PackageManagerService.java revision 4a601f972a9930e26aa2ead8995cc8b97c1844b3
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 40import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 45import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 46import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 47import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 63import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 65import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 66import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 67import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 68import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 69import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 70import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 71import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 72import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 73import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 74import static android.content.pm.PackageManager.PERMISSION_DENIED; 75import static android.content.pm.PackageManager.PERMISSION_GRANTED; 76import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 77import static android.content.pm.PackageParser.isApkFile; 78import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 79import static android.system.OsConstants.O_CREAT; 80import static android.system.OsConstants.O_RDWR; 81 82import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 84import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 85import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 86import static com.android.internal.util.ArrayUtils.appendInt; 87import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 88import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 89import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 91import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 92import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 93import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 94import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 96import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 99 100import android.Manifest; 101import android.annotation.NonNull; 102import android.annotation.Nullable; 103import android.app.ActivityManager; 104import android.app.ActivityManagerNative; 105import android.app.IActivityManager; 106import android.app.ResourcesManager; 107import android.app.admin.IDevicePolicyManager; 108import android.app.admin.SecurityLog; 109import android.app.backup.IBackupManager; 110import android.content.BroadcastReceiver; 111import android.content.ComponentName; 112import android.content.ContentResolver; 113import android.content.Context; 114import android.content.IIntentReceiver; 115import android.content.Intent; 116import android.content.IntentFilter; 117import android.content.IntentSender; 118import android.content.IntentSender.SendIntentException; 119import android.content.ServiceConnection; 120import android.content.pm.ActivityInfo; 121import android.content.pm.ApplicationInfo; 122import android.content.pm.AppsQueryHelper; 123import android.content.pm.ComponentInfo; 124import android.content.pm.EphemeralApplicationInfo; 125import android.content.pm.EphemeralResolveInfo; 126import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 127import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 128import android.content.pm.FeatureInfo; 129import android.content.pm.IOnPermissionsChangeListener; 130import android.content.pm.IPackageDataObserver; 131import android.content.pm.IPackageDeleteObserver; 132import android.content.pm.IPackageDeleteObserver2; 133import android.content.pm.IPackageInstallObserver2; 134import android.content.pm.IPackageInstaller; 135import android.content.pm.IPackageManager; 136import android.content.pm.IPackageMoveObserver; 137import android.content.pm.IPackageStatsObserver; 138import android.content.pm.InstrumentationInfo; 139import android.content.pm.IntentFilterVerificationInfo; 140import android.content.pm.KeySet; 141import android.content.pm.PackageCleanItem; 142import android.content.pm.PackageInfo; 143import android.content.pm.PackageInfoLite; 144import android.content.pm.PackageInstaller; 145import android.content.pm.PackageManager; 146import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 147import android.content.pm.PackageManagerInternal; 148import android.content.pm.PackageParser; 149import android.content.pm.PackageParser.ActivityIntentInfo; 150import android.content.pm.PackageParser.PackageLite; 151import android.content.pm.PackageParser.PackageParserException; 152import android.content.pm.PackageStats; 153import android.content.pm.PackageUserState; 154import android.content.pm.ParceledListSlice; 155import android.content.pm.PermissionGroupInfo; 156import android.content.pm.PermissionInfo; 157import android.content.pm.ProviderInfo; 158import android.content.pm.ResolveInfo; 159import android.content.pm.ServiceInfo; 160import android.content.pm.Signature; 161import android.content.pm.UserInfo; 162import android.content.pm.VerifierDeviceIdentity; 163import android.content.pm.VerifierInfo; 164import android.content.res.Resources; 165import android.graphics.Bitmap; 166import android.hardware.display.DisplayManager; 167import android.net.Uri; 168import android.os.Binder; 169import android.os.Build; 170import android.os.Bundle; 171import android.os.Debug; 172import android.os.Environment; 173import android.os.Environment.UserEnvironment; 174import android.os.FileUtils; 175import android.os.Handler; 176import android.os.IBinder; 177import android.os.Looper; 178import android.os.Message; 179import android.os.Parcel; 180import android.os.ParcelFileDescriptor; 181import android.os.PatternMatcher; 182import android.os.Process; 183import android.os.RemoteCallbackList; 184import android.os.RemoteException; 185import android.os.ResultReceiver; 186import android.os.SELinux; 187import android.os.ServiceManager; 188import android.os.SystemClock; 189import android.os.SystemProperties; 190import android.os.Trace; 191import android.os.UserHandle; 192import android.os.UserManager; 193import android.os.UserManagerInternal; 194import android.os.storage.IMountService; 195import android.os.storage.MountServiceInternal; 196import android.os.storage.StorageEventListener; 197import android.os.storage.StorageManager; 198import android.os.storage.VolumeInfo; 199import android.os.storage.VolumeRecord; 200import android.provider.Settings.Global; 201import android.provider.Settings.Secure; 202import android.security.KeyStore; 203import android.security.SystemKeyStore; 204import android.system.ErrnoException; 205import android.system.Os; 206import android.text.TextUtils; 207import android.text.format.DateUtils; 208import android.util.ArrayMap; 209import android.util.ArraySet; 210import android.util.DisplayMetrics; 211import android.util.EventLog; 212import android.util.ExceptionUtils; 213import android.util.Log; 214import android.util.LogPrinter; 215import android.util.MathUtils; 216import android.util.Pair; 217import android.util.PrintStreamPrinter; 218import android.util.Slog; 219import android.util.SparseArray; 220import android.util.SparseBooleanArray; 221import android.util.SparseIntArray; 222import android.util.Xml; 223import android.util.jar.StrictJarFile; 224import android.view.Display; 225 226import com.android.internal.R; 227import com.android.internal.annotations.GuardedBy; 228import com.android.internal.app.IMediaContainerService; 229import com.android.internal.app.ResolverActivity; 230import com.android.internal.content.NativeLibraryHelper; 231import com.android.internal.content.PackageHelper; 232import com.android.internal.logging.MetricsLogger; 233import com.android.internal.os.IParcelFileDescriptorFactory; 234import com.android.internal.os.InstallerConnection.InstallerException; 235import com.android.internal.os.SomeArgs; 236import com.android.internal.os.Zygote; 237import com.android.internal.telephony.CarrierAppUtils; 238import com.android.internal.util.ArrayUtils; 239import com.android.internal.util.FastPrintWriter; 240import com.android.internal.util.FastXmlSerializer; 241import com.android.internal.util.IndentingPrintWriter; 242import com.android.internal.util.Preconditions; 243import com.android.internal.util.XmlUtils; 244import com.android.server.AttributeCache; 245import com.android.server.EventLogTags; 246import com.android.server.FgThread; 247import com.android.server.IntentResolver; 248import com.android.server.LocalServices; 249import com.android.server.ServiceThread; 250import com.android.server.SystemConfig; 251import com.android.server.Watchdog; 252import com.android.server.net.NetworkPolicyManagerInternal; 253import com.android.server.pm.PermissionsState.PermissionState; 254import com.android.server.pm.Settings.DatabaseVersion; 255import com.android.server.pm.Settings.VersionInfo; 256import com.android.server.storage.DeviceStorageMonitorInternal; 257 258import dalvik.system.CloseGuard; 259import dalvik.system.DexFile; 260import dalvik.system.VMRuntime; 261 262import libcore.io.IoUtils; 263import libcore.util.EmptyArray; 264 265import org.xmlpull.v1.XmlPullParser; 266import org.xmlpull.v1.XmlPullParserException; 267import org.xmlpull.v1.XmlSerializer; 268 269import java.io.BufferedOutputStream; 270import java.io.BufferedReader; 271import java.io.ByteArrayInputStream; 272import java.io.ByteArrayOutputStream; 273import java.io.File; 274import java.io.FileDescriptor; 275import java.io.FileInputStream; 276import java.io.FileNotFoundException; 277import java.io.FileOutputStream; 278import java.io.FileReader; 279import java.io.FilenameFilter; 280import java.io.IOException; 281import java.io.PrintWriter; 282import java.nio.charset.StandardCharsets; 283import java.security.DigestInputStream; 284import java.security.MessageDigest; 285import java.security.NoSuchAlgorithmException; 286import java.security.PublicKey; 287import java.security.cert.Certificate; 288import java.security.cert.CertificateEncodingException; 289import java.security.cert.CertificateException; 290import java.text.SimpleDateFormat; 291import java.util.ArrayList; 292import java.util.Arrays; 293import java.util.Collection; 294import java.util.Collections; 295import java.util.Comparator; 296import java.util.Date; 297import java.util.HashSet; 298import java.util.Iterator; 299import java.util.List; 300import java.util.Map; 301import java.util.Objects; 302import java.util.Set; 303import java.util.concurrent.CountDownLatch; 304import java.util.concurrent.TimeUnit; 305import java.util.concurrent.atomic.AtomicBoolean; 306import java.util.concurrent.atomic.AtomicInteger; 307 308/** 309 * Keep track of all those APKs everywhere. 310 * <p> 311 * Internally there are two important locks: 312 * <ul> 313 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 314 * and other related state. It is a fine-grained lock that should only be held 315 * momentarily, as it's one of the most contended locks in the system. 316 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 317 * operations typically involve heavy lifting of application data on disk. Since 318 * {@code installd} is single-threaded, and it's operations can often be slow, 319 * this lock should never be acquired while already holding {@link #mPackages}. 320 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 321 * holding {@link #mInstallLock}. 322 * </ul> 323 * Many internal methods rely on the caller to hold the appropriate locks, and 324 * this contract is expressed through method name suffixes: 325 * <ul> 326 * <li>fooLI(): the caller must hold {@link #mInstallLock} 327 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 328 * being modified must be frozen 329 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 330 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 331 * </ul> 332 * <p> 333 * Because this class is very central to the platform's security; please run all 334 * CTS and unit tests whenever making modifications: 335 * 336 * <pre> 337 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 338 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 339 * </pre> 340 */ 341public class PackageManagerService extends IPackageManager.Stub { 342 static final String TAG = "PackageManager"; 343 static final boolean DEBUG_SETTINGS = false; 344 static final boolean DEBUG_PREFERRED = false; 345 static final boolean DEBUG_UPGRADE = false; 346 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 347 private static final boolean DEBUG_BACKUP = false; 348 private static final boolean DEBUG_INSTALL = false; 349 private static final boolean DEBUG_REMOVE = false; 350 private static final boolean DEBUG_BROADCASTS = false; 351 private static final boolean DEBUG_SHOW_INFO = false; 352 private static final boolean DEBUG_PACKAGE_INFO = false; 353 private static final boolean DEBUG_INTENT_MATCHING = false; 354 private static final boolean DEBUG_PACKAGE_SCANNING = false; 355 private static final boolean DEBUG_VERIFY = false; 356 private static final boolean DEBUG_FILTERS = false; 357 358 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 359 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 360 // user, but by default initialize to this. 361 static final boolean DEBUG_DEXOPT = false; 362 363 private static final boolean DEBUG_ABI_SELECTION = false; 364 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 365 private static final boolean DEBUG_TRIAGED_MISSING = false; 366 private static final boolean DEBUG_APP_DATA = false; 367 368 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 * If VENDOR_OVERLAY_THEME_PROPERTY is set, search for runtime resource overlay APKs also in 468 * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_THEME_PROPERTY> in addition to 469 * VENDOR_OVERLAY_DIR. 470 */ 471 private static final String VENDOR_OVERLAY_THEME_PROPERTY = "ro.boot.vendor.overlay.theme"; 472 473 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 474 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 475 476 /** Permission grant: not grant the permission. */ 477 private static final int GRANT_DENIED = 1; 478 479 /** Permission grant: grant the permission as an install permission. */ 480 private static final int GRANT_INSTALL = 2; 481 482 /** Permission grant: grant the permission as a runtime one. */ 483 private static final int GRANT_RUNTIME = 3; 484 485 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 486 private static final int GRANT_UPGRADE = 4; 487 488 /** Canonical intent used to identify what counts as a "web browser" app */ 489 private static final Intent sBrowserIntent; 490 static { 491 sBrowserIntent = new Intent(); 492 sBrowserIntent.setAction(Intent.ACTION_VIEW); 493 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 494 sBrowserIntent.setData(Uri.parse("http:")); 495 } 496 497 /** 498 * The set of all protected actions [i.e. those actions for which a high priority 499 * intent filter is disallowed]. 500 */ 501 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 502 static { 503 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 504 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 505 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 506 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 507 } 508 509 // Compilation reasons. 510 public static final int REASON_FIRST_BOOT = 0; 511 public static final int REASON_BOOT = 1; 512 public static final int REASON_INSTALL = 2; 513 public static final int REASON_BACKGROUND_DEXOPT = 3; 514 public static final int REASON_AB_OTA = 4; 515 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 516 public static final int REASON_SHARED_APK = 6; 517 public static final int REASON_FORCED_DEXOPT = 7; 518 public static final int REASON_CORE_APP = 8; 519 520 public static final int REASON_LAST = REASON_CORE_APP; 521 522 /** Special library name that skips shared libraries check during compilation. */ 523 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 524 525 final ServiceThread mHandlerThread; 526 527 final PackageHandler mHandler; 528 529 private final ProcessLoggingHandler mProcessLoggingHandler; 530 531 /** 532 * Messages for {@link #mHandler} that need to wait for system ready before 533 * being dispatched. 534 */ 535 private ArrayList<Message> mPostSystemReadyMessages; 536 537 final int mSdkVersion = Build.VERSION.SDK_INT; 538 539 final Context mContext; 540 final boolean mFactoryTest; 541 final boolean mOnlyCore; 542 final DisplayMetrics mMetrics; 543 final int mDefParseFlags; 544 final String[] mSeparateProcesses; 545 final boolean mIsUpgrade; 546 final boolean mIsPreNUpgrade; 547 final boolean mIsPreNMR1Upgrade; 548 549 @GuardedBy("mPackages") 550 private boolean mDexOptDialogShown; 551 552 /** The location for ASEC container files on internal storage. */ 553 final String mAsecInternalPath; 554 555 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 556 // LOCK HELD. Can be called with mInstallLock held. 557 @GuardedBy("mInstallLock") 558 final Installer mInstaller; 559 560 /** Directory where installed third-party apps stored */ 561 final File mAppInstallDir; 562 final File mEphemeralInstallDir; 563 564 /** 565 * Directory to which applications installed internally have their 566 * 32 bit native libraries copied. 567 */ 568 private File mAppLib32InstallDir; 569 570 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 571 // apps. 572 final File mDrmAppPrivateInstallDir; 573 574 // ---------------------------------------------------------------- 575 576 // Lock for state used when installing and doing other long running 577 // operations. Methods that must be called with this lock held have 578 // the suffix "LI". 579 final Object mInstallLock = new Object(); 580 581 // ---------------------------------------------------------------- 582 583 // Keys are String (package name), values are Package. This also serves 584 // as the lock for the global state. Methods that must be called with 585 // this lock held have the prefix "LP". 586 @GuardedBy("mPackages") 587 final ArrayMap<String, PackageParser.Package> mPackages = 588 new ArrayMap<String, PackageParser.Package>(); 589 590 final ArrayMap<String, Set<String>> mKnownCodebase = 591 new ArrayMap<String, Set<String>>(); 592 593 // Tracks available target package names -> overlay package paths. 594 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 595 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 596 597 /** 598 * Tracks new system packages [received in an OTA] that we expect to 599 * find updated user-installed versions. Keys are package name, values 600 * are package location. 601 */ 602 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 603 /** 604 * Tracks high priority intent filters for protected actions. During boot, certain 605 * filter actions are protected and should never be allowed to have a high priority 606 * intent filter for them. However, there is one, and only one exception -- the 607 * setup wizard. It must be able to define a high priority intent filter for these 608 * actions to ensure there are no escapes from the wizard. We need to delay processing 609 * of these during boot as we need to look at all of the system packages in order 610 * to know which component is the setup wizard. 611 */ 612 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 613 /** 614 * Whether or not processing protected filters should be deferred. 615 */ 616 private boolean mDeferProtectedFilters = true; 617 618 /** 619 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 620 */ 621 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 622 /** 623 * Whether or not system app permissions should be promoted from install to runtime. 624 */ 625 boolean mPromoteSystemApps; 626 627 @GuardedBy("mPackages") 628 final Settings mSettings; 629 630 /** 631 * Set of package names that are currently "frozen", which means active 632 * surgery is being done on the code/data for that package. The platform 633 * will refuse to launch frozen packages to avoid race conditions. 634 * 635 * @see PackageFreezer 636 */ 637 @GuardedBy("mPackages") 638 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 639 640 final ProtectedPackages mProtectedPackages; 641 642 boolean mFirstBoot; 643 644 // System configuration read by SystemConfig. 645 final int[] mGlobalGids; 646 final SparseArray<ArraySet<String>> mSystemPermissions; 647 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 648 649 // If mac_permissions.xml was found for seinfo labeling. 650 boolean mFoundPolicyFile; 651 652 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 653 654 public static final class SharedLibraryEntry { 655 public final String path; 656 public final String apk; 657 658 SharedLibraryEntry(String _path, String _apk) { 659 path = _path; 660 apk = _apk; 661 } 662 } 663 664 // Currently known shared libraries. 665 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 666 new ArrayMap<String, SharedLibraryEntry>(); 667 668 // All available activities, for your resolving pleasure. 669 final ActivityIntentResolver mActivities = 670 new ActivityIntentResolver(); 671 672 // All available receivers, for your resolving pleasure. 673 final ActivityIntentResolver mReceivers = 674 new ActivityIntentResolver(); 675 676 // All available services, for your resolving pleasure. 677 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 678 679 // All available providers, for your resolving pleasure. 680 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 681 682 // Mapping from provider base names (first directory in content URI codePath) 683 // to the provider information. 684 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 685 new ArrayMap<String, PackageParser.Provider>(); 686 687 // Mapping from instrumentation class names to info about them. 688 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 689 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 690 691 // Mapping from permission names to info about them. 692 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 693 new ArrayMap<String, PackageParser.PermissionGroup>(); 694 695 // Packages whose data we have transfered into another package, thus 696 // should no longer exist. 697 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 698 699 // Broadcast actions that are only available to the system. 700 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 701 702 /** List of packages waiting for verification. */ 703 final SparseArray<PackageVerificationState> mPendingVerification 704 = new SparseArray<PackageVerificationState>(); 705 706 /** Set of packages associated with each app op permission. */ 707 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 708 709 final PackageInstallerService mInstallerService; 710 711 private final PackageDexOptimizer mPackageDexOptimizer; 712 713 private AtomicInteger mNextMoveId = new AtomicInteger(); 714 private final MoveCallbacks mMoveCallbacks; 715 716 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 717 718 // Cache of users who need badging. 719 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 720 721 /** Token for keys in mPendingVerification. */ 722 private int mPendingVerificationToken = 0; 723 724 volatile boolean mSystemReady; 725 volatile boolean mSafeMode; 726 volatile boolean mHasSystemUidErrors; 727 728 ApplicationInfo mAndroidApplication; 729 final ActivityInfo mResolveActivity = new ActivityInfo(); 730 final ResolveInfo mResolveInfo = new ResolveInfo(); 731 ComponentName mResolveComponentName; 732 PackageParser.Package mPlatformPackage; 733 ComponentName mCustomResolverComponentName; 734 735 boolean mResolverReplaced = false; 736 737 private final @Nullable ComponentName mIntentFilterVerifierComponent; 738 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 739 740 private int mIntentFilterVerificationToken = 0; 741 742 /** Component that knows whether or not an ephemeral application exists */ 743 final ComponentName mEphemeralResolverComponent; 744 /** The service connection to the ephemeral resolver */ 745 final EphemeralResolverConnection mEphemeralResolverConnection; 746 747 /** Component used to install ephemeral applications */ 748 final ComponentName mEphemeralInstallerComponent; 749 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 750 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 751 752 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 753 = new SparseArray<IntentFilterVerificationState>(); 754 755 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 756 757 // List of packages names to keep cached, even if they are uninstalled for all users 758 private List<String> mKeepUninstalledPackages; 759 760 private UserManagerInternal mUserManagerInternal; 761 762 private static class IFVerificationParams { 763 PackageParser.Package pkg; 764 boolean replacing; 765 int userId; 766 int verifierUid; 767 768 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 769 int _userId, int _verifierUid) { 770 pkg = _pkg; 771 replacing = _replacing; 772 userId = _userId; 773 replacing = _replacing; 774 verifierUid = _verifierUid; 775 } 776 } 777 778 private interface IntentFilterVerifier<T extends IntentFilter> { 779 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 780 T filter, String packageName); 781 void startVerifications(int userId); 782 void receiveVerificationResponse(int verificationId); 783 } 784 785 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 786 private Context mContext; 787 private ComponentName mIntentFilterVerifierComponent; 788 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 789 790 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 791 mContext = context; 792 mIntentFilterVerifierComponent = verifierComponent; 793 } 794 795 private String getDefaultScheme() { 796 return IntentFilter.SCHEME_HTTPS; 797 } 798 799 @Override 800 public void startVerifications(int userId) { 801 // Launch verifications requests 802 int count = mCurrentIntentFilterVerifications.size(); 803 for (int n=0; n<count; n++) { 804 int verificationId = mCurrentIntentFilterVerifications.get(n); 805 final IntentFilterVerificationState ivs = 806 mIntentFilterVerificationStates.get(verificationId); 807 808 String packageName = ivs.getPackageName(); 809 810 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 811 final int filterCount = filters.size(); 812 ArraySet<String> domainsSet = new ArraySet<>(); 813 for (int m=0; m<filterCount; m++) { 814 PackageParser.ActivityIntentInfo filter = filters.get(m); 815 domainsSet.addAll(filter.getHostsList()); 816 } 817 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 818 synchronized (mPackages) { 819 if (mSettings.createIntentFilterVerificationIfNeededLPw( 820 packageName, domainsList) != null) { 821 scheduleWriteSettingsLocked(); 822 } 823 } 824 sendVerificationRequest(userId, verificationId, ivs); 825 } 826 mCurrentIntentFilterVerifications.clear(); 827 } 828 829 private void sendVerificationRequest(int userId, int verificationId, 830 IntentFilterVerificationState ivs) { 831 832 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 833 verificationIntent.putExtra( 834 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 835 verificationId); 836 verificationIntent.putExtra( 837 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 838 getDefaultScheme()); 839 verificationIntent.putExtra( 840 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 841 ivs.getHostsString()); 842 verificationIntent.putExtra( 843 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 844 ivs.getPackageName()); 845 verificationIntent.setComponent(mIntentFilterVerifierComponent); 846 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 847 848 UserHandle user = new UserHandle(userId); 849 mContext.sendBroadcastAsUser(verificationIntent, user); 850 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 851 "Sending IntentFilter verification broadcast"); 852 } 853 854 public void receiveVerificationResponse(int verificationId) { 855 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 856 857 final boolean verified = ivs.isVerified(); 858 859 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 860 final int count = filters.size(); 861 if (DEBUG_DOMAIN_VERIFICATION) { 862 Slog.i(TAG, "Received verification response " + verificationId 863 + " for " + count + " filters, verified=" + verified); 864 } 865 for (int n=0; n<count; n++) { 866 PackageParser.ActivityIntentInfo filter = filters.get(n); 867 filter.setVerified(verified); 868 869 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 870 + " verified with result:" + verified + " and hosts:" 871 + ivs.getHostsString()); 872 } 873 874 mIntentFilterVerificationStates.remove(verificationId); 875 876 final String packageName = ivs.getPackageName(); 877 IntentFilterVerificationInfo ivi = null; 878 879 synchronized (mPackages) { 880 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 881 } 882 if (ivi == null) { 883 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 884 + verificationId + " packageName:" + packageName); 885 return; 886 } 887 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 888 "Updating IntentFilterVerificationInfo for package " + packageName 889 +" verificationId:" + verificationId); 890 891 synchronized (mPackages) { 892 if (verified) { 893 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 894 } else { 895 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 896 } 897 scheduleWriteSettingsLocked(); 898 899 final int userId = ivs.getUserId(); 900 if (userId != UserHandle.USER_ALL) { 901 final int userStatus = 902 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 903 904 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 905 boolean needUpdate = false; 906 907 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 908 // already been set by the User thru the Disambiguation dialog 909 switch (userStatus) { 910 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 911 if (verified) { 912 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 913 } else { 914 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 915 } 916 needUpdate = true; 917 break; 918 919 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 920 if (verified) { 921 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 922 needUpdate = true; 923 } 924 break; 925 926 default: 927 // Nothing to do 928 } 929 930 if (needUpdate) { 931 mSettings.updateIntentFilterVerificationStatusLPw( 932 packageName, updatedStatus, userId); 933 scheduleWritePackageRestrictionsLocked(userId); 934 } 935 } 936 } 937 } 938 939 @Override 940 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 941 ActivityIntentInfo filter, String packageName) { 942 if (!hasValidDomains(filter)) { 943 return false; 944 } 945 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 946 if (ivs == null) { 947 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 948 packageName); 949 } 950 if (DEBUG_DOMAIN_VERIFICATION) { 951 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 952 } 953 ivs.addFilter(filter); 954 return true; 955 } 956 957 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 958 int userId, int verificationId, String packageName) { 959 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 960 verifierUid, userId, packageName); 961 ivs.setPendingState(); 962 synchronized (mPackages) { 963 mIntentFilterVerificationStates.append(verificationId, ivs); 964 mCurrentIntentFilterVerifications.add(verificationId); 965 } 966 return ivs; 967 } 968 } 969 970 private static boolean hasValidDomains(ActivityIntentInfo filter) { 971 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 972 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 973 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 974 } 975 976 // Set of pending broadcasts for aggregating enable/disable of components. 977 static class PendingPackageBroadcasts { 978 // for each user id, a map of <package name -> components within that package> 979 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 980 981 public PendingPackageBroadcasts() { 982 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 983 } 984 985 public ArrayList<String> get(int userId, String packageName) { 986 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 987 return packages.get(packageName); 988 } 989 990 public void put(int userId, String packageName, ArrayList<String> components) { 991 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 992 packages.put(packageName, components); 993 } 994 995 public void remove(int userId, String packageName) { 996 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 997 if (packages != null) { 998 packages.remove(packageName); 999 } 1000 } 1001 1002 public void remove(int userId) { 1003 mUidMap.remove(userId); 1004 } 1005 1006 public int userIdCount() { 1007 return mUidMap.size(); 1008 } 1009 1010 public int userIdAt(int n) { 1011 return mUidMap.keyAt(n); 1012 } 1013 1014 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1015 return mUidMap.get(userId); 1016 } 1017 1018 public int size() { 1019 // total number of pending broadcast entries across all userIds 1020 int num = 0; 1021 for (int i = 0; i< mUidMap.size(); i++) { 1022 num += mUidMap.valueAt(i).size(); 1023 } 1024 return num; 1025 } 1026 1027 public void clear() { 1028 mUidMap.clear(); 1029 } 1030 1031 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1032 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1033 if (map == null) { 1034 map = new ArrayMap<String, ArrayList<String>>(); 1035 mUidMap.put(userId, map); 1036 } 1037 return map; 1038 } 1039 } 1040 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1041 1042 // Service Connection to remote media container service to copy 1043 // package uri's from external media onto secure containers 1044 // or internal storage. 1045 private IMediaContainerService mContainerService = null; 1046 1047 static final int SEND_PENDING_BROADCAST = 1; 1048 static final int MCS_BOUND = 3; 1049 static final int END_COPY = 4; 1050 static final int INIT_COPY = 5; 1051 static final int MCS_UNBIND = 6; 1052 static final int START_CLEANING_PACKAGE = 7; 1053 static final int FIND_INSTALL_LOC = 8; 1054 static final int POST_INSTALL = 9; 1055 static final int MCS_RECONNECT = 10; 1056 static final int MCS_GIVE_UP = 11; 1057 static final int UPDATED_MEDIA_STATUS = 12; 1058 static final int WRITE_SETTINGS = 13; 1059 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1060 static final int PACKAGE_VERIFIED = 15; 1061 static final int CHECK_PENDING_VERIFICATION = 16; 1062 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1063 static final int INTENT_FILTER_VERIFIED = 18; 1064 static final int WRITE_PACKAGE_LIST = 19; 1065 1066 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1067 1068 // Delay time in millisecs 1069 static final int BROADCAST_DELAY = 10 * 1000; 1070 1071 static UserManagerService sUserManager; 1072 1073 // Stores a list of users whose package restrictions file needs to be updated 1074 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1075 1076 final private DefaultContainerConnection mDefContainerConn = 1077 new DefaultContainerConnection(); 1078 class DefaultContainerConnection implements ServiceConnection { 1079 public void onServiceConnected(ComponentName name, IBinder service) { 1080 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1081 IMediaContainerService imcs = 1082 IMediaContainerService.Stub.asInterface(service); 1083 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1084 } 1085 1086 public void onServiceDisconnected(ComponentName name) { 1087 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1088 } 1089 } 1090 1091 // Recordkeeping of restore-after-install operations that are currently in flight 1092 // between the Package Manager and the Backup Manager 1093 static class PostInstallData { 1094 public InstallArgs args; 1095 public PackageInstalledInfo res; 1096 1097 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1098 args = _a; 1099 res = _r; 1100 } 1101 } 1102 1103 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1104 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1105 1106 // XML tags for backup/restore of various bits of state 1107 private static final String TAG_PREFERRED_BACKUP = "pa"; 1108 private static final String TAG_DEFAULT_APPS = "da"; 1109 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1110 1111 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1112 private static final String TAG_ALL_GRANTS = "rt-grants"; 1113 private static final String TAG_GRANT = "grant"; 1114 private static final String ATTR_PACKAGE_NAME = "pkg"; 1115 1116 private static final String TAG_PERMISSION = "perm"; 1117 private static final String ATTR_PERMISSION_NAME = "name"; 1118 private static final String ATTR_IS_GRANTED = "g"; 1119 private static final String ATTR_USER_SET = "set"; 1120 private static final String ATTR_USER_FIXED = "fixed"; 1121 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1122 1123 // System/policy permission grants are not backed up 1124 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1125 FLAG_PERMISSION_POLICY_FIXED 1126 | FLAG_PERMISSION_SYSTEM_FIXED 1127 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1128 1129 // And we back up these user-adjusted states 1130 private static final int USER_RUNTIME_GRANT_MASK = 1131 FLAG_PERMISSION_USER_SET 1132 | FLAG_PERMISSION_USER_FIXED 1133 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1134 1135 final @Nullable String mRequiredVerifierPackage; 1136 final @NonNull String mRequiredInstallerPackage; 1137 final @NonNull String mRequiredUninstallerPackage; 1138 final @Nullable String mSetupWizardPackage; 1139 final @Nullable String mStorageManagerPackage; 1140 final @NonNull String mServicesSystemSharedLibraryPackageName; 1141 final @NonNull String mSharedSystemSharedLibraryPackageName; 1142 1143 final boolean mPermissionReviewRequired; 1144 1145 private final PackageUsage mPackageUsage = new PackageUsage(); 1146 private final CompilerStats mCompilerStats = new CompilerStats(); 1147 1148 class PackageHandler extends Handler { 1149 private boolean mBound = false; 1150 final ArrayList<HandlerParams> mPendingInstalls = 1151 new ArrayList<HandlerParams>(); 1152 1153 private boolean connectToService() { 1154 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1155 " DefaultContainerService"); 1156 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1157 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1158 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1159 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1160 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1161 mBound = true; 1162 return true; 1163 } 1164 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1165 return false; 1166 } 1167 1168 private void disconnectService() { 1169 mContainerService = null; 1170 mBound = false; 1171 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1172 mContext.unbindService(mDefContainerConn); 1173 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1174 } 1175 1176 PackageHandler(Looper looper) { 1177 super(looper); 1178 } 1179 1180 public void handleMessage(Message msg) { 1181 try { 1182 doHandleMessage(msg); 1183 } finally { 1184 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1185 } 1186 } 1187 1188 void doHandleMessage(Message msg) { 1189 switch (msg.what) { 1190 case INIT_COPY: { 1191 HandlerParams params = (HandlerParams) msg.obj; 1192 int idx = mPendingInstalls.size(); 1193 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1194 // If a bind was already initiated we dont really 1195 // need to do anything. The pending install 1196 // will be processed later on. 1197 if (!mBound) { 1198 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1199 System.identityHashCode(mHandler)); 1200 // If this is the only one pending we might 1201 // have to bind to the service again. 1202 if (!connectToService()) { 1203 Slog.e(TAG, "Failed to bind to media container service"); 1204 params.serviceError(); 1205 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1206 System.identityHashCode(mHandler)); 1207 if (params.traceMethod != null) { 1208 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1209 params.traceCookie); 1210 } 1211 return; 1212 } else { 1213 // Once we bind to the service, the first 1214 // pending request will be processed. 1215 mPendingInstalls.add(idx, params); 1216 } 1217 } else { 1218 mPendingInstalls.add(idx, params); 1219 // Already bound to the service. Just make 1220 // sure we trigger off processing the first request. 1221 if (idx == 0) { 1222 mHandler.sendEmptyMessage(MCS_BOUND); 1223 } 1224 } 1225 break; 1226 } 1227 case MCS_BOUND: { 1228 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1229 if (msg.obj != null) { 1230 mContainerService = (IMediaContainerService) msg.obj; 1231 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1232 System.identityHashCode(mHandler)); 1233 } 1234 if (mContainerService == null) { 1235 if (!mBound) { 1236 // Something seriously wrong since we are not bound and we are not 1237 // waiting for connection. Bail out. 1238 Slog.e(TAG, "Cannot bind to media container service"); 1239 for (HandlerParams params : mPendingInstalls) { 1240 // Indicate service bind error 1241 params.serviceError(); 1242 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1243 System.identityHashCode(params)); 1244 if (params.traceMethod != null) { 1245 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1246 params.traceMethod, params.traceCookie); 1247 } 1248 return; 1249 } 1250 mPendingInstalls.clear(); 1251 } else { 1252 Slog.w(TAG, "Waiting to connect to media container service"); 1253 } 1254 } else if (mPendingInstalls.size() > 0) { 1255 HandlerParams params = mPendingInstalls.get(0); 1256 if (params != null) { 1257 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1258 System.identityHashCode(params)); 1259 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1260 if (params.startCopy()) { 1261 // We are done... look for more work or to 1262 // go idle. 1263 if (DEBUG_SD_INSTALL) Log.i(TAG, 1264 "Checking for more work or unbind..."); 1265 // Delete pending install 1266 if (mPendingInstalls.size() > 0) { 1267 mPendingInstalls.remove(0); 1268 } 1269 if (mPendingInstalls.size() == 0) { 1270 if (mBound) { 1271 if (DEBUG_SD_INSTALL) Log.i(TAG, 1272 "Posting delayed MCS_UNBIND"); 1273 removeMessages(MCS_UNBIND); 1274 Message ubmsg = obtainMessage(MCS_UNBIND); 1275 // Unbind after a little delay, to avoid 1276 // continual thrashing. 1277 sendMessageDelayed(ubmsg, 10000); 1278 } 1279 } else { 1280 // There are more pending requests in queue. 1281 // Just post MCS_BOUND message to trigger processing 1282 // of next pending install. 1283 if (DEBUG_SD_INSTALL) Log.i(TAG, 1284 "Posting MCS_BOUND for next work"); 1285 mHandler.sendEmptyMessage(MCS_BOUND); 1286 } 1287 } 1288 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1289 } 1290 } else { 1291 // Should never happen ideally. 1292 Slog.w(TAG, "Empty queue"); 1293 } 1294 break; 1295 } 1296 case MCS_RECONNECT: { 1297 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1298 if (mPendingInstalls.size() > 0) { 1299 if (mBound) { 1300 disconnectService(); 1301 } 1302 if (!connectToService()) { 1303 Slog.e(TAG, "Failed to bind to media container service"); 1304 for (HandlerParams params : mPendingInstalls) { 1305 // Indicate service bind error 1306 params.serviceError(); 1307 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1308 System.identityHashCode(params)); 1309 } 1310 mPendingInstalls.clear(); 1311 } 1312 } 1313 break; 1314 } 1315 case MCS_UNBIND: { 1316 // If there is no actual work left, then time to unbind. 1317 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1318 1319 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1320 if (mBound) { 1321 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1322 1323 disconnectService(); 1324 } 1325 } else if (mPendingInstalls.size() > 0) { 1326 // There are more pending requests in queue. 1327 // Just post MCS_BOUND message to trigger processing 1328 // of next pending install. 1329 mHandler.sendEmptyMessage(MCS_BOUND); 1330 } 1331 1332 break; 1333 } 1334 case MCS_GIVE_UP: { 1335 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1336 HandlerParams params = mPendingInstalls.remove(0); 1337 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1338 System.identityHashCode(params)); 1339 break; 1340 } 1341 case SEND_PENDING_BROADCAST: { 1342 String packages[]; 1343 ArrayList<String> components[]; 1344 int size = 0; 1345 int uids[]; 1346 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1347 synchronized (mPackages) { 1348 if (mPendingBroadcasts == null) { 1349 return; 1350 } 1351 size = mPendingBroadcasts.size(); 1352 if (size <= 0) { 1353 // Nothing to be done. Just return 1354 return; 1355 } 1356 packages = new String[size]; 1357 components = new ArrayList[size]; 1358 uids = new int[size]; 1359 int i = 0; // filling out the above arrays 1360 1361 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1362 int packageUserId = mPendingBroadcasts.userIdAt(n); 1363 Iterator<Map.Entry<String, ArrayList<String>>> it 1364 = mPendingBroadcasts.packagesForUserId(packageUserId) 1365 .entrySet().iterator(); 1366 while (it.hasNext() && i < size) { 1367 Map.Entry<String, ArrayList<String>> ent = it.next(); 1368 packages[i] = ent.getKey(); 1369 components[i] = ent.getValue(); 1370 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1371 uids[i] = (ps != null) 1372 ? UserHandle.getUid(packageUserId, ps.appId) 1373 : -1; 1374 i++; 1375 } 1376 } 1377 size = i; 1378 mPendingBroadcasts.clear(); 1379 } 1380 // Send broadcasts 1381 for (int i = 0; i < size; i++) { 1382 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1383 } 1384 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1385 break; 1386 } 1387 case START_CLEANING_PACKAGE: { 1388 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1389 final String packageName = (String)msg.obj; 1390 final int userId = msg.arg1; 1391 final boolean andCode = msg.arg2 != 0; 1392 synchronized (mPackages) { 1393 if (userId == UserHandle.USER_ALL) { 1394 int[] users = sUserManager.getUserIds(); 1395 for (int user : users) { 1396 mSettings.addPackageToCleanLPw( 1397 new PackageCleanItem(user, packageName, andCode)); 1398 } 1399 } else { 1400 mSettings.addPackageToCleanLPw( 1401 new PackageCleanItem(userId, packageName, andCode)); 1402 } 1403 } 1404 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1405 startCleaningPackages(); 1406 } break; 1407 case POST_INSTALL: { 1408 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1409 1410 PostInstallData data = mRunningInstalls.get(msg.arg1); 1411 final boolean didRestore = (msg.arg2 != 0); 1412 mRunningInstalls.delete(msg.arg1); 1413 1414 if (data != null) { 1415 InstallArgs args = data.args; 1416 PackageInstalledInfo parentRes = data.res; 1417 1418 final boolean grantPermissions = (args.installFlags 1419 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1420 final boolean killApp = (args.installFlags 1421 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1422 final String[] grantedPermissions = args.installGrantPermissions; 1423 1424 // Handle the parent package 1425 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1426 grantedPermissions, didRestore, args.installerPackageName, 1427 args.observer); 1428 1429 // Handle the child packages 1430 final int childCount = (parentRes.addedChildPackages != null) 1431 ? parentRes.addedChildPackages.size() : 0; 1432 for (int i = 0; i < childCount; i++) { 1433 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1434 handlePackagePostInstall(childRes, grantPermissions, killApp, 1435 grantedPermissions, false, args.installerPackageName, 1436 args.observer); 1437 } 1438 1439 // Log tracing if needed 1440 if (args.traceMethod != null) { 1441 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1442 args.traceCookie); 1443 } 1444 } else { 1445 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1446 } 1447 1448 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1449 } break; 1450 case UPDATED_MEDIA_STATUS: { 1451 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1452 boolean reportStatus = msg.arg1 == 1; 1453 boolean doGc = msg.arg2 == 1; 1454 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1455 if (doGc) { 1456 // Force a gc to clear up stale containers. 1457 Runtime.getRuntime().gc(); 1458 } 1459 if (msg.obj != null) { 1460 @SuppressWarnings("unchecked") 1461 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1462 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1463 // Unload containers 1464 unloadAllContainers(args); 1465 } 1466 if (reportStatus) { 1467 try { 1468 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1469 PackageHelper.getMountService().finishMediaUpdate(); 1470 } catch (RemoteException e) { 1471 Log.e(TAG, "MountService not running?"); 1472 } 1473 } 1474 } break; 1475 case WRITE_SETTINGS: { 1476 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1477 synchronized (mPackages) { 1478 removeMessages(WRITE_SETTINGS); 1479 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1480 mSettings.writeLPr(); 1481 mDirtyUsers.clear(); 1482 } 1483 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1484 } break; 1485 case WRITE_PACKAGE_RESTRICTIONS: { 1486 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1487 synchronized (mPackages) { 1488 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1489 for (int userId : mDirtyUsers) { 1490 mSettings.writePackageRestrictionsLPr(userId); 1491 } 1492 mDirtyUsers.clear(); 1493 } 1494 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1495 } break; 1496 case WRITE_PACKAGE_LIST: { 1497 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1498 synchronized (mPackages) { 1499 removeMessages(WRITE_PACKAGE_LIST); 1500 mSettings.writePackageListLPr(msg.arg1); 1501 } 1502 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1503 } break; 1504 case CHECK_PENDING_VERIFICATION: { 1505 final int verificationId = msg.arg1; 1506 final PackageVerificationState state = mPendingVerification.get(verificationId); 1507 1508 if ((state != null) && !state.timeoutExtended()) { 1509 final InstallArgs args = state.getInstallArgs(); 1510 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1511 1512 Slog.i(TAG, "Verification timed out for " + originUri); 1513 mPendingVerification.remove(verificationId); 1514 1515 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1516 1517 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1518 Slog.i(TAG, "Continuing with installation of " + originUri); 1519 state.setVerifierResponse(Binder.getCallingUid(), 1520 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1521 broadcastPackageVerified(verificationId, originUri, 1522 PackageManager.VERIFICATION_ALLOW, 1523 state.getInstallArgs().getUser()); 1524 try { 1525 ret = args.copyApk(mContainerService, true); 1526 } catch (RemoteException e) { 1527 Slog.e(TAG, "Could not contact the ContainerService"); 1528 } 1529 } else { 1530 broadcastPackageVerified(verificationId, originUri, 1531 PackageManager.VERIFICATION_REJECT, 1532 state.getInstallArgs().getUser()); 1533 } 1534 1535 Trace.asyncTraceEnd( 1536 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1537 1538 processPendingInstall(args, ret); 1539 mHandler.sendEmptyMessage(MCS_UNBIND); 1540 } 1541 break; 1542 } 1543 case PACKAGE_VERIFIED: { 1544 final int verificationId = msg.arg1; 1545 1546 final PackageVerificationState state = mPendingVerification.get(verificationId); 1547 if (state == null) { 1548 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1549 break; 1550 } 1551 1552 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1553 1554 state.setVerifierResponse(response.callerUid, response.code); 1555 1556 if (state.isVerificationComplete()) { 1557 mPendingVerification.remove(verificationId); 1558 1559 final InstallArgs args = state.getInstallArgs(); 1560 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1561 1562 int ret; 1563 if (state.isInstallAllowed()) { 1564 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1565 broadcastPackageVerified(verificationId, originUri, 1566 response.code, state.getInstallArgs().getUser()); 1567 try { 1568 ret = args.copyApk(mContainerService, true); 1569 } catch (RemoteException e) { 1570 Slog.e(TAG, "Could not contact the ContainerService"); 1571 } 1572 } else { 1573 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1574 } 1575 1576 Trace.asyncTraceEnd( 1577 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1578 1579 processPendingInstall(args, ret); 1580 mHandler.sendEmptyMessage(MCS_UNBIND); 1581 } 1582 1583 break; 1584 } 1585 case START_INTENT_FILTER_VERIFICATIONS: { 1586 IFVerificationParams params = (IFVerificationParams) msg.obj; 1587 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1588 params.replacing, params.pkg); 1589 break; 1590 } 1591 case INTENT_FILTER_VERIFIED: { 1592 final int verificationId = msg.arg1; 1593 1594 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1595 verificationId); 1596 if (state == null) { 1597 Slog.w(TAG, "Invalid IntentFilter verification token " 1598 + verificationId + " received"); 1599 break; 1600 } 1601 1602 final int userId = state.getUserId(); 1603 1604 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1605 "Processing IntentFilter verification with token:" 1606 + verificationId + " and userId:" + userId); 1607 1608 final IntentFilterVerificationResponse response = 1609 (IntentFilterVerificationResponse) msg.obj; 1610 1611 state.setVerifierResponse(response.callerUid, response.code); 1612 1613 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1614 "IntentFilter verification with token:" + verificationId 1615 + " and userId:" + userId 1616 + " is settings verifier response with response code:" 1617 + response.code); 1618 1619 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1620 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1621 + response.getFailedDomainsString()); 1622 } 1623 1624 if (state.isVerificationComplete()) { 1625 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1626 } else { 1627 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1628 "IntentFilter verification with token:" + verificationId 1629 + " was not said to be complete"); 1630 } 1631 1632 break; 1633 } 1634 } 1635 } 1636 } 1637 1638 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1639 boolean killApp, String[] grantedPermissions, 1640 boolean launchedForRestore, String installerPackage, 1641 IPackageInstallObserver2 installObserver) { 1642 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1643 // Send the removed broadcasts 1644 if (res.removedInfo != null) { 1645 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1646 } 1647 1648 // Now that we successfully installed the package, grant runtime 1649 // permissions if requested before broadcasting the install. Also 1650 // for legacy apps in permission review mode we clear the permission 1651 // review flag which is used to emulate runtime permissions for 1652 // legacy apps. 1653 if (grantPermissions) { 1654 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1655 } 1656 1657 final boolean update = res.removedInfo != null 1658 && res.removedInfo.removedPackage != null; 1659 1660 // If this is the first time we have child packages for a disabled privileged 1661 // app that had no children, we grant requested runtime permissions to the new 1662 // children if the parent on the system image had them already granted. 1663 if (res.pkg.parentPackage != null) { 1664 synchronized (mPackages) { 1665 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1666 } 1667 } 1668 1669 synchronized (mPackages) { 1670 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1671 } 1672 1673 final String packageName = res.pkg.applicationInfo.packageName; 1674 Bundle extras = new Bundle(1); 1675 extras.putInt(Intent.EXTRA_UID, res.uid); 1676 1677 // Determine the set of users who are adding this package for 1678 // the first time vs. those who are seeing an update. 1679 int[] firstUsers = EMPTY_INT_ARRAY; 1680 int[] updateUsers = EMPTY_INT_ARRAY; 1681 if (res.origUsers == null || res.origUsers.length == 0) { 1682 firstUsers = res.newUsers; 1683 } else { 1684 for (int newUser : res.newUsers) { 1685 boolean isNew = true; 1686 for (int origUser : res.origUsers) { 1687 if (origUser == newUser) { 1688 isNew = false; 1689 break; 1690 } 1691 } 1692 if (isNew) { 1693 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1694 } else { 1695 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1696 } 1697 } 1698 } 1699 1700 // Send installed broadcasts if the install/update is not ephemeral 1701 if (!isEphemeral(res.pkg)) { 1702 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1703 1704 // Send added for users that see the package for the first time 1705 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1706 extras, 0 /*flags*/, null /*targetPackage*/, 1707 null /*finishedReceiver*/, firstUsers); 1708 1709 // Send added for users that don't see the package for the first time 1710 if (update) { 1711 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1712 } 1713 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1714 extras, 0 /*flags*/, null /*targetPackage*/, 1715 null /*finishedReceiver*/, updateUsers); 1716 1717 // Send replaced for users that don't see the package for the first time 1718 if (update) { 1719 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1720 packageName, extras, 0 /*flags*/, 1721 null /*targetPackage*/, null /*finishedReceiver*/, 1722 updateUsers); 1723 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1724 null /*package*/, null /*extras*/, 0 /*flags*/, 1725 packageName /*targetPackage*/, 1726 null /*finishedReceiver*/, updateUsers); 1727 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1728 // First-install and we did a restore, so we're responsible for the 1729 // first-launch broadcast. 1730 if (DEBUG_BACKUP) { 1731 Slog.i(TAG, "Post-restore of " + packageName 1732 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1733 } 1734 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1735 } 1736 1737 // Send broadcast package appeared if forward locked/external for all users 1738 // treat asec-hosted packages like removable media on upgrade 1739 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1740 if (DEBUG_INSTALL) { 1741 Slog.i(TAG, "upgrading pkg " + res.pkg 1742 + " is ASEC-hosted -> AVAILABLE"); 1743 } 1744 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1745 ArrayList<String> pkgList = new ArrayList<>(1); 1746 pkgList.add(packageName); 1747 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1748 } 1749 } 1750 1751 // Work that needs to happen on first install within each user 1752 if (firstUsers != null && firstUsers.length > 0) { 1753 synchronized (mPackages) { 1754 for (int userId : firstUsers) { 1755 // If this app is a browser and it's newly-installed for some 1756 // users, clear any default-browser state in those users. The 1757 // app's nature doesn't depend on the user, so we can just check 1758 // its browser nature in any user and generalize. 1759 if (packageIsBrowser(packageName, userId)) { 1760 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1761 } 1762 1763 // We may also need to apply pending (restored) runtime 1764 // permission grants within these users. 1765 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1766 } 1767 } 1768 } 1769 1770 // Log current value of "unknown sources" setting 1771 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1772 getUnknownSourcesSettings()); 1773 1774 // Force a gc to clear up things 1775 Runtime.getRuntime().gc(); 1776 1777 // Remove the replaced package's older resources safely now 1778 // We delete after a gc for applications on sdcard. 1779 if (res.removedInfo != null && res.removedInfo.args != null) { 1780 synchronized (mInstallLock) { 1781 res.removedInfo.args.doPostDeleteLI(true); 1782 } 1783 } 1784 } 1785 1786 // If someone is watching installs - notify them 1787 if (installObserver != null) { 1788 try { 1789 Bundle extras = extrasForInstallResult(res); 1790 installObserver.onPackageInstalled(res.name, res.returnCode, 1791 res.returnMsg, extras); 1792 } catch (RemoteException e) { 1793 Slog.i(TAG, "Observer no longer exists."); 1794 } 1795 } 1796 } 1797 1798 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1799 PackageParser.Package pkg) { 1800 if (pkg.parentPackage == null) { 1801 return; 1802 } 1803 if (pkg.requestedPermissions == null) { 1804 return; 1805 } 1806 final PackageSetting disabledSysParentPs = mSettings 1807 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1808 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1809 || !disabledSysParentPs.isPrivileged() 1810 || (disabledSysParentPs.childPackageNames != null 1811 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1812 return; 1813 } 1814 final int[] allUserIds = sUserManager.getUserIds(); 1815 final int permCount = pkg.requestedPermissions.size(); 1816 for (int i = 0; i < permCount; i++) { 1817 String permission = pkg.requestedPermissions.get(i); 1818 BasePermission bp = mSettings.mPermissions.get(permission); 1819 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1820 continue; 1821 } 1822 for (int userId : allUserIds) { 1823 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1824 permission, userId)) { 1825 grantRuntimePermission(pkg.packageName, permission, userId); 1826 } 1827 } 1828 } 1829 } 1830 1831 private StorageEventListener mStorageListener = new StorageEventListener() { 1832 @Override 1833 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1834 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1835 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1836 final String volumeUuid = vol.getFsUuid(); 1837 1838 // Clean up any users or apps that were removed or recreated 1839 // while this volume was missing 1840 reconcileUsers(volumeUuid); 1841 reconcileApps(volumeUuid); 1842 1843 // Clean up any install sessions that expired or were 1844 // cancelled while this volume was missing 1845 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1846 1847 loadPrivatePackages(vol); 1848 1849 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1850 unloadPrivatePackages(vol); 1851 } 1852 } 1853 1854 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1855 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1856 updateExternalMediaStatus(true, false); 1857 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1858 updateExternalMediaStatus(false, false); 1859 } 1860 } 1861 } 1862 1863 @Override 1864 public void onVolumeForgotten(String fsUuid) { 1865 if (TextUtils.isEmpty(fsUuid)) { 1866 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1867 return; 1868 } 1869 1870 // Remove any apps installed on the forgotten volume 1871 synchronized (mPackages) { 1872 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1873 for (PackageSetting ps : packages) { 1874 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1875 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1876 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1877 } 1878 1879 mSettings.onVolumeForgotten(fsUuid); 1880 mSettings.writeLPr(); 1881 } 1882 } 1883 }; 1884 1885 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1886 String[] grantedPermissions) { 1887 for (int userId : userIds) { 1888 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1889 } 1890 } 1891 1892 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1893 String[] grantedPermissions) { 1894 SettingBase sb = (SettingBase) pkg.mExtras; 1895 if (sb == null) { 1896 return; 1897 } 1898 1899 PermissionsState permissionsState = sb.getPermissionsState(); 1900 1901 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1902 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1903 1904 final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 1905 >= Build.VERSION_CODES.M; 1906 1907 for (String permission : pkg.requestedPermissions) { 1908 final BasePermission bp; 1909 synchronized (mPackages) { 1910 bp = mSettings.mPermissions.get(permission); 1911 } 1912 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1913 && (grantedPermissions == null 1914 || ArrayUtils.contains(grantedPermissions, permission))) { 1915 final int flags = permissionsState.getPermissionFlags(permission, userId); 1916 if (supportsRuntimePermissions) { 1917 // Installer cannot change immutable permissions. 1918 if ((flags & immutableFlags) == 0) { 1919 grantRuntimePermission(pkg.packageName, permission, userId); 1920 } 1921 } else if (mPermissionReviewRequired) { 1922 // In permission review mode we clear the review flag when we 1923 // are asked to install the app with all permissions granted. 1924 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 1925 updatePermissionFlags(permission, pkg.packageName, 1926 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0 /*value*/, userId); 1927 } 1928 } 1929 } 1930 } 1931 } 1932 1933 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1934 Bundle extras = null; 1935 switch (res.returnCode) { 1936 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1937 extras = new Bundle(); 1938 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1939 res.origPermission); 1940 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1941 res.origPackage); 1942 break; 1943 } 1944 case PackageManager.INSTALL_SUCCEEDED: { 1945 extras = new Bundle(); 1946 extras.putBoolean(Intent.EXTRA_REPLACING, 1947 res.removedInfo != null && res.removedInfo.removedPackage != null); 1948 break; 1949 } 1950 } 1951 return extras; 1952 } 1953 1954 void scheduleWriteSettingsLocked() { 1955 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1956 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1957 } 1958 } 1959 1960 void scheduleWritePackageListLocked(int userId) { 1961 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1962 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1963 msg.arg1 = userId; 1964 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1965 } 1966 } 1967 1968 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1969 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1970 scheduleWritePackageRestrictionsLocked(userId); 1971 } 1972 1973 void scheduleWritePackageRestrictionsLocked(int userId) { 1974 final int[] userIds = (userId == UserHandle.USER_ALL) 1975 ? sUserManager.getUserIds() : new int[]{userId}; 1976 for (int nextUserId : userIds) { 1977 if (!sUserManager.exists(nextUserId)) return; 1978 mDirtyUsers.add(nextUserId); 1979 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1980 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1981 } 1982 } 1983 } 1984 1985 public static PackageManagerService main(Context context, Installer installer, 1986 boolean factoryTest, boolean onlyCore) { 1987 // Self-check for initial settings. 1988 PackageManagerServiceCompilerMapping.checkProperties(); 1989 1990 PackageManagerService m = new PackageManagerService(context, installer, 1991 factoryTest, onlyCore); 1992 m.enableSystemUserPackages(); 1993 ServiceManager.addService("package", m); 1994 return m; 1995 } 1996 1997 private void enableSystemUserPackages() { 1998 if (!UserManager.isSplitSystemUser()) { 1999 return; 2000 } 2001 // For system user, enable apps based on the following conditions: 2002 // - app is whitelisted or belong to one of these groups: 2003 // -- system app which has no launcher icons 2004 // -- system app which has INTERACT_ACROSS_USERS permission 2005 // -- system IME app 2006 // - app is not in the blacklist 2007 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2008 Set<String> enableApps = new ArraySet<>(); 2009 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2010 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2011 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2012 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2013 enableApps.addAll(wlApps); 2014 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2015 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2016 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2017 enableApps.removeAll(blApps); 2018 Log.i(TAG, "Applications installed for system user: " + enableApps); 2019 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2020 UserHandle.SYSTEM); 2021 final int allAppsSize = allAps.size(); 2022 synchronized (mPackages) { 2023 for (int i = 0; i < allAppsSize; i++) { 2024 String pName = allAps.get(i); 2025 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2026 // Should not happen, but we shouldn't be failing if it does 2027 if (pkgSetting == null) { 2028 continue; 2029 } 2030 boolean install = enableApps.contains(pName); 2031 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2032 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2033 + " for system user"); 2034 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2035 } 2036 } 2037 } 2038 } 2039 2040 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2041 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2042 Context.DISPLAY_SERVICE); 2043 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2044 } 2045 2046 /** 2047 * Requests that files preopted on a secondary system partition be copied to the data partition 2048 * if possible. Note that the actual copying of the files is accomplished by init for security 2049 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2050 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2051 */ 2052 private static void requestCopyPreoptedFiles() { 2053 final int WAIT_TIME_MS = 100; 2054 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2055 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2056 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2057 // We will wait for up to 100 seconds. 2058 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2059 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2060 try { 2061 Thread.sleep(WAIT_TIME_MS); 2062 } catch (InterruptedException e) { 2063 // Do nothing 2064 } 2065 if (SystemClock.uptimeMillis() > timeEnd) { 2066 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2067 Slog.wtf(TAG, "cppreopt did not finish!"); 2068 break; 2069 } 2070 } 2071 } 2072 } 2073 2074 public PackageManagerService(Context context, Installer installer, 2075 boolean factoryTest, boolean onlyCore) { 2076 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2077 SystemClock.uptimeMillis()); 2078 2079 if (mSdkVersion <= 0) { 2080 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2081 } 2082 2083 mContext = context; 2084 2085 mPermissionReviewRequired = context.getResources().getBoolean( 2086 R.bool.config_permissionReviewRequired); 2087 2088 mFactoryTest = factoryTest; 2089 mOnlyCore = onlyCore; 2090 mMetrics = new DisplayMetrics(); 2091 mSettings = new Settings(mPackages); 2092 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2093 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2094 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2095 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2096 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2097 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2098 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2099 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2100 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2101 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2102 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2103 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2104 2105 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2106 if (separateProcesses != null && separateProcesses.length() > 0) { 2107 if ("*".equals(separateProcesses)) { 2108 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2109 mSeparateProcesses = null; 2110 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2111 } else { 2112 mDefParseFlags = 0; 2113 mSeparateProcesses = separateProcesses.split(","); 2114 Slog.w(TAG, "Running with debug.separate_processes: " 2115 + separateProcesses); 2116 } 2117 } else { 2118 mDefParseFlags = 0; 2119 mSeparateProcesses = null; 2120 } 2121 2122 mInstaller = installer; 2123 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2124 "*dexopt*"); 2125 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2126 2127 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2128 FgThread.get().getLooper()); 2129 2130 getDefaultDisplayMetrics(context, mMetrics); 2131 2132 SystemConfig systemConfig = SystemConfig.getInstance(); 2133 mGlobalGids = systemConfig.getGlobalGids(); 2134 mSystemPermissions = systemConfig.getSystemPermissions(); 2135 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2136 2137 mProtectedPackages = new ProtectedPackages(mContext); 2138 2139 synchronized (mInstallLock) { 2140 // writer 2141 synchronized (mPackages) { 2142 mHandlerThread = new ServiceThread(TAG, 2143 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2144 mHandlerThread.start(); 2145 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2146 mProcessLoggingHandler = new ProcessLoggingHandler(); 2147 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2148 2149 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2150 2151 File dataDir = Environment.getDataDirectory(); 2152 mAppInstallDir = new File(dataDir, "app"); 2153 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2154 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2155 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2156 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2157 2158 sUserManager = new UserManagerService(context, this, mPackages); 2159 2160 // Propagate permission configuration in to package manager. 2161 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2162 = systemConfig.getPermissions(); 2163 for (int i=0; i<permConfig.size(); i++) { 2164 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2165 BasePermission bp = mSettings.mPermissions.get(perm.name); 2166 if (bp == null) { 2167 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2168 mSettings.mPermissions.put(perm.name, bp); 2169 } 2170 if (perm.gids != null) { 2171 bp.setGids(perm.gids, perm.perUser); 2172 } 2173 } 2174 2175 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2176 for (int i=0; i<libConfig.size(); i++) { 2177 mSharedLibraries.put(libConfig.keyAt(i), 2178 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2179 } 2180 2181 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2182 2183 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2184 2185 // Clean up orphaned packages for which the code path doesn't exist 2186 // and they are an update to a system app - caused by bug/32321269 2187 final int packageSettingCount = mSettings.mPackages.size(); 2188 for (int i = packageSettingCount - 1; i >= 0; i--) { 2189 PackageSetting ps = mSettings.mPackages.valueAt(i); 2190 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2191 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2192 mSettings.mPackages.removeAt(i); 2193 mSettings.enableSystemPackageLPw(ps.name); 2194 } 2195 } 2196 2197 if (mFirstBoot) { 2198 requestCopyPreoptedFiles(); 2199 } 2200 2201 String customResolverActivity = Resources.getSystem().getString( 2202 R.string.config_customResolverActivity); 2203 if (TextUtils.isEmpty(customResolverActivity)) { 2204 customResolverActivity = null; 2205 } else { 2206 mCustomResolverComponentName = ComponentName.unflattenFromString( 2207 customResolverActivity); 2208 } 2209 2210 long startTime = SystemClock.uptimeMillis(); 2211 2212 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2213 startTime); 2214 2215 // Set flag to monitor and not change apk file paths when 2216 // scanning install directories. 2217 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2218 2219 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2220 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2221 2222 if (bootClassPath == null) { 2223 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2224 } 2225 2226 if (systemServerClassPath == null) { 2227 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2228 } 2229 2230 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2231 final String[] dexCodeInstructionSets = 2232 getDexCodeInstructionSets( 2233 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2234 2235 /** 2236 * Ensure all external libraries have had dexopt run on them. 2237 */ 2238 if (mSharedLibraries.size() > 0) { 2239 // NOTE: For now, we're compiling these system "shared libraries" 2240 // (and framework jars) into all available architectures. It's possible 2241 // to compile them only when we come across an app that uses them (there's 2242 // already logic for that in scanPackageLI) but that adds some complexity. 2243 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2244 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2245 final String lib = libEntry.path; 2246 if (lib == null) { 2247 continue; 2248 } 2249 2250 try { 2251 // Shared libraries do not have profiles so we perform a full 2252 // AOT compilation (if needed). 2253 int dexoptNeeded = DexFile.getDexOptNeeded( 2254 lib, dexCodeInstructionSet, 2255 getCompilerFilterForReason(REASON_SHARED_APK), 2256 false /* newProfile */); 2257 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2258 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2259 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2260 getCompilerFilterForReason(REASON_SHARED_APK), 2261 StorageManager.UUID_PRIVATE_INTERNAL, 2262 SKIP_SHARED_LIBRARY_CHECK); 2263 } 2264 } catch (FileNotFoundException e) { 2265 Slog.w(TAG, "Library not found: " + lib); 2266 } catch (IOException | InstallerException e) { 2267 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2268 + e.getMessage()); 2269 } 2270 } 2271 } 2272 } 2273 2274 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2275 2276 final VersionInfo ver = mSettings.getInternalVersion(); 2277 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2278 2279 // when upgrading from pre-M, promote system app permissions from install to runtime 2280 mPromoteSystemApps = 2281 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2282 2283 // When upgrading from pre-N, we need to handle package extraction like first boot, 2284 // as there is no profiling data available. 2285 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2286 2287 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2288 2289 // save off the names of pre-existing system packages prior to scanning; we don't 2290 // want to automatically grant runtime permissions for new system apps 2291 if (mPromoteSystemApps) { 2292 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2293 while (pkgSettingIter.hasNext()) { 2294 PackageSetting ps = pkgSettingIter.next(); 2295 if (isSystemApp(ps)) { 2296 mExistingSystemPackages.add(ps.name); 2297 } 2298 } 2299 } 2300 2301 // Collect vendor overlay packages. (Do this before scanning any apps.) 2302 // For security and version matching reason, only consider 2303 // overlay packages if they reside in the right directory. 2304 String overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PROPERTY); 2305 if (!overlayThemeDir.isEmpty()) { 2306 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlayThemeDir), mDefParseFlags 2307 | PackageParser.PARSE_IS_SYSTEM 2308 | PackageParser.PARSE_IS_SYSTEM_DIR 2309 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2310 } 2311 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2312 | PackageParser.PARSE_IS_SYSTEM 2313 | PackageParser.PARSE_IS_SYSTEM_DIR 2314 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2315 2316 // Find base frameworks (resource packages without code). 2317 scanDirTracedLI(frameworkDir, mDefParseFlags 2318 | PackageParser.PARSE_IS_SYSTEM 2319 | PackageParser.PARSE_IS_SYSTEM_DIR 2320 | PackageParser.PARSE_IS_PRIVILEGED, 2321 scanFlags | SCAN_NO_DEX, 0); 2322 2323 // Collected privileged system packages. 2324 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2325 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2326 | PackageParser.PARSE_IS_SYSTEM 2327 | PackageParser.PARSE_IS_SYSTEM_DIR 2328 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2329 2330 // Collect ordinary system packages. 2331 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2332 scanDirTracedLI(systemAppDir, mDefParseFlags 2333 | PackageParser.PARSE_IS_SYSTEM 2334 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2335 2336 // Collect all vendor packages. 2337 File vendorAppDir = new File("/vendor/app"); 2338 try { 2339 vendorAppDir = vendorAppDir.getCanonicalFile(); 2340 } catch (IOException e) { 2341 // failed to look up canonical path, continue with original one 2342 } 2343 scanDirTracedLI(vendorAppDir, mDefParseFlags 2344 | PackageParser.PARSE_IS_SYSTEM 2345 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2346 2347 // Collect all OEM packages. 2348 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2349 scanDirTracedLI(oemAppDir, mDefParseFlags 2350 | PackageParser.PARSE_IS_SYSTEM 2351 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2352 2353 // Prune any system packages that no longer exist. 2354 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2355 if (!mOnlyCore) { 2356 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2357 while (psit.hasNext()) { 2358 PackageSetting ps = psit.next(); 2359 2360 /* 2361 * If this is not a system app, it can't be a 2362 * disable system app. 2363 */ 2364 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2365 continue; 2366 } 2367 2368 /* 2369 * If the package is scanned, it's not erased. 2370 */ 2371 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2372 if (scannedPkg != null) { 2373 /* 2374 * If the system app is both scanned and in the 2375 * disabled packages list, then it must have been 2376 * added via OTA. Remove it from the currently 2377 * scanned package so the previously user-installed 2378 * application can be scanned. 2379 */ 2380 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2381 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2382 + ps.name + "; removing system app. Last known codePath=" 2383 + ps.codePathString + ", installStatus=" + ps.installStatus 2384 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2385 + scannedPkg.mVersionCode); 2386 removePackageLI(scannedPkg, true); 2387 mExpectingBetter.put(ps.name, ps.codePath); 2388 } 2389 2390 continue; 2391 } 2392 2393 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2394 psit.remove(); 2395 logCriticalInfo(Log.WARN, "System package " + ps.name 2396 + " no longer exists; it's data will be wiped"); 2397 // Actual deletion of code and data will be handled by later 2398 // reconciliation step 2399 } else { 2400 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2401 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2402 possiblyDeletedUpdatedSystemApps.add(ps.name); 2403 } 2404 } 2405 } 2406 } 2407 2408 //look for any incomplete package installations 2409 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2410 for (int i = 0; i < deletePkgsList.size(); i++) { 2411 // Actual deletion of code and data will be handled by later 2412 // reconciliation step 2413 final String packageName = deletePkgsList.get(i).name; 2414 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2415 synchronized (mPackages) { 2416 mSettings.removePackageLPw(packageName); 2417 } 2418 } 2419 2420 //delete tmp files 2421 deleteTempPackageFiles(); 2422 2423 // Remove any shared userIDs that have no associated packages 2424 mSettings.pruneSharedUsersLPw(); 2425 2426 if (!mOnlyCore) { 2427 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2428 SystemClock.uptimeMillis()); 2429 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2430 2431 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2432 | PackageParser.PARSE_FORWARD_LOCK, 2433 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2434 2435 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2436 | PackageParser.PARSE_IS_EPHEMERAL, 2437 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2438 2439 /** 2440 * Remove disable package settings for any updated system 2441 * apps that were removed via an OTA. If they're not a 2442 * previously-updated app, remove them completely. 2443 * Otherwise, just revoke their system-level permissions. 2444 */ 2445 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2446 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2447 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2448 2449 String msg; 2450 if (deletedPkg == null) { 2451 msg = "Updated system package " + deletedAppName 2452 + " no longer exists; it's data will be wiped"; 2453 // Actual deletion of code and data will be handled by later 2454 // reconciliation step 2455 } else { 2456 msg = "Updated system app + " + deletedAppName 2457 + " no longer present; removing system privileges for " 2458 + deletedAppName; 2459 2460 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2461 2462 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2463 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2464 } 2465 logCriticalInfo(Log.WARN, msg); 2466 } 2467 2468 /** 2469 * Make sure all system apps that we expected to appear on 2470 * the userdata partition actually showed up. If they never 2471 * appeared, crawl back and revive the system version. 2472 */ 2473 for (int i = 0; i < mExpectingBetter.size(); i++) { 2474 final String packageName = mExpectingBetter.keyAt(i); 2475 if (!mPackages.containsKey(packageName)) { 2476 final File scanFile = mExpectingBetter.valueAt(i); 2477 2478 logCriticalInfo(Log.WARN, "Expected better " + packageName 2479 + " but never showed up; reverting to system"); 2480 2481 int reparseFlags = mDefParseFlags; 2482 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2483 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2484 | PackageParser.PARSE_IS_SYSTEM_DIR 2485 | PackageParser.PARSE_IS_PRIVILEGED; 2486 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2487 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2488 | PackageParser.PARSE_IS_SYSTEM_DIR; 2489 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2490 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2491 | PackageParser.PARSE_IS_SYSTEM_DIR; 2492 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2493 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2494 | PackageParser.PARSE_IS_SYSTEM_DIR; 2495 } else { 2496 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2497 continue; 2498 } 2499 2500 mSettings.enableSystemPackageLPw(packageName); 2501 2502 try { 2503 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2504 } catch (PackageManagerException e) { 2505 Slog.e(TAG, "Failed to parse original system package: " 2506 + e.getMessage()); 2507 } 2508 } 2509 } 2510 } 2511 mExpectingBetter.clear(); 2512 2513 // Resolve the storage manager. 2514 mStorageManagerPackage = getStorageManagerPackageName(); 2515 2516 // Resolve protected action filters. Only the setup wizard is allowed to 2517 // have a high priority filter for these actions. 2518 mSetupWizardPackage = getSetupWizardPackageName(); 2519 if (mProtectedFilters.size() > 0) { 2520 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2521 Slog.i(TAG, "No setup wizard;" 2522 + " All protected intents capped to priority 0"); 2523 } 2524 for (ActivityIntentInfo filter : mProtectedFilters) { 2525 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2526 if (DEBUG_FILTERS) { 2527 Slog.i(TAG, "Found setup wizard;" 2528 + " allow priority " + filter.getPriority() + ";" 2529 + " package: " + filter.activity.info.packageName 2530 + " activity: " + filter.activity.className 2531 + " priority: " + filter.getPriority()); 2532 } 2533 // skip setup wizard; allow it to keep the high priority filter 2534 continue; 2535 } 2536 Slog.w(TAG, "Protected action; cap priority to 0;" 2537 + " package: " + filter.activity.info.packageName 2538 + " activity: " + filter.activity.className 2539 + " origPrio: " + filter.getPriority()); 2540 filter.setPriority(0); 2541 } 2542 } 2543 mDeferProtectedFilters = false; 2544 mProtectedFilters.clear(); 2545 2546 // Now that we know all of the shared libraries, update all clients to have 2547 // the correct library paths. 2548 updateAllSharedLibrariesLPw(); 2549 2550 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2551 // NOTE: We ignore potential failures here during a system scan (like 2552 // the rest of the commands above) because there's precious little we 2553 // can do about it. A settings error is reported, though. 2554 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2555 false /* boot complete */); 2556 } 2557 2558 // Now that we know all the packages we are keeping, 2559 // read and update their last usage times. 2560 mPackageUsage.read(mPackages); 2561 mCompilerStats.read(); 2562 2563 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2564 SystemClock.uptimeMillis()); 2565 Slog.i(TAG, "Time to scan packages: " 2566 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2567 + " seconds"); 2568 2569 // If the platform SDK has changed since the last time we booted, 2570 // we need to re-grant app permission to catch any new ones that 2571 // appear. This is really a hack, and means that apps can in some 2572 // cases get permissions that the user didn't initially explicitly 2573 // allow... it would be nice to have some better way to handle 2574 // this situation. 2575 int updateFlags = UPDATE_PERMISSIONS_ALL; 2576 if (ver.sdkVersion != mSdkVersion) { 2577 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2578 + mSdkVersion + "; regranting permissions for internal storage"); 2579 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2580 } 2581 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2582 ver.sdkVersion = mSdkVersion; 2583 2584 // If this is the first boot or an update from pre-M, and it is a normal 2585 // boot, then we need to initialize the default preferred apps across 2586 // all defined users. 2587 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2588 for (UserInfo user : sUserManager.getUsers(true)) { 2589 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2590 applyFactoryDefaultBrowserLPw(user.id); 2591 primeDomainVerificationsLPw(user.id); 2592 } 2593 } 2594 2595 // Prepare storage for system user really early during boot, 2596 // since core system apps like SettingsProvider and SystemUI 2597 // can't wait for user to start 2598 final int storageFlags; 2599 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2600 storageFlags = StorageManager.FLAG_STORAGE_DE; 2601 } else { 2602 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2603 } 2604 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2605 storageFlags); 2606 2607 // If this is first boot after an OTA, and a normal boot, then 2608 // we need to clear code cache directories. 2609 // Note that we do *not* clear the application profiles. These remain valid 2610 // across OTAs and are used to drive profile verification (post OTA) and 2611 // profile compilation (without waiting to collect a fresh set of profiles). 2612 if (mIsUpgrade && !onlyCore) { 2613 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2614 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2615 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2616 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2617 // No apps are running this early, so no need to freeze 2618 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2619 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2620 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2621 } 2622 } 2623 ver.fingerprint = Build.FINGERPRINT; 2624 } 2625 2626 checkDefaultBrowser(); 2627 2628 // clear only after permissions and other defaults have been updated 2629 mExistingSystemPackages.clear(); 2630 mPromoteSystemApps = false; 2631 2632 // All the changes are done during package scanning. 2633 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2634 2635 // can downgrade to reader 2636 mSettings.writeLPr(); 2637 2638 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2639 // early on (before the package manager declares itself as early) because other 2640 // components in the system server might ask for package contexts for these apps. 2641 // 2642 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2643 // (i.e, that the data partition is unavailable). 2644 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2645 long start = System.nanoTime(); 2646 List<PackageParser.Package> coreApps = new ArrayList<>(); 2647 for (PackageParser.Package pkg : mPackages.values()) { 2648 if (pkg.coreApp) { 2649 coreApps.add(pkg); 2650 } 2651 } 2652 2653 int[] stats = performDexOptUpgrade(coreApps, false, 2654 getCompilerFilterForReason(REASON_CORE_APP)); 2655 2656 final int elapsedTimeSeconds = 2657 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2658 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2659 2660 if (DEBUG_DEXOPT) { 2661 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2662 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2663 } 2664 2665 2666 // TODO: Should we log these stats to tron too ? 