PackageManagerService.java revision cd029da32165f4a348431d825d2bbaa46282710f
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_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 80import static android.system.OsConstants.O_CREAT; 81import static android.system.OsConstants.O_RDWR; 82 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 84import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 85import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 86import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 87import static com.android.internal.util.ArrayUtils.appendInt; 88import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 89import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 91import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 92import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 93import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 94import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 100 101import android.Manifest; 102import android.annotation.NonNull; 103import android.annotation.Nullable; 104import android.annotation.UserIdInt; 105import android.app.ActivityManager; 106import android.app.ActivityManagerNative; 107import android.app.IActivityManager; 108import android.app.ResourcesManager; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.content.BroadcastReceiver; 113import android.content.ComponentName; 114import android.content.Context; 115import android.content.IIntentReceiver; 116import android.content.Intent; 117import android.content.IntentFilter; 118import android.content.IntentSender; 119import android.content.IntentSender.SendIntentException; 120import android.content.ServiceConnection; 121import android.content.pm.ActivityInfo; 122import android.content.pm.ApplicationInfo; 123import android.content.pm.AppsQueryHelper; 124import android.content.pm.ComponentInfo; 125import android.content.pm.EphemeralApplicationInfo; 126import android.content.pm.EphemeralResolveInfo; 127import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 128import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 129import android.content.pm.FeatureInfo; 130import android.content.pm.IOnPermissionsChangeListener; 131import android.content.pm.IPackageDataObserver; 132import android.content.pm.IPackageDeleteObserver; 133import android.content.pm.IPackageDeleteObserver2; 134import android.content.pm.IPackageInstallObserver2; 135import android.content.pm.IPackageInstaller; 136import android.content.pm.IPackageManager; 137import android.content.pm.IPackageMoveObserver; 138import android.content.pm.IPackageStatsObserver; 139import android.content.pm.InstrumentationInfo; 140import android.content.pm.IntentFilterVerificationInfo; 141import android.content.pm.KeySet; 142import android.content.pm.PackageCleanItem; 143import android.content.pm.PackageInfo; 144import android.content.pm.PackageInfoLite; 145import android.content.pm.PackageInstaller; 146import android.content.pm.PackageManager; 147import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 148import android.content.pm.PackageManagerInternal; 149import android.content.pm.PackageParser; 150import android.content.pm.PackageParser.ActivityIntentInfo; 151import android.content.pm.PackageParser.PackageLite; 152import android.content.pm.PackageParser.PackageParserException; 153import android.content.pm.PackageStats; 154import android.content.pm.PackageUserState; 155import android.content.pm.ParceledListSlice; 156import android.content.pm.PermissionGroupInfo; 157import android.content.pm.PermissionInfo; 158import android.content.pm.ProviderInfo; 159import android.content.pm.ResolveInfo; 160import android.content.pm.ServiceInfo; 161import android.content.pm.Signature; 162import android.content.pm.UserInfo; 163import android.content.pm.VerifierDeviceIdentity; 164import android.content.pm.VerifierInfo; 165import android.content.res.Resources; 166import android.graphics.Bitmap; 167import android.hardware.display.DisplayManager; 168import android.net.Uri; 169import android.os.Binder; 170import android.os.Build; 171import android.os.Bundle; 172import android.os.Debug; 173import android.os.Environment; 174import android.os.Environment.UserEnvironment; 175import android.os.FileUtils; 176import android.os.Handler; 177import android.os.IBinder; 178import android.os.Looper; 179import android.os.Message; 180import android.os.Parcel; 181import android.os.ParcelFileDescriptor; 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.security.KeyStore; 202import android.security.SystemKeyStore; 203import android.system.ErrnoException; 204import android.system.Os; 205import android.text.TextUtils; 206import android.text.format.DateUtils; 207import android.util.ArrayMap; 208import android.util.ArraySet; 209import android.util.DisplayMetrics; 210import android.util.EventLog; 211import android.util.ExceptionUtils; 212import android.util.Log; 213import android.util.LogPrinter; 214import android.util.MathUtils; 215import android.util.PrintStreamPrinter; 216import android.util.Slog; 217import android.util.SparseArray; 218import android.util.SparseBooleanArray; 219import android.util.SparseIntArray; 220import android.util.Xml; 221import android.util.jar.StrictJarFile; 222import android.view.Display; 223 224import com.android.internal.R; 225import com.android.internal.annotations.GuardedBy; 226import com.android.internal.app.IMediaContainerService; 227import com.android.internal.app.ResolverActivity; 228import com.android.internal.content.NativeLibraryHelper; 229import com.android.internal.content.PackageHelper; 230import com.android.internal.logging.MetricsLogger; 231import com.android.internal.os.IParcelFileDescriptorFactory; 232import com.android.internal.os.InstallerConnection.InstallerException; 233import com.android.internal.os.SomeArgs; 234import com.android.internal.os.Zygote; 235import com.android.internal.telephony.CarrierAppUtils; 236import com.android.internal.util.ArrayUtils; 237import com.android.internal.util.FastPrintWriter; 238import com.android.internal.util.FastXmlSerializer; 239import com.android.internal.util.IndentingPrintWriter; 240import com.android.internal.util.Preconditions; 241import com.android.internal.util.XmlUtils; 242import com.android.server.AttributeCache; 243import com.android.server.EventLogTags; 244import com.android.server.FgThread; 245import com.android.server.IntentResolver; 246import com.android.server.LocalServices; 247import com.android.server.ServiceThread; 248import com.android.server.SystemConfig; 249import com.android.server.Watchdog; 250import com.android.server.net.NetworkPolicyManagerInternal; 251import com.android.server.pm.PermissionsState.PermissionState; 252import com.android.server.pm.Settings.DatabaseVersion; 253import com.android.server.pm.Settings.VersionInfo; 254import com.android.server.storage.DeviceStorageMonitorInternal; 255 256import dalvik.system.CloseGuard; 257import dalvik.system.DexFile; 258import dalvik.system.VMRuntime; 259 260import libcore.io.IoUtils; 261import libcore.util.EmptyArray; 262 263import org.xmlpull.v1.XmlPullParser; 264import org.xmlpull.v1.XmlPullParserException; 265import org.xmlpull.v1.XmlSerializer; 266 267import java.io.BufferedOutputStream; 268import java.io.BufferedReader; 269import java.io.ByteArrayInputStream; 270import java.io.ByteArrayOutputStream; 271import java.io.File; 272import java.io.FileDescriptor; 273import java.io.FileInputStream; 274import java.io.FileNotFoundException; 275import java.io.FileOutputStream; 276import java.io.FileReader; 277import java.io.FilenameFilter; 278import java.io.IOException; 279import java.io.PrintWriter; 280import java.nio.charset.StandardCharsets; 281import java.security.DigestInputStream; 282import java.security.MessageDigest; 283import java.security.NoSuchAlgorithmException; 284import java.security.PublicKey; 285import java.security.cert.Certificate; 286import java.security.cert.CertificateEncodingException; 287import java.security.cert.CertificateException; 288import java.text.SimpleDateFormat; 289import java.util.ArrayList; 290import java.util.Arrays; 291import java.util.Collection; 292import java.util.Collections; 293import java.util.Comparator; 294import java.util.Date; 295import java.util.HashSet; 296import java.util.Iterator; 297import java.util.List; 298import java.util.Map; 299import java.util.Objects; 300import java.util.Set; 301import java.util.concurrent.CountDownLatch; 302import java.util.concurrent.TimeUnit; 303import java.util.concurrent.atomic.AtomicBoolean; 304import java.util.concurrent.atomic.AtomicInteger; 305 306/** 307 * Keep track of all those APKs everywhere. 308 * <p> 309 * Internally there are two important locks: 310 * <ul> 311 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 312 * and other related state. It is a fine-grained lock that should only be held 313 * momentarily, as it's one of the most contended locks in the system. 314 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 315 * operations typically involve heavy lifting of application data on disk. Since 316 * {@code installd} is single-threaded, and it's operations can often be slow, 317 * this lock should never be acquired while already holding {@link #mPackages}. 318 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 319 * holding {@link #mInstallLock}. 320 * </ul> 321 * Many internal methods rely on the caller to hold the appropriate locks, and 322 * this contract is expressed through method name suffixes: 323 * <ul> 324 * <li>fooLI(): the caller must hold {@link #mInstallLock} 325 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 326 * being modified must be frozen 327 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 328 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 329 * </ul> 330 * <p> 331 * Because this class is very central to the platform's security; please run all 332 * CTS and unit tests whenever making modifications: 333 * 334 * <pre> 335 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 336 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 337 * </pre> 338 */ 339public class PackageManagerService extends IPackageManager.Stub { 340 static final String TAG = "PackageManager"; 341 static final boolean DEBUG_SETTINGS = false; 342 static final boolean DEBUG_PREFERRED = false; 343 static final boolean DEBUG_UPGRADE = false; 344 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 345 private static final boolean DEBUG_BACKUP = false; 346 private static final boolean DEBUG_INSTALL = false; 347 private static final boolean DEBUG_REMOVE = false; 348 private static final boolean DEBUG_BROADCASTS = false; 349 private static final boolean DEBUG_SHOW_INFO = false; 350 private static final boolean DEBUG_PACKAGE_INFO = false; 351 private static final boolean DEBUG_INTENT_MATCHING = false; 352 private static final boolean DEBUG_PACKAGE_SCANNING = false; 353 private static final boolean DEBUG_VERIFY = false; 354 private static final boolean DEBUG_FILTERS = false; 355 356 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 357 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 358 // user, but by default initialize to this. 359 static final boolean DEBUG_DEXOPT = false; 360 361 private static final boolean DEBUG_ABI_SELECTION = false; 362 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 363 private static final boolean DEBUG_TRIAGED_MISSING = false; 364 private static final boolean DEBUG_APP_DATA = false; 365 366 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 367 368 private static final boolean DISABLE_EPHEMERAL_APPS = !Build.IS_DEBUGGABLE; 369 370 private static final int RADIO_UID = Process.PHONE_UID; 371 private static final int LOG_UID = Process.LOG_UID; 372 private static final int NFC_UID = Process.NFC_UID; 373 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 374 private static final int SHELL_UID = Process.SHELL_UID; 375 376 // Cap the size of permission trees that 3rd party apps can define 377 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 378 379 // Suffix used during package installation when copying/moving 380 // package apks to install directory. 381 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 382 383 static final int SCAN_NO_DEX = 1<<1; 384 static final int SCAN_FORCE_DEX = 1<<2; 385 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 386 static final int SCAN_NEW_INSTALL = 1<<4; 387 static final int SCAN_NO_PATHS = 1<<5; 388 static final int SCAN_UPDATE_TIME = 1<<6; 389 static final int SCAN_DEFER_DEX = 1<<7; 390 static final int SCAN_BOOTING = 1<<8; 391 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 392 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 393 static final int SCAN_REPLACING = 1<<11; 394 static final int SCAN_REQUIRE_KNOWN = 1<<12; 395 static final int SCAN_MOVE = 1<<13; 396 static final int SCAN_INITIAL = 1<<14; 397 static final int SCAN_CHECK_ONLY = 1<<15; 398 static final int SCAN_DONT_KILL_APP = 1<<17; 399 static final int SCAN_IGNORE_FROZEN = 1<<18; 400 401 static final int REMOVE_CHATTY = 1<<16; 402 403 private static final int[] EMPTY_INT_ARRAY = new int[0]; 404 405 /** 406 * Timeout (in milliseconds) after which the watchdog should declare that 407 * our handler thread is wedged. The usual default for such things is one 408 * minute but we sometimes do very lengthy I/O operations on this thread, 409 * such as installing multi-gigabyte applications, so ours needs to be longer. 410 */ 411 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 412 413 /** 414 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 415 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 416 * settings entry if available, otherwise we use the hardcoded default. If it's been 417 * more than this long since the last fstrim, we force one during the boot sequence. 418 * 419 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 420 * one gets run at the next available charging+idle time. This final mandatory 421 * no-fstrim check kicks in only of the other scheduling criteria is never met. 422 */ 423 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 424 425 /** 426 * Whether verification is enabled by default. 427 */ 428 private static final boolean DEFAULT_VERIFY_ENABLE = true; 429 430 /** 431 * The default maximum time to wait for the verification agent to return in 432 * milliseconds. 433 */ 434 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 435 436 /** 437 * The default response for package verification timeout. 438 * 439 * This can be either PackageManager.VERIFICATION_ALLOW or 440 * PackageManager.VERIFICATION_REJECT. 441 */ 442 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 443 444 static final String PLATFORM_PACKAGE_NAME = "android"; 445 446 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 447 448 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 449 DEFAULT_CONTAINER_PACKAGE, 450 "com.android.defcontainer.DefaultContainerService"); 451 452 private static final String KILL_APP_REASON_GIDS_CHANGED = 453 "permission grant or revoke changed gids"; 454 455 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 456 "permissions revoked"; 457 458 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 459 460 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 461 462 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 463 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 464 465 /** Permission grant: not grant the permission. */ 466 private static final int GRANT_DENIED = 1; 467 468 /** Permission grant: grant the permission as an install permission. */ 469 private static final int GRANT_INSTALL = 2; 470 471 /** Permission grant: grant the permission as a runtime one. */ 472 private static final int GRANT_RUNTIME = 3; 473 474 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 475 private static final int GRANT_UPGRADE = 4; 476 477 /** Canonical intent used to identify what counts as a "web browser" app */ 478 private static final Intent sBrowserIntent; 479 static { 480 sBrowserIntent = new Intent(); 481 sBrowserIntent.setAction(Intent.ACTION_VIEW); 482 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 483 sBrowserIntent.setData(Uri.parse("http:")); 484 } 485 486 /** 487 * The set of all protected actions [i.e. those actions for which a high priority 488 * intent filter is disallowed]. 489 */ 490 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 491 static { 492 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 493 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 494 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 495 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 496 } 497 498 // Compilation reasons. 499 public static final int REASON_FIRST_BOOT = 0; 500 public static final int REASON_BOOT = 1; 501 public static final int REASON_INSTALL = 2; 502 public static final int REASON_BACKGROUND_DEXOPT = 3; 503 public static final int REASON_AB_OTA = 4; 504 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 505 public static final int REASON_SHARED_APK = 6; 506 public static final int REASON_FORCED_DEXOPT = 7; 507 public static final int REASON_CORE_APP = 8; 508 509 public static final int REASON_LAST = REASON_CORE_APP; 510 511 /** Special library name that skips shared libraries check during compilation. */ 512 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 513 514 final ServiceThread mHandlerThread; 515 516 final PackageHandler mHandler; 517 518 private final ProcessLoggingHandler mProcessLoggingHandler; 519 520 /** 521 * Messages for {@link #mHandler} that need to wait for system ready before 522 * being dispatched. 523 */ 524 private ArrayList<Message> mPostSystemReadyMessages; 525 526 final int mSdkVersion = Build.VERSION.SDK_INT; 527 528 final Context mContext; 529 final boolean mFactoryTest; 530 final boolean mOnlyCore; 531 final DisplayMetrics mMetrics; 532 final int mDefParseFlags; 533 final String[] mSeparateProcesses; 534 final boolean mIsUpgrade; 535 final boolean mIsPreNUpgrade; 536 537 /** The location for ASEC container files on internal storage. */ 538 final String mAsecInternalPath; 539 540 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 541 // LOCK HELD. Can be called with mInstallLock held. 542 @GuardedBy("mInstallLock") 543 final Installer mInstaller; 544 545 /** Directory where installed third-party apps stored */ 546 final File mAppInstallDir; 547 final File mEphemeralInstallDir; 548 549 /** 550 * Directory to which applications installed internally have their 551 * 32 bit native libraries copied. 552 */ 553 private File mAppLib32InstallDir; 554 555 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 556 // apps. 557 final File mDrmAppPrivateInstallDir; 558 559 // ---------------------------------------------------------------- 560 561 // Lock for state used when installing and doing other long running 562 // operations. Methods that must be called with this lock held have 563 // the suffix "LI". 564 final Object mInstallLock = new Object(); 565 566 // ---------------------------------------------------------------- 567 568 // Keys are String (package name), values are Package. This also serves 569 // as the lock for the global state. Methods that must be called with 570 // this lock held have the prefix "LP". 571 @GuardedBy("mPackages") 572 final ArrayMap<String, PackageParser.Package> mPackages = 573 new ArrayMap<String, PackageParser.Package>(); 574 575 final ArrayMap<String, Set<String>> mKnownCodebase = 576 new ArrayMap<String, Set<String>>(); 577 578 // Tracks available target package names -> overlay package paths. 579 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 580 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 581 582 /** 583 * Tracks new system packages [received in an OTA] that we expect to 584 * find updated user-installed versions. Keys are package name, values 585 * are package location. 586 */ 587 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 588 /** 589 * Tracks high priority intent filters for protected actions. During boot, certain 590 * filter actions are protected and should never be allowed to have a high priority 591 * intent filter for them. However, there is one, and only one exception -- the 592 * setup wizard. It must be able to define a high priority intent filter for these 593 * actions to ensure there are no escapes from the wizard. We need to delay processing 594 * of these during boot as we need to look at all of the system packages in order 595 * to know which component is the setup wizard. 596 */ 597 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 598 /** 599 * Whether or not processing protected filters should be deferred. 600 */ 601 private boolean mDeferProtectedFilters = true; 602 603 /** 604 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 605 */ 606 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 607 /** 608 * Whether or not system app permissions should be promoted from install to runtime. 609 */ 610 boolean mPromoteSystemApps; 611 612 @GuardedBy("mPackages") 613 final Settings mSettings; 614 615 /** 616 * Set of package names that are currently "frozen", which means active 617 * surgery is being done on the code/data for that package. The platform 618 * will refuse to launch frozen packages to avoid race conditions. 619 * 620 * @see PackageFreezer 621 */ 622 @GuardedBy("mPackages") 623 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 624 625 final ProtectedPackages mProtectedPackages; 626 627 boolean mFirstBoot; 628 629 // System configuration read by SystemConfig. 630 final int[] mGlobalGids; 631 final SparseArray<ArraySet<String>> mSystemPermissions; 632 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 633 634 // If mac_permissions.xml was found for seinfo labeling. 635 boolean mFoundPolicyFile; 636 637 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 638 639 public static final class SharedLibraryEntry { 640 public final String path; 641 public final String apk; 642 643 SharedLibraryEntry(String _path, String _apk) { 644 path = _path; 645 apk = _apk; 646 } 647 } 648 649 // Currently known shared libraries. 650 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 651 new ArrayMap<String, SharedLibraryEntry>(); 652 653 // All available activities, for your resolving pleasure. 654 final ActivityIntentResolver mActivities = 655 new ActivityIntentResolver(); 656 657 // All available receivers, for your resolving pleasure. 658 final ActivityIntentResolver mReceivers = 659 new ActivityIntentResolver(); 660 661 // All available services, for your resolving pleasure. 662 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 663 664 // All available providers, for your resolving pleasure. 665 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 666 667 // Mapping from provider base names (first directory in content URI codePath) 668 // to the provider information. 669 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 670 new ArrayMap<String, PackageParser.Provider>(); 671 672 // Mapping from instrumentation class names to info about them. 673 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 674 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 675 676 // Mapping from permission names to info about them. 677 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 678 new ArrayMap<String, PackageParser.PermissionGroup>(); 679 680 // Packages whose data we have transfered into another package, thus 681 // should no longer exist. 682 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 683 684 // Broadcast actions that are only available to the system. 685 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 686 687 /** List of packages waiting for verification. */ 688 final SparseArray<PackageVerificationState> mPendingVerification 689 = new SparseArray<PackageVerificationState>(); 690 691 /** Set of packages associated with each app op permission. */ 692 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 693 694 final PackageInstallerService mInstallerService; 695 696 private final PackageDexOptimizer mPackageDexOptimizer; 697 698 private AtomicInteger mNextMoveId = new AtomicInteger(); 699 private final MoveCallbacks mMoveCallbacks; 700 701 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 702 703 // Cache of users who need badging. 704 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 705 706 /** Token for keys in mPendingVerification. */ 707 private int mPendingVerificationToken = 0; 708 709 volatile boolean mSystemReady; 710 volatile boolean mSafeMode; 711 volatile boolean mHasSystemUidErrors; 712 713 ApplicationInfo mAndroidApplication; 714 final ActivityInfo mResolveActivity = new ActivityInfo(); 715 final ResolveInfo mResolveInfo = new ResolveInfo(); 716 ComponentName mResolveComponentName; 717 PackageParser.Package mPlatformPackage; 718 ComponentName mCustomResolverComponentName; 719 720 boolean mResolverReplaced = false; 721 722 private final @Nullable ComponentName mIntentFilterVerifierComponent; 723 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 724 725 private int mIntentFilterVerificationToken = 0; 726 727 /** Component that knows whether or not an ephemeral application exists */ 728 final ComponentName mEphemeralResolverComponent; 729 /** The service connection to the ephemeral resolver */ 730 final EphemeralResolverConnection mEphemeralResolverConnection; 731 732 /** Component used to install ephemeral applications */ 733 final ComponentName mEphemeralInstallerComponent; 734 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 735 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 736 737 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 738 = new SparseArray<IntentFilterVerificationState>(); 739 740 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 741 new DefaultPermissionGrantPolicy(this); 742 743 // List of packages names to keep cached, even if they are uninstalled for all users 744 private List<String> mKeepUninstalledPackages; 745 746 private UserManagerInternal mUserManagerInternal; 747 748 private static class IFVerificationParams { 749 PackageParser.Package pkg; 750 boolean replacing; 751 int userId; 752 int verifierUid; 753 754 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 755 int _userId, int _verifierUid) { 756 pkg = _pkg; 757 replacing = _replacing; 758 userId = _userId; 759 replacing = _replacing; 760 verifierUid = _verifierUid; 761 } 762 } 763 764 private interface IntentFilterVerifier<T extends IntentFilter> { 765 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 766 T filter, String packageName); 767 void startVerifications(int userId); 768 void receiveVerificationResponse(int verificationId); 769 } 770 771 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 772 private Context mContext; 773 private ComponentName mIntentFilterVerifierComponent; 774 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 775 776 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 777 mContext = context; 778 mIntentFilterVerifierComponent = verifierComponent; 779 } 780 781 private String getDefaultScheme() { 782 return IntentFilter.SCHEME_HTTPS; 783 } 784 785 @Override 786 public void startVerifications(int userId) { 787 // Launch verifications requests 788 int count = mCurrentIntentFilterVerifications.size(); 789 for (int n=0; n<count; n++) { 790 int verificationId = mCurrentIntentFilterVerifications.get(n); 791 final IntentFilterVerificationState ivs = 792 mIntentFilterVerificationStates.get(verificationId); 793 794 String packageName = ivs.getPackageName(); 795 796 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 797 final int filterCount = filters.size(); 798 ArraySet<String> domainsSet = new ArraySet<>(); 799 for (int m=0; m<filterCount; m++) { 800 PackageParser.ActivityIntentInfo filter = filters.get(m); 801 domainsSet.addAll(filter.getHostsList()); 802 } 803 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 804 synchronized (mPackages) { 805 if (mSettings.createIntentFilterVerificationIfNeededLPw( 806 packageName, domainsList) != null) { 807 scheduleWriteSettingsLocked(); 808 } 809 } 810 sendVerificationRequest(userId, verificationId, ivs); 811 } 812 mCurrentIntentFilterVerifications.clear(); 813 } 814 815 private void sendVerificationRequest(int userId, int verificationId, 816 IntentFilterVerificationState ivs) { 817 818 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 819 verificationIntent.putExtra( 820 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 821 verificationId); 822 verificationIntent.putExtra( 823 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 824 getDefaultScheme()); 825 verificationIntent.putExtra( 826 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 827 ivs.getHostsString()); 828 verificationIntent.putExtra( 829 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 830 ivs.getPackageName()); 831 verificationIntent.setComponent(mIntentFilterVerifierComponent); 832 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 833 834 UserHandle user = new UserHandle(userId); 835 mContext.sendBroadcastAsUser(verificationIntent, user); 836 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 837 "Sending IntentFilter verification broadcast"); 838 } 839 840 public void receiveVerificationResponse(int verificationId) { 841 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 842 843 final boolean verified = ivs.isVerified(); 844 845 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 846 final int count = filters.size(); 847 if (DEBUG_DOMAIN_VERIFICATION) { 848 Slog.i(TAG, "Received verification response " + verificationId 849 + " for " + count + " filters, verified=" + verified); 850 } 851 for (int n=0; n<count; n++) { 852 PackageParser.ActivityIntentInfo filter = filters.get(n); 853 filter.setVerified(verified); 854 855 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 856 + " verified with result:" + verified + " and hosts:" 857 + ivs.getHostsString()); 858 } 859 860 mIntentFilterVerificationStates.remove(verificationId); 861 862 final String packageName = ivs.getPackageName(); 863 IntentFilterVerificationInfo ivi = null; 864 865 synchronized (mPackages) { 866 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 867 } 868 if (ivi == null) { 869 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 870 + verificationId + " packageName:" + packageName); 871 return; 872 } 873 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 874 "Updating IntentFilterVerificationInfo for package " + packageName 875 +" verificationId:" + verificationId); 876 877 synchronized (mPackages) { 878 if (verified) { 879 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 880 } else { 881 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 882 } 883 scheduleWriteSettingsLocked(); 884 885 final int userId = ivs.getUserId(); 886 if (userId != UserHandle.USER_ALL) { 887 final int userStatus = 888 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 889 890 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 891 boolean needUpdate = false; 892 893 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 894 // already been set by the User thru the Disambiguation dialog 895 switch (userStatus) { 896 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 897 if (verified) { 898 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 899 } else { 900 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 901 } 902 needUpdate = true; 903 break; 904 905 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 906 if (verified) { 907 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 908 needUpdate = true; 909 } 910 break; 911 912 default: 913 // Nothing to do 914 } 915 916 if (needUpdate) { 917 mSettings.updateIntentFilterVerificationStatusLPw( 918 packageName, updatedStatus, userId); 919 scheduleWritePackageRestrictionsLocked(userId); 920 } 921 } 922 } 923 } 924 925 @Override 926 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 927 ActivityIntentInfo filter, String packageName) { 928 if (!hasValidDomains(filter)) { 929 return false; 930 } 931 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 932 if (ivs == null) { 933 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 934 packageName); 935 } 936 if (DEBUG_DOMAIN_VERIFICATION) { 937 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 938 } 939 ivs.addFilter(filter); 940 return true; 941 } 942 943 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 944 int userId, int verificationId, String packageName) { 945 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 946 verifierUid, userId, packageName); 947 ivs.setPendingState(); 948 synchronized (mPackages) { 949 mIntentFilterVerificationStates.append(verificationId, ivs); 950 mCurrentIntentFilterVerifications.add(verificationId); 951 } 952 return ivs; 953 } 954 } 955 956 private static boolean hasValidDomains(ActivityIntentInfo filter) { 957 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 958 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 959 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 960 } 961 962 // Set of pending broadcasts for aggregating enable/disable of components. 963 static class PendingPackageBroadcasts { 964 // for each user id, a map of <package name -> components within that package> 965 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 966 967 public PendingPackageBroadcasts() { 968 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 969 } 970 971 public ArrayList<String> get(int userId, String packageName) { 972 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 973 return packages.get(packageName); 974 } 975 976 public void put(int userId, String packageName, ArrayList<String> components) { 977 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 978 packages.put(packageName, components); 979 } 980 981 public void remove(int userId, String packageName) { 982 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 983 if (packages != null) { 984 packages.remove(packageName); 985 } 986 } 987 988 public void remove(int userId) { 989 mUidMap.remove(userId); 990 } 991 992 public int userIdCount() { 993 return mUidMap.size(); 994 } 995 996 public int userIdAt(int n) { 997 return mUidMap.keyAt(n); 998 } 999 1000 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1001 return mUidMap.get(userId); 1002 } 1003 1004 public int size() { 1005 // total number of pending broadcast entries across all userIds 1006 int num = 0; 1007 for (int i = 0; i< mUidMap.size(); i++) { 1008 num += mUidMap.valueAt(i).size(); 1009 } 1010 return num; 1011 } 1012 1013 public void clear() { 1014 mUidMap.clear(); 1015 } 1016 1017 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1018 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1019 if (map == null) { 1020 map = new ArrayMap<String, ArrayList<String>>(); 1021 mUidMap.put(userId, map); 1022 } 1023 return map; 1024 } 1025 } 1026 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1027 1028 // Service Connection to remote media container service to copy 1029 // package uri's from external media onto secure containers 1030 // or internal storage. 1031 private IMediaContainerService mContainerService = null; 1032 1033 static final int SEND_PENDING_BROADCAST = 1; 1034 static final int MCS_BOUND = 3; 1035 static final int END_COPY = 4; 1036 static final int INIT_COPY = 5; 1037 static final int MCS_UNBIND = 6; 1038 static final int START_CLEANING_PACKAGE = 7; 1039 static final int FIND_INSTALL_LOC = 8; 1040 static final int POST_INSTALL = 9; 1041 static final int MCS_RECONNECT = 10; 1042 static final int MCS_GIVE_UP = 11; 1043 static final int UPDATED_MEDIA_STATUS = 12; 1044 static final int WRITE_SETTINGS = 13; 1045 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1046 static final int PACKAGE_VERIFIED = 15; 1047 static final int CHECK_PENDING_VERIFICATION = 16; 1048 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1049 static final int INTENT_FILTER_VERIFIED = 18; 1050 static final int WRITE_PACKAGE_LIST = 19; 1051 1052 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1053 1054 // Delay time in millisecs 1055 static final int BROADCAST_DELAY = 10 * 1000; 1056 1057 static UserManagerService sUserManager; 1058 1059 // Stores a list of users whose package restrictions file needs to be updated 1060 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1061 1062 final private DefaultContainerConnection mDefContainerConn = 1063 new DefaultContainerConnection(); 1064 class DefaultContainerConnection implements ServiceConnection { 1065 public void onServiceConnected(ComponentName name, IBinder service) { 1066 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1067 IMediaContainerService imcs = 1068 IMediaContainerService.Stub.asInterface(service); 1069 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1070 } 1071 1072 public void onServiceDisconnected(ComponentName name) { 1073 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1074 } 1075 } 1076 1077 // Recordkeeping of restore-after-install operations that are currently in flight 1078 // between the Package Manager and the Backup Manager 1079 static class PostInstallData { 1080 public InstallArgs args; 1081 public PackageInstalledInfo res; 1082 1083 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1084 args = _a; 1085 res = _r; 1086 } 1087 } 1088 1089 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1090 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1091 1092 // XML tags for backup/restore of various bits of state 1093 private static final String TAG_PREFERRED_BACKUP = "pa"; 1094 private static final String TAG_DEFAULT_APPS = "da"; 1095 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1096 1097 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1098 private static final String TAG_ALL_GRANTS = "rt-grants"; 1099 private static final String TAG_GRANT = "grant"; 1100 private static final String ATTR_PACKAGE_NAME = "pkg"; 1101 1102 private static final String TAG_PERMISSION = "perm"; 1103 private static final String ATTR_PERMISSION_NAME = "name"; 1104 private static final String ATTR_IS_GRANTED = "g"; 1105 private static final String ATTR_USER_SET = "set"; 1106 private static final String ATTR_USER_FIXED = "fixed"; 1107 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1108 1109 // System/policy permission grants are not backed up 1110 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1111 FLAG_PERMISSION_POLICY_FIXED 1112 | FLAG_PERMISSION_SYSTEM_FIXED 1113 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1114 1115 // And we back up these user-adjusted states 1116 private static final int USER_RUNTIME_GRANT_MASK = 1117 FLAG_PERMISSION_USER_SET 1118 | FLAG_PERMISSION_USER_FIXED 1119 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1120 1121 final @Nullable String mRequiredVerifierPackage; 1122 final @NonNull String mRequiredInstallerPackage; 1123 final @Nullable String mSetupWizardPackage; 1124 final @NonNull String mServicesSystemSharedLibraryPackageName; 1125 final @NonNull String mSharedSystemSharedLibraryPackageName; 1126 1127 private final PackageUsage mPackageUsage = new PackageUsage(); 1128 private final CompilerStats mCompilerStats = new CompilerStats(); 1129 1130 class PackageHandler extends Handler { 1131 private boolean mBound = false; 1132 final ArrayList<HandlerParams> mPendingInstalls = 1133 new ArrayList<HandlerParams>(); 1134 1135 private boolean connectToService() { 1136 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1137 " DefaultContainerService"); 1138 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1139 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1140 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1141 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1142 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1143 mBound = true; 1144 return true; 1145 } 1146 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1147 return false; 1148 } 1149 1150 private void disconnectService() { 1151 mContainerService = null; 1152 mBound = false; 1153 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1154 mContext.unbindService(mDefContainerConn); 1155 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1156 } 1157 1158 PackageHandler(Looper looper) { 1159 super(looper); 1160 } 1161 1162 public void handleMessage(Message msg) { 1163 try { 1164 doHandleMessage(msg); 1165 } finally { 1166 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1167 } 1168 } 1169 1170 void doHandleMessage(Message msg) { 1171 switch (msg.what) { 1172 case INIT_COPY: { 1173 HandlerParams params = (HandlerParams) msg.obj; 1174 int idx = mPendingInstalls.size(); 1175 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1176 // If a bind was already initiated we dont really 1177 // need to do anything. The pending install 1178 // will be processed later on. 1179 if (!mBound) { 1180 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1181 System.identityHashCode(mHandler)); 1182 // If this is the only one pending we might 1183 // have to bind to the service again. 1184 if (!connectToService()) { 1185 Slog.e(TAG, "Failed to bind to media container service"); 1186 params.serviceError(); 1187 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1188 System.identityHashCode(mHandler)); 1189 if (params.traceMethod != null) { 1190 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1191 params.traceCookie); 1192 } 1193 return; 1194 } else { 1195 // Once we bind to the service, the first 1196 // pending request will be processed. 1197 mPendingInstalls.add(idx, params); 1198 } 1199 } else { 1200 mPendingInstalls.add(idx, params); 1201 // Already bound to the service. Just make 1202 // sure we trigger off processing the first request. 1203 if (idx == 0) { 1204 mHandler.sendEmptyMessage(MCS_BOUND); 1205 } 1206 } 1207 break; 1208 } 1209 case MCS_BOUND: { 1210 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1211 if (msg.obj != null) { 1212 mContainerService = (IMediaContainerService) msg.obj; 1213 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1214 System.identityHashCode(mHandler)); 1215 } 1216 if (mContainerService == null) { 1217 if (!mBound) { 1218 // Something seriously wrong since we are not bound and we are not 1219 // waiting for connection. Bail out. 1220 Slog.e(TAG, "Cannot bind to media container service"); 1221 for (HandlerParams params : mPendingInstalls) { 1222 // Indicate service bind error 1223 params.serviceError(); 1224 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1225 System.identityHashCode(params)); 1226 if (params.traceMethod != null) { 1227 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1228 params.traceMethod, params.traceCookie); 1229 } 1230 return; 1231 } 1232 mPendingInstalls.clear(); 1233 } else { 1234 Slog.w(TAG, "Waiting to connect to media container service"); 1235 } 1236 } else if (mPendingInstalls.size() > 0) { 1237 HandlerParams params = mPendingInstalls.get(0); 1238 if (params != null) { 1239 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1240 System.identityHashCode(params)); 1241 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1242 if (params.startCopy()) { 1243 // We are done... look for more work or to 1244 // go idle. 1245 if (DEBUG_SD_INSTALL) Log.i(TAG, 1246 "Checking for more work or unbind..."); 1247 // Delete pending install 1248 if (mPendingInstalls.size() > 0) { 1249 mPendingInstalls.remove(0); 1250 } 1251 if (mPendingInstalls.size() == 0) { 1252 if (mBound) { 1253 if (DEBUG_SD_INSTALL) Log.i(TAG, 1254 "Posting delayed MCS_UNBIND"); 1255 removeMessages(MCS_UNBIND); 1256 Message ubmsg = obtainMessage(MCS_UNBIND); 1257 // Unbind after a little delay, to avoid 1258 // continual thrashing. 1259 sendMessageDelayed(ubmsg, 10000); 1260 } 1261 } else { 1262 // There are more pending requests in queue. 1263 // Just post MCS_BOUND message to trigger processing 1264 // of next pending install. 1265 if (DEBUG_SD_INSTALL) Log.i(TAG, 1266 "Posting MCS_BOUND for next work"); 1267 mHandler.sendEmptyMessage(MCS_BOUND); 1268 } 1269 } 1270 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1271 } 1272 } else { 1273 // Should never happen ideally. 1274 Slog.w(TAG, "Empty queue"); 1275 } 1276 break; 1277 } 1278 case MCS_RECONNECT: { 1279 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1280 if (mPendingInstalls.size() > 0) { 1281 if (mBound) { 1282 disconnectService(); 1283 } 1284 if (!connectToService()) { 1285 Slog.e(TAG, "Failed to bind to media container service"); 1286 for (HandlerParams params : mPendingInstalls) { 1287 // Indicate service bind error 1288 params.serviceError(); 1289 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1290 System.identityHashCode(params)); 1291 } 1292 mPendingInstalls.clear(); 1293 } 1294 } 1295 break; 1296 } 1297 case MCS_UNBIND: { 1298 // If there is no actual work left, then time to unbind. 1299 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1300 1301 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1302 if (mBound) { 1303 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1304 1305 disconnectService(); 1306 } 1307 } else if (mPendingInstalls.size() > 0) { 1308 // There are more pending requests in queue. 1309 // Just post MCS_BOUND message to trigger processing 1310 // of next pending install. 1311 mHandler.sendEmptyMessage(MCS_BOUND); 1312 } 1313 1314 break; 1315 } 1316 case MCS_GIVE_UP: { 1317 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1318 HandlerParams params = mPendingInstalls.remove(0); 1319 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1320 System.identityHashCode(params)); 1321 break; 1322 } 1323 case SEND_PENDING_BROADCAST: { 1324 String packages[]; 1325 ArrayList<String> components[]; 1326 int size = 0; 1327 int uids[]; 1328 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1329 synchronized (mPackages) { 1330 if (mPendingBroadcasts == null) { 1331 return; 1332 } 1333 size = mPendingBroadcasts.size(); 1334 if (size <= 0) { 1335 // Nothing to be done. Just return 1336 return; 1337 } 1338 packages = new String[size]; 1339 components = new ArrayList[size]; 1340 uids = new int[size]; 1341 int i = 0; // filling out the above arrays 1342 1343 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1344 int packageUserId = mPendingBroadcasts.userIdAt(n); 1345 Iterator<Map.Entry<String, ArrayList<String>>> it 1346 = mPendingBroadcasts.packagesForUserId(packageUserId) 1347 .entrySet().iterator(); 1348 while (it.hasNext() && i < size) { 1349 Map.Entry<String, ArrayList<String>> ent = it.next(); 1350 packages[i] = ent.getKey(); 1351 components[i] = ent.getValue(); 1352 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1353 uids[i] = (ps != null) 1354 ? UserHandle.getUid(packageUserId, ps.appId) 1355 : -1; 1356 i++; 1357 } 1358 } 1359 size = i; 1360 mPendingBroadcasts.clear(); 1361 } 1362 // Send broadcasts 1363 for (int i = 0; i < size; i++) { 1364 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1365 } 1366 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1367 break; 1368 } 1369 case START_CLEANING_PACKAGE: { 1370 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1371 final String packageName = (String)msg.obj; 1372 final int userId = msg.arg1; 1373 final boolean andCode = msg.arg2 != 0; 1374 synchronized (mPackages) { 1375 if (userId == UserHandle.USER_ALL) { 1376 int[] users = sUserManager.getUserIds(); 1377 for (int user : users) { 1378 mSettings.addPackageToCleanLPw( 1379 new PackageCleanItem(user, packageName, andCode)); 1380 } 1381 } else { 1382 mSettings.addPackageToCleanLPw( 1383 new PackageCleanItem(userId, packageName, andCode)); 1384 } 1385 } 1386 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1387 startCleaningPackages(); 1388 } break; 1389 case POST_INSTALL: { 1390 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1391 1392 PostInstallData data = mRunningInstalls.get(msg.arg1); 1393 final boolean didRestore = (msg.arg2 != 0); 1394 mRunningInstalls.delete(msg.arg1); 1395 1396 if (data != null) { 1397 InstallArgs args = data.args; 1398 PackageInstalledInfo parentRes = data.res; 1399 1400 final boolean grantPermissions = (args.installFlags 1401 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1402 final boolean killApp = (args.installFlags 1403 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1404 final String[] grantedPermissions = args.installGrantPermissions; 1405 1406 // Handle the parent package 1407 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1408 grantedPermissions, didRestore, args.installerPackageName, 1409 args.observer); 1410 1411 // Handle the child packages 1412 final int childCount = (parentRes.addedChildPackages != null) 1413 ? parentRes.addedChildPackages.size() : 0; 1414 for (int i = 0; i < childCount; i++) { 1415 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1416 handlePackagePostInstall(childRes, grantPermissions, killApp, 1417 grantedPermissions, false, args.installerPackageName, 1418 args.observer); 1419 } 1420 1421 // Log tracing if needed 1422 if (args.traceMethod != null) { 1423 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1424 args.traceCookie); 1425 } 1426 } else { 1427 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1428 } 1429 1430 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1431 } break; 1432 case UPDATED_MEDIA_STATUS: { 1433 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1434 boolean reportStatus = msg.arg1 == 1; 1435 boolean doGc = msg.arg2 == 1; 1436 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1437 if (doGc) { 1438 // Force a gc to clear up stale containers. 1439 Runtime.getRuntime().gc(); 1440 } 1441 if (msg.obj != null) { 1442 @SuppressWarnings("unchecked") 1443 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1444 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1445 // Unload containers 1446 unloadAllContainers(args); 1447 } 1448 if (reportStatus) { 1449 try { 1450 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1451 PackageHelper.getMountService().finishMediaUpdate(); 1452 } catch (RemoteException e) { 1453 Log.e(TAG, "MountService not running?"); 1454 } 1455 } 1456 } break; 1457 case WRITE_SETTINGS: { 1458 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1459 synchronized (mPackages) { 1460 removeMessages(WRITE_SETTINGS); 1461 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1462 mSettings.writeLPr(); 1463 mDirtyUsers.clear(); 1464 } 1465 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1466 } break; 1467 case WRITE_PACKAGE_RESTRICTIONS: { 1468 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1469 synchronized (mPackages) { 1470 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1471 for (int userId : mDirtyUsers) { 1472 mSettings.writePackageRestrictionsLPr(userId); 1473 } 1474 mDirtyUsers.clear(); 1475 } 1476 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1477 } break; 1478 case WRITE_PACKAGE_LIST: { 1479 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1480 synchronized (mPackages) { 1481 removeMessages(WRITE_PACKAGE_LIST); 1482 mSettings.writePackageListLPr(msg.arg1); 1483 } 1484 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1485 } break; 1486 case CHECK_PENDING_VERIFICATION: { 1487 final int verificationId = msg.arg1; 1488 final PackageVerificationState state = mPendingVerification.get(verificationId); 1489 1490 if ((state != null) && !state.timeoutExtended()) { 1491 final InstallArgs args = state.getInstallArgs(); 1492 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1493 1494 Slog.i(TAG, "Verification timed out for " + originUri); 1495 mPendingVerification.remove(verificationId); 1496 1497 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1498 1499 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1500 Slog.i(TAG, "Continuing with installation of " + originUri); 1501 state.setVerifierResponse(Binder.getCallingUid(), 1502 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1503 broadcastPackageVerified(verificationId, originUri, 1504 PackageManager.VERIFICATION_ALLOW, 1505 state.getInstallArgs().getUser()); 1506 try { 1507 ret = args.copyApk(mContainerService, true); 1508 } catch (RemoteException e) { 1509 Slog.e(TAG, "Could not contact the ContainerService"); 1510 } 1511 } else { 1512 broadcastPackageVerified(verificationId, originUri, 1513 PackageManager.VERIFICATION_REJECT, 1514 state.getInstallArgs().getUser()); 1515 } 1516 1517 Trace.asyncTraceEnd( 1518 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1519 1520 processPendingInstall(args, ret); 1521 mHandler.sendEmptyMessage(MCS_UNBIND); 1522 } 1523 break; 1524 } 1525 case PACKAGE_VERIFIED: { 1526 final int verificationId = msg.arg1; 1527 1528 final PackageVerificationState state = mPendingVerification.get(verificationId); 1529 if (state == null) { 1530 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1531 break; 1532 } 1533 1534 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1535 1536 state.setVerifierResponse(response.callerUid, response.code); 1537 1538 if (state.isVerificationComplete()) { 1539 mPendingVerification.remove(verificationId); 1540 1541 final InstallArgs args = state.getInstallArgs(); 1542 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1543 1544 int ret; 1545 if (state.isInstallAllowed()) { 1546 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1547 broadcastPackageVerified(verificationId, originUri, 1548 response.code, state.getInstallArgs().getUser()); 1549 try { 1550 ret = args.copyApk(mContainerService, true); 1551 } catch (RemoteException e) { 1552 Slog.e(TAG, "Could not contact the ContainerService"); 1553 } 1554 } else { 1555 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1556 } 1557 1558 Trace.asyncTraceEnd( 1559 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1560 1561 processPendingInstall(args, ret); 1562 mHandler.sendEmptyMessage(MCS_UNBIND); 1563 } 1564 1565 break; 1566 } 1567 case START_INTENT_FILTER_VERIFICATIONS: { 1568 IFVerificationParams params = (IFVerificationParams) msg.obj; 1569 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1570 params.replacing, params.pkg); 1571 break; 1572 } 1573 case INTENT_FILTER_VERIFIED: { 1574 final int verificationId = msg.arg1; 1575 1576 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1577 verificationId); 1578 if (state == null) { 1579 Slog.w(TAG, "Invalid IntentFilter verification token " 1580 + verificationId + " received"); 1581 break; 1582 } 1583 1584 final int userId = state.getUserId(); 1585 1586 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1587 "Processing IntentFilter verification with token:" 1588 + verificationId + " and userId:" + userId); 1589 1590 final IntentFilterVerificationResponse response = 1591 (IntentFilterVerificationResponse) msg.obj; 1592 1593 state.setVerifierResponse(response.callerUid, response.code); 1594 1595 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1596 "IntentFilter verification with token:" + verificationId 1597 + " and userId:" + userId 1598 + " is settings verifier response with response code:" 1599 + response.code); 1600 1601 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1602 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1603 + response.getFailedDomainsString()); 1604 } 1605 1606 if (state.isVerificationComplete()) { 1607 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1608 } else { 1609 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1610 "IntentFilter verification with token:" + verificationId 1611 + " was not said to be complete"); 1612 } 1613 1614 break; 1615 } 1616 } 1617 } 1618 } 1619 1620 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1621 boolean killApp, String[] grantedPermissions, 1622 boolean launchedForRestore, String installerPackage, 1623 IPackageInstallObserver2 installObserver) { 1624 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1625 // Send the removed broadcasts 1626 if (res.removedInfo != null) { 1627 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1628 } 1629 1630 // Now that we successfully installed the package, grant runtime 1631 // permissions if requested before broadcasting the install. 1632 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1633 >= Build.VERSION_CODES.M) { 1634 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1635 } 1636 1637 final boolean update = res.removedInfo != null 1638 && res.removedInfo.removedPackage != null; 1639 1640 // If this is the first time we have child packages for a disabled privileged 1641 // app that had no children, we grant requested runtime permissions to the new 1642 // children if the parent on the system image had them already granted. 1643 if (res.pkg.parentPackage != null) { 1644 synchronized (mPackages) { 1645 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1646 } 1647 } 1648 1649 synchronized (mPackages) { 1650 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1651 } 1652 1653 final String packageName = res.pkg.applicationInfo.packageName; 1654 Bundle extras = new Bundle(1); 1655 extras.putInt(Intent.EXTRA_UID, res.uid); 1656 1657 // Determine the set of users who are adding this package for 1658 // the first time vs. those who are seeing an update. 1659 int[] firstUsers = EMPTY_INT_ARRAY; 1660 int[] updateUsers = EMPTY_INT_ARRAY; 1661 if (res.origUsers == null || res.origUsers.length == 0) { 1662 firstUsers = res.newUsers; 1663 } else { 1664 for (int newUser : res.newUsers) { 1665 boolean isNew = true; 1666 for (int origUser : res.origUsers) { 1667 if (origUser == newUser) { 1668 isNew = false; 1669 break; 1670 } 1671 } 1672 if (isNew) { 1673 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1674 } else { 1675 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1676 } 1677 } 1678 } 1679 1680 // Send installed broadcasts if the install/update is not ephemeral 1681 if (!isEphemeral(res.pkg)) { 1682 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1683 1684 // Send added for users that see the package for the first time 1685 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1686 extras, 0 /*flags*/, null /*targetPackage*/, 1687 null /*finishedReceiver*/, firstUsers); 1688 1689 // Send added for users that don't see the package for the first time 1690 if (update) { 1691 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1692 } 1693 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1694 extras, 0 /*flags*/, null /*targetPackage*/, 1695 null /*finishedReceiver*/, updateUsers); 1696 1697 // Send replaced for users that don't see the package for the first time 1698 if (update) { 1699 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1700 packageName, extras, 0 /*flags*/, 1701 null /*targetPackage*/, null /*finishedReceiver*/, 1702 updateUsers); 1703 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1704 null /*package*/, null /*extras*/, 0 /*flags*/, 1705 packageName /*targetPackage*/, 1706 null /*finishedReceiver*/, updateUsers); 1707 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1708 // First-install and we did a restore, so we're responsible for the 1709 // first-launch broadcast. 1710 if (DEBUG_BACKUP) { 1711 Slog.i(TAG, "Post-restore of " + packageName 1712 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1713 } 1714 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1715 } 1716 1717 // Send broadcast package appeared if forward locked/external for all users 1718 // treat asec-hosted packages like removable media on upgrade 1719 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1720 if (DEBUG_INSTALL) { 1721 Slog.i(TAG, "upgrading pkg " + res.pkg 1722 + " is ASEC-hosted -> AVAILABLE"); 1723 } 1724 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1725 ArrayList<String> pkgList = new ArrayList<>(1); 1726 pkgList.add(packageName); 1727 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1728 } 1729 } 1730 1731 // Work that needs to happen on first install within each user 1732 if (firstUsers != null && firstUsers.length > 0) { 1733 synchronized (mPackages) { 1734 for (int userId : firstUsers) { 1735 // If this app is a browser and it's newly-installed for some 1736 // users, clear any default-browser state in those users. The 1737 // app's nature doesn't depend on the user, so we can just check 1738 // its browser nature in any user and generalize. 1739 if (packageIsBrowser(packageName, userId)) { 1740 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1741 } 1742 1743 // We may also need to apply pending (restored) runtime 1744 // permission grants within these users. 1745 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1746 } 1747 } 1748 } 1749 1750 // Log current value of "unknown sources" setting 1751 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1752 getUnknownSourcesSettings()); 1753 1754 // Force a gc to clear up things 1755 Runtime.getRuntime().gc(); 1756 1757 // Remove the replaced package's older resources safely now 1758 // We delete after a gc for applications on sdcard. 1759 if (res.removedInfo != null && res.removedInfo.args != null) { 1760 synchronized (mInstallLock) { 1761 res.removedInfo.args.doPostDeleteLI(true); 1762 } 1763 } 1764 } 1765 1766 // If someone is watching installs - notify them 1767 if (installObserver != null) { 1768 try { 1769 Bundle extras = extrasForInstallResult(res); 1770 installObserver.onPackageInstalled(res.name, res.returnCode, 1771 res.returnMsg, extras); 1772 } catch (RemoteException e) { 1773 Slog.i(TAG, "Observer no longer exists."); 1774 } 1775 } 1776 } 1777 1778 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1779 PackageParser.Package pkg) { 1780 if (pkg.parentPackage == null) { 1781 return; 1782 } 1783 if (pkg.requestedPermissions == null) { 1784 return; 1785 } 1786 final PackageSetting disabledSysParentPs = mSettings 1787 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1788 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1789 || !disabledSysParentPs.isPrivileged() 1790 || (disabledSysParentPs.childPackageNames != null 1791 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1792 return; 1793 } 1794 final int[] allUserIds = sUserManager.getUserIds(); 1795 final int permCount = pkg.requestedPermissions.size(); 1796 for (int i = 0; i < permCount; i++) { 1797 String permission = pkg.requestedPermissions.get(i); 1798 BasePermission bp = mSettings.mPermissions.get(permission); 1799 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1800 continue; 1801 } 1802 for (int userId : allUserIds) { 1803 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1804 permission, userId)) { 1805 grantRuntimePermission(pkg.packageName, permission, userId); 1806 } 1807 } 1808 } 1809 } 1810 1811 private StorageEventListener mStorageListener = new StorageEventListener() { 1812 @Override 1813 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1814 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1815 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1816 final String volumeUuid = vol.getFsUuid(); 1817 1818 // Clean up any users or apps that were removed or recreated 1819 // while this volume was missing 1820 reconcileUsers(volumeUuid); 1821 reconcileApps(volumeUuid); 1822 1823 // Clean up any install sessions that expired or were 1824 // cancelled while this volume was missing 1825 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1826 1827 loadPrivatePackages(vol); 1828 1829 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1830 unloadPrivatePackages(vol); 1831 } 1832 } 1833 1834 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1835 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1836 updateExternalMediaStatus(true, false); 1837 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1838 updateExternalMediaStatus(false, false); 1839 } 1840 } 1841 } 1842 1843 @Override 1844 public void onVolumeForgotten(String fsUuid) { 1845 if (TextUtils.isEmpty(fsUuid)) { 1846 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1847 return; 1848 } 1849 1850 // Remove any apps installed on the forgotten volume 1851 synchronized (mPackages) { 1852 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1853 for (PackageSetting ps : packages) { 1854 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1855 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1856 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1857 } 1858 1859 mSettings.onVolumeForgotten(fsUuid); 1860 mSettings.writeLPr(); 1861 } 1862 } 1863 }; 1864 1865 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1866 String[] grantedPermissions) { 1867 for (int userId : userIds) { 1868 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1869 } 1870 1871 // We could have touched GID membership, so flush out packages.list 1872 synchronized (mPackages) { 1873 mSettings.writePackageListLPr(); 1874 } 1875 } 1876 1877 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1878 String[] grantedPermissions) { 1879 SettingBase sb = (SettingBase) pkg.mExtras; 1880 if (sb == null) { 1881 return; 1882 } 1883 1884 PermissionsState permissionsState = sb.getPermissionsState(); 1885 1886 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1887 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1888 1889 for (String permission : pkg.requestedPermissions) { 1890 final BasePermission bp; 1891 synchronized (mPackages) { 1892 bp = mSettings.mPermissions.get(permission); 1893 } 1894 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1895 && (grantedPermissions == null 1896 || ArrayUtils.contains(grantedPermissions, permission))) { 1897 final int flags = permissionsState.getPermissionFlags(permission, userId); 1898 // Installer cannot change immutable permissions. 1899 if ((flags & immutableFlags) == 0) { 1900 grantRuntimePermission(pkg.packageName, permission, userId); 1901 } 1902 } 1903 } 1904 } 1905 1906 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1907 Bundle extras = null; 1908 switch (res.returnCode) { 1909 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1910 extras = new Bundle(); 1911 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1912 res.origPermission); 1913 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1914 res.origPackage); 1915 break; 1916 } 1917 case PackageManager.INSTALL_SUCCEEDED: { 1918 extras = new Bundle(); 1919 extras.putBoolean(Intent.EXTRA_REPLACING, 1920 res.removedInfo != null && res.removedInfo.removedPackage != null); 1921 break; 1922 } 1923 } 1924 return extras; 1925 } 1926 1927 void scheduleWriteSettingsLocked() { 1928 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1929 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1930 } 1931 } 1932 1933 void scheduleWritePackageListLocked(int userId) { 1934 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1935 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1936 msg.arg1 = userId; 1937 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1938 } 1939 } 1940 1941 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1942 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1943 scheduleWritePackageRestrictionsLocked(userId); 1944 } 1945 1946 void scheduleWritePackageRestrictionsLocked(int userId) { 1947 final int[] userIds = (userId == UserHandle.USER_ALL) 1948 ? sUserManager.getUserIds() : new int[]{userId}; 1949 for (int nextUserId : userIds) { 1950 if (!sUserManager.exists(nextUserId)) return; 1951 mDirtyUsers.add(nextUserId); 1952 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1953 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1954 } 1955 } 1956 } 1957 1958 public static PackageManagerService main(Context context, Installer installer, 1959 boolean factoryTest, boolean onlyCore) { 1960 // Self-check for initial settings. 1961 PackageManagerServiceCompilerMapping.checkProperties(); 1962 1963 PackageManagerService m = new PackageManagerService(context, installer, 1964 factoryTest, onlyCore); 1965 m.enableSystemUserPackages(); 1966 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 1967 // disabled after already being started. 1968 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 1969 UserHandle.USER_SYSTEM); 1970 ServiceManager.addService("package", m); 1971 return m; 1972 } 1973 1974 private void enableSystemUserPackages() { 1975 if (!UserManager.isSplitSystemUser()) { 1976 return; 1977 } 1978 // For system user, enable apps based on the following conditions: 1979 // - app is whitelisted or belong to one of these groups: 1980 // -- system app which has no launcher icons 1981 // -- system app which has INTERACT_ACROSS_USERS permission 1982 // -- system IME app 1983 // - app is not in the blacklist 1984 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1985 Set<String> enableApps = new ArraySet<>(); 1986 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1987 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1988 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1989 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1990 enableApps.addAll(wlApps); 1991 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1992 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1993 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1994 enableApps.removeAll(blApps); 1995 Log.i(TAG, "Applications installed for system user: " + enableApps); 1996 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1997 UserHandle.SYSTEM); 1998 final int allAppsSize = allAps.size(); 1999 synchronized (mPackages) { 2000 for (int i = 0; i < allAppsSize; i++) { 2001 String pName = allAps.get(i); 2002 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2003 // Should not happen, but we shouldn't be failing if it does 2004 if (pkgSetting == null) { 2005 continue; 2006 } 2007 boolean install = enableApps.contains(pName); 2008 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2009 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2010 + " for system user"); 2011 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2012 } 2013 } 2014 } 2015 } 2016 2017 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2018 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2019 Context.DISPLAY_SERVICE); 2020 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2021 } 2022 2023 /** 2024 * Requests that files preopted on a secondary system partition be copied to the data partition 2025 * if possible. Note that the actual copying of the files is accomplished by init for security 2026 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2027 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2028 */ 2029 private static void requestCopyPreoptedFiles() { 2030 final int WAIT_TIME_MS = 100; 2031 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2032 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2033 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2034 // We will wait for up to 100 seconds. 2035 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2036 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2037 try { 2038 Thread.sleep(WAIT_TIME_MS); 2039 } catch (InterruptedException e) { 2040 // Do nothing 2041 } 2042 if (SystemClock.uptimeMillis() > timeEnd) { 2043 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2044 Slog.wtf(TAG, "cppreopt did not finish!"); 2045 break; 2046 } 2047 } 2048 } 2049 } 2050 2051 public PackageManagerService(Context context, Installer installer, 2052 boolean factoryTest, boolean onlyCore) { 2053 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2054 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2055 SystemClock.uptimeMillis()); 2056 2057 if (mSdkVersion <= 0) { 2058 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2059 } 2060 2061 mContext = context; 2062 mFactoryTest = factoryTest; 2063 mOnlyCore = onlyCore; 2064 mMetrics = new DisplayMetrics(); 2065 mSettings = new Settings(mPackages); 2066 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2067 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2068 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2069 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2070 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2071 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2072 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2073 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2074 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2075 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2076 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2077 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2078 2079 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2080 if (separateProcesses != null && separateProcesses.length() > 0) { 2081 if ("*".equals(separateProcesses)) { 2082 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2083 mSeparateProcesses = null; 2084 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2085 } else { 2086 mDefParseFlags = 0; 2087 mSeparateProcesses = separateProcesses.split(","); 2088 Slog.w(TAG, "Running with debug.separate_processes: " 2089 + separateProcesses); 2090 } 2091 } else { 2092 mDefParseFlags = 0; 2093 mSeparateProcesses = null; 2094 } 2095 2096 mInstaller = installer; 2097 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2098 "*dexopt*"); 2099 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2100 2101 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2102 FgThread.get().getLooper()); 2103 2104 getDefaultDisplayMetrics(context, mMetrics); 2105 2106 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2107 SystemConfig systemConfig = SystemConfig.getInstance(); 2108 mGlobalGids = systemConfig.getGlobalGids(); 2109 mSystemPermissions = systemConfig.getSystemPermissions(); 2110 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2111 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2112 2113 mProtectedPackages = new ProtectedPackages(mContext); 2114 2115 synchronized (mInstallLock) { 2116 // writer 2117 synchronized (mPackages) { 2118 mHandlerThread = new ServiceThread(TAG, 2119 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2120 mHandlerThread.start(); 2121 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2122 mProcessLoggingHandler = new ProcessLoggingHandler(); 2123 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2124 2125 File dataDir = Environment.getDataDirectory(); 2126 mAppInstallDir = new File(dataDir, "app"); 2127 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2128 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2129 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2130 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2131 2132 sUserManager = new UserManagerService(context, this, mPackages); 2133 2134 // Propagate permission configuration in to package manager. 2135 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2136 = systemConfig.getPermissions(); 2137 for (int i=0; i<permConfig.size(); i++) { 2138 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2139 BasePermission bp = mSettings.mPermissions.get(perm.name); 2140 if (bp == null) { 2141 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2142 mSettings.mPermissions.put(perm.name, bp); 2143 } 2144 if (perm.gids != null) { 2145 bp.setGids(perm.gids, perm.perUser); 2146 } 2147 } 2148 2149 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2150 for (int i=0; i<libConfig.size(); i++) { 2151 mSharedLibraries.put(libConfig.keyAt(i), 2152 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2153 } 2154 2155 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2156 2157 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2158 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2159 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2160 2161 if (mFirstBoot) { 2162 requestCopyPreoptedFiles(); 2163 } 2164 2165 String customResolverActivity = Resources.getSystem().getString( 2166 R.string.config_customResolverActivity); 2167 if (TextUtils.isEmpty(customResolverActivity)) { 2168 customResolverActivity = null; 2169 } else { 2170 mCustomResolverComponentName = ComponentName.unflattenFromString( 2171 customResolverActivity); 2172 } 2173 2174 long startTime = SystemClock.uptimeMillis(); 2175 2176 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2177 startTime); 2178 2179 // Set flag to monitor and not change apk file paths when 2180 // scanning install directories. 2181 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2182 2183 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2184 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2185 2186 if (bootClassPath == null) { 2187 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2188 } 2189 2190 if (systemServerClassPath == null) { 2191 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2192 } 2193 2194 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2195 final String[] dexCodeInstructionSets = 2196 getDexCodeInstructionSets( 2197 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2198 2199 /** 2200 * Ensure all external libraries have had dexopt run on them. 2201 */ 2202 if (mSharedLibraries.size() > 0) { 2203 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2204 // NOTE: For now, we're compiling these system "shared libraries" 2205 // (and framework jars) into all available architectures. It's possible 2206 // to compile them only when we come across an app that uses them (there's 2207 // already logic for that in scanPackageLI) but that adds some complexity. 2208 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2209 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2210 final String lib = libEntry.path; 2211 if (lib == null) { 2212 continue; 2213 } 2214 2215 try { 2216 // Shared libraries do not have profiles so we perform a full 2217 // AOT compilation (if needed). 2218 int dexoptNeeded = DexFile.getDexOptNeeded( 2219 lib, dexCodeInstructionSet, 2220 getCompilerFilterForReason(REASON_SHARED_APK), 2221 false /* newProfile */); 2222 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2223 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2224 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2225 getCompilerFilterForReason(REASON_SHARED_APK), 2226 StorageManager.UUID_PRIVATE_INTERNAL, 2227 SKIP_SHARED_LIBRARY_CHECK); 2228 } 2229 } catch (FileNotFoundException e) { 2230 Slog.w(TAG, "Library not found: " + lib); 2231 } catch (IOException | InstallerException e) { 2232 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2233 + e.getMessage()); 2234 } 2235 } 2236 } 2237 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2238 } 2239 2240 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2241 2242 final VersionInfo ver = mSettings.getInternalVersion(); 2243 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2244 2245 // when upgrading from pre-M, promote system app permissions from install to runtime 2246 mPromoteSystemApps = 2247 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2248 2249 // When upgrading from pre-N, we need to handle package extraction like first boot, 2250 // as there is no profiling data available. 2251 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2252 2253 // save off the names of pre-existing system packages prior to scanning; we don't 2254 // want to automatically grant runtime permissions for new system apps 2255 if (mPromoteSystemApps) { 2256 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2257 while (pkgSettingIter.hasNext()) { 2258 PackageSetting ps = pkgSettingIter.next(); 2259 if (isSystemApp(ps)) { 2260 mExistingSystemPackages.add(ps.name); 2261 } 2262 } 2263 } 2264 2265 // Collect vendor overlay packages. 2266 // (Do this before scanning any apps.) 2267 // For security and version matching reason, only consider 2268 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2269 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2270 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2271 | PackageParser.PARSE_IS_SYSTEM 2272 | PackageParser.PARSE_IS_SYSTEM_DIR 2273 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2274 2275 // Find base frameworks (resource packages without code). 2276 scanDirTracedLI(frameworkDir, mDefParseFlags 2277 | PackageParser.PARSE_IS_SYSTEM 2278 | PackageParser.PARSE_IS_SYSTEM_DIR 2279 | PackageParser.PARSE_IS_PRIVILEGED, 2280 scanFlags | SCAN_NO_DEX, 0); 2281 2282 // Collected privileged system packages. 2283 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2284 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2285 | PackageParser.PARSE_IS_SYSTEM 2286 | PackageParser.PARSE_IS_SYSTEM_DIR 2287 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2288 2289 // Collect ordinary system packages. 2290 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2291 scanDirTracedLI(systemAppDir, mDefParseFlags 2292 | PackageParser.PARSE_IS_SYSTEM 2293 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2294 2295 // Collect all vendor packages. 2296 File vendorAppDir = new File("/vendor/app"); 2297 try { 2298 vendorAppDir = vendorAppDir.getCanonicalFile(); 2299 } catch (IOException e) { 2300 // failed to look up canonical path, continue with original one 2301 } 2302 scanDirTracedLI(vendorAppDir, mDefParseFlags 2303 | PackageParser.PARSE_IS_SYSTEM 2304 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2305 2306 // Collect all OEM packages. 2307 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2308 scanDirTracedLI(oemAppDir, mDefParseFlags 2309 | PackageParser.PARSE_IS_SYSTEM 2310 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2311 2312 // Prune any system packages that no longer exist. 2313 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2314 if (!mOnlyCore) { 2315 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2316 while (psit.hasNext()) { 2317 PackageSetting ps = psit.next(); 2318 2319 /* 2320 * If this is not a system app, it can't be a 2321 * disable system app. 2322 */ 2323 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2324 continue; 2325 } 2326 2327 /* 2328 * If the package is scanned, it's not erased. 2329 */ 2330 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2331 if (scannedPkg != null) { 2332 /* 2333 * If the system app is both scanned and in the 2334 * disabled packages list, then it must have been 2335 * added via OTA. Remove it from the currently 2336 * scanned package so the previously user-installed 2337 * application can be scanned. 2338 */ 2339 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2340 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2341 + ps.name + "; removing system app. Last known codePath=" 2342 + ps.codePathString + ", installStatus=" + ps.installStatus 2343 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2344 + scannedPkg.mVersionCode); 2345 removePackageLI(scannedPkg, true); 2346 mExpectingBetter.put(ps.name, ps.codePath); 2347 } 2348 2349 continue; 2350 } 2351 2352 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2353 psit.remove(); 2354 logCriticalInfo(Log.WARN, "System package " + ps.name 2355 + " no longer exists; it's data will be wiped"); 2356 // Actual deletion of code and data will be handled by later 2357 // reconciliation step 2358 } else { 2359 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2360 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2361 possiblyDeletedUpdatedSystemApps.add(ps.name); 2362 } 2363 } 2364 } 2365 } 2366 2367 //look for any incomplete package installations 2368 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2369 for (int i = 0; i < deletePkgsList.size(); i++) { 2370 // Actual deletion of code and data will be handled by later 2371 // reconciliation step 2372 final String packageName = deletePkgsList.get(i).name; 2373 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2374 synchronized (mPackages) { 2375 mSettings.removePackageLPw(packageName); 2376 } 2377 } 2378 2379 //delete tmp files 2380 deleteTempPackageFiles(); 2381 2382 // Remove any shared userIDs that have no associated packages 2383 mSettings.pruneSharedUsersLPw(); 2384 2385 if (!mOnlyCore) { 2386 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2387 SystemClock.uptimeMillis()); 2388 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2389 2390 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2391 | PackageParser.PARSE_FORWARD_LOCK, 2392 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2393 2394 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2395 | PackageParser.PARSE_IS_EPHEMERAL, 2396 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2397 2398 /** 2399 * Remove disable package settings for any updated system 2400 * apps that were removed via an OTA. If they're not a 2401 * previously-updated app, remove them completely. 2402 * Otherwise, just revoke their system-level permissions. 2403 */ 2404 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2405 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2406 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2407 2408 String msg; 2409 if (deletedPkg == null) { 2410 msg = "Updated system package " + deletedAppName 2411 + " no longer exists; it's data will be wiped"; 2412 // Actual deletion of code and data will be handled by later 2413 // reconciliation step 2414 } else { 2415 msg = "Updated system app + " + deletedAppName 2416 + " no longer present; removing system privileges for " 2417 + deletedAppName; 2418 2419 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2420 2421 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2422 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2423 } 2424 logCriticalInfo(Log.WARN, msg); 2425 } 2426 2427 /** 2428 * Make sure all system apps that we expected to appear on 2429 * the userdata partition actually showed up. If they never 2430 * appeared, crawl back and revive the system version. 2431 */ 2432 for (int i = 0; i < mExpectingBetter.size(); i++) { 2433 final String packageName = mExpectingBetter.keyAt(i); 2434 if (!mPackages.containsKey(packageName)) { 2435 final File scanFile = mExpectingBetter.valueAt(i); 2436 2437 logCriticalInfo(Log.WARN, "Expected better " + packageName 2438 + " but never showed up; reverting to system"); 2439 2440 int reparseFlags = mDefParseFlags; 2441 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2442 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2443 | PackageParser.PARSE_IS_SYSTEM_DIR 2444 | PackageParser.PARSE_IS_PRIVILEGED; 2445 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2446 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2447 | PackageParser.PARSE_IS_SYSTEM_DIR; 2448 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2449 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2450 | PackageParser.PARSE_IS_SYSTEM_DIR; 2451 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2452 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2453 | PackageParser.PARSE_IS_SYSTEM_DIR; 2454 } else { 2455 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2456 continue; 2457 } 2458 2459 mSettings.enableSystemPackageLPw(packageName); 2460 2461 try { 2462 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2463 } catch (PackageManagerException e) { 2464 Slog.e(TAG, "Failed to parse original system package: " 2465 + e.getMessage()); 2466 } 2467 } 2468 } 2469 } 2470 mExpectingBetter.clear(); 2471 2472 // Resolve protected action filters. Only the setup wizard is allowed to 2473 // have a high priority filter for these actions. 2474 mSetupWizardPackage = getSetupWizardPackageName(); 2475 if (mProtectedFilters.size() > 0) { 2476 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2477 Slog.i(TAG, "No setup wizard;" 2478 + " All protected intents capped to priority 0"); 2479 } 2480 for (ActivityIntentInfo filter : mProtectedFilters) { 2481 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2482 if (DEBUG_FILTERS) { 2483 Slog.i(TAG, "Found setup wizard;" 2484 + " allow priority " + filter.getPriority() + ";" 2485 + " package: " + filter.activity.info.packageName 2486 + " activity: " + filter.activity.className 2487 + " priority: " + filter.getPriority()); 2488 } 2489 // skip setup wizard; allow it to keep the high priority filter 2490 continue; 2491 } 2492 Slog.w(TAG, "Protected action; cap priority to 0;" 2493 + " package: " + filter.activity.info.packageName 2494 + " activity: " + filter.activity.className 2495 + " origPrio: " + filter.getPriority()); 2496 filter.setPriority(0); 2497 } 2498 } 2499 mDeferProtectedFilters = false; 2500 mProtectedFilters.clear(); 2501 2502 // Now that we know all of the shared libraries, update all clients to have 2503 // the correct library paths. 2504 updateAllSharedLibrariesLPw(); 2505 2506 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2507 // NOTE: We ignore potential failures here during a system scan (like 2508 // the rest of the commands above) because there's precious little we 2509 // can do about it. A settings error is reported, though. 2510 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2511 false /* boot complete */); 2512 } 2513 2514 // Now that we know all the packages we are keeping, 2515 // read and update their last usage times. 2516 mPackageUsage.read(mPackages); 2517 mCompilerStats.read(); 2518 2519 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2520 SystemClock.uptimeMillis()); 2521 Slog.i(TAG, "Time to scan packages: " 2522 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2523 + " seconds"); 2524 2525 // If the platform SDK has changed since the last time we booted, 2526 // we need to re-grant app permission to catch any new ones that 2527 // appear. This is really a hack, and means that apps can in some 2528 // cases get permissions that the user didn't initially explicitly 2529 // allow... it would be nice to have some better way to handle 2530 // this situation. 2531 int updateFlags = UPDATE_PERMISSIONS_ALL; 2532 if (ver.sdkVersion != mSdkVersion) { 2533 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2534 + mSdkVersion + "; regranting permissions for internal storage"); 2535 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2536 } 2537 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2538 ver.sdkVersion = mSdkVersion; 2539 2540 // If this is the first boot or an update from pre-M, and it is a normal 2541 // boot, then we need to initialize the default preferred apps across 2542 // all defined users. 2543 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2544 for (UserInfo user : sUserManager.getUsers(true)) { 2545 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2546 applyFactoryDefaultBrowserLPw(user.id); 2547 primeDomainVerificationsLPw(user.id); 2548 } 2549 } 2550 2551 // Prepare storage for system user really early during boot, 2552 // since core system apps like SettingsProvider and SystemUI 2553 // can't wait for user to start 2554 final int storageFlags; 2555 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2556 storageFlags = StorageManager.FLAG_STORAGE_DE; 2557 } else { 2558 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2559 } 2560 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2561 storageFlags, true /* migrateAppData */); 2562 2563 // If this is first boot after an OTA, and a normal boot, then 2564 // we need to clear code cache directories. 2565 // Note that we do *not* clear the application profiles. These remain valid 2566 // across OTAs and are used to drive profile verification (post OTA) and 2567 // profile compilation (without waiting to collect a fresh set of profiles). 2568 if (mIsUpgrade && !onlyCore) { 2569 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2570 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2571 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2572 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2573 // No apps are running this early, so no need to freeze 2574 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2575 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2576 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2577 } 2578 } 2579 ver.fingerprint = Build.FINGERPRINT; 2580 } 2581 2582 checkDefaultBrowser(); 2583 2584 // clear only after permissions and other defaults have been updated 2585 mExistingSystemPackages.clear(); 2586 mPromoteSystemApps = false; 2587 2588 // All the changes are done during package scanning. 