 List<String> removedFromList = null; 21066 synchronized (mPackages) { 21067 if (mKeepUninstalledPackages != null) { 21068 final int packagesCount = mKeepUninstalledPackages.size(); 21069 for (int i = 0; i < packagesCount; i++) { 21070 String oldPackage = mKeepUninstalledPackages.get(i); 21071 if (packageList != null && packageList.contains(oldPackage)) { 21072 continue; 21073 } 21074 if (removedFromList == null) { 21075 removedFromList = new ArrayList<>(); 21076 } 21077 removedFromList.add(oldPackage); 21078 } 21079 } 21080 mKeepUninstalledPackages = new ArrayList<>(packageList); 21081 if (removedFromList != null) { 21082 final int removedCount = removedFromList.size(); 21083 for (int i = 0; i < removedCount; i++) { 21084 deletePackageIfUnusedLPr(removedFromList.get(i)); 21085 } 21086 } 21087 } 21088 } 21089 21090 @Override 21091 public boolean isPermissionsReviewRequired(String packageName, int userId) { 21092 synchronized (mPackages) { 21093 // If we do not support permission review, done. 21094 if (!mPermissionReviewRequired) { 21095 return false; 21096 } 21097 21098 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 21099 if (packageSetting == null) { 21100 return false; 21101 } 21102 21103 // Permission review applies only to apps not supporting the new permission model. 21104 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 21105 return false; 21106 } 21107 21108 // Legacy apps have the permission and get user consent on launch. 21109 PermissionsState permissionsState = packageSetting.getPermissionsState(); 21110 return permissionsState.isPermissionReviewRequired(userId); 21111 } 21112 } 21113 21114 @Override 21115 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 21116 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 21117 } 21118 21119 @Override 21120 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 21121 int userId) { 21122 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 21123 } 21124 21125 @Override 21126 public void setDeviceAndProfileOwnerPackages( 21127 int deviceOwnerUserId, String deviceOwnerPackage, 21128 SparseArray<String> profileOwnerPackages) { 21129 mProtectedPackages.setDeviceAndProfileOwnerPackages( 21130 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 21131 } 21132 21133 @Override 21134 public boolean isPackageDataProtected(int userId, String packageName) { 21135 return mProtectedPackages.isPackageDataProtected(userId, packageName); 21136 } 21137 21138 @Override 21139 public boolean wasPackageEverLaunched(String packageName, int userId) { 21140 synchronized (mPackages) { 21141 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 21142 } 21143 } 21144 } 21145 21146 @Override 21147 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 21148 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 21149 synchronized (mPackages) { 21150 final long identity = Binder.clearCallingIdentity(); 21151 try { 21152 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 21153 packageNames, userId); 21154 } finally { 21155 Binder.restoreCallingIdentity(identity); 21156 } 21157 } 21158 } 21159 21160 private static void enforceSystemOrPhoneCaller(String tag) { 21161 int callingUid = Binder.getCallingUid(); 21162 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 21163 throw new SecurityException( 21164 "Cannot call " + tag + " from UID " + callingUid); 21165 } 21166 } 21167 21168 boolean isHistoricalPackageUsageAvailable() { 21169 return mPackageUsage.isHistoricalPackageUsageAvailable(); 21170 } 21171 21172 /** 21173 * Return a <b>copy</b> of the collection of packages known to the package manager. 21174 * @return A copy of the values of mPackages. 21175 */ 21176 Collection<PackageParser.Package> getPackages() { 21177 synchronized (mPackages) { 21178 return new ArrayList<>(mPackages.values()); 21179 } 21180 } 21181 21182 /** 21183 * Logs process start information (including base APK hash) to the security log. 21184 * @hide 21185 */ 21186 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21187 String apkFile, int pid) { 21188 if (!SecurityLog.isLoggingEnabled()) { 21189 return; 21190 } 21191 Bundle data = new Bundle(); 21192 data.putLong("startTimestamp", System.currentTimeMillis()); 21193 data.putString("processName", processName); 21194 data.putInt("uid", uid); 21195 data.putString("seinfo", seinfo); 21196 data.putString("apkFile", apkFile); 21197 data.putInt("pid", pid); 21198 Message msg = mProcessLoggingHandler.obtainMessage( 21199 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21200 msg.setData(data); 21201 mProcessLoggingHandler.sendMessage(msg); 21202 } 21203 21204 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21205 return mCompilerStats.getPackageStats(pkgName); 21206 } 21207 21208 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21209 return getOrCreateCompilerPackageStats(pkg.packageName); 21210 } 21211 21212 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21213 return mCompilerStats.getOrCreatePackageStats(pkgName); 21214 } 21215 21216 public void deleteCompilerPackageStats(String pkgName) { 21217 mCompilerStats.deletePackageStats(pkgName); 21218 } 21219} 21220