2667 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2668 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2669 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2670 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2671 } 2672 2673 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2674 SystemClock.uptimeMillis()); 2675 2676 if (!mOnlyCore) { 2677 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2678 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2679 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2680 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2681 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2682 mIntentFilterVerifierComponent); 2683 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2684 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2685 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2686 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2687 } else { 2688 mRequiredVerifierPackage = null; 2689 mRequiredInstallerPackage = null; 2690 mRequiredUninstallerPackage = null; 2691 mIntentFilterVerifierComponent = null; 2692 mIntentFilterVerifier = null; 2693 mServicesSystemSharedLibraryPackageName = null; 2694 mSharedSystemSharedLibraryPackageName = null; 2695 } 2696 2697 mInstallerService = new PackageInstallerService(context, this); 2698 2699 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2700 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2701 // both the installer and resolver must be present to enable ephemeral 2702 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2703 if (DEBUG_EPHEMERAL) { 2704 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2705 + " installer:" + ephemeralInstallerComponent); 2706 } 2707 mEphemeralResolverComponent = ephemeralResolverComponent; 2708 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2709 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2710 mEphemeralResolverConnection = 2711 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2712 } else { 2713 if (DEBUG_EPHEMERAL) { 2714 final String missingComponent = 2715 (ephemeralResolverComponent == null) 2716 ? (ephemeralInstallerComponent == null) 2717 ? "resolver and installer" 2718 : "resolver" 2719 : "installer"; 2720 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2721 } 2722 mEphemeralResolverComponent = null; 2723 mEphemeralInstallerComponent = null; 2724 mEphemeralResolverConnection = null; 2725 } 2726 2727 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2728 } // synchronized (mPackages) 2729 } // synchronized (mInstallLock) 2730 2731 // Now after opening every single application zip, make sure they 2732 // are all flushed. Not really needed, but keeps things nice and 2733 // tidy. 2734 Runtime.getRuntime().gc(); 2735 2736 // The initial scanning above does many calls into installd while 2737 // holding the mPackages lock, but we're mostly interested in yelling 2738 // once we have a booted system. 2739 mInstaller.setWarnIfHeld(mPackages); 2740 2741 // Expose private service for system components to use. 2742 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2743 } 2744 2745 @Override 2746 public boolean isFirstBoot() { 2747 return mFirstBoot; 2748 } 2749 2750 @Override 2751 public boolean isOnlyCoreApps() { 2752 return mOnlyCore; 2753 } 2754 2755 @Override 2756 public boolean isUpgrade() { 2757 return mIsUpgrade; 2758 } 2759 2760 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2761 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2762 2763 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2764 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2765 UserHandle.USER_SYSTEM); 2766 if (matches.size() == 1) { 2767 return matches.get(0).getComponentInfo().packageName; 2768 } else if (matches.size() == 0) { 2769 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2770 return null; 2771 } 2772 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2773 } 2774 2775 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2776 synchronized (mPackages) { 2777 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2778 if (libraryEntry == null) { 2779 throw new IllegalStateException("Missing required shared library:" + libraryName); 2780 } 2781 return libraryEntry.apk; 2782 } 2783 } 2784 2785 private @NonNull String getRequiredInstallerLPr() { 2786 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2787 intent.addCategory(Intent.CATEGORY_DEFAULT); 2788 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2789 2790 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2791 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2792 UserHandle.USER_SYSTEM); 2793 if (matches.size() == 1) { 2794 ResolveInfo resolveInfo = matches.get(0); 2795 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2796 throw new RuntimeException("The installer must be a privileged app"); 2797 } 2798 return matches.get(0).getComponentInfo().packageName; 2799 } else { 2800 throw new RuntimeException("There must be exactly one installer; found " + matches); 2801 } 2802 } 2803 2804 private @NonNull String getRequiredUninstallerLPr() { 2805 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2806 intent.addCategory(Intent.CATEGORY_DEFAULT); 2807 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2808 2809 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2810 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2811 UserHandle.USER_SYSTEM); 2812 if (resolveInfo == null || 2813 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2814 throw new RuntimeException("There must be exactly one uninstaller; found " 2815 + resolveInfo); 2816 } 2817 return resolveInfo.getComponentInfo().packageName; 2818 } 2819 2820 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2821 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2822 2823 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2824 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2825 UserHandle.USER_SYSTEM); 2826 ResolveInfo best = null; 2827 final int N = matches.size(); 2828 for (int i = 0; i < N; i++) { 2829 final ResolveInfo cur = matches.get(i); 2830 final String packageName = cur.getComponentInfo().packageName; 2831 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2832 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2833 continue; 2834 } 2835 2836 if (best == null || cur.priority > best.priority) { 2837 best = cur; 2838 } 2839 } 2840 2841 if (best != null) { 2842 return best.getComponentInfo().getComponentName(); 2843 } else { 2844 throw new RuntimeException("There must be at least one intent filter verifier"); 2845 } 2846 } 2847 2848 private @Nullable ComponentName getEphemeralResolverLPr() { 2849 final String[] packageArray = 2850 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2851 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2852 if (DEBUG_EPHEMERAL) { 2853 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2854 } 2855 return null; 2856 } 2857 2858 final int resolveFlags = 2859 MATCH_DIRECT_BOOT_AWARE 2860 | MATCH_DIRECT_BOOT_UNAWARE 2861 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2862 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2863 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2864 resolveFlags, UserHandle.USER_SYSTEM); 2865 2866 final int N = resolvers.size(); 2867 if (N == 0) { 2868 if (DEBUG_EPHEMERAL) { 2869 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2870 } 2871 return null; 2872 } 2873 2874 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2875 for (int i = 0; i < N; i++) { 2876 final ResolveInfo info = resolvers.get(i); 2877 2878 if (info.serviceInfo == null) { 2879 continue; 2880 } 2881 2882 final String packageName = info.serviceInfo.packageName; 2883 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2884 if (DEBUG_EPHEMERAL) { 2885 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2886 + " pkg: " + packageName + ", info:" + info); 2887 } 2888 continue; 2889 } 2890 2891 if (DEBUG_EPHEMERAL) { 2892 Slog.v(TAG, "Ephemeral resolver found;" 2893 + " pkg: " + packageName + ", info:" + info); 2894 } 2895 return new ComponentName(packageName, info.serviceInfo.name); 2896 } 2897 if (DEBUG_EPHEMERAL) { 2898 Slog.v(TAG, "Ephemeral resolver NOT found"); 2899 } 2900 return null; 2901 } 2902 2903 private @Nullable ComponentName getEphemeralInstallerLPr() { 2904 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2905 intent.addCategory(Intent.CATEGORY_DEFAULT); 2906 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2907 2908 final int resolveFlags = 2909 MATCH_DIRECT_BOOT_AWARE 2910 | MATCH_DIRECT_BOOT_UNAWARE 2911 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2912 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2913 resolveFlags, UserHandle.USER_SYSTEM); 2914 if (matches.size() == 0) { 2915 return null; 2916 } else if (matches.size() == 1) { 2917 return matches.get(0).getComponentInfo().getComponentName(); 2918 } else { 2919 throw new RuntimeException( 2920 "There must be at most one ephemeral installer; found " + matches); 2921 } 2922 } 2923 2924 private void primeDomainVerificationsLPw(int userId) { 2925 if (DEBUG_DOMAIN_VERIFICATION) { 2926 Slog.d(TAG, "Priming domain verifications in user " + userId); 2927 } 2928 2929 SystemConfig systemConfig = SystemConfig.getInstance(); 2930 ArraySet<String> packages = systemConfig.getLinkedApps(); 2931 ArraySet<String> domains = new ArraySet<String>(); 2932 2933 for (String packageName : packages) { 2934 PackageParser.Package pkg = mPackages.get(packageName); 2935 if (pkg != null) { 2936 if (!pkg.isSystemApp()) { 2937 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2938 continue; 2939 } 2940 2941 domains.clear(); 2942 for (PackageParser.Activity a : pkg.activities) { 2943 for (ActivityIntentInfo filter : a.intents) { 2944 if (hasValidDomains(filter)) { 2945 domains.addAll(filter.getHostsList()); 2946 } 2947 } 2948 } 2949 2950 if (domains.size() > 0) { 2951 if (DEBUG_DOMAIN_VERIFICATION) { 2952 Slog.v(TAG, " + " + packageName); 2953 } 2954 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2955 // state w.r.t. the formal app-linkage "no verification attempted" state; 2956 // and then 'always' in the per-user state actually used for intent resolution. 2957 final IntentFilterVerificationInfo ivi; 2958 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2959 new ArrayList<String>(domains)); 2960 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2961 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2962 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2963 } else { 2964 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2965 + "' does not handle web links"); 2966 } 2967 } else { 2968 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2969 } 2970 } 2971 2972 scheduleWritePackageRestrictionsLocked(userId); 2973 scheduleWriteSettingsLocked(); 2974 } 2975 2976 private void applyFactoryDefaultBrowserLPw(int userId) { 2977 // The default browser app's package name is stored in a string resource, 2978 // with a product-specific overlay used for vendor customization. 2979 String browserPkg = mContext.getResources().getString( 2980 com.android.internal.R.string.default_browser); 2981 if (!TextUtils.isEmpty(browserPkg)) { 2982 // non-empty string => required to be a known package 2983 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2984 if (ps == null) { 2985 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2986 browserPkg = null; 2987 } else { 2988 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2989 } 2990 } 2991 2992 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2993 // default. If there's more than one, just leave everything alone. 2994 if (browserPkg == null) { 2995 calculateDefaultBrowserLPw(userId); 2996 } 2997 } 2998 2999 private void calculateDefaultBrowserLPw(int userId) { 3000 List<String> allBrowsers = resolveAllBrowserApps(userId); 3001 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3002 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3003 } 3004 3005 private List<String> resolveAllBrowserApps(int userId) { 3006 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3007 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3008 PackageManager.MATCH_ALL, userId); 3009 3010 final int count = list.size(); 3011 List<String> result = new ArrayList<String>(count); 3012 for (int i=0; i<count; i++) { 3013 ResolveInfo info = list.get(i); 3014 if (info.activityInfo == null 3015 || !info.handleAllWebDataURI 3016 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3017 || result.contains(info.activityInfo.packageName)) { 3018 continue; 3019 } 3020 result.add(info.activityInfo.packageName); 3021 } 3022 3023 return result; 3024 } 3025 3026 private boolean packageIsBrowser(String packageName, int userId) { 3027 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3028 PackageManager.MATCH_ALL, userId); 3029 final int N = list.size(); 3030 for (int i = 0; i < N; i++) { 3031 ResolveInfo info = list.get(i); 3032 if (packageName.equals(info.activityInfo.packageName)) { 3033 return true; 3034 } 3035 } 3036 return false; 3037 } 3038 3039 private void checkDefaultBrowser() { 3040 final int myUserId = UserHandle.myUserId(); 3041 final String packageName = getDefaultBrowserPackageName(myUserId); 3042 if (packageName != null) { 3043 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3044 if (info == null) { 3045 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3046 synchronized (mPackages) { 3047 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3048 } 3049 } 3050 } 3051 } 3052 3053 @Override 3054 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3055 throws RemoteException { 3056 try { 3057 return super.onTransact(code, data, reply, flags); 3058 } catch (RuntimeException e) { 3059 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3060 Slog.wtf(TAG, "Package Manager Crash", e); 3061 } 3062 throw e; 3063 } 3064 } 3065 3066 static int[] appendInts(int[] cur, int[] add) { 3067 if (add == null) return cur; 3068 if (cur == null) return add; 3069 final int N = add.length; 3070 for (int i=0; i<N; i++) { 3071 cur = appendInt(cur, add[i]); 3072 } 3073 return cur; 3074 } 3075 3076 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3077 if (!sUserManager.exists(userId)) return null; 3078 if (ps == null) { 3079 return null; 3080 } 3081 final PackageParser.Package p = ps.pkg; 3082 if (p == null) { 3083 return null; 3084 } 3085 3086 final PermissionsState permissionsState = ps.getPermissionsState(); 3087 3088 // Compute GIDs only if requested 3089 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3090 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3091 // Compute granted permissions only if package has requested permissions 3092 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3093 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3094 final PackageUserState state = ps.readUserState(userId); 3095 3096 return PackageParser.generatePackageInfo(p, gids, flags, 3097 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3098 } 3099 3100 @Override 3101 public void checkPackageStartable(String packageName, int userId) { 3102 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3103 3104 synchronized (mPackages) { 3105 final PackageSetting ps = mSettings.mPackages.get(packageName); 3106 if (ps == null) { 3107 throw new SecurityException("Package " + packageName + " was not found!"); 3108 } 3109 3110 if (!ps.getInstalled(userId)) { 3111 throw new SecurityException( 3112 "Package " + packageName + " was not installed for user " + userId + "!"); 3113 } 3114 3115 if (mSafeMode && !ps.isSystem()) { 3116 throw new SecurityException("Package " + packageName + " not a system app!"); 3117 } 3118 3119 if (mFrozenPackages.contains(packageName)) { 3120 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3121 } 3122 3123 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3124 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3125 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3126 } 3127 } 3128 } 3129 3130 @Override 3131 public boolean isPackageAvailable(String packageName, int userId) { 3132 if (!sUserManager.exists(userId)) return false; 3133 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3134 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3135 synchronized (mPackages) { 3136 PackageParser.Package p = mPackages.get(packageName); 3137 if (p != null) { 3138 final PackageSetting ps = (PackageSetting) p.mExtras; 3139 if (ps != null) { 3140 final PackageUserState state = ps.readUserState(userId); 3141 if (state != null) { 3142 return PackageParser.isAvailable(state); 3143 } 3144 } 3145 } 3146 } 3147 return false; 3148 } 3149 3150 @Override 3151 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3152 if (!sUserManager.exists(userId)) return null; 3153 flags = updateFlagsForPackage(flags, userId, packageName); 3154 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3155 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3156 3157 // reader 3158 synchronized (mPackages) { 3159 // Normalize package name to hanlde renamed packages 3160 packageName = normalizePackageNameLPr(packageName); 3161 3162 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3163 PackageParser.Package p = null; 3164 if (matchFactoryOnly) { 3165 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3166 if (ps != null) { 3167 return generatePackageInfo(ps, flags, userId); 3168 } 3169 } 3170 if (p == null) { 3171 p = mPackages.get(packageName); 3172 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3173 return null; 3174 } 3175 } 3176 if (DEBUG_PACKAGE_INFO) 3177 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3178 if (p != null) { 3179 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3180 } 3181 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3182 final PackageSetting ps = mSettings.mPackages.get(packageName); 3183 return generatePackageInfo(ps, flags, userId); 3184 } 3185 } 3186 return null; 3187 } 3188 3189 @Override 3190 public String[] currentToCanonicalPackageNames(String[] names) { 3191 String[] out = new String[names.length]; 3192 // reader 3193 synchronized (mPackages) { 3194 for (int i=names.length-1; i>=0; i--) { 3195 PackageSetting ps = mSettings.mPackages.get(names[i]); 3196 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3197 } 3198 } 3199 return out; 3200 } 3201 3202 @Override 3203 public String[] canonicalToCurrentPackageNames(String[] names) { 3204 String[] out = new String[names.length]; 3205 // reader 3206 synchronized (mPackages) { 3207 for (int i=names.length-1; i>=0; i--) { 3208 String cur = mSettings.mRenamedPackages.get(names[i]); 3209 out[i] = cur != null ? cur : names[i]; 3210 } 3211 } 3212 return out; 3213 } 3214 3215 @Override 3216 public int getPackageUid(String packageName, int flags, int userId) { 3217 if (!sUserManager.exists(userId)) return -1; 3218 flags = updateFlagsForPackage(flags, userId, packageName); 3219 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3220 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3221 3222 // reader 3223 synchronized (mPackages) { 3224 final PackageParser.Package p = mPackages.get(packageName); 3225 if (p != null && p.isMatch(flags)) { 3226 return UserHandle.getUid(userId, p.applicationInfo.uid); 3227 } 3228 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3229 final PackageSetting ps = mSettings.mPackages.get(packageName); 3230 if (ps != null && ps.isMatch(flags)) { 3231 return UserHandle.getUid(userId, ps.appId); 3232 } 3233 } 3234 } 3235 3236 return -1; 3237 } 3238 3239 @Override 3240 public int[] getPackageGids(String packageName, int flags, int userId) { 3241 if (!sUserManager.exists(userId)) return null; 3242 flags = updateFlagsForPackage(flags, userId, packageName); 3243 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3244 false /* requireFullPermission */, false /* checkShell */, 3245 "getPackageGids"); 3246 3247 // reader 3248 synchronized (mPackages) { 3249 final PackageParser.Package p = mPackages.get(packageName); 3250 if (p != null && p.isMatch(flags)) { 3251 PackageSetting ps = (PackageSetting) p.mExtras; 3252 return ps.getPermissionsState().computeGids(userId); 3253 } 3254 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3255 final PackageSetting ps = mSettings.mPackages.get(packageName); 3256 if (ps != null && ps.isMatch(flags)) { 3257 return ps.getPermissionsState().computeGids(userId); 3258 } 3259 } 3260 } 3261 3262 return null; 3263 } 3264 3265 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3266 if (bp.perm != null) { 3267 return PackageParser.generatePermissionInfo(bp.perm, flags); 3268 } 3269 PermissionInfo pi = new PermissionInfo(); 3270 pi.name = bp.name; 3271 pi.packageName = bp.sourcePackage; 3272 pi.nonLocalizedLabel = bp.name; 3273 pi.protectionLevel = bp.protectionLevel; 3274 return pi; 3275 } 3276 3277 @Override 3278 public PermissionInfo getPermissionInfo(String name, int flags) { 3279 // reader 3280 synchronized (mPackages) { 3281 final BasePermission p = mSettings.mPermissions.get(name); 3282 if (p != null) { 3283 return generatePermissionInfo(p, flags); 3284 } 3285 return null; 3286 } 3287 } 3288 3289 @Override 3290 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3291 int flags) { 3292 // reader 3293 synchronized (mPackages) { 3294 if (group != null && !mPermissionGroups.containsKey(group)) { 3295 // This is thrown as NameNotFoundException 3296 return null; 3297 } 3298 3299 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3300 for (BasePermission p : mSettings.mPermissions.values()) { 3301 if (group == null) { 3302 if (p.perm == null || p.perm.info.group == null) { 3303 out.add(generatePermissionInfo(p, flags)); 3304 } 3305 } else { 3306 if (p.perm != null && group.equals(p.perm.info.group)) { 3307 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3308 } 3309 } 3310 } 3311 return new ParceledListSlice<>(out); 3312 } 3313 } 3314 3315 @Override 3316 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3317 // reader 3318 synchronized (mPackages) { 3319 return PackageParser.generatePermissionGroupInfo( 3320 mPermissionGroups.get(name), flags); 3321 } 3322 } 3323 3324 @Override 3325 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3326 // reader 3327 synchronized (mPackages) { 3328 final int N = mPermissionGroups.size(); 3329 ArrayList<PermissionGroupInfo> out 3330 = new ArrayList<PermissionGroupInfo>(N); 3331 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3332 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3333 } 3334 return new ParceledListSlice<>(out); 3335 } 3336 } 3337 3338 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3339 int userId) { 3340 if (!sUserManager.exists(userId)) return null; 3341 PackageSetting ps = mSettings.mPackages.get(packageName); 3342 if (ps != null) { 3343 if (ps.pkg == null) { 3344 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3345 if (pInfo != null) { 3346 return pInfo.applicationInfo; 3347 } 3348 return null; 3349 } 3350 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3351 ps.readUserState(userId), userId); 3352 } 3353 return null; 3354 } 3355 3356 @Override 3357 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3358 if (!sUserManager.exists(userId)) return null; 3359 flags = updateFlagsForApplication(flags, userId, packageName); 3360 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3361 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3362 3363 // writer 3364 synchronized (mPackages) { 3365 // Normalize package name to hanlde renamed packages 3366 packageName = normalizePackageNameLPr(packageName); 3367 3368 PackageParser.Package p = mPackages.get(packageName); 3369 if (DEBUG_PACKAGE_INFO) Log.v( 3370 TAG, "getApplicationInfo " + packageName 3371 + ": " + p); 3372 if (p != null) { 3373 PackageSetting ps = mSettings.mPackages.get(packageName); 3374 if (ps == null) return null; 3375 // Note: isEnabledLP() does not apply here - always return info 3376 return PackageParser.generateApplicationInfo( 3377 p, flags, ps.readUserState(userId), userId); 3378 } 3379 if ("android".equals(packageName)||"system".equals(packageName)) { 3380 return mAndroidApplication; 3381 } 3382 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3383 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3384 } 3385 } 3386 return null; 3387 } 3388 3389 private String normalizePackageNameLPr(String packageName) { 3390 String normalizedPackageName = mSettings.mRenamedPackages.get(packageName); 3391 return normalizedPackageName != null ? normalizedPackageName : packageName; 3392 } 3393 3394 @Override 3395 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3396 final IPackageDataObserver observer) { 3397 mContext.enforceCallingOrSelfPermission( 3398 android.Manifest.permission.CLEAR_APP_CACHE, null); 3399 // Queue up an async operation since clearing cache may take a little while. 3400 mHandler.post(new Runnable() { 3401 public void run() { 3402 mHandler.removeCallbacks(this); 3403 boolean success = true; 3404 synchronized (mInstallLock) { 3405 try { 3406 mInstaller.freeCache(volumeUuid, freeStorageSize); 3407 } catch (InstallerException e) { 3408 Slog.w(TAG, "Couldn't clear application caches: " + e); 3409 success = false; 3410 } 3411 } 3412 if (observer != null) { 3413 try { 3414 observer.onRemoveCompleted(null, success); 3415 } catch (RemoteException e) { 3416 Slog.w(TAG, "RemoveException when invoking call back"); 3417 } 3418 } 3419 } 3420 }); 3421 } 3422 3423 @Override 3424 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3425 final IntentSender pi) { 3426 mContext.enforceCallingOrSelfPermission( 3427 android.Manifest.permission.CLEAR_APP_CACHE, null); 3428 // Queue up an async operation since clearing cache may take a little while. 3429 mHandler.post(new Runnable() { 3430 public void run() { 3431 mHandler.removeCallbacks(this); 3432 boolean success = true; 3433 synchronized (mInstallLock) { 3434 try { 3435 mInstaller.freeCache(volumeUuid, freeStorageSize); 3436 } catch (InstallerException e) { 3437 Slog.w(TAG, "Couldn't clear application caches: " + e); 3438 success = false; 3439 } 3440 } 3441 if(pi != null) { 3442 try { 3443 // Callback via pending intent 3444 int code = success ? 1 : 0; 3445 pi.sendIntent(null, code, null, 3446 null, null); 3447 } catch (SendIntentException e1) { 3448 Slog.i(TAG, "Failed to send pending intent"); 3449 } 3450 } 3451 } 3452 }); 3453 } 3454 3455 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3456 synchronized (mInstallLock) { 3457 try { 3458 mInstaller.freeCache(volumeUuid, freeStorageSize); 3459 } catch (InstallerException e) { 3460 throw new IOException("Failed to free enough space", e); 3461 } 3462 } 3463 } 3464 3465 /** 3466 * Update given flags based on encryption status of current user. 3467 */ 3468 private int updateFlags(int flags, int userId) { 3469 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3470 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3471 // Caller expressed an explicit opinion about what encryption 3472 // aware/unaware components they want to see, so fall through and 3473 // give them what they want 3474 } else { 3475 // Caller expressed no opinion, so match based on user state 3476 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3477 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3478 } else { 3479 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3480 } 3481 } 3482 return flags; 3483 } 3484 3485 private UserManagerInternal getUserManagerInternal() { 3486 if (mUserManagerInternal == null) { 3487 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3488 } 3489 return mUserManagerInternal; 3490 } 3491 3492 /** 3493 * Update given flags when being used to request {@link PackageInfo}. 3494 */ 3495 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3496 boolean triaged = true; 3497 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3498 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3499 // Caller is asking for component details, so they'd better be 3500 // asking for specific encryption matching behavior, or be triaged 3501 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3502 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3503 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3504 triaged = false; 3505 } 3506 } 3507 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3508 | PackageManager.MATCH_SYSTEM_ONLY 3509 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3510 triaged = false; 3511 } 3512 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3513 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3514 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3515 } 3516 return updateFlags(flags, userId); 3517 } 3518 3519 /** 3520 * Update given flags when being used to request {@link ApplicationInfo}. 3521 */ 3522 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3523 return updateFlagsForPackage(flags, userId, cookie); 3524 } 3525 3526 /** 3527 * Update given flags when being used to request {@link ComponentInfo}. 3528 */ 3529 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3530 if (cookie instanceof Intent) { 3531 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3532 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3533 } 3534 } 3535 3536 boolean triaged = true; 3537 // Caller is asking for component details, so they'd better be 3538 // asking for specific encryption matching behavior, or be triaged 3539 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3540 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3541 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3542 triaged = false; 3543 } 3544 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3545 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3546 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3547 } 3548 3549 return updateFlags(flags, userId); 3550 } 3551 3552 /** 3553 * Update given flags when being used to request {@link ResolveInfo}. 3554 */ 3555 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3556 // Safe mode means we shouldn't match any third-party components 3557 if (mSafeMode) { 3558 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3559 } 3560 3561 return updateFlagsForComponent(flags, userId, cookie); 3562 } 3563 3564 @Override 3565 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3566 if (!sUserManager.exists(userId)) return null; 3567 flags = updateFlagsForComponent(flags, userId, component); 3568 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3569 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3570 synchronized (mPackages) { 3571 PackageParser.Activity a = mActivities.mActivities.get(component); 3572 3573 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3574 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3575 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3576 if (ps == null) return null; 3577 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3578 userId); 3579 } 3580 if (mResolveComponentName.equals(component)) { 3581 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3582 new PackageUserState(), userId); 3583 } 3584 } 3585 return null; 3586 } 3587 3588 @Override 3589 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3590 String resolvedType) { 3591 synchronized (mPackages) { 3592 if (component.equals(mResolveComponentName)) { 3593 // The resolver supports EVERYTHING! 3594 return true; 3595 } 3596 PackageParser.Activity a = mActivities.mActivities.get(component); 3597 if (a == null) { 3598 return false; 3599 } 3600 for (int i=0; i<a.intents.size(); i++) { 3601 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3602 intent.getData(), intent.getCategories(), TAG) >= 0) { 3603 return true; 3604 } 3605 } 3606 return false; 3607 } 3608 } 3609 3610 @Override 3611 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3612 if (!sUserManager.exists(userId)) return null; 3613 flags = updateFlagsForComponent(flags, userId, component); 3614 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3615 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3616 synchronized (mPackages) { 3617 PackageParser.Activity a = mReceivers.mActivities.get(component); 3618 if (DEBUG_PACKAGE_INFO) Log.v( 3619 TAG, "getReceiverInfo " + component + ": " + a); 3620 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3621 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3622 if (ps == null) return null; 3623 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3624 userId); 3625 } 3626 } 3627 return null; 3628 } 3629 3630 @Override 3631 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3632 if (!sUserManager.exists(userId)) return null; 3633 flags = updateFlagsForComponent(flags, userId, component); 3634 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3635 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3636 synchronized (mPackages) { 3637 PackageParser.Service s = mServices.mServices.get(component); 3638 if (DEBUG_PACKAGE_INFO) Log.v( 3639 TAG, "getServiceInfo " + component + ": " + s); 3640 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3641 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3642 if (ps == null) return null; 3643 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3644 userId); 3645 } 3646 } 3647 return null; 3648 } 3649 3650 @Override 3651 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3652 if (!sUserManager.exists(userId)) return null; 3653 flags = updateFlagsForComponent(flags, userId, component); 3654 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3655 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3656 synchronized (mPackages) { 3657 PackageParser.Provider p = mProviders.mProviders.get(component); 3658 if (DEBUG_PACKAGE_INFO) Log.v( 3659 TAG, "getProviderInfo " + component + ": " + p); 3660 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3661 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3662 if (ps == null) return null; 3663 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3664 userId); 3665 } 3666 } 3667 return null; 3668 } 3669 3670 @Override 3671 public String[] getSystemSharedLibraryNames() { 3672 Set<String> libSet; 3673 synchronized (mPackages) { 3674 libSet = mSharedLibraries.keySet(); 3675 int size = libSet.size(); 3676 if (size > 0) { 3677 String[] libs = new String[size]; 3678 libSet.toArray(libs); 3679 return libs; 3680 } 3681 } 3682 return null; 3683 } 3684 3685 @Override 3686 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3687 synchronized (mPackages) { 3688 return mServicesSystemSharedLibraryPackageName; 3689 } 3690 } 3691 3692 @Override 3693 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3694 synchronized (mPackages) { 3695 return mSharedSystemSharedLibraryPackageName; 3696 } 3697 } 3698 3699 @Override 3700 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3701 synchronized (mPackages) { 3702 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3703 3704 final FeatureInfo fi = new FeatureInfo(); 3705 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3706 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3707 res.add(fi); 3708 3709 return new ParceledListSlice<>(res); 3710 } 3711 } 3712 3713 @Override 3714 public boolean hasSystemFeature(String name, int version) { 3715 synchronized (mPackages) { 3716 final FeatureInfo feat = mAvailableFeatures.get(name); 3717 if (feat == null) { 3718 return false; 3719 } else { 3720 return feat.version >= version; 3721 } 3722 } 3723 } 3724 3725 @Override 3726 public int checkPermission(String permName, String pkgName, int userId) { 3727 if (!sUserManager.exists(userId)) { 3728 return PackageManager.PERMISSION_DENIED; 3729 } 3730 3731 synchronized (mPackages) { 3732 final PackageParser.Package p = mPackages.get(pkgName); 3733 if (p != null && p.mExtras != null) { 3734 final PackageSetting ps = (PackageSetting) p.mExtras; 3735 final PermissionsState permissionsState = ps.getPermissionsState(); 3736 if (permissionsState.hasPermission(permName, userId)) { 3737 return PackageManager.PERMISSION_GRANTED; 3738 } 3739 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3740 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3741 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3742 return PackageManager.PERMISSION_GRANTED; 3743 } 3744 } 3745 } 3746 3747 return PackageManager.PERMISSION_DENIED; 3748 } 3749 3750 @Override 3751 public int checkUidPermission(String permName, int uid) { 3752 final int userId = UserHandle.getUserId(uid); 3753 3754 if (!sUserManager.exists(userId)) { 3755 return PackageManager.PERMISSION_DENIED; 3756 } 3757 3758 synchronized (mPackages) { 3759 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3760 if (obj != null) { 3761 final SettingBase ps = (SettingBase) obj; 3762 final PermissionsState permissionsState = ps.getPermissionsState(); 3763 if (permissionsState.hasPermission(permName, userId)) { 3764 return PackageManager.PERMISSION_GRANTED; 3765 } 3766 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3767 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3768 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3769 return PackageManager.PERMISSION_GRANTED; 3770 } 3771 } else { 3772 ArraySet<String> perms = mSystemPermissions.get(uid); 3773 if (perms != null) { 3774 if (perms.contains(permName)) { 3775 return PackageManager.PERMISSION_GRANTED; 3776 } 3777 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3778 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3779 return PackageManager.PERMISSION_GRANTED; 3780 } 3781 } 3782 } 3783 } 3784 3785 return PackageManager.PERMISSION_DENIED; 3786 } 3787 3788 @Override 3789 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3790 if (UserHandle.getCallingUserId() != userId) { 3791 mContext.enforceCallingPermission( 3792 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3793 "isPermissionRevokedByPolicy for user " + userId); 3794 } 3795 3796 if (checkPermission(permission, packageName, userId) 3797 == PackageManager.PERMISSION_GRANTED) { 3798 return false; 3799 } 3800 3801 final long identity = Binder.clearCallingIdentity(); 3802 try { 3803 final int flags = getPermissionFlags(permission, packageName, userId); 3804 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3805 } finally { 3806 Binder.restoreCallingIdentity(identity); 3807 } 3808 } 3809 3810 @Override 3811 public String getPermissionControllerPackageName() { 3812 synchronized (mPackages) { 3813 return mRequiredInstallerPackage; 3814 } 3815 } 3816 3817 /** 3818 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3819 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3820 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3821 * @param message the message to log on security exception 3822 */ 3823 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3824 boolean checkShell, String message) { 3825 if (userId < 0) { 3826 throw new IllegalArgumentException("Invalid userId " + userId); 3827 } 3828 if (checkShell) { 3829 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3830 } 3831 if (userId == UserHandle.getUserId(callingUid)) return; 3832 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3833 if (requireFullPermission) { 3834 mContext.enforceCallingOrSelfPermission( 3835 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3836 } else { 3837 try { 3838 mContext.enforceCallingOrSelfPermission( 3839 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3840 } catch (SecurityException se) { 3841 mContext.enforceCallingOrSelfPermission( 3842 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3843 } 3844 } 3845 } 3846 } 3847 3848 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3849 if (callingUid == Process.SHELL_UID) { 3850 if (userHandle >= 0 3851 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3852 throw new SecurityException("Shell does not have permission to access user " 3853 + userHandle); 3854 } else if (userHandle < 0) { 3855 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3856 + Debug.getCallers(3)); 3857 } 3858 } 3859 } 3860 3861 private BasePermission findPermissionTreeLP(String permName) { 3862 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3863 if (permName.startsWith(bp.name) && 3864 permName.length() > bp.name.length() && 3865 permName.charAt(bp.name.length()) == '.') { 3866 return bp; 3867 } 3868 } 3869 return null; 3870 } 3871 3872 private BasePermission checkPermissionTreeLP(String permName) { 3873 if (permName != null) { 3874 BasePermission bp = findPermissionTreeLP(permName); 3875 if (bp != null) { 3876 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3877 return bp; 3878 } 3879 throw new SecurityException("Calling uid " 3880 + Binder.getCallingUid() 3881 + " is not allowed to add to permission tree " 3882 + bp.name + " owned by uid " + bp.uid); 3883 } 3884 } 3885 throw new SecurityException("No permission tree found for " + permName); 3886 } 3887 3888 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3889 if (s1 == null) { 3890 return s2 == null; 3891 } 3892 if (s2 == null) { 3893 return false; 3894 } 3895 if (s1.getClass() != s2.getClass()) { 3896 return false; 3897 } 3898 return s1.equals(s2); 3899 } 3900 3901 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3902 if (pi1.icon != pi2.icon) return false; 3903 if (pi1.logo != pi2.logo) return false; 3904 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3905 if (!compareStrings(pi1.name, pi2.name)) return false; 3906 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3907 // We'll take care of setting this one. 3908 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3909 // These are not currently stored in settings. 3910 //if (!compareStrings(pi1.group, pi2.group)) return false; 3911 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3912 //if (pi1.labelRes != pi2.labelRes) return false; 3913 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3914 return true; 3915 } 3916 3917 int permissionInfoFootprint(PermissionInfo info) { 3918 int size = info.name.length(); 3919 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3920 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3921 return size; 3922 } 3923 3924 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3925 int size = 0; 3926 for (BasePermission perm : mSettings.mPermissions.values()) { 3927 if (perm.uid == tree.uid) { 3928 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3929 } 3930 } 3931 return size; 3932 } 3933 3934 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3935 // We calculate the max size of permissions defined by this uid and throw 3936 // if that plus the size of 'info' would exceed our stated maximum. 3937 if (tree.uid != Process.SYSTEM_UID) { 3938 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3939 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3940 throw new SecurityException("Permission tree size cap exceeded"); 3941 } 3942 } 3943 } 3944 3945 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3946 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3947 throw new SecurityException("Label must be specified in permission"); 3948 } 3949 BasePermission tree = checkPermissionTreeLP(info.name); 3950 BasePermission bp = mSettings.mPermissions.get(info.name); 3951 boolean added = bp == null; 3952 boolean changed = true; 3953 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3954 if (added) { 3955 enforcePermissionCapLocked(info, tree); 3956 bp = new BasePermission(info.name, tree.sourcePackage, 3957 BasePermission.TYPE_DYNAMIC); 3958 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3959 throw new SecurityException( 3960 "Not allowed to modify non-dynamic permission " 3961 + info.name); 3962 } else { 3963 if (bp.protectionLevel == fixedLevel 3964 && bp.perm.owner.equals(tree.perm.owner) 3965 && bp.uid == tree.uid 3966 && comparePermissionInfos(bp.perm.info, info)) { 3967 changed = false; 3968 } 3969 } 3970 bp.protectionLevel = fixedLevel; 3971 info = new PermissionInfo(info); 3972 info.protectionLevel = fixedLevel; 3973 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3974 bp.perm.info.packageName = tree.perm.info.packageName; 3975 bp.uid = tree.uid; 3976 if (added) { 3977 mSettings.mPermissions.put(info.name, bp); 3978 } 3979 if (changed) { 3980 if (!async) { 3981 mSettings.writeLPr(); 3982 } else { 3983 scheduleWriteSettingsLocked(); 3984 } 3985 } 3986 return added; 3987 } 3988 3989 @Override 3990 public boolean addPermission(PermissionInfo info) { 3991 synchronized (mPackages) { 3992 return addPermissionLocked(info, false); 3993 } 3994 } 3995 3996 @Override 3997 public boolean addPermissionAsync(PermissionInfo info) { 3998 synchronized (mPackages) { 3999 return addPermissionLocked(info, true); 4000 } 4001 } 4002 4003 @Override 4004 public void removePermission(String name) { 4005 synchronized (mPackages) { 4006 checkPermissionTreeLP(name); 4007 BasePermission bp = mSettings.mPermissions.get(name); 4008 if (bp != null) { 4009 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4010 throw new SecurityException( 4011 "Not allowed to modify non-dynamic permission " 4012 + name); 4013 } 4014 mSettings.mPermissions.remove(name); 4015 mSettings.writeLPr(); 4016 } 4017 } 4018 } 4019 4020 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4021 BasePermission bp) { 4022 int index = pkg.requestedPermissions.indexOf(bp.name); 4023 if (index == -1) { 4024 throw new SecurityException("Package " + pkg.packageName 4025 + " has not requested permission " + bp.name); 4026 } 4027 if (!bp.isRuntime() && !bp.isDevelopment()) { 4028 throw new SecurityException("Permission " + bp.name 4029 + " is not a changeable permission type"); 4030 } 4031 } 4032 4033 @Override 4034 public void grantRuntimePermission(String packageName, String name, final int userId) { 4035 if (!sUserManager.exists(userId)) { 4036 Log.e(TAG, "No such user:" + userId); 4037 return; 4038 } 4039 4040 mContext.enforceCallingOrSelfPermission( 4041 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4042 "grantRuntimePermission"); 4043 4044 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4045 true /* requireFullPermission */, true /* checkShell */, 4046 "grantRuntimePermission"); 4047 4048 final int uid; 4049 final SettingBase sb; 4050 4051 synchronized (mPackages) { 4052 final PackageParser.Package pkg = mPackages.get(packageName); 4053 if (pkg == null) { 4054 throw new IllegalArgumentException("Unknown package: " + packageName); 4055 } 4056 4057 final BasePermission bp = mSettings.mPermissions.get(name); 4058 if (bp == null) { 4059 throw new IllegalArgumentException("Unknown permission: " + name); 4060 } 4061 4062 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4063 4064 // If a permission review is required for legacy apps we represent 4065 // their permissions as always granted runtime ones since we need 4066 // to keep the review required permission flag per user while an 4067 // install permission's state is shared across all users. 4068 if ((mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) 4069 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4070 && bp.isRuntime()) { 4071 return; 4072 } 4073 4074 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4075 sb = (SettingBase) pkg.mExtras; 4076 if (sb == null) { 4077 throw new IllegalArgumentException("Unknown package: " + packageName); 4078 } 4079 4080 final PermissionsState permissionsState = sb.getPermissionsState(); 4081 4082 final int flags = permissionsState.getPermissionFlags(name, userId); 4083 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4084 throw new SecurityException("Cannot grant system fixed permission " 4085 + name + " for package " + packageName); 4086 } 4087 4088 if (bp.isDevelopment()) { 4089 // Development permissions must be handled specially, since they are not 4090 // normal runtime permissions. For now they apply to all users. 4091 if (permissionsState.grantInstallPermission(bp) != 4092 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4093 scheduleWriteSettingsLocked(); 4094 } 4095 return; 4096 } 4097 4098 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4099 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4100 return; 4101 } 4102 4103 final int result = permissionsState.grantRuntimePermission(bp, userId); 4104 switch (result) { 4105 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4106 return; 4107 } 4108 4109 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4110 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4111 mHandler.post(new Runnable() { 4112 @Override 4113 public void run() { 4114 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4115 } 4116 }); 4117 } 4118 break; 4119 } 4120 4121 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4122 4123 // Not critical if that is lost - app has to request again. 4124 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4125 } 4126 4127 // Only need to do this if user is initialized. Otherwise it's a new user 4128 // and there are no processes running as the user yet and there's no need 4129 // to make an expensive call to remount processes for the changed permissions. 4130 if (READ_EXTERNAL_STORAGE.equals(name) 4131 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4132 final long token = Binder.clearCallingIdentity(); 4133 try { 4134 if (sUserManager.isInitialized(userId)) { 4135 MountServiceInternal mountServiceInternal = LocalServices.getService( 4136 MountServiceInternal.class); 4137 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4138 } 4139 } finally { 4140 Binder.restoreCallingIdentity(token); 4141 } 4142 } 4143 } 4144 4145 @Override 4146 public void revokeRuntimePermission(String packageName, String name, int userId) { 4147 if (!sUserManager.exists(userId)) { 4148 Log.e(TAG, "No such user:" + userId); 4149 return; 4150 } 4151 4152 mContext.enforceCallingOrSelfPermission( 4153 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4154 "revokeRuntimePermission"); 4155 4156 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4157 true /* requireFullPermission */, true /* checkShell */, 4158 "revokeRuntimePermission"); 4159 4160 final int appId; 4161 4162 synchronized (mPackages) { 4163 final PackageParser.Package pkg = mPackages.get(packageName); 4164 if (pkg == null) { 4165 throw new IllegalArgumentException("Unknown package: " + packageName); 4166 } 4167 4168 final BasePermission bp = mSettings.mPermissions.get(name); 4169 if (bp == null) { 4170 throw new IllegalArgumentException("Unknown permission: " + name); 4171 } 4172 4173 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4174 4175 // If a permission review is required for legacy apps we represent 4176 // their permissions as always granted runtime ones since we need 4177 // to keep the review required permission flag per user while an 4178 // install permission's state is shared across all users. 4179 if ((mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) 4180 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4181 && bp.isRuntime()) { 4182 return; 4183 } 4184 4185 SettingBase sb = (SettingBase) pkg.mExtras; 4186 if (sb == null) { 4187 throw new IllegalArgumentException("Unknown package: " + packageName); 4188 } 4189 4190 final PermissionsState permissionsState = sb.getPermissionsState(); 4191 4192 final int flags = permissionsState.getPermissionFlags(name, userId); 4193 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4194 throw new SecurityException("Cannot revoke system fixed permission " 4195 + name + " for package " + packageName); 4196 } 4197 4198 if (bp.isDevelopment()) { 4199 // Development permissions must be handled specially, since they are not 4200 // normal runtime permissions. For now they apply to all users. 4201 if (permissionsState.revokeInstallPermission(bp) != 4202 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4203 scheduleWriteSettingsLocked(); 4204 } 4205 return; 4206 } 4207 4208 if (permissionsState.revokeRuntimePermission(bp, userId) == 4209 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4210 return; 4211 } 4212 4213 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4214 4215 // Critical, after this call app should never have the permission. 4216 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4217 4218 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4219 } 4220 4221 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4222 } 4223 4224 @Override 4225 public void resetRuntimePermissions() { 4226 mContext.enforceCallingOrSelfPermission( 4227 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4228 "revokeRuntimePermission"); 4229 4230 int callingUid = Binder.getCallingUid(); 4231 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4232 mContext.enforceCallingOrSelfPermission( 4233 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4234 "resetRuntimePermissions"); 4235 } 4236 4237 synchronized (mPackages) { 4238 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4239 for (int userId : UserManagerService.getInstance().getUserIds()) { 4240 final int packageCount = mPackages.size(); 4241 for (int i = 0; i < packageCount; i++) { 4242 PackageParser.Package pkg = mPackages.valueAt(i); 4243 if (!(pkg.mExtras instanceof PackageSetting)) { 4244 continue; 4245 } 4246 PackageSetting ps = (PackageSetting) pkg.mExtras; 4247 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4248 } 4249 } 4250 } 4251 } 4252 4253 @Override 4254 public int getPermissionFlags(String name, String packageName, int userId) { 4255 if (!sUserManager.exists(userId)) { 4256 return 0; 4257 } 4258 4259 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4260 4261 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4262 true /* requireFullPermission */, false /* checkShell */, 4263 "getPermissionFlags"); 4264 4265 synchronized (mPackages) { 4266 final PackageParser.Package pkg = mPackages.get(packageName); 4267 if (pkg == null) { 4268 return 0; 4269 } 4270 4271 final BasePermission bp = mSettings.mPermissions.get(name); 4272 if (bp == null) { 4273 return 0; 4274 } 4275 4276 SettingBase sb = (SettingBase) pkg.mExtras; 4277 if (sb == null) { 4278 return 0; 4279 } 4280 4281 PermissionsState permissionsState = sb.getPermissionsState(); 4282 return permissionsState.getPermissionFlags(name, userId); 4283 } 4284 } 4285 4286 @Override 4287 public void updatePermissionFlags(String name, String packageName, int flagMask, 4288 int flagValues, int userId) { 4289 if (!sUserManager.exists(userId)) { 4290 return; 4291 } 4292 4293 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4294 4295 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4296 true /* requireFullPermission */, true /* checkShell */, 4297 "updatePermissionFlags"); 4298 4299 // Only the system can change these flags and nothing else. 4300 if (getCallingUid() != Process.SYSTEM_UID) { 4301 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4302 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4303 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4304 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4305 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4306 } 4307 4308 synchronized (mPackages) { 4309 final PackageParser.Package pkg = mPackages.get(packageName); 4310 if (pkg == null) { 4311 throw new IllegalArgumentException("Unknown package: " + packageName); 4312 } 4313 4314 final BasePermission bp = mSettings.mPermissions.get(name); 4315 if (bp == null) { 4316 throw new IllegalArgumentException("Unknown permission: " + name); 4317 } 4318 4319 SettingBase sb = (SettingBase) pkg.mExtras; 4320 if (sb == null) { 4321 throw new IllegalArgumentException("Unknown package: " + packageName); 4322 } 4323 4324 PermissionsState permissionsState = sb.getPermissionsState(); 4325 4326 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4327 4328 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4329 // Install and runtime permissions are stored in different places, 4330 // so figure out what permission changed and persist the change. 4331 if (permissionsState.getInstallPermissionState(name) != null) { 4332 scheduleWriteSettingsLocked(); 4333 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4334 || hadState) { 4335 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4336 } 4337 } 4338 } 4339 } 4340 4341 /** 4342 * Update the permission flags for all packages and runtime permissions of a user in order 4343 * to allow device or profile owner to remove POLICY_FIXED. 4344 */ 4345 @Override 4346 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4347 if (!sUserManager.exists(userId)) { 4348 return; 4349 } 4350 4351 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4352 4353 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4354 true /* requireFullPermission */, true /* checkShell */, 4355 "updatePermissionFlagsForAllApps"); 4356 4357 // Only the system can change system fixed flags. 4358 if (getCallingUid() != Process.SYSTEM_UID) { 4359 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4360 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4361 } 4362 4363 synchronized (mPackages) { 4364 boolean changed = false; 4365 final int packageCount = mPackages.size(); 4366 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4367 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4368 SettingBase sb = (SettingBase) pkg.mExtras; 4369 if (sb == null) { 4370 continue; 4371 } 4372 PermissionsState permissionsState = sb.getPermissionsState(); 4373 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4374 userId, flagMask, flagValues); 4375 } 4376 if (changed) { 4377 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4378 } 4379 } 4380 } 4381 4382 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4383 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4384 != PackageManager.PERMISSION_GRANTED 4385 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4386 != PackageManager.PERMISSION_GRANTED) { 4387 throw new SecurityException(message + " requires " 4388 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4389 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4390 } 4391 } 4392 4393 @Override 4394 public boolean shouldShowRequestPermissionRationale(String permissionName, 4395 String packageName, int userId) { 4396 if (UserHandle.getCallingUserId() != userId) { 4397 mContext.enforceCallingPermission( 4398 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4399 "canShowRequestPermissionRationale for user " + userId); 4400 } 4401 4402 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4403 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4404 return false; 4405 } 4406 4407 if (checkPermission(permissionName, packageName, userId) 4408 == PackageManager.PERMISSION_GRANTED) { 4409 return false; 4410 } 4411 4412 final int flags; 4413 4414 final long identity = Binder.clearCallingIdentity(); 4415 try { 4416 flags = getPermissionFlags(permissionName, 4417 packageName, userId); 4418 } finally { 4419 Binder.restoreCallingIdentity(identity); 4420 } 4421 4422 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4423 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4424 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4425 4426 if ((flags & fixedFlags) != 0) { 4427 return false; 4428 } 4429 4430 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4431 } 4432 4433 @Override 4434 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4435 mContext.enforceCallingOrSelfPermission( 4436 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4437 "addOnPermissionsChangeListener"); 4438 4439 synchronized (mPackages) { 4440 mOnPermissionChangeListeners.addListenerLocked(listener); 4441 } 4442 } 4443 4444 @Override 4445 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4446 synchronized (mPackages) { 4447 mOnPermissionChangeListeners.removeListenerLocked(listener); 4448 } 4449 } 4450 4451 @Override 4452 public boolean isProtectedBroadcast(String actionName) { 4453 synchronized (mPackages) { 4454 if (mProtectedBroadcasts.contains(actionName)) { 4455 return true; 4456 } else if (actionName != null) { 4457 // TODO: remove these terrible hacks 4458 if (actionName.startsWith("android.net.netmon.lingerExpired") 4459 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4460 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4461 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4462 return true; 4463 } 4464 } 4465 } 4466 return false; 4467 } 4468 4469 @Override 4470 public int checkSignatures(String pkg1, String pkg2) { 4471 synchronized (mPackages) { 4472 final PackageParser.Package p1 = mPackages.get(pkg1); 4473 final PackageParser.Package p2 = mPackages.get(pkg2); 4474 if (p1 == null || p1.mExtras == null 4475 || p2 == null || p2.mExtras == null) { 4476 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4477 } 4478 return compareSignatures(p1.mSignatures, p2.mSignatures); 4479 } 4480 } 4481 4482 @Override 4483 public int checkUidSignatures(int uid1, int uid2) { 4484 // Map to base uids. 4485 uid1 = UserHandle.getAppId(uid1); 4486 uid2 = UserHandle.getAppId(uid2); 4487 // reader 4488 synchronized (mPackages) { 4489 Signature[] s1; 4490 Signature[] s2; 4491 Object obj = mSettings.getUserIdLPr(uid1); 4492 if (obj != null) { 4493 if (obj instanceof SharedUserSetting) { 4494 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4495 } else if (obj instanceof PackageSetting) { 4496 s1 = ((PackageSetting)obj).signatures.mSignatures; 4497 } else { 4498 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4499 } 4500 } else { 4501 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4502 } 4503 obj = mSettings.getUserIdLPr(uid2); 4504 if (obj != null) { 4505 if (obj instanceof SharedUserSetting) { 4506 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4507 } else if (obj instanceof PackageSetting) { 4508 s2 = ((PackageSetting)obj).signatures.mSignatures; 4509 } else { 4510 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4511 } 4512 } else { 4513 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4514 } 4515 return compareSignatures(s1, s2); 4516 } 4517 } 4518 4519 /** 4520 * This method should typically only be used when granting or revoking 4521 * permissions, since the app may immediately restart after this call. 4522 * <p> 4523 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4524 * guard your work against the app being relaunched. 4525 */ 4526 private void killUid(int appId, int userId, String reason) { 4527 final long identity = Binder.clearCallingIdentity(); 4528 try { 4529 IActivityManager am = ActivityManagerNative.getDefault(); 4530 if (am != null) { 4531 try { 4532 am.killUid(appId, userId, reason); 4533 } catch (RemoteException e) { 4534 /* ignore - same process */ 4535 } 4536 } 4537 } finally { 4538 Binder.restoreCallingIdentity(identity); 4539 } 4540 } 4541 4542 /** 4543 * Compares two sets of signatures. Returns: 4544 * <br /> 4545 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4546 * <br /> 4547 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4548 * <br /> 4549 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4550 * <br /> 4551 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4552 * <br /> 4553 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4554 */ 4555 static int compareSignatures(Signature[] s1, Signature[] s2) { 4556 if (s1 == null) { 4557 return s2 == null 4558 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4559 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4560 } 4561 4562 if (s2 == null) { 4563 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4564 } 4565 4566 if (s1.length != s2.length) { 4567 return PackageManager.SIGNATURE_NO_MATCH; 4568 } 4569 4570 // Since both signature sets are of size 1, we can compare without HashSets. 4571 if (s1.length == 1) { 4572 return s1[0].equals(s2[0]) ? 4573 PackageManager.SIGNATURE_MATCH : 4574 PackageManager.SIGNATURE_NO_MATCH; 4575 } 4576 4577 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4578 for (Signature sig : s1) { 4579 set1.add(sig); 4580 } 4581 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4582 for (Signature sig : s2) { 4583 set2.add(sig); 4584 } 4585 // Make sure s2 contains all signatures in s1. 4586 if (set1.equals(set2)) { 4587 return PackageManager.SIGNATURE_MATCH; 4588 } 4589 return PackageManager.SIGNATURE_NO_MATCH; 4590 } 4591 4592 /** 4593 * If the database version for this type of package (internal storage or 4594 * external storage) is less than the version where package signatures 4595 * were updated, return true. 4596 */ 4597 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4598 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4599 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4600 } 4601 4602 /** 4603 * Used for backward compatibility to make sure any packages with 4604 * certificate chains get upgraded to the new style. {@code existingSigs} 4605 * will be in the old format (since they were stored on disk from before the 4606 * system upgrade) and {@code scannedSigs} will be in the newer format. 4607 */ 4608 private int compareSignaturesCompat(PackageSignatures existingSigs, 4609 PackageParser.Package scannedPkg) { 4610 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4611 return PackageManager.SIGNATURE_NO_MATCH; 4612 } 4613 4614 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4615 for (Signature sig : existingSigs.mSignatures) { 4616 existingSet.add(sig); 4617 } 4618 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4619 for (Signature sig : scannedPkg.mSignatures) { 4620 try { 4621 Signature[] chainSignatures = sig.getChainSignatures(); 4622 for (Signature chainSig : chainSignatures) { 4623 scannedCompatSet.add(chainSig); 4624 } 4625 } catch (CertificateEncodingException e) { 4626 scannedCompatSet.add(sig); 4627 } 4628 } 4629 /* 4630 * Make sure the expanded scanned set contains all signatures in the 4631 * existing one. 4632 */ 4633 if (scannedCompatSet.equals(existingSet)) { 4634 // Migrate the old signatures to the new scheme. 4635 existingSigs.assignSignatures(scannedPkg.mSignatures); 4636 // The new KeySets will be re-added later in the scanning process. 4637 synchronized (mPackages) { 4638 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4639 } 4640 return PackageManager.SIGNATURE_MATCH; 4641 } 4642 return PackageManager.SIGNATURE_NO_MATCH; 4643 } 4644 4645 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4646 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4647 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4648 } 4649 4650 private int compareSignaturesRecover(PackageSignatures existingSigs, 4651 PackageParser.Package scannedPkg) { 4652 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4653 return PackageManager.SIGNATURE_NO_MATCH; 4654 } 4655 4656 String msg = null; 4657 try { 4658 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4659 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4660 + scannedPkg.packageName); 4661 return PackageManager.SIGNATURE_MATCH; 4662 } 4663 } catch (CertificateException e) { 4664 msg = e.getMessage(); 4665 } 4666 4667 logCriticalInfo(Log.INFO, 4668 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4669 return PackageManager.SIGNATURE_NO_MATCH; 4670 } 4671 4672 @Override 4673 public List<String> getAllPackages() { 4674 synchronized (mPackages) { 4675 return new ArrayList<String>(mPackages.keySet()); 4676 } 4677 } 4678 4679 @Override 4680 public String[] getPackagesForUid(int uid) { 4681 uid = UserHandle.getAppId(uid); 4682 // reader 4683 synchronized (mPackages) { 4684 Object obj = mSettings.getUserIdLPr(uid); 4685 if (obj instanceof SharedUserSetting) { 4686 final SharedUserSetting sus = (SharedUserSetting) obj; 4687 final int N = sus.packages.size(); 4688 final String[] res = new String[N]; 4689 for (int i = 0; i < N; i++) { 4690 res[i] = sus.packages.valueAt(i).name; 4691 } 4692 return res; 4693 } else if (obj instanceof PackageSetting) { 4694 final PackageSetting ps = (PackageSetting) obj; 4695 return new String[] { ps.name }; 4696 } 4697 } 4698 return null; 4699 } 4700 4701 @Override 4702 public String getNameForUid(int uid) { 4703 // reader 4704 synchronized (mPackages) { 4705 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4706 if (obj instanceof SharedUserSetting) { 4707 final SharedUserSetting sus = (SharedUserSetting) obj; 4708 return sus.name + ":" + sus.userId; 4709 } else if (obj instanceof PackageSetting) { 4710 final PackageSetting ps = (PackageSetting) obj; 4711 return ps.name; 4712 } 4713 } 4714 return null; 4715 } 4716 4717 @Override 4718 public int getUidForSharedUser(String sharedUserName) { 4719 if(sharedUserName == null) { 4720 return -1; 4721 } 4722 // reader 4723 synchronized (mPackages) { 4724 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4725 if (suid == null) { 4726 return -1; 4727 } 4728 return suid.userId; 4729 } 4730 } 4731 4732 @Override 4733 public int getFlagsForUid(int uid) { 4734 synchronized (mPackages) { 4735 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4736 if (obj instanceof SharedUserSetting) { 4737 final SharedUserSetting sus = (SharedUserSetting) obj; 4738 return sus.pkgFlags; 4739 } else if (obj instanceof PackageSetting) { 4740 final PackageSetting ps = (PackageSetting) obj; 4741 return ps.pkgFlags; 4742 } 4743 } 4744 return 0; 4745 } 4746 4747 @Override 4748 public int getPrivateFlagsForUid(int uid) { 4749 synchronized (mPackages) { 4750 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4751 if (obj instanceof SharedUserSetting) { 4752 final SharedUserSetting sus = (SharedUserSetting) obj; 4753 return sus.pkgPrivateFlags; 4754 } else if (obj instanceof PackageSetting) { 4755 final PackageSetting ps = (PackageSetting) obj; 4756 return ps.pkgPrivateFlags; 4757 } 4758 } 4759 return 0; 4760 } 4761 4762 @Override 4763 public boolean isUidPrivileged(int uid) { 4764 uid = UserHandle.getAppId(uid); 4765 // reader 4766 synchronized (mPackages) { 4767 Object obj = mSettings.getUserIdLPr(uid); 4768 if (obj instanceof SharedUserSetting) { 4769 final SharedUserSetting sus = (SharedUserSetting) obj; 4770 final Iterator<PackageSetting> it = sus.packages.iterator(); 4771 while (it.hasNext()) { 4772 if (it.next().isPrivileged()) { 4773 return true; 4774 } 4775 } 4776 } else if (obj instanceof PackageSetting) { 4777 final PackageSetting ps = (PackageSetting) obj; 4778 return ps.isPrivileged(); 4779 } 4780 } 4781 return false; 4782 } 4783 4784 @Override 4785 public String[] getAppOpPermissionPackages(String permissionName) { 4786 synchronized (mPackages) { 4787 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4788 if (pkgs == null) { 4789 return null; 4790 } 4791 return pkgs.toArray(new String[pkgs.size()]); 4792 } 4793 } 4794 4795 @Override 4796 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4797 int flags, int userId) { 4798 try { 4799 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4800 4801 if (!sUserManager.exists(userId)) return null; 4802 flags = updateFlagsForResolve(flags, userId, intent); 4803 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4804 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4805 4806 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4807 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4808 flags, userId); 4809 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4810 4811 final ResolveInfo bestChoice = 4812 chooseBestActivity(intent, resolvedType, flags, query, userId); 4813 return bestChoice; 4814 } finally { 4815 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4816 } 4817 } 4818 4819 @Override 4820 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4821 IntentFilter filter, int match, ComponentName activity) { 4822 final int userId = UserHandle.getCallingUserId(); 4823 if (DEBUG_PREFERRED) { 4824 Log.v(TAG, "setLastChosenActivity intent=" + intent 4825 + " resolvedType=" + resolvedType 4826 + " flags=" + flags 4827 + " filter=" + filter 4828 + " match=" + match 4829 + " activity=" + activity); 4830 filter.dump(new PrintStreamPrinter(System.out), " "); 4831 } 4832 intent.setComponent(null); 4833 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4834 userId); 4835 // Find any earlier preferred or last chosen entries and nuke them 4836 findPreferredActivity(intent, resolvedType, 4837 flags, query, 0, false, true, false, userId); 4838 // Add the new activity as the last chosen for this filter 4839 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4840 "Setting last chosen"); 4841 } 4842 4843 @Override 4844 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4845 final int userId = UserHandle.getCallingUserId(); 4846 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4847 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4848 userId); 4849 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4850 false, false, false, userId); 4851 } 4852 4853 private boolean isEphemeralDisabled() { 4854 // ephemeral apps have been disabled across the board 4855 if (DISABLE_EPHEMERAL_APPS) { 4856 return true; 4857 } 4858 // system isn't up yet; can't read settings, so, assume no ephemeral apps 4859 if (!mSystemReady) { 4860 return true; 4861 } 4862 // we can't get a content resolver until the system is ready; these checks must happen last 4863 final ContentResolver resolver = mContext.getContentResolver(); 4864 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 4865 return true; 4866 } 4867 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 4868 } 4869 4870 private boolean isEphemeralAllowed( 4871 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 4872 boolean skipPackageCheck) { 4873 // Short circuit and return early if possible. 4874 if (isEphemeralDisabled()) { 4875 return false; 4876 } 4877 final int callingUser = UserHandle.getCallingUserId(); 4878 if (callingUser != UserHandle.USER_SYSTEM) { 4879 return false; 4880 } 4881 if (mEphemeralResolverConnection == null) { 4882 return false; 4883 } 4884 if (intent.getComponent() != null) { 4885 return false; 4886 } 4887 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 4888 return false; 4889 } 4890 if (!skipPackageCheck && intent.getPackage() != null) { 4891 return false; 4892 } 4893 final boolean isWebUri = hasWebURI(intent); 4894 if (!isWebUri || intent.getData().getHost() == null) { 4895 return false; 4896 } 4897 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4898 synchronized (mPackages) { 4899 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 4900 for (int n = 0; n < count; n++) { 4901 ResolveInfo info = resolvedActivities.get(n); 4902 String packageName = info.activityInfo.packageName; 4903 PackageSetting ps = mSettings.mPackages.get(packageName); 4904 if (ps != null) { 4905 // Try to get the status from User settings first 4906 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4907 int status = (int) (packedStatus >> 32); 4908 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4909 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4910 if (DEBUG_EPHEMERAL) { 4911 Slog.v(TAG, "DENY ephemeral apps;" 4912 + " pkg: " + packageName + ", status: " + status); 4913 } 4914 return false; 4915 } 4916 } 4917 } 4918 } 4919 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4920 return true; 4921 } 4922 4923 private static EphemeralResolveInfo getEphemeralResolveInfo( 4924 Context context, EphemeralResolverConnection resolverConnection, Intent intent, 4925 String resolvedType, int userId, String packageName) { 4926 final int ephemeralPrefixMask = Global.getInt(context.getContentResolver(), 4927 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4928 final int ephemeralPrefixCount = Global.getInt(context.getContentResolver(), 4929 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4930 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4931 ephemeralPrefixCount); 4932 final int[] shaPrefix = digest.getDigestPrefix(); 4933 final byte[][] digestBytes = digest.getDigestBytes(); 4934 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4935 resolverConnection.getEphemeralResolveInfoList(shaPrefix, ephemeralPrefixMask); 4936 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4937 // No hash prefix match; there are no ephemeral apps for this domain. 4938 return null; 4939 } 4940 4941 // Go in reverse order so we match the narrowest scope first. 4942 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4943 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4944 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4945 continue; 4946 } 4947 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4948 // No filters; this should never happen. 4949 if (filters.isEmpty()) { 4950 continue; 4951 } 4952 if (packageName != null 4953 && !packageName.equals(ephemeralApplication.getPackageName())) { 4954 continue; 4955 } 4956 // We have a domain match; resolve the filters to see if anything matches. 4957 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4958 for (int j = filters.size() - 1; j >= 0; --j) { 4959 final EphemeralResolveIntentInfo intentInfo = 4960 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4961 ephemeralResolver.addFilter(intentInfo); 4962 } 4963 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4964 intent, resolvedType, false /*defaultOnly*/, userId); 4965 if (!matchedResolveInfoList.isEmpty()) { 4966 return matchedResolveInfoList.get(0); 4967 } 4968 } 4969 } 4970 // Hash or filter mis-match; no ephemeral apps for this domain. 4971 return null; 4972 } 4973 4974 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4975 int flags, List<ResolveInfo> query, int userId) { 4976 if (query != null) { 4977 final int N = query.size(); 4978 if (N == 1) { 4979 return query.get(0); 4980 } else if (N > 1) { 4981 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4982 // If there is more than one activity with the same priority, 4983 // then let the user decide between them. 4984 ResolveInfo r0 = query.get(0); 4985 ResolveInfo r1 = query.get(1); 4986 if (DEBUG_INTENT_MATCHING || debug) { 4987 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4988 + r1.activityInfo.name + "=" + r1.priority); 4989 } 4990 // If the first activity has a higher priority, or a different 4991 // default, then it is always desirable to pick it. 4992 if (r0.priority != r1.priority 4993 || r0.preferredOrder != r1.preferredOrder 4994 || r0.isDefault != r1.isDefault) { 4995 return query.get(0); 4996 } 4997 // If we have saved a preference for a preferred activity for 4998 // this Intent, use that. 4999 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5000 flags, query, r0.priority, true, false, debug, userId); 5001 if (ri != null) { 5002 return ri; 5003 } 5004 ri = new ResolveInfo(mResolveInfo); 5005 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5006 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5007 // If all of the options come from the same package, show the application's 5008 // label and icon instead of the generic resolver's. 5009 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5010 // and then throw away the ResolveInfo itself, meaning that the caller loses 5011 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5012 // a fallback for this case; we only set the target package's resources on 5013 // the ResolveInfo, not the ActivityInfo. 5014 final String intentPackage = intent.getPackage(); 5015 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5016 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5017 ri.resolvePackageName = intentPackage; 5018 if (userNeedsBadging(userId)) { 5019 ri.noResourceId = true; 5020 } else { 5021 ri.icon = appi.icon; 5022 } 5023 ri.iconResourceId = appi.icon; 5024 ri.labelRes = appi.labelRes; 5025 } 5026 ri.activityInfo.applicationInfo = new ApplicationInfo( 5027 ri.activityInfo.applicationInfo); 5028 if (userId != 0) { 5029 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5030 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5031 } 5032 // Make sure that the resolver is displayable in car mode 5033 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5034 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5035 return ri; 5036 } 5037 } 5038 return null; 5039 } 5040 5041 /** 5042 * Return true if the given list is not empty and all of its contents have 5043 * an activityInfo with the given package name. 5044 */ 5045 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5046 if (ArrayUtils.isEmpty(list)) { 5047 return false; 5048 } 5049 for (int i = 0, N = list.size(); i < N; i++) { 5050 final ResolveInfo ri = list.get(i); 5051 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5052 if (ai == null || !packageName.equals(ai.packageName)) { 5053 return false; 5054 } 5055 } 5056 return true; 5057 } 5058 5059 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5060 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5061 final int N = query.size(); 5062 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5063 .get(userId); 5064 // Get the list of persistent preferred activities that handle the intent 5065 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5066 List<PersistentPreferredActivity> pprefs = ppir != null 5067 ? ppir.queryIntent(intent, resolvedType, 5068 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5069 : null; 5070 if (pprefs != null && pprefs.size() > 0) { 5071 final int M = pprefs.size(); 5072 for (int i=0; i<M; i++) { 5073 final PersistentPreferredActivity ppa = pprefs.get(i); 5074 if (DEBUG_PREFERRED || debug) { 5075 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5076 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5077 + "\n component=" + ppa.mComponent); 5078 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5079 } 5080 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5081 flags | MATCH_DISABLED_COMPONENTS, userId); 5082 if (DEBUG_PREFERRED || debug) { 5083 Slog.v(TAG, "Found persistent preferred activity:"); 5084 if (ai != null) { 5085 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5086 } else { 5087 Slog.v(TAG, " null"); 5088 } 5089 } 5090 if (ai == null) { 5091 // This previously registered persistent preferred activity 5092 // component is no longer known. Ignore it and do NOT remove it. 5093 continue; 5094 } 5095 for (int j=0; j<N; j++) { 5096 final ResolveInfo ri = query.get(j); 5097 if (!ri.activityInfo.applicationInfo.packageName 5098 .equals(ai.applicationInfo.packageName)) { 5099 continue; 5100 } 5101 if (!ri.activityInfo.name.equals(ai.name)) { 5102 continue; 5103 } 5104 // Found a persistent preference that can handle the intent. 5105 if (DEBUG_PREFERRED || debug) { 5106 Slog.v(TAG, "Returning persistent preferred activity: " + 5107 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5108 } 5109 return ri; 5110 } 5111 } 5112 } 5113 return null; 5114 } 5115 5116 // TODO: handle preferred activities missing while user has amnesia 5117 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5118 List<ResolveInfo> query, int priority, boolean always, 5119 boolean removeMatches, boolean debug, int userId) { 5120 if (!sUserManager.exists(userId)) return null; 5121 flags = updateFlagsForResolve(flags, userId, intent); 5122 // writer 5123 synchronized (mPackages) { 5124 if (intent.getSelector() != null) { 5125 intent = intent.getSelector(); 5126 } 5127 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5128 5129 // Try to find a matching persistent preferred activity. 5130 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5131 debug, userId); 5132 5133 // If a persistent preferred activity matched, use it. 5134 if (pri != null) { 5135 return pri; 5136 } 5137 5138 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5139 // Get the list of preferred activities that handle the intent 5140 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5141 List<PreferredActivity> prefs = pir != null 5142 ? pir.queryIntent(intent, resolvedType, 5143 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5144 : null; 5145 if (prefs != null && prefs.size() > 0) { 5146 boolean changed = false; 5147 try { 5148 // First figure out how good the original match set is. 5149 // We will only allow preferred activities that came 5150 // from the same match quality. 5151 int match = 0; 5152 5153 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5154 5155 final int N = query.size(); 5156 for (int j=0; j<N; j++) { 5157 final ResolveInfo ri = query.get(j); 5158 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5159 + ": 0x" + Integer.toHexString(match)); 5160 if (ri.match > match) { 5161 match = ri.match; 5162 } 5163 } 5164 5165 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5166 + Integer.toHexString(match)); 5167 5168 match &= IntentFilter.MATCH_CATEGORY_MASK; 5169 final int M = prefs.size(); 5170 for (int i=0; i<M; i++) { 5171 final PreferredActivity pa = prefs.get(i); 5172 if (DEBUG_PREFERRED || debug) { 5173 Slog.v(TAG, "Checking PreferredActivity ds=" 5174 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5175 + "\n component=" + pa.mPref.mComponent); 5176 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5177 } 5178 if (pa.mPref.mMatch != match) { 5179 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5180 + Integer.toHexString(pa.mPref.mMatch)); 5181 continue; 5182 } 5183 // If it's not an "always" type preferred activity and that's what we're 5184 // looking for, skip it. 5185 if (always && !pa.mPref.mAlways) { 5186 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5187 continue; 5188 } 5189 final ActivityInfo ai = getActivityInfo( 5190 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5191 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5192 userId); 5193 if (DEBUG_PREFERRED || debug) { 5194 Slog.v(TAG, "Found preferred activity:"); 5195 if (ai != null) { 5196 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5197 } else { 5198 Slog.v(TAG, " null"); 5199 } 5200 } 5201 if (ai == null) { 5202 // This previously registered preferred activity 5203 // component is no longer known. Most likely an update 5204 // to the app was installed and in the new version this 5205 // component no longer exists. Clean it up by removing 5206 // it from the preferred activities list, and skip it. 5207 Slog.w(TAG, "Removing dangling preferred activity: " 5208 + pa.mPref.mComponent); 5209 pir.removeFilter(pa); 5210 changed = true; 5211 continue; 5212 } 5213 for (int j=0; j<N; j++) { 5214 final ResolveInfo ri = query.get(j); 5215 if (!ri.activityInfo.applicationInfo.packageName 5216 .equals(ai.applicationInfo.packageName)) { 5217 continue; 5218 } 5219 if (!ri.activityInfo.name.equals(ai.name)) { 5220 continue; 5221 } 5222 5223 if (removeMatches) { 5224 pir.removeFilter(pa); 5225 changed = true; 5226 if (DEBUG_PREFERRED) { 5227 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5228 } 5229 break; 5230 } 5231 5232 // Okay we found a previously set preferred or last chosen app. 5233 // If the result set is different from when this 5234 // was created, we need to clear it and re-ask the 5235 // user their preference, if we're looking for an "always" type entry. 5236 if (always && !pa.mPref.sameSet(query)) { 5237 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5238 + intent + " type " + resolvedType); 5239 if (DEBUG_PREFERRED) { 5240 Slog.v(TAG, "Removing preferred activity since set changed " 5241 + pa.mPref.mComponent); 5242 } 5243 pir.removeFilter(pa); 5244 // Re-add the filter as a "last chosen" entry (!always) 5245 PreferredActivity lastChosen = new PreferredActivity( 5246 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5247 pir.addFilter(lastChosen); 5248 changed = true; 5249 return null; 5250 } 5251 5252 // Yay! Either the set matched or we're looking for the last chosen 5253 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5254 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5255 return ri; 5256 } 5257 } 5258 } finally { 5259 if (changed) { 5260 if (DEBUG_PREFERRED) { 5261 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5262 } 5263 scheduleWritePackageRestrictionsLocked(userId); 5264 } 5265 } 5266 } 5267 } 5268 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5269 return null; 5270 } 5271 5272 /* 5273 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5274 */ 5275 @Override 5276 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5277 int targetUserId) { 5278 mContext.enforceCallingOrSelfPermission( 5279 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5280 List<CrossProfileIntentFilter> matches = 5281 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5282 if (matches != null) { 5283 int size = matches.size(); 5284 for (int i = 0; i < size; i++) { 5285 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5286 } 5287 } 5288 if (hasWebURI(intent)) { 5289 // cross-profile app linking works only towards the parent. 5290 final UserInfo parent = getProfileParent(sourceUserId); 5291 synchronized(mPackages) { 5292 int flags = updateFlagsForResolve(0, parent.id, intent); 5293 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5294 intent, resolvedType, flags, sourceUserId, parent.id); 5295 return xpDomainInfo != null; 5296 } 5297 } 5298 return false; 5299 } 5300 5301 private UserInfo getProfileParent(int userId) { 5302 final long identity = Binder.clearCallingIdentity(); 5303 try { 5304 return sUserManager.getProfileParent(userId); 5305 } finally { 5306 Binder.restoreCallingIdentity(identity); 5307 } 5308 } 5309 5310 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5311 String resolvedType, int userId) { 5312 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5313 if (resolver != null) { 5314 return resolver.queryIntent(intent, resolvedType, false, userId); 5315 } 5316 return null; 5317 } 5318 5319 @Override 5320 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5321 String resolvedType, int flags, int userId) { 5322 try { 5323 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5324 5325 return new ParceledListSlice<>( 5326 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5327 } finally { 5328 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5329 } 5330 } 5331 5332 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5333 String resolvedType, int flags, int userId) { 5334 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5335 flags = updateFlagsForResolve(flags, userId, intent); 5336 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5337 false /* requireFullPermission */, false /* checkShell */, 5338 "query intent activities"); 5339 ComponentName comp = intent.getComponent(); 5340 if (comp == null) { 5341 if (intent.getSelector() != null) { 5342 intent = intent.getSelector(); 5343 comp = intent.getComponent(); 5344 } 5345 } 5346 5347 if (comp != null) { 5348 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5349 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5350 if (ai != null) { 5351 final ResolveInfo ri = new ResolveInfo(); 5352 ri.activityInfo = ai; 5353 list.add(ri); 5354 } 5355 return list; 5356 } 5357 5358 // reader 5359 boolean sortResult = false; 5360 boolean addEphemeral = false; 5361 boolean matchEphemeralPackage = false; 5362 List<ResolveInfo> result; 5363 final String pkgName = intent.getPackage(); 5364 synchronized (mPackages) { 5365 if (pkgName == null) { 5366 List<CrossProfileIntentFilter> matchingFilters = 5367 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5368 // Check for results that need to skip the current profile. 5369 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5370 resolvedType, flags, userId); 5371 if (xpResolveInfo != null) { 5372 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5373 xpResult.add(xpResolveInfo); 5374 return filterIfNotSystemUser(xpResult, userId); 5375 } 5376 5377 // Check for results in the current profile. 5378 result = filterIfNotSystemUser(mActivities.queryIntent( 5379 intent, resolvedType, flags, userId), userId); 5380 addEphemeral = 5381 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5382 5383 // Check for cross profile results. 5384 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5385 xpResolveInfo = queryCrossProfileIntents( 5386 matchingFilters, intent, resolvedType, flags, userId, 5387 hasNonNegativePriorityResult); 5388 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5389 boolean isVisibleToUser = filterIfNotSystemUser( 5390 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5391 if (isVisibleToUser) { 5392 result.add(xpResolveInfo); 5393 sortResult = true; 5394 } 5395 } 5396 if (hasWebURI(intent)) { 5397 CrossProfileDomainInfo xpDomainInfo = null; 5398 final UserInfo parent = getProfileParent(userId); 5399 if (parent != null) { 5400 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5401 flags, userId, parent.id); 5402 } 5403 if (xpDomainInfo != null) { 5404 if (xpResolveInfo != null) { 5405 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5406 // in the result. 