2589 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2590 2591 // can downgrade to reader 2592 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2593 mSettings.writeLPr(); 2594 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2595 2596 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2597 // early on (before the package manager declares itself as early) because other 2598 // components in the system server might ask for package contexts for these apps. 2599 // 2600 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2601 // (i.e, that the data partition is unavailable). 2602 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2603 long start = System.nanoTime(); 2604 List<PackageParser.Package> coreApps = new ArrayList<>(); 2605 for (PackageParser.Package pkg : mPackages.values()) { 2606 if (pkg.coreApp) { 2607 coreApps.add(pkg); 2608 } 2609 } 2610 2611 int[] stats = performDexOptUpgrade(coreApps, false, 2612 getCompilerFilterForReason(REASON_CORE_APP)); 2613 2614 final int elapsedTimeSeconds = 2615 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2616 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2617 2618 if (DEBUG_DEXOPT) { 2619 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2620 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2621 } 2622 2623 2624 // TODO: Should we log these stats to tron too ? 2625 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2626 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2627 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2628 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2629 } 2630 2631 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2632 SystemClock.uptimeMillis()); 2633 2634 if (!mOnlyCore) { 2635 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2636 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2637 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2638 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2639 mIntentFilterVerifierComponent); 2640 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2641 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2642 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2643 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2644 } else { 2645 mRequiredVerifierPackage = null; 2646 mRequiredInstallerPackage = null; 2647 mIntentFilterVerifierComponent = null; 2648 mIntentFilterVerifier = null; 2649 mServicesSystemSharedLibraryPackageName = null; 2650 mSharedSystemSharedLibraryPackageName = null; 2651 } 2652 2653 mInstallerService = new PackageInstallerService(context, this); 2654 2655 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2656 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2657 // both the installer and resolver must be present to enable ephemeral 2658 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2659 if (DEBUG_EPHEMERAL) { 2660 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2661 + " installer:" + ephemeralInstallerComponent); 2662 } 2663 mEphemeralResolverComponent = ephemeralResolverComponent; 2664 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2665 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2666 mEphemeralResolverConnection = 2667 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2668 } else { 2669 if (DEBUG_EPHEMERAL) { 2670 final String missingComponent = 2671 (ephemeralResolverComponent == null) 2672 ? (ephemeralInstallerComponent == null) 2673 ? "resolver and installer" 2674 : "resolver" 2675 : "installer"; 2676 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2677 } 2678 mEphemeralResolverComponent = null; 2679 mEphemeralInstallerComponent = null; 2680 mEphemeralResolverConnection = null; 2681 } 2682 2683 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2684 } // synchronized (mPackages) 2685 } // synchronized (mInstallLock) 2686 2687 // Now after opening every single application zip, make sure they 2688 // are all flushed. Not really needed, but keeps things nice and 2689 // tidy. 2690 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2691 Runtime.getRuntime().gc(); 2692 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2693 2694 // The initial scanning above does many calls into installd while 2695 // holding the mPackages lock, but we're mostly interested in yelling 2696 // once we have a booted system. 2697 mInstaller.setWarnIfHeld(mPackages); 2698 2699 // Expose private service for system components to use. 2700 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2701 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2702 } 2703 2704 @Override 2705 public boolean isFirstBoot() { 2706 return mFirstBoot; 2707 } 2708 2709 @Override 2710 public boolean isOnlyCoreApps() { 2711 return mOnlyCore; 2712 } 2713 2714 @Override 2715 public boolean isUpgrade() { 2716 return mIsUpgrade; 2717 } 2718 2719 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2720 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2721 2722 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2723 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2724 UserHandle.USER_SYSTEM); 2725 if (matches.size() == 1) { 2726 return matches.get(0).getComponentInfo().packageName; 2727 } else { 2728 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2729 return null; 2730 } 2731 } 2732 2733 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2734 synchronized (mPackages) { 2735 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2736 if (libraryEntry == null) { 2737 throw new IllegalStateException("Missing required shared library:" + libraryName); 2738 } 2739 return libraryEntry.apk; 2740 } 2741 } 2742 2743 private @NonNull String getRequiredInstallerLPr() { 2744 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2745 intent.addCategory(Intent.CATEGORY_DEFAULT); 2746 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2747 2748 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2749 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2750 UserHandle.USER_SYSTEM); 2751 if (matches.size() == 1) { 2752 ResolveInfo resolveInfo = matches.get(0); 2753 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2754 throw new RuntimeException("The installer must be a privileged app"); 2755 } 2756 return matches.get(0).getComponentInfo().packageName; 2757 } else { 2758 throw new RuntimeException("There must be exactly one installer; found " + matches); 2759 } 2760 } 2761 2762 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2763 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2764 2765 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2766 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2767 UserHandle.USER_SYSTEM); 2768 ResolveInfo best = null; 2769 final int N = matches.size(); 2770 for (int i = 0; i < N; i++) { 2771 final ResolveInfo cur = matches.get(i); 2772 final String packageName = cur.getComponentInfo().packageName; 2773 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2774 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2775 continue; 2776 } 2777 2778 if (best == null || cur.priority > best.priority) { 2779 best = cur; 2780 } 2781 } 2782 2783 if (best != null) { 2784 return best.getComponentInfo().getComponentName(); 2785 } else { 2786 throw new RuntimeException("There must be at least one intent filter verifier"); 2787 } 2788 } 2789 2790 private @Nullable ComponentName getEphemeralResolverLPr() { 2791 final String[] packageArray = 2792 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2793 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2794 if (DEBUG_EPHEMERAL) { 2795 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2796 } 2797 return null; 2798 } 2799 2800 final int resolveFlags = 2801 MATCH_DIRECT_BOOT_AWARE 2802 | MATCH_DIRECT_BOOT_UNAWARE 2803 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2804 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2805 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2806 resolveFlags, UserHandle.USER_SYSTEM); 2807 2808 final int N = resolvers.size(); 2809 if (N == 0) { 2810 if (DEBUG_EPHEMERAL) { 2811 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2812 } 2813 return null; 2814 } 2815 2816 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2817 for (int i = 0; i < N; i++) { 2818 final ResolveInfo info = resolvers.get(i); 2819 2820 if (info.serviceInfo == null) { 2821 continue; 2822 } 2823 2824 final String packageName = info.serviceInfo.packageName; 2825 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2826 if (DEBUG_EPHEMERAL) { 2827 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2828 + " pkg: " + packageName + ", info:" + info); 2829 } 2830 continue; 2831 } 2832 2833 if (DEBUG_EPHEMERAL) { 2834 Slog.v(TAG, "Ephemeral resolver found;" 2835 + " pkg: " + packageName + ", info:" + info); 2836 } 2837 return new ComponentName(packageName, info.serviceInfo.name); 2838 } 2839 if (DEBUG_EPHEMERAL) { 2840 Slog.v(TAG, "Ephemeral resolver NOT found"); 2841 } 2842 return null; 2843 } 2844 2845 private @Nullable ComponentName getEphemeralInstallerLPr() { 2846 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2847 intent.addCategory(Intent.CATEGORY_DEFAULT); 2848 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2849 2850 final int resolveFlags = 2851 MATCH_DIRECT_BOOT_AWARE 2852 | MATCH_DIRECT_BOOT_UNAWARE 2853 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2854 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2855 resolveFlags, UserHandle.USER_SYSTEM); 2856 if (matches.size() == 0) { 2857 return null; 2858 } else if (matches.size() == 1) { 2859 return matches.get(0).getComponentInfo().getComponentName(); 2860 } else { 2861 throw new RuntimeException( 2862 "There must be at most one ephemeral installer; found " + matches); 2863 } 2864 } 2865 2866 private void primeDomainVerificationsLPw(int userId) { 2867 if (DEBUG_DOMAIN_VERIFICATION) { 2868 Slog.d(TAG, "Priming domain verifications in user " + userId); 2869 } 2870 2871 SystemConfig systemConfig = SystemConfig.getInstance(); 2872 ArraySet<String> packages = systemConfig.getLinkedApps(); 2873 ArraySet<String> domains = new ArraySet<String>(); 2874 2875 for (String packageName : packages) { 2876 PackageParser.Package pkg = mPackages.get(packageName); 2877 if (pkg != null) { 2878 if (!pkg.isSystemApp()) { 2879 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2880 continue; 2881 } 2882 2883 domains.clear(); 2884 for (PackageParser.Activity a : pkg.activities) { 2885 for (ActivityIntentInfo filter : a.intents) { 2886 if (hasValidDomains(filter)) { 2887 domains.addAll(filter.getHostsList()); 2888 } 2889 } 2890 } 2891 2892 if (domains.size() > 0) { 2893 if (DEBUG_DOMAIN_VERIFICATION) { 2894 Slog.v(TAG, " + " + packageName); 2895 } 2896 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2897 // state w.r.t. the formal app-linkage "no verification attempted" state; 2898 // and then 'always' in the per-user state actually used for intent resolution. 2899 final IntentFilterVerificationInfo ivi; 2900 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2901 new ArrayList<String>(domains)); 2902 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2903 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2904 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2905 } else { 2906 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2907 + "' does not handle web links"); 2908 } 2909 } else { 2910 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2911 } 2912 } 2913 2914 scheduleWritePackageRestrictionsLocked(userId); 2915 scheduleWriteSettingsLocked(); 2916 } 2917 2918 private void applyFactoryDefaultBrowserLPw(int userId) { 2919 // The default browser app's package name is stored in a string resource, 2920 // with a product-specific overlay used for vendor customization. 2921 String browserPkg = mContext.getResources().getString( 2922 com.android.internal.R.string.default_browser); 2923 if (!TextUtils.isEmpty(browserPkg)) { 2924 // non-empty string => required to be a known package 2925 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2926 if (ps == null) { 2927 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2928 browserPkg = null; 2929 } else { 2930 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2931 } 2932 } 2933 2934 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2935 // default. If there's more than one, just leave everything alone. 2936 if (browserPkg == null) { 2937 calculateDefaultBrowserLPw(userId); 2938 } 2939 } 2940 2941 private void calculateDefaultBrowserLPw(int userId) { 2942 List<String> allBrowsers = resolveAllBrowserApps(userId); 2943 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2944 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2945 } 2946 2947 private List<String> resolveAllBrowserApps(int userId) { 2948 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2949 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2950 PackageManager.MATCH_ALL, userId); 2951 2952 final int count = list.size(); 2953 List<String> result = new ArrayList<String>(count); 2954 for (int i=0; i<count; i++) { 2955 ResolveInfo info = list.get(i); 2956 if (info.activityInfo == null 2957 || !info.handleAllWebDataURI 2958 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2959 || result.contains(info.activityInfo.packageName)) { 2960 continue; 2961 } 2962 result.add(info.activityInfo.packageName); 2963 } 2964 2965 return result; 2966 } 2967 2968 private boolean packageIsBrowser(String packageName, int userId) { 2969 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2970 PackageManager.MATCH_ALL, userId); 2971 final int N = list.size(); 2972 for (int i = 0; i < N; i++) { 2973 ResolveInfo info = list.get(i); 2974 if (packageName.equals(info.activityInfo.packageName)) { 2975 return true; 2976 } 2977 } 2978 return false; 2979 } 2980 2981 private void checkDefaultBrowser() { 2982 final int myUserId = UserHandle.myUserId(); 2983 final String packageName = getDefaultBrowserPackageName(myUserId); 2984 if (packageName != null) { 2985 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2986 if (info == null) { 2987 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2988 synchronized (mPackages) { 2989 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2990 } 2991 } 2992 } 2993 } 2994 2995 @Override 2996 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2997 throws RemoteException { 2998 try { 2999 return super.onTransact(code, data, reply, flags); 3000 } catch (RuntimeException e) { 3001 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3002 Slog.wtf(TAG, "Package Manager Crash", e); 3003 } 3004 throw e; 3005 } 3006 } 3007 3008 static int[] appendInts(int[] cur, int[] add) { 3009 if (add == null) return cur; 3010 if (cur == null) return add; 3011 final int N = add.length; 3012 for (int i=0; i<N; i++) { 3013 cur = appendInt(cur, add[i]); 3014 } 3015 return cur; 3016 } 3017 3018 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3019 if (!sUserManager.exists(userId)) return null; 3020 if (ps == null) { 3021 return null; 3022 } 3023 final PackageParser.Package p = ps.pkg; 3024 if (p == null) { 3025 return null; 3026 } 3027 3028 final PermissionsState permissionsState = ps.getPermissionsState(); 3029 3030 // Compute GIDs only if requested 3031 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3032 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3033 // Compute granted permissions only if package has requested permissions 3034 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3035 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3036 final PackageUserState state = ps.readUserState(userId); 3037 3038 return PackageParser.generatePackageInfo(p, gids, flags, 3039 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3040 } 3041 3042 @Override 3043 public void checkPackageStartable(String packageName, int userId) { 3044 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3045 3046 synchronized (mPackages) { 3047 final PackageSetting ps = mSettings.mPackages.get(packageName); 3048 if (ps == null) { 3049 throw new SecurityException("Package " + packageName + " was not found!"); 3050 } 3051 3052 if (!ps.getInstalled(userId)) { 3053 throw new SecurityException( 3054 "Package " + packageName + " was not installed for user " + userId + "!"); 3055 } 3056 3057 if (mSafeMode && !ps.isSystem()) { 3058 throw new SecurityException("Package " + packageName + " not a system app!"); 3059 } 3060 3061 if (mFrozenPackages.contains(packageName)) { 3062 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3063 } 3064 3065 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3066 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3067 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3068 } 3069 } 3070 } 3071 3072 @Override 3073 public boolean isPackageAvailable(String packageName, int userId) { 3074 if (!sUserManager.exists(userId)) return false; 3075 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3076 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3077 synchronized (mPackages) { 3078 PackageParser.Package p = mPackages.get(packageName); 3079 if (p != null) { 3080 final PackageSetting ps = (PackageSetting) p.mExtras; 3081 if (ps != null) { 3082 final PackageUserState state = ps.readUserState(userId); 3083 if (state != null) { 3084 return PackageParser.isAvailable(state); 3085 } 3086 } 3087 } 3088 } 3089 return false; 3090 } 3091 3092 @Override 3093 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3094 if (!sUserManager.exists(userId)) return null; 3095 flags = updateFlagsForPackage(flags, userId, packageName); 3096 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3097 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3098 // reader 3099 synchronized (mPackages) { 3100 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3101 PackageParser.Package p = null; 3102 if (matchFactoryOnly) { 3103 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3104 if (ps != null) { 3105 return generatePackageInfo(ps, flags, userId); 3106 } 3107 } 3108 if (p == null) { 3109 p = mPackages.get(packageName); 3110 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3111 return null; 3112 } 3113 } 3114 if (DEBUG_PACKAGE_INFO) 3115 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3116 if (p != null) { 3117 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3118 } 3119 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3120 final PackageSetting ps = mSettings.mPackages.get(packageName); 3121 return generatePackageInfo(ps, flags, userId); 3122 } 3123 } 3124 return null; 3125 } 3126 3127 @Override 3128 public String[] currentToCanonicalPackageNames(String[] names) { 3129 String[] out = new String[names.length]; 3130 // reader 3131 synchronized (mPackages) { 3132 for (int i=names.length-1; i>=0; i--) { 3133 PackageSetting ps = mSettings.mPackages.get(names[i]); 3134 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3135 } 3136 } 3137 return out; 3138 } 3139 3140 @Override 3141 public String[] canonicalToCurrentPackageNames(String[] names) { 3142 String[] out = new String[names.length]; 3143 // reader 3144 synchronized (mPackages) { 3145 for (int i=names.length-1; i>=0; i--) { 3146 String cur = mSettings.mRenamedPackages.get(names[i]); 3147 out[i] = cur != null ? cur : names[i]; 3148 } 3149 } 3150 return out; 3151 } 3152 3153 @Override 3154 public int getPackageUid(String packageName, int flags, int userId) { 3155 if (!sUserManager.exists(userId)) return -1; 3156 flags = updateFlagsForPackage(flags, userId, packageName); 3157 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3158 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3159 3160 // reader 3161 synchronized (mPackages) { 3162 final PackageParser.Package p = mPackages.get(packageName); 3163 if (p != null && p.isMatch(flags)) { 3164 return UserHandle.getUid(userId, p.applicationInfo.uid); 3165 } 3166 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3167 final PackageSetting ps = mSettings.mPackages.get(packageName); 3168 if (ps != null && ps.isMatch(flags)) { 3169 return UserHandle.getUid(userId, ps.appId); 3170 } 3171 } 3172 } 3173 3174 return -1; 3175 } 3176 3177 @Override 3178 public int[] getPackageGids(String packageName, int flags, int userId) { 3179 if (!sUserManager.exists(userId)) return null; 3180 flags = updateFlagsForPackage(flags, userId, packageName); 3181 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3182 false /* requireFullPermission */, false /* checkShell */, 3183 "getPackageGids"); 3184 3185 // reader 3186 synchronized (mPackages) { 3187 final PackageParser.Package p = mPackages.get(packageName); 3188 if (p != null && p.isMatch(flags)) { 3189 PackageSetting ps = (PackageSetting) p.mExtras; 3190 return ps.getPermissionsState().computeGids(userId); 3191 } 3192 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3193 final PackageSetting ps = mSettings.mPackages.get(packageName); 3194 if (ps != null && ps.isMatch(flags)) { 3195 return ps.getPermissionsState().computeGids(userId); 3196 } 3197 } 3198 } 3199 3200 return null; 3201 } 3202 3203 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3204 if (bp.perm != null) { 3205 return PackageParser.generatePermissionInfo(bp.perm, flags); 3206 } 3207 PermissionInfo pi = new PermissionInfo(); 3208 pi.name = bp.name; 3209 pi.packageName = bp.sourcePackage; 3210 pi.nonLocalizedLabel = bp.name; 3211 pi.protectionLevel = bp.protectionLevel; 3212 return pi; 3213 } 3214 3215 @Override 3216 public PermissionInfo getPermissionInfo(String name, int flags) { 3217 // reader 3218 synchronized (mPackages) { 3219 final BasePermission p = mSettings.mPermissions.get(name); 3220 if (p != null) { 3221 return generatePermissionInfo(p, flags); 3222 } 3223 return null; 3224 } 3225 } 3226 3227 @Override 3228 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3229 int flags) { 3230 // reader 3231 synchronized (mPackages) { 3232 if (group != null && !mPermissionGroups.containsKey(group)) { 3233 // This is thrown as NameNotFoundException 3234 return null; 3235 } 3236 3237 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3238 for (BasePermission p : mSettings.mPermissions.values()) { 3239 if (group == null) { 3240 if (p.perm == null || p.perm.info.group == null) { 3241 out.add(generatePermissionInfo(p, flags)); 3242 } 3243 } else { 3244 if (p.perm != null && group.equals(p.perm.info.group)) { 3245 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3246 } 3247 } 3248 } 3249 return new ParceledListSlice<>(out); 3250 } 3251 } 3252 3253 @Override 3254 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3255 // reader 3256 synchronized (mPackages) { 3257 return PackageParser.generatePermissionGroupInfo( 3258 mPermissionGroups.get(name), flags); 3259 } 3260 } 3261 3262 @Override 3263 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3264 // reader 3265 synchronized (mPackages) { 3266 final int N = mPermissionGroups.size(); 3267 ArrayList<PermissionGroupInfo> out 3268 = new ArrayList<PermissionGroupInfo>(N); 3269 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3270 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3271 } 3272 return new ParceledListSlice<>(out); 3273 } 3274 } 3275 3276 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3277 int userId) { 3278 if (!sUserManager.exists(userId)) return null; 3279 PackageSetting ps = mSettings.mPackages.get(packageName); 3280 if (ps != null) { 3281 if (ps.pkg == null) { 3282 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3283 if (pInfo != null) { 3284 return pInfo.applicationInfo; 3285 } 3286 return null; 3287 } 3288 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3289 ps.readUserState(userId), userId); 3290 } 3291 return null; 3292 } 3293 3294 @Override 3295 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3296 if (!sUserManager.exists(userId)) return null; 3297 flags = updateFlagsForApplication(flags, userId, packageName); 3298 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3299 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3300 // writer 3301 synchronized (mPackages) { 3302 PackageParser.Package p = mPackages.get(packageName); 3303 if (DEBUG_PACKAGE_INFO) Log.v( 3304 TAG, "getApplicationInfo " + packageName 3305 + ": " + p); 3306 if (p != null) { 3307 PackageSetting ps = mSettings.mPackages.get(packageName); 3308 if (ps == null) return null; 3309 // Note: isEnabledLP() does not apply here - always return info 3310 return PackageParser.generateApplicationInfo( 3311 p, flags, ps.readUserState(userId), userId); 3312 } 3313 if ("android".equals(packageName)||"system".equals(packageName)) { 3314 return mAndroidApplication; 3315 } 3316 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3317 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3318 } 3319 } 3320 return null; 3321 } 3322 3323 @Override 3324 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3325 final IPackageDataObserver observer) { 3326 mContext.enforceCallingOrSelfPermission( 3327 android.Manifest.permission.CLEAR_APP_CACHE, null); 3328 // Queue up an async operation since clearing cache may take a little while. 3329 mHandler.post(new Runnable() { 3330 public void run() { 3331 mHandler.removeCallbacks(this); 3332 boolean success = true; 3333 synchronized (mInstallLock) { 3334 try { 3335 mInstaller.freeCache(volumeUuid, freeStorageSize); 3336 } catch (InstallerException e) { 3337 Slog.w(TAG, "Couldn't clear application caches: " + e); 3338 success = false; 3339 } 3340 } 3341 if (observer != null) { 3342 try { 3343 observer.onRemoveCompleted(null, success); 3344 } catch (RemoteException e) { 3345 Slog.w(TAG, "RemoveException when invoking call back"); 3346 } 3347 } 3348 } 3349 }); 3350 } 3351 3352 @Override 3353 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3354 final IntentSender pi) { 3355 mContext.enforceCallingOrSelfPermission( 3356 android.Manifest.permission.CLEAR_APP_CACHE, null); 3357 // Queue up an async operation since clearing cache may take a little while. 3358 mHandler.post(new Runnable() { 3359 public void run() { 3360 mHandler.removeCallbacks(this); 3361 boolean success = true; 3362 synchronized (mInstallLock) { 3363 try { 3364 mInstaller.freeCache(volumeUuid, freeStorageSize); 3365 } catch (InstallerException e) { 3366 Slog.w(TAG, "Couldn't clear application caches: " + e); 3367 success = false; 3368 } 3369 } 3370 if(pi != null) { 3371 try { 3372 // Callback via pending intent 3373 int code = success ? 1 : 0; 3374 pi.sendIntent(null, code, null, 3375 null, null); 3376 } catch (SendIntentException e1) { 3377 Slog.i(TAG, "Failed to send pending intent"); 3378 } 3379 } 3380 } 3381 }); 3382 } 3383 3384 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3385 synchronized (mInstallLock) { 3386 try { 3387 mInstaller.freeCache(volumeUuid, freeStorageSize); 3388 } catch (InstallerException e) { 3389 throw new IOException("Failed to free enough space", e); 3390 } 3391 } 3392 } 3393 3394 /** 3395 * Update given flags based on encryption status of current user. 3396 */ 3397 private int updateFlags(int flags, int userId) { 3398 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3399 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3400 // Caller expressed an explicit opinion about what encryption 3401 // aware/unaware components they want to see, so fall through and 3402 // give them what they want 3403 } else { 3404 // Caller expressed no opinion, so match based on user state 3405 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3406 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3407 } else { 3408 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3409 } 3410 } 3411 return flags; 3412 } 3413 3414 private UserManagerInternal getUserManagerInternal() { 3415 if (mUserManagerInternal == null) { 3416 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3417 } 3418 return mUserManagerInternal; 3419 } 3420 3421 /** 3422 * Update given flags when being used to request {@link PackageInfo}. 3423 */ 3424 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3425 boolean triaged = true; 3426 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3427 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3428 // Caller is asking for component details, so they'd better be 3429 // asking for specific encryption matching behavior, or be triaged 3430 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3431 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3432 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3433 triaged = false; 3434 } 3435 } 3436 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3437 | PackageManager.MATCH_SYSTEM_ONLY 3438 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3439 triaged = false; 3440 } 3441 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3442 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3443 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3444 } 3445 return updateFlags(flags, userId); 3446 } 3447 3448 /** 3449 * Update given flags when being used to request {@link ApplicationInfo}. 3450 */ 3451 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3452 return updateFlagsForPackage(flags, userId, cookie); 3453 } 3454 3455 /** 3456 * Update given flags when being used to request {@link ComponentInfo}. 3457 */ 3458 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3459 if (cookie instanceof Intent) { 3460 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3461 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3462 } 3463 } 3464 3465 boolean triaged = true; 3466 // Caller is asking for component details, so they'd better be 3467 // asking for specific encryption matching behavior, or be triaged 3468 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3469 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3470 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3471 triaged = false; 3472 } 3473 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3474 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3475 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3476 } 3477 3478 return updateFlags(flags, userId); 3479 } 3480 3481 /** 3482 * Update given flags when being used to request {@link ResolveInfo}. 3483 */ 3484 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3485 // Safe mode means we shouldn't match any third-party components 3486 if (mSafeMode) { 3487 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3488 } 3489 3490 return updateFlagsForComponent(flags, userId, cookie); 3491 } 3492 3493 @Override 3494 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3495 if (!sUserManager.exists(userId)) return null; 3496 flags = updateFlagsForComponent(flags, userId, component); 3497 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3498 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3499 synchronized (mPackages) { 3500 PackageParser.Activity a = mActivities.mActivities.get(component); 3501 3502 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3503 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3504 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3505 if (ps == null) return null; 3506 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3507 userId); 3508 } 3509 if (mResolveComponentName.equals(component)) { 3510 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3511 new PackageUserState(), userId); 3512 } 3513 } 3514 return null; 3515 } 3516 3517 @Override 3518 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3519 String resolvedType) { 3520 synchronized (mPackages) { 3521 if (component.equals(mResolveComponentName)) { 3522 // The resolver supports EVERYTHING! 3523 return true; 3524 } 3525 PackageParser.Activity a = mActivities.mActivities.get(component); 3526 if (a == null) { 3527 return false; 3528 } 3529 for (int i=0; i<a.intents.size(); i++) { 3530 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3531 intent.getData(), intent.getCategories(), TAG) >= 0) { 3532 return true; 3533 } 3534 } 3535 return false; 3536 } 3537 } 3538 3539 @Override 3540 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3541 if (!sUserManager.exists(userId)) return null; 3542 flags = updateFlagsForComponent(flags, userId, component); 3543 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3544 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3545 synchronized (mPackages) { 3546 PackageParser.Activity a = mReceivers.mActivities.get(component); 3547 if (DEBUG_PACKAGE_INFO) Log.v( 3548 TAG, "getReceiverInfo " + component + ": " + a); 3549 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3550 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3551 if (ps == null) return null; 3552 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3553 userId); 3554 } 3555 } 3556 return null; 3557 } 3558 3559 @Override 3560 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3561 if (!sUserManager.exists(userId)) return null; 3562 flags = updateFlagsForComponent(flags, userId, component); 3563 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3564 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3565 synchronized (mPackages) { 3566 PackageParser.Service s = mServices.mServices.get(component); 3567 if (DEBUG_PACKAGE_INFO) Log.v( 3568 TAG, "getServiceInfo " + component + ": " + s); 3569 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3570 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3571 if (ps == null) return null; 3572 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3573 userId); 3574 } 3575 } 3576 return null; 3577 } 3578 3579 @Override 3580 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3581 if (!sUserManager.exists(userId)) return null; 3582 flags = updateFlagsForComponent(flags, userId, component); 3583 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3584 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3585 synchronized (mPackages) { 3586 PackageParser.Provider p = mProviders.mProviders.get(component); 3587 if (DEBUG_PACKAGE_INFO) Log.v( 3588 TAG, "getProviderInfo " + component + ": " + p); 3589 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3590 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3591 if (ps == null) return null; 3592 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3593 userId); 3594 } 3595 } 3596 return null; 3597 } 3598 3599 @Override 3600 public String[] getSystemSharedLibraryNames() { 3601 Set<String> libSet; 3602 synchronized (mPackages) { 3603 libSet = mSharedLibraries.keySet(); 3604 int size = libSet.size(); 3605 if (size > 0) { 3606 String[] libs = new String[size]; 3607 libSet.toArray(libs); 3608 return libs; 3609 } 3610 } 3611 return null; 3612 } 3613 3614 @Override 3615 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3616 synchronized (mPackages) { 3617 return mServicesSystemSharedLibraryPackageName; 3618 } 3619 } 3620 3621 @Override 3622 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3623 synchronized (mPackages) { 3624 return mSharedSystemSharedLibraryPackageName; 3625 } 3626 } 3627 3628 @Override 3629 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3630 synchronized (mPackages) { 3631 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3632 3633 final FeatureInfo fi = new FeatureInfo(); 3634 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3635 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3636 res.add(fi); 3637 3638 return new ParceledListSlice<>(res); 3639 } 3640 } 3641 3642 @Override 3643 public boolean hasSystemFeature(String name, int version) { 3644 synchronized (mPackages) { 3645 final FeatureInfo feat = mAvailableFeatures.get(name); 3646 if (feat == null) { 3647 return false; 3648 } else { 3649 return feat.version >= version; 3650 } 3651 } 3652 } 3653 3654 @Override 3655 public int checkPermission(String permName, String pkgName, int userId) { 3656 if (!sUserManager.exists(userId)) { 3657 return PackageManager.PERMISSION_DENIED; 3658 } 3659 3660 synchronized (mPackages) { 3661 final PackageParser.Package p = mPackages.get(pkgName); 3662 if (p != null && p.mExtras != null) { 3663 final PackageSetting ps = (PackageSetting) p.mExtras; 3664 final PermissionsState permissionsState = ps.getPermissionsState(); 3665 if (permissionsState.hasPermission(permName, userId)) { 3666 return PackageManager.PERMISSION_GRANTED; 3667 } 3668 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3669 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3670 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3671 return PackageManager.PERMISSION_GRANTED; 3672 } 3673 } 3674 } 3675 3676 return PackageManager.PERMISSION_DENIED; 3677 } 3678 3679 @Override 3680 public int checkUidPermission(String permName, int uid) { 3681 final int userId = UserHandle.getUserId(uid); 3682 3683 if (!sUserManager.exists(userId)) { 3684 return PackageManager.PERMISSION_DENIED; 3685 } 3686 3687 synchronized (mPackages) { 3688 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3689 if (obj != null) { 3690 final SettingBase ps = (SettingBase) obj; 3691 final PermissionsState permissionsState = ps.getPermissionsState(); 3692 if (permissionsState.hasPermission(permName, userId)) { 3693 return PackageManager.PERMISSION_GRANTED; 3694 } 3695 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3696 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3697 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3698 return PackageManager.PERMISSION_GRANTED; 3699 } 3700 } else { 3701 ArraySet<String> perms = mSystemPermissions.get(uid); 3702 if (perms != null) { 3703 if (perms.contains(permName)) { 3704 return PackageManager.PERMISSION_GRANTED; 3705 } 3706 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3707 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3708 return PackageManager.PERMISSION_GRANTED; 3709 } 3710 } 3711 } 3712 } 3713 3714 return PackageManager.PERMISSION_DENIED; 3715 } 3716 3717 @Override 3718 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3719 if (UserHandle.getCallingUserId() != userId) { 3720 mContext.enforceCallingPermission( 3721 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3722 "isPermissionRevokedByPolicy for user " + userId); 3723 } 3724 3725 if (checkPermission(permission, packageName, userId) 3726 == PackageManager.PERMISSION_GRANTED) { 3727 return false; 3728 } 3729 3730 final long identity = Binder.clearCallingIdentity(); 3731 try { 3732 final int flags = getPermissionFlags(permission, packageName, userId); 3733 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3734 } finally { 3735 Binder.restoreCallingIdentity(identity); 3736 } 3737 } 3738 3739 @Override 3740 public String getPermissionControllerPackageName() { 3741 synchronized (mPackages) { 3742 return mRequiredInstallerPackage; 3743 } 3744 } 3745 3746 /** 3747 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3748 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3749 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3750 * @param message the message to log on security exception 3751 */ 3752 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3753 boolean checkShell, String message) { 3754 if (userId < 0) { 3755 throw new IllegalArgumentException("Invalid userId " + userId); 3756 } 3757 if (checkShell) { 3758 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3759 } 3760 if (userId == UserHandle.getUserId(callingUid)) return; 3761 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3762 if (requireFullPermission) { 3763 mContext.enforceCallingOrSelfPermission( 3764 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3765 } else { 3766 try { 3767 mContext.enforceCallingOrSelfPermission( 3768 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3769 } catch (SecurityException se) { 3770 mContext.enforceCallingOrSelfPermission( 3771 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3772 } 3773 } 3774 } 3775 } 3776 3777 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3778 if (callingUid == Process.SHELL_UID) { 3779 if (userHandle >= 0 3780 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3781 throw new SecurityException("Shell does not have permission to access user " 3782 + userHandle); 3783 } else if (userHandle < 0) { 3784 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3785 + Debug.getCallers(3)); 3786 } 3787 } 3788 } 3789 3790 private BasePermission findPermissionTreeLP(String permName) { 3791 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3792 if (permName.startsWith(bp.name) && 3793 permName.length() > bp.name.length() && 3794 permName.charAt(bp.name.length()) == '.') { 3795 return bp; 3796 } 3797 } 3798 return null; 3799 } 3800 3801 private BasePermission checkPermissionTreeLP(String permName) { 3802 if (permName != null) { 3803 BasePermission bp = findPermissionTreeLP(permName); 3804 if (bp != null) { 3805 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3806 return bp; 3807 } 3808 throw new SecurityException("Calling uid " 3809 + Binder.getCallingUid() 3810 + " is not allowed to add to permission tree " 3811 + bp.name + " owned by uid " + bp.uid); 3812 } 3813 } 3814 throw new SecurityException("No permission tree found for " + permName); 3815 } 3816 3817 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3818 if (s1 == null) { 3819 return s2 == null; 3820 } 3821 if (s2 == null) { 3822 return false; 3823 } 3824 if (s1.getClass() != s2.getClass()) { 3825 return false; 3826 } 3827 return s1.equals(s2); 3828 } 3829 3830 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3831 if (pi1.icon != pi2.icon) return false; 3832 if (pi1.logo != pi2.logo) return false; 3833 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3834 if (!compareStrings(pi1.name, pi2.name)) return false; 3835 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3836 // We'll take care of setting this one. 3837 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3838 // These are not currently stored in settings. 3839 //if (!compareStrings(pi1.group, pi2.group)) return false; 3840 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3841 //if (pi1.labelRes != pi2.labelRes) return false; 3842 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3843 return true; 3844 } 3845 3846 int permissionInfoFootprint(PermissionInfo info) { 3847 int size = info.name.length(); 3848 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3849 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3850 return size; 3851 } 3852 3853 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3854 int size = 0; 3855 for (BasePermission perm : mSettings.mPermissions.values()) { 3856 if (perm.uid == tree.uid) { 3857 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3858 } 3859 } 3860 return size; 3861 } 3862 3863 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3864 // We calculate the max size of permissions defined by this uid and throw 3865 // if that plus the size of 'info' would exceed our stated maximum. 3866 if (tree.uid != Process.SYSTEM_UID) { 3867 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3868 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3869 throw new SecurityException("Permission tree size cap exceeded"); 3870 } 3871 } 3872 } 3873 3874 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3875 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3876 throw new SecurityException("Label must be specified in permission"); 3877 } 3878 BasePermission tree = checkPermissionTreeLP(info.name); 3879 BasePermission bp = mSettings.mPermissions.get(info.name); 3880 boolean added = bp == null; 3881 boolean changed = true; 3882 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3883 if (added) { 3884 enforcePermissionCapLocked(info, tree); 3885 bp = new BasePermission(info.name, tree.sourcePackage, 3886 BasePermission.TYPE_DYNAMIC); 3887 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3888 throw new SecurityException( 3889 "Not allowed to modify non-dynamic permission " 3890 + info.name); 3891 } else { 3892 if (bp.protectionLevel == fixedLevel 3893 && bp.perm.owner.equals(tree.perm.owner) 3894 && bp.uid == tree.uid 3895 && comparePermissionInfos(bp.perm.info, info)) { 3896 changed = false; 3897 } 3898 } 3899 bp.protectionLevel = fixedLevel; 3900 info = new PermissionInfo(info); 3901 info.protectionLevel = fixedLevel; 3902 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3903 bp.perm.info.packageName = tree.perm.info.packageName; 3904 bp.uid = tree.uid; 3905 if (added) { 3906 mSettings.mPermissions.put(info.name, bp); 3907 } 3908 if (changed) { 3909 if (!async) { 3910 mSettings.writeLPr(); 3911 } else { 3912 scheduleWriteSettingsLocked(); 3913 } 3914 } 3915 return added; 3916 } 3917 3918 @Override 3919 public boolean addPermission(PermissionInfo info) { 3920 synchronized (mPackages) { 3921 return addPermissionLocked(info, false); 3922 } 3923 } 3924 3925 @Override 3926 public boolean addPermissionAsync(PermissionInfo info) { 3927 synchronized (mPackages) { 3928 return addPermissionLocked(info, true); 3929 } 3930 } 3931 3932 @Override 3933 public void removePermission(String name) { 3934 synchronized (mPackages) { 3935 checkPermissionTreeLP(name); 3936 BasePermission bp = mSettings.mPermissions.get(name); 3937 if (bp != null) { 3938 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3939 throw new SecurityException( 3940 "Not allowed to modify non-dynamic permission " 3941 + name); 3942 } 3943 mSettings.mPermissions.remove(name); 3944 mSettings.writeLPr(); 3945 } 3946 } 3947 } 3948 3949 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3950 BasePermission bp) { 3951 int index = pkg.requestedPermissions.indexOf(bp.name); 3952 if (index == -1) { 3953 throw new SecurityException("Package " + pkg.packageName 3954 + " has not requested permission " + bp.name); 3955 } 3956 if (!bp.isRuntime() && !bp.isDevelopment()) { 3957 throw new SecurityException("Permission " + bp.name 3958 + " is not a changeable permission type"); 3959 } 3960 } 3961 3962 @Override 3963 public void grantRuntimePermission(String packageName, String name, final int userId) { 3964 if (!sUserManager.exists(userId)) { 3965 Log.e(TAG, "No such user:" + userId); 3966 return; 3967 } 3968 3969 mContext.enforceCallingOrSelfPermission( 3970 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3971 "grantRuntimePermission"); 3972 3973 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3974 true /* requireFullPermission */, true /* checkShell */, 3975 "grantRuntimePermission"); 3976 3977 final int uid; 3978 final SettingBase sb; 3979 3980 synchronized (mPackages) { 3981 final PackageParser.Package pkg = mPackages.get(packageName); 3982 if (pkg == null) { 3983 throw new IllegalArgumentException("Unknown package: " + packageName); 3984 } 3985 3986 final BasePermission bp = mSettings.mPermissions.get(name); 3987 if (bp == null) { 3988 throw new IllegalArgumentException("Unknown permission: " + name); 3989 } 3990 3991 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3992 3993 // If a permission review is required for legacy apps we represent 3994 // their permissions as always granted runtime ones since we need 3995 // to keep the review required permission flag per user while an 3996 // install permission's state is shared across all users. 3997 if (Build.PERMISSIONS_REVIEW_REQUIRED 3998 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3999 && bp.isRuntime()) { 4000 return; 4001 } 4002 4003 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4004 sb = (SettingBase) pkg.mExtras; 4005 if (sb == null) { 4006 throw new IllegalArgumentException("Unknown package: " + packageName); 4007 } 4008 4009 final PermissionsState permissionsState = sb.getPermissionsState(); 4010 4011 final int flags = permissionsState.getPermissionFlags(name, userId); 4012 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4013 throw new SecurityException("Cannot grant system fixed permission " 4014 + name + " for package " + packageName); 4015 } 4016 4017 if (bp.isDevelopment()) { 4018 // Development permissions must be handled specially, since they are not 4019 // normal runtime permissions. For now they apply to all users. 4020 if (permissionsState.grantInstallPermission(bp) != 4021 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4022 scheduleWriteSettingsLocked(); 4023 } 4024 return; 4025 } 4026 4027 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4028 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4029 return; 4030 } 4031 4032 final int result = permissionsState.grantRuntimePermission(bp, userId); 4033 switch (result) { 4034 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4035 return; 4036 } 4037 4038 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4039 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4040 mHandler.post(new Runnable() { 4041 @Override 4042 public void run() { 4043 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4044 } 4045 }); 4046 } 4047 break; 4048 } 4049 4050 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4051 4052 // Not critical if that is lost - app has to request again. 4053 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4054 } 4055 4056 // Only need to do this if user is initialized. Otherwise it's a new user 4057 // and there are no processes running as the user yet and there's no need 4058 // to make an expensive call to remount processes for the changed permissions. 4059 if (READ_EXTERNAL_STORAGE.equals(name) 4060 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4061 final long token = Binder.clearCallingIdentity(); 4062 try { 4063 if (sUserManager.isInitialized(userId)) { 4064 MountServiceInternal mountServiceInternal = LocalServices.getService( 4065 MountServiceInternal.class); 4066 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4067 } 4068 } finally { 4069 Binder.restoreCallingIdentity(token); 4070 } 4071 } 4072 } 4073 4074 @Override 4075 public void revokeRuntimePermission(String packageName, String name, int userId) { 4076 if (!sUserManager.exists(userId)) { 4077 Log.e(TAG, "No such user:" + userId); 4078 return; 4079 } 4080 4081 mContext.enforceCallingOrSelfPermission( 4082 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4083 "revokeRuntimePermission"); 4084 4085 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4086 true /* requireFullPermission */, true /* checkShell */, 4087 "revokeRuntimePermission"); 4088 4089 final int appId; 4090 4091 synchronized (mPackages) { 4092 final PackageParser.Package pkg = mPackages.get(packageName); 4093 if (pkg == null) { 4094 throw new IllegalArgumentException("Unknown package: " + packageName); 4095 } 4096 4097 final BasePermission bp = mSettings.mPermissions.get(name); 4098 if (bp == null) { 4099 throw new IllegalArgumentException("Unknown permission: " + name); 4100 } 4101 4102 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4103 4104 // If a permission review is required for legacy apps we represent 4105 // their permissions as always granted runtime ones since we need 4106 // to keep the review required permission flag per user while an 4107 // install permission's state is shared across all users. 4108 if (Build.PERMISSIONS_REVIEW_REQUIRED 4109 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4110 && bp.isRuntime()) { 4111 return; 4112 } 4113 4114 SettingBase sb = (SettingBase) pkg.mExtras; 4115 if (sb == null) { 4116 throw new IllegalArgumentException("Unknown package: " + packageName); 4117 } 4118 4119 final PermissionsState permissionsState = sb.getPermissionsState(); 4120 4121 final int flags = permissionsState.getPermissionFlags(name, userId); 4122 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4123 throw new SecurityException("Cannot revoke system fixed permission " 4124 + name + " for package " + packageName); 4125 } 4126 4127 if (bp.isDevelopment()) { 4128 // Development permissions must be handled specially, since they are not 4129 // normal runtime permissions. For now they apply to all users. 4130 if (permissionsState.revokeInstallPermission(bp) != 4131 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4132 scheduleWriteSettingsLocked(); 4133 } 4134 return; 4135 } 4136 4137 if (permissionsState.revokeRuntimePermission(bp, userId) == 4138 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4139 return; 4140 } 4141 4142 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4143 4144 // Critical, after this call app should never have the permission. 4145 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4146 4147 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4148 } 4149 4150 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4151 } 4152 4153 @Override 4154 public void resetRuntimePermissions() { 4155 mContext.enforceCallingOrSelfPermission( 4156 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4157 "revokeRuntimePermission"); 4158 4159 int callingUid = Binder.getCallingUid(); 4160 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4161 mContext.enforceCallingOrSelfPermission( 4162 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4163 "resetRuntimePermissions"); 4164 } 4165 4166 synchronized (mPackages) { 4167 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4168 for (int userId : UserManagerService.getInstance().getUserIds()) { 4169 final int packageCount = mPackages.size(); 4170 for (int i = 0; i < packageCount; i++) { 4171 PackageParser.Package pkg = mPackages.valueAt(i); 4172 if (!(pkg.mExtras instanceof PackageSetting)) { 4173 continue; 4174 } 4175 PackageSetting ps = (PackageSetting) pkg.mExtras; 4176 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4177 } 4178 } 4179 } 4180 } 4181 4182 @Override 4183 public int getPermissionFlags(String name, String packageName, int userId) { 4184 if (!sUserManager.exists(userId)) { 4185 return 0; 4186 } 4187 4188 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4189 4190 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4191 true /* requireFullPermission */, false /* checkShell */, 4192 "getPermissionFlags"); 4193 4194 synchronized (mPackages) { 4195 final PackageParser.Package pkg = mPackages.get(packageName); 4196 if (pkg == null) { 4197 return 0; 4198 } 4199 4200 final BasePermission bp = mSettings.mPermissions.get(name); 4201 if (bp == null) { 4202 return 0; 4203 } 4204 4205 SettingBase sb = (SettingBase) pkg.mExtras; 4206 if (sb == null) { 4207 return 0; 4208 } 4209 4210 PermissionsState permissionsState = sb.getPermissionsState(); 4211 return permissionsState.getPermissionFlags(name, userId); 4212 } 4213 } 4214 4215 @Override 4216 public void updatePermissionFlags(String name, String packageName, int flagMask, 4217 int flagValues, int userId) { 4218 if (!sUserManager.exists(userId)) { 4219 return; 4220 } 4221 4222 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4223 4224 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4225 true /* requireFullPermission */, true /* checkShell */, 4226 "updatePermissionFlags"); 4227 4228 // Only the system can change these flags and nothing else. 4229 if (getCallingUid() != Process.SYSTEM_UID) { 4230 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4231 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4232 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4233 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4234 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4235 } 4236 4237 synchronized (mPackages) { 4238 final PackageParser.Package pkg = mPackages.get(packageName); 4239 if (pkg == null) { 4240 throw new IllegalArgumentException("Unknown package: " + packageName); 4241 } 4242 4243 final BasePermission bp = mSettings.mPermissions.get(name); 4244 if (bp == null) { 4245 throw new IllegalArgumentException("Unknown permission: " + name); 4246 } 4247 4248 SettingBase sb = (SettingBase) pkg.mExtras; 4249 if (sb == null) { 4250 throw new IllegalArgumentException("Unknown package: " + packageName); 4251 } 4252 4253 PermissionsState permissionsState = sb.getPermissionsState(); 4254 4255 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4256 4257 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4258 // Install and runtime permissions are stored in different places, 4259 // so figure out what permission changed and persist the change. 4260 if (permissionsState.getInstallPermissionState(name) != null) { 4261 scheduleWriteSettingsLocked(); 4262 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4263 || hadState) { 4264 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4265 } 4266 } 4267 } 4268 } 4269 4270 /** 4271 * Update the permission flags for all packages and runtime permissions of a user in order 4272 * to allow device or profile owner to remove POLICY_FIXED. 4273 */ 4274 @Override 4275 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4276 if (!sUserManager.exists(userId)) { 4277 return; 4278 } 4279 4280 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4281 4282 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4283 true /* requireFullPermission */, true /* checkShell */, 4284 "updatePermissionFlagsForAllApps"); 4285 4286 // Only the system can change system fixed flags. 4287 if (getCallingUid() != Process.SYSTEM_UID) { 4288 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4289 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4290 } 4291 4292 synchronized (mPackages) { 4293 boolean changed = false; 4294 final int packageCount = mPackages.size(); 4295 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4296 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4297 SettingBase sb = (SettingBase) pkg.mExtras; 4298 if (sb == null) { 4299 continue; 4300 } 4301 PermissionsState permissionsState = sb.getPermissionsState(); 4302 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4303 userId, flagMask, flagValues); 4304 } 4305 if (changed) { 4306 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4307 } 4308 } 4309 } 4310 4311 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4312 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4313 != PackageManager.PERMISSION_GRANTED 4314 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4315 != PackageManager.PERMISSION_GRANTED) { 4316 throw new SecurityException(message + " requires " 4317 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4318 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4319 } 4320 } 4321 4322 @Override 4323 public boolean shouldShowRequestPermissionRationale(String permissionName, 4324 String packageName, int userId) { 4325 if (UserHandle.getCallingUserId() != userId) { 4326 mContext.enforceCallingPermission( 4327 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4328 "canShowRequestPermissionRationale for user " + userId); 4329 } 4330 4331 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4332 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4333 return false; 4334 } 4335 4336 if (checkPermission(permissionName, packageName, userId) 4337 == PackageManager.PERMISSION_GRANTED) { 4338 return false; 4339 } 4340 4341 final int flags; 4342 4343 final long identity = Binder.clearCallingIdentity(); 4344 try { 4345 flags = getPermissionFlags(permissionName, 4346 packageName, userId); 4347 } finally { 4348 Binder.restoreCallingIdentity(identity); 4349 } 4350 4351 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4352 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4353 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4354 4355 if ((flags & fixedFlags) != 0) { 4356 return false; 4357 } 4358 4359 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4360 } 4361 4362 @Override 4363 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4364 mContext.enforceCallingOrSelfPermission( 4365 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4366 "addOnPermissionsChangeListener"); 4367 4368 synchronized (mPackages) { 4369 mOnPermissionChangeListeners.addListenerLocked(listener); 4370 } 4371 } 4372 4373 @Override 4374 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4375 synchronized (mPackages) { 4376 mOnPermissionChangeListeners.removeListenerLocked(listener); 4377 } 4378 } 4379 4380 @Override 4381 public boolean isProtectedBroadcast(String actionName) { 4382 synchronized (mPackages) { 4383 if (mProtectedBroadcasts.contains(actionName)) { 4384 return true; 4385 } else if (actionName != null) { 4386 // TODO: remove these terrible hacks 4387 if (actionName.startsWith("android.net.netmon.lingerExpired") 4388 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4389 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4390 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4391 return true; 4392 } 4393 } 4394 } 4395 return false; 4396 } 4397 4398 @Override 4399 public int checkSignatures(String pkg1, String pkg2) { 4400 synchronized (mPackages) { 4401 final PackageParser.Package p1 = mPackages.get(pkg1); 4402 final PackageParser.Package p2 = mPackages.get(pkg2); 4403 if (p1 == null || p1.mExtras == null 4404 || p2 == null || p2.mExtras == null) { 4405 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4406 } 4407 return compareSignatures(p1.mSignatures, p2.mSignatures); 4408 } 4409 } 4410 4411 @Override 4412 public int checkUidSignatures(int uid1, int uid2) { 4413 // Map to base uids. 4414 uid1 = UserHandle.getAppId(uid1); 4415 uid2 = UserHandle.getAppId(uid2); 4416 // reader 4417 synchronized (mPackages) { 4418 Signature[] s1; 4419 Signature[] s2; 4420 Object obj = mSettings.getUserIdLPr(uid1); 4421 if (obj != null) { 4422 if (obj instanceof SharedUserSetting) { 4423 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4424 } else if (obj instanceof PackageSetting) { 4425 s1 = ((PackageSetting)obj).signatures.mSignatures; 4426 } else { 4427 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4428 } 4429 } else { 4430 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4431 } 4432 obj = mSettings.getUserIdLPr(uid2); 4433 if (obj != null) { 4434 if (obj instanceof SharedUserSetting) { 4435 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4436 } else if (obj instanceof PackageSetting) { 4437 s2 = ((PackageSetting)obj).signatures.mSignatures; 4438 } else { 4439 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4440 } 4441 } else { 4442 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4443 } 4444 return compareSignatures(s1, s2); 4445 } 4446 } 4447 4448 /** 4449 * This method should typically only be used when granting or revoking 4450 * permissions, since the app may immediately restart after this call. 4451 * <p> 4452 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4453 * guard your work against the app being relaunched. 4454 */ 4455 private void killUid(int appId, int userId, String reason) { 4456 final long identity = Binder.clearCallingIdentity(); 4457 try { 4458 IActivityManager am = ActivityManagerNative.getDefault(); 4459 if (am != null) { 4460 try { 4461 am.killUid(appId, userId, reason); 4462 } catch (RemoteException e) { 4463 /* ignore - same process */ 4464 } 4465 } 4466 } finally { 4467 Binder.restoreCallingIdentity(identity); 4468 } 4469 } 4470 4471 /** 4472 * Compares two sets of signatures. Returns: 4473 * <br /> 4474 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4475 * <br /> 4476 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4477 * <br /> 4478 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4479 * <br /> 4480 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4481 * <br /> 4482 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4483 */ 4484 static int compareSignatures(Signature[] s1, Signature[] s2) { 4485 if (s1 == null) { 4486 return s2 == null 4487 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4488 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4489 } 4490 4491 if (s2 == null) { 4492 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4493 } 4494 4495 if (s1.length != s2.length) { 4496 return PackageManager.SIGNATURE_NO_MATCH; 4497 } 4498 4499 // Since both signature sets are of size 1, we can compare without HashSets. 4500 if (s1.length == 1) { 4501 return s1[0].equals(s2[0]) ? 4502 PackageManager.SIGNATURE_MATCH : 4503 PackageManager.SIGNATURE_NO_MATCH; 4504 } 4505 4506 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4507 for (Signature sig : s1) { 4508 set1.add(sig); 4509 } 4510 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4511 for (Signature sig : s2) { 4512 set2.add(sig); 4513 } 4514 // Make sure s2 contains all signatures in s1. 4515 if (set1.equals(set2)) { 4516 return PackageManager.SIGNATURE_MATCH; 4517 } 4518 return PackageManager.SIGNATURE_NO_MATCH; 4519 } 4520 4521 /** 4522 * If the database version for this type of package (internal storage or 4523 * external storage) is less than the version where package signatures 4524 * were updated, return true. 4525 */ 4526 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4527 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4528 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4529 } 4530 4531 /** 4532 * Used for backward compatibility to make sure any packages with 4533 * certificate chains get upgraded to the new style. {@code existingSigs} 4534 * will be in the old format (since they were stored on disk from before the 4535 * system upgrade) and {@code scannedSigs} will be in the newer format. 4536 */ 4537 private int compareSignaturesCompat(PackageSignatures existingSigs, 4538 PackageParser.Package scannedPkg) { 4539 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4540 return PackageManager.SIGNATURE_NO_MATCH; 4541 } 4542 4543 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4544 for (Signature sig : existingSigs.mSignatures) { 4545 existingSet.add(sig); 4546 } 4547 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4548 for (Signature sig : scannedPkg.mSignatures) { 4549 try { 4550 Signature[] chainSignatures = sig.getChainSignatures(); 4551 for (Signature chainSig : chainSignatures) { 4552 scannedCompatSet.add(chainSig); 4553 } 4554 } catch (CertificateEncodingException e) { 4555 scannedCompatSet.add(sig); 4556 } 4557 } 4558 /* 4559 * Make sure the expanded scanned set contains all signatures in the 4560 * existing one. 4561 */ 4562 if (scannedCompatSet.equals(existingSet)) { 4563 // Migrate the old signatures to the new scheme. 4564 existingSigs.assignSignatures(scannedPkg.mSignatures); 4565 // The new KeySets will be re-added later in the scanning process. 4566 synchronized (mPackages) { 4567 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4568 } 4569 return PackageManager.SIGNATURE_MATCH; 4570 } 4571 return PackageManager.SIGNATURE_NO_MATCH; 4572 } 4573 4574 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4575 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4576 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4577 } 4578 4579 private int compareSignaturesRecover(PackageSignatures existingSigs, 4580 PackageParser.Package scannedPkg) { 4581 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4582 return PackageManager.SIGNATURE_NO_MATCH; 4583 } 4584 4585 String msg = null; 4586 try { 4587 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4588 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4589 + scannedPkg.packageName); 4590 return PackageManager.SIGNATURE_MATCH; 4591 } 4592 } catch (CertificateException e) { 4593 msg = e.getMessage(); 4594 } 4595 4596 logCriticalInfo(Log.INFO, 4597 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4598 return PackageManager.SIGNATURE_NO_MATCH; 4599 } 4600 4601 @Override 4602 public List<String> getAllPackages() { 4603 synchronized (mPackages) { 4604 return new ArrayList<String>(mPackages.keySet()); 4605 } 4606 } 4607 4608 @Override 4609 public String[] getPackagesForUid(int uid) { 4610 uid = UserHandle.getAppId(uid); 4611 // reader 4612 synchronized (mPackages) { 4613 Object obj = mSettings.getUserIdLPr(uid); 4614 if (obj instanceof SharedUserSetting) { 4615 final SharedUserSetting sus = (SharedUserSetting) obj; 4616 final int N = sus.packages.size(); 4617 final String[] res = new String[N]; 4618 for (int i = 0; i < N; i++) { 4619 res[i] = sus.packages.valueAt(i).name; 4620 } 4621 return res; 4622 } else if (obj instanceof PackageSetting) { 4623 final PackageSetting ps = (PackageSetting) obj; 4624 return new String[] { ps.name }; 4625 } 4626 } 4627 return null; 4628 } 4629 4630 @Override 4631 public String getNameForUid(int uid) { 4632 // reader 4633 synchronized (mPackages) { 4634 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4635 if (obj instanceof SharedUserSetting) { 4636 final SharedUserSetting sus = (SharedUserSetting) obj; 4637 return sus.name + ":" + sus.userId; 4638 } else if (obj instanceof PackageSetting) { 4639 final PackageSetting ps = (PackageSetting) obj; 4640 return ps.name; 4641 } 4642 } 4643 return null; 4644 } 4645 4646 @Override 4647 public int getUidForSharedUser(String sharedUserName) { 4648 if(sharedUserName == null) { 4649 return -1; 4650 } 4651 // reader 4652 synchronized (mPackages) { 4653 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4654 if (suid == null) { 4655 return -1; 4656 } 4657 return suid.userId; 4658 } 4659 } 4660 4661 @Override 4662 public int getFlagsForUid(int uid) { 4663 synchronized (mPackages) { 4664 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4665 if (obj instanceof SharedUserSetting) { 4666 final SharedUserSetting sus = (SharedUserSetting) obj; 4667 return sus.pkgFlags; 4668 } else if (obj instanceof PackageSetting) { 4669 final PackageSetting ps = (PackageSetting) obj; 4670 return ps.pkgFlags; 4671 } 4672 } 4673 return 0; 4674 } 4675 4676 @Override 4677 public int getPrivateFlagsForUid(int uid) { 4678 synchronized (mPackages) { 4679 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4680 if (obj instanceof SharedUserSetting) { 4681 final SharedUserSetting sus = (SharedUserSetting) obj; 4682 return sus.pkgPrivateFlags; 4683 } else if (obj instanceof PackageSetting) { 4684 final PackageSetting ps = (PackageSetting) obj; 4685 return ps.pkgPrivateFlags; 4686 } 4687 } 4688 return 0; 4689 } 4690 4691 @Override 4692 public boolean isUidPrivileged(int uid) { 4693 uid = UserHandle.getAppId(uid); 4694 // reader 4695 synchronized (mPackages) { 4696 Object obj = mSettings.getUserIdLPr(uid); 4697 if (obj instanceof SharedUserSetting) { 4698 final SharedUserSetting sus = (SharedUserSetting) obj; 4699 final Iterator<PackageSetting> it = sus.packages.iterator(); 4700 while (it.hasNext()) { 4701 if (it.next().isPrivileged()) { 4702 return true; 4703 } 4704 } 4705 } else if (obj instanceof PackageSetting) { 4706 final PackageSetting ps = (PackageSetting) obj; 4707 return ps.isPrivileged(); 4708 } 4709 } 4710 return false; 4711 } 4712 4713 @Override 4714 public String[] getAppOpPermissionPackages(String permissionName) { 4715 synchronized (mPackages) { 4716 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4717 if (pkgs == null) { 4718 return null; 4719 } 4720 return pkgs.toArray(new String[pkgs.size()]); 4721 } 4722 } 4723 4724 @Override 4725 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4726 int flags, int userId) { 4727 try { 4728 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4729 4730 if (!sUserManager.exists(userId)) return null; 4731 flags = updateFlagsForResolve(flags, userId, intent); 4732 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4733 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4734 4735 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4736 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4737 flags, userId); 4738 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4739 4740 final ResolveInfo bestChoice = 4741 chooseBestActivity(intent, resolvedType, flags, query, userId); 4742 4743 if (isEphemeralAllowed(intent, query, userId)) { 4744 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4745 final EphemeralResolveInfo ai = 4746 getEphemeralResolveInfo(intent, resolvedType, userId); 4747 if (ai != null) { 4748 if (DEBUG_EPHEMERAL) { 4749 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4750 } 4751 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4752 bestChoice.ephemeralResolveInfo = ai; 4753 } 4754 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4755 } 4756 return bestChoice; 4757 } finally { 4758 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4759 } 4760 } 4761 4762 @Override 4763 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4764 IntentFilter filter, int match, ComponentName activity) { 4765 final int userId = UserHandle.getCallingUserId(); 4766 if (DEBUG_PREFERRED) { 4767 Log.v(TAG, "setLastChosenActivity intent=" + intent 4768 + " resolvedType=" + resolvedType 4769 + " flags=" + flags 4770 + " filter=" + filter 4771 + " match=" + match 4772 + " activity=" + activity); 4773 filter.dump(new PrintStreamPrinter(System.out), " "); 4774 } 4775 intent.setComponent(null); 4776 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4777 userId); 4778 // Find any earlier preferred or last chosen entries and nuke them 4779 findPreferredActivity(intent, resolvedType, 4780 flags, query, 0, false, true, false, userId); 4781 // Add the new activity as the last chosen for this filter 4782 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4783 "Setting last chosen"); 4784 } 4785 4786 @Override 4787 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4788 final int userId = UserHandle.getCallingUserId(); 4789 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4790 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4791 userId); 4792 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4793 false, false, false, userId); 4794 } 4795 4796 4797 private boolean isEphemeralAllowed( 4798 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4799 // Short circuit and return early if possible. 4800 if (DISABLE_EPHEMERAL_APPS) { 4801 return false; 4802 } 4803 final int callingUser = UserHandle.getCallingUserId(); 4804 if (callingUser != UserHandle.USER_SYSTEM) { 4805 return false; 4806 } 4807 if (mEphemeralResolverConnection == null) { 4808 return false; 4809 } 4810 if (intent.getComponent() != null) { 4811 return false; 4812 } 4813 if (intent.getPackage() != null) { 4814 return false; 4815 } 4816 final boolean isWebUri = hasWebURI(intent); 4817 if (!isWebUri) { 4818 return false; 4819 } 4820 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4821 synchronized (mPackages) { 4822 final int count = resolvedActivites.size(); 4823 for (int n = 0; n < count; n++) { 4824 ResolveInfo info = resolvedActivites.get(n); 4825 String packageName = info.activityInfo.packageName; 4826 PackageSetting ps = mSettings.mPackages.get(packageName); 4827 if (ps != null) { 4828 // Try to get the status from User settings first 4829 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4830 int status = (int) (packedStatus >> 32); 4831 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4832 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4833 if (DEBUG_EPHEMERAL) { 4834 Slog.v(TAG, "DENY ephemeral apps;" 4835 + " pkg: " + packageName + ", status: " + status); 4836 } 4837 return false; 4838 } 4839 } 4840 } 4841 } 4842 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4843 return true; 4844 } 4845 4846 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4847 int userId) { 4848 final int ephemeralPrefixMask = Global.getInt(mContext.getContentResolver(), 4849 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4850 final int ephemeralPrefixCount = Global.getInt(mContext.getContentResolver(), 4851 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4852 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4853 ephemeralPrefixCount); 4854 final int[] shaPrefix = digest.getDigestPrefix(); 4855 final byte[][] digestBytes = digest.getDigestBytes(); 4856 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4857 mEphemeralResolverConnection.getEphemeralResolveInfoList( 4858 shaPrefix, ephemeralPrefixMask); 4859 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4860 // No hash prefix match; there are no ephemeral apps for this domain. 4861 return null; 4862 } 4863 4864 // Go in reverse order so we match the narrowest scope first. 4865 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4866 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4867 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4868 continue; 4869 } 4870 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4871 // No filters; this should never happen. 4872 if (filters.isEmpty()) { 4873 continue; 4874 } 4875 // We have a domain match; resolve the filters to see if anything matches. 4876 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4877 for (int j = filters.size() - 1; j >= 0; --j) { 4878 final EphemeralResolveIntentInfo intentInfo = 4879 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4880 ephemeralResolver.addFilter(intentInfo); 4881 } 4882 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4883 intent, resolvedType, false /*defaultOnly*/, userId); 4884 if (!matchedResolveInfoList.isEmpty()) { 4885 return matchedResolveInfoList.get(0); 4886 } 4887 } 4888 } 4889 // Hash or filter mis-match; no ephemeral apps for this domain. 4890 return null; 4891 } 4892 4893 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4894 int flags, List<ResolveInfo> query, int userId) { 4895 if (query != null) { 4896 final int N = query.size(); 4897 if (N == 1) { 4898 return query.get(0); 4899 } else if (N > 1) { 4900 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4901 // If there is more than one activity with the same priority, 4902 // then let the user decide between them. 4903 ResolveInfo r0 = query.get(0); 4904 ResolveInfo r1 = query.get(1); 4905 if (DEBUG_INTENT_MATCHING || debug) { 4906 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4907 + r1.activityInfo.name + "=" + r1.priority); 4908 } 4909 // If the first activity has a higher priority, or a different 4910 // default, then it is always desirable to pick it. 4911 if (r0.priority != r1.priority 4912 || r0.preferredOrder != r1.preferredOrder 4913 || r0.isDefault != r1.isDefault) { 4914 return query.get(0); 4915 } 4916 // If we have saved a preference for a preferred activity for 4917 // this Intent, use that. 4918 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4919 flags, query, r0.priority, true, false, debug, userId); 4920 if (ri != null) { 4921 return ri; 4922 } 4923 ri = new ResolveInfo(mResolveInfo); 4924 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4925 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4926 // If all of the options come from the same package, show the application's 4927 // label and icon instead of the generic resolver's. 4928 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 4929 // and then throw away the ResolveInfo itself, meaning that the caller loses 4930 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 4931 // a fallback for this case; we only set the target package's resources on 4932 // the ResolveInfo, not the ActivityInfo. 4933 final String intentPackage = intent.getPackage(); 4934 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 4935 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 4936 ri.resolvePackageName = intentPackage; 4937 if (userNeedsBadging(userId)) { 4938 ri.noResourceId = true; 4939 } else { 4940 ri.icon = appi.icon; 4941 } 4942 ri.iconResourceId = appi.icon; 4943 ri.labelRes = appi.labelRes; 4944 } 4945 ri.activityInfo.applicationInfo = new ApplicationInfo( 4946 ri.activityInfo.applicationInfo); 4947 if (userId != 0) { 4948 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4949 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4950 } 4951 // Make sure that the resolver is displayable in car mode 4952 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4953 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4954 return ri; 4955 } 4956 } 4957 return null; 4958 } 4959 4960 /** 4961 * Return true if the given list is not empty and all of its contents have 4962 * an activityInfo with the given package name. 4963 */ 4964 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 4965 if (ArrayUtils.isEmpty(list)) { 4966 return false; 4967 } 4968 for (int i = 0, N = list.size(); i < N; i++) { 4969 final ResolveInfo ri = list.get(i); 4970 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 4971 if (ai == null || !packageName.equals(ai.packageName)) { 4972 return false; 4973 } 4974 } 4975 return true; 4976 } 4977 4978 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4979 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4980 final int N = query.size(); 4981 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4982 .get(userId); 4983 // Get the list of persistent preferred activities that handle the intent 4984 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4985 List<PersistentPreferredActivity> pprefs = ppir != null 4986 ? ppir.queryIntent(intent, resolvedType, 4987 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4988 : null; 4989 if (pprefs != null && pprefs.size() > 0) { 4990 final int M = pprefs.size(); 4991 for (int i=0; i<M; i++) { 4992 final PersistentPreferredActivity ppa = pprefs.get(i); 4993 if (DEBUG_PREFERRED || debug) { 4994 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4995 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4996 + "\n component=" + ppa.mComponent); 4997 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4998 } 4999 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5000 flags | MATCH_DISABLED_COMPONENTS, userId); 5001 if (DEBUG_PREFERRED || debug) { 5002 Slog.v(TAG, "Found persistent preferred activity:"); 5003 if (ai != null) { 5004 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5005 } else { 5006 Slog.v(TAG, " null"); 5007 } 5008 } 5009 if (ai == null) { 5010 // This previously registered persistent preferred activity 5011 // component is no longer known. Ignore it and do NOT remove it. 5012 continue; 5013 } 5014 for (int j=0; j<N; j++) { 5015 final ResolveInfo ri = query.get(j); 5016 if (!ri.activityInfo.applicationInfo.packageName 5017 .equals(ai.applicationInfo.packageName)) { 5018 continue; 5019 } 5020 if (!ri.activityInfo.name.equals(ai.name)) { 5021 continue; 5022 } 5023 // Found a persistent preference that can handle the intent. 5024 if (DEBUG_PREFERRED || debug) { 5025 Slog.v(TAG, "Returning persistent preferred activity: " + 5026 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5027 } 5028 return ri; 5029 } 5030 } 5031 } 5032 return null; 5033 } 5034 5035 // TODO: handle preferred activities missing while user has amnesia 5036 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5037 List<ResolveInfo> query, int priority, boolean always, 5038 boolean removeMatches, boolean debug, int userId) { 5039 if (!sUserManager.exists(userId)) return null; 5040 flags = updateFlagsForResolve(flags, userId, intent); 5041 // writer 5042 synchronized (mPackages) { 5043 if (intent.getSelector() != null) { 5044 intent = intent.getSelector(); 5045 } 5046 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5047 5048 // Try to find a matching persistent preferred activity. 5049 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5050 debug, userId); 5051 5052 // If a persistent preferred activity matched, use it. 5053 if (pri != null) { 5054 return pri; 5055 } 5056 5057 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5058 // Get the list of preferred activities that handle the intent 5059 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5060 List<PreferredActivity> prefs = pir != null 5061 ? pir.queryIntent(intent, resolvedType, 5062 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5063 : null; 5064 if (prefs != null && prefs.size() > 0) { 5065 boolean changed = false; 5066 try { 5067 // First figure out how good the original match set is. 5068 // We will only allow preferred activities that came 5069 // from the same match quality. 5070 int match = 0; 5071 5072 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5073 5074 final int N = query.size(); 5075 for (int j=0; j<N; j++) { 5076 final ResolveInfo ri = query.get(j); 5077 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5078 + ": 0x" + Integer.toHexString(match)); 5079 if (ri.match > match) { 5080 match = ri.match; 5081 } 5082 } 5083 5084 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5085 + Integer.toHexString(match)); 5086 5087 match &= IntentFilter.MATCH_CATEGORY_MASK; 5088 final int M = prefs.size(); 5089 for (int i=0; i<M; i++) { 5090 final PreferredActivity pa = prefs.get(i); 5091 if (DEBUG_PREFERRED || debug) { 5092 Slog.v(TAG, "Checking PreferredActivity ds=" 5093 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5094 + "\n component=" + pa.mPref.mComponent); 5095 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5096 } 5097 if (pa.mPref.mMatch != match) { 5098 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5099 + Integer.toHexString(pa.mPref.mMatch)); 5100 continue; 5101 } 5102 // If it's not an "always" type preferred activity and that's what we're 5103 // looking for, skip it. 5104 if (always && !pa.mPref.mAlways) { 5105 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5106 continue; 5107 } 5108 final ActivityInfo ai = getActivityInfo( 5109 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5110 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5111 userId); 5112 if (DEBUG_PREFERRED || debug) { 5113 Slog.v(TAG, "Found preferred activity:"); 5114 if (ai != null) { 5115 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5116 } else { 5117 Slog.v(TAG, " null"); 5118 } 5119 } 5120 if (ai == null) { 5121 // This previously registered preferred activity 5122 // component is no longer known. Most likely an update 5123 // to the app was installed and in the new version this 5124 // component no longer exists. Clean it up by removing 5125 // it from the preferred activities list, and skip it. 5126 Slog.w(TAG, "Removing dangling preferred activity: " 5127 + pa.mPref.mComponent); 5128 pir.removeFilter(pa); 5129 changed = true; 5130 continue; 5131 } 5132 for (int j=0; j<N; j++) { 5133 final ResolveInfo ri = query.get(j); 5134 if (!ri.activityInfo.applicationInfo.packageName 5135 .equals(ai.applicationInfo.packageName)) { 5136 continue; 5137 } 5138 if (!ri.activityInfo.name.equals(ai.name)) { 5139 continue; 5140 } 5141 5142 if (removeMatches) { 5143 pir.removeFilter(pa); 5144 changed = true; 5145 if (DEBUG_PREFERRED) { 5146 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5147 } 5148 break; 5149 } 5150 5151 // Okay we found a previously set preferred or last chosen app. 5152 // If the result set is different from when this 5153 // was created, we need to clear it and re-ask the 5154 // user their preference, if we're looking for an "always" type entry. 5155 if (always && !pa.mPref.sameSet(query)) { 5156 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5157 + intent + " type " + resolvedType); 5158 if (DEBUG_PREFERRED) { 5159 Slog.v(TAG, "Removing preferred activity since set changed " 5160 + pa.mPref.mComponent); 5161 } 5162 pir.removeFilter(pa); 5163 // Re-add the filter as a "last chosen" entry (!always) 5164 PreferredActivity lastChosen = new PreferredActivity( 5165 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5166 pir.addFilter(lastChosen); 5167 changed = true; 5168 return null; 5169 } 5170 5171 // Yay! Either the set matched or we're looking for the last chosen 5172 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5173 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5174 return ri; 5175 } 5176 } 5177 } finally { 5178 if (changed) { 5179 if (DEBUG_PREFERRED) { 5180 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5181 } 5182 scheduleWritePackageRestrictionsLocked(userId); 5183 } 5184 } 5185 } 5186 } 5187 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5188 return null; 5189 } 5190 5191 /* 5192 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5193 */ 5194 @Override 5195 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5196 int targetUserId) { 5197 mContext.enforceCallingOrSelfPermission( 5198 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5199 List<CrossProfileIntentFilter> matches = 5200 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5201 if (matches != null) { 5202 int size = matches.size(); 5203 for (int i = 0; i < size; i++) { 5204 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5205 } 5206 } 5207 if (hasWebURI(intent)) { 5208 // cross-profile app linking works only towards the parent. 5209 final UserInfo parent = getProfileParent(sourceUserId); 5210 synchronized(mPackages) { 5211 int flags = updateFlagsForResolve(0, parent.id, intent); 5212 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5213 intent, resolvedType, flags, sourceUserId, parent.id); 5214 return xpDomainInfo != null; 5215 } 5216 } 5217 return false; 5218 } 5219 5220 private UserInfo getProfileParent(int userId) { 5221 final long identity = Binder.clearCallingIdentity(); 5222 try { 5223 return sUserManager.getProfileParent(userId); 5224 } finally { 5225 Binder.restoreCallingIdentity(identity); 5226 } 5227 } 5228 5229 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5230 String resolvedType, int userId) { 5231 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5232 if (resolver != null) { 5233 return resolver.queryIntent(intent, resolvedType, false, userId); 5234 } 5235 return null; 5236 } 5237 5238 @Override 5239 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5240 String resolvedType, int flags, int userId) { 5241 try { 5242 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5243 5244 return new ParceledListSlice<>( 5245 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5246 } finally { 5247 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5248 } 5249 } 5250 5251 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5252 String resolvedType, int flags, int userId) { 5253 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5254 flags = updateFlagsForResolve(flags, userId, intent); 5255 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5256 false /* requireFullPermission */, false /* checkShell */, 5257 "query intent activities"); 5258 ComponentName comp = intent.getComponent(); 5259 if (comp == null) { 5260 if (intent.getSelector() != null) { 5261 intent = intent.getSelector(); 5262 comp = intent.getComponent(); 5263 } 5264 } 5265 5266 if (comp != null) { 5267 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5268 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5269 if (ai != null) { 5270 final ResolveInfo ri = new ResolveInfo(); 5271 ri.activityInfo = ai; 5272 list.add(ri); 5273 } 5274 return list; 5275 } 5276 5277 // reader 5278 synchronized (mPackages) { 5279 final String pkgName = intent.getPackage(); 5280 if (pkgName == null) { 5281 List<CrossProfileIntentFilter> matchingFilters = 5282 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5283 // Check for results that need to skip the current profile. 5284 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5285 resolvedType, flags, userId); 5286 if (xpResolveInfo != null) { 5287 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5288 result.add(xpResolveInfo); 5289 return filterIfNotSystemUser(result, userId); 5290 } 5291 5292 // Check for results in the current profile. 5293 List<ResolveInfo> result = mActivities.queryIntent( 5294 intent, resolvedType, flags, userId); 5295 result = filterIfNotSystemUser(result, userId); 5296 5297 // Check for cross profile results. 5298 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5299 xpResolveInfo = queryCrossProfileIntents( 5300 matchingFilters, intent, resolvedType, flags, userId, 5301 hasNonNegativePriorityResult); 5302 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5303 boolean isVisibleToUser = filterIfNotSystemUser( 5304 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5305 if (isVisibleToUser) { 5306 result.add(xpResolveInfo); 5307 Collections.sort(result, mResolvePrioritySorter); 5308 } 5309 } 5310 if (hasWebURI(intent)) { 5311 CrossProfileDomainInfo xpDomainInfo = null; 5312 final UserInfo parent = getProfileParent(userId); 5313 if (parent != null) { 5314 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5315 flags, userId, parent.id); 5316 } 5317 if (xpDomainInfo != null) { 5318 if (xpResolveInfo != null) { 5319 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5320 // in the result. 5321 result.remove(xpResolveInfo); 5322 } 5323 if (result.size() == 0) { 5324 result.add(xpDomainInfo.resolveInfo); 5325 return result; 5326 } 5327 } else if (result.size() <= 1) { 5328 return result; 5329 } 5330 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5331 xpDomainInfo, userId); 5332 Collections.sort(result, mResolvePrioritySorter); 5333 } 5334 return result; 5335 } 5336 final PackageParser.Package pkg = mPackages.get(pkgName); 5337 if (pkg != null) { 5338 return filterIfNotSystemUser( 5339 mActivities.queryIntentForPackage( 5340 intent, resolvedType, flags, pkg.activities, userId), 5341 userId); 5342 } 5343 return new ArrayList<ResolveInfo>(); 5344 } 5345 } 5346 5347 private static class CrossProfileDomainInfo { 5348 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5349 ResolveInfo resolveInfo; 5350 /* Best domain verification status of the activities found in the other profile */ 5351 int bestDomainVerificationStatus; 5352 } 5353 5354 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5355 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5356 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5357 sourceUserId)) { 5358 return null; 5359 } 5360 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5361 resolvedType, flags, parentUserId); 5362 5363 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5364 return null; 5365 } 5366 CrossProfileDomainInfo result = null; 5367 int size = resultTargetUser.size(); 5368 for (int i = 0; i < size; i++) { 5369 ResolveInfo riTargetUser = resultTargetUser.get(i); 5370 // Intent filter verification is only for filters that specify a host. So don't return 5371 // those that handle all web uris. 5372 if (riTargetUser.handleAllWebDataURI) { 5373 continue; 5374 } 5375 String packageName = riTargetUser.activityInfo.packageName; 5376 PackageSetting ps = mSettings.mPackages.get(packageName); 5377 if (ps == null) { 5378 continue; 5379 } 5380 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5381 int status = (int)(verificationState >> 32); 5382 if (result == null) { 5383 result = new CrossProfileDomainInfo(); 5384 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5385 sourceUserId, parentUserId); 5386 result.bestDomainVerificationStatus = status; 5387 } else { 5388 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5389 result.bestDomainVerificationStatus); 5390 } 5391 } 5392 // Don't consider matches with status NEVER across profiles. 5393 if (result != null && result.bestDomainVerificationStatus 5394 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5395 return null; 5396 } 5397 return result; 5398 } 5399 5400 /** 5401 * Verification statuses are ordered from the worse to the best, except for 5402 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5403 */ 5404 private int bestDomainVerificationStatus(int status1, int status2) { 5405 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5406 return status2; 5407 } 5408 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5409 return status1; 5410 } 5411 return (int) MathUtils.max(status1, status2); 5412 } 5413 5414 private boolean isUserEnabled(int userId) { 5415 long callingId = Binder.clearCallingIdentity(); 5416 try { 5417 UserInfo userInfo = sUserManager.getUserInfo(userId); 5418 return userInfo != null && userInfo.isEnabled(); 5419 } finally { 5420 Binder.restoreCallingIdentity(callingId); 5421 } 5422 } 5423 5424 /** 5425 * Filter out activities with systemUserOnly flag set, when current user is not System. 5426 * 5427 * @return filtered list 5428 */ 5429 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5430 if (userId == UserHandle.USER_SYSTEM) { 5431 return resolveInfos; 5432 } 5433 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5434 ResolveInfo info = resolveInfos.get(i); 5435 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5436 resolveInfos.remove(i); 5437 } 5438 } 5439 return resolveInfos; 5440 } 5441 5442 /** 5443 * @param resolveInfos list of resolve infos in descending priority order 5444 * @return if the list contains a resolve info with non-negative priority 5445 */ 5446 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5447 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5448 } 5449 5450 private static boolean hasWebURI(Intent intent) { 5451 if (intent.getData() == null) { 5452 return false; 5453 } 5454 final String scheme = intent.getScheme(); 5455 if (TextUtils.isEmpty(scheme)) { 5456 return false; 5457 } 5458 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5459 } 5460 5461 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5462 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5463 int userId) { 5464 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5465 5466 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5467 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5468 candidates.size()); 5469 } 5470 5471 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5472 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5473 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5474 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5475 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5476 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5477 5478 synchronized (mPackages) { 5479 final int count = candidates.size(); 5480 // First, try to use linked apps. Partition the candidates into four lists: 5481 // one for the final results, one for the "do not use ever", one for "undefined status" 5482 // and finally one for "browser app type". 5483 for (int n=0; n<count; n++) { 5484 ResolveInfo info = candidates.get(n); 5485 String packageName = info.activityInfo.packageName; 5486 PackageSetting ps = mSettings.mPackages.get(packageName); 5487 if (ps != null) { 5488 // Add to the special match all list (Browser use case) 5489 if (info.handleAllWebDataURI) { 5490 matchAllList.add(info); 5491 continue; 5492 } 5493 // Try to get the status from User settings first 5494 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5495 int status = (int)(packedStatus >> 32); 5496 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5497 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5498 if (DEBUG_DOMAIN_VERIFICATION) { 5499 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5500 + " : linkgen=" + linkGeneration); 5501 } 5502 // Use link-enabled generation as preferredOrder, i.e. 5503 // prefer newly-enabled over earlier-enabled. 5504 info.preferredOrder = linkGeneration; 5505 alwaysList.add(info); 5506 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5507 if (DEBUG_DOMAIN_VERIFICATION) { 5508 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5509 } 5510 neverList.add(info); 5511 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5512 if (DEBUG_DOMAIN_VERIFICATION) { 5513 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5514 } 5515 alwaysAskList.add(info); 5516 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5517 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5518 if (DEBUG_DOMAIN_VERIFICATION) { 5519 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5520 } 5521 undefinedList.add(info); 5522 } 5523 } 5524 } 5525 5526 // We'll want to include browser possibilities in a few cases 5527 boolean includeBrowser = false; 5528 5529 // First try to add the "always" resolution(s) for the current user, if any 5530 if (alwaysList.size() > 0) { 5531 result.addAll(alwaysList); 5532 } else { 5533 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5534 result.addAll(undefinedList); 5535 // Maybe add one for the other profile. 5536 if (xpDomainInfo != null && ( 5537 xpDomainInfo.bestDomainVerificationStatus 5538 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5539 result.add(xpDomainInfo.resolveInfo); 5540 } 5541 includeBrowser = true; 5542 } 5543 5544 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5545 // If there were 'always' entries their preferred order has been set, so we also 5546 // back that off to make the alternatives equivalent 5547 if (alwaysAskList.size() > 0) { 5548 for (ResolveInfo i : result) { 5549 i.preferredOrder = 0; 5550 } 5551 result.addAll(alwaysAskList); 5552 includeBrowser = true; 5553 } 5554 5555 if (includeBrowser) { 5556 // Also add browsers (all of them or only the default one) 5557 if (DEBUG_DOMAIN_VERIFICATION) { 5558 Slog.v(TAG, " ...including browsers in candidate set"); 5559 } 5560 if ((matchFlags & MATCH_ALL) != 0) { 5561 result.addAll(matchAllList); 5562 } else { 5563 // Browser/generic handling case. If there's a default browser, go straight 5564 // to that (but only if there is no other higher-priority match). 5565 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5566 int maxMatchPrio = 0; 5567 ResolveInfo defaultBrowserMatch = null; 5568 final int numCandidates = matchAllList.size(); 5569 for (int n = 0; n < numCandidates; n++) { 5570 ResolveInfo info = matchAllList.get(n); 5571 // track the highest overall match priority... 5572 if (info.priority > maxMatchPrio) { 5573 maxMatchPrio = info.priority; 5574 } 5575 // ...and the highest-priority default browser match 5576 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5577 if (defaultBrowserMatch == null 5578 || (defaultBrowserMatch.priority < info.priority)) { 5579 if (debug) { 5580 Slog.v(TAG, "Considering default browser match " + info); 5581 } 5582 defaultBrowserMatch = info; 5583 } 5584 } 5585 } 5586 if (defaultBrowserMatch != null 5587 && defaultBrowserMatch.priority >= maxMatchPrio 5588 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5589 { 5590 if (debug) { 5591 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5592 } 5593 result.add(defaultBrowserMatch); 5594 } else { 5595 result.addAll(matchAllList); 5596 } 5597 } 5598 5599 // If there is nothing selected, add all candidates and remove the ones that the user 5600 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5601 if (result.size() == 0) { 5602 result.addAll(candidates); 5603 result.removeAll(neverList); 5604 } 5605 } 5606 } 5607 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5608 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5609 result.size()); 5610 for (ResolveInfo info : result) { 5611 Slog.v(TAG, " + " + info.activityInfo); 5612 } 5613 } 5614 return result; 5615 } 5616 5617 // Returns a packed value as a long: 5618 // 5619 // high 'int'-sized word: link status: undefined/ask/never/always. 5620 // low 'int'-sized word: relative priority among 'always' results. 5621 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5622 long result = ps.getDomainVerificationStatusForUser(userId); 5623 // if none available, get the master status 5624 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5625 if (ps.getIntentFilterVerificationInfo() != null) { 5626 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5627 } 5628 } 5629 return result; 5630 } 5631 5632 private ResolveInfo querySkipCurrentProfileIntents( 5633 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5634 int flags, int sourceUserId) { 5635 if (matchingFilters != null) { 5636 int size = matchingFilters.size(); 5637 for (int i = 0; i < size; i ++) { 5638 CrossProfileIntentFilter filter = matchingFilters.get(i); 5639 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5640 // Checking if there are activities in the target user that can handle the 5641 // intent. 5642 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5643 resolvedType, flags, sourceUserId); 5644 if (resolveInfo != null) { 5645 return resolveInfo; 5646 } 5647 } 5648 } 5649 } 5650 return null; 5651 } 5652 5653 // Return matching ResolveInfo in target user if any. 5654 private ResolveInfo queryCrossProfileIntents( 5655 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5656 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5657 if (matchingFilters != null) { 5658 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5659 // match the same intent. For performance reasons, it is better not to 5660 // run queryIntent twice for the same userId 5661 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5662 int size = matchingFilters.size(); 5663 for (int i = 0; i < size; i++) { 5664 CrossProfileIntentFilter filter = matchingFilters.get(i); 5665 int targetUserId = filter.getTargetUserId(); 5666 boolean skipCurrentProfile = 5667 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5668 boolean skipCurrentProfileIfNoMatchFound = 5669 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5670 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5671 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5672 // Checking if there are activities in the target user that can handle the 5673 // intent. 5674 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5675 resolvedType, flags, sourceUserId); 5676 if (resolveInfo != null) return resolveInfo; 5677 alreadyTriedUserIds.put(targetUserId, true); 5678 } 5679 } 5680 } 5681 return null; 5682 } 5683 5684 /** 5685 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5686 * will forward the intent to the filter's target user. 5687 * Otherwise, returns null. 5688 */ 5689 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5690 String resolvedType, int flags, int sourceUserId) { 5691 int targetUserId = filter.getTargetUserId(); 5692 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5693 resolvedType, flags, targetUserId); 5694 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5695 // If all the matches in the target profile are suspended, return null. 5696 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5697 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5698 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5699 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5700 targetUserId); 5701 } 5702 } 5703 } 5704 return null; 5705 } 5706 5707 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5708 int sourceUserId, int targetUserId) { 5709 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5710 long ident = Binder.clearCallingIdentity(); 5711 boolean targetIsProfile; 5712 try { 5713 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5714 } finally { 5715 Binder.restoreCallingIdentity(ident); 5716 } 5717 String className; 5718 if (targetIsProfile) { 5719 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5720 } else { 5721 className = FORWARD_INTENT_TO_PARENT; 5722 } 5723 ComponentName forwardingActivityComponentName = new ComponentName( 5724 mAndroidApplication.packageName, className); 5725 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5726 sourceUserId); 5727 if (!targetIsProfile) { 5728 forwardingActivityInfo.showUserIcon = targetUserId; 5729 forwardingResolveInfo.noResourceId = true; 5730 } 5731 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5732 forwardingResolveInfo.priority = 0; 5733 forwardingResolveInfo.preferredOrder = 0; 5734 forwardingResolveInfo.match = 0; 5735 forwardingResolveInfo.isDefault = true; 5736 forwardingResolveInfo.filter = filter; 5737 forwardingResolveInfo.targetUserId = targetUserId; 5738 return forwardingResolveInfo; 5739 } 5740 5741 @Override 5742 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5743 Intent[] specifics, String[] specificTypes, Intent intent, 5744 String resolvedType, int flags, int userId) { 5745 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5746 specificTypes, intent, resolvedType, flags, userId)); 5747 } 5748 5749 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5750 Intent[] specifics, String[] specificTypes, Intent intent, 5751 String resolvedType, int flags, int userId) { 5752 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5753 flags = updateFlagsForResolve(flags, userId, intent); 5754 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5755 false /* requireFullPermission */, false /* checkShell */, 5756 "query intent activity options"); 5757 final String resultsAction = intent.getAction(); 5758 5759 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5760 | PackageManager.GET_RESOLVED_FILTER, userId); 5761 5762 if (DEBUG_INTENT_MATCHING) { 5763 Log.v(TAG, "Query " + intent + ": " + results); 5764 } 5765 5766 int specificsPos = 0; 5767 int N; 5768 5769 // todo: note that the algorithm used here is O(N^2). This 5770 // isn't a problem in our current environment, but if we start running 5771 // into situations where we have more than 5 or 10 matches then this 5772 // should probably be changed to something smarter... 5773 5774 // First we go through and resolve each of the specific items 5775 // that were supplied, taking care of removing any corresponding 5776 // duplicate items in the generic resolve list. 5777 if (specifics != null) { 5778 for (int i=0; i<specifics.length; i++) { 5779 final Intent sintent = specifics[i]; 5780 if (sintent == null) { 5781 continue; 5782 } 5783 5784 if (DEBUG_INTENT_MATCHING) { 5785 Log.v(TAG, "Specific #" + i + ": " + sintent); 5786 } 5787 5788 String action = sintent.getAction(); 5789 if (resultsAction != null && resultsAction.equals(action)) { 5790 // If this action was explicitly requested, then don't 5791 // remove things that have it. 5792 action = null; 5793 } 5794 5795 ResolveInfo ri = null; 5796 ActivityInfo ai = null; 5797 5798 ComponentName comp = sintent.getComponent(); 5799 if (comp == null) { 5800 ri = resolveIntent( 5801 sintent, 5802 specificTypes != null ? specificTypes[i] : null, 5803 flags, userId); 5804 if (ri == null) { 5805 continue; 5806 } 5807 if (ri == mResolveInfo) { 5808 // ACK! Must do something better with this. 5809 } 5810 ai = ri.activityInfo; 5811 comp = new ComponentName(ai.applicationInfo.packageName, 5812 ai.name); 5813 } else { 5814 ai = getActivityInfo(comp, flags, userId); 5815 if (ai == null) { 5816 continue; 5817 } 5818 } 5819 5820 // Look for any generic query activities that are duplicates 5821 // of this specific one, and remove them from the results. 5822 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5823 N = results.size(); 5824 int j; 5825 for (j=specificsPos; j<N; j++) { 5826 ResolveInfo sri = results.get(j); 5827 if ((sri.activityInfo.name.equals(comp.getClassName()) 5828 && sri.activityInfo.applicationInfo.packageName.equals( 5829 comp.getPackageName())) 5830 || (action != null && sri.filter.matchAction(action))) { 5831 results.remove(j); 5832 if (DEBUG_INTENT_MATCHING) Log.v( 5833 TAG, "Removing duplicate item from " + j 5834 + " due to specific " + specificsPos); 5835 if (ri == null) { 5836 ri = sri; 5837 } 5838 j--; 5839 N--; 5840 } 5841 } 5842 5843 // Add this specific item to its proper place. 5844 if (ri == null) { 5845 ri = new ResolveInfo(); 5846 ri.activityInfo = ai; 5847 } 5848 results.add(specificsPos, ri); 5849 ri.specificIndex = i; 5850 specificsPos++; 5851 } 5852 } 5853 5854 // Now we go through the remaining generic results and remove any 5855 // duplicate actions that are found here. 5856 N = results.size(); 5857 for (int i=specificsPos; i<N-1; i++) { 5858 final ResolveInfo rii = results.get(i); 5859 if (rii.filter == null) { 5860 continue; 5861 } 5862 5863 // Iterate over all of the actions of this result's intent 5864 // filter... typically this should be just one. 5865 final Iterator<String> it = rii.filter.actionsIterator(); 5866 if (it == null) { 5867 continue; 5868 } 5869 while (it.hasNext()) { 5870 final String action = it.next(); 5871 if (resultsAction != null && resultsAction.equals(action)) { 5872 // If this action was explicitly requested, then don't 5873 // remove things that have it. 5874 continue; 5875 } 5876 for (int j=i+1; j<N; j++) { 5877 final ResolveInfo rij = results.get(j); 5878 if (rij.filter != null && rij.filter.hasAction(action)) { 5879 results.remove(j); 5880 if (DEBUG_INTENT_MATCHING) Log.v( 5881 TAG, "Removing duplicate item from " + j 5882 + " due to action " + action + " at " + i); 5883 j--; 5884 N--; 5885 } 5886 } 5887 } 5888 5889 // If the caller didn't request filter information, drop it now 5890 // so we don't have to marshall/unmarshall it. 5891 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5892 rii.filter = null; 5893 } 5894 } 5895 5896 // Filter out the caller activity if so requested. 5897 if (caller != null) { 5898 N = results.size(); 5899 for (int i=0; i<N; i++) { 5900 ActivityInfo ainfo = results.get(i).activityInfo; 5901 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5902 && caller.getClassName().equals(ainfo.name)) { 5903 results.remove(i); 5904 break; 5905 } 5906 } 5907 } 5908 5909 // If the caller didn't request filter information, 5910 // drop them now so we don't have to 5911 // marshall/unmarshall it. 5912 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5913 N = results.size(); 5914 for (int i=0; i<N; i++) { 5915 results.get(i).filter = null; 5916 } 5917 } 5918 5919 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5920 return results; 5921 } 5922 5923 @Override 5924 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5925 String resolvedType, int flags, int userId) { 5926 return new ParceledListSlice<>( 5927 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5928 } 5929 5930 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5931 String resolvedType, int flags, int userId) { 5932 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5933 flags = updateFlagsForResolve(flags, userId, intent); 5934 ComponentName comp = intent.getComponent(); 5935 if (comp == null) { 5936 if (intent.getSelector() != null) { 5937 intent = intent.getSelector(); 5938 comp = intent.getComponent(); 5939 } 5940 } 5941 if (comp != null) { 5942 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5943 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5944 if (ai != null) { 5945 ResolveInfo ri = new ResolveInfo(); 5946 ri.activityInfo = ai; 5947 list.add(ri); 5948 } 5949 return list; 5950 } 5951 5952 // reader 5953 synchronized (mPackages) { 5954 String pkgName = intent.getPackage(); 5955 if (pkgName == null) { 5956 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5957 } 5958 final PackageParser.Package pkg = mPackages.get(pkgName); 5959 if (pkg != null) { 5960 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5961 userId); 5962 } 5963 return Collections.emptyList(); 5964 } 5965 } 5966 5967 @Override 5968 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5969 if (!sUserManager.exists(userId)) return null; 5970 flags = updateFlagsForResolve(flags, userId, intent); 5971 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5972 if (query != null) { 5973 if (query.size() >= 1) { 5974 // If there is more than one service with the same priority, 5975 // just arbitrarily pick the first one. 5976 return query.get(0); 5977 } 5978 } 5979 return null; 5980 } 5981 5982 @Override 5983 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5984 String resolvedType, int flags, int userId) { 5985 return new ParceledListSlice<>( 5986 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5987 } 5988 5989 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5990 String resolvedType, int flags, int userId) { 5991 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5992 flags = updateFlagsForResolve(flags, userId, intent); 5993 ComponentName comp = intent.getComponent(); 5994 if (comp == null) { 5995 if (intent.getSelector() != null) { 5996 intent = intent.getSelector(); 5997 comp = intent.getComponent(); 5998 } 5999 } 6000 if (comp != null) { 6001 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6002 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6003 if (si != null) { 6004 final ResolveInfo ri = new ResolveInfo(); 6005 ri.serviceInfo = si; 6006 list.add(ri); 6007 } 6008 return list; 6009 } 6010 6011 // reader 6012 synchronized (mPackages) { 6013 String pkgName = intent.getPackage(); 6014 if (pkgName == null) { 6015 return mServices.queryIntent(intent, resolvedType, flags, userId); 6016 } 6017 final PackageParser.Package pkg = mPackages.get(pkgName); 6018 if (pkg != null) { 6019 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6020 userId); 6021 } 6022 return Collections.emptyList(); 6023 } 6024 } 6025 6026 @Override 6027 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6028 String resolvedType, int flags, int userId) { 6029 return new ParceledListSlice<>( 6030 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6031 } 6032 6033 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6034 Intent intent, String resolvedType, int flags, int userId) { 6035 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6036 flags = updateFlagsForResolve(flags, userId, intent); 6037 ComponentName comp = intent.getComponent(); 6038 if (comp == null) { 6039 if (intent.getSelector() != null) { 6040 intent = intent.getSelector(); 6041 comp = intent.getComponent(); 6042 } 6043 } 6044 if (comp != null) { 6045 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6046 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6047 if (pi != null) { 6048 final ResolveInfo ri = new ResolveInfo(); 6049 ri.providerInfo = pi; 6050 list.add(ri); 6051 } 6052 return list; 6053 } 6054 6055 // reader 6056 synchronized (mPackages) { 6057 String pkgName = intent.getPackage(); 6058 if (pkgName == null) { 6059 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6060 } 6061 final PackageParser.Package pkg = mPackages.get(pkgName); 6062 if (pkg != null) { 6063 return mProviders.queryIntentForPackage( 6064 intent, resolvedType, flags, pkg.providers, userId); 6065 } 6066 return Collections.emptyList(); 6067 } 6068 } 6069 6070 @Override 6071 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6072 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6073 flags = updateFlagsForPackage(flags, userId, null); 6074 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6075 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6076 true /* requireFullPermission */, false /* checkShell */, 6077 "get installed packages"); 6078 6079 // writer 6080 synchronized (mPackages) { 6081 ArrayList<PackageInfo> list; 6082 if (listUninstalled) { 6083 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6084 for (PackageSetting ps : mSettings.mPackages.values()) { 6085 final PackageInfo pi; 6086 if (ps.pkg != null) { 6087 pi = generatePackageInfo(ps, flags, userId); 6088 } else { 6089 pi = generatePackageInfo(ps, flags, userId); 6090 } 6091 if (pi != null) { 6092 list.add(pi); 6093 } 6094 } 6095 } else { 6096 list = new ArrayList<PackageInfo>(mPackages.size()); 6097 for (PackageParser.Package p : mPackages.values()) { 6098 final PackageInfo pi = 6099 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6100 if (pi != null) { 6101 list.add(pi); 6102 } 6103 } 6104 } 6105 6106 return new ParceledListSlice<PackageInfo>(list); 6107 } 6108 } 6109 6110 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6111 String[] permissions, boolean[] tmp, int flags, int userId) { 6112 int numMatch = 0; 6113 final PermissionsState permissionsState = ps.getPermissionsState(); 6114 for (int i=0; i<permissions.length; i++) { 6115 final String permission = permissions[i]; 6116 if (permissionsState.hasPermission(permission, userId)) { 6117 tmp[i] = true; 6118 numMatch++; 6119 } else { 6120 tmp[i] = false; 6121 } 6122 } 6123 if (numMatch == 0) { 6124 return; 6125 } 6126 final PackageInfo pi; 6127 if (ps.pkg != null) { 6128 pi = generatePackageInfo(ps, flags, userId); 6129 } else { 6130 pi = generatePackageInfo(ps, flags, userId); 6131 } 6132 // The above might return null in cases of uninstalled apps or install-state 6133 // skew across users/profiles. 6134 if (pi != null) { 6135 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6136 if (numMatch == permissions.length) { 6137 pi.requestedPermissions = permissions; 6138 } else { 6139 pi.requestedPermissions = new String[numMatch]; 6140 numMatch = 0; 6141 for (int i=0; i<permissions.length; i++) { 6142 if (tmp[i]) { 6143 pi.requestedPermissions[numMatch] = permissions[i]; 6144 numMatch++; 6145 } 6146 } 6147 } 6148 } 6149 list.add(pi); 6150 } 6151 } 6152 6153 @Override 6154 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6155 String[] permissions, int flags, int userId) { 6156 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6157 flags = updateFlagsForPackage(flags, userId, permissions); 6158 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6159 6160 // writer 6161 synchronized (mPackages) { 6162 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6163 boolean[] tmpBools = new boolean[permissions.length]; 6164 if (listUninstalled) { 6165 for (PackageSetting ps : mSettings.mPackages.values()) { 6166 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6167 } 6168 } else { 6169 for (PackageParser.Package pkg : mPackages.values()) { 6170 PackageSetting ps = (PackageSetting)pkg.mExtras; 6171 if (ps != null) { 6172 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6173 userId); 6174 } 6175 } 6176 } 6177 6178 return new ParceledListSlice<PackageInfo>(list); 6179 } 6180 } 6181 6182 @Override 6183 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6184 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6185 flags = updateFlagsForApplication(flags, userId, null); 6186 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6187 6188 // writer 6189 synchronized (mPackages) { 6190 ArrayList<ApplicationInfo> list; 6191 if (listUninstalled) { 6192 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6193 for (PackageSetting ps : mSettings.mPackages.values()) { 6194 ApplicationInfo ai; 6195 if (ps.pkg != null) { 6196 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6197 ps.readUserState(userId), userId); 6198 } else { 6199 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6200 } 6201 if (ai != null) { 6202 list.add(ai); 6203 } 6204 } 6205 } else { 6206 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6207 for (PackageParser.Package p : mPackages.values()) { 6208 if (p.mExtras != null) { 6209 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6210 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6211 if (ai != null) { 6212 list.add(ai); 6213 } 6214 } 6215 } 6216 } 6217 6218 return new ParceledListSlice<ApplicationInfo>(list); 6219 } 6220 } 6221 6222 @Override 6223 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6224 if (DISABLE_EPHEMERAL_APPS) { 6225 return null; 6226 } 6227 6228 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6229 "getEphemeralApplications"); 6230 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6231 true /* requireFullPermission */, false /* checkShell */, 6232 "getEphemeralApplications"); 6233 synchronized (mPackages) { 6234 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6235 .getEphemeralApplicationsLPw(userId); 6236 if (ephemeralApps != null) { 6237 return new ParceledListSlice<>(ephemeralApps); 6238 } 6239 } 6240 return null; 6241 } 6242 6243 @Override 6244 public boolean isEphemeralApplication(String packageName, int userId) { 6245 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6246 true /* requireFullPermission */, false /* checkShell */, 6247 "isEphemeral"); 6248 if (DISABLE_EPHEMERAL_APPS) { 6249 return false; 6250 } 6251 6252 if (!isCallerSameApp(packageName)) { 6253 return false; 6254 } 6255 synchronized (mPackages) { 6256 PackageParser.Package pkg = mPackages.get(packageName); 6257 if (pkg != null) { 6258 return pkg.applicationInfo.isEphemeralApp(); 6259 } 6260 } 6261 return false; 6262 } 6263 6264 @Override 6265 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6266 if (DISABLE_EPHEMERAL_APPS) { 6267 return null; 6268 } 6269 6270 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6271 true /* requireFullPermission */, false /* checkShell */, 6272 "getCookie"); 6273 if (!isCallerSameApp(packageName)) { 6274 return null; 6275 } 6276 synchronized (mPackages) { 6277 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6278 packageName, userId); 6279 } 6280 } 6281 6282 @Override 6283 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6284 if (DISABLE_EPHEMERAL_APPS) { 6285 return true; 6286 } 6287 6288 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6289 true /* requireFullPermission */, true /* checkShell */, 6290 "setCookie"); 6291 if (!isCallerSameApp(packageName)) { 6292 return false; 6293 } 6294 synchronized (mPackages) { 6295 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6296 packageName, cookie, userId); 6297 } 6298 } 6299 6300 @Override 6301 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6302 if (DISABLE_EPHEMERAL_APPS) { 6303 return null; 6304 } 6305 6306 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6307 "getEphemeralApplicationIcon"); 6308 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6309 true /* requireFullPermission */, false /* checkShell */, 6310 "getEphemeralApplicationIcon"); 6311 synchronized (mPackages) { 6312 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6313 packageName, userId); 6314 } 6315 } 6316 6317 private boolean isCallerSameApp(String packageName) { 6318 PackageParser.Package pkg = mPackages.get(packageName); 6319 return pkg != null 6320 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6321 } 6322 6323 @Override 6324 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6325 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6326 } 6327 6328 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6329 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6330 6331 // reader 6332 synchronized (mPackages) { 6333 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6334 final int userId = UserHandle.getCallingUserId(); 6335 while (i.hasNext()) { 6336 final PackageParser.Package p = i.next(); 6337 if (p.applicationInfo == null) continue; 6338 6339 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6340 && !p.applicationInfo.isDirectBootAware(); 6341 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6342 && p.applicationInfo.isDirectBootAware(); 6343 6344 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6345 && (!mSafeMode || isSystemApp(p)) 6346 && (matchesUnaware || matchesAware)) { 6347 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6348 if (ps != null) { 6349 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6350 ps.readUserState(userId), userId); 6351 if (ai != null) { 6352 finalList.add(ai); 6353 } 6354 } 6355 } 6356 } 6357 } 6358 6359 return finalList; 6360 } 6361 6362 @Override 6363 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6364 if (!sUserManager.exists(userId)) return null; 6365 flags = updateFlagsForComponent(flags, userId, name); 6366 // reader 6367 synchronized (mPackages) { 6368 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6369 PackageSetting ps = provider != null 6370 ? mSettings.mPackages.get(provider.owner.packageName) 6371 : null; 6372 return ps != null 6373 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6374 ? PackageParser.generateProviderInfo(provider, flags, 6375 ps.readUserState(userId), userId) 6376 : null; 6377 } 6378 } 6379 6380 /** 6381 * @deprecated 6382 */ 6383 @Deprecated 6384 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6385 // reader 6386 synchronized (mPackages) { 6387 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6388 .entrySet().iterator(); 6389 final int userId = UserHandle.getCallingUserId(); 6390 while (i.hasNext()) { 6391 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6392 PackageParser.Provider p = entry.getValue(); 6393 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6394 6395 if (ps != null && p.syncable 6396 && (!mSafeMode || (p.info.applicationInfo.flags 6397 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6398 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6399 ps.readUserState(userId), userId); 6400 if (info != null) { 6401 outNames.add(entry.getKey()); 6402 outInfo.add(info); 6403 } 6404 } 6405 } 6406 } 6407 } 6408 6409 @Override 6410 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6411 int uid, int flags) { 6412 final int userId = processName != null ? UserHandle.getUserId(uid) 6413 : UserHandle.getCallingUserId(); 6414 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6415 flags = updateFlagsForComponent(flags, userId, processName); 6416 6417 ArrayList<ProviderInfo> finalList = null; 6418 // reader 6419 synchronized (mPackages) { 6420 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6421 while (i.hasNext()) { 6422 final PackageParser.Provider p = i.next(); 6423 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6424 if (ps != null && p.info.authority != null 6425 && (processName == null 6426 || (p.info.processName.equals(processName) 6427 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6428 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6429 if (finalList == null) { 6430 finalList = new ArrayList<ProviderInfo>(3); 6431 } 6432 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6433 ps.readUserState(userId), userId); 6434 if (info != null) { 6435 finalList.add(info); 6436 } 6437 } 6438 } 6439 } 6440 6441 if (finalList != null) { 6442 Collections.sort(finalList, mProviderInitOrderSorter); 6443 return new ParceledListSlice<ProviderInfo>(finalList); 6444 } 6445 6446 return ParceledListSlice.emptyList(); 6447 } 6448 6449 @Override 6450 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6451 // reader 6452 synchronized (mPackages) { 6453 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6454 return PackageParser.generateInstrumentationInfo(i, flags); 6455 } 6456 } 6457 6458 @Override 6459 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6460 String targetPackage, int flags) { 6461 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6462 } 6463 6464 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6465 int flags) { 6466 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6467 6468 // reader 6469 synchronized (mPackages) { 6470 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6471 while (i.hasNext()) { 6472 final PackageParser.Instrumentation p = i.next(); 6473 if (targetPackage == null 6474 || targetPackage.equals(p.info.targetPackage)) { 6475 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6476 flags); 6477 if (ii != null) { 6478 finalList.add(ii); 6479 } 6480 } 6481 } 6482 } 6483 6484 return finalList; 6485 } 6486 6487 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6488 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6489 if (overlays == null) { 6490 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6491 return; 6492 } 6493 for (PackageParser.Package opkg : overlays.values()) { 6494 // Not much to do if idmap fails: we already logged the error 6495 // and we certainly don't want to abort installation of pkg simply 6496 // because an overlay didn't fit properly. For these reasons, 6497 // ignore the return value of createIdmapForPackagePairLI. 6498 createIdmapForPackagePairLI(pkg, opkg); 6499 } 6500 } 6501 6502 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6503 PackageParser.Package opkg) { 6504 if (!opkg.mTrustedOverlay) { 6505 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6506 opkg.baseCodePath + ": overlay not trusted"); 6507 return false; 6508 } 6509 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6510 if (overlaySet == null) { 6511 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6512 opkg.baseCodePath + " but target package has no known overlays"); 6513 return false; 6514 } 6515 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6516 // TODO: generate idmap for split APKs 6517 try { 6518 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6519 } catch (InstallerException e) { 6520 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6521 + opkg.baseCodePath); 6522 return false; 6523 } 6524 PackageParser.Package[] overlayArray = 6525 overlaySet.values().toArray(new PackageParser.Package[0]); 6526 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6527 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6528 return p1.mOverlayPriority - p2.mOverlayPriority; 6529 } 6530 }; 6531 Arrays.sort(overlayArray, cmp); 6532 6533 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6534 int i = 0; 6535 for (PackageParser.Package p : overlayArray) { 6536 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6537 } 6538 return true; 6539 } 6540 6541 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6542 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 6543 try { 6544 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6545 } finally { 6546 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6547 } 6548 } 6549 6550 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6551 final File[] files = dir.listFiles(); 6552 if (ArrayUtils.isEmpty(files)) { 6553 Log.d(TAG, "No files in app dir " + dir); 6554 return; 6555 } 6556 6557 if (DEBUG_PACKAGE_SCANNING) { 6558 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6559 + " flags=0x" + Integer.toHexString(parseFlags)); 6560 } 6561 6562 for (File file : files) { 6563 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6564 && !PackageInstallerService.isStageName(file.getName()); 6565 if (!isPackage) { 6566 // Ignore entries which are not packages 6567 continue; 6568 } 6569 try { 6570 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6571 scanFlags, currentTime, null); 6572 } catch (PackageManagerException e) { 6573 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6574 6575 // Delete invalid userdata apps 6576 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6577 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6578 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6579 removeCodePathLI(file); 6580 } 6581 } 6582 } 6583 } 6584 6585 private static File getSettingsProblemFile() { 6586 File dataDir = Environment.getDataDirectory(); 6587 File systemDir = new File(dataDir, "system"); 6588 File fname = new File(systemDir, "uiderrors.txt"); 6589 return fname; 6590 } 6591 6592 static void reportSettingsProblem(int priority, String msg) { 6593 logCriticalInfo(priority, msg); 6594 } 6595 6596 static void logCriticalInfo(int priority, String msg) { 6597 Slog.println(priority, TAG, msg); 6598 EventLogTags.writePmCriticalInfo(msg); 6599 try { 6600 File fname = getSettingsProblemFile(); 6601 FileOutputStream out = new FileOutputStream(fname, true); 6602 PrintWriter pw = new FastPrintWriter(out); 6603 SimpleDateFormat formatter = new SimpleDateFormat(); 6604 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6605 pw.println(dateString + ": " + msg); 6606 pw.close(); 6607 FileUtils.setPermissions( 6608 fname.toString(), 6609 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6610 -1, -1); 6611 } catch (java.io.IOException e) { 6612 } 6613 } 6614 6615 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6616 if (srcFile.isDirectory()) { 6617 final File baseFile = new File(pkg.baseCodePath); 6618 long maxModifiedTime = baseFile.lastModified(); 6619 if (pkg.splitCodePaths != null) { 6620 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6621 final File splitFile = new File(pkg.splitCodePaths[i]); 6622 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6623 } 6624 } 6625 return maxModifiedTime; 6626 } 6627 return srcFile.lastModified(); 6628 } 6629 6630 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6631 final int policyFlags) throws PackageManagerException { 6632 if (ps != null 6633 && ps.codePath.equals(srcFile) 6634 && ps.timeStamp == getLastModifiedTime(pkg, srcFile) 6635 && !isCompatSignatureUpdateNeeded(pkg) 6636 && !isRecoverSignatureUpdateNeeded(pkg)) { 6637 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6638 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6639 ArraySet<PublicKey> signingKs; 6640 synchronized (mPackages) { 6641 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6642 } 6643 if (ps.signatures.mSignatures != null 6644 && ps.signatures.mSignatures.length != 0 6645 && signingKs != null) { 6646 // Optimization: reuse the existing cached certificates 6647 // if the package appears to be unchanged. 6648 pkg.mSignatures = ps.signatures.mSignatures; 6649 pkg.mSigningKeys = signingKs; 6650 return; 6651 } 6652 6653 Slog.w(TAG, "PackageSetting for " + ps.name 6654 + " is missing signatures. Collecting certs again to recover them."); 6655 } else { 6656 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6657 } 6658 6659 try { 6660 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 6661 PackageParser.collectCertificates(pkg, policyFlags); 6662 } catch (PackageParserException e) { 6663 throw PackageManagerException.from(e); 6664 } finally { 6665 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6666 } 6667 } 6668 6669 /** 6670 * Traces a package scan. 6671 * @see #scanPackageLI(File, int, int, long, UserHandle) 6672 */ 6673 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6674 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6675 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 6676 try { 6677 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6678 } finally { 6679 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6680 } 6681 } 6682 6683 /** 6684 * Scans a package and returns the newly parsed package. 6685 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6686 */ 6687 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6688 long currentTime, UserHandle user) throws PackageManagerException { 6689 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6690 PackageParser pp = new PackageParser(); 6691 pp.setSeparateProcesses(mSeparateProcesses); 6692 pp.setOnlyCoreApps(mOnlyCore); 6693 pp.setDisplayMetrics(mMetrics); 6694 6695 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6696 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6697 } 6698 6699 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6700 final PackageParser.Package pkg; 6701 try { 6702 pkg = pp.parsePackage(scanFile, parseFlags); 6703 } catch (PackageParserException e) { 6704 throw PackageManagerException.from(e); 6705 } finally { 6706 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6707 } 6708 6709 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6710 } 6711 6712 /** 6713 * Scans a package and returns the newly parsed package. 6714 * @throws PackageManagerException on a parse error. 6715 */ 6716 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6717 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6718 throws PackageManagerException { 6719 // If the package has children and this is the first dive in the function 6720 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6721 // packages (parent and children) would be successfully scanned before the 6722 // actual scan since scanning mutates internal state and we want to atomically 6723 // install the package and its children. 6724 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6725 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6726 scanFlags |= SCAN_CHECK_ONLY; 6727 } 6728 } else { 6729 scanFlags &= ~SCAN_CHECK_ONLY; 6730 } 6731 6732 // Scan the parent 6733 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6734 scanFlags, currentTime, user); 6735 6736 // Scan the children 6737 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6738 for (int i = 0; i < childCount; i++) { 6739 PackageParser.Package childPackage = pkg.childPackages.get(i); 6740 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6741 currentTime, user); 6742 } 6743 6744 6745 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6746 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6747 } 6748 6749 return scannedPkg; 6750 } 6751 6752 /** 6753 * Scans a package and returns the newly parsed package. 6754 * @throws PackageManagerException on a parse error. 6755 */ 6756 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6757 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6758 throws PackageManagerException { 6759 PackageSetting ps = null; 6760 PackageSetting updatedPkg; 6761 // reader 6762 synchronized (mPackages) { 6763 // Look to see if we already know about this package. 6764 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6765 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6766 // This package has been renamed to its original name. Let's 6767 // use that. 6768 ps = mSettings.peekPackageLPr(oldName); 6769 } 6770 // If there was no original package, see one for the real package name. 6771 if (ps == null) { 6772 ps = mSettings.peekPackageLPr(pkg.packageName); 6773 } 6774 // Check to see if this package could be hiding/updating a system 6775 // package. Must look for it either under the original or real 6776 // package name depending on our state. 6777 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6778 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6779 6780 // If this is a package we don't know about on the system partition, we 6781 // may need to remove disabled child packages on the system partition 6782 // or may need to not add child packages if the parent apk is updated 6783 // on the data partition and no longer defines this child package. 6784 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6785 // If this is a parent package for an updated system app and this system 6786 // app got an OTA update which no longer defines some of the child packages 6787 // we have to prune them from the disabled system packages. 6788 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6789 if (disabledPs != null) { 6790 final int scannedChildCount = (pkg.childPackages != null) 6791 ? pkg.childPackages.size() : 0; 6792 final int disabledChildCount = disabledPs.childPackageNames != null 6793 ? disabledPs.childPackageNames.size() : 0; 6794 for (int i = 0; i < disabledChildCount; i++) { 6795 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6796 boolean disabledPackageAvailable = false; 6797 for (int j = 0; j < scannedChildCount; j++) { 6798 PackageParser.Package childPkg = pkg.childPackages.get(j); 6799 if (childPkg.packageName.equals(disabledChildPackageName)) { 6800 disabledPackageAvailable = true; 6801 break; 6802 } 6803 } 6804 if (!disabledPackageAvailable) { 6805 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6806 } 6807 } 6808 } 6809 } 6810 } 6811 6812 boolean updatedPkgBetter = false; 6813 // First check if this is a system package that may involve an update 6814 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6815 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6816 // it needs to drop FLAG_PRIVILEGED. 6817 if (locationIsPrivileged(scanFile)) { 6818 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6819 } else { 6820 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6821 } 6822 6823 if (ps != null && !ps.codePath.equals(scanFile)) { 6824 // The path has changed from what was last scanned... check the 6825 // version of the new path against what we have stored to determine 6826 // what to do. 6827 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6828 if (pkg.mVersionCode <= ps.versionCode) { 6829 // The system package has been updated and the code path does not match 6830 // Ignore entry. Skip it. 6831 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6832 + " ignored: updated version " + ps.versionCode 6833 + " better than this " + pkg.mVersionCode); 6834 if (!updatedPkg.codePath.equals(scanFile)) { 6835 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6836 + ps.name + " changing from " + updatedPkg.codePathString 6837 + " to " + scanFile); 6838 updatedPkg.codePath = scanFile; 6839 updatedPkg.codePathString = scanFile.toString(); 6840 updatedPkg.resourcePath = scanFile; 6841 updatedPkg.resourcePathString = scanFile.toString(); 6842 } 6843 updatedPkg.pkg = pkg; 6844 updatedPkg.versionCode = pkg.mVersionCode; 6845 6846 // Update the disabled system child packages to point to the package too. 6847 final int childCount = updatedPkg.childPackageNames != null 6848 ? updatedPkg.childPackageNames.size() : 0; 6849 for (int i = 0; i < childCount; i++) { 6850 String childPackageName = updatedPkg.childPackageNames.get(i); 6851 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6852 childPackageName); 6853 if (updatedChildPkg != null) { 6854 updatedChildPkg.pkg = pkg; 6855 updatedChildPkg.versionCode = pkg.mVersionCode; 6856 } 6857 } 6858 6859 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6860 + scanFile + " ignored: updated version " + ps.versionCode 6861 + " better than this " + pkg.mVersionCode); 6862 } else { 6863 // The current app on the system partition is better than 6864 // what we have updated to on the data partition; switch 6865 // back to the system partition version. 6866 // At this point, its safely assumed that package installation for 6867 // apps in system partition will go through. If not there won't be a working 6868 // version of the app 6869 // writer 6870 synchronized (mPackages) { 6871 // Just remove the loaded entries from package lists. 6872 mPackages.remove(ps.name); 6873 } 6874 6875 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6876 + " reverting from " + ps.codePathString 6877 + ": new version " + pkg.mVersionCode 6878 + " better than installed " + ps.versionCode); 6879 6880 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6881 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6882 synchronized (mInstallLock) { 6883 args.cleanUpResourcesLI(); 6884 } 6885 synchronized (mPackages) { 6886 mSettings.enableSystemPackageLPw(ps.name); 6887 } 6888 updatedPkgBetter = true; 6889 } 6890 } 6891 } 6892 6893 if (updatedPkg != null) { 6894 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6895 // initially 6896 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6897 6898 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6899 // flag set initially 6900 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6901 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6902 } 6903 } 6904 6905 // Verify certificates against what was last scanned 6906 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6907 6908 /* 6909 * A new system app appeared, but we already had a non-system one of the 6910 * same name installed earlier. 6911 */ 6912 boolean shouldHideSystemApp = false; 6913 if (updatedPkg == null && ps != null 6914 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6915 /* 6916 * Check to make sure the signatures match first. If they don't, 6917 * wipe the installed application and its data. 6918 */ 6919 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6920 != PackageManager.SIGNATURE_MATCH) { 6921 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6922 + " signatures don't match existing userdata copy; removing"); 6923 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6924 "scanPackageInternalLI")) { 6925 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6926 } 6927 ps = null; 6928 } else { 6929 /* 6930 * If the newly-added system app is an older version than the 6931 * already installed version, hide it. It will be scanned later 6932 * and re-added like an update. 6933 */ 6934 if (pkg.mVersionCode <= ps.versionCode) { 6935 shouldHideSystemApp = true; 6936 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6937 + " but new version " + pkg.mVersionCode + " better than installed " 6938 + ps.versionCode + "; hiding system"); 6939 } else { 6940 /* 6941 * The newly found system app is a newer version that the 6942 * one previously installed. Simply remove the 6943 * already-installed application and replace it with our own 6944 * while keeping the application data. 6945 */ 6946 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6947 + " reverting from " + ps.codePathString + ": new version " 6948 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6949 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6950 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6951 synchronized (mInstallLock) { 6952 args.cleanUpResourcesLI(); 6953 } 6954 } 6955 } 6956 } 6957 6958 // The apk is forward locked (not public) if its code and resources 6959 // are kept in different files. (except for app in either system or 6960 // vendor path). 6961 // TODO grab this value from PackageSettings 6962 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6963 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6964 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6965 } 6966 } 6967 6968 // TODO: extend to support forward-locked splits 6969 String resourcePath = null; 6970 String baseResourcePath = null; 6971 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6972 if (ps != null && ps.resourcePathString != null) { 6973 resourcePath = ps.resourcePathString; 6974 baseResourcePath = ps.resourcePathString; 6975 } else { 6976 // Should not happen at all. Just log an error. 6977 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6978 } 6979 } else { 6980 resourcePath = pkg.codePath; 6981 baseResourcePath = pkg.baseCodePath; 6982 } 6983 6984 // Set application objects path explicitly. 6985 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6986 pkg.setApplicationInfoCodePath(pkg.codePath); 6987 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6988 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6989 pkg.setApplicationInfoResourcePath(resourcePath); 6990 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6991 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6992 6993 // Note that we invoke the following method only if we are about to unpack an application 6994 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 6995 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6996 6997 /* 6998 * If the system app should be overridden by a previously installed 6999 * data, hide the system app now and let the /data/app scan pick it up 7000 * again. 7001 */ 7002 if (shouldHideSystemApp) { 7003 synchronized (mPackages) { 7004 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7005 } 7006 } 7007 7008 return scannedPkg; 7009 } 7010 7011 private static String fixProcessName(String defProcessName, 7012 String processName, int uid) { 7013 if (processName == null) { 7014 return defProcessName; 7015 } 7016 return processName; 7017 } 7018 7019 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7020 throws PackageManagerException { 7021 if (pkgSetting.signatures.mSignatures != null) { 7022 // Already existing package. Make sure signatures match 7023 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7024 == PackageManager.SIGNATURE_MATCH; 7025 if (!match) { 7026 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7027 == PackageManager.SIGNATURE_MATCH; 7028 } 7029 if (!match) { 7030 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7031 == PackageManager.SIGNATURE_MATCH; 7032 } 7033 if (!match) { 7034 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7035 + pkg.packageName + " signatures do not match the " 7036 + "previously installed version; ignoring!"); 7037 } 7038 } 7039 7040 // Check for shared user signatures 7041 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7042 // Already existing package. Make sure signatures match 7043 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7044 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7045 if (!match) { 7046 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7047 == PackageManager.SIGNATURE_MATCH; 7048 } 7049 if (!match) { 7050 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7051 == PackageManager.SIGNATURE_MATCH; 7052 } 7053 if (!match) { 7054 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7055 "Package " + pkg.packageName 7056 + " has no signatures that match those in shared user " 7057 + pkgSetting.sharedUser.name + "; ignoring!"); 7058 } 7059 } 7060 } 7061 7062 /** 7063 * Enforces that only the system UID or root's UID can call a method exposed 7064 * via Binder. 7065 * 7066 * @param message used as message if SecurityException is thrown 7067 * @throws SecurityException if the caller is not system or root 7068 */ 7069 private static final void enforceSystemOrRoot(String message) { 7070 final int uid = Binder.getCallingUid(); 7071 if (uid != Process.SYSTEM_UID && uid != 0) { 7072 throw new SecurityException(message); 7073 } 7074 } 7075 7076 @Override 7077 public void performFstrimIfNeeded() { 7078 enforceSystemOrRoot("Only the system can request fstrim"); 7079 7080 // Before everything else, see whether we need to fstrim. 7081 try { 7082 IMountService ms = PackageHelper.getMountService(); 7083 if (ms != null) { 7084 boolean doTrim = false; 7085 final long interval = android.provider.Settings.Global.getLong( 7086 mContext.getContentResolver(), 7087 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7088 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7089 if (interval > 0) { 7090 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7091 if (timeSinceLast > interval) { 7092 doTrim = true; 7093 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7094 + "; running immediately"); 7095 } 7096 } 7097 if (doTrim) { 7098 if (!isFirstBoot()) { 7099 try { 7100 ActivityManagerNative.getDefault().showBootMessage( 7101 mContext.getResources().getString( 7102 R.string.android_upgrading_fstrim), true); 7103 } catch (RemoteException e) { 7104 } 7105 } 7106 ms.runMaintenance(); 7107 } 7108 } else { 7109 Slog.e(TAG, "Mount service unavailable!"); 7110 } 7111 } catch (RemoteException e) { 7112 // Can't happen; MountService is local 7113 } 7114 } 7115 7116 @Override 7117 public void updatePackagesIfNeeded() { 7118 enforceSystemOrRoot("Only the system can request package update"); 7119 7120 // We need to re-extract after an OTA. 7121 boolean causeUpgrade = isUpgrade(); 7122 7123 // First boot or factory reset. 7124 // Note: we also handle devices that are upgrading to N right now as if it is their 7125 // first boot, as they do not have profile data. 7126 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7127 7128 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7129 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7130 7131 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7132 return; 7133 } 7134 7135 List<PackageParser.Package> pkgs; 7136 synchronized (mPackages) { 7137 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7138 } 7139 7140 final long startTime = System.nanoTime(); 7141 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7142 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7143 7144 final int elapsedTimeSeconds = 7145 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7146 7147 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7148 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7149 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7150 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7151 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7152 } 7153 7154 /** 7155 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7156 * containing statistics about the invocation. The array consists of three elements, 7157 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7158 * and {@code numberOfPackagesFailed}. 7159 */ 7160 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7161 String compilerFilter) { 7162 7163 int numberOfPackagesVisited = 0; 7164 int numberOfPackagesOptimized = 0; 7165 int numberOfPackagesSkipped = 0; 7166 int numberOfPackagesFailed = 0; 7167 final int numberOfPackagesToDexopt = pkgs.size(); 7168 7169 for (PackageParser.Package pkg : pkgs) { 7170 numberOfPackagesVisited++; 7171 7172 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7173 if (DEBUG_DEXOPT) { 7174 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7175 } 7176 numberOfPackagesSkipped++; 7177 continue; 7178 } 7179 7180 if (DEBUG_DEXOPT) { 7181 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7182 numberOfPackagesToDexopt + ": " + pkg.packageName); 7183 } 7184 7185 if (showDialog) { 7186 try { 7187 ActivityManagerNative.getDefault().showBootMessage( 7188 mContext.getResources().getString(R.string.android_upgrading_apk, 7189 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7190 } catch (RemoteException e) { 7191 } 7192 } 7193 7194 // If the OTA updates a system app which was previously preopted to a non-preopted state 7195 // the app might end up being verified at runtime. That's because by default the apps 7196 // are verify-profile but for preopted apps there's no profile. 7197 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7198 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7199 // filter (by default interpret-only). 7200 // Note that at this stage unused apps are already filtered. 7201 if (isSystemApp(pkg) && 7202 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7203 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7204 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7205 } 7206 7207 // checkProfiles is false to avoid merging profiles during boot which 7208 // might interfere with background compilation (b/28612421). 7209 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7210 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7211 // trade-off worth doing to save boot time work. 7212 int dexOptStatus = performDexOptTraced(pkg.packageName, 7213 false /* checkProfiles */, 7214 compilerFilter, 7215 false /* force */); 7216 switch (dexOptStatus) { 7217 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7218 numberOfPackagesOptimized++; 7219 break; 7220 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7221 numberOfPackagesSkipped++; 7222 break; 7223 case PackageDexOptimizer.DEX_OPT_FAILED: 7224 numberOfPackagesFailed++; 7225 break; 7226 default: 7227 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7228 break; 7229 } 7230 } 7231 7232 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7233 numberOfPackagesFailed }; 7234 } 7235 7236 @Override 7237 public void notifyPackageUse(String packageName, int reason) { 7238 synchronized (mPackages) { 7239 PackageParser.Package p = mPackages.get(packageName); 7240 if (p == null) { 7241 return; 7242 } 7243 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7244 } 7245 } 7246 7247 // TODO: this is not used nor needed. Delete it. 7248 @Override 7249 public boolean performDexOptIfNeeded(String packageName) { 7250 int dexOptStatus = performDexOptTraced(packageName, 7251 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7252 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7253 } 7254 7255 @Override 7256 public boolean performDexOpt(String packageName, 7257 boolean checkProfiles, int compileReason, boolean force) { 7258 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7259 getCompilerFilterForReason(compileReason), force); 7260 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7261 } 7262 7263 @Override 7264 public boolean performDexOptMode(String packageName, 7265 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7266 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7267 targetCompilerFilter, force); 7268 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7269 } 7270 7271 private int performDexOptTraced(String packageName, 7272 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7273 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7274 try { 7275 return performDexOptInternal(packageName, checkProfiles, 7276 targetCompilerFilter, force); 7277 } finally { 7278 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7279 } 7280 } 7281 7282 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7283 // if the package can now be considered up to date for the given filter. 7284 private int performDexOptInternal(String packageName, 7285 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7286 PackageParser.Package p; 7287 synchronized (mPackages) { 7288 p = mPackages.get(packageName); 7289 if (p == null) { 7290 // Package could not be found. Report failure. 7291 return PackageDexOptimizer.DEX_OPT_FAILED; 7292 } 7293 mPackageUsage.maybeWriteAsync(mPackages); 7294 mCompilerStats.maybeWriteAsync(); 7295 } 7296 long callingId = Binder.clearCallingIdentity(); 7297 try { 7298 synchronized (mInstallLock) { 7299 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7300 targetCompilerFilter, force); 7301 } 7302 } finally { 7303 Binder.restoreCallingIdentity(callingId); 7304 } 7305 } 7306 7307 public ArraySet<String> getOptimizablePackages() { 7308 ArraySet<String> pkgs = new ArraySet<String>(); 7309 synchronized (mPackages) { 7310 for (PackageParser.Package p : mPackages.values()) { 7311 if (PackageDexOptimizer.canOptimizePackage(p)) { 7312 pkgs.add(p.packageName); 7313 } 7314 } 7315 } 7316 return pkgs; 7317 } 7318 7319 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7320 boolean checkProfiles, String targetCompilerFilter, 7321 boolean force) { 7322 // Select the dex optimizer based on the force parameter. 7323 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7324 // allocate an object here. 7325 PackageDexOptimizer pdo = force 7326 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7327 : mPackageDexOptimizer; 7328 7329 // Optimize all dependencies first. Note: we ignore the return value and march on 7330 // on errors. 7331 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7332 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7333 if (!deps.isEmpty()) { 7334 for (PackageParser.Package depPackage : deps) { 7335 // TODO: Analyze and investigate if we (should) profile libraries. 7336 // Currently this will do a full compilation of the library by default. 7337 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7338 false /* checkProfiles */, 7339 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7340 getOrCreateCompilerPackageStats(depPackage)); 7341 } 7342 } 7343 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7344 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7345 } 7346 7347 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7348 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7349 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7350 Set<String> collectedNames = new HashSet<>(); 7351 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7352 7353 retValue.remove(p); 7354 7355 return retValue; 7356 } else { 7357 return Collections.emptyList(); 7358 } 7359 } 7360 7361 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7362 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7363 if (!collectedNames.contains(p.packageName)) { 7364 collectedNames.add(p.packageName); 7365 collected.add(p); 7366 7367 if (p.usesLibraries != null) { 7368 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7369 } 7370 if (p.usesOptionalLibraries != null) { 7371 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7372 collectedNames); 7373 } 7374 } 7375 } 7376 7377 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7378 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7379 for (String libName : libs) { 7380 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7381 if (libPkg != null) { 7382 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7383 } 7384 } 7385 } 7386 7387 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7388 synchronized (mPackages) { 7389 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7390 if (lib != null && lib.apk != null) { 7391 return mPackages.get(lib.apk); 7392 } 7393 } 7394 return null; 7395 } 7396 7397 public void shutdown() { 7398 mPackageUsage.writeNow(mPackages); 7399 mCompilerStats.writeNow(); 7400 } 7401 7402 @Override 7403 public void dumpProfiles(String packageName) { 7404 PackageParser.Package pkg; 7405 synchronized (mPackages) { 7406 pkg = mPackages.get(packageName); 7407 if (pkg == null) { 7408 throw new IllegalArgumentException("Unknown package: " + packageName); 7409 } 7410 } 7411 /* Only the shell, root, or the app user should be able to dump profiles. */ 7412 int callingUid = Binder.getCallingUid(); 7413 if (callingUid != Process.SHELL_UID && 7414 callingUid != Process.ROOT_UID && 7415 callingUid != pkg.applicationInfo.uid) { 7416 throw new SecurityException("dumpProfiles"); 7417 } 7418 7419 synchronized (mInstallLock) { 7420 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7421 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7422 try { 7423 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7424 String gid = Integer.toString(sharedGid); 7425 String codePaths = TextUtils.join(";", allCodePaths); 7426 mInstaller.dumpProfiles(gid, packageName, codePaths); 7427 } catch (InstallerException e) { 7428 Slog.w(TAG, "Failed to dump profiles", e); 7429 } 7430 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7431 } 7432 } 7433 7434 @Override 7435 public void forceDexOpt(String packageName) { 7436 enforceSystemOrRoot("forceDexOpt"); 7437 7438 PackageParser.Package pkg; 7439 synchronized (mPackages) { 7440 pkg = mPackages.get(packageName); 7441 if (pkg == null) { 7442 throw new IllegalArgumentException("Unknown package: " + packageName); 7443 } 7444 } 7445 7446 synchronized (mInstallLock) { 7447 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7448 7449 // Whoever is calling forceDexOpt wants a fully compiled package. 7450 // Don't use profiles since that may cause compilation to be skipped. 7451 final int res = performDexOptInternalWithDependenciesLI(pkg, 7452 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7453 true /* force */); 7454 7455 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7456 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7457 throw new IllegalStateException("Failed to dexopt: " + res); 7458 } 7459 } 7460 } 7461 7462 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7463 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7464 Slog.w(TAG, "Unable to update from " + oldPkg.name 7465 + " to " + newPkg.packageName 7466 + ": old package not in system partition"); 7467 return false; 7468 } else if (mPackages.get(oldPkg.name) != null) { 7469 Slog.w(TAG, "Unable to update from " + oldPkg.name 7470 + " to " + newPkg.packageName 7471 + ": old package still exists"); 7472 return false; 7473 } 7474 return true; 7475 } 7476 7477 void removeCodePathLI(File codePath) { 7478 if (codePath.isDirectory()) { 7479 try { 7480 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7481 } catch (InstallerException e) { 7482 Slog.w(TAG, "Failed to remove code path", e); 7483 } 7484 } else { 7485 codePath.delete(); 7486 } 7487 } 7488 7489 private int[] resolveUserIds(int userId) { 7490 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7491 } 7492 7493 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7494 if (pkg == null) { 7495 Slog.wtf(TAG, "Package was null!", new Throwable()); 7496 return; 7497 } 7498 clearAppDataLeafLIF(pkg, userId, flags); 7499 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7500 for (int i = 0; i < childCount; i++) { 7501 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7502 } 7503 } 7504 7505 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7506 final PackageSetting ps; 7507 synchronized (mPackages) { 7508 ps = mSettings.mPackages.get(pkg.packageName); 7509 } 7510 for (int realUserId : resolveUserIds(userId)) { 7511 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7512 try { 7513 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7514 ceDataInode); 7515 } catch (InstallerException e) { 7516 Slog.w(TAG, String.valueOf(e)); 7517 } 7518 } 7519 } 7520 7521 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7522 if (pkg == null) { 7523 Slog.wtf(TAG, "Package was null!", new Throwable()); 7524 return; 7525 } 7526 destroyAppDataLeafLIF(pkg, userId, flags); 7527 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7528 for (int i = 0; i < childCount; i++) { 7529 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7530 } 7531 } 7532 7533 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7534 final PackageSetting ps; 7535 synchronized (mPackages) { 7536 ps = mSettings.mPackages.get(pkg.packageName); 7537 } 7538 for (int realUserId : resolveUserIds(userId)) { 7539 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7540 try { 7541 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7542 ceDataInode); 7543 } catch (InstallerException e) { 7544 Slog.w(TAG, String.valueOf(e)); 7545 } 7546 } 7547 } 7548 7549 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7550 if (pkg == null) { 7551 Slog.wtf(TAG, "Package was null!", new Throwable()); 7552 return; 7553 } 7554 destroyAppProfilesLeafLIF(pkg); 7555 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7556 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7557 for (int i = 0; i < childCount; i++) { 7558 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7559 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7560 true /* removeBaseMarker */); 7561 } 7562 } 7563 7564 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7565 boolean removeBaseMarker) { 7566 if (pkg.isForwardLocked()) { 7567 return; 7568 } 7569 7570 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7571 try { 7572 path = PackageManagerServiceUtils.realpath(new File(path)); 7573 } catch (IOException e) { 7574 // TODO: Should we return early here ? 7575 Slog.w(TAG, "Failed to get canonical path", e); 7576 continue; 7577 } 7578 7579 final String useMarker = path.replace('/', '@'); 7580 for (int realUserId : resolveUserIds(userId)) { 7581 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7582 if (removeBaseMarker) { 7583 File foreignUseMark = new File(profileDir, useMarker); 7584 if (foreignUseMark.exists()) { 7585 if (!foreignUseMark.delete()) { 7586 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7587 + pkg.packageName); 7588 } 7589 } 7590 } 7591 7592 File[] markers = profileDir.listFiles(); 7593 if (markers != null) { 7594 final String searchString = "@" + pkg.packageName + "@"; 7595 // We also delete all markers that contain the package name we're 7596 // uninstalling. These are associated with secondary dex-files belonging 7597 // to the package. Reconstructing the path of these dex files is messy 7598 // in general. 7599 for (File marker : markers) { 7600 if (marker.getName().indexOf(searchString) > 0) { 7601 if (!marker.delete()) { 7602 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7603 + pkg.packageName); 7604 } 7605 } 7606 } 7607 } 7608 } 7609 } 7610 } 7611 7612 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7613 try { 7614 mInstaller.destroyAppProfiles(pkg.packageName); 7615 } catch (InstallerException e) { 7616 Slog.w(TAG, String.valueOf(e)); 7617 } 7618 } 7619 7620 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7621 if (pkg == null) { 7622 Slog.wtf(TAG, "Package was null!", new Throwable()); 7623 return; 7624 } 7625 clearAppProfilesLeafLIF(pkg); 7626 // We don't remove the base foreign use marker when clearing profiles because 7627 // we will rename it when the app is updated. Unlike the actual profile contents, 7628 // the foreign use marker is good across installs. 7629 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7630 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7631 for (int i = 0; i < childCount; i++) { 7632 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7633 } 7634 } 7635 7636 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7637 try { 7638 mInstaller.clearAppProfiles(pkg.packageName); 7639 } catch (InstallerException e) { 7640 Slog.w(TAG, String.valueOf(e)); 7641 } 7642 } 7643 7644 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7645 long lastUpdateTime) { 7646 // Set parent install/update time 7647 PackageSetting ps = (PackageSetting) pkg.mExtras; 7648 if (ps != null) { 7649 ps.firstInstallTime = firstInstallTime; 7650 ps.lastUpdateTime = lastUpdateTime; 7651 } 7652 // Set children install/update time 7653 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7654 for (int i = 0; i < childCount; i++) { 7655 PackageParser.Package childPkg = pkg.childPackages.get(i); 7656 ps = (PackageSetting) childPkg.mExtras; 7657 if (ps != null) { 7658 ps.firstInstallTime = firstInstallTime; 7659 ps.lastUpdateTime = lastUpdateTime; 7660 } 7661 } 7662 } 7663 7664 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7665 PackageParser.Package changingLib) { 7666 if (file.path != null) { 7667 usesLibraryFiles.add(file.path); 7668 return; 7669 } 7670 PackageParser.Package p = mPackages.get(file.apk); 7671 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7672 // If we are doing this while in the middle of updating a library apk, 7673 // then we need to make sure to use that new apk for determining the 7674 // dependencies here. (We haven't yet finished committing the new apk 7675 // to the package manager state.) 7676 if (p == null || p.packageName.equals(changingLib.packageName)) { 7677 p = changingLib; 7678 } 7679 } 7680 if (p != null) { 7681 usesLibraryFiles.addAll(p.getAllCodePaths()); 7682 } 7683 } 7684 7685 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7686 PackageParser.Package changingLib) throws PackageManagerException { 7687 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7688 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7689 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7690 for (int i=0; i<N; i++) { 7691 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7692 if (file == null) { 7693 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7694 "Package " + pkg.packageName + " requires unavailable shared library " 7695 + pkg.usesLibraries.get(i) + "; failing!"); 7696 } 7697 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7698 } 7699 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7700 for (int i=0; i<N; i++) { 7701 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7702 if (file == null) { 7703 Slog.w(TAG, "Package " + pkg.packageName 7704 + " desires unavailable shared library " 7705 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7706 } else { 7707 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7708 } 7709 } 7710 N = usesLibraryFiles.size(); 7711 if (N > 0) { 7712 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7713 } else { 7714 pkg.usesLibraryFiles = null; 7715 } 7716 } 7717 } 7718 7719 private static boolean hasString(List<String> list, List<String> which) { 7720 if (list == null) { 7721 return false; 7722 } 7723 for (int i=list.size()-1; i>=0; i--) { 7724 for (int j=which.size()-1; j>=0; j--) { 7725 if (which.get(j).equals(list.get(i))) { 7726 return true; 7727 } 7728 } 7729 } 7730 return false; 7731 } 7732 7733 private void updateAllSharedLibrariesLPw() { 7734 for (PackageParser.Package pkg : mPackages.values()) { 7735 try { 7736 updateSharedLibrariesLPw(pkg, null); 7737 } catch (PackageManagerException e) { 7738 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7739 } 7740 } 7741 } 7742 7743 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7744 PackageParser.Package changingPkg) { 7745 ArrayList<PackageParser.Package> res = null; 7746 for (PackageParser.Package pkg : mPackages.values()) { 7747 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7748 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7749 if (res == null) { 7750 res = new ArrayList<PackageParser.Package>(); 7751 } 7752 res.add(pkg); 7753 try { 7754 updateSharedLibrariesLPw(pkg, changingPkg); 7755 } catch (PackageManagerException e) { 7756 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7757 } 7758 } 7759 } 7760 return res; 7761 } 7762 7763 /** 7764 * Derive the value of the {@code cpuAbiOverride} based on the provided 7765 * value and an optional stored value from the package settings. 7766 */ 7767 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7768 String cpuAbiOverride = null; 7769 7770 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7771 cpuAbiOverride = null; 7772 } else if (abiOverride != null) { 7773 cpuAbiOverride = abiOverride; 7774 } else if (settings != null) { 7775 cpuAbiOverride = settings.cpuAbiOverrideString; 7776 } 7777 7778 return cpuAbiOverride; 7779 } 7780 7781 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7782 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7783 throws PackageManagerException { 7784 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7785 // If the package has children and this is the first dive in the function 7786 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7787 // whether all packages (parent and children) would be successfully scanned 7788 // before the actual scan since scanning mutates internal state and we want 7789 // to atomically install the package and its children. 7790 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7791 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7792 scanFlags |= SCAN_CHECK_ONLY; 7793 } 7794 } else { 7795 scanFlags &= ~SCAN_CHECK_ONLY; 7796 } 7797 7798 final PackageParser.Package scannedPkg; 7799 try { 7800 // Scan the parent 7801 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7802 // Scan the children 7803 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7804 for (int i = 0; i < childCount; i++) { 7805 PackageParser.Package childPkg = pkg.childPackages.get(i); 7806 scanPackageLI(childPkg, policyFlags, 7807 scanFlags, currentTime, user); 7808 } 7809 } finally { 7810 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7811 } 7812 7813 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7814 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7815 } 7816 7817 return scannedPkg; 7818 } 7819 7820 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7821 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7822 boolean success = false; 7823 try { 7824 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7825 currentTime, user); 7826 success = true; 7827 return res; 7828 } finally { 7829 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7830 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7831 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7832 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7833 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7834 } 7835 } 7836 } 7837 7838 /** 7839 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7840 */ 7841 private static boolean apkHasCode(String fileName) { 7842 StrictJarFile jarFile = null; 7843 try { 7844 jarFile = new StrictJarFile(fileName, 7845 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7846 return jarFile.findEntry("classes.dex") != null; 7847 } catch (IOException ignore) { 7848 } finally { 7849 try { 7850 if (jarFile != null) { 7851 jarFile.close(); 7852 } 7853 } catch (IOException ignore) {} 7854 } 7855 return false; 7856 } 7857 7858 /** 7859 * Enforces code policy for the package. This ensures that if an APK has 7860 * declared hasCode="true" in its manifest that the APK actually contains 7861 * code. 7862 * 7863 * @throws PackageManagerException If bytecode could not be found when it should exist 7864 */ 7865 private static void enforceCodePolicy(PackageParser.Package pkg) 7866 throws PackageManagerException { 7867 final boolean shouldHaveCode = 7868 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7869 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7870 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7871 "Package " + pkg.baseCodePath + " code is missing"); 7872 } 7873 7874 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7875 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7876 final boolean splitShouldHaveCode = 7877 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7878 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7879 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7880 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7881 } 7882 } 7883 } 7884 } 7885 7886 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7887 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7888 throws PackageManagerException { 7889 final File scanFile = new File(pkg.codePath); 7890 if (pkg.applicationInfo.getCodePath() == null || 7891 pkg.applicationInfo.getResourcePath() == null) { 7892 // Bail out. The resource and code paths haven't been set. 7893 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7894 "Code and resource paths haven't been set correctly"); 7895 } 7896 7897 // Apply policy 7898 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7899 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7900 if (pkg.applicationInfo.isDirectBootAware()) { 7901 // we're direct boot aware; set for all components 7902 for (PackageParser.Service s : pkg.services) { 7903 s.info.encryptionAware = s.info.directBootAware = true; 7904 } 7905 for (PackageParser.Provider p : pkg.providers) { 7906 p.info.encryptionAware = p.info.directBootAware = true; 7907 } 7908 for (PackageParser.Activity a : pkg.activities) { 7909 a.info.encryptionAware = a.info.directBootAware = true; 7910 } 7911 for (PackageParser.Activity r : pkg.receivers) { 7912 r.info.encryptionAware = r.info.directBootAware = true; 7913 } 7914 } 7915 } else { 7916 // Only allow system apps to be flagged as core apps. 7917 pkg.coreApp = false; 7918 // clear flags not applicable to regular apps 7919 pkg.applicationInfo.privateFlags &= 7920 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7921 pkg.applicationInfo.privateFlags &= 7922 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7923 } 7924 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7925 7926 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7927 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7928 } 7929 7930 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7931 enforceCodePolicy(pkg); 7932 } 7933 7934 if (mCustomResolverComponentName != null && 7935 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7936 setUpCustomResolverActivity(pkg); 7937 } 7938 7939 if (pkg.packageName.equals("android")) { 7940 synchronized (mPackages) { 7941 if (mAndroidApplication != null) { 7942 Slog.w(TAG, "*************************************************"); 7943 Slog.w(TAG, "Core android package being redefined. Skipping."); 7944 Slog.w(TAG, " file=" + scanFile); 7945 Slog.w(TAG, "*************************************************"); 7946 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7947 "Core android package being redefined. Skipping."); 7948 } 7949 7950 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7951 // Set up information for our fall-back user intent resolution activity. 