5407 result.remove(xpResolveInfo); 5408 } 5409 if (result.size() == 0 && !addEphemeral) { 5410 result.add(xpDomainInfo.resolveInfo); 5411 return result; 5412 } 5413 } 5414 if (result.size() > 1 || addEphemeral) { 5415 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5416 intent, flags, result, xpDomainInfo, userId); 5417 sortResult = true; 5418 } 5419 } 5420 } else { 5421 final PackageParser.Package pkg = mPackages.get(pkgName); 5422 if (pkg != null) { 5423 result = filterIfNotSystemUser( 5424 mActivities.queryIntentForPackage( 5425 intent, resolvedType, flags, pkg.activities, userId), 5426 userId); 5427 } else { 5428 // the caller wants to resolve for a particular package; however, there 5429 // were no installed results, so, try to find an ephemeral result 5430 addEphemeral = isEphemeralAllowed( 5431 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5432 matchEphemeralPackage = true; 5433 result = new ArrayList<ResolveInfo>(); 5434 } 5435 } 5436 } 5437 if (addEphemeral) { 5438 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5439 final EphemeralResolveInfo ai = getEphemeralResolveInfo( 5440 mContext, mEphemeralResolverConnection, intent, resolvedType, userId, 5441 matchEphemeralPackage ? pkgName : null); 5442 if (ai != null) { 5443 if (DEBUG_EPHEMERAL) { 5444 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5445 } 5446 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5447 ephemeralInstaller.ephemeralResolveInfo = ai; 5448 // make sure this resolver is the default 5449 ephemeralInstaller.isDefault = true; 5450 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5451 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5452 // add a non-generic filter 5453 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5454 ephemeralInstaller.filter.addDataPath( 5455 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5456 result.add(ephemeralInstaller); 5457 } 5458 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5459 } 5460 if (sortResult) { 5461 Collections.sort(result, mResolvePrioritySorter); 5462 } 5463 return result; 5464 } 5465 5466 private static class CrossProfileDomainInfo { 5467 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5468 ResolveInfo resolveInfo; 5469 /* Best domain verification status of the activities found in the other profile */ 5470 int bestDomainVerificationStatus; 5471 } 5472 5473 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5474 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5475 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5476 sourceUserId)) { 5477 return null; 5478 } 5479 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5480 resolvedType, flags, parentUserId); 5481 5482 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5483 return null; 5484 } 5485 CrossProfileDomainInfo result = null; 5486 int size = resultTargetUser.size(); 5487 for (int i = 0; i < size; i++) { 5488 ResolveInfo riTargetUser = resultTargetUser.get(i); 5489 // Intent filter verification is only for filters that specify a host. So don't return 5490 // those that handle all web uris. 5491 if (riTargetUser.handleAllWebDataURI) { 5492 continue; 5493 } 5494 String packageName = riTargetUser.activityInfo.packageName; 5495 PackageSetting ps = mSettings.mPackages.get(packageName); 5496 if (ps == null) { 5497 continue; 5498 } 5499 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5500 int status = (int)(verificationState >> 32); 5501 if (result == null) { 5502 result = new CrossProfileDomainInfo(); 5503 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5504 sourceUserId, parentUserId); 5505 result.bestDomainVerificationStatus = status; 5506 } else { 5507 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5508 result.bestDomainVerificationStatus); 5509 } 5510 } 5511 // Don't consider matches with status NEVER across profiles. 5512 if (result != null && result.bestDomainVerificationStatus 5513 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5514 return null; 5515 } 5516 return result; 5517 } 5518 5519 /** 5520 * Verification statuses are ordered from the worse to the best, except for 5521 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5522 */ 5523 private int bestDomainVerificationStatus(int status1, int status2) { 5524 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5525 return status2; 5526 } 5527 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5528 return status1; 5529 } 5530 return (int) MathUtils.max(status1, status2); 5531 } 5532 5533 private boolean isUserEnabled(int userId) { 5534 long callingId = Binder.clearCallingIdentity(); 5535 try { 5536 UserInfo userInfo = sUserManager.getUserInfo(userId); 5537 return userInfo != null && userInfo.isEnabled(); 5538 } finally { 5539 Binder.restoreCallingIdentity(callingId); 5540 } 5541 } 5542 5543 /** 5544 * Filter out activities with systemUserOnly flag set, when current user is not System. 5545 * 5546 * @return filtered list 5547 */ 5548 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5549 if (userId == UserHandle.USER_SYSTEM) { 5550 return resolveInfos; 5551 } 5552 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5553 ResolveInfo info = resolveInfos.get(i); 5554 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5555 resolveInfos.remove(i); 5556 } 5557 } 5558 return resolveInfos; 5559 } 5560 5561 /** 5562 * @param resolveInfos list of resolve infos in descending priority order 5563 * @return if the list contains a resolve info with non-negative priority 5564 */ 5565 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5566 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5567 } 5568 5569 private static boolean hasWebURI(Intent intent) { 5570 if (intent.getData() == null) { 5571 return false; 5572 } 5573 final String scheme = intent.getScheme(); 5574 if (TextUtils.isEmpty(scheme)) { 5575 return false; 5576 } 5577 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5578 } 5579 5580 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5581 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5582 int userId) { 5583 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5584 5585 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5586 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5587 candidates.size()); 5588 } 5589 5590 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5591 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5592 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5593 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5594 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5595 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5596 5597 synchronized (mPackages) { 5598 final int count = candidates.size(); 5599 // First, try to use linked apps. Partition the candidates into four lists: 5600 // one for the final results, one for the "do not use ever", one for "undefined status" 5601 // and finally one for "browser app type". 5602 for (int n=0; n<count; n++) { 5603 ResolveInfo info = candidates.get(n); 5604 String packageName = info.activityInfo.packageName; 5605 PackageSetting ps = mSettings.mPackages.get(packageName); 5606 if (ps != null) { 5607 // Add to the special match all list (Browser use case) 5608 if (info.handleAllWebDataURI) { 5609 matchAllList.add(info); 5610 continue; 5611 } 5612 // Try to get the status from User settings first 5613 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5614 int status = (int)(packedStatus >> 32); 5615 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5616 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5617 if (DEBUG_DOMAIN_VERIFICATION) { 5618 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5619 + " : linkgen=" + linkGeneration); 5620 } 5621 // Use link-enabled generation as preferredOrder, i.e. 5622 // prefer newly-enabled over earlier-enabled. 5623 info.preferredOrder = linkGeneration; 5624 alwaysList.add(info); 5625 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5626 if (DEBUG_DOMAIN_VERIFICATION) { 5627 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5628 } 5629 neverList.add(info); 5630 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5631 if (DEBUG_DOMAIN_VERIFICATION) { 5632 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5633 } 5634 alwaysAskList.add(info); 5635 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5636 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5637 if (DEBUG_DOMAIN_VERIFICATION) { 5638 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5639 } 5640 undefinedList.add(info); 5641 } 5642 } 5643 } 5644 5645 // We'll want to include browser possibilities in a few cases 5646 boolean includeBrowser = false; 5647 5648 // First try to add the "always" resolution(s) for the current user, if any 5649 if (alwaysList.size() > 0) { 5650 result.addAll(alwaysList); 5651 } else { 5652 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5653 result.addAll(undefinedList); 5654 // Maybe add one for the other profile. 5655 if (xpDomainInfo != null && ( 5656 xpDomainInfo.bestDomainVerificationStatus 5657 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5658 result.add(xpDomainInfo.resolveInfo); 5659 } 5660 includeBrowser = true; 5661 } 5662 5663 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5664 // If there were 'always' entries their preferred order has been set, so we also 5665 // back that off to make the alternatives equivalent 5666 if (alwaysAskList.size() > 0) { 5667 for (ResolveInfo i : result) { 5668 i.preferredOrder = 0; 5669 } 5670 result.addAll(alwaysAskList); 5671 includeBrowser = true; 5672 } 5673 5674 if (includeBrowser) { 5675 // Also add browsers (all of them or only the default one) 5676 if (DEBUG_DOMAIN_VERIFICATION) { 5677 Slog.v(TAG, " ...including browsers in candidate set"); 5678 } 5679 if ((matchFlags & MATCH_ALL) != 0) { 5680 result.addAll(matchAllList); 5681 } else { 5682 // Browser/generic handling case. If there's a default browser, go straight 5683 // to that (but only if there is no other higher-priority match). 5684 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5685 int maxMatchPrio = 0; 5686 ResolveInfo defaultBrowserMatch = null; 5687 final int numCandidates = matchAllList.size(); 5688 for (int n = 0; n < numCandidates; n++) { 5689 ResolveInfo info = matchAllList.get(n); 5690 // track the highest overall match priority... 5691 if (info.priority > maxMatchPrio) { 5692 maxMatchPrio = info.priority; 5693 } 5694 // ...and the highest-priority default browser match 5695 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5696 if (defaultBrowserMatch == null 5697 || (defaultBrowserMatch.priority < info.priority)) { 5698 if (debug) { 5699 Slog.v(TAG, "Considering default browser match " + info); 5700 } 5701 defaultBrowserMatch = info; 5702 } 5703 } 5704 } 5705 if (defaultBrowserMatch != null 5706 && defaultBrowserMatch.priority >= maxMatchPrio 5707 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5708 { 5709 if (debug) { 5710 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5711 } 5712 result.add(defaultBrowserMatch); 5713 } else { 5714 result.addAll(matchAllList); 5715 } 5716 } 5717 5718 // If there is nothing selected, add all candidates and remove the ones that the user 5719 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5720 if (result.size() == 0) { 5721 result.addAll(candidates); 5722 result.removeAll(neverList); 5723 } 5724 } 5725 } 5726 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5727 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5728 result.size()); 5729 for (ResolveInfo info : result) { 5730 Slog.v(TAG, " + " + info.activityInfo); 5731 } 5732 } 5733 return result; 5734 } 5735 5736 // Returns a packed value as a long: 5737 // 5738 // high 'int'-sized word: link status: undefined/ask/never/always. 5739 // low 'int'-sized word: relative priority among 'always' results. 5740 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5741 long result = ps.getDomainVerificationStatusForUser(userId); 5742 // if none available, get the master status 5743 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5744 if (ps.getIntentFilterVerificationInfo() != null) { 5745 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5746 } 5747 } 5748 return result; 5749 } 5750 5751 private ResolveInfo querySkipCurrentProfileIntents( 5752 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5753 int flags, int sourceUserId) { 5754 if (matchingFilters != null) { 5755 int size = matchingFilters.size(); 5756 for (int i = 0; i < size; i ++) { 5757 CrossProfileIntentFilter filter = matchingFilters.get(i); 5758 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5759 // Checking if there are activities in the target user that can handle the 5760 // intent. 5761 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5762 resolvedType, flags, sourceUserId); 5763 if (resolveInfo != null) { 5764 return resolveInfo; 5765 } 5766 } 5767 } 5768 } 5769 return null; 5770 } 5771 5772 // Return matching ResolveInfo in target user if any. 5773 private ResolveInfo queryCrossProfileIntents( 5774 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5775 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5776 if (matchingFilters != null) { 5777 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5778 // match the same intent. For performance reasons, it is better not to 5779 // run queryIntent twice for the same userId 5780 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5781 int size = matchingFilters.size(); 5782 for (int i = 0; i < size; i++) { 5783 CrossProfileIntentFilter filter = matchingFilters.get(i); 5784 int targetUserId = filter.getTargetUserId(); 5785 boolean skipCurrentProfile = 5786 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5787 boolean skipCurrentProfileIfNoMatchFound = 5788 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5789 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5790 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5791 // Checking if there are activities in the target user that can handle the 5792 // intent. 5793 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5794 resolvedType, flags, sourceUserId); 5795 if (resolveInfo != null) return resolveInfo; 5796 alreadyTriedUserIds.put(targetUserId, true); 5797 } 5798 } 5799 } 5800 return null; 5801 } 5802 5803 /** 5804 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5805 * will forward the intent to the filter's target user. 5806 * Otherwise, returns null. 5807 */ 5808 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5809 String resolvedType, int flags, int sourceUserId) { 5810 int targetUserId = filter.getTargetUserId(); 5811 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5812 resolvedType, flags, targetUserId); 5813 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5814 // If all the matches in the target profile are suspended, return null. 5815 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5816 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5817 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5818 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5819 targetUserId); 5820 } 5821 } 5822 } 5823 return null; 5824 } 5825 5826 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5827 int sourceUserId, int targetUserId) { 5828 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5829 long ident = Binder.clearCallingIdentity(); 5830 boolean targetIsProfile; 5831 try { 5832 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5833 } finally { 5834 Binder.restoreCallingIdentity(ident); 5835 } 5836 String className; 5837 if (targetIsProfile) { 5838 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5839 } else { 5840 className = FORWARD_INTENT_TO_PARENT; 5841 } 5842 ComponentName forwardingActivityComponentName = new ComponentName( 5843 mAndroidApplication.packageName, className); 5844 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5845 sourceUserId); 5846 if (!targetIsProfile) { 5847 forwardingActivityInfo.showUserIcon = targetUserId; 5848 forwardingResolveInfo.noResourceId = true; 5849 } 5850 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5851 forwardingResolveInfo.priority = 0; 5852 forwardingResolveInfo.preferredOrder = 0; 5853 forwardingResolveInfo.match = 0; 5854 forwardingResolveInfo.isDefault = true; 5855 forwardingResolveInfo.filter = filter; 5856 forwardingResolveInfo.targetUserId = targetUserId; 5857 return forwardingResolveInfo; 5858 } 5859 5860 @Override 5861 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5862 Intent[] specifics, String[] specificTypes, Intent intent, 5863 String resolvedType, int flags, int userId) { 5864 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5865 specificTypes, intent, resolvedType, flags, userId)); 5866 } 5867 5868 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5869 Intent[] specifics, String[] specificTypes, Intent intent, 5870 String resolvedType, int flags, int userId) { 5871 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5872 flags = updateFlagsForResolve(flags, userId, intent); 5873 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5874 false /* requireFullPermission */, false /* checkShell */, 5875 "query intent activity options"); 5876 final String resultsAction = intent.getAction(); 5877 5878 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5879 | PackageManager.GET_RESOLVED_FILTER, userId); 5880 5881 if (DEBUG_INTENT_MATCHING) { 5882 Log.v(TAG, "Query " + intent + ": " + results); 5883 } 5884 5885 int specificsPos = 0; 5886 int N; 5887 5888 // todo: note that the algorithm used here is O(N^2). This 5889 // isn't a problem in our current environment, but if we start running 5890 // into situations where we have more than 5 or 10 matches then this 5891 // should probably be changed to something smarter... 5892 5893 // First we go through and resolve each of the specific items 5894 // that were supplied, taking care of removing any corresponding 5895 // duplicate items in the generic resolve list. 5896 if (specifics != null) { 5897 for (int i=0; i<specifics.length; i++) { 5898 final Intent sintent = specifics[i]; 5899 if (sintent == null) { 5900 continue; 5901 } 5902 5903 if (DEBUG_INTENT_MATCHING) { 5904 Log.v(TAG, "Specific #" + i + ": " + sintent); 5905 } 5906 5907 String action = sintent.getAction(); 5908 if (resultsAction != null && resultsAction.equals(action)) { 5909 // If this action was explicitly requested, then don't 5910 // remove things that have it. 5911 action = null; 5912 } 5913 5914 ResolveInfo ri = null; 5915 ActivityInfo ai = null; 5916 5917 ComponentName comp = sintent.getComponent(); 5918 if (comp == null) { 5919 ri = resolveIntent( 5920 sintent, 5921 specificTypes != null ? specificTypes[i] : null, 5922 flags, userId); 5923 if (ri == null) { 5924 continue; 5925 } 5926 if (ri == mResolveInfo) { 5927 // ACK! Must do something better with this. 5928 } 5929 ai = ri.activityInfo; 5930 comp = new ComponentName(ai.applicationInfo.packageName, 5931 ai.name); 5932 } else { 5933 ai = getActivityInfo(comp, flags, userId); 5934 if (ai == null) { 5935 continue; 5936 } 5937 } 5938 5939 // Look for any generic query activities that are duplicates 5940 // of this specific one, and remove them from the results. 5941 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5942 N = results.size(); 5943 int j; 5944 for (j=specificsPos; j<N; j++) { 5945 ResolveInfo sri = results.get(j); 5946 if ((sri.activityInfo.name.equals(comp.getClassName()) 5947 && sri.activityInfo.applicationInfo.packageName.equals( 5948 comp.getPackageName())) 5949 || (action != null && sri.filter.matchAction(action))) { 5950 results.remove(j); 5951 if (DEBUG_INTENT_MATCHING) Log.v( 5952 TAG, "Removing duplicate item from " + j 5953 + " due to specific " + specificsPos); 5954 if (ri == null) { 5955 ri = sri; 5956 } 5957 j--; 5958 N--; 5959 } 5960 } 5961 5962 // Add this specific item to its proper place. 5963 if (ri == null) { 5964 ri = new ResolveInfo(); 5965 ri.activityInfo = ai; 5966 } 5967 results.add(specificsPos, ri); 5968 ri.specificIndex = i; 5969 specificsPos++; 5970 } 5971 } 5972 5973 // Now we go through the remaining generic results and remove any 5974 // duplicate actions that are found here. 5975 N = results.size(); 5976 for (int i=specificsPos; i<N-1; i++) { 5977 final ResolveInfo rii = results.get(i); 5978 if (rii.filter == null) { 5979 continue; 5980 } 5981 5982 // Iterate over all of the actions of this result's intent 5983 // filter... typically this should be just one. 5984 final Iterator<String> it = rii.filter.actionsIterator(); 5985 if (it == null) { 5986 continue; 5987 } 5988 while (it.hasNext()) { 5989 final String action = it.next(); 5990 if (resultsAction != null && resultsAction.equals(action)) { 5991 // If this action was explicitly requested, then don't 5992 // remove things that have it. 5993 continue; 5994 } 5995 for (int j=i+1; j<N; j++) { 5996 final ResolveInfo rij = results.get(j); 5997 if (rij.filter != null && rij.filter.hasAction(action)) { 5998 results.remove(j); 5999 if (DEBUG_INTENT_MATCHING) Log.v( 6000 TAG, "Removing duplicate item from " + j 6001 + " due to action " + action + " at " + i); 6002 j--; 6003 N--; 6004 } 6005 } 6006 } 6007 6008 // If the caller didn't request filter information, drop it now 6009 // so we don't have to marshall/unmarshall it. 6010 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6011 rii.filter = null; 6012 } 6013 } 6014 6015 // Filter out the caller activity if so requested. 6016 if (caller != null) { 6017 N = results.size(); 6018 for (int i=0; i<N; i++) { 6019 ActivityInfo ainfo = results.get(i).activityInfo; 6020 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6021 && caller.getClassName().equals(ainfo.name)) { 6022 results.remove(i); 6023 break; 6024 } 6025 } 6026 } 6027 6028 // If the caller didn't request filter information, 6029 // drop them now so we don't have to 6030 // marshall/unmarshall it. 6031 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6032 N = results.size(); 6033 for (int i=0; i<N; i++) { 6034 results.get(i).filter = null; 6035 } 6036 } 6037 6038 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6039 return results; 6040 } 6041 6042 @Override 6043 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6044 String resolvedType, int flags, int userId) { 6045 return new ParceledListSlice<>( 6046 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6047 } 6048 6049 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6050 String resolvedType, int flags, int userId) { 6051 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6052 flags = updateFlagsForResolve(flags, userId, intent); 6053 ComponentName comp = intent.getComponent(); 6054 if (comp == null) { 6055 if (intent.getSelector() != null) { 6056 intent = intent.getSelector(); 6057 comp = intent.getComponent(); 6058 } 6059 } 6060 if (comp != null) { 6061 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6062 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6063 if (ai != null) { 6064 ResolveInfo ri = new ResolveInfo(); 6065 ri.activityInfo = ai; 6066 list.add(ri); 6067 } 6068 return list; 6069 } 6070 6071 // reader 6072 synchronized (mPackages) { 6073 String pkgName = intent.getPackage(); 6074 if (pkgName == null) { 6075 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6076 } 6077 final PackageParser.Package pkg = mPackages.get(pkgName); 6078 if (pkg != null) { 6079 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6080 userId); 6081 } 6082 return Collections.emptyList(); 6083 } 6084 } 6085 6086 @Override 6087 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6088 if (!sUserManager.exists(userId)) return null; 6089 flags = updateFlagsForResolve(flags, userId, intent); 6090 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6091 if (query != null) { 6092 if (query.size() >= 1) { 6093 // If there is more than one service with the same priority, 6094 // just arbitrarily pick the first one. 6095 return query.get(0); 6096 } 6097 } 6098 return null; 6099 } 6100 6101 @Override 6102 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6103 String resolvedType, int flags, int userId) { 6104 return new ParceledListSlice<>( 6105 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6106 } 6107 6108 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6109 String resolvedType, int flags, int userId) { 6110 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6111 flags = updateFlagsForResolve(flags, userId, intent); 6112 ComponentName comp = intent.getComponent(); 6113 if (comp == null) { 6114 if (intent.getSelector() != null) { 6115 intent = intent.getSelector(); 6116 comp = intent.getComponent(); 6117 } 6118 } 6119 if (comp != null) { 6120 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6121 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6122 if (si != null) { 6123 final ResolveInfo ri = new ResolveInfo(); 6124 ri.serviceInfo = si; 6125 list.add(ri); 6126 } 6127 return list; 6128 } 6129 6130 // reader 6131 synchronized (mPackages) { 6132 String pkgName = intent.getPackage(); 6133 if (pkgName == null) { 6134 return mServices.queryIntent(intent, resolvedType, flags, userId); 6135 } 6136 final PackageParser.Package pkg = mPackages.get(pkgName); 6137 if (pkg != null) { 6138 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6139 userId); 6140 } 6141 return Collections.emptyList(); 6142 } 6143 } 6144 6145 @Override 6146 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6147 String resolvedType, int flags, int userId) { 6148 return new ParceledListSlice<>( 6149 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6150 } 6151 6152 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6153 Intent intent, String resolvedType, int flags, int userId) { 6154 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6155 flags = updateFlagsForResolve(flags, userId, intent); 6156 ComponentName comp = intent.getComponent(); 6157 if (comp == null) { 6158 if (intent.getSelector() != null) { 6159 intent = intent.getSelector(); 6160 comp = intent.getComponent(); 6161 } 6162 } 6163 if (comp != null) { 6164 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6165 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6166 if (pi != null) { 6167 final ResolveInfo ri = new ResolveInfo(); 6168 ri.providerInfo = pi; 6169 list.add(ri); 6170 } 6171 return list; 6172 } 6173 6174 // reader 6175 synchronized (mPackages) { 6176 String pkgName = intent.getPackage(); 6177 if (pkgName == null) { 6178 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6179 } 6180 final PackageParser.Package pkg = mPackages.get(pkgName); 6181 if (pkg != null) { 6182 return mProviders.queryIntentForPackage( 6183 intent, resolvedType, flags, pkg.providers, userId); 6184 } 6185 return Collections.emptyList(); 6186 } 6187 } 6188 6189 @Override 6190 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6191 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6192 flags = updateFlagsForPackage(flags, userId, null); 6193 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6194 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6195 true /* requireFullPermission */, false /* checkShell */, 6196 "get installed packages"); 6197 6198 // writer 6199 synchronized (mPackages) { 6200 ArrayList<PackageInfo> list; 6201 if (listUninstalled) { 6202 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6203 for (PackageSetting ps : mSettings.mPackages.values()) { 6204 final PackageInfo pi; 6205 if (ps.pkg != null) { 6206 pi = generatePackageInfo(ps, flags, userId); 6207 } else { 6208 pi = generatePackageInfo(ps, flags, userId); 6209 } 6210 if (pi != null) { 6211 list.add(pi); 6212 } 6213 } 6214 } else { 6215 list = new ArrayList<PackageInfo>(mPackages.size()); 6216 for (PackageParser.Package p : mPackages.values()) { 6217 final PackageInfo pi = 6218 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6219 if (pi != null) { 6220 list.add(pi); 6221 } 6222 } 6223 } 6224 6225 return new ParceledListSlice<PackageInfo>(list); 6226 } 6227 } 6228 6229 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6230 String[] permissions, boolean[] tmp, int flags, int userId) { 6231 int numMatch = 0; 6232 final PermissionsState permissionsState = ps.getPermissionsState(); 6233 for (int i=0; i<permissions.length; i++) { 6234 final String permission = permissions[i]; 6235 if (permissionsState.hasPermission(permission, userId)) { 6236 tmp[i] = true; 6237 numMatch++; 6238 } else { 6239 tmp[i] = false; 6240 } 6241 } 6242 if (numMatch == 0) { 6243 return; 6244 } 6245 final PackageInfo pi; 6246 if (ps.pkg != null) { 6247 pi = generatePackageInfo(ps, flags, userId); 6248 } else { 6249 pi = generatePackageInfo(ps, flags, userId); 6250 } 6251 // The above might return null in cases of uninstalled apps or install-state 6252 // skew across users/profiles. 6253 if (pi != null) { 6254 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6255 if (numMatch == permissions.length) { 6256 pi.requestedPermissions = permissions; 6257 } else { 6258 pi.requestedPermissions = new String[numMatch]; 6259 numMatch = 0; 6260 for (int i=0; i<permissions.length; i++) { 6261 if (tmp[i]) { 6262 pi.requestedPermissions[numMatch] = permissions[i]; 6263 numMatch++; 6264 } 6265 } 6266 } 6267 } 6268 list.add(pi); 6269 } 6270 } 6271 6272 @Override 6273 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6274 String[] permissions, int flags, int userId) { 6275 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6276 flags = updateFlagsForPackage(flags, userId, permissions); 6277 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6278 6279 // writer 6280 synchronized (mPackages) { 6281 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6282 boolean[] tmpBools = new boolean[permissions.length]; 6283 if (listUninstalled) { 6284 for (PackageSetting ps : mSettings.mPackages.values()) { 6285 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6286 } 6287 } else { 6288 for (PackageParser.Package pkg : mPackages.values()) { 6289 PackageSetting ps = (PackageSetting)pkg.mExtras; 6290 if (ps != null) { 6291 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6292 userId); 6293 } 6294 } 6295 } 6296 6297 return new ParceledListSlice<PackageInfo>(list); 6298 } 6299 } 6300 6301 @Override 6302 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6303 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6304 flags = updateFlagsForApplication(flags, userId, null); 6305 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6306 6307 // writer 6308 synchronized (mPackages) { 6309 ArrayList<ApplicationInfo> list; 6310 if (listUninstalled) { 6311 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6312 for (PackageSetting ps : mSettings.mPackages.values()) { 6313 ApplicationInfo ai; 6314 if (ps.pkg != null) { 6315 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6316 ps.readUserState(userId), userId); 6317 } else { 6318 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6319 } 6320 if (ai != null) { 6321 list.add(ai); 6322 } 6323 } 6324 } else { 6325 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6326 for (PackageParser.Package p : mPackages.values()) { 6327 if (p.mExtras != null) { 6328 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6329 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6330 if (ai != null) { 6331 list.add(ai); 6332 } 6333 } 6334 } 6335 } 6336 6337 return new ParceledListSlice<ApplicationInfo>(list); 6338 } 6339 } 6340 6341 @Override 6342 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6343 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6344 return null; 6345 } 6346 6347 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6348 "getEphemeralApplications"); 6349 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6350 true /* requireFullPermission */, false /* checkShell */, 6351 "getEphemeralApplications"); 6352 synchronized (mPackages) { 6353 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6354 .getEphemeralApplicationsLPw(userId); 6355 if (ephemeralApps != null) { 6356 return new ParceledListSlice<>(ephemeralApps); 6357 } 6358 } 6359 return null; 6360 } 6361 6362 @Override 6363 public boolean isEphemeralApplication(String packageName, int userId) { 6364 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6365 true /* requireFullPermission */, false /* checkShell */, 6366 "isEphemeral"); 6367 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6368 return false; 6369 } 6370 6371 if (!isCallerSameApp(packageName)) { 6372 return false; 6373 } 6374 synchronized (mPackages) { 6375 PackageParser.Package pkg = mPackages.get(packageName); 6376 if (pkg != null) { 6377 return pkg.applicationInfo.isEphemeralApp(); 6378 } 6379 } 6380 return false; 6381 } 6382 6383 @Override 6384 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6385 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6386 return null; 6387 } 6388 6389 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6390 true /* requireFullPermission */, false /* checkShell */, 6391 "getCookie"); 6392 if (!isCallerSameApp(packageName)) { 6393 return null; 6394 } 6395 synchronized (mPackages) { 6396 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6397 packageName, userId); 6398 } 6399 } 6400 6401 @Override 6402 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6403 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6404 return true; 6405 } 6406 6407 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6408 true /* requireFullPermission */, true /* checkShell */, 6409 "setCookie"); 6410 if (!isCallerSameApp(packageName)) { 6411 return false; 6412 } 6413 synchronized (mPackages) { 6414 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6415 packageName, cookie, userId); 6416 } 6417 } 6418 6419 @Override 6420 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6421 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6422 return null; 6423 } 6424 6425 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6426 "getEphemeralApplicationIcon"); 6427 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6428 true /* requireFullPermission */, false /* checkShell */, 6429 "getEphemeralApplicationIcon"); 6430 synchronized (mPackages) { 6431 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6432 packageName, userId); 6433 } 6434 } 6435 6436 private boolean isCallerSameApp(String packageName) { 6437 PackageParser.Package pkg = mPackages.get(packageName); 6438 return pkg != null 6439 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6440 } 6441 6442 @Override 6443 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6444 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6445 } 6446 6447 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6448 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6449 6450 // reader 6451 synchronized (mPackages) { 6452 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6453 final int userId = UserHandle.getCallingUserId(); 6454 while (i.hasNext()) { 6455 final PackageParser.Package p = i.next(); 6456 if (p.applicationInfo == null) continue; 6457 6458 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6459 && !p.applicationInfo.isDirectBootAware(); 6460 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6461 && p.applicationInfo.isDirectBootAware(); 6462 6463 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6464 && (!mSafeMode || isSystemApp(p)) 6465 && (matchesUnaware || matchesAware)) { 6466 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6467 if (ps != null) { 6468 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6469 ps.readUserState(userId), userId); 6470 if (ai != null) { 6471 finalList.add(ai); 6472 } 6473 } 6474 } 6475 } 6476 } 6477 6478 return finalList; 6479 } 6480 6481 @Override 6482 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6483 if (!sUserManager.exists(userId)) return null; 6484 flags = updateFlagsForComponent(flags, userId, name); 6485 // reader 6486 synchronized (mPackages) { 6487 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6488 PackageSetting ps = provider != null 6489 ? mSettings.mPackages.get(provider.owner.packageName) 6490 : null; 6491 return ps != null 6492 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6493 ? PackageParser.generateProviderInfo(provider, flags, 6494 ps.readUserState(userId), userId) 6495 : null; 6496 } 6497 } 6498 6499 /** 6500 * @deprecated 6501 */ 6502 @Deprecated 6503 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6504 // reader 6505 synchronized (mPackages) { 6506 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6507 .entrySet().iterator(); 6508 final int userId = UserHandle.getCallingUserId(); 6509 while (i.hasNext()) { 6510 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6511 PackageParser.Provider p = entry.getValue(); 6512 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6513 6514 if (ps != null && p.syncable 6515 && (!mSafeMode || (p.info.applicationInfo.flags 6516 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6517 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6518 ps.readUserState(userId), userId); 6519 if (info != null) { 6520 outNames.add(entry.getKey()); 6521 outInfo.add(info); 6522 } 6523 } 6524 } 6525 } 6526 } 6527 6528 @Override 6529 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6530 int uid, int flags) { 6531 final int userId = processName != null ? UserHandle.getUserId(uid) 6532 : UserHandle.getCallingUserId(); 6533 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6534 flags = updateFlagsForComponent(flags, userId, processName); 6535 6536 ArrayList<ProviderInfo> finalList = null; 6537 // reader 6538 synchronized (mPackages) { 6539 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6540 while (i.hasNext()) { 6541 final PackageParser.Provider p = i.next(); 6542 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6543 if (ps != null && p.info.authority != null 6544 && (processName == null 6545 || (p.info.processName.equals(processName) 6546 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6547 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6548 if (finalList == null) { 6549 finalList = new ArrayList<ProviderInfo>(3); 6550 } 6551 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6552 ps.readUserState(userId), userId); 6553 if (info != null) { 6554 finalList.add(info); 6555 } 6556 } 6557 } 6558 } 6559 6560 if (finalList != null) { 6561 Collections.sort(finalList, mProviderInitOrderSorter); 6562 return new ParceledListSlice<ProviderInfo>(finalList); 6563 } 6564 6565 return ParceledListSlice.emptyList(); 6566 } 6567 6568 @Override 6569 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6570 // reader 6571 synchronized (mPackages) { 6572 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6573 return PackageParser.generateInstrumentationInfo(i, flags); 6574 } 6575 } 6576 6577 @Override 6578 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6579 String targetPackage, int flags) { 6580 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6581 } 6582 6583 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6584 int flags) { 6585 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6586 6587 // reader 6588 synchronized (mPackages) { 6589 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6590 while (i.hasNext()) { 6591 final PackageParser.Instrumentation p = i.next(); 6592 if (targetPackage == null 6593 || targetPackage.equals(p.info.targetPackage)) { 6594 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6595 flags); 6596 if (ii != null) { 6597 finalList.add(ii); 6598 } 6599 } 6600 } 6601 } 6602 6603 return finalList; 6604 } 6605 6606 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6607 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6608 if (overlays == null) { 6609 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6610 return; 6611 } 6612 for (PackageParser.Package opkg : overlays.values()) { 6613 // Not much to do if idmap fails: we already logged the error 6614 // and we certainly don't want to abort installation of pkg simply 6615 // because an overlay didn't fit properly. For these reasons, 6616 // ignore the return value of createIdmapForPackagePairLI. 6617 createIdmapForPackagePairLI(pkg, opkg); 6618 } 6619 } 6620 6621 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6622 PackageParser.Package opkg) { 6623 if (!opkg.mTrustedOverlay) { 6624 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6625 opkg.baseCodePath + ": overlay not trusted"); 6626 return false; 6627 } 6628 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6629 if (overlaySet == null) { 6630 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6631 opkg.baseCodePath + " but target package has no known overlays"); 6632 return false; 6633 } 6634 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6635 // TODO: generate idmap for split APKs 6636 try { 6637 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6638 } catch (InstallerException e) { 6639 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6640 + opkg.baseCodePath); 6641 return false; 6642 } 6643 PackageParser.Package[] overlayArray = 6644 overlaySet.values().toArray(new PackageParser.Package[0]); 6645 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6646 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6647 return p1.mOverlayPriority - p2.mOverlayPriority; 6648 } 6649 }; 6650 Arrays.sort(overlayArray, cmp); 6651 6652 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6653 int i = 0; 6654 for (PackageParser.Package p : overlayArray) { 6655 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6656 } 6657 return true; 6658 } 6659 6660 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6661 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6662 try { 6663 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6664 } finally { 6665 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6666 } 6667 } 6668 6669 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6670 final File[] files = dir.listFiles(); 6671 if (ArrayUtils.isEmpty(files)) { 6672 Log.d(TAG, "No files in app dir " + dir); 6673 return; 6674 } 6675 6676 if (DEBUG_PACKAGE_SCANNING) { 6677 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6678 + " flags=0x" + Integer.toHexString(parseFlags)); 6679 } 6680 6681 for (File file : files) { 6682 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6683 && !PackageInstallerService.isStageName(file.getName()); 6684 if (!isPackage) { 6685 // Ignore entries which are not packages 6686 continue; 6687 } 6688 try { 6689 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6690 scanFlags, currentTime, null); 6691 } catch (PackageManagerException e) { 6692 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6693 6694 // Delete invalid userdata apps 6695 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6696 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6697 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6698 removeCodePathLI(file); 6699 } 6700 } 6701 } 6702 } 6703 6704 private static File getSettingsProblemFile() { 6705 File dataDir = Environment.getDataDirectory(); 6706 File systemDir = new File(dataDir, "system"); 6707 File fname = new File(systemDir, "uiderrors.txt"); 6708 return fname; 6709 } 6710 6711 static void reportSettingsProblem(int priority, String msg) { 6712 logCriticalInfo(priority, msg); 6713 } 6714 6715 static void logCriticalInfo(int priority, String msg) { 6716 Slog.println(priority, TAG, msg); 6717 EventLogTags.writePmCriticalInfo(msg); 6718 try { 6719 File fname = getSettingsProblemFile(); 6720 FileOutputStream out = new FileOutputStream(fname, true); 6721 PrintWriter pw = new FastPrintWriter(out); 6722 SimpleDateFormat formatter = new SimpleDateFormat(); 6723 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6724 pw.println(dateString + ": " + msg); 6725 pw.close(); 6726 FileUtils.setPermissions( 6727 fname.toString(), 6728 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6729 -1, -1); 6730 } catch (java.io.IOException e) { 6731 } 6732 } 6733 6734 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6735 if (srcFile.isDirectory()) { 6736 final File baseFile = new File(pkg.baseCodePath); 6737 long maxModifiedTime = baseFile.lastModified(); 6738 if (pkg.splitCodePaths != null) { 6739 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6740 final File splitFile = new File(pkg.splitCodePaths[i]); 6741 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6742 } 6743 } 6744 return maxModifiedTime; 6745 } 6746 return srcFile.lastModified(); 6747 } 6748 6749 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6750 final int policyFlags) throws PackageManagerException { 6751 // When upgrading from pre-N MR1, verify the package time stamp using the package 6752 // directory and not the APK file. 6753 final long lastModifiedTime = mIsPreNMR1Upgrade 6754 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 6755 if (ps != null 6756 && ps.codePath.equals(srcFile) 6757 && ps.timeStamp == lastModifiedTime 6758 && !isCompatSignatureUpdateNeeded(pkg) 6759 && !isRecoverSignatureUpdateNeeded(pkg)) { 6760 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6761 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6762 ArraySet<PublicKey> signingKs; 6763 synchronized (mPackages) { 6764 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6765 } 6766 if (ps.signatures.mSignatures != null 6767 && ps.signatures.mSignatures.length != 0 6768 && signingKs != null) { 6769 // Optimization: reuse the existing cached certificates 6770 // if the package appears to be unchanged. 6771 pkg.mSignatures = ps.signatures.mSignatures; 6772 pkg.mSigningKeys = signingKs; 6773 return; 6774 } 6775 6776 Slog.w(TAG, "PackageSetting for " + ps.name 6777 + " is missing signatures. Collecting certs again to recover them."); 6778 } else { 6779 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 6780 } 6781 6782 try { 6783 PackageParser.collectCertificates(pkg, policyFlags); 6784 } catch (PackageParserException e) { 6785 throw PackageManagerException.from(e); 6786 } 6787 } 6788 6789 /** 6790 * Traces a package scan. 6791 * @see #scanPackageLI(File, int, int, long, UserHandle) 6792 */ 6793 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6794 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6795 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6796 try { 6797 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6798 } finally { 6799 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6800 } 6801 } 6802 6803 /** 6804 * Scans a package and returns the newly parsed package. 6805 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6806 */ 6807 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6808 long currentTime, UserHandle user) throws PackageManagerException { 6809 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6810 PackageParser pp = new PackageParser(); 6811 pp.setSeparateProcesses(mSeparateProcesses); 6812 pp.setOnlyCoreApps(mOnlyCore); 6813 pp.setDisplayMetrics(mMetrics); 6814 6815 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6816 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6817 } 6818 6819 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6820 final PackageParser.Package pkg; 6821 try { 6822 pkg = pp.parsePackage(scanFile, parseFlags); 6823 } catch (PackageParserException e) { 6824 throw PackageManagerException.from(e); 6825 } finally { 6826 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6827 } 6828 6829 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6830 } 6831 6832 /** 6833 * Scans a package and returns the newly parsed package. 6834 * @throws PackageManagerException on a parse error. 6835 */ 6836 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6837 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6838 throws PackageManagerException { 6839 // If the package has children and this is the first dive in the function 6840 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6841 // packages (parent and children) would be successfully scanned before the 6842 // actual scan since scanning mutates internal state and we want to atomically 6843 // install the package and its children. 6844 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6845 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6846 scanFlags |= SCAN_CHECK_ONLY; 6847 } 6848 } else { 6849 scanFlags &= ~SCAN_CHECK_ONLY; 6850 } 6851 6852 // Scan the parent 6853 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6854 scanFlags, currentTime, user); 6855 6856 // Scan the children 6857 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6858 for (int i = 0; i < childCount; i++) { 6859 PackageParser.Package childPackage = pkg.childPackages.get(i); 6860 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6861 currentTime, user); 6862 } 6863 6864 6865 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6866 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6867 } 6868 6869 return scannedPkg; 6870 } 6871 6872 /** 6873 * Scans a package and returns the newly parsed package. 6874 * @throws PackageManagerException on a parse error. 6875 */ 6876 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6877 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6878 throws PackageManagerException { 6879 PackageSetting ps = null; 6880 PackageSetting updatedPkg; 6881 // reader 6882 synchronized (mPackages) { 6883 // Look to see if we already know about this package. 6884 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6885 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6886 // This package has been renamed to its original name. Let's 6887 // use that. 6888 ps = mSettings.peekPackageLPr(oldName); 6889 } 6890 // If there was no original package, see one for the real package name. 6891 if (ps == null) { 6892 ps = mSettings.peekPackageLPr(pkg.packageName); 6893 } 6894 // Check to see if this package could be hiding/updating a system 6895 // package. Must look for it either under the original or real 6896 // package name depending on our state. 6897 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6898 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6899 6900 // If this is a package we don't know about on the system partition, we 6901 // may need to remove disabled child packages on the system partition 6902 // or may need to not add child packages if the parent apk is updated 6903 // on the data partition and no longer defines this child package. 6904 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6905 // If this is a parent package for an updated system app and this system 6906 // app got an OTA update which no longer defines some of the child packages 6907 // we have to prune them from the disabled system packages. 6908 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6909 if (disabledPs != null) { 6910 final int scannedChildCount = (pkg.childPackages != null) 6911 ? pkg.childPackages.size() : 0; 6912 final int disabledChildCount = disabledPs.childPackageNames != null 6913 ? disabledPs.childPackageNames.size() : 0; 6914 for (int i = 0; i < disabledChildCount; i++) { 6915 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6916 boolean disabledPackageAvailable = false; 6917 for (int j = 0; j < scannedChildCount; j++) { 6918 PackageParser.Package childPkg = pkg.childPackages.get(j); 6919 if (childPkg.packageName.equals(disabledChildPackageName)) { 6920 disabledPackageAvailable = true; 6921 break; 6922 } 6923 } 6924 if (!disabledPackageAvailable) { 6925 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6926 } 6927 } 6928 } 6929 } 6930 } 6931 6932 boolean updatedPkgBetter = false; 6933 // First check if this is a system package that may involve an update 6934 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6935 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6936 // it needs to drop FLAG_PRIVILEGED. 6937 if (locationIsPrivileged(scanFile)) { 6938 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6939 } else { 6940 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6941 } 6942 6943 if (ps != null && !ps.codePath.equals(scanFile)) { 6944 // The path has changed from what was last scanned... check the 6945 // version of the new path against what we have stored to determine 6946 // what to do. 6947 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6948 if (pkg.mVersionCode <= ps.versionCode) { 6949 // The system package has been updated and the code path does not match 6950 // Ignore entry. Skip it. 6951 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6952 + " ignored: updated version " + ps.versionCode 6953 + " better than this " + pkg.mVersionCode); 6954 if (!updatedPkg.codePath.equals(scanFile)) { 6955 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6956 + ps.name + " changing from " + updatedPkg.codePathString 6957 + " to " + scanFile); 6958 updatedPkg.codePath = scanFile; 6959 updatedPkg.codePathString = scanFile.toString(); 6960 updatedPkg.resourcePath = scanFile; 6961 updatedPkg.resourcePathString = scanFile.toString(); 6962 } 6963 updatedPkg.pkg = pkg; 6964 updatedPkg.versionCode = pkg.mVersionCode; 6965 6966 // Update the disabled system child packages to point to the package too. 6967 final int childCount = updatedPkg.childPackageNames != null 6968 ? updatedPkg.childPackageNames.size() : 0; 6969 for (int i = 0; i < childCount; i++) { 6970 String childPackageName = updatedPkg.childPackageNames.get(i); 6971 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6972 childPackageName); 6973 if (updatedChildPkg != null) { 6974 updatedChildPkg.pkg = pkg; 6975 updatedChildPkg.versionCode = pkg.mVersionCode; 6976 } 6977 } 6978 6979 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6980 + scanFile + " ignored: updated version " + ps.versionCode 6981 + " better than this " + pkg.mVersionCode); 6982 } else { 6983 // The current app on the system partition is better than 6984 // what we have updated to on the data partition; switch 6985 // back to the system partition version. 6986 // At this point, its safely assumed that package installation for 6987 // apps in system partition will go through. If not there won't be a working 6988 // version of the app 6989 // writer 6990 synchronized (mPackages) { 6991 // Just remove the loaded entries from package lists. 6992 mPackages.remove(ps.name); 6993 } 6994 6995 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6996 + " reverting from " + ps.codePathString 6997 + ": new version " + pkg.mVersionCode 6998 + " better than installed " + ps.versionCode); 6999 7000 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7001 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7002 synchronized (mInstallLock) { 7003 args.cleanUpResourcesLI(); 7004 } 7005 synchronized (mPackages) { 7006 mSettings.enableSystemPackageLPw(ps.name); 7007 } 7008 updatedPkgBetter = true; 7009 } 7010 } 7011 } 7012 7013 if (updatedPkg != null) { 7014 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7015 // initially 7016 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7017 7018 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7019 // flag set initially 7020 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7021 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7022 } 7023 } 7024 7025 // Verify certificates against what was last scanned 7026 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7027 7028 /* 7029 * A new system app appeared, but we already had a non-system one of the 7030 * same name installed earlier. 7031 */ 7032 boolean shouldHideSystemApp = false; 7033 if (updatedPkg == null && ps != null 7034 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7035 /* 7036 * Check to make sure the signatures match first. If they don't, 7037 * wipe the installed application and its data. 7038 */ 7039 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7040 != PackageManager.SIGNATURE_MATCH) { 7041 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7042 + " signatures don't match existing userdata copy; removing"); 7043 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7044 "scanPackageInternalLI")) { 7045 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7046 } 7047 ps = null; 7048 } else { 7049 /* 7050 * If the newly-added system app is an older version than the 7051 * already installed version, hide it. It will be scanned later 7052 * and re-added like an update. 7053 */ 7054 if (pkg.mVersionCode <= ps.versionCode) { 7055 shouldHideSystemApp = true; 7056 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7057 + " but new version " + pkg.mVersionCode + " better than installed " 7058 + ps.versionCode + "; hiding system"); 7059 } else { 7060 /* 7061 * The newly found system app is a newer version that the 7062 * one previously installed. Simply remove the 7063 * already-installed application and replace it with our own 7064 * while keeping the application data. 7065 */ 7066 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7067 + " reverting from " + ps.codePathString + ": new version " 7068 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7069 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7070 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7071 synchronized (mInstallLock) { 7072 args.cleanUpResourcesLI(); 7073 } 7074 } 7075 } 7076 } 7077 7078 // The apk is forward locked (not public) if its code and resources 7079 // are kept in different files. (except for app in either system or 7080 // vendor path). 7081 // TODO grab this value from PackageSettings 7082 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7083 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7084 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7085 } 7086 } 7087 7088 // TODO: extend to support forward-locked splits 7089 String resourcePath = null; 7090 String baseResourcePath = null; 7091 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7092 if (ps != null && ps.resourcePathString != null) { 7093 resourcePath = ps.resourcePathString; 7094 baseResourcePath = ps.resourcePathString; 7095 } else { 7096 // Should not happen at all. Just log an error. 7097 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7098 } 7099 } else { 7100 resourcePath = pkg.codePath; 7101 baseResourcePath = pkg.baseCodePath; 7102 } 7103 7104 // Set application objects path explicitly. 7105 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7106 pkg.setApplicationInfoCodePath(pkg.codePath); 7107 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7108 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7109 pkg.setApplicationInfoResourcePath(resourcePath); 7110 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7111 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7112 7113 // Note that we invoke the following method only if we are about to unpack an application 7114 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7115 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7116 7117 /* 7118 * If the system app should be overridden by a previously installed 7119 * data, hide the system app now and let the /data/app scan pick it up 7120 * again. 7121 */ 7122 if (shouldHideSystemApp) { 7123 synchronized (mPackages) { 7124 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7125 } 7126 } 7127 7128 return scannedPkg; 7129 } 7130 7131 private static String fixProcessName(String defProcessName, 7132 String processName, int uid) { 7133 if (processName == null) { 7134 return defProcessName; 7135 } 7136 return processName; 7137 } 7138 7139 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7140 throws PackageManagerException { 7141 if (pkgSetting.signatures.mSignatures != null) { 7142 // Already existing package. Make sure signatures match 7143 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7144 == PackageManager.SIGNATURE_MATCH; 7145 if (!match) { 7146 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7147 == PackageManager.SIGNATURE_MATCH; 7148 } 7149 if (!match) { 7150 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7151 == PackageManager.SIGNATURE_MATCH; 7152 } 7153 if (!match) { 7154 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7155 + pkg.packageName + " signatures do not match the " 7156 + "previously installed version; ignoring!"); 7157 } 7158 } 7159 7160 // Check for shared user signatures 7161 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7162 // Already existing package. Make sure signatures match 7163 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7164 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7165 if (!match) { 7166 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7167 == PackageManager.SIGNATURE_MATCH; 7168 } 7169 if (!match) { 7170 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7171 == PackageManager.SIGNATURE_MATCH; 7172 } 7173 if (!match) { 7174 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7175 "Package " + pkg.packageName 7176 + " has no signatures that match those in shared user " 7177 + pkgSetting.sharedUser.name + "; ignoring!"); 7178 } 7179 } 7180 } 7181 7182 /** 7183 * Enforces that only the system UID or root's UID can call a method exposed 7184 * via Binder. 7185 * 7186 * @param message used as message if SecurityException is thrown 7187 * @throws SecurityException if the caller is not system or root 7188 */ 7189 private static final void enforceSystemOrRoot(String message) { 7190 final int uid = Binder.getCallingUid(); 7191 if (uid != Process.SYSTEM_UID && uid != 0) { 7192 throw new SecurityException(message); 7193 } 7194 } 7195 7196 @Override 7197 public void performFstrimIfNeeded() { 7198 enforceSystemOrRoot("Only the system can request fstrim"); 7199 7200 // Before everything else, see whether we need to fstrim. 7201 try { 7202 IMountService ms = PackageHelper.getMountService(); 7203 if (ms != null) { 7204 boolean doTrim = false; 7205 final long interval = android.provider.Settings.Global.getLong( 7206 mContext.getContentResolver(), 7207 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7208 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7209 if (interval > 0) { 7210 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7211 if (timeSinceLast > interval) { 7212 doTrim = true; 7213 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7214 + "; running immediately"); 7215 } 7216 } 7217 if (doTrim) { 7218 final boolean dexOptDialogShown; 7219 synchronized (mPackages) { 7220 dexOptDialogShown = mDexOptDialogShown; 7221 } 7222 if (!isFirstBoot() && dexOptDialogShown) { 7223 try { 7224 ActivityManagerNative.getDefault().showBootMessage( 7225 mContext.getResources().getString( 7226 R.string.android_upgrading_fstrim), true); 7227 } catch (RemoteException e) { 7228 } 7229 } 7230 ms.runMaintenance(); 7231 } 7232 } else { 7233 Slog.e(TAG, "Mount service unavailable!"); 7234 } 7235 } catch (RemoteException e) { 7236 // Can't happen; MountService is local 7237 } 7238 } 7239 7240 @Override 7241 public void updatePackagesIfNeeded() { 7242 enforceSystemOrRoot("Only the system can request package update"); 7243 7244 // We need to re-extract after an OTA. 7245 boolean causeUpgrade = isUpgrade(); 7246 7247 // First boot or factory reset. 7248 // Note: we also handle devices that are upgrading to N right now as if it is their 7249 // first boot, as they do not have profile data. 7250 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7251 7252 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7253 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7254 7255 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7256 return; 7257 } 7258 7259 List<PackageParser.Package> pkgs; 7260 synchronized (mPackages) { 7261 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7262 } 7263 7264 final long startTime = System.nanoTime(); 7265 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7266 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7267 7268 final int elapsedTimeSeconds = 7269 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7270 7271 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7272 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7273 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7274 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7275 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7276 } 7277 7278 /** 7279 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7280 * containing statistics about the invocation. The array consists of three elements, 7281 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7282 * and {@code numberOfPackagesFailed}. 7283 */ 7284 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7285 String compilerFilter) { 7286 7287 int numberOfPackagesVisited = 0; 7288 int numberOfPackagesOptimized = 0; 7289 int numberOfPackagesSkipped = 0; 7290 int numberOfPackagesFailed = 0; 7291 final int numberOfPackagesToDexopt = pkgs.size(); 7292 7293 for (PackageParser.Package pkg : pkgs) { 7294 numberOfPackagesVisited++; 7295 7296 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7297 if (DEBUG_DEXOPT) { 7298 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7299 } 7300 numberOfPackagesSkipped++; 7301 continue; 7302 } 7303 7304 if (DEBUG_DEXOPT) { 7305 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7306 numberOfPackagesToDexopt + ": " + pkg.packageName); 7307 } 7308 7309 if (showDialog) { 7310 try { 7311 ActivityManagerNative.getDefault().showBootMessage( 7312 mContext.getResources().getString(R.string.android_upgrading_apk, 7313 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7314 } catch (RemoteException e) { 7315 } 7316 synchronized (mPackages) { 7317 mDexOptDialogShown = true; 7318 } 7319 } 7320 7321 // If the OTA updates a system app which was previously preopted to a non-preopted state 7322 // the app might end up being verified at runtime. That's because by default the apps 7323 // are verify-profile but for preopted apps there's no profile. 7324 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7325 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7326 // filter (by default interpret-only). 7327 // Note that at this stage unused apps are already filtered. 7328 if (isSystemApp(pkg) && 7329 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7330 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7331 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7332 } 7333 7334 // checkProfiles is false to avoid merging profiles during boot which 7335 // might interfere with background compilation (b/28612421). 7336 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7337 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7338 // trade-off worth doing to save boot time work. 7339 int dexOptStatus = performDexOptTraced(pkg.packageName, 7340 false /* checkProfiles */, 7341 compilerFilter, 7342 false /* force */); 7343 switch (dexOptStatus) { 7344 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7345 numberOfPackagesOptimized++; 7346 break; 7347 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7348 numberOfPackagesSkipped++; 7349 break; 7350 case PackageDexOptimizer.DEX_OPT_FAILED: 7351 numberOfPackagesFailed++; 7352 break; 7353 default: 7354 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7355 break; 7356 } 7357 } 7358 7359 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7360 numberOfPackagesFailed }; 7361 } 7362 7363 @Override 7364 public void notifyPackageUse(String packageName, int reason) { 7365 synchronized (mPackages) { 7366 PackageParser.Package p = mPackages.get(packageName); 7367 if (p == null) { 7368 return; 7369 } 7370 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7371 } 7372 } 7373 7374 // TODO: this is not used nor needed. Delete it. 7375 @Override 7376 public boolean performDexOptIfNeeded(String packageName) { 7377 int dexOptStatus = performDexOptTraced(packageName, 7378 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7379 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7380 } 7381 7382 @Override 7383 public boolean performDexOpt(String packageName, 7384 boolean checkProfiles, int compileReason, boolean force) { 7385 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7386 getCompilerFilterForReason(compileReason), force); 7387 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7388 } 7389 7390 @Override 7391 public boolean performDexOptMode(String packageName, 7392 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7393 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7394 targetCompilerFilter, force); 7395 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7396 } 7397 7398 private int performDexOptTraced(String packageName, 7399 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7400 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7401 try { 7402 return performDexOptInternal(packageName, checkProfiles, 7403 targetCompilerFilter, force); 7404 } finally { 7405 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7406 } 7407 } 7408 7409 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7410 // if the package can now be considered up to date for the given filter. 7411 private int performDexOptInternal(String packageName, 7412 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7413 PackageParser.Package p; 7414 synchronized (mPackages) { 7415 p = mPackages.get(packageName); 7416 if (p == null) { 7417 // Package could not be found. Report failure. 7418 return PackageDexOptimizer.DEX_OPT_FAILED; 7419 } 7420 mPackageUsage.maybeWriteAsync(mPackages); 7421 mCompilerStats.maybeWriteAsync(); 7422 } 7423 long callingId = Binder.clearCallingIdentity(); 7424 try { 7425 synchronized (mInstallLock) { 7426 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7427 targetCompilerFilter, force); 7428 } 7429 } finally { 7430 Binder.restoreCallingIdentity(callingId); 7431 } 7432 } 7433 7434 public ArraySet<String> getOptimizablePackages() { 7435 ArraySet<String> pkgs = new ArraySet<String>(); 7436 synchronized (mPackages) { 7437 for (PackageParser.Package p : mPackages.values()) { 7438 if (PackageDexOptimizer.canOptimizePackage(p)) { 7439 pkgs.add(p.packageName); 7440 } 7441 } 7442 } 7443 return pkgs; 7444 } 7445 7446 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7447 boolean checkProfiles, String targetCompilerFilter, 7448 boolean force) { 7449 // Select the dex optimizer based on the force parameter. 7450 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7451 // allocate an object here. 7452 PackageDexOptimizer pdo = force 7453 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7454 : mPackageDexOptimizer; 7455 7456 // Optimize all dependencies first. Note: we ignore the return value and march on 7457 // on errors. 7458 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7459 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7460 if (!deps.isEmpty()) { 7461 for (PackageParser.Package depPackage : deps) { 7462 // TODO: Analyze and investigate if we (should) profile libraries. 7463 // Currently this will do a full compilation of the library by default. 7464 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7465 false /* checkProfiles */, 7466 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7467 getOrCreateCompilerPackageStats(depPackage)); 7468 } 7469 } 7470 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7471 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7472 } 7473 7474 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7475 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7476 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7477 Set<String> collectedNames = new HashSet<>(); 7478 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7479 7480 retValue.remove(p); 7481 7482 return retValue; 7483 } else { 7484 return Collections.emptyList(); 7485 } 7486 } 7487 7488 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7489 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7490 if (!collectedNames.contains(p.packageName)) { 7491 collectedNames.add(p.packageName); 7492 collected.add(p); 7493 7494 if (p.usesLibraries != null) { 7495 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7496 } 7497 if (p.usesOptionalLibraries != null) { 7498 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7499 collectedNames); 7500 } 7501 } 7502 } 7503 7504 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7505 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7506 for (String libName : libs) { 7507 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7508 if (libPkg != null) { 7509 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7510 } 7511 } 7512 } 7513 7514 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7515 synchronized (mPackages) { 7516 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7517 if (lib != null && lib.apk != null) { 7518 return mPackages.get(lib.apk); 7519 } 7520 } 7521 return null; 7522 } 7523 7524 public void shutdown() { 7525 mPackageUsage.writeNow(mPackages); 7526 mCompilerStats.writeNow(); 7527 } 7528 7529 @Override 7530 public void dumpProfiles(String packageName) { 7531 PackageParser.Package pkg; 7532 synchronized (mPackages) { 7533 pkg = mPackages.get(packageName); 7534 if (pkg == null) { 7535 throw new IllegalArgumentException("Unknown package: " + packageName); 7536 } 7537 } 7538 /* Only the shell, root, or the app user should be able to dump profiles. */ 7539 int callingUid = Binder.getCallingUid(); 7540 if (callingUid != Process.SHELL_UID && 7541 callingUid != Process.ROOT_UID && 7542 callingUid != pkg.applicationInfo.uid) { 7543 throw new SecurityException("dumpProfiles"); 7544 } 7545 7546 synchronized (mInstallLock) { 7547 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7548 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7549 try { 7550 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7551 String gid = Integer.toString(sharedGid); 7552 String codePaths = TextUtils.join(";", allCodePaths); 7553 mInstaller.dumpProfiles(gid, packageName, codePaths); 7554 } catch (InstallerException e) { 7555 Slog.w(TAG, "Failed to dump profiles", e); 7556 } 7557 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7558 } 7559 } 7560 7561 @Override 7562 public void forceDexOpt(String packageName) { 7563 enforceSystemOrRoot("forceDexOpt"); 7564 7565 PackageParser.Package pkg; 7566 synchronized (mPackages) { 7567 pkg = mPackages.get(packageName); 7568 if (pkg == null) { 7569 throw new IllegalArgumentException("Unknown package: " + packageName); 7570 } 7571 } 7572 7573 synchronized (mInstallLock) { 7574 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7575 7576 // Whoever is calling forceDexOpt wants a fully compiled package. 7577 // Don't use profiles since that may cause compilation to be skipped. 7578 final int res = performDexOptInternalWithDependenciesLI(pkg, 7579 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7580 true /* force */); 7581 7582 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7583 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7584 throw new IllegalStateException("Failed to dexopt: " + res); 7585 } 7586 } 7587 } 7588 7589 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7590 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7591 Slog.w(TAG, "Unable to update from " + oldPkg.name 7592 + " to " + newPkg.packageName 7593 + ": old package not in system partition"); 7594 return false; 7595 } else if (mPackages.get(oldPkg.name) != null) { 7596 Slog.w(TAG, "Unable to update from " + oldPkg.name 7597 + " to " + newPkg.packageName 7598 + ": old package still exists"); 7599 return false; 7600 } 7601 return true; 7602 } 7603 7604 void removeCodePathLI(File codePath) { 7605 if (codePath.isDirectory()) { 7606 try { 7607 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7608 } catch (InstallerException e) { 7609 Slog.w(TAG, "Failed to remove code path", e); 7610 } 7611 } else { 7612 codePath.delete(); 7613 } 7614 } 7615 7616 private int[] resolveUserIds(int userId) { 7617 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7618 } 7619 7620 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7621 if (pkg == null) { 7622 Slog.wtf(TAG, "Package was null!", new Throwable()); 7623 return; 7624 } 7625 clearAppDataLeafLIF(pkg, userId, flags); 7626 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7627 for (int i = 0; i < childCount; i++) { 7628 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7629 } 7630 } 7631 7632 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7633 final PackageSetting ps; 7634 synchronized (mPackages) { 7635 ps = mSettings.mPackages.get(pkg.packageName); 7636 } 7637 for (int realUserId : resolveUserIds(userId)) { 7638 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7639 try { 7640 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7641 ceDataInode); 7642 } catch (InstallerException e) { 7643 Slog.w(TAG, String.valueOf(e)); 7644 } 7645 } 7646 } 7647 7648 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7649 if (pkg == null) { 7650 Slog.wtf(TAG, "Package was null!", new Throwable()); 7651 return; 7652 } 7653 destroyAppDataLeafLIF(pkg, userId, flags); 7654 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7655 for (int i = 0; i < childCount; i++) { 7656 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7657 } 7658 } 7659 7660 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7661 final PackageSetting ps; 7662 synchronized (mPackages) { 7663 ps = mSettings.mPackages.get(pkg.packageName); 7664 } 7665 for (int realUserId : resolveUserIds(userId)) { 7666 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7667 try { 7668 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7669 ceDataInode); 7670 } catch (InstallerException e) { 7671 Slog.w(TAG, String.valueOf(e)); 7672 } 7673 } 7674 } 7675 7676 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7677 if (pkg == null) { 7678 Slog.wtf(TAG, "Package was null!", new Throwable()); 7679 return; 7680 } 7681 destroyAppProfilesLeafLIF(pkg); 7682 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7683 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7684 for (int i = 0; i < childCount; i++) { 7685 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7686 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7687 true /* removeBaseMarker */); 7688 } 7689 } 7690 7691 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7692 boolean removeBaseMarker) { 7693 if (pkg.isForwardLocked()) { 7694 return; 7695 } 7696 7697 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7698 try { 7699 path = PackageManagerServiceUtils.realpath(new File(path)); 7700 } catch (IOException e) { 7701 // TODO: Should we return early here ? 7702 Slog.w(TAG, "Failed to get canonical path", e); 7703 continue; 7704 } 7705 7706 final String useMarker = path.replace('/', '@'); 7707 for (int realUserId : resolveUserIds(userId)) { 7708 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7709 if (removeBaseMarker) { 7710 File foreignUseMark = new File(profileDir, useMarker); 7711 if (foreignUseMark.exists()) { 7712 if (!foreignUseMark.delete()) { 7713 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7714 + pkg.packageName); 7715 } 7716 } 7717 } 7718 7719 File[] markers = profileDir.listFiles(); 7720 if (markers != null) { 7721 final String searchString = "@" + pkg.packageName + "@"; 7722 // We also delete all markers that contain the package name we're 7723 // uninstalling. These are associated with secondary dex-files belonging 7724 // to the package. Reconstructing the path of these dex files is messy 7725 // in general. 7726 for (File marker : markers) { 7727 if (marker.getName().indexOf(searchString) > 0) { 7728 if (!marker.delete()) { 7729 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7730 + pkg.packageName); 7731 } 7732 } 7733 } 7734 } 7735 } 7736 } 7737 } 7738 7739 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7740 try { 7741 mInstaller.destroyAppProfiles(pkg.packageName); 7742 } catch (InstallerException e) { 7743 Slog.w(TAG, String.valueOf(e)); 7744 } 7745 } 7746 7747 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7748 if (pkg == null) { 7749 Slog.wtf(TAG, "Package was null!", new Throwable()); 7750 return; 7751 } 7752 clearAppProfilesLeafLIF(pkg); 7753 // We don't remove the base foreign use marker when clearing profiles because 7754 // we will rename it when the app is updated. Unlike the actual profile contents, 7755 // the foreign use marker is good across installs. 7756 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7757 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7758 for (int i = 0; i < childCount; i++) { 7759 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7760 } 7761 } 7762 7763 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7764 try { 7765 mInstaller.clearAppProfiles(pkg.packageName); 7766 } catch (InstallerException e) { 7767 Slog.w(TAG, String.valueOf(e)); 7768 } 7769 } 7770 7771 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7772 long lastUpdateTime) { 7773 // Set parent install/update time 7774 PackageSetting ps = (PackageSetting) pkg.mExtras; 7775 if (ps != null) { 7776 ps.firstInstallTime = firstInstallTime; 7777 ps.lastUpdateTime = lastUpdateTime; 7778 } 7779 // Set children install/update time 7780 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7781 for (int i = 0; i < childCount; i++) { 7782 PackageParser.Package childPkg = pkg.childPackages.get(i); 7783 ps = (PackageSetting) childPkg.mExtras; 7784 if (ps != null) { 7785 ps.firstInstallTime = firstInstallTime; 7786 ps.lastUpdateTime = lastUpdateTime; 7787 } 7788 } 7789 } 7790 7791 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7792 PackageParser.Package changingLib) { 7793 if (file.path != null) { 7794 usesLibraryFiles.add(file.path); 7795 return; 7796 } 7797 PackageParser.Package p = mPackages.get(file.apk); 7798 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7799 // If we are doing this while in the middle of updating a library apk, 7800 // then we need to make sure to use that new apk for determining the 7801 // dependencies here. (We haven't yet finished committing the new apk 7802 // to the package manager state.) 7803 if (p == null || p.packageName.equals(changingLib.packageName)) { 7804 p = changingLib; 7805 } 7806 } 7807 if (p != null) { 7808 usesLibraryFiles.addAll(p.getAllCodePaths()); 7809 } 7810 } 7811 7812 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7813 PackageParser.Package changingLib) throws PackageManagerException { 7814 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7815 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7816 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7817 for (int i=0; i<N; i++) { 7818 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7819 if (file == null) { 7820 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7821 "Package " + pkg.packageName + " requires unavailable shared library " 7822 + pkg.usesLibraries.get(i) + "; failing!"); 7823 } 7824 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7825 } 7826 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7827 for (int i=0; i<N; i++) { 7828 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7829 if (file == null) { 7830 Slog.w(TAG, "Package " + pkg.packageName 7831 + " desires unavailable shared library " 7832 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7833 } else { 7834 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7835 } 7836 } 7837 N = usesLibraryFiles.size(); 7838 if (N > 0) { 7839 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7840 } else { 7841 pkg.usesLibraryFiles = null; 7842 } 7843 } 7844 } 7845 7846 private static boolean hasString(List<String> list, List<String> which) { 7847 if (list == null) { 7848 return false; 7849 } 7850 for (int i=list.size()-1; i>=0; i--) { 7851 for (int j=which.size()-1; j>=0; j--) { 7852 if (which.get(j).equals(list.get(i))) { 7853 return true; 7854 } 7855 } 7856 } 7857 return false; 7858 } 7859 7860 private void updateAllSharedLibrariesLPw() { 7861 for (PackageParser.Package pkg : mPackages.values()) { 7862 try { 7863 updateSharedLibrariesLPw(pkg, null); 7864 } catch (PackageManagerException e) { 7865 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7866 } 7867 } 7868 } 7869 7870 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7871 PackageParser.Package changingPkg) { 7872 ArrayList<PackageParser.Package> res = null; 7873 for (PackageParser.Package pkg : mPackages.values()) { 7874 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7875 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7876 if (res == null) { 7877 res = new ArrayList<PackageParser.Package>(); 7878 } 7879 res.add(pkg); 7880 try { 7881 updateSharedLibrariesLPw(pkg, changingPkg); 7882 } catch (PackageManagerException e) { 7883 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7884 } 7885 } 7886 } 7887 return res; 7888 } 7889 7890 /** 7891 * Derive the value of the {@code cpuAbiOverride} based on the provided 7892 * value and an optional stored value from the package settings. 7893 */ 7894 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7895 String cpuAbiOverride = null; 7896 7897 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7898 cpuAbiOverride = null; 7899 } else if (abiOverride != null) { 7900 cpuAbiOverride = abiOverride; 7901 } else if (settings != null) { 7902 cpuAbiOverride = settings.cpuAbiOverrideString; 7903 } 7904 7905 return cpuAbiOverride; 7906 } 7907 7908 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7909 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7910 throws PackageManagerException { 7911 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7912 // If the package has children and this is the first dive in the function 7913 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7914 // whether all packages (parent and children) would be successfully scanned 7915 // before the actual scan since scanning mutates internal state and we want 7916 // to atomically install the package and its children. 7917 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7918 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7919 scanFlags |= SCAN_CHECK_ONLY; 7920 } 7921 } else { 7922 scanFlags &= ~SCAN_CHECK_ONLY; 7923 } 7924 7925 final PackageParser.Package scannedPkg; 7926 try { 7927 // Scan the parent 7928 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7929 // Scan the children 7930 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7931 for (int i = 0; i < childCount; i++) { 7932 PackageParser.Package childPkg = pkg.childPackages.get(i); 7933 scanPackageLI(childPkg, policyFlags, 7934 scanFlags, currentTime, user); 7935 } 7936 } finally { 7937 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7938 } 7939 7940 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7941 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7942 } 7943 7944 return scannedPkg; 7945 } 7946 7947 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7948 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7949 boolean success = false; 7950 try { 7951 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7952 currentTime, user); 7953 success = true; 7954 return res; 7955 } finally { 7956 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7957 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7958 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7959 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7960 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7961 } 7962 } 7963 } 7964 7965 /** 7966 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7967 */ 7968 private static boolean apkHasCode(String fileName) { 7969 StrictJarFile jarFile = null; 7970 try { 7971 jarFile = new StrictJarFile(fileName, 7972 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7973 return jarFile.findEntry("classes.dex") != null; 7974 } catch (IOException ignore) { 7975 } finally { 7976 try { 7977 if (jarFile != null) { 7978 jarFile.close(); 7979 } 7980 } catch (IOException ignore) {} 7981 } 7982 return false; 7983 } 7984 7985 /** 7986 * Enforces code policy for the package. This ensures that if an APK has 7987 * declared hasCode="true" in its manifest that the APK actually contains 7988 * code. 7989 * 7990 * @throws PackageManagerException If bytecode could not be found when it should exist 7991 */ 7992 private static void enforceCodePolicy(PackageParser.Package pkg) 7993 throws PackageManagerException { 7994 final boolean shouldHaveCode = 7995 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7996 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7997 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7998 "Package " + pkg.baseCodePath + " code is missing"); 7999 } 8000 8001 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8002 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8003 final boolean splitShouldHaveCode = 8004 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8005 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8006 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8007 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8008 } 8009 } 8010 } 8011 } 8012 8013 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8014 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8015 throws PackageManagerException { 8016 final File scanFile = new File(pkg.codePath); 8017 if (pkg.applicationInfo.getCodePath() == null || 8018 pkg.applicationInfo.getResourcePath() == null) { 8019 // Bail out. The resource and code paths haven't been set. 8020 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8021 "Code and resource paths haven't been set correctly"); 8022 } 8023 8024 // Apply policy 8025 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8026 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8027 if (pkg.applicationInfo.isDirectBootAware()) { 8028 // we're direct boot aware; set for all components 8029 for (PackageParser.Service s : pkg.services) { 8030 s.info.encryptionAware = s.info.directBootAware = true; 8031 } 8032 for (PackageParser.Provider p : pkg.providers) { 8033 p.info.encryptionAware = p.info.directBootAware = true; 8034 } 8035 for (PackageParser.Activity a : pkg.activities) { 8036 a.info.encryptionAware = a.info.directBootAware = true; 8037 } 8038 for (PackageParser.Activity r : pkg.receivers) { 8039 r.info.encryptionAware = r.info.directBootAware = true; 8040 } 8041 } 8042 } else { 8043 // Only allow system apps to be flagged as core apps. 8044 pkg.coreApp = false; 8045 // clear flags not applicable to regular apps 8046 pkg.applicationInfo.privateFlags &= 8047 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8048 pkg.applicationInfo.privateFlags &= 8049 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8050 } 8051 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8052 8053 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8054 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8055 } 8056 8057 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8058 enforceCodePolicy(pkg); 8059 } 8060 8061 if (mCustomResolverComponentName != null && 8062 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8063 setUpCustomResolverActivity(pkg); 8064 } 8065 8066 if (pkg.packageName.equals("android")) { 8067 synchronized (mPackages) { 8068 if (mAndroidApplication != null) { 8069 Slog.w(TAG, "*************************************************"); 8070 Slog.w(TAG, "Core android package being redefined. Skipping."); 8071 Slog.w(TAG, " file=" + scanFile); 8072 Slog.w(TAG, "*************************************************"); 8073 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8074 "Core android package being redefined. Skipping."); 8075 } 8076 8077 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8078 // Set up information for our fall-back user intent resolution activity. 