7952 mPlatformPackage = pkg; 7953 pkg.mVersionCode = mSdkVersion; 7954 mAndroidApplication = pkg.applicationInfo; 7955 7956 if (!mResolverReplaced) { 7957 mResolveActivity.applicationInfo = mAndroidApplication; 7958 mResolveActivity.name = ResolverActivity.class.getName(); 7959 mResolveActivity.packageName = mAndroidApplication.packageName; 7960 mResolveActivity.processName = "system:ui"; 7961 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7962 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7963 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7964 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 7965 mResolveActivity.exported = true; 7966 mResolveActivity.enabled = true; 7967 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 7968 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 7969 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 7970 | ActivityInfo.CONFIG_SCREEN_LAYOUT 7971 | ActivityInfo.CONFIG_ORIENTATION 7972 | ActivityInfo.CONFIG_KEYBOARD 7973 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 7974 mResolveInfo.activityInfo = mResolveActivity; 7975 mResolveInfo.priority = 0; 7976 mResolveInfo.preferredOrder = 0; 7977 mResolveInfo.match = 0; 7978 mResolveComponentName = new ComponentName( 7979 mAndroidApplication.packageName, mResolveActivity.name); 7980 } 7981 } 7982 } 7983 } 7984 7985 if (DEBUG_PACKAGE_SCANNING) { 7986 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7987 Log.d(TAG, "Scanning package " + pkg.packageName); 7988 } 7989 7990 synchronized (mPackages) { 7991 if (mPackages.containsKey(pkg.packageName) 7992 || mSharedLibraries.containsKey(pkg.packageName)) { 7993 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7994 "Application package " + pkg.packageName 7995 + " already installed. Skipping duplicate."); 7996 } 7997 7998 // If we're only installing presumed-existing packages, require that the 7999 // scanned APK is both already known and at the path previously established 8000 // for it. Previously unknown packages we pick up normally, but if we have an 8001 // a priori expectation about this package's install presence, enforce it. 8002 // With a singular exception for new system packages. When an OTA contains 8003 // a new system package, we allow the codepath to change from a system location 8004 // to the user-installed location. If we don't allow this change, any newer, 8005 // user-installed version of the application will be ignored. 8006 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8007 if (mExpectingBetter.containsKey(pkg.packageName)) { 8008 logCriticalInfo(Log.WARN, 8009 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8010 } else { 8011 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8012 if (known != null) { 8013 if (DEBUG_PACKAGE_SCANNING) { 8014 Log.d(TAG, "Examining " + pkg.codePath 8015 + " and requiring known paths " + known.codePathString 8016 + " & " + known.resourcePathString); 8017 } 8018 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8019 || !pkg.applicationInfo.getResourcePath().equals( 8020 known.resourcePathString)) { 8021 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8022 "Application package " + pkg.packageName 8023 + " found at " + pkg.applicationInfo.getCodePath() 8024 + " but expected at " + known.codePathString 8025 + "; ignoring."); 8026 } 8027 } 8028 } 8029 } 8030 } 8031 8032 // Initialize package source and resource directories 8033 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8034 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8035 8036 SharedUserSetting suid = null; 8037 PackageSetting pkgSetting = null; 8038 8039 if (!isSystemApp(pkg)) { 8040 // Only system apps can use these features. 8041 pkg.mOriginalPackages = null; 8042 pkg.mRealPackage = null; 8043 pkg.mAdoptPermissions = null; 8044 } 8045 8046 // Getting the package setting may have a side-effect, so if we 8047 // are only checking if scan would succeed, stash a copy of the 8048 // old setting to restore at the end. 8049 PackageSetting nonMutatedPs = null; 8050 8051 // writer 8052 synchronized (mPackages) { 8053 if (pkg.mSharedUserId != null) { 8054 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8055 if (suid == null) { 8056 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8057 "Creating application package " + pkg.packageName 8058 + " for shared user failed"); 8059 } 8060 if (DEBUG_PACKAGE_SCANNING) { 8061 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8062 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8063 + "): packages=" + suid.packages); 8064 } 8065 } 8066 8067 // Check if we are renaming from an original package name. 8068 PackageSetting origPackage = null; 8069 String realName = null; 8070 if (pkg.mOriginalPackages != null) { 8071 // This package may need to be renamed to a previously 8072 // installed name. Let's check on that... 8073 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8074 if (pkg.mOriginalPackages.contains(renamed)) { 8075 // This package had originally been installed as the 8076 // original name, and we have already taken care of 8077 // transitioning to the new one. Just update the new 8078 // one to continue using the old name. 8079 realName = pkg.mRealPackage; 8080 if (!pkg.packageName.equals(renamed)) { 8081 // Callers into this function may have already taken 8082 // care of renaming the package; only do it here if 8083 // it is not already done. 8084 pkg.setPackageName(renamed); 8085 } 8086 8087 } else { 8088 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8089 if ((origPackage = mSettings.peekPackageLPr( 8090 pkg.mOriginalPackages.get(i))) != null) { 8091 // We do have the package already installed under its 8092 // original name... should we use it? 8093 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8094 // New package is not compatible with original. 8095 origPackage = null; 8096 continue; 8097 } else if (origPackage.sharedUser != null) { 8098 // Make sure uid is compatible between packages. 8099 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8100 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8101 + " to " + pkg.packageName + ": old uid " 8102 + origPackage.sharedUser.name 8103 + " differs from " + pkg.mSharedUserId); 8104 origPackage = null; 8105 continue; 8106 } 8107 // TODO: Add case when shared user id is added [b/28144775] 8108 } else { 8109 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8110 + pkg.packageName + " to old name " + origPackage.name); 8111 } 8112 break; 8113 } 8114 } 8115 } 8116 } 8117 8118 if (mTransferedPackages.contains(pkg.packageName)) { 8119 Slog.w(TAG, "Package " + pkg.packageName 8120 + " was transferred to another, but its .apk remains"); 8121 } 8122 8123 // See comments in nonMutatedPs declaration 8124 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8125 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8126 if (foundPs != null) { 8127 nonMutatedPs = new PackageSetting(foundPs); 8128 } 8129 } 8130 8131 // Just create the setting, don't add it yet. For already existing packages 8132 // the PkgSetting exists already and doesn't have to be created. 8133 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8134 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8135 pkg.applicationInfo.primaryCpuAbi, 8136 pkg.applicationInfo.secondaryCpuAbi, 8137 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8138 user, false); 8139 if (pkgSetting == null) { 8140 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8141 "Creating application package " + pkg.packageName + " failed"); 8142 } 8143 8144 if (pkgSetting.origPackage != null) { 8145 // If we are first transitioning from an original package, 8146 // fix up the new package's name now. We need to do this after 8147 // looking up the package under its new name, so getPackageLP 8148 // can take care of fiddling things correctly. 8149 pkg.setPackageName(origPackage.name); 8150 8151 // File a report about this. 8152 String msg = "New package " + pkgSetting.realName 8153 + " renamed to replace old package " + pkgSetting.name; 8154 reportSettingsProblem(Log.WARN, msg); 8155 8156 // Make a note of it. 8157 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8158 mTransferedPackages.add(origPackage.name); 8159 } 8160 8161 // No longer need to retain this. 8162 pkgSetting.origPackage = null; 8163 } 8164 8165 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8166 // Make a note of it. 8167 mTransferedPackages.add(pkg.packageName); 8168 } 8169 8170 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8171 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8172 } 8173 8174 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8175 // Check all shared libraries and map to their actual file path. 8176 // We only do this here for apps not on a system dir, because those 8177 // are the only ones that can fail an install due to this. We 8178 // will take care of the system apps by updating all of their 8179 // library paths after the scan is done. 8180 updateSharedLibrariesLPw(pkg, null); 8181 } 8182 8183 if (mFoundPolicyFile) { 8184 SELinuxMMAC.assignSeinfoValue(pkg); 8185 } 8186 8187 pkg.applicationInfo.uid = pkgSetting.appId; 8188 pkg.mExtras = pkgSetting; 8189 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8190 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8191 // We just determined the app is signed correctly, so bring 8192 // over the latest parsed certs. 8193 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8194 } else { 8195 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8196 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8197 "Package " + pkg.packageName + " upgrade keys do not match the " 8198 + "previously installed version"); 8199 } else { 8200 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8201 String msg = "System package " + pkg.packageName 8202 + " signature changed; retaining data."; 8203 reportSettingsProblem(Log.WARN, msg); 8204 } 8205 } 8206 } else { 8207 try { 8208 verifySignaturesLP(pkgSetting, pkg); 8209 // We just determined the app is signed correctly, so bring 8210 // over the latest parsed certs. 8211 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8212 } catch (PackageManagerException e) { 8213 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8214 throw e; 8215 } 8216 // The signature has changed, but this package is in the system 8217 // image... let's recover! 8218 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8219 // However... if this package is part of a shared user, but it 8220 // doesn't match the signature of the shared user, let's fail. 8221 // What this means is that you can't change the signatures 8222 // associated with an overall shared user, which doesn't seem all 8223 // that unreasonable. 8224 if (pkgSetting.sharedUser != null) { 8225 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8226 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8227 throw new PackageManagerException( 8228 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8229 "Signature mismatch for shared user: " 8230 + pkgSetting.sharedUser); 8231 } 8232 } 8233 // File a report about this. 8234 String msg = "System package " + pkg.packageName 8235 + " signature changed; retaining data."; 8236 reportSettingsProblem(Log.WARN, msg); 8237 } 8238 } 8239 // Verify that this new package doesn't have any content providers 8240 // that conflict with existing packages. Only do this if the 8241 // package isn't already installed, since we don't want to break 8242 // things that are installed. 8243 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8244 final int N = pkg.providers.size(); 8245 int i; 8246 for (i=0; i<N; i++) { 8247 PackageParser.Provider p = pkg.providers.get(i); 8248 if (p.info.authority != null) { 8249 String names[] = p.info.authority.split(";"); 8250 for (int j = 0; j < names.length; j++) { 8251 if (mProvidersByAuthority.containsKey(names[j])) { 8252 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8253 final String otherPackageName = 8254 ((other != null && other.getComponentName() != null) ? 8255 other.getComponentName().getPackageName() : "?"); 8256 throw new PackageManagerException( 8257 INSTALL_FAILED_CONFLICTING_PROVIDER, 8258 "Can't install because provider name " + names[j] 8259 + " (in package " + pkg.applicationInfo.packageName 8260 + ") is already used by " + otherPackageName); 8261 } 8262 } 8263 } 8264 } 8265 } 8266 8267 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8268 // This package wants to adopt ownership of permissions from 8269 // another package. 8270 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8271 final String origName = pkg.mAdoptPermissions.get(i); 8272 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8273 if (orig != null) { 8274 if (verifyPackageUpdateLPr(orig, pkg)) { 8275 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8276 + pkg.packageName); 8277 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8278 } 8279 } 8280 } 8281 } 8282 } 8283 8284 final String pkgName = pkg.packageName; 8285 8286 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8287 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8288 pkg.applicationInfo.processName = fixProcessName( 8289 pkg.applicationInfo.packageName, 8290 pkg.applicationInfo.processName, 8291 pkg.applicationInfo.uid); 8292 8293 if (pkg != mPlatformPackage) { 8294 // Get all of our default paths setup 8295 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8296 } 8297 8298 final String path = scanFile.getPath(); 8299 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8300 8301 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8302 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 8303 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /*extractLibs*/); 8304 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8305 8306 // Some system apps still use directory structure for native libraries 8307 // in which case we might end up not detecting abi solely based on apk 8308 // structure. Try to detect abi based on directory structure. 8309 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8310 pkg.applicationInfo.primaryCpuAbi == null) { 8311 setBundledAppAbisAndRoots(pkg, pkgSetting); 8312 setNativeLibraryPaths(pkg); 8313 } 8314 8315 } else { 8316 if ((scanFlags & SCAN_MOVE) != 0) { 8317 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8318 // but we already have this packages package info in the PackageSetting. We just 8319 // use that and derive the native library path based on the new codepath. 8320 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8321 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8322 } 8323 8324 // Set native library paths again. For moves, the path will be updated based on the 8325 // ABIs we've determined above. For non-moves, the path will be updated based on the 8326 // ABIs we determined during compilation, but the path will depend on the final 8327 // package path (after the rename away from the stage path). 8328 setNativeLibraryPaths(pkg); 8329 } 8330 8331 // This is a special case for the "system" package, where the ABI is 8332 // dictated by the zygote configuration (and init.rc). We should keep track 8333 // of this ABI so that we can deal with "normal" applications that run under 8334 // the same UID correctly. 8335 if (mPlatformPackage == pkg) { 8336 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8337 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8338 } 8339 8340 // If there's a mismatch between the abi-override in the package setting 8341 // and the abiOverride specified for the install. Warn about this because we 8342 // would've already compiled the app without taking the package setting into 8343 // account. 8344 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8345 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8346 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8347 " for package " + pkg.packageName); 8348 } 8349 } 8350 8351 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8352 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8353 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8354 8355 // Copy the derived override back to the parsed package, so that we can 8356 // update the package settings accordingly. 8357 pkg.cpuAbiOverride = cpuAbiOverride; 8358 8359 if (DEBUG_ABI_SELECTION) { 8360 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8361 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8362 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8363 } 8364 8365 // Push the derived path down into PackageSettings so we know what to 8366 // clean up at uninstall time. 8367 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8368 8369 if (DEBUG_ABI_SELECTION) { 8370 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8371 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8372 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8373 } 8374 8375 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8376 // We don't do this here during boot because we can do it all 8377 // at once after scanning all existing packages. 8378 // 8379 // We also do this *before* we perform dexopt on this package, so that 8380 // we can avoid redundant dexopts, and also to make sure we've got the 8381 // code and package path correct. 8382 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8383 pkg, true /* boot complete */); 8384 } 8385 8386 if (mFactoryTest && pkg.requestedPermissions.contains( 8387 android.Manifest.permission.FACTORY_TEST)) { 8388 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8389 } 8390 8391 ArrayList<PackageParser.Package> clientLibPkgs = null; 8392 8393 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8394 if (nonMutatedPs != null) { 8395 synchronized (mPackages) { 8396 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8397 } 8398 } 8399 return pkg; 8400 } 8401 8402 // Only privileged apps and updated privileged apps can add child packages. 8403 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8404 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8405 throw new PackageManagerException("Only privileged apps and updated " 8406 + "privileged apps can add child packages. Ignoring package " 8407 + pkg.packageName); 8408 } 8409 final int childCount = pkg.childPackages.size(); 8410 for (int i = 0; i < childCount; i++) { 8411 PackageParser.Package childPkg = pkg.childPackages.get(i); 8412 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8413 childPkg.packageName)) { 8414 throw new PackageManagerException("Cannot override a child package of " 8415 + "another disabled system app. Ignoring package " + pkg.packageName); 8416 } 8417 } 8418 } 8419 8420 // writer 8421 synchronized (mPackages) { 8422 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8423 // Only system apps can add new shared libraries. 8424 if (pkg.libraryNames != null) { 8425 for (int i=0; i<pkg.libraryNames.size(); i++) { 8426 String name = pkg.libraryNames.get(i); 8427 boolean allowed = false; 8428 if (pkg.isUpdatedSystemApp()) { 8429 // New library entries can only be added through the 8430 // system image. This is important to get rid of a lot 8431 // of nasty edge cases: for example if we allowed a non- 8432 // system update of the app to add a library, then uninstalling 8433 // the update would make the library go away, and assumptions 8434 // we made such as through app install filtering would now 8435 // have allowed apps on the device which aren't compatible 8436 // with it. Better to just have the restriction here, be 8437 // conservative, and create many fewer cases that can negatively 8438 // impact the user experience. 8439 final PackageSetting sysPs = mSettings 8440 .getDisabledSystemPkgLPr(pkg.packageName); 8441 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8442 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8443 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8444 allowed = true; 8445 break; 8446 } 8447 } 8448 } 8449 } else { 8450 allowed = true; 8451 } 8452 if (allowed) { 8453 if (!mSharedLibraries.containsKey(name)) { 8454 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8455 } else if (!name.equals(pkg.packageName)) { 8456 Slog.w(TAG, "Package " + pkg.packageName + " library " 8457 + name + " already exists; skipping"); 8458 } 8459 } else { 8460 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8461 + name + " that is not declared on system image; skipping"); 8462 } 8463 } 8464 if ((scanFlags & SCAN_BOOTING) == 0) { 8465 // If we are not booting, we need to update any applications 8466 // that are clients of our shared library. If we are booting, 8467 // this will all be done once the scan is complete. 8468 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8469 } 8470 } 8471 } 8472 } 8473 8474 if ((scanFlags & SCAN_BOOTING) != 0) { 8475 // No apps can run during boot scan, so they don't need to be frozen 8476 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8477 // Caller asked to not kill app, so it's probably not frozen 8478 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8479 // Caller asked us to ignore frozen check for some reason; they 8480 // probably didn't know the package name 8481 } else { 8482 // We're doing major surgery on this package, so it better be frozen 8483 // right now to keep it from launching 8484 checkPackageFrozen(pkgName); 8485 } 8486 8487 // Also need to kill any apps that are dependent on the library. 8488 if (clientLibPkgs != null) { 8489 for (int i=0; i<clientLibPkgs.size(); i++) { 8490 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8491 killApplication(clientPkg.applicationInfo.packageName, 8492 clientPkg.applicationInfo.uid, "update lib"); 8493 } 8494 } 8495 8496 // Make sure we're not adding any bogus keyset info 8497 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8498 ksms.assertScannedPackageValid(pkg); 8499 8500 // writer 8501 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8502 8503 boolean createIdmapFailed = false; 8504 synchronized (mPackages) { 8505 // We don't expect installation to fail beyond this point 8506 8507 if (pkgSetting.pkg != null) { 8508 // Note that |user| might be null during the initial boot scan. If a codePath 8509 // for an app has changed during a boot scan, it's due to an app update that's 8510 // part of the system partition and marker changes must be applied to all users. 8511 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8512 (user != null) ? user : UserHandle.ALL); 8513 } 8514 8515 // Add the new setting to mSettings 8516 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8517 // Add the new setting to mPackages 8518 mPackages.put(pkg.applicationInfo.packageName, pkg); 8519 // Make sure we don't accidentally delete its data. 8520 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8521 while (iter.hasNext()) { 8522 PackageCleanItem item = iter.next(); 8523 if (pkgName.equals(item.packageName)) { 8524 iter.remove(); 8525 } 8526 } 8527 8528 // Take care of first install / last update times. 8529 if (currentTime != 0) { 8530 if (pkgSetting.firstInstallTime == 0) { 8531 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8532 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8533 pkgSetting.lastUpdateTime = currentTime; 8534 } 8535 } else if (pkgSetting.firstInstallTime == 0) { 8536 // We need *something*. Take time time stamp of the file. 8537 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8538 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8539 if (scanFileTime != pkgSetting.timeStamp) { 8540 // A package on the system image has changed; consider this 8541 // to be an update. 8542 pkgSetting.lastUpdateTime = scanFileTime; 8543 } 8544 } 8545 8546 // Add the package's KeySets to the global KeySetManagerService 8547 ksms.addScannedPackageLPw(pkg); 8548 8549 int N = pkg.providers.size(); 8550 StringBuilder r = null; 8551 int i; 8552 for (i=0; i<N; i++) { 8553 PackageParser.Provider p = pkg.providers.get(i); 8554 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8555 p.info.processName, pkg.applicationInfo.uid); 8556 mProviders.addProvider(p); 8557 p.syncable = p.info.isSyncable; 8558 if (p.info.authority != null) { 8559 String names[] = p.info.authority.split(";"); 8560 p.info.authority = null; 8561 for (int j = 0; j < names.length; j++) { 8562 if (j == 1 && p.syncable) { 8563 // We only want the first authority for a provider to possibly be 8564 // syncable, so if we already added this provider using a different 8565 // authority clear the syncable flag. We copy the provider before 8566 // changing it because the mProviders object contains a reference 8567 // to a provider that we don't want to change. 8568 // Only do this for the second authority since the resulting provider 8569 // object can be the same for all future authorities for this provider. 8570 p = new PackageParser.Provider(p); 8571 p.syncable = false; 8572 } 8573 if (!mProvidersByAuthority.containsKey(names[j])) { 8574 mProvidersByAuthority.put(names[j], p); 8575 if (p.info.authority == null) { 8576 p.info.authority = names[j]; 8577 } else { 8578 p.info.authority = p.info.authority + ";" + names[j]; 8579 } 8580 if (DEBUG_PACKAGE_SCANNING) { 8581 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8582 Log.d(TAG, "Registered content provider: " + names[j] 8583 + ", className = " + p.info.name + ", isSyncable = " 8584 + p.info.isSyncable); 8585 } 8586 } else { 8587 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8588 Slog.w(TAG, "Skipping provider name " + names[j] + 8589 " (in package " + pkg.applicationInfo.packageName + 8590 "): name already used by " 8591 + ((other != null && other.getComponentName() != null) 8592 ? other.getComponentName().getPackageName() : "?")); 8593 } 8594 } 8595 } 8596 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8597 if (r == null) { 8598 r = new StringBuilder(256); 8599 } else { 8600 r.append(' '); 8601 } 8602 r.append(p.info.name); 8603 } 8604 } 8605 if (r != null) { 8606 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8607 } 8608 8609 N = pkg.services.size(); 8610 r = null; 8611 for (i=0; i<N; i++) { 8612 PackageParser.Service s = pkg.services.get(i); 8613 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8614 s.info.processName, pkg.applicationInfo.uid); 8615 mServices.addService(s); 8616 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8617 if (r == null) { 8618 r = new StringBuilder(256); 8619 } else { 8620 r.append(' '); 8621 } 8622 r.append(s.info.name); 8623 } 8624 } 8625 if (r != null) { 8626 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8627 } 8628 8629 N = pkg.receivers.size(); 8630 r = null; 8631 for (i=0; i<N; i++) { 8632 PackageParser.Activity a = pkg.receivers.get(i); 8633 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8634 a.info.processName, pkg.applicationInfo.uid); 8635 mReceivers.addActivity(a, "receiver"); 8636 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8637 if (r == null) { 8638 r = new StringBuilder(256); 8639 } else { 8640 r.append(' '); 8641 } 8642 r.append(a.info.name); 8643 } 8644 } 8645 if (r != null) { 8646 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8647 } 8648 8649 N = pkg.activities.size(); 8650 r = null; 8651 for (i=0; i<N; i++) { 8652 PackageParser.Activity a = pkg.activities.get(i); 8653 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8654 a.info.processName, pkg.applicationInfo.uid); 8655 mActivities.addActivity(a, "activity"); 8656 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8657 if (r == null) { 8658 r = new StringBuilder(256); 8659 } else { 8660 r.append(' '); 8661 } 8662 r.append(a.info.name); 8663 } 8664 } 8665 if (r != null) { 8666 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8667 } 8668 8669 N = pkg.permissionGroups.size(); 8670 r = null; 8671 for (i=0; i<N; i++) { 8672 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8673 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8674 if (cur == null) { 8675 mPermissionGroups.put(pg.info.name, pg); 8676 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8677 if (r == null) { 8678 r = new StringBuilder(256); 8679 } else { 8680 r.append(' '); 8681 } 8682 r.append(pg.info.name); 8683 } 8684 } else { 8685 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8686 + pg.info.packageName + " ignored: original from " 8687 + cur.info.packageName); 8688 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8689 if (r == null) { 8690 r = new StringBuilder(256); 8691 } else { 8692 r.append(' '); 8693 } 8694 r.append("DUP:"); 8695 r.append(pg.info.name); 8696 } 8697 } 8698 } 8699 if (r != null) { 8700 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8701 } 8702 8703 N = pkg.permissions.size(); 8704 r = null; 8705 for (i=0; i<N; i++) { 8706 PackageParser.Permission p = pkg.permissions.get(i); 8707 8708 // Assume by default that we did not install this permission into the system. 8709 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8710 8711 // Now that permission groups have a special meaning, we ignore permission 8712 // groups for legacy apps to prevent unexpected behavior. In particular, 8713 // permissions for one app being granted to someone just becase they happen 8714 // to be in a group defined by another app (before this had no implications). 8715 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8716 p.group = mPermissionGroups.get(p.info.group); 8717 // Warn for a permission in an unknown group. 8718 if (p.info.group != null && p.group == null) { 8719 Slog.w(TAG, "Permission " + p.info.name + " from package " 8720 + p.info.packageName + " in an unknown group " + p.info.group); 8721 } 8722 } 8723 8724 ArrayMap<String, BasePermission> permissionMap = 8725 p.tree ? mSettings.mPermissionTrees 8726 : mSettings.mPermissions; 8727 BasePermission bp = permissionMap.get(p.info.name); 8728 8729 // Allow system apps to redefine non-system permissions 8730 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8731 final boolean currentOwnerIsSystem = (bp.perm != null 8732 && isSystemApp(bp.perm.owner)); 8733 if (isSystemApp(p.owner)) { 8734 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8735 // It's a built-in permission and no owner, take ownership now 8736 bp.packageSetting = pkgSetting; 8737 bp.perm = p; 8738 bp.uid = pkg.applicationInfo.uid; 8739 bp.sourcePackage = p.info.packageName; 8740 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8741 } else if (!currentOwnerIsSystem) { 8742 String msg = "New decl " + p.owner + " of permission " 8743 + p.info.name + " is system; overriding " + bp.sourcePackage; 8744 reportSettingsProblem(Log.WARN, msg); 8745 bp = null; 8746 } 8747 } 8748 } 8749 8750 if (bp == null) { 8751 bp = new BasePermission(p.info.name, p.info.packageName, 8752 BasePermission.TYPE_NORMAL); 8753 permissionMap.put(p.info.name, bp); 8754 } 8755 8756 if (bp.perm == null) { 8757 if (bp.sourcePackage == null 8758 || bp.sourcePackage.equals(p.info.packageName)) { 8759 BasePermission tree = findPermissionTreeLP(p.info.name); 8760 if (tree == null 8761 || tree.sourcePackage.equals(p.info.packageName)) { 8762 bp.packageSetting = pkgSetting; 8763 bp.perm = p; 8764 bp.uid = pkg.applicationInfo.uid; 8765 bp.sourcePackage = p.info.packageName; 8766 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8767 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8768 if (r == null) { 8769 r = new StringBuilder(256); 8770 } else { 8771 r.append(' '); 8772 } 8773 r.append(p.info.name); 8774 } 8775 } else { 8776 Slog.w(TAG, "Permission " + p.info.name + " from package " 8777 + p.info.packageName + " ignored: base tree " 8778 + tree.name + " is from package " 8779 + tree.sourcePackage); 8780 } 8781 } else { 8782 Slog.w(TAG, "Permission " + p.info.name + " from package " 8783 + p.info.packageName + " ignored: original from " 8784 + bp.sourcePackage); 8785 } 8786 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8787 if (r == null) { 8788 r = new StringBuilder(256); 8789 } else { 8790 r.append(' '); 8791 } 8792 r.append("DUP:"); 8793 r.append(p.info.name); 8794 } 8795 if (bp.perm == p) { 8796 bp.protectionLevel = p.info.protectionLevel; 8797 } 8798 } 8799 8800 if (r != null) { 8801 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8802 } 8803 8804 N = pkg.instrumentation.size(); 8805 r = null; 8806 for (i=0; i<N; i++) { 8807 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8808 a.info.packageName = pkg.applicationInfo.packageName; 8809 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8810 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8811 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8812 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8813 a.info.dataDir = pkg.applicationInfo.dataDir; 8814 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8815 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8816 8817 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8818 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8819 mInstrumentation.put(a.getComponentName(), a); 8820 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8821 if (r == null) { 8822 r = new StringBuilder(256); 8823 } else { 8824 r.append(' '); 8825 } 8826 r.append(a.info.name); 8827 } 8828 } 8829 if (r != null) { 8830 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8831 } 8832 8833 if (pkg.protectedBroadcasts != null) { 8834 N = pkg.protectedBroadcasts.size(); 8835 for (i=0; i<N; i++) { 8836 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8837 } 8838 } 8839 8840 pkgSetting.setTimeStamp(scanFileTime); 8841 8842 // Create idmap files for pairs of (packages, overlay packages). 8843 // Note: "android", ie framework-res.apk, is handled by native layers. 8844 if (pkg.mOverlayTarget != null) { 8845 // This is an overlay package. 8846 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8847 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8848 mOverlays.put(pkg.mOverlayTarget, 8849 new ArrayMap<String, PackageParser.Package>()); 8850 } 8851 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8852 map.put(pkg.packageName, pkg); 8853 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8854 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8855 createIdmapFailed = true; 8856 } 8857 } 8858 } else if (mOverlays.containsKey(pkg.packageName) && 8859 !pkg.packageName.equals("android")) { 8860 // This is a regular package, with one or more known overlay packages. 8861 createIdmapsForPackageLI(pkg); 8862 } 8863 } 8864 8865 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8866 8867 if (createIdmapFailed) { 8868 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8869 "scanPackageLI failed to createIdmap"); 8870 } 8871 return pkg; 8872 } 8873 8874 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8875 PackageParser.Package update, UserHandle user) { 8876 if (existing.applicationInfo == null || update.applicationInfo == null) { 8877 // This isn't due to an app installation. 8878 return; 8879 } 8880 8881 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8882 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8883 8884 // The codePath hasn't changed, so there's nothing for us to do. 8885 if (Objects.equals(oldCodePath, newCodePath)) { 8886 return; 8887 } 8888 8889 File canonicalNewCodePath; 8890 try { 8891 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 8892 } catch (IOException e) { 8893 Slog.w(TAG, "Failed to get canonical path.", e); 8894 return; 8895 } 8896 8897 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 8898 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 8899 // that the last component of the path (i.e, the name) doesn't need canonicalization 8900 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 8901 // but may change in the future. Hopefully this function won't exist at that point. 8902 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 8903 oldCodePath.getName()); 8904 8905 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 8906 // with "@". 8907 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 8908 if (!oldMarkerPrefix.endsWith("@")) { 8909 oldMarkerPrefix += "@"; 8910 } 8911 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 8912 if (!newMarkerPrefix.endsWith("@")) { 8913 newMarkerPrefix += "@"; 8914 } 8915 8916 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 8917 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 8918 for (String updatedPath : updatedPaths) { 8919 String updatedPathName = new File(updatedPath).getName(); 8920 markerSuffixes.add(updatedPathName.replace('/', '@')); 8921 } 8922 8923 for (int userId : resolveUserIds(user.getIdentifier())) { 8924 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 8925 8926 for (String markerSuffix : markerSuffixes) { 8927 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 8928 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 8929 if (oldForeignUseMark.exists()) { 8930 try { 8931 Os.rename(oldForeignUseMark.getAbsolutePath(), 8932 newForeignUseMark.getAbsolutePath()); 8933 } catch (ErrnoException e) { 8934 Slog.w(TAG, "Failed to rename foreign use marker", e); 8935 oldForeignUseMark.delete(); 8936 } 8937 } 8938 } 8939 } 8940 } 8941 8942 /** 8943 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8944 * is derived purely on the basis of the contents of {@code scanFile} and 8945 * {@code cpuAbiOverride}. 8946 * 8947 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8948 */ 8949 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8950 String cpuAbiOverride, boolean extractLibs) 8951 throws PackageManagerException { 8952 // TODO: We can probably be smarter about this stuff. For installed apps, 8953 // we can calculate this information at install time once and for all. For 8954 // system apps, we can probably assume that this information doesn't change 8955 // after the first boot scan. As things stand, we do lots of unnecessary work. 8956 8957 // Give ourselves some initial paths; we'll come back for another 8958 // pass once we've determined ABI below. 8959 setNativeLibraryPaths(pkg); 8960 8961 // We would never need to extract libs for forward-locked and external packages, 8962 // since the container service will do it for us. We shouldn't attempt to 8963 // extract libs from system app when it was not updated. 8964 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8965 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8966 extractLibs = false; 8967 } 8968 8969 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8970 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8971 8972 NativeLibraryHelper.Handle handle = null; 8973 try { 8974 handle = NativeLibraryHelper.Handle.create(pkg); 8975 // TODO(multiArch): This can be null for apps that didn't go through the 8976 // usual installation process. We can calculate it again, like we 8977 // do during install time. 8978 // 8979 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8980 // unnecessary. 8981 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8982 8983 // Null out the abis so that they can be recalculated. 8984 pkg.applicationInfo.primaryCpuAbi = null; 8985 pkg.applicationInfo.secondaryCpuAbi = null; 8986 if (isMultiArch(pkg.applicationInfo)) { 8987 // Warn if we've set an abiOverride for multi-lib packages.. 8988 // By definition, we need to copy both 32 and 64 bit libraries for 8989 // such packages. 8990 if (pkg.cpuAbiOverride != null 8991 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8992 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8993 } 8994 8995 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8996 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8997 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8998 if (extractLibs) { 8999 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9000 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9001 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9002 useIsaSpecificSubdirs); 9003 } else { 9004 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9005 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9006 } 9007 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9008 } 9009 9010 maybeThrowExceptionForMultiArchCopy( 9011 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9012 9013 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9014 if (extractLibs) { 9015 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9016 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9017 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9018 useIsaSpecificSubdirs); 9019 } else { 9020 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9021 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9022 } 9023 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9024 } 9025 9026 maybeThrowExceptionForMultiArchCopy( 9027 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9028 9029 if (abi64 >= 0) { 9030 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9031 } 9032 9033 if (abi32 >= 0) { 9034 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9035 if (abi64 >= 0) { 9036 if (pkg.use32bitAbi) { 9037 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9038 pkg.applicationInfo.primaryCpuAbi = abi; 9039 } else { 9040 pkg.applicationInfo.secondaryCpuAbi = abi; 9041 } 9042 } else { 9043 pkg.applicationInfo.primaryCpuAbi = abi; 9044 } 9045 } 9046 9047 } else { 9048 String[] abiList = (cpuAbiOverride != null) ? 9049 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9050 9051 // Enable gross and lame hacks for apps that are built with old 9052 // SDK tools. We must scan their APKs for renderscript bitcode and 9053 // not launch them if it's present. Don't bother checking on devices 9054 // that don't have 64 bit support. 9055 boolean needsRenderScriptOverride = false; 9056 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9057 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9058 abiList = Build.SUPPORTED_32_BIT_ABIS; 9059 needsRenderScriptOverride = true; 9060 } 9061 9062 final int copyRet; 9063 if (extractLibs) { 9064 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9065 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9066 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9067 } else { 9068 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9069 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9070 } 9071 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9072 9073 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9074 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9075 "Error unpackaging native libs for app, errorCode=" + copyRet); 9076 } 9077 9078 if (copyRet >= 0) { 9079 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9080 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9081 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9082 } else if (needsRenderScriptOverride) { 9083 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9084 } 9085 } 9086 } catch (IOException ioe) { 9087 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9088 } finally { 9089 IoUtils.closeQuietly(handle); 9090 } 9091 9092 // Now that we've calculated the ABIs and determined if it's an internal app, 9093 // we will go ahead and populate the nativeLibraryPath. 9094 setNativeLibraryPaths(pkg); 9095 } 9096 9097 /** 9098 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9099 * i.e, so that all packages can be run inside a single process if required. 9100 * 9101 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9102 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9103 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9104 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9105 * updating a package that belongs to a shared user. 9106 * 9107 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9108 * adds unnecessary complexity. 9109 */ 9110 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9111 PackageParser.Package scannedPackage, boolean bootComplete) { 9112 String requiredInstructionSet = null; 9113 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9114 requiredInstructionSet = VMRuntime.getInstructionSet( 9115 scannedPackage.applicationInfo.primaryCpuAbi); 9116 } 9117 9118 PackageSetting requirer = null; 9119 for (PackageSetting ps : packagesForUser) { 9120 // If packagesForUser contains scannedPackage, we skip it. This will happen 9121 // when scannedPackage is an update of an existing package. Without this check, 9122 // we will never be able to change the ABI of any package belonging to a shared 9123 // user, even if it's compatible with other packages. 9124 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9125 if (ps.primaryCpuAbiString == null) { 9126 continue; 9127 } 9128 9129 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9130 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9131 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9132 // this but there's not much we can do. 9133 String errorMessage = "Instruction set mismatch, " 9134 + ((requirer == null) ? "[caller]" : requirer) 9135 + " requires " + requiredInstructionSet + " whereas " + ps 9136 + " requires " + instructionSet; 9137 Slog.w(TAG, errorMessage); 9138 } 9139 9140 if (requiredInstructionSet == null) { 9141 requiredInstructionSet = instructionSet; 9142 requirer = ps; 9143 } 9144 } 9145 } 9146 9147 if (requiredInstructionSet != null) { 9148 String adjustedAbi; 9149 if (requirer != null) { 9150 // requirer != null implies that either scannedPackage was null or that scannedPackage 9151 // did not require an ABI, in which case we have to adjust scannedPackage to match 9152 // the ABI of the set (which is the same as requirer's ABI) 9153 adjustedAbi = requirer.primaryCpuAbiString; 9154 if (scannedPackage != null) { 9155 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9156 } 9157 } else { 9158 // requirer == null implies that we're updating all ABIs in the set to 9159 // match scannedPackage. 9160 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9161 } 9162 9163 for (PackageSetting ps : packagesForUser) { 9164 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9165 if (ps.primaryCpuAbiString != null) { 9166 continue; 9167 } 9168 9169 ps.primaryCpuAbiString = adjustedAbi; 9170 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9171 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9172 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9173 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9174 + " (requirer=" 9175 + (requirer == null ? "null" : requirer.pkg.packageName) 9176 + ", scannedPackage=" 9177 + (scannedPackage != null ? scannedPackage.packageName : "null") 9178 + ")"); 9179 try { 9180 mInstaller.rmdex(ps.codePathString, 9181 getDexCodeInstructionSet(getPreferredInstructionSet())); 9182 } catch (InstallerException ignored) { 9183 } 9184 } 9185 } 9186 } 9187 } 9188 } 9189 9190 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9191 synchronized (mPackages) { 9192 mResolverReplaced = true; 9193 // Set up information for custom user intent resolution activity. 9194 mResolveActivity.applicationInfo = pkg.applicationInfo; 9195 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9196 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9197 mResolveActivity.processName = pkg.applicationInfo.packageName; 9198 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9199 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9200 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9201 mResolveActivity.theme = 0; 9202 mResolveActivity.exported = true; 9203 mResolveActivity.enabled = true; 9204 mResolveInfo.activityInfo = mResolveActivity; 9205 mResolveInfo.priority = 0; 9206 mResolveInfo.preferredOrder = 0; 9207 mResolveInfo.match = 0; 9208 mResolveComponentName = mCustomResolverComponentName; 9209 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9210 mResolveComponentName); 9211 } 9212 } 9213 9214 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9215 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9216 9217 // Set up information for ephemeral installer activity 9218 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9219 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9220 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9221 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9222 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9223 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9224 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9225 mEphemeralInstallerActivity.theme = 0; 9226 mEphemeralInstallerActivity.exported = true; 9227 mEphemeralInstallerActivity.enabled = true; 9228 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9229 mEphemeralInstallerInfo.priority = 0; 9230 mEphemeralInstallerInfo.preferredOrder = 0; 9231 mEphemeralInstallerInfo.match = 0; 9232 9233 if (DEBUG_EPHEMERAL) { 9234 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9235 } 9236 } 9237 9238 private static String calculateBundledApkRoot(final String codePathString) { 9239 final File codePath = new File(codePathString); 9240 final File codeRoot; 9241 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9242 codeRoot = Environment.getRootDirectory(); 9243 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9244 codeRoot = Environment.getOemDirectory(); 9245 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9246 codeRoot = Environment.getVendorDirectory(); 9247 } else { 9248 // Unrecognized code path; take its top real segment as the apk root: 9249 // e.g. /something/app/blah.apk => /something 9250 try { 9251 File f = codePath.getCanonicalFile(); 9252 File parent = f.getParentFile(); // non-null because codePath is a file 9253 File tmp; 9254 while ((tmp = parent.getParentFile()) != null) { 9255 f = parent; 9256 parent = tmp; 9257 } 9258 codeRoot = f; 9259 Slog.w(TAG, "Unrecognized code path " 9260 + codePath + " - using " + codeRoot); 9261 } catch (IOException e) { 9262 // Can't canonicalize the code path -- shenanigans? 9263 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9264 return Environment.getRootDirectory().getPath(); 9265 } 9266 } 9267 return codeRoot.getPath(); 9268 } 9269 9270 /** 9271 * Derive and set the location of native libraries for the given package, 9272 * which varies depending on where and how the package was installed. 9273 */ 9274 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9275 final ApplicationInfo info = pkg.applicationInfo; 9276 final String codePath = pkg.codePath; 9277 final File codeFile = new File(codePath); 9278 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9279 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9280 9281 info.nativeLibraryRootDir = null; 9282 info.nativeLibraryRootRequiresIsa = false; 9283 info.nativeLibraryDir = null; 9284 info.secondaryNativeLibraryDir = null; 9285 9286 if (isApkFile(codeFile)) { 9287 // Monolithic install 9288 if (bundledApp) { 9289 // If "/system/lib64/apkname" exists, assume that is the per-package 9290 // native library directory to use; otherwise use "/system/lib/apkname". 9291 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9292 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9293 getPrimaryInstructionSet(info)); 9294 9295 // This is a bundled system app so choose the path based on the ABI. 9296 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9297 // is just the default path. 9298 final String apkName = deriveCodePathName(codePath); 9299 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9300 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9301 apkName).getAbsolutePath(); 9302 9303 if (info.secondaryCpuAbi != null) { 9304 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9305 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9306 secondaryLibDir, apkName).getAbsolutePath(); 9307 } 9308 } else if (asecApp) { 9309 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9310 .getAbsolutePath(); 9311 } else { 9312 final String apkName = deriveCodePathName(codePath); 9313 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9314 .getAbsolutePath(); 9315 } 9316 9317 info.nativeLibraryRootRequiresIsa = false; 9318 info.nativeLibraryDir = info.nativeLibraryRootDir; 9319 } else { 9320 // Cluster install 9321 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9322 info.nativeLibraryRootRequiresIsa = true; 9323 9324 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9325 getPrimaryInstructionSet(info)).getAbsolutePath(); 9326 9327 if (info.secondaryCpuAbi != null) { 9328 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9329 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9330 } 9331 } 9332 } 9333 9334 /** 9335 * Calculate the abis and roots for a bundled app. These can uniquely 9336 * be determined from the contents of the system partition, i.e whether 9337 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9338 * of this information, and instead assume that the system was built 9339 * sensibly. 9340 */ 9341 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9342 PackageSetting pkgSetting) { 9343 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9344 9345 // If "/system/lib64/apkname" exists, assume that is the per-package 9346 // native library directory to use; otherwise use "/system/lib/apkname". 9347 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9348 setBundledAppAbi(pkg, apkRoot, apkName); 9349 // pkgSetting might be null during rescan following uninstall of updates 9350 // to a bundled app, so accommodate that possibility. The settings in 9351 // that case will be established later from the parsed package. 9352 // 9353 // If the settings aren't null, sync them up with what we've just derived. 9354 // note that apkRoot isn't stored in the package settings. 9355 if (pkgSetting != null) { 9356 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9357 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9358 } 9359 } 9360 9361 /** 9362 * Deduces the ABI of a bundled app and sets the relevant fields on the 9363 * parsed pkg object. 9364 * 9365 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9366 * under which system libraries are installed. 9367 * @param apkName the name of the installed package. 9368 */ 9369 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9370 final File codeFile = new File(pkg.codePath); 9371 9372 final boolean has64BitLibs; 9373 final boolean has32BitLibs; 9374 if (isApkFile(codeFile)) { 9375 // Monolithic install 9376 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9377 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9378 } else { 9379 // Cluster install 9380 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9381 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9382 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9383 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9384 has64BitLibs = (new File(rootDir, isa)).exists(); 9385 } else { 9386 has64BitLibs = false; 9387 } 9388 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9389 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9390 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9391 has32BitLibs = (new File(rootDir, isa)).exists(); 9392 } else { 9393 has32BitLibs = false; 9394 } 9395 } 9396 9397 if (has64BitLibs && !has32BitLibs) { 9398 // The package has 64 bit libs, but not 32 bit libs. Its primary 9399 // ABI should be 64 bit. We can safely assume here that the bundled 9400 // native libraries correspond to the most preferred ABI in the list. 9401 9402 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9403 pkg.applicationInfo.secondaryCpuAbi = null; 9404 } else if (has32BitLibs && !has64BitLibs) { 9405 // The package has 32 bit libs but not 64 bit libs. Its primary 9406 // ABI should be 32 bit. 9407 9408 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9409 pkg.applicationInfo.secondaryCpuAbi = null; 9410 } else if (has32BitLibs && has64BitLibs) { 9411 // The application has both 64 and 32 bit bundled libraries. We check 9412 // here that the app declares multiArch support, and warn if it doesn't. 9413 // 9414 // We will be lenient here and record both ABIs. The primary will be the 9415 // ABI that's higher on the list, i.e, a device that's configured to prefer 9416 // 64 bit apps will see a 64 bit primary ABI, 9417 9418 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9419 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9420 } 9421 9422 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9423 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9424 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9425 } else { 9426 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9427 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9428 } 9429 } else { 9430 pkg.applicationInfo.primaryCpuAbi = null; 9431 pkg.applicationInfo.secondaryCpuAbi = null; 9432 } 9433 } 9434 9435 private void killApplication(String pkgName, int appId, String reason) { 9436 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9437 } 9438 9439 private void killApplication(String pkgName, int appId, int userId, String reason) { 9440 // Request the ActivityManager to kill the process(only for existing packages) 9441 // so that we do not end up in a confused state while the user is still using the older 9442 // version of the application while the new one gets installed. 9443 final long token = Binder.clearCallingIdentity(); 9444 try { 9445 IActivityManager am = ActivityManagerNative.getDefault(); 9446 if (am != null) { 9447 try { 9448 am.killApplication(pkgName, appId, userId, reason); 9449 } catch (RemoteException e) { 9450 } 9451 } 9452 } finally { 9453 Binder.restoreCallingIdentity(token); 9454 } 9455 } 9456 9457 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9458 // Remove the parent package setting 9459 PackageSetting ps = (PackageSetting) pkg.mExtras; 9460 if (ps != null) { 9461 removePackageLI(ps, chatty); 9462 } 9463 // Remove the child package setting 9464 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9465 for (int i = 0; i < childCount; i++) { 9466 PackageParser.Package childPkg = pkg.childPackages.get(i); 9467 ps = (PackageSetting) childPkg.mExtras; 9468 if (ps != null) { 9469 removePackageLI(ps, chatty); 9470 } 9471 } 9472 } 9473 9474 void removePackageLI(PackageSetting ps, boolean chatty) { 9475 if (DEBUG_INSTALL) { 9476 if (chatty) 9477 Log.d(TAG, "Removing package " + ps.name); 9478 } 9479 9480 // writer 9481 synchronized (mPackages) { 9482 mPackages.remove(ps.name); 9483 final PackageParser.Package pkg = ps.pkg; 9484 if (pkg != null) { 9485 cleanPackageDataStructuresLILPw(pkg, chatty); 9486 } 9487 } 9488 } 9489 9490 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9491 if (DEBUG_INSTALL) { 9492 if (chatty) 9493 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9494 } 9495 9496 // writer 9497 synchronized (mPackages) { 9498 // Remove the parent package 9499 mPackages.remove(pkg.applicationInfo.packageName); 9500 cleanPackageDataStructuresLILPw(pkg, chatty); 9501 9502 // Remove the child packages 9503 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9504 for (int i = 0; i < childCount; i++) { 9505 PackageParser.Package childPkg = pkg.childPackages.get(i); 9506 mPackages.remove(childPkg.applicationInfo.packageName); 9507 cleanPackageDataStructuresLILPw(childPkg, chatty); 9508 } 9509 } 9510 } 9511 9512 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9513 int N = pkg.providers.size(); 9514 StringBuilder r = null; 9515 int i; 9516 for (i=0; i<N; i++) { 9517 PackageParser.Provider p = pkg.providers.get(i); 9518 mProviders.removeProvider(p); 9519 if (p.info.authority == null) { 9520 9521 /* There was another ContentProvider with this authority when 9522 * this app was installed so this authority is null, 9523 * Ignore it as we don't have to unregister the provider. 9524 */ 9525 continue; 9526 } 9527 String names[] = p.info.authority.split(";"); 9528 for (int j = 0; j < names.length; j++) { 9529 if (mProvidersByAuthority.get(names[j]) == p) { 9530 mProvidersByAuthority.remove(names[j]); 9531 if (DEBUG_REMOVE) { 9532 if (chatty) 9533 Log.d(TAG, "Unregistered content provider: " + names[j] 9534 + ", className = " + p.info.name + ", isSyncable = " 9535 + p.info.isSyncable); 9536 } 9537 } 9538 } 9539 if (DEBUG_REMOVE && chatty) { 9540 if (r == null) { 9541 r = new StringBuilder(256); 9542 } else { 9543 r.append(' '); 9544 } 9545 r.append(p.info.name); 9546 } 9547 } 9548 if (r != null) { 9549 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9550 } 9551 9552 N = pkg.services.size(); 9553 r = null; 9554 for (i=0; i<N; i++) { 9555 PackageParser.Service s = pkg.services.get(i); 9556 mServices.removeService(s); 9557 if (chatty) { 9558 if (r == null) { 9559 r = new StringBuilder(256); 9560 } else { 9561 r.append(' '); 9562 } 9563 r.append(s.info.name); 9564 } 9565 } 9566 if (r != null) { 9567 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9568 } 9569 9570 N = pkg.receivers.size(); 9571 r = null; 9572 for (i=0; i<N; i++) { 9573 PackageParser.Activity a = pkg.receivers.get(i); 9574 mReceivers.removeActivity(a, "receiver"); 9575 if (DEBUG_REMOVE && chatty) { 9576 if (r == null) { 9577 r = new StringBuilder(256); 9578 } else { 9579 r.append(' '); 9580 } 9581 r.append(a.info.name); 9582 } 9583 } 9584 if (r != null) { 9585 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9586 } 9587 9588 N = pkg.activities.size(); 9589 r = null; 9590 for (i=0; i<N; i++) { 9591 PackageParser.Activity a = pkg.activities.get(i); 9592 mActivities.removeActivity(a, "activity"); 9593 if (DEBUG_REMOVE && chatty) { 9594 if (r == null) { 9595 r = new StringBuilder(256); 9596 } else { 9597 r.append(' '); 9598 } 9599 r.append(a.info.name); 9600 } 9601 } 9602 if (r != null) { 9603 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9604 } 9605 9606 N = pkg.permissions.size(); 9607 r = null; 9608 for (i=0; i<N; i++) { 9609 PackageParser.Permission p = pkg.permissions.get(i); 9610 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9611 if (bp == null) { 9612 bp = mSettings.mPermissionTrees.get(p.info.name); 9613 } 9614 if (bp != null && bp.perm == p) { 9615 bp.perm = null; 9616 if (DEBUG_REMOVE && chatty) { 9617 if (r == null) { 9618 r = new StringBuilder(256); 9619 } else { 9620 r.append(' '); 9621 } 9622 r.append(p.info.name); 9623 } 9624 } 9625 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9626 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9627 if (appOpPkgs != null) { 9628 appOpPkgs.remove(pkg.packageName); 9629 } 9630 } 9631 } 9632 if (r != null) { 9633 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9634 } 9635 9636 N = pkg.requestedPermissions.size(); 9637 r = null; 9638 for (i=0; i<N; i++) { 9639 String perm = pkg.requestedPermissions.get(i); 9640 BasePermission bp = mSettings.mPermissions.get(perm); 9641 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9642 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9643 if (appOpPkgs != null) { 9644 appOpPkgs.remove(pkg.packageName); 9645 if (appOpPkgs.isEmpty()) { 9646 mAppOpPermissionPackages.remove(perm); 9647 } 9648 } 9649 } 9650 } 9651 if (r != null) { 9652 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9653 } 9654 9655 N = pkg.instrumentation.size(); 9656 r = null; 9657 for (i=0; i<N; i++) { 9658 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9659 mInstrumentation.remove(a.getComponentName()); 9660 if (DEBUG_REMOVE && chatty) { 9661 if (r == null) { 9662 r = new StringBuilder(256); 9663 } else { 9664 r.append(' '); 9665 } 9666 r.append(a.info.name); 9667 } 9668 } 9669 if (r != null) { 9670 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9671 } 9672 9673 r = null; 9674 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9675 // Only system apps can hold shared libraries. 9676 if (pkg.libraryNames != null) { 9677 for (i=0; i<pkg.libraryNames.size(); i++) { 9678 String name = pkg.libraryNames.get(i); 9679 SharedLibraryEntry cur = mSharedLibraries.get(name); 9680 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9681 mSharedLibraries.remove(name); 9682 if (DEBUG_REMOVE && chatty) { 9683 if (r == null) { 9684 r = new StringBuilder(256); 9685 } else { 9686 r.append(' '); 9687 } 9688 r.append(name); 9689 } 9690 } 9691 } 9692 } 9693 } 9694 if (r != null) { 9695 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9696 } 9697 } 9698 9699 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9700 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9701 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9702 return true; 9703 } 9704 } 9705 return false; 9706 } 9707 9708 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9709 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9710 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9711 9712 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9713 // Update the parent permissions 9714 updatePermissionsLPw(pkg.packageName, pkg, flags); 9715 // Update the child permissions 9716 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9717 for (int i = 0; i < childCount; i++) { 9718 PackageParser.Package childPkg = pkg.childPackages.get(i); 9719 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9720 } 9721 } 9722 9723 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9724 int flags) { 9725 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9726 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9727 } 9728 9729 private void updatePermissionsLPw(String changingPkg, 9730 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9731 // Make sure there are no dangling permission trees. 9732 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9733 while (it.hasNext()) { 9734 final BasePermission bp = it.next(); 9735 if (bp.packageSetting == null) { 9736 // We may not yet have parsed the package, so just see if 9737 // we still know about its settings. 9738 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9739 } 9740 if (bp.packageSetting == null) { 9741 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9742 + " from package " + bp.sourcePackage); 9743 it.remove(); 9744 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9745 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9746 Slog.i(TAG, "Removing old permission tree: " + bp.name 9747 + " from package " + bp.sourcePackage); 9748 flags |= UPDATE_PERMISSIONS_ALL; 9749 it.remove(); 9750 } 9751 } 9752 } 9753 9754 // Make sure all dynamic permissions have been assigned to a package, 9755 // and make sure there are no dangling permissions. 9756 it = mSettings.mPermissions.values().iterator(); 9757 while (it.hasNext()) { 9758 final BasePermission bp = it.next(); 9759 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9760 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9761 + bp.name + " pkg=" + bp.sourcePackage 9762 + " info=" + bp.pendingInfo); 9763 if (bp.packageSetting == null && bp.pendingInfo != null) { 9764 final BasePermission tree = findPermissionTreeLP(bp.name); 9765 if (tree != null && tree.perm != null) { 9766 bp.packageSetting = tree.packageSetting; 9767 bp.perm = new PackageParser.Permission(tree.perm.owner, 9768 new PermissionInfo(bp.pendingInfo)); 9769 bp.perm.info.packageName = tree.perm.info.packageName; 9770 bp.perm.info.name = bp.name; 9771 bp.uid = tree.uid; 9772 } 9773 } 9774 } 9775 if (bp.packageSetting == null) { 9776 // We may not yet have parsed the package, so just see if 9777 // we still know about its settings. 9778 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9779 } 9780 if (bp.packageSetting == null) { 9781 Slog.w(TAG, "Removing dangling permission: " + bp.name 9782 + " from package " + bp.sourcePackage); 9783 it.remove(); 9784 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9785 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9786 Slog.i(TAG, "Removing old permission: " + bp.name 9787 + " from package " + bp.sourcePackage); 9788 flags |= UPDATE_PERMISSIONS_ALL; 9789 it.remove(); 9790 } 9791 } 9792 } 9793 9794 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9795 // Now update the permissions for all packages, in particular 9796 // replace the granted permissions of the system packages. 9797 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9798 for (PackageParser.Package pkg : mPackages.values()) { 9799 if (pkg != pkgInfo) { 9800 // Only replace for packages on requested volume 9801 final String volumeUuid = getVolumeUuidForPackage(pkg); 9802 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9803 && Objects.equals(replaceVolumeUuid, volumeUuid); 9804 grantPermissionsLPw(pkg, replace, changingPkg); 9805 } 9806 } 9807 } 9808 9809 if (pkgInfo != null) { 9810 // Only replace for packages on requested volume 9811 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9812 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9813 && Objects.equals(replaceVolumeUuid, volumeUuid); 9814 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9815 } 9816 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9817 } 9818 9819 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9820 String packageOfInterest) { 9821 // IMPORTANT: There are two types of permissions: install and runtime. 9822 // Install time permissions are granted when the app is installed to 9823 // all device users and users added in the future. Runtime permissions 9824 // are granted at runtime explicitly to specific users. Normal and signature 9825 // protected permissions are install time permissions. Dangerous permissions 9826 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9827 // otherwise they are runtime permissions. This function does not manage 9828 // runtime permissions except for the case an app targeting Lollipop MR1 9829 // being upgraded to target a newer SDK, in which case dangerous permissions 9830 // are transformed from install time to runtime ones. 9831 9832 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9833 if (ps == null) { 9834 return; 9835 } 9836 9837 PermissionsState permissionsState = ps.getPermissionsState(); 9838 PermissionsState origPermissions = permissionsState; 9839 9840 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9841 9842 boolean runtimePermissionsRevoked = false; 9843 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9844 9845 boolean changedInstallPermission = false; 9846 9847 if (replace) { 9848 ps.installPermissionsFixed = false; 9849 if (!ps.isSharedUser()) { 9850 origPermissions = new PermissionsState(permissionsState); 9851 permissionsState.reset(); 9852 } else { 9853 // We need to know only about runtime permission changes since the 9854 // calling code always writes the install permissions state but 9855 // the runtime ones are written only if changed. The only cases of 9856 // changed runtime permissions here are promotion of an install to 9857 // runtime and revocation of a runtime from a shared user. 9858 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9859 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9860 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9861 runtimePermissionsRevoked = true; 9862 } 9863 } 9864 } 9865 9866 permissionsState.setGlobalGids(mGlobalGids); 9867 9868 final int N = pkg.requestedPermissions.size(); 9869 for (int i=0; i<N; i++) { 9870 final String name = pkg.requestedPermissions.get(i); 9871 final BasePermission bp = mSettings.mPermissions.get(name); 9872 9873 if (DEBUG_INSTALL) { 9874 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9875 } 9876 9877 if (bp == null || bp.packageSetting == null) { 9878 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9879 Slog.w(TAG, "Unknown permission " + name 9880 + " in package " + pkg.packageName); 9881 } 9882 continue; 9883 } 9884 9885 final String perm = bp.name; 9886 boolean allowedSig = false; 9887 int grant = GRANT_DENIED; 9888 9889 // Keep track of app op permissions. 9890 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9891 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9892 if (pkgs == null) { 9893 pkgs = new ArraySet<>(); 9894 mAppOpPermissionPackages.put(bp.name, pkgs); 9895 } 9896 pkgs.add(pkg.packageName); 9897 } 9898 9899 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9900 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9901 >= Build.VERSION_CODES.M; 9902 switch (level) { 9903 case PermissionInfo.PROTECTION_NORMAL: { 9904 // For all apps normal permissions are install time ones. 9905 grant = GRANT_INSTALL; 9906 } break; 9907 9908 case PermissionInfo.PROTECTION_DANGEROUS: { 9909 // If a permission review is required for legacy apps we represent 9910 // their permissions as always granted runtime ones since we need 9911 // to keep the review required permission flag per user while an 9912 // install permission's state is shared across all users. 9913 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9914 // For legacy apps dangerous permissions are install time ones. 9915 grant = GRANT_INSTALL; 9916 } else if (origPermissions.hasInstallPermission(bp.name)) { 9917 // For legacy apps that became modern, install becomes runtime. 9918 grant = GRANT_UPGRADE; 9919 } else if (mPromoteSystemApps 9920 && isSystemApp(ps) 9921 && mExistingSystemPackages.contains(ps.name)) { 9922 // For legacy system apps, install becomes runtime. 9923 // We cannot check hasInstallPermission() for system apps since those 9924 // permissions were granted implicitly and not persisted pre-M. 9925 grant = GRANT_UPGRADE; 9926 } else { 9927 // For modern apps keep runtime permissions unchanged. 9928 grant = GRANT_RUNTIME; 9929 } 9930 } break; 9931 9932 case PermissionInfo.PROTECTION_SIGNATURE: { 9933 // For all apps signature permissions are install time ones. 9934 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9935 if (allowedSig) { 9936 grant = GRANT_INSTALL; 9937 } 9938 } break; 9939 } 9940 9941 if (DEBUG_INSTALL) { 9942 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9943 } 9944 9945 if (grant != GRANT_DENIED) { 9946 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9947 // If this is an existing, non-system package, then 9948 // we can't add any new permissions to it. 9949 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9950 // Except... if this is a permission that was added 9951 // to the platform (note: need to only do this when 9952 // updating the platform). 9953 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9954 grant = GRANT_DENIED; 9955 } 9956 } 9957 } 9958 9959 switch (grant) { 9960 case GRANT_INSTALL: { 9961 // Revoke this as runtime permission to handle the case of 9962 // a runtime permission being downgraded to an install one. 9963 // Also in permission review mode we keep dangerous permissions 9964 // for legacy apps 9965 for (int userId : UserManagerService.getInstance().getUserIds()) { 9966 if (origPermissions.getRuntimePermissionState( 9967 bp.name, userId) != null) { 9968 // Revoke the runtime permission and clear the flags. 9969 origPermissions.revokeRuntimePermission(bp, userId); 9970 origPermissions.updatePermissionFlags(bp, userId, 9971 PackageManager.MASK_PERMISSION_FLAGS, 0); 9972 // If we revoked a permission permission, we have to write. 9973 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9974 changedRuntimePermissionUserIds, userId); 9975 } 9976 } 9977 // Grant an install permission. 9978 if (permissionsState.grantInstallPermission(bp) != 9979 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9980 changedInstallPermission = true; 9981 } 9982 } break; 9983 9984 case GRANT_RUNTIME: { 9985 // Grant previously granted runtime permissions. 9986 for (int userId : UserManagerService.getInstance().getUserIds()) { 9987 PermissionState permissionState = origPermissions 9988 .getRuntimePermissionState(bp.name, userId); 9989 int flags = permissionState != null 9990 ? permissionState.getFlags() : 0; 9991 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9992 if (permissionsState.grantRuntimePermission(bp, userId) == 9993 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9994 // If we cannot put the permission as it was, we have to write. 9995 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9996 changedRuntimePermissionUserIds, userId); 9997 } 9998 // If the app supports runtime permissions no need for a review. 9999 if (Build.PERMISSIONS_REVIEW_REQUIRED 10000 && appSupportsRuntimePermissions 10001 && (flags & PackageManager 10002 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10003 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10004 // Since we changed the flags, we have to write. 10005 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10006 changedRuntimePermissionUserIds, userId); 10007 } 10008 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10009 && !appSupportsRuntimePermissions) { 10010 // For legacy apps that need a permission review, every new 10011 // runtime permission is granted but it is pending a review. 10012 // We also need to review only platform defined runtime 10013 // permissions as these are the only ones the platform knows 10014 // how to disable the API to simulate revocation as legacy 10015 // apps don't expect to run with revoked permissions. 10016 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10017 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10018 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10019 // We changed the flags, hence have to write. 10020 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10021 changedRuntimePermissionUserIds, userId); 10022 } 10023 } 10024 if (permissionsState.grantRuntimePermission(bp, userId) 10025 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10026 // We changed the permission, hence have to write. 10027 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10028 changedRuntimePermissionUserIds, userId); 10029 } 10030 } 10031 // Propagate the permission flags. 10032 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10033 } 10034 } break; 10035 10036 case GRANT_UPGRADE: { 10037 // Grant runtime permissions for a previously held install permission. 10038 PermissionState permissionState = origPermissions 10039 .getInstallPermissionState(bp.name); 10040 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10041 10042 if (origPermissions.revokeInstallPermission(bp) 10043 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10044 // We will be transferring the permission flags, so clear them. 10045 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10046 PackageManager.MASK_PERMISSION_FLAGS, 0); 10047 changedInstallPermission = true; 10048 } 10049 10050 // If the permission is not to be promoted to runtime we ignore it and 10051 // also its other flags as they are not applicable to install permissions. 10052 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10053 for (int userId : currentUserIds) { 10054 if (permissionsState.grantRuntimePermission(bp, userId) != 10055 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10056 // Transfer the permission flags. 10057 permissionsState.updatePermissionFlags(bp, userId, 10058 flags, flags); 10059 // If we granted the permission, we have to write. 10060 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10061 changedRuntimePermissionUserIds, userId); 10062 } 10063 } 10064 } 10065 } break; 10066 10067 default: { 10068 if (packageOfInterest == null 10069 || packageOfInterest.equals(pkg.packageName)) { 10070 Slog.w(TAG, "Not granting permission " + perm 10071 + " to package " + pkg.packageName 10072 + " because it was previously installed without"); 10073 } 10074 } break; 10075 } 10076 } else { 10077 if (permissionsState.revokeInstallPermission(bp) != 10078 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10079 // Also drop the permission flags. 10080 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10081 PackageManager.MASK_PERMISSION_FLAGS, 0); 10082 changedInstallPermission = true; 10083 Slog.i(TAG, "Un-granting permission " + perm 10084 + " from package " + pkg.packageName 10085 + " (protectionLevel=" + bp.protectionLevel 10086 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10087 + ")"); 10088 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10089 // Don't print warning for app op permissions, since it is fine for them 10090 // not to be granted, there is a UI for the user to decide. 10091 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10092 Slog.w(TAG, "Not granting permission " + perm 10093 + " to package " + pkg.packageName 10094 + " (protectionLevel=" + bp.protectionLevel 10095 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10096 + ")"); 10097 } 10098 } 10099 } 10100 } 10101 10102 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10103 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10104 // This is the first that we have heard about this package, so the 10105 // permissions we have now selected are fixed until explicitly 10106 // changed. 10107 ps.installPermissionsFixed = true; 10108 } 10109 10110 // Persist the runtime permissions state for users with changes. If permissions 10111 // were revoked because no app in the shared user declares them we have to 10112 // write synchronously to avoid losing runtime permissions state. 10113 for (int userId : changedRuntimePermissionUserIds) { 10114 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10115 } 10116 } 10117 10118 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10119 boolean allowed = false; 10120 final int NP = PackageParser.NEW_PERMISSIONS.length; 10121 for (int ip=0; ip<NP; ip++) { 10122 final PackageParser.NewPermissionInfo npi 10123 = PackageParser.NEW_PERMISSIONS[ip]; 10124 if (npi.name.equals(perm) 10125 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10126 allowed = true; 10127 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10128 + pkg.packageName); 10129 break; 10130 } 10131 } 10132 return allowed; 10133 } 10134 10135 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10136 BasePermission bp, PermissionsState origPermissions) { 10137 boolean allowed; 10138 allowed = (compareSignatures( 10139 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10140 == PackageManager.SIGNATURE_MATCH) 10141 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10142 == PackageManager.SIGNATURE_MATCH); 10143 if (!allowed && (bp.protectionLevel 10144 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10145 if (isSystemApp(pkg)) { 10146 // For updated system applications, a system permission 10147 // is granted only if it had been defined by the original application. 10148 if (pkg.isUpdatedSystemApp()) { 10149 final PackageSetting sysPs = mSettings 10150 .getDisabledSystemPkgLPr(pkg.packageName); 10151 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10152 // If the original was granted this permission, we take 10153 // that grant decision as read and propagate it to the 10154 // update. 10155 if (sysPs.isPrivileged()) { 10156 allowed = true; 10157 } 10158 } else { 10159 // The system apk may have been updated with an older 10160 // version of the one on the data partition, but which 10161 // granted a new system permission that it didn't have 10162 // before. In this case we do want to allow the app to 10163 // now get the new permission if the ancestral apk is 10164 // privileged to get it. 10165 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10166 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10167 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10168 allowed = true; 10169 break; 10170 } 10171 } 10172 } 10173 // Also if a privileged parent package on the system image or any of 10174 // its children requested a privileged permission, the updated child 10175 // packages can also get the permission. 10176 if (pkg.parentPackage != null) { 10177 final PackageSetting disabledSysParentPs = mSettings 10178 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10179 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10180 && disabledSysParentPs.isPrivileged()) { 10181 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10182 allowed = true; 10183 } else if (disabledSysParentPs.pkg.childPackages != null) { 10184 final int count = disabledSysParentPs.pkg.childPackages.size(); 10185 for (int i = 0; i < count; i++) { 10186 PackageParser.Package disabledSysChildPkg = 10187 disabledSysParentPs.pkg.childPackages.get(i); 10188 if (isPackageRequestingPermission(disabledSysChildPkg, 10189 perm)) { 10190 allowed = true; 10191 break; 10192 } 10193 } 10194 } 10195 } 10196 } 10197 } 10198 } else { 10199 allowed = isPrivilegedApp(pkg); 10200 } 10201 } 10202 } 10203 if (!allowed) { 10204 if (!allowed && (bp.protectionLevel 10205 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10206 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10207 // If this was a previously normal/dangerous permission that got moved 10208 // to a system permission as part of the runtime permission redesign, then 10209 // we still want to blindly grant it to old apps. 10210 allowed = true; 10211 } 10212 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10213 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10214 // If this permission is to be granted to the system installer and 10215 // this app is an installer, then it gets the permission. 10216 allowed = true; 10217 } 10218 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10219 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10220 // If this permission is to be granted to the system verifier and 10221 // this app is a verifier, then it gets the permission. 10222 allowed = true; 10223 } 10224 if (!allowed && (bp.protectionLevel 10225 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10226 && isSystemApp(pkg)) { 10227 // Any pre-installed system app is allowed to get this permission. 10228 allowed = true; 10229 } 10230 if (!allowed && (bp.protectionLevel 10231 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10232 // For development permissions, a development permission 10233 // is granted only if it was already granted. 10234 allowed = origPermissions.hasInstallPermission(perm); 10235 } 10236 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10237 && pkg.packageName.equals(mSetupWizardPackage)) { 10238 // If this permission is to be granted to the system setup wizard and 10239 // this app is a setup wizard, then it gets the permission. 10240 allowed = true; 10241 } 10242 } 10243 return allowed; 10244 } 10245 10246 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10247 final int permCount = pkg.requestedPermissions.size(); 10248 for (int j = 0; j < permCount; j++) { 10249 String requestedPermission = pkg.requestedPermissions.get(j); 10250 if (permission.equals(requestedPermission)) { 10251 return true; 10252 } 10253 } 10254 return false; 10255 } 10256 10257 final class ActivityIntentResolver 10258 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10259 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10260 boolean defaultOnly, int userId) { 10261 if (!sUserManager.exists(userId)) return null; 10262 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10263 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10264 } 10265 10266 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10267 int userId) { 10268 if (!sUserManager.exists(userId)) return null; 10269 mFlags = flags; 10270 return super.queryIntent(intent, resolvedType, 10271 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10272 } 10273 10274 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10275 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10276 if (!sUserManager.exists(userId)) return null; 10277 if (packageActivities == null) { 10278 return null; 10279 } 10280 mFlags = flags; 10281 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10282 final int N = packageActivities.size(); 10283 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10284 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10285 10286 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10287 for (int i = 0; i < N; ++i) { 10288 intentFilters = packageActivities.get(i).intents; 10289 if (intentFilters != null && intentFilters.size() > 0) { 10290 PackageParser.ActivityIntentInfo[] array = 10291 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10292 intentFilters.toArray(array); 10293 listCut.add(array); 10294 } 10295 } 10296 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10297 } 10298 10299 /** 10300 * Finds a privileged activity that matches the specified activity names. 10301 */ 10302 private PackageParser.Activity findMatchingActivity( 10303 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10304 for (PackageParser.Activity sysActivity : activityList) { 10305 if (sysActivity.info.name.equals(activityInfo.name)) { 10306 return sysActivity; 10307 } 10308 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10309 return sysActivity; 10310 } 10311 if (sysActivity.info.targetActivity != null) { 10312 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10313 return sysActivity; 10314 } 10315 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10316 return sysActivity; 10317 } 10318 } 10319 } 10320 return null; 10321 } 10322 10323 public class IterGenerator<E> { 10324 public Iterator<E> generate(ActivityIntentInfo info) { 10325 return null; 10326 } 10327 } 10328 10329 public class ActionIterGenerator extends IterGenerator<String> { 10330 @Override 10331 public Iterator<String> generate(ActivityIntentInfo info) { 10332 return info.actionsIterator(); 10333 } 10334 } 10335 10336 public class CategoriesIterGenerator extends IterGenerator<String> { 10337 @Override 10338 public Iterator<String> generate(ActivityIntentInfo info) { 10339 return info.categoriesIterator(); 10340 } 10341 } 10342 10343 public class SchemesIterGenerator extends IterGenerator<String> { 10344 @Override 10345 public Iterator<String> generate(ActivityIntentInfo info) { 10346 return info.schemesIterator(); 10347 } 10348 } 10349 10350 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10351 @Override 10352 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10353 return info.authoritiesIterator(); 10354 } 10355 } 10356 10357 /** 10358 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10359 * MODIFIED. Do not pass in a list that should not be changed. 10360 */ 10361 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10362 IterGenerator<T> generator, Iterator<T> searchIterator) { 10363 // loop through the set of actions; every one must be found in the intent filter 10364 while (searchIterator.hasNext()) { 10365 // we must have at least one filter in the list to consider a match 10366 if (intentList.size() == 0) { 10367 break; 10368 } 10369 10370 final T searchAction = searchIterator.next(); 10371 10372 // loop through the set of intent filters 10373 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10374 while (intentIter.hasNext()) { 10375 final ActivityIntentInfo intentInfo = intentIter.next(); 10376 boolean selectionFound = false; 10377 10378 // loop through the intent filter's selection criteria; at least one 10379 // of them must match the searched criteria 10380 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10381 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10382 final T intentSelection = intentSelectionIter.next(); 10383 if (intentSelection != null && intentSelection.equals(searchAction)) { 10384 selectionFound = true; 10385 break; 10386 } 10387 } 10388 10389 // the selection criteria wasn't found in this filter's set; this filter 10390 // is not a potential match 10391 if (!selectionFound) { 10392 intentIter.remove(); 10393 } 10394 } 10395 } 10396 } 10397 10398 private boolean isProtectedAction(ActivityIntentInfo filter) { 10399 final Iterator<String> actionsIter = filter.actionsIterator(); 10400 while (actionsIter != null && actionsIter.hasNext()) { 10401 final String filterAction = actionsIter.next(); 10402 if (PROTECTED_ACTIONS.contains(filterAction)) { 10403 return true; 10404 } 10405 } 10406 return false; 10407 } 10408 10409 /** 10410 * Adjusts the priority of the given intent filter according to policy. 10411 * <p> 10412 * <ul> 10413 * <li>The priority for non privileged applications is capped to '0'</li> 10414 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10415 * <li>The priority for unbundled updates to privileged applications is capped to the 10416 * priority defined on the system partition</li> 10417 * </ul> 10418 * <p> 10419 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10420 * allowed to obtain any priority on any action. 