8079 mPlatformPackage = pkg; 8080 pkg.mVersionCode = mSdkVersion; 8081 mAndroidApplication = pkg.applicationInfo; 8082 8083 if (!mResolverReplaced) { 8084 mResolveActivity.applicationInfo = mAndroidApplication; 8085 mResolveActivity.name = ResolverActivity.class.getName(); 8086 mResolveActivity.packageName = mAndroidApplication.packageName; 8087 mResolveActivity.processName = "system:ui"; 8088 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8089 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8090 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8091 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8092 mResolveActivity.exported = true; 8093 mResolveActivity.enabled = true; 8094 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8095 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8096 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8097 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8098 | ActivityInfo.CONFIG_ORIENTATION 8099 | ActivityInfo.CONFIG_KEYBOARD 8100 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8101 mResolveInfo.activityInfo = mResolveActivity; 8102 mResolveInfo.priority = 0; 8103 mResolveInfo.preferredOrder = 0; 8104 mResolveInfo.match = 0; 8105 mResolveComponentName = new ComponentName( 8106 mAndroidApplication.packageName, mResolveActivity.name); 8107 } 8108 } 8109 } 8110 } 8111 8112 if (DEBUG_PACKAGE_SCANNING) { 8113 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8114 Log.d(TAG, "Scanning package " + pkg.packageName); 8115 } 8116 8117 synchronized (mPackages) { 8118 if (mPackages.containsKey(pkg.packageName) 8119 || mSharedLibraries.containsKey(pkg.packageName)) { 8120 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8121 "Application package " + pkg.packageName 8122 + " already installed. Skipping duplicate."); 8123 } 8124 8125 // If we're only installing presumed-existing packages, require that the 8126 // scanned APK is both already known and at the path previously established 8127 // for it. Previously unknown packages we pick up normally, but if we have an 8128 // a priori expectation about this package's install presence, enforce it. 8129 // With a singular exception for new system packages. When an OTA contains 8130 // a new system package, we allow the codepath to change from a system location 8131 // to the user-installed location. If we don't allow this change, any newer, 8132 // user-installed version of the application will be ignored. 8133 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8134 if (mExpectingBetter.containsKey(pkg.packageName)) { 8135 logCriticalInfo(Log.WARN, 8136 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8137 } else { 8138 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8139 if (known != null) { 8140 if (DEBUG_PACKAGE_SCANNING) { 8141 Log.d(TAG, "Examining " + pkg.codePath 8142 + " and requiring known paths " + known.codePathString 8143 + " & " + known.resourcePathString); 8144 } 8145 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8146 || !pkg.applicationInfo.getResourcePath().equals( 8147 known.resourcePathString)) { 8148 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8149 "Application package " + pkg.packageName 8150 + " found at " + pkg.applicationInfo.getCodePath() 8151 + " but expected at " + known.codePathString 8152 + "; ignoring."); 8153 } 8154 } 8155 } 8156 } 8157 } 8158 8159 // Initialize package source and resource directories 8160 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8161 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8162 8163 SharedUserSetting suid = null; 8164 PackageSetting pkgSetting = null; 8165 8166 if (!isSystemApp(pkg)) { 8167 // Only system apps can use these features. 8168 pkg.mOriginalPackages = null; 8169 pkg.mRealPackage = null; 8170 pkg.mAdoptPermissions = null; 8171 } 8172 8173 // Getting the package setting may have a side-effect, so if we 8174 // are only checking if scan would succeed, stash a copy of the 8175 // old setting to restore at the end. 8176 PackageSetting nonMutatedPs = null; 8177 8178 // writer 8179 synchronized (mPackages) { 8180 if (pkg.mSharedUserId != null) { 8181 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8182 if (suid == null) { 8183 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8184 "Creating application package " + pkg.packageName 8185 + " for shared user failed"); 8186 } 8187 if (DEBUG_PACKAGE_SCANNING) { 8188 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8189 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8190 + "): packages=" + suid.packages); 8191 } 8192 } 8193 8194 // Check if we are renaming from an original package name. 8195 PackageSetting origPackage = null; 8196 String realName = null; 8197 if (pkg.mOriginalPackages != null) { 8198 // This package may need to be renamed to a previously 8199 // installed name. Let's check on that... 8200 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8201 if (pkg.mOriginalPackages.contains(renamed)) { 8202 // This package had originally been installed as the 8203 // original name, and we have already taken care of 8204 // transitioning to the new one. Just update the new 8205 // one to continue using the old name. 8206 realName = pkg.mRealPackage; 8207 if (!pkg.packageName.equals(renamed)) { 8208 // Callers into this function may have already taken 8209 // care of renaming the package; only do it here if 8210 // it is not already done. 8211 pkg.setPackageName(renamed); 8212 } 8213 8214 } else { 8215 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8216 if ((origPackage = mSettings.peekPackageLPr( 8217 pkg.mOriginalPackages.get(i))) != null) { 8218 // We do have the package already installed under its 8219 // original name... should we use it? 8220 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8221 // New package is not compatible with original. 8222 origPackage = null; 8223 continue; 8224 } else if (origPackage.sharedUser != null) { 8225 // Make sure uid is compatible between packages. 8226 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8227 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8228 + " to " + pkg.packageName + ": old uid " 8229 + origPackage.sharedUser.name 8230 + " differs from " + pkg.mSharedUserId); 8231 origPackage = null; 8232 continue; 8233 } 8234 // TODO: Add case when shared user id is added [b/28144775] 8235 } else { 8236 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8237 + pkg.packageName + " to old name " + origPackage.name); 8238 } 8239 break; 8240 } 8241 } 8242 } 8243 } 8244 8245 if (mTransferedPackages.contains(pkg.packageName)) { 8246 Slog.w(TAG, "Package " + pkg.packageName 8247 + " was transferred to another, but its .apk remains"); 8248 } 8249 8250 // See comments in nonMutatedPs declaration 8251 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8252 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8253 if (foundPs != null) { 8254 nonMutatedPs = new PackageSetting(foundPs); 8255 } 8256 } 8257 8258 // Just create the setting, don't add it yet. For already existing packages 8259 // the PkgSetting exists already and doesn't have to be created. 8260 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8261 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8262 pkg.applicationInfo.primaryCpuAbi, 8263 pkg.applicationInfo.secondaryCpuAbi, 8264 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8265 user, false); 8266 if (pkgSetting == null) { 8267 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8268 "Creating application package " + pkg.packageName + " failed"); 8269 } 8270 8271 if (pkgSetting.origPackage != null) { 8272 // If we are first transitioning from an original package, 8273 // fix up the new package's name now. We need to do this after 8274 // looking up the package under its new name, so getPackageLP 8275 // can take care of fiddling things correctly. 8276 pkg.setPackageName(origPackage.name); 8277 8278 // File a report about this. 8279 String msg = "New package " + pkgSetting.realName 8280 + " renamed to replace old package " + pkgSetting.name; 8281 reportSettingsProblem(Log.WARN, msg); 8282 8283 // Make a note of it. 8284 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8285 mTransferedPackages.add(origPackage.name); 8286 } 8287 8288 // No longer need to retain this. 8289 pkgSetting.origPackage = null; 8290 } 8291 8292 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8293 // Make a note of it. 8294 mTransferedPackages.add(pkg.packageName); 8295 } 8296 8297 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8298 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8299 } 8300 8301 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8302 // Check all shared libraries and map to their actual file path. 8303 // We only do this here for apps not on a system dir, because those 8304 // are the only ones that can fail an install due to this. We 8305 // will take care of the system apps by updating all of their 8306 // library paths after the scan is done. 8307 updateSharedLibrariesLPw(pkg, null); 8308 } 8309 8310 if (mFoundPolicyFile) { 8311 SELinuxMMAC.assignSeinfoValue(pkg); 8312 } 8313 8314 pkg.applicationInfo.uid = pkgSetting.appId; 8315 pkg.mExtras = pkgSetting; 8316 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8317 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8318 // We just determined the app is signed correctly, so bring 8319 // over the latest parsed certs. 8320 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8321 } else { 8322 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8323 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8324 "Package " + pkg.packageName + " upgrade keys do not match the " 8325 + "previously installed version"); 8326 } else { 8327 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8328 String msg = "System package " + pkg.packageName 8329 + " signature changed; retaining data."; 8330 reportSettingsProblem(Log.WARN, msg); 8331 } 8332 } 8333 } else { 8334 try { 8335 verifySignaturesLP(pkgSetting, pkg); 8336 // We just determined the app is signed correctly, so bring 8337 // over the latest parsed certs. 8338 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8339 } catch (PackageManagerException e) { 8340 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8341 throw e; 8342 } 8343 // The signature has changed, but this package is in the system 8344 // image... let's recover! 8345 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8346 // However... if this package is part of a shared user, but it 8347 // doesn't match the signature of the shared user, let's fail. 8348 // What this means is that you can't change the signatures 8349 // associated with an overall shared user, which doesn't seem all 8350 // that unreasonable. 8351 if (pkgSetting.sharedUser != null) { 8352 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8353 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8354 throw new PackageManagerException( 8355 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8356 "Signature mismatch for shared user: " 8357 + pkgSetting.sharedUser); 8358 } 8359 } 8360 // File a report about this. 8361 String msg = "System package " + pkg.packageName 8362 + " signature changed; retaining data."; 8363 reportSettingsProblem(Log.WARN, msg); 8364 } 8365 } 8366 // Verify that this new package doesn't have any content providers 8367 // that conflict with existing packages. Only do this if the 8368 // package isn't already installed, since we don't want to break 8369 // things that are installed. 8370 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8371 final int N = pkg.providers.size(); 8372 int i; 8373 for (i=0; i<N; i++) { 8374 PackageParser.Provider p = pkg.providers.get(i); 8375 if (p.info.authority != null) { 8376 String names[] = p.info.authority.split(";"); 8377 for (int j = 0; j < names.length; j++) { 8378 if (mProvidersByAuthority.containsKey(names[j])) { 8379 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8380 final String otherPackageName = 8381 ((other != null && other.getComponentName() != null) ? 8382 other.getComponentName().getPackageName() : "?"); 8383 throw new PackageManagerException( 8384 INSTALL_FAILED_CONFLICTING_PROVIDER, 8385 "Can't install because provider name " + names[j] 8386 + " (in package " + pkg.applicationInfo.packageName 8387 + ") is already used by " + otherPackageName); 8388 } 8389 } 8390 } 8391 } 8392 } 8393 8394 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8395 // This package wants to adopt ownership of permissions from 8396 // another package. 8397 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8398 final String origName = pkg.mAdoptPermissions.get(i); 8399 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8400 if (orig != null) { 8401 if (verifyPackageUpdateLPr(orig, pkg)) { 8402 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8403 + pkg.packageName); 8404 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8405 } 8406 } 8407 } 8408 } 8409 } 8410 8411 final String pkgName = pkg.packageName; 8412 8413 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8414 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8415 pkg.applicationInfo.processName = fixProcessName( 8416 pkg.applicationInfo.packageName, 8417 pkg.applicationInfo.processName, 8418 pkg.applicationInfo.uid); 8419 8420 if (pkg != mPlatformPackage) { 8421 // Get all of our default paths setup 8422 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8423 } 8424 8425 final String path = scanFile.getPath(); 8426 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8427 8428 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8429 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8430 8431 // Some system apps still use directory structure for native libraries 8432 // in which case we might end up not detecting abi solely based on apk 8433 // structure. Try to detect abi based on directory structure. 8434 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8435 pkg.applicationInfo.primaryCpuAbi == null) { 8436 setBundledAppAbisAndRoots(pkg, pkgSetting); 8437 setNativeLibraryPaths(pkg); 8438 } 8439 8440 } else { 8441 if ((scanFlags & SCAN_MOVE) != 0) { 8442 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8443 // but we already have this packages package info in the PackageSetting. We just 8444 // use that and derive the native library path based on the new codepath. 8445 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8446 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8447 } 8448 8449 // Set native library paths again. For moves, the path will be updated based on the 8450 // ABIs we've determined above. For non-moves, the path will be updated based on the 8451 // ABIs we determined during compilation, but the path will depend on the final 8452 // package path (after the rename away from the stage path). 8453 setNativeLibraryPaths(pkg); 8454 } 8455 8456 // This is a special case for the "system" package, where the ABI is 8457 // dictated by the zygote configuration (and init.rc). We should keep track 8458 // of this ABI so that we can deal with "normal" applications that run under 8459 // the same UID correctly. 8460 if (mPlatformPackage == pkg) { 8461 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8462 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8463 } 8464 8465 // If there's a mismatch between the abi-override in the package setting 8466 // and the abiOverride specified for the install. Warn about this because we 8467 // would've already compiled the app without taking the package setting into 8468 // account. 8469 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8470 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8471 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8472 " for package " + pkg.packageName); 8473 } 8474 } 8475 8476 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8477 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8478 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8479 8480 // Copy the derived override back to the parsed package, so that we can 8481 // update the package settings accordingly. 8482 pkg.cpuAbiOverride = cpuAbiOverride; 8483 8484 if (DEBUG_ABI_SELECTION) { 8485 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8486 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8487 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8488 } 8489 8490 // Push the derived path down into PackageSettings so we know what to 8491 // clean up at uninstall time. 8492 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8493 8494 if (DEBUG_ABI_SELECTION) { 8495 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8496 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8497 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8498 } 8499 8500 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8501 // We don't do this here during boot because we can do it all 8502 // at once after scanning all existing packages. 8503 // 8504 // We also do this *before* we perform dexopt on this package, so that 8505 // we can avoid redundant dexopts, and also to make sure we've got the 8506 // code and package path correct. 8507 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8508 pkg, true /* boot complete */); 8509 } 8510 8511 if (mFactoryTest && pkg.requestedPermissions.contains( 8512 android.Manifest.permission.FACTORY_TEST)) { 8513 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8514 } 8515 8516 if (isSystemApp(pkg)) { 8517 pkgSetting.isOrphaned = true; 8518 } 8519 8520 ArrayList<PackageParser.Package> clientLibPkgs = null; 8521 8522 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8523 if (nonMutatedPs != null) { 8524 synchronized (mPackages) { 8525 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8526 } 8527 } 8528 return pkg; 8529 } 8530 8531 // Only privileged apps and updated privileged apps can add child packages. 8532 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8533 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8534 throw new PackageManagerException("Only privileged apps and updated " 8535 + "privileged apps can add child packages. Ignoring package " 8536 + pkg.packageName); 8537 } 8538 final int childCount = pkg.childPackages.size(); 8539 for (int i = 0; i < childCount; i++) { 8540 PackageParser.Package childPkg = pkg.childPackages.get(i); 8541 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8542 childPkg.packageName)) { 8543 throw new PackageManagerException("Cannot override a child package of " 8544 + "another disabled system app. Ignoring package " + pkg.packageName); 8545 } 8546 } 8547 } 8548 8549 // writer 8550 synchronized (mPackages) { 8551 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8552 // Only system apps can add new shared libraries. 8553 if (pkg.libraryNames != null) { 8554 for (int i=0; i<pkg.libraryNames.size(); i++) { 8555 String name = pkg.libraryNames.get(i); 8556 boolean allowed = false; 8557 if (pkg.isUpdatedSystemApp()) { 8558 // New library entries can only be added through the 8559 // system image. This is important to get rid of a lot 8560 // of nasty edge cases: for example if we allowed a non- 8561 // system update of the app to add a library, then uninstalling 8562 // the update would make the library go away, and assumptions 8563 // we made such as through app install filtering would now 8564 // have allowed apps on the device which aren't compatible 8565 // with it. Better to just have the restriction here, be 8566 // conservative, and create many fewer cases that can negatively 8567 // impact the user experience. 8568 final PackageSetting sysPs = mSettings 8569 .getDisabledSystemPkgLPr(pkg.packageName); 8570 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8571 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8572 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8573 allowed = true; 8574 break; 8575 } 8576 } 8577 } 8578 } else { 8579 allowed = true; 8580 } 8581 if (allowed) { 8582 if (!mSharedLibraries.containsKey(name)) { 8583 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8584 } else if (!name.equals(pkg.packageName)) { 8585 Slog.w(TAG, "Package " + pkg.packageName + " library " 8586 + name + " already exists; skipping"); 8587 } 8588 } else { 8589 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8590 + name + " that is not declared on system image; skipping"); 8591 } 8592 } 8593 if ((scanFlags & SCAN_BOOTING) == 0) { 8594 // If we are not booting, we need to update any applications 8595 // that are clients of our shared library. If we are booting, 8596 // this will all be done once the scan is complete. 8597 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8598 } 8599 } 8600 } 8601 } 8602 8603 if ((scanFlags & SCAN_BOOTING) != 0) { 8604 // No apps can run during boot scan, so they don't need to be frozen 8605 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8606 // Caller asked to not kill app, so it's probably not frozen 8607 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8608 // Caller asked us to ignore frozen check for some reason; they 8609 // probably didn't know the package name 8610 } else { 8611 // We're doing major surgery on this package, so it better be frozen 8612 // right now to keep it from launching 8613 checkPackageFrozen(pkgName); 8614 } 8615 8616 // Also need to kill any apps that are dependent on the library. 8617 if (clientLibPkgs != null) { 8618 for (int i=0; i<clientLibPkgs.size(); i++) { 8619 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8620 killApplication(clientPkg.applicationInfo.packageName, 8621 clientPkg.applicationInfo.uid, "update lib"); 8622 } 8623 } 8624 8625 // Make sure we're not adding any bogus keyset info 8626 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8627 ksms.assertScannedPackageValid(pkg); 8628 8629 // writer 8630 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8631 8632 boolean createIdmapFailed = false; 8633 synchronized (mPackages) { 8634 // We don't expect installation to fail beyond this point 8635 8636 if (pkgSetting.pkg != null) { 8637 // Note that |user| might be null during the initial boot scan. If a codePath 8638 // for an app has changed during a boot scan, it's due to an app update that's 8639 // part of the system partition and marker changes must be applied to all users. 8640 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8641 (user != null) ? user : UserHandle.ALL); 8642 } 8643 8644 // Add the new setting to mSettings 8645 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8646 // Add the new setting to mPackages 8647 mPackages.put(pkg.applicationInfo.packageName, pkg); 8648 // Make sure we don't accidentally delete its data. 8649 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8650 while (iter.hasNext()) { 8651 PackageCleanItem item = iter.next(); 8652 if (pkgName.equals(item.packageName)) { 8653 iter.remove(); 8654 } 8655 } 8656 8657 // Take care of first install / last update times. 8658 if (currentTime != 0) { 8659 if (pkgSetting.firstInstallTime == 0) { 8660 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8661 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8662 pkgSetting.lastUpdateTime = currentTime; 8663 } 8664 } else if (pkgSetting.firstInstallTime == 0) { 8665 // We need *something*. Take time time stamp of the file. 8666 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8667 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8668 if (scanFileTime != pkgSetting.timeStamp) { 8669 // A package on the system image has changed; consider this 8670 // to be an update. 8671 pkgSetting.lastUpdateTime = scanFileTime; 8672 } 8673 } 8674 8675 // Add the package's KeySets to the global KeySetManagerService 8676 ksms.addScannedPackageLPw(pkg); 8677 8678 int N = pkg.providers.size(); 8679 StringBuilder r = null; 8680 int i; 8681 for (i=0; i<N; i++) { 8682 PackageParser.Provider p = pkg.providers.get(i); 8683 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8684 p.info.processName, pkg.applicationInfo.uid); 8685 mProviders.addProvider(p); 8686 p.syncable = p.info.isSyncable; 8687 if (p.info.authority != null) { 8688 String names[] = p.info.authority.split(";"); 8689 p.info.authority = null; 8690 for (int j = 0; j < names.length; j++) { 8691 if (j == 1 && p.syncable) { 8692 // We only want the first authority for a provider to possibly be 8693 // syncable, so if we already added this provider using a different 8694 // authority clear the syncable flag. We copy the provider before 8695 // changing it because the mProviders object contains a reference 8696 // to a provider that we don't want to change. 8697 // Only do this for the second authority since the resulting provider 8698 // object can be the same for all future authorities for this provider. 8699 p = new PackageParser.Provider(p); 8700 p.syncable = false; 8701 } 8702 if (!mProvidersByAuthority.containsKey(names[j])) { 8703 mProvidersByAuthority.put(names[j], p); 8704 if (p.info.authority == null) { 8705 p.info.authority = names[j]; 8706 } else { 8707 p.info.authority = p.info.authority + ";" + names[j]; 8708 } 8709 if (DEBUG_PACKAGE_SCANNING) { 8710 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8711 Log.d(TAG, "Registered content provider: " + names[j] 8712 + ", className = " + p.info.name + ", isSyncable = " 8713 + p.info.isSyncable); 8714 } 8715 } else { 8716 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8717 Slog.w(TAG, "Skipping provider name " + names[j] + 8718 " (in package " + pkg.applicationInfo.packageName + 8719 "): name already used by " 8720 + ((other != null && other.getComponentName() != null) 8721 ? other.getComponentName().getPackageName() : "?")); 8722 } 8723 } 8724 } 8725 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8726 if (r == null) { 8727 r = new StringBuilder(256); 8728 } else { 8729 r.append(' '); 8730 } 8731 r.append(p.info.name); 8732 } 8733 } 8734 if (r != null) { 8735 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8736 } 8737 8738 N = pkg.services.size(); 8739 r = null; 8740 for (i=0; i<N; i++) { 8741 PackageParser.Service s = pkg.services.get(i); 8742 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8743 s.info.processName, pkg.applicationInfo.uid); 8744 mServices.addService(s); 8745 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8746 if (r == null) { 8747 r = new StringBuilder(256); 8748 } else { 8749 r.append(' '); 8750 } 8751 r.append(s.info.name); 8752 } 8753 } 8754 if (r != null) { 8755 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8756 } 8757 8758 N = pkg.receivers.size(); 8759 r = null; 8760 for (i=0; i<N; i++) { 8761 PackageParser.Activity a = pkg.receivers.get(i); 8762 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8763 a.info.processName, pkg.applicationInfo.uid); 8764 mReceivers.addActivity(a, "receiver"); 8765 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8766 if (r == null) { 8767 r = new StringBuilder(256); 8768 } else { 8769 r.append(' '); 8770 } 8771 r.append(a.info.name); 8772 } 8773 } 8774 if (r != null) { 8775 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8776 } 8777 8778 N = pkg.activities.size(); 8779 r = null; 8780 for (i=0; i<N; i++) { 8781 PackageParser.Activity a = pkg.activities.get(i); 8782 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8783 a.info.processName, pkg.applicationInfo.uid); 8784 mActivities.addActivity(a, "activity"); 8785 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8786 if (r == null) { 8787 r = new StringBuilder(256); 8788 } else { 8789 r.append(' '); 8790 } 8791 r.append(a.info.name); 8792 } 8793 } 8794 if (r != null) { 8795 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8796 } 8797 8798 N = pkg.permissionGroups.size(); 8799 r = null; 8800 for (i=0; i<N; i++) { 8801 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8802 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8803 final String curPackageName = cur == null ? null : cur.info.packageName; 8804 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 8805 if (cur == null || isPackageUpdate) { 8806 mPermissionGroups.put(pg.info.name, pg); 8807 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8808 if (r == null) { 8809 r = new StringBuilder(256); 8810 } else { 8811 r.append(' '); 8812 } 8813 if (isPackageUpdate) { 8814 r.append("UPD:"); 8815 } 8816 r.append(pg.info.name); 8817 } 8818 } else { 8819 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8820 + pg.info.packageName + " ignored: original from " 8821 + cur.info.packageName); 8822 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8823 if (r == null) { 8824 r = new StringBuilder(256); 8825 } else { 8826 r.append(' '); 8827 } 8828 r.append("DUP:"); 8829 r.append(pg.info.name); 8830 } 8831 } 8832 } 8833 if (r != null) { 8834 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8835 } 8836 8837 N = pkg.permissions.size(); 8838 r = null; 8839 for (i=0; i<N; i++) { 8840 PackageParser.Permission p = pkg.permissions.get(i); 8841 8842 // Assume by default that we did not install this permission into the system. 8843 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8844 8845 // Now that permission groups have a special meaning, we ignore permission 8846 // groups for legacy apps to prevent unexpected behavior. In particular, 8847 // permissions for one app being granted to someone just becase they happen 8848 // to be in a group defined by another app (before this had no implications). 8849 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8850 p.group = mPermissionGroups.get(p.info.group); 8851 // Warn for a permission in an unknown group. 8852 if (p.info.group != null && p.group == null) { 8853 Slog.w(TAG, "Permission " + p.info.name + " from package " 8854 + p.info.packageName + " in an unknown group " + p.info.group); 8855 } 8856 } 8857 8858 ArrayMap<String, BasePermission> permissionMap = 8859 p.tree ? mSettings.mPermissionTrees 8860 : mSettings.mPermissions; 8861 BasePermission bp = permissionMap.get(p.info.name); 8862 8863 // Allow system apps to redefine non-system permissions 8864 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8865 final boolean currentOwnerIsSystem = (bp.perm != null 8866 && isSystemApp(bp.perm.owner)); 8867 if (isSystemApp(p.owner)) { 8868 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8869 // It's a built-in permission and no owner, take ownership now 8870 bp.packageSetting = pkgSetting; 8871 bp.perm = p; 8872 bp.uid = pkg.applicationInfo.uid; 8873 bp.sourcePackage = p.info.packageName; 8874 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8875 } else if (!currentOwnerIsSystem) { 8876 String msg = "New decl " + p.owner + " of permission " 8877 + p.info.name + " is system; overriding " + bp.sourcePackage; 8878 reportSettingsProblem(Log.WARN, msg); 8879 bp = null; 8880 } 8881 } 8882 } 8883 8884 if (bp == null) { 8885 bp = new BasePermission(p.info.name, p.info.packageName, 8886 BasePermission.TYPE_NORMAL); 8887 permissionMap.put(p.info.name, bp); 8888 } 8889 8890 if (bp.perm == null) { 8891 if (bp.sourcePackage == null 8892 || bp.sourcePackage.equals(p.info.packageName)) { 8893 BasePermission tree = findPermissionTreeLP(p.info.name); 8894 if (tree == null 8895 || tree.sourcePackage.equals(p.info.packageName)) { 8896 bp.packageSetting = pkgSetting; 8897 bp.perm = p; 8898 bp.uid = pkg.applicationInfo.uid; 8899 bp.sourcePackage = p.info.packageName; 8900 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8901 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8902 if (r == null) { 8903 r = new StringBuilder(256); 8904 } else { 8905 r.append(' '); 8906 } 8907 r.append(p.info.name); 8908 } 8909 } else { 8910 Slog.w(TAG, "Permission " + p.info.name + " from package " 8911 + p.info.packageName + " ignored: base tree " 8912 + tree.name + " is from package " 8913 + tree.sourcePackage); 8914 } 8915 } else { 8916 Slog.w(TAG, "Permission " + p.info.name + " from package " 8917 + p.info.packageName + " ignored: original from " 8918 + bp.sourcePackage); 8919 } 8920 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8921 if (r == null) { 8922 r = new StringBuilder(256); 8923 } else { 8924 r.append(' '); 8925 } 8926 r.append("DUP:"); 8927 r.append(p.info.name); 8928 } 8929 if (bp.perm == p) { 8930 bp.protectionLevel = p.info.protectionLevel; 8931 } 8932 } 8933 8934 if (r != null) { 8935 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8936 } 8937 8938 N = pkg.instrumentation.size(); 8939 r = null; 8940 for (i=0; i<N; i++) { 8941 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8942 a.info.packageName = pkg.applicationInfo.packageName; 8943 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8944 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8945 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8946 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8947 a.info.dataDir = pkg.applicationInfo.dataDir; 8948 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8949 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8950 8951 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8952 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8953 mInstrumentation.put(a.getComponentName(), a); 8954 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8955 if (r == null) { 8956 r = new StringBuilder(256); 8957 } else { 8958 r.append(' '); 8959 } 8960 r.append(a.info.name); 8961 } 8962 } 8963 if (r != null) { 8964 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8965 } 8966 8967 if (pkg.protectedBroadcasts != null) { 8968 N = pkg.protectedBroadcasts.size(); 8969 for (i=0; i<N; i++) { 8970 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8971 } 8972 } 8973 8974 pkgSetting.setTimeStamp(scanFileTime); 8975 8976 // Create idmap files for pairs of (packages, overlay packages). 8977 // Note: "android", ie framework-res.apk, is handled by native layers. 8978 if (pkg.mOverlayTarget != null) { 8979 // This is an overlay package. 8980 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8981 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8982 mOverlays.put(pkg.mOverlayTarget, 8983 new ArrayMap<String, PackageParser.Package>()); 8984 } 8985 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8986 map.put(pkg.packageName, pkg); 8987 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8988 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8989 createIdmapFailed = true; 8990 } 8991 } 8992 } else if (mOverlays.containsKey(pkg.packageName) && 8993 !pkg.packageName.equals("android")) { 8994 // This is a regular package, with one or more known overlay packages. 8995 createIdmapsForPackageLI(pkg); 8996 } 8997 } 8998 8999 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9000 9001 if (createIdmapFailed) { 9002 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9003 "scanPackageLI failed to createIdmap"); 9004 } 9005 return pkg; 9006 } 9007 9008 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9009 PackageParser.Package update, UserHandle user) { 9010 if (existing.applicationInfo == null || update.applicationInfo == null) { 9011 // This isn't due to an app installation. 9012 return; 9013 } 9014 9015 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9016 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9017 9018 // The codePath hasn't changed, so there's nothing for us to do. 9019 if (Objects.equals(oldCodePath, newCodePath)) { 9020 return; 9021 } 9022 9023 File canonicalNewCodePath; 9024 try { 9025 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9026 } catch (IOException e) { 9027 Slog.w(TAG, "Failed to get canonical path.", e); 9028 return; 9029 } 9030 9031 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9032 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9033 // that the last component of the path (i.e, the name) doesn't need canonicalization 9034 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9035 // but may change in the future. Hopefully this function won't exist at that point. 9036 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9037 oldCodePath.getName()); 9038 9039 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9040 // with "@". 9041 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9042 if (!oldMarkerPrefix.endsWith("@")) { 9043 oldMarkerPrefix += "@"; 9044 } 9045 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9046 if (!newMarkerPrefix.endsWith("@")) { 9047 newMarkerPrefix += "@"; 9048 } 9049 9050 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9051 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9052 for (String updatedPath : updatedPaths) { 9053 String updatedPathName = new File(updatedPath).getName(); 9054 markerSuffixes.add(updatedPathName.replace('/', '@')); 9055 } 9056 9057 for (int userId : resolveUserIds(user.getIdentifier())) { 9058 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9059 9060 for (String markerSuffix : markerSuffixes) { 9061 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9062 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9063 if (oldForeignUseMark.exists()) { 9064 try { 9065 Os.rename(oldForeignUseMark.getAbsolutePath(), 9066 newForeignUseMark.getAbsolutePath()); 9067 } catch (ErrnoException e) { 9068 Slog.w(TAG, "Failed to rename foreign use marker", e); 9069 oldForeignUseMark.delete(); 9070 } 9071 } 9072 } 9073 } 9074 } 9075 9076 /** 9077 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9078 * is derived purely on the basis of the contents of {@code scanFile} and 9079 * {@code cpuAbiOverride}. 9080 * 9081 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9082 */ 9083 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9084 String cpuAbiOverride, boolean extractLibs) 9085 throws PackageManagerException { 9086 // TODO: We can probably be smarter about this stuff. For installed apps, 9087 // we can calculate this information at install time once and for all. For 9088 // system apps, we can probably assume that this information doesn't change 9089 // after the first boot scan. As things stand, we do lots of unnecessary work. 9090 9091 // Give ourselves some initial paths; we'll come back for another 9092 // pass once we've determined ABI below. 9093 setNativeLibraryPaths(pkg); 9094 9095 // We would never need to extract libs for forward-locked and external packages, 9096 // since the container service will do it for us. We shouldn't attempt to 9097 // extract libs from system app when it was not updated. 9098 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9099 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9100 extractLibs = false; 9101 } 9102 9103 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9104 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9105 9106 NativeLibraryHelper.Handle handle = null; 9107 try { 9108 handle = NativeLibraryHelper.Handle.create(pkg); 9109 // TODO(multiArch): This can be null for apps that didn't go through the 9110 // usual installation process. We can calculate it again, like we 9111 // do during install time. 9112 // 9113 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9114 // unnecessary. 9115 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9116 9117 // Null out the abis so that they can be recalculated. 9118 pkg.applicationInfo.primaryCpuAbi = null; 9119 pkg.applicationInfo.secondaryCpuAbi = null; 9120 if (isMultiArch(pkg.applicationInfo)) { 9121 // Warn if we've set an abiOverride for multi-lib packages.. 9122 // By definition, we need to copy both 32 and 64 bit libraries for 9123 // such packages. 9124 if (pkg.cpuAbiOverride != null 9125 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9126 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9127 } 9128 9129 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9130 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9131 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9132 if (extractLibs) { 9133 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9134 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9135 useIsaSpecificSubdirs); 9136 } else { 9137 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9138 } 9139 } 9140 9141 maybeThrowExceptionForMultiArchCopy( 9142 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9143 9144 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9145 if (extractLibs) { 9146 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9147 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9148 useIsaSpecificSubdirs); 9149 } else { 9150 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9151 } 9152 } 9153 9154 maybeThrowExceptionForMultiArchCopy( 9155 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9156 9157 if (abi64 >= 0) { 9158 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9159 } 9160 9161 if (abi32 >= 0) { 9162 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9163 if (abi64 >= 0) { 9164 if (pkg.use32bitAbi) { 9165 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9166 pkg.applicationInfo.primaryCpuAbi = abi; 9167 } else { 9168 pkg.applicationInfo.secondaryCpuAbi = abi; 9169 } 9170 } else { 9171 pkg.applicationInfo.primaryCpuAbi = abi; 9172 } 9173 } 9174 9175 } else { 9176 String[] abiList = (cpuAbiOverride != null) ? 9177 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9178 9179 // Enable gross and lame hacks for apps that are built with old 9180 // SDK tools. We must scan their APKs for renderscript bitcode and 9181 // not launch them if it's present. Don't bother checking on devices 9182 // that don't have 64 bit support. 9183 boolean needsRenderScriptOverride = false; 9184 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9185 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9186 abiList = Build.SUPPORTED_32_BIT_ABIS; 9187 needsRenderScriptOverride = true; 9188 } 9189 9190 final int copyRet; 9191 if (extractLibs) { 9192 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9193 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9194 } else { 9195 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9196 } 9197 9198 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9199 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9200 "Error unpackaging native libs for app, errorCode=" + copyRet); 9201 } 9202 9203 if (copyRet >= 0) { 9204 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9205 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9206 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9207 } else if (needsRenderScriptOverride) { 9208 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9209 } 9210 } 9211 } catch (IOException ioe) { 9212 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9213 } finally { 9214 IoUtils.closeQuietly(handle); 9215 } 9216 9217 // Now that we've calculated the ABIs and determined if it's an internal app, 9218 // we will go ahead and populate the nativeLibraryPath. 9219 setNativeLibraryPaths(pkg); 9220 } 9221 9222 /** 9223 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9224 * i.e, so that all packages can be run inside a single process if required. 9225 * 9226 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9227 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9228 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9229 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9230 * updating a package that belongs to a shared user. 9231 * 9232 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9233 * adds unnecessary complexity. 9234 */ 9235 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9236 PackageParser.Package scannedPackage, boolean bootComplete) { 9237 String requiredInstructionSet = null; 9238 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9239 requiredInstructionSet = VMRuntime.getInstructionSet( 9240 scannedPackage.applicationInfo.primaryCpuAbi); 9241 } 9242 9243 PackageSetting requirer = null; 9244 for (PackageSetting ps : packagesForUser) { 9245 // If packagesForUser contains scannedPackage, we skip it. This will happen 9246 // when scannedPackage is an update of an existing package. Without this check, 9247 // we will never be able to change the ABI of any package belonging to a shared 9248 // user, even if it's compatible with other packages. 9249 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9250 if (ps.primaryCpuAbiString == null) { 9251 continue; 9252 } 9253 9254 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9255 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9256 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9257 // this but there's not much we can do. 9258 String errorMessage = "Instruction set mismatch, " 9259 + ((requirer == null) ? "[caller]" : requirer) 9260 + " requires " + requiredInstructionSet + " whereas " + ps 9261 + " requires " + instructionSet; 9262 Slog.w(TAG, errorMessage); 9263 } 9264 9265 if (requiredInstructionSet == null) { 9266 requiredInstructionSet = instructionSet; 9267 requirer = ps; 9268 } 9269 } 9270 } 9271 9272 if (requiredInstructionSet != null) { 9273 String adjustedAbi; 9274 if (requirer != null) { 9275 // requirer != null implies that either scannedPackage was null or that scannedPackage 9276 // did not require an ABI, in which case we have to adjust scannedPackage to match 9277 // the ABI of the set (which is the same as requirer's ABI) 9278 adjustedAbi = requirer.primaryCpuAbiString; 9279 if (scannedPackage != null) { 9280 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9281 } 9282 } else { 9283 // requirer == null implies that we're updating all ABIs in the set to 9284 // match scannedPackage. 9285 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9286 } 9287 9288 for (PackageSetting ps : packagesForUser) { 9289 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9290 if (ps.primaryCpuAbiString != null) { 9291 continue; 9292 } 9293 9294 ps.primaryCpuAbiString = adjustedAbi; 9295 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9296 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9297 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9298 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9299 + " (requirer=" 9300 + (requirer == null ? "null" : requirer.pkg.packageName) 9301 + ", scannedPackage=" 9302 + (scannedPackage != null ? scannedPackage.packageName : "null") 9303 + ")"); 9304 try { 9305 mInstaller.rmdex(ps.codePathString, 9306 getDexCodeInstructionSet(getPreferredInstructionSet())); 9307 } catch (InstallerException ignored) { 9308 } 9309 } 9310 } 9311 } 9312 } 9313 } 9314 9315 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9316 synchronized (mPackages) { 9317 mResolverReplaced = true; 9318 // Set up information for custom user intent resolution activity. 9319 mResolveActivity.applicationInfo = pkg.applicationInfo; 9320 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9321 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9322 mResolveActivity.processName = pkg.applicationInfo.packageName; 9323 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9324 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9325 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9326 mResolveActivity.theme = 0; 9327 mResolveActivity.exported = true; 9328 mResolveActivity.enabled = true; 9329 mResolveInfo.activityInfo = mResolveActivity; 9330 mResolveInfo.priority = 0; 9331 mResolveInfo.preferredOrder = 0; 9332 mResolveInfo.match = 0; 9333 mResolveComponentName = mCustomResolverComponentName; 9334 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9335 mResolveComponentName); 9336 } 9337 } 9338 9339 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9340 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9341 9342 // Set up information for ephemeral installer activity 9343 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9344 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9345 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9346 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9347 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9348 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9349 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9350 mEphemeralInstallerActivity.theme = 0; 9351 mEphemeralInstallerActivity.exported = true; 9352 mEphemeralInstallerActivity.enabled = true; 9353 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9354 mEphemeralInstallerInfo.priority = 0; 9355 mEphemeralInstallerInfo.preferredOrder = 1; 9356 mEphemeralInstallerInfo.isDefault = true; 9357 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9358 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9359 9360 if (DEBUG_EPHEMERAL) { 9361 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9362 } 9363 } 9364 9365 private static String calculateBundledApkRoot(final String codePathString) { 9366 final File codePath = new File(codePathString); 9367 final File codeRoot; 9368 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9369 codeRoot = Environment.getRootDirectory(); 9370 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9371 codeRoot = Environment.getOemDirectory(); 9372 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9373 codeRoot = Environment.getVendorDirectory(); 9374 } else { 9375 // Unrecognized code path; take its top real segment as the apk root: 9376 // e.g. /something/app/blah.apk => /something 9377 try { 9378 File f = codePath.getCanonicalFile(); 9379 File parent = f.getParentFile(); // non-null because codePath is a file 9380 File tmp; 9381 while ((tmp = parent.getParentFile()) != null) { 9382 f = parent; 9383 parent = tmp; 9384 } 9385 codeRoot = f; 9386 Slog.w(TAG, "Unrecognized code path " 9387 + codePath + " - using " + codeRoot); 9388 } catch (IOException e) { 9389 // Can't canonicalize the code path -- shenanigans? 9390 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9391 return Environment.getRootDirectory().getPath(); 9392 } 9393 } 9394 return codeRoot.getPath(); 9395 } 9396 9397 /** 9398 * Derive and set the location of native libraries for the given package, 9399 * which varies depending on where and how the package was installed. 9400 */ 9401 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9402 final ApplicationInfo info = pkg.applicationInfo; 9403 final String codePath = pkg.codePath; 9404 final File codeFile = new File(codePath); 9405 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9406 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9407 9408 info.nativeLibraryRootDir = null; 9409 info.nativeLibraryRootRequiresIsa = false; 9410 info.nativeLibraryDir = null; 9411 info.secondaryNativeLibraryDir = null; 9412 9413 if (isApkFile(codeFile)) { 9414 // Monolithic install 9415 if (bundledApp) { 9416 // If "/system/lib64/apkname" exists, assume that is the per-package 9417 // native library directory to use; otherwise use "/system/lib/apkname". 9418 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9419 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9420 getPrimaryInstructionSet(info)); 9421 9422 // This is a bundled system app so choose the path based on the ABI. 9423 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9424 // is just the default path. 9425 final String apkName = deriveCodePathName(codePath); 9426 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9427 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9428 apkName).getAbsolutePath(); 9429 9430 if (info.secondaryCpuAbi != null) { 9431 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9432 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9433 secondaryLibDir, apkName).getAbsolutePath(); 9434 } 9435 } else if (asecApp) { 9436 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9437 .getAbsolutePath(); 9438 } else { 9439 final String apkName = deriveCodePathName(codePath); 9440 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9441 .getAbsolutePath(); 9442 } 9443 9444 info.nativeLibraryRootRequiresIsa = false; 9445 info.nativeLibraryDir = info.nativeLibraryRootDir; 9446 } else { 9447 // Cluster install 9448 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9449 info.nativeLibraryRootRequiresIsa = true; 9450 9451 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9452 getPrimaryInstructionSet(info)).getAbsolutePath(); 9453 9454 if (info.secondaryCpuAbi != null) { 9455 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9456 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9457 } 9458 } 9459 } 9460 9461 /** 9462 * Calculate the abis and roots for a bundled app. These can uniquely 9463 * be determined from the contents of the system partition, i.e whether 9464 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9465 * of this information, and instead assume that the system was built 9466 * sensibly. 9467 */ 9468 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9469 PackageSetting pkgSetting) { 9470 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9471 9472 // If "/system/lib64/apkname" exists, assume that is the per-package 9473 // native library directory to use; otherwise use "/system/lib/apkname". 9474 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9475 setBundledAppAbi(pkg, apkRoot, apkName); 9476 // pkgSetting might be null during rescan following uninstall of updates 9477 // to a bundled app, so accommodate that possibility. The settings in 9478 // that case will be established later from the parsed package. 9479 // 9480 // If the settings aren't null, sync them up with what we've just derived. 9481 // note that apkRoot isn't stored in the package settings. 9482 if (pkgSetting != null) { 9483 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9484 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9485 } 9486 } 9487 9488 /** 9489 * Deduces the ABI of a bundled app and sets the relevant fields on the 9490 * parsed pkg object. 9491 * 9492 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9493 * under which system libraries are installed. 9494 * @param apkName the name of the installed package. 9495 */ 9496 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9497 final File codeFile = new File(pkg.codePath); 9498 9499 final boolean has64BitLibs; 9500 final boolean has32BitLibs; 9501 if (isApkFile(codeFile)) { 9502 // Monolithic install 9503 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9504 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9505 } else { 9506 // Cluster install 9507 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9508 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9509 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9510 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9511 has64BitLibs = (new File(rootDir, isa)).exists(); 9512 } else { 9513 has64BitLibs = false; 9514 } 9515 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9516 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9517 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9518 has32BitLibs = (new File(rootDir, isa)).exists(); 9519 } else { 9520 has32BitLibs = false; 9521 } 9522 } 9523 9524 if (has64BitLibs && !has32BitLibs) { 9525 // The package has 64 bit libs, but not 32 bit libs. Its primary 9526 // ABI should be 64 bit. We can safely assume here that the bundled 9527 // native libraries correspond to the most preferred ABI in the list. 9528 9529 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9530 pkg.applicationInfo.secondaryCpuAbi = null; 9531 } else if (has32BitLibs && !has64BitLibs) { 9532 // The package has 32 bit libs but not 64 bit libs. Its primary 9533 // ABI should be 32 bit. 9534 9535 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9536 pkg.applicationInfo.secondaryCpuAbi = null; 9537 } else if (has32BitLibs && has64BitLibs) { 9538 // The application has both 64 and 32 bit bundled libraries. We check 9539 // here that the app declares multiArch support, and warn if it doesn't. 9540 // 9541 // We will be lenient here and record both ABIs. The primary will be the 9542 // ABI that's higher on the list, i.e, a device that's configured to prefer 9543 // 64 bit apps will see a 64 bit primary ABI, 9544 9545 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9546 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9547 } 9548 9549 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9550 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9551 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9552 } else { 9553 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9554 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9555 } 9556 } else { 9557 pkg.applicationInfo.primaryCpuAbi = null; 9558 pkg.applicationInfo.secondaryCpuAbi = null; 9559 } 9560 } 9561 9562 private void killApplication(String pkgName, int appId, String reason) { 9563 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9564 } 9565 9566 private void killApplication(String pkgName, int appId, int userId, String reason) { 9567 // Request the ActivityManager to kill the process(only for existing packages) 9568 // so that we do not end up in a confused state while the user is still using the older 9569 // version of the application while the new one gets installed. 9570 final long token = Binder.clearCallingIdentity(); 9571 try { 9572 IActivityManager am = ActivityManagerNative.getDefault(); 9573 if (am != null) { 9574 try { 9575 am.killApplication(pkgName, appId, userId, reason); 9576 } catch (RemoteException e) { 9577 } 9578 } 9579 } finally { 9580 Binder.restoreCallingIdentity(token); 9581 } 9582 } 9583 9584 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9585 // Remove the parent package setting 9586 PackageSetting ps = (PackageSetting) pkg.mExtras; 9587 if (ps != null) { 9588 removePackageLI(ps, chatty); 9589 } 9590 // Remove the child package setting 9591 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9592 for (int i = 0; i < childCount; i++) { 9593 PackageParser.Package childPkg = pkg.childPackages.get(i); 9594 ps = (PackageSetting) childPkg.mExtras; 9595 if (ps != null) { 9596 removePackageLI(ps, chatty); 9597 } 9598 } 9599 } 9600 9601 void removePackageLI(PackageSetting ps, boolean chatty) { 9602 if (DEBUG_INSTALL) { 9603 if (chatty) 9604 Log.d(TAG, "Removing package " + ps.name); 9605 } 9606 9607 // writer 9608 synchronized (mPackages) { 9609 mPackages.remove(ps.name); 9610 final PackageParser.Package pkg = ps.pkg; 9611 if (pkg != null) { 9612 cleanPackageDataStructuresLILPw(pkg, chatty); 9613 } 9614 } 9615 } 9616 9617 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9618 if (DEBUG_INSTALL) { 9619 if (chatty) 9620 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9621 } 9622 9623 // writer 9624 synchronized (mPackages) { 9625 // Remove the parent package 9626 mPackages.remove(pkg.applicationInfo.packageName); 9627 cleanPackageDataStructuresLILPw(pkg, chatty); 9628 9629 // Remove the child packages 9630 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9631 for (int i = 0; i < childCount; i++) { 9632 PackageParser.Package childPkg = pkg.childPackages.get(i); 9633 mPackages.remove(childPkg.applicationInfo.packageName); 9634 cleanPackageDataStructuresLILPw(childPkg, chatty); 9635 } 9636 } 9637 } 9638 9639 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9640 int N = pkg.providers.size(); 9641 StringBuilder r = null; 9642 int i; 9643 for (i=0; i<N; i++) { 9644 PackageParser.Provider p = pkg.providers.get(i); 9645 mProviders.removeProvider(p); 9646 if (p.info.authority == null) { 9647 9648 /* There was another ContentProvider with this authority when 9649 * this app was installed so this authority is null, 9650 * Ignore it as we don't have to unregister the provider. 9651 */ 9652 continue; 9653 } 9654 String names[] = p.info.authority.split(";"); 9655 for (int j = 0; j < names.length; j++) { 9656 if (mProvidersByAuthority.get(names[j]) == p) { 9657 mProvidersByAuthority.remove(names[j]); 9658 if (DEBUG_REMOVE) { 9659 if (chatty) 9660 Log.d(TAG, "Unregistered content provider: " + names[j] 9661 + ", className = " + p.info.name + ", isSyncable = " 9662 + p.info.isSyncable); 9663 } 9664 } 9665 } 9666 if (DEBUG_REMOVE && chatty) { 9667 if (r == null) { 9668 r = new StringBuilder(256); 9669 } else { 9670 r.append(' '); 9671 } 9672 r.append(p.info.name); 9673 } 9674 } 9675 if (r != null) { 9676 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9677 } 9678 9679 N = pkg.services.size(); 9680 r = null; 9681 for (i=0; i<N; i++) { 9682 PackageParser.Service s = pkg.services.get(i); 9683 mServices.removeService(s); 9684 if (chatty) { 9685 if (r == null) { 9686 r = new StringBuilder(256); 9687 } else { 9688 r.append(' '); 9689 } 9690 r.append(s.info.name); 9691 } 9692 } 9693 if (r != null) { 9694 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9695 } 9696 9697 N = pkg.receivers.size(); 9698 r = null; 9699 for (i=0; i<N; i++) { 9700 PackageParser.Activity a = pkg.receivers.get(i); 9701 mReceivers.removeActivity(a, "receiver"); 9702 if (DEBUG_REMOVE && chatty) { 9703 if (r == null) { 9704 r = new StringBuilder(256); 9705 } else { 9706 r.append(' '); 9707 } 9708 r.append(a.info.name); 9709 } 9710 } 9711 if (r != null) { 9712 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9713 } 9714 9715 N = pkg.activities.size(); 9716 r = null; 9717 for (i=0; i<N; i++) { 9718 PackageParser.Activity a = pkg.activities.get(i); 9719 mActivities.removeActivity(a, "activity"); 9720 if (DEBUG_REMOVE && chatty) { 9721 if (r == null) { 9722 r = new StringBuilder(256); 9723 } else { 9724 r.append(' '); 9725 } 9726 r.append(a.info.name); 9727 } 9728 } 9729 if (r != null) { 9730 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9731 } 9732 9733 N = pkg.permissions.size(); 9734 r = null; 9735 for (i=0; i<N; i++) { 9736 PackageParser.Permission p = pkg.permissions.get(i); 9737 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9738 if (bp == null) { 9739 bp = mSettings.mPermissionTrees.get(p.info.name); 9740 } 9741 if (bp != null && bp.perm == p) { 9742 bp.perm = null; 9743 if (DEBUG_REMOVE && chatty) { 9744 if (r == null) { 9745 r = new StringBuilder(256); 9746 } else { 9747 r.append(' '); 9748 } 9749 r.append(p.info.name); 9750 } 9751 } 9752 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9753 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9754 if (appOpPkgs != null) { 9755 appOpPkgs.remove(pkg.packageName); 9756 } 9757 } 9758 } 9759 if (r != null) { 9760 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9761 } 9762 9763 N = pkg.requestedPermissions.size(); 9764 r = null; 9765 for (i=0; i<N; i++) { 9766 String perm = pkg.requestedPermissions.get(i); 9767 BasePermission bp = mSettings.mPermissions.get(perm); 9768 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9769 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9770 if (appOpPkgs != null) { 9771 appOpPkgs.remove(pkg.packageName); 9772 if (appOpPkgs.isEmpty()) { 9773 mAppOpPermissionPackages.remove(perm); 9774 } 9775 } 9776 } 9777 } 9778 if (r != null) { 9779 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9780 } 9781 9782 N = pkg.instrumentation.size(); 9783 r = null; 9784 for (i=0; i<N; i++) { 9785 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9786 mInstrumentation.remove(a.getComponentName()); 9787 if (DEBUG_REMOVE && chatty) { 9788 if (r == null) { 9789 r = new StringBuilder(256); 9790 } else { 9791 r.append(' '); 9792 } 9793 r.append(a.info.name); 9794 } 9795 } 9796 if (r != null) { 9797 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9798 } 9799 9800 r = null; 9801 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9802 // Only system apps can hold shared libraries. 9803 if (pkg.libraryNames != null) { 9804 for (i=0; i<pkg.libraryNames.size(); i++) { 9805 String name = pkg.libraryNames.get(i); 9806 SharedLibraryEntry cur = mSharedLibraries.get(name); 9807 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9808 mSharedLibraries.remove(name); 9809 if (DEBUG_REMOVE && chatty) { 9810 if (r == null) { 9811 r = new StringBuilder(256); 9812 } else { 9813 r.append(' '); 9814 } 9815 r.append(name); 9816 } 9817 } 9818 } 9819 } 9820 } 9821 if (r != null) { 9822 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9823 } 9824 } 9825 9826 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9827 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9828 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9829 return true; 9830 } 9831 } 9832 return false; 9833 } 9834 9835 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9836 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9837 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9838 9839 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9840 // Update the parent permissions 9841 updatePermissionsLPw(pkg.packageName, pkg, flags); 9842 // Update the child permissions 9843 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9844 for (int i = 0; i < childCount; i++) { 9845 PackageParser.Package childPkg = pkg.childPackages.get(i); 9846 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9847 } 9848 } 9849 9850 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9851 int flags) { 9852 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9853 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9854 } 9855 9856 private void updatePermissionsLPw(String changingPkg, 9857 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9858 // Make sure there are no dangling permission trees. 9859 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9860 while (it.hasNext()) { 9861 final BasePermission bp = it.next(); 9862 if (bp.packageSetting == null) { 9863 // We may not yet have parsed the package, so just see if 9864 // we still know about its settings. 9865 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9866 } 9867 if (bp.packageSetting == null) { 9868 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9869 + " from package " + bp.sourcePackage); 9870 it.remove(); 9871 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9872 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9873 Slog.i(TAG, "Removing old permission tree: " + bp.name 9874 + " from package " + bp.sourcePackage); 9875 flags |= UPDATE_PERMISSIONS_ALL; 9876 it.remove(); 9877 } 9878 } 9879 } 9880 9881 // Make sure all dynamic permissions have been assigned to a package, 9882 // and make sure there are no dangling permissions. 9883 it = mSettings.mPermissions.values().iterator(); 9884 while (it.hasNext()) { 9885 final BasePermission bp = it.next(); 9886 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9887 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9888 + bp.name + " pkg=" + bp.sourcePackage 9889 + " info=" + bp.pendingInfo); 9890 if (bp.packageSetting == null && bp.pendingInfo != null) { 9891 final BasePermission tree = findPermissionTreeLP(bp.name); 9892 if (tree != null && tree.perm != null) { 9893 bp.packageSetting = tree.packageSetting; 9894 bp.perm = new PackageParser.Permission(tree.perm.owner, 9895 new PermissionInfo(bp.pendingInfo)); 9896 bp.perm.info.packageName = tree.perm.info.packageName; 9897 bp.perm.info.name = bp.name; 9898 bp.uid = tree.uid; 9899 } 9900 } 9901 } 9902 if (bp.packageSetting == null) { 9903 // We may not yet have parsed the package, so just see if 9904 // we still know about its settings. 9905 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9906 } 9907 if (bp.packageSetting == null) { 9908 Slog.w(TAG, "Removing dangling permission: " + bp.name 9909 + " from package " + bp.sourcePackage); 9910 it.remove(); 9911 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9912 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9913 Slog.i(TAG, "Removing old permission: " + bp.name 9914 + " from package " + bp.sourcePackage); 9915 flags |= UPDATE_PERMISSIONS_ALL; 9916 it.remove(); 9917 } 9918 } 9919 } 9920 9921 // Now update the permissions for all packages, in particular 9922 // replace the granted permissions of the system packages. 9923 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9924 for (PackageParser.Package pkg : mPackages.values()) { 9925 if (pkg != pkgInfo) { 9926 // Only replace for packages on requested volume 9927 final String volumeUuid = getVolumeUuidForPackage(pkg); 9928 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9929 && Objects.equals(replaceVolumeUuid, volumeUuid); 9930 grantPermissionsLPw(pkg, replace, changingPkg); 9931 } 9932 } 9933 } 9934 9935 if (pkgInfo != null) { 9936 // Only replace for packages on requested volume 9937 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9938 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9939 && Objects.equals(replaceVolumeUuid, volumeUuid); 9940 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9941 } 9942 } 9943 9944 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9945 String packageOfInterest) { 9946 // IMPORTANT: There are two types of permissions: install and runtime. 9947 // Install time permissions are granted when the app is installed to 9948 // all device users and users added in the future. Runtime permissions 9949 // are granted at runtime explicitly to specific users. Normal and signature 9950 // protected permissions are install time permissions. Dangerous permissions 9951 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9952 // otherwise they are runtime permissions. This function does not manage 9953 // runtime permissions except for the case an app targeting Lollipop MR1 9954 // being upgraded to target a newer SDK, in which case dangerous permissions 9955 // are transformed from install time to runtime ones. 9956 9957 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9958 if (ps == null) { 9959 return; 9960 } 9961 9962 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9963 9964 PermissionsState permissionsState = ps.getPermissionsState(); 9965 PermissionsState origPermissions = permissionsState; 9966 9967 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9968 9969 boolean runtimePermissionsRevoked = false; 9970 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9971 9972 boolean changedInstallPermission = false; 9973 9974 if (replace) { 9975 ps.installPermissionsFixed = false; 9976 if (!ps.isSharedUser()) { 9977 origPermissions = new PermissionsState(permissionsState); 9978 permissionsState.reset(); 9979 } else { 9980 // We need to know only about runtime permission changes since the 9981 // calling code always writes the install permissions state but 9982 // the runtime ones are written only if changed. The only cases of 9983 // changed runtime permissions here are promotion of an install to 9984 // runtime and revocation of a runtime from a shared user. 9985 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9986 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9987 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9988 runtimePermissionsRevoked = true; 9989 } 9990 } 9991 } 9992 9993 permissionsState.setGlobalGids(mGlobalGids); 9994 9995 final int N = pkg.requestedPermissions.size(); 9996 for (int i=0; i<N; i++) { 9997 final String name = pkg.requestedPermissions.get(i); 9998 final BasePermission bp = mSettings.mPermissions.get(name); 9999 10000 if (DEBUG_INSTALL) { 10001 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10002 } 10003 10004 if (bp == null || bp.packageSetting == null) { 10005 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10006 Slog.w(TAG, "Unknown permission " + name 10007 + " in package " + pkg.packageName); 10008 } 10009 continue; 10010 } 10011 10012 final String perm = bp.name; 10013 boolean allowedSig = false; 10014 int grant = GRANT_DENIED; 10015 10016 // Keep track of app op permissions. 10017 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10018 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10019 if (pkgs == null) { 10020 pkgs = new ArraySet<>(); 10021 mAppOpPermissionPackages.put(bp.name, pkgs); 10022 } 10023 pkgs.add(pkg.packageName); 10024 } 10025 10026 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10027 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10028 >= Build.VERSION_CODES.M; 10029 switch (level) { 10030 case PermissionInfo.PROTECTION_NORMAL: { 10031 // For all apps normal permissions are install time ones. 10032 grant = GRANT_INSTALL; 10033 } break; 10034 10035 case PermissionInfo.PROTECTION_DANGEROUS: { 10036 // If a permission review is required for legacy apps we represent 10037 // their permissions as always granted runtime ones since we need 10038 // to keep the review required permission flag per user while an 10039 // install permission's state is shared across all users. 10040 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired 10041 && !Build.PERMISSIONS_REVIEW_REQUIRED) { 10042 // For legacy apps dangerous permissions are install time ones. 10043 grant = GRANT_INSTALL; 10044 } else if (origPermissions.hasInstallPermission(bp.name)) { 10045 // For legacy apps that became modern, install becomes runtime. 10046 grant = GRANT_UPGRADE; 10047 } else if (mPromoteSystemApps 10048 && isSystemApp(ps) 10049 && mExistingSystemPackages.contains(ps.name)) { 10050 // For legacy system apps, install becomes runtime. 10051 // We cannot check hasInstallPermission() for system apps since those 10052 // permissions were granted implicitly and not persisted pre-M. 10053 grant = GRANT_UPGRADE; 10054 } else { 10055 // For modern apps keep runtime permissions unchanged. 10056 grant = GRANT_RUNTIME; 10057 } 10058 } break; 10059 10060 case PermissionInfo.PROTECTION_SIGNATURE: { 10061 // For all apps signature permissions are install time ones. 10062 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10063 if (allowedSig) { 10064 grant = GRANT_INSTALL; 10065 } 10066 } break; 10067 } 10068 10069 if (DEBUG_INSTALL) { 10070 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10071 } 10072 10073 if (grant != GRANT_DENIED) { 10074 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10075 // If this is an existing, non-system package, then 10076 // we can't add any new permissions to it. 10077 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10078 // Except... if this is a permission that was added 10079 // to the platform (note: need to only do this when 10080 // updating the platform). 10081 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10082 grant = GRANT_DENIED; 10083 } 10084 } 10085 } 10086 10087 switch (grant) { 10088 case GRANT_INSTALL: { 10089 // Revoke this as runtime permission to handle the case of 10090 // a runtime permission being downgraded to an install one. 10091 // Also in permission review mode we keep dangerous permissions 10092 // for legacy apps 10093 for (int userId : UserManagerService.getInstance().getUserIds()) { 10094 if (origPermissions.getRuntimePermissionState( 10095 bp.name, userId) != null) { 10096 // Revoke the runtime permission and clear the flags. 10097 origPermissions.revokeRuntimePermission(bp, userId); 10098 origPermissions.updatePermissionFlags(bp, userId, 10099 PackageManager.MASK_PERMISSION_FLAGS, 0); 10100 // If we revoked a permission permission, we have to write. 10101 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10102 changedRuntimePermissionUserIds, userId); 10103 } 10104 } 10105 // Grant an install permission. 10106 if (permissionsState.grantInstallPermission(bp) != 10107 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10108 changedInstallPermission = true; 10109 } 10110 } break; 10111 10112 case GRANT_RUNTIME: { 10113 // Grant previously granted runtime permissions. 10114 for (int userId : UserManagerService.getInstance().getUserIds()) { 10115 PermissionState permissionState = origPermissions 10116 .getRuntimePermissionState(bp.name, userId); 10117 int flags = permissionState != null 10118 ? permissionState.getFlags() : 0; 10119 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10120 // Don't propagate the permission in a permission review mode if 10121 // the former was revoked, i.e. marked to not propagate on upgrade. 10122 // Note that in a permission review mode install permissions are 10123 // represented as constantly granted runtime ones since we need to 10124 // keep a per user state associated with the permission. Also the 10125 // revoke on upgrade flag is no longer applicable and is reset. 10126 final boolean revokeOnUpgrade = (flags & PackageManager 10127 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 10128 if (revokeOnUpgrade) { 10129 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 10130 // Since we changed the flags, we have to write. 10131 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10132 changedRuntimePermissionUserIds, userId); 10133 } 10134 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 10135 if (permissionsState.grantRuntimePermission(bp, userId) == 10136 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10137 // If we cannot put the permission as it was, 10138 // we have to write. 10139 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10140 changedRuntimePermissionUserIds, userId); 10141 } 10142 } 10143 10144 // If the app supports runtime permissions no need for a review. 10145 if ((mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) 10146 && appSupportsRuntimePermissions 10147 && (flags & PackageManager 10148 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10149 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10150 // Since we changed the flags, we have to write. 10151 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10152 changedRuntimePermissionUserIds, userId); 10153 } 10154 } else if ((mPermissionReviewRequired 10155 || Build.PERMISSIONS_REVIEW_REQUIRED) 10156 && !appSupportsRuntimePermissions) { 10157 // For legacy apps that need a permission review, every new 10158 // runtime permission is granted but it is pending a review. 10159 // We also need to review only platform defined runtime 10160 // permissions as these are the only ones the platform knows 10161 // how to disable the API to simulate revocation as legacy 10162 // apps don't expect to run with revoked permissions. 10163 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10164 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10165 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10166 // We changed the flags, hence have to write. 10167 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10168 changedRuntimePermissionUserIds, userId); 10169 } 10170 } 10171 if (permissionsState.grantRuntimePermission(bp, userId) 10172 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10173 // We changed the permission, hence have to write. 10174 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10175 changedRuntimePermissionUserIds, userId); 10176 } 10177 } 10178 // Propagate the permission flags. 10179 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10180 } 10181 } break; 10182 10183 case GRANT_UPGRADE: { 10184 // Grant runtime permissions for a previously held install permission. 10185 PermissionState permissionState = origPermissions 10186 .getInstallPermissionState(bp.name); 10187 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10188 10189 if (origPermissions.revokeInstallPermission(bp) 10190 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10191 // We will be transferring the permission flags, so clear them. 10192 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10193 PackageManager.MASK_PERMISSION_FLAGS, 0); 10194 changedInstallPermission = true; 10195 } 10196 10197 // If the permission is not to be promoted to runtime we ignore it and 10198 // also its other flags as they are not applicable to install permissions. 10199 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10200 for (int userId : currentUserIds) { 10201 if (permissionsState.grantRuntimePermission(bp, userId) != 10202 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10203 // Transfer the permission flags. 10204 permissionsState.updatePermissionFlags(bp, userId, 10205 flags, flags); 10206 // If we granted the permission, we have to write. 10207 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10208 changedRuntimePermissionUserIds, userId); 10209 } 10210 } 10211 } 10212 } break; 10213 10214 default: { 10215 if (packageOfInterest == null 10216 || packageOfInterest.equals(pkg.packageName)) { 10217 Slog.w(TAG, "Not granting permission " + perm 10218 + " to package " + pkg.packageName 10219 + " because it was previously installed without"); 10220 } 10221 } break; 10222 } 10223 } else { 10224 if (permissionsState.revokeInstallPermission(bp) != 10225 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10226 // Also drop the permission flags. 10227 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10228 PackageManager.MASK_PERMISSION_FLAGS, 0); 10229 changedInstallPermission = true; 10230 Slog.i(TAG, "Un-granting permission " + perm 10231 + " from package " + pkg.packageName 10232 + " (protectionLevel=" + bp.protectionLevel 10233 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10234 + ")"); 10235 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10236 // Don't print warning for app op permissions, since it is fine for them 10237 // not to be granted, there is a UI for the user to decide. 10238 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10239 Slog.w(TAG, "Not granting permission " + perm 10240 + " to package " + pkg.packageName 10241 + " (protectionLevel=" + bp.protectionLevel 10242 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10243 + ")"); 10244 } 10245 } 10246 } 10247 } 10248 10249 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10250 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10251 // This is the first that we have heard about this package, so the 10252 // permissions we have now selected are fixed until explicitly 10253 // changed. 10254 ps.installPermissionsFixed = true; 10255 } 10256 10257 // Persist the runtime permissions state for users with changes. If permissions 10258 // were revoked because no app in the shared user declares them we have to 10259 // write synchronously to avoid losing runtime permissions state. 10260 for (int userId : changedRuntimePermissionUserIds) { 10261 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10262 } 10263 10264 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10265 } 10266 10267 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10268 boolean allowed = false; 10269 final int NP = PackageParser.NEW_PERMISSIONS.length; 10270 for (int ip=0; ip<NP; ip++) { 10271 final PackageParser.NewPermissionInfo npi 10272 = PackageParser.NEW_PERMISSIONS[ip]; 10273 if (npi.name.equals(perm) 10274 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10275 allowed = true; 10276 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10277 + pkg.packageName); 10278 break; 10279 } 10280 } 10281 return allowed; 10282 } 10283 10284 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10285 BasePermission bp, PermissionsState origPermissions) { 10286 boolean allowed; 10287 allowed = (compareSignatures( 10288 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10289 == PackageManager.SIGNATURE_MATCH) 10290 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10291 == PackageManager.SIGNATURE_MATCH); 10292 if (!allowed && (bp.protectionLevel 10293 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10294 if (isSystemApp(pkg)) { 10295 // For updated system applications, a system permission 10296 // is granted only if it had been defined by the original application. 10297 if (pkg.isUpdatedSystemApp()) { 10298 final PackageSetting sysPs = mSettings 10299 .getDisabledSystemPkgLPr(pkg.packageName); 10300 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10301 // If the original was granted this permission, we take 10302 // that grant decision as read and propagate it to the 10303 // update. 10304 if (sysPs.isPrivileged()) { 10305 allowed = true; 10306 } 10307 } else { 10308 // The system apk may have been updated with an older 10309 // version of the one on the data partition, but which 10310 // granted a new system permission that it didn't have 10311 // before. In this case we do want to allow the app to 10312 // now get the new permission if the ancestral apk is 10313 // privileged to get it. 10314 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10315 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10316 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10317 allowed = true; 10318 break; 10319 } 10320 } 10321 } 10322 // Also if a privileged parent package on the system image or any of 10323 // its children requested a privileged permission, the updated child 10324 // packages can also get the permission. 10325 if (pkg.parentPackage != null) { 10326 final PackageSetting disabledSysParentPs = mSettings 10327 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10328 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10329 && disabledSysParentPs.isPrivileged()) { 10330 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10331 allowed = true; 10332 } else if (disabledSysParentPs.pkg.childPackages != null) { 10333 final int count = disabledSysParentPs.pkg.childPackages.size(); 10334 for (int i = 0; i < count; i++) { 10335 PackageParser.Package disabledSysChildPkg = 10336 disabledSysParentPs.pkg.childPackages.get(i); 10337 if (isPackageRequestingPermission(disabledSysChildPkg, 10338 perm)) { 10339 allowed = true; 10340 break; 10341 } 10342 } 10343 } 10344 } 10345 } 10346 } 10347 } else { 10348 allowed = isPrivilegedApp(pkg); 10349 } 10350 } 10351 } 10352 if (!allowed) { 10353 if (!allowed && (bp.protectionLevel 10354 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10355 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10356 // If this was a previously normal/dangerous permission that got moved 10357 // to a system permission as part of the runtime permission redesign, then 10358 // we still want to blindly grant it to old apps. 10359 allowed = true; 10360 } 10361 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10362 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10363 // If this permission is to be granted to the system installer and 10364 // this app is an installer, then it gets the permission. 10365 allowed = true; 10366 } 10367 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10368 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10369 // If this permission is to be granted to the system verifier and 10370 // this app is a verifier, then it gets the permission. 10371 allowed = true; 10372 } 10373 if (!allowed && (bp.protectionLevel 10374 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10375 && isSystemApp(pkg)) { 10376 // Any pre-installed system app is allowed to get this permission. 10377 allowed = true; 10378 } 10379 if (!allowed && (bp.protectionLevel 10380 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10381 // For development permissions, a development permission 10382 // is granted only if it was already granted. 10383 allowed = origPermissions.hasInstallPermission(perm); 10384 } 10385 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10386 && pkg.packageName.equals(mSetupWizardPackage)) { 10387 // If this permission is to be granted to the system setup wizard and 10388 // this app is a setup wizard, then it gets the permission. 10389 allowed = true; 10390 } 10391 } 10392 return allowed; 10393 } 10394 10395 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10396 final int permCount = pkg.requestedPermissions.size(); 10397 for (int j = 0; j < permCount; j++) { 10398 String requestedPermission = pkg.requestedPermissions.get(j); 10399 if (permission.equals(requestedPermission)) { 10400 return true; 10401 } 10402 } 10403 return false; 10404 } 10405 10406 final class ActivityIntentResolver 10407 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10408 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10409 boolean defaultOnly, int userId) { 10410 if (!sUserManager.exists(userId)) return null; 10411 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10412 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10413 } 10414 10415 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10416 int userId) { 10417 if (!sUserManager.exists(userId)) return null; 10418 mFlags = flags; 10419 return super.queryIntent(intent, resolvedType, 10420 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10421 } 10422 10423 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10424 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10425 if (!sUserManager.exists(userId)) return null; 10426 if (packageActivities == null) { 10427 return null; 10428 } 10429 mFlags = flags; 10430 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10431 final int N = packageActivities.size(); 10432 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10433 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10434 10435 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10436 for (int i = 0; i < N; ++i) { 10437 intentFilters = packageActivities.get(i).intents; 10438 if (intentFilters != null && intentFilters.size() > 0) { 10439 PackageParser.ActivityIntentInfo[] array = 10440 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10441 intentFilters.toArray(array); 10442 listCut.add(array); 10443 } 10444 } 10445 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10446 } 10447 10448 /** 10449 * Finds a privileged activity that matches the specified activity names. 10450 */ 10451 private PackageParser.Activity findMatchingActivity( 10452 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10453 for (PackageParser.Activity sysActivity : activityList) { 10454 if (sysActivity.info.name.equals(activityInfo.name)) { 10455 return sysActivity; 10456 } 10457 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10458 return sysActivity; 10459 } 10460 if (sysActivity.info.targetActivity != null) { 10461 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10462 return sysActivity; 10463 } 10464 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10465 return sysActivity; 10466 } 10467 } 10468 } 10469 return null; 10470 } 10471 10472 public class IterGenerator<E> { 10473 public Iterator<E> generate(ActivityIntentInfo info) { 10474 return null; 10475 } 10476 } 10477 10478 public class ActionIterGenerator extends IterGenerator<String> { 10479 @Override 10480 public Iterator<String> generate(ActivityIntentInfo info) { 10481 return info.actionsIterator(); 10482 } 10483 } 10484 10485 public class CategoriesIterGenerator extends IterGenerator<String> { 10486 @Override 10487 public Iterator<String> generate(ActivityIntentInfo info) { 10488 return info.categoriesIterator(); 10489 } 10490 } 10491 10492 public class SchemesIterGenerator extends IterGenerator<String> { 10493 @Override 10494 public Iterator<String> generate(ActivityIntentInfo info) { 10495 return info.schemesIterator(); 10496 } 10497 } 10498 10499 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10500 @Override 10501 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10502 return info.authoritiesIterator(); 10503 } 10504 } 10505 10506 /** 10507 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10508 * MODIFIED. Do not pass in a list that should not be changed. 10509 */ 10510 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10511 IterGenerator<T> generator, Iterator<T> searchIterator) { 10512 // loop through the set of actions; every one must be found in the intent filter 10513 while (searchIterator.hasNext()) { 10514 // we must have at least one filter in the list to consider a match 10515 if (intentList.size() == 0) { 10516 break; 10517 } 10518 10519 final T searchAction = searchIterator.next(); 10520 10521 // loop through the set of intent filters 10522 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10523 while (intentIter.hasNext()) { 10524 final ActivityIntentInfo intentInfo = intentIter.next(); 10525 boolean selectionFound = false; 10526 10527 // loop through the intent filter's selection criteria; at least one 10528 // of them must match the searched criteria 10529 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10530 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10531 final T intentSelection = intentSelectionIter.next(); 10532 if (intentSelection != null && intentSelection.equals(searchAction)) { 10533 selectionFound = true; 10534 break; 10535 } 10536 } 10537 10538 // the selection criteria wasn't found in this filter's set; this filter 10539 // is not a potential match 10540 if (!selectionFound) { 10541 intentIter.remove(); 10542 } 10543 } 10544 } 10545 } 10546 10547 private boolean isProtectedAction(ActivityIntentInfo filter) { 10548 final Iterator<String> actionsIter = filter.actionsIterator(); 10549 while (actionsIter != null && actionsIter.hasNext()) { 10550 final String filterAction = actionsIter.next(); 10551 if (PROTECTED_ACTIONS.contains(filterAction)) { 10552 return true; 10553 } 10554 } 10555 return false; 10556 } 10557 10558 /** 10559 * Adjusts the priority of the given intent filter according to policy. 10560 * <p> 10561 * <ul> 10562 * <li>The priority for non privileged applications is capped to '0'</li> 10563 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10564 * <li>The priority for unbundled updates to privileged applications is capped to the 10565 * priority defined on the system partition</li> 10566 * </ul> 10567 * <p> 10568 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10569 * allowed to obtain any priority on any action. 10570 */ 10571 private void adjustPriority( 10572 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10573 // nothing to do; priority is fine as-is 10574 if (intent.getPriority() <= 0) { 10575 return; 10576 } 10577 10578 final ActivityInfo activityInfo = intent.activity.info; 10579 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10580 10581 final boolean privilegedApp = 10582 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10583 if (!privilegedApp) { 10584 // non-privileged applications can never define a priority >0 10585 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10586 + " package: " + applicationInfo.packageName 10587 + " activity: " + intent.activity.className 10588 + " origPrio: " + intent.getPriority()); 10589 intent.setPriority(0); 10590 return; 10591 } 10592 10593 if (systemActivities == null) { 10594 // the system package is not disabled; we're parsing the system partition 10595 if (isProtectedAction(intent)) { 10596 if (mDeferProtectedFilters) { 10597 // We can't deal with these just yet. No component should ever obtain a 10598 // >0 priority for a protected actions, with ONE exception -- the setup 10599 // wizard. The setup wizard, however, cannot be known until we're able to 10600 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10601 // until all intent filters have been processed. Chicken, meet egg. 10602 // Let the filter temporarily have a high priority and rectify the 10603 // priorities after all system packages have been scanned. 10604 mProtectedFilters.add(intent); 10605 if (DEBUG_FILTERS) { 10606 Slog.i(TAG, "Protected action; save for later;" 10607 + " package: " + applicationInfo.packageName 10608 + " activity: " + intent.activity.className 10609 + " origPrio: " + intent.getPriority()); 10610 } 10611 return; 10612 } else { 10613 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10614 Slog.i(TAG, "No setup wizard;" 10615 + " All protected intents capped to priority 0"); 10616 } 10617 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10618 if (DEBUG_FILTERS) { 10619 Slog.i(TAG, "Found setup wizard;" 10620 + " allow priority " + intent.getPriority() + ";" 10621 + " package: " + intent.activity.info.packageName 10622 + " activity: " + intent.activity.className 10623 + " priority: " + intent.getPriority()); 10624 } 10625 // setup wizard gets whatever it wants 10626 return; 10627 } 10628 Slog.w(TAG, "Protected action; cap priority to 0;" 10629 + " package: " + intent.activity.info.packageName 10630 + " activity: " + intent.activity.className 10631 + " origPrio: " + intent.getPriority()); 10632 intent.setPriority(0); 10633 return; 10634 } 10635 } 10636 // privileged apps on the system image get whatever priority they request 10637 return; 10638 } 10639 10640 // privileged app unbundled update ... try to find the same activity 10641 final PackageParser.Activity foundActivity = 10642 findMatchingActivity(systemActivities, activityInfo); 10643 if (foundActivity == null) { 10644 // this is a new activity; it cannot obtain >0 priority 10645 if (DEBUG_FILTERS) { 10646 Slog.i(TAG, "New activity; cap priority to 0;" 10647 + " package: " + applicationInfo.packageName 10648 + " activity: " + intent.activity.className 10649 + " origPrio: " + intent.getPriority()); 10650 } 10651 intent.setPriority(0); 10652 return; 10653 } 10654 10655 // found activity, now check for filter equivalence 10656 10657 // a shallow copy is enough; we modify the list, not its contents 10658 final List<ActivityIntentInfo> intentListCopy = 10659 new ArrayList<>(foundActivity.intents); 10660 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10661 10662 // find matching action subsets 10663 final Iterator<String> actionsIterator = intent.actionsIterator(); 10664 if (actionsIterator != null) { 10665 getIntentListSubset( 10666 intentListCopy, new ActionIterGenerator(), actionsIterator); 10667 if (intentListCopy.size() == 0) { 10668 // no more intents to match; we're not equivalent 10669 if (DEBUG_FILTERS) { 10670 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10671 + " package: " + applicationInfo.packageName 10672 + " activity: " + intent.activity.className 10673 + " origPrio: " + intent.getPriority()); 10674 } 10675 intent.setPriority(0); 10676 return; 10677 } 10678 } 10679 10680 // find matching category subsets 10681 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10682 if (categoriesIterator != null) { 10683 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10684 categoriesIterator); 10685 if (intentListCopy.size() == 0) { 10686 // no more intents to match; we're not equivalent 10687 if (DEBUG_FILTERS) { 10688 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10689 + " package: " + applicationInfo.packageName 10690 + " activity: " + intent.activity.className 10691 + " origPrio: " + intent.getPriority()); 10692 } 10693 intent.setPriority(0); 10694 return; 10695 } 10696 } 10697 10698 // find matching schemes subsets 10699 final Iterator<String> schemesIterator = intent.schemesIterator(); 10700 if (schemesIterator != null) { 10701 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10702 schemesIterator); 10703 if (intentListCopy.size() == 0) { 10704 // no more intents to match; we're not equivalent 10705 if (DEBUG_FILTERS) { 10706 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10707 + " package: " + applicationInfo.packageName 10708 + " activity: " + intent.activity.className 10709 + " origPrio: " + intent.getPriority()); 10710 } 10711 intent.setPriority(0); 10712 return; 10713 } 10714 } 10715 10716 // find matching authorities subsets 10717 final Iterator<IntentFilter.AuthorityEntry> 10718 authoritiesIterator = intent.authoritiesIterator(); 10719 if (authoritiesIterator != null) { 10720 getIntentListSubset(intentListCopy, 10721 new AuthoritiesIterGenerator(), 10722 authoritiesIterator); 10723 if (intentListCopy.size() == 0) { 10724 // no more intents to match; we're not equivalent 10725 if (DEBUG_FILTERS) { 10726 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10727 + " package: " + applicationInfo.packageName 10728 + " activity: " + intent.activity.className 10729 + " origPrio: " + intent.getPriority()); 10730 } 10731 intent.setPriority(0); 10732 return; 10733 } 10734 } 10735 10736 // we found matching filter(s); app gets the max priority of all intents 10737 int cappedPriority = 0; 10738 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10739 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10740 } 10741 if (intent.getPriority() > cappedPriority) { 10742 if (DEBUG_FILTERS) { 10743 Slog.i(TAG, "Found matching filter(s);" 10744 + " cap priority to " + cappedPriority + ";" 10745 + " package: " + applicationInfo.packageName 10746 + " activity: " + intent.activity.className 10747 + " origPrio: " + intent.getPriority()); 10748 } 10749 intent.setPriority(cappedPriority); 10750 return; 10751 } 10752 // all this for nothing; the requested priority was <= what was on the system 10753 } 10754 10755 public final void addActivity(PackageParser.Activity a, String type) { 10756 mActivities.put(a.getComponentName(), a); 10757 if (DEBUG_SHOW_INFO) 10758 Log.v( 10759 TAG, " " + type + " " + 10760 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10761 if (DEBUG_SHOW_INFO) 10762 Log.v(TAG, " Class=" + a.info.name); 10763 final int NI = a.intents.size(); 10764 for (int j=0; j<NI; j++) { 10765 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10766 if ("activity".equals(type)) { 10767 final PackageSetting ps = 10768 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10769 final List<PackageParser.Activity> systemActivities = 10770 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10771 adjustPriority(systemActivities, intent); 10772 } 10773 if (DEBUG_SHOW_INFO) { 10774 Log.v(TAG, " IntentFilter:"); 10775 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10776 } 10777 if (!intent.debugCheck()) { 10778 Log.w(TAG, "==> For Activity " + a.info.name); 10779 } 10780 addFilter(intent); 10781 } 10782 } 10783 10784 public final void removeActivity(PackageParser.Activity a, String type) { 10785 mActivities.remove(a.getComponentName()); 10786 if (DEBUG_SHOW_INFO) { 10787 Log.v(TAG, " " + type + " " 10788 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10789 : a.info.name) + ":"); 10790 Log.v(TAG, " Class=" + a.info.name); 10791 } 10792 final int NI = a.intents.size(); 10793 for (int j=0; j<NI; j++) { 10794 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10795 if (DEBUG_SHOW_INFO) { 10796 Log.v(TAG, " IntentFilter:"); 10797 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10798 } 10799 removeFilter(intent); 10800 } 10801 } 10802 10803 @Override 10804 protected boolean allowFilterResult( 10805 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10806 ActivityInfo filterAi = filter.activity.info; 10807 for (int i=dest.size()-1; i>=0; i--) { 10808 ActivityInfo destAi = dest.get(i).activityInfo; 10809 if (destAi.name == filterAi.name 10810 && destAi.packageName == filterAi.packageName) { 10811 return false; 10812 } 10813 } 10814 return true; 10815 } 10816 10817 @Override 10818 protected ActivityIntentInfo[] newArray(int size) { 10819 return new ActivityIntentInfo[size]; 10820 } 10821 10822 @Override 10823 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10824 if (!sUserManager.exists(userId)) return true; 10825 PackageParser.Package p = filter.activity.owner; 10826 if (p != null) { 10827 PackageSetting ps = (PackageSetting)p.mExtras; 10828 if (ps != null) { 10829 // System apps are never considered stopped for purposes of 10830 // filtering, because there may be no way for the user to 10831 // actually re-launch them. 10832 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10833 && ps.getStopped(userId); 10834 } 10835 } 10836 return false; 10837 } 10838 10839 @Override 10840 protected boolean isPackageForFilter(String packageName, 10841 PackageParser.ActivityIntentInfo info) { 10842 return packageName.equals(info.activity.owner.packageName); 10843 } 10844 10845 @Override 10846 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10847 int match, int userId) { 10848 if (!sUserManager.exists(userId)) return null; 10849 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10850 return null; 10851 } 10852 final PackageParser.Activity activity = info.activity; 10853 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10854 if (ps == null) { 10855 return null; 10856 } 10857 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10858 ps.readUserState(userId), userId); 10859 if (ai == null) { 10860 return null; 10861 } 10862 final ResolveInfo res = new ResolveInfo(); 10863 res.activityInfo = ai; 10864 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10865 res.filter = info; 10866 } 10867 if (info != null) { 10868 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10869 } 10870 res.priority = info.getPriority(); 10871 res.preferredOrder = activity.owner.mPreferredOrder; 10872 //System.out.println("Result: " + res.activityInfo.className + 10873 // " = " + res.priority); 10874 res.match = match; 10875 res.isDefault = info.hasDefault; 10876 res.labelRes = info.labelRes; 10877 res.nonLocalizedLabel = info.nonLocalizedLabel; 10878 if (userNeedsBadging(userId)) { 10879 res.noResourceId = true; 10880 } else { 10881 res.icon = info.icon; 10882 } 10883 res.iconResourceId = info.icon; 10884 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10885 return res; 10886 } 10887 10888 @Override 10889 protected void sortResults(List<ResolveInfo> results) { 10890 Collections.sort(results, mResolvePrioritySorter); 10891 } 10892 10893 @Override 10894 protected void dumpFilter(PrintWriter out, String prefix, 10895 PackageParser.ActivityIntentInfo filter) { 10896 out.print(prefix); out.print( 10897 Integer.toHexString(System.identityHashCode(filter.activity))); 10898 out.print(' '); 10899 filter.activity.printComponentShortName(out); 10900 out.print(" filter "); 10901 out.println(Integer.toHexString(System.identityHashCode(filter))); 10902 } 10903 10904 @Override 10905 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10906 return filter.activity; 10907 } 10908 10909 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10910 PackageParser.Activity activity = (PackageParser.Activity)label; 10911 out.print(prefix); out.print( 10912 Integer.toHexString(System.identityHashCode(activity))); 10913 out.print(' '); 10914 activity.printComponentShortName(out); 10915 if (count > 1) { 10916 out.print(" ("); out.print(count); out.print(" filters)"); 10917 } 10918 out.println(); 10919 } 10920 10921 // Keys are String (activity class name), values are Activity. 10922 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10923 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10924 private int mFlags; 10925 } 10926 10927 private final class ServiceIntentResolver 10928 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10929 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10930 boolean defaultOnly, int userId) { 10931 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10932 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10933 } 10934 10935 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10936 int userId) { 10937 if (!sUserManager.exists(userId)) return null; 10938 mFlags = flags; 10939 return super.queryIntent(intent, resolvedType, 10940 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10941 } 10942 10943 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10944 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10945 if (!sUserManager.exists(userId)) return null; 10946 if (packageServices == null) { 10947 return null; 10948 } 10949 mFlags = flags; 10950 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10951 final int N = packageServices.size(); 10952 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10953 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10954 10955 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10956 for (int i = 0; i < N; ++i) { 10957 intentFilters = packageServices.get(i).intents; 10958 if (intentFilters != null && intentFilters.size() > 0) { 10959 PackageParser.ServiceIntentInfo[] array = 10960 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10961 intentFilters.toArray(array); 10962 listCut.add(array); 10963 } 10964 } 10965 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10966 } 10967 10968 public final void addService(PackageParser.Service s) { 10969 mServices.put(s.getComponentName(), s); 10970 if (DEBUG_SHOW_INFO) { 10971 Log.v(TAG, " " 10972 + (s.info.nonLocalizedLabel != null 10973 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10974 Log.v(TAG, " Class=" + s.info.name); 10975 } 10976 final int NI = s.intents.size(); 10977 int j; 10978 for (j=0; j<NI; j++) { 10979 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10980 if (DEBUG_SHOW_INFO) { 10981 Log.v(TAG, " IntentFilter:"); 10982 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10983 } 10984 if (!intent.debugCheck()) { 10985 Log.w(TAG, "==> For Service " + s.info.name); 10986 } 10987 addFilter(intent); 10988 } 10989 } 10990 10991 public final void removeService(PackageParser.Service s) { 10992 mServices.remove(s.getComponentName()); 10993 if (DEBUG_SHOW_INFO) { 10994 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10995 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10996 Log.v(TAG, " Class=" + s.info.name); 10997 } 10998 final int NI = s.intents.size(); 10999 int j; 11000 for (j=0; j<NI; j++) { 11001 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11002 if (DEBUG_SHOW_INFO) { 11003 Log.v(TAG, " IntentFilter:"); 11004 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11005 } 11006 removeFilter(intent); 11007 } 11008 } 11009 11010 @Override 11011 protected boolean allowFilterResult( 11012 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11013 ServiceInfo filterSi = filter.service.info; 11014 for (int i=dest.size()-1; i>=0; i--) { 11015 ServiceInfo destAi = dest.get(i).serviceInfo; 11016 if (destAi.name == filterSi.name 11017 && destAi.packageName == filterSi.packageName) { 11018 return false; 11019 } 11020 } 11021 return true; 11022 } 11023 11024 @Override 11025 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11026 return new PackageParser.ServiceIntentInfo[size]; 11027 } 11028 11029 @Override 11030 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11031 if (!sUserManager.exists(userId)) return true; 11032 PackageParser.Package p = filter.service.owner; 11033 if (p != null) { 11034 PackageSetting ps = (PackageSetting)p.mExtras; 11035 if (ps != null) { 11036 // System apps are never considered stopped for purposes of 11037 // filtering, because there may be no way for the user to 11038 // actually re-launch them. 11039 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11040 && ps.getStopped(userId); 11041 } 11042 } 11043 return false; 11044 } 11045 11046 @Override 11047 protected boolean isPackageForFilter(String packageName, 11048 PackageParser.ServiceIntentInfo info) { 11049 return packageName.equals(info.service.owner.packageName); 11050 } 11051 11052 @Override 11053 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11054 int match, int userId) { 11055 if (!sUserManager.exists(userId)) return null; 11056 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11057 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11058 return null; 11059 } 11060 final PackageParser.Service service = info.service; 11061 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11062 if (ps == null) { 11063 return null; 11064 } 11065 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11066 ps.readUserState(userId), userId); 11067 if (si == null) { 11068 return null; 11069 } 11070 final ResolveInfo res = new ResolveInfo(); 11071 res.serviceInfo = si; 11072 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11073 res.filter = filter; 11074 } 11075 res.priority = info.getPriority(); 11076 res.preferredOrder = service.owner.mPreferredOrder; 11077 res.match = match; 11078 res.isDefault = info.hasDefault; 11079 res.labelRes = info.labelRes; 11080 res.nonLocalizedLabel = info.nonLocalizedLabel; 11081 res.icon = info.icon; 11082 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11083 return res; 11084 } 11085 11086 @Override 11087 protected void sortResults(List<ResolveInfo> results) { 11088 Collections.sort(results, mResolvePrioritySorter); 11089 } 11090 11091 @Override 11092 protected void dumpFilter(PrintWriter out, String prefix, 11093 PackageParser.ServiceIntentInfo filter) { 11094 out.print(prefix); out.print( 11095 Integer.toHexString(System.identityHashCode(filter.service))); 11096 out.print(' '); 11097 filter.service.printComponentShortName(out); 11098 out.print(" filter "); 11099 out.println(Integer.toHexString(System.identityHashCode(filter))); 11100 } 11101 11102 @Override 11103 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11104 return filter.service; 11105 } 11106 11107 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11108 PackageParser.Service service = (PackageParser.Service)label; 11109 out.print(prefix); out.print( 11110 Integer.toHexString(System.identityHashCode(service))); 11111 out.print(' '); 11112 service.printComponentShortName(out); 11113 if (count > 1) { 11114 out.print(" ("); out.print(count); out.print(" filters)"); 11115 } 11116 out.println(); 11117 } 11118 11119// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11120// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11121// final List<ResolveInfo> retList = Lists.newArrayList(); 11122// while (i.hasNext()) { 11123// final ResolveInfo resolveInfo = (ResolveInfo) i; 11124// if (isEnabledLP(resolveInfo.serviceInfo)) { 11125// retList.add(resolveInfo); 11126// } 11127// } 11128// return retList; 11129// } 11130 11131 // Keys are String (activity class name), values are Activity. 11132 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11133 = new ArrayMap<ComponentName, PackageParser.Service>(); 11134 private int mFlags; 11135 }; 11136 11137 private final class ProviderIntentResolver 11138 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11139 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11140 boolean defaultOnly, int userId) { 11141 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11142 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11143 } 11144 11145 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11146 int userId) { 11147 if (!sUserManager.exists(userId)) 11148 return null; 11149 mFlags = flags; 11150 return super.queryIntent(intent, resolvedType, 11151 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11152 } 11153 11154 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11155 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11156 if (!sUserManager.exists(userId)) 11157 return null; 11158 if (packageProviders == null) { 11159 return null; 11160 } 11161 mFlags = flags; 11162 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11163 final int N = packageProviders.size(); 11164 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11165 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11166 11167 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11168 for (int i = 0; i < N; ++i) { 11169 intentFilters = packageProviders.get(i).intents; 11170 if (intentFilters != null && intentFilters.size() > 0) { 11171 PackageParser.ProviderIntentInfo[] array = 11172 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11173 intentFilters.toArray(array); 11174 listCut.add(array); 11175 } 11176 } 11177 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11178 } 11179 11180 public final void addProvider(PackageParser.Provider p) { 11181 if (mProviders.containsKey(p.getComponentName())) { 11182 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11183 return; 11184 } 11185 11186 mProviders.put(p.getComponentName(), p); 11187 if (DEBUG_SHOW_INFO) { 11188 Log.v(TAG, " " 11189 + (p.info.nonLocalizedLabel != null 11190 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11191 Log.v(TAG, " Class=" + p.info.name); 11192 } 11193 final int NI = p.intents.size(); 11194 int j; 11195 for (j = 0; j < NI; j++) { 11196 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11197 if (DEBUG_SHOW_INFO) { 11198 Log.v(TAG, " IntentFilter:"); 11199 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11200 } 11201 if (!intent.debugCheck()) { 11202 Log.w(TAG, "==> For Provider " + p.info.name); 11203 } 11204 addFilter(intent); 11205 } 11206 } 11207 11208 public final void removeProvider(PackageParser.Provider p) { 11209 mProviders.remove(p.getComponentName()); 11210 if (DEBUG_SHOW_INFO) { 11211 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11212 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11213 Log.v(TAG, " Class=" + p.info.name); 11214 } 11215 final int NI = p.intents.size(); 11216 int j; 11217 for (j = 0; j < NI; j++) { 11218 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11219 if (DEBUG_SHOW_INFO) { 11220 Log.v(TAG, " IntentFilter:"); 11221 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11222 } 11223 removeFilter(intent); 11224 } 11225 } 11226 11227 @Override 11228 protected boolean allowFilterResult( 11229 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11230 ProviderInfo filterPi = filter.provider.info; 11231 for (int i = dest.size() - 1; i >= 0; i--) { 11232 ProviderInfo destPi = dest.get(i).providerInfo; 11233 if (destPi.name == filterPi.name 11234 && destPi.packageName == filterPi.packageName) { 11235 return false; 11236 } 11237 } 11238 return true; 11239 } 11240 11241 @Override 11242 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11243 return new PackageParser.ProviderIntentInfo[size]; 11244 } 11245 11246 @Override 11247 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11248 if (!sUserManager.exists(userId)) 11249 return true; 11250 PackageParser.Package p = filter.provider.owner; 11251 if (p != null) { 11252 PackageSetting ps = (PackageSetting) p.mExtras; 11253 if (ps != null) { 11254 // System apps are never considered stopped for purposes of 11255 // filtering, because there may be no way for the user to 11256 // actually re-launch them. 11257 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11258 && ps.getStopped(userId); 11259 } 11260 } 11261 return false; 11262 } 11263 11264 @Override 11265 protected boolean isPackageForFilter(String packageName, 11266 PackageParser.ProviderIntentInfo info) { 11267 return packageName.equals(info.provider.owner.packageName); 11268 } 11269 11270 @Override 11271 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11272 int match, int userId) { 11273 if (!sUserManager.exists(userId)) 11274 return null; 11275 final PackageParser.ProviderIntentInfo info = filter; 11276 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11277 return null; 11278 } 11279 final PackageParser.Provider provider = info.provider; 11280 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11281 if (ps == null) { 11282 return null; 11283 } 11284 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11285 ps.readUserState(userId), userId); 11286 if (pi == null) { 11287 return null; 11288 } 11289 final ResolveInfo res = new ResolveInfo(); 11290 res.providerInfo = pi; 11291 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11292 res.filter = filter; 11293 } 11294 res.priority = info.getPriority(); 11295 res.preferredOrder = provider.owner.mPreferredOrder; 11296 res.match = match; 11297 res.isDefault = info.hasDefault; 11298 res.labelRes = info.labelRes; 11299 res.nonLocalizedLabel = info.nonLocalizedLabel; 11300 res.icon = info.icon; 11301 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11302 return res; 11303 } 11304 11305 @Override 11306 protected void sortResults(List<ResolveInfo> results) { 11307 Collections.sort(results, mResolvePrioritySorter); 11308 } 11309 11310 @Override 11311 protected void dumpFilter(PrintWriter out, String prefix, 11312 PackageParser.ProviderIntentInfo filter) { 11313 out.print(prefix); 11314 out.print( 11315 Integer.toHexString(System.identityHashCode(filter.provider))); 11316 out.print(' '); 11317 filter.provider.printComponentShortName(out); 11318 out.print(" filter "); 11319 out.println(Integer.toHexString(System.identityHashCode(filter))); 11320 } 11321 11322 @Override 11323 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11324 return filter.provider; 11325 } 11326 11327 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11328 PackageParser.Provider provider = (PackageParser.Provider)label; 11329 out.print(prefix); out.print( 11330 Integer.toHexString(System.identityHashCode(provider))); 11331 out.print(' '); 11332 provider.printComponentShortName(out); 11333 if (count > 1) { 11334 out.print(" ("); out.print(count); out.print(" filters)"); 11335 } 11336 out.println(); 11337 } 11338 11339 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11340 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11341 private int mFlags; 11342 } 11343 11344 private static final class EphemeralIntentResolver 11345 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11346 /** 11347 * The result that has the highest defined order. Ordering applies on a 11348 * per-package basis. Mapping is from package name to Pair of order and 11349 * EphemeralResolveInfo. 11350 * <p> 11351 * NOTE: This is implemented as a field variable for convenience and efficiency. 11352 * By having a field variable, we're able to track filter ordering as soon as 11353 * a non-zero order is defined. Otherwise, multiple loops across the result set 11354 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 11355 * this needs to be contained entirely within {@link #filterResults()}. 11356 */ 11357 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 11358 11359 @Override 11360 protected EphemeralResolveIntentInfo[] newArray(int size) { 11361 return new EphemeralResolveIntentInfo[size]; 11362 } 11363 11364 @Override 11365 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11366 return true; 11367 } 11368 11369 @Override 11370 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11371 int userId) { 11372 if (!sUserManager.exists(userId)) { 11373 return null; 11374 } 11375 final String packageName = info.getEphemeralResolveInfo().getPackageName(); 11376 final Integer order = info.getOrder(); 11377 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 11378 mOrderResult.get(packageName); 11379 // ordering is enabled and this item's order isn't high enough 11380 if (lastOrderResult != null && lastOrderResult.first >= order) { 11381 return null; 11382 } 11383 final EphemeralResolveInfo res = info.getEphemeralResolveInfo(); 11384 if (order > 0) { 11385 // non-zero order, enable ordering 11386 mOrderResult.put(packageName, new Pair<>(order, res)); 11387 } 11388 return res; 11389 } 11390 11391 @Override 11392 protected void filterResults(List<EphemeralResolveInfo> results) { 11393 // only do work if ordering is enabled [most of the time it won't be] 11394 if (mOrderResult.size() == 0) { 11395 return; 11396 } 11397 int resultSize = results.size(); 11398 for (int i = 0; i < resultSize; i++) { 11399 final EphemeralResolveInfo info = results.get(i); 11400 final String packageName = info.getPackageName(); 11401 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 11402 if (savedInfo == null) { 11403 // package doesn't having ordering 11404 continue; 11405 } 11406 if (savedInfo.second == info) { 11407 // circled back to the highest ordered item; remove from order list 11408 mOrderResult.remove(savedInfo); 11409 if (mOrderResult.size() == 0) { 11410 // no more ordered items 11411 break; 11412 } 11413 continue; 11414 } 11415 // item has a worse order, remove it from the result list 11416 results.remove(i); 11417 resultSize--; 11418 i--; 11419 } 11420 } 11421 } 11422 11423 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11424 new Comparator<ResolveInfo>() { 11425 public int compare(ResolveInfo r1, ResolveInfo r2) { 11426 int v1 = r1.priority; 11427 int v2 = r2.priority; 11428 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11429 if (v1 != v2) { 11430 return (v1 > v2) ? -1 : 1; 11431 } 11432 v1 = r1.preferredOrder; 11433 v2 = r2.preferredOrder; 11434 if (v1 != v2) { 11435 return (v1 > v2) ? -1 : 1; 11436 } 11437 if (r1.isDefault != r2.isDefault) { 11438 return r1.isDefault ? -1 : 1; 11439 } 11440 v1 = r1.match; 11441 v2 = r2.match; 11442 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11443 if (v1 != v2) { 11444 return (v1 > v2) ? -1 : 1; 11445 } 11446 if (r1.system != r2.system) { 11447 return r1.system ? -1 : 1; 11448 } 11449 if (r1.activityInfo != null) { 11450 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11451 } 11452 if (r1.serviceInfo != null) { 11453 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11454 } 11455 if (r1.providerInfo != null) { 11456 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11457 } 11458 return 0; 11459 } 11460 }; 11461 11462 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11463 new Comparator<ProviderInfo>() { 11464 public int compare(ProviderInfo p1, ProviderInfo p2) { 11465 final int v1 = p1.initOrder; 11466 final int v2 = p2.initOrder; 11467 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11468 } 11469 }; 11470 11471 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11472 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11473 final int[] userIds) { 11474 mHandler.post(new Runnable() { 11475 @Override 11476 public void run() { 11477 try { 11478 final IActivityManager am = ActivityManagerNative.getDefault(); 11479 if (am == null) return; 11480 final int[] resolvedUserIds; 11481 if (userIds == null) { 11482 resolvedUserIds = am.getRunningUserIds(); 11483 } else { 11484 resolvedUserIds = userIds; 11485 } 11486 for (int id : resolvedUserIds) { 11487 final Intent intent = new Intent(action, 11488 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 11489 if (extras != null) { 11490 intent.putExtras(extras); 11491 } 11492 if (targetPkg != null) { 11493 intent.setPackage(targetPkg); 11494 } 11495 // Modify the UID when posting to other users 11496 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11497 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11498 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11499 intent.putExtra(Intent.EXTRA_UID, uid); 11500 } 11501 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11502 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11503 if (DEBUG_BROADCASTS) { 11504 RuntimeException here = new RuntimeException("here"); 11505 here.fillInStackTrace(); 11506 Slog.d(TAG, "Sending to user " + id + ": " 11507 + intent.toShortString(false, true, false, false) 11508 + " " + intent.getExtras(), here); 11509 } 11510 am.broadcastIntent(null, intent, null, finishedReceiver, 11511 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11512 null, finishedReceiver != null, false, id); 11513 } 11514 } catch (RemoteException ex) { 11515 } 11516 } 11517 }); 11518 } 11519 11520 /** 11521 * Check if the external storage media is available. This is true if there 11522 * is a mounted external storage medium or if the external storage is 11523 * emulated. 11524 */ 11525 private boolean isExternalMediaAvailable() { 11526 return mMediaMounted || Environment.isExternalStorageEmulated(); 11527 } 11528 11529 @Override 11530 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11531 // writer 11532 synchronized (mPackages) { 11533 if (!isExternalMediaAvailable()) { 11534 // If the external storage is no longer mounted at this point, 11535 // the caller may not have been able to delete all of this 11536 // packages files and can not delete any more. Bail. 11537 return null; 11538 } 11539 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11540 if (lastPackage != null) { 11541 pkgs.remove(lastPackage); 11542 } 11543 if (pkgs.size() > 0) { 11544 return pkgs.get(0); 11545 } 11546 } 11547 return null; 11548 } 11549 11550 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11551 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11552 userId, andCode ? 1 : 0, packageName); 11553 if (mSystemReady) { 11554 msg.sendToTarget(); 11555 } else { 11556 if (mPostSystemReadyMessages == null) { 11557 mPostSystemReadyMessages = new ArrayList<>(); 11558 } 11559 mPostSystemReadyMessages.add(msg); 11560 } 11561 } 11562 11563 void startCleaningPackages() { 11564 // reader 11565 if (!isExternalMediaAvailable()) { 11566 return; 11567 } 11568 synchronized (mPackages) { 11569 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11570 return; 11571 } 11572 } 11573 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11574 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11575 IActivityManager am = ActivityManagerNative.getDefault(); 11576 if (am != null) { 11577 try { 11578 am.startService(null, intent, null, mContext.getOpPackageName(), 11579 UserHandle.USER_SYSTEM); 11580 } catch (RemoteException e) { 11581 } 11582 } 11583 } 11584 11585 @Override 11586 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11587 int installFlags, String installerPackageName, int userId) { 11588 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11589 11590 final int callingUid = Binder.getCallingUid(); 11591 enforceCrossUserPermission(callingUid, userId, 11592 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11593 11594 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11595 try { 11596 if (observer != null) { 11597 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11598 } 11599 } catch (RemoteException re) { 11600 } 11601 return; 11602 } 11603 11604 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11605 installFlags |= PackageManager.INSTALL_FROM_ADB; 11606 11607 } else { 11608 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11609 // about installerPackageName. 11610 11611 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11612 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11613 } 11614 11615 UserHandle user; 11616 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11617 user = UserHandle.ALL; 11618 } else { 11619 user = new UserHandle(userId); 11620 } 11621 11622 // Only system components can circumvent runtime permissions when installing. 11623 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11624 && mContext.checkCallingOrSelfPermission(Manifest.permission 11625 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11626 throw new SecurityException("You need the " 11627 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11628 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11629 } 11630 11631 final File originFile = new File(originPath); 11632 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11633 11634 final Message msg = mHandler.obtainMessage(INIT_COPY); 11635 final VerificationInfo verificationInfo = new VerificationInfo( 11636 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11637 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11638 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11639 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11640 null /*certificates*/); 11641 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11642 msg.obj = params; 11643 11644 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11645 System.identityHashCode(msg.obj)); 11646 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11647 System.identityHashCode(msg.obj)); 11648 11649 mHandler.sendMessage(msg); 11650 } 11651 11652 void installStage(String packageName, File stagedDir, String stagedCid, 11653 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11654 String installerPackageName, int installerUid, UserHandle user, 11655 Certificate[][] certificates) { 11656 if (DEBUG_EPHEMERAL) { 11657 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11658 Slog.d(TAG, "Ephemeral install of " + packageName); 11659 } 11660 } 11661 final VerificationInfo verificationInfo = new VerificationInfo( 11662 sessionParams.originatingUri, sessionParams.referrerUri, 11663 sessionParams.originatingUid, installerUid); 11664 11665 final OriginInfo origin; 11666 if (stagedDir != null) { 11667 origin = OriginInfo.fromStagedFile(stagedDir); 11668 } else { 11669 origin = OriginInfo.fromStagedContainer(stagedCid); 11670 } 11671 11672 final Message msg = mHandler.obtainMessage(INIT_COPY); 11673 final InstallParams params = new InstallParams(origin, null, observer, 11674 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11675 verificationInfo, user, sessionParams.abiOverride, 11676 sessionParams.grantedRuntimePermissions, certificates); 11677 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11678 msg.obj = params; 11679 11680 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11681 System.identityHashCode(msg.obj)); 11682 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11683 System.identityHashCode(msg.obj)); 11684 11685 mHandler.sendMessage(msg); 11686 } 11687 11688 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11689 int userId) { 11690 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11691 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11692 } 11693 11694 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11695 int appId, int userId) { 11696 Bundle extras = new Bundle(1); 11697 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11698 11699 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11700 packageName, extras, 0, null, null, new int[] {userId}); 11701 try { 11702 IActivityManager am = ActivityManagerNative.getDefault(); 11703 if (isSystem && am.isUserRunning(userId, 0)) { 11704 // The just-installed/enabled app is bundled on the system, so presumed 11705 // to be able to run automatically without needing an explicit launch. 11706 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11707 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11708 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11709 .setPackage(packageName); 11710 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11711 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11712 } 11713 } catch (RemoteException e) { 11714 // shouldn't happen 11715 Slog.w(TAG, "Unable to bootstrap installed package", e); 11716 } 11717 } 11718 11719 @Override 11720 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11721 int userId) { 11722 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11723 PackageSetting pkgSetting; 11724 final int uid = Binder.getCallingUid(); 11725 enforceCrossUserPermission(uid, userId, 11726 true /* requireFullPermission */, true /* checkShell */, 11727 "setApplicationHiddenSetting for user " + userId); 11728 11729 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11730 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11731 return false; 11732 } 11733 11734 long callingId = Binder.clearCallingIdentity(); 11735 try { 11736 boolean sendAdded = false; 11737 boolean sendRemoved = false; 11738 // writer 11739 synchronized (mPackages) { 11740 pkgSetting = mSettings.mPackages.get(packageName); 11741 if (pkgSetting == null) { 11742 return false; 11743 } 11744 // Do not allow "android" is being disabled 11745 if ("android".equals(packageName)) { 11746 Slog.w(TAG, "Cannot hide package: android"); 11747 return false; 11748 } 11749 // Only allow protected packages to hide themselves. 11750 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11751 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11752 Slog.w(TAG, "Not hiding protected package: " + packageName); 11753 return false; 11754 } 11755 11756 if (pkgSetting.getHidden(userId) != hidden) { 11757 pkgSetting.setHidden(hidden, userId); 11758 mSettings.writePackageRestrictionsLPr(userId); 11759 if (hidden) { 11760 sendRemoved = true; 11761 } else { 11762 sendAdded = true; 11763 } 11764 } 11765 } 11766 if (sendAdded) { 11767 sendPackageAddedForUser(packageName, pkgSetting, userId); 11768 return true; 11769 } 11770 if (sendRemoved) { 11771 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11772 "hiding pkg"); 11773 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11774 return true; 11775 } 11776 } finally { 11777 Binder.restoreCallingIdentity(callingId); 11778 } 11779 return false; 11780 } 11781 11782 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11783 int userId) { 11784 final PackageRemovedInfo info = new PackageRemovedInfo(); 11785 info.removedPackage = packageName; 11786 info.removedUsers = new int[] {userId}; 11787 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11788 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11789 } 11790 11791 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11792 if (pkgList.length > 0) { 11793 Bundle extras = new Bundle(1); 11794 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11795 11796 sendPackageBroadcast( 11797 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11798 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11799 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11800 new int[] {userId}); 11801 } 11802 } 11803 11804 /** 11805 * Returns true if application is not found or there was an error. Otherwise it returns 11806 * the hidden state of the package for the given user. 11807 */ 11808 @Override 11809 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11810 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11811 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11812 true /* requireFullPermission */, false /* checkShell */, 11813 "getApplicationHidden for user " + userId); 11814 PackageSetting pkgSetting; 11815 long callingId = Binder.clearCallingIdentity(); 11816 try { 11817 // writer 11818 synchronized (mPackages) { 11819 pkgSetting = mSettings.mPackages.get(packageName); 11820 if (pkgSetting == null) { 11821 return true; 11822 } 11823 return pkgSetting.getHidden(userId); 11824 } 11825 } finally { 11826 Binder.restoreCallingIdentity(callingId); 11827 } 11828 } 11829 11830 /** 11831 * @hide 11832 */ 11833 @Override 11834 public int installExistingPackageAsUser(String packageName, int userId) { 11835 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11836 null); 11837 PackageSetting pkgSetting; 11838 final int uid = Binder.getCallingUid(); 11839 enforceCrossUserPermission(uid, userId, 11840 true /* requireFullPermission */, true /* checkShell */, 11841 "installExistingPackage for user " + userId); 11842 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11843 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11844 } 11845 11846 long callingId = Binder.clearCallingIdentity(); 11847 try { 11848 boolean installed = false; 11849 11850 // writer 11851 synchronized (mPackages) { 11852 pkgSetting = mSettings.mPackages.get(packageName); 11853 if (pkgSetting == null) { 11854 return PackageManager.INSTALL_FAILED_INVALID_URI; 11855 } 11856 if (!pkgSetting.getInstalled(userId)) { 11857 pkgSetting.setInstalled(true, userId); 11858 pkgSetting.setHidden(false, userId); 11859 mSettings.writePackageRestrictionsLPr(userId); 11860 installed = true; 11861 } 11862 } 11863 11864 if (installed) { 11865 if (pkgSetting.pkg != null) { 11866 synchronized (mInstallLock) { 11867 // We don't need to freeze for a brand new install 11868 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11869 } 11870 } 11871 sendPackageAddedForUser(packageName, pkgSetting, userId); 11872 } 11873 } finally { 11874 Binder.restoreCallingIdentity(callingId); 11875 } 11876 11877 return PackageManager.INSTALL_SUCCEEDED; 11878 } 11879 11880 boolean isUserRestricted(int userId, String restrictionKey) { 11881 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11882 if (restrictions.getBoolean(restrictionKey, false)) { 11883 Log.w(TAG, "User is restricted: " + restrictionKey); 11884 return true; 11885 } 11886 return false; 11887 } 11888 11889 @Override 11890 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11891 int userId) { 11892 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11893 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11894 true /* requireFullPermission */, true /* checkShell */, 11895 "setPackagesSuspended for user " + userId); 11896 11897 if (ArrayUtils.isEmpty(packageNames)) { 11898 return packageNames; 11899 } 11900 11901 // List of package names for whom the suspended state has changed. 11902 List<String> changedPackages = new ArrayList<>(packageNames.length); 11903 // List of package names for whom the suspended state is not set as requested in this 11904 // method. 11905 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11906 long callingId = Binder.clearCallingIdentity(); 11907 try { 11908 for (int i = 0; i < packageNames.length; i++) { 11909 String packageName = packageNames[i]; 11910 boolean changed = false; 11911 final int appId; 11912 synchronized (mPackages) { 11913 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11914 if (pkgSetting == null) { 11915 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11916 + "\". Skipping suspending/un-suspending."); 11917 unactionedPackages.add(packageName); 11918 continue; 11919 } 11920 appId = pkgSetting.appId; 11921 if (pkgSetting.getSuspended(userId) != suspended) { 11922 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11923 unactionedPackages.add(packageName); 11924 continue; 11925 } 11926 pkgSetting.setSuspended(suspended, userId); 11927 mSettings.writePackageRestrictionsLPr(userId); 11928 changed = true; 11929 changedPackages.add(packageName); 11930 } 11931 } 11932 11933 if (changed && suspended) { 11934 killApplication(packageName, UserHandle.getUid(userId, appId), 11935 "suspending package"); 11936 } 11937 } 11938 } finally { 11939 Binder.restoreCallingIdentity(callingId); 11940 } 11941 11942 if (!changedPackages.isEmpty()) { 11943 sendPackagesSuspendedForUser(changedPackages.toArray( 11944 new String[changedPackages.size()]), userId, suspended); 11945 } 11946 11947 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11948 } 11949 11950 @Override 11951 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11952 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11953 true /* requireFullPermission */, false /* checkShell */, 11954 "isPackageSuspendedForUser for user " + userId); 11955 synchronized (mPackages) { 11956 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11957 if (pkgSetting == null) { 11958 throw new IllegalArgumentException("Unknown target package: " + packageName); 11959 } 11960 return pkgSetting.getSuspended(userId); 11961 } 11962 } 11963 11964 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11965 if (isPackageDeviceAdmin(packageName, userId)) { 11966 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11967 + "\": has an active device admin"); 11968 return false; 11969 } 11970 11971 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11972 if (packageName.equals(activeLauncherPackageName)) { 11973 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11974 + "\": contains the active launcher"); 11975 return false; 11976 } 11977 11978 if (packageName.equals(mRequiredInstallerPackage)) { 11979 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11980 + "\": required for package installation"); 11981 return false; 11982 } 11983 11984 if (packageName.equals(mRequiredUninstallerPackage)) { 11985 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11986 + "\": required for package uninstallation"); 11987 return false; 11988 } 11989 11990 if (packageName.equals(mRequiredVerifierPackage)) { 11991 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11992 + "\": required for package verification"); 11993 return false; 11994 } 11995 11996 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11997 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11998 + "\": is the default dialer"); 11999 return false; 12000 } 12001 12002 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12003 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12004 + "\": protected package"); 12005 return false; 12006 } 12007 12008 return true; 12009 } 12010 12011 private String getActiveLauncherPackageName(int userId) { 12012 Intent intent = new Intent(Intent.ACTION_MAIN); 12013 intent.addCategory(Intent.CATEGORY_HOME); 12014 ResolveInfo resolveInfo = resolveIntent( 12015 intent, 12016 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 12017 PackageManager.MATCH_DEFAULT_ONLY, 12018 userId); 12019 12020 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 12021 } 12022 12023 private String getDefaultDialerPackageName(int userId) { 12024 synchronized (mPackages) { 12025 return mSettings.getDefaultDialerPackageNameLPw(userId); 12026 } 12027 } 12028 12029 @Override 12030 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 12031 mContext.enforceCallingOrSelfPermission( 12032 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12033 "Only package verification agents can verify applications"); 12034 12035 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12036 final PackageVerificationResponse response = new PackageVerificationResponse( 12037 verificationCode, Binder.getCallingUid()); 12038 msg.arg1 = id; 12039 msg.obj = response; 12040 mHandler.sendMessage(msg); 12041 } 12042 12043 @Override 12044 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 12045 long millisecondsToDelay) { 12046 mContext.enforceCallingOrSelfPermission( 12047 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12048 "Only package verification agents can extend verification timeouts"); 12049 12050 final PackageVerificationState state = mPendingVerification.get(id); 12051 final PackageVerificationResponse response = new PackageVerificationResponse( 12052 verificationCodeAtTimeout, Binder.getCallingUid()); 12053 12054 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12055 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12056 } 12057 if (millisecondsToDelay < 0) { 12058 millisecondsToDelay = 0; 12059 } 12060 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12061 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12062 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12063 } 12064 12065 if ((state != null) && !state.timeoutExtended()) { 12066 state.extendTimeout(); 12067 12068 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12069 msg.arg1 = id; 12070 msg.obj = response; 12071 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12072 } 12073 } 12074 12075 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12076 int verificationCode, UserHandle user) { 12077 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12078 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12079 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12080 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12081 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12082 12083 mContext.sendBroadcastAsUser(intent, user, 12084 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12085 } 12086 12087 private ComponentName matchComponentForVerifier(String packageName, 12088 List<ResolveInfo> receivers) { 12089 ActivityInfo targetReceiver = null; 12090 12091 final int NR = receivers.size(); 12092 for (int i = 0; i < NR; i++) { 12093 final ResolveInfo info = receivers.get(i); 12094 if (info.activityInfo == null) { 12095 continue; 12096 } 12097 12098 if (packageName.equals(info.activityInfo.packageName)) { 12099 targetReceiver = info.activityInfo; 12100 break; 12101 } 12102 } 12103 12104 if (targetReceiver == null) { 12105 return null; 12106 } 12107 12108 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12109 } 12110 12111 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12112 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12113 if (pkgInfo.verifiers.length == 0) { 12114 return null; 12115 } 12116 12117 final int N = pkgInfo.verifiers.length; 12118 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12119 for (int i = 0; i < N; i++) { 12120 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12121 12122 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12123 receivers); 12124 if (comp == null) { 12125 continue; 12126 } 12127 12128 final int verifierUid = getUidForVerifier(verifierInfo); 12129 if (verifierUid == -1) { 12130 continue; 12131 } 12132 12133 if (DEBUG_VERIFY) { 12134 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12135 + " with the correct signature"); 12136 } 12137 sufficientVerifiers.add(comp); 12138 verificationState.addSufficientVerifier(verifierUid); 12139 } 12140 12141 return sufficientVerifiers; 12142 } 12143 12144 private int getUidForVerifier(VerifierInfo verifierInfo) { 12145 synchronized (mPackages) { 12146 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12147 if (pkg == null) { 12148 return -1; 12149 } else if (pkg.mSignatures.length != 1) { 12150 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12151 + " has more than one signature; ignoring"); 12152 return -1; 12153 } 12154 12155 /* 12156 * If the public key of the package's signature does not match 12157 * our expected public key, then this is a different package and 12158 * we should skip. 12159 */ 12160 12161 final byte[] expectedPublicKey; 12162 try { 12163 final Signature verifierSig = pkg.mSignatures[0]; 12164 final PublicKey publicKey = verifierSig.getPublicKey(); 12165 expectedPublicKey = publicKey.getEncoded(); 12166 } catch (CertificateException e) { 12167 return -1; 12168 } 12169 12170 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12171 12172 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12173 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12174 + " does not have the expected public key; ignoring"); 12175 return -1; 12176 } 12177 12178 return pkg.applicationInfo.uid; 12179 } 12180 } 12181 12182 @Override 12183 public void finishPackageInstall(int token, boolean didLaunch) { 12184 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12185 12186 if (DEBUG_INSTALL) { 12187 Slog.v(TAG, "BM finishing package install for " + token); 12188 } 12189 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12190 12191 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12192 mHandler.sendMessage(msg); 12193 } 12194 12195 /** 12196 * Get the verification agent timeout. 12197 * 12198 * @return verification timeout in milliseconds 12199 */ 12200 private long getVerificationTimeout() { 12201 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12202 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12203 DEFAULT_VERIFICATION_TIMEOUT); 12204 } 12205 12206 /** 12207 * Get the default verification agent response code. 12208 * 12209 * @return default verification response code 12210 */ 12211 private int getDefaultVerificationResponse() { 12212 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12213 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12214 DEFAULT_VERIFICATION_RESPONSE); 12215 } 12216 12217 /** 12218 * Check whether or not package verification has been enabled. 12219 * 12220 * @return true if verification should be performed 12221 */ 12222 private boolean isVerificationEnabled(int userId, int installFlags) { 12223 if (!DEFAULT_VERIFY_ENABLE) { 12224 return false; 12225 } 12226 // Ephemeral apps don't get the full verification treatment 12227 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12228 if (DEBUG_EPHEMERAL) { 12229 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12230 } 12231 return false; 12232 } 12233 12234 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12235 12236 // Check if installing from ADB 12237 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12238 // Do not run verification in a test harness environment 12239 if (ActivityManager.isRunningInTestHarness()) { 12240 return false; 12241 } 12242 if (ensureVerifyAppsEnabled) { 12243 return true; 12244 } 12245 // Check if the developer does not want package verification for ADB installs 12246 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12247 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12248 return false; 12249 } 12250 } 12251 12252 if (ensureVerifyAppsEnabled) { 12253 return true; 12254 } 12255 12256 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12257 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12258 } 12259 12260 @Override 12261 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12262 throws RemoteException { 12263 mContext.enforceCallingOrSelfPermission( 12264 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12265 "Only intentfilter verification agents can verify applications"); 12266 12267 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12268 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12269 Binder.getCallingUid(), verificationCode, failedDomains); 12270 msg.arg1 = id; 12271 msg.obj = response; 12272 mHandler.sendMessage(msg); 12273 } 12274 12275 @Override 12276 public int getIntentVerificationStatus(String packageName, int userId) { 12277 synchronized (mPackages) { 12278 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12279 } 12280 } 12281 12282 @Override 12283 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12284 mContext.enforceCallingOrSelfPermission( 12285 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12286 12287 boolean result = false; 12288 synchronized (mPackages) { 12289 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12290 } 12291 if (result) { 12292 scheduleWritePackageRestrictionsLocked(userId); 12293 } 12294 return result; 12295 } 12296 12297 @Override 12298 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12299 String packageName) { 12300 synchronized (mPackages) { 12301 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12302 } 12303 } 12304 12305 @Override 12306 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12307 if (TextUtils.isEmpty(packageName)) { 12308 return ParceledListSlice.emptyList(); 12309 } 12310 synchronized (mPackages) { 12311 PackageParser.Package pkg = mPackages.get(packageName); 12312 if (pkg == null || pkg.activities == null) { 12313 return ParceledListSlice.emptyList(); 12314 } 12315 final int count = pkg.activities.size(); 12316 ArrayList<IntentFilter> result = new ArrayList<>(); 12317 for (int n=0; n<count; n++) { 12318 PackageParser.Activity activity = pkg.activities.get(n); 12319 if (activity.intents != null && activity.intents.size() > 0) { 12320 result.addAll(activity.intents); 12321 } 12322 } 12323 return new ParceledListSlice<>(result); 12324 } 12325 } 12326 12327 @Override 12328 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12329 mContext.enforceCallingOrSelfPermission( 12330 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12331 12332 synchronized (mPackages) { 12333 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12334 if (packageName != null) { 12335 result |= updateIntentVerificationStatus(packageName, 12336 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12337 userId); 12338 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12339 packageName, userId); 12340 } 12341 return result; 12342 } 12343 } 12344 12345 @Override 12346 public String getDefaultBrowserPackageName(int userId) { 12347 synchronized (mPackages) { 12348 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12349 } 12350 } 12351 12352 /** 12353 * Get the "allow unknown sources" setting. 12354 * 12355 * @return the current "allow unknown sources" setting 12356 */ 12357 private int getUnknownSourcesSettings() { 12358 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12359 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12360 -1); 12361 } 12362 12363 @Override 12364 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12365 final int uid = Binder.getCallingUid(); 12366 // writer 12367 synchronized (mPackages) { 12368 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12369 if (targetPackageSetting == null) { 12370 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12371 } 12372 12373 PackageSetting installerPackageSetting; 12374 if (installerPackageName != null) { 12375 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12376 if (installerPackageSetting == null) { 12377 throw new IllegalArgumentException("Unknown installer package: " 12378 + installerPackageName); 12379 } 12380 } else { 12381 installerPackageSetting = null; 12382 } 12383 12384 Signature[] callerSignature; 12385 Object obj = mSettings.getUserIdLPr(uid); 12386 if (obj != null) { 12387 if (obj instanceof SharedUserSetting) { 12388 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12389 } else if (obj instanceof PackageSetting) { 12390 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12391 } else { 12392 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12393 } 12394 } else { 12395 throw new SecurityException("Unknown calling UID: " + uid); 12396 } 12397 12398 // Verify: can't set installerPackageName to a package that is 12399 // not signed with the same cert as the caller. 12400 if (installerPackageSetting != null) { 12401 if (compareSignatures(callerSignature, 12402 installerPackageSetting.signatures.mSignatures) 12403 != PackageManager.SIGNATURE_MATCH) { 12404 throw new SecurityException( 12405 "Caller does not have same cert as new installer package " 12406 + installerPackageName); 12407 } 12408 } 12409 12410 // Verify: if target already has an installer package, it must 12411 // be signed with the same cert as the caller. 12412 if (targetPackageSetting.installerPackageName != null) { 12413 PackageSetting setting = mSettings.mPackages.get( 12414 targetPackageSetting.installerPackageName); 12415 // If the currently set package isn't valid, then it's always 12416 // okay to change it. 12417 if (setting != null) { 12418 if (compareSignatures(callerSignature, 12419 setting.signatures.mSignatures) 12420 != PackageManager.SIGNATURE_MATCH) { 12421 throw new SecurityException( 12422 "Caller does not have same cert as old installer package " 12423 + targetPackageSetting.installerPackageName); 12424 } 12425 } 12426 } 12427 12428 // Okay! 12429 targetPackageSetting.installerPackageName = installerPackageName; 12430 if (installerPackageName != null) { 12431 mSettings.mInstallerPackages.add(installerPackageName); 12432 } 12433 scheduleWriteSettingsLocked(); 12434 } 12435 } 12436 12437 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12438 // Queue up an async operation since the package installation may take a little while. 12439 mHandler.post(new Runnable() { 12440 public void run() { 12441 mHandler.removeCallbacks(this); 12442 // Result object to be returned 12443 PackageInstalledInfo res = new PackageInstalledInfo(); 12444 res.setReturnCode(currentStatus); 12445 res.uid = -1; 12446 res.pkg = null; 12447 res.removedInfo = null; 12448 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12449 args.doPreInstall(res.returnCode); 12450 synchronized (mInstallLock) { 12451 installPackageTracedLI(args, res); 12452 } 12453 args.doPostInstall(res.returnCode, res.uid); 12454 } 12455 12456 // A restore should be performed at this point if (a) the install 12457 // succeeded, (b) the operation is not an update, and (c) the new 12458 // package has not opted out of backup participation. 12459 final boolean update = res.removedInfo != null 12460 && res.removedInfo.removedPackage != null; 12461 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12462 boolean doRestore = !update 12463 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12464 12465 // Set up the post-install work request bookkeeping. This will be used 12466 // and cleaned up by the post-install event handling regardless of whether 12467 // there's a restore pass performed. Token values are >= 1. 12468 int token; 12469 if (mNextInstallToken < 0) mNextInstallToken = 1; 12470 token = mNextInstallToken++; 12471 12472 PostInstallData data = new PostInstallData(args, res); 12473 mRunningInstalls.put(token, data); 12474 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12475 12476 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12477 // Pass responsibility to the Backup Manager. It will perform a 12478 // restore if appropriate, then pass responsibility back to the 12479 // Package Manager to run the post-install observer callbacks 12480 // and broadcasts. 12481 IBackupManager bm = IBackupManager.Stub.asInterface( 12482 ServiceManager.getService(Context.BACKUP_SERVICE)); 12483 if (bm != null) { 12484 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12485 + " to BM for possible restore"); 12486 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12487 try { 12488 // TODO: http://b/22388012 12489 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12490 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12491 } else { 12492 doRestore = false; 12493 } 12494 } catch (RemoteException e) { 12495 // can't happen; the backup manager is local 12496 } catch (Exception e) { 12497 Slog.e(TAG, "Exception trying to enqueue restore", e); 12498 doRestore = false; 12499 } 12500 } else { 12501 Slog.e(TAG, "Backup Manager not found!"); 12502 doRestore = false; 12503 } 12504 } 12505 12506 if (!doRestore) { 12507 // No restore possible, or the Backup Manager was mysteriously not 12508 // available -- just fire the post-install work request directly. 12509 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12510 12511 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12512 12513 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12514 mHandler.sendMessage(msg); 12515 } 12516 } 12517 }); 12518 } 12519 12520 /** 12521 * Callback from PackageSettings whenever an app is first transitioned out of the 12522 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12523 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12524 * here whether the app is the target of an ongoing install, and only send the 12525 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12526 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12527 * handling. 12528 */ 12529 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12530 // Serialize this with the rest of the install-process message chain. In the 12531 // restore-at-install case, this Runnable will necessarily run before the 12532 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12533 // are coherent. In the non-restore case, the app has already completed install 12534 // and been launched through some other means, so it is not in a problematic 12535 // state for observers to see the FIRST_LAUNCH signal. 12536 mHandler.post(new Runnable() { 12537 @Override 12538 public void run() { 12539 for (int i = 0; i < mRunningInstalls.size(); i++) { 12540 final PostInstallData data = mRunningInstalls.valueAt(i); 12541 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12542 continue; 12543 } 12544 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12545 // right package; but is it for the right user? 12546 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12547 if (userId == data.res.newUsers[uIndex]) { 12548 if (DEBUG_BACKUP) { 12549 Slog.i(TAG, "Package " + pkgName 12550 + " being restored so deferring FIRST_LAUNCH"); 12551 } 12552 return; 12553 } 12554 } 12555 } 12556 } 12557 // didn't find it, so not being restored 12558 if (DEBUG_BACKUP) { 12559 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12560 } 12561 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12562 } 12563 }); 12564 } 12565 12566 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12567 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12568 installerPkg, null, userIds); 12569 } 12570 12571 private abstract class HandlerParams { 12572 private static final int MAX_RETRIES = 4; 12573 12574 /** 12575 * Number of times startCopy() has been attempted and had a non-fatal 12576 * error. 12577 */ 12578 private int mRetries = 0; 12579 12580 /** User handle for the user requesting the information or installation. */ 12581 private final UserHandle mUser; 12582 String traceMethod; 12583 int traceCookie; 12584 12585 HandlerParams(UserHandle user) { 12586 mUser = user; 12587 } 12588 12589 UserHandle getUser() { 12590 return mUser; 12591 } 12592 12593 HandlerParams setTraceMethod(String traceMethod) { 12594 this.traceMethod = traceMethod; 12595 return this; 12596 } 12597 12598 HandlerParams setTraceCookie(int traceCookie) { 12599 this.traceCookie = traceCookie; 12600 return this; 12601 } 12602 12603 final boolean startCopy() { 12604 boolean res; 12605 try { 12606 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12607 12608 if (++mRetries > MAX_RETRIES) { 12609 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12610 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12611 handleServiceError(); 12612 return false; 12613 } else { 12614 handleStartCopy(); 12615 res = true; 12616 } 12617 } catch (RemoteException e) { 12618 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12619 mHandler.sendEmptyMessage(MCS_RECONNECT); 12620 res = false; 12621 } 12622 handleReturnCode(); 12623 return res; 12624 } 12625 12626 final void serviceError() { 12627 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12628 handleServiceError(); 12629 handleReturnCode(); 12630 } 12631 12632 abstract void handleStartCopy() throws RemoteException; 12633 abstract void handleServiceError(); 12634 abstract void handleReturnCode(); 12635 } 12636 12637 class MeasureParams extends HandlerParams { 12638 private final PackageStats mStats; 12639 private boolean mSuccess; 12640 12641 private final IPackageStatsObserver mObserver; 12642 12643 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12644 super(new UserHandle(stats.userHandle)); 12645 mObserver = observer; 12646 mStats = stats; 12647 } 12648 12649 @Override 12650 public String toString() { 12651 return "MeasureParams{" 12652 + Integer.toHexString(System.identityHashCode(this)) 12653 + " " + mStats.packageName + "}"; 12654 } 12655 12656 @Override 12657 void handleStartCopy() throws RemoteException { 12658 synchronized (mInstallLock) { 12659 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12660 } 12661 12662 if (mSuccess) { 12663 boolean mounted = false; 12664 try { 12665 final String status = Environment.getExternalStorageState(); 12666 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12667 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12668 } catch (Exception e) { 12669 } 12670 12671 if (mounted) { 12672 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12673 12674 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12675 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12676 12677 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12678 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12679 12680 // Always subtract cache size, since it's a subdirectory 12681 mStats.externalDataSize -= mStats.externalCacheSize; 12682 12683 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12684 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12685 12686 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12687 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12688 } 12689 } 12690 } 12691 12692 @Override 12693 void handleReturnCode() { 12694 if (mObserver != null) { 12695 try { 12696 mObserver.onGetStatsCompleted(mStats, mSuccess); 12697 } catch (RemoteException e) { 12698 Slog.i(TAG, "Observer no longer exists."); 12699 } 12700 } 12701 } 12702 12703 @Override 12704 void handleServiceError() { 12705 Slog.e(TAG, "Could not measure application " + mStats.packageName 12706 + " external storage"); 12707 } 12708 } 12709 12710 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12711 throws RemoteException { 12712 long result = 0; 12713 for (File path : paths) { 12714 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12715 } 12716 return result; 12717 } 12718 12719 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12720 for (File path : paths) { 12721 try { 12722 mcs.clearDirectory(path.getAbsolutePath()); 12723 } catch (RemoteException e) { 12724 } 12725 } 12726 } 12727 12728 static class OriginInfo { 12729 /** 12730 * Location where install is coming from, before it has been 12731 * copied/renamed into place. This could be a single monolithic APK 12732 * file, or a cluster directory. This location may be untrusted. 12733 */ 12734 final File file; 12735 final String cid; 12736 12737 /** 12738 * Flag indicating that {@link #file} or {@link #cid} has already been 12739 * staged, meaning downstream users don't need to defensively copy the 12740 * contents. 12741 */ 12742 final boolean staged; 12743 12744 /** 12745 * Flag indicating that {@link #file} or {@link #cid} is an already 12746 * installed app that is being moved. 12747 */ 12748 final boolean existing; 12749 12750 final String resolvedPath; 12751 final File resolvedFile; 12752 12753 static OriginInfo fromNothing() { 12754 return new OriginInfo(null, null, false, false); 12755 } 12756 12757 static OriginInfo fromUntrustedFile(File file) { 12758 return new OriginInfo(file, null, false, false); 12759 } 12760 12761 static OriginInfo fromExistingFile(File file) { 12762 return new OriginInfo(file, null, false, true); 12763 } 12764 12765 static OriginInfo fromStagedFile(File file) { 12766 return new OriginInfo(file, null, true, false); 12767 } 12768 12769 static OriginInfo fromStagedContainer(String cid) { 12770 return new OriginInfo(null, cid, true, false); 12771 } 12772 12773 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12774 this.file = file; 12775 this.cid = cid; 12776 this.staged = staged; 12777 this.existing = existing; 12778 12779 if (cid != null) { 12780 resolvedPath = PackageHelper.getSdDir(cid); 12781 resolvedFile = new File(resolvedPath); 12782 } else if (file != null) { 12783 resolvedPath = file.getAbsolutePath(); 12784 resolvedFile = file; 12785 } else { 12786 resolvedPath = null; 12787 resolvedFile = null; 12788 } 12789 } 12790 } 12791 12792 static class MoveInfo { 12793 final int moveId; 12794 final String fromUuid; 12795 final String toUuid; 12796 final String packageName; 12797 final String dataAppName; 12798 final int appId; 12799 final String seinfo; 12800 final int targetSdkVersion; 12801 12802 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12803 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12804 this.moveId = moveId; 12805 this.fromUuid = fromUuid; 12806 this.toUuid = toUuid; 12807 this.packageName = packageName; 12808 this.dataAppName = dataAppName; 12809 this.appId = appId; 12810 this.seinfo = seinfo; 12811 this.targetSdkVersion = targetSdkVersion; 12812 } 12813 } 12814 12815 static class VerificationInfo { 12816 /** A constant used to indicate that a uid value is not present. */ 12817 public static final int NO_UID = -1; 12818 12819 /** URI referencing where the package was downloaded from. */ 12820 final Uri originatingUri; 12821 12822 /** HTTP referrer URI associated with the originatingURI. */ 12823 final Uri referrer; 12824 12825 /** UID of the application that the install request originated from. */ 12826 final int originatingUid; 12827 12828 /** UID of application requesting the install */ 12829 final int installerUid; 12830 12831 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12832 this.originatingUri = originatingUri; 12833 this.referrer = referrer; 12834 this.originatingUid = originatingUid; 12835 this.installerUid = installerUid; 12836 } 12837 } 12838 12839 class InstallParams extends HandlerParams { 12840 final OriginInfo origin; 12841 final MoveInfo move; 12842 final IPackageInstallObserver2 observer; 12843 int installFlags; 12844 final String installerPackageName; 12845 final String volumeUuid; 12846 private InstallArgs mArgs; 12847 private int mRet; 12848 final String packageAbiOverride; 12849 final String[] grantedRuntimePermissions; 12850 final VerificationInfo verificationInfo; 12851 final Certificate[][] certificates; 12852 12853 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12854 int installFlags, String installerPackageName, String volumeUuid, 12855 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12856 String[] grantedPermissions, Certificate[][] certificates) { 12857 super(user); 12858 this.origin = origin; 12859 this.move = move; 12860 this.observer = observer; 12861 this.installFlags = installFlags; 12862 this.installerPackageName = installerPackageName; 12863 this.volumeUuid = volumeUuid; 12864 this.verificationInfo = verificationInfo; 12865 this.packageAbiOverride = packageAbiOverride; 12866 this.grantedRuntimePermissions = grantedPermissions; 12867 this.certificates = certificates; 12868 } 12869 12870 @Override 12871 public String toString() { 12872 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12873 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12874 } 12875 12876 private int installLocationPolicy(PackageInfoLite pkgLite) { 12877 String packageName = pkgLite.packageName; 12878 int installLocation = pkgLite.installLocation; 12879 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12880 // reader 12881 synchronized (mPackages) { 12882 // Currently installed package which the new package is attempting to replace or 12883 // null if no such package is installed. 12884 PackageParser.Package installedPkg = mPackages.get(packageName); 12885 // Package which currently owns the data which the new package will own if installed. 12886 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12887 // will be null whereas dataOwnerPkg will contain information about the package 12888 // which was uninstalled while keeping its data. 12889 PackageParser.Package dataOwnerPkg = installedPkg; 12890 if (dataOwnerPkg == null) { 12891 PackageSetting ps = mSettings.mPackages.get(packageName); 12892 if (ps != null) { 12893 dataOwnerPkg = ps.pkg; 12894 } 12895 } 12896 12897 if (dataOwnerPkg != null) { 12898 // If installed, the package will get access to data left on the device by its 12899 // predecessor. As a security measure, this is permited only if this is not a 12900 // version downgrade or if the predecessor package is marked as debuggable and 12901 // a downgrade is explicitly requested. 12902 // 12903 // On debuggable platform builds, downgrades are permitted even for 12904 // non-debuggable packages to make testing easier. Debuggable platform builds do 12905 // not offer security guarantees and thus it's OK to disable some security 12906 // mechanisms to make debugging/testing easier on those builds. However, even on 12907 // debuggable builds downgrades of packages are permitted only if requested via 12908 // installFlags. This is because we aim to keep the behavior of debuggable 12909 // platform builds as close as possible to the behavior of non-debuggable 12910 // platform builds. 12911 final boolean downgradeRequested = 12912 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12913 final boolean packageDebuggable = 12914 (dataOwnerPkg.applicationInfo.flags 12915 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12916 final boolean downgradePermitted = 12917 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12918 if (!downgradePermitted) { 12919 try { 12920 checkDowngrade(dataOwnerPkg, pkgLite); 12921 } catch (PackageManagerException e) { 12922 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12923 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12924 } 12925 } 12926 } 12927 12928 if (installedPkg != null) { 12929 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12930 // Check for updated system application. 12931 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12932 if (onSd) { 12933 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12934 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12935 } 12936 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12937 } else { 12938 if (onSd) { 12939 // Install flag overrides everything. 12940 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12941 } 12942 // If current upgrade specifies particular preference 12943 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12944 // Application explicitly specified internal. 12945 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12946 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12947 // App explictly prefers external. Let policy decide 12948 } else { 12949 // Prefer previous location 12950 if (isExternal(installedPkg)) { 12951 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12952 } 12953 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12954 } 12955 } 12956 } else { 12957 // Invalid install. Return error code 12958 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12959 } 12960 } 12961 } 12962 // All the special cases have been taken care of. 12963 // Return result based on recommended install location. 12964 if (onSd) { 12965 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12966 } 12967 return pkgLite.recommendedInstallLocation; 12968 } 12969 12970 /* 12971 * Invoke remote method to get package information and install 12972 * location values. Override install location based on default 12973 * policy if needed and then create install arguments based 12974 * on the install location. 12975 */ 12976 public void handleStartCopy() throws RemoteException { 12977 int ret = PackageManager.INSTALL_SUCCEEDED; 12978 12979 // If we're already staged, we've firmly committed to an install location 12980 if (origin.staged) { 12981 if (origin.file != null) { 12982 installFlags |= PackageManager.INSTALL_INTERNAL; 12983 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12984 } else if (origin.cid != null) { 12985 installFlags |= PackageManager.INSTALL_EXTERNAL; 12986 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12987 } else { 12988 throw new IllegalStateException("Invalid stage location"); 12989 } 12990 } 12991 12992 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12993 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12994 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12995 PackageInfoLite pkgLite = null; 12996 12997 if (onInt && onSd) { 12998 // Check if both bits are set. 12999 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 13000 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13001 } else if (onSd && ephemeral) { 13002 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 13003 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13004 } else { 13005 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 13006 packageAbiOverride); 13007 13008 if (DEBUG_EPHEMERAL && ephemeral) { 13009 Slog.v(TAG, "pkgLite for install: " + pkgLite); 13010 } 13011 13012 /* 13013 * If we have too little free space, try to free cache 13014 * before giving up. 13015 */ 13016 if (!origin.staged && pkgLite.recommendedInstallLocation 13017 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13018 // TODO: focus freeing disk space on the target device 13019 final StorageManager storage = StorageManager.from(mContext); 13020 final long lowThreshold = storage.getStorageLowBytes( 13021 Environment.getDataDirectory()); 13022 13023 final long sizeBytes = mContainerService.calculateInstalledSize( 13024 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 13025 13026 try { 13027 mInstaller.freeCache(null, sizeBytes + lowThreshold); 13028 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 13029 installFlags, packageAbiOverride); 13030 } catch (InstallerException e) { 13031 Slog.w(TAG, "Failed to free cache", e); 13032 } 13033 13034 /* 13035 * The cache free must have deleted the file we 13036 * downloaded to install. 13037 * 13038 * TODO: fix the "freeCache" call to not delete 13039 * the file we care about. 13040 */ 13041 if (pkgLite.recommendedInstallLocation 13042 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13043 pkgLite.recommendedInstallLocation 13044 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 13045 } 13046 } 13047 } 13048 13049 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13050 int loc = pkgLite.recommendedInstallLocation; 13051 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 13052 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13053 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 13054 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13055 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13056 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13057 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13058 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13059 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13060 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13061 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13062 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13063 } else { 13064 // Override with defaults if needed. 13065 loc = installLocationPolicy(pkgLite); 13066 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13067 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13068 } else if (!onSd && !onInt) { 13069 // Override install location with flags 13070 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13071 // Set the flag to install on external media. 13072 installFlags |= PackageManager.INSTALL_EXTERNAL; 13073 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13074 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13075 if (DEBUG_EPHEMERAL) { 13076 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13077 } 13078 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13079 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13080 |PackageManager.INSTALL_INTERNAL); 13081 } else { 13082 // Make sure the flag for installing on external 13083 // media is unset 13084 installFlags |= PackageManager.INSTALL_INTERNAL; 13085 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13086 } 13087 } 13088 } 13089 } 13090 13091 final InstallArgs args = createInstallArgs(this); 13092 mArgs = args; 13093 13094 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13095 // TODO: http://b/22976637 13096 // Apps installed for "all" users use the device owner to verify the app 13097 UserHandle verifierUser = getUser(); 13098 if (verifierUser == UserHandle.ALL) { 13099 verifierUser = UserHandle.SYSTEM; 13100 } 13101 13102 /* 13103 * Determine if we have any installed package verifiers. If we 13104 * do, then we'll defer to them to verify the packages. 13105 */ 13106 final int requiredUid = mRequiredVerifierPackage == null ? -1 13107 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13108 verifierUser.getIdentifier()); 13109 if (!origin.existing && requiredUid != -1 13110 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13111 final Intent verification = new Intent( 13112 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13113 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13114 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13115 PACKAGE_MIME_TYPE); 13116 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13117 13118 // Query all live verifiers based on current user state 13119 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13120 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13121 13122 if (DEBUG_VERIFY) { 13123 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13124 + verification.toString() + " with " + pkgLite.verifiers.length 13125 + " optional verifiers"); 13126 } 13127 13128 final int verificationId = mPendingVerificationToken++; 13129 13130 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13131 13132 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13133 installerPackageName); 13134 13135 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13136 installFlags); 13137 13138 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13139 pkgLite.packageName); 13140 13141 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13142 pkgLite.versionCode); 13143 13144 if (verificationInfo != null) { 13145 if (verificationInfo.originatingUri != null) { 13146 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13147 verificationInfo.originatingUri); 13148 } 13149 if (verificationInfo.referrer != null) { 13150 verification.putExtra(Intent.EXTRA_REFERRER, 13151 verificationInfo.referrer); 13152 } 13153 if (verificationInfo.originatingUid >= 0) { 13154 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13155 verificationInfo.originatingUid); 13156 } 13157 if (verificationInfo.installerUid >= 0) { 13158 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13159 verificationInfo.installerUid); 13160 } 13161 } 13162 13163 final PackageVerificationState verificationState = new PackageVerificationState( 13164 requiredUid, args); 13165 13166 mPendingVerification.append(verificationId, verificationState); 13167 13168 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13169 receivers, verificationState); 13170 13171 /* 13172 * If any sufficient verifiers were listed in the package 13173 * manifest, attempt to ask them. 13174 */ 13175 if (sufficientVerifiers != null) { 13176 final int N = sufficientVerifiers.size(); 13177 if (N == 0) { 13178 Slog.i(TAG, "Additional verifiers required, but none installed."); 13179 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13180 } else { 13181 for (int i = 0; i < N; i++) { 13182 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13183 13184 final Intent sufficientIntent = new Intent(verification); 13185 sufficientIntent.setComponent(verifierComponent); 13186 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13187 } 13188 } 13189 } 13190 13191 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13192 mRequiredVerifierPackage, receivers); 13193 if (ret == PackageManager.INSTALL_SUCCEEDED 13194 && mRequiredVerifierPackage != null) { 13195 Trace.asyncTraceBegin( 13196 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13197 /* 13198 * Send the intent to the required verification agent, 13199 * but only start the verification timeout after the 13200 * target BroadcastReceivers have run. 13201 */ 13202 verification.setComponent(requiredVerifierComponent); 13203 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13204 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13205 new BroadcastReceiver() { 13206 @Override 13207 public void onReceive(Context context, Intent intent) { 13208 final Message msg = mHandler 13209 .obtainMessage(CHECK_PENDING_VERIFICATION); 13210 msg.arg1 = verificationId; 13211 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13212 } 13213 }, null, 0, null, null); 13214 13215 /* 13216 * We don't want the copy to proceed until verification 13217 * succeeds, so null out this field. 13218 */ 13219 mArgs = null; 13220 } 13221 } else { 13222 /* 13223 * No package verification is enabled, so immediately start 13224 * the remote call to initiate copy using temporary file. 13225 */ 13226 ret = args.copyApk(mContainerService, true); 13227 } 13228 } 13229 13230 mRet = ret; 13231 } 13232 13233 @Override 13234 void handleReturnCode() { 13235 // If mArgs is null, then MCS couldn't be reached. When it 13236 // reconnects, it will try again to install. At that point, this 13237 // will succeed. 13238 if (mArgs != null) { 13239 processPendingInstall(mArgs, mRet); 13240 } 13241 } 13242 13243 @Override 13244 void handleServiceError() { 13245 mArgs = createInstallArgs(this); 13246 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13247 } 13248 13249 public boolean isForwardLocked() { 13250 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13251 } 13252 } 13253 13254 /** 13255 * Used during creation of InstallArgs 13256 * 13257 * @param installFlags package installation flags 13258 * @return true if should be installed on external storage 13259 */ 13260 private static boolean installOnExternalAsec(int installFlags) { 13261 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13262 return false; 13263 } 13264 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13265 return true; 13266 } 13267 return false; 13268 } 13269 13270 /** 13271 * Used during creation of InstallArgs 13272 * 13273 * @param installFlags package installation flags 13274 * @return true if should be installed as forward locked 13275 */ 13276 private static boolean installForwardLocked(int installFlags) { 13277 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13278 } 13279 13280 private InstallArgs createInstallArgs(InstallParams params) { 13281 if (params.move != null) { 13282 return new MoveInstallArgs(params); 13283 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13284 return new AsecInstallArgs(params); 13285 } else { 13286 return new FileInstallArgs(params); 13287 } 13288 } 13289 13290 /** 13291 * Create args that describe an existing installed package. Typically used 13292 * when cleaning up old installs, or used as a move source. 