10421 */ 10422 private void adjustPriority( 10423 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10424 // nothing to do; priority is fine as-is 10425 if (intent.getPriority() <= 0) { 10426 return; 10427 } 10428 10429 final ActivityInfo activityInfo = intent.activity.info; 10430 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10431 10432 final boolean privilegedApp = 10433 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10434 if (!privilegedApp) { 10435 // non-privileged applications can never define a priority >0 10436 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10437 + " package: " + applicationInfo.packageName 10438 + " activity: " + intent.activity.className 10439 + " origPrio: " + intent.getPriority()); 10440 intent.setPriority(0); 10441 return; 10442 } 10443 10444 if (systemActivities == null) { 10445 // the system package is not disabled; we're parsing the system partition 10446 if (isProtectedAction(intent)) { 10447 if (mDeferProtectedFilters) { 10448 // We can't deal with these just yet. No component should ever obtain a 10449 // >0 priority for a protected actions, with ONE exception -- the setup 10450 // wizard. The setup wizard, however, cannot be known until we're able to 10451 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10452 // until all intent filters have been processed. Chicken, meet egg. 10453 // Let the filter temporarily have a high priority and rectify the 10454 // priorities after all system packages have been scanned. 10455 mProtectedFilters.add(intent); 10456 if (DEBUG_FILTERS) { 10457 Slog.i(TAG, "Protected action; save for later;" 10458 + " package: " + applicationInfo.packageName 10459 + " activity: " + intent.activity.className 10460 + " origPrio: " + intent.getPriority()); 10461 } 10462 return; 10463 } else { 10464 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10465 Slog.i(TAG, "No setup wizard;" 10466 + " All protected intents capped to priority 0"); 10467 } 10468 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10469 if (DEBUG_FILTERS) { 10470 Slog.i(TAG, "Found setup wizard;" 10471 + " allow priority " + intent.getPriority() + ";" 10472 + " package: " + intent.activity.info.packageName 10473 + " activity: " + intent.activity.className 10474 + " priority: " + intent.getPriority()); 10475 } 10476 // setup wizard gets whatever it wants 10477 return; 10478 } 10479 Slog.w(TAG, "Protected action; cap priority to 0;" 10480 + " package: " + intent.activity.info.packageName 10481 + " activity: " + intent.activity.className 10482 + " origPrio: " + intent.getPriority()); 10483 intent.setPriority(0); 10484 return; 10485 } 10486 } 10487 // privileged apps on the system image get whatever priority they request 10488 return; 10489 } 10490 10491 // privileged app unbundled update ... try to find the same activity 10492 final PackageParser.Activity foundActivity = 10493 findMatchingActivity(systemActivities, activityInfo); 10494 if (foundActivity == null) { 10495 // this is a new activity; it cannot obtain >0 priority 10496 if (DEBUG_FILTERS) { 10497 Slog.i(TAG, "New activity; cap priority to 0;" 10498 + " package: " + applicationInfo.packageName 10499 + " activity: " + intent.activity.className 10500 + " origPrio: " + intent.getPriority()); 10501 } 10502 intent.setPriority(0); 10503 return; 10504 } 10505 10506 // found activity, now check for filter equivalence 10507 10508 // a shallow copy is enough; we modify the list, not its contents 10509 final List<ActivityIntentInfo> intentListCopy = 10510 new ArrayList<>(foundActivity.intents); 10511 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10512 10513 // find matching action subsets 10514 final Iterator<String> actionsIterator = intent.actionsIterator(); 10515 if (actionsIterator != null) { 10516 getIntentListSubset( 10517 intentListCopy, new ActionIterGenerator(), actionsIterator); 10518 if (intentListCopy.size() == 0) { 10519 // no more intents to match; we're not equivalent 10520 if (DEBUG_FILTERS) { 10521 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10522 + " package: " + applicationInfo.packageName 10523 + " activity: " + intent.activity.className 10524 + " origPrio: " + intent.getPriority()); 10525 } 10526 intent.setPriority(0); 10527 return; 10528 } 10529 } 10530 10531 // find matching category subsets 10532 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10533 if (categoriesIterator != null) { 10534 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10535 categoriesIterator); 10536 if (intentListCopy.size() == 0) { 10537 // no more intents to match; we're not equivalent 10538 if (DEBUG_FILTERS) { 10539 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10540 + " package: " + applicationInfo.packageName 10541 + " activity: " + intent.activity.className 10542 + " origPrio: " + intent.getPriority()); 10543 } 10544 intent.setPriority(0); 10545 return; 10546 } 10547 } 10548 10549 // find matching schemes subsets 10550 final Iterator<String> schemesIterator = intent.schemesIterator(); 10551 if (schemesIterator != null) { 10552 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10553 schemesIterator); 10554 if (intentListCopy.size() == 0) { 10555 // no more intents to match; we're not equivalent 10556 if (DEBUG_FILTERS) { 10557 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10558 + " package: " + applicationInfo.packageName 10559 + " activity: " + intent.activity.className 10560 + " origPrio: " + intent.getPriority()); 10561 } 10562 intent.setPriority(0); 10563 return; 10564 } 10565 } 10566 10567 // find matching authorities subsets 10568 final Iterator<IntentFilter.AuthorityEntry> 10569 authoritiesIterator = intent.authoritiesIterator(); 10570 if (authoritiesIterator != null) { 10571 getIntentListSubset(intentListCopy, 10572 new AuthoritiesIterGenerator(), 10573 authoritiesIterator); 10574 if (intentListCopy.size() == 0) { 10575 // no more intents to match; we're not equivalent 10576 if (DEBUG_FILTERS) { 10577 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10578 + " package: " + applicationInfo.packageName 10579 + " activity: " + intent.activity.className 10580 + " origPrio: " + intent.getPriority()); 10581 } 10582 intent.setPriority(0); 10583 return; 10584 } 10585 } 10586 10587 // we found matching filter(s); app gets the max priority of all intents 10588 int cappedPriority = 0; 10589 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10590 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10591 } 10592 if (intent.getPriority() > cappedPriority) { 10593 if (DEBUG_FILTERS) { 10594 Slog.i(TAG, "Found matching filter(s);" 10595 + " cap priority to " + cappedPriority + ";" 10596 + " package: " + applicationInfo.packageName 10597 + " activity: " + intent.activity.className 10598 + " origPrio: " + intent.getPriority()); 10599 } 10600 intent.setPriority(cappedPriority); 10601 return; 10602 } 10603 // all this for nothing; the requested priority was <= what was on the system 10604 } 10605 10606 public final void addActivity(PackageParser.Activity a, String type) { 10607 mActivities.put(a.getComponentName(), a); 10608 if (DEBUG_SHOW_INFO) 10609 Log.v( 10610 TAG, " " + type + " " + 10611 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10612 if (DEBUG_SHOW_INFO) 10613 Log.v(TAG, " Class=" + a.info.name); 10614 final int NI = a.intents.size(); 10615 for (int j=0; j<NI; j++) { 10616 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10617 if ("activity".equals(type)) { 10618 final PackageSetting ps = 10619 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10620 final List<PackageParser.Activity> systemActivities = 10621 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10622 adjustPriority(systemActivities, intent); 10623 } 10624 if (DEBUG_SHOW_INFO) { 10625 Log.v(TAG, " IntentFilter:"); 10626 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10627 } 10628 if (!intent.debugCheck()) { 10629 Log.w(TAG, "==> For Activity " + a.info.name); 10630 } 10631 addFilter(intent); 10632 } 10633 } 10634 10635 public final void removeActivity(PackageParser.Activity a, String type) { 10636 mActivities.remove(a.getComponentName()); 10637 if (DEBUG_SHOW_INFO) { 10638 Log.v(TAG, " " + type + " " 10639 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10640 : a.info.name) + ":"); 10641 Log.v(TAG, " Class=" + a.info.name); 10642 } 10643 final int NI = a.intents.size(); 10644 for (int j=0; j<NI; j++) { 10645 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10646 if (DEBUG_SHOW_INFO) { 10647 Log.v(TAG, " IntentFilter:"); 10648 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10649 } 10650 removeFilter(intent); 10651 } 10652 } 10653 10654 @Override 10655 protected boolean allowFilterResult( 10656 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10657 ActivityInfo filterAi = filter.activity.info; 10658 for (int i=dest.size()-1; i>=0; i--) { 10659 ActivityInfo destAi = dest.get(i).activityInfo; 10660 if (destAi.name == filterAi.name 10661 && destAi.packageName == filterAi.packageName) { 10662 return false; 10663 } 10664 } 10665 return true; 10666 } 10667 10668 @Override 10669 protected ActivityIntentInfo[] newArray(int size) { 10670 return new ActivityIntentInfo[size]; 10671 } 10672 10673 @Override 10674 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10675 if (!sUserManager.exists(userId)) return true; 10676 PackageParser.Package p = filter.activity.owner; 10677 if (p != null) { 10678 PackageSetting ps = (PackageSetting)p.mExtras; 10679 if (ps != null) { 10680 // System apps are never considered stopped for purposes of 10681 // filtering, because there may be no way for the user to 10682 // actually re-launch them. 10683 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10684 && ps.getStopped(userId); 10685 } 10686 } 10687 return false; 10688 } 10689 10690 @Override 10691 protected boolean isPackageForFilter(String packageName, 10692 PackageParser.ActivityIntentInfo info) { 10693 return packageName.equals(info.activity.owner.packageName); 10694 } 10695 10696 @Override 10697 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10698 int match, int userId) { 10699 if (!sUserManager.exists(userId)) return null; 10700 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10701 return null; 10702 } 10703 final PackageParser.Activity activity = info.activity; 10704 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10705 if (ps == null) { 10706 return null; 10707 } 10708 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10709 ps.readUserState(userId), userId); 10710 if (ai == null) { 10711 return null; 10712 } 10713 final ResolveInfo res = new ResolveInfo(); 10714 res.activityInfo = ai; 10715 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10716 res.filter = info; 10717 } 10718 if (info != null) { 10719 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10720 } 10721 res.priority = info.getPriority(); 10722 res.preferredOrder = activity.owner.mPreferredOrder; 10723 //System.out.println("Result: " + res.activityInfo.className + 10724 // " = " + res.priority); 10725 res.match = match; 10726 res.isDefault = info.hasDefault; 10727 res.labelRes = info.labelRes; 10728 res.nonLocalizedLabel = info.nonLocalizedLabel; 10729 if (userNeedsBadging(userId)) { 10730 res.noResourceId = true; 10731 } else { 10732 res.icon = info.icon; 10733 } 10734 res.iconResourceId = info.icon; 10735 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10736 return res; 10737 } 10738 10739 @Override 10740 protected void sortResults(List<ResolveInfo> results) { 10741 Collections.sort(results, mResolvePrioritySorter); 10742 } 10743 10744 @Override 10745 protected void dumpFilter(PrintWriter out, String prefix, 10746 PackageParser.ActivityIntentInfo filter) { 10747 out.print(prefix); out.print( 10748 Integer.toHexString(System.identityHashCode(filter.activity))); 10749 out.print(' '); 10750 filter.activity.printComponentShortName(out); 10751 out.print(" filter "); 10752 out.println(Integer.toHexString(System.identityHashCode(filter))); 10753 } 10754 10755 @Override 10756 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10757 return filter.activity; 10758 } 10759 10760 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10761 PackageParser.Activity activity = (PackageParser.Activity)label; 10762 out.print(prefix); out.print( 10763 Integer.toHexString(System.identityHashCode(activity))); 10764 out.print(' '); 10765 activity.printComponentShortName(out); 10766 if (count > 1) { 10767 out.print(" ("); out.print(count); out.print(" filters)"); 10768 } 10769 out.println(); 10770 } 10771 10772 // Keys are String (activity class name), values are Activity. 10773 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10774 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10775 private int mFlags; 10776 } 10777 10778 private final class ServiceIntentResolver 10779 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10780 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10781 boolean defaultOnly, int userId) { 10782 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10783 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10784 } 10785 10786 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10787 int userId) { 10788 if (!sUserManager.exists(userId)) return null; 10789 mFlags = flags; 10790 return super.queryIntent(intent, resolvedType, 10791 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10792 } 10793 10794 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10795 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10796 if (!sUserManager.exists(userId)) return null; 10797 if (packageServices == null) { 10798 return null; 10799 } 10800 mFlags = flags; 10801 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10802 final int N = packageServices.size(); 10803 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10804 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10805 10806 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10807 for (int i = 0; i < N; ++i) { 10808 intentFilters = packageServices.get(i).intents; 10809 if (intentFilters != null && intentFilters.size() > 0) { 10810 PackageParser.ServiceIntentInfo[] array = 10811 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10812 intentFilters.toArray(array); 10813 listCut.add(array); 10814 } 10815 } 10816 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10817 } 10818 10819 public final void addService(PackageParser.Service s) { 10820 mServices.put(s.getComponentName(), s); 10821 if (DEBUG_SHOW_INFO) { 10822 Log.v(TAG, " " 10823 + (s.info.nonLocalizedLabel != null 10824 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10825 Log.v(TAG, " Class=" + s.info.name); 10826 } 10827 final int NI = s.intents.size(); 10828 int j; 10829 for (j=0; j<NI; j++) { 10830 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10831 if (DEBUG_SHOW_INFO) { 10832 Log.v(TAG, " IntentFilter:"); 10833 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10834 } 10835 if (!intent.debugCheck()) { 10836 Log.w(TAG, "==> For Service " + s.info.name); 10837 } 10838 addFilter(intent); 10839 } 10840 } 10841 10842 public final void removeService(PackageParser.Service s) { 10843 mServices.remove(s.getComponentName()); 10844 if (DEBUG_SHOW_INFO) { 10845 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10846 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10847 Log.v(TAG, " Class=" + s.info.name); 10848 } 10849 final int NI = s.intents.size(); 10850 int j; 10851 for (j=0; j<NI; j++) { 10852 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10853 if (DEBUG_SHOW_INFO) { 10854 Log.v(TAG, " IntentFilter:"); 10855 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10856 } 10857 removeFilter(intent); 10858 } 10859 } 10860 10861 @Override 10862 protected boolean allowFilterResult( 10863 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10864 ServiceInfo filterSi = filter.service.info; 10865 for (int i=dest.size()-1; i>=0; i--) { 10866 ServiceInfo destAi = dest.get(i).serviceInfo; 10867 if (destAi.name == filterSi.name 10868 && destAi.packageName == filterSi.packageName) { 10869 return false; 10870 } 10871 } 10872 return true; 10873 } 10874 10875 @Override 10876 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10877 return new PackageParser.ServiceIntentInfo[size]; 10878 } 10879 10880 @Override 10881 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10882 if (!sUserManager.exists(userId)) return true; 10883 PackageParser.Package p = filter.service.owner; 10884 if (p != null) { 10885 PackageSetting ps = (PackageSetting)p.mExtras; 10886 if (ps != null) { 10887 // System apps are never considered stopped for purposes of 10888 // filtering, because there may be no way for the user to 10889 // actually re-launch them. 10890 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10891 && ps.getStopped(userId); 10892 } 10893 } 10894 return false; 10895 } 10896 10897 @Override 10898 protected boolean isPackageForFilter(String packageName, 10899 PackageParser.ServiceIntentInfo info) { 10900 return packageName.equals(info.service.owner.packageName); 10901 } 10902 10903 @Override 10904 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10905 int match, int userId) { 10906 if (!sUserManager.exists(userId)) return null; 10907 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10908 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10909 return null; 10910 } 10911 final PackageParser.Service service = info.service; 10912 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10913 if (ps == null) { 10914 return null; 10915 } 10916 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10917 ps.readUserState(userId), userId); 10918 if (si == null) { 10919 return null; 10920 } 10921 final ResolveInfo res = new ResolveInfo(); 10922 res.serviceInfo = si; 10923 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10924 res.filter = filter; 10925 } 10926 res.priority = info.getPriority(); 10927 res.preferredOrder = service.owner.mPreferredOrder; 10928 res.match = match; 10929 res.isDefault = info.hasDefault; 10930 res.labelRes = info.labelRes; 10931 res.nonLocalizedLabel = info.nonLocalizedLabel; 10932 res.icon = info.icon; 10933 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10934 return res; 10935 } 10936 10937 @Override 10938 protected void sortResults(List<ResolveInfo> results) { 10939 Collections.sort(results, mResolvePrioritySorter); 10940 } 10941 10942 @Override 10943 protected void dumpFilter(PrintWriter out, String prefix, 10944 PackageParser.ServiceIntentInfo filter) { 10945 out.print(prefix); out.print( 10946 Integer.toHexString(System.identityHashCode(filter.service))); 10947 out.print(' '); 10948 filter.service.printComponentShortName(out); 10949 out.print(" filter "); 10950 out.println(Integer.toHexString(System.identityHashCode(filter))); 10951 } 10952 10953 @Override 10954 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10955 return filter.service; 10956 } 10957 10958 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10959 PackageParser.Service service = (PackageParser.Service)label; 10960 out.print(prefix); out.print( 10961 Integer.toHexString(System.identityHashCode(service))); 10962 out.print(' '); 10963 service.printComponentShortName(out); 10964 if (count > 1) { 10965 out.print(" ("); out.print(count); out.print(" filters)"); 10966 } 10967 out.println(); 10968 } 10969 10970// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10971// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10972// final List<ResolveInfo> retList = Lists.newArrayList(); 10973// while (i.hasNext()) { 10974// final ResolveInfo resolveInfo = (ResolveInfo) i; 10975// if (isEnabledLP(resolveInfo.serviceInfo)) { 10976// retList.add(resolveInfo); 10977// } 10978// } 10979// return retList; 10980// } 10981 10982 // Keys are String (activity class name), values are Activity. 10983 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10984 = new ArrayMap<ComponentName, PackageParser.Service>(); 10985 private int mFlags; 10986 }; 10987 10988 private final class ProviderIntentResolver 10989 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10990 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10991 boolean defaultOnly, int userId) { 10992 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10993 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10994 } 10995 10996 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10997 int userId) { 10998 if (!sUserManager.exists(userId)) 10999 return null; 11000 mFlags = flags; 11001 return super.queryIntent(intent, resolvedType, 11002 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11003 } 11004 11005 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11006 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11007 if (!sUserManager.exists(userId)) 11008 return null; 11009 if (packageProviders == null) { 11010 return null; 11011 } 11012 mFlags = flags; 11013 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11014 final int N = packageProviders.size(); 11015 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11016 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11017 11018 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11019 for (int i = 0; i < N; ++i) { 11020 intentFilters = packageProviders.get(i).intents; 11021 if (intentFilters != null && intentFilters.size() > 0) { 11022 PackageParser.ProviderIntentInfo[] array = 11023 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11024 intentFilters.toArray(array); 11025 listCut.add(array); 11026 } 11027 } 11028 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11029 } 11030 11031 public final void addProvider(PackageParser.Provider p) { 11032 if (mProviders.containsKey(p.getComponentName())) { 11033 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11034 return; 11035 } 11036 11037 mProviders.put(p.getComponentName(), p); 11038 if (DEBUG_SHOW_INFO) { 11039 Log.v(TAG, " " 11040 + (p.info.nonLocalizedLabel != null 11041 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11042 Log.v(TAG, " Class=" + p.info.name); 11043 } 11044 final int NI = p.intents.size(); 11045 int j; 11046 for (j = 0; j < NI; j++) { 11047 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11048 if (DEBUG_SHOW_INFO) { 11049 Log.v(TAG, " IntentFilter:"); 11050 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11051 } 11052 if (!intent.debugCheck()) { 11053 Log.w(TAG, "==> For Provider " + p.info.name); 11054 } 11055 addFilter(intent); 11056 } 11057 } 11058 11059 public final void removeProvider(PackageParser.Provider p) { 11060 mProviders.remove(p.getComponentName()); 11061 if (DEBUG_SHOW_INFO) { 11062 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11063 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11064 Log.v(TAG, " Class=" + p.info.name); 11065 } 11066 final int NI = p.intents.size(); 11067 int j; 11068 for (j = 0; j < NI; j++) { 11069 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11070 if (DEBUG_SHOW_INFO) { 11071 Log.v(TAG, " IntentFilter:"); 11072 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11073 } 11074 removeFilter(intent); 11075 } 11076 } 11077 11078 @Override 11079 protected boolean allowFilterResult( 11080 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11081 ProviderInfo filterPi = filter.provider.info; 11082 for (int i = dest.size() - 1; i >= 0; i--) { 11083 ProviderInfo destPi = dest.get(i).providerInfo; 11084 if (destPi.name == filterPi.name 11085 && destPi.packageName == filterPi.packageName) { 11086 return false; 11087 } 11088 } 11089 return true; 11090 } 11091 11092 @Override 11093 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11094 return new PackageParser.ProviderIntentInfo[size]; 11095 } 11096 11097 @Override 11098 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11099 if (!sUserManager.exists(userId)) 11100 return true; 11101 PackageParser.Package p = filter.provider.owner; 11102 if (p != null) { 11103 PackageSetting ps = (PackageSetting) p.mExtras; 11104 if (ps != null) { 11105 // System apps are never considered stopped for purposes of 11106 // filtering, because there may be no way for the user to 11107 // actually re-launch them. 11108 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11109 && ps.getStopped(userId); 11110 } 11111 } 11112 return false; 11113 } 11114 11115 @Override 11116 protected boolean isPackageForFilter(String packageName, 11117 PackageParser.ProviderIntentInfo info) { 11118 return packageName.equals(info.provider.owner.packageName); 11119 } 11120 11121 @Override 11122 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11123 int match, int userId) { 11124 if (!sUserManager.exists(userId)) 11125 return null; 11126 final PackageParser.ProviderIntentInfo info = filter; 11127 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11128 return null; 11129 } 11130 final PackageParser.Provider provider = info.provider; 11131 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11132 if (ps == null) { 11133 return null; 11134 } 11135 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11136 ps.readUserState(userId), userId); 11137 if (pi == null) { 11138 return null; 11139 } 11140 final ResolveInfo res = new ResolveInfo(); 11141 res.providerInfo = pi; 11142 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11143 res.filter = filter; 11144 } 11145 res.priority = info.getPriority(); 11146 res.preferredOrder = provider.owner.mPreferredOrder; 11147 res.match = match; 11148 res.isDefault = info.hasDefault; 11149 res.labelRes = info.labelRes; 11150 res.nonLocalizedLabel = info.nonLocalizedLabel; 11151 res.icon = info.icon; 11152 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11153 return res; 11154 } 11155 11156 @Override 11157 protected void sortResults(List<ResolveInfo> results) { 11158 Collections.sort(results, mResolvePrioritySorter); 11159 } 11160 11161 @Override 11162 protected void dumpFilter(PrintWriter out, String prefix, 11163 PackageParser.ProviderIntentInfo filter) { 11164 out.print(prefix); 11165 out.print( 11166 Integer.toHexString(System.identityHashCode(filter.provider))); 11167 out.print(' '); 11168 filter.provider.printComponentShortName(out); 11169 out.print(" filter "); 11170 out.println(Integer.toHexString(System.identityHashCode(filter))); 11171 } 11172 11173 @Override 11174 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11175 return filter.provider; 11176 } 11177 11178 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11179 PackageParser.Provider provider = (PackageParser.Provider)label; 11180 out.print(prefix); out.print( 11181 Integer.toHexString(System.identityHashCode(provider))); 11182 out.print(' '); 11183 provider.printComponentShortName(out); 11184 if (count > 1) { 11185 out.print(" ("); out.print(count); out.print(" filters)"); 11186 } 11187 out.println(); 11188 } 11189 11190 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11191 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11192 private int mFlags; 11193 } 11194 11195 private static final class EphemeralIntentResolver 11196 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11197 @Override 11198 protected EphemeralResolveIntentInfo[] newArray(int size) { 11199 return new EphemeralResolveIntentInfo[size]; 11200 } 11201 11202 @Override 11203 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11204 return true; 11205 } 11206 11207 @Override 11208 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11209 int userId) { 11210 if (!sUserManager.exists(userId)) { 11211 return null; 11212 } 11213 return info.getEphemeralResolveInfo(); 11214 } 11215 } 11216 11217 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11218 new Comparator<ResolveInfo>() { 11219 public int compare(ResolveInfo r1, ResolveInfo r2) { 11220 int v1 = r1.priority; 11221 int v2 = r2.priority; 11222 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11223 if (v1 != v2) { 11224 return (v1 > v2) ? -1 : 1; 11225 } 11226 v1 = r1.preferredOrder; 11227 v2 = r2.preferredOrder; 11228 if (v1 != v2) { 11229 return (v1 > v2) ? -1 : 1; 11230 } 11231 if (r1.isDefault != r2.isDefault) { 11232 return r1.isDefault ? -1 : 1; 11233 } 11234 v1 = r1.match; 11235 v2 = r2.match; 11236 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11237 if (v1 != v2) { 11238 return (v1 > v2) ? -1 : 1; 11239 } 11240 if (r1.system != r2.system) { 11241 return r1.system ? -1 : 1; 11242 } 11243 if (r1.activityInfo != null) { 11244 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11245 } 11246 if (r1.serviceInfo != null) { 11247 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11248 } 11249 if (r1.providerInfo != null) { 11250 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11251 } 11252 return 0; 11253 } 11254 }; 11255 11256 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11257 new Comparator<ProviderInfo>() { 11258 public int compare(ProviderInfo p1, ProviderInfo p2) { 11259 final int v1 = p1.initOrder; 11260 final int v2 = p2.initOrder; 11261 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11262 } 11263 }; 11264 11265 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11266 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11267 final int[] userIds) { 11268 mHandler.post(new Runnable() { 11269 @Override 11270 public void run() { 11271 try { 11272 final IActivityManager am = ActivityManagerNative.getDefault(); 11273 if (am == null) return; 11274 final int[] resolvedUserIds; 11275 if (userIds == null) { 11276 resolvedUserIds = am.getRunningUserIds(); 11277 } else { 11278 resolvedUserIds = userIds; 11279 } 11280 for (int id : resolvedUserIds) { 11281 final Intent intent = new Intent(action, 11282 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11283 if (extras != null) { 11284 intent.putExtras(extras); 11285 } 11286 if (targetPkg != null) { 11287 intent.setPackage(targetPkg); 11288 } 11289 // Modify the UID when posting to other users 11290 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11291 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11292 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11293 intent.putExtra(Intent.EXTRA_UID, uid); 11294 } 11295 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11296 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11297 if (DEBUG_BROADCASTS) { 11298 RuntimeException here = new RuntimeException("here"); 11299 here.fillInStackTrace(); 11300 Slog.d(TAG, "Sending to user " + id + ": " 11301 + intent.toShortString(false, true, false, false) 11302 + " " + intent.getExtras(), here); 11303 } 11304 am.broadcastIntent(null, intent, null, finishedReceiver, 11305 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11306 null, finishedReceiver != null, false, id); 11307 } 11308 } catch (RemoteException ex) { 11309 } 11310 } 11311 }); 11312 } 11313 11314 /** 11315 * Check if the external storage media is available. This is true if there 11316 * is a mounted external storage medium or if the external storage is 11317 * emulated. 11318 */ 11319 private boolean isExternalMediaAvailable() { 11320 return mMediaMounted || Environment.isExternalStorageEmulated(); 11321 } 11322 11323 @Override 11324 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11325 // writer 11326 synchronized (mPackages) { 11327 if (!isExternalMediaAvailable()) { 11328 // If the external storage is no longer mounted at this point, 11329 // the caller may not have been able to delete all of this 11330 // packages files and can not delete any more. Bail. 11331 return null; 11332 } 11333 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11334 if (lastPackage != null) { 11335 pkgs.remove(lastPackage); 11336 } 11337 if (pkgs.size() > 0) { 11338 return pkgs.get(0); 11339 } 11340 } 11341 return null; 11342 } 11343 11344 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11345 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11346 userId, andCode ? 1 : 0, packageName); 11347 if (mSystemReady) { 11348 msg.sendToTarget(); 11349 } else { 11350 if (mPostSystemReadyMessages == null) { 11351 mPostSystemReadyMessages = new ArrayList<>(); 11352 } 11353 mPostSystemReadyMessages.add(msg); 11354 } 11355 } 11356 11357 void startCleaningPackages() { 11358 // reader 11359 if (!isExternalMediaAvailable()) { 11360 return; 11361 } 11362 synchronized (mPackages) { 11363 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11364 return; 11365 } 11366 } 11367 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11368 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11369 IActivityManager am = ActivityManagerNative.getDefault(); 11370 if (am != null) { 11371 try { 11372 am.startService(null, intent, null, mContext.getOpPackageName(), 11373 UserHandle.USER_SYSTEM); 11374 } catch (RemoteException e) { 11375 } 11376 } 11377 } 11378 11379 @Override 11380 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11381 int installFlags, String installerPackageName, int userId) { 11382 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11383 11384 final int callingUid = Binder.getCallingUid(); 11385 enforceCrossUserPermission(callingUid, userId, 11386 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11387 11388 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11389 try { 11390 if (observer != null) { 11391 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11392 } 11393 } catch (RemoteException re) { 11394 } 11395 return; 11396 } 11397 11398 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11399 installFlags |= PackageManager.INSTALL_FROM_ADB; 11400 11401 } else { 11402 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11403 // about installerPackageName. 11404 11405 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11406 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11407 } 11408 11409 UserHandle user; 11410 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11411 user = UserHandle.ALL; 11412 } else { 11413 user = new UserHandle(userId); 11414 } 11415 11416 // Only system components can circumvent runtime permissions when installing. 11417 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11418 && mContext.checkCallingOrSelfPermission(Manifest.permission 11419 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11420 throw new SecurityException("You need the " 11421 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11422 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11423 } 11424 11425 final File originFile = new File(originPath); 11426 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11427 11428 final Message msg = mHandler.obtainMessage(INIT_COPY); 11429 final VerificationInfo verificationInfo = new VerificationInfo( 11430 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11431 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11432 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11433 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11434 null /*certificates*/); 11435 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11436 msg.obj = params; 11437 11438 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11439 System.identityHashCode(msg.obj)); 11440 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11441 System.identityHashCode(msg.obj)); 11442 11443 mHandler.sendMessage(msg); 11444 } 11445 11446 void installStage(String packageName, File stagedDir, String stagedCid, 11447 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11448 String installerPackageName, int installerUid, UserHandle user, 11449 Certificate[][] certificates) { 11450 if (DEBUG_EPHEMERAL) { 11451 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11452 Slog.d(TAG, "Ephemeral install of " + packageName); 11453 } 11454 } 11455 final VerificationInfo verificationInfo = new VerificationInfo( 11456 sessionParams.originatingUri, sessionParams.referrerUri, 11457 sessionParams.originatingUid, installerUid); 11458 11459 final OriginInfo origin; 11460 if (stagedDir != null) { 11461 origin = OriginInfo.fromStagedFile(stagedDir); 11462 } else { 11463 origin = OriginInfo.fromStagedContainer(stagedCid); 11464 } 11465 11466 final Message msg = mHandler.obtainMessage(INIT_COPY); 11467 final InstallParams params = new InstallParams(origin, null, observer, 11468 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11469 verificationInfo, user, sessionParams.abiOverride, 11470 sessionParams.grantedRuntimePermissions, certificates); 11471 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11472 msg.obj = params; 11473 11474 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11475 System.identityHashCode(msg.obj)); 11476 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11477 System.identityHashCode(msg.obj)); 11478 11479 mHandler.sendMessage(msg); 11480 } 11481 11482 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11483 int userId) { 11484 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11485 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11486 } 11487 11488 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11489 int appId, int userId) { 11490 Bundle extras = new Bundle(1); 11491 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11492 11493 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11494 packageName, extras, 0, null, null, new int[] {userId}); 11495 try { 11496 IActivityManager am = ActivityManagerNative.getDefault(); 11497 if (isSystem && am.isUserRunning(userId, 0)) { 11498 // The just-installed/enabled app is bundled on the system, so presumed 11499 // to be able to run automatically without needing an explicit launch. 11500 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11501 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11502 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11503 .setPackage(packageName); 11504 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11505 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11506 } 11507 } catch (RemoteException e) { 11508 // shouldn't happen 11509 Slog.w(TAG, "Unable to bootstrap installed package", e); 11510 } 11511 } 11512 11513 @Override 11514 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11515 int userId) { 11516 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11517 PackageSetting pkgSetting; 11518 final int uid = Binder.getCallingUid(); 11519 enforceCrossUserPermission(uid, userId, 11520 true /* requireFullPermission */, true /* checkShell */, 11521 "setApplicationHiddenSetting for user " + userId); 11522 11523 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11524 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11525 return false; 11526 } 11527 11528 long callingId = Binder.clearCallingIdentity(); 11529 try { 11530 boolean sendAdded = false; 11531 boolean sendRemoved = false; 11532 // writer 11533 synchronized (mPackages) { 11534 pkgSetting = mSettings.mPackages.get(packageName); 11535 if (pkgSetting == null) { 11536 return false; 11537 } 11538 // Do not allow "android" is being disabled 11539 if ("android".equals(packageName)) { 11540 Slog.w(TAG, "Cannot hide package: android"); 11541 return false; 11542 } 11543 // Only allow protected packages to hide themselves. 11544 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11545 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11546 Slog.w(TAG, "Not hiding protected package: " + packageName); 11547 return false; 11548 } 11549 11550 if (pkgSetting.getHidden(userId) != hidden) { 11551 pkgSetting.setHidden(hidden, userId); 11552 mSettings.writePackageRestrictionsLPr(userId); 11553 if (hidden) { 11554 sendRemoved = true; 11555 } else { 11556 sendAdded = true; 11557 } 11558 } 11559 } 11560 if (sendAdded) { 11561 sendPackageAddedForUser(packageName, pkgSetting, userId); 11562 return true; 11563 } 11564 if (sendRemoved) { 11565 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11566 "hiding pkg"); 11567 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11568 return true; 11569 } 11570 } finally { 11571 Binder.restoreCallingIdentity(callingId); 11572 } 11573 return false; 11574 } 11575 11576 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11577 int userId) { 11578 final PackageRemovedInfo info = new PackageRemovedInfo(); 11579 info.removedPackage = packageName; 11580 info.removedUsers = new int[] {userId}; 11581 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11582 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11583 } 11584 11585 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11586 if (pkgList.length > 0) { 11587 Bundle extras = new Bundle(1); 11588 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11589 11590 sendPackageBroadcast( 11591 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11592 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11593 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11594 new int[] {userId}); 11595 } 11596 } 11597 11598 /** 11599 * Returns true if application is not found or there was an error. Otherwise it returns 11600 * the hidden state of the package for the given user. 11601 */ 11602 @Override 11603 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11604 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11605 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11606 true /* requireFullPermission */, false /* checkShell */, 11607 "getApplicationHidden for user " + userId); 11608 PackageSetting pkgSetting; 11609 long callingId = Binder.clearCallingIdentity(); 11610 try { 11611 // writer 11612 synchronized (mPackages) { 11613 pkgSetting = mSettings.mPackages.get(packageName); 11614 if (pkgSetting == null) { 11615 return true; 11616 } 11617 return pkgSetting.getHidden(userId); 11618 } 11619 } finally { 11620 Binder.restoreCallingIdentity(callingId); 11621 } 11622 } 11623 11624 /** 11625 * @hide 11626 */ 11627 @Override 11628 public int installExistingPackageAsUser(String packageName, int userId) { 11629 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11630 null); 11631 PackageSetting pkgSetting; 11632 final int uid = Binder.getCallingUid(); 11633 enforceCrossUserPermission(uid, userId, 11634 true /* requireFullPermission */, true /* checkShell */, 11635 "installExistingPackage for user " + userId); 11636 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11637 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11638 } 11639 11640 long callingId = Binder.clearCallingIdentity(); 11641 try { 11642 boolean installed = false; 11643 11644 // writer 11645 synchronized (mPackages) { 11646 pkgSetting = mSettings.mPackages.get(packageName); 11647 if (pkgSetting == null) { 11648 return PackageManager.INSTALL_FAILED_INVALID_URI; 11649 } 11650 if (!pkgSetting.getInstalled(userId)) { 11651 pkgSetting.setInstalled(true, userId); 11652 pkgSetting.setHidden(false, userId); 11653 mSettings.writePackageRestrictionsLPr(userId); 11654 installed = true; 11655 } 11656 } 11657 11658 if (installed) { 11659 if (pkgSetting.pkg != null) { 11660 synchronized (mInstallLock) { 11661 // We don't need to freeze for a brand new install 11662 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11663 } 11664 } 11665 sendPackageAddedForUser(packageName, pkgSetting, userId); 11666 } 11667 } finally { 11668 Binder.restoreCallingIdentity(callingId); 11669 } 11670 11671 return PackageManager.INSTALL_SUCCEEDED; 11672 } 11673 11674 boolean isUserRestricted(int userId, String restrictionKey) { 11675 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11676 if (restrictions.getBoolean(restrictionKey, false)) { 11677 Log.w(TAG, "User is restricted: " + restrictionKey); 11678 return true; 11679 } 11680 return false; 11681 } 11682 11683 @Override 11684 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11685 int userId) { 11686 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11687 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11688 true /* requireFullPermission */, true /* checkShell */, 11689 "setPackagesSuspended for user " + userId); 11690 11691 if (ArrayUtils.isEmpty(packageNames)) { 11692 return packageNames; 11693 } 11694 11695 // List of package names for whom the suspended state has changed. 11696 List<String> changedPackages = new ArrayList<>(packageNames.length); 11697 // List of package names for whom the suspended state is not set as requested in this 11698 // method. 11699 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11700 long callingId = Binder.clearCallingIdentity(); 11701 try { 11702 for (int i = 0; i < packageNames.length; i++) { 11703 String packageName = packageNames[i]; 11704 boolean changed = false; 11705 final int appId; 11706 synchronized (mPackages) { 11707 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11708 if (pkgSetting == null) { 11709 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11710 + "\". Skipping suspending/un-suspending."); 11711 unactionedPackages.add(packageName); 11712 continue; 11713 } 11714 appId = pkgSetting.appId; 11715 if (pkgSetting.getSuspended(userId) != suspended) { 11716 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11717 unactionedPackages.add(packageName); 11718 continue; 11719 } 11720 pkgSetting.setSuspended(suspended, userId); 11721 mSettings.writePackageRestrictionsLPr(userId); 11722 changed = true; 11723 changedPackages.add(packageName); 11724 } 11725 } 11726 11727 if (changed && suspended) { 11728 killApplication(packageName, UserHandle.getUid(userId, appId), 11729 "suspending package"); 11730 } 11731 } 11732 } finally { 11733 Binder.restoreCallingIdentity(callingId); 11734 } 11735 11736 if (!changedPackages.isEmpty()) { 11737 sendPackagesSuspendedForUser(changedPackages.toArray( 11738 new String[changedPackages.size()]), userId, suspended); 11739 } 11740 11741 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11742 } 11743 11744 @Override 11745 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11746 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11747 true /* requireFullPermission */, false /* checkShell */, 11748 "isPackageSuspendedForUser for user " + userId); 11749 synchronized (mPackages) { 11750 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11751 if (pkgSetting == null) { 11752 throw new IllegalArgumentException("Unknown target package: " + packageName); 11753 } 11754 return pkgSetting.getSuspended(userId); 11755 } 11756 } 11757 11758 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11759 if (isPackageDeviceAdmin(packageName, userId)) { 11760 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11761 + "\": has an active device admin"); 11762 return false; 11763 } 11764 11765 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11766 if (packageName.equals(activeLauncherPackageName)) { 11767 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11768 + "\": contains the active launcher"); 11769 return false; 11770 } 11771 11772 if (packageName.equals(mRequiredInstallerPackage)) { 11773 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11774 + "\": required for package installation"); 11775 return false; 11776 } 11777 11778 if (packageName.equals(mRequiredVerifierPackage)) { 11779 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11780 + "\": required for package verification"); 11781 return false; 11782 } 11783 11784 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11785 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11786 + "\": is the default dialer"); 11787 return false; 11788 } 11789 11790 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11791 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11792 + "\": protected package"); 11793 return false; 11794 } 11795 11796 return true; 11797 } 11798 11799 private String getActiveLauncherPackageName(int userId) { 11800 Intent intent = new Intent(Intent.ACTION_MAIN); 11801 intent.addCategory(Intent.CATEGORY_HOME); 11802 ResolveInfo resolveInfo = resolveIntent( 11803 intent, 11804 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11805 PackageManager.MATCH_DEFAULT_ONLY, 11806 userId); 11807 11808 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11809 } 11810 11811 private String getDefaultDialerPackageName(int userId) { 11812 synchronized (mPackages) { 11813 return mSettings.getDefaultDialerPackageNameLPw(userId); 11814 } 11815 } 11816 11817 @Override 11818 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11819 mContext.enforceCallingOrSelfPermission( 11820 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11821 "Only package verification agents can verify applications"); 11822 11823 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11824 final PackageVerificationResponse response = new PackageVerificationResponse( 11825 verificationCode, Binder.getCallingUid()); 11826 msg.arg1 = id; 11827 msg.obj = response; 11828 mHandler.sendMessage(msg); 11829 } 11830 11831 @Override 11832 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11833 long millisecondsToDelay) { 11834 mContext.enforceCallingOrSelfPermission( 11835 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11836 "Only package verification agents can extend verification timeouts"); 11837 11838 final PackageVerificationState state = mPendingVerification.get(id); 11839 final PackageVerificationResponse response = new PackageVerificationResponse( 11840 verificationCodeAtTimeout, Binder.getCallingUid()); 11841 11842 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11843 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11844 } 11845 if (millisecondsToDelay < 0) { 11846 millisecondsToDelay = 0; 11847 } 11848 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11849 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11850 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11851 } 11852 11853 if ((state != null) && !state.timeoutExtended()) { 11854 state.extendTimeout(); 11855 11856 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11857 msg.arg1 = id; 11858 msg.obj = response; 11859 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11860 } 11861 } 11862 11863 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11864 int verificationCode, UserHandle user) { 11865 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11866 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11867 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11868 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11869 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11870 11871 mContext.sendBroadcastAsUser(intent, user, 11872 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11873 } 11874 11875 private ComponentName matchComponentForVerifier(String packageName, 11876 List<ResolveInfo> receivers) { 11877 ActivityInfo targetReceiver = null; 11878 11879 final int NR = receivers.size(); 11880 for (int i = 0; i < NR; i++) { 11881 final ResolveInfo info = receivers.get(i); 11882 if (info.activityInfo == null) { 11883 continue; 11884 } 11885 11886 if (packageName.equals(info.activityInfo.packageName)) { 11887 targetReceiver = info.activityInfo; 11888 break; 11889 } 11890 } 11891 11892 if (targetReceiver == null) { 11893 return null; 11894 } 11895 11896 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11897 } 11898 11899 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11900 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11901 if (pkgInfo.verifiers.length == 0) { 11902 return null; 11903 } 11904 11905 final int N = pkgInfo.verifiers.length; 11906 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11907 for (int i = 0; i < N; i++) { 11908 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11909 11910 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11911 receivers); 11912 if (comp == null) { 11913 continue; 11914 } 11915 11916 final int verifierUid = getUidForVerifier(verifierInfo); 11917 if (verifierUid == -1) { 11918 continue; 11919 } 11920 11921 if (DEBUG_VERIFY) { 11922 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11923 + " with the correct signature"); 11924 } 11925 sufficientVerifiers.add(comp); 11926 verificationState.addSufficientVerifier(verifierUid); 11927 } 11928 11929 return sufficientVerifiers; 11930 } 11931 11932 private int getUidForVerifier(VerifierInfo verifierInfo) { 11933 synchronized (mPackages) { 11934 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11935 if (pkg == null) { 11936 return -1; 11937 } else if (pkg.mSignatures.length != 1) { 11938 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11939 + " has more than one signature; ignoring"); 11940 return -1; 11941 } 11942 11943 /* 11944 * If the public key of the package's signature does not match 11945 * our expected public key, then this is a different package and 11946 * we should skip. 11947 */ 11948 11949 final byte[] expectedPublicKey; 11950 try { 11951 final Signature verifierSig = pkg.mSignatures[0]; 11952 final PublicKey publicKey = verifierSig.getPublicKey(); 11953 expectedPublicKey = publicKey.getEncoded(); 11954 } catch (CertificateException e) { 11955 return -1; 11956 } 11957 11958 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11959 11960 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11961 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11962 + " does not have the expected public key; ignoring"); 11963 return -1; 11964 } 11965 11966 return pkg.applicationInfo.uid; 11967 } 11968 } 11969 11970 @Override 11971 public void finishPackageInstall(int token, boolean didLaunch) { 11972 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11973 11974 if (DEBUG_INSTALL) { 11975 Slog.v(TAG, "BM finishing package install for " + token); 11976 } 11977 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11978 11979 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11980 mHandler.sendMessage(msg); 11981 } 11982 11983 /** 11984 * Get the verification agent timeout. 11985 * 11986 * @return verification timeout in milliseconds 11987 */ 11988 private long getVerificationTimeout() { 11989 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11990 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11991 DEFAULT_VERIFICATION_TIMEOUT); 11992 } 11993 11994 /** 11995 * Get the default verification agent response code. 11996 * 11997 * @return default verification response code 11998 */ 11999 private int getDefaultVerificationResponse() { 12000 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12001 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12002 DEFAULT_VERIFICATION_RESPONSE); 12003 } 12004 12005 /** 12006 * Check whether or not package verification has been enabled. 12007 * 12008 * @return true if verification should be performed 12009 */ 12010 private boolean isVerificationEnabled(int userId, int installFlags) { 12011 if (!DEFAULT_VERIFY_ENABLE) { 12012 return false; 12013 } 12014 // Ephemeral apps don't get the full verification treatment 12015 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12016 if (DEBUG_EPHEMERAL) { 12017 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12018 } 12019 return false; 12020 } 12021 12022 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12023 12024 // Check if installing from ADB 12025 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12026 // Do not run verification in a test harness environment 12027 if (ActivityManager.isRunningInTestHarness()) { 12028 return false; 12029 } 12030 if (ensureVerifyAppsEnabled) { 12031 return true; 12032 } 12033 // Check if the developer does not want package verification for ADB installs 12034 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12035 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12036 return false; 12037 } 12038 } 12039 12040 if (ensureVerifyAppsEnabled) { 12041 return true; 12042 } 12043 12044 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12045 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12046 } 12047 12048 @Override 12049 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12050 throws RemoteException { 12051 mContext.enforceCallingOrSelfPermission( 12052 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12053 "Only intentfilter verification agents can verify applications"); 12054 12055 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12056 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12057 Binder.getCallingUid(), verificationCode, failedDomains); 12058 msg.arg1 = id; 12059 msg.obj = response; 12060 mHandler.sendMessage(msg); 12061 } 12062 12063 @Override 12064 public int getIntentVerificationStatus(String packageName, int userId) { 12065 synchronized (mPackages) { 12066 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12067 } 12068 } 12069 12070 @Override 12071 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12072 mContext.enforceCallingOrSelfPermission( 12073 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12074 12075 boolean result = false; 12076 synchronized (mPackages) { 12077 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12078 } 12079 if (result) { 12080 scheduleWritePackageRestrictionsLocked(userId); 12081 } 12082 return result; 12083 } 12084 12085 @Override 12086 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12087 String packageName) { 12088 synchronized (mPackages) { 12089 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12090 } 12091 } 12092 12093 @Override 12094 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12095 if (TextUtils.isEmpty(packageName)) { 12096 return ParceledListSlice.emptyList(); 12097 } 12098 synchronized (mPackages) { 12099 PackageParser.Package pkg = mPackages.get(packageName); 12100 if (pkg == null || pkg.activities == null) { 12101 return ParceledListSlice.emptyList(); 12102 } 12103 final int count = pkg.activities.size(); 12104 ArrayList<IntentFilter> result = new ArrayList<>(); 12105 for (int n=0; n<count; n++) { 12106 PackageParser.Activity activity = pkg.activities.get(n); 12107 if (activity.intents != null && activity.intents.size() > 0) { 12108 result.addAll(activity.intents); 12109 } 12110 } 12111 return new ParceledListSlice<>(result); 12112 } 12113 } 12114 12115 @Override 12116 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12117 mContext.enforceCallingOrSelfPermission( 12118 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12119 12120 synchronized (mPackages) { 12121 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12122 if (packageName != null) { 12123 result |= updateIntentVerificationStatus(packageName, 12124 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12125 userId); 12126 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12127 packageName, userId); 12128 } 12129 return result; 12130 } 12131 } 12132 12133 @Override 12134 public String getDefaultBrowserPackageName(int userId) { 12135 synchronized (mPackages) { 12136 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12137 } 12138 } 12139 12140 /** 12141 * Get the "allow unknown sources" setting. 12142 * 12143 * @return the current "allow unknown sources" setting 12144 */ 12145 private int getUnknownSourcesSettings() { 12146 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12147 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12148 -1); 12149 } 12150 12151 @Override 12152 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12153 final int uid = Binder.getCallingUid(); 12154 // writer 12155 synchronized (mPackages) { 12156 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12157 if (targetPackageSetting == null) { 12158 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12159 } 12160 12161 PackageSetting installerPackageSetting; 12162 if (installerPackageName != null) { 12163 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12164 if (installerPackageSetting == null) { 12165 throw new IllegalArgumentException("Unknown installer package: " 12166 + installerPackageName); 12167 } 12168 } else { 12169 installerPackageSetting = null; 12170 } 12171 12172 Signature[] callerSignature; 12173 Object obj = mSettings.getUserIdLPr(uid); 12174 if (obj != null) { 12175 if (obj instanceof SharedUserSetting) { 12176 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12177 } else if (obj instanceof PackageSetting) { 12178 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12179 } else { 12180 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12181 } 12182 } else { 12183 throw new SecurityException("Unknown calling UID: " + uid); 12184 } 12185 12186 // Verify: can't set installerPackageName to a package that is 12187 // not signed with the same cert as the caller. 12188 if (installerPackageSetting != null) { 12189 if (compareSignatures(callerSignature, 12190 installerPackageSetting.signatures.mSignatures) 12191 != PackageManager.SIGNATURE_MATCH) { 12192 throw new SecurityException( 12193 "Caller does not have same cert as new installer package " 12194 + installerPackageName); 12195 } 12196 } 12197 12198 // Verify: if target already has an installer package, it must 12199 // be signed with the same cert as the caller. 12200 if (targetPackageSetting.installerPackageName != null) { 12201 PackageSetting setting = mSettings.mPackages.get( 12202 targetPackageSetting.installerPackageName); 12203 // If the currently set package isn't valid, then it's always 12204 // okay to change it. 12205 if (setting != null) { 12206 if (compareSignatures(callerSignature, 12207 setting.signatures.mSignatures) 12208 != PackageManager.SIGNATURE_MATCH) { 12209 throw new SecurityException( 12210 "Caller does not have same cert as old installer package " 12211 + targetPackageSetting.installerPackageName); 12212 } 12213 } 12214 } 12215 12216 // Okay! 12217 targetPackageSetting.installerPackageName = installerPackageName; 12218 if (installerPackageName != null) { 12219 mSettings.mInstallerPackages.add(installerPackageName); 12220 } 12221 scheduleWriteSettingsLocked(); 12222 } 12223 } 12224 12225 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12226 // Queue up an async operation since the package installation may take a little while. 12227 mHandler.post(new Runnable() { 12228 public void run() { 12229 mHandler.removeCallbacks(this); 12230 // Result object to be returned 12231 PackageInstalledInfo res = new PackageInstalledInfo(); 12232 res.setReturnCode(currentStatus); 12233 res.uid = -1; 12234 res.pkg = null; 12235 res.removedInfo = null; 12236 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12237 args.doPreInstall(res.returnCode); 12238 synchronized (mInstallLock) { 12239 installPackageTracedLI(args, res); 12240 } 12241 args.doPostInstall(res.returnCode, res.uid); 12242 } 12243 12244 // A restore should be performed at this point if (a) the install 12245 // succeeded, (b) the operation is not an update, and (c) the new 12246 // package has not opted out of backup participation. 12247 final boolean update = res.removedInfo != null 12248 && res.removedInfo.removedPackage != null; 12249 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12250 boolean doRestore = !update 12251 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12252 12253 // Set up the post-install work request bookkeeping. This will be used 12254 // and cleaned up by the post-install event handling regardless of whether 12255 // there's a restore pass performed. Token values are >= 1. 12256 int token; 12257 if (mNextInstallToken < 0) mNextInstallToken = 1; 12258 token = mNextInstallToken++; 12259 12260 PostInstallData data = new PostInstallData(args, res); 12261 mRunningInstalls.put(token, data); 12262 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12263 12264 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12265 // Pass responsibility to the Backup Manager. It will perform a 12266 // restore if appropriate, then pass responsibility back to the 12267 // Package Manager to run the post-install observer callbacks 12268 // and broadcasts. 12269 IBackupManager bm = IBackupManager.Stub.asInterface( 12270 ServiceManager.getService(Context.BACKUP_SERVICE)); 12271 if (bm != null) { 12272 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12273 + " to BM for possible restore"); 12274 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12275 try { 12276 // TODO: http://b/22388012 12277 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12278 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12279 } else { 12280 doRestore = false; 12281 } 12282 } catch (RemoteException e) { 12283 // can't happen; the backup manager is local 12284 } catch (Exception e) { 12285 Slog.e(TAG, "Exception trying to enqueue restore", e); 12286 doRestore = false; 12287 } 12288 } else { 12289 Slog.e(TAG, "Backup Manager not found!"); 12290 doRestore = false; 12291 } 12292 } 12293 12294 if (!doRestore) { 12295 // No restore possible, or the Backup Manager was mysteriously not 12296 // available -- just fire the post-install work request directly. 12297 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12298 12299 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12300 12301 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12302 mHandler.sendMessage(msg); 12303 } 12304 } 12305 }); 12306 } 12307 12308 /** 12309 * Callback from PackageSettings whenever an app is first transitioned out of the 12310 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12311 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12312 * here whether the app is the target of an ongoing install, and only send the 12313 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12314 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12315 * handling. 12316 */ 12317 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12318 // Serialize this with the rest of the install-process message chain. In the 12319 // restore-at-install case, this Runnable will necessarily run before the 12320 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12321 // are coherent. In the non-restore case, the app has already completed install 12322 // and been launched through some other means, so it is not in a problematic 12323 // state for observers to see the FIRST_LAUNCH signal. 12324 mHandler.post(new Runnable() { 12325 @Override 12326 public void run() { 12327 for (int i = 0; i < mRunningInstalls.size(); i++) { 12328 final PostInstallData data = mRunningInstalls.valueAt(i); 12329 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12330 // right package; but is it for the right user? 12331 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12332 if (userId == data.res.newUsers[uIndex]) { 12333 if (DEBUG_BACKUP) { 12334 Slog.i(TAG, "Package " + pkgName 12335 + " being restored so deferring FIRST_LAUNCH"); 12336 } 12337 return; 12338 } 12339 } 12340 } 12341 } 12342 // didn't find it, so not being restored 12343 if (DEBUG_BACKUP) { 12344 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12345 } 12346 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12347 } 12348 }); 12349 } 12350 12351 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12352 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12353 installerPkg, null, userIds); 12354 } 12355 12356 private abstract class HandlerParams { 12357 private static final int MAX_RETRIES = 4; 12358 12359 /** 12360 * Number of times startCopy() has been attempted and had a non-fatal 12361 * error. 12362 */ 12363 private int mRetries = 0; 12364 12365 /** User handle for the user requesting the information or installation. */ 12366 private final UserHandle mUser; 12367 String traceMethod; 12368 int traceCookie; 12369 12370 HandlerParams(UserHandle user) { 12371 mUser = user; 12372 } 12373 12374 UserHandle getUser() { 12375 return mUser; 12376 } 12377 12378 HandlerParams setTraceMethod(String traceMethod) { 12379 this.traceMethod = traceMethod; 12380 return this; 12381 } 12382 12383 HandlerParams setTraceCookie(int traceCookie) { 12384 this.traceCookie = traceCookie; 12385 return this; 12386 } 12387 12388 final boolean startCopy() { 12389 boolean res; 12390 try { 12391 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12392 12393 if (++mRetries > MAX_RETRIES) { 12394 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12395 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12396 handleServiceError(); 12397 return false; 12398 } else { 12399 handleStartCopy(); 12400 res = true; 12401 } 12402 } catch (RemoteException e) { 12403 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12404 mHandler.sendEmptyMessage(MCS_RECONNECT); 12405 res = false; 12406 } 12407 handleReturnCode(); 12408 return res; 12409 } 12410 12411 final void serviceError() { 12412 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12413 handleServiceError(); 12414 handleReturnCode(); 12415 } 12416 12417 abstract void handleStartCopy() throws RemoteException; 12418 abstract void handleServiceError(); 12419 abstract void handleReturnCode(); 12420 } 12421 12422 class MeasureParams extends HandlerParams { 12423 private final PackageStats mStats; 12424 private boolean mSuccess; 12425 12426 private final IPackageStatsObserver mObserver; 12427 12428 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12429 super(new UserHandle(stats.userHandle)); 12430 mObserver = observer; 12431 mStats = stats; 12432 } 12433 12434 @Override 12435 public String toString() { 12436 return "MeasureParams{" 12437 + Integer.toHexString(System.identityHashCode(this)) 12438 + " " + mStats.packageName + "}"; 12439 } 12440 12441 @Override 12442 void handleStartCopy() throws RemoteException { 12443 synchronized (mInstallLock) { 12444 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12445 } 12446 12447 if (mSuccess) { 12448 boolean mounted = false; 12449 try { 12450 final String status = Environment.getExternalStorageState(); 12451 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12452 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12453 } catch (Exception e) { 12454 } 12455 12456 if (mounted) { 12457 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12458 12459 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12460 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12461 12462 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12463 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12464 12465 // Always subtract cache size, since it's a subdirectory 12466 mStats.externalDataSize -= mStats.externalCacheSize; 12467 12468 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12469 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12470 12471 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12472 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12473 } 12474 } 12475 } 12476 12477 @Override 12478 void handleReturnCode() { 12479 if (mObserver != null) { 12480 try { 12481 mObserver.onGetStatsCompleted(mStats, mSuccess); 12482 } catch (RemoteException e) { 12483 Slog.i(TAG, "Observer no longer exists."); 12484 } 12485 } 12486 } 12487 12488 @Override 12489 void handleServiceError() { 12490 Slog.e(TAG, "Could not measure application " + mStats.packageName 12491 + " external storage"); 12492 } 12493 } 12494 12495 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12496 throws RemoteException { 12497 long result = 0; 12498 for (File path : paths) { 12499 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12500 } 12501 return result; 12502 } 12503 12504 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12505 for (File path : paths) { 12506 try { 12507 mcs.clearDirectory(path.getAbsolutePath()); 12508 } catch (RemoteException e) { 12509 } 12510 } 12511 } 12512 12513 static class OriginInfo { 12514 /** 12515 * Location where install is coming from, before it has been 12516 * copied/renamed into place. This could be a single monolithic APK 12517 * file, or a cluster directory. This location may be untrusted. 12518 */ 12519 final File file; 12520 final String cid; 12521 12522 /** 12523 * Flag indicating that {@link #file} or {@link #cid} has already been 12524 * staged, meaning downstream users don't need to defensively copy the 12525 * contents. 12526 */ 12527 final boolean staged; 12528 12529 /** 12530 * Flag indicating that {@link #file} or {@link #cid} is an already 12531 * installed app that is being moved. 12532 */ 12533 final boolean existing; 12534 12535 final String resolvedPath; 12536 final File resolvedFile; 12537 12538 static OriginInfo fromNothing() { 12539 return new OriginInfo(null, null, false, false); 12540 } 12541 12542 static OriginInfo fromUntrustedFile(File file) { 12543 return new OriginInfo(file, null, false, false); 12544 } 12545 12546 static OriginInfo fromExistingFile(File file) { 12547 return new OriginInfo(file, null, false, true); 12548 } 12549 12550 static OriginInfo fromStagedFile(File file) { 12551 return new OriginInfo(file, null, true, false); 12552 } 12553 12554 static OriginInfo fromStagedContainer(String cid) { 12555 return new OriginInfo(null, cid, true, false); 12556 } 12557 12558 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12559 this.file = file; 12560 this.cid = cid; 12561 this.staged = staged; 12562 this.existing = existing; 12563 12564 if (cid != null) { 12565 resolvedPath = PackageHelper.getSdDir(cid); 12566 resolvedFile = new File(resolvedPath); 12567 } else if (file != null) { 12568 resolvedPath = file.getAbsolutePath(); 12569 resolvedFile = file; 12570 } else { 12571 resolvedPath = null; 12572 resolvedFile = null; 12573 } 12574 } 12575 } 12576 12577 static class MoveInfo { 12578 final int moveId; 12579 final String fromUuid; 12580 final String toUuid; 12581 final String packageName; 12582 final String dataAppName; 12583 final int appId; 12584 final String seinfo; 12585 final int targetSdkVersion; 12586 12587 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12588 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12589 this.moveId = moveId; 12590 this.fromUuid = fromUuid; 12591 this.toUuid = toUuid; 12592 this.packageName = packageName; 12593 this.dataAppName = dataAppName; 12594 this.appId = appId; 12595 this.seinfo = seinfo; 12596 this.targetSdkVersion = targetSdkVersion; 12597 } 12598 } 12599 12600 static class VerificationInfo { 12601 /** A constant used to indicate that a uid value is not present. */ 12602 public static final int NO_UID = -1; 12603 12604 /** URI referencing where the package was downloaded from. */ 12605 final Uri originatingUri; 12606 12607 /** HTTP referrer URI associated with the originatingURI. */ 12608 final Uri referrer; 12609 12610 /** UID of the application that the install request originated from. */ 12611 final int originatingUid; 12612 12613 /** UID of application requesting the install */ 12614 final int installerUid; 12615 12616 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12617 this.originatingUri = originatingUri; 12618 this.referrer = referrer; 12619 this.originatingUid = originatingUid; 12620 this.installerUid = installerUid; 12621 } 12622 } 12623 12624 class InstallParams extends HandlerParams { 12625 final OriginInfo origin; 12626 final MoveInfo move; 12627 final IPackageInstallObserver2 observer; 12628 int installFlags; 12629 final String installerPackageName; 12630 final String volumeUuid; 12631 private InstallArgs mArgs; 12632 private int mRet; 12633 final String packageAbiOverride; 12634 final String[] grantedRuntimePermissions; 12635 final VerificationInfo verificationInfo; 12636 final Certificate[][] certificates; 12637 12638 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12639 int installFlags, String installerPackageName, String volumeUuid, 12640 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12641 String[] grantedPermissions, Certificate[][] certificates) { 12642 super(user); 12643 this.origin = origin; 12644 this.move = move; 12645 this.observer = observer; 12646 this.installFlags = installFlags; 12647 this.installerPackageName = installerPackageName; 12648 this.volumeUuid = volumeUuid; 12649 this.verificationInfo = verificationInfo; 12650 this.packageAbiOverride = packageAbiOverride; 12651 this.grantedRuntimePermissions = grantedPermissions; 12652 this.certificates = certificates; 12653 } 12654 12655 @Override 12656 public String toString() { 12657 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12658 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12659 } 12660 12661 private int installLocationPolicy(PackageInfoLite pkgLite) { 12662 String packageName = pkgLite.packageName; 12663 int installLocation = pkgLite.installLocation; 12664 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12665 // reader 12666 synchronized (mPackages) { 12667 // Currently installed package which the new package is attempting to replace or 12668 // null if no such package is installed. 12669 PackageParser.Package installedPkg = mPackages.get(packageName); 12670 // Package which currently owns the data which the new package will own if installed. 12671 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12672 // will be null whereas dataOwnerPkg will contain information about the package 12673 // which was uninstalled while keeping its data. 12674 PackageParser.Package dataOwnerPkg = installedPkg; 12675 if (dataOwnerPkg == null) { 12676 PackageSetting ps = mSettings.mPackages.get(packageName); 12677 if (ps != null) { 12678 dataOwnerPkg = ps.pkg; 12679 } 12680 } 12681 12682 if (dataOwnerPkg != null) { 12683 // If installed, the package will get access to data left on the device by its 12684 // predecessor. As a security measure, this is permited only if this is not a 12685 // version downgrade or if the predecessor package is marked as debuggable and 12686 // a downgrade is explicitly requested. 12687 // 12688 // On debuggable platform builds, downgrades are permitted even for 12689 // non-debuggable packages to make testing easier. Debuggable platform builds do 12690 // not offer security guarantees and thus it's OK to disable some security 12691 // mechanisms to make debugging/testing easier on those builds. However, even on 12692 // debuggable builds downgrades of packages are permitted only if requested via 12693 // installFlags. This is because we aim to keep the behavior of debuggable 12694 // platform builds as close as possible to the behavior of non-debuggable 12695 // platform builds. 12696 final boolean downgradeRequested = 12697 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12698 final boolean packageDebuggable = 12699 (dataOwnerPkg.applicationInfo.flags 12700 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12701 final boolean downgradePermitted = 12702 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12703 if (!downgradePermitted) { 12704 try { 12705 checkDowngrade(dataOwnerPkg, pkgLite); 12706 } catch (PackageManagerException e) { 12707 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12708 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12709 } 12710 } 12711 } 12712 12713 if (installedPkg != null) { 12714 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12715 // Check for updated system application. 12716 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12717 if (onSd) { 12718 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12719 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12720 } 12721 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12722 } else { 12723 if (onSd) { 12724 // Install flag overrides everything. 12725 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12726 } 12727 // If current upgrade specifies particular preference 12728 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12729 // Application explicitly specified internal. 12730 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12731 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12732 // App explictly prefers external. Let policy decide 12733 } else { 12734 // Prefer previous location 12735 if (isExternal(installedPkg)) { 12736 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12737 } 12738 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12739 } 12740 } 12741 } else { 12742 // Invalid install. Return error code 12743 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12744 } 12745 } 12746 } 12747 // All the special cases have been taken care of. 12748 // Return result based on recommended install location. 12749 if (onSd) { 12750 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12751 } 12752 return pkgLite.recommendedInstallLocation; 12753 } 12754 12755 /* 12756 * Invoke remote method to get package information and install 12757 * location values. Override install location based on default 12758 * policy if needed and then create install arguments based 12759 * on the install location. 12760 */ 12761 public void handleStartCopy() throws RemoteException { 12762 int ret = PackageManager.INSTALL_SUCCEEDED; 12763 12764 // If we're already staged, we've firmly committed to an install location 12765 if (origin.staged) { 12766 if (origin.file != null) { 12767 installFlags |= PackageManager.INSTALL_INTERNAL; 12768 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12769 } else if (origin.cid != null) { 12770 installFlags |= PackageManager.INSTALL_EXTERNAL; 12771 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12772 } else { 12773 throw new IllegalStateException("Invalid stage location"); 12774 } 12775 } 12776 12777 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12778 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12779 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12780 PackageInfoLite pkgLite = null; 12781 12782 if (onInt && onSd) { 12783 // Check if both bits are set. 12784 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12785 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12786 } else if (onSd && ephemeral) { 12787 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12788 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12789 } else { 12790 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12791 packageAbiOverride); 12792 12793 if (DEBUG_EPHEMERAL && ephemeral) { 12794 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12795 } 12796 12797 /* 12798 * If we have too little free space, try to free cache 12799 * before giving up. 12800 */ 12801 if (!origin.staged && pkgLite.recommendedInstallLocation 12802 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12803 // TODO: focus freeing disk space on the target device 12804 final StorageManager storage = StorageManager.from(mContext); 12805 final long lowThreshold = storage.getStorageLowBytes( 12806 Environment.getDataDirectory()); 12807 12808 final long sizeBytes = mContainerService.calculateInstalledSize( 12809 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12810 12811 try { 12812 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12813 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12814 installFlags, packageAbiOverride); 12815 } catch (InstallerException e) { 12816 Slog.w(TAG, "Failed to free cache", e); 12817 } 12818 12819 /* 12820 * The cache free must have deleted the file we 12821 * downloaded to install. 12822 * 12823 * TODO: fix the "freeCache" call to not delete 12824 * the file we care about. 12825 */ 12826 if (pkgLite.recommendedInstallLocation 12827 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12828 pkgLite.recommendedInstallLocation 12829 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12830 } 12831 } 12832 } 12833 12834 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12835 int loc = pkgLite.recommendedInstallLocation; 12836 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12837 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12838 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12839 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12840 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12841 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12842 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12843 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12844 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12845 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12846 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12847 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12848 } else { 12849 // Override with defaults if needed. 12850 loc = installLocationPolicy(pkgLite); 12851 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12852 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12853 } else if (!onSd && !onInt) { 12854 // Override install location with flags 12855 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12856 // Set the flag to install on external media. 12857 installFlags |= PackageManager.INSTALL_EXTERNAL; 12858 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12859 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12860 if (DEBUG_EPHEMERAL) { 12861 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12862 } 12863 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12864 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12865 |PackageManager.INSTALL_INTERNAL); 12866 } else { 12867 // Make sure the flag for installing on external 12868 // media is unset 12869 installFlags |= PackageManager.INSTALL_INTERNAL; 12870 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12871 } 12872 } 12873 } 12874 } 12875 12876 final InstallArgs args = createInstallArgs(this); 12877 mArgs = args; 12878 12879 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12880 // TODO: http://b/22976637 12881 // Apps installed for "all" users use the device owner to verify the app 12882 UserHandle verifierUser = getUser(); 12883 if (verifierUser == UserHandle.ALL) { 12884 verifierUser = UserHandle.SYSTEM; 12885 } 12886 12887 /* 12888 * Determine if we have any installed package verifiers. If we 12889 * do, then we'll defer to them to verify the packages. 12890 */ 12891 final int requiredUid = mRequiredVerifierPackage == null ? -1 12892 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12893 verifierUser.getIdentifier()); 12894 if (!origin.existing && requiredUid != -1 12895 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12896 final Intent verification = new Intent( 12897 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12898 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12899 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12900 PACKAGE_MIME_TYPE); 12901 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12902 12903 // Query all live verifiers based on current user state 12904 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12905 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12906 12907 if (DEBUG_VERIFY) { 12908 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12909 + verification.toString() + " with " + pkgLite.verifiers.length 12910 + " optional verifiers"); 12911 } 12912 12913 final int verificationId = mPendingVerificationToken++; 12914 12915 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12916 12917 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12918 installerPackageName); 12919 12920 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12921 installFlags); 12922 12923 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12924 pkgLite.packageName); 12925 12926 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12927 pkgLite.versionCode); 12928 12929 if (verificationInfo != null) { 12930 if (verificationInfo.originatingUri != null) { 12931 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12932 verificationInfo.originatingUri); 12933 } 12934 if (verificationInfo.referrer != null) { 12935 verification.putExtra(Intent.EXTRA_REFERRER, 12936 verificationInfo.referrer); 12937 } 12938 if (verificationInfo.originatingUid >= 0) { 12939 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12940 verificationInfo.originatingUid); 12941 } 12942 if (verificationInfo.installerUid >= 0) { 12943 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12944 verificationInfo.installerUid); 12945 } 12946 } 12947 12948 final PackageVerificationState verificationState = new PackageVerificationState( 12949 requiredUid, args); 12950 12951 mPendingVerification.append(verificationId, verificationState); 12952 12953 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12954 receivers, verificationState); 12955 12956 /* 12957 * If any sufficient verifiers were listed in the package 12958 * manifest, attempt to ask them. 12959 */ 12960 if (sufficientVerifiers != null) { 12961 final int N = sufficientVerifiers.size(); 12962 if (N == 0) { 12963 Slog.i(TAG, "Additional verifiers required, but none installed."); 12964 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12965 } else { 12966 for (int i = 0; i < N; i++) { 12967 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12968 12969 final Intent sufficientIntent = new Intent(verification); 12970 sufficientIntent.setComponent(verifierComponent); 12971 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12972 } 12973 } 12974 } 12975 12976 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12977 mRequiredVerifierPackage, receivers); 12978 if (ret == PackageManager.INSTALL_SUCCEEDED 12979 && mRequiredVerifierPackage != null) { 12980 Trace.asyncTraceBegin( 12981 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12982 /* 12983 * Send the intent to the required verification agent, 12984 * but only start the verification timeout after the 12985 * target BroadcastReceivers have run. 12986 */ 12987 verification.setComponent(requiredVerifierComponent); 12988 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12989 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12990 new BroadcastReceiver() { 12991 @Override 12992 public void onReceive(Context context, Intent intent) { 12993 final Message msg = mHandler 12994 .obtainMessage(CHECK_PENDING_VERIFICATION); 12995 msg.arg1 = verificationId; 12996 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12997 } 12998 }, null, 0, null, null); 12999 13000 /* 13001 * We don't want the copy to proceed until verification 13002 * succeeds, so null out this field. 13003 */ 13004 mArgs = null; 13005 } 13006 } else { 13007 /* 13008 * No package verification is enabled, so immediately start 13009 * the remote call to initiate copy using temporary file. 13010 */ 13011 ret = args.copyApk(mContainerService, true); 13012 } 13013 } 13014 13015 mRet = ret; 13016 } 13017 13018 @Override 13019 void handleReturnCode() { 13020 // If mArgs is null, then MCS couldn't be reached. When it 13021 // reconnects, it will try again to install. At that point, this 13022 // will succeed. 13023 if (mArgs != null) { 13024 processPendingInstall(mArgs, mRet); 13025 } 13026 } 13027 13028 @Override 13029 void handleServiceError() { 13030 mArgs = createInstallArgs(this); 13031 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13032 } 13033 13034 public boolean isForwardLocked() { 13035 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13036 } 13037 } 13038 13039 /** 13040 * Used during creation of InstallArgs 13041 * 13042 * @param installFlags package installation flags 13043 * @return true if should be installed on external storage 13044 */ 13045 private static boolean installOnExternalAsec(int installFlags) { 13046 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13047 return false; 13048 } 13049 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13050 return true; 13051 } 13052 return false; 13053 } 13054 13055 /** 13056 * Used during creation of InstallArgs 13057 * 13058 * @param installFlags package installation flags 13059 * @return true if should be installed as forward locked 13060 */ 13061 private static boolean installForwardLocked(int installFlags) { 13062 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13063 } 13064 13065 private InstallArgs createInstallArgs(InstallParams params) { 13066 if (params.move != null) { 13067 return new MoveInstallArgs(params); 13068 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13069 return new AsecInstallArgs(params); 13070 } else { 13071 return new FileInstallArgs(params); 13072 } 13073 } 13074 13075 /** 13076 * Create args that describe an existing installed package. Typically used 13077 * when cleaning up old installs, or used as a move source. 13078 */ 13079 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13080 String resourcePath, String[] instructionSets) { 13081 final boolean isInAsec; 13082 if (installOnExternalAsec(installFlags)) { 13083 /* Apps on SD card are always in ASEC containers. */ 13084 isInAsec = true; 13085 } else if (installForwardLocked(installFlags) 13086 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13087 /* 13088 * Forward-locked apps are only in ASEC containers if they're the 13089 * new style 13090 */ 13091 isInAsec = true; 13092 } else { 13093 isInAsec = false; 13094 } 13095 13096 if (isInAsec) { 13097 return new AsecInstallArgs(codePath, instructionSets, 13098 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13099 } else { 13100 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13101 } 13102 } 13103 13104 static abstract class InstallArgs { 13105 /** @see InstallParams#origin */ 13106 final OriginInfo origin; 13107 /** @see InstallParams#move */ 13108 final MoveInfo move; 13109 13110 final IPackageInstallObserver2 observer; 13111 // Always refers to PackageManager flags only 13112 final int installFlags; 13113 final String installerPackageName; 13114 final String volumeUuid; 13115 final UserHandle user; 13116 final String abiOverride; 13117 final String[] installGrantPermissions; 13118 /** If non-null, drop an async trace when the install completes */ 13119 final String traceMethod; 13120 final int traceCookie; 13121 final Certificate[][] certificates; 13122 13123 // The list of instruction sets supported by this app. This is currently 13124 // only used during the rmdex() phase to clean up resources. We can get rid of this 13125 // if we move dex files under the common app path. 13126 /* nullable */ String[] instructionSets; 13127 13128 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13129 int installFlags, String installerPackageName, String volumeUuid, 13130 UserHandle user, String[] instructionSets, 13131 String abiOverride, String[] installGrantPermissions, 13132 String traceMethod, int traceCookie, Certificate[][] certificates) { 13133 this.origin = origin; 13134 this.move = move; 13135 this.installFlags = installFlags; 13136 this.observer = observer; 13137 this.installerPackageName = installerPackageName; 13138 this.volumeUuid = volumeUuid; 13139 this.user = user; 13140 this.instructionSets = instructionSets; 13141 this.abiOverride = abiOverride; 13142 this.installGrantPermissions = installGrantPermissions; 13143 this.traceMethod = traceMethod; 13144 this.traceCookie = traceCookie; 13145 this.certificates = certificates; 13146 } 13147 13148 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13149 abstract int doPreInstall(int status); 13150 13151 /** 13152 * Rename package into final resting place. All paths on the given 13153 * scanned package should be updated to reflect the rename. 13154 */ 13155 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13156 abstract int doPostInstall(int status, int uid); 13157 13158 /** @see PackageSettingBase#codePathString */ 13159 abstract String getCodePath(); 13160 /** @see PackageSettingBase#resourcePathString */ 13161 abstract String getResourcePath(); 13162 13163 // Need installer lock especially for dex file removal. 13164 abstract void cleanUpResourcesLI(); 13165 abstract boolean doPostDeleteLI(boolean delete); 13166 13167 /** 13168 * Called before the source arguments are copied. This is used mostly 13169 * for MoveParams when it needs to read the source file to put it in the 13170 * destination. 13171 */ 13172 int doPreCopy() { 13173 return PackageManager.INSTALL_SUCCEEDED; 13174 } 13175 13176 /** 13177 * Called after the source arguments are copied. This is used mostly for 13178 * MoveParams when it needs to read the source file to put it in the 13179 * destination. 13180 */ 13181 int doPostCopy(int uid) { 13182 return PackageManager.INSTALL_SUCCEEDED; 13183 } 13184 13185 protected boolean isFwdLocked() { 13186 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13187 } 13188 13189 protected boolean isExternalAsec() { 13190 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13191 } 13192 13193 protected boolean isEphemeral() { 13194 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13195 } 13196 13197 UserHandle getUser() { 13198 return user; 13199 } 13200 } 13201 13202 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13203 if (!allCodePaths.isEmpty()) { 13204 if (instructionSets == null) { 13205 throw new IllegalStateException("instructionSet == null"); 13206 } 13207 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13208 for (String codePath : allCodePaths) { 13209 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13210 try { 13211 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13212 } catch (InstallerException ignored) { 13213 } 13214 } 13215 } 13216 } 13217 } 13218 13219 /** 13220 * Logic to handle installation of non-ASEC applications, including copying 13221 * and renaming logic. 13222 */ 13223 class FileInstallArgs extends InstallArgs { 13224 private File codeFile; 13225 private File resourceFile; 13226 13227 // Example topology: 13228 // /data/app/com.example/base.apk 13229 // /data/app/com.example/split_foo.apk 13230 // /data/app/com.example/lib/arm/libfoo.so 13231 // /data/app/com.example/lib/arm64/libfoo.so 13232 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13233 13234 /** New install */ 13235 FileInstallArgs(InstallParams params) { 13236 super(params.origin, params.move, params.observer, params.installFlags, 13237 params.installerPackageName, params.volumeUuid, 13238 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13239 params.grantedRuntimePermissions, 13240 params.traceMethod, params.traceCookie, params.certificates); 13241 if (isFwdLocked()) { 13242 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13243 } 13244 } 13245 13246 /** Existing install */ 13247 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13248 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13249 null, null, null, 0, null /*certificates*/); 13250 this.codeFile = (codePath != null) ? new File(codePath) : null; 13251 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13252 } 13253 13254 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13255 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13256 try { 13257 return doCopyApk(imcs, temp); 13258 } finally { 13259 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13260 } 13261 } 13262 13263 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13264 if (origin.staged) { 13265 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13266 codeFile = origin.file; 13267 resourceFile = origin.file; 13268 return PackageManager.INSTALL_SUCCEEDED; 13269 } 13270 13271 try { 13272 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13273 final File tempDir = 13274 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13275 codeFile = tempDir; 13276 resourceFile = tempDir; 13277 } catch (IOException e) { 13278 Slog.w(TAG, "Failed to create copy file: " + e); 13279 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13280 } 13281 13282 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13283 @Override 13284 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13285 if (!FileUtils.isValidExtFilename(name)) { 13286 throw new IllegalArgumentException("Invalid filename: " + name); 13287 } 13288 try { 13289 final File file = new File(codeFile, name); 13290 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13291 O_RDWR | O_CREAT, 0644); 13292 Os.chmod(file.getAbsolutePath(), 0644); 13293 return new ParcelFileDescriptor(fd); 13294 } catch (ErrnoException e) { 13295 throw new RemoteException("Failed to open: " + e.getMessage()); 13296 } 13297 } 13298 }; 13299 13300 int ret = PackageManager.INSTALL_SUCCEEDED; 13301 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13302 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13303 Slog.e(TAG, "Failed to copy package"); 13304 return ret; 13305 } 13306 13307 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13308 NativeLibraryHelper.Handle handle = null; 13309 try { 13310 handle = NativeLibraryHelper.Handle.create(codeFile); 13311 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13312 abiOverride); 13313 } catch (IOException e) { 13314 Slog.e(TAG, "Copying native libraries failed", e); 13315 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13316 } finally { 13317 IoUtils.closeQuietly(handle); 13318 } 13319 13320 return ret; 13321 } 13322 13323 int doPreInstall(int status) { 13324 if (status != PackageManager.INSTALL_SUCCEEDED) { 13325 cleanUp(); 13326 } 13327 return status; 13328 } 13329 13330 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13331 if (status != PackageManager.INSTALL_SUCCEEDED) { 13332 cleanUp(); 13333 return false; 13334 } 13335 13336 final File targetDir = codeFile.getParentFile(); 13337 final File beforeCodeFile = codeFile; 13338 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13339 13340 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13341 try { 13342 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13343 } catch (ErrnoException e) { 13344 Slog.w(TAG, "Failed to rename", e); 13345 return false; 13346 } 13347 13348 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13349 Slog.w(TAG, "Failed to restorecon"); 13350 return false; 13351 } 13352 13353 // Reflect the rename internally 13354 codeFile = afterCodeFile; 13355 resourceFile = afterCodeFile; 13356 13357 // Reflect the rename in scanned details 13358 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13359 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13360 afterCodeFile, pkg.baseCodePath)); 13361 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13362 afterCodeFile, pkg.splitCodePaths)); 13363 13364 // Reflect the rename in app info 13365 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13366 pkg.setApplicationInfoCodePath(pkg.codePath); 13367 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13368 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13369 pkg.setApplicationInfoResourcePath(pkg.codePath); 13370 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13371 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13372 13373 return true; 13374 } 13375 13376 int doPostInstall(int status, int uid) { 13377 if (status != PackageManager.INSTALL_SUCCEEDED) { 13378 cleanUp(); 13379 } 13380 return status; 13381 } 13382 13383 @Override 13384 String getCodePath() { 13385 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13386 } 13387 13388 @Override 13389 String getResourcePath() { 13390 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13391 } 13392 13393 private boolean cleanUp() { 13394 if (codeFile == null || !codeFile.exists()) { 13395 return false; 13396 } 13397 13398 removeCodePathLI(codeFile); 13399 13400 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13401 resourceFile.delete(); 13402 } 13403 13404 return true; 13405 } 13406 13407 void cleanUpResourcesLI() { 13408 // Try enumerating all code paths before deleting 13409 List<String> allCodePaths = Collections.EMPTY_LIST; 13410 if (codeFile != null && codeFile.exists()) { 13411 try { 13412 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13413 allCodePaths = pkg.getAllCodePaths(); 13414 } catch (PackageParserException e) { 13415 // Ignored; we tried our best 13416 } 13417 } 13418 13419 cleanUp(); 13420 removeDexFiles(allCodePaths, instructionSets); 13421 } 13422 13423 boolean doPostDeleteLI(boolean delete) { 13424 // XXX err, shouldn't we respect the delete flag? 13425 cleanUpResourcesLI(); 13426 return true; 13427 } 13428 } 13429 13430 private boolean isAsecExternal(String cid) { 13431 final String asecPath = PackageHelper.getSdFilesystem(cid); 13432 return !asecPath.startsWith(mAsecInternalPath); 13433 } 13434 13435 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13436 PackageManagerException { 13437 if (copyRet < 0) { 13438 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13439 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13440 throw new PackageManagerException(copyRet, message); 13441 } 13442 } 13443 } 13444 13445 /** 13446 * Extract the MountService "container ID" from the full code path of an 13447 * .apk. 13448 */ 13449 static String cidFromCodePath(String fullCodePath) { 13450 int eidx = fullCodePath.lastIndexOf("/"); 13451 String subStr1 = fullCodePath.substring(0, eidx); 13452 int sidx = subStr1.lastIndexOf("/"); 13453 return subStr1.substring(sidx+1, eidx); 13454 } 13455 13456 /** 13457 * Logic to handle installation of ASEC applications, including copying and 13458 * renaming logic. 13459 */ 13460 class AsecInstallArgs extends InstallArgs { 13461 static final String RES_FILE_NAME = "pkg.apk"; 13462 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13463 13464 String cid; 13465 String packagePath; 13466 String resourcePath; 13467 13468 /** New install */ 13469 AsecInstallArgs(InstallParams params) { 13470 super(params.origin, params.move, params.observer, params.installFlags, 13471 params.installerPackageName, params.volumeUuid, 13472 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13473 params.grantedRuntimePermissions, 13474 params.traceMethod, params.traceCookie, params.certificates); 13475 } 13476 13477 /** Existing install */ 13478 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13479 boolean isExternal, boolean isForwardLocked) { 13480 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13481 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13482 instructionSets, null, null, null, 0, null /*certificates*/); 13483 // Hackily pretend we're still looking at a full code path 13484 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13485 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13486 } 13487 13488 // Extract cid from fullCodePath 13489 int eidx = fullCodePath.lastIndexOf("/"); 13490 String subStr1 = fullCodePath.substring(0, eidx); 13491 int sidx = subStr1.lastIndexOf("/"); 13492 cid = subStr1.substring(sidx+1, eidx); 13493 setMountPath(subStr1); 13494 } 13495 13496 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13497 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13498 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13499 instructionSets, null, null, null, 0, null /*certificates*/); 13500 this.cid = cid; 13501 setMountPath(PackageHelper.getSdDir(cid)); 13502 } 13503 13504 void createCopyFile() { 13505 cid = mInstallerService.allocateExternalStageCidLegacy(); 13506 } 13507 13508 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13509 if (origin.staged && origin.cid != null) { 13510 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13511 cid = origin.cid; 13512 setMountPath(PackageHelper.getSdDir(cid)); 13513 return PackageManager.INSTALL_SUCCEEDED; 13514 } 13515 13516 if (temp) { 13517 createCopyFile(); 13518 } else { 13519 /* 13520 * Pre-emptively destroy the container since it's destroyed if 13521 * copying fails due to it existing anyway. 13522 */ 13523 PackageHelper.destroySdDir(cid); 13524 } 13525 13526 final String newMountPath = imcs.copyPackageToContainer( 13527 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13528 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13529 13530 if (newMountPath != null) { 13531 setMountPath(newMountPath); 13532 return PackageManager.INSTALL_SUCCEEDED; 13533 } else { 13534 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13535 } 13536 } 13537 13538 @Override 13539 String getCodePath() { 13540 return packagePath; 13541 } 13542 13543 @Override 13544 String getResourcePath() { 13545 return resourcePath; 13546 } 13547 13548 int doPreInstall(int status) { 13549 if (status != PackageManager.INSTALL_SUCCEEDED) { 13550 // Destroy container 13551 PackageHelper.destroySdDir(cid); 13552 } else { 13553 boolean mounted = PackageHelper.isContainerMounted(cid); 13554 if (!mounted) { 13555 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13556 Process.SYSTEM_UID); 13557 if (newMountPath != null) { 13558 setMountPath(newMountPath); 13559 } else { 13560 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13561 } 13562 } 13563 } 13564 return status; 13565 } 13566 13567 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13568 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13569 String newMountPath = null; 13570 if (PackageHelper.isContainerMounted(cid)) { 13571 // Unmount the container 13572 if (!PackageHelper.unMountSdDir(cid)) { 13573 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13574 return false; 13575 } 13576 } 13577 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13578 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13579 " which might be stale. Will try to clean up."); 13580 // Clean up the stale container and proceed to recreate. 13581 if (!PackageHelper.destroySdDir(newCacheId)) { 13582 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13583 return false; 13584 } 13585 // Successfully cleaned up stale container. Try to rename again. 13586 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13587 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13588 + " inspite of cleaning it up."); 13589 return false; 13590 } 13591 } 13592 if (!PackageHelper.isContainerMounted(newCacheId)) { 13593 Slog.w(TAG, "Mounting container " + newCacheId); 13594 newMountPath = PackageHelper.mountSdDir(newCacheId, 13595 getEncryptKey(), Process.SYSTEM_UID); 13596 } else { 13597 newMountPath = PackageHelper.getSdDir(newCacheId); 13598 } 13599 if (newMountPath == null) { 13600 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13601 return false; 13602 } 13603 Log.i(TAG, "Succesfully renamed " + cid + 13604 " to " + newCacheId + 13605 " at new path: " + newMountPath); 13606 cid = newCacheId; 13607 13608 final File beforeCodeFile = new File(packagePath); 13609 setMountPath(newMountPath); 13610 final File afterCodeFile = new File(packagePath); 13611 13612 // Reflect the rename in scanned details 13613 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13614 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13615 afterCodeFile, pkg.baseCodePath)); 13616 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13617 afterCodeFile, pkg.splitCodePaths)); 13618 13619 // Reflect the rename in app info 13620 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13621 pkg.setApplicationInfoCodePath(pkg.codePath); 13622 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13623 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13624 pkg.setApplicationInfoResourcePath(pkg.codePath); 13625 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13626 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13627 13628 return true; 13629 } 13630 13631 private void setMountPath(String mountPath) { 13632 final File mountFile = new File(mountPath); 13633 13634 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13635 if (monolithicFile.exists()) { 13636 packagePath = monolithicFile.getAbsolutePath(); 13637 if (isFwdLocked()) { 13638 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13639 } else { 13640 resourcePath = packagePath; 13641 } 13642 } else { 13643 packagePath = mountFile.getAbsolutePath(); 13644 resourcePath = packagePath; 13645 } 13646 } 13647 13648 int doPostInstall(int status, int uid) { 13649 if (status != PackageManager.INSTALL_SUCCEEDED) { 13650 cleanUp(); 13651 } else { 13652 final int groupOwner; 13653 final String protectedFile; 13654 if (isFwdLocked()) { 13655 groupOwner = UserHandle.getSharedAppGid(uid); 13656 protectedFile = RES_FILE_NAME; 13657 } else { 13658 groupOwner = -1; 13659 protectedFile = null; 13660 } 13661 13662 if (uid < Process.FIRST_APPLICATION_UID 13663 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13664 Slog.e(TAG, "Failed to finalize " + cid); 13665 PackageHelper.destroySdDir(cid); 13666 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13667 } 13668 13669 boolean mounted = PackageHelper.isContainerMounted(cid); 13670 if (!mounted) { 13671 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13672 } 13673 } 13674 return status; 13675 } 13676 13677 private void cleanUp() { 13678 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13679 13680 // Destroy secure container 13681 PackageHelper.destroySdDir(cid); 13682 } 13683 13684 private List<String> getAllCodePaths() { 13685 final File codeFile = new File(getCodePath()); 13686 if (codeFile != null && codeFile.exists()) { 13687 try { 13688 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13689 return pkg.getAllCodePaths(); 13690 } catch (PackageParserException e) { 13691 // Ignored; we tried our best 13692 } 13693 } 13694 return Collections.EMPTY_LIST; 13695 } 13696 13697 void cleanUpResourcesLI() { 13698 // Enumerate all code paths before deleting 13699 cleanUpResourcesLI(getAllCodePaths()); 13700 } 13701 13702 private void cleanUpResourcesLI(List<String> allCodePaths) { 13703 cleanUp(); 13704 removeDexFiles(allCodePaths, instructionSets); 13705 } 13706 13707 String getPackageName() { 13708 return getAsecPackageName(cid); 13709 } 13710 13711 boolean doPostDeleteLI(boolean delete) { 13712 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13713 final List<String> allCodePaths = getAllCodePaths(); 13714 boolean mounted = PackageHelper.isContainerMounted(cid); 13715 if (mounted) { 13716 // Unmount first 13717 if (PackageHelper.unMountSdDir(cid)) { 13718 mounted = false; 13719 } 13720 } 13721 if (!mounted && delete) { 13722 cleanUpResourcesLI(allCodePaths); 13723 } 13724 return !mounted; 13725 } 13726 13727 @Override 13728 int doPreCopy() { 13729 if (isFwdLocked()) { 13730 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13731 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13732 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13733 } 13734 } 13735 13736 return PackageManager.INSTALL_SUCCEEDED; 13737 } 13738 13739 @Override 13740 int doPostCopy(int uid) { 13741 if (isFwdLocked()) { 13742 if (uid < Process.FIRST_APPLICATION_UID 13743 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13744 RES_FILE_NAME)) { 13745 Slog.e(TAG, "Failed to finalize " + cid); 13746 PackageHelper.destroySdDir(cid); 13747 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13748 } 13749 } 13750 13751 return PackageManager.INSTALL_SUCCEEDED; 13752 } 13753 } 13754 13755 /** 13756 * Logic to handle movement of existing installed applications. 13757 */ 13758 class MoveInstallArgs extends InstallArgs { 13759 private File codeFile; 13760 private File resourceFile; 13761 13762 /** New install */ 13763 MoveInstallArgs(InstallParams params) { 13764 super(params.origin, params.move, params.observer, params.installFlags, 13765 params.installerPackageName, params.volumeUuid, 13766 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13767 params.grantedRuntimePermissions, 13768 params.traceMethod, params.traceCookie, params.certificates); 13769 } 13770 13771 int copyApk(IMediaContainerService imcs, boolean temp) { 13772 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13773 + move.fromUuid + " to " + move.toUuid); 13774 synchronized (mInstaller) { 13775 try { 13776 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13777 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13778 } catch (InstallerException e) { 13779 Slog.w(TAG, "Failed to move app", e); 13780 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13781 } 13782 } 13783 13784 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13785 resourceFile = codeFile; 13786 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13787 13788 return PackageManager.INSTALL_SUCCEEDED; 13789 } 13790 13791 int doPreInstall(int status) { 13792 if (status != PackageManager.INSTALL_SUCCEEDED) { 13793 cleanUp(move.toUuid); 13794 } 13795 return status; 13796 } 13797 13798 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13799 if (status != PackageManager.INSTALL_SUCCEEDED) { 13800 cleanUp(move.toUuid); 13801 return false; 13802 } 13803 13804 // Reflect the move in app info 13805 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13806 pkg.setApplicationInfoCodePath(pkg.codePath); 13807 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13808 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13809 pkg.setApplicationInfoResourcePath(pkg.codePath); 13810 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13811 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13812 13813 return true; 13814 } 13815 13816 int doPostInstall(int status, int uid) { 13817 if (status == PackageManager.INSTALL_SUCCEEDED) { 13818 cleanUp(move.fromUuid); 13819 } else { 13820 cleanUp(move.toUuid); 13821 } 13822 return status; 13823 } 13824 13825 @Override 13826 String getCodePath() { 13827 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13828 } 13829 13830 @Override 13831 String getResourcePath() { 13832 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13833 } 13834 13835 private boolean cleanUp(String volumeUuid) { 13836 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13837 move.dataAppName); 13838 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13839 final int[] userIds = sUserManager.getUserIds(); 13840 synchronized (mInstallLock) { 13841 // Clean up both app data and code 13842 // All package moves are frozen until finished 13843 for (int userId : userIds) { 13844 try { 13845 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13846 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13847 } catch (InstallerException e) { 13848 Slog.w(TAG, String.valueOf(e)); 13849 } 13850 } 13851 removeCodePathLI(codeFile); 13852 } 13853 return true; 13854 } 13855 13856 void cleanUpResourcesLI() { 13857 throw new UnsupportedOperationException(); 13858 } 13859 13860 boolean doPostDeleteLI(boolean delete) { 13861 throw new UnsupportedOperationException(); 13862 } 13863 } 13864 13865 static String getAsecPackageName(String packageCid) { 13866 int idx = packageCid.lastIndexOf("-"); 13867 if (idx == -1) { 13868 return packageCid; 13869 } 13870 return packageCid.substring(0, idx); 13871 } 13872 13873 // Utility method used to create code paths based on package name and available index. 13874 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13875 String idxStr = ""; 13876 int idx = 1; 13877 // Fall back to default value of idx=1 if prefix is not 13878 // part of oldCodePath 13879 if (oldCodePath != null) { 13880 String subStr = oldCodePath; 13881 // Drop the suffix right away 13882 if (suffix != null && subStr.endsWith(suffix)) { 13883 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13884 } 13885 // If oldCodePath already contains prefix find out the 13886 // ending index to either increment or decrement. 13887 int sidx = subStr.lastIndexOf(prefix); 13888 if (sidx != -1) { 13889 subStr = subStr.substring(sidx + prefix.length()); 13890 if (subStr != null) { 13891 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13892 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13893 } 13894 try { 13895 idx = Integer.parseInt(subStr); 13896 if (idx <= 1) { 13897 idx++; 13898 } else { 13899 idx--; 13900 } 13901 } catch(NumberFormatException e) { 13902 } 13903 } 13904 } 13905 } 13906 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13907 return prefix + idxStr; 13908 } 13909 13910 private File getNextCodePath(File targetDir, String packageName) { 13911 int suffix = 1; 13912 File result; 13913 do { 13914 result = new File(targetDir, packageName + "-" + suffix); 13915 suffix++; 13916 } while (result.exists()); 13917 return result; 13918 } 13919 13920 // Utility method that returns the relative package path with respect 13921 // to the installation directory. Like say for /data/data/com.test-1.apk 13922 // string com.test-1 is returned. 13923 static String deriveCodePathName(String codePath) { 13924 if (codePath == null) { 13925 return null; 13926 } 13927 final File codeFile = new File(codePath); 13928 final String name = codeFile.getName(); 13929 if (codeFile.isDirectory()) { 13930 return name; 13931 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13932 final int lastDot = name.lastIndexOf('.'); 13933 return name.substring(0, lastDot); 13934 } else { 13935 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13936 return null; 13937 } 13938 } 13939 13940 static class PackageInstalledInfo { 13941 String name; 13942 int uid; 13943 // The set of users that originally had this package installed. 13944 int[] origUsers; 13945 // The set of users that now have this package installed. 13946 int[] newUsers; 13947 PackageParser.Package pkg; 13948 int returnCode; 13949 String returnMsg; 13950 PackageRemovedInfo removedInfo; 13951 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13952 13953 public void setError(int code, String msg) { 13954 setReturnCode(code); 13955 setReturnMessage(msg); 13956 Slog.w(TAG, msg); 13957 } 13958 13959 public void setError(String msg, PackageParserException e) { 13960 setReturnCode(e.error); 13961 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13962 Slog.w(TAG, msg, e); 13963 } 13964 13965 public void setError(String msg, PackageManagerException e) { 13966 returnCode = e.error; 13967 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13968 Slog.w(TAG, msg, e); 13969 } 13970 13971 public void setReturnCode(int returnCode) { 13972 this.returnCode = returnCode; 13973 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13974 for (int i = 0; i < childCount; i++) { 13975 addedChildPackages.valueAt(i).returnCode = returnCode; 13976 } 13977 } 13978 13979 private void setReturnMessage(String returnMsg) { 13980 this.returnMsg = returnMsg; 13981 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13982 for (int i = 0; i < childCount; i++) { 13983 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13984 } 13985 } 13986 13987 // In some error cases we want to convey more info back to the observer 13988 String origPackage; 13989 String origPermission; 13990 } 13991 13992 /* 13993 * Install a non-existing package. 13994 */ 13995 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13996 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13997 PackageInstalledInfo res) { 13998 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13999 14000 // Remember this for later, in case we need to rollback this install 14001 String pkgName = pkg.packageName; 14002 14003 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14004 14005 synchronized(mPackages) { 14006 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14007 // A package with the same name is already installed, though 14008 // it has been renamed to an older name. The package we 14009 // are trying to install should be installed as an update to 14010 // the existing one, but that has not been requested, so bail. 14011 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14012 + " without first uninstalling package running as " 14013 + mSettings.mRenamedPackages.get(pkgName)); 14014 return; 14015 } 14016 if (mPackages.containsKey(pkgName)) { 14017 // Don't allow installation over an existing package with the same name. 14018 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14019 + " without first uninstalling."); 14020 return; 14021 } 14022 } 14023 14024 try { 14025 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14026 System.currentTimeMillis(), user); 14027 14028 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14029 14030 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14031 prepareAppDataAfterInstallLIF(newPackage); 14032 14033 } else { 14034 // Remove package from internal structures, but keep around any 14035 // data that might have already existed 14036 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14037 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14038 } 14039 } catch (PackageManagerException e) { 14040 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14041 } 14042 14043 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14044 } 14045 14046 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14047 // Can't rotate keys during boot or if sharedUser. 14048 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14049 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14050 return false; 14051 } 14052 // app is using upgradeKeySets; make sure all are valid 14053 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14054 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14055 for (int i = 0; i < upgradeKeySets.length; i++) { 14056 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14057 Slog.wtf(TAG, "Package " 14058 + (oldPs.name != null ? oldPs.name : "<null>") 14059 + " contains upgrade-key-set reference to unknown key-set: " 14060 + upgradeKeySets[i] 14061 + " reverting to signatures check."); 14062 return false; 14063 } 14064 } 14065 return true; 14066 } 14067 14068 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14069 // Upgrade keysets are being used. Determine if new package has a superset of the 14070 // required keys. 14071 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14072 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14073 for (int i = 0; i < upgradeKeySets.length; i++) { 14074 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14075 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14076 return true; 14077 } 14078 } 14079 return false; 14080 } 14081 14082 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14083 try (DigestInputStream digestStream = 14084 new DigestInputStream(new FileInputStream(file), digest)) { 14085 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14086 } 14087 } 14088 14089 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14090 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14091 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14092 14093 final PackageParser.Package oldPackage; 14094 final String pkgName = pkg.packageName; 14095 final int[] allUsers; 14096 final int[] installedUsers; 14097 14098 synchronized(mPackages) { 14099 oldPackage = mPackages.get(pkgName); 14100 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14101 14102 // don't allow upgrade to target a release SDK from a pre-release SDK 14103 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14104 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14105 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14106 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14107 if (oldTargetsPreRelease 14108 && !newTargetsPreRelease 14109 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14110 Slog.w(TAG, "Can't install package targeting released sdk"); 14111 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14112 return; 14113 } 14114 14115 // don't allow an upgrade from full to ephemeral 14116 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14117 if (isEphemeral && !oldIsEphemeral) { 14118 // can't downgrade from full to ephemeral 14119 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14120 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14121 return; 14122 } 14123 14124 // verify signatures are valid 14125 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14126 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14127 if (!checkUpgradeKeySetLP(ps, pkg)) { 14128 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14129 "New package not signed by keys specified by upgrade-keysets: " 14130 + pkgName); 14131 return; 14132 } 14133 } else { 14134 // default to original signature matching 14135 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14136 != PackageManager.SIGNATURE_MATCH) { 14137 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14138 "New package has a different signature: " + pkgName); 14139 return; 14140 } 14141 } 14142 14143 // don't allow a system upgrade unless the upgrade hash matches 14144 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14145 byte[] digestBytes = null; 14146 try { 14147 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14148 updateDigest(digest, new File(pkg.baseCodePath)); 14149 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14150 for (String path : pkg.splitCodePaths) { 14151 updateDigest(digest, new File(path)); 14152 } 14153 } 14154 digestBytes = digest.digest(); 14155 } catch (NoSuchAlgorithmException | IOException e) { 14156 res.setError(INSTALL_FAILED_INVALID_APK, 14157 "Could not compute hash: " + pkgName); 14158 return; 14159 } 14160 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14161 res.setError(INSTALL_FAILED_INVALID_APK, 14162 "New package fails restrict-update check: " + pkgName); 14163 return; 14164 } 14165 // retain upgrade restriction 14166 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14167 } 14168 14169 // Check for shared user id changes 14170 String invalidPackageName = 14171 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14172 if (invalidPackageName != null) { 14173 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14174 "Package " + invalidPackageName + " tried to change user " 14175 + oldPackage.mSharedUserId); 14176 return; 14177 } 14178 14179 // In case of rollback, remember per-user/profile install state 14180 allUsers = sUserManager.getUserIds(); 14181 installedUsers = ps.queryInstalledUsers(allUsers, true); 14182 } 14183 14184 // Update what is removed 14185 res.removedInfo = new PackageRemovedInfo(); 14186 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14187 res.removedInfo.removedPackage = oldPackage.packageName; 14188 res.removedInfo.isUpdate = true; 14189 res.removedInfo.origUsers = installedUsers; 14190 final int childCount = (oldPackage.childPackages != null) 14191 ? oldPackage.childPackages.size() : 0; 14192 for (int i = 0; i < childCount; i++) { 14193 boolean childPackageUpdated = false; 14194 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14195 if (res.addedChildPackages != null) { 14196 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14197 if (childRes != null) { 14198 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14199 childRes.removedInfo.removedPackage = childPkg.packageName; 14200 childRes.removedInfo.isUpdate = true; 14201 childPackageUpdated = true; 14202 } 14203 } 14204 if (!childPackageUpdated) { 14205 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14206 childRemovedRes.removedPackage = childPkg.packageName; 14207 childRemovedRes.isUpdate = false; 14208 childRemovedRes.dataRemoved = true; 14209 synchronized (mPackages) { 14210 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14211 if (childPs != null) { 14212 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14213 } 14214 } 14215 if (res.removedInfo.removedChildPackages == null) { 14216 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14217 } 14218 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14219 } 14220 } 14221 14222 boolean sysPkg = (isSystemApp(oldPackage)); 14223 if (sysPkg) { 14224 // Set the system/privileged flags as needed 14225 final boolean privileged = 14226 (oldPackage.applicationInfo.privateFlags 14227 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14228 final int systemPolicyFlags = policyFlags 14229 | PackageParser.PARSE_IS_SYSTEM 14230 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14231 14232 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14233 user, allUsers, installerPackageName, res); 14234 } else { 14235 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14236 user, allUsers, installerPackageName, res); 14237 } 14238 } 14239 14240 public List<String> getPreviousCodePaths(String packageName) { 14241 final PackageSetting ps = mSettings.mPackages.get(packageName); 14242 final List<String> result = new ArrayList<String>(); 14243 if (ps != null && ps.oldCodePaths != null) { 14244 result.addAll(ps.oldCodePaths); 14245 } 14246 return result; 14247 } 14248 14249 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14250 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14251 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14252 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14253 + deletedPackage); 14254 14255 String pkgName = deletedPackage.packageName; 14256 boolean deletedPkg = true; 14257 boolean addedPkg = false; 14258 boolean updatedSettings = false; 14259 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14260 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14261 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14262 14263 final long origUpdateTime = (pkg.mExtras != null) 14264 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14265 14266 // First delete the existing package while retaining the data directory 14267 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14268 res.removedInfo, true, pkg)) { 14269 // If the existing package wasn't successfully deleted 14270 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14271 deletedPkg = false; 14272 } else { 14273 // Successfully deleted the old package; proceed with replace. 14274 14275 // If deleted package lived in a container, give users a chance to 14276 // relinquish resources before killing. 14277 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14278 if (DEBUG_INSTALL) { 14279 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14280 } 14281 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14282 final ArrayList<String> pkgList = new ArrayList<String>(1); 14283 pkgList.add(deletedPackage.applicationInfo.packageName); 14284 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14285 } 14286 14287 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14288 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14289 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14290 14291 try { 14292 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14293 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14294 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14295 14296 // Update the in-memory copy of the previous code paths. 14297 PackageSetting ps = mSettings.mPackages.get(pkgName); 14298 if (!killApp) { 14299 if (ps.oldCodePaths == null) { 14300 ps.oldCodePaths = new ArraySet<>(); 14301 } 14302 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14303 if (deletedPackage.splitCodePaths != null) { 14304 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14305 } 14306 } else { 14307 ps.oldCodePaths = null; 14308 } 14309 if (ps.childPackageNames != null) { 14310 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14311 final String childPkgName = ps.childPackageNames.get(i); 14312 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14313 childPs.oldCodePaths = ps.oldCodePaths; 14314 } 14315 } 14316 prepareAppDataAfterInstallLIF(newPackage); 14317 addedPkg = true; 14318 } catch (PackageManagerException e) { 14319 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14320 } 14321 } 14322 14323 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14324 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14325 14326 // Revert all internal state mutations and added folders for the failed install 14327 if (addedPkg) { 14328 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14329 res.removedInfo, true, null); 14330 } 14331 14332 // Restore the old package 14333 if (deletedPkg) { 14334 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14335 File restoreFile = new File(deletedPackage.codePath); 14336 // Parse old package 14337 boolean oldExternal = isExternal(deletedPackage); 14338 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14339 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14340 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14341 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14342 try { 14343 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14344 null); 14345 } catch (PackageManagerException e) { 14346 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14347 + e.getMessage()); 14348 return; 14349 } 14350 14351 synchronized (mPackages) { 14352 // Ensure the installer package name up to date 14353 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14354 14355 // Update permissions for restored package 14356 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14357 14358 mSettings.writeLPr(); 14359 } 14360 14361 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14362 } 14363 } else { 14364 synchronized (mPackages) { 14365 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14366 if (ps != null) { 14367 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14368 if (res.removedInfo.removedChildPackages != null) { 14369 final int childCount = res.removedInfo.removedChildPackages.size(); 14370 // Iterate in reverse as we may modify the collection 14371 for (int i = childCount - 1; i >= 0; i--) { 14372 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14373 if (res.addedChildPackages.containsKey(childPackageName)) { 14374 res.removedInfo.removedChildPackages.removeAt(i); 14375 } else { 14376 PackageRemovedInfo childInfo = res.removedInfo 14377 .removedChildPackages.valueAt(i); 14378 childInfo.removedForAllUsers = mPackages.get( 14379 childInfo.removedPackage) == null; 14380 } 14381 } 14382 } 14383 } 14384 } 14385 } 14386 } 14387 14388 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14389 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14390 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14391 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14392 + ", old=" + deletedPackage); 14393 14394 final boolean disabledSystem; 14395 14396 // Remove existing system package 14397 removePackageLI(deletedPackage, true); 14398 14399 synchronized (mPackages) { 14400 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14401 } 14402 if (!disabledSystem) { 14403 // We didn't need to disable the .apk as a current system package, 14404 // which means we are replacing another update that is already 14405 // installed. We need to make sure to delete the older one's .apk. 14406 res.removedInfo.args = createInstallArgsForExisting(0, 14407 deletedPackage.applicationInfo.getCodePath(), 14408 deletedPackage.applicationInfo.getResourcePath(), 14409 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14410 } else { 14411 res.removedInfo.args = null; 14412 } 14413 14414 // Successfully disabled the old package. Now proceed with re-installation 14415 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14416 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14417 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14418 14419 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14420 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14421 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14422 14423 PackageParser.Package newPackage = null; 14424 try { 14425 // Add the package to the internal data structures 14426 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14427 14428 // Set the update and install times 14429 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14430 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14431 System.currentTimeMillis()); 14432 14433 // Update the package dynamic state if succeeded 14434 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14435 // Now that the install succeeded make sure we remove data 14436 // directories for any child package the update removed. 14437 final int deletedChildCount = (deletedPackage.childPackages != null) 14438 ? deletedPackage.childPackages.size() : 0; 14439 final int newChildCount = (newPackage.childPackages != null) 14440 ? newPackage.childPackages.size() : 0; 14441 for (int i = 0; i < deletedChildCount; i++) { 14442 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14443 boolean childPackageDeleted = true; 14444 for (int j = 0; j < newChildCount; j++) { 14445 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14446 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14447 childPackageDeleted = false; 14448 break; 14449 } 14450 } 14451 if (childPackageDeleted) { 14452 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14453 deletedChildPkg.packageName); 14454 if (ps != null && res.removedInfo.removedChildPackages != null) { 14455 PackageRemovedInfo removedChildRes = res.removedInfo 14456 .removedChildPackages.get(deletedChildPkg.packageName); 14457 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14458 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14459 } 14460 } 14461 } 14462 14463 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14464 prepareAppDataAfterInstallLIF(newPackage); 14465 } 14466 } catch (PackageManagerException e) { 14467 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14468 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14469 } 14470 14471 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14472 // Re installation failed. Restore old information 14473 // Remove new pkg information 14474 if (newPackage != null) { 14475 removeInstalledPackageLI(newPackage, true); 14476 } 14477 // Add back the old system package 14478 try { 14479 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14480 } catch (PackageManagerException e) { 14481 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14482 } 14483 14484 synchronized (mPackages) { 14485 if (disabledSystem) { 14486 enableSystemPackageLPw(deletedPackage); 14487 } 14488 14489 // Ensure the installer package name up to date 14490 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14491 14492 // Update permissions for restored package 14493 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14494 14495 mSettings.writeLPr(); 14496 } 14497 14498 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14499 + " after failed upgrade"); 14500 } 14501 } 14502 14503 /** 14504 * Checks whether the parent or any of the child packages have a change shared 14505 * user. For a package to be a valid update the shred users of the parent and 14506 * the children should match. We may later support changing child shared users. 14507 * @param oldPkg The updated package. 14508 * @param newPkg The update package. 14509 * @return The shared user that change between the versions. 14510 */ 14511 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14512 PackageParser.Package newPkg) { 14513 // Check parent shared user 14514 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14515 return newPkg.packageName; 14516 } 14517 // Check child shared users 14518 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14519 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14520 for (int i = 0; i < newChildCount; i++) { 14521 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14522 // If this child was present, did it have the same shared user? 14523 for (int j = 0; j < oldChildCount; j++) { 14524 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14525 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14526 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14527 return newChildPkg.packageName; 14528 } 14529 } 14530 } 14531 return null; 14532 } 14533 14534 private void removeNativeBinariesLI(PackageSetting ps) { 14535 // Remove the lib path for the parent package 14536 if (ps != null) { 14537 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14538 // Remove the lib path for the child packages 14539 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14540 for (int i = 0; i < childCount; i++) { 14541 PackageSetting childPs = null; 14542 synchronized (mPackages) { 14543 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14544 } 14545 if (childPs != null) { 14546 NativeLibraryHelper.removeNativeBinariesLI(childPs 14547 .legacyNativeLibraryPathString); 14548 } 14549 } 14550 } 14551 } 14552 14553 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14554 // Enable the parent package 14555 mSettings.enableSystemPackageLPw(pkg.packageName); 14556 // Enable the child packages 14557 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14558 for (int i = 0; i < childCount; i++) { 14559 PackageParser.Package childPkg = pkg.childPackages.get(i); 14560 mSettings.enableSystemPackageLPw(childPkg.packageName); 14561 } 14562 } 14563 14564 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14565 PackageParser.Package newPkg) { 14566 // Disable the parent package (parent always replaced) 14567 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14568 // Disable the child packages 14569 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14570 for (int i = 0; i < childCount; i++) { 14571 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14572 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14573 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14574 } 14575 return disabled; 14576 } 14577 14578 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14579 String installerPackageName) { 14580 // Enable the parent package 14581 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14582 // Enable the child packages 14583 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14584 for (int i = 0; i < childCount; i++) { 14585 PackageParser.Package childPkg = pkg.childPackages.get(i); 14586 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14587 } 14588 } 14589 14590 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14591 // Collect all used permissions in the UID 14592 ArraySet<String> usedPermissions = new ArraySet<>(); 14593 final int packageCount = su.packages.size(); 14594 for (int i = 0; i < packageCount; i++) { 14595 PackageSetting ps = su.packages.valueAt(i); 14596 if (ps.pkg == null) { 14597 continue; 14598 } 14599 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14600 for (int j = 0; j < requestedPermCount; j++) { 14601 String permission = ps.pkg.requestedPermissions.get(j); 14602 BasePermission bp = mSettings.mPermissions.get(permission); 14603 if (bp != null) { 14604 usedPermissions.add(permission); 14605 } 14606 } 14607 } 14608 14609 PermissionsState permissionsState = su.getPermissionsState(); 14610 // Prune install permissions 14611 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14612 final int installPermCount = installPermStates.size(); 14613 for (int i = installPermCount - 1; i >= 0; i--) { 14614 PermissionState permissionState = installPermStates.get(i); 14615 if (!usedPermissions.contains(permissionState.getName())) { 14616 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14617 if (bp != null) { 14618 permissionsState.revokeInstallPermission(bp); 14619 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14620 PackageManager.MASK_PERMISSION_FLAGS, 0); 14621 } 14622 } 14623 } 14624 14625 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14626 14627 // Prune runtime permissions 14628 for (int userId : allUserIds) { 14629 List<PermissionState> runtimePermStates = permissionsState 14630 .getRuntimePermissionStates(userId); 14631 final int runtimePermCount = runtimePermStates.size(); 14632 for (int i = runtimePermCount - 1; i >= 0; i--) { 14633 PermissionState permissionState = runtimePermStates.get(i); 14634 if (!usedPermissions.contains(permissionState.getName())) { 14635 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14636 if (bp != null) { 14637 permissionsState.revokeRuntimePermission(bp, userId); 14638 permissionsState.updatePermissionFlags(bp, userId, 14639 PackageManager.MASK_PERMISSION_FLAGS, 0); 14640 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14641 runtimePermissionChangedUserIds, userId); 14642 } 14643 } 14644 } 14645 } 14646 14647 return runtimePermissionChangedUserIds; 14648 } 14649 14650 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14651 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14652 // Update the parent package setting 14653 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14654 res, user); 14655 // Update the child packages setting 14656 final int childCount = (newPackage.childPackages != null) 14657 ? newPackage.childPackages.size() : 0; 14658 for (int i = 0; i < childCount; i++) { 14659 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14660 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14661 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14662 childRes.origUsers, childRes, user); 14663 } 14664 } 14665 14666 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14667 String installerPackageName, int[] allUsers, int[] installedForUsers, 14668 PackageInstalledInfo res, UserHandle user) { 14669 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14670 14671 String pkgName = newPackage.packageName; 14672 synchronized (mPackages) { 14673 //write settings. the installStatus will be incomplete at this stage. 14674 //note that the new package setting would have already been 14675 //added to mPackages. It hasn't been persisted yet. 14676 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14677 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14678 mSettings.writeLPr(); 14679 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14680 } 14681 14682 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14683 synchronized (mPackages) { 14684 updatePermissionsLPw(newPackage.packageName, newPackage, 14685 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14686 ? UPDATE_PERMISSIONS_ALL : 0)); 14687 // For system-bundled packages, we assume that installing an upgraded version 14688 // of the package implies that the user actually wants to run that new code, 14689 // so we enable the package. 14690 PackageSetting ps = mSettings.mPackages.get(pkgName); 14691 final int userId = user.getIdentifier(); 14692 if (ps != null) { 14693 if (isSystemApp(newPackage)) { 14694 if (DEBUG_INSTALL) { 14695 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14696 } 14697 // Enable system package for requested users 14698 if (res.origUsers != null) { 14699 for (int origUserId : res.origUsers) { 14700 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14701 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14702 origUserId, installerPackageName); 14703 } 14704 } 14705 } 14706 // Also convey the prior install/uninstall state 14707 if (allUsers != null && installedForUsers != null) { 14708 for (int currentUserId : allUsers) { 14709 final boolean installed = ArrayUtils.contains( 14710 installedForUsers, currentUserId); 14711 if (DEBUG_INSTALL) { 14712 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14713 } 14714 ps.setInstalled(installed, currentUserId); 14715 } 14716 // these install state changes will be persisted in the 14717 // upcoming call to mSettings.writeLPr(). 14718 } 14719 } 14720 // It's implied that when a user requests installation, they want the app to be 14721 // installed and enabled. 14722 if (userId != UserHandle.USER_ALL) { 14723 ps.setInstalled(true, userId); 14724 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14725 } 14726 } 14727 res.name = pkgName; 14728 res.uid = newPackage.applicationInfo.uid; 14729 res.pkg = newPackage; 14730 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14731 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14732 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14733 //to update install status 14734 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14735 mSettings.writeLPr(); 14736 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14737 } 14738 14739 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14740 } 14741 14742 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14743 try { 14744 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14745 installPackageLI(args, res); 14746 } finally { 14747 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14748 } 14749 } 14750 14751 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14752 final int installFlags = args.installFlags; 14753 final String installerPackageName = args.installerPackageName; 14754 final String volumeUuid = args.volumeUuid; 14755 final File tmpPackageFile = new File(args.getCodePath()); 14756 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14757 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14758 || (args.volumeUuid != null)); 14759 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14760 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14761 boolean replace = false; 14762 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14763 if (args.move != null) { 14764 // moving a complete application; perform an initial scan on the new install location 14765 scanFlags |= SCAN_INITIAL; 14766 } 14767 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14768 scanFlags |= SCAN_DONT_KILL_APP; 14769 } 14770 14771 // Result object to be returned 14772 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14773 14774 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14775 14776 // Sanity check 14777 if (ephemeral && (forwardLocked || onExternal)) { 14778 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14779 + " external=" + onExternal); 14780 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14781 return; 14782 } 14783 14784 // Retrieve PackageSettings and parse package 14785 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14786 | PackageParser.PARSE_ENFORCE_CODE 14787 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14788 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14789 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14790 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14791 PackageParser pp = new PackageParser(); 14792 pp.setSeparateProcesses(mSeparateProcesses); 14793 pp.setDisplayMetrics(mMetrics); 14794 14795 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14796 final PackageParser.Package pkg; 14797 try { 14798 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14799 } catch (PackageParserException e) { 14800 res.setError("Failed parse during installPackageLI", e); 14801 return; 14802 } finally { 14803 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14804 } 14805 14806 // If we are installing a clustered package add results for the children 14807 if (pkg.childPackages != null) { 14808 synchronized (mPackages) { 14809 final int childCount = pkg.childPackages.size(); 14810 for (int i = 0; i < childCount; i++) { 14811 PackageParser.Package childPkg = pkg.childPackages.get(i); 14812 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14813 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14814 childRes.pkg = childPkg; 14815 childRes.name = childPkg.packageName; 14816 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14817 if (childPs != null) { 14818 childRes.origUsers = childPs.queryInstalledUsers( 14819 sUserManager.getUserIds(), true); 14820 } 14821 if ((mPackages.containsKey(childPkg.packageName))) { 14822 childRes.removedInfo = new PackageRemovedInfo(); 14823 childRes.removedInfo.removedPackage = childPkg.packageName; 14824 } 14825 if (res.addedChildPackages == null) { 14826 res.addedChildPackages = new ArrayMap<>(); 14827 } 14828 res.addedChildPackages.put(childPkg.packageName, childRes); 14829 } 14830 } 14831 } 14832 14833 // If package doesn't declare API override, mark that we have an install 14834 // time CPU ABI override. 14835 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14836 pkg.cpuAbiOverride = args.abiOverride; 14837 } 14838 14839 String pkgName = res.name = pkg.packageName; 14840 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14841 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14842 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14843 return; 14844 } 14845 } 14846 14847 try { 14848 // either use what we've been given or parse directly from the APK 14849 if (args.certificates != null) { 14850 try { 14851 PackageParser.populateCertificates(pkg, args.certificates); 14852 } catch (PackageParserException e) { 14853 // there was something wrong with the certificates we were given; 14854 // try to pull them from the APK 14855 PackageParser.collectCertificates(pkg, parseFlags); 14856 } 14857 } else { 14858 PackageParser.collectCertificates(pkg, parseFlags); 14859 } 14860 } catch (PackageParserException e) { 14861 res.setError("Failed collect during installPackageLI", e); 14862 return; 14863 } 14864 14865 // Get rid of all references to package scan path via parser. 14866 pp = null; 14867 String oldCodePath = null; 14868 boolean systemApp = false; 14869 synchronized (mPackages) { 14870 // Check if installing already existing package 14871 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14872 String oldName = mSettings.mRenamedPackages.get(pkgName); 14873 if (pkg.mOriginalPackages != null 14874 && pkg.mOriginalPackages.contains(oldName) 14875 && mPackages.containsKey(oldName)) { 14876 // This package is derived from an original package, 14877 // and this device has been updating from that original 14878 // name. We must continue using the original name, so 14879 // rename the new package here. 14880 pkg.setPackageName(oldName); 14881 pkgName = pkg.packageName; 14882 replace = true; 14883 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14884 + oldName + " pkgName=" + pkgName); 14885 } else if (mPackages.containsKey(pkgName)) { 14886 // This package, under its official name, already exists 14887 // on the device; we should replace it. 14888 replace = true; 14889 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14890 } 14891 14892 // Child packages are installed through the parent package 14893 if (pkg.parentPackage != null) { 14894 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14895 "Package " + pkg.packageName + " is child of package " 14896 + pkg.parentPackage.parentPackage + ". Child packages " 14897 + "can be updated only through the parent package."); 14898 return; 14899 } 14900 14901 if (replace) { 14902 // Prevent apps opting out from runtime permissions 14903 PackageParser.Package oldPackage = mPackages.get(pkgName); 14904 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14905 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14906 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14907 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14908 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14909 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14910 + " doesn't support runtime permissions but the old" 14911 + " target SDK " + oldTargetSdk + " does."); 14912 return; 14913 } 14914 14915 // Prevent installing of child packages 14916 if (oldPackage.parentPackage != null) { 14917 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14918 "Package " + pkg.packageName + " is child of package " 14919 + oldPackage.parentPackage + ". Child packages " 14920 + "can be updated only through the parent package."); 14921 return; 14922 } 14923 } 14924 } 14925 14926 PackageSetting ps = mSettings.mPackages.get(pkgName); 14927 if (ps != null) { 14928 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14929 14930 // Quick sanity check that we're signed correctly if updating; 14931 // we'll check this again later when scanning, but we want to 14932 // bail early here before tripping over redefined permissions. 14933 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14934 if (!checkUpgradeKeySetLP(ps, pkg)) { 14935 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14936 + pkg.packageName + " upgrade keys do not match the " 14937 + "previously installed version"); 14938 return; 14939 } 14940 } else { 14941 try { 14942 verifySignaturesLP(ps, pkg); 14943 } catch (PackageManagerException e) { 14944 res.setError(e.error, e.getMessage()); 14945 return; 14946 } 14947 } 14948 14949 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14950 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14951 systemApp = (ps.pkg.applicationInfo.flags & 14952 ApplicationInfo.FLAG_SYSTEM) != 0; 14953 } 14954 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14955 } 14956 14957 // Check whether the newly-scanned package wants to define an already-defined perm 14958 int N = pkg.permissions.size(); 14959 for (int i = N-1; i >= 0; i--) { 14960 PackageParser.Permission perm = pkg.permissions.get(i); 14961 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14962 if (bp != null) { 14963 // If the defining package is signed with our cert, it's okay. This 14964 // also includes the "updating the same package" case, of course. 14965 // "updating same package" could also involve key-rotation. 14966 final boolean sigsOk; 14967 if (bp.sourcePackage.equals(pkg.packageName) 14968 && (bp.packageSetting instanceof PackageSetting) 14969 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14970 scanFlags))) { 14971 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14972 } else { 14973 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14974 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14975 } 14976 if (!sigsOk) { 14977 // If the owning package is the system itself, we log but allow 14978 // install to proceed; we fail the install on all other permission 14979 // redefinitions. 14980 if (!bp.sourcePackage.equals("android")) { 14981 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14982 + pkg.packageName + " attempting to redeclare permission " 14983 + perm.info.name + " already owned by " + bp.sourcePackage); 14984 res.origPermission = perm.info.name; 14985 res.origPackage = bp.sourcePackage; 14986 return; 14987 } else { 14988 Slog.w(TAG, "Package " + pkg.packageName 14989 + " attempting to redeclare system permission " 14990 + perm.info.name + "; ignoring new declaration"); 14991 pkg.permissions.remove(i); 14992 } 14993 } 14994 } 14995 } 14996 } 14997 14998 if (systemApp) { 14999 if (onExternal) { 15000 // Abort update; system app can't be replaced with app on sdcard 15001 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15002 "Cannot install updates to system apps on sdcard"); 15003 return; 15004 } else if (ephemeral) { 15005 // Abort update; system app can't be replaced with an ephemeral app 15006 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15007 "Cannot update a system app with an ephemeral app"); 15008 return; 15009 } 15010 } 15011 15012 if (args.move != null) { 15013 // We did an in-place move, so dex is ready to roll 15014 scanFlags |= SCAN_NO_DEX; 15015 scanFlags |= SCAN_MOVE; 15016 15017 synchronized (mPackages) { 15018 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15019 if (ps == null) { 15020 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15021 "Missing settings for moved package " + pkgName); 15022 } 15023 15024 // We moved the entire application as-is, so bring over the 15025 // previously derived ABI information. 15026 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15027 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15028 } 15029 15030 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15031 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15032 scanFlags |= SCAN_NO_DEX; 15033 15034 try { 15035 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15036 args.abiOverride : pkg.cpuAbiOverride); 15037 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15038 true /* extract libs */); 15039 } catch (PackageManagerException pme) { 15040 Slog.e(TAG, "Error deriving application ABI", pme); 15041 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15042 return; 15043 } 15044 15045 // Shared libraries for the package need to be updated. 15046 synchronized (mPackages) { 15047 try { 15048 updateSharedLibrariesLPw(pkg, null); 15049 } catch (PackageManagerException e) { 15050 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15051 } 15052 } 15053 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15054 // Do not run PackageDexOptimizer through the local performDexOpt 15055 // method because `pkg` may not be in `mPackages` yet. 15056 // 15057 // Also, don't fail application installs if the dexopt step fails. 15058 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15059 null /* instructionSets */, false /* checkProfiles */, 15060 getCompilerFilterForReason(REASON_INSTALL), 15061 getOrCreateCompilerPackageStats(pkg)); 15062 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15063 15064 // Notify BackgroundDexOptService that the package has been changed. 15065 // If this is an update of a package which used to fail to compile, 15066 // BDOS will remove it from its blacklist. 15067 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15068 } 15069 15070 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15071 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15072 return; 15073 } 15074 15075 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15076 15077 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15078 "installPackageLI")) { 15079 if (replace) { 15080 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15081 installerPackageName, res); 15082 } else { 15083 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15084 args.user, installerPackageName, volumeUuid, res); 15085 } 15086 } 15087 synchronized (mPackages) { 15088 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15089 if (ps != null) { 15090 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15091 } 15092 15093 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15094 for (int i = 0; i < childCount; i++) { 15095 PackageParser.Package childPkg = pkg.childPackages.get(i); 15096 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15097 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15098 if (childPs != null) { 15099 childRes.newUsers = childPs.queryInstalledUsers( 15100 sUserManager.getUserIds(), true); 15101 } 15102 } 15103 } 15104 } 15105 15106 private void startIntentFilterVerifications(int userId, boolean replacing, 15107 PackageParser.Package pkg) { 15108 if (mIntentFilterVerifierComponent == null) { 15109 Slog.w(TAG, "No IntentFilter verification will not be done as " 15110 + "there is no IntentFilterVerifier available!"); 15111 return; 15112 } 15113 15114 final int verifierUid = getPackageUid( 15115 mIntentFilterVerifierComponent.getPackageName(), 15116 MATCH_DEBUG_TRIAGED_MISSING, 15117 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15118 15119 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15120 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15121 mHandler.sendMessage(msg); 15122 15123 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15124 for (int i = 0; i < childCount; i++) { 15125 PackageParser.Package childPkg = pkg.childPackages.get(i); 15126 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15127 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15128 mHandler.sendMessage(msg); 15129 } 15130 } 15131 15132 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15133 PackageParser.Package pkg) { 15134 int size = pkg.activities.size(); 15135 if (size == 0) { 15136 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15137 "No activity, so no need to verify any IntentFilter!"); 15138 return; 15139 } 15140 15141 final boolean hasDomainURLs = hasDomainURLs(pkg); 15142 if (!hasDomainURLs) { 15143 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15144 "No domain URLs, so no need to verify any IntentFilter!"); 15145 return; 15146 } 15147 15148 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15149 + " if any IntentFilter from the " + size 15150 + " Activities needs verification ..."); 15151 15152 int count = 0; 15153 final String packageName = pkg.packageName; 15154 15155 synchronized (mPackages) { 15156 // If this is a new install and we see that we've already run verification for this 15157 // package, we have nothing to do: it means the state was restored from backup. 15158 if (!replacing) { 15159 IntentFilterVerificationInfo ivi = 15160 mSettings.getIntentFilterVerificationLPr(packageName); 15161 if (ivi != null) { 15162 if (DEBUG_DOMAIN_VERIFICATION) { 15163 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15164 + ivi.getStatusString()); 15165 } 15166 return; 15167 } 15168 } 15169 15170 // If any filters need to be verified, then all need to be. 15171 boolean needToVerify = false; 15172 for (PackageParser.Activity a : pkg.activities) { 15173 for (ActivityIntentInfo filter : a.intents) { 15174 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15175 if (DEBUG_DOMAIN_VERIFICATION) { 15176 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15177 } 15178 needToVerify = true; 15179 break; 15180 } 15181 } 15182 } 15183 15184 if (needToVerify) { 15185 final int verificationId = mIntentFilterVerificationToken++; 15186 for (PackageParser.Activity a : pkg.activities) { 15187 for (ActivityIntentInfo filter : a.intents) { 15188 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15189 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15190 "Verification needed for IntentFilter:" + filter.toString()); 15191 mIntentFilterVerifier.addOneIntentFilterVerification( 15192 verifierUid, userId, verificationId, filter, packageName); 15193 count++; 15194 } 15195 } 15196 } 15197 } 15198 } 15199 15200 if (count > 0) { 15201 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15202 + " IntentFilter verification" + (count > 1 ? "s" : "") 15203 + " for userId:" + userId); 15204 mIntentFilterVerifier.startVerifications(userId); 15205 } else { 15206 if (DEBUG_DOMAIN_VERIFICATION) { 15207 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15208 } 15209 } 15210 } 15211 15212 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15213 final ComponentName cn = filter.activity.getComponentName(); 15214 final String packageName = cn.getPackageName(); 15215 15216 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15217 packageName); 15218 if (ivi == null) { 15219 return true; 15220 } 15221 int status = ivi.getStatus(); 15222 switch (status) { 15223 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15224 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15225 return true; 15226 15227 default: 15228 // Nothing to do 15229 return false; 15230 } 15231 } 15232 15233 private static boolean isMultiArch(ApplicationInfo info) { 15234 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15235 } 15236 15237 private static boolean isExternal(PackageParser.Package pkg) { 15238 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15239 } 15240 15241 private static boolean isExternal(PackageSetting ps) { 15242 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15243 } 15244 15245 private static boolean isEphemeral(PackageParser.Package pkg) { 15246 return pkg.applicationInfo.isEphemeralApp(); 15247 } 15248 15249 private static boolean isEphemeral(PackageSetting ps) { 15250 return ps.pkg != null && isEphemeral(ps.pkg); 15251 } 15252 15253 private static boolean isSystemApp(PackageParser.Package pkg) { 15254 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15255 } 15256 15257 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15258 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15259 } 15260 15261 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15262 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15263 } 15264 15265 private static boolean isSystemApp(PackageSetting ps) { 15266 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15267 } 15268 15269 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15270 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15271 } 15272 15273 private int packageFlagsToInstallFlags(PackageSetting ps) { 15274 int installFlags = 0; 15275 if (isEphemeral(ps)) { 15276 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15277 } 15278 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15279 // This existing package was an external ASEC install when we have 15280 // the external flag without a UUID 15281 installFlags |= PackageManager.INSTALL_EXTERNAL; 15282 } 15283 if (ps.isForwardLocked()) { 15284 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15285 } 15286 return installFlags; 15287 } 15288 15289 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15290 if (isExternal(pkg)) { 15291 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15292 return StorageManager.UUID_PRIMARY_PHYSICAL; 15293 } else { 15294 return pkg.volumeUuid; 15295 } 15296 } else { 15297 return StorageManager.UUID_PRIVATE_INTERNAL; 15298 } 15299 } 15300 15301 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15302 if (isExternal(pkg)) { 15303 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15304 return mSettings.getExternalVersion(); 15305 } else { 15306 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15307 } 15308 } else { 15309 return mSettings.getInternalVersion(); 15310 } 15311 } 15312 15313 private void deleteTempPackageFiles() { 15314 final FilenameFilter filter = new FilenameFilter() { 15315 public boolean accept(File dir, String name) { 15316 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15317 } 15318 }; 15319 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15320 file.delete(); 15321 } 15322 } 15323 15324 @Override 15325 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15326 int flags) { 15327 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15328 flags); 15329 } 15330 15331 @Override 15332 public void deletePackage(final String packageName, 15333 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15334 mContext.enforceCallingOrSelfPermission( 15335 android.Manifest.permission.DELETE_PACKAGES, null); 15336 Preconditions.checkNotNull(packageName); 15337 Preconditions.checkNotNull(observer); 15338 final int uid = Binder.getCallingUid(); 15339 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15340 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15341 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15342 mContext.enforceCallingOrSelfPermission( 15343 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15344 "deletePackage for user " + userId); 15345 } 15346 15347 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15348 try { 15349 observer.onPackageDeleted(packageName, 15350 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15351 } catch (RemoteException re) { 15352 } 15353 return; 15354 } 15355 15356 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15357 try { 15358 observer.onPackageDeleted(packageName, 15359 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15360 } catch (RemoteException re) { 15361 } 15362 return; 15363 } 15364 15365 if (DEBUG_REMOVE) { 15366 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15367 + " deleteAllUsers: " + deleteAllUsers ); 15368 } 15369 // Queue up an async operation since the package deletion may take a little while. 15370 mHandler.post(new Runnable() { 15371 public void run() { 15372 mHandler.removeCallbacks(this); 15373 int returnCode; 15374 if (!deleteAllUsers) { 15375 returnCode = deletePackageX(packageName, userId, deleteFlags); 15376 } else { 15377 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15378 // If nobody is blocking uninstall, proceed with delete for all users 15379 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15380 returnCode = deletePackageX(packageName, userId, deleteFlags); 15381 } else { 15382 // Otherwise uninstall individually for users with blockUninstalls=false 15383 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15384 for (int userId : users) { 15385 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15386 returnCode = deletePackageX(packageName, userId, userFlags); 15387 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15388 Slog.w(TAG, "Package delete failed for user " + userId 15389 + ", returnCode " + returnCode); 15390 } 15391 } 15392 } 15393 // The app has only been marked uninstalled for certain users. 15394 // We still need to report that delete was blocked 15395 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15396 } 15397 } 15398 try { 15399 observer.onPackageDeleted(packageName, returnCode, null); 15400 } catch (RemoteException e) { 15401 Log.i(TAG, "Observer no longer exists."); 15402 } //end catch 15403 } //end run 15404 }); 15405 } 15406 15407 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15408 int[] result = EMPTY_INT_ARRAY; 15409 for (int userId : userIds) { 15410 if (getBlockUninstallForUser(packageName, userId)) { 15411 result = ArrayUtils.appendInt(result, userId); 15412 } 15413 } 15414 return result; 15415 } 15416 15417 @Override 15418 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15419 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15420 } 15421 15422 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15423 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15424 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15425 try { 15426 if (dpm != null) { 15427 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15428 /* callingUserOnly =*/ false); 15429 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15430 : deviceOwnerComponentName.getPackageName(); 15431 // Does the package contains the device owner? 15432 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15433 // this check is probably not needed, since DO should be registered as a device 15434 // admin on some user too. (Original bug for this: b/17657954) 15435 if (packageName.equals(deviceOwnerPackageName)) { 15436 return true; 15437 } 15438 // Does it contain a device admin for any user? 15439 int[] users; 15440 if (userId == UserHandle.USER_ALL) { 15441 users = sUserManager.getUserIds(); 15442 } else { 15443 users = new int[]{userId}; 15444 } 15445 for (int i = 0; i < users.length; ++i) { 15446 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15447 return true; 15448 } 15449 } 15450 } 15451 } catch (RemoteException e) { 15452 } 15453 return false; 15454 } 15455 15456 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15457 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15458 } 15459 15460 /** 15461 * This method is an internal method that could be get invoked either 15462 * to delete an installed package or to clean up a failed installation. 15463 * After deleting an installed package, a broadcast is sent to notify any 15464 * listeners that the package has been removed. For cleaning up a failed 15465 * installation, the broadcast is not necessary since the package's 15466 * installation wouldn't have sent the initial broadcast either 15467 * The key steps in deleting a package are 15468 * deleting the package information in internal structures like mPackages, 15469 * deleting the packages base directories through installd 15470 * updating mSettings to reflect current status 15471 * persisting settings for later use 15472 * sending a broadcast if necessary 15473 */ 15474 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15475 final PackageRemovedInfo info = new PackageRemovedInfo(); 15476 final boolean res; 15477 15478 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15479 ? UserHandle.USER_ALL : userId; 15480 15481 if (isPackageDeviceAdmin(packageName, removeUser)) { 15482 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15483 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15484 } 15485 15486 PackageSetting uninstalledPs = null; 15487 15488 // for the uninstall-updates case and restricted profiles, remember the per- 15489 // user handle installed state 15490 int[] allUsers; 15491 synchronized (mPackages) { 15492 uninstalledPs = mSettings.mPackages.get(packageName); 15493 if (uninstalledPs == null) { 15494 Slog.w(TAG, "Not removing non-existent package " + packageName); 15495 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15496 } 15497 allUsers = sUserManager.getUserIds(); 15498 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15499 } 15500 15501 final int freezeUser; 15502 if (isUpdatedSystemApp(uninstalledPs) 15503 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15504 // We're downgrading a system app, which will apply to all users, so 15505 // freeze them all during the downgrade 15506 freezeUser = UserHandle.USER_ALL; 15507 } else { 15508 freezeUser = removeUser; 15509 } 15510 15511 synchronized (mInstallLock) { 15512 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15513 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15514 deleteFlags, "deletePackageX")) { 15515 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15516 deleteFlags | REMOVE_CHATTY, info, true, null); 15517 } 15518 synchronized (mPackages) { 15519 if (res) { 15520 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15521 } 15522 } 15523 } 15524 15525 if (res) { 15526 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15527 info.sendPackageRemovedBroadcasts(killApp); 15528 info.sendSystemPackageUpdatedBroadcasts(); 15529 info.sendSystemPackageAppearedBroadcasts(); 15530 } 15531 // Force a gc here. 15532 Runtime.getRuntime().gc(); 15533 // Delete the resources here after sending the broadcast to let 15534 // other processes clean up before deleting resources. 15535 if (info.args != null) { 15536 synchronized (mInstallLock) { 15537 info.args.doPostDeleteLI(true); 15538 } 15539 } 15540 15541 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15542 } 15543 15544 class PackageRemovedInfo { 15545 String removedPackage; 15546 int uid = -1; 15547 int removedAppId = -1; 15548 int[] origUsers; 15549 int[] removedUsers = null; 15550 boolean isRemovedPackageSystemUpdate = false; 15551 boolean isUpdate; 15552 boolean dataRemoved; 15553 boolean removedForAllUsers; 15554 // Clean up resources deleted packages. 15555 InstallArgs args = null; 15556 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15557 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15558 15559 void sendPackageRemovedBroadcasts(boolean killApp) { 15560 sendPackageRemovedBroadcastInternal(killApp); 15561 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15562 for (int i = 0; i < childCount; i++) { 15563 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15564 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15565 } 15566 } 15567 15568 void sendSystemPackageUpdatedBroadcasts() { 15569 if (isRemovedPackageSystemUpdate) { 15570 sendSystemPackageUpdatedBroadcastsInternal(); 15571 final int childCount = (removedChildPackages != null) 15572 ? removedChildPackages.size() : 0; 15573 for (int i = 0; i < childCount; i++) { 15574 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15575 if (childInfo.isRemovedPackageSystemUpdate) { 15576 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15577 } 15578 } 15579 } 15580 } 15581 15582 void sendSystemPackageAppearedBroadcasts() { 15583 final int packageCount = (appearedChildPackages != null) 15584 ? appearedChildPackages.size() : 0; 15585 for (int i = 0; i < packageCount; i++) { 15586 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15587 for (int userId : installedInfo.newUsers) { 15588 sendPackageAddedForUser(installedInfo.name, true, 15589 UserHandle.getAppId(installedInfo.uid), userId); 15590 } 15591 } 15592 } 15593 15594 private void sendSystemPackageUpdatedBroadcastsInternal() { 15595 Bundle extras = new Bundle(2); 15596 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15597 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15598 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15599 extras, 0, null, null, null); 15600 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15601 extras, 0, null, null, null); 15602 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15603 null, 0, removedPackage, null, null); 15604 } 15605 15606 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15607 Bundle extras = new Bundle(2); 15608 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15609 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15610 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15611 if (isUpdate || isRemovedPackageSystemUpdate) { 15612 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15613 } 15614 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15615 if (removedPackage != null) { 15616 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15617 extras, 0, null, null, removedUsers); 15618 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15619 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15620 removedPackage, extras, 0, null, null, removedUsers); 15621 } 15622 } 15623 if (removedAppId >= 0) { 15624 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15625 removedUsers); 15626 } 15627 } 15628 } 15629 15630 /* 15631 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15632 * flag is not set, the data directory is removed as well. 15633 * make sure this flag is set for partially installed apps. If not its meaningless to 15634 * delete a partially installed application. 