13293 */ 13294 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13295 String resourcePath, String[] instructionSets) { 13296 final boolean isInAsec; 13297 if (installOnExternalAsec(installFlags)) { 13298 /* Apps on SD card are always in ASEC containers. */ 13299 isInAsec = true; 13300 } else if (installForwardLocked(installFlags) 13301 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13302 /* 13303 * Forward-locked apps are only in ASEC containers if they're the 13304 * new style 13305 */ 13306 isInAsec = true; 13307 } else { 13308 isInAsec = false; 13309 } 13310 13311 if (isInAsec) { 13312 return new AsecInstallArgs(codePath, instructionSets, 13313 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13314 } else { 13315 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13316 } 13317 } 13318 13319 static abstract class InstallArgs { 13320 /** @see InstallParams#origin */ 13321 final OriginInfo origin; 13322 /** @see InstallParams#move */ 13323 final MoveInfo move; 13324 13325 final IPackageInstallObserver2 observer; 13326 // Always refers to PackageManager flags only 13327 final int installFlags; 13328 final String installerPackageName; 13329 final String volumeUuid; 13330 final UserHandle user; 13331 final String abiOverride; 13332 final String[] installGrantPermissions; 13333 /** If non-null, drop an async trace when the install completes */ 13334 final String traceMethod; 13335 final int traceCookie; 13336 final Certificate[][] certificates; 13337 13338 // The list of instruction sets supported by this app. This is currently 13339 // only used during the rmdex() phase to clean up resources. We can get rid of this 13340 // if we move dex files under the common app path. 13341 /* nullable */ String[] instructionSets; 13342 13343 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13344 int installFlags, String installerPackageName, String volumeUuid, 13345 UserHandle user, String[] instructionSets, 13346 String abiOverride, String[] installGrantPermissions, 13347 String traceMethod, int traceCookie, Certificate[][] certificates) { 13348 this.origin = origin; 13349 this.move = move; 13350 this.installFlags = installFlags; 13351 this.observer = observer; 13352 this.installerPackageName = installerPackageName; 13353 this.volumeUuid = volumeUuid; 13354 this.user = user; 13355 this.instructionSets = instructionSets; 13356 this.abiOverride = abiOverride; 13357 this.installGrantPermissions = installGrantPermissions; 13358 this.traceMethod = traceMethod; 13359 this.traceCookie = traceCookie; 13360 this.certificates = certificates; 13361 } 13362 13363 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13364 abstract int doPreInstall(int status); 13365 13366 /** 13367 * Rename package into final resting place. All paths on the given 13368 * scanned package should be updated to reflect the rename. 13369 */ 13370 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13371 abstract int doPostInstall(int status, int uid); 13372 13373 /** @see PackageSettingBase#codePathString */ 13374 abstract String getCodePath(); 13375 /** @see PackageSettingBase#resourcePathString */ 13376 abstract String getResourcePath(); 13377 13378 // Need installer lock especially for dex file removal. 13379 abstract void cleanUpResourcesLI(); 13380 abstract boolean doPostDeleteLI(boolean delete); 13381 13382 /** 13383 * Called before the source arguments are copied. This is used mostly 13384 * for MoveParams when it needs to read the source file to put it in the 13385 * destination. 13386 */ 13387 int doPreCopy() { 13388 return PackageManager.INSTALL_SUCCEEDED; 13389 } 13390 13391 /** 13392 * Called after the source arguments are copied. This is used mostly for 13393 * MoveParams when it needs to read the source file to put it in the 13394 * destination. 13395 */ 13396 int doPostCopy(int uid) { 13397 return PackageManager.INSTALL_SUCCEEDED; 13398 } 13399 13400 protected boolean isFwdLocked() { 13401 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13402 } 13403 13404 protected boolean isExternalAsec() { 13405 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13406 } 13407 13408 protected boolean isEphemeral() { 13409 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13410 } 13411 13412 UserHandle getUser() { 13413 return user; 13414 } 13415 } 13416 13417 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13418 if (!allCodePaths.isEmpty()) { 13419 if (instructionSets == null) { 13420 throw new IllegalStateException("instructionSet == null"); 13421 } 13422 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13423 for (String codePath : allCodePaths) { 13424 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13425 try { 13426 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13427 } catch (InstallerException ignored) { 13428 } 13429 } 13430 } 13431 } 13432 } 13433 13434 /** 13435 * Logic to handle installation of non-ASEC applications, including copying 13436 * and renaming logic. 13437 */ 13438 class FileInstallArgs extends InstallArgs { 13439 private File codeFile; 13440 private File resourceFile; 13441 13442 // Example topology: 13443 // /data/app/com.example/base.apk 13444 // /data/app/com.example/split_foo.apk 13445 // /data/app/com.example/lib/arm/libfoo.so 13446 // /data/app/com.example/lib/arm64/libfoo.so 13447 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13448 13449 /** New install */ 13450 FileInstallArgs(InstallParams params) { 13451 super(params.origin, params.move, params.observer, params.installFlags, 13452 params.installerPackageName, params.volumeUuid, 13453 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13454 params.grantedRuntimePermissions, 13455 params.traceMethod, params.traceCookie, params.certificates); 13456 if (isFwdLocked()) { 13457 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13458 } 13459 } 13460 13461 /** Existing install */ 13462 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13463 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13464 null, null, null, 0, null /*certificates*/); 13465 this.codeFile = (codePath != null) ? new File(codePath) : null; 13466 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13467 } 13468 13469 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13470 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13471 try { 13472 return doCopyApk(imcs, temp); 13473 } finally { 13474 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13475 } 13476 } 13477 13478 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13479 if (origin.staged) { 13480 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13481 codeFile = origin.file; 13482 resourceFile = origin.file; 13483 return PackageManager.INSTALL_SUCCEEDED; 13484 } 13485 13486 try { 13487 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13488 final File tempDir = 13489 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13490 codeFile = tempDir; 13491 resourceFile = tempDir; 13492 } catch (IOException e) { 13493 Slog.w(TAG, "Failed to create copy file: " + e); 13494 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13495 } 13496 13497 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13498 @Override 13499 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13500 if (!FileUtils.isValidExtFilename(name)) { 13501 throw new IllegalArgumentException("Invalid filename: " + name); 13502 } 13503 try { 13504 final File file = new File(codeFile, name); 13505 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13506 O_RDWR | O_CREAT, 0644); 13507 Os.chmod(file.getAbsolutePath(), 0644); 13508 return new ParcelFileDescriptor(fd); 13509 } catch (ErrnoException e) { 13510 throw new RemoteException("Failed to open: " + e.getMessage()); 13511 } 13512 } 13513 }; 13514 13515 int ret = PackageManager.INSTALL_SUCCEEDED; 13516 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13517 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13518 Slog.e(TAG, "Failed to copy package"); 13519 return ret; 13520 } 13521 13522 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13523 NativeLibraryHelper.Handle handle = null; 13524 try { 13525 handle = NativeLibraryHelper.Handle.create(codeFile); 13526 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13527 abiOverride); 13528 } catch (IOException e) { 13529 Slog.e(TAG, "Copying native libraries failed", e); 13530 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13531 } finally { 13532 IoUtils.closeQuietly(handle); 13533 } 13534 13535 return ret; 13536 } 13537 13538 int doPreInstall(int status) { 13539 if (status != PackageManager.INSTALL_SUCCEEDED) { 13540 cleanUp(); 13541 } 13542 return status; 13543 } 13544 13545 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13546 if (status != PackageManager.INSTALL_SUCCEEDED) { 13547 cleanUp(); 13548 return false; 13549 } 13550 13551 final File targetDir = codeFile.getParentFile(); 13552 final File beforeCodeFile = codeFile; 13553 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13554 13555 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13556 try { 13557 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13558 } catch (ErrnoException e) { 13559 Slog.w(TAG, "Failed to rename", e); 13560 return false; 13561 } 13562 13563 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13564 Slog.w(TAG, "Failed to restorecon"); 13565 return false; 13566 } 13567 13568 // Reflect the rename internally 13569 codeFile = afterCodeFile; 13570 resourceFile = afterCodeFile; 13571 13572 // Reflect the rename in scanned details 13573 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13574 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13575 afterCodeFile, pkg.baseCodePath)); 13576 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13577 afterCodeFile, pkg.splitCodePaths)); 13578 13579 // Reflect the rename in app info 13580 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13581 pkg.setApplicationInfoCodePath(pkg.codePath); 13582 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13583 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13584 pkg.setApplicationInfoResourcePath(pkg.codePath); 13585 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13586 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13587 13588 return true; 13589 } 13590 13591 int doPostInstall(int status, int uid) { 13592 if (status != PackageManager.INSTALL_SUCCEEDED) { 13593 cleanUp(); 13594 } 13595 return status; 13596 } 13597 13598 @Override 13599 String getCodePath() { 13600 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13601 } 13602 13603 @Override 13604 String getResourcePath() { 13605 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13606 } 13607 13608 private boolean cleanUp() { 13609 if (codeFile == null || !codeFile.exists()) { 13610 return false; 13611 } 13612 13613 removeCodePathLI(codeFile); 13614 13615 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13616 resourceFile.delete(); 13617 } 13618 13619 return true; 13620 } 13621 13622 void cleanUpResourcesLI() { 13623 // Try enumerating all code paths before deleting 13624 List<String> allCodePaths = Collections.EMPTY_LIST; 13625 if (codeFile != null && codeFile.exists()) { 13626 try { 13627 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13628 allCodePaths = pkg.getAllCodePaths(); 13629 } catch (PackageParserException e) { 13630 // Ignored; we tried our best 13631 } 13632 } 13633 13634 cleanUp(); 13635 removeDexFiles(allCodePaths, instructionSets); 13636 } 13637 13638 boolean doPostDeleteLI(boolean delete) { 13639 // XXX err, shouldn't we respect the delete flag? 13640 cleanUpResourcesLI(); 13641 return true; 13642 } 13643 } 13644 13645 private boolean isAsecExternal(String cid) { 13646 final String asecPath = PackageHelper.getSdFilesystem(cid); 13647 return !asecPath.startsWith(mAsecInternalPath); 13648 } 13649 13650 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13651 PackageManagerException { 13652 if (copyRet < 0) { 13653 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13654 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13655 throw new PackageManagerException(copyRet, message); 13656 } 13657 } 13658 } 13659 13660 /** 13661 * Extract the MountService "container ID" from the full code path of an 13662 * .apk. 13663 */ 13664 static String cidFromCodePath(String fullCodePath) { 13665 int eidx = fullCodePath.lastIndexOf("/"); 13666 String subStr1 = fullCodePath.substring(0, eidx); 13667 int sidx = subStr1.lastIndexOf("/"); 13668 return subStr1.substring(sidx+1, eidx); 13669 } 13670 13671 /** 13672 * Logic to handle installation of ASEC applications, including copying and 13673 * renaming logic. 13674 */ 13675 class AsecInstallArgs extends InstallArgs { 13676 static final String RES_FILE_NAME = "pkg.apk"; 13677 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13678 13679 String cid; 13680 String packagePath; 13681 String resourcePath; 13682 13683 /** New install */ 13684 AsecInstallArgs(InstallParams params) { 13685 super(params.origin, params.move, params.observer, params.installFlags, 13686 params.installerPackageName, params.volumeUuid, 13687 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13688 params.grantedRuntimePermissions, 13689 params.traceMethod, params.traceCookie, params.certificates); 13690 } 13691 13692 /** Existing install */ 13693 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13694 boolean isExternal, boolean isForwardLocked) { 13695 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13696 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13697 instructionSets, null, null, null, 0, null /*certificates*/); 13698 // Hackily pretend we're still looking at a full code path 13699 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13700 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13701 } 13702 13703 // Extract cid from fullCodePath 13704 int eidx = fullCodePath.lastIndexOf("/"); 13705 String subStr1 = fullCodePath.substring(0, eidx); 13706 int sidx = subStr1.lastIndexOf("/"); 13707 cid = subStr1.substring(sidx+1, eidx); 13708 setMountPath(subStr1); 13709 } 13710 13711 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13712 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13713 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13714 instructionSets, null, null, null, 0, null /*certificates*/); 13715 this.cid = cid; 13716 setMountPath(PackageHelper.getSdDir(cid)); 13717 } 13718 13719 void createCopyFile() { 13720 cid = mInstallerService.allocateExternalStageCidLegacy(); 13721 } 13722 13723 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13724 if (origin.staged && origin.cid != null) { 13725 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13726 cid = origin.cid; 13727 setMountPath(PackageHelper.getSdDir(cid)); 13728 return PackageManager.INSTALL_SUCCEEDED; 13729 } 13730 13731 if (temp) { 13732 createCopyFile(); 13733 } else { 13734 /* 13735 * Pre-emptively destroy the container since it's destroyed if 13736 * copying fails due to it existing anyway. 13737 */ 13738 PackageHelper.destroySdDir(cid); 13739 } 13740 13741 final String newMountPath = imcs.copyPackageToContainer( 13742 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13743 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13744 13745 if (newMountPath != null) { 13746 setMountPath(newMountPath); 13747 return PackageManager.INSTALL_SUCCEEDED; 13748 } else { 13749 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13750 } 13751 } 13752 13753 @Override 13754 String getCodePath() { 13755 return packagePath; 13756 } 13757 13758 @Override 13759 String getResourcePath() { 13760 return resourcePath; 13761 } 13762 13763 int doPreInstall(int status) { 13764 if (status != PackageManager.INSTALL_SUCCEEDED) { 13765 // Destroy container 13766 PackageHelper.destroySdDir(cid); 13767 } else { 13768 boolean mounted = PackageHelper.isContainerMounted(cid); 13769 if (!mounted) { 13770 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13771 Process.SYSTEM_UID); 13772 if (newMountPath != null) { 13773 setMountPath(newMountPath); 13774 } else { 13775 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13776 } 13777 } 13778 } 13779 return status; 13780 } 13781 13782 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13783 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13784 String newMountPath = null; 13785 if (PackageHelper.isContainerMounted(cid)) { 13786 // Unmount the container 13787 if (!PackageHelper.unMountSdDir(cid)) { 13788 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13789 return false; 13790 } 13791 } 13792 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13793 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13794 " which might be stale. Will try to clean up."); 13795 // Clean up the stale container and proceed to recreate. 13796 if (!PackageHelper.destroySdDir(newCacheId)) { 13797 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13798 return false; 13799 } 13800 // Successfully cleaned up stale container. Try to rename again. 13801 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13802 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13803 + " inspite of cleaning it up."); 13804 return false; 13805 } 13806 } 13807 if (!PackageHelper.isContainerMounted(newCacheId)) { 13808 Slog.w(TAG, "Mounting container " + newCacheId); 13809 newMountPath = PackageHelper.mountSdDir(newCacheId, 13810 getEncryptKey(), Process.SYSTEM_UID); 13811 } else { 13812 newMountPath = PackageHelper.getSdDir(newCacheId); 13813 } 13814 if (newMountPath == null) { 13815 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13816 return false; 13817 } 13818 Log.i(TAG, "Succesfully renamed " + cid + 13819 " to " + newCacheId + 13820 " at new path: " + newMountPath); 13821 cid = newCacheId; 13822 13823 final File beforeCodeFile = new File(packagePath); 13824 setMountPath(newMountPath); 13825 final File afterCodeFile = new File(packagePath); 13826 13827 // Reflect the rename in scanned details 13828 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13829 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13830 afterCodeFile, pkg.baseCodePath)); 13831 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13832 afterCodeFile, pkg.splitCodePaths)); 13833 13834 // Reflect the rename in app info 13835 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13836 pkg.setApplicationInfoCodePath(pkg.codePath); 13837 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13838 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13839 pkg.setApplicationInfoResourcePath(pkg.codePath); 13840 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13841 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13842 13843 return true; 13844 } 13845 13846 private void setMountPath(String mountPath) { 13847 final File mountFile = new File(mountPath); 13848 13849 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13850 if (monolithicFile.exists()) { 13851 packagePath = monolithicFile.getAbsolutePath(); 13852 if (isFwdLocked()) { 13853 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13854 } else { 13855 resourcePath = packagePath; 13856 } 13857 } else { 13858 packagePath = mountFile.getAbsolutePath(); 13859 resourcePath = packagePath; 13860 } 13861 } 13862 13863 int doPostInstall(int status, int uid) { 13864 if (status != PackageManager.INSTALL_SUCCEEDED) { 13865 cleanUp(); 13866 } else { 13867 final int groupOwner; 13868 final String protectedFile; 13869 if (isFwdLocked()) { 13870 groupOwner = UserHandle.getSharedAppGid(uid); 13871 protectedFile = RES_FILE_NAME; 13872 } else { 13873 groupOwner = -1; 13874 protectedFile = null; 13875 } 13876 13877 if (uid < Process.FIRST_APPLICATION_UID 13878 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13879 Slog.e(TAG, "Failed to finalize " + cid); 13880 PackageHelper.destroySdDir(cid); 13881 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13882 } 13883 13884 boolean mounted = PackageHelper.isContainerMounted(cid); 13885 if (!mounted) { 13886 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13887 } 13888 } 13889 return status; 13890 } 13891 13892 private void cleanUp() { 13893 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13894 13895 // Destroy secure container 13896 PackageHelper.destroySdDir(cid); 13897 } 13898 13899 private List<String> getAllCodePaths() { 13900 final File codeFile = new File(getCodePath()); 13901 if (codeFile != null && codeFile.exists()) { 13902 try { 13903 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13904 return pkg.getAllCodePaths(); 13905 } catch (PackageParserException e) { 13906 // Ignored; we tried our best 13907 } 13908 } 13909 return Collections.EMPTY_LIST; 13910 } 13911 13912 void cleanUpResourcesLI() { 13913 // Enumerate all code paths before deleting 13914 cleanUpResourcesLI(getAllCodePaths()); 13915 } 13916 13917 private void cleanUpResourcesLI(List<String> allCodePaths) { 13918 cleanUp(); 13919 removeDexFiles(allCodePaths, instructionSets); 13920 } 13921 13922 String getPackageName() { 13923 return getAsecPackageName(cid); 13924 } 13925 13926 boolean doPostDeleteLI(boolean delete) { 13927 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13928 final List<String> allCodePaths = getAllCodePaths(); 13929 boolean mounted = PackageHelper.isContainerMounted(cid); 13930 if (mounted) { 13931 // Unmount first 13932 if (PackageHelper.unMountSdDir(cid)) { 13933 mounted = false; 13934 } 13935 } 13936 if (!mounted && delete) { 13937 cleanUpResourcesLI(allCodePaths); 13938 } 13939 return !mounted; 13940 } 13941 13942 @Override 13943 int doPreCopy() { 13944 if (isFwdLocked()) { 13945 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13946 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13947 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13948 } 13949 } 13950 13951 return PackageManager.INSTALL_SUCCEEDED; 13952 } 13953 13954 @Override 13955 int doPostCopy(int uid) { 13956 if (isFwdLocked()) { 13957 if (uid < Process.FIRST_APPLICATION_UID 13958 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13959 RES_FILE_NAME)) { 13960 Slog.e(TAG, "Failed to finalize " + cid); 13961 PackageHelper.destroySdDir(cid); 13962 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13963 } 13964 } 13965 13966 return PackageManager.INSTALL_SUCCEEDED; 13967 } 13968 } 13969 13970 /** 13971 * Logic to handle movement of existing installed applications. 13972 */ 13973 class MoveInstallArgs extends InstallArgs { 13974 private File codeFile; 13975 private File resourceFile; 13976 13977 /** New install */ 13978 MoveInstallArgs(InstallParams params) { 13979 super(params.origin, params.move, params.observer, params.installFlags, 13980 params.installerPackageName, params.volumeUuid, 13981 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13982 params.grantedRuntimePermissions, 13983 params.traceMethod, params.traceCookie, params.certificates); 13984 } 13985 13986 int copyApk(IMediaContainerService imcs, boolean temp) { 13987 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13988 + move.fromUuid + " to " + move.toUuid); 13989 synchronized (mInstaller) { 13990 try { 13991 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13992 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13993 } catch (InstallerException e) { 13994 Slog.w(TAG, "Failed to move app", e); 13995 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13996 } 13997 } 13998 13999 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 14000 resourceFile = codeFile; 14001 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 14002 14003 return PackageManager.INSTALL_SUCCEEDED; 14004 } 14005 14006 int doPreInstall(int status) { 14007 if (status != PackageManager.INSTALL_SUCCEEDED) { 14008 cleanUp(move.toUuid); 14009 } 14010 return status; 14011 } 14012 14013 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14014 if (status != PackageManager.INSTALL_SUCCEEDED) { 14015 cleanUp(move.toUuid); 14016 return false; 14017 } 14018 14019 // Reflect the move in app info 14020 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14021 pkg.setApplicationInfoCodePath(pkg.codePath); 14022 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14023 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14024 pkg.setApplicationInfoResourcePath(pkg.codePath); 14025 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14026 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14027 14028 return true; 14029 } 14030 14031 int doPostInstall(int status, int uid) { 14032 if (status == PackageManager.INSTALL_SUCCEEDED) { 14033 cleanUp(move.fromUuid); 14034 } else { 14035 cleanUp(move.toUuid); 14036 } 14037 return status; 14038 } 14039 14040 @Override 14041 String getCodePath() { 14042 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14043 } 14044 14045 @Override 14046 String getResourcePath() { 14047 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14048 } 14049 14050 private boolean cleanUp(String volumeUuid) { 14051 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 14052 move.dataAppName); 14053 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 14054 final int[] userIds = sUserManager.getUserIds(); 14055 synchronized (mInstallLock) { 14056 // Clean up both app data and code 14057 // All package moves are frozen until finished 14058 for (int userId : userIds) { 14059 try { 14060 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14061 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14062 } catch (InstallerException e) { 14063 Slog.w(TAG, String.valueOf(e)); 14064 } 14065 } 14066 removeCodePathLI(codeFile); 14067 } 14068 return true; 14069 } 14070 14071 void cleanUpResourcesLI() { 14072 throw new UnsupportedOperationException(); 14073 } 14074 14075 boolean doPostDeleteLI(boolean delete) { 14076 throw new UnsupportedOperationException(); 14077 } 14078 } 14079 14080 static String getAsecPackageName(String packageCid) { 14081 int idx = packageCid.lastIndexOf("-"); 14082 if (idx == -1) { 14083 return packageCid; 14084 } 14085 return packageCid.substring(0, idx); 14086 } 14087 14088 // Utility method used to create code paths based on package name and available index. 14089 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14090 String idxStr = ""; 14091 int idx = 1; 14092 // Fall back to default value of idx=1 if prefix is not 14093 // part of oldCodePath 14094 if (oldCodePath != null) { 14095 String subStr = oldCodePath; 14096 // Drop the suffix right away 14097 if (suffix != null && subStr.endsWith(suffix)) { 14098 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14099 } 14100 // If oldCodePath already contains prefix find out the 14101 // ending index to either increment or decrement. 14102 int sidx = subStr.lastIndexOf(prefix); 14103 if (sidx != -1) { 14104 subStr = subStr.substring(sidx + prefix.length()); 14105 if (subStr != null) { 14106 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14107 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14108 } 14109 try { 14110 idx = Integer.parseInt(subStr); 14111 if (idx <= 1) { 14112 idx++; 14113 } else { 14114 idx--; 14115 } 14116 } catch(NumberFormatException e) { 14117 } 14118 } 14119 } 14120 } 14121 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14122 return prefix + idxStr; 14123 } 14124 14125 private File getNextCodePath(File targetDir, String packageName) { 14126 int suffix = 1; 14127 File result; 14128 do { 14129 result = new File(targetDir, packageName + "-" + suffix); 14130 suffix++; 14131 } while (result.exists()); 14132 return result; 14133 } 14134 14135 // Utility method that returns the relative package path with respect 14136 // to the installation directory. Like say for /data/data/com.test-1.apk 14137 // string com.test-1 is returned. 14138 static String deriveCodePathName(String codePath) { 14139 if (codePath == null) { 14140 return null; 14141 } 14142 final File codeFile = new File(codePath); 14143 final String name = codeFile.getName(); 14144 if (codeFile.isDirectory()) { 14145 return name; 14146 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14147 final int lastDot = name.lastIndexOf('.'); 14148 return name.substring(0, lastDot); 14149 } else { 14150 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14151 return null; 14152 } 14153 } 14154 14155 static class PackageInstalledInfo { 14156 String name; 14157 int uid; 14158 // The set of users that originally had this package installed. 14159 int[] origUsers; 14160 // The set of users that now have this package installed. 14161 int[] newUsers; 14162 PackageParser.Package pkg; 14163 int returnCode; 14164 String returnMsg; 14165 PackageRemovedInfo removedInfo; 14166 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14167 14168 public void setError(int code, String msg) { 14169 setReturnCode(code); 14170 setReturnMessage(msg); 14171 Slog.w(TAG, msg); 14172 } 14173 14174 public void setError(String msg, PackageParserException e) { 14175 setReturnCode(e.error); 14176 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14177 Slog.w(TAG, msg, e); 14178 } 14179 14180 public void setError(String msg, PackageManagerException e) { 14181 returnCode = e.error; 14182 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14183 Slog.w(TAG, msg, e); 14184 } 14185 14186 public void setReturnCode(int returnCode) { 14187 this.returnCode = returnCode; 14188 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14189 for (int i = 0; i < childCount; i++) { 14190 addedChildPackages.valueAt(i).returnCode = returnCode; 14191 } 14192 } 14193 14194 private void setReturnMessage(String returnMsg) { 14195 this.returnMsg = returnMsg; 14196 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14197 for (int i = 0; i < childCount; i++) { 14198 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14199 } 14200 } 14201 14202 // In some error cases we want to convey more info back to the observer 14203 String origPackage; 14204 String origPermission; 14205 } 14206 14207 /* 14208 * Install a non-existing package. 14209 */ 14210 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14211 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14212 PackageInstalledInfo res) { 14213 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14214 14215 // Remember this for later, in case we need to rollback this install 14216 String pkgName = pkg.packageName; 14217 14218 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14219 14220 synchronized(mPackages) { 14221 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14222 // A package with the same name is already installed, though 14223 // it has been renamed to an older name. The package we 14224 // are trying to install should be installed as an update to 14225 // the existing one, but that has not been requested, so bail. 14226 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14227 + " without first uninstalling package running as " 14228 + mSettings.mRenamedPackages.get(pkgName)); 14229 return; 14230 } 14231 if (mPackages.containsKey(pkgName)) { 14232 // Don't allow installation over an existing package with the same name. 14233 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14234 + " without first uninstalling."); 14235 return; 14236 } 14237 } 14238 14239 try { 14240 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14241 System.currentTimeMillis(), user); 14242 14243 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14244 14245 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14246 prepareAppDataAfterInstallLIF(newPackage); 14247 14248 } else { 14249 // Remove package from internal structures, but keep around any 14250 // data that might have already existed 14251 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14252 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14253 } 14254 } catch (PackageManagerException e) { 14255 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14256 } 14257 14258 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14259 } 14260 14261 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14262 // Can't rotate keys during boot or if sharedUser. 14263 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14264 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14265 return false; 14266 } 14267 // app is using upgradeKeySets; make sure all are valid 14268 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14269 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14270 for (int i = 0; i < upgradeKeySets.length; i++) { 14271 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14272 Slog.wtf(TAG, "Package " 14273 + (oldPs.name != null ? oldPs.name : "<null>") 14274 + " contains upgrade-key-set reference to unknown key-set: " 14275 + upgradeKeySets[i] 14276 + " reverting to signatures check."); 14277 return false; 14278 } 14279 } 14280 return true; 14281 } 14282 14283 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14284 // Upgrade keysets are being used. Determine if new package has a superset of the 14285 // required keys. 14286 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14287 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14288 for (int i = 0; i < upgradeKeySets.length; i++) { 14289 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14290 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14291 return true; 14292 } 14293 } 14294 return false; 14295 } 14296 14297 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14298 try (DigestInputStream digestStream = 14299 new DigestInputStream(new FileInputStream(file), digest)) { 14300 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14301 } 14302 } 14303 14304 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14305 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14306 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14307 14308 final PackageParser.Package oldPackage; 14309 final String pkgName = pkg.packageName; 14310 final int[] allUsers; 14311 final int[] installedUsers; 14312 14313 synchronized(mPackages) { 14314 oldPackage = mPackages.get(pkgName); 14315 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14316 14317 // don't allow upgrade to target a release SDK from a pre-release SDK 14318 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14319 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14320 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14321 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14322 if (oldTargetsPreRelease 14323 && !newTargetsPreRelease 14324 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14325 Slog.w(TAG, "Can't install package targeting released sdk"); 14326 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14327 return; 14328 } 14329 14330 // don't allow an upgrade from full to ephemeral 14331 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14332 if (isEphemeral && !oldIsEphemeral) { 14333 // can't downgrade from full to ephemeral 14334 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14335 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14336 return; 14337 } 14338 14339 // verify signatures are valid 14340 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14341 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14342 if (!checkUpgradeKeySetLP(ps, pkg)) { 14343 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14344 "New package not signed by keys specified by upgrade-keysets: " 14345 + pkgName); 14346 return; 14347 } 14348 } else { 14349 // default to original signature matching 14350 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14351 != PackageManager.SIGNATURE_MATCH) { 14352 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14353 "New package has a different signature: " + pkgName); 14354 return; 14355 } 14356 } 14357 14358 // don't allow a system upgrade unless the upgrade hash matches 14359 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14360 byte[] digestBytes = null; 14361 try { 14362 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14363 updateDigest(digest, new File(pkg.baseCodePath)); 14364 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14365 for (String path : pkg.splitCodePaths) { 14366 updateDigest(digest, new File(path)); 14367 } 14368 } 14369 digestBytes = digest.digest(); 14370 } catch (NoSuchAlgorithmException | IOException e) { 14371 res.setError(INSTALL_FAILED_INVALID_APK, 14372 "Could not compute hash: " + pkgName); 14373 return; 14374 } 14375 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14376 res.setError(INSTALL_FAILED_INVALID_APK, 14377 "New package fails restrict-update check: " + pkgName); 14378 return; 14379 } 14380 // retain upgrade restriction 14381 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14382 } 14383 14384 // Check for shared user id changes 14385 String invalidPackageName = 14386 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14387 if (invalidPackageName != null) { 14388 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14389 "Package " + invalidPackageName + " tried to change user " 14390 + oldPackage.mSharedUserId); 14391 return; 14392 } 14393 14394 // In case of rollback, remember per-user/profile install state 14395 allUsers = sUserManager.getUserIds(); 14396 installedUsers = ps.queryInstalledUsers(allUsers, true); 14397 } 14398 14399 // Update what is removed 14400 res.removedInfo = new PackageRemovedInfo(); 14401 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14402 res.removedInfo.removedPackage = oldPackage.packageName; 14403 res.removedInfo.isUpdate = true; 14404 res.removedInfo.origUsers = installedUsers; 14405 final int childCount = (oldPackage.childPackages != null) 14406 ? oldPackage.childPackages.size() : 0; 14407 for (int i = 0; i < childCount; i++) { 14408 boolean childPackageUpdated = false; 14409 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14410 if (res.addedChildPackages != null) { 14411 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14412 if (childRes != null) { 14413 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14414 childRes.removedInfo.removedPackage = childPkg.packageName; 14415 childRes.removedInfo.isUpdate = true; 14416 childPackageUpdated = true; 14417 } 14418 } 14419 if (!childPackageUpdated) { 14420 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14421 childRemovedRes.removedPackage = childPkg.packageName; 14422 childRemovedRes.isUpdate = false; 14423 childRemovedRes.dataRemoved = true; 14424 synchronized (mPackages) { 14425 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14426 if (childPs != null) { 14427 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14428 } 14429 } 14430 if (res.removedInfo.removedChildPackages == null) { 14431 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14432 } 14433 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14434 } 14435 } 14436 14437 boolean sysPkg = (isSystemApp(oldPackage)); 14438 if (sysPkg) { 14439 // Set the system/privileged flags as needed 14440 final boolean privileged = 14441 (oldPackage.applicationInfo.privateFlags 14442 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14443 final int systemPolicyFlags = policyFlags 14444 | PackageParser.PARSE_IS_SYSTEM 14445 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14446 14447 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14448 user, allUsers, installerPackageName, res); 14449 } else { 14450 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14451 user, allUsers, installerPackageName, res); 14452 } 14453 } 14454 14455 public List<String> getPreviousCodePaths(String packageName) { 14456 final PackageSetting ps = mSettings.mPackages.get(packageName); 14457 final List<String> result = new ArrayList<String>(); 14458 if (ps != null && ps.oldCodePaths != null) { 14459 result.addAll(ps.oldCodePaths); 14460 } 14461 return result; 14462 } 14463 14464 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14465 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14466 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14467 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14468 + deletedPackage); 14469 14470 String pkgName = deletedPackage.packageName; 14471 boolean deletedPkg = true; 14472 boolean addedPkg = false; 14473 boolean updatedSettings = false; 14474 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14475 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14476 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14477 14478 final long origUpdateTime = (pkg.mExtras != null) 14479 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14480 14481 // First delete the existing package while retaining the data directory 14482 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14483 res.removedInfo, true, pkg)) { 14484 // If the existing package wasn't successfully deleted 14485 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14486 deletedPkg = false; 14487 } else { 14488 // Successfully deleted the old package; proceed with replace. 14489 14490 // If deleted package lived in a container, give users a chance to 14491 // relinquish resources before killing. 14492 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14493 if (DEBUG_INSTALL) { 14494 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14495 } 14496 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14497 final ArrayList<String> pkgList = new ArrayList<String>(1); 14498 pkgList.add(deletedPackage.applicationInfo.packageName); 14499 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14500 } 14501 14502 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14503 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14504 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14505 14506 try { 14507 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14508 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14509 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14510 14511 // Update the in-memory copy of the previous code paths. 14512 PackageSetting ps = mSettings.mPackages.get(pkgName); 14513 if (!killApp) { 14514 if (ps.oldCodePaths == null) { 14515 ps.oldCodePaths = new ArraySet<>(); 14516 } 14517 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14518 if (deletedPackage.splitCodePaths != null) { 14519 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14520 } 14521 } else { 14522 ps.oldCodePaths = null; 14523 } 14524 if (ps.childPackageNames != null) { 14525 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14526 final String childPkgName = ps.childPackageNames.get(i); 14527 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14528 childPs.oldCodePaths = ps.oldCodePaths; 14529 } 14530 } 14531 prepareAppDataAfterInstallLIF(newPackage); 14532 addedPkg = true; 14533 } catch (PackageManagerException e) { 14534 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14535 } 14536 } 14537 14538 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14539 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14540 14541 // Revert all internal state mutations and added folders for the failed install 14542 if (addedPkg) { 14543 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14544 res.removedInfo, true, null); 14545 } 14546 14547 // Restore the old package 14548 if (deletedPkg) { 14549 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14550 File restoreFile = new File(deletedPackage.codePath); 14551 // Parse old package 14552 boolean oldExternal = isExternal(deletedPackage); 14553 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14554 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14555 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14556 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14557 try { 14558 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14559 null); 14560 } catch (PackageManagerException e) { 14561 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14562 + e.getMessage()); 14563 return; 14564 } 14565 14566 synchronized (mPackages) { 14567 // Ensure the installer package name up to date 14568 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14569 14570 // Update permissions for restored package 14571 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14572 14573 mSettings.writeLPr(); 14574 } 14575 14576 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14577 } 14578 } else { 14579 synchronized (mPackages) { 14580 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14581 if (ps != null) { 14582 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14583 if (res.removedInfo.removedChildPackages != null) { 14584 final int childCount = res.removedInfo.removedChildPackages.size(); 14585 // Iterate in reverse as we may modify the collection 14586 for (int i = childCount - 1; i >= 0; i--) { 14587 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14588 if (res.addedChildPackages.containsKey(childPackageName)) { 14589 res.removedInfo.removedChildPackages.removeAt(i); 14590 } else { 14591 PackageRemovedInfo childInfo = res.removedInfo 14592 .removedChildPackages.valueAt(i); 14593 childInfo.removedForAllUsers = mPackages.get( 14594 childInfo.removedPackage) == null; 14595 } 14596 } 14597 } 14598 } 14599 } 14600 } 14601 } 14602 14603 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14604 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14605 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14606 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14607 + ", old=" + deletedPackage); 14608 14609 final boolean disabledSystem; 14610 14611 // Remove existing system package 14612 removePackageLI(deletedPackage, true); 14613 14614 synchronized (mPackages) { 14615 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14616 } 14617 if (!disabledSystem) { 14618 // We didn't need to disable the .apk as a current system package, 14619 // which means we are replacing another update that is already 14620 // installed. We need to make sure to delete the older one's .apk. 14621 res.removedInfo.args = createInstallArgsForExisting(0, 14622 deletedPackage.applicationInfo.getCodePath(), 14623 deletedPackage.applicationInfo.getResourcePath(), 14624 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14625 } else { 14626 res.removedInfo.args = null; 14627 } 14628 14629 // Successfully disabled the old package. Now proceed with re-installation 14630 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14631 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14632 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14633 14634 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14635 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14636 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14637 14638 PackageParser.Package newPackage = null; 14639 try { 14640 // Add the package to the internal data structures 14641 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14642 14643 // Set the update and install times 14644 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14645 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14646 System.currentTimeMillis()); 14647 14648 // Update the package dynamic state if succeeded 14649 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14650 // Now that the install succeeded make sure we remove data 14651 // directories for any child package the update removed. 14652 final int deletedChildCount = (deletedPackage.childPackages != null) 14653 ? deletedPackage.childPackages.size() : 0; 14654 final int newChildCount = (newPackage.childPackages != null) 14655 ? newPackage.childPackages.size() : 0; 14656 for (int i = 0; i < deletedChildCount; i++) { 14657 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14658 boolean childPackageDeleted = true; 14659 for (int j = 0; j < newChildCount; j++) { 14660 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14661 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14662 childPackageDeleted = false; 14663 break; 14664 } 14665 } 14666 if (childPackageDeleted) { 14667 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14668 deletedChildPkg.packageName); 14669 if (ps != null && res.removedInfo.removedChildPackages != null) { 14670 PackageRemovedInfo removedChildRes = res.removedInfo 14671 .removedChildPackages.get(deletedChildPkg.packageName); 14672 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14673 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14674 } 14675 } 14676 } 14677 14678 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14679 prepareAppDataAfterInstallLIF(newPackage); 14680 } 14681 } catch (PackageManagerException e) { 14682 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14683 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14684 } 14685 14686 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14687 // Re installation failed. Restore old information 14688 // Remove new pkg information 14689 if (newPackage != null) { 14690 removeInstalledPackageLI(newPackage, true); 14691 } 14692 // Add back the old system package 14693 try { 14694 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14695 } catch (PackageManagerException e) { 14696 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14697 } 14698 14699 synchronized (mPackages) { 14700 if (disabledSystem) { 14701 enableSystemPackageLPw(deletedPackage); 14702 } 14703 14704 // Ensure the installer package name up to date 14705 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14706 14707 // Update permissions for restored package 14708 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14709 14710 mSettings.writeLPr(); 14711 } 14712 14713 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14714 + " after failed upgrade"); 14715 } 14716 } 14717 14718 /** 14719 * Checks whether the parent or any of the child packages have a change shared 14720 * user. For a package to be a valid update the shred users of the parent and 14721 * the children should match. We may later support changing child shared users. 14722 * @param oldPkg The updated package. 14723 * @param newPkg The update package. 14724 * @return The shared user that change between the versions. 14725 */ 14726 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14727 PackageParser.Package newPkg) { 14728 // Check parent shared user 14729 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14730 return newPkg.packageName; 14731 } 14732 // Check child shared users 14733 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14734 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14735 for (int i = 0; i < newChildCount; i++) { 14736 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14737 // If this child was present, did it have the same shared user? 14738 for (int j = 0; j < oldChildCount; j++) { 14739 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14740 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14741 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14742 return newChildPkg.packageName; 14743 } 14744 } 14745 } 14746 return null; 14747 } 14748 14749 private void removeNativeBinariesLI(PackageSetting ps) { 14750 // Remove the lib path for the parent package 14751 if (ps != null) { 14752 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14753 // Remove the lib path for the child packages 14754 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14755 for (int i = 0; i < childCount; i++) { 14756 PackageSetting childPs = null; 14757 synchronized (mPackages) { 14758 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14759 } 14760 if (childPs != null) { 14761 NativeLibraryHelper.removeNativeBinariesLI(childPs 14762 .legacyNativeLibraryPathString); 14763 } 14764 } 14765 } 14766 } 14767 14768 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14769 // Enable the parent package 14770 mSettings.enableSystemPackageLPw(pkg.packageName); 14771 // Enable the child packages 14772 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14773 for (int i = 0; i < childCount; i++) { 14774 PackageParser.Package childPkg = pkg.childPackages.get(i); 14775 mSettings.enableSystemPackageLPw(childPkg.packageName); 14776 } 14777 } 14778 14779 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14780 PackageParser.Package newPkg) { 14781 // Disable the parent package (parent always replaced) 14782 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14783 // Disable the child packages 14784 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14785 for (int i = 0; i < childCount; i++) { 14786 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14787 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14788 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14789 } 14790 return disabled; 14791 } 14792 14793 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14794 String installerPackageName) { 14795 // Enable the parent package 14796 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14797 // Enable the child packages 14798 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14799 for (int i = 0; i < childCount; i++) { 14800 PackageParser.Package childPkg = pkg.childPackages.get(i); 14801 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14802 } 14803 } 14804 14805 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14806 // Collect all used permissions in the UID 14807 ArraySet<String> usedPermissions = new ArraySet<>(); 14808 final int packageCount = su.packages.size(); 14809 for (int i = 0; i < packageCount; i++) { 14810 PackageSetting ps = su.packages.valueAt(i); 14811 if (ps.pkg == null) { 14812 continue; 14813 } 14814 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14815 for (int j = 0; j < requestedPermCount; j++) { 14816 String permission = ps.pkg.requestedPermissions.get(j); 14817 BasePermission bp = mSettings.mPermissions.get(permission); 14818 if (bp != null) { 14819 usedPermissions.add(permission); 14820 } 14821 } 14822 } 14823 14824 PermissionsState permissionsState = su.getPermissionsState(); 14825 // Prune install permissions 14826 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14827 final int installPermCount = installPermStates.size(); 14828 for (int i = installPermCount - 1; i >= 0; i--) { 14829 PermissionState permissionState = installPermStates.get(i); 14830 if (!usedPermissions.contains(permissionState.getName())) { 14831 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14832 if (bp != null) { 14833 permissionsState.revokeInstallPermission(bp); 14834 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14835 PackageManager.MASK_PERMISSION_FLAGS, 0); 14836 } 14837 } 14838 } 14839 14840 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14841 14842 // Prune runtime permissions 14843 for (int userId : allUserIds) { 14844 List<PermissionState> runtimePermStates = permissionsState 14845 .getRuntimePermissionStates(userId); 14846 final int runtimePermCount = runtimePermStates.size(); 14847 for (int i = runtimePermCount - 1; i >= 0; i--) { 14848 PermissionState permissionState = runtimePermStates.get(i); 14849 if (!usedPermissions.contains(permissionState.getName())) { 14850 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14851 if (bp != null) { 14852 permissionsState.revokeRuntimePermission(bp, userId); 14853 permissionsState.updatePermissionFlags(bp, userId, 14854 PackageManager.MASK_PERMISSION_FLAGS, 0); 14855 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14856 runtimePermissionChangedUserIds, userId); 14857 } 14858 } 14859 } 14860 } 14861 14862 return runtimePermissionChangedUserIds; 14863 } 14864 14865 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14866 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14867 // Update the parent package setting 14868 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14869 res, user); 14870 // Update the child packages setting 14871 final int childCount = (newPackage.childPackages != null) 14872 ? newPackage.childPackages.size() : 0; 14873 for (int i = 0; i < childCount; i++) { 14874 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14875 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14876 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14877 childRes.origUsers, childRes, user); 14878 } 14879 } 14880 14881 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14882 String installerPackageName, int[] allUsers, int[] installedForUsers, 14883 PackageInstalledInfo res, UserHandle user) { 14884 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14885 14886 String pkgName = newPackage.packageName; 14887 synchronized (mPackages) { 14888 //write settings. the installStatus will be incomplete at this stage. 14889 //note that the new package setting would have already been 14890 //added to mPackages. It hasn't been persisted yet. 14891 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14892 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14893 mSettings.writeLPr(); 14894 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14895 } 14896 14897 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14898 synchronized (mPackages) { 14899 updatePermissionsLPw(newPackage.packageName, newPackage, 14900 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14901 ? UPDATE_PERMISSIONS_ALL : 0)); 14902 // For system-bundled packages, we assume that installing an upgraded version 14903 // of the package implies that the user actually wants to run that new code, 14904 // so we enable the package. 14905 PackageSetting ps = mSettings.mPackages.get(pkgName); 14906 final int userId = user.getIdentifier(); 14907 if (ps != null) { 14908 if (isSystemApp(newPackage)) { 14909 if (DEBUG_INSTALL) { 14910 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14911 } 14912 // Enable system package for requested users 14913 if (res.origUsers != null) { 14914 for (int origUserId : res.origUsers) { 14915 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14916 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14917 origUserId, installerPackageName); 14918 } 14919 } 14920 } 14921 // Also convey the prior install/uninstall state 14922 if (allUsers != null && installedForUsers != null) { 14923 for (int currentUserId : allUsers) { 14924 final boolean installed = ArrayUtils.contains( 14925 installedForUsers, currentUserId); 14926 if (DEBUG_INSTALL) { 14927 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14928 } 14929 ps.setInstalled(installed, currentUserId); 14930 } 14931 // these install state changes will be persisted in the 14932 // upcoming call to mSettings.writeLPr(). 14933 } 14934 } 14935 // It's implied that when a user requests installation, they want the app to be 14936 // installed and enabled. 14937 if (userId != UserHandle.USER_ALL) { 14938 ps.setInstalled(true, userId); 14939 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14940 } 14941 } 14942 res.name = pkgName; 14943 res.uid = newPackage.applicationInfo.uid; 14944 res.pkg = newPackage; 14945 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14946 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14947 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14948 //to update install status 14949 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14950 mSettings.writeLPr(); 14951 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14952 } 14953 14954 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14955 } 14956 14957 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14958 try { 14959 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14960 installPackageLI(args, res); 14961 } finally { 14962 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14963 } 14964 } 14965 14966 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14967 final int installFlags = args.installFlags; 14968 final String installerPackageName = args.installerPackageName; 14969 final String volumeUuid = args.volumeUuid; 14970 final File tmpPackageFile = new File(args.getCodePath()); 14971 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14972 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14973 || (args.volumeUuid != null)); 14974 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14975 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14976 boolean replace = false; 14977 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14978 if (args.move != null) { 14979 // moving a complete application; perform an initial scan on the new install location 14980 scanFlags |= SCAN_INITIAL; 14981 } 14982 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14983 scanFlags |= SCAN_DONT_KILL_APP; 14984 } 14985 14986 // Result object to be returned 14987 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14988 14989 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14990 14991 // Sanity check 14992 if (ephemeral && (forwardLocked || onExternal)) { 14993 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14994 + " external=" + onExternal); 14995 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14996 return; 14997 } 14998 14999 // Retrieve PackageSettings and parse package 15000 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 15001 | PackageParser.PARSE_ENFORCE_CODE 15002 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 15003 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 15004 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 15005 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 15006 PackageParser pp = new PackageParser(); 15007 pp.setSeparateProcesses(mSeparateProcesses); 15008 pp.setDisplayMetrics(mMetrics); 15009 15010 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 15011 final PackageParser.Package pkg; 15012 try { 15013 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 15014 } catch (PackageParserException e) { 15015 res.setError("Failed parse during installPackageLI", e); 15016 return; 15017 } finally { 15018 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15019 } 15020 15021 // If we are installing a clustered package add results for the children 15022 if (pkg.childPackages != null) { 15023 synchronized (mPackages) { 15024 final int childCount = pkg.childPackages.size(); 15025 for (int i = 0; i < childCount; i++) { 15026 PackageParser.Package childPkg = pkg.childPackages.get(i); 15027 PackageInstalledInfo childRes = new PackageInstalledInfo(); 15028 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15029 childRes.pkg = childPkg; 15030 childRes.name = childPkg.packageName; 15031 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15032 if (childPs != null) { 15033 childRes.origUsers = childPs.queryInstalledUsers( 15034 sUserManager.getUserIds(), true); 15035 } 15036 if ((mPackages.containsKey(childPkg.packageName))) { 15037 childRes.removedInfo = new PackageRemovedInfo(); 15038 childRes.removedInfo.removedPackage = childPkg.packageName; 15039 } 15040 if (res.addedChildPackages == null) { 15041 res.addedChildPackages = new ArrayMap<>(); 15042 } 15043 res.addedChildPackages.put(childPkg.packageName, childRes); 15044 } 15045 } 15046 } 15047 15048 // If package doesn't declare API override, mark that we have an install 15049 // time CPU ABI override. 15050 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 15051 pkg.cpuAbiOverride = args.abiOverride; 15052 } 15053 15054 String pkgName = res.name = pkg.packageName; 15055 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15056 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15057 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15058 return; 15059 } 15060 } 15061 15062 try { 15063 // either use what we've been given or parse directly from the APK 15064 if (args.certificates != null) { 15065 try { 15066 PackageParser.populateCertificates(pkg, args.certificates); 15067 } catch (PackageParserException e) { 15068 // there was something wrong with the certificates we were given; 15069 // try to pull them from the APK 15070 PackageParser.collectCertificates(pkg, parseFlags); 15071 } 15072 } else { 15073 PackageParser.collectCertificates(pkg, parseFlags); 15074 } 15075 } catch (PackageParserException e) { 15076 res.setError("Failed collect during installPackageLI", e); 15077 return; 15078 } 15079 15080 // Get rid of all references to package scan path via parser. 15081 pp = null; 15082 String oldCodePath = null; 15083 boolean systemApp = false; 15084 synchronized (mPackages) { 15085 // Check if installing already existing package 15086 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15087 String oldName = mSettings.mRenamedPackages.get(pkgName); 15088 if (pkg.mOriginalPackages != null 15089 && pkg.mOriginalPackages.contains(oldName) 15090 && mPackages.containsKey(oldName)) { 15091 // This package is derived from an original package, 15092 // and this device has been updating from that original 15093 // name. We must continue using the original name, so 15094 // rename the new package here. 15095 pkg.setPackageName(oldName); 15096 pkgName = pkg.packageName; 15097 replace = true; 15098 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15099 + oldName + " pkgName=" + pkgName); 15100 } else if (mPackages.containsKey(pkgName)) { 15101 // This package, under its official name, already exists 15102 // on the device; we should replace it. 15103 replace = true; 15104 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15105 } 15106 15107 // Child packages are installed through the parent package 15108 if (pkg.parentPackage != null) { 15109 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15110 "Package " + pkg.packageName + " is child of package " 15111 + pkg.parentPackage.parentPackage + ". Child packages " 15112 + "can be updated only through the parent package."); 15113 return; 15114 } 15115 15116 if (replace) { 15117 // Prevent apps opting out from runtime permissions 15118 PackageParser.Package oldPackage = mPackages.get(pkgName); 15119 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15120 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15121 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15122 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15123 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15124 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15125 + " doesn't support runtime permissions but the old" 15126 + " target SDK " + oldTargetSdk + " does."); 15127 return; 15128 } 15129 15130 // Prevent installing of child packages 15131 if (oldPackage.parentPackage != null) { 15132 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15133 "Package " + pkg.packageName + " is child of package " 15134 + oldPackage.parentPackage + ". Child packages " 15135 + "can be updated only through the parent package."); 15136 return; 15137 } 15138 } 15139 } 15140 15141 PackageSetting ps = mSettings.mPackages.get(pkgName); 15142 if (ps != null) { 15143 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15144 15145 // Quick sanity check that we're signed correctly if updating; 15146 // we'll check this again later when scanning, but we want to 15147 // bail early here before tripping over redefined permissions. 15148 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15149 if (!checkUpgradeKeySetLP(ps, pkg)) { 15150 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15151 + pkg.packageName + " upgrade keys do not match the " 15152 + "previously installed version"); 15153 return; 15154 } 15155 } else { 15156 try { 15157 verifySignaturesLP(ps, pkg); 15158 } catch (PackageManagerException e) { 15159 res.setError(e.error, e.getMessage()); 15160 return; 15161 } 15162 } 15163 15164 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15165 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15166 systemApp = (ps.pkg.applicationInfo.flags & 15167 ApplicationInfo.FLAG_SYSTEM) != 0; 15168 } 15169 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15170 } 15171 15172 // Check whether the newly-scanned package wants to define an already-defined perm 15173 int N = pkg.permissions.size(); 15174 for (int i = N-1; i >= 0; i--) { 15175 PackageParser.Permission perm = pkg.permissions.get(i); 15176 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15177 if (bp != null) { 15178 // If the defining package is signed with our cert, it's okay. This 15179 // also includes the "updating the same package" case, of course. 15180 // "updating same package" could also involve key-rotation. 15181 final boolean sigsOk; 15182 if (bp.sourcePackage.equals(pkg.packageName) 15183 && (bp.packageSetting instanceof PackageSetting) 15184 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15185 scanFlags))) { 15186 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15187 } else { 15188 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15189 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15190 } 15191 if (!sigsOk) { 15192 // If the owning package is the system itself, we log but allow 15193 // install to proceed; we fail the install on all other permission 15194 // redefinitions. 15195 if (!bp.sourcePackage.equals("android")) { 15196 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15197 + pkg.packageName + " attempting to redeclare permission " 15198 + perm.info.name + " already owned by " + bp.sourcePackage); 15199 res.origPermission = perm.info.name; 15200 res.origPackage = bp.sourcePackage; 15201 return; 15202 } else { 15203 Slog.w(TAG, "Package " + pkg.packageName 15204 + " attempting to redeclare system permission " 15205 + perm.info.name + "; ignoring new declaration"); 15206 pkg.permissions.remove(i); 15207 } 15208 } 15209 } 15210 } 15211 } 15212 15213 if (systemApp) { 15214 if (onExternal) { 15215 // Abort update; system app can't be replaced with app on sdcard 15216 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15217 "Cannot install updates to system apps on sdcard"); 15218 return; 15219 } else if (ephemeral) { 15220 // Abort update; system app can't be replaced with an ephemeral app 15221 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15222 "Cannot update a system app with an ephemeral app"); 15223 return; 15224 } 15225 } 15226 15227 if (args.move != null) { 15228 // We did an in-place move, so dex is ready to roll 15229 scanFlags |= SCAN_NO_DEX; 15230 scanFlags |= SCAN_MOVE; 15231 15232 synchronized (mPackages) { 15233 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15234 if (ps == null) { 15235 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15236 "Missing settings for moved package " + pkgName); 15237 } 15238 15239 // We moved the entire application as-is, so bring over the 15240 // previously derived ABI information. 15241 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15242 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15243 } 15244 15245 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15246 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15247 scanFlags |= SCAN_NO_DEX; 15248 15249 try { 15250 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15251 args.abiOverride : pkg.cpuAbiOverride); 15252 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15253 true /* extract libs */); 15254 } catch (PackageManagerException pme) { 15255 Slog.e(TAG, "Error deriving application ABI", pme); 15256 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15257 return; 15258 } 15259 15260 // Shared libraries for the package need to be updated. 15261 synchronized (mPackages) { 15262 try { 15263 updateSharedLibrariesLPw(pkg, null); 15264 } catch (PackageManagerException e) { 15265 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15266 } 15267 } 15268 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15269 // Do not run PackageDexOptimizer through the local performDexOpt 15270 // method because `pkg` may not be in `mPackages` yet. 15271 // 15272 // Also, don't fail application installs if the dexopt step fails. 15273 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15274 null /* instructionSets */, false /* checkProfiles */, 15275 getCompilerFilterForReason(REASON_INSTALL), 15276 getOrCreateCompilerPackageStats(pkg)); 15277 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15278 15279 // Notify BackgroundDexOptService that the package has been changed. 15280 // If this is an update of a package which used to fail to compile, 15281 // BDOS will remove it from its blacklist. 15282 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15283 } 15284 15285 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15286 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15287 return; 15288 } 15289 15290 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15291 15292 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15293 "installPackageLI")) { 15294 if (replace) { 15295 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15296 installerPackageName, res); 15297 } else { 15298 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15299 args.user, installerPackageName, volumeUuid, res); 15300 } 15301 } 15302 synchronized (mPackages) { 15303 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15304 if (ps != null) { 15305 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15306 } 15307 15308 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15309 for (int i = 0; i < childCount; i++) { 15310 PackageParser.Package childPkg = pkg.childPackages.get(i); 15311 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15312 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15313 if (childPs != null) { 15314 childRes.newUsers = childPs.queryInstalledUsers( 15315 sUserManager.getUserIds(), true); 15316 } 15317 } 15318 } 15319 } 15320 15321 private void startIntentFilterVerifications(int userId, boolean replacing, 15322 PackageParser.Package pkg) { 15323 if (mIntentFilterVerifierComponent == null) { 15324 Slog.w(TAG, "No IntentFilter verification will not be done as " 15325 + "there is no IntentFilterVerifier available!"); 15326 return; 15327 } 15328 15329 final int verifierUid = getPackageUid( 15330 mIntentFilterVerifierComponent.getPackageName(), 15331 MATCH_DEBUG_TRIAGED_MISSING, 15332 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15333 15334 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15335 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15336 mHandler.sendMessage(msg); 15337 15338 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15339 for (int i = 0; i < childCount; i++) { 15340 PackageParser.Package childPkg = pkg.childPackages.get(i); 15341 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15342 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15343 mHandler.sendMessage(msg); 15344 } 15345 } 15346 15347 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15348 PackageParser.Package pkg) { 15349 int size = pkg.activities.size(); 15350 if (size == 0) { 15351 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15352 "No activity, so no need to verify any IntentFilter!"); 15353 return; 15354 } 15355 15356 final boolean hasDomainURLs = hasDomainURLs(pkg); 15357 if (!hasDomainURLs) { 15358 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15359 "No domain URLs, so no need to verify any IntentFilter!"); 15360 return; 15361 } 15362 15363 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15364 + " if any IntentFilter from the " + size 15365 + " Activities needs verification ..."); 15366 15367 int count = 0; 15368 final String packageName = pkg.packageName; 15369 15370 synchronized (mPackages) { 15371 // If this is a new install and we see that we've already run verification for this 15372 // package, we have nothing to do: it means the state was restored from backup. 15373 if (!replacing) { 15374 IntentFilterVerificationInfo ivi = 15375 mSettings.getIntentFilterVerificationLPr(packageName); 15376 if (ivi != null) { 15377 if (DEBUG_DOMAIN_VERIFICATION) { 15378 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15379 + ivi.getStatusString()); 15380 } 15381 return; 15382 } 15383 } 15384 15385 // If any filters need to be verified, then all need to be. 15386 boolean needToVerify = false; 15387 for (PackageParser.Activity a : pkg.activities) { 15388 for (ActivityIntentInfo filter : a.intents) { 15389 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15390 if (DEBUG_DOMAIN_VERIFICATION) { 15391 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15392 } 15393 needToVerify = true; 15394 break; 15395 } 15396 } 15397 } 15398 15399 if (needToVerify) { 15400 final int verificationId = mIntentFilterVerificationToken++; 15401 for (PackageParser.Activity a : pkg.activities) { 15402 for (ActivityIntentInfo filter : a.intents) { 15403 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15404 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15405 "Verification needed for IntentFilter:" + filter.toString()); 15406 mIntentFilterVerifier.addOneIntentFilterVerification( 15407 verifierUid, userId, verificationId, filter, packageName); 15408 count++; 15409 } 15410 } 15411 } 15412 } 15413 } 15414 15415 if (count > 0) { 15416 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15417 + " IntentFilter verification" + (count > 1 ? "s" : "") 15418 + " for userId:" + userId); 15419 mIntentFilterVerifier.startVerifications(userId); 15420 } else { 15421 if (DEBUG_DOMAIN_VERIFICATION) { 15422 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15423 } 15424 } 15425 } 15426 15427 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15428 final ComponentName cn = filter.activity.getComponentName(); 15429 final String packageName = cn.getPackageName(); 15430 15431 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15432 packageName); 15433 if (ivi == null) { 15434 return true; 15435 } 15436 int status = ivi.getStatus(); 15437 switch (status) { 15438 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15439 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15440 return true; 15441 15442 default: 15443 // Nothing to do 15444 return false; 15445 } 15446 } 15447 15448 private static boolean isMultiArch(ApplicationInfo info) { 15449 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15450 } 15451 15452 private static boolean isExternal(PackageParser.Package pkg) { 15453 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15454 } 15455 15456 private static boolean isExternal(PackageSetting ps) { 15457 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15458 } 15459 15460 private static boolean isEphemeral(PackageParser.Package pkg) { 15461 return pkg.applicationInfo.isEphemeralApp(); 15462 } 15463 15464 private static boolean isEphemeral(PackageSetting ps) { 15465 return ps.pkg != null && isEphemeral(ps.pkg); 15466 } 15467 15468 private static boolean isSystemApp(PackageParser.Package pkg) { 15469 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15470 } 15471 15472 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15473 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15474 } 15475 15476 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15477 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15478 } 15479 15480 private static boolean isSystemApp(PackageSetting ps) { 15481 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15482 } 15483 15484 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15485 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15486 } 15487 15488 private int packageFlagsToInstallFlags(PackageSetting ps) { 15489 int installFlags = 0; 15490 if (isEphemeral(ps)) { 15491 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15492 } 15493 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15494 // This existing package was an external ASEC install when we have 15495 // the external flag without a UUID 15496 installFlags |= PackageManager.INSTALL_EXTERNAL; 15497 } 15498 if (ps.isForwardLocked()) { 15499 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15500 } 15501 return installFlags; 15502 } 15503 15504 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15505 if (isExternal(pkg)) { 15506 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15507 return StorageManager.UUID_PRIMARY_PHYSICAL; 15508 } else { 15509 return pkg.volumeUuid; 15510 } 15511 } else { 15512 return StorageManager.UUID_PRIVATE_INTERNAL; 15513 } 15514 } 15515 15516 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15517 if (isExternal(pkg)) { 15518 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15519 return mSettings.getExternalVersion(); 15520 } else { 15521 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15522 } 15523 } else { 15524 return mSettings.getInternalVersion(); 15525 } 15526 } 15527 15528 private void deleteTempPackageFiles() { 15529 final FilenameFilter filter = new FilenameFilter() { 15530 public boolean accept(File dir, String name) { 15531 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15532 } 15533 }; 15534 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15535 file.delete(); 15536 } 15537 } 15538 15539 @Override 15540 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15541 int flags) { 15542 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15543 flags); 15544 } 15545 15546 @Override 15547 public void deletePackage(final String packageName, 15548 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15549 mContext.enforceCallingOrSelfPermission( 15550 android.Manifest.permission.DELETE_PACKAGES, null); 15551 Preconditions.checkNotNull(packageName); 15552 Preconditions.checkNotNull(observer); 15553 final int uid = Binder.getCallingUid(); 15554 if (!isOrphaned(packageName) 15555 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 15556 try { 15557 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 15558 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 15559 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 15560 observer.onUserActionRequired(intent); 15561 } catch (RemoteException re) { 15562 } 15563 return; 15564 } 15565 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15566 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15567 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15568 mContext.enforceCallingOrSelfPermission( 15569 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15570 "deletePackage for user " + userId); 15571 } 15572 15573 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15574 try { 15575 observer.onPackageDeleted(packageName, 15576 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15577 } catch (RemoteException re) { 15578 } 15579 return; 15580 } 15581 15582 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15583 try { 15584 observer.onPackageDeleted(packageName, 15585 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15586 } catch (RemoteException re) { 15587 } 15588 return; 15589 } 15590 15591 if (DEBUG_REMOVE) { 15592 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15593 + " deleteAllUsers: " + deleteAllUsers ); 15594 } 15595 // Queue up an async operation since the package deletion may take a little while. 15596 mHandler.post(new Runnable() { 15597 public void run() { 15598 mHandler.removeCallbacks(this); 15599 int returnCode; 15600 if (!deleteAllUsers) { 15601 returnCode = deletePackageX(packageName, userId, deleteFlags); 15602 } else { 15603 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15604 // If nobody is blocking uninstall, proceed with delete for all users 15605 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15606 returnCode = deletePackageX(packageName, userId, deleteFlags); 15607 } else { 15608 // Otherwise uninstall individually for users with blockUninstalls=false 15609 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15610 for (int userId : users) { 15611 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15612 returnCode = deletePackageX(packageName, userId, userFlags); 15613 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15614 Slog.w(TAG, "Package delete failed for user " + userId 15615 + ", returnCode " + returnCode); 15616 } 15617 } 15618 } 15619 // The app has only been marked uninstalled for certain users. 15620 // We still need to report that delete was blocked 15621 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15622 } 15623 } 15624 try { 15625 observer.onPackageDeleted(packageName, returnCode, null); 15626 } catch (RemoteException e) { 15627 Log.i(TAG, "Observer no longer exists."); 15628 } //end catch 15629 } //end run 15630 }); 15631 } 15632 15633 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 15634 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 15635 || callingUid == Process.SYSTEM_UID) { 15636 return true; 15637 } 15638 final int callingUserId = UserHandle.getUserId(callingUid); 15639 // If the caller installed the pkgName, then allow it to silently uninstall. 15640 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 15641 return true; 15642 } 15643 15644 // Allow package verifier to silently uninstall. 15645 if (mRequiredVerifierPackage != null && 15646 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 15647 return true; 15648 } 15649 15650 // Allow package uninstaller to silently uninstall. 15651 if (mRequiredUninstallerPackage != null && 15652 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 15653 return true; 15654 } 15655 15656 // Allow storage manager to silently uninstall. 15657 if (mStorageManagerPackage != null && 15658 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 15659 return true; 15660 } 15661 return false; 15662 } 15663 15664 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15665 int[] result = EMPTY_INT_ARRAY; 15666 for (int userId : userIds) { 15667 if (getBlockUninstallForUser(packageName, userId)) { 15668 result = ArrayUtils.appendInt(result, userId); 15669 } 15670 } 15671 return result; 15672 } 15673 15674 @Override 15675 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15676 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15677 } 15678 15679 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15680 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15681 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15682 try { 15683 if (dpm != null) { 15684 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15685 /* callingUserOnly =*/ false); 15686 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15687 : deviceOwnerComponentName.getPackageName(); 15688 // Does the package contains the device owner? 15689 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15690 // this check is probably not needed, since DO should be registered as a device 15691 // admin on some user too. (Original bug for this: b/17657954) 15692 if (packageName.equals(deviceOwnerPackageName)) { 15693 return true; 15694 } 15695 // Does it contain a device admin for any user? 15696 int[] users; 15697 if (userId == UserHandle.USER_ALL) { 15698 users = sUserManager.getUserIds(); 15699 } else { 15700 users = new int[]{userId}; 15701 } 15702 for (int i = 0; i < users.length; ++i) { 15703 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15704 return true; 15705 } 15706 } 15707 } 15708 } catch (RemoteException e) { 15709 } 15710 return false; 15711 } 15712 15713 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15714 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15715 } 15716 15717 /** 15718 * This method is an internal method that could be get invoked either 15719 * to delete an installed package or to clean up a failed installation. 15720 * After deleting an installed package, a broadcast is sent to notify any 15721 * listeners that the package has been removed. For cleaning up a failed 15722 * installation, the broadcast is not necessary since the package's 15723 * installation wouldn't have sent the initial broadcast either 15724 * The key steps in deleting a package are 15725 * deleting the package information in internal structures like mPackages, 15726 * deleting the packages base directories through installd 15727 * updating mSettings to reflect current status 15728 * persisting settings for later use 15729 * sending a broadcast if necessary 15730 */ 15731 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15732 final PackageRemovedInfo info = new PackageRemovedInfo(); 15733 final boolean res; 15734 15735 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15736 ? UserHandle.USER_ALL : userId; 15737 15738 if (isPackageDeviceAdmin(packageName, removeUser)) { 15739 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15740 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15741 } 15742 15743 PackageSetting uninstalledPs = null; 15744 15745 // for the uninstall-updates case and restricted profiles, remember the per- 15746 // user handle installed state 15747 int[] allUsers; 15748 synchronized (mPackages) { 15749 uninstalledPs = mSettings.mPackages.get(packageName); 15750 if (uninstalledPs == null) { 15751 Slog.w(TAG, "Not removing non-existent package " + packageName); 15752 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15753 } 15754 allUsers = sUserManager.getUserIds(); 15755 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15756 } 15757 15758 final int freezeUser; 15759 if (isUpdatedSystemApp(uninstalledPs) 15760 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15761 // We're downgrading a system app, which will apply to all users, so 15762 // freeze them all during the downgrade 15763 freezeUser = UserHandle.USER_ALL; 15764 } else { 15765 freezeUser = removeUser; 15766 } 15767 15768 synchronized (mInstallLock) { 15769 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15770 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15771 deleteFlags, "deletePackageX")) { 15772 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15773 deleteFlags | REMOVE_CHATTY, info, true, null); 15774 } 15775 synchronized (mPackages) { 15776 if (res) { 15777 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15778 } 15779 } 15780 } 15781 15782 if (res) { 15783 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15784 info.sendPackageRemovedBroadcasts(killApp); 15785 info.sendSystemPackageUpdatedBroadcasts(); 15786 info.sendSystemPackageAppearedBroadcasts(); 15787 } 15788 // Force a gc here. 15789 Runtime.getRuntime().gc(); 15790 // Delete the resources here after sending the broadcast to let 15791 // other processes clean up before deleting resources. 15792 if (info.args != null) { 15793 synchronized (mInstallLock) { 15794 info.args.doPostDeleteLI(true); 15795 } 15796 } 15797 15798 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15799 } 15800 15801 class PackageRemovedInfo { 15802 String removedPackage; 15803 int uid = -1; 15804 int removedAppId = -1; 15805 int[] origUsers; 15806 int[] removedUsers = null; 15807 boolean isRemovedPackageSystemUpdate = false; 15808 boolean isUpdate; 15809 boolean dataRemoved; 15810 boolean removedForAllUsers; 15811 // Clean up resources deleted packages. 15812 InstallArgs args = null; 15813 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15814 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15815 15816 void sendPackageRemovedBroadcasts(boolean killApp) { 15817 sendPackageRemovedBroadcastInternal(killApp); 15818 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15819 for (int i = 0; i < childCount; i++) { 15820 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15821 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15822 } 15823 } 15824 15825 void sendSystemPackageUpdatedBroadcasts() { 15826 if (isRemovedPackageSystemUpdate) { 15827 sendSystemPackageUpdatedBroadcastsInternal(); 15828 final int childCount = (removedChildPackages != null) 15829 ? removedChildPackages.size() : 0; 15830 for (int i = 0; i < childCount; i++) { 15831 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15832 if (childInfo.isRemovedPackageSystemUpdate) { 15833 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15834 } 15835 } 15836 } 15837 } 15838 15839 void sendSystemPackageAppearedBroadcasts() { 15840 final int packageCount = (appearedChildPackages != null) 15841 ? appearedChildPackages.size() : 0; 15842 for (int i = 0; i < packageCount; i++) { 15843 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15844 for (int userId : installedInfo.newUsers) { 15845 sendPackageAddedForUser(installedInfo.name, true, 15846 UserHandle.getAppId(installedInfo.uid), userId); 15847 } 15848 } 15849 } 15850 15851 private void sendSystemPackageUpdatedBroadcastsInternal() { 15852 Bundle extras = new Bundle(2); 15853 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15854 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15855 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15856 extras, 0, null, null, null); 15857 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15858 extras, 0, null, null, null); 15859 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15860 null, 0, removedPackage, null, null); 15861 } 15862 15863 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15864 Bundle extras = new Bundle(2); 15865 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15866 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15867 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15868 if (isUpdate || isRemovedPackageSystemUpdate) { 15869 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15870 } 15871 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15872 if (removedPackage != null) { 15873 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15874 extras, 0, null, null, removedUsers); 15875 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15876 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15877 removedPackage, extras, 0, null, null, removedUsers); 15878 } 15879 } 15880 if (removedAppId >= 0) { 15881 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15882 removedUsers); 15883 } 15884 } 15885 } 15886 15887 /* 15888 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15889 * flag is not set, the data directory is removed as well. 15890 * make sure this flag is set for partially installed apps. If not its meaningless to 15891 * delete a partially installed application. 