15635 */ 15636 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15637 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15638 String packageName = ps.name; 15639 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15640 // Retrieve object to delete permissions for shared user later on 15641 final PackageParser.Package deletedPkg; 15642 final PackageSetting deletedPs; 15643 // reader 15644 synchronized (mPackages) { 15645 deletedPkg = mPackages.get(packageName); 15646 deletedPs = mSettings.mPackages.get(packageName); 15647 if (outInfo != null) { 15648 outInfo.removedPackage = packageName; 15649 outInfo.removedUsers = deletedPs != null 15650 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15651 : null; 15652 } 15653 } 15654 15655 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15656 15657 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15658 final PackageParser.Package resolvedPkg; 15659 if (deletedPkg != null) { 15660 resolvedPkg = deletedPkg; 15661 } else { 15662 // We don't have a parsed package when it lives on an ejected 15663 // adopted storage device, so fake something together 15664 resolvedPkg = new PackageParser.Package(ps.name); 15665 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15666 } 15667 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15668 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15669 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15670 if (outInfo != null) { 15671 outInfo.dataRemoved = true; 15672 } 15673 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15674 } 15675 15676 // writer 15677 synchronized (mPackages) { 15678 if (deletedPs != null) { 15679 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15680 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15681 clearDefaultBrowserIfNeeded(packageName); 15682 if (outInfo != null) { 15683 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15684 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15685 } 15686 updatePermissionsLPw(deletedPs.name, null, 0); 15687 if (deletedPs.sharedUser != null) { 15688 // Remove permissions associated with package. Since runtime 15689 // permissions are per user we have to kill the removed package 15690 // or packages running under the shared user of the removed 15691 // package if revoking the permissions requested only by the removed 15692 // package is successful and this causes a change in gids. 15693 for (int userId : UserManagerService.getInstance().getUserIds()) { 15694 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15695 userId); 15696 if (userIdToKill == UserHandle.USER_ALL 15697 || userIdToKill >= UserHandle.USER_SYSTEM) { 15698 // If gids changed for this user, kill all affected packages. 15699 mHandler.post(new Runnable() { 15700 @Override 15701 public void run() { 15702 // This has to happen with no lock held. 15703 killApplication(deletedPs.name, deletedPs.appId, 15704 KILL_APP_REASON_GIDS_CHANGED); 15705 } 15706 }); 15707 break; 15708 } 15709 } 15710 } 15711 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15712 } 15713 // make sure to preserve per-user disabled state if this removal was just 15714 // a downgrade of a system app to the factory package 15715 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15716 if (DEBUG_REMOVE) { 15717 Slog.d(TAG, "Propagating install state across downgrade"); 15718 } 15719 for (int userId : allUserHandles) { 15720 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15721 if (DEBUG_REMOVE) { 15722 Slog.d(TAG, " user " + userId + " => " + installed); 15723 } 15724 ps.setInstalled(installed, userId); 15725 } 15726 } 15727 } 15728 // can downgrade to reader 15729 if (writeSettings) { 15730 // Save settings now 15731 mSettings.writeLPr(); 15732 } 15733 } 15734 if (outInfo != null) { 15735 // A user ID was deleted here. Go through all users and remove it 15736 // from KeyStore. 15737 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15738 } 15739 } 15740 15741 static boolean locationIsPrivileged(File path) { 15742 try { 15743 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15744 .getCanonicalPath(); 15745 return path.getCanonicalPath().startsWith(privilegedAppDir); 15746 } catch (IOException e) { 15747 Slog.e(TAG, "Unable to access code path " + path); 15748 } 15749 return false; 15750 } 15751 15752 /* 15753 * Tries to delete system package. 15754 */ 15755 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15756 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15757 boolean writeSettings) { 15758 if (deletedPs.parentPackageName != null) { 15759 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15760 return false; 15761 } 15762 15763 final boolean applyUserRestrictions 15764 = (allUserHandles != null) && (outInfo.origUsers != null); 15765 final PackageSetting disabledPs; 15766 // Confirm if the system package has been updated 15767 // An updated system app can be deleted. This will also have to restore 15768 // the system pkg from system partition 15769 // reader 15770 synchronized (mPackages) { 15771 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15772 } 15773 15774 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15775 + " disabledPs=" + disabledPs); 15776 15777 if (disabledPs == null) { 15778 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15779 return false; 15780 } else if (DEBUG_REMOVE) { 15781 Slog.d(TAG, "Deleting system pkg from data partition"); 15782 } 15783 15784 if (DEBUG_REMOVE) { 15785 if (applyUserRestrictions) { 15786 Slog.d(TAG, "Remembering install states:"); 15787 for (int userId : allUserHandles) { 15788 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15789 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15790 } 15791 } 15792 } 15793 15794 // Delete the updated package 15795 outInfo.isRemovedPackageSystemUpdate = true; 15796 if (outInfo.removedChildPackages != null) { 15797 final int childCount = (deletedPs.childPackageNames != null) 15798 ? deletedPs.childPackageNames.size() : 0; 15799 for (int i = 0; i < childCount; i++) { 15800 String childPackageName = deletedPs.childPackageNames.get(i); 15801 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15802 .contains(childPackageName)) { 15803 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15804 childPackageName); 15805 if (childInfo != null) { 15806 childInfo.isRemovedPackageSystemUpdate = true; 15807 } 15808 } 15809 } 15810 } 15811 15812 if (disabledPs.versionCode < deletedPs.versionCode) { 15813 // Delete data for downgrades 15814 flags &= ~PackageManager.DELETE_KEEP_DATA; 15815 } else { 15816 // Preserve data by setting flag 15817 flags |= PackageManager.DELETE_KEEP_DATA; 15818 } 15819 15820 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15821 outInfo, writeSettings, disabledPs.pkg); 15822 if (!ret) { 15823 return false; 15824 } 15825 15826 // writer 15827 synchronized (mPackages) { 15828 // Reinstate the old system package 15829 enableSystemPackageLPw(disabledPs.pkg); 15830 // Remove any native libraries from the upgraded package. 15831 removeNativeBinariesLI(deletedPs); 15832 } 15833 15834 // Install the system package 15835 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15836 int parseFlags = mDefParseFlags 15837 | PackageParser.PARSE_MUST_BE_APK 15838 | PackageParser.PARSE_IS_SYSTEM 15839 | PackageParser.PARSE_IS_SYSTEM_DIR; 15840 if (locationIsPrivileged(disabledPs.codePath)) { 15841 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15842 } 15843 15844 final PackageParser.Package newPkg; 15845 try { 15846 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15847 } catch (PackageManagerException e) { 15848 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15849 + e.getMessage()); 15850 return false; 15851 } 15852 15853 prepareAppDataAfterInstallLIF(newPkg); 15854 15855 // writer 15856 synchronized (mPackages) { 15857 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15858 15859 // Propagate the permissions state as we do not want to drop on the floor 15860 // runtime permissions. The update permissions method below will take 15861 // care of removing obsolete permissions and grant install permissions. 15862 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15863 updatePermissionsLPw(newPkg.packageName, newPkg, 15864 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15865 15866 if (applyUserRestrictions) { 15867 if (DEBUG_REMOVE) { 15868 Slog.d(TAG, "Propagating install state across reinstall"); 15869 } 15870 for (int userId : allUserHandles) { 15871 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15872 if (DEBUG_REMOVE) { 15873 Slog.d(TAG, " user " + userId + " => " + installed); 15874 } 15875 ps.setInstalled(installed, userId); 15876 15877 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15878 } 15879 // Regardless of writeSettings we need to ensure that this restriction 15880 // state propagation is persisted 15881 mSettings.writeAllUsersPackageRestrictionsLPr(); 15882 } 15883 // can downgrade to reader here 15884 if (writeSettings) { 15885 mSettings.writeLPr(); 15886 } 15887 } 15888 return true; 15889 } 15890 15891 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15892 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15893 PackageRemovedInfo outInfo, boolean writeSettings, 15894 PackageParser.Package replacingPackage) { 15895 synchronized (mPackages) { 15896 if (outInfo != null) { 15897 outInfo.uid = ps.appId; 15898 } 15899 15900 if (outInfo != null && outInfo.removedChildPackages != null) { 15901 final int childCount = (ps.childPackageNames != null) 15902 ? ps.childPackageNames.size() : 0; 15903 for (int i = 0; i < childCount; i++) { 15904 String childPackageName = ps.childPackageNames.get(i); 15905 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15906 if (childPs == null) { 15907 return false; 15908 } 15909 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15910 childPackageName); 15911 if (childInfo != null) { 15912 childInfo.uid = childPs.appId; 15913 } 15914 } 15915 } 15916 } 15917 15918 // Delete package data from internal structures and also remove data if flag is set 15919 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15920 15921 // Delete the child packages data 15922 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15923 for (int i = 0; i < childCount; i++) { 15924 PackageSetting childPs; 15925 synchronized (mPackages) { 15926 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15927 } 15928 if (childPs != null) { 15929 PackageRemovedInfo childOutInfo = (outInfo != null 15930 && outInfo.removedChildPackages != null) 15931 ? outInfo.removedChildPackages.get(childPs.name) : null; 15932 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15933 && (replacingPackage != null 15934 && !replacingPackage.hasChildPackage(childPs.name)) 15935 ? flags & ~DELETE_KEEP_DATA : flags; 15936 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15937 deleteFlags, writeSettings); 15938 } 15939 } 15940 15941 // Delete application code and resources only for parent packages 15942 if (ps.parentPackageName == null) { 15943 if (deleteCodeAndResources && (outInfo != null)) { 15944 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15945 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15946 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15947 } 15948 } 15949 15950 return true; 15951 } 15952 15953 @Override 15954 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15955 int userId) { 15956 mContext.enforceCallingOrSelfPermission( 15957 android.Manifest.permission.DELETE_PACKAGES, null); 15958 synchronized (mPackages) { 15959 PackageSetting ps = mSettings.mPackages.get(packageName); 15960 if (ps == null) { 15961 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15962 return false; 15963 } 15964 if (!ps.getInstalled(userId)) { 15965 // Can't block uninstall for an app that is not installed or enabled. 15966 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15967 return false; 15968 } 15969 ps.setBlockUninstall(blockUninstall, userId); 15970 mSettings.writePackageRestrictionsLPr(userId); 15971 } 15972 return true; 15973 } 15974 15975 @Override 15976 public boolean getBlockUninstallForUser(String packageName, int userId) { 15977 synchronized (mPackages) { 15978 PackageSetting ps = mSettings.mPackages.get(packageName); 15979 if (ps == null) { 15980 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15981 return false; 15982 } 15983 return ps.getBlockUninstall(userId); 15984 } 15985 } 15986 15987 @Override 15988 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15989 int callingUid = Binder.getCallingUid(); 15990 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15991 throw new SecurityException( 15992 "setRequiredForSystemUser can only be run by the system or root"); 15993 } 15994 synchronized (mPackages) { 15995 PackageSetting ps = mSettings.mPackages.get(packageName); 15996 if (ps == null) { 15997 Log.w(TAG, "Package doesn't exist: " + packageName); 15998 return false; 15999 } 16000 if (systemUserApp) { 16001 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16002 } else { 16003 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16004 } 16005 mSettings.writeLPr(); 16006 } 16007 return true; 16008 } 16009 16010 /* 16011 * This method handles package deletion in general 16012 */ 16013 private boolean deletePackageLIF(String packageName, UserHandle user, 16014 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16015 PackageRemovedInfo outInfo, boolean writeSettings, 16016 PackageParser.Package replacingPackage) { 16017 if (packageName == null) { 16018 Slog.w(TAG, "Attempt to delete null packageName."); 16019 return false; 16020 } 16021 16022 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16023 16024 PackageSetting ps; 16025 16026 synchronized (mPackages) { 16027 ps = mSettings.mPackages.get(packageName); 16028 if (ps == null) { 16029 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16030 return false; 16031 } 16032 16033 if (ps.parentPackageName != null && (!isSystemApp(ps) 16034 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16035 if (DEBUG_REMOVE) { 16036 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16037 + ((user == null) ? UserHandle.USER_ALL : user)); 16038 } 16039 final int removedUserId = (user != null) ? user.getIdentifier() 16040 : UserHandle.USER_ALL; 16041 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16042 return false; 16043 } 16044 markPackageUninstalledForUserLPw(ps, user); 16045 scheduleWritePackageRestrictionsLocked(user); 16046 return true; 16047 } 16048 } 16049 16050 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16051 && user.getIdentifier() != UserHandle.USER_ALL)) { 16052 // The caller is asking that the package only be deleted for a single 16053 // user. To do this, we just mark its uninstalled state and delete 16054 // its data. If this is a system app, we only allow this to happen if 16055 // they have set the special DELETE_SYSTEM_APP which requests different 16056 // semantics than normal for uninstalling system apps. 16057 markPackageUninstalledForUserLPw(ps, user); 16058 16059 if (!isSystemApp(ps)) { 16060 // Do not uninstall the APK if an app should be cached 16061 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16062 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16063 // Other user still have this package installed, so all 16064 // we need to do is clear this user's data and save that 16065 // it is uninstalled. 16066 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16067 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16068 return false; 16069 } 16070 scheduleWritePackageRestrictionsLocked(user); 16071 return true; 16072 } else { 16073 // We need to set it back to 'installed' so the uninstall 16074 // broadcasts will be sent correctly. 16075 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16076 ps.setInstalled(true, user.getIdentifier()); 16077 } 16078 } else { 16079 // This is a system app, so we assume that the 16080 // other users still have this package installed, so all 16081 // we need to do is clear this user's data and save that 16082 // it is uninstalled. 16083 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16084 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16085 return false; 16086 } 16087 scheduleWritePackageRestrictionsLocked(user); 16088 return true; 16089 } 16090 } 16091 16092 // If we are deleting a composite package for all users, keep track 16093 // of result for each child. 16094 if (ps.childPackageNames != null && outInfo != null) { 16095 synchronized (mPackages) { 16096 final int childCount = ps.childPackageNames.size(); 16097 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16098 for (int i = 0; i < childCount; i++) { 16099 String childPackageName = ps.childPackageNames.get(i); 16100 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16101 childInfo.removedPackage = childPackageName; 16102 outInfo.removedChildPackages.put(childPackageName, childInfo); 16103 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16104 if (childPs != null) { 16105 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16106 } 16107 } 16108 } 16109 } 16110 16111 boolean ret = false; 16112 if (isSystemApp(ps)) { 16113 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16114 // When an updated system application is deleted we delete the existing resources 16115 // as well and fall back to existing code in system partition 16116 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16117 } else { 16118 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16119 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16120 outInfo, writeSettings, replacingPackage); 16121 } 16122 16123 // Take a note whether we deleted the package for all users 16124 if (outInfo != null) { 16125 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16126 if (outInfo.removedChildPackages != null) { 16127 synchronized (mPackages) { 16128 final int childCount = outInfo.removedChildPackages.size(); 16129 for (int i = 0; i < childCount; i++) { 16130 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16131 if (childInfo != null) { 16132 childInfo.removedForAllUsers = mPackages.get( 16133 childInfo.removedPackage) == null; 16134 } 16135 } 16136 } 16137 } 16138 // If we uninstalled an update to a system app there may be some 16139 // child packages that appeared as they are declared in the system 16140 // app but were not declared in the update. 16141 if (isSystemApp(ps)) { 16142 synchronized (mPackages) { 16143 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16144 final int childCount = (updatedPs.childPackageNames != null) 16145 ? updatedPs.childPackageNames.size() : 0; 16146 for (int i = 0; i < childCount; i++) { 16147 String childPackageName = updatedPs.childPackageNames.get(i); 16148 if (outInfo.removedChildPackages == null 16149 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16150 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16151 if (childPs == null) { 16152 continue; 16153 } 16154 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16155 installRes.name = childPackageName; 16156 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16157 installRes.pkg = mPackages.get(childPackageName); 16158 installRes.uid = childPs.pkg.applicationInfo.uid; 16159 if (outInfo.appearedChildPackages == null) { 16160 outInfo.appearedChildPackages = new ArrayMap<>(); 16161 } 16162 outInfo.appearedChildPackages.put(childPackageName, installRes); 16163 } 16164 } 16165 } 16166 } 16167 } 16168 16169 return ret; 16170 } 16171 16172 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16173 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16174 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16175 for (int nextUserId : userIds) { 16176 if (DEBUG_REMOVE) { 16177 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16178 } 16179 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16180 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16181 false /*hidden*/, false /*suspended*/, null, null, null, 16182 false /*blockUninstall*/, 16183 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16184 } 16185 } 16186 16187 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16188 PackageRemovedInfo outInfo) { 16189 final PackageParser.Package pkg; 16190 synchronized (mPackages) { 16191 pkg = mPackages.get(ps.name); 16192 } 16193 16194 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16195 : new int[] {userId}; 16196 for (int nextUserId : userIds) { 16197 if (DEBUG_REMOVE) { 16198 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16199 + nextUserId); 16200 } 16201 16202 destroyAppDataLIF(pkg, userId, 16203 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16204 destroyAppProfilesLIF(pkg, userId); 16205 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16206 schedulePackageCleaning(ps.name, nextUserId, false); 16207 synchronized (mPackages) { 16208 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16209 scheduleWritePackageRestrictionsLocked(nextUserId); 16210 } 16211 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16212 } 16213 } 16214 16215 if (outInfo != null) { 16216 outInfo.removedPackage = ps.name; 16217 outInfo.removedAppId = ps.appId; 16218 outInfo.removedUsers = userIds; 16219 } 16220 16221 return true; 16222 } 16223 16224 private final class ClearStorageConnection implements ServiceConnection { 16225 IMediaContainerService mContainerService; 16226 16227 @Override 16228 public void onServiceConnected(ComponentName name, IBinder service) { 16229 synchronized (this) { 16230 mContainerService = IMediaContainerService.Stub.asInterface(service); 16231 notifyAll(); 16232 } 16233 } 16234 16235 @Override 16236 public void onServiceDisconnected(ComponentName name) { 16237 } 16238 } 16239 16240 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16241 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16242 16243 final boolean mounted; 16244 if (Environment.isExternalStorageEmulated()) { 16245 mounted = true; 16246 } else { 16247 final String status = Environment.getExternalStorageState(); 16248 16249 mounted = status.equals(Environment.MEDIA_MOUNTED) 16250 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16251 } 16252 16253 if (!mounted) { 16254 return; 16255 } 16256 16257 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16258 int[] users; 16259 if (userId == UserHandle.USER_ALL) { 16260 users = sUserManager.getUserIds(); 16261 } else { 16262 users = new int[] { userId }; 16263 } 16264 final ClearStorageConnection conn = new ClearStorageConnection(); 16265 if (mContext.bindServiceAsUser( 16266 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16267 try { 16268 for (int curUser : users) { 16269 long timeout = SystemClock.uptimeMillis() + 5000; 16270 synchronized (conn) { 16271 long now; 16272 while (conn.mContainerService == null && 16273 (now = SystemClock.uptimeMillis()) < timeout) { 16274 try { 16275 conn.wait(timeout - now); 16276 } catch (InterruptedException e) { 16277 } 16278 } 16279 } 16280 if (conn.mContainerService == null) { 16281 return; 16282 } 16283 16284 final UserEnvironment userEnv = new UserEnvironment(curUser); 16285 clearDirectory(conn.mContainerService, 16286 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16287 if (allData) { 16288 clearDirectory(conn.mContainerService, 16289 userEnv.buildExternalStorageAppDataDirs(packageName)); 16290 clearDirectory(conn.mContainerService, 16291 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16292 } 16293 } 16294 } finally { 16295 mContext.unbindService(conn); 16296 } 16297 } 16298 } 16299 16300 @Override 16301 public void clearApplicationProfileData(String packageName) { 16302 enforceSystemOrRoot("Only the system can clear all profile data"); 16303 16304 final PackageParser.Package pkg; 16305 synchronized (mPackages) { 16306 pkg = mPackages.get(packageName); 16307 } 16308 16309 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16310 synchronized (mInstallLock) { 16311 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16312 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16313 true /* removeBaseMarker */); 16314 } 16315 } 16316 } 16317 16318 @Override 16319 public void clearApplicationUserData(final String packageName, 16320 final IPackageDataObserver observer, final int userId) { 16321 mContext.enforceCallingOrSelfPermission( 16322 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16323 16324 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16325 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16326 16327 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16328 throw new SecurityException("Cannot clear data for a protected package: " 16329 + packageName); 16330 } 16331 // Queue up an async operation since the package deletion may take a little while. 16332 mHandler.post(new Runnable() { 16333 public void run() { 16334 mHandler.removeCallbacks(this); 16335 final boolean succeeded; 16336 try (PackageFreezer freezer = freezePackage(packageName, 16337 "clearApplicationUserData")) { 16338 synchronized (mInstallLock) { 16339 succeeded = clearApplicationUserDataLIF(packageName, userId); 16340 } 16341 clearExternalStorageDataSync(packageName, userId, true); 16342 } 16343 if (succeeded) { 16344 // invoke DeviceStorageMonitor's update method to clear any notifications 16345 DeviceStorageMonitorInternal dsm = LocalServices 16346 .getService(DeviceStorageMonitorInternal.class); 16347 if (dsm != null) { 16348 dsm.checkMemory(); 16349 } 16350 } 16351 if(observer != null) { 16352 try { 16353 observer.onRemoveCompleted(packageName, succeeded); 16354 } catch (RemoteException e) { 16355 Log.i(TAG, "Observer no longer exists."); 16356 } 16357 } //end if observer 16358 } //end run 16359 }); 16360 } 16361 16362 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16363 if (packageName == null) { 16364 Slog.w(TAG, "Attempt to delete null packageName."); 16365 return false; 16366 } 16367 16368 // Try finding details about the requested package 16369 PackageParser.Package pkg; 16370 synchronized (mPackages) { 16371 pkg = mPackages.get(packageName); 16372 if (pkg == null) { 16373 final PackageSetting ps = mSettings.mPackages.get(packageName); 16374 if (ps != null) { 16375 pkg = ps.pkg; 16376 } 16377 } 16378 16379 if (pkg == null) { 16380 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16381 return false; 16382 } 16383 16384 PackageSetting ps = (PackageSetting) pkg.mExtras; 16385 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16386 } 16387 16388 clearAppDataLIF(pkg, userId, 16389 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16390 16391 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16392 removeKeystoreDataIfNeeded(userId, appId); 16393 16394 UserManagerInternal umInternal = getUserManagerInternal(); 16395 final int flags; 16396 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16397 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16398 } else if (umInternal.isUserRunning(userId)) { 16399 flags = StorageManager.FLAG_STORAGE_DE; 16400 } else { 16401 flags = 0; 16402 } 16403 prepareAppDataContentsLIF(pkg, userId, flags); 16404 16405 return true; 16406 } 16407 16408 /** 16409 * Reverts user permission state changes (permissions and flags) in 16410 * all packages for a given user. 16411 * 16412 * @param userId The device user for which to do a reset. 16413 */ 16414 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16415 final int packageCount = mPackages.size(); 16416 for (int i = 0; i < packageCount; i++) { 16417 PackageParser.Package pkg = mPackages.valueAt(i); 16418 PackageSetting ps = (PackageSetting) pkg.mExtras; 16419 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16420 } 16421 } 16422 16423 private void resetNetworkPolicies(int userId) { 16424 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16425 } 16426 16427 /** 16428 * Reverts user permission state changes (permissions and flags). 16429 * 16430 * @param ps The package for which to reset. 16431 * @param userId The device user for which to do a reset. 16432 */ 16433 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16434 final PackageSetting ps, final int userId) { 16435 if (ps.pkg == null) { 16436 return; 16437 } 16438 16439 // These are flags that can change base on user actions. 16440 final int userSettableMask = FLAG_PERMISSION_USER_SET 16441 | FLAG_PERMISSION_USER_FIXED 16442 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16443 | FLAG_PERMISSION_REVIEW_REQUIRED; 16444 16445 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16446 | FLAG_PERMISSION_POLICY_FIXED; 16447 16448 boolean writeInstallPermissions = false; 16449 boolean writeRuntimePermissions = false; 16450 16451 final int permissionCount = ps.pkg.requestedPermissions.size(); 16452 for (int i = 0; i < permissionCount; i++) { 16453 String permission = ps.pkg.requestedPermissions.get(i); 16454 16455 BasePermission bp = mSettings.mPermissions.get(permission); 16456 if (bp == null) { 16457 continue; 16458 } 16459 16460 // If shared user we just reset the state to which only this app contributed. 16461 if (ps.sharedUser != null) { 16462 boolean used = false; 16463 final int packageCount = ps.sharedUser.packages.size(); 16464 for (int j = 0; j < packageCount; j++) { 16465 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16466 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16467 && pkg.pkg.requestedPermissions.contains(permission)) { 16468 used = true; 16469 break; 16470 } 16471 } 16472 if (used) { 16473 continue; 16474 } 16475 } 16476 16477 PermissionsState permissionsState = ps.getPermissionsState(); 16478 16479 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16480 16481 // Always clear the user settable flags. 16482 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16483 bp.name) != null; 16484 // If permission review is enabled and this is a legacy app, mark the 16485 // permission as requiring a review as this is the initial state. 16486 int flags = 0; 16487 if (Build.PERMISSIONS_REVIEW_REQUIRED 16488 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16489 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16490 } 16491 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16492 if (hasInstallState) { 16493 writeInstallPermissions = true; 16494 } else { 16495 writeRuntimePermissions = true; 16496 } 16497 } 16498 16499 // Below is only runtime permission handling. 16500 if (!bp.isRuntime()) { 16501 continue; 16502 } 16503 16504 // Never clobber system or policy. 16505 if ((oldFlags & policyOrSystemFlags) != 0) { 16506 continue; 16507 } 16508 16509 // If this permission was granted by default, make sure it is. 16510 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16511 if (permissionsState.grantRuntimePermission(bp, userId) 16512 != PERMISSION_OPERATION_FAILURE) { 16513 writeRuntimePermissions = true; 16514 } 16515 // If permission review is enabled the permissions for a legacy apps 16516 // are represented as constantly granted runtime ones, so don't revoke. 16517 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16518 // Otherwise, reset the permission. 16519 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16520 switch (revokeResult) { 16521 case PERMISSION_OPERATION_SUCCESS: 16522 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16523 writeRuntimePermissions = true; 16524 final int appId = ps.appId; 16525 mHandler.post(new Runnable() { 16526 @Override 16527 public void run() { 16528 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16529 } 16530 }); 16531 } break; 16532 } 16533 } 16534 } 16535 16536 // Synchronously write as we are taking permissions away. 16537 if (writeRuntimePermissions) { 16538 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16539 } 16540 16541 // Synchronously write as we are taking permissions away. 16542 if (writeInstallPermissions) { 16543 mSettings.writeLPr(); 16544 } 16545 } 16546 16547 /** 16548 * Remove entries from the keystore daemon. Will only remove it if the 16549 * {@code appId} is valid. 16550 */ 16551 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16552 if (appId < 0) { 16553 return; 16554 } 16555 16556 final KeyStore keyStore = KeyStore.getInstance(); 16557 if (keyStore != null) { 16558 if (userId == UserHandle.USER_ALL) { 16559 for (final int individual : sUserManager.getUserIds()) { 16560 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16561 } 16562 } else { 16563 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16564 } 16565 } else { 16566 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16567 } 16568 } 16569 16570 @Override 16571 public void deleteApplicationCacheFiles(final String packageName, 16572 final IPackageDataObserver observer) { 16573 final int userId = UserHandle.getCallingUserId(); 16574 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16575 } 16576 16577 @Override 16578 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16579 final IPackageDataObserver observer) { 16580 mContext.enforceCallingOrSelfPermission( 16581 android.Manifest.permission.DELETE_CACHE_FILES, null); 16582 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16583 /* requireFullPermission= */ true, /* checkShell= */ false, 16584 "delete application cache files"); 16585 16586 final PackageParser.Package pkg; 16587 synchronized (mPackages) { 16588 pkg = mPackages.get(packageName); 16589 } 16590 16591 // Queue up an async operation since the package deletion may take a little while. 16592 mHandler.post(new Runnable() { 16593 public void run() { 16594 synchronized (mInstallLock) { 16595 final int flags = StorageManager.FLAG_STORAGE_DE 16596 | StorageManager.FLAG_STORAGE_CE; 16597 // We're only clearing cache files, so we don't care if the 16598 // app is unfrozen and still able to run 16599 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16600 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16601 } 16602 clearExternalStorageDataSync(packageName, userId, false); 16603 if (observer != null) { 16604 try { 16605 observer.onRemoveCompleted(packageName, true); 16606 } catch (RemoteException e) { 16607 Log.i(TAG, "Observer no longer exists."); 16608 } 16609 } 16610 } 16611 }); 16612 } 16613 16614 @Override 16615 public void getPackageSizeInfo(final String packageName, int userHandle, 16616 final IPackageStatsObserver observer) { 16617 mContext.enforceCallingOrSelfPermission( 16618 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16619 if (packageName == null) { 16620 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16621 } 16622 16623 PackageStats stats = new PackageStats(packageName, userHandle); 16624 16625 /* 16626 * Queue up an async operation since the package measurement may take a 16627 * little while. 16628 */ 16629 Message msg = mHandler.obtainMessage(INIT_COPY); 16630 msg.obj = new MeasureParams(stats, observer); 16631 mHandler.sendMessage(msg); 16632 } 16633 16634 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16635 final PackageSetting ps; 16636 synchronized (mPackages) { 16637 ps = mSettings.mPackages.get(packageName); 16638 if (ps == null) { 16639 Slog.w(TAG, "Failed to find settings for " + packageName); 16640 return false; 16641 } 16642 } 16643 try { 16644 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16645 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16646 ps.getCeDataInode(userId), ps.codePathString, stats); 16647 } catch (InstallerException e) { 16648 Slog.w(TAG, String.valueOf(e)); 16649 return false; 16650 } 16651 16652 // For now, ignore code size of packages on system partition 16653 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16654 stats.codeSize = 0; 16655 } 16656 16657 return true; 16658 } 16659 16660 private int getUidTargetSdkVersionLockedLPr(int uid) { 16661 Object obj = mSettings.getUserIdLPr(uid); 16662 if (obj instanceof SharedUserSetting) { 16663 final SharedUserSetting sus = (SharedUserSetting) obj; 16664 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16665 final Iterator<PackageSetting> it = sus.packages.iterator(); 16666 while (it.hasNext()) { 16667 final PackageSetting ps = it.next(); 16668 if (ps.pkg != null) { 16669 int v = ps.pkg.applicationInfo.targetSdkVersion; 16670 if (v < vers) vers = v; 16671 } 16672 } 16673 return vers; 16674 } else if (obj instanceof PackageSetting) { 16675 final PackageSetting ps = (PackageSetting) obj; 16676 if (ps.pkg != null) { 16677 return ps.pkg.applicationInfo.targetSdkVersion; 16678 } 16679 } 16680 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16681 } 16682 16683 @Override 16684 public void addPreferredActivity(IntentFilter filter, int match, 16685 ComponentName[] set, ComponentName activity, int userId) { 16686 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16687 "Adding preferred"); 16688 } 16689 16690 private void addPreferredActivityInternal(IntentFilter filter, int match, 16691 ComponentName[] set, ComponentName activity, boolean always, int userId, 16692 String opname) { 16693 // writer 16694 int callingUid = Binder.getCallingUid(); 16695 enforceCrossUserPermission(callingUid, userId, 16696 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16697 if (filter.countActions() == 0) { 16698 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16699 return; 16700 } 16701 synchronized (mPackages) { 16702 if (mContext.checkCallingOrSelfPermission( 16703 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16704 != PackageManager.PERMISSION_GRANTED) { 16705 if (getUidTargetSdkVersionLockedLPr(callingUid) 16706 < Build.VERSION_CODES.FROYO) { 16707 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16708 + callingUid); 16709 return; 16710 } 16711 mContext.enforceCallingOrSelfPermission( 16712 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16713 } 16714 16715 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16716 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16717 + userId + ":"); 16718 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16719 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16720 scheduleWritePackageRestrictionsLocked(userId); 16721 postPreferredActivityChangedBroadcast(userId); 16722 } 16723 } 16724 16725 private void postPreferredActivityChangedBroadcast(int userId) { 16726 mHandler.post(() -> { 16727 final IActivityManager am = ActivityManagerNative.getDefault(); 16728 if (am == null) { 16729 return; 16730 } 16731 16732 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 16733 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 16734 try { 16735 am.broadcastIntent(null, intent, null, null, 16736 0, null, null, null, android.app.AppOpsManager.OP_NONE, 16737 null, false, false, userId); 16738 } catch (RemoteException e) { 16739 } 16740 }); 16741 } 16742 16743 @Override 16744 public void replacePreferredActivity(IntentFilter filter, int match, 16745 ComponentName[] set, ComponentName activity, int userId) { 16746 if (filter.countActions() != 1) { 16747 throw new IllegalArgumentException( 16748 "replacePreferredActivity expects filter to have only 1 action."); 16749 } 16750 if (filter.countDataAuthorities() != 0 16751 || filter.countDataPaths() != 0 16752 || filter.countDataSchemes() > 1 16753 || filter.countDataTypes() != 0) { 16754 throw new IllegalArgumentException( 16755 "replacePreferredActivity expects filter to have no data authorities, " + 16756 "paths, or types; and at most one scheme."); 16757 } 16758 16759 final int callingUid = Binder.getCallingUid(); 16760 enforceCrossUserPermission(callingUid, userId, 16761 true /* requireFullPermission */, false /* checkShell */, 16762 "replace preferred activity"); 16763 synchronized (mPackages) { 16764 if (mContext.checkCallingOrSelfPermission( 16765 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16766 != PackageManager.PERMISSION_GRANTED) { 16767 if (getUidTargetSdkVersionLockedLPr(callingUid) 16768 < Build.VERSION_CODES.FROYO) { 16769 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16770 + Binder.getCallingUid()); 16771 return; 16772 } 16773 mContext.enforceCallingOrSelfPermission( 16774 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16775 } 16776 16777 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16778 if (pir != null) { 16779 // Get all of the existing entries that exactly match this filter. 16780 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16781 if (existing != null && existing.size() == 1) { 16782 PreferredActivity cur = existing.get(0); 16783 if (DEBUG_PREFERRED) { 16784 Slog.i(TAG, "Checking replace of preferred:"); 16785 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16786 if (!cur.mPref.mAlways) { 16787 Slog.i(TAG, " -- CUR; not mAlways!"); 16788 } else { 16789 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16790 Slog.i(TAG, " -- CUR: mSet=" 16791 + Arrays.toString(cur.mPref.mSetComponents)); 16792 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16793 Slog.i(TAG, " -- NEW: mMatch=" 16794 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16795 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16796 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16797 } 16798 } 16799 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16800 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16801 && cur.mPref.sameSet(set)) { 16802 // Setting the preferred activity to what it happens to be already 16803 if (DEBUG_PREFERRED) { 16804 Slog.i(TAG, "Replacing with same preferred activity " 16805 + cur.mPref.mShortComponent + " for user " 16806 + userId + ":"); 16807 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16808 } 16809 return; 16810 } 16811 } 16812 16813 if (existing != null) { 16814 if (DEBUG_PREFERRED) { 16815 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16816 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16817 } 16818 for (int i = 0; i < existing.size(); i++) { 16819 PreferredActivity pa = existing.get(i); 16820 if (DEBUG_PREFERRED) { 16821 Slog.i(TAG, "Removing existing preferred activity " 16822 + pa.mPref.mComponent + ":"); 16823 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16824 } 16825 pir.removeFilter(pa); 16826 } 16827 } 16828 } 16829 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16830 "Replacing preferred"); 16831 } 16832 } 16833 16834 @Override 16835 public void clearPackagePreferredActivities(String packageName) { 16836 final int uid = Binder.getCallingUid(); 16837 // writer 16838 synchronized (mPackages) { 16839 PackageParser.Package pkg = mPackages.get(packageName); 16840 if (pkg == null || pkg.applicationInfo.uid != uid) { 16841 if (mContext.checkCallingOrSelfPermission( 16842 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16843 != PackageManager.PERMISSION_GRANTED) { 16844 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16845 < Build.VERSION_CODES.FROYO) { 16846 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16847 + Binder.getCallingUid()); 16848 return; 16849 } 16850 mContext.enforceCallingOrSelfPermission( 16851 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16852 } 16853 } 16854 16855 int user = UserHandle.getCallingUserId(); 16856 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16857 scheduleWritePackageRestrictionsLocked(user); 16858 } 16859 } 16860 } 16861 16862 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16863 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16864 ArrayList<PreferredActivity> removed = null; 16865 boolean changed = false; 16866 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16867 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16868 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16869 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16870 continue; 16871 } 16872 Iterator<PreferredActivity> it = pir.filterIterator(); 16873 while (it.hasNext()) { 16874 PreferredActivity pa = it.next(); 16875 // Mark entry for removal only if it matches the package name 16876 // and the entry is of type "always". 16877 if (packageName == null || 16878 (pa.mPref.mComponent.getPackageName().equals(packageName) 16879 && pa.mPref.mAlways)) { 16880 if (removed == null) { 16881 removed = new ArrayList<PreferredActivity>(); 16882 } 16883 removed.add(pa); 16884 } 16885 } 16886 if (removed != null) { 16887 for (int j=0; j<removed.size(); j++) { 16888 PreferredActivity pa = removed.get(j); 16889 pir.removeFilter(pa); 16890 } 16891 changed = true; 16892 } 16893 } 16894 if (changed) { 16895 postPreferredActivityChangedBroadcast(userId); 16896 } 16897 return changed; 16898 } 16899 16900 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16901 private void clearIntentFilterVerificationsLPw(int userId) { 16902 final int packageCount = mPackages.size(); 16903 for (int i = 0; i < packageCount; i++) { 16904 PackageParser.Package pkg = mPackages.valueAt(i); 16905 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16906 } 16907 } 16908 16909 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16910 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16911 if (userId == UserHandle.USER_ALL) { 16912 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16913 sUserManager.getUserIds())) { 16914 for (int oneUserId : sUserManager.getUserIds()) { 16915 scheduleWritePackageRestrictionsLocked(oneUserId); 16916 } 16917 } 16918 } else { 16919 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16920 scheduleWritePackageRestrictionsLocked(userId); 16921 } 16922 } 16923 } 16924 16925 void clearDefaultBrowserIfNeeded(String packageName) { 16926 for (int oneUserId : sUserManager.getUserIds()) { 16927 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16928 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16929 if (packageName.equals(defaultBrowserPackageName)) { 16930 setDefaultBrowserPackageName(null, oneUserId); 16931 } 16932 } 16933 } 16934 16935 @Override 16936 public void resetApplicationPreferences(int userId) { 16937 mContext.enforceCallingOrSelfPermission( 16938 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16939 final long identity = Binder.clearCallingIdentity(); 16940 // writer 16941 try { 16942 synchronized (mPackages) { 16943 clearPackagePreferredActivitiesLPw(null, userId); 16944 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16945 // TODO: We have to reset the default SMS and Phone. This requires 16946 // significant refactoring to keep all default apps in the package 16947 // manager (cleaner but more work) or have the services provide 16948 // callbacks to the package manager to request a default app reset. 16949 applyFactoryDefaultBrowserLPw(userId); 16950 clearIntentFilterVerificationsLPw(userId); 16951 primeDomainVerificationsLPw(userId); 16952 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16953 scheduleWritePackageRestrictionsLocked(userId); 16954 } 16955 resetNetworkPolicies(userId); 16956 } finally { 16957 Binder.restoreCallingIdentity(identity); 16958 } 16959 } 16960 16961 @Override 16962 public int getPreferredActivities(List<IntentFilter> outFilters, 16963 List<ComponentName> outActivities, String packageName) { 16964 16965 int num = 0; 16966 final int userId = UserHandle.getCallingUserId(); 16967 // reader 16968 synchronized (mPackages) { 16969 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16970 if (pir != null) { 16971 final Iterator<PreferredActivity> it = pir.filterIterator(); 16972 while (it.hasNext()) { 16973 final PreferredActivity pa = it.next(); 16974 if (packageName == null 16975 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16976 && pa.mPref.mAlways)) { 16977 if (outFilters != null) { 16978 outFilters.add(new IntentFilter(pa)); 16979 } 16980 if (outActivities != null) { 16981 outActivities.add(pa.mPref.mComponent); 16982 } 16983 } 16984 } 16985 } 16986 } 16987 16988 return num; 16989 } 16990 16991 @Override 16992 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16993 int userId) { 16994 int callingUid = Binder.getCallingUid(); 16995 if (callingUid != Process.SYSTEM_UID) { 16996 throw new SecurityException( 16997 "addPersistentPreferredActivity can only be run by the system"); 16998 } 16999 if (filter.countActions() == 0) { 17000 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17001 return; 17002 } 17003 synchronized (mPackages) { 17004 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17005 ":"); 17006 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17007 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17008 new PersistentPreferredActivity(filter, activity)); 17009 scheduleWritePackageRestrictionsLocked(userId); 17010 postPreferredActivityChangedBroadcast(userId); 17011 } 17012 } 17013 17014 @Override 17015 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17016 int callingUid = Binder.getCallingUid(); 17017 if (callingUid != Process.SYSTEM_UID) { 17018 throw new SecurityException( 17019 "clearPackagePersistentPreferredActivities can only be run by the system"); 17020 } 17021 ArrayList<PersistentPreferredActivity> removed = null; 17022 boolean changed = false; 17023 synchronized (mPackages) { 17024 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17025 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17026 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17027 .valueAt(i); 17028 if (userId != thisUserId) { 17029 continue; 17030 } 17031 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17032 while (it.hasNext()) { 17033 PersistentPreferredActivity ppa = it.next(); 17034 // Mark entry for removal only if it matches the package name. 17035 if (ppa.mComponent.getPackageName().equals(packageName)) { 17036 if (removed == null) { 17037 removed = new ArrayList<PersistentPreferredActivity>(); 17038 } 17039 removed.add(ppa); 17040 } 17041 } 17042 if (removed != null) { 17043 for (int j=0; j<removed.size(); j++) { 17044 PersistentPreferredActivity ppa = removed.get(j); 17045 ppir.removeFilter(ppa); 17046 } 17047 changed = true; 17048 } 17049 } 17050 17051 if (changed) { 17052 scheduleWritePackageRestrictionsLocked(userId); 17053 postPreferredActivityChangedBroadcast(userId); 17054 } 17055 } 17056 } 17057 17058 /** 17059 * Common machinery for picking apart a restored XML blob and passing 17060 * it to a caller-supplied functor to be applied to the running system. 17061 */ 17062 private void restoreFromXml(XmlPullParser parser, int userId, 17063 String expectedStartTag, BlobXmlRestorer functor) 17064 throws IOException, XmlPullParserException { 17065 int type; 17066 while ((type = parser.next()) != XmlPullParser.START_TAG 17067 && type != XmlPullParser.END_DOCUMENT) { 17068 } 17069 if (type != XmlPullParser.START_TAG) { 17070 // oops didn't find a start tag?! 17071 if (DEBUG_BACKUP) { 17072 Slog.e(TAG, "Didn't find start tag during restore"); 17073 } 17074 return; 17075 } 17076Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17077 // this is supposed to be TAG_PREFERRED_BACKUP 17078 if (!expectedStartTag.equals(parser.getName())) { 17079 if (DEBUG_BACKUP) { 17080 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17081 } 17082 return; 17083 } 17084 17085 // skip interfering stuff, then we're aligned with the backing implementation 17086 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17087Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17088 functor.apply(parser, userId); 17089 } 17090 17091 private interface BlobXmlRestorer { 17092 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17093 } 17094 17095 /** 17096 * Non-Binder method, support for the backup/restore mechanism: write the 17097 * full set of preferred activities in its canonical XML format. Returns the 17098 * XML output as a byte array, or null if there is none. 17099 */ 17100 @Override 17101 public byte[] getPreferredActivityBackup(int userId) { 17102 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17103 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17104 } 17105 17106 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17107 try { 17108 final XmlSerializer serializer = new FastXmlSerializer(); 17109 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17110 serializer.startDocument(null, true); 17111 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17112 17113 synchronized (mPackages) { 17114 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17115 } 17116 17117 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17118 serializer.endDocument(); 17119 serializer.flush(); 17120 } catch (Exception e) { 17121 if (DEBUG_BACKUP) { 17122 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17123 } 17124 return null; 17125 } 17126 17127 return dataStream.toByteArray(); 17128 } 17129 17130 @Override 17131 public void restorePreferredActivities(byte[] backup, int userId) { 17132 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17133 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17134 } 17135 17136 try { 17137 final XmlPullParser parser = Xml.newPullParser(); 17138 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17139 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17140 new BlobXmlRestorer() { 17141 @Override 17142 public void apply(XmlPullParser parser, int userId) 17143 throws XmlPullParserException, IOException { 17144 synchronized (mPackages) { 17145 mSettings.readPreferredActivitiesLPw(parser, userId); 17146 } 17147 } 17148 } ); 17149 } catch (Exception e) { 17150 if (DEBUG_BACKUP) { 17151 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17152 } 17153 } 17154 } 17155 17156 /** 17157 * Non-Binder method, support for the backup/restore mechanism: write the 17158 * default browser (etc) settings in its canonical XML format. Returns the default 17159 * browser XML representation as a byte array, or null if there is none. 17160 */ 17161 @Override 17162 public byte[] getDefaultAppsBackup(int userId) { 17163 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17164 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17165 } 17166 17167 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17168 try { 17169 final XmlSerializer serializer = new FastXmlSerializer(); 17170 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17171 serializer.startDocument(null, true); 17172 serializer.startTag(null, TAG_DEFAULT_APPS); 17173 17174 synchronized (mPackages) { 17175 mSettings.writeDefaultAppsLPr(serializer, userId); 17176 } 17177 17178 serializer.endTag(null, TAG_DEFAULT_APPS); 17179 serializer.endDocument(); 17180 serializer.flush(); 17181 } catch (Exception e) { 17182 if (DEBUG_BACKUP) { 17183 Slog.e(TAG, "Unable to write default apps for backup", e); 17184 } 17185 return null; 17186 } 17187 17188 return dataStream.toByteArray(); 17189 } 17190 17191 @Override 17192 public void restoreDefaultApps(byte[] backup, int userId) { 17193 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17194 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17195 } 17196 17197 try { 17198 final XmlPullParser parser = Xml.newPullParser(); 17199 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17200 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17201 new BlobXmlRestorer() { 17202 @Override 17203 public void apply(XmlPullParser parser, int userId) 17204 throws XmlPullParserException, IOException { 17205 synchronized (mPackages) { 17206 mSettings.readDefaultAppsLPw(parser, userId); 17207 } 17208 } 17209 } ); 17210 } catch (Exception e) { 17211 if (DEBUG_BACKUP) { 17212 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17213 } 17214 } 17215 } 17216 17217 @Override 17218 public byte[] getIntentFilterVerificationBackup(int userId) { 17219 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17220 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17221 } 17222 17223 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17224 try { 17225 final XmlSerializer serializer = new FastXmlSerializer(); 17226 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17227 serializer.startDocument(null, true); 17228 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17229 17230 synchronized (mPackages) { 17231 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17232 } 17233 17234 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17235 serializer.endDocument(); 17236 serializer.flush(); 17237 } catch (Exception e) { 17238 if (DEBUG_BACKUP) { 17239 Slog.e(TAG, "Unable to write default apps for backup", e); 17240 } 17241 return null; 17242 } 17243 17244 return dataStream.toByteArray(); 17245 } 17246 17247 @Override 17248 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17249 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17250 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17251 } 17252 17253 try { 17254 final XmlPullParser parser = Xml.newPullParser(); 17255 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17256 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17257 new BlobXmlRestorer() { 17258 @Override 17259 public void apply(XmlPullParser parser, int userId) 17260 throws XmlPullParserException, IOException { 17261 synchronized (mPackages) { 17262 mSettings.readAllDomainVerificationsLPr(parser, userId); 17263 mSettings.writeLPr(); 17264 } 17265 } 17266 } ); 17267 } catch (Exception e) { 17268 if (DEBUG_BACKUP) { 17269 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17270 } 17271 } 17272 } 17273 17274 @Override 17275 public byte[] getPermissionGrantBackup(int userId) { 17276 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17277 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17278 } 17279 17280 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17281 try { 17282 final XmlSerializer serializer = new FastXmlSerializer(); 17283 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17284 serializer.startDocument(null, true); 17285 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17286 17287 synchronized (mPackages) { 17288 serializeRuntimePermissionGrantsLPr(serializer, userId); 17289 } 17290 17291 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17292 serializer.endDocument(); 17293 serializer.flush(); 17294 } catch (Exception e) { 17295 if (DEBUG_BACKUP) { 17296 Slog.e(TAG, "Unable to write default apps for backup", e); 17297 } 17298 return null; 17299 } 17300 17301 return dataStream.toByteArray(); 17302 } 17303 17304 @Override 17305 public void restorePermissionGrants(byte[] backup, int userId) { 17306 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17307 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17308 } 17309 17310 try { 17311 final XmlPullParser parser = Xml.newPullParser(); 17312 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17313 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17314 new BlobXmlRestorer() { 17315 @Override 17316 public void apply(XmlPullParser parser, int userId) 17317 throws XmlPullParserException, IOException { 17318 synchronized (mPackages) { 17319 processRestoredPermissionGrantsLPr(parser, userId); 17320 } 17321 } 17322 } ); 17323 } catch (Exception e) { 17324 if (DEBUG_BACKUP) { 17325 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17326 } 17327 } 17328 } 17329 17330 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17331 throws IOException { 17332 serializer.startTag(null, TAG_ALL_GRANTS); 17333 17334 final int N = mSettings.mPackages.size(); 17335 for (int i = 0; i < N; i++) { 17336 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17337 boolean pkgGrantsKnown = false; 17338 17339 PermissionsState packagePerms = ps.getPermissionsState(); 17340 17341 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17342 final int grantFlags = state.getFlags(); 17343 // only look at grants that are not system/policy fixed 17344 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17345 final boolean isGranted = state.isGranted(); 17346 // And only back up the user-twiddled state bits 17347 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17348 final String packageName = mSettings.mPackages.keyAt(i); 17349 if (!pkgGrantsKnown) { 17350 serializer.startTag(null, TAG_GRANT); 17351 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17352 pkgGrantsKnown = true; 17353 } 17354 17355 final boolean userSet = 17356 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17357 final boolean userFixed = 17358 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17359 final boolean revoke = 17360 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17361 17362 serializer.startTag(null, TAG_PERMISSION); 17363 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17364 if (isGranted) { 17365 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17366 } 17367 if (userSet) { 17368 serializer.attribute(null, ATTR_USER_SET, "true"); 17369 } 17370 if (userFixed) { 17371 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17372 } 17373 if (revoke) { 17374 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17375 } 17376 serializer.endTag(null, TAG_PERMISSION); 17377 } 17378 } 17379 } 17380 17381 if (pkgGrantsKnown) { 17382 serializer.endTag(null, TAG_GRANT); 17383 } 17384 } 17385 17386 serializer.endTag(null, TAG_ALL_GRANTS); 17387 } 17388 17389 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17390 throws XmlPullParserException, IOException { 17391 String pkgName = null; 17392 int outerDepth = parser.getDepth(); 17393 int type; 17394 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17395 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17396 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17397 continue; 17398 } 17399 17400 final String tagName = parser.getName(); 17401 if (tagName.equals(TAG_GRANT)) { 17402 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17403 if (DEBUG_BACKUP) { 17404 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17405 } 17406 } else if (tagName.equals(TAG_PERMISSION)) { 17407 17408 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17409 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17410 17411 int newFlagSet = 0; 17412 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17413 newFlagSet |= FLAG_PERMISSION_USER_SET; 17414 } 17415 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17416 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17417 } 17418 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17419 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17420 } 17421 if (DEBUG_BACKUP) { 17422 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17423 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17424 } 17425 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17426 if (ps != null) { 17427 // Already installed so we apply the grant immediately 17428 if (DEBUG_BACKUP) { 17429 Slog.v(TAG, " + already installed; applying"); 17430 } 17431 PermissionsState perms = ps.getPermissionsState(); 17432 BasePermission bp = mSettings.mPermissions.get(permName); 17433 if (bp != null) { 17434 if (isGranted) { 17435 perms.grantRuntimePermission(bp, userId); 17436 } 17437 if (newFlagSet != 0) { 17438 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17439 } 17440 } 17441 } else { 17442 // Need to wait for post-restore install to apply the grant 17443 if (DEBUG_BACKUP) { 17444 Slog.v(TAG, " - not yet installed; saving for later"); 17445 } 17446 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17447 isGranted, newFlagSet, userId); 17448 } 17449 } else { 17450 PackageManagerService.reportSettingsProblem(Log.WARN, 17451 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17452 XmlUtils.skipCurrentTag(parser); 17453 } 17454 } 17455 17456 scheduleWriteSettingsLocked(); 17457 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17458 } 17459 17460 @Override 17461 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17462 int sourceUserId, int targetUserId, int flags) { 17463 mContext.enforceCallingOrSelfPermission( 17464 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17465 int callingUid = Binder.getCallingUid(); 17466 enforceOwnerRights(ownerPackage, callingUid); 17467 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17468 if (intentFilter.countActions() == 0) { 17469 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17470 return; 17471 } 17472 synchronized (mPackages) { 17473 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17474 ownerPackage, targetUserId, flags); 17475 CrossProfileIntentResolver resolver = 17476 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17477 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17478 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17479 if (existing != null) { 17480 int size = existing.size(); 17481 for (int i = 0; i < size; i++) { 17482 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17483 return; 17484 } 17485 } 17486 } 17487 resolver.addFilter(newFilter); 17488 scheduleWritePackageRestrictionsLocked(sourceUserId); 17489 } 17490 } 17491 17492 @Override 17493 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17494 mContext.enforceCallingOrSelfPermission( 17495 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17496 int callingUid = Binder.getCallingUid(); 17497 enforceOwnerRights(ownerPackage, callingUid); 17498 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17499 synchronized (mPackages) { 17500 CrossProfileIntentResolver resolver = 17501 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17502 ArraySet<CrossProfileIntentFilter> set = 17503 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17504 for (CrossProfileIntentFilter filter : set) { 17505 if (filter.getOwnerPackage().equals(ownerPackage)) { 17506 resolver.removeFilter(filter); 17507 } 17508 } 17509 scheduleWritePackageRestrictionsLocked(sourceUserId); 17510 } 17511 } 17512 17513 // Enforcing that callingUid is owning pkg on userId 17514 private void enforceOwnerRights(String pkg, int callingUid) { 17515 // The system owns everything. 17516 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17517 return; 17518 } 17519 int callingUserId = UserHandle.getUserId(callingUid); 17520 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17521 if (pi == null) { 17522 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17523 + callingUserId); 17524 } 17525 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17526 throw new SecurityException("Calling uid " + callingUid 17527 + " does not own package " + pkg); 17528 } 17529 } 17530 17531 @Override 17532 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17533 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17534 } 17535 17536 private Intent getHomeIntent() { 17537 Intent intent = new Intent(Intent.ACTION_MAIN); 17538 intent.addCategory(Intent.CATEGORY_HOME); 17539 intent.addCategory(Intent.CATEGORY_DEFAULT); 17540 return intent; 17541 } 17542 17543 private IntentFilter getHomeFilter() { 17544 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17545 filter.addCategory(Intent.CATEGORY_HOME); 17546 filter.addCategory(Intent.CATEGORY_DEFAULT); 17547 return filter; 17548 } 17549 17550 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17551 int userId) { 17552 Intent intent = getHomeIntent(); 17553 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17554 PackageManager.GET_META_DATA, userId); 17555 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17556 true, false, false, userId); 17557 17558 allHomeCandidates.clear(); 17559 if (list != null) { 17560 for (ResolveInfo ri : list) { 17561 allHomeCandidates.add(ri); 17562 } 17563 } 17564 return (preferred == null || preferred.activityInfo == null) 17565 ? null 17566 : new ComponentName(preferred.activityInfo.packageName, 17567 preferred.activityInfo.name); 17568 } 17569 17570 @Override 17571 public void setHomeActivity(ComponentName comp, int userId) { 17572 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17573 getHomeActivitiesAsUser(homeActivities, userId); 17574 17575 boolean found = false; 17576 17577 final int size = homeActivities.size(); 17578 final ComponentName[] set = new ComponentName[size]; 17579 for (int i = 0; i < size; i++) { 17580 final ResolveInfo candidate = homeActivities.get(i); 17581 final ActivityInfo info = candidate.activityInfo; 17582 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17583 set[i] = activityName; 17584 if (!found && activityName.equals(comp)) { 17585 found = true; 17586 } 17587 } 17588 if (!found) { 17589 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17590 + userId); 17591 } 17592 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17593 set, comp, userId); 17594 } 17595 17596 private @Nullable String getSetupWizardPackageName() { 17597 final Intent intent = new Intent(Intent.ACTION_MAIN); 17598 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17599 17600 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17601 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17602 | MATCH_DISABLED_COMPONENTS, 17603 UserHandle.myUserId()); 17604 if (matches.size() == 1) { 17605 return matches.get(0).getComponentInfo().packageName; 17606 } else { 17607 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17608 + ": matches=" + matches); 17609 return null; 17610 } 17611 } 17612 17613 @Override 17614 public void setApplicationEnabledSetting(String appPackageName, 17615 int newState, int flags, int userId, String callingPackage) { 17616 if (!sUserManager.exists(userId)) return; 17617 if (callingPackage == null) { 17618 callingPackage = Integer.toString(Binder.getCallingUid()); 17619 } 17620 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17621 } 17622 17623 @Override 17624 public void setComponentEnabledSetting(ComponentName componentName, 17625 int newState, int flags, int userId) { 17626 if (!sUserManager.exists(userId)) return; 17627 setEnabledSetting(componentName.getPackageName(), 17628 componentName.getClassName(), newState, flags, userId, null); 17629 } 17630 17631 private void setEnabledSetting(final String packageName, String className, int newState, 17632 final int flags, int userId, String callingPackage) { 17633 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17634 || newState == COMPONENT_ENABLED_STATE_ENABLED 17635 || newState == COMPONENT_ENABLED_STATE_DISABLED 17636 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17637 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17638 throw new IllegalArgumentException("Invalid new component state: " 17639 + newState); 17640 } 17641 PackageSetting pkgSetting; 17642 final int uid = Binder.getCallingUid(); 17643 final int permission; 17644 if (uid == Process.SYSTEM_UID) { 17645 permission = PackageManager.PERMISSION_GRANTED; 17646 } else { 17647 permission = mContext.checkCallingOrSelfPermission( 17648 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17649 } 17650 enforceCrossUserPermission(uid, userId, 17651 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17652 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17653 boolean sendNow = false; 17654 boolean isApp = (className == null); 17655 String componentName = isApp ? packageName : className; 17656 int packageUid = -1; 17657 ArrayList<String> components; 17658 17659 // writer 17660 synchronized (mPackages) { 17661 pkgSetting = mSettings.mPackages.get(packageName); 17662 if (pkgSetting == null) { 17663 if (className == null) { 17664 throw new IllegalArgumentException("Unknown package: " + packageName); 17665 } 17666 throw new IllegalArgumentException( 17667 "Unknown component: " + packageName + "/" + className); 17668 } 17669 } 17670 17671 // Limit who can change which apps 17672 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17673 // Don't allow apps that don't have permission to modify other apps 17674 if (!allowedByPermission) { 17675 throw new SecurityException( 17676 "Permission Denial: attempt to change component state from pid=" 17677 + Binder.getCallingPid() 17678 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17679 } 17680 // Don't allow changing protected packages. 17681 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17682 throw new SecurityException("Cannot disable a protected package: " + packageName); 17683 } 17684 } 17685 17686 synchronized (mPackages) { 17687 if (uid == Process.SHELL_UID) { 17688 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17689 int oldState = pkgSetting.getEnabled(userId); 17690 if (className == null 17691 && 17692 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17693 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17694 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17695 && 17696 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17697 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17698 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17699 // ok 17700 } else { 17701 throw new SecurityException( 17702 "Shell cannot change component state for " + packageName + "/" 17703 + className + " to " + newState); 17704 } 17705 } 17706 if (className == null) { 17707 // We're dealing with an application/package level state change 17708 if (pkgSetting.getEnabled(userId) == newState) { 17709 // Nothing to do 17710 return; 17711 } 17712 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17713 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17714 // Don't care about who enables an app. 17715 callingPackage = null; 17716 } 17717 pkgSetting.setEnabled(newState, userId, callingPackage); 17718 // pkgSetting.pkg.mSetEnabled = newState; 17719 } else { 17720 // We're dealing with a component level state change 17721 // First, verify that this is a valid class name. 17722 PackageParser.Package pkg = pkgSetting.pkg; 17723 if (pkg == null || !pkg.hasComponentClassName(className)) { 17724 if (pkg != null && 17725 pkg.applicationInfo.targetSdkVersion >= 17726 Build.VERSION_CODES.JELLY_BEAN) { 17727 throw new IllegalArgumentException("Component class " + className 17728 + " does not exist in " + packageName); 17729 } else { 17730 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17731 + className + " does not exist in " + packageName); 17732 } 17733 } 17734 switch (newState) { 17735 case COMPONENT_ENABLED_STATE_ENABLED: 17736 if (!pkgSetting.enableComponentLPw(className, userId)) { 17737 return; 17738 } 17739 break; 17740 case COMPONENT_ENABLED_STATE_DISABLED: 17741 if (!pkgSetting.disableComponentLPw(className, userId)) { 17742 return; 17743 } 17744 break; 17745 case COMPONENT_ENABLED_STATE_DEFAULT: 17746 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17747 return; 17748 } 17749 break; 17750 default: 17751 Slog.e(TAG, "Invalid new component state: " + newState); 17752 return; 17753 } 17754 } 17755 scheduleWritePackageRestrictionsLocked(userId); 17756 components = mPendingBroadcasts.get(userId, packageName); 17757 final boolean newPackage = components == null; 17758 if (newPackage) { 17759 components = new ArrayList<String>(); 17760 } 17761 if (!components.contains(componentName)) { 17762 components.add(componentName); 17763 } 17764 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17765 sendNow = true; 17766 // Purge entry from pending broadcast list if another one exists already 17767 // since we are sending one right away. 17768 mPendingBroadcasts.remove(userId, packageName); 17769 } else { 17770 if (newPackage) { 17771 mPendingBroadcasts.put(userId, packageName, components); 17772 } 17773 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17774 // Schedule a message 17775 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17776 } 17777 } 17778 } 17779 17780 long callingId = Binder.clearCallingIdentity(); 17781 try { 17782 if (sendNow) { 17783 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17784 sendPackageChangedBroadcast(packageName, 17785 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17786 } 17787 } finally { 17788 Binder.restoreCallingIdentity(callingId); 17789 } 17790 } 17791 17792 @Override 17793 public void flushPackageRestrictionsAsUser(int userId) { 17794 if (!sUserManager.exists(userId)) { 17795 return; 17796 } 17797 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17798 false /* checkShell */, "flushPackageRestrictions"); 17799 synchronized (mPackages) { 17800 mSettings.writePackageRestrictionsLPr(userId); 17801 mDirtyUsers.remove(userId); 17802 if (mDirtyUsers.isEmpty()) { 17803 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17804 } 17805 } 17806 } 17807 17808 private void sendPackageChangedBroadcast(String packageName, 17809 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17810 if (DEBUG_INSTALL) 17811 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17812 + componentNames); 17813 Bundle extras = new Bundle(4); 17814 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17815 String nameList[] = new String[componentNames.size()]; 17816 componentNames.toArray(nameList); 17817 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17818 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17819 extras.putInt(Intent.EXTRA_UID, packageUid); 17820 // If this is not reporting a change of the overall package, then only send it 17821 // to registered receivers. We don't want to launch a swath of apps for every 17822 // little component state change. 17823 final int flags = !componentNames.contains(packageName) 17824 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17825 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17826 new int[] {UserHandle.getUserId(packageUid)}); 17827 } 17828 17829 @Override 17830 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17831 if (!sUserManager.exists(userId)) return; 17832 final int uid = Binder.getCallingUid(); 17833 final int permission = mContext.checkCallingOrSelfPermission( 17834 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17835 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17836 enforceCrossUserPermission(uid, userId, 17837 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17838 // writer 17839 synchronized (mPackages) { 17840 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17841 allowedByPermission, uid, userId)) { 17842 scheduleWritePackageRestrictionsLocked(userId); 17843 } 17844 } 17845 } 17846 17847 @Override 17848 public String getInstallerPackageName(String packageName) { 17849 // reader 17850 synchronized (mPackages) { 17851 return mSettings.getInstallerPackageNameLPr(packageName); 17852 } 17853 } 17854 17855 public boolean isOrphaned(String packageName) { 17856 // reader 17857 synchronized (mPackages) { 17858 return mSettings.isOrphaned(packageName); 17859 } 17860 } 17861 17862 @Override 17863 public int getApplicationEnabledSetting(String packageName, int userId) { 17864 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17865 int uid = Binder.getCallingUid(); 17866 enforceCrossUserPermission(uid, userId, 17867 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17868 // reader 17869 synchronized (mPackages) { 17870 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17871 } 17872 } 17873 17874 @Override 17875 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17876 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17877 int uid = Binder.getCallingUid(); 17878 enforceCrossUserPermission(uid, userId, 17879 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17880 // reader 17881 synchronized (mPackages) { 17882 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17883 } 17884 } 17885 17886 @Override 17887 public void enterSafeMode() { 17888 enforceSystemOrRoot("Only the system can request entering safe mode"); 17889 17890 if (!mSystemReady) { 17891 mSafeMode = true; 17892 } 17893 } 17894 17895 @Override 17896 public void systemReady() { 17897 mSystemReady = true; 17898 17899 // Read the compatibilty setting when the system is ready. 17900 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17901 mContext.getContentResolver(), 17902 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17903 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17904 if (DEBUG_SETTINGS) { 17905 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17906 } 17907 17908 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17909 17910 synchronized (mPackages) { 17911 // Verify that all of the preferred activity components actually 17912 // exist. It is possible for applications to be updated and at 17913 // that point remove a previously declared activity component that 17914 // had been set as a preferred activity. We try to clean this up 17915 // the next time we encounter that preferred activity, but it is 17916 // possible for the user flow to never be able to return to that 17917 // situation so here we do a sanity check to make sure we haven't 17918 // left any junk around. 17919 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17920 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17921 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17922 removed.clear(); 17923 for (PreferredActivity pa : pir.filterSet()) { 17924 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17925 removed.add(pa); 17926 } 17927 } 17928 if (removed.size() > 0) { 17929 for (int r=0; r<removed.size(); r++) { 17930 PreferredActivity pa = removed.get(r); 17931 Slog.w(TAG, "Removing dangling preferred activity: " 17932 + pa.mPref.mComponent); 17933 pir.removeFilter(pa); 17934 } 17935 mSettings.writePackageRestrictionsLPr( 17936 mSettings.mPreferredActivities.keyAt(i)); 17937 } 17938 } 17939 17940 for (int userId : UserManagerService.getInstance().getUserIds()) { 17941 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17942 grantPermissionsUserIds = ArrayUtils.appendInt( 17943 grantPermissionsUserIds, userId); 17944 } 17945 } 17946 } 17947 sUserManager.systemReady(); 17948 17949 // If we upgraded grant all default permissions before kicking off. 17950 for (int userId : grantPermissionsUserIds) { 17951 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17952 } 17953 17954 // Kick off any messages waiting for system ready 17955 if (mPostSystemReadyMessages != null) { 17956 for (Message msg : mPostSystemReadyMessages) { 17957 msg.sendToTarget(); 17958 } 17959 mPostSystemReadyMessages = null; 17960 } 17961 17962 // Watch for external volumes that come and go over time 17963 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17964 storage.registerListener(mStorageListener); 17965 17966 mInstallerService.systemReady(); 17967 mPackageDexOptimizer.systemReady(); 17968 17969 MountServiceInternal mountServiceInternal = LocalServices.getService( 17970 MountServiceInternal.class); 17971 mountServiceInternal.addExternalStoragePolicy( 17972 new MountServiceInternal.ExternalStorageMountPolicy() { 17973 @Override 17974 public int getMountMode(int uid, String packageName) { 17975 if (Process.isIsolated(uid)) { 17976 return Zygote.MOUNT_EXTERNAL_NONE; 17977 } 17978 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17979 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17980 } 17981 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17982 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17983 } 17984 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17985 return Zygote.MOUNT_EXTERNAL_READ; 17986 } 17987 return Zygote.MOUNT_EXTERNAL_WRITE; 17988 } 17989 17990 @Override 17991 public boolean hasExternalStorage(int uid, String packageName) { 17992 return true; 17993 } 17994 }); 17995 17996 // Now that we're mostly running, clean up stale users and apps 17997 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17998 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17999 } 18000 18001 @Override 18002 public boolean isSafeMode() { 18003 return mSafeMode; 18004 } 18005 18006 @Override 18007 public boolean hasSystemUidErrors() { 18008 return mHasSystemUidErrors; 18009 } 18010 18011 static String arrayToString(int[] array) { 18012 StringBuffer buf = new StringBuffer(128); 18013 buf.append('['); 18014 if (array != null) { 18015 for (int i=0; i<array.length; i++) { 18016 if (i > 0) buf.append(", "); 18017 buf.append(array[i]); 18018 } 18019 } 18020 buf.append(']'); 18021 return buf.toString(); 18022 } 18023 18024 static class DumpState { 18025 public static final int DUMP_LIBS = 1 << 0; 18026 public static final int DUMP_FEATURES = 1 << 1; 18027 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18028 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18029 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18030 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18031 public static final int DUMP_PERMISSIONS = 1 << 6; 18032 public static final int DUMP_PACKAGES = 1 << 7; 18033 public static final int DUMP_SHARED_USERS = 1 << 8; 18034 public static final int DUMP_MESSAGES = 1 << 9; 18035 public static final int DUMP_PROVIDERS = 1 << 10; 18036 public static final int DUMP_VERIFIERS = 1 << 11; 18037 public static final int DUMP_PREFERRED = 1 << 12; 18038 public static final int DUMP_PREFERRED_XML = 1 << 13; 18039 public static final int DUMP_KEYSETS = 1 << 14; 18040 public static final int DUMP_VERSION = 1 << 15; 18041 public static final int DUMP_INSTALLS = 1 << 16; 18042 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18043 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18044 public static final int DUMP_FROZEN = 1 << 19; 18045 public static final int DUMP_DEXOPT = 1 << 20; 18046 public static final int DUMP_COMPILER_STATS = 1 << 21; 18047 18048 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18049 18050 private int mTypes; 18051 18052 private int mOptions; 18053 18054 private boolean mTitlePrinted; 18055 18056 private SharedUserSetting mSharedUser; 18057 18058 public boolean isDumping(int type) { 18059 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18060 return true; 18061 } 18062 18063 return (mTypes & type) != 0; 18064 } 18065 18066 public void setDump(int type) { 18067 mTypes |= type; 18068 } 18069 18070 public boolean isOptionEnabled(int option) { 18071 return (mOptions & option) != 0; 18072 } 18073 18074 public void setOptionEnabled(int option) { 18075 mOptions |= option; 18076 } 18077 18078 public boolean onTitlePrinted() { 18079 final boolean printed = mTitlePrinted; 18080 mTitlePrinted = true; 18081 return printed; 18082 } 18083 18084 public boolean getTitlePrinted() { 18085 return mTitlePrinted; 18086 } 18087 18088 public void setTitlePrinted(boolean enabled) { 18089 mTitlePrinted = enabled; 18090 } 18091 18092 public SharedUserSetting getSharedUser() { 18093 return mSharedUser; 18094 } 18095 18096 public void setSharedUser(SharedUserSetting user) { 18097 mSharedUser = user; 18098 } 18099 } 18100 18101 @Override 18102 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18103 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18104 (new PackageManagerShellCommand(this)).exec( 18105 this, in, out, err, args, resultReceiver); 18106 } 18107 18108 @Override 18109 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18110 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18111 != PackageManager.PERMISSION_GRANTED) { 18112 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18113 + Binder.getCallingPid() 18114 + ", uid=" + Binder.getCallingUid() 18115 + " without permission " 18116 + android.Manifest.permission.DUMP); 18117 return; 18118 } 18119 18120 DumpState dumpState = new DumpState(); 18121 boolean fullPreferred = false; 18122 boolean checkin = false; 18123 18124 String packageName = null; 18125 ArraySet<String> permissionNames = null; 18126 18127 int opti = 0; 18128 while (opti < args.length) { 18129 String opt = args[opti]; 18130 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18131 break; 18132 } 18133 opti++; 18134 18135 if ("-a".equals(opt)) { 18136 // Right now we only know how to print all. 18137 } else if ("-h".equals(opt)) { 18138 pw.println("Package manager dump options:"); 18139 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18140 pw.println(" --checkin: dump for a checkin"); 18141 pw.println(" -f: print details of intent filters"); 18142 pw.println(" -h: print this help"); 18143 pw.println(" cmd may be one of:"); 18144 pw.println(" l[ibraries]: list known shared libraries"); 18145 pw.println(" f[eatures]: list device features"); 18146 pw.println(" k[eysets]: print known keysets"); 18147 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18148 pw.println(" perm[issions]: dump permissions"); 18149 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18150 pw.println(" pref[erred]: print preferred package settings"); 18151 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18152 pw.println(" prov[iders]: dump content providers"); 18153 pw.println(" p[ackages]: dump installed packages"); 18154 pw.println(" s[hared-users]: dump shared user IDs"); 18155 pw.println(" m[essages]: print collected runtime messages"); 18156 pw.println(" v[erifiers]: print package verifier info"); 18157 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18158 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18159 pw.println(" version: print database version info"); 18160 pw.println(" write: write current settings now"); 18161 pw.println(" installs: details about install sessions"); 18162 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18163 pw.println(" dexopt: dump dexopt state"); 18164 pw.println(" compiler-stats: dump compiler statistics"); 18165 pw.println(" <package.name>: info about given package"); 18166 return; 18167 } else if ("--checkin".equals(opt)) { 18168 checkin = true; 18169 } else if ("-f".equals(opt)) { 18170 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18171 } else { 18172 pw.println("Unknown argument: " + opt + "; use -h for help"); 18173 } 18174 } 18175 18176 // Is the caller requesting to dump a particular piece of data? 18177 if (opti < args.length) { 18178 String cmd = args[opti]; 18179 opti++; 18180 // Is this a package name? 18181 if ("android".equals(cmd) || cmd.contains(".")) { 18182 packageName = cmd; 18183 // When dumping a single package, we always dump all of its 18184 // filter information since the amount of data will be reasonable. 18185 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18186 } else if ("check-permission".equals(cmd)) { 18187 if (opti >= args.length) { 18188 pw.println("Error: check-permission missing permission argument"); 18189 return; 18190 } 18191 String perm = args[opti]; 18192 opti++; 18193 if (opti >= args.length) { 18194 pw.println("Error: check-permission missing package argument"); 18195 return; 18196 } 18197 String pkg = args[opti]; 18198 opti++; 18199 int user = UserHandle.getUserId(Binder.getCallingUid()); 18200 if (opti < args.length) { 18201 try { 18202 user = Integer.parseInt(args[opti]); 18203 } catch (NumberFormatException e) { 18204 pw.println("Error: check-permission user argument is not a number: " 18205 + args[opti]); 18206 return; 18207 } 18208 } 18209 pw.println(checkPermission(perm, pkg, user)); 18210 return; 18211 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18212 dumpState.setDump(DumpState.DUMP_LIBS); 18213 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18214 dumpState.setDump(DumpState.DUMP_FEATURES); 18215 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18216 if (opti >= args.length) { 18217 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18218 | DumpState.DUMP_SERVICE_RESOLVERS 18219 | DumpState.DUMP_RECEIVER_RESOLVERS 18220 | DumpState.DUMP_CONTENT_RESOLVERS); 18221 } else { 18222 while (opti < args.length) { 18223 String name = args[opti]; 18224 if ("a".equals(name) || "activity".equals(name)) { 18225 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18226 } else if ("s".equals(name) || "service".equals(name)) { 18227 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18228 } else if ("r".equals(name) || "receiver".equals(name)) { 18229 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18230 } else if ("c".equals(name) || "content".equals(name)) { 18231 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18232 } else { 18233 pw.println("Error: unknown resolver table type: " + name); 18234 return; 18235 } 18236 opti++; 18237 } 18238 } 18239 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18240 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18241 } else if ("permission".equals(cmd)) { 18242 if (opti >= args.length) { 18243 pw.println("Error: permission requires permission name"); 18244 return; 18245 } 18246 permissionNames = new ArraySet<>(); 18247 while (opti < args.length) { 18248 permissionNames.add(args[opti]); 18249 opti++; 18250 } 18251 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18252 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18253 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18254 dumpState.setDump(DumpState.DUMP_PREFERRED); 18255 } else if ("preferred-xml".equals(cmd)) { 18256 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18257 if (opti < args.length && "--full".equals(args[opti])) { 18258 fullPreferred = true; 18259 opti++; 18260 } 18261 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18262 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18263 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18264 dumpState.setDump(DumpState.DUMP_PACKAGES); 18265 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18266 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18267 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18268 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18269 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18270 dumpState.setDump(DumpState.DUMP_MESSAGES); 18271 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18272 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18273 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18274 || "intent-filter-verifiers".equals(cmd)) { 18275 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18276 } else if ("version".equals(cmd)) { 18277 dumpState.setDump(DumpState.DUMP_VERSION); 18278 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18279 dumpState.setDump(DumpState.DUMP_KEYSETS); 18280 } else if ("installs".equals(cmd)) { 18281 dumpState.setDump(DumpState.DUMP_INSTALLS); 18282 } else if ("frozen".equals(cmd)) { 18283 dumpState.setDump(DumpState.DUMP_FROZEN); 18284 } else if ("dexopt".equals(cmd)) { 18285 dumpState.setDump(DumpState.DUMP_DEXOPT); 18286 } else if ("compiler-stats".equals(cmd)) { 18287 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18288 } else if ("write".equals(cmd)) { 18289 synchronized (mPackages) { 18290 mSettings.writeLPr(); 18291 pw.println("Settings written."); 18292 return; 18293 } 18294 } 18295 } 18296 18297 if (checkin) { 18298 pw.println("vers,1"); 18299 } 18300 18301 // reader 18302 synchronized (mPackages) { 18303 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18304 if (!checkin) { 18305 if (dumpState.onTitlePrinted()) 18306 pw.println(); 18307 pw.println("Database versions:"); 18308 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18309 } 18310 } 18311 18312 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18313 if (!checkin) { 18314 if (dumpState.onTitlePrinted()) 18315 pw.println(); 18316 pw.println("Verifiers:"); 18317 pw.print(" Required: "); 18318 pw.print(mRequiredVerifierPackage); 18319 pw.print(" (uid="); 18320 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18321 UserHandle.USER_SYSTEM)); 18322 pw.println(")"); 18323 } else if (mRequiredVerifierPackage != null) { 18324 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18325 pw.print(","); 18326 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18327 UserHandle.USER_SYSTEM)); 18328 } 18329 } 18330 18331 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18332 packageName == null) { 18333 if (mIntentFilterVerifierComponent != null) { 18334 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18335 if (!checkin) { 18336 if (dumpState.onTitlePrinted()) 18337 pw.println(); 18338 pw.println("Intent Filter Verifier:"); 18339 pw.print(" Using: "); 18340 pw.print(verifierPackageName); 18341 pw.print(" (uid="); 18342 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18343 UserHandle.USER_SYSTEM)); 18344 pw.println(")"); 18345 } else if (verifierPackageName != null) { 18346 pw.print("ifv,"); pw.print(verifierPackageName); 18347 pw.print(","); 18348 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18349 UserHandle.USER_SYSTEM)); 18350 } 18351 } else { 18352 pw.println(); 18353 pw.println("No Intent Filter Verifier available!"); 18354 } 18355 } 18356 18357 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18358 boolean printedHeader = false; 18359 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18360 while (it.hasNext()) { 18361 String name = it.next(); 18362 SharedLibraryEntry ent = mSharedLibraries.get(name); 18363 if (!checkin) { 18364 if (!printedHeader) { 18365 if (dumpState.onTitlePrinted()) 18366 pw.println(); 18367 pw.println("Libraries:"); 18368 printedHeader = true; 18369 } 18370 pw.print(" "); 18371 } else { 18372 pw.print("lib,"); 18373 } 18374 pw.print(name); 18375 if (!checkin) { 18376 pw.print(" -> "); 18377 } 18378 if (ent.path != null) { 18379 if (!checkin) { 18380 pw.print("(jar) "); 18381 pw.print(ent.path); 18382 } else { 18383 pw.print(",jar,"); 18384 pw.print(ent.path); 18385 } 18386 } else { 18387 if (!checkin) { 18388 pw.print("(apk) "); 18389 pw.print(ent.apk); 18390 } else { 18391 pw.print(",apk,"); 18392 pw.print(ent.apk); 18393 } 18394 } 18395 pw.println(); 18396 } 18397 } 18398 18399 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18400 if (dumpState.onTitlePrinted()) 18401 pw.println(); 18402 if (!checkin) { 18403 pw.println("Features:"); 18404 } 18405 18406 for (FeatureInfo feat : mAvailableFeatures.values()) { 18407 if (checkin) { 18408 pw.print("feat,"); 18409 pw.print(feat.name); 18410 pw.print(","); 18411 pw.println(feat.version); 18412 } else { 18413 pw.print(" "); 18414 pw.print(feat.name); 18415 if (feat.version > 0) { 18416 pw.print(" version="); 18417 pw.print(feat.version); 18418 } 18419 pw.println(); 18420 } 18421 } 18422 } 18423 18424 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18425 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18426 : "Activity Resolver Table:", " ", packageName, 18427 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18428 dumpState.setTitlePrinted(true); 18429 } 18430 } 18431 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18432 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18433 : "Receiver Resolver Table:", " ", packageName, 18434 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18435 dumpState.setTitlePrinted(true); 18436 } 18437 } 18438 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18439 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18440 : "Service Resolver Table:", " ", packageName, 18441 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18442 dumpState.setTitlePrinted(true); 18443 } 18444 } 18445 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18446 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18447 : "Provider Resolver Table:", " ", packageName, 18448 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18449 dumpState.setTitlePrinted(true); 18450 } 18451 } 18452 18453 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18454 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18455 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18456 int user = mSettings.mPreferredActivities.keyAt(i); 18457 if (pir.dump(pw, 18458 dumpState.getTitlePrinted() 18459 ? "\nPreferred Activities User " + user + ":" 18460 : "Preferred Activities User " + user + ":", " ", 18461 packageName, true, false)) { 18462 dumpState.setTitlePrinted(true); 18463 } 18464 } 18465 } 18466 18467 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18468 pw.flush(); 18469 FileOutputStream fout = new FileOutputStream(fd); 18470 BufferedOutputStream str = new BufferedOutputStream(fout); 18471 XmlSerializer serializer = new FastXmlSerializer(); 18472 try { 18473 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18474 serializer.startDocument(null, true); 18475 serializer.setFeature( 18476 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18477 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18478 serializer.endDocument(); 18479 serializer.flush(); 18480 } catch (IllegalArgumentException e) { 18481 pw.println("Failed writing: " + e); 18482 } catch (IllegalStateException e) { 18483 pw.println("Failed writing: " + e); 18484 } catch (IOException e) { 18485 pw.println("Failed writing: " + e); 18486 } 18487 } 18488 18489 if (!checkin 18490 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18491 && packageName == null) { 18492 pw.println(); 18493 int count = mSettings.mPackages.size(); 18494 if (count == 0) { 18495 pw.println("No applications!"); 18496 pw.println(); 18497 } else { 18498 final String prefix = " "; 18499 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18500 if (allPackageSettings.size() == 0) { 18501 pw.println("No domain preferred apps!"); 18502 pw.println(); 18503 } else { 18504 pw.println("App verification status:"); 18505 pw.println(); 18506 count = 0; 18507 for (PackageSetting ps : allPackageSettings) { 18508 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18509 if (ivi == null || ivi.getPackageName() == null) continue; 18510 pw.println(prefix + "Package: " + ivi.getPackageName()); 18511 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18512 pw.println(prefix + "Status: " + ivi.getStatusString()); 18513 pw.println(); 18514 count++; 18515 } 18516 if (count == 0) { 18517 pw.println(prefix + "No app verification established."); 18518 pw.println(); 18519 } 18520 for (int userId : sUserManager.getUserIds()) { 18521 pw.println("App linkages for user " + userId + ":"); 18522 pw.println(); 18523 count = 0; 18524 for (PackageSetting ps : allPackageSettings) { 18525 final long status = ps.getDomainVerificationStatusForUser(userId); 18526 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18527 continue; 18528 } 18529 pw.println(prefix + "Package: " + ps.name); 18530 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18531 String statusStr = IntentFilterVerificationInfo. 18532 getStatusStringFromValue(status); 18533 pw.println(prefix + "Status: " + statusStr); 18534 pw.println(); 18535 count++; 18536 } 18537 if (count == 0) { 18538 pw.println(prefix + "No configured app linkages."); 18539 pw.println(); 18540 } 18541 } 18542 } 18543 } 18544 } 18545 18546 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18547 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18548 if (packageName == null && permissionNames == null) { 18549 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18550 if (iperm == 0) { 18551 if (dumpState.onTitlePrinted()) 18552 pw.println(); 18553 pw.println("AppOp Permissions:"); 18554 } 18555 pw.print(" AppOp Permission "); 18556 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18557 pw.println(":"); 18558 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18559 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18560 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18561 } 18562 } 18563 } 18564 } 18565 18566 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18567 boolean printedSomething = false; 18568 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18569 if (packageName != null && !packageName.equals(p.info.packageName)) { 18570 continue; 18571 } 18572 if (!printedSomething) { 18573 if (dumpState.onTitlePrinted()) 18574 pw.println(); 18575 pw.println("Registered ContentProviders:"); 18576 printedSomething = true; 18577 } 18578 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18579 pw.print(" "); pw.println(p.toString()); 18580 } 18581 printedSomething = false; 18582 for (Map.Entry<String, PackageParser.Provider> entry : 18583 mProvidersByAuthority.entrySet()) { 18584 PackageParser.Provider p = entry.getValue(); 18585 if (packageName != null && !packageName.equals(p.info.packageName)) { 18586 continue; 18587 } 18588 if (!printedSomething) { 18589 if (dumpState.onTitlePrinted()) 18590 pw.println(); 18591 pw.println("ContentProvider Authorities:"); 18592 printedSomething = true; 18593 } 18594 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18595 pw.print(" "); pw.println(p.toString()); 18596 if (p.info != null && p.info.applicationInfo != null) { 18597 final String appInfo = p.info.applicationInfo.toString(); 18598 pw.print(" applicationInfo="); pw.println(appInfo); 18599 } 18600 } 18601 } 18602 18603 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18604 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18605 } 18606 18607 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18608 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18609 } 18610 18611 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18612 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18613 } 18614 18615 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18616 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18617 } 18618 18619 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18620 // XXX should handle packageName != null by dumping only install data that 18621 // the given package is involved with. 18622 if (dumpState.onTitlePrinted()) pw.println(); 18623 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18624 } 18625 18626 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18627 // XXX should handle packageName != null by dumping only install data that 18628 // the given package is involved with. 18629 if (dumpState.onTitlePrinted()) pw.println(); 18630 18631 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18632 ipw.println(); 18633 ipw.println("Frozen packages:"); 18634 ipw.increaseIndent(); 18635 if (mFrozenPackages.size() == 0) { 18636 ipw.println("(none)"); 18637 } else { 18638 for (int i = 0; i < mFrozenPackages.size(); i++) { 18639 ipw.println(mFrozenPackages.valueAt(i)); 18640 } 18641 } 18642 ipw.decreaseIndent(); 18643 } 18644 18645 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18646 if (dumpState.onTitlePrinted()) pw.println(); 18647 dumpDexoptStateLPr(pw, packageName); 18648 } 18649 18650 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 18651 if (dumpState.onTitlePrinted()) pw.println(); 18652 dumpCompilerStatsLPr(pw, packageName); 18653 } 18654 18655 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18656 if (dumpState.onTitlePrinted()) pw.println(); 18657 mSettings.dumpReadMessagesLPr(pw, dumpState); 18658 18659 pw.println(); 18660 pw.println("Package warning messages:"); 18661 BufferedReader in = null; 18662 String line = null; 18663 try { 18664 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18665 while ((line = in.readLine()) != null) { 18666 if (line.contains("ignored: updated version")) continue; 18667 pw.println(line); 18668 } 18669 } catch (IOException ignored) { 18670 } finally { 18671 IoUtils.closeQuietly(in); 18672 } 18673 } 18674 18675 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18676 BufferedReader in = null; 18677 String line = null; 18678 try { 18679 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18680 while ((line = in.readLine()) != null) { 18681 if (line.contains("ignored: updated version")) continue; 18682 pw.print("msg,"); 18683 pw.println(line); 18684 } 18685 } catch (IOException ignored) { 18686 } finally { 18687 IoUtils.closeQuietly(in); 18688 } 18689 } 18690 } 18691 } 18692 18693 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18694 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18695 ipw.println(); 18696 ipw.println("Dexopt state:"); 18697 ipw.increaseIndent(); 18698 Collection<PackageParser.Package> packages = null; 18699 if (packageName != null) { 18700 PackageParser.Package targetPackage = mPackages.get(packageName); 18701 if (targetPackage != null) { 18702 packages = Collections.singletonList(targetPackage); 18703 } else { 18704 ipw.println("Unable to find package: " + packageName); 18705 return; 18706 } 18707 } else { 18708 packages = mPackages.values(); 18709 } 18710 18711 for (PackageParser.Package pkg : packages) { 18712 ipw.println("[" + pkg.packageName + "]"); 18713 ipw.increaseIndent(); 18714 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18715 ipw.decreaseIndent(); 18716 } 18717 } 18718 18719 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 18720 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18721 ipw.println(); 18722 ipw.println("Compiler stats:"); 18723 ipw.increaseIndent(); 18724 Collection<PackageParser.Package> packages = null; 18725 if (packageName != null) { 18726 PackageParser.Package targetPackage = mPackages.get(packageName); 18727 if (targetPackage != null) { 18728 packages = Collections.singletonList(targetPackage); 18729 } else { 18730 ipw.println("Unable to find package: " + packageName); 18731 return; 18732 } 18733 } else { 18734 packages = mPackages.values(); 18735 } 18736 18737 for (PackageParser.Package pkg : packages) { 18738 ipw.println("[" + pkg.packageName + "]"); 18739 ipw.increaseIndent(); 18740 18741 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 18742 if (stats == null) { 18743 ipw.println("(No recorded stats)"); 18744 } else { 18745 stats.dump(ipw); 18746 } 18747 ipw.decreaseIndent(); 18748 } 18749 } 18750 18751 private String dumpDomainString(String packageName) { 18752 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18753 .getList(); 18754 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18755 18756 ArraySet<String> result = new ArraySet<>(); 18757 if (iviList.size() > 0) { 18758 for (IntentFilterVerificationInfo ivi : iviList) { 18759 for (String host : ivi.getDomains()) { 18760 result.add(host); 18761 } 18762 } 18763 } 18764 if (filters != null && filters.size() > 0) { 18765 for (IntentFilter filter : filters) { 18766 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18767 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18768 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18769 result.addAll(filter.getHostsList()); 18770 } 18771 } 18772 } 18773 18774 StringBuilder sb = new StringBuilder(result.size() * 16); 18775 for (String domain : result) { 18776 if (sb.length() > 0) sb.append(" "); 18777 sb.append(domain); 18778 } 18779 return sb.toString(); 18780 } 18781 18782 // ------- apps on sdcard specific code ------- 18783 static final boolean DEBUG_SD_INSTALL = false; 18784 18785 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18786 18787 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18788 18789 private boolean mMediaMounted = false; 18790 18791 static String getEncryptKey() { 18792 try { 18793 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18794 SD_ENCRYPTION_KEYSTORE_NAME); 18795 if (sdEncKey == null) { 18796 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18797 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18798 if (sdEncKey == null) { 18799 Slog.e(TAG, "Failed to create encryption keys"); 18800 return null; 18801 } 18802 } 18803 return sdEncKey; 18804 } catch (NoSuchAlgorithmException nsae) { 18805 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18806 return null; 18807 } catch (IOException ioe) { 18808 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18809 return null; 18810 } 18811 } 18812 18813 /* 18814 * Update media status on PackageManager. 18815 */ 18816 @Override 18817 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18818 int callingUid = Binder.getCallingUid(); 18819 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18820 throw new SecurityException("Media status can only be updated by the system"); 18821 } 18822 // reader; this apparently protects mMediaMounted, but should probably 18823 // be a different lock in that case. 18824 synchronized (mPackages) { 18825 Log.i(TAG, "Updating external media status from " 18826 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18827 + (mediaStatus ? "mounted" : "unmounted")); 18828 if (DEBUG_SD_INSTALL) 18829 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18830 + ", mMediaMounted=" + mMediaMounted); 18831 if (mediaStatus == mMediaMounted) { 18832 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18833 : 0, -1); 18834 mHandler.sendMessage(msg); 18835 return; 18836 } 18837 mMediaMounted = mediaStatus; 18838 } 18839 // Queue up an async operation since the package installation may take a 18840 // little while. 18841 mHandler.post(new Runnable() { 18842 public void run() { 18843 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18844 } 18845 }); 18846 } 18847 18848 /** 18849 * Called by MountService when the initial ASECs to scan are available. 18850 * Should block until all the ASEC containers are finished being scanned. 18851 */ 18852 public void scanAvailableAsecs() { 18853 updateExternalMediaStatusInner(true, false, false); 18854 } 18855 18856 /* 18857 * Collect information of applications on external media, map them against 18858 * existing containers and update information based on current mount status. 18859 * Please note that we always have to report status if reportStatus has been 18860 * set to true especially when unloading packages. 18861 */ 18862 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18863 boolean externalStorage) { 18864 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18865 int[] uidArr = EmptyArray.INT; 18866 18867 final String[] list = PackageHelper.getSecureContainerList(); 18868 if (ArrayUtils.isEmpty(list)) { 18869 Log.i(TAG, "No secure containers found"); 18870 } else { 18871 // Process list of secure containers and categorize them 18872 // as active or stale based on their package internal state. 18873 18874 // reader 18875 synchronized (mPackages) { 18876 for (String cid : list) { 18877 // Leave stages untouched for now; installer service owns them 18878 if (PackageInstallerService.isStageName(cid)) continue; 18879 18880 if (DEBUG_SD_INSTALL) 18881 Log.i(TAG, "Processing container " + cid); 18882 String pkgName = getAsecPackageName(cid); 18883 if (pkgName == null) { 18884 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18885 continue; 18886 } 18887 if (DEBUG_SD_INSTALL) 18888 Log.i(TAG, "Looking for pkg : " + pkgName); 18889 18890 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18891 if (ps == null) { 18892 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18893 continue; 18894 } 18895 18896 /* 18897 * Skip packages that are not external if we're unmounting 18898 * external storage. 18899 */ 18900 if (externalStorage && !isMounted && !isExternal(ps)) { 18901 continue; 18902 } 18903 18904 final AsecInstallArgs args = new AsecInstallArgs(cid, 18905 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18906 // The package status is changed only if the code path 18907 // matches between settings and the container id. 18908 if (ps.codePathString != null 18909 && ps.codePathString.startsWith(args.getCodePath())) { 18910 if (DEBUG_SD_INSTALL) { 18911 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18912 + " at code path: " + ps.codePathString); 18913 } 18914 18915 // We do have a valid package installed on sdcard 18916 processCids.put(args, ps.codePathString); 18917 final int uid = ps.appId; 18918 if (uid != -1) { 18919 uidArr = ArrayUtils.appendInt(uidArr, uid); 18920 } 18921 } else { 18922 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18923 + ps.codePathString); 18924 } 18925 } 18926 } 18927 18928 Arrays.sort(uidArr); 18929 } 18930 18931 // Process packages with valid entries. 18932 if (isMounted) { 18933 if (DEBUG_SD_INSTALL) 18934 Log.i(TAG, "Loading packages"); 18935 loadMediaPackages(processCids, uidArr, externalStorage); 18936 startCleaningPackages(); 18937 mInstallerService.onSecureContainersAvailable(); 18938 } else { 18939 if (DEBUG_SD_INSTALL) 18940 Log.i(TAG, "Unloading packages"); 18941 unloadMediaPackages(processCids, uidArr, reportStatus); 18942 } 18943 } 18944 18945 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18946 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18947 final int size = infos.size(); 18948 final String[] packageNames = new String[size]; 18949 final int[] packageUids = new int[size]; 18950 for (int i = 0; i < size; i++) { 18951 final ApplicationInfo info = infos.get(i); 18952 packageNames[i] = info.packageName; 18953 packageUids[i] = info.uid; 18954 } 18955 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18956 finishedReceiver); 18957 } 18958 18959 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18960 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18961 sendResourcesChangedBroadcast(mediaStatus, replacing, 18962 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18963 } 18964 18965 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18966 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18967 int size = pkgList.length; 18968 if (size > 0) { 18969 // Send broadcasts here 18970 Bundle extras = new Bundle(); 18971 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18972 if (uidArr != null) { 18973 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18974 } 18975 if (replacing) { 18976 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18977 } 18978 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18979 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18980 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18981 } 18982 } 18983 18984 /* 18985 * Look at potentially valid container ids from processCids If package 18986 * information doesn't match the one on record or package scanning fails, 18987 * the cid is added to list of removeCids. We currently don't delete stale 18988 * containers. 18989 */ 18990 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18991 boolean externalStorage) { 18992 ArrayList<String> pkgList = new ArrayList<String>(); 18993 Set<AsecInstallArgs> keys = processCids.keySet(); 18994 18995 for (AsecInstallArgs args : keys) { 18996 String codePath = processCids.get(args); 18997 if (DEBUG_SD_INSTALL) 18998 Log.i(TAG, "Loading container : " + args.cid); 18999 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19000 try { 19001 // Make sure there are no container errors first. 19002 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19003 Slog.e(TAG, "Failed to mount cid : " + args.cid 19004 + " when installing from sdcard"); 19005 continue; 19006 } 19007 // Check code path here. 19008 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19009 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19010 + " does not match one in settings " + codePath); 19011 continue; 19012 } 19013 // Parse package 19014 int parseFlags = mDefParseFlags; 19015 if (args.isExternalAsec()) { 19016 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19017 } 19018 if (args.isFwdLocked()) { 19019 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19020 } 19021 19022 synchronized (mInstallLock) { 19023 PackageParser.Package pkg = null; 19024 try { 19025 // Sadly we don't know the package name yet to freeze it 19026 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19027 SCAN_IGNORE_FROZEN, 0, null); 19028 } catch (PackageManagerException e) { 19029 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19030 } 19031 // Scan the package 19032 if (pkg != null) { 19033 /* 19034 * TODO why is the lock being held? doPostInstall is 19035 * called in other places without the lock. This needs 19036 * to be straightened out. 19037 */ 19038 // writer 19039 synchronized (mPackages) { 19040 retCode = PackageManager.INSTALL_SUCCEEDED; 19041 pkgList.add(pkg.packageName); 19042 // Post process args 19043 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19044 pkg.applicationInfo.uid); 19045 } 19046 } else { 19047 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19048 } 19049 } 19050 19051 } finally { 19052 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19053 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19054 } 19055 } 19056 } 19057 // writer 19058 synchronized (mPackages) { 19059 // If the platform SDK has changed since the last time we booted, 19060 // we need to re-grant app permission to catch any new ones that 19061 // appear. This is really a hack, and means that apps can in some 19062 // cases get permissions that the user didn't initially explicitly 19063 // allow... it would be nice to have some better way to handle 19064 // this situation. 19065 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19066 : mSettings.getInternalVersion(); 19067 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19068 : StorageManager.UUID_PRIVATE_INTERNAL; 19069 19070 int updateFlags = UPDATE_PERMISSIONS_ALL; 19071 if (ver.sdkVersion != mSdkVersion) { 19072 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19073 + mSdkVersion + "; regranting permissions for external"); 19074 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19075 } 19076 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19077 19078 // Yay, everything is now upgraded 19079 ver.forceCurrent(); 19080 19081 // can downgrade to reader 19082 // Persist settings 19083 mSettings.writeLPr(); 19084 } 19085 // Send a broadcast to let everyone know we are done processing 19086 if (pkgList.size() > 0) { 19087 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19088 } 19089 } 19090 19091 /* 19092 * Utility method to unload a list of specified containers 19093 */ 19094 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19095 // Just unmount all valid containers. 19096 for (AsecInstallArgs arg : cidArgs) { 19097 synchronized (mInstallLock) { 19098 arg.doPostDeleteLI(false); 19099 } 19100 } 19101 } 19102 19103 /* 19104 * Unload packages mounted on external media. This involves deleting package 19105 * data from internal structures, sending broadcasts about disabled packages, 19106 * gc'ing to free up references, unmounting all secure containers 19107 * corresponding to packages on external media, and posting a 19108 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19109 * that we always have to post this message if status has been requested no 19110 * matter what. 19111 */ 19112 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19113 final boolean reportStatus) { 19114 if (DEBUG_SD_INSTALL) 19115 Log.i(TAG, "unloading media packages"); 19116 ArrayList<String> pkgList = new ArrayList<String>(); 19117 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19118 final Set<AsecInstallArgs> keys = processCids.keySet(); 19119 for (AsecInstallArgs args : keys) { 19120 String pkgName = args.getPackageName(); 19121 if (DEBUG_SD_INSTALL) 19122 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19123 // Delete package internally 19124 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19125 synchronized (mInstallLock) { 19126 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19127 final boolean res; 19128 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19129 "unloadMediaPackages")) { 19130 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19131 null); 19132 } 19133 if (res) { 19134 pkgList.add(pkgName); 19135 } else { 19136 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19137 failedList.add(args); 19138 } 19139 } 19140 } 19141 19142 // reader 19143 synchronized (mPackages) { 19144 // We didn't update the settings after removing each package; 19145 // write them now for all packages. 19146 mSettings.writeLPr(); 19147 } 19148 19149 // We have to absolutely send UPDATED_MEDIA_STATUS only 19150 // after confirming that all the receivers processed the ordered 19151 // broadcast when packages get disabled, force a gc to clean things up. 19152 // and unload all the containers. 19153 if (pkgList.size() > 0) { 19154 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19155 new IIntentReceiver.Stub() { 19156 public void performReceive(Intent intent, int resultCode, String data, 19157 Bundle extras, boolean ordered, boolean sticky, 19158 int sendingUser) throws RemoteException { 19159 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19160 reportStatus ? 1 : 0, 1, keys); 19161 mHandler.sendMessage(msg); 19162 } 19163 }); 19164 } else { 19165 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19166 keys); 19167 mHandler.sendMessage(msg); 19168 } 19169 } 19170 19171 private void loadPrivatePackages(final VolumeInfo vol) { 19172 mHandler.post(new Runnable() { 19173 @Override 19174 public void run() { 19175 loadPrivatePackagesInner(vol); 19176 } 19177 }); 19178 } 19179 19180 private void loadPrivatePackagesInner(VolumeInfo vol) { 19181 final String volumeUuid = vol.fsUuid; 19182 if (TextUtils.isEmpty(volumeUuid)) { 19183 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19184 return; 19185 } 19186 19187 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19188 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19189 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19190 19191 final VersionInfo ver; 19192 final List<PackageSetting> packages; 19193 synchronized (mPackages) { 19194 ver = mSettings.findOrCreateVersion(volumeUuid); 19195 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19196 } 19197 19198 for (PackageSetting ps : packages) { 19199 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19200 synchronized (mInstallLock) { 19201 final PackageParser.Package pkg; 19202 try { 19203 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19204 loaded.add(pkg.applicationInfo); 19205 19206 } catch (PackageManagerException e) { 19207 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19208 } 19209 19210 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19211 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19212 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19213 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19214 } 19215 } 19216 } 19217 19218 // Reconcile app data for all started/unlocked users 19219 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19220 final UserManager um = mContext.getSystemService(UserManager.class); 19221 UserManagerInternal umInternal = getUserManagerInternal(); 19222 for (UserInfo user : um.getUsers()) { 19223 final int flags; 19224 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19225 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19226 } else if (umInternal.isUserRunning(user.id)) { 19227 flags = StorageManager.FLAG_STORAGE_DE; 19228 } else { 19229 continue; 19230 } 19231 19232 try { 19233 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19234 synchronized (mInstallLock) { 19235 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 19236 } 19237 } catch (IllegalStateException e) { 19238 // Device was probably ejected, and we'll process that event momentarily 19239 Slog.w(TAG, "Failed to prepare storage: " + e); 19240 } 19241 } 19242 19243 synchronized (mPackages) { 19244 int updateFlags = UPDATE_PERMISSIONS_ALL; 19245 if (ver.sdkVersion != mSdkVersion) { 19246 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19247 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19248 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19249 } 19250 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19251 19252 // Yay, everything is now upgraded 19253 ver.forceCurrent(); 19254 19255 mSettings.writeLPr(); 19256 } 19257 19258 for (PackageFreezer freezer : freezers) { 19259 freezer.close(); 19260 } 19261 19262 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19263 sendResourcesChangedBroadcast(true, false, loaded, null); 19264 } 19265 19266 private void unloadPrivatePackages(final VolumeInfo vol) { 19267 mHandler.post(new Runnable() { 19268 @Override 19269 public void run() { 19270 unloadPrivatePackagesInner(vol); 19271 } 19272 }); 19273 } 19274 19275 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19276 final String volumeUuid = vol.fsUuid; 19277 if (TextUtils.isEmpty(volumeUuid)) { 19278 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19279 return; 19280 } 19281 19282 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19283 synchronized (mInstallLock) { 19284 synchronized (mPackages) { 19285 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19286 for (PackageSetting ps : packages) { 19287 if (ps.pkg == null) continue; 19288 19289 final ApplicationInfo info = ps.pkg.applicationInfo; 19290 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19291 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19292 19293 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19294 "unloadPrivatePackagesInner")) { 19295 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19296 false, null)) { 19297 unloaded.add(info); 19298 } else { 19299 Slog.w(TAG, "Failed to unload " + ps.codePath); 19300 } 19301 } 19302 19303 // Try very hard to release any references to this package 19304 // so we don't risk the system server being killed due to 19305 // open FDs 19306 AttributeCache.instance().removePackage(ps.name); 19307 } 19308 19309 mSettings.writeLPr(); 19310 } 19311 } 19312 19313 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19314 sendResourcesChangedBroadcast(false, false, unloaded, null); 19315 19316 // Try very hard to release any references to this path so we don't risk 19317 // the system server being killed due to open FDs 19318 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19319 19320 for (int i = 0; i < 3; i++) { 19321 System.gc(); 19322 System.runFinalization(); 19323 } 19324 } 19325 19326 /** 19327 * Prepare storage areas for given user on all mounted devices. 19328 */ 19329 void prepareUserData(int userId, int userSerial, int flags) { 19330 synchronized (mInstallLock) { 19331 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19332 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19333 final String volumeUuid = vol.getFsUuid(); 19334 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19335 } 19336 } 19337 } 19338 19339 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19340 boolean allowRecover) { 19341 // Prepare storage and verify that serial numbers are consistent; if 19342 // there's a mismatch we need to destroy to avoid leaking data 19343 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19344 try { 19345 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19346 19347 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19348 UserManagerService.enforceSerialNumber( 19349 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19350 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19351 UserManagerService.enforceSerialNumber( 19352 Environment.getDataSystemDeDirectory(userId), userSerial); 19353 } 19354 } 19355 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19356 UserManagerService.enforceSerialNumber( 19357 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19358 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19359 UserManagerService.enforceSerialNumber( 19360 Environment.getDataSystemCeDirectory(userId), userSerial); 19361 } 19362 } 19363 19364 synchronized (mInstallLock) { 19365 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19366 } 19367 } catch (Exception e) { 19368 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19369 + " because we failed to prepare: " + e); 19370 destroyUserDataLI(volumeUuid, userId, 19371 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19372 19373 if (allowRecover) { 19374 // Try one last time; if we fail again we're really in trouble 19375 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19376 } 19377 } 19378 } 19379 19380 /** 19381 * Destroy storage areas for given user on all mounted devices. 19382 */ 19383 void destroyUserData(int userId, int flags) { 19384 synchronized (mInstallLock) { 19385 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19386 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19387 final String volumeUuid = vol.getFsUuid(); 19388 destroyUserDataLI(volumeUuid, userId, flags); 19389 } 19390 } 19391 } 19392 19393 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19394 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19395 try { 19396 // Clean up app data, profile data, and media data 19397 mInstaller.destroyUserData(volumeUuid, userId, flags); 19398 19399 // Clean up system data 19400 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19401 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19402 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19403 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19404 } 19405 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19406 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19407 } 19408 } 19409 19410 // Data with special labels is now gone, so finish the job 19411 storage.destroyUserStorage(volumeUuid, userId, flags); 19412 19413 } catch (Exception e) { 19414 logCriticalInfo(Log.WARN, 19415 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19416 } 19417 } 19418 19419 /** 19420 * Examine all users present on given mounted volume, and destroy data 19421 * belonging to users that are no longer valid, or whose user ID has been 19422 * recycled. 19423 */ 19424 private void reconcileUsers(String volumeUuid) { 19425 final List<File> files = new ArrayList<>(); 19426 Collections.addAll(files, FileUtils 19427 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19428 Collections.addAll(files, FileUtils 19429 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19430 Collections.addAll(files, FileUtils 19431 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19432 Collections.addAll(files, FileUtils 19433 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19434 for (File file : files) { 19435 if (!file.isDirectory()) continue; 19436 19437 final int userId; 19438 final UserInfo info; 19439 try { 19440 userId = Integer.parseInt(file.getName()); 19441 info = sUserManager.getUserInfo(userId); 19442 } catch (NumberFormatException e) { 19443 Slog.w(TAG, "Invalid user directory " + file); 19444 continue; 19445 } 19446 19447 boolean destroyUser = false; 19448 if (info == null) { 19449 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19450 + " because no matching user was found"); 19451 destroyUser = true; 19452 } else if (!mOnlyCore) { 19453 try { 19454 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19455 } catch (IOException e) { 19456 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19457 + " because we failed to enforce serial number: " + e); 19458 destroyUser = true; 19459 } 19460 } 19461 19462 if (destroyUser) { 19463 synchronized (mInstallLock) { 19464 destroyUserDataLI(volumeUuid, userId, 19465 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19466 } 19467 } 19468 } 19469 } 19470 19471 private void assertPackageKnown(String volumeUuid, String packageName) 19472 throws PackageManagerException { 19473 synchronized (mPackages) { 19474 final PackageSetting ps = mSettings.mPackages.get(packageName); 19475 if (ps == null) { 19476 throw new PackageManagerException("Package " + packageName + " is unknown"); 19477 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19478 throw new PackageManagerException( 19479 "Package " + packageName + " found on unknown volume " + volumeUuid 19480 + "; expected volume " + ps.volumeUuid); 19481 } 19482 } 19483 } 19484 19485 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19486 throws PackageManagerException { 19487 synchronized (mPackages) { 19488 final PackageSetting ps = mSettings.mPackages.get(packageName); 19489 if (ps == null) { 19490 throw new PackageManagerException("Package " + packageName + " is unknown"); 19491 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19492 throw new PackageManagerException( 19493 "Package " + packageName + " found on unknown volume " + volumeUuid 19494 + "; expected volume " + ps.volumeUuid); 19495 } else if (!ps.getInstalled(userId)) { 19496 throw new PackageManagerException( 19497 "Package " + packageName + " not installed for user " + userId); 19498 } 19499 } 19500 } 19501 19502 /** 19503 * Examine all apps present on given mounted volume, and destroy apps that 19504 * aren't expected, either due to uninstallation or reinstallation on 19505 * another volume. 19506 */ 19507 private void reconcileApps(String volumeUuid) { 19508 final File[] files = FileUtils 19509 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19510 for (File file : files) { 19511 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19512 && !PackageInstallerService.isStageName(file.getName()); 19513 if (!isPackage) { 19514 // Ignore entries which are not packages 19515 continue; 19516 } 19517 19518 try { 19519 final PackageLite pkg = PackageParser.parsePackageLite(file, 19520 PackageParser.PARSE_MUST_BE_APK); 19521 assertPackageKnown(volumeUuid, pkg.packageName); 19522 19523 } catch (PackageParserException | PackageManagerException e) { 19524 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19525 synchronized (mInstallLock) { 19526 removeCodePathLI(file); 19527 } 19528 } 19529 } 19530 } 19531 19532 /** 19533 * Reconcile all app data for the given user. 19534 * <p> 19535 * Verifies that directories exist and that ownership and labeling is 19536 * correct for all installed apps on all mounted volumes. 19537 */ 19538 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 19539 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19540 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19541 final String volumeUuid = vol.getFsUuid(); 19542 synchronized (mInstallLock) { 19543 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 19544 } 19545 } 19546 } 19547 19548 /** 19549 * Reconcile all app data on given mounted volume. 19550 * <p> 19551 * Destroys app data that isn't expected, either due to uninstallation or 19552 * reinstallation on another volume. 19553 * <p> 19554 * Verifies that directories exist and that ownership and labeling is 19555 * correct for all installed apps. 19556 */ 19557 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 19558 boolean migrateAppData) { 19559 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19560 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 19561 19562 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19563 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19564 19565 boolean restoreconNeeded = false; 19566 19567 // First look for stale data that doesn't belong, and check if things 19568 // have changed since we did our last restorecon 19569 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19570 if (StorageManager.isFileEncryptedNativeOrEmulated() 19571 && !StorageManager.isUserKeyUnlocked(userId)) { 19572 throw new RuntimeException( 19573 "Yikes, someone asked us to reconcile CE storage while " + userId 19574 + " was still locked; this would have caused massive data loss!"); 19575 } 19576 19577 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19578 19579 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19580 for (File file : files) { 19581 final String packageName = file.getName(); 19582 try { 19583 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19584 } catch (PackageManagerException e) { 19585 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19586 try { 19587 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19588 StorageManager.FLAG_STORAGE_CE, 0); 19589 } catch (InstallerException e2) { 19590 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19591 } 19592 } 19593 } 19594 } 19595 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19596 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19597 19598 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19599 for (File file : files) { 19600 final String packageName = file.getName(); 19601 try { 19602 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19603 } catch (PackageManagerException e) { 19604 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19605 try { 19606 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19607 StorageManager.FLAG_STORAGE_DE, 0); 19608 } catch (InstallerException e2) { 19609 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19610 } 19611 } 19612 } 19613 } 19614 19615 // Ensure that data directories are ready to roll for all packages 19616 // installed for this volume and user 19617 final List<PackageSetting> packages; 19618 synchronized (mPackages) { 19619 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19620 } 19621 int preparedCount = 0; 19622 for (PackageSetting ps : packages) { 19623 final String packageName = ps.name; 19624 if (ps.pkg == null) { 19625 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19626 // TODO: might be due to legacy ASEC apps; we should circle back 19627 // and reconcile again once they're scanned 19628 continue; 19629 } 19630 19631 if (ps.getInstalled(userId)) { 19632 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19633 19634 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 19635 // We may have just shuffled around app data directories, so 19636 // prepare them one more time 19637 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19638 } 19639 19640 preparedCount++; 19641 } 19642 } 19643 19644 if (restoreconNeeded) { 19645 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19646 SELinuxMMAC.setRestoreconDone(ceDir); 19647 } 19648 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19649 SELinuxMMAC.setRestoreconDone(deDir); 19650 } 19651 } 19652 19653 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19654 + " packages; restoreconNeeded was " + restoreconNeeded); 19655 } 19656 19657 /** 19658 * Prepare app data for the given app just after it was installed or 19659 * upgraded. This method carefully only touches users that it's installed 19660 * for, and it forces a restorecon to handle any seinfo changes. 19661 * <p> 19662 * Verifies that directories exist and that ownership and labeling is 19663 * correct for all installed apps. If there is an ownership mismatch, it 19664 * will try recovering system apps by wiping data; third-party app data is 19665 * left intact. 19666 * <p> 19667 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19668 */ 19669 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19670 final PackageSetting ps; 19671 synchronized (mPackages) { 19672 ps = mSettings.mPackages.get(pkg.packageName); 19673 mSettings.writeKernelMappingLPr(ps); 19674 } 19675 19676 final UserManager um = mContext.getSystemService(UserManager.class); 19677 UserManagerInternal umInternal = getUserManagerInternal(); 19678 for (UserInfo user : um.getUsers()) { 19679 final int flags; 19680 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19681 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19682 } else if (umInternal.isUserRunning(user.id)) { 19683 flags = StorageManager.FLAG_STORAGE_DE; 19684 } else { 19685 continue; 19686 } 19687 19688 if (ps.getInstalled(user.id)) { 19689 // Whenever an app changes, force a restorecon of its data 19690 // TODO: when user data is locked, mark that we're still dirty 19691 prepareAppDataLIF(pkg, user.id, flags, true); 19692 } 19693 } 19694 } 19695 19696 /** 19697 * Prepare app data for the given app. 19698 * <p> 19699 * Verifies that directories exist and that ownership and labeling is 19700 * correct for all installed apps. If there is an ownership mismatch, this 19701 * will try recovering system apps by wiping data; third-party app data is 19702 * left intact. 19703 */ 19704 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19705 boolean restoreconNeeded) { 19706 if (pkg == null) { 19707 Slog.wtf(TAG, "Package was null!", new Throwable()); 19708 return; 19709 } 19710 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19711 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19712 for (int i = 0; i < childCount; i++) { 19713 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19714 } 19715 } 19716 19717 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19718 boolean restoreconNeeded) { 19719 if (DEBUG_APP_DATA) { 19720 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19721 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19722 } 19723 19724 final String volumeUuid = pkg.volumeUuid; 19725 final String packageName = pkg.packageName; 19726 final ApplicationInfo app = pkg.applicationInfo; 19727 final int appId = UserHandle.getAppId(app.uid); 19728 19729 Preconditions.checkNotNull(app.seinfo); 19730 19731 try { 19732 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19733 appId, app.seinfo, app.targetSdkVersion); 19734 } catch (InstallerException e) { 19735 if (app.isSystemApp()) { 19736 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19737 + ", but trying to recover: " + e); 19738 destroyAppDataLeafLIF(pkg, userId, flags); 19739 try { 19740 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19741 appId, app.seinfo, app.targetSdkVersion); 19742 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19743 } catch (InstallerException e2) { 19744 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19745 } 19746 } else { 19747 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19748 } 19749 } 19750 19751 if (restoreconNeeded) { 19752 try { 19753 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19754 app.seinfo); 19755 } catch (InstallerException e) { 19756 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19757 } 19758 } 19759 19760 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19761 try { 19762 // CE storage is unlocked right now, so read out the inode and 19763 // remember for use later when it's locked 19764 // TODO: mark this structure as dirty so we persist it! 19765 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19766 StorageManager.FLAG_STORAGE_CE); 19767 synchronized (mPackages) { 19768 final PackageSetting ps = mSettings.mPackages.get(packageName); 19769 if (ps != null) { 19770 ps.setCeDataInode(ceDataInode, userId); 19771 } 19772 } 19773 } catch (InstallerException e) { 19774 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19775 } 19776 } 19777 19778 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19779 } 19780 19781 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19782 if (pkg == null) { 19783 Slog.wtf(TAG, "Package was null!", new Throwable()); 19784 return; 19785 } 19786 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19787 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19788 for (int i = 0; i < childCount; i++) { 19789 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19790 } 19791 } 19792 19793 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19794 final String volumeUuid = pkg.volumeUuid; 19795 final String packageName = pkg.packageName; 19796 final ApplicationInfo app = pkg.applicationInfo; 19797 19798 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19799 // Create a native library symlink only if we have native libraries 19800 // and if the native libraries are 32 bit libraries. We do not provide 19801 // this symlink for 64 bit libraries. 19802 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19803 final String nativeLibPath = app.nativeLibraryDir; 19804 try { 19805 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19806 nativeLibPath, userId); 19807 } catch (InstallerException e) { 19808 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19809 } 19810 } 19811 } 19812 } 19813 19814 /** 19815 * For system apps on non-FBE devices, this method migrates any existing 19816 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19817 * requested by the app. 19818 */ 19819 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19820 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19821 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19822 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19823 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19824 try { 19825 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19826 storageTarget); 19827 } catch (InstallerException e) { 19828 logCriticalInfo(Log.WARN, 19829 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19830 } 19831 return true; 19832 } else { 19833 return false; 19834 } 19835 } 19836 19837 public PackageFreezer freezePackage(String packageName, String killReason) { 19838 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19839 } 19840 19841 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19842 return new PackageFreezer(packageName, userId, killReason); 19843 } 19844 19845 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19846 String killReason) { 19847 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19848 } 19849 19850 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19851 String killReason) { 19852 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19853 return new PackageFreezer(); 19854 } else { 19855 return freezePackage(packageName, userId, killReason); 19856 } 19857 } 19858 19859 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19860 String killReason) { 19861 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19862 } 19863 19864 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19865 String killReason) { 19866 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19867 return new PackageFreezer(); 19868 } else { 19869 return freezePackage(packageName, userId, killReason); 19870 } 19871 } 19872 19873 /** 19874 * Class that freezes and kills the given package upon creation, and 19875 * unfreezes it upon closing. This is typically used when doing surgery on 19876 * app code/data to prevent the app from running while you're working. 19877 */ 19878 private class PackageFreezer implements AutoCloseable { 19879 private final String mPackageName; 19880 private final PackageFreezer[] mChildren; 19881 19882 private final boolean mWeFroze; 19883 19884 private final AtomicBoolean mClosed = new AtomicBoolean(); 19885 private final CloseGuard mCloseGuard = CloseGuard.get(); 19886 19887 /** 19888 * Create and return a stub freezer that doesn't actually do anything, 19889 * typically used when someone requested 19890 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19891 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19892 */ 19893 public PackageFreezer() { 19894 mPackageName = null; 19895 mChildren = null; 19896 mWeFroze = false; 19897 mCloseGuard.open("close"); 19898 } 19899 19900 public PackageFreezer(String packageName, int userId, String killReason) { 19901 synchronized (mPackages) { 19902 mPackageName = packageName; 19903 mWeFroze = mFrozenPackages.add(mPackageName); 19904 19905 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19906 if (ps != null) { 19907 killApplication(ps.name, ps.appId, userId, killReason); 19908 } 19909 19910 final PackageParser.Package p = mPackages.get(packageName); 19911 if (p != null && p.childPackages != null) { 19912 final int N = p.childPackages.size(); 19913 mChildren = new PackageFreezer[N]; 19914 for (int i = 0; i < N; i++) { 19915 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19916 userId, killReason); 19917 } 19918 } else { 19919 mChildren = null; 19920 } 19921 } 19922 mCloseGuard.open("close"); 19923 } 19924 19925 @Override 19926 protected void finalize() throws Throwable { 19927 try { 19928 mCloseGuard.warnIfOpen(); 19929 close(); 19930 } finally { 19931 super.finalize(); 19932 } 19933 } 19934 19935 @Override 19936 public void close() { 19937 mCloseGuard.close(); 19938 if (mClosed.compareAndSet(false, true)) { 19939 synchronized (mPackages) { 19940 if (mWeFroze) { 19941 mFrozenPackages.remove(mPackageName); 19942 } 19943 19944 if (mChildren != null) { 19945 for (PackageFreezer freezer : mChildren) { 19946 freezer.close(); 19947 } 19948 } 19949 } 19950 } 19951 } 19952 } 19953 19954 /** 19955 * Verify that given package is currently frozen. 19956 */ 19957 private void checkPackageFrozen(String packageName) { 19958 synchronized (mPackages) { 19959 if (!mFrozenPackages.contains(packageName)) { 19960 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19961 } 19962 } 19963 } 19964 19965 @Override 19966 public int movePackage(final String packageName, final String volumeUuid) { 19967 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19968 19969 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19970 final int moveId = mNextMoveId.getAndIncrement(); 19971 mHandler.post(new Runnable() { 19972 @Override 19973 public void run() { 19974 try { 19975 movePackageInternal(packageName, volumeUuid, moveId, user); 19976 } catch (PackageManagerException e) { 19977 Slog.w(TAG, "Failed to move " + packageName, e); 19978 mMoveCallbacks.notifyStatusChanged(moveId, 19979 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19980 } 19981 } 19982 }); 19983 return moveId; 19984 } 19985 19986 private void movePackageInternal(final String packageName, final String volumeUuid, 19987 final int moveId, UserHandle user) throws PackageManagerException { 19988 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19989 final PackageManager pm = mContext.getPackageManager(); 19990 19991 final boolean currentAsec; 19992 final String currentVolumeUuid; 19993 final File codeFile; 19994 final String installerPackageName; 19995 final String packageAbiOverride; 19996 final int appId; 19997 final String seinfo; 19998 final String label; 19999 final int targetSdkVersion; 20000 final PackageFreezer freezer; 20001 final int[] installedUserIds; 20002 20003 // reader 20004 synchronized (mPackages) { 20005 final PackageParser.Package pkg = mPackages.get(packageName); 20006 final PackageSetting ps = mSettings.mPackages.get(packageName); 20007 if (pkg == null || ps == null) { 20008 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20009 } 20010 20011 if (pkg.applicationInfo.isSystemApp()) { 20012 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20013 "Cannot move system application"); 20014 } 20015 20016 if (pkg.applicationInfo.isExternalAsec()) { 20017 currentAsec = true; 20018 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20019 } else if (pkg.applicationInfo.isForwardLocked()) { 20020 currentAsec = true; 20021 currentVolumeUuid = "forward_locked"; 20022 } else { 20023 currentAsec = false; 20024 currentVolumeUuid = ps.volumeUuid; 20025 20026 final File probe = new File(pkg.codePath); 20027 final File probeOat = new File(probe, "oat"); 20028 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20029 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20030 "Move only supported for modern cluster style installs"); 20031 } 20032 } 20033 20034 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20035 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20036 "Package already moved to " + volumeUuid); 20037 } 20038 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20039 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20040 "Device admin cannot be moved"); 20041 } 20042 20043 if (mFrozenPackages.contains(packageName)) { 20044 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20045 "Failed to move already frozen package"); 20046 } 20047 20048 codeFile = new File(pkg.codePath); 20049 installerPackageName = ps.installerPackageName; 20050 packageAbiOverride = ps.cpuAbiOverrideString; 20051 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20052 seinfo = pkg.applicationInfo.seinfo; 20053 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20054 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20055 freezer = freezePackage(packageName, "movePackageInternal"); 20056 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20057 } 20058 20059 final Bundle extras = new Bundle(); 20060 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20061 extras.putString(Intent.EXTRA_TITLE, label); 20062 mMoveCallbacks.notifyCreated(moveId, extras); 20063 20064 int installFlags; 20065 final boolean moveCompleteApp; 20066 final File measurePath; 20067 20068 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20069 installFlags = INSTALL_INTERNAL; 20070 moveCompleteApp = !currentAsec; 20071 measurePath = Environment.getDataAppDirectory(volumeUuid); 20072 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20073 installFlags = INSTALL_EXTERNAL; 20074 moveCompleteApp = false; 20075 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20076 } else { 20077 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20078 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20079 || !volume.isMountedWritable()) { 20080 freezer.close(); 20081 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20082 "Move location not mounted private volume"); 20083 } 20084 20085 Preconditions.checkState(!currentAsec); 20086 20087 installFlags = INSTALL_INTERNAL; 20088 moveCompleteApp = true; 20089 measurePath = Environment.getDataAppDirectory(volumeUuid); 20090 } 20091 20092 final PackageStats stats = new PackageStats(null, -1); 20093 synchronized (mInstaller) { 20094 for (int userId : installedUserIds) { 20095 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20096 freezer.close(); 20097 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20098 "Failed to measure package size"); 20099 } 20100 } 20101 } 20102 20103 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20104 + stats.dataSize); 20105 20106 final long startFreeBytes = measurePath.getFreeSpace(); 20107 final long sizeBytes; 20108 if (moveCompleteApp) { 20109 sizeBytes = stats.codeSize + stats.dataSize; 20110 } else { 20111 sizeBytes = stats.codeSize; 20112 } 20113 20114 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20115 freezer.close(); 20116 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20117 "Not enough free space to move"); 20118 } 20119 20120 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20121 20122 final CountDownLatch installedLatch = new CountDownLatch(1); 20123 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20124 @Override 20125 public void onUserActionRequired(Intent intent) throws RemoteException { 20126 throw new IllegalStateException(); 20127 } 20128 20129 @Override 20130 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20131 Bundle extras) throws RemoteException { 20132 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20133 + PackageManager.installStatusToString(returnCode, msg)); 20134 20135 installedLatch.countDown(); 20136 freezer.close(); 20137 20138 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20139 switch (status) { 20140 case PackageInstaller.STATUS_SUCCESS: 20141 mMoveCallbacks.notifyStatusChanged(moveId, 20142 PackageManager.MOVE_SUCCEEDED); 20143 break; 20144 case PackageInstaller.STATUS_FAILURE_STORAGE: 20145 mMoveCallbacks.notifyStatusChanged(moveId, 20146 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20147 break; 20148 default: 20149 mMoveCallbacks.notifyStatusChanged(moveId, 20150 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20151 break; 20152 } 20153 } 20154 }; 20155 20156 final MoveInfo move; 20157 if (moveCompleteApp) { 20158 // Kick off a thread to report progress estimates 20159 new Thread() { 20160 @Override 20161 public void run() { 20162 while (true) { 20163 try { 20164 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20165 break; 20166 } 20167 } catch (InterruptedException ignored) { 20168 } 20169 20170 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20171 final int progress = 10 + (int) MathUtils.constrain( 20172 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20173 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20174 } 20175 } 20176 }.start(); 20177 20178 final String dataAppName = codeFile.getName(); 20179 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20180 dataAppName, appId, seinfo, targetSdkVersion); 20181 } else { 20182 move = null; 20183 } 20184 20185 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20186 20187 final Message msg = mHandler.obtainMessage(INIT_COPY); 20188 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20189 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20190 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20191 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20192 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20193 msg.obj = params; 20194 20195 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20196 System.identityHashCode(msg.obj)); 20197 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20198 System.identityHashCode(msg.obj)); 20199 20200 mHandler.sendMessage(msg); 20201 } 20202 20203 @Override 20204 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20205 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20206 20207 final int realMoveId = mNextMoveId.getAndIncrement(); 20208 final Bundle extras = new Bundle(); 20209 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20210 mMoveCallbacks.notifyCreated(realMoveId, extras); 20211 20212 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20213 @Override 20214 public void onCreated(int moveId, Bundle extras) { 20215 // Ignored 20216 } 20217 20218 @Override 20219 public void onStatusChanged(int moveId, int status, long estMillis) { 20220 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20221 } 20222 }; 20223 20224 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20225 storage.setPrimaryStorageUuid(volumeUuid, callback); 20226 return realMoveId; 20227 } 20228 20229 @Override 20230 public int getMoveStatus(int moveId) { 20231 mContext.enforceCallingOrSelfPermission( 20232 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20233 return mMoveCallbacks.mLastStatus.get(moveId); 20234 } 20235 20236 @Override 20237 public void registerMoveCallback(IPackageMoveObserver callback) { 20238 mContext.enforceCallingOrSelfPermission( 20239 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20240 mMoveCallbacks.register(callback); 20241 } 20242 20243 @Override 20244 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20245 mContext.enforceCallingOrSelfPermission( 20246 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20247 mMoveCallbacks.unregister(callback); 20248 } 20249 20250 @Override 20251 public boolean setInstallLocation(int loc) { 20252 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20253 null); 20254 if (getInstallLocation() == loc) { 20255 return true; 20256 } 20257 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20258 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20259 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20260 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20261 return true; 20262 } 20263 return false; 20264 } 20265 20266 @Override 20267 public int getInstallLocation() { 20268 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20269 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20270 PackageHelper.APP_INSTALL_AUTO); 20271 } 20272 20273 /** Called by UserManagerService */ 20274 void cleanUpUser(UserManagerService userManager, int userHandle) { 20275 synchronized (mPackages) { 20276 mDirtyUsers.remove(userHandle); 20277 mUserNeedsBadging.delete(userHandle); 20278 mSettings.removeUserLPw(userHandle); 20279 mPendingBroadcasts.remove(userHandle); 20280 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20281 removeUnusedPackagesLPw(userManager, userHandle); 20282 } 20283 } 20284 20285 /** 20286 * We're removing userHandle and would like to remove any downloaded packages 20287 * that are no longer in use by any other user. 20288 * @param userHandle the user being removed 20289 */ 20290 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20291 final boolean DEBUG_CLEAN_APKS = false; 20292 int [] users = userManager.getUserIds(); 20293 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20294 while (psit.hasNext()) { 20295 PackageSetting ps = psit.next(); 20296 if (ps.pkg == null) { 20297 continue; 20298 } 20299 final String packageName = ps.pkg.packageName; 20300 // Skip over if system app 20301 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20302 continue; 20303 } 20304 if (DEBUG_CLEAN_APKS) { 20305 Slog.i(TAG, "Checking package " + packageName); 20306 } 20307 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20308 if (keep) { 20309 if (DEBUG_CLEAN_APKS) { 20310 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20311 } 20312 } else { 20313 for (int i = 0; i < users.length; i++) { 20314 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20315 keep = true; 20316 if (DEBUG_CLEAN_APKS) { 20317 Slog.i(TAG, " Keeping package " + packageName + " for user " 20318 + users[i]); 20319 } 20320 break; 20321 } 20322 } 20323 } 20324 if (!keep) { 20325 if (DEBUG_CLEAN_APKS) { 20326 Slog.i(TAG, " Removing package " + packageName); 20327 } 20328 mHandler.post(new Runnable() { 20329 public void run() { 20330 deletePackageX(packageName, userHandle, 0); 20331 } //end run 20332 }); 20333 } 20334 } 20335 } 20336 20337 /** Called by UserManagerService */ 20338 void createNewUser(int userId) { 20339 synchronized (mInstallLock) { 20340 mSettings.createNewUserLI(this, mInstaller, userId); 20341 } 20342 synchronized (mPackages) { 20343 scheduleWritePackageRestrictionsLocked(userId); 20344 scheduleWritePackageListLocked(userId); 20345 applyFactoryDefaultBrowserLPw(userId); 20346 primeDomainVerificationsLPw(userId); 20347 } 20348 } 20349 20350 void onNewUserCreated(final int userId) { 20351 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20352 // If permission review for legacy apps is required, we represent 20353 // dagerous permissions for such apps as always granted runtime 20354 // permissions to keep per user flag state whether review is needed. 20355 // Hence, if a new user is added we have to propagate dangerous 20356 // permission grants for these legacy apps. 20357 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20358 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20359 | UPDATE_PERMISSIONS_REPLACE_ALL); 20360 } 20361 } 20362 20363 @Override 20364 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20365 mContext.enforceCallingOrSelfPermission( 20366 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20367 "Only package verification agents can read the verifier device identity"); 20368 20369 synchronized (mPackages) { 20370 return mSettings.getVerifierDeviceIdentityLPw(); 20371 } 20372 } 20373 20374 @Override 20375 public void setPermissionEnforced(String permission, boolean enforced) { 20376 // TODO: Now that we no longer change GID for storage, this should to away. 20377 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20378 "setPermissionEnforced"); 20379 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20380 synchronized (mPackages) { 20381 if (mSettings.mReadExternalStorageEnforced == null 20382 || mSettings.mReadExternalStorageEnforced != enforced) { 20383 mSettings.mReadExternalStorageEnforced = enforced; 20384 mSettings.writeLPr(); 20385 } 20386 } 20387 // kill any non-foreground processes so we restart them and 20388 // grant/revoke the GID. 20389 final IActivityManager am = ActivityManagerNative.getDefault(); 20390 if (am != null) { 20391 final long token = Binder.clearCallingIdentity(); 20392 try { 20393 am.killProcessesBelowForeground("setPermissionEnforcement"); 20394 } catch (RemoteException e) { 20395 } finally { 20396 Binder.restoreCallingIdentity(token); 20397 } 20398 } 20399 } else { 20400 throw new IllegalArgumentException("No selective enforcement for " + permission); 20401 } 20402 } 20403 20404 @Override 20405 @Deprecated 20406 public boolean isPermissionEnforced(String permission) { 20407 return true; 20408 } 20409 20410 @Override 20411 public boolean isStorageLow() { 20412 final long token = Binder.clearCallingIdentity(); 20413 try { 20414 final DeviceStorageMonitorInternal 20415 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20416 if (dsm != null) { 20417 return dsm.isMemoryLow(); 20418 } else { 20419 return false; 20420 } 20421 } finally { 20422 Binder.restoreCallingIdentity(token); 20423 } 20424 } 20425 20426 @Override 20427 public IPackageInstaller getPackageInstaller() { 20428 return mInstallerService; 20429 } 20430 20431 private boolean userNeedsBadging(int userId) { 20432 int index = mUserNeedsBadging.indexOfKey(userId); 20433 if (index < 0) { 20434 final UserInfo userInfo; 20435 final long token = Binder.clearCallingIdentity(); 20436 try { 20437 userInfo = sUserManager.getUserInfo(userId); 20438 } finally { 20439 Binder.restoreCallingIdentity(token); 20440 } 20441 final boolean b; 20442 if (userInfo != null && userInfo.isManagedProfile()) { 20443 b = true; 20444 } else { 20445 b = false; 20446 } 20447 mUserNeedsBadging.put(userId, b); 20448 return b; 20449 } 20450 return mUserNeedsBadging.valueAt(index); 20451 } 20452 20453 @Override 20454 public KeySet getKeySetByAlias(String packageName, String alias) { 20455 if (packageName == null || alias == null) { 20456 return null; 20457 } 20458 synchronized(mPackages) { 20459 final PackageParser.Package pkg = mPackages.get(packageName); 20460 if (pkg == null) { 20461 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20462 throw new IllegalArgumentException("Unknown package: " + packageName); 20463 } 20464 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20465 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20466 } 20467 } 20468 20469 @Override 20470 public KeySet getSigningKeySet(String packageName) { 20471 if (packageName == null) { 20472 return null; 20473 } 20474 synchronized(mPackages) { 20475 final PackageParser.Package pkg = mPackages.get(packageName); 20476 if (pkg == null) { 20477 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20478 throw new IllegalArgumentException("Unknown package: " + packageName); 20479 } 20480 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20481 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20482 throw new SecurityException("May not access signing KeySet of other apps."); 20483 } 20484 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20485 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20486 } 20487 } 20488 20489 @Override 20490 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20491 if (packageName == null || ks == null) { 20492 return false; 20493 } 20494 synchronized(mPackages) { 20495 final PackageParser.Package pkg = mPackages.get(packageName); 20496 if (pkg == null) { 20497 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20498 throw new IllegalArgumentException("Unknown package: " + packageName); 20499 } 20500 IBinder ksh = ks.getToken(); 20501 if (ksh instanceof KeySetHandle) { 20502 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20503 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20504 } 20505 return false; 20506 } 20507 } 20508 20509 @Override 20510 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20511 if (packageName == null || ks == null) { 20512 return false; 20513 } 20514 synchronized(mPackages) { 20515 final PackageParser.Package pkg = mPackages.get(packageName); 20516 if (pkg == null) { 20517 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20518 throw new IllegalArgumentException("Unknown package: " + packageName); 20519 } 20520 IBinder ksh = ks.getToken(); 20521 if (ksh instanceof KeySetHandle) { 20522 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20523 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20524 } 20525 return false; 20526 } 20527 } 20528 20529 private void deletePackageIfUnusedLPr(final String packageName) { 20530 PackageSetting ps = mSettings.mPackages.get(packageName); 20531 if (ps == null) { 20532 return; 20533 } 20534 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20535 // TODO Implement atomic delete if package is unused 20536 // It is currently possible that the package will be deleted even if it is installed 20537 // after this method returns. 20538 mHandler.post(new Runnable() { 20539 public void run() { 20540 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20541 } 20542 }); 20543 } 20544 } 20545 20546 /** 20547 * Check and throw if the given before/after packages would be considered a 20548 * downgrade. 20549 */ 20550 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20551 throws PackageManagerException { 20552 if (after.versionCode < before.mVersionCode) { 20553 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20554 "Update version code " + after.versionCode + " is older than current " 20555 + before.mVersionCode); 20556 } else if (after.versionCode == before.mVersionCode) { 20557 if (after.baseRevisionCode < before.baseRevisionCode) { 20558 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20559 "Update base revision code " + after.baseRevisionCode 20560 + " is older than current " + before.baseRevisionCode); 20561 } 20562 20563 if (!ArrayUtils.isEmpty(after.splitNames)) { 20564 for (int i = 0; i < after.splitNames.length; i++) { 20565 final String splitName = after.splitNames[i]; 20566 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20567 if (j != -1) { 20568 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20569 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20570 "Update split " + splitName + " revision code " 20571 + after.splitRevisionCodes[i] + " is older than current " 20572 + before.splitRevisionCodes[j]); 20573 } 20574 } 20575 } 20576 } 20577 } 20578 } 20579 20580 private static class MoveCallbacks extends Handler { 20581 private static final int MSG_CREATED = 1; 20582 private static final int MSG_STATUS_CHANGED = 2; 20583 20584 private final RemoteCallbackList<IPackageMoveObserver> 20585 mCallbacks = new RemoteCallbackList<>(); 20586 20587 private final SparseIntArray mLastStatus = new SparseIntArray(); 20588 20589 public MoveCallbacks(Looper looper) { 20590 super(looper); 20591 } 20592 20593 public void register(IPackageMoveObserver callback) { 20594 mCallbacks.register(callback); 20595 } 20596 20597 public void unregister(IPackageMoveObserver callback) { 20598 mCallbacks.unregister(callback); 20599 } 20600 20601 @Override 20602 public void handleMessage(Message msg) { 20603 final SomeArgs args = (SomeArgs) msg.obj; 20604 final int n = mCallbacks.beginBroadcast(); 20605 for (int i = 0; i < n; i++) { 20606 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20607 try { 20608 invokeCallback(callback, msg.what, args); 20609 } catch (RemoteException ignored) { 20610 } 20611 } 20612 mCallbacks.finishBroadcast(); 20613 args.recycle(); 20614 } 20615 20616 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20617 throws RemoteException { 20618 switch (what) { 20619 case MSG_CREATED: { 20620 callback.onCreated(args.argi1, (Bundle) args.arg2); 20621 break; 20622 } 20623 case MSG_STATUS_CHANGED: { 20624 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20625 break; 20626 } 20627 } 20628 } 20629 20630 private void notifyCreated(int moveId, Bundle extras) { 20631 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20632 20633 final SomeArgs args = SomeArgs.obtain(); 20634 args.argi1 = moveId; 20635 args.arg2 = extras; 20636 obtainMessage(MSG_CREATED, args).sendToTarget(); 20637 } 20638 20639 private void notifyStatusChanged(int moveId, int status) { 20640 notifyStatusChanged(moveId, status, -1); 20641 } 20642 20643 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20644 Slog.v(TAG, "Move " + moveId + " status " + status); 20645 20646 final SomeArgs args = SomeArgs.obtain(); 20647 args.argi1 = moveId; 20648 args.argi2 = status; 20649 args.arg3 = estMillis; 20650 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20651 20652 synchronized (mLastStatus) { 20653 mLastStatus.put(moveId, status); 20654 } 20655 } 20656 } 20657 20658 private final static class OnPermissionChangeListeners extends Handler { 20659 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20660 20661 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20662 new RemoteCallbackList<>(); 20663 20664 public OnPermissionChangeListeners(Looper looper) { 20665 super(looper); 20666 } 20667 20668 @Override 20669 public void handleMessage(Message msg) { 20670 switch (msg.what) { 20671 case MSG_ON_PERMISSIONS_CHANGED: { 20672 final int uid = msg.arg1; 20673 handleOnPermissionsChanged(uid); 20674 } break; 20675 } 20676 } 20677 20678 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20679 mPermissionListeners.register(listener); 20680 20681 } 20682 20683 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20684 mPermissionListeners.unregister(listener); 20685 } 20686 20687 public void onPermissionsChanged(int uid) { 20688 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20689 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20690 } 20691 } 20692 20693 private void handleOnPermissionsChanged(int uid) { 20694 final int count = mPermissionListeners.beginBroadcast(); 20695 try { 20696 for (int i = 0; i < count; i++) { 20697 IOnPermissionsChangeListener callback = mPermissionListeners 20698 .getBroadcastItem(i); 20699 try { 20700 callback.onPermissionsChanged(uid); 20701 } catch (RemoteException e) { 20702 Log.e(TAG, "Permission listener is dead", e); 20703 } 20704 } 20705 } finally { 20706 mPermissionListeners.finishBroadcast(); 20707 } 20708 } 20709 } 20710 20711 private class PackageManagerInternalImpl extends PackageManagerInternal { 20712 @Override 20713 public void setLocationPackagesProvider(PackagesProvider provider) { 20714 synchronized (mPackages) { 20715 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20716 } 20717 } 20718 20719 @Override 20720 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20721 synchronized (mPackages) { 20722 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20723 } 20724 } 20725 20726 @Override 20727 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20728 synchronized (mPackages) { 20729 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20730 } 20731 } 20732 20733 @Override 20734 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20735 synchronized (mPackages) { 20736 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20737 } 20738 } 20739 20740 @Override 20741 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20742 synchronized (mPackages) { 20743 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20744 } 20745 } 20746 20747 @Override 20748 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20749 synchronized (mPackages) { 20750 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20751 } 20752 } 20753 20754 @Override 20755 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20756 synchronized (mPackages) { 20757 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20758 packageName, userId); 20759 } 20760 } 20761 20762 @Override 20763 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20764 synchronized (mPackages) { 20765 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20766 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20767 packageName, userId); 20768 } 20769 } 20770 20771 @Override 20772 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20773 synchronized (mPackages) { 20774 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20775 packageName, userId); 20776 } 20777 } 20778 20779 @Override 20780 public void setKeepUninstalledPackages(final List<String> packageList) { 20781 Preconditions.checkNotNull(packageList); 20782 List<String> removedFromList = null; 20783 synchronized (mPackages) { 20784 if (mKeepUninstalledPackages != null) { 20785 final int packagesCount = mKeepUninstalledPackages.size(); 20786 for (int i = 0; i < packagesCount; i++) { 20787 String oldPackage = mKeepUninstalledPackages.get(i); 20788 if (packageList != null && packageList.contains(oldPackage)) { 20789 continue; 20790 } 20791 if (removedFromList == null) { 20792 removedFromList = new ArrayList<>(); 20793 } 20794 removedFromList.add(oldPackage); 20795 } 20796 } 20797 mKeepUninstalledPackages = new ArrayList<>(packageList); 20798 if (removedFromList != null) { 20799 final int removedCount = removedFromList.size(); 20800 for (int i = 0; i < removedCount; i++) { 20801 deletePackageIfUnusedLPr(removedFromList.get(i)); 20802 } 20803 } 20804 } 20805 } 20806 20807 @Override 20808 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20809 synchronized (mPackages) { 20810 // If we do not support permission review, done. 20811 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20812 return false; 20813 } 20814 20815 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20816 if (packageSetting == null) { 20817 return false; 20818 } 20819 20820 // Permission review applies only to apps not supporting the new permission model. 20821 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20822 return false; 20823 } 20824 20825 // Legacy apps have the permission and get user consent on launch. 20826 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20827 return permissionsState.isPermissionReviewRequired(userId); 20828 } 20829 } 20830 20831 @Override 20832 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20833 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20834 } 20835 20836 @Override 20837 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20838 int userId) { 20839 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20840 } 20841 20842 @Override 20843 public void setDeviceAndProfileOwnerPackages( 20844 int deviceOwnerUserId, String deviceOwnerPackage, 20845 SparseArray<String> profileOwnerPackages) { 20846 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20847 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20848 } 20849 20850 @Override 20851 public boolean isPackageDataProtected(int userId, String packageName) { 20852 return mProtectedPackages.isPackageDataProtected(userId, packageName); 20853 } 20854 } 20855 20856 @Override 20857 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20858 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20859 synchronized (mPackages) { 20860 final long identity = Binder.clearCallingIdentity(); 20861 try { 20862 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20863 packageNames, userId); 20864 } finally { 20865 Binder.restoreCallingIdentity(identity); 20866 } 20867 } 20868 } 20869 20870 private static void enforceSystemOrPhoneCaller(String tag) { 20871 int callingUid = Binder.getCallingUid(); 20872 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20873 throw new SecurityException( 20874 "Cannot call " + tag + " from UID " + callingUid); 20875 } 20876 } 20877 20878 boolean isHistoricalPackageUsageAvailable() { 20879 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20880 } 20881 20882 /** 20883 * Return a <b>copy</b> of the collection of packages known to the package manager. 20884 * @return A copy of the values of mPackages. 20885 */ 20886 Collection<PackageParser.Package> getPackages() { 20887 synchronized (mPackages) { 20888 return new ArrayList<>(mPackages.values()); 20889 } 20890 } 20891 20892 /** 20893 * Logs process start information (including base APK hash) to the security log. 20894 * @hide 20895 */ 20896 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20897 String apkFile, int pid) { 20898 if (!SecurityLog.isLoggingEnabled()) { 20899 return; 20900 } 20901 Bundle data = new Bundle(); 20902 data.putLong("startTimestamp", System.currentTimeMillis()); 20903 data.putString("processName", processName); 20904 data.putInt("uid", uid); 20905 data.putString("seinfo", seinfo); 20906 data.putString("apkFile", apkFile); 20907 data.putInt("pid", pid); 20908 Message msg = mProcessLoggingHandler.obtainMessage( 20909 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20910 msg.setData(data); 20911 mProcessLoggingHandler.sendMessage(msg); 20912 } 20913 20914 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 20915 return mCompilerStats.getPackageStats(pkgName); 20916 } 20917 20918 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 20919 return getOrCreateCompilerPackageStats(pkg.packageName); 20920 } 20921 20922 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 20923 return mCompilerStats.getOrCreatePackageStats(pkgName); 20924 } 20925 20926 public void deleteCompilerPackageStats(String pkgName) { 20927 mCompilerStats.deletePackageStats(pkgName); 20928 } 20929} 20930