15892 */ 15893 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15894 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15895 String packageName = ps.name; 15896 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15897 // Retrieve object to delete permissions for shared user later on 15898 final PackageParser.Package deletedPkg; 15899 final PackageSetting deletedPs; 15900 // reader 15901 synchronized (mPackages) { 15902 deletedPkg = mPackages.get(packageName); 15903 deletedPs = mSettings.mPackages.get(packageName); 15904 if (outInfo != null) { 15905 outInfo.removedPackage = packageName; 15906 outInfo.removedUsers = deletedPs != null 15907 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15908 : null; 15909 } 15910 } 15911 15912 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15913 15914 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15915 final PackageParser.Package resolvedPkg; 15916 if (deletedPkg != null) { 15917 resolvedPkg = deletedPkg; 15918 } else { 15919 // We don't have a parsed package when it lives on an ejected 15920 // adopted storage device, so fake something together 15921 resolvedPkg = new PackageParser.Package(ps.name); 15922 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15923 } 15924 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15925 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15926 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15927 if (outInfo != null) { 15928 outInfo.dataRemoved = true; 15929 } 15930 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15931 } 15932 15933 // writer 15934 synchronized (mPackages) { 15935 if (deletedPs != null) { 15936 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15937 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15938 clearDefaultBrowserIfNeeded(packageName); 15939 if (outInfo != null) { 15940 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15941 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15942 } 15943 updatePermissionsLPw(deletedPs.name, null, 0); 15944 if (deletedPs.sharedUser != null) { 15945 // Remove permissions associated with package. Since runtime 15946 // permissions are per user we have to kill the removed package 15947 // or packages running under the shared user of the removed 15948 // package if revoking the permissions requested only by the removed 15949 // package is successful and this causes a change in gids. 15950 for (int userId : UserManagerService.getInstance().getUserIds()) { 15951 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15952 userId); 15953 if (userIdToKill == UserHandle.USER_ALL 15954 || userIdToKill >= UserHandle.USER_SYSTEM) { 15955 // If gids changed for this user, kill all affected packages. 15956 mHandler.post(new Runnable() { 15957 @Override 15958 public void run() { 15959 // This has to happen with no lock held. 15960 killApplication(deletedPs.name, deletedPs.appId, 15961 KILL_APP_REASON_GIDS_CHANGED); 15962 } 15963 }); 15964 break; 15965 } 15966 } 15967 } 15968 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15969 } 15970 // make sure to preserve per-user disabled state if this removal was just 15971 // a downgrade of a system app to the factory package 15972 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15973 if (DEBUG_REMOVE) { 15974 Slog.d(TAG, "Propagating install state across downgrade"); 15975 } 15976 for (int userId : allUserHandles) { 15977 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15978 if (DEBUG_REMOVE) { 15979 Slog.d(TAG, " user " + userId + " => " + installed); 15980 } 15981 ps.setInstalled(installed, userId); 15982 } 15983 } 15984 } 15985 // can downgrade to reader 15986 if (writeSettings) { 15987 // Save settings now 15988 mSettings.writeLPr(); 15989 } 15990 } 15991 if (outInfo != null) { 15992 // A user ID was deleted here. Go through all users and remove it 15993 // from KeyStore. 15994 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15995 } 15996 } 15997 15998 static boolean locationIsPrivileged(File path) { 15999 try { 16000 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 16001 .getCanonicalPath(); 16002 return path.getCanonicalPath().startsWith(privilegedAppDir); 16003 } catch (IOException e) { 16004 Slog.e(TAG, "Unable to access code path " + path); 16005 } 16006 return false; 16007 } 16008 16009 /* 16010 * Tries to delete system package. 16011 */ 16012 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 16013 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 16014 boolean writeSettings) { 16015 if (deletedPs.parentPackageName != null) { 16016 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 16017 return false; 16018 } 16019 16020 final boolean applyUserRestrictions 16021 = (allUserHandles != null) && (outInfo.origUsers != null); 16022 final PackageSetting disabledPs; 16023 // Confirm if the system package has been updated 16024 // An updated system app can be deleted. This will also have to restore 16025 // the system pkg from system partition 16026 // reader 16027 synchronized (mPackages) { 16028 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 16029 } 16030 16031 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 16032 + " disabledPs=" + disabledPs); 16033 16034 if (disabledPs == null) { 16035 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 16036 return false; 16037 } else if (DEBUG_REMOVE) { 16038 Slog.d(TAG, "Deleting system pkg from data partition"); 16039 } 16040 16041 if (DEBUG_REMOVE) { 16042 if (applyUserRestrictions) { 16043 Slog.d(TAG, "Remembering install states:"); 16044 for (int userId : allUserHandles) { 16045 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 16046 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 16047 } 16048 } 16049 } 16050 16051 // Delete the updated package 16052 outInfo.isRemovedPackageSystemUpdate = true; 16053 if (outInfo.removedChildPackages != null) { 16054 final int childCount = (deletedPs.childPackageNames != null) 16055 ? deletedPs.childPackageNames.size() : 0; 16056 for (int i = 0; i < childCount; i++) { 16057 String childPackageName = deletedPs.childPackageNames.get(i); 16058 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 16059 .contains(childPackageName)) { 16060 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16061 childPackageName); 16062 if (childInfo != null) { 16063 childInfo.isRemovedPackageSystemUpdate = true; 16064 } 16065 } 16066 } 16067 } 16068 16069 if (disabledPs.versionCode < deletedPs.versionCode) { 16070 // Delete data for downgrades 16071 flags &= ~PackageManager.DELETE_KEEP_DATA; 16072 } else { 16073 // Preserve data by setting flag 16074 flags |= PackageManager.DELETE_KEEP_DATA; 16075 } 16076 16077 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 16078 outInfo, writeSettings, disabledPs.pkg); 16079 if (!ret) { 16080 return false; 16081 } 16082 16083 // writer 16084 synchronized (mPackages) { 16085 // Reinstate the old system package 16086 enableSystemPackageLPw(disabledPs.pkg); 16087 // Remove any native libraries from the upgraded package. 16088 removeNativeBinariesLI(deletedPs); 16089 } 16090 16091 // Install the system package 16092 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 16093 int parseFlags = mDefParseFlags 16094 | PackageParser.PARSE_MUST_BE_APK 16095 | PackageParser.PARSE_IS_SYSTEM 16096 | PackageParser.PARSE_IS_SYSTEM_DIR; 16097 if (locationIsPrivileged(disabledPs.codePath)) { 16098 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16099 } 16100 16101 final PackageParser.Package newPkg; 16102 try { 16103 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 16104 } catch (PackageManagerException e) { 16105 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16106 + e.getMessage()); 16107 return false; 16108 } 16109 try { 16110 // update shared libraries for the newly re-installed system package 16111 updateSharedLibrariesLPw(newPkg, null); 16112 } catch (PackageManagerException e) { 16113 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16114 } 16115 16116 prepareAppDataAfterInstallLIF(newPkg); 16117 16118 // writer 16119 synchronized (mPackages) { 16120 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16121 16122 // Propagate the permissions state as we do not want to drop on the floor 16123 // runtime permissions. The update permissions method below will take 16124 // care of removing obsolete permissions and grant install permissions. 16125 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16126 updatePermissionsLPw(newPkg.packageName, newPkg, 16127 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16128 16129 if (applyUserRestrictions) { 16130 if (DEBUG_REMOVE) { 16131 Slog.d(TAG, "Propagating install state across reinstall"); 16132 } 16133 for (int userId : allUserHandles) { 16134 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16135 if (DEBUG_REMOVE) { 16136 Slog.d(TAG, " user " + userId + " => " + installed); 16137 } 16138 ps.setInstalled(installed, userId); 16139 16140 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16141 } 16142 // Regardless of writeSettings we need to ensure that this restriction 16143 // state propagation is persisted 16144 mSettings.writeAllUsersPackageRestrictionsLPr(); 16145 } 16146 // can downgrade to reader here 16147 if (writeSettings) { 16148 mSettings.writeLPr(); 16149 } 16150 } 16151 return true; 16152 } 16153 16154 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16155 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16156 PackageRemovedInfo outInfo, boolean writeSettings, 16157 PackageParser.Package replacingPackage) { 16158 synchronized (mPackages) { 16159 if (outInfo != null) { 16160 outInfo.uid = ps.appId; 16161 } 16162 16163 if (outInfo != null && outInfo.removedChildPackages != null) { 16164 final int childCount = (ps.childPackageNames != null) 16165 ? ps.childPackageNames.size() : 0; 16166 for (int i = 0; i < childCount; i++) { 16167 String childPackageName = ps.childPackageNames.get(i); 16168 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16169 if (childPs == null) { 16170 return false; 16171 } 16172 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16173 childPackageName); 16174 if (childInfo != null) { 16175 childInfo.uid = childPs.appId; 16176 } 16177 } 16178 } 16179 } 16180 16181 // Delete package data from internal structures and also remove data if flag is set 16182 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16183 16184 // Delete the child packages data 16185 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16186 for (int i = 0; i < childCount; i++) { 16187 PackageSetting childPs; 16188 synchronized (mPackages) { 16189 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16190 } 16191 if (childPs != null) { 16192 PackageRemovedInfo childOutInfo = (outInfo != null 16193 && outInfo.removedChildPackages != null) 16194 ? outInfo.removedChildPackages.get(childPs.name) : null; 16195 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16196 && (replacingPackage != null 16197 && !replacingPackage.hasChildPackage(childPs.name)) 16198 ? flags & ~DELETE_KEEP_DATA : flags; 16199 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16200 deleteFlags, writeSettings); 16201 } 16202 } 16203 16204 // Delete application code and resources only for parent packages 16205 if (ps.parentPackageName == null) { 16206 if (deleteCodeAndResources && (outInfo != null)) { 16207 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16208 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16209 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16210 } 16211 } 16212 16213 return true; 16214 } 16215 16216 @Override 16217 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16218 int userId) { 16219 mContext.enforceCallingOrSelfPermission( 16220 android.Manifest.permission.DELETE_PACKAGES, null); 16221 synchronized (mPackages) { 16222 PackageSetting ps = mSettings.mPackages.get(packageName); 16223 if (ps == null) { 16224 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16225 return false; 16226 } 16227 if (!ps.getInstalled(userId)) { 16228 // Can't block uninstall for an app that is not installed or enabled. 16229 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16230 return false; 16231 } 16232 ps.setBlockUninstall(blockUninstall, userId); 16233 mSettings.writePackageRestrictionsLPr(userId); 16234 } 16235 return true; 16236 } 16237 16238 @Override 16239 public boolean getBlockUninstallForUser(String packageName, int userId) { 16240 synchronized (mPackages) { 16241 PackageSetting ps = mSettings.mPackages.get(packageName); 16242 if (ps == null) { 16243 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16244 return false; 16245 } 16246 return ps.getBlockUninstall(userId); 16247 } 16248 } 16249 16250 @Override 16251 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16252 int callingUid = Binder.getCallingUid(); 16253 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16254 throw new SecurityException( 16255 "setRequiredForSystemUser can only be run by the system or root"); 16256 } 16257 synchronized (mPackages) { 16258 PackageSetting ps = mSettings.mPackages.get(packageName); 16259 if (ps == null) { 16260 Log.w(TAG, "Package doesn't exist: " + packageName); 16261 return false; 16262 } 16263 if (systemUserApp) { 16264 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16265 } else { 16266 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16267 } 16268 mSettings.writeLPr(); 16269 } 16270 return true; 16271 } 16272 16273 /* 16274 * This method handles package deletion in general 16275 */ 16276 private boolean deletePackageLIF(String packageName, UserHandle user, 16277 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16278 PackageRemovedInfo outInfo, boolean writeSettings, 16279 PackageParser.Package replacingPackage) { 16280 if (packageName == null) { 16281 Slog.w(TAG, "Attempt to delete null packageName."); 16282 return false; 16283 } 16284 16285 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16286 16287 PackageSetting ps; 16288 16289 synchronized (mPackages) { 16290 ps = mSettings.mPackages.get(packageName); 16291 if (ps == null) { 16292 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16293 return false; 16294 } 16295 16296 if (ps.parentPackageName != null && (!isSystemApp(ps) 16297 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16298 if (DEBUG_REMOVE) { 16299 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16300 + ((user == null) ? UserHandle.USER_ALL : user)); 16301 } 16302 final int removedUserId = (user != null) ? user.getIdentifier() 16303 : UserHandle.USER_ALL; 16304 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16305 return false; 16306 } 16307 markPackageUninstalledForUserLPw(ps, user); 16308 scheduleWritePackageRestrictionsLocked(user); 16309 return true; 16310 } 16311 } 16312 16313 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16314 && user.getIdentifier() != UserHandle.USER_ALL)) { 16315 // The caller is asking that the package only be deleted for a single 16316 // user. To do this, we just mark its uninstalled state and delete 16317 // its data. If this is a system app, we only allow this to happen if 16318 // they have set the special DELETE_SYSTEM_APP which requests different 16319 // semantics than normal for uninstalling system apps. 16320 markPackageUninstalledForUserLPw(ps, user); 16321 16322 if (!isSystemApp(ps)) { 16323 // Do not uninstall the APK if an app should be cached 16324 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16325 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16326 // Other user still have this package installed, so all 16327 // we need to do is clear this user's data and save that 16328 // it is uninstalled. 16329 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16330 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16331 return false; 16332 } 16333 scheduleWritePackageRestrictionsLocked(user); 16334 return true; 16335 } else { 16336 // We need to set it back to 'installed' so the uninstall 16337 // broadcasts will be sent correctly. 16338 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16339 ps.setInstalled(true, user.getIdentifier()); 16340 } 16341 } else { 16342 // This is a system app, so we assume that the 16343 // other users still have this package installed, so all 16344 // we need to do is clear this user's data and save that 16345 // it is uninstalled. 16346 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16347 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16348 return false; 16349 } 16350 scheduleWritePackageRestrictionsLocked(user); 16351 return true; 16352 } 16353 } 16354 16355 // If we are deleting a composite package for all users, keep track 16356 // of result for each child. 16357 if (ps.childPackageNames != null && outInfo != null) { 16358 synchronized (mPackages) { 16359 final int childCount = ps.childPackageNames.size(); 16360 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16361 for (int i = 0; i < childCount; i++) { 16362 String childPackageName = ps.childPackageNames.get(i); 16363 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16364 childInfo.removedPackage = childPackageName; 16365 outInfo.removedChildPackages.put(childPackageName, childInfo); 16366 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16367 if (childPs != null) { 16368 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16369 } 16370 } 16371 } 16372 } 16373 16374 boolean ret = false; 16375 if (isSystemApp(ps)) { 16376 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16377 // When an updated system application is deleted we delete the existing resources 16378 // as well and fall back to existing code in system partition 16379 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16380 } else { 16381 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16382 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16383 outInfo, writeSettings, replacingPackage); 16384 } 16385 16386 // Take a note whether we deleted the package for all users 16387 if (outInfo != null) { 16388 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16389 if (outInfo.removedChildPackages != null) { 16390 synchronized (mPackages) { 16391 final int childCount = outInfo.removedChildPackages.size(); 16392 for (int i = 0; i < childCount; i++) { 16393 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16394 if (childInfo != null) { 16395 childInfo.removedForAllUsers = mPackages.get( 16396 childInfo.removedPackage) == null; 16397 } 16398 } 16399 } 16400 } 16401 // If we uninstalled an update to a system app there may be some 16402 // child packages that appeared as they are declared in the system 16403 // app but were not declared in the update. 16404 if (isSystemApp(ps)) { 16405 synchronized (mPackages) { 16406 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16407 final int childCount = (updatedPs.childPackageNames != null) 16408 ? updatedPs.childPackageNames.size() : 0; 16409 for (int i = 0; i < childCount; i++) { 16410 String childPackageName = updatedPs.childPackageNames.get(i); 16411 if (outInfo.removedChildPackages == null 16412 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16413 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16414 if (childPs == null) { 16415 continue; 16416 } 16417 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16418 installRes.name = childPackageName; 16419 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16420 installRes.pkg = mPackages.get(childPackageName); 16421 installRes.uid = childPs.pkg.applicationInfo.uid; 16422 if (outInfo.appearedChildPackages == null) { 16423 outInfo.appearedChildPackages = new ArrayMap<>(); 16424 } 16425 outInfo.appearedChildPackages.put(childPackageName, installRes); 16426 } 16427 } 16428 } 16429 } 16430 } 16431 16432 return ret; 16433 } 16434 16435 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16436 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16437 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16438 for (int nextUserId : userIds) { 16439 if (DEBUG_REMOVE) { 16440 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16441 } 16442 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16443 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16444 false /*hidden*/, false /*suspended*/, null, null, null, 16445 false /*blockUninstall*/, 16446 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16447 } 16448 } 16449 16450 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16451 PackageRemovedInfo outInfo) { 16452 final PackageParser.Package pkg; 16453 synchronized (mPackages) { 16454 pkg = mPackages.get(ps.name); 16455 } 16456 16457 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16458 : new int[] {userId}; 16459 for (int nextUserId : userIds) { 16460 if (DEBUG_REMOVE) { 16461 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16462 + nextUserId); 16463 } 16464 16465 destroyAppDataLIF(pkg, userId, 16466 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16467 destroyAppProfilesLIF(pkg, userId); 16468 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16469 schedulePackageCleaning(ps.name, nextUserId, false); 16470 synchronized (mPackages) { 16471 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16472 scheduleWritePackageRestrictionsLocked(nextUserId); 16473 } 16474 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16475 } 16476 } 16477 16478 if (outInfo != null) { 16479 outInfo.removedPackage = ps.name; 16480 outInfo.removedAppId = ps.appId; 16481 outInfo.removedUsers = userIds; 16482 } 16483 16484 return true; 16485 } 16486 16487 private final class ClearStorageConnection implements ServiceConnection { 16488 IMediaContainerService mContainerService; 16489 16490 @Override 16491 public void onServiceConnected(ComponentName name, IBinder service) { 16492 synchronized (this) { 16493 mContainerService = IMediaContainerService.Stub.asInterface(service); 16494 notifyAll(); 16495 } 16496 } 16497 16498 @Override 16499 public void onServiceDisconnected(ComponentName name) { 16500 } 16501 } 16502 16503 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16504 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16505 16506 final boolean mounted; 16507 if (Environment.isExternalStorageEmulated()) { 16508 mounted = true; 16509 } else { 16510 final String status = Environment.getExternalStorageState(); 16511 16512 mounted = status.equals(Environment.MEDIA_MOUNTED) 16513 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16514 } 16515 16516 if (!mounted) { 16517 return; 16518 } 16519 16520 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16521 int[] users; 16522 if (userId == UserHandle.USER_ALL) { 16523 users = sUserManager.getUserIds(); 16524 } else { 16525 users = new int[] { userId }; 16526 } 16527 final ClearStorageConnection conn = new ClearStorageConnection(); 16528 if (mContext.bindServiceAsUser( 16529 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16530 try { 16531 for (int curUser : users) { 16532 long timeout = SystemClock.uptimeMillis() + 5000; 16533 synchronized (conn) { 16534 long now; 16535 while (conn.mContainerService == null && 16536 (now = SystemClock.uptimeMillis()) < timeout) { 16537 try { 16538 conn.wait(timeout - now); 16539 } catch (InterruptedException e) { 16540 } 16541 } 16542 } 16543 if (conn.mContainerService == null) { 16544 return; 16545 } 16546 16547 final UserEnvironment userEnv = new UserEnvironment(curUser); 16548 clearDirectory(conn.mContainerService, 16549 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16550 if (allData) { 16551 clearDirectory(conn.mContainerService, 16552 userEnv.buildExternalStorageAppDataDirs(packageName)); 16553 clearDirectory(conn.mContainerService, 16554 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16555 } 16556 } 16557 } finally { 16558 mContext.unbindService(conn); 16559 } 16560 } 16561 } 16562 16563 @Override 16564 public void clearApplicationProfileData(String packageName) { 16565 enforceSystemOrRoot("Only the system can clear all profile data"); 16566 16567 final PackageParser.Package pkg; 16568 synchronized (mPackages) { 16569 pkg = mPackages.get(packageName); 16570 } 16571 16572 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16573 synchronized (mInstallLock) { 16574 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16575 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16576 true /* removeBaseMarker */); 16577 } 16578 } 16579 } 16580 16581 @Override 16582 public void clearApplicationUserData(final String packageName, 16583 final IPackageDataObserver observer, final int userId) { 16584 mContext.enforceCallingOrSelfPermission( 16585 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16586 16587 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16588 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16589 16590 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16591 throw new SecurityException("Cannot clear data for a protected package: " 16592 + packageName); 16593 } 16594 // Queue up an async operation since the package deletion may take a little while. 16595 mHandler.post(new Runnable() { 16596 public void run() { 16597 mHandler.removeCallbacks(this); 16598 final boolean succeeded; 16599 try (PackageFreezer freezer = freezePackage(packageName, 16600 "clearApplicationUserData")) { 16601 synchronized (mInstallLock) { 16602 succeeded = clearApplicationUserDataLIF(packageName, userId); 16603 } 16604 clearExternalStorageDataSync(packageName, userId, true); 16605 } 16606 if (succeeded) { 16607 // invoke DeviceStorageMonitor's update method to clear any notifications 16608 DeviceStorageMonitorInternal dsm = LocalServices 16609 .getService(DeviceStorageMonitorInternal.class); 16610 if (dsm != null) { 16611 dsm.checkMemory(); 16612 } 16613 } 16614 if(observer != null) { 16615 try { 16616 observer.onRemoveCompleted(packageName, succeeded); 16617 } catch (RemoteException e) { 16618 Log.i(TAG, "Observer no longer exists."); 16619 } 16620 } //end if observer 16621 } //end run 16622 }); 16623 } 16624 16625 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16626 if (packageName == null) { 16627 Slog.w(TAG, "Attempt to delete null packageName."); 16628 return false; 16629 } 16630 16631 // Try finding details about the requested package 16632 PackageParser.Package pkg; 16633 synchronized (mPackages) { 16634 pkg = mPackages.get(packageName); 16635 if (pkg == null) { 16636 final PackageSetting ps = mSettings.mPackages.get(packageName); 16637 if (ps != null) { 16638 pkg = ps.pkg; 16639 } 16640 } 16641 16642 if (pkg == null) { 16643 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16644 return false; 16645 } 16646 16647 PackageSetting ps = (PackageSetting) pkg.mExtras; 16648 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16649 } 16650 16651 clearAppDataLIF(pkg, userId, 16652 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16653 16654 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16655 removeKeystoreDataIfNeeded(userId, appId); 16656 16657 UserManagerInternal umInternal = getUserManagerInternal(); 16658 final int flags; 16659 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16660 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16661 } else if (umInternal.isUserRunning(userId)) { 16662 flags = StorageManager.FLAG_STORAGE_DE; 16663 } else { 16664 flags = 0; 16665 } 16666 prepareAppDataContentsLIF(pkg, userId, flags); 16667 16668 return true; 16669 } 16670 16671 /** 16672 * Reverts user permission state changes (permissions and flags) in 16673 * all packages for a given user. 16674 * 16675 * @param userId The device user for which to do a reset. 16676 */ 16677 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16678 final int packageCount = mPackages.size(); 16679 for (int i = 0; i < packageCount; i++) { 16680 PackageParser.Package pkg = mPackages.valueAt(i); 16681 PackageSetting ps = (PackageSetting) pkg.mExtras; 16682 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16683 } 16684 } 16685 16686 private void resetNetworkPolicies(int userId) { 16687 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16688 } 16689 16690 /** 16691 * Reverts user permission state changes (permissions and flags). 16692 * 16693 * @param ps The package for which to reset. 16694 * @param userId The device user for which to do a reset. 16695 */ 16696 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16697 final PackageSetting ps, final int userId) { 16698 if (ps.pkg == null) { 16699 return; 16700 } 16701 16702 // These are flags that can change base on user actions. 16703 final int userSettableMask = FLAG_PERMISSION_USER_SET 16704 | FLAG_PERMISSION_USER_FIXED 16705 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16706 | FLAG_PERMISSION_REVIEW_REQUIRED; 16707 16708 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16709 | FLAG_PERMISSION_POLICY_FIXED; 16710 16711 boolean writeInstallPermissions = false; 16712 boolean writeRuntimePermissions = false; 16713 16714 final int permissionCount = ps.pkg.requestedPermissions.size(); 16715 for (int i = 0; i < permissionCount; i++) { 16716 String permission = ps.pkg.requestedPermissions.get(i); 16717 16718 BasePermission bp = mSettings.mPermissions.get(permission); 16719 if (bp == null) { 16720 continue; 16721 } 16722 16723 // If shared user we just reset the state to which only this app contributed. 16724 if (ps.sharedUser != null) { 16725 boolean used = false; 16726 final int packageCount = ps.sharedUser.packages.size(); 16727 for (int j = 0; j < packageCount; j++) { 16728 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16729 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16730 && pkg.pkg.requestedPermissions.contains(permission)) { 16731 used = true; 16732 break; 16733 } 16734 } 16735 if (used) { 16736 continue; 16737 } 16738 } 16739 16740 PermissionsState permissionsState = ps.getPermissionsState(); 16741 16742 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16743 16744 // Always clear the user settable flags. 16745 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16746 bp.name) != null; 16747 // If permission review is enabled and this is a legacy app, mark the 16748 // permission as requiring a review as this is the initial state. 16749 int flags = 0; 16750 if ((mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) 16751 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16752 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16753 } 16754 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16755 if (hasInstallState) { 16756 writeInstallPermissions = true; 16757 } else { 16758 writeRuntimePermissions = true; 16759 } 16760 } 16761 16762 // Below is only runtime permission handling. 16763 if (!bp.isRuntime()) { 16764 continue; 16765 } 16766 16767 // Never clobber system or policy. 16768 if ((oldFlags & policyOrSystemFlags) != 0) { 16769 continue; 16770 } 16771 16772 // If this permission was granted by default, make sure it is. 16773 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16774 if (permissionsState.grantRuntimePermission(bp, userId) 16775 != PERMISSION_OPERATION_FAILURE) { 16776 writeRuntimePermissions = true; 16777 } 16778 // If permission review is enabled the permissions for a legacy apps 16779 // are represented as constantly granted runtime ones, so don't revoke. 16780 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16781 // Otherwise, reset the permission. 16782 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16783 switch (revokeResult) { 16784 case PERMISSION_OPERATION_SUCCESS: 16785 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16786 writeRuntimePermissions = true; 16787 final int appId = ps.appId; 16788 mHandler.post(new Runnable() { 16789 @Override 16790 public void run() { 16791 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16792 } 16793 }); 16794 } break; 16795 } 16796 } 16797 } 16798 16799 // Synchronously write as we are taking permissions away. 16800 if (writeRuntimePermissions) { 16801 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16802 } 16803 16804 // Synchronously write as we are taking permissions away. 16805 if (writeInstallPermissions) { 16806 mSettings.writeLPr(); 16807 } 16808 } 16809 16810 /** 16811 * Remove entries from the keystore daemon. Will only remove it if the 16812 * {@code appId} is valid. 16813 */ 16814 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16815 if (appId < 0) { 16816 return; 16817 } 16818 16819 final KeyStore keyStore = KeyStore.getInstance(); 16820 if (keyStore != null) { 16821 if (userId == UserHandle.USER_ALL) { 16822 for (final int individual : sUserManager.getUserIds()) { 16823 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16824 } 16825 } else { 16826 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16827 } 16828 } else { 16829 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16830 } 16831 } 16832 16833 @Override 16834 public void deleteApplicationCacheFiles(final String packageName, 16835 final IPackageDataObserver observer) { 16836 final int userId = UserHandle.getCallingUserId(); 16837 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16838 } 16839 16840 @Override 16841 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16842 final IPackageDataObserver observer) { 16843 mContext.enforceCallingOrSelfPermission( 16844 android.Manifest.permission.DELETE_CACHE_FILES, null); 16845 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16846 /* requireFullPermission= */ true, /* checkShell= */ false, 16847 "delete application cache files"); 16848 16849 final PackageParser.Package pkg; 16850 synchronized (mPackages) { 16851 pkg = mPackages.get(packageName); 16852 } 16853 16854 // Queue up an async operation since the package deletion may take a little while. 16855 mHandler.post(new Runnable() { 16856 public void run() { 16857 synchronized (mInstallLock) { 16858 final int flags = StorageManager.FLAG_STORAGE_DE 16859 | StorageManager.FLAG_STORAGE_CE; 16860 // We're only clearing cache files, so we don't care if the 16861 // app is unfrozen and still able to run 16862 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16863 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16864 } 16865 clearExternalStorageDataSync(packageName, userId, false); 16866 if (observer != null) { 16867 try { 16868 observer.onRemoveCompleted(packageName, true); 16869 } catch (RemoteException e) { 16870 Log.i(TAG, "Observer no longer exists."); 16871 } 16872 } 16873 } 16874 }); 16875 } 16876 16877 @Override 16878 public void getPackageSizeInfo(final String packageName, int userHandle, 16879 final IPackageStatsObserver observer) { 16880 mContext.enforceCallingOrSelfPermission( 16881 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16882 if (packageName == null) { 16883 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16884 } 16885 16886 PackageStats stats = new PackageStats(packageName, userHandle); 16887 16888 /* 16889 * Queue up an async operation since the package measurement may take a 16890 * little while. 16891 */ 16892 Message msg = mHandler.obtainMessage(INIT_COPY); 16893 msg.obj = new MeasureParams(stats, observer); 16894 mHandler.sendMessage(msg); 16895 } 16896 16897 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16898 final PackageSetting ps; 16899 synchronized (mPackages) { 16900 ps = mSettings.mPackages.get(packageName); 16901 if (ps == null) { 16902 Slog.w(TAG, "Failed to find settings for " + packageName); 16903 return false; 16904 } 16905 } 16906 try { 16907 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16908 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16909 ps.getCeDataInode(userId), ps.codePathString, stats); 16910 } catch (InstallerException e) { 16911 Slog.w(TAG, String.valueOf(e)); 16912 return false; 16913 } 16914 16915 // For now, ignore code size of packages on system partition 16916 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16917 stats.codeSize = 0; 16918 } 16919 16920 return true; 16921 } 16922 16923 private int getUidTargetSdkVersionLockedLPr(int uid) { 16924 Object obj = mSettings.getUserIdLPr(uid); 16925 if (obj instanceof SharedUserSetting) { 16926 final SharedUserSetting sus = (SharedUserSetting) obj; 16927 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16928 final Iterator<PackageSetting> it = sus.packages.iterator(); 16929 while (it.hasNext()) { 16930 final PackageSetting ps = it.next(); 16931 if (ps.pkg != null) { 16932 int v = ps.pkg.applicationInfo.targetSdkVersion; 16933 if (v < vers) vers = v; 16934 } 16935 } 16936 return vers; 16937 } else if (obj instanceof PackageSetting) { 16938 final PackageSetting ps = (PackageSetting) obj; 16939 if (ps.pkg != null) { 16940 return ps.pkg.applicationInfo.targetSdkVersion; 16941 } 16942 } 16943 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16944 } 16945 16946 @Override 16947 public void addPreferredActivity(IntentFilter filter, int match, 16948 ComponentName[] set, ComponentName activity, int userId) { 16949 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16950 "Adding preferred"); 16951 } 16952 16953 private void addPreferredActivityInternal(IntentFilter filter, int match, 16954 ComponentName[] set, ComponentName activity, boolean always, int userId, 16955 String opname) { 16956 // writer 16957 int callingUid = Binder.getCallingUid(); 16958 enforceCrossUserPermission(callingUid, userId, 16959 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16960 if (filter.countActions() == 0) { 16961 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16962 return; 16963 } 16964 synchronized (mPackages) { 16965 if (mContext.checkCallingOrSelfPermission( 16966 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16967 != PackageManager.PERMISSION_GRANTED) { 16968 if (getUidTargetSdkVersionLockedLPr(callingUid) 16969 < Build.VERSION_CODES.FROYO) { 16970 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16971 + callingUid); 16972 return; 16973 } 16974 mContext.enforceCallingOrSelfPermission( 16975 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16976 } 16977 16978 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16979 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16980 + userId + ":"); 16981 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16982 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16983 scheduleWritePackageRestrictionsLocked(userId); 16984 postPreferredActivityChangedBroadcast(userId); 16985 } 16986 } 16987 16988 private void postPreferredActivityChangedBroadcast(int userId) { 16989 mHandler.post(() -> { 16990 final IActivityManager am = ActivityManagerNative.getDefault(); 16991 if (am == null) { 16992 return; 16993 } 16994 16995 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 16996 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 16997 try { 16998 am.broadcastIntent(null, intent, null, null, 16999 0, null, null, null, android.app.AppOpsManager.OP_NONE, 17000 null, false, false, userId); 17001 } catch (RemoteException e) { 17002 } 17003 }); 17004 } 17005 17006 @Override 17007 public void replacePreferredActivity(IntentFilter filter, int match, 17008 ComponentName[] set, ComponentName activity, int userId) { 17009 if (filter.countActions() != 1) { 17010 throw new IllegalArgumentException( 17011 "replacePreferredActivity expects filter to have only 1 action."); 17012 } 17013 if (filter.countDataAuthorities() != 0 17014 || filter.countDataPaths() != 0 17015 || filter.countDataSchemes() > 1 17016 || filter.countDataTypes() != 0) { 17017 throw new IllegalArgumentException( 17018 "replacePreferredActivity expects filter to have no data authorities, " + 17019 "paths, or types; and at most one scheme."); 17020 } 17021 17022 final int callingUid = Binder.getCallingUid(); 17023 enforceCrossUserPermission(callingUid, userId, 17024 true /* requireFullPermission */, false /* checkShell */, 17025 "replace preferred activity"); 17026 synchronized (mPackages) { 17027 if (mContext.checkCallingOrSelfPermission( 17028 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17029 != PackageManager.PERMISSION_GRANTED) { 17030 if (getUidTargetSdkVersionLockedLPr(callingUid) 17031 < Build.VERSION_CODES.FROYO) { 17032 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 17033 + Binder.getCallingUid()); 17034 return; 17035 } 17036 mContext.enforceCallingOrSelfPermission( 17037 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17038 } 17039 17040 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17041 if (pir != null) { 17042 // Get all of the existing entries that exactly match this filter. 17043 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 17044 if (existing != null && existing.size() == 1) { 17045 PreferredActivity cur = existing.get(0); 17046 if (DEBUG_PREFERRED) { 17047 Slog.i(TAG, "Checking replace of preferred:"); 17048 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17049 if (!cur.mPref.mAlways) { 17050 Slog.i(TAG, " -- CUR; not mAlways!"); 17051 } else { 17052 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 17053 Slog.i(TAG, " -- CUR: mSet=" 17054 + Arrays.toString(cur.mPref.mSetComponents)); 17055 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 17056 Slog.i(TAG, " -- NEW: mMatch=" 17057 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 17058 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 17059 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 17060 } 17061 } 17062 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 17063 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 17064 && cur.mPref.sameSet(set)) { 17065 // Setting the preferred activity to what it happens to be already 17066 if (DEBUG_PREFERRED) { 17067 Slog.i(TAG, "Replacing with same preferred activity " 17068 + cur.mPref.mShortComponent + " for user " 17069 + userId + ":"); 17070 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17071 } 17072 return; 17073 } 17074 } 17075 17076 if (existing != null) { 17077 if (DEBUG_PREFERRED) { 17078 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 17079 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17080 } 17081 for (int i = 0; i < existing.size(); i++) { 17082 PreferredActivity pa = existing.get(i); 17083 if (DEBUG_PREFERRED) { 17084 Slog.i(TAG, "Removing existing preferred activity " 17085 + pa.mPref.mComponent + ":"); 17086 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 17087 } 17088 pir.removeFilter(pa); 17089 } 17090 } 17091 } 17092 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17093 "Replacing preferred"); 17094 } 17095 } 17096 17097 @Override 17098 public void clearPackagePreferredActivities(String packageName) { 17099 final int uid = Binder.getCallingUid(); 17100 // writer 17101 synchronized (mPackages) { 17102 PackageParser.Package pkg = mPackages.get(packageName); 17103 if (pkg == null || pkg.applicationInfo.uid != uid) { 17104 if (mContext.checkCallingOrSelfPermission( 17105 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17106 != PackageManager.PERMISSION_GRANTED) { 17107 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 17108 < Build.VERSION_CODES.FROYO) { 17109 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 17110 + Binder.getCallingUid()); 17111 return; 17112 } 17113 mContext.enforceCallingOrSelfPermission( 17114 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17115 } 17116 } 17117 17118 int user = UserHandle.getCallingUserId(); 17119 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 17120 scheduleWritePackageRestrictionsLocked(user); 17121 } 17122 } 17123 } 17124 17125 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17126 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17127 ArrayList<PreferredActivity> removed = null; 17128 boolean changed = false; 17129 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17130 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17131 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17132 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17133 continue; 17134 } 17135 Iterator<PreferredActivity> it = pir.filterIterator(); 17136 while (it.hasNext()) { 17137 PreferredActivity pa = it.next(); 17138 // Mark entry for removal only if it matches the package name 17139 // and the entry is of type "always". 17140 if (packageName == null || 17141 (pa.mPref.mComponent.getPackageName().equals(packageName) 17142 && pa.mPref.mAlways)) { 17143 if (removed == null) { 17144 removed = new ArrayList<PreferredActivity>(); 17145 } 17146 removed.add(pa); 17147 } 17148 } 17149 if (removed != null) { 17150 for (int j=0; j<removed.size(); j++) { 17151 PreferredActivity pa = removed.get(j); 17152 pir.removeFilter(pa); 17153 } 17154 changed = true; 17155 } 17156 } 17157 if (changed) { 17158 postPreferredActivityChangedBroadcast(userId); 17159 } 17160 return changed; 17161 } 17162 17163 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17164 private void clearIntentFilterVerificationsLPw(int userId) { 17165 final int packageCount = mPackages.size(); 17166 for (int i = 0; i < packageCount; i++) { 17167 PackageParser.Package pkg = mPackages.valueAt(i); 17168 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17169 } 17170 } 17171 17172 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17173 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17174 if (userId == UserHandle.USER_ALL) { 17175 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17176 sUserManager.getUserIds())) { 17177 for (int oneUserId : sUserManager.getUserIds()) { 17178 scheduleWritePackageRestrictionsLocked(oneUserId); 17179 } 17180 } 17181 } else { 17182 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17183 scheduleWritePackageRestrictionsLocked(userId); 17184 } 17185 } 17186 } 17187 17188 void clearDefaultBrowserIfNeeded(String packageName) { 17189 for (int oneUserId : sUserManager.getUserIds()) { 17190 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17191 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17192 if (packageName.equals(defaultBrowserPackageName)) { 17193 setDefaultBrowserPackageName(null, oneUserId); 17194 } 17195 } 17196 } 17197 17198 @Override 17199 public void resetApplicationPreferences(int userId) { 17200 mContext.enforceCallingOrSelfPermission( 17201 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17202 final long identity = Binder.clearCallingIdentity(); 17203 // writer 17204 try { 17205 synchronized (mPackages) { 17206 clearPackagePreferredActivitiesLPw(null, userId); 17207 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17208 // TODO: We have to reset the default SMS and Phone. This requires 17209 // significant refactoring to keep all default apps in the package 17210 // manager (cleaner but more work) or have the services provide 17211 // callbacks to the package manager to request a default app reset. 17212 applyFactoryDefaultBrowserLPw(userId); 17213 clearIntentFilterVerificationsLPw(userId); 17214 primeDomainVerificationsLPw(userId); 17215 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17216 scheduleWritePackageRestrictionsLocked(userId); 17217 } 17218 resetNetworkPolicies(userId); 17219 } finally { 17220 Binder.restoreCallingIdentity(identity); 17221 } 17222 } 17223 17224 @Override 17225 public int getPreferredActivities(List<IntentFilter> outFilters, 17226 List<ComponentName> outActivities, String packageName) { 17227 17228 int num = 0; 17229 final int userId = UserHandle.getCallingUserId(); 17230 // reader 17231 synchronized (mPackages) { 17232 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17233 if (pir != null) { 17234 final Iterator<PreferredActivity> it = pir.filterIterator(); 17235 while (it.hasNext()) { 17236 final PreferredActivity pa = it.next(); 17237 if (packageName == null 17238 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17239 && pa.mPref.mAlways)) { 17240 if (outFilters != null) { 17241 outFilters.add(new IntentFilter(pa)); 17242 } 17243 if (outActivities != null) { 17244 outActivities.add(pa.mPref.mComponent); 17245 } 17246 } 17247 } 17248 } 17249 } 17250 17251 return num; 17252 } 17253 17254 @Override 17255 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17256 int userId) { 17257 int callingUid = Binder.getCallingUid(); 17258 if (callingUid != Process.SYSTEM_UID) { 17259 throw new SecurityException( 17260 "addPersistentPreferredActivity can only be run by the system"); 17261 } 17262 if (filter.countActions() == 0) { 17263 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17264 return; 17265 } 17266 synchronized (mPackages) { 17267 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17268 ":"); 17269 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17270 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17271 new PersistentPreferredActivity(filter, activity)); 17272 scheduleWritePackageRestrictionsLocked(userId); 17273 postPreferredActivityChangedBroadcast(userId); 17274 } 17275 } 17276 17277 @Override 17278 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17279 int callingUid = Binder.getCallingUid(); 17280 if (callingUid != Process.SYSTEM_UID) { 17281 throw new SecurityException( 17282 "clearPackagePersistentPreferredActivities can only be run by the system"); 17283 } 17284 ArrayList<PersistentPreferredActivity> removed = null; 17285 boolean changed = false; 17286 synchronized (mPackages) { 17287 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17288 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17289 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17290 .valueAt(i); 17291 if (userId != thisUserId) { 17292 continue; 17293 } 17294 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17295 while (it.hasNext()) { 17296 PersistentPreferredActivity ppa = it.next(); 17297 // Mark entry for removal only if it matches the package name. 17298 if (ppa.mComponent.getPackageName().equals(packageName)) { 17299 if (removed == null) { 17300 removed = new ArrayList<PersistentPreferredActivity>(); 17301 } 17302 removed.add(ppa); 17303 } 17304 } 17305 if (removed != null) { 17306 for (int j=0; j<removed.size(); j++) { 17307 PersistentPreferredActivity ppa = removed.get(j); 17308 ppir.removeFilter(ppa); 17309 } 17310 changed = true; 17311 } 17312 } 17313 17314 if (changed) { 17315 scheduleWritePackageRestrictionsLocked(userId); 17316 postPreferredActivityChangedBroadcast(userId); 17317 } 17318 } 17319 } 17320 17321 /** 17322 * Common machinery for picking apart a restored XML blob and passing 17323 * it to a caller-supplied functor to be applied to the running system. 17324 */ 17325 private void restoreFromXml(XmlPullParser parser, int userId, 17326 String expectedStartTag, BlobXmlRestorer functor) 17327 throws IOException, XmlPullParserException { 17328 int type; 17329 while ((type = parser.next()) != XmlPullParser.START_TAG 17330 && type != XmlPullParser.END_DOCUMENT) { 17331 } 17332 if (type != XmlPullParser.START_TAG) { 17333 // oops didn't find a start tag?! 17334 if (DEBUG_BACKUP) { 17335 Slog.e(TAG, "Didn't find start tag during restore"); 17336 } 17337 return; 17338 } 17339Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17340 // this is supposed to be TAG_PREFERRED_BACKUP 17341 if (!expectedStartTag.equals(parser.getName())) { 17342 if (DEBUG_BACKUP) { 17343 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17344 } 17345 return; 17346 } 17347 17348 // skip interfering stuff, then we're aligned with the backing implementation 17349 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17350Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17351 functor.apply(parser, userId); 17352 } 17353 17354 private interface BlobXmlRestorer { 17355 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17356 } 17357 17358 /** 17359 * Non-Binder method, support for the backup/restore mechanism: write the 17360 * full set of preferred activities in its canonical XML format. Returns the 17361 * XML output as a byte array, or null if there is none. 17362 */ 17363 @Override 17364 public byte[] getPreferredActivityBackup(int userId) { 17365 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17366 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17367 } 17368 17369 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17370 try { 17371 final XmlSerializer serializer = new FastXmlSerializer(); 17372 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17373 serializer.startDocument(null, true); 17374 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17375 17376 synchronized (mPackages) { 17377 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17378 } 17379 17380 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17381 serializer.endDocument(); 17382 serializer.flush(); 17383 } catch (Exception e) { 17384 if (DEBUG_BACKUP) { 17385 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17386 } 17387 return null; 17388 } 17389 17390 return dataStream.toByteArray(); 17391 } 17392 17393 @Override 17394 public void restorePreferredActivities(byte[] backup, int userId) { 17395 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17396 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17397 } 17398 17399 try { 17400 final XmlPullParser parser = Xml.newPullParser(); 17401 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17402 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17403 new BlobXmlRestorer() { 17404 @Override 17405 public void apply(XmlPullParser parser, int userId) 17406 throws XmlPullParserException, IOException { 17407 synchronized (mPackages) { 17408 mSettings.readPreferredActivitiesLPw(parser, userId); 17409 } 17410 } 17411 } ); 17412 } catch (Exception e) { 17413 if (DEBUG_BACKUP) { 17414 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17415 } 17416 } 17417 } 17418 17419 /** 17420 * Non-Binder method, support for the backup/restore mechanism: write the 17421 * default browser (etc) settings in its canonical XML format. Returns the default 17422 * browser XML representation as a byte array, or null if there is none. 17423 */ 17424 @Override 17425 public byte[] getDefaultAppsBackup(int userId) { 17426 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17427 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17428 } 17429 17430 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17431 try { 17432 final XmlSerializer serializer = new FastXmlSerializer(); 17433 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17434 serializer.startDocument(null, true); 17435 serializer.startTag(null, TAG_DEFAULT_APPS); 17436 17437 synchronized (mPackages) { 17438 mSettings.writeDefaultAppsLPr(serializer, userId); 17439 } 17440 17441 serializer.endTag(null, TAG_DEFAULT_APPS); 17442 serializer.endDocument(); 17443 serializer.flush(); 17444 } catch (Exception e) { 17445 if (DEBUG_BACKUP) { 17446 Slog.e(TAG, "Unable to write default apps for backup", e); 17447 } 17448 return null; 17449 } 17450 17451 return dataStream.toByteArray(); 17452 } 17453 17454 @Override 17455 public void restoreDefaultApps(byte[] backup, int userId) { 17456 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17457 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17458 } 17459 17460 try { 17461 final XmlPullParser parser = Xml.newPullParser(); 17462 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17463 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17464 new BlobXmlRestorer() { 17465 @Override 17466 public void apply(XmlPullParser parser, int userId) 17467 throws XmlPullParserException, IOException { 17468 synchronized (mPackages) { 17469 mSettings.readDefaultAppsLPw(parser, userId); 17470 } 17471 } 17472 } ); 17473 } catch (Exception e) { 17474 if (DEBUG_BACKUP) { 17475 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17476 } 17477 } 17478 } 17479 17480 @Override 17481 public byte[] getIntentFilterVerificationBackup(int userId) { 17482 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17483 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17484 } 17485 17486 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17487 try { 17488 final XmlSerializer serializer = new FastXmlSerializer(); 17489 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17490 serializer.startDocument(null, true); 17491 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17492 17493 synchronized (mPackages) { 17494 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17495 } 17496 17497 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17498 serializer.endDocument(); 17499 serializer.flush(); 17500 } catch (Exception e) { 17501 if (DEBUG_BACKUP) { 17502 Slog.e(TAG, "Unable to write default apps for backup", e); 17503 } 17504 return null; 17505 } 17506 17507 return dataStream.toByteArray(); 17508 } 17509 17510 @Override 17511 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17512 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17513 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17514 } 17515 17516 try { 17517 final XmlPullParser parser = Xml.newPullParser(); 17518 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17519 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17520 new BlobXmlRestorer() { 17521 @Override 17522 public void apply(XmlPullParser parser, int userId) 17523 throws XmlPullParserException, IOException { 17524 synchronized (mPackages) { 17525 mSettings.readAllDomainVerificationsLPr(parser, userId); 17526 mSettings.writeLPr(); 17527 } 17528 } 17529 } ); 17530 } catch (Exception e) { 17531 if (DEBUG_BACKUP) { 17532 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17533 } 17534 } 17535 } 17536 17537 @Override 17538 public byte[] getPermissionGrantBackup(int userId) { 17539 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17540 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17541 } 17542 17543 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17544 try { 17545 final XmlSerializer serializer = new FastXmlSerializer(); 17546 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17547 serializer.startDocument(null, true); 17548 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17549 17550 synchronized (mPackages) { 17551 serializeRuntimePermissionGrantsLPr(serializer, userId); 17552 } 17553 17554 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17555 serializer.endDocument(); 17556 serializer.flush(); 17557 } catch (Exception e) { 17558 if (DEBUG_BACKUP) { 17559 Slog.e(TAG, "Unable to write default apps for backup", e); 17560 } 17561 return null; 17562 } 17563 17564 return dataStream.toByteArray(); 17565 } 17566 17567 @Override 17568 public void restorePermissionGrants(byte[] backup, int userId) { 17569 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17570 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17571 } 17572 17573 try { 17574 final XmlPullParser parser = Xml.newPullParser(); 17575 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17576 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17577 new BlobXmlRestorer() { 17578 @Override 17579 public void apply(XmlPullParser parser, int userId) 17580 throws XmlPullParserException, IOException { 17581 synchronized (mPackages) { 17582 processRestoredPermissionGrantsLPr(parser, userId); 17583 } 17584 } 17585 } ); 17586 } catch (Exception e) { 17587 if (DEBUG_BACKUP) { 17588 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17589 } 17590 } 17591 } 17592 17593 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17594 throws IOException { 17595 serializer.startTag(null, TAG_ALL_GRANTS); 17596 17597 final int N = mSettings.mPackages.size(); 17598 for (int i = 0; i < N; i++) { 17599 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17600 boolean pkgGrantsKnown = false; 17601 17602 PermissionsState packagePerms = ps.getPermissionsState(); 17603 17604 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17605 final int grantFlags = state.getFlags(); 17606 // only look at grants that are not system/policy fixed 17607 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17608 final boolean isGranted = state.isGranted(); 17609 // And only back up the user-twiddled state bits 17610 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17611 final String packageName = mSettings.mPackages.keyAt(i); 17612 if (!pkgGrantsKnown) { 17613 serializer.startTag(null, TAG_GRANT); 17614 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17615 pkgGrantsKnown = true; 17616 } 17617 17618 final boolean userSet = 17619 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17620 final boolean userFixed = 17621 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17622 final boolean revoke = 17623 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17624 17625 serializer.startTag(null, TAG_PERMISSION); 17626 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17627 if (isGranted) { 17628 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17629 } 17630 if (userSet) { 17631 serializer.attribute(null, ATTR_USER_SET, "true"); 17632 } 17633 if (userFixed) { 17634 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17635 } 17636 if (revoke) { 17637 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17638 } 17639 serializer.endTag(null, TAG_PERMISSION); 17640 } 17641 } 17642 } 17643 17644 if (pkgGrantsKnown) { 17645 serializer.endTag(null, TAG_GRANT); 17646 } 17647 } 17648 17649 serializer.endTag(null, TAG_ALL_GRANTS); 17650 } 17651 17652 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17653 throws XmlPullParserException, IOException { 17654 String pkgName = null; 17655 int outerDepth = parser.getDepth(); 17656 int type; 17657 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17658 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17659 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17660 continue; 17661 } 17662 17663 final String tagName = parser.getName(); 17664 if (tagName.equals(TAG_GRANT)) { 17665 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17666 if (DEBUG_BACKUP) { 17667 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17668 } 17669 } else if (tagName.equals(TAG_PERMISSION)) { 17670 17671 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17672 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17673 17674 int newFlagSet = 0; 17675 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17676 newFlagSet |= FLAG_PERMISSION_USER_SET; 17677 } 17678 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17679 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17680 } 17681 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17682 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17683 } 17684 if (DEBUG_BACKUP) { 17685 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17686 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17687 } 17688 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17689 if (ps != null) { 17690 // Already installed so we apply the grant immediately 17691 if (DEBUG_BACKUP) { 17692 Slog.v(TAG, " + already installed; applying"); 17693 } 17694 PermissionsState perms = ps.getPermissionsState(); 17695 BasePermission bp = mSettings.mPermissions.get(permName); 17696 if (bp != null) { 17697 if (isGranted) { 17698 perms.grantRuntimePermission(bp, userId); 17699 } 17700 if (newFlagSet != 0) { 17701 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17702 } 17703 } 17704 } else { 17705 // Need to wait for post-restore install to apply the grant 17706 if (DEBUG_BACKUP) { 17707 Slog.v(TAG, " - not yet installed; saving for later"); 17708 } 17709 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17710 isGranted, newFlagSet, userId); 17711 } 17712 } else { 17713 PackageManagerService.reportSettingsProblem(Log.WARN, 17714 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17715 XmlUtils.skipCurrentTag(parser); 17716 } 17717 } 17718 17719 scheduleWriteSettingsLocked(); 17720 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17721 } 17722 17723 @Override 17724 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17725 int sourceUserId, int targetUserId, int flags) { 17726 mContext.enforceCallingOrSelfPermission( 17727 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17728 int callingUid = Binder.getCallingUid(); 17729 enforceOwnerRights(ownerPackage, callingUid); 17730 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17731 if (intentFilter.countActions() == 0) { 17732 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17733 return; 17734 } 17735 synchronized (mPackages) { 17736 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17737 ownerPackage, targetUserId, flags); 17738 CrossProfileIntentResolver resolver = 17739 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17740 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17741 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17742 if (existing != null) { 17743 int size = existing.size(); 17744 for (int i = 0; i < size; i++) { 17745 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17746 return; 17747 } 17748 } 17749 } 17750 resolver.addFilter(newFilter); 17751 scheduleWritePackageRestrictionsLocked(sourceUserId); 17752 } 17753 } 17754 17755 @Override 17756 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17757 mContext.enforceCallingOrSelfPermission( 17758 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17759 int callingUid = Binder.getCallingUid(); 17760 enforceOwnerRights(ownerPackage, callingUid); 17761 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17762 synchronized (mPackages) { 17763 CrossProfileIntentResolver resolver = 17764 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17765 ArraySet<CrossProfileIntentFilter> set = 17766 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17767 for (CrossProfileIntentFilter filter : set) { 17768 if (filter.getOwnerPackage().equals(ownerPackage)) { 17769 resolver.removeFilter(filter); 17770 } 17771 } 17772 scheduleWritePackageRestrictionsLocked(sourceUserId); 17773 } 17774 } 17775 17776 // Enforcing that callingUid is owning pkg on userId 17777 private void enforceOwnerRights(String pkg, int callingUid) { 17778 // The system owns everything. 17779 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17780 return; 17781 } 17782 int callingUserId = UserHandle.getUserId(callingUid); 17783 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17784 if (pi == null) { 17785 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17786 + callingUserId); 17787 } 17788 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17789 throw new SecurityException("Calling uid " + callingUid 17790 + " does not own package " + pkg); 17791 } 17792 } 17793 17794 @Override 17795 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17796 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17797 } 17798 17799 private Intent getHomeIntent() { 17800 Intent intent = new Intent(Intent.ACTION_MAIN); 17801 intent.addCategory(Intent.CATEGORY_HOME); 17802 intent.addCategory(Intent.CATEGORY_DEFAULT); 17803 return intent; 17804 } 17805 17806 private IntentFilter getHomeFilter() { 17807 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17808 filter.addCategory(Intent.CATEGORY_HOME); 17809 filter.addCategory(Intent.CATEGORY_DEFAULT); 17810 return filter; 17811 } 17812 17813 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17814 int userId) { 17815 Intent intent = getHomeIntent(); 17816 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17817 PackageManager.GET_META_DATA, userId); 17818 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17819 true, false, false, userId); 17820 17821 allHomeCandidates.clear(); 17822 if (list != null) { 17823 for (ResolveInfo ri : list) { 17824 allHomeCandidates.add(ri); 17825 } 17826 } 17827 return (preferred == null || preferred.activityInfo == null) 17828 ? null 17829 : new ComponentName(preferred.activityInfo.packageName, 17830 preferred.activityInfo.name); 17831 } 17832 17833 @Override 17834 public void setHomeActivity(ComponentName comp, int userId) { 17835 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17836 getHomeActivitiesAsUser(homeActivities, userId); 17837 17838 boolean found = false; 17839 17840 final int size = homeActivities.size(); 17841 final ComponentName[] set = new ComponentName[size]; 17842 for (int i = 0; i < size; i++) { 17843 final ResolveInfo candidate = homeActivities.get(i); 17844 final ActivityInfo info = candidate.activityInfo; 17845 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17846 set[i] = activityName; 17847 if (!found && activityName.equals(comp)) { 17848 found = true; 17849 } 17850 } 17851 if (!found) { 17852 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17853 + userId); 17854 } 17855 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17856 set, comp, userId); 17857 } 17858 17859 private @Nullable String getSetupWizardPackageName() { 17860 final Intent intent = new Intent(Intent.ACTION_MAIN); 17861 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17862 17863 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17864 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17865 | MATCH_DISABLED_COMPONENTS, 17866 UserHandle.myUserId()); 17867 if (matches.size() == 1) { 17868 return matches.get(0).getComponentInfo().packageName; 17869 } else { 17870 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17871 + ": matches=" + matches); 17872 return null; 17873 } 17874 } 17875 17876 private @Nullable String getStorageManagerPackageName() { 17877 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 17878 17879 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17880 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17881 | MATCH_DISABLED_COMPONENTS, 17882 UserHandle.myUserId()); 17883 if (matches.size() == 1) { 17884 return matches.get(0).getComponentInfo().packageName; 17885 } else { 17886 Slog.e(TAG, "There should probably be exactly one storage manager; found " 17887 + matches.size() + ": matches=" + matches); 17888 return null; 17889 } 17890 } 17891 17892 @Override 17893 public void setApplicationEnabledSetting(String appPackageName, 17894 int newState, int flags, int userId, String callingPackage) { 17895 if (!sUserManager.exists(userId)) return; 17896 if (callingPackage == null) { 17897 callingPackage = Integer.toString(Binder.getCallingUid()); 17898 } 17899 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17900 } 17901 17902 @Override 17903 public void setComponentEnabledSetting(ComponentName componentName, 17904 int newState, int flags, int userId) { 17905 if (!sUserManager.exists(userId)) return; 17906 setEnabledSetting(componentName.getPackageName(), 17907 componentName.getClassName(), newState, flags, userId, null); 17908 } 17909 17910 private void setEnabledSetting(final String packageName, String className, int newState, 17911 final int flags, int userId, String callingPackage) { 17912 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17913 || newState == COMPONENT_ENABLED_STATE_ENABLED 17914 || newState == COMPONENT_ENABLED_STATE_DISABLED 17915 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17916 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17917 throw new IllegalArgumentException("Invalid new component state: " 17918 + newState); 17919 } 17920 PackageSetting pkgSetting; 17921 final int uid = Binder.getCallingUid(); 17922 final int permission; 17923 if (uid == Process.SYSTEM_UID) { 17924 permission = PackageManager.PERMISSION_GRANTED; 17925 } else { 17926 permission = mContext.checkCallingOrSelfPermission( 17927 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17928 } 17929 enforceCrossUserPermission(uid, userId, 17930 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17931 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17932 boolean sendNow = false; 17933 boolean isApp = (className == null); 17934 String componentName = isApp ? packageName : className; 17935 int packageUid = -1; 17936 ArrayList<String> components; 17937 17938 // writer 17939 synchronized (mPackages) { 17940 pkgSetting = mSettings.mPackages.get(packageName); 17941 if (pkgSetting == null) { 17942 if (className == null) { 17943 throw new IllegalArgumentException("Unknown package: " + packageName); 17944 } 17945 throw new IllegalArgumentException( 17946 "Unknown component: " + packageName + "/" + className); 17947 } 17948 } 17949 17950 // Limit who can change which apps 17951 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17952 // Don't allow apps that don't have permission to modify other apps 17953 if (!allowedByPermission) { 17954 throw new SecurityException( 17955 "Permission Denial: attempt to change component state from pid=" 17956 + Binder.getCallingPid() 17957 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17958 } 17959 // Don't allow changing protected packages. 17960 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17961 throw new SecurityException("Cannot disable a protected package: " + packageName); 17962 } 17963 } 17964 17965 synchronized (mPackages) { 17966 if (uid == Process.SHELL_UID) { 17967 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17968 int oldState = pkgSetting.getEnabled(userId); 17969 if (className == null 17970 && 17971 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17972 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17973 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17974 && 17975 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17976 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17977 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17978 // ok 17979 } else { 17980 throw new SecurityException( 17981 "Shell cannot change component state for " + packageName + "/" 17982 + className + " to " + newState); 17983 } 17984 } 17985 if (className == null) { 17986 // We're dealing with an application/package level state change 17987 if (pkgSetting.getEnabled(userId) == newState) { 17988 // Nothing to do 17989 return; 17990 } 17991 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17992 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17993 // Don't care about who enables an app. 17994 callingPackage = null; 17995 } 17996 pkgSetting.setEnabled(newState, userId, callingPackage); 17997 // pkgSetting.pkg.mSetEnabled = newState; 17998 } else { 17999 // We're dealing with a component level state change 18000 // First, verify that this is a valid class name. 18001 PackageParser.Package pkg = pkgSetting.pkg; 18002 if (pkg == null || !pkg.hasComponentClassName(className)) { 18003 if (pkg != null && 18004 pkg.applicationInfo.targetSdkVersion >= 18005 Build.VERSION_CODES.JELLY_BEAN) { 18006 throw new IllegalArgumentException("Component class " + className 18007 + " does not exist in " + packageName); 18008 } else { 18009 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 18010 + className + " does not exist in " + packageName); 18011 } 18012 } 18013 switch (newState) { 18014 case COMPONENT_ENABLED_STATE_ENABLED: 18015 if (!pkgSetting.enableComponentLPw(className, userId)) { 18016 return; 18017 } 18018 break; 18019 case COMPONENT_ENABLED_STATE_DISABLED: 18020 if (!pkgSetting.disableComponentLPw(className, userId)) { 18021 return; 18022 } 18023 break; 18024 case COMPONENT_ENABLED_STATE_DEFAULT: 18025 if (!pkgSetting.restoreComponentLPw(className, userId)) { 18026 return; 18027 } 18028 break; 18029 default: 18030 Slog.e(TAG, "Invalid new component state: " + newState); 18031 return; 18032 } 18033 } 18034 scheduleWritePackageRestrictionsLocked(userId); 18035 components = mPendingBroadcasts.get(userId, packageName); 18036 final boolean newPackage = components == null; 18037 if (newPackage) { 18038 components = new ArrayList<String>(); 18039 } 18040 if (!components.contains(componentName)) { 18041 components.add(componentName); 18042 } 18043 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 18044 sendNow = true; 18045 // Purge entry from pending broadcast list if another one exists already 18046 // since we are sending one right away. 18047 mPendingBroadcasts.remove(userId, packageName); 18048 } else { 18049 if (newPackage) { 18050 mPendingBroadcasts.put(userId, packageName, components); 18051 } 18052 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 18053 // Schedule a message 18054 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 18055 } 18056 } 18057 } 18058 18059 long callingId = Binder.clearCallingIdentity(); 18060 try { 18061 if (sendNow) { 18062 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 18063 sendPackageChangedBroadcast(packageName, 18064 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 18065 } 18066 } finally { 18067 Binder.restoreCallingIdentity(callingId); 18068 } 18069 } 18070 18071 @Override 18072 public void flushPackageRestrictionsAsUser(int userId) { 18073 if (!sUserManager.exists(userId)) { 18074 return; 18075 } 18076 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 18077 false /* checkShell */, "flushPackageRestrictions"); 18078 synchronized (mPackages) { 18079 mSettings.writePackageRestrictionsLPr(userId); 18080 mDirtyUsers.remove(userId); 18081 if (mDirtyUsers.isEmpty()) { 18082 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 18083 } 18084 } 18085 } 18086 18087 private void sendPackageChangedBroadcast(String packageName, 18088 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 18089 if (DEBUG_INSTALL) 18090 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 18091 + componentNames); 18092 Bundle extras = new Bundle(4); 18093 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 18094 String nameList[] = new String[componentNames.size()]; 18095 componentNames.toArray(nameList); 18096 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 18097 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 18098 extras.putInt(Intent.EXTRA_UID, packageUid); 18099 // If this is not reporting a change of the overall package, then only send it 18100 // to registered receivers. We don't want to launch a swath of apps for every 18101 // little component state change. 18102 final int flags = !componentNames.contains(packageName) 18103 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 18104 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 18105 new int[] {UserHandle.getUserId(packageUid)}); 18106 } 18107 18108 @Override 18109 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 18110 if (!sUserManager.exists(userId)) return; 18111 final int uid = Binder.getCallingUid(); 18112 final int permission = mContext.checkCallingOrSelfPermission( 18113 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18114 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18115 enforceCrossUserPermission(uid, userId, 18116 true /* requireFullPermission */, true /* checkShell */, "stop package"); 18117 // writer 18118 synchronized (mPackages) { 18119 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 18120 allowedByPermission, uid, userId)) { 18121 scheduleWritePackageRestrictionsLocked(userId); 18122 } 18123 } 18124 } 18125 18126 @Override 18127 public String getInstallerPackageName(String packageName) { 18128 // reader 18129 synchronized (mPackages) { 18130 return mSettings.getInstallerPackageNameLPr(packageName); 18131 } 18132 } 18133 18134 public boolean isOrphaned(String packageName) { 18135 // reader 18136 synchronized (mPackages) { 18137 return mSettings.isOrphaned(packageName); 18138 } 18139 } 18140 18141 @Override 18142 public int getApplicationEnabledSetting(String packageName, int userId) { 18143 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18144 int uid = Binder.getCallingUid(); 18145 enforceCrossUserPermission(uid, userId, 18146 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18147 // reader 18148 synchronized (mPackages) { 18149 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18150 } 18151 } 18152 18153 @Override 18154 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18155 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18156 int uid = Binder.getCallingUid(); 18157 enforceCrossUserPermission(uid, userId, 18158 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18159 // reader 18160 synchronized (mPackages) { 18161 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18162 } 18163 } 18164 18165 @Override 18166 public void enterSafeMode() { 18167 enforceSystemOrRoot("Only the system can request entering safe mode"); 18168 18169 if (!mSystemReady) { 18170 mSafeMode = true; 18171 } 18172 } 18173 18174 @Override 18175 public void systemReady() { 18176 mSystemReady = true; 18177 18178 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18179 // disabled after already being started. 18180 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18181 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18182 18183 // Read the compatibilty setting when the system is ready. 18184 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18185 mContext.getContentResolver(), 18186 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18187 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18188 if (DEBUG_SETTINGS) { 18189 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18190 } 18191 18192 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18193 18194 synchronized (mPackages) { 18195 // Verify that all of the preferred activity components actually 18196 // exist. It is possible for applications to be updated and at 18197 // that point remove a previously declared activity component that 18198 // had been set as a preferred activity. We try to clean this up 18199 // the next time we encounter that preferred activity, but it is 18200 // possible for the user flow to never be able to return to that 18201 // situation so here we do a sanity check to make sure we haven't 18202 // left any junk around. 18203 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18204 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18205 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18206 removed.clear(); 18207 for (PreferredActivity pa : pir.filterSet()) { 18208 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18209 removed.add(pa); 18210 } 18211 } 18212 if (removed.size() > 0) { 18213 for (int r=0; r<removed.size(); r++) { 18214 PreferredActivity pa = removed.get(r); 18215 Slog.w(TAG, "Removing dangling preferred activity: " 18216 + pa.mPref.mComponent); 18217 pir.removeFilter(pa); 18218 } 18219 mSettings.writePackageRestrictionsLPr( 18220 mSettings.mPreferredActivities.keyAt(i)); 18221 } 18222 } 18223 18224 for (int userId : UserManagerService.getInstance().getUserIds()) { 18225 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18226 grantPermissionsUserIds = ArrayUtils.appendInt( 18227 grantPermissionsUserIds, userId); 18228 } 18229 } 18230 } 18231 sUserManager.systemReady(); 18232 18233 // If we upgraded grant all default permissions before kicking off. 18234 for (int userId : grantPermissionsUserIds) { 18235 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18236 } 18237 18238 // If we did not grant default permissions, we preload from this the 18239 // default permission exceptions lazily to ensure we don't hit the 18240 // disk on a new user creation. 18241 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18242 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18243 } 18244 18245 // Kick off any messages waiting for system ready 18246 if (mPostSystemReadyMessages != null) { 18247 for (Message msg : mPostSystemReadyMessages) { 18248 msg.sendToTarget(); 18249 } 18250 mPostSystemReadyMessages = null; 18251 } 18252 18253 // Watch for external volumes that come and go over time 18254 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18255 storage.registerListener(mStorageListener); 18256 18257 mInstallerService.systemReady(); 18258 mPackageDexOptimizer.systemReady(); 18259 18260 MountServiceInternal mountServiceInternal = LocalServices.getService( 18261 MountServiceInternal.class); 18262 mountServiceInternal.addExternalStoragePolicy( 18263 new MountServiceInternal.ExternalStorageMountPolicy() { 18264 @Override 18265 public int getMountMode(int uid, String packageName) { 18266 if (Process.isIsolated(uid)) { 18267 return Zygote.MOUNT_EXTERNAL_NONE; 18268 } 18269 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18270 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18271 } 18272 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18273 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18274 } 18275 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18276 return Zygote.MOUNT_EXTERNAL_READ; 18277 } 18278 return Zygote.MOUNT_EXTERNAL_WRITE; 18279 } 18280 18281 @Override 18282 public boolean hasExternalStorage(int uid, String packageName) { 18283 return true; 18284 } 18285 }); 18286 18287 // Now that we're mostly running, clean up stale users and apps 18288 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18289 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18290 } 18291 18292 @Override 18293 public boolean isSafeMode() { 18294 return mSafeMode; 18295 } 18296 18297 @Override 18298 public boolean hasSystemUidErrors() { 18299 return mHasSystemUidErrors; 18300 } 18301 18302 static String arrayToString(int[] array) { 18303 StringBuffer buf = new StringBuffer(128); 18304 buf.append('['); 18305 if (array != null) { 18306 for (int i=0; i<array.length; i++) { 18307 if (i > 0) buf.append(", "); 18308 buf.append(array[i]); 18309 } 18310 } 18311 buf.append(']'); 18312 return buf.toString(); 18313 } 18314 18315 static class DumpState { 18316 public static final int DUMP_LIBS = 1 << 0; 18317 public static final int DUMP_FEATURES = 1 << 1; 18318 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18319 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18320 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18321 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18322 public static final int DUMP_PERMISSIONS = 1 << 6; 18323 public static final int DUMP_PACKAGES = 1 << 7; 18324 public static final int DUMP_SHARED_USERS = 1 << 8; 18325 public static final int DUMP_MESSAGES = 1 << 9; 18326 public static final int DUMP_PROVIDERS = 1 << 10; 18327 public static final int DUMP_VERIFIERS = 1 << 11; 18328 public static final int DUMP_PREFERRED = 1 << 12; 18329 public static final int DUMP_PREFERRED_XML = 1 << 13; 18330 public static final int DUMP_KEYSETS = 1 << 14; 18331 public static final int DUMP_VERSION = 1 << 15; 18332 public static final int DUMP_INSTALLS = 1 << 16; 18333 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18334 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18335 public static final int DUMP_FROZEN = 1 << 19; 18336 public static final int DUMP_DEXOPT = 1 << 20; 18337 public static final int DUMP_COMPILER_STATS = 1 << 21; 18338 18339 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18340 18341 private int mTypes; 18342 18343 private int mOptions; 18344 18345 private boolean mTitlePrinted; 18346 18347 private SharedUserSetting mSharedUser; 18348 18349 public boolean isDumping(int type) { 18350 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18351 return true; 18352 } 18353 18354 return (mTypes & type) != 0; 18355 } 18356 18357 public void setDump(int type) { 18358 mTypes |= type; 18359 } 18360 18361 public boolean isOptionEnabled(int option) { 18362 return (mOptions & option) != 0; 18363 } 18364 18365 public void setOptionEnabled(int option) { 18366 mOptions |= option; 18367 } 18368 18369 public boolean onTitlePrinted() { 18370 final boolean printed = mTitlePrinted; 18371 mTitlePrinted = true; 18372 return printed; 18373 } 18374 18375 public boolean getTitlePrinted() { 18376 return mTitlePrinted; 18377 } 18378 18379 public void setTitlePrinted(boolean enabled) { 18380 mTitlePrinted = enabled; 18381 } 18382 18383 public SharedUserSetting getSharedUser() { 18384 return mSharedUser; 18385 } 18386 18387 public void setSharedUser(SharedUserSetting user) { 18388 mSharedUser = user; 18389 } 18390 } 18391 18392 @Override 18393 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18394 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18395 (new PackageManagerShellCommand(this)).exec( 18396 this, in, out, err, args, resultReceiver); 18397 } 18398 18399 @Override 18400 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18401 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18402 != PackageManager.PERMISSION_GRANTED) { 18403 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18404 + Binder.getCallingPid() 18405 + ", uid=" + Binder.getCallingUid() 18406 + " without permission " 18407 + android.Manifest.permission.DUMP); 18408 return; 18409 } 18410 18411 DumpState dumpState = new DumpState(); 18412 boolean fullPreferred = false; 18413 boolean checkin = false; 18414 18415 String packageName = null; 18416 ArraySet<String> permissionNames = null; 18417 18418 int opti = 0; 18419 while (opti < args.length) { 18420 String opt = args[opti]; 18421 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18422 break; 18423 } 18424 opti++; 18425 18426 if ("-a".equals(opt)) { 18427 // Right now we only know how to print all. 18428 } else if ("-h".equals(opt)) { 18429 pw.println("Package manager dump options:"); 18430 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18431 pw.println(" --checkin: dump for a checkin"); 18432 pw.println(" -f: print details of intent filters"); 18433 pw.println(" -h: print this help"); 18434 pw.println(" cmd may be one of:"); 18435 pw.println(" l[ibraries]: list known shared libraries"); 18436 pw.println(" f[eatures]: list device features"); 18437 pw.println(" k[eysets]: print known keysets"); 18438 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18439 pw.println(" perm[issions]: dump permissions"); 18440 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18441 pw.println(" pref[erred]: print preferred package settings"); 18442 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18443 pw.println(" prov[iders]: dump content providers"); 18444 pw.println(" p[ackages]: dump installed packages"); 18445 pw.println(" s[hared-users]: dump shared user IDs"); 18446 pw.println(" m[essages]: print collected runtime messages"); 18447 pw.println(" v[erifiers]: print package verifier info"); 18448 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18449 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18450 pw.println(" version: print database version info"); 18451 pw.println(" write: write current settings now"); 18452 pw.println(" installs: details about install sessions"); 18453 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18454 pw.println(" dexopt: dump dexopt state"); 18455 pw.println(" compiler-stats: dump compiler statistics"); 18456 pw.println(" <package.name>: info about given package"); 18457 return; 18458 } else if ("--checkin".equals(opt)) { 18459 checkin = true; 18460 } else if ("-f".equals(opt)) { 18461 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18462 } else { 18463 pw.println("Unknown argument: " + opt + "; use -h for help"); 18464 } 18465 } 18466 18467 // Is the caller requesting to dump a particular piece of data? 18468 if (opti < args.length) { 18469 String cmd = args[opti]; 18470 opti++; 18471 // Is this a package name? 18472 if ("android".equals(cmd) || cmd.contains(".")) { 18473 packageName = cmd; 18474 // When dumping a single package, we always dump all of its 18475 // filter information since the amount of data will be reasonable. 18476 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18477 } else if ("check-permission".equals(cmd)) { 18478 if (opti >= args.length) { 18479 pw.println("Error: check-permission missing permission argument"); 18480 return; 18481 } 18482 String perm = args[opti]; 18483 opti++; 18484 if (opti >= args.length) { 18485 pw.println("Error: check-permission missing package argument"); 18486 return; 18487 } 18488 String pkg = args[opti]; 18489 opti++; 18490 int user = UserHandle.getUserId(Binder.getCallingUid()); 18491 if (opti < args.length) { 18492 try { 18493 user = Integer.parseInt(args[opti]); 18494 } catch (NumberFormatException e) { 18495 pw.println("Error: check-permission user argument is not a number: " 18496 + args[opti]); 18497 return; 18498 } 18499 } 18500 pw.println(checkPermission(perm, pkg, user)); 18501 return; 18502 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18503 dumpState.setDump(DumpState.DUMP_LIBS); 18504 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18505 dumpState.setDump(DumpState.DUMP_FEATURES); 18506 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18507 if (opti >= args.length) { 18508 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18509 | DumpState.DUMP_SERVICE_RESOLVERS 18510 | DumpState.DUMP_RECEIVER_RESOLVERS 18511 | DumpState.DUMP_CONTENT_RESOLVERS); 18512 } else { 18513 while (opti < args.length) { 18514 String name = args[opti]; 18515 if ("a".equals(name) || "activity".equals(name)) { 18516 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18517 } else if ("s".equals(name) || "service".equals(name)) { 18518 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18519 } else if ("r".equals(name) || "receiver".equals(name)) { 18520 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18521 } else if ("c".equals(name) || "content".equals(name)) { 18522 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18523 } else { 18524 pw.println("Error: unknown resolver table type: " + name); 18525 return; 18526 } 18527 opti++; 18528 } 18529 } 18530 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18531 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18532 } else if ("permission".equals(cmd)) { 18533 if (opti >= args.length) { 18534 pw.println("Error: permission requires permission name"); 18535 return; 18536 } 18537 permissionNames = new ArraySet<>(); 18538 while (opti < args.length) { 18539 permissionNames.add(args[opti]); 18540 opti++; 18541 } 18542 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18543 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18544 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18545 dumpState.setDump(DumpState.DUMP_PREFERRED); 18546 } else if ("preferred-xml".equals(cmd)) { 18547 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18548 if (opti < args.length && "--full".equals(args[opti])) { 18549 fullPreferred = true; 18550 opti++; 18551 } 18552 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18553 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18554 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18555 dumpState.setDump(DumpState.DUMP_PACKAGES); 18556 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18557 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18558 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18559 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18560 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18561 dumpState.setDump(DumpState.DUMP_MESSAGES); 18562 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18563 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18564 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18565 || "intent-filter-verifiers".equals(cmd)) { 18566 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18567 } else if ("version".equals(cmd)) { 18568 dumpState.setDump(DumpState.DUMP_VERSION); 18569 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18570 dumpState.setDump(DumpState.DUMP_KEYSETS); 18571 } else if ("installs".equals(cmd)) { 18572 dumpState.setDump(DumpState.DUMP_INSTALLS); 18573 } else if ("frozen".equals(cmd)) { 18574 dumpState.setDump(DumpState.DUMP_FROZEN); 18575 } else if ("dexopt".equals(cmd)) { 18576 dumpState.setDump(DumpState.DUMP_DEXOPT); 18577 } else if ("compiler-stats".equals(cmd)) { 18578 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18579 } else if ("write".equals(cmd)) { 18580 synchronized (mPackages) { 18581 mSettings.writeLPr(); 18582 pw.println("Settings written."); 18583 return; 18584 } 18585 } 18586 } 18587 18588 if (checkin) { 18589 pw.println("vers,1"); 18590 } 18591 18592 // reader 18593 synchronized (mPackages) { 18594 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18595 if (!checkin) { 18596 if (dumpState.onTitlePrinted()) 18597 pw.println(); 18598 pw.println("Database versions:"); 18599 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18600 } 18601 } 18602 18603 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18604 if (!checkin) { 18605 if (dumpState.onTitlePrinted()) 18606 pw.println(); 18607 pw.println("Verifiers:"); 18608 pw.print(" Required: "); 18609 pw.print(mRequiredVerifierPackage); 18610 pw.print(" (uid="); 18611 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18612 UserHandle.USER_SYSTEM)); 18613 pw.println(")"); 18614 } else if (mRequiredVerifierPackage != null) { 18615 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18616 pw.print(","); 18617 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18618 UserHandle.USER_SYSTEM)); 18619 } 18620 } 18621 18622 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18623 packageName == null) { 18624 if (mIntentFilterVerifierComponent != null) { 18625 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18626 if (!checkin) { 18627 if (dumpState.onTitlePrinted()) 18628 pw.println(); 18629 pw.println("Intent Filter Verifier:"); 18630 pw.print(" Using: "); 18631 pw.print(verifierPackageName); 18632 pw.print(" (uid="); 18633 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18634 UserHandle.USER_SYSTEM)); 18635 pw.println(")"); 18636 } else if (verifierPackageName != null) { 18637 pw.print("ifv,"); pw.print(verifierPackageName); 18638 pw.print(","); 18639 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18640 UserHandle.USER_SYSTEM)); 18641 } 18642 } else { 18643 pw.println(); 18644 pw.println("No Intent Filter Verifier available!"); 18645 } 18646 } 18647 18648 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18649 boolean printedHeader = false; 18650 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18651 while (it.hasNext()) { 18652 String name = it.next(); 18653 SharedLibraryEntry ent = mSharedLibraries.get(name); 18654 if (!checkin) { 18655 if (!printedHeader) { 18656 if (dumpState.onTitlePrinted()) 18657 pw.println(); 18658 pw.println("Libraries:"); 18659 printedHeader = true; 18660 } 18661 pw.print(" "); 18662 } else { 18663 pw.print("lib,"); 18664 } 18665 pw.print(name); 18666 if (!checkin) { 18667 pw.print(" -> "); 18668 } 18669 if (ent.path != null) { 18670 if (!checkin) { 18671 pw.print("(jar) "); 18672 pw.print(ent.path); 18673 } else { 18674 pw.print(",jar,"); 18675 pw.print(ent.path); 18676 } 18677 } else { 18678 if (!checkin) { 18679 pw.print("(apk) "); 18680 pw.print(ent.apk); 18681 } else { 18682 pw.print(",apk,"); 18683 pw.print(ent.apk); 18684 } 18685 } 18686 pw.println(); 18687 } 18688 } 18689 18690 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18691 if (dumpState.onTitlePrinted()) 18692 pw.println(); 18693 if (!checkin) { 18694 pw.println("Features:"); 18695 } 18696 18697 for (FeatureInfo feat : mAvailableFeatures.values()) { 18698 if (checkin) { 18699 pw.print("feat,"); 18700 pw.print(feat.name); 18701 pw.print(","); 18702 pw.println(feat.version); 18703 } else { 18704 pw.print(" "); 18705 pw.print(feat.name); 18706 if (feat.version > 0) { 18707 pw.print(" version="); 18708 pw.print(feat.version); 18709 } 18710 pw.println(); 18711 } 18712 } 18713 } 18714 18715 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18716 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18717 : "Activity Resolver Table:", " ", packageName, 18718 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18719 dumpState.setTitlePrinted(true); 18720 } 18721 } 18722 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18723 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18724 : "Receiver Resolver Table:", " ", packageName, 18725 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18726 dumpState.setTitlePrinted(true); 18727 } 18728 } 18729 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18730 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18731 : "Service Resolver Table:", " ", packageName, 18732 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18733 dumpState.setTitlePrinted(true); 18734 } 18735 } 18736 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18737 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18738 : "Provider Resolver Table:", " ", packageName, 18739 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18740 dumpState.setTitlePrinted(true); 18741 } 18742 } 18743 18744 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18745 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18746 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18747 int user = mSettings.mPreferredActivities.keyAt(i); 18748 if (pir.dump(pw, 18749 dumpState.getTitlePrinted() 18750 ? "\nPreferred Activities User " + user + ":" 18751 : "Preferred Activities User " + user + ":", " ", 18752 packageName, true, false)) { 18753 dumpState.setTitlePrinted(true); 18754 } 18755 } 18756 } 18757 18758 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18759 pw.flush(); 18760 FileOutputStream fout = new FileOutputStream(fd); 18761 BufferedOutputStream str = new BufferedOutputStream(fout); 18762 XmlSerializer serializer = new FastXmlSerializer(); 18763 try { 18764 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18765 serializer.startDocument(null, true); 18766 serializer.setFeature( 18767 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18768 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18769 serializer.endDocument(); 18770 serializer.flush(); 18771 } catch (IllegalArgumentException e) { 18772 pw.println("Failed writing: " + e); 18773 } catch (IllegalStateException e) { 18774 pw.println("Failed writing: " + e); 18775 } catch (IOException e) { 18776 pw.println("Failed writing: " + e); 18777 } 18778 } 18779 18780 if (!checkin 18781 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18782 && packageName == null) { 18783 pw.println(); 18784 int count = mSettings.mPackages.size(); 18785 if (count == 0) { 18786 pw.println("No applications!"); 18787 pw.println(); 18788 } else { 18789 final String prefix = " "; 18790 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18791 if (allPackageSettings.size() == 0) { 18792 pw.println("No domain preferred apps!"); 18793 pw.println(); 18794 } else { 18795 pw.println("App verification status:"); 18796 pw.println(); 18797 count = 0; 18798 for (PackageSetting ps : allPackageSettings) { 18799 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18800 if (ivi == null || ivi.getPackageName() == null) continue; 18801 pw.println(prefix + "Package: " + ivi.getPackageName()); 18802 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18803 pw.println(prefix + "Status: " + ivi.getStatusString()); 18804 pw.println(); 18805 count++; 18806 } 18807 if (count == 0) { 18808 pw.println(prefix + "No app verification established."); 18809 pw.println(); 18810 } 18811 for (int userId : sUserManager.getUserIds()) { 18812 pw.println("App linkages for user " + userId + ":"); 18813 pw.println(); 18814 count = 0; 18815 for (PackageSetting ps : allPackageSettings) { 18816 final long status = ps.getDomainVerificationStatusForUser(userId); 18817 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18818 continue; 18819 } 18820 pw.println(prefix + "Package: " + ps.name); 18821 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18822 String statusStr = IntentFilterVerificationInfo. 18823 getStatusStringFromValue(status); 18824 pw.println(prefix + "Status: " + statusStr); 18825 pw.println(); 18826 count++; 18827 } 18828 if (count == 0) { 18829 pw.println(prefix + "No configured app linkages."); 18830 pw.println(); 18831 } 18832 } 18833 } 18834 } 18835 } 18836 18837 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18838 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18839 if (packageName == null && permissionNames == null) { 18840 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18841 if (iperm == 0) { 18842 if (dumpState.onTitlePrinted()) 18843 pw.println(); 18844 pw.println("AppOp Permissions:"); 18845 } 18846 pw.print(" AppOp Permission "); 18847 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18848 pw.println(":"); 18849 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18850 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18851 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18852 } 18853 } 18854 } 18855 } 18856 18857 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18858 boolean printedSomething = false; 18859 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18860 if (packageName != null && !packageName.equals(p.info.packageName)) { 18861 continue; 18862 } 18863 if (!printedSomething) { 18864 if (dumpState.onTitlePrinted()) 18865 pw.println(); 18866 pw.println("Registered ContentProviders:"); 18867 printedSomething = true; 18868 } 18869 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18870 pw.print(" "); pw.println(p.toString()); 18871 } 18872 printedSomething = false; 18873 for (Map.Entry<String, PackageParser.Provider> entry : 18874 mProvidersByAuthority.entrySet()) { 18875 PackageParser.Provider p = entry.getValue(); 18876 if (packageName != null && !packageName.equals(p.info.packageName)) { 18877 continue; 18878 } 18879 if (!printedSomething) { 18880 if (dumpState.onTitlePrinted()) 18881 pw.println(); 18882 pw.println("ContentProvider Authorities:"); 18883 printedSomething = true; 18884 } 18885 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18886 pw.print(" "); pw.println(p.toString()); 18887 if (p.info != null && p.info.applicationInfo != null) { 18888 final String appInfo = p.info.applicationInfo.toString(); 18889 pw.print(" applicationInfo="); pw.println(appInfo); 18890 } 18891 } 18892 } 18893 18894 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18895 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18896 } 18897 18898 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18899 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18900 } 18901 18902 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18903 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18904 } 18905 18906 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18907 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18908 } 18909 18910 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18911 // XXX should handle packageName != null by dumping only install data that 18912 // the given package is involved with. 18913 if (dumpState.onTitlePrinted()) pw.println(); 18914 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18915 } 18916 18917 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18918 // XXX should handle packageName != null by dumping only install data that 18919 // the given package is involved with. 18920 if (dumpState.onTitlePrinted()) pw.println(); 18921 18922 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18923 ipw.println(); 18924 ipw.println("Frozen packages:"); 18925 ipw.increaseIndent(); 18926 if (mFrozenPackages.size() == 0) { 18927 ipw.println("(none)"); 18928 } else { 18929 for (int i = 0; i < mFrozenPackages.size(); i++) { 18930 ipw.println(mFrozenPackages.valueAt(i)); 18931 } 18932 } 18933 ipw.decreaseIndent(); 18934 } 18935 18936 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18937 if (dumpState.onTitlePrinted()) pw.println(); 18938 dumpDexoptStateLPr(pw, packageName); 18939 } 18940 18941 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 18942 if (dumpState.onTitlePrinted()) pw.println(); 18943 dumpCompilerStatsLPr(pw, packageName); 18944 } 18945 18946 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18947 if (dumpState.onTitlePrinted()) pw.println(); 18948 mSettings.dumpReadMessagesLPr(pw, dumpState); 18949 18950 pw.println(); 18951 pw.println("Package warning messages:"); 18952 BufferedReader in = null; 18953 String line = null; 18954 try { 18955 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18956 while ((line = in.readLine()) != null) { 18957 if (line.contains("ignored: updated version")) continue; 18958 pw.println(line); 18959 } 18960 } catch (IOException ignored) { 18961 } finally { 18962 IoUtils.closeQuietly(in); 18963 } 18964 } 18965 18966 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18967 BufferedReader in = null; 18968 String line = null; 18969 try { 18970 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18971 while ((line = in.readLine()) != null) { 18972 if (line.contains("ignored: updated version")) continue; 18973 pw.print("msg,"); 18974 pw.println(line); 18975 } 18976 } catch (IOException ignored) { 18977 } finally { 18978 IoUtils.closeQuietly(in); 18979 } 18980 } 18981 } 18982 } 18983 18984 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18985 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18986 ipw.println(); 18987 ipw.println("Dexopt state:"); 18988 ipw.increaseIndent(); 18989 Collection<PackageParser.Package> packages = null; 18990 if (packageName != null) { 18991 PackageParser.Package targetPackage = mPackages.get(packageName); 18992 if (targetPackage != null) { 18993 packages = Collections.singletonList(targetPackage); 18994 } else { 18995 ipw.println("Unable to find package: " + packageName); 18996 return; 18997 } 18998 } else { 18999 packages = mPackages.values(); 19000 } 19001 19002 for (PackageParser.Package pkg : packages) { 19003 ipw.println("[" + pkg.packageName + "]"); 19004 ipw.increaseIndent(); 19005 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 19006 ipw.decreaseIndent(); 19007 } 19008 } 19009 19010 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 19011 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19012 ipw.println(); 19013 ipw.println("Compiler stats:"); 19014 ipw.increaseIndent(); 19015 Collection<PackageParser.Package> packages = null; 19016 if (packageName != null) { 19017 PackageParser.Package targetPackage = mPackages.get(packageName); 19018 if (targetPackage != null) { 19019 packages = Collections.singletonList(targetPackage); 19020 } else { 19021 ipw.println("Unable to find package: " + packageName); 19022 return; 19023 } 19024 } else { 19025 packages = mPackages.values(); 19026 } 19027 19028 for (PackageParser.Package pkg : packages) { 19029 ipw.println("[" + pkg.packageName + "]"); 19030 ipw.increaseIndent(); 19031 19032 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 19033 if (stats == null) { 19034 ipw.println("(No recorded stats)"); 19035 } else { 19036 stats.dump(ipw); 19037 } 19038 ipw.decreaseIndent(); 19039 } 19040 } 19041 19042 private String dumpDomainString(String packageName) { 19043 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 19044 .getList(); 19045 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 19046 19047 ArraySet<String> result = new ArraySet<>(); 19048 if (iviList.size() > 0) { 19049 for (IntentFilterVerificationInfo ivi : iviList) { 19050 for (String host : ivi.getDomains()) { 19051 result.add(host); 19052 } 19053 } 19054 } 19055 if (filters != null && filters.size() > 0) { 19056 for (IntentFilter filter : filters) { 19057 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 19058 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 19059 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 19060 result.addAll(filter.getHostsList()); 19061 } 19062 } 19063 } 19064 19065 StringBuilder sb = new StringBuilder(result.size() * 16); 19066 for (String domain : result) { 19067 if (sb.length() > 0) sb.append(" "); 19068 sb.append(domain); 19069 } 19070 return sb.toString(); 19071 } 19072 19073 // ------- apps on sdcard specific code ------- 19074 static final boolean DEBUG_SD_INSTALL = false; 19075 19076 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 19077 19078 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 19079 19080 private boolean mMediaMounted = false; 19081 19082 static String getEncryptKey() { 19083 try { 19084 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 19085 SD_ENCRYPTION_KEYSTORE_NAME); 19086 if (sdEncKey == null) { 19087 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 19088 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 19089 if (sdEncKey == null) { 19090 Slog.e(TAG, "Failed to create encryption keys"); 19091 return null; 19092 } 19093 } 19094 return sdEncKey; 19095 } catch (NoSuchAlgorithmException nsae) { 19096 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 19097 return null; 19098 } catch (IOException ioe) { 19099 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 19100 return null; 19101 } 19102 } 19103 19104 /* 19105 * Update media status on PackageManager. 19106 */ 19107 @Override 19108 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 19109 int callingUid = Binder.getCallingUid(); 19110 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 19111 throw new SecurityException("Media status can only be updated by the system"); 19112 } 19113 // reader; this apparently protects mMediaMounted, but should probably 19114 // be a different lock in that case. 19115 synchronized (mPackages) { 19116 Log.i(TAG, "Updating external media status from " 19117 + (mMediaMounted ? "mounted" : "unmounted") + " to " 19118 + (mediaStatus ? "mounted" : "unmounted")); 19119 if (DEBUG_SD_INSTALL) 19120 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 19121 + ", mMediaMounted=" + mMediaMounted); 19122 if (mediaStatus == mMediaMounted) { 19123 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 19124 : 0, -1); 19125 mHandler.sendMessage(msg); 19126 return; 19127 } 19128 mMediaMounted = mediaStatus; 19129 } 19130 // Queue up an async operation since the package installation may take a 19131 // little while. 19132 mHandler.post(new Runnable() { 19133 public void run() { 19134 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 19135 } 19136 }); 19137 } 19138 19139 /** 19140 * Called by MountService when the initial ASECs to scan are available. 19141 * Should block until all the ASEC containers are finished being scanned. 19142 */ 19143 public void scanAvailableAsecs() { 19144 updateExternalMediaStatusInner(true, false, false); 19145 } 19146 19147 /* 19148 * Collect information of applications on external media, map them against 19149 * existing containers and update information based on current mount status. 19150 * Please note that we always have to report status if reportStatus has been 19151 * set to true especially when unloading packages. 19152 */ 19153 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 19154 boolean externalStorage) { 19155 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 19156 int[] uidArr = EmptyArray.INT; 19157 19158 final String[] list = PackageHelper.getSecureContainerList(); 19159 if (ArrayUtils.isEmpty(list)) { 19160 Log.i(TAG, "No secure containers found"); 19161 } else { 19162 // Process list of secure containers and categorize them 19163 // as active or stale based on their package internal state. 19164 19165 // reader 19166 synchronized (mPackages) { 19167 for (String cid : list) { 19168 // Leave stages untouched for now; installer service owns them 19169 if (PackageInstallerService.isStageName(cid)) continue; 19170 19171 if (DEBUG_SD_INSTALL) 19172 Log.i(TAG, "Processing container " + cid); 19173 String pkgName = getAsecPackageName(cid); 19174 if (pkgName == null) { 19175 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19176 continue; 19177 } 19178 if (DEBUG_SD_INSTALL) 19179 Log.i(TAG, "Looking for pkg : " + pkgName); 19180 19181 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19182 if (ps == null) { 19183 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19184 continue; 19185 } 19186 19187 /* 19188 * Skip packages that are not external if we're unmounting 19189 * external storage. 19190 */ 19191 if (externalStorage && !isMounted && !isExternal(ps)) { 19192 continue; 19193 } 19194 19195 final AsecInstallArgs args = new AsecInstallArgs(cid, 19196 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19197 // The package status is changed only if the code path 19198 // matches between settings and the container id. 19199 if (ps.codePathString != null 19200 && ps.codePathString.startsWith(args.getCodePath())) { 19201 if (DEBUG_SD_INSTALL) { 19202 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19203 + " at code path: " + ps.codePathString); 19204 } 19205 19206 // We do have a valid package installed on sdcard 19207 processCids.put(args, ps.codePathString); 19208 final int uid = ps.appId; 19209 if (uid != -1) { 19210 uidArr = ArrayUtils.appendInt(uidArr, uid); 19211 } 19212 } else { 19213 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19214 + ps.codePathString); 19215 } 19216 } 19217 } 19218 19219 Arrays.sort(uidArr); 19220 } 19221 19222 // Process packages with valid entries. 19223 if (isMounted) { 19224 if (DEBUG_SD_INSTALL) 19225 Log.i(TAG, "Loading packages"); 19226 loadMediaPackages(processCids, uidArr, externalStorage); 19227 startCleaningPackages(); 19228 mInstallerService.onSecureContainersAvailable(); 19229 } else { 19230 if (DEBUG_SD_INSTALL) 19231 Log.i(TAG, "Unloading packages"); 19232 unloadMediaPackages(processCids, uidArr, reportStatus); 19233 } 19234 } 19235 19236 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19237 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19238 final int size = infos.size(); 19239 final String[] packageNames = new String[size]; 19240 final int[] packageUids = new int[size]; 19241 for (int i = 0; i < size; i++) { 19242 final ApplicationInfo info = infos.get(i); 19243 packageNames[i] = info.packageName; 19244 packageUids[i] = info.uid; 19245 } 19246 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19247 finishedReceiver); 19248 } 19249 19250 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19251 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19252 sendResourcesChangedBroadcast(mediaStatus, replacing, 19253 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19254 } 19255 19256 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19257 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19258 int size = pkgList.length; 19259 if (size > 0) { 19260 // Send broadcasts here 19261 Bundle extras = new Bundle(); 19262 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19263 if (uidArr != null) { 19264 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19265 } 19266 if (replacing) { 19267 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19268 } 19269 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19270 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19271 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19272 } 19273 } 19274 19275 /* 19276 * Look at potentially valid container ids from processCids If package 19277 * information doesn't match the one on record or package scanning fails, 19278 * the cid is added to list of removeCids. We currently don't delete stale 19279 * containers. 19280 */ 19281 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19282 boolean externalStorage) { 19283 ArrayList<String> pkgList = new ArrayList<String>(); 19284 Set<AsecInstallArgs> keys = processCids.keySet(); 19285 19286 for (AsecInstallArgs args : keys) { 19287 String codePath = processCids.get(args); 19288 if (DEBUG_SD_INSTALL) 19289 Log.i(TAG, "Loading container : " + args.cid); 19290 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19291 try { 19292 // Make sure there are no container errors first. 19293 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19294 Slog.e(TAG, "Failed to mount cid : " + args.cid 19295 + " when installing from sdcard"); 19296 continue; 19297 } 19298 // Check code path here. 19299 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19300 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19301 + " does not match one in settings " + codePath); 19302 continue; 19303 } 19304 // Parse package 19305 int parseFlags = mDefParseFlags; 19306 if (args.isExternalAsec()) { 19307 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19308 } 19309 if (args.isFwdLocked()) { 19310 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19311 } 19312 19313 synchronized (mInstallLock) { 19314 PackageParser.Package pkg = null; 19315 try { 19316 // Sadly we don't know the package name yet to freeze it 19317 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19318 SCAN_IGNORE_FROZEN, 0, null); 19319 } catch (PackageManagerException e) { 19320 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19321 } 19322 // Scan the package 19323 if (pkg != null) { 19324 /* 19325 * TODO why is the lock being held? doPostInstall is 19326 * called in other places without the lock. This needs 19327 * to be straightened out. 19328 */ 19329 // writer 19330 synchronized (mPackages) { 19331 retCode = PackageManager.INSTALL_SUCCEEDED; 19332 pkgList.add(pkg.packageName); 19333 // Post process args 19334 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19335 pkg.applicationInfo.uid); 19336 } 19337 } else { 19338 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19339 } 19340 } 19341 19342 } finally { 19343 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19344 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19345 } 19346 } 19347 } 19348 // writer 19349 synchronized (mPackages) { 19350 // If the platform SDK has changed since the last time we booted, 19351 // we need to re-grant app permission to catch any new ones that 19352 // appear. This is really a hack, and means that apps can in some 19353 // cases get permissions that the user didn't initially explicitly 19354 // allow... it would be nice to have some better way to handle 19355 // this situation. 19356 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19357 : mSettings.getInternalVersion(); 19358 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19359 : StorageManager.UUID_PRIVATE_INTERNAL; 19360 19361 int updateFlags = UPDATE_PERMISSIONS_ALL; 19362 if (ver.sdkVersion != mSdkVersion) { 19363 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19364 + mSdkVersion + "; regranting permissions for external"); 19365 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19366 } 19367 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19368 19369 // Yay, everything is now upgraded 19370 ver.forceCurrent(); 19371 19372 // can downgrade to reader 19373 // Persist settings 19374 mSettings.writeLPr(); 19375 } 19376 // Send a broadcast to let everyone know we are done processing 19377 if (pkgList.size() > 0) { 19378 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19379 } 19380 } 19381 19382 /* 19383 * Utility method to unload a list of specified containers 19384 */ 19385 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19386 // Just unmount all valid containers. 19387 for (AsecInstallArgs arg : cidArgs) { 19388 synchronized (mInstallLock) { 19389 arg.doPostDeleteLI(false); 19390 } 19391 } 19392 } 19393 19394 /* 19395 * Unload packages mounted on external media. This involves deleting package 19396 * data from internal structures, sending broadcasts about disabled packages, 19397 * gc'ing to free up references, unmounting all secure containers 19398 * corresponding to packages on external media, and posting a 19399 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19400 * that we always have to post this message if status has been requested no 19401 * matter what. 19402 */ 19403 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19404 final boolean reportStatus) { 19405 if (DEBUG_SD_INSTALL) 19406 Log.i(TAG, "unloading media packages"); 19407 ArrayList<String> pkgList = new ArrayList<String>(); 19408 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19409 final Set<AsecInstallArgs> keys = processCids.keySet(); 19410 for (AsecInstallArgs args : keys) { 19411 String pkgName = args.getPackageName(); 19412 if (DEBUG_SD_INSTALL) 19413 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19414 // Delete package internally 19415 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19416 synchronized (mInstallLock) { 19417 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19418 final boolean res; 19419 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19420 "unloadMediaPackages")) { 19421 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19422 null); 19423 } 19424 if (res) { 19425 pkgList.add(pkgName); 19426 } else { 19427 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19428 failedList.add(args); 19429 } 19430 } 19431 } 19432 19433 // reader 19434 synchronized (mPackages) { 19435 // We didn't update the settings after removing each package; 19436 // write them now for all packages. 19437 mSettings.writeLPr(); 19438 } 19439 19440 // We have to absolutely send UPDATED_MEDIA_STATUS only 19441 // after confirming that all the receivers processed the ordered 19442 // broadcast when packages get disabled, force a gc to clean things up. 19443 // and unload all the containers. 19444 if (pkgList.size() > 0) { 19445 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19446 new IIntentReceiver.Stub() { 19447 public void performReceive(Intent intent, int resultCode, String data, 19448 Bundle extras, boolean ordered, boolean sticky, 19449 int sendingUser) throws RemoteException { 19450 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19451 reportStatus ? 1 : 0, 1, keys); 19452 mHandler.sendMessage(msg); 19453 } 19454 }); 19455 } else { 19456 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19457 keys); 19458 mHandler.sendMessage(msg); 19459 } 19460 } 19461 19462 private void loadPrivatePackages(final VolumeInfo vol) { 19463 mHandler.post(new Runnable() { 19464 @Override 19465 public void run() { 19466 loadPrivatePackagesInner(vol); 19467 } 19468 }); 19469 } 19470 19471 private void loadPrivatePackagesInner(VolumeInfo vol) { 19472 final String volumeUuid = vol.fsUuid; 19473 if (TextUtils.isEmpty(volumeUuid)) { 19474 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19475 return; 19476 } 19477 19478 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19479 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19480 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19481 19482 final VersionInfo ver; 19483 final List<PackageSetting> packages; 19484 synchronized (mPackages) { 19485 ver = mSettings.findOrCreateVersion(volumeUuid); 19486 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19487 } 19488 19489 for (PackageSetting ps : packages) { 19490 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19491 synchronized (mInstallLock) { 19492 final PackageParser.Package pkg; 19493 try { 19494 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19495 loaded.add(pkg.applicationInfo); 19496 19497 } catch (PackageManagerException e) { 19498 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19499 } 19500 19501 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19502 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19503 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19504 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19505 } 19506 } 19507 } 19508 19509 // Reconcile app data for all started/unlocked users 19510 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19511 final UserManager um = mContext.getSystemService(UserManager.class); 19512 UserManagerInternal umInternal = getUserManagerInternal(); 19513 for (UserInfo user : um.getUsers()) { 19514 final int flags; 19515 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19516 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19517 } else if (umInternal.isUserRunning(user.id)) { 19518 flags = StorageManager.FLAG_STORAGE_DE; 19519 } else { 19520 continue; 19521 } 19522 19523 try { 19524 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19525 synchronized (mInstallLock) { 19526 reconcileAppsDataLI(volumeUuid, user.id, flags); 19527 } 19528 } catch (IllegalStateException e) { 19529 // Device was probably ejected, and we'll process that event momentarily 19530 Slog.w(TAG, "Failed to prepare storage: " + e); 19531 } 19532 } 19533 19534 synchronized (mPackages) { 19535 int updateFlags = UPDATE_PERMISSIONS_ALL; 19536 if (ver.sdkVersion != mSdkVersion) { 19537 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19538 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19539 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19540 } 19541 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19542 19543 // Yay, everything is now upgraded 19544 ver.forceCurrent(); 19545 19546 mSettings.writeLPr(); 19547 } 19548 19549 for (PackageFreezer freezer : freezers) { 19550 freezer.close(); 19551 } 19552 19553 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19554 sendResourcesChangedBroadcast(true, false, loaded, null); 19555 } 19556 19557 private void unloadPrivatePackages(final VolumeInfo vol) { 19558 mHandler.post(new Runnable() { 19559 @Override 19560 public void run() { 19561 unloadPrivatePackagesInner(vol); 19562 } 19563 }); 19564 } 19565 19566 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19567 final String volumeUuid = vol.fsUuid; 19568 if (TextUtils.isEmpty(volumeUuid)) { 19569 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19570 return; 19571 } 19572 19573 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19574 synchronized (mInstallLock) { 19575 synchronized (mPackages) { 19576 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19577 for (PackageSetting ps : packages) { 19578 if (ps.pkg == null) continue; 19579 19580 final ApplicationInfo info = ps.pkg.applicationInfo; 19581 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19582 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19583 19584 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19585 "unloadPrivatePackagesInner")) { 19586 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19587 false, null)) { 19588 unloaded.add(info); 19589 } else { 19590 Slog.w(TAG, "Failed to unload " + ps.codePath); 19591 } 19592 } 19593 19594 // Try very hard to release any references to this package 19595 // so we don't risk the system server being killed due to 19596 // open FDs 19597 AttributeCache.instance().removePackage(ps.name); 19598 } 19599 19600 mSettings.writeLPr(); 19601 } 19602 } 19603 19604 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19605 sendResourcesChangedBroadcast(false, false, unloaded, null); 19606 19607 // Try very hard to release any references to this path so we don't risk 19608 // the system server being killed due to open FDs 19609 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19610 19611 for (int i = 0; i < 3; i++) { 19612 System.gc(); 19613 System.runFinalization(); 19614 } 19615 } 19616 19617 /** 19618 * Prepare storage areas for given user on all mounted devices. 19619 */ 19620 void prepareUserData(int userId, int userSerial, int flags) { 19621 synchronized (mInstallLock) { 19622 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19623 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19624 final String volumeUuid = vol.getFsUuid(); 19625 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19626 } 19627 } 19628 } 19629 19630 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19631 boolean allowRecover) { 19632 // Prepare storage and verify that serial numbers are consistent; if 19633 // there's a mismatch we need to destroy to avoid leaking data 19634 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19635 try { 19636 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19637 19638 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19639 UserManagerService.enforceSerialNumber( 19640 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19641 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19642 UserManagerService.enforceSerialNumber( 19643 Environment.getDataSystemDeDirectory(userId), userSerial); 19644 } 19645 } 19646 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19647 UserManagerService.enforceSerialNumber( 19648 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19649 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19650 UserManagerService.enforceSerialNumber( 19651 Environment.getDataSystemCeDirectory(userId), userSerial); 19652 } 19653 } 19654 19655 synchronized (mInstallLock) { 19656 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19657 } 19658 } catch (Exception e) { 19659 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19660 + " because we failed to prepare: " + e); 19661 destroyUserDataLI(volumeUuid, userId, 19662 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19663 19664 if (allowRecover) { 19665 // Try one last time; if we fail again we're really in trouble 19666 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19667 } 19668 } 19669 } 19670 19671 /** 19672 * Destroy storage areas for given user on all mounted devices. 19673 */ 19674 void destroyUserData(int userId, int flags) { 19675 synchronized (mInstallLock) { 19676 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19677 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19678 final String volumeUuid = vol.getFsUuid(); 19679 destroyUserDataLI(volumeUuid, userId, flags); 19680 } 19681 } 19682 } 19683 19684 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19685 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19686 try { 19687 // Clean up app data, profile data, and media data 19688 mInstaller.destroyUserData(volumeUuid, userId, flags); 19689 19690 // Clean up system data 19691 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19692 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19693 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19694 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19695 } 19696 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19697 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19698 } 19699 } 19700 19701 // Data with special labels is now gone, so finish the job 19702 storage.destroyUserStorage(volumeUuid, userId, flags); 19703 19704 } catch (Exception e) { 19705 logCriticalInfo(Log.WARN, 19706 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19707 } 19708 } 19709 19710 /** 19711 * Examine all users present on given mounted volume, and destroy data 19712 * belonging to users that are no longer valid, or whose user ID has been 19713 * recycled. 19714 */ 19715 private void reconcileUsers(String volumeUuid) { 19716 final List<File> files = new ArrayList<>(); 19717 Collections.addAll(files, FileUtils 19718 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19719 Collections.addAll(files, FileUtils 19720 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19721 Collections.addAll(files, FileUtils 19722 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19723 Collections.addAll(files, FileUtils 19724 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19725 for (File file : files) { 19726 if (!file.isDirectory()) continue; 19727 19728 final int userId; 19729 final UserInfo info; 19730 try { 19731 userId = Integer.parseInt(file.getName()); 19732 info = sUserManager.getUserInfo(userId); 19733 } catch (NumberFormatException e) { 19734 Slog.w(TAG, "Invalid user directory " + file); 19735 continue; 19736 } 19737 19738 boolean destroyUser = false; 19739 if (info == null) { 19740 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19741 + " because no matching user was found"); 19742 destroyUser = true; 19743 } else if (!mOnlyCore) { 19744 try { 19745 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19746 } catch (IOException e) { 19747 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19748 + " because we failed to enforce serial number: " + e); 19749 destroyUser = true; 19750 } 19751 } 19752 19753 if (destroyUser) { 19754 synchronized (mInstallLock) { 19755 destroyUserDataLI(volumeUuid, userId, 19756 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19757 } 19758 } 19759 } 19760 } 19761 19762 private void assertPackageKnown(String volumeUuid, String packageName) 19763 throws PackageManagerException { 19764 synchronized (mPackages) { 19765 // Normalize package name to handle renamed packages 19766 packageName = normalizePackageNameLPr(packageName); 19767 19768 final PackageSetting ps = mSettings.mPackages.get(packageName); 19769 if (ps == null) { 19770 throw new PackageManagerException("Package " + packageName + " is unknown"); 19771 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19772 throw new PackageManagerException( 19773 "Package " + packageName + " found on unknown volume " + volumeUuid 19774 + "; expected volume " + ps.volumeUuid); 19775 } 19776 } 19777 } 19778 19779 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19780 throws PackageManagerException { 19781 synchronized (mPackages) { 19782 // Normalize package name to handle renamed packages 19783 packageName = normalizePackageNameLPr(packageName); 19784 19785 final PackageSetting ps = mSettings.mPackages.get(packageName); 19786 if (ps == null) { 19787 throw new PackageManagerException("Package " + packageName + " is unknown"); 19788 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19789 throw new PackageManagerException( 19790 "Package " + packageName + " found on unknown volume " + volumeUuid 19791 + "; expected volume " + ps.volumeUuid); 19792 } else if (!ps.getInstalled(userId)) { 19793 throw new PackageManagerException( 19794 "Package " + packageName + " not installed for user " + userId); 19795 } 19796 } 19797 } 19798 19799 /** 19800 * Examine all apps present on given mounted volume, and destroy apps that 19801 * aren't expected, either due to uninstallation or reinstallation on 19802 * another volume. 19803 */ 19804 private void reconcileApps(String volumeUuid) { 19805 final File[] files = FileUtils 19806 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19807 for (File file : files) { 19808 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19809 && !PackageInstallerService.isStageName(file.getName()); 19810 if (!isPackage) { 19811 // Ignore entries which are not packages 19812 continue; 19813 } 19814 19815 try { 19816 final PackageLite pkg = PackageParser.parsePackageLite(file, 19817 PackageParser.PARSE_MUST_BE_APK); 19818 assertPackageKnown(volumeUuid, pkg.packageName); 19819 19820 } catch (PackageParserException | PackageManagerException e) { 19821 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19822 synchronized (mInstallLock) { 19823 removeCodePathLI(file); 19824 } 19825 } 19826 } 19827 } 19828 19829 /** 19830 * Reconcile all app data for the given user. 19831 * <p> 19832 * Verifies that directories exist and that ownership and labeling is 19833 * correct for all installed apps on all mounted volumes. 19834 */ 19835 void reconcileAppsData(int userId, int flags) { 19836 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19837 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19838 final String volumeUuid = vol.getFsUuid(); 19839 synchronized (mInstallLock) { 19840 reconcileAppsDataLI(volumeUuid, userId, flags); 19841 } 19842 } 19843 } 19844 19845 /** 19846 * Reconcile all app data on given mounted volume. 19847 * <p> 19848 * Destroys app data that isn't expected, either due to uninstallation or 19849 * reinstallation on another volume. 19850 * <p> 19851 * Verifies that directories exist and that ownership and labeling is 19852 * correct for all installed apps. 19853 */ 19854 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19855 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19856 + Integer.toHexString(flags)); 19857 19858 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19859 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19860 19861 // First look for stale data that doesn't belong, and check if things 19862 // have changed since we did our last restorecon 19863 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19864 if (StorageManager.isFileEncryptedNativeOrEmulated() 19865 && !StorageManager.isUserKeyUnlocked(userId)) { 19866 throw new RuntimeException( 19867 "Yikes, someone asked us to reconcile CE storage while " + userId 19868 + " was still locked; this would have caused massive data loss!"); 19869 } 19870 19871 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19872 for (File file : files) { 19873 final String packageName = file.getName(); 19874 try { 19875 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19876 } catch (PackageManagerException e) { 19877 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19878 try { 19879 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19880 StorageManager.FLAG_STORAGE_CE, 0); 19881 } catch (InstallerException e2) { 19882 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19883 } 19884 } 19885 } 19886 } 19887 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19888 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19889 for (File file : files) { 19890 final String packageName = file.getName(); 19891 try { 19892 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19893 } catch (PackageManagerException e) { 19894 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19895 try { 19896 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19897 StorageManager.FLAG_STORAGE_DE, 0); 19898 } catch (InstallerException e2) { 19899 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19900 } 19901 } 19902 } 19903 } 19904 19905 // Ensure that data directories are ready to roll for all packages 19906 // installed for this volume and user 19907 final List<PackageSetting> packages; 19908 synchronized (mPackages) { 19909 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19910 } 19911 int preparedCount = 0; 19912 for (PackageSetting ps : packages) { 19913 final String packageName = ps.name; 19914 if (ps.pkg == null) { 19915 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19916 // TODO: might be due to legacy ASEC apps; we should circle back 19917 // and reconcile again once they're scanned 19918 continue; 19919 } 19920 19921 if (ps.getInstalled(userId)) { 19922 prepareAppDataLIF(ps.pkg, userId, flags); 19923 19924 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19925 // We may have just shuffled around app data directories, so 19926 // prepare them one more time 19927 prepareAppDataLIF(ps.pkg, userId, flags); 19928 } 19929 19930 preparedCount++; 19931 } 19932 } 19933 19934 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 19935 } 19936 19937 /** 19938 * Prepare app data for the given app just after it was installed or 19939 * upgraded. This method carefully only touches users that it's installed 19940 * for, and it forces a restorecon to handle any seinfo changes. 19941 * <p> 19942 * Verifies that directories exist and that ownership and labeling is 19943 * correct for all installed apps. If there is an ownership mismatch, it 19944 * will try recovering system apps by wiping data; third-party app data is 19945 * left intact. 19946 * <p> 19947 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19948 */ 19949 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19950 final PackageSetting ps; 19951 synchronized (mPackages) { 19952 ps = mSettings.mPackages.get(pkg.packageName); 19953 mSettings.writeKernelMappingLPr(ps); 19954 } 19955 19956 final UserManager um = mContext.getSystemService(UserManager.class); 19957 UserManagerInternal umInternal = getUserManagerInternal(); 19958 for (UserInfo user : um.getUsers()) { 19959 final int flags; 19960 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19961 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19962 } else if (umInternal.isUserRunning(user.id)) { 19963 flags = StorageManager.FLAG_STORAGE_DE; 19964 } else { 19965 continue; 19966 } 19967 19968 if (ps.getInstalled(user.id)) { 19969 // TODO: when user data is locked, mark that we're still dirty 19970 prepareAppDataLIF(pkg, user.id, flags); 19971 } 19972 } 19973 } 19974 19975 /** 19976 * Prepare app data for the given app. 19977 * <p> 19978 * Verifies that directories exist and that ownership and labeling is 19979 * correct for all installed apps. If there is an ownership mismatch, this 19980 * will try recovering system apps by wiping data; third-party app data is 19981 * left intact. 19982 */ 19983 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 19984 if (pkg == null) { 19985 Slog.wtf(TAG, "Package was null!", new Throwable()); 19986 return; 19987 } 19988 prepareAppDataLeafLIF(pkg, userId, flags); 19989 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19990 for (int i = 0; i < childCount; i++) { 19991 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 19992 } 19993 } 19994 19995 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19996 if (DEBUG_APP_DATA) { 19997 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19998 + Integer.toHexString(flags)); 19999 } 20000 20001 final String volumeUuid = pkg.volumeUuid; 20002 final String packageName = pkg.packageName; 20003 final ApplicationInfo app = pkg.applicationInfo; 20004 final int appId = UserHandle.getAppId(app.uid); 20005 20006 Preconditions.checkNotNull(app.seinfo); 20007 20008 try { 20009 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20010 appId, app.seinfo, app.targetSdkVersion); 20011 } catch (InstallerException e) { 20012 if (app.isSystemApp()) { 20013 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 20014 + ", but trying to recover: " + e); 20015 destroyAppDataLeafLIF(pkg, userId, flags); 20016 try { 20017 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20018 appId, app.seinfo, app.targetSdkVersion); 20019 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 20020 } catch (InstallerException e2) { 20021 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 20022 } 20023 } else { 20024 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 20025 } 20026 } 20027 20028 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20029 try { 20030 // CE storage is unlocked right now, so read out the inode and 20031 // remember for use later when it's locked 20032 // TODO: mark this structure as dirty so we persist it! 20033 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 20034 StorageManager.FLAG_STORAGE_CE); 20035 synchronized (mPackages) { 20036 final PackageSetting ps = mSettings.mPackages.get(packageName); 20037 if (ps != null) { 20038 ps.setCeDataInode(ceDataInode, userId); 20039 } 20040 } 20041 } catch (InstallerException e) { 20042 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 20043 } 20044 } 20045 20046 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20047 } 20048 20049 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 20050 if (pkg == null) { 20051 Slog.wtf(TAG, "Package was null!", new Throwable()); 20052 return; 20053 } 20054 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20055 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20056 for (int i = 0; i < childCount; i++) { 20057 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 20058 } 20059 } 20060 20061 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20062 final String volumeUuid = pkg.volumeUuid; 20063 final String packageName = pkg.packageName; 20064 final ApplicationInfo app = pkg.applicationInfo; 20065 20066 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20067 // Create a native library symlink only if we have native libraries 20068 // and if the native libraries are 32 bit libraries. We do not provide 20069 // this symlink for 64 bit libraries. 20070 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 20071 final String nativeLibPath = app.nativeLibraryDir; 20072 try { 20073 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 20074 nativeLibPath, userId); 20075 } catch (InstallerException e) { 20076 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 20077 } 20078 } 20079 } 20080 } 20081 20082 /** 20083 * For system apps on non-FBE devices, this method migrates any existing 20084 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 20085 * requested by the app. 20086 */ 20087 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 20088 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 20089 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 20090 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 20091 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 20092 try { 20093 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 20094 storageTarget); 20095 } catch (InstallerException e) { 20096 logCriticalInfo(Log.WARN, 20097 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 20098 } 20099 return true; 20100 } else { 20101 return false; 20102 } 20103 } 20104 20105 public PackageFreezer freezePackage(String packageName, String killReason) { 20106 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 20107 } 20108 20109 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 20110 return new PackageFreezer(packageName, userId, killReason); 20111 } 20112 20113 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 20114 String killReason) { 20115 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 20116 } 20117 20118 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 20119 String killReason) { 20120 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 20121 return new PackageFreezer(); 20122 } else { 20123 return freezePackage(packageName, userId, killReason); 20124 } 20125 } 20126 20127 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 20128 String killReason) { 20129 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 20130 } 20131 20132 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 20133 String killReason) { 20134 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 20135 return new PackageFreezer(); 20136 } else { 20137 return freezePackage(packageName, userId, killReason); 20138 } 20139 } 20140 20141 /** 20142 * Class that freezes and kills the given package upon creation, and 20143 * unfreezes it upon closing. This is typically used when doing surgery on 20144 * app code/data to prevent the app from running while you're working. 20145 */ 20146 private class PackageFreezer implements AutoCloseable { 20147 private final String mPackageName; 20148 private final PackageFreezer[] mChildren; 20149 20150 private final boolean mWeFroze; 20151 20152 private final AtomicBoolean mClosed = new AtomicBoolean(); 20153 private final CloseGuard mCloseGuard = CloseGuard.get(); 20154 20155 /** 20156 * Create and return a stub freezer that doesn't actually do anything, 20157 * typically used when someone requested 20158 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20159 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20160 */ 20161 public PackageFreezer() { 20162 mPackageName = null; 20163 mChildren = null; 20164 mWeFroze = false; 20165 mCloseGuard.open("close"); 20166 } 20167 20168 public PackageFreezer(String packageName, int userId, String killReason) { 20169 synchronized (mPackages) { 20170 mPackageName = packageName; 20171 mWeFroze = mFrozenPackages.add(mPackageName); 20172 20173 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20174 if (ps != null) { 20175 killApplication(ps.name, ps.appId, userId, killReason); 20176 } 20177 20178 final PackageParser.Package p = mPackages.get(packageName); 20179 if (p != null && p.childPackages != null) { 20180 final int N = p.childPackages.size(); 20181 mChildren = new PackageFreezer[N]; 20182 for (int i = 0; i < N; i++) { 20183 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20184 userId, killReason); 20185 } 20186 } else { 20187 mChildren = null; 20188 } 20189 } 20190 mCloseGuard.open("close"); 20191 } 20192 20193 @Override 20194 protected void finalize() throws Throwable { 20195 try { 20196 mCloseGuard.warnIfOpen(); 20197 close(); 20198 } finally { 20199 super.finalize(); 20200 } 20201 } 20202 20203 @Override 20204 public void close() { 20205 mCloseGuard.close(); 20206 if (mClosed.compareAndSet(false, true)) { 20207 synchronized (mPackages) { 20208 if (mWeFroze) { 20209 mFrozenPackages.remove(mPackageName); 20210 } 20211 20212 if (mChildren != null) { 20213 for (PackageFreezer freezer : mChildren) { 20214 freezer.close(); 20215 } 20216 } 20217 } 20218 } 20219 } 20220 } 20221 20222 /** 20223 * Verify that given package is currently frozen. 20224 */ 20225 private void checkPackageFrozen(String packageName) { 20226 synchronized (mPackages) { 20227 if (!mFrozenPackages.contains(packageName)) { 20228 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20229 } 20230 } 20231 } 20232 20233 @Override 20234 public int movePackage(final String packageName, final String volumeUuid) { 20235 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20236 20237 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20238 final int moveId = mNextMoveId.getAndIncrement(); 20239 mHandler.post(new Runnable() { 20240 @Override 20241 public void run() { 20242 try { 20243 movePackageInternal(packageName, volumeUuid, moveId, user); 20244 } catch (PackageManagerException e) { 20245 Slog.w(TAG, "Failed to move " + packageName, e); 20246 mMoveCallbacks.notifyStatusChanged(moveId, 20247 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20248 } 20249 } 20250 }); 20251 return moveId; 20252 } 20253 20254 private void movePackageInternal(final String packageName, final String volumeUuid, 20255 final int moveId, UserHandle user) throws PackageManagerException { 20256 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20257 final PackageManager pm = mContext.getPackageManager(); 20258 20259 final boolean currentAsec; 20260 final String currentVolumeUuid; 20261 final File codeFile; 20262 final String installerPackageName; 20263 final String packageAbiOverride; 20264 final int appId; 20265 final String seinfo; 20266 final String label; 20267 final int targetSdkVersion; 20268 final PackageFreezer freezer; 20269 final int[] installedUserIds; 20270 20271 // reader 20272 synchronized (mPackages) { 20273 final PackageParser.Package pkg = mPackages.get(packageName); 20274 final PackageSetting ps = mSettings.mPackages.get(packageName); 20275 if (pkg == null || ps == null) { 20276 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20277 } 20278 20279 if (pkg.applicationInfo.isSystemApp()) { 20280 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20281 "Cannot move system application"); 20282 } 20283 20284 if (pkg.applicationInfo.isExternalAsec()) { 20285 currentAsec = true; 20286 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20287 } else if (pkg.applicationInfo.isForwardLocked()) { 20288 currentAsec = true; 20289 currentVolumeUuid = "forward_locked"; 20290 } else { 20291 currentAsec = false; 20292 currentVolumeUuid = ps.volumeUuid; 20293 20294 final File probe = new File(pkg.codePath); 20295 final File probeOat = new File(probe, "oat"); 20296 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20297 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20298 "Move only supported for modern cluster style installs"); 20299 } 20300 } 20301 20302 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20303 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20304 "Package already moved to " + volumeUuid); 20305 } 20306 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20307 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20308 "Device admin cannot be moved"); 20309 } 20310 20311 if (mFrozenPackages.contains(packageName)) { 20312 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20313 "Failed to move already frozen package"); 20314 } 20315 20316 codeFile = new File(pkg.codePath); 20317 installerPackageName = ps.installerPackageName; 20318 packageAbiOverride = ps.cpuAbiOverrideString; 20319 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20320 seinfo = pkg.applicationInfo.seinfo; 20321 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20322 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20323 freezer = freezePackage(packageName, "movePackageInternal"); 20324 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20325 } 20326 20327 final Bundle extras = new Bundle(); 20328 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20329 extras.putString(Intent.EXTRA_TITLE, label); 20330 mMoveCallbacks.notifyCreated(moveId, extras); 20331 20332 int installFlags; 20333 final boolean moveCompleteApp; 20334 final File measurePath; 20335 20336 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20337 installFlags = INSTALL_INTERNAL; 20338 moveCompleteApp = !currentAsec; 20339 measurePath = Environment.getDataAppDirectory(volumeUuid); 20340 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20341 installFlags = INSTALL_EXTERNAL; 20342 moveCompleteApp = false; 20343 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20344 } else { 20345 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20346 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20347 || !volume.isMountedWritable()) { 20348 freezer.close(); 20349 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20350 "Move location not mounted private volume"); 20351 } 20352 20353 Preconditions.checkState(!currentAsec); 20354 20355 installFlags = INSTALL_INTERNAL; 20356 moveCompleteApp = true; 20357 measurePath = Environment.getDataAppDirectory(volumeUuid); 20358 } 20359 20360 final PackageStats stats = new PackageStats(null, -1); 20361 synchronized (mInstaller) { 20362 for (int userId : installedUserIds) { 20363 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20364 freezer.close(); 20365 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20366 "Failed to measure package size"); 20367 } 20368 } 20369 } 20370 20371 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20372 + stats.dataSize); 20373 20374 final long startFreeBytes = measurePath.getFreeSpace(); 20375 final long sizeBytes; 20376 if (moveCompleteApp) { 20377 sizeBytes = stats.codeSize + stats.dataSize; 20378 } else { 20379 sizeBytes = stats.codeSize; 20380 } 20381 20382 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20383 freezer.close(); 20384 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20385 "Not enough free space to move"); 20386 } 20387 20388 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20389 20390 final CountDownLatch installedLatch = new CountDownLatch(1); 20391 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20392 @Override 20393 public void onUserActionRequired(Intent intent) throws RemoteException { 20394 throw new IllegalStateException(); 20395 } 20396 20397 @Override 20398 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20399 Bundle extras) throws RemoteException { 20400 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20401 + PackageManager.installStatusToString(returnCode, msg)); 20402 20403 installedLatch.countDown(); 20404 freezer.close(); 20405 20406 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20407 switch (status) { 20408 case PackageInstaller.STATUS_SUCCESS: 20409 mMoveCallbacks.notifyStatusChanged(moveId, 20410 PackageManager.MOVE_SUCCEEDED); 20411 break; 20412 case PackageInstaller.STATUS_FAILURE_STORAGE: 20413 mMoveCallbacks.notifyStatusChanged(moveId, 20414 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20415 break; 20416 default: 20417 mMoveCallbacks.notifyStatusChanged(moveId, 20418 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20419 break; 20420 } 20421 } 20422 }; 20423 20424 final MoveInfo move; 20425 if (moveCompleteApp) { 20426 // Kick off a thread to report progress estimates 20427 new Thread() { 20428 @Override 20429 public void run() { 20430 while (true) { 20431 try { 20432 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20433 break; 20434 } 20435 } catch (InterruptedException ignored) { 20436 } 20437 20438 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20439 final int progress = 10 + (int) MathUtils.constrain( 20440 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20441 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20442 } 20443 } 20444 }.start(); 20445 20446 final String dataAppName = codeFile.getName(); 20447 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20448 dataAppName, appId, seinfo, targetSdkVersion); 20449 } else { 20450 move = null; 20451 } 20452 20453 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20454 20455 final Message msg = mHandler.obtainMessage(INIT_COPY); 20456 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20457 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20458 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20459 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20460 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20461 msg.obj = params; 20462 20463 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20464 System.identityHashCode(msg.obj)); 20465 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20466 System.identityHashCode(msg.obj)); 20467 20468 mHandler.sendMessage(msg); 20469 } 20470 20471 @Override 20472 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20473 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20474 20475 final int realMoveId = mNextMoveId.getAndIncrement(); 20476 final Bundle extras = new Bundle(); 20477 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20478 mMoveCallbacks.notifyCreated(realMoveId, extras); 20479 20480 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20481 @Override 20482 public void onCreated(int moveId, Bundle extras) { 20483 // Ignored 20484 } 20485 20486 @Override 20487 public void onStatusChanged(int moveId, int status, long estMillis) { 20488 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20489 } 20490 }; 20491 20492 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20493 storage.setPrimaryStorageUuid(volumeUuid, callback); 20494 return realMoveId; 20495 } 20496 20497 @Override 20498 public int getMoveStatus(int moveId) { 20499 mContext.enforceCallingOrSelfPermission( 20500 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20501 return mMoveCallbacks.mLastStatus.get(moveId); 20502 } 20503 20504 @Override 20505 public void registerMoveCallback(IPackageMoveObserver callback) { 20506 mContext.enforceCallingOrSelfPermission( 20507 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20508 mMoveCallbacks.register(callback); 20509 } 20510 20511 @Override 20512 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20513 mContext.enforceCallingOrSelfPermission( 20514 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20515 mMoveCallbacks.unregister(callback); 20516 } 20517 20518 @Override 20519 public boolean setInstallLocation(int loc) { 20520 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20521 null); 20522 if (getInstallLocation() == loc) { 20523 return true; 20524 } 20525 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20526 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20527 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20528 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20529 return true; 20530 } 20531 return false; 20532 } 20533 20534 @Override 20535 public int getInstallLocation() { 20536 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20537 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20538 PackageHelper.APP_INSTALL_AUTO); 20539 } 20540 20541 /** Called by UserManagerService */ 20542 void cleanUpUser(UserManagerService userManager, int userHandle) { 20543 synchronized (mPackages) { 20544 mDirtyUsers.remove(userHandle); 20545 mUserNeedsBadging.delete(userHandle); 20546 mSettings.removeUserLPw(userHandle); 20547 mPendingBroadcasts.remove(userHandle); 20548 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20549 removeUnusedPackagesLPw(userManager, userHandle); 20550 } 20551 } 20552 20553 /** 20554 * We're removing userHandle and would like to remove any downloaded packages 20555 * that are no longer in use by any other user. 20556 * @param userHandle the user being removed 20557 */ 20558 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20559 final boolean DEBUG_CLEAN_APKS = false; 20560 int [] users = userManager.getUserIds(); 20561 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20562 while (psit.hasNext()) { 20563 PackageSetting ps = psit.next(); 20564 if (ps.pkg == null) { 20565 continue; 20566 } 20567 final String packageName = ps.pkg.packageName; 20568 // Skip over if system app 20569 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20570 continue; 20571 } 20572 if (DEBUG_CLEAN_APKS) { 20573 Slog.i(TAG, "Checking package " + packageName); 20574 } 20575 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20576 if (keep) { 20577 if (DEBUG_CLEAN_APKS) { 20578 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20579 } 20580 } else { 20581 for (int i = 0; i < users.length; i++) { 20582 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20583 keep = true; 20584 if (DEBUG_CLEAN_APKS) { 20585 Slog.i(TAG, " Keeping package " + packageName + " for user " 20586 + users[i]); 20587 } 20588 break; 20589 } 20590 } 20591 } 20592 if (!keep) { 20593 if (DEBUG_CLEAN_APKS) { 20594 Slog.i(TAG, " Removing package " + packageName); 20595 } 20596 mHandler.post(new Runnable() { 20597 public void run() { 20598 deletePackageX(packageName, userHandle, 0); 20599 } //end run 20600 }); 20601 } 20602 } 20603 } 20604 20605 /** Called by UserManagerService */ 20606 void createNewUser(int userId) { 20607 synchronized (mInstallLock) { 20608 mSettings.createNewUserLI(this, mInstaller, userId); 20609 } 20610 synchronized (mPackages) { 20611 scheduleWritePackageRestrictionsLocked(userId); 20612 scheduleWritePackageListLocked(userId); 20613 applyFactoryDefaultBrowserLPw(userId); 20614 primeDomainVerificationsLPw(userId); 20615 } 20616 } 20617 20618 void onNewUserCreated(final int userId) { 20619 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20620 // If permission review for legacy apps is required, we represent 20621 // dagerous permissions for such apps as always granted runtime 20622 // permissions to keep per user flag state whether review is needed. 20623 // Hence, if a new user is added we have to propagate dangerous 20624 // permission grants for these legacy apps. 20625 if (mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) { 20626 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20627 | UPDATE_PERMISSIONS_REPLACE_ALL); 20628 } 20629 } 20630 20631 @Override 20632 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20633 mContext.enforceCallingOrSelfPermission( 20634 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20635 "Only package verification agents can read the verifier device identity"); 20636 20637 synchronized (mPackages) { 20638 return mSettings.getVerifierDeviceIdentityLPw(); 20639 } 20640 } 20641 20642 @Override 20643 public void setPermissionEnforced(String permission, boolean enforced) { 20644 // TODO: Now that we no longer change GID for storage, this should to away. 20645 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20646 "setPermissionEnforced"); 20647 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20648 synchronized (mPackages) { 20649 if (mSettings.mReadExternalStorageEnforced == null 20650 || mSettings.mReadExternalStorageEnforced != enforced) { 20651 mSettings.mReadExternalStorageEnforced = enforced; 20652 mSettings.writeLPr(); 20653 } 20654 } 20655 // kill any non-foreground processes so we restart them and 20656 // grant/revoke the GID. 20657 final IActivityManager am = ActivityManagerNative.getDefault(); 20658 if (am != null) { 20659 final long token = Binder.clearCallingIdentity(); 20660 try { 20661 am.killProcessesBelowForeground("setPermissionEnforcement"); 20662 } catch (RemoteException e) { 20663 } finally { 20664 Binder.restoreCallingIdentity(token); 20665 } 20666 } 20667 } else { 20668 throw new IllegalArgumentException("No selective enforcement for " + permission); 20669 } 20670 } 20671 20672 @Override 20673 @Deprecated 20674 public boolean isPermissionEnforced(String permission) { 20675 return true; 20676 } 20677 20678 @Override 20679 public boolean isStorageLow() { 20680 final long token = Binder.clearCallingIdentity(); 20681 try { 20682 final DeviceStorageMonitorInternal 20683 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20684 if (dsm != null) { 20685 return dsm.isMemoryLow(); 20686 } else { 20687 return false; 20688 } 20689 } finally { 20690 Binder.restoreCallingIdentity(token); 20691 } 20692 } 20693 20694 @Override 20695 public IPackageInstaller getPackageInstaller() { 20696 return mInstallerService; 20697 } 20698 20699 private boolean userNeedsBadging(int userId) { 20700 int index = mUserNeedsBadging.indexOfKey(userId); 20701 if (index < 0) { 20702 final UserInfo userInfo; 20703 final long token = Binder.clearCallingIdentity(); 20704 try { 20705 userInfo = sUserManager.getUserInfo(userId); 20706 } finally { 20707 Binder.restoreCallingIdentity(token); 20708 } 20709 final boolean b; 20710 if (userInfo != null && userInfo.isManagedProfile()) { 20711 b = true; 20712 } else { 20713 b = false; 20714 } 20715 mUserNeedsBadging.put(userId, b); 20716 return b; 20717 } 20718 return mUserNeedsBadging.valueAt(index); 20719 } 20720 20721 @Override 20722 public KeySet getKeySetByAlias(String packageName, String alias) { 20723 if (packageName == null || alias == null) { 20724 return null; 20725 } 20726 synchronized(mPackages) { 20727 final PackageParser.Package pkg = mPackages.get(packageName); 20728 if (pkg == null) { 20729 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20730 throw new IllegalArgumentException("Unknown package: " + packageName); 20731 } 20732 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20733 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20734 } 20735 } 20736 20737 @Override 20738 public KeySet getSigningKeySet(String packageName) { 20739 if (packageName == null) { 20740 return null; 20741 } 20742 synchronized(mPackages) { 20743 final PackageParser.Package pkg = mPackages.get(packageName); 20744 if (pkg == null) { 20745 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20746 throw new IllegalArgumentException("Unknown package: " + packageName); 20747 } 20748 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20749 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20750 throw new SecurityException("May not access signing KeySet of other apps."); 20751 } 20752 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20753 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20754 } 20755 } 20756 20757 @Override 20758 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20759 if (packageName == null || ks == null) { 20760 return false; 20761 } 20762 synchronized(mPackages) { 20763 final PackageParser.Package pkg = mPackages.get(packageName); 20764 if (pkg == null) { 20765 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20766 throw new IllegalArgumentException("Unknown package: " + packageName); 20767 } 20768 IBinder ksh = ks.getToken(); 20769 if (ksh instanceof KeySetHandle) { 20770 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20771 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20772 } 20773 return false; 20774 } 20775 } 20776 20777 @Override 20778 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20779 if (packageName == null || ks == null) { 20780 return false; 20781 } 20782 synchronized(mPackages) { 20783 final PackageParser.Package pkg = mPackages.get(packageName); 20784 if (pkg == null) { 20785 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20786 throw new IllegalArgumentException("Unknown package: " + packageName); 20787 } 20788 IBinder ksh = ks.getToken(); 20789 if (ksh instanceof KeySetHandle) { 20790 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20791 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20792 } 20793 return false; 20794 } 20795 } 20796 20797 private void deletePackageIfUnusedLPr(final String packageName) { 20798 PackageSetting ps = mSettings.mPackages.get(packageName); 20799 if (ps == null) { 20800 return; 20801 } 20802 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20803 // TODO Implement atomic delete if package is unused 20804 // It is currently possible that the package will be deleted even if it is installed 20805 // after this method returns. 20806 mHandler.post(new Runnable() { 20807 public void run() { 20808 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20809 } 20810 }); 20811 } 20812 } 20813 20814 /** 20815 * Check and throw if the given before/after packages would be considered a 20816 * downgrade. 20817 */ 20818 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20819 throws PackageManagerException { 20820 if (after.versionCode < before.mVersionCode) { 20821 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20822 "Update version code " + after.versionCode + " is older than current " 20823 + before.mVersionCode); 20824 } else if (after.versionCode == before.mVersionCode) { 20825 if (after.baseRevisionCode < before.baseRevisionCode) { 20826 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20827 "Update base revision code " + after.baseRevisionCode 20828 + " is older than current " + before.baseRevisionCode); 20829 } 20830 20831 if (!ArrayUtils.isEmpty(after.splitNames)) { 20832 for (int i = 0; i < after.splitNames.length; i++) { 20833 final String splitName = after.splitNames[i]; 20834 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20835 if (j != -1) { 20836 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20837 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20838 "Update split " + splitName + " revision code " 20839 + after.splitRevisionCodes[i] + " is older than current " 20840 + before.splitRevisionCodes[j]); 20841 } 20842 } 20843 } 20844 } 20845 } 20846 } 20847 20848 private static class MoveCallbacks extends Handler { 20849 private static final int MSG_CREATED = 1; 20850 private static final int MSG_STATUS_CHANGED = 2; 20851 20852 private final RemoteCallbackList<IPackageMoveObserver> 20853 mCallbacks = new RemoteCallbackList<>(); 20854 20855 private final SparseIntArray mLastStatus = new SparseIntArray(); 20856 20857 public MoveCallbacks(Looper looper) { 20858 super(looper); 20859 } 20860 20861 public void register(IPackageMoveObserver callback) { 20862 mCallbacks.register(callback); 20863 } 20864 20865 public void unregister(IPackageMoveObserver callback) { 20866 mCallbacks.unregister(callback); 20867 } 20868 20869 @Override 20870 public void handleMessage(Message msg) { 20871 final SomeArgs args = (SomeArgs) msg.obj; 20872 final int n = mCallbacks.beginBroadcast(); 20873 for (int i = 0; i < n; i++) { 20874 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20875 try { 20876 invokeCallback(callback, msg.what, args); 20877 } catch (RemoteException ignored) { 20878 } 20879 } 20880 mCallbacks.finishBroadcast(); 20881 args.recycle(); 20882 } 20883 20884 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20885 throws RemoteException { 20886 switch (what) { 20887 case MSG_CREATED: { 20888 callback.onCreated(args.argi1, (Bundle) args.arg2); 20889 break; 20890 } 20891 case MSG_STATUS_CHANGED: { 20892 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20893 break; 20894 } 20895 } 20896 } 20897 20898 private void notifyCreated(int moveId, Bundle extras) { 20899 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20900 20901 final SomeArgs args = SomeArgs.obtain(); 20902 args.argi1 = moveId; 20903 args.arg2 = extras; 20904 obtainMessage(MSG_CREATED, args).sendToTarget(); 20905 } 20906 20907 private void notifyStatusChanged(int moveId, int status) { 20908 notifyStatusChanged(moveId, status, -1); 20909 } 20910 20911 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20912 Slog.v(TAG, "Move " + moveId + " status " + status); 20913 20914 final SomeArgs args = SomeArgs.obtain(); 20915 args.argi1 = moveId; 20916 args.argi2 = status; 20917 args.arg3 = estMillis; 20918 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20919 20920 synchronized (mLastStatus) { 20921 mLastStatus.put(moveId, status); 20922 } 20923 } 20924 } 20925 20926 private final static class OnPermissionChangeListeners extends Handler { 20927 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20928 20929 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20930 new RemoteCallbackList<>(); 20931 20932 public OnPermissionChangeListeners(Looper looper) { 20933 super(looper); 20934 } 20935 20936 @Override 20937 public void handleMessage(Message msg) { 20938 switch (msg.what) { 20939 case MSG_ON_PERMISSIONS_CHANGED: { 20940 final int uid = msg.arg1; 20941 handleOnPermissionsChanged(uid); 20942 } break; 20943 } 20944 } 20945 20946 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20947 mPermissionListeners.register(listener); 20948 20949 } 20950 20951 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20952 mPermissionListeners.unregister(listener); 20953 } 20954 20955 public void onPermissionsChanged(int uid) { 20956 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20957 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20958 } 20959 } 20960 20961 private void handleOnPermissionsChanged(int uid) { 20962 final int count = mPermissionListeners.beginBroadcast(); 20963 try { 20964 for (int i = 0; i < count; i++) { 20965 IOnPermissionsChangeListener callback = mPermissionListeners 20966 .getBroadcastItem(i); 20967 try { 20968 callback.onPermissionsChanged(uid); 20969 } catch (RemoteException e) { 20970 Log.e(TAG, "Permission listener is dead", e); 20971 } 20972 } 20973 } finally { 20974 mPermissionListeners.finishBroadcast(); 20975 } 20976 } 20977 } 20978 20979 private class PackageManagerInternalImpl extends PackageManagerInternal { 20980 @Override 20981 public void setLocationPackagesProvider(PackagesProvider provider) { 20982 synchronized (mPackages) { 20983 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20984 } 20985 } 20986 20987 @Override 20988 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20989 synchronized (mPackages) { 20990 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20991 } 20992 } 20993 20994 @Override 20995 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20996 synchronized (mPackages) { 20997 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20998 } 20999 } 21000 21001 @Override 21002 public void setDialerAppPackagesProvider(PackagesProvider provider) { 21003 synchronized (mPackages) { 21004 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 21005 } 21006 } 21007 21008 @Override 21009 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 21010 synchronized (mPackages) { 21011 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 21012 } 21013 } 21014 21015 @Override 21016 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 21017 synchronized (mPackages) { 21018 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 21019 } 21020 } 21021 21022 @Override 21023 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 21024 synchronized (mPackages) { 21025 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 21026 packageName, userId); 21027 } 21028 } 21029 21030 @Override 21031 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 21032 synchronized (mPackages) { 21033 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 21034 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 21035 packageName, userId); 21036 } 21037 } 21038 21039 @Override 21040 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 21041 synchronized (mPackages) { 21042 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 21043 packageName, userId); 21044 } 21045 } 21046 21047 @Override 21048 public void setKeepUninstalledPackages(final List<String> packageList) { 21049 Preconditions.checkNotNull(packageList); 21050 List<String> removedFromList = null; 21051 synchronized (mPackages) { 21052 if (mKeepUninstalledPackages != null) { 21053 final int packagesCount = mKeepUninstalledPackages.size(); 21054 for (int i = 0; i < packagesCount; i++) { 21055 String oldPackage = mKeepUninstalledPackages.get(i); 21056 if (packageList != null && packageList.contains(oldPackage)) { 21057 continue; 21058 } 21059 if (removedFromList == null) { 21060 removedFromList = new ArrayList<>(); 21061 } 21062 removedFromList.add(oldPackage); 21063 } 21064 } 21065 mKeepUninstalledPackages = new ArrayList<>(packageList); 21066 if (removedFromList != null) { 21067 final int removedCount = removedFromList.size(); 21068 for (int i = 0; i < removedCount; i++) { 21069 deletePackageIfUnusedLPr(removedFromList.get(i)); 21070 } 21071 } 21072 } 21073 } 21074 21075 @Override 21076 public boolean isPermissionsReviewRequired(String packageName, int userId) { 21077 synchronized (mPackages) { 21078 // If we do not support permission review, done. 21079 if (!mPermissionReviewRequired && !Build.PERMISSIONS_REVIEW_REQUIRED) { 21080 return false; 21081 } 21082 21083 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 21084 if (packageSetting == null) { 21085 return false; 21086 } 21087 21088 // Permission review applies only to apps not supporting the new permission model. 21089 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 21090 return false; 21091 } 21092 21093 // Legacy apps have the permission and get user consent on launch. 21094 PermissionsState permissionsState = packageSetting.getPermissionsState(); 21095 return permissionsState.isPermissionReviewRequired(userId); 21096 } 21097 } 21098 21099 @Override 21100 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 21101 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 21102 } 21103 21104 @Override 21105 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 21106 int userId) { 21107 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 21108 } 21109 21110 @Override 21111 public void setDeviceAndProfileOwnerPackages( 21112 int deviceOwnerUserId, String deviceOwnerPackage, 21113 SparseArray<String> profileOwnerPackages) { 21114 mProtectedPackages.setDeviceAndProfileOwnerPackages( 21115 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 21116 } 21117 21118 @Override 21119 public boolean isPackageDataProtected(int userId, String packageName) { 21120 return mProtectedPackages.isPackageDataProtected(userId, packageName); 21121 } 21122 21123 @Override 21124 public boolean wasPackageEverLaunched(String packageName, int userId) { 21125 synchronized (mPackages) { 21126 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 21127 } 21128 } 21129 } 21130 21131 @Override 21132 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 21133 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 21134 synchronized (mPackages) { 21135 final long identity = Binder.clearCallingIdentity(); 21136 try { 21137 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 21138 packageNames, userId); 21139 } finally { 21140 Binder.restoreCallingIdentity(identity); 21141 } 21142 } 21143 } 21144 21145 private static void enforceSystemOrPhoneCaller(String tag) { 21146 int callingUid = Binder.getCallingUid(); 21147 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 21148 throw new SecurityException( 21149 "Cannot call " + tag + " from UID " + callingUid); 21150 } 21151 } 21152 21153 boolean isHistoricalPackageUsageAvailable() { 21154 return mPackageUsage.isHistoricalPackageUsageAvailable(); 21155 } 21156 21157 /** 21158 * Return a <b>copy</b> of the collection of packages known to the package manager. 21159 * @return A copy of the values of mPackages. 21160 */ 21161 Collection<PackageParser.Package> getPackages() { 21162 synchronized (mPackages) { 21163 return new ArrayList<>(mPackages.values()); 21164 } 21165 } 21166 21167 /** 21168 * Logs process start information (including base APK hash) to the security log. 21169 * @hide 21170 */ 21171 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21172 String apkFile, int pid) { 21173 if (!SecurityLog.isLoggingEnabled()) { 21174 return; 21175 } 21176 Bundle data = new Bundle(); 21177 data.putLong("startTimestamp", System.currentTimeMillis()); 21178 data.putString("processName", processName); 21179 data.putInt("uid", uid); 21180 data.putString("seinfo", seinfo); 21181 data.putString("apkFile", apkFile); 21182 data.putInt("pid", pid); 21183 Message msg = mProcessLoggingHandler.obtainMessage( 21184 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21185 msg.setData(data); 21186 mProcessLoggingHandler.sendMessage(msg); 21187 } 21188 21189 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21190 return mCompilerStats.getPackageStats(pkgName); 21191 } 21192 21193 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21194 return getOrCreateCompilerPackageStats(pkg.packageName); 21195 } 21196 21197 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21198 return mCompilerStats.getOrCreatePackageStats(pkgName); 21199 } 21200 21201 public void deleteCompilerPackageStats(String pkgName) { 21202 mCompilerStats.deletePackageStats(pkgName); 21203